lavu: add snprintf(), vsnprint() and strtod() replacements for MS runtime.
[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 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-dwt disable DWT code
120 --disable-lsp disable LSP code
121 --disable-mdct disable MDCT code
122 --disable-rdft disable RDFT code
123 --disable-fft disable FFT code
124 --enable-dxva2 enable DXVA2 code
125 --enable-vaapi enable VAAPI code
126 --enable-vda enable VDA code
127 --enable-vdpau enable VDPAU code
128
129 Individual component options:
130 --disable-everything disable all components listed below
131 --disable-encoder=NAME disable encoder NAME
132 --enable-encoder=NAME enable encoder NAME
133 --disable-encoders disable all encoders
134 --disable-decoder=NAME disable decoder NAME
135 --enable-decoder=NAME enable decoder NAME
136 --disable-decoders disable all decoders
137 --disable-hwaccel=NAME disable hwaccel NAME
138 --enable-hwaccel=NAME enable hwaccel NAME
139 --disable-hwaccels disable all hwaccels
140 --disable-muxer=NAME disable muxer NAME
141 --enable-muxer=NAME enable muxer NAME
142 --disable-muxers disable all muxers
143 --disable-demuxer=NAME disable demuxer NAME
144 --enable-demuxer=NAME enable demuxer NAME
145 --disable-demuxers disable all demuxers
146 --enable-parser=NAME enable parser NAME
147 --disable-parser=NAME disable parser NAME
148 --disable-parsers disable all parsers
149 --enable-bsf=NAME enable bitstream filter NAME
150 --disable-bsf=NAME disable bitstream filter NAME
151 --disable-bsfs disable all bitstream filters
152 --enable-protocol=NAME enable protocol NAME
153 --disable-protocol=NAME disable protocol NAME
154 --disable-protocols disable all protocols
155 --enable-indev=NAME enable input device NAME
156 --disable-indev=NAME disable input device NAME
157 --disable-indevs disable input devices
158 --enable-outdev=NAME enable output device NAME
159 --disable-outdev=NAME disable output device NAME
160 --disable-outdevs disable output devices
161 --disable-devices disable all devices
162 --enable-filter=NAME enable filter NAME
163 --disable-filter=NAME disable filter NAME
164 --disable-filters disable all filters
165
166 External library support:
167 --enable-avisynth enable reading of AVISynth script files [no]
168 --enable-bzlib enable bzlib [autodetect]
169 --enable-frei0r enable frei0r video filtering
170 --enable-gnutls enable gnutls [no]
171 --enable-libcdio enable audio CD grabbing with libcdio
172 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
173 and libraw1394 [no]
174 --enable-libfaac enable AAC encoding via libfaac [no]
175 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM de/encoding via libgsm [no]
178 --enable-libilbc enable iLBC de/encoding via libilbc [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
181 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
182 --enable-libopencv enable video filtering via libopencv [no]
183 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
187 --enable-libspeex enable Speex de/encoding via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
192 --enable-libvpx enable VP8 de/encoding via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-openssl enable openssl [no]
198 --enable-zlib enable zlib [autodetect]
199
200 Advanced options (experts only):
201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
209 --ar=AR use archive tool AR [$ar_default]
210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
212 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ld=HOSTLD use host linker HOSTLD
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --host-os=OS compiler host OS [$target_os]
220 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
221 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
222 --extra-libs=ELIBS add ELIBS [$ELIBS]
223 --extra-version=STRING version string suffix []
224 --optflags=OPTFLAGS override optimization-related compiler flags
225 --build-suffix=SUFFIX library name suffix []
226 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
227 --arch=ARCH select architecture [$arch]
228 --cpu=CPU select the minimum required CPU (affects
229 instruction selection, may crash on older CPUs)
230 --enable-pic build position-independent code
231 --enable-sram allow use of on-chip SRAM
232 --enable-thumb compile for Thumb instruction set
233 --disable-symver disable symbol versioning
234 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
235 --disable-safe-bitstream-reader
236 disable buffer boundary checking in bitreaders
237 (faster, but may crash)
238 --enable-memalign-hack emulate memalign, interferes with memory debuggers
239
240 Optimization options (experts only):
241 --disable-asm disable all assembler optimizations
242 --disable-altivec disable AltiVec optimizations
243 --disable-amd3dnow disable 3DNow! optimizations
244 --disable-amd3dnowext disable 3DNow! extended optimizations
245 --disable-mmx disable MMX optimizations
246 --disable-mmxext disable MMXEXT optimizations
247 --disable-sse disable SSE optimizations
248 --disable-sse2 disable SSE2 optimizations
249 --disable-sse3 disable SSE3 optimizations
250 --disable-ssse3 disable SSSE3 optimizations
251 --disable-sse4 disable SSE4 optimizations
252 --disable-sse42 disable SSE4.2 optimizations
253 --disable-avx disable AVX optimizations
254 --disable-fma4 disable FMA4 optimizations
255 --disable-armv5te disable armv5te optimizations
256 --disable-armv6 disable armv6 optimizations
257 --disable-armv6t2 disable armv6t2 optimizations
258 --disable-armvfp disable ARM VFP optimizations
259 --disable-mmi disable MMI optimizations
260 --disable-neon disable NEON optimizations
261 --disable-vis disable VIS optimizations
262 --disable-yasm disable use of yasm assembler
263
264 Developer options (useful when working on Libav itself):
265 --disable-debug disable debugging symbols
266 --enable-debug=LEVEL set the debug level [$debuglevel]
267 --disable-optimizations disable compiler optimizations
268 --enable-extra-warnings enable more compiler warnings
269 --samples=PATH location of test samples for FATE, if not set use
270 \$LIBAV_SAMPLES at make invocation time.
271 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
272 should be used only for debugging purposes)
273 --enable-random randomly enable/disable components
274 --disable-random
275 --enable-random=LIST randomly enable/disable specific components or
276 --disable-random=LIST component groups. LIST is a comma-separated list
277 of NAME[:PROB] entries where NAME is a component
278 (group) and PROB the probability associated with
279 NAME (default 0.5).
280 --random-seed=VALUE seed value for --enable/disable-random
281
282 NOTE: Object files are built at the place where configure is launched.
283 EOF
284 exit 0
285 }
286
287 quotes='""'
288
289 log(){
290 echo "$@" >> $logfile
291 }
292
293 log_file(){
294 log BEGIN $1
295 pr -n -t $1 >> $logfile
296 log END $1
297 }
298
299 echolog(){
300 log "$@"
301 echo "$@"
302 }
303
304 warn(){
305 log "WARNING: $*"
306 WARNINGS="${WARNINGS}WARNING: $*\n"
307 }
308
309 die(){
310 echolog "$@"
311 cat <<EOF
312
313 If you think configure made a mistake, make sure you are using the latest
314 version from Git. If the latest version fails, report the problem to the
315 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
316 EOF
317 if disabled logging; then
318 cat <<EOF
319 Rerun configure with logging enabled (do not use --disable-logging), and
320 include the log this produces with your report.
321 EOF
322 else
323 cat <<EOF
324 Include the log file "$logfile" produced by configure as this will help
325 solving the problem.
326 EOF
327 fi
328 exit 1
329 }
330
331 # Avoid locale weirdness, besides we really just want to translate ASCII.
332 toupper(){
333 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
334 }
335
336 tolower(){
337 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
338 }
339
340 c_escape(){
341 echo "$*" | sed 's/["\\]/\\\0/g'
342 }
343
344 sh_quote(){
345 v=$(echo "$1" | sed "s/'/'\\\\''/g")
346 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
347 echo "$v"
348 }
349
350 cleanws(){
351 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
352 }
353
354 filter(){
355 pat=$1
356 shift
357 for v; do
358 eval "case $v in $pat) echo $v ;; esac"
359 done
360 }
361
362 filter_out(){
363 pat=$1
364 shift
365 for v; do
366 eval "case $v in $pat) ;; *) echo $v ;; esac"
367 done
368 }
369
370 map(){
371 m=$1
372 shift
373 for v; do eval $m; done
374 }
375
376 add_suffix(){
377 suffix=$1
378 shift
379 for v; do echo ${v}${suffix}; done
380 }
381
382 set_all(){
383 value=$1
384 shift
385 for var in $*; do
386 eval $var=$value
387 done
388 }
389
390 set_weak(){
391 value=$1
392 shift
393 for var; do
394 eval : \${$var:=$value}
395 done
396 }
397
398 set_safe(){
399 var=$1
400 shift
401 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
402 }
403
404 get_safe(){
405 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
406 }
407
408 pushvar(){
409 for var in $*; do
410 eval level=\${${var}_level:=0}
411 eval ${var}_${level}="\$$var"
412 eval ${var}_level=$(($level+1))
413 done
414 }
415
416 popvar(){
417 for var in $*; do
418 eval level=\${${var}_level:-0}
419 test $level = 0 && continue
420 eval level=$(($level-1))
421 eval $var="\${${var}_${level}}"
422 eval ${var}_level=$level
423 eval unset ${var}_${level}
424 done
425 }
426
427 enable(){
428 set_all yes $*
429 }
430
431 disable(){
432 set_all no $*
433 }
434
435 enable_weak(){
436 set_weak yes $*
437 }
438
439 disable_weak(){
440 set_weak no $*
441 }
442
443 enable_safe(){
444 for var; do
445 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
446 done
447 }
448
449 disable_safe(){
450 for var; do
451 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
452 done
453 }
454
455 do_enable_deep(){
456 for var; do
457 enabled $var && continue
458 eval sel="\$${var}_select"
459 eval sgs="\$${var}_suggest"
460 pushvar var sgs
461 enable_deep $sel
462 popvar sgs
463 enable_deep_weak $sgs
464 popvar var
465 done
466 }
467
468 enable_deep(){
469 do_enable_deep $*
470 enable $*
471 }
472
473 enable_deep_weak(){
474 do_enable_deep $*
475 enable_weak $*
476 }
477
478 enabled(){
479 test "${1#!}" = "$1" && op== || op=!=
480 eval test "x\$${1#!}" $op "xyes"
481 }
482
483 disabled(){
484 test "${1#!}" = "$1" && op== || op=!=
485 eval test "x\$${1#!}" $op "xno"
486 }
487
488 enabled_all(){
489 for opt; do
490 enabled $opt || return 1
491 done
492 }
493
494 disabled_all(){
495 for opt; do
496 disabled $opt || return 1
497 done
498 }
499
500 enabled_any(){
501 for opt; do
502 enabled $opt && return 0
503 done
504 }
505
506 disabled_any(){
507 for opt; do
508 disabled $opt && return 0
509 done
510 return 1
511 }
512
513 set_default(){
514 for opt; do
515 eval : \${$opt:=\$${opt}_default}
516 done
517 }
518
519 is_in(){
520 value=$1
521 shift
522 for var in $*; do
523 [ $var = $value ] && return 0
524 done
525 return 1
526 }
527
528 check_deps(){
529 for cfg; do
530 cfg="${cfg#!}"
531 enabled ${cfg}_checking && die "Circular dependency for $cfg."
532 disabled ${cfg}_checking && continue
533 enable ${cfg}_checking
534
535 eval dep_all="\$${cfg}_deps"
536 eval dep_any="\$${cfg}_deps_any"
537 eval dep_sel="\$${cfg}_select"
538 eval dep_sgs="\$${cfg}_suggest"
539 eval dep_ifa="\$${cfg}_if"
540 eval dep_ifn="\$${cfg}_if_any"
541
542 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
543 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
544 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
545
546 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
547 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
548 enabled_all $dep_all || disable $cfg
549 enabled_any $dep_any || disable $cfg
550 disabled_any $dep_sel && disable $cfg
551
552 if enabled $cfg; then
553 eval dep_extralibs="\$${cfg}_extralibs"
554 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
555 enable_deep $dep_sel
556 enable_deep_weak $dep_sgs
557 fi
558
559 disable ${cfg}_checking
560 done
561 }
562
563 print_config_h(){
564 enabled $1 && v=1 || v=0
565 echo "#define $2 $v"
566 }
567
568 print_config_mak(){
569 enabled $1 && v= || v=!
570 echo "$v$2=yes"
571 }
572
573 print_config_asm(){
574 enabled $1 && v=1 || v=0
575 echo "%define $2 $v"
576 }
577
578 print_config(){
579 pfx=$1
580 files=$2
581 shift 2
582 for cfg; do
583 ucname="$(toupper $cfg)"
584 for f in $files; do
585 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
586 done
587 done
588 }
589
590 print_enabled(){
591 test "$1" = -n && end=" " && shift || end="\n"
592 suf=$1
593 shift
594 for v; do
595 enabled $v && printf "%s$end" ${v%$suf};
596 done
597 }
598
599 append(){
600 var=$1
601 shift
602 eval "$var=\"\$$var $*\""
603 }
604
605 prepend(){
606 var=$1
607 shift
608 eval "$var=\"$* \$$var\""
609 }
610
611 add_cppflags(){
612 append CPPFLAGS "$@"
613 }
614
615 add_cflags(){
616 append CFLAGS $($cflags_filter "$@")
617 }
618
619 add_asflags(){
620 append ASFLAGS $($asflags_filter "$@")
621 }
622
623 add_ldflags(){
624 append LDFLAGS $($ldflags_filter "$@")
625 }
626
627 add_extralibs(){
628 prepend extralibs $($ldflags_filter "$@")
629 }
630
631 add_host_cflags(){
632 append host_cflags $($host_cflags_filter "$@")
633 }
634
635 add_host_ldflags(){
636 append host_ldflags $($host_ldflags_filter "$@")
637 }
638
639 check_cmd(){
640 log "$@"
641 "$@" >> $logfile 2>&1
642 }
643
644 cc_o(){
645 eval printf '%s\\n' $CC_O
646 }
647
648 cc_e(){
649 eval printf '%s\\n' $CC_E
650 }
651
652 check_cc(){
653 log check_cc "$@"
654 cat > $TMPC
655 log_file $TMPC
656 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
657 }
658
659 check_cpp(){
660 log check_cpp "$@"
661 cat > $TMPC
662 log_file $TMPC
663 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
664 }
665
666 as_o(){
667 eval printf '%s\\n' $AS_O
668 }
669
670 check_as(){
671 log check_as "$@"
672 cat > $TMPC
673 log_file $TMPC
674 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
675 }
676
677 check_inline_asm(){
678 log check_inline_asm "$@"
679 name="$1"
680 code="$2"
681 shift 2
682 disable $name
683 check_as "$@" <<EOF && enable $name
684 void foo(void){ __asm__ volatile($code); }
685 EOF
686 }
687
688 check_yasm(){
689 log check_yasm "$@"
690 echo "$1" > $TMPS
691 log_file $TMPS
692 shift 1
693 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
694 }
695
696 ld_o(){
697 eval printf '%s\\n' $LD_O
698 }
699
700 check_ld(){
701 log check_ld "$@"
702 flags=''
703 libs=''
704 for f; do
705 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
706 done
707 check_cc $($cflags_filter $flags) || return
708 flags=$($ldflags_filter $flags)
709 libs=$($ldflags_filter $libs)
710 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
711 }
712
713 check_code(){
714 log check_code "$@"
715 check=$1
716 headers=$2
717 code=$3
718 shift 3
719 {
720 for hdr in $headers; do
721 echo "#include <$hdr>"
722 done
723 echo "int main(void) { $code; return 0; }"
724 } | check_$check "$@"
725 }
726
727 check_cppflags(){
728 log check_cppflags "$@"
729 check_cc "$@" <<EOF && append CPPFLAGS "$@"
730 int x;
731 EOF
732 }
733
734 check_cflags(){
735 log check_cflags "$@"
736 set -- $($cflags_filter "$@")
737 check_cc "$@" <<EOF && append CFLAGS "$@"
738 int x;
739 EOF
740 }
741
742 test_ldflags(){
743 log test_ldflags "$@"
744 check_ld "$@" <<EOF
745 int main(void){ return 0; }
746 EOF
747 }
748
749 check_ldflags(){
750 log check_ldflags "$@"
751 test_ldflags "$@" && add_ldflags "$@"
752 }
753
754 check_header(){
755 log check_header "$@"
756 header=$1
757 shift
758 disable_safe $header
759 check_cpp "$@" <<EOF && enable_safe $header
760 #include <$header>
761 int x;
762 EOF
763 }
764
765 check_func(){
766 log check_func "$@"
767 func=$1
768 shift
769 disable $func
770 check_ld "$@" <<EOF && enable $func
771 extern int $func();
772 int main(void){ $func(); }
773 EOF
774 }
775
776 check_mathfunc(){
777 log check_mathfunc "$@"
778 func=$1
779 shift
780 disable $func
781 check_ld "$@" <<EOF && enable $func
782 #include <math.h>
783 float foo(float f) { return $func(f); }
784 int main(void){ return 0; }
785 EOF
786 }
787
788 check_func_headers(){
789 log check_func_headers "$@"
790 headers=$1
791 funcs=$2
792 shift 2
793 {
794 for hdr in $headers; do
795 echo "#include <$hdr>"
796 done
797 for func in $funcs; do
798 echo "long check_$func(void) { return (long) $func; }"
799 done
800 echo "int main(void) { return 0; }"
801 } | check_ld "$@" && enable $funcs && enable_safe $headers
802 }
803
804 check_cpp_condition(){
805 log check_cpp_condition "$@"
806 header=$1
807 condition=$2
808 shift 2
809 check_cpp "$@" <<EOF
810 #include <$header>
811 #if !($condition)
812 #error "unsatisfied condition: $condition"
813 #endif
814 EOF
815 }
816
817 check_lib(){
818 log check_lib "$@"
819 header="$1"
820 func="$2"
821 shift 2
822 check_header $header && check_func $func "$@" && add_extralibs "$@"
823 }
824
825 check_lib2(){
826 log check_lib2 "$@"
827 headers="$1"
828 funcs="$2"
829 shift 2
830 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
831 }
832
833 check_pkg_config(){
834 log check_pkg_config "$@"
835 pkg="$1"
836 headers="$2"
837 funcs="$3"
838 shift 3
839 $pkg_config --exists $pkg || return
840 pkg_cflags=$($pkg_config --cflags $pkg)
841 pkg_libs=$($pkg_config --libs $pkg)
842 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
843 set_safe ${pkg}_cflags $pkg_cflags &&
844 set_safe ${pkg}_libs $pkg_libs
845 }
846
847 check_exec(){
848 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
849 }
850
851 check_exec_crash(){
852 code=$(cat)
853
854 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
855 # are safe but may not be available everywhere. Thus we use
856 # raise(SIGTERM) instead. The check is run in a subshell so we
857 # can redirect the "Terminated" message from the shell. SIGBUS
858 # is not defined by standard C so it is used conditionally.
859
860 (check_exec "$@") >> $logfile 2>&1 <<EOF
861 #include <signal.h>
862 static void sighandler(int sig){
863 raise(SIGTERM);
864 }
865 int main(void){
866 signal(SIGILL, sighandler);
867 signal(SIGFPE, sighandler);
868 signal(SIGSEGV, sighandler);
869 #ifdef SIGBUS
870 signal(SIGBUS, sighandler);
871 #endif
872 { $code }
873 }
874 EOF
875 }
876
877 check_type(){
878 log check_type "$@"
879 headers=$1
880 type=$2
881 shift 2
882 disable_safe "$type"
883 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
884 }
885
886 check_struct(){
887 log check_type "$@"
888 headers=$1
889 struct=$2
890 member=$3
891 shift 3
892 disable_safe "${struct}_${member}"
893 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
894 enable_safe "${struct}_${member}"
895 }
896
897 require(){
898 name="$1"
899 header="$2"
900 func="$3"
901 shift 3
902 check_lib $header $func "$@" || die "ERROR: $name not found"
903 }
904
905 require2(){
906 name="$1"
907 headers="$2"
908 func="$3"
909 shift 3
910 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
911 }
912
913 require_pkg_config(){
914 pkg="$1"
915 check_pkg_config "$@" || die "ERROR: $pkg not found"
916 add_cflags $(get_safe ${pkg}_cflags)
917 add_extralibs $(get_safe ${pkg}_libs)
918 }
919
920 hostcc_o(){
921 eval printf '%s\\n' $HOSTCC_O
922 }
923
924 check_host_cc(){
925 log check_host_cc "$@"
926 cat > $TMPC
927 log_file $TMPC
928 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
929 }
930
931 check_host_cflags(){
932 log check_host_cflags "$@"
933 set -- $($host_cflags_filter "$@")
934 check_host_cc "$@" <<EOF && append host_cflags "$@"
935 int x;
936 EOF
937 }
938
939 apply(){
940 file=$1
941 shift
942 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
943 }
944
945 cp_if_changed(){
946 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
947 mkdir -p "$(dirname $2)"
948 cp -f "$1" "$2"
949 }
950
951 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
952 # system-dependent things.
953
954 COMPONENT_LIST="
955 bsfs
956 decoders
957 demuxers
958 encoders
959 filters
960 hwaccels
961 indevs
962 muxers
963 outdevs
964 parsers
965 protocols
966 "
967
968 PROGRAM_LIST="
969 avconv
970 avplay
971 avprobe
972 avserver
973 "
974
975 CONFIG_LIST="
976 $COMPONENT_LIST
977 $PROGRAM_LIST
978 avcodec
979 avdevice
980 avfilter
981 avformat
982 avresample
983 avisynth
984 bzlib
985 dct
986 doc
987 dwt
988 dxva2
989 fft
990 frei0r
991 gnutls
992 gpl
993 gray
994 hardcoded_tables
995 libcdio
996 libdc1394
997 libfaac
998 libfdk_aac
999 libfreetype
1000 libgsm
1001 libilbc
1002 libmp3lame
1003 libopencore_amrnb
1004 libopencore_amrwb
1005 libopencv
1006 libopenjpeg
1007 libpulse
1008 librtmp
1009 libschroedinger
1010 libspeex
1011 libtheora
1012 libvo_aacenc
1013 libvo_amrwbenc
1014 libvorbis
1015 libvpx
1016 libx264
1017 libxavs
1018 libxvid
1019 lsp
1020 mdct
1021 memalign_hack
1022 network
1023 nonfree
1024 openssl
1025 pic
1026 rdft
1027 runtime_cpudetect
1028 safe_bitstream_reader
1029 shared
1030 small
1031 sram
1032 static
1033 swscale
1034 swscale_alpha
1035 thumb
1036 vaapi
1037 vda
1038 vdpau
1039 version3
1040 xmm_clobber_test
1041 x11grab
1042 zlib
1043 "
1044
1045 THREADS_LIST='
1046 pthreads
1047 w32threads
1048 '
1049
1050 ARCH_LIST='
1051 alpha
1052 arm
1053 avr32
1054 avr32_ap
1055 avr32_uc
1056 bfin
1057 ia64
1058 m68k
1059 mips
1060 mips64
1061 parisc
1062 ppc
1063 ppc64
1064 s390
1065 sh4
1066 sparc
1067 sparc64
1068 tomi
1069 x86
1070 x86_32
1071 x86_64
1072 '
1073
1074 ARCH_EXT_LIST_X86='
1075 amd3dnow
1076 amd3dnowext
1077 avx
1078 fma4
1079 mmx
1080 mmxext
1081 sse
1082 sse2
1083 sse3
1084 sse4
1085 sse42
1086 ssse3
1087 '
1088
1089 ARCH_EXT_LIST="
1090 $ARCH_EXT_LIST_X86
1091 altivec
1092 armv5te
1093 armv6
1094 armv6t2
1095 armvfp
1096 mmi
1097 neon
1098 ppc4xx
1099 vfpv3
1100 vis
1101 "
1102
1103 HAVE_LIST_PUB='
1104 bigendian
1105 fast_unaligned
1106 '
1107
1108 HAVE_LIST="
1109 $ARCH_EXT_LIST
1110 $(add_suffix _external $ARCH_EXT_LIST)
1111 $(add_suffix _inline $ARCH_EXT_LIST)
1112 $HAVE_LIST_PUB
1113 $THREADS_LIST
1114 aligned_malloc
1115 aligned_stack
1116 alsa_asoundlib_h
1117 altivec_h
1118 arpa_inet_h
1119 asm_mod_q
1120 asm_mod_y
1121 attribute_may_alias
1122 attribute_packed
1123 cbrtf
1124 closesocket
1125 cmov
1126 cpuid
1127 cpunop
1128 dcbzl
1129 dev_bktr_ioctl_bt848_h
1130 dev_bktr_ioctl_meteor_h
1131 dev_ic_bt8xx_h
1132 dev_video_bktr_ioctl_bt848_h
1133 dev_video_meteor_ioctl_meteor_h
1134 dlfcn_h
1135 dlopen
1136 dos_paths
1137 dxva_h
1138 ebp_available
1139 ebx_available
1140 exp2
1141 exp2f
1142 fast_64bit
1143 fast_clz
1144 fast_cmov
1145 fcntl
1146 fork
1147 getaddrinfo
1148 gethrtime
1149 getopt
1150 GetProcessAffinityMask
1151 GetProcessMemoryInfo
1152 GetProcessTimes
1153 GetSystemTimeAsFileTime
1154 getrusage
1155 gettimeofday
1156 gnu_as
1157 ibm_asm
1158 inet_aton
1159 inline_asm
1160 io_h
1161 isatty
1162 isinf
1163 isnan
1164 jack_port_get_latency_range
1165 ldbrx
1166 libdc1394_1
1167 libdc1394_2
1168 llrint
1169 llrintf
1170 local_aligned_16
1171 local_aligned_8
1172 localtime_r
1173 log2
1174 log2f
1175 loongson
1176 lrint
1177 lrintf
1178 machine_ioctl_bt848_h
1179 machine_ioctl_meteor_h
1180 malloc_h
1181 MapViewOfFile
1182 memalign
1183 mkstemp
1184 mm_empty
1185 mmap
1186 msvcrt
1187 nanosleep
1188 poll_h
1189 posix_memalign
1190 rdtsc
1191 rint
1192 round
1193 roundf
1194 rweflags
1195 sched_getaffinity
1196 sdl
1197 sdl_video_size
1198 setmode
1199 setrlimit
1200 Sleep
1201 sndio_h
1202 socklen_t
1203 soundcard_h
1204 strerror_r
1205 strptime
1206 strtok_r
1207 struct_addrinfo
1208 struct_group_source_req
1209 struct_ip_mreq_source
1210 struct_ipv6_mreq
1211 struct_pollfd
1212 struct_rusage_ru_maxrss
1213 struct_sockaddr_in6
1214 struct_sockaddr_sa_len
1215 struct_sockaddr_storage
1216 struct_v4l2_frmivalenum_discrete
1217 symver
1218 symver_asm_label
1219 symver_gnu_asm
1220 sysconf
1221 sysctl
1222 sys_mman_h
1223 sys_param_h
1224 sys_resource_h
1225 sys_select_h
1226 sys_soundcard_h
1227 sys_time_h
1228 sys_videoio_h
1229 threads
1230 trunc
1231 truncf
1232 unistd_h
1233 usleep
1234 vfp_args
1235 VirtualAlloc
1236 windows_h
1237 winsock2_h
1238 xform_asm
1239 xgetbv
1240 xmm_clobbers
1241 yasm
1242 "
1243
1244 # options emitted with CONFIG_ prefix but not available on command line
1245 CONFIG_EXTRA="
1246 aandcttables
1247 ac3dsp
1248 avutil
1249 error_resilience
1250 gcrypt
1251 golomb
1252 gplv3
1253 h264chroma
1254 h264dsp
1255 h264pred
1256 h264qpel
1257 huffman
1258 lgplv3
1259 lpc
1260 mpegaudiodsp
1261 mpegvideo
1262 mpegvideoenc
1263 nettle
1264 rangecoder
1265 rtpdec
1266 sinewin
1267 vp3dsp
1268 "
1269
1270 CMDLINE_SELECT="
1271 $ARCH_EXT_LIST
1272 $CONFIG_LIST
1273 $THREADS_LIST
1274 asm
1275 cross_compile
1276 debug
1277 extra_warnings
1278 logging
1279 optimizations
1280 symver
1281 yasm
1282 "
1283
1284 PATHS_LIST='
1285 bindir
1286 datadir
1287 incdir
1288 libdir
1289 mandir
1290 prefix
1291 shlibdir
1292 '
1293
1294 CMDLINE_SET="
1295 $PATHS_LIST
1296 ar
1297 arch
1298 as
1299 build_suffix
1300 cc
1301 cpu
1302 cross_prefix
1303 dep_cc
1304 extra_version
1305 host_cc
1306 host_cflags
1307 host_ld
1308 host_ldflags
1309 host_libs
1310 host_os
1311 ld
1312 logfile
1313 malloc_prefix
1314 nm
1315 optflags
1316 pkg_config
1317 random_seed
1318 samples
1319 sysinclude
1320 sysroot
1321 target_exec
1322 target_os
1323 target_path
1324 "
1325
1326 CMDLINE_APPEND="
1327 extra_cflags
1328 "
1329
1330 # code dependency declarations
1331
1332 # architecture extensions
1333
1334 armv5te_deps="arm"
1335 armv6_deps="arm"
1336 armv6t2_deps="arm"
1337 armvfp_deps="arm"
1338 neon_deps="arm"
1339 vfpv3_deps="armvfp"
1340
1341 mmi_deps="mips"
1342
1343 altivec_deps="ppc"
1344 ppc4xx_deps="ppc"
1345
1346 vis_deps="sparc"
1347
1348 x86_64_suggest="cmov fast_cmov"
1349
1350 amd3dnow_deps="mmx"
1351 amd3dnowext_deps="amd3dnow"
1352 mmx_deps="x86"
1353 mmxext_deps="mmx"
1354 sse_deps="mmxext"
1355 sse2_deps="sse"
1356 sse3_deps="sse2"
1357 ssse3_deps="sse3"
1358 sse4_deps="ssse3"
1359 sse42_deps="sse4"
1360 avx_deps="sse42"
1361 fma4_deps="avx"
1362
1363 mmx_external_deps="yasm"
1364 mmx_inline_deps="inline_asm"
1365 mmx_suggest="mmx_external mmx_inline"
1366
1367 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1368 eval dep=\$${ext}_deps
1369 eval ${ext}_external_deps='"${dep}_external"'
1370 eval ${ext}_inline_deps='"${dep}_inline"'
1371 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1372 done
1373
1374 aligned_stack_if_any="ppc x86"
1375 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1376 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1377 fast_unaligned_if_any="armv6 ppc x86"
1378
1379 inline_asm_deps="!tms470"
1380 need_memalign="altivec neon sse"
1381
1382 symver_if_any="symver_asm_label symver_gnu_asm"
1383
1384 # subsystems
1385 dct_select="rdft"
1386 mdct_select="fft"
1387 rdft_select="fft"
1388 mpegaudiodsp_select="dct"
1389 mpegvideoenc_select="mpegvideo"
1390
1391 # decoders / encoders / hardware accelerators
1392 aac_decoder_select="mdct sinewin"
1393 aac_encoder_select="mdct sinewin"
1394 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1395 ac3_decoder_select="mdct ac3dsp ac3_parser"
1396 ac3_encoder_select="mdct ac3dsp"
1397 ac3_fixed_encoder_select="mdct ac3dsp"
1398 alac_encoder_select="lpc"
1399 amrnb_decoder_select="lsp"
1400 amrwb_decoder_select="lsp"
1401 atrac1_decoder_select="mdct sinewin"
1402 atrac3_decoder_select="mdct"
1403 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1404 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1405 cavs_decoder_select="golomb mpegvideo"
1406 cook_decoder_select="mdct sinewin"
1407 cscd_decoder_suggest="zlib"
1408 dca_decoder_select="mdct"
1409 dnxhd_encoder_select="aandcttables mpegvideoenc"
1410 dxa_decoder_select="zlib"
1411 eac3_decoder_select="ac3_decoder"
1412 eac3_encoder_select="ac3_encoder"
1413 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1414 eatgq_decoder_select="aandcttables"
1415 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1416 ffv1_decoder_select="golomb rangecoder"
1417 ffv1_encoder_select="rangecoder"
1418 ffvhuff_encoder_select="huffman"
1419 flac_decoder_select="golomb"
1420 flac_encoder_select="golomb lpc"
1421 flashsv_decoder_select="zlib"
1422 flashsv_encoder_select="zlib"
1423 flashsv2_decoder_select="zlib"
1424 flv_decoder_select="h263_decoder"
1425 flv_encoder_select="h263_encoder"
1426 fraps_decoder_select="huffman"
1427 h261_decoder_select="error_resilience mpegvideo"
1428 h261_encoder_select="aandcttables mpegvideoenc"
1429 h263_decoder_select="error_resilience h263_parser mpegvideo"
1430 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1431 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1432 h263i_decoder_select="h263_decoder"
1433 h263p_encoder_select="h263_encoder"
1434 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1435 h264_dxva2_hwaccel_deps="dxva2api_h"
1436 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1437 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1438 h264_vda_hwaccel_select="vda h264_decoder"
1439 h264_vdpau_decoder_select="vdpau h264_decoder"
1440 huffyuv_encoder_select="huffman"
1441 iac_decoder_select="fft mdct sinewin"
1442 imc_decoder_select="fft mdct sinewin"
1443 jpegls_decoder_select="golomb"
1444 jpegls_encoder_select="golomb"
1445 ljpeg_encoder_select="aandcttables mpegvideoenc"
1446 loco_decoder_select="golomb"
1447 mdec_decoder_select="error_resilience mpegvideo"
1448 mjpeg_encoder_select="aandcttables mpegvideoenc"
1449 mlp_decoder_select="mlp_parser"
1450 mp1_decoder_select="mpegaudiodsp"
1451 mp1float_decoder_select="mpegaudiodsp"
1452 mp2_decoder_select="mpegaudiodsp"
1453 mp2float_decoder_select="mpegaudiodsp"
1454 mp3_decoder_select="mpegaudiodsp"
1455 mp3adu_decoder_select="mpegaudiodsp"
1456 mp3adufloat_decoder_select="mpegaudiodsp"
1457 mp3float_decoder_select="mpegaudiodsp"
1458 mp3on4_decoder_select="mpegaudiodsp"
1459 mp3on4float_decoder_select="mpegaudiodsp"
1460 mpc7_decoder_select="mpegaudiodsp"
1461 mpc8_decoder_select="mpegaudiodsp"
1462 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1463 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1464 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1465 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1466 mpeg1video_decoder_select="error_resilience mpegvideo"
1467 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1468 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1469 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1470 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1471 mpeg2video_decoder_select="error_resilience mpegvideo"
1472 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1473 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1474 mpeg4_encoder_select="h263_encoder"
1475 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1476 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1477 msmpeg4v1_decoder_select="h263_decoder"
1478 msmpeg4v1_encoder_select="h263_encoder"
1479 msmpeg4v2_decoder_select="h263_decoder"
1480 msmpeg4v2_encoder_select="h263_encoder"
1481 msmpeg4v3_decoder_select="h263_decoder"
1482 msmpeg4v3_encoder_select="h263_encoder"
1483 mss2_decoder_select="vc1_decoder"
1484 nellymoser_decoder_select="mdct sinewin"
1485 nellymoser_encoder_select="mdct sinewin"
1486 png_decoder_select="zlib"
1487 png_encoder_select="zlib"
1488 qcelp_decoder_select="lsp"
1489 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1490 ra_144_encoder_select="lpc"
1491 ralf_decoder_select="golomb"
1492 rv10_decoder_select="h263_decoder"
1493 rv10_encoder_select="h263_encoder"
1494 rv20_decoder_select="h263_decoder"
1495 rv20_encoder_select="h263_encoder"
1496 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1497 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1498 shorten_decoder_select="golomb"
1499 sipr_decoder_select="lsp"
1500 snow_decoder_select="dwt rangecoder"
1501 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1502 svq1_decoder_select="error_resilience mpegvideo"
1503 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1504 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1505 svq3_decoder_suggest="zlib"
1506 theora_decoder_select="vp3_decoder"
1507 tiff_decoder_suggest="zlib"
1508 tiff_encoder_suggest="zlib"
1509 truehd_decoder_select="mlp_decoder"
1510 tscc_decoder_select="zlib"
1511 twinvq_decoder_select="mdct lsp sinewin"
1512 utvideo_encoder_select="huffman"
1513 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1514 vc1_dxva2_hwaccel_deps="dxva2api_h"
1515 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1516 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1517 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1518 vc1image_decoder_select="vc1_decoder"
1519 vorbis_decoder_select="mdct"
1520 vorbis_encoder_select="mdct"
1521 vp3_decoder_select="vp3dsp"
1522 vp5_decoder_select="vp3dsp"
1523 vp6_decoder_select="huffman vp3dsp"
1524 vp6a_decoder_select="vp6_decoder"
1525 vp6f_decoder_select="vp6_decoder"
1526 vp8_decoder_select="h264pred h264qpel"
1527 wmapro_decoder_select="mdct sinewin"
1528 wmav1_decoder_select="mdct sinewin"
1529 wmav1_encoder_select="mdct sinewin"
1530 wmav2_decoder_select="mdct sinewin"
1531 wmav2_encoder_select="mdct sinewin"
1532 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1533 wmv1_decoder_select="h263_decoder"
1534 wmv1_encoder_select="h263_encoder"
1535 wmv2_decoder_select="h263_decoder"
1536 wmv2_encoder_select="h263_encoder"
1537 wmv3_decoder_select="vc1_decoder"
1538 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1539 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1540 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1541 wmv3image_decoder_select="wmv3_decoder"
1542 zerocodec_decoder_select="zlib"
1543 zlib_decoder_select="zlib"
1544 zlib_encoder_select="zlib"
1545 zmbv_decoder_select="zlib"
1546 zmbv_encoder_select="zlib"
1547
1548 vaapi_deps="va_va_h"
1549 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1550 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1551
1552 # parsers
1553 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1554 mpeg4video_parser_select="error_resilience mpegvideo"
1555 mpegvideo_parser_select="error_resilience mpegvideo"
1556 vc1_parser_select="error_resilience mpegvideo"
1557
1558 # external libraries
1559 libfaac_encoder_deps="libfaac"
1560 libfdk_aac_encoder_deps="libfdk_aac"
1561 libgsm_decoder_deps="libgsm"
1562 libgsm_encoder_deps="libgsm"
1563 libgsm_ms_decoder_deps="libgsm"
1564 libgsm_ms_encoder_deps="libgsm"
1565 libilbc_decoder_deps="libilbc"
1566 libilbc_encoder_deps="libilbc"
1567 libmp3lame_encoder_deps="libmp3lame"
1568 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1569 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1570 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1571 libopenjpeg_decoder_deps="libopenjpeg"
1572 libopenjpeg_encoder_deps="libopenjpeg"
1573 libschroedinger_decoder_deps="libschroedinger"
1574 libschroedinger_encoder_deps="libschroedinger"
1575 libspeex_decoder_deps="libspeex"
1576 libspeex_encoder_deps="libspeex"
1577 libtheora_encoder_deps="libtheora"
1578 libvo_aacenc_encoder_deps="libvo_aacenc"
1579 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1580 libvorbis_encoder_deps="libvorbis"
1581 libvpx_decoder_deps="libvpx"
1582 libvpx_encoder_deps="libvpx"
1583 libx264_encoder_deps="libx264"
1584 libxavs_encoder_deps="libxavs"
1585 libxvid_encoder_deps="libxvid"
1586
1587 # demuxers / muxers
1588 ac3_demuxer_select="ac3_parser"
1589 asf_stream_muxer_select="asf_muxer"
1590 avisynth_demuxer_deps="avisynth"
1591 dirac_demuxer_select="dirac_parser"
1592 eac3_demuxer_select="ac3_parser"
1593 flac_demuxer_select="flac_parser"
1594 ipod_muxer_select="mov_muxer"
1595 matroska_audio_muxer_select="matroska_muxer"
1596 matroska_demuxer_suggest="zlib bzlib"
1597 mov_demuxer_suggest="zlib"
1598 mp3_demuxer_select="mpegaudio_parser"
1599 mp4_muxer_select="mov_muxer"
1600 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1601 mpegtsraw_demuxer_select="mpegts_demuxer"
1602 mxf_d10_muxer_select="mxf_muxer"
1603 ogg_demuxer_select="golomb"
1604 psp_muxer_select="mov_muxer"
1605 rtp_demuxer_select="sdp_demuxer"
1606 rtp_muxer_select="mpegvideo"
1607 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1608 rtsp_demuxer_select="http_protocol rtpdec"
1609 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1610 sap_demuxer_select="sdp_demuxer"
1611 sap_muxer_select="rtp_muxer rtp_protocol"
1612 sdp_demuxer_select="rtpdec"
1613 spdif_muxer_select="aac_parser"
1614 tg2_muxer_select="mov_muxer"
1615 tgp_muxer_select="mov_muxer"
1616 w64_demuxer_deps="wav_demuxer"
1617
1618 # indevs / outdevs
1619 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1620 alsa_outdev_deps="alsa_asoundlib_h"
1621 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1622 dv1394_indev_deps="dv1394 dv_demuxer"
1623 fbdev_indev_deps="linux_fb_h"
1624 jack_indev_deps="jack_jack_h"
1625 libcdio_indev_deps="libcdio"
1626 libdc1394_indev_deps="libdc1394"
1627 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1628 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1629 pulse_indev_deps="libpulse"
1630 sndio_indev_deps="sndio_h"
1631 sndio_outdev_deps="sndio_h"
1632 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1633 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1634 vfwcap_indev_extralibs="-lavicap32"
1635 x11grab_indev_deps="x11grab XShmCreateImage"
1636
1637 # protocols
1638 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1639 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1640 ffrtmpcrypt_protocol_select="tcp_protocol"
1641 ffrtmphttp_protocol_deps="!librtmp_protocol"
1642 ffrtmphttp_protocol_select="http_protocol"
1643 gopher_protocol_deps="network"
1644 httpproxy_protocol_deps="network"
1645 httpproxy_protocol_select="tcp_protocol"
1646 http_protocol_deps="network"
1647 http_protocol_select="tcp_protocol"
1648 https_protocol_select="tls_protocol"
1649 librtmp_protocol_deps="librtmp"
1650 librtmpe_protocol_deps="librtmp"
1651 librtmps_protocol_deps="librtmp"
1652 librtmpt_protocol_deps="librtmp"
1653 librtmpte_protocol_deps="librtmp"
1654 mmsh_protocol_select="http_protocol"
1655 mmst_protocol_deps="network"
1656 rtmp_protocol_deps="!librtmp_protocol"
1657 rtmp_protocol_select="tcp_protocol"
1658 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1659 rtmps_protocol_deps="!librtmp_protocol"
1660 rtmps_protocol_select="tls_protocol"
1661 rtmpt_protocol_select="ffrtmphttp_protocol"
1662 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1663 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1664 rtp_protocol_select="udp_protocol"
1665 sctp_protocol_deps="network struct_sctp_event_subscribe"
1666 tcp_protocol_deps="network"
1667 tls_protocol_deps_any="openssl gnutls"
1668 tls_protocol_select="tcp_protocol"
1669 udp_protocol_deps="network"
1670
1671 # filters
1672 blackframe_filter_deps="gpl"
1673 boxblur_filter_deps="gpl"
1674 cropdetect_filter_deps="gpl"
1675 delogo_filter_deps="gpl"
1676 drawtext_filter_deps="libfreetype"
1677 frei0r_filter_deps="frei0r dlopen strtok_r"
1678 frei0r_filter_extralibs='$ldl'
1679 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1680 frei0r_src_filter_extralibs='$ldl'
1681 hqdn3d_filter_deps="gpl"
1682 resample_filter_deps="avresample"
1683 ocv_filter_deps="libopencv"
1684 scale_filter_deps="swscale"
1685 yadif_filter_deps="gpl"
1686
1687 # libraries
1688 avdevice_deps="avcodec avformat"
1689 avformat_deps="avcodec"
1690
1691 # programs
1692 avconv_deps="avcodec avfilter avformat avresample swscale
1693 aformat_filter asyncts_filter
1694 format_filter fps_filter scale_filter setpts_filter"
1695 avplay_deps="avcodec avformat swscale sdl"
1696 avplay_select="rdft"
1697 avprobe_deps="avcodec avformat"
1698 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1699 avserver_extralibs='$ldl'
1700
1701 doc_deps="texi2html"
1702
1703 # tests
1704
1705 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1706 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1707
1708 test_deps(){
1709 suf1=$1
1710 suf2=$2
1711 shift 2
1712 for v; do
1713 dep=${v%=*}
1714 tests=${v#*=}
1715 for name in ${tests}; do
1716 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1717 done
1718 done
1719 }
1720
1721 test_deps _muxer _demuxer \
1722 aiff \
1723 pcm_alaw=alaw \
1724 asf \
1725 au \
1726 avi \
1727 dv=dv_fmt \
1728 ffm \
1729 flv=flv_fmt \
1730 gxf \
1731 matroska=mkv \
1732 mmf \
1733 mov \
1734 pcm_mulaw=mulaw \
1735 mxf="mxf mxf_d10" \
1736 nut \
1737 ogg \
1738 rawvideo=pixfmt \
1739 rm \
1740 swf \
1741 mpegts=ts \
1742 voc \
1743 wav \
1744 yuv4mpegpipe=yuv4mpeg \
1745
1746 # default parameters
1747
1748 logfile="config.log"
1749
1750 # installation paths
1751 prefix_default="/usr/local"
1752 bindir_default='${prefix}/bin'
1753 datadir_default='${prefix}/share/avconv'
1754 incdir_default='${prefix}/include'
1755 libdir_default='${prefix}/lib'
1756 mandir_default='${prefix}/share/man'
1757 shlibdir_default="$libdir_default"
1758
1759 # toolchain
1760 ar_default="ar"
1761 cc_default="gcc"
1762 host_cc_default="gcc"
1763 ln_s="ln -sf"
1764 nm_default="nm"
1765 objformat="elf"
1766 pkg_config_default=pkg-config
1767 ranlib="ranlib"
1768 yasmexe="yasm"
1769
1770 nm_opts='-g'
1771 nogas=":"
1772
1773 # machine
1774 arch_default=$(uname -m)
1775 cpu="generic"
1776
1777 # OS
1778 target_os_default=$(tolower $(uname -s))
1779 host_os=$target_os_default
1780
1781 # configurable options
1782 enable $PROGRAM_LIST
1783
1784 enable avcodec
1785 enable avdevice
1786 enable avfilter
1787 enable avformat
1788 enable avresample
1789 enable avutil
1790 enable swscale
1791
1792 enable asm
1793 enable debug
1794 enable doc
1795 enable network
1796 enable optimizations
1797 enable safe_bitstream_reader
1798 enable static
1799 enable swscale_alpha
1800
1801 # build settings
1802 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1803 AVSERVERLDFLAGS=-Wl,-E
1804 LIBPREF="lib"
1805 LIBSUF=".a"
1806 FULLNAME='$(NAME)$(BUILDSUF)'
1807 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1808 SLIBPREF="lib"
1809 SLIBSUF=".so"
1810 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1811 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1812 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1813 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1814 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1815 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1816
1817 asflags_filter=echo
1818 cflags_filter=echo
1819 ldflags_filter=echo
1820
1821 AS_C='-c'
1822 AS_O='-o $@'
1823 CC_C='-c'
1824 CC_E='-E -o $@'
1825 CC_O='-o $@'
1826 LD_O='-o $@'
1827 LD_LIB='-l%'
1828 LD_PATH='-L'
1829 HOSTCC_C='-c'
1830 HOSTCC_O='-o $@'
1831 HOSTLD_O='-o $@'
1832
1833 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1834 host_libs='-lm'
1835 host_cflags_filter=echo
1836 host_ldflags_filter=echo
1837
1838 target_path='$(CURDIR)'
1839
1840 # since the object filename is not given with the -MM flag, the compiler
1841 # is only able to print the basename, and we must add the path ourselves
1842 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1843 DEPFLAGS='-MM'
1844
1845 # find source path
1846 if test -f configure; then
1847 source_path=.
1848 else
1849 source_path=$(cd $(dirname "$0"); pwd)
1850 echo "$source_path" | grep -q '[[:blank:]]' &&
1851 die "Out of tree builds are impossible with whitespace in source path."
1852 test -e "$source_path/config.h" &&
1853 die "Out of tree builds are impossible with config.h in source dir."
1854 fi
1855
1856 for v in "$@"; do
1857 r=${v#*=}
1858 l=${v%"$r"}
1859 r=$(sh_quote "$r")
1860 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1861 done
1862
1863 find_things(){
1864 thing=$1
1865 pattern=$2
1866 file=$source_path/$3
1867 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1868 }
1869
1870 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1871 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1872 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1873 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1874 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1875 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1876 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1877 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1878 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1879 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1880 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1881
1882 ALL_COMPONENTS="
1883 $BSF_LIST
1884 $DECODER_LIST
1885 $DEMUXER_LIST
1886 $ENCODER_LIST
1887 $FILTER_LIST
1888 $HWACCEL_LIST
1889 $INDEV_LIST
1890 $MUXER_LIST
1891 $OUTDEV_LIST
1892 $PARSER_LIST
1893 $PROTOCOL_LIST
1894 "
1895
1896 find_tests(){
1897 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1898 }
1899
1900 LAVF_TESTS=$(find_tests lavf)
1901 LAVFI_TESTS=$(find_tests lavfi)
1902 SEEK_TESTS=$(find_tests seek seek_)
1903
1904 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1905
1906 for n in $COMPONENT_LIST; do
1907 v=$(toupper ${n%s})_LIST
1908 eval enable \$$v
1909 eval ${n}_if_any="\$$v"
1910 done
1911
1912 enable $ARCH_EXT_LIST $ALL_TESTS
1913
1914 die_unknown(){
1915 echo "Unknown option \"$1\"."
1916 echo "See $0 --help for available options."
1917 exit 1
1918 }
1919
1920 show_list() {
1921 suffix=_$1
1922 shift
1923 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1924 exit 0
1925 }
1926
1927 rand_list(){
1928 IFS=', '
1929 set -- $*
1930 unset IFS
1931 for thing; do
1932 comp=${thing%:*}
1933 prob=${thing#$comp}
1934 prob=${prob#:}
1935 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1936 echo "prob ${prob:-0.5}"
1937 printf '%s\n' $comp
1938 done
1939 }
1940
1941 do_random(){
1942 action=$1
1943 shift
1944 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1945 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1946 }
1947
1948 for opt do
1949 optval="${opt#*=}"
1950 case "$opt" in
1951 --extra-ldflags=*) add_ldflags $optval
1952 ;;
1953 --extra-libs=*) add_extralibs $optval
1954 ;;
1955 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1956 ;;
1957 --enable-debug=*) debuglevel="$optval"
1958 ;;
1959 --disable-everything)
1960 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1961 ;;
1962 --enable-random|--disable-random)
1963 action=${opt%%-random}
1964 do_random ${action#--} $COMPONENT_LIST
1965 ;;
1966 --enable-random=*|--disable-random=*)
1967 action=${opt%%-random=*}
1968 do_random ${action#--} $optval
1969 ;;
1970 --enable-*=*|--disable-*=*)
1971 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1972 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1973 eval list=\$$(toupper $thing)_LIST
1974 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1975 $action $(filter "$name" $list)
1976 ;;
1977 --enable-?*|--disable-?*)
1978 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1979 if is_in $option $COMPONENT_LIST; then
1980 test $action = disable && action=unset
1981 eval $action \$$(toupper ${option%s})_LIST
1982 elif is_in $option $CMDLINE_SELECT; then
1983 $action $option
1984 else
1985 die_unknown $opt
1986 fi
1987 ;;
1988 --list-*)
1989 NAME="${opt#--list-}"
1990 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1991 NAME=${NAME%s}
1992 eval show_list $NAME \$$(toupper $NAME)_LIST
1993 ;;
1994 --help|-h) show_help
1995 ;;
1996 *)
1997 optname="${opt%%=*}"
1998 optname="${optname#--}"
1999 optname=$(echo "$optname" | sed 's/-/_/g')
2000 if is_in $optname $CMDLINE_SET; then
2001 eval $optname='$optval'
2002 elif is_in $optname $CMDLINE_APPEND; then
2003 append $optname "$optval"
2004 else
2005 die_unknown $opt
2006 fi
2007 ;;
2008 esac
2009 done
2010
2011 disabled logging && logfile=/dev/null
2012
2013 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2014 set >> $logfile
2015
2016 test -n "$cross_prefix" && enable cross_compile
2017
2018 if enabled cross_compile; then
2019 test -n "$arch" && test -n "$target_os" ||
2020 die "Must specify target arch and OS when cross-compiling"
2021 fi
2022
2023 set_default arch target_os
2024
2025 ar_default="${cross_prefix}${ar_default}"
2026 cc_default="${cross_prefix}${cc_default}"
2027 nm_default="${cross_prefix}${nm_default}"
2028 pkg_config_default="${cross_prefix}${pkg_config_default}"
2029 ranlib="${cross_prefix}${ranlib}"
2030
2031 sysinclude_default="${sysroot}/usr/include"
2032
2033 set_default cc nm pkg_config sysinclude
2034 enabled cross_compile || host_cc_default=$cc
2035 set_default host_cc
2036
2037 if ! $pkg_config --version >/dev/null 2>&1; then
2038 warn "$pkg_config not found, library detection may fail."
2039 pkg_config=false
2040 fi
2041
2042 exesuf() {
2043 case $1 in
2044 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2045 esac
2046 }
2047
2048 EXESUF=$(exesuf $target_os)
2049 HOSTEXESUF=$(exesuf $host_os)
2050
2051 # set temporary file name
2052 : ${TMPDIR:=$TEMPDIR}
2053 : ${TMPDIR:=$TMP}
2054 : ${TMPDIR:=/tmp}
2055
2056 if ! check_cmd mktemp -u XXXXXX; then
2057 # simple replacement for missing mktemp
2058 # NOT SAFE FOR GENERAL USE
2059 mktemp(){
2060 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2061 }
2062 fi
2063
2064 tmpfile(){
2065 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2066 (set -C; exec > $tmp) 2>/dev/null ||
2067 die "Unable to create temporary file in $TMPDIR."
2068 append TMPFILES $tmp
2069 eval $1=$tmp
2070 }
2071
2072 trap 'rm -f -- $TMPFILES' EXIT
2073
2074 tmpfile TMPASM .asm
2075 tmpfile TMPC .c
2076 tmpfile TMPE $EXESUF
2077 tmpfile TMPH .h
2078 tmpfile TMPO .o
2079 tmpfile TMPS .S
2080 tmpfile TMPSH .sh
2081 tmpfile TMPV .ver
2082
2083 unset -f mktemp
2084
2085 chmod +x $TMPE
2086
2087 # make sure we can execute files in $TMPDIR
2088 cat > $TMPSH 2>> $logfile <<EOF
2089 #! /bin/sh
2090 EOF
2091 chmod +x $TMPSH >> $logfile 2>&1
2092 if ! $TMPSH >> $logfile 2>&1; then
2093 cat <<EOF
2094 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2095 variable to another directory and make sure that it is not mounted noexec.
2096 EOF
2097 die "Sanity test failed."
2098 fi
2099
2100 pgi_flags(){
2101 for flag; do
2102 case $flag in
2103 -fomit-frame-pointer) echo -Mnoframe ;;
2104 -g) echo -gopt ;;
2105 *) echo $flag ;;
2106 esac
2107 done
2108 }
2109
2110 suncc_flags(){
2111 for flag; do
2112 case $flag in
2113 -march=*|-mcpu=*)
2114 case "${flag#*=}" in
2115 native) echo -xtarget=native ;;
2116 v9|niagara) echo -xarch=sparc ;;
2117 ultrasparc) echo -xarch=sparcvis ;;
2118 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2119 i586|pentium) echo -xchip=pentium ;;
2120 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2121 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2122 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2123 pentium4*) echo -xtarget=pentium4 ;;
2124 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2125 *-sse3) echo -xarch=sse3 ;;
2126 core2) echo -xarch=ssse3 -xchip=core2 ;;
2127 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2128 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2129 k8|opteron|athlon64|athlon-fx)
2130 echo -xarch=sse2a ;;
2131 athlon*) echo -xarch=pentium_proa ;;
2132 esac
2133 ;;
2134 -std=c99) echo -xc99 ;;
2135 -fomit-frame-pointer) echo -xregs=frameptr ;;
2136 -fPIC) echo -KPIC -xcode=pic32 ;;
2137 -W*,*) echo $flag ;;
2138 -f*-*|-W*) ;;
2139 *) echo $flag ;;
2140 esac
2141 done
2142 }
2143
2144 tms470_flags(){
2145 for flag; do
2146 case $flag in
2147 -march=*|-mcpu=*)
2148 case "${flag#*=}" in
2149 armv7-a|cortex-a*) echo -mv=7a8 ;;
2150 armv7-r|cortex-r*) echo -mv=7r4 ;;
2151 armv7-m|cortex-m*) echo -mv=7m3 ;;
2152 armv6*|arm11*) echo -mv=6 ;;
2153 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2154 echo -mv=5e ;;
2155 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2156 esac
2157 ;;
2158 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2159 -mfpu=vfp) echo --float_support=vfpv2 ;;
2160 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2161 -msoft-float) echo --float_support=vfplib ;;
2162 -O[0-3]|-mf=*) echo $flag ;;
2163 -g) echo -g -mn ;;
2164 -pds=*) echo $flag ;;
2165 -D*|-I*) echo $flag ;;
2166 --gcc|--abi=*) echo $flag ;;
2167 -me) echo $flag ;;
2168 esac
2169 done
2170 }
2171
2172 probe_cc(){
2173 pfx=$1
2174 _cc=$2
2175
2176 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2177 unset _ld_o _ldflags _ld_lib _ld_path
2178 unset _depflags _DEPCMD _DEPFLAGS
2179 _flags_filter=echo
2180
2181 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2182 _type=llvm_gcc
2183 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2184 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2185 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2186 _cflags_speed='-O3'
2187 _cflags_size='-Os'
2188 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2189 _type=gcc
2190 gcc_version=$($_cc --version | head -n1)
2191 gcc_basever=$($_cc -dumpversion)
2192 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2193 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2194 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2195 if ! $_cc -dumpversion | grep -q '^2\.'; then
2196 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2197 fi
2198 _cflags_speed='-O3'
2199 _cflags_size='-Os'
2200 elif $_cc --version 2>/dev/null | grep -q Intel; then
2201 _type=icc
2202 _ident=$($_cc --version | head -n1)
2203 _depflags='-MMD'
2204 _cflags_speed='-O3'
2205 _cflags_size='-Os'
2206 _cflags_noopt='-O1'
2207 elif $_cc -v 2>&1 | grep -q xlc; then
2208 _type=xlc
2209 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2210 _cflags_speed='-O5'
2211 _cflags_size='-O5 -qcompact'
2212 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2213 _type=ccc
2214 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2215 _DEPFLAGS='-M'
2216 debuglevel=3
2217 _ldflags='-Wl,-z,now' # calls to libots crash without this
2218 _cflags_speed='-fast'
2219 _cflags_size='-O1'
2220 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2221 test -d "$sysroot" || die "No valid sysroot specified."
2222 _type=armcc
2223 _ident=$($_cc --vsn | head -n1)
2224 armcc_conf="$PWD/armcc.conf"
2225 $_cc --arm_linux_configure \
2226 --arm_linux_config_file="$armcc_conf" \
2227 --configure_sysroot="$sysroot" \
2228 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2229 die "Error creating armcc configuration file."
2230 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2231 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2232 as_default="${cross_prefix}gcc"
2233 _depflags='-MMD'
2234 _cflags_speed='-O3'
2235 _cflags_size='-Os'
2236 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2237 _type=tms470
2238 _ident=$($_cc -version | head -n1 | tr -s ' ')
2239 _flags='--gcc --abi=eabi -me'
2240 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2241 _cc_e='-ppl -fe=$@'
2242 _cc_o='-fe=$@'
2243 as_default="${cross_prefix}gcc"
2244 ld_default="${cross_prefix}gcc"
2245 _depflags='-ppa -ppd=$(@:.o=.d)'
2246 _cflags_speed='-O3 -mf=5'
2247 _cflags_size='-O3 -mf=2'
2248 _flags_filter=tms470_flags
2249 elif $_cc -v 2>&1 | grep -q clang; then
2250 _type=clang
2251 _ident=$($_cc --version | head -n1)
2252 _depflags='-MMD'
2253 _cflags_speed='-O3'
2254 _cflags_size='-Os'
2255 elif $_cc -V 2>&1 | grep -q Sun; then
2256 _type=suncc
2257 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2258 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2259 _DEPFLAGS='-xM1 -xc99'
2260 _ldflags='-std=c99'
2261 _cflags_speed='-O5'
2262 _cflags_size='-O5 -xspace'
2263 _flags_filter=suncc_flags
2264 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2265 _type=pathscale
2266 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2267 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2268 _cflags_speed='-O2'
2269 _cflags_size='-Os'
2270 _flags_filter='filter_out -Wdisabled-optimization'
2271 elif $_cc -v 2>&1 | grep -q Open64; then
2272 _type=open64
2273 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2274 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2275 _cflags_speed='-O2'
2276 _cflags_size='-Os'
2277 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2278 elif $_cc -V 2>&1 | grep -q Portland; then
2279 _type=pgi
2280 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2281 opt_common='-alias=ansi -Mlre -Mpre'
2282 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2283 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2284 _cflags_noopt="-O1"
2285 _flags_filter=pgi_flags
2286 fi
2287
2288 eval ${pfx}_type=\$_type
2289 eval ${pfx}_ident=\$_ident
2290 }
2291
2292 set_ccvars(){
2293 eval ${1}_C=\${_cc_c-\${${1}_C}}
2294 eval ${1}_E=\${_cc_e-\${${1}_E}}
2295 eval ${1}_O=\${_cc_o-\${${1}_O}}
2296
2297 if [ -n "$_depflags" ]; then
2298 eval ${1}_DEPFLAGS=\$_depflags
2299 else
2300 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2301 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2302 eval DEP${1}FLAGS=\$_flags
2303 fi
2304 }
2305
2306 probe_cc cc "$cc"
2307 cflags_filter=$_flags_filter
2308 cflags_speed=$_cflags_speed
2309 cflags_size=$_cflags_size
2310 cflags_noopt=$_cflags_noopt
2311 add_cflags $_flags $_cflags
2312 cc_ldflags=$_ldflags
2313 set_ccvars CC
2314
2315 probe_cc hostcc "$host_cc"
2316 host_cflags_filter=$_flags_filter
2317 add_host_cflags $_flags $_cflags
2318 set_ccvars HOSTCC
2319
2320 test -n "$cc_type" && enable $cc_type ||
2321 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2322
2323 : ${as_default:=$cc}
2324 : ${dep_cc_default:=$cc}
2325 : ${ld_default:=$cc}
2326 : ${host_ld_default:=$host_cc}
2327 set_default ar as dep_cc ld host_ld
2328
2329 probe_cc as "$as"
2330 asflags_filter=$_flags_filter
2331 add_asflags $_flags $_cflags
2332 set_ccvars AS
2333
2334 probe_cc ld "$ld"
2335 ldflags_filter=$_flags_filter
2336 add_ldflags $_flags $_ldflags
2337 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2338 LD_O=${_ld_o-$LD_O}
2339 LD_LIB=${_ld_lib-$LD_LIB}
2340 LD_PATH=${_ld_path-$LD_PATH}
2341
2342 probe_cc hostld "$host_ld"
2343 host_ldflags_filter=$_flags_filter
2344 add_host_ldflags $_flags $_ldflags
2345 HOSTLD_O=${_ld_o-$HOSTLD_O}
2346
2347 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2348 probe_cc depcc "$dep_cc"
2349 CCDEP=${_DEPCMD:-$DEPCMD}
2350 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2351 DEPCCFLAGS=$_flags
2352 fi
2353
2354 add_cflags $extra_cflags
2355 add_asflags $extra_cflags
2356
2357 if test -n "$sysroot"; then
2358 case "$cc_type" in
2359 gcc|llvm_gcc|clang)
2360 add_cppflags --sysroot="$sysroot"
2361 add_ldflags --sysroot="$sysroot"
2362 ;;
2363 tms470)
2364 add_cppflags -I"$sysinclude"
2365 add_ldflags --sysroot="$sysroot"
2366 ;;
2367 esac
2368 fi
2369
2370 if test "$cpu" = host; then
2371 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2372
2373 case "$cc_type" in
2374 gcc|llvm_gcc)
2375 check_native(){
2376 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2377 sed -n "/cc1.*$1=/{
2378 s/.*$1=\\([^ ]*\\).*/\\1/
2379 p
2380 q
2381 }" $TMPE
2382 }
2383 cpu=$(check_native -march || check_native -mcpu)
2384 ;;
2385 esac
2386
2387 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2388 fi
2389
2390 # Deal with common $arch aliases
2391 case "$arch" in
2392 arm*)
2393 arch="arm"
2394 ;;
2395 mips|mipsel|IP*)
2396 arch="mips"
2397 ;;
2398 mips64*)
2399 arch="mips"
2400 subarch="mips64"
2401 ;;
2402 parisc|hppa)
2403 arch="parisc"
2404 ;;
2405 parisc64|hppa64)
2406 arch="parisc"
2407 subarch="parisc64"
2408 ;;
2409 "Power Macintosh"|ppc|powerpc)
2410 arch="ppc"
2411 ;;
2412 ppc64|powerpc64)
2413 arch="ppc"
2414 subarch="ppc64"
2415 ;;
2416 s390|s390x)
2417 arch="s390"
2418 ;;
2419 sh4|sh)
2420 arch="sh4"
2421 ;;
2422 sun4u|sparc64)
2423 arch="sparc"
2424 subarch="sparc64"
2425 ;;
2426 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2427 arch="x86"
2428 ;;
2429 esac
2430
2431 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2432 enable $arch
2433
2434 # Add processor-specific flags
2435 if test "$cpu" = generic; then
2436 : do nothing
2437 elif enabled ppc; then
2438
2439 case $(tolower $cpu) in
2440 601|ppc601|powerpc601)
2441 cpuflags="-mcpu=601"
2442 disable altivec
2443 ;;
2444 603*|ppc603*|powerpc603*)
2445 cpuflags="-mcpu=603"
2446 disable altivec
2447 ;;
2448 604*|ppc604*|powerpc604*)
2449 cpuflags="-mcpu=604"
2450 disable altivec
2451 ;;
2452 g3|75*|ppc75*|powerpc75*)
2453 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2454 disable altivec
2455 ;;
2456 g4|745*|ppc745*|powerpc745*)
2457 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2458 ;;
2459 74*|ppc74*|powerpc74*)
2460 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2461 ;;
2462 g5|970|ppc970|powerpc970)
2463 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2464 ;;
2465 power[3-7]*)
2466 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2467 ;;
2468 cell)
2469 cpuflags="-mcpu=cell"
2470 enable ldbrx
2471 ;;
2472 e500mc)
2473 cpuflags="-mcpu=e500mc"
2474 disable altivec
2475 ;;
2476 e500v2)
2477 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2478 disable altivec
2479 ;;
2480 e500)
2481 cpuflags="-mcpu=8540 -mhard-float"
2482 disable altivec
2483 ;;
2484 esac
2485
2486 elif enabled x86; then
2487
2488 case $cpu in
2489 i[345]86|pentium)
2490 cpuflags="-march=$cpu"
2491 disable mmx
2492 ;;
2493 # targets that do NOT support conditional mov (cmov)
2494 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2495 cpuflags="-march=$cpu"
2496 disable cmov
2497 ;;
2498 # targets that do support conditional mov (cmov)
2499 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2500 cpuflags="-march=$cpu"
2501 enable cmov
2502 enable fast_cmov
2503 ;;
2504 # targets that do support conditional mov but on which it's slow
2505 pentium4|pentium4m|prescott|nocona)
2506 cpuflags="-march=$cpu"
2507 enable cmov
2508 disable fast_cmov
2509 ;;
2510 esac
2511
2512 elif enabled sparc; then
2513
2514 case $cpu in
2515 niagara)
2516 cpuflags="-mcpu=$cpu"
2517 disable vis
2518 ;;
2519 sparc64)
2520 cpuflags="-mcpu=v9"
2521 ;;
2522 esac
2523
2524 elif enabled arm; then
2525
2526 case $cpu in
2527 armv*)
2528 cpuflags="-march=$cpu"
2529 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2530 ;;
2531 *)
2532 cpuflags="-mcpu=$cpu"
2533 case $cpu in
2534 cortex-a*) subarch=armv7a ;;
2535 cortex-r*) subarch=armv7r ;;
2536 cortex-m*) enable thumb; subarch=armv7m ;;
2537 arm11*) subarch=armv6 ;;
2538 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2539 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2540 esac
2541 ;;
2542 esac
2543
2544 elif enabled alpha; then
2545
2546 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2547
2548 elif enabled bfin; then
2549
2550 cpuflags="-mcpu=$cpu"
2551
2552 elif enabled mips; then
2553
2554 cpuflags="-march=$cpu"
2555
2556 elif enabled avr32; then
2557
2558 case $cpu in
2559 ap7[02]0[0-2])
2560 subarch="avr32_ap"
2561 cpuflags="-mpart=$cpu"
2562 ;;
2563 ap)
2564 subarch="avr32_ap"
2565 cpuflags="-march=$cpu"
2566 ;;
2567 uc3[ab]*)
2568 subarch="avr32_uc"
2569 cpuflags="-mcpu=$cpu"
2570 ;;
2571 uc)
2572 subarch="avr32_uc"
2573 cpuflags="-march=$cpu"
2574 ;;
2575 esac
2576
2577 fi
2578
2579 add_cflags $cpuflags
2580 add_asflags $cpuflags
2581
2582 # compiler sanity check
2583 check_exec <<EOF
2584 int main(void){ return 0; }
2585 EOF
2586 if test "$?" != 0; then
2587 echo "$cc is unable to create an executable file."
2588 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2589 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2590 echo "Only do this if you know what cross compiling means."
2591 fi
2592 die "C compiler test failed."
2593 fi
2594
2595 add_cppflags -D_ISOC99_SOURCE
2596 check_cflags -std=c99
2597 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2598 #include <stdlib.h>
2599 EOF
2600 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2601 #include <stdlib.h>
2602 EOF
2603
2604 check_host_cflags -std=c99
2605 check_host_cflags -Wall
2606
2607 case "$arch" in
2608 alpha|ia64|mips|parisc|sparc)
2609 spic=$shared
2610 ;;
2611 x86)
2612 subarch="x86_32"
2613 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2614 if test "$subarch" = "x86_64"; then
2615 spic=$shared
2616 fi
2617 ;;
2618 esac
2619
2620 enable $subarch
2621 enabled spic && enable pic
2622
2623 # OS specific
2624 case $target_os in
2625 haiku)
2626 prefix_default="/boot/common"
2627 network_extralibs="-lnetwork"
2628 host_libs=
2629 ;;
2630 sunos)
2631 AVSERVERLDFLAGS=""
2632 SHFLAGS='-shared -Wl,-h,$$(@F)'
2633 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2634 network_extralibs="-lsocket -lnsl"
2635 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2636 # When using suncc to build, the Solaris linker will mark
2637 # an executable with each instruction set encountered by
2638 # the Solaris assembler. As our libraries contain their own
2639 # guards for processor-specific code, instead suppress
2640 # generation of the HWCAPS ELF section on Solaris x86 only.
2641 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2642 nm_opts='-P -g'
2643 ;;
2644 netbsd)
2645 disable symver
2646 oss_indev_extralibs="-lossaudio"
2647 oss_outdev_extralibs="-lossaudio"
2648 ;;
2649 openbsd|bitrig)
2650 # On OpenBSD 4.5. the compiler does not use PIC unless
2651 # explicitly using -fPIC. Libav builds fine without PIC,
2652 # however the generated executable will not do anything
2653 # (simply quits with exit-code 1, no crash, no output).
2654 # Thus explicitly enable PIC here.
2655 enable pic
2656 disable symver
2657 SHFLAGS='-shared'
2658 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2659 SLIB_INSTALL_LINKS=
2660 oss_indev_extralibs="-lossaudio"
2661 oss_outdev_extralibs="-lossaudio"
2662 ;;
2663 dragonfly)
2664 disable symver
2665 ;;
2666 freebsd)
2667 ;;
2668 bsd/os)
2669 add_extralibs -lpoll -lgnugetopt
2670 ;;
2671 darwin)
2672 gas="gas-preprocessor.pl $cc"
2673 enabled ppc && add_asflags -force_cpusubtype_ALL
2674 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2675 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2676 add_ldflags -Wl,-dynamic,-search_paths_first
2677 SLIBSUF=".dylib"
2678 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2679 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2680 AVSERVERLDFLAGS=-Wl,-bind_at_load
2681 objformat="macho"
2682 enabled x86_64 && objformat="macho64"
2683 enabled_any pic shared ||
2684 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2685 ;;
2686 mingw32*)
2687 if test $target_os = "mingw32ce"; then
2688 disable network
2689 else
2690 target_os=mingw32
2691 fi
2692 LIBTARGET=i386
2693 if enabled x86_64; then
2694 LIBTARGET="i386:x86-64"
2695 elif enabled arm; then
2696 LIBTARGET=arm-wince
2697 fi
2698 shlibdir_default="$bindir_default"
2699 SLIBPREF=""
2700 SLIBSUF=".dll"
2701 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2702 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2703 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2704 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2705 SLIB_INSTALL_LINKS=
2706 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2707 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2708 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'
2709 objformat="win32"
2710 dlltool="${cross_prefix}dlltool"
2711 ranlib=:
2712 enable dos_paths
2713 check_cflags -fno-common
2714 add_cppflags -U__STRICT_ANSI__
2715 ;;
2716 cygwin*)
2717 target_os=cygwin
2718 shlibdir_default="$bindir_default"
2719 SLIBPREF="cyg"
2720 SLIBSUF=".dll"
2721 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2722 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2723 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2724 SLIB_INSTALL_LINKS=
2725 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2726 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2727 objformat="win32"
2728 enable dos_paths
2729 check_cflags -fno-common
2730 add_cppflags -U__STRICT_ANSI__
2731 ;;
2732 *-dos|freedos|opendos)
2733 network_extralibs="-lsocket"
2734 objformat="coff"
2735 enable dos_paths
2736 add_cppflags -U__STRICT_ANSI__
2737 ;;
2738 linux)
2739 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2740 enable dv1394
2741 ;;
2742 irix*)
2743 target_os=irix
2744 ranlib="echo ignoring ranlib"
2745 ;;
2746 os/2*)
2747 ln_s="cp -f"
2748 objformat="aout"
2749 add_cppflags -D_GNU_SOURCE
2750 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2751 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2752 AVSERVERLDFLAGS=""
2753 LIBSUF="_s.a"
2754 SLIBPREF=""
2755 SLIBSUF=".dll"
2756 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2757 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2758 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2759 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2760 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2761 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2762 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2763 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2764 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2765 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2766 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2767 enable dos_paths
2768 ;;
2769 gnu/kfreebsd)
2770 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2771 ;;
2772 gnu)
2773 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2774 ;;
2775 qnx)
2776 add_cppflags -D_QNX_SOURCE
2777 network_extralibs="-lsocket"
2778 ;;
2779 symbian)
2780 SLIBSUF=".dll"
2781 enable dos_paths
2782 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2783 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2784 add_ldflags -Wl,--target1-abs,--no-undefined \
2785 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2786 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2787 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2788 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2789 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2790 ;;
2791 none)
2792 ;;
2793 *)
2794 die "Unknown OS '$target_os'."
2795 ;;
2796 esac
2797
2798 # determine libc flavour
2799
2800 if check_cpp_condition features.h "defined __UCLIBC__"; then
2801 libc_type=uclibc
2802 elif check_cpp_condition features.h "defined __GLIBC__"; then
2803 libc_type=glibc
2804 elif check_header _mingw.h; then
2805 libc_type=mingw
2806 check_cpp_condition _mingw.h \
2807 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2808 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2809 die "ERROR: MinGW runtime version must be >= 3.15."
2810 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2811 libc_type=newlib
2812 elif check_func_headers stdlib.h _get_doserrno; then
2813 libc_type=msvcrt
2814 add_cflags -Dstrtod=avpriv_strtod
2815 add_cflags -Dsnprintf=avpriv_snprintf \
2816 -D_snprintf=avpriv_snprintf \
2817 -Dvsnprintf=avpriv_vsnprintf
2818 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2819 libc_type=klibc
2820 fi
2821
2822 test -n "$libc_type" && enable $libc_type
2823
2824 esc(){
2825 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2826 }
2827
2828 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2829
2830 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2831
2832 set_default $PATHS_LIST
2833
2834 # we need to build at least one lib type
2835 if ! enabled_any static shared; then
2836 cat <<EOF
2837 At least one library type must be built.
2838 Specify --enable-static to build the static libraries or --enable-shared to
2839 build the shared libraries as well. To only build the shared libraries specify
2840 --disable-static in addition to --enable-shared.
2841 EOF
2842 exit 1;
2843 fi
2844
2845 die_license_disabled() {
2846 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2847 }
2848
2849 die_license_disabled gpl libcdio
2850 die_license_disabled gpl libx264
2851 die_license_disabled gpl libxavs
2852 die_license_disabled gpl libxvid
2853 die_license_disabled gpl x11grab
2854
2855 die_license_disabled nonfree libfaac
2856 die_license_disabled nonfree libfdk_aac
2857 die_license_disabled nonfree openssl
2858
2859 die_license_disabled version3 libopencore_amrnb
2860 die_license_disabled version3 libopencore_amrwb
2861 die_license_disabled version3 libvo_aacenc
2862 die_license_disabled version3 libvo_amrwbenc
2863
2864 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2865
2866 disabled optimizations || check_cflags -fomit-frame-pointer
2867
2868 enable_pic() {
2869 enable pic
2870 add_cppflags -DPIC
2871 add_cflags -fPIC
2872 add_asflags -fPIC
2873 }
2874
2875 enabled pic && enable_pic
2876
2877 check_cc <<EOF || die "Symbol mangling check failed."
2878 int ff_extern;
2879 EOF
2880 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2881 extern_prefix=${sym%%ff_extern*}
2882
2883 check_cc <<EOF && enable inline_asm
2884 void foo(void) { __asm__ volatile ("" ::); }
2885 EOF
2886
2887 _restrict=
2888 for restrict_keyword in restrict __restrict__ __restrict; do
2889 check_cc <<EOF && _restrict=$restrict_keyword && break
2890 void foo(char * $restrict_keyword p);
2891 EOF
2892 done
2893
2894 check_cc <<EOF && enable attribute_packed
2895 struct { int x; } __attribute__((packed)) x;
2896 EOF
2897
2898 check_cc <<EOF && enable attribute_may_alias
2899 union { int x; } __attribute__((may_alias)) x;
2900 EOF
2901
2902 check_cc <<EOF || die "endian test failed"
2903 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2904 EOF
2905 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2906
2907 if enabled alpha; then
2908
2909 check_cflags -mieee
2910
2911 elif enabled arm; then
2912
2913 enabled thumb && check_cflags -mthumb || check_cflags -marm
2914 nogas=die
2915
2916 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2917 enable vfp_args
2918 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2919 case "${cross_prefix:-$cc}" in
2920 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2921 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2922 __asm__ (".eabi_attribute 28, 1");
2923 int main(void) { return 0; }
2924 EOF
2925 esac
2926 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2927 fi
2928
2929 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2930 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2931 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2932 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2933 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2934 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
2935
2936 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2937 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2938
2939 enabled_all armv6t2 shared !pic && enable_pic
2940
2941 elif enabled mips; then
2942
2943 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2944 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
2945
2946 elif enabled ppc; then
2947
2948 enable local_aligned_8 local_aligned_16
2949
2950 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2951 check_inline_asm ibm_asm '"add 0, 0, 0"'
2952 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
2953 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2954
2955 # AltiVec flags: The FSF version of GCC differs from the Apple version
2956 if enabled altivec; then
2957 nogas=warn
2958 check_cflags -maltivec -mabi=altivec &&
2959 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2960 check_cflags -faltivec
2961
2962 # check if our compiler supports Motorola AltiVec C API
2963 check_cc <<EOF || disable altivec
2964 $inc_altivec_h
2965 int main(void) {
2966 vector signed int v1 = (vector signed int) { 0 };
2967 vector signed int v2 = (vector signed int) { 1 };
2968 v1 = vec_add(v1, v2);
2969 return 0;
2970 }
2971 EOF
2972
2973 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
2974 fi
2975
2976 elif enabled sparc; then
2977
2978 enabled vis &&
2979 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2980 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2981
2982 elif enabled x86; then
2983
2984 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
2985 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
2986 check_code ld intrin.h "__rdtsc()" && enable rdtsc
2987 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
2988
2989 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2990
2991 enable local_aligned_8 local_aligned_16
2992
2993 # check whether EBP is available on x86
2994 # As 'i' is stored on the stack, this program will crash
2995 # if the base pointer is used to access it because the
2996 # base pointer is cleared in the inline assembly code.
2997 check_exec_crash <<EOF && enable ebp_available
2998 volatile int i=0;
2999 __asm__ volatile (
3000 "xorl %%ebp, %%ebp"
3001 ::: "%ebp");
3002 return i;
3003 EOF
3004
3005 # check whether EBX is available on x86
3006 check_inline_asm ebx_available '""::"b"(0)' &&
3007 check_inline_asm ebx_available '"":::"%ebx"'
3008
3009 # check whether xmm clobbers are supported
3010 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3011
3012 # check whether binutils is new enough to compile SSSE3/MMXEXT
3013 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3014 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3015
3016 if ! disabled_any asm mmx yasm; then
3017 if check_cmd $yasmexe --version; then
3018 enabled x86_64 && yasm_extra="-m amd64"
3019 yasm_debug="-g dwarf2"
3020 elif check_cmd nasm -v; then
3021 yasmexe=nasm
3022 yasm_debug="-g -F dwarf"
3023 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3024 fi
3025
3026 YASMFLAGS="-f $objformat $yasm_extra"
3027 enabled pic && append YASMFLAGS "-DPIC"
3028 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3029 case "$objformat" in
3030 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3031 esac
3032
3033 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3034 die "yasm not found, use --disable-yasm for a crippled build"
3035 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3036 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3037 check_yasm "CPU amdnop" && enable cpunop
3038 fi
3039
3040 case "$cpu" in
3041 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3042 disable fast_clz
3043 ;;
3044 esac
3045
3046 fi
3047
3048 if enabled asm; then
3049 as=${gas:=$as}
3050 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3051 $nogas "GNU assembler not found, install gas-preprocessor"
3052 fi
3053
3054 check_ldflags -Wl,--as-needed
3055
3056 if check_func dlopen; then
3057 ldl=
3058 elif check_func dlopen -ldl; then
3059 ldl=-ldl
3060 fi
3061
3062 if enabled network; then
3063 check_type "sys/types.h sys/socket.h" socklen_t
3064 check_type netdb.h "struct addrinfo"
3065 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3066 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3067 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3068 check_type netinet/in.h "struct sockaddr_in6"
3069 check_type poll.h "struct pollfd"
3070 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3071 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3072 check_type netinet/sctp.h "struct sctp_event_subscribe"
3073 check_func getaddrinfo $network_extralibs
3074 # Prefer arpa/inet.h over winsock2
3075 if check_header arpa/inet.h ; then
3076 check_func closesocket
3077 elif check_header winsock2.h ; then
3078 check_func_headers winsock2.h closesocket -lws2 &&
3079 network_extralibs="-lws2" ||
3080 { check_func_headers winsock2.h closesocket -lws2_32 &&
3081 network_extralibs="-lws2_32"; }
3082 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3083 check_type ws2tcpip.h socklen_t
3084 check_type ws2tcpip.h "struct addrinfo"
3085 check_type ws2tcpip.h "struct group_source_req"
3086 check_type ws2tcpip.h "struct ip_mreq_source"
3087 check_type ws2tcpip.h "struct ipv6_mreq"
3088 check_type winsock2.h "struct pollfd"
3089 check_type ws2tcpip.h "struct sockaddr_in6"
3090 check_type ws2tcpip.h "struct sockaddr_storage"
3091 check_struct winsock2.h "struct sockaddr" sa_len
3092 else
3093 disable network
3094 fi
3095 fi
3096
3097 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3098 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3099
3100 check_func fcntl
3101 check_func fork
3102 check_func gethrtime
3103 check_func getopt
3104 check_func getrusage
3105 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3106 check_func gettimeofday
3107 check_func inet_aton $network_extralibs
3108 check_func isatty
3109 check_func localtime_r
3110 check_func ${malloc_prefix}memalign && enable memalign
3111 check_func mkstemp
3112 check_func mmap
3113 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3114 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3115 check_func setrlimit
3116 check_func strerror_r
3117 check_func strptime
3118 check_func strtok_r
3119 check_func sched_getaffinity
3120 check_func sysconf
3121 check_func sysctl
3122 check_func usleep
3123 check_func_headers io.h setmode
3124 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3125 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3126 check_func_headers windows.h GetProcessAffinityMask
3127 check_func_headers windows.h GetProcessTimes
3128 check_func_headers windows.h GetSystemTimeAsFileTime
3129 check_func_headers windows.h MapViewOfFile
3130 check_func_headers windows.h Sleep
3131 check_func_headers windows.h VirtualAlloc
3132
3133 check_header dlfcn.h
3134 check_header dxva.h
3135 check_header dxva2api.h
3136 check_header io.h
3137 check_header malloc.h
3138 check_header poll.h
3139 check_header sys/mman.h
3140 check_header sys/param.h
3141 check_header sys/resource.h
3142 check_header sys/select.h
3143 check_header sys/time.h
3144 check_header unistd.h
3145 check_header vdpau/vdpau.h
3146 check_header vdpau/vdpau_x11.h
3147 check_header windows.h
3148 check_header X11/extensions/XvMClib.h
3149
3150 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3151 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3152
3153 if ! disabled w32threads && ! enabled pthreads; then
3154 check_func _beginthreadex && enable w32threads
3155 fi
3156
3157 # check for some common methods of building with pthread support
3158 # do this before the optional library checks as some of them require pthreads
3159 if ! disabled pthreads && ! enabled w32threads; then
3160 enable pthreads
3161 if check_func pthread_create; then
3162 :
3163 elif check_func pthread_create -pthread; then
3164 add_cflags -pthread
3165 add_extralibs -pthread
3166 elif check_func pthread_create -pthreads; then
3167 add_cflags -pthreads
3168 add_extralibs -pthreads
3169 elif check_func pthread_create -lpthreadGC2; then
3170 add_extralibs -lpthreadGC2
3171 elif ! check_lib pthread.h pthread_create -lpthread; then
3172 disable pthreads
3173 fi
3174 fi
3175
3176 for thread in $THREADS_LIST; do
3177 if enabled $thread; then
3178 test -n "$thread_type" &&
3179 die "ERROR: Only one thread type must be selected." ||
3180 thread_type="$thread"
3181 fi
3182 done
3183
3184 check_lib math.h sin -lm && LIBM="-lm"
3185 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3186
3187 check_mathfunc cbrtf
3188 check_mathfunc exp2
3189 check_mathfunc exp2f
3190 check_mathfunc isinf
3191 check_mathfunc isnan
3192 check_mathfunc llrint
3193 check_mathfunc llrintf
3194 check_mathfunc log2
3195 check_mathfunc log2f
3196 check_mathfunc lrint
3197 check_mathfunc lrintf
3198 check_mathfunc rint
3199 check_mathfunc round
3200 check_mathfunc roundf
3201 check_mathfunc trunc
3202 check_mathfunc truncf
3203
3204 # these are off by default, so fail if requested and not available
3205 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3206 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3207 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3208 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3209 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3210 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3211 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3212 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3213 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3214 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3215 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3216 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3217 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3218 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3219 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3220 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3221 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3222 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3223 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3224 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3225 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3226 enabled libvpx && {
3227 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3228 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3229 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3230 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3231 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3232 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3233 die "ERROR: libx264 version must be >= 0.118."; }
3234 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3235 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3236 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3237 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3238 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3239 die "ERROR: openssl not found"; }
3240
3241 if enabled gnutls; then
3242 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3243 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3244 fi
3245
3246 # libdc1394 check
3247 if enabled libdc1394; then
3248 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3249 enable libdc1394_2; } ||
3250 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3251 enable libdc1394_1; } ||
3252 die "ERROR: No version of libdc1394 found "
3253 fi
3254
3255 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3256 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3257 enable sdl &&
3258 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3259 fi
3260
3261 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3262
3263 check_header linux/fb.h
3264 check_header linux/videodev2.h
3265 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3266
3267 check_header sys/videoio.h
3268
3269 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3270 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3271 # w32api 3.12 had it defined wrong
3272 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3273
3274 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3275 { check_header dev/bktr/ioctl_meteor.h &&
3276 check_header dev/bktr/ioctl_bt848.h; } ||
3277 { check_header machine/ioctl_meteor.h &&
3278 check_header machine/ioctl_bt848.h; } ||
3279 { check_header dev/video/meteor/ioctl_meteor.h &&
3280 check_header dev/video/bktr/ioctl_bt848.h; } ||
3281 check_header dev/ic/bt8xx.h
3282
3283 check_header sndio.h
3284 check_header sys/soundcard.h
3285 check_header soundcard.h
3286
3287 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3288
3289 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3290 check_func jack_port_get_latency_range -ljack
3291
3292 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3293
3294 enabled libcdio &&
3295 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3296
3297 enabled x11grab &&
3298 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3299 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3300 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3301
3302 # check for VDA header
3303 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3304 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3305 fi
3306
3307 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3308 check_cpp_condition \
3309 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3310 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3311 disable vdpau; }
3312 fi
3313
3314 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3315
3316 # add some useful compiler flags if supported
3317 check_cflags -Wdeclaration-after-statement
3318 check_cflags -Wall
3319 check_cflags -Wno-parentheses
3320 check_cflags -Wno-switch
3321 check_cflags -Wno-format-zero-length
3322 check_cflags -Wdisabled-optimization
3323 check_cflags -Wpointer-arith
3324 check_cflags -Wredundant-decls
3325 check_cflags -Wno-pointer-sign
3326 check_cflags -Wcast-qual
3327 check_cflags -Wwrite-strings
3328 check_cflags -Wtype-limits
3329 check_cflags -Wundef
3330 check_cflags -Wmissing-prototypes
3331 check_cflags -Wstrict-prototypes
3332 enabled extra_warnings && check_cflags -Winline
3333
3334 # add some linker flags
3335 check_ldflags -Wl,--warn-common
3336 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3337 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3338
3339 enabled xmm_clobber_test &&
3340 check_ldflags -Wl,--wrap,avcodec_open2 \
3341 -Wl,--wrap,avcodec_decode_audio4 \
3342 -Wl,--wrap,avcodec_decode_video2 \
3343 -Wl,--wrap,avcodec_decode_subtitle2 \
3344 -Wl,--wrap,avcodec_encode_audio2 \
3345 -Wl,--wrap,avcodec_encode_video \
3346 -Wl,--wrap,avcodec_encode_subtitle \
3347 -Wl,--wrap,sws_scale ||
3348 disable xmm_clobber_test
3349
3350 echo "X{};" > $TMPV
3351 if test_ldflags -Wl,--version-script,$TMPV; then
3352 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3353 check_cc <<EOF && enable symver_asm_label
3354 void ff_foo(void) __asm__ ("av_foo@VERSION");
3355 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3356 EOF
3357 check_cc <<EOF && enable symver_gnu_asm
3358 __asm__(".symver ff_foo,av_foo@VERSION");
3359 void ff_foo(void) {}
3360 EOF
3361 fi
3362
3363 if [ -n "$optflags" ]; then
3364 add_cflags $optflags
3365 elif enabled small; then
3366 add_cflags $cflags_size
3367 elif enabled optimizations; then
3368 add_cflags $cflags_speed
3369 else
3370 add_cflags $cflags_noopt
3371 fi
3372 check_cflags -fno-math-errno
3373 check_cflags -fno-signed-zeros
3374
3375 if enabled icc; then
3376 # Just warnings, no remarks
3377 check_cflags -w1
3378 # -wd: Disable following warnings
3379 # 144, 167, 556: -Wno-pointer-sign
3380 # 1292: attribute "foo" ignored
3381 # 1419: external declaration in primary source file
3382 # 10006: ignoring unknown option -fno-signed-zeros
3383 # 10148: ignoring unknown option -Wno-parentheses
3384 # 10156: ignoring option '-W'; no argument required
3385 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3386 # 11030: Warning unknown option --as-needed
3387 # 10156: ignoring option '-export'; no argument required
3388 check_ldflags -wd10156,11030
3389 # Allow to compile with optimizations
3390 check_ldflags -march=$cpu
3391 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3392 enable ebp_available
3393 if enabled x86_32; then
3394 icc_version=$($cc -dumpversion)
3395 test ${icc_version%%.*} -ge 11 &&
3396 check_cflags -falign-stack=maintain-16-byte ||
3397 disable aligned_stack
3398 fi
3399 elif enabled ccc; then
3400 # disable some annoying warnings
3401 add_cflags -msg_disable cvtu32to64
3402 add_cflags -msg_disable embedcomment
3403 add_cflags -msg_disable needconstext
3404 add_cflags -msg_disable nomainieee
3405 add_cflags -msg_disable ptrmismatch1
3406 add_cflags -msg_disable unreachcode
3407 elif enabled gcc; then
3408 check_cflags -fno-tree-vectorize
3409 check_cflags -Werror=implicit-function-declaration
3410 check_cflags -Werror=missing-prototypes
3411 check_cflags -Werror=declaration-after-statement
3412 elif enabled llvm_gcc; then
3413 check_cflags -mllvm -stack-alignment=16
3414 elif enabled clang; then
3415 check_cflags -mllvm -stack-alignment=16
3416 check_cflags -Qunused-arguments
3417 elif enabled armcc; then
3418 # 2523: use of inline assembler is deprecated
3419 add_cflags -W${armcc_opt},--diag_suppress=2523
3420 add_cflags -W${armcc_opt},--diag_suppress=1207
3421 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3422 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3423 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3424 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3425 elif enabled tms470; then
3426 add_cflags -pds=824 -pds=837
3427 elif enabled pathscale; then
3428 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3429 fi
3430
3431 enabled_any $THREADS_LIST && enable threads
3432
3433 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3434
3435 check_deps $CONFIG_LIST \
3436 $CONFIG_EXTRA \
3437 $HAVE_LIST \
3438 $ALL_COMPONENTS \
3439 $ALL_TESTS \
3440
3441 ! enabled_any memalign posix_memalign aligned_malloc &&
3442 enabled_any $need_memalign && enable memalign_hack
3443
3444 echo "install prefix $prefix"
3445 echo "source path $source_path"
3446 echo "C compiler $cc"
3447 echo "ARCH $arch ($cpu)"
3448 if test "$build_suffix" != ""; then
3449 echo "build suffix $build_suffix"
3450 fi
3451 if test "$extra_version" != ""; then
3452 echo "version string suffix $extra_version"
3453 fi
3454 echo "big-endian ${bigendian-no}"
3455 echo "runtime cpu detection ${runtime_cpudetect-no}"
3456 if enabled x86; then
3457 echo "${yasmexe} ${yasm-no}"
3458 echo "MMX enabled ${mmx-no}"
3459 echo "MMXEXT enabled ${mmxext-no}"
3460 echo "3DNow! enabled ${amd3dnow-no}"
3461 echo "3DNow! extended enabled ${amd3dnowext-no}"
3462 echo "SSE enabled ${sse-no}"
3463 echo "SSSE3 enabled ${ssse3-no}"
3464 echo "AVX enabled ${avx-no}"
3465 echo "FMA4 enabled ${fma4-no}"
3466 echo "CMOV enabled ${cmov-no}"
3467 echo "CMOV is fast ${fast_cmov-no}"
3468 echo "EBX available ${ebx_available-no}"
3469 echo "EBP available ${ebp_available-no}"
3470 fi
3471 if enabled arm; then
3472 echo "ARMv5TE enabled ${armv5te-no}"
3473 echo "ARMv6 enabled ${armv6-no}"
3474 echo "ARMv6T2 enabled ${armv6t2-no}"
3475 echo "ARM VFP enabled ${armvfp-no}"
3476 echo "NEON enabled ${neon-no}"
3477 fi
3478 if enabled mips; then
3479 echo "MMI enabled ${mmi-no}"
3480 fi
3481 if enabled ppc; then
3482 echo "AltiVec enabled ${altivec-no}"
3483 echo "PPC 4xx optimizations ${ppc4xx-no}"
3484 echo "dcbzl available ${dcbzl-no}"
3485 fi
3486 if enabled sparc; then
3487 echo "VIS enabled ${vis-no}"
3488 fi
3489 echo "debug symbols ${debug-no}"
3490 echo "optimize for size ${small-no}"
3491 echo "optimizations ${optimizations-no}"
3492 echo "static ${static-no}"
3493 echo "shared ${shared-no}"
3494 echo "new filter support ${avfilter-no}"
3495 echo "network support ${network-no}"
3496 echo "threading support ${thread_type-no}"
3497 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3498 echo "SDL support ${sdl-no}"
3499 echo "libdxva2 enabled ${dxva2-no}"
3500 echo "libva enabled ${vaapi-no}"
3501 echo "libvdpau enabled ${vdpau-no}"
3502 echo "AVISynth enabled ${avisynth-no}"
3503 echo "frei0r enabled ${frei0r-no}"
3504 echo "gnutls enabled ${gnutls-no}"
3505 echo "libcdio support ${libcdio-no}"
3506 echo "libdc1394 support ${libdc1394-no}"
3507 echo "libfaac enabled ${libfaac-no}"
3508 echo "libfdk-aac enabled ${libfdk_aac-no}"
3509 echo "libgsm enabled ${libgsm-no}"
3510 echo "libilbc enabled ${libilbc-no}"
3511 echo "libmp3lame enabled ${libmp3lame-no}"
3512 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3513 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3514 echo "libopencv support ${libopencv-no}"
3515 echo "libopenjpeg enabled ${libopenjpeg-no}"
3516 echo "libpulse enabled ${libpulse-no}"
3517 echo "librtmp enabled ${librtmp-no}"
3518 echo "libschroedinger enabled ${libschroedinger-no}"
3519 echo "libspeex enabled ${libspeex-no}"
3520 echo "libtheora enabled ${libtheora-no}"
3521 echo "libvo-aacenc support ${libvo_aacenc-no}"
3522 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3523 echo "libvorbis enabled ${libvorbis-no}"
3524 echo "libvpx enabled ${libvpx-no}"
3525 echo "libx264 enabled ${libx264-no}"
3526 echo "libxavs enabled ${libxavs-no}"
3527 echo "libxvid enabled ${libxvid-no}"
3528 echo "openssl enabled ${openssl-no}"
3529 echo "zlib enabled ${zlib-no}"
3530 echo "bzlib enabled ${bzlib-no}"
3531 test -n "$random_seed" &&
3532 echo "random seed ${random_seed}"
3533 echo
3534
3535 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3536 echo "Enabled ${type}s:"
3537 eval list=\$$(toupper $type)_LIST
3538 print_enabled '_*' $list | sort | pr -r -3 -t
3539 echo
3540 done
3541
3542 license="LGPL version 2.1 or later"
3543 if enabled nonfree; then
3544 license="nonfree and unredistributable"
3545 elif enabled gplv3; then
3546 license="GPL version 3 or later"
3547 elif enabled lgplv3; then
3548 license="LGPL version 3 or later"
3549 elif enabled gpl; then
3550 license="GPL version 2 or later"
3551 fi
3552
3553 echo "License: $license"
3554
3555 echo "Creating config.mak and config.h..."
3556
3557 test -e Makefile || $ln_s "$source_path/Makefile" .
3558
3559 config_files="$TMPH config.mak"
3560
3561 cat > config.mak <<EOF
3562 # Automatically generated by configure - do not modify!
3563 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3564 prefix=$prefix
3565 LIBDIR=\$(DESTDIR)$libdir
3566 SHLIBDIR=\$(DESTDIR)$shlibdir
3567 INCDIR=\$(DESTDIR)$incdir
3568 BINDIR=\$(DESTDIR)$bindir
3569 DATADIR=\$(DESTDIR)$datadir
3570 MANDIR=\$(DESTDIR)$mandir
3571 SRC_PATH=$source_path
3572 CC_IDENT=$cc_ident
3573 ARCH=$arch
3574 CC=$cc
3575 AS=$as
3576 LD=$ld
3577 DEPCC=$dep_cc
3578 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3579 DEPAS=$as
3580 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3581 YASM=$yasmexe
3582 DEPYASM=$yasmexe
3583 AR=$ar
3584 RANLIB=$ranlib
3585 LN_S=$ln_s
3586 CPPFLAGS=$CPPFLAGS
3587 CFLAGS=$CFLAGS
3588 ASFLAGS=$ASFLAGS
3589 AS_C=$AS_C
3590 AS_O=$AS_O
3591 CC_C=$CC_C
3592 CC_O=$CC_O
3593 LD_O=$LD_O
3594 LD_LIB=$LD_LIB
3595 LD_PATH=$LD_PATH
3596 DLLTOOL=$dlltool
3597 LDFLAGS=$LDFLAGS
3598 LDFLAGS-avserver=$AVSERVERLDFLAGS
3599 SHFLAGS=$SHFLAGS
3600 YASMFLAGS=$YASMFLAGS
3601 BUILDSUF=$build_suffix
3602 FULLNAME=$FULLNAME
3603 LIBPREF=$LIBPREF
3604 LIBSUF=$LIBSUF
3605 LIBNAME=$LIBNAME
3606 SLIBPREF=$SLIBPREF
3607 SLIBSUF=$SLIBSUF
3608 EXESUF=$EXESUF
3609 EXTRA_VERSION=$extra_version
3610 CCDEP=$CCDEP
3611 CCDEP_FLAGS=$CCDEP_FLAGS
3612 ASDEP=$ASDEP
3613 ASDEP_FLAGS=$ASDEP_FLAGS
3614 CC_DEPFLAGS=$CC_DEPFLAGS
3615 AS_DEPFLAGS=$AS_DEPFLAGS
3616 HOSTCC=$host_cc
3617 HOSTLD=$host_ld
3618 HOSTCFLAGS=$host_cflags
3619 HOSTEXESUF=$HOSTEXESUF
3620 HOSTLDFLAGS=$host_ldflags
3621 HOSTLIBS=$host_libs
3622 DEPHOSTCC=$host_cc
3623 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3624 HOSTCCDEP=$HOSTCCDEP
3625 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3626 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3627 HOSTCC_C=$HOSTCC_C
3628 HOSTCC_O=$HOSTCC_O
3629 HOSTLD_O=$HOSTLD_O
3630 TARGET_EXEC=$target_exec
3631 TARGET_PATH=$target_path
3632 LIBS-avplay=$sdl_libs
3633 CFLAGS-avplay=$sdl_cflags
3634 ZLIB=$($ldflags_filter -lz)
3635 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3636 EXTRALIBS=$extralibs
3637 INSTALL=install
3638 LIBTARGET=${LIBTARGET}
3639 SLIBNAME=${SLIBNAME}
3640 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3641 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3642 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3643 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3644 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3645 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3646 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3647 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3648 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3649 EOF
3650
3651 get_version(){
3652 lcname=$1
3653 name=$(toupper $lcname)
3654 file=$source_path/$lcname/version.h
3655 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3656 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3657 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3658 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3659 }
3660
3661 get_version libavcodec
3662 get_version libavdevice
3663 get_version libavfilter
3664 get_version libavformat
3665 get_version libavresample
3666 get_version libavutil
3667 get_version libswscale
3668
3669 cat > $TMPH <<EOF
3670 /* Automatically generated by configure - do not modify! */
3671 #ifndef LIBAV_CONFIG_H
3672 #define LIBAV_CONFIG_H
3673 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3674 #define LIBAV_LICENSE "$(c_escape $license)"
3675 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3676 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3677 #define restrict $_restrict
3678 #define EXTERN_PREFIX "${extern_prefix}"
3679 #define EXTERN_ASM ${extern_prefix}
3680 #define SLIBSUF "$SLIBSUF"
3681 EOF
3682
3683 test -n "$malloc_prefix" &&
3684 echo "#define MALLOC_PREFIX $malloc_prefix" >>