add Flash Screen Video 2 decoder
[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 --disable-postproc disable libpostproc build
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 --enable-vaapi enable VAAPI code
110 --enable-vdpau enable 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 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-avx disable AVX optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239 --disable-symver disable symbol versioning
240 --optflags override optimization-related compiler flags
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" && echo "$2 is unchanged" && return
879 mkdir -p "$(dirname $2)"
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 mpegaudiodsp
956 network
957 nonfree
958 pic
959 postproc
960 rdft
961 rtpdec
962 runtime_cpudetect
963 shared
964 sinewin
965 small
966 sram
967 static
968 swscale
969 swscale_alpha
970 thumb
971 vaapi
972 vdpau
973 version3
974 x11grab
975 zlib
976 "
977
978 THREADS_LIST='
979 pthreads
980 w32threads
981 '
982
983 ARCH_LIST='
984 alpha
985 arm
986 avr32
987 avr32_ap
988 avr32_uc
989 bfin
990 ia64
991 m68k
992 mips
993 mips64
994 parisc
995 ppc
996 ppc64
997 s390
998 sh4
999 sparc
1000 sparc64
1001 tomi
1002 x86
1003 x86_32
1004 x86_64
1005 '
1006
1007 ARCH_EXT_LIST='
1008 altivec
1009 amd3dnow
1010 amd3dnowext
1011 armv5te
1012 armv6
1013 armv6t2
1014 armvfp
1015 avx
1016 iwmmxt
1017 mmi
1018 mmx
1019 mmx2
1020 neon
1021 ppc4xx
1022 sse
1023 ssse3
1024 vfpv3
1025 vis
1026 '
1027
1028 HAVE_LIST_PUB='
1029 bigendian
1030 fast_unaligned
1031 '
1032
1033 HAVE_LIST="
1034 $ARCH_EXT_LIST
1035 $HAVE_LIST_PUB
1036 $THREADS_LIST
1037 aligned_stack
1038 alsa_asoundlib_h
1039 altivec_h
1040 arpa_inet_h
1041 attribute_may_alias
1042 attribute_packed
1043 bswap
1044 closesocket
1045 cmov
1046 dcbzl
1047 dev_bktr_ioctl_bt848_h
1048 dev_bktr_ioctl_meteor_h
1049 dev_ic_bt8xx_h
1050 dev_video_meteor_ioctl_meteor_h
1051 dev_video_bktr_ioctl_bt848_h
1052 dlfcn_h
1053 dlopen
1054 dos_paths
1055 ebp_available
1056 ebx_available
1057 exp2
1058 exp2f
1059 fast_64bit
1060 fast_clz
1061 fast_cmov
1062 fcntl
1063 fork
1064 getaddrinfo
1065 gethrtime
1066 GetProcessMemoryInfo
1067 GetProcessTimes
1068 getrusage
1069 gnu_as
1070 struct_rusage_ru_maxrss
1071 ibm_asm
1072 inet_aton
1073 inline_asm
1074 isatty
1075 ldbrx
1076 libdc1394_1
1077 libdc1394_2
1078 llrint
1079 llrintf
1080 local_aligned_16
1081 local_aligned_8
1082 localtime_r
1083 log2
1084 log2f
1085 loongson
1086 lrint
1087 lrintf
1088 lzo1x_999_compress
1089 machine_ioctl_bt848_h
1090 machine_ioctl_meteor_h
1091 malloc_h
1092 MapViewOfFile
1093 memalign
1094 mkstemp
1095 mmap
1096 posix_memalign
1097 round
1098 roundf
1099 sdl
1100 sdl_video_size
1101 setmode
1102 sndio_h
1103 socklen_t
1104 soundcard_h
1105 poll_h
1106 setrlimit
1107 strerror_r
1108 strptime
1109 strtok_r
1110 struct_addrinfo
1111 struct_ipv6_mreq
1112 struct_sockaddr_in6
1113 struct_sockaddr_sa_len
1114 struct_sockaddr_storage
1115 symver
1116 symver_gnu_asm
1117 symver_asm_label
1118 sys_mman_h
1119 sys_resource_h
1120 sys_select_h
1121 sys_soundcard_h
1122 sys_videoio_h
1123 threads
1124 trunc
1125 truncf
1126 vfp_args
1127 VirtualAlloc
1128 winsock2_h
1129 xform_asm
1130 xmm_clobbers
1131 yasm
1132 "
1133
1134 # options emitted with CONFIG_ prefix but not available on command line
1135 CONFIG_EXTRA="
1136 avutil
1137 gplv3
1138 lgplv3
1139 "
1140
1141 CMDLINE_SELECT="
1142 $ARCH_EXT_LIST
1143 $CONFIG_LIST
1144 $THREADS_LIST
1145 asm
1146 cross_compile
1147 debug
1148 extra_warnings
1149 logging
1150 optimizations
1151 symver
1152 yasm
1153 "
1154
1155 PATHS_LIST='
1156 bindir
1157 datadir
1158 incdir
1159 libdir
1160 mandir
1161 prefix
1162 shlibdir
1163 '
1164
1165 CMDLINE_SET="
1166 $PATHS_LIST
1167 ar
1168 arch
1169 as
1170 build_suffix
1171 cc
1172 cpu
1173 cross_prefix
1174 dep_cc
1175 extra_version
1176 host_cc
1177 host_cflags
1178 host_ldflags
1179 host_libs
1180 host_os
1181 ld
1182 logfile
1183 malloc_prefix
1184 nm
1185 optflags
1186 pkg_config
1187 samples
1188 sysinclude
1189 sysroot
1190 target_exec
1191 target_os
1192 target_path
1193 "
1194
1195 CMDLINE_APPEND="
1196 extra_cflags
1197 "
1198
1199 # code dependency declarations
1200
1201 # architecture extensions
1202
1203 armv5te_deps="arm"
1204 armv6_deps="arm"
1205 armv6t2_deps="arm"
1206 armvfp_deps="arm"
1207 iwmmxt_deps="arm"
1208 neon_deps="arm"
1209 vfpv3_deps="armvfp"
1210
1211 mmi_deps="mips"
1212
1213 altivec_deps="ppc"
1214 ppc4xx_deps="ppc"
1215
1216 vis_deps="sparc"
1217
1218 x86_64_suggest="cmov fast_cmov"
1219 amd3dnow_deps="mmx"
1220 amd3dnowext_deps="amd3dnow"
1221 mmx_deps="x86"
1222 mmx2_deps="mmx"
1223 sse_deps="mmx"
1224 ssse3_deps="sse"
1225 avx_deps="ssse3"
1226
1227 aligned_stack_if_any="ppc x86"
1228 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1229 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1230 fast_unaligned_if_any="armv6 ppc x86"
1231
1232 need_memalign="altivec neon sse"
1233 inline_asm_deps="!tms470"
1234
1235 symver_if_any="symver_asm_label symver_gnu_asm"
1236
1237 # subsystems
1238 dct_select="rdft"
1239 mdct_select="fft"
1240 rdft_select="fft"
1241 mpegaudiodsp_select="dct"
1242
1243 # decoders / encoders / hardware accelerators
1244 aac_decoder_select="mdct sinewin"
1245 aac_encoder_select="mdct sinewin"
1246 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1247 ac3_decoder_select="mdct ac3dsp ac3_parser"
1248 ac3_encoder_select="mdct ac3dsp"
1249 ac3_fixed_encoder_select="mdct ac3dsp"
1250 alac_encoder_select="lpc"
1251 amrnb_decoder_select="lsp"
1252 amrwb_decoder_select="lsp"
1253 atrac1_decoder_select="mdct sinewin"
1254 atrac3_decoder_select="mdct"
1255 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1256 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1257 cavs_decoder_select="golomb"
1258 cook_decoder_select="mdct sinewin"
1259 cscd_decoder_suggest="zlib"
1260 dca_decoder_select="mdct"
1261 dnxhd_encoder_select="aandct"
1262 dxa_decoder_select="zlib"
1263 eac3_decoder_select="ac3_decoder"
1264 eac3_encoder_select="mdct ac3dsp"
1265 eamad_decoder_select="aandct"
1266 eatgq_decoder_select="aandct"
1267 eatqi_decoder_select="aandct"
1268 ffv1_decoder_select="golomb"
1269 flac_decoder_select="golomb"
1270 flac_encoder_select="golomb lpc"
1271 flashsv_decoder_select="zlib"
1272 flashsv_encoder_select="zlib"
1273 flashsv2_decoder_select="zlib"
1274 flv_decoder_select="h263_decoder"
1275 flv_encoder_select="h263_encoder"
1276 fraps_decoder_select="huffman"
1277 h261_encoder_select="aandct"
1278 h263_decoder_select="h263_parser"
1279 h263_encoder_select="aandct"
1280 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1281 h263i_decoder_select="h263_decoder"
1282 h263p_encoder_select="h263_encoder"
1283 h264_decoder_select="golomb h264dsp h264pred"
1284 h264_dxva2_hwaccel_deps="dxva2api_h"
1285 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1286 h264_vaapi_hwaccel_select="vaapi"
1287 h264_vdpau_decoder_select="vdpau h264_decoder"
1288 imc_decoder_select="fft mdct sinewin"
1289 jpegls_decoder_select="golomb"
1290 jpegls_encoder_select="golomb"
1291 ljpeg_encoder_select="aandct"
1292 loco_decoder_select="golomb"
1293 mjpeg_encoder_select="aandct"
1294 mlp_decoder_select="mlp_parser"
1295 mp1_decoder_select="mpegaudiodsp"
1296 mp2_decoder_select="mpegaudiodsp"
1297 mp3adu_decoder_select="mpegaudiodsp"
1298 mp3_decoder_select="mpegaudiodsp"
1299 mp3on4_decoder_select="mpegaudiodsp"
1300 mp1float_decoder_select="mpegaudiodsp"
1301 mp2float_decoder_select="mpegaudiodsp"
1302 mp3adufloat_decoder_select="mpegaudiodsp"
1303 mp3float_decoder_select="mpegaudiodsp"
1304 mp3on4float_decoder_select="mpegaudiodsp"
1305 mpeg1video_encoder_select="aandct"
1306 mpeg2video_encoder_select="aandct"
1307 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1308 mpeg4_encoder_select="h263_encoder"
1309 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1310 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1311 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1312 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1313 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1314 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1315 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1316 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1317 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1318 msmpeg4v1_decoder_select="h263_decoder"
1319 msmpeg4v1_encoder_select="h263_encoder"
1320 msmpeg4v2_decoder_select="h263_decoder"
1321 msmpeg4v2_encoder_select="h263_encoder"
1322 msmpeg4v3_decoder_select="h263_decoder"
1323 msmpeg4v3_encoder_select="h263_encoder"
1324 nellymoser_decoder_select="mdct sinewin"
1325 nellymoser_encoder_select="mdct sinewin"
1326 png_decoder_select="zlib"
1327 png_encoder_select="zlib"
1328 qcelp_decoder_select="lsp"
1329 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1330 ra_144_encoder_select="lpc"
1331 rv10_decoder_select="h263_decoder"
1332 rv10_encoder_select="h263_encoder"
1333 rv20_decoder_select="h263_decoder"
1334 rv20_encoder_select="h263_encoder"
1335 rv30_decoder_select="golomb h264pred"
1336 rv40_decoder_select="golomb h264pred"
1337 shorten_decoder_select="golomb"
1338 sipr_decoder_select="lsp"
1339 snow_decoder_select="dwt"
1340 snow_encoder_select="aandct dwt"
1341 svq1_encoder_select="aandct"
1342 svq3_decoder_select="golomb h264dsp h264pred"
1343 svq3_decoder_suggest="zlib"
1344 theora_decoder_select="vp3_decoder"
1345 tiff_decoder_suggest="zlib"
1346 tiff_encoder_suggest="zlib"
1347 truehd_decoder_select="mlp_decoder"
1348 tscc_decoder_select="zlib"
1349 twinvq_decoder_select="mdct lsp sinewin"
1350 vc1_decoder_select="h263_decoder"
1351 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1352 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1353 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1354 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1355 vorbis_decoder_select="mdct"
1356 vorbis_encoder_select="mdct"
1357 vp6_decoder_select="huffman"
1358 vp6a_decoder_select="vp6_decoder"
1359 vp6f_decoder_select="vp6_decoder"
1360 vp8_decoder_select="h264pred"
1361 wmapro_decoder_select="mdct sinewin"
1362 wmav1_decoder_select="mdct sinewin"
1363 wmav1_encoder_select="mdct sinewin"
1364 wmav2_decoder_select="mdct sinewin"
1365 wmav2_encoder_select="mdct sinewin"
1366 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1367 wmv1_decoder_select="h263_decoder"
1368 wmv1_encoder_select="h263_encoder"
1369 wmv2_decoder_select="h263_decoder"
1370 wmv2_encoder_select="h263_encoder"
1371 wmv3_decoder_select="vc1_decoder"
1372 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1373 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1374 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1375 zlib_decoder_select="zlib"
1376 zlib_encoder_select="zlib"
1377 zmbv_decoder_select="zlib"
1378 zmbv_encoder_select="zlib"
1379
1380 vaapi_deps="va_va_h"
1381 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1382
1383 # parsers
1384 h264_parser_select="golomb h264dsp h264pred"
1385
1386 # external libraries
1387 libdirac_decoder_deps="libdirac !libschroedinger"
1388 libdirac_encoder_deps="libdirac"
1389 libfaac_encoder_deps="libfaac"
1390 libgsm_decoder_deps="libgsm"
1391 libgsm_encoder_deps="libgsm"
1392 libgsm_ms_decoder_deps="libgsm"
1393 libgsm_ms_encoder_deps="libgsm"
1394 libmp3lame_encoder_deps="libmp3lame"
1395 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1396 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1397 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1398 libopenjpeg_decoder_deps="libopenjpeg"
1399 libschroedinger_decoder_deps="libschroedinger"
1400 libschroedinger_encoder_deps="libschroedinger"
1401 libspeex_decoder_deps="libspeex"
1402 libtheora_encoder_deps="libtheora"
1403 libvo_aacenc_encoder_deps="libvo_aacenc"
1404 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1405 libvorbis_encoder_deps="libvorbis"
1406 libvpx_decoder_deps="libvpx"
1407 libvpx_encoder_deps="libvpx"
1408 libx264_encoder_deps="libx264"
1409 libxavs_encoder_deps="libxavs"
1410 libxvid_encoder_deps="libxvid"
1411
1412 # demuxers / muxers
1413 ac3_demuxer_select="ac3_parser"
1414 asf_stream_muxer_select="asf_muxer"
1415 avisynth_demuxer_deps="avisynth"
1416 dirac_demuxer_select="dirac_parser"
1417 eac3_demuxer_select="ac3_parser"
1418 flac_demuxer_select="flac_parser"
1419 ipod_muxer_select="mov_muxer"
1420 libnut_demuxer_deps="libnut"
1421 libnut_muxer_deps="libnut"
1422 matroska_audio_muxer_select="matroska_muxer"
1423 matroska_demuxer_suggest="zlib bzlib"
1424 mov_demuxer_suggest="zlib"
1425 mp3_demuxer_select="mpegaudio_parser"
1426 mp4_muxer_select="mov_muxer"
1427 mpegtsraw_demuxer_select="mpegts_demuxer"
1428 mxf_d10_muxer_select="mxf_muxer"
1429 ogg_demuxer_select="golomb"
1430 psp_muxer_select="mov_muxer"
1431 rtp_demuxer_select="sdp_demuxer"
1432 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1433 rtsp_demuxer_select="http_protocol rtpdec"
1434 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1435 sap_demuxer_select="sdp_demuxer"
1436 sap_muxer_select="rtp_muxer rtp_protocol"
1437 sdp_demuxer_select="rtpdec"
1438 spdif_muxer_select="aac_parser"
1439 tg2_muxer_select="mov_muxer"
1440 tgp_muxer_select="mov_muxer"
1441 w64_demuxer_deps="wav_demuxer"
1442
1443 # indevs / outdevs
1444 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1445 alsa_outdev_deps="alsa_asoundlib_h"
1446 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1447 dv1394_indev_deps="dv1394 dv_demuxer"
1448 fbdev_indev_deps="linux_fb_h"
1449 jack_indev_deps="jack_jack_h"
1450 libdc1394_indev_deps="libdc1394"
1451 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1452 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1453 sndio_indev_deps="sndio_h"
1454 sndio_outdev_deps="sndio_h"
1455 v4l_indev_deps="linux_videodev_h"
1456 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1457 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1458 vfwcap_indev_extralibs="-lavicap32"
1459 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1460 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1461
1462 # protocols
1463 gopher_protocol_deps="network"
1464 http_protocol_deps="network"
1465 http_protocol_select="tcp_protocol"
1466 mmsh_protocol_select="http_protocol"
1467 mmst_protocol_deps="network"
1468 rtmp_protocol_select="tcp_protocol"
1469 rtp_protocol_select="udp_protocol"
1470 tcp_protocol_deps="network"
1471 udp_protocol_deps="network"
1472
1473 # filters
1474 blackframe_filter_deps="gpl"
1475 cropdetect_filter_deps="gpl"
1476 drawtext_filter_deps="libfreetype"
1477 frei0r_filter_deps="frei0r dlopen strtok_r"
1478 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1479 hqdn3d_filter_deps="gpl"
1480 ocv_filter_deps="libopencv"
1481 scale_filter_deps="swscale"
1482 yadif_filter_deps="gpl"
1483
1484 # libraries
1485 avdevice_deps="avcodec avformat"
1486 avformat_deps="avcodec"
1487 postproc_deps="gpl"
1488
1489 # programs
1490 ffmpeg_deps="avcodec avformat swscale"
1491 ffmpeg_select="buffer_filter"
1492 ffplay_deps="avcodec avformat swscale sdl"
1493 ffplay_select="rdft"
1494 ffprobe_deps="avcodec avformat"
1495 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1496 ffserver_extralibs='$ldl'
1497
1498 doc_deps="texi2html"
1499
1500 # tests
1501
1502 test_deps(){
1503 suf1=$1
1504 suf2=$2
1505 shift 2
1506 for v; do
1507 dep=${v%=*}
1508 tests=${v#*=}
1509 for name in ${tests}; do
1510 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1511 done
1512 done
1513 }
1514
1515 test_deps _encoder _decoder \
1516 adpcm_g726=g726 \
1517 adpcm_ima_qt \
1518 adpcm_ima_wav \
1519 adpcm_ms \
1520 adpcm_swf \
1521 adpcm_yamaha=adpcm_yam \
1522 alac \
1523 asv1 \
1524 asv2 \
1525 bmp \
1526 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1527 dvvideo="dv dv50" \
1528 ffv1 \
1529 flac \
1530 flashsv \
1531 flv \
1532 gif \
1533 h261 \
1534 h263="h263 h263p" \
1535 huffyuv \
1536 jpegls \
1537 mjpeg="jpg mjpeg ljpeg" \
1538 mp2 \
1539 mpeg1video="mpeg mpeg1b" \
1540 mpeg2video="mpeg2 mpeg2thread" \
1541 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1542 msmpeg4v3=msmpeg4 \
1543 msmpeg4v2 \
1544 pbm=pbmpipe \
1545 pcx \
1546 pgm="pgm pgmpipe" \
1547 png \
1548 ppm="ppm ppmpipe" \
1549 rawvideo="rgb yuv" \
1550 roq \
1551 rv10 \
1552 rv20 \
1553 sgi \
1554 snow="snow snowll" \
1555 svq1 \
1556 targa=tga \
1557 tiff \
1558 wmav1 \
1559 wmav2 \
1560 wmv1 \
1561 wmv2 \
1562
1563 test_deps _muxer _demuxer \
1564 aiff \
1565 pcm_alaw=alaw \
1566 asf \
1567 au \
1568 avi \
1569 dv=dv_fmt \
1570 ffm \
1571 flv=flv_fmt \
1572 gxf \
1573 matroska=mkv \
1574 mmf \
1575 mov \
1576 pcm_mulaw=mulaw \
1577 mxf="mxf mxf_d10" \
1578 nut \
1579 ogg \
1580 rawvideo=pixfmt \
1581 rm \
1582 swf \
1583 mpegts=ts \
1584 voc \
1585 wav \
1586 yuv4mpegpipe=yuv4mpeg \
1587
1588 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1589 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1590
1591 # default parameters
1592
1593 logfile="config.log"
1594
1595 # installation paths
1596 prefix_default="/usr/local"
1597 bindir_default='${prefix}/bin'
1598 datadir_default='${prefix}/share/ffmpeg'
1599 incdir_default='${prefix}/include'
1600 libdir_default='${prefix}/lib'
1601 mandir_default='${prefix}/share/man'
1602 shlibdir_default="$libdir_default"
1603
1604 # toolchain
1605 ar_default="ar"
1606 cc_default="gcc"
1607 cc_version=\"unknown\"
1608 host_cc_default="gcc"
1609 ln_s="ln -sf"
1610 nm_default="nm"
1611 objformat="elf"
1612 pkg_config_default=pkg-config
1613 ranlib="ranlib"
1614 yasmexe="yasm"
1615 nogas=":"
1616
1617 nm_opts='-g'
1618
1619 # machine
1620 arch_default=$(uname -m)
1621 cpu="generic"
1622
1623 # OS
1624 target_os_default=$(tolower $(uname -s))
1625 host_os=$target_os_default
1626
1627 # configurable options
1628 enable avcodec
1629 enable avdevice
1630 enable avfilter
1631 enable avformat
1632 enable avutil
1633 enable asm
1634 enable debug
1635 enable doc
1636 enable fastdiv
1637 enable ffmpeg
1638 enable ffplay
1639 enable ffprobe
1640 enable ffserver
1641 enable network
1642 enable optimizations
1643 enable postproc
1644 enable protocols
1645 enable static
1646 enable swscale
1647 enable swscale_alpha
1648
1649 # build settings
1650 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1651 FFSERVERLDFLAGS=-Wl,-E
1652 LIBPREF="lib"
1653 LIBSUF=".a"
1654 FULLNAME='$(NAME)$(BUILDSUF)'
1655 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1656 SLIBPREF="lib"
1657 SLIBSUF=".so"
1658 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1659 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1660 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1661 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1662 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1663 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1664
1665 AS_O='-o $@'
1666 CC_O='-o $@'
1667
1668 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1669 host_libs='-lm'
1670
1671 target_path='$(CURDIR)'
1672
1673 # since the object filename is not given with the -MM flag, the compiler
1674 # is only able to print the basename, and we must add the path ourselves
1675 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1676 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1677
1678 # find source path
1679 if test -f configure; then
1680 source_path=.
1681 else
1682 source_path=$(cd $(dirname "$0"); pwd)
1683 echo "$source_path" | grep -q '[[:blank:]]' &&
1684 die "Out of tree builds are impossible with whitespace in source path."
1685 test -e "$source_path/config.h" &&
1686 die "Out of tree builds are impossible with config.h in source dir."
1687 fi
1688
1689 for v in "$@"; do
1690 r=${v#*=}
1691 l=${v%"$r"}
1692 r=$(sh_quote "$r")
1693 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1694 done
1695
1696 find_things(){
1697 thing=$1
1698 pattern=$2
1699 file=$source_path/$3
1700 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1701 }
1702
1703 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1704 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1705 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1706 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1707 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1708 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1709 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1710 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1711 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1712 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1713 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1714
1715 find_tests(){
1716 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1717 }
1718
1719 ACODEC_TESTS=$(find_tests acodec)
1720 VCODEC_TESTS=$(find_tests vsynth1)
1721 LAVF_TESTS=$(find_tests lavf)
1722 LAVFI_TESTS=$(find_tests lavfi)
1723 SEEK_TESTS=$(find_tests seek seek_)
1724
1725 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1726
1727 for n in $COMPONENT_LIST; do
1728 v=$(toupper ${n%s})_LIST
1729 eval enable \$$v
1730 eval ${n}_if_any="\$$v"
1731 done
1732
1733 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1734
1735 die_unknown(){
1736 echo "Unknown option \"$1\"."
1737 echo "See $0 --help for available options."
1738 exit 1
1739 }
1740
1741 show_list() {
1742 suffix=_$1
1743 shift
1744 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1745 exit 0
1746 }
1747
1748 for opt do
1749 optval="${opt#*=}"
1750 case "$opt" in
1751 --extra-ldflags=*) add_ldflags $optval
1752 ;;
1753 --extra-libs=*) add_extralibs $optval
1754 ;;
1755 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1756 ;;
1757 --enable-debug=*) debuglevel="$optval"
1758 ;;
1759 --disable-everything)
1760 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1761 ;;
1762 --enable-*=*|--disable-*=*)
1763 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1764 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1765 eval list=\$$(toupper $thing)_LIST
1766 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1767 $action $(filter "$name" $list)
1768 ;;
1769 --enable-?*|--disable-?*)
1770 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1771 if is_in $option $COMPONENT_LIST; then
1772 test $action = disable && action=unset
1773 eval $action \$$(toupper ${option%s})_LIST
1774 elif is_in $option $CMDLINE_SELECT; then
1775 $action $option
1776 else
1777 die_unknown $opt
1778 fi
1779 ;;
1780 --list-*)
1781 NAME="${opt#--list-}"
1782 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1783 NAME=${NAME%s}
1784 eval show_list $NAME \$$(toupper $NAME)_LIST
1785 ;;
1786 --help|-h) show_help
1787 ;;
1788 *)
1789 optname="${opt%%=*}"
1790 optname="${optname#--}"
1791 optname=$(echo "$optname" | sed 's/-/_/g')
1792 if is_in $optname $CMDLINE_SET; then
1793 eval $optname='$optval'
1794 elif is_in $optname $CMDLINE_APPEND; then
1795 append $optname "$optval"
1796 else
1797 die_unknown $opt
1798 fi
1799 ;;
1800 esac
1801 done
1802
1803 disabled logging && logfile=/dev/null
1804
1805 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1806 set >> $logfile
1807
1808 test -n "$cross_prefix" && enable cross_compile
1809
1810 if enabled cross_compile; then
1811 test -n "$arch" && test -n "$target_os" ||
1812 die "Must specify target arch and OS when cross-compiling"
1813 fi
1814
1815 set_default arch target_os
1816
1817 ar_default="${cross_prefix}${ar_default}"
1818 cc_default="${cross_prefix}${cc_default}"
1819 nm_default="${cross_prefix}${nm_default}"
1820 pkg_config_default="${cross_prefix}${pkg_config_default}"
1821 ranlib="${cross_prefix}${ranlib}"
1822
1823 sysinclude_default="${sysroot}/usr/include"
1824
1825 set_default cc nm pkg_config sysinclude
1826 enabled cross_compile || host_cc_default=$cc
1827 set_default host_cc
1828
1829 if ! $pkg_config --version >/dev/null 2>&1; then
1830 warn "$pkg_config not found, library detection may fail."
1831 pkg_config=false
1832 fi
1833
1834 exesuf() {
1835 case $1 in
1836 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1837 esac
1838 }
1839
1840 EXESUF=$(exesuf $target_os)
1841 HOSTEXESUF=$(exesuf $host_os)
1842
1843 # set temporary file name
1844 : ${TMPDIR:=$TEMPDIR}
1845 : ${TMPDIR:=$TMP}
1846 : ${TMPDIR:=/tmp}
1847
1848 if ! check_cmd mktemp -u XXXXXX; then
1849 # simple replacement for missing mktemp
1850 # NOT SAFE FOR GENERAL USE
1851 mktemp(){
1852 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1853 }
1854 fi
1855
1856 tmpfile(){
1857 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1858 (set -C; exec > $tmp) 2>/dev/null ||
1859 die "Unable to create temporary file in $TMPDIR."
1860 append TMPFILES $tmp
1861 eval $1=$tmp
1862 }
1863
1864 trap 'rm -f -- $TMPFILES' EXIT
1865
1866 tmpfile TMPC .c
1867 tmpfile TMPE $EXESUF
1868 tmpfile TMPH .h
1869 tmpfile TMPO .o
1870 tmpfile TMPS .S
1871 tmpfile TMPV .ver
1872 tmpfile TMPSH .sh
1873 tmpfile TMPASM .asm
1874
1875 unset -f mktemp
1876
1877 chmod +x $TMPE
1878
1879 # make sure we can execute files in $TMPDIR
1880 cat > $TMPSH 2>> $logfile <<EOF
1881 #! /bin/sh
1882 EOF
1883 chmod +x $TMPSH >> $logfile 2>&1
1884 if ! $TMPSH >> $logfile 2>&1; then
1885 cat <<EOF
1886 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1887 variable to another directory and make sure that it is not mounted noexec.
1888 EOF
1889 die "Sanity test failed."
1890 fi
1891
1892 filter_cflags=echo
1893 filter_cppflags=echo
1894 filter_asflags=echo
1895
1896 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1897 cc_type=llvm_gcc
1898 cc_version=__VERSION__
1899 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1900 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1901 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1902 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1903 speed_cflags='-O3'
1904 size_cflags='-Os'
1905 elif $cc -v 2>&1 | grep -qi ^gcc; then
1906 cc_type=gcc
1907 cc_version=__VERSION__
1908 gcc_version=$($cc --version | head -n1)
1909 gcc_basever=$($cc -dumpversion)
1910 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1911 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1912 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1913 if ! $cc -dumpversion | grep -q '^2\.'; then
1914 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1915 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1916 fi
1917 speed_cflags='-O3'
1918 size_cflags='-Os'
1919 elif $cc --version 2>/dev/null | grep -q Intel; then
1920 cc_type=icc
1921 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1922 cc_ident=$($cc --version | head -n1)
1923 icc_version=$($cc -dumpversion)
1924 CC_DEPFLAGS='-MMD'
1925 AS_DEPFLAGS='-MMD'
1926 speed_cflags='-O3'
1927 size_cflags='-Os'
1928 noopt_cflags='-O1'
1929 elif $cc -v 2>&1 | grep -q xlc; then
1930 cc_type=xlc
1931 cc_version="AV_STRINGIFY(__IBMC__)"
1932 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1933 speed_cflags='-O5'
1934 size_cflags='-O5 -qcompact'
1935 elif $cc -V 2>/dev/null | grep -q Compaq; then
1936 cc_type=ccc
1937 cc_version="AV_STRINGIFY(__DECC_VER)"
1938 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1939 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1940 debuglevel=3
1941 add_ldflags -Wl,-z,now # calls to libots crash without this
1942 speed_cflags='-fast'
1943 size_cflags='-O1'
1944 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1945 test -d "$sysroot" || die "No valid sysroot specified."
1946 cc_type=armcc
1947 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1948 cc_ident=$($cc --vsn | head -n1)
1949 armcc_conf="$PWD/armcc.conf"
1950 $cc --arm_linux_configure \
1951 --arm_linux_config_file="$armcc_conf" \
1952 --configure_sysroot="$sysroot" \
1953 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1954 die "Error creating armcc configuration file."
1955 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1956 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1957 as_default="${cross_prefix}gcc"
1958 CC_DEPFLAGS='-MMD'
1959 AS_DEPFLAGS='-MMD'
1960 speed_cflags='-O3'
1961 size_cflags='-Os'
1962 filter_asflags="filter_out -W${armcc_opt}*"
1963 elif $cc -version 2>/dev/null | grep -q TMS470; then
1964 cc_type=tms470
1965 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1966 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1967 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1968 CC_O='-fr=$(@D)'
1969 as_default="${cross_prefix}gcc"
1970 ld_default="${cross_prefix}gcc"
1971 TMPO=$(basename $TMPC .c).o
1972 append TMPFILES $TMPO
1973 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1974 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1975 AS_DEPFLAGS='-MMD'
1976 speed_cflags='-O3 -mf=5'
1977 size_cflags='-O3 -mf=2'
1978 filter_cflags=tms470_flags
1979 tms470_flags(){
1980 for flag; do
1981 case $flag in
1982 -march=*|-mcpu=*)
1983 case "${flag#*=}" in
1984 armv7-a|cortex-a*) echo -mv=7a8 ;;
1985 armv7-r|cortex-r*) echo -mv=7r4 ;;
1986 armv7-m|cortex-m*) echo -mv=7m3 ;;
1987 armv6*|arm11*) echo -mv=6 ;;
1988 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1989 echo -mv=5e ;;
1990 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1991 esac
1992 ;;
1993 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1994 -mfpu=vfp) echo --float_support=vfpv2 ;;
1995 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1996 -msoft-float) echo --float_support=vfplib ;;
1997 -O[0-3]|-mf=*) echo $flag ;;
1998 -g) echo -g -mn ;;
1999 -pds=*) echo $flag ;;
2000 esac
2001 done
2002 }
2003 elif $cc -v 2>&1 | grep -q clang; then
2004 cc_type=clang
2005 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2006 cc_version=__clang_version__ || cc_version=__VERSION__
2007 cc_ident=$($cc --version | head -n1)
2008 CC_DEPFLAGS='-MMD'
2009 AS_DEPFLAGS='-MMD'
2010 speed_cflags='-O3'
2011 size_cflags='-Os'
2012 elif $cc -V 2>&1 | grep -q Sun; then
2013 cc_type=suncc
2014 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2015 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2016 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2017 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2018 add_ldflags -xc99
2019 speed_cflags='-O5'
2020 size_cflags='-O5 -xspace'
2021 filter_cflags=suncc_flags
2022 suncc_flags(){
2023 for flag; do
2024 case $flag in
2025 -march=*|-mcpu=*)
2026 case "${flag#*=}" in
2027 native) echo -xtarget=native ;;
2028 v9|niagara) echo -xarch=sparc ;;
2029 ultrasparc) echo -xarch=sparcvis ;;
2030 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2031 i586|pentium) echo -xchip=pentium ;;
2032 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2033 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2034 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2035 pentium4*) echo -xtarget=pentium4 ;;
2036 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2037 *-sse3) echo -xarch=sse3 ;;
2038 core2) echo -xarch=ssse3 -xchip=core2 ;;
2039 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2040 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2041 k8|opteron|athlon64|athlon-fx)
2042 echo -xarch=sse2a ;;
2043 athlon*) echo -xarch=pentium_proa ;;
2044 esac
2045 ;;
2046 -std=c99) echo -xc99 ;;
2047 -fomit-frame-pointer) echo -xregs=frameptr ;;
2048 -fPIC) echo -KPIC -xcode=pic32 ;;
2049 -W*,*) echo $flag ;;
2050 -f*-*|-W*) ;;
2051 *) echo $flag ;;
2052 esac
2053 done
2054 }
2055 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2056 cc_type=pathscale
2057 cc_version=__PATHSCALE__
2058 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2059 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2060 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2061 speed_cflags='-O2'
2062 size_cflags='-Os'
2063 filter_cflags='filter_out -Wdisabled-optimization'
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 $@'
2070 speed_cflags='-O2'
2071 size_cflags='-Os'
2072 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2073 fi
2074
2075 test -n "$cc_type" && enable $cc_type ||
2076 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2077
2078 : ${as_default:=$cc}
2079 : ${dep_cc_default:=$cc}
2080 : ${ld_default:=$cc}
2081 set_default ar as dep_cc ld
2082
2083 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2084 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2085
2086 add_cflags $extra_cflags
2087 add_asflags $extra_cflags
2088
2089 if test -n "$sysroot"; then
2090 case "$cc_type" in
2091 gcc|llvm_gcc|clang)
2092 add_cppflags --sysroot="$sysroot"
2093 add_ldflags --sysroot="$sysroot"
2094 ;;
2095 tms470)
2096 add_cppflags -I"$sysinclude"
2097 add_ldflags --sysroot="$sysroot"
2098 ;;
2099 esac
2100 fi
2101
2102 if test "$cpu" = host; then
2103 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2104
2105 case "$cc_type" in
2106 gcc|llvm_gcc)
2107 check_native(){
2108 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2109 sed -n "/cc1.*$1=/{
2110 s/.*$1=\\([^ ]*\\).*/\\1/
2111 p
2112 q
2113 }" $TMPE
2114 }
2115 cpu=$(check_native -march || check_native -mcpu)
2116 ;;
2117 esac
2118
2119 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2120 fi
2121
2122 # Deal with common $arch aliases
2123 case "$arch" in
2124 arm*)
2125 arch="arm"
2126 ;;
2127 mips|mipsel|IP*)
2128 arch="mips"
2129 ;;
2130 mips64*)
2131 arch="mips"
2132 subarch="mips64"
2133 ;;
2134 parisc|hppa)
2135 arch="parisc"
2136 ;;
2137 parisc64|hppa64)
2138 arch="parisc"
2139 subarch="parisc64"
2140 ;;
2141 "Power Macintosh"|ppc|powerpc)
2142 arch="ppc"
2143 ;;
2144 ppc64|powerpc64)
2145 arch="ppc"
2146 subarch="ppc64"
2147 ;;
2148 s390|s390x)
2149 arch="s390"
2150 ;;
2151 sh4|sh)
2152 arch="sh4"
2153 ;;
2154 sun4u|sparc64)
2155 arch="sparc"
2156 subarch="sparc64"
2157 ;;
2158 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2159 arch="x86"
2160 ;;
2161 esac
2162
2163 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2164 enable $arch
2165
2166 # Add processor-specific flags
2167 if test "$cpu" = generic; then
2168 : do nothing
2169 elif enabled ppc; then
2170
2171 case $(tolower $cpu) in
2172 601|ppc601|powerpc601)
2173 cpuflags="-mcpu=601"
2174 disable altivec
2175 ;;
2176 603*|ppc603*|powerpc603*)
2177 cpuflags="-mcpu=603"
2178 disable altivec
2179 ;;
2180 604*|ppc604*|powerpc604*)
2181 cpuflags="-mcpu=604"
2182 disable altivec
2183 ;;
2184 g3|75*|ppc75*|powerpc75*)
2185 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2186 disable altivec
2187 ;;
2188 g4|745*|ppc745*|powerpc745*)
2189 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2190 ;;
2191 74*|ppc74*|powerpc74*)
2192 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2193 ;;
2194 g5|970|ppc970|powerpc970|power4*)
2195 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2196 ;;
2197 cell)
2198 cpuflags="-mcpu=cell"
2199 enable ldbrx
2200 ;;
2201 e500v2)
2202 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2203 disable altivec
2204 ;;
2205 e500)
2206 cpuflags="-mcpu=8540 -mhard-float"
2207 disable altivec
2208 ;;
2209 esac
2210
2211 elif enabled x86; then
2212
2213 case $cpu in
2214 i[345]86|pentium)
2215 cpuflags="-march=$cpu"
2216 disable mmx
2217 ;;
2218 # targets that do NOT support conditional mov (cmov)
2219 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2220 cpuflags="-march=$cpu"
2221 disable cmov
2222 ;;
2223 # targets that do support conditional mov (cmov)
2224 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2225 cpuflags="-march=$cpu"
2226 enable cmov
2227 enable fast_cmov
2228 ;;
2229 # targets that do support conditional mov but on which it's slow
2230 pentium4|pentium4m|prescott|nocona)
2231 cpuflags="-march=$cpu"
2232 enable cmov
2233 disable fast_cmov
2234 ;;
2235 esac
2236
2237 elif enabled sparc; then
2238
2239 case $cpu in
2240 niagara)
2241 cpuflags="-mcpu=$cpu"
2242 disable vis
2243 ;;
2244 sparc64)
2245 cpuflags="-mcpu=v9"
2246 ;;
2247 esac
2248
2249 elif enabled arm; then
2250
2251 case $cpu in
2252 armv*)
2253 cpuflags="-march=$cpu"
2254 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2255 ;;
2256 *)
2257 cpuflags="-mcpu=$cpu"
2258 case $cpu in
2259 cortex-a*) subarch=armv7a ;;
2260 cortex-r*) subarch=armv7r ;;
2261 cortex-m*) enable thumb; subarch=armv7m ;;
2262 arm11*) subarch=armv6 ;;
2263 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2264 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2265 esac
2266 ;;
2267 esac
2268
2269 elif enabled alpha; then
2270
2271 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2272
2273 elif enabled bfin; then
2274
2275 cpuflags="-mcpu=$cpu"
2276
2277 elif enabled mips; then
2278
2279 cpuflags="-march=$cpu"
2280
2281 elif enabled avr32; then
2282
2283 case $cpu in
2284 ap7[02]0[0-2])
2285 subarch="avr32_ap"
2286 cpuflags="-mpart=$cpu"
2287 ;;
2288 ap)
2289 subarch="avr32_ap"
2290 cpuflags="-march=$cpu"
2291 ;;
2292 uc3[ab]*)
2293 subarch="avr32_uc"
2294 cpuflags="-mcpu=$cpu"
2295 ;;
2296 uc)
2297 subarch="avr32_uc"
2298 cpuflags="-march=$cpu"
2299 ;;
2300 esac
2301
2302 fi
2303
2304 add_cflags $cpuflags
2305 add_asflags $cpuflags
2306
2307 # compiler sanity check
2308 check_exec <<EOF
2309 int main(void){ return 0; }
2310 EOF
2311 if test "$?" != 0; then
2312 echo "$cc is unable to create an executable file."
2313 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2314 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2315 echo "Only do this if you know what cross compiling means."
2316 fi
2317 die "C compiler test failed."
2318 fi
2319
2320 add_cppflags -D_ISOC99_SOURCE
2321 check_cflags -std=c99
2322 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2323 #include <stdlib.h>
2324 EOF
2325 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2326 #include <stdlib.h>
2327 EOF
2328
2329 check_host_cflags -std=c99
2330 check_host_cflags -Wall
2331
2332 case "$arch" in
2333 alpha|ia64|mips|parisc|sparc)
2334 spic=$shared
2335 ;;
2336 x86)
2337 subarch="x86_32"
2338 check_cc <<EOF && subarch="x86_64"
2339 int test[(int)sizeof(char*) - 7];
2340 EOF
2341 if test "$subarch" = "x86_64"; then
2342 spic=$shared
2343 fi
2344 ;;
2345 esac
2346
2347 enable $subarch
2348 enabled spic && enable pic
2349
2350 # OS specific
2351 case $target_os in
2352 haiku)
2353 prefix_default="/boot/common"
2354 network_extralibs="-lnetwork"
2355 host_libs=
2356 ;;
2357 sunos)
2358 FFSERVERLDFLAGS=""
2359 SHFLAGS='-shared -Wl,-h,$$(@F)'
2360 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2361 network_extralibs="-lsocket -lnsl"
2362 add_cppflags -D__EXTENSIONS__
2363 nm_opts='-P -g'
2364 ;;
2365 netbsd)
2366 disable symver
2367 oss_indev_extralibs="-lossaudio"
2368 oss_outdev_extralibs="-lossaudio"
2369 ;;
2370 openbsd)
2371 enable malloc_aligned
2372 # On OpenBSD 4.5. the compiler does not use PIC unless
2373 # explicitly using -fPIC. Libav builds fine without PIC,
2374 # however the generated executable will not do anything
2375 # (simply quits with exit-code 1, no crash, no output).
2376 # Thus explicitly enable PIC here.
2377 enable pic
2378 disable symver
2379 SHFLAGS='-shared'
2380 oss_indev_extralibs="-lossaudio"
2381 oss_outdev_extralibs="-lossaudio"
2382 ;;
2383 dragonfly)
2384 enable malloc_aligned
2385 disable symver
2386 ;;
2387 freebsd)
2388 enable malloc_aligned
2389 ;;
2390 bsd/os)
2391 add_extralibs -lpoll -lgnugetopt
2392 ;;
2393 darwin)
2394 enable malloc_aligned
2395 gas="gas-preprocessor.pl $cc"
2396 enabled ppc && add_asflags -force_cpusubtype_ALL
2397 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2398 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2399 add_ldflags -Wl,-dynamic,-search_paths_first
2400 SLIBSUF=".dylib"
2401 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2402 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2403 FFSERVERLDFLAGS=-Wl,-bind_at_load
2404 objformat="macho"
2405 enabled x86_64 && objformat="macho64"
2406 enabled_any pic shared ||
2407 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2408 ;;
2409 mingw32*)
2410 if test $target_os = "mingw32ce"; then
2411 disable network
2412 else
2413 target_os=mingw32
2414 fi
2415 LIBTARGET=i386
2416 if enabled x86_64; then
2417 enable malloc_aligned
2418 LIBTARGET="i386:x86-64"
2419 elif enabled arm; then
2420 LIBTARGET=arm-wince
2421 fi
2422 shlibdir_default="$bindir_default"
2423 SLIBPREF=""
2424 SLIBSUF=".dll"
2425 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2426 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2427 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2428 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2429 SLIB_INSTALL_LINKS=
2430 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2431 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2432 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'
2433 objformat="win32"
2434 dlltool="${cross_prefix}dlltool"
2435 enable dos_paths
2436 check_cflags -fno-common
2437 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2438 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2439 die "ERROR: MinGW runtime version must be >= 3.15."
2440 add_cppflags -U__STRICT_ANSI__
2441 ;;
2442 cygwin*)
2443 target_os=cygwin
2444 shlibdir_default="$bindir_default"
2445 SLIBPREF="cyg"
2446 SLIBSUF=".dll"
2447 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2448 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2449 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2450 objformat="win32"
2451 enable dos_paths
2452 check_cflags -fno-common
2453 add_cppflags -U__STRICT_ANSI__
2454 ;;
2455 *-dos|freedos|opendos)
2456 network_extralibs="-lsocket"
2457 objformat="coff"
2458 enable dos_paths
2459 add_cppflags -U__STRICT_ANSI__
2460 ;;
2461 linux)
2462 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2463 enable dv1394
2464 ;;
2465 irix*)
2466 target_os=irix
2467 ranlib="echo ignoring ranlib"
2468 ;;
2469 os/2*)
2470 ln_s="cp -f"
2471 objformat="aout"
2472 add_cppflags -D_GNU_SOURCE
2473 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2474 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2475 FFSERVERLDFLAGS=""
2476 LIBSUF="_s.a"
2477 SLIBPREF=""
2478 SLIBSUF=".dll"
2479 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2480 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2481 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2482 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2483 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2484 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2485 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2486 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2487 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2488 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2489 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2490 enable dos_paths
2491 ;;
2492 gnu/kfreebsd)
2493 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2494 ;;
2495 gnu)
2496 ;;
2497 qnx)
2498 add_cppflags -D_QNX_SOURCE
2499 network_extralibs="-lsocket"
2500 ;;
2501 symbian)
2502 SLIBSUF=".dll"
2503 enable dos_paths
2504 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2505 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2506 add_ldflags -Wl,--target1-abs,--no-undefined \
2507 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2508 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2509 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2510 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2511 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2512 ;;
2513 none)
2514 ;;
2515 *)
2516 die "Unknown OS '$target_os'."
2517 ;;
2518 esac
2519
2520 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2521
2522 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2523
2524 set_default $PATHS_LIST
2525
2526 # we need to build at least one lib type
2527 if ! enabled_any static shared; then
2528 cat <<EOF
2529 At least one library type must be built.
2530 Specify --enable-static to build the static libraries or --enable-shared to
2531 build the shared libraries as well. To only build the shared libraries specify
2532 --disable-static in addition to --enable-shared.
2533 EOF
2534 exit 1;
2535 fi
2536
2537 die_license_disabled() {
2538 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2539 }
2540
2541 die_license_disabled gpl libx264
2542 die_license_disabled gpl libxavs
2543 die_license_disabled gpl libxvid
2544 die_license_disabled gpl x11grab
2545
2546 die_license_disabled nonfree libfaac
2547
2548 die_license_disabled version3 libopencore_amrnb
2549 die_license_disabled version3 libopencore_amrwb
2550 die_license_disabled version3 libvo_aacenc
2551 die_license_disabled version3 libvo_amrwbenc
2552
2553 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2554
2555 disabled optimizations || check_cflags -fomit-frame-pointer
2556
2557 enable_pic() {
2558 enable pic
2559 add_cppflags -DPIC
2560 add_cflags -fPIC
2561 add_asflags -fPIC
2562 }
2563
2564 enabled pic && enable_pic
2565
2566 check_cc <<EOF || die "Symbol mangling check failed."
2567 int ff_extern;
2568 EOF
2569 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2570 extern_prefix=${sym%%ff_extern*}
2571
2572 check_cc <<EOF && enable inline_asm
2573 void foo(void) { __asm__ volatile ("" ::); }
2574 EOF
2575
2576 _restrict=
2577 for restrict_keyword in restrict __restrict__ __restrict; do
2578 check_cc <<EOF && _restrict=$restrict_keyword && break
2579 void foo(char * $restrict_keyword p);
2580 EOF
2581 done
2582
2583 check_cc <<EOF && enable attribute_packed
2584 struct { int x; } __attribute__((packed)) x;
2585 EOF
2586
2587 check_cc <<EOF && enable attribute_may_alias
2588 union { int x; } __attribute__((may_alias)) x;
2589 EOF
2590
2591 check_cc <<EOF || die "endian test failed"
2592 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2593 EOF
2594 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2595
2596 if enabled alpha; then
2597
2598 check_cflags -mieee
2599
2600 elif enabled arm; then
2601
2602 enabled thumb && check_cflags -mthumb || check_cflags -marm
2603 nogas=die
2604
2605 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2606 enable vfp_args
2607 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2608 case "${cross_prefix:-$cc}" in
2609 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2610 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2611 __asm__ (".eabi_attribute 28, 1");
2612 int main(void) { return 0; }
2613 EOF
2614 esac
2615 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2616 fi
2617
2618 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2619 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2620 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2621 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2622 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2623 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2624 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2625
2626 enabled_all armv6t2 shared !pic && enable_pic
2627
2628 elif enabled mips; then
2629
2630 check_asm loongson '"dmult.g $1, $2, $3"'
2631 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2632
2633 elif enabled ppc; then
2634
2635 enable local_aligned_8 local_aligned_16
2636
2637 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2638 check_asm ibm_asm '"add 0, 0, 0"'
2639 check_asm ppc4xx '"maclhw r10, r11, r12"'
2640 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2641
2642 # AltiVec flags: The FSF version of GCC differs from the Apple version
2643 if enabled altivec; then
2644 nogas=warn
2645 check_cflags -maltivec -mabi=altivec &&
2646 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2647 check_cflags -faltivec
2648
2649 # check if our compiler supports Motorola AltiVec C API
2650 check_cc <<EOF || disable altivec
2651 $inc_altivec_h
2652 int main(void) {
2653 vector signed int v1, v2, v3;
2654 v1 = vec_add(v2,v3);
2655 return 0;
2656 }
2657 EOF
2658
2659 # check if our compiler supports braces for vector declarations
2660 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2661 $inc_altivec_h
2662 int main (void) { (vector int) {1}; return 0; }
2663 EOF
2664 fi
2665
2666 elif enabled sparc; then
2667
2668 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2669 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2670
2671 elif enabled x86; then
2672
2673 enable local_aligned_8 local_aligned_16
2674
2675 # check whether EBP is available on x86
2676 # As 'i' is stored on the stack, this program will crash
2677 # if the base pointer is used to access it because the
2678 # base pointer is cleared in the inline assembly code.
2679 check_exec_crash <<EOF && enable ebp_available
2680 volatile int i=0;
2681 __asm__ volatile (
2682 "xorl %%ebp, %%ebp"
2683 ::: "%ebp");
2684 return i;
2685 EOF
2686
2687 # check whether EBX is available on x86
2688 check_asm ebx_available '""::"b"(0)' &&
2689 check_asm ebx_available '"":::"%ebx"'
2690
2691 # check whether xmm clobbers are supported
2692 check_asm xmm_clobbers '"":::"%xmm0"'
2693
2694 # check whether binutils is new enough to compile SSSE3/MMX2
2695 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2696 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2697
2698 check_asm bswap '"bswap %%eax" ::: "%eax"'
2699
2700 if ! disabled_any asm mmx yasm; then
2701 if check_cmd $yasmexe --version; then
2702 enabled x86_64 && yasm_extra="-m amd64"
2703 yasm_debug="-g dwarf2"
2704 elif check_cmd nasm -v; then
2705 yasmexe=nasm
2706 yasm_debug="-g -F dwarf"
2707 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2708 fi
2709
2710 YASMFLAGS="-f $objformat $yasm_extra"
2711 enabled pic && append YASMFLAGS "-DPIC"
2712 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2713 case "$objformat" in
2714 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2715 esac
2716
2717 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2718 die "yasm not found, use --disable-yasm for a crippled build"
2719 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2720 fi
2721
2722 case "$cpu" in
2723 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2724 disable fast_clz
2725 ;;
2726 esac
2727
2728 fi
2729
2730 if enabled asm; then
2731 as=${gas:=$as}
2732 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2733 $nogas "GNU assembler not found, install gas-preprocessor"
2734 fi
2735
2736 check_ldflags -Wl,--as-needed
2737
2738 if check_func dlopen; then
2739 ldl=
2740 elif check_func dlopen -ldl; then
2741 ldl=-ldl
2742 fi
2743
2744 if enabled network; then
2745 check_type "sys/types.h sys/socket.h" socklen_t
2746 check_type netdb.h "struct addrinfo"
2747 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2748 check_type netinet/in.h "struct sockaddr_in6"
2749 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2750 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2751 # Prefer arpa/inet.h over winsock2
2752 if check_header arpa/inet.h ; then
2753 check_func closesocket
2754 elif check_header winsock2.h ; then
2755 check_func_headers winsock2.h closesocket -lws2 && \
2756 network_extralibs="-lws2" || \
2757 { check_func_headers winsock2.h closesocket -lws2_32 && \
2758 network_extralibs="-lws2_32"; }
2759 check_type ws2tcpip.h socklen_t
2760 check_type ws2tcpip.h "struct addrinfo"
2761 check_type ws2tcpip.h "struct ipv6_mreq"
2762 check_type ws2tcpip.h "struct sockaddr_in6"
2763 check_type ws2tcpip.h "struct sockaddr_storage"
2764 check_struct winsock2.h "struct sockaddr" sa_len
2765 else
2766 disable network
2767 fi
2768 fi
2769
2770 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2771 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2772
2773 check_func fcntl
2774 check_func fork
2775 check_func getaddrinfo $network_extralibs
2776 check_func gethrtime
2777 check_func getrusage
2778 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2779 check_func inet_aton $network_extralibs
2780 check_func isatty
2781 check_func localtime_r
2782 check_func ${malloc_prefix}memalign && enable memalign
2783 check_func mkstemp
2784 check_func mmap
2785 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2786 check_func setrlimit
2787 check_func strerror_r
2788 check_func strptime
2789 check_func strtok_r
2790 check_func_headers io.h setmode
2791 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2792 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2793 check_func_headers windows.h GetProcessTimes
2794 check_func_headers windows.h MapViewOfFile
2795 check_func_headers windows.h VirtualAlloc
2796
2797 check_header dlfcn.h
2798 check_header dxva2api.h
2799 check_header malloc.h
2800 check_header poll.h
2801 check_header sys/mman.h
2802 check_header sys/resource.h
2803 check_header sys/select.h
2804 check_header vdpau/vdpau.h
2805 check_header vdpau/vdpau_x11.h
2806 check_header X11/extensions/XvMClib.h
2807
2808 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2809
2810 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2811 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2812
2813 # check for some common methods of building with pthread support
2814 # do this before the optional library checks as some of them require pthreads
2815 if ! disabled pthreads && ! enabled w32threads; then
2816 enable pthreads
2817 if check_func pthread_create; then
2818 :
2819 elif check_func pthread_create -pthread; then
2820 add_cflags -pthread
2821 add_extralibs -pthread
2822 elif check_func pthread_create -pthreads; then
2823 add_cflags -pthreads
2824 add_extralibs -pthreads
2825 elif check_func pthread_create -lpthreadGC2; then
2826 add_extralibs -lpthreadGC2
2827 elif ! check_lib pthread.h pthread_create -lpthread; then
2828 disable pthreads
2829 fi
2830 fi
2831
2832 for thread in $THREADS_LIST; do
2833 if enabled $thread; then
2834 test -n "$thread_type" &&
2835 die "ERROR: Only one thread type must be selected." ||
2836 thread_type="$thread"
2837 fi
2838 done
2839
2840 check_lib math.h sin -lm && LIBM="-lm"
2841 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2842
2843 check_mathfunc exp2
2844 check_mathfunc exp2f
2845 check_mathfunc llrint
2846 check_mathfunc llrintf
2847 check_mathfunc log2
2848 check_mathfunc log2f
2849 check_mathfunc lrint
2850 check_mathfunc lrintf
2851 check_mathfunc round
2852 check_mathfunc roundf
2853 check_mathfunc trunc
2854 check_mathfunc truncf
2855
2856 # these are off by default, so fail if requested and not available
2857 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2858 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2859 enabled libdirac && require_pkg_config dirac \
2860 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2861 "dirac_decoder_init dirac_encoder_init"
2862 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2863 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2864 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2865 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2866 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2867 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2868 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2869 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2870 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2871 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2872 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2873 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2874 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2875 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2876 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2877 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2878 enabled libvpx && {
2879 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2880 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2881 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2882 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2883 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2884 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2885 die "ERROR: libx264 version must be >= 0.115."; }
2886 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2887 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2888 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2889
2890 # libdc1394 check
2891 if enabled libdc1394; then
2892 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2893 enable libdc1394_2; } ||
2894 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2895 enable libdc1394_1; } ||
2896 die "ERROR: No version of libdc1394 found "
2897 fi
2898
2899 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2900 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2901 enable sdl &&
2902 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2903 fi
2904
2905 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2906
2907 check_header linux/fb.h
2908 check_header linux/videodev.h
2909 check_header linux/videodev2.h
2910 check_header sys/videoio.h
2911
2912 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2913 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2914 # w32api 3.12 had it defined wrong
2915 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2916
2917 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2918 { check_header dev/bktr/ioctl_meteor.h &&
2919 check_header dev/bktr/ioctl_bt848.h; } ||
2920 { check_header machine/ioctl_meteor.h &&
2921 check_header machine/ioctl_bt848.h; } ||
2922 { check_header dev/video/meteor/ioctl_meteor.h &&
2923 check_header dev/video/bktr/ioctl_bt848.h; } ||
2924 check_header dev/ic/bt8xx.h
2925
2926 check_header sndio.h
2927 check_header sys/soundcard.h
2928 check_header soundcard.h
2929
2930 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2931
2932 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2933
2934 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2935
2936 enabled x11grab &&
2937 check_header X11/Xlib.h &&
2938 check_header X11/extensions/XShm.h &&
2939 check_header X11/extensions/Xfixes.h &&
2940 check_func XOpenDisplay -lX11 &&
2941 check_func XShmCreateImage -lX11 -lXext &&
2942 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2943
2944 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2945 check_cpp_condition \
2946 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2947 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2948 disable vdpau; }
2949 fi
2950
2951 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2952
2953 # add some useful compiler flags if supported
2954 check_cflags -Wdeclaration-after-statement
2955 check_cflags -Wall
2956 check_cflags -Wno-parentheses
2957 check_cflags -Wno-switch
2958 check_cflags -Wno-format-zero-length
2959 check_cflags -Wdisabled-optimization
2960 check_cflags -Wpointer-arith
2961 check_cflags -Wredundant-decls
2962 check_cflags -Wno-pointer-sign
2963 check_cflags -Wcast-qual
2964 check_cflags -Wwrite-strings
2965 check_cflags -Wtype-limits
2966 check_cflags -Wundef
2967 check_cflags -Wmissing-prototypes
2968 enabled extra_warnings && check_cflags -Winline
2969
2970 # add some linker flags
2971 check_ldflags -Wl,--warn-common
2972 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
2973 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2974
2975 echo "X{};" > $TMPV
2976 if test_ldflags -Wl,--version-script,$TMPV; then
2977 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2978 check_cc <<EOF && enable symver_asm_label
2979 void ff_foo(void) __asm__ ("av_foo@VERSION");
2980 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2981 EOF
2982 check_cc <<EOF && enable symver_gnu_asm
2983 __asm__(".symver ff_foo,av_foo@VERSION");
2984 void ff_foo(void) {}
2985 EOF
2986 fi
2987
2988 if [ -n "$optflags" ]; then
2989 add_cflags $optflags
2990 elif enabled small; then
2991 add_cflags $size_cflags
2992 elif enabled optimizations; then
2993 add_cflags $speed_cflags
2994 else
2995 add_cflags $noopt_cflags
2996 fi
2997 check_cflags -fno-math-errno
2998 check_cflags -fno-signed-zeros
2999
3000 if enabled icc; then
3001 # Just warnings, no remarks
3002 check_cflags -w1
3003 # -wd: Disable following warnings
3004 # 144, 167, 556: -Wno-pointer-sign
3005 # 1292: attribute "foo" ignored
3006 # 10006: ignoring unknown option -fno-signed-zeros
3007 # 10148: ignoring unknown option -Wno-parentheses
3008 # 10156: ignoring option '-W'; no argument required
3009 check_cflags -wd144,167,556,1292,10006,10148,10156
3010 # 11030: Warning unknown option --as-needed
3011 # 10156: ignoring option '-export'; no argument required
3012 check_ldflags -wd10156,11030
3013 # Allow to compile with optimizations
3014 check_ldflags -march=$cpu
3015 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3016 enable ebp_available
3017 if enabled x86_32; then
3018 test ${icc_version%%.*} -ge 11 && \
3019 check_cflags -falign-stack=maintain-16-byte || \
3020 disable aligned_stack
3021 fi
3022 elif enabled ccc; then
3023 # disable some annoying warnings
3024 add_cflags -msg_disable cvtu32to64
3025 add_cflags -msg_disable embedcomment
3026 add_cflags -msg_disable needconstext
3027 add_cflags -msg_disable nomainieee
3028 add_cflags -msg_disable ptrmismatch1
3029 add_cflags -msg_disable unreachcode
3030 elif enabled gcc; then
3031 check_cflags -fno-tree-vectorize
3032 check_cflags -Werror=implicit-function-declaration
3033 check_cflags -Werror=missing-prototypes
3034 elif enabled llvm_gcc; then
3035 check_cflags -mllvm -stack-alignment=16
3036 elif enabled clang; then
3037 check_cflags -mllvm -stack-alignment=16
3038 check_cflags -Qunused-arguments
3039 elif enabled armcc; then
3040 # 2523: use of inline assembler is deprecated
3041 add_cflags -W${armcc_opt},--diag_suppress=2523
3042 add_cflags -W${armcc_opt},--diag_suppress=1207
3043 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3044 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3045 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3046 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3047 elif enabled tms470; then
3048 add_cflags -pds=824 -pds=837
3049 elif enabled pathscale; then
3050 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3051 fi
3052
3053 enabled_any $THREADS_LIST && enable threads
3054
3055 check_deps $CONFIG_LIST \
3056 $CONFIG_EXTRA \
3057 $HAVE_LIST \
3058 $DECODER_LIST \
3059 $ENCODER_LIST \
3060 $HWACCEL_LIST \
3061 $PARSER_LIST \
3062 $BSF_LIST \
3063 $DEMUXER_LIST \
3064 $MUXER_LIST \
3065 $FILTER_LIST \
3066 $INDEV_LIST \
3067 $OUTDEV_LIST \
3068 $PROTOCOL_LIST \
3069 $ACODEC_TESTS \
3070 $VCODEC_TESTS \
3071 $LAVF_TESTS \
3072 $LAVFI_TESTS \
3073 $SEEK_TESTS \
3074
3075 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3076
3077 ! enabled_any memalign posix_memalign malloc_aligned &&
3078 enabled_any $need_memalign && enable memalign_hack
3079
3080 echo "install prefix $prefix"
3081 echo "source path $source_path"
3082 echo "C compiler $cc"
3083 echo "ARCH $arch ($cpu)"
3084 if test "$build_suffix" != ""; then
3085 echo "build suffix $build_suffix"
3086 fi
3087 if test "$extra_version" != ""; then
3088 echo "version string suffix $extra_version"
3089 fi
3090 echo "big-endian ${bigendian-no}"
3091 echo "runtime cpu detection ${runtime_cpudetect-no}"
3092 if enabled x86; then
3093 echo "${yasmexe} ${yasm-no}"
3094 echo "MMX enabled ${mmx-no}"
3095 echo "MMX2 enabled ${mmx2-no}"
3096 echo "3DNow! enabled ${amd3dnow-no}"
3097 echo "3DNow! extended enabled ${amd3dnowext-no}"
3098 echo "SSE enabled ${sse-no}"
3099 echo "SSSE3 enabled ${ssse3-no}"
3100 echo "AVX enabled ${avx-no}"
3101 echo "CMOV enabled ${cmov-no}"
3102 echo "CMOV is fast ${fast_cmov-no}"
3103 echo "EBX available ${ebx_available-no}"
3104 echo "EBP available ${ebp_available-no}"
3105 fi
3106 if enabled arm; then
3107 echo "ARMv5TE enabled ${armv5te-no}"
3108 echo "ARMv6 enabled ${armv6-no}"
3109 echo "ARMv6T2 enabled ${armv6t2-no}"
3110 echo "ARM VFP enabled ${armvfp-no}"
3111 echo "IWMMXT enabled ${iwmmxt-no}"
3112 echo "NEON enabled ${neon-no}"
3113 fi
3114 if enabled mips; then
3115 echo "MMI enabled ${mmi-no}"
3116 fi
3117 if enabled ppc; then
3118 echo "AltiVec enabled ${altivec-no}"
3119 echo "PPC 4xx optimizations ${ppc4xx-no}"
3120 echo "dcbzl available ${dcbzl-no}"
3121 fi
3122 if enabled sparc; then
3123 echo "VIS enabled ${vis-no}"
3124 fi
3125 echo "debug symbols ${debug-no}"
3126 echo "optimize for size ${small-no}"
3127 echo "optimizations ${optimizations-no}"
3128 echo "static ${static-no}"
3129 echo "shared ${shared-no}"
3130 echo "postprocessing support ${postproc-no}"
3131 echo "new filter support ${avfilter-no}"
3132 echo "network support ${network-no}"
3133 echo "threading support ${thread_type-no}"
3134 echo "SDL support ${sdl-no}"
3135 echo "Sun medialib support ${mlib-no}"
3136 echo "libdxva2 enabled ${dxva2-no}"
3137 echo "libva enabled ${vaapi-no}"
3138 echo "libvdpau enabled ${vdpau-no}"
3139 echo "AVISynth enabled ${avisynth-no}"
3140 echo "frei0r enabled ${frei0r-no}"
3141 echo "libdc1394 support ${libdc1394-no}"
3142 echo "libdirac enabled ${libdirac-no}"
3143 echo "libfaac enabled ${libfaac-no}"
3144 echo "libgsm enabled ${libgsm-no}"
3145 echo "libmp3lame enabled ${libmp3lame-no}"
3146 echo "libnut enabled ${libnut-no}"
3147 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3148 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3149 echo "libopencv support ${libopencv-no}"
3150 echo "libopenjpeg enabled ${libopenjpeg-no}"
3151 echo "librtmp enabled ${librtmp-no}"
3152 echo "libschroedinger enabled ${libschroedinger-no}"
3153 echo "libspeex enabled ${libspeex-no}"
3154 echo "libtheora enabled ${libtheora-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 test -e Makefile || $ln_s "$source_path/Makefile" .
3189
3190 config_files="$TMPH config.mak"
3191
3192 cat > config.mak <<EOF
3193 # Automatically generated by configure - do not modify!
3194 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3195 prefix=$prefix
3196 LIBDIR=\$(DESTDIR)$libdir
3197 SHLIBDIR=\$(DESTDIR)$shlibdir
3198 INCDIR=\$(DESTDIR)$incdir
3199 BINDIR=\$(DESTDIR)$bindir
3200 DATADIR=\$(DESTDIR)$datadir
3201 MANDIR=\$(DESTDIR)$mandir
3202 SRC_PATH=$source_path
3203 CC_IDENT=$cc_ident
3204 ARCH=$arch
3205 CC=$cc
3206 AS=$as
3207 LD=$ld
3208 DEPCC=$dep_cc
3209 YASM=$yasmexe
3210 YASMDEP=$yasmexe
3211 AR=$ar
3212 RANLIB=$ranlib
3213 LN_S=$ln_s
3214 CPPFLAGS=$CPPFLAGS
3215 CFLAGS=$CFLAGS
3216 ASFLAGS=$ASFLAGS
3217 AS_O=$CC_O
3218 CC_O=$CC_O
3219 DLLTOOL=$dlltool
3220 LDFLAGS=$LDFLAGS
3221 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3222 SHFLAGS=$SHFLAGS
3223 YASMFLAGS=$YASMFLAGS
3224 BUILDSUF=$build_suffix
3225 FULLNAME=$FULLNAME
3226 LIBPREF=$LIBPREF
3227 LIBSUF=$LIBSUF
3228 LIBNAME=$LIBNAME
3229 SLIBPREF=$SLIBPREF
3230 SLIBSUF=$SLIBSUF
3231 EXESUF=$EXESUF
3232 EXTRA_VERSION=$extra_version
3233 DEPFLAGS=$DEPFLAGS
3234 CCDEP=$CCDEP
3235 ASDEP=$ASDEP
3236 CC_DEPFLAGS=$CC_DEPFLAGS
3237 AS_DEPFLAGS=$AS_DEPFLAGS
3238 HOSTCC=$host_cc
3239 HOSTCFLAGS=$host_cflags
3240 HOSTEXESUF=$HOSTEXESUF
3241 HOSTLDFLAGS=$host_ldflags
3242 HOSTLIBS=$host_libs
3243 TARGET_EXEC=$target_exec
3244 TARGET_PATH=$target_path
3245 SDL_LIBS=$sdl_libs
3246 SDL_CFLAGS=$sdl_cflags
3247 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3248 EXTRALIBS=$extralibs
3249 INSTALL=install
3250 LIBTARGET=${LIBTARGET}
3251 SLIBNAME=${SLIBNAME}
3252 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3253 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3254 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3255 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3256 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3257 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3258 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3259 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3260 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3261 EOF
3262
3263 get_version(){
3264 name=$1
3265 file=$source_path/$2
3266 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3267 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3268 lcname=$(tolower $name)
3269 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3270 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3271 }
3272
3273 get_version LIBSWSCALE libswscale/swscale.h
3274 get_version LIBPOSTPROC libpostproc/postprocess.h
3275 get_version LIBAVCODEC libavcodec/version.h
3276 get_version LIBAVDEVICE libavdevice/avdevice.h
3277 get_version LIBAVFORMAT libavformat/version.h
3278 get_version LIBAVUTIL libavutil/avutil.h
3279 get_version LIBAVFILTER libavfilter/avfilter.h
3280
3281 cat > $TMPH <<EOF
3282 /* Automatically generated by configure - do not modify! */
3283 #ifndef LIBAV_CONFIG_H
3284 #define LIBAV_CONFIG_H
3285 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3286 #define LIBAV_LICENSE "$(c_escape $license)"
3287 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3288 #define CC_TYPE "$cc_type"
3289 #define CC_VERSION $cc_version
3290 #define restrict $_restrict
3291 #define EXTERN_PREFIX "${extern_prefix}"
3292 #define EXTERN_ASM ${extern_prefix}
3293 #define SLIBSUF "$SLIBSUF"
3294 EOF
3295
3296 test -n "$malloc_prefix" &&
3297 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3298
3299 if enabled small || disabled optimizations; then
3300 echo "#undef av_always_inline" >> $TMPH
3301 if enabled small; then
3302 echo "#define av_always_inline inline" >> $TMPH
3303 else
3304 echo "#define av_always_inline av_unused" >> $TMPH
3305 fi
3306 fi
3307
3308 if enabled yasm; then
3309 append config_files $TMPASM
3310 printf '' >$TMPASM
3311 fi
3312
3313 print_config ARCH_ "$config_files" $ARCH_LIST
3314 print_config HAVE_ "$config_files" $HAVE_LIST
3315 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3316 $CONFIG_EXTRA \
3317 $DECODER_LIST \
3318 $ENCODER_LIST \
3319 $HWACCEL_LIST \
3320 $PARSER_LIST \
3321 $BSF_LIST \
3322 $DEMUXER_LIST \
3323 $MUXER_LIST \
3324 $FILTER_LIST \
3325 $PROTOCOL_LIST \
3326 $INDEV_LIST \
3327 $OUTDEV_LIST \
3328
3329 cat >>config.mak <<EOF
3330 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3331 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3332 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3333 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3334 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3335 EOF
3336
3337 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3338
3339 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3340 cp_if_changed $TMPH config.h
3341 touch .config
3342
3343 enabled yasm && cp_if_changed $TMPASM config.asm
3344
3345 cat > $TMPH <<EOF
3346 /* Generated by ffconf */
3347 #ifndef AVUTIL_AVCONFIG_H
3348 #define AVUTIL_AVCONFIG_H
3349 EOF
3350
3351 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3352
3353 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3354
3355 cp_if_changed $TMPH libavutil/avconfig.h
3356
3357 test -n "$WARNINGS" && printf "\n$WARNINGS"
3358
3359 # build pkg-config files
3360
3361 pkgconfig_generate(){
3362 name=$1
3363 shortname=${name#lib}${build_suffix}
3364 comment=$2
3365 version=$3
3366 libs=$4
3367 requires=$5
3368 enabled ${name#lib} || return 0
3369 mkdir -p $name
3370 cat <<EOF > $name/$name.pc
3371 prefix=$prefix
3372 exec_prefix=\${prefix}
3373 libdir=$libdir
3374 includedir=$incdir
3375
3376 Name: $name
3377 Description: $comment
3378 Version: $version
3379 Requires: $(enabled shared || echo $requires)
3380 Requires.private: $(enabled shared && echo $requires)
3381 Conflicts:
3382 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3383 Libs.private: $(enabled shared && echo $libs)
3384 Cflags: -I\${includedir}
3385 EOF
3386 cat <<EOF > $name/$name-uninstalled.pc
3387 prefix=
3388 exec_prefix=
3389 libdir=\${pcfiledir}
3390 includedir=${source_path}
3391
3392 Name: $name
3393 Description: $comment
3394 Version: $version
3395 Requires: $requires
3396 Conflicts:
3397 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3398 Cflags: -I\${includedir}
3399 EOF
3400 }
3401
3402 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3403 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3404 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3405 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3406 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3407 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3408 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"