build: drop some unnecessary dependencies from the H.264 parser
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-pthreads disable pthreads [auto]
114 --disable-w32threads disable Win32 threads [auto]
115 --enable-x11grab enable X11 grabbing [no]
116 --disable-network disable network support [no]
117 --disable-dct disable DCT code
118 --disable-fft disable FFT code
119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
123 --enable-vaapi enable VAAPI code
124 --enable-vda enable VDA code
125 --enable-vdpau enable VDPAU code
126
127 Individual component options:
128 --disable-everything disable all components listed below
129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
153 --enable-indev=NAME enable input device NAME
154 --disable-indev=NAME disable input device NAME
155 --disable-indevs disable input devices
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libdirac enable Dirac support via libdirac [no]
176 --enable-libfaac enable FAAC support via libfaac [no]
177 --enable-libfreetype enable libfreetype [no]
178 --enable-libgsm enable GSM support via libgsm [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libnut enable NUT (de)muxing via libnut,
181 native (de)muxer exists [no]
182 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
183 --enable-libpulse enable Pulseaudio input via libpulse [no]
184 --enable-librtmp enable RTMP[E] support via librtmp [no]
185 --enable-libschroedinger enable Dirac support via libschroedinger [no]
186 --enable-libspeex enable Speex support via libspeex [no]
187 --enable-libtheora enable Theora encoding via libtheora [no]
188 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
189 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
190 --enable-libvorbis enable Vorbis encoding via libvorbis,
191 native implementation exists [no]
192 --enable-libvpx enable VP8 support via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-openssl enable openssl [no]
198 --enable-zlib enable zlib [autodetect]
199
200 Advanced options (experts only):
201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
209 --ar=AR use archive tool AR [$ar_default]
210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
212 --ld=LD use linker LD
213 --host-cc=HOSTCC use host C compiler HOSTCC
214 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
215 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
216 --host-libs=HLIBS use libs HLIBS when linking for host
217 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
218 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
219 --extra-libs=ELIBS add ELIBS [$ELIBS]
220 --extra-version=STRING version string suffix []
221 --optflags override optimization-related compiler flags
222 --build-suffix=SUFFIX library name suffix []
223 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --enable-pic build position-independent code
228 --enable-sram allow use of on-chip SRAM
229 --disable-symver disable symbol versioning
230 --disable-fastdiv disable table-based division
231 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
232 --disable-safe-bitstream-reader
233 disable buffer boundary checking in bitreaders
234 (faster, but may crash)
235 --enable-memalign-hack emulate memalign, interferes with memory debuggers
236
237 Optimization options (experts only):
238 --disable-asm disable all assembler optimizations
239 --disable-altivec disable AltiVec optimizations
240 --disable-amd3dnow disable 3DNow! optimizations
241 --disable-amd3dnowext disable 3DNow! extended optimizations
242 --disable-mmx disable MMX optimizations
243 --disable-mmx2 disable MMX2 optimizations
244 --disable-sse disable SSE optimizations
245 --disable-ssse3 disable SSSE3 optimizations
246 --disable-avx disable AVX optimizations
247 --disable-armv5te disable armv5te optimizations
248 --disable-armv6 disable armv6 optimizations
249 --disable-armv6t2 disable armv6t2 optimizations
250 --disable-armvfp disable ARM VFP optimizations
251 --disable-mmi disable MMI optimizations
252 --disable-neon disable NEON optimizations
253 --disable-vis disable VIS optimizations
254 --disable-yasm disable use of yasm assembler
255
256 Developer options (useful when working on Libav itself):
257 --disable-debug disable debugging symbols
258 --enable-debug=LEVEL set the debug level [$debuglevel]
259 --disable-optimizations disable compiler optimizations
260 --enable-extra-warnings enable more compiler warnings
261 --samples=PATH location of test samples for FATE, if not set use
262 \$FATE_SAMPLES at make invocation time.
263 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
264 should be used only for debugging purposes)
265
266 NOTE: Object files are built at the place where configure is launched.
267 EOF
268 exit 0
269 }
270
271 quotes='""'
272
273 log(){
274 echo "$@" >> $logfile
275 }
276
277 log_file(){
278 log BEGIN $1
279 pr -n -t $1 >> $logfile
280 log END $1
281 }
282
283 echolog(){
284 log "$@"
285 echo "$@"
286 }
287
288 warn(){
289 log "WARNING: $*"
290 WARNINGS="${WARNINGS}WARNING: $*\n"
291 }
292
293 die(){
294 echolog "$@"
295 cat <<EOF
296
297 If you think configure made a mistake, make sure you are using the latest
298 version from Git. If the latest version fails, report the problem to the
299 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
300 EOF
301 if disabled logging; then
302 cat <<EOF
303 Rerun configure with logging enabled (do not use --disable-logging), and
304 include the log this produces with your report.
305 EOF
306 else
307 cat <<EOF
308 Include the log file "$logfile" produced by configure as this will help
309 solving the problem.
310 EOF
311 fi
312 exit 1
313 }
314
315 # Avoid locale weirdness, besides we really just want to translate ASCII.
316 toupper(){
317 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
318 }
319
320 tolower(){
321 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
322 }
323
324 c_escape(){
325 echo "$*" | sed 's/["\\]/\\\0/g'
326 }
327
328 sh_quote(){
329 v=$(echo "$1" | sed "s/'/'\\\\''/g")
330 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
331 echo "$v"
332 }
333
334 cleanws(){
335 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
336 }
337
338 filter(){
339 pat=$1
340 shift
341 for v; do
342 eval "case $v in $pat) echo $v ;; esac"
343 done
344 }
345
346 filter_out(){
347 pat=$1
348 shift
349 for v; do
350 eval "case $v in $pat) ;; *) echo $v ;; esac"
351 done
352 }
353
354 map(){
355 m=$1
356 shift
357 for v; do eval $m; done
358 }
359
360 set_all(){
361 value=$1
362 shift
363 for var in $*; do
364 eval $var=$value
365 done
366 }
367
368 set_weak(){
369 value=$1
370 shift
371 for var; do
372 eval : \${$var:=$value}
373 done
374 }
375
376 set_safe(){
377 var=$1
378 shift
379 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
380 }
381
382 get_safe(){
383 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
384 }
385
386 pushvar(){
387 for var in $*; do
388 eval level=\${${var}_level:=0}
389 eval ${var}_${level}="\$$var"
390 eval ${var}_level=$(($level+1))
391 done
392 }
393
394 popvar(){
395 for var in $*; do
396 eval level=\${${var}_level:-0}
397 test $level = 0 && continue
398 eval level=$(($level-1))
399 eval $var="\${${var}_${level}}"
400 eval ${var}_level=$level
401 eval unset ${var}_${level}
402 done
403 }
404
405 enable(){
406 set_all yes $*
407 }
408
409 disable(){
410 set_all no $*
411 }
412
413 enable_weak(){
414 set_weak yes $*
415 }
416
417 disable_weak(){
418 set_weak no $*
419 }
420
421 enable_safe(){
422 for var; do
423 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
424 done
425 }
426
427 disable_safe(){
428 for var; do
429 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
430 done
431 }
432
433 do_enable_deep(){
434 for var; do
435 enabled $var && continue
436 eval sel="\$${var}_select"
437 eval sgs="\$${var}_suggest"
438 pushvar var sgs
439 enable_deep $sel
440 popvar sgs
441 enable_deep_weak $sgs
442 popvar var
443 done
444 }
445
446 enable_deep(){
447 do_enable_deep $*
448 enable $*
449 }
450
451 enable_deep_weak(){
452 do_enable_deep $*
453 enable_weak $*
454 }
455
456 enabled(){
457 test "${1#!}" = "$1" && op== || op=!=
458 eval test "x\$${1#!}" $op "xyes"
459 }
460
461 disabled(){
462 test "${1#!}" = "$1" && op== || op=!=
463 eval test "x\$${1#!}" $op "xno"
464 }
465
466 enabled_all(){
467 for opt; do
468 enabled $opt || return 1
469 done
470 }
471
472 disabled_all(){
473 for opt; do
474 disabled $opt || return 1
475 done
476 }
477
478 enabled_any(){
479 for opt; do
480 enabled $opt && return 0
481 done
482 }
483
484 disabled_any(){
485 for opt; do
486 disabled $opt && return 0
487 done
488 return 1
489 }
490
491 set_default(){
492 for opt; do
493 eval : \${$opt:=\$${opt}_default}
494 done
495 }
496
497 is_in(){
498 value=$1
499 shift
500 for var in $*; do
501 [ $var = $value ] && return 0
502 done
503 return 1
504 }
505
506 check_deps(){
507 for cfg; do
508 cfg="${cfg#!}"
509 enabled ${cfg}_checking && die "Circular dependency for $cfg."
510 disabled ${cfg}_checking && continue
511 enable ${cfg}_checking
512
513 eval dep_all="\$${cfg}_deps"
514 eval dep_any="\$${cfg}_deps_any"
515 eval dep_sel="\$${cfg}_select"
516 eval dep_sgs="\$${cfg}_suggest"
517 eval dep_ifa="\$${cfg}_if"
518 eval dep_ifn="\$${cfg}_if_any"
519
520 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
521 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
522 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
523
524 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
525 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
526 enabled_all $dep_all || disable $cfg
527 enabled_any $dep_any || disable $cfg
528 disabled_any $dep_sel && disable $cfg
529
530 if enabled $cfg; then
531 eval dep_extralibs="\$${cfg}_extralibs"
532 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
533 enable_deep $dep_sel
534 enable_deep_weak $dep_sgs
535 fi
536
537 disable ${cfg}_checking
538 done
539 }
540
541 print_config_h(){
542 enabled $1 && v=1 || v=0
543 echo "#define $2 $v"
544 }
545
546 print_config_mak(){
547 enabled $1 && v= || v=!
548 echo "$v$2=yes"
549 }
550
551 print_config_asm(){
552 enabled $1 && v=1 || v=0
553 echo "%define $2 $v"
554 }
555
556 print_config(){
557 pfx=$1
558 files=$2
559 shift 2
560 for cfg; do
561 ucname="$(toupper $cfg)"
562 for f in $files; do
563 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
564 done
565 done
566 }
567
568 print_enabled(){
569 test "$1" = -n && end=" " && shift || end="\n"
570 suf=$1
571 shift
572 for v; do
573 enabled $v && printf "%s$end" ${v%$suf};
574 done
575 }
576
577 append(){
578 var=$1
579 shift
580 eval "$var=\"\$$var $*\""
581 }
582
583 prepend(){
584 var=$1
585 shift
586 eval "$var=\"$* \$$var\""
587 }
588
589 add_cppflags(){
590 append CPPFLAGS $($filter_cppflags "$@")
591 }
592
593 add_cflags(){
594 append CFLAGS $($filter_cflags "$@")
595 }
596
597 add_asflags(){
598 append ASFLAGS $($filter_asflags "$@")
599 }
600
601 add_ldflags(){
602 append LDFLAGS "$@"
603 }
604
605 add_extralibs(){
606 prepend extralibs "$@"
607 }
608
609 check_cmd(){
610 log "$@"
611 "$@" >> $logfile 2>&1
612 }
613
614 check_cc(){
615 log check_cc "$@"
616 cat > $TMPC
617 log_file $TMPC
618 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
619 }
620
621 check_cpp(){
622 log check_cpp "$@"
623 cat > $TMPC
624 log_file $TMPC
625 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
626 }
627
628 check_as(){
629 log check_as "$@"
630 cat > $TMPC
631 log_file $TMPC
632 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
633 }
634
635 check_asm(){
636 log check_asm "$@"
637 name="$1"
638 code="$2"
639 shift 2
640 disable $name
641 check_as "$@" <<EOF && enable $name
642 void foo(void){ __asm__ volatile($code); }
643 EOF
644 }
645
646 check_yasm(){
647 log check_yasm "$@"
648 echo "$1" > $TMPS
649 log_file $TMPS
650 shift 1
651 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
652 }
653
654 check_ld(){
655 log check_ld "$@"
656 flags=''
657 libs=''
658 for f; do
659 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
660 done
661 check_cc $($filter_cflags $flags) || return
662 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
663 }
664
665 check_cppflags(){
666 log check_cppflags "$@"
667 set -- $($filter_cppflags "$@")
668 check_cc "$@" <<EOF && append CPPFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 check_cflags(){
674 log check_cflags "$@"
675 set -- $($filter_cflags "$@")
676 check_cc "$@" <<EOF && append CFLAGS "$@"
677 int x;
678 EOF
679 }
680
681 test_ldflags(){
682 log test_ldflags "$@"
683 check_ld "$@" <<EOF
684 int main(void){ return 0; }
685 EOF
686 }
687
688 check_ldflags(){
689 log check_ldflags "$@"
690 test_ldflags "$@" && add_ldflags "$@"
691 }
692
693 check_header(){
694 log check_header "$@"
695 header=$1
696 shift
697 disable_safe $header
698 check_cpp "$@" <<EOF && enable_safe $header
699 #include <$header>
700 int x;
701 EOF
702 }
703
704 check_func(){
705 log check_func "$@"
706 func=$1
707 shift
708 disable $func
709 check_ld "$@" <<EOF && enable $func
710 extern int $func();
711 int main(void){ $func(); }
712 EOF
713 }
714
715 check_mathfunc(){
716 log check_mathfunc "$@"
717 func=$1
718 shift
719 disable $func
720 check_ld "$@" <<EOF && enable $func
721 #include <math.h>
722 float foo(float f) { return $func(f); }
723 int main(void){ return 0; }
724 EOF
725 }
726
727 check_func_headers(){
728 log check_func_headers "$@"
729 headers=$1
730 funcs=$2
731 shift 2
732 {
733 for hdr in $headers; do
734 echo "#include <$hdr>"
735 done
736 for func in $funcs; do
737 echo "long check_$func(void) { return (long) $func; }"
738 done
739 echo "int main(void) { return 0; }"
740 } | check_ld "$@" && enable $funcs && enable_safe $headers
741 }
742
743 check_cpp_condition(){
744 log check_cpp_condition "$@"
745 header=$1
746 condition=$2
747 shift 2
748 check_cpp $($filter_cppflags "$@") <<EOF
749 #include <$header>
750 #if !($condition)
751 #error "unsatisfied condition: $condition"
752 #endif
753 EOF
754 }
755
756 check_lib(){
757 log check_lib "$@"
758 header="$1"
759 func="$2"
760 shift 2
761 check_header $header && check_func $func "$@" && add_extralibs "$@"
762 }
763
764 check_lib2(){
765 log check_lib2 "$@"
766 headers="$1"
767 funcs="$2"
768 shift 2
769 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
770 }
771
772 check_pkg_config(){
773 log check_pkg_config "$@"
774 pkg="$1"
775 headers="$2"
776 funcs="$3"
777 shift 3
778 $pkg_config --exists $pkg || return
779 pkg_cflags=$($pkg_config --cflags $pkg)
780 pkg_libs=$($pkg_config --libs $pkg)
781 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
782 set_safe ${pkg}_cflags $pkg_cflags &&
783 set_safe ${pkg}_libs $pkg_libs
784 }
785
786 check_exec(){
787 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
788 }
789
790 check_exec_crash(){
791 code=$(cat)
792
793 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
794 # are safe but may not be available everywhere. Thus we use
795 # raise(SIGTERM) instead. The check is run in a subshell so we
796 # can redirect the "Terminated" message from the shell. SIGBUS
797 # is not defined by standard C so it is used conditionally.
798
799 (check_exec "$@") >> $logfile 2>&1 <<EOF
800 #include <signal.h>
801 static void sighandler(int sig){
802 raise(SIGTERM);
803 }
804 int main(void){
805 signal(SIGILL, sighandler);
806 signal(SIGFPE, sighandler);
807 signal(SIGSEGV, sighandler);
808 #ifdef SIGBUS
809 signal(SIGBUS, sighandler);
810 #endif
811 { $code }
812 }
813 EOF
814 }
815
816 check_type(){
817 log check_type "$@"
818 headers=$1
819 type=$2
820 shift 2
821 disable_safe "$type"
822 incs=""
823 for hdr in $headers; do
824 incs="$incs
825 #include <$hdr>"
826 done
827 check_cc "$@" <<EOF && enable_safe "$type"
828 $incs
829 $type v;
830 EOF
831 }
832
833 check_struct(){
834 log check_type "$@"
835 headers=$1
836 struct=$2
837 member=$3
838 shift 3
839 disable_safe "${struct}_${member}"
840 incs=""
841 for hdr in $headers; do
842 incs="$incs
843 #include <$hdr>"
844 done
845 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
846 $incs
847 const void *p = &(($struct *)0)->$member;
848 EOF
849 }
850
851 require(){
852 name="$1"
853 header="$2"
854 func="$3"
855 shift 3
856 check_lib $header $func "$@" || die "ERROR: $name not found"
857 }
858
859 require2(){
860 name="$1"
861 headers="$2"
862 func="$3"
863 shift 3
864 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
865 }
866
867 require_pkg_config(){
868 pkg="$1"
869 check_pkg_config "$@" || die "ERROR: $pkg not found"
870 add_cflags $(get_safe ${pkg}_cflags)
871 add_extralibs $(get_safe ${pkg}_libs)
872 }
873
874 check_host_cc(){
875 log check_host_cc "$@"
876 cat > $TMPC
877 log_file $TMPC
878 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
879 }
880
881 check_host_cflags(){
882 log check_host_cflags "$@"
883 check_host_cc "$@" <<EOF && append host_cflags "$@"
884 int x;
885 EOF
886 }
887
888 apply(){
889 file=$1
890 shift
891 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
892 }
893
894 cp_if_changed(){
895 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
896 mkdir -p "$(dirname $2)"
897 cp -f "$1" "$2"
898 }
899
900 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
901 # system-dependent things.
902
903 COMPONENT_LIST="
904 bsfs
905 decoders
906 demuxers
907 encoders
908 filters
909 hwaccels
910 indevs
911 muxers
912 outdevs
913 parsers
914 protocols
915 "
916
917 PROGRAM_LIST="
918 avconv
919 avplay
920 avprobe
921 avserver
922 "
923
924 CONFIG_LIST="
925 $COMPONENT_LIST
926 $PROGRAM_LIST
927 ac3dsp
928 avcodec
929 avdevice
930 avfilter
931 avformat
932 avisynth
933 bzlib
934 dct
935 doc
936 dwt
937 dxva2
938 fastdiv
939 fft
940 frei0r
941 gnutls
942 gpl
943 gray
944 hardcoded_tables
945 libcdio
946 libdc1394
947 libdirac
948 libfaac
949 libfreetype
950 libgsm
951 libmp3lame
952 libnut
953 libopencore_amrnb
954 libopencore_amrwb
955 libopencv
956 libopenjpeg
957 libpulse
958 librtmp
959 libschroedinger
960 libspeex
961 libtheora
962 libvo_aacenc
963 libvo_amrwbenc
964 libvorbis
965 libvpx
966 libx264
967 libxavs
968 libxvid
969 lsp
970 mdct
971 memalign_hack
972 mpegaudiodsp
973 network
974 nonfree
975 openssl
976 pic
977 rdft
978 rtpdec
979 runtime_cpudetect
980 safe_bitstream_reader
981 shared
982 sinewin
983 small
984 sram
985 static
986 swscale
987 swscale_alpha
988 thumb
989 vaapi
990 vda
991 vdpau
992 version3
993 xmm_clobber_test
994 x11grab
995 zlib
996 "
997
998 THREADS_LIST='
999 pthreads
1000 w32threads
1001 '
1002
1003 ARCH_LIST='
1004 alpha
1005 arm
1006 avr32
1007 avr32_ap
1008 avr32_uc
1009 bfin
1010 ia64
1011 m68k
1012 mips
1013 mips64
1014 parisc
1015 ppc
1016 ppc64
1017 s390
1018 sh4
1019 sparc
1020 sparc64
1021 tomi
1022 x86
1023 x86_32
1024 x86_64
1025 '
1026
1027 ARCH_EXT_LIST='
1028 altivec
1029 amd3dnow
1030 amd3dnowext
1031 armv5te
1032 armv6
1033 armv6t2
1034 armvfp
1035 avx
1036 mmi
1037 mmx
1038 mmx2
1039 neon
1040 ppc4xx
1041 sse
1042 ssse3
1043 vfpv3
1044 vis
1045 '
1046
1047 HAVE_LIST_PUB='
1048 bigendian
1049 fast_unaligned
1050 '
1051
1052 HAVE_LIST="
1053 $ARCH_EXT_LIST
1054 $HAVE_LIST_PUB
1055 $THREADS_LIST
1056 aligned_stack
1057 alsa_asoundlib_h
1058 altivec_h
1059 arpa_inet_h
1060 asm_mod_y
1061 attribute_may_alias
1062 attribute_packed
1063 closesocket
1064 cmov
1065 dcbzl
1066 dev_bktr_ioctl_bt848_h
1067 dev_bktr_ioctl_meteor_h
1068 dev_ic_bt8xx_h
1069 dev_video_bktr_ioctl_bt848_h
1070 dev_video_meteor_ioctl_meteor_h
1071 dlfcn_h
1072 dlopen
1073 dos_paths
1074 ebp_available
1075 ebx_available
1076 exp2
1077 exp2f
1078 fast_64bit
1079 fast_clz
1080 fast_cmov
1081 fcntl
1082 fork
1083 getaddrinfo
1084 gethrtime
1085 GetProcessAffinityMask
1086 GetProcessMemoryInfo
1087 GetProcessTimes
1088 getrusage
1089 gnu_as
1090 ibm_asm
1091 inet_aton
1092 inline_asm
1093 isatty
1094 ldbrx
1095 libdc1394_1
1096 libdc1394_2
1097 llrint
1098 llrintf
1099 local_aligned_16
1100 local_aligned_8
1101 localtime_r
1102 log2
1103 log2f
1104 loongson
1105 lrint
1106 lrintf
1107 machine_ioctl_bt848_h
1108 machine_ioctl_meteor_h
1109 malloc_h
1110 MapViewOfFile
1111 memalign
1112 mkstemp
1113 mmap
1114 poll_h
1115 posix_memalign
1116 round
1117 roundf
1118 sched_getaffinity
1119 sdl
1120 sdl_video_size
1121 setmode
1122 setrlimit
1123 sndio_h
1124 socklen_t
1125 soundcard_h
1126 strerror_r
1127 strptime
1128 strtok_r
1129 struct_addrinfo
1130 struct_ipv6_mreq
1131 struct_rusage_ru_maxrss
1132 struct_sockaddr_in6
1133 struct_sockaddr_sa_len
1134 struct_sockaddr_storage
1135 struct_v4l2_frmivalenum_discrete
1136 symver
1137 symver_asm_label
1138 symver_gnu_asm
1139 sysconf
1140 sysctl
1141 sys_mman_h
1142 sys_param_h
1143 sys_resource_h
1144 sys_select_h
1145 sys_soundcard_h
1146 sys_videoio_h
1147 threads
1148 trunc
1149 truncf
1150 vfp_args
1151 VirtualAlloc
1152 winsock2_h
1153 xform_asm
1154 xmm_clobbers
1155 yasm
1156 "
1157
1158 # options emitted with CONFIG_ prefix but not available on command line
1159 CONFIG_EXTRA="
1160 aandct
1161 avutil
1162 golomb
1163 gplv3
1164 h264chroma
1165 h264dsp
1166 h264pred
1167 h264qpel
1168 huffman
1169 lgplv3
1170 lpc
1171 "
1172
1173 CMDLINE_SELECT="
1174 $ARCH_EXT_LIST
1175 $CONFIG_LIST
1176 $THREADS_LIST
1177 asm
1178 cross_compile
1179 debug
1180 extra_warnings
1181 logging
1182 optimizations
1183 symver
1184 yasm
1185 "
1186
1187 PATHS_LIST='
1188 bindir
1189 datadir
1190 incdir
1191 libdir
1192 mandir
1193 prefix
1194 shlibdir
1195 '
1196
1197 CMDLINE_SET="
1198 $PATHS_LIST
1199 ar
1200 arch
1201 as
1202 build_suffix
1203 cc
1204 cpu
1205 cross_prefix
1206 dep_cc
1207 extra_version
1208 host_cc
1209 host_cflags
1210 host_ldflags
1211 host_libs
1212 host_os
1213 ld
1214 logfile
1215 malloc_prefix
1216 nm
1217 optflags
1218 pkg_config
1219 samples
1220 sysinclude
1221 sysroot
1222 target_exec
1223 target_os
1224 target_path
1225 "
1226
1227 CMDLINE_APPEND="
1228 extra_cflags
1229 "
1230
1231 # code dependency declarations
1232
1233 # architecture extensions
1234
1235 armv5te_deps="arm"
1236 armv6_deps="arm"
1237 armv6t2_deps="arm"
1238 armvfp_deps="arm"
1239 neon_deps="arm"
1240 vfpv3_deps="armvfp"
1241
1242 mmi_deps="mips"
1243
1244 altivec_deps="ppc"
1245 ppc4xx_deps="ppc"
1246
1247 vis_deps="sparc"
1248
1249 x86_64_suggest="cmov fast_cmov"
1250 amd3dnow_deps="mmx"
1251 amd3dnowext_deps="amd3dnow"
1252 mmx_deps="x86"
1253 mmx2_deps="mmx"
1254 sse_deps="mmx"
1255 ssse3_deps="sse"
1256 avx_deps="ssse3"
1257
1258 aligned_stack_if_any="ppc x86"
1259 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1260 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1261 fast_unaligned_if_any="armv6 ppc x86"
1262
1263 inline_asm_deps="!tms470"
1264 need_memalign="altivec neon sse"
1265
1266 symver_if_any="symver_asm_label symver_gnu_asm"
1267
1268 # subsystems
1269 dct_select="rdft"
1270 mdct_select="fft"
1271 rdft_select="fft"
1272 mpegaudiodsp_select="dct"
1273
1274 # decoders / encoders / hardware accelerators
1275 aac_decoder_select="mdct sinewin"
1276 aac_encoder_select="mdct sinewin"
1277 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1278 ac3_decoder_select="mdct ac3dsp ac3_parser"
1279 ac3_encoder_select="mdct ac3dsp"
1280 ac3_fixed_encoder_select="mdct ac3dsp"
1281 alac_encoder_select="lpc"
1282 amrnb_decoder_select="lsp"
1283 amrwb_decoder_select="lsp"
1284 atrac1_decoder_select="mdct sinewin"
1285 atrac3_decoder_select="mdct"
1286 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1287 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1288 cavs_decoder_select="golomb"
1289 cook_decoder_select="mdct sinewin"
1290 cscd_decoder_suggest="zlib"
1291 dca_decoder_select="mdct"
1292 dnxhd_encoder_select="aandct"
1293 dxa_decoder_select="zlib"
1294 eac3_decoder_select="ac3_decoder"
1295 eac3_encoder_select="mdct ac3dsp"
1296 eamad_decoder_select="aandct"
1297 eatgq_decoder_select="aandct"
1298 eatqi_decoder_select="aandct"
1299 ffv1_decoder_select="golomb"
1300 flac_decoder_select="golomb"
1301 flac_encoder_select="golomb lpc"
1302 flashsv_decoder_select="zlib"
1303 flashsv_encoder_select="zlib"
1304 flashsv2_decoder_select="zlib"
1305 flv_decoder_select="h263_decoder"
1306 flv_encoder_select="h263_encoder"
1307 fraps_decoder_select="huffman"
1308 h261_encoder_select="aandct"
1309 h263_decoder_select="h263_parser"
1310 h263_encoder_select="aandct"
1311 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1312 h263i_decoder_select="h263_decoder"
1313 h263p_encoder_select="h263_encoder"
1314 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1315 h264_dxva2_hwaccel_deps="dxva2api_h"
1316 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1317 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1318 h264_vda_hwaccel_select="vda h264_decoder"
1319 h264_vdpau_decoder_select="vdpau h264_decoder"
1320 imc_decoder_select="fft mdct sinewin"
1321 jpegls_decoder_select="golomb"
1322 jpegls_encoder_select="golomb"
1323 ljpeg_encoder_select="aandct"
1324 loco_decoder_select="golomb"
1325 mjpeg_encoder_select="aandct"
1326 mlp_decoder_select="mlp_parser"
1327 mp1_decoder_select="mpegaudiodsp"
1328 mp1float_decoder_select="mpegaudiodsp"
1329 mp2_decoder_select="mpegaudiodsp"
1330 mp2float_decoder_select="mpegaudiodsp"
1331 mp3_decoder_select="mpegaudiodsp"
1332 mp3adu_decoder_select="mpegaudiodsp"
1333 mp3adufloat_decoder_select="mpegaudiodsp"
1334 mp3float_decoder_select="mpegaudiodsp"
1335 mp3on4_decoder_select="mpegaudiodsp"
1336 mp3on4float_decoder_select="mpegaudiodsp"
1337 mpc7_decoder_select="mpegaudiodsp"
1338 mpc8_decoder_select="mpegaudiodsp"
1339 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1340 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1341 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1342 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1343 mpeg1video_encoder_select="aandct"
1344 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1345 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1346 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1347 mpeg2video_encoder_select="aandct"
1348 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1349 mpeg4_encoder_select="h263_encoder"
1350 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1351 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1352 msmpeg4v1_decoder_select="h263_decoder"
1353 msmpeg4v1_encoder_select="h263_encoder"
1354 msmpeg4v2_decoder_select="h263_decoder"
1355 msmpeg4v2_encoder_select="h263_encoder"
1356 msmpeg4v3_decoder_select="h263_decoder"
1357 msmpeg4v3_encoder_select="h263_encoder"
1358 nellymoser_decoder_select="mdct sinewin"
1359 nellymoser_encoder_select="mdct sinewin"
1360 png_decoder_select="zlib"
1361 png_encoder_select="zlib"
1362 qcelp_decoder_select="lsp"
1363 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1364 ra_144_encoder_select="lpc"
1365 rv10_decoder_select="h263_decoder"
1366 rv10_encoder_select="h263_encoder"
1367 rv20_decoder_select="h263_decoder"
1368 rv20_encoder_select="h263_encoder"
1369 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1370 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1371 shorten_decoder_select="golomb"
1372 sipr_decoder_select="lsp"
1373 snow_decoder_select="dwt"
1374 snow_encoder_select="aandct dwt"
1375 svq1_encoder_select="aandct"
1376 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1377 svq3_decoder_suggest="zlib"
1378 theora_decoder_select="vp3_decoder"
1379 tiff_decoder_suggest="zlib"
1380 tiff_encoder_suggest="zlib"
1381 truehd_decoder_select="mlp_decoder"
1382 tscc_decoder_select="zlib"
1383 twinvq_decoder_select="mdct lsp sinewin"
1384 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1385 vc1_dxva2_hwaccel_deps="dxva2api_h"
1386 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1387 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1388 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1389 vc1image_decoder_select="vc1_decoder"
1390 vorbis_decoder_select="mdct"
1391 vorbis_encoder_select="mdct"
1392 vp6_decoder_select="huffman"
1393 vp6a_decoder_select="vp6_decoder"
1394 vp6f_decoder_select="vp6_decoder"
1395 vp8_decoder_select="h264pred h264qpel"
1396 wmapro_decoder_select="mdct sinewin"
1397 wmav1_decoder_select="mdct sinewin"
1398 wmav1_encoder_select="mdct sinewin"
1399 wmav2_decoder_select="mdct sinewin"
1400 wmav2_encoder_select="mdct sinewin"
1401 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1402 wmv1_decoder_select="h263_decoder"
1403 wmv1_encoder_select="h263_encoder"
1404 wmv2_decoder_select="h263_decoder"
1405 wmv2_encoder_select="h263_encoder"
1406 wmv3_decoder_select="vc1_decoder"
1407 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1408 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1409 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1410 wmv3image_decoder_select="wmv3_decoder"
1411 zerocodec_decoder_select="zlib"
1412 zlib_decoder_select="zlib"
1413 zlib_encoder_select="zlib"
1414 zmbv_decoder_select="zlib"
1415 zmbv_encoder_select="zlib"
1416
1417 vaapi_deps="va_va_h"
1418 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1419 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1420
1421 # parsers
1422 h264_parser_select="golomb h264dsp h264pred"
1423
1424 # external libraries
1425 libdirac_decoder_deps="libdirac !libschroedinger"
1426 libfaac_encoder_deps="libfaac"
1427 libgsm_decoder_deps="libgsm"
1428 libgsm_encoder_deps="libgsm"
1429 libgsm_ms_decoder_deps="libgsm"
1430 libgsm_ms_encoder_deps="libgsm"
1431 libmp3lame_encoder_deps="libmp3lame"
1432 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1433 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1434 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1435 libopenjpeg_decoder_deps="libopenjpeg"
1436 libschroedinger_decoder_deps="libschroedinger"
1437 libschroedinger_encoder_deps="libschroedinger"
1438 libspeex_decoder_deps="libspeex"
1439 libspeex_encoder_deps="libspeex"
1440 libtheora_encoder_deps="libtheora"
1441 libvo_aacenc_encoder_deps="libvo_aacenc"
1442 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1443 libvorbis_encoder_deps="libvorbis"
1444 libvpx_decoder_deps="libvpx"
1445 libvpx_encoder_deps="libvpx"
1446 libx264_encoder_deps="libx264"
1447 libxavs_encoder_deps="libxavs"
1448 libxvid_encoder_deps="libxvid"
1449
1450 # demuxers / muxers
1451 ac3_demuxer_select="ac3_parser"
1452 asf_stream_muxer_select="asf_muxer"
1453 avisynth_demuxer_deps="avisynth"
1454 dirac_demuxer_select="dirac_parser"
1455 eac3_demuxer_select="ac3_parser"
1456 flac_demuxer_select="flac_parser"
1457 ipod_muxer_select="mov_muxer"
1458 libnut_demuxer_deps="libnut"
1459 libnut_muxer_deps="libnut"
1460 matroska_audio_muxer_select="matroska_muxer"
1461 matroska_demuxer_suggest="zlib bzlib"
1462 mov_demuxer_suggest="zlib"
1463 mp3_demuxer_select="mpegaudio_parser"
1464 mp4_muxer_select="mov_muxer"
1465 mpegtsraw_demuxer_select="mpegts_demuxer"
1466 mxf_d10_muxer_select="mxf_muxer"
1467 ogg_demuxer_select="golomb"
1468 psp_muxer_select="mov_muxer"
1469 rtp_demuxer_select="sdp_demuxer"
1470 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1471 rtsp_demuxer_select="http_protocol rtpdec"
1472 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1473 sap_demuxer_select="sdp_demuxer"
1474 sap_muxer_select="rtp_muxer rtp_protocol"
1475 sdp_demuxer_select="rtpdec"
1476 spdif_muxer_select="aac_parser"
1477 tg2_muxer_select="mov_muxer"
1478 tgp_muxer_select="mov_muxer"
1479 w64_demuxer_deps="wav_demuxer"
1480
1481 # indevs / outdevs
1482 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1483 alsa_outdev_deps="alsa_asoundlib_h"
1484 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1485 dv1394_indev_deps="dv1394 dv_demuxer"
1486 fbdev_indev_deps="linux_fb_h"
1487 jack_indev_deps="jack_jack_h"
1488 libcdio_indev_deps="libcdio"
1489 libdc1394_indev_deps="libdc1394"
1490 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1491 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1492 pulse_indev_deps="libpulse"
1493 sndio_indev_deps="sndio_h"
1494 sndio_outdev_deps="sndio_h"
1495 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1496 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1497 vfwcap_indev_extralibs="-lavicap32"
1498 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1499
1500 # protocols
1501 gopher_protocol_deps="network"
1502 httpproxy_protocol_deps="network"
1503 httpproxy_protocol_select="tcp_protocol"
1504 http_protocol_deps="network"
1505 http_protocol_select="tcp_protocol"
1506 https_protocol_select="tls_protocol"
1507 librtmp_protocol_deps="librtmp"
1508 librtmpe_protocol_deps="librtmp"
1509 librtmps_protocol_deps="librtmp"
1510 librtmpt_protocol_deps="librtmp"
1511 librtmpte_protocol_deps="librtmp"
1512 mmsh_protocol_select="http_protocol"
1513 mmst_protocol_deps="network"
1514 rtmp_protocol_deps="!librtmp_protocol"
1515 rtmp_protocol_select="tcp_protocol"
1516 rtp_protocol_select="udp_protocol"
1517 tcp_protocol_deps="network"
1518 tls_protocol_deps_any="openssl gnutls"
1519 tls_protocol_select="tcp_protocol"
1520 udp_protocol_deps="network"
1521
1522 # filters
1523 blackframe_filter_deps="gpl"
1524 boxblur_filter_deps="gpl"
1525 cropdetect_filter_deps="gpl"
1526 delogo_filter_deps="gpl"
1527 drawtext_filter_deps="libfreetype"
1528 frei0r_filter_deps="frei0r dlopen strtok_r"
1529 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1530 hqdn3d_filter_deps="gpl"
1531 ocv_filter_deps="libopencv"
1532 scale_filter_deps="swscale"
1533 yadif_filter_deps="gpl"
1534
1535 # libraries
1536 avdevice_deps="avcodec avformat"
1537 avformat_deps="avcodec"
1538
1539 # programs
1540 avconv_deps="avcodec avformat swscale"
1541 avplay_deps="avcodec avformat swscale sdl"
1542 avplay_select="rdft"
1543 avprobe_deps="avcodec avformat"
1544 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1545 avserver_extralibs='$ldl'
1546
1547 doc_deps="texi2html"
1548
1549 # tests
1550
1551 test_deps(){
1552 suf1=$1
1553 suf2=$2
1554 shift 2
1555 for v; do
1556 dep=${v%=*}
1557 tests=${v#*=}
1558 for name in ${tests}; do
1559 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1560 done
1561 done
1562 }
1563
1564 mxf_d10_test_deps="avfilter"
1565 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1566
1567 test_deps _encoder _decoder \
1568 adpcm_ima_qt \
1569 adpcm_ima_wav \
1570 adpcm_ms \
1571 adpcm_swf \
1572 adpcm_yamaha=adpcm_yam \
1573 alac \
1574 asv1 \
1575 asv2 \
1576 bmp \
1577 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1578 dvvideo="dv dv_411 dv50" \
1579 ffv1 \
1580 flac \
1581 flashsv \
1582 flv \
1583 adpcm_g726=g726 \
1584 gif \
1585 h261 \
1586 h263="h263 h263p" \
1587 huffyuv \
1588 jpegls \
1589 mjpeg="jpg mjpeg ljpeg" \
1590 mp2 \
1591 mpeg1video="mpeg mpeg1b" \
1592 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1593 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1594 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1595 mpeg4="mpeg4thread error rc" \
1596 msmpeg4v3=msmpeg4 \
1597 msmpeg4v2 \
1598 pbm=pbmpipe \
1599 pcx \
1600 pgm="pgm pgmpipe" \
1601 png \
1602 ppm="ppm ppmpipe" \
1603 rawvideo="rgb yuv" \
1604 roq \
1605 rv10 \
1606 rv20 \
1607 sgi \
1608 snow="snow snowll" \
1609 svq1 \
1610 targa=tga \
1611 tiff \
1612 wmav1 \
1613 wmav2 \
1614 wmv1 \
1615 wmv2 \
1616
1617 test_deps _muxer _demuxer \
1618 aiff \
1619 pcm_alaw=alaw \
1620 asf \
1621 au \
1622 avi \
1623 dv=dv_fmt \
1624 ffm \
1625 flv=flv_fmt \
1626 gxf \
1627 matroska=mkv \
1628 mmf \
1629 mov \
1630 pcm_mulaw=mulaw \
1631 mxf="mxf mxf_d10" \
1632 nut \
1633 ogg \
1634 rawvideo=pixfmt \
1635 rm \
1636 swf \
1637 mpegts=ts \
1638 voc \
1639 wav \
1640 yuv4mpegpipe=yuv4mpeg \
1641
1642 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1643 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1644
1645 # default parameters
1646
1647 logfile="config.log"
1648
1649 # installation paths
1650 prefix_default="/usr/local"
1651 bindir_default='${prefix}/bin'
1652 datadir_default='${prefix}/share/avconv'
1653 incdir_default='${prefix}/include'
1654 libdir_default='${prefix}/lib'
1655 mandir_default='${prefix}/share/man'
1656 shlibdir_default="$libdir_default"
1657
1658 # toolchain
1659 ar_default="ar"
1660 cc_default="gcc"
1661 cc_version=\"unknown\"
1662 host_cc_default="gcc"
1663 ln_s="ln -sf"
1664 nm_default="nm"
1665 objformat="elf"
1666 pkg_config_default=pkg-config
1667 ranlib="ranlib"
1668 yasmexe="yasm"
1669
1670 nm_opts='-g'
1671 nogas=":"
1672
1673 # machine
1674 arch_default=$(uname -m)
1675 cpu="generic"
1676
1677 # OS
1678 target_os_default=$(tolower $(uname -s))
1679 host_os=$target_os_default
1680
1681 # configurable options
1682 enable $PROGRAM_LIST
1683
1684 enable avcodec
1685 enable avdevice
1686 enable avfilter
1687 enable avformat
1688 enable avutil
1689 enable swscale
1690
1691 enable asm
1692 enable debug
1693 enable doc
1694 enable fastdiv
1695 enable network
1696 enable optimizations
1697 enable safe_bitstream_reader
1698 enable static
1699 enable swscale_alpha
1700
1701 # build settings
1702 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1703 AVSERVERLDFLAGS=-Wl,-E
1704 LIBPREF="lib"
1705 LIBSUF=".a"
1706 FULLNAME='$(NAME)$(BUILDSUF)'
1707 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1708 SLIBPREF="lib"
1709 SLIBSUF=".so"
1710 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1711 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1712 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1713 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1714 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1715 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1716
1717 AS_O='-o $@'
1718 CC_O='-o $@'
1719
1720 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1721 host_libs='-lm'
1722
1723 target_path='$(CURDIR)'
1724
1725 # since the object filename is not given with the -MM flag, the compiler
1726 # is only able to print the basename, and we must add the path ourselves
1727 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1728 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1729
1730 # find source path
1731 if test -f configure; then
1732 source_path=.
1733 else
1734 source_path=$(cd $(dirname "$0"); pwd)
1735 echo "$source_path" | grep -q '[[:blank:]]' &&
1736 die "Out of tree builds are impossible with whitespace in source path."
1737 test -e "$source_path/config.h" &&
1738 die "Out of tree builds are impossible with config.h in source dir."
1739 fi
1740
1741 for v in "$@"; do
1742 r=${v#*=}
1743 l=${v%"$r"}
1744 r=$(sh_quote "$r")
1745 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1746 done
1747
1748 find_things(){
1749 thing=$1
1750 pattern=$2
1751 file=$source_path/$3
1752 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1753 }
1754
1755 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1756 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1757 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1758 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1759 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1760 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1761 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1762 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1763 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1764 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1765 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1766
1767 ALL_COMPONENTS="
1768 $BSF_LIST
1769 $DECODER_LIST
1770 $DEMUXER_LIST
1771 $ENCODER_LIST
1772 $FILTER_LIST
1773 $HWACCEL_LIST
1774 $INDEV_LIST
1775 $MUXER_LIST
1776 $OUTDEV_LIST
1777 $PARSER_LIST
1778 $PROTOCOL_LIST
1779 "
1780
1781 find_tests(){
1782 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1783 }
1784
1785 ACODEC_TESTS=$(find_tests acodec)
1786 VCODEC_TESTS=$(find_tests vsynth1)
1787 LAVF_TESTS=$(find_tests lavf)
1788 LAVFI_TESTS=$(find_tests lavfi)
1789 SEEK_TESTS=$(find_tests seek seek_)
1790
1791 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1792
1793 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1794
1795 for n in $COMPONENT_LIST; do
1796 v=$(toupper ${n%s})_LIST
1797 eval enable \$$v
1798 eval ${n}_if_any="\$$v"
1799 done
1800
1801 enable $ARCH_EXT_LIST $ALL_TESTS
1802
1803 die_unknown(){
1804 echo "Unknown option \"$1\"."
1805 echo "See $0 --help for available options."
1806 exit 1
1807 }
1808
1809 show_list() {
1810 suffix=_$1
1811 shift
1812 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1813 exit 0
1814 }
1815
1816 for opt do
1817 optval="${opt#*=}"
1818 case "$opt" in
1819 --extra-ldflags=*) add_ldflags $optval
1820 ;;
1821 --extra-libs=*) add_extralibs $optval
1822 ;;
1823 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1824 ;;
1825 --enable-debug=*) debuglevel="$optval"
1826 ;;
1827 --disable-everything)
1828 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1829 ;;
1830 --enable-*=*|--disable-*=*)
1831 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1832 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1833 eval list=\$$(toupper $thing)_LIST
1834 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1835 $action $(filter "$name" $list)
1836 ;;
1837 --enable-?*|--disable-?*)
1838 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1839 if is_in $option $COMPONENT_LIST; then
1840 test $action = disable && action=unset
1841 eval $action \$$(toupper ${option%s})_LIST
1842 elif is_in $option $CMDLINE_SELECT; then
1843 $action $option
1844 else
1845 die_unknown $opt
1846 fi
1847 ;;
1848 --list-*)
1849 NAME="${opt#--list-}"
1850 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1851 NAME=${NAME%s}
1852 eval show_list $NAME \$$(toupper $NAME)_LIST
1853 ;;
1854 --help|-h) show_help
1855 ;;
1856 *)
1857 optname="${opt%%=*}"
1858 optname="${optname#--}"
1859 optname=$(echo "$optname" | sed 's/-/_/g')
1860 if is_in $optname $CMDLINE_SET; then
1861 eval $optname='$optval'
1862 elif is_in $optname $CMDLINE_APPEND; then
1863 append $optname "$optval"
1864 else
1865 die_unknown $opt
1866 fi
1867 ;;
1868 esac
1869 done
1870
1871 disabled logging && logfile=/dev/null
1872
1873 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1874 set >> $logfile
1875
1876 test -n "$cross_prefix" && enable cross_compile
1877
1878 if enabled cross_compile; then
1879 test -n "$arch" && test -n "$target_os" ||
1880 die "Must specify target arch and OS when cross-compiling"
1881 fi
1882
1883 set_default arch target_os
1884
1885 ar_default="${cross_prefix}${ar_default}"
1886 cc_default="${cross_prefix}${cc_default}"
1887 nm_default="${cross_prefix}${nm_default}"
1888 pkg_config_default="${cross_prefix}${pkg_config_default}"
1889 ranlib="${cross_prefix}${ranlib}"
1890
1891 sysinclude_default="${sysroot}/usr/include"
1892
1893 set_default cc nm pkg_config sysinclude
1894 enabled cross_compile || host_cc_default=$cc
1895 set_default host_cc
1896
1897 if ! $pkg_config --version >/dev/null 2>&1; then
1898 warn "$pkg_config not found, library detection may fail."
1899 pkg_config=false
1900 fi
1901
1902 exesuf() {
1903 case $1 in
1904 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1905 esac
1906 }
1907
1908 EXESUF=$(exesuf $target_os)
1909 HOSTEXESUF=$(exesuf $host_os)
1910
1911 # set temporary file name
1912 : ${TMPDIR:=$TEMPDIR}
1913 : ${TMPDIR:=$TMP}
1914 : ${TMPDIR:=/tmp}
1915
1916 if ! check_cmd mktemp -u XXXXXX; then
1917 # simple replacement for missing mktemp
1918 # NOT SAFE FOR GENERAL USE
1919 mktemp(){
1920 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1921 }
1922 fi
1923
1924 tmpfile(){
1925 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1926 (set -C; exec > $tmp) 2>/dev/null ||
1927 die "Unable to create temporary file in $TMPDIR."
1928 append TMPFILES $tmp
1929 eval $1=$tmp
1930 }
1931
1932 trap 'rm -f -- $TMPFILES' EXIT
1933
1934 tmpfile TMPASM .asm
1935 tmpfile TMPC .c
1936 tmpfile TMPE $EXESUF
1937 tmpfile TMPH .h
1938 tmpfile TMPO .o
1939 tmpfile TMPS .S
1940 tmpfile TMPSH .sh
1941 tmpfile TMPV .ver
1942
1943 unset -f mktemp
1944
1945 chmod +x $TMPE
1946
1947 # make sure we can execute files in $TMPDIR
1948 cat > $TMPSH 2>> $logfile <<EOF
1949 #! /bin/sh
1950 EOF
1951 chmod +x $TMPSH >> $logfile 2>&1
1952 if ! $TMPSH >> $logfile 2>&1; then
1953 cat <<EOF
1954 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1955 variable to another directory and make sure that it is not mounted noexec.
1956 EOF
1957 die "Sanity test failed."
1958 fi
1959
1960 filter_asflags=echo
1961 filter_cflags=echo
1962 filter_cppflags=echo
1963
1964 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1965 cc_type=llvm_gcc
1966 cc_version=__VERSION__
1967 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1968 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1969 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1970 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1971 speed_cflags='-O3'
1972 size_cflags='-Os'
1973 elif $cc -v 2>&1 | grep -qi ^gcc; then
1974 cc_type=gcc
1975 cc_version=__VERSION__
1976 gcc_version=$($cc --version | head -n1)
1977 gcc_basever=$($cc -dumpversion)
1978 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1979 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1980 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1981 if ! $cc -dumpversion | grep -q '^2\.'; then
1982 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1983 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1984 fi
1985 speed_cflags='-O3'
1986 size_cflags='-Os'
1987 elif $cc --version 2>/dev/null | grep -q Intel; then
1988 cc_type=icc
1989 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1990 cc_ident=$($cc --version | head -n1)
1991 icc_version=$($cc -dumpversion)
1992 CC_DEPFLAGS='-MMD'
1993 AS_DEPFLAGS='-MMD'
1994 speed_cflags='-O3'
1995 size_cflags='-Os'
1996 noopt_cflags='-O1'
1997 elif $cc -v 2>&1 | grep -q xlc; then
1998 cc_type=xlc
1999 cc_version="AV_STRINGIFY(__IBMC__)"
2000 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2001 speed_cflags='-O5'
2002 size_cflags='-O5 -qcompact'
2003 elif $cc -V 2>/dev/null | grep -q Compaq; then
2004 cc_type=ccc
2005 cc_version="AV_STRINGIFY(__DECC_VER)"
2006 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2007 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2008 debuglevel=3
2009 add_ldflags -Wl,-z,now # calls to libots crash without this
2010 speed_cflags='-fast'
2011 size_cflags='-O1'
2012 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2013 test -d "$sysroot" || die "No valid sysroot specified."
2014 cc_type=armcc
2015 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2016 cc_ident=$($cc --vsn | head -n1)
2017 armcc_conf="$PWD/armcc.conf"
2018 $cc --arm_linux_configure \
2019 --arm_linux_config_file="$armcc_conf" \
2020 --configure_sysroot="$sysroot" \
2021 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2022 die "Error creating armcc configuration file."
2023 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2024 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2025 as_default="${cross_prefix}gcc"
2026 CC_DEPFLAGS='-MMD'
2027 AS_DEPFLAGS='-MMD'
2028 speed_cflags='-O3'
2029 size_cflags='-Os'
2030 filter_asflags="filter_out -W${armcc_opt}*"
2031 elif $cc -version 2>/dev/null | grep -q TMS470; then
2032 cc_type=tms470
2033 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2034 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2035 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2036 CC_O='-fr=$(@D)'
2037 as_default="${cross_prefix}gcc"
2038 ld_default="${cross_prefix}gcc"
2039 TMPO=$(basename $TMPC .c).o
2040 append TMPFILES $TMPO
2041 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2042 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2043 AS_DEPFLAGS='-MMD'
2044 speed_cflags='-O3 -mf=5'
2045 size_cflags='-O3 -mf=2'
2046 filter_cflags=tms470_flags
2047 tms470_flags(){
2048 for flag; do
2049 case $flag in
2050 -march=*|-mcpu=*)
2051 case "${flag#*=}" in
2052 armv7-a|cortex-a*) echo -mv=7a8 ;;
2053 armv7-r|cortex-r*) echo -mv=7r4 ;;
2054 armv7-m|cortex-m*) echo -mv=7m3 ;;
2055 armv6*|arm11*) echo -mv=6 ;;
2056 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2057 echo -mv=5e ;;
2058 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2059 esac
2060 ;;
2061 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2062 -mfpu=vfp) echo --float_support=vfpv2 ;;
2063 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2064 -msoft-float) echo --float_support=vfplib ;;
2065 -O[0-3]|-mf=*) echo $flag ;;
2066 -g) echo -g -mn ;;
2067 -pds=*) echo $flag ;;
2068 esac
2069 done
2070 }
2071 elif $cc -v 2>&1 | grep -q clang; then
2072 cc_type=clang
2073 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2074 cc_version=__clang_version__ || cc_version=__VERSION__
2075 cc_ident=$($cc --version | head -n1)
2076 CC_DEPFLAGS='-MMD'
2077 AS_DEPFLAGS='-MMD'
2078 speed_cflags='-O3'
2079 size_cflags='-Os'
2080 elif $cc -V 2>&1 | grep -q Sun; then
2081 cc_type=suncc
2082 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2083 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2084 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2085 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2086 add_ldflags -xc99
2087 speed_cflags='-O5'
2088 size_cflags='-O5 -xspace'
2089 filter_cflags=suncc_flags
2090 suncc_flags(){
2091 for flag; do
2092 case $flag in
2093 -march=*|-mcpu=*)
2094 case "${flag#*=}" in
2095 native) echo -xtarget=native ;;
2096 v9|niagara) echo -xarch=sparc ;;
2097 ultrasparc) echo -xarch=sparcvis ;;
2098 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2099 i586|pentium) echo -xchip=pentium ;;
2100 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2101 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2102 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2103 pentium4*) echo -xtarget=pentium4 ;;
2104 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2105 *-sse3) echo -xarch=sse3 ;;
2106 core2) echo -xarch=ssse3 -xchip=core2 ;;
2107 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2108 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2109 k8|opteron|athlon64|athlon-fx)
2110 echo -xarch=sse2a ;;
2111 athlon*) echo -xarch=pentium_proa ;;
2112 esac
2113 ;;
2114 -std=c99) echo -xc99 ;;
2115 -fomit-frame-pointer) echo -xregs=frameptr ;;
2116 -fPIC) echo -KPIC -xcode=pic32 ;;
2117 -W*,*) echo $flag ;;
2118 -f*-*|-W*) ;;
2119 *) echo $flag ;;
2120 esac
2121 done
2122 }
2123 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2124 cc_type=pathscale
2125 cc_version=__PATHSCALE__
2126 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2127 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2128 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2129 speed_cflags='-O2'
2130 size_cflags='-Os'
2131 filter_cflags='filter_out -Wdisabled-optimization'
2132 elif $cc -v 2>&1 | grep -q Open64; then
2133 cc_type=open64
2134 cc_version=__OPEN64__
2135 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2136 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2137 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2138 speed_cflags='-O2'
2139 size_cflags='-Os'
2140 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2141 fi
2142
2143 test -n "$cc_type" && enable $cc_type ||
2144 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2145
2146 : ${as_default:=$cc}
2147 : ${dep_cc_default:=$cc}
2148 : ${ld_default:=$cc}
2149 set_default ar as dep_cc ld
2150
2151 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2152 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2153
2154 add_cflags $extra_cflags
2155 add_asflags $extra_cflags
2156
2157 if test -n "$sysroot"; then
2158 case "$cc_type" in
2159 gcc|llvm_gcc|clang)
2160 add_cppflags --sysroot="$sysroot"
2161 add_ldflags --sysroot="$sysroot"
2162 ;;
2163 tms470)
2164 add_cppflags -I"$sysinclude"
2165 add_ldflags --sysroot="$sysroot"
2166 ;;
2167 esac
2168 fi
2169
2170 if test "$cpu" = host; then
2171 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2172
2173 case "$cc_type" in
2174 gcc|llvm_gcc)
2175 check_native(){
2176 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2177 sed -n "/cc1.*$1=/{
2178 s/.*$1=\\([^ ]*\\).*/\\1/
2179 p
2180 q
2181 }" $TMPE
2182 }
2183 cpu=$(check_native -march || check_native -mcpu)
2184 ;;
2185 esac
2186
2187 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2188 fi
2189
2190 # Deal with common $arch aliases
2191 case "$arch" in
2192 arm*)
2193 arch="arm"
2194 ;;
2195 mips|mipsel|IP*)
2196 arch="mips"
2197 ;;
2198 mips64*)
2199 arch="mips"
2200 subarch="mips64"
2201 ;;
2202 parisc|hppa)
2203 arch="parisc"
2204 ;;
2205 parisc64|hppa64)
2206 arch="parisc"
2207 subarch="parisc64"
2208 ;;
2209 "Power Macintosh"|ppc|powerpc)
2210 arch="ppc"
2211 ;;
2212 ppc64|powerpc64)
2213 arch="ppc"
2214 subarch="ppc64"
2215 ;;
2216 s390|s390x)
2217 arch="s390"
2218 ;;
2219 sh4|sh)
2220 arch="sh4"
2221 ;;
2222 sun4u|sparc64)
2223 arch="sparc"
2224 subarch="sparc64"
2225 ;;
2226 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2227 arch="x86"
2228 ;;
2229 esac
2230
2231 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2232 enable $arch
2233
2234 # Add processor-specific flags
2235 if test "$cpu" = generic; then
2236 : do nothing
2237 elif enabled ppc; then
2238
2239 case $(tolower $cpu) in
2240 601|ppc601|powerpc601)
2241 cpuflags="-mcpu=601"
2242 disable altivec
2243 ;;
2244 603*|ppc603*|powerpc603*)
2245 cpuflags="-mcpu=603"
2246 disable altivec
2247 ;;
2248 604*|ppc604*|powerpc604*)
2249 cpuflags="-mcpu=604"
2250 disable altivec
2251 ;;
2252 g3|75*|ppc75*|powerpc75*)
2253 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2254 disable altivec
2255 ;;
2256 g4|745*|ppc745*|powerpc745*)
2257 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2258 ;;
2259 74*|ppc74*|powerpc74*)
2260 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2261 ;;
2262 g5|970|ppc970|powerpc970|power4*)
2263 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2264 ;;
2265 cell)
2266 cpuflags="-mcpu=cell"
2267 enable ldbrx
2268 ;;
2269 e500v2)
2270 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2271 disable altivec
2272 ;;
2273 e500)
2274 cpuflags="-mcpu=8540 -mhard-float"
2275 disable altivec
2276 ;;
2277 esac
2278
2279 elif enabled x86; then
2280
2281 case $cpu in
2282 i[345]86|pentium)
2283 cpuflags="-march=$cpu"
2284 disable mmx
2285 ;;
2286 # targets that do NOT support conditional mov (cmov)
2287 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2288 cpuflags="-march=$cpu"
2289 disable cmov
2290 ;;
2291 # targets that do support conditional mov (cmov)
2292 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2293 cpuflags="-march=$cpu"
2294 enable cmov
2295 enable fast_cmov
2296 ;;
2297 # targets that do support conditional mov but on which it's slow
2298 pentium4|pentium4m|prescott|nocona)
2299 cpuflags="-march=$cpu"
2300 enable cmov
2301 disable fast_cmov
2302 ;;
2303 esac
2304
2305 elif enabled sparc; then
2306
2307 case $cpu in
2308 niagara)
2309 cpuflags="-mcpu=$cpu"
2310 disable vis
2311 ;;
2312 sparc64)
2313 cpuflags="-mcpu=v9"
2314 ;;
2315 esac
2316
2317 elif enabled arm; then
2318
2319 case $cpu in
2320 armv*)
2321 cpuflags="-march=$cpu"
2322 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2323 ;;
2324 *)
2325 cpuflags="-mcpu=$cpu"
2326 case $cpu in
2327 cortex-a*) subarch=armv7a ;;
2328 cortex-r*) subarch=armv7r ;;
2329 cortex-m*) enable thumb; subarch=armv7m ;;
2330 arm11*) subarch=armv6 ;;
2331 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2332 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2333 esac
2334 ;;
2335 esac
2336
2337 elif enabled alpha; then
2338
2339 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2340
2341 elif enabled bfin; then
2342
2343 cpuflags="-mcpu=$cpu"
2344
2345 elif enabled mips; then
2346
2347 cpuflags="-march=$cpu"
2348
2349 elif enabled avr32; then
2350
2351 case $cpu in
2352 ap7[02]0[0-2])
2353 subarch="avr32_ap"
2354 cpuflags="-mpart=$cpu"
2355 ;;
2356 ap)
2357 subarch="avr32_ap"
2358 cpuflags="-march=$cpu"
2359 ;;
2360 uc3[ab]*)
2361 subarch="avr32_uc"
2362 cpuflags="-mcpu=$cpu"
2363 ;;
2364 uc)
2365 subarch="avr32_uc"
2366 cpuflags="-march=$cpu"
2367 ;;
2368 esac
2369
2370 fi
2371
2372 add_cflags $cpuflags
2373 add_asflags $cpuflags
2374
2375 # compiler sanity check
2376 check_exec <<EOF
2377 int main(void){ return 0; }
2378 EOF
2379 if test "$?" != 0; then
2380 echo "$cc is unable to create an executable file."
2381 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2382 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2383 echo "Only do this if you know what cross compiling means."
2384 fi
2385 die "C compiler test failed."
2386 fi
2387
2388 add_cppflags -D_ISOC99_SOURCE
2389 check_cflags -std=c99
2390 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2391 #include <stdlib.h>
2392 EOF
2393 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2394 #include <stdlib.h>
2395 EOF
2396
2397 check_host_cflags -std=c99
2398 check_host_cflags -Wall
2399
2400 case "$arch" in
2401 alpha|ia64|mips|parisc|sparc)
2402 spic=$shared
2403 ;;
2404 x86)
2405 subarch="x86_32"
2406 check_cc <<EOF && subarch="x86_64"
2407 int test[(int)sizeof(char*) - 7];
2408 EOF
2409 if test "$subarch" = "x86_64"; then
2410 spic=$shared
2411 fi
2412 ;;
2413 esac
2414
2415 enable $subarch
2416 enabled spic && enable pic
2417
2418 # OS specific
2419 case $target_os in
2420 haiku)
2421 prefix_default="/boot/common"
2422 network_extralibs="-lnetwork"
2423 host_libs=
2424 ;;
2425 sunos)
2426 AVSERVERLDFLAGS=""
2427 SHFLAGS='-shared -Wl,-h,$$(@F)'
2428 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2429 network_extralibs="-lsocket -lnsl"
2430 add_cppflags -D__EXTENSIONS__
2431 # When using suncc to build, the Solaris linker will mark
2432 # an executable with each instruction set encountered by
2433 # the Solaris assembler. As our libraries contain their own
2434 # guards for processor-specific code, instead suppress
2435 # generation of the HWCAPS ELF section on Solaris x86 only.
2436 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2437 nm_opts='-P -g'
2438 ;;
2439 netbsd)
2440 disable symver
2441 oss_indev_extralibs="-lossaudio"
2442 oss_outdev_extralibs="-lossaudio"
2443 ;;
2444 openbsd)
2445 enable malloc_aligned
2446 # On OpenBSD 4.5. the compiler does not use PIC unless
2447 # explicitly using -fPIC. Libav builds fine without PIC,
2448 # however the generated executable will not do anything
2449 # (simply quits with exit-code 1, no crash, no output).
2450 # Thus explicitly enable PIC here.
2451 enable pic
2452 disable symver
2453 SHFLAGS='-shared'
2454 oss_indev_extralibs="-lossaudio"
2455 oss_outdev_extralibs="-lossaudio"
2456 ;;
2457 dragonfly)
2458 enable malloc_aligned
2459 disable symver
2460 ;;
2461 freebsd)
2462 enable malloc_aligned
2463 ;;
2464 bsd/os)
2465 add_extralibs -lpoll -lgnugetopt
2466 ;;
2467 darwin)
2468 enable malloc_aligned
2469 gas="gas-preprocessor.pl $cc"
2470 enabled ppc && add_asflags -force_cpusubtype_ALL
2471 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2472 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2473 add_ldflags -Wl,-dynamic,-search_paths_first
2474 SLIBSUF=".dylib"
2475 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2476 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2477 AVSERVERLDFLAGS=-Wl,-bind_at_load
2478 objformat="macho"
2479 enabled x86_64 && objformat="macho64"
2480 enabled_any pic shared ||
2481 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2482 ;;
2483 mingw32*)
2484 if test $target_os = "mingw32ce"; then
2485 disable network
2486 else
2487 target_os=mingw32
2488 fi
2489 LIBTARGET=i386
2490 if enabled x86_64; then
2491 enable malloc_aligned
2492 LIBTARGET="i386:x86-64"
2493 elif enabled arm; then
2494 LIBTARGET=arm-wince
2495 fi
2496 shlibdir_default="$bindir_default"
2497 SLIBPREF=""
2498 SLIBSUF=".dll"
2499 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2500 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2501 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2502 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2503 SLIB_INSTALL_LINKS=
2504 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2505 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2506 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'
2507 objformat="win32"
2508 dlltool="${cross_prefix}dlltool"
2509 enable dos_paths
2510 check_cflags -fno-common
2511 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2512 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2513 die "ERROR: MinGW runtime version must be >= 3.15."
2514 add_cppflags -U__STRICT_ANSI__
2515 ;;
2516 cygwin*)
2517 target_os=cygwin
2518 shlibdir_default="$bindir_default"
2519 SLIBPREF="cyg"
2520 SLIBSUF=".dll"
2521 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2522 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2523 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2524 objformat="win32"
2525 enable dos_paths
2526 check_cflags -fno-common
2527 add_cppflags -U__STRICT_ANSI__
2528 ;;
2529 *-dos|freedos|opendos)
2530 network_extralibs="-lsocket"
2531 objformat="coff"
2532 enable dos_paths
2533 add_cppflags -U__STRICT_ANSI__
2534 ;;
2535 linux)
2536 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2537 enable dv1394
2538 ;;
2539 irix*)
2540 target_os=irix
2541 ranlib="echo ignoring ranlib"
2542 ;;
2543 os/2*)
2544 ln_s="cp -f"
2545 objformat="aout"
2546 add_cppflags -D_GNU_SOURCE
2547 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2548 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2549 AVSERVERLDFLAGS=""
2550 LIBSUF="_s.a"
2551 SLIBPREF=""
2552 SLIBSUF=".dll"
2553 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2554 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2555 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2556 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2557 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2558 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2559 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2560 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2561 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2562 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2563 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2564 enable dos_paths
2565 ;;
2566 gnu/kfreebsd)
2567 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2568 ;;
2569 gnu)
2570 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2571 ;;
2572 qnx)
2573 add_cppflags -D_QNX_SOURCE
2574 network_extralibs="-lsocket"
2575 ;;
2576 symbian)
2577 SLIBSUF=".dll"
2578 enable dos_paths
2579 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2580 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2581 add_ldflags -Wl,--target1-abs,--no-undefined \
2582 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2583 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2584 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2585 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2586 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2587 ;;
2588 none)
2589 ;;
2590 *)
2591 die "Unknown OS '$target_os'."
2592 ;;
2593 esac
2594
2595 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2596
2597 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2598
2599 set_default $PATHS_LIST
2600
2601 # we need to build at least one lib type
2602 if ! enabled_any static shared; then
2603 cat <<EOF
2604 At least one library type must be built.
2605 Specify --enable-static to build the static libraries or --enable-shared to
2606 build the shared libraries as well. To only build the shared libraries specify
2607 --disable-static in addition to --enable-shared.
2608 EOF
2609 exit 1;
2610 fi
2611
2612 die_license_disabled() {
2613 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2614 }
2615
2616 die_license_disabled gpl libcdio
2617 die_license_disabled gpl libx264
2618 die_license_disabled gpl libxavs
2619 die_license_disabled gpl libxvid
2620 die_license_disabled gpl x11grab
2621
2622 die_license_disabled nonfree libfaac
2623 die_license_disabled nonfree openssl
2624
2625 die_license_disabled version3 libopencore_amrnb
2626 die_license_disabled version3 libopencore_amrwb
2627 die_license_disabled version3 libvo_aacenc
2628 die_license_disabled version3 libvo_amrwbenc
2629
2630 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2631
2632 disabled optimizations || check_cflags -fomit-frame-pointer
2633
2634 enable_pic() {
2635 enable pic
2636 add_cppflags -DPIC
2637 add_cflags -fPIC
2638 add_asflags -fPIC
2639 }
2640
2641 enabled pic && enable_pic
2642
2643 check_cc <<EOF || die "Symbol mangling check failed."
2644 int ff_extern;
2645 EOF
2646 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2647 extern_prefix=${sym%%ff_extern*}
2648
2649 check_cc <<EOF && enable inline_asm
2650 void foo(void) { __asm__ volatile ("" ::); }
2651 EOF
2652
2653 _restrict=
2654 for restrict_keyword in restrict __restrict__ __restrict; do
2655 check_cc <<EOF && _restrict=$restrict_keyword && break
2656 void foo(char * $restrict_keyword p);
2657 EOF
2658 done
2659
2660 check_cc <<EOF && enable attribute_packed
2661 struct { int x; } __attribute__((packed)) x;
2662 EOF
2663
2664 check_cc <<EOF && enable attribute_may_alias
2665 union { int x; } __attribute__((may_alias)) x;
2666 EOF
2667
2668 check_cc <<EOF || die "endian test failed"
2669 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2670 EOF
2671 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2672
2673 if enabled alpha; then
2674
2675 check_cflags -mieee
2676
2677 elif enabled arm; then
2678
2679 enabled thumb && check_cflags -mthumb || check_cflags -marm
2680 nogas=die
2681
2682 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2683 enable vfp_args
2684 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2685 case "${cross_prefix:-$cc}" in
2686 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2687 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2688 __asm__ (".eabi_attribute 28, 1");
2689 int main(void) { return 0; }
2690 EOF
2691 esac
2692 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2693 fi
2694
2695 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2696 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2697 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2698 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2699 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2700 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2701
2702 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2703
2704 enabled_all armv6t2 shared !pic && enable_pic
2705
2706 elif enabled mips; then
2707
2708 check_asm loongson '"dmult.g $1, $2, $3"'
2709 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2710
2711 elif enabled ppc; then
2712
2713 enable local_aligned_8 local_aligned_16
2714
2715 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2716 check_asm ibm_asm '"add 0, 0, 0"'
2717 check_asm ppc4xx '"maclhw r10, r11, r12"'
2718 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2719
2720 # AltiVec flags: The FSF version of GCC differs from the Apple version
2721 if enabled altivec; then
2722 nogas=warn
2723 check_cflags -maltivec -mabi=altivec &&
2724 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2725 check_cflags -faltivec
2726
2727 # check if our compiler supports Motorola AltiVec C API
2728 check_cc <<EOF || disable altivec
2729 $inc_altivec_h
2730 int main(void) {
2731 vector signed int v1, v2, v3;
2732 v1 = vec_add(v2,v3);
2733 return 0;
2734 }
2735 EOF
2736
2737 # check if our compiler supports braces for vector declarations
2738 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2739 $inc_altivec_h
2740 int main (void) { (vector int) {1}; return 0; }
2741 EOF
2742 fi
2743
2744 elif enabled sparc; then
2745
2746 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2747 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2748
2749 elif enabled x86; then
2750
2751 enable local_aligned_8 local_aligned_16
2752
2753 # check whether EBP is available on x86
2754 # As 'i' is stored on the stack, this program will crash
2755 # if the base pointer is used to access it because the
2756 # base pointer is cleared in the inline assembly code.
2757 check_exec_crash <<EOF && enable ebp_available
2758 volatile int i=0;
2759 __asm__ volatile (
2760 "xorl %%ebp, %%ebp"
2761 ::: "%ebp");
2762 return i;
2763 EOF
2764
2765 # check whether EBX is available on x86
2766 check_asm ebx_available '""::"b"(0)' &&
2767 check_asm ebx_available '"":::"%ebx"'
2768
2769 # check whether xmm clobbers are supported
2770 check_asm xmm_clobbers '"":::"%xmm0"'
2771
2772 # check whether binutils is new enough to compile SSSE3/MMX2
2773 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2774 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2775
2776 if ! disabled_any asm mmx yasm; then
2777 if check_cmd $yasmexe --version; then
2778 enabled x86_64 && yasm_extra="-m amd64"
2779 yasm_debug="-g dwarf2"
2780 elif check_cmd nasm -v; then
2781 yasmexe=nasm
2782 yasm_debug="-g -F dwarf"
2783 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2784 fi
2785
2786 YASMFLAGS="-f $objformat $yasm_extra"
2787 enabled pic && append YASMFLAGS "-DPIC"
2788 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2789 case "$objformat" in
2790 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2791 esac
2792
2793 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2794 die "yasm not found, use --disable-yasm for a crippled build"
2795 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2796 fi
2797
2798 case "$cpu" in
2799 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2800 disable fast_clz
2801 ;;
2802 esac
2803
2804 fi
2805
2806 if enabled asm; then
2807 as=${gas:=$as}
2808 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2809 $nogas "GNU assembler not found, install gas-preprocessor"
2810 fi
2811
2812 check_ldflags -Wl,--as-needed
2813
2814 if check_func dlopen; then
2815 ldl=
2816 elif check_func dlopen -ldl; then
2817 ldl=-ldl
2818 fi
2819
2820 if enabled network; then
2821 check_type "sys/types.h sys/socket.h" socklen_t
2822 check_type netdb.h "struct addrinfo"
2823 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2824 check_type netinet/in.h "struct sockaddr_in6"
2825 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2826 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2827 # Prefer arpa/inet.h over winsock2
2828 if check_header arpa/inet.h ; then
2829 check_func closesocket
2830 elif check_header winsock2.h ; then
2831 check_func_headers winsock2.h closesocket -lws2 && \
2832 network_extralibs="-lws2" || \
2833 { check_func_headers winsock2.h closesocket -lws2_32 && \
2834 network_extralibs="-lws2_32"; }
2835 check_type ws2tcpip.h socklen_t
2836 check_type ws2tcpip.h "struct addrinfo"
2837 check_type ws2tcpip.h "struct ipv6_mreq"
2838 check_type ws2tcpip.h "struct sockaddr_in6"
2839 check_type ws2tcpip.h "struct sockaddr_storage"
2840 check_struct winsock2.h "struct sockaddr" sa_len
2841 else
2842 disable network
2843 fi
2844 fi
2845
2846 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2847 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2848
2849 check_func fcntl
2850 check_func fork
2851 check_func getaddrinfo $network_extralibs
2852 check_func gethrtime
2853 check_func getrusage
2854 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2855 check_func inet_aton $network_extralibs
2856 check_func isatty
2857 check_func localtime_r
2858 check_func ${malloc_prefix}memalign && enable memalign
2859 check_func mkstemp
2860 check_func mmap
2861 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2862 check_func setrlimit
2863 check_func strerror_r
2864 check_func strptime
2865 check_func strtok_r
2866 check_func sched_getaffinity
2867 check_func sysconf
2868 check_func sysctl
2869 check_func_headers io.h setmode
2870 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2871 check_func_headers windows.h GetProcessAffinityMask
2872 check_func_headers windows.h GetProcessTimes
2873 check_func_headers windows.h MapViewOfFile
2874 check_func_headers windows.h VirtualAlloc
2875
2876 check_header dlfcn.h
2877 check_header dxva2api.h
2878 check_header malloc.h
2879 check_header poll.h
2880 check_header sys/mman.h
2881 check_header sys/param.h
2882 check_header sys/resource.h
2883 check_header sys/select.h
2884 check_header vdpau/vdpau.h
2885 check_header vdpau/vdpau_x11.h
2886 check_header X11/extensions/XvMClib.h
2887
2888 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2889 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2890
2891 if ! disabled w32threads && ! enabled pthreads; then
2892 check_func _beginthreadex && enable w32threads
2893 fi
2894
2895 # check for some common methods of building with pthread support
2896 # do this before the optional library checks as some of them require pthreads
2897 if ! disabled pthreads && ! enabled w32threads; then
2898 enable pthreads
2899 if check_func pthread_create; then
2900 :
2901 elif check_func pthread_create -pthread; then
2902 add_cflags -pthread
2903 add_extralibs -pthread
2904 elif check_func pthread_create -pthreads; then
2905 add_cflags -pthreads
2906 add_extralibs -pthreads
2907 elif check_func pthread_create -lpthreadGC2; then
2908 add_extralibs -lpthreadGC2
2909 elif ! check_lib pthread.h pthread_create -lpthread; then
2910 disable pthreads
2911 fi
2912 fi
2913
2914 for thread in $THREADS_LIST; do
2915 if enabled $thread; then
2916 test -n "$thread_type" &&
2917 die "ERROR: Only one thread type must be selected." ||
2918 thread_type="$thread"
2919 fi
2920 done
2921
2922 check_lib math.h sin -lm && LIBM="-lm"
2923 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2924
2925 check_mathfunc exp2
2926 check_mathfunc exp2f
2927 check_mathfunc llrint
2928 check_mathfunc llrintf
2929 check_mathfunc log2
2930 check_mathfunc log2f
2931 check_mathfunc lrint
2932 check_mathfunc lrintf
2933 check_mathfunc round
2934 check_mathfunc roundf
2935 check_mathfunc trunc
2936 check_mathfunc truncf
2937
2938 # these are off by default, so fail if requested and not available
2939 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2940 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2941 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2942 enabled libdirac && require_pkg_config dirac \
2943 "libdirac_decoder/dirac_parser.h" \
2944 "dirac_decoder_init"
2945 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2946 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2947 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2948 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2949 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2950 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2951 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2952 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2953 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2954 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2955 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2956 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2957 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2958 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2959 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2960 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2961 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2962 enabled libvpx && {
2963 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2964 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2965 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2966 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2967 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2968 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2969 die "ERROR: libx264 version must be >= 0.118."; }
2970 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2971 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2972 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2973 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2974 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2975 die "ERROR: openssl not found"; }
2976
2977 # libdc1394 check
2978 if enabled libdc1394; then
2979 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2980 enable libdc1394_2; } ||
2981 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2982 enable libdc1394_1; } ||
2983 die "ERROR: No version of libdc1394 found "
2984 fi
2985
2986 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2987 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2988 enable sdl &&
2989 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2990 fi
2991
2992 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2993
2994 check_header linux/fb.h
2995 check_header linux/videodev2.h
2996 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2997
2998 check_header sys/videoio.h
2999
3000 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$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 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3029 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3030 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3031
3032 # check for VDA header
3033 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3034 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3035 fi
3036
3037 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3038 check_cpp_condition \
3039 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3040 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3041 disable vdpau; }
3042 fi
3043
3044 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3045
3046 # add some useful compiler flags if supported
3047 check_cflags -Wdeclaration-after-statement
3048 check_cflags -Wall
3049 check_cflags -Wno-parentheses
3050 check_cflags -Wno-switch
3051 check_cflags -Wno-format-zero-length
3052 check_cflags -Wdisabled-optimization
3053 check_cflags -Wpointer-arith
3054 check_cflags -Wredundant-decls
3055 check_cflags -Wno-pointer-sign
3056 check_cflags -Wcast-qual
3057 check_cflags -Wwrite-strings
3058 check_cflags -Wtype-limits
3059 check_cflags -Wundef
3060 check_cflags -Wmissing-prototypes
3061 check_cflags -Wstrict-prototypes
3062 enabled extra_warnings && check_cflags -Winline
3063
3064 # add some linker flags
3065 check_ldflags -Wl,--warn-common
3066 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3067 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3068
3069 enabled xmm_clobber_test && \
3070 check_ldflags -Wl,--wrap,avcodec_open2 \
3071 -Wl,--wrap,avcodec_decode_audio4 \
3072 -Wl,--wrap,avcodec_decode_video2 \
3073 -Wl,--wrap,avcodec_decode_subtitle2 \
3074 -Wl,--wrap,avcodec_encode_audio2 \
3075 -Wl,--wrap,avcodec_encode_video \
3076 -Wl,--wrap,avcodec_encode_subtitle \
3077 -Wl,--wrap,sws_scale || \
3078 disable xmm_clobber_test
3079
3080 echo "X{};" > $TMPV
3081 if test_ldflags -Wl,--version-script,$TMPV; then
3082 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3083 check_cc <<EOF && enable symver_asm_label
3084 void ff_foo(void) __asm__ ("av_foo@VERSION");
3085 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3086 EOF
3087 check_cc <<EOF && enable symver_gnu_asm
3088 __asm__(".symver ff_foo,av_foo@VERSION");
3089 void ff_foo(void) {}
3090 EOF
3091 fi
3092
3093 if [ -n "$optflags" ]; then
3094 add_cflags $optflags
3095 elif enabled small; then
3096 add_cflags $size_cflags
3097 elif enabled optimizations; then
3098 add_cflags $speed_cflags
3099 else
3100 add_cflags $noopt_cflags
3101 fi
3102 check_cflags -fno-math-errno
3103 check_cflags -fno-signed-zeros
3104
3105 if enabled icc; then
3106 # Just warnings, no remarks
3107 check_cflags -w1
3108 # -wd: Disable following warnings
3109 # 144, 167, 556: -Wno-pointer-sign
3110 # 1292: attribute "foo" ignored
3111 # 10006: ignoring unknown option -fno-signed-zeros
3112 # 10148: ignoring unknown option -Wno-parentheses
3113 # 10156: ignoring option '-W'; no argument required
3114 check_cflags -wd144,167,556,1292,10006,10148,10156
3115 # 11030: Warning unknown option --as-needed
3116 # 10156: ignoring option '-export'; no argument required
3117 check_ldflags -wd10156,11030
3118 # Allow to compile with optimizations
3119 check_ldflags -march=$cpu
3120 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3121 enable ebp_available
3122 if enabled x86_32; then
3123 test ${icc_version%%.*} -ge 11 && \
3124 check_cflags -falign-stack=maintain-16-byte || \
3125 disable aligned_stack
3126 fi
3127 elif enabled ccc; then
3128 # disable some annoying warnings
3129 add_cflags -msg_disable cvtu32to64
3130 add_cflags -msg_disable embedcomment
3131 add_cflags -msg_disable needconstext
3132 add_cflags -msg_disable nomainieee
3133 add_cflags -msg_disable ptrmismatch1
3134 add_cflags -msg_disable unreachcode
3135 elif enabled gcc; then
3136 check_cflags -fno-tree-vectorize
3137 check_cflags -Werror=implicit-function-declaration
3138 check_cflags -Werror=missing-prototypes
3139 check_cflags -Werror=declaration-after-statement
3140 elif enabled llvm_gcc; then
3141 check_cflags -mllvm -stack-alignment=16
3142 elif enabled clang; then
3143 check_cflags -mllvm -stack-alignment=16
3144 check_cflags -Qunused-arguments
3145 elif enabled armcc; then
3146 # 2523: use of inline assembler is deprecated
3147 add_cflags -W${armcc_opt},--diag_suppress=2523
3148 add_cflags -W${armcc_opt},--diag_suppress=1207
3149 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3150 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3151 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3152 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3153 elif enabled tms470; then
3154 add_cflags -pds=824 -pds=837
3155 elif enabled pathscale; then
3156 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3157 fi
3158
3159 enabled_any $THREADS_LIST && enable threads
3160
3161 check_deps $CONFIG_LIST \
3162 $CONFIG_EXTRA \
3163 $HAVE_LIST \
3164 $ALL_COMPONENTS \
3165 $ALL_TESTS \
3166
3167 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3168
3169 ! enabled_any memalign posix_memalign malloc_aligned &&
3170 enabled_any $need_memalign && enable memalign_hack
3171
3172 echo "install prefix $prefix"
3173 echo "source path $source_path"
3174 echo "C compiler $cc"
3175 echo "ARCH $arch ($cpu)"
3176 if test "$build_suffix" != ""; then
3177 echo "build suffix $build_suffix"
3178 fi
3179 if test "$extra_version" != ""; then
3180 echo "version string suffix $extra_version"
3181 fi
3182 echo "big-endian ${bigendian-no}"
3183 echo "runtime cpu detection ${runtime_cpudetect-no}"
3184 if enabled x86; then
3185 echo "${yasmexe} ${yasm-no}"
3186 echo "MMX enabled ${mmx-no}"
3187 echo "MMX2 enabled ${mmx2-no}"
3188 echo "3DNow! enabled ${amd3dnow-no}"
3189 echo "3DNow! extended enabled ${amd3dnowext-no}"
3190 echo "SSE enabled ${sse-no}"
3191 echo "SSSE3 enabled ${ssse3-no}"
3192 echo "AVX enabled ${avx-no}"
3193 echo "CMOV enabled ${cmov-no}"
3194 echo "CMOV is fast ${fast_cmov-no}"
3195 echo "EBX available ${ebx_available-no}"
3196 echo "EBP available ${ebp_available-no}"
3197 fi
3198 if enabled arm; then
3199 echo "ARMv5TE enabled ${armv5te-no}"
3200 echo "ARMv6 enabled ${armv6-no}"
3201 echo "ARMv6T2 enabled ${armv6t2-no}"
3202 echo "ARM VFP enabled ${armvfp-no}"
3203 echo "NEON enabled ${neon-no}"
3204 fi
3205 if enabled mips; then
3206 echo "MMI enabled ${mmi-no}"
3207 fi
3208 if enabled ppc; then
3209 echo "AltiVec enabled ${altivec-no}"
3210 echo "PPC 4xx optimizations ${ppc4xx-no}"
3211 echo "dcbzl available ${dcbzl-no}"
3212 fi
3213 if enabled sparc; then
3214 echo "VIS enabled ${vis-no}"
3215 fi
3216 echo "debug symbols ${debug-no}"
3217 echo "optimize for size ${small-no}"
3218 echo "optimizations ${optimizations-no}"
3219 echo "static ${static-no}"
3220 echo "shared ${shared-no}"
3221 echo "new filter support ${avfilter-no}"
3222 echo "network support ${network-no}"
3223 echo "threading support ${thread_type-no}"
3224 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3225 echo "SDL support ${sdl-no}"
3226 echo "libdxva2 enabled ${dxva2-no}"
3227 echo "libva enabled ${vaapi-no}"
3228 echo "libvdpau enabled ${vdpau-no}"
3229 echo "AVISynth enabled ${avisynth-no}"
3230 echo "frei0r enabled ${frei0r-no}"
3231 echo "gnutls enabled ${gnutls-no}"
3232 echo "libcdio support ${libcdio-no}"
3233 echo "libdc1394 support ${libdc1394-no}"
3234 echo "libdirac enabled ${libdirac-no}"
3235 echo "libfaac enabled ${libfaac-no}"
3236 echo "libgsm enabled ${libgsm-no}"
3237 echo "libmp3lame enabled ${libmp3lame-no}"
3238 echo "libnut enabled ${libnut-no}"
3239 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3240 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3241 echo "libopencv support ${libopencv-no}"
3242 echo "libopenjpeg enabled ${libopenjpeg-no}"
3243 echo "libpulse enabled ${libpulse-no}"
3244 echo "librtmp enabled ${librtmp-no}"
3245 echo "libschroedinger enabled ${libschroedinger-no}"
3246 echo "libspeex enabled ${libspeex-no}"
3247 echo "libtheora enabled ${libtheora-no}"
3248 echo "libvo-aacenc support ${libvo_aacenc-no}"
3249 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3250 echo "libvorbis enabled ${libvorbis-no}"
3251 echo "libvpx enabled ${libvpx-no}"
3252 echo "libx264 enabled ${libx264-no}"
3253 echo "libxavs enabled ${libxavs-no}"
3254 echo "libxvid enabled ${libxvid-no}"
3255 echo "openssl enabled ${openssl-no}"
3256 echo "zlib enabled ${zlib-no}"
3257 echo "bzlib enabled ${bzlib-no}"
3258 echo
3259
3260 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3261 echo "Enabled ${type}s:"
3262 eval list=\$$(toupper $type)_LIST
3263 print_enabled '_*' $list | sort | pr -r -3 -t
3264 echo
3265 done
3266
3267 license="LGPL version 2.1 or later"
3268 if enabled nonfree; then
3269 license="nonfree and unredistributable"
3270 elif enabled gplv3; then
3271 license="GPL version 3 or later"
3272 elif enabled lgplv3; then
3273 license="LGPL version 3 or later"
3274 elif enabled gpl; then
3275 license="GPL version 2 or later"
3276 fi
3277
3278 echo "License: $license"
3279
3280 echo "Creating config.mak and config.h..."
3281
3282 test -e Makefile || $ln_s "$source_path/Makefile" .
3283
3284 config_files="$TMPH config.mak"
3285
3286 cat > config.mak <<EOF
3287 # Automatically generated by configure - do not modify!
3288 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3289 prefix=$prefix
3290 LIBDIR=\$(DESTDIR)$libdir
3291 SHLIBDIR=\$(DESTDIR)$shlibdir
3292 INCDIR=\$(DESTDIR)$incdir
3293 BINDIR=\$(DESTDIR)$bindir
3294 DATADIR=\$(DESTDIR)$datadir
3295 MANDIR=\$(DESTDIR)$mandir
3296 SRC_PATH=$source_path
3297 CC_IDENT=$cc_ident
3298 ARCH=$arch
3299 CC=$cc
3300 AS=$as
3301 LD=$ld
3302 DEPCC=$dep_cc
3303 YASM=$yasmexe
3304 YASMDEP=$yasmexe
3305 AR=$ar
3306 RANLIB=$ranlib
3307 LN_S=$ln_s
3308 CPPFLAGS=$CPPFLAGS
3309 CFLAGS=$CFLAGS
3310 ASFLAGS=$ASFLAGS
3311 AS_O=$CC_O
3312 CC_O=$CC_O
3313 DLLTOOL=$dlltool
3314 LDFLAGS=$LDFLAGS
3315 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3316 SHFLAGS=$SHFLAGS
3317 YASMFLAGS=$YASMFLAGS
3318 BUILDSUF=$build_suffix
3319 FULLNAME=$FULLNAME
3320 LIBPREF=$LIBPREF
3321 LIBSUF=$LIBSUF
3322 LIBNAME=$LIBNAME
3323 SLIBPREF=$SLIBPREF
3324 SLIBSUF=$SLIBSUF
3325 EXESUF=$EXESUF
3326 EXTRA_VERSION=$extra_version
3327 DEPFLAGS=$DEPFLAGS
3328 CCDEP=$CCDEP
3329 ASDEP=$ASDEP
3330 CC_DEPFLAGS=$CC_DEPFLAGS
3331 AS_DEPFLAGS=$AS_DEPFLAGS
3332 HOSTCC=$host_cc
3333 HOSTCFLAGS=$host_cflags
3334 HOSTEXESUF=$HOSTEXESUF
3335 HOSTLDFLAGS=$host_ldflags
3336 HOSTLIBS=$host_libs
3337 TARGET_EXEC=$target_exec
3338 TARGET_PATH=$target_path
3339 SDL_LIBS=$sdl_libs
3340 SDL_CFLAGS=$sdl_cflags
3341 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3342 EXTRALIBS=$extralibs
3343 INSTALL=install
3344 LIBTARGET=${LIBTARGET}
3345 SLIBNAME=${SLIBNAME}
3346 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3347 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3348 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3349 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3350 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3351 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3352 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3353 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3354 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3355 EOF
3356
3357 get_version(){
3358 name=$1
3359 file=$source_path/$2
3360 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3361 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3362 lcname=$(tolower $name)
3363 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3364 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3365 }
3366
3367 get_version LIBAVCODEC libavcodec/version.h
3368 get_version LIBAVDEVICE libavdevice/avdevice.h
3369 get_version LIBAVFILTER libavfilter/version.h
3370 get_version LIBAVFORMAT libavformat/version.h
3371 get_version LIBAVUTIL libavutil/avutil.h
3372 get_version LIBSWSCALE libswscale/swscale.h
3373
3374 cat > $TMPH <<EOF
3375 /* Automatically generated by configure - do not modify! */
3376 #ifndef LIBAV_CONFIG_H
3377 #define LIBAV_CONFIG_H
3378 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3379 #define LIBAV_LICENSE "$(c_escape $license)"
3380 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3381 #define CC_TYPE "$cc_type"
3382 #define CC_VERSION $cc_version
3383 #define restrict $_restrict
3384 #define EXTERN_PREFIX "${extern_prefix}"
3385 #define EXTERN_ASM ${extern_prefix}
3386 #define SLIBSUF "$SLIBSUF"
3387 EOF
3388
3389 test -n "$malloc_prefix" &&
3390 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3391
3392 if enabled small || disabled optimizations; then
3393 echo "#undef av_always_inline" >> $TMPH
3394 if enabled small; then
3395 echo "#define av_always_inline inline" >> $TMPH
3396 else
3397 echo "#define av_always_inline av_unused" >> $TMPH
3398 fi
3399 fi
3400
3401 if enabled yasm; then
3402 append config_files $TMPASM
3403 printf '' >$TMPASM
3404 fi
3405
3406 print_config ARCH_ "$config_files" $ARCH_LIST
3407 print_config HAVE_ "$config_files" $HAVE_LIST
3408 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3409 $CONFIG_EXTRA \
3410 $ALL_COMPONENTS \
3411
3412 cat >>config.mak <<EOF
3413 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3414 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3415 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3416 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3417 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3418 EOF
3419
3420 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3421
3422 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3423 cp_if_changed $TMPH config.h
3424 touch .config
3425
3426 enabled yasm && cp_if_changed $TMPASM config.asm
3427
3428 cat > $TMPH <<EOF
3429 /* Generated by ffconf */
3430 #ifndef AVUTIL_AVCONFIG_H
3431 #define AVUTIL_AVCONFIG_H
3432 EOF
3433
3434 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3435
3436 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3437
3438 cp_if_changed $TMPH libavutil/avconfig.h
3439
3440 test -n "$WARNINGS" && printf "\n$WARNINGS"
3441
3442 # build pkg-config files
3443
3444 pkgconfig_generate(){
3445 name=$1
3446 shortname=${name#lib}${build_suffix}
3447 comment=$2
3448 version=$3
3449 libs=$4
3450 requires=$5
3451 enabled ${name#lib} || return 0
3452 mkdir -p $name
3453 cat <<EOF > $name/$name.pc
3454 prefix=$prefix
3455 exec_prefix=\${prefix}
3456 libdir=$libdir
3457 includedir=$incdir
3458
3459 Name: $name
3460 Description: $comment
3461 Version: $version
3462 Requires: $(enabled shared || echo $requires)
3463 Requires.private: $(enabled shared && echo $requires)
3464 Conflicts:
3465 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3466 Libs.private: $(enabled shared && echo $libs)
3467 Cflags: -I\${includedir}
3468 EOF
3469 cat <<EOF > $name/$name-uninstalled.pc
3470 prefix=
3471 exec_prefix=
3472 libdir=\${pcfiledir}
3473 includedir=${source_path}
3474
3475 Name: $name
3476 Description: $comment
3477 Version: $version
3478 Requires: $requires
3479 Conflicts:
3480 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3481 Cflags: -I\${includedir}
3482 EOF
3483 }
3484
3485 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3486 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3487 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3488 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3489 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3490 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"