9f70a36f7404e82f117907ac2d7f83f85e44ddbd
[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_pollfd
1144 struct_rusage_ru_maxrss
1145 struct_sockaddr_in6
1146 struct_sockaddr_sa_len
1147 struct_sockaddr_storage
1148 struct_v4l2_frmivalenum_discrete
1149 symver
1150 symver_asm_label
1151 symver_gnu_asm
1152 sysconf
1153 sysctl
1154 sys_mman_h
1155 sys_param_h
1156 sys_resource_h
1157 sys_select_h
1158 sys_soundcard_h
1159 sys_time_h
1160 sys_videoio_h
1161 threads
1162 trunc
1163 truncf
1164 unistd_h
1165 usleep
1166 vfp_args
1167 VirtualAlloc
1168 windows_h
1169 winsock2_h
1170 xform_asm
1171 xmm_clobbers
1172 yasm
1173 "
1174
1175 # options emitted with CONFIG_ prefix but not available on command line
1176 CONFIG_EXTRA="
1177 aandct
1178 avutil
1179 golomb
1180 gplv3
1181 h264chroma
1182 h264dsp
1183 h264pred
1184 h264qpel
1185 huffman
1186 lgplv3
1187 lpc
1188 "
1189
1190 CMDLINE_SELECT="
1191 $ARCH_EXT_LIST
1192 $CONFIG_LIST
1193 $THREADS_LIST
1194 asm
1195 cross_compile
1196 debug
1197 extra_warnings
1198 logging
1199 optimizations
1200 symver
1201 yasm
1202 "
1203
1204 PATHS_LIST='
1205 bindir
1206 datadir
1207 incdir
1208 libdir
1209 mandir
1210 prefix
1211 shlibdir
1212 '
1213
1214 CMDLINE_SET="
1215 $PATHS_LIST
1216 ar
1217 arch
1218 as
1219 build_suffix
1220 cc
1221 cpu
1222 cross_prefix
1223 dep_cc
1224 extra_version
1225 host_cc
1226 host_cflags
1227 host_ldflags
1228 host_libs
1229 host_os
1230 ld
1231 logfile
1232 malloc_prefix
1233 nm
1234 optflags
1235 pkg_config
1236 samples
1237 sysinclude
1238 sysroot
1239 target_exec
1240 target_os
1241 target_path
1242 "
1243
1244 CMDLINE_APPEND="
1245 extra_cflags
1246 "
1247
1248 # code dependency declarations
1249
1250 # architecture extensions
1251
1252 armv5te_deps="arm"
1253 armv6_deps="arm"
1254 armv6t2_deps="arm"
1255 armvfp_deps="arm"
1256 neon_deps="arm"
1257 vfpv3_deps="armvfp"
1258
1259 mmi_deps="mips"
1260
1261 altivec_deps="ppc"
1262 ppc4xx_deps="ppc"
1263
1264 vis_deps="sparc"
1265
1266 x86_64_suggest="cmov fast_cmov"
1267 amd3dnow_deps="mmx"
1268 amd3dnowext_deps="amd3dnow"
1269 mmx_deps="x86"
1270 mmx2_deps="mmx"
1271 sse_deps="mmx"
1272 ssse3_deps="sse"
1273 avx_deps="ssse3"
1274
1275 aligned_stack_if_any="ppc x86"
1276 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1277 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1278 fast_unaligned_if_any="armv6 ppc x86"
1279
1280 inline_asm_deps="!tms470"
1281 need_memalign="altivec neon sse"
1282
1283 symver_if_any="symver_asm_label symver_gnu_asm"
1284
1285 # subsystems
1286 dct_select="rdft"
1287 mdct_select="fft"
1288 rdft_select="fft"
1289 mpegaudiodsp_select="dct"
1290
1291 # decoders / encoders / hardware accelerators
1292 aac_decoder_select="mdct sinewin"
1293 aac_encoder_select="mdct sinewin"
1294 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1295 ac3_decoder_select="mdct ac3dsp ac3_parser"
1296 ac3_encoder_select="mdct ac3dsp"
1297 ac3_fixed_encoder_select="mdct ac3dsp"
1298 alac_encoder_select="lpc"
1299 amrnb_decoder_select="lsp"
1300 amrwb_decoder_select="lsp"
1301 atrac1_decoder_select="mdct sinewin"
1302 atrac3_decoder_select="mdct"
1303 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1304 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1305 cavs_decoder_select="golomb"
1306 cook_decoder_select="mdct sinewin"
1307 cscd_decoder_suggest="zlib"
1308 dca_decoder_select="mdct"
1309 dnxhd_encoder_select="aandct"
1310 dxa_decoder_select="zlib"
1311 eac3_decoder_select="ac3_decoder"
1312 eac3_encoder_select="mdct ac3dsp"
1313 eamad_decoder_select="aandct"
1314 eatgq_decoder_select="aandct"
1315 eatqi_decoder_select="aandct"
1316 ffv1_decoder_select="golomb"
1317 flac_decoder_select="golomb"
1318 flac_encoder_select="golomb lpc"
1319 flashsv_decoder_select="zlib"
1320 flashsv_encoder_select="zlib"
1321 flashsv2_decoder_select="zlib"
1322 flv_decoder_select="h263_decoder"
1323 flv_encoder_select="h263_encoder"
1324 fraps_decoder_select="huffman"
1325 h261_encoder_select="aandct"
1326 h263_decoder_select="h263_parser"
1327 h263_encoder_select="aandct"
1328 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1329 h263i_decoder_select="h263_decoder"
1330 h263p_encoder_select="h263_encoder"
1331 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1332 h264_dxva2_hwaccel_deps="dxva2api_h"
1333 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1334 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1335 h264_vda_hwaccel_select="vda h264_decoder"
1336 h264_vdpau_decoder_select="vdpau h264_decoder"
1337 iac_decoder_select="fft mdct sinewin"
1338 imc_decoder_select="fft mdct sinewin"
1339 jpegls_decoder_select="golomb"
1340 jpegls_encoder_select="golomb"
1341 ljpeg_encoder_select="aandct"
1342 loco_decoder_select="golomb"
1343 mjpeg_encoder_select="aandct"
1344 mlp_decoder_select="mlp_parser"
1345 mp1_decoder_select="mpegaudiodsp"
1346 mp1float_decoder_select="mpegaudiodsp"
1347 mp2_decoder_select="mpegaudiodsp"
1348 mp2float_decoder_select="mpegaudiodsp"
1349 mp3_decoder_select="mpegaudiodsp"
1350 mp3adu_decoder_select="mpegaudiodsp"
1351 mp3adufloat_decoder_select="mpegaudiodsp"
1352 mp3float_decoder_select="mpegaudiodsp"
1353 mp3on4_decoder_select="mpegaudiodsp"
1354 mp3on4float_decoder_select="mpegaudiodsp"
1355 mpc7_decoder_select="mpegaudiodsp"
1356 mpc8_decoder_select="mpegaudiodsp"
1357 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1358 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1359 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1360 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1361 mpeg1video_encoder_select="aandct"
1362 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1363 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1364 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1365 mpeg2video_encoder_select="aandct"
1366 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1367 mpeg4_encoder_select="h263_encoder"
1368 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1369 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1370 msmpeg4v1_decoder_select="h263_decoder"
1371 msmpeg4v1_encoder_select="h263_encoder"
1372 msmpeg4v2_decoder_select="h263_decoder"
1373 msmpeg4v2_encoder_select="h263_encoder"
1374 msmpeg4v3_decoder_select="h263_decoder"
1375 msmpeg4v3_encoder_select="h263_encoder"
1376 nellymoser_decoder_select="mdct sinewin"
1377 nellymoser_encoder_select="mdct sinewin"
1378 png_decoder_select="zlib"
1379 png_encoder_select="zlib"
1380 qcelp_decoder_select="lsp"
1381 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1382 ra_144_encoder_select="lpc"
1383 ralf_decoder_select="golomb"
1384 rv10_decoder_select="h263_decoder"
1385 rv10_encoder_select="h263_encoder"
1386 rv20_decoder_select="h263_decoder"
1387 rv20_encoder_select="h263_encoder"
1388 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1389 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1390 shorten_decoder_select="golomb"
1391 sipr_decoder_select="lsp"
1392 snow_decoder_select="dwt"
1393 snow_encoder_select="aandct dwt"
1394 svq1_encoder_select="aandct"
1395 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1396 svq3_decoder_suggest="zlib"
1397 theora_decoder_select="vp3_decoder"
1398 tiff_decoder_suggest="zlib"
1399 tiff_encoder_suggest="zlib"
1400 truehd_decoder_select="mlp_decoder"
1401 tscc_decoder_select="zlib"
1402 twinvq_decoder_select="mdct lsp sinewin"
1403 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1404 vc1_dxva2_hwaccel_deps="dxva2api_h"
1405 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1406 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1407 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1408 vc1image_decoder_select="vc1_decoder"
1409 vorbis_decoder_select="mdct"
1410 vorbis_encoder_select="mdct"
1411 vp6_decoder_select="huffman"
1412 vp6a_decoder_select="vp6_decoder"
1413 vp6f_decoder_select="vp6_decoder"
1414 vp8_decoder_select="h264pred h264qpel"
1415 wmapro_decoder_select="mdct sinewin"
1416 wmav1_decoder_select="mdct sinewin"
1417 wmav1_encoder_select="mdct sinewin"
1418 wmav2_decoder_select="mdct sinewin"
1419 wmav2_encoder_select="mdct sinewin"
1420 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1421 wmv1_decoder_select="h263_decoder"
1422 wmv1_encoder_select="h263_encoder"
1423 wmv2_decoder_select="h263_decoder"
1424 wmv2_encoder_select="h263_encoder"
1425 wmv3_decoder_select="vc1_decoder"
1426 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1427 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1428 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1429 wmv3image_decoder_select="wmv3_decoder"
1430 zerocodec_decoder_select="zlib"
1431 zlib_decoder_select="zlib"
1432 zlib_encoder_select="zlib"
1433 zmbv_decoder_select="zlib"
1434 zmbv_encoder_select="zlib"
1435
1436 vaapi_deps="va_va_h"
1437 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1438 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1439
1440 # parsers
1441 h264_parser_select="golomb h264dsp h264pred"
1442
1443 # external libraries
1444 libfaac_encoder_deps="libfaac"
1445 libgsm_decoder_deps="libgsm"
1446 libgsm_encoder_deps="libgsm"
1447 libgsm_ms_decoder_deps="libgsm"
1448 libgsm_ms_encoder_deps="libgsm"
1449 libilbc_decoder_deps="libilbc"
1450 libilbc_encoder_deps="libilbc"
1451 libmp3lame_encoder_deps="libmp3lame"
1452 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1453 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1454 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1455 libopenjpeg_decoder_deps="libopenjpeg"
1456 libschroedinger_decoder_deps="libschroedinger"
1457 libschroedinger_encoder_deps="libschroedinger"
1458 libspeex_decoder_deps="libspeex"
1459 libspeex_encoder_deps="libspeex"
1460 libtheora_encoder_deps="libtheora"
1461 libvo_aacenc_encoder_deps="libvo_aacenc"
1462 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1463 libvorbis_encoder_deps="libvorbis"
1464 libvpx_decoder_deps="libvpx"
1465 libvpx_encoder_deps="libvpx"
1466 libx264_encoder_deps="libx264"
1467 libxavs_encoder_deps="libxavs"
1468 libxvid_encoder_deps="libxvid"
1469
1470 # demuxers / muxers
1471 ac3_demuxer_select="ac3_parser"
1472 asf_stream_muxer_select="asf_muxer"
1473 avisynth_demuxer_deps="avisynth"
1474 dirac_demuxer_select="dirac_parser"
1475 eac3_demuxer_select="ac3_parser"
1476 flac_demuxer_select="flac_parser"
1477 ipod_muxer_select="mov_muxer"
1478 matroska_audio_muxer_select="matroska_muxer"
1479 matroska_demuxer_suggest="zlib bzlib"
1480 mov_demuxer_suggest="zlib"
1481 mp3_demuxer_select="mpegaudio_parser"
1482 mp4_muxer_select="mov_muxer"
1483 mpegts_muxer_select="adts_muxer latm_muxer"
1484 mpegtsraw_demuxer_select="mpegts_demuxer"
1485 mxf_d10_muxer_select="mxf_muxer"
1486 ogg_demuxer_select="golomb"
1487 psp_muxer_select="mov_muxer"
1488 rtp_demuxer_select="sdp_demuxer"
1489 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1490 rtsp_demuxer_select="http_protocol rtpdec"
1491 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1492 sap_demuxer_select="sdp_demuxer"
1493 sap_muxer_select="rtp_muxer rtp_protocol"
1494 sdp_demuxer_select="rtpdec"
1495 spdif_muxer_select="aac_parser"
1496 tg2_muxer_select="mov_muxer"
1497 tgp_muxer_select="mov_muxer"
1498 w64_demuxer_deps="wav_demuxer"
1499
1500 # indevs / outdevs
1501 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1502 alsa_outdev_deps="alsa_asoundlib_h"
1503 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1504 dv1394_indev_deps="dv1394 dv_demuxer"
1505 fbdev_indev_deps="linux_fb_h"
1506 jack_indev_deps="jack_jack_h"
1507 libcdio_indev_deps="libcdio"
1508 libdc1394_indev_deps="libdc1394"
1509 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1510 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1511 pulse_indev_deps="libpulse"
1512 sndio_indev_deps="sndio_h"
1513 sndio_outdev_deps="sndio_h"
1514 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1515 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1516 vfwcap_indev_extralibs="-lavicap32"
1517 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1518
1519 # protocols
1520 gopher_protocol_deps="network"
1521 httpproxy_protocol_deps="network"
1522 httpproxy_protocol_select="tcp_protocol"
1523 http_protocol_deps="network"
1524 http_protocol_select="tcp_protocol"
1525 https_protocol_select="tls_protocol"
1526 librtmp_protocol_deps="librtmp"
1527 librtmpe_protocol_deps="librtmp"
1528 librtmps_protocol_deps="librtmp"
1529 librtmpt_protocol_deps="librtmp"
1530 librtmpte_protocol_deps="librtmp"
1531 mmsh_protocol_select="http_protocol"
1532 mmst_protocol_deps="network"
1533 rtmp_protocol_deps="!librtmp_protocol"
1534 rtmp_protocol_select="tcp_protocol"
1535 rtmphttp_protocol_deps="!librtmp_protocol"
1536 rtmphttp_protocol_select="http_protocol"
1537 rtmpt_protocol_deps="!librtmp_protocol"
1538 rtmpt_protocol_select="rtmphttp_protocol"
1539 rtp_protocol_select="udp_protocol"
1540 sctp_protocol_deps="network netinet_sctp_h"
1541 tcp_protocol_deps="network"
1542 tls_protocol_deps_any="openssl gnutls"
1543 tls_protocol_select="tcp_protocol"
1544 udp_protocol_deps="network"
1545
1546 # filters
1547 blackframe_filter_deps="gpl"
1548 boxblur_filter_deps="gpl"
1549 cropdetect_filter_deps="gpl"
1550 delogo_filter_deps="gpl"
1551 drawtext_filter_deps="libfreetype"
1552 frei0r_filter_deps="frei0r dlopen strtok_r"
1553 frei0r_filter_extralibs='$ldl'
1554 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1555 frei0r_src_filter_extralibs='$ldl'
1556 hqdn3d_filter_deps="gpl"
1557 resample_filter_deps="avresample"
1558 ocv_filter_deps="libopencv"
1559 scale_filter_deps="swscale"
1560 yadif_filter_deps="gpl"
1561
1562 # libraries
1563 avdevice_deps="avcodec avformat"
1564 avformat_deps="avcodec"
1565
1566 # programs
1567 avconv_deps="avcodec avfilter avformat avresample swscale
1568 aformat_filter asyncts_filter
1569 format_filter fps_filter scale_filter setpts_filter"
1570 avplay_deps="avcodec avformat swscale sdl"
1571 avplay_select="rdft"
1572 avprobe_deps="avcodec avformat"
1573 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1574 avserver_extralibs='$ldl'
1575
1576 doc_deps="texi2html"
1577
1578 # tests
1579
1580 test_deps(){
1581 suf1=$1
1582 suf2=$2
1583 shift 2
1584 for v; do
1585 dep=${v%=*}
1586 tests=${v#*=}
1587 for name in ${tests}; do
1588 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1589 done
1590 done
1591 }
1592
1593 mxf_d10_test_deps="avfilter"
1594 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1595
1596 test_deps _muxer _demuxer \
1597 aiff \
1598 pcm_alaw=alaw \
1599 asf \
1600 au \
1601 avi \
1602 dv=dv_fmt \
1603 ffm \
1604 flv=flv_fmt \
1605 gxf \
1606 matroska=mkv \
1607 mmf \
1608 mov \
1609 pcm_mulaw=mulaw \
1610 mxf="mxf mxf_d10" \
1611 nut \
1612 ogg \
1613 rawvideo=pixfmt \
1614 rm \
1615 swf \
1616 mpegts=ts \
1617 voc \
1618 wav \
1619 yuv4mpegpipe=yuv4mpeg \
1620
1621 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1622
1623 # default parameters
1624
1625 logfile="config.log"
1626
1627 # installation paths
1628 prefix_default="/usr/local"
1629 bindir_default='${prefix}/bin'
1630 datadir_default='${prefix}/share/avconv'
1631 incdir_default='${prefix}/include'
1632 libdir_default='${prefix}/lib'
1633 mandir_default='${prefix}/share/man'
1634 shlibdir_default="$libdir_default"
1635
1636 # toolchain
1637 ar_default="ar"
1638 cc_default="gcc"
1639 cc_version=\"unknown\"
1640 host_cc_default="gcc"
1641 ln_s="ln -sf"
1642 nm_default="nm"
1643 objformat="elf"
1644 pkg_config_default=pkg-config
1645 ranlib="ranlib"
1646 yasmexe="yasm"
1647
1648 nm_opts='-g'
1649 nogas=":"
1650
1651 # machine
1652 arch_default=$(uname -m)
1653 cpu="generic"
1654
1655 # OS
1656 target_os_default=$(tolower $(uname -s))
1657 host_os=$target_os_default
1658
1659 # configurable options
1660 enable $PROGRAM_LIST
1661
1662 enable avcodec
1663 enable avdevice
1664 enable avfilter
1665 enable avformat
1666 enable avresample
1667 enable avutil
1668 enable swscale
1669
1670 enable asm
1671 enable debug
1672 enable doc
1673 enable fastdiv
1674 enable network
1675 enable optimizations
1676 enable safe_bitstream_reader
1677 enable static
1678 enable swscale_alpha
1679
1680 # build settings
1681 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1682 AVSERVERLDFLAGS=-Wl,-E
1683 LIBPREF="lib"
1684 LIBSUF=".a"
1685 FULLNAME='$(NAME)$(BUILDSUF)'
1686 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1687 SLIBPREF="lib"
1688 SLIBSUF=".so"
1689 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1690 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1691 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1692 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1693 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1694 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1695
1696 AS_O='-o $@'
1697 CC_O='-o $@'
1698
1699 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1700 host_libs='-lm'
1701
1702 target_path='$(CURDIR)'
1703
1704 # since the object filename is not given with the -MM flag, the compiler
1705 # is only able to print the basename, and we must add the path ourselves
1706 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1707 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1708
1709 # find source path
1710 if test -f configure; then
1711 source_path=.
1712 else
1713 source_path=$(cd $(dirname "$0"); pwd)
1714 echo "$source_path" | grep -q '[[:blank:]]' &&
1715 die "Out of tree builds are impossible with whitespace in source path."
1716 test -e "$source_path/config.h" &&
1717 die "Out of tree builds are impossible with config.h in source dir."
1718 fi
1719
1720 for v in "$@"; do
1721 r=${v#*=}
1722 l=${v%"$r"}
1723 r=$(sh_quote "$r")
1724 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1725 done
1726
1727 find_things(){
1728 thing=$1
1729 pattern=$2
1730 file=$source_path/$3
1731 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1732 }
1733
1734 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1735 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1736 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1737 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1738 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1739 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1740 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1741 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1742 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1743 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1744 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1745
1746 ALL_COMPONENTS="
1747 $BSF_LIST
1748 $DECODER_LIST
1749 $DEMUXER_LIST
1750 $ENCODER_LIST
1751 $FILTER_LIST
1752 $HWACCEL_LIST
1753 $INDEV_LIST
1754 $MUXER_LIST
1755 $OUTDEV_LIST
1756 $PARSER_LIST
1757 $PROTOCOL_LIST
1758 "
1759
1760 find_tests(){
1761 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1762 }
1763
1764 LAVF_TESTS=$(find_tests lavf)
1765 LAVFI_TESTS=$(find_tests lavfi)
1766 SEEK_TESTS=$(find_tests seek seek_)
1767
1768 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1769
1770 for n in $COMPONENT_LIST; do
1771 v=$(toupper ${n%s})_LIST
1772 eval enable \$$v
1773 eval ${n}_if_any="\$$v"
1774 done
1775
1776 enable $ARCH_EXT_LIST $ALL_TESTS
1777
1778 die_unknown(){
1779 echo "Unknown option \"$1\"."
1780 echo "See $0 --help for available options."
1781 exit 1
1782 }
1783
1784 show_list() {
1785 suffix=_$1
1786 shift
1787 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1788 exit 0
1789 }
1790
1791 for opt do
1792 optval="${opt#*=}"
1793 case "$opt" in
1794 --extra-ldflags=*) add_ldflags $optval
1795 ;;
1796 --extra-libs=*) add_extralibs $optval
1797 ;;
1798 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1799 ;;
1800 --enable-debug=*) debuglevel="$optval"
1801 ;;
1802 --disable-everything)
1803 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1804 ;;
1805 --enable-*=*|--disable-*=*)
1806 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1807 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1808 eval list=\$$(toupper $thing)_LIST
1809 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1810 $action $(filter "$name" $list)
1811 ;;
1812 --enable-?*|--disable-?*)
1813 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1814 if is_in $option $COMPONENT_LIST; then
1815 test $action = disable && action=unset
1816 eval $action \$$(toupper ${option%s})_LIST
1817 elif is_in $option $CMDLINE_SELECT; then
1818 $action $option
1819 else
1820 die_unknown $opt
1821 fi
1822 ;;
1823 --list-*)
1824 NAME="${opt#--list-}"
1825 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1826 NAME=${NAME%s}
1827 eval show_list $NAME \$$(toupper $NAME)_LIST
1828 ;;
1829 --help|-h) show_help
1830 ;;
1831 *)
1832 optname="${opt%%=*}"
1833 optname="${optname#--}"
1834 optname=$(echo "$optname" | sed 's/-/_/g')
1835 if is_in $optname $CMDLINE_SET; then
1836 eval $optname='$optval'
1837 elif is_in $optname $CMDLINE_APPEND; then
1838 append $optname "$optval"
1839 else
1840 die_unknown $opt
1841 fi
1842 ;;
1843 esac
1844 done
1845
1846 disabled logging && logfile=/dev/null
1847
1848 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1849 set >> $logfile
1850
1851 test -n "$cross_prefix" && enable cross_compile
1852
1853 if enabled cross_compile; then
1854 test -n "$arch" && test -n "$target_os" ||
1855 die "Must specify target arch and OS when cross-compiling"
1856 fi
1857
1858 set_default arch target_os
1859
1860 ar_default="${cross_prefix}${ar_default}"
1861 cc_default="${cross_prefix}${cc_default}"
1862 nm_default="${cross_prefix}${nm_default}"
1863 pkg_config_default="${cross_prefix}${pkg_config_default}"
1864 ranlib="${cross_prefix}${ranlib}"
1865
1866 sysinclude_default="${sysroot}/usr/include"
1867
1868 set_default cc nm pkg_config sysinclude
1869 enabled cross_compile || host_cc_default=$cc
1870 set_default host_cc
1871
1872 if ! $pkg_config --version >/dev/null 2>&1; then
1873 warn "$pkg_config not found, library detection may fail."
1874 pkg_config=false
1875 fi
1876
1877 exesuf() {
1878 case $1 in
1879 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1880 esac
1881 }
1882
1883 EXESUF=$(exesuf $target_os)
1884 HOSTEXESUF=$(exesuf $host_os)
1885
1886 # set temporary file name
1887 : ${TMPDIR:=$TEMPDIR}
1888 : ${TMPDIR:=$TMP}
1889 : ${TMPDIR:=/tmp}
1890
1891 if ! check_cmd mktemp -u XXXXXX; then
1892 # simple replacement for missing mktemp
1893 # NOT SAFE FOR GENERAL USE
1894 mktemp(){
1895 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1896 }
1897 fi
1898
1899 tmpfile(){
1900 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1901 (set -C; exec > $tmp) 2>/dev/null ||
1902 die "Unable to create temporary file in $TMPDIR."
1903 append TMPFILES $tmp
1904 eval $1=$tmp
1905 }
1906
1907 trap 'rm -f -- $TMPFILES' EXIT
1908
1909 tmpfile TMPASM .asm
1910 tmpfile TMPC .c
1911 tmpfile TMPE $EXESUF
1912 tmpfile TMPH .h
1913 tmpfile TMPO .o
1914 tmpfile TMPS .S
1915 tmpfile TMPSH .sh
1916 tmpfile TMPV .ver
1917
1918 unset -f mktemp
1919
1920 chmod +x $TMPE
1921
1922 # make sure we can execute files in $TMPDIR
1923 cat > $TMPSH 2>> $logfile <<EOF
1924 #! /bin/sh
1925 EOF
1926 chmod +x $TMPSH >> $logfile 2>&1
1927 if ! $TMPSH >> $logfile 2>&1; then
1928 cat <<EOF
1929 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1930 variable to another directory and make sure that it is not mounted noexec.
1931 EOF
1932 die "Sanity test failed."
1933 fi
1934
1935 filter_asflags=echo
1936 filter_cflags=echo
1937 filter_cppflags=echo
1938
1939 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1940 cc_type=llvm_gcc
1941 cc_version=__VERSION__
1942 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1943 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1944 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1945 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1946 speed_cflags='-O3'
1947 size_cflags='-Os'
1948 elif $cc -v 2>&1 | grep -qi ^gcc; then
1949 cc_type=gcc
1950 cc_version=__VERSION__
1951 gcc_version=$($cc --version | head -n1)
1952 gcc_basever=$($cc -dumpversion)
1953 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1954 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1955 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1956 if ! $cc -dumpversion | grep -q '^2\.'; then
1957 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1958 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1959 fi
1960 speed_cflags='-O3'
1961 size_cflags='-Os'
1962 elif $cc --version 2>/dev/null | grep -q Intel; then
1963 cc_type=icc
1964 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1965 cc_ident=$($cc --version | head -n1)
1966 icc_version=$($cc -dumpversion)
1967 CC_DEPFLAGS='-MMD'
1968 AS_DEPFLAGS='-MMD'
1969 speed_cflags='-O3'
1970 size_cflags='-Os'
1971 noopt_cflags='-O1'
1972 elif $cc -v 2>&1 | grep -q xlc; then
1973 cc_type=xlc
1974 cc_version="AV_STRINGIFY(__IBMC__)"
1975 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1976 speed_cflags='-O5'
1977 size_cflags='-O5 -qcompact'
1978 elif $cc -V 2>/dev/null | grep -q Compaq; then
1979 cc_type=ccc
1980 cc_version="AV_STRINGIFY(__DECC_VER)"
1981 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1982 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1983 debuglevel=3
1984 add_ldflags -Wl,-z,now # calls to libots crash without this
1985 speed_cflags='-fast'
1986 size_cflags='-O1'
1987 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1988 test -d "$sysroot" || die "No valid sysroot specified."
1989 cc_type=armcc
1990 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1991 cc_ident=$($cc --vsn | head -n1)
1992 armcc_conf="$PWD/armcc.conf"
1993 $cc --arm_linux_configure \
1994 --arm_linux_config_file="$armcc_conf" \
1995 --configure_sysroot="$sysroot" \
1996 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1997 die "Error creating armcc configuration file."
1998 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1999 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2000 as_default="${cross_prefix}gcc"
2001 CC_DEPFLAGS='-MMD'
2002 AS_DEPFLAGS='-MMD'
2003 speed_cflags='-O3'
2004 size_cflags='-Os'
2005 filter_asflags="filter_out -W${armcc_opt}*"
2006 elif $cc -version 2>/dev/null | grep -q TMS470; then
2007 cc_type=tms470
2008 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2009 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2010 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2011 CC_O='-fr=$(@D)'
2012 as_default="${cross_prefix}gcc"
2013 ld_default="${cross_prefix}gcc"
2014 TMPO=$(basename $TMPC .c).o
2015 append TMPFILES $TMPO
2016 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2017 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2018 AS_DEPFLAGS='-MMD'
2019 speed_cflags='-O3 -mf=5'
2020 size_cflags='-O3 -mf=2'
2021 filter_cflags=tms470_flags
2022 tms470_flags(){
2023 for flag; do
2024 case $flag in
2025 -march=*|-mcpu=*)
2026 case "${flag#*=}" in
2027 armv7-a|cortex-a*) echo -mv=7a8 ;;
2028 armv7-r|cortex-r*) echo -mv=7r4 ;;
2029 armv7-m|cortex-m*) echo -mv=7m3 ;;
2030 armv6*|arm11*) echo -mv=6 ;;
2031 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2032 echo -mv=5e ;;
2033 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2034 esac
2035 ;;
2036 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2037 -mfpu=vfp) echo --float_support=vfpv2 ;;
2038 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2039 -msoft-float) echo --float_support=vfplib ;;
2040 -O[0-3]|-mf=*) echo $flag ;;
2041 -g) echo -g -mn ;;
2042 -pds=*) echo $flag ;;
2043 esac
2044 done
2045 }
2046 elif $cc -v 2>&1 | grep -q clang; then
2047 cc_type=clang
2048 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2049 cc_version=__clang_version__ || cc_version=__VERSION__
2050 cc_ident=$($cc --version | head -n1)
2051 CC_DEPFLAGS='-MMD'
2052 AS_DEPFLAGS='-MMD'
2053 speed_cflags='-O3'
2054 size_cflags='-Os'
2055 elif $cc -V 2>&1 | grep -q Sun; then
2056 cc_type=suncc
2057 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2058 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2059 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2060 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2061 add_ldflags -xc99
2062 speed_cflags='-O5'
2063 size_cflags='-O5 -xspace'
2064 filter_cflags=suncc_flags
2065 suncc_flags(){
2066 for flag; do
2067 case $flag in
2068 -march=*|-mcpu=*)
2069 case "${flag#*=}" in
2070 native) echo -xtarget=native ;;
2071 v9|niagara) echo -xarch=sparc ;;
2072 ultrasparc) echo -xarch=sparcvis ;;
2073 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2074 i586|pentium) echo -xchip=pentium ;;
2075 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2076 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2077 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2078 pentium4*) echo -xtarget=pentium4 ;;
2079 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2080 *-sse3) echo -xarch=sse3 ;;
2081 core2) echo -xarch=ssse3 -xchip=core2 ;;
2082 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2083 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2084 k8|opteron|athlon64|athlon-fx)
2085 echo -xarch=sse2a ;;
2086 athlon*) echo -xarch=pentium_proa ;;
2087 esac
2088 ;;
2089 -std=c99) echo -xc99 ;;
2090 -fomit-frame-pointer) echo -xregs=frameptr ;;
2091 -fPIC) echo -KPIC -xcode=pic32 ;;
2092 -W*,*) echo $flag ;;
2093 -f*-*|-W*) ;;
2094 *) echo $flag ;;
2095 esac
2096 done
2097 }
2098 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2099 cc_type=pathscale
2100 cc_version=__PATHSCALE__
2101 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2102 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2103 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2104 speed_cflags='-O2'
2105 size_cflags='-Os'
2106 filter_cflags='filter_out -Wdisabled-optimization'
2107 elif $cc -v 2>&1 | grep -q Open64; then
2108 cc_type=open64
2109 cc_version=__OPEN64__
2110 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2111 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2112 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2113 speed_cflags='-O2'
2114 size_cflags='-Os'
2115 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2116 elif $cc -V 2>&1 | grep -q Portland; then
2117 cc_type=pgi
2118 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2119 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2120 opt_common='-alias=ansi -Mlre -Mpre'
2121 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2122 size_cflags="-O2 -Munroll=c:1 $opt_common"
2123 noopt_cflags="-O1"
2124 filter_cflags=pgi_flags
2125 pgi_flags(){
2126 for flag; do
2127 case $flag in
2128 -fomit-frame-pointer) echo -Mnoframe ;;
2129 -g) echo -gopt ;;
2130 *) echo $flag ;;
2131 esac
2132 done
2133 }
2134 fi
2135
2136 test -n "$cc_type" && enable $cc_type ||
2137 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2138
2139 : ${as_default:=$cc}
2140 : ${dep_cc_default:=$cc}
2141 : ${ld_default:=$cc}
2142 set_default ar as dep_cc ld
2143
2144 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2145 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2146
2147 add_cflags $extra_cflags
2148 add_asflags $extra_cflags
2149
2150 if test -n "$sysroot"; then
2151 case "$cc_type" in
2152 gcc|llvm_gcc|clang)
2153 add_cppflags --sysroot="$sysroot"
2154 add_ldflags --sysroot="$sysroot"
2155 ;;
2156 tms470)
2157 add_cppflags -I"$sysinclude"
2158 add_ldflags --sysroot="$sysroot"
2159 ;;
2160 esac
2161 fi
2162
2163 if test "$cpu" = host; then
2164 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2165
2166 case "$cc_type" in
2167 gcc|llvm_gcc)
2168 check_native(){
2169 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2170 sed -n "/cc1.*$1=/{
2171 s/.*$1=\\([^ ]*\\).*/\\1/
2172 p
2173 q
2174 }" $TMPE
2175 }
2176 cpu=$(check_native -march || check_native -mcpu)
2177 ;;
2178 esac
2179
2180 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2181 fi
2182
2183 # Deal with common $arch aliases
2184 case "$arch" in
2185 arm*)
2186 arch="arm"
2187 ;;
2188 mips|mipsel|IP*)
2189 arch="mips"
2190 ;;
2191 mips64*)
2192 arch="mips"
2193 subarch="mips64"
2194 ;;
2195 parisc|hppa)
2196 arch="parisc"
2197 ;;
2198 parisc64|hppa64)
2199 arch="parisc"
2200 subarch="parisc64"
2201 ;;
2202 "Power Macintosh"|ppc|powerpc)
2203 arch="ppc"
2204 ;;
2205 ppc64|powerpc64)
2206 arch="ppc"
2207 subarch="ppc64"
2208 ;;
2209 s390|s390x)
2210 arch="s390"
2211 ;;
2212 sh4|sh)
2213 arch="sh4"
2214 ;;
2215 sun4u|sparc64)
2216 arch="sparc"
2217 subarch="sparc64"
2218 ;;
2219 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2220 arch="x86"
2221 ;;
2222 esac
2223
2224 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2225 enable $arch
2226
2227 # Add processor-specific flags
2228 if test "$cpu" = generic; then
2229 : do nothing
2230 elif enabled ppc; then
2231
2232 case $(tolower $cpu) in
2233 601|ppc601|powerpc601)
2234 cpuflags="-mcpu=601"
2235 disable altivec
2236 ;;
2237 603*|ppc603*|powerpc603*)
2238 cpuflags="-mcpu=603"
2239 disable altivec
2240 ;;
2241 604*|ppc604*|powerpc604*)
2242 cpuflags="-mcpu=604"
2243 disable altivec
2244 ;;
2245 g3|75*|ppc75*|powerpc75*)
2246 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2247 disable altivec
2248 ;;
2249 g4|745*|ppc745*|powerpc745*)
2250 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2251 ;;
2252 74*|ppc74*|powerpc74*)
2253 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2254 ;;
2255 g5|970|ppc970|powerpc970)
2256 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2257 ;;
2258 power[3-7]*)
2259 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2260 ;;
2261 cell)
2262 cpuflags="-mcpu=cell"
2263 enable ldbrx
2264 ;;
2265 e500v2)
2266 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2267 disable altivec
2268 ;;
2269 e500)
2270 cpuflags="-mcpu=8540 -mhard-float"
2271 disable altivec
2272 ;;
2273 esac
2274
2275 elif enabled x86; then
2276
2277 case $cpu in
2278 i[345]86|pentium)
2279 cpuflags="-march=$cpu"
2280 disable mmx
2281 ;;
2282 # targets that do NOT support conditional mov (cmov)
2283 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2284 cpuflags="-march=$cpu"
2285 disable cmov
2286 ;;
2287 # targets that do support conditional mov (cmov)
2288 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2289 cpuflags="-march=$cpu"
2290 enable cmov
2291 enable fast_cmov
2292 ;;
2293 # targets that do support conditional mov but on which it's slow
2294 pentium4|pentium4m|prescott|nocona)
2295 cpuflags="-march=$cpu"
2296 enable cmov
2297 disable fast_cmov
2298 ;;
2299 esac
2300
2301 elif enabled sparc; then
2302
2303 case $cpu in
2304 niagara)
2305 cpuflags="-mcpu=$cpu"
2306 disable vis
2307 ;;
2308 sparc64)
2309 cpuflags="-mcpu=v9"
2310 ;;
2311 esac
2312
2313 elif enabled arm; then
2314
2315 case $cpu in
2316 armv*)
2317 cpuflags="-march=$cpu"
2318 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2319 ;;
2320 *)
2321 cpuflags="-mcpu=$cpu"
2322 case $cpu in
2323 cortex-a*) subarch=armv7a ;;
2324 cortex-r*) subarch=armv7r ;;
2325 cortex-m*) enable thumb; subarch=armv7m ;;
2326 arm11*) subarch=armv6 ;;
2327 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2328 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2329 esac
2330 ;;
2331 esac
2332
2333 elif enabled alpha; then
2334
2335 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2336
2337 elif enabled bfin; then
2338
2339 cpuflags="-mcpu=$cpu"
2340
2341 elif enabled mips; then
2342
2343 cpuflags="-march=$cpu"
2344
2345 elif enabled avr32; then
2346
2347 case $cpu in
2348 ap7[02]0[0-2])
2349 subarch="avr32_ap"
2350 cpuflags="-mpart=$cpu"
2351 ;;
2352 ap)
2353 subarch="avr32_ap"
2354 cpuflags="-march=$cpu"
2355 ;;
2356 uc3[ab]*)
2357 subarch="avr32_uc"
2358 cpuflags="-mcpu=$cpu"
2359 ;;
2360 uc)
2361 subarch="avr32_uc"
2362 cpuflags="-march=$cpu"
2363 ;;
2364 esac
2365
2366 fi
2367
2368 add_cflags $cpuflags
2369 add_asflags $cpuflags
2370
2371 # compiler sanity check
2372 check_exec <<EOF
2373 int main(void){ return 0; }
2374 EOF
2375 if test "$?" != 0; then
2376 echo "$cc is unable to create an executable file."
2377 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2378 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2379 echo "Only do this if you know what cross compiling means."
2380 fi
2381 die "C compiler test failed."
2382 fi
2383
2384 add_cppflags -D_ISOC99_SOURCE
2385 check_cflags -std=c99
2386 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2387 #include <stdlib.h>
2388 EOF
2389 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2390 #include <stdlib.h>
2391 EOF
2392
2393 check_host_cflags -std=c99
2394 check_host_cflags -Wall
2395
2396 case "$arch" in
2397 alpha|ia64|mips|parisc|sparc)
2398 spic=$shared
2399 ;;
2400 x86)
2401 subarch="x86_32"
2402 check_cc <<EOF && subarch="x86_64"
2403 int test[(int)sizeof(char*) - 7];
2404 EOF
2405 if test "$subarch" = "x86_64"; then
2406 spic=$shared
2407 fi
2408 ;;
2409 esac
2410
2411 enable $subarch
2412 enabled spic && enable pic
2413
2414 # OS specific
2415 case $target_os in
2416 haiku)
2417 prefix_default="/boot/common"
2418 network_extralibs="-lnetwork"
2419 host_libs=
2420 ;;
2421 sunos)
2422 AVSERVERLDFLAGS=""
2423 SHFLAGS='-shared -Wl,-h,$$(@F)'
2424 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2425 network_extralibs="-lsocket -lnsl"
2426 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2427 # When using suncc to build, the Solaris linker will mark
2428 # an executable with each instruction set encountered by
2429 # the Solaris assembler. As our libraries contain their own
2430 # guards for processor-specific code, instead suppress
2431 # generation of the HWCAPS ELF section on Solaris x86 only.
2432 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2433 nm_opts='-P -g'
2434 ;;
2435 netbsd)
2436 disable symver
2437 oss_indev_extralibs="-lossaudio"
2438 oss_outdev_extralibs="-lossaudio"
2439 ;;
2440 openbsd)
2441 # On OpenBSD 4.5. the compiler does not use PIC unless
2442 # explicitly using -fPIC. Libav builds fine without PIC,
2443 # however the generated executable will not do anything
2444 # (simply quits with exit-code 1, no crash, no output).
2445 # Thus explicitly enable PIC here.
2446 enable pic
2447 disable symver
2448 SHFLAGS='-shared'
2449 oss_indev_extralibs="-lossaudio"
2450 oss_outdev_extralibs="-lossaudio"
2451 ;;
2452 dragonfly)
2453 disable symver
2454 ;;
2455 freebsd)
2456 ;;
2457 bsd/os)
2458 add_extralibs -lpoll -lgnugetopt
2459 ;;
2460 darwin)
2461 gas="gas-preprocessor.pl $cc"
2462 enabled ppc && add_asflags -force_cpusubtype_ALL
2463 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2464 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2465 add_ldflags -Wl,-dynamic,-search_paths_first
2466 SLIBSUF=".dylib"
2467 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2468 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2469 AVSERVERLDFLAGS=-Wl,-bind_at_load
2470 objformat="macho"
2471 enabled x86_64 && objformat="macho64"
2472 enabled_any pic shared ||
2473 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2474 ;;
2475 mingw32*)
2476 if test $target_os = "mingw32ce"; then
2477 disable network
2478 else
2479 target_os=mingw32
2480 fi
2481 LIBTARGET=i386
2482 if enabled x86_64; then
2483 LIBTARGET="i386:x86-64"
2484 elif enabled arm; then
2485 LIBTARGET=arm-wince
2486 fi
2487 shlibdir_default="$bindir_default"
2488 SLIBPREF=""
2489 SLIBSUF=".dll"
2490 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2491 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2492 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2494 SLIB_INSTALL_LINKS=
2495 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2496 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2497 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'
2498 objformat="win32"
2499 dlltool="${cross_prefix}dlltool"
2500 enable dos_paths
2501 check_cflags -fno-common
2502 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2503 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2504 die "ERROR: MinGW runtime version must be >= 3.15."
2505 add_cppflags -U__STRICT_ANSI__
2506 ;;
2507 cygwin*)
2508 target_os=cygwin
2509 shlibdir_default="$bindir_default"
2510 SLIBPREF="cyg"
2511 SLIBSUF=".dll"
2512 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2513 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2514 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2515 objformat="win32"
2516 enable dos_paths
2517 check_cflags -fno-common
2518 add_cppflags -U__STRICT_ANSI__
2519 ;;
2520 *-dos|freedos|opendos)
2521 network_extralibs="-lsocket"
2522 objformat="coff"
2523 enable dos_paths
2524 add_cppflags -U__STRICT_ANSI__
2525 ;;
2526 linux)
2527 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2528 enable dv1394
2529 ;;
2530 irix*)
2531 target_os=irix
2532 ranlib="echo ignoring ranlib"
2533 ;;
2534 os/2*)
2535 ln_s="cp -f"
2536 objformat="aout"
2537 add_cppflags -D_GNU_SOURCE
2538 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2539 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2540 AVSERVERLDFLAGS=""
2541 LIBSUF="_s.a"
2542 SLIBPREF=""
2543 SLIBSUF=".dll"
2544 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2545 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2546 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2547 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2548 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2549 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2550 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2551 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2552 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2553 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2554 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2555 enable dos_paths
2556 ;;
2557 gnu/kfreebsd)
2558 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2559 ;;
2560 gnu)
2561 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2562 ;;
2563 qnx)
2564 add_cppflags -D_QNX_SOURCE
2565 network_extralibs="-lsocket"
2566 ;;
2567 symbian)
2568 SLIBSUF=".dll"
2569 enable dos_paths
2570 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2571 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2572 add_ldflags -Wl,--target1-abs,--no-undefined \
2573 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2574 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2575 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2576 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2577 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2578 ;;
2579 none)
2580 ;;
2581 *)
2582 die "Unknown OS '$target_os'."
2583 ;;
2584 esac
2585
2586 esc(){
2587 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2588 }
2589
2590 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2591
2592 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2593
2594 set_default $PATHS_LIST
2595
2596 # we need to build at least one lib type
2597 if ! enabled_any static shared; then
2598 cat <<EOF
2599 At least one library type must be built.
2600 Specify --enable-static to build the static libraries or --enable-shared to
2601 build the shared libraries as well. To only build the shared libraries specify
2602 --disable-static in addition to --enable-shared.
2603 EOF
2604 exit 1;
2605 fi
2606
2607 die_license_disabled() {
2608 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2609 }
2610
2611 die_license_disabled gpl libcdio
2612 die_license_disabled gpl libx264
2613 die_license_disabled gpl libxavs
2614 die_license_disabled gpl libxvid
2615 die_license_disabled gpl x11grab
2616
2617 die_license_disabled nonfree libfaac
2618 die_license_disabled nonfree openssl
2619
2620 die_license_disabled version3 libopencore_amrnb
2621 die_license_disabled version3 libopencore_amrwb
2622 die_license_disabled version3 libvo_aacenc
2623 die_license_disabled version3 libvo_amrwbenc
2624
2625 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2626
2627 disabled optimizations || check_cflags -fomit-frame-pointer
2628
2629 enable_pic() {
2630 enable pic
2631 add_cppflags -DPIC
2632 add_cflags -fPIC
2633 add_asflags -fPIC
2634 }
2635
2636 enabled pic && enable_pic
2637
2638 check_cc <<EOF || die "Symbol mangling check failed."
2639 int ff_extern;
2640 EOF
2641 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2642 extern_prefix=${sym%%ff_extern*}
2643
2644 check_cc <<EOF && enable inline_asm
2645 void foo(void) { __asm__ volatile ("" ::); }
2646 EOF
2647
2648 _restrict=
2649 for restrict_keyword in restrict __restrict__ __restrict; do
2650 check_cc <<EOF && _restrict=$restrict_keyword && break
2651 void foo(char * $restrict_keyword p);
2652 EOF
2653 done
2654
2655 check_cc <<EOF && enable attribute_packed
2656 struct { int x; } __attribute__((packed)) x;
2657 EOF
2658
2659 check_cc <<EOF && enable attribute_may_alias
2660 union { int x; } __attribute__((may_alias)) x;
2661 EOF
2662
2663 check_cc <<EOF || die "endian test failed"
2664 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2665 EOF
2666 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2667
2668 if enabled alpha; then
2669
2670 check_cflags -mieee
2671
2672 elif enabled arm; then
2673
2674 enabled thumb && check_cflags -mthumb || check_cflags -marm
2675 nogas=die
2676
2677 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2678 enable vfp_args
2679 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2680 case "${cross_prefix:-$cc}" in
2681 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2682 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2683 __asm__ (".eabi_attribute 28, 1");
2684 int main(void) { return 0; }
2685 EOF
2686 esac
2687 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2688 fi
2689
2690 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2691 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2692 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2693 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2694 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2695 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2696
2697 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2698
2699 enabled_all armv6t2 shared !pic && enable_pic
2700
2701 elif enabled mips; then
2702
2703 check_asm loongson '"dmult.g $1, $2, $3"'
2704 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2705
2706 elif enabled ppc; then
2707
2708 enable local_aligned_8 local_aligned_16
2709
2710 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2711 check_asm ibm_asm '"add 0, 0, 0"'
2712 check_asm ppc4xx '"maclhw r10, r11, r12"'
2713 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2714
2715 # AltiVec flags: The FSF version of GCC differs from the Apple version
2716 if enabled altivec; then
2717 nogas=warn
2718 check_cflags -maltivec -mabi=altivec &&
2719 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2720 check_cflags -faltivec
2721
2722 # check if our compiler supports Motorola AltiVec C API
2723 check_cc <<EOF || disable altivec
2724 $inc_altivec_h
2725 int main(void) {
2726 vector signed int v1, v2, v3;
2727 v1 = vec_add(v2,v3);
2728 return 0;
2729 }
2730 EOF
2731
2732 # check if our compiler supports braces for vector declarations
2733 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2734 $inc_altivec_h
2735 int main (void) { (vector int) {1}; return 0; }
2736 EOF
2737 fi
2738
2739 elif enabled sparc; then
2740
2741 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2742 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2743
2744 elif enabled x86; then
2745
2746 enable local_aligned_8 local_aligned_16
2747
2748 # check whether EBP is available on x86
2749 # As 'i' is stored on the stack, this program will crash
2750 # if the base pointer is used to access it because the
2751 # base pointer is cleared in the inline assembly code.
2752 check_exec_crash <<EOF && enable ebp_available
2753 volatile int i=0;
2754 __asm__ volatile (
2755 "xorl %%ebp, %%ebp"
2756 ::: "%ebp");
2757 return i;
2758 EOF
2759
2760 # check whether EBX is available on x86
2761 check_asm ebx_available '""::"b"(0)' &&
2762 check_asm ebx_available '"":::"%ebx"'
2763
2764 # check whether xmm clobbers are supported
2765 check_asm xmm_clobbers '"":::"%xmm0"'
2766
2767 # check whether binutils is new enough to compile SSSE3/MMX2
2768 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2769 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2770
2771 if ! disabled_any asm mmx yasm; then
2772 if check_cmd $yasmexe --version; then
2773 enabled x86_64 && yasm_extra="-m amd64"
2774 yasm_debug="-g dwarf2"
2775 elif check_cmd nasm -v; then
2776 yasmexe=nasm
2777 yasm_debug="-g -F dwarf"
2778 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2779 fi
2780
2781 YASMFLAGS="-f $objformat $yasm_extra"
2782 enabled pic && append YASMFLAGS "-DPIC"
2783 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2784 case "$objformat" in
2785 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2786 esac
2787
2788 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2789 die "yasm not found, use --disable-yasm for a crippled build"
2790 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2791 fi
2792
2793 case "$cpu" in
2794 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2795 disable fast_clz
2796 ;;
2797 esac
2798
2799 fi
2800
2801 if enabled asm; then
2802 as=${gas:=$as}
2803 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2804 $nogas "GNU assembler not found, install gas-preprocessor"
2805 fi
2806
2807 check_ldflags -Wl,--as-needed
2808
2809 if check_func dlopen; then
2810 ldl=
2811 elif check_func dlopen -ldl; then
2812 ldl=-ldl
2813 fi
2814
2815 if enabled network; then
2816 check_type "sys/types.h sys/socket.h" socklen_t
2817 check_type netdb.h "struct addrinfo"
2818 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2819 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
2820 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2821 check_type netinet/in.h "struct sockaddr_in6"
2822 check_type poll.h "struct pollfd"
2823 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2824 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2825 check_header netinet/sctp.h
2826 # Prefer arpa/inet.h over winsock2
2827 if check_header arpa/inet.h ; then
2828 check_func closesocket
2829 elif check_header winsock2.h ; then
2830 check_func_headers winsock2.h closesocket -lws2 && \
2831 network_extralibs="-lws2" || \
2832 { check_func_headers winsock2.h closesocket -lws2_32 && \
2833 network_extralibs="-lws2_32"; }
2834 check_type ws2tcpip.h socklen_t
2835 check_type ws2tcpip.h "struct addrinfo"
2836 check_type ws2tcpip.h "struct group_source_req"
2837 check_type ws2tcpip.h "struct ip_mreq_source"
2838 check_type ws2tcpip.h "struct ipv6_mreq"
2839 check_type winsock2.h "struct pollfd"
2840 check_type ws2tcpip.h "struct sockaddr_in6"
2841 check_type ws2tcpip.h "struct sockaddr_storage"
2842 check_struct winsock2.h "struct sockaddr" sa_len
2843 else
2844 disable network
2845 fi
2846 fi
2847
2848 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2849 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2850
2851 check_func fcntl
2852 check_func fork
2853 check_func getaddrinfo $network_extralibs
2854 check_func gethrtime
2855 check_func getrusage
2856 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2857 check_func gettimeofday
2858 check_func inet_aton $network_extralibs
2859 check_func isatty
2860 check_func localtime_r
2861 check_func ${malloc_prefix}memalign && enable memalign
2862 check_func mkstemp
2863 check_func mmap
2864 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2865 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
2866 check_func setrlimit
2867 check_func strerror_r
2868 check_func strptime
2869 check_func strtok_r
2870 check_func sched_getaffinity
2871 check_func sysconf
2872 check_func sysctl
2873 check_func usleep
2874 check_func_headers io.h setmode
2875 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2876 check_func_headers windows.h GetProcessAffinityMask
2877 check_func_headers windows.h GetProcessTimes
2878 check_func_headers windows.h GetSystemTimeAsFileTime
2879 check_func_headers windows.h MapViewOfFile
2880 check_func_headers windows.h Sleep
2881 check_func_headers windows.h VirtualAlloc
2882
2883 check_header dlfcn.h
2884 check_header dxva.h
2885 check_header dxva2api.h
2886 check_header io.h
2887 check_header malloc.h
2888 check_header poll.h
2889 check_header sys/mman.h
2890 check_header sys/param.h
2891 check_header sys/resource.h
2892 check_header sys/select.h
2893 check_header sys/time.h
2894 check_header unistd.h
2895 check_header vdpau/vdpau.h
2896 check_header vdpau/vdpau_x11.h
2897 check_header windows.h
2898 check_header X11/extensions/XvMClib.h
2899
2900 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2901 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2902
2903 if ! disabled w32threads && ! enabled pthreads; then
2904 check_func _beginthreadex && enable w32threads
2905 fi
2906
2907 # check for some common methods of building with pthread support
2908 # do this before the optional library checks as some of them require pthreads
2909 if ! disabled pthreads && ! enabled w32threads; then
2910 enable pthreads
2911 if check_func pthread_create; then
2912 :
2913 elif check_func pthread_create -pthread; then
2914 add_cflags -pthread
2915 add_extralibs -pthread
2916 elif check_func pthread_create -pthreads; then
2917 add_cflags -pthreads
2918 add_extralibs -pthreads
2919 elif check_func pthread_create -lpthreadGC2; then
2920 add_extralibs -lpthreadGC2
2921 elif ! check_lib pthread.h pthread_create -lpthread; then
2922 disable pthreads
2923 fi
2924 fi
2925
2926 for thread in $THREADS_LIST; do
2927 if enabled $thread; then
2928 test -n "$thread_type" &&
2929 die "ERROR: Only one thread type must be selected." ||
2930 thread_type="$thread"
2931 fi
2932 done
2933
2934 check_lib math.h sin -lm && LIBM="-lm"
2935 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2936
2937 check_mathfunc cbrtf
2938 check_mathfunc exp2
2939 check_mathfunc exp2f
2940 check_mathfunc isinf
2941 check_mathfunc isnan
2942 check_mathfunc llrint
2943 check_mathfunc llrintf
2944 check_mathfunc log2
2945 check_mathfunc log2f
2946 check_mathfunc lrint
2947 check_mathfunc lrintf
2948 check_mathfunc round
2949 check_mathfunc roundf
2950 check_mathfunc trunc
2951 check_mathfunc truncf
2952
2953 # these are off by default, so fail if requested and not available
2954 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2955 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2956 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2957 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2958 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2959 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2960 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
2961 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2962 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2963 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2964 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2965 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2966 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2967 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2968 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2969 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2970 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2971 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2972 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2973 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2974 enabled libvpx && {
2975 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2976 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2977 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2978 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2979 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2980 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2981 die "ERROR: libx264 version must be >= 0.118."; }
2982 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2983 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2984 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2985 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2986 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2987 die "ERROR: openssl not found"; }
2988
2989 # libdc1394 check
2990 if enabled libdc1394; then
2991 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2992 enable libdc1394_2; } ||
2993 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2994 enable libdc1394_1; } ||
2995 die "ERROR: No version of libdc1394 found "
2996 fi
2997
2998 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2999 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3000 enable sdl &&
3001 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3002 fi
3003
3004 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3005
3006 check_header linux/fb.h
3007 check_header linux/videodev2.h
3008 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3009
3010 check_header sys/videoio.h
3011
3012 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3013 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3014 # w32api 3.12 had it defined wrong
3015 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3016
3017 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3018 { check_header dev/bktr/ioctl_meteor.h &&
3019 check_header dev/bktr/ioctl_bt848.h; } ||
3020 { check_header machine/ioctl_meteor.h &&
3021 check_header machine/ioctl_bt848.h; } ||
3022 { check_header dev/video/meteor/ioctl_meteor.h &&
3023 check_header dev/video/bktr/ioctl_bt848.h; } ||
3024 check_header dev/ic/bt8xx.h
3025
3026 check_header sndio.h
3027 check_header sys/soundcard.h
3028 check_header soundcard.h
3029
3030 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3031
3032 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3033 check_func jack_port_get_latency_range -ljack
3034
3035 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3036
3037 enabled libcdio &&
3038 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3039
3040 enabled x11grab &&
3041 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3042 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3043 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3044
3045 # check for VDA header
3046 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3047 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3048 fi
3049
3050 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3051 check_cpp_condition \
3052 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3053 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3054 disable vdpau; }
3055 fi
3056
3057 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3058
3059 # add some useful compiler flags if supported
3060 check_cflags -Wdeclaration-after-statement
3061 check_cflags -Wall
3062 check_cflags -Wno-parentheses
3063 check_cflags -Wno-switch
3064 check_cflags -Wno-format-zero-length
3065 check_cflags -Wdisabled-optimization
3066 check_cflags -Wpointer-arith
3067 check_cflags -Wredundant-decls
3068 check_cflags -Wno-pointer-sign
3069 check_cflags -Wcast-qual
3070 check_cflags -Wwrite-strings
3071 check_cflags -Wtype-limits
3072 check_cflags -Wundef
3073 check_cflags -Wmissing-prototypes
3074 check_cflags -Wstrict-prototypes
3075 enabled extra_warnings && check_cflags -Winline
3076
3077 # add some linker flags
3078 check_ldflags -Wl,--warn-common
3079 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3080 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3081
3082 enabled xmm_clobber_test && \
3083 check_ldflags -Wl,--wrap,avcodec_open2 \
3084 -Wl,--wrap,avcodec_decode_audio4 \
3085 -Wl,--wrap,avcodec_decode_video2 \
3086 -Wl,--wrap,avcodec_decode_subtitle2 \
3087 -Wl,--wrap,avcodec_encode_audio2 \
3088 -Wl,--wrap,avcodec_encode_video \
3089 -Wl,--wrap,avcodec_encode_subtitle \
3090 -Wl,--wrap,sws_scale || \
3091 disable xmm_clobber_test
3092
3093 echo "X{};" > $TMPV
3094 if test_ldflags -Wl,--version-script,$TMPV; then
3095 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3096 check_cc <<EOF && enable symver_asm_label
3097 void ff_foo(void) __asm__ ("av_foo@VERSION");
3098 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3099 EOF
3100 check_cc <<EOF && enable symver_gnu_asm
3101 __asm__(".symver ff_foo,av_foo@VERSION");
3102 void ff_foo(void) {}
3103 EOF
3104 fi
3105
3106 if [ -n "$optflags" ]; then
3107 add_cflags $optflags
3108 elif enabled small; then
3109 add_cflags $size_cflags
3110 elif enabled optimizations; then
3111 add_cflags $speed_cflags
3112 else
3113 add_cflags $noopt_cflags
3114 fi
3115 check_cflags -fno-math-errno
3116 check_cflags -fno-signed-zeros
3117
3118 if enabled icc; then
3119 # Just warnings, no remarks
3120 check_cflags -w1
3121 # -wd: Disable following warnings
3122 # 144, 167, 556: -Wno-pointer-sign
3123 # 1292: attribute "foo" ignored
3124 # 1419: external declaration in primary source file
3125 # 10006: ignoring unknown option -fno-signed-zeros
3126 # 10148: ignoring unknown option -Wno-parentheses
3127 # 10156: ignoring option '-W'; no argument required
3128 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3129 # 11030: Warning unknown option --as-needed
3130 # 10156: ignoring option '-export'; no argument required
3131 check_ldflags -wd10156,11030
3132 # Allow to compile with optimizations
3133 check_ldflags -march=$cpu
3134 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3135 enable ebp_available
3136 if enabled x86_32; then
3137 test ${icc_version%%.*} -ge 11 && \
3138 check_cflags -falign-stack=maintain-16-byte || \
3139 disable aligned_stack
3140 fi
3141 elif enabled ccc; then
3142 # disable some annoying warnings
3143 add_cflags -msg_disable cvtu32to64
3144 add_cflags -msg_disable embedcomment
3145 add_cflags -msg_disable needconstext
3146 add_cflags -msg_disable nomainieee
3147 add_cflags -msg_disable ptrmismatch1
3148 add_cflags -msg_disable unreachcode
3149 elif enabled gcc; then
3150 check_cflags -fno-tree-vectorize
3151 check_cflags -Werror=implicit-function-declaration
3152 check_cflags -Werror=missing-prototypes
3153 check_cflags -Werror=declaration-after-statement
3154 elif enabled llvm_gcc; then
3155 check_cflags -mllvm -stack-alignment=16
3156 elif enabled clang; then
3157 check_cflags -mllvm -stack-alignment=16
3158 check_cflags -Qunused-arguments
3159 elif enabled armcc; then
3160 # 2523: use of inline assembler is deprecated
3161 add_cflags -W${armcc_opt},--diag_suppress=2523
3162 add_cflags -W${armcc_opt},--diag_suppress=1207
3163 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3164 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3165 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3166 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3167 elif enabled tms470; then
3168 add_cflags -pds=824 -pds=837
3169 elif enabled pathscale; then
3170 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3171 fi
3172
3173 enabled_any $THREADS_LIST && enable threads
3174
3175 check_deps $CONFIG_LIST \
3176 $CONFIG_EXTRA \
3177 $HAVE_LIST \
3178 $ALL_COMPONENTS \
3179 $ALL_TESTS \
3180
3181 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3182
3183 ! enabled_any memalign posix_memalign aligned_malloc &&
3184 enabled_any $need_memalign && enable memalign_hack
3185
3186 echo "install prefix $prefix"
3187 echo "source path $source_path"
3188 echo "C compiler $cc"
3189 echo "ARCH $arch ($cpu)"
3190 if test "$build_suffix" != ""; then
3191 echo "build suffix $build_suffix"
3192 fi
3193 if test "$extra_version" != ""; then
3194 echo "version string suffix $extra_version"
3195 fi
3196 echo "big-endian ${bigendian-no}"
3197 echo "runtime cpu detection ${runtime_cpudetect-no}"
3198 if enabled x86; then
3199 echo "${yasmexe} ${yasm-no}"
3200 echo "MMX enabled ${mmx-no}"
3201 echo "MMX2 enabled ${mmx2-no}"
3202 echo "3DNow! enabled ${amd3dnow-no}"
3203 echo "3DNow! extended enabled ${amd3dnowext-no}"
3204 echo "SSE enabled ${sse-no}"
3205 echo "SSSE3 enabled ${ssse3-no}"
3206 echo "AVX enabled ${avx-no}"
3207 echo "CMOV enabled ${cmov-no}"
3208 echo "CMOV is fast ${fast_cmov-no}"
3209 echo "EBX available ${ebx_available-no}"
3210 echo "EBP available ${ebp_available-no}"
3211 fi
3212 if enabled arm; then
3213 echo "ARMv5TE enabled ${armv5te-no}"
3214 echo "ARMv6 enabled ${armv6-no}"
3215 echo "ARMv6T2 enabled ${armv6t2-no}"
3216 echo "ARM VFP enabled ${armvfp-no}"
3217 echo "NEON enabled ${neon-no}"
3218 fi
3219 if enabled mips; then
3220 echo "MMI enabled ${mmi-no}"
3221 fi
3222 if enabled ppc; then
3223 echo "AltiVec enabled ${altivec-no}"
3224 echo "PPC 4xx optimizations ${ppc4xx-no}"
3225 echo "dcbzl available ${dcbzl-no}"
3226 fi
3227 if enabled sparc; then
3228 echo "VIS enabled ${vis-no}"
3229 fi
3230 echo "debug symbols ${debug-no}"
3231 echo "optimize for size ${small-no}"
3232 echo "optimizations ${optimizations-no}"
3233 echo "static ${static-no}"
3234 echo "shared ${shared-no}"
3235 echo "new filter support ${avfilter-no}"
3236 echo "network support ${network-no}"
3237 echo "threading support ${thread_type-no}"
3238 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3239 echo "SDL support ${sdl-no}"
3240 echo "libdxva2 enabled ${dxva2-no}"
3241 echo "libva enabled ${vaapi-no}"
3242 echo "libvdpau enabled ${vdpau-no}"
3243 echo "AVISynth enabled ${avisynth-no}"
3244 echo "frei0r enabled ${frei0r-no}"
3245 echo "gnutls enabled ${gnutls-no}"
3246 echo "libcdio support ${libcdio-no}"
3247 echo "libdc1394 support ${libdc1394-no}"
3248 echo "libfaac enabled ${libfaac-no}"
3249 echo "libgsm enabled ${libgsm-no}"
3250 echo "libilbc enabled ${libilbc-no}"
3251 echo "libmp3lame enabled ${libmp3lame-no}"
3252 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3253 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3254 echo "libopencv support ${libopencv-no}"
3255 echo "libopenjpeg enabled ${libopenjpeg-no}"
3256 echo "libpulse enabled ${libpulse-no}"
3257 echo "librtmp enabled ${librtmp-no}"
3258 echo "libschroedinger enabled ${libschroedinger-no}"
3259 echo "libspeex enabled ${libspeex-no}"
3260 echo "libtheora enabled ${libtheora-no}"
3261 echo "libvo-aacenc support ${libvo_aacenc-no}"
3262 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3263 echo "libvorbis enabled ${libvorbis-no}"
3264 echo "libvpx enabled ${libvpx-no}"
3265 echo "libx264 enabled ${libx264-no}"
3266 echo "libxavs enabled ${libxavs-no}"
3267 echo "libxvid enabled ${libxvid-no}"
3268 echo "openssl enabled ${openssl-no}"
3269 echo "zlib enabled ${zlib-no}"
3270 echo "bzlib enabled ${bzlib-no}"
3271 echo
3272
3273 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3274 echo "Enabled ${type}s:"
3275 eval list=\$$(toupper $type)_LIST
3276 print_enabled '_*' $list | sort | pr -r -3 -t
3277 echo
3278 done
3279
3280 license="LGPL version 2.1 or later"
3281 if enabled nonfree; then
3282 license="nonfree and unredistributable"
3283 elif enabled gplv3; then
3284 license="GPL version 3 or later"
3285 elif enabled lgplv3; then
3286 license="LGPL version 3 or later"
3287 elif enabled gpl; then
3288 license="GPL version 2 or later"
3289 fi
3290
3291 echo "License: $license"
3292
3293 echo "Creating config.mak and config.h..."
3294
3295 test -e Makefile || $ln_s "$source_path/Makefile" .
3296
3297 config_files="$TMPH config.mak"
3298
3299 cat > config.mak <<EOF
3300 # Automatically generated by configure - do not modify!
3301 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3302 prefix=$prefix
3303 LIBDIR=\$(DESTDIR)$libdir
3304 SHLIBDIR=\$(DESTDIR)$shlibdir
3305 INCDIR=\$(DESTDIR)$incdir
3306 BINDIR=\$(DESTDIR)$bindir
3307 DATADIR=\$(DESTDIR)$datadir
3308 MANDIR=\$(DESTDIR)$mandir
3309 SRC_PATH=$source_path
3310 CC_IDENT=$cc_ident
3311 ARCH=$arch
3312 CC=$cc
3313 AS=$as
3314 LD=$ld
3315 DEPCC=$dep_cc
3316 YASM=$yasmexe
3317 YASMDEP=$yasmexe
3318 AR=$ar
3319 RANLIB=$ranlib
3320 LN_S=$ln_s
3321 CPPFLAGS=$CPPFLAGS
3322 CFLAGS=$CFLAGS
3323 ASFLAGS=$ASFLAGS
3324 AS_O=$CC_O
3325 CC_O=$CC_O
3326 DLLTOOL=$dlltool
3327 LDFLAGS=$LDFLAGS
3328 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3329 SHFLAGS=$SHFLAGS
3330 YASMFLAGS=$YASMFLAGS
3331 BUILDSUF=$build_suffix
3332 FULLNAME=$FULLNAME
3333 LIBPREF=$LIBPREF
3334 LIBSUF=$LIBSUF
3335 LIBNAME=$LIBNAME
3336 SLIBPREF=$SLIBPREF
3337 SLIBSUF=$SLIBSUF
3338 EXESUF=$EXESUF
3339 EXTRA_VERSION=$extra_version
3340 DEPFLAGS=$DEPFLAGS
3341 CCDEP=$CCDEP
3342 ASDEP=$ASDEP
3343 CC_DEPFLAGS=$CC_DEPFLAGS
3344 AS_DEPFLAGS=$AS_DEPFLAGS
3345 HOSTCC=$host_cc
3346 HOSTCFLAGS=$host_cflags
3347 HOSTEXESUF=$HOSTEXESUF
3348 HOSTLDFLAGS=$host_ldflags
3349 HOSTLIBS=$host_libs
3350 TARGET_EXEC=$target_exec
3351 TARGET_PATH=$target_path
3352 SDL_LIBS=$sdl_libs
3353 SDL_CFLAGS=$sdl_cflags
3354 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3355 EXTRALIBS=$extralibs
3356 INSTALL=install
3357 LIBTARGET=${LIBTARGET}
3358 SLIBNAME=${SLIBNAME}
3359 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3360 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3361 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3362 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3363 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3364 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3365 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3366 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3367 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3368 EOF
3369
3370 get_version(){
3371 lcname=$1
3372 name=$(toupper $lcname)
3373 file=$source_path/$lcname/version.h
3374 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3375 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3376 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3377 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3378 }
3379
3380 get_version libavcodec
3381 get_version libavdevice
3382 get_version libavfilter
3383 get_version libavformat
3384 get_version libavresample
3385 get_version libavutil
3386 get_version libswscale
3387
3388 cat > $TMPH <<EOF
3389 /* Automatically generated by configure - do not modify! */
3390 #ifndef LIBAV_CONFIG_H
3391 #define LIBAV_CONFIG_H
3392 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3393 #define LIBAV_LICENSE "$(c_escape $license)"
3394 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3395 #define CC_TYPE "$cc_type"
3396 #define CC_VERSION $cc_version
3397 #define restrict $_restrict
3398 #define EXTERN_PREFIX "${extern_prefix}"
3399 #define EXTERN_ASM ${extern_prefix}
3400 #define SLIBSUF "$SLIBSUF"
3401 EOF
3402
3403 test -n "$malloc_prefix" &&
3404 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3405
3406 if enabled yasm; then
3407 append config_files $TMPASM
3408 printf '' >$TMPASM
3409 fi
3410
3411 print_config ARCH_ "$config_files" $ARCH_LIST
3412 print_config HAVE_ "$config_files" $HAVE_LIST
3413 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3414 $CONFIG_EXTRA \
3415 $ALL_COMPONENTS \
3416
3417 cat >>config.mak <<EOF
3418 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3419 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3420 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3421 EOF
3422
3423 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3424
3425 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3426 cp_if_changed $TMPH config.h
3427 touch .config
3428
3429 enabled yasm && cp_if_changed $TMPASM config.asm
3430
3431 cat > $TMPH <<EOF
3432 /* Generated by ffconf */
3433 #ifndef AVUTIL_AVCONFIG_H
3434 #define AVUTIL_AVCONFIG_H
3435 EOF
3436
3437 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3438
3439 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3440
3441 cp_if_changed $TMPH libavutil/avconfig.h
3442
3443 test -n "$WARNINGS" && printf "\n$WARNINGS"
3444
3445 # build pkg-config files
3446
3447 pkgconfig_generate(){
3448 name=$1
3449 shortname=${name#lib}${build_suffix}
3450 comment=$2
3451 version=$3
3452 libs=$4
3453 requires=$5
3454 enabled ${name#lib} || return 0
3455 mkdir -p $name
3456 cat <<EOF > $name/$name.pc
3457 prefix=$prefix
3458 exec_prefix=\${prefix}
3459 libdir=$libdir
3460 includedir=$incdir
3461
3462 Name: $name
3463 Description: $comment
3464 Version: $version
3465 Requires: $(enabled shared || echo $requires)
3466 Requires.private: $(enabled shared && echo $requires)
3467 Conflicts:
3468 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3469 Libs.private: $(enabled shared && echo $libs)
3470 Cflags: -I\${includedir}
3471 EOF
3472 cat <<EOF > $name/$name-uninstalled.pc
3473 prefix=
3474 exec_prefix=
3475 libdir=\${pcfiledir}
3476 includedir=${source_path}
3477
3478 Name: $name
3479 Description: $comment
3480 Version: $version
3481 Requires: $requires
3482 Conflicts:
3483 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3484 Cflags: -I\${includedir}
3485 EOF
3486 }
3487
3488 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3489 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3490 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3491 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3492 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3493 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3494 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"