configure: sort filter deps entries
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --disable-vaapi disable VAAPI code
110 --disable-vdpau disable VDPAU code
111 --disable-dxva2 disable DXVA2 code
112 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114 --enable-memalign-hack emulate memalign, interferes with memory debuggers
115 --disable-everything disable all components listed below
116 --disable-encoder=NAME disable encoder NAME
117 --enable-encoder=NAME enable encoder NAME
118 --disable-encoders disable all encoders
119 --disable-decoder=NAME disable decoder NAME
120 --enable-decoder=NAME enable decoder NAME
121 --disable-decoders disable all decoders
122 --disable-hwaccel=NAME disable hwaccel NAME
123 --enable-hwaccel=NAME enable hwaccel NAME
124 --disable-hwaccels disable all hwaccels
125 --disable-muxer=NAME disable muxer NAME
126 --enable-muxer=NAME enable muxer NAME
127 --disable-muxers disable all muxers
128 --disable-demuxer=NAME disable demuxer NAME
129 --enable-demuxer=NAME enable demuxer NAME
130 --disable-demuxers disable all demuxers
131 --enable-parser=NAME enable parser NAME
132 --disable-parser=NAME disable parser NAME
133 --disable-parsers disable all parsers
134 --enable-bsf=NAME enable bitstream filter NAME
135 --disable-bsf=NAME disable bitstream filter NAME
136 --disable-bsfs disable all bitstream filters
137 --enable-protocol=NAME enable protocol NAME
138 --disable-protocol=NAME disable protocol NAME
139 --disable-protocols disable all protocols
140 --disable-indev=NAME disable input device NAME
141 --disable-outdev=NAME disable output device NAME
142 --disable-indevs disable input devices
143 --disable-outdevs disable output devices
144 --disable-devices disable all devices
145 --enable-filter=NAME enable filter NAME
146 --disable-filter=NAME disable filter NAME
147 --disable-filters disable all filters
148 --list-decoders show all available decoders
149 --list-encoders show all available encoders
150 --list-hwaccels show all available hardware accelerators
151 --list-muxers show all available muxers
152 --list-demuxers show all available demuxers
153 --list-parsers show all available parsers
154 --list-protocols show all available protocols
155 --list-bsfs show all available bitstream filters
156 --list-indevs show all available input devices
157 --list-outdevs show all available output devices
158 --list-filters show all available filters
159
160 External library support:
161 --enable-avisynth enable reading of AVISynth script files [no]
162 --enable-bzlib enable bzlib [autodetect]
163 --enable-frei0r enable frei0r video filtering
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libopencv enable video filtering via libopencv [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfreetype enable libfreetype [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
203 --ar=AR use archive tool AR [$ar_default]
204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-avx disable AVX optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240 --disable-symver disable symbol versioning
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
955 network
956 nonfree
957 pic
958 postproc
959 rdft
960 rtpdec
961 runtime_cpudetect
962 shared
963 sinewin
964 small
965 sram
966 static
967 swscale
968 swscale_alpha
969 vaapi
970 vdpau
971 version3
972 x11grab
973 zlib
974 "
975
976 THREADS_LIST='
977 pthreads
978 w32threads
979 '
980
981 ARCH_LIST='
982 alpha
983 arm
984 avr32
985 avr32_ap
986 avr32_uc
987 bfin
988 ia64
989 m68k
990 mips
991 mips64
992 parisc
993 ppc
994 ppc64
995 s390
996 sh4
997 sparc
998 sparc64
999 tomi
1000 x86
1001 x86_32
1002 x86_64
1003 '
1004
1005 ARCH_EXT_LIST='
1006 altivec
1007 amd3dnow
1008 amd3dnowext
1009 armv5te
1010 armv6
1011 armv6t2
1012 armvfp
1013 avx
1014 iwmmxt
1015 mmi
1016 mmx
1017 mmx2
1018 neon
1019 ppc4xx
1020 sse
1021 ssse3
1022 vis
1023 '
1024
1025 HAVE_LIST_PUB='
1026 bigendian
1027 fast_unaligned
1028 '
1029
1030 HAVE_LIST="
1031 $ARCH_EXT_LIST
1032 $HAVE_LIST_PUB
1033 $THREADS_LIST
1034 aligned_stack
1035 alsa_asoundlib_h
1036 altivec_h
1037 arpa_inet_h
1038 attribute_may_alias
1039 attribute_packed
1040 bswap
1041 closesocket
1042 cmov
1043 dcbzl
1044 dev_bktr_ioctl_bt848_h
1045 dev_bktr_ioctl_meteor_h
1046 dev_ic_bt8xx_h
1047 dev_video_meteor_ioctl_meteor_h
1048 dev_video_bktr_ioctl_bt848_h
1049 dlfcn_h
1050 dlopen
1051 dos_paths
1052 ebp_available
1053 ebx_available
1054 exp2
1055 exp2f
1056 fast_64bit
1057 fast_clz
1058 fast_cmov
1059 fcntl
1060 fork
1061 getaddrinfo
1062 gethrtime
1063 GetProcessMemoryInfo
1064 GetProcessTimes
1065 getrusage
1066 gnu_as
1067 struct_rusage_ru_maxrss
1068 ibm_asm
1069 inet_aton
1070 inline_asm
1071 isatty
1072 kbhit
1073 ldbrx
1074 libdc1394_1
1075 libdc1394_2
1076 llrint
1077 llrintf
1078 local_aligned_16
1079 local_aligned_8
1080 localtime_r
1081 log2
1082 log2f
1083 loongson
1084 lrint
1085 lrintf
1086 lzo1x_999_compress
1087 machine_ioctl_bt848_h
1088 machine_ioctl_meteor_h
1089 malloc_h
1090 MapViewOfFile
1091 memalign
1092 mkstemp
1093 mmap
1094 pld
1095 posix_memalign
1096 round
1097 roundf
1098 sdl
1099 sdl_video_size
1100 setmode
1101 sndio_h
1102 socklen_t
1103 soundcard_h
1104 poll_h
1105 setrlimit
1106 strerror_r
1107 strtok_r
1108 struct_addrinfo
1109 struct_ipv6_mreq
1110 struct_sockaddr_in6
1111 struct_sockaddr_sa_len
1112 struct_sockaddr_storage
1113 symver
1114 symver_gnu_asm
1115 symver_asm_label
1116 sys_mman_h
1117 sys_resource_h
1118 sys_select_h
1119 sys_soundcard_h
1120 sys_videoio_h
1121 ten_operands
1122 threads
1123 trunc
1124 truncf
1125 vfp_args
1126 VirtualAlloc
1127 winsock2_h
1128 xform_asm
1129 xmm_clobbers
1130 yasm
1131 "
1132
1133 # options emitted with CONFIG_ prefix but not available on command line
1134 CONFIG_EXTRA="
1135 avutil
1136 gplv3
1137 lgplv3
1138 "
1139
1140 CMDLINE_SELECT="
1141 $ARCH_EXT_LIST
1142 $CONFIG_LIST
1143 $THREADS_LIST
1144 asm
1145 cross_compile
1146 debug
1147 extra_warnings
1148 logging
1149 optimizations
1150 symver
1151 yasm
1152 "
1153
1154 PATHS_LIST='
1155 bindir
1156 datadir
1157 incdir
1158 libdir
1159 mandir
1160 prefix
1161 shlibdir
1162 '
1163
1164 CMDLINE_SET="
1165 $PATHS_LIST
1166 ar
1167 arch
1168 as
1169 build_suffix
1170 cc
1171 cpu
1172 cross_prefix
1173 dep_cc
1174 extra_version
1175 host_cc
1176 host_cflags
1177 host_ldflags
1178 host_libs
1179 host_os
1180 ld
1181 logfile
1182 malloc_prefix
1183 nm
1184 pkg_config
1185 samples
1186 source_path
1187 sysinclude
1188 sysroot
1189 target_exec
1190 target_os
1191 target_path
1192 "
1193
1194 CMDLINE_APPEND="
1195 extra_cflags
1196 "
1197
1198 # code dependency declarations
1199
1200 # architecture extensions
1201
1202 armv5te_deps="arm"
1203 armv6_deps="arm"
1204 armv6t2_deps="arm"
1205 armvfp_deps="arm"
1206 iwmmxt_deps="arm"
1207 neon_deps="arm"
1208
1209 mmi_deps="mips"
1210
1211 altivec_deps="ppc"
1212 ppc4xx_deps="ppc"
1213
1214 vis_deps="sparc"
1215
1216 x86_64_suggest="cmov fast_cmov"
1217 amd3dnow_deps="mmx"
1218 amd3dnowext_deps="amd3dnow"
1219 mmx_deps="x86"
1220 mmx2_deps="mmx"
1221 sse_deps="mmx"
1222 ssse3_deps="sse"
1223 avx_deps="ssse3"
1224
1225 aligned_stack_if_any="ppc x86"
1226 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1227 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1228 fast_unaligned_if_any="armv6 ppc x86"
1229
1230 need_memalign="altivec neon sse"
1231 inline_asm_deps="!tms470"
1232
1233 symver_if_any="symver_asm_label symver_gnu_asm"
1234
1235 # subsystems
1236 dct_select="rdft"
1237 mdct_select="fft"
1238 rdft_select="fft"
1239
1240 # decoders / encoders / hardware accelerators
1241 aac_decoder_select="mdct sinewin"
1242 aac_encoder_select="mdct sinewin"
1243 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1244 ac3_decoder_select="mdct ac3dsp ac3_parser"
1245 ac3_encoder_select="mdct ac3dsp"
1246 ac3_fixed_encoder_select="mdct ac3dsp"
1247 alac_encoder_select="lpc"
1248 amrnb_decoder_select="lsp"
1249 amrwb_decoder_select="lsp"
1250 atrac1_decoder_select="mdct sinewin"
1251 atrac3_decoder_select="mdct"
1252 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1253 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1254 cavs_decoder_select="golomb"
1255 cook_decoder_select="mdct sinewin"
1256 cscd_decoder_suggest="zlib"
1257 dca_decoder_select="mdct"
1258 dnxhd_encoder_select="aandct"
1259 dxa_decoder_select="zlib"
1260 eac3_decoder_select="ac3_decoder"
1261 eamad_decoder_select="aandct"
1262 eatgq_decoder_select="aandct"
1263 eatqi_decoder_select="aandct"
1264 ffv1_decoder_select="golomb"
1265 flac_decoder_select="golomb"
1266 flac_encoder_select="golomb lpc"
1267 flashsv_decoder_select="zlib"
1268 flashsv_encoder_select="zlib"
1269 flv_decoder_select="h263_decoder"
1270 flv_encoder_select="h263_encoder"
1271 fraps_decoder_select="huffman"
1272 h261_encoder_select="aandct"
1273 h263_decoder_select="h263_parser"
1274 h263_encoder_select="aandct"
1275 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1276 h263i_decoder_select="h263_decoder"
1277 h263p_encoder_select="h263_encoder"
1278 h264_decoder_select="golomb h264dsp h264pred"
1279 h264_dxva2_hwaccel_deps="dxva2api_h"
1280 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1281 h264_vaapi_hwaccel_select="vaapi"
1282 h264_vdpau_decoder_select="vdpau h264_decoder"
1283 imc_decoder_select="fft mdct sinewin"
1284 jpegls_decoder_select="golomb"
1285 jpegls_encoder_select="golomb"
1286 ljpeg_encoder_select="aandct"
1287 loco_decoder_select="golomb"
1288 mjpeg_encoder_select="aandct"
1289 mlp_decoder_select="mlp_parser"
1290 mp1float_decoder_select="dct"
1291 mp2float_decoder_select="dct"
1292 mp3adufloat_decoder_select="dct"
1293 mp3float_decoder_select="dct"
1294 mp3on4float_decoder_select="dct"
1295 mpeg1video_encoder_select="aandct"
1296 mpeg2video_encoder_select="aandct"
1297 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1298 mpeg4_encoder_select="h263_encoder"
1299 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1300 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1301 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1302 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1303 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1304 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1305 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1306 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1307 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1308 msmpeg4v1_decoder_select="h263_decoder"
1309 msmpeg4v1_encoder_select="h263_encoder"
1310 msmpeg4v2_decoder_select="h263_decoder"
1311 msmpeg4v2_encoder_select="h263_encoder"
1312 msmpeg4v3_decoder_select="h263_decoder"
1313 msmpeg4v3_encoder_select="h263_encoder"
1314 nellymoser_decoder_select="mdct sinewin"
1315 nellymoser_encoder_select="mdct sinewin"
1316 png_decoder_select="zlib"
1317 png_encoder_select="zlib"
1318 qcelp_decoder_select="lsp"
1319 qdm2_decoder_select="mdct rdft"
1320 ra_144_encoder_select="lpc"
1321 rv10_decoder_select="h263_decoder"
1322 rv10_encoder_select="h263_encoder"
1323 rv20_decoder_select="h263_decoder"
1324 rv20_encoder_select="h263_encoder"
1325 rv30_decoder_select="golomb h264pred"
1326 rv40_decoder_select="golomb h264pred"
1327 shorten_decoder_select="golomb"
1328 sipr_decoder_select="lsp"
1329 snow_decoder_select="dwt"
1330 snow_encoder_select="aandct dwt"
1331 svq1_encoder_select="aandct"
1332 svq3_decoder_select="golomb h264dsp h264pred"
1333 svq3_decoder_suggest="zlib"
1334 theora_decoder_select="vp3_decoder"
1335 tiff_decoder_suggest="zlib"
1336 tiff_encoder_suggest="zlib"
1337 truehd_decoder_select="mlp_decoder"
1338 tscc_decoder_select="zlib"
1339 twinvq_decoder_select="mdct lsp sinewin"
1340 vc1_decoder_select="h263_decoder"
1341 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1342 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1343 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1344 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1345 vorbis_decoder_select="mdct"
1346 vorbis_encoder_select="mdct"
1347 vp6_decoder_select="huffman"
1348 vp6a_decoder_select="vp6_decoder"
1349 vp6f_decoder_select="vp6_decoder"
1350 vp8_decoder_select="h264pred"
1351 wmapro_decoder_select="mdct sinewin"
1352 wmav1_decoder_select="mdct sinewin"
1353 wmav1_encoder_select="mdct sinewin"
1354 wmav2_decoder_select="mdct sinewin"
1355 wmav2_encoder_select="mdct sinewin"
1356 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1357 wmv1_decoder_select="h263_decoder"
1358 wmv1_encoder_select="h263_encoder"
1359 wmv2_decoder_select="h263_decoder"
1360 wmv2_encoder_select="h263_encoder"
1361 wmv3_decoder_select="vc1_decoder"
1362 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1363 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1364 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1365 zlib_decoder_select="zlib"
1366 zlib_encoder_select="zlib"
1367 zmbv_decoder_select="zlib"
1368 zmbv_encoder_select="zlib"
1369
1370 vaapi_deps="va_va_h"
1371 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1372
1373 # parsers
1374 h264_parser_select="golomb h264dsp h264pred"
1375
1376 # external libraries
1377 libdirac_decoder_deps="libdirac !libschroedinger"
1378 libdirac_encoder_deps="libdirac"
1379 libfaac_encoder_deps="libfaac"
1380 libgsm_decoder_deps="libgsm"
1381 libgsm_encoder_deps="libgsm"
1382 libgsm_ms_decoder_deps="libgsm"
1383 libgsm_ms_encoder_deps="libgsm"
1384 libmp3lame_encoder_deps="libmp3lame"
1385 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1386 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1387 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1388 libopenjpeg_decoder_deps="libopenjpeg"
1389 libschroedinger_decoder_deps="libschroedinger"
1390 libschroedinger_encoder_deps="libschroedinger"
1391 libspeex_decoder_deps="libspeex"
1392 libtheora_encoder_deps="libtheora"
1393 libvo_aacenc_encoder_deps="libvo_aacenc"
1394 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1395 libvorbis_encoder_deps="libvorbis"
1396 libvpx_decoder_deps="libvpx"
1397 libvpx_encoder_deps="libvpx"
1398 libx264_encoder_deps="libx264"
1399 libxavs_encoder_deps="libxavs"
1400 libxvid_encoder_deps="libxvid"
1401
1402 # demuxers / muxers
1403 ac3_demuxer_select="ac3_parser"
1404 asf_stream_muxer_select="asf_muxer"
1405 avisynth_demuxer_deps="avisynth"
1406 dirac_demuxer_select="dirac_parser"
1407 eac3_demuxer_select="ac3_parser"
1408 flac_demuxer_select="flac_parser"
1409 ipod_muxer_select="mov_muxer"
1410 libnut_demuxer_deps="libnut"
1411 libnut_muxer_deps="libnut"
1412 matroska_audio_muxer_select="matroska_muxer"
1413 matroska_demuxer_suggest="zlib bzlib"
1414 mov_demuxer_suggest="zlib"
1415 mp3_demuxer_select="mpegaudio_parser"
1416 mp4_muxer_select="mov_muxer"
1417 mpegtsraw_demuxer_select="mpegts_demuxer"
1418 mxf_d10_muxer_select="mxf_muxer"
1419 ogg_demuxer_select="golomb"
1420 psp_muxer_select="mov_muxer"
1421 rtp_demuxer_select="sdp_demuxer"
1422 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1423 rtsp_demuxer_select="http_protocol rtpdec"
1424 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1425 sap_demuxer_select="sdp_demuxer"
1426 sap_muxer_select="rtp_muxer rtp_protocol"
1427 sdp_demuxer_select="rtpdec"
1428 spdif_muxer_select="aac_parser"
1429 tg2_muxer_select="mov_muxer"
1430 tgp_muxer_select="mov_muxer"
1431 w64_demuxer_deps="wav_demuxer"
1432
1433 # indevs / outdevs
1434 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1435 alsa_outdev_deps="alsa_asoundlib_h"
1436 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1437 dv1394_indev_deps="dv1394 dv_demuxer"
1438 fbdev_indev_deps="linux_fb_h"
1439 jack_indev_deps="jack_jack_h"
1440 libdc1394_indev_deps="libdc1394"
1441 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1442 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1443 sndio_indev_deps="sndio_h"
1444 sndio_outdev_deps="sndio_h"
1445 v4l_indev_deps="linux_videodev_h"
1446 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1447 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1448 vfwcap_indev_extralibs="-lavicap32"
1449 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1450 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1451
1452 # protocols
1453 gopher_protocol_deps="network"
1454 http_protocol_deps="network"
1455 http_protocol_select="tcp_protocol"
1456 mmsh_protocol_select="http_protocol"
1457 mmst_protocol_deps="network"
1458 rtmp_protocol_select="tcp_protocol"
1459 rtp_protocol_select="udp_protocol"
1460 tcp_protocol_deps="network"
1461 udp_protocol_deps="network"
1462
1463 # filters
1464 blackframe_filter_deps="gpl"
1465 cropdetect_filter_deps="gpl"
1466 drawtext_filter_deps="libfreetype"
1467 frei0r_filter_deps="frei0r dlopen strtok_r"
1468 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1469 hqdn3d_filter_deps="gpl"
1470 ocv_filter_deps="libopencv"
1471 scale_filter_deps="swscale"
1472 yadif_filter_deps="gpl"
1473
1474 # libraries
1475 avdevice_deps="avcodec avformat"
1476 avformat_deps="avcodec"
1477
1478 # programs
1479 ffmpeg_deps="avcodec avformat swscale"
1480 ffmpeg_select="buffer_filter"
1481 ffplay_deps="avcodec avformat swscale sdl"
1482 ffplay_select="rdft"
1483 ffprobe_deps="avcodec avformat"
1484 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1485 ffserver_extralibs='$ldl'
1486
1487 doc_deps="texi2html"
1488
1489 # tests
1490
1491 test_deps(){
1492 suf1=$1
1493 suf2=$2
1494 shift 2
1495 for v; do
1496 dep=${v%=*}
1497 tests=${v#*=}
1498 for name in ${tests}; do
1499 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1500 done
1501 done
1502 }
1503
1504 set_ne_test_deps(){
1505 eval ${1}_be_test_deps="bigendian"
1506 eval ${1}_le_test_deps="!bigendian"
1507 }
1508
1509 test_deps _encoder _decoder \
1510 adpcm_g726=g726 \
1511 adpcm_ima_qt \
1512 adpcm_ima_wav \
1513 adpcm_ms \
1514 adpcm_swf \
1515 adpcm_yamaha=adpcm_yam \
1516 alac \
1517 asv1 \
1518 asv2 \
1519 bmp \
1520 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1521 dvvideo="dv dv50" \
1522 ffv1 \
1523 flac \
1524 flashsv \
1525 flv \
1526 gif \
1527 h261 \
1528 h263="h263 h263p" \
1529 huffyuv \
1530 jpegls \
1531 mjpeg="jpg mjpeg ljpeg" \
1532 mp2 \
1533 mpeg1video="mpeg mpeg1b" \
1534 mpeg2video="mpeg2 mpeg2thread" \
1535 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1536 msmpeg4v3=msmpeg4 \
1537 msmpeg4v2 \
1538 pbm=pbmpipe \
1539 pcx \
1540 pgm="pgm pgmpipe" \
1541 png \
1542 ppm="ppm ppmpipe" \
1543 rawvideo="rgb yuv" \
1544 roq \
1545 rv10 \
1546 rv20 \
1547 sgi \
1548 snow="snow snowll" \
1549 svq1 \
1550 targa=tga \
1551 tiff \
1552 wmav1 \
1553 wmav2 \
1554 wmv1 \
1555 wmv2 \
1556
1557 test_deps _muxer _demuxer \
1558 aiff \
1559 pcm_alaw=alaw \
1560 asf \
1561 au \
1562 avi \
1563 dv=dv_fmt \
1564 ffm \
1565 flv=flv_fmt \
1566 gxf \
1567 matroska=mkv \
1568 mmf \
1569 mov \
1570 pcm_mulaw=mulaw \
1571 mxf \
1572 nut \
1573 ogg \
1574 rawvideo=pixfmt \
1575 rm \
1576 swf \
1577 mpegts=ts \
1578 voc \
1579 wav \
1580 yuv4mpegpipe=yuv4mpeg \
1581
1582 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1583 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1584
1585 set_ne_test_deps pixdesc
1586 set_ne_test_deps pixfmts_copy
1587 set_ne_test_deps pixfmts_crop
1588 set_ne_test_deps pixfmts_hflip
1589 set_ne_test_deps pixfmts_null
1590 set_ne_test_deps pixfmts_pad
1591 set_ne_test_deps pixfmts_scale
1592 set_ne_test_deps pixfmts_vflip
1593
1594 # default parameters
1595
1596 logfile="config.log"
1597
1598 # installation paths
1599 prefix_default="/usr/local"
1600 bindir_default='${prefix}/bin'
1601 datadir_default='${prefix}/share/ffmpeg'
1602 incdir_default='${prefix}/include'
1603 libdir_default='${prefix}/lib'
1604 mandir_default='${prefix}/share/man'
1605 shlibdir_default="$libdir_default"
1606
1607 # toolchain
1608 ar_default="ar"
1609 cc_default="gcc"
1610 cc_version=\"unknown\"
1611 host_cc_default="gcc"
1612 ln_s="ln -sf"
1613 nm_default="nm"
1614 objformat="elf"
1615 pkg_config_default=pkg-config
1616 ranlib="ranlib"
1617 yasmexe="yasm"
1618 nogas=":"
1619
1620 nm_opts='-g'
1621
1622 # machine
1623 arch_default=$(uname -m)
1624 cpu="generic"
1625
1626 # OS
1627 target_os_default=$(tolower $(uname -s))
1628 host_os=$target_os_default
1629
1630 # configurable options
1631 enable avcodec
1632 enable avdevice
1633 enable avfilter
1634 enable avformat
1635 enable avutil
1636 enable asm
1637 enable debug
1638 enable doc
1639 enable fastdiv
1640 enable ffmpeg
1641 enable ffplay
1642 enable ffprobe
1643 enable ffserver
1644 enable network
1645 enable optimizations
1646 enable protocols
1647 enable static
1648 enable swscale
1649 enable swscale_alpha
1650
1651 # build settings
1652 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1653 FFSERVERLDFLAGS=-Wl,-E
1654 LIBPREF="lib"
1655 LIBSUF=".a"
1656 FULLNAME='$(NAME)$(BUILDSUF)'
1657 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1658 SLIBPREF="lib"
1659 SLIBSUF=".so"
1660 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1661 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1662 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1663 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1664
1665 CC_O='-o $@'
1666
1667 host_cflags='-D_ISOC99_SOURCE -O3 -g -Wall'
1668 host_libs='-lm'
1669
1670 target_path='$(CURDIR)'
1671
1672 # since the object filename is not given with the -MM flag, the compiler
1673 # is only able to print the basename, and we must add the path ourselves
1674 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1675 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1676
1677 # find source path
1678 source_path="$(dirname "$0")"
1679 enable source_path_used
1680 if test -f configure; then
1681 source_path="$(pwd)"
1682 disable source_path_used
1683 else
1684 source_path="$(cd "$source_path"; pwd)"
1685 echo "$source_path" | grep -q '[[:blank:]]' &&
1686 die "Out of tree builds are impossible with whitespace in source path."
1687 test -e "$source_path/config.h" &&
1688 die "Out of tree builds are impossible with config.h in source dir."
1689 fi
1690
1691 for v in "$@"; do
1692 r=${v#*=}
1693 l=${v%"$r"}
1694 r=$(sh_quote "$r")
1695 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1696 done
1697
1698 find_things(){
1699 thing=$1
1700 pattern=$2
1701 file=$source_path/$3
1702 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1703 }
1704
1705 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1706 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1707 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1708 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1709 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1710 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1711 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1712 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1713 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1714 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1715 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1716
1717 find_tests(){
1718 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1719 }
1720
1721 ACODEC_TESTS=$(find_tests acodec)
1722 VCODEC_TESTS=$(find_tests vsynth1)
1723 LAVF_TESTS=$(find_tests lavf)
1724 LAVFI_TESTS=$(find_tests lavfi)
1725 SEEK_TESTS=$(find_tests seek seek_)
1726
1727 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1728
1729 for n in $COMPONENT_LIST; do
1730 v=$(toupper ${n%s})_LIST
1731 eval enable \$$v
1732 eval ${n}_if_any="\$$v"
1733 done
1734
1735 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1736
1737 die_unknown(){
1738 echo "Unknown option \"$1\"."
1739 echo "See $0 --help for available options."
1740 exit 1
1741 }
1742
1743 show_list() {
1744 suffix=_$1
1745 shift
1746 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1747 exit 0
1748 }
1749
1750 for opt do
1751 optval="${opt#*=}"
1752 case "$opt" in
1753 --extra-ldflags=*) add_ldflags $optval
1754 ;;
1755 --extra-libs=*) add_extralibs $optval
1756 ;;
1757 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1758 ;;
1759 --enable-debug=*) debuglevel="$optval"
1760 ;;
1761 --disable-everything)
1762 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1763 ;;
1764 --enable-*=*|--disable-*=*)
1765 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1766 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1767 eval list=\$$(toupper $thing)_LIST
1768 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1769 $action $(filter "$name" $list)
1770 ;;
1771 --enable-?*|--disable-?*)
1772 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1773 if is_in $option $COMPONENT_LIST; then
1774 test $action = disable && action=unset
1775 eval $action \$$(toupper ${option%s})_LIST
1776 elif is_in $option $CMDLINE_SELECT; then
1777 $action $option
1778 else
1779 die_unknown $opt
1780 fi
1781 ;;
1782 --list-*)
1783 NAME="${opt#--list-}"
1784 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1785 NAME=${NAME%s}
1786 eval show_list $NAME \$$(toupper $NAME)_LIST
1787 ;;
1788 --help|-h) show_help
1789 ;;
1790 *)
1791 optname="${opt%%=*}"
1792 optname="${optname#--}"
1793 optname=$(echo "$optname" | sed 's/-/_/g')
1794 if is_in $optname $CMDLINE_SET; then
1795 eval $optname='$optval'
1796 elif is_in $optname $CMDLINE_APPEND; then
1797 append $optname "$optval"
1798 else
1799 die_unknown $opt
1800 fi
1801 ;;
1802 esac
1803 done
1804
1805 disabled logging && logfile=/dev/null
1806
1807 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1808 set >> $logfile
1809
1810 test -n "$cross_prefix" && enable cross_compile
1811
1812 if enabled cross_compile; then
1813 test -n "$arch" && test -n "$target_os" ||
1814 die "Must specify target arch and OS when cross-compiling"
1815 fi
1816
1817 set_default arch target_os
1818
1819 ar_default="${cross_prefix}${ar_default}"
1820 cc_default="${cross_prefix}${cc_default}"
1821 nm_default="${cross_prefix}${nm_default}"
1822 pkg_config_default="${cross_prefix}${pkg_config_default}"
1823 ranlib="${cross_prefix}${ranlib}"
1824
1825 sysinclude_default="${sysroot}/usr/include"
1826
1827 set_default cc nm pkg_config sysinclude
1828 enabled cross_compile || host_cc_default=$cc
1829 set_default host_cc
1830
1831 if ! $pkg_config --version >/dev/null 2>&1; then
1832 warn "$pkg_config not found, library detection may fail."
1833 pkg_config=false
1834 fi
1835
1836 exesuf() {
1837 case $1 in
1838 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1839 esac
1840 }
1841
1842 EXESUF=$(exesuf $target_os)
1843 HOSTEXESUF=$(exesuf $host_os)
1844
1845 # set temporary file name
1846 : ${TMPDIR:=$TEMPDIR}
1847 : ${TMPDIR:=$TMP}
1848 : ${TMPDIR:=/tmp}
1849
1850 if ! check_cmd mktemp -u XXXXXX; then
1851 # simple replacement for missing mktemp
1852 # NOT SAFE FOR GENERAL USE
1853 mktemp(){
1854 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1855 }
1856 fi
1857
1858 tmpfile(){
1859 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1860 (set -C; exec > $tmp) 2>/dev/null ||
1861 die "Unable to create temporary file in $TMPDIR."
1862 append TMPFILES $tmp
1863 eval $1=$tmp
1864 }
1865
1866 trap 'rm -f -- $TMPFILES' EXIT
1867
1868 tmpfile TMPC .c
1869 tmpfile TMPE $EXESUF
1870 tmpfile TMPH .h
1871 tmpfile TMPO .o
1872 tmpfile TMPS .S
1873 tmpfile TMPV .ver
1874 tmpfile TMPSH .sh
1875 tmpfile TMPASM .asm
1876
1877 unset -f mktemp
1878
1879 chmod +x $TMPE
1880
1881 # make sure we can execute files in $TMPDIR
1882 cat > $TMPSH 2>> $logfile <<EOF
1883 #! /bin/sh
1884 EOF
1885 chmod +x $TMPSH >> $logfile 2>&1
1886 if ! $TMPSH >> $logfile 2>&1; then
1887 cat <<EOF
1888 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1889 variable to another directory and make sure that it is not mounted noexec.
1890 EOF
1891 die "Sanity test failed."
1892 fi
1893
1894 filter_cflags=echo
1895 filter_cppflags=echo
1896 filter_asflags=echo
1897
1898 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1899 cc_type=llvm_gcc
1900 cc_version=__VERSION__
1901 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1902 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1903 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1904 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1905 speed_cflags='-O3'
1906 size_cflags='-Os'
1907 elif $cc -v 2>&1 | grep -qi ^gcc; then
1908 cc_type=gcc
1909 cc_version=__VERSION__
1910 gcc_version=$($cc --version | head -n1)
1911 gcc_basever=$($cc -dumpversion)
1912 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1913 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1914 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1915 if ! $cc -dumpversion | grep -q '^2\.'; then
1916 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1917 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1918 fi
1919 speed_cflags='-O3'
1920 size_cflags='-Os'
1921 elif $cc --version 2>/dev/null | grep -q Intel; then
1922 cc_type=icc
1923 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1924 cc_ident=$($cc --version | head -n1)
1925 icc_version=$($cc -dumpversion)
1926 CC_DEPFLAGS='-MMD'
1927 AS_DEPFLAGS='-MMD'
1928 speed_cflags='-O3'
1929 size_cflags='-Os'
1930 noopt_cflags='-O1'
1931 elif $cc -v 2>&1 | grep -q xlc; then
1932 cc_type=xlc
1933 cc_version="AV_STRINGIFY(__IBMC__)"
1934 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1935 speed_cflags='-O5'
1936 size_cflags='-O5 -qcompact'
1937 elif $cc -V 2>/dev/null | grep -q Compaq; then
1938 cc_type=ccc
1939 cc_version="AV_STRINGIFY(__DECC_VER)"
1940 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1941 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1942 debuglevel=3
1943 add_ldflags -Wl,-z,now # calls to libots crash without this
1944 speed_cflags='-fast'
1945 size_cflags='-O1'
1946 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1947 test -d "$sysroot" || die "No valid sysroot specified."
1948 cc_type=armcc
1949 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1950 cc_ident=$($cc --vsn | head -n1)
1951 armcc_conf="$PWD/armcc.conf"
1952 $cc --arm_linux_configure \
1953 --arm_linux_config_file="$armcc_conf" \
1954 --configure_sysroot="$sysroot" \
1955 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1956 die "Error creating armcc configuration file."
1957 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1958 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1959 as_default="${cross_prefix}gcc"
1960 CC_DEPFLAGS='-MMD'
1961 AS_DEPFLAGS='-MMD'
1962 speed_cflags='-O3'
1963 size_cflags='-Os'
1964 filter_asflags="filter_out -W${armcc_opt}*"
1965 elif $cc -version 2>/dev/null | grep -q TMS470; then
1966 cc_type=tms470
1967 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1968 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1969 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1970 CC_O='-fr=$(@D)'
1971 as_default="${cross_prefix}gcc"
1972 ld_default="${cross_prefix}gcc"
1973 TMPO=$(basename $TMPC .c).o
1974 append TMPFILES $TMPO
1975 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1976 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1977 AS_DEPFLAGS='-MMD'
1978 speed_cflags='-O3 -mf=5'
1979 size_cflags='-O3 -mf=2'
1980 filter_cflags=tms470_flags
1981 tms470_flags(){
1982 for flag; do
1983 case $flag in
1984 -march=*|-mcpu=*)
1985 case "${flag#*=}" in
1986 armv7-a|cortex-a*) echo -mv=7a8 ;;
1987 armv7-r|cortex-r*) echo -mv=7r4 ;;
1988 armv7-m|cortex-m*) echo -mv=7m3 ;;
1989 armv6*|arm11*) echo -mv=6 ;;
1990 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1991 echo -mv=5e ;;
1992 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1993 esac
1994 ;;
1995 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1996 -mfpu=vfp) echo --float_support=vfpv2 ;;
1997 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1998 -msoft-float) echo --float_support=vfplib ;;
1999 -O[0-3]|-mf=*) echo $flag ;;
2000 -g) echo -g -mn ;;
2001 -pds=*) echo $flag ;;
2002 esac
2003 done
2004 }
2005 elif $cc -v 2>&1 | grep -q clang; then
2006 cc_type=clang
2007 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2008 cc_version=__clang_version__ || cc_version=__VERSION__
2009 cc_ident=$($cc --version | head -n1)
2010 CC_DEPFLAGS='-MMD'
2011 AS_DEPFLAGS='-MMD'
2012 speed_cflags='-O3'
2013 size_cflags='-Os'
2014 elif $cc -V 2>&1 | grep -q Sun; then
2015 cc_type=suncc
2016 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2017 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2018 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2019 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2020 speed_cflags='-O5'
2021 size_cflags='-O5 -xspace'
2022 filter_cflags=suncc_flags
2023 suncc_flags(){
2024 for flag; do
2025 case $flag in
2026 -march=*|-mcpu=*)
2027 case "${flag#*=}" in
2028 native) echo -xtarget=native ;;
2029 v9|niagara) echo -xarch=sparc ;;
2030 ultrasparc) echo -xarch=sparcvis ;;
2031 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2032 i586|pentium) echo -xchip=pentium ;;
2033 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2034 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2035 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2036 pentium4*) echo -xtarget=pentium4 ;;
2037 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2038 *-sse3) echo -xarch=sse3 ;;
2039 core2) echo -xarch=ssse3 -xchip=core2 ;;
2040 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2041 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2042 k8|opteron|athlon64|athlon-fx)
2043 echo -xarch=sse2a ;;
2044 athlon*) echo -xarch=pentium_proa ;;
2045 esac
2046 ;;
2047 -std=c99) echo -xc99 ;;
2048 -fomit-frame-pointer) echo -xregs=frameptr ;;
2049 -fPIC) echo -KPIC -xcode=pic32 ;;
2050 -W*,*) echo $flag ;;
2051 -f*-*|-W*) ;;
2052 *) echo $flag ;;
2053 esac
2054 done
2055 }
2056 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2057 cc_type=pathscale
2058 cc_version=__PATHSCALE__
2059 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2060 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2061 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2062 speed_cflags='-O2'
2063 size_cflags='-Os'
2064 elif $cc -v 2>&1 | grep -q Open64; then
2065 cc_type=open64
2066 cc_version=__OPEN64__
2067 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2068 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2069 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2070 speed_cflags='-O2'
2071 size_cflags='-Os'
2072 fi
2073
2074 test -n "$cc_type" && enable $cc_type ||
2075 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2076
2077 : ${as_default:=$cc}
2078 : ${dep_cc_default:=$cc}
2079 : ${ld_default:=$cc}
2080 set_default ar as dep_cc ld
2081
2082 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2083 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2084
2085 add_cflags $extra_cflags
2086 add_asflags $extra_cflags
2087
2088 if test -n "$sysroot"; then
2089 case "$cc_type" in
2090 gcc|llvm_gcc|clang)
2091 add_cppflags --sysroot="$sysroot"
2092 add_ldflags --sysroot="$sysroot"
2093 ;;
2094 tms470)
2095 add_cppflags -I"$sysinclude"
2096 add_ldflags --sysroot="$sysroot"
2097 ;;
2098 esac
2099 fi
2100
2101 if test "$cpu" = host; then
2102 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2103
2104 case "$cc_type" in
2105 gcc|llvm_gcc)
2106 check_native(){
2107 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2108 sed -n "/$1=/{
2109 s/.*$1=\\([^ ]*\\).*/\\1/
2110 p
2111 q
2112 }" $TMPE
2113 }
2114 cpu=$(check_native -march || check_native -mcpu)
2115 ;;
2116 esac
2117
2118 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2119 fi
2120
2121 # Deal with common $arch aliases
2122 case "$arch" in
2123 arm*)
2124 arch="arm"
2125 ;;
2126 mips|mipsel|IP*)
2127 arch="mips"
2128 ;;
2129 mips64*)
2130 arch="mips"
2131 subarch="mips64"
2132 ;;
2133 parisc|hppa)
2134 arch="parisc"
2135 ;;
2136 parisc64|hppa64)
2137 arch="parisc"
2138 subarch="parisc64"
2139 ;;
2140 "Power Macintosh"|ppc|powerpc)
2141 arch="ppc"
2142 ;;
2143 ppc64|powerpc64)
2144 arch="ppc"
2145 subarch="ppc64"
2146 ;;
2147 s390|s390x)
2148 arch="s390"
2149 ;;
2150 sh4|sh)
2151 arch="sh4"
2152 ;;
2153 sun4u|sparc64)
2154 arch="sparc"
2155 subarch="sparc64"
2156 ;;
2157 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2158 arch="x86"
2159 ;;
2160 esac
2161
2162 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2163 enable $arch
2164
2165 # Add processor-specific flags
2166 if test "$cpu" = generic; then
2167 : do nothing
2168 elif enabled ppc; then
2169
2170 case $(tolower $cpu) in
2171 601|ppc601|powerpc601)
2172 cpuflags="-mcpu=601"
2173 disable altivec
2174 ;;
2175 603*|ppc603*|powerpc603*)
2176 cpuflags="-mcpu=603"
2177 disable altivec
2178 ;;
2179 604*|ppc604*|powerpc604*)
2180 cpuflags="-mcpu=604"
2181 disable altivec
2182 ;;
2183 g3|75*|ppc75*|powerpc75*)
2184 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2185 disable altivec
2186 ;;
2187 g4|745*|ppc745*|powerpc745*)
2188 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2189 ;;
2190 74*|ppc74*|powerpc74*)
2191 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2192 ;;
2193 g5|970|ppc970|powerpc970|power4*)
2194 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2195 ;;
2196 cell)
2197 cpuflags="-mcpu=cell"
2198 enable ldbrx
2199 ;;
2200 e500v2)
2201 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2202 disable altivec
2203 ;;
2204 e500)
2205 cpuflags="-mcpu=8540 -mhard-float"
2206 disable altivec
2207 ;;
2208 esac
2209
2210 elif enabled x86; then
2211
2212 case $cpu in
2213 i[345]86|pentium)
2214 cpuflags="-march=$cpu"
2215 disable mmx
2216 ;;
2217 # targets that do NOT support conditional mov (cmov)
2218 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2219 cpuflags="-march=$cpu"
2220 disable cmov
2221 ;;
2222 # targets that do support conditional mov (cmov)
2223 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2224 cpuflags="-march=$cpu"
2225 enable cmov
2226 enable fast_cmov
2227 ;;
2228 # targets that do support conditional mov but on which it's slow
2229 pentium4|pentium4m|prescott|nocona)
2230 cpuflags="-march=$cpu"
2231 enable cmov
2232 disable fast_cmov
2233 ;;
2234 esac
2235
2236 elif enabled sparc; then
2237
2238 case $cpu in
2239 niagara)
2240 cpuflags="-mcpu=$cpu"
2241 disable vis
2242 ;;
2243 sparc64)
2244 cpuflags="-mcpu=v9"
2245 ;;
2246 esac
2247
2248 elif enabled arm; then
2249
2250 case $cpu in
2251 armv*)
2252 cpuflags="-march=$cpu"
2253 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2254 ;;
2255 *)
2256 cpuflags="-mcpu=$cpu"
2257 case $cpu in
2258 cortex-a*) subarch=armv7a ;;
2259 cortex-r*) subarch=armv7r ;;
2260 cortex-m*) subarch=armv7m ;;
2261 arm11*) subarch=armv6 ;;
2262 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2263 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2264 esac
2265 ;;
2266 esac
2267
2268 elif enabled alpha; then
2269
2270 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2271
2272 elif enabled bfin; then
2273
2274 cpuflags="-mcpu=$cpu"
2275
2276 elif enabled mips; then
2277
2278 cpuflags="-march=$cpu"
2279
2280 elif enabled avr32; then
2281
2282 case $cpu in
2283 ap7[02]0[0-2])
2284 subarch="avr32_ap"
2285 cpuflags="-mpart=$cpu"
2286 ;;
2287 ap)
2288 subarch="avr32_ap"
2289 cpuflags="-march=$cpu"
2290 ;;
2291 uc3[ab]*)
2292 subarch="avr32_uc"
2293 cpuflags="-mcpu=$cpu"
2294 ;;
2295 uc)
2296 subarch="avr32_uc"
2297 cpuflags="-march=$cpu"
2298 ;;
2299 esac
2300
2301 fi
2302
2303 add_cflags $cpuflags
2304 add_asflags $cpuflags
2305
2306 # compiler sanity check
2307 check_exec <<EOF
2308 int main(void){ return 0; }
2309 EOF
2310 if test "$?" != 0; then
2311 echo "$cc is unable to create an executable file."
2312 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2313 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2314 echo "Only do this if you know what cross compiling means."
2315 fi
2316 die "C compiler test failed."
2317 fi
2318
2319 add_cppflags -D_ISOC99_SOURCE
2320 check_cflags -std=c99
2321 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2322 #include <stdlib.h>
2323 EOF
2324 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2325 #include <stdlib.h>
2326 EOF
2327
2328 check_host_cflags -std=c99
2329
2330 case "$arch" in
2331 alpha|ia64|mips|parisc|sparc)
2332 spic=$shared
2333 ;;
2334 x86)
2335 subarch="x86_32"
2336 check_cc <<EOF && subarch="x86_64"
2337 int test[(int)sizeof(char*) - 7];
2338 EOF
2339 if test "$subarch" = "x86_64"; then
2340 spic=$shared
2341 fi
2342 ;;
2343 esac
2344
2345 enable $subarch
2346 enabled spic && enable pic
2347
2348 # OS specific
2349 case $target_os in
2350 haiku)
2351 prefix_default="/boot/common"
2352 network_extralibs="-lnetwork"
2353 host_libs=
2354 ;;
2355 sunos)
2356 FFSERVERLDFLAGS=""
2357 SHFLAGS='-shared -Wl,-h,$$(@F)'
2358 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2359 network_extralibs="-lsocket -lnsl"
2360 add_cppflags -D__EXTENSIONS__
2361 nm_opts='-P -g'
2362 ;;
2363 netbsd)
2364 disable symver
2365 oss_indev_extralibs="-lossaudio"
2366 oss_outdev_extralibs="-lossaudio"
2367 ;;
2368 openbsd)
2369 enable malloc_aligned
2370 # On OpenBSD 4.5. the compiler does not use PIC unless
2371 # explicitly using -fPIC. Libav builds fine without PIC,
2372 # however the generated executable will not do anything
2373 # (simply quits with exit-code 1, no crash, no output).
2374 # Thus explicitly enable PIC here.
2375 enable pic
2376 disable symver
2377 SHFLAGS='-shared'
2378 oss_indev_extralibs="-lossaudio"
2379 oss_outdev_extralibs="-lossaudio"
2380 ;;
2381 dragonfly)
2382 enable malloc_aligned
2383 disable symver
2384 ;;
2385 freebsd)
2386 enable malloc_aligned
2387 ;;
2388 bsd/os)
2389 add_extralibs -lpoll -lgnugetopt
2390 ;;
2391 darwin)
2392 enable malloc_aligned
2393 gas="gas-preprocessor.pl $cc"
2394 enabled ppc && add_asflags -force_cpusubtype_ALL
2395 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2396 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2397 add_ldflags -Wl,-dynamic,-search_paths_first
2398 SLIBSUF=".dylib"
2399 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2400 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2401 FFSERVERLDFLAGS=-Wl,-bind_at_load
2402 objformat="macho"
2403 enabled x86_64 && objformat="macho64"
2404 enabled_any pic shared ||
2405 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2406 ;;
2407 mingw32*)
2408 if test $target_os = "mingw32ce"; then
2409 disable network
2410 else
2411 target_os=mingw32
2412 fi
2413 LIBTARGET=i386
2414 if enabled x86_64; then
2415 enable malloc_aligned
2416 LIBTARGET="i386:x86-64"
2417 elif enabled arm; then
2418 LIBTARGET=arm-wince
2419 fi
2420 shlibdir_default="$bindir_default"
2421 SLIBPREF=""
2422 SLIBSUF=".dll"
2423 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2424 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2425 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2426 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2427 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2428 install -d "$(LIBDIR)"; \
2429 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2430 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2431 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'
2432 objformat="win32"
2433 dlltool="${cross_prefix}dlltool"
2434 enable dos_paths
2435 check_cflags -fno-common
2436 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2437 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2438 die "ERROR: MinGW runtime version must be >= 3.15."
2439 add_cppflags -U__STRICT_ANSI__
2440 ;;
2441 cygwin*)
2442 target_os=cygwin
2443 shlibdir_default="$bindir_default"
2444 SLIBPREF="cyg"
2445 SLIBSUF=".dll"
2446 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2447 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2448 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2449 objformat="win32"
2450 enable dos_paths
2451 check_cflags -fno-common
2452 ;;
2453 *-dos|freedos|opendos)
2454 network_extralibs="-lsocket"
2455 objformat="coff"
2456 enable dos_paths
2457 ;;
2458 linux)
2459 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2460 enable dv1394
2461 ;;
2462 irix*)
2463 target_os=irix
2464 ranlib="echo ignoring ranlib"
2465 ;;
2466 os/2*)
2467 ln_s="cp -f"
2468 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2469 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2470 FFSERVERLDFLAGS=""
2471 LIBSUF="_s.a"
2472 SLIBPREF=""
2473 SLIBSUF=".dll"
2474 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2475 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2476 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2477 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2478 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2479 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2480 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2481 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2482 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2483 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2484 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2485 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2486 enable dos_paths
2487 ;;
2488 gnu/kfreebsd)
2489 ;;
2490 gnu)
2491 ;;
2492 qnx)
2493 add_cppflags -D_QNX_SOURCE
2494 network_extralibs="-lsocket"
2495 ;;
2496 symbian)
2497 SLIBSUF=".dll"
2498 enable dos_paths
2499 add_cflags --include=$sysinclude/gcce/gcce.h
2500 ;;
2501 none)
2502 ;;
2503 *)
2504 die "Unknown OS '$target_os'."
2505 ;;
2506 esac
2507
2508 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2509
2510 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2511
2512 set_default $PATHS_LIST
2513
2514 # we need to build at least one lib type
2515 if ! enabled_any static shared; then
2516 cat <<EOF
2517 At least one library type must be built.
2518 Specify --enable-static to build the static libraries or --enable-shared to
2519 build the shared libraries as well. To only build the shared libraries specify
2520 --disable-static in addition to --enable-shared.
2521 EOF
2522 exit 1;
2523 fi
2524
2525 disabled static && LIBNAME=""
2526
2527 die_license_disabled() {
2528 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2529 }
2530
2531 die_license_disabled gpl libx264
2532 die_license_disabled gpl libxavs
2533 die_license_disabled gpl libxvid
2534 die_license_disabled gpl postproc
2535 die_license_disabled gpl x11grab
2536
2537 die_license_disabled nonfree libfaac
2538
2539 die_license_disabled version3 libopencore_amrnb
2540 die_license_disabled version3 libopencore_amrwb
2541 die_license_disabled version3 libvo_aacenc
2542 die_license_disabled version3 libvo_amrwbenc
2543
2544 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2545
2546 disabled optimizations || check_cflags -fomit-frame-pointer
2547
2548 enable_pic() {
2549 enable pic
2550 add_cppflags -DPIC
2551 add_cflags -fPIC
2552 add_asflags -fPIC
2553 }
2554
2555 enabled pic && enable_pic
2556
2557 check_cc <<EOF || die "Symbol mangling check failed."
2558 int ff_extern;
2559 EOF
2560 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2561 extern_prefix=${sym%%ff_extern*}
2562
2563 check_cc <<EOF && enable inline_asm
2564 void foo(void) { __asm__ volatile ("" ::); }
2565 EOF
2566
2567 _restrict=
2568 for restrict_keyword in restrict __restrict__ __restrict; do
2569 check_cc <<EOF && _restrict=$restrict_keyword && break
2570 void foo(char * $restrict_keyword p);
2571 EOF
2572 done
2573
2574 check_cc <<EOF && enable attribute_packed
2575 struct { int x; } __attribute__((packed)) x;
2576 EOF
2577
2578 check_cc <<EOF && enable attribute_may_alias
2579 union { int x; } __attribute__((may_alias)) x;
2580 EOF
2581
2582 check_cc <<EOF || die "endian test failed"
2583 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2584 EOF
2585 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2586
2587 if enabled alpha; then
2588
2589 check_cflags -mieee
2590
2591 elif enabled arm; then
2592
2593 check_cflags -marm
2594 nogas=die
2595
2596 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2597 enable vfp_args
2598 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2599 case "${cross_prefix:-$cc}" in
2600 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2601 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2602 __asm__ (".eabi_attribute 28, 1");
2603 int main(void) { return 0; }
2604 EOF
2605 esac
2606 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2607 fi
2608
2609 # We have to check if pld is a nop and disable it.
2610 check_asm pld '"pld [r0]"'
2611
2612 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2613 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2614 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2615 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2616 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2617 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2618
2619 enabled_all armv6t2 shared !pic && enable_pic
2620
2621 elif enabled mips; then
2622
2623 check_asm loongson '"dmult.g $1, $2, $3"'
2624 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2625
2626 elif enabled ppc; then
2627
2628 enable local_aligned_8 local_aligned_16
2629
2630 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2631 check_asm ibm_asm '"add 0, 0, 0"'
2632 check_asm ppc4xx '"maclhw r10, r11, r12"'
2633 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2634
2635 # AltiVec flags: The FSF version of GCC differs from the Apple version
2636 if enabled altivec; then
2637 nogas=warn
2638 check_cflags -maltivec -mabi=altivec &&
2639 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2640 check_cflags -faltivec
2641
2642 # check if our compiler supports Motorola AltiVec C API
2643 check_cc <<EOF || disable altivec
2644 $inc_altivec_h
2645 int main(void) {
2646 vector signed int v1, v2, v3;
2647 v1 = vec_add(v2,v3);
2648 return 0;
2649 }
2650 EOF
2651
2652 # check if our compiler supports braces for vector declarations
2653 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2654 $inc_altivec_h
2655 int main (void) { (vector int) {1}; return 0; }
2656 EOF
2657 fi
2658
2659 elif enabled sparc; then
2660
2661 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2662 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2663
2664 elif enabled x86; then
2665
2666 enable local_aligned_8 local_aligned_16
2667
2668 # check whether EBP is available on x86
2669 # As 'i' is stored on the stack, this program will crash
2670 # if the base pointer is used to access it because the
2671 # base pointer is cleared in the inline assembly code.
2672 check_exec_crash <<EOF && enable ebp_available
2673 volatile int i=0;
2674 __asm__ volatile (
2675 "xorl %%ebp, %%ebp"
2676 ::: "%ebp");
2677 return i;
2678 EOF
2679
2680 # check whether EBX is available on x86
2681 check_asm ebx_available '""::"b"(0)' &&
2682 check_asm ebx_available '"":::"%ebx"'
2683
2684 # check whether xmm clobbers are supported
2685 check_asm xmm_clobbers '"":::"%xmm0"'
2686
2687 # check whether more than 10 operands are supported
2688 check_cc <<EOF && enable ten_operands
2689 int main(void) {
2690 int x=0;
2691 __asm__ volatile(
2692 ""
2693 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2694 );
2695 return 0;
2696 }
2697 EOF
2698
2699 # check whether binutils is new enough to compile SSSE3/MMX2
2700 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2701 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2702
2703 check_asm bswap '"bswap %%eax" ::: "%eax"'
2704
2705 if ! disabled_any asm mmx yasm; then
2706 if check_cmd $yasmexe --version; then
2707 enabled x86_64 && yasm_extra="-m amd64"
2708 yasm_debug="-g dwarf2"
2709 elif check_cmd nasm -v; then
2710 yasmexe=nasm
2711 yasm_debug="-g -F dwarf"
2712 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2713 fi
2714
2715 YASMFLAGS="-f $objformat $yasm_extra"
2716 enabled pic && append YASMFLAGS "-DPIC"
2717 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2718 case "$objformat" in
2719 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2720 esac
2721
2722 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2723 die "yasm not found, use --disable-yasm for a crippled build"
2724 check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2725 fi
2726
2727 case "$cpu" in
2728 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2729 disable fast_clz
2730 ;;
2731 esac
2732
2733 fi
2734
2735 if enabled asm; then
2736 as=${gas:=$as}
2737 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2738 $nogas "GNU assembler not found, install gas-preprocessor"
2739 fi
2740
2741 check_ldflags -Wl,--as-needed
2742
2743 if check_func dlopen; then
2744 ldl=
2745 elif check_func dlopen -ldl; then
2746 ldl=-ldl
2747 fi
2748
2749 if enabled network; then
2750 check_type "sys/types.h sys/socket.h" socklen_t
2751 check_type netdb.h "struct addrinfo"
2752 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2753 check_type netinet/in.h "struct sockaddr_in6"
2754 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2755 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2756 # Prefer arpa/inet.h over winsock2
2757 if check_header arpa/inet.h ; then
2758 check_func closesocket
2759 elif check_header winsock2.h ; then
2760 check_func_headers winsock2.h closesocket -lws2 && \
2761 network_extralibs="-lws2" || \
2762 { check_func_headers winsock2.h closesocket -lws2_32 && \
2763 network_extralibs="-lws2_32"; }
2764 check_type ws2tcpip.h socklen_t
2765 check_type ws2tcpip.h "struct addrinfo"
2766 check_type ws2tcpip.h "struct ipv6_mreq"
2767 check_type ws2tcpip.h "struct sockaddr_in6"
2768 check_type ws2tcpip.h "struct sockaddr_storage"
2769 check_struct winsock2.h "struct sockaddr" sa_len
2770 else
2771 disable network
2772 fi
2773 fi
2774
2775 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2776 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2777
2778 check_func fcntl
2779 check_func fork
2780 check_func getaddrinfo $network_extralibs
2781 check_func gethrtime
2782 check_func getrusage
2783 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2784 check_func inet_aton $network_extralibs
2785 check_func isatty
2786 check_func localtime_r
2787 check_func ${malloc_prefix}memalign && enable memalign
2788 check_func mkstemp
2789 check_func mmap
2790 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2791 check_func setrlimit
2792 check_func strerror_r
2793 check_func strtok_r
2794 check_func_headers conio.h kbhit
2795 check_func_headers io.h setmode
2796 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2797 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2798 check_func_headers windows.h GetProcessTimes
2799 check_func_headers windows.h MapViewOfFile
2800 check_func_headers windows.h VirtualAlloc
2801
2802 check_header dlfcn.h
2803 check_header dxva2api.h
2804 check_header malloc.h
2805 check_header poll.h
2806 check_header sys/mman.h
2807 check_header sys/resource.h
2808 check_header sys/select.h
2809 check_header vdpau/vdpau.h
2810 check_header vdpau/vdpau_x11.h
2811 check_header X11/extensions/XvMClib.h
2812
2813 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2814
2815 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2816 enabled_any $need_memalign ; then
2817 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2818 fi
2819
2820 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2821 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2822
2823 # check for some common methods of building with pthread support
2824 # do this before the optional library checks as some of them require pthreads
2825 if ! disabled pthreads && ! enabled w32threads; then
2826 enable pthreads
2827 if check_func pthread_create; then
2828 :
2829 elif check_func pthread_create -pthread; then
2830 add_cflags -pthread
2831 add_extralibs -pthread
2832 elif check_func pthread_create -pthreads; then
2833 add_cflags -pthreads
2834 add_extralibs -pthreads
2835 elif check_func pthread_create -lpthreadGC2; then
2836 add_extralibs -lpthreadGC2
2837 elif ! check_lib pthread.h pthread_create -lpthread; then
2838 disable pthreads
2839 fi
2840 fi
2841
2842 for thread in $THREADS_LIST; do
2843 if enabled $thread; then
2844 test -n "$thread_type" &&
2845 die "ERROR: Only one thread type must be selected." ||
2846 thread_type="$thread"
2847 fi
2848 done
2849
2850 check_lib math.h sin -lm && LIBM="-lm"
2851 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2852
2853 check_mathfunc exp2
2854 check_mathfunc exp2f
2855 check_mathfunc llrint
2856 check_mathfunc llrintf
2857 check_mathfunc log2
2858 check_mathfunc log2f
2859 check_mathfunc lrint
2860 check_mathfunc lrintf
2861 check_mathfunc round
2862 check_mathfunc roundf
2863 check_mathfunc trunc
2864 check_mathfunc truncf
2865
2866 # these are off by default, so fail if requested and not available
2867 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2868 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2869 enabled libdirac && require_pkg_config dirac \
2870 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2871 "dirac_decoder_init dirac_encoder_init"
2872 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2873 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2874 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2875 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2876 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2877 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2878 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2879 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2880 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2881 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2882 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2883 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2884 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2885 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2886 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2887 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2888 enabled libvpx && {
2889 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2890 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2891 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2892 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2893 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2894 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2895 die "ERROR: libx264 version must be >= 0.99."; }
2896 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2897 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2898 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2899
2900 # libdc1394 check
2901 if enabled libdc1394; then
2902 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2903 enable libdc1394_2; } ||
2904 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2905 enable libdc1394_1; } ||
2906 die "ERROR: No version of libdc1394 found "
2907 fi
2908
2909 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2910 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2911 enable sdl &&
2912 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2913 fi
2914
2915 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2916
2917 check_header linux/fb.h
2918 check_header linux/videodev.h
2919 check_header linux/videodev2.h
2920 check_header sys/videoio.h
2921
2922 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2923 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2924 # w32api 3.12 had it defined wrong
2925 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2926
2927 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2928 { check_header dev/bktr/ioctl_meteor.h &&
2929 check_header dev/bktr/ioctl_bt848.h; } ||
2930 { check_header machine/ioctl_meteor.h &&
2931 check_header machine/ioctl_bt848.h; } ||
2932 { check_header dev/video/meteor/ioctl_meteor.h &&
2933 check_header dev/video/bktr/ioctl_bt848.h; } ||
2934 check_header dev/ic/bt8xx.h
2935
2936 check_header sndio.h
2937 check_header sys/soundcard.h
2938 check_header soundcard.h
2939
2940 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2941
2942 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2943
2944 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2945
2946 enabled x11grab &&
2947 check_header X11/Xlib.h &&
2948 check_header X11/extensions/XShm.h &&
2949 check_header X11/extensions/Xfixes.h &&
2950 check_func XOpenDisplay -lX11 &&
2951 check_func XShmCreateImage -lX11 -lXext &&
2952 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2953
2954 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2955 check_cpp_condition \
2956 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2957 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2958 disable vdpau; }
2959 fi
2960
2961 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2962
2963 # add some useful compiler flags if supported
2964 check_cflags -Wdeclaration-after-statement
2965 check_cflags -Wall
2966 check_cflags -Wno-parentheses
2967 check_cflags -Wno-switch
2968 check_cflags -Wdisabled-optimization
2969 check_cflags -Wpointer-arith
2970 check_cflags -Wredundant-decls
2971 check_cflags -Wno-pointer-sign
2972 check_cflags -Wcast-qual
2973 check_cflags -Wwrite-strings
2974 check_cflags -Wtype-limits
2975 check_cflags -Wundef
2976 check_cflags -Wmissing-prototypes
2977 enabled extra_warnings && check_cflags -Winline
2978
2979 # add some linker flags
2980 check_ldflags -Wl,--warn-common
2981 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2982 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2983
2984 echo "X{};" > $TMPV
2985 if test_ldflags -Wl,--version-script,$TMPV; then
2986 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2987 check_cc <<EOF && enable symver_asm_label
2988 void ff_foo(void) __asm__ ("av_foo@VERSION");
2989 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2990 EOF
2991 check_cc <<EOF && enable symver_gnu_asm
2992 __asm__(".symver ff_foo,av_foo@VERSION");
2993 void ff_foo(void) {}
2994 EOF
2995 fi
2996
2997 if enabled small; then
2998 add_cflags $size_cflags
2999 optimizations="small"
3000 elif enabled optimizations; then
3001 add_cflags $speed_cflags
3002 else
3003 add_cflags $noopt_cflags
3004 fi
3005 check_cflags -fno-math-errno
3006 check_cflags -fno-signed-zeros
3007
3008 if enabled icc; then
3009 # Just warnings, no remarks
3010 check_cflags -w1
3011 # -wd: Disable following warnings
3012 # 144, 167, 556: -Wno-pointer-sign
3013 # 1292: attribute "foo" ignored
3014 # 10006: ignoring unknown option -fno-signed-zeros
3015 # 10148: ignoring unknown option -Wno-parentheses
3016 # 10156: ignoring option '-W'; no argument required
3017 check_cflags -wd144,167,556,1292,10006,10148,10156
3018 # 11030: Warning unknown option --as-needed
3019 # 10156: ignoring option '-export'; no argument required
3020 check_ldflags -wd10156,11030
3021 # Allow to compile with optimizations
3022 check_ldflags -march=$cpu
3023 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3024 enable ebp_available
3025 if enabled x86_32; then
3026 test ${icc_version%%.*} -ge 11 && \
3027 check_cflags -falign-stack=maintain-16-byte || \
3028 disable aligned_stack
3029 fi
3030 elif enabled ccc; then
3031 # disable some annoying warnings
3032 add_cflags -msg_disable cvtu32to64
3033 add_cflags -msg_disable embedcomment
3034 add_cflags -msg_disable needconstext
3035 add_cflags -msg_disable nomainieee
3036 add_cflags -msg_disable ptrmismatch1
3037 add_cflags -msg_disable unreachcode
3038 elif enabled gcc; then
3039 check_cflags -fno-tree-vectorize
3040 check_cflags -Werror=implicit-function-declaration
3041 check_cflags -Werror=missing-prototypes
3042 elif enabled llvm_gcc; then
3043 check_cflags -mllvm -stack-alignment=16
3044 elif enabled clang; then
3045 check_cflags -mllvm -stack-alignment=16
3046 check_cflags -Qunused-arguments
3047 elif enabled armcc; then
3048 # 2523: use of inline assembler is deprecated
3049 add_cflags -W${armcc_opt},--diag_suppress=2523
3050 add_cflags -W${armcc_opt},--diag_suppress=1207
3051 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3052 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3053 elif enabled tms470; then
3054 add_cflags -pds=824 -pds=837
3055 elif enabled pathscale; then
3056 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3057 fi
3058
3059 enabled_any $THREADS_LIST && enable threads
3060
3061 check_deps $CONFIG_LIST \
3062 $CONFIG_EXTRA \
3063 $HAVE_LIST \
3064 $DECODER_LIST \
3065 $ENCODER_LIST \
3066 $HWACCEL_LIST \
3067 $PARSER_LIST \
3068 $BSF_LIST \
3069 $DEMUXER_LIST \
3070 $MUXER_LIST \
3071 $FILTER_LIST \
3072 $INDEV_LIST \
3073 $OUTDEV_LIST \
3074 $PROTOCOL_LIST \
3075 $ACODEC_TESTS \
3076 $VCODEC_TESTS \
3077 $LAVF_TESTS \
3078 $LAVFI_TESTS \
3079 $SEEK_TESTS \
3080
3081 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3082
3083 echo "install prefix $prefix"
3084 echo "source path $source_path"
3085 echo "C compiler $cc"
3086 echo "ARCH $arch ($cpu)"
3087 if test "$build_suffix" != ""; then
3088 echo "build suffix $build_suffix"
3089 fi
3090 if test "$extra_version" != ""; then
3091 echo "version string suffix $extra_version"
3092 fi
3093 echo "big-endian ${bigendian-no}"
3094 echo "runtime cpu detection ${runtime_cpudetect-no}"
3095 if enabled x86; then
3096 echo "yasm ${yasm-no}"
3097 echo "MMX enabled ${mmx-no}"
3098 echo "MMX2 enabled ${mmx2-no}"
3099 echo "3DNow! enabled ${amd3dnow-no}"
3100 echo "3DNow! extended enabled ${amd3dnowext-no}"
3101 echo "SSE enabled ${sse-no}"
3102 echo "SSSE3 enabled ${ssse3-no}"
3103 echo "CMOV enabled ${cmov-no}"
3104 echo "CMOV is fast ${fast_cmov-no}"
3105 echo "EBX available ${ebx_available-no}"
3106 echo "EBP available ${ebp_available-no}"
3107 echo "10 operands supported ${ten_operands-no}"
3108 fi
3109 if enabled arm; then
3110 echo "ARMv5TE enabled ${armv5te-no}"
3111 echo "ARMv6 enabled ${armv6-no}"
3112 echo "ARMv6T2 enabled ${armv6t2-no}"
3113 echo "ARM VFP enabled ${armvfp-no}"
3114 echo "IWMMXT enabled ${iwmmxt-no}"
3115 echo "NEON enabled ${neon-no}"
3116 fi
3117 if enabled mips; then
3118 echo "MMI enabled ${mmi-no}"
3119 fi
3120 if enabled ppc; then
3121 echo "AltiVec enabled ${altivec-no}"
3122 echo "PPC 4xx optimizations ${ppc4xx-no}"
3123 echo "dcbzl available ${dcbzl-no}"
3124 fi
3125 if enabled sparc; then
3126 echo "VIS enabled ${vis-no}"
3127 fi
3128 echo "debug symbols ${debug-no}"
3129 echo "optimizations ${optimizations-no}"
3130 echo "static ${static-no}"
3131 echo "shared ${shared-no}"
3132 echo "postprocessing support ${postproc-no}"
3133 echo "new filter support ${avfilter-no}"
3134 echo "network support ${network-no}"
3135 echo "threading support ${thread_type-no}"
3136 echo "SDL support ${sdl-no}"
3137 echo "Sun medialib support ${mlib-no}"
3138 echo "AVISynth enabled ${avisynth-no}"
3139 echo "frei0r enabled ${frei0r-no}"
3140 echo "libdc1394 support ${libdc1394-no}"
3141 echo "libdirac enabled ${libdirac-no}"
3142 echo "libfaac enabled ${libfaac-no}"
3143 echo "libgsm enabled ${libgsm-no}"
3144 echo "libmp3lame enabled ${libmp3lame-no}"
3145 echo "libnut enabled ${libnut-no}"
3146 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3147 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3148 echo "libopencv support ${libopencv-no}"
3149 echo "libopenjpeg enabled ${libopenjpeg-no}"
3150 echo "librtmp enabled ${librtmp-no}"
3151 echo "libschroedinger enabled ${libschroedinger-no}"
3152 echo "libspeex enabled ${libspeex-no}"
3153 echo "libtheora enabled ${libtheora-no}"
3154 echo "libva enabled ${vaapi-no}"
3155 echo "libvo-aacenc support ${libvo_aacenc-no}"
3156 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3157 echo "libvorbis enabled ${libvorbis-no}"
3158 echo "libvpx enabled ${libvpx-no}"
3159 echo "libx264 enabled ${libx264-no}"
3160 echo "libxavs enabled ${libxavs-no}"
3161 echo "libxvid enabled ${libxvid-no}"
3162 echo "zlib enabled ${zlib-no}"
3163 echo "bzlib enabled ${bzlib-no}"
3164 echo
3165
3166 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3167 echo "Enabled ${type}s:"
3168 eval list=\$$(toupper $type)_LIST
3169 print_enabled '_*' $list | sort | pr -r -3 -t
3170 echo
3171 done
3172
3173 license="LGPL version 2.1 or later"
3174 if enabled nonfree; then
3175 license="nonfree and unredistributable"
3176 elif enabled gplv3; then
3177 license="GPL version 3 or later"
3178 elif enabled lgplv3; then
3179 license="LGPL version 3 or later"
3180 elif enabled gpl; then
3181 license="GPL version 2 or later"
3182 fi
3183
3184 echo "License: $license"
3185
3186 echo "Creating config.mak and config.h..."
3187
3188 # build tree in object directory if source path is different from current one
3189 if enabled source_path_used; then
3190 DIRS="
3191 doc
3192 libavcodec
3193 libavcodec/$arch
3194 libavdevice
3195 libavfilter
3196 libavfilter/$arch
3197 libavformat
3198 libavutil
3199 libavutil/$arch
3200 libpostproc
3201 libswscale
3202 libswscale/$arch
3203 tests
3204 tools
3205 "
3206 FILES="
3207 Makefile
3208 common.mak
3209 subdir.mak
3210 doc/texi2pod.pl
3211 libavcodec/Makefile
3212 libavcodec/${arch}/Makefile
3213 libavdevice/Makefile
3214 libavfilter/Makefile
3215 libavfilter/${arch}/Makefile
3216 libavformat/Makefile
3217 libavutil/Makefile
3218 libpostproc/Makefile
3219 libswscale/Makefile
3220 "
3221 map 'mkdir -p $v' $DIRS;
3222 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3223 fi
3224
3225 config_files="$TMPH config.mak"
3226
3227 cat > config.mak <<EOF
3228 # Automatically generated by configure - do not modify!
3229 ifndef LIBAV_CONFIG_MAK
3230 LIBAV_CONFIG_MAK=1
3231 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3232 prefix=$prefix
3233 LIBDIR=\$(DESTDIR)$libdir
3234 SHLIBDIR=\$(DESTDIR)$shlibdir
3235 INCDIR=\$(DESTDIR)$incdir
3236 BINDIR=\$(DESTDIR)$bindir
3237 DATADIR=\$(DESTDIR)$datadir
3238 MANDIR=\$(DESTDIR)$mandir
3239 SRC_PATH="$source_path"
3240 SRC_PATH_BARE=$source_path
3241 BUILD_ROOT="$PWD"
3242 CC_IDENT=$cc_ident
3243 ARCH=$arch
3244 CC=$cc
3245 AS=$as
3246 LD=$ld
3247 DEPCC=$dep_cc
3248 YASM=$yasmexe
3249 YASMDEP=$yasmexe
3250 AR=$ar
3251 RANLIB=$ranlib
3252 LN_S=$ln_s
3253 CPPFLAGS=$CPPFLAGS
3254 CFLAGS=$CFLAGS
3255 ASFLAGS=$ASFLAGS
3256 CC_O=$CC_O
3257 DLLTOOL=$dlltool
3258 LDFLAGS=$LDFLAGS
3259 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3260 SHFLAGS=$SHFLAGS
3261 YASMFLAGS=$YASMFLAGS
3262 BUILDSUF=$build_suffix
3263 FULLNAME=$FULLNAME
3264 LIBPREF=$LIBPREF
3265 LIBSUF=$LIBSUF
3266 LIBNAME=$LIBNAME
3267 SLIBPREF=$SLIBPREF
3268 SLIBSUF=$SLIBSUF
3269 EXESUF=$EXESUF
3270 EXTRA_VERSION=$extra_version
3271 DEPFLAGS=$DEPFLAGS
3272 CCDEP=$CCDEP
3273 ASDEP=$ASDEP
3274 CC_DEPFLAGS=$CC_DEPFLAGS
3275 AS_DEPFLAGS=$AS_DEPFLAGS
3276 HOSTCC=$host_cc
3277 HOSTCFLAGS=$host_cflags
3278 HOSTEXESUF=$HOSTEXESUF
3279 HOSTLDFLAGS=$host_ldflags
3280 HOSTLIBS=$host_libs
3281 TARGET_EXEC=$target_exec
3282 TARGET_PATH=$target_path
3283 SDL_LIBS=$sdl_libs
3284 SDL_CFLAGS=$sdl_cflags
3285 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3286 EXTRALIBS=$extralibs
3287 INSTALL=install
3288 LIBTARGET=${LIBTARGET}
3289 SLIBNAME=${SLIBNAME}
3290 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3291 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3292 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3293 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3294 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3295 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3296 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3297 EOF
3298
3299 get_version(){
3300 name=$1
3301 file=$source_path/$2
3302 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3303 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3304 lcname=$(tolower $name)
3305 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3306 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3307 }
3308
3309 get_version LIBSWSCALE libswscale/swscale.h
3310 get_version LIBPOSTPROC libpostproc/postprocess.h
3311 get_version LIBAVCODEC libavcodec/version.h
3312 get_version LIBAVDEVICE libavdevice/avdevice.h
3313 get_version LIBAVFORMAT libavformat/version.h
3314 get_version LIBAVUTIL libavutil/avutil.h
3315 get_version LIBAVFILTER libavfilter/avfilter.h
3316
3317 cat > $TMPH <<EOF
3318 /* Automatically generated by configure - do not modify! */
3319 #ifndef LIBAV_CONFIG_H
3320 #define LIBAV_CONFIG_H
3321 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3322 #define LIBAV_LICENSE "$(c_escape $license)"
3323 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3324 #define CC_TYPE "$cc_type"
3325 #define CC_VERSION $cc_version
3326 #define restrict $_restrict
3327 #define EXTERN_PREFIX "${extern_prefix}"
3328 #define EXTERN_ASM ${extern_prefix}
3329 #define SLIBSUF "$SLIBSUF"
3330 EOF
3331
3332 test -n "$malloc_prefix" &&
3333 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3334
3335 if enabled small || disabled optimizations; then
3336 echo "#undef av_always_inline" >> $TMPH
3337 if enabled small; then
3338 echo "#define av_always_inline inline" >> $TMPH
3339 else
3340 echo "#define av_always_inline av_unused" >> $TMPH
3341 fi
3342 fi
3343
3344 if enabled yasm; then
3345 append config_files $TMPASM
3346 printf '' >$TMPASM
3347 fi
3348
3349 print_config ARCH_ "$config_files" $ARCH_LIST
3350 print_config HAVE_ "$config_files" $HAVE_LIST
3351 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3352 $CONFIG_EXTRA \
3353 $DECODER_LIST \
3354 $ENCODER_LIST \
3355 $HWACCEL_LIST \
3356 $PARSER_LIST \
3357 $BSF_LIST \
3358 $DEMUXER_LIST \
3359 $MUXER_LIST \
3360 $FILTER_LIST \
3361 $PROTOCOL_LIST \
3362 $INDEV_LIST \
3363 $OUTDEV_LIST \
3364
3365 cat >>config.mak <<EOF
3366 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3367 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3368 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3369 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3370 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3371 EOF
3372
3373 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3374 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3375
3376 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3377 cp_if_changed $TMPH config.h
3378 touch .config
3379
3380 enabled yasm && cp_if_changed $TMPASM config.asm
3381
3382 cat > $TMPH <<EOF
3383 /* Generated by ffconf */
3384 #ifndef AVUTIL_AVCONFIG_H
3385 #define AVUTIL_AVCONFIG_H
3386 EOF
3387
3388 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3389
3390 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3391
3392 cp_if_changed $TMPH libavutil/avconfig.h
3393
3394 test -n "$WARNINGS" && printf "\n$WARNINGS"
3395
3396 # build pkg-config files
3397
3398 pkgconfig_generate(){
3399 name=$1
3400 shortname=${name#lib}${build_suffix}
3401 comment=$2
3402 version=$3
3403 libs=$4
3404 requires=$5
3405 enabled ${name#lib} || return 0
3406 cat <<EOF > $name/$name.pc
3407 prefix=$prefix
3408 exec_prefix=\${prefix}
3409 libdir=$libdir
3410 includedir=$incdir
3411
3412 Name: $name
3413 Description: $comment
3414 Version: $version
3415 Requires: $(enabled shared || echo $requires)
3416 Requires.private: $(enabled shared && echo $requires)
3417 Conflicts:
3418 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3419 Libs.private: $(enabled shared && echo $libs)
3420 Cflags: -I\${includedir}
3421 EOF
3422 cat <<EOF > $name/$name-uninstalled.pc
3423 prefix=
3424 exec_prefix=
3425 libdir=\${pcfiledir}
3426 includedir=${source_path}
3427
3428 Name: $name
3429 Description: $comment
3430 Version: $version
3431 Requires: $requires
3432 Conflicts:
3433 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3434 Cflags: -I\${includedir}
3435 EOF
3436 }
3437
3438 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3439 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3440 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3441 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3442 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3443 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3444 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"