os_support: Don't compare a negative number against socket descriptors
[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 dxva_h
1075 ebp_available
1076 ebx_available
1077 exp2
1078 exp2f
1079 fast_64bit
1080 fast_clz
1081 fast_cmov
1082 fcntl
1083 fork
1084 getaddrinfo
1085 gethrtime
1086 GetProcessAffinityMask
1087 GetProcessMemoryInfo
1088 GetProcessTimes
1089 GetSystemTimeAsFileTime
1090 getrusage
1091 gettimeofday
1092 gnu_as
1093 ibm_asm
1094 inet_aton
1095 inline_asm
1096 io_h
1097 isatty
1098 isinf
1099 isnan
1100 jack_port_get_latency_range
1101 ldbrx
1102 libdc1394_1
1103 libdc1394_2
1104 llrint
1105 llrintf
1106 local_aligned_16
1107 local_aligned_8
1108 localtime_r
1109 log2
1110 log2f
1111 loongson
1112 lrint
1113 lrintf
1114 machine_ioctl_bt848_h
1115 machine_ioctl_meteor_h
1116 malloc_h
1117 MapViewOfFile
1118 memalign
1119 mkstemp
1120 mmap
1121 nanosleep
1122 netinet_sctp_h
1123 poll_h
1124 posix_memalign
1125 round
1126 roundf
1127 sched_getaffinity
1128 sdl
1129 sdl_video_size
1130 setmode
1131 setrlimit
1132 Sleep
1133 sndio_h
1134 socklen_t
1135 soundcard_h
1136 strerror_r
1137 strptime
1138 strtok_r
1139 struct_addrinfo
1140 struct_group_source_req
1141 struct_ip_mreq_source
1142 struct_ipv6_mreq
1143 struct_rusage_ru_maxrss
1144 struct_sockaddr_in6
1145 struct_sockaddr_sa_len
1146 struct_sockaddr_storage
1147 struct_v4l2_frmivalenum_discrete
1148 symver
1149 symver_asm_label
1150 symver_gnu_asm
1151 sysconf
1152 sysctl
1153 sys_mman_h
1154 sys_param_h
1155 sys_resource_h
1156 sys_select_h
1157 sys_soundcard_h
1158 sys_time_h
1159 sys_videoio_h
1160 threads
1161 trunc
1162 truncf
1163 unistd_h
1164 usleep
1165 vfp_args
1166 VirtualAlloc
1167 windows_h
1168 winsock2_h
1169 xform_asm
1170 xmm_clobbers
1171 yasm
1172 "
1173
1174 # options emitted with CONFIG_ prefix but not available on command line
1175 CONFIG_EXTRA="
1176 aandct
1177 avutil
1178 golomb
1179 gplv3
1180 h264chroma
1181 h264dsp
1182 h264pred
1183 h264qpel
1184 huffman
1185 lgplv3
1186 lpc
1187 "
1188
1189 CMDLINE_SELECT="
1190 $ARCH_EXT_LIST
1191 $CONFIG_LIST
1192 $THREADS_LIST
1193 asm
1194 cross_compile
1195 debug
1196 extra_warnings
1197 logging
1198 optimizations
1199 symver
1200 yasm
1201 "
1202
1203 PATHS_LIST='
1204 bindir
1205 datadir
1206 incdir
1207 libdir
1208 mandir
1209 prefix
1210 shlibdir
1211 '
1212
1213 CMDLINE_SET="
1214 $PATHS_LIST
1215 ar
1216 arch
1217 as
1218 build_suffix
1219 cc
1220 cpu
1221 cross_prefix
1222 dep_cc
1223 extra_version
1224 host_cc
1225 host_cflags
1226 host_ldflags
1227 host_libs
1228 host_os
1229 ld
1230 logfile
1231 malloc_prefix
1232 nm
1233 optflags
1234 pkg_config
1235 samples
1236 sysinclude
1237 sysroot
1238 target_exec
1239 target_os
1240 target_path
1241 "
1242
1243 CMDLINE_APPEND="
1244 extra_cflags
1245 "
1246
1247 # code dependency declarations
1248
1249 # architecture extensions
1250
1251 armv5te_deps="arm"
1252 armv6_deps="arm"
1253 armv6t2_deps="arm"
1254 armvfp_deps="arm"
1255 neon_deps="arm"
1256 vfpv3_deps="armvfp"
1257
1258 mmi_deps="mips"
1259
1260 altivec_deps="ppc"
1261 ppc4xx_deps="ppc"
1262
1263 vis_deps="sparc"
1264
1265 x86_64_suggest="cmov fast_cmov"
1266 amd3dnow_deps="mmx"
1267 amd3dnowext_deps="amd3dnow"
1268 mmx_deps="x86"
1269 mmx2_deps="mmx"
1270 sse_deps="mmx"
1271 ssse3_deps="sse"
1272 avx_deps="ssse3"
1273
1274 aligned_stack_if_any="ppc x86"
1275 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1276 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1277 fast_unaligned_if_any="armv6 ppc x86"
1278
1279 inline_asm_deps="!tms470"
1280 need_memalign="altivec neon sse"
1281
1282 symver_if_any="symver_asm_label symver_gnu_asm"
1283
1284 # subsystems
1285 dct_select="rdft"
1286 mdct_select="fft"
1287 rdft_select="fft"
1288 mpegaudiodsp_select="dct"
1289
1290 # decoders / encoders / hardware accelerators
1291 aac_decoder_select="mdct sinewin"
1292 aac_encoder_select="mdct sinewin"
1293 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1294 ac3_decoder_select="mdct ac3dsp ac3_parser"
1295 ac3_encoder_select="mdct ac3dsp"
1296 ac3_fixed_encoder_select="mdct ac3dsp"
1297 alac_encoder_select="lpc"
1298 amrnb_decoder_select="lsp"
1299 amrwb_decoder_select="lsp"
1300 atrac1_decoder_select="mdct sinewin"
1301 atrac3_decoder_select="mdct"
1302 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1303 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1304 cavs_decoder_select="golomb"
1305 cook_decoder_select="mdct sinewin"
1306 cscd_decoder_suggest="zlib"
1307 dca_decoder_select="mdct"
1308 dnxhd_encoder_select="aandct"
1309 dxa_decoder_select="zlib"
1310 eac3_decoder_select="ac3_decoder"
1311 eac3_encoder_select="mdct ac3dsp"
1312 eamad_decoder_select="aandct"
1313 eatgq_decoder_select="aandct"
1314 eatqi_decoder_select="aandct"
1315 ffv1_decoder_select="golomb"
1316 flac_decoder_select="golomb"
1317 flac_encoder_select="golomb lpc"
1318 flashsv_decoder_select="zlib"
1319 flashsv_encoder_select="zlib"
1320 flashsv2_decoder_select="zlib"
1321 flv_decoder_select="h263_decoder"
1322 flv_encoder_select="h263_encoder"
1323 fraps_decoder_select="huffman"
1324 h261_encoder_select="aandct"
1325 h263_decoder_select="h263_parser"
1326 h263_encoder_select="aandct"
1327 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1328 h263i_decoder_select="h263_decoder"
1329 h263p_encoder_select="h263_encoder"
1330 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1331 h264_dxva2_hwaccel_deps="dxva2api_h"
1332 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1333 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1334 h264_vda_hwaccel_select="vda h264_decoder"
1335 h264_vdpau_decoder_select="vdpau h264_decoder"
1336 iac_decoder_select="fft mdct sinewin"
1337 imc_decoder_select="fft mdct sinewin"
1338 jpegls_decoder_select="golomb"
1339 jpegls_encoder_select="golomb"
1340 ljpeg_encoder_select="aandct"
1341 loco_decoder_select="golomb"
1342 mjpeg_encoder_select="aandct"
1343 mlp_decoder_select="mlp_parser"
1344 mp1_decoder_select="mpegaudiodsp"
1345 mp1float_decoder_select="mpegaudiodsp"
1346 mp2_decoder_select="mpegaudiodsp"
1347 mp2float_decoder_select="mpegaudiodsp"
1348 mp3_decoder_select="mpegaudiodsp"
1349 mp3adu_decoder_select="mpegaudiodsp"
1350 mp3adufloat_decoder_select="mpegaudiodsp"
1351 mp3float_decoder_select="mpegaudiodsp"
1352 mp3on4_decoder_select="mpegaudiodsp"
1353 mp3on4float_decoder_select="mpegaudiodsp"
1354 mpc7_decoder_select="mpegaudiodsp"
1355 mpc8_decoder_select="mpegaudiodsp"
1356 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1357 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1358 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1359 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1360 mpeg1video_encoder_select="aandct"
1361 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1362 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1363 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1364 mpeg2video_encoder_select="aandct"
1365 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1366 mpeg4_encoder_select="h263_encoder"
1367 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1368 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1369 msmpeg4v1_decoder_select="h263_decoder"
1370 msmpeg4v1_encoder_select="h263_encoder"
1371 msmpeg4v2_decoder_select="h263_decoder"
1372 msmpeg4v2_encoder_select="h263_encoder"
1373 msmpeg4v3_decoder_select="h263_decoder"
1374 msmpeg4v3_encoder_select="h263_encoder"
1375 nellymoser_decoder_select="mdct sinewin"
1376 nellymoser_encoder_select="mdct sinewin"
1377 png_decoder_select="zlib"
1378 png_encoder_select="zlib"
1379 qcelp_decoder_select="lsp"
1380 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1381 ra_144_encoder_select="lpc"
1382 ralf_decoder_select="golomb"
1383 rv10_decoder_select="h263_decoder"
1384 rv10_encoder_select="h263_encoder"
1385 rv20_decoder_select="h263_decoder"
1386 rv20_encoder_select="h263_encoder"
1387 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1388 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1389 shorten_decoder_select="golomb"
1390 sipr_decoder_select="lsp"
1391 snow_decoder_select="dwt"
1392 snow_encoder_select="aandct dwt"
1393 svq1_encoder_select="aandct"
1394 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1395 svq3_decoder_suggest="zlib"
1396 theora_decoder_select="vp3_decoder"
1397 tiff_decoder_suggest="zlib"
1398 tiff_encoder_suggest="zlib"
1399 truehd_decoder_select="mlp_decoder"
1400 tscc_decoder_select="zlib"
1401 twinvq_decoder_select="mdct lsp sinewin"
1402 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1403 vc1_dxva2_hwaccel_deps="dxva2api_h"
1404 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1405 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1406 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1407 vc1image_decoder_select="vc1_decoder"
1408 vorbis_decoder_select="mdct"
1409 vorbis_encoder_select="mdct"
1410 vp6_decoder_select="huffman"
1411 vp6a_decoder_select="vp6_decoder"
1412 vp6f_decoder_select="vp6_decoder"
1413 vp8_decoder_select="h264pred h264qpel"
1414 wmapro_decoder_select="mdct sinewin"
1415 wmav1_decoder_select="mdct sinewin"
1416 wmav1_encoder_select="mdct sinewin"
1417 wmav2_decoder_select="mdct sinewin"
1418 wmav2_encoder_select="mdct sinewin"
1419 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1420 wmv1_decoder_select="h263_decoder"
1421 wmv1_encoder_select="h263_encoder"
1422 wmv2_decoder_select="h263_decoder"
1423 wmv2_encoder_select="h263_encoder"
1424 wmv3_decoder_select="vc1_decoder"
1425 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1426 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1427 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1428 wmv3image_decoder_select="wmv3_decoder"
1429 zerocodec_decoder_select="zlib"
1430 zlib_decoder_select="zlib"
1431 zlib_encoder_select="zlib"
1432 zmbv_decoder_select="zlib"
1433 zmbv_encoder_select="zlib"
1434
1435 vaapi_deps="va_va_h"
1436 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1437 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1438
1439 # parsers
1440 h264_parser_select="golomb h264dsp h264pred"
1441
1442 # external libraries
1443 libfaac_encoder_deps="libfaac"
1444 libgsm_decoder_deps="libgsm"
1445 libgsm_encoder_deps="libgsm"
1446 libgsm_ms_decoder_deps="libgsm"
1447 libgsm_ms_encoder_deps="libgsm"
1448 libilbc_decoder_deps="libilbc"
1449 libilbc_encoder_deps="libilbc"
1450 libmp3lame_encoder_deps="libmp3lame"
1451 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1452 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1453 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1454 libopenjpeg_decoder_deps="libopenjpeg"
1455 libschroedinger_decoder_deps="libschroedinger"
1456 libschroedinger_encoder_deps="libschroedinger"
1457 libspeex_decoder_deps="libspeex"
1458 libspeex_encoder_deps="libspeex"
1459 libtheora_encoder_deps="libtheora"
1460 libvo_aacenc_encoder_deps="libvo_aacenc"
1461 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1462 libvorbis_encoder_deps="libvorbis"
1463 libvpx_decoder_deps="libvpx"
1464 libvpx_encoder_deps="libvpx"
1465 libx264_encoder_deps="libx264"
1466 libxavs_encoder_deps="libxavs"
1467 libxvid_encoder_deps="libxvid"
1468
1469 # demuxers / muxers
1470 ac3_demuxer_select="ac3_parser"
1471 asf_stream_muxer_select="asf_muxer"
1472 avisynth_demuxer_deps="avisynth"
1473 dirac_demuxer_select="dirac_parser"
1474 eac3_demuxer_select="ac3_parser"
1475 flac_demuxer_select="flac_parser"
1476 ipod_muxer_select="mov_muxer"
1477 matroska_audio_muxer_select="matroska_muxer"
1478 matroska_demuxer_suggest="zlib bzlib"
1479 mov_demuxer_suggest="zlib"
1480 mp3_demuxer_select="mpegaudio_parser"
1481 mp4_muxer_select="mov_muxer"
1482 mpegts_muxer_select="adts_muxer latm_muxer"
1483 mpegtsraw_demuxer_select="mpegts_demuxer"
1484 mxf_d10_muxer_select="mxf_muxer"
1485 ogg_demuxer_select="golomb"
1486 psp_muxer_select="mov_muxer"
1487 rtp_demuxer_select="sdp_demuxer"
1488 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1489 rtsp_demuxer_select="http_protocol rtpdec"
1490 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1491 sap_demuxer_select="sdp_demuxer"
1492 sap_muxer_select="rtp_muxer rtp_protocol"
1493 sdp_demuxer_select="rtpdec"
1494 spdif_muxer_select="aac_parser"
1495 tg2_muxer_select="mov_muxer"
1496 tgp_muxer_select="mov_muxer"
1497 w64_demuxer_deps="wav_demuxer"
1498
1499 # indevs / outdevs
1500 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1501 alsa_outdev_deps="alsa_asoundlib_h"
1502 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1503 dv1394_indev_deps="dv1394 dv_demuxer"
1504 fbdev_indev_deps="linux_fb_h"
1505 jack_indev_deps="jack_jack_h"
1506 libcdio_indev_deps="libcdio"
1507 libdc1394_indev_deps="libdc1394"
1508 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1509 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1510 pulse_indev_deps="libpulse"
1511 sndio_indev_deps="sndio_h"
1512 sndio_outdev_deps="sndio_h"
1513 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1514 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1515 vfwcap_indev_extralibs="-lavicap32"
1516 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1517
1518 # protocols
1519 gopher_protocol_deps="network"
1520 httpproxy_protocol_deps="network"
1521 httpproxy_protocol_select="tcp_protocol"
1522 http_protocol_deps="network"
1523 http_protocol_select="tcp_protocol"
1524 https_protocol_select="tls_protocol"
1525 librtmp_protocol_deps="librtmp"
1526 librtmpe_protocol_deps="librtmp"
1527 librtmps_protocol_deps="librtmp"
1528 librtmpt_protocol_deps="librtmp"
1529 librtmpte_protocol_deps="librtmp"
1530 mmsh_protocol_select="http_protocol"
1531 mmst_protocol_deps="network"
1532 rtmp_protocol_deps="!librtmp_protocol"
1533 rtmp_protocol_select="tcp_protocol"
1534 rtmphttp_protocol_deps="!librtmp_protocol"
1535 rtmphttp_protocol_select="http_protocol"
1536 rtmpt_protocol_deps="!librtmp_protocol"
1537 rtmpt_protocol_select="rtmphttp_protocol"
1538 rtp_protocol_select="udp_protocol"
1539 sctp_protocol_deps="network netinet_sctp_h"
1540 tcp_protocol_deps="network"
1541 tls_protocol_deps_any="openssl gnutls"
1542 tls_protocol_select="tcp_protocol"
1543 udp_protocol_deps="network"
1544
1545 # filters
1546 blackframe_filter_deps="gpl"
1547 boxblur_filter_deps="gpl"
1548 cropdetect_filter_deps="gpl"
1549 delogo_filter_deps="gpl"
1550 drawtext_filter_deps="libfreetype"
1551 frei0r_filter_deps="frei0r dlopen strtok_r"
1552 frei0r_filter_extralibs='$ldl'
1553 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1554 frei0r_src_filter_extralibs='$ldl'
1555 hqdn3d_filter_deps="gpl"
1556 resample_filter_deps="avresample"
1557 ocv_filter_deps="libopencv"
1558 scale_filter_deps="swscale"
1559 yadif_filter_deps="gpl"
1560
1561 # libraries
1562 avdevice_deps="avcodec avformat"
1563 avformat_deps="avcodec"
1564
1565 # programs
1566 avconv_deps="avcodec avfilter avformat avresample swscale
1567 aformat_filter asyncts_filter
1568 format_filter fps_filter scale_filter setpts_filter"
1569 avplay_deps="avcodec avformat swscale sdl"
1570 avplay_select="rdft"
1571 avprobe_deps="avcodec avformat"
1572 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1573 avserver_extralibs='$ldl'
1574
1575 doc_deps="texi2html"
1576
1577 # tests
1578
1579 test_deps(){
1580 suf1=$1
1581 suf2=$2
1582 shift 2
1583 for v; do
1584 dep=${v%=*}
1585 tests=${v#*=}
1586 for name in ${tests}; do
1587 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1588 done
1589 done
1590 }
1591
1592 mxf_d10_test_deps="avfilter"
1593 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1594
1595 test_deps _muxer _demuxer \
1596 aiff \
1597 pcm_alaw=alaw \
1598 asf \
1599 au \
1600 avi \
1601 dv=dv_fmt \
1602 ffm \
1603 flv=flv_fmt \
1604 gxf \
1605 matroska=mkv \
1606 mmf \
1607 mov \
1608 pcm_mulaw=mulaw \
1609 mxf="mxf mxf_d10" \
1610 nut \
1611 ogg \
1612 rawvideo=pixfmt \
1613 rm \
1614 swf \
1615 mpegts=ts \
1616 voc \
1617 wav \
1618 yuv4mpegpipe=yuv4mpeg \
1619
1620 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1621
1622 # default parameters
1623
1624 logfile="config.log"
1625
1626 # installation paths
1627 prefix_default="/usr/local"
1628 bindir_default='${prefix}/bin'
1629 datadir_default='${prefix}/share/avconv'
1630 incdir_default='${prefix}/include'
1631 libdir_default='${prefix}/lib'
1632 mandir_default='${prefix}/share/man'
1633 shlibdir_default="$libdir_default"
1634
1635 # toolchain
1636 ar_default="ar"
1637 cc_default="gcc"
1638 cc_version=\"unknown\"
1639 host_cc_default="gcc"
1640 ln_s="ln -sf"
1641 nm_default="nm"
1642 objformat="elf"
1643 pkg_config_default=pkg-config
1644 ranlib="ranlib"
1645 yasmexe="yasm"
1646
1647 nm_opts='-g'
1648 nogas=":"
1649
1650 # machine
1651 arch_default=$(uname -m)
1652 cpu="generic"
1653
1654 # OS
1655 target_os_default=$(tolower $(uname -s))
1656 host_os=$target_os_default
1657
1658 # configurable options
1659 enable $PROGRAM_LIST
1660
1661 enable avcodec
1662 enable avdevice
1663 enable avfilter
1664 enable avformat
1665 enable avresample
1666 enable avutil
1667 enable swscale
1668
1669 enable asm
1670 enable debug
1671 enable doc
1672 enable fastdiv
1673 enable network
1674 enable optimizations
1675 enable safe_bitstream_reader
1676 enable static
1677 enable swscale_alpha
1678
1679 # build settings
1680 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1681 AVSERVERLDFLAGS=-Wl,-E
1682 LIBPREF="lib"
1683 LIBSUF=".a"
1684 FULLNAME='$(NAME)$(BUILDSUF)'
1685 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1686 SLIBPREF="lib"
1687 SLIBSUF=".so"
1688 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1689 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1690 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1691 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1692 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1693 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1694
1695 AS_O='-o $@'
1696 CC_O='-o $@'
1697
1698 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1699 host_libs='-lm'
1700
1701 target_path='$(CURDIR)'
1702
1703 # since the object filename is not given with the -MM flag, the compiler
1704 # is only able to print the basename, and we must add the path ourselves
1705 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1706 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1707
1708 # find source path
1709 if test -f configure; then
1710 source_path=.
1711 else
1712 source_path=$(cd $(dirname "$0"); pwd)
1713 echo "$source_path" | grep -q '[[:blank:]]' &&
1714 die "Out of tree builds are impossible with whitespace in source path."
1715 test -e "$source_path/config.h" &&
1716 die "Out of tree builds are impossible with config.h in source dir."
1717 fi
1718
1719 for v in "$@"; do
1720 r=${v#*=}
1721 l=${v%"$r"}
1722 r=$(sh_quote "$r")
1723 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1724 done
1725
1726 find_things(){
1727 thing=$1
1728 pattern=$2
1729 file=$source_path/$3
1730 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1731 }
1732
1733 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1734 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1735 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1736 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1737 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1738 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1739 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1740 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1741 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1742 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1743 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1744
1745 ALL_COMPONENTS="
1746 $BSF_LIST
1747 $DECODER_LIST
1748 $DEMUXER_LIST
1749 $ENCODER_LIST
1750 $FILTER_LIST
1751 $HWACCEL_LIST
1752 $INDEV_LIST
1753 $MUXER_LIST
1754 $OUTDEV_LIST
1755 $PARSER_LIST
1756 $PROTOCOL_LIST
1757 "
1758
1759 find_tests(){
1760 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1761 }
1762
1763 LAVF_TESTS=$(find_tests lavf)
1764 LAVFI_TESTS=$(find_tests lavfi)
1765 SEEK_TESTS=$(find_tests seek seek_)
1766
1767 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1768
1769 for n in $COMPONENT_LIST; do
1770 v=$(toupper ${n%s})_LIST
1771 eval enable \$$v
1772 eval ${n}_if_any="\$$v"
1773 done
1774
1775 enable $ARCH_EXT_LIST $ALL_TESTS
1776
1777 die_unknown(){
1778 echo "Unknown option \"$1\"."
1779 echo "See $0 --help for available options."
1780 exit 1
1781 }
1782
1783 show_list() {
1784 suffix=_$1
1785 shift
1786 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1787 exit 0
1788 }
1789
1790 for opt do
1791 optval="${opt#*=}"
1792 case "$opt" in
1793 --extra-ldflags=*) add_ldflags $optval
1794 ;;
1795 --extra-libs=*) add_extralibs $optval
1796 ;;
1797 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1798 ;;
1799 --enable-debug=*) debuglevel="$optval"
1800 ;;
1801 --disable-everything)
1802 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1803 ;;
1804 --enable-*=*|--disable-*=*)
1805 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1806 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1807 eval list=\$$(toupper $thing)_LIST
1808 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1809 $action $(filter "$name" $list)
1810 ;;
1811 --enable-?*|--disable-?*)
1812 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1813 if is_in $option $COMPONENT_LIST; then
1814 test $action = disable && action=unset
1815 eval $action \$$(toupper ${option%s})_LIST
1816 elif is_in $option $CMDLINE_SELECT; then
1817 $action $option
1818 else
1819 die_unknown $opt
1820 fi
1821 ;;
1822 --list-*)
1823 NAME="${opt#--list-}"
1824 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1825 NAME=${NAME%s}
1826 eval show_list $NAME \$$(toupper $NAME)_LIST
1827 ;;
1828 --help|-h) show_help
1829 ;;
1830 *)
1831 optname="${opt%%=*}"
1832 optname="${optname#--}"
1833 optname=$(echo "$optname" | sed 's/-/_/g')
1834 if is_in $optname $CMDLINE_SET; then
1835 eval $optname='$optval'
1836 elif is_in $optname $CMDLINE_APPEND; then
1837 append $optname "$optval"
1838 else
1839 die_unknown $opt
1840 fi
1841 ;;
1842 esac
1843 done
1844
1845 disabled logging && logfile=/dev/null
1846
1847 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1848 set >> $logfile
1849
1850 test -n "$cross_prefix" && enable cross_compile
1851
1852 if enabled cross_compile; then
1853 test -n "$arch" && test -n "$target_os" ||
1854 die "Must specify target arch and OS when cross-compiling"
1855 fi
1856
1857 set_default arch target_os
1858
1859 ar_default="${cross_prefix}${ar_default}"
1860 cc_default="${cross_prefix}${cc_default}"
1861 nm_default="${cross_prefix}${nm_default}"
1862 pkg_config_default="${cross_prefix}${pkg_config_default}"
1863 ranlib="${cross_prefix}${ranlib}"
1864
1865 sysinclude_default="${sysroot}/usr/include"
1866
1867 set_default cc nm pkg_config sysinclude
1868 enabled cross_compile || host_cc_default=$cc
1869 set_default host_cc
1870
1871 if ! $pkg_config --version >/dev/null 2>&1; then
1872 warn "$pkg_config not found, library detection may fail."
1873 pkg_config=false
1874 fi
1875
1876 exesuf() {
1877 case $1 in
1878 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1879 esac
1880 }
1881
1882 EXESUF=$(exesuf $target_os)
1883 HOSTEXESUF=$(exesuf $host_os)
1884
1885 # set temporary file name
1886 : ${TMPDIR:=$TEMPDIR}
1887 : ${TMPDIR:=$TMP}
1888 : ${TMPDIR:=/tmp}
1889
1890 if ! check_cmd mktemp -u XXXXXX; then
1891 # simple replacement for missing mktemp
1892 # NOT SAFE FOR GENERAL USE
1893 mktemp(){
1894 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1895 }
1896 fi
1897
1898 tmpfile(){
1899 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1900 (set -C; exec > $tmp) 2>/dev/null ||
1901 die "Unable to create temporary file in $TMPDIR."
1902 append TMPFILES $tmp
1903 eval $1=$tmp
1904 }
1905
1906 trap 'rm -f -- $TMPFILES' EXIT
1907
1908 tmpfile TMPASM .asm
1909 tmpfile TMPC .c
1910 tmpfile TMPE $EXESUF
1911 tmpfile TMPH .h
1912 tmpfile TMPO .o
1913 tmpfile TMPS .S
1914 tmpfile TMPSH .sh
1915 tmpfile TMPV .ver
1916
1917 unset -f mktemp
1918
1919 chmod +x $TMPE
1920
1921 # make sure we can execute files in $TMPDIR
1922 cat > $TMPSH 2>> $logfile <<EOF
1923 #! /bin/sh
1924 EOF
1925 chmod +x $TMPSH >> $logfile 2>&1
1926 if ! $TMPSH >> $logfile 2>&1; then
1927 cat <<EOF
1928 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1929 variable to another directory and make sure that it is not mounted noexec.
1930 EOF
1931 die "Sanity test failed."
1932 fi
1933
1934 filter_asflags=echo
1935 filter_cflags=echo
1936 filter_cppflags=echo
1937
1938 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1939 cc_type=llvm_gcc
1940 cc_version=__VERSION__
1941 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1942 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1943 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1944 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1945 speed_cflags='-O3'
1946 size_cflags='-Os'
1947 elif $cc -v 2>&1 | grep -qi ^gcc; then
1948 cc_type=gcc
1949 cc_version=__VERSION__
1950 gcc_version=$($cc --version | head -n1)
1951 gcc_basever=$($cc -dumpversion)
1952 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1953 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1954 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1955 if ! $cc -dumpversion | grep -q '^2\.'; then
1956 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1957 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1958 fi
1959 speed_cflags='-O3'
1960 size_cflags='-Os'
1961 elif $cc --version 2>/dev/null | grep -q Intel; then
1962 cc_type=icc
1963 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1964 cc_ident=$($cc --version | head -n1)
1965 icc_version=$($cc -dumpversion)
1966 CC_DEPFLAGS='-MMD'
1967 AS_DEPFLAGS='-MMD'
1968 speed_cflags='-O3'
1969 size_cflags='-Os'
1970 noopt_cflags='-O1'
1971 elif $cc -v 2>&1 | grep -q xlc; then
1972 cc_type=xlc
1973 cc_version="AV_STRINGIFY(__IBMC__)"
1974 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1975 speed_cflags='-O5'
1976 size_cflags='-O5 -qcompact'
1977 elif $cc -V 2>/dev/null | grep -q Compaq; then
1978 cc_type=ccc
1979 cc_version="AV_STRINGIFY(__DECC_VER)"
1980 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1981 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1982 debuglevel=3
1983 add_ldflags -Wl,-z,now # calls to libots crash without this
1984 speed_cflags='-fast'
1985 size_cflags='-O1'
1986 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1987 test -d "$sysroot" || die "No valid sysroot specified."
1988 cc_type=armcc
1989 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1990 cc_ident=$($cc --vsn | head -n1)
1991 armcc_conf="$PWD/armcc.conf"
1992 $cc --arm_linux_configure \
1993 --arm_linux_config_file="$armcc_conf" \
1994 --configure_sysroot="$sysroot" \
1995 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1996 die "Error creating armcc configuration file."
1997 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1998 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1999 as_default="${cross_prefix}gcc"
2000 CC_DEPFLAGS='-MMD'
2001 AS_DEPFLAGS='-MMD'
2002 speed_cflags='-O3'
2003 size_cflags='-Os'
2004 filter_asflags="filter_out -W${armcc_opt}*"
2005 elif $cc -version 2>/dev/null | grep -q TMS470; then
2006 cc_type=tms470
2007 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2008 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2009 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2010 CC_O='-fr=$(@D)'
2011 as_default="${cross_prefix}gcc"
2012 ld_default="${cross_prefix}gcc"
2013 TMPO=$(basename $TMPC .c).o
2014 append TMPFILES $TMPO
2015 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2016 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2017 AS_DEPFLAGS='-MMD'
2018 speed_cflags='-O3 -mf=5'
2019 size_cflags='-O3 -mf=2'
2020 filter_cflags=tms470_flags
2021 tms470_flags(){
2022 for flag; do
2023 case $flag in
2024 -march=*|-mcpu=*)
2025 case "${flag#*=}" in
2026 armv7-a|cortex-a*) echo -mv=7a8 ;;
2027 armv7-r|cortex-r*) echo -mv=7r4 ;;
2028 armv7-m|cortex-m*) echo -mv=7m3 ;;
2029 armv6*|arm11*) echo -mv=6 ;;
2030 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2031 echo -mv=5e ;;
2032 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2033 esac
2034 ;;
2035 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2036 -mfpu=vfp) echo --float_support=vfpv2 ;;
2037 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2038 -msoft-float) echo --float_support=vfplib ;;
2039 -O[0-3]|-mf=*) echo $flag ;;
2040 -g) echo -g -mn ;;
2041 -pds=*) echo $flag ;;
2042 esac
2043 done
2044 }
2045 elif $cc -v 2>&1 | grep -q clang; then
2046 cc_type=clang
2047 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2048 cc_version=__clang_version__ || cc_version=__VERSION__
2049 cc_ident=$($cc --version | head -n1)
2050 CC_DEPFLAGS='-MMD'
2051 AS_DEPFLAGS='-MMD'
2052 speed_cflags='-O3'
2053 size_cflags='-Os'
2054 elif $cc -V 2>&1 | grep -q Sun; then
2055 cc_type=suncc
2056 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2057 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2058 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2059 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2060 add_ldflags -xc99
2061 speed_cflags='-O5'
2062 size_cflags='-O5 -xspace'
2063 filter_cflags=suncc_flags
2064 suncc_flags(){
2065 for flag; do
2066 case $flag in
2067 -march=*|-mcpu=*)
2068 case "${flag#*=}" in
2069 native) echo -xtarget=native ;;
2070 v9|niagara) echo -xarch=sparc ;;
2071 ultrasparc) echo -xarch=sparcvis ;;
2072 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2073 i586|pentium) echo -xchip=pentium ;;
2074 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2075 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2076 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2077 pentium4*) echo -xtarget=pentium4 ;;
2078 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2079 *-sse3) echo -xarch=sse3 ;;
2080 core2) echo -xarch=ssse3 -xchip=core2 ;;
2081 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2082 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2083 k8|opteron|athlon64|athlon-fx)
2084 echo -xarch=sse2a ;;
2085 athlon*) echo -xarch=pentium_proa ;;
2086 esac
2087 ;;
2088 -std=c99) echo -xc99 ;;
2089 -fomit-frame-pointer) echo -xregs=frameptr ;;
2090 -fPIC) echo -KPIC -xcode=pic32 ;;
2091 -W*,*) echo $flag ;;
2092 -f*-*|-W*) ;;
2093 *) echo $flag ;;
2094 esac
2095 done
2096 }
2097 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2098 cc_type=pathscale
2099 cc_version=__PATHSCALE__
2100 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2101 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2102 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2103 speed_cflags='-O2'
2104 size_cflags='-Os'
2105 filter_cflags='filter_out -Wdisabled-optimization'
2106 elif $cc -v 2>&1 | grep -q Open64; then
2107 cc_type=open64
2108 cc_version=__OPEN64__
2109 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2110 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2111 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2112 speed_cflags='-O2'
2113 size_cflags='-Os'
2114 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2115 elif $cc -V 2>&1 | grep -q Portland; then
2116 cc_type=pgi
2117 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2118 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2119 opt_common='-alias=ansi -Mlre -Mpre'
2120 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2121 size_cflags="-O2 -Munroll=c:1 $opt_common"
2122 noopt_cflags="-O1"
2123 filter_cflags=pgi_flags
2124 pgi_flags(){
2125 for flag; do
2126 case $flag in
2127 -fomit-frame-pointer) echo -Mnoframe ;;
2128 -g) echo -gopt ;;
2129 *) echo $flag ;;
2130 esac
2131 done
2132 }
2133 fi
2134
2135 test -n "$cc_type" && enable $cc_type ||
2136 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2137
2138 : ${as_default:=$cc}
2139 : ${dep_cc_default:=$cc}
2140 : ${ld_default:=$cc}
2141 set_default ar as dep_cc ld
2142
2143 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2144 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2145
2146 add_cflags $extra_cflags
2147 add_asflags $extra_cflags
2148
2149 if test -n "$sysroot"; then
2150 case "$cc_type" in
2151 gcc|llvm_gcc|clang)
2152 add_cppflags --sysroot="$sysroot"
2153 add_ldflags --sysroot="$sysroot"
2154 ;;
2155 tms470)
2156 add_cppflags -I"$sysinclude"
2157 add_ldflags --sysroot="$sysroot"
2158 ;;
2159 esac
2160 fi
2161
2162 if test "$cpu" = host; then
2163 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2164
2165 case "$cc_type" in
2166 gcc|llvm_gcc)
2167 check_native(){
2168 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2169 sed -n "/cc1.*$1=/{
2170 s/.*$1=\\([^ ]*\\).*/\\1/
2171 p
2172 q
2173 }" $TMPE
2174 }
2175 cpu=$(check_native -march || check_native -mcpu)
2176 ;;
2177 esac
2178
2179 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2180 fi
2181
2182 # Deal with common $arch aliases
2183 case "$arch" in
2184 arm*)
2185 arch="arm"
2186 ;;
2187 mips|mipsel|IP*)
2188 arch="mips"
2189 ;;
2190 mips64*)
2191 arch="mips"
2192 subarch="mips64"
2193 ;;
2194 parisc|hppa)
2195 arch="parisc"
2196 ;;
2197 parisc64|hppa64)
2198 arch="parisc"
2199 subarch="parisc64"
2200 ;;
2201 "Power Macintosh"|ppc|powerpc)
2202 arch="ppc"
2203 ;;
2204 ppc64|powerpc64)
2205 arch="ppc"
2206 subarch="ppc64"
2207 ;;
2208 s390|s390x)
2209 arch="s390"
2210 ;;
2211 sh4|sh)
2212 arch="sh4"
2213 ;;
2214 sun4u|sparc64)
2215 arch="sparc"
2216 subarch="sparc64"
2217 ;;
2218 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2219 arch="x86"
2220 ;;
2221 esac
2222
2223 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2224 enable $arch
2225
2226 # Add processor-specific flags
2227 if test "$cpu" = generic; then
2228 : do nothing
2229 elif enabled ppc; then
2230
2231 case $(tolower $cpu) in
2232 601|ppc601|powerpc601)
2233 cpuflags="-mcpu=601"
2234 disable altivec
2235 ;;
2236 603*|ppc603*|powerpc603*)
2237 cpuflags="-mcpu=603"
2238 disable altivec
2239 ;;
2240 604*|ppc604*|powerpc604*)
2241 cpuflags="-mcpu=604"
2242 disable altivec
2243 ;;
2244 g3|75*|ppc75*|powerpc75*)
2245 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2246 disable altivec
2247 ;;
2248 g4|745*|ppc745*|powerpc745*)
2249 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2250 ;;
2251 74*|ppc74*|powerpc74*)
2252 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2253 ;;
2254 g5|970|ppc970|powerpc970)
2255 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2256 ;;
2257 power[3-7]*)
2258 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2259 ;;
2260 cell)
2261 cpuflags="-mcpu=cell"
2262 enable ldbrx
2263 ;;
2264 e500v2)
2265 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2266 disable altivec
2267 ;;
2268 e500)
2269 cpuflags="-mcpu=8540 -mhard-float"
2270 disable altivec
2271 ;;
2272 esac
2273
2274 elif enabled x86; then
2275
2276 case $cpu in
2277 i[345]86|pentium)
2278 cpuflags="-march=$cpu"
2279 disable mmx
2280 ;;
2281 # targets that do NOT support conditional mov (cmov)
2282 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2283 cpuflags="-march=$cpu"
2284 disable cmov
2285 ;;
2286 # targets that do support conditional mov (cmov)
2287 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2288 cpuflags="-march=$cpu"
2289 enable cmov
2290 enable fast_cmov
2291 ;;
2292 # targets that do support conditional mov but on which it's slow
2293 pentium4|pentium4m|prescott|nocona)
2294 cpuflags="-march=$cpu"
2295 enable cmov
2296 disable fast_cmov
2297 ;;
2298 esac
2299
2300 elif enabled sparc; then
2301
2302 case $cpu in
2303 niagara)
2304 cpuflags="-mcpu=$cpu"
2305 disable vis
2306 ;;
2307 sparc64)
2308 cpuflags="-mcpu=v9"
2309 ;;
2310 esac
2311
2312 elif enabled arm; then
2313
2314 case $cpu in
2315 armv*)
2316 cpuflags="-march=$cpu"
2317 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2318 ;;
2319 *)
2320 cpuflags="-mcpu=$cpu"
2321 case $cpu in
2322 cortex-a*) subarch=armv7a ;;
2323 cortex-r*) subarch=armv7r ;;
2324 cortex-m*) enable thumb; subarch=armv7m ;;
2325 arm11*) subarch=armv6 ;;
2326 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2327 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2328 esac
2329 ;;
2330 esac
2331
2332 elif enabled alpha; then
2333
2334 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2335
2336 elif enabled bfin; then
2337
2338 cpuflags="-mcpu=$cpu"
2339
2340 elif enabled mips; then
2341
2342 cpuflags="-march=$cpu"
2343
2344 elif enabled avr32; then
2345
2346 case $cpu in
2347 ap7[02]0[0-2])
2348 subarch="avr32_ap"
2349 cpuflags="-mpart=$cpu"
2350 ;;
2351 ap)
2352 subarch="avr32_ap"
2353 cpuflags="-march=$cpu"
2354 ;;
2355 uc3[ab]*)
2356 subarch="avr32_uc"
2357 cpuflags="-mcpu=$cpu"
2358 ;;
2359 uc)
2360 subarch="avr32_uc"
2361 cpuflags="-march=$cpu"
2362 ;;
2363 esac
2364
2365 fi
2366
2367 add_cflags $cpuflags
2368 add_asflags $cpuflags
2369
2370 # compiler sanity check
2371 check_exec <<EOF
2372 int main(void){ return 0; }
2373 EOF
2374 if test "$?" != 0; then
2375 echo "$cc is unable to create an executable file."
2376 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2377 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2378 echo "Only do this if you know what cross compiling means."
2379 fi
2380 die "C compiler test failed."
2381 fi
2382
2383 add_cppflags -D_ISOC99_SOURCE
2384 check_cflags -std=c99
2385 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2386 #include <stdlib.h>
2387 EOF
2388 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2389 #include <stdlib.h>
2390 EOF
2391
2392 check_host_cflags -std=c99
2393 check_host_cflags -Wall
2394
2395 case "$arch" in
2396 alpha|ia64|mips|parisc|sparc)
2397 spic=$shared
2398 ;;
2399 x86)
2400 subarch="x86_32"
2401 check_cc <<EOF && subarch="x86_64"
2402 int test[(int)sizeof(char*) - 7];
2403 EOF
2404 if test "$subarch" = "x86_64"; then
2405 spic=$shared
2406 fi
2407 ;;
2408 esac
2409
2410 enable $subarch
2411 enabled spic && enable pic
2412
2413 # OS specific
2414 case $target_os in
2415 haiku)
2416 prefix_default="/boot/common"
2417 network_extralibs="-lnetwork"
2418 host_libs=
2419 ;;
2420 sunos)
2421 AVSERVERLDFLAGS=""
2422 SHFLAGS='-shared -Wl,-h,$$(@F)'
2423 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2424 network_extralibs="-lsocket -lnsl"
2425 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2426 # When using suncc to build, the Solaris linker will mark
2427 # an executable with each instruction set encountered by
2428 # the Solaris assembler. As our libraries contain their own
2429 # guards for processor-specific code, instead suppress
2430 # generation of the HWCAPS ELF section on Solaris x86 only.
2431 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2432 nm_opts='-P -g'
2433 ;;
2434 netbsd)
2435 disable symver
2436 oss_indev_extralibs="-lossaudio"
2437 oss_outdev_extralibs="-lossaudio"
2438 ;;
2439 openbsd)
2440 # On OpenBSD 4.5. the compiler does not use PIC unless
2441 # explicitly using -fPIC. Libav builds fine without PIC,
2442 # however the generated executable will not do anything
2443 # (simply quits with exit-code 1, no crash, no output).
2444 # Thus explicitly enable PIC here.
2445 enable pic
2446 disable symver
2447 SHFLAGS='-shared'
2448 oss_indev_extralibs="-lossaudio"
2449 oss_outdev_extralibs="-lossaudio"
2450 ;;
2451 dragonfly)
2452 disable symver
2453 ;;
2454 freebsd)
2455 ;;
2456 bsd/os)
2457 add_extralibs -lpoll -lgnugetopt
2458 ;;
2459 darwin)
2460 gas="gas-preprocessor.pl $cc"
2461 enabled ppc && add_asflags -force_cpusubtype_ALL
2462 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2463 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2464 add_ldflags -Wl,-dynamic,-search_paths_first
2465 SLIBSUF=".dylib"
2466 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2467 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2468 AVSERVERLDFLAGS=-Wl,-bind_at_load
2469 objformat="macho"
2470 enabled x86_64 && objformat="macho64"
2471 enabled_any pic shared ||
2472 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2473 ;;
2474 mingw32*)
2475 if test $target_os = "mingw32ce"; then
2476 disable network
2477 else
2478 target_os=mingw32
2479 fi
2480 LIBTARGET=i386
2481 if enabled x86_64; then
2482 LIBTARGET="i386:x86-64"
2483 elif enabled arm; then
2484 LIBTARGET=arm-wince
2485 fi
2486 shlibdir_default="$bindir_default"
2487 SLIBPREF=""
2488 SLIBSUF=".dll"
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2491 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2492 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_LINKS=
2494 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2495 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2496 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'
2497 objformat="win32"
2498 dlltool="${cross_prefix}dlltool"
2499 enable dos_paths
2500 check_cflags -fno-common
2501 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2502 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2503 die "ERROR: MinGW runtime version must be >= 3.15."
2504 add_cppflags -U__STRICT_ANSI__
2505 ;;
2506 cygwin*)
2507 target_os=cygwin
2508 shlibdir_default="$bindir_default"
2509 SLIBPREF="cyg"
2510 SLIBSUF=".dll"
2511 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2512 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2513 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2514 objformat="win32"
2515 enable dos_paths
2516 check_cflags -fno-common
2517 add_cppflags -U__STRICT_ANSI__
2518 ;;
2519 *-dos|freedos|opendos)
2520 network_extralibs="-lsocket"
2521 objformat="coff"
2522 enable dos_paths
2523 add_cppflags -U__STRICT_ANSI__
2524 ;;
2525 linux)
2526 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2527 enable dv1394
2528 ;;
2529 irix*)
2530 target_os=irix
2531 ranlib="echo ignoring ranlib"
2532 ;;
2533 os/2*)
2534 ln_s="cp -f"
2535 objformat="aout"
2536 add_cppflags -D_GNU_SOURCE
2537 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2538 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2539 AVSERVERLDFLAGS=""
2540 LIBSUF="_s.a"
2541 SLIBPREF=""
2542 SLIBSUF=".dll"
2543 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2544 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2545 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2546 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2547 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2548 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2549 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2550 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2551 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2552 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2553 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2554 enable dos_paths
2555 ;;
2556 gnu/kfreebsd)
2557 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2558 ;;
2559 gnu)
2560 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2561 ;;
2562 qnx)
2563 add_cppflags -D_QNX_SOURCE
2564 network_extralibs="-lsocket"
2565 ;;
2566 symbian)
2567 SLIBSUF=".dll"
2568 enable dos_paths
2569 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2570 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2571 add_ldflags -Wl,--target1-abs,--no-undefined \
2572 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2573 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2574 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2575 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2576 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2577 ;;
2578 none)
2579 ;;
2580 *)
2581 die "Unknown OS '$target_os'."
2582 ;;
2583 esac
2584
2585 esc(){
2586 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2587 }
2588
2589 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2590
2591 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2592
2593 set_default $PATHS_LIST
2594
2595 # we need to build at least one lib type
2596 if ! enabled_any static shared; then
2597 cat <<EOF
2598 At least one library type must be built.
2599 Specify --enable-static to build the static libraries or --enable-shared to
2600 build the shared libraries as well. To only build the shared libraries specify
2601 --disable-static in addition to --enable-shared.
2602 EOF
2603 exit 1;
2604 fi
2605
2606 die_license_disabled() {
2607 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2608 }
2609
2610 die_license_disabled gpl libcdio
2611 die_license_disabled gpl libx264
2612 die_license_disabled gpl libxavs
2613 die_license_disabled gpl libxvid
2614 die_license_disabled gpl x11grab
2615
2616 die_license_disabled nonfree libfaac
2617 die_license_disabled nonfree openssl
2618
2619 die_license_disabled version3 libopencore_amrnb
2620 die_license_disabled version3 libopencore_amrwb
2621 die_license_disabled version3 libvo_aacenc
2622 die_license_disabled version3 libvo_amrwbenc
2623
2624 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2625
2626 disabled optimizations || check_cflags -fomit-frame-pointer
2627
2628 enable_pic() {
2629 enable pic
2630 add_cppflags -DPIC
2631 add_cflags -fPIC
2632 add_asflags -fPIC
2633 }
2634
2635 enabled pic && enable_pic
2636
2637 check_cc <<EOF || die "Symbol mangling check failed."
2638 int ff_extern;
2639 EOF
2640 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2641 extern_prefix=${sym%%ff_extern*}
2642
2643 check_cc <<EOF && enable inline_asm
2644 void foo(void) { __asm__ volatile ("" ::); }
2645 EOF
2646
2647 _restrict=
2648 for restrict_keyword in restrict __restrict__ __restrict; do
2649 check_cc <<EOF && _restrict=$restrict_keyword && break
2650 void foo(char * $restrict_keyword p);
2651 EOF
2652 done
2653
2654 check_cc <<EOF && enable attribute_packed
2655 struct { int x; } __attribute__((packed)) x;
2656 EOF
2657
2658 check_cc <<EOF && enable attribute_may_alias
2659 union { int x; } __attribute__((may_alias)) x;
2660 EOF
2661
2662 check_cc <<EOF || die "endian test failed"
2663 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2664 EOF
2665 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2666
2667 if enabled alpha; then
2668
2669 check_cflags -mieee
2670
2671 elif enabled arm; then
2672
2673 enabled thumb && check_cflags -mthumb || check_cflags -marm
2674 nogas=die
2675
2676 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2677 enable vfp_args
2678 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2679 case "${cross_prefix:-$cc}" in
2680 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2681 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2682 __asm__ (".eabi_attribute 28, 1");
2683 int main(void) { return 0; }
2684 EOF
2685 esac
2686 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2687 fi
2688
2689 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2690 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2691 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2692 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2693 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2694 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2695
2696 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2697
2698 enabled_all armv6t2 shared !pic && enable_pic
2699
2700 elif enabled mips; then
2701
2702 check_asm loongson '"dmult.g $1, $2, $3"'
2703 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2704
2705 elif enabled ppc; then
2706
2707 enable local_aligned_8 local_aligned_16
2708
2709 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2710 check_asm ibm_asm '"add 0, 0, 0"'
2711 check_asm ppc4xx '"maclhw r10, r11, r12"'
2712 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2713
2714 # AltiVec flags: The FSF version of GCC differs from the Apple version
2715 if enabled altivec; then
2716 nogas=warn
2717 check_cflags -maltivec -mabi=altivec &&
2718 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2719 check_cflags -faltivec
2720
2721 # check if our compiler supports Motorola AltiVec C API
2722 check_cc <<EOF || disable altivec
2723 $inc_altivec_h
2724 int main(void) {
2725 vector signed int v1, v2, v3;
2726 v1 = vec_add(v2,v3);
2727 return 0;
2728 }
2729 EOF
2730
2731 # check if our compiler supports braces for vector declarations
2732 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2733 $inc_altivec_h
2734 int main (void) { (vector int) {1}; return 0; }
2735 EOF
2736 fi
2737
2738 elif enabled sparc; then
2739
2740 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2741 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2742
2743 elif enabled x86; then
2744
2745 enable local_aligned_8 local_aligned_16
2746
2747 # check whether EBP is available on x86
2748 # As 'i' is stored on the stack, this program will crash
2749 # if the base pointer is used to access it because the
2750 # base pointer is cleared in the inline assembly code.
2751 check_exec_crash <<EOF && enable ebp_available
2752 volatile int i=0;
2753 __asm__ volatile (
2754 "xorl %%ebp, %%ebp"
2755 ::: "%ebp");
2756 return i;
2757 EOF
2758
2759 # check whether EBX is available on x86
2760 check_asm ebx_available '""::"b"(0)' &&
2761 check_asm ebx_available '"":::"%ebx"'
2762
2763 # check whether xmm clobbers are supported
2764 check_asm xmm_clobbers '"":::"%xmm0"'
2765
2766 # check whether binutils is new enough to compile SSSE3/MMX2
2767 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2768 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2769
2770 if ! disabled_any asm mmx yasm; then
2771 if check_cmd $yasmexe --version; then
2772 enabled x86_64 && yasm_extra="-m amd64"
2773 yasm_debug="-g dwarf2"
2774 elif check_cmd nasm -v; then
2775 yasmexe=nasm
2776 yasm_debug="-g -F dwarf"
2777 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2778 fi
2779
2780 YASMFLAGS="-f $objformat $yasm_extra"
2781 enabled pic && append YASMFLAGS "-DPIC"
2782 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2783 case "$objformat" in
2784 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2785 esac
2786
2787 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2788 die "yasm not found, use --disable-yasm for a crippled build"
2789 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2790 fi
2791
2792 case "$cpu" in
2793 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2794 disable fast_clz
2795 ;;
2796 esac
2797
2798 fi
2799
2800 if enabled asm; then
2801 as=${gas:=$as}
2802 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2803 $nogas "GNU assembler not found, install gas-preprocessor"
2804 fi
2805
2806 check_ldflags -Wl,--as-needed
2807
2808 if check_func dlopen; then
2809 ldl=
2810 elif check_func dlopen -ldl; then
2811 ldl=-ldl
2812 fi
2813
2814 if enabled network; then
2815 check_type "sys/types.h sys/socket.h" socklen_t
2816 check_type netdb.h "struct addrinfo"
2817 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2818 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
2819 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2820 check_type netinet/in.h "struct sockaddr_in6"
2821 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2822 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2823 check_header netinet/sctp.h
2824 # Prefer arpa/inet.h over winsock2
2825 if check_header arpa/inet.h ; then
2826 check_func closesocket
2827 elif check_header winsock2.h ; then
2828 check_func_headers winsock2.h closesocket -lws2 && \
2829 network_extralibs="-lws2" || \
2830 { check_func_headers winsock2.h closesocket -lws2_32 && \
2831 network_extralibs="-lws2_32"; }
2832 check_type ws2tcpip.h socklen_t
2833 check_type ws2tcpip.h "struct addrinfo"
2834 check_type ws2tcpip.h "struct group_source_req"
2835 check_type ws2tcpip.h "struct ip_mreq_source"
2836 check_type ws2tcpip.h "struct ipv6_mreq"
2837 check_type ws2tcpip.h "struct sockaddr_in6"
2838 check_type ws2tcpip.h "struct sockaddr_storage"
2839 check_struct winsock2.h "struct sockaddr" sa_len
2840 else
2841 disable network
2842 fi
2843 fi
2844
2845 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2846 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2847
2848 check_func fcntl
2849 check_func fork
2850 check_func getaddrinfo $network_extralibs
2851 check_func gethrtime
2852 check_func getrusage
2853 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2854 check_func gettimeofday
2855 check_func inet_aton $network_extralibs
2856 check_func isatty
2857 check_func localtime_r
2858 check_func ${malloc_prefix}memalign && enable memalign
2859 check_func mkstemp
2860 check_func mmap
2861 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2862 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
2863 check_func setrlimit
2864 check_func strerror_r
2865 check_func strptime
2866 check_func strtok_r
2867 check_func sched_getaffinity
2868 check_func sysconf
2869 check_func sysctl
2870 check_func usleep
2871 check_func_headers io.h setmode
2872 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2873 check_func_headers windows.h GetProcessAffinityMask
2874 check_func_headers windows.h GetProcessTimes
2875 check_func_headers windows.h GetSystemTimeAsFileTime
2876 check_func_headers windows.h MapViewOfFile
2877 check_func_headers windows.h Sleep
2878 check_func_headers windows.h VirtualAlloc
2879
2880 check_header dlfcn.h
2881 check_header dxva.h
2882 check_header dxva2api.h
2883 check_header io.h
2884 check_header malloc.h
2885 check_header poll.h
2886 check_header sys/mman.h
2887 check_header sys/param.h
2888 check_header sys/resource.h
2889 check_header sys/select.h
2890 check_header sys/time.h
2891 check_header unistd.h
2892 check_header vdpau/vdpau.h
2893 check_header vdpau/vdpau_x11.h
2894 check_header windows.h
2895 check_header X11/extensions/XvMClib.h
2896
2897 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2898 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2899
2900 if ! disabled w32threads && ! enabled pthreads; then
2901 check_func _beginthreadex && enable w32threads
2902 fi
2903
2904 # check for some common methods of building with pthread support
2905 # do this before the optional library checks as some of them require pthreads
2906 if ! disabled pthreads && ! enabled w32threads; then
2907 enable pthreads
2908 if check_func pthread_create; then
2909 :
2910 elif check_func pthread_create -pthread; then
2911 add_cflags -pthread
2912 add_extralibs -pthread
2913 elif check_func pthread_create -pthreads; then
2914 add_cflags -pthreads
2915 add_extralibs -pthreads
2916 elif check_func pthread_create -lpthreadGC2; then
2917 add_extralibs -lpthreadGC2
2918 elif ! check_lib pthread.h pthread_create -lpthread; then
2919 disable pthreads
2920 fi
2921 fi
2922
2923 for thread in $THREADS_LIST; do
2924 if enabled $thread; then
2925 test -n "$thread_type" &&
2926 die "ERROR: Only one thread type must be selected." ||
2927 thread_type="$thread"
2928 fi
2929 done
2930
2931 check_lib math.h sin -lm && LIBM="-lm"
2932 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2933
2934 check_mathfunc cbrtf
2935 check_mathfunc exp2
2936 check_mathfunc exp2f
2937 check_mathfunc isinf
2938 check_mathfunc isnan
2939 check_mathfunc llrint
2940 check_mathfunc llrintf
2941 check_mathfunc log2
2942 check_mathfunc log2f
2943 check_mathfunc lrint
2944 check_mathfunc lrintf
2945 check_mathfunc round
2946 check_mathfunc roundf
2947 check_mathfunc trunc
2948 check_mathfunc truncf
2949
2950 # these are off by default, so fail if requested and not available
2951 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2952 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2953 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2954 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2955 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2956 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2957 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
2958 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2959 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2960 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2961 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2962 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2963 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2964 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2965 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2966 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2967 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2968 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2969 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2970 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2971 enabled libvpx && {
2972 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2973 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2974 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2975 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2976 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2977 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2978 die "ERROR: libx264 version must be >= 0.118."; }
2979 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2980 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2981 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2982 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2983 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2984 die "ERROR: openssl not found"; }
2985
2986 # libdc1394 check
2987 if enabled libdc1394; then
2988 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2989 enable libdc1394_2; } ||
2990 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2991 enable libdc1394_1; } ||
2992 die "ERROR: No version of libdc1394 found "
2993 fi
2994
2995 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2996 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2997 enable sdl &&
2998 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2999 fi
3000
3001 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3002
3003 check_header linux/fb.h
3004 check_header linux/videodev2.h
3005 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3006
3007 check_header sys/videoio.h
3008
3009 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3010 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3011 # w32api 3.12 had it defined wrong
3012 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3013
3014 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3015 { check_header dev/bktr/ioctl_meteor.h &&
3016 check_header dev/bktr/ioctl_bt848.h; } ||
3017 { check_header machine/ioctl_meteor.h &&
3018 check_header machine/ioctl_bt848.h; } ||
3019 { check_header dev/video/meteor/ioctl_meteor.h &&
3020 check_header dev/video/bktr/ioctl_bt848.h; } ||
3021 check_header dev/ic/bt8xx.h
3022
3023 check_header sndio.h
3024 check_header sys/soundcard.h
3025 check_header soundcard.h
3026
3027 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3028
3029 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3030 check_func jack_port_get_latency_range -ljack
3031
3032 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3033
3034 enabled libcdio &&
3035 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3036
3037 enabled x11grab &&
3038 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3039 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3040 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3041
3042 # check for VDA header
3043 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3044 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3045 fi
3046
3047 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3048 check_cpp_condition \
3049 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3050 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3051 disable vdpau; }
3052 fi
3053
3054 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3055
3056 # add some useful compiler flags if supported
3057 check_cflags -Wdeclaration-after-statement
3058 check_cflags -Wall
3059 check_cflags -Wno-parentheses
3060 check_cflags -Wno-switch
3061 check_cflags -Wno-format-zero-length
3062 check_cflags -Wdisabled-optimization
3063 check_cflags -Wpointer-arith
3064 check_cflags -Wredundant-decls
3065 check_cflags -Wno-pointer-sign
3066 check_cflags -Wcast-qual
3067 check_cflags -Wwrite-strings
3068 check_cflags -Wtype-limits
3069 check_cflags -Wundef
3070 check_cflags -Wmissing-prototypes
3071 check_cflags -Wstrict-prototypes
3072 enabled extra_warnings && check_cflags -Winline
3073
3074 # add some linker flags
3075 check_ldflags -Wl,--warn-common
3076 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3077 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3078
3079 enabled xmm_clobber_test && \
3080 check_ldflags -Wl,--wrap,avcodec_open2 \
3081 -Wl,--wrap,avcodec_decode_audio4 \
3082 -Wl,--wrap,avcodec_decode_video2 \
3083 -Wl,--wrap,avcodec_decode_subtitle2 \
3084 -Wl,--wrap,avcodec_encode_audio2 \
3085 -Wl,--wrap,avcodec_encode_video \
3086 -Wl,--wrap,avcodec_encode_subtitle \
3087 -Wl,--wrap,sws_scale || \
3088 disable xmm_clobber_test
3089
3090 echo "X{};" > $TMPV
3091 if test_ldflags -Wl,--version-script,$TMPV; then
3092 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3093 check_cc <<EOF && enable symver_asm_label
3094 void ff_foo(void) __asm__ ("av_foo@VERSION");
3095 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3096 EOF
3097 check_cc <<EOF && enable symver_gnu_asm
3098 __asm__(".symver ff_foo,av_foo@VERSION");
3099 void ff_foo(void) {}
3100 EOF
3101 fi
3102
3103 if [ -n "$optflags" ]; then
3104 add_cflags $optflags
3105 elif enabled small; then
3106 add_cflags $size_cflags
3107 elif enabled optimizations; then
3108 add_cflags $speed_cflags
3109 else
3110 add_cflags $noopt_cflags
3111 fi
3112 check_cflags -fno-math-errno
3113 check_cflags -fno-signed-zeros
3114
3115 if enabled icc; then
3116 # Just warnings, no remarks
3117 check_cflags -w1
3118 # -wd: Disable following warnings
3119 # 144, 167, 556: -Wno-pointer-sign
3120 # 1292: attribute "foo" ignored
3121 # 1419: external declaration in primary source file
3122 # 10006: ignoring unknown option -fno-signed-zeros
3123 # 10148: ignoring unknown option -Wno-parentheses
3124 # 10156: ignoring option '-W'; no argument required
3125 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3126 # 11030: Warning unknown option --as-needed
3127 # 10156: ignoring option '-export'; no argument required
3128 check_ldflags -wd10156,11030
3129 # Allow to compile with optimizations
3130 check_ldflags -march=$cpu
3131 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3132 enable ebp_available
3133 if enabled x86_32; then
3134 test ${icc_version%%.*} -ge 11 && \
3135 check_cflags -falign-stack=maintain-16-byte || \
3136 disable aligned_stack
3137 fi
3138 elif enabled ccc; then
3139 # disable some annoying warnings
3140 add_cflags -msg_disable cvtu32to64
3141 add_cflags -msg_disable embedcomment
3142 add_cflags -msg_disable needconstext
3143 add_cflags -msg_disable nomainieee
3144 add_cflags -msg_disable ptrmismatch1
3145 add_cflags -msg_disable unreachcode
3146 elif enabled gcc; then
3147 check_cflags -fno-tree-vectorize
3148 check_cflags -Werror=implicit-function-declaration
3149 check_cflags -Werror=missing-prototypes
3150 check_cflags -Werror=declaration-after-statement
3151 elif enabled llvm_gcc; then
3152 check_cflags -mllvm -stack-alignment=16
3153 elif enabled clang; then
3154 check_cflags -mllvm -stack-alignment=16
3155 check_cflags -Qunused-arguments
3156 elif enabled armcc; then
3157 # 2523: use of inline assembler is deprecated
3158 add_cflags -W${armcc_opt},--diag_suppress=2523
3159 add_cflags -W${armcc_opt},--diag_suppress=1207
3160 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3161 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3162 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3163 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3164 elif enabled tms470; then
3165 add_cflags -pds=824 -pds=837
3166 elif enabled pathscale; then
3167 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3168 fi
3169
3170 enabled_any $THREADS_LIST && enable threads
3171
3172 check_deps $CONFIG_LIST \
3173 $CONFIG_EXTRA \
3174 $HAVE_LIST \
3175 $ALL_COMPONENTS \
3176 $ALL_TESTS \
3177
3178 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3179
3180 ! enabled_any memalign posix_memalign aligned_malloc &&
3181 enabled_any $need_memalign && enable memalign_hack
3182
3183 echo "install prefix $prefix"
3184 echo "source path $source_path"
3185 echo "C compiler $cc"
3186 echo "ARCH $arch ($cpu)"
3187 if test "$build_suffix" != ""; then
3188 echo "build suffix $build_suffix"
3189 fi
3190 if test "$extra_version" != ""; then
3191 echo "version string suffix $extra_version"
3192 fi
3193 echo "big-endian ${bigendian-no}"
3194 echo "runtime cpu detection ${runtime_cpudetect-no}"
3195 if enabled x86; then
3196 echo "${yasmexe} ${yasm-no}"
3197 echo "MMX enabled ${mmx-no}"
3198 echo "MMX2 enabled ${mmx2-no}"
3199 echo "3DNow! enabled ${amd3dnow-no}"
3200 echo "3DNow! extended enabled ${amd3dnowext-no}"
3201 echo "SSE enabled ${sse-no}"
3202 echo "SSSE3 enabled ${ssse3-no}"
3203 echo "AVX enabled ${avx-no}"
3204 echo "CMOV enabled ${cmov-no}"
3205 echo "CMOV is fast ${fast_cmov-no}"
3206 echo "EBX available ${ebx_available-no}"
3207 echo "EBP available ${ebp_available-no}"
3208 fi
3209 if enabled arm; then
3210 echo "ARMv5TE enabled ${armv5te-no}"
3211 echo "ARMv6 enabled ${armv6-no}"
3212 echo "ARMv6T2 enabled ${armv6t2-no}"
3213 echo "ARM VFP enabled ${armvfp-no}"
3214 echo "NEON enabled ${neon-no}"
3215 fi
3216 if enabled mips; then
3217 echo "MMI enabled ${mmi-no}"
3218 fi
3219 if enabled ppc; then
3220 echo "AltiVec enabled ${altivec-no}"
3221 echo "PPC 4xx optimizations ${ppc4xx-no}"
3222 echo "dcbzl available ${dcbzl-no}"
3223 fi
3224 if enabled sparc; then
3225 echo "VIS enabled ${vis-no}"
3226 fi
3227 echo "debug symbols ${debug-no}"
3228 echo "optimize for size ${small-no}"
3229 echo "optimizations ${optimizations-no}"
3230 echo "static ${static-no}"
3231 echo "shared ${shared-no}"
3232 echo "new filter support ${avfilter-no}"
3233 echo "network support ${network-no}"
3234 echo "threading support ${thread_type-no}"
3235 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3236 echo "SDL support ${sdl-no}"
3237 echo "libdxva2 enabled ${dxva2-no}"
3238 echo "libva enabled ${vaapi-no}"
3239 echo "libvdpau enabled ${vdpau-no}"
3240 echo "AVISynth enabled ${avisynth-no}"
3241 echo "frei0r enabled ${frei0r-no}"
3242 echo "gnutls enabled ${gnutls-no}"
3243 echo "libcdio support ${libcdio-no}"
3244 echo "libdc1394 support ${libdc1394-no}"
3245 echo "libfaac enabled ${libfaac-no}"
3246 echo "libgsm enabled ${libgsm-no}"
3247 echo "libilbc enabled ${libilbc-no}"
3248 echo "libmp3lame enabled ${libmp3lame-no}"
3249 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3250 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3251 echo "libopencv support ${libopencv-no}"
3252 echo "libopenjpeg enabled ${libopenjpeg-no}"
3253 echo "libpulse enabled ${libpulse-no}"
3254 echo "librtmp enabled ${librtmp-no}"
3255 echo "libschroedinger enabled ${libschroedinger-no}"
3256 echo "libspeex enabled ${libspeex-no}"
3257 echo "libtheora enabled ${libtheora-no}"
3258 echo "libvo-aacenc support ${libvo_aacenc-no}"
3259 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3260 echo "libvorbis enabled ${libvorbis-no}"
3261 echo "libvpx enabled ${libvpx-no}"
3262 echo "libx264 enabled ${libx264-no}"
3263 echo "libxavs enabled ${libxavs-no}"
3264 echo "libxvid enabled ${libxvid-no}"
3265 echo "openssl enabled ${openssl-no}"
3266 echo "zlib enabled ${zlib-no}"
3267 echo "bzlib enabled ${bzlib-no}"
3268 echo
3269
3270 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3271 echo "Enabled ${type}s:"
3272 eval list=\$$(toupper $type)_LIST
3273 print_enabled '_*' $list | sort | pr -r -3 -t
3274 echo
3275 done
3276
3277 license="LGPL version 2.1 or later"
3278 if enabled nonfree; then
3279 license="nonfree and unredistributable"
3280 elif enabled gplv3; then
3281 license="GPL version 3 or later"
3282 elif enabled lgplv3; then
3283 license="LGPL version 3 or later"
3284 elif enabled gpl; then
3285 license="GPL version 2 or later"
3286 fi
3287
3288 echo "License: $license"
3289
3290 echo "Creating config.mak and config.h..."
3291
3292 test -e Makefile || $ln_s "$source_path/Makefile" .
3293
3294 config_files="$TMPH config.mak"
3295
3296 cat > config.mak <<EOF
3297 # Automatically generated by configure - do not modify!
3298 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3299 prefix=$prefix
3300 LIBDIR=\$(DESTDIR)$libdir
3301 SHLIBDIR=\$(DESTDIR)$shlibdir
3302 INCDIR=\$(DESTDIR)$incdir
3303 BINDIR=\$(DESTDIR)$bindir
3304 DATADIR=\$(DESTDIR)$datadir
3305 MANDIR=\$(DESTDIR)$mandir
3306 SRC_PATH=$source_path
3307 CC_IDENT=$cc_ident
3308 ARCH=$arch
3309 CC=$cc
3310 AS=$as
3311 LD=$ld
3312 DEPCC=$dep_cc
3313 YASM=$yasmexe
3314 YASMDEP=$yasmexe
3315 AR=$ar
3316 RANLIB=$ranlib
3317 LN_S=$ln_s
3318 CPPFLAGS=$CPPFLAGS
3319 CFLAGS=$CFLAGS
3320 ASFLAGS=$ASFLAGS
3321 AS_O=$CC_O
3322 CC_O=$CC_O
3323 DLLTOOL=$dlltool
3324 LDFLAGS=$LDFLAGS
3325 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3326 SHFLAGS=$SHFLAGS
3327 YASMFLAGS=$YASMFLAGS
3328 BUILDSUF=$build_suffix
3329 FULLNAME=$FULLNAME
3330 LIBPREF=$LIBPREF
3331 LIBSUF=$LIBSUF
3332 LIBNAME=$LIBNAME
3333 SLIBPREF=$SLIBPREF
3334 SLIBSUF=$SLIBSUF
3335 EXESUF=$EXESUF
3336 EXTRA_VERSION=$extra_version
3337 DEPFLAGS=$DEPFLAGS
3338 CCDEP=$CCDEP
3339 ASDEP=$ASDEP
3340 CC_DEPFLAGS=$CC_DEPFLAGS
3341 AS_DEPFLAGS=$AS_DEPFLAGS
3342 HOSTCC=$host_cc
3343 HOSTCFLAGS=$host_cflags
3344 HOSTEXESUF=$HOSTEXESUF
3345 HOSTLDFLAGS=$host_ldflags
3346 HOSTLIBS=$host_libs
3347 TARGET_EXEC=$target_exec
3348 TARGET_PATH=$target_path
3349 SDL_LIBS=$sdl_libs
3350 SDL_CFLAGS=$sdl_cflags
3351 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3352 EXTRALIBS=$extralibs
3353 INSTALL=install
3354 LIBTARGET=${LIBTARGET}
3355 SLIBNAME=${SLIBNAME}
3356 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3357 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3358 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3359 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3360 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3361 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3362 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3363 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3364 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3365 EOF
3366
3367 get_version(){
3368 name=$1
3369 file=$source_path/$2
3370 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3371 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3372 lcname=$(tolower $name)
3373 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3374 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3375 }
3376
3377 get_version LIBAVCODEC libavcodec/version.h
3378 get_version LIBAVDEVICE libavdevice/avdevice.h
3379 get_version LIBAVFILTER libavfilter/version.h
3380 get_version LIBAVFORMAT libavformat/version.h
3381 get_version LIBAVRESAMPLE libavresample/version.h
3382 get_version LIBAVUTIL libavutil/avutil.h
3383 get_version LIBSWSCALE libswscale/swscale.h
3384
3385 cat > $TMPH <<EOF
3386 /* Automatically generated by configure - do not modify! */
3387 #ifndef LIBAV_CONFIG_H
3388 #define LIBAV_CONFIG_H
3389 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3390 #define LIBAV_LICENSE "$(c_escape $license)"
3391 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3392 #define CC_TYPE "$cc_type"
3393 #define CC_VERSION $cc_version
3394 #define restrict $_restrict
3395 #define EXTERN_PREFIX "${extern_prefix}"
3396 #define EXTERN_ASM ${extern_prefix}
3397 #define SLIBSUF "$SLIBSUF"
3398 EOF
3399
3400 test -n "$malloc_prefix" &&
3401 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3402
3403 if enabled small || disabled optimizations; then
3404 echo "#undef av_always_inline" >> $TMPH
3405 if enabled small; then
3406 echo "#define av_always_inline inline" >> $TMPH
3407 else
3408 echo "#define av_always_inline av_unused" >> $TMPH
3409 fi
3410 fi
3411
3412 if enabled yasm; then
3413 append config_files $TMPASM
3414 printf '' >$TMPASM
3415 fi
3416
3417 print_config ARCH_ "$config_files" $ARCH_LIST
3418 print_config HAVE_ "$config_files" $HAVE_LIST
3419 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3420 $CONFIG_EXTRA \
3421 $ALL_COMPONENTS \
3422
3423 cat >>config.mak <<EOF
3424 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3425 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3426 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3427 EOF
3428
3429 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3430
3431 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3432 cp_if_changed $TMPH config.h
3433 touch .config
3434
3435 enabled yasm && cp_if_changed $TMPASM config.asm
3436
3437 cat > $TMPH <<EOF
3438 /* Generated by ffconf */
3439 #ifndef AVUTIL_AVCONFIG_H
3440 #define AVUTIL_AVCONFIG_H
3441 EOF
3442
3443 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3444
3445 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3446
3447 cp_if_changed $TMPH libavutil/avconfig.h
3448
3449 test -n "$WARNINGS" && printf "\n$WARNINGS"
3450
3451 # build pkg-config files
3452
3453 pkgconfig_generate(){
3454 name=$1
3455 shortname=${name#lib}${build_suffix}
3456 comment=$2
3457 version=$3
3458 libs=$4
3459 requires=$5
3460 enabled ${name#lib} || return 0
3461 mkdir -p $name
3462 cat <<EOF > $name/$name.pc
3463 prefix=$prefix
3464 exec_prefix=\${prefix}
3465 libdir=$libdir
3466 includedir=$incdir
3467
3468 Name: $name
3469 Description: $comment
3470 Version: $version
3471 Requires: $(enabled shared || echo $requires)
3472 Requires.private: $(enabled shared && echo $requires)
3473 Conflicts:
3474 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3475 Libs.private: $(enabled shared && echo $libs)
3476 Cflags: -I\${includedir}
3477 EOF
3478 cat <<EOF > $name/$name-uninstalled.pc
3479 prefix=
3480 exec_prefix=
3481 libdir=\${pcfiledir}
3482 includedir=${source_path}
3483
3484 Name: $name
3485 Description: $comment
3486 Version: $version
3487 Requires: $requires
3488 Conflicts:
3489 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3490 Cflags: -I\${includedir}
3491 EOF
3492 }
3493
3494 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3495 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3496 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3497 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3498 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3499 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3500 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"