configure: fix tests for 2-arg math functions
[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 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
89 Licensing options:
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
95
96 Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103
104 Component options:
105 --disable-doc do not build documentation
106 --disable-avconv disable avconv build
107 --disable-avplay disable avplay build
108 --disable-avprobe disable avprobe build
109 --disable-avserver disable avserver build
110 --disable-avdevice disable libavdevice build
111 --disable-avcodec disable libavcodec build
112 --disable-avformat disable libavformat build
113 --disable-swscale disable libswscale build
114 --disable-avfilter disable video filter support [no]
115 --disable-avresample disable libavresample build [no]
116 --disable-pthreads disable pthreads [auto]
117 --disable-w32threads disable Win32 threads [auto]
118 --enable-x11grab enable X11 grabbing [no]
119 --disable-network disable network support [no]
120 --disable-dct disable DCT code
121 --disable-dwt disable DWT code
122 --disable-lsp disable LSP code
123 --disable-lzo disable LZO decoder code
124 --disable-mdct disable MDCT code
125 --disable-rdft disable RDFT code
126 --disable-fft disable FFT code
127 --enable-dxva2 enable DXVA2 code
128 --enable-vaapi enable VAAPI code
129 --enable-vda enable VDA code
130 --enable-vdpau enable VDPAU code
131
132 Individual component options:
133 --disable-everything disable all components listed below
134 --disable-encoder=NAME disable encoder NAME
135 --enable-encoder=NAME enable encoder NAME
136 --disable-encoders disable all encoders
137 --disable-decoder=NAME disable decoder NAME
138 --enable-decoder=NAME enable decoder NAME
139 --disable-decoders disable all decoders
140 --disable-hwaccel=NAME disable hwaccel NAME
141 --enable-hwaccel=NAME enable hwaccel NAME
142 --disable-hwaccels disable all hwaccels
143 --disable-muxer=NAME disable muxer NAME
144 --enable-muxer=NAME enable muxer NAME
145 --disable-muxers disable all muxers
146 --disable-demuxer=NAME disable demuxer NAME
147 --enable-demuxer=NAME enable demuxer NAME
148 --disable-demuxers disable all demuxers
149 --enable-parser=NAME enable parser NAME
150 --disable-parser=NAME disable parser NAME
151 --disable-parsers disable all parsers
152 --enable-bsf=NAME enable bitstream filter NAME
153 --disable-bsf=NAME disable bitstream filter NAME
154 --disable-bsfs disable all bitstream filters
155 --enable-protocol=NAME enable protocol NAME
156 --disable-protocol=NAME disable protocol NAME
157 --disable-protocols disable all protocols
158 --enable-indev=NAME enable input device NAME
159 --disable-indev=NAME disable input device NAME
160 --disable-indevs disable input devices
161 --enable-outdev=NAME enable output device NAME
162 --disable-outdev=NAME disable output device NAME
163 --disable-outdevs disable output devices
164 --disable-devices disable all devices
165 --enable-filter=NAME enable filter NAME
166 --disable-filter=NAME disable filter NAME
167 --disable-filters disable all filters
168
169 External library support:
170 --enable-avisynth enable reading of AVISynth script files [no]
171 --enable-bzlib enable bzlib [autodetect]
172 --enable-frei0r enable frei0r video filtering
173 --enable-gnutls enable gnutls [no]
174 --enable-libcdio enable audio CD grabbing with libcdio
175 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
176 and libraw1394 [no]
177 --enable-libfaac enable AAC encoding via libfaac [no]
178 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
179 --enable-libfreetype enable libfreetype [no]
180 --enable-libgsm enable GSM de/encoding via libgsm [no]
181 --enable-libilbc enable iLBC de/encoding via libilbc [no]
182 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
183 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
184 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
185 --enable-libopencv enable video filtering via libopencv [no]
186 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
187 --enable-libopus enable Opus decoding via libopus [no]
188 --enable-libpulse enable Pulseaudio input via libpulse [no]
189 --enable-librtmp enable RTMP[E] support via librtmp [no]
190 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
191 --enable-libspeex enable Speex de/encoding via libspeex [no]
192 --enable-libtheora enable Theora encoding via libtheora [no]
193 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
194 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
195 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
196 --enable-libvpx enable VP8 de/encoding via libvpx [no]
197 --enable-libx264 enable H.264 encoding via x264 [no]
198 --enable-libxavs enable AVS encoding via xavs [no]
199 --enable-libxvid enable Xvid encoding via xvidcore,
200 native MPEG-4/Xvid encoder exists [no]
201 --enable-openssl enable openssl [no]
202 --enable-zlib enable zlib [autodetect]
203
204 Advanced options (experts only):
205 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
206 --enable-cross-compile assume a cross-compiler is used
207 --sysroot=PATH root of cross-build tree
208 --sysinclude=PATH location of cross-build system headers
209 --target-os=OS compiler targets OS [$target_os]
210 --target-exec=CMD command to run executables on target
211 --target-path=DIR path to view of build directory on target
212 --toolchain=NAME set tool defaults according to NAME
213 --nm=NM use nm tool
214 --ar=AR use archive tool AR [$ar_default]
215 --as=AS use assembler AS [$as_default]
216 --cc=CC use C compiler CC [$cc_default]
217 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
218 --ld=LD use linker LD
219 --host-cc=HOSTCC use host C compiler HOSTCC
220 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
221 --host-ld=HOSTLD use host linker HOSTLD
222 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
223 --host-libs=HLIBS use libs HLIBS when linking for host
224 --host-os=OS compiler host OS [$target_os]
225 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
226 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
227 --extra-libs=ELIBS add ELIBS [$ELIBS]
228 --extra-version=STRING version string suffix []
229 --optflags=OPTFLAGS override optimization-related compiler flags
230 --build-suffix=SUFFIX library name suffix []
231 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
232 --arch=ARCH select architecture [$arch]
233 --cpu=CPU select the minimum required CPU (affects
234 instruction selection, may crash on older CPUs)
235 --enable-pic build position-independent code
236 --enable-sram allow use of on-chip SRAM
237 --enable-thumb compile for Thumb instruction set
238 --disable-symver disable symbol versioning
239 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
240 --disable-safe-bitstream-reader
241 disable buffer boundary checking in bitreaders
242 (faster, but may crash)
243 --enable-memalign-hack emulate memalign, interferes with memory debuggers
244 --enable-lto use link-time optimization
245
246 Optimization options (experts only):
247 --disable-asm disable all assembler optimizations
248 --disable-altivec disable AltiVec optimizations
249 --disable-amd3dnow disable 3DNow! optimizations
250 --disable-amd3dnowext disable 3DNow! extended optimizations
251 --disable-mmx disable MMX optimizations
252 --disable-mmxext disable MMXEXT optimizations
253 --disable-sse disable SSE optimizations
254 --disable-sse2 disable SSE2 optimizations
255 --disable-sse3 disable SSE3 optimizations
256 --disable-ssse3 disable SSSE3 optimizations
257 --disable-sse4 disable SSE4 optimizations
258 --disable-sse42 disable SSE4.2 optimizations
259 --disable-avx disable AVX optimizations
260 --disable-fma4 disable FMA4 optimizations
261 --disable-armv5te disable armv5te optimizations
262 --disable-armv6 disable armv6 optimizations
263 --disable-armv6t2 disable armv6t2 optimizations
264 --disable-armvfp disable ARM VFP optimizations
265 --disable-neon disable NEON optimizations
266 --disable-vis disable VIS optimizations
267 --disable-inline-asm disable use of inline assembler
268 --disable-yasm disable use of yasm assembler
269
270 Developer options (useful when working on Libav itself):
271 --disable-debug disable debugging symbols
272 --enable-debug=LEVEL set the debug level [$debuglevel]
273 --disable-optimizations disable compiler optimizations
274 --enable-extra-warnings enable more compiler warnings
275 --samples=PATH location of test samples for FATE, if not set use
276 \$LIBAV_SAMPLES at make invocation time.
277 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
278 should be used only for debugging purposes)
279 --enable-random randomly enable/disable components
280 --disable-random
281 --enable-random=LIST randomly enable/disable specific components or
282 --disable-random=LIST component groups. LIST is a comma-separated list
283 of NAME[:PROB] entries where NAME is a component
284 (group) and PROB the probability associated with
285 NAME (default 0.5).
286 --random-seed=VALUE seed value for --enable/disable-random
287
288 NOTE: Object files are built at the place where configure is launched.
289 EOF
290 exit 0
291 }
292
293 quotes='""'
294
295 log(){
296 echo "$@" >> $logfile
297 }
298
299 log_file(){
300 log BEGIN $1
301 pr -n -t $1 >> $logfile
302 log END $1
303 }
304
305 echolog(){
306 log "$@"
307 echo "$@"
308 }
309
310 warn(){
311 log "WARNING: $*"
312 WARNINGS="${WARNINGS}WARNING: $*\n"
313 }
314
315 die(){
316 echolog "$@"
317 cat <<EOF
318
319 If you think configure made a mistake, make sure you are using the latest
320 version from Git. If the latest version fails, report the problem to the
321 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
322 EOF
323 if disabled logging; then
324 cat <<EOF
325 Rerun configure with logging enabled (do not use --disable-logging), and
326 include the log this produces with your report.
327 EOF
328 else
329 cat <<EOF
330 Include the log file "$logfile" produced by configure as this will help
331 solving the problem.
332 EOF
333 fi
334 exit 1
335 }
336
337 # Avoid locale weirdness, besides we really just want to translate ASCII.
338 toupper(){
339 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
340 }
341
342 tolower(){
343 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
344 }
345
346 c_escape(){
347 echo "$*" | sed 's/["\\]/\\\0/g'
348 }
349
350 sh_quote(){
351 v=$(echo "$1" | sed "s/'/'\\\\''/g")
352 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
353 echo "$v"
354 }
355
356 cleanws(){
357 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
358 }
359
360 filter(){
361 pat=$1
362 shift
363 for v; do
364 eval "case $v in $pat) echo $v ;; esac"
365 done
366 }
367
368 filter_out(){
369 pat=$1
370 shift
371 for v; do
372 eval "case $v in $pat) ;; *) echo $v ;; esac"
373 done
374 }
375
376 map(){
377 m=$1
378 shift
379 for v; do eval $m; done
380 }
381
382 add_suffix(){
383 suffix=$1
384 shift
385 for v; do echo ${v}${suffix}; done
386 }
387
388 set_all(){
389 value=$1
390 shift
391 for var in $*; do
392 eval $var=$value
393 done
394 }
395
396 set_weak(){
397 value=$1
398 shift
399 for var; do
400 eval : \${$var:=$value}
401 done
402 }
403
404 set_safe(){
405 var=$1
406 shift
407 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
408 }
409
410 get_safe(){
411 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
412 }
413
414 pushvar(){
415 for var in $*; do
416 eval level=\${${var}_level:=0}
417 eval ${var}_${level}="\$$var"
418 eval ${var}_level=$(($level+1))
419 done
420 }
421
422 popvar(){
423 for var in $*; do
424 eval level=\${${var}_level:-0}
425 test $level = 0 && continue
426 eval level=$(($level-1))
427 eval $var="\${${var}_${level}}"
428 eval ${var}_level=$level
429 eval unset ${var}_${level}
430 done
431 }
432
433 enable(){
434 set_all yes $*
435 }
436
437 disable(){
438 set_all no $*
439 }
440
441 enable_weak(){
442 set_weak yes $*
443 }
444
445 disable_weak(){
446 set_weak no $*
447 }
448
449 enable_safe(){
450 for var; do
451 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
452 done
453 }
454
455 disable_safe(){
456 for var; do
457 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
458 done
459 }
460
461 do_enable_deep(){
462 for var; do
463 enabled $var && continue
464 eval sel="\$${var}_select"
465 eval sgs="\$${var}_suggest"
466 pushvar var sgs
467 enable_deep $sel
468 popvar sgs
469 enable_deep_weak $sgs
470 popvar var
471 done
472 }
473
474 enable_deep(){
475 do_enable_deep $*
476 enable $*
477 }
478
479 enable_deep_weak(){
480 do_enable_deep $*
481 enable_weak $*
482 }
483
484 enabled(){
485 test "${1#!}" = "$1" && op== || op=!=
486 eval test "x\$${1#!}" $op "xyes"
487 }
488
489 disabled(){
490 test "${1#!}" = "$1" && op== || op=!=
491 eval test "x\$${1#!}" $op "xno"
492 }
493
494 enabled_all(){
495 for opt; do
496 enabled $opt || return 1
497 done
498 }
499
500 disabled_all(){
501 for opt; do
502 disabled $opt || return 1
503 done
504 }
505
506 enabled_any(){
507 for opt; do
508 enabled $opt && return 0
509 done
510 }
511
512 disabled_any(){
513 for opt; do
514 disabled $opt && return 0
515 done
516 return 1
517 }
518
519 set_default(){
520 for opt; do
521 eval : \${$opt:=\$${opt}_default}
522 done
523 }
524
525 is_in(){
526 value=$1
527 shift
528 for var in $*; do
529 [ $var = $value ] && return 0
530 done
531 return 1
532 }
533
534 check_deps(){
535 for cfg; do
536 cfg="${cfg#!}"
537 enabled ${cfg}_checking && die "Circular dependency for $cfg."
538 disabled ${cfg}_checking && continue
539 enable ${cfg}_checking
540
541 eval dep_all="\$${cfg}_deps"
542 eval dep_any="\$${cfg}_deps_any"
543 eval dep_sel="\$${cfg}_select"
544 eval dep_sgs="\$${cfg}_suggest"
545 eval dep_ifa="\$${cfg}_if"
546 eval dep_ifn="\$${cfg}_if_any"
547
548 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
549 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
550 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
551
552 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
553 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
554 enabled_all $dep_all || disable $cfg
555 enabled_any $dep_any || disable $cfg
556 disabled_any $dep_sel && disable $cfg
557
558 if enabled $cfg; then
559 eval dep_extralibs="\$${cfg}_extralibs"
560 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
561 enable_deep $dep_sel
562 enable_deep_weak $dep_sgs
563 fi
564
565 disable ${cfg}_checking
566 done
567 }
568
569 print_config_h(){
570 enabled $1 && v=1 || v=0
571 echo "#define $2 $v"
572 }
573
574 print_config_mak(){
575 enabled $1 && v= || v=!
576 echo "$v$2=yes"
577 }
578
579 print_config_asm(){
580 enabled $1 && v=1 || v=0
581 echo "%define $2 $v"
582 }
583
584 print_config(){
585 pfx=$1
586 files=$2
587 shift 2
588 for cfg; do
589 ucname="$(toupper $cfg)"
590 for f in $files; do
591 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
592 done
593 done
594 }
595
596 print_enabled(){
597 test x"$1" = x-n && end=" " && shift || end="\n"
598 suf=$1
599 shift
600 for v; do
601 enabled $v && printf "%s$end" ${v%$suf};
602 done
603 }
604
605 append(){
606 var=$1
607 shift
608 eval "$var=\"\$$var $*\""
609 }
610
611 prepend(){
612 var=$1
613 shift
614 eval "$var=\"$* \$$var\""
615 }
616
617 add_cppflags(){
618 append CPPFLAGS "$@"
619 }
620
621 add_cflags(){
622 append CFLAGS $($cflags_filter "$@")
623 }
624
625 add_asflags(){
626 append ASFLAGS $($asflags_filter "$@")
627 }
628
629 add_ldflags(){
630 append LDFLAGS $($ldflags_filter "$@")
631 }
632
633 add_extralibs(){
634 prepend extralibs $($ldflags_filter "$@")
635 }
636
637 add_host_cflags(){
638 append host_cflags $($host_cflags_filter "$@")
639 }
640
641 add_host_ldflags(){
642 append host_ldflags $($host_ldflags_filter "$@")
643 }
644
645 add_compat(){
646 append compat_objs $1
647 shift
648 map 'add_cppflags -D$v' "$@"
649 }
650
651 check_cmd(){
652 log "$@"
653 "$@" >> $logfile 2>&1
654 }
655
656 cc_o(){
657 eval printf '%s\\n' $CC_O
658 }
659
660 cc_e(){
661 eval printf '%s\\n' $CC_E
662 }
663
664 check_cc(){
665 log check_cc "$@"
666 cat > $TMPC
667 log_file $TMPC
668 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
669 }
670
671 check_cpp(){
672 log check_cpp "$@"
673 cat > $TMPC
674 log_file $TMPC
675 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
676 }
677
678 as_o(){
679 eval printf '%s\\n' $AS_O
680 }
681
682 check_as(){
683 log check_as "$@"
684 cat > $TMPC
685 log_file $TMPC
686 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
687 }
688
689 check_inline_asm(){
690 log check_inline_asm "$@"
691 name="$1"
692 code="$2"
693 shift 2
694 disable $name
695 check_as "$@" <<EOF && enable $name
696 void foo(void){ __asm__ volatile($code); }
697 EOF
698 }
699
700 check_yasm(){
701 log check_yasm "$@"
702 echo "$1" > $TMPS
703 log_file $TMPS
704 shift 1
705 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
706 }
707
708 ld_o(){
709 eval printf '%s\\n' $LD_O
710 }
711
712 check_ld(){
713 log check_ld "$@"
714 flags=$(filter_out '-l*' "$@")
715 libs=$(filter '-l*' "$@")
716 check_cc $($cflags_filter $flags) || return
717 flags=$($ldflags_filter $flags)
718 libs=$($ldflags_filter $libs)
719 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
720 }
721
722 check_code(){
723 log check_code "$@"
724 check=$1
725 headers=$2
726 code=$3
727 shift 3
728 {
729 for hdr in $headers; do
730 echo "#include <$hdr>"
731 done
732 echo "int main(void) { $code; return 0; }"
733 } | check_$check "$@"
734 }
735
736 check_cppflags(){
737 log check_cppflags "$@"
738 check_cc "$@" <<EOF && append CPPFLAGS "$@"
739 int x;
740 EOF
741 }
742
743 check_cflags(){
744 log check_cflags "$@"
745 set -- $($cflags_filter "$@")
746 check_cc "$@" <<EOF && append CFLAGS "$@"
747 int x;
748 EOF
749 }
750
751 test_ldflags(){
752 log test_ldflags "$@"
753 check_ld "$@" <<EOF
754 int main(void){ return 0; }
755 EOF
756 }
757
758 check_ldflags(){
759 log check_ldflags "$@"
760 test_ldflags "$@" && add_ldflags "$@"
761 }
762
763 check_header(){
764 log check_header "$@"
765 header=$1
766 shift
767 disable_safe $header
768 check_cpp "$@" <<EOF && enable_safe $header
769 #include <$header>
770 int x;
771 EOF
772 }
773
774 check_func(){
775 log check_func "$@"
776 func=$1
777 shift
778 disable $func
779 check_ld "$@" <<EOF && enable $func
780 extern int $func();
781 int main(void){ $func(); }
782 EOF
783 }
784
785 check_mathfunc(){
786 log check_mathfunc "$@"
787 func=$1
788 narg=$2
789 shift 2
790 test $narg = 2 && args="f, g" || args="f"
791 disable $func
792 check_ld "$@" <<EOF && enable $func
793 #include <math.h>
794 float foo(float f, float g) { return $func($args); }
795 int main(void){ return 0; }
796 EOF
797 }
798
799 check_func_headers(){
800 log check_func_headers "$@"
801 headers=$1
802 funcs=$2
803 shift 2
804 {
805 for hdr in $headers; do
806 echo "#include <$hdr>"
807 done
808 for func in $funcs; do
809 echo "long check_$func(void) { return (long) $func; }"
810 done
811 echo "int main(void) { return 0; }"
812 } | check_ld "$@" && enable $funcs && enable_safe $headers
813 }
814
815 check_cpp_condition(){
816 log check_cpp_condition "$@"
817 header=$1
818 condition=$2
819 shift 2
820 check_cpp "$@" <<EOF
821 #include <$header>
822 #if !($condition)
823 #error "unsatisfied condition: $condition"
824 #endif
825 EOF
826 }
827
828 check_lib(){
829 log check_lib "$@"
830 header="$1"
831 func="$2"
832 shift 2
833 check_header $header && check_func $func "$@" && add_extralibs "$@"
834 }
835
836 check_lib2(){
837 log check_lib2 "$@"
838 headers="$1"
839 funcs="$2"
840 shift 2
841 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
842 }
843
844 check_pkg_config(){
845 log check_pkg_config "$@"
846 pkg="$1"
847 headers="$2"
848 funcs="$3"
849 shift 3
850 $pkg_config --exists $pkg || return
851 pkg_cflags=$($pkg_config --cflags $pkg)
852 pkg_libs=$($pkg_config --libs $pkg)
853 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
854 set_safe ${pkg}_cflags $pkg_cflags &&
855 set_safe ${pkg}_libs $pkg_libs
856 }
857
858 check_exec(){
859 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
860 }
861
862 check_exec_crash(){
863 code=$(cat)
864
865 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
866 # are safe but may not be available everywhere. Thus we use
867 # raise(SIGTERM) instead. The check is run in a subshell so we
868 # can redirect the "Terminated" message from the shell. SIGBUS
869 # is not defined by standard C so it is used conditionally.
870
871 (check_exec "$@") >> $logfile 2>&1 <<EOF
872 #include <signal.h>
873 static void sighandler(int sig){
874 raise(SIGTERM);
875 }
876 int foo(void){
877 $code
878 }
879 int main(void){
880 signal(SIGILL, sighandler);
881 signal(SIGFPE, sighandler);
882 signal(SIGSEGV, sighandler);
883 #ifdef SIGBUS
884 signal(SIGBUS, sighandler);
885 #endif
886 foo();
887 }
888 EOF
889 }
890
891 check_type(){
892 log check_type "$@"
893 headers=$1
894 type=$2
895 shift 2
896 disable_safe "$type"
897 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
898 }
899
900 check_struct(){
901 log check_type "$@"
902 headers=$1
903 struct=$2
904 member=$3
905 shift 3
906 disable_safe "${struct}_${member}"
907 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
908 enable_safe "${struct}_${member}"
909 }
910
911 require(){
912 name="$1"
913 header="$2"
914 func="$3"
915 shift 3
916 check_lib $header $func "$@" || die "ERROR: $name not found"
917 }
918
919 require2(){
920 name="$1"
921 headers="$2"
922 func="$3"
923 shift 3
924 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
925 }
926
927 require_pkg_config(){
928 pkg="$1"
929 check_pkg_config "$@" || die "ERROR: $pkg not found"
930 add_cflags $(get_safe ${pkg}_cflags)
931 add_extralibs $(get_safe ${pkg}_libs)
932 }
933
934 hostcc_o(){
935 eval printf '%s\\n' $HOSTCC_O
936 }
937
938 check_host_cc(){
939 log check_host_cc "$@"
940 cat > $TMPC
941 log_file $TMPC
942 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
943 }
944
945 check_host_cflags(){
946 log check_host_cflags "$@"
947 set -- $($host_cflags_filter "$@")
948 check_host_cc "$@" <<EOF && append host_cflags "$@"
949 int x;
950 EOF
951 }
952
953 apply(){
954 file=$1
955 shift
956 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
957 }
958
959 cp_if_changed(){
960 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
961 mkdir -p "$(dirname $2)"
962 $cp_f "$1" "$2"
963 }
964
965 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
966 # system-dependent things.
967
968 COMPONENT_LIST="
969 bsfs
970 decoders
971 demuxers
972 encoders
973 filters
974 hwaccels
975 indevs
976 muxers
977 outdevs
978 parsers
979 protocols
980 "
981
982 PROGRAM_LIST="
983 avconv
984 avplay
985 avprobe
986 avserver
987 "
988
989 CONFIG_LIST="
990 $COMPONENT_LIST
991 $PROGRAM_LIST
992 avcodec
993 avdevice
994 avfilter
995 avformat
996 avresample
997 avisynth
998 bzlib
999 dct
1000 doc
1001 dwt
1002 dxva2
1003 fft
1004 frei0r
1005 gnutls
1006 gpl
1007 gray
1008 hardcoded_tables
1009 libcdio
1010 libdc1394
1011 libfaac
1012 libfdk_aac
1013 libfreetype
1014 libgsm
1015 libilbc
1016 libmp3lame
1017 libopencore_amrnb
1018 libopencore_amrwb
1019 libopencv
1020 libopenjpeg
1021 libopus
1022 libpulse
1023 librtmp
1024 libschroedinger
1025 libspeex
1026 libtheora
1027 libvo_aacenc
1028 libvo_amrwbenc
1029 libvorbis
1030 libvpx
1031 libx264
1032 libxavs
1033 libxvid
1034 lsp
1035 lzo
1036 mdct
1037 memalign_hack
1038 network
1039 nonfree
1040 openssl
1041 pic
1042 rdft
1043 runtime_cpudetect
1044 safe_bitstream_reader
1045 shared
1046 small
1047 sram
1048 static
1049 swscale
1050 swscale_alpha
1051 thumb
1052 vaapi
1053 vda
1054 vdpau
1055 version3
1056 xmm_clobber_test
1057 x11grab
1058 zlib
1059 "
1060
1061 THREADS_LIST='
1062 pthreads
1063 w32threads
1064 '
1065
1066 ARCH_LIST='
1067 alpha
1068 arm
1069 avr32
1070 avr32_ap
1071 avr32_uc
1072 bfin
1073 ia64
1074 m68k
1075 mips
1076 mips64
1077 parisc
1078 ppc
1079 ppc64
1080 s390
1081 sh4
1082 sparc
1083 sparc64
1084 tilegx
1085 tilepro
1086 tomi
1087 x86
1088 x86_32
1089 x86_64
1090 '
1091
1092 ARCH_EXT_LIST_X86='
1093 amd3dnow
1094 amd3dnowext
1095 avx
1096 fma4
1097 mmx
1098 mmxext
1099 sse
1100 sse2
1101 sse3
1102 sse4
1103 sse42
1104 ssse3
1105 '
1106
1107 ARCH_EXT_LIST="
1108 $ARCH_EXT_LIST_X86
1109 altivec
1110 armv5te
1111 armv6
1112 armv6t2
1113 armvfp
1114 neon
1115 ppc4xx
1116 vfpv3
1117 vis
1118 "
1119
1120 HAVE_LIST_CMDLINE='
1121 inline_asm
1122 symver
1123 yasm
1124 '
1125
1126 HAVE_LIST_PUB='
1127 bigendian
1128 fast_unaligned
1129 '
1130
1131 MATH_FUNCS="
1132 atanf
1133 atan2f
1134 cbrtf
1135 cosf
1136 exp2
1137 exp2f
1138 expf
1139 isinf
1140 isnan
1141 ldexpf
1142 llrint
1143 llrintf
1144 log2
1145 log2f
1146 log10f
1147 lrint
1148 lrintf
1149 powf
1150 rint
1151 round
1152 roundf
1153 sinf
1154 trunc
1155 truncf
1156 "
1157
1158 HAVE_LIST="
1159 $ARCH_EXT_LIST
1160 $(add_suffix _external $ARCH_EXT_LIST)
1161 $(add_suffix _inline $ARCH_EXT_LIST)
1162 $HAVE_LIST_CMDLINE
1163 $HAVE_LIST_PUB
1164 $THREADS_LIST
1165 $MATH_FUNCS
1166 aligned_malloc
1167 aligned_stack
1168 alsa_asoundlib_h
1169 altivec_h
1170 arpa_inet_h
1171 asm_mod_q
1172 asm_mod_y
1173 attribute_may_alias
1174 attribute_packed
1175 closesocket
1176 cmov
1177 cpunop
1178 CryptGenRandom
1179 dcbzl
1180 dev_bktr_ioctl_bt848_h
1181 dev_bktr_ioctl_meteor_h
1182 dev_ic_bt8xx_h
1183 dev_video_bktr_ioctl_bt848_h
1184 dev_video_meteor_ioctl_meteor_h
1185 direct_h
1186 dlfcn_h
1187 dlopen
1188 dos_paths
1189 dxva_h
1190 ebp_available
1191 ebx_available
1192 fast_64bit
1193 fast_clz
1194 fast_cmov
1195 fcntl
1196 fork
1197 getaddrinfo
1198 gethrtime
1199 getopt
1200 GetProcessAffinityMask
1201 GetProcessMemoryInfo
1202 GetProcessTimes
1203 GetSystemTimeAsFileTime
1204 getrusage
1205 getservbyport
1206 gettimeofday
1207 gnu_as
1208 ibm_asm
1209 inet_aton
1210 io_h
1211 isatty
1212 jack_port_get_latency_range
1213 ldbrx
1214 libdc1394_1
1215 libdc1394_2
1216 local_aligned_16
1217 local_aligned_8
1218 localtime_r
1219 loongson
1220 machine_ioctl_bt848_h
1221 machine_ioctl_meteor_h
1222 malloc_h
1223 MapViewOfFile
1224 memalign
1225 mkstemp
1226 mm_empty
1227 mmap
1228 mprotect
1229 msvcrt
1230 nanosleep
1231 poll_h
1232 posix_memalign
1233 rdtsc
1234 sched_getaffinity
1235 sdl
1236 sdl_video_size
1237 setmode
1238 setrlimit
1239 Sleep
1240 sndio_h
1241 socklen_t
1242 soundcard_h
1243 strerror_r
1244 strptime
1245 strtok_r
1246 struct_addrinfo
1247 struct_group_source_req
1248 struct_ip_mreq_source
1249 struct_ipv6_mreq
1250 struct_pollfd
1251 struct_rusage_ru_maxrss
1252 struct_sockaddr_in6
1253 struct_sockaddr_sa_len
1254 struct_sockaddr_storage
1255 struct_v4l2_frmivalenum_discrete
1256 symver_asm_label
1257 symver_gnu_asm
1258 sysconf
1259 sysctl
1260 sys_mman_h
1261 sys_param_h
1262 sys_resource_h
1263 sys_select_h
1264 sys_soundcard_h
1265 sys_time_h
1266 sys_videoio_h
1267 threads
1268 unistd_h
1269 usleep
1270 vfp_args
1271 VirtualAlloc
1272 windows_h
1273 winsock2_h
1274 xform_asm
1275 xmm_clobbers
1276 "
1277
1278 # options emitted with CONFIG_ prefix but not available on command line
1279 CONFIG_EXTRA="
1280 aandcttables
1281 ac3dsp
1282 avutil
1283 error_resilience
1284 gcrypt
1285 golomb
1286 gplv3
1287 h264chroma
1288 h264dsp
1289 h264pred
1290 h264qpel
1291 huffman
1292 lgplv3
1293 lpc
1294 mpegaudio
1295 mpegaudiodsp
1296 mpegvideo
1297 mpegvideoenc
1298 nettle
1299 rangecoder
1300 rtpdec
1301 sinewin
1302 vp3dsp
1303 "
1304
1305 CMDLINE_SELECT="
1306 $ARCH_EXT_LIST
1307 $CONFIG_LIST
1308 $HAVE_LIST_CMDLINE
1309 $THREADS_LIST
1310 asm
1311 cross_compile
1312 debug
1313 extra_warnings
1314 logging
1315 lto
1316 optimizations
1317 "
1318
1319 PATHS_LIST='
1320 bindir
1321 datadir
1322 incdir
1323 libdir
1324 mandir
1325 prefix
1326 shlibdir
1327 '
1328
1329 CMDLINE_SET="
1330 $PATHS_LIST
1331 ar
1332 arch
1333 as
1334 build_suffix
1335 cc
1336 cpu
1337 cross_prefix
1338 dep_cc
1339 extra_version
1340 host_cc
1341 host_cflags
1342 host_ld
1343 host_ldflags
1344 host_libs
1345 host_os
1346 ld
1347 logfile
1348 malloc_prefix
1349 nm
1350 optflags
1351 pkg_config
1352 random_seed
1353 samples
1354 sysinclude
1355 sysroot
1356 target_exec
1357 target_os
1358 target_path
1359 toolchain
1360 "
1361
1362 CMDLINE_APPEND="
1363 extra_cflags
1364 "
1365
1366 # code dependency declarations
1367
1368 # architecture extensions
1369
1370 armv5te_deps="arm"
1371 armv6_deps="arm"
1372 armv6t2_deps="arm"
1373 armvfp_deps="arm"
1374 neon_deps="arm"
1375 vfpv3_deps="armvfp"
1376
1377 altivec_deps="ppc"
1378 ppc4xx_deps="ppc"
1379
1380 vis_deps="sparc"
1381
1382 x86_64_suggest="cmov fast_cmov"
1383
1384 amd3dnow_deps="mmx"
1385 amd3dnowext_deps="amd3dnow"
1386 mmx_deps="x86"
1387 mmxext_deps="mmx"
1388 sse_deps="mmxext"
1389 sse2_deps="sse"
1390 sse3_deps="sse2"
1391 ssse3_deps="sse3"
1392 sse4_deps="ssse3"
1393 sse42_deps="sse4"
1394 avx_deps="sse42"
1395 fma4_deps="avx"
1396
1397 mmx_external_deps="yasm"
1398 mmx_inline_deps="inline_asm"
1399 mmx_suggest="mmx_external mmx_inline"
1400
1401 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1402 eval dep=\$${ext}_deps
1403 eval ${ext}_external_deps='"${dep}_external"'
1404 eval ${ext}_inline_deps='"${dep}_inline"'
1405 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1406 done
1407
1408 aligned_stack_if_any="ppc x86"
1409 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1410 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1411 fast_unaligned_if_any="armv6 ppc x86"
1412
1413 inline_asm_deps="!tms470"
1414 need_memalign="altivec neon sse"
1415
1416 symver_if_any="symver_asm_label symver_gnu_asm"
1417
1418 log2_deps="!msvcrt"
1419
1420 # subsystems
1421 dct_select="rdft"
1422 mdct_select="fft"
1423 rdft_select="fft"
1424 mpegaudio_select="mpegaudiodsp"
1425 mpegaudiodsp_select="dct"
1426 mpegvideoenc_select="mpegvideo"
1427
1428 # decoders / encoders / hardware accelerators
1429 aac_decoder_select="mdct sinewin"
1430 aac_encoder_select="mdct sinewin"
1431 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1432 ac3_decoder_select="mdct ac3dsp ac3_parser"
1433 ac3_encoder_select="mdct ac3dsp"
1434 ac3_fixed_encoder_select="mdct ac3dsp"
1435 alac_encoder_select="lpc"
1436 amrnb_decoder_select="lsp"
1437 amrwb_decoder_select="lsp"
1438 atrac1_decoder_select="mdct sinewin"
1439 atrac3_decoder_select="mdct"
1440 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1441 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1442 cavs_decoder_select="golomb mpegvideo"
1443 cook_decoder_select="mdct sinewin"
1444 cscd_decoder_select="lzo"
1445 cscd_decoder_suggest="zlib"
1446 dca_decoder_select="mdct"
1447 dnxhd_encoder_select="aandcttables mpegvideoenc"
1448 dxa_decoder_select="zlib"
1449 eac3_decoder_select="ac3_decoder"
1450 eac3_encoder_select="ac3_encoder"
1451 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1452 eatgq_decoder_select="aandcttables"
1453 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1454 ffv1_decoder_select="golomb rangecoder"
1455 ffv1_encoder_select="rangecoder"
1456 ffvhuff_encoder_select="huffman"
1457 flac_decoder_select="golomb"
1458 flac_encoder_select="golomb lpc"
1459 flashsv_decoder_select="zlib"
1460 flashsv_encoder_select="zlib"
1461 flashsv2_decoder_select="zlib"
1462 flv_decoder_select="h263_decoder"
1463 flv_encoder_select="h263_encoder"
1464 fraps_decoder_select="huffman"
1465 h261_decoder_select="error_resilience mpegvideo"
1466 h261_encoder_select="aandcttables mpegvideoenc"
1467 h263_decoder_select="error_resilience h263_parser mpegvideo"
1468 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1469 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1470 h263i_decoder_select="h263_decoder"
1471 h263p_encoder_select="h263_encoder"
1472 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1473 h264_dxva2_hwaccel_deps="dxva2api_h"
1474 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1475 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1476 h264_vda_hwaccel_select="vda h264_decoder"
1477 h264_vdpau_decoder_select="vdpau h264_decoder"
1478 huffyuv_encoder_select="huffman"
1479 iac_decoder_select="fft mdct sinewin"
1480 imc_decoder_select="fft mdct sinewin"
1481 jpegls_decoder_select="golomb"
1482 jpegls_encoder_select="golomb"
1483 ljpeg_encoder_select="aandcttables mpegvideoenc"
1484 loco_decoder_select="golomb"
1485 mdec_decoder_select="error_resilience mpegvideo"
1486 mjpeg_encoder_select="aandcttables mpegvideoenc"
1487 mlp_decoder_select="mlp_parser"
1488 mp1_decoder_select="mpegaudio"
1489 mp1float_decoder_select="mpegaudio"
1490 mp2_decoder_select="mpegaudio"
1491 mp2float_decoder_select="mpegaudio"
1492 mp3_decoder_select="mpegaudio"
1493 mp3adu_decoder_select="mpegaudio"
1494 mp3adufloat_decoder_select="mpegaudio"
1495 mp3float_decoder_select="mpegaudio"
1496 mp3on4_decoder_select="mpegaudio"
1497 mp3on4float_decoder_select="mpegaudio"
1498 mpc7_decoder_select="mpegaudiodsp"
1499 mpc8_decoder_select="mpegaudiodsp"
1500 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1501 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1502 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1503 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1504 mpeg1video_decoder_select="error_resilience mpegvideo"
1505 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1506 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1507 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1508 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1509 mpeg2video_decoder_select="error_resilience mpegvideo"
1510 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1511 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1512 mpeg4_encoder_select="h263_encoder"
1513 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1514 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1515 msmpeg4v1_decoder_select="h263_decoder"
1516 msmpeg4v1_encoder_select="h263_encoder"
1517 msmpeg4v2_decoder_select="h263_decoder"
1518 msmpeg4v2_encoder_select="h263_encoder"
1519 msmpeg4v3_decoder_select="h263_decoder"
1520 msmpeg4v3_encoder_select="h263_encoder"
1521 mss2_decoder_select="vc1_decoder"
1522 nellymoser_decoder_select="mdct sinewin"
1523 nellymoser_encoder_select="mdct sinewin"
1524 nuv_decoder_select="lzo"
1525 png_decoder_select="zlib"
1526 png_encoder_select="zlib"
1527 qcelp_decoder_select="lsp"
1528 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1529 ra_144_encoder_select="lpc"
1530 ralf_decoder_select="golomb"
1531 rv10_decoder_select="h263_decoder"
1532 rv10_encoder_select="h263_encoder"
1533 rv20_decoder_select="h263_decoder"
1534 rv20_encoder_select="h263_encoder"
1535 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1536 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1537 shorten_decoder_select="golomb"
1538 sipr_decoder_select="lsp"
1539 snow_decoder_select="dwt rangecoder"
1540 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1541 svq1_decoder_select="error_resilience mpegvideo"
1542 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1543 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1544 svq3_decoder_suggest="zlib"
1545 theora_decoder_select="vp3_decoder"
1546 tiff_decoder_suggest="zlib"
1547 tiff_encoder_suggest="zlib"
1548 truehd_decoder_select="mlp_decoder"
1549 tscc_decoder_select="zlib"
1550 twinvq_decoder_select="mdct lsp sinewin"
1551 utvideo_encoder_select="huffman"
1552 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1553 vc1_dxva2_hwaccel_deps="dxva2api_h"
1554 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1555 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1556 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1557 vc1image_decoder_select="vc1_decoder"
1558 vorbis_decoder_select="mdct"
1559 vorbis_encoder_select="mdct"
1560 vp3_decoder_select="vp3dsp"
1561 vp5_decoder_select="vp3dsp"
1562 vp6_decoder_select="huffman vp3dsp"
1563 vp6a_decoder_select="vp6_decoder"
1564 vp6f_decoder_select="vp6_decoder"
1565 vp8_decoder_select="h264pred h264qpel"
1566 wmapro_decoder_select="mdct sinewin"
1567 wmav1_decoder_select="mdct sinewin"
1568 wmav1_encoder_select="mdct sinewin"
1569 wmav2_decoder_select="mdct sinewin"
1570 wmav2_encoder_select="mdct sinewin"
1571 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1572 wmv1_decoder_select="h263_decoder"
1573 wmv1_encoder_select="h263_encoder"
1574 wmv2_decoder_select="h263_decoder"
1575 wmv2_encoder_select="h263_encoder"
1576 wmv3_decoder_select="vc1_decoder"
1577 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1578 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1579 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1580 wmv3image_decoder_select="wmv3_decoder"
1581 zerocodec_decoder_select="zlib"
1582 zlib_decoder_select="zlib"
1583 zlib_encoder_select="zlib"
1584 zmbv_decoder_select="zlib"
1585 zmbv_encoder_select="zlib"
1586
1587 vaapi_deps="va_va_h"
1588 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1589 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1590
1591 # parsers
1592 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1593 mpeg4video_parser_select="error_resilience mpegvideo"
1594 mpegvideo_parser_select="error_resilience mpegvideo"
1595 vc1_parser_select="error_resilience mpegvideo"
1596
1597 # external libraries
1598 libfaac_encoder_deps="libfaac"
1599 libfdk_aac_encoder_deps="libfdk_aac"
1600 libgsm_decoder_deps="libgsm"
1601 libgsm_encoder_deps="libgsm"
1602 libgsm_ms_decoder_deps="libgsm"
1603 libgsm_ms_encoder_deps="libgsm"
1604 libilbc_decoder_deps="libilbc"
1605 libilbc_encoder_deps="libilbc"
1606 libmp3lame_encoder_deps="libmp3lame"
1607 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1608 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1609 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1610 libopenjpeg_decoder_deps="libopenjpeg"
1611 libopenjpeg_encoder_deps="libopenjpeg"
1612 libopus_decoder_deps="libopus"
1613 libopus_encoder_deps="libopus"
1614 libschroedinger_decoder_deps="libschroedinger"
1615 libschroedinger_encoder_deps="libschroedinger"
1616 libspeex_decoder_deps="libspeex"
1617 libspeex_encoder_deps="libspeex"
1618 libtheora_encoder_deps="libtheora"
1619 libvo_aacenc_encoder_deps="libvo_aacenc"
1620 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1621 libvorbis_encoder_deps="libvorbis"
1622 libvpx_decoder_deps="libvpx"
1623 libvpx_encoder_deps="libvpx"
1624 libx264_encoder_deps="libx264"
1625 libxavs_encoder_deps="libxavs"
1626 libxvid_encoder_deps="libxvid"
1627
1628 # demuxers / muxers
1629 ac3_demuxer_select="ac3_parser"
1630 asf_stream_muxer_select="asf_muxer"
1631 avisynth_demuxer_deps="avisynth"
1632 dirac_demuxer_select="dirac_parser"
1633 eac3_demuxer_select="ac3_parser"
1634 flac_demuxer_select="flac_parser"
1635 ipod_muxer_select="mov_muxer"
1636 matroska_audio_muxer_select="matroska_muxer"
1637 matroska_demuxer_suggest="bzlib lzo zlib"
1638 mov_demuxer_suggest="zlib"
1639 mp3_demuxer_select="mpegaudio_parser"
1640 mp4_muxer_select="mov_muxer"
1641 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1642 mpegtsraw_demuxer_select="mpegts_demuxer"
1643 mxf_d10_muxer_select="mxf_muxer"
1644 ogg_demuxer_select="golomb"
1645 psp_muxer_select="mov_muxer"
1646 rtp_demuxer_select="sdp_demuxer"
1647 rtp_muxer_select="mpegvideo"
1648 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1649 rtsp_demuxer_select="http_protocol rtpdec"
1650 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1651 sap_demuxer_select="sdp_demuxer"
1652 sap_muxer_select="rtp_muxer rtp_protocol"
1653 sdp_demuxer_select="rtpdec"
1654 smoothstreaming_muxer_select="ismv_muxer"
1655 spdif_muxer_select="aac_parser"
1656 tg2_muxer_select="mov_muxer"
1657 tgp_muxer_select="mov_muxer"
1658 w64_demuxer_deps="wav_demuxer"
1659
1660 # indevs / outdevs
1661 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1662 alsa_outdev_deps="alsa_asoundlib_h"
1663 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1664 dv1394_indev_deps="dv1394 dv_demuxer"
1665 fbdev_indev_deps="linux_fb_h"
1666 jack_indev_deps="jack_jack_h"
1667 libcdio_indev_deps="libcdio"
1668 libdc1394_indev_deps="libdc1394"
1669 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1670 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1671 pulse_indev_deps="libpulse"
1672 sndio_indev_deps="sndio_h"
1673 sndio_outdev_deps="sndio_h"
1674 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1675 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1676 vfwcap_indev_extralibs="-lavicap32"
1677 x11grab_indev_deps="x11grab XShmCreateImage"
1678
1679 # protocols
1680 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1681 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1682 ffrtmpcrypt_protocol_select="tcp_protocol"
1683 ffrtmphttp_protocol_deps="!librtmp_protocol"
1684 ffrtmphttp_protocol_select="http_protocol"
1685 gopher_protocol_deps="network"
1686 httpproxy_protocol_deps="network"
1687 httpproxy_protocol_select="tcp_protocol"
1688 http_protocol_deps="network"
1689 http_protocol_select="tcp_protocol"
1690 https_protocol_select="tls_protocol"
1691 librtmp_protocol_deps="librtmp"
1692 librtmpe_protocol_deps="librtmp"
1693 librtmps_protocol_deps="librtmp"
1694 librtmpt_protocol_deps="librtmp"
1695 librtmpte_protocol_deps="librtmp"
1696 mmsh_protocol_select="http_protocol"
1697 mmst_protocol_deps="network"
1698 rtmp_protocol_deps="!librtmp_protocol"
1699 rtmp_protocol_select="tcp_protocol"
1700 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1701 rtmps_protocol_deps="!librtmp_protocol"
1702 rtmps_protocol_select="tls_protocol"
1703 rtmpt_protocol_select="ffrtmphttp_protocol"
1704 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1705 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1706 rtp_protocol_select="udp_protocol"
1707 sctp_protocol_deps="network struct_sctp_event_subscribe"
1708 tcp_protocol_deps="network"
1709 tls_protocol_deps_any="openssl gnutls"
1710 tls_protocol_select="tcp_protocol"
1711 udp_protocol_deps="network"
1712
1713 # filters
1714 blackframe_filter_deps="gpl"
1715 boxblur_filter_deps="gpl"
1716 cropdetect_filter_deps="gpl"
1717 delogo_filter_deps="gpl"
1718 drawtext_filter_deps="libfreetype"
1719 frei0r_filter_deps="frei0r dlopen strtok_r"
1720 frei0r_filter_extralibs='$ldl'
1721 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1722 frei0r_src_filter_extralibs='$ldl'
1723 hqdn3d_filter_deps="gpl"
1724 resample_filter_deps="avresample"
1725 ocv_filter_deps="libopencv"
1726 scale_filter_deps="swscale"
1727 yadif_filter_deps="gpl"
1728
1729 # libraries
1730 avdevice_deps="avcodec avformat"
1731 avformat_deps="avcodec"
1732
1733 # programs
1734 avconv_deps="avcodec avfilter avformat avresample swscale
1735 aformat_filter asyncts_filter
1736 format_filter fps_filter scale_filter setpts_filter"
1737 avplay_deps="avcodec avformat swscale sdl"
1738 avplay_select="rdft"
1739 avprobe_deps="avcodec avformat"
1740 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1741 avserver_extralibs='$ldl'
1742
1743 doc_deps="texi2html"
1744
1745 # default parameters
1746
1747 logfile="config.log"
1748
1749 # installation paths
1750 prefix_default="/usr/local"
1751 bindir_default='${prefix}/bin'
1752 datadir_default='${prefix}/share/avconv'
1753 incdir_default='${prefix}/include'
1754 libdir_default='${prefix}/lib'
1755 mandir_default='${prefix}/share/man'
1756 shlibdir_default="$libdir_default"
1757
1758 # toolchain
1759 ar_default="ar"
1760 cc_default="gcc"
1761 host_cc_default="gcc"
1762 cp_f="cp -f"
1763 ln_s="ln -sf"
1764 nm_default="nm -g"
1765 objformat="elf"
1766 pkg_config_default=pkg-config
1767 ranlib="ranlib"
1768 yasmexe="yasm"
1769
1770 nogas=":"
1771
1772 # machine
1773 arch_default=$(uname -m)
1774 cpu="generic"
1775
1776 # OS
1777 target_os_default=$(tolower $(uname -s))
1778 host_os=$target_os_default
1779
1780 # configurable options
1781 enable $PROGRAM_LIST
1782
1783 enable avcodec
1784 enable avdevice
1785 enable avfilter
1786 enable avformat
1787 enable avresample
1788 enable avutil
1789 enable swscale
1790
1791 enable asm
1792 enable debug
1793 enable doc
1794 enable network
1795 enable optimizations
1796 enable safe_bitstream_reader
1797 enable static
1798 enable swscale_alpha
1799
1800 # build settings
1801 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1802 AVSERVERLDFLAGS=-Wl,-E
1803 LIBPREF="lib"
1804 LIBSUF=".a"
1805 FULLNAME='$(NAME)$(BUILDSUF)'
1806 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1807 SLIBPREF="lib"
1808 SLIBSUF=".so"
1809 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1810 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1811 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1812 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1813 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1814 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1815
1816 asflags_filter=echo
1817 cflags_filter=echo
1818 ldflags_filter=echo
1819
1820 AS_C='-c'
1821 AS_O='-o $@'
1822 CC_C='-c'
1823 CC_E='-E -o $@'
1824 CC_O='-o $@'
1825 LD_O='-o $@'
1826 LD_LIB='-l%'
1827 LD_PATH='-L'
1828 HOSTCC_C='-c'
1829 HOSTCC_O='-o $@'
1830 HOSTLD_O='-o $@'
1831
1832 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1833 host_libs='-lm'
1834 host_cflags_filter=echo
1835 host_ldflags_filter=echo
1836
1837 target_path='$(CURDIR)'
1838
1839 # since the object filename is not given with the -MM flag, the compiler
1840 # is only able to print the basename, and we must add the path ourselves
1841 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1842 DEPFLAGS='-MM'
1843
1844 # find source path
1845 if test -f configure; then
1846 source_path=.
1847 else
1848 source_path=$(cd $(dirname "$0"); pwd)
1849 echo "$source_path" | grep -q '[[:blank:]]' &&
1850 die "Out of tree builds are impossible with whitespace in source path."
1851 test -e "$source_path/config.h" &&
1852 die "Out of tree builds are impossible with config.h in source dir."
1853 fi
1854
1855 for v in "$@"; do
1856 r=${v#*=}
1857 l=${v%"$r"}
1858 r=$(sh_quote "$r")
1859 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1860 done
1861
1862 find_things(){
1863 thing=$1
1864 pattern=$2
1865 file=$source_path/$3
1866 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1867 }
1868
1869 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1870 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1871 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1872 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1873 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1874 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1875 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1876 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1877 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1878 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1879 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1880
1881 ALL_COMPONENTS="
1882 $BSF_LIST
1883 $DECODER_LIST
1884 $DEMUXER_LIST
1885 $ENCODER_LIST
1886 $FILTER_LIST
1887 $HWACCEL_LIST
1888 $INDEV_LIST
1889 $MUXER_LIST
1890 $OUTDEV_LIST
1891 $PARSER_LIST
1892 $PROTOCOL_LIST
1893 "
1894
1895 for n in $COMPONENT_LIST; do
1896 v=$(toupper ${n%s})_LIST
1897 eval enable \$$v
1898 eval ${n}_if_any="\$$v"
1899 done
1900
1901 disable snow_decoder snow_encoder
1902
1903 enable $ARCH_EXT_LIST
1904
1905 die_unknown(){
1906 echo "Unknown option \"$1\"."
1907 echo "See $0 --help for available options."
1908 exit 1
1909 }
1910
1911 show_list() {
1912 suffix=_$1
1913 shift
1914 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1915 exit 0
1916 }
1917
1918 rand_list(){
1919 IFS=', '
1920 set -- $*
1921 unset IFS
1922 for thing; do
1923 comp=${thing%:*}
1924 prob=${thing#$comp}
1925 prob=${prob#:}
1926 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1927 echo "prob ${prob:-0.5}"
1928 printf '%s\n' $comp
1929 done
1930 }
1931
1932 do_random(){
1933 action=$1
1934 shift
1935 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1936 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1937 }
1938
1939 for opt do
1940 optval="${opt#*=}"
1941 case "$opt" in
1942 --extra-ldflags=*) add_ldflags $optval
1943 ;;
1944 --extra-libs=*) add_extralibs $optval
1945 ;;
1946 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1947 ;;
1948 --enable-debug=*) debuglevel="$optval"
1949 ;;
1950 --disable-everything)
1951 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1952 ;;
1953 --enable-random|--disable-random)
1954 action=${opt%%-random}
1955 do_random ${action#--} $COMPONENT_LIST
1956 ;;
1957 --enable-random=*|--disable-random=*)
1958 action=${opt%%-random=*}
1959 do_random ${action#--} $optval
1960 ;;
1961 --enable-*=*|--disable-*=*)
1962 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1963 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1964 eval list=\$$(toupper $thing)_LIST
1965 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1966 $action $(filter "$name" $list)
1967 ;;
1968 --enable-?*|--disable-?*)
1969 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1970 if is_in $option $COMPONENT_LIST; then
1971 test $action = disable && action=unset
1972 eval $action \$$(toupper ${option%s})_LIST
1973 elif is_in $option $CMDLINE_SELECT; then
1974 $action $option
1975 else
1976 die_unknown $opt
1977 fi
1978 ;;
1979 --list-*)
1980 NAME="${opt#--list-}"
1981 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1982 NAME=${NAME%s}
1983 eval show_list $NAME \$$(toupper $NAME)_LIST
1984 ;;
1985 --help|-h) show_help
1986 ;;
1987 *)
1988 optname="${opt%%=*}"
1989 optname="${optname#--}"
1990 optname=$(echo "$optname" | sed 's/-/_/g')
1991 if is_in $optname $CMDLINE_SET; then
1992 eval $optname='$optval'
1993 elif is_in $optname $CMDLINE_APPEND; then
1994 append $optname "$optval"
1995 else
1996 die_unknown $opt
1997 fi
1998 ;;
1999 esac
2000 done
2001
2002 disabled logging && logfile=/dev/null
2003
2004 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2005 set >> $logfile
2006
2007 test -n "$cross_prefix" && enable cross_compile
2008
2009 if enabled cross_compile; then
2010 test -n "$arch" && test -n "$target_os" ||
2011 die "Must specify target arch and OS when cross-compiling"
2012 fi
2013
2014 ar_default="${cross_prefix}${ar_default}"
2015 cc_default="${cross_prefix}${cc_default}"
2016 nm_default="${cross_prefix}${nm_default}"
2017 pkg_config_default="${cross_prefix}${pkg_config_default}"
2018 ranlib="${cross_prefix}${ranlib}"
2019
2020 sysinclude_default="${sysroot}/usr/include"
2021
2022 case "$toolchain" in
2023 clang-asan)
2024 cc_default="clang"
2025 add_cflags -faddress-sanitizer
2026 add_ldflags -faddress-sanitizer
2027 ;;
2028 clang-tsan)
2029 cc_default="clang"
2030 add_cflags -fthread-sanitizer
2031 add_ldflags -fthread-sanitizer
2032 ;;
2033 msvc)
2034 cc_default="c99wrap cl"
2035 ld_default="c99wrap link"
2036 nm_default="dumpbin -symbols"
2037 ar_default="lib"
2038 target_os_default="win32"
2039 ;;
2040 ?*)
2041 die "Unknown toolchain $toolchain"
2042 ;;
2043 esac
2044
2045 set_default arch cc pkg_config sysinclude target_os
2046 enabled cross_compile || host_cc_default=$cc
2047 set_default host_cc
2048
2049 if ! $pkg_config --version >/dev/null 2>&1; then
2050 warn "$pkg_config not found, library detection may fail."
2051 pkg_config=false
2052 fi
2053
2054 exesuf() {
2055 case $1 in
2056 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2057 esac
2058 }
2059
2060 EXESUF=$(exesuf $target_os)
2061 HOSTEXESUF=$(exesuf $host_os)
2062
2063 # set temporary file name
2064 : ${TMPDIR:=$TEMPDIR}
2065 : ${TMPDIR:=$TMP}
2066 : ${TMPDIR:=/tmp}
2067
2068 if ! check_cmd mktemp -u XXXXXX; then
2069 # simple replacement for missing mktemp
2070 # NOT SAFE FOR GENERAL USE
2071 mktemp(){
2072 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2073 }
2074 fi
2075
2076 tmpfile(){
2077 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2078 (set -C; exec > $tmp) 2>/dev/null ||
2079 die "Unable to create temporary file in $TMPDIR."
2080 append TMPFILES $tmp
2081 eval $1=$tmp
2082 }
2083
2084 trap 'rm -f -- $TMPFILES' EXIT
2085
2086 tmpfile TMPASM .asm
2087 tmpfile TMPC .c
2088 tmpfile TMPE $EXESUF
2089 tmpfile TMPH .h
2090 tmpfile TMPO .o
2091 tmpfile TMPS .S
2092 tmpfile TMPSH .sh
2093 tmpfile TMPV .ver
2094
2095 unset -f mktemp
2096
2097 chmod +x $TMPE
2098
2099 # make sure we can execute files in $TMPDIR
2100 cat > $TMPSH 2>> $logfile <<EOF
2101 #! /bin/sh
2102 EOF
2103 chmod +x $TMPSH >> $logfile 2>&1
2104 if ! $TMPSH >> $logfile 2>&1; then
2105 cat <<EOF
2106 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2107 variable to another directory and make sure that it is not mounted noexec.
2108 EOF
2109 die "Sanity test failed."
2110 fi
2111
2112 msvc_flags(){
2113 for flag; do
2114 case $flag in
2115 -fomit-frame-pointer) echo -Oy ;;
2116 -g) echo -Z7 ;;
2117 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2118 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2119 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2120 -wd4996 -wd4273 ;;
2121 -std=c99) ;;
2122 -fno-math-errno) ;;
2123 -fno-common) ;;
2124 -fno-signed-zeros) ;;
2125 -lz) echo zlib.lib ;;
2126 -lavifil32) echo vfw32.lib ;;
2127 -lavicap32) echo vfw32.lib user32.lib ;;
2128 -l*) echo ${flag#-l}.lib ;;
2129 *) echo $flag ;;
2130 esac
2131 done
2132 }
2133
2134 pgi_flags(){
2135 for flag; do
2136 case $flag in
2137 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2138 -fomit-frame-pointer) echo -Mnoframe ;;
2139 -g) echo -gopt ;;
2140 *) echo $flag ;;
2141 esac
2142 done
2143 }
2144
2145 suncc_flags(){
2146 for flag; do
2147 case $flag in
2148 -march=*|-mcpu=*)
2149 case "${flag#*=}" in
2150 native) echo -xtarget=native ;;
2151 v9|niagara) echo -xarch=sparc ;;
2152 ultrasparc) echo -xarch=sparcvis ;;
2153 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2154 i586|pentium) echo -xchip=pentium ;;
2155 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2156 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2157 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2158 pentium4*) echo -xtarget=pentium4 ;;
2159 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2160 *-sse3) echo -xarch=sse3 ;;
2161 core2) echo -xarch=ssse3 -xchip=core2 ;;
2162 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2163 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2164 k8|opteron|athlon64|athlon-fx)
2165 echo -xarch=sse2a ;;
2166 athlon*) echo -xarch=pentium_proa ;;
2167 esac
2168 ;;
2169 -std=c99) echo -xc99 ;;
2170 -fomit-frame-pointer) echo -xregs=frameptr ;;
2171 -fPIC) echo -KPIC -xcode=pic32 ;;
2172 -W*,*) echo $flag ;;
2173 -f*-*|-W*) ;;
2174 *) echo $flag ;;
2175 esac
2176 done
2177 }
2178
2179 tms470_flags(){
2180 for flag; do
2181 case $flag in
2182 -march=*|-mcpu=*)
2183 case "${flag#*=}" in
2184 armv7-a|cortex-a*) echo -mv=7a8 ;;
2185 armv7-r|cortex-r*) echo -mv=7r4 ;;
2186 armv7-m|cortex-m*) echo -mv=7m3 ;;
2187 armv6*|arm11*) echo -mv=6 ;;
2188 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2189 echo -mv=5e ;;
2190 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2191 esac
2192 ;;
2193 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2194 -mfpu=vfp) echo --float_support=vfpv2 ;;
2195 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2196 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2197 -msoft-float) echo --float_support=vfplib ;;
2198 -O[0-3]|-mf=*) echo $flag ;;
2199 -g) echo -g -mn ;;
2200 -pds=*) echo $flag ;;
2201 -D*|-I*) echo $flag ;;
2202 --gcc|--abi=*) echo $flag ;;
2203 -me) echo $flag ;;
2204 esac
2205 done
2206 }
2207
2208 probe_cc(){
2209 pfx=$1
2210 _cc=$2
2211
2212 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2213 unset _ld_o _ldflags _ld_lib _ld_path
2214 unset _depflags _DEPCMD _DEPFLAGS
2215 _flags_filter=echo
2216
2217 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2218 _type=llvm_gcc
2219 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2220 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2221 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2222 _cflags_speed='-O3'
2223 _cflags_size='-Os'
2224 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2225 _type=gcc
2226 gcc_version=$($_cc --version | head -n1)
2227 gcc_basever=$($_cc -dumpversion)
2228 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2229 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2230 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2231 if ! $_cc -dumpversion | grep -q '^2\.'; then
2232 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2233 fi
2234 _cflags_speed='-O3'
2235 _cflags_size='-Os'
2236 elif $_cc --version 2>/dev/null | grep -q Intel; then
2237 _type=icc
2238 _ident=$($_cc --version | head -n1)
2239 _depflags='-MMD'
2240 _cflags_speed='-O3'
2241 _cflags_size='-Os'
2242 _cflags_noopt='-O1'
2243 elif $_cc -v 2>&1 | grep -q xlc; then
2244 _type=xlc
2245 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2246 _cflags_speed='-O5'
2247 _cflags_size='-O5 -qcompact'
2248 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2249 _type=ccc
2250 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2251 _DEPFLAGS='-M'
2252 debuglevel=3
2253 _ldflags='-Wl,-z,now' # calls to libots crash without this
2254 _cflags_speed='-fast'
2255 _cflags_size='-O1'
2256 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2257 test -d "$sysroot" || die "No valid sysroot specified."
2258 _type=armcc
2259 _ident=$($_cc --vsn | head -n1)
2260 armcc_conf="$PWD/armcc.conf"
2261 $_cc --arm_linux_configure \
2262 --arm_linux_config_file="$armcc_conf" \
2263 --configure_sysroot="$sysroot" \
2264 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2265 die "Error creating armcc configuration file."
2266 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2267 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2268 as_default="${cross_prefix}gcc"
2269 _depflags='-MMD'
2270 _cflags_speed='-O3'
2271 _cflags_size='-Os'
2272 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2273 _type=tms470
2274 _ident=$($_cc -version | head -n1 | tr -s ' ')
2275 _flags='--gcc --abi=eabi -me'
2276 _cc_e='-ppl -fe=$@'
2277 _cc_o='-fe=$@'
2278 _depflags='-ppa -ppd=$(@:.o=.d)'
2279 _cflags_speed='-O3 -mf=5'
2280 _cflags_size='-O3 -mf=2'
2281 _flags_filter=tms470_flags
2282 elif $_cc -v 2>&1 | grep -q clang; then
2283 _type=clang
2284 _ident=$($_cc --version | head -n1)
2285 _depflags='-MMD'
2286 _cflags_speed='-O3'
2287 _cflags_size='-Os'
2288 elif $_cc -V 2>&1 | grep -q Sun; then
2289 _type=suncc
2290 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2291 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2292 _DEPFLAGS='-xM1 -xc99'
2293 _ldflags='-std=c99'
2294 _cflags_speed='-O5'
2295 _cflags_size='-O5 -xspace'
2296 _flags_filter=suncc_flags
2297 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2298 _type=pathscale
2299 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2300 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2301 _cflags_speed='-O2'
2302 _cflags_size='-Os'
2303 _flags_filter='filter_out -Wdisabled-optimization'
2304 elif $_cc -v 2>&1 | grep -q Open64; then
2305 _type=open64
2306 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2307 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2308 _cflags_speed='-O2'
2309 _cflags_size='-Os'
2310 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2311 elif $_cc -V 2>&1 | grep -q Portland; then
2312 _type=pgi
2313 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2314 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2315 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2316 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2317 _cflags_noopt="-O1"
2318 _flags_filter=pgi_flags
2319 elif $_cc 2>&1 | grep -q Microsoft; then
2320 _type=msvc
2321 _ident=$($cc 2>&1 | head -n1)
2322 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2323 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2324 _cflags_speed="-O2"
2325 _cflags_size="-O1"
2326 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2327 if $_cc 2>&1 | grep -q Linker; then
2328 _ld_o='-out $@'
2329 else
2330 _ld_o='-Fe$@'
2331 fi
2332 _cc_o='-Fo $@'
2333 _cc_e='-P -Fi $@'
2334 _flags_filter=msvc_flags
2335 _ld_lib='lib%.a'
2336 _ld_path='-libpath:'
2337 _flags='-nologo'
2338 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2339 if [ $pfx = hostcc ]; then
2340 append _cflags -Dsnprintf=_snprintf
2341 fi
2342 fi
2343
2344 eval ${pfx}_type=\$_type
2345 eval ${pfx}_ident=\$_ident
2346 }
2347
2348 set_ccvars(){
2349 eval ${1}_C=\${_cc_c-\${${1}_C}}
2350 eval ${1}_E=\${_cc_e-\${${1}_E}}
2351 eval ${1}_O=\${_cc_o-\${${1}_O}}
2352
2353 if [ -n "$_depflags" ]; then
2354 eval ${1}_DEPFLAGS=\$_depflags
2355 else
2356 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2357 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2358 eval DEP${1}FLAGS=\$_flags
2359 fi
2360 }
2361
2362 probe_cc cc "$cc"
2363 cflags_filter=$_flags_filter
2364 cflags_speed=$_cflags_speed
2365 cflags_size=$_cflags_size
2366 cflags_noopt=$_cflags_noopt
2367 add_cflags $_flags $_cflags
2368 cc_ldflags=$_ldflags
2369 set_ccvars CC
2370
2371 probe_cc hostcc "$host_cc"
2372 host_cflags_filter=$_flags_filter
2373 add_host_cflags $_flags $_cflags
2374 set_ccvars HOSTCC
2375
2376 test -n "$cc_type" && enable $cc_type ||
2377 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2378
2379 : ${as_default:=$cc}
2380 : ${dep_cc_default:=$cc}
2381 : ${ld_default:=$cc}
2382 : ${host_ld_default:=$host_cc}
2383 set_default ar as dep_cc ld host_ld
2384
2385 probe_cc as "$as"
2386 asflags_filter=$_flags_filter
2387 add_asflags $_flags $_cflags
2388 set_ccvars AS
2389
2390 probe_cc ld "$ld"
2391 ldflags_filter=$_flags_filter
2392 add_ldflags $_flags $_ldflags
2393 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2394 LD_O=${_ld_o-$LD_O}
2395 LD_LIB=${_ld_lib-$LD_LIB}
2396 LD_PATH=${_ld_path-$LD_PATH}
2397
2398 probe_cc hostld "$host_ld"
2399 host_ldflags_filter=$_flags_filter
2400 add_host_ldflags $_flags $_ldflags
2401 HOSTLD_O=${_ld_o-$HOSTLD_O}
2402
2403 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2404 probe_cc depcc "$dep_cc"
2405 CCDEP=${_DEPCMD:-$DEPCMD}
2406 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2407 DEPCCFLAGS=$_flags
2408 fi
2409
2410 if $ar 2>&1 | grep -q Microsoft; then
2411 arflags="-nologo"
2412 ar_o='-out:$@'
2413 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2414 arflags="rq"
2415 ar_o='$@'
2416 else
2417 arflags="rc"
2418 ar_o='$@'
2419 fi
2420
2421 add_cflags $extra_cflags
2422 add_asflags $extra_cflags
2423
2424 if test -n "$sysroot"; then
2425 case "$cc_type" in
2426 gcc|llvm_gcc|clang)
2427 add_cppflags --sysroot="$sysroot"
2428 add_ldflags --sysroot="$sysroot"
2429 ;;
2430 tms470)
2431 add_cppflags -I"$sysinclude"
2432 add_ldflags --sysroot="$sysroot"
2433 ;;
2434 esac
2435 fi
2436
2437 if test "$cpu" = host; then
2438 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2439
2440 case "$cc_type" in
2441 gcc|llvm_gcc)
2442 check_native(){
2443 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2444 sed -n "/cc1.*$1=/{
2445 s/.*$1=\\([^ ]*\\).*/\\1/
2446 p
2447 q
2448 }" $TMPE
2449 }
2450 cpu=$(check_native -march || check_native -mcpu)
2451 ;;
2452 esac
2453
2454 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2455 fi
2456
2457 # Deal with common $arch aliases
2458 case "$arch" in
2459 arm*)
2460 arch="arm"
2461 ;;
2462 mips*|IP*)
2463 arch="mips"
2464 ;;
2465 parisc*|hppa*)
2466 arch="parisc"
2467 ;;
2468 "Power Macintosh"|ppc*|powerpc*)
2469 arch="ppc"
2470 ;;
2471 s390|s390x)
2472 arch="s390"
2473 ;;
2474 sh4|sh)
2475 arch="sh4"
2476 ;;
2477 sun4u|sparc64)
2478 arch="sparc"
2479 subarch="sparc64"
2480 ;;
2481 tilegx|tile-gx)
2482 arch="tilegx"
2483 ;;
2484 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2485 arch="x86"
2486 ;;
2487 esac
2488
2489 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2490 enable $arch
2491
2492 # Add processor-specific flags
2493 if test "$cpu" = generic; then
2494 : do nothing
2495 elif enabled ppc; then
2496
2497 case $(tolower $cpu) in
2498 601|ppc601|powerpc601)
2499 cpuflags="-mcpu=601"
2500 disable altivec
2501 ;;
2502 603*|ppc603*|powerpc603*)
2503 cpuflags="-mcpu=603"
2504 disable altivec
2505 ;;
2506 604*|ppc604*|powerpc604*)
2507 cpuflags="-mcpu=604"
2508 disable altivec
2509 ;;
2510 g3|75*|ppc75*|powerpc75*)
2511 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2512 disable altivec
2513 ;;
2514 g4|745*|ppc745*|powerpc745*)
2515 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2516 ;;
2517 74*|ppc74*|powerpc74*)
2518 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2519 ;;
2520 g5|970|ppc970|powerpc970)
2521 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2522 ;;
2523 power[3-7]*)
2524 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2525 ;;
2526 cell)
2527 cpuflags="-mcpu=cell"
2528 enable ldbrx
2529 ;;
2530 e500mc)
2531 cpuflags="-mcpu=e500mc"
2532 disable altivec
2533 ;;
2534 e500v2)
2535 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2536 disable altivec
2537 ;;
2538 e500)
2539 cpuflags="-mcpu=8540 -mhard-float"
2540 disable altivec
2541 ;;
2542 esac
2543
2544 elif enabled x86; then
2545
2546 case $cpu in
2547 i[345]86|pentium)
2548 cpuflags="-march=$cpu"
2549 disable mmx
2550 ;;
2551 # targets that do NOT support conditional mov (cmov)
2552 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2553 cpuflags="-march=$cpu"
2554 disable cmov
2555 ;;
2556 # targets that do support conditional mov (cmov)
2557 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2558 cpuflags="-march=$cpu"
2559 enable cmov
2560 enable fast_cmov
2561 ;;
2562 # targets that do support conditional mov but on which it's slow
2563 pentium4|pentium4m|prescott|nocona)
2564 cpuflags="-march=$cpu"
2565 enable cmov
2566 disable fast_cmov
2567 ;;
2568 esac
2569
2570 elif enabled sparc; then
2571
2572 case $cpu in
2573 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2574 cpuflags="-mcpu=$cpu"
2575 disable vis
2576 ;;
2577 ultrasparc*|niagara[234])
2578 cpuflags="-mcpu=$cpu"
2579 ;;
2580 esac
2581
2582 elif enabled arm; then
2583
2584 case $cpu in
2585 armv*)
2586 cpuflags="-march=$cpu"
2587 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2588 ;;
2589 *)
2590 cpuflags="-mcpu=$cpu"
2591 case $cpu in
2592 cortex-a*) subarch=armv7a ;;
2593 cortex-r*) subarch=armv7r ;;
2594 cortex-m*) enable thumb; subarch=armv7m ;;
2595 arm11*) subarch=armv6 ;;
2596 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2597 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2598 esac
2599 ;;
2600 esac
2601
2602 elif enabled alpha; then
2603
2604 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2605
2606 elif enabled bfin; then
2607
2608 cpuflags="-mcpu=$cpu"
2609
2610 elif enabled mips; then
2611
2612 cpuflags="-march=$cpu"
2613
2614 elif enabled avr32; then
2615
2616 case $cpu in
2617 ap7[02]0[0-2])
2618 subarch="avr32_ap"
2619 cpuflags="-mpart=$cpu"
2620 ;;
2621 ap)
2622 subarch="avr32_ap"
2623 cpuflags="-march=$cpu"
2624 ;;
2625 uc3[ab]*)
2626 subarch="avr32_uc"
2627 cpuflags="-mcpu=$cpu"
2628 ;;
2629 uc)
2630 subarch="avr32_uc"
2631 cpuflags="-march=$cpu"
2632 ;;
2633 esac
2634
2635 fi
2636
2637 add_cflags $cpuflags
2638 add_asflags $cpuflags
2639
2640 # compiler sanity check
2641 check_exec <<EOF
2642 int main(void){ return 0; }
2643 EOF
2644 if test "$?" != 0; then
2645 echo "$cc is unable to create an executable file."
2646 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2647 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2648 echo "Only do this if you know what cross compiling means."
2649 fi
2650 die "C compiler test failed."
2651 fi
2652
2653 add_cppflags -D_ISOC99_SOURCE
2654 check_cflags -std=c99
2655 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2656 #include <stdlib.h>
2657 EOF
2658 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2659 #include <stdlib.h>
2660 EOF
2661
2662 check_host_cflags -std=c99
2663 check_host_cflags -Wall
2664
2665 check_64bit(){
2666 arch32=$1
2667 arch64=$2
2668 expr=$3
2669 check_code cc "" "int test[2*($expr) - 1]" &&
2670 subarch=$arch64 || subarch=$arch32
2671 }
2672
2673 case "$arch" in
2674 alpha|ia64|sparc)
2675 spic=$shared
2676 ;;
2677 mips)
2678 check_64bit mips mips64 '_MIPS_SIM > 1'
2679 spic=$shared
2680 ;;
2681 parisc)
2682 check_64bit parisc parisc64 'sizeof(void *) > 4'
2683 spic=$shared
2684 ;;
2685 ppc)
2686 check_64bit ppc ppc64 'sizeof(void *) > 4'
2687 ;;
2688 x86)
2689 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
2690 if test "$subarch" = "x86_64"; then
2691 spic=$shared
2692 fi
2693 ;;
2694 esac
2695
2696 enable $subarch
2697 enabled spic && enable pic
2698
2699 # OS specific
2700 case $target_os in
2701 haiku)
2702 prefix_default="/boot/common"
2703 network_extralibs="-lnetwork"
2704 host_libs=
2705 ;;
2706 sunos)
2707 AVSERVERLDFLAGS=""
2708 SHFLAGS='-shared -Wl,-h,$$(@F)'
2709 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2710 network_extralibs="-lsocket -lnsl"
2711 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2712 # When using suncc to build, the Solaris linker will mark
2713 # an executable with each instruction set encountered by
2714 # the Solaris assembler. As our libraries contain their own
2715 # guards for processor-specific code, instead suppress
2716 # generation of the HWCAPS ELF section on Solaris x86 only.
2717 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2718 nm_default='nm -P -g'
2719 ;;
2720 netbsd)
2721 disable symver
2722 oss_indev_extralibs="-lossaudio"
2723 oss_outdev_extralibs="-lossaudio"
2724 ;;
2725 openbsd|bitrig)
2726 # On OpenBSD 4.5. the compiler does not use PIC unless
2727 # explicitly using -fPIC. Libav builds fine without PIC,
2728 # however the generated executable will not do anything
2729 # (simply quits with exit-code 1, no crash, no output).
2730 # Thus explicitly enable PIC here.
2731 enable pic
2732 disable symver
2733 SHFLAGS='-shared'
2734 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2735 SLIB_INSTALL_LINKS=
2736 oss_indev_extralibs="-lossaudio"
2737 oss_outdev_extralibs="-lossaudio"
2738 ;;
2739 dragonfly)
2740 disable symver
2741 ;;
2742 freebsd)
2743 ;;
2744 bsd/os)
2745 add_extralibs -lpoll -lgnugetopt
2746 ;;
2747 darwin)
2748 gas="gas-preprocessor.pl $cc"
2749 enabled ppc && add_asflags -force_cpusubtype_ALL
2750 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2751 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2752 add_ldflags -Wl,-dynamic,-search_paths_first
2753 SLIBSUF=".dylib"
2754 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2755 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2756 AVSERVERLDFLAGS=-Wl,-bind_at_load
2757 objformat="macho"
2758 enabled x86_64 && objformat="macho64"
2759 enabled_any pic shared ||
2760 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2761 ;;
2762 mingw32*)
2763 if test $target_os = "mingw32ce"; then
2764 disable network
2765 else
2766 target_os=mingw32
2767 fi
2768 LIBTARGET=i386
2769 if enabled x86_64; then
2770 LIBTARGET="i386:x86-64"
2771 elif enabled arm; then
2772 LIBTARGET=arm-wince
2773 fi
2774 shlibdir_default="$bindir_default"
2775 SLIBPREF=""
2776 SLIBSUF=".dll"
2777 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2778 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2779 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2780 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2781 SLIB_INSTALL_LINKS=
2782 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2783 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2784 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2785 objformat="win32"
2786 dlltool="${cross_prefix}dlltool"
2787 ranlib=:
2788 enable dos_paths
2789 add_cppflags -U__STRICT_ANSI__
2790 ;;
2791 win32|win64)
2792 if enabled shared; then
2793 # Link to the import library instead of the normal static library
2794 # for shared libs.
2795 LD_LIB='%.lib'
2796 # Cannot build shared and static libraries at the same time with
2797 # MSVC.
2798 disable static
2799 fi
2800 shlibdir_default="$bindir_default"
2801 SLIBPREF=""
2802 SLIBSUF=".dll"
2803 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2804 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2805 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2806 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2807 SLIB_INSTALL_LINKS=
2808 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2809 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2810 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2811 objformat="win32"
2812 ranlib=:
2813 enable dos_paths
2814 ;;
2815 cygwin*)
2816 target_os=cygwin
2817 shlibdir_default="$bindir_default"
2818 SLIBPREF="cyg"
2819 SLIBSUF=".dll"
2820 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2821 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2822 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2823 SLIB_INSTALL_LINKS=
2824 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2825 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2826 objformat="win32"
2827 enable dos_paths
2828 add_cppflags -U__STRICT_ANSI__
2829 ;;
2830 *-dos|freedos|opendos)
2831 network_extralibs="-lsocket"
2832 objformat="coff"
2833 enable dos_paths
2834 add_cppflags -U__STRICT_ANSI__
2835 ;;
2836 linux)
2837 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2838 enable dv1394
2839 ;;
2840 irix*)
2841 target_os=irix
2842 ranlib="echo ignoring ranlib"
2843 ;;
2844 os/2*)
2845 ln_s="cp -f"
2846 objformat="aout"
2847 add_cppflags -D_GNU_SOURCE
2848 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2849 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2850 AVSERVERLDFLAGS=""
2851 LIBSUF="_s.a"
2852 SLIBPREF=""
2853 SLIBSUF=".dll"
2854 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2855 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2856 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2857 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2858 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2859 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2860 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2861 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2862 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2863 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2864 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2865 enable dos_paths
2866 ;;
2867 gnu/kfreebsd)
2868 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2869 ;;
2870 gnu)
2871 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2872 ;;
2873 qnx)
2874 add_cppflags -D_QNX_SOURCE
2875 network_extralibs="-lsocket"
2876 ;;
2877 symbian)
2878 SLIBSUF=".dll"
2879 enable dos_paths
2880 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2881 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2882 add_ldflags -Wl,--target1-abs,--no-undefined \
2883 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2884 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2885 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2886 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2887 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2888 ;;
2889 osf1)
2890 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2891 AVSERVERLDFLAGS=
2892 ;;
2893 minix)
2894 ;;
2895 plan9)
2896 add_cppflags -D_C99_SNPRINTF_EXTENSION \
2897 -D_REENTRANT_SOURCE \
2898 -D_RESEARCH_SOURCE \
2899 -DFD_SETSIZE=96 \
2900 -DHAVE_SOCK_OPTS
2901 add_compat strtod.o strtod=avpriv_strtod
2902 network_extralibs='-lbsd'
2903 exeobjs=compat/plan9/main.o
2904 disable avserver
2905 ln_s='ln -s -f'
2906 cp_f='cp'
2907 ;;
2908 none)
2909 ;;
2910 *)
2911 die "Unknown OS '$target_os'."
2912 ;;
2913 esac
2914
2915 # determine libc flavour
2916
2917 if check_cpp_condition features.h "defined __UCLIBC__"; then
2918 libc_type=uclibc
2919 elif check_cpp_condition features.h "defined __GLIBC__"; then
2920 libc_type=glibc
2921 elif check_header _mingw.h; then
2922 libc_type=mingw
2923 check_cpp_condition _mingw.h \
2924 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2925 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2926 die "ERROR: MinGW runtime version must be >= 3.15."
2927 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2928 libc_type=newlib
2929 elif check_func_headers stdlib.h _get_doserrno; then
2930 libc_type=msvcrt
2931 add_compat strtod.o strtod=avpriv_strtod
2932 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
2933 _snprintf=avpriv_snprintf \
2934 vsnprintf=avpriv_vsnprintf
2935 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2936 libc_type=klibc
2937 fi
2938
2939 test -n "$libc_type" && enable $libc_type
2940
2941 # hacks for compiler/libc/os combinations
2942
2943 if enabled_all tms470 glibc; then
2944 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
2945 add_cppflags -D__USER_LABEL_PREFIX__=
2946 add_cppflags -D__builtin_memset=memset
2947 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
2948 add_cflags -pds=48 # incompatible redefinition of macro
2949 fi
2950
2951 esc(){
2952 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2953 }
2954
2955 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2956
2957 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2958
2959 set_default $PATHS_LIST
2960 set_default nm
2961
2962 # we need to build at least one lib type
2963 if ! enabled_any static shared; then
2964 cat <<EOF
2965 At least one library type must be built.
2966 Specify --enable-static to build the static libraries or --enable-shared to
2967 build the shared libraries as well. To only build the shared libraries specify
2968 --disable-static in addition to --enable-shared.
2969 EOF
2970 exit 1;
2971 fi
2972
2973 die_license_disabled() {
2974 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2975 }
2976
2977 die_license_disabled gpl libcdio
2978 die_license_disabled gpl libx264
2979 die_license_disabled gpl libxavs
2980 die_license_disabled gpl libxvid
2981 die_license_disabled gpl x11grab
2982
2983 die_license_disabled nonfree libfaac
2984 die_license_disabled nonfree libfdk_aac
2985 die_license_disabled nonfree openssl
2986
2987 die_license_disabled version3 libopencore_amrnb
2988 die_license_disabled version3 libopencore_amrwb
2989 die_license_disabled version3 libvo_aacenc
2990 die_license_disabled version3 libvo_amrwbenc
2991
2992 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2993
2994 disabled optimizations || check_cflags -fomit-frame-pointer
2995
2996 enable_pic() {
2997 enable pic
2998 add_cppflags -DPIC
2999 add_cflags -fPIC
3000 add_asflags -fPIC
3001 }
3002
3003 enabled pic && enable_pic
3004
3005 check_cc <<EOF || die "Symbol mangling check failed."
3006 int ff_extern;
3007 EOF
3008 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3009 extern_prefix=${sym%%ff_extern*}
3010
3011 check_cc <<EOF && enable_weak inline_asm
3012 void foo(void) { __asm__ volatile ("" ::); }
3013 EOF
3014
3015 _restrict=
3016 for restrict_keyword in restrict __restrict__ __restrict; do
3017 check_cc <<EOF && _restrict=$restrict_keyword && break
3018 void foo(char * $restrict_keyword p);
3019 EOF
3020 done
3021
3022 check_cc <<EOF && enable attribute_packed
3023 struct { int x; } __attribute__((packed)) x;
3024 EOF
3025
3026 check_cc <<EOF && enable attribute_may_alias
3027 union { int x; } __attribute__((may_alias)) x;
3028 EOF
3029
3030 check_cc <<EOF || die "endian test failed"
3031 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3032 EOF
3033 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3034
3035 if enabled alpha; then
3036
3037 check_cflags -mieee
3038
3039 elif enabled arm; then
3040
3041 enabled thumb && check_cflags -mthumb || check_cflags -marm
3042 nogas=die
3043
3044 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3045 enable vfp_args
3046 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3047 case "${cross_prefix:-$cc}" in
3048 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3049 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3050 __asm__ (".eabi_attribute 28, 1");
3051 int main(void) { return 0; }
3052 EOF
3053 esac
3054 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3055 fi
3056
3057 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3058 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
3059 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3060 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
3061 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
3062 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
3063
3064 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3065 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3066
3067 enabled_all armv6t2 shared !pic && enable_pic
3068
3069 elif enabled mips; then
3070
3071 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3072
3073 elif enabled ppc; then
3074
3075 enable local_aligned_8 local_aligned_16
3076
3077 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3078 check_inline_asm ibm_asm '"add 0, 0, 0"'
3079 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3080 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3081
3082 # AltiVec flags: The FSF version of GCC differs from the Apple version
3083 if enabled altivec; then
3084 nogas=warn
3085 check_cflags -maltivec -mabi=altivec &&
3086 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3087 check_cflags -faltivec
3088
3089 # check if our compiler supports Motorola AltiVec C API
3090 check_cc <<EOF || disable altivec
3091 $inc_altivec_h
3092 int main(void) {
3093 vector signed int v1 = (vector signed int) { 0 };
3094 vector signed int v2 = (vector signed int) { 1 };
3095 v1 = vec_add(v1, v2);
3096 return 0;
3097 }
3098 EOF
3099
3100 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3101 fi
3102
3103 elif enabled sparc; then
3104
3105 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3106
3107 elif enabled x86; then
3108
3109 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3110
3111 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3112
3113 enable local_aligned_8 local_aligned_16
3114
3115 # check whether EBP is available on x86
3116 # As 'i' is stored on the stack, this program will crash
3117 # if the base pointer is used to access it because the
3118 # base pointer is cleared in the inline assembly code.
3119 check_exec_crash <<EOF && enable ebp_available
3120 volatile int i=0;
3121 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3122 return i;
3123 EOF
3124
3125 # check whether EBX is available on x86
3126 check_inline_asm ebx_available '""::"b"(0)' &&
3127 check_inline_asm ebx_available '"":::"%ebx"'
3128
3129 # check whether xmm clobbers are supported
3130 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3131
3132 # check whether binutils is new enough to compile SSSE3/MMXEXT
3133 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3134 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3135
3136 if ! disabled_any asm mmx yasm; then
3137 if check_cmd $yasmexe --version; then
3138 enabled x86_64 && yasm_extra="-m amd64"
3139 yasm_debug="-g dwarf2"
3140 elif check_cmd nasm -v; then
3141 yasmexe=nasm
3142 yasm_debug="-g -F dwarf"
3143 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3144 fi
3145
3146 YASMFLAGS="-f $objformat $yasm_extra"
3147 enabled pic && append YASMFLAGS "-DPIC"
3148 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3149 case "$objformat" in
3150 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3151 esac
3152
3153 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3154 die "yasm not found, use --disable-yasm for a crippled build"
3155 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3156 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3157 check_yasm "CPU amdnop" && enable cpunop
3158 fi
3159
3160 case "$cpu" in
3161 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3162 disable fast_clz
3163 ;;
3164 esac
3165
3166 fi
3167
3168 if enabled asm; then
3169 as=${gas:=$as}
3170 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3171 $nogas "GNU assembler not found, install gas-preprocessor"
3172 fi
3173
3174 check_ldflags -Wl,--as-needed
3175
3176 if check_func dlopen; then
3177 ldl=
3178 elif check_func dlopen -ldl; then
3179 ldl=-ldl
3180 fi
3181
3182 if enabled network; then
3183 check_type "sys/types.h sys/socket.h" socklen_t
3184 check_type netdb.h "struct addrinfo"
3185 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3186 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3187 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3188 check_type netinet/in.h "struct sockaddr_in6"
3189 check_type poll.h "struct pollfd"
3190 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3191 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3192 check_type netinet/sctp.h "struct sctp_event_subscribe"
3193 check_func getaddrinfo $network_extralibs
3194 check_func getservbyport $network_extralibs
3195 # Prefer arpa/inet.h over winsock2
3196 if check_header arpa/inet.h ; then
3197 check_func closesocket
3198 elif check_header winsock2.h ; then
3199 check_func_headers winsock2.h closesocket -lws2 &&
3200 network_extralibs="-lws2" ||
3201 { check_func_headers winsock2.h closesocket -lws2_32 &&
3202 network_extralibs="-lws2_32"; }
3203 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3204 check_type ws2tcpip.h socklen_t
3205 check_type ws2tcpip.h "struct addrinfo"
3206 check_type ws2tcpip.h "struct group_source_req"
3207 check_type ws2tcpip.h "struct ip_mreq_source"
3208 check_type ws2tcpip.h "struct ipv6_mreq"
3209 check_type winsock2.h "struct pollfd"
3210 check_type ws2tcpip.h "struct sockaddr_in6"
3211 check_type ws2tcpip.h "struct sockaddr_storage"
3212 check_struct winsock2.h "struct sockaddr" sa_len
3213 else
3214 disable network
3215 fi
3216 fi
3217
3218 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3219 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3220
3221 check_func fcntl
3222 check_func fork
3223 check_func gethrtime
3224 check_func getopt
3225 check_func getrusage
3226 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3227 check_func gettimeofday
3228 check_func inet_aton $network_extralibs
3229 check_func isatty
3230 check_func localtime_r
3231 check_func ${malloc_prefix}memalign && enable memalign
3232 check_func mkstemp
3233 check_func mmap
3234 check_func mprotect
3235 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3236 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3237 check_func setrlimit
3238 check_func strerror_r
3239 check_func strptime
3240 check_func strtok_r
3241 check_func sched_getaffinity
3242 check_func sysconf
3243 check_func sysctl
3244 check_func usleep
3245 check_func_headers io.h setmode
3246 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3247 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3248 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3249 check_func_headers windows.h GetProcessAffinityMask
3250 check_func_headers windows.h GetProcessTimes
3251 check_func_headers windows.h GetSystemTimeAsFileTime
3252 check_func_headers windows.h MapViewOfFile
3253 check_func_headers windows.h Sleep
3254 check_func_headers windows.h VirtualAlloc
3255
3256 check_header direct.h
3257 check_header dlfcn.h
3258 check_header dxva.h
3259 check_header dxva2api.h
3260 check_header io.h
3261 check_header malloc.h
3262 check_header poll.h
3263 check_header sys/mman.h
3264 check_header sys/param.h
3265 check_header sys/resource.h
3266 check_header sys/select.h
3267 check_header sys/time.h
3268 check_header unistd.h
3269 check_header vdpau/vdpau.h
3270 check_header vdpau/vdpau_x11.h
3271 check_header windows.h
3272 check_header X11/extensions/XvMClib.h
3273
3274 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3275 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3276
3277 if ! disabled w32threads && ! enabled pthreads; then
3278 check_func _beginthreadex && enable w32threads
3279 fi
3280
3281 # check for some common methods of building with pthread support
3282 # do this before the optional library checks as some of them require pthreads
3283 if ! disabled pthreads && ! enabled w32threads; then
3284 enable pthreads
3285 if check_func pthread_create; then
3286 :
3287 elif check_func pthread_create -pthread; then
3288 add_cflags -pthread
3289 add_extralibs -pthread
3290 elif check_func pthread_create -pthreads; then
3291 add_cflags -pthreads
3292 add_extralibs -pthreads
3293 elif check_func pthread_create -lpthreadGC2; then
3294 add_extralibs -lpthreadGC2
3295 elif ! check_lib pthread.h pthread_create -lpthread; then
3296 disable pthreads
3297 fi
3298 fi
3299
3300 for thread in $THREADS_LIST; do
3301 if enabled $thread; then
3302 test -n "$thread_type" &&
3303 die "ERROR: Only one thread type must be selected." ||
3304 thread_type="$thread"
3305 fi
3306 done
3307
3308 check_lib math.h sin -lm && LIBM="-lm"
3309 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3310
3311 atan2f_args=2
3312 ldexpf_args=2
3313 powf_args=2
3314
3315 for func in $MATH_FUNCS; do
3316 eval check_mathfunc $func \${${func}_args:-1}
3317 done
3318
3319 # these are off by default, so fail if requested and not available
3320 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3321 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3322 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3323 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3324 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3325 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3326 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3327 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3328 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3329 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3330 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3331 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3332 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3333 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3334 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3335 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3336 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3337 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3338 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3339 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3340 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3341 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3342 enabled libvpx && {
3343 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3344 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3345 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3346 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3347 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3348 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3349 die "ERROR: libx264 version must be >= 0.118."; }
3350 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3351 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3352 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3353 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3354 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3355 die "ERROR: openssl not found"; }
3356
3357 if enabled gnutls; then
3358 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3359 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3360 fi
3361
3362 # libdc1394 check
3363 if enabled libdc1394; then
3364 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3365 enable libdc1394_2; } ||
3366 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3367 enable libdc1394_1; } ||
3368 die "ERROR: No version of libdc1394 found "
3369 fi
3370
3371 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3372 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3373 enable sdl &&
3374 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3375 fi
3376
3377 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3378
3379 check_header linux/fb.h
3380 check_header linux/videodev2.h
3381 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3382
3383 check_header sys/videoio.h
3384
3385 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3386 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3387 # w32api 3.12 had it defined wrong
3388 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3389
3390 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3391 { check_header dev/bktr/ioctl_meteor.h &&
3392 check_header dev/bktr/ioctl_bt848.h; } ||
3393 { check_header machine/ioctl_meteor.h &&
3394 check_header machine/ioctl_bt848.h; } ||
3395 { check_header dev/video/meteor/ioctl_meteor.h &&
3396 check_header dev/video/bktr/ioctl_bt848.h; } ||
3397 check_header dev/ic/bt8xx.h
3398
3399 check_header sndio.h
3400 check_header sys/soundcard.h
3401 check_header soundcard.h
3402
3403 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3404
3405 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3406 check_func jack_port_get_latency_range -ljack
3407
3408 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3409
3410 enabled libcdio &&
3411 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3412
3413 enabled x11grab &&
3414 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3415 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3416 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3417
3418 # check for VDA header
3419 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3420 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3421 fi
3422
3423 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3424 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3425 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3426 fi
3427
3428 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3429
3430 # add some useful compiler flags if supported
3431 check_cflags -Wdeclaration-after-statement
3432 check_cflags -Wall
3433 check_cflags -Wno-parentheses
3434 check_cflags -Wno-switch
3435 check_cflags -Wno-format-zero-length
3436 check_cflags -Wdisabled-optimization
3437 check_cflags -Wpointer-arith
3438 check_cflags -Wredundant-decls
3439 check_cflags -Wno-pointer-sign
3440 check_cflags -Wcast-qual
3441 check_cflags -Wwrite-strings
3442 check_cflags -Wtype-limits
3443 check_cflags -Wundef
3444 check_cflags -Wmissing-prototypes
3445 check_cflags -Wstrict-prototypes
3446 enabled extra_warnings && check_cflags -Winline
3447
3448 # add some linker flags
3449 check_ldflags -Wl,--warn-common
3450 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3451 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3452
3453 enabled xmm_clobber_test &&
3454 check_ldflags -Wl,--wrap,avcodec_open2 \
3455 -Wl,--wrap,avcodec_decode_audio4 \
3456 -Wl,--wrap,avcodec_decode_video2 \
3457 -Wl,--wrap,avcodec_decode_subtitle2 \
3458 -Wl,--wrap,avcodec_encode_audio2 \
3459 -Wl,--wrap,avcodec_encode_video \
3460 -Wl,--wrap,avcodec_encode_subtitle \
3461 -Wl,--wrap,sws_scale ||
3462 disable xmm_clobber_test
3463
3464 echo "X{};" > $TMPV
3465 if test_ldflags -Wl,--version-script,$TMPV; then
3466 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3467 check_cc <<EOF && enable symver_asm_label
3468 void ff_foo(void) __asm__ ("av_foo@VERSION");
3469 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3470 EOF
3471 check_cc <<EOF && enable symver_gnu_asm
3472 __asm__(".symver ff_foo,av_foo@VERSION");
3473 void ff_foo(void) {}
3474 EOF
3475 fi
3476
3477 if [ -z "$optflags" ]; then
3478 if enabled small; then
3479 optflags=$cflags_size
3480 elif enabled optimizations; then
3481 optflags=$cflags_speed
3482 else
3483 optflags=$cflags_noopt
3484 fi
3485 fi
3486
3487 check_optflags(){
3488 check_cflags "$@"
3489 enabled lto && check_ldflags "$@"
3490 }
3491
3492
3493 if enabled lto; then
3494 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3495 check_cflags -flto
3496 check_ldflags -flto $cpuflags
3497 fi
3498
3499 check_optflags $optflags
3500 check_optflags -fno-math-errno
3501 check_optflags -fno-signed-zeros
3502
3503 if enabled icc; then
3504 # Just warnings, no remarks
3505 check_cflags -w1
3506 # -wd: Disable following warnings
3507 # 144, 167, 556: -Wno-pointer-sign
3508 # 1292: attribute "foo" ignored
3509 # 1419: external declaration in primary source file
3510 # 10006: ignoring unknown option -fno-signed-zeros
3511 # 10148: ignoring unknown option -Wno-parentheses
3512 # 10156: ignoring option '-W'; no argument required
3513 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3514 # 11030: Warning unknown option --as-needed
3515 # 10156: ignoring option '-export'; no argument required
3516 check_ldflags -wd10156,11030
3517 # Allow to compile with optimizations
3518 check_ldflags -march=$cpu
3519 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3520 enable ebp_available
3521 if enabled x86_32; then
3522 icc_version=$($cc -dumpversion)
3523 test ${icc_version%%.*} -ge 11 &&
3524 check_cflags -falign-stack=maintain-16-byte ||
3525 disable aligned_stack
3526 fi
3527 elif enabled ccc; then
3528 # disable some annoying warnings
3529 add_cflags -msg_disable cvtu32to64
3530 add_cflags -msg_disable embedcomment
3531 add_cflags -msg_disable needconstext
3532 add_cflags -msg_disable nomainieee
3533 add_cflags -msg_disable ptrmismatch1
3534 add_cflags -msg_disable unreachcode
3535 elif enabled gcc; then
3536 check_optflags -fno-tree-vectorize
3537 check_cflags -Werror=implicit-function-declaration
3538 check_cflags -Werror=missing-prototypes
3539 check_cflags -Werror=declaration-after-statement
3540 check_cflags -Werror=vla
3541 elif enabled llvm_gcc; then
3542 check_cflags -mllvm -stack-alignment=16
3543 elif enabled clang; then
3544 check_cflags -mllvm -stack-alignment=16
3545 check_cflags -Qunused-arguments
3546 elif enabled armcc; then
3547 # 2523: use of inline assembler is deprecated
3548 add_cflags -W${armcc_opt},--diag_suppress=2523
3549 add_cflags -W${armcc_opt},--diag_suppress=1207
3550 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3551 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3552 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3553 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3554 elif enabled tms470; then
3555 add_cflags -pds=824 -pds=837
3556 elif enabled pathscale; then
3557 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3558 elif enabled msvc; then
3559 enabled x86_32 && disable aligned_stack
3560 fi
3561
3562 case $target_os in
3563 plan9)
3564 add_cppflags -Dmain=plan9_main
3565 ;;
3566 esac
3567
3568 enabled_any $THREADS_LIST && enable threads
3569
3570 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3571
3572 check_deps $CONFIG_LIST \
3573 $CONFIG_EXTRA \
3574 $HAVE_LIST \
3575 $ALL_COMPONENTS \
3576
3577 ! enabled_any memalign posix_memalign aligned_malloc &&
3578 enabled_any $need_memalign && enable memalign_hack
3579
3580 echo "install prefix $prefix"
3581 echo "source path $source_path"
3582 echo "C compiler $cc"
3583 echo "ARCH $arch ($cpu)"
3584 if test "$build_suffix" != ""; then
3585 echo "build suffix $build_suffix"
3586 fi
3587 if test "$extra_version" != ""; then
3588 echo "version string suffix $extra_version"
3589 fi
3590 echo "big-endian ${bigendian-no}"
3591 echo "runtime cpu detection ${runtime_cpudetect-no}"
3592 if enabled x86; then
3593 echo "${yasmexe} ${yasm-no}"
3594 echo "MMX enabled ${mmx-no}"
3595 echo "MMXEXT enabled ${mmxext-no}"
3596 echo "3DNow! enabled ${amd3dnow-no}"
3597 echo "3DNow! extended enabled ${amd3dnowext-no}"
3598 echo "SSE enabled ${sse-no}"
3599 echo "SSSE3 enabled ${ssse3-no}"
3600 echo "AVX enabled ${avx-no}"
3601 echo "FMA4 enabled ${fma4-no}"
3602 echo "CMOV enabled ${cmov-no}"
3603 echo "CMOV is fast ${fast_cmov-no}"
3604 echo "EBX available ${ebx_available-no}"
3605 echo "EBP available ${ebp_available-no}"
3606 fi
3607 if enabled arm; then
3608 echo "ARMv5TE enabled ${armv5te-no}"
3609 echo "ARMv6 enabled ${armv6-no}"
3610 echo "ARMv6T2 enabled ${armv6t2-no}"
3611 echo "ARM VFP enabled ${armvfp-no}"
3612 echo "NEON enabled ${neon-no}"
3613 fi
3614 if enabled ppc; then
3615 echo "AltiVec enabled ${altivec-no}"
3616 echo "PPC 4xx optimizations ${ppc4xx-no}"
3617 echo "dcbzl available ${dcbzl-no}"
3618 fi
3619 if enabled sparc; then
3620 echo "VIS enabled ${vis-no}"
3621 fi
3622 echo "debug symbols ${debug-no}"
3623 echo "optimize for size ${small-no}"
3624 echo "optimizations ${optimizations-no}"
3625 echo "static ${static-no}"
3626 echo "shared ${shared-no}"
3627 echo "new filter support ${avfilter-no}"
3628 echo "network support ${network-no}"
3629 echo "threading support ${thread_type-no}"
3630 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3631 echo "SDL support ${sdl-no}"
3632 echo "libdxva2 enabled ${dxva2-no}"
3633 echo "libva enabled ${vaapi-no}"
3634 echo "libvdpau enabled ${vdpau-no}"
3635 echo "AVISynth enabled ${avisynth-no}"
3636 echo "frei0r enabled ${frei0r-no}"
3637 echo "gnutls enabled ${gnutls-no}"
3638 echo "libcdio support ${libcdio-no}"
3639 echo "libdc1394 support ${libdc1394-no}"
3640 echo "libfaac enabled ${libfaac-no}"
3641 echo "libfdk-aac enabled ${libfdk_aac-no}"
3642 echo "libgsm enabled ${libgsm-no}"
3643 echo "libilbc enabled ${libilbc-no}"
3644 echo "libmp3lame enabled ${libmp3lame-no}"
3645 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3646 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3647 echo "libopencv support ${libopencv-no}"
3648 echo "libopenjpeg enabled ${libopenjpeg-no}"
3649 echo "libopus enabled ${libopus-no}"
3650 echo "libpulse enabled ${libpulse-no}"
3651 echo "librtmp enabled ${librtmp-no}"
3652 echo "libschroedinger enabled ${libschroedinger-no}"
3653 echo "libspeex enabled ${libspeex-no}"
3654 echo "libtheora enabled ${libtheora-no}"
3655 echo "libvo-aacenc support ${libvo_aacenc-no}"
3656 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3657 echo "libvorbis enabled ${libvorbis-no}"
3658 echo "libvpx enabled ${libvpx-no}"
3659 echo "libx264 enabled ${libx264-no}"
3660 echo "libxavs enabled ${libxavs-no}"
3661 echo "libxvid enabled ${libxvid-no}"
3662 echo "openssl enabled ${openssl-no}"
3663 echo "zlib enabled ${zlib-no}"
3664 echo "bzlib enabled ${bzlib-no}"
3665 test -n "$random_seed" &&
3666 echo "random seed ${random_seed}"
3667 echo
3668
3669 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3670 echo "Enabled ${type}s:"
3671 eval list=\$$(toupper $type)_LIST
3672 print_enabled '_*' $list | sort | pr -r -3 -t
3673 echo
3674 done
3675
3676 license="LGPL version 2.1 or later"
3677 if enabled nonfree; then
3678 license="nonfree and unredistributable"