configure: add dl to frei0r extralibs.
[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-mdct disable MDCT code
119 --disable-rdft disable RDFT code
120 --disable-fft disable FFT code
121 --enable-dxva2 enable DXVA2 code
122 --enable-vaapi enable VAAPI code
123 --enable-vda enable VDA code
124 --enable-vdpau enable VDPAU code
125
126 Individual component options:
127 --disable-everything disable all components listed below
128 --disable-encoder=NAME disable encoder NAME
129 --enable-encoder=NAME enable encoder NAME
130 --disable-encoders disable all encoders
131 --disable-decoder=NAME disable decoder NAME
132 --enable-decoder=NAME enable decoder NAME
133 --disable-decoders disable all decoders
134 --disable-hwaccel=NAME disable hwaccel NAME
135 --enable-hwaccel=NAME enable hwaccel NAME
136 --disable-hwaccels disable all hwaccels
137 --disable-muxer=NAME disable muxer NAME
138 --enable-muxer=NAME enable muxer NAME
139 --disable-muxers disable all muxers
140 --disable-demuxer=NAME disable demuxer NAME
141 --enable-demuxer=NAME enable demuxer NAME
142 --disable-demuxers disable all demuxers
143 --enable-parser=NAME enable parser NAME
144 --disable-parser=NAME disable parser NAME
145 --disable-parsers disable all parsers
146 --enable-bsf=NAME enable bitstream filter NAME
147 --disable-bsf=NAME disable bitstream filter NAME
148 --disable-bsfs disable all bitstream filters
149 --enable-protocol=NAME enable protocol NAME
150 --disable-protocol=NAME disable protocol NAME
151 --disable-protocols disable all protocols
152 --enable-indev=NAME enable input device NAME
153 --disable-indev=NAME disable input device NAME
154 --disable-indevs disable input devices
155 --enable-outdev=NAME enable output device NAME
156 --disable-outdev=NAME disable output device NAME
157 --disable-outdevs disable output devices
158 --disable-devices disable all devices
159 --enable-filter=NAME enable filter NAME
160 --disable-filter=NAME disable filter NAME
161 --disable-filters disable all filters
162
163 External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-frei0r enable frei0r video filtering
167 --enable-gnutls enable gnutls [no]
168 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
169 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
170 --enable-libopencv enable video filtering via libopencv [no]
171 --enable-libcdio enable audio CD grabbing with libcdio
172 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
173 and libraw1394 [no]
174 --enable-libdirac enable Dirac support via libdirac [no]
175 --enable-libfaac enable FAAC support via libfaac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM support via libgsm [no]
178 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
179 --enable-libnut enable NUT (de)muxing via libnut,
180 native (de)muxer exists [no]
181 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
182 --enable-libpulse enable Pulseaudio input via libpulse [no]
183 --enable-librtmp enable RTMP[E] support via librtmp [no]
184 --enable-libschroedinger enable Dirac support via libschroedinger [no]
185 --enable-libspeex enable Speex support via libspeex [no]
186 --enable-libtheora enable Theora encoding via libtheora [no]
187 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
188 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
189 --enable-libvorbis enable Vorbis encoding via libvorbis,
190 native implementation exists [no]
191 --enable-libvpx enable VP8 support via libvpx [no]
192 --enable-libx264 enable H.264 encoding via x264 [no]
193 --enable-libxavs enable AVS encoding via xavs [no]
194 --enable-libxvid enable Xvid encoding via xvidcore,
195 native MPEG-4/Xvid encoder exists [no]
196 --enable-openssl enable openssl [no]
197 --enable-zlib enable zlib [autodetect]
198
199 Advanced options (experts only):
200 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
201 --enable-cross-compile assume a cross-compiler is used
202 --sysroot=PATH root of cross-build tree
203 --sysinclude=PATH location of cross-build system headers
204 --target-os=OS compiler targets OS [$target_os]
205 --target-exec=CMD command to run executables on target
206 --target-path=DIR path to view of build directory on target
207 --nm=NM use nm tool
208 --ar=AR use archive tool AR [$ar_default]
209 --as=AS use assembler AS [$as_default]
210 --cc=CC use C compiler CC [$cc_default]
211 --ld=LD use linker LD
212 --host-cc=HOSTCC use host C compiler HOSTCC
213 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
214 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
215 --host-libs=HLIBS use libs HLIBS when linking for host
216 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
217 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
218 --extra-libs=ELIBS add ELIBS [$ELIBS]
219 --extra-version=STRING version string suffix []
220 --optflags override optimization-related compiler flags
221 --build-suffix=SUFFIX library name suffix []
222 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --enable-pic build position-independent code
227 --enable-sram allow use of on-chip SRAM
228 --disable-symver disable symbol versioning
229 --disable-fastdiv disable table-based division
230 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
231 --disable-safe-bitstream-reader
232 disable buffer boundary checking in bitreaders
233 (faster, but may crash)
234 --enable-memalign-hack emulate memalign, interferes with memory debuggers
235
236 Optimization options (experts only):
237 --disable-asm disable all assembler optimizations
238 --disable-altivec disable AltiVec optimizations
239 --disable-amd3dnow disable 3DNow! optimizations
240 --disable-amd3dnowext disable 3DNow! extended optimizations
241 --disable-mmx disable MMX optimizations
242 --disable-mmx2 disable MMX2 optimizations
243 --disable-sse disable SSE optimizations
244 --disable-ssse3 disable SSSE3 optimizations
245 --disable-avx disable AVX optimizations
246 --disable-armv5te disable armv5te optimizations
247 --disable-armv6 disable armv6 optimizations
248 --disable-armv6t2 disable armv6t2 optimizations
249 --disable-armvfp disable ARM VFP optimizations
250 --disable-mmi disable MMI optimizations
251 --disable-neon disable NEON optimizations
252 --disable-vis disable VIS optimizations
253 --disable-yasm disable use of yasm assembler
254
255 Developer options (useful when working on Libav itself):
256 --disable-debug disable debugging symbols
257 --enable-debug=LEVEL set the debug level [$debuglevel]
258 --disable-optimizations disable compiler optimizations
259 --enable-extra-warnings enable more compiler warnings
260 --samples=PATH location of test samples for FATE, if not set use
261 \$FATE_SAMPLES at make invocation time.
262 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
263 should be used only for debugging purposes)
264
265 NOTE: Object files are built at the place where configure is launched.
266 EOF
267 exit 0
268 }
269
270 quotes='""'
271
272 log(){
273 echo "$@" >> $logfile
274 }
275
276 log_file(){
277 log BEGIN $1
278 pr -n -t $1 >> $logfile
279 log END $1
280 }
281
282 echolog(){
283 log "$@"
284 echo "$@"
285 }
286
287 warn(){
288 log "WARNING: $*"
289 WARNINGS="${WARNINGS}WARNING: $*\n"
290 }
291
292 die(){
293 echolog "$@"
294 cat <<EOF
295
296 If you think configure made a mistake, make sure you are using the latest
297 version from Git. If the latest version fails, report the problem to the
298 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
299 EOF
300 if disabled logging; then
301 cat <<EOF
302 Rerun configure with logging enabled (do not use --disable-logging), and
303 include the log this produces with your report.
304 EOF
305 else
306 cat <<EOF
307 Include the log file "$logfile" produced by configure as this will help
308 solving the problem.
309 EOF
310 fi
311 exit 1
312 }
313
314 # Avoid locale weirdness, besides we really just want to translate ASCII.
315 toupper(){
316 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
317 }
318
319 tolower(){
320 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
321 }
322
323 c_escape(){
324 echo "$*" | sed 's/["\\]/\\\0/g'
325 }
326
327 sh_quote(){
328 v=$(echo "$1" | sed "s/'/'\\\\''/g")
329 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
330 echo "$v"
331 }
332
333 cleanws(){
334 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
335 }
336
337 filter(){
338 pat=$1
339 shift
340 for v; do
341 eval "case $v in $pat) echo $v ;; esac"
342 done
343 }
344
345 filter_out(){
346 pat=$1
347 shift
348 for v; do
349 eval "case $v in $pat) ;; *) echo $v ;; esac"
350 done
351 }
352
353 map(){
354 m=$1
355 shift
356 for v; do eval $m; done
357 }
358
359 set_all(){
360 value=$1
361 shift
362 for var in $*; do
363 eval $var=$value
364 done
365 }
366
367 set_weak(){
368 value=$1
369 shift
370 for var; do
371 eval : \${$var:=$value}
372 done
373 }
374
375 set_safe(){
376 var=$1
377 shift
378 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
379 }
380
381 get_safe(){
382 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
383 }
384
385 pushvar(){
386 for var in $*; do
387 eval level=\${${var}_level:=0}
388 eval ${var}_${level}="\$$var"
389 eval ${var}_level=$(($level+1))
390 done
391 }
392
393 popvar(){
394 for var in $*; do
395 eval level=\${${var}_level:-0}
396 test $level = 0 && continue
397 eval level=$(($level-1))
398 eval $var="\${${var}_${level}}"
399 eval ${var}_level=$level
400 eval unset ${var}_${level}
401 done
402 }
403
404 enable(){
405 set_all yes $*
406 }
407
408 disable(){
409 set_all no $*
410 }
411
412 enable_weak(){
413 set_weak yes $*
414 }
415
416 disable_weak(){
417 set_weak no $*
418 }
419
420 enable_safe(){
421 for var; do
422 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 disable_safe(){
427 for var; do
428 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429 done
430 }
431
432 do_enable_deep(){
433 for var; do
434 enabled $var && continue
435 eval sel="\$${var}_select"
436 eval sgs="\$${var}_suggest"
437 pushvar var sgs
438 enable_deep $sel
439 popvar sgs
440 enable_deep_weak $sgs
441 popvar var
442 done
443 }
444
445 enable_deep(){
446 do_enable_deep $*
447 enable $*
448 }
449
450 enable_deep_weak(){
451 do_enable_deep $*
452 enable_weak $*
453 }
454
455 enabled(){
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xyes"
458 }
459
460 disabled(){
461 test "${1#!}" = "$1" && op== || op=!=
462 eval test "x\$${1#!}" $op "xno"
463 }
464
465 enabled_all(){
466 for opt; do
467 enabled $opt || return 1
468 done
469 }
470
471 disabled_all(){
472 for opt; do
473 disabled $opt || return 1
474 done
475 }
476
477 enabled_any(){
478 for opt; do
479 enabled $opt && return 0
480 done
481 }
482
483 disabled_any(){
484 for opt; do
485 disabled $opt && return 0
486 done
487 return 1
488 }
489
490 set_default(){
491 for opt; do
492 eval : \${$opt:=\$${opt}_default}
493 done
494 }
495
496 is_in(){
497 value=$1
498 shift
499 for var in $*; do
500 [ $var = $value ] && return 0
501 done
502 return 1
503 }
504
505 check_deps(){
506 for cfg; do
507 cfg="${cfg#!}"
508 enabled ${cfg}_checking && die "Circular dependency for $cfg."
509 disabled ${cfg}_checking && continue
510 enable ${cfg}_checking
511
512 eval dep_all="\$${cfg}_deps"
513 eval dep_any="\$${cfg}_deps_any"
514 eval dep_sel="\$${cfg}_select"
515 eval dep_sgs="\$${cfg}_suggest"
516 eval dep_ifa="\$${cfg}_if"
517 eval dep_ifn="\$${cfg}_if_any"
518
519 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
521 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
522
523 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
524 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
525 enabled_all $dep_all || disable $cfg
526 enabled_any $dep_any || disable $cfg
527 disabled_any $dep_sel && disable $cfg
528
529 if enabled $cfg; then
530 eval dep_extralibs="\$${cfg}_extralibs"
531 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
532 enable_deep $dep_sel
533 enable_deep_weak $dep_sgs
534 fi
535
536 disable ${cfg}_checking
537 done
538 }
539
540 print_config_h(){
541 enabled $1 && v=1 || v=0
542 echo "#define $2 $v"
543 }
544
545 print_config_mak(){
546 enabled $1 && v= || v=!
547 echo "$v$2=yes"
548 }
549
550 print_config_asm(){
551 enabled $1 && v=1 || v=0
552 echo "%define $2 $v"
553 }
554
555 print_config(){
556 pfx=$1
557 files=$2
558 shift 2
559 for cfg; do
560 ucname="$(toupper $cfg)"
561 for f in $files; do
562 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
563 done
564 done
565 }
566
567 print_enabled(){
568 test "$1" = -n && end=" " && shift || end="\n"
569 suf=$1
570 shift
571 for v; do
572 enabled $v && printf "%s$end" ${v%$suf};
573 done
574 }
575
576 append(){
577 var=$1
578 shift
579 eval "$var=\"\$$var $*\""
580 }
581
582 prepend(){
583 var=$1
584 shift
585 eval "$var=\"$* \$$var\""
586 }
587
588 add_cppflags(){
589 append CPPFLAGS $($filter_cppflags "$@")
590 }
591
592 add_cflags(){
593 append CFLAGS $($filter_cflags "$@")
594 }
595
596 add_asflags(){
597 append ASFLAGS $($filter_asflags "$@")
598 }
599
600 add_ldflags(){
601 append LDFLAGS "$@"
602 }
603
604 add_extralibs(){
605 prepend extralibs "$@"
606 }
607
608 check_cmd(){
609 log "$@"
610 "$@" >> $logfile 2>&1
611 }
612
613 check_cc(){
614 log check_cc "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
618 }
619
620 check_cpp(){
621 log check_cpp "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
625 }
626
627 check_as(){
628 log check_as "$@"
629 cat > $TMPC
630 log_file $TMPC
631 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
632 }
633
634 check_asm(){
635 log check_asm "$@"
636 name="$1"
637 code="$2"
638 shift 2
639 disable $name
640 check_as "$@" <<EOF && enable $name
641 void foo(void){ __asm__ volatile($code); }
642 EOF
643 }
644
645 check_yasm(){
646 log check_yasm "$@"
647 echo "$1" > $TMPS
648 log_file $TMPS
649 shift 1
650 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
651 }
652
653 check_ld(){
654 log check_ld "$@"
655 flags=''
656 libs=''
657 for f; do
658 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
659 done
660 check_cc $($filter_cflags $flags) || return
661 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
662 }
663
664 check_cppflags(){
665 log check_cppflags "$@"
666 set -- $($filter_cppflags "$@")
667 check_cc "$@" <<EOF && append CPPFLAGS "$@"
668 int x;
669 EOF
670 }
671
672 check_cflags(){
673 log check_cflags "$@"
674 set -- $($filter_cflags "$@")
675 check_cc "$@" <<EOF && append CFLAGS "$@"
676 int x;
677 EOF
678 }
679
680 test_ldflags(){
681 log test_ldflags "$@"
682 check_ld "$@" <<EOF
683 int main(void){ return 0; }
684 EOF
685 }
686
687 check_ldflags(){
688 log check_ldflags "$@"
689 test_ldflags "$@" && add_ldflags "$@"
690 }
691
692 check_header(){
693 log check_header "$@"
694 header=$1
695 shift
696 disable_safe $header
697 check_cpp "$@" <<EOF && enable_safe $header
698 #include <$header>
699 int x;
700 EOF
701 }
702
703 check_func(){
704 log check_func "$@"
705 func=$1
706 shift
707 disable $func
708 check_ld "$@" <<EOF && enable $func
709 extern int $func();
710 int main(void){ $func(); }
711 EOF
712 }
713
714 check_mathfunc(){
715 log check_mathfunc "$@"
716 func=$1
717 shift
718 disable $func
719 check_ld "$@" <<EOF && enable $func
720 #include <math.h>
721 float foo(float f) { return $func(f); }
722 int main(void){ return 0; }
723 EOF
724 }
725
726 check_func_headers(){
727 log check_func_headers "$@"
728 headers=$1
729 funcs=$2
730 shift 2
731 {
732 for hdr in $headers; do
733 echo "#include <$hdr>"
734 done
735 for func in $funcs; do
736 echo "long check_$func(void) { return (long) $func; }"
737 done
738 echo "int main(void) { return 0; }"
739 } | check_ld "$@" && enable $funcs && enable_safe $headers
740 }
741
742 check_cpp_condition(){
743 log check_cpp_condition "$@"
744 header=$1
745 condition=$2
746 shift 2
747 check_cpp $($filter_cppflags "$@") <<EOF
748 #include <$header>
749 #if !($condition)
750 #error "unsatisfied condition: $condition"
751 #endif
752 EOF
753 }
754
755 check_lib(){
756 log check_lib "$@"
757 header="$1"
758 func="$2"
759 shift 2
760 check_header $header && check_func $func "$@" && add_extralibs "$@"
761 }
762
763 check_lib2(){
764 log check_lib2 "$@"
765 headers="$1"
766 funcs="$2"
767 shift 2
768 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
769 }
770
771 check_pkg_config(){
772 log check_pkg_config "$@"
773 pkg="$1"
774 headers="$2"
775 funcs="$3"
776 shift 3
777 $pkg_config --exists $pkg || return
778 pkg_cflags=$($pkg_config --cflags $pkg)
779 pkg_libs=$($pkg_config --libs $pkg)
780 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
781 set_safe ${pkg}_cflags $pkg_cflags &&
782 set_safe ${pkg}_libs $pkg_libs
783 }
784
785 check_exec(){
786 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
787 }
788
789 check_exec_crash(){
790 code=$(cat)
791
792 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
793 # are safe but may not be available everywhere. Thus we use
794 # raise(SIGTERM) instead. The check is run in a subshell so we
795 # can redirect the "Terminated" message from the shell. SIGBUS
796 # is not defined by standard C so it is used conditionally.
797
798 (check_exec "$@") >> $logfile 2>&1 <<EOF
799 #include <signal.h>
800 static void sighandler(int sig){
801 raise(SIGTERM);
802 }
803 int main(void){
804 signal(SIGILL, sighandler);
805 signal(SIGFPE, sighandler);
806 signal(SIGSEGV, sighandler);
807 #ifdef SIGBUS
808 signal(SIGBUS, sighandler);
809 #endif
810 { $code }
811 }
812 EOF
813 }
814
815 check_type(){
816 log check_type "$@"
817 headers=$1
818 type=$2
819 shift 2
820 disable_safe "$type"
821 incs=""
822 for hdr in $headers; do
823 incs="$incs
824 #include <$hdr>"
825 done
826 check_cc "$@" <<EOF && enable_safe "$type"
827 $incs
828 $type v;
829 EOF
830 }
831
832 check_struct(){
833 log check_type "$@"
834 headers=$1
835 struct=$2
836 member=$3
837 shift 3
838 disable_safe "${struct}_${member}"
839 incs=""
840 for hdr in $headers; do
841 incs="$incs
842 #include <$hdr>"
843 done
844 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
845 $incs
846 const void *p = &(($struct *)0)->$member;
847 EOF
848 }
849
850 require(){
851 name="$1"
852 header="$2"
853 func="$3"
854 shift 3
855 check_lib $header $func "$@" || die "ERROR: $name not found"
856 }
857
858 require2(){
859 name="$1"
860 headers="$2"
861 func="$3"
862 shift 3
863 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
864 }
865
866 require_pkg_config(){
867 pkg="$1"
868 check_pkg_config "$@" || die "ERROR: $pkg not found"
869 add_cflags $(get_safe ${pkg}_cflags)
870 add_extralibs $(get_safe ${pkg}_libs)
871 }
872
873 check_host_cc(){
874 log check_host_cc "$@"
875 cat > $TMPC
876 log_file $TMPC
877 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
878 }
879
880 check_host_cflags(){
881 log check_host_cflags "$@"
882 check_host_cc "$@" <<EOF && append host_cflags "$@"
883 int x;
884 EOF
885 }
886
887 apply(){
888 file=$1
889 shift
890 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
891 }
892
893 cp_if_changed(){
894 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
895 mkdir -p "$(dirname $2)"
896 cp -f "$1" "$2"
897 }
898
899 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
900 # system-dependent things.
901
902 COMPONENT_LIST="
903 bsfs
904 decoders
905 demuxers
906 encoders
907 filters
908 hwaccels
909 indevs
910 muxers
911 outdevs
912 parsers
913 protocols
914 "
915
916 PROGRAM_LIST="
917 avconv
918 avplay
919 avprobe
920 avserver
921 "
922
923 CONFIG_LIST="
924 $COMPONENT_LIST
925 $PROGRAM_LIST
926 ac3dsp
927 avcodec
928 avdevice
929 avfilter
930 avformat
931 avisynth
932 bzlib
933 dct
934 doc
935 dwt
936 dxva2
937 fastdiv
938 fft
939 frei0r
940 gnutls
941 gpl
942 gray
943 hardcoded_tables
944 libcdio
945 libdc1394
946 libdirac
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lsp
969 mdct
970 memalign_hack
971 mpegaudiodsp
972 network
973 nonfree
974 openssl
975 pic
976 rdft
977 rtpdec
978 runtime_cpudetect
979 safe_bitstream_reader
980 shared
981 sinewin
982 small
983 sram
984 static
985 swscale
986 swscale_alpha
987 thumb
988 vaapi
989 vda
990 vdpau
991 version3
992 xmm_clobber_test
993 x11grab
994 zlib
995 "
996
997 THREADS_LIST='
998 pthreads
999 w32threads
1000 '
1001
1002 ARCH_LIST='
1003 alpha
1004 arm
1005 avr32
1006 avr32_ap
1007 avr32_uc
1008 bfin
1009 ia64
1010 m68k
1011 mips
1012 mips64
1013 parisc
1014 ppc
1015 ppc64
1016 s390
1017 sh4
1018 sparc
1019 sparc64
1020 tomi
1021 x86
1022 x86_32
1023 x86_64
1024 '
1025
1026 ARCH_EXT_LIST='
1027 altivec
1028 amd3dnow
1029 amd3dnowext
1030 armv5te
1031 armv6
1032 armv6t2
1033 armvfp
1034 avx
1035 mmi
1036 mmx
1037 mmx2
1038 neon
1039 ppc4xx
1040 sse
1041 ssse3
1042 vfpv3
1043 vis
1044 '
1045
1046 HAVE_LIST_PUB='
1047 bigendian
1048 fast_unaligned
1049 '
1050
1051 HAVE_LIST="
1052 $ARCH_EXT_LIST
1053 $HAVE_LIST_PUB
1054 $THREADS_LIST
1055 aligned_stack
1056 alsa_asoundlib_h
1057 altivec_h
1058 arpa_inet_h
1059 asm_mod_y
1060 attribute_may_alias
1061 attribute_packed
1062 closesocket
1063 cmov
1064 dcbzl
1065 dev_bktr_ioctl_bt848_h
1066 dev_bktr_ioctl_meteor_h
1067 dev_ic_bt8xx_h
1068 dev_video_bktr_ioctl_bt848_h
1069 dev_video_meteor_ioctl_meteor_h
1070 dlfcn_h
1071 dlopen
1072 dos_paths
1073 ebp_available
1074 ebx_available
1075 exp2
1076 exp2f
1077 fast_64bit
1078 fast_clz
1079 fast_cmov
1080 fcntl
1081 fork
1082 getaddrinfo
1083 gethrtime
1084 GetProcessAffinityMask
1085 GetProcessMemoryInfo
1086 GetProcessTimes
1087 getrusage
1088 gnu_as
1089 ibm_asm
1090 inet_aton
1091 inline_asm
1092 isatty
1093 ldbrx
1094 libdc1394_1
1095 libdc1394_2
1096 llrint
1097 llrintf
1098 local_aligned_16
1099 local_aligned_8
1100 localtime_r
1101 log2
1102 log2f
1103 loongson
1104 lrint
1105 lrintf
1106 machine_ioctl_bt848_h
1107 machine_ioctl_meteor_h
1108 malloc_h
1109 MapViewOfFile
1110 memalign
1111 mkstemp
1112 mmap
1113 poll_h
1114 posix_memalign
1115 round
1116 roundf
1117 sched_getaffinity
1118 sdl
1119 sdl_video_size
1120 setmode
1121 setrlimit
1122 sndio_h
1123 socklen_t
1124 soundcard_h
1125 strerror_r
1126 strptime
1127 strtok_r
1128 struct_addrinfo
1129 struct_ipv6_mreq
1130 struct_rusage_ru_maxrss
1131 struct_sockaddr_in6
1132 struct_sockaddr_sa_len
1133 struct_sockaddr_storage
1134 struct_v4l2_frmivalenum_discrete
1135 symver
1136 symver_asm_label
1137 symver_gnu_asm
1138 sysconf
1139 sysctl
1140 sys_mman_h
1141 sys_param_h
1142 sys_resource_h
1143 sys_select_h
1144 sys_soundcard_h
1145 sys_videoio_h
1146 threads
1147 trunc
1148 truncf
1149 vfp_args
1150 VirtualAlloc
1151 winsock2_h
1152 xform_asm
1153 xmm_clobbers
1154 yasm
1155 "
1156
1157 # options emitted with CONFIG_ prefix but not available on command line
1158 CONFIG_EXTRA="
1159 aandct
1160 avutil
1161 golomb
1162 gplv3
1163 h264chroma
1164 h264dsp
1165 h264pred
1166 h264qpel
1167 huffman
1168 lgplv3
1169 lpc
1170 "
1171
1172 CMDLINE_SELECT="
1173 $ARCH_EXT_LIST
1174 $CONFIG_LIST
1175 $THREADS_LIST
1176 asm
1177 cross_compile
1178 debug
1179 extra_warnings
1180 logging
1181 optimizations
1182 symver
1183 yasm
1184 "
1185
1186 PATHS_LIST='
1187 bindir
1188 datadir
1189 incdir
1190 libdir
1191 mandir
1192 prefix
1193 shlibdir
1194 '
1195
1196 CMDLINE_SET="
1197 $PATHS_LIST
1198 ar
1199 arch
1200 as
1201 build_suffix
1202 cc
1203 cpu
1204 cross_prefix
1205 dep_cc
1206 extra_version
1207 host_cc
1208 host_cflags
1209 host_ldflags
1210 host_libs
1211 host_os
1212 ld
1213 logfile
1214 malloc_prefix
1215 nm
1216 optflags
1217 pkg_config
1218 samples
1219 sysinclude
1220 sysroot
1221 target_exec
1222 target_os
1223 target_path
1224 "
1225
1226 CMDLINE_APPEND="
1227 extra_cflags
1228 "
1229
1230 # code dependency declarations
1231
1232 # architecture extensions
1233
1234 armv5te_deps="arm"
1235 armv6_deps="arm"
1236 armv6t2_deps="arm"
1237 armvfp_deps="arm"
1238 neon_deps="arm"
1239 vfpv3_deps="armvfp"
1240
1241 mmi_deps="mips"
1242
1243 altivec_deps="ppc"
1244 ppc4xx_deps="ppc"
1245
1246 vis_deps="sparc"
1247
1248 x86_64_suggest="cmov fast_cmov"
1249 amd3dnow_deps="mmx"
1250 amd3dnowext_deps="amd3dnow"
1251 mmx_deps="x86"
1252 mmx2_deps="mmx"
1253 sse_deps="mmx"
1254 ssse3_deps="sse"
1255 avx_deps="ssse3"
1256
1257 aligned_stack_if_any="ppc x86"
1258 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1259 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1260 fast_unaligned_if_any="armv6 ppc x86"
1261
1262 inline_asm_deps="!tms470"
1263 need_memalign="altivec neon sse"
1264
1265 symver_if_any="symver_asm_label symver_gnu_asm"
1266
1267 # subsystems
1268 dct_select="rdft"
1269 mdct_select="fft"
1270 rdft_select="fft"
1271 mpegaudiodsp_select="dct"
1272
1273 # decoders / encoders / hardware accelerators
1274 aac_decoder_select="mdct sinewin"
1275 aac_encoder_select="mdct sinewin"
1276 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1277 ac3_decoder_select="mdct ac3dsp ac3_parser"
1278 ac3_encoder_select="mdct ac3dsp"
1279 ac3_fixed_encoder_select="mdct ac3dsp"
1280 alac_encoder_select="lpc"
1281 amrnb_decoder_select="lsp"
1282 amrwb_decoder_select="lsp"
1283 atrac1_decoder_select="mdct sinewin"
1284 atrac3_decoder_select="mdct"
1285 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1286 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1287 cavs_decoder_select="golomb"
1288 cook_decoder_select="mdct sinewin"
1289 cscd_decoder_suggest="zlib"
1290 dca_decoder_select="mdct"
1291 dnxhd_encoder_select="aandct"
1292 dxa_decoder_select="zlib"
1293 eac3_decoder_select="ac3_decoder"
1294 eac3_encoder_select="mdct ac3dsp"
1295 eamad_decoder_select="aandct"
1296 eatgq_decoder_select="aandct"
1297 eatqi_decoder_select="aandct"
1298 ffv1_decoder_select="golomb"
1299 flac_decoder_select="golomb"
1300 flac_encoder_select="golomb lpc"
1301 flashsv_decoder_select="zlib"
1302 flashsv_encoder_select="zlib"
1303 flashsv2_decoder_select="zlib"
1304 flv_decoder_select="h263_decoder"
1305 flv_encoder_select="h263_encoder"
1306 fraps_decoder_select="huffman"
1307 h261_encoder_select="aandct"
1308 h263_decoder_select="h263_parser"
1309 h263_encoder_select="aandct"
1310 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1311 h263i_decoder_select="h263_decoder"
1312 h263p_encoder_select="h263_encoder"
1313 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1314 h264_dxva2_hwaccel_deps="dxva2api_h"
1315 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1316 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1317 h264_vda_hwaccel_select="vda h264_decoder"
1318 h264_vdpau_decoder_select="vdpau h264_decoder"
1319 imc_decoder_select="fft mdct sinewin"
1320 jpegls_decoder_select="golomb"
1321 jpegls_encoder_select="golomb"
1322 ljpeg_encoder_select="aandct"
1323 loco_decoder_select="golomb"
1324 mjpeg_encoder_select="aandct"
1325 mlp_decoder_select="mlp_parser"
1326 mp1_decoder_select="mpegaudiodsp"
1327 mp1float_decoder_select="mpegaudiodsp"
1328 mp2_decoder_select="mpegaudiodsp"
1329 mp2float_decoder_select="mpegaudiodsp"
1330 mp3_decoder_select="mpegaudiodsp"
1331 mp3adu_decoder_select="mpegaudiodsp"
1332 mp3adufloat_decoder_select="mpegaudiodsp"
1333 mp3float_decoder_select="mpegaudiodsp"
1334 mp3on4_decoder_select="mpegaudiodsp"
1335 mp3on4float_decoder_select="mpegaudiodsp"
1336 mpc7_decoder_select="mpegaudiodsp"
1337 mpc8_decoder_select="mpegaudiodsp"
1338 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1339 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1340 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1341 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1342 mpeg1video_encoder_select="aandct"
1343 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1344 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1345 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1346 mpeg2video_encoder_select="aandct"
1347 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1348 mpeg4_encoder_select="h263_encoder"
1349 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1350 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1351 msmpeg4v1_decoder_select="h263_decoder"
1352 msmpeg4v1_encoder_select="h263_encoder"
1353 msmpeg4v2_decoder_select="h263_decoder"
1354 msmpeg4v2_encoder_select="h263_encoder"
1355 msmpeg4v3_decoder_select="h263_decoder"
1356 msmpeg4v3_encoder_select="h263_encoder"
1357 nellymoser_decoder_select="mdct sinewin"
1358 nellymoser_encoder_select="mdct sinewin"
1359 png_decoder_select="zlib"
1360 png_encoder_select="zlib"
1361 qcelp_decoder_select="lsp"
1362 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1363 ra_144_encoder_select="lpc"
1364 ralf_decoder_select="golomb"
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_filter_extralibs='$ldl'
1530 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1531 frei0r_src_filter_extralibs='$ldl'
1532 hqdn3d_filter_deps="gpl"
1533 ocv_filter_deps="libopencv"
1534 scale_filter_deps="swscale"
1535 yadif_filter_deps="gpl"
1536
1537 # libraries
1538 avdevice_deps="avcodec avformat"
1539 avformat_deps="avcodec"
1540
1541 # programs
1542 avconv_deps="avcodec avformat swscale"
1543 avplay_deps="avcodec avformat swscale sdl"
1544 avplay_select="rdft"
1545 avprobe_deps="avcodec avformat"
1546 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1547 avserver_extralibs='$ldl'
1548
1549 doc_deps="texi2html"
1550
1551 # tests
1552
1553 test_deps(){
1554 suf1=$1
1555 suf2=$2
1556 shift 2
1557 for v; do
1558 dep=${v%=*}
1559 tests=${v#*=}
1560 for name in ${tests}; do
1561 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1562 done
1563 done
1564 }
1565
1566 mxf_d10_test_deps="avfilter"
1567 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1568
1569 test_deps _encoder _decoder \
1570 adpcm_ima_qt \
1571 adpcm_ima_wav \
1572 adpcm_ms \
1573 adpcm_swf \
1574 adpcm_yamaha=adpcm_yam \
1575 alac \
1576 asv1 \
1577 asv2 \
1578 bmp \
1579 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1580 dvvideo="dv dv_411 dv50" \
1581 ffv1 \
1582 flac \
1583 flashsv \
1584 flv \
1585 adpcm_g726=g726 \
1586 gif \
1587 h261 \
1588 h263="h263 h263p" \
1589 huffyuv \
1590 jpegls \
1591 mjpeg="jpg mjpeg ljpeg" \
1592 mp2 \
1593 mpeg1video="mpeg mpeg1b" \
1594 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1595 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1596 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1597 mpeg4="mpeg4thread error rc" \
1598 msmpeg4v3=msmpeg4 \
1599 msmpeg4v2 \
1600 pbm=pbmpipe \
1601 pcx \
1602 pgm="pgm pgmpipe" \
1603 png \
1604 ppm="ppm ppmpipe" \
1605 rawvideo="rgb yuv" \
1606 roq \
1607 rv10 \
1608 rv20 \
1609 sgi \
1610 snow="snow snowll" \
1611 svq1 \
1612 targa=tga \
1613 tiff \
1614 wmav1 \
1615 wmav2 \
1616 wmv1 \
1617 wmv2 \
1618
1619 test_deps _muxer _demuxer \
1620 aiff \
1621 pcm_alaw=alaw \
1622 asf \
1623 au \
1624 avi \
1625 dv=dv_fmt \
1626 ffm \
1627 flv=flv_fmt \
1628 gxf \
1629 matroska=mkv \
1630 mmf \
1631 mov \
1632 pcm_mulaw=mulaw \
1633 mxf="mxf mxf_d10" \
1634 nut \
1635 ogg \
1636 rawvideo=pixfmt \
1637 rm \
1638 swf \
1639 mpegts=ts \
1640 voc \
1641 wav \
1642 yuv4mpegpipe=yuv4mpeg \
1643
1644 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1645 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1646
1647 # default parameters
1648
1649 logfile="config.log"
1650
1651 # installation paths
1652 prefix_default="/usr/local"
1653 bindir_default='${prefix}/bin'
1654 datadir_default='${prefix}/share/avconv'
1655 incdir_default='${prefix}/include'
1656 libdir_default='${prefix}/lib'
1657 mandir_default='${prefix}/share/man'
1658 shlibdir_default="$libdir_default"
1659
1660 # toolchain
1661 ar_default="ar"
1662 cc_default="gcc"
1663 cc_version=\"unknown\"
1664 host_cc_default="gcc"
1665 ln_s="ln -sf"
1666 nm_default="nm"
1667 objformat="elf"
1668 pkg_config_default=pkg-config
1669 ranlib="ranlib"
1670 yasmexe="yasm"
1671
1672 nm_opts='-g'
1673 nogas=":"
1674
1675 # machine
1676 arch_default=$(uname -m)
1677 cpu="generic"
1678
1679 # OS
1680 target_os_default=$(tolower $(uname -s))
1681 host_os=$target_os_default
1682
1683 # configurable options
1684 enable $PROGRAM_LIST
1685
1686 enable avcodec
1687 enable avdevice
1688 enable avfilter
1689 enable avformat
1690 enable avutil
1691 enable swscale
1692
1693 enable asm
1694 enable debug
1695 enable doc
1696 enable fastdiv
1697 enable network
1698 enable optimizations
1699 enable safe_bitstream_reader
1700 enable static
1701 enable swscale_alpha
1702
1703 # build settings
1704 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1705 AVSERVERLDFLAGS=-Wl,-E
1706 LIBPREF="lib"
1707 LIBSUF=".a"
1708 FULLNAME='$(NAME)$(BUILDSUF)'
1709 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1710 SLIBPREF="lib"
1711 SLIBSUF=".so"
1712 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1713 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1714 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1715 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1716 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1717 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1718
1719 AS_O='-o $@'
1720 CC_O='-o $@'
1721
1722 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1723 host_libs='-lm'
1724
1725 target_path='$(CURDIR)'
1726
1727 # since the object filename is not given with the -MM flag, the compiler
1728 # is only able to print the basename, and we must add the path ourselves
1729 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1730 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1731
1732 # find source path
1733 if test -f configure; then
1734 source_path=.
1735 else
1736 source_path=$(cd $(dirname "$0"); pwd)
1737 echo "$source_path" | grep -q '[[:blank:]]' &&
1738 die "Out of tree builds are impossible with whitespace in source path."
1739 test -e "$source_path/config.h" &&
1740 die "Out of tree builds are impossible with config.h in source dir."
1741 fi
1742
1743 for v in "$@"; do
1744 r=${v#*=}
1745 l=${v%"$r"}
1746 r=$(sh_quote "$r")
1747 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1748 done
1749
1750 find_things(){
1751 thing=$1
1752 pattern=$2
1753 file=$source_path/$3
1754 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1755 }
1756
1757 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1758 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1759 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1760 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1761 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1762 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1763 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1764 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1765 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1766 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1767 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1768
1769 ALL_COMPONENTS="
1770 $BSF_LIST
1771 $DECODER_LIST
1772 $DEMUXER_LIST
1773 $ENCODER_LIST
1774 $FILTER_LIST
1775 $HWACCEL_LIST
1776 $INDEV_LIST
1777 $MUXER_LIST
1778 $OUTDEV_LIST
1779 $PARSER_LIST
1780 $PROTOCOL_LIST
1781 "
1782
1783 find_tests(){
1784 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1785 }
1786
1787 ACODEC_TESTS=$(find_tests acodec)
1788 VCODEC_TESTS=$(find_tests vsynth1)
1789 LAVF_TESTS=$(find_tests lavf)
1790 LAVFI_TESTS=$(find_tests lavfi)
1791 SEEK_TESTS=$(find_tests seek seek_)
1792
1793 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1794
1795 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1796
1797 for n in $COMPONENT_LIST; do
1798 v=$(toupper ${n%s})_LIST
1799 eval enable \$$v
1800 eval ${n}_if_any="\$$v"
1801 done
1802
1803 enable $ARCH_EXT_LIST $ALL_TESTS
1804
1805 die_unknown(){
1806 echo "Unknown option \"$1\"."
1807 echo "See $0 --help for available options."
1808 exit 1
1809 }
1810
1811 show_list() {
1812 suffix=_$1
1813 shift
1814 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1815 exit 0
1816 }
1817
1818 for opt do
1819 optval="${opt#*=}"
1820 case "$opt" in
1821 --extra-ldflags=*) add_ldflags $optval
1822 ;;
1823 --extra-libs=*) add_extralibs $optval
1824 ;;
1825 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1826 ;;
1827 --enable-debug=*) debuglevel="$optval"
1828 ;;
1829 --disable-everything)
1830 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1831 ;;
1832 --enable-*=*|--disable-*=*)
1833 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1834 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1835 eval list=\$$(toupper $thing)_LIST
1836 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1837 $action $(filter "$name" $list)
1838 ;;
1839 --enable-?*|--disable-?*)
1840 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1841 if is_in $option $COMPONENT_LIST; then
1842 test $action = disable && action=unset
1843 eval $action \$$(toupper ${option%s})_LIST
1844 elif is_in $option $CMDLINE_SELECT; then
1845 $action $option
1846 else
1847 die_unknown $opt
1848 fi
1849 ;;
1850 --list-*)
1851 NAME="${opt#--list-}"
1852 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1853 NAME=${NAME%s}
1854 eval show_list $NAME \$$(toupper $NAME)_LIST
1855 ;;
1856 --help|-h) show_help
1857 ;;
1858 *)
1859 optname="${opt%%=*}"
1860 optname="${optname#--}"
1861 optname=$(echo "$optname" | sed 's/-/_/g')
1862 if is_in $optname $CMDLINE_SET; then
1863 eval $optname='$optval'
1864 elif is_in $optname $CMDLINE_APPEND; then
1865 append $optname "$optval"
1866 else
1867 die_unknown $opt
1868 fi
1869 ;;
1870 esac
1871 done
1872
1873 disabled logging && logfile=/dev/null
1874
1875 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1876 set >> $logfile
1877
1878 test -n "$cross_prefix" && enable cross_compile
1879
1880 if enabled cross_compile; then
1881 test -n "$arch" && test -n "$target_os" ||
1882 die "Must specify target arch and OS when cross-compiling"
1883 fi
1884
1885 set_default arch target_os
1886
1887 ar_default="${cross_prefix}${ar_default}"
1888 cc_default="${cross_prefix}${cc_default}"
1889 nm_default="${cross_prefix}${nm_default}"
1890 pkg_config_default="${cross_prefix}${pkg_config_default}"
1891 ranlib="${cross_prefix}${ranlib}"
1892
1893 sysinclude_default="${sysroot}/usr/include"
1894
1895 set_default cc nm pkg_config sysinclude
1896 enabled cross_compile || host_cc_default=$cc
1897 set_default host_cc
1898
1899 if ! $pkg_config --version >/dev/null 2>&1; then
1900 warn "$pkg_config not found, library detection may fail."
1901 pkg_config=false
1902 fi
1903
1904 exesuf() {
1905 case $1 in
1906 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1907 esac
1908 }
1909
1910 EXESUF=$(exesuf $target_os)
1911 HOSTEXESUF=$(exesuf $host_os)
1912
1913 # set temporary file name
1914 : ${TMPDIR:=$TEMPDIR}
1915 : ${TMPDIR:=$TMP}
1916 : ${TMPDIR:=/tmp}
1917
1918 if ! check_cmd mktemp -u XXXXXX; then
1919 # simple replacement for missing mktemp
1920 # NOT SAFE FOR GENERAL USE
1921 mktemp(){
1922 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1923 }
1924 fi
1925
1926 tmpfile(){
1927 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1928 (set -C; exec > $tmp) 2>/dev/null ||
1929 die "Unable to create temporary file in $TMPDIR."
1930 append TMPFILES $tmp
1931 eval $1=$tmp
1932 }
1933
1934 trap 'rm -f -- $TMPFILES' EXIT
1935
1936 tmpfile TMPASM .asm
1937 tmpfile TMPC .c
1938 tmpfile TMPE $EXESUF
1939 tmpfile TMPH .h
1940 tmpfile TMPO .o
1941 tmpfile TMPS .S
1942 tmpfile TMPSH .sh
1943 tmpfile TMPV .ver
1944
1945 unset -f mktemp
1946
1947 chmod +x $TMPE
1948
1949 # make sure we can execute files in $TMPDIR
1950 cat > $TMPSH 2>> $logfile <<EOF
1951 #! /bin/sh
1952 EOF
1953 chmod +x $TMPSH >> $logfile 2>&1
1954 if ! $TMPSH >> $logfile 2>&1; then
1955 cat <<EOF
1956 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1957 variable to another directory and make sure that it is not mounted noexec.
1958 EOF
1959 die "Sanity test failed."
1960 fi
1961
1962 filter_asflags=echo
1963 filter_cflags=echo
1964 filter_cppflags=echo
1965
1966 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1967 cc_type=llvm_gcc
1968 cc_version=__VERSION__
1969 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1970 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1971 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1972 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1973 speed_cflags='-O3'
1974 size_cflags='-Os'
1975 elif $cc -v 2>&1 | grep -qi ^gcc; then
1976 cc_type=gcc
1977 cc_version=__VERSION__
1978 gcc_version=$($cc --version | head -n1)
1979 gcc_basever=$($cc -dumpversion)
1980 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1981 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1982 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1983 if ! $cc -dumpversion | grep -q '^2\.'; then
1984 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1986 fi
1987 speed_cflags='-O3'
1988 size_cflags='-Os'
1989 elif $cc --version 2>/dev/null | grep -q Intel; then
1990 cc_type=icc
1991 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1992 cc_ident=$($cc --version | head -n1)
1993 icc_version=$($cc -dumpversion)
1994 CC_DEPFLAGS='-MMD'
1995 AS_DEPFLAGS='-MMD'
1996 speed_cflags='-O3'
1997 size_cflags='-Os'
1998 noopt_cflags='-O1'
1999 elif $cc -v 2>&1 | grep -q xlc; then
2000 cc_type=xlc
2001 cc_version="AV_STRINGIFY(__IBMC__)"
2002 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2003 speed_cflags='-O5'
2004 size_cflags='-O5 -qcompact'
2005 elif $cc -V 2>/dev/null | grep -q Compaq; then
2006 cc_type=ccc
2007 cc_version="AV_STRINGIFY(__DECC_VER)"
2008 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2009 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2010 debuglevel=3
2011 add_ldflags -Wl,-z,now # calls to libots crash without this
2012 speed_cflags='-fast'
2013 size_cflags='-O1'
2014 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2015 test -d "$sysroot" || die "No valid sysroot specified."
2016 cc_type=armcc
2017 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2018 cc_ident=$($cc --vsn | head -n1)
2019 armcc_conf="$PWD/armcc.conf"
2020 $cc --arm_linux_configure \
2021 --arm_linux_config_file="$armcc_conf" \
2022 --configure_sysroot="$sysroot" \
2023 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2024 die "Error creating armcc configuration file."
2025 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2026 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2027 as_default="${cross_prefix}gcc"
2028 CC_DEPFLAGS='-MMD'
2029 AS_DEPFLAGS='-MMD'
2030 speed_cflags='-O3'
2031 size_cflags='-Os'
2032 filter_asflags="filter_out -W${armcc_opt}*"
2033 elif $cc -version 2>/dev/null | grep -q TMS470; then
2034 cc_type=tms470
2035 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2036 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2037 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2038 CC_O='-fr=$(@D)'
2039 as_default="${cross_prefix}gcc"
2040 ld_default="${cross_prefix}gcc"
2041 TMPO=$(basename $TMPC .c).o
2042 append TMPFILES $TMPO
2043 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2044 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2045 AS_DEPFLAGS='-MMD'
2046 speed_cflags='-O3 -mf=5'
2047 size_cflags='-O3 -mf=2'
2048 filter_cflags=tms470_flags
2049 tms470_flags(){
2050 for flag; do
2051 case $flag in
2052 -march=*|-mcpu=*)
2053 case "${flag#*=}" in
2054 armv7-a|cortex-a*) echo -mv=7a8 ;;
2055 armv7-r|cortex-r*) echo -mv=7r4 ;;
2056 armv7-m|cortex-m*) echo -mv=7m3 ;;
2057 armv6*|arm11*) echo -mv=6 ;;
2058 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2059 echo -mv=5e ;;
2060 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2061 esac
2062 ;;
2063 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2064 -mfpu=vfp) echo --float_support=vfpv2 ;;
2065 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2066 -msoft-float) echo --float_support=vfplib ;;
2067 -O[0-3]|-mf=*) echo $flag ;;
2068 -g) echo -g -mn ;;
2069 -pds=*) echo $flag ;;
2070 esac
2071 done
2072 }
2073 elif $cc -v 2>&1 | grep -q clang; then
2074 cc_type=clang
2075 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2076 cc_version=__clang_version__ || cc_version=__VERSION__
2077 cc_ident=$($cc --version | head -n1)
2078 CC_DEPFLAGS='-MMD'
2079 AS_DEPFLAGS='-MMD'
2080 speed_cflags='-O3'
2081 size_cflags='-Os'
2082 elif $cc -V 2>&1 | grep -q Sun; then
2083 cc_type=suncc
2084 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2085 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2086 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2087 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2088 add_ldflags -xc99
2089 speed_cflags='-O5'
2090 size_cflags='-O5 -xspace'
2091 filter_cflags=suncc_flags
2092 suncc_flags(){
2093 for flag; do
2094 case $flag in
2095 -march=*|-mcpu=*)
2096 case "${flag#*=}" in
2097 native) echo -xtarget=native ;;
2098 v9|niagara) echo -xarch=sparc ;;
2099 ultrasparc) echo -xarch=sparcvis ;;
2100 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2101 i586|pentium) echo -xchip=pentium ;;
2102 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2103 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2104 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2105 pentium4*) echo -xtarget=pentium4 ;;
2106 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2107 *-sse3) echo -xarch=sse3 ;;
2108 core2) echo -xarch=ssse3 -xchip=core2 ;;
2109 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2110 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2111 k8|opteron|athlon64|athlon-fx)
2112 echo -xarch=sse2a ;;
2113 athlon*) echo -xarch=pentium_proa ;;
2114 esac
2115 ;;
2116 -std=c99) echo -xc99 ;;
2117 -fomit-frame-pointer) echo -xregs=frameptr ;;
2118 -fPIC) echo -KPIC -xcode=pic32 ;;
2119 -W*,*) echo $flag ;;
2120 -f*-*|-W*) ;;
2121 *) echo $flag ;;
2122 esac
2123 done
2124 }
2125 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2126 cc_type=pathscale
2127 cc_version=__PATHSCALE__
2128 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2129 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2130 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2131 speed_cflags='-O2'
2132 size_cflags='-Os'
2133 filter_cflags='filter_out -Wdisabled-optimization'
2134 elif $cc -v 2>&1 | grep -q Open64; then
2135 cc_type=open64
2136 cc_version=__OPEN64__
2137 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2138 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2139 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2140 speed_cflags='-O2'
2141 size_cflags='-Os'
2142 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2143 fi
2144
2145 test -n "$cc_type" && enable $cc_type ||
2146 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2147
2148 : ${as_default:=$cc}
2149 : ${dep_cc_default:=$cc}
2150 : ${ld_default:=$cc}
2151 set_default ar as dep_cc ld
2152
2153 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2154 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2155
2156 add_cflags $extra_cflags
2157 add_asflags $extra_cflags
2158
2159 if test -n "$sysroot"; then
2160 case "$cc_type" in
2161 gcc|llvm_gcc|clang)
2162 add_cppflags --sysroot="$sysroot"
2163 add_ldflags --sysroot="$sysroot"
2164 ;;
2165 tms470)
2166 add_cppflags -I"$sysinclude"
2167 add_ldflags --sysroot="$sysroot"
2168 ;;
2169 esac
2170 fi
2171
2172 if test "$cpu" = host; then
2173 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2174
2175 case "$cc_type" in
2176 gcc|llvm_gcc)
2177 check_native(){
2178 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2179 sed -n "/cc1.*$1=/{
2180 s/.*$1=\\([^ ]*\\).*/\\1/
2181 p
2182 q
2183 }" $TMPE
2184 }
2185 cpu=$(check_native -march || check_native -mcpu)
2186 ;;
2187 esac
2188
2189 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2190 fi
2191
2192 # Deal with common $arch aliases
2193 case "$arch" in
2194 arm*)
2195 arch="arm"
2196 ;;
2197 mips|mipsel|IP*)
2198 arch="mips"
2199 ;;
2200 mips64*)
2201 arch="mips"
2202 subarch="mips64"
2203 ;;
2204 parisc|hppa)
2205 arch="parisc"
2206 ;;
2207 parisc64|hppa64)
2208 arch="parisc"
2209 subarch="parisc64"
2210 ;;
2211 "Power Macintosh"|ppc|powerpc)
2212 arch="ppc"
2213 ;;
2214 ppc64|powerpc64)
2215 arch="ppc"
2216 subarch="ppc64"
2217 ;;
2218 s390|s390x)
2219 arch="s390"
2220 ;;
2221 sh4|sh)
2222 arch="sh4"
2223 ;;
2224 sun4u|sparc64)
2225 arch="sparc"
2226 subarch="sparc64"
2227 ;;
2228 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2229 arch="x86"
2230 ;;
2231 esac
2232
2233 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2234 enable $arch
2235
2236 # Add processor-specific flags
2237 if test "$cpu" = generic; then
2238 : do nothing
2239 elif enabled ppc; then
2240
2241 case $(tolower $cpu) in
2242 601|ppc601|powerpc601)
2243 cpuflags="-mcpu=601"
2244 disable altivec
2245 ;;
2246 603*|ppc603*|powerpc603*)
2247 cpuflags="-mcpu=603"
2248 disable altivec
2249 ;;
2250 604*|ppc604*|powerpc604*)
2251 cpuflags="-mcpu=604"
2252 disable altivec
2253 ;;
2254 g3|75*|ppc75*|powerpc75*)
2255 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2256 disable altivec
2257 ;;
2258 g4|745*|ppc745*|powerpc745*)
2259 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2260 ;;
2261 74*|ppc74*|powerpc74*)
2262 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2263 ;;
2264 g5|970|ppc970|powerpc970|power4*)
2265 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2266 ;;
2267 cell)
2268 cpuflags="-mcpu=cell"
2269 enable ldbrx
2270 ;;
2271 e500v2)
2272 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2273 disable altivec
2274 ;;
2275 e500)
2276 cpuflags="-mcpu=8540 -mhard-float"
2277 disable altivec
2278 ;;
2279 esac
2280
2281 elif enabled x86; then
2282
2283 case $cpu in
2284 i[345]86|pentium)
2285 cpuflags="-march=$cpu"
2286 disable mmx
2287 ;;
2288 # targets that do NOT support conditional mov (cmov)
2289 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2290 cpuflags="-march=$cpu"
2291 disable cmov
2292 ;;
2293 # targets that do support conditional mov (cmov)
2294 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2295 cpuflags="-march=$cpu"
2296 enable cmov
2297 enable fast_cmov
2298 ;;
2299 # targets that do support conditional mov but on which it's slow
2300 pentium4|pentium4m|prescott|nocona)
2301 cpuflags="-march=$cpu"
2302 enable cmov
2303 disable fast_cmov
2304 ;;
2305 esac
2306
2307 elif enabled sparc; then
2308
2309 case $cpu in
2310 niagara)
2311 cpuflags="-mcpu=$cpu"
2312 disable vis
2313 ;;
2314 sparc64)
2315 cpuflags="-mcpu=v9"
2316 ;;
2317 esac
2318
2319 elif enabled arm; then
2320
2321 case $cpu in
2322 armv*)
2323 cpuflags="-march=$cpu"
2324 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2325 ;;
2326 *)
2327 cpuflags="-mcpu=$cpu"
2328 case $cpu in
2329 cortex-a*) subarch=armv7a ;;
2330 cortex-r*) subarch=armv7r ;;
2331 cortex-m*) enable thumb; subarch=armv7m ;;
2332 arm11*) subarch=armv6 ;;
2333 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2334 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2335 esac
2336 ;;
2337 esac
2338
2339 elif enabled alpha; then
2340
2341 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2342
2343 elif enabled bfin; then
2344
2345 cpuflags="-mcpu=$cpu"
2346
2347 elif enabled mips; then
2348
2349 cpuflags="-march=$cpu"
2350
2351 elif enabled avr32; then
2352
2353 case $cpu in
2354 ap7[02]0[0-2])
2355 subarch="avr32_ap"
2356 cpuflags="-mpart=$cpu"
2357 ;;
2358 ap)
2359 subarch="avr32_ap"
2360 cpuflags="-march=$cpu"
2361 ;;
2362 uc3[ab]*)
2363 subarch="avr32_uc"
2364 cpuflags="-mcpu=$cpu"
2365 ;;
2366 uc)
2367 subarch="avr32_uc"
2368 cpuflags="-march=$cpu"
2369 ;;
2370 esac
2371
2372 fi
2373
2374 add_cflags $cpuflags
2375 add_asflags $cpuflags
2376
2377 # compiler sanity check
2378 check_exec <<EOF
2379 int main(void){ return 0; }
2380 EOF
2381 if test "$?" != 0; then
2382 echo "$cc is unable to create an executable file."
2383 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2384 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2385 echo "Only do this if you know what cross compiling means."
2386 fi
2387 die "C compiler test failed."
2388 fi
2389
2390 add_cppflags -D_ISOC99_SOURCE
2391 check_cflags -std=c99
2392 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2393 #include <stdlib.h>
2394 EOF
2395 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2396 #include <stdlib.h>
2397 EOF
2398
2399 check_host_cflags -std=c99
2400 check_host_cflags -Wall
2401
2402 case "$arch" in
2403 alpha|ia64|mips|parisc|sparc)
2404 spic=$shared
2405 ;;
2406 x86)
2407 subarch="x86_32"
2408 check_cc <<EOF && subarch="x86_64"
2409 int test[(int)sizeof(char*) - 7];
2410 EOF
2411 if test "$subarch" = "x86_64"; then
2412 spic=$shared
2413 fi
2414 ;;
2415 esac
2416
2417 enable $subarch
2418 enabled spic && enable pic
2419
2420 # OS specific
2421 case $target_os in
2422 haiku)
2423 prefix_default="/boot/common"
2424 network_extralibs="-lnetwork"
2425 host_libs=
2426 ;;
2427 sunos)
2428 AVSERVERLDFLAGS=""
2429 SHFLAGS='-shared -Wl,-h,$$(@F)'
2430 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2431 network_extralibs="-lsocket -lnsl"
2432 add_cppflags -D__EXTENSIONS__
2433 # When using suncc to build, the Solaris linker will mark
2434 # an executable with each instruction set encountered by
2435 # the Solaris assembler. As our libraries contain their own
2436 # guards for processor-specific code, instead suppress
2437 # generation of the HWCAPS ELF section on Solaris x86 only.
2438 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2439 nm_opts='-P -g'
2440 ;;
2441 netbsd)
2442 disable symver
2443 oss_indev_extralibs="-lossaudio"
2444 oss_outdev_extralibs="-lossaudio"
2445 ;;
2446 openbsd)
2447 enable malloc_aligned
2448 # On OpenBSD 4.5. the compiler does not use PIC unless
2449 # explicitly using -fPIC. Libav builds fine without PIC,
2450 # however the generated executable will not do anything
2451 # (simply quits with exit-code 1, no crash, no output).
2452 # Thus explicitly enable PIC here.
2453 enable pic
2454 disable symver
2455 SHFLAGS='-shared'
2456 oss_indev_extralibs="-lossaudio"
2457 oss_outdev_extralibs="-lossaudio"
2458 ;;
2459 dragonfly)
2460 enable malloc_aligned
2461 disable symver
2462 ;;
2463 freebsd)
2464 enable malloc_aligned
2465 ;;
2466 bsd/os)
2467 add_extralibs -lpoll -lgnugetopt
2468 ;;
2469 darwin)
2470 enable malloc_aligned
2471 gas="gas-preprocessor.pl $cc"
2472 enabled ppc && add_asflags -force_cpusubtype_ALL
2473 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2474 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2475 add_ldflags -Wl,-dynamic,-search_paths_first
2476 SLIBSUF=".dylib"
2477 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2478 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2479 AVSERVERLDFLAGS=-Wl,-bind_at_load
2480 objformat="macho"
2481 enabled x86_64 && objformat="macho64"
2482 enabled_any pic shared ||
2483 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2484 ;;
2485 mingw32*)
2486 if test $target_os = "mingw32ce"; then
2487 disable network
2488 else
2489 target_os=mingw32
2490 fi
2491 LIBTARGET=i386
2492 if enabled x86_64; then
2493 enable malloc_aligned
2494 LIBTARGET="i386:x86-64"
2495 elif enabled arm; then
2496 LIBTARGET=arm-wince
2497 fi
2498 shlibdir_default="$bindir_default"
2499 SLIBPREF=""
2500 SLIBSUF=".dll"
2501 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2502 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2503 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2504 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2505 SLIB_INSTALL_LINKS=
2506 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2507 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2508 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'
2509 objformat="win32"
2510 dlltool="${cross_prefix}dlltool"
2511 enable dos_paths
2512 check_cflags -fno-common
2513 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2514 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2515 die "ERROR: MinGW runtime version must be >= 3.15."
2516 add_cppflags -U__STRICT_ANSI__
2517 ;;
2518 cygwin*)
2519 target_os=cygwin
2520 shlibdir_default="$bindir_default"
2521 SLIBPREF="cyg"
2522 SLIBSUF=".dll"
2523 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2524 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2525 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2526 objformat="win32"
2527 enable dos_paths
2528 check_cflags -fno-common
2529 add_cppflags -U__STRICT_ANSI__
2530 ;;
2531 *-dos|freedos|opendos)
2532 network_extralibs="-lsocket"
2533 objformat="coff"
2534 enable dos_paths
2535 add_cppflags -U__STRICT_ANSI__
2536 ;;
2537 linux)
2538 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2539 enable dv1394
2540 ;;
2541 irix*)
2542 target_os=irix
2543 ranlib="echo ignoring ranlib"
2544 ;;
2545 os/2*)
2546 ln_s="cp -f"
2547 objformat="aout"
2548 add_cppflags -D_GNU_SOURCE
2549 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2550 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2551 AVSERVERLDFLAGS=""
2552 LIBSUF="_s.a"
2553 SLIBPREF=""
2554 SLIBSUF=".dll"
2555 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2556 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2557 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2558 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2559 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2560 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2561 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2562 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2563 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2564 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2565 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2566 enable dos_paths
2567 ;;
2568 gnu/kfreebsd)
2569 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2570 ;;
2571 gnu)
2572 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2573 ;;
2574 qnx)
2575 add_cppflags -D_QNX_SOURCE
2576 network_extralibs="-lsocket"
2577 ;;
2578 symbian)
2579 SLIBSUF=".dll"
2580 enable dos_paths
2581 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2582 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2583 add_ldflags -Wl,--target1-abs,--no-undefined \
2584 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2585 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2586 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2587 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2588 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2589 ;;
2590 none)
2591 ;;
2592 *)
2593 die "Unknown OS '$target_os'."
2594 ;;
2595 esac
2596
2597 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2598
2599 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2600
2601 set_default $PATHS_LIST
2602
2603 # we need to build at least one lib type
2604 if ! enabled_any static shared; then
2605 cat <<EOF
2606 At least one library type must be built.
2607 Specify --enable-static to build the static libraries or --enable-shared to
2608 build the shared libraries as well. To only build the shared libraries specify
2609 --disable-static in addition to --enable-shared.
2610 EOF
2611 exit 1;
2612 fi
2613
2614 die_license_disabled() {
2615 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2616 }
2617
2618 die_license_disabled gpl libcdio
2619 die_license_disabled gpl libx264
2620 die_license_disabled gpl libxavs
2621 die_license_disabled gpl libxvid
2622 die_license_disabled gpl x11grab
2623
2624 die_license_disabled nonfree libfaac
2625 die_license_disabled nonfree openssl
2626
2627 die_license_disabled version3 libopencore_amrnb
2628 die_license_disabled version3 libopencore_amrwb
2629 die_license_disabled version3 libvo_aacenc
2630 die_license_disabled version3 libvo_amrwbenc
2631
2632 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2633
2634 disabled optimizations || check_cflags -fomit-frame-pointer
2635
2636 enable_pic() {
2637 enable pic
2638 add_cppflags -DPIC
2639 add_cflags -fPIC
2640 add_asflags -fPIC
2641 }
2642
2643 enabled pic && enable_pic
2644
2645 check_cc <<EOF || die "Symbol mangling check failed."
2646 int ff_extern;
2647 EOF
2648 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2649 extern_prefix=${sym%%ff_extern*}
2650
2651 check_cc <<EOF && enable inline_asm
2652 void foo(void) { __asm__ volatile ("" ::); }
2653 EOF
2654
2655 _restrict=
2656 for restrict_keyword in restrict __restrict__ __restrict; do
2657 check_cc <<EOF && _restrict=$restrict_keyword && break
2658 void foo(char * $restrict_keyword p);
2659 EOF
2660 done
2661
2662 check_cc <<EOF && enable attribute_packed
2663 struct { int x; } __attribute__((packed)) x;
2664 EOF
2665
2666 check_cc <<EOF && enable attribute_may_alias
2667 union { int x; } __attribute__((may_alias)) x;
2668 EOF
2669
2670 check_cc <<EOF || die "endian test failed"
2671 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2672 EOF
2673 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2674
2675 if enabled alpha; then
2676
2677 check_cflags -mieee
2678
2679 elif enabled arm; then
2680
2681 enabled thumb && check_cflags -mthumb || check_cflags -marm
2682 nogas=die
2683
2684 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2685 enable vfp_args
2686 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2687 case "${cross_prefix:-$cc}" in
2688 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2689 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2690 __asm__ (".eabi_attribute 28, 1");
2691 int main(void) { return 0; }
2692 EOF
2693 esac
2694 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2695 fi
2696
2697 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2698 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2699 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2700 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2701 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2702 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2703
2704 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2705
2706 enabled_all armv6t2 shared !pic && enable_pic
2707
2708 elif enabled mips; then
2709
2710 check_asm loongson '"dmult.g $1, $2, $3"'
2711 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2712
2713 elif enabled ppc; then
2714
2715 enable local_aligned_8 local_aligned_16
2716
2717 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2718 check_asm ibm_asm '"add 0, 0, 0"'
2719 check_asm ppc4xx '"maclhw r10, r11, r12"'
2720 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2721
2722 # AltiVec flags: The FSF version of GCC differs from the Apple version
2723 if enabled altivec; then
2724 nogas=warn
2725 check_cflags -maltivec -mabi=altivec &&
2726 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2727 check_cflags -faltivec
2728
2729 # check if our compiler supports Motorola AltiVec C API
2730 check_cc <<EOF || disable altivec
2731 $inc_altivec_h
2732 int main(void) {
2733 vector signed int v1, v2, v3;
2734 v1 = vec_add(v2,v3);
2735 return 0;
2736 }
2737 EOF
2738
2739 # check if our compiler supports braces for vector declarations
2740 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2741 $inc_altivec_h
2742 int main (void) { (vector int) {1}; return 0; }
2743 EOF
2744 fi
2745
2746 elif enabled sparc; then
2747
2748 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2749 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2750
2751 elif enabled x86; then
2752
2753 enable local_aligned_8 local_aligned_16
2754
2755 # check whether EBP is available on x86
2756 # As 'i' is stored on the stack, this program will crash
2757 # if the base pointer is used to access it because the
2758 # base pointer is cleared in the inline assembly code.
2759 check_exec_crash <<EOF && enable ebp_available
2760 volatile int i=0;
2761 __asm__ volatile (
2762 "xorl %%ebp, %%ebp"
2763 ::: "%ebp");
2764 return i;
2765 EOF
2766
2767 # check whether EBX is available on x86
2768 check_asm ebx_available '""::"b"(0)' &&
2769 check_asm ebx_available '"":::"%ebx"'
2770
2771 # check whether xmm clobbers are supported
2772 check_asm xmm_clobbers '"":::"%xmm0"'
2773
2774 # check whether binutils is new enough to compile SSSE3/MMX2
2775 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2776 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2777
2778 if ! disabled_any asm mmx yasm; then
2779 if check_cmd $yasmexe --version; then
2780 enabled x86_64 && yasm_extra="-m amd64"
2781 yasm_debug="-g dwarf2"
2782 elif check_cmd nasm -v; then
2783 yasmexe=nasm
2784 yasm_debug="-g -F dwarf"
2785 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2786 fi
2787
2788 YASMFLAGS="-f $objformat $yasm_extra"
2789 enabled pic && append YASMFLAGS "-DPIC"
2790 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2791 case "$objformat" in
2792 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2793 esac
2794
2795 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2796 die "yasm not found, use --disable-yasm for a crippled build"
2797 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2798 fi
2799
2800 case "$cpu" in
2801 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2802 disable fast_clz
2803 ;;
2804 esac
2805
2806 fi
2807
2808 if enabled asm; then
2809 as=${gas:=$as}
2810 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2811 $nogas "GNU assembler not found, install gas-preprocessor"
2812 fi
2813
2814 check_ldflags -Wl,--as-needed
2815
2816 if check_func dlopen; then
2817 ldl=
2818 elif check_func dlopen -ldl; then
2819 ldl=-ldl
2820 fi
2821
2822 if enabled network; then
2823 check_type "sys/types.h sys/socket.h" socklen_t
2824 check_type netdb.h "struct addrinfo"
2825 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2826 check_type netinet/in.h "struct sockaddr_in6"
2827 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2828 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2829 # Prefer arpa/inet.h over winsock2
2830 if check_header arpa/inet.h ; then
2831 check_func closesocket
2832 elif check_header winsock2.h ; then
2833 check_func_headers winsock2.h closesocket -lws2 && \
2834 network_extralibs="-lws2" || \
2835 { check_func_headers winsock2.h closesocket -lws2_32 && \
2836 network_extralibs="-lws2_32"; }
2837 check_type ws2tcpip.h socklen_t
2838 check_type ws2tcpip.h "struct addrinfo"
2839 check_type ws2tcpip.h "struct ipv6_mreq"
2840 check_type ws2tcpip.h "struct sockaddr_in6"
2841 check_type ws2tcpip.h "struct sockaddr_storage"
2842 check_struct winsock2.h "struct sockaddr" sa_len
2843 else
2844 disable network
2845 fi
2846 fi
2847
2848 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2849 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2850
2851 check_func fcntl
2852 check_func fork
2853 check_func getaddrinfo $network_extralibs
2854 check_func gethrtime
2855 check_func getrusage
2856 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2857 check_func inet_aton $network_extralibs
2858 check_func isatty
2859 check_func localtime_r
2860 check_func ${malloc_prefix}memalign && enable memalign
2861 check_func mkstemp
2862 check_func mmap
2863 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2864 check_func setrlimit
2865 check_func strerror_r
2866 check_func strptime
2867 check_func strtok_r
2868 check_func sched_getaffinity
2869 check_func sysconf
2870 check_func sysctl
2871 check_func_headers io.h setmode
2872 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2873 check_func_headers windows.h GetProcessAffinityMask
2874 check_func_headers windows.h GetProcessTimes
2875 check_func_headers windows.h MapViewOfFile
2876 check_func_headers windows.h VirtualAlloc
2877
2878 check_header dlfcn.h
2879 check_header dxva2api.h
2880 check_header malloc.h
2881 check_header poll.h
2882 check_header sys/mman.h
2883 check_header sys/param.h
2884 check_header sys/resource.h
2885 check_header sys/select.h
2886 check_header vdpau/vdpau.h
2887 check_header vdpau/vdpau_x11.h
2888 check_header X11/extensions/XvMClib.h
2889
2890 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2891 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2892
2893 if ! disabled w32threads && ! enabled pthreads; then
2894 check_func _beginthreadex && enable w32threads
2895 fi
2896
2897 # check for some common methods of building with pthread support
2898 # do this before the optional library checks as some of them require pthreads
2899 if ! disabled pthreads && ! enabled w32threads; then
2900 enable pthreads
2901 if check_func pthread_create; then
2902 :
2903 elif check_func pthread_create -pthread; then
2904 add_cflags -pthread
2905 add_extralibs -pthread
2906 elif check_func pthread_create -pthreads; then
2907 add_cflags -pthreads
2908 add_extralibs -pthreads
2909 elif check_func pthread_create -lpthreadGC2; then
2910 add_extralibs -lpthreadGC2
2911 elif ! check_lib pthread.h pthread_create -lpthread; then
2912 disable pthreads
2913 fi
2914 fi
2915
2916 for thread in $THREADS_LIST; do
2917 if enabled $thread; then
2918 test -n "$thread_type" &&
2919 die "ERROR: Only one thread type must be selected." ||
2920 thread_type="$thread"
2921 fi
2922 done
2923
2924 check_lib math.h sin -lm && LIBM="-lm"
2925 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2926
2927 check_mathfunc exp2
2928 check_mathfunc exp2f
2929 check_mathfunc llrint
2930 check_mathfunc llrintf
2931 check_mathfunc log2
2932 check_mathfunc log2f
2933 check_mathfunc lrint
2934 check_mathfunc lrintf
2935 check_mathfunc round
2936 check_mathfunc roundf
2937 check_mathfunc trunc
2938 check_mathfunc truncf
2939
2940 # these are off by default, so fail if requested and not available
2941 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2942 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2943 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2944 enabled libdirac && require_pkg_config dirac \
2945 "libdirac_decoder/dirac_parser.h" \
2946 "dirac_decoder_init"
2947 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2948 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2949 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2950 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2951 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2952 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2953 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2954 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2955 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2956 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2957 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2958 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2959 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2960 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2961 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2962 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2963 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2964 enabled libvpx && {
2965 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2966 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2967 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2968 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2969 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2970 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2971 die "ERROR: libx264 version must be >= 0.118."; }
2972 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2973 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2974 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2975 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2976 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2977 die "ERROR: openssl not found"; }
2978
2979 # libdc1394 check
2980 if enabled libdc1394; then
2981 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2982 enable libdc1394_2; } ||
2983 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2984 enable libdc1394_1; } ||
2985 die "ERROR: No version of libdc1394 found "
2986 fi
2987
2988 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2989 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2990 enable sdl &&
2991 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2992 fi
2993
2994 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2995
2996 check_header linux/fb.h
2997 check_header linux/videodev2.h
2998 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2999
3000 check_header sys/videoio.h
3001
3002 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3003 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3004 # w32api 3.12 had it defined wrong
3005 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3006
3007 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3008 { check_header dev/bktr/ioctl_meteor.h &&
3009 check_header dev/bktr/ioctl_bt848.h; } ||
3010 { check_header machine/ioctl_meteor.h &&
3011 check_header machine/ioctl_bt848.h; } ||
3012 { check_header dev/video/meteor/ioctl_meteor.h &&
3013 check_header dev/video/bktr/ioctl_bt848.h; } ||
3014 check_header dev/ic/bt8xx.h
3015
3016 check_header sndio.h
3017 check_header sys/soundcard.h
3018 check_header soundcard.h
3019
3020 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3021
3022 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3023
3024 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3025
3026 enabled libcdio &&
3027 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3028
3029 enabled x11grab &&
3030 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3031 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3032 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3033
3034 # check for VDA header
3035 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3036 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3037 fi
3038
3039 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3040 check_cpp_condition \
3041 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3042 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3043 disable vdpau; }
3044 fi
3045
3046 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3047
3048 # add some useful compiler flags if supported
3049 check_cflags -Wdeclaration-after-statement
3050 check_cflags -Wall
3051 check_cflags -Wno-parentheses
3052 check_cflags -Wno-switch
3053 check_cflags -Wno-format-zero-length
3054 check_cflags -Wdisabled-optimization
3055 check_cflags -Wpointer-arith
3056 check_cflags -Wredundant-decls
3057 check_cflags -Wno-pointer-sign
3058 check_cflags -Wcast-qual
3059 check_cflags -Wwrite-strings
3060 check_cflags -Wtype-limits
3061 check_cflags -Wundef
3062 check_cflags -Wmissing-prototypes
3063 check_cflags -Wstrict-prototypes
3064 enabled extra_warnings && check_cflags -Winline
3065
3066 # add some linker flags
3067 check_ldflags -Wl,--warn-common
3068 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3069 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3070
3071 enabled xmm_clobber_test && \
3072 check_ldflags -Wl,--wrap,avcodec_open2 \
3073 -Wl,--wrap,avcodec_decode_audio4 \
3074 -Wl,--wrap,avcodec_decode_video2 \
3075 -Wl,--wrap,avcodec_decode_subtitle2 \
3076 -Wl,--wrap,avcodec_encode_audio2 \
3077 -Wl,--wrap,avcodec_encode_video \
3078 -Wl,--wrap,avcodec_encode_subtitle \
3079 -Wl,--wrap,sws_scale || \
3080 disable xmm_clobber_test
3081
3082 echo "X{};" > $TMPV
3083 if test_ldflags -Wl,--version-script,$TMPV; then
3084 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3085 check_cc <<EOF && enable symver_asm_label
3086 void ff_foo(void) __asm__ ("av_foo@VERSION");
3087 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3088 EOF
3089 check_cc <<EOF && enable symver_gnu_asm
3090 __asm__(".symver ff_foo,av_foo@VERSION");
3091 void ff_foo(void) {}
3092 EOF
3093 fi
3094
3095 if [ -n "$optflags" ]; then
3096 add_cflags $optflags
3097 elif enabled small; then
3098 add_cflags $size_cflags
3099 elif enabled optimizations; then
3100 add_cflags $speed_cflags
3101 else
3102 add_cflags $noopt_cflags
3103 fi
3104 check_cflags -fno-math-errno
3105 check_cflags -fno-signed-zeros
3106
3107 if enabled icc; then
3108 # Just warnings, no remarks
3109 check_cflags -w1
3110 # -wd: Disable following warnings
3111 # 144, 167, 556: -Wno-pointer-sign
3112 # 1292: attribute "foo" ignored
3113 # 10006: ignoring unknown option -fno-signed-zeros
3114 # 10148: ignoring unknown option -Wno-parentheses
3115 # 10156: ignoring option '-W'; no argument required
3116 check_cflags -wd144,167,556,1292,10006,10148,10156
3117 # 11030: Warning unknown option --as-needed
3118 # 10156: ignoring option '-export'; no argument required
3119 check_ldflags -wd10156,11030
3120 # Allow to compile with optimizations
3121 check_ldflags -march=$cpu
3122 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3123 enable ebp_available
3124 if enabled x86_32; then
3125 test ${icc_version%%.*} -ge 11 && \
3126 check_cflags -falign-stack=maintain-16-byte || \
3127 disable aligned_stack
3128 fi
3129 elif enabled ccc; then
3130 # disable some annoying warnings
3131 add_cflags -msg_disable cvtu32to64
3132 add_cflags -msg_disable embedcomment
3133 add_cflags -msg_disable needconstext
3134 add_cflags -msg_disable nomainieee
3135 add_cflags -msg_disable ptrmismatch1
3136 add_cflags -msg_disable unreachcode
3137 elif enabled gcc; then
3138 check_cflags -fno-tree-vectorize
3139 check_cflags -Werror=implicit-function-declaration
3140 check_cflags -Werror=missing-prototypes
3141 check_cflags -Werror=declaration-after-statement
3142 elif enabled llvm_gcc; then
3143 check_cflags -mllvm -stack-alignment=16
3144 elif enabled clang; then
3145 check_cflags -mllvm -stack-alignment=16
3146 check_cflags -Qunused-arguments
3147 elif enabled armcc; then
3148 # 2523: use of inline assembler is deprecated
3149 add_cflags -W${armcc_opt},--diag_suppress=2523
3150 add_cflags -W${armcc_opt},--diag_suppress=1207
3151 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3152 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3153 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3154 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3155 elif enabled tms470; then
3156 add_cflags -pds=824 -pds=837
3157 elif enabled pathscale; then
3158 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3159 fi
3160
3161 enabled_any $THREADS_LIST && enable threads
3162
3163 check_deps $CONFIG_LIST \
3164 $CONFIG_EXTRA \
3165 $HAVE_LIST \
3166 $ALL_COMPONENTS \
3167 $ALL_TESTS \
3168
3169 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3170
3171 ! enabled_any memalign posix_memalign malloc_aligned &&
3172 enabled_any $need_memalign && enable memalign_hack
3173
3174 echo "install prefix $prefix"
3175 echo "source path $source_path"
3176 echo "C compiler $cc"
3177 echo "ARCH $arch ($cpu)"
3178 if test "$build_suffix" != ""; then
3179 echo "build suffix $build_suffix"
3180 fi
3181 if test "$extra_version" != ""; then
3182 echo "version string suffix $extra_version"
3183 fi
3184 echo "big-endian ${bigendian-no}"
3185 echo "runtime cpu detection ${runtime_cpudetect-no}"
3186 if enabled x86; then
3187 echo "${yasmexe} ${yasm-no}"
3188 echo "MMX enabled ${mmx-no}"
3189 echo "MMX2 enabled ${mmx2-no}"
3190 echo "3DNow! enabled ${amd3dnow-no}"
3191 echo "3DNow! extended enabled ${amd3dnowext-no}"
3192 echo "SSE enabled ${sse-no}"
3193 echo "SSSE3 enabled ${ssse3-no}"
3194 echo "AVX enabled ${avx-no}"
3195 echo "CMOV enabled ${cmov-no}"
3196 echo "CMOV is fast ${fast_cmov-no}"
3197 echo "EBX available ${ebx_available-no}"
3198 echo "EBP available ${ebp_available-no}"
3199 fi
3200 if enabled arm; then
3201 echo "ARMv5TE enabled ${armv5te-no}"
3202 echo "ARMv6 enabled ${armv6-no}"
3203 echo "ARMv6T2 enabled ${armv6t2-no}"
3204 echo "ARM VFP enabled ${armvfp-no}"
3205 echo "NEON enabled ${neon-no}"
3206 fi
3207 if enabled mips; then
3208 echo "MMI enabled ${mmi-no}"
3209 fi
3210 if enabled ppc; then
3211 echo "AltiVec enabled ${altivec-no}"
3212 echo "PPC 4xx optimizations ${ppc4xx-no}"
3213 echo "dcbzl available ${dcbzl-no}"
3214 fi
3215 if enabled sparc; then
3216 echo "VIS enabled ${vis-no}"
3217 fi
3218 echo "debug symbols ${debug-no}"
3219 echo "optimize for size ${small-no}"
3220 echo "optimizations ${optimizations-no}"
3221 echo "static ${static-no}"
3222 echo "shared ${shared-no}"
3223 echo "new filter support ${avfilter-no}"
3224 echo "network support ${network-no}"
3225 echo "threading support ${thread_type-no}"
3226 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3227 echo "SDL support ${sdl-no}"
3228 echo "libdxva2 enabled ${dxva2-no}"
3229 echo "libva enabled ${vaapi-no}"
3230 echo "libvdpau enabled ${vdpau-no}"
3231 echo "AVISynth enabled ${avisynth-no}"
3232 echo "frei0r enabled ${frei0r-no}"
3233 echo "gnutls enabled ${gnutls-no}"
3234 echo "libcdio support ${libcdio-no}"
3235 echo "libdc1394 support ${libdc1394-no}"
3236 echo "libdirac enabled ${libdirac-no}"
3237 echo "libfaac enabled ${libfaac-no}"
3238 echo "libgsm enabled ${libgsm-no}"
3239 echo "libmp3lame enabled ${libmp3lame-no}"
3240 echo "libnut enabled ${libnut-no}"
3241 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3242 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3243 echo "libopencv support ${libopencv-no}"
3244 echo "libopenjpeg enabled ${libopenjpeg-no}"
3245 echo "libpulse enabled ${libpulse-no}"
3246 echo "librtmp enabled ${librtmp-no}"
3247 echo "libschroedinger enabled ${libschroedinger-no}"
3248 echo "libspeex enabled ${libspeex-no}"
3249 echo "libtheora enabled ${libtheora-no}"
3250 echo "libvo-aacenc support ${libvo_aacenc-no}"
3251 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3252 echo "libvorbis enabled ${libvorbis-no}"
3253 echo "libvpx enabled ${libvpx-no}"
3254 echo "libx264 enabled ${libx264-no}"
3255 echo "libxavs enabled ${libxavs-no}"
3256 echo "libxvid enabled ${libxvid-no}"
3257 echo "openssl enabled ${openssl-no}"
3258 echo "zlib enabled ${zlib-no}"
3259 echo "bzlib enabled ${bzlib-no}"
3260 echo
3261
3262 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3263 echo "Enabled ${type}s:"
3264 eval list=\$$(toupper $type)_LIST
3265 print_enabled '_*' $list | sort | pr -r -3 -t
3266 echo
3267 done
3268
3269 license="LGPL version 2.1 or later"
3270 if enabled nonfree; then
3271 license="nonfree and unredistributable"
3272 elif enabled gplv3; then
3273 license="GPL version 3 or later"
3274 elif enabled lgplv3; then
3275 license="LGPL version 3 or later"
3276 elif enabled gpl; then
3277 license="GPL version 2 or later"
3278 fi
3279
3280 echo "License: $license"
3281
3282 echo "Creating config.mak and config.h..."
3283
3284 test -e Makefile || $ln_s "$source_path/Makefile" .
3285
3286 config_files="$TMPH config.mak"
3287
3288 cat > config.mak <<EOF
3289 # Automatically generated by configure - do not modify!
3290 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3291 prefix=$prefix
3292 LIBDIR=\$(DESTDIR)$libdir
3293 SHLIBDIR=\$(DESTDIR)$shlibdir
3294 INCDIR=\$(DESTDIR)$incdir
3295 BINDIR=\$(DESTDIR)$bindir
3296 DATADIR=\$(DESTDIR)$datadir
3297 MANDIR=\$(DESTDIR)$mandir
3298 SRC_PATH=$source_path
3299 CC_IDENT=$cc_ident
3300 ARCH=$arch
3301 CC=$cc
3302 AS=$as
3303 LD=$ld
3304 DEPCC=$dep_cc
3305 YASM=$yasmexe
3306 YASMDEP=$yasmexe
3307 AR=$ar
3308 RANLIB=$ranlib
3309 LN_S=$ln_s
3310 CPPFLAGS=$CPPFLAGS
3311 CFLAGS=$CFLAGS
3312 ASFLAGS=$ASFLAGS
3313 AS_O=$CC_O
3314 CC_O=$CC_O
3315 DLLTOOL=$dlltool
3316 LDFLAGS=$LDFLAGS
3317 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3318 SHFLAGS=$SHFLAGS
3319 YASMFLAGS=$YASMFLAGS
3320 BUILDSUF=$build_suffix
3321 FULLNAME=$FULLNAME
3322 LIBPREF=$LIBPREF
3323 LIBSUF=$LIBSUF
3324 LIBNAME=$LIBNAME
3325 SLIBPREF=$SLIBPREF
3326 SLIBSUF=$SLIBSUF
3327 EXESUF=$EXESUF
3328 EXTRA_VERSION=$extra_version
3329 DEPFLAGS=$DEPFLAGS
3330 CCDEP=$CCDEP
3331 ASDEP=$ASDEP
3332 CC_DEPFLAGS=$CC_DEPFLAGS
3333 AS_DEPFLAGS=$AS_DEPFLAGS
3334 HOSTCC=$host_cc
3335 HOSTCFLAGS=$host_cflags
3336 HOSTEXESUF=$HOSTEXESUF
3337 HOSTLDFLAGS=$host_ldflags
3338 HOSTLIBS=$host_libs
3339 TARGET_EXEC=$target_exec
3340 TARGET_PATH=$target_path
3341 SDL_LIBS=$sdl_libs
3342 SDL_CFLAGS=$sdl_cflags
3343 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3344 EXTRALIBS=$extralibs
3345 INSTALL=install
3346 LIBTARGET=${LIBTARGET}
3347 SLIBNAME=${SLIBNAME}
3348 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3349 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3350 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3351 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3352 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3353 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3354 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3355 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3356 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3357 EOF
3358
3359 get_version(){
3360 name=$1
3361 file=$source_path/$2
3362 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3363 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3364 lcname=$(tolower $name)
3365 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3366 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3367 }
3368
3369 get_version LIBAVCODEC libavcodec/version.h
3370 get_version LIBAVDEVICE libavdevice/avdevice.h
3371 get_version LIBAVFILTER libavfilter/version.h
3372 get_version LIBAVFORMAT libavformat/version.h
3373 get_version LIBAVUTIL libavutil/avutil.h
3374 get_version LIBSWSCALE libswscale/swscale.h
3375
3376 cat > $TMPH <<EOF
3377 /* Automatically generated by configure - do not modify! */
3378 #ifndef LIBAV_CONFIG_H
3379 #define LIBAV_CONFIG_H
3380 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3381 #define LIBAV_LICENSE "$(c_escape $license)"
3382 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3383 #define CC_TYPE "$cc_type"
3384 #define CC_VERSION $cc_version
3385 #define restrict $_restrict
3386 #define EXTERN_PREFIX "${extern_prefix}"
3387 #define EXTERN_ASM ${extern_prefix}
3388 #define SLIBSUF "$SLIBSUF"
3389 EOF
3390
3391 test -n "$malloc_prefix" &&
3392 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3393
3394 if enabled small || disabled optimizations; then
3395 echo "#undef av_always_inline" >> $TMPH
3396 if enabled small; then
3397 echo "#define av_always_inline inline" >> $TMPH
3398 else
3399 echo "#define av_always_inline av_unused" >> $TMPH
3400 fi
3401 fi
3402
3403 if enabled yasm; then
3404 append config_files $TMPASM
3405 printf '' >$TMPASM
3406 fi
3407
3408 print_config ARCH_ "$config_files" $ARCH_LIST
3409 print_config HAVE_ "$config_files" $HAVE_LIST
3410 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3411 $CONFIG_EXTRA \
3412 $ALL_COMPONENTS \
3413
3414 cat >>config.mak <<EOF
3415 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3416 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3417 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3418 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3419 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3420 EOF
3421
3422 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3423
3424 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3425 cp_if_changed $TMPH config.h
3426 touch .config
3427
3428 enabled yasm && cp_if_changed $TMPASM config.asm
3429
3430 cat > $TMPH <<EOF
3431 /* Generated by ffconf */
3432 #ifndef AVUTIL_AVCONFIG_H
3433 #define AVUTIL_AVCONFIG_H
3434 EOF
3435
3436 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3437
3438 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3439
3440 cp_if_changed $TMPH libavutil/avconfig.h
3441
3442 test -n "$WARNINGS" && printf "\n$WARNINGS"
3443
3444 # build pkg-config files
3445
3446 pkgconfig_generate(){
3447 name=$1
3448 shortname=${name#lib}${build_suffix}
3449 comment=$2
3450 version=$3
3451 libs=$4
3452 requires=$5
3453 enabled ${name#lib} || return 0
3454 mkdir -p $name
3455 cat <<EOF > $name/$name.pc
3456 prefix=$prefix
3457 exec_prefix=\${prefix}
3458 libdir=$libdir
3459 includedir=$incdir
3460
3461 Name: $name
3462 Description: $comment
3463 Version: $version
3464 Requires: $(enabled shared || echo $requires)
3465 Requires.private: $(enabled shared && echo $requires)
3466 Conflicts:
3467 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3468 Libs.private: $(enabled shared && echo $libs)
3469 Cflags: -I\${includedir}
3470 EOF
3471 cat <<EOF > $name/$name-uninstalled.pc
3472 prefix=
3473 exec_prefix=
3474 libdir=\${pcfiledir}
3475 includedir=${source_path}
3476
3477 Name: $name
3478 Description: $comment
3479 Version: $version
3480 Requires: $requires
3481 Conflicts:
3482 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3483 Cflags: -I\${includedir}
3484 EOF
3485 }
3486
3487 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3488 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3489 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3490 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3491 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3492 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"