lavfi: add lavr-based audio resampling filter.
[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-mdct disable MDCT code
120 --disable-rdft disable RDFT code
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
123 --enable-vaapi enable VAAPI code
124 --enable-vda enable VDA code
125 --enable-vdpau enable VDPAU code
126
127 Individual component options:
128 --disable-everything disable all components listed below
129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
153 --enable-indev=NAME enable input device NAME
154 --disable-indev=NAME disable input device NAME
155 --disable-indevs disable input devices
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libfaac enable FAAC support via libfaac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM support via libgsm [no]
178 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
179 --enable-libnut enable NUT (de)muxing via libnut,
180 native (de)muxer exists [no]
181 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
182 --enable-libpulse enable Pulseaudio input via libpulse [no]
183 --enable-librtmp enable RTMP[E] support via librtmp [no]
184 --enable-libschroedinger enable Dirac support via libschroedinger [no]
185 --enable-libspeex enable Speex support via libspeex [no]
186 --enable-libtheora enable Theora encoding via libtheora [no]
187 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
188 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
189 --enable-libvorbis enable Vorbis encoding via libvorbis,
190 native implementation exists [no]
191 --enable-libvpx enable VP8 support via libvpx [no]
192 --enable-libx264 enable H.264 encoding via x264 [no]
193 --enable-libxavs enable AVS encoding via xavs [no]
194 --enable-libxvid enable Xvid encoding via xvidcore,
195 native MPEG-4/Xvid encoder exists [no]
196 --enable-openssl enable openssl [no]
197 --enable-zlib enable zlib [autodetect]
198
199 Advanced options (experts only):
200 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
201 --enable-cross-compile assume a cross-compiler is used
202 --sysroot=PATH root of cross-build tree
203 --sysinclude=PATH location of cross-build system headers
204 --target-os=OS compiler targets OS [$target_os]
205 --target-exec=CMD command to run executables on target
206 --target-path=DIR path to view of build directory on target
207 --nm=NM use nm tool
208 --ar=AR use archive tool AR [$ar_default]
209 --as=AS use assembler AS [$as_default]
210 --cc=CC use C compiler CC [$cc_default]
211 --ld=LD use linker LD
212 --host-cc=HOSTCC use host C compiler HOSTCC
213 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
214 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
215 --host-libs=HLIBS use libs HLIBS when linking for host
216 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
217 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
218 --extra-libs=ELIBS add ELIBS [$ELIBS]
219 --extra-version=STRING version string suffix []
220 --optflags override optimization-related compiler flags
221 --build-suffix=SUFFIX library name suffix []
222 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --enable-pic build position-independent code
227 --enable-sram allow use of on-chip SRAM
228 --disable-symver disable symbol versioning
229 --disable-fastdiv disable table-based division
230 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
231 --disable-safe-bitstream-reader
232 disable buffer boundary checking in bitreaders
233 (faster, but may crash)
234 --enable-memalign-hack emulate memalign, interferes with memory debuggers
235
236 Optimization options (experts only):
237 --disable-asm disable all assembler optimizations
238 --disable-altivec disable AltiVec optimizations
239 --disable-amd3dnow disable 3DNow! optimizations
240 --disable-amd3dnowext disable 3DNow! extended optimizations
241 --disable-mmx disable MMX optimizations
242 --disable-mmx2 disable MMX2 optimizations
243 --disable-sse disable SSE optimizations
244 --disable-ssse3 disable SSSE3 optimizations
245 --disable-avx disable AVX optimizations
246 --disable-armv5te disable armv5te optimizations
247 --disable-armv6 disable armv6 optimizations
248 --disable-armv6t2 disable armv6t2 optimizations
249 --disable-armvfp disable ARM VFP optimizations
250 --disable-mmi disable MMI optimizations
251 --disable-neon disable NEON optimizations
252 --disable-vis disable VIS optimizations
253 --disable-yasm disable use of yasm assembler
254
255 Developer options (useful when working on Libav itself):
256 --disable-debug disable debugging symbols
257 --enable-debug=LEVEL set the debug level [$debuglevel]
258 --disable-optimizations disable compiler optimizations
259 --enable-extra-warnings enable more compiler warnings
260 --samples=PATH location of test samples for FATE, if not set use
261 \$FATE_SAMPLES at make invocation time.
262 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
263 should be used only for debugging purposes)
264
265 NOTE: Object files are built at the place where configure is launched.
266 EOF
267 exit 0
268 }
269
270 quotes='""'
271
272 log(){
273 echo "$@" >> $logfile
274 }
275
276 log_file(){
277 log BEGIN $1
278 pr -n -t $1 >> $logfile
279 log END $1
280 }
281
282 echolog(){
283 log "$@"
284 echo "$@"
285 }
286
287 warn(){
288 log "WARNING: $*"
289 WARNINGS="${WARNINGS}WARNING: $*\n"
290 }
291
292 die(){
293 echolog "$@"
294 cat <<EOF
295
296 If you think configure made a mistake, make sure you are using the latest
297 version from Git. If the latest version fails, report the problem to the
298 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
299 EOF
300 if disabled logging; then
301 cat <<EOF
302 Rerun configure with logging enabled (do not use --disable-logging), and
303 include the log this produces with your report.
304 EOF
305 else
306 cat <<EOF
307 Include the log file "$logfile" produced by configure as this will help
308 solving the problem.
309 EOF
310 fi
311 exit 1
312 }
313
314 # Avoid locale weirdness, besides we really just want to translate ASCII.
315 toupper(){
316 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
317 }
318
319 tolower(){
320 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
321 }
322
323 c_escape(){
324 echo "$*" | sed 's/["\\]/\\\0/g'
325 }
326
327 sh_quote(){
328 v=$(echo "$1" | sed "s/'/'\\\\''/g")
329 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
330 echo "$v"
331 }
332
333 cleanws(){
334 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
335 }
336
337 filter(){
338 pat=$1
339 shift
340 for v; do
341 eval "case $v in $pat) echo $v ;; esac"
342 done
343 }
344
345 filter_out(){
346 pat=$1
347 shift
348 for v; do
349 eval "case $v in $pat) ;; *) echo $v ;; esac"
350 done
351 }
352
353 map(){
354 m=$1
355 shift
356 for v; do eval $m; done
357 }
358
359 set_all(){
360 value=$1
361 shift
362 for var in $*; do
363 eval $var=$value
364 done
365 }
366
367 set_weak(){
368 value=$1
369 shift
370 for var; do
371 eval : \${$var:=$value}
372 done
373 }
374
375 set_safe(){
376 var=$1
377 shift
378 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
379 }
380
381 get_safe(){
382 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
383 }
384
385 pushvar(){
386 for var in $*; do
387 eval level=\${${var}_level:=0}
388 eval ${var}_${level}="\$$var"
389 eval ${var}_level=$(($level+1))
390 done
391 }
392
393 popvar(){
394 for var in $*; do
395 eval level=\${${var}_level:-0}
396 test $level = 0 && continue
397 eval level=$(($level-1))
398 eval $var="\${${var}_${level}}"
399 eval ${var}_level=$level
400 eval unset ${var}_${level}
401 done
402 }
403
404 enable(){
405 set_all yes $*
406 }
407
408 disable(){
409 set_all no $*
410 }
411
412 enable_weak(){
413 set_weak yes $*
414 }
415
416 disable_weak(){
417 set_weak no $*
418 }
419
420 enable_safe(){
421 for var; do
422 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 disable_safe(){
427 for var; do
428 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429 done
430 }
431
432 do_enable_deep(){
433 for var; do
434 enabled $var && continue
435 eval sel="\$${var}_select"
436 eval sgs="\$${var}_suggest"
437 pushvar var sgs
438 enable_deep $sel
439 popvar sgs
440 enable_deep_weak $sgs
441 popvar var
442 done
443 }
444
445 enable_deep(){
446 do_enable_deep $*
447 enable $*
448 }
449
450 enable_deep_weak(){
451 do_enable_deep $*
452 enable_weak $*
453 }
454
455 enabled(){
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xyes"
458 }
459
460 disabled(){
461 test "${1#!}" = "$1" && op== || op=!=
462 eval test "x\$${1#!}" $op "xno"
463 }
464
465 enabled_all(){
466 for opt; do
467 enabled $opt || return 1
468 done
469 }
470
471 disabled_all(){
472 for opt; do
473 disabled $opt || return 1
474 done
475 }
476
477 enabled_any(){
478 for opt; do
479 enabled $opt && return 0
480 done
481 }
482
483 disabled_any(){
484 for opt; do
485 disabled $opt && return 0
486 done
487 return 1
488 }
489
490 set_default(){
491 for opt; do
492 eval : \${$opt:=\$${opt}_default}
493 done
494 }
495
496 is_in(){
497 value=$1
498 shift
499 for var in $*; do
500 [ $var = $value ] && return 0
501 done
502 return 1
503 }
504
505 check_deps(){
506 for cfg; do
507 cfg="${cfg#!}"
508 enabled ${cfg}_checking && die "Circular dependency for $cfg."
509 disabled ${cfg}_checking && continue
510 enable ${cfg}_checking
511
512 eval dep_all="\$${cfg}_deps"
513 eval dep_any="\$${cfg}_deps_any"
514 eval dep_sel="\$${cfg}_select"
515 eval dep_sgs="\$${cfg}_suggest"
516 eval dep_ifa="\$${cfg}_if"
517 eval dep_ifn="\$${cfg}_if_any"
518
519 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
521 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
522
523 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
524 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
525 enabled_all $dep_all || disable $cfg
526 enabled_any $dep_any || disable $cfg
527 disabled_any $dep_sel && disable $cfg
528
529 if enabled $cfg; then
530 eval dep_extralibs="\$${cfg}_extralibs"
531 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
532 enable_deep $dep_sel
533 enable_deep_weak $dep_sgs
534 fi
535
536 disable ${cfg}_checking
537 done
538 }
539
540 print_config_h(){
541 enabled $1 && v=1 || v=0
542 echo "#define $2 $v"
543 }
544
545 print_config_mak(){
546 enabled $1 && v= || v=!
547 echo "$v$2=yes"
548 }
549
550 print_config_asm(){
551 enabled $1 && v=1 || v=0
552 echo "%define $2 $v"
553 }
554
555 print_config(){
556 pfx=$1
557 files=$2
558 shift 2
559 for cfg; do
560 ucname="$(toupper $cfg)"
561 for f in $files; do
562 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
563 done
564 done
565 }
566
567 print_enabled(){
568 test "$1" = -n && end=" " && shift || end="\n"
569 suf=$1
570 shift
571 for v; do
572 enabled $v && printf "%s$end" ${v%$suf};
573 done
574 }
575
576 append(){
577 var=$1
578 shift
579 eval "$var=\"\$$var $*\""
580 }
581
582 prepend(){
583 var=$1
584 shift
585 eval "$var=\"$* \$$var\""
586 }
587
588 add_cppflags(){
589 append CPPFLAGS $($filter_cppflags "$@")
590 }
591
592 add_cflags(){
593 append CFLAGS $($filter_cflags "$@")
594 }
595
596 add_asflags(){
597 append ASFLAGS $($filter_asflags "$@")
598 }
599
600 add_ldflags(){
601 append LDFLAGS "$@"
602 }
603
604 add_extralibs(){
605 prepend extralibs "$@"
606 }
607
608 check_cmd(){
609 log "$@"
610 "$@" >> $logfile 2>&1
611 }
612
613 check_cc(){
614 log check_cc "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
618 }
619
620 check_cpp(){
621 log check_cpp "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
625 }
626
627 check_as(){
628 log check_as "$@"
629 cat > $TMPC
630 log_file $TMPC
631 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
632 }
633
634 check_asm(){
635 log check_asm "$@"
636 name="$1"
637 code="$2"
638 shift 2
639 disable $name
640 check_as "$@" <<EOF && enable $name
641 void foo(void){ __asm__ volatile($code); }
642 EOF
643 }
644
645 check_yasm(){
646 log check_yasm "$@"
647 echo "$1" > $TMPS
648 log_file $TMPS
649 shift 1
650 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
651 }
652
653 check_ld(){
654 log check_ld "$@"
655 flags=''
656 libs=''
657 for f; do
658 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
659 done
660 check_cc $($filter_cflags $flags) || return
661 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
662 }
663
664 check_cppflags(){
665 log check_cppflags "$@"
666 set -- $($filter_cppflags "$@")
667 check_cc "$@" <<EOF && append CPPFLAGS "$@"
668 int x;
669 EOF
670 }
671
672 check_cflags(){
673 log check_cflags "$@"
674 set -- $($filter_cflags "$@")
675 check_cc "$@" <<EOF && append CFLAGS "$@"
676 int x;
677 EOF
678 }
679
680 test_ldflags(){
681 log test_ldflags "$@"
682 check_ld "$@" <<EOF
683 int main(void){ return 0; }
684 EOF
685 }
686
687 check_ldflags(){
688 log check_ldflags "$@"
689 test_ldflags "$@" && add_ldflags "$@"
690 }
691
692 check_header(){
693 log check_header "$@"
694 header=$1
695 shift
696 disable_safe $header
697 check_cpp "$@" <<EOF && enable_safe $header
698 #include <$header>
699 int x;
700 EOF
701 }
702
703 check_func(){
704 log check_func "$@"
705 func=$1
706 shift
707 disable $func
708 check_ld "$@" <<EOF && enable $func
709 extern int $func();
710 int main(void){ $func(); }
711 EOF
712 }
713
714 check_mathfunc(){
715 log check_mathfunc "$@"
716 func=$1
717 shift
718 disable $func
719 check_ld "$@" <<EOF && enable $func
720 #include <math.h>
721 float foo(float f) { return $func(f); }
722 int main(void){ return 0; }
723 EOF
724 }
725
726 check_func_headers(){
727 log check_func_headers "$@"
728 headers=$1
729 funcs=$2
730 shift 2
731 {
732 for hdr in $headers; do
733 echo "#include <$hdr>"
734 done
735 for func in $funcs; do
736 echo "long check_$func(void) { return (long) $func; }"
737 done
738 echo "int main(void) { return 0; }"
739 } | check_ld "$@" && enable $funcs && enable_safe $headers
740 }
741
742 check_cpp_condition(){
743 log check_cpp_condition "$@"
744 header=$1
745 condition=$2
746 shift 2
747 check_cpp $($filter_cppflags "$@") <<EOF
748 #include <$header>
749 #if !($condition)
750 #error "unsatisfied condition: $condition"
751 #endif
752 EOF
753 }
754
755 check_lib(){
756 log check_lib "$@"
757 header="$1"
758 func="$2"
759 shift 2
760 check_header $header && check_func $func "$@" && add_extralibs "$@"
761 }
762
763 check_lib2(){
764 log check_lib2 "$@"
765 headers="$1"
766 funcs="$2"
767 shift 2
768 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
769 }
770
771 check_pkg_config(){
772 log check_pkg_config "$@"
773 pkg="$1"
774 headers="$2"
775 funcs="$3"
776 shift 3
777 $pkg_config --exists $pkg || return
778 pkg_cflags=$($pkg_config --cflags $pkg)
779 pkg_libs=$($pkg_config --libs $pkg)
780 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
781 set_safe ${pkg}_cflags $pkg_cflags &&
782 set_safe ${pkg}_libs $pkg_libs
783 }
784
785 check_exec(){
786 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
787 }
788
789 check_exec_crash(){
790 code=$(cat)
791
792 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
793 # are safe but may not be available everywhere. Thus we use
794 # raise(SIGTERM) instead. The check is run in a subshell so we
795 # can redirect the "Terminated" message from the shell. SIGBUS
796 # is not defined by standard C so it is used conditionally.
797
798 (check_exec "$@") >> $logfile 2>&1 <<EOF
799 #include <signal.h>
800 static void sighandler(int sig){
801 raise(SIGTERM);
802 }
803 int main(void){
804 signal(SIGILL, sighandler);
805 signal(SIGFPE, sighandler);
806 signal(SIGSEGV, sighandler);
807 #ifdef SIGBUS
808 signal(SIGBUS, sighandler);
809 #endif
810 { $code }
811 }
812 EOF
813 }
814
815 check_type(){
816 log check_type "$@"
817 headers=$1
818 type=$2
819 shift 2
820 disable_safe "$type"
821 incs=""
822 for hdr in $headers; do
823 incs="$incs
824 #include <$hdr>"
825 done
826 check_cc "$@" <<EOF && enable_safe "$type"
827 $incs
828 $type v;
829 EOF
830 }
831
832 check_struct(){
833 log check_type "$@"
834 headers=$1
835 struct=$2
836 member=$3
837 shift 3
838 disable_safe "${struct}_${member}"
839 incs=""
840 for hdr in $headers; do
841 incs="$incs
842 #include <$hdr>"
843 done
844 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
845 $incs
846 const void *p = &(($struct *)0)->$member;
847 EOF
848 }
849
850 require(){
851 name="$1"
852 header="$2"
853 func="$3"
854 shift 3
855 check_lib $header $func "$@" || die "ERROR: $name not found"
856 }
857
858 require2(){
859 name="$1"
860 headers="$2"
861 func="$3"
862 shift 3
863 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
864 }
865
866 require_pkg_config(){
867 pkg="$1"
868 check_pkg_config "$@" || die "ERROR: $pkg not found"
869 add_cflags $(get_safe ${pkg}_cflags)
870 add_extralibs $(get_safe ${pkg}_libs)
871 }
872
873 check_host_cc(){
874 log check_host_cc "$@"
875 cat > $TMPC
876 log_file $TMPC
877 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
878 }
879
880 check_host_cflags(){
881 log check_host_cflags "$@"
882 check_host_cc "$@" <<EOF && append host_cflags "$@"
883 int x;
884 EOF
885 }
886
887 apply(){
888 file=$1
889 shift
890 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
891 }
892
893 cp_if_changed(){
894 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
895 mkdir -p "$(dirname $2)"
896 cp -f "$1" "$2"
897 }
898
899 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
900 # system-dependent things.
901
902 COMPONENT_LIST="
903 bsfs
904 decoders
905 demuxers
906 encoders
907 filters
908 hwaccels
909 indevs
910 muxers
911 outdevs
912 parsers
913 protocols
914 "
915
916 PROGRAM_LIST="
917 avconv
918 avplay
919 avprobe
920 avserver
921 "
922
923 CONFIG_LIST="
924 $COMPONENT_LIST
925 $PROGRAM_LIST
926 ac3dsp
927 avcodec
928 avdevice
929 avfilter
930 avformat
931 avresample
932 avisynth
933 bzlib
934 dct
935 doc
936 dwt
937 dxva2
938 fastdiv
939 fft
940 frei0r
941 gnutls
942 gpl
943 gray
944 hardcoded_tables
945 libcdio
946 libdc1394
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lsp
969 mdct
970 memalign_hack
971 mpegaudiodsp
972 network
973 nonfree
974 openssl
975 pic
976 rdft
977 rtpdec
978 runtime_cpudetect
979 safe_bitstream_reader
980 shared
981 sinewin
982 small
983 sram
984 static
985 swscale
986 swscale_alpha
987 thumb
988 vaapi
989 vda
990 vdpau
991 version3
992 xmm_clobber_test
993 x11grab
994 zlib
995 "
996
997 THREADS_LIST='
998 pthreads
999 w32threads
1000 '
1001
1002 ARCH_LIST='
1003 alpha
1004 arm
1005 avr32
1006 avr32_ap
1007 avr32_uc
1008 bfin
1009 ia64
1010 m68k
1011 mips
1012 mips64
1013 parisc
1014 ppc
1015 ppc64
1016 s390
1017 sh4
1018 sparc
1019 sparc64
1020 tomi
1021 x86
1022 x86_32
1023 x86_64
1024 '
1025
1026 ARCH_EXT_LIST='
1027 altivec
1028 amd3dnow
1029 amd3dnowext
1030 armv5te
1031 armv6
1032 armv6t2
1033 armvfp
1034 avx
1035 mmi
1036 mmx
1037 mmx2
1038 neon
1039 ppc4xx
1040 sse
1041 ssse3
1042 vfpv3
1043 vis
1044 '
1045
1046 HAVE_LIST_PUB='
1047 bigendian
1048 fast_unaligned
1049 '
1050
1051 HAVE_LIST="
1052 $ARCH_EXT_LIST
1053 $HAVE_LIST_PUB
1054 $THREADS_LIST
1055 aligned_stack
1056 alsa_asoundlib_h
1057 altivec_h
1058 arpa_inet_h
1059 asm_mod_y
1060 attribute_may_alias
1061 attribute_packed
1062 closesocket
1063 cmov
1064 dcbzl
1065 dev_bktr_ioctl_bt848_h
1066 dev_bktr_ioctl_meteor_h
1067 dev_ic_bt8xx_h
1068 dev_video_bktr_ioctl_bt848_h
1069 dev_video_meteor_ioctl_meteor_h
1070 dlfcn_h
1071 dlopen
1072 dos_paths
1073 ebp_available
1074 ebx_available
1075 exp2
1076 exp2f
1077 fast_64bit
1078 fast_clz
1079 fast_cmov
1080 fcntl
1081 fork
1082 getaddrinfo
1083 gethrtime
1084 GetProcessAffinityMask
1085 GetProcessMemoryInfo
1086 GetProcessTimes
1087 getrusage
1088 gnu_as
1089 ibm_asm
1090 inet_aton
1091 inline_asm
1092 isatty
1093 ldbrx
1094 libdc1394_1
1095 libdc1394_2
1096 llrint
1097 llrintf
1098 local_aligned_16
1099 local_aligned_8
1100 localtime_r
1101 log2
1102 log2f
1103 loongson
1104 lrint
1105 lrintf
1106 machine_ioctl_bt848_h
1107 machine_ioctl_meteor_h
1108 malloc_h
1109 MapViewOfFile
1110 memalign
1111 mkstemp
1112 mmap
1113 netinet_sctp_h
1114 poll_h
1115 posix_memalign
1116 round
1117 roundf
1118 sched_getaffinity
1119 sdl
1120 sdl_video_size
1121 setmode
1122 setrlimit
1123 sndio_h
1124 socklen_t
1125 soundcard_h
1126 strerror_r
1127 strptime
1128 strtok_r
1129 struct_addrinfo
1130 struct_ipv6_mreq
1131 struct_rusage_ru_maxrss
1132 struct_sockaddr_in6
1133 struct_sockaddr_sa_len
1134 struct_sockaddr_storage
1135 struct_v4l2_frmivalenum_discrete
1136 symver
1137 symver_asm_label
1138 symver_gnu_asm
1139 sysconf
1140 sysctl
1141 sys_mman_h
1142 sys_param_h
1143 sys_resource_h
1144 sys_select_h
1145 sys_soundcard_h
1146 sys_videoio_h
1147 threads
1148 trunc
1149 truncf
1150 vfp_args
1151 VirtualAlloc
1152 winsock2_h
1153 xform_asm
1154 xmm_clobbers
1155 yasm
1156 "
1157
1158 # options emitted with CONFIG_ prefix but not available on command line
1159 CONFIG_EXTRA="
1160 aandct
1161 avutil
1162 golomb
1163 gplv3
1164 h264chroma
1165 h264dsp
1166 h264pred
1167 h264qpel
1168 huffman
1169 lgplv3
1170 lpc
1171 "
1172
1173 CMDLINE_SELECT="
1174 $ARCH_EXT_LIST
1175 $CONFIG_LIST
1176 $THREADS_LIST
1177 asm
1178 cross_compile
1179 debug
1180 extra_warnings
1181 logging
1182 optimizations
1183 symver
1184 yasm
1185 "
1186
1187 PATHS_LIST='
1188 bindir
1189 datadir
1190 incdir
1191 libdir
1192 mandir
1193 prefix
1194 shlibdir
1195 '
1196
1197 CMDLINE_SET="
1198 $PATHS_LIST
1199 ar
1200 arch
1201 as
1202 build_suffix
1203 cc
1204 cpu
1205 cross_prefix
1206 dep_cc
1207 extra_version
1208 host_cc
1209 host_cflags
1210 host_ldflags
1211 host_libs
1212 host_os
1213 ld
1214 logfile
1215 malloc_prefix
1216 nm
1217 optflags
1218 pkg_config
1219 samples
1220 sysinclude
1221 sysroot
1222 target_exec
1223 target_os
1224 target_path
1225 "
1226
1227 CMDLINE_APPEND="
1228 extra_cflags
1229 "
1230
1231 # code dependency declarations
1232
1233 # architecture extensions
1234
1235 armv5te_deps="arm"
1236 armv6_deps="arm"
1237 armv6t2_deps="arm"
1238 armvfp_deps="arm"
1239 neon_deps="arm"
1240 vfpv3_deps="armvfp"
1241
1242 mmi_deps="mips"
1243
1244 altivec_deps="ppc"
1245 ppc4xx_deps="ppc"
1246
1247 vis_deps="sparc"
1248
1249 x86_64_suggest="cmov fast_cmov"
1250 amd3dnow_deps="mmx"
1251 amd3dnowext_deps="amd3dnow"
1252 mmx_deps="x86"
1253 mmx2_deps="mmx"
1254 sse_deps="mmx"
1255 ssse3_deps="sse"
1256 avx_deps="ssse3"
1257
1258 aligned_stack_if_any="ppc x86"
1259 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1260 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1261 fast_unaligned_if_any="armv6 ppc x86"
1262
1263 inline_asm_deps="!tms470"
1264 need_memalign="altivec neon sse"
1265
1266 symver_if_any="symver_asm_label symver_gnu_asm"
1267
1268 # subsystems
1269 dct_select="rdft"
1270 mdct_select="fft"
1271 rdft_select="fft"
1272 mpegaudiodsp_select="dct"
1273
1274 # decoders / encoders / hardware accelerators
1275 aac_decoder_select="mdct sinewin"
1276 aac_encoder_select="mdct sinewin"
1277 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1278 ac3_decoder_select="mdct ac3dsp ac3_parser"
1279 ac3_encoder_select="mdct ac3dsp"
1280 ac3_fixed_encoder_select="mdct ac3dsp"
1281 alac_encoder_select="lpc"
1282 amrnb_decoder_select="lsp"
1283 amrwb_decoder_select="lsp"
1284 atrac1_decoder_select="mdct sinewin"
1285 atrac3_decoder_select="mdct"
1286 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1287 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1288 cavs_decoder_select="golomb"
1289 cook_decoder_select="mdct sinewin"
1290 cscd_decoder_suggest="zlib"
1291 dca_decoder_select="mdct"
1292 dnxhd_encoder_select="aandct"
1293 dxa_decoder_select="zlib"
1294 eac3_decoder_select="ac3_decoder"
1295 eac3_encoder_select="mdct ac3dsp"
1296 eamad_decoder_select="aandct"
1297 eatgq_decoder_select="aandct"
1298 eatqi_decoder_select="aandct"
1299 ffv1_decoder_select="golomb"
1300 flac_decoder_select="golomb"
1301 flac_encoder_select="golomb lpc"
1302 flashsv_decoder_select="zlib"
1303 flashsv_encoder_select="zlib"
1304 flashsv2_decoder_select="zlib"
1305 flv_decoder_select="h263_decoder"
1306 flv_encoder_select="h263_encoder"
1307 fraps_decoder_select="huffman"
1308 h261_encoder_select="aandct"
1309 h263_decoder_select="h263_parser"
1310 h263_encoder_select="aandct"
1311 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1312 h263i_decoder_select="h263_decoder"
1313 h263p_encoder_select="h263_encoder"
1314 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1315 h264_dxva2_hwaccel_deps="dxva2api_h"
1316 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1317 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1318 h264_vda_hwaccel_select="vda h264_decoder"
1319 h264_vdpau_decoder_select="vdpau h264_decoder"
1320 imc_decoder_select="fft mdct sinewin"
1321 jpegls_decoder_select="golomb"
1322 jpegls_encoder_select="golomb"
1323 ljpeg_encoder_select="aandct"
1324 loco_decoder_select="golomb"
1325 mjpeg_encoder_select="aandct"
1326 mlp_decoder_select="mlp_parser"
1327 mp1_decoder_select="mpegaudiodsp"
1328 mp1float_decoder_select="mpegaudiodsp"
1329 mp2_decoder_select="mpegaudiodsp"
1330 mp2float_decoder_select="mpegaudiodsp"
1331 mp3_decoder_select="mpegaudiodsp"
1332 mp3adu_decoder_select="mpegaudiodsp"
1333 mp3adufloat_decoder_select="mpegaudiodsp"
1334 mp3float_decoder_select="mpegaudiodsp"
1335 mp3on4_decoder_select="mpegaudiodsp"
1336 mp3on4float_decoder_select="mpegaudiodsp"
1337 mpc7_decoder_select="mpegaudiodsp"
1338 mpc8_decoder_select="mpegaudiodsp"
1339 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1340 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1341 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1342 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1343 mpeg1video_encoder_select="aandct"
1344 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1345 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1346 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1347 mpeg2video_encoder_select="aandct"
1348 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1349 mpeg4_encoder_select="h263_encoder"
1350 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1351 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1352 msmpeg4v1_decoder_select="h263_decoder"
1353 msmpeg4v1_encoder_select="h263_encoder"
1354 msmpeg4v2_decoder_select="h263_decoder"
1355 msmpeg4v2_encoder_select="h263_encoder"
1356 msmpeg4v3_decoder_select="h263_decoder"
1357 msmpeg4v3_encoder_select="h263_encoder"
1358 nellymoser_decoder_select="mdct sinewin"
1359 nellymoser_encoder_select="mdct sinewin"
1360 png_decoder_select="zlib"
1361 png_encoder_select="zlib"
1362 qcelp_decoder_select="lsp"
1363 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1364 ra_144_encoder_select="lpc"
1365 ralf_decoder_select="golomb"
1366 rv10_decoder_select="h263_decoder"
1367 rv10_encoder_select="h263_encoder"
1368 rv20_decoder_select="h263_decoder"
1369 rv20_encoder_select="h263_encoder"
1370 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1371 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1372 shorten_decoder_select="golomb"
1373 sipr_decoder_select="lsp"
1374 snow_decoder_select="dwt"
1375 snow_encoder_select="aandct dwt"
1376 svq1_encoder_select="aandct"
1377 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1378 svq3_decoder_suggest="zlib"
1379 theora_decoder_select="vp3_decoder"
1380 tiff_decoder_suggest="zlib"
1381 tiff_encoder_suggest="zlib"
1382 truehd_decoder_select="mlp_decoder"
1383 tscc_decoder_select="zlib"
1384 twinvq_decoder_select="mdct lsp sinewin"
1385 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1386 vc1_dxva2_hwaccel_deps="dxva2api_h"
1387 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1388 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1389 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1390 vc1image_decoder_select="vc1_decoder"
1391 vorbis_decoder_select="mdct"
1392 vorbis_encoder_select="mdct"
1393 vp6_decoder_select="huffman"
1394 vp6a_decoder_select="vp6_decoder"
1395 vp6f_decoder_select="vp6_decoder"
1396 vp8_decoder_select="h264pred h264qpel"
1397 wmapro_decoder_select="mdct sinewin"
1398 wmav1_decoder_select="mdct sinewin"
1399 wmav1_encoder_select="mdct sinewin"
1400 wmav2_decoder_select="mdct sinewin"
1401 wmav2_encoder_select="mdct sinewin"
1402 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1403 wmv1_decoder_select="h263_decoder"
1404 wmv1_encoder_select="h263_encoder"
1405 wmv2_decoder_select="h263_decoder"
1406 wmv2_encoder_select="h263_encoder"
1407 wmv3_decoder_select="vc1_decoder"
1408 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1409 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1410 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1411 wmv3image_decoder_select="wmv3_decoder"
1412 zerocodec_decoder_select="zlib"
1413 zlib_decoder_select="zlib"
1414 zlib_encoder_select="zlib"
1415 zmbv_decoder_select="zlib"
1416 zmbv_encoder_select="zlib"
1417
1418 vaapi_deps="va_va_h"
1419 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1420 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1421
1422 # parsers
1423 h264_parser_select="golomb h264dsp h264pred"
1424
1425 # external libraries
1426 libfaac_encoder_deps="libfaac"
1427 libgsm_decoder_deps="libgsm"
1428 libgsm_encoder_deps="libgsm"
1429 libgsm_ms_decoder_deps="libgsm"
1430 libgsm_ms_encoder_deps="libgsm"
1431 libmp3lame_encoder_deps="libmp3lame"
1432 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1433 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1434 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1435 libopenjpeg_decoder_deps="libopenjpeg"
1436 libschroedinger_decoder_deps="libschroedinger"
1437 libschroedinger_encoder_deps="libschroedinger"
1438 libspeex_decoder_deps="libspeex"
1439 libspeex_encoder_deps="libspeex"
1440 libtheora_encoder_deps="libtheora"
1441 libvo_aacenc_encoder_deps="libvo_aacenc"
1442 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1443 libvorbis_encoder_deps="libvorbis"
1444 libvpx_decoder_deps="libvpx"
1445 libvpx_encoder_deps="libvpx"
1446 libx264_encoder_deps="libx264"
1447 libxavs_encoder_deps="libxavs"
1448 libxvid_encoder_deps="libxvid"
1449
1450 # demuxers / muxers
1451 ac3_demuxer_select="ac3_parser"
1452 asf_stream_muxer_select="asf_muxer"
1453 avisynth_demuxer_deps="avisynth"
1454 dirac_demuxer_select="dirac_parser"
1455 eac3_demuxer_select="ac3_parser"
1456 flac_demuxer_select="flac_parser"
1457 ipod_muxer_select="mov_muxer"
1458 libnut_demuxer_deps="libnut"
1459 libnut_muxer_deps="libnut"
1460 matroska_audio_muxer_select="matroska_muxer"
1461 matroska_demuxer_suggest="zlib bzlib"
1462 mov_demuxer_suggest="zlib"
1463 mp3_demuxer_select="mpegaudio_parser"
1464 mp4_muxer_select="mov_muxer"
1465 mpegtsraw_demuxer_select="mpegts_demuxer"
1466 mxf_d10_muxer_select="mxf_muxer"
1467 ogg_demuxer_select="golomb"
1468 psp_muxer_select="mov_muxer"
1469 rtp_demuxer_select="sdp_demuxer"
1470 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1471 rtsp_demuxer_select="http_protocol rtpdec"
1472 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1473 sap_demuxer_select="sdp_demuxer"
1474 sap_muxer_select="rtp_muxer rtp_protocol"
1475 sdp_demuxer_select="rtpdec"
1476 spdif_muxer_select="aac_parser"
1477 tg2_muxer_select="mov_muxer"
1478 tgp_muxer_select="mov_muxer"
1479 w64_demuxer_deps="wav_demuxer"
1480
1481 # indevs / outdevs
1482 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1483 alsa_outdev_deps="alsa_asoundlib_h"
1484 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1485 dv1394_indev_deps="dv1394 dv_demuxer"
1486 fbdev_indev_deps="linux_fb_h"
1487 jack_indev_deps="jack_jack_h"
1488 libcdio_indev_deps="libcdio"
1489 libdc1394_indev_deps="libdc1394"
1490 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1491 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1492 pulse_indev_deps="libpulse"
1493 sndio_indev_deps="sndio_h"
1494 sndio_outdev_deps="sndio_h"
1495 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1496 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1497 vfwcap_indev_extralibs="-lavicap32"
1498 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1499
1500 # protocols
1501 gopher_protocol_deps="network"
1502 httpproxy_protocol_deps="network"
1503 httpproxy_protocol_select="tcp_protocol"
1504 http_protocol_deps="network"
1505 http_protocol_select="tcp_protocol"
1506 https_protocol_select="tls_protocol"
1507 librtmp_protocol_deps="librtmp"
1508 librtmpe_protocol_deps="librtmp"
1509 librtmps_protocol_deps="librtmp"
1510 librtmpt_protocol_deps="librtmp"
1511 librtmpte_protocol_deps="librtmp"
1512 mmsh_protocol_select="http_protocol"
1513 mmst_protocol_deps="network"
1514 rtmp_protocol_deps="!librtmp_protocol"
1515 rtmp_protocol_select="tcp_protocol"
1516 rtp_protocol_select="udp_protocol"
1517 sctp_protocol_deps="network netinet_sctp_h"
1518 tcp_protocol_deps="network"
1519 tls_protocol_deps_any="openssl gnutls"
1520 tls_protocol_select="tcp_protocol"
1521 udp_protocol_deps="network"
1522
1523 # filters
1524 blackframe_filter_deps="gpl"
1525 boxblur_filter_deps="gpl"
1526 cropdetect_filter_deps="gpl"
1527 delogo_filter_deps="gpl"
1528 drawtext_filter_deps="libfreetype"
1529 frei0r_filter_deps="frei0r dlopen strtok_r"
1530 frei0r_filter_extralibs='$ldl'
1531 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1532 frei0r_src_filter_extralibs='$ldl'
1533 hqdn3d_filter_deps="gpl"
1534 resample_filter_deps="avresample"
1535 ocv_filter_deps="libopencv"
1536 yadif_filter_deps="gpl"
1537
1538 # libraries
1539 avdevice_deps="avcodec avformat"
1540 avfilter_deps="swscale"
1541 avformat_deps="avcodec"
1542
1543 # programs
1544 avconv_deps="avcodec avfilter avformat avresample swscale format_filter"
1545 avplay_deps="avcodec avformat swscale sdl"
1546 avplay_select="rdft"
1547 avprobe_deps="avcodec avformat"
1548 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1549 avserver_extralibs='$ldl'
1550
1551 doc_deps="texi2html"
1552
1553 # tests
1554
1555 test_deps(){
1556 suf1=$1
1557 suf2=$2
1558 shift 2
1559 for v; do
1560 dep=${v%=*}
1561 tests=${v#*=}
1562 for name in ${tests}; do
1563 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1564 done
1565 done
1566 }
1567
1568 mxf_d10_test_deps="avfilter"
1569 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1570
1571 test_deps _encoder _decoder \
1572 adpcm_ima_qt \
1573 adpcm_ima_wav \
1574 adpcm_ms \
1575 adpcm_swf \
1576 adpcm_yamaha=adpcm_yam \
1577 alac \
1578 asv1 \
1579 asv2 \
1580 bmp \
1581 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1582 dvvideo="dv dv_411 dv50" \
1583 ffv1 \
1584 flac \
1585 flashsv \
1586 flv \
1587 adpcm_g726=g726 \
1588 gif \
1589 h261 \
1590 h263="h263 h263p" \
1591 huffyuv \
1592 jpegls \
1593 mjpeg="jpg mjpeg ljpeg" \
1594 mp2 \
1595 mpeg1video="mpeg mpeg1b" \
1596 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1597 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1598 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1599 mpeg4="mpeg4thread error rc" \
1600 msmpeg4v3=msmpeg4 \
1601 msmpeg4v2 \
1602 pbm=pbmpipe \
1603 pcx \
1604 pgm="pgm pgmpipe" \
1605 png \
1606 ppm="ppm ppmpipe" \
1607 rawvideo="rgb yuv" \
1608 roq \
1609 rv10 \
1610 rv20 \
1611 sgi \
1612 snow="snow snowll" \
1613 svq1 \
1614 targa=tga \
1615 tiff \
1616 wmav1 \
1617 wmav2 \
1618 wmv1 \
1619 wmv2 \
1620
1621 test_deps _muxer _demuxer \
1622 aiff \
1623 pcm_alaw=alaw \
1624 asf \
1625 au \
1626 avi \
1627 dv=dv_fmt \
1628 ffm \
1629 flv=flv_fmt \
1630 gxf \
1631 matroska=mkv \
1632 mmf \
1633 mov \
1634 pcm_mulaw=mulaw \
1635 mxf="mxf mxf_d10" \
1636 nut \
1637 ogg \
1638 rawvideo=pixfmt \
1639 rm \
1640 swf \
1641 mpegts=ts \
1642 voc \
1643 wav \
1644 yuv4mpegpipe=yuv4mpeg \
1645
1646 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1647 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1648
1649 # default parameters
1650
1651 logfile="config.log"
1652
1653 # installation paths
1654 prefix_default="/usr/local"
1655 bindir_default='${prefix}/bin'
1656 datadir_default='${prefix}/share/avconv'
1657 incdir_default='${prefix}/include'
1658 libdir_default='${prefix}/lib'
1659 mandir_default='${prefix}/share/man'
1660 shlibdir_default="$libdir_default"
1661
1662 # toolchain
1663 ar_default="ar"
1664 cc_default="gcc"
1665 cc_version=\"unknown\"
1666 host_cc_default="gcc"
1667 ln_s="ln -sf"
1668 nm_default="nm"
1669 objformat="elf"
1670 pkg_config_default=pkg-config
1671 ranlib="ranlib"
1672 yasmexe="yasm"
1673
1674 nm_opts='-g'
1675 nogas=":"
1676
1677 # machine
1678 arch_default=$(uname -m)
1679 cpu="generic"
1680
1681 # OS
1682 target_os_default=$(tolower $(uname -s))
1683 host_os=$target_os_default
1684
1685 # configurable options
1686 enable $PROGRAM_LIST
1687
1688 enable avcodec
1689 enable avdevice
1690 enable avfilter
1691 enable avformat
1692 enable avresample
1693 enable avutil
1694 enable swscale
1695
1696 enable asm
1697 enable debug
1698 enable doc
1699 enable fastdiv
1700 enable network
1701 enable optimizations
1702 enable safe_bitstream_reader
1703 enable static
1704 enable swscale_alpha
1705
1706 # build settings
1707 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1708 AVSERVERLDFLAGS=-Wl,-E
1709 LIBPREF="lib"
1710 LIBSUF=".a"
1711 FULLNAME='$(NAME)$(BUILDSUF)'
1712 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1713 SLIBPREF="lib"
1714 SLIBSUF=".so"
1715 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1716 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1717 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1718 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1719 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1720 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1721
1722 AS_O='-o $@'
1723 CC_O='-o $@'
1724
1725 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1726 host_libs='-lm'
1727
1728 target_path='$(CURDIR)'
1729
1730 # since the object filename is not given with the -MM flag, the compiler
1731 # is only able to print the basename, and we must add the path ourselves
1732 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1733 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1734
1735 # find source path
1736 if test -f configure; then
1737 source_path=.
1738 else
1739 source_path=$(cd $(dirname "$0"); pwd)
1740 echo "$source_path" | grep -q '[[:blank:]]' &&
1741 die "Out of tree builds are impossible with whitespace in source path."
1742 test -e "$source_path/config.h" &&
1743 die "Out of tree builds are impossible with config.h in source dir."
1744 fi
1745
1746 for v in "$@"; do
1747 r=${v#*=}
1748 l=${v%"$r"}
1749 r=$(sh_quote "$r")
1750 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1751 done
1752
1753 find_things(){
1754 thing=$1
1755 pattern=$2
1756 file=$source_path/$3
1757 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1758 }
1759
1760 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1761 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1762 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1763 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1764 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1765 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1766 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1767 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1768 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1769 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1770 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1771
1772 ALL_COMPONENTS="
1773 $BSF_LIST
1774 $DECODER_LIST
1775 $DEMUXER_LIST
1776 $ENCODER_LIST
1777 $FILTER_LIST
1778 $HWACCEL_LIST
1779 $INDEV_LIST
1780 $MUXER_LIST
1781 $OUTDEV_LIST
1782 $PARSER_LIST
1783 $PROTOCOL_LIST
1784 "
1785
1786 find_tests(){
1787 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1788 }
1789
1790 ACODEC_TESTS=$(find_tests acodec)
1791 VCODEC_TESTS=$(find_tests vsynth1)
1792 LAVF_TESTS=$(find_tests lavf)
1793 LAVFI_TESTS=$(find_tests lavfi)
1794 SEEK_TESTS=$(find_tests seek seek_)
1795
1796 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1797
1798 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1799
1800 for n in $COMPONENT_LIST; do
1801 v=$(toupper ${n%s})_LIST
1802 eval enable \$$v
1803 eval ${n}_if_any="\$$v"
1804 done
1805
1806 enable $ARCH_EXT_LIST $ALL_TESTS
1807
1808 die_unknown(){
1809 echo "Unknown option \"$1\"."
1810 echo "See $0 --help for available options."
1811 exit 1
1812 }
1813
1814 show_list() {
1815 suffix=_$1
1816 shift
1817 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1818 exit 0
1819 }
1820
1821 for opt do
1822 optval="${opt#*=}"
1823 case "$opt" in
1824 --extra-ldflags=*) add_ldflags $optval
1825 ;;
1826 --extra-libs=*) add_extralibs $optval
1827 ;;
1828 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1829 ;;
1830 --enable-debug=*) debuglevel="$optval"
1831 ;;
1832 --disable-everything)
1833 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1834 ;;
1835 --enable-*=*|--disable-*=*)
1836 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1837 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1838 eval list=\$$(toupper $thing)_LIST
1839 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1840 $action $(filter "$name" $list)
1841 ;;
1842 --enable-?*|--disable-?*)
1843 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1844 if is_in $option $COMPONENT_LIST; then
1845 test $action = disable && action=unset
1846 eval $action \$$(toupper ${option%s})_LIST
1847 elif is_in $option $CMDLINE_SELECT; then
1848 $action $option
1849 else
1850 die_unknown $opt
1851 fi
1852 ;;
1853 --list-*)
1854 NAME="${opt#--list-}"
1855 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1856 NAME=${NAME%s}
1857 eval show_list $NAME \$$(toupper $NAME)_LIST
1858 ;;
1859 --help|-h) show_help
1860 ;;
1861 *)
1862 optname="${opt%%=*}"
1863 optname="${optname#--}"
1864 optname=$(echo "$optname" | sed 's/-/_/g')
1865 if is_in $optname $CMDLINE_SET; then
1866 eval $optname='$optval'
1867 elif is_in $optname $CMDLINE_APPEND; then
1868 append $optname "$optval"
1869 else
1870 die_unknown $opt
1871 fi
1872 ;;
1873 esac
1874 done
1875
1876 disabled logging && logfile=/dev/null
1877
1878 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1879 set >> $logfile
1880
1881 test -n "$cross_prefix" && enable cross_compile
1882
1883 if enabled cross_compile; then
1884 test -n "$arch" && test -n "$target_os" ||
1885 die "Must specify target arch and OS when cross-compiling"
1886 fi
1887
1888 set_default arch target_os
1889
1890 ar_default="${cross_prefix}${ar_default}"
1891 cc_default="${cross_prefix}${cc_default}"
1892 nm_default="${cross_prefix}${nm_default}"
1893 pkg_config_default="${cross_prefix}${pkg_config_default}"
1894 ranlib="${cross_prefix}${ranlib}"
1895
1896 sysinclude_default="${sysroot}/usr/include"
1897
1898 set_default cc nm pkg_config sysinclude
1899 enabled cross_compile || host_cc_default=$cc
1900 set_default host_cc
1901
1902 if ! $pkg_config --version >/dev/null 2>&1; then
1903 warn "$pkg_config not found, library detection may fail."
1904 pkg_config=false
1905 fi
1906
1907 exesuf() {
1908 case $1 in
1909 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1910 esac
1911 }
1912
1913 EXESUF=$(exesuf $target_os)
1914 HOSTEXESUF=$(exesuf $host_os)
1915
1916 # set temporary file name
1917 : ${TMPDIR:=$TEMPDIR}
1918 : ${TMPDIR:=$TMP}
1919 : ${TMPDIR:=/tmp}
1920
1921 if ! check_cmd mktemp -u XXXXXX; then
1922 # simple replacement for missing mktemp
1923 # NOT SAFE FOR GENERAL USE
1924 mktemp(){
1925 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1926 }
1927 fi
1928
1929 tmpfile(){
1930 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1931 (set -C; exec > $tmp) 2>/dev/null ||
1932 die "Unable to create temporary file in $TMPDIR."
1933 append TMPFILES $tmp
1934 eval $1=$tmp
1935 }
1936
1937 trap 'rm -f -- $TMPFILES' EXIT
1938
1939 tmpfile TMPASM .asm
1940 tmpfile TMPC .c
1941 tmpfile TMPE $EXESUF
1942 tmpfile TMPH .h
1943 tmpfile TMPO .o
1944 tmpfile TMPS .S
1945 tmpfile TMPSH .sh
1946 tmpfile TMPV .ver
1947
1948 unset -f mktemp
1949
1950 chmod +x $TMPE
1951
1952 # make sure we can execute files in $TMPDIR
1953 cat > $TMPSH 2>> $logfile <<EOF
1954 #! /bin/sh
1955 EOF
1956 chmod +x $TMPSH >> $logfile 2>&1
1957 if ! $TMPSH >> $logfile 2>&1; then
1958 cat <<EOF
1959 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1960 variable to another directory and make sure that it is not mounted noexec.
1961 EOF
1962 die "Sanity test failed."
1963 fi
1964
1965 filter_asflags=echo
1966 filter_cflags=echo
1967 filter_cppflags=echo
1968
1969 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1970 cc_type=llvm_gcc
1971 cc_version=__VERSION__
1972 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1973 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1974 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1975 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1976 speed_cflags='-O3'
1977 size_cflags='-Os'
1978 elif $cc -v 2>&1 | grep -qi ^gcc; then
1979 cc_type=gcc
1980 cc_version=__VERSION__
1981 gcc_version=$($cc --version | head -n1)
1982 gcc_basever=$($cc -dumpversion)
1983 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1984 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1985 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1986 if ! $cc -dumpversion | grep -q '^2\.'; then
1987 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1988 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1989 fi
1990 speed_cflags='-O3'
1991 size_cflags='-Os'
1992 elif $cc --version 2>/dev/null | grep -q Intel; then
1993 cc_type=icc
1994 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1995 cc_ident=$($cc --version | head -n1)
1996 icc_version=$($cc -dumpversion)
1997 CC_DEPFLAGS='-MMD'
1998 AS_DEPFLAGS='-MMD'
1999 speed_cflags='-O3'
2000 size_cflags='-Os'
2001 noopt_cflags='-O1'
2002 elif $cc -v 2>&1 | grep -q xlc; then
2003 cc_type=xlc
2004 cc_version="AV_STRINGIFY(__IBMC__)"
2005 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2006 speed_cflags='-O5'
2007 size_cflags='-O5 -qcompact'
2008 elif $cc -V 2>/dev/null | grep -q Compaq; then
2009 cc_type=ccc
2010 cc_version="AV_STRINGIFY(__DECC_VER)"
2011 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2012 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2013 debuglevel=3
2014 add_ldflags -Wl,-z,now # calls to libots crash without this
2015 speed_cflags='-fast'
2016 size_cflags='-O1'
2017 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2018 test -d "$sysroot" || die "No valid sysroot specified."
2019 cc_type=armcc
2020 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2021 cc_ident=$($cc --vsn | head -n1)
2022 armcc_conf="$PWD/armcc.conf"
2023 $cc --arm_linux_configure \
2024 --arm_linux_config_file="$armcc_conf" \
2025 --configure_sysroot="$sysroot" \
2026 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2027 die "Error creating armcc configuration file."
2028 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2029 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2030 as_default="${cross_prefix}gcc"
2031 CC_DEPFLAGS='-MMD'
2032 AS_DEPFLAGS='-MMD'
2033 speed_cflags='-O3'
2034 size_cflags='-Os'
2035 filter_asflags="filter_out -W${armcc_opt}*"
2036 elif $cc -version 2>/dev/null | grep -q TMS470; then
2037 cc_type=tms470
2038 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2039 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2040 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2041 CC_O='-fr=$(@D)'
2042 as_default="${cross_prefix}gcc"
2043 ld_default="${cross_prefix}gcc"
2044 TMPO=$(basename $TMPC .c).o
2045 append TMPFILES $TMPO
2046 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2047 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2048 AS_DEPFLAGS='-MMD'
2049 speed_cflags='-O3 -mf=5'
2050 size_cflags='-O3 -mf=2'
2051 filter_cflags=tms470_flags
2052 tms470_flags(){
2053 for flag; do
2054 case $flag in
2055 -march=*|-mcpu=*)
2056 case "${flag#*=}" in
2057 armv7-a|cortex-a*) echo -mv=7a8 ;;
2058 armv7-r|cortex-r*) echo -mv=7r4 ;;
2059 armv7-m|cortex-m*) echo -mv=7m3 ;;
2060 armv6*|arm11*) echo -mv=6 ;;
2061 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2062 echo -mv=5e ;;
2063 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2064 esac
2065 ;;
2066 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2067 -mfpu=vfp) echo --float_support=vfpv2 ;;
2068 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2069 -msoft-float) echo --float_support=vfplib ;;
2070 -O[0-3]|-mf=*) echo $flag ;;
2071 -g) echo -g -mn ;;
2072 -pds=*) echo $flag ;;
2073 esac
2074 done
2075 }
2076 elif $cc -v 2>&1 | grep -q clang; then
2077 cc_type=clang
2078 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2079 cc_version=__clang_version__ || cc_version=__VERSION__
2080 cc_ident=$($cc --version | head -n1)
2081 CC_DEPFLAGS='-MMD'
2082 AS_DEPFLAGS='-MMD'
2083 speed_cflags='-O3'
2084 size_cflags='-Os'
2085 elif $cc -V 2>&1 | grep -q Sun; then
2086 cc_type=suncc
2087 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2088 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2089 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2090 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2091 add_ldflags -xc99
2092 speed_cflags='-O5'
2093 size_cflags='-O5 -xspace'
2094 filter_cflags=suncc_flags
2095 suncc_flags(){
2096 for flag; do
2097 case $flag in
2098 -march=*|-mcpu=*)
2099 case "${flag#*=}" in
2100 native) echo -xtarget=native ;;
2101 v9|niagara) echo -xarch=sparc ;;
2102 ultrasparc) echo -xarch=sparcvis ;;
2103 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2104 i586|pentium) echo -xchip=pentium ;;
2105 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2106 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2107 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2108 pentium4*) echo -xtarget=pentium4 ;;
2109 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2110 *-sse3) echo -xarch=sse3 ;;
2111 core2) echo -xarch=ssse3 -xchip=core2 ;;
2112 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2113 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2114 k8|opteron|athlon64|athlon-fx)
2115 echo -xarch=sse2a ;;
2116 athlon*) echo -xarch=pentium_proa ;;
2117 esac
2118 ;;
2119 -std=c99) echo -xc99 ;;
2120 -fomit-frame-pointer) echo -xregs=frameptr ;;
2121 -fPIC) echo -KPIC -xcode=pic32 ;;
2122 -W*,*) echo $flag ;;
2123 -f*-*|-W*) ;;
2124 *) echo $flag ;;
2125 esac
2126 done
2127 }
2128 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2129 cc_type=pathscale
2130 cc_version=__PATHSCALE__
2131 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2132 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2133 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2134 speed_cflags='-O2'
2135 size_cflags='-Os'
2136 filter_cflags='filter_out -Wdisabled-optimization'
2137 elif $cc -v 2>&1 | grep -q Open64; then
2138 cc_type=open64
2139 cc_version=__OPEN64__
2140 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2141 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2142 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2143 speed_cflags='-O2'
2144 size_cflags='-Os'
2145 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2146 elif $cc -V 2>&1 | grep -q Portland; then
2147 cc_type=pgi
2148 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2149 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2150 opt_common='-alias=ansi -Mlre -Mpre'
2151 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2152 size_cflags="-O2 -Munroll=c:1 $opt_common"
2153 noopt_cflags="-O1"
2154 filter_cflags=pgi_flags
2155 pgi_flags(){
2156 for flag; do
2157 case $flag in
2158 -fomit-frame-pointer) echo -Mnoframe ;;
2159 -g) echo -gopt ;;
2160 *) echo $flag ;;
2161 esac
2162 done
2163 }
2164 fi
2165
2166 test -n "$cc_type" && enable $cc_type ||
2167 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2168
2169 : ${as_default:=$cc}
2170 : ${dep_cc_default:=$cc}
2171 : ${ld_default:=$cc}
2172 set_default ar as dep_cc ld
2173
2174 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2175 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2176
2177 add_cflags $extra_cflags
2178 add_asflags $extra_cflags
2179
2180 if test -n "$sysroot"; then
2181 case "$cc_type" in
2182 gcc|llvm_gcc|clang)
2183 add_cppflags --sysroot="$sysroot"
2184 add_ldflags --sysroot="$sysroot"
2185 ;;
2186 tms470)
2187 add_cppflags -I"$sysinclude"
2188 add_ldflags --sysroot="$sysroot"
2189 ;;
2190 esac
2191 fi
2192
2193 if test "$cpu" = host; then
2194 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2195
2196 case "$cc_type" in
2197 gcc|llvm_gcc)
2198 check_native(){
2199 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2200 sed -n "/cc1.*$1=/{
2201 s/.*$1=\\([^ ]*\\).*/\\1/
2202 p
2203 q
2204 }" $TMPE
2205 }
2206 cpu=$(check_native -march || check_native -mcpu)
2207 ;;
2208 esac
2209
2210 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2211 fi
2212
2213 # Deal with common $arch aliases
2214 case "$arch" in
2215 arm*)
2216 arch="arm"
2217 ;;
2218 mips|mipsel|IP*)
2219 arch="mips"
2220 ;;
2221 mips64*)
2222 arch="mips"
2223 subarch="mips64"
2224 ;;
2225 parisc|hppa)
2226 arch="parisc"
2227 ;;
2228 parisc64|hppa64)
2229 arch="parisc"
2230 subarch="parisc64"
2231 ;;
2232 "Power Macintosh"|ppc|powerpc)
2233 arch="ppc"
2234 ;;
2235 ppc64|powerpc64)
2236 arch="ppc"
2237 subarch="ppc64"
2238 ;;
2239 s390|s390x)
2240 arch="s390"
2241 ;;
2242 sh4|sh)
2243 arch="sh4"
2244 ;;
2245 sun4u|sparc64)
2246 arch="sparc"
2247 subarch="sparc64"
2248 ;;
2249 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2250 arch="x86"
2251 ;;
2252 esac
2253
2254 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2255 enable $arch
2256
2257 # Add processor-specific flags
2258 if test "$cpu" = generic; then
2259 : do nothing
2260 elif enabled ppc; then
2261
2262 case $(tolower $cpu) in
2263 601|ppc601|powerpc601)
2264 cpuflags="-mcpu=601"
2265 disable altivec
2266 ;;
2267 603*|ppc603*|powerpc603*)
2268 cpuflags="-mcpu=603"
2269 disable altivec
2270 ;;
2271 604*|ppc604*|powerpc604*)
2272 cpuflags="-mcpu=604"
2273 disable altivec
2274 ;;
2275 g3|75*|ppc75*|powerpc75*)
2276 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2277 disable altivec
2278 ;;
2279 g4|745*|ppc745*|powerpc745*)
2280 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2281 ;;
2282 74*|ppc74*|powerpc74*)
2283 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2284 ;;
2285 g5|970|ppc970|powerpc970)
2286 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2287 ;;
2288 power[3-7]*)
2289 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2290 ;;
2291 cell)
2292 cpuflags="-mcpu=cell"
2293 enable ldbrx
2294 ;;
2295 e500v2)
2296 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2297 disable altivec
2298 ;;
2299 e500)
2300 cpuflags="-mcpu=8540 -mhard-float"
2301 disable altivec
2302 ;;
2303 esac
2304
2305 elif enabled x86; then
2306
2307 case $cpu in
2308 i[345]86|pentium)
2309 cpuflags="-march=$cpu"
2310 disable mmx
2311 ;;
2312 # targets that do NOT support conditional mov (cmov)
2313 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2314 cpuflags="-march=$cpu"
2315 disable cmov
2316 ;;
2317 # targets that do support conditional mov (cmov)
2318 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2319 cpuflags="-march=$cpu"
2320 enable cmov
2321 enable fast_cmov
2322 ;;
2323 # targets that do support conditional mov but on which it's slow
2324 pentium4|pentium4m|prescott|nocona)
2325 cpuflags="-march=$cpu"
2326 enable cmov
2327 disable fast_cmov
2328 ;;
2329 esac
2330
2331 elif enabled sparc; then
2332
2333 case $cpu in
2334 niagara)
2335 cpuflags="-mcpu=$cpu"
2336 disable vis
2337 ;;
2338 sparc64)
2339 cpuflags="-mcpu=v9"
2340 ;;
2341 esac
2342
2343 elif enabled arm; then
2344
2345 case $cpu in
2346 armv*)
2347 cpuflags="-march=$cpu"
2348 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2349 ;;
2350 *)
2351 cpuflags="-mcpu=$cpu"
2352 case $cpu in
2353 cortex-a*) subarch=armv7a ;;
2354 cortex-r*) subarch=armv7r ;;
2355 cortex-m*) enable thumb; subarch=armv7m ;;
2356 arm11*) subarch=armv6 ;;
2357 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2358 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2359 esac
2360 ;;
2361 esac
2362
2363 elif enabled alpha; then
2364
2365 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2366
2367 elif enabled bfin; then
2368
2369 cpuflags="-mcpu=$cpu"
2370
2371 elif enabled mips; then
2372
2373 cpuflags="-march=$cpu"
2374
2375 elif enabled avr32; then
2376
2377 case $cpu in
2378 ap7[02]0[0-2])
2379 subarch="avr32_ap"
2380 cpuflags="-mpart=$cpu"
2381 ;;
2382 ap)
2383 subarch="avr32_ap"
2384 cpuflags="-march=$cpu"
2385 ;;
2386 uc3[ab]*)
2387 subarch="avr32_uc"
2388 cpuflags="-mcpu=$cpu"
2389 ;;
2390 uc)
2391 subarch="avr32_uc"
2392 cpuflags="-march=$cpu"
2393 ;;
2394 esac
2395
2396 fi
2397
2398 add_cflags $cpuflags
2399 add_asflags $cpuflags
2400
2401 # compiler sanity check
2402 check_exec <<EOF
2403 int main(void){ return 0; }
2404 EOF
2405 if test "$?" != 0; then
2406 echo "$cc is unable to create an executable file."
2407 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2408 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2409 echo "Only do this if you know what cross compiling means."
2410 fi
2411 die "C compiler test failed."
2412 fi
2413
2414 add_cppflags -D_ISOC99_SOURCE
2415 check_cflags -std=c99
2416 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2417 #include <stdlib.h>
2418 EOF
2419 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2420 #include <stdlib.h>
2421 EOF
2422
2423 check_host_cflags -std=c99
2424 check_host_cflags -Wall
2425
2426 case "$arch" in
2427 alpha|ia64|mips|parisc|sparc)
2428 spic=$shared
2429 ;;
2430 x86)
2431 subarch="x86_32"
2432 check_cc <<EOF && subarch="x86_64"
2433 int test[(int)sizeof(char*) - 7];
2434 EOF
2435 if test "$subarch" = "x86_64"; then
2436 spic=$shared
2437 fi
2438 ;;
2439 esac
2440
2441 enable $subarch
2442 enabled spic && enable pic
2443
2444 # OS specific
2445 case $target_os in
2446 haiku)
2447 prefix_default="/boot/common"
2448 network_extralibs="-lnetwork"
2449 host_libs=
2450 ;;
2451 sunos)
2452 AVSERVERLDFLAGS=""
2453 SHFLAGS='-shared -Wl,-h,$$(@F)'
2454 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2455 network_extralibs="-lsocket -lnsl"
2456 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2457 # When using suncc to build, the Solaris linker will mark
2458 # an executable with each instruction set encountered by
2459 # the Solaris assembler. As our libraries contain their own
2460 # guards for processor-specific code, instead suppress
2461 # generation of the HWCAPS ELF section on Solaris x86 only.
2462 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2463 nm_opts='-P -g'
2464 ;;
2465 netbsd)
2466 disable symver
2467 oss_indev_extralibs="-lossaudio"
2468 oss_outdev_extralibs="-lossaudio"
2469 ;;
2470 openbsd)
2471 # On OpenBSD 4.5. the compiler does not use PIC unless
2472 # explicitly using -fPIC. Libav builds fine without PIC,
2473 # however the generated executable will not do anything
2474 # (simply quits with exit-code 1, no crash, no output).
2475 # Thus explicitly enable PIC here.
2476 enable pic
2477 disable symver
2478 SHFLAGS='-shared'
2479 oss_indev_extralibs="-lossaudio"
2480 oss_outdev_extralibs="-lossaudio"
2481 ;;
2482 dragonfly)
2483 disable symver
2484 ;;
2485 freebsd)
2486 ;;
2487 bsd/os)
2488 add_extralibs -lpoll -lgnugetopt
2489 ;;
2490 darwin)
2491 gas="gas-preprocessor.pl $cc"
2492 enabled ppc && add_asflags -force_cpusubtype_ALL
2493 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2494 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2495 add_ldflags -Wl,-dynamic,-search_paths_first
2496 SLIBSUF=".dylib"
2497 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2498 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2499 AVSERVERLDFLAGS=-Wl,-bind_at_load
2500 objformat="macho"
2501 enabled x86_64 && objformat="macho64"
2502 enabled_any pic shared ||
2503 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2504 ;;
2505 mingw32*)
2506 if test $target_os = "mingw32ce"; then
2507 disable network
2508 else
2509 target_os=mingw32
2510 fi
2511 LIBTARGET=i386
2512 if enabled x86_64; then
2513 LIBTARGET="i386:x86-64"
2514 elif enabled arm; then
2515 LIBTARGET=arm-wince
2516 fi
2517 shlibdir_default="$bindir_default"
2518 SLIBPREF=""
2519 SLIBSUF=".dll"
2520 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2521 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2522 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2523 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2524 SLIB_INSTALL_LINKS=
2525 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2526 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2527 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'
2528 objformat="win32"
2529 dlltool="${cross_prefix}dlltool"
2530 enable dos_paths
2531 check_cflags -fno-common
2532 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2533 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2534 die "ERROR: MinGW runtime version must be >= 3.15."
2535 add_cppflags -U__STRICT_ANSI__
2536 ;;
2537 cygwin*)
2538 target_os=cygwin
2539 shlibdir_default="$bindir_default"
2540 SLIBPREF="cyg"
2541 SLIBSUF=".dll"
2542 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2543 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2544 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2545 objformat="win32"
2546 enable dos_paths
2547 check_cflags -fno-common
2548 add_cppflags -U__STRICT_ANSI__
2549 ;;
2550 *-dos|freedos|opendos)
2551 network_extralibs="-lsocket"
2552 objformat="coff"
2553 enable dos_paths
2554 add_cppflags -U__STRICT_ANSI__
2555 ;;
2556 linux)
2557 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2558 enable dv1394
2559 ;;
2560 irix*)
2561 target_os=irix
2562 ranlib="echo ignoring ranlib"
2563 ;;
2564 os/2*)
2565 ln_s="cp -f"
2566 objformat="aout"
2567 add_cppflags -D_GNU_SOURCE
2568 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2569 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2570 AVSERVERLDFLAGS=""
2571 LIBSUF="_s.a"
2572 SLIBPREF=""
2573 SLIBSUF=".dll"
2574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2576 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2577 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2578 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2579 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2580 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2581 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2582 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2583 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2584 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2585 enable dos_paths
2586 ;;
2587 gnu/kfreebsd)
2588 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2589 ;;
2590 gnu)
2591 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2592 ;;
2593 qnx)
2594 add_cppflags -D_QNX_SOURCE
2595 network_extralibs="-lsocket"
2596 ;;
2597 symbian)
2598 SLIBSUF=".dll"
2599 enable dos_paths
2600 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2601 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2602 add_ldflags -Wl,--target1-abs,--no-undefined \
2603 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2604 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2605 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2606 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2607 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2608 ;;
2609 none)
2610 ;;
2611 *)
2612 die "Unknown OS '$target_os'."
2613 ;;
2614 esac
2615
2616 esc(){
2617 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2618 }
2619
2620 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2621
2622 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2623
2624 set_default $PATHS_LIST
2625
2626 # we need to build at least one lib type
2627 if ! enabled_any static shared; then
2628 cat <<EOF
2629 At least one library type must be built.
2630 Specify --enable-static to build the static libraries or --enable-shared to
2631 build the shared libraries as well. To only build the shared libraries specify
2632 --disable-static in addition to --enable-shared.
2633 EOF
2634 exit 1;
2635 fi
2636
2637 die_license_disabled() {
2638 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2639 }
2640
2641 die_license_disabled gpl libcdio
2642 die_license_disabled gpl libx264
2643 die_license_disabled gpl libxavs
2644 die_license_disabled gpl libxvid
2645 die_license_disabled gpl x11grab
2646
2647 die_license_disabled nonfree libfaac
2648 die_license_disabled nonfree openssl
2649
2650 die_license_disabled version3 libopencore_amrnb
2651 die_license_disabled version3 libopencore_amrwb
2652 die_license_disabled version3 libvo_aacenc
2653 die_license_disabled version3 libvo_amrwbenc
2654
2655 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2656
2657 disabled optimizations || check_cflags -fomit-frame-pointer
2658
2659 enable_pic() {
2660 enable pic
2661 add_cppflags -DPIC
2662 add_cflags -fPIC
2663 add_asflags -fPIC
2664 }
2665
2666 enabled pic && enable_pic
2667
2668 check_cc <<EOF || die "Symbol mangling check failed."
2669 int ff_extern;
2670 EOF
2671 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2672 extern_prefix=${sym%%ff_extern*}
2673
2674 check_cc <<EOF && enable inline_asm
2675 void foo(void) { __asm__ volatile ("" ::); }
2676 EOF
2677
2678 _restrict=
2679 for restrict_keyword in restrict __restrict__ __restrict; do
2680 check_cc <<EOF && _restrict=$restrict_keyword && break
2681 void foo(char * $restrict_keyword p);
2682 EOF
2683 done
2684
2685 check_cc <<EOF && enable attribute_packed
2686 struct { int x; } __attribute__((packed)) x;
2687 EOF
2688
2689 check_cc <<EOF && enable attribute_may_alias
2690 union { int x; } __attribute__((may_alias)) x;
2691 EOF
2692
2693 check_cc <<EOF || die "endian test failed"
2694 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2695 EOF
2696 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2697
2698 if enabled alpha; then
2699
2700 check_cflags -mieee
2701
2702 elif enabled arm; then
2703
2704 enabled thumb && check_cflags -mthumb || check_cflags -marm
2705 nogas=die
2706
2707 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2708 enable vfp_args
2709 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2710 case "${cross_prefix:-$cc}" in
2711 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2712 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2713 __asm__ (".eabi_attribute 28, 1");
2714 int main(void) { return 0; }
2715 EOF
2716 esac
2717 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2718 fi
2719
2720 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2721 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2722 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2723 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2724 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2725 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2726
2727 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2728
2729 enabled_all armv6t2 shared !pic && enable_pic
2730
2731 elif enabled mips; then
2732
2733 check_asm loongson '"dmult.g $1, $2, $3"'
2734 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2735
2736 elif enabled ppc; then
2737
2738 enable local_aligned_8 local_aligned_16
2739
2740 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2741 check_asm ibm_asm '"add 0, 0, 0"'
2742 check_asm ppc4xx '"maclhw r10, r11, r12"'
2743 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2744
2745 # AltiVec flags: The FSF version of GCC differs from the Apple version
2746 if enabled altivec; then
2747 nogas=warn
2748 check_cflags -maltivec -mabi=altivec &&
2749 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2750 check_cflags -faltivec
2751
2752 # check if our compiler supports Motorola AltiVec C API
2753 check_cc <<EOF || disable altivec
2754 $inc_altivec_h
2755 int main(void) {
2756 vector signed int v1, v2, v3;
2757 v1 = vec_add(v2,v3);
2758 return 0;
2759 }
2760 EOF
2761
2762 # check if our compiler supports braces for vector declarations
2763 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2764 $inc_altivec_h
2765 int main (void) { (vector int) {1}; return 0; }
2766 EOF
2767 fi
2768
2769 elif enabled sparc; then
2770
2771 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2772 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2773
2774 elif enabled x86; then
2775
2776 enable local_aligned_8 local_aligned_16
2777
2778 # check whether EBP is available on x86
2779 # As 'i' is stored on the stack, this program will crash
2780 # if the base pointer is used to access it because the
2781 # base pointer is cleared in the inline assembly code.
2782 check_exec_crash <<EOF && enable ebp_available
2783 volatile int i=0;
2784 __asm__ volatile (
2785 "xorl %%ebp, %%ebp"
2786 ::: "%ebp");
2787 return i;
2788 EOF
2789
2790 # check whether EBX is available on x86
2791 check_asm ebx_available '""::"b"(0)' &&
2792 check_asm ebx_available '"":::"%ebx"'
2793
2794 # check whether xmm clobbers are supported
2795 check_asm xmm_clobbers '"":::"%xmm0"'
2796
2797 # check whether binutils is new enough to compile SSSE3/MMX2
2798 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2799 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2800
2801 if ! disabled_any asm mmx yasm; then
2802 if check_cmd $yasmexe --version; then
2803 enabled x86_64 && yasm_extra="-m amd64"
2804 yasm_debug="-g dwarf2"
2805 elif check_cmd nasm -v; then
2806 yasmexe=nasm
2807 yasm_debug="-g -F dwarf"
2808 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2809 fi
2810
2811 YASMFLAGS="-f $objformat $yasm_extra"
2812 enabled pic && append YASMFLAGS "-DPIC"
2813 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2814 case "$objformat" in
2815 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2816 esac
2817
2818 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2819 die "yasm not found, use --disable-yasm for a crippled build"
2820 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2821 fi
2822
2823 case "$cpu" in
2824 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2825 disable fast_clz
2826 ;;
2827 esac
2828
2829 fi
2830
2831 if enabled asm; then
2832 as=${gas:=$as}
2833 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2834 $nogas "GNU assembler not found, install gas-preprocessor"
2835 fi
2836
2837 check_ldflags -Wl,--as-needed
2838
2839 if check_func dlopen; then
2840 ldl=
2841 elif check_func dlopen -ldl; then
2842 ldl=-ldl
2843 fi
2844
2845 if enabled network; then
2846 check_type "sys/types.h sys/socket.h" socklen_t
2847 check_type netdb.h "struct addrinfo"
2848 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2849 check_type netinet/in.h "struct sockaddr_in6"
2850 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2851 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2852 check_header netinet/sctp.h
2853 # Prefer arpa/inet.h over winsock2
2854 if check_header arpa/inet.h ; then
2855 check_func closesocket
2856 elif check_header winsock2.h ; then
2857 check_func_headers winsock2.h closesocket -lws2 && \
2858 network_extralibs="-lws2" || \
2859 { check_func_headers winsock2.h closesocket -lws2_32 && \
2860 network_extralibs="-lws2_32"; }
2861 check_type ws2tcpip.h socklen_t
2862 check_type ws2tcpip.h "struct addrinfo"
2863 check_type ws2tcpip.h "struct ipv6_mreq"
2864 check_type ws2tcpip.h "struct sockaddr_in6"
2865 check_type ws2tcpip.h "struct sockaddr_storage"
2866 check_struct winsock2.h "struct sockaddr" sa_len
2867 else
2868 disable network
2869 fi
2870 fi
2871
2872 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2873 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2874
2875 check_func fcntl
2876 check_func fork
2877 check_func getaddrinfo $network_extralibs
2878 check_func gethrtime
2879 check_func getrusage
2880 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2881 check_func inet_aton $network_extralibs
2882 check_func isatty
2883 check_func localtime_r
2884 check_func ${malloc_prefix}memalign && enable memalign
2885 check_func mkstemp
2886 check_func mmap
2887 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2888 check_func setrlimit
2889 check_func strerror_r
2890 check_func strptime
2891 check_func strtok_r
2892 check_func sched_getaffinity
2893 check_func sysconf
2894 check_func sysctl
2895 check_func_headers io.h setmode
2896 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2897 check_func_headers windows.h GetProcessAffinityMask
2898 check_func_headers windows.h GetProcessTimes
2899 check_func_headers windows.h MapViewOfFile
2900 check_func_headers windows.h VirtualAlloc
2901
2902 check_header dlfcn.h
2903 check_header dxva2api.h
2904 check_header malloc.h
2905 check_header poll.h
2906 check_header sys/mman.h
2907 check_header sys/param.h
2908 check_header sys/resource.h
2909 check_header sys/select.h
2910 check_header vdpau/vdpau.h
2911 check_header vdpau/vdpau_x11.h
2912 check_header X11/extensions/XvMClib.h
2913
2914 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2915 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2916
2917 if ! disabled w32threads && ! enabled pthreads; then
2918 check_func _beginthreadex && enable w32threads
2919 fi
2920
2921 # check for some common methods of building with pthread support
2922 # do this before the optional library checks as some of them require pthreads
2923 if ! disabled pthreads && ! enabled w32threads; then
2924 enable pthreads
2925 if check_func pthread_create; then
2926 :
2927 elif check_func pthread_create -pthread; then
2928 add_cflags -pthread
2929 add_extralibs -pthread
2930 elif check_func pthread_create -pthreads; then
2931 add_cflags -pthreads
2932 add_extralibs -pthreads
2933 elif check_func pthread_create -lpthreadGC2; then
2934 add_extralibs -lpthreadGC2
2935 elif ! check_lib pthread.h pthread_create -lpthread; then
2936 disable pthreads
2937 fi
2938 fi
2939
2940 for thread in $THREADS_LIST; do
2941 if enabled $thread; then
2942 test -n "$thread_type" &&
2943 die "ERROR: Only one thread type must be selected." ||
2944 thread_type="$thread"
2945 fi
2946 done
2947
2948 check_lib math.h sin -lm && LIBM="-lm"
2949 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2950
2951 check_mathfunc exp2
2952 check_mathfunc exp2f
2953 check_mathfunc llrint
2954 check_mathfunc llrintf
2955 check_mathfunc log2
2956 check_mathfunc log2f
2957 check_mathfunc lrint
2958 check_mathfunc lrintf
2959 check_mathfunc round
2960 check_mathfunc roundf
2961 check_mathfunc trunc
2962 check_mathfunc truncf
2963
2964 # these are off by default, so fail if requested and not available
2965 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2966 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2967 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2968 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2969 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2970 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2971 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2972 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2973 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2974 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2975 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2976 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2977 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2978 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2979 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2980 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2981 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2982 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2983 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2984 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2985 enabled libvpx && {
2986 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2987 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2988 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2989 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2990 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2991 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2992 die "ERROR: libx264 version must be >= 0.118."; }
2993 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2994 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2995 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2996 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2997 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2998 die "ERROR: openssl not found"; }
2999
3000 # libdc1394 check
3001 if enabled libdc1394; then
3002 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3003 enable libdc1394_2; } ||
3004 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3005 enable libdc1394_1; } ||
3006 die "ERROR: No version of libdc1394 found "
3007 fi
3008
3009 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3010 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3011 enable sdl &&
3012 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3013 fi
3014
3015 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3016
3017 check_header linux/fb.h
3018 check_header linux/videodev2.h
3019 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3020
3021 check_header sys/videoio.h
3022
3023 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3024 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3025 # w32api 3.12 had it defined wrong
3026 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3027
3028 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3029 { check_header dev/bktr/ioctl_meteor.h &&
3030 check_header dev/bktr/ioctl_bt848.h; } ||
3031 { check_header machine/ioctl_meteor.h &&
3032 check_header machine/ioctl_bt848.h; } ||
3033 { check_header dev/video/meteor/ioctl_meteor.h &&
3034 check_header dev/video/bktr/ioctl_bt848.h; } ||
3035 check_header dev/ic/bt8xx.h
3036
3037 check_header sndio.h
3038 check_header sys/soundcard.h
3039 check_header soundcard.h
3040
3041 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3042
3043 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3044
3045 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3046
3047 enabled libcdio &&
3048 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3049
3050 enabled x11grab &&
3051 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3052 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3053 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3054
3055 # check for VDA header
3056 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3057 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3058 fi
3059
3060 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3061 check_cpp_condition \
3062 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3063 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3064 disable vdpau; }
3065 fi
3066
3067 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3068
3069 # add some useful compiler flags if supported
3070 check_cflags -Wdeclaration-after-statement
3071 check_cflags -Wall
3072 check_cflags -Wno-parentheses
3073 check_cflags -Wno-switch
3074 check_cflags -Wno-format-zero-length
3075 check_cflags -Wdisabled-optimization
3076 check_cflags -Wpointer-arith
3077 check_cflags -Wredundant-decls
3078 check_cflags -Wno-pointer-sign
3079 check_cflags -Wcast-qual
3080 check_cflags -Wwrite-strings
3081 check_cflags -Wtype-limits
3082 check_cflags -Wundef
3083 check_cflags -Wmissing-prototypes
3084 check_cflags -Wstrict-prototypes
3085 enabled extra_warnings && check_cflags -Winline
3086
3087 # add some linker flags
3088 check_ldflags -Wl,--warn-common
3089 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3090 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3091
3092 enabled xmm_clobber_test && \
3093 check_ldflags -Wl,--wrap,avcodec_open2 \
3094 -Wl,--wrap,avcodec_decode_audio4 \
3095 -Wl,--wrap,avcodec_decode_video2 \
3096 -Wl,--wrap,avcodec_decode_subtitle2 \
3097 -Wl,--wrap,avcodec_encode_audio2 \
3098 -Wl,--wrap,avcodec_encode_video \
3099 -Wl,--wrap,avcodec_encode_subtitle \
3100 -Wl,--wrap,sws_scale || \
3101 disable xmm_clobber_test
3102
3103 echo "X{};" > $TMPV
3104 if test_ldflags -Wl,--version-script,$TMPV; then
3105 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3106 check_cc <<EOF && enable symver_asm_label
3107 void ff_foo(void) __asm__ ("av_foo@VERSION");
3108 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3109 EOF
3110 check_cc <<EOF && enable symver_gnu_asm
3111 __asm__(".symver ff_foo,av_foo@VERSION");
3112 void ff_foo(void) {}
3113 EOF
3114 fi
3115
3116 if [ -n "$optflags" ]; then
3117 add_cflags $optflags
3118 elif enabled small; then
3119 add_cflags $size_cflags
3120 elif enabled optimizations; then
3121 add_cflags $speed_cflags
3122 else
3123 add_cflags $noopt_cflags
3124 fi
3125 check_cflags -fno-math-errno
3126 check_cflags -fno-signed-zeros
3127
3128 if enabled icc; then
3129 # Just warnings, no remarks
3130 check_cflags -w1
3131 # -wd: Disable following warnings
3132 # 144, 167, 556: -Wno-pointer-sign
3133 # 1292: attribute "foo" ignored
3134 # 1419: external declaration in primary source file
3135 # 10006: ignoring unknown option -fno-signed-zeros
3136 # 10148: ignoring unknown option -Wno-parentheses
3137 # 10156: ignoring option '-W'; no argument required
3138 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3139 # 11030: Warning unknown option --as-needed
3140 # 10156: ignoring option '-export'; no argument required
3141 check_ldflags -wd10156,11030
3142 # Allow to compile with optimizations
3143 check_ldflags -march=$cpu
3144 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3145 enable ebp_available
3146 if enabled x86_32; then
3147 test ${icc_version%%.*} -ge 11 && \
3148 check_cflags -falign-stack=maintain-16-byte || \
3149 disable aligned_stack
3150 fi
3151 elif enabled ccc; then
3152 # disable some annoying warnings
3153 add_cflags -msg_disable cvtu32to64
3154 add_cflags -msg_disable embedcomment
3155 add_cflags -msg_disable needconstext
3156 add_cflags -msg_disable nomainieee
3157 add_cflags -msg_disable ptrmismatch1
3158 add_cflags -msg_disable unreachcode
3159 elif enabled gcc; then
3160 check_cflags -fno-tree-vectorize
3161 check_cflags -Werror=implicit-function-declaration
3162 check_cflags -Werror=missing-prototypes
3163 check_cflags -Werror=declaration-after-statement
3164 elif enabled llvm_gcc; then
3165 check_cflags -mllvm -stack-alignment=16
3166 elif enabled clang; then
3167 check_cflags -mllvm -stack-alignment=16
3168 check_cflags -Qunused-arguments
3169 elif enabled armcc; then
3170 # 2523: use of inline assembler is deprecated
3171 add_cflags -W${armcc_opt},--diag_suppress=2523
3172 add_cflags -W${armcc_opt},--diag_suppress=1207
3173 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3174 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3175 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3176 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3177 elif enabled tms470; then
3178 add_cflags -pds=824 -pds=837
3179 elif enabled pathscale; then
3180 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3181 fi
3182
3183 enabled_any $THREADS_LIST && enable threads
3184
3185 check_deps $CONFIG_LIST \
3186 $CONFIG_EXTRA \
3187 $HAVE_LIST \
3188 $ALL_COMPONENTS \
3189 $ALL_TESTS \
3190
3191 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3192
3193 ! enabled_any memalign posix_memalign &&
3194 enabled_any $need_memalign && enable memalign_hack
3195
3196 echo "install prefix $prefix"
3197 echo "source path $source_path"
3198 echo "C compiler $cc"
3199 echo "ARCH $arch ($cpu)"
3200 if test "$build_suffix" != ""; then
3201 echo "build suffix $build_suffix"
3202 fi
3203 if test "$extra_version" != ""; then
3204 echo "version string suffix $extra_version"
3205 fi
3206 echo "big-endian ${bigendian-no}"
3207 echo "runtime cpu detection ${runtime_cpudetect-no}"
3208 if enabled x86; then
3209 echo "${yasmexe} ${yasm-no}"
3210 echo "MMX enabled ${mmx-no}"
3211 echo "MMX2 enabled ${mmx2-no}"
3212 echo "3DNow! enabled ${amd3dnow-no}"
3213 echo "3DNow! extended enabled ${amd3dnowext-no}"
3214 echo "SSE enabled ${sse-no}"
3215 echo "SSSE3 enabled ${ssse3-no}"
3216 echo "AVX enabled ${avx-no}"
3217 echo "CMOV enabled ${cmov-no}"
3218 echo "CMOV is fast ${fast_cmov-no}"
3219 echo "EBX available ${ebx_available-no}"
3220 echo "EBP available ${ebp_available-no}"
3221 fi
3222 if enabled arm; then
3223 echo "ARMv5TE enabled ${armv5te-no}"
3224 echo "ARMv6 enabled ${armv6-no}"
3225 echo "ARMv6T2 enabled ${armv6t2-no}"
3226 echo "ARM VFP enabled ${armvfp-no}"
3227 echo "NEON enabled ${neon-no}"
3228 fi
3229 if enabled mips; then
3230 echo "MMI enabled ${mmi-no}"
3231 fi
3232 if enabled ppc; then
3233 echo "AltiVec enabled ${altivec-no}"
3234 echo "PPC 4xx optimizations ${ppc4xx-no}"
3235 echo "dcbzl available ${dcbzl-no}"
3236 fi
3237 if enabled sparc; then
3238 echo "VIS enabled ${vis-no}"
3239 fi
3240 echo "debug symbols ${debug-no}"
3241 echo "optimize for size ${small-no}"
3242 echo "optimizations ${optimizations-no}"
3243 echo "static ${static-no}"
3244 echo "shared ${shared-no}"
3245 echo "new filter support ${avfilter-no}"
3246 echo "network support ${network-no}"
3247 echo "threading support ${thread_type-no}"
3248 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3249 echo "SDL support ${sdl-no}"
3250 echo "libdxva2 enabled ${dxva2-no}"
3251 echo "libva enabled ${vaapi-no}"
3252 echo "libvdpau enabled ${vdpau-no}"
3253 echo "AVISynth enabled ${avisynth-no}"
3254 echo "frei0r enabled ${frei0r-no}"
3255 echo "gnutls enabled ${gnutls-no}"
3256 echo "libcdio support ${libcdio-no}"
3257 echo "libdc1394 support ${libdc1394-no}"
3258 echo "libfaac enabled ${libfaac-no}"
3259 echo "libgsm enabled ${libgsm-no}"
3260 echo "libmp3lame enabled ${libmp3lame-no}"
3261 echo "libnut enabled ${libnut-no}"
3262 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3263 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3264 echo "libopencv support ${libopencv-no}"
3265 echo "libopenjpeg enabled ${libopenjpeg-no}"
3266 echo "libpulse enabled ${libpulse-no}"
3267 echo "librtmp enabled ${librtmp-no}"
3268 echo "libschroedinger enabled ${libschroedinger-no}"
3269 echo "libspeex enabled ${libspeex-no}"
3270 echo "libtheora enabled ${libtheora-no}"
3271 echo "libvo-aacenc support ${libvo_aacenc-no}"
3272 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3273 echo "libvorbis enabled ${libvorbis-no}"
3274 echo "libvpx enabled ${libvpx-no}"
3275 echo "libx264 enabled ${libx264-no}"
3276 echo "libxavs enabled ${libxavs-no}"
3277 echo "libxvid enabled ${libxvid-no}"
3278 echo "openssl enabled ${openssl-no}"
3279 echo "zlib enabled ${zlib-no}"
3280 echo "bzlib enabled ${bzlib-no}"
3281 echo
3282
3283 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3284 echo "Enabled ${type}s:"
3285 eval list=\$$(toupper $type)_LIST
3286 print_enabled '_*' $list | sort | pr -r -3 -t
3287 echo
3288 done
3289
3290 license="LGPL version 2.1 or later"
3291 if enabled nonfree; then
3292 license="nonfree and unredistributable"
3293 elif enabled gplv3; then
3294 license="GPL version 3 or later"
3295 elif enabled lgplv3; then
3296 license="LGPL version 3 or later"
3297 elif enabled gpl; then
3298 license="GPL version 2 or later"
3299 fi
3300
3301 echo "License: $license"
3302
3303 echo "Creating config.mak and config.h..."
3304
3305 test -e Makefile || $ln_s "$source_path/Makefile" .
3306
3307 config_files="$TMPH config.mak"
3308
3309 cat > config.mak <<EOF
3310 # Automatically generated by configure - do not modify!
3311 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3312 prefix=$prefix
3313 LIBDIR=\$(DESTDIR)$libdir
3314 SHLIBDIR=\$(DESTDIR)$shlibdir
3315 INCDIR=\$(DESTDIR)$incdir
3316 BINDIR=\$(DESTDIR)$bindir
3317 DATADIR=\$(DESTDIR)$datadir
3318 MANDIR=\$(DESTDIR)$mandir
3319 SRC_PATH=$source_path
3320 CC_IDENT=$cc_ident
3321 ARCH=$arch
3322 CC=$cc
3323 AS=$as
3324 LD=$ld
3325 DEPCC=$dep_cc
3326 YASM=$yasmexe
3327 YASMDEP=$yasmexe
3328 AR=$ar
3329 RANLIB=$ranlib
3330 LN_S=$ln_s
3331 CPPFLAGS=$CPPFLAGS
3332 CFLAGS=$CFLAGS
3333 ASFLAGS=$ASFLAGS
3334 AS_O=$CC_O
3335 CC_O=$CC_O
3336 DLLTOOL=$dlltool
3337 LDFLAGS=$LDFLAGS
3338 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3339 SHFLAGS=$SHFLAGS
3340 YASMFLAGS=$YASMFLAGS
3341 BUILDSUF=$build_suffix
3342 FULLNAME=$FULLNAME
3343 LIBPREF=$LIBPREF
3344 LIBSUF=$LIBSUF
3345 LIBNAME=$LIBNAME
3346 SLIBPREF=$SLIBPREF
3347 SLIBSUF=$SLIBSUF
3348 EXESUF=$EXESUF
3349 EXTRA_VERSION=$extra_version
3350 DEPFLAGS=$DEPFLAGS
3351 CCDEP=$CCDEP
3352 ASDEP=$ASDEP
3353 CC_DEPFLAGS=$CC_DEPFLAGS
3354 AS_DEPFLAGS=$AS_DEPFLAGS
3355 HOSTCC=$host_cc
3356 HOSTCFLAGS=$host_cflags
3357 HOSTEXESUF=$HOSTEXESUF
3358 HOSTLDFLAGS=$host_ldflags
3359 HOSTLIBS=$host_libs
3360 TARGET_EXEC=$target_exec
3361 TARGET_PATH=$target_path
3362 SDL_LIBS=$sdl_libs
3363 SDL_CFLAGS=$sdl_cflags
3364 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3365 EXTRALIBS=$extralibs
3366 INSTALL=install
3367 LIBTARGET=${LIBTARGET}
3368 SLIBNAME=${SLIBNAME}
3369 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3370 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3371 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3372 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3373 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3374 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3375 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3376 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3377 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3378 EOF
3379
3380 get_version(){
3381 name=$1
3382 file=$source_path/$2
3383 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3384 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3385 lcname=$(tolower $name)
3386 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3387 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3388 }
3389
3390 get_version LIBAVCODEC libavcodec/version.h
3391 get_version LIBAVDEVICE libavdevice/avdevice.h
3392 get_version LIBAVFILTER libavfilter/version.h
3393 get_version LIBAVFORMAT libavformat/version.h
3394 get_version LIBAVRESAMPLE libavresample/version.h
3395 get_version LIBAVUTIL libavutil/avutil.h
3396 get_version LIBSWSCALE libswscale/swscale.h
3397
3398 cat > $TMPH <<EOF
3399 /* Automatically generated by configure - do not modify! */
3400 #ifndef LIBAV_CONFIG_H
3401 #define LIBAV_CONFIG_H
3402 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3403 #define LIBAV_LICENSE "$(c_escape $license)"
3404 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3405 #define CC_TYPE "$cc_type"
3406 #define CC_VERSION $cc_version
3407 #define restrict $_restrict
3408 #define EXTERN_PREFIX "${extern_prefix}"
3409 #define EXTERN_ASM ${extern_prefix}
3410 #define SLIBSUF "$SLIBSUF"
3411 EOF
3412
3413 test -n "$malloc_prefix" &&
3414 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3415
3416 if enabled small || disabled optimizations; then
3417 echo "#undef av_always_inline" >> $TMPH
3418 if enabled small; then
3419 echo "#define av_always_inline inline" >> $TMPH
3420 else
3421 echo "#define av_always_inline av_unused" >> $TMPH
3422 fi
3423 fi
3424
3425 if enabled yasm; then
3426 append config_files $TMPASM
3427 printf '' >$TMPASM
3428 fi
3429
3430 print_config ARCH_ "$config_files" $ARCH_LIST
3431 print_config HAVE_ "$config_files" $HAVE_LIST
3432 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3433 $CONFIG_EXTRA \
3434 $ALL_COMPONENTS \
3435
3436 cat >>config.mak <<EOF
3437 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3438 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3439 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3440 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3441 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3442 EOF
3443
3444 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3445
3446 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3447 cp_if_changed $TMPH config.h
3448 touch .config
3449
3450 enabled yasm && cp_if_changed $TMPASM config.asm
3451
3452 cat > $TMPH <<EOF
3453 /* Generated by ffconf */
3454 #ifndef AVUTIL_AVCONFIG_H
3455 #define AVUTIL_AVCONFIG_H
3456 EOF
3457
3458 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3459
3460 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3461
3462 cp_if_changed $TMPH libavutil/avconfig.h
3463
3464 test -n "$WARNINGS" && printf "\n$WARNINGS"
3465
3466 # build pkg-config files
3467
3468 pkgconfig_generate(){
3469 name=$1
3470 shortname=${name#lib}${build_suffix}
3471 comment=$2
3472 version=$3
3473 libs=$4
3474 requires=$5
3475 enabled ${name#lib} || return 0
3476 mkdir -p $name
3477 cat <<EOF > $name/$name.pc
3478 prefix=$prefix
3479 exec_prefix=\${prefix}
3480 libdir=$libdir
3481 includedir=$incdir
3482
3483 Name: $name
3484 Description: $comment
3485 Version: $version
3486 Requires: $(enabled shared || echo $requires)
3487 Requires.private: $(enabled shared && echo $requires)
3488 Conflicts:
3489 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3490 Libs.private: $(enabled shared && echo $libs)
3491 Cflags: -I\${includedir}
3492 EOF
3493 cat <<EOF > $name/$name-uninstalled.pc
3494 prefix=
3495 exec_prefix=
3496 libdir=\${pcfiledir}
3497 includedir=${source_path}
3498
3499 Name: $name
3500 Description: $comment
3501 Version: $version
3502 Requires: $requires
3503 Conflicts:
3504 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3505 Cflags: -I\${includedir}
3506 EOF
3507 }
3508
3509 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3510 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3511 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3512 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3513 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3514 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3515 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"