build: clean up library installation rules
[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 strtok_r
1109 struct_addrinfo
1110 struct_ipv6_mreq
1111 struct_sockaddr_in6
1112 struct_sockaddr_sa_len
1113 struct_sockaddr_storage
1114 symver
1115 symver_gnu_asm
1116 symver_asm_label
1117 sys_mman_h
1118 sys_resource_h
1119 sys_select_h
1120 sys_soundcard_h
1121 sys_videoio_h
1122 threads
1123 trunc
1124 truncf
1125 vfp_args
1126 VirtualAlloc
1127 winsock2_h
1128 xform_asm
1129 xmm_clobbers
1130 yasm
1131 "
1132
1133 # options emitted with CONFIG_ prefix but not available on command line
1134 CONFIG_EXTRA="
1135 avutil
1136 gplv3
1137 lgplv3
1138 "
1139
1140 CMDLINE_SELECT="
1141 $ARCH_EXT_LIST
1142 $CONFIG_LIST
1143 $THREADS_LIST
1144 asm
1145 cross_compile
1146 debug
1147 extra_warnings
1148 logging
1149 optimizations
1150 symver
1151 yasm
1152 "
1153
1154 PATHS_LIST='
1155 bindir
1156 datadir
1157 incdir
1158 libdir
1159 mandir
1160 prefix
1161 shlibdir
1162 '
1163
1164 CMDLINE_SET="
1165 $PATHS_LIST
1166 ar
1167 arch
1168 as
1169 build_suffix
1170 cc
1171 cpu
1172 cross_prefix
1173 dep_cc
1174 extra_version
1175 host_cc
1176 host_cflags
1177 host_ldflags
1178 host_libs
1179 host_os
1180 ld
1181 logfile
1182 malloc_prefix
1183 nm
1184 optflags
1185 pkg_config
1186 samples
1187 sysinclude
1188 sysroot
1189 target_exec
1190 target_os
1191 target_path
1192 "
1193
1194 CMDLINE_APPEND="
1195 extra_cflags
1196 "
1197
1198 # code dependency declarations
1199
1200 # architecture extensions
1201
1202 armv5te_deps="arm"
1203 armv6_deps="arm"
1204 armv6t2_deps="arm"
1205 armvfp_deps="arm"
1206 iwmmxt_deps="arm"
1207 neon_deps="arm"
1208 vfpv3_deps="armvfp"
1209
1210 mmi_deps="mips"
1211
1212 altivec_deps="ppc"
1213 ppc4xx_deps="ppc"
1214
1215 vis_deps="sparc"
1216
1217 x86_64_suggest="cmov fast_cmov"
1218 amd3dnow_deps="mmx"
1219 amd3dnowext_deps="amd3dnow"
1220 mmx_deps="x86"
1221 mmx2_deps="mmx"
1222 sse_deps="mmx"
1223 ssse3_deps="sse"
1224 avx_deps="ssse3"
1225
1226 aligned_stack_if_any="ppc x86"
1227 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1228 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1229 fast_unaligned_if_any="armv6 ppc x86"
1230
1231 need_memalign="altivec neon sse"
1232 inline_asm_deps="!tms470"
1233
1234 symver_if_any="symver_asm_label symver_gnu_asm"
1235
1236 # subsystems
1237 dct_select="rdft"
1238 mdct_select="fft"
1239 rdft_select="fft"
1240 mpegaudiodsp_select="dct"
1241
1242 # decoders / encoders / hardware accelerators
1243 aac_decoder_select="mdct sinewin"
1244 aac_encoder_select="mdct sinewin"
1245 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1246 ac3_decoder_select="mdct ac3dsp ac3_parser"
1247 ac3_encoder_select="mdct ac3dsp"
1248 ac3_fixed_encoder_select="mdct ac3dsp"
1249 alac_encoder_select="lpc"
1250 amrnb_decoder_select="lsp"
1251 amrwb_decoder_select="lsp"
1252 atrac1_decoder_select="mdct sinewin"
1253 atrac3_decoder_select="mdct"
1254 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1255 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1256 cavs_decoder_select="golomb"
1257 cook_decoder_select="mdct sinewin"
1258 cscd_decoder_suggest="zlib"
1259 dca_decoder_select="mdct"
1260 dnxhd_encoder_select="aandct"
1261 dxa_decoder_select="zlib"
1262 eac3_decoder_select="ac3_decoder"
1263 eac3_encoder_select="mdct ac3dsp"
1264 eamad_decoder_select="aandct"
1265 eatgq_decoder_select="aandct"
1266 eatqi_decoder_select="aandct"
1267 ffv1_decoder_select="golomb"
1268 flac_decoder_select="golomb"
1269 flac_encoder_select="golomb lpc"
1270 flashsv_decoder_select="zlib"
1271 flashsv_encoder_select="zlib"
1272 flv_decoder_select="h263_decoder"
1273 flv_encoder_select="h263_encoder"
1274 fraps_decoder_select="huffman"
1275 h261_encoder_select="aandct"
1276 h263_decoder_select="h263_parser"
1277 h263_encoder_select="aandct"
1278 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1279 h263i_decoder_select="h263_decoder"
1280 h263p_encoder_select="h263_encoder"
1281 h264_decoder_select="golomb h264dsp h264pred"
1282 h264_dxva2_hwaccel_deps="dxva2api_h"
1283 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1284 h264_vaapi_hwaccel_select="vaapi"
1285 h264_vdpau_decoder_select="vdpau h264_decoder"
1286 imc_decoder_select="fft mdct sinewin"
1287 jpegls_decoder_select="golomb"
1288 jpegls_encoder_select="golomb"
1289 ljpeg_encoder_select="aandct"
1290 loco_decoder_select="golomb"
1291 mjpeg_encoder_select="aandct"
1292 mlp_decoder_select="mlp_parser"
1293 mp1_decoder_select="mpegaudiodsp"
1294 mp2_decoder_select="mpegaudiodsp"
1295 mp3adu_decoder_select="mpegaudiodsp"
1296 mp3_decoder_select="mpegaudiodsp"
1297 mp3on4_decoder_select="mpegaudiodsp"
1298 mp1float_decoder_select="mpegaudiodsp"
1299 mp2float_decoder_select="mpegaudiodsp"
1300 mp3adufloat_decoder_select="mpegaudiodsp"
1301 mp3float_decoder_select="mpegaudiodsp"
1302 mp3on4float_decoder_select="mpegaudiodsp"
1303 mpeg1video_encoder_select="aandct"
1304 mpeg2video_encoder_select="aandct"
1305 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1306 mpeg4_encoder_select="h263_encoder"
1307 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1308 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1309 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1310 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1311 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1312 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1313 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1314 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1315 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1316 msmpeg4v1_decoder_select="h263_decoder"
1317 msmpeg4v1_encoder_select="h263_encoder"
1318 msmpeg4v2_decoder_select="h263_decoder"
1319 msmpeg4v2_encoder_select="h263_encoder"
1320 msmpeg4v3_decoder_select="h263_decoder"
1321 msmpeg4v3_encoder_select="h263_encoder"
1322 nellymoser_decoder_select="mdct sinewin"
1323 nellymoser_encoder_select="mdct sinewin"
1324 png_decoder_select="zlib"
1325 png_encoder_select="zlib"
1326 qcelp_decoder_select="lsp"
1327 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1328 ra_144_encoder_select="lpc"
1329 rv10_decoder_select="h263_decoder"
1330 rv10_encoder_select="h263_encoder"
1331 rv20_decoder_select="h263_decoder"
1332 rv20_encoder_select="h263_encoder"
1333 rv30_decoder_select="golomb h264pred"
1334 rv40_decoder_select="golomb h264pred"
1335 shorten_decoder_select="golomb"
1336 sipr_decoder_select="lsp"
1337 snow_decoder_select="dwt"
1338 snow_encoder_select="aandct dwt"
1339 svq1_encoder_select="aandct"
1340 svq3_decoder_select="golomb h264dsp h264pred"
1341 svq3_decoder_suggest="zlib"
1342 theora_decoder_select="vp3_decoder"
1343 tiff_decoder_suggest="zlib"
1344 tiff_encoder_suggest="zlib"
1345 truehd_decoder_select="mlp_decoder"
1346 tscc_decoder_select="zlib"
1347 twinvq_decoder_select="mdct lsp sinewin"
1348 vc1_decoder_select="h263_decoder"
1349 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1350 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1351 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1352 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1353 vorbis_decoder_select="mdct"
1354 vorbis_encoder_select="mdct"
1355 vp6_decoder_select="huffman"
1356 vp6a_decoder_select="vp6_decoder"
1357 vp6f_decoder_select="vp6_decoder"
1358 vp8_decoder_select="h264pred"
1359 wmapro_decoder_select="mdct sinewin"
1360 wmav1_decoder_select="mdct sinewin"
1361 wmav1_encoder_select="mdct sinewin"
1362 wmav2_decoder_select="mdct sinewin"
1363 wmav2_encoder_select="mdct sinewin"
1364 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1365 wmv1_decoder_select="h263_decoder"
1366 wmv1_encoder_select="h263_encoder"
1367 wmv2_decoder_select="h263_decoder"
1368 wmv2_encoder_select="h263_encoder"
1369 wmv3_decoder_select="vc1_decoder"
1370 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1371 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1372 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1373 zlib_decoder_select="zlib"
1374 zlib_encoder_select="zlib"
1375 zmbv_decoder_select="zlib"
1376 zmbv_encoder_select="zlib"
1377
1378 vaapi_deps="va_va_h"
1379 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1380
1381 # parsers
1382 h264_parser_select="golomb h264dsp h264pred"
1383
1384 # external libraries
1385 libdirac_decoder_deps="libdirac !libschroedinger"
1386 libdirac_encoder_deps="libdirac"
1387 libfaac_encoder_deps="libfaac"
1388 libgsm_decoder_deps="libgsm"
1389 libgsm_encoder_deps="libgsm"
1390 libgsm_ms_decoder_deps="libgsm"
1391 libgsm_ms_encoder_deps="libgsm"
1392 libmp3lame_encoder_deps="libmp3lame"
1393 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1394 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1395 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1396 libopenjpeg_decoder_deps="libopenjpeg"
1397 libschroedinger_decoder_deps="libschroedinger"
1398 libschroedinger_encoder_deps="libschroedinger"
1399 libspeex_decoder_deps="libspeex"
1400 libtheora_encoder_deps="libtheora"
1401 libvo_aacenc_encoder_deps="libvo_aacenc"
1402 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1403 libvorbis_encoder_deps="libvorbis"
1404 libvpx_decoder_deps="libvpx"
1405 libvpx_encoder_deps="libvpx"
1406 libx264_encoder_deps="libx264"
1407 libxavs_encoder_deps="libxavs"
1408 libxvid_encoder_deps="libxvid"
1409
1410 # demuxers / muxers
1411 ac3_demuxer_select="ac3_parser"
1412 asf_stream_muxer_select="asf_muxer"
1413 avisynth_demuxer_deps="avisynth"
1414 dirac_demuxer_select="dirac_parser"
1415 eac3_demuxer_select="ac3_parser"
1416 flac_demuxer_select="flac_parser"
1417 ipod_muxer_select="mov_muxer"
1418 libnut_demuxer_deps="libnut"
1419 libnut_muxer_deps="libnut"
1420 matroska_audio_muxer_select="matroska_muxer"
1421 matroska_demuxer_suggest="zlib bzlib"
1422 mov_demuxer_suggest="zlib"
1423 mp3_demuxer_select="mpegaudio_parser"
1424 mp4_muxer_select="mov_muxer"
1425 mpegtsraw_demuxer_select="mpegts_demuxer"
1426 mxf_d10_muxer_select="mxf_muxer"
1427 ogg_demuxer_select="golomb"
1428 psp_muxer_select="mov_muxer"
1429 rtp_demuxer_select="sdp_demuxer"
1430 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1431 rtsp_demuxer_select="http_protocol rtpdec"
1432 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1433 sap_demuxer_select="sdp_demuxer"
1434 sap_muxer_select="rtp_muxer rtp_protocol"
1435 sdp_demuxer_select="rtpdec"
1436 spdif_muxer_select="aac_parser"
1437 tg2_muxer_select="mov_muxer"
1438 tgp_muxer_select="mov_muxer"
1439 w64_demuxer_deps="wav_demuxer"
1440
1441 # indevs / outdevs
1442 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1443 alsa_outdev_deps="alsa_asoundlib_h"
1444 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1445 dv1394_indev_deps="dv1394 dv_demuxer"
1446 fbdev_indev_deps="linux_fb_h"
1447 jack_indev_deps="jack_jack_h"
1448 libdc1394_indev_deps="libdc1394"
1449 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1450 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1451 sndio_indev_deps="sndio_h"
1452 sndio_outdev_deps="sndio_h"
1453 v4l_indev_deps="linux_videodev_h"
1454 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1455 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1456 vfwcap_indev_extralibs="-lavicap32"
1457 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1458 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1459
1460 # protocols
1461 gopher_protocol_deps="network"
1462 http_protocol_deps="network"
1463 http_protocol_select="tcp_protocol"
1464 mmsh_protocol_select="http_protocol"
1465 mmst_protocol_deps="network"
1466 rtmp_protocol_select="tcp_protocol"
1467 rtp_protocol_select="udp_protocol"
1468 tcp_protocol_deps="network"
1469 udp_protocol_deps="network"
1470
1471 # filters
1472 blackframe_filter_deps="gpl"
1473 cropdetect_filter_deps="gpl"
1474 drawtext_filter_deps="libfreetype"
1475 frei0r_filter_deps="frei0r dlopen strtok_r"
1476 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1477 hqdn3d_filter_deps="gpl"
1478 ocv_filter_deps="libopencv"
1479 scale_filter_deps="swscale"
1480 yadif_filter_deps="gpl"
1481
1482 # libraries
1483 avdevice_deps="avcodec avformat"
1484 avformat_deps="avcodec"
1485 postproc_deps="gpl"
1486
1487 # programs
1488 ffmpeg_deps="avcodec avformat swscale"
1489 ffmpeg_select="buffer_filter"
1490 ffplay_deps="avcodec avformat swscale sdl"
1491 ffplay_select="rdft"
1492 ffprobe_deps="avcodec avformat"
1493 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1494 ffserver_extralibs='$ldl'
1495
1496 doc_deps="texi2html"
1497
1498 # tests
1499
1500 test_deps(){
1501 suf1=$1
1502 suf2=$2
1503 shift 2
1504 for v; do
1505 dep=${v%=*}
1506 tests=${v#*=}
1507 for name in ${tests}; do
1508 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1509 done
1510 done
1511 }
1512
1513 test_deps _encoder _decoder \
1514 adpcm_g726=g726 \
1515 adpcm_ima_qt \
1516 adpcm_ima_wav \
1517 adpcm_ms \
1518 adpcm_swf \
1519 adpcm_yamaha=adpcm_yam \
1520 alac \
1521 asv1 \
1522 asv2 \
1523 bmp \
1524 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1525 dvvideo="dv dv50" \
1526 ffv1 \
1527 flac \
1528 flashsv \
1529 flv \
1530 gif \
1531 h261 \
1532 h263="h263 h263p" \
1533 huffyuv \
1534 jpegls \
1535 mjpeg="jpg mjpeg ljpeg" \
1536 mp2 \
1537 mpeg1video="mpeg mpeg1b" \
1538 mpeg2video="mpeg2 mpeg2thread" \
1539 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1540 msmpeg4v3=msmpeg4 \
1541 msmpeg4v2 \
1542 pbm=pbmpipe \
1543 pcx \
1544 pgm="pgm pgmpipe" \
1545 png \
1546 ppm="ppm ppmpipe" \
1547 rawvideo="rgb yuv" \
1548 roq \
1549 rv10 \
1550 rv20 \
1551 sgi \
1552 snow="snow snowll" \
1553 svq1 \
1554 targa=tga \
1555 tiff \
1556 wmav1 \
1557 wmav2 \
1558 wmv1 \
1559 wmv2 \
1560
1561 test_deps _muxer _demuxer \
1562 aiff \
1563 pcm_alaw=alaw \
1564 asf \
1565 au \
1566 avi \
1567 dv=dv_fmt \
1568 ffm \
1569 flv=flv_fmt \
1570 gxf \
1571 matroska=mkv \
1572 mmf \
1573 mov \
1574 pcm_mulaw=mulaw \
1575 mxf \
1576 nut \
1577 ogg \
1578 rawvideo=pixfmt \
1579 rm \
1580 swf \
1581 mpegts=ts \
1582 voc \
1583 wav \
1584 yuv4mpegpipe=yuv4mpeg \
1585
1586 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1587 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1588
1589 # default parameters
1590
1591 logfile="config.log"
1592
1593 # installation paths
1594 prefix_default="/usr/local"
1595 bindir_default='${prefix}/bin'
1596 datadir_default='${prefix}/share/ffmpeg'
1597 incdir_default='${prefix}/include'
1598 libdir_default='${prefix}/lib'
1599 mandir_default='${prefix}/share/man'
1600 shlibdir_default="$libdir_default"
1601
1602 # toolchain
1603 ar_default="ar"
1604 cc_default="gcc"
1605 cc_version=\"unknown\"
1606 host_cc_default="gcc"
1607 ln_s="ln -sf"
1608 nm_default="nm"
1609 objformat="elf"
1610 pkg_config_default=pkg-config
1611 ranlib="ranlib"
1612 yasmexe="yasm"
1613 nogas=":"
1614
1615 nm_opts='-g'
1616
1617 # machine
1618 arch_default=$(uname -m)
1619 cpu="generic"
1620
1621 # OS
1622 target_os_default=$(tolower $(uname -s))
1623 host_os=$target_os_default
1624
1625 # configurable options
1626 enable avcodec
1627 enable avdevice
1628 enable avfilter
1629 enable avformat
1630 enable avutil
1631 enable asm
1632 enable debug
1633 enable doc
1634 enable fastdiv
1635 enable ffmpeg
1636 enable ffplay
1637 enable ffprobe
1638 enable ffserver
1639 enable network
1640 enable optimizations
1641 enable postproc
1642 enable protocols
1643 enable static
1644 enable swscale
1645 enable swscale_alpha
1646
1647 # build settings
1648 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1649 FFSERVERLDFLAGS=-Wl,-E
1650 LIBPREF="lib"
1651 LIBSUF=".a"
1652 FULLNAME='$(NAME)$(BUILDSUF)'
1653 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1654 SLIBPREF="lib"
1655 SLIBSUF=".so"
1656 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1657 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1658 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1659 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1660 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1661 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1662
1663 AS_O='-o $@'
1664 CC_O='-o $@'
1665
1666 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1667 host_libs='-lm'
1668
1669 target_path='$(CURDIR)'
1670
1671 # since the object filename is not given with the -MM flag, the compiler
1672 # is only able to print the basename, and we must add the path ourselves
1673 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1674 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1675
1676 # find source path
1677 if test -f configure; then
1678 source_path=.
1679 else
1680 source_path=$(cd $(dirname "$0"); pwd)
1681 echo "$source_path" | grep -q '[[:blank:]]' &&
1682 die "Out of tree builds are impossible with whitespace in source path."
1683 test -e "$source_path/config.h" &&
1684 die "Out of tree builds are impossible with config.h in source dir."
1685 fi
1686
1687 for v in "$@"; do
1688 r=${v#*=}
1689 l=${v%"$r"}
1690 r=$(sh_quote "$r")
1691 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1692 done
1693
1694 find_things(){
1695 thing=$1
1696 pattern=$2
1697 file=$source_path/$3
1698 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1699 }
1700
1701 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1702 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1703 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1704 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1705 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1706 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1707 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1708 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1709 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1710 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1711 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1712
1713 find_tests(){
1714 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1715 }
1716
1717 ACODEC_TESTS=$(find_tests acodec)
1718 VCODEC_TESTS=$(find_tests vsynth1)
1719 LAVF_TESTS=$(find_tests lavf)
1720 LAVFI_TESTS=$(find_tests lavfi)
1721 SEEK_TESTS=$(find_tests seek seek_)
1722
1723 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1724
1725 for n in $COMPONENT_LIST; do
1726 v=$(toupper ${n%s})_LIST
1727 eval enable \$$v
1728 eval ${n}_if_any="\$$v"
1729 done
1730
1731 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1732
1733 die_unknown(){
1734 echo "Unknown option \"$1\"."
1735 echo "See $0 --help for available options."
1736 exit 1
1737 }
1738
1739 show_list() {
1740 suffix=_$1
1741 shift
1742 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1743 exit 0
1744 }
1745
1746 for opt do
1747 optval="${opt#*=}"
1748 case "$opt" in
1749 --extra-ldflags=*) add_ldflags $optval
1750 ;;
1751 --extra-libs=*) add_extralibs $optval
1752 ;;
1753 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1754 ;;
1755 --enable-debug=*) debuglevel="$optval"
1756 ;;
1757 --disable-everything)
1758 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1759 ;;
1760 --enable-*=*|--disable-*=*)
1761 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1762 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1763 eval list=\$$(toupper $thing)_LIST
1764 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1765 $action $(filter "$name" $list)
1766 ;;
1767 --enable-?*|--disable-?*)
1768 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1769 if is_in $option $COMPONENT_LIST; then
1770 test $action = disable && action=unset
1771 eval $action \$$(toupper ${option%s})_LIST
1772 elif is_in $option $CMDLINE_SELECT; then
1773 $action $option
1774 else
1775 die_unknown $opt
1776 fi
1777 ;;
1778 --list-*)
1779 NAME="${opt#--list-}"
1780 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1781 NAME=${NAME%s}
1782 eval show_list $NAME \$$(toupper $NAME)_LIST
1783 ;;
1784 --help|-h) show_help
1785 ;;
1786 *)
1787 optname="${opt%%=*}"
1788 optname="${optname#--}"
1789 optname=$(echo "$optname" | sed 's/-/_/g')
1790 if is_in $optname $CMDLINE_SET; then
1791 eval $optname='$optval'
1792 elif is_in $optname $CMDLINE_APPEND; then
1793 append $optname "$optval"
1794 else
1795 die_unknown $opt
1796 fi
1797 ;;
1798 esac
1799 done
1800
1801 disabled logging && logfile=/dev/null
1802
1803 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1804 set >> $logfile
1805
1806 test -n "$cross_prefix" && enable cross_compile
1807
1808 if enabled cross_compile; then
1809 test -n "$arch" && test -n "$target_os" ||
1810 die "Must specify target arch and OS when cross-compiling"
1811 fi
1812
1813 set_default arch target_os
1814
1815 ar_default="${cross_prefix}${ar_default}"
1816 cc_default="${cross_prefix}${cc_default}"
1817 nm_default="${cross_prefix}${nm_default}"
1818 pkg_config_default="${cross_prefix}${pkg_config_default}"
1819 ranlib="${cross_prefix}${ranlib}"
1820
1821 sysinclude_default="${sysroot}/usr/include"
1822
1823 set_default cc nm pkg_config sysinclude
1824 enabled cross_compile || host_cc_default=$cc
1825 set_default host_cc
1826
1827 if ! $pkg_config --version >/dev/null 2>&1; then
1828 warn "$pkg_config not found, library detection may fail."
1829 pkg_config=false
1830 fi
1831
1832 exesuf() {
1833 case $1 in
1834 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1835 esac
1836 }
1837
1838 EXESUF=$(exesuf $target_os)
1839 HOSTEXESUF=$(exesuf $host_os)
1840
1841 # set temporary file name
1842 : ${TMPDIR:=$TEMPDIR}
1843 : ${TMPDIR:=$TMP}
1844 : ${TMPDIR:=/tmp}
1845
1846 if ! check_cmd mktemp -u XXXXXX; then
1847 # simple replacement for missing mktemp
1848 # NOT SAFE FOR GENERAL USE
1849 mktemp(){
1850 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1851 }
1852 fi
1853
1854 tmpfile(){
1855 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1856 (set -C; exec > $tmp) 2>/dev/null ||
1857 die "Unable to create temporary file in $TMPDIR."
1858 append TMPFILES $tmp
1859 eval $1=$tmp
1860 }
1861
1862 trap 'rm -f -- $TMPFILES' EXIT
1863
1864 tmpfile TMPC .c
1865 tmpfile TMPE $EXESUF
1866 tmpfile TMPH .h
1867 tmpfile TMPO .o
1868 tmpfile TMPS .S
1869 tmpfile TMPV .ver
1870 tmpfile TMPSH .sh
1871 tmpfile TMPASM .asm
1872
1873 unset -f mktemp
1874
1875 chmod +x $TMPE
1876
1877 # make sure we can execute files in $TMPDIR
1878 cat > $TMPSH 2>> $logfile <<EOF
1879 #! /bin/sh
1880 EOF
1881 chmod +x $TMPSH >> $logfile 2>&1
1882 if ! $TMPSH >> $logfile 2>&1; then
1883 cat <<EOF
1884 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1885 variable to another directory and make sure that it is not mounted noexec.
1886 EOF
1887 die "Sanity test failed."
1888 fi
1889
1890 filter_cflags=echo
1891 filter_cppflags=echo
1892 filter_asflags=echo
1893
1894 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1895 cc_type=llvm_gcc
1896 cc_version=__VERSION__
1897 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1898 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1899 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1900 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1901 speed_cflags='-O3'
1902 size_cflags='-Os'
1903 elif $cc -v 2>&1 | grep -qi ^gcc; then
1904 cc_type=gcc
1905 cc_version=__VERSION__
1906 gcc_version=$($cc --version | head -n1)
1907 gcc_basever=$($cc -dumpversion)
1908 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1909 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1910 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1911 if ! $cc -dumpversion | grep -q '^2\.'; then
1912 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1913 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1914 fi
1915 speed_cflags='-O3'
1916 size_cflags='-Os'
1917 elif $cc --version 2>/dev/null | grep -q Intel; then
1918 cc_type=icc
1919 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1920 cc_ident=$($cc --version | head -n1)
1921 icc_version=$($cc -dumpversion)
1922 CC_DEPFLAGS='-MMD'
1923 AS_DEPFLAGS='-MMD'
1924 speed_cflags='-O3'
1925 size_cflags='-Os'
1926 noopt_cflags='-O1'
1927 elif $cc -v 2>&1 | grep -q xlc; then
1928 cc_type=xlc
1929 cc_version="AV_STRINGIFY(__IBMC__)"
1930 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1931 speed_cflags='-O5'
1932 size_cflags='-O5 -qcompact'
1933 elif $cc -V 2>/dev/null | grep -q Compaq; then
1934 cc_type=ccc
1935 cc_version="AV_STRINGIFY(__DECC_VER)"
1936 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1937 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1938 debuglevel=3
1939 add_ldflags -Wl,-z,now # calls to libots crash without this
1940 speed_cflags='-fast'
1941 size_cflags='-O1'
1942 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1943 test -d "$sysroot" || die "No valid sysroot specified."
1944 cc_type=armcc
1945 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1946 cc_ident=$($cc --vsn | head -n1)
1947 armcc_conf="$PWD/armcc.conf"
1948 $cc --arm_linux_configure \
1949 --arm_linux_config_file="$armcc_conf" \
1950 --configure_sysroot="$sysroot" \
1951 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1952 die "Error creating armcc configuration file."
1953 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1954 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1955 as_default="${cross_prefix}gcc"
1956 CC_DEPFLAGS='-MMD'
1957 AS_DEPFLAGS='-MMD'
1958 speed_cflags='-O3'
1959 size_cflags='-Os'
1960 filter_asflags="filter_out -W${armcc_opt}*"
1961 elif $cc -version 2>/dev/null | grep -q TMS470; then
1962 cc_type=tms470
1963 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1964 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1965 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1966 CC_O='-fr=$(@D)'
1967 as_default="${cross_prefix}gcc"
1968 ld_default="${cross_prefix}gcc"
1969 TMPO=$(basename $TMPC .c).o
1970 append TMPFILES $TMPO
1971 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1972 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1973 AS_DEPFLAGS='-MMD'
1974 speed_cflags='-O3 -mf=5'
1975 size_cflags='-O3 -mf=2'
1976 filter_cflags=tms470_flags
1977 tms470_flags(){
1978 for flag; do
1979 case $flag in
1980 -march=*|-mcpu=*)
1981 case "${flag#*=}" in
1982 armv7-a|cortex-a*) echo -mv=7a8 ;;
1983 armv7-r|cortex-r*) echo -mv=7r4 ;;
1984 armv7-m|cortex-m*) echo -mv=7m3 ;;
1985 armv6*|arm11*) echo -mv=6 ;;
1986 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1987 echo -mv=5e ;;
1988 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1989 esac
1990 ;;
1991 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1992 -mfpu=vfp) echo --float_support=vfpv2 ;;
1993 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1994 -msoft-float) echo --float_support=vfplib ;;
1995 -O[0-3]|-mf=*) echo $flag ;;
1996 -g) echo -g -mn ;;
1997 -pds=*) echo $flag ;;
1998 esac
1999 done
2000 }
2001 elif $cc -v 2>&1 | grep -q clang; then
2002 cc_type=clang
2003 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2004 cc_version=__clang_version__ || cc_version=__VERSION__
2005 cc_ident=$($cc --version | head -n1)
2006 CC_DEPFLAGS='-MMD'
2007 AS_DEPFLAGS='-MMD'
2008 speed_cflags='-O3'
2009 size_cflags='-Os'
2010 elif $cc -V 2>&1 | grep -q Sun; then
2011 cc_type=suncc
2012 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2013 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2014 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2015 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2016 speed_cflags='-O5'
2017 size_cflags='-O5 -xspace'
2018 filter_cflags=suncc_flags
2019 suncc_flags(){
2020 for flag; do
2021 case $flag in
2022 -march=*|-mcpu=*)
2023 case "${flag#*=}" in
2024 native) echo -xtarget=native ;;
2025 v9|niagara) echo -xarch=sparc ;;
2026 ultrasparc) echo -xarch=sparcvis ;;
2027 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2028 i586|pentium) echo -xchip=pentium ;;
2029 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2030 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2031 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2032 pentium4*) echo -xtarget=pentium4 ;;
2033 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2034 *-sse3) echo -xarch=sse3 ;;
2035 core2) echo -xarch=ssse3 -xchip=core2 ;;
2036 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2037 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2038 k8|opteron|athlon64|athlon-fx)
2039 echo -xarch=sse2a ;;
2040 athlon*) echo -xarch=pentium_proa ;;
2041 esac
2042 ;;
2043 -std=c99) echo -xc99 ;;
2044 -fomit-frame-pointer) echo -xregs=frameptr ;;
2045 -fPIC) echo -KPIC -xcode=pic32 ;;
2046 -W*,*) echo $flag ;;
2047 -f*-*|-W*) ;;
2048 *) echo $flag ;;
2049 esac
2050 done
2051 }
2052 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2053 cc_type=pathscale
2054 cc_version=__PATHSCALE__
2055 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2056 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2057 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2058 speed_cflags='-O2'
2059 size_cflags='-Os'
2060 filter_cflags='filter_out -Wdisabled-optimization'
2061 elif $cc -v 2>&1 | grep -q Open64; then
2062 cc_type=open64
2063 cc_version=__OPEN64__
2064 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2065 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2066 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2067 speed_cflags='-O2'
2068 size_cflags='-Os'
2069 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2070 fi
2071
2072 test -n "$cc_type" && enable $cc_type ||
2073 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2074
2075 : ${as_default:=$cc}
2076 : ${dep_cc_default:=$cc}
2077 : ${ld_default:=$cc}
2078 set_default ar as dep_cc ld
2079
2080 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2081 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2082
2083 add_cflags $extra_cflags
2084 add_asflags $extra_cflags
2085
2086 if test -n "$sysroot"; then
2087 case "$cc_type" in
2088 gcc|llvm_gcc|clang)
2089 add_cppflags --sysroot="$sysroot"
2090 add_ldflags --sysroot="$sysroot"
2091 ;;
2092 tms470)
2093 add_cppflags -I"$sysinclude"
2094 add_ldflags --sysroot="$sysroot"
2095 ;;
2096 esac
2097 fi
2098
2099 if test "$cpu" = host; then
2100 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2101
2102 case "$cc_type" in
2103 gcc|llvm_gcc)
2104 check_native(){
2105 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2106 sed -n "/$1=/{
2107 s/.*$1=\\([^ ]*\\).*/\\1/
2108 p
2109 q
2110 }" $TMPE
2111 }
2112 cpu=$(check_native -march || check_native -mcpu)
2113 ;;
2114 esac
2115
2116 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2117 fi
2118
2119 # Deal with common $arch aliases
2120 case "$arch" in
2121 arm*)
2122 arch="arm"
2123 ;;
2124 mips|mipsel|IP*)
2125 arch="mips"
2126 ;;
2127 mips64*)
2128 arch="mips"
2129 subarch="mips64"
2130 ;;
2131 parisc|hppa)
2132 arch="parisc"
2133 ;;
2134 parisc64|hppa64)
2135 arch="parisc"
2136 subarch="parisc64"
2137 ;;
2138 "Power Macintosh"|ppc|powerpc)
2139 arch="ppc"
2140 ;;
2141 ppc64|powerpc64)
2142 arch="ppc"
2143 subarch="ppc64"
2144 ;;
2145 s390|s390x)
2146 arch="s390"
2147 ;;
2148 sh4|sh)
2149 arch="sh4"
2150 ;;
2151 sun4u|sparc64)
2152 arch="sparc"
2153 subarch="sparc64"
2154 ;;
2155 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2156 arch="x86"
2157 ;;
2158 esac
2159
2160 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2161 enable $arch
2162
2163 # Add processor-specific flags
2164 if test "$cpu" = generic; then
2165 : do nothing
2166 elif enabled ppc; then
2167
2168 case $(tolower $cpu) in
2169 601|ppc601|powerpc601)
2170 cpuflags="-mcpu=601"
2171 disable altivec
2172 ;;
2173 603*|ppc603*|powerpc603*)
2174 cpuflags="-mcpu=603"
2175 disable altivec
2176 ;;
2177 604*|ppc604*|powerpc604*)
2178 cpuflags="-mcpu=604"
2179 disable altivec
2180 ;;
2181 g3|75*|ppc75*|powerpc75*)
2182 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2183 disable altivec
2184 ;;
2185 g4|745*|ppc745*|powerpc745*)
2186 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2187 ;;
2188 74*|ppc74*|powerpc74*)
2189 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2190 ;;
2191 g5|970|ppc970|powerpc970|power4*)
2192 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2193 ;;
2194 cell)
2195 cpuflags="-mcpu=cell"
2196 enable ldbrx
2197 ;;
2198 e500v2)
2199 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2200 disable altivec
2201 ;;
2202 e500)
2203 cpuflags="-mcpu=8540 -mhard-float"
2204 disable altivec
2205 ;;
2206 esac
2207
2208 elif enabled x86; then
2209
2210 case $cpu in
2211 i[345]86|pentium)
2212 cpuflags="-march=$cpu"
2213 disable mmx
2214 ;;
2215 # targets that do NOT support conditional mov (cmov)
2216 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2217 cpuflags="-march=$cpu"
2218 disable cmov
2219 ;;
2220 # targets that do support conditional mov (cmov)
2221 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2222 cpuflags="-march=$cpu"
2223 enable cmov
2224 enable fast_cmov
2225 ;;
2226 # targets that do support conditional mov but on which it's slow
2227 pentium4|pentium4m|prescott|nocona)
2228 cpuflags="-march=$cpu"
2229 enable cmov
2230 disable fast_cmov
2231 ;;
2232 esac
2233
2234 elif enabled sparc; then
2235
2236 case $cpu in
2237 niagara)
2238 cpuflags="-mcpu=$cpu"
2239 disable vis
2240 ;;
2241 sparc64)
2242 cpuflags="-mcpu=v9"
2243 ;;
2244 esac
2245
2246 elif enabled arm; then
2247
2248 case $cpu in
2249 armv*)
2250 cpuflags="-march=$cpu"
2251 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2252 ;;
2253 *)
2254 cpuflags="-mcpu=$cpu"
2255 case $cpu in
2256 cortex-a*) subarch=armv7a ;;
2257 cortex-r*) subarch=armv7r ;;
2258 cortex-m*) enable thumb; subarch=armv7m ;;
2259 arm11*) subarch=armv6 ;;
2260 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2261 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2262 esac
2263 ;;
2264 esac
2265
2266 elif enabled alpha; then
2267
2268 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2269
2270 elif enabled bfin; then
2271
2272 cpuflags="-mcpu=$cpu"
2273
2274 elif enabled mips; then
2275
2276 cpuflags="-march=$cpu"
2277
2278 elif enabled avr32; then
2279
2280 case $cpu in
2281 ap7[02]0[0-2])
2282 subarch="avr32_ap"
2283 cpuflags="-mpart=$cpu"
2284 ;;
2285 ap)
2286 subarch="avr32_ap"
2287 cpuflags="-march=$cpu"
2288 ;;
2289 uc3[ab]*)
2290 subarch="avr32_uc"
2291 cpuflags="-mcpu=$cpu"
2292 ;;
2293 uc)
2294 subarch="avr32_uc"
2295 cpuflags="-march=$cpu"
2296 ;;
2297 esac
2298
2299 fi
2300
2301 add_cflags $cpuflags
2302 add_asflags $cpuflags
2303
2304 # compiler sanity check
2305 check_exec <<EOF
2306 int main(void){ return 0; }
2307 EOF
2308 if test "$?" != 0; then
2309 echo "$cc is unable to create an executable file."
2310 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2311 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2312 echo "Only do this if you know what cross compiling means."
2313 fi
2314 die "C compiler test failed."
2315 fi
2316
2317 add_cppflags -D_ISOC99_SOURCE
2318 check_cflags -std=c99
2319 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2320 #include <stdlib.h>
2321 EOF
2322 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2323 #include <stdlib.h>
2324 EOF
2325
2326 check_host_cflags -std=c99
2327 check_host_cflags -Wall
2328
2329 case "$arch" in
2330 alpha|ia64|mips|parisc|sparc)
2331 spic=$shared
2332 ;;
2333 x86)
2334 subarch="x86_32"
2335 check_cc <<EOF && subarch="x86_64"
2336 int test[(int)sizeof(char*) - 7];
2337 EOF
2338 if test "$subarch" = "x86_64"; then
2339 spic=$shared
2340 fi
2341 ;;
2342 esac
2343
2344 enable $subarch
2345 enabled spic && enable pic
2346
2347 # OS specific
2348 case $target_os in
2349 haiku)
2350 prefix_default="/boot/common"
2351 network_extralibs="-lnetwork"
2352 host_libs=
2353 ;;
2354 sunos)
2355 FFSERVERLDFLAGS=""
2356 SHFLAGS='-shared -Wl,-h,$$(@F)'
2357 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2358 network_extralibs="-lsocket -lnsl"
2359 add_cppflags -D__EXTENSIONS__
2360 nm_opts='-P -g'
2361 ;;
2362 netbsd)
2363 disable symver
2364 oss_indev_extralibs="-lossaudio"
2365 oss_outdev_extralibs="-lossaudio"
2366 ;;
2367 openbsd)
2368 enable malloc_aligned
2369 # On OpenBSD 4.5. the compiler does not use PIC unless
2370 # explicitly using -fPIC. Libav builds fine without PIC,
2371 # however the generated executable will not do anything
2372 # (simply quits with exit-code 1, no crash, no output).
2373 # Thus explicitly enable PIC here.
2374 enable pic
2375 disable symver
2376 SHFLAGS='-shared'
2377 oss_indev_extralibs="-lossaudio"
2378 oss_outdev_extralibs="-lossaudio"
2379 ;;
2380 dragonfly)
2381 enable malloc_aligned
2382 disable symver
2383 ;;
2384 freebsd)
2385 enable malloc_aligned
2386 ;;
2387 bsd/os)
2388 add_extralibs -lpoll -lgnugetopt
2389 ;;
2390 darwin)
2391 enable malloc_aligned
2392 gas="gas-preprocessor.pl $cc"
2393 enabled ppc && add_asflags -force_cpusubtype_ALL
2394 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2395 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2396 add_ldflags -Wl,-dynamic,-search_paths_first
2397 SLIBSUF=".dylib"
2398 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2399 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2400 FFSERVERLDFLAGS=-Wl,-bind_at_load
2401 objformat="macho"
2402 enabled x86_64 && objformat="macho64"
2403 enabled_any pic shared ||
2404 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2405 ;;
2406 mingw32*)
2407 if test $target_os = "mingw32ce"; then
2408 disable network
2409 else
2410 target_os=mingw32
2411 fi
2412 LIBTARGET=i386
2413 if enabled x86_64; then
2414 enable malloc_aligned
2415 LIBTARGET="i386:x86-64"
2416 elif enabled arm; then
2417 LIBTARGET=arm-wince
2418 fi
2419 shlibdir_default="$bindir_default"
2420 SLIBPREF=""
2421 SLIBSUF=".dll"
2422 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2423 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2424 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2425 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2426 SLIB_INSTALL_LINKS=
2427 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2428 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2429 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'
2430 objformat="win32"
2431 dlltool="${cross_prefix}dlltool"
2432 enable dos_paths
2433 check_cflags -fno-common
2434 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2435 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2436 die "ERROR: MinGW runtime version must be >= 3.15."
2437 add_cppflags -U__STRICT_ANSI__
2438 ;;
2439 cygwin*)
2440 target_os=cygwin
2441 shlibdir_default="$bindir_default"
2442 SLIBPREF="cyg"
2443 SLIBSUF=".dll"
2444 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2445 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2446 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2447 objformat="win32"
2448 enable dos_paths
2449 check_cflags -fno-common
2450 add_cppflags -U__STRICT_ANSI__
2451 ;;
2452 *-dos|freedos|opendos)
2453 network_extralibs="-lsocket"
2454 objformat="coff"
2455 enable dos_paths
2456 add_cppflags -U__STRICT_ANSI__
2457 ;;
2458 linux)
2459 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2460 enable dv1394
2461 ;;
2462 irix*)
2463 target_os=irix
2464 ranlib="echo ignoring ranlib"
2465 ;;
2466 os/2*)
2467 ln_s="cp -f"
2468 objformat="aout"
2469 add_cppflags -D_GNU_SOURCE
2470 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2471 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2472 FFSERVERLDFLAGS=""
2473 LIBSUF="_s.a"
2474 SLIBPREF=""
2475 SLIBSUF=".dll"
2476 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2477 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2478 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2479 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2480 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2481 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2482 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2483 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2484 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2485 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2486 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2487 enable dos_paths
2488 ;;
2489 gnu/kfreebsd)
2490 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2491 ;;
2492 gnu)
2493 ;;
2494 qnx)
2495 add_cppflags -D_QNX_SOURCE
2496 network_extralibs="-lsocket"
2497 ;;
2498 symbian)
2499 SLIBSUF=".dll"
2500 enable dos_paths
2501 add_cflags --include=$sysinclude/gcce/gcce.h
2502 ;;
2503 none)
2504 ;;
2505 *)
2506 die "Unknown OS '$target_os'."
2507 ;;
2508 esac
2509
2510 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2511
2512 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2513
2514 set_default $PATHS_LIST
2515
2516 # we need to build at least one lib type
2517 if ! enabled_any static shared; then
2518 cat <<EOF
2519 At least one library type must be built.
2520 Specify --enable-static to build the static libraries or --enable-shared to
2521 build the shared libraries as well. To only build the shared libraries specify
2522 --disable-static in addition to --enable-shared.
2523 EOF
2524 exit 1;
2525 fi
2526
2527 die_license_disabled() {
2528 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2529 }
2530
2531 die_license_disabled gpl libx264
2532 die_license_disabled gpl libxavs
2533 die_license_disabled gpl libxvid
2534 die_license_disabled gpl x11grab
2535
2536 die_license_disabled nonfree libfaac
2537
2538 die_license_disabled version3 libopencore_amrnb
2539 die_license_disabled version3 libopencore_amrwb
2540 die_license_disabled version3 libvo_aacenc
2541 die_license_disabled version3 libvo_amrwbenc
2542
2543 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2544
2545 disabled optimizations || check_cflags -fomit-frame-pointer
2546
2547 enable_pic() {
2548 enable pic
2549 add_cppflags -DPIC
2550 add_cflags -fPIC
2551 add_asflags -fPIC
2552 }
2553
2554 enabled pic && enable_pic
2555
2556 check_cc <<EOF || die "Symbol mangling check failed."
2557 int ff_extern;
2558 EOF
2559 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2560 extern_prefix=${sym%%ff_extern*}
2561
2562 check_cc <<EOF && enable inline_asm
2563 void foo(void) { __asm__ volatile ("" ::); }
2564 EOF
2565
2566 _restrict=
2567 for restrict_keyword in restrict __restrict__ __restrict; do
2568 check_cc <<EOF && _restrict=$restrict_keyword && break
2569 void foo(char * $restrict_keyword p);
2570 EOF
2571 done
2572
2573 check_cc <<EOF && enable attribute_packed
2574 struct { int x; } __attribute__((packed)) x;
2575 EOF
2576
2577 check_cc <<EOF && enable attribute_may_alias
2578 union { int x; } __attribute__((may_alias)) x;
2579 EOF
2580
2581 check_cc <<EOF || die "endian test failed"
2582 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2583 EOF
2584 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2585
2586 if enabled alpha; then
2587
2588 check_cflags -mieee
2589
2590 elif enabled arm; then
2591
2592 enabled thumb && check_cflags -mthumb || check_cflags -marm
2593 nogas=die
2594
2595 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2596 enable vfp_args
2597 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2598 case "${cross_prefix:-$cc}" in
2599 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2600 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2601 __asm__ (".eabi_attribute 28, 1");
2602 int main(void) { return 0; }
2603 EOF
2604 esac
2605 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2606 fi
2607
2608 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2609 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2610 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2611 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2612 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2613 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2614 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2615
2616 enabled_all armv6t2 shared !pic && enable_pic
2617
2618 elif enabled mips; then
2619
2620 check_asm loongson '"dmult.g $1, $2, $3"'
2621 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2622
2623 elif enabled ppc; then
2624
2625 enable local_aligned_8 local_aligned_16
2626
2627 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2628 check_asm ibm_asm '"add 0, 0, 0"'
2629 check_asm ppc4xx '"maclhw r10, r11, r12"'
2630 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2631
2632 # AltiVec flags: The FSF version of GCC differs from the Apple version
2633 if enabled altivec; then
2634 nogas=warn
2635 check_cflags -maltivec -mabi=altivec &&
2636 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2637 check_cflags -faltivec
2638
2639 # check if our compiler supports Motorola AltiVec C API
2640 check_cc <<EOF || disable altivec
2641 $inc_altivec_h
2642 int main(void) {
2643 vector signed int v1, v2, v3;
2644 v1 = vec_add(v2,v3);
2645 return 0;
2646 }
2647 EOF
2648
2649 # check if our compiler supports braces for vector declarations
2650 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2651 $inc_altivec_h
2652 int main (void) { (vector int) {1}; return 0; }
2653 EOF
2654 fi
2655
2656 elif enabled sparc; then
2657
2658 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2659 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2660
2661 elif enabled x86; then
2662
2663 enable local_aligned_8 local_aligned_16
2664
2665 # check whether EBP is available on x86
2666 # As 'i' is stored on the stack, this program will crash
2667 # if the base pointer is used to access it because the
2668 # base pointer is cleared in the inline assembly code.
2669 check_exec_crash <<EOF && enable ebp_available
2670 volatile int i=0;
2671 __asm__ volatile (
2672 "xorl %%ebp, %%ebp"
2673 ::: "%ebp");
2674 return i;
2675 EOF
2676
2677 # check whether EBX is available on x86
2678 check_asm ebx_available '""::"b"(0)' &&
2679 check_asm ebx_available '"":::"%ebx"'
2680
2681 # check whether xmm clobbers are supported
2682 check_asm xmm_clobbers '"":::"%xmm0"'
2683
2684 # check whether binutils is new enough to compile SSSE3/MMX2
2685 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2686 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2687
2688 check_asm bswap '"bswap %%eax" ::: "%eax"'
2689
2690 if ! disabled_any asm mmx yasm; then
2691 if check_cmd $yasmexe --version; then
2692 enabled x86_64 && yasm_extra="-m amd64"
2693 yasm_debug="-g dwarf2"
2694 elif check_cmd nasm -v; then
2695 yasmexe=nasm
2696 yasm_debug="-g -F dwarf"
2697 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2698 fi
2699
2700 YASMFLAGS="-f $objformat $yasm_extra"
2701 enabled pic && append YASMFLAGS "-DPIC"
2702 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2703 case "$objformat" in
2704 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2705 esac
2706
2707 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2708 die "yasm not found, use --disable-yasm for a crippled build"
2709 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2710 fi
2711
2712 case "$cpu" in
2713 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2714 disable fast_clz
2715 ;;
2716 esac
2717
2718 fi
2719
2720 if enabled asm; then
2721 as=${gas:=$as}
2722 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2723 $nogas "GNU assembler not found, install gas-preprocessor"
2724 fi
2725
2726 check_ldflags -Wl,--as-needed
2727
2728 if check_func dlopen; then
2729 ldl=
2730 elif check_func dlopen -ldl; then
2731 ldl=-ldl
2732 fi
2733
2734 if enabled network; then
2735 check_type "sys/types.h sys/socket.h" socklen_t
2736 check_type netdb.h "struct addrinfo"
2737 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2738 check_type netinet/in.h "struct sockaddr_in6"
2739 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2740 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2741 # Prefer arpa/inet.h over winsock2
2742 if check_header arpa/inet.h ; then
2743 check_func closesocket
2744 elif check_header winsock2.h ; then
2745 check_func_headers winsock2.h closesocket -lws2 && \
2746 network_extralibs="-lws2" || \
2747 { check_func_headers winsock2.h closesocket -lws2_32 && \
2748 network_extralibs="-lws2_32"; }
2749 check_type ws2tcpip.h socklen_t
2750 check_type ws2tcpip.h "struct addrinfo"
2751 check_type ws2tcpip.h "struct ipv6_mreq"
2752 check_type ws2tcpip.h "struct sockaddr_in6"
2753 check_type ws2tcpip.h "struct sockaddr_storage"
2754 check_struct winsock2.h "struct sockaddr" sa_len
2755 else
2756 disable network
2757 fi
2758 fi
2759
2760 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2761 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2762
2763 check_func fcntl
2764 check_func fork
2765 check_func getaddrinfo $network_extralibs
2766 check_func gethrtime
2767 check_func getrusage
2768 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2769 check_func inet_aton $network_extralibs
2770 check_func isatty
2771 check_func localtime_r
2772 check_func ${malloc_prefix}memalign && enable memalign
2773 check_func mkstemp
2774 check_func mmap
2775 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2776 check_func setrlimit
2777 check_func strerror_r
2778 check_func strtok_r
2779 check_func_headers io.h setmode
2780 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2781 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2782 check_func_headers windows.h GetProcessTimes
2783 check_func_headers windows.h MapViewOfFile
2784 check_func_headers windows.h VirtualAlloc
2785
2786 check_header dlfcn.h
2787 check_header dxva2api.h
2788 check_header malloc.h
2789 check_header poll.h
2790 check_header sys/mman.h
2791 check_header sys/resource.h
2792 check_header sys/select.h
2793 check_header vdpau/vdpau.h
2794 check_header vdpau/vdpau_x11.h
2795 check_header X11/extensions/XvMClib.h
2796
2797 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2798
2799 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2800 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2801
2802 # check for some common methods of building with pthread support
2803 # do this before the optional library checks as some of them require pthreads
2804 if ! disabled pthreads && ! enabled w32threads; then
2805 enable pthreads
2806 if check_func pthread_create; then
2807 :
2808 elif check_func pthread_create -pthread; then
2809 add_cflags -pthread
2810 add_extralibs -pthread
2811 elif check_func pthread_create -pthreads; then
2812 add_cflags -pthreads
2813 add_extralibs -pthreads
2814 elif check_func pthread_create -lpthreadGC2; then
2815 add_extralibs -lpthreadGC2
2816 elif ! check_lib pthread.h pthread_create -lpthread; then
2817 disable pthreads
2818 fi
2819 fi
2820
2821 for thread in $THREADS_LIST; do
2822 if enabled $thread; then
2823 test -n "$thread_type" &&
2824 die "ERROR: Only one thread type must be selected." ||
2825 thread_type="$thread"
2826 fi
2827 done
2828
2829 check_lib math.h sin -lm && LIBM="-lm"
2830 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2831
2832 check_mathfunc exp2
2833 check_mathfunc exp2f
2834 check_mathfunc llrint
2835 check_mathfunc llrintf
2836 check_mathfunc log2
2837 check_mathfunc log2f
2838 check_mathfunc lrint
2839 check_mathfunc lrintf
2840 check_mathfunc round
2841 check_mathfunc roundf
2842 check_mathfunc trunc
2843 check_mathfunc truncf
2844
2845 # these are off by default, so fail if requested and not available
2846 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2847 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2848 enabled libdirac && require_pkg_config dirac \
2849 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2850 "dirac_decoder_init dirac_encoder_init"
2851 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2852 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2853 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2854 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2855 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2856 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2857 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2858 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2859 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2860 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2861 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2862 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2863 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2864 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2865 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2866 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2867 enabled libvpx && {
2868 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2869 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2870 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2871 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2872 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2873 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2874 die "ERROR: libx264 version must be >= 0.115."; }
2875 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2876 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2877 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2878
2879 # libdc1394 check
2880 if enabled libdc1394; then
2881 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2882 enable libdc1394_2; } ||
2883 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2884 enable libdc1394_1; } ||
2885 die "ERROR: No version of libdc1394 found "
2886 fi
2887
2888 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2889 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2890 enable sdl &&
2891 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2892 fi
2893
2894 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2895
2896 check_header linux/fb.h
2897 check_header linux/videodev.h
2898 check_header linux/videodev2.h
2899 check_header sys/videoio.h
2900
2901 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2902 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2903 # w32api 3.12 had it defined wrong
2904 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2905
2906 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2907 { check_header dev/bktr/ioctl_meteor.h &&
2908 check_header dev/bktr/ioctl_bt848.h; } ||
2909 { check_header machine/ioctl_meteor.h &&
2910 check_header machine/ioctl_bt848.h; } ||
2911 { check_header dev/video/meteor/ioctl_meteor.h &&
2912 check_header dev/video/bktr/ioctl_bt848.h; } ||
2913 check_header dev/ic/bt8xx.h
2914
2915 check_header sndio.h
2916 check_header sys/soundcard.h
2917 check_header soundcard.h
2918
2919 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2920
2921 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2922
2923 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2924
2925 enabled x11grab &&
2926 check_header X11/Xlib.h &&
2927 check_header X11/extensions/XShm.h &&
2928 check_header X11/extensions/Xfixes.h &&
2929 check_func XOpenDisplay -lX11 &&
2930 check_func XShmCreateImage -lX11 -lXext &&
2931 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2932
2933 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2934 check_cpp_condition \
2935 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2936 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2937 disable vdpau; }
2938 fi
2939
2940 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2941
2942 # add some useful compiler flags if supported
2943 check_cflags -Wdeclaration-after-statement
2944 check_cflags -Wall
2945 check_cflags -Wno-parentheses
2946 check_cflags -Wno-switch
2947 check_cflags -Wno-format-zero-length
2948 check_cflags -Wdisabled-optimization
2949 check_cflags -Wpointer-arith
2950 check_cflags -Wredundant-decls
2951 check_cflags -Wno-pointer-sign
2952 check_cflags -Wcast-qual
2953 check_cflags -Wwrite-strings
2954 check_cflags -Wtype-limits
2955 check_cflags -Wundef
2956 check_cflags -Wmissing-prototypes
2957 enabled extra_warnings && check_cflags -Winline
2958
2959 # add some linker flags
2960 check_ldflags -Wl,--warn-common
2961 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
2962 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2963
2964 echo "X{};" > $TMPV
2965 if test_ldflags -Wl,--version-script,$TMPV; then
2966 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2967 check_cc <<EOF && enable symver_asm_label
2968 void ff_foo(void) __asm__ ("av_foo@VERSION");
2969 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2970 EOF
2971 check_cc <<EOF && enable symver_gnu_asm
2972 __asm__(".symver ff_foo,av_foo@VERSION");
2973 void ff_foo(void) {}
2974 EOF
2975 fi
2976
2977 if [ -n "$optflags" ]; then
2978 add_cflags $optflags
2979 elif enabled small; then
2980 add_cflags $size_cflags
2981 elif enabled optimizations; then
2982 add_cflags $speed_cflags
2983 else
2984 add_cflags $noopt_cflags
2985 fi
2986 check_cflags -fno-math-errno
2987 check_cflags -fno-signed-zeros
2988
2989 if enabled icc; then
2990 # Just warnings, no remarks
2991 check_cflags -w1
2992 # -wd: Disable following warnings
2993 # 144, 167, 556: -Wno-pointer-sign
2994 # 1292: attribute "foo" ignored
2995 # 10006: ignoring unknown option -fno-signed-zeros
2996 # 10148: ignoring unknown option -Wno-parentheses
2997 # 10156: ignoring option '-W'; no argument required
2998 check_cflags -wd144,167,556,1292,10006,10148,10156
2999 # 11030: Warning unknown option --as-needed
3000 # 10156: ignoring option '-export'; no argument required
3001 check_ldflags -wd10156,11030
3002 # Allow to compile with optimizations
3003 check_ldflags -march=$cpu
3004 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3005 enable ebp_available
3006 if enabled x86_32; then
3007 test ${icc_version%%.*} -ge 11 && \
3008 check_cflags -falign-stack=maintain-16-byte || \
3009 disable aligned_stack
3010 fi
3011 elif enabled ccc; then
3012 # disable some annoying warnings
3013 add_cflags -msg_disable cvtu32to64
3014 add_cflags -msg_disable embedcomment
3015 add_cflags -msg_disable needconstext
3016 add_cflags -msg_disable nomainieee
3017 add_cflags -msg_disable ptrmismatch1
3018 add_cflags -msg_disable unreachcode
3019 elif enabled gcc; then
3020 check_cflags -fno-tree-vectorize
3021 check_cflags -Werror=implicit-function-declaration
3022 check_cflags -Werror=missing-prototypes
3023 elif enabled llvm_gcc; then
3024 check_cflags -mllvm -stack-alignment=16
3025 elif enabled clang; then
3026 check_cflags -mllvm -stack-alignment=16
3027 check_cflags -Qunused-arguments
3028 elif enabled armcc; then
3029 # 2523: use of inline assembler is deprecated
3030 add_cflags -W${armcc_opt},--diag_suppress=2523
3031 add_cflags -W${armcc_opt},--diag_suppress=1207
3032 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3033 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3034 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3035 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3036 elif enabled tms470; then
3037 add_cflags -pds=824 -pds=837
3038 elif enabled pathscale; then
3039 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3040 fi
3041
3042 enabled_any $THREADS_LIST && enable threads
3043
3044 check_deps $CONFIG_LIST \
3045 $CONFIG_EXTRA \
3046 $HAVE_LIST \
3047 $DECODER_LIST \
3048 $ENCODER_LIST \
3049 $HWACCEL_LIST \
3050 $PARSER_LIST \
3051 $BSF_LIST \
3052 $DEMUXER_LIST \
3053 $MUXER_LIST \
3054 $FILTER_LIST \
3055 $INDEV_LIST \
3056 $OUTDEV_LIST \
3057 $PROTOCOL_LIST \
3058 $ACODEC_TESTS \
3059 $VCODEC_TESTS \
3060 $LAVF_TESTS \
3061 $LAVFI_TESTS \
3062 $SEEK_TESTS \
3063
3064 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3065
3066 ! enabled_any memalign posix_memalign malloc_aligned &&
3067 enabled_any $need_memalign && enable memalign_hack
3068
3069 echo "install prefix $prefix"
3070 echo "source path $source_path"
3071 echo "C compiler $cc"
3072 echo "ARCH $arch ($cpu)"
3073 if test "$build_suffix" != ""; then
3074 echo "build suffix $build_suffix"
3075 fi
3076 if test "$extra_version" != ""; then
3077 echo "version string suffix $extra_version"
3078 fi
3079 echo "big-endian ${bigendian-no}"
3080 echo "runtime cpu detection ${runtime_cpudetect-no}"
3081 if enabled x86; then
3082 echo "${yasmexe} ${yasm-no}"
3083 echo "MMX enabled ${mmx-no}"
3084 echo "MMX2 enabled ${mmx2-no}"
3085 echo "3DNow! enabled ${amd3dnow-no}"
3086 echo "3DNow! extended enabled ${amd3dnowext-no}"
3087 echo "SSE enabled ${sse-no}"
3088 echo "SSSE3 enabled ${ssse3-no}"
3089 echo "AVX enabled ${avx-no}"
3090 echo "CMOV enabled ${cmov-no}"
3091 echo "CMOV is fast ${fast_cmov-no}"
3092 echo "EBX available ${ebx_available-no}"
3093 echo "EBP available ${ebp_available-no}"
3094 fi
3095 if enabled arm; then
3096 echo "ARMv5TE enabled ${armv5te-no}"
3097 echo "ARMv6 enabled ${armv6-no}"
3098 echo "ARMv6T2 enabled ${armv6t2-no}"
3099 echo "ARM VFP enabled ${armvfp-no}"
3100 echo "IWMMXT enabled ${iwmmxt-no}"
3101 echo "NEON enabled ${neon-no}"
3102 fi
3103 if enabled mips; then
3104 echo "MMI enabled ${mmi-no}"
3105 fi
3106 if enabled ppc; then
3107 echo "AltiVec enabled ${altivec-no}"
3108 echo "PPC 4xx optimizations ${ppc4xx-no}"
3109 echo "dcbzl available ${dcbzl-no}"
3110 fi
3111 if enabled sparc; then
3112 echo "VIS enabled ${vis-no}"
3113 fi
3114 echo "debug symbols ${debug-no}"
3115 echo "optimize for size ${small-no}"
3116 echo "optimizations ${optimizations-no}"
3117 echo "static ${static-no}"
3118 echo "shared ${shared-no}"
3119 echo "postprocessing support ${postproc-no}"
3120 echo "new filter support ${avfilter-no}"
3121 echo "network support ${network-no}"
3122 echo "threading support ${thread_type-no}"
3123 echo "SDL support ${sdl-no}"
3124 echo "Sun medialib support ${mlib-no}"
3125 echo "libdxva2 enabled ${dxva2-no}"
3126 echo "libva enabled ${vaapi-no}"
3127 echo "libvdpau enabled ${vdpau-no}"
3128 echo "AVISynth enabled ${avisynth-no}"
3129 echo "frei0r enabled ${frei0r-no}"
3130 echo "libdc1394 support ${libdc1394-no}"
3131 echo "libdirac enabled ${libdirac-no}"
3132 echo "libfaac enabled ${libfaac-no}"
3133 echo "libgsm enabled ${libgsm-no}"
3134 echo "libmp3lame enabled ${libmp3lame-no}"
3135 echo "libnut enabled ${libnut-no}"
3136 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3137 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3138 echo "libopencv support ${libopencv-no}"
3139 echo "libopenjpeg enabled ${libopenjpeg-no}"
3140 echo "librtmp enabled ${librtmp-no}"
3141 echo "libschroedinger enabled ${libschroedinger-no}"
3142 echo "libspeex enabled ${libspeex-no}"
3143 echo "libtheora enabled ${libtheora-no}"
3144 echo "libvo-aacenc support ${libvo_aacenc-no}"
3145 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3146 echo "libvorbis enabled ${libvorbis-no}"
3147 echo "libvpx enabled ${libvpx-no}"
3148 echo "libx264 enabled ${libx264-no}"
3149 echo "libxavs enabled ${libxavs-no}"
3150 echo "libxvid enabled ${libxvid-no}"
3151 echo "zlib enabled ${zlib-no}"
3152 echo "bzlib enabled ${bzlib-no}"
3153 echo
3154
3155 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3156 echo "Enabled ${type}s:"
3157 eval list=\$$(toupper $type)_LIST
3158 print_enabled '_*' $list | sort | pr -r -3 -t
3159 echo
3160 done
3161
3162 license="LGPL version 2.1 or later"
3163 if enabled nonfree; then
3164 license="nonfree and unredistributable"
3165 elif enabled gplv3; then
3166 license="GPL version 3 or later"
3167 elif enabled lgplv3; then
3168 license="LGPL version 3 or later"
3169 elif enabled gpl; then
3170 license="GPL version 2 or later"
3171 fi
3172
3173 echo "License: $license"
3174
3175 echo "Creating config.mak and config.h..."
3176
3177 test -e Makefile || $ln_s "$source_path/Makefile" .
3178
3179 config_files="$TMPH config.mak"
3180
3181 cat > config.mak <<EOF
3182 # Automatically generated by configure - do not modify!
3183 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3184 prefix=$prefix
3185 LIBDIR=\$(DESTDIR)$libdir
3186 SHLIBDIR=\$(DESTDIR)$shlibdir
3187 INCDIR=\$(DESTDIR)$incdir
3188 BINDIR=\$(DESTDIR)$bindir
3189 DATADIR=\$(DESTDIR)$datadir
3190 MANDIR=\$(DESTDIR)$mandir
3191 SRC_PATH=$source_path
3192 CC_IDENT=$cc_ident
3193 ARCH=$arch
3194 CC=$cc
3195 AS=$as
3196 LD=$ld
3197 DEPCC=$dep_cc
3198 YASM=$yasmexe
3199 YASMDEP=$yasmexe
3200 AR=$ar
3201 RANLIB=$ranlib
3202 LN_S=$ln_s
3203 CPPFLAGS=$CPPFLAGS
3204 CFLAGS=$CFLAGS
3205 ASFLAGS=$ASFLAGS
3206 AS_O=$CC_O
3207 CC_O=$CC_O
3208 DLLTOOL=$dlltool
3209 LDFLAGS=$LDFLAGS
3210 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3211 SHFLAGS=$SHFLAGS
3212 YASMFLAGS=$YASMFLAGS
3213 BUILDSUF=$build_suffix
3214 FULLNAME=$FULLNAME
3215 LIBPREF=$LIBPREF
3216 LIBSUF=$LIBSUF
3217 LIBNAME=$LIBNAME
3218 SLIBPREF=$SLIBPREF
3219 SLIBSUF=$SLIBSUF
3220 EXESUF=$EXESUF
3221 EXTRA_VERSION=$extra_version
3222 DEPFLAGS=$DEPFLAGS
3223 CCDEP=$CCDEP
3224 ASDEP=$ASDEP
3225 CC_DEPFLAGS=$CC_DEPFLAGS
3226 AS_DEPFLAGS=$AS_DEPFLAGS
3227 HOSTCC=$host_cc
3228 HOSTCFLAGS=$host_cflags
3229 HOSTEXESUF=$HOSTEXESUF
3230 HOSTLDFLAGS=$host_ldflags
3231 HOSTLIBS=$host_libs
3232 TARGET_EXEC=$target_exec
3233 TARGET_PATH=$target_path
3234 SDL_LIBS=$sdl_libs
3235 SDL_CFLAGS=$sdl_cflags
3236 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3237 EXTRALIBS=$extralibs
3238 INSTALL=install
3239 LIBTARGET=${LIBTARGET}
3240 SLIBNAME=${SLIBNAME}
3241 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3242 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3243 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3244 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3245 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3246 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3247 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3248 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3249 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3250 EOF
3251
3252 get_version(){
3253 name=$1
3254 file=$source_path/$2
3255 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3256 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3257 lcname=$(tolower $name)
3258 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3259 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3260 }
3261
3262 get_version LIBSWSCALE libswscale/swscale.h
3263 get_version LIBPOSTPROC libpostproc/postprocess.h
3264 get_version LIBAVCODEC libavcodec/version.h
3265 get_version LIBAVDEVICE libavdevice/avdevice.h
3266 get_version LIBAVFORMAT libavformat/version.h
3267 get_version LIBAVUTIL libavutil/avutil.h
3268 get_version LIBAVFILTER libavfilter/avfilter.h
3269
3270 cat > $TMPH <<EOF
3271 /* Automatically generated by configure - do not modify! */
3272 #ifndef LIBAV_CONFIG_H
3273 #define LIBAV_CONFIG_H
3274 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3275 #define LIBAV_LICENSE "$(c_escape $license)"
3276 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3277 #define CC_TYPE "$cc_type"
3278 #define CC_VERSION $cc_version
3279 #define restrict $_restrict
3280 #define EXTERN_PREFIX "${extern_prefix}"
3281 #define EXTERN_ASM ${extern_prefix}
3282 #define SLIBSUF "$SLIBSUF"
3283 EOF
3284
3285 test -n "$malloc_prefix" &&
3286 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3287
3288 if enabled small || disabled optimizations; then
3289 echo "#undef av_always_inline" >> $TMPH
3290 if enabled small; then
3291 echo "#define av_always_inline inline" >> $TMPH
3292 else
3293 echo "#define av_always_inline av_unused" >> $TMPH
3294 fi
3295 fi
3296
3297 if enabled yasm; then
3298 append config_files $TMPASM
3299 printf '' >$TMPASM
3300 fi
3301
3302 print_config ARCH_ "$config_files" $ARCH_LIST
3303 print_config HAVE_ "$config_files" $HAVE_LIST
3304 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3305 $CONFIG_EXTRA \
3306 $DECODER_LIST \
3307 $ENCODER_LIST \
3308 $HWACCEL_LIST \
3309 $PARSER_LIST \
3310 $BSF_LIST \
3311 $DEMUXER_LIST \
3312 $MUXER_LIST \
3313 $FILTER_LIST \
3314 $PROTOCOL_LIST \
3315 $INDEV_LIST \
3316 $OUTDEV_LIST \
3317
3318 cat >>config.mak <<EOF
3319 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3320 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3321 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3322 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3323 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3324 EOF
3325
3326 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3327
3328 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3329 cp_if_changed $TMPH config.h
3330 touch .config
3331
3332 enabled yasm && cp_if_changed $TMPASM config.asm
3333
3334 cat > $TMPH <<EOF
3335 /* Generated by ffconf */
3336 #ifndef AVUTIL_AVCONFIG_H
3337 #define AVUTIL_AVCONFIG_H
3338 EOF
3339
3340 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3341
3342 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3343
3344 cp_if_changed $TMPH libavutil/avconfig.h
3345
3346 test -n "$WARNINGS" && printf "\n$WARNINGS"
3347
3348 # build pkg-config files
3349
3350 pkgconfig_generate(){
3351 name=$1
3352 shortname=${name#lib}${build_suffix}
3353 comment=$2
3354 version=$3
3355 libs=$4
3356 requires=$5
3357 enabled ${name#lib} || return 0
3358 mkdir -p $name
3359 cat <<EOF > $name/$name.pc
3360 prefix=$prefix
3361 exec_prefix=\${prefix}
3362 libdir=$libdir
3363 includedir=$incdir
3364
3365 Name: $name
3366 Description: $comment
3367 Version: $version
3368 Requires: $(enabled shared || echo $requires)
3369 Requires.private: $(enabled shared && echo $requires)
3370 Conflicts:
3371 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3372 Libs.private: $(enabled shared && echo $libs)
3373 Cflags: -I\${includedir}
3374 EOF
3375 cat <<EOF > $name/$name-uninstalled.pc
3376 prefix=
3377 exec_prefix=
3378 libdir=\${pcfiledir}
3379 includedir=${source_path}
3380
3381 Name: $name
3382 Description: $comment
3383 Version: $version
3384 Requires: $requires
3385 Conflicts:
3386 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3387 Cflags: -I\${includedir}
3388 EOF
3389 }
3390
3391 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3392 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3393 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3394 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3395 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3396 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3397 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"