526aa77f9f436cb61777fe32a610c4f1eddf3be6
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable libpostproc build (deprecated) [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --disable-safe-bitstream-reader
117 disable buffer boundary checking in bitreaders
118 (faster, but may crash)
119 --enable-memalign-hack emulate memalign, interferes with memory debuggers
120 --disable-everything disable all components listed below
121 --disable-encoder=NAME disable encoder NAME
122 --enable-encoder=NAME enable encoder NAME
123 --disable-encoders disable all encoders
124 --disable-decoder=NAME disable decoder NAME
125 --enable-decoder=NAME enable decoder NAME
126 --disable-decoders disable all decoders
127 --disable-hwaccel=NAME disable hwaccel NAME
128 --enable-hwaccel=NAME enable hwaccel NAME
129 --disable-hwaccels disable all hwaccels
130 --disable-muxer=NAME disable muxer NAME
131 --enable-muxer=NAME enable muxer NAME
132 --disable-muxers disable all muxers
133 --disable-demuxer=NAME disable demuxer NAME
134 --enable-demuxer=NAME enable demuxer NAME
135 --disable-demuxers disable all demuxers
136 --enable-parser=NAME enable parser NAME
137 --disable-parser=NAME disable parser NAME
138 --disable-parsers disable all parsers
139 --enable-bsf=NAME enable bitstream filter NAME
140 --disable-bsf=NAME disable bitstream filter NAME
141 --disable-bsfs disable all bitstream filters
142 --enable-protocol=NAME enable protocol NAME
143 --disable-protocol=NAME disable protocol NAME
144 --disable-protocols disable all protocols
145 --disable-indev=NAME disable input device NAME
146 --disable-outdev=NAME disable output device NAME
147 --disable-indevs disable input devices
148 --disable-outdevs disable output devices
149 --disable-devices disable all devices
150 --enable-filter=NAME enable filter NAME
151 --disable-filter=NAME disable filter NAME
152 --disable-filters disable all filters
153 --list-decoders show all available decoders
154 --list-encoders show all available encoders
155 --list-hwaccels show all available hardware accelerators
156 --list-muxers show all available muxers
157 --list-demuxers show all available demuxers
158 --list-parsers show all available parsers
159 --list-protocols show all available protocols
160 --list-bsfs show all available bitstream filters
161 --list-indevs show all available input devices
162 --list-outdevs show all available output devices
163 --list-filters show all available filters
164
165 External library support:
166 --enable-avisynth enable reading of AVISynth script files [no]
167 --enable-bzlib enable bzlib [autodetect]
168 --enable-frei0r enable frei0r video filtering
169 --enable-gnutls enable gnutls [no]
170 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
171 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
172 --enable-libopencv enable video filtering via libopencv [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libdirac enable Dirac support via libdirac [no]
177 --enable-libfaac enable FAAC support via libfaac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM support via libgsm [no]
180 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
181 --enable-libnut enable NUT (de)muxing via libnut,
182 native (de)muxer exists [no]
183 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac support via libschroedinger [no]
187 --enable-libspeex enable Speex support via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis,
192 native implementation exists [no]
193 --enable-libvpx enable VP8 support via libvpx [no]
194 --enable-libx264 enable H.264 encoding via x264 [no]
195 --enable-libxavs enable AVS encoding via xavs [no]
196 --enable-libxvid enable Xvid encoding via xvidcore,
197 native MPEG-4/Xvid encoder exists [no]
198 --enable-mlib enable Sun medialib [no]
199 --enable-openssl enable openssl [no]
200 --enable-zlib enable zlib [autodetect]
201
202 Advanced options (experts only):
203 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
204 --enable-cross-compile assume a cross-compiler is used
205 --sysroot=PATH root of cross-build tree
206 --sysinclude=PATH location of cross-build system headers
207 --target-os=OS compiler targets OS [$target_os]
208 --target-exec=CMD command to run executables on target
209 --target-path=DIR path to view of build directory on target
210 --nm=NM use nm tool
211 --ar=AR use archive tool AR [$ar_default]
212 --as=AS use assembler AS [$as_default]
213 --cc=CC use C compiler CC [$cc_default]
214 --ld=LD use linker LD
215 --host-cc=HOSTCC use host C compiler HOSTCC
216 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
223 --build-suffix=SUFFIX library name suffix []
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --disable-asm disable all assembler optimizations
228 --disable-altivec disable AltiVec optimizations
229 --disable-amd3dnow disable 3DNow! optimizations
230 --disable-amd3dnowext disable 3DNow! extended optimizations
231 --disable-mmx disable MMX optimizations
232 --disable-mmx2 disable MMX2 optimizations
233 --disable-sse disable SSE optimizations
234 --disable-ssse3 disable SSSE3 optimizations
235 --disable-avx disable AVX optimizations
236 --disable-armv5te disable armv5te optimizations
237 --disable-armv6 disable armv6 optimizations
238 --disable-armv6t2 disable armv6t2 optimizations
239 --disable-armvfp disable ARM VFP optimizations
240 --disable-iwmmxt disable iwmmxt optimizations
241 --disable-mmi disable MMI optimizations
242 --disable-neon disable neon optimizations
243 --disable-vis disable VIS optimizations
244 --disable-yasm disable use of yasm assembler
245 --enable-pic build position-independent code
246 --malloc-prefix=PFX prefix malloc and related names with PFX
247 --enable-sram allow use of on-chip SRAM
248 --disable-symver disable symbol versioning
249 --optflags override optimization-related compiler flags
250
251 Developer options (useful when working on Libav itself):
252 --disable-debug disable debugging symbols
253 --enable-debug=LEVEL set the debug level [$debuglevel]
254 --disable-optimizations disable compiler optimizations
255 --enable-extra-warnings enable more compiler warnings
256 --samples=PATH location of test samples for FATE, if not set use
257 \$FATE_SAMPLES at make invocation time.
258
259 NOTE: Object files are built at the place where configure is launched.
260 EOF
261 exit 0
262 }
263
264 quotes='""'
265
266 log(){
267 echo "$@" >> $logfile
268 }
269
270 log_file(){
271 log BEGIN $1
272 pr -n -t $1 >> $logfile
273 log END $1
274 }
275
276 echolog(){
277 log "$@"
278 echo "$@"
279 }
280
281 warn(){
282 log "WARNING: $*"
283 WARNINGS="${WARNINGS}WARNING: $*\n"
284 }
285
286 die(){
287 echolog "$@"
288 cat <<EOF
289
290 If you think configure made a mistake, make sure you are using the latest
291 version from Git. If the latest version fails, report the problem to the
292 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
293 EOF
294 if disabled logging; then
295 cat <<EOF
296 Rerun configure with logging enabled (do not use --disable-logging), and
297 include the log this produces with your report.
298 EOF
299 else
300 cat <<EOF
301 Include the log file "$logfile" produced by configure as this will help
302 solving the problem.
303 EOF
304 fi
305 exit 1
306 }
307
308 # Avoid locale weirdness, besides we really just want to translate ASCII.
309 toupper(){
310 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
311 }
312
313 tolower(){
314 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
315 }
316
317 c_escape(){
318 echo "$*" | sed 's/["\\]/\\\0/g'
319 }
320
321 sh_quote(){
322 v=$(echo "$1" | sed "s/'/'\\\\''/g")
323 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
324 echo "$v"
325 }
326
327 cleanws(){
328 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
329 }
330
331 filter(){
332 pat=$1
333 shift
334 for v; do
335 eval "case $v in $pat) echo $v ;; esac"
336 done
337 }
338
339 filter_out(){
340 pat=$1
341 shift
342 for v; do
343 eval "case $v in $pat) ;; *) echo $v ;; esac"
344 done
345 }
346
347 map(){
348 m=$1
349 shift
350 for v; do eval $m; done
351 }
352
353 set_all(){
354 value=$1
355 shift
356 for var in $*; do
357 eval $var=$value
358 done
359 }
360
361 set_weak(){
362 value=$1
363 shift
364 for var; do
365 eval : \${$var:=$value}
366 done
367 }
368
369 set_safe(){
370 var=$1
371 shift
372 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
373 }
374
375 get_safe(){
376 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
377 }
378
379 pushvar(){
380 for var in $*; do
381 eval level=\${${var}_level:=0}
382 eval ${var}_${level}="\$$var"
383 eval ${var}_level=$(($level+1))
384 done
385 }
386
387 popvar(){
388 for var in $*; do
389 eval level=\${${var}_level:-0}
390 test $level = 0 && continue
391 eval level=$(($level-1))
392 eval $var="\${${var}_${level}}"
393 eval ${var}_level=$level
394 eval unset ${var}_${level}
395 done
396 }
397
398 enable(){
399 set_all yes $*
400 }
401
402 disable(){
403 set_all no $*
404 }
405
406 enable_weak(){
407 set_weak yes $*
408 }
409
410 disable_weak(){
411 set_weak no $*
412 }
413
414 enable_safe(){
415 for var; do
416 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
417 done
418 }
419
420 disable_safe(){
421 for var; do
422 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 do_enable_deep(){
427 for var; do
428 enabled $var && continue
429 eval sel="\$${var}_select"
430 eval sgs="\$${var}_suggest"
431 pushvar var sgs
432 enable_deep $sel
433 popvar sgs
434 enable_deep_weak $sgs
435 popvar var
436 done
437 }
438
439 enable_deep(){
440 do_enable_deep $*
441 enable $*
442 }
443
444 enable_deep_weak(){
445 do_enable_deep $*
446 enable_weak $*
447 }
448
449 enabled(){
450 test "${1#!}" = "$1" && op== || op=!=
451 eval test "x\$${1#!}" $op "xyes"
452 }
453
454 disabled(){
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xno"
457 }
458
459 enabled_all(){
460 for opt; do
461 enabled $opt || return 1
462 done
463 }
464
465 disabled_all(){
466 for opt; do
467 disabled $opt || return 1
468 done
469 }
470
471 enabled_any(){
472 for opt; do
473 enabled $opt && return 0
474 done
475 }
476
477 disabled_any(){
478 for opt; do
479 disabled $opt && return 0
480 done
481 return 1
482 }
483
484 set_default(){
485 for opt; do
486 eval : \${$opt:=\$${opt}_default}
487 done
488 }
489
490 is_in(){
491 value=$1
492 shift
493 for var in $*; do
494 [ $var = $value ] && return 0
495 done
496 return 1
497 }
498
499 check_deps(){
500 for cfg; do
501 cfg="${cfg#!}"
502 enabled ${cfg}_checking && die "Circular dependency for $cfg."
503 disabled ${cfg}_checking && continue
504 enable ${cfg}_checking
505
506 eval dep_all="\$${cfg}_deps"
507 eval dep_any="\$${cfg}_deps_any"
508 eval dep_sel="\$${cfg}_select"
509 eval dep_sgs="\$${cfg}_suggest"
510 eval dep_ifa="\$${cfg}_if"
511 eval dep_ifn="\$${cfg}_if_any"
512
513 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
514 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
515 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
516
517 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
518 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
519 enabled_all $dep_all || disable $cfg
520 enabled_any $dep_any || disable $cfg
521 disabled_any $dep_sel && disable $cfg
522
523 if enabled $cfg; then
524 eval dep_extralibs="\$${cfg}_extralibs"
525 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
526 enable_deep $dep_sel
527 enable_deep_weak $dep_sgs
528 fi
529
530 disable ${cfg}_checking
531 done
532 }
533
534 print_config_h(){
535 enabled $1 && v=1 || v=0
536 echo "#define $2 $v"
537 }
538
539 print_config_mak(){
540 enabled $1 && v= || v=!
541 echo "$v$2=yes"
542 }
543
544 print_config_asm(){
545 enabled $1 && echo "%define $2"
546 }
547
548 print_config(){
549 pfx=$1
550 files=$2
551 shift 2
552 for cfg; do
553 ucname="$(toupper $cfg)"
554 for f in $files; do
555 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
556 done
557 done
558 }
559
560 print_enabled(){
561 test "$1" = -n && end=" " && shift || end="\n"
562 suf=$1
563 shift
564 for v; do
565 enabled $v && printf "%s$end" ${v%$suf};
566 done
567 }
568
569 append(){
570 var=$1
571 shift
572 eval "$var=\"\$$var $*\""
573 }
574
575 prepend(){
576 var=$1
577 shift
578 eval "$var=\"$* \$$var\""
579 }
580
581 add_cppflags(){
582 append CPPFLAGS $($filter_cppflags "$@")
583 }
584
585 add_cflags(){
586 append CFLAGS $($filter_cflags "$@")
587 }
588
589 add_asflags(){
590 append ASFLAGS $($filter_asflags "$@")
591 }
592
593 add_ldflags(){
594 append LDFLAGS "$@"
595 }
596
597 add_extralibs(){
598 prepend extralibs "$@"
599 }
600
601 check_cmd(){
602 log "$@"
603 "$@" >> $logfile 2>&1
604 }
605
606 check_cc(){
607 log check_cc "$@"
608 cat > $TMPC
609 log_file $TMPC
610 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
611 }
612
613 check_cpp(){
614 log check_cpp "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
618 }
619
620 check_as(){
621 log check_as "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
625 }
626
627 check_asm(){
628 log check_asm "$@"
629 name="$1"
630 code="$2"
631 shift 2
632 disable $name
633 check_as "$@" <<EOF && enable $name
634 void foo(void){ __asm__ volatile($code); }
635 EOF
636 }
637
638 check_yasm(){
639 log check_yasm "$@"
640 echo "$1" > $TMPS
641 log_file $TMPS
642 shift 1
643 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
644 }
645
646 check_ld(){
647 log check_ld "$@"
648 flags=''
649 libs=''
650 for f; do
651 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
652 done
653 check_cc $($filter_cflags $flags) || return
654 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
655 }
656
657 check_cppflags(){
658 log check_cppflags "$@"
659 set -- $($filter_cppflags "$@")
660 check_cc "$@" <<EOF && append CPPFLAGS "$@"
661 int x;
662 EOF
663 }
664
665 check_cflags(){
666 log check_cflags "$@"
667 set -- $($filter_cflags "$@")
668 check_cc "$@" <<EOF && append CFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 test_ldflags(){
674 log test_ldflags "$@"
675 check_ld "$@" <<EOF
676 int main(void){ return 0; }
677 EOF
678 }
679
680 check_ldflags(){
681 log check_ldflags "$@"
682 test_ldflags "$@" && add_ldflags "$@"
683 }
684
685 check_header(){
686 log check_header "$@"
687 header=$1
688 shift
689 disable_safe $header
690 check_cpp "$@" <<EOF && enable_safe $header
691 #include <$header>
692 int x;
693 EOF
694 }
695
696 check_func(){
697 log check_func "$@"
698 func=$1
699 shift
700 disable $func
701 check_ld "$@" <<EOF && enable $func
702 extern int $func();
703 int main(void){ $func(); }
704 EOF
705 }
706
707 check_mathfunc(){
708 log check_mathfunc "$@"
709 func=$1
710 shift
711 disable $func
712 check_ld "$@" <<EOF && enable $func
713 #include <math.h>
714 float foo(float f) { return $func(f); }
715 int main(void){ return 0; }
716 EOF
717 }
718
719 check_func_headers(){
720 log check_func_headers "$@"
721 headers=$1
722 funcs=$2
723 shift 2
724 {
725 for hdr in $headers; do
726 echo "#include <$hdr>"
727 done
728 for func in $funcs; do
729 echo "long check_$func(void) { return (long) $func; }"
730 done
731 echo "int main(void) { return 0; }"
732 } | check_ld "$@" && enable $funcs && enable_safe $headers
733 }
734
735 check_cpp_condition(){
736 log check_cpp_condition "$@"
737 header=$1
738 condition=$2
739 shift 2
740 check_cpp $($filter_cppflags "$@") <<EOF
741 #include <$header>
742 #if !($condition)
743 #error "unsatisfied condition: $condition"
744 #endif
745 EOF
746 }
747
748 check_lib(){
749 log check_lib "$@"
750 header="$1"
751 func="$2"
752 shift 2
753 check_header $header && check_func $func "$@" && add_extralibs "$@"
754 }
755
756 check_lib2(){
757 log check_lib2 "$@"
758 headers="$1"
759 funcs="$2"
760 shift 2
761 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
762 }
763
764 check_pkg_config(){
765 log check_pkg_config "$@"
766 pkg="$1"
767 headers="$2"
768 funcs="$3"
769 shift 3
770 $pkg_config --exists $pkg || return
771 pkg_cflags=$($pkg_config --cflags $pkg)
772 pkg_libs=$($pkg_config --libs $pkg)
773 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
774 set_safe ${pkg}_cflags $pkg_cflags &&
775 set_safe ${pkg}_libs $pkg_libs
776 }
777
778 check_exec(){
779 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
780 }
781
782 check_exec_crash(){
783 code=$(cat)
784
785 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
786 # are safe but may not be available everywhere. Thus we use
787 # raise(SIGTERM) instead. The check is run in a subshell so we
788 # can redirect the "Terminated" message from the shell. SIGBUS
789 # is not defined by standard C so it is used conditionally.
790
791 (check_exec "$@") >> $logfile 2>&1 <<EOF
792 #include <signal.h>
793 static void sighandler(int sig){
794 raise(SIGTERM);
795 }
796 int main(void){
797 signal(SIGILL, sighandler);
798 signal(SIGFPE, sighandler);
799 signal(SIGSEGV, sighandler);
800 #ifdef SIGBUS
801 signal(SIGBUS, sighandler);
802 #endif
803 { $code }
804 }
805 EOF
806 }
807
808 check_type(){
809 log check_type "$@"
810 headers=$1
811 type=$2
812 shift 2
813 disable_safe "$type"
814 incs=""
815 for hdr in $headers; do
816 incs="$incs
817 #include <$hdr>"
818 done
819 check_cc "$@" <<EOF && enable_safe "$type"
820 $incs
821 $type v;
822 EOF
823 }
824
825 check_struct(){
826 log check_type "$@"
827 headers=$1
828 struct=$2
829 member=$3
830 shift 3
831 disable_safe "${struct}_${member}"
832 incs=""
833 for hdr in $headers; do
834 incs="$incs
835 #include <$hdr>"
836 done
837 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
838 $incs
839 const void *p = &(($struct *)0)->$member;
840 EOF
841 }
842
843 require(){
844 name="$1"
845 header="$2"
846 func="$3"
847 shift 3
848 check_lib $header $func "$@" || die "ERROR: $name not found"
849 }
850
851 require2(){
852 name="$1"
853 headers="$2"
854 func="$3"
855 shift 3
856 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
857 }
858
859 require_pkg_config(){
860 pkg="$1"
861 check_pkg_config "$@" || die "ERROR: $pkg not found"
862 add_cflags $(get_safe ${pkg}_cflags)
863 add_extralibs $(get_safe ${pkg}_libs)
864 }
865
866 check_host_cc(){
867 log check_host_cc "$@"
868 cat > $TMPC
869 log_file $TMPC
870 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
871 }
872
873 check_host_cflags(){
874 log check_host_cflags "$@"
875 check_host_cc "$@" <<EOF && append host_cflags "$@"
876 int x;
877 EOF
878 }
879
880 apply(){
881 file=$1
882 shift
883 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
884 }
885
886 cp_if_changed(){
887 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
888 mkdir -p "$(dirname $2)"
889 cp -f "$1" "$2"
890 }
891
892 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
893 # system-dependent things.
894
895 COMPONENT_LIST="
896 bsfs
897 decoders
898 demuxers
899 encoders
900 filters
901 hwaccels
902 indevs
903 muxers
904 outdevs
905 parsers
906 protocols
907 "
908
909 PROGRAM_LIST="
910 avconv
911 avplay
912 avprobe
913 avserver
914 ffmpeg
915 "
916
917 CONFIG_LIST="
918 $COMPONENT_LIST
919 $PROGRAM_LIST
920 aandct
921 ac3dsp
922 avcodec
923 avdevice
924 avfilter
925 avformat
926 avisynth
927 bzlib
928 dct
929 doc
930 dwt
931 dxva2
932 fastdiv
933 fft
934 frei0r
935 gnutls
936 golomb
937 gpl
938 gray
939 h264chroma
940 h264dsp
941 h264pred
942 hardcoded_tables
943 huffman
944 libcdio
945 libdc1394
946 libdirac
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lpc
969 lsp
970 mdct
971 memalign_hack
972 mlib
973 mpegaudiodsp
974 network
975 nonfree
976 openssl
977 pic
978 postproc
979 rdft
980 rtpdec
981 runtime_cpudetect
982 safe_bitstream_reader
983 shared
984 sinewin
985 small
986 sram
987 static
988 swscale
989 swscale_alpha
990 thumb
991 vaapi
992 vda
993 vdpau
994 version3
995 x11grab
996 zlib
997 "
998
999 THREADS_LIST='
1000 pthreads
1001 w32threads
1002 '
1003
1004 ARCH_LIST='
1005 alpha
1006 arm
1007 avr32
1008 avr32_ap
1009 avr32_uc
1010 bfin
1011 ia64
1012 m68k
1013 mips
1014 mips64
1015 parisc
1016 ppc
1017 ppc64
1018 s390
1019 sh4
1020 sparc
1021 sparc64
1022 tomi
1023 x86
1024 x86_32
1025 x86_64
1026 '
1027
1028 ARCH_EXT_LIST='
1029 altivec
1030 amd3dnow
1031 amd3dnowext
1032 armv5te
1033 armv6
1034 armv6t2
1035 armvfp
1036 avx
1037 iwmmxt
1038 mmi
1039 mmx
1040 mmx2
1041 neon
1042 ppc4xx
1043 sse
1044 ssse3
1045 vfpv3
1046 vis
1047 '
1048
1049 HAVE_LIST_PUB='
1050 bigendian
1051 fast_unaligned
1052 '
1053
1054 HAVE_LIST="
1055 $ARCH_EXT_LIST
1056 $HAVE_LIST_PUB
1057 $THREADS_LIST
1058 aligned_stack
1059 alsa_asoundlib_h
1060 altivec_h
1061 arpa_inet_h
1062 asm_mod_y
1063 attribute_may_alias
1064 attribute_packed
1065 closesocket
1066 cmov
1067 dcbzl
1068 dev_bktr_ioctl_bt848_h
1069 dev_bktr_ioctl_meteor_h
1070 dev_ic_bt8xx_h
1071 dev_video_bktr_ioctl_bt848_h
1072 dev_video_meteor_ioctl_meteor_h
1073 dlfcn_h
1074 dlopen
1075 dos_paths
1076 ebp_available
1077 ebx_available
1078 exp2
1079 exp2f
1080 fast_64bit
1081 fast_clz
1082 fast_cmov
1083 fcntl
1084 fork
1085 getaddrinfo
1086 gethrtime
1087 GetProcessAffinityMask
1088 GetProcessMemoryInfo
1089 GetProcessTimes
1090 getrusage
1091 gnu_as
1092 ibm_asm
1093 inet_aton
1094 inline_asm
1095 isatty
1096 ldbrx
1097 libdc1394_1
1098 libdc1394_2
1099 llrint
1100 llrintf
1101 local_aligned_16
1102 local_aligned_8
1103 localtime_r
1104 log2
1105 log2f
1106 loongson
1107 lrint
1108 lrintf
1109 lzo1x_999_compress
1110 machine_ioctl_bt848_h
1111 machine_ioctl_meteor_h
1112 malloc_h
1113 MapViewOfFile
1114 memalign
1115 mkstemp
1116 mmap
1117 poll_h
1118 posix_memalign
1119 round
1120 roundf
1121 sched_getaffinity
1122 sdl
1123 sdl_video_size
1124 setmode
1125 setrlimit
1126 sndio_h
1127 socklen_t
1128 soundcard_h
1129 strerror_r
1130 strptime
1131 strtok_r
1132 struct_addrinfo
1133 struct_ipv6_mreq
1134 struct_rusage_ru_maxrss
1135 struct_sockaddr_in6
1136 struct_sockaddr_sa_len
1137 struct_sockaddr_storage
1138 struct_v4l2_frmivalenum_discrete
1139 symver
1140 symver_asm_label
1141 symver_gnu_asm
1142 sysconf
1143 sysctl
1144 sys_mman_h
1145 sys_param_h
1146 sys_resource_h
1147 sys_select_h
1148 sys_soundcard_h
1149 sys_videoio_h
1150 threads
1151 trunc
1152 truncf
1153 vfp_args
1154 VirtualAlloc
1155 winsock2_h
1156 xform_asm
1157 xmm_clobbers
1158 yasm
1159 "
1160
1161 # options emitted with CONFIG_ prefix but not available on command line
1162 CONFIG_EXTRA="
1163 avutil
1164 gplv3
1165 lgplv3
1166 "
1167
1168 CMDLINE_SELECT="
1169 $ARCH_EXT_LIST
1170 $CONFIG_LIST
1171 $THREADS_LIST
1172 asm
1173 cross_compile
1174 debug
1175 extra_warnings
1176 logging
1177 optimizations
1178 symver
1179 yasm
1180 "
1181
1182 PATHS_LIST='
1183 bindir
1184 datadir
1185 incdir
1186 libdir
1187 mandir
1188 prefix
1189 shlibdir
1190 '
1191
1192 CMDLINE_SET="
1193 $PATHS_LIST
1194 ar
1195 arch
1196 as
1197 build_suffix
1198 cc
1199 cpu
1200 cross_prefix
1201 dep_cc
1202 extra_version
1203 host_cc
1204 host_cflags
1205 host_ldflags
1206 host_libs
1207 host_os
1208 ld
1209 logfile
1210 malloc_prefix
1211 nm
1212 optflags
1213 pkg_config
1214 samples
1215 sysinclude
1216 sysroot
1217 target_exec
1218 target_os
1219 target_path
1220 "
1221
1222 CMDLINE_APPEND="
1223 extra_cflags
1224 "
1225
1226 # code dependency declarations
1227
1228 # architecture extensions
1229
1230 armv5te_deps="arm"
1231 armv6_deps="arm"
1232 armv6t2_deps="arm"
1233 armvfp_deps="arm"
1234 iwmmxt_deps="arm"
1235 neon_deps="arm"
1236 vfpv3_deps="armvfp"
1237
1238 mmi_deps="mips"
1239
1240 altivec_deps="ppc"
1241 ppc4xx_deps="ppc"
1242
1243 vis_deps="sparc"
1244
1245 x86_64_suggest="cmov fast_cmov"
1246 amd3dnow_deps="mmx"
1247 amd3dnowext_deps="amd3dnow"
1248 mmx_deps="x86"
1249 mmx2_deps="mmx"
1250 sse_deps="mmx"
1251 ssse3_deps="sse"
1252 avx_deps="ssse3"
1253
1254 aligned_stack_if_any="ppc x86"
1255 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1256 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1257 fast_unaligned_if_any="armv6 ppc x86"
1258
1259 inline_asm_deps="!tms470"
1260 need_memalign="altivec neon sse"
1261
1262 symver_if_any="symver_asm_label symver_gnu_asm"
1263
1264 # subsystems
1265 dct_select="rdft"
1266 mdct_select="fft"
1267 rdft_select="fft"
1268 mpegaudiodsp_select="dct"
1269
1270 # decoders / encoders / hardware accelerators
1271 aac_decoder_select="mdct sinewin"
1272 aac_encoder_select="mdct sinewin"
1273 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1274 ac3_decoder_select="mdct ac3dsp ac3_parser"
1275 ac3_encoder_select="mdct ac3dsp"
1276 ac3_fixed_encoder_select="mdct ac3dsp"
1277 alac_encoder_select="lpc"
1278 amrnb_decoder_select="lsp"
1279 amrwb_decoder_select="lsp"
1280 atrac1_decoder_select="mdct sinewin"
1281 atrac3_decoder_select="mdct"
1282 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1283 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1284 cavs_decoder_select="golomb"
1285 cook_decoder_select="mdct sinewin"
1286 cscd_decoder_suggest="zlib"
1287 dca_decoder_select="mdct"
1288 dnxhd_encoder_select="aandct"
1289 dxa_decoder_select="zlib"
1290 eac3_decoder_select="ac3_decoder"
1291 eac3_encoder_select="mdct ac3dsp"
1292 eamad_decoder_select="aandct"
1293 eatgq_decoder_select="aandct"
1294 eatqi_decoder_select="aandct"
1295 ffv1_decoder_select="golomb"
1296 flac_decoder_select="golomb"
1297 flac_encoder_select="golomb lpc"
1298 flashsv_decoder_select="zlib"
1299 flashsv_encoder_select="zlib"
1300 flashsv2_decoder_select="zlib"
1301 flv_decoder_select="h263_decoder"
1302 flv_encoder_select="h263_encoder"
1303 fraps_decoder_select="huffman"
1304 h261_encoder_select="aandct"
1305 h263_decoder_select="h263_parser"
1306 h263_encoder_select="aandct"
1307 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1308 h263i_decoder_select="h263_decoder"
1309 h263p_encoder_select="h263_encoder"
1310 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1311 h264_dxva2_hwaccel_deps="dxva2api_h"
1312 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1313 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1314 h264_vda_hwaccel_select="vda h264_decoder"
1315 h264_vdpau_decoder_select="vdpau h264_decoder"
1316 imc_decoder_select="fft mdct sinewin"
1317 jpegls_decoder_select="golomb"
1318 jpegls_encoder_select="golomb"
1319 ljpeg_encoder_select="aandct"
1320 loco_decoder_select="golomb"
1321 mjpeg_encoder_select="aandct"
1322 mlp_decoder_select="mlp_parser"
1323 mp1_decoder_select="mpegaudiodsp"
1324 mp1float_decoder_select="mpegaudiodsp"
1325 mp2_decoder_select="mpegaudiodsp"
1326 mp2float_decoder_select="mpegaudiodsp"
1327 mp3_decoder_select="mpegaudiodsp"
1328 mp3adu_decoder_select="mpegaudiodsp"
1329 mp3adufloat_decoder_select="mpegaudiodsp"
1330 mp3float_decoder_select="mpegaudiodsp"
1331 mp3on4_decoder_select="mpegaudiodsp"
1332 mp3on4float_decoder_select="mpegaudiodsp"
1333 mpc7_decoder_select="mpegaudiodsp"
1334 mpc8_decoder_select="mpegaudiodsp"
1335 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1336 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1337 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1338 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1339 mpeg1video_encoder_select="aandct"
1340 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1341 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1342 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1343 mpeg2video_encoder_select="aandct"
1344 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1345 mpeg4_encoder_select="h263_encoder"
1346 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1347 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1348 msmpeg4v1_decoder_select="h263_decoder"
1349 msmpeg4v1_encoder_select="h263_encoder"
1350 msmpeg4v2_decoder_select="h263_decoder"
1351 msmpeg4v2_encoder_select="h263_encoder"
1352 msmpeg4v3_decoder_select="h263_decoder"
1353 msmpeg4v3_encoder_select="h263_encoder"
1354 nellymoser_decoder_select="mdct sinewin"
1355 nellymoser_encoder_select="mdct sinewin"
1356 png_decoder_select="zlib"
1357 png_encoder_select="zlib"
1358 qcelp_decoder_select="lsp"
1359 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1360 ra_144_encoder_select="lpc"
1361 rv10_decoder_select="h263_decoder"
1362 rv10_encoder_select="h263_encoder"
1363 rv20_decoder_select="h263_decoder"
1364 rv20_encoder_select="h263_encoder"
1365 rv30_decoder_select="golomb h264chroma h264pred"
1366 rv40_decoder_select="golomb h264chroma h264pred"
1367 shorten_decoder_select="golomb"
1368 sipr_decoder_select="lsp"
1369 snow_decoder_select="dwt"
1370 snow_encoder_select="aandct dwt"
1371 svq1_encoder_select="aandct"
1372 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1373 svq3_decoder_suggest="zlib"
1374 theora_decoder_select="vp3_decoder"
1375 tiff_decoder_suggest="zlib"
1376 tiff_encoder_suggest="zlib"
1377 truehd_decoder_select="mlp_decoder"
1378 tscc_decoder_select="zlib"
1379 twinvq_decoder_select="mdct lsp sinewin"
1380 vc1_decoder_select="h263_decoder h264chroma"
1381 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1382 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1383 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1384 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1385 vc1image_decoder_select="vc1_decoder"
1386 vorbis_decoder_select="mdct"
1387 vorbis_encoder_select="mdct"
1388 vp6_decoder_select="huffman"
1389 vp6a_decoder_select="vp6_decoder"
1390 vp6f_decoder_select="vp6_decoder"
1391 vp8_decoder_select="h264pred"
1392 wmapro_decoder_select="mdct sinewin"
1393 wmav1_decoder_select="mdct sinewin"
1394 wmav1_encoder_select="mdct sinewin"
1395 wmav2_decoder_select="mdct sinewin"
1396 wmav2_encoder_select="mdct sinewin"
1397 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1398 wmv1_decoder_select="h263_decoder"
1399 wmv1_encoder_select="h263_encoder"
1400 wmv2_decoder_select="h263_decoder"
1401 wmv2_encoder_select="h263_encoder"
1402 wmv3_decoder_select="vc1_decoder"
1403 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1404 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1405 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1406 wmv3image_decoder_select="wmv3_decoder"
1407 zlib_decoder_select="zlib"
1408 zlib_encoder_select="zlib"
1409 zmbv_decoder_select="zlib"
1410 zmbv_encoder_select="zlib"
1411
1412 vaapi_deps="va_va_h"
1413 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1414 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1415
1416 # parsers
1417 h264_parser_select="golomb h264chroma h264dsp h264pred"
1418
1419 # external libraries
1420 libdirac_decoder_deps="libdirac !libschroedinger"
1421 libdirac_encoder_deps="libdirac"
1422 libfaac_encoder_deps="libfaac"
1423 libgsm_decoder_deps="libgsm"
1424 libgsm_encoder_deps="libgsm"
1425 libgsm_ms_decoder_deps="libgsm"
1426 libgsm_ms_encoder_deps="libgsm"
1427 libmp3lame_encoder_deps="libmp3lame"
1428 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1429 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1430 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1431 libopenjpeg_decoder_deps="libopenjpeg"
1432 libschroedinger_decoder_deps="libschroedinger"
1433 libschroedinger_encoder_deps="libschroedinger"
1434 libspeex_decoder_deps="libspeex"
1435 libspeex_encoder_deps="libspeex"
1436 libtheora_encoder_deps="libtheora"
1437 libvo_aacenc_encoder_deps="libvo_aacenc"
1438 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1439 libvorbis_encoder_deps="libvorbis"
1440 libvpx_decoder_deps="libvpx"
1441 libvpx_encoder_deps="libvpx"
1442 libx264_encoder_deps="libx264"
1443 libxavs_encoder_deps="libxavs"
1444 libxvid_encoder_deps="libxvid"
1445
1446 # demuxers / muxers
1447 ac3_demuxer_select="ac3_parser"
1448 asf_stream_muxer_select="asf_muxer"
1449 avisynth_demuxer_deps="avisynth"
1450 dirac_demuxer_select="dirac_parser"
1451 eac3_demuxer_select="ac3_parser"
1452 flac_demuxer_select="flac_parser"
1453 ipod_muxer_select="mov_muxer"
1454 libnut_demuxer_deps="libnut"
1455 libnut_muxer_deps="libnut"
1456 matroska_audio_muxer_select="matroska_muxer"
1457 matroska_demuxer_suggest="zlib bzlib"
1458 mov_demuxer_suggest="zlib"
1459 mp3_demuxer_select="mpegaudio_parser"
1460 mp4_muxer_select="mov_muxer"
1461 mpegtsraw_demuxer_select="mpegts_demuxer"
1462 mxf_d10_muxer_select="mxf_muxer"
1463 ogg_demuxer_select="golomb"
1464 psp_muxer_select="mov_muxer"
1465 rtp_demuxer_select="sdp_demuxer"
1466 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1467 rtsp_demuxer_select="http_protocol rtpdec"
1468 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1469 sap_demuxer_select="sdp_demuxer"
1470 sap_muxer_select="rtp_muxer rtp_protocol"
1471 sdp_demuxer_select="rtpdec"
1472 spdif_muxer_select="aac_parser"
1473 tg2_muxer_select="mov_muxer"
1474 tgp_muxer_select="mov_muxer"
1475 w64_demuxer_deps="wav_demuxer"
1476
1477 # indevs / outdevs
1478 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1479 alsa_outdev_deps="alsa_asoundlib_h"
1480 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1481 dv1394_indev_deps="dv1394 dv_demuxer"
1482 fbdev_indev_deps="linux_fb_h"
1483 jack_indev_deps="jack_jack_h"
1484 libcdio_indev_deps="libcdio"
1485 libdc1394_indev_deps="libdc1394"
1486 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1487 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1488 pulse_indev_deps="libpulse"
1489 sndio_indev_deps="sndio_h"
1490 sndio_outdev_deps="sndio_h"
1491 v4l_indev_deps="linux_videodev_h"
1492 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1493 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1494 vfwcap_indev_extralibs="-lavicap32"
1495 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1496 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1497
1498 # protocols
1499 gopher_protocol_deps="network"
1500 httpproxy_protocol_deps="network"
1501 httpproxy_protocol_select="tcp_protocol"
1502 http_protocol_deps="network"
1503 http_protocol_select="tcp_protocol"
1504 https_protocol_select="tls_protocol"
1505 mmsh_protocol_select="http_protocol"
1506 mmst_protocol_deps="network"
1507 rtmp_protocol_select="tcp_protocol"
1508 rtp_protocol_select="udp_protocol"
1509 tcp_protocol_deps="network"
1510 tls_protocol_deps_any="openssl gnutls"
1511 tls_protocol_select="tcp_protocol"
1512 udp_protocol_deps="network"
1513
1514 # filters
1515 blackframe_filter_deps="gpl"
1516 boxblur_filter_deps="gpl"
1517 cropdetect_filter_deps="gpl"
1518 delogo_filter_deps="gpl"
1519 drawtext_filter_deps="libfreetype"
1520 frei0r_filter_deps="frei0r dlopen strtok_r"
1521 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1522 hqdn3d_filter_deps="gpl"
1523 ocv_filter_deps="libopencv"
1524 scale_filter_deps="swscale"
1525 yadif_filter_deps="gpl"
1526
1527 # libraries
1528 avdevice_deps="avcodec avformat"
1529 avformat_deps="avcodec"
1530 postproc_deps="gpl"
1531
1532 # programs
1533 avconv_deps="avcodec avformat swscale"
1534 avplay_deps="avcodec avformat swscale sdl"
1535 avplay_select="rdft"
1536 avprobe_deps="avcodec avformat"
1537 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1538 avserver_extralibs='$ldl'
1539 ffmpeg_deps="avcodec avformat swscale"
1540
1541 doc_deps="texi2html"
1542
1543 # tests
1544
1545 test_deps(){
1546 suf1=$1
1547 suf2=$2
1548 shift 2
1549 for v; do
1550 dep=${v%=*}
1551 tests=${v#*=}
1552 for name in ${tests}; do
1553 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1554 done
1555 done
1556 }
1557
1558 mxf_d10_test_deps="avfilter"
1559 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1560
1561 test_deps _encoder _decoder \
1562 adpcm_ima_qt \
1563 adpcm_ima_wav \
1564 adpcm_ms \
1565 adpcm_swf \
1566 adpcm_yamaha=adpcm_yam \
1567 alac \
1568 asv1 \
1569 asv2 \
1570 bmp \
1571 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1572 dvvideo="dv dv_411 dv50" \
1573 ffv1 \
1574 flac \
1575 flashsv \
1576 flv \
1577 adpcm_g726=g726 \
1578 gif \
1579 h261 \
1580 h263="h263 h263p" \
1581 huffyuv \
1582 jpegls \
1583 mjpeg="jpg mjpeg ljpeg" \
1584 mp2 \
1585 mpeg1video="mpeg mpeg1b" \
1586 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1587 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1588 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1589 mpeg4="mpeg4thread error rc" \
1590 msmpeg4v3=msmpeg4 \
1591 msmpeg4v2 \
1592 pbm=pbmpipe \
1593 pcx \
1594 pgm="pgm pgmpipe" \
1595 png \
1596 ppm="ppm ppmpipe" \
1597 rawvideo="rgb yuv" \
1598 roq \
1599 rv10 \
1600 rv20 \
1601 sgi \
1602 snow="snow snowll" \
1603 svq1 \
1604 targa=tga \
1605 tiff \
1606 wmav1 \
1607 wmav2 \
1608 wmv1 \
1609 wmv2 \
1610
1611 test_deps _muxer _demuxer \
1612 aiff \
1613 pcm_alaw=alaw \
1614 asf \
1615 au \
1616 avi \
1617 dv=dv_fmt \
1618 ffm \
1619 flv=flv_fmt \
1620 gxf \
1621 matroska=mkv \
1622 mmf \
1623 mov \
1624 pcm_mulaw=mulaw \
1625 mxf="mxf mxf_d10" \
1626 nut \
1627 ogg \
1628 rawvideo=pixfmt \
1629 rm \
1630 swf \
1631 mpegts=ts \
1632 voc \
1633 wav \
1634 yuv4mpegpipe=yuv4mpeg \
1635
1636 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1637 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1638
1639 # default parameters
1640
1641 logfile="config.log"
1642
1643 # installation paths
1644 prefix_default="/usr/local"
1645 bindir_default='${prefix}/bin'
1646 datadir_default='${prefix}/share/avconv'
1647 incdir_default='${prefix}/include'
1648 libdir_default='${prefix}/lib'
1649 mandir_default='${prefix}/share/man'
1650 shlibdir_default="$libdir_default"
1651
1652 # toolchain
1653 ar_default="ar"
1654 cc_default="gcc"
1655 cc_version=\"unknown\"
1656 host_cc_default="gcc"
1657 ln_s="ln -sf"
1658 nm_default="nm"
1659 objformat="elf"
1660 pkg_config_default=pkg-config
1661 ranlib="ranlib"
1662 yasmexe="yasm"
1663
1664 nm_opts='-g'
1665 nogas=":"
1666
1667 # machine
1668 arch_default=$(uname -m)
1669 cpu="generic"
1670
1671 # OS
1672 target_os_default=$(tolower $(uname -s))
1673 host_os=$target_os_default
1674
1675 # configurable options
1676 enable $PROGRAM_LIST
1677
1678 enable avcodec
1679 enable avdevice
1680 enable avfilter
1681 enable avformat
1682 enable avutil
1683 enable swscale
1684
1685 enable asm
1686 enable debug
1687 enable doc
1688 enable fastdiv
1689 enable network
1690 enable optimizations
1691 enable safe_bitstream_reader
1692 enable static
1693 enable swscale_alpha
1694
1695 # build settings
1696 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1697 AVSERVERLDFLAGS=-Wl,-E
1698 LIBPREF="lib"
1699 LIBSUF=".a"
1700 FULLNAME='$(NAME)$(BUILDSUF)'
1701 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1702 SLIBPREF="lib"
1703 SLIBSUF=".so"
1704 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1705 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1706 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1707 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1708 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1709 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1710
1711 AS_O='-o $@'
1712 CC_O='-o $@'
1713
1714 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1715 host_libs='-lm'
1716
1717 target_path='$(CURDIR)'
1718
1719 # since the object filename is not given with the -MM flag, the compiler
1720 # is only able to print the basename, and we must add the path ourselves
1721 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1722 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1723
1724 # find source path
1725 if test -f configure; then
1726 source_path=.
1727 else
1728 source_path=$(cd $(dirname "$0"); pwd)
1729 echo "$source_path" | grep -q '[[:blank:]]' &&
1730 die "Out of tree builds are impossible with whitespace in source path."
1731 test -e "$source_path/config.h" &&
1732 die "Out of tree builds are impossible with config.h in source dir."
1733 fi
1734
1735 for v in "$@"; do
1736 r=${v#*=}
1737 l=${v%"$r"}
1738 r=$(sh_quote "$r")
1739 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1740 done
1741
1742 find_things(){
1743 thing=$1
1744 pattern=$2
1745 file=$source_path/$3
1746 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1747 }
1748
1749 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1750 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1751 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1752 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1753 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1754 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1755 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1756 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1757 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1758 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1759 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1760
1761 ALL_COMPONENTS="
1762 $BSF_LIST
1763 $DECODER_LIST
1764 $DEMUXER_LIST
1765 $ENCODER_LIST
1766 $FILTER_LIST
1767 $HWACCEL_LIST
1768 $INDEV_LIST
1769 $MUXER_LIST
1770 $OUTDEV_LIST
1771 $PARSER_LIST
1772 $PROTOCOL_LIST
1773 "
1774
1775 find_tests(){
1776 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1777 }
1778
1779 ACODEC_TESTS=$(find_tests acodec)
1780 VCODEC_TESTS=$(find_tests vsynth1)
1781 LAVF_TESTS=$(find_tests lavf)
1782 LAVFI_TESTS=$(find_tests lavfi)
1783 SEEK_TESTS=$(find_tests seek seek_)
1784
1785 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1786
1787 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1788
1789 for n in $COMPONENT_LIST; do
1790 v=$(toupper ${n%s})_LIST
1791 eval enable \$$v
1792 eval ${n}_if_any="\$$v"
1793 done
1794
1795 enable $ARCH_EXT_LIST $ALL_TESTS
1796
1797 die_unknown(){
1798 echo "Unknown option \"$1\"."
1799 echo "See $0 --help for available options."
1800 exit 1
1801 }
1802
1803 show_list() {
1804 suffix=_$1
1805 shift
1806 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1807 exit 0
1808 }
1809
1810 for opt do
1811 optval="${opt#*=}"
1812 case "$opt" in
1813 --extra-ldflags=*) add_ldflags $optval
1814 ;;
1815 --extra-libs=*) add_extralibs $optval
1816 ;;
1817 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1818 ;;
1819 --enable-debug=*) debuglevel="$optval"
1820 ;;
1821 --disable-everything)
1822 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1823 ;;
1824 --enable-*=*|--disable-*=*)
1825 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1826 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1827 eval list=\$$(toupper $thing)_LIST
1828 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1829 $action $(filter "$name" $list)
1830 ;;
1831 --enable-?*|--disable-?*)
1832 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1833 if is_in $option $COMPONENT_LIST; then
1834 test $action = disable && action=unset
1835 eval $action \$$(toupper ${option%s})_LIST
1836 elif is_in $option $CMDLINE_SELECT; then
1837 $action $option
1838 else
1839 die_unknown $opt
1840 fi
1841 ;;
1842 --list-*)
1843 NAME="${opt#--list-}"
1844 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1845 NAME=${NAME%s}
1846 eval show_list $NAME \$$(toupper $NAME)_LIST
1847 ;;
1848 --help|-h) show_help
1849 ;;
1850 *)
1851 optname="${opt%%=*}"
1852 optname="${optname#--}"
1853 optname=$(echo "$optname" | sed 's/-/_/g')
1854 if is_in $optname $CMDLINE_SET; then
1855 eval $optname='$optval'
1856 elif is_in $optname $CMDLINE_APPEND; then
1857 append $optname "$optval"
1858 else
1859 die_unknown $opt
1860 fi
1861 ;;
1862 esac
1863 done
1864
1865 disabled logging && logfile=/dev/null
1866
1867 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1868 set >> $logfile
1869
1870 test -n "$cross_prefix" && enable cross_compile
1871
1872 if enabled cross_compile; then
1873 test -n "$arch" && test -n "$target_os" ||
1874 die "Must specify target arch and OS when cross-compiling"
1875 fi
1876
1877 set_default arch target_os
1878
1879 ar_default="${cross_prefix}${ar_default}"
1880 cc_default="${cross_prefix}${cc_default}"
1881 nm_default="${cross_prefix}${nm_default}"
1882 pkg_config_default="${cross_prefix}${pkg_config_default}"
1883 ranlib="${cross_prefix}${ranlib}"
1884
1885 sysinclude_default="${sysroot}/usr/include"
1886
1887 set_default cc nm pkg_config sysinclude
1888 enabled cross_compile || host_cc_default=$cc
1889 set_default host_cc
1890
1891 if ! $pkg_config --version >/dev/null 2>&1; then
1892 warn "$pkg_config not found, library detection may fail."
1893 pkg_config=false
1894 fi
1895
1896 exesuf() {
1897 case $1 in
1898 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1899 esac
1900 }
1901
1902 EXESUF=$(exesuf $target_os)
1903 HOSTEXESUF=$(exesuf $host_os)
1904
1905 # set temporary file name
1906 : ${TMPDIR:=$TEMPDIR}
1907 : ${TMPDIR:=$TMP}
1908 : ${TMPDIR:=/tmp}
1909
1910 if ! check_cmd mktemp -u XXXXXX; then
1911 # simple replacement for missing mktemp
1912 # NOT SAFE FOR GENERAL USE
1913 mktemp(){
1914 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1915 }
1916 fi
1917
1918 tmpfile(){
1919 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1920 (set -C; exec > $tmp) 2>/dev/null ||
1921 die "Unable to create temporary file in $TMPDIR."
1922 append TMPFILES $tmp
1923 eval $1=$tmp
1924 }
1925
1926 trap 'rm -f -- $TMPFILES' EXIT
1927
1928 tmpfile TMPASM .asm
1929 tmpfile TMPC .c
1930 tmpfile TMPE $EXESUF
1931 tmpfile TMPH .h
1932 tmpfile TMPO .o
1933 tmpfile TMPS .S
1934 tmpfile TMPSH .sh
1935 tmpfile TMPV .ver
1936
1937 unset -f mktemp
1938
1939 chmod +x $TMPE
1940
1941 # make sure we can execute files in $TMPDIR
1942 cat > $TMPSH 2>> $logfile <<EOF
1943 #! /bin/sh
1944 EOF
1945 chmod +x $TMPSH >> $logfile 2>&1
1946 if ! $TMPSH >> $logfile 2>&1; then
1947 cat <<EOF
1948 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1949 variable to another directory and make sure that it is not mounted noexec.
1950 EOF
1951 die "Sanity test failed."
1952 fi
1953
1954 filter_asflags=echo
1955 filter_cflags=echo
1956 filter_cppflags=echo
1957
1958 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1959 cc_type=llvm_gcc
1960 cc_version=__VERSION__
1961 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1962 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1963 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1964 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1965 speed_cflags='-O3'
1966 size_cflags='-Os'
1967 elif $cc -v 2>&1 | grep -qi ^gcc; then
1968 cc_type=gcc
1969 cc_version=__VERSION__
1970 gcc_version=$($cc --version | head -n1)
1971 gcc_basever=$($cc -dumpversion)
1972 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1973 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1974 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1975 if ! $cc -dumpversion | grep -q '^2\.'; then
1976 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1977 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1978 fi
1979 speed_cflags='-O3'
1980 size_cflags='-Os'
1981 elif $cc --version 2>/dev/null | grep -q Intel; then
1982 cc_type=icc
1983 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1984 cc_ident=$($cc --version | head -n1)
1985 icc_version=$($cc -dumpversion)
1986 CC_DEPFLAGS='-MMD'
1987 AS_DEPFLAGS='-MMD'
1988 speed_cflags='-O3'
1989 size_cflags='-Os'
1990 noopt_cflags='-O1'
1991 elif $cc -v 2>&1 | grep -q xlc; then
1992 cc_type=xlc
1993 cc_version="AV_STRINGIFY(__IBMC__)"
1994 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1995 speed_cflags='-O5'
1996 size_cflags='-O5 -qcompact'
1997 elif $cc -V 2>/dev/null | grep -q Compaq; then
1998 cc_type=ccc
1999 cc_version="AV_STRINGIFY(__DECC_VER)"
2000 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2001 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2002 debuglevel=3
2003 add_ldflags -Wl,-z,now # calls to libots crash without this
2004 speed_cflags='-fast'
2005 size_cflags='-O1'
2006 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2007 test -d "$sysroot" || die "No valid sysroot specified."
2008 cc_type=armcc
2009 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2010 cc_ident=$($cc --vsn | head -n1)
2011 armcc_conf="$PWD/armcc.conf"
2012 $cc --arm_linux_configure \
2013 --arm_linux_config_file="$armcc_conf" \
2014 --configure_sysroot="$sysroot" \
2015 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2016 die "Error creating armcc configuration file."
2017 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2018 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2019 as_default="${cross_prefix}gcc"
2020 CC_DEPFLAGS='-MMD'
2021 AS_DEPFLAGS='-MMD'
2022 speed_cflags='-O3'
2023 size_cflags='-Os'
2024 filter_asflags="filter_out -W${armcc_opt}*"
2025 elif $cc -version 2>/dev/null | grep -q TMS470; then
2026 cc_type=tms470
2027 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2028 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2029 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2030 CC_O='-fr=$(@D)'
2031 as_default="${cross_prefix}gcc"
2032 ld_default="${cross_prefix}gcc"
2033 TMPO=$(basename $TMPC .c).o
2034 append TMPFILES $TMPO
2035 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2036 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2037 AS_DEPFLAGS='-MMD'
2038 speed_cflags='-O3 -mf=5'
2039 size_cflags='-O3 -mf=2'
2040 filter_cflags=tms470_flags
2041 tms470_flags(){
2042 for flag; do
2043 case $flag in
2044 -march=*|-mcpu=*)
2045 case "${flag#*=}" in
2046 armv7-a|cortex-a*) echo -mv=7a8 ;;
2047 armv7-r|cortex-r*) echo -mv=7r4 ;;
2048 armv7-m|cortex-m*) echo -mv=7m3 ;;
2049 armv6*|arm11*) echo -mv=6 ;;
2050 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2051 echo -mv=5e ;;
2052 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2053 esac
2054 ;;
2055 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2056 -mfpu=vfp) echo --float_support=vfpv2 ;;
2057 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2058 -msoft-float) echo --float_support=vfplib ;;
2059 -O[0-3]|-mf=*) echo $flag ;;
2060 -g) echo -g -mn ;;
2061 -pds=*) echo $flag ;;
2062 esac
2063 done
2064 }
2065 elif $cc -v 2>&1 | grep -q clang; then
2066 cc_type=clang
2067 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2068 cc_version=__clang_version__ || cc_version=__VERSION__
2069 cc_ident=$($cc --version | head -n1)
2070 CC_DEPFLAGS='-MMD'
2071 AS_DEPFLAGS='-MMD'
2072 speed_cflags='-O3'
2073 size_cflags='-Os'
2074 elif $cc -V 2>&1 | grep -q Sun; then
2075 cc_type=suncc
2076 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2077 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2078 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2079 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2080 add_ldflags -xc99
2081 speed_cflags='-O5'
2082 size_cflags='-O5 -xspace'
2083 filter_cflags=suncc_flags
2084 suncc_flags(){
2085 for flag; do
2086 case $flag in
2087 -march=*|-mcpu=*)
2088 case "${flag#*=}" in
2089 native) echo -xtarget=native ;;
2090 v9|niagara) echo -xarch=sparc ;;
2091 ultrasparc) echo -xarch=sparcvis ;;
2092 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2093 i586|pentium) echo -xchip=pentium ;;
2094 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2095 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2096 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2097 pentium4*) echo -xtarget=pentium4 ;;
2098 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2099 *-sse3) echo -xarch=sse3 ;;
2100 core2) echo -xarch=ssse3 -xchip=core2 ;;
2101 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2102 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2103 k8|opteron|athlon64|athlon-fx)
2104 echo -xarch=sse2a ;;
2105 athlon*) echo -xarch=pentium_proa ;;
2106 esac
2107 ;;
2108 -std=c99) echo -xc99 ;;
2109 -fomit-frame-pointer) echo -xregs=frameptr ;;
2110 -fPIC) echo -KPIC -xcode=pic32 ;;
2111 -W*,*) echo $flag ;;
2112 -f*-*|-W*) ;;
2113 *) echo $flag ;;
2114 esac
2115 done
2116 }
2117 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2118 cc_type=pathscale
2119 cc_version=__PATHSCALE__
2120 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2121 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2122 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2123 speed_cflags='-O2'
2124 size_cflags='-Os'
2125 filter_cflags='filter_out -Wdisabled-optimization'
2126 elif $cc -v 2>&1 | grep -q Open64; then
2127 cc_type=open64
2128 cc_version=__OPEN64__
2129 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2130 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2131 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2132 speed_cflags='-O2'
2133 size_cflags='-Os'
2134 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2135 fi
2136
2137 test -n "$cc_type" && enable $cc_type ||
2138 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2139
2140 : ${as_default:=$cc}
2141 : ${dep_cc_default:=$cc}
2142 : ${ld_default:=$cc}
2143 set_default ar as dep_cc ld
2144
2145 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2146 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2147
2148 add_cflags $extra_cflags
2149 add_asflags $extra_cflags
2150
2151 if test -n "$sysroot"; then
2152 case "$cc_type" in
2153 gcc|llvm_gcc|clang)
2154 add_cppflags --sysroot="$sysroot"
2155 add_ldflags --sysroot="$sysroot"
2156 ;;
2157 tms470)
2158 add_cppflags -I"$sysinclude"
2159 add_ldflags --sysroot="$sysroot"
2160 ;;
2161 esac
2162 fi
2163
2164 if test "$cpu" = host; then
2165 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2166
2167 case "$cc_type" in
2168 gcc|llvm_gcc)
2169 check_native(){
2170 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2171 sed -n "/cc1.*$1=/{
2172 s/.*$1=\\([^ ]*\\).*/\\1/
2173 p
2174 q
2175 }" $TMPE
2176 }
2177 cpu=$(check_native -march || check_native -mcpu)
2178 ;;
2179 esac
2180
2181 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2182 fi
2183
2184 # Deal with common $arch aliases
2185 case "$arch" in
2186 arm*)
2187 arch="arm"
2188 ;;
2189 mips|mipsel|IP*)
2190 arch="mips"
2191 ;;
2192 mips64*)
2193 arch="mips"
2194 subarch="mips64"
2195 ;;
2196 parisc|hppa)
2197 arch="parisc"
2198 ;;
2199 parisc64|hppa64)
2200 arch="parisc"
2201 subarch="parisc64"
2202 ;;
2203 "Power Macintosh"|ppc|powerpc)
2204 arch="ppc"
2205 ;;
2206 ppc64|powerpc64)
2207 arch="ppc"
2208 subarch="ppc64"
2209 ;;
2210 s390|s390x)
2211 arch="s390"
2212 ;;
2213 sh4|sh)
2214 arch="sh4"
2215 ;;
2216 sun4u|sparc64)
2217 arch="sparc"
2218 subarch="sparc64"
2219 ;;
2220 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2221 arch="x86"
2222 ;;
2223 esac
2224
2225 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2226 enable $arch
2227
2228 # Add processor-specific flags
2229 if test "$cpu" = generic; then
2230 : do nothing
2231 elif enabled ppc; then
2232
2233 case $(tolower $cpu) in
2234 601|ppc601|powerpc601)
2235 cpuflags="-mcpu=601"
2236 disable altivec
2237 ;;
2238 603*|ppc603*|powerpc603*)
2239 cpuflags="-mcpu=603"
2240 disable altivec
2241 ;;
2242 604*|ppc604*|powerpc604*)
2243 cpuflags="-mcpu=604"
2244 disable altivec
2245 ;;
2246 g3|75*|ppc75*|powerpc75*)
2247 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2248 disable altivec
2249 ;;
2250 g4|745*|ppc745*|powerpc745*)
2251 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2252 ;;
2253 74*|ppc74*|powerpc74*)
2254 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2255 ;;
2256 g5|970|ppc970|powerpc970|power4*)
2257 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2258 ;;
2259 cell)
2260 cpuflags="-mcpu=cell"
2261 enable ldbrx
2262 ;;
2263 e500v2)
2264 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2265 disable altivec
2266 ;;
2267 e500)
2268 cpuflags="-mcpu=8540 -mhard-float"
2269 disable altivec
2270 ;;
2271 esac
2272
2273 elif enabled x86; then
2274
2275 case $cpu in
2276 i[345]86|pentium)
2277 cpuflags="-march=$cpu"
2278 disable mmx
2279 ;;
2280 # targets that do NOT support conditional mov (cmov)
2281 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2282 cpuflags="-march=$cpu"
2283 disable cmov
2284 ;;
2285 # targets that do support conditional mov (cmov)
2286 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2287 cpuflags="-march=$cpu"
2288 enable cmov
2289 enable fast_cmov
2290 ;;
2291 # targets that do support conditional mov but on which it's slow
2292 pentium4|pentium4m|prescott|nocona)
2293 cpuflags="-march=$cpu"
2294 enable cmov
2295 disable fast_cmov
2296 ;;
2297 esac
2298
2299 elif enabled sparc; then
2300
2301 case $cpu in
2302 niagara)
2303 cpuflags="-mcpu=$cpu"
2304 disable vis
2305 ;;
2306 sparc64)
2307 cpuflags="-mcpu=v9"
2308 ;;
2309 esac
2310
2311 elif enabled arm; then
2312
2313 case $cpu in
2314 armv*)
2315 cpuflags="-march=$cpu"
2316 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2317 ;;
2318 *)
2319 cpuflags="-mcpu=$cpu"
2320 case $cpu in
2321 cortex-a*) subarch=armv7a ;;
2322 cortex-r*) subarch=armv7r ;;
2323 cortex-m*) enable thumb; subarch=armv7m ;;
2324 arm11*) subarch=armv6 ;;
2325 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2326 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2327 esac
2328 ;;
2329 esac
2330
2331 elif enabled alpha; then
2332
2333 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2334
2335 elif enabled bfin; then
2336
2337 cpuflags="-mcpu=$cpu"
2338
2339 elif enabled mips; then
2340
2341 cpuflags="-march=$cpu"
2342
2343 elif enabled avr32; then
2344
2345 case $cpu in
2346 ap7[02]0[0-2])
2347 subarch="avr32_ap"
2348 cpuflags="-mpart=$cpu"
2349 ;;
2350 ap)
2351 subarch="avr32_ap"
2352 cpuflags="-march=$cpu"
2353 ;;
2354 uc3[ab]*)
2355 subarch="avr32_uc"
2356 cpuflags="-mcpu=$cpu"
2357 ;;
2358 uc)
2359 subarch="avr32_uc"
2360 cpuflags="-march=$cpu"
2361 ;;
2362 esac
2363
2364 fi
2365
2366 add_cflags $cpuflags
2367 add_asflags $cpuflags
2368
2369 # compiler sanity check
2370 check_exec <<EOF
2371 int main(void){ return 0; }
2372 EOF
2373 if test "$?" != 0; then
2374 echo "$cc is unable to create an executable file."
2375 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2376 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2377 echo "Only do this if you know what cross compiling means."
2378 fi
2379 die "C compiler test failed."
2380 fi
2381
2382 add_cppflags -D_ISOC99_SOURCE
2383 check_cflags -std=c99
2384 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2385 #include <stdlib.h>
2386 EOF
2387 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2388 #include <stdlib.h>
2389 EOF
2390
2391 check_host_cflags -std=c99
2392 check_host_cflags -Wall
2393
2394 case "$arch" in
2395 alpha|ia64|mips|parisc|sparc)
2396 spic=$shared
2397 ;;
2398 x86)
2399 subarch="x86_32"
2400 check_cc <<EOF && subarch="x86_64"
2401 int test[(int)sizeof(char*) - 7];
2402 EOF
2403 if test "$subarch" = "x86_64"; then
2404 spic=$shared
2405 fi
2406 ;;
2407 esac
2408
2409 enable $subarch
2410 enabled spic && enable pic
2411
2412 # OS specific
2413 case $target_os in
2414 haiku)
2415 prefix_default="/boot/common"
2416 network_extralibs="-lnetwork"
2417 host_libs=
2418 ;;
2419 sunos)
2420 AVSERVERLDFLAGS=""
2421 SHFLAGS='-shared -Wl,-h,$$(@F)'
2422 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2423 network_extralibs="-lsocket -lnsl"
2424 add_cppflags -D__EXTENSIONS__
2425 # When using suncc to build, the Solaris linker will mark
2426 # an executable with each instruction set encountered by
2427 # the Solaris assembler. As our libraries contain their own
2428 # guards for processor-specific code, instead suppress
2429 # generation of the HWCAPS ELF section on Solaris x86 only.
2430 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2431 nm_opts='-P -g'
2432 ;;
2433 netbsd)
2434 disable symver
2435 oss_indev_extralibs="-lossaudio"
2436 oss_outdev_extralibs="-lossaudio"
2437 ;;
2438 openbsd)
2439 enable malloc_aligned
2440 # On OpenBSD 4.5. the compiler does not use PIC unless
2441 # explicitly using -fPIC. Libav builds fine without PIC,
2442 # however the generated executable will not do anything
2443 # (simply quits with exit-code 1, no crash, no output).
2444 # Thus explicitly enable PIC here.
2445 enable pic
2446 disable symver
2447 SHFLAGS='-shared'
2448 oss_indev_extralibs="-lossaudio"
2449 oss_outdev_extralibs="-lossaudio"
2450 ;;
2451 dragonfly)
2452 enable malloc_aligned
2453 disable symver
2454 ;;
2455 freebsd)
2456 enable malloc_aligned
2457 ;;
2458 bsd/os)
2459 add_extralibs -lpoll -lgnugetopt
2460 ;;
2461 darwin)
2462 enable malloc_aligned
2463 gas="gas-preprocessor.pl $cc"
2464 enabled ppc && add_asflags -force_cpusubtype_ALL
2465 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2466 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2467 add_ldflags -Wl,-dynamic,-search_paths_first
2468 SLIBSUF=".dylib"
2469 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2470 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2471 AVSERVERLDFLAGS=-Wl,-bind_at_load
2472 objformat="macho"
2473 enabled x86_64 && objformat="macho64"
2474 enabled_any pic shared ||
2475 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2476 ;;
2477 mingw32*)
2478 if test $target_os = "mingw32ce"; then
2479 disable network
2480 else
2481 target_os=mingw32
2482 fi
2483 LIBTARGET=i386
2484 if enabled x86_64; then
2485 enable malloc_aligned
2486 LIBTARGET="i386:x86-64"
2487 elif enabled arm; then
2488 LIBTARGET=arm-wince
2489 fi
2490 shlibdir_default="$bindir_default"
2491 SLIBPREF=""
2492 SLIBSUF=".dll"
2493 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2494 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2495 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2496 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2497 SLIB_INSTALL_LINKS=
2498 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2499 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2500 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'
2501 objformat="win32"
2502 dlltool="${cross_prefix}dlltool"
2503 enable dos_paths
2504 check_cflags -fno-common
2505 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2506 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2507 die "ERROR: MinGW runtime version must be >= 3.15."
2508 add_cppflags -U__STRICT_ANSI__
2509 ;;
2510 cygwin*)
2511 target_os=cygwin
2512 shlibdir_default="$bindir_default"
2513 SLIBPREF="cyg"
2514 SLIBSUF=".dll"
2515 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2516 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2517 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2518 objformat="win32"
2519 enable dos_paths
2520 check_cflags -fno-common
2521 add_cppflags -U__STRICT_ANSI__
2522 ;;
2523 *-dos|freedos|opendos)
2524 network_extralibs="-lsocket"
2525 objformat="coff"
2526 enable dos_paths
2527 add_cppflags -U__STRICT_ANSI__
2528 ;;
2529 linux)
2530 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2531 enable dv1394
2532 ;;
2533 irix*)
2534 target_os=irix
2535 ranlib="echo ignoring ranlib"
2536 ;;
2537 os/2*)
2538 ln_s="cp -f"
2539 objformat="aout"
2540 add_cppflags -D_GNU_SOURCE
2541 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2542 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2543 AVSERVERLDFLAGS=""
2544 LIBSUF="_s.a"
2545 SLIBPREF=""
2546 SLIBSUF=".dll"
2547 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2548 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2549 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2550 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2551 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2552 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2553 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2554 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2555 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2556 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2557 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2558 enable dos_paths
2559 ;;
2560 gnu/kfreebsd)
2561 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2562 ;;
2563 gnu)
2564 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2565 ;;
2566 qnx)
2567 add_cppflags -D_QNX_SOURCE
2568 network_extralibs="-lsocket"
2569 ;;
2570 symbian)
2571 SLIBSUF=".dll"
2572 enable dos_paths
2573 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2574 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2575 add_ldflags -Wl,--target1-abs,--no-undefined \
2576 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2577 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2578 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2579 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2580 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2581 ;;
2582 none)
2583 ;;
2584 *)
2585 die "Unknown OS '$target_os'."
2586 ;;
2587 esac
2588
2589 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2590
2591 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2592
2593 set_default $PATHS_LIST
2594
2595 # we need to build at least one lib type
2596 if ! enabled_any static shared; then
2597 cat <<EOF
2598 At least one library type must be built.
2599 Specify --enable-static to build the static libraries or --enable-shared to
2600 build the shared libraries as well. To only build the shared libraries specify
2601 --disable-static in addition to --enable-shared.
2602 EOF
2603 exit 1;
2604 fi
2605
2606 die_license_disabled() {
2607 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2608 }
2609
2610 die_license_disabled gpl libcdio
2611 die_license_disabled gpl libx264
2612 die_license_disabled gpl libxavs
2613 die_license_disabled gpl libxvid
2614 die_license_disabled gpl x11grab
2615
2616 die_license_disabled nonfree libfaac
2617 die_license_disabled nonfree openssl
2618
2619 die_license_disabled version3 libopencore_amrnb
2620 die_license_disabled version3 libopencore_amrwb
2621 die_license_disabled version3 libvo_aacenc
2622 die_license_disabled version3 libvo_amrwbenc
2623
2624 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2625
2626 disabled optimizations || check_cflags -fomit-frame-pointer
2627
2628 enable_pic() {
2629 enable pic
2630 add_cppflags -DPIC
2631 add_cflags -fPIC
2632 add_asflags -fPIC
2633 }
2634
2635 enabled pic && enable_pic
2636
2637 check_cc <<EOF || die "Symbol mangling check failed."
2638 int ff_extern;
2639 EOF
2640 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2641 extern_prefix=${sym%%ff_extern*}
2642
2643 check_cc <<EOF && enable inline_asm
2644 void foo(void) { __asm__ volatile ("" ::); }
2645 EOF
2646
2647 _restrict=
2648 for restrict_keyword in restrict __restrict__ __restrict; do
2649 check_cc <<EOF && _restrict=$restrict_keyword && break
2650 void foo(char * $restrict_keyword p);
2651 EOF
2652 done
2653
2654 check_cc <<EOF && enable attribute_packed
2655 struct { int x; } __attribute__((packed)) x;
2656 EOF
2657
2658 check_cc <<EOF && enable attribute_may_alias
2659 union { int x; } __attribute__((may_alias)) x;
2660 EOF
2661
2662 check_cc <<EOF || die "endian test failed"
2663 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2664 EOF
2665 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2666
2667 if enabled alpha; then
2668
2669 check_cflags -mieee
2670
2671 elif enabled arm; then
2672
2673 enabled thumb && check_cflags -mthumb || check_cflags -marm
2674 nogas=die
2675
2676 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2677 enable vfp_args
2678 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2679 case "${cross_prefix:-$cc}" in
2680 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2681 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2682 __asm__ (".eabi_attribute 28, 1");
2683 int main(void) { return 0; }
2684 EOF
2685 esac
2686 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2687 fi
2688
2689 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2690 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2691 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2692 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2693 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2694 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2695 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2696
2697 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2698
2699 enabled_all armv6t2 shared !pic && enable_pic
2700
2701 elif enabled mips; then
2702
2703 check_asm loongson '"dmult.g $1, $2, $3"'
2704 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2705
2706 elif enabled ppc; then
2707
2708 enable local_aligned_8 local_aligned_16
2709
2710 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2711 check_asm ibm_asm '"add 0, 0, 0"'
2712 check_asm ppc4xx '"maclhw r10, r11, r12"'
2713 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2714
2715 # AltiVec flags: The FSF version of GCC differs from the Apple version
2716 if enabled altivec; then
2717 nogas=warn
2718 check_cflags -maltivec -mabi=altivec &&
2719 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2720 check_cflags -faltivec
2721
2722 # check if our compiler supports Motorola AltiVec C API
2723 check_cc <<EOF || disable altivec
2724 $inc_altivec_h
2725 int main(void) {
2726 vector signed int v1, v2, v3;
2727 v1 = vec_add(v2,v3);
2728 return 0;
2729 }
2730 EOF
2731
2732 # check if our compiler supports braces for vector declarations
2733 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2734 $inc_altivec_h
2735 int main (void) { (vector int) {1}; return 0; }
2736 EOF
2737 fi
2738
2739 elif enabled sparc; then
2740
2741 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2742 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2743
2744 elif enabled x86; then
2745
2746 enable local_aligned_8 local_aligned_16
2747
2748 # check whether EBP is available on x86
2749 # As 'i' is stored on the stack, this program will crash
2750 # if the base pointer is used to access it because the
2751 # base pointer is cleared in the inline assembly code.
2752 check_exec_crash <<EOF && enable ebp_available
2753 volatile int i=0;
2754 __asm__ volatile (
2755 "xorl %%ebp, %%ebp"
2756 ::: "%ebp");
2757 return i;
2758 EOF
2759
2760 # check whether EBX is available on x86
2761 check_asm ebx_available '""::"b"(0)' &&
2762 check_asm ebx_available '"":::"%ebx"'
2763
2764 # check whether xmm clobbers are supported
2765 check_asm xmm_clobbers '"":::"%xmm0"'
2766
2767 # check whether binutils is new enough to compile SSSE3/MMX2
2768 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2769 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2770
2771 if ! disabled_any asm mmx yasm; then
2772 if check_cmd $yasmexe --version; then
2773 enabled x86_64 && yasm_extra="-m amd64"
2774 yasm_debug="-g dwarf2"
2775 elif check_cmd nasm -v; then
2776 yasmexe=nasm
2777 yasm_debug="-g -F dwarf"
2778 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2779 fi
2780
2781 YASMFLAGS="-f $objformat $yasm_extra"
2782 enabled pic && append YASMFLAGS "-DPIC"
2783 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2784 case "$objformat" in
2785 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2786 esac
2787
2788 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2789 die "yasm not found, use --disable-yasm for a crippled build"
2790 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2791 fi
2792
2793 case "$cpu" in
2794 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2795 disable fast_clz
2796 ;;
2797 esac
2798
2799 fi
2800
2801 if enabled asm; then
2802 as=${gas:=$as}
2803 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2804 $nogas "GNU assembler not found, install gas-preprocessor"
2805 fi
2806
2807 check_ldflags -Wl,--as-needed
2808
2809 if check_func dlopen; then
2810 ldl=
2811 elif check_func dlopen -ldl; then
2812 ldl=-ldl
2813 fi
2814
2815 if enabled network; then
2816 check_type "sys/types.h sys/socket.h" socklen_t
2817 check_type netdb.h "struct addrinfo"
2818 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2819 check_type netinet/in.h "struct sockaddr_in6"
2820 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2821 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2822 # Prefer arpa/inet.h over winsock2
2823 if check_header arpa/inet.h ; then
2824 check_func closesocket
2825 elif check_header winsock2.h ; then
2826 check_func_headers winsock2.h closesocket -lws2 && \
2827 network_extralibs="-lws2" || \
2828 { check_func_headers winsock2.h closesocket -lws2_32 && \
2829 network_extralibs="-lws2_32"; }
2830 check_type ws2tcpip.h socklen_t
2831 check_type ws2tcpip.h "struct addrinfo"
2832 check_type ws2tcpip.h "struct ipv6_mreq"
2833 check_type ws2tcpip.h "struct sockaddr_in6"
2834 check_type ws2tcpip.h "struct sockaddr_storage"
2835 check_struct winsock2.h "struct sockaddr" sa_len
2836 else
2837 disable network
2838 fi
2839 fi
2840
2841 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2842 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2843
2844 check_func fcntl
2845 check_func fork
2846 check_func getaddrinfo $network_extralibs
2847 check_func gethrtime
2848 check_func getrusage
2849 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2850 check_func inet_aton $network_extralibs
2851 check_func isatty
2852 check_func localtime_r
2853 check_func ${malloc_prefix}memalign && enable memalign
2854 check_func mkstemp
2855 check_func mmap
2856 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2857 check_func setrlimit
2858 check_func strerror_r
2859 check_func strptime
2860 check_func strtok_r
2861 check_func sched_getaffinity
2862 check_func sysconf
2863 check_func sysctl
2864 check_func_headers io.h setmode
2865 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2866 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2867 check_func_headers windows.h GetProcessAffinityMask
2868 check_func_headers windows.h GetProcessTimes
2869 check_func_headers windows.h MapViewOfFile
2870 check_func_headers windows.h VirtualAlloc
2871
2872 check_header dlfcn.h
2873 check_header dxva2api.h
2874 check_header malloc.h
2875 check_header poll.h
2876 check_header sys/mman.h
2877 check_header sys/param.h
2878 check_header sys/resource.h
2879 check_header sys/select.h
2880 check_header vdpau/vdpau.h
2881 check_header vdpau/vdpau_x11.h
2882 check_header X11/extensions/XvMClib.h
2883
2884 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2885
2886 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2887 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2888
2889 if ! disabled w32threads && ! enabled pthreads; then
2890 check_func _beginthreadex && enable w32threads
2891 fi
2892
2893 # check for some common methods of building with pthread support
2894 # do this before the optional library checks as some of them require pthreads
2895 if ! disabled pthreads && ! enabled w32threads; then
2896 enable pthreads
2897 if check_func pthread_create; then
2898 :
2899 elif check_func pthread_create -pthread; then
2900 add_cflags -pthread
2901 add_extralibs -pthread
2902 elif check_func pthread_create -pthreads; then
2903 add_cflags -pthreads
2904 add_extralibs -pthreads
2905 elif check_func pthread_create -lpthreadGC2; then
2906 add_extralibs -lpthreadGC2
2907 elif ! check_lib pthread.h pthread_create -lpthread; then
2908 disable pthreads
2909 fi
2910 fi
2911
2912 for thread in $THREADS_LIST; do
2913 if enabled $thread; then
2914 test -n "$thread_type" &&
2915 die "ERROR: Only one thread type must be selected." ||
2916 thread_type="$thread"
2917 fi
2918 done
2919
2920 check_lib math.h sin -lm && LIBM="-lm"
2921 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2922
2923 check_mathfunc exp2
2924 check_mathfunc exp2f
2925 check_mathfunc llrint
2926 check_mathfunc llrintf
2927 check_mathfunc log2
2928 check_mathfunc log2f
2929 check_mathfunc lrint
2930 check_mathfunc lrintf
2931 check_mathfunc round
2932 check_mathfunc roundf
2933 check_mathfunc trunc
2934 check_mathfunc truncf
2935
2936 # these are off by default, so fail if requested and not available
2937 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2938 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2939 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2940 enabled libdirac && require_pkg_config dirac \
2941 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2942 "dirac_decoder_init dirac_encoder_init"
2943 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2944 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2945 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2946 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2947 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2948 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2949 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2950 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2951 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2952 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2953 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2954 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2955 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2956 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2957 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2958 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2959 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2960 enabled libvpx && {
2961 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2962 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2963 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2964 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2965 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2966 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2967 die "ERROR: libx264 version must be >= 0.118."; }
2968 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2969 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2970 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2971 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2972 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2973 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2974 die "ERROR: openssl not found"; }
2975
2976 # libdc1394 check
2977 if enabled libdc1394; then
2978 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2979 enable libdc1394_2; } ||
2980 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2981 enable libdc1394_1; } ||
2982 die "ERROR: No version of libdc1394 found "
2983 fi
2984
2985 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2986 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2987 enable sdl &&
2988 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2989 fi
2990
2991 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2992
2993 check_header linux/fb.h
2994 check_header linux/videodev.h
2995 check_header linux/videodev2.h
2996 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2997
2998 check_header sys/videoio.h
2999
3000 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3001 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3002 # w32api 3.12 had it defined wrong
3003 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3004
3005 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3006 { check_header dev/bktr/ioctl_meteor.h &&
3007 check_header dev/bktr/ioctl_bt848.h; } ||
3008 { check_header machine/ioctl_meteor.h &&
3009 check_header machine/ioctl_bt848.h; } ||
3010 { check_header dev/video/meteor/ioctl_meteor.h &&
3011 check_header dev/video/bktr/ioctl_bt848.h; } ||
3012 check_header dev/ic/bt8xx.h
3013
3014 check_header sndio.h
3015 check_header sys/soundcard.h
3016 check_header soundcard.h
3017
3018 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3019
3020 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3021
3022 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3023
3024 enabled libcdio &&
3025 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3026
3027 enabled x11grab &&
3028 check_header X11/Xlib.h &&
3029 check_header X11/extensions/XShm.h &&
3030 check_header X11/extensions/Xfixes.h &&
3031 check_func XOpenDisplay -lX11 &&
3032 check_func XShmCreateImage -lX11 -lXext &&
3033 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3034
3035 # check for VDA header
3036 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3037 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3038 fi
3039
3040 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3041 check_cpp_condition \
3042 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3043 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3044 disable vdpau; }
3045 fi
3046
3047 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3048
3049 # add some useful compiler flags if supported
3050 check_cflags -Wdeclaration-after-statement
3051 check_cflags -Wall
3052 check_cflags -Wno-parentheses
3053 check_cflags -Wno-switch
3054 check_cflags -Wno-format-zero-length
3055 check_cflags -Wdisabled-optimization
3056 check_cflags -Wpointer-arith
3057 check_cflags -Wredundant-decls
3058 check_cflags -Wno-pointer-sign
3059 check_cflags -Wcast-qual
3060 check_cflags -Wwrite-strings
3061 check_cflags -Wtype-limits
3062 check_cflags -Wundef
3063 check_cflags -Wmissing-prototypes
3064 check_cflags -Wstrict-prototypes
3065 enabled extra_warnings && check_cflags -Winline
3066
3067 # add some linker flags
3068 check_ldflags -Wl,--warn-common
3069 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3070 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3071
3072 echo "X{};" > $TMPV
3073 if test_ldflags -Wl,--version-script,$TMPV; then
3074 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3075 check_cc <<EOF && enable symver_asm_label
3076 void ff_foo(void) __asm__ ("av_foo@VERSION");
3077 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3078 EOF
3079 check_cc <<EOF && enable symver_gnu_asm
3080 __asm__(".symver ff_foo,av_foo@VERSION");
3081 void ff_foo(void) {}
3082 EOF
3083 fi
3084
3085 if [ -n "$optflags" ]; then
3086 add_cflags $optflags
3087 elif enabled small; then
3088 add_cflags $size_cflags
3089 elif enabled optimizations; then
3090 add_cflags $speed_cflags
3091 else
3092 add_cflags $noopt_cflags
3093 fi
3094 check_cflags -fno-math-errno
3095 check_cflags -fno-signed-zeros
3096
3097 if enabled icc; then
3098 # Just warnings, no remarks
3099 check_cflags -w1
3100 # -wd: Disable following warnings
3101 # 144, 167, 556: -Wno-pointer-sign
3102 # 1292: attribute "foo" ignored
3103 # 10006: ignoring unknown option -fno-signed-zeros
3104 # 10148: ignoring unknown option -Wno-parentheses
3105 # 10156: ignoring option '-W'; no argument required
3106 check_cflags -wd144,167,556,1292,10006,10148,10156
3107 # 11030: Warning unknown option --as-needed
3108 # 10156: ignoring option '-export'; no argument required
3109 check_ldflags -wd10156,11030
3110 # Allow to compile with optimizations
3111 check_ldflags -march=$cpu
3112 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3113 enable ebp_available
3114 if enabled x86_32; then
3115 test ${icc_version%%.*} -ge 11 && \
3116 check_cflags -falign-stack=maintain-16-byte || \
3117 disable aligned_stack
3118 fi
3119 elif enabled ccc; then
3120 # disable some annoying warnings
3121 add_cflags -msg_disable cvtu32to64
3122 add_cflags -msg_disable embedcomment
3123 add_cflags -msg_disable needconstext
3124 add_cflags -msg_disable nomainieee
3125 add_cflags -msg_disable ptrmismatch1
3126 add_cflags -msg_disable unreachcode
3127 elif enabled gcc; then
3128 check_cflags -fno-tree-vectorize
3129 check_cflags -Werror=implicit-function-declaration
3130 check_cflags -Werror=missing-prototypes
3131 check_cflags -Werror=declaration-after-statement
3132 elif enabled llvm_gcc; then
3133 check_cflags -mllvm -stack-alignment=16
3134 elif enabled clang; then
3135 check_cflags -mllvm -stack-alignment=16
3136 check_cflags -Qunused-arguments
3137 elif enabled armcc; then
3138 # 2523: use of inline assembler is deprecated
3139 add_cflags -W${armcc_opt},--diag_suppress=2523
3140 add_cflags -W${armcc_opt},--diag_suppress=1207
3141 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3142 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3143 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3144 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3145 elif enabled tms470; then
3146 add_cflags -pds=824 -pds=837
3147 elif enabled pathscale; then
3148 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3149 fi
3150
3151 enabled_any $THREADS_LIST && enable threads
3152
3153 check_deps $CONFIG_LIST \
3154 $CONFIG_EXTRA \
3155 $HAVE_LIST \
3156 $ALL_COMPONENTS \
3157 $ALL_TESTS \
3158
3159 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3160
3161 ! enabled_any memalign posix_memalign malloc_aligned &&
3162 enabled_any $need_memalign && enable memalign_hack
3163
3164 echo "install prefix $prefix"
3165 echo "source path $source_path"
3166 echo "C compiler $cc"
3167 echo "ARCH $arch ($cpu)"
3168 if test "$build_suffix" != ""; then
3169 echo "build suffix $build_suffix"
3170 fi
3171 if test "$extra_version" != ""; then
3172 echo "version string suffix $extra_version"
3173 fi
3174 echo "big-endian ${bigendian-no}"
3175 echo "runtime cpu detection ${runtime_cpudetect-no}"
3176 if enabled x86; then
3177 echo "${yasmexe} ${yasm-no}"
3178 echo "MMX enabled ${mmx-no}"
3179 echo "MMX2 enabled ${mmx2-no}"
3180 echo "3DNow! enabled ${amd3dnow-no}"
3181 echo "3DNow! extended enabled ${amd3dnowext-no}"
3182 echo "SSE enabled ${sse-no}"
3183 echo "SSSE3 enabled ${ssse3-no}"
3184 echo "AVX enabled ${avx-no}"
3185 echo "CMOV enabled ${cmov-no}"
3186 echo "CMOV is fast ${fast_cmov-no}"
3187 echo "EBX available ${ebx_available-no}"
3188 echo "EBP available ${ebp_available-no}"
3189 fi
3190 if enabled arm; then
3191 echo "ARMv5TE enabled ${armv5te-no}"
3192 echo "ARMv6 enabled ${armv6-no}"
3193 echo "ARMv6T2 enabled ${armv6t2-no}"
3194 echo "ARM VFP enabled ${armvfp-no}"
3195 echo "IWMMXT enabled ${iwmmxt-no}"
3196 echo "NEON enabled ${neon-no}"
3197 fi
3198 if enabled mips; then
3199 echo "MMI enabled ${mmi-no}"
3200 fi
3201 if enabled ppc; then
3202 echo "AltiVec enabled ${altivec-no}"
3203 echo "PPC 4xx optimizations ${ppc4xx-no}"
3204 echo "dcbzl available ${dcbzl-no}"
3205 fi
3206 if enabled sparc; then
3207 echo "VIS enabled ${vis-no}"
3208 fi
3209 echo "debug symbols ${debug-no}"
3210 echo "optimize for size ${small-no}"
3211 echo "optimizations ${optimizations-no}"
3212 echo "static ${static-no}"
3213 echo "shared ${shared-no}"
3214 echo "postprocessing support ${postproc-no}"
3215 echo "new filter support ${avfilter-no}"
3216 echo "network support ${network-no}"
3217 echo "threading support ${thread_type-no}"
3218 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3219 echo "SDL support ${sdl-no}"
3220 echo "Sun medialib support ${mlib-no}"
3221 echo "libdxva2 enabled ${dxva2-no}"
3222 echo "libva enabled ${vaapi-no}"
3223 echo "libvdpau enabled ${vdpau-no}"
3224 echo "AVISynth enabled ${avisynth-no}"
3225 echo "frei0r enabled ${frei0r-no}"
3226 echo "gnutls enabled ${gnutls-no}"
3227 echo "libcdio support ${libcdio-no}"
3228 echo "libdc1394 support ${libdc1394-no}"
3229 echo "libdirac enabled ${libdirac-no}"
3230 echo "libfaac enabled ${libfaac-no}"
3231 echo "libgsm enabled ${libgsm-no}"
3232 echo "libmp3lame enabled ${libmp3lame-no}"
3233 echo "libnut enabled ${libnut-no}"
3234 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3235 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3236 echo "libopencv support ${libopencv-no}"
3237 echo "libopenjpeg enabled ${libopenjpeg-no}"
3238 echo "libpulse enabled ${libpulse-no}"
3239 echo "librtmp enabled ${librtmp-no}"
3240 echo "libschroedinger enabled ${libschroedinger-no}"
3241 echo "libspeex enabled ${libspeex-no}"
3242 echo "libtheora enabled ${libtheora-no}"
3243 echo "libvo-aacenc support ${libvo_aacenc-no}"
3244 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3245 echo "libvorbis enabled ${libvorbis-no}"
3246 echo "libvpx enabled ${libvpx-no}"
3247 echo "libx264 enabled ${libx264-no}"
3248 echo "libxavs enabled ${libxavs-no}"
3249 echo "libxvid enabled ${libxvid-no}"
3250 echo "openssl enabled ${openssl-no}"
3251 echo "zlib enabled ${zlib-no}"
3252 echo "bzlib enabled ${bzlib-no}"
3253 echo
3254
3255 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3256 echo "Enabled ${type}s:"
3257 eval list=\$$(toupper $type)_LIST
3258 print_enabled '_*' $list | sort | pr -r -3 -t
3259 echo
3260 done
3261
3262 license="LGPL version 2.1 or later"
3263 if enabled nonfree; then
3264 license="nonfree and unredistributable"
3265 elif enabled gplv3; then
3266 license="GPL version 3 or later"
3267 elif enabled lgplv3; then
3268 license="LGPL version 3 or later"
3269 elif enabled gpl; then
3270 license="GPL version 2 or later"
3271 fi
3272
3273 echo "License: $license"
3274
3275 echo "Creating config.mak and config.h..."
3276
3277 test -e Makefile || $ln_s "$source_path/Makefile" .
3278
3279 config_files="$TMPH config.mak"
3280
3281 cat > config.mak <<EOF
3282 # Automatically generated by configure - do not modify!
3283 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3284 prefix=$prefix
3285 LIBDIR=\$(DESTDIR)$libdir
3286 SHLIBDIR=\$(DESTDIR)$shlibdir
3287 INCDIR=\$(DESTDIR)$incdir
3288 BINDIR=\$(DESTDIR)$bindir
3289 DATADIR=\$(DESTDIR)$datadir
3290 MANDIR=\$(DESTDIR)$mandir
3291 SRC_PATH=$source_path
3292 CC_IDENT=$cc_ident
3293 ARCH=$arch
3294 CC=$cc
3295 AS=$as
3296 LD=$ld
3297 DEPCC=$dep_cc
3298 YASM=$yasmexe
3299 YASMDEP=$yasmexe
3300 AR=$ar
3301 RANLIB=$ranlib
3302 LN_S=$ln_s
3303 CPPFLAGS=$CPPFLAGS
3304 CFLAGS=$CFLAGS
3305 ASFLAGS=$ASFLAGS
3306 AS_O=$CC_O
3307 CC_O=$CC_O
3308 DLLTOOL=$dlltool
3309 LDFLAGS=$LDFLAGS
3310 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3311 SHFLAGS=$SHFLAGS
3312 YASMFLAGS=$YASMFLAGS
3313 BUILDSUF=$build_suffix
3314 FULLNAME=$FULLNAME
3315 LIBPREF=$LIBPREF
3316 LIBSUF=$LIBSUF
3317 LIBNAME=$LIBNAME
3318 SLIBPREF=$SLIBPREF
3319 SLIBSUF=$SLIBSUF
3320 EXESUF=$EXESUF
3321 EXTRA_VERSION=$extra_version
3322 DEPFLAGS=$DEPFLAGS
3323 CCDEP=$CCDEP
3324 ASDEP=$ASDEP
3325 CC_DEPFLAGS=$CC_DEPFLAGS
3326 AS_DEPFLAGS=$AS_DEPFLAGS
3327 HOSTCC=$host_cc
3328 HOSTCFLAGS=$host_cflags
3329 HOSTEXESUF=$HOSTEXESUF
3330 HOSTLDFLAGS=$host_ldflags
3331 HOSTLIBS=$host_libs
3332 TARGET_EXEC=$target_exec
3333 TARGET_PATH=$target_path
3334 SDL_LIBS=$sdl_libs
3335 SDL_CFLAGS=$sdl_cflags
3336 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3337 EXTRALIBS=$extralibs
3338 INSTALL=install
3339 LIBTARGET=${LIBTARGET}
3340 SLIBNAME=${SLIBNAME}
3341 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3342 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3343 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3344 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3345 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3346 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3347 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3348 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3349 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3350 EOF
3351
3352 get_version(){
3353 name=$1
3354 file=$source_path/$2
3355 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3356 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3357 lcname=$(tolower $name)
3358 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3359 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3360 }
3361
3362 get_version LIBAVCODEC libavcodec/version.h
3363 get_version LIBAVDEVICE libavdevice/avdevice.h
3364 get_version LIBAVFILTER libavfilter/avfilter.h
3365 get_version LIBAVFORMAT libavformat/version.h
3366 get_version LIBAVUTIL libavutil/avutil.h
3367 get_version LIBPOSTPROC libpostproc/postprocess.h
3368 get_version LIBSWSCALE libswscale/swscale.h
3369
3370 cat > $TMPH <<EOF
3371 /* Automatically generated by configure - do not modify! */
3372 #ifndef LIBAV_CONFIG_H
3373 #define LIBAV_CONFIG_H
3374 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3375 #define LIBAV_LICENSE "$(c_escape $license)"
3376 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3377 #define CC_TYPE "$cc_type"
3378 #define CC_VERSION $cc_version
3379 #define restrict $_restrict
3380 #define EXTERN_PREFIX "${extern_prefix}"
3381 #define EXTERN_ASM ${extern_prefix}
3382 #define SLIBSUF "$SLIBSUF"
3383 EOF
3384
3385 test -n "$malloc_prefix" &&
3386 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3387
3388 if enabled small || disabled optimizations; then
3389 echo "#undef av_always_inline" >> $TMPH
3390 if enabled small; then
3391 echo "#define av_always_inline inline" >> $TMPH
3392 else
3393 echo "#define av_always_inline av_unused" >> $TMPH
3394 fi
3395 fi
3396
3397 if enabled yasm; then
3398 append config_files $TMPASM
3399 printf '' >$TMPASM
3400 fi
3401
3402 print_config ARCH_ "$config_files" $ARCH_LIST
3403 print_config HAVE_ "$config_files" $HAVE_LIST
3404 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3405 $CONFIG_EXTRA \
3406 $ALL_COMPONENTS \
3407
3408 cat >>config.mak <<EOF
3409 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3410 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3411 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3412 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3413 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3414 EOF
3415
3416 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3417
3418 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3419 cp_if_changed $TMPH config.h
3420 touch .config
3421
3422 enabled yasm && cp_if_changed $TMPASM config.asm
3423
3424 cat > $TMPH <<EOF
3425 /* Generated by ffconf */
3426 #ifndef AVUTIL_AVCONFIG_H
3427 #define AVUTIL_AVCONFIG_H
3428 EOF
3429
3430 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3431
3432 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3433
3434 cp_if_changed $TMPH libavutil/avconfig.h
3435
3436 test -n "$WARNINGS" && printf "\n$WARNINGS"
3437
3438 # build pkg-config files
3439
3440 pkgconfig_generate(){
3441 name=$1
3442 shortname=${name#lib}${build_suffix}
3443 comment=$2
3444 version=$3
3445 libs=$4
3446 requires=$5
3447 enabled ${name#lib} || return 0
3448 mkdir -p $name
3449 cat <<EOF > $name/$name.pc
3450 prefix=$prefix
3451 exec_prefix=\${prefix}
3452 libdir=$libdir
3453 includedir=$incdir
3454
3455 Name: $name
3456 Description: $comment
3457 Version: $version
3458 Requires: $(enabled shared || echo $requires)
3459 Requires.private: $(enabled shared && echo $requires)
3460 Conflicts:
3461 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3462 Libs.private: $(enabled shared && echo $libs)
3463 Cflags: -I\${includedir}
3464 EOF
3465 cat <<EOF > $name/$name-uninstalled.pc
3466 prefix=
3467 exec_prefix=
3468 libdir=\${pcfiledir}
3469 includedir=${source_path}
3470
3471 Name: $name
3472 Description: $comment
3473 Version: $version
3474 Requires: $requires
3475 Conflicts:
3476 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3477 Cflags: -I\${includedir}
3478 EOF
3479 }
3480
3481 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3482 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3483 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3484 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3485 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3486 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3487 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"