vqa: set time base to frame rate as coded in the header.
[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-avconv disable avconv build
84 --disable-avplay disable avplay build
85 --disable-avprobe disable avprobe build
86 --disable-avserver disable avserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable libpostproc build (deprecated) [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --disable-w32threads disable Win32 threads [auto]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --enable-vaapi enable VAAPI code
110 --enable-vda enable VDA code
111 --enable-vdpau enable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --disable-safe-bitstream-reader
116 disable buffer boundary checking in bitreaders
117 (faster, but may crash)
118 --enable-memalign-hack emulate memalign, interferes with memory debuggers
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libdirac enable Dirac support via libdirac [no]
176 --enable-libfaac enable FAAC support via libfaac [no]
177 --enable-libfreetype enable libfreetype [no]
178 --enable-libgsm enable GSM support via libgsm [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libnut enable NUT (de)muxing via libnut,
181 native (de)muxer exists [no]
182 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
183 --enable-libpulse enable Pulseaudio input via libpulse [no]
184 --enable-librtmp enable RTMP[E] support via librtmp [no]
185 --enable-libschroedinger enable Dirac support via libschroedinger [no]
186 --enable-libspeex enable Speex support via libspeex [no]
187 --enable-libtheora enable Theora encoding via libtheora [no]
188 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
189 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
190 --enable-libvorbis enable Vorbis encoding via libvorbis,
191 native implementation exists [no]
192 --enable-libvpx enable VP8 support via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-mlib enable Sun medialib [no]
198 --enable-openssl enable openssl [no]
199 --enable-zlib enable zlib [autodetect]
200
201 Advanced options (experts only):
202 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
203 --enable-cross-compile assume a cross-compiler is used
204 --sysroot=PATH root of cross-build tree
205 --sysinclude=PATH location of cross-build system headers
206 --target-os=OS compiler targets OS [$target_os]
207 --target-exec=CMD command to run executables on target
208 --target-path=DIR path to view of build directory on target
209 --nm=NM use nm tool
210 --ar=AR use archive tool AR [$ar_default]
211 --as=AS use assembler AS [$as_default]
212 --cc=CC use C compiler CC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
217 --host-libs=HLIBS use libs HLIBS when linking for host
218 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
219 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
220 --extra-libs=ELIBS add ELIBS [$ELIBS]
221 --extra-version=STRING version string suffix []
222 --build-suffix=SUFFIX library name suffix []
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --disable-asm disable all assembler optimizations
227 --disable-altivec disable AltiVec optimizations
228 --disable-amd3dnow disable 3DNow! optimizations
229 --disable-amd3dnowext disable 3DNow! extended optimizations
230 --disable-mmx disable MMX optimizations
231 --disable-mmx2 disable MMX2 optimizations
232 --disable-sse disable SSE optimizations
233 --disable-ssse3 disable SSSE3 optimizations
234 --disable-avx disable AVX optimizations
235 --disable-armv5te disable armv5te optimizations
236 --disable-armv6 disable armv6 optimizations
237 --disable-armv6t2 disable armv6t2 optimizations
238 --disable-armvfp disable ARM VFP optimizations
239 --disable-iwmmxt disable iwmmxt optimizations
240 --disable-mmi disable MMI optimizations
241 --disable-neon disable NEON optimizations
242 --disable-vis disable VIS optimizations
243 --disable-yasm disable use of yasm assembler
244 --enable-pic build position-independent code
245 --malloc-prefix=PFX prefix malloc and related names with PFX
246 --enable-sram allow use of on-chip SRAM
247 --disable-symver disable symbol versioning
248 --optflags override optimization-related compiler flags
249
250 Developer options (useful when working on Libav itself):
251 --disable-debug disable debugging symbols
252 --enable-debug=LEVEL set the debug level [$debuglevel]
253 --disable-optimizations disable compiler optimizations
254 --enable-extra-warnings enable more compiler warnings
255 --samples=PATH location of test samples for FATE, if not set use
256 \$FATE_SAMPLES at make invocation time.
257
258 NOTE: Object files are built at the place where configure is launched.
259 EOF
260 exit 0
261 }
262
263 quotes='""'
264
265 log(){
266 echo "$@" >> $logfile
267 }
268
269 log_file(){
270 log BEGIN $1
271 pr -n -t $1 >> $logfile
272 log END $1
273 }
274
275 echolog(){
276 log "$@"
277 echo "$@"
278 }
279
280 warn(){
281 log "WARNING: $*"
282 WARNINGS="${WARNINGS}WARNING: $*\n"
283 }
284
285 die(){
286 echolog "$@"
287 cat <<EOF
288
289 If you think configure made a mistake, make sure you are using the latest
290 version from Git. If the latest version fails, report the problem to the
291 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
292 EOF
293 if disabled logging; then
294 cat <<EOF
295 Rerun configure with logging enabled (do not use --disable-logging), and
296 include the log this produces with your report.
297 EOF
298 else
299 cat <<EOF
300 Include the log file "$logfile" produced by configure as this will help
301 solving the problem.
302 EOF
303 fi
304 exit 1
305 }
306
307 # Avoid locale weirdness, besides we really just want to translate ASCII.
308 toupper(){
309 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
310 }
311
312 tolower(){
313 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
314 }
315
316 c_escape(){
317 echo "$*" | sed 's/["\\]/\\\0/g'
318 }
319
320 sh_quote(){
321 v=$(echo "$1" | sed "s/'/'\\\\''/g")
322 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
323 echo "$v"
324 }
325
326 cleanws(){
327 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
328 }
329
330 filter(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) echo $v ;; esac"
335 done
336 }
337
338 filter_out(){
339 pat=$1
340 shift
341 for v; do
342 eval "case $v in $pat) ;; *) echo $v ;; esac"
343 done
344 }
345
346 map(){
347 m=$1
348 shift
349 for v; do eval $m; done
350 }
351
352 set_all(){
353 value=$1
354 shift
355 for var in $*; do
356 eval $var=$value
357 done
358 }
359
360 set_weak(){
361 value=$1
362 shift
363 for var; do
364 eval : \${$var:=$value}
365 done
366 }
367
368 set_safe(){
369 var=$1
370 shift
371 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
372 }
373
374 get_safe(){
375 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
376 }
377
378 pushvar(){
379 for var in $*; do
380 eval level=\${${var}_level:=0}
381 eval ${var}_${level}="\$$var"
382 eval ${var}_level=$(($level+1))
383 done
384 }
385
386 popvar(){
387 for var in $*; do
388 eval level=\${${var}_level:-0}
389 test $level = 0 && continue
390 eval level=$(($level-1))
391 eval $var="\${${var}_${level}}"
392 eval ${var}_level=$level
393 eval unset ${var}_${level}
394 done
395 }
396
397 enable(){
398 set_all yes $*
399 }
400
401 disable(){
402 set_all no $*
403 }
404
405 enable_weak(){
406 set_weak yes $*
407 }
408
409 disable_weak(){
410 set_weak no $*
411 }
412
413 enable_safe(){
414 for var; do
415 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
416 done
417 }
418
419 disable_safe(){
420 for var; do
421 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
423 }
424
425 do_enable_deep(){
426 for var; do
427 enabled $var && continue
428 eval sel="\$${var}_select"
429 eval sgs="\$${var}_suggest"
430 pushvar var sgs
431 enable_deep $sel
432 popvar sgs
433 enable_deep_weak $sgs
434 popvar var
435 done
436 }
437
438 enable_deep(){
439 do_enable_deep $*
440 enable $*
441 }
442
443 enable_deep_weak(){
444 do_enable_deep $*
445 enable_weak $*
446 }
447
448 enabled(){
449 test "${1#!}" = "$1" && op== || op=!=
450 eval test "x\$${1#!}" $op "xyes"
451 }
452
453 disabled(){
454 test "${1#!}" = "$1" && op== || op=!=
455 eval test "x\$${1#!}" $op "xno"
456 }
457
458 enabled_all(){
459 for opt; do
460 enabled $opt || return 1
461 done
462 }
463
464 disabled_all(){
465 for opt; do
466 disabled $opt || return 1
467 done
468 }
469
470 enabled_any(){
471 for opt; do
472 enabled $opt && return 0
473 done
474 }
475
476 disabled_any(){
477 for opt; do
478 disabled $opt && return 0
479 done
480 return 1
481 }
482
483 set_default(){
484 for opt; do
485 eval : \${$opt:=\$${opt}_default}
486 done
487 }
488
489 is_in(){
490 value=$1
491 shift
492 for var in $*; do
493 [ $var = $value ] && return 0
494 done
495 return 1
496 }
497
498 check_deps(){
499 for cfg; do
500 cfg="${cfg#!}"
501 enabled ${cfg}_checking && die "Circular dependency for $cfg."
502 disabled ${cfg}_checking && continue
503 enable ${cfg}_checking
504
505 eval dep_all="\$${cfg}_deps"
506 eval dep_any="\$${cfg}_deps_any"
507 eval dep_sel="\$${cfg}_select"
508 eval dep_sgs="\$${cfg}_suggest"
509 eval dep_ifa="\$${cfg}_if"
510 eval dep_ifn="\$${cfg}_if_any"
511
512 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
513 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
514 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
515
516 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
517 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
518 enabled_all $dep_all || disable $cfg
519 enabled_any $dep_any || disable $cfg
520 disabled_any $dep_sel && disable $cfg
521
522 if enabled $cfg; then
523 eval dep_extralibs="\$${cfg}_extralibs"
524 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
525 enable_deep $dep_sel
526 enable_deep_weak $dep_sgs
527 fi
528
529 disable ${cfg}_checking
530 done
531 }
532
533 print_config_h(){
534 enabled $1 && v=1 || v=0
535 echo "#define $2 $v"
536 }
537
538 print_config_mak(){
539 enabled $1 && v= || v=!
540 echo "$v$2=yes"
541 }
542
543 print_config_asm(){
544 enabled $1 && echo "%define $2"
545 }
546
547 print_config(){
548 pfx=$1
549 files=$2
550 shift 2
551 for cfg; do
552 ucname="$(toupper $cfg)"
553 for f in $files; do
554 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
555 done
556 done
557 }
558
559 print_enabled(){
560 test "$1" = -n && end=" " && shift || end="\n"
561 suf=$1
562 shift
563 for v; do
564 enabled $v && printf "%s$end" ${v%$suf};
565 done
566 }
567
568 append(){
569 var=$1
570 shift
571 eval "$var=\"\$$var $*\""
572 }
573
574 prepend(){
575 var=$1
576 shift
577 eval "$var=\"$* \$$var\""
578 }
579
580 add_cppflags(){
581 append CPPFLAGS $($filter_cppflags "$@")
582 }
583
584 add_cflags(){
585 append CFLAGS $($filter_cflags "$@")
586 }
587
588 add_asflags(){
589 append ASFLAGS $($filter_asflags "$@")
590 }
591
592 add_ldflags(){
593 append LDFLAGS "$@"
594 }
595
596 add_extralibs(){
597 prepend extralibs "$@"
598 }
599
600 check_cmd(){
601 log "$@"
602 "$@" >> $logfile 2>&1
603 }
604
605 check_cc(){
606 log check_cc "$@"
607 cat > $TMPC
608 log_file $TMPC
609 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
610 }
611
612 check_cpp(){
613 log check_cpp "$@"
614 cat > $TMPC
615 log_file $TMPC
616 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
617 }
618
619 check_as(){
620 log check_as "$@"
621 cat > $TMPC
622 log_file $TMPC
623 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
624 }
625
626 check_asm(){
627 log check_asm "$@"
628 name="$1"
629 code="$2"
630 shift 2
631 disable $name
632 check_as "$@" <<EOF && enable $name
633 void foo(void){ __asm__ volatile($code); }
634 EOF
635 }
636
637 check_yasm(){
638 log check_yasm "$@"
639 echo "$1" > $TMPS
640 log_file $TMPS
641 shift 1
642 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
643 }
644
645 check_ld(){
646 log check_ld "$@"
647 flags=''
648 libs=''
649 for f; do
650 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
651 done
652 check_cc $($filter_cflags $flags) || return
653 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
654 }
655
656 check_cppflags(){
657 log check_cppflags "$@"
658 set -- $($filter_cppflags "$@")
659 check_cc "$@" <<EOF && append CPPFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 check_cflags(){
665 log check_cflags "$@"
666 set -- $($filter_cflags "$@")
667 check_cc "$@" <<EOF && append CFLAGS "$@"
668 int x;
669 EOF
670 }
671
672 test_ldflags(){
673 log test_ldflags "$@"
674 check_ld "$@" <<EOF
675 int main(void){ return 0; }
676 EOF
677 }
678
679 check_ldflags(){
680 log check_ldflags "$@"
681 test_ldflags "$@" && add_ldflags "$@"
682 }
683
684 check_header(){
685 log check_header "$@"
686 header=$1
687 shift
688 disable_safe $header
689 check_cpp "$@" <<EOF && enable_safe $header
690 #include <$header>
691 int x;
692 EOF
693 }
694
695 check_func(){
696 log check_func "$@"
697 func=$1
698 shift
699 disable $func
700 check_ld "$@" <<EOF && enable $func
701 extern int $func();
702 int main(void){ $func(); }
703 EOF
704 }
705
706 check_mathfunc(){
707 log check_mathfunc "$@"
708 func=$1
709 shift
710 disable $func
711 check_ld "$@" <<EOF && enable $func
712 #include <math.h>
713 float foo(float f) { return $func(f); }
714 int main(void){ return 0; }
715 EOF
716 }
717
718 check_func_headers(){
719 log check_func_headers "$@"
720 headers=$1
721 funcs=$2
722 shift 2
723 {
724 for hdr in $headers; do
725 echo "#include <$hdr>"
726 done
727 for func in $funcs; do
728 echo "long check_$func(void) { return (long) $func; }"
729 done
730 echo "int main(void) { return 0; }"
731 } | check_ld "$@" && enable $funcs && enable_safe $headers
732 }
733
734 check_cpp_condition(){
735 log check_cpp_condition "$@"
736 header=$1
737 condition=$2
738 shift 2
739 check_cpp $($filter_cppflags "$@") <<EOF
740 #include <$header>
741 #if !($condition)
742 #error "unsatisfied condition: $condition"
743 #endif
744 EOF
745 }
746
747 check_lib(){
748 log check_lib "$@"
749 header="$1"
750 func="$2"
751 shift 2
752 check_header $header && check_func $func "$@" && add_extralibs "$@"
753 }
754
755 check_lib2(){
756 log check_lib2 "$@"
757 headers="$1"
758 funcs="$2"
759 shift 2
760 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
761 }
762
763 check_pkg_config(){
764 log check_pkg_config "$@"
765 pkg="$1"
766 headers="$2"
767 funcs="$3"
768 shift 3
769 $pkg_config --exists $pkg || return
770 pkg_cflags=$($pkg_config --cflags $pkg)
771 pkg_libs=$($pkg_config --libs $pkg)
772 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
773 set_safe ${pkg}_cflags $pkg_cflags &&
774 set_safe ${pkg}_libs $pkg_libs
775 }
776
777 check_exec(){
778 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
779 }
780
781 check_exec_crash(){
782 code=$(cat)
783
784 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
785 # are safe but may not be available everywhere. Thus we use
786 # raise(SIGTERM) instead. The check is run in a subshell so we
787 # can redirect the "Terminated" message from the shell. SIGBUS
788 # is not defined by standard C so it is used conditionally.
789
790 (check_exec "$@") >> $logfile 2>&1 <<EOF
791 #include <signal.h>
792 static void sighandler(int sig){
793 raise(SIGTERM);
794 }
795 int main(void){
796 signal(SIGILL, sighandler);
797 signal(SIGFPE, sighandler);
798 signal(SIGSEGV, sighandler);
799 #ifdef SIGBUS
800 signal(SIGBUS, sighandler);
801 #endif
802 { $code }
803 }
804 EOF
805 }
806
807 check_type(){
808 log check_type "$@"
809 headers=$1
810 type=$2
811 shift 2
812 disable_safe "$type"
813 incs=""
814 for hdr in $headers; do
815 incs="$incs
816 #include <$hdr>"
817 done
818 check_cc "$@" <<EOF && enable_safe "$type"
819 $incs
820 $type v;
821 EOF
822 }
823
824 check_struct(){
825 log check_type "$@"
826 headers=$1
827 struct=$2
828 member=$3
829 shift 3
830 disable_safe "${struct}_${member}"
831 incs=""
832 for hdr in $headers; do
833 incs="$incs
834 #include <$hdr>"
835 done
836 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
837 $incs
838 const void *p = &(($struct *)0)->$member;
839 EOF
840 }
841
842 require(){
843 name="$1"
844 header="$2"
845 func="$3"
846 shift 3
847 check_lib $header $func "$@" || die "ERROR: $name not found"
848 }
849
850 require2(){
851 name="$1"
852 headers="$2"
853 func="$3"
854 shift 3
855 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
856 }
857
858 require_pkg_config(){
859 pkg="$1"
860 check_pkg_config "$@" || die "ERROR: $pkg not found"
861 add_cflags $(get_safe ${pkg}_cflags)
862 add_extralibs $(get_safe ${pkg}_libs)
863 }
864
865 check_host_cc(){
866 log check_host_cc "$@"
867 cat > $TMPC
868 log_file $TMPC
869 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
870 }
871
872 check_host_cflags(){
873 log check_host_cflags "$@"
874 check_host_cc "$@" <<EOF && append host_cflags "$@"
875 int x;
876 EOF
877 }
878
879 apply(){
880 file=$1
881 shift
882 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
883 }
884
885 cp_if_changed(){
886 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
887 mkdir -p "$(dirname $2)"
888 cp -f "$1" "$2"
889 }
890
891 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
892 # system-dependent things.
893
894 COMPONENT_LIST="
895 bsfs
896 decoders
897 demuxers
898 encoders
899 filters
900 hwaccels
901 indevs
902 muxers
903 outdevs
904 parsers
905 protocols
906 "
907
908 PROGRAM_LIST="
909 avconv
910 avplay
911 avprobe
912 avserver
913 "
914
915 CONFIG_LIST="
916 $COMPONENT_LIST
917 $PROGRAM_LIST
918 aandct
919 ac3dsp
920 avcodec
921 avdevice
922 avfilter
923 avformat
924 avisynth
925 bzlib
926 dct
927 doc
928 dwt
929 dxva2
930 fastdiv
931 fft
932 frei0r
933 gnutls
934 golomb
935 gpl
936 gray
937 h264chroma
938 h264dsp
939 h264pred
940 hardcoded_tables
941 huffman
942 libcdio
943 libdc1394
944 libdirac
945 libfaac
946 libfreetype
947 libgsm
948 libmp3lame
949 libnut
950 libopencore_amrnb
951 libopencore_amrwb
952 libopencv
953 libopenjpeg
954 libpulse
955 librtmp
956 libschroedinger
957 libspeex
958 libtheora
959 libvo_aacenc
960 libvo_amrwbenc
961 libvorbis
962 libvpx
963 libx264
964 libxavs
965 libxvid
966 lpc
967 lsp
968 mdct
969 memalign_hack
970 mlib
971 mpegaudiodsp
972 network
973 nonfree
974 openssl
975 pic
976 postproc
977 rdft
978 rtpdec
979 runtime_cpudetect
980 safe_bitstream_reader
981 shared
982 sinewin
983 small
984 sram
985 static
986 swscale
987 swscale_alpha
988 thumb
989 vaapi
990 vda
991 vdpau
992 version3
993 x11grab
994 zlib
995 "
996
997 THREADS_LIST='
998 pthreads
999 w32threads
1000 '
1001
1002 ARCH_LIST='
1003 alpha
1004 arm
1005 avr32
1006 avr32_ap
1007 avr32_uc
1008 bfin
1009 ia64
1010 m68k
1011 mips
1012 mips64
1013 parisc
1014 ppc
1015 ppc64
1016 s390
1017 sh4
1018 sparc
1019 sparc64
1020 tomi
1021 x86
1022 x86_32
1023 x86_64
1024 '
1025
1026 ARCH_EXT_LIST='
1027 altivec
1028 amd3dnow
1029 amd3dnowext
1030 armv5te
1031 armv6
1032 armv6t2
1033 armvfp
1034 avx
1035 iwmmxt
1036 mmi
1037 mmx
1038 mmx2
1039 neon
1040 ppc4xx
1041 sse
1042 ssse3
1043 vfpv3
1044 vis
1045 '
1046
1047 HAVE_LIST_PUB='
1048 bigendian
1049 fast_unaligned
1050 '
1051
1052 HAVE_LIST="
1053 $ARCH_EXT_LIST
1054 $HAVE_LIST_PUB
1055 $THREADS_LIST
1056 aligned_stack
1057 alsa_asoundlib_h
1058 altivec_h
1059 arpa_inet_h
1060 asm_mod_y
1061 attribute_may_alias
1062 attribute_packed
1063 closesocket
1064 cmov
1065 dcbzl
1066 dev_bktr_ioctl_bt848_h
1067 dev_bktr_ioctl_meteor_h
1068 dev_ic_bt8xx_h
1069 dev_video_bktr_ioctl_bt848_h
1070 dev_video_meteor_ioctl_meteor_h
1071 dlfcn_h
1072 dlopen
1073 dos_paths
1074 ebp_available
1075 ebx_available
1076 exp2
1077 exp2f
1078 fast_64bit
1079 fast_clz
1080 fast_cmov
1081 fcntl
1082 fork
1083 getaddrinfo
1084 gethrtime
1085 GetProcessAffinityMask
1086 GetProcessMemoryInfo
1087 GetProcessTimes
1088 getrusage
1089 gnu_as
1090 ibm_asm
1091 inet_aton
1092 inline_asm
1093 isatty
1094 ldbrx
1095 libdc1394_1
1096 libdc1394_2
1097 llrint
1098 llrintf
1099 local_aligned_16
1100 local_aligned_8
1101 localtime_r
1102 log2
1103 log2f
1104 loongson
1105 lrint
1106 lrintf
1107 lzo1x_999_compress
1108 machine_ioctl_bt848_h
1109 machine_ioctl_meteor_h
1110 malloc_h
1111 MapViewOfFile
1112 memalign
1113 mkstemp
1114 mmap
1115 poll_h
1116 posix_memalign
1117 round
1118 roundf
1119 sched_getaffinity
1120 sdl
1121 sdl_video_size
1122 setmode
1123 setrlimit
1124 sndio_h
1125 socklen_t
1126 soundcard_h
1127 strerror_r
1128 strptime
1129 strtok_r
1130 struct_addrinfo
1131 struct_ipv6_mreq
1132 struct_rusage_ru_maxrss
1133 struct_sockaddr_in6
1134 struct_sockaddr_sa_len
1135 struct_sockaddr_storage
1136 struct_v4l2_frmivalenum_discrete
1137 symver
1138 symver_asm_label
1139 symver_gnu_asm
1140 sysconf
1141 sysctl
1142 sys_mman_h
1143 sys_param_h
1144 sys_resource_h
1145 sys_select_h
1146 sys_soundcard_h
1147 sys_videoio_h
1148 threads
1149 trunc
1150 truncf
1151 vfp_args
1152 VirtualAlloc
1153 winsock2_h
1154 xform_asm
1155 xmm_clobbers
1156 yasm
1157 "
1158
1159 # options emitted with CONFIG_ prefix but not available on command line
1160 CONFIG_EXTRA="
1161 avutil
1162 gplv3
1163 lgplv3
1164 "
1165
1166 CMDLINE_SELECT="
1167 $ARCH_EXT_LIST
1168 $CONFIG_LIST
1169 $THREADS_LIST
1170 asm
1171 cross_compile
1172 debug
1173 extra_warnings
1174 logging
1175 optimizations
1176 symver
1177 yasm
1178 "
1179
1180 PATHS_LIST='
1181 bindir
1182 datadir
1183 incdir
1184 libdir
1185 mandir
1186 prefix
1187 shlibdir
1188 '
1189
1190 CMDLINE_SET="
1191 $PATHS_LIST
1192 ar
1193 arch
1194 as
1195 build_suffix
1196 cc
1197 cpu
1198 cross_prefix
1199 dep_cc
1200 extra_version
1201 host_cc
1202 host_cflags
1203 host_ldflags
1204 host_libs
1205 host_os
1206 ld
1207 logfile
1208 malloc_prefix
1209 nm
1210 optflags
1211 pkg_config
1212 samples
1213 sysinclude
1214 sysroot
1215 target_exec
1216 target_os
1217 target_path
1218 "
1219
1220 CMDLINE_APPEND="
1221 extra_cflags
1222 "
1223
1224 # code dependency declarations
1225
1226 # architecture extensions
1227
1228 armv5te_deps="arm"
1229 armv6_deps="arm"
1230 armv6t2_deps="arm"
1231 armvfp_deps="arm"
1232 iwmmxt_deps="arm"
1233 neon_deps="arm"
1234 vfpv3_deps="armvfp"
1235
1236 mmi_deps="mips"
1237
1238 altivec_deps="ppc"
1239 ppc4xx_deps="ppc"
1240
1241 vis_deps="sparc"
1242
1243 x86_64_suggest="cmov fast_cmov"
1244 amd3dnow_deps="mmx"
1245 amd3dnowext_deps="amd3dnow"
1246 mmx_deps="x86"
1247 mmx2_deps="mmx"
1248 sse_deps="mmx"
1249 ssse3_deps="sse"
1250 avx_deps="ssse3"
1251
1252 aligned_stack_if_any="ppc x86"
1253 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1254 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1255 fast_unaligned_if_any="armv6 ppc x86"
1256
1257 inline_asm_deps="!tms470"
1258 need_memalign="altivec neon sse"
1259
1260 symver_if_any="symver_asm_label symver_gnu_asm"
1261
1262 # subsystems
1263 dct_select="rdft"
1264 mdct_select="fft"
1265 rdft_select="fft"
1266 mpegaudiodsp_select="dct"
1267
1268 # decoders / encoders / hardware accelerators
1269 aac_decoder_select="mdct sinewin"
1270 aac_encoder_select="mdct sinewin"
1271 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1272 ac3_decoder_select="mdct ac3dsp ac3_parser"
1273 ac3_encoder_select="mdct ac3dsp"
1274 ac3_fixed_encoder_select="mdct ac3dsp"
1275 alac_encoder_select="lpc"
1276 amrnb_decoder_select="lsp"
1277 amrwb_decoder_select="lsp"
1278 atrac1_decoder_select="mdct sinewin"
1279 atrac3_decoder_select="mdct"
1280 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1281 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1282 cavs_decoder_select="golomb"
1283 cook_decoder_select="mdct sinewin"
1284 cscd_decoder_suggest="zlib"
1285 dca_decoder_select="mdct"
1286 dnxhd_encoder_select="aandct"
1287 dxa_decoder_select="zlib"
1288 eac3_decoder_select="ac3_decoder"
1289 eac3_encoder_select="mdct ac3dsp"
1290 eamad_decoder_select="aandct"
1291 eatgq_decoder_select="aandct"
1292 eatqi_decoder_select="aandct"
1293 ffv1_decoder_select="golomb"
1294 flac_decoder_select="golomb"
1295 flac_encoder_select="golomb lpc"
1296 flashsv_decoder_select="zlib"
1297 flashsv_encoder_select="zlib"
1298 flashsv2_decoder_select="zlib"
1299 flv_decoder_select="h263_decoder"
1300 flv_encoder_select="h263_encoder"
1301 fraps_decoder_select="huffman"
1302 h261_encoder_select="aandct"
1303 h263_decoder_select="h263_parser"
1304 h263_encoder_select="aandct"
1305 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1306 h263i_decoder_select="h263_decoder"
1307 h263p_encoder_select="h263_encoder"
1308 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1309 h264_dxva2_hwaccel_deps="dxva2api_h"
1310 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1311 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1312 h264_vda_hwaccel_select="vda h264_decoder"
1313 h264_vdpau_decoder_select="vdpau h264_decoder"
1314 imc_decoder_select="fft mdct sinewin"
1315 jpegls_decoder_select="golomb"
1316 jpegls_encoder_select="golomb"
1317 ljpeg_encoder_select="aandct"
1318 loco_decoder_select="golomb"
1319 mjpeg_encoder_select="aandct"
1320 mlp_decoder_select="mlp_parser"
1321 mp1_decoder_select="mpegaudiodsp"
1322 mp1float_decoder_select="mpegaudiodsp"
1323 mp2_decoder_select="mpegaudiodsp"
1324 mp2float_decoder_select="mpegaudiodsp"
1325 mp3_decoder_select="mpegaudiodsp"
1326 mp3adu_decoder_select="mpegaudiodsp"
1327 mp3adufloat_decoder_select="mpegaudiodsp"
1328 mp3float_decoder_select="mpegaudiodsp"
1329 mp3on4_decoder_select="mpegaudiodsp"
1330 mp3on4float_decoder_select="mpegaudiodsp"
1331 mpc7_decoder_select="mpegaudiodsp"
1332 mpc8_decoder_select="mpegaudiodsp"
1333 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1334 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1335 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1336 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1337 mpeg1video_encoder_select="aandct"
1338 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1339 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1340 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1341 mpeg2video_encoder_select="aandct"
1342 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1343 mpeg4_encoder_select="h263_encoder"
1344 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1345 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1346 msmpeg4v1_decoder_select="h263_decoder"
1347 msmpeg4v1_encoder_select="h263_encoder"
1348 msmpeg4v2_decoder_select="h263_decoder"
1349 msmpeg4v2_encoder_select="h263_encoder"
1350 msmpeg4v3_decoder_select="h263_decoder"
1351 msmpeg4v3_encoder_select="h263_encoder"
1352 nellymoser_decoder_select="mdct sinewin"
1353 nellymoser_encoder_select="mdct sinewin"
1354 png_decoder_select="zlib"
1355 png_encoder_select="zlib"
1356 qcelp_decoder_select="lsp"
1357 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1358 ra_144_encoder_select="lpc"
1359 rv10_decoder_select="h263_decoder"
1360 rv10_encoder_select="h263_encoder"
1361 rv20_decoder_select="h263_decoder"
1362 rv20_encoder_select="h263_encoder"
1363 rv30_decoder_select="golomb h264chroma h264pred"
1364 rv40_decoder_select="golomb h264chroma h264pred"
1365 shorten_decoder_select="golomb"
1366 sipr_decoder_select="lsp"
1367 snow_decoder_select="dwt"
1368 snow_encoder_select="aandct dwt"
1369 svq1_encoder_select="aandct"
1370 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1371 svq3_decoder_suggest="zlib"
1372 theora_decoder_select="vp3_decoder"
1373 tiff_decoder_suggest="zlib"
1374 tiff_encoder_suggest="zlib"
1375 truehd_decoder_select="mlp_decoder"
1376 tscc_decoder_select="zlib"
1377 twinvq_decoder_select="mdct lsp sinewin"
1378 vc1_decoder_select="h263_decoder h264chroma"
1379 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1380 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1381 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1382 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1383 vc1image_decoder_select="vc1_decoder"
1384 vorbis_decoder_select="mdct"
1385 vorbis_encoder_select="mdct"
1386 vp6_decoder_select="huffman"
1387 vp6a_decoder_select="vp6_decoder"
1388 vp6f_decoder_select="vp6_decoder"
1389 vp8_decoder_select="h264pred"
1390 wmapro_decoder_select="mdct sinewin"
1391 wmav1_decoder_select="mdct sinewin"
1392 wmav1_encoder_select="mdct sinewin"
1393 wmav2_decoder_select="mdct sinewin"
1394 wmav2_encoder_select="mdct sinewin"
1395 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1396 wmv1_decoder_select="h263_decoder"
1397 wmv1_encoder_select="h263_encoder"
1398 wmv2_decoder_select="h263_decoder"
1399 wmv2_encoder_select="h263_encoder"
1400 wmv3_decoder_select="vc1_decoder"
1401 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1402 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1403 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1404 wmv3image_decoder_select="wmv3_decoder"
1405 zlib_decoder_select="zlib"
1406 zlib_encoder_select="zlib"
1407 zmbv_decoder_select="zlib"
1408 zmbv_encoder_select="zlib"
1409
1410 vaapi_deps="va_va_h"
1411 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1412 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1413
1414 # parsers
1415 h264_parser_select="golomb h264chroma h264dsp h264pred"
1416
1417 # external libraries
1418 libdirac_decoder_deps="libdirac !libschroedinger"
1419 libdirac_encoder_deps="libdirac"
1420 libfaac_encoder_deps="libfaac"
1421 libgsm_decoder_deps="libgsm"
1422 libgsm_encoder_deps="libgsm"
1423 libgsm_ms_decoder_deps="libgsm"
1424 libgsm_ms_encoder_deps="libgsm"
1425 libmp3lame_encoder_deps="libmp3lame"
1426 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1427 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1428 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1429 libopenjpeg_decoder_deps="libopenjpeg"
1430 libschroedinger_decoder_deps="libschroedinger"
1431 libschroedinger_encoder_deps="libschroedinger"
1432 libspeex_decoder_deps="libspeex"
1433 libspeex_encoder_deps="libspeex"
1434 libtheora_encoder_deps="libtheora"
1435 libvo_aacenc_encoder_deps="libvo_aacenc"
1436 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1437 libvorbis_encoder_deps="libvorbis"
1438 libvpx_decoder_deps="libvpx"
1439 libvpx_encoder_deps="libvpx"
1440 libx264_encoder_deps="libx264"
1441 libxavs_encoder_deps="libxavs"
1442 libxvid_encoder_deps="libxvid"
1443
1444 # demuxers / muxers
1445 ac3_demuxer_select="ac3_parser"
1446 asf_stream_muxer_select="asf_muxer"
1447 avisynth_demuxer_deps="avisynth"
1448 dirac_demuxer_select="dirac_parser"
1449 eac3_demuxer_select="ac3_parser"
1450 flac_demuxer_select="flac_parser"
1451 ipod_muxer_select="mov_muxer"
1452 libnut_demuxer_deps="libnut"
1453 libnut_muxer_deps="libnut"
1454 matroska_audio_muxer_select="matroska_muxer"
1455 matroska_demuxer_suggest="zlib bzlib"
1456 mov_demuxer_suggest="zlib"
1457 mp3_demuxer_select="mpegaudio_parser"
1458 mp4_muxer_select="mov_muxer"
1459 mpegtsraw_demuxer_select="mpegts_demuxer"
1460 mxf_d10_muxer_select="mxf_muxer"
1461 ogg_demuxer_select="golomb"
1462 psp_muxer_select="mov_muxer"
1463 rtp_demuxer_select="sdp_demuxer"
1464 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1465 rtsp_demuxer_select="http_protocol rtpdec"
1466 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1467 sap_demuxer_select="sdp_demuxer"
1468 sap_muxer_select="rtp_muxer rtp_protocol"
1469 sdp_demuxer_select="rtpdec"
1470 spdif_muxer_select="aac_parser"
1471 tg2_muxer_select="mov_muxer"
1472 tgp_muxer_select="mov_muxer"
1473 w64_demuxer_deps="wav_demuxer"
1474
1475 # indevs / outdevs
1476 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1477 alsa_outdev_deps="alsa_asoundlib_h"
1478 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1479 dv1394_indev_deps="dv1394 dv_demuxer"
1480 fbdev_indev_deps="linux_fb_h"
1481 jack_indev_deps="jack_jack_h"
1482 libcdio_indev_deps="libcdio"
1483 libdc1394_indev_deps="libdc1394"
1484 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1485 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1486 pulse_indev_deps="libpulse"
1487 sndio_indev_deps="sndio_h"
1488 sndio_outdev_deps="sndio_h"
1489 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1490 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1491 vfwcap_indev_extralibs="-lavicap32"
1492 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1493 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1494
1495 # protocols
1496 gopher_protocol_deps="network"
1497 httpproxy_protocol_deps="network"
1498 httpproxy_protocol_select="tcp_protocol"
1499 http_protocol_deps="network"
1500 http_protocol_select="tcp_protocol"
1501 https_protocol_select="tls_protocol"
1502 mmsh_protocol_select="http_protocol"
1503 mmst_protocol_deps="network"
1504 rtmp_protocol_select="tcp_protocol"
1505 rtp_protocol_select="udp_protocol"
1506 tcp_protocol_deps="network"
1507 tls_protocol_deps_any="openssl gnutls"
1508 tls_protocol_select="tcp_protocol"
1509 udp_protocol_deps="network"
1510
1511 # filters
1512 blackframe_filter_deps="gpl"
1513 boxblur_filter_deps="gpl"
1514 cropdetect_filter_deps="gpl"
1515 delogo_filter_deps="gpl"
1516 drawtext_filter_deps="libfreetype"
1517 frei0r_filter_deps="frei0r dlopen strtok_r"
1518 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1519 hqdn3d_filter_deps="gpl"
1520 ocv_filter_deps="libopencv"
1521 scale_filter_deps="swscale"
1522 yadif_filter_deps="gpl"
1523
1524 # libraries
1525 avdevice_deps="avcodec avformat"
1526 avformat_deps="avcodec"
1527 postproc_deps="gpl"
1528
1529 # programs
1530 avconv_deps="avcodec avformat swscale"
1531 avplay_deps="avcodec avformat swscale sdl"
1532 avplay_select="rdft"
1533 avprobe_deps="avcodec avformat"
1534 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1535 avserver_extralibs='$ldl'
1536
1537 doc_deps="texi2html"
1538
1539 # tests
1540
1541 test_deps(){
1542 suf1=$1
1543 suf2=$2
1544 shift 2
1545 for v; do
1546 dep=${v%=*}
1547 tests=${v#*=}
1548 for name in ${tests}; do
1549 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1550 done
1551 done
1552 }
1553
1554 mxf_d10_test_deps="avfilter"
1555 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1556
1557 test_deps _encoder _decoder \
1558 adpcm_ima_qt \
1559 adpcm_ima_wav \
1560 adpcm_ms \
1561 adpcm_swf \
1562 adpcm_yamaha=adpcm_yam \
1563 alac \
1564 asv1 \
1565 asv2 \
1566 bmp \
1567 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1568 dvvideo="dv dv_411 dv50" \
1569 ffv1 \
1570 flac \
1571 flashsv \
1572 flv \
1573 adpcm_g726=g726 \
1574 gif \
1575 h261 \
1576 h263="h263 h263p" \
1577 huffyuv \
1578 jpegls \
1579 mjpeg="jpg mjpeg ljpeg" \
1580 mp2 \
1581 mpeg1video="mpeg mpeg1b" \
1582 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1583 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1584 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1585 mpeg4="mpeg4thread error rc" \
1586 msmpeg4v3=msmpeg4 \
1587 msmpeg4v2 \
1588 pbm=pbmpipe \
1589 pcx \
1590 pgm="pgm pgmpipe" \
1591 png \
1592 ppm="ppm ppmpipe" \
1593 rawvideo="rgb yuv" \
1594 roq \
1595 rv10 \
1596 rv20 \
1597 sgi \
1598 snow="snow snowll" \
1599 svq1 \
1600 targa=tga \
1601 tiff \
1602 wmav1 \
1603 wmav2 \
1604 wmv1 \
1605 wmv2 \
1606
1607 test_deps _muxer _demuxer \
1608 aiff \
1609 pcm_alaw=alaw \
1610 asf \
1611 au \
1612 avi \
1613 dv=dv_fmt \
1614 ffm \
1615 flv=flv_fmt \
1616 gxf \
1617 matroska=mkv \
1618 mmf \
1619 mov \
1620 pcm_mulaw=mulaw \
1621 mxf="mxf mxf_d10" \
1622 nut \
1623 ogg \
1624 rawvideo=pixfmt \
1625 rm \
1626 swf \
1627 mpegts=ts \
1628 voc \
1629 wav \
1630 yuv4mpegpipe=yuv4mpeg \
1631
1632 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1633 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1634
1635 # default parameters
1636
1637 logfile="config.log"
1638
1639 # installation paths
1640 prefix_default="/usr/local"
1641 bindir_default='${prefix}/bin'
1642 datadir_default='${prefix}/share/avconv'
1643 incdir_default='${prefix}/include'
1644 libdir_default='${prefix}/lib'
1645 mandir_default='${prefix}/share/man'
1646 shlibdir_default="$libdir_default"
1647
1648 # toolchain
1649 ar_default="ar"
1650 cc_default="gcc"
1651 cc_version=\"unknown\"
1652 host_cc_default="gcc"
1653 ln_s="ln -sf"
1654 nm_default="nm"
1655 objformat="elf"
1656 pkg_config_default=pkg-config
1657 ranlib="ranlib"
1658 yasmexe="yasm"
1659
1660 nm_opts='-g'
1661 nogas=":"
1662
1663 # machine
1664 arch_default=$(uname -m)
1665 cpu="generic"
1666
1667 # OS
1668 target_os_default=$(tolower $(uname -s))
1669 host_os=$target_os_default
1670
1671 # configurable options
1672 enable $PROGRAM_LIST
1673
1674 enable avcodec
1675 enable avdevice
1676 enable avfilter
1677 enable avformat
1678 enable avutil
1679 enable swscale
1680
1681 enable asm
1682 enable debug
1683 enable doc
1684 enable fastdiv
1685 enable network
1686 enable optimizations
1687 enable safe_bitstream_reader
1688 enable static
1689 enable swscale_alpha
1690
1691 # build settings
1692 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1693 AVSERVERLDFLAGS=-Wl,-E
1694 LIBPREF="lib"
1695 LIBSUF=".a"
1696 FULLNAME='$(NAME)$(BUILDSUF)'
1697 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1698 SLIBPREF="lib"
1699 SLIBSUF=".so"
1700 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1701 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1702 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1703 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1704 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1705 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1706
1707 AS_O='-o $@'
1708 CC_O='-o $@'
1709
1710 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1711 host_libs='-lm'
1712
1713 target_path='$(CURDIR)'
1714
1715 # since the object filename is not given with the -MM flag, the compiler
1716 # is only able to print the basename, and we must add the path ourselves
1717 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1718 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1719
1720 # find source path
1721 if test -f configure; then
1722 source_path=.
1723 else
1724 source_path=$(cd $(dirname "$0"); pwd)
1725 echo "$source_path" | grep -q '[[:blank:]]' &&
1726 die "Out of tree builds are impossible with whitespace in source path."
1727 test -e "$source_path/config.h" &&
1728 die "Out of tree builds are impossible with config.h in source dir."
1729 fi
1730
1731 for v in "$@"; do
1732 r=${v#*=}
1733 l=${v%"$r"}
1734 r=$(sh_quote "$r")
1735 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1736 done
1737
1738 find_things(){
1739 thing=$1
1740 pattern=$2
1741 file=$source_path/$3
1742 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1743 }
1744
1745 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1746 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1747 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1748 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1749 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1750 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1751 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1752 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1753 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1754 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1755 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1756
1757 ALL_COMPONENTS="
1758 $BSF_LIST
1759 $DECODER_LIST
1760 $DEMUXER_LIST
1761 $ENCODER_LIST
1762 $FILTER_LIST
1763 $HWACCEL_LIST
1764 $INDEV_LIST
1765 $MUXER_LIST
1766 $OUTDEV_LIST
1767 $PARSER_LIST
1768 $PROTOCOL_LIST
1769 "
1770
1771 find_tests(){
1772 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1773 }
1774
1775 ACODEC_TESTS=$(find_tests acodec)
1776 VCODEC_TESTS=$(find_tests vsynth1)
1777 LAVF_TESTS=$(find_tests lavf)
1778 LAVFI_TESTS=$(find_tests lavfi)
1779 SEEK_TESTS=$(find_tests seek seek_)
1780
1781 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1782
1783 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1784
1785 for n in $COMPONENT_LIST; do
1786 v=$(toupper ${n%s})_LIST
1787 eval enable \$$v
1788 eval ${n}_if_any="\$$v"
1789 done
1790
1791 enable $ARCH_EXT_LIST $ALL_TESTS
1792
1793 die_unknown(){
1794 echo "Unknown option \"$1\"."
1795 echo "See $0 --help for available options."
1796 exit 1
1797 }
1798
1799 show_list() {
1800 suffix=_$1
1801 shift
1802 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1803 exit 0
1804 }
1805
1806 for opt do
1807 optval="${opt#*=}"
1808 case "$opt" in
1809 --extra-ldflags=*) add_ldflags $optval
1810 ;;
1811 --extra-libs=*) add_extralibs $optval
1812 ;;
1813 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1814 ;;
1815 --enable-debug=*) debuglevel="$optval"
1816 ;;
1817 --disable-everything)
1818 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1819 ;;
1820 --enable-*=*|--disable-*=*)
1821 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1822 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1823 eval list=\$$(toupper $thing)_LIST
1824 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1825 $action $(filter "$name" $list)
1826 ;;
1827 --enable-?*|--disable-?*)
1828 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1829 if is_in $option $COMPONENT_LIST; then
1830 test $action = disable && action=unset
1831 eval $action \$$(toupper ${option%s})_LIST
1832 elif is_in $option $CMDLINE_SELECT; then
1833 $action $option
1834 else
1835 die_unknown $opt
1836 fi
1837 ;;
1838 --list-*)
1839 NAME="${opt#--list-}"
1840 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1841 NAME=${NAME%s}
1842 eval show_list $NAME \$$(toupper $NAME)_LIST
1843 ;;
1844 --help|-h) show_help
1845 ;;
1846 *)
1847 optname="${opt%%=*}"
1848 optname="${optname#--}"
1849 optname=$(echo "$optname" | sed 's/-/_/g')
1850 if is_in $optname $CMDLINE_SET; then
1851 eval $optname='$optval'
1852 elif is_in $optname $CMDLINE_APPEND; then
1853 append $optname "$optval"
1854 else
1855 die_unknown $opt
1856 fi
1857 ;;
1858 esac
1859 done
1860
1861 disabled logging && logfile=/dev/null
1862
1863 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1864 set >> $logfile
1865
1866 test -n "$cross_prefix" && enable cross_compile
1867
1868 if enabled cross_compile; then
1869 test -n "$arch" && test -n "$target_os" ||
1870 die "Must specify target arch and OS when cross-compiling"
1871 fi
1872
1873 set_default arch target_os
1874
1875 ar_default="${cross_prefix}${ar_default}"
1876 cc_default="${cross_prefix}${cc_default}"
1877 nm_default="${cross_prefix}${nm_default}"
1878 pkg_config_default="${cross_prefix}${pkg_config_default}"
1879 ranlib="${cross_prefix}${ranlib}"
1880
1881 sysinclude_default="${sysroot}/usr/include"
1882
1883 set_default cc nm pkg_config sysinclude
1884 enabled cross_compile || host_cc_default=$cc
1885 set_default host_cc
1886
1887 if ! $pkg_config --version >/dev/null 2>&1; then
1888 warn "$pkg_config not found, library detection may fail."
1889 pkg_config=false
1890 fi
1891
1892 exesuf() {
1893 case $1 in
1894 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1895 esac
1896 }
1897
1898 EXESUF=$(exesuf $target_os)
1899 HOSTEXESUF=$(exesuf $host_os)
1900
1901 # set temporary file name
1902 : ${TMPDIR:=$TEMPDIR}
1903 : ${TMPDIR:=$TMP}
1904 : ${TMPDIR:=/tmp}
1905
1906 if ! check_cmd mktemp -u XXXXXX; then
1907 # simple replacement for missing mktemp
1908 # NOT SAFE FOR GENERAL USE
1909 mktemp(){
1910 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1911 }
1912 fi
1913
1914 tmpfile(){
1915 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1916 (set -C; exec > $tmp) 2>/dev/null ||
1917 die "Unable to create temporary file in $TMPDIR."
1918 append TMPFILES $tmp
1919 eval $1=$tmp
1920 }
1921
1922 trap 'rm -f -- $TMPFILES' EXIT
1923
1924 tmpfile TMPASM .asm
1925 tmpfile TMPC .c
1926 tmpfile TMPE $EXESUF
1927 tmpfile TMPH .h
1928 tmpfile TMPO .o
1929 tmpfile TMPS .S
1930 tmpfile TMPSH .sh
1931 tmpfile TMPV .ver
1932
1933 unset -f mktemp
1934
1935 chmod +x $TMPE
1936
1937 # make sure we can execute files in $TMPDIR
1938 cat > $TMPSH 2>> $logfile <<EOF
1939 #! /bin/sh
1940 EOF
1941 chmod +x $TMPSH >> $logfile 2>&1
1942 if ! $TMPSH >> $logfile 2>&1; then
1943 cat <<EOF
1944 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1945 variable to another directory and make sure that it is not mounted noexec.
1946 EOF
1947 die "Sanity test failed."
1948 fi
1949
1950 filter_asflags=echo
1951 filter_cflags=echo
1952 filter_cppflags=echo
1953
1954 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1955 cc_type=llvm_gcc
1956 cc_version=__VERSION__
1957 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1958 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1959 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1960 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1961 speed_cflags='-O3'
1962 size_cflags='-Os'
1963 elif $cc -v 2>&1 | grep -qi ^gcc; then
1964 cc_type=gcc
1965 cc_version=__VERSION__
1966 gcc_version=$($cc --version | head -n1)
1967 gcc_basever=$($cc -dumpversion)
1968 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1969 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1970 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1971 if ! $cc -dumpversion | grep -q '^2\.'; then
1972 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1973 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1974 fi
1975 speed_cflags='-O3'
1976 size_cflags='-Os'
1977 elif $cc --version 2>/dev/null | grep -q Intel; then
1978 cc_type=icc
1979 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1980 cc_ident=$($cc --version | head -n1)
1981 icc_version=$($cc -dumpversion)
1982 CC_DEPFLAGS='-MMD'
1983 AS_DEPFLAGS='-MMD'
1984 speed_cflags='-O3'
1985 size_cflags='-Os'
1986 noopt_cflags='-O1'
1987 elif $cc -v 2>&1 | grep -q xlc; then
1988 cc_type=xlc
1989 cc_version="AV_STRINGIFY(__IBMC__)"
1990 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1991 speed_cflags='-O5'
1992 size_cflags='-O5 -qcompact'
1993 elif $cc -V 2>/dev/null | grep -q Compaq; then
1994 cc_type=ccc
1995 cc_version="AV_STRINGIFY(__DECC_VER)"
1996 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1997 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1998 debuglevel=3
1999 add_ldflags -Wl,-z,now # calls to libots crash without this
2000 speed_cflags='-fast'
2001 size_cflags='-O1'
2002 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2003 test -d "$sysroot" || die "No valid sysroot specified."
2004 cc_type=armcc
2005 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2006 cc_ident=$($cc --vsn | head -n1)
2007 armcc_conf="$PWD/armcc.conf"
2008 $cc --arm_linux_configure \
2009 --arm_linux_config_file="$armcc_conf" \
2010 --configure_sysroot="$sysroot" \
2011 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2012 die "Error creating armcc configuration file."
2013 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2014 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2015 as_default="${cross_prefix}gcc"
2016 CC_DEPFLAGS='-MMD'
2017 AS_DEPFLAGS='-MMD'
2018 speed_cflags='-O3'
2019 size_cflags='-Os'
2020 filter_asflags="filter_out -W${armcc_opt}*"
2021 elif $cc -version 2>/dev/null | grep -q TMS470; then
2022 cc_type=tms470
2023 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2024 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2025 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2026 CC_O='-fr=$(@D)'
2027 as_default="${cross_prefix}gcc"
2028 ld_default="${cross_prefix}gcc"
2029 TMPO=$(basename $TMPC .c).o
2030 append TMPFILES $TMPO
2031 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2032 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2033 AS_DEPFLAGS='-MMD'
2034 speed_cflags='-O3 -mf=5'
2035 size_cflags='-O3 -mf=2'
2036 filter_cflags=tms470_flags
2037 tms470_flags(){
2038 for flag; do
2039 case $flag in
2040 -march=*|-mcpu=*)
2041 case "${flag#*=}" in
2042 armv7-a|cortex-a*) echo -mv=7a8 ;;
2043 armv7-r|cortex-r*) echo -mv=7r4 ;;
2044 armv7-m|cortex-m*) echo -mv=7m3 ;;
2045 armv6*|arm11*) echo -mv=6 ;;
2046 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2047 echo -mv=5e ;;
2048 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2049 esac
2050 ;;
2051 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2052 -mfpu=vfp) echo --float_support=vfpv2 ;;
2053 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2054 -msoft-float) echo --float_support=vfplib ;;
2055 -O[0-3]|-mf=*) echo $flag ;;
2056 -g) echo -g -mn ;;
2057 -pds=*) echo $flag ;;
2058 esac
2059 done
2060 }
2061 elif $cc -v 2>&1 | grep -q clang; then
2062 cc_type=clang
2063 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2064 cc_version=__clang_version__ || cc_version=__VERSION__
2065 cc_ident=$($cc --version | head -n1)
2066 CC_DEPFLAGS='-MMD'
2067 AS_DEPFLAGS='-MMD'
2068 speed_cflags='-O3'
2069 size_cflags='-Os'
2070 elif $cc -V 2>&1 | grep -q Sun; then
2071 cc_type=suncc
2072 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2073 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2074 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2075 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2076 add_ldflags -xc99
2077 speed_cflags='-O5'
2078 size_cflags='-O5 -xspace'
2079 filter_cflags=suncc_flags
2080 suncc_flags(){
2081 for flag; do
2082 case $flag in
2083 -march=*|-mcpu=*)
2084 case "${flag#*=}" in
2085 native) echo -xtarget=native ;;
2086 v9|niagara) echo -xarch=sparc ;;
2087 ultrasparc) echo -xarch=sparcvis ;;
2088 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2089 i586|pentium) echo -xchip=pentium ;;
2090 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2091 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2092 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2093 pentium4*) echo -xtarget=pentium4 ;;
2094 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2095 *-sse3) echo -xarch=sse3 ;;
2096 core2) echo -xarch=ssse3 -xchip=core2 ;;
2097 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2098 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2099 k8|opteron|athlon64|athlon-fx)
2100 echo -xarch=sse2a ;;
2101 athlon*) echo -xarch=pentium_proa ;;
2102 esac
2103 ;;
2104 -std=c99) echo -xc99 ;;
2105 -fomit-frame-pointer) echo -xregs=frameptr ;;
2106 -fPIC) echo -KPIC -xcode=pic32 ;;
2107 -W*,*) echo $flag ;;
2108 -f*-*|-W*) ;;
2109 *) echo $flag ;;
2110 esac
2111 done
2112 }
2113 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2114 cc_type=pathscale
2115 cc_version=__PATHSCALE__
2116 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2117 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2118 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2119 speed_cflags='-O2'
2120 size_cflags='-Os'
2121 filter_cflags='filter_out -Wdisabled-optimization'
2122 elif $cc -v 2>&1 | grep -q Open64; then
2123 cc_type=open64
2124 cc_version=__OPEN64__
2125 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2126 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2127 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2128 speed_cflags='-O2'
2129 size_cflags='-Os'
2130 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2131 fi
2132
2133 test -n "$cc_type" && enable $cc_type ||
2134 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2135
2136 : ${as_default:=$cc}
2137 : ${dep_cc_default:=$cc}
2138 : ${ld_default:=$cc}
2139 set_default ar as dep_cc ld
2140
2141 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2142 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2143
2144 add_cflags $extra_cflags
2145 add_asflags $extra_cflags
2146
2147 if test -n "$sysroot"; then
2148 case "$cc_type" in
2149 gcc|llvm_gcc|clang)
2150 add_cppflags --sysroot="$sysroot"
2151 add_ldflags --sysroot="$sysroot"
2152 ;;
2153 tms470)
2154 add_cppflags -I"$sysinclude"
2155 add_ldflags --sysroot="$sysroot"
2156 ;;
2157 esac
2158 fi
2159
2160 if test "$cpu" = host; then
2161 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2162
2163 case "$cc_type" in
2164 gcc|llvm_gcc)
2165 check_native(){
2166 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2167 sed -n "/cc1.*$1=/{
2168 s/.*$1=\\([^ ]*\\).*/\\1/
2169 p
2170 q
2171 }" $TMPE
2172 }
2173 cpu=$(check_native -march || check_native -mcpu)
2174 ;;
2175 esac
2176
2177 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2178 fi
2179
2180 # Deal with common $arch aliases
2181 case "$arch" in
2182 arm*)
2183 arch="arm"
2184 ;;
2185 mips|mipsel|IP*)
2186 arch="mips"
2187 ;;
2188 mips64*)
2189 arch="mips"
2190 subarch="mips64"
2191 ;;
2192 parisc|hppa)
2193 arch="parisc"
2194 ;;
2195 parisc64|hppa64)
2196 arch="parisc"
2197 subarch="parisc64"
2198 ;;
2199 "Power Macintosh"|ppc|powerpc)
2200 arch="ppc"
2201 ;;
2202 ppc64|powerpc64)
2203 arch="ppc"
2204 subarch="ppc64"
2205 ;;
2206 s390|s390x)
2207 arch="s390"
2208 ;;
2209 sh4|sh)
2210 arch="sh4"
2211 ;;
2212 sun4u|sparc64)
2213 arch="sparc"
2214 subarch="sparc64"
2215 ;;
2216 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2217 arch="x86"
2218 ;;
2219 esac
2220
2221 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2222 enable $arch
2223
2224 # Add processor-specific flags
2225 if test "$cpu" = generic; then
2226 : do nothing
2227 elif enabled ppc; then
2228
2229 case $(tolower $cpu) in
2230 601|ppc601|powerpc601)
2231 cpuflags="-mcpu=601"
2232 disable altivec
2233 ;;
2234 603*|ppc603*|powerpc603*)
2235 cpuflags="-mcpu=603"
2236 disable altivec
2237 ;;
2238 604*|ppc604*|powerpc604*)
2239 cpuflags="-mcpu=604"
2240 disable altivec
2241 ;;
2242 g3|75*|ppc75*|powerpc75*)
2243 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2244 disable altivec
2245 ;;
2246 g4|745*|ppc745*|powerpc745*)
2247 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2248 ;;
2249 74*|ppc74*|powerpc74*)
2250 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2251 ;;
2252 g5|970|ppc970|powerpc970|power4*)
2253 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2254 ;;
2255 cell)
2256 cpuflags="-mcpu=cell"
2257 enable ldbrx
2258 ;;
2259 e500v2)
2260 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2261 disable altivec
2262 ;;
2263 e500)
2264 cpuflags="-mcpu=8540 -mhard-float"
2265 disable altivec
2266 ;;
2267 esac
2268
2269 elif enabled x86; then
2270
2271 case $cpu in
2272 i[345]86|pentium)
2273 cpuflags="-march=$cpu"
2274 disable mmx
2275 ;;
2276 # targets that do NOT support conditional mov (cmov)
2277 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2278 cpuflags="-march=$cpu"
2279 disable cmov
2280 ;;
2281 # targets that do support conditional mov (cmov)
2282 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2283 cpuflags="-march=$cpu"
2284 enable cmov
2285 enable fast_cmov
2286 ;;
2287 # targets that do support conditional mov but on which it's slow
2288 pentium4|pentium4m|prescott|nocona)
2289 cpuflags="-march=$cpu"
2290 enable cmov
2291 disable fast_cmov
2292 ;;
2293 esac
2294
2295 elif enabled sparc; then
2296
2297 case $cpu in
2298 niagara)
2299 cpuflags="-mcpu=$cpu"
2300 disable vis
2301 ;;
2302 sparc64)
2303 cpuflags="-mcpu=v9"
2304 ;;
2305 esac
2306
2307 elif enabled arm; then
2308
2309 case $cpu in
2310 armv*)
2311 cpuflags="-march=$cpu"
2312 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2313 ;;
2314 *)
2315 cpuflags="-mcpu=$cpu"
2316 case $cpu in
2317 cortex-a*) subarch=armv7a ;;
2318 cortex-r*) subarch=armv7r ;;
2319 cortex-m*) enable thumb; subarch=armv7m ;;
2320 arm11*) subarch=armv6 ;;
2321 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2322 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2323 esac
2324 ;;
2325 esac
2326
2327 elif enabled alpha; then
2328
2329 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2330
2331 elif enabled bfin; then
2332
2333 cpuflags="-mcpu=$cpu"
2334
2335 elif enabled mips; then
2336
2337 cpuflags="-march=$cpu"
2338
2339 elif enabled avr32; then
2340
2341 case $cpu in
2342 ap7[02]0[0-2])
2343 subarch="avr32_ap"
2344 cpuflags="-mpart=$cpu"
2345 ;;
2346 ap)
2347 subarch="avr32_ap"
2348 cpuflags="-march=$cpu"
2349 ;;
2350 uc3[ab]*)
2351 subarch="avr32_uc"
2352 cpuflags="-mcpu=$cpu"
2353 ;;
2354 uc)
2355 subarch="avr32_uc"
2356 cpuflags="-march=$cpu"
2357 ;;
2358 esac
2359
2360 fi
2361
2362 add_cflags $cpuflags
2363 add_asflags $cpuflags
2364
2365 # compiler sanity check
2366 check_exec <<EOF
2367 int main(void){ return 0; }
2368 EOF
2369 if test "$?" != 0; then
2370 echo "$cc is unable to create an executable file."
2371 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2372 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2373 echo "Only do this if you know what cross compiling means."
2374 fi
2375 die "C compiler test failed."
2376 fi
2377
2378 add_cppflags -D_ISOC99_SOURCE
2379 check_cflags -std=c99
2380 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2381 #include <stdlib.h>
2382 EOF
2383 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2384 #include <stdlib.h>
2385 EOF
2386
2387 check_host_cflags -std=c99
2388 check_host_cflags -Wall
2389
2390 case "$arch" in
2391 alpha|ia64|mips|parisc|sparc)
2392 spic=$shared
2393 ;;
2394 x86)
2395 subarch="x86_32"
2396 check_cc <<EOF && subarch="x86_64"
2397 int test[(int)sizeof(char*) - 7];
2398 EOF
2399 if test "$subarch" = "x86_64"; then
2400 spic=$shared
2401 fi
2402 ;;
2403 esac
2404
2405 enable $subarch
2406 enabled spic && enable pic
2407
2408 # OS specific
2409 case $target_os in
2410 haiku)
2411 prefix_default="/boot/common"
2412 network_extralibs="-lnetwork"
2413 host_libs=
2414 ;;
2415 sunos)
2416 AVSERVERLDFLAGS=""
2417 SHFLAGS='-shared -Wl,-h,$$(@F)'
2418 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2419 network_extralibs="-lsocket -lnsl"
2420 add_cppflags -D__EXTENSIONS__
2421 # When using suncc to build, the Solaris linker will mark
2422 # an executable with each instruction set encountered by
2423 # the Solaris assembler. As our libraries contain their own
2424 # guards for processor-specific code, instead suppress
2425 # generation of the HWCAPS ELF section on Solaris x86 only.
2426 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2427 nm_opts='-P -g'
2428 ;;
2429 netbsd)
2430 disable symver
2431 oss_indev_extralibs="-lossaudio"
2432 oss_outdev_extralibs="-lossaudio"
2433 ;;
2434 openbsd)
2435 enable malloc_aligned
2436 # On OpenBSD 4.5. the compiler does not use PIC unless
2437 # explicitly using -fPIC. Libav builds fine without PIC,
2438 # however the generated executable will not do anything
2439 # (simply quits with exit-code 1, no crash, no output).
2440 # Thus explicitly enable PIC here.
2441 enable pic
2442 disable symver
2443 SHFLAGS='-shared'
2444 oss_indev_extralibs="-lossaudio"
2445 oss_outdev_extralibs="-lossaudio"
2446 ;;
2447 dragonfly)
2448 enable malloc_aligned
2449 disable symver
2450 ;;
2451 freebsd)
2452 enable malloc_aligned
2453 ;;
2454 bsd/os)
2455 add_extralibs -lpoll -lgnugetopt
2456 ;;
2457 darwin)
2458 enable malloc_aligned
2459 gas="gas-preprocessor.pl $cc"
2460 enabled ppc && add_asflags -force_cpusubtype_ALL
2461 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2462 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2463 add_ldflags -Wl,-dynamic,-search_paths_first
2464 SLIBSUF=".dylib"
2465 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2466 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2467 AVSERVERLDFLAGS=-Wl,-bind_at_load
2468 objformat="macho"
2469 enabled x86_64 && objformat="macho64"
2470 enabled_any pic shared ||
2471 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2472 ;;
2473 mingw32*)
2474 if test $target_os = "mingw32ce"; then
2475 disable network
2476 else
2477 target_os=mingw32
2478 fi
2479 LIBTARGET=i386
2480 if enabled x86_64; then
2481 enable malloc_aligned
2482 LIBTARGET="i386:x86-64"
2483 elif enabled arm; then
2484 LIBTARGET=arm-wince
2485 fi
2486 shlibdir_default="$bindir_default"
2487 SLIBPREF=""
2488 SLIBSUF=".dll"
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2491 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2492 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_LINKS=
2494 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2495 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2496 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2497 objformat="win32"
2498 dlltool="${cross_prefix}dlltool"
2499 enable dos_paths
2500 check_cflags -fno-common
2501 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2502 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2503 die "ERROR: MinGW runtime version must be >= 3.15."
2504 add_cppflags -U__STRICT_ANSI__
2505 ;;
2506 cygwin*)
2507 target_os=cygwin
2508 shlibdir_default="$bindir_default"
2509 SLIBPREF="cyg"
2510 SLIBSUF=".dll"
2511 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2512 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2513 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2514 objformat="win32"
2515 enable dos_paths
2516 check_cflags -fno-common
2517 add_cppflags -U__STRICT_ANSI__
2518 ;;
2519 *-dos|freedos|opendos)
2520 network_extralibs="-lsocket"
2521 objformat="coff"
2522 enable dos_paths
2523 add_cppflags -U__STRICT_ANSI__
2524 ;;
2525 linux)
2526 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2527 enable dv1394
2528 ;;
2529 irix*)
2530 target_os=irix
2531 ranlib="echo ignoring ranlib"
2532 ;;
2533 os/2*)
2534 ln_s="cp -f"
2535 objformat="aout"
2536 add_cppflags -D_GNU_SOURCE
2537 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2538 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2539 AVSERVERLDFLAGS=""
2540 LIBSUF="_s.a"
2541 SLIBPREF=""
2542 SLIBSUF=".dll"
2543 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2544 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2545 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2546 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2547 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2548 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2549 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2550 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2551 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2552 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2553 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2554 enable dos_paths
2555 ;;
2556 gnu/kfreebsd)
2557 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2558 ;;
2559 gnu)
2560 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2561 ;;
2562 qnx)
2563 add_cppflags -D_QNX_SOURCE
2564 network_extralibs="-lsocket"
2565 ;;
2566 symbian)
2567 SLIBSUF=".dll"
2568 enable dos_paths
2569 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2570 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2571 add_ldflags -Wl,--target1-abs,--no-undefined \
2572 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2573 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2574 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2575 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2576 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2577 ;;
2578 none)
2579 ;;
2580 *)
2581 die "Unknown OS '$target_os'."
2582 ;;
2583 esac
2584
2585 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2586
2587 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2588
2589 set_default $PATHS_LIST
2590
2591 # we need to build at least one lib type
2592 if ! enabled_any static shared; then
2593 cat <<EOF
2594 At least one library type must be built.
2595 Specify --enable-static to build the static libraries or --enable-shared to
2596 build the shared libraries as well. To only build the shared libraries specify
2597 --disable-static in addition to --enable-shared.
2598 EOF
2599 exit 1;
2600 fi
2601
2602 die_license_disabled() {
2603 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2604 }
2605
2606 die_license_disabled gpl libcdio
2607 die_license_disabled gpl libx264
2608 die_license_disabled gpl libxavs
2609 die_license_disabled gpl libxvid
2610 die_license_disabled gpl x11grab
2611
2612 die_license_disabled nonfree libfaac
2613 die_license_disabled nonfree openssl
2614
2615 die_license_disabled version3 libopencore_amrnb
2616 die_license_disabled version3 libopencore_amrwb
2617 die_license_disabled version3 libvo_aacenc
2618 die_license_disabled version3 libvo_amrwbenc
2619
2620 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2621
2622 disabled optimizations || check_cflags -fomit-frame-pointer
2623
2624 enable_pic() {
2625 enable pic
2626 add_cppflags -DPIC
2627 add_cflags -fPIC
2628 add_asflags -fPIC
2629 }
2630
2631 enabled pic && enable_pic
2632
2633 check_cc <<EOF || die "Symbol mangling check failed."
2634 int ff_extern;
2635 EOF
2636 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2637 extern_prefix=${sym%%ff_extern*}
2638
2639 check_cc <<EOF && enable inline_asm
2640 void foo(void) { __asm__ volatile ("" ::); }
2641 EOF
2642
2643 _restrict=
2644 for restrict_keyword in restrict __restrict__ __restrict; do
2645 check_cc <<EOF && _restrict=$restrict_keyword && break
2646 void foo(char * $restrict_keyword p);
2647 EOF
2648 done
2649
2650 check_cc <<EOF && enable attribute_packed
2651 struct { int x; } __attribute__((packed)) x;
2652 EOF
2653
2654 check_cc <<EOF && enable attribute_may_alias
2655 union { int x; } __attribute__((may_alias)) x;
2656 EOF
2657
2658 check_cc <<EOF || die "endian test failed"
2659 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2660 EOF
2661 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2662
2663 if enabled alpha; then
2664
2665 check_cflags -mieee
2666
2667 elif enabled arm; then
2668
2669 enabled thumb && check_cflags -mthumb || check_cflags -marm
2670 nogas=die
2671
2672 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2673 enable vfp_args
2674 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2675 case "${cross_prefix:-$cc}" in
2676 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2677 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2678 __asm__ (".eabi_attribute 28, 1");
2679 int main(void) { return 0; }
2680 EOF
2681 esac
2682 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2683 fi
2684
2685 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2686 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2687 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2688 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2689 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2690 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2691 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2692
2693 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2694
2695 enabled_all armv6t2 shared !pic && enable_pic
2696
2697 elif enabled mips; then
2698
2699 check_asm loongson '"dmult.g $1, $2, $3"'
2700 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2701
2702 elif enabled ppc; then
2703
2704 enable local_aligned_8 local_aligned_16
2705
2706 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2707 check_asm ibm_asm '"add 0, 0, 0"'
2708 check_asm ppc4xx '"maclhw r10, r11, r12"'
2709 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2710
2711 # AltiVec flags: The FSF version of GCC differs from the Apple version
2712 if enabled altivec; then
2713 nogas=warn
2714 check_cflags -maltivec -mabi=altivec &&
2715 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2716 check_cflags -faltivec
2717
2718 # check if our compiler supports Motorola AltiVec C API
2719 check_cc <<EOF || disable altivec
2720 $inc_altivec_h
2721 int main(void) {
2722 vector signed int v1, v2, v3;
2723 v1 = vec_add(v2,v3);
2724 return 0;
2725 }
2726 EOF
2727
2728 # check if our compiler supports braces for vector declarations
2729 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2730 $inc_altivec_h
2731 int main (void) { (vector int) {1}; return 0; }
2732 EOF
2733 fi
2734
2735 elif enabled sparc; then
2736
2737 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2738 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2739
2740 elif enabled x86; then
2741
2742 enable local_aligned_8 local_aligned_16
2743
2744 # check whether EBP is available on x86
2745 # As 'i' is stored on the stack, this program will crash
2746 # if the base pointer is used to access it because the
2747 # base pointer is cleared in the inline assembly code.
2748 check_exec_crash <<EOF && enable ebp_available
2749 volatile int i=0;
2750 __asm__ volatile (
2751 "xorl %%ebp, %%ebp"
2752 ::: "%ebp");
2753 return i;
2754 EOF
2755
2756 # check whether EBX is available on x86
2757 check_asm ebx_available '""::"b"(0)' &&
2758 check_asm ebx_available '"":::"%ebx"'
2759
2760 # check whether xmm clobbers are supported
2761 check_asm xmm_clobbers '"":::"%xmm0"'
2762
2763 # check whether binutils is new enough to compile SSSE3/MMX2
2764 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2765 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2766
2767 if ! disabled_any asm mmx yasm; then
2768 if check_cmd $yasmexe --version; then
2769 enabled x86_64 && yasm_extra="-m amd64"
2770 yasm_debug="-g dwarf2"
2771 elif check_cmd nasm -v; then
2772 yasmexe=nasm
2773 yasm_debug="-g -F dwarf"
2774 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2775 fi
2776
2777 YASMFLAGS="-f $objformat $yasm_extra"
2778 enabled pic && append YASMFLAGS "-DPIC"
2779 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2780 case "$objformat" in
2781 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2782 esac
2783
2784 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2785 die "yasm not found, use --disable-yasm for a crippled build"
2786 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2787 fi
2788
2789 case "$cpu" in
2790 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2791 disable fast_clz
2792 ;;
2793 esac
2794
2795 fi
2796
2797 if enabled asm; then
2798 as=${gas:=$as}
2799 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2800 $nogas "GNU assembler not found, install gas-preprocessor"
2801 fi
2802
2803 check_ldflags -Wl,--as-needed
2804
2805 if check_func dlopen; then
2806 ldl=
2807 elif check_func dlopen -ldl; then
2808 ldl=-ldl
2809 fi
2810
2811 if enabled network; then
2812 check_type "sys/types.h sys/socket.h" socklen_t
2813 check_type netdb.h "struct addrinfo"
2814 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2815 check_type netinet/in.h "struct sockaddr_in6"
2816 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2817 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2818 # Prefer arpa/inet.h over winsock2
2819 if check_header arpa/inet.h ; then
2820 check_func closesocket
2821 elif check_header winsock2.h ; then
2822 check_func_headers winsock2.h closesocket -lws2 && \
2823 network_extralibs="-lws2" || \
2824 { check_func_headers winsock2.h closesocket -lws2_32 && \
2825 network_extralibs="-lws2_32"; }
2826 check_type ws2tcpip.h socklen_t
2827 check_type ws2tcpip.h "struct addrinfo"
2828 check_type ws2tcpip.h "struct ipv6_mreq"
2829 check_type ws2tcpip.h "struct sockaddr_in6"
2830 check_type ws2tcpip.h "struct sockaddr_storage"
2831 check_struct winsock2.h "struct sockaddr" sa_len
2832 else
2833 disable network
2834 fi
2835 fi
2836
2837 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2838 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2839
2840 check_func fcntl
2841 check_func fork
2842 check_func getaddrinfo $network_extralibs
2843 check_func gethrtime
2844 check_func getrusage
2845 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2846 check_func inet_aton $network_extralibs
2847 check_func isatty
2848 check_func localtime_r
2849 check_func ${malloc_prefix}memalign && enable memalign
2850 check_func mkstemp
2851 check_func mmap
2852 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2853 check_func setrlimit
2854 check_func strerror_r
2855 check_func strptime
2856 check_func strtok_r
2857 check_func sched_getaffinity
2858 check_func sysconf
2859 check_func sysctl
2860 check_func_headers io.h setmode
2861 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2862 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2863 check_func_headers windows.h GetProcessAffinityMask
2864 check_func_headers windows.h GetProcessTimes
2865 check_func_headers windows.h MapViewOfFile
2866 check_func_headers windows.h VirtualAlloc
2867
2868 check_header dlfcn.h
2869 check_header dxva2api.h
2870 check_header malloc.h
2871 check_header poll.h
2872 check_header sys/mman.h
2873 check_header sys/param.h
2874 check_header sys/resource.h
2875 check_header sys/select.h
2876 check_header vdpau/vdpau.h
2877 check_header vdpau/vdpau_x11.h
2878 check_header X11/extensions/XvMClib.h
2879
2880 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2881
2882 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2883 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2884
2885 if ! disabled w32threads && ! enabled pthreads; then
2886 check_func _beginthreadex && enable w32threads
2887 fi
2888
2889 # check for some common methods of building with pthread support
2890 # do this before the optional library checks as some of them require pthreads
2891 if ! disabled pthreads && ! enabled w32threads; then
2892 enable pthreads
2893 if check_func pthread_create; then
2894 :
2895 elif check_func pthread_create -pthread; then
2896 add_cflags -pthread
2897 add_extralibs -pthread
2898 elif check_func pthread_create -pthreads; then
2899 add_cflags -pthreads
2900 add_extralibs -pthreads
2901 elif check_func pthread_create -lpthreadGC2; then
2902 add_extralibs -lpthreadGC2
2903 elif ! check_lib pthread.h pthread_create -lpthread; then
2904 disable pthreads
2905 fi
2906 fi
2907
2908 for thread in $THREADS_LIST; do
2909 if enabled $thread; then
2910 test -n "$thread_type" &&
2911 die "ERROR: Only one thread type must be selected." ||
2912 thread_type="$thread"
2913 fi
2914 done
2915
2916 check_lib math.h sin -lm && LIBM="-lm"
2917 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2918
2919 check_mathfunc exp2
2920 check_mathfunc exp2f
2921 check_mathfunc llrint
2922 check_mathfunc llrintf
2923 check_mathfunc log2
2924 check_mathfunc log2f
2925 check_mathfunc lrint
2926 check_mathfunc lrintf
2927 check_mathfunc round
2928 check_mathfunc roundf
2929 check_mathfunc trunc
2930 check_mathfunc truncf
2931
2932 # these are off by default, so fail if requested and not available
2933 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2934 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2935 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2936 enabled libdirac && require_pkg_config dirac \
2937 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2938 "dirac_decoder_init dirac_encoder_init"
2939 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2940 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2941 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2942 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2943 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2944 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2945 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2946 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2947 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2948 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2949 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2950 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2951 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2952 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2953 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2954 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2955 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2956 enabled libvpx && {
2957 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2958 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2959 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2960 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2961 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2962 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2963 die "ERROR: libx264 version must be >= 0.118."; }
2964 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2965 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2966 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2967 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2968 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2969 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2970 die "ERROR: openssl not found"; }
2971
2972 # libdc1394 check
2973 if enabled libdc1394; then
2974 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2975 enable libdc1394_2; } ||
2976 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2977 enable libdc1394_1; } ||
2978 die "ERROR: No version of libdc1394 found "
2979 fi
2980
2981 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2982 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2983 enable sdl &&
2984 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2985 fi
2986
2987 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2988
2989 check_header linux/fb.h
2990 check_header linux/videodev2.h
2991 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2992
2993 check_header sys/videoio.h
2994
2995 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2996 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2997 # w32api 3.12 had it defined wrong
2998 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2999
3000 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3001 { check_header dev/bktr/ioctl_meteor.h &&
3002 check_header dev/bktr/ioctl_bt848.h; } ||
3003 { check_header machine/ioctl_meteor.h &&
3004 check_header machine/ioctl_bt848.h; } ||
3005 { check_header dev/video/meteor/ioctl_meteor.h &&
3006 check_header dev/video/bktr/ioctl_bt848.h; } ||
3007 check_header dev/ic/bt8xx.h
3008
3009 check_header sndio.h
3010 check_header sys/soundcard.h
3011 check_header soundcard.h
3012
3013 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3014
3015 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3016
3017 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3018
3019 enabled libcdio &&
3020 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3021
3022 enabled x11grab &&
3023 check_header X11/Xlib.h &&
3024 check_header X11/extensions/XShm.h &&
3025 check_header X11/extensions/Xfixes.h &&
3026 check_func XOpenDisplay -lX11 &&
3027 check_func XShmCreateImage -lX11 -lXext &&
3028 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3029
3030 # check for VDA header
3031 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3032 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3033 fi
3034
3035 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3036 check_cpp_condition \
3037 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3038 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3039 disable vdpau; }
3040 fi
3041
3042 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3043
3044 # add some useful compiler flags if supported
3045 check_cflags -Wdeclaration-after-statement
3046 check_cflags -Wall
3047 check_cflags -Wno-parentheses
3048 check_cflags -Wno-switch
3049 check_cflags -Wno-format-zero-length
3050 check_cflags -Wdisabled-optimization
3051 check_cflags -Wpointer-arith
3052 check_cflags -Wredundant-decls
3053 check_cflags -Wno-pointer-sign
3054 check_cflags -Wcast-qual
3055 check_cflags -Wwrite-strings
3056 check_cflags -Wtype-limits
3057 check_cflags -Wundef
3058 check_cflags -Wmissing-prototypes
3059 check_cflags -Wstrict-prototypes
3060 enabled extra_warnings && check_cflags -Winline
3061
3062 # add some linker flags
3063 check_ldflags -Wl,--warn-common
3064 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3065 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3066
3067 echo "X{};" > $TMPV
3068 if test_ldflags -Wl,--version-script,$TMPV; then
3069 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3070 check_cc <<EOF && enable symver_asm_label
3071 void ff_foo(void) __asm__ ("av_foo@VERSION");
3072 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3073 EOF
3074 check_cc <<EOF && enable symver_gnu_asm
3075 __asm__(".symver ff_foo,av_foo@VERSION");
3076 void ff_foo(void) {}
3077 EOF
3078 fi
3079
3080 if [ -n "$optflags" ]; then
3081 add_cflags $optflags
3082 elif enabled small; then
3083 add_cflags $size_cflags
3084 elif enabled optimizations; then
3085 add_cflags $speed_cflags
3086 else
3087 add_cflags $noopt_cflags
3088 fi
3089 check_cflags -fno-math-errno
3090 check_cflags -fno-signed-zeros
3091
3092 if enabled icc; then
3093 # Just warnings, no remarks
3094 check_cflags -w1
3095 # -wd: Disable following warnings
3096 # 144, 167, 556: -Wno-pointer-sign
3097 # 1292: attribute "foo" ignored
3098 # 10006: ignoring unknown option -fno-signed-zeros
3099 # 10148: ignoring unknown option -Wno-parentheses
3100 # 10156: ignoring option '-W'; no argument required
3101 check_cflags -wd144,167,556,1292,10006,10148,10156
3102 # 11030: Warning unknown option --as-needed
3103 # 10156: ignoring option '-export'; no argument required
3104 check_ldflags -wd10156,11030
3105 # Allow to compile with optimizations
3106 check_ldflags -march=$cpu
3107 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3108 enable ebp_available
3109 if enabled x86_32; then
3110 test ${icc_version%%.*} -ge 11 && \
3111 check_cflags -falign-stack=maintain-16-byte || \
3112 disable aligned_stack
3113 fi
3114 elif enabled ccc; then
3115 # disable some annoying warnings
3116 add_cflags -msg_disable cvtu32to64
3117 add_cflags -msg_disable embedcomment
3118 add_cflags -msg_disable needconstext
3119 add_cflags -msg_disable nomainieee
3120 add_cflags -msg_disable ptrmismatch1
3121 add_cflags -msg_disable unreachcode
3122 elif enabled gcc; then
3123 check_cflags -fno-tree-vectorize
3124 check_cflags -Werror=implicit-function-declaration
3125 check_cflags -Werror=missing-prototypes
3126 check_cflags -Werror=declaration-after-statement
3127 elif enabled llvm_gcc; then
3128 check_cflags -mllvm -stack-alignment=16
3129 elif enabled clang; then
3130 check_cflags -mllvm -stack-alignment=16
3131 check_cflags -Qunused-arguments
3132 elif enabled armcc; then
3133 # 2523: use of inline assembler is deprecated
3134 add_cflags -W${armcc_opt},--diag_suppress=2523
3135 add_cflags -W${armcc_opt},--diag_suppress=1207
3136 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3137 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3138 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3139 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3140 elif enabled tms470; then
3141 add_cflags -pds=824 -pds=837
3142 elif enabled pathscale; then
3143 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3144 fi
3145
3146 enabled_any $THREADS_LIST && enable threads
3147
3148 check_deps $CONFIG_LIST \
3149 $CONFIG_EXTRA \
3150 $HAVE_LIST \
3151 $ALL_COMPONENTS \
3152 $ALL_TESTS \
3153
3154 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3155
3156 ! enabled_any memalign posix_memalign malloc_aligned &&
3157 enabled_any $need_memalign && enable memalign_hack
3158
3159 echo "install prefix $prefix"
3160 echo "source path $source_path"
3161 echo "C compiler $cc"
3162 echo "ARCH $arch ($cpu)"
3163 if test "$build_suffix" != ""; then
3164 echo "build suffix $build_suffix"
3165 fi
3166 if test "$extra_version" != ""; then
3167 echo "version string suffix $extra_version"
3168 fi
3169 echo "big-endian ${bigendian-no}"
3170 echo "runtime cpu detection ${runtime_cpudetect-no}"
3171 if enabled x86; then
3172 echo "${yasmexe} ${yasm-no}"
3173 echo "MMX enabled ${mmx-no}"
3174 echo "MMX2 enabled ${mmx2-no}"
3175 echo "3DNow! enabled ${amd3dnow-no}"
3176 echo "3DNow! extended enabled ${amd3dnowext-no}"
3177 echo "SSE enabled ${sse-no}"
3178 echo "SSSE3 enabled ${ssse3-no}"
3179 echo "AVX enabled ${avx-no}"
3180 echo "CMOV enabled ${cmov-no}"
3181 echo "CMOV is fast ${fast_cmov-no}"
3182 echo "EBX available ${ebx_available-no}"
3183 echo "EBP available ${ebp_available-no}"
3184 fi
3185 if enabled arm; then
3186 echo "ARMv5TE enabled ${armv5te-no}"
3187 echo "ARMv6 enabled ${armv6-no}"
3188 echo "ARMv6T2 enabled ${armv6t2-no}"
3189 echo "ARM VFP enabled ${armvfp-no}"
3190 echo "IWMMXT enabled ${iwmmxt-no}"
3191 echo "NEON enabled ${neon-no}"
3192 fi
3193 if enabled mips; then
3194 echo "MMI enabled ${mmi-no}"
3195 fi
3196 if enabled ppc; then
3197 echo "AltiVec enabled ${altivec-no}"
3198 echo "PPC 4xx optimizations ${ppc4xx-no}"
3199 echo "dcbzl available ${dcbzl-no}"
3200 fi
3201 if enabled sparc; then
3202 echo "VIS enabled ${vis-no}"
3203 fi
3204 echo "debug symbols ${debug-no}"
3205 echo "optimize for size ${small-no}"
3206 echo "optimizations ${optimizations-no}"
3207 echo "static ${static-no}"
3208 echo "shared ${shared-no}"
3209 echo "postprocessing support ${postproc-no}"
3210 echo "new filter support ${avfilter-no}"
3211 echo "network support ${network-no}"
3212 echo "threading support ${thread_type-no}"
3213 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3214 echo "SDL support ${sdl-no}"
3215 echo "Sun medialib support ${mlib-no}"
3216 echo "libdxva2 enabled ${dxva2-no}"
3217 echo "libva enabled ${vaapi-no}"
3218 echo "libvdpau enabled ${vdpau-no}"
3219 echo "AVISynth enabled ${avisynth-no}"
3220 echo "frei0r enabled ${frei0r-no}"
3221 echo "gnutls enabled ${gnutls-no}"
3222 echo "libcdio support ${libcdio-no}"
3223 echo "libdc1394 support ${libdc1394-no}"
3224 echo "libdirac enabled ${libdirac-no}"
3225 echo "libfaac enabled ${libfaac-no}"
3226 echo "libgsm enabled ${libgsm-no}"
3227 echo "libmp3lame enabled ${libmp3lame-no}"
3228 echo "libnut enabled ${libnut-no}"
3229 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3230 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3231 echo "libopencv support ${libopencv-no}"
3232 echo "libopenjpeg enabled ${libopenjpeg-no}"
3233 echo "libpulse enabled ${libpulse-no}"
3234 echo "librtmp enabled ${librtmp-no}"
3235 echo "libschroedinger enabled ${libschroedinger-no}"
3236 echo "libspeex enabled ${libspeex-no}"
3237 echo "libtheora enabled ${libtheora-no}"
3238 echo "libvo-aacenc support ${libvo_aacenc-no}"
3239 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3240 echo "libvorbis enabled ${libvorbis-no}"
3241 echo "libvpx enabled ${libvpx-no}"
3242 echo "libx264 enabled ${libx264-no}"
3243 echo "libxavs enabled ${libxavs-no}"
3244 echo "libxvid enabled ${libxvid-no}"
3245 echo "openssl enabled ${openssl-no}"
3246 echo "zlib enabled ${zlib-no}"
3247 echo "bzlib enabled ${bzlib-no}"
3248 echo
3249
3250 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3251 echo "Enabled ${type}s:"
3252 eval list=\$$(toupper $type)_LIST
3253 print_enabled '_*' $list | sort | pr -r -3 -t
3254 echo
3255 done
3256
3257 license="LGPL version 2.1 or later"
3258 if enabled nonfree; then
3259 license="nonfree and unredistributable"
3260 elif enabled gplv3; then
3261 license="GPL version 3 or later"
3262 elif enabled lgplv3; then
3263 license="LGPL version 3 or later"
3264 elif enabled gpl; then
3265 license="GPL version 2 or later"
3266 fi
3267
3268 echo "License: $license"
3269
3270 echo "Creating config.mak and config.h..."
3271
3272 test -e Makefile || $ln_s "$source_path/Makefile" .
3273
3274 config_files="$TMPH config.mak"
3275
3276 cat > config.mak <<EOF
3277 # Automatically generated by configure - do not modify!
3278 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3279 prefix=$prefix
3280 LIBDIR=\$(DESTDIR)$libdir
3281 SHLIBDIR=\$(DESTDIR)$shlibdir
3282 INCDIR=\$(DESTDIR)$incdir
3283 BINDIR=\$(DESTDIR)$bindir
3284 DATADIR=\$(DESTDIR)$datadir
3285 MANDIR=\$(DESTDIR)$mandir
3286 SRC_PATH=$source_path
3287 CC_IDENT=$cc_ident
3288 ARCH=$arch
3289 CC=$cc
3290 AS=$as
3291 LD=$ld
3292 DEPCC=$dep_cc
3293 YASM=$yasmexe
3294 YASMDEP=$yasmexe
3295 AR=$ar
3296 RANLIB=$ranlib
3297 LN_S=$ln_s
3298 CPPFLAGS=$CPPFLAGS
3299 CFLAGS=$CFLAGS
3300 ASFLAGS=$ASFLAGS
3301 AS_O=$CC_O
3302 CC_O=$CC_O
3303 DLLTOOL=$dlltool
3304 LDFLAGS=$LDFLAGS
3305 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3306 SHFLAGS=$SHFLAGS
3307 YASMFLAGS=$YASMFLAGS
3308 BUILDSUF=$build_suffix
3309 FULLNAME=$FULLNAME
3310 LIBPREF=$LIBPREF
3311 LIBSUF=$LIBSUF
3312 LIBNAME=$LIBNAME
3313 SLIBPREF=$SLIBPREF
3314 SLIBSUF=$SLIBSUF
3315 EXESUF=$EXESUF
3316 EXTRA_VERSION=$extra_version
3317 DEPFLAGS=$DEPFLAGS
3318 CCDEP=$CCDEP
3319 ASDEP=$ASDEP
3320 CC_DEPFLAGS=$CC_DEPFLAGS
3321 AS_DEPFLAGS=$AS_DEPFLAGS
3322 HOSTCC=$host_cc
3323 HOSTCFLAGS=$host_cflags
3324 HOSTEXESUF=$HOSTEXESUF
3325 HOSTLDFLAGS=$host_ldflags
3326 HOSTLIBS=$host_libs
3327 TARGET_EXEC=$target_exec
3328 TARGET_PATH=$target_path
3329 SDL_LIBS=$sdl_libs
3330 SDL_CFLAGS=$sdl_cflags
3331 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3332 EXTRALIBS=$extralibs
3333 INSTALL=install
3334 LIBTARGET=${LIBTARGET}
3335 SLIBNAME=${SLIBNAME}
3336 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3337 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3338 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3339 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3340 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3341 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3342 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3343 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3344 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3345 EOF
3346
3347 get_version(){
3348 name=$1
3349 file=$source_path/$2
3350 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3351 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3352 lcname=$(tolower $name)
3353 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3354 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3355 }
3356
3357 get_version LIBAVCODEC libavcodec/version.h
3358 get_version LIBAVDEVICE libavdevice/avdevice.h
3359 get_version LIBAVFILTER libavfilter/version.h
3360 get_version LIBAVFORMAT libavformat/version.h
3361 get_version LIBAVUTIL libavutil/avutil.h
3362 get_version LIBPOSTPROC libpostproc/postprocess.h
3363 get_version LIBSWSCALE libswscale/swscale.h
3364
3365 cat > $TMPH <<EOF
3366 /* Automatically generated by configure - do not modify! */
3367 #ifndef LIBAV_CONFIG_H
3368 #define LIBAV_CONFIG_H
3369 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3370 #define LIBAV_LICENSE "$(c_escape $license)"
3371 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3372 #define CC_TYPE "$cc_type"
3373 #define CC_VERSION $cc_version
3374 #define restrict $_restrict
3375 #define EXTERN_PREFIX "${extern_prefix}"
3376 #define EXTERN_ASM ${extern_prefix}
3377 #define SLIBSUF "$SLIBSUF"
3378 EOF
3379
3380 test -n "$malloc_prefix" &&
3381 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3382
3383 if enabled small || disabled optimizations; then
3384 echo "#undef av_always_inline" >> $TMPH
3385 if enabled small; then
3386 echo "#define av_always_inline inline" >> $TMPH
3387 else
3388 echo "#define av_always_inline av_unused" >> $TMPH
3389 fi
3390 fi
3391
3392 if enabled yasm; then
3393 append config_files $TMPASM
3394 printf '' >$TMPASM
3395 fi
3396
3397 print_config ARCH_ "$config_files" $ARCH_LIST
3398 print_config HAVE_ "$config_files" $HAVE_LIST
3399 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3400 $CONFIG_EXTRA \
3401 $ALL_COMPONENTS \
3402
3403 cat >>config.mak <<EOF
3404 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3405 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3406 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3407 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3408 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3409 EOF
3410
3411 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3412
3413 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3414 cp_if_changed $TMPH config.h
3415 touch .config
3416
3417 enabled yasm && cp_if_changed $TMPASM config.asm
3418
3419 cat > $TMPH <<EOF
3420 /* Generated by ffconf */
3421 #ifndef AVUTIL_AVCONFIG_H
3422 #define AVUTIL_AVCONFIG_H
3423 EOF
3424
3425 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3426
3427 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3428
3429 cp_if_changed $TMPH libavutil/avconfig.h
3430
3431 test -n "$WARNINGS" && printf "\n$WARNINGS"
3432
3433 # build pkg-config files
3434
3435 pkgconfig_generate(){
3436 name=$1
3437 shortname=${name#lib}${build_suffix}
3438 comment=$2
3439 version=$3
3440 libs=$4
3441 requires=$5
3442 enabled ${name#lib} || return 0
3443 mkdir -p $name
3444 cat <<EOF > $name/$name.pc
3445 prefix=$prefix
3446 exec_prefix=\${prefix}
3447 libdir=$libdir
3448 includedir=$incdir
3449
3450 Name: $name
3451 Description: $comment
3452 Version: $version
3453 Requires: $(enabled shared || echo $requires)
3454 Requires.private: $(enabled shared && echo $requires)
3455 Conflicts:
3456 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3457 Libs.private: $(enabled shared && echo $libs)
3458 Cflags: -I\${includedir}
3459 EOF
3460 cat <<EOF > $name/$name-uninstalled.pc
3461 prefix=
3462 exec_prefix=
3463 libdir=\${pcfiledir}
3464 includedir=${source_path}
3465
3466 Name: $name
3467 Description: $comment
3468 Version: $version
3469 Requires: $requires
3470 Conflicts:
3471 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3472 Cflags: -I\${includedir}
3473 EOF
3474 }
3475
3476 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3477 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3478 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3479 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3480 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3481 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3482 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"