kmvc: Use bytestream2 functions to prevent buffer overreads.
[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 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --disable-safe-bitstream-reader
117 disable buffer boundary checking in bitreaders
118 (faster, but may crash)
119 --enable-memalign-hack emulate memalign, interferes with memory debuggers
120 --disable-everything disable all components listed below
121 --disable-encoder=NAME disable encoder NAME
122 --enable-encoder=NAME enable encoder NAME
123 --disable-encoders disable all encoders
124 --disable-decoder=NAME disable decoder NAME
125 --enable-decoder=NAME enable decoder NAME
126 --disable-decoders disable all decoders
127 --disable-hwaccel=NAME disable hwaccel NAME
128 --enable-hwaccel=NAME enable hwaccel NAME
129 --disable-hwaccels disable all hwaccels
130 --disable-muxer=NAME disable muxer NAME
131 --enable-muxer=NAME enable muxer NAME
132 --disable-muxers disable all muxers
133 --disable-demuxer=NAME disable demuxer NAME
134 --enable-demuxer=NAME enable demuxer NAME
135 --disable-demuxers disable all demuxers
136 --enable-parser=NAME enable parser NAME
137 --disable-parser=NAME disable parser NAME
138 --disable-parsers disable all parsers
139 --enable-bsf=NAME enable bitstream filter NAME
140 --disable-bsf=NAME disable bitstream filter NAME
141 --disable-bsfs disable all bitstream filters
142 --enable-protocol=NAME enable protocol NAME
143 --disable-protocol=NAME disable protocol NAME
144 --disable-protocols disable all protocols
145 --disable-indev=NAME disable input device NAME
146 --disable-outdev=NAME disable output device NAME
147 --disable-indevs disable input devices
148 --disable-outdevs disable output devices
149 --disable-devices disable all devices
150 --enable-filter=NAME enable filter NAME
151 --disable-filter=NAME disable filter NAME
152 --disable-filters disable all filters
153 --list-decoders show all available decoders
154 --list-encoders show all available encoders
155 --list-hwaccels show all available hardware accelerators
156 --list-muxers show all available muxers
157 --list-demuxers show all available demuxers
158 --list-parsers show all available parsers
159 --list-protocols show all available protocols
160 --list-bsfs show all available bitstream filters
161 --list-indevs show all available input devices
162 --list-outdevs show all available output devices
163 --list-filters show all available filters
164
165 External library support:
166 --enable-avisynth enable reading of AVISynth script files [no]
167 --enable-bzlib enable bzlib [autodetect]
168 --enable-frei0r enable frei0r video filtering
169 --enable-gnutls enable gnutls [no]
170 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
171 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
172 --enable-libopencv enable video filtering via libopencv [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libdirac enable Dirac support via libdirac [no]
177 --enable-libfaac enable FAAC support via libfaac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM support via libgsm [no]
180 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
181 --enable-libnut enable NUT (de)muxing via libnut,
182 native (de)muxer exists [no]
183 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac support via libschroedinger [no]
187 --enable-libspeex enable Speex support via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis,
192 native implementation exists [no]
193 --enable-libvpx enable VP8 support via libvpx [no]
194 --enable-libx264 enable H.264 encoding via x264 [no]
195 --enable-libxavs enable AVS encoding via xavs [no]
196 --enable-libxvid enable Xvid encoding via xvidcore,
197 native MPEG-4/Xvid encoder exists [no]
198 --enable-mlib enable Sun medialib [no]
199 --enable-openssl enable openssl [no]
200 --enable-zlib enable zlib [autodetect]
201
202 Advanced options (experts only):
203 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
204 --enable-cross-compile assume a cross-compiler is used
205 --sysroot=PATH root of cross-build tree
206 --sysinclude=PATH location of cross-build system headers
207 --target-os=OS compiler targets OS [$target_os]
208 --target-exec=CMD command to run executables on target
209 --target-path=DIR path to view of build directory on target
210 --nm=NM use nm tool
211 --ar=AR use archive tool AR [$ar_default]
212 --as=AS use assembler AS [$as_default]
213 --cc=CC use C compiler CC [$cc_default]
214 --ld=LD use linker LD
215 --host-cc=HOSTCC use host C compiler HOSTCC
216 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
223 --build-suffix=SUFFIX library name suffix []
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --disable-asm disable all assembler optimizations
228 --disable-altivec disable AltiVec optimizations
229 --disable-amd3dnow disable 3DNow! optimizations
230 --disable-amd3dnowext disable 3DNow! extended optimizations
231 --disable-mmx disable MMX optimizations
232 --disable-mmx2 disable MMX2 optimizations
233 --disable-sse disable SSE optimizations
234 --disable-ssse3 disable SSSE3 optimizations
235 --disable-avx disable AVX optimizations
236 --disable-armv5te disable armv5te optimizations
237 --disable-armv6 disable armv6 optimizations
238 --disable-armv6t2 disable armv6t2 optimizations
239 --disable-armvfp disable ARM VFP optimizations
240 --disable-iwmmxt disable iwmmxt optimizations
241 --disable-mmi disable MMI optimizations
242 --disable-neon disable neon optimizations
243 --disable-vis disable VIS optimizations
244 --disable-yasm disable use of yasm assembler
245 --enable-pic build position-independent code
246 --malloc-prefix=PFX prefix malloc and related names with PFX
247 --enable-sram allow use of on-chip SRAM
248 --disable-symver disable symbol versioning
249 --optflags override optimization-related compiler flags
250
251 Developer options (useful when working on Libav itself):
252 --disable-debug disable debugging symbols
253 --enable-debug=LEVEL set the debug level [$debuglevel]
254 --disable-optimizations disable compiler optimizations
255 --enable-extra-warnings enable more compiler warnings
256 --samples=PATH location of test samples for FATE, if not set use
257 \$FATE_SAMPLES at make invocation time.
258
259 NOTE: Object files are built at the place where configure is launched.
260 EOF
261 exit 0
262 }
263
264 quotes='""'
265
266 log(){
267 echo "$@" >> $logfile
268 }
269
270 log_file(){
271 log BEGIN $1
272 pr -n -t $1 >> $logfile
273 log END $1
274 }
275
276 echolog(){
277 log "$@"
278 echo "$@"
279 }
280
281 warn(){
282 log "WARNING: $*"
283 WARNINGS="${WARNINGS}WARNING: $*\n"
284 }
285
286 die(){
287 echolog "$@"
288 cat <<EOF
289
290 If you think configure made a mistake, make sure you are using the latest
291 version from Git. If the latest version fails, report the problem to the
292 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
293 EOF
294 if disabled logging; then
295 cat <<EOF
296 Rerun configure with logging enabled (do not use --disable-logging), and
297 include the log this produces with your report.
298 EOF
299 else
300 cat <<EOF
301 Include the log file "$logfile" produced by configure as this will help
302 solving the problem.
303 EOF
304 fi
305 exit 1
306 }
307
308 # Avoid locale weirdness, besides we really just want to translate ASCII.
309 toupper(){
310 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
311 }
312
313 tolower(){
314 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
315 }
316
317 c_escape(){
318 echo "$*" | sed 's/["\\]/\\\0/g'
319 }
320
321 sh_quote(){
322 v=$(echo "$1" | sed "s/'/'\\\\''/g")
323 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
324 echo "$v"
325 }
326
327 cleanws(){
328 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
329 }
330
331 filter(){
332 pat=$1
333 shift
334 for v; do
335 eval "case $v in $pat) echo $v ;; esac"
336 done
337 }
338
339 filter_out(){
340 pat=$1
341 shift
342 for v; do
343 eval "case $v in $pat) ;; *) echo $v ;; esac"
344 done
345 }
346
347 map(){
348 m=$1
349 shift
350 for v; do eval $m; done
351 }
352
353 set_all(){
354 value=$1
355 shift
356 for var in $*; do
357 eval $var=$value
358 done
359 }
360
361 set_weak(){
362 value=$1
363 shift
364 for var; do
365 eval : \${$var:=$value}
366 done
367 }
368
369 set_safe(){
370 var=$1
371 shift
372 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
373 }
374
375 get_safe(){
376 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
377 }
378
379 pushvar(){
380 for var in $*; do
381 eval level=\${${var}_level:=0}
382 eval ${var}_${level}="\$$var"
383 eval ${var}_level=$(($level+1))
384 done
385 }
386
387 popvar(){
388 for var in $*; do
389 eval level=\${${var}_level:-0}
390 test $level = 0 && continue
391 eval level=$(($level-1))
392 eval $var="\${${var}_${level}}"
393 eval ${var}_level=$level
394 eval unset ${var}_${level}
395 done
396 }
397
398 enable(){
399 set_all yes $*
400 }
401
402 disable(){
403 set_all no $*
404 }
405
406 enable_weak(){
407 set_weak yes $*
408 }
409
410 disable_weak(){
411 set_weak no $*
412 }
413
414 enable_safe(){
415 for var; do
416 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
417 done
418 }
419
420 disable_safe(){
421 for var; do
422 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 do_enable_deep(){
427 for var; do
428 enabled $var && continue
429 eval sel="\$${var}_select"
430 eval sgs="\$${var}_suggest"
431 pushvar var sgs
432 enable_deep $sel
433 popvar sgs
434 enable_deep_weak $sgs
435 popvar var
436 done
437 }
438
439 enable_deep(){
440 do_enable_deep $*
441 enable $*
442 }
443
444 enable_deep_weak(){
445 do_enable_deep $*
446 enable_weak $*
447 }
448
449 enabled(){
450 test "${1#!}" = "$1" && op== || op=!=
451 eval test "x\$${1#!}" $op "xyes"
452 }
453
454 disabled(){
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xno"
457 }
458
459 enabled_all(){
460 for opt; do
461 enabled $opt || return 1
462 done
463 }
464
465 disabled_all(){
466 for opt; do
467 disabled $opt || return 1
468 done
469 }
470
471 enabled_any(){
472 for opt; do
473 enabled $opt && return 0
474 done
475 }
476
477 disabled_any(){
478 for opt; do
479 disabled $opt && return 0
480 done
481 return 1
482 }
483
484 set_default(){
485 for opt; do
486 eval : \${$opt:=\$${opt}_default}
487 done
488 }
489
490 is_in(){
491 value=$1
492 shift
493 for var in $*; do
494 [ $var = $value ] && return 0
495 done
496 return 1
497 }
498
499 check_deps(){
500 for cfg; do
501 cfg="${cfg#!}"
502 enabled ${cfg}_checking && die "Circular dependency for $cfg."
503 disabled ${cfg}_checking && continue
504 enable ${cfg}_checking
505
506 eval dep_all="\$${cfg}_deps"
507 eval dep_any="\$${cfg}_deps_any"
508 eval dep_sel="\$${cfg}_select"
509 eval dep_sgs="\$${cfg}_suggest"
510 eval dep_ifa="\$${cfg}_if"
511 eval dep_ifn="\$${cfg}_if_any"
512
513 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
514 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
515 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
516
517 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
518 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
519 enabled_all $dep_all || disable $cfg
520 enabled_any $dep_any || disable $cfg
521 disabled_any $dep_sel && disable $cfg
522
523 if enabled $cfg; then
524 eval dep_extralibs="\$${cfg}_extralibs"
525 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
526 enable_deep $dep_sel
527 enable_deep_weak $dep_sgs
528 fi
529
530 disable ${cfg}_checking
531 done
532 }
533
534 print_config_h(){
535 enabled $1 && v=1 || v=0
536 echo "#define $2 $v"
537 }
538
539 print_config_mak(){
540 enabled $1 && v= || v=!
541 echo "$v$2=yes"
542 }
543
544 print_config_asm(){
545 enabled $1 && echo "%define $2"
546 }
547
548 print_config(){
549 pfx=$1
550 files=$2
551 shift 2
552 for cfg; do
553 ucname="$(toupper $cfg)"
554 for f in $files; do
555 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
556 done
557 done
558 }
559
560 print_enabled(){
561 test "$1" = -n && end=" " && shift || end="\n"
562 suf=$1
563 shift
564 for v; do
565 enabled $v && printf "%s$end" ${v%$suf};
566 done
567 }
568
569 append(){
570 var=$1
571 shift
572 eval "$var=\"\$$var $*\""
573 }
574
575 prepend(){
576 var=$1
577 shift
578 eval "$var=\"$* \$$var\""
579 }
580
581 add_cppflags(){
582 append CPPFLAGS $($filter_cppflags "$@")
583 }
584
585 add_cflags(){
586 append CFLAGS $($filter_cflags "$@")
587 }
588
589 add_asflags(){
590 append ASFLAGS $($filter_asflags "$@")
591 }
592
593 add_ldflags(){
594 append LDFLAGS "$@"
595 }
596
597 add_extralibs(){
598 prepend extralibs "$@"
599 }
600
601 check_cmd(){
602 log "$@"
603 "$@" >> $logfile 2>&1
604 }
605
606 check_cc(){
607 log check_cc "$@"
608 cat > $TMPC
609 log_file $TMPC
610 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
611 }
612
613 check_cpp(){
614 log check_cpp "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
618 }
619
620 check_as(){
621 log check_as "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
625 }
626
627 check_asm(){
628 log check_asm "$@"
629 name="$1"
630 code="$2"
631 shift 2
632 disable $name
633 check_as "$@" <<EOF && enable $name
634 void foo(void){ __asm__ volatile($code); }
635 EOF
636 }
637
638 check_yasm(){
639 log check_yasm "$@"
640 echo "$1" > $TMPS
641 log_file $TMPS
642 shift 1
643 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
644 }
645
646 check_ld(){
647 log check_ld "$@"
648 flags=''
649 libs=''
650 for f; do
651 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
652 done
653 check_cc $($filter_cflags $flags) || return
654 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
655 }
656
657 check_cppflags(){
658 log check_cppflags "$@"
659 set -- $($filter_cppflags "$@")
660 check_cc "$@" <<EOF && append CPPFLAGS "$@"
661 int x;
662 EOF
663 }
664
665 check_cflags(){
666 log check_cflags "$@"
667 set -- $($filter_cflags "$@")
668 check_cc "$@" <<EOF && append CFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 test_ldflags(){
674 log test_ldflags "$@"
675 check_ld "$@" <<EOF
676 int main(void){ return 0; }
677 EOF
678 }
679
680 check_ldflags(){
681 log check_ldflags "$@"
682 test_ldflags "$@" && add_ldflags "$@"
683 }
684
685 check_header(){
686 log check_header "$@"
687 header=$1
688 shift
689 disable_safe $header
690 check_cpp "$@" <<EOF && enable_safe $header
691 #include <$header>
692 int x;
693 EOF
694 }
695
696 check_func(){
697 log check_func "$@"
698 func=$1
699 shift
700 disable $func
701 check_ld "$@" <<EOF && enable $func
702 extern int $func();
703 int main(void){ $func(); }
704 EOF
705 }
706
707 check_mathfunc(){
708 log check_mathfunc "$@"
709 func=$1
710 shift
711 disable $func
712 check_ld "$@" <<EOF && enable $func
713 #include <math.h>
714 float foo(float f) { return $func(f); }
715 int main(void){ return 0; }
716 EOF
717 }
718
719 check_func_headers(){
720 log check_func_headers "$@"
721 headers=$1
722 funcs=$2
723 shift 2
724 {
725 for hdr in $headers; do
726 echo "#include <$hdr>"
727 done
728 for func in $funcs; do
729 echo "long check_$func(void) { return (long) $func; }"
730 done
731 echo "int main(void) { return 0; }"
732 } | check_ld "$@" && enable $funcs && enable_safe $headers
733 }
734
735 check_cpp_condition(){
736 log check_cpp_condition "$@"
737 header=$1
738 condition=$2
739 shift 2
740 check_cpp $($filter_cppflags "$@") <<EOF
741 #include <$header>
742 #if !($condition)
743 #error "unsatisfied condition: $condition"
744 #endif
745 EOF
746 }
747
748 check_lib(){
749 log check_lib "$@"
750 header="$1"
751 func="$2"
752 shift 2
753 check_header $header && check_func $func "$@" && add_extralibs "$@"
754 }
755
756 check_lib2(){
757 log check_lib2 "$@"
758 headers="$1"
759 funcs="$2"
760 shift 2
761 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
762 }
763
764 check_pkg_config(){
765 log check_pkg_config "$@"
766 pkg="$1"
767 headers="$2"
768 funcs="$3"
769 shift 3
770 $pkg_config --exists $pkg || return
771 pkg_cflags=$($pkg_config --cflags $pkg)
772 pkg_libs=$($pkg_config --libs $pkg)
773 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
774 set_safe ${pkg}_cflags $pkg_cflags &&
775 set_safe ${pkg}_libs $pkg_libs
776 }
777
778 check_exec(){
779 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
780 }
781
782 check_exec_crash(){
783 code=$(cat)
784
785 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
786 # are safe but may not be available everywhere. Thus we use
787 # raise(SIGTERM) instead. The check is run in a subshell so we
788 # can redirect the "Terminated" message from the shell. SIGBUS
789 # is not defined by standard C so it is used conditionally.
790
791 (check_exec "$@") >> $logfile 2>&1 <<EOF
792 #include <signal.h>
793 static void sighandler(int sig){
794 raise(SIGTERM);
795 }
796 int main(void){
797 signal(SIGILL, sighandler);
798 signal(SIGFPE, sighandler);
799 signal(SIGSEGV, sighandler);
800 #ifdef SIGBUS
801 signal(SIGBUS, sighandler);
802 #endif
803 { $code }
804 }
805 EOF
806 }
807
808 check_type(){
809 log check_type "$@"
810 headers=$1
811 type=$2
812 shift 2
813 disable_safe "$type"
814 incs=""
815 for hdr in $headers; do
816 incs="$incs
817 #include <$hdr>"
818 done
819 check_cc "$@" <<EOF && enable_safe "$type"
820 $incs
821 $type v;
822 EOF
823 }
824
825 check_struct(){
826 log check_type "$@"
827 headers=$1
828 struct=$2
829 member=$3
830 shift 3
831 disable_safe "${struct}_${member}"
832 incs=""
833 for hdr in $headers; do
834 incs="$incs
835 #include <$hdr>"
836 done
837 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
838 $incs
839 const void *p = &(($struct *)0)->$member;
840 EOF
841 }
842
843 require(){
844 name="$1"
845 header="$2"
846 func="$3"
847 shift 3
848 check_lib $header $func "$@" || die "ERROR: $name not found"
849 }
850
851 require2(){
852 name="$1"
853 headers="$2"
854 func="$3"
855 shift 3
856 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
857 }
858
859 require_pkg_config(){
860 pkg="$1"
861 check_pkg_config "$@" || die "ERROR: $pkg not found"
862 add_cflags $(get_safe ${pkg}_cflags)
863 add_extralibs $(get_safe ${pkg}_libs)
864 }
865
866 check_host_cc(){
867 log check_host_cc "$@"
868 cat > $TMPC
869 log_file $TMPC
870 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
871 }
872
873 check_host_cflags(){
874 log check_host_cflags "$@"
875 check_host_cc "$@" <<EOF && append host_cflags "$@"
876 int x;
877 EOF
878 }
879
880 apply(){
881 file=$1
882 shift
883 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
884 }
885
886 cp_if_changed(){
887 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
888 mkdir -p "$(dirname $2)"
889 cp -f "$1" "$2"
890 }
891
892 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
893 # system-dependent things.
894
895 COMPONENT_LIST="
896 bsfs
897 decoders
898 demuxers
899 encoders
900 filters
901 hwaccels
902 indevs
903 muxers
904 outdevs
905 parsers
906 protocols
907 "
908
909 PROGRAM_LIST="
910 avconv
911 avplay
912 avprobe
913 avserver
914 ffmpeg
915 "
916
917 CONFIG_LIST="
918 $COMPONENT_LIST
919 $PROGRAM_LIST
920 aandct
921 ac3dsp
922 avcodec
923 avdevice
924 avfilter
925 avformat
926 avisynth
927 bzlib
928 dct
929 doc
930 dwt
931 dxva2
932 fastdiv
933 fft
934 frei0r
935 gnutls
936 golomb
937 gpl
938 gray
939 h264chroma
940 h264dsp
941 h264pred
942 hardcoded_tables
943 huffman
944 libcdio
945 libdc1394
946 libdirac
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lpc
969 lsp
970 mdct
971 memalign_hack
972 mlib
973 mpegaudiodsp
974 network
975 nonfree
976 openssl
977 pic
978 postproc
979 rdft
980 rtpdec
981 runtime_cpudetect
982 safe_bitstream_reader
983 shared
984 sinewin
985 small
986 sram
987 static
988 swscale
989 swscale_alpha
990 thumb
991 vaapi
992 vda
993 vdpau
994 version3
995 x11grab
996 zlib
997 "
998
999 THREADS_LIST='
1000 pthreads
1001 w32threads
1002 '
1003
1004 ARCH_LIST='
1005 alpha
1006 arm
1007 avr32
1008 avr32_ap
1009 avr32_uc
1010 bfin
1011 ia64
1012 m68k
1013 mips
1014 mips64
1015 parisc
1016 ppc
1017 ppc64
1018 s390
1019 sh4
1020 sparc
1021 sparc64
1022 tomi
1023 x86
1024 x86_32
1025 x86_64
1026 '
1027
1028 ARCH_EXT_LIST='
1029 altivec
1030 amd3dnow
1031 amd3dnowext
1032 armv5te
1033 armv6
1034 armv6t2
1035 armvfp
1036 avx
1037 iwmmxt
1038 mmi
1039 mmx
1040 mmx2
1041 neon
1042 ppc4xx
1043 sse
1044 ssse3
1045 vfpv3
1046 vis
1047 '
1048
1049 HAVE_LIST_PUB='
1050 bigendian
1051 fast_unaligned
1052 '
1053
1054 HAVE_LIST="
1055 $ARCH_EXT_LIST
1056 $HAVE_LIST_PUB
1057 $THREADS_LIST
1058 aligned_stack
1059 alsa_asoundlib_h
1060 altivec_h
1061 arpa_inet_h
1062 asm_mod_y
1063 attribute_may_alias
1064 attribute_packed
1065 closesocket
1066 cmov
1067 dcbzl
1068 dev_bktr_ioctl_bt848_h
1069 dev_bktr_ioctl_meteor_h
1070 dev_ic_bt8xx_h
1071 dev_video_bktr_ioctl_bt848_h
1072 dev_video_meteor_ioctl_meteor_h
1073 dlfcn_h
1074 dlopen
1075 dos_paths
1076 ebp_available
1077 ebx_available
1078 exp2
1079 exp2f
1080 fast_64bit
1081 fast_clz
1082 fast_cmov
1083 fcntl
1084 fork
1085 getaddrinfo
1086 gethrtime
1087 GetProcessAffinityMask
1088 GetProcessMemoryInfo
1089 GetProcessTimes
1090 getrusage
1091 gnu_as
1092 ibm_asm
1093 inet_aton
1094 inline_asm
1095 isatty
1096 ldbrx
1097 libdc1394_1
1098 libdc1394_2
1099 llrint
1100 llrintf
1101 local_aligned_16
1102 local_aligned_8
1103 localtime_r
1104 log2
1105 log2f
1106 loongson
1107 lrint
1108 lrintf
1109 lzo1x_999_compress
1110 machine_ioctl_bt848_h
1111 machine_ioctl_meteor_h
1112 malloc_h
1113 MapViewOfFile
1114 memalign
1115 mkstemp
1116 mmap
1117 poll_h
1118 posix_memalign
1119 round
1120 roundf
1121 sched_getaffinity
1122 sdl
1123 sdl_video_size
1124 setmode
1125 setrlimit
1126 sndio_h
1127 socklen_t
1128 soundcard_h
1129 strerror_r
1130 strptime
1131 strtok_r
1132 struct_addrinfo
1133 struct_ipv6_mreq
1134 struct_rusage_ru_maxrss
1135 struct_sockaddr_in6
1136 struct_sockaddr_sa_len
1137 struct_sockaddr_storage
1138 struct_v4l2_frmivalenum_discrete
1139 symver
1140 symver_asm_label
1141 symver_gnu_asm
1142 sysconf
1143 sysctl
1144 sys_mman_h
1145 sys_param_h
1146 sys_resource_h
1147 sys_select_h
1148 sys_soundcard_h
1149 sys_videoio_h
1150 threads
1151 trunc
1152 truncf
1153 vfp_args
1154 VirtualAlloc
1155 winsock2_h
1156 xform_asm
1157 xmm_clobbers
1158 yasm
1159 "
1160
1161 # options emitted with CONFIG_ prefix but not available on command line
1162 CONFIG_EXTRA="
1163 avutil
1164 gplv3
1165 lgplv3
1166 "
1167
1168 CMDLINE_SELECT="
1169 $ARCH_EXT_LIST
1170 $CONFIG_LIST
1171 $THREADS_LIST
1172 asm
1173 cross_compile
1174 debug
1175 extra_warnings
1176 logging
1177 optimizations
1178 symver
1179 yasm
1180 "
1181
1182 PATHS_LIST='
1183 bindir
1184 datadir
1185 incdir
1186 libdir
1187 mandir
1188 prefix
1189 shlibdir
1190 '
1191
1192 CMDLINE_SET="
1193 $PATHS_LIST
1194 ar
1195 arch
1196 as
1197 build_suffix
1198 cc
1199 cpu
1200 cross_prefix
1201 dep_cc
1202 extra_version
1203 host_cc
1204 host_cflags
1205 host_ldflags
1206 host_libs
1207 host_os
1208 ld
1209 logfile
1210 malloc_prefix
1211 nm
1212 optflags
1213 pkg_config
1214 samples
1215 sysinclude
1216 sysroot
1217 target_exec
1218 target_os
1219 target_path
1220 "
1221
1222 CMDLINE_APPEND="
1223 extra_cflags
1224 "
1225
1226 # code dependency declarations
1227
1228 # architecture extensions
1229
1230 armv5te_deps="arm"
1231 armv6_deps="arm"
1232 armv6t2_deps="arm"
1233 armvfp_deps="arm"
1234 iwmmxt_deps="arm"
1235 neon_deps="arm"
1236 vfpv3_deps="armvfp"
1237
1238 mmi_deps="mips"
1239
1240 altivec_deps="ppc"
1241 ppc4xx_deps="ppc"
1242
1243 vis_deps="sparc"
1244
1245 x86_64_suggest="cmov fast_cmov"
1246 amd3dnow_deps="mmx"
1247 amd3dnowext_deps="amd3dnow"
1248 mmx_deps="x86"
1249 mmx2_deps="mmx"
1250 sse_deps="mmx"
1251 ssse3_deps="sse"
1252 avx_deps="ssse3"
1253
1254 aligned_stack_if_any="ppc x86"
1255 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1256 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1257 fast_unaligned_if_any="armv6 ppc x86"
1258
1259 inline_asm_deps="!tms470"
1260 need_memalign="altivec neon sse"
1261
1262 symver_if_any="symver_asm_label symver_gnu_asm"
1263
1264 # subsystems
1265 dct_select="rdft"
1266 mdct_select="fft"
1267 rdft_select="fft"
1268 mpegaudiodsp_select="dct"
1269
1270 # decoders / encoders / hardware accelerators
1271 aac_decoder_select="mdct sinewin"
1272 aac_encoder_select="mdct sinewin"
1273 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1274 ac3_decoder_select="mdct ac3dsp ac3_parser"
1275 ac3_encoder_select="mdct ac3dsp"
1276 ac3_fixed_encoder_select="mdct ac3dsp"
1277 alac_encoder_select="lpc"
1278 amrnb_decoder_select="lsp"
1279 amrwb_decoder_select="lsp"
1280 atrac1_decoder_select="mdct sinewin"
1281 atrac3_decoder_select="mdct"
1282 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1283 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1284 cavs_decoder_select="golomb"
1285 cook_decoder_select="mdct sinewin"
1286 cscd_decoder_suggest="zlib"
1287 dca_decoder_select="mdct"
1288 dnxhd_encoder_select="aandct"
1289 dxa_decoder_select="zlib"
1290 eac3_decoder_select="ac3_decoder"
1291 eac3_encoder_select="mdct ac3dsp"
1292 eamad_decoder_select="aandct"
1293 eatgq_decoder_select="aandct"
1294 eatqi_decoder_select="aandct"
1295 ffv1_decoder_select="golomb"
1296 flac_decoder_select="golomb"
1297 flac_encoder_select="golomb lpc"
1298 flashsv_decoder_select="zlib"
1299 flashsv_encoder_select="zlib"
1300 flashsv2_decoder_select="zlib"
1301 flv_decoder_select="h263_decoder"
1302 flv_encoder_select="h263_encoder"
1303 fraps_decoder_select="huffman"
1304 h261_encoder_select="aandct"
1305 h263_decoder_select="h263_parser"
1306 h263_encoder_select="aandct"
1307 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1308 h263i_decoder_select="h263_decoder"
1309 h263p_encoder_select="h263_encoder"
1310 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1311 h264_dxva2_hwaccel_deps="dxva2api_h"
1312 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1313 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1314 h264_vda_hwaccel_select="vda h264_decoder"
1315 h264_vdpau_decoder_select="vdpau h264_decoder"
1316 imc_decoder_select="fft mdct sinewin"
1317 jpegls_decoder_select="golomb"
1318 jpegls_encoder_select="golomb"
1319 ljpeg_encoder_select="aandct"
1320 loco_decoder_select="golomb"
1321 mjpeg_encoder_select="aandct"
1322 mlp_decoder_select="mlp_parser"
1323 mp1_decoder_select="mpegaudiodsp"
1324 mp1float_decoder_select="mpegaudiodsp"
1325 mp2_decoder_select="mpegaudiodsp"
1326 mp2float_decoder_select="mpegaudiodsp"
1327 mp3_decoder_select="mpegaudiodsp"
1328 mp3adu_decoder_select="mpegaudiodsp"
1329 mp3adufloat_decoder_select="mpegaudiodsp"
1330 mp3float_decoder_select="mpegaudiodsp"
1331 mp3on4_decoder_select="mpegaudiodsp"
1332 mp3on4float_decoder_select="mpegaudiodsp"
1333 mpc7_decoder_select="mpegaudiodsp"
1334 mpc8_decoder_select="mpegaudiodsp"
1335 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1336 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1337 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1338 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1339 mpeg1video_encoder_select="aandct"
1340 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1341 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1342 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1343 mpeg2video_encoder_select="aandct"
1344 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1345 mpeg4_encoder_select="h263_encoder"
1346 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1347 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1348 msmpeg4v1_decoder_select="h263_decoder"
1349 msmpeg4v1_encoder_select="h263_encoder"
1350 msmpeg4v2_decoder_select="h263_decoder"
1351 msmpeg4v2_encoder_select="h263_encoder"
1352 msmpeg4v3_decoder_select="h263_decoder"
1353 msmpeg4v3_encoder_select="h263_encoder"
1354 nellymoser_decoder_select="mdct sinewin"
1355 nellymoser_encoder_select="mdct sinewin"
1356 png_decoder_select="zlib"
1357 png_encoder_select="zlib"
1358 qcelp_decoder_select="lsp"
1359 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1360 ra_144_encoder_select="lpc"
1361 rv10_decoder_select="h263_decoder"
1362 rv10_encoder_select="h263_encoder"
1363 rv20_decoder_select="h263_decoder"
1364 rv20_encoder_select="h263_encoder"
1365 rv30_decoder_select="golomb h264chroma h264pred"
1366 rv40_decoder_select="golomb h264chroma h264pred"
1367 shorten_decoder_select="golomb"
1368 sipr_decoder_select="lsp"
1369 snow_decoder_select="dwt"
1370 snow_encoder_select="aandct dwt"
1371 svq1_encoder_select="aandct"
1372 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1373 svq3_decoder_suggest="zlib"
1374 theora_decoder_select="vp3_decoder"
1375 tiff_decoder_suggest="zlib"
1376 tiff_encoder_suggest="zlib"
1377 truehd_decoder_select="mlp_decoder"
1378 tscc_decoder_select="zlib"
1379 twinvq_decoder_select="mdct lsp sinewin"
1380 vc1_decoder_select="h263_decoder h264chroma"
1381 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1382 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1383 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1384 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1385 vc1image_decoder_select="vc1_decoder"
1386 vorbis_decoder_select="mdct"
1387 vorbis_encoder_select="mdct"
1388 vp6_decoder_select="huffman"
1389 vp6a_decoder_select="vp6_decoder"
1390 vp6f_decoder_select="vp6_decoder"
1391 vp8_decoder_select="h264pred"
1392 wmapro_decoder_select="mdct sinewin"
1393 wmav1_decoder_select="mdct sinewin"
1394 wmav1_encoder_select="mdct sinewin"
1395 wmav2_decoder_select="mdct sinewin"
1396 wmav2_encoder_select="mdct sinewin"
1397 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1398 wmv1_decoder_select="h263_decoder"
1399 wmv1_encoder_select="h263_encoder"
1400 wmv2_decoder_select="h263_decoder"
1401 wmv2_encoder_select="h263_encoder"
1402 wmv3_decoder_select="vc1_decoder"
1403 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1404 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1405 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1406 wmv3image_decoder_select="wmv3_decoder"
1407 zlib_decoder_select="zlib"
1408 zlib_encoder_select="zlib"
1409 zmbv_decoder_select="zlib"
1410 zmbv_encoder_select="zlib"
1411
1412 vaapi_deps="va_va_h"
1413 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1414 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1415
1416 # parsers
1417 h264_parser_select="golomb h264chroma h264dsp h264pred"
1418
1419 # external libraries
1420 libdirac_decoder_deps="libdirac !libschroedinger"
1421 libdirac_encoder_deps="libdirac"
1422 libfaac_encoder_deps="libfaac"
1423 libgsm_decoder_deps="libgsm"
1424 libgsm_encoder_deps="libgsm"
1425 libgsm_ms_decoder_deps="libgsm"
1426 libgsm_ms_encoder_deps="libgsm"
1427 libmp3lame_encoder_deps="libmp3lame"
1428 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1429 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1430 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1431 libopenjpeg_decoder_deps="libopenjpeg"
1432 libschroedinger_decoder_deps="libschroedinger"
1433 libschroedinger_encoder_deps="libschroedinger"
1434 libspeex_decoder_deps="libspeex"
1435 libspeex_encoder_deps="libspeex"
1436 libtheora_encoder_deps="libtheora"
1437 libvo_aacenc_encoder_deps="libvo_aacenc"
1438 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1439 libvorbis_encoder_deps="libvorbis"
1440 libvpx_decoder_deps="libvpx"
1441 libvpx_encoder_deps="libvpx"
1442 libx264_encoder_deps="libx264"
1443 libxavs_encoder_deps="libxavs"
1444 libxvid_encoder_deps="libxvid"
1445
1446 # demuxers / muxers
1447 ac3_demuxer_select="ac3_parser"
1448 asf_stream_muxer_select="asf_muxer"
1449 avisynth_demuxer_deps="avisynth"
1450 dirac_demuxer_select="dirac_parser"
1451 eac3_demuxer_select="ac3_parser"
1452 flac_demuxer_select="flac_parser"
1453 ipod_muxer_select="mov_muxer"
1454 libnut_demuxer_deps="libnut"
1455 libnut_muxer_deps="libnut"
1456 matroska_audio_muxer_select="matroska_muxer"
1457 matroska_demuxer_suggest="zlib bzlib"
1458 mov_demuxer_suggest="zlib"
1459 mp3_demuxer_select="mpegaudio_parser"
1460 mp4_muxer_select="mov_muxer"
1461 mpegtsraw_demuxer_select="mpegts_demuxer"
1462 mxf_d10_muxer_select="mxf_muxer"
1463 ogg_demuxer_select="golomb"
1464 psp_muxer_select="mov_muxer"
1465 rtp_demuxer_select="sdp_demuxer"
1466 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1467 rtsp_demuxer_select="http_protocol rtpdec"
1468 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1469 sap_demuxer_select="sdp_demuxer"
1470 sap_muxer_select="rtp_muxer rtp_protocol"
1471 sdp_demuxer_select="rtpdec"
1472 spdif_muxer_select="aac_parser"
1473 tg2_muxer_select="mov_muxer"
1474 tgp_muxer_select="mov_muxer"
1475 w64_demuxer_deps="wav_demuxer"
1476
1477 # indevs / outdevs
1478 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1479 alsa_outdev_deps="alsa_asoundlib_h"
1480 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1481 dv1394_indev_deps="dv1394 dv_demuxer"
1482 fbdev_indev_deps="linux_fb_h"
1483 jack_indev_deps="jack_jack_h"
1484 libcdio_indev_deps="libcdio"
1485 libdc1394_indev_deps="libdc1394"
1486 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1487 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1488 pulse_indev_deps="libpulse"
1489 sndio_indev_deps="sndio_h"
1490 sndio_outdev_deps="sndio_h"
1491 v4l_indev_deps="linux_videodev_h"
1492 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1493 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1494 vfwcap_indev_extralibs="-lavicap32"
1495 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1496 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1497
1498 # protocols
1499 gopher_protocol_deps="network"
1500 httpproxy_protocol_deps="network"
1501 httpproxy_protocol_select="tcp_protocol"
1502 http_protocol_deps="network"
1503 http_protocol_select="tcp_protocol"
1504 https_protocol_select="tls_protocol"
1505 mmsh_protocol_select="http_protocol"
1506 mmst_protocol_deps="network"
1507 rtmp_protocol_select="tcp_protocol"
1508 rtp_protocol_select="udp_protocol"
1509 tcp_protocol_deps="network"
1510 tls_protocol_deps_any="openssl gnutls"
1511 tls_protocol_select="tcp_protocol"
1512 udp_protocol_deps="network"
1513
1514 # filters
1515 blackframe_filter_deps="gpl"
1516 boxblur_filter_deps="gpl"
1517 cropdetect_filter_deps="gpl"
1518 delogo_filter_deps="gpl"
1519 drawtext_filter_deps="libfreetype"
1520 frei0r_filter_deps="frei0r dlopen strtok_r"
1521 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1522 hqdn3d_filter_deps="gpl"
1523 ocv_filter_deps="libopencv"
1524 scale_filter_deps="swscale"
1525 yadif_filter_deps="gpl"
1526
1527 # libraries
1528 avdevice_deps="avcodec avformat"
1529 avformat_deps="avcodec"
1530 postproc_deps="gpl"
1531
1532 # programs
1533 avconv_deps="avcodec avformat swscale"
1534 avplay_deps="avcodec avformat swscale sdl"
1535 avplay_select="rdft"
1536 avprobe_deps="avcodec avformat"
1537 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1538 avserver_extralibs='$ldl'
1539 ffmpeg_deps="avcodec avformat swscale"
1540
1541 doc_deps="texi2html"
1542
1543 # tests
1544
1545 test_deps(){
1546 suf1=$1
1547 suf2=$2
1548 shift 2
1549 for v; do
1550 dep=${v%=*}
1551 tests=${v#*=}
1552 for name in ${tests}; do
1553 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1554 done
1555 done
1556 }
1557
1558 mxf_d10_test_deps="avfilter"
1559 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1560
1561 test_deps _encoder _decoder \
1562 adpcm_ima_qt \
1563 adpcm_ima_wav \
1564 adpcm_ms \
1565 adpcm_swf \
1566 adpcm_yamaha=adpcm_yam \
1567 alac \
1568 asv1 \
1569 asv2 \
1570 bmp \
1571 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1572 dvvideo="dv dv_411 dv50" \
1573 ffv1 \
1574 flac \
1575 flashsv \
1576 flv \
1577 adpcm_g726=g726 \
1578 gif \
1579 h261 \
1580 h263="h263 h263p" \
1581 huffyuv \
1582 jpegls \
1583 mjpeg="jpg mjpeg ljpeg" \
1584 mp2 \
1585 mpeg1video="mpeg mpeg1b" \
1586 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1587 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1588 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1589 mpeg4="mpeg4thread error rc" \
1590 msmpeg4v3=msmpeg4 \
1591 msmpeg4v2 \
1592 pbm=pbmpipe \
1593 pcx \
1594 pgm="pgm pgmpipe" \
1595 png \
1596 ppm="ppm ppmpipe" \
1597 rawvideo="rgb yuv" \
1598 roq \
1599 rv10 \
1600 rv20 \
1601 sgi \
1602 snow="snow snowll" \
1603 svq1 \
1604 targa=tga \
1605 tiff \
1606 wmav1 \
1607 wmav2 \
1608 wmv1 \
1609 wmv2 \
1610
1611 test_deps _muxer _demuxer \
1612 aiff \
1613 pcm_alaw=alaw \
1614 asf \
1615 au \
1616 avi \
1617 dv=dv_fmt \
1618 ffm \
1619 flv=flv_fmt \
1620 gxf \
1621 matroska=mkv \
1622 mmf \
1623 mov \
1624 pcm_mulaw=mulaw \
1625 mxf="mxf mxf_d10" \
1626 nut \
1627 ogg \
1628 rawvideo=pixfmt \
1629 rm \
1630 swf \
1631 mpegts=ts \
1632 voc \
1633 wav \
1634 yuv4mpegpipe=yuv4mpeg \
1635
1636 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1637 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1638
1639 # default parameters
1640
1641 logfile="config.log"
1642
1643 # installation paths
1644 prefix_default="/usr/local"
1645 bindir_default='${prefix}/bin'
1646 datadir_default='${prefix}/share/avconv'
1647 incdir_default='${prefix}/include'
1648 libdir_default='${prefix}/lib'
1649 mandir_default='${prefix}/share/man'
1650 shlibdir_default="$libdir_default"
1651
1652 # toolchain
1653 ar_default="ar"
1654 cc_default="gcc"
1655 cc_version=\"unknown\"
1656 host_cc_default="gcc"
1657 ln_s="ln -sf"
1658 nm_default="nm"
1659 objformat="elf"
1660 pkg_config_default=pkg-config
1661 ranlib="ranlib"
1662 yasmexe="yasm"
1663
1664 nm_opts='-g'
1665 nogas=":"
1666
1667 # machine
1668 arch_default=$(uname -m)
1669 cpu="generic"
1670
1671 # OS
1672 target_os_default=$(tolower $(uname -s))
1673 host_os=$target_os_default
1674
1675 # configurable options
1676 enable $PROGRAM_LIST
1677
1678 enable avcodec
1679 enable avdevice
1680 enable avfilter
1681 enable avformat
1682 enable avutil
1683 enable postproc
1684 enable swscale
1685
1686 enable asm
1687 enable debug
1688 enable doc
1689 enable fastdiv
1690 enable network
1691 enable optimizations
1692 enable safe_bitstream_reader
1693 enable static
1694 enable swscale_alpha
1695
1696 # build settings
1697 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1698 AVSERVERLDFLAGS=-Wl,-E
1699 LIBPREF="lib"
1700 LIBSUF=".a"
1701 FULLNAME='$(NAME)$(BUILDSUF)'
1702 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1703 SLIBPREF="lib"
1704 SLIBSUF=".so"
1705 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1706 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1707 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1708 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1709 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1710 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1711
1712 AS_O='-o $@'
1713 CC_O='-o $@'
1714
1715 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1716 host_libs='-lm'
1717
1718 target_path='$(CURDIR)'
1719
1720 # since the object filename is not given with the -MM flag, the compiler
1721 # is only able to print the basename, and we must add the path ourselves
1722 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1723 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1724
1725 # find source path
1726 if test -f configure; then
1727 source_path=.
1728 else
1729 source_path=$(cd $(dirname "$0"); pwd)
1730 echo "$source_path" | grep -q '[[:blank:]]' &&
1731 die "Out of tree builds are impossible with whitespace in source path."
1732 test -e "$source_path/config.h" &&
1733 die "Out of tree builds are impossible with config.h in source dir."
1734 fi
1735
1736 for v in "$@"; do
1737 r=${v#*=}
1738 l=${v%"$r"}
1739 r=$(sh_quote "$r")
1740 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1741 done
1742
1743 find_things(){
1744 thing=$1
1745 pattern=$2
1746 file=$source_path/$3
1747 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1748 }
1749
1750 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1751 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1752 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1753 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1754 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1755 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1756 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1757 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1758 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1759 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1760 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1761
1762 ALL_COMPONENTS="
1763 $BSF_LIST
1764 $DECODER_LIST
1765 $DEMUXER_LIST
1766 $ENCODER_LIST
1767 $FILTER_LIST
1768 $HWACCEL_LIST
1769 $INDEV_LIST
1770 $MUXER_LIST
1771 $OUTDEV_LIST
1772 $PARSER_LIST
1773 $PROTOCOL_LIST
1774 "
1775
1776 find_tests(){
1777 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1778 }
1779
1780 ACODEC_TESTS=$(find_tests acodec)
1781 VCODEC_TESTS=$(find_tests vsynth1)
1782 LAVF_TESTS=$(find_tests lavf)
1783 LAVFI_TESTS=$(find_tests lavfi)
1784 SEEK_TESTS=$(find_tests seek seek_)
1785
1786 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1787
1788 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1789
1790 for n in $COMPONENT_LIST; do
1791 v=$(toupper ${n%s})_LIST
1792 eval enable \$$v
1793 eval ${n}_if_any="\$$v"
1794 done
1795
1796 enable $ARCH_EXT_LIST $ALL_TESTS
1797
1798 die_unknown(){
1799 echo "Unknown option \"$1\"."
1800 echo "See $0 --help for available options."
1801 exit 1
1802 }
1803
1804 show_list() {
1805 suffix=_$1
1806 shift
1807 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1808 exit 0
1809 }
1810
1811 for opt do
1812 optval="${opt#*=}"
1813 case "$opt" in
1814 --extra-ldflags=*) add_ldflags $optval
1815 ;;
1816 --extra-libs=*) add_extralibs $optval
1817 ;;
1818 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1819 ;;
1820 --enable-debug=*) debuglevel="$optval"
1821 ;;
1822 --disable-everything)
1823 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1824 ;;
1825 --enable-*=*|--disable-*=*)
1826 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1827 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1828 eval list=\$$(toupper $thing)_LIST
1829 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1830 $action $(filter "$name" $list)
1831 ;;
1832 --enable-?*|--disable-?*)
1833 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1834 if is_in $option $COMPONENT_LIST; then
1835 test $action = disable && action=unset
1836 eval $action \$$(toupper ${option%s})_LIST
1837 elif is_in $option $CMDLINE_SELECT; then
1838 $action $option
1839 else
1840 die_unknown $opt
1841 fi
1842 ;;
1843 --list-*)
1844 NAME="${opt#--list-}"
1845 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1846 NAME=${NAME%s}
1847 eval show_list $NAME \$$(toupper $NAME)_LIST
1848 ;;
1849 --help|-h) show_help
1850 ;;
1851 *)
1852 optname="${opt%%=*}"
1853 optname="${optname#--}"
1854 optname=$(echo "$optname" | sed 's/-/_/g')
1855 if is_in $optname $CMDLINE_SET; then
1856 eval $optname='$optval'
1857 elif is_in $optname $CMDLINE_APPEND; then
1858 append $optname "$optval"
1859 else
1860 die_unknown $opt
1861 fi
1862 ;;
1863 esac
1864 done
1865
1866 disabled logging && logfile=/dev/null
1867
1868 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1869 set >> $logfile
1870
1871 test -n "$cross_prefix" && enable cross_compile
1872
1873 if enabled cross_compile; then
1874 test -n "$arch" && test -n "$target_os" ||
1875 die "Must specify target arch and OS when cross-compiling"
1876 fi
1877
1878 set_default arch target_os
1879
1880 ar_default="${cross_prefix}${ar_default}"
1881 cc_default="${cross_prefix}${cc_default}"
1882 nm_default="${cross_prefix}${nm_default}"
1883 pkg_config_default="${cross_prefix}${pkg_config_default}"
1884 ranlib="${cross_prefix}${ranlib}"
1885
1886 sysinclude_default="${sysroot}/usr/include"
1887
1888 set_default cc nm pkg_config sysinclude
1889 enabled cross_compile || host_cc_default=$cc
1890 set_default host_cc
1891
1892 if ! $pkg_config --version >/dev/null 2>&1; then
1893 warn "$pkg_config not found, library detection may fail."
1894 pkg_config=false
1895 fi
1896
1897 exesuf() {
1898 case $1 in
1899 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1900 esac
1901 }
1902
1903 EXESUF=$(exesuf $target_os)
1904 HOSTEXESUF=$(exesuf $host_os)
1905
1906 # set temporary file name
1907 : ${TMPDIR:=$TEMPDIR}
1908 : ${TMPDIR:=$TMP}
1909 : ${TMPDIR:=/tmp}
1910
1911 if ! check_cmd mktemp -u XXXXXX; then
1912 # simple replacement for missing mktemp
1913 # NOT SAFE FOR GENERAL USE
1914 mktemp(){
1915 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1916 }
1917 fi
1918
1919 tmpfile(){
1920 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1921 (set -C; exec > $tmp) 2>/dev/null ||
1922 die "Unable to create temporary file in $TMPDIR."
1923 append TMPFILES $tmp
1924 eval $1=$tmp
1925 }
1926
1927 trap 'rm -f -- $TMPFILES' EXIT
1928
1929 tmpfile TMPASM .asm
1930 tmpfile TMPC .c
1931 tmpfile TMPE $EXESUF
1932 tmpfile TMPH .h
1933 tmpfile TMPO .o
1934 tmpfile TMPS .S
1935 tmpfile TMPSH .sh
1936 tmpfile TMPV .ver
1937
1938 unset -f mktemp
1939
1940 chmod +x $TMPE
1941
1942 # make sure we can execute files in $TMPDIR
1943 cat > $TMPSH 2>> $logfile <<EOF
1944 #! /bin/sh
1945 EOF
1946 chmod +x $TMPSH >> $logfile 2>&1
1947 if ! $TMPSH >> $logfile 2>&1; then
1948 cat <<EOF
1949 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1950 variable to another directory and make sure that it is not mounted noexec.
1951 EOF
1952 die "Sanity test failed."
1953 fi
1954
1955 filter_asflags=echo
1956 filter_cflags=echo
1957 filter_cppflags=echo
1958
1959 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1960 cc_type=llvm_gcc
1961 cc_version=__VERSION__
1962 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1963 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1964 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1965 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1966 speed_cflags='-O3'
1967 size_cflags='-Os'
1968 elif $cc -v 2>&1 | grep -qi ^gcc; then
1969 cc_type=gcc
1970 cc_version=__VERSION__
1971 gcc_version=$($cc --version | head -n1)
1972 gcc_basever=$($cc -dumpversion)
1973 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1974 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1975 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1976 if ! $cc -dumpversion | grep -q '^2\.'; then
1977 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1978 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1979 fi
1980 speed_cflags='-O3'
1981 size_cflags='-Os'
1982 elif $cc --version 2>/dev/null | grep -q Intel; then
1983 cc_type=icc
1984 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1985 cc_ident=$($cc --version | head -n1)
1986 icc_version=$($cc -dumpversion)
1987 CC_DEPFLAGS='-MMD'
1988 AS_DEPFLAGS='-MMD'
1989 speed_cflags='-O3'
1990 size_cflags='-Os'
1991 noopt_cflags='-O1'
1992 elif $cc -v 2>&1 | grep -q xlc; then
1993 cc_type=xlc
1994 cc_version="AV_STRINGIFY(__IBMC__)"
1995 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1996 speed_cflags='-O5'
1997 size_cflags='-O5 -qcompact'
1998 elif $cc -V 2>/dev/null | grep -q Compaq; then
1999 cc_type=ccc
2000 cc_version="AV_STRINGIFY(__DECC_VER)"
2001 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2002 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2003 debuglevel=3
2004 add_ldflags -Wl,-z,now # calls to libots crash without this
2005 speed_cflags='-fast'
2006 size_cflags='-O1'
2007 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2008 test -d "$sysroot" || die "No valid sysroot specified."
2009 cc_type=armcc
2010 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2011 cc_ident=$($cc --vsn | head -n1)
2012 armcc_conf="$PWD/armcc.conf"
2013 $cc --arm_linux_configure \
2014 --arm_linux_config_file="$armcc_conf" \
2015 --configure_sysroot="$sysroot" \
2016 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2017 die "Error creating armcc configuration file."
2018 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2019 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2020 as_default="${cross_prefix}gcc"
2021 CC_DEPFLAGS='-MMD'
2022 AS_DEPFLAGS='-MMD'
2023 speed_cflags='-O3'
2024 size_cflags='-Os'
2025 filter_asflags="filter_out -W${armcc_opt}*"
2026 elif $cc -version 2>/dev/null | grep -q TMS470; then
2027 cc_type=tms470
2028 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2029 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2030 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2031 CC_O='-fr=$(@D)'
2032 as_default="${cross_prefix}gcc"
2033 ld_default="${cross_prefix}gcc"
2034 TMPO=$(basename $TMPC .c).o
2035 append TMPFILES $TMPO
2036 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2037 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2038 AS_DEPFLAGS='-MMD'
2039 speed_cflags='-O3 -mf=5'
2040 size_cflags='-O3 -mf=2'
2041 filter_cflags=tms470_flags
2042 tms470_flags(){
2043 for flag; do
2044 case $flag in
2045 -march=*|-mcpu=*)
2046 case "${flag#*=}" in
2047 armv7-a|cortex-a*) echo -mv=7a8 ;;
2048 armv7-r|cortex-r*) echo -mv=7r4 ;;
2049 armv7-m|cortex-m*) echo -mv=7m3 ;;
2050 armv6*|arm11*) echo -mv=6 ;;
2051 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2052 echo -mv=5e ;;
2053 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2054 esac
2055 ;;
2056 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2057 -mfpu=vfp) echo --float_support=vfpv2 ;;
2058 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2059 -msoft-float) echo --float_support=vfplib ;;
2060 -O[0-3]|-mf=*) echo $flag ;;
2061 -g) echo -g -mn ;;
2062 -pds=*) echo $flag ;;
2063 esac
2064 done
2065 }
2066 elif $cc -v 2>&1 | grep -q clang; then
2067 cc_type=clang
2068 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2069 cc_version=__clang_version__ || cc_version=__VERSION__
2070 cc_ident=$($cc --version | head -n1)
2071 CC_DEPFLAGS='-MMD'
2072 AS_DEPFLAGS='-MMD'
2073 speed_cflags='-O3'
2074 size_cflags='-Os'
2075 elif $cc -V 2>&1 | grep -q Sun; then
2076 cc_type=suncc
2077 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2078 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2079 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2080 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2081 add_ldflags -xc99
2082 speed_cflags='-O5'
2083 size_cflags='-O5 -xspace'
2084 filter_cflags=suncc_flags
2085 suncc_flags(){
2086 for flag; do
2087 case $flag in
2088 -march=*|-mcpu=*)
2089 case "${flag#*=}" in
2090 native) echo -xtarget=native ;;
2091 v9|niagara) echo -xarch=sparc ;;
2092 ultrasparc) echo -xarch=sparcvis ;;
2093 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2094 i586|pentium) echo -xchip=pentium ;;
2095 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2096 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2097 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2098 pentium4*) echo -xtarget=pentium4 ;;
2099 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2100 *-sse3) echo -xarch=sse3 ;;
2101 core2) echo -xarch=ssse3 -xchip=core2 ;;
2102 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2103 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2104 k8|opteron|athlon64|athlon-fx)
2105 echo -xarch=sse2a ;;
2106 athlon*) echo -xarch=pentium_proa ;;
2107 esac
2108 ;;
2109 -std=c99) echo -xc99 ;;
2110 -fomit-frame-pointer) echo -xregs=frameptr ;;
2111 -fPIC) echo -KPIC -xcode=pic32 ;;
2112 -W*,*) echo $flag ;;
2113 -f*-*|-W*) ;;
2114 *) echo $flag ;;
2115 esac
2116 done
2117 }
2118 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2119 cc_type=pathscale
2120 cc_version=__PATHSCALE__
2121 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2122 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2123 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2124 speed_cflags='-O2'
2125 size_cflags='-Os'
2126 filter_cflags='filter_out -Wdisabled-optimization'
2127 elif $cc -v 2>&1 | grep -q Open64; then
2128 cc_type=open64
2129 cc_version=__OPEN64__
2130 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2131 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2132 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2133 speed_cflags='-O2'
2134 size_cflags='-Os'
2135 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2136 fi
2137
2138 test -n "$cc_type" && enable $cc_type ||
2139 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2140
2141 : ${as_default:=$cc}
2142 : ${dep_cc_default:=$cc}
2143 : ${ld_default:=$cc}
2144 set_default ar as dep_cc ld
2145
2146 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2147 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2148
2149 add_cflags $extra_cflags
2150 add_asflags $extra_cflags
2151
2152 if test -n "$sysroot"; then
2153 case "$cc_type" in
2154 gcc|llvm_gcc|clang)
2155 add_cppflags --sysroot="$sysroot"
2156 add_ldflags --sysroot="$sysroot"
2157 ;;
2158 tms470)
2159 add_cppflags -I"$sysinclude"
2160 add_ldflags --sysroot="$sysroot"
2161 ;;
2162 esac
2163 fi
2164
2165 if test "$cpu" = host; then
2166 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2167
2168 case "$cc_type" in
2169 gcc|llvm_gcc)
2170 check_native(){
2171 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2172 sed -n "/cc1.*$1=/{
2173 s/.*$1=\\([^ ]*\\).*/\\1/
2174 p
2175 q
2176 }" $TMPE
2177 }
2178 cpu=$(check_native -march || check_native -mcpu)
2179 ;;
2180 esac
2181
2182 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2183 fi
2184
2185 # Deal with common $arch aliases
2186 case "$arch" in
2187 arm*)
2188 arch="arm"
2189 ;;
2190 mips|mipsel|IP*)
2191 arch="mips"
2192 ;;
2193 mips64*)
2194 arch="mips"
2195 subarch="mips64"
2196 ;;
2197 parisc|hppa)
2198 arch="parisc"
2199 ;;
2200 parisc64|hppa64)
2201 arch="parisc"
2202 subarch="parisc64"
2203 ;;
2204 "Power Macintosh"|ppc|powerpc)
2205 arch="ppc"
2206 ;;
2207 ppc64|powerpc64)
2208 arch="ppc"
2209 subarch="ppc64"
2210 ;;
2211 s390|s390x)
2212 arch="s390"
2213 ;;
2214 sh4|sh)
2215 arch="sh4"
2216 ;;
2217 sun4u|sparc64)
2218 arch="sparc"
2219 subarch="sparc64"
2220 ;;
2221 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2222 arch="x86"
2223 ;;
2224 esac
2225
2226 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2227 enable $arch
2228
2229 # Add processor-specific flags
2230 if test "$cpu" = generic; then
2231 : do nothing
2232 elif enabled ppc; then
2233
2234 case $(tolower $cpu) in
2235 601|ppc601|powerpc601)
2236 cpuflags="-mcpu=601"
2237 disable altivec
2238 ;;
2239 603*|ppc603*|powerpc603*)
2240 cpuflags="-mcpu=603"
2241 disable altivec
2242 ;;
2243 604*|ppc604*|powerpc604*)
2244 cpuflags="-mcpu=604"
2245 disable altivec
2246 ;;
2247 g3|75*|ppc75*|powerpc75*)
2248 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2249 disable altivec
2250 ;;
2251 g4|745*|ppc745*|powerpc745*)
2252 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2253 ;;
2254 74*|ppc74*|powerpc74*)
2255 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2256 ;;
2257 g5|970|ppc970|powerpc970|power4*)
2258 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2259 ;;
2260 cell)
2261 cpuflags="-mcpu=cell"
2262 enable ldbrx
2263 ;;
2264 e500v2)
2265 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2266 disable altivec
2267 ;;
2268 e500)
2269 cpuflags="-mcpu=8540 -mhard-float"
2270 disable altivec
2271 ;;
2272 esac
2273
2274 elif enabled x86; then
2275
2276 case $cpu in
2277 i[345]86|pentium)
2278 cpuflags="-march=$cpu"
2279 disable mmx
2280 ;;
2281 # targets that do NOT support conditional mov (cmov)
2282 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2283 cpuflags="-march=$cpu"
2284 disable cmov
2285 ;;
2286 # targets that do support conditional mov (cmov)
2287 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2288 cpuflags="-march=$cpu"
2289 enable cmov
2290 enable fast_cmov
2291 ;;
2292 # targets that do support conditional mov but on which it's slow
2293 pentium4|pentium4m|prescott|nocona)
2294 cpuflags="-march=$cpu"
2295 enable cmov
2296 disable fast_cmov
2297 ;;
2298 esac
2299
2300 elif enabled sparc; then
2301
2302 case $cpu in
2303 niagara)
2304 cpuflags="-mcpu=$cpu"
2305 disable vis
2306 ;;
2307 sparc64)
2308 cpuflags="-mcpu=v9"
2309 ;;
2310 esac
2311
2312 elif enabled arm; then
2313
2314 case $cpu in
2315 armv*)
2316 cpuflags="-march=$cpu"
2317 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2318 ;;
2319 *)
2320 cpuflags="-mcpu=$cpu"
2321 case $cpu in
2322 cortex-a*) subarch=armv7a ;;
2323 cortex-r*) subarch=armv7r ;;
2324 cortex-m*) enable thumb; subarch=armv7m ;;
2325 arm11*) subarch=armv6 ;;
2326 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2327 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2328 esac
2329 ;;
2330 esac
2331
2332 elif enabled alpha; then
2333
2334 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2335
2336 elif enabled bfin; then
2337
2338 cpuflags="-mcpu=$cpu"
2339
2340 elif enabled mips; then
2341
2342 cpuflags="-march=$cpu"
2343
2344 elif enabled avr32; then
2345
2346 case $cpu in
2347 ap7[02]0[0-2])
2348 subarch="avr32_ap"
2349 cpuflags="-mpart=$cpu"
2350 ;;
2351 ap)
2352 subarch="avr32_ap"
2353 cpuflags="-march=$cpu"
2354 ;;
2355 uc3[ab]*)
2356 subarch="avr32_uc"
2357 cpuflags="-mcpu=$cpu"
2358 ;;
2359 uc)
2360 subarch="avr32_uc"
2361 cpuflags="-march=$cpu"
2362 ;;
2363 esac
2364
2365 fi
2366
2367 add_cflags $cpuflags
2368 add_asflags $cpuflags
2369
2370 # compiler sanity check
2371 check_exec <<EOF
2372 int main(void){ return 0; }
2373 EOF
2374 if test "$?" != 0; then
2375 echo "$cc is unable to create an executable file."
2376 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2377 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2378 echo "Only do this if you know what cross compiling means."
2379 fi
2380 die "C compiler test failed."
2381 fi
2382
2383 add_cppflags -D_ISOC99_SOURCE
2384 check_cflags -std=c99
2385 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2386 #include <stdlib.h>
2387 EOF
2388 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2389 #include <stdlib.h>
2390 EOF
2391
2392 check_host_cflags -std=c99
2393 check_host_cflags -Wall
2394
2395 case "$arch" in
2396 alpha|ia64|mips|parisc|sparc)
2397 spic=$shared
2398 ;;
2399 x86)
2400 subarch="x86_32"
2401 check_cc <<EOF && subarch="x86_64"
2402 int test[(int)sizeof(char*) - 7];
2403 EOF
2404 if test "$subarch" = "x86_64"; then
2405 spic=$shared
2406 fi
2407 ;;
2408 esac
2409
2410 enable $subarch
2411 enabled spic && enable pic
2412
2413 # OS specific
2414 case $target_os in
2415 haiku)
2416 prefix_default="/boot/common"
2417 network_extralibs="-lnetwork"
2418 host_libs=
2419 ;;
2420 sunos)
2421 AVSERVERLDFLAGS=""
2422 SHFLAGS='-shared -Wl,-h,$$(@F)'
2423 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2424 network_extralibs="-lsocket -lnsl"
2425 add_cppflags -D__EXTENSIONS__
2426 # When using suncc to build, the Solaris linker will mark
2427 # an executable with each instruction set encountered by
2428 # the Solaris assembler. As our libraries contain their own
2429 # guards for processor-specific code, instead suppress
2430 # generation of the HWCAPS ELF section on Solaris x86 only.
2431 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2432 nm_opts='-P -g'
2433 ;;
2434 netbsd)
2435 disable symver
2436 oss_indev_extralibs="-lossaudio"
2437 oss_outdev_extralibs="-lossaudio"
2438 ;;
2439 openbsd)
2440 enable malloc_aligned
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 enable malloc_aligned
2454 disable symver
2455 ;;
2456 freebsd)
2457 enable malloc_aligned
2458 ;;
2459 bsd/os)
2460 add_extralibs -lpoll -lgnugetopt
2461 ;;
2462 darwin)
2463 enable malloc_aligned
2464 gas="gas-preprocessor.pl $cc"
2465 enabled ppc && add_asflags -force_cpusubtype_ALL
2466 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2467 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2468 add_ldflags -Wl,-dynamic,-search_paths_first
2469 SLIBSUF=".dylib"
2470 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2471 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2472 AVSERVERLDFLAGS=-Wl,-bind_at_load
2473 objformat="macho"
2474 enabled x86_64 && objformat="macho64"
2475 enabled_any pic shared ||
2476 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2477 ;;
2478 mingw32*)
2479 if test $target_os = "mingw32ce"; then
2480 disable network
2481 else
2482 target_os=mingw32
2483 fi
2484 LIBTARGET=i386
2485 if enabled x86_64; then
2486 enable malloc_aligned
2487 LIBTARGET="i386:x86-64"
2488 elif enabled arm; then
2489 LIBTARGET=arm-wince
2490 fi
2491 shlibdir_default="$bindir_default"
2492 SLIBPREF=""
2493 SLIBSUF=".dll"
2494 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2495 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2496 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2497 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2498 SLIB_INSTALL_LINKS=
2499 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2500 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2501 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'
2502 objformat="win32"
2503 dlltool="${cross_prefix}dlltool"
2504 enable dos_paths
2505 check_cflags -fno-common
2506 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2507 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2508 die "ERROR: MinGW runtime version must be >= 3.15."
2509 add_cppflags -U__STRICT_ANSI__
2510 ;;
2511 cygwin*)
2512 target_os=cygwin
2513 shlibdir_default="$bindir_default"
2514 SLIBPREF="cyg"
2515 SLIBSUF=".dll"
2516 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2517 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2518 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2519 objformat="win32"
2520 enable dos_paths
2521 check_cflags -fno-common
2522 add_cppflags -U__STRICT_ANSI__
2523 ;;
2524 *-dos|freedos|opendos)
2525 network_extralibs="-lsocket"
2526 objformat="coff"
2527 enable dos_paths
2528 add_cppflags -U__STRICT_ANSI__
2529 ;;
2530 linux)
2531 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2532 enable dv1394
2533 ;;
2534 irix*)
2535 target_os=irix
2536 ranlib="echo ignoring ranlib"
2537 ;;
2538 os/2*)
2539 ln_s="cp -f"
2540 objformat="aout"
2541 add_cppflags -D_GNU_SOURCE
2542 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2543 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2544 AVSERVERLDFLAGS=""
2545 LIBSUF="_s.a"
2546 SLIBPREF=""
2547 SLIBSUF=".dll"
2548 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2549 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2550 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2551 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2552 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2553 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2554 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2555 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2556 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2557 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2558 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2559 enable dos_paths
2560 ;;
2561 gnu/kfreebsd)
2562 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2563 ;;
2564 gnu)
2565 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2566 ;;
2567 qnx)
2568 add_cppflags -D_QNX_SOURCE
2569 network_extralibs="-lsocket"
2570 ;;
2571 symbian)
2572 SLIBSUF=".dll"
2573 enable dos_paths
2574 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2575 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2576 add_ldflags -Wl,--target1-abs,--no-undefined \
2577 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2578 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2579 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2580 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2581 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2582 ;;
2583 none)
2584 ;;
2585 *)
2586 die "Unknown OS '$target_os'."
2587 ;;
2588 esac
2589
2590 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$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 iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2695 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2696 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2697
2698 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2699
2700 enabled_all armv6t2 shared !pic && enable_pic
2701
2702 elif enabled mips; then
2703
2704 check_asm loongson '"dmult.g $1, $2, $3"'
2705 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2706
2707 elif enabled ppc; then
2708
2709 enable local_aligned_8 local_aligned_16
2710
2711 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2712 check_asm ibm_asm '"add 0, 0, 0"'
2713 check_asm ppc4xx '"maclhw r10, r11, r12"'
2714 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2715
2716 # AltiVec flags: The FSF version of GCC differs from the Apple version
2717 if enabled altivec; then
2718 nogas=warn
2719 check_cflags -maltivec -mabi=altivec &&
2720 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2721 check_cflags -faltivec
2722
2723 # check if our compiler supports Motorola AltiVec C API
2724 check_cc <<EOF || disable altivec
2725 $inc_altivec_h
2726 int main(void) {
2727 vector signed int v1, v2, v3;
2728 v1 = vec_add(v2,v3);
2729 return 0;
2730 }
2731 EOF
2732
2733 # check if our compiler supports braces for vector declarations
2734 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2735 $inc_altivec_h
2736 int main (void) { (vector int) {1}; return 0; }
2737 EOF
2738 fi
2739
2740 elif enabled sparc; then
2741
2742 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2743 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2744
2745 elif enabled x86; then
2746
2747 enable local_aligned_8 local_aligned_16
2748
2749 # check whether EBP is available on x86
2750 # As 'i' is stored on the stack, this program will crash
2751 # if the base pointer is used to access it because the
2752 # base pointer is cleared in the inline assembly code.
2753 check_exec_crash <<EOF && enable ebp_available
2754 volatile int i=0;
2755 __asm__ volatile (
2756 "xorl %%ebp, %%ebp"
2757 ::: "%ebp");
2758 return i;
2759 EOF
2760
2761 # check whether EBX is available on x86
2762 check_asm ebx_available '""::"b"(0)' &&
2763 check_asm ebx_available '"":::"%ebx"'
2764
2765 # check whether xmm clobbers are supported
2766 check_asm xmm_clobbers '"":::"%xmm0"'
2767
2768 # check whether binutils is new enough to compile SSSE3/MMX2
2769 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2770 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2771
2772 if ! disabled_any asm mmx yasm; then
2773 if check_cmd $yasmexe --version; then
2774 enabled x86_64 && yasm_extra="-m amd64"
2775 yasm_debug="-g dwarf2"
2776 elif check_cmd nasm -v; then
2777 yasmexe=nasm
2778 yasm_debug="-g -F dwarf"
2779 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2780 fi
2781
2782 YASMFLAGS="-f $objformat $yasm_extra"
2783 enabled pic && append YASMFLAGS "-DPIC"
2784 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2785 case "$objformat" in
2786 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2787 esac
2788
2789 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2790 die "yasm not found, use --disable-yasm for a crippled build"
2791 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2792 fi
2793
2794 case "$cpu" in
2795 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2796 disable fast_clz
2797 ;;
2798 esac
2799
2800 fi
2801
2802 if enabled asm; then
2803 as=${gas:=$as}
2804 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2805 $nogas "GNU assembler not found, install gas-preprocessor"
2806 fi
2807
2808 check_ldflags -Wl,--as-needed
2809
2810 if check_func dlopen; then
2811 ldl=
2812 elif check_func dlopen -ldl; then
2813 ldl=-ldl
2814 fi
2815
2816 if enabled network; then
2817 check_type "sys/types.h sys/socket.h" socklen_t
2818 check_type netdb.h "struct addrinfo"
2819 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2820 check_type netinet/in.h "struct sockaddr_in6"
2821 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2822 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2823 # Prefer arpa/inet.h over winsock2
2824 if check_header arpa/inet.h ; then
2825 check_func closesocket
2826 elif check_header winsock2.h ; then
2827 check_func_headers winsock2.h closesocket -lws2 && \
2828 network_extralibs="-lws2" || \
2829 { check_func_headers winsock2.h closesocket -lws2_32 && \
2830 network_extralibs="-lws2_32"; }
2831 check_type ws2tcpip.h socklen_t
2832 check_type ws2tcpip.h "struct addrinfo"
2833 check_type ws2tcpip.h "struct ipv6_mreq"
2834 check_type ws2tcpip.h "struct sockaddr_in6"
2835 check_type ws2tcpip.h "struct sockaddr_storage"
2836 check_struct winsock2.h "struct sockaddr" sa_len
2837 else
2838 disable network
2839 fi
2840 fi
2841
2842 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2843 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2844
2845 check_func fcntl
2846 check_func fork
2847 check_func getaddrinfo $network_extralibs
2848 check_func gethrtime
2849 check_func getrusage
2850 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2851 check_func inet_aton $network_extralibs
2852 check_func isatty
2853 check_func localtime_r
2854 check_func ${malloc_prefix}memalign && enable memalign
2855 check_func mkstemp
2856 check_func mmap
2857 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2858 check_func setrlimit
2859 check_func strerror_r
2860 check_func strptime
2861 check_func strtok_r
2862 check_func sched_getaffinity
2863 check_func sysconf
2864 check_func sysctl
2865 check_func_headers io.h setmode
2866 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2867 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2868 check_func_headers windows.h GetProcessAffinityMask
2869 check_func_headers windows.h GetProcessTimes
2870 check_func_headers windows.h MapViewOfFile
2871 check_func_headers windows.h VirtualAlloc
2872
2873 check_header dlfcn.h
2874 check_header dxva2api.h
2875 check_header malloc.h
2876 check_header poll.h
2877 check_header sys/mman.h
2878 check_header sys/param.h
2879 check_header sys/resource.h
2880 check_header sys/select.h
2881 check_header vdpau/vdpau.h
2882 check_header vdpau/vdpau_x11.h
2883 check_header X11/extensions/XvMClib.h
2884
2885 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2886
2887 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2888 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2889
2890 if ! disabled w32threads && ! enabled pthreads; then
2891 check_func _beginthreadex && enable w32threads
2892 fi
2893
2894 # check for some common methods of building with pthread support
2895 # do this before the optional library checks as some of them require pthreads
2896 if ! disabled pthreads && ! enabled w32threads; then
2897 enable pthreads
2898 if check_func pthread_create; then
2899 :
2900 elif check_func pthread_create -pthread; then
2901 add_cflags -pthread
2902 add_extralibs -pthread
2903 elif check_func pthread_create -pthreads; then
2904 add_cflags -pthreads
2905 add_extralibs -pthreads
2906 elif check_func pthread_create -lpthreadGC2; then
2907 add_extralibs -lpthreadGC2
2908 elif ! check_lib pthread.h pthread_create -lpthread; then
2909 disable pthreads
2910 fi
2911 fi
2912
2913 for thread in $THREADS_LIST; do
2914 if enabled $thread; then
2915 test -n "$thread_type" &&
2916 die "ERROR: Only one thread type must be selected." ||
2917 thread_type="$thread"
2918 fi
2919 done
2920
2921 check_lib math.h sin -lm && LIBM="-lm"
2922 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2923
2924 check_mathfunc exp2
2925 check_mathfunc exp2f
2926 check_mathfunc llrint
2927 check_mathfunc llrintf
2928 check_mathfunc log2
2929 check_mathfunc log2f
2930 check_mathfunc lrint
2931 check_mathfunc lrintf
2932 check_mathfunc round
2933 check_mathfunc roundf
2934 check_mathfunc trunc
2935 check_mathfunc truncf
2936
2937 # these are off by default, so fail if requested and not available
2938 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2939 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2940 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2941 enabled libdirac && require_pkg_config dirac \
2942 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2943 "dirac_decoder_init dirac_encoder_init"
2944 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2945 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2946 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2947 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2948 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2949 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2950 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2951 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2952 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2953 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2954 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2955 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2956 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2957 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2958 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2959 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2960 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2961 enabled libvpx && {
2962 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2963 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2964 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2965 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2966 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2967 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2968 die "ERROR: libx264 version must be >= 0.118."; }
2969 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2970 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2971 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2972 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2973 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2974 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2975 die "ERROR: openssl not found"; }
2976
2977 # libdc1394 check
2978 if enabled libdc1394; then
2979 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2980 enable libdc1394_2; } ||
2981 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2982 enable libdc1394_1; } ||
2983 die "ERROR: No version of libdc1394 found "
2984 fi
2985
2986 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2987 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2988 enable sdl &&
2989 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2990 fi
2991
2992 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2993
2994 check_header linux/fb.h
2995 check_header linux/videodev.h
2996 check_header linux/videodev2.h
2997 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2998
2999 check_header sys/videoio.h
3000
3001 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3002 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3003 # w32api 3.12 had it defined wrong
3004 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3005
3006 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3007 { check_header dev/bktr/ioctl_meteor.h &&
3008 check_header dev/bktr/ioctl_bt848.h; } ||
3009 { check_header machine/ioctl_meteor.h &&
3010 check_header machine/ioctl_bt848.h; } ||
3011 { check_header dev/video/meteor/ioctl_meteor.h &&
3012 check_header dev/video/bktr/ioctl_bt848.h; } ||
3013 check_header dev/ic/bt8xx.h
3014
3015 check_header sndio.h
3016 check_header sys/soundcard.h
3017 check_header soundcard.h
3018
3019 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3020
3021 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3022
3023 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3024
3025 enabled libcdio &&
3026 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3027
3028 enabled x11grab &&
3029 check_header X11/Xlib.h &&
3030 check_header X11/extensions/XShm.h &&
3031 check_header X11/extensions/Xfixes.h &&
3032 check_func XOpenDisplay -lX11 &&
3033 check_func XShmCreateImage -lX11 -lXext &&
3034 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3035
3036 # check for VDA header
3037 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3038 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3039 fi
3040
3041 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3042 check_cpp_condition \
3043 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3044 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3045 disable vdpau; }
3046 fi
3047
3048 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3049
3050 # add some useful compiler flags if supported
3051 check_cflags -Wdeclaration-after-statement
3052 check_cflags -Wall
3053 check_cflags -Wno-parentheses
3054 check_cflags -Wno-switch
3055 check_cflags -Wno-format-zero-length
3056 check_cflags -Wdisabled-optimization
3057 check_cflags -Wpointer-arith
3058 check_cflags -Wredundant-decls
3059 check_cflags -Wno-pointer-sign
3060 check_cflags -Wcast-qual
3061 check_cflags -Wwrite-strings
3062 check_cflags -Wtype-limits
3063 check_cflags -Wundef
3064 check_cflags -Wmissing-prototypes
3065 check_cflags -Wstrict-prototypes
3066 enabled extra_warnings && check_cflags -Winline
3067
3068 # add some linker flags
3069 check_ldflags -Wl,--warn-common
3070 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3071 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3072
3073 echo "X{};" > $TMPV
3074 if test_ldflags -Wl,--version-script,$TMPV; then
3075 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3076 check_cc <<EOF && enable symver_asm_label
3077 void ff_foo(void) __asm__ ("av_foo@VERSION");
3078 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3079 EOF
3080 check_cc <<EOF && enable symver_gnu_asm
3081 __asm__(".symver ff_foo,av_foo@VERSION");
3082 void ff_foo(void) {}
3083 EOF
3084 fi
3085
3086 if [ -n "$optflags" ]; then
3087 add_cflags $optflags
3088 elif enabled small; then
3089 add_cflags $size_cflags
3090 elif enabled optimizations; then
3091 add_cflags $speed_cflags
3092 else
3093 add_cflags $noopt_cflags
3094 fi
3095 check_cflags -fno-math-errno
3096 check_cflags -fno-signed-zeros
3097
3098 if enabled icc; then
3099 # Just warnings, no remarks
3100 check_cflags -w1
3101 # -wd: Disable following warnings
3102 # 144, 167, 556: -Wno-pointer-sign
3103 # 1292: attribute "foo" ignored
3104 # 10006: ignoring unknown option -fno-signed-zeros
3105 # 10148: ignoring unknown option -Wno-parentheses
3106 # 10156: ignoring option '-W'; no argument required
3107 check_cflags -wd144,167,556,1292,10006,10148,10156
3108 # 11030: Warning unknown option --as-needed
3109 # 10156: ignoring option '-export'; no argument required
3110 check_ldflags -wd10156,11030
3111 # Allow to compile with optimizations
3112 check_ldflags -march=$cpu
3113 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3114 enable ebp_available
3115 if enabled x86_32; then
3116 test ${icc_version%%.*} -ge 11 && \
3117 check_cflags -falign-stack=maintain-16-byte || \
3118 disable aligned_stack
3119 fi
3120 elif enabled ccc; then
3121 # disable some annoying warnings
3122 add_cflags -msg_disable cvtu32to64
3123 add_cflags -msg_disable embedcomment
3124 add_cflags -msg_disable needconstext
3125 add_cflags -msg_disable nomainieee
3126 add_cflags -msg_disable ptrmismatch1
3127 add_cflags -msg_disable unreachcode
3128 elif enabled gcc; then
3129 check_cflags -fno-tree-vectorize
3130 check_cflags -Werror=implicit-function-declaration
3131 check_cflags -Werror=missing-prototypes
3132 check_cflags -Werror=declaration-after-statement
3133 elif enabled llvm_gcc; then
3134 check_cflags -mllvm -stack-alignment=16
3135 elif enabled clang; then
3136 check_cflags -mllvm -stack-alignment=16
3137 check_cflags -Qunused-arguments
3138 elif enabled armcc; then
3139 # 2523: use of inline assembler is deprecated
3140 add_cflags -W${armcc_opt},--diag_suppress=2523
3141 add_cflags -W${armcc_opt},--diag_suppress=1207
3142 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3143 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3144 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3145 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3146 elif enabled tms470; then
3147 add_cflags -pds=824 -pds=837
3148 elif enabled pathscale; then
3149 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3150 fi
3151
3152 enabled_any $THREADS_LIST && enable threads
3153
3154 check_deps $CONFIG_LIST \
3155 $CONFIG_EXTRA \
3156 $HAVE_LIST \
3157 $ALL_COMPONENTS \
3158 $ALL_TESTS \
3159
3160 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3161
3162 ! enabled_any memalign posix_memalign malloc_aligned &&
3163 enabled_any $need_memalign && enable memalign_hack
3164
3165 echo "install prefix $prefix"
3166 echo "source path $source_path"
3167 echo "C compiler $cc"
3168 echo "ARCH $arch ($cpu)"
3169 if test "$build_suffix" != ""; then
3170 echo "build suffix $build_suffix"
3171 fi
3172 if test "$extra_version" != ""; then
3173 echo "version string suffix $extra_version"
3174 fi
3175 echo "big-endian ${bigendian-no}"
3176 echo "runtime cpu detection ${runtime_cpudetect-no}"
3177 if enabled x86; then
3178 echo "${yasmexe} ${yasm-no}"
3179 echo "MMX enabled ${mmx-no}"
3180 echo "MMX2 enabled ${mmx2-no}"
3181 echo "3DNow! enabled ${amd3dnow-no}"
3182 echo "3DNow! extended enabled ${amd3dnowext-no}"
3183 echo "SSE enabled ${sse-no}"
3184 echo "SSSE3 enabled ${ssse3-no}"
3185 echo "AVX enabled ${avx-no}"
3186 echo "CMOV enabled ${cmov-no}"
3187 echo "CMOV is fast ${fast_cmov-no}"
3188 echo "EBX available ${ebx_available-no}"
3189 echo "EBP available ${ebp_available-no}"
3190 fi
3191 if enabled arm; then
3192 echo "ARMv5TE enabled ${armv5te-no}"
3193 echo "ARMv6 enabled ${armv6-no}"
3194 echo "ARMv6T2 enabled ${armv6t2-no}"
3195 echo "ARM VFP enabled ${armvfp-no}"
3196 echo "IWMMXT enabled ${iwmmxt-no}"
3197 echo "NEON enabled ${neon-no}"
3198 fi
3199 if enabled mips; then
3200 echo "MMI enabled ${mmi-no}"
3201 fi
3202 if enabled ppc; then
3203 echo "AltiVec enabled ${altivec-no}"
3204 echo "PPC 4xx optimizations ${ppc4xx-no}"
3205 echo "dcbzl available ${dcbzl-no}"
3206 fi
3207 if enabled sparc; then
3208 echo "VIS enabled ${vis-no}"
3209 fi
3210 echo "debug symbols ${debug-no}"
3211 echo "optimize for size ${small-no}"
3212 echo "optimizations ${optimizations-no}"
3213 echo "static ${static-no}"
3214 echo "shared ${shared-no}"
3215 echo "postprocessing support ${postproc-no}"
3216 echo "new filter support ${avfilter-no}"
3217 echo "network support ${network-no}"
3218 echo "threading support ${thread_type-no}"
3219 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3220 echo "SDL support ${sdl-no}"
3221 echo "Sun medialib support ${mlib-no}"
3222 echo "libdxva2 enabled ${dxva2-no}"
3223 echo "libva enabled ${vaapi-no}"
3224 echo "libvdpau enabled ${vdpau-no}"
3225 echo "AVISynth enabled ${avisynth-no}"
3226 echo "frei0r enabled ${frei0r-no}"
3227 echo "gnutls enabled ${gnutls-no}"
3228 echo "libcdio support ${libcdio-no}"
3229 echo "libdc1394 support ${libdc1394-no}"
3230 echo "libdirac enabled ${libdirac-no}"
3231 echo "libfaac enabled ${libfaac-no}"
3232 echo "libgsm enabled ${libgsm-no}"
3233 echo "libmp3lame enabled ${libmp3lame-no}"
3234 echo "libnut enabled ${libnut-no}"
3235 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3236 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3237 echo "libopencv support ${libopencv-no}"
3238 echo "libopenjpeg enabled ${libopenjpeg-no}"
3239 echo "libpulse enabled ${libpulse-no}"
3240 echo "librtmp enabled ${librtmp-no}"
3241 echo "libschroedinger enabled ${libschroedinger-no}"
3242 echo "libspeex enabled ${libspeex-no}"
3243 echo "libtheora enabled ${libtheora-no}"
3244 echo "libvo-aacenc support ${libvo_aacenc-no}"
3245 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3246 echo "libvorbis enabled ${libvorbis-no}"
3247 echo "libvpx enabled ${libvpx-no}"
3248 echo "libx264 enabled ${libx264-no}"
3249 echo "libxavs enabled ${libxavs-no}"
3250 echo "libxvid enabled ${libxvid-no}"
3251 echo "openssl enabled ${openssl-no}"
3252 echo "zlib enabled ${zlib-no}"
3253 echo "bzlib enabled ${bzlib-no}"
3254 echo
3255
3256 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3257 echo "Enabled ${type}s:"
3258 eval list=\$$(toupper $type)_LIST
3259 print_enabled '_*' $list | sort | pr -r -3 -t
3260 echo
3261 done
3262
3263 license="LGPL version 2.1 or later"
3264 if enabled nonfree; then
3265 license="nonfree and unredistributable"
3266 elif enabled gplv3; then
3267 license="GPL version 3 or later"
3268 elif enabled lgplv3; then
3269 license="LGPL version 3 or later"
3270 elif enabled gpl; then
3271 license="GPL version 2 or later"
3272 fi
3273
3274 echo "License: $license"
3275
3276 echo "Creating config.mak and config.h..."
3277
3278 test -e Makefile || $ln_s "$source_path/Makefile" .
3279
3280 config_files="$TMPH config.mak"
3281
3282 cat > config.mak <<EOF
3283 # Automatically generated by configure - do not modify!
3284 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3285 prefix=$prefix
3286 LIBDIR=\$(DESTDIR)$libdir
3287 SHLIBDIR=\$(DESTDIR)$shlibdir
3288 INCDIR=\$(DESTDIR)$incdir
3289 BINDIR=\$(DESTDIR)$bindir
3290 DATADIR=\$(DESTDIR)$datadir
3291 MANDIR=\$(DESTDIR)$mandir
3292 SRC_PATH=$source_path
3293 CC_IDENT=$cc_ident
3294 ARCH=$arch
3295 CC=$cc
3296 AS=$as
3297 LD=$ld
3298 DEPCC=$dep_cc
3299 YASM=$yasmexe
3300 YASMDEP=$yasmexe
3301 AR=$ar
3302 RANLIB=$ranlib
3303 LN_S=$ln_s
3304 CPPFLAGS=$CPPFLAGS
3305 CFLAGS=$CFLAGS
3306 ASFLAGS=$ASFLAGS
3307 AS_O=$CC_O
3308 CC_O=$CC_O
3309 DLLTOOL=$dlltool
3310 LDFLAGS=$LDFLAGS
3311 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3312 SHFLAGS=$SHFLAGS
3313 YASMFLAGS=$YASMFLAGS
3314 BUILDSUF=$build_suffix
3315 FULLNAME=$FULLNAME
3316 LIBPREF=$LIBPREF
3317 LIBSUF=$LIBSUF
3318 LIBNAME=$LIBNAME
3319 SLIBPREF=$SLIBPREF
3320 SLIBSUF=$SLIBSUF
3321 EXESUF=$EXESUF
3322 EXTRA_VERSION=$extra_version
3323 DEPFLAGS=$DEPFLAGS
3324 CCDEP=$CCDEP
3325 ASDEP=$ASDEP
3326 CC_DEPFLAGS=$CC_DEPFLAGS
3327 AS_DEPFLAGS=$AS_DEPFLAGS
3328 HOSTCC=$host_cc
3329 HOSTCFLAGS=$host_cflags
3330 HOSTEXESUF=$HOSTEXESUF
3331 HOSTLDFLAGS=$host_ldflags
3332 HOSTLIBS=$host_libs
3333 TARGET_EXEC=$target_exec
3334 TARGET_PATH=$target_path
3335 SDL_LIBS=$sdl_libs
3336 SDL_CFLAGS=$sdl_cflags
3337 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3338 EXTRALIBS=$extralibs
3339 INSTALL=install
3340 LIBTARGET=${LIBTARGET}
3341 SLIBNAME=${SLIBNAME}
3342 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3343 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3344 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3345 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3346 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3347 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3348 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3349 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3350 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3351 EOF
3352
3353 get_version(){
3354 name=$1
3355 file=$source_path/$2
3356 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3357 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3358 lcname=$(tolower $name)
3359 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3360 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3361 }
3362
3363 get_version LIBAVCODEC libavcodec/version.h
3364 get_version LIBAVDEVICE libavdevice/avdevice.h
3365 get_version LIBAVFILTER libavfilter/avfilter.h
3366 get_version LIBAVFORMAT libavformat/version.h
3367 get_version LIBAVUTIL libavutil/avutil.h
3368 get_version LIBPOSTPROC libpostproc/postprocess.h
3369 get_version LIBSWSCALE libswscale/swscale.h
3370
3371 cat > $TMPH <<EOF
3372 /* Automatically generated by configure - do not modify! */
3373 #ifndef LIBAV_CONFIG_H
3374 #define LIBAV_CONFIG_H
3375 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3376 #define LIBAV_LICENSE "$(c_escape $license)"
3377 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3378 #define CC_TYPE "$cc_type"
3379 #define CC_VERSION $cc_version
3380 #define restrict $_restrict
3381 #define EXTERN_PREFIX "${extern_prefix}"
3382 #define EXTERN_ASM ${extern_prefix}
3383 #define SLIBSUF "$SLIBSUF"
3384 EOF
3385
3386 test -n "$malloc_prefix" &&
3387 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3388
3389 if enabled small || disabled optimizations; then
3390 echo "#undef av_always_inline" >> $TMPH
3391 if enabled small; then
3392 echo "#define av_always_inline inline" >> $TMPH
3393 else
3394 echo "#define av_always_inline av_unused" >> $TMPH
3395 fi
3396 fi
3397
3398 if enabled yasm; then
3399 append config_files $TMPASM
3400 printf '' >$TMPASM
3401 fi
3402
3403 print_config ARCH_ "$config_files" $ARCH_LIST
3404 print_config HAVE_ "$config_files" $HAVE_LIST
3405 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3406 $CONFIG_EXTRA \
3407 $ALL_COMPONENTS \
3408
3409 cat >>config.mak <<EOF
3410 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3411 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3412 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3413 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3414 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3415 EOF
3416
3417 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3418
3419 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3420 cp_if_changed $TMPH config.h
3421 touch .config
3422
3423 enabled yasm && cp_if_changed $TMPASM config.asm
3424
3425 cat > $TMPH <<EOF
3426 /* Generated by ffconf */
3427 #ifndef AVUTIL_AVCONFIG_H
3428 #define AVUTIL_AVCONFIG_H
3429 EOF
3430
3431 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3432
3433 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3434
3435 cp_if_changed $TMPH libavutil/avconfig.h
3436
3437 test -n "$WARNINGS" && printf "\n$WARNINGS"
3438
3439 # build pkg-config files
3440
3441 pkgconfig_generate(){
3442 name=$1
3443 shortname=${name#lib}${build_suffix}
3444 comment=$2
3445 version=$3
3446 libs=$4
3447 requires=$5
3448 enabled ${name#lib} || return 0
3449 mkdir -p $name
3450 cat <<EOF > $name/$name.pc
3451 prefix=$prefix
3452 exec_prefix=\${prefix}
3453 libdir=$libdir
3454 includedir=$incdir
3455
3456 Name: $name
3457 Description: $comment
3458 Version: $version
3459 Requires: $(enabled shared || echo $requires)
3460 Requires.private: $(enabled shared && echo $requires)
3461 Conflicts:
3462 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3463 Libs.private: $(enabled shared && echo $libs)
3464 Cflags: -I\${includedir}
3465 EOF
3466 cat <<EOF > $name/$name-uninstalled.pc
3467 prefix=
3468 exec_prefix=
3469 libdir=\${pcfiledir}
3470 includedir=${source_path}
3471
3472 Name: $name
3473 Description: $comment
3474 Version: $version
3475 Requires: $requires
3476 Conflicts:
3477 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3478 Cflags: -I\${includedir}
3479 EOF
3480 }
3481
3482 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3483 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3484 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3485 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3486 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3487 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3488 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"