libm: provide fallback definition for cbrtf() using powf()
[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 jack_port_get_latency_range
1097 ldbrx
1098 libdc1394_1
1099 libdc1394_2
1100 llrint
1101 llrintf
1102 local_aligned_16
1103 local_aligned_8
1104 localtime_r
1105 log2
1106 log2f
1107 loongson
1108 lrint
1109 lrintf
1110 machine_ioctl_bt848_h
1111 machine_ioctl_meteor_h
1112 malloc_h
1113 MapViewOfFile
1114 memalign
1115 mkstemp
1116 mmap
1117 nanosleep
1118 netinet_sctp_h
1119 poll_h
1120 posix_memalign
1121 round
1122 roundf
1123 sched_getaffinity
1124 sdl
1125 sdl_video_size
1126 setmode
1127 setrlimit
1128 Sleep
1129 sndio_h
1130 socklen_t
1131 soundcard_h
1132 strerror_r
1133 strptime
1134 strtok_r
1135 struct_addrinfo
1136 struct_ipv6_mreq
1137 struct_rusage_ru_maxrss
1138 struct_sockaddr_in6
1139 struct_sockaddr_sa_len
1140 struct_sockaddr_storage
1141 struct_v4l2_frmivalenum_discrete
1142 symver
1143 symver_asm_label
1144 symver_gnu_asm
1145 sysconf
1146 sysctl
1147 sys_mman_h
1148 sys_param_h
1149 sys_resource_h
1150 sys_select_h
1151 sys_soundcard_h
1152 sys_time_h
1153 sys_videoio_h
1154 threads
1155 trunc
1156 truncf
1157 unistd_h
1158 usleep
1159 vfp_args
1160 VirtualAlloc
1161 windows_h
1162 winsock2_h
1163 xform_asm
1164 xmm_clobbers
1165 yasm
1166 "
1167
1168 # options emitted with CONFIG_ prefix but not available on command line
1169 CONFIG_EXTRA="
1170 aandct
1171 avutil
1172 golomb
1173 gplv3
1174 h264chroma
1175 h264dsp
1176 h264pred
1177 h264qpel
1178 huffman
1179 lgplv3
1180 lpc
1181 "
1182
1183 CMDLINE_SELECT="
1184 $ARCH_EXT_LIST
1185 $CONFIG_LIST
1186 $THREADS_LIST
1187 asm
1188 cross_compile
1189 debug
1190 extra_warnings
1191 logging
1192 optimizations
1193 symver
1194 yasm
1195 "
1196
1197 PATHS_LIST='
1198 bindir
1199 datadir
1200 incdir
1201 libdir
1202 mandir
1203 prefix
1204 shlibdir
1205 '
1206
1207 CMDLINE_SET="
1208 $PATHS_LIST
1209 ar
1210 arch
1211 as
1212 build_suffix
1213 cc
1214 cpu
1215 cross_prefix
1216 dep_cc
1217 extra_version
1218 host_cc
1219 host_cflags
1220 host_ldflags
1221 host_libs
1222 host_os
1223 ld
1224 logfile
1225 malloc_prefix
1226 nm
1227 optflags
1228 pkg_config
1229 samples
1230 sysinclude
1231 sysroot
1232 target_exec
1233 target_os
1234 target_path
1235 "
1236
1237 CMDLINE_APPEND="
1238 extra_cflags
1239 "
1240
1241 # code dependency declarations
1242
1243 # architecture extensions
1244
1245 armv5te_deps="arm"
1246 armv6_deps="arm"
1247 armv6t2_deps="arm"
1248 armvfp_deps="arm"
1249 neon_deps="arm"
1250 vfpv3_deps="armvfp"
1251
1252 mmi_deps="mips"
1253
1254 altivec_deps="ppc"
1255 ppc4xx_deps="ppc"
1256
1257 vis_deps="sparc"
1258
1259 x86_64_suggest="cmov fast_cmov"
1260 amd3dnow_deps="mmx"
1261 amd3dnowext_deps="amd3dnow"
1262 mmx_deps="x86"
1263 mmx2_deps="mmx"
1264 sse_deps="mmx"
1265 ssse3_deps="sse"
1266 avx_deps="ssse3"
1267
1268 aligned_stack_if_any="ppc x86"
1269 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1270 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1271 fast_unaligned_if_any="armv6 ppc x86"
1272
1273 inline_asm_deps="!tms470"
1274 need_memalign="altivec neon sse"
1275
1276 symver_if_any="symver_asm_label symver_gnu_asm"
1277
1278 # subsystems
1279 dct_select="rdft"
1280 mdct_select="fft"
1281 rdft_select="fft"
1282 mpegaudiodsp_select="dct"
1283
1284 # decoders / encoders / hardware accelerators
1285 aac_decoder_select="mdct sinewin"
1286 aac_encoder_select="mdct sinewin"
1287 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1288 ac3_decoder_select="mdct ac3dsp ac3_parser"
1289 ac3_encoder_select="mdct ac3dsp"
1290 ac3_fixed_encoder_select="mdct ac3dsp"
1291 alac_encoder_select="lpc"
1292 amrnb_decoder_select="lsp"
1293 amrwb_decoder_select="lsp"
1294 atrac1_decoder_select="mdct sinewin"
1295 atrac3_decoder_select="mdct"
1296 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1297 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1298 cavs_decoder_select="golomb"
1299 cook_decoder_select="mdct sinewin"
1300 cscd_decoder_suggest="zlib"
1301 dca_decoder_select="mdct"
1302 dnxhd_encoder_select="aandct"
1303 dxa_decoder_select="zlib"
1304 eac3_decoder_select="ac3_decoder"
1305 eac3_encoder_select="mdct ac3dsp"
1306 eamad_decoder_select="aandct"
1307 eatgq_decoder_select="aandct"
1308 eatqi_decoder_select="aandct"
1309 ffv1_decoder_select="golomb"
1310 flac_decoder_select="golomb"
1311 flac_encoder_select="golomb lpc"
1312 flashsv_decoder_select="zlib"
1313 flashsv_encoder_select="zlib"
1314 flashsv2_decoder_select="zlib"
1315 flv_decoder_select="h263_decoder"
1316 flv_encoder_select="h263_encoder"
1317 fraps_decoder_select="huffman"
1318 h261_encoder_select="aandct"
1319 h263_decoder_select="h263_parser"
1320 h263_encoder_select="aandct"
1321 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1322 h263i_decoder_select="h263_decoder"
1323 h263p_encoder_select="h263_encoder"
1324 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1325 h264_dxva2_hwaccel_deps="dxva2api_h"
1326 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1327 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1328 h264_vda_hwaccel_select="vda h264_decoder"
1329 h264_vdpau_decoder_select="vdpau h264_decoder"
1330 iac_decoder_select="fft mdct sinewin"
1331 imc_decoder_select="fft mdct sinewin"
1332 jpegls_decoder_select="golomb"
1333 jpegls_encoder_select="golomb"
1334 ljpeg_encoder_select="aandct"
1335 loco_decoder_select="golomb"
1336 mjpeg_encoder_select="aandct"
1337 mlp_decoder_select="mlp_parser"
1338 mp1_decoder_select="mpegaudiodsp"
1339 mp1float_decoder_select="mpegaudiodsp"
1340 mp2_decoder_select="mpegaudiodsp"
1341 mp2float_decoder_select="mpegaudiodsp"
1342 mp3_decoder_select="mpegaudiodsp"
1343 mp3adu_decoder_select="mpegaudiodsp"
1344 mp3adufloat_decoder_select="mpegaudiodsp"
1345 mp3float_decoder_select="mpegaudiodsp"
1346 mp3on4_decoder_select="mpegaudiodsp"
1347 mp3on4float_decoder_select="mpegaudiodsp"
1348 mpc7_decoder_select="mpegaudiodsp"
1349 mpc8_decoder_select="mpegaudiodsp"
1350 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1351 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1352 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1353 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1354 mpeg1video_encoder_select="aandct"
1355 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1356 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1357 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1358 mpeg2video_encoder_select="aandct"
1359 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1360 mpeg4_encoder_select="h263_encoder"
1361 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1362 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1363 msmpeg4v1_decoder_select="h263_decoder"
1364 msmpeg4v1_encoder_select="h263_encoder"
1365 msmpeg4v2_decoder_select="h263_decoder"
1366 msmpeg4v2_encoder_select="h263_encoder"
1367 msmpeg4v3_decoder_select="h263_decoder"
1368 msmpeg4v3_encoder_select="h263_encoder"
1369 nellymoser_decoder_select="mdct sinewin"
1370 nellymoser_encoder_select="mdct sinewin"
1371 png_decoder_select="zlib"
1372 png_encoder_select="zlib"
1373 qcelp_decoder_select="lsp"
1374 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1375 ra_144_encoder_select="lpc"
1376 ralf_decoder_select="golomb"
1377 rv10_decoder_select="h263_decoder"
1378 rv10_encoder_select="h263_encoder"
1379 rv20_decoder_select="h263_decoder"
1380 rv20_encoder_select="h263_encoder"
1381 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1382 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1383 shorten_decoder_select="golomb"
1384 sipr_decoder_select="lsp"
1385 snow_decoder_select="dwt"
1386 snow_encoder_select="aandct dwt"
1387 svq1_encoder_select="aandct"
1388 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1389 svq3_decoder_suggest="zlib"
1390 theora_decoder_select="vp3_decoder"
1391 tiff_decoder_suggest="zlib"
1392 tiff_encoder_suggest="zlib"
1393 truehd_decoder_select="mlp_decoder"
1394 tscc_decoder_select="zlib"
1395 twinvq_decoder_select="mdct lsp sinewin"
1396 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1397 vc1_dxva2_hwaccel_deps="dxva2api_h"
1398 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1399 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1400 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1401 vc1image_decoder_select="vc1_decoder"
1402 vorbis_decoder_select="mdct"
1403 vorbis_encoder_select="mdct"
1404 vp6_decoder_select="huffman"
1405 vp6a_decoder_select="vp6_decoder"
1406 vp6f_decoder_select="vp6_decoder"
1407 vp8_decoder_select="h264pred h264qpel"
1408 wmapro_decoder_select="mdct sinewin"
1409 wmav1_decoder_select="mdct sinewin"
1410 wmav1_encoder_select="mdct sinewin"
1411 wmav2_decoder_select="mdct sinewin"
1412 wmav2_encoder_select="mdct sinewin"
1413 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1414 wmv1_decoder_select="h263_decoder"
1415 wmv1_encoder_select="h263_encoder"
1416 wmv2_decoder_select="h263_decoder"
1417 wmv2_encoder_select="h263_encoder"
1418 wmv3_decoder_select="vc1_decoder"
1419 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1420 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1421 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1422 wmv3image_decoder_select="wmv3_decoder"
1423 zerocodec_decoder_select="zlib"
1424 zlib_decoder_select="zlib"
1425 zlib_encoder_select="zlib"
1426 zmbv_decoder_select="zlib"
1427 zmbv_encoder_select="zlib"
1428
1429 vaapi_deps="va_va_h"
1430 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1431 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1432
1433 # parsers
1434 h264_parser_select="golomb h264dsp h264pred"
1435
1436 # external libraries
1437 libfaac_encoder_deps="libfaac"
1438 libgsm_decoder_deps="libgsm"
1439 libgsm_encoder_deps="libgsm"
1440 libgsm_ms_decoder_deps="libgsm"
1441 libgsm_ms_encoder_deps="libgsm"
1442 libilbc_decoder_deps="libilbc"
1443 libilbc_encoder_deps="libilbc"
1444 libmp3lame_encoder_deps="libmp3lame"
1445 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1446 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1447 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1448 libopenjpeg_decoder_deps="libopenjpeg"
1449 libschroedinger_decoder_deps="libschroedinger"
1450 libschroedinger_encoder_deps="libschroedinger"
1451 libspeex_decoder_deps="libspeex"
1452 libspeex_encoder_deps="libspeex"
1453 libtheora_encoder_deps="libtheora"
1454 libvo_aacenc_encoder_deps="libvo_aacenc"
1455 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1456 libvorbis_encoder_deps="libvorbis"
1457 libvpx_decoder_deps="libvpx"
1458 libvpx_encoder_deps="libvpx"
1459 libx264_encoder_deps="libx264"
1460 libxavs_encoder_deps="libxavs"
1461 libxvid_encoder_deps="libxvid"
1462
1463 # demuxers / muxers
1464 ac3_demuxer_select="ac3_parser"
1465 asf_stream_muxer_select="asf_muxer"
1466 avisynth_demuxer_deps="avisynth"
1467 dirac_demuxer_select="dirac_parser"
1468 eac3_demuxer_select="ac3_parser"
1469 flac_demuxer_select="flac_parser"
1470 ipod_muxer_select="mov_muxer"
1471 matroska_audio_muxer_select="matroska_muxer"
1472 matroska_demuxer_suggest="zlib bzlib"
1473 mov_demuxer_suggest="zlib"
1474 mp3_demuxer_select="mpegaudio_parser"
1475 mp4_muxer_select="mov_muxer"
1476 mpegts_muxer_select="adts_muxer latm_muxer"
1477 mpegtsraw_demuxer_select="mpegts_demuxer"
1478 mxf_d10_muxer_select="mxf_muxer"
1479 ogg_demuxer_select="golomb"
1480 psp_muxer_select="mov_muxer"
1481 rtp_demuxer_select="sdp_demuxer"
1482 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1483 rtsp_demuxer_select="http_protocol rtpdec"
1484 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1485 sap_demuxer_select="sdp_demuxer"
1486 sap_muxer_select="rtp_muxer rtp_protocol"
1487 sdp_demuxer_select="rtpdec"
1488 spdif_muxer_select="aac_parser"
1489 tg2_muxer_select="mov_muxer"
1490 tgp_muxer_select="mov_muxer"
1491 w64_demuxer_deps="wav_demuxer"
1492
1493 # indevs / outdevs
1494 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1495 alsa_outdev_deps="alsa_asoundlib_h"
1496 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1497 dv1394_indev_deps="dv1394 dv_demuxer"
1498 fbdev_indev_deps="linux_fb_h"
1499 jack_indev_deps="jack_jack_h"
1500 libcdio_indev_deps="libcdio"
1501 libdc1394_indev_deps="libdc1394"
1502 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1503 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1504 pulse_indev_deps="libpulse"
1505 sndio_indev_deps="sndio_h"
1506 sndio_outdev_deps="sndio_h"
1507 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1508 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1509 vfwcap_indev_extralibs="-lavicap32"
1510 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1511
1512 # protocols
1513 gopher_protocol_deps="network"
1514 httpproxy_protocol_deps="network"
1515 httpproxy_protocol_select="tcp_protocol"
1516 http_protocol_deps="network"
1517 http_protocol_select="tcp_protocol"
1518 https_protocol_select="tls_protocol"
1519 librtmp_protocol_deps="librtmp"
1520 librtmpe_protocol_deps="librtmp"
1521 librtmps_protocol_deps="librtmp"
1522 librtmpt_protocol_deps="librtmp"
1523 librtmpte_protocol_deps="librtmp"
1524 mmsh_protocol_select="http_protocol"
1525 mmst_protocol_deps="network"
1526 rtmp_protocol_deps="!librtmp_protocol"
1527 rtmp_protocol_select="tcp_protocol"
1528 rtmphttp_protocol_deps="!librtmp_protocol"
1529 rtmphttp_protocol_select="http_protocol"
1530 rtmpt_protocol_deps="!librtmp_protocol"
1531 rtmpt_protocol_select="rtmphttp_protocol"
1532 rtp_protocol_select="udp_protocol"
1533 sctp_protocol_deps="network netinet_sctp_h"
1534 tcp_protocol_deps="network"
1535 tls_protocol_deps_any="openssl gnutls"
1536 tls_protocol_select="tcp_protocol"
1537 udp_protocol_deps="network"
1538
1539 # filters
1540 blackframe_filter_deps="gpl"
1541 boxblur_filter_deps="gpl"
1542 cropdetect_filter_deps="gpl"
1543 delogo_filter_deps="gpl"
1544 drawtext_filter_deps="libfreetype"
1545 frei0r_filter_deps="frei0r dlopen strtok_r"
1546 frei0r_filter_extralibs='$ldl'
1547 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1548 frei0r_src_filter_extralibs='$ldl'
1549 hqdn3d_filter_deps="gpl"
1550 resample_filter_deps="avresample"
1551 ocv_filter_deps="libopencv"
1552 scale_filter_deps="swscale"
1553 yadif_filter_deps="gpl"
1554
1555 # libraries
1556 avdevice_deps="avcodec avformat"
1557 avformat_deps="avcodec"
1558
1559 # programs
1560 avconv_deps="avcodec avfilter avformat avresample swscale
1561 aformat_filter asyncts_filter
1562 format_filter fps_filter scale_filter setpts_filter"
1563 avplay_deps="avcodec avformat swscale sdl"
1564 avplay_select="rdft"
1565 avprobe_deps="avcodec avformat"
1566 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1567 avserver_extralibs='$ldl'
1568
1569 doc_deps="texi2html"
1570
1571 # tests
1572
1573 test_deps(){
1574 suf1=$1
1575 suf2=$2
1576 shift 2
1577 for v; do
1578 dep=${v%=*}
1579 tests=${v#*=}
1580 for name in ${tests}; do
1581 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1582 done
1583 done
1584 }
1585
1586 mxf_d10_test_deps="avfilter"
1587 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1588
1589 test_deps _muxer _demuxer \
1590 aiff \
1591 pcm_alaw=alaw \
1592 asf \
1593 au \
1594 avi \
1595 dv=dv_fmt \
1596 ffm \
1597 flv=flv_fmt \
1598 gxf \
1599 matroska=mkv \
1600 mmf \
1601 mov \
1602 pcm_mulaw=mulaw \
1603 mxf="mxf mxf_d10" \
1604 nut \
1605 ogg \
1606 rawvideo=pixfmt \
1607 rm \
1608 swf \
1609 mpegts=ts \
1610 voc \
1611 wav \
1612 yuv4mpegpipe=yuv4mpeg \
1613
1614 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1615
1616 # default parameters
1617
1618 logfile="config.log"
1619
1620 # installation paths
1621 prefix_default="/usr/local"
1622 bindir_default='${prefix}/bin'
1623 datadir_default='${prefix}/share/avconv'
1624 incdir_default='${prefix}/include'
1625 libdir_default='${prefix}/lib'
1626 mandir_default='${prefix}/share/man'
1627 shlibdir_default="$libdir_default"
1628
1629 # toolchain
1630 ar_default="ar"
1631 cc_default="gcc"
1632 cc_version=\"unknown\"
1633 host_cc_default="gcc"
1634 ln_s="ln -sf"
1635 nm_default="nm"
1636 objformat="elf"
1637 pkg_config_default=pkg-config
1638 ranlib="ranlib"
1639 yasmexe="yasm"
1640
1641 nm_opts='-g'
1642 nogas=":"
1643
1644 # machine
1645 arch_default=$(uname -m)
1646 cpu="generic"
1647
1648 # OS
1649 target_os_default=$(tolower $(uname -s))
1650 host_os=$target_os_default
1651
1652 # configurable options
1653 enable $PROGRAM_LIST
1654
1655 enable avcodec
1656 enable avdevice
1657 enable avfilter
1658 enable avformat
1659 enable avresample
1660 enable avutil
1661 enable swscale
1662
1663 enable asm
1664 enable debug
1665 enable doc
1666 enable fastdiv
1667 enable network
1668 enable optimizations
1669 enable safe_bitstream_reader
1670 enable static
1671 enable swscale_alpha
1672
1673 # build settings
1674 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1675 AVSERVERLDFLAGS=-Wl,-E
1676 LIBPREF="lib"
1677 LIBSUF=".a"
1678 FULLNAME='$(NAME)$(BUILDSUF)'
1679 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1680 SLIBPREF="lib"
1681 SLIBSUF=".so"
1682 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1683 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1684 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1685 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1686 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1687 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1688
1689 AS_O='-o $@'
1690 CC_O='-o $@'
1691
1692 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1693 host_libs='-lm'
1694
1695 target_path='$(CURDIR)'
1696
1697 # since the object filename is not given with the -MM flag, the compiler
1698 # is only able to print the basename, and we must add the path ourselves
1699 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1700 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1701
1702 # find source path
1703 if test -f configure; then
1704 source_path=.
1705 else
1706 source_path=$(cd $(dirname "$0"); pwd)
1707 echo "$source_path" | grep -q '[[:blank:]]' &&
1708 die "Out of tree builds are impossible with whitespace in source path."
1709 test -e "$source_path/config.h" &&
1710 die "Out of tree builds are impossible with config.h in source dir."
1711 fi
1712
1713 for v in "$@"; do
1714 r=${v#*=}
1715 l=${v%"$r"}
1716 r=$(sh_quote "$r")
1717 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1718 done
1719
1720 find_things(){
1721 thing=$1
1722 pattern=$2
1723 file=$source_path/$3
1724 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1725 }
1726
1727 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1728 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1729 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1730 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1731 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1732 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1733 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1734 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1735 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1736 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1737 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1738
1739 ALL_COMPONENTS="
1740 $BSF_LIST
1741 $DECODER_LIST
1742 $DEMUXER_LIST
1743 $ENCODER_LIST
1744 $FILTER_LIST
1745 $HWACCEL_LIST
1746 $INDEV_LIST
1747 $MUXER_LIST
1748 $OUTDEV_LIST
1749 $PARSER_LIST
1750 $PROTOCOL_LIST
1751 "
1752
1753 find_tests(){
1754 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1755 }
1756
1757 LAVF_TESTS=$(find_tests lavf)
1758 LAVFI_TESTS=$(find_tests lavfi)
1759 SEEK_TESTS=$(find_tests seek seek_)
1760
1761 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1762
1763 for n in $COMPONENT_LIST; do
1764 v=$(toupper ${n%s})_LIST
1765 eval enable \$$v
1766 eval ${n}_if_any="\$$v"
1767 done
1768
1769 enable $ARCH_EXT_LIST $ALL_TESTS
1770
1771 die_unknown(){
1772 echo "Unknown option \"$1\"."
1773 echo "See $0 --help for available options."
1774 exit 1
1775 }
1776
1777 show_list() {
1778 suffix=_$1
1779 shift
1780 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1781 exit 0
1782 }
1783
1784 for opt do
1785 optval="${opt#*=}"
1786 case "$opt" in
1787 --extra-ldflags=*) add_ldflags $optval
1788 ;;
1789 --extra-libs=*) add_extralibs $optval
1790 ;;
1791 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1792 ;;
1793 --enable-debug=*) debuglevel="$optval"
1794 ;;
1795 --disable-everything)
1796 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1797 ;;
1798 --enable-*=*|--disable-*=*)
1799 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1800 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1801 eval list=\$$(toupper $thing)_LIST
1802 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1803 $action $(filter "$name" $list)
1804 ;;
1805 --enable-?*|--disable-?*)
1806 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1807 if is_in $option $COMPONENT_LIST; then
1808 test $action = disable && action=unset
1809 eval $action \$$(toupper ${option%s})_LIST
1810 elif is_in $option $CMDLINE_SELECT; then
1811 $action $option
1812 else
1813 die_unknown $opt
1814 fi
1815 ;;
1816 --list-*)
1817 NAME="${opt#--list-}"
1818 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1819 NAME=${NAME%s}
1820 eval show_list $NAME \$$(toupper $NAME)_LIST
1821 ;;
1822 --help|-h) show_help
1823 ;;
1824 *)
1825 optname="${opt%%=*}"
1826 optname="${optname#--}"
1827 optname=$(echo "$optname" | sed 's/-/_/g')
1828 if is_in $optname $CMDLINE_SET; then
1829 eval $optname='$optval'
1830 elif is_in $optname $CMDLINE_APPEND; then
1831 append $optname "$optval"
1832 else
1833 die_unknown $opt
1834 fi
1835 ;;
1836 esac
1837 done
1838
1839 disabled logging && logfile=/dev/null
1840
1841 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1842 set >> $logfile
1843
1844 test -n "$cross_prefix" && enable cross_compile
1845
1846 if enabled cross_compile; then
1847 test -n "$arch" && test -n "$target_os" ||
1848 die "Must specify target arch and OS when cross-compiling"
1849 fi
1850
1851 set_default arch target_os
1852
1853 ar_default="${cross_prefix}${ar_default}"
1854 cc_default="${cross_prefix}${cc_default}"
1855 nm_default="${cross_prefix}${nm_default}"
1856 pkg_config_default="${cross_prefix}${pkg_config_default}"
1857 ranlib="${cross_prefix}${ranlib}"
1858
1859 sysinclude_default="${sysroot}/usr/include"
1860
1861 set_default cc nm pkg_config sysinclude
1862 enabled cross_compile || host_cc_default=$cc
1863 set_default host_cc
1864
1865 if ! $pkg_config --version >/dev/null 2>&1; then
1866 warn "$pkg_config not found, library detection may fail."
1867 pkg_config=false
1868 fi
1869
1870 exesuf() {
1871 case $1 in
1872 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1873 esac
1874 }
1875
1876 EXESUF=$(exesuf $target_os)
1877 HOSTEXESUF=$(exesuf $host_os)
1878
1879 # set temporary file name
1880 : ${TMPDIR:=$TEMPDIR}
1881 : ${TMPDIR:=$TMP}
1882 : ${TMPDIR:=/tmp}
1883
1884 if ! check_cmd mktemp -u XXXXXX; then
1885 # simple replacement for missing mktemp
1886 # NOT SAFE FOR GENERAL USE
1887 mktemp(){
1888 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1889 }
1890 fi
1891
1892 tmpfile(){
1893 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1894 (set -C; exec > $tmp) 2>/dev/null ||
1895 die "Unable to create temporary file in $TMPDIR."
1896 append TMPFILES $tmp
1897 eval $1=$tmp
1898 }
1899
1900 trap 'rm -f -- $TMPFILES' EXIT
1901
1902 tmpfile TMPASM .asm
1903 tmpfile TMPC .c
1904 tmpfile TMPE $EXESUF
1905 tmpfile TMPH .h
1906 tmpfile TMPO .o
1907 tmpfile TMPS .S
1908 tmpfile TMPSH .sh
1909 tmpfile TMPV .ver
1910
1911 unset -f mktemp
1912
1913 chmod +x $TMPE
1914
1915 # make sure we can execute files in $TMPDIR
1916 cat > $TMPSH 2>> $logfile <<EOF
1917 #! /bin/sh
1918 EOF
1919 chmod +x $TMPSH >> $logfile 2>&1
1920 if ! $TMPSH >> $logfile 2>&1; then
1921 cat <<EOF
1922 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1923 variable to another directory and make sure that it is not mounted noexec.
1924 EOF
1925 die "Sanity test failed."
1926 fi
1927
1928 filter_asflags=echo
1929 filter_cflags=echo
1930 filter_cppflags=echo
1931
1932 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1933 cc_type=llvm_gcc
1934 cc_version=__VERSION__
1935 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1936 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1937 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1938 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1939 speed_cflags='-O3'
1940 size_cflags='-Os'
1941 elif $cc -v 2>&1 | grep -qi ^gcc; then
1942 cc_type=gcc
1943 cc_version=__VERSION__
1944 gcc_version=$($cc --version | head -n1)
1945 gcc_basever=$($cc -dumpversion)
1946 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1947 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1948 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1949 if ! $cc -dumpversion | grep -q '^2\.'; then
1950 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1951 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1952 fi
1953 speed_cflags='-O3'
1954 size_cflags='-Os'
1955 elif $cc --version 2>/dev/null | grep -q Intel; then
1956 cc_type=icc
1957 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1958 cc_ident=$($cc --version | head -n1)
1959 icc_version=$($cc -dumpversion)
1960 CC_DEPFLAGS='-MMD'
1961 AS_DEPFLAGS='-MMD'
1962 speed_cflags='-O3'
1963 size_cflags='-Os'
1964 noopt_cflags='-O1'
1965 elif $cc -v 2>&1 | grep -q xlc; then
1966 cc_type=xlc
1967 cc_version="AV_STRINGIFY(__IBMC__)"
1968 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1969 speed_cflags='-O5'
1970 size_cflags='-O5 -qcompact'
1971 elif $cc -V 2>/dev/null | grep -q Compaq; then
1972 cc_type=ccc
1973 cc_version="AV_STRINGIFY(__DECC_VER)"
1974 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1975 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1976 debuglevel=3
1977 add_ldflags -Wl,-z,now # calls to libots crash without this
1978 speed_cflags='-fast'
1979 size_cflags='-O1'
1980 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1981 test -d "$sysroot" || die "No valid sysroot specified."
1982 cc_type=armcc
1983 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1984 cc_ident=$($cc --vsn | head -n1)
1985 armcc_conf="$PWD/armcc.conf"
1986 $cc --arm_linux_configure \
1987 --arm_linux_config_file="$armcc_conf" \
1988 --configure_sysroot="$sysroot" \
1989 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1990 die "Error creating armcc configuration file."
1991 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1992 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1993 as_default="${cross_prefix}gcc"
1994 CC_DEPFLAGS='-MMD'
1995 AS_DEPFLAGS='-MMD'
1996 speed_cflags='-O3'
1997 size_cflags='-Os'
1998 filter_asflags="filter_out -W${armcc_opt}*"
1999 elif $cc -version 2>/dev/null | grep -q TMS470; then
2000 cc_type=tms470
2001 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2002 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2003 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2004 CC_O='-fr=$(@D)'
2005 as_default="${cross_prefix}gcc"
2006 ld_default="${cross_prefix}gcc"
2007 TMPO=$(basename $TMPC .c).o
2008 append TMPFILES $TMPO
2009 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2010 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2011 AS_DEPFLAGS='-MMD'
2012 speed_cflags='-O3 -mf=5'
2013 size_cflags='-O3 -mf=2'
2014 filter_cflags=tms470_flags
2015 tms470_flags(){
2016 for flag; do
2017 case $flag in
2018 -march=*|-mcpu=*)
2019 case "${flag#*=}" in
2020 armv7-a|cortex-a*) echo -mv=7a8 ;;
2021 armv7-r|cortex-r*) echo -mv=7r4 ;;
2022 armv7-m|cortex-m*) echo -mv=7m3 ;;
2023 armv6*|arm11*) echo -mv=6 ;;
2024 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2025 echo -mv=5e ;;
2026 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2027 esac
2028 ;;
2029 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2030 -mfpu=vfp) echo --float_support=vfpv2 ;;
2031 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2032 -msoft-float) echo --float_support=vfplib ;;
2033 -O[0-3]|-mf=*) echo $flag ;;
2034 -g) echo -g -mn ;;
2035 -pds=*) echo $flag ;;
2036 esac
2037 done
2038 }
2039 elif $cc -v 2>&1 | grep -q clang; then
2040 cc_type=clang
2041 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2042 cc_version=__clang_version__ || cc_version=__VERSION__
2043 cc_ident=$($cc --version | head -n1)
2044 CC_DEPFLAGS='-MMD'
2045 AS_DEPFLAGS='-MMD'
2046 speed_cflags='-O3'
2047 size_cflags='-Os'
2048 elif $cc -V 2>&1 | grep -q Sun; then
2049 cc_type=suncc
2050 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2051 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2052 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2053 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2054 add_ldflags -xc99
2055 speed_cflags='-O5'
2056 size_cflags='-O5 -xspace'
2057 filter_cflags=suncc_flags
2058 suncc_flags(){
2059 for flag; do
2060 case $flag in
2061 -march=*|-mcpu=*)
2062 case "${flag#*=}" in
2063 native) echo -xtarget=native ;;
2064 v9|niagara) echo -xarch=sparc ;;
2065 ultrasparc) echo -xarch=sparcvis ;;
2066 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2067 i586|pentium) echo -xchip=pentium ;;
2068 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2069 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2070 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2071 pentium4*) echo -xtarget=pentium4 ;;
2072 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2073 *-sse3) echo -xarch=sse3 ;;
2074 core2) echo -xarch=ssse3 -xchip=core2 ;;
2075 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2076 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2077 k8|opteron|athlon64|athlon-fx)
2078 echo -xarch=sse2a ;;
2079 athlon*) echo -xarch=pentium_proa ;;
2080 esac
2081 ;;
2082 -std=c99) echo -xc99 ;;
2083 -fomit-frame-pointer) echo -xregs=frameptr ;;
2084 -fPIC) echo -KPIC -xcode=pic32 ;;
2085 -W*,*) echo $flag ;;
2086 -f*-*|-W*) ;;
2087 *) echo $flag ;;
2088 esac
2089 done
2090 }
2091 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2092 cc_type=pathscale
2093 cc_version=__PATHSCALE__
2094 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2095 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2096 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2097 speed_cflags='-O2'
2098 size_cflags='-Os'
2099 filter_cflags='filter_out -Wdisabled-optimization'
2100 elif $cc -v 2>&1 | grep -q Open64; then
2101 cc_type=open64
2102 cc_version=__OPEN64__
2103 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2104 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2105 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2106 speed_cflags='-O2'
2107 size_cflags='-Os'
2108 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2109 elif $cc -V 2>&1 | grep -q Portland; then
2110 cc_type=pgi
2111 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2112 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2113 opt_common='-alias=ansi -Mlre -Mpre'
2114 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2115 size_cflags="-O2 -Munroll=c:1 $opt_common"
2116 noopt_cflags="-O1"
2117 filter_cflags=pgi_flags
2118 pgi_flags(){
2119 for flag; do
2120 case $flag in
2121 -fomit-frame-pointer) echo -Mnoframe ;;
2122 -g) echo -gopt ;;
2123 *) echo $flag ;;
2124 esac
2125 done
2126 }
2127 fi
2128
2129 test -n "$cc_type" && enable $cc_type ||
2130 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2131
2132 : ${as_default:=$cc}
2133 : ${dep_cc_default:=$cc}
2134 : ${ld_default:=$cc}
2135 set_default ar as dep_cc ld
2136
2137 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2138 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2139
2140 add_cflags $extra_cflags
2141 add_asflags $extra_cflags
2142
2143 if test -n "$sysroot"; then
2144 case "$cc_type" in
2145 gcc|llvm_gcc|clang)
2146 add_cppflags --sysroot="$sysroot"
2147 add_ldflags --sysroot="$sysroot"
2148 ;;
2149 tms470)
2150 add_cppflags -I"$sysinclude"
2151 add_ldflags --sysroot="$sysroot"
2152 ;;
2153 esac
2154 fi
2155
2156 if test "$cpu" = host; then
2157 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2158
2159 case "$cc_type" in
2160 gcc|llvm_gcc)
2161 check_native(){
2162 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2163 sed -n "/cc1.*$1=/{
2164 s/.*$1=\\([^ ]*\\).*/\\1/
2165 p
2166 q
2167 }" $TMPE
2168 }
2169 cpu=$(check_native -march || check_native -mcpu)
2170 ;;
2171 esac
2172
2173 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2174 fi
2175
2176 # Deal with common $arch aliases
2177 case "$arch" in
2178 arm*)
2179 arch="arm"
2180 ;;
2181 mips|mipsel|IP*)
2182 arch="mips"
2183 ;;
2184 mips64*)
2185 arch="mips"
2186 subarch="mips64"
2187 ;;
2188 parisc|hppa)
2189 arch="parisc"
2190 ;;
2191 parisc64|hppa64)
2192 arch="parisc"
2193 subarch="parisc64"
2194 ;;
2195 "Power Macintosh"|ppc|powerpc)
2196 arch="ppc"
2197 ;;
2198 ppc64|powerpc64)
2199 arch="ppc"
2200 subarch="ppc64"
2201 ;;
2202 s390|s390x)
2203 arch="s390"
2204 ;;
2205 sh4|sh)
2206 arch="sh4"
2207 ;;
2208 sun4u|sparc64)
2209 arch="sparc"
2210 subarch="sparc64"
2211 ;;
2212 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2213 arch="x86"
2214 ;;
2215 esac
2216
2217 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2218 enable $arch
2219
2220 # Add processor-specific flags
2221 if test "$cpu" = generic; then
2222 : do nothing
2223 elif enabled ppc; then
2224
2225 case $(tolower $cpu) in
2226 601|ppc601|powerpc601)
2227 cpuflags="-mcpu=601"
2228 disable altivec
2229 ;;
2230 603*|ppc603*|powerpc603*)
2231 cpuflags="-mcpu=603"
2232 disable altivec
2233 ;;
2234 604*|ppc604*|powerpc604*)
2235 cpuflags="-mcpu=604"
2236 disable altivec
2237 ;;
2238 g3|75*|ppc75*|powerpc75*)
2239 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2240 disable altivec
2241 ;;
2242 g4|745*|ppc745*|powerpc745*)
2243 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2244 ;;
2245 74*|ppc74*|powerpc74*)
2246 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2247 ;;
2248 g5|970|ppc970|powerpc970)
2249 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2250 ;;
2251 power[3-7]*)
2252 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2253 ;;
2254 cell)
2255 cpuflags="-mcpu=cell"
2256 enable ldbrx
2257 ;;
2258 e500v2)
2259 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2260 disable altivec
2261 ;;
2262 e500)
2263 cpuflags="-mcpu=8540 -mhard-float"
2264 disable altivec
2265 ;;
2266 esac
2267
2268 elif enabled x86; then
2269
2270 case $cpu in
2271 i[345]86|pentium)
2272 cpuflags="-march=$cpu"
2273 disable mmx
2274 ;;
2275 # targets that do NOT support conditional mov (cmov)
2276 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2277 cpuflags="-march=$cpu"
2278 disable cmov
2279 ;;
2280 # targets that do support conditional mov (cmov)
2281 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2282 cpuflags="-march=$cpu"
2283 enable cmov
2284 enable fast_cmov
2285 ;;
2286 # targets that do support conditional mov but on which it's slow
2287 pentium4|pentium4m|prescott|nocona)
2288 cpuflags="-march=$cpu"
2289 enable cmov
2290 disable fast_cmov
2291 ;;
2292 esac
2293
2294 elif enabled sparc; then
2295
2296 case $cpu in
2297 niagara)
2298 cpuflags="-mcpu=$cpu"
2299 disable vis
2300 ;;
2301 sparc64)
2302 cpuflags="-mcpu=v9"
2303 ;;
2304 esac
2305
2306 elif enabled arm; then
2307
2308 case $cpu in
2309 armv*)
2310 cpuflags="-march=$cpu"
2311 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2312 ;;
2313 *)
2314 cpuflags="-mcpu=$cpu"
2315 case $cpu in
2316 cortex-a*) subarch=armv7a ;;
2317 cortex-r*) subarch=armv7r ;;
2318 cortex-m*) enable thumb; subarch=armv7m ;;
2319 arm11*) subarch=armv6 ;;
2320 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2321 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2322 esac
2323 ;;
2324 esac
2325
2326 elif enabled alpha; then
2327
2328 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2329
2330 elif enabled bfin; then
2331
2332 cpuflags="-mcpu=$cpu"
2333
2334 elif enabled mips; then
2335
2336 cpuflags="-march=$cpu"
2337
2338 elif enabled avr32; then
2339
2340 case $cpu in
2341 ap7[02]0[0-2])
2342 subarch="avr32_ap"
2343 cpuflags="-mpart=$cpu"
2344 ;;
2345 ap)
2346 subarch="avr32_ap"
2347 cpuflags="-march=$cpu"
2348 ;;
2349 uc3[ab]*)
2350 subarch="avr32_uc"
2351 cpuflags="-mcpu=$cpu"
2352 ;;
2353 uc)
2354 subarch="avr32_uc"
2355 cpuflags="-march=$cpu"
2356 ;;
2357 esac
2358
2359 fi
2360
2361 add_cflags $cpuflags
2362 add_asflags $cpuflags
2363
2364 # compiler sanity check
2365 check_exec <<EOF
2366 int main(void){ return 0; }
2367 EOF
2368 if test "$?" != 0; then
2369 echo "$cc is unable to create an executable file."
2370 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2371 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2372 echo "Only do this if you know what cross compiling means."
2373 fi
2374 die "C compiler test failed."
2375 fi
2376
2377 add_cppflags -D_ISOC99_SOURCE
2378 check_cflags -std=c99
2379 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2380 #include <stdlib.h>
2381 EOF
2382 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2383 #include <stdlib.h>
2384 EOF
2385
2386 check_host_cflags -std=c99
2387 check_host_cflags -Wall
2388
2389 case "$arch" in
2390 alpha|ia64|mips|parisc|sparc)
2391 spic=$shared
2392 ;;
2393 x86)
2394 subarch="x86_32"
2395 check_cc <<EOF && subarch="x86_64"
2396 int test[(int)sizeof(char*) - 7];
2397 EOF
2398 if test "$subarch" = "x86_64"; then
2399 spic=$shared
2400 fi
2401 ;;
2402 esac
2403
2404 enable $subarch
2405 enabled spic && enable pic
2406
2407 # OS specific
2408 case $target_os in
2409 haiku)
2410 prefix_default="/boot/common"
2411 network_extralibs="-lnetwork"
2412 host_libs=
2413 ;;
2414 sunos)
2415 AVSERVERLDFLAGS=""
2416 SHFLAGS='-shared -Wl,-h,$$(@F)'
2417 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2418 network_extralibs="-lsocket -lnsl"
2419 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2420 # When using suncc to build, the Solaris linker will mark
2421 # an executable with each instruction set encountered by
2422 # the Solaris assembler. As our libraries contain their own
2423 # guards for processor-specific code, instead suppress
2424 # generation of the HWCAPS ELF section on Solaris x86 only.
2425 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2426 nm_opts='-P -g'
2427 ;;
2428 netbsd)
2429 disable symver
2430 oss_indev_extralibs="-lossaudio"
2431 oss_outdev_extralibs="-lossaudio"
2432 ;;
2433 openbsd)
2434 # On OpenBSD 4.5. the compiler does not use PIC unless
2435 # explicitly using -fPIC. Libav builds fine without PIC,
2436 # however the generated executable will not do anything
2437 # (simply quits with exit-code 1, no crash, no output).
2438 # Thus explicitly enable PIC here.
2439 enable pic
2440 disable symver
2441 SHFLAGS='-shared'
2442 oss_indev_extralibs="-lossaudio"
2443 oss_outdev_extralibs="-lossaudio"
2444 ;;
2445 dragonfly)
2446 disable symver
2447 ;;
2448 freebsd)
2449 ;;
2450 bsd/os)
2451 add_extralibs -lpoll -lgnugetopt
2452 ;;
2453 darwin)
2454 gas="gas-preprocessor.pl $cc"
2455 enabled ppc && add_asflags -force_cpusubtype_ALL
2456 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2457 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2458 add_ldflags -Wl,-dynamic,-search_paths_first
2459 SLIBSUF=".dylib"
2460 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2461 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2462 AVSERVERLDFLAGS=-Wl,-bind_at_load
2463 objformat="macho"
2464 enabled x86_64 && objformat="macho64"
2465 enabled_any pic shared ||
2466 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2467 ;;
2468 mingw32*)
2469 if test $target_os = "mingw32ce"; then
2470 disable network
2471 else
2472 target_os=mingw32
2473 fi
2474 LIBTARGET=i386
2475 if enabled x86_64; then
2476 LIBTARGET="i386:x86-64"
2477 elif enabled arm; then
2478 LIBTARGET=arm-wince
2479 fi
2480 shlibdir_default="$bindir_default"
2481 SLIBPREF=""
2482 SLIBSUF=".dll"
2483 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2484 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2485 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2486 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2487 SLIB_INSTALL_LINKS=
2488 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2489 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2490 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'
2491 objformat="win32"
2492 dlltool="${cross_prefix}dlltool"
2493 enable dos_paths
2494 check_cflags -fno-common
2495 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2496 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2497 die "ERROR: MinGW runtime version must be >= 3.15."
2498 add_cppflags -U__STRICT_ANSI__
2499 ;;
2500 cygwin*)
2501 target_os=cygwin
2502 shlibdir_default="$bindir_default"
2503 SLIBPREF="cyg"
2504 SLIBSUF=".dll"
2505 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2506 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2507 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2508 objformat="win32"
2509 enable dos_paths
2510 check_cflags -fno-common
2511 add_cppflags -U__STRICT_ANSI__
2512 ;;
2513 *-dos|freedos|opendos)
2514 network_extralibs="-lsocket"
2515 objformat="coff"
2516 enable dos_paths
2517 add_cppflags -U__STRICT_ANSI__
2518 ;;
2519 linux)
2520 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2521 enable dv1394
2522 ;;
2523 irix*)
2524 target_os=irix
2525 ranlib="echo ignoring ranlib"
2526 ;;
2527 os/2*)
2528 ln_s="cp -f"
2529 objformat="aout"
2530 add_cppflags -D_GNU_SOURCE
2531 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2532 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2533 AVSERVERLDFLAGS=""
2534 LIBSUF="_s.a"
2535 SLIBPREF=""
2536 SLIBSUF=".dll"
2537 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2538 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2539 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2540 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2541 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2542 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2543 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2544 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2545 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2546 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2547 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2548 enable dos_paths
2549 ;;
2550 gnu/kfreebsd)
2551 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2552 ;;
2553 gnu)
2554 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2555 ;;
2556 qnx)
2557 add_cppflags -D_QNX_SOURCE
2558 network_extralibs="-lsocket"
2559 ;;
2560 symbian)
2561 SLIBSUF=".dll"
2562 enable dos_paths
2563 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2564 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2565 add_ldflags -Wl,--target1-abs,--no-undefined \
2566 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2567 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2568 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2569 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2570 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2571 ;;
2572 none)
2573 ;;
2574 *)
2575 die "Unknown OS '$target_os'."
2576 ;;
2577 esac
2578
2579 esc(){
2580 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2581 }
2582
2583 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2584
2585 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2586
2587 set_default $PATHS_LIST
2588
2589 # we need to build at least one lib type
2590 if ! enabled_any static shared; then
2591 cat <<EOF
2592 At least one library type must be built.
2593 Specify --enable-static to build the static libraries or --enable-shared to
2594 build the shared libraries as well. To only build the shared libraries specify
2595 --disable-static in addition to --enable-shared.
2596 EOF
2597 exit 1;
2598 fi
2599
2600 die_license_disabled() {
2601 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2602 }
2603
2604 die_license_disabled gpl libcdio
2605 die_license_disabled gpl libx264
2606 die_license_disabled gpl libxavs
2607 die_license_disabled gpl libxvid
2608 die_license_disabled gpl x11grab
2609
2610 die_license_disabled nonfree libfaac
2611 die_license_disabled nonfree openssl
2612
2613 die_license_disabled version3 libopencore_amrnb
2614 die_license_disabled version3 libopencore_amrwb
2615 die_license_disabled version3 libvo_aacenc
2616 die_license_disabled version3 libvo_amrwbenc
2617
2618 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2619
2620 disabled optimizations || check_cflags -fomit-frame-pointer
2621
2622 enable_pic() {
2623 enable pic
2624 add_cppflags -DPIC
2625 add_cflags -fPIC
2626 add_asflags -fPIC
2627 }
2628
2629 enabled pic && enable_pic
2630
2631 check_cc <<EOF || die "Symbol mangling check failed."
2632 int ff_extern;
2633 EOF
2634 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2635 extern_prefix=${sym%%ff_extern*}
2636
2637 check_cc <<EOF && enable inline_asm
2638 void foo(void) { __asm__ volatile ("" ::); }
2639 EOF
2640
2641 _restrict=
2642 for restrict_keyword in restrict __restrict__ __restrict; do
2643 check_cc <<EOF && _restrict=$restrict_keyword && break
2644 void foo(char * $restrict_keyword p);
2645 EOF
2646 done
2647
2648 check_cc <<EOF && enable attribute_packed
2649 struct { int x; } __attribute__((packed)) x;
2650 EOF
2651
2652 check_cc <<EOF && enable attribute_may_alias
2653 union { int x; } __attribute__((may_alias)) x;
2654 EOF
2655
2656 check_cc <<EOF || die "endian test failed"
2657 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2658 EOF
2659 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2660
2661 if enabled alpha; then
2662
2663 check_cflags -mieee
2664
2665 elif enabled arm; then
2666
2667 enabled thumb && check_cflags -mthumb || check_cflags -marm
2668 nogas=die
2669
2670 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2671 enable vfp_args
2672 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2673 case "${cross_prefix:-$cc}" in
2674 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2675 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2676 __asm__ (".eabi_attribute 28, 1");
2677 int main(void) { return 0; }
2678 EOF
2679 esac
2680 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2681 fi
2682
2683 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2684 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2685 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2686 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2687 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2688 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2689
2690 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2691
2692 enabled_all armv6t2 shared !pic && enable_pic
2693
2694 elif enabled mips; then
2695
2696 check_asm loongson '"dmult.g $1, $2, $3"'
2697 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2698
2699 elif enabled ppc; then
2700
2701 enable local_aligned_8 local_aligned_16
2702
2703 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2704 check_asm ibm_asm '"add 0, 0, 0"'
2705 check_asm ppc4xx '"maclhw r10, r11, r12"'
2706 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2707
2708 # AltiVec flags: The FSF version of GCC differs from the Apple version
2709 if enabled altivec; then
2710 nogas=warn
2711 check_cflags -maltivec -mabi=altivec &&
2712 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2713 check_cflags -faltivec
2714
2715 # check if our compiler supports Motorola AltiVec C API
2716 check_cc <<EOF || disable altivec
2717 $inc_altivec_h
2718 int main(void) {
2719 vector signed int v1, v2, v3;
2720 v1 = vec_add(v2,v3);
2721 return 0;
2722 }
2723 EOF
2724
2725 # check if our compiler supports braces for vector declarations
2726 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2727 $inc_altivec_h
2728 int main (void) { (vector int) {1}; return 0; }
2729 EOF
2730 fi
2731
2732 elif enabled sparc; then
2733
2734 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2735 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2736
2737 elif enabled x86; then
2738
2739 enable local_aligned_8 local_aligned_16
2740
2741 # check whether EBP is available on x86
2742 # As 'i' is stored on the stack, this program will crash
2743 # if the base pointer is used to access it because the
2744 # base pointer is cleared in the inline assembly code.
2745 check_exec_crash <<EOF && enable ebp_available
2746 volatile int i=0;
2747 __asm__ volatile (
2748 "xorl %%ebp, %%ebp"
2749 ::: "%ebp");
2750 return i;
2751 EOF
2752
2753 # check whether EBX is available on x86
2754 check_asm ebx_available '""::"b"(0)' &&
2755 check_asm ebx_available '"":::"%ebx"'
2756
2757 # check whether xmm clobbers are supported
2758 check_asm xmm_clobbers '"":::"%xmm0"'
2759
2760 # check whether binutils is new enough to compile SSSE3/MMX2
2761 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2762 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2763
2764 if ! disabled_any asm mmx yasm; then
2765 if check_cmd $yasmexe --version; then
2766 enabled x86_64 && yasm_extra="-m amd64"
2767 yasm_debug="-g dwarf2"
2768 elif check_cmd nasm -v; then
2769 yasmexe=nasm
2770 yasm_debug="-g -F dwarf"
2771 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2772 fi
2773
2774 YASMFLAGS="-f $objformat $yasm_extra"
2775 enabled pic && append YASMFLAGS "-DPIC"
2776 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2777 case "$objformat" in
2778 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2779 esac
2780
2781 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2782 die "yasm not found, use --disable-yasm for a crippled build"
2783 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2784 fi
2785
2786 case "$cpu" in
2787 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2788 disable fast_clz
2789 ;;
2790 esac
2791
2792 fi
2793
2794 if enabled asm; then
2795 as=${gas:=$as}
2796 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2797 $nogas "GNU assembler not found, install gas-preprocessor"
2798 fi
2799
2800 check_ldflags -Wl,--as-needed
2801
2802 if check_func dlopen; then
2803 ldl=
2804 elif check_func dlopen -ldl; then
2805 ldl=-ldl
2806 fi
2807
2808 if enabled network; then
2809 check_type "sys/types.h sys/socket.h" socklen_t
2810 check_type netdb.h "struct addrinfo"
2811 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2812 check_type netinet/in.h "struct sockaddr_in6"
2813 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2814 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2815 check_header netinet/sctp.h
2816 # Prefer arpa/inet.h over winsock2
2817 if check_header arpa/inet.h ; then
2818 check_func closesocket
2819 elif check_header winsock2.h ; then
2820 check_func_headers winsock2.h closesocket -lws2 && \
2821 network_extralibs="-lws2" || \
2822 { check_func_headers winsock2.h closesocket -lws2_32 && \
2823 network_extralibs="-lws2_32"; }
2824 check_type ws2tcpip.h socklen_t
2825 check_type ws2tcpip.h "struct addrinfo"
2826 check_type ws2tcpip.h "struct ipv6_mreq"
2827 check_type ws2tcpip.h "struct sockaddr_in6"
2828 check_type ws2tcpip.h "struct sockaddr_storage"
2829 check_struct winsock2.h "struct sockaddr" sa_len
2830 else
2831 disable network
2832 fi
2833 fi
2834
2835 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2836 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2837
2838 check_func fcntl
2839 check_func fork
2840 check_func getaddrinfo $network_extralibs
2841 check_func gethrtime
2842 check_func getrusage
2843 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2844 check_func gettimeofday
2845 check_func inet_aton $network_extralibs
2846 check_func isatty
2847 check_func localtime_r
2848 check_func ${malloc_prefix}memalign && enable memalign
2849 check_func mkstemp
2850 check_func mmap
2851 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2852 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
2853 check_func setrlimit
2854 check_func strerror_r
2855 check_func strptime
2856 check_func strtok_r
2857 check_func sched_getaffinity
2858 check_func sysconf
2859 check_func sysctl
2860 check_func usleep
2861 check_func_headers io.h setmode
2862 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2863 check_func_headers windows.h GetProcessAffinityMask
2864 check_func_headers windows.h GetProcessTimes
2865 check_func_headers windows.h GetSystemTimeAsFileTime
2866 check_func_headers windows.h MapViewOfFile
2867 check_func_headers windows.h Sleep
2868 check_func_headers windows.h VirtualAlloc
2869
2870 check_header dlfcn.h
2871 check_header dxva2api.h
2872 check_header malloc.h
2873 check_header poll.h
2874 check_header sys/mman.h
2875 check_header sys/param.h
2876 check_header sys/resource.h
2877 check_header sys/select.h
2878 check_header sys/time.h
2879 check_header unistd.h
2880 check_header vdpau/vdpau.h
2881 check_header vdpau/vdpau_x11.h
2882 check_header windows.h
2883 check_header X11/extensions/XvMClib.h
2884
2885 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2886 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2887
2888 if ! disabled w32threads && ! enabled pthreads; then
2889 check_func _beginthreadex && enable w32threads
2890 fi
2891
2892 # check for some common methods of building with pthread support
2893 # do this before the optional library checks as some of them require pthreads
2894 if ! disabled pthreads && ! enabled w32threads; then
2895 enable pthreads
2896 if check_func pthread_create; then
2897 :
2898 elif check_func pthread_create -pthread; then
2899 add_cflags -pthread
2900 add_extralibs -pthread
2901 elif check_func pthread_create -pthreads; then
2902 add_cflags -pthreads
2903 add_extralibs -pthreads
2904 elif check_func pthread_create -lpthreadGC2; then
2905 add_extralibs -lpthreadGC2
2906 elif ! check_lib pthread.h pthread_create -lpthread; then
2907 disable pthreads
2908 fi
2909 fi
2910
2911 for thread in $THREADS_LIST; do
2912 if enabled $thread; then
2913 test -n "$thread_type" &&
2914 die "ERROR: Only one thread type must be selected." ||
2915 thread_type="$thread"
2916 fi
2917 done
2918
2919 check_lib math.h sin -lm && LIBM="-lm"
2920 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2921
2922 check_mathfunc cbrtf
2923 check_mathfunc exp2
2924 check_mathfunc exp2f
2925 check_mathfunc llrint
2926 check_mathfunc llrintf
2927 check_mathfunc log2
2928 check_mathfunc log2f
2929 check_mathfunc lrint
2930 check_mathfunc lrintf
2931 check_mathfunc round
2932 check_mathfunc roundf
2933 check_mathfunc trunc
2934 check_mathfunc truncf
2935
2936 # these are off by default, so fail if requested and not available
2937 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2938 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2939 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2940 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2941 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2942 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2943 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
2944 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2945 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2946 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2947 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2948 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2949 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2950 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2951 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2952 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2953 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2954 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2955 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2956 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2957 enabled libvpx && {
2958 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2959 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2960 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2961 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2962 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2963 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2964 die "ERROR: libx264 version must be >= 0.118."; }
2965 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2966 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2967 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2968 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2969 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2970 die "ERROR: openssl not found"; }
2971
2972 # libdc1394 check
2973 if enabled libdc1394; then
2974 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2975 enable libdc1394_2; } ||
2976 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2977 enable libdc1394_1; } ||
2978 die "ERROR: No version of libdc1394 found "
2979 fi
2980
2981 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2982 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2983 enable sdl &&
2984 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2985 fi
2986
2987 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2988
2989 check_header linux/fb.h
2990 check_header linux/videodev2.h
2991 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2992
2993 check_header sys/videoio.h
2994
2995 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2996 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2997 # w32api 3.12 had it defined wrong
2998 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2999
3000 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3001 { check_header dev/bktr/ioctl_meteor.h &&
3002 check_header dev/bktr/ioctl_bt848.h; } ||
3003 { check_header machine/ioctl_meteor.h &&
3004 check_header machine/ioctl_bt848.h; } ||
3005 { check_header dev/video/meteor/ioctl_meteor.h &&
3006 check_header dev/video/bktr/ioctl_bt848.h; } ||
3007 check_header dev/ic/bt8xx.h
3008
3009 check_header sndio.h
3010 check_header sys/soundcard.h
3011 check_header soundcard.h
3012
3013 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3014
3015 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3016 check_func jack_port_get_latency_range -ljack
3017
3018 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3019
3020 enabled libcdio &&
3021 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3022
3023 enabled x11grab &&
3024 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3025 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3026 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3027
3028 # check for VDA header
3029 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3030 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3031 fi
3032
3033 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3034 check_cpp_condition \
3035 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3036 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3037 disable vdpau; }
3038 fi
3039
3040 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3041
3042 # add some useful compiler flags if supported
3043 check_cflags -Wdeclaration-after-statement
3044 check_cflags -Wall
3045 check_cflags -Wno-parentheses
3046 check_cflags -Wno-switch
3047 check_cflags -Wno-format-zero-length
3048 check_cflags -Wdisabled-optimization
3049 check_cflags -Wpointer-arith
3050 check_cflags -Wredundant-decls
3051 check_cflags -Wno-pointer-sign
3052 check_cflags -Wcast-qual
3053 check_cflags -Wwrite-strings
3054 check_cflags -Wtype-limits
3055 check_cflags -Wundef
3056 check_cflags -Wmissing-prototypes
3057 check_cflags -Wstrict-prototypes
3058 enabled extra_warnings && check_cflags -Winline
3059
3060 # add some linker flags
3061 check_ldflags -Wl,--warn-common
3062 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3063 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3064
3065 enabled xmm_clobber_test && \
3066 check_ldflags -Wl,--wrap,avcodec_open2 \
3067 -Wl,--wrap,avcodec_decode_audio4 \
3068 -Wl,--wrap,avcodec_decode_video2 \
3069 -Wl,--wrap,avcodec_decode_subtitle2 \
3070 -Wl,--wrap,avcodec_encode_audio2 \
3071 -Wl,--wrap,avcodec_encode_video \
3072 -Wl,--wrap,avcodec_encode_subtitle \
3073 -Wl,--wrap,sws_scale || \
3074 disable xmm_clobber_test
3075
3076 echo "X{};" > $TMPV
3077 if test_ldflags -Wl,--version-script,$TMPV; then
3078 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3079 check_cc <<EOF && enable symver_asm_label
3080 void ff_foo(void) __asm__ ("av_foo@VERSION");
3081 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3082 EOF
3083 check_cc <<EOF && enable symver_gnu_asm
3084 __asm__(".symver ff_foo,av_foo@VERSION");
3085 void ff_foo(void) {}
3086 EOF
3087 fi
3088
3089 if [ -n "$optflags" ]; then
3090 add_cflags $optflags
3091 elif enabled small; then
3092 add_cflags $size_cflags
3093 elif enabled optimizations; then
3094 add_cflags $speed_cflags
3095 else
3096 add_cflags $noopt_cflags
3097 fi
3098 check_cflags -fno-math-errno
3099 check_cflags -fno-signed-zeros
3100
3101 if enabled icc; then
3102 # Just warnings, no remarks
3103 check_cflags -w1
3104 # -wd: Disable following warnings
3105 # 144, 167, 556: -Wno-pointer-sign
3106 # 1292: attribute "foo" ignored
3107 # 1419: external declaration in primary source file
3108 # 10006: ignoring unknown option -fno-signed-zeros
3109 # 10148: ignoring unknown option -Wno-parentheses
3110 # 10156: ignoring option '-W'; no argument required
3111 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3112 # 11030: Warning unknown option --as-needed
3113 # 10156: ignoring option '-export'; no argument required
3114 check_ldflags -wd10156,11030
3115 # Allow to compile with optimizations
3116 check_ldflags -march=$cpu
3117 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3118 enable ebp_available
3119 if enabled x86_32; then
3120 test ${icc_version%%.*} -ge 11 && \
3121 check_cflags -falign-stack=maintain-16-byte || \
3122 disable aligned_stack
3123 fi
3124 elif enabled ccc; then
3125 # disable some annoying warnings
3126 add_cflags -msg_disable cvtu32to64
3127 add_cflags -msg_disable embedcomment
3128 add_cflags -msg_disable needconstext
3129 add_cflags -msg_disable nomainieee
3130 add_cflags -msg_disable ptrmismatch1
3131 add_cflags -msg_disable unreachcode
3132 elif enabled gcc; then
3133 check_cflags -fno-tree-vectorize
3134 check_cflags -Werror=implicit-function-declaration
3135 check_cflags -Werror=missing-prototypes
3136 check_cflags -Werror=declaration-after-statement
3137 elif enabled llvm_gcc; then
3138 check_cflags -mllvm -stack-alignment=16
3139 elif enabled clang; then
3140 check_cflags -mllvm -stack-alignment=16
3141 check_cflags -Qunused-arguments
3142 elif enabled armcc; then
3143 # 2523: use of inline assembler is deprecated
3144 add_cflags -W${armcc_opt},--diag_suppress=2523
3145 add_cflags -W${armcc_opt},--diag_suppress=1207
3146 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3147 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3148 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3149 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3150 elif enabled tms470; then
3151 add_cflags -pds=824 -pds=837
3152 elif enabled pathscale; then
3153 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3154 fi
3155
3156 enabled_any $THREADS_LIST && enable threads
3157
3158 check_deps $CONFIG_LIST \
3159 $CONFIG_EXTRA \
3160 $HAVE_LIST \
3161 $ALL_COMPONENTS \
3162 $ALL_TESTS \
3163
3164 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3165
3166 ! enabled_any memalign posix_memalign aligned_malloc &&
3167 enabled_any $need_memalign && enable memalign_hack
3168
3169 echo "install prefix $prefix"
3170 echo "source path $source_path"
3171 echo "C compiler $cc"
3172 echo "ARCH $arch ($cpu)"
3173 if test "$build_suffix" != ""; then
3174 echo "build suffix $build_suffix"
3175 fi
3176 if test "$extra_version" != ""; then
3177 echo "version string suffix $extra_version"
3178 fi
3179 echo "big-endian ${bigendian-no}"
3180 echo "runtime cpu detection ${runtime_cpudetect-no}"
3181 if enabled x86; then
3182 echo "${yasmexe} ${yasm-no}"
3183 echo "MMX enabled ${mmx-no}"
3184 echo "MMX2 enabled ${mmx2-no}"
3185 echo "3DNow! enabled ${amd3dnow-no}"
3186 echo "3DNow! extended enabled ${amd3dnowext-no}"
3187 echo "SSE enabled ${sse-no}"
3188 echo "SSSE3 enabled ${ssse3-no}"
3189 echo "AVX enabled ${avx-no}"
3190 echo "CMOV enabled ${cmov-no}"
3191 echo "CMOV is fast ${fast_cmov-no}"
3192 echo "EBX available ${ebx_available-no}"
3193 echo "EBP available ${ebp_available-no}"
3194 fi
3195 if enabled arm; then
3196 echo "ARMv5TE enabled ${armv5te-no}"
3197 echo "ARMv6 enabled ${armv6-no}"
3198 echo "ARMv6T2 enabled ${armv6t2-no}"
3199 echo "ARM VFP enabled ${armvfp-no}"
3200 echo "NEON enabled ${neon-no}"
3201 fi
3202 if enabled mips; then
3203 echo "MMI enabled ${mmi-no}"
3204 fi
3205 if enabled ppc; then
3206 echo "AltiVec enabled ${altivec-no}"
3207 echo "PPC 4xx optimizations ${ppc4xx-no}"
3208 echo "dcbzl available ${dcbzl-no}"
3209 fi
3210 if enabled sparc; then
3211 echo "VIS enabled ${vis-no}"
3212 fi
3213 echo "debug symbols ${debug-no}"
3214 echo "optimize for size ${small-no}"
3215 echo "optimizations ${optimizations-no}"
3216 echo "static ${static-no}"
3217 echo "shared ${shared-no}"
3218 echo "new filter support ${avfilter-no}"
3219 echo "network support ${network-no}"
3220 echo "threading support ${thread_type-no}"
3221 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3222 echo "SDL support ${sdl-no}"
3223 echo "libdxva2 enabled ${dxva2-no}"
3224 echo "libva enabled ${vaapi-no}"
3225 echo "libvdpau enabled ${vdpau-no}"
3226 echo "AVISynth enabled ${avisynth-no}"
3227 echo "frei0r enabled ${frei0r-no}"
3228 echo "gnutls enabled ${gnutls-no}"
3229 echo "libcdio support ${libcdio-no}"
3230 echo "libdc1394 support ${libdc1394-no}"
3231 echo "libfaac enabled ${libfaac-no}"
3232 echo "libgsm enabled ${libgsm-no}"
3233 echo "libilbc enabled ${libilbc-no}"
3234 echo "libmp3lame enabled ${libmp3lame-no}"
3235 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3236 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3237 echo "libopencv support ${libopencv-no}"
3238 echo "libopenjpeg enabled ${libopenjpeg-no}"
3239 echo "libpulse enabled ${libpulse-no}"
3240 echo "librtmp enabled ${librtmp-no}"
3241 echo "libschroedinger enabled ${libschroedinger-no}"
3242 echo "libspeex enabled ${libspeex-no}"
3243 echo "libtheora enabled ${libtheora-no}"
3244 echo "libvo-aacenc support ${libvo_aacenc-no}"
3245 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3246 echo "libvorbis enabled ${libvorbis-no}"
3247 echo "libvpx enabled ${libvpx-no}"
3248 echo "libx264 enabled ${libx264-no}"
3249 echo "libxavs enabled ${libxavs-no}"
3250 echo "libxvid enabled ${libxvid-no}"
3251 echo "openssl enabled ${openssl-no}"
3252 echo "zlib enabled ${zlib-no}"
3253 echo "bzlib enabled ${bzlib-no}"
3254 echo
3255
3256 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3257 echo "Enabled ${type}s:"
3258 eval list=\$$(toupper $type)_LIST
3259 print_enabled '_*' $list | sort | pr -r -3 -t
3260 echo
3261 done
3262
3263 license="LGPL version 2.1 or later"
3264 if enabled nonfree; then
3265 license="nonfree and unredistributable"
3266 elif enabled gplv3; then
3267 license="GPL version 3 or later"
3268 elif enabled lgplv3; then
3269 license="LGPL version 3 or later"
3270 elif enabled gpl; then
3271 license="GPL version 2 or later"
3272 fi
3273
3274 echo "License: $license"
3275
3276 echo "Creating config.mak and config.h..."
3277
3278 test -e Makefile || $ln_s "$source_path/Makefile" .
3279
3280 config_files="$TMPH config.mak"
3281
3282 cat > config.mak <<EOF
3283 # Automatically generated by configure - do not modify!
3284 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3285 prefix=$prefix
3286 LIBDIR=\$(DESTDIR)$libdir
3287 SHLIBDIR=\$(DESTDIR)$shlibdir
3288 INCDIR=\$(DESTDIR)$incdir
3289 BINDIR=\$(DESTDIR)$bindir
3290 DATADIR=\$(DESTDIR)$datadir
3291 MANDIR=\$(DESTDIR)$mandir
3292 SRC_PATH=$source_path
3293 CC_IDENT=$cc_ident
3294 ARCH=$arch
3295 CC=$cc
3296 AS=$as
3297 LD=$ld
3298 DEPCC=$dep_cc
3299 YASM=$yasmexe
3300 YASMDEP=$yasmexe
3301 AR=$ar
3302 RANLIB=$ranlib
3303 LN_S=$ln_s
3304 CPPFLAGS=$CPPFLAGS
3305 CFLAGS=$CFLAGS
3306 ASFLAGS=$ASFLAGS
3307 AS_O=$CC_O
3308 CC_O=$CC_O
3309 DLLTOOL=$dlltool
3310 LDFLAGS=$LDFLAGS
3311 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3312 SHFLAGS=$SHFLAGS
3313 YASMFLAGS=$YASMFLAGS
3314 BUILDSUF=$build_suffix
3315 FULLNAME=$FULLNAME
3316 LIBPREF=$LIBPREF
3317 LIBSUF=$LIBSUF
3318 LIBNAME=$LIBNAME
3319 SLIBPREF=$SLIBPREF
3320 SLIBSUF=$SLIBSUF
3321 EXESUF=$EXESUF
3322 EXTRA_VERSION=$extra_version
3323 DEPFLAGS=$DEPFLAGS
3324 CCDEP=$CCDEP
3325 ASDEP=$ASDEP
3326 CC_DEPFLAGS=$CC_DEPFLAGS
3327 AS_DEPFLAGS=$AS_DEPFLAGS
3328 HOSTCC=$host_cc
3329 HOSTCFLAGS=$host_cflags
3330 HOSTEXESUF=$HOSTEXESUF
3331 HOSTLDFLAGS=$host_ldflags
3332 HOSTLIBS=$host_libs
3333 TARGET_EXEC=$target_exec
3334 TARGET_PATH=$target_path
3335 SDL_LIBS=$sdl_libs
3336 SDL_CFLAGS=$sdl_cflags
3337 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3338 EXTRALIBS=$extralibs
3339 INSTALL=install
3340 LIBTARGET=${LIBTARGET}
3341 SLIBNAME=${SLIBNAME}
3342 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3343 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3344 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3345 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3346 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3347 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3348 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3349 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3350 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3351 EOF
3352
3353 get_version(){
3354 name=$1
3355 file=$source_path/$2
3356 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3357 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3358 lcname=$(tolower $name)
3359 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3360 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3361 }
3362
3363 get_version LIBAVCODEC libavcodec/version.h
3364 get_version LIBAVDEVICE libavdevice/avdevice.h
3365 get_version LIBAVFILTER libavfilter/version.h
3366 get_version LIBAVFORMAT libavformat/version.h
3367 get_version LIBAVRESAMPLE libavresample/version.h
3368 get_version LIBAVUTIL libavutil/avutil.h
3369 get_version LIBSWSCALE libswscale/swscale.h
3370
3371 cat > $TMPH <<EOF
3372 /* Automatically generated by configure - do not modify! */
3373 #ifndef LIBAV_CONFIG_H
3374 #define LIBAV_CONFIG_H
3375 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3376 #define LIBAV_LICENSE "$(c_escape $license)"
3377 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3378 #define CC_TYPE "$cc_type"
3379 #define CC_VERSION $cc_version
3380 #define restrict $_restrict
3381 #define EXTERN_PREFIX "${extern_prefix}"
3382 #define EXTERN_ASM ${extern_prefix}
3383 #define SLIBSUF "$SLIBSUF"
3384 EOF
3385
3386 test -n "$malloc_prefix" &&
3387 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3388
3389 if enabled small || disabled optimizations; then
3390 echo "#undef av_always_inline" >> $TMPH
3391 if enabled small; then
3392 echo "#define av_always_inline inline" >> $TMPH
3393 else
3394 echo "#define av_always_inline av_unused" >> $TMPH
3395 fi
3396 fi
3397
3398 if enabled yasm; then
3399 append config_files $TMPASM
3400 printf '' >$TMPASM
3401 fi
3402
3403 print_config ARCH_ "$config_files" $ARCH_LIST
3404 print_config HAVE_ "$config_files" $HAVE_LIST
3405 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3406 $CONFIG_EXTRA \
3407 $ALL_COMPONENTS \
3408
3409 cat >>config.mak <<EOF
3410 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3411 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3412 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3413 EOF
3414
3415 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3416
3417 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3418 cp_if_changed $TMPH config.h
3419 touch .config
3420
3421 enabled yasm && cp_if_changed $TMPASM config.asm
3422
3423 cat > $TMPH <<EOF
3424 /* Generated by ffconf */
3425 #ifndef AVUTIL_AVCONFIG_H
3426 #define AVUTIL_AVCONFIG_H
3427 EOF
3428
3429 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3430
3431 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3432
3433 cp_if_changed $TMPH libavutil/avconfig.h
3434
3435 test -n "$WARNINGS" && printf "\n$WARNINGS"
3436
3437 # build pkg-config files
3438
3439 pkgconfig_generate(){
3440 name=$1
3441 shortname=${name#lib}${build_suffix}
3442 comment=$2
3443 version=$3
3444 libs=$4
3445 requires=$5
3446 enabled ${name#lib} || return 0
3447 mkdir -p $name
3448 cat <<EOF > $name/$name.pc
3449 prefix=$prefix
3450 exec_prefix=\${prefix}
3451 libdir=$libdir
3452 includedir=$incdir
3453
3454 Name: $name
3455 Description: $comment
3456 Version: $version
3457 Requires: $(enabled shared || echo $requires)
3458 Requires.private: $(enabled shared && echo $requires)
3459 Conflicts:
3460 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3461 Libs.private: $(enabled shared && echo $libs)
3462 Cflags: -I\${includedir}
3463 EOF
3464 cat <<EOF > $name/$name-uninstalled.pc
3465 prefix=
3466 exec_prefix=
3467 libdir=\${pcfiledir}
3468 includedir=${source_path}
3469
3470 Name: $name
3471 Description: $comment
3472 Version: $version
3473 Requires: $requires
3474 Conflicts:
3475 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3476 Cflags: -I\${includedir}
3477 EOF
3478 }
3479
3480 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3481 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3482 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3483 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3484 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3485 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3486 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"