4a03846163d58a01afea2c60328123739f3914c4
[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-libcdio enable audio CD grabbing with libcdio
170 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
171 and libraw1394 [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfreetype enable libfreetype [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libilbc enable iLBC de/encoding via libilbc [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
178 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
179 --enable-libopencv enable video filtering via libopencv [no]
180 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
181 --enable-libpulse enable Pulseaudio input via libpulse [no]
182 --enable-librtmp enable RTMP[E] support via librtmp [no]
183 --enable-libschroedinger enable Dirac support via libschroedinger [no]
184 --enable-libspeex enable Speex support via libspeex [no]
185 --enable-libtheora enable Theora encoding via libtheora [no]
186 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
187 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
188 --enable-libvorbis enable Vorbis encoding via libvorbis,
189 native implementation exists [no]
190 --enable-libvpx enable VP8 support via libvpx [no]
191 --enable-libx264 enable H.264 encoding via x264 [no]
192 --enable-libxavs enable AVS encoding via xavs [no]
193 --enable-libxvid enable Xvid encoding via xvidcore,
194 native MPEG-4/Xvid encoder exists [no]
195 --enable-openssl enable openssl [no]
196 --enable-zlib enable zlib [autodetect]
197
198 Advanced options (experts only):
199 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
200 --enable-cross-compile assume a cross-compiler is used
201 --sysroot=PATH root of cross-build tree
202 --sysinclude=PATH location of cross-build system headers
203 --target-os=OS compiler targets OS [$target_os]
204 --target-exec=CMD command to run executables on target
205 --target-path=DIR path to view of build directory on target
206 --nm=NM use nm tool
207 --ar=AR use archive tool AR [$ar_default]
208 --as=AS use assembler AS [$as_default]
209 --cc=CC use C compiler CC [$cc_default]
210 --ld=LD use linker LD
211 --host-cc=HOSTCC use host C compiler HOSTCC
212 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
213 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
214 --host-libs=HLIBS use libs HLIBS when linking for host
215 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
216 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
217 --extra-libs=ELIBS add ELIBS [$ELIBS]
218 --extra-version=STRING version string suffix []
219 --optflags override optimization-related compiler flags
220 --build-suffix=SUFFIX library name suffix []
221 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
222 --arch=ARCH select architecture [$arch]
223 --cpu=CPU select the minimum required CPU (affects
224 instruction selection, may crash on older CPUs)
225 --enable-pic build position-independent code
226 --enable-sram allow use of on-chip SRAM
227 --disable-symver disable symbol versioning
228 --disable-fastdiv disable table-based division
229 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
230 --disable-safe-bitstream-reader
231 disable buffer boundary checking in bitreaders
232 (faster, but may crash)
233 --enable-memalign-hack emulate memalign, interferes with memory debuggers
234
235 Optimization options (experts only):
236 --disable-asm disable all assembler optimizations
237 --disable-altivec disable AltiVec optimizations
238 --disable-amd3dnow disable 3DNow! optimizations
239 --disable-amd3dnowext disable 3DNow! extended optimizations
240 --disable-mmx disable MMX optimizations
241 --disable-mmx2 disable MMX2 optimizations
242 --disable-sse disable SSE optimizations
243 --disable-ssse3 disable SSSE3 optimizations
244 --disable-avx disable AVX optimizations
245 --disable-armv5te disable armv5te optimizations
246 --disable-armv6 disable armv6 optimizations
247 --disable-armv6t2 disable armv6t2 optimizations
248 --disable-armvfp disable ARM VFP optimizations
249 --disable-mmi disable MMI optimizations
250 --disable-neon disable NEON optimizations
251 --disable-vis disable VIS optimizations
252 --disable-yasm disable use of yasm assembler
253
254 Developer options (useful when working on Libav itself):
255 --disable-debug disable debugging symbols
256 --enable-debug=LEVEL set the debug level [$debuglevel]
257 --disable-optimizations disable compiler optimizations
258 --enable-extra-warnings enable more compiler warnings
259 --samples=PATH location of test samples for FATE, if not set use
260 \$LIBAV_SAMPLES at make invocation time.
261 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
262 should be used only for debugging purposes)
263
264 NOTE: Object files are built at the place where configure is launched.
265 EOF
266 exit 0
267 }
268
269 quotes='""'
270
271 log(){
272 echo "$@" >> $logfile
273 }
274
275 log_file(){
276 log BEGIN $1
277 pr -n -t $1 >> $logfile
278 log END $1
279 }
280
281 echolog(){
282 log "$@"
283 echo "$@"
284 }
285
286 warn(){
287 log "WARNING: $*"
288 WARNINGS="${WARNINGS}WARNING: $*\n"
289 }
290
291 die(){
292 echolog "$@"
293 cat <<EOF
294
295 If you think configure made a mistake, make sure you are using the latest
296 version from Git. If the latest version fails, report the problem to the
297 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
298 EOF
299 if disabled logging; then
300 cat <<EOF
301 Rerun configure with logging enabled (do not use --disable-logging), and
302 include the log this produces with your report.
303 EOF
304 else
305 cat <<EOF
306 Include the log file "$logfile" produced by configure as this will help
307 solving the problem.
308 EOF
309 fi
310 exit 1
311 }
312
313 # Avoid locale weirdness, besides we really just want to translate ASCII.
314 toupper(){
315 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
316 }
317
318 tolower(){
319 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
320 }
321
322 c_escape(){
323 echo "$*" | sed 's/["\\]/\\\0/g'
324 }
325
326 sh_quote(){
327 v=$(echo "$1" | sed "s/'/'\\\\''/g")
328 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
329 echo "$v"
330 }
331
332 cleanws(){
333 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
334 }
335
336 filter(){
337 pat=$1
338 shift
339 for v; do
340 eval "case $v in $pat) echo $v ;; esac"
341 done
342 }
343
344 filter_out(){
345 pat=$1
346 shift
347 for v; do
348 eval "case $v in $pat) ;; *) echo $v ;; esac"
349 done
350 }
351
352 map(){
353 m=$1
354 shift
355 for v; do eval $m; done
356 }
357
358 set_all(){
359 value=$1
360 shift
361 for var in $*; do
362 eval $var=$value
363 done
364 }
365
366 set_weak(){
367 value=$1
368 shift
369 for var; do
370 eval : \${$var:=$value}
371 done
372 }
373
374 set_safe(){
375 var=$1
376 shift
377 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
378 }
379
380 get_safe(){
381 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
382 }
383
384 pushvar(){
385 for var in $*; do
386 eval level=\${${var}_level:=0}
387 eval ${var}_${level}="\$$var"
388 eval ${var}_level=$(($level+1))
389 done
390 }
391
392 popvar(){
393 for var in $*; do
394 eval level=\${${var}_level:-0}
395 test $level = 0 && continue
396 eval level=$(($level-1))
397 eval $var="\${${var}_${level}}"
398 eval ${var}_level=$level
399 eval unset ${var}_${level}
400 done
401 }
402
403 enable(){
404 set_all yes $*
405 }
406
407 disable(){
408 set_all no $*
409 }
410
411 enable_weak(){
412 set_weak yes $*
413 }
414
415 disable_weak(){
416 set_weak no $*
417 }
418
419 enable_safe(){
420 for var; do
421 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
423 }
424
425 disable_safe(){
426 for var; do
427 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
428 done
429 }
430
431 do_enable_deep(){
432 for var; do
433 enabled $var && continue
434 eval sel="\$${var}_select"
435 eval sgs="\$${var}_suggest"
436 pushvar var sgs
437 enable_deep $sel
438 popvar sgs
439 enable_deep_weak $sgs
440 popvar var
441 done
442 }
443
444 enable_deep(){
445 do_enable_deep $*
446 enable $*
447 }
448
449 enable_deep_weak(){
450 do_enable_deep $*
451 enable_weak $*
452 }
453
454 enabled(){
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xyes"
457 }
458
459 disabled(){
460 test "${1#!}" = "$1" && op== || op=!=
461 eval test "x\$${1#!}" $op "xno"
462 }
463
464 enabled_all(){
465 for opt; do
466 enabled $opt || return 1
467 done
468 }
469
470 disabled_all(){
471 for opt; do
472 disabled $opt || return 1
473 done
474 }
475
476 enabled_any(){
477 for opt; do
478 enabled $opt && return 0
479 done
480 }
481
482 disabled_any(){
483 for opt; do
484 disabled $opt && return 0
485 done
486 return 1
487 }
488
489 set_default(){
490 for opt; do
491 eval : \${$opt:=\$${opt}_default}
492 done
493 }
494
495 is_in(){
496 value=$1
497 shift
498 for var in $*; do
499 [ $var = $value ] && return 0
500 done
501 return 1
502 }
503
504 check_deps(){
505 for cfg; do
506 cfg="${cfg#!}"
507 enabled ${cfg}_checking && die "Circular dependency for $cfg."
508 disabled ${cfg}_checking && continue
509 enable ${cfg}_checking
510
511 eval dep_all="\$${cfg}_deps"
512 eval dep_any="\$${cfg}_deps_any"
513 eval dep_sel="\$${cfg}_select"
514 eval dep_sgs="\$${cfg}_suggest"
515 eval dep_ifa="\$${cfg}_if"
516 eval dep_ifn="\$${cfg}_if_any"
517
518 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
519 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
520 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
521
522 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
523 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
524 enabled_all $dep_all || disable $cfg
525 enabled_any $dep_any || disable $cfg
526 disabled_any $dep_sel && disable $cfg
527
528 if enabled $cfg; then
529 eval dep_extralibs="\$${cfg}_extralibs"
530 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
531 enable_deep $dep_sel
532 enable_deep_weak $dep_sgs
533 fi
534
535 disable ${cfg}_checking
536 done
537 }
538
539 print_config_h(){
540 enabled $1 && v=1 || v=0
541 echo "#define $2 $v"
542 }
543
544 print_config_mak(){
545 enabled $1 && v= || v=!
546 echo "$v$2=yes"
547 }
548
549 print_config_asm(){
550 enabled $1 && v=1 || v=0
551 echo "%define $2 $v"
552 }
553
554 print_config(){
555 pfx=$1
556 files=$2
557 shift 2
558 for cfg; do
559 ucname="$(toupper $cfg)"
560 for f in $files; do
561 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
562 done
563 done
564 }
565
566 print_enabled(){
567 test "$1" = -n && end=" " && shift || end="\n"
568 suf=$1
569 shift
570 for v; do
571 enabled $v && printf "%s$end" ${v%$suf};
572 done
573 }
574
575 append(){
576 var=$1
577 shift
578 eval "$var=\"\$$var $*\""
579 }
580
581 prepend(){
582 var=$1
583 shift
584 eval "$var=\"$* \$$var\""
585 }
586
587 add_cppflags(){
588 append CPPFLAGS $($filter_cppflags "$@")
589 }
590
591 add_cflags(){
592 append CFLAGS $($filter_cflags "$@")
593 }
594
595 add_asflags(){
596 append ASFLAGS $($filter_asflags "$@")
597 }
598
599 add_ldflags(){
600 append LDFLAGS "$@"
601 }
602
603 add_extralibs(){
604 prepend extralibs "$@"
605 }
606
607 check_cmd(){
608 log "$@"
609 "$@" >> $logfile 2>&1
610 }
611
612 check_cc(){
613 log check_cc "$@"
614 cat > $TMPC
615 log_file $TMPC
616 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
617 }
618
619 check_cpp(){
620 log check_cpp "$@"
621 cat > $TMPC
622 log_file $TMPC
623 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
624 }
625
626 check_as(){
627 log check_as "$@"
628 cat > $TMPC
629 log_file $TMPC
630 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
631 }
632
633 check_asm(){
634 log check_asm "$@"
635 name="$1"
636 code="$2"
637 shift 2
638 disable $name
639 check_as "$@" <<EOF && enable $name
640 void foo(void){ __asm__ volatile($code); }
641 EOF
642 }
643
644 check_yasm(){
645 log check_yasm "$@"
646 echo "$1" > $TMPS
647 log_file $TMPS
648 shift 1
649 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
650 }
651
652 check_ld(){
653 log check_ld "$@"
654 flags=''
655 libs=''
656 for f; do
657 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
658 done
659 check_cc $($filter_cflags $flags) || return
660 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
661 }
662
663 check_cppflags(){
664 log check_cppflags "$@"
665 set -- $($filter_cppflags "$@")
666 check_cc "$@" <<EOF && append CPPFLAGS "$@"
667 int x;
668 EOF
669 }
670
671 check_cflags(){
672 log check_cflags "$@"
673 set -- $($filter_cflags "$@")
674 check_cc "$@" <<EOF && append CFLAGS "$@"
675 int x;
676 EOF
677 }
678
679 test_ldflags(){
680 log test_ldflags "$@"
681 check_ld "$@" <<EOF
682 int main(void){ return 0; }
683 EOF
684 }
685
686 check_ldflags(){
687 log check_ldflags "$@"
688 test_ldflags "$@" && add_ldflags "$@"
689 }
690
691 check_header(){
692 log check_header "$@"
693 header=$1
694 shift
695 disable_safe $header
696 check_cpp "$@" <<EOF && enable_safe $header
697 #include <$header>
698 int x;
699 EOF
700 }
701
702 check_func(){
703 log check_func "$@"
704 func=$1
705 shift
706 disable $func
707 check_ld "$@" <<EOF && enable $func
708 extern int $func();
709 int main(void){ $func(); }
710 EOF
711 }
712
713 check_mathfunc(){
714 log check_mathfunc "$@"
715 func=$1
716 shift
717 disable $func
718 check_ld "$@" <<EOF && enable $func
719 #include <math.h>
720 float foo(float f) { return $func(f); }
721 int main(void){ return 0; }
722 EOF
723 }
724
725 check_func_headers(){
726 log check_func_headers "$@"
727 headers=$1
728 funcs=$2
729 shift 2
730 {
731 for hdr in $headers; do
732 echo "#include <$hdr>"
733 done
734 for func in $funcs; do
735 echo "long check_$func(void) { return (long) $func; }"
736 done
737 echo "int main(void) { return 0; }"
738 } | check_ld "$@" && enable $funcs && enable_safe $headers
739 }
740
741 check_cpp_condition(){
742 log check_cpp_condition "$@"
743 header=$1
744 condition=$2
745 shift 2
746 check_cpp $($filter_cppflags "$@") <<EOF
747 #include <$header>
748 #if !($condition)
749 #error "unsatisfied condition: $condition"
750 #endif
751 EOF
752 }
753
754 check_lib(){
755 log check_lib "$@"
756 header="$1"
757 func="$2"
758 shift 2
759 check_header $header && check_func $func "$@" && add_extralibs "$@"
760 }
761
762 check_lib2(){
763 log check_lib2 "$@"
764 headers="$1"
765 funcs="$2"
766 shift 2
767 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
768 }
769
770 check_pkg_config(){
771 log check_pkg_config "$@"
772 pkg="$1"
773 headers="$2"
774 funcs="$3"
775 shift 3
776 $pkg_config --exists $pkg || return
777 pkg_cflags=$($pkg_config --cflags $pkg)
778 pkg_libs=$($pkg_config --libs $pkg)
779 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
780 set_safe ${pkg}_cflags $pkg_cflags &&
781 set_safe ${pkg}_libs $pkg_libs
782 }
783
784 check_exec(){
785 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
786 }
787
788 check_exec_crash(){
789 code=$(cat)
790
791 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
792 # are safe but may not be available everywhere. Thus we use
793 # raise(SIGTERM) instead. The check is run in a subshell so we
794 # can redirect the "Terminated" message from the shell. SIGBUS
795 # is not defined by standard C so it is used conditionally.
796
797 (check_exec "$@") >> $logfile 2>&1 <<EOF
798 #include <signal.h>
799 static void sighandler(int sig){
800 raise(SIGTERM);
801 }
802 int main(void){
803 signal(SIGILL, sighandler);
804 signal(SIGFPE, sighandler);
805 signal(SIGSEGV, sighandler);
806 #ifdef SIGBUS
807 signal(SIGBUS, sighandler);
808 #endif
809 { $code }
810 }
811 EOF
812 }
813
814 check_type(){
815 log check_type "$@"
816 headers=$1
817 type=$2
818 shift 2
819 disable_safe "$type"
820 incs=""
821 for hdr in $headers; do
822 incs="$incs
823 #include <$hdr>"
824 done
825 check_cc "$@" <<EOF && enable_safe "$type"
826 $incs
827 $type v;
828 EOF
829 }
830
831 check_struct(){
832 log check_type "$@"
833 headers=$1
834 struct=$2
835 member=$3
836 shift 3
837 disable_safe "${struct}_${member}"
838 incs=""
839 for hdr in $headers; do
840 incs="$incs
841 #include <$hdr>"
842 done
843 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
844 $incs
845 const void *p = &(($struct *)0)->$member;
846 EOF
847 }
848
849 require(){
850 name="$1"
851 header="$2"
852 func="$3"
853 shift 3
854 check_lib $header $func "$@" || die "ERROR: $name not found"
855 }
856
857 require2(){
858 name="$1"
859 headers="$2"
860 func="$3"
861 shift 3
862 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
863 }
864
865 require_pkg_config(){
866 pkg="$1"
867 check_pkg_config "$@" || die "ERROR: $pkg not found"
868 add_cflags $(get_safe ${pkg}_cflags)
869 add_extralibs $(get_safe ${pkg}_libs)
870 }
871
872 check_host_cc(){
873 log check_host_cc "$@"
874 cat > $TMPC
875 log_file $TMPC
876 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
877 }
878
879 check_host_cflags(){
880 log check_host_cflags "$@"
881 check_host_cc "$@" <<EOF && append host_cflags "$@"
882 int x;
883 EOF
884 }
885
886 apply(){
887 file=$1
888 shift
889 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
890 }
891
892 cp_if_changed(){
893 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
894 mkdir -p "$(dirname $2)"
895 cp -f "$1" "$2"
896 }
897
898 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
899 # system-dependent things.
900
901 COMPONENT_LIST="
902 bsfs
903 decoders
904 demuxers
905 encoders
906 filters
907 hwaccels
908 indevs
909 muxers
910 outdevs
911 parsers
912 protocols
913 "
914
915 PROGRAM_LIST="
916 avconv
917 avplay
918 avprobe
919 avserver
920 "
921
922 CONFIG_LIST="
923 $COMPONENT_LIST
924 $PROGRAM_LIST
925 ac3dsp
926 avcodec
927 avdevice
928 avfilter
929 avformat
930 avresample
931 avisynth
932 bzlib
933 dct
934 doc
935 dwt
936 dxva2
937 fastdiv
938 fft
939 frei0r
940 gnutls
941 gpl
942 gray
943 hardcoded_tables
944 libcdio
945 libdc1394
946 libfaac
947 libfreetype
948 libgsm
949 libilbc
950 libmp3lame
951 libopencore_amrnb
952 libopencore_amrwb
953 libopencv
954 libopenjpeg
955 libpulse
956 librtmp
957 libschroedinger
958 libspeex
959 libtheora
960 libvo_aacenc
961 libvo_amrwbenc
962 libvorbis
963 libvpx
964 libx264
965 libxavs
966 libxvid
967 lsp
968 mdct
969 memalign_hack
970 mpegaudiodsp
971 network
972 nonfree
973 openssl
974 pic
975 rdft
976 rtpdec
977 runtime_cpudetect
978 safe_bitstream_reader
979 shared
980 sinewin
981 small
982 sram
983 static
984 swscale
985 swscale_alpha
986 thumb
987 vaapi
988 vda
989 vdpau
990 version3
991 xmm_clobber_test
992 x11grab
993 zlib
994 "
995
996 THREADS_LIST='
997 pthreads
998 w32threads
999 '
1000
1001 ARCH_LIST='
1002 alpha
1003 arm
1004 avr32
1005 avr32_ap
1006 avr32_uc
1007 bfin
1008 ia64
1009 m68k
1010 mips
1011 mips64
1012 parisc
1013 ppc
1014 ppc64
1015 s390
1016 sh4
1017 sparc
1018 sparc64
1019 tomi
1020 x86
1021 x86_32
1022 x86_64
1023 '
1024
1025 ARCH_EXT_LIST='
1026 altivec
1027 amd3dnow
1028 amd3dnowext
1029 armv5te
1030 armv6
1031 armv6t2
1032 armvfp
1033 avx
1034 mmi
1035 mmx
1036 mmx2
1037 neon
1038 ppc4xx
1039 sse
1040 ssse3
1041 vfpv3
1042 vis
1043 '
1044
1045 HAVE_LIST_PUB='
1046 bigendian
1047 fast_unaligned
1048 '
1049
1050 HAVE_LIST="
1051 $ARCH_EXT_LIST
1052 $HAVE_LIST_PUB
1053 $THREADS_LIST
1054 aligned_malloc
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 cbrtf
1063 closesocket
1064 cmov
1065 dcbzl
1066 dev_bktr_ioctl_bt848_h
1067 dev_bktr_ioctl_meteor_h
1068 dev_ic_bt8xx_h
1069 dev_video_bktr_ioctl_bt848_h
1070 dev_video_meteor_ioctl_meteor_h
1071 dlfcn_h
1072 dlopen
1073 dos_paths
1074 ebp_available
1075 ebx_available
1076 exp2
1077 exp2f
1078 fast_64bit
1079 fast_clz
1080 fast_cmov
1081 fcntl
1082 fork
1083 getaddrinfo
1084 gethrtime
1085 GetProcessAffinityMask
1086 GetProcessMemoryInfo
1087 GetProcessTimes
1088 GetSystemTimeAsFileTime
1089 getrusage
1090 gettimeofday
1091 gnu_as
1092 ibm_asm
1093 inet_aton
1094 inline_asm
1095 isatty
1096 isinf
1097 isnan
1098 jack_port_get_latency_range
1099 ldbrx
1100 libdc1394_1
1101 libdc1394_2
1102 llrint
1103 llrintf
1104 local_aligned_16
1105 local_aligned_8
1106 localtime_r
1107 log2
1108 log2f
1109 loongson
1110 lrint
1111 lrintf
1112 machine_ioctl_bt848_h
1113 machine_ioctl_meteor_h
1114 malloc_h
1115 MapViewOfFile
1116 memalign
1117 mkstemp
1118 mmap
1119 nanosleep
1120 netinet_sctp_h
1121 poll_h
1122 posix_memalign
1123 round
1124 roundf
1125 sched_getaffinity
1126 sdl
1127 sdl_video_size
1128 setmode
1129 setrlimit
1130 Sleep
1131 sndio_h
1132 socklen_t
1133 soundcard_h
1134 strerror_r
1135 strptime
1136 strtok_r
1137 struct_addrinfo
1138 struct_ipv6_mreq
1139 struct_rusage_ru_maxrss
1140 struct_sockaddr_in6
1141 struct_sockaddr_sa_len
1142 struct_sockaddr_storage
1143 struct_v4l2_frmivalenum_discrete
1144 symver
1145 symver_asm_label
1146 symver_gnu_asm
1147 sysconf
1148 sysctl
1149 sys_mman_h
1150 sys_param_h
1151 sys_resource_h
1152 sys_select_h
1153 sys_soundcard_h
1154 sys_time_h
1155 sys_videoio_h
1156 threads
1157 trunc
1158 truncf
1159 unistd_h
1160 usleep
1161 vfp_args
1162 VirtualAlloc
1163 windows_h
1164 winsock2_h
1165 xform_asm
1166 xmm_clobbers
1167 yasm
1168 "
1169
1170 # options emitted with CONFIG_ prefix but not available on command line
1171 CONFIG_EXTRA="
1172 aandct
1173 avutil
1174 golomb
1175 gplv3
1176 h264chroma
1177 h264dsp
1178 h264pred
1179 h264qpel
1180 huffman
1181 lgplv3
1182 lpc
1183 "
1184
1185 CMDLINE_SELECT="
1186 $ARCH_EXT_LIST
1187 $CONFIG_LIST
1188 $THREADS_LIST
1189 asm
1190 cross_compile
1191 debug
1192 extra_warnings
1193 logging
1194 optimizations
1195 symver
1196 yasm
1197 "
1198
1199 PATHS_LIST='
1200 bindir
1201 datadir
1202 incdir
1203 libdir
1204 mandir
1205 prefix
1206 shlibdir
1207 '
1208
1209 CMDLINE_SET="
1210 $PATHS_LIST
1211 ar
1212 arch
1213 as
1214 build_suffix
1215 cc
1216 cpu
1217 cross_prefix
1218 dep_cc
1219 extra_version
1220 host_cc
1221 host_cflags
1222 host_ldflags
1223 host_libs
1224 host_os
1225 ld
1226 logfile
1227 malloc_prefix
1228 nm
1229 optflags
1230 pkg_config
1231 samples
1232 sysinclude
1233 sysroot
1234 target_exec
1235 target_os
1236 target_path
1237 "
1238
1239 CMDLINE_APPEND="
1240 extra_cflags
1241 "
1242
1243 # code dependency declarations
1244
1245 # architecture extensions
1246
1247 armv5te_deps="arm"
1248 armv6_deps="arm"
1249 armv6t2_deps="arm"
1250 armvfp_deps="arm"
1251 neon_deps="arm"
1252 vfpv3_deps="armvfp"
1253
1254 mmi_deps="mips"
1255
1256 altivec_deps="ppc"
1257 ppc4xx_deps="ppc"
1258
1259 vis_deps="sparc"
1260
1261 x86_64_suggest="cmov fast_cmov"
1262 amd3dnow_deps="mmx"
1263 amd3dnowext_deps="amd3dnow"
1264 mmx_deps="x86"
1265 mmx2_deps="mmx"
1266 sse_deps="mmx"
1267 ssse3_deps="sse"
1268 avx_deps="ssse3"
1269
1270 aligned_stack_if_any="ppc x86"
1271 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1272 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1273 fast_unaligned_if_any="armv6 ppc x86"
1274
1275 inline_asm_deps="!tms470"
1276 need_memalign="altivec neon sse"
1277
1278 symver_if_any="symver_asm_label symver_gnu_asm"
1279
1280 # subsystems
1281 dct_select="rdft"
1282 mdct_select="fft"
1283 rdft_select="fft"
1284 mpegaudiodsp_select="dct"
1285
1286 # decoders / encoders / hardware accelerators
1287 aac_decoder_select="mdct sinewin"
1288 aac_encoder_select="mdct sinewin"
1289 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1290 ac3_decoder_select="mdct ac3dsp ac3_parser"
1291 ac3_encoder_select="mdct ac3dsp"
1292 ac3_fixed_encoder_select="mdct ac3dsp"
1293 alac_encoder_select="lpc"
1294 amrnb_decoder_select="lsp"
1295 amrwb_decoder_select="lsp"
1296 atrac1_decoder_select="mdct sinewin"
1297 atrac3_decoder_select="mdct"
1298 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1299 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1300 cavs_decoder_select="golomb"
1301 cook_decoder_select="mdct sinewin"
1302 cscd_decoder_suggest="zlib"
1303 dca_decoder_select="mdct"
1304 dnxhd_encoder_select="aandct"
1305 dxa_decoder_select="zlib"
1306 eac3_decoder_select="ac3_decoder"
1307 eac3_encoder_select="mdct ac3dsp"
1308 eamad_decoder_select="aandct"
1309 eatgq_decoder_select="aandct"
1310 eatqi_decoder_select="aandct"
1311 ffv1_decoder_select="golomb"
1312 flac_decoder_select="golomb"
1313 flac_encoder_select="golomb lpc"
1314 flashsv_decoder_select="zlib"
1315 flashsv_encoder_select="zlib"
1316 flashsv2_decoder_select="zlib"
1317 flv_decoder_select="h263_decoder"
1318 flv_encoder_select="h263_encoder"
1319 fraps_decoder_select="huffman"
1320 h261_encoder_select="aandct"
1321 h263_decoder_select="h263_parser"
1322 h263_encoder_select="aandct"
1323 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1324 h263i_decoder_select="h263_decoder"
1325 h263p_encoder_select="h263_encoder"
1326 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1327 h264_dxva2_hwaccel_deps="dxva2api_h"
1328 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1329 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1330 h264_vda_hwaccel_select="vda h264_decoder"
1331 h264_vdpau_decoder_select="vdpau h264_decoder"
1332 iac_decoder_select="fft mdct sinewin"
1333 imc_decoder_select="fft mdct sinewin"
1334 jpegls_decoder_select="golomb"
1335 jpegls_encoder_select="golomb"
1336 ljpeg_encoder_select="aandct"
1337 loco_decoder_select="golomb"
1338 mjpeg_encoder_select="aandct"
1339 mlp_decoder_select="mlp_parser"
1340 mp1_decoder_select="mpegaudiodsp"
1341 mp1float_decoder_select="mpegaudiodsp"
1342 mp2_decoder_select="mpegaudiodsp"
1343 mp2float_decoder_select="mpegaudiodsp"
1344 mp3_decoder_select="mpegaudiodsp"
1345 mp3adu_decoder_select="mpegaudiodsp"
1346 mp3adufloat_decoder_select="mpegaudiodsp"
1347 mp3float_decoder_select="mpegaudiodsp"
1348 mp3on4_decoder_select="mpegaudiodsp"
1349 mp3on4float_decoder_select="mpegaudiodsp"
1350 mpc7_decoder_select="mpegaudiodsp"
1351 mpc8_decoder_select="mpegaudiodsp"
1352 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1353 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1354 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1355 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1356 mpeg1video_encoder_select="aandct"
1357 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1358 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1359 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1360 mpeg2video_encoder_select="aandct"
1361 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1362 mpeg4_encoder_select="h263_encoder"
1363 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1364 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1365 msmpeg4v1_decoder_select="h263_decoder"
1366 msmpeg4v1_encoder_select="h263_encoder"
1367 msmpeg4v2_decoder_select="h263_decoder"
1368 msmpeg4v2_encoder_select="h263_encoder"
1369 msmpeg4v3_decoder_select="h263_decoder"
1370 msmpeg4v3_encoder_select="h263_encoder"
1371 nellymoser_decoder_select="mdct sinewin"
1372 nellymoser_encoder_select="mdct sinewin"
1373 png_decoder_select="zlib"
1374 png_encoder_select="zlib"
1375 qcelp_decoder_select="lsp"
1376 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1377 ra_144_encoder_select="lpc"
1378 ralf_decoder_select="golomb"
1379 rv10_decoder_select="h263_decoder"
1380 rv10_encoder_select="h263_encoder"
1381 rv20_decoder_select="h263_decoder"
1382 rv20_encoder_select="h263_encoder"
1383 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1384 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1385 shorten_decoder_select="golomb"
1386 sipr_decoder_select="lsp"
1387 snow_decoder_select="dwt"
1388 snow_encoder_select="aandct dwt"
1389 svq1_encoder_select="aandct"
1390 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1391 svq3_decoder_suggest="zlib"
1392 theora_decoder_select="vp3_decoder"
1393 tiff_decoder_suggest="zlib"
1394 tiff_encoder_suggest="zlib"
1395 truehd_decoder_select="mlp_decoder"
1396 tscc_decoder_select="zlib"
1397 twinvq_decoder_select="mdct lsp sinewin"
1398 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1399 vc1_dxva2_hwaccel_deps="dxva2api_h"
1400 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1401 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1402 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1403 vc1image_decoder_select="vc1_decoder"
1404 vorbis_decoder_select="mdct"
1405 vorbis_encoder_select="mdct"
1406 vp6_decoder_select="huffman"
1407 vp6a_decoder_select="vp6_decoder"
1408 vp6f_decoder_select="vp6_decoder"
1409 vp8_decoder_select="h264pred h264qpel"
1410 wmapro_decoder_select="mdct sinewin"
1411 wmav1_decoder_select="mdct sinewin"
1412 wmav1_encoder_select="mdct sinewin"
1413 wmav2_decoder_select="mdct sinewin"
1414 wmav2_encoder_select="mdct sinewin"
1415 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1416 wmv1_decoder_select="h263_decoder"
1417 wmv1_encoder_select="h263_encoder"
1418 wmv2_decoder_select="h263_decoder"
1419 wmv2_encoder_select="h263_encoder"
1420 wmv3_decoder_select="vc1_decoder"
1421 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1422 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1423 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1424 wmv3image_decoder_select="wmv3_decoder"
1425 zerocodec_decoder_select="zlib"
1426 zlib_decoder_select="zlib"
1427 zlib_encoder_select="zlib"
1428 zmbv_decoder_select="zlib"
1429 zmbv_encoder_select="zlib"
1430
1431 vaapi_deps="va_va_h"
1432 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1433 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1434
1435 # parsers
1436 h264_parser_select="golomb h264dsp h264pred"
1437
1438 # external libraries
1439 libfaac_encoder_deps="libfaac"
1440 libgsm_decoder_deps="libgsm"
1441 libgsm_encoder_deps="libgsm"
1442 libgsm_ms_decoder_deps="libgsm"
1443 libgsm_ms_encoder_deps="libgsm"
1444 libilbc_decoder_deps="libilbc"
1445 libilbc_encoder_deps="libilbc"
1446 libmp3lame_encoder_deps="libmp3lame"
1447 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1448 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1449 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1450 libopenjpeg_decoder_deps="libopenjpeg"
1451 libschroedinger_decoder_deps="libschroedinger"
1452 libschroedinger_encoder_deps="libschroedinger"
1453 libspeex_decoder_deps="libspeex"
1454 libspeex_encoder_deps="libspeex"
1455 libtheora_encoder_deps="libtheora"
1456 libvo_aacenc_encoder_deps="libvo_aacenc"
1457 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1458 libvorbis_encoder_deps="libvorbis"
1459 libvpx_decoder_deps="libvpx"
1460 libvpx_encoder_deps="libvpx"
1461 libx264_encoder_deps="libx264"
1462 libxavs_encoder_deps="libxavs"
1463 libxvid_encoder_deps="libxvid"
1464
1465 # demuxers / muxers
1466 ac3_demuxer_select="ac3_parser"
1467 asf_stream_muxer_select="asf_muxer"
1468 avisynth_demuxer_deps="avisynth"
1469 dirac_demuxer_select="dirac_parser"
1470 eac3_demuxer_select="ac3_parser"
1471 flac_demuxer_select="flac_parser"
1472 ipod_muxer_select="mov_muxer"
1473 matroska_audio_muxer_select="matroska_muxer"
1474 matroska_demuxer_suggest="zlib bzlib"
1475 mov_demuxer_suggest="zlib"
1476 mp3_demuxer_select="mpegaudio_parser"
1477 mp4_muxer_select="mov_muxer"
1478 mpegts_muxer_select="adts_muxer latm_muxer"
1479 mpegtsraw_demuxer_select="mpegts_demuxer"
1480 mxf_d10_muxer_select="mxf_muxer"
1481 ogg_demuxer_select="golomb"
1482 psp_muxer_select="mov_muxer"
1483 rtp_demuxer_select="sdp_demuxer"
1484 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1485 rtsp_demuxer_select="http_protocol rtpdec"
1486 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1487 sap_demuxer_select="sdp_demuxer"
1488 sap_muxer_select="rtp_muxer rtp_protocol"
1489 sdp_demuxer_select="rtpdec"
1490 spdif_muxer_select="aac_parser"
1491 tg2_muxer_select="mov_muxer"
1492 tgp_muxer_select="mov_muxer"
1493 w64_demuxer_deps="wav_demuxer"
1494
1495 # indevs / outdevs
1496 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1497 alsa_outdev_deps="alsa_asoundlib_h"
1498 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1499 dv1394_indev_deps="dv1394 dv_demuxer"
1500 fbdev_indev_deps="linux_fb_h"
1501 jack_indev_deps="jack_jack_h"
1502 libcdio_indev_deps="libcdio"
1503 libdc1394_indev_deps="libdc1394"
1504 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1505 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1506 pulse_indev_deps="libpulse"
1507 sndio_indev_deps="sndio_h"
1508 sndio_outdev_deps="sndio_h"
1509 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1510 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1511 vfwcap_indev_extralibs="-lavicap32"
1512 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1513
1514 # protocols
1515 gopher_protocol_deps="network"
1516 httpproxy_protocol_deps="network"
1517 httpproxy_protocol_select="tcp_protocol"
1518 http_protocol_deps="network"
1519 http_protocol_select="tcp_protocol"
1520 https_protocol_select="tls_protocol"
1521 librtmp_protocol_deps="librtmp"
1522 librtmpe_protocol_deps="librtmp"
1523 librtmps_protocol_deps="librtmp"
1524 librtmpt_protocol_deps="librtmp"
1525 librtmpte_protocol_deps="librtmp"
1526 mmsh_protocol_select="http_protocol"
1527 mmst_protocol_deps="network"
1528 rtmp_protocol_deps="!librtmp_protocol"
1529 rtmp_protocol_select="tcp_protocol"
1530 rtmphttp_protocol_deps="!librtmp_protocol"
1531 rtmphttp_protocol_select="http_protocol"
1532 rtmpt_protocol_deps="!librtmp_protocol"
1533 rtmpt_protocol_select="rtmphttp_protocol"
1534 rtp_protocol_select="udp_protocol"
1535 sctp_protocol_deps="network netinet_sctp_h"
1536 tcp_protocol_deps="network"
1537 tls_protocol_deps_any="openssl gnutls"
1538 tls_protocol_select="tcp_protocol"
1539 udp_protocol_deps="network"
1540
1541 # filters
1542 blackframe_filter_deps="gpl"
1543 boxblur_filter_deps="gpl"
1544 cropdetect_filter_deps="gpl"
1545 delogo_filter_deps="gpl"
1546 drawtext_filter_deps="libfreetype"
1547 frei0r_filter_deps="frei0r dlopen strtok_r"
1548 frei0r_filter_extralibs='$ldl'
1549 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1550 frei0r_src_filter_extralibs='$ldl'
1551 hqdn3d_filter_deps="gpl"
1552 resample_filter_deps="avresample"
1553 ocv_filter_deps="libopencv"
1554 scale_filter_deps="swscale"
1555 yadif_filter_deps="gpl"
1556
1557 # libraries
1558 avdevice_deps="avcodec avformat"
1559 avformat_deps="avcodec"
1560
1561 # programs
1562 avconv_deps="avcodec avfilter avformat avresample swscale
1563 aformat_filter asyncts_filter
1564 format_filter fps_filter scale_filter setpts_filter"
1565 avplay_deps="avcodec avformat swscale sdl"
1566 avplay_select="rdft"
1567 avprobe_deps="avcodec avformat"
1568 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1569 avserver_extralibs='$ldl'
1570
1571 doc_deps="texi2html"
1572
1573 # tests
1574
1575 test_deps(){
1576 suf1=$1
1577 suf2=$2
1578 shift 2
1579 for v; do
1580 dep=${v%=*}
1581 tests=${v#*=}
1582 for name in ${tests}; do
1583 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1584 done
1585 done
1586 }
1587
1588 mxf_d10_test_deps="avfilter"
1589 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1590
1591 test_deps _muxer _demuxer \
1592 aiff \
1593 pcm_alaw=alaw \
1594 asf \
1595 au \
1596 avi \
1597 dv=dv_fmt \
1598 ffm \
1599 flv=flv_fmt \
1600 gxf \
1601 matroska=mkv \
1602 mmf \
1603 mov \
1604 pcm_mulaw=mulaw \
1605 mxf="mxf mxf_d10" \
1606 nut \
1607 ogg \
1608 rawvideo=pixfmt \
1609 rm \
1610 swf \
1611 mpegts=ts \
1612 voc \
1613 wav \
1614 yuv4mpegpipe=yuv4mpeg \
1615
1616 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1617
1618 # default parameters
1619
1620 logfile="config.log"
1621
1622 # installation paths
1623 prefix_default="/usr/local"
1624 bindir_default='${prefix}/bin'
1625 datadir_default='${prefix}/share/avconv'
1626 incdir_default='${prefix}/include'
1627 libdir_default='${prefix}/lib'
1628 mandir_default='${prefix}/share/man'
1629 shlibdir_default="$libdir_default"
1630
1631 # toolchain
1632 ar_default="ar"
1633 cc_default="gcc"
1634 cc_version=\"unknown\"
1635 host_cc_default="gcc"
1636 ln_s="ln -sf"
1637 nm_default="nm"
1638 objformat="elf"
1639 pkg_config_default=pkg-config
1640 ranlib="ranlib"
1641 yasmexe="yasm"
1642
1643 nm_opts='-g'
1644 nogas=":"
1645
1646 # machine
1647 arch_default=$(uname -m)
1648 cpu="generic"
1649
1650 # OS
1651 target_os_default=$(tolower $(uname -s))
1652 host_os=$target_os_default
1653
1654 # configurable options
1655 enable $PROGRAM_LIST
1656
1657 enable avcodec
1658 enable avdevice
1659 enable avfilter
1660 enable avformat
1661 enable avresample
1662 enable avutil
1663 enable swscale
1664
1665 enable asm
1666 enable debug
1667 enable doc
1668 enable fastdiv
1669 enable network
1670 enable optimizations
1671 enable safe_bitstream_reader
1672 enable static
1673 enable swscale_alpha
1674
1675 # build settings
1676 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1677 AVSERVERLDFLAGS=-Wl,-E
1678 LIBPREF="lib"
1679 LIBSUF=".a"
1680 FULLNAME='$(NAME)$(BUILDSUF)'
1681 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1682 SLIBPREF="lib"
1683 SLIBSUF=".so"
1684 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1685 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1686 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1687 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1688 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1689 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1690
1691 AS_O='-o $@'
1692 CC_O='-o $@'
1693
1694 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1695 host_libs='-lm'
1696
1697 target_path='$(CURDIR)'
1698
1699 # since the object filename is not given with the -MM flag, the compiler
1700 # is only able to print the basename, and we must add the path ourselves
1701 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1702 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1703
1704 # find source path
1705 if test -f configure; then
1706 source_path=.
1707 else
1708 source_path=$(cd $(dirname "$0"); pwd)
1709 echo "$source_path" | grep -q '[[:blank:]]' &&
1710 die "Out of tree builds are impossible with whitespace in source path."
1711 test -e "$source_path/config.h" &&
1712 die "Out of tree builds are impossible with config.h in source dir."
1713 fi
1714
1715 for v in "$@"; do
1716 r=${v#*=}
1717 l=${v%"$r"}
1718 r=$(sh_quote "$r")
1719 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1720 done
1721
1722 find_things(){
1723 thing=$1
1724 pattern=$2
1725 file=$source_path/$3
1726 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1727 }
1728
1729 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1730 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1731 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1732 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1733 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1734 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1735 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1736 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1737 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1738 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1739 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1740
1741 ALL_COMPONENTS="
1742 $BSF_LIST
1743 $DECODER_LIST
1744 $DEMUXER_LIST
1745 $ENCODER_LIST
1746 $FILTER_LIST
1747 $HWACCEL_LIST
1748 $INDEV_LIST
1749 $MUXER_LIST
1750 $OUTDEV_LIST
1751 $PARSER_LIST
1752 $PROTOCOL_LIST
1753 "
1754
1755 find_tests(){
1756 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1757 }
1758
1759 LAVF_TESTS=$(find_tests lavf)
1760 LAVFI_TESTS=$(find_tests lavfi)
1761 SEEK_TESTS=$(find_tests seek seek_)
1762
1763 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1764
1765 for n in $COMPONENT_LIST; do
1766 v=$(toupper ${n%s})_LIST
1767 eval enable \$$v
1768 eval ${n}_if_any="\$$v"
1769 done
1770
1771 enable $ARCH_EXT_LIST $ALL_TESTS
1772
1773 die_unknown(){
1774 echo "Unknown option \"$1\"."
1775 echo "See $0 --help for available options."
1776 exit 1
1777 }
1778
1779 show_list() {
1780 suffix=_$1
1781 shift
1782 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1783 exit 0
1784 }
1785
1786 for opt do
1787 optval="${opt#*=}"
1788 case "$opt" in
1789 --extra-ldflags=*) add_ldflags $optval
1790 ;;
1791 --extra-libs=*) add_extralibs $optval
1792 ;;
1793 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1794 ;;
1795 --enable-debug=*) debuglevel="$optval"
1796 ;;
1797 --disable-everything)
1798 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1799 ;;
1800 --enable-*=*|--disable-*=*)
1801 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1802 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1803 eval list=\$$(toupper $thing)_LIST
1804 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1805 $action $(filter "$name" $list)
1806 ;;
1807 --enable-?*|--disable-?*)
1808 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1809 if is_in $option $COMPONENT_LIST; then
1810 test $action = disable && action=unset
1811 eval $action \$$(toupper ${option%s})_LIST
1812 elif is_in $option $CMDLINE_SELECT; then
1813 $action $option
1814 else
1815 die_unknown $opt
1816 fi
1817 ;;
1818 --list-*)
1819 NAME="${opt#--list-}"
1820 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1821 NAME=${NAME%s}
1822 eval show_list $NAME \$$(toupper $NAME)_LIST
1823 ;;
1824 --help|-h) show_help
1825 ;;
1826 *)
1827 optname="${opt%%=*}"
1828 optname="${optname#--}"
1829 optname=$(echo "$optname" | sed 's/-/_/g')
1830 if is_in $optname $CMDLINE_SET; then
1831 eval $optname='$optval'
1832 elif is_in $optname $CMDLINE_APPEND; then
1833 append $optname "$optval"
1834 else
1835 die_unknown $opt
1836 fi
1837 ;;
1838 esac
1839 done
1840
1841 disabled logging && logfile=/dev/null
1842
1843 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1844 set >> $logfile
1845
1846 test -n "$cross_prefix" && enable cross_compile
1847
1848 if enabled cross_compile; then
1849 test -n "$arch" && test -n "$target_os" ||
1850 die "Must specify target arch and OS when cross-compiling"
1851 fi
1852
1853 set_default arch target_os
1854
1855 ar_default="${cross_prefix}${ar_default}"
1856 cc_default="${cross_prefix}${cc_default}"
1857 nm_default="${cross_prefix}${nm_default}"
1858 pkg_config_default="${cross_prefix}${pkg_config_default}"
1859 ranlib="${cross_prefix}${ranlib}"
1860
1861 sysinclude_default="${sysroot}/usr/include"
1862
1863 set_default cc nm pkg_config sysinclude
1864 enabled cross_compile || host_cc_default=$cc
1865 set_default host_cc
1866
1867 if ! $pkg_config --version >/dev/null 2>&1; then
1868 warn "$pkg_config not found, library detection may fail."
1869 pkg_config=false
1870 fi
1871
1872 exesuf() {
1873 case $1 in
1874 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1875 esac
1876 }
1877
1878 EXESUF=$(exesuf $target_os)
1879 HOSTEXESUF=$(exesuf $host_os)
1880
1881 # set temporary file name
1882 : ${TMPDIR:=$TEMPDIR}
1883 : ${TMPDIR:=$TMP}
1884 : ${TMPDIR:=/tmp}
1885
1886 if ! check_cmd mktemp -u XXXXXX; then
1887 # simple replacement for missing mktemp
1888 # NOT SAFE FOR GENERAL USE
1889 mktemp(){
1890 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1891 }
1892 fi
1893
1894 tmpfile(){
1895 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1896 (set -C; exec > $tmp) 2>/dev/null ||
1897 die "Unable to create temporary file in $TMPDIR."
1898 append TMPFILES $tmp
1899 eval $1=$tmp
1900 }
1901
1902 trap 'rm -f -- $TMPFILES' EXIT
1903
1904 tmpfile TMPASM .asm
1905 tmpfile TMPC .c
1906 tmpfile TMPE $EXESUF
1907 tmpfile TMPH .h
1908 tmpfile TMPO .o
1909 tmpfile TMPS .S
1910 tmpfile TMPSH .sh
1911 tmpfile TMPV .ver
1912
1913 unset -f mktemp
1914
1915 chmod +x $TMPE
1916
1917 # make sure we can execute files in $TMPDIR
1918 cat > $TMPSH 2>> $logfile <<EOF
1919 #! /bin/sh
1920 EOF
1921 chmod +x $TMPSH >> $logfile 2>&1
1922 if ! $TMPSH >> $logfile 2>&1; then
1923 cat <<EOF
1924 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1925 variable to another directory and make sure that it is not mounted noexec.
1926 EOF
1927 die "Sanity test failed."
1928 fi
1929
1930 filter_asflags=echo
1931 filter_cflags=echo
1932 filter_cppflags=echo
1933
1934 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1935 cc_type=llvm_gcc
1936 cc_version=__VERSION__
1937 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1938 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1939 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1940 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1941 speed_cflags='-O3'
1942 size_cflags='-Os'
1943 elif $cc -v 2>&1 | grep -qi ^gcc; then
1944 cc_type=gcc
1945 cc_version=__VERSION__
1946 gcc_version=$($cc --version | head -n1)
1947 gcc_basever=$($cc -dumpversion)
1948 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1949 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1950 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1951 if ! $cc -dumpversion | grep -q '^2\.'; then
1952 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1953 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1954 fi
1955 speed_cflags='-O3'
1956 size_cflags='-Os'
1957 elif $cc --version 2>/dev/null | grep -q Intel; then
1958 cc_type=icc
1959 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1960 cc_ident=$($cc --version | head -n1)
1961 icc_version=$($cc -dumpversion)
1962 CC_DEPFLAGS='-MMD'
1963 AS_DEPFLAGS='-MMD'
1964 speed_cflags='-O3'
1965 size_cflags='-Os'
1966 noopt_cflags='-O1'
1967 elif $cc -v 2>&1 | grep -q xlc; then
1968 cc_type=xlc
1969 cc_version="AV_STRINGIFY(__IBMC__)"
1970 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1971 speed_cflags='-O5'
1972 size_cflags='-O5 -qcompact'
1973 elif $cc -V 2>/dev/null | grep -q Compaq; then
1974 cc_type=ccc
1975 cc_version="AV_STRINGIFY(__DECC_VER)"
1976 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1977 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1978 debuglevel=3
1979 add_ldflags -Wl,-z,now # calls to libots crash without this
1980 speed_cflags='-fast'
1981 size_cflags='-O1'
1982 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1983 test -d "$sysroot" || die "No valid sysroot specified."
1984 cc_type=armcc
1985 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1986 cc_ident=$($cc --vsn | head -n1)
1987 armcc_conf="$PWD/armcc.conf"
1988 $cc --arm_linux_configure \
1989 --arm_linux_config_file="$armcc_conf" \
1990 --configure_sysroot="$sysroot" \
1991 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1992 die "Error creating armcc configuration file."
1993 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1994 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1995 as_default="${cross_prefix}gcc"
1996 CC_DEPFLAGS='-MMD'
1997 AS_DEPFLAGS='-MMD'
1998 speed_cflags='-O3'
1999 size_cflags='-Os'
2000 filter_asflags="filter_out -W${armcc_opt}*"
2001 elif $cc -version 2>/dev/null | grep -q TMS470; then
2002 cc_type=tms470
2003 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2004 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2005 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2006 CC_O='-fr=$(@D)'
2007 as_default="${cross_prefix}gcc"
2008 ld_default="${cross_prefix}gcc"
2009 TMPO=$(basename $TMPC .c).o
2010 append TMPFILES $TMPO
2011 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2012 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2013 AS_DEPFLAGS='-MMD'
2014 speed_cflags='-O3 -mf=5'
2015 size_cflags='-O3 -mf=2'
2016 filter_cflags=tms470_flags
2017 tms470_flags(){
2018 for flag; do
2019 case $flag in
2020 -march=*|-mcpu=*)
2021 case "${flag#*=}" in
2022 armv7-a|cortex-a*) echo -mv=7a8 ;;
2023 armv7-r|cortex-r*) echo -mv=7r4 ;;
2024 armv7-m|cortex-m*) echo -mv=7m3 ;;
2025 armv6*|arm11*) echo -mv=6 ;;
2026 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2027 echo -mv=5e ;;
2028 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2029 esac
2030 ;;
2031 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2032 -mfpu=vfp) echo --float_support=vfpv2 ;;
2033 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2034 -msoft-float) echo --float_support=vfplib ;;
2035 -O[0-3]|-mf=*) echo $flag ;;
2036 -g) echo -g -mn ;;
2037 -pds=*) echo $flag ;;
2038 esac
2039 done
2040 }
2041 elif $cc -v 2>&1 | grep -q clang; then
2042 cc_type=clang
2043 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2044 cc_version=__clang_version__ || cc_version=__VERSION__
2045 cc_ident=$($cc --version | head -n1)
2046 CC_DEPFLAGS='-MMD'
2047 AS_DEPFLAGS='-MMD'
2048 speed_cflags='-O3'
2049 size_cflags='-Os'
2050 elif $cc -V 2>&1 | grep -q Sun; then
2051 cc_type=suncc
2052 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2053 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2054 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2055 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2056 add_ldflags -xc99
2057 speed_cflags='-O5'
2058 size_cflags='-O5 -xspace'
2059 filter_cflags=suncc_flags
2060 suncc_flags(){
2061 for flag; do
2062 case $flag in
2063 -march=*|-mcpu=*)
2064 case "${flag#*=}" in
2065 native) echo -xtarget=native ;;
2066 v9|niagara) echo -xarch=sparc ;;
2067 ultrasparc) echo -xarch=sparcvis ;;
2068 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2069 i586|pentium) echo -xchip=pentium ;;
2070 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2071 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2072 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2073 pentium4*) echo -xtarget=pentium4 ;;
2074 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2075 *-sse3) echo -xarch=sse3 ;;
2076 core2) echo -xarch=ssse3 -xchip=core2 ;;
2077 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2078 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2079 k8|opteron|athlon64|athlon-fx)
2080 echo -xarch=sse2a ;;
2081 athlon*) echo -xarch=pentium_proa ;;
2082 esac
2083 ;;
2084 -std=c99) echo -xc99 ;;
2085 -fomit-frame-pointer) echo -xregs=frameptr ;;
2086 -fPIC) echo -KPIC -xcode=pic32 ;;
2087 -W*,*) echo $flag ;;
2088 -f*-*|-W*) ;;
2089 *) echo $flag ;;
2090 esac
2091 done
2092 }
2093 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2094 cc_type=pathscale
2095 cc_version=__PATHSCALE__
2096 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2097 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2098 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2099 speed_cflags='-O2'
2100 size_cflags='-Os'
2101 filter_cflags='filter_out -Wdisabled-optimization'
2102 elif $cc -v 2>&1 | grep -q Open64; then
2103 cc_type=open64
2104 cc_version=__OPEN64__
2105 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2106 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2107 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2108 speed_cflags='-O2'
2109 size_cflags='-Os'
2110 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2111 elif $cc -V 2>&1 | grep -q Portland; then
2112 cc_type=pgi
2113 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2114 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2115 opt_common='-alias=ansi -Mlre -Mpre'
2116 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2117 size_cflags="-O2 -Munroll=c:1 $opt_common"
2118 noopt_cflags="-O1"
2119 filter_cflags=pgi_flags
2120 pgi_flags(){
2121 for flag; do
2122 case $flag in
2123 -fomit-frame-pointer) echo -Mnoframe ;;
2124 -g) echo -gopt ;;
2125 *) echo $flag ;;
2126 esac
2127 done
2128 }
2129 fi
2130
2131 test -n "$cc_type" && enable $cc_type ||
2132 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2133
2134 : ${as_default:=$cc}
2135 : ${dep_cc_default:=$cc}
2136 : ${ld_default:=$cc}
2137 set_default ar as dep_cc ld
2138
2139 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2140 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2141
2142 add_cflags $extra_cflags
2143 add_asflags $extra_cflags
2144
2145 if test -n "$sysroot"; then
2146 case "$cc_type" in
2147 gcc|llvm_gcc|clang)
2148 add_cppflags --sysroot="$sysroot"
2149 add_ldflags --sysroot="$sysroot"
2150 ;;
2151 tms470)
2152 add_cppflags -I"$sysinclude"
2153 add_ldflags --sysroot="$sysroot"
2154 ;;
2155 esac
2156 fi
2157
2158 if test "$cpu" = host; then
2159 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2160
2161 case "$cc_type" in
2162 gcc|llvm_gcc)
2163 check_native(){
2164 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2165 sed -n "/cc1.*$1=/{
2166 s/.*$1=\\([^ ]*\\).*/\\1/
2167 p
2168 q
2169 }" $TMPE
2170 }
2171 cpu=$(check_native -march || check_native -mcpu)
2172 ;;
2173 esac
2174
2175 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2176 fi
2177
2178 # Deal with common $arch aliases
2179 case "$arch" in
2180 arm*)
2181 arch="arm"
2182 ;;
2183 mips|mipsel|IP*)
2184 arch="mips"
2185 ;;
2186 mips64*)
2187 arch="mips"
2188 subarch="mips64"
2189 ;;
2190 parisc|hppa)
2191 arch="parisc"
2192 ;;
2193 parisc64|hppa64)
2194 arch="parisc"
2195 subarch="parisc64"
2196 ;;
2197 "Power Macintosh"|ppc|powerpc)
2198 arch="ppc"
2199 ;;
2200 ppc64|powerpc64)
2201 arch="ppc"
2202 subarch="ppc64"
2203 ;;
2204 s390|s390x)
2205 arch="s390"
2206 ;;
2207 sh4|sh)
2208 arch="sh4"
2209 ;;
2210 sun4u|sparc64)
2211 arch="sparc"
2212 subarch="sparc64"
2213 ;;
2214 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2215 arch="x86"
2216 ;;
2217 esac
2218
2219 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2220 enable $arch
2221
2222 # Add processor-specific flags
2223 if test "$cpu" = generic; then
2224 : do nothing
2225 elif enabled ppc; then
2226
2227 case $(tolower $cpu) in
2228 601|ppc601|powerpc601)
2229 cpuflags="-mcpu=601"
2230 disable altivec
2231 ;;
2232 603*|ppc603*|powerpc603*)
2233 cpuflags="-mcpu=603"
2234 disable altivec
2235 ;;
2236 604*|ppc604*|powerpc604*)
2237 cpuflags="-mcpu=604"
2238 disable altivec
2239 ;;
2240 g3|75*|ppc75*|powerpc75*)
2241 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2242 disable altivec
2243 ;;
2244 g4|745*|ppc745*|powerpc745*)
2245 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2246 ;;
2247 74*|ppc74*|powerpc74*)
2248 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2249 ;;
2250 g5|970|ppc970|powerpc970)
2251 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2252 ;;
2253 power[3-7]*)
2254 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2255 ;;
2256 cell)
2257 cpuflags="-mcpu=cell"
2258 enable ldbrx
2259 ;;
2260 e500v2)
2261 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2262 disable altivec
2263 ;;
2264 e500)
2265 cpuflags="-mcpu=8540 -mhard-float"
2266 disable altivec
2267 ;;
2268 esac
2269
2270 elif enabled x86; then
2271
2272 case $cpu in
2273 i[345]86|pentium)
2274 cpuflags="-march=$cpu"
2275 disable mmx
2276 ;;
2277 # targets that do NOT support conditional mov (cmov)
2278 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2279 cpuflags="-march=$cpu"
2280 disable cmov
2281 ;;
2282 # targets that do support conditional mov (cmov)
2283 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2284 cpuflags="-march=$cpu"
2285 enable cmov
2286 enable fast_cmov
2287 ;;
2288 # targets that do support conditional mov but on which it's slow
2289 pentium4|pentium4m|prescott|nocona)
2290 cpuflags="-march=$cpu"
2291 enable cmov
2292 disable fast_cmov
2293 ;;
2294 esac
2295
2296 elif enabled sparc; then
2297
2298 case $cpu in
2299 niagara)
2300 cpuflags="-mcpu=$cpu"
2301 disable vis
2302 ;;
2303 sparc64)
2304 cpuflags="-mcpu=v9"
2305 ;;
2306 esac
2307
2308 elif enabled arm; then
2309
2310 case $cpu in
2311 armv*)
2312 cpuflags="-march=$cpu"
2313 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2314 ;;
2315 *)
2316 cpuflags="-mcpu=$cpu"
2317 case $cpu in
2318 cortex-a*) subarch=armv7a ;;
2319 cortex-r*) subarch=armv7r ;;
2320 cortex-m*) enable thumb; subarch=armv7m ;;
2321 arm11*) subarch=armv6 ;;
2322 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2323 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2324 esac
2325 ;;
2326 esac
2327
2328 elif enabled alpha; then
2329
2330 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2331
2332 elif enabled bfin; then
2333
2334 cpuflags="-mcpu=$cpu"
2335
2336 elif enabled mips; then
2337
2338 cpuflags="-march=$cpu"
2339
2340 elif enabled avr32; then
2341
2342 case $cpu in
2343 ap7[02]0[0-2])
2344 subarch="avr32_ap"
2345 cpuflags="-mpart=$cpu"
2346 ;;
2347 ap)
2348 subarch="avr32_ap"
2349 cpuflags="-march=$cpu"
2350 ;;
2351 uc3[ab]*)
2352 subarch="avr32_uc"
2353 cpuflags="-mcpu=$cpu"
2354 ;;
2355 uc)
2356 subarch="avr32_uc"
2357 cpuflags="-march=$cpu"
2358 ;;
2359 esac
2360
2361 fi
2362
2363 add_cflags $cpuflags
2364 add_asflags $cpuflags
2365
2366 # compiler sanity check
2367 check_exec <<EOF
2368 int main(void){ return 0; }
2369 EOF
2370 if test "$?" != 0; then
2371 echo "$cc is unable to create an executable file."
2372 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2373 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2374 echo "Only do this if you know what cross compiling means."
2375 fi
2376 die "C compiler test failed."
2377 fi
2378
2379 add_cppflags -D_ISOC99_SOURCE
2380 check_cflags -std=c99
2381 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2382 #include <stdlib.h>
2383 EOF
2384 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2385 #include <stdlib.h>
2386 EOF
2387
2388 check_host_cflags -std=c99
2389 check_host_cflags -Wall
2390
2391 case "$arch" in
2392 alpha|ia64|mips|parisc|sparc)
2393 spic=$shared
2394 ;;
2395 x86)
2396 subarch="x86_32"
2397 check_cc <<EOF && subarch="x86_64"
2398 int test[(int)sizeof(char*) - 7];
2399 EOF
2400 if test "$subarch" = "x86_64"; then
2401 spic=$shared
2402 fi
2403 ;;
2404 esac
2405
2406 enable $subarch
2407 enabled spic && enable pic
2408
2409 # OS specific
2410 case $target_os in
2411 haiku)
2412 prefix_default="/boot/common"
2413 network_extralibs="-lnetwork"
2414 host_libs=
2415 ;;
2416 sunos)
2417 AVSERVERLDFLAGS=""
2418 SHFLAGS='-shared -Wl,-h,$$(@F)'
2419 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2420 network_extralibs="-lsocket -lnsl"
2421 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2422 # When using suncc to build, the Solaris linker will mark
2423 # an executable with each instruction set encountered by
2424 # the Solaris assembler. As our libraries contain their own
2425 # guards for processor-specific code, instead suppress
2426 # generation of the HWCAPS ELF section on Solaris x86 only.
2427 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2428 nm_opts='-P -g'
2429 ;;
2430 netbsd)
2431 disable symver
2432 oss_indev_extralibs="-lossaudio"
2433 oss_outdev_extralibs="-lossaudio"
2434 ;;
2435 openbsd)
2436 # On OpenBSD 4.5. the compiler does not use PIC unless
2437 # explicitly using -fPIC. Libav builds fine without PIC,
2438 # however the generated executable will not do anything
2439 # (simply quits with exit-code 1, no crash, no output).
2440 # Thus explicitly enable PIC here.
2441 enable pic
2442 disable symver
2443 SHFLAGS='-shared'
2444 oss_indev_extralibs="-lossaudio"
2445 oss_outdev_extralibs="-lossaudio"
2446 ;;
2447 dragonfly)
2448 disable symver
2449 ;;
2450 freebsd)
2451 ;;
2452 bsd/os)
2453 add_extralibs -lpoll -lgnugetopt
2454 ;;
2455 darwin)
2456 gas="gas-preprocessor.pl $cc"
2457 enabled ppc && add_asflags -force_cpusubtype_ALL
2458 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2459 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2460 add_ldflags -Wl,-dynamic,-search_paths_first
2461 SLIBSUF=".dylib"
2462 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2463 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2464 AVSERVERLDFLAGS=-Wl,-bind_at_load
2465 objformat="macho"
2466 enabled x86_64 && objformat="macho64"
2467 enabled_any pic shared ||
2468 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2469 ;;
2470 mingw32*)
2471 if test $target_os = "mingw32ce"; then
2472 disable network
2473 else
2474 target_os=mingw32
2475 fi
2476 LIBTARGET=i386
2477 if enabled x86_64; then
2478 LIBTARGET="i386:x86-64"
2479 elif enabled arm; then
2480 LIBTARGET=arm-wince
2481 fi
2482 shlibdir_default="$bindir_default"
2483 SLIBPREF=""
2484 SLIBSUF=".dll"
2485 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2486 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2487 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2488 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2489 SLIB_INSTALL_LINKS=
2490 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2491 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2492 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'
2493 objformat="win32"
2494 dlltool="${cross_prefix}dlltool"
2495 enable dos_paths
2496 check_cflags -fno-common
2497 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2498 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2499 die "ERROR: MinGW runtime version must be >= 3.15."
2500 add_cppflags -U__STRICT_ANSI__
2501 ;;
2502 cygwin*)
2503 target_os=cygwin
2504 shlibdir_default="$bindir_default"
2505 SLIBPREF="cyg"
2506 SLIBSUF=".dll"
2507 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2508 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2509 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2510 objformat="win32"
2511 enable dos_paths
2512 check_cflags -fno-common
2513 add_cppflags -U__STRICT_ANSI__
2514 ;;
2515 *-dos|freedos|opendos)
2516 network_extralibs="-lsocket"
2517 objformat="coff"
2518 enable dos_paths
2519 add_cppflags -U__STRICT_ANSI__
2520 ;;
2521 linux)
2522 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2523 enable dv1394
2524 ;;
2525 irix*)
2526 target_os=irix
2527 ranlib="echo ignoring ranlib"
2528 ;;
2529 os/2*)
2530 ln_s="cp -f"
2531 objformat="aout"
2532 add_cppflags -D_GNU_SOURCE
2533 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2534 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2535 AVSERVERLDFLAGS=""
2536 LIBSUF="_s.a"
2537 SLIBPREF=""
2538 SLIBSUF=".dll"
2539 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2540 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2541 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2542 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2543 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2544 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2545 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2546 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2547 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2548 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2549 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2550 enable dos_paths
2551 ;;
2552 gnu/kfreebsd)
2553 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2554 ;;
2555 gnu)
2556 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2557 ;;
2558 qnx)
2559 add_cppflags -D_QNX_SOURCE
2560 network_extralibs="-lsocket"
2561 ;;
2562 symbian)
2563 SLIBSUF=".dll"
2564 enable dos_paths
2565 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2566 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2567 add_ldflags -Wl,--target1-abs,--no-undefined \
2568 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2569 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2570 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2571 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2572 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2573 ;;
2574 none)
2575 ;;
2576 *)
2577 die "Unknown OS '$target_os'."
2578 ;;
2579 esac
2580
2581 esc(){
2582 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2583 }
2584
2585 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2586
2587 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2588
2589 set_default $PATHS_LIST
2590
2591 # we need to build at least one lib type
2592 if ! enabled_any static shared; then
2593 cat <<EOF
2594 At least one library type must be built.
2595 Specify --enable-static to build the static libraries or --enable-shared to
2596 build the shared libraries as well. To only build the shared libraries specify
2597 --disable-static in addition to --enable-shared.
2598 EOF
2599 exit 1;
2600 fi
2601
2602 die_license_disabled() {
2603 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2604 }
2605
2606 die_license_disabled gpl libcdio
2607 die_license_disabled gpl libx264
2608 die_license_disabled gpl libxavs
2609 die_license_disabled gpl libxvid
2610 die_license_disabled gpl x11grab
2611
2612 die_license_disabled nonfree libfaac
2613 die_license_disabled nonfree openssl
2614
2615 die_license_disabled version3 libopencore_amrnb
2616 die_license_disabled version3 libopencore_amrwb
2617 die_license_disabled version3 libvo_aacenc
2618 die_license_disabled version3 libvo_amrwbenc
2619
2620 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2621
2622 disabled optimizations || check_cflags -fomit-frame-pointer
2623
2624 enable_pic() {
2625 enable pic
2626 add_cppflags -DPIC
2627 add_cflags -fPIC
2628 add_asflags -fPIC
2629 }
2630
2631 enabled pic && enable_pic
2632
2633 check_cc <<EOF || die "Symbol mangling check failed."
2634 int ff_extern;
2635 EOF
2636 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2637 extern_prefix=${sym%%ff_extern*}
2638
2639 check_cc <<EOF && enable inline_asm
2640 void foo(void) { __asm__ volatile ("" ::); }
2641 EOF
2642
2643 _restrict=
2644 for restrict_keyword in restrict __restrict__ __restrict; do
2645 check_cc <<EOF && _restrict=$restrict_keyword && break
2646 void foo(char * $restrict_keyword p);
2647 EOF
2648 done
2649
2650 check_cc <<EOF && enable attribute_packed
2651 struct { int x; } __attribute__((packed)) x;
2652 EOF
2653
2654 check_cc <<EOF && enable attribute_may_alias
2655 union { int x; } __attribute__((may_alias)) x;
2656 EOF
2657
2658 check_cc <<EOF || die "endian test failed"
2659 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2660 EOF
2661 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2662
2663 if enabled alpha; then
2664
2665 check_cflags -mieee
2666
2667 elif enabled arm; then
2668
2669 enabled thumb && check_cflags -mthumb || check_cflags -marm
2670 nogas=die
2671
2672 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2673 enable vfp_args
2674 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2675 case "${cross_prefix:-$cc}" in
2676 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2677 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2678 __asm__ (".eabi_attribute 28, 1");
2679 int main(void) { return 0; }
2680 EOF
2681 esac
2682 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2683 fi
2684
2685 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2686 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2687 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2688 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2689 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2690 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2691
2692 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2693
2694 enabled_all armv6t2 shared !pic && enable_pic
2695
2696 elif enabled mips; then
2697
2698 check_asm loongson '"dmult.g $1, $2, $3"'
2699 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2700
2701 elif enabled ppc; then
2702
2703 enable local_aligned_8 local_aligned_16
2704
2705 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2706 check_asm ibm_asm '"add 0, 0, 0"'
2707 check_asm ppc4xx '"maclhw r10, r11, r12"'
2708 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2709
2710 # AltiVec flags: The FSF version of GCC differs from the Apple version
2711 if enabled altivec; then
2712 nogas=warn
2713 check_cflags -maltivec -mabi=altivec &&
2714 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2715 check_cflags -faltivec
2716
2717 # check if our compiler supports Motorola AltiVec C API
2718 check_cc <<EOF || disable altivec
2719 $inc_altivec_h
2720 int main(void) {
2721 vector signed int v1, v2, v3;
2722 v1 = vec_add(v2,v3);
2723 return 0;
2724 }
2725 EOF
2726
2727 # check if our compiler supports braces for vector declarations
2728 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2729 $inc_altivec_h
2730 int main (void) { (vector int) {1}; return 0; }
2731 EOF
2732 fi
2733
2734 elif enabled sparc; then
2735
2736 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2737 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2738
2739 elif enabled x86; then
2740
2741 enable local_aligned_8 local_aligned_16
2742
2743 # check whether EBP is available on x86
2744 # As 'i' is stored on the stack, this program will crash
2745 # if the base pointer is used to access it because the
2746 # base pointer is cleared in the inline assembly code.
2747 check_exec_crash <<EOF && enable ebp_available
2748 volatile int i=0;
2749 __asm__ volatile (
2750 "xorl %%ebp, %%ebp"
2751 ::: "%ebp");
2752 return i;
2753 EOF
2754
2755 # check whether EBX is available on x86
2756 check_asm ebx_available '""::"b"(0)' &&
2757 check_asm ebx_available '"":::"%ebx"'
2758
2759 # check whether xmm clobbers are supported
2760 check_asm xmm_clobbers '"":::"%xmm0"'
2761
2762 # check whether binutils is new enough to compile SSSE3/MMX2
2763 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2764 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2765
2766 if ! disabled_any asm mmx yasm; then
2767 if check_cmd $yasmexe --version; then
2768 enabled x86_64 && yasm_extra="-m amd64"
2769 yasm_debug="-g dwarf2"
2770 elif check_cmd nasm -v; then
2771 yasmexe=nasm
2772 yasm_debug="-g -F dwarf"
2773 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2774 fi
2775
2776 YASMFLAGS="-f $objformat $yasm_extra"
2777 enabled pic && append YASMFLAGS "-DPIC"
2778 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2779 case "$objformat" in
2780 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2781 esac
2782
2783 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2784 die "yasm not found, use --disable-yasm for a crippled build"
2785 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2786 fi
2787
2788 case "$cpu" in
2789 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2790 disable fast_clz
2791 ;;
2792 esac
2793
2794 fi
2795
2796 if enabled asm; then
2797 as=${gas:=$as}
2798 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2799 $nogas "GNU assembler not found, install gas-preprocessor"
2800 fi
2801
2802 check_ldflags -Wl,--as-needed
2803
2804 if check_func dlopen; then
2805 ldl=
2806 elif check_func dlopen -ldl; then
2807 ldl=-ldl
2808 fi
2809
2810 if enabled network; then
2811 check_type "sys/types.h sys/socket.h" socklen_t
2812 check_type netdb.h "struct addrinfo"
2813 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2814 check_type netinet/in.h "struct sockaddr_in6"
2815 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2816 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2817 check_header netinet/sctp.h
2818 # Prefer arpa/inet.h over winsock2
2819 if check_header arpa/inet.h ; then
2820 check_func closesocket
2821 elif check_header winsock2.h ; then
2822 check_func_headers winsock2.h closesocket -lws2 && \
2823 network_extralibs="-lws2" || \
2824 { check_func_headers winsock2.h closesocket -lws2_32 && \
2825 network_extralibs="-lws2_32"; }
2826 check_type ws2tcpip.h socklen_t
2827 check_type ws2tcpip.h "struct addrinfo"
2828 check_type ws2tcpip.h "struct ipv6_mreq"
2829 check_type ws2tcpip.h "struct sockaddr_in6"
2830 check_type ws2tcpip.h "struct sockaddr_storage"
2831 check_struct winsock2.h "struct sockaddr" sa_len
2832 else
2833 disable network
2834 fi
2835 fi
2836
2837 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2838 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2839
2840 check_func fcntl
2841 check_func fork
2842 check_func getaddrinfo $network_extralibs
2843 check_func gethrtime
2844 check_func getrusage
2845 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2846 check_func gettimeofday
2847 check_func inet_aton $network_extralibs
2848 check_func isatty
2849 check_func localtime_r
2850 check_func ${malloc_prefix}memalign && enable memalign
2851 check_func mkstemp
2852 check_func mmap
2853 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2854 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
2855 check_func setrlimit
2856 check_func strerror_r
2857 check_func strptime
2858 check_func strtok_r
2859 check_func sched_getaffinity
2860 check_func sysconf
2861 check_func sysctl
2862 check_func usleep
2863 check_func_headers io.h setmode
2864 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2865 check_func_headers windows.h GetProcessAffinityMask
2866 check_func_headers windows.h GetProcessTimes
2867 check_func_headers windows.h GetSystemTimeAsFileTime
2868 check_func_headers windows.h MapViewOfFile
2869 check_func_headers windows.h Sleep
2870 check_func_headers windows.h VirtualAlloc
2871
2872 check_header dlfcn.h
2873 check_header dxva2api.h
2874 check_header malloc.h
2875 check_header poll.h
2876 check_header sys/mman.h
2877 check_header sys/param.h
2878 check_header sys/resource.h
2879 check_header sys/select.h
2880 check_header sys/time.h
2881 check_header unistd.h
2882 check_header vdpau/vdpau.h
2883 check_header vdpau/vdpau_x11.h
2884 check_header windows.h
2885 check_header X11/extensions/XvMClib.h
2886
2887 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2888 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2889
2890 if ! disabled w32threads && ! enabled pthreads; then
2891 check_func _beginthreadex && enable w32threads
2892 fi
2893
2894 # check for some common methods of building with pthread support
2895 # do this before the optional library checks as some of them require pthreads
2896 if ! disabled pthreads && ! enabled w32threads; then
2897 enable pthreads
2898 if check_func pthread_create; then
2899 :
2900 elif check_func pthread_create -pthread; then
2901 add_cflags -pthread
2902 add_extralibs -pthread
2903 elif check_func pthread_create -pthreads; then
2904 add_cflags -pthreads
2905 add_extralibs -pthreads
2906 elif check_func pthread_create -lpthreadGC2; then
2907 add_extralibs -lpthreadGC2
2908 elif ! check_lib pthread.h pthread_create -lpthread; then
2909 disable pthreads
2910 fi
2911 fi
2912
2913 for thread in $THREADS_LIST; do
2914 if enabled $thread; then
2915 test -n "$thread_type" &&
2916 die "ERROR: Only one thread type must be selected." ||
2917 thread_type="$thread"
2918 fi
2919 done
2920
2921 check_lib math.h sin -lm && LIBM="-lm"
2922 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2923
2924 check_mathfunc cbrtf
2925 check_mathfunc exp2
2926 check_mathfunc exp2f
2927 check_mathfunc isinf
2928 check_mathfunc isnan
2929 check_mathfunc llrint
2930 check_mathfunc llrintf
2931 check_mathfunc log2
2932 check_mathfunc log2f
2933 check_mathfunc lrint
2934 check_mathfunc lrintf
2935 check_mathfunc round
2936 check_mathfunc roundf
2937 check_mathfunc trunc
2938 check_mathfunc truncf
2939
2940 # these are off by default, so fail if requested and not available
2941 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2942 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2943 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2944 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2945 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2946 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2947 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
2948 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2949 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2950 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2951 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2952 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2953 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2954 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2955 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2956 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2957 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2958 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2959 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2960 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2961 enabled libvpx && {
2962 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2963 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2964 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2965 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2966 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2967 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2968 die "ERROR: libx264 version must be >= 0.118."; }
2969 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2970 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2971 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2972 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2973 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2974 die "ERROR: openssl not found"; }
2975
2976 # libdc1394 check
2977 if enabled libdc1394; then
2978 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2979 enable libdc1394_2; } ||
2980 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2981 enable libdc1394_1; } ||
2982 die "ERROR: No version of libdc1394 found "
2983 fi
2984
2985 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2986 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2987 enable sdl &&
2988 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2989 fi
2990
2991 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2992
2993 check_header linux/fb.h
2994 check_header linux/videodev2.h
2995 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2996
2997 check_header sys/videoio.h
2998
2999 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3000 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3001 # w32api 3.12 had it defined wrong
3002 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3003
3004 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3005 { check_header dev/bktr/ioctl_meteor.h &&
3006 check_header dev/bktr/ioctl_bt848.h; } ||
3007 { check_header machine/ioctl_meteor.h &&
3008 check_header machine/ioctl_bt848.h; } ||
3009 { check_header dev/video/meteor/ioctl_meteor.h &&
3010 check_header dev/video/bktr/ioctl_bt848.h; } ||
3011 check_header dev/ic/bt8xx.h
3012
3013 check_header sndio.h
3014 check_header sys/soundcard.h
3015 check_header soundcard.h
3016
3017 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3018
3019 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3020 check_func jack_port_get_latency_range -ljack
3021
3022 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3023
3024 enabled libcdio &&
3025 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3026
3027 enabled x11grab &&
3028 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3029 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3030 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3031
3032 # check for VDA header
3033 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3034 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3035 fi
3036
3037 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3038 check_cpp_condition \
3039 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3040 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3041 disable vdpau; }
3042 fi
3043
3044 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3045
3046 # add some useful compiler flags if supported
3047 check_cflags -Wdeclaration-after-statement
3048 check_cflags -Wall
3049 check_cflags -Wno-parentheses
3050 check_cflags -Wno-switch
3051 check_cflags -Wno-format-zero-length
3052 check_cflags -Wdisabled-optimization
3053 check_cflags -Wpointer-arith
3054 check_cflags -Wredundant-decls
3055 check_cflags -Wno-pointer-sign
3056 check_cflags -Wcast-qual
3057 check_cflags -Wwrite-strings
3058 check_cflags -Wtype-limits
3059 check_cflags -Wundef
3060 check_cflags -Wmissing-prototypes
3061 check_cflags -Wstrict-prototypes
3062 enabled extra_warnings && check_cflags -Winline
3063
3064 # add some linker flags
3065 check_ldflags -Wl,--warn-common
3066 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3067 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3068
3069 enabled xmm_clobber_test && \
3070 check_ldflags -Wl,--wrap,avcodec_open2 \
3071 -Wl,--wrap,avcodec_decode_audio4 \
3072 -Wl,--wrap,avcodec_decode_video2 \
3073 -Wl,--wrap,avcodec_decode_subtitle2 \
3074 -Wl,--wrap,avcodec_encode_audio2 \
3075 -Wl,--wrap,avcodec_encode_video \
3076 -Wl,--wrap,avcodec_encode_subtitle \
3077 -Wl,--wrap,sws_scale || \
3078 disable xmm_clobber_test
3079
3080 echo "X{};" > $TMPV
3081 if test_ldflags -Wl,--version-script,$TMPV; then
3082 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3083 check_cc <<EOF && enable symver_asm_label
3084 void ff_foo(void) __asm__ ("av_foo@VERSION");
3085 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3086 EOF
3087 check_cc <<EOF && enable symver_gnu_asm
3088 __asm__(".symver ff_foo,av_foo@VERSION");
3089 void ff_foo(void) {}
3090 EOF
3091 fi
3092
3093 if [ -n "$optflags" ]; then
3094 add_cflags $optflags
3095 elif enabled small; then
3096 add_cflags $size_cflags
3097 elif enabled optimizations; then
3098 add_cflags $speed_cflags
3099 else
3100 add_cflags $noopt_cflags
3101 fi
3102 check_cflags -fno-math-errno
3103 check_cflags -fno-signed-zeros
3104
3105 if enabled icc; then
3106 # Just warnings, no remarks
3107 check_cflags -w1
3108 # -wd: Disable following warnings
3109 # 144, 167, 556: -Wno-pointer-sign
3110 # 1292: attribute "foo" ignored
3111 # 1419: external declaration in primary source file
3112 # 10006: ignoring unknown option -fno-signed-zeros
3113 # 10148: ignoring unknown option -Wno-parentheses
3114 # 10156: ignoring option '-W'; no argument required
3115 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3116 # 11030: Warning unknown option --as-needed
3117 # 10156: ignoring option '-export'; no argument required
3118 check_ldflags -wd10156,11030
3119 # Allow to compile with optimizations
3120 check_ldflags -march=$cpu
3121 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3122 enable ebp_available
3123 if enabled x86_32; then
3124 test ${icc_version%%.*} -ge 11 && \
3125 check_cflags -falign-stack=maintain-16-byte || \
3126 disable aligned_stack
3127 fi
3128 elif enabled ccc; then
3129 # disable some annoying warnings
3130 add_cflags -msg_disable cvtu32to64
3131 add_cflags -msg_disable embedcomment
3132 add_cflags -msg_disable needconstext
3133 add_cflags -msg_disable nomainieee
3134 add_cflags -msg_disable ptrmismatch1
3135 add_cflags -msg_disable unreachcode
3136 elif enabled gcc; then
3137 check_cflags -fno-tree-vectorize
3138 check_cflags -Werror=implicit-function-declaration
3139 check_cflags -Werror=missing-prototypes
3140 check_cflags -Werror=declaration-after-statement
3141 elif enabled llvm_gcc; then
3142 check_cflags -mllvm -stack-alignment=16
3143 elif enabled clang; then
3144 check_cflags -mllvm -stack-alignment=16
3145 check_cflags -Qunused-arguments
3146 elif enabled armcc; then
3147 # 2523: use of inline assembler is deprecated
3148 add_cflags -W${armcc_opt},--diag_suppress=2523
3149 add_cflags -W${armcc_opt},--diag_suppress=1207
3150 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3151 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3152 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3153 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3154 elif enabled tms470; then
3155 add_cflags -pds=824 -pds=837
3156 elif enabled pathscale; then
3157 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3158 fi
3159
3160 enabled_any $THREADS_LIST && enable threads
3161
3162 check_deps $CONFIG_LIST \
3163 $CONFIG_EXTRA \
3164 $HAVE_LIST \
3165 $ALL_COMPONENTS \
3166 $ALL_TESTS \
3167
3168 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3169
3170 ! enabled_any memalign posix_memalign aligned_malloc &&
3171 enabled_any $need_memalign && enable memalign_hack
3172
3173 echo "install prefix $prefix"
3174 echo "source path $source_path"
3175 echo "C compiler $cc"
3176 echo "ARCH $arch ($cpu)"
3177 if test "$build_suffix" != ""; then
3178 echo "build suffix $build_suffix"
3179 fi
3180 if test "$extra_version" != ""; then
3181 echo "version string suffix $extra_version"
3182 fi
3183 echo "big-endian ${bigendian-no}"
3184 echo "runtime cpu detection ${runtime_cpudetect-no}"
3185 if enabled x86; then
3186 echo "${yasmexe} ${yasm-no}"
3187 echo "MMX enabled ${mmx-no}"
3188 echo "MMX2 enabled ${mmx2-no}"
3189 echo "3DNow! enabled ${amd3dnow-no}"
3190 echo "3DNow! extended enabled ${amd3dnowext-no}"
3191 echo "SSE enabled ${sse-no}"
3192 echo "SSSE3 enabled ${ssse3-no}"
3193 echo "AVX enabled ${avx-no}"
3194 echo "CMOV enabled ${cmov-no}"
3195 echo "CMOV is fast ${fast_cmov-no}"
3196 echo "EBX available ${ebx_available-no}"
3197 echo "EBP available ${ebp_available-no}"
3198 fi
3199 if enabled arm; then
3200 echo "ARMv5TE enabled ${armv5te-no}"
3201 echo "ARMv6 enabled ${armv6-no}"
3202 echo "ARMv6T2 enabled ${armv6t2-no}"
3203 echo "ARM VFP enabled ${armvfp-no}"
3204 echo "NEON enabled ${neon-no}"
3205 fi
3206 if enabled mips; then
3207 echo "MMI enabled ${mmi-no}"
3208 fi
3209 if enabled ppc; then
3210 echo "AltiVec enabled ${altivec-no}"
3211 echo "PPC 4xx optimizations ${ppc4xx-no}"
3212 echo "dcbzl available ${dcbzl-no}"
3213 fi
3214 if enabled sparc; then
3215 echo "VIS enabled ${vis-no}"
3216 fi
3217 echo "debug symbols ${debug-no}"
3218 echo "optimize for size ${small-no}"
3219 echo "optimizations ${optimizations-no}"
3220 echo "static ${static-no}"
3221 echo "shared ${shared-no}"
3222 echo "new filter support ${avfilter-no}"
3223 echo "network support ${network-no}"
3224 echo "threading support ${thread_type-no}"
3225 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3226 echo "SDL support ${sdl-no}"
3227 echo "libdxva2 enabled ${dxva2-no}"
3228 echo "libva enabled ${vaapi-no}"
3229 echo "libvdpau enabled ${vdpau-no}"
3230 echo "AVISynth enabled ${avisynth-no}"
3231 echo "frei0r enabled ${frei0r-no}"
3232 echo "gnutls enabled ${gnutls-no}"
3233 echo "libcdio support ${libcdio-no}"
3234 echo "libdc1394 support ${libdc1394-no}"
3235 echo "libfaac enabled ${libfaac-no}"
3236 echo "libgsm enabled ${libgsm-no}"
3237 echo "libilbc enabled ${libilbc-no}"
3238 echo "libmp3lame enabled ${libmp3lame-no}"
3239 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3240 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3241 echo "libopencv support ${libopencv-no}"
3242 echo "libopenjpeg enabled ${libopenjpeg-no}"
3243 echo "libpulse enabled ${libpulse-no}"
3244 echo "librtmp enabled ${librtmp-no}"
3245 echo "libschroedinger enabled ${libschroedinger-no}"
3246 echo "libspeex enabled ${libspeex-no}"
3247 echo "libtheora enabled ${libtheora-no}"
3248 echo "libvo-aacenc support ${libvo_aacenc-no}"
3249 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3250 echo "libvorbis enabled ${libvorbis-no}"
3251 echo "libvpx enabled ${libvpx-no}"
3252 echo "libx264 enabled ${libx264-no}"
3253 echo "libxavs enabled ${libxavs-no}"
3254 echo "libxvid enabled ${libxvid-no}"
3255 echo "openssl enabled ${openssl-no}"
3256 echo "zlib enabled ${zlib-no}"
3257 echo "bzlib enabled ${bzlib-no}"
3258 echo
3259
3260 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3261 echo "Enabled ${type}s:"
3262 eval list=\$$(toupper $type)_LIST
3263 print_enabled '_*' $list | sort | pr -r -3 -t
3264 echo
3265 done
3266
3267 license="LGPL version 2.1 or later"
3268 if enabled nonfree; then
3269 license="nonfree and unredistributable"
3270 elif enabled gplv3; then
3271 license="GPL version 3 or later"
3272 elif enabled lgplv3; then
3273 license="LGPL version 3 or later"
3274 elif enabled gpl; then
3275 license="GPL version 2 or later"
3276 fi
3277
3278 echo "License: $license"
3279
3280 echo "Creating config.mak and config.h..."
3281
3282 test -e Makefile || $ln_s "$source_path/Makefile" .
3283
3284 config_files="$TMPH config.mak"
3285
3286 cat > config.mak <<EOF
3287 # Automatically generated by configure - do not modify!
3288 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3289 prefix=$prefix
3290 LIBDIR=\$(DESTDIR)$libdir
3291 SHLIBDIR=\$(DESTDIR)$shlibdir
3292 INCDIR=\$(DESTDIR)$incdir
3293 BINDIR=\$(DESTDIR)$bindir
3294 DATADIR=\$(DESTDIR)$datadir
3295 MANDIR=\$(DESTDIR)$mandir
3296 SRC_PATH=$source_path
3297 CC_IDENT=$cc_ident
3298 ARCH=$arch
3299 CC=$cc
3300 AS=$as
3301 LD=$ld
3302 DEPCC=$dep_cc
3303 YASM=$yasmexe
3304 YASMDEP=$yasmexe
3305 AR=$ar
3306 RANLIB=$ranlib
3307 LN_S=$ln_s
3308 CPPFLAGS=$CPPFLAGS
3309 CFLAGS=$CFLAGS
3310 ASFLAGS=$ASFLAGS
3311 AS_O=$CC_O
3312 CC_O=$CC_O
3313 DLLTOOL=$dlltool
3314 LDFLAGS=$LDFLAGS
3315 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3316 SHFLAGS=$SHFLAGS
3317 YASMFLAGS=$YASMFLAGS
3318 BUILDSUF=$build_suffix
3319 FULLNAME=$FULLNAME
3320 LIBPREF=$LIBPREF
3321 LIBSUF=$LIBSUF
3322 LIBNAME=$LIBNAME
3323 SLIBPREF=$SLIBPREF
3324 SLIBSUF=$SLIBSUF
3325 EXESUF=$EXESUF
3326 EXTRA_VERSION=$extra_version
3327 DEPFLAGS=$DEPFLAGS
3328 CCDEP=$CCDEP
3329 ASDEP=$ASDEP
3330 CC_DEPFLAGS=$CC_DEPFLAGS
3331 AS_DEPFLAGS=$AS_DEPFLAGS
3332 HOSTCC=$host_cc
3333 HOSTCFLAGS=$host_cflags
3334 HOSTEXESUF=$HOSTEXESUF
3335 HOSTLDFLAGS=$host_ldflags
3336 HOSTLIBS=$host_libs
3337 TARGET_EXEC=$target_exec
3338 TARGET_PATH=$target_path
3339 SDL_LIBS=$sdl_libs
3340 SDL_CFLAGS=$sdl_cflags
3341 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3342 EXTRALIBS=$extralibs
3343 INSTALL=install
3344 LIBTARGET=${LIBTARGET}
3345 SLIBNAME=${SLIBNAME}
3346 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3347 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3348 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3349 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3350 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3351 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3352 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3353 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3354 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3355 EOF
3356
3357 get_version(){
3358 name=$1
3359 file=$source_path/$2
3360 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3361 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3362 lcname=$(tolower $name)
3363 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3364 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3365 }
3366
3367 get_version LIBAVCODEC libavcodec/version.h
3368 get_version LIBAVDEVICE libavdevice/avdevice.h
3369 get_version LIBAVFILTER libavfilter/version.h
3370 get_version LIBAVFORMAT libavformat/version.h
3371 get_version LIBAVRESAMPLE libavresample/version.h
3372 get_version LIBAVUTIL libavutil/avutil.h
3373 get_version LIBSWSCALE libswscale/swscale.h
3374
3375 cat > $TMPH <<EOF
3376 /* Automatically generated by configure - do not modify! */
3377 #ifndef LIBAV_CONFIG_H
3378 #define LIBAV_CONFIG_H
3379 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3380 #define LIBAV_LICENSE "$(c_escape $license)"
3381 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3382 #define CC_TYPE "$cc_type"
3383 #define CC_VERSION $cc_version
3384 #define restrict $_restrict
3385 #define EXTERN_PREFIX "${extern_prefix}"
3386 #define EXTERN_ASM ${extern_prefix}
3387 #define SLIBSUF "$SLIBSUF"
3388 EOF
3389
3390 test -n "$malloc_prefix" &&
3391 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3392
3393 if enabled small || disabled optimizations; then
3394 echo "#undef av_always_inline" >> $TMPH
3395 if enabled small; then
3396 echo "#define av_always_inline inline" >> $TMPH
3397 else
3398 echo "#define av_always_inline av_unused" >> $TMPH
3399 fi
3400 fi
3401
3402 if enabled yasm; then
3403 append config_files $TMPASM
3404 printf '' >$TMPASM
3405 fi
3406
3407 print_config ARCH_ "$config_files" $ARCH_LIST
3408 print_config HAVE_ "$config_files" $HAVE_LIST
3409 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3410 $CONFIG_EXTRA \
3411 $ALL_COMPONENTS \
3412
3413 cat >>config.mak <<EOF
3414 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3415 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3416 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3417 EOF
3418
3419 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3420
3421 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3422 cp_if_changed $TMPH config.h
3423 touch .config
3424
3425 enabled yasm && cp_if_changed $TMPASM config.asm
3426
3427 cat > $TMPH <<EOF
3428 /* Generated by ffconf */
3429 #ifndef AVUTIL_AVCONFIG_H
3430 #define AVUTIL_AVCONFIG_H
3431 EOF
3432
3433 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3434
3435 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3436
3437 cp_if_changed $TMPH libavutil/avconfig.h
3438
3439 test -n "$WARNINGS" && printf "\n$WARNINGS"
3440
3441 # build pkg-config files
3442
3443 pkgconfig_generate(){
3444 name=$1
3445 shortname=${name#lib}${build_suffix}
3446 comment=$2
3447 version=$3
3448 libs=$4
3449 requires=$5
3450 enabled ${name#lib} || return 0
3451 mkdir -p $name
3452 cat <<EOF > $name/$name.pc
3453 prefix=$prefix
3454 exec_prefix=\${prefix}
3455 libdir=$libdir
3456 includedir=$incdir
3457
3458 Name: $name
3459 Description: $comment
3460 Version: $version
3461 Requires: $(enabled shared || echo $requires)
3462 Requires.private: $(enabled shared && echo $requires)
3463 Conflicts:
3464 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3465 Libs.private: $(enabled shared && echo $libs)
3466 Cflags: -I\${includedir}
3467 EOF
3468 cat <<EOF > $name/$name-uninstalled.pc
3469 prefix=
3470 exec_prefix=
3471 libdir=\${pcfiledir}
3472 includedir=${source_path}
3473
3474 Name: $name
3475 Description: $comment
3476 Version: $version
3477 Requires: $requires
3478 Conflicts:
3479 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3480 Cflags: -I\${includedir}
3481 EOF
3482 }
3483
3484 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3485 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3486 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3487 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3488 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3489 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3490 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"