build: call texi2pod.pl with full path instead of symlink
[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" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
955 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 pld
1097 posix_memalign
1098 round
1099 roundf
1100 sdl
1101 sdl_video_size
1102 setmode
1103 sndio_h
1104 socklen_t
1105 soundcard_h
1106 poll_h
1107 setrlimit
1108 strerror_r
1109 strtok_r
1110 struct_addrinfo
1111 struct_ipv6_mreq
1112 struct_sockaddr_in6
1113 struct_sockaddr_sa_len
1114 struct_sockaddr_storage
1115 symver
1116 symver_gnu_asm
1117 symver_asm_label
1118 sys_mman_h
1119 sys_resource_h
1120 sys_select_h
1121 sys_soundcard_h
1122 sys_videoio_h
1123 threads
1124 trunc
1125 truncf
1126 vfp_args
1127 VirtualAlloc
1128 winsock2_h
1129 xform_asm
1130 xmm_clobbers
1131 yasm
1132 "
1133
1134 # options emitted with CONFIG_ prefix but not available on command line
1135 CONFIG_EXTRA="
1136 avutil
1137 gplv3
1138 lgplv3
1139 "
1140
1141 CMDLINE_SELECT="
1142 $ARCH_EXT_LIST
1143 $CONFIG_LIST
1144 $THREADS_LIST
1145 asm
1146 cross_compile
1147 debug
1148 extra_warnings
1149 logging
1150 optimizations
1151 symver
1152 yasm
1153 "
1154
1155 PATHS_LIST='
1156 bindir
1157 datadir
1158 incdir
1159 libdir
1160 mandir
1161 prefix
1162 shlibdir
1163 '
1164
1165 CMDLINE_SET="
1166 $PATHS_LIST
1167 ar
1168 arch
1169 as
1170 build_suffix
1171 cc
1172 cpu
1173 cross_prefix
1174 dep_cc
1175 extra_version
1176 host_cc
1177 host_cflags
1178 host_ldflags
1179 host_libs
1180 host_os
1181 ld
1182 logfile
1183 malloc_prefix
1184 nm
1185 optflags
1186 pkg_config
1187 samples
1188 sysinclude
1189 sysroot
1190 target_exec
1191 target_os
1192 target_path
1193 "
1194
1195 CMDLINE_APPEND="
1196 extra_cflags
1197 "
1198
1199 # code dependency declarations
1200
1201 # architecture extensions
1202
1203 armv5te_deps="arm"
1204 armv6_deps="arm"
1205 armv6t2_deps="arm"
1206 armvfp_deps="arm"
1207 iwmmxt_deps="arm"
1208 neon_deps="arm"
1209 vfpv3_deps="armvfp"
1210
1211 mmi_deps="mips"
1212
1213 altivec_deps="ppc"
1214 ppc4xx_deps="ppc"
1215
1216 vis_deps="sparc"
1217
1218 x86_64_suggest="cmov fast_cmov"
1219 amd3dnow_deps="mmx"
1220 amd3dnowext_deps="amd3dnow"
1221 mmx_deps="x86"
1222 mmx2_deps="mmx"
1223 sse_deps="mmx"
1224 ssse3_deps="sse"
1225 avx_deps="ssse3"
1226
1227 aligned_stack_if_any="ppc x86"
1228 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1229 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1230 fast_unaligned_if_any="armv6 ppc x86"
1231
1232 need_memalign="altivec neon sse"
1233 inline_asm_deps="!tms470"
1234
1235 symver_if_any="symver_asm_label symver_gnu_asm"
1236
1237 # subsystems
1238 dct_select="rdft"
1239 mdct_select="fft"
1240 rdft_select="fft"
1241 mpegaudiodsp_select="dct"
1242
1243 # decoders / encoders / hardware accelerators
1244 aac_decoder_select="mdct sinewin"
1245 aac_encoder_select="mdct sinewin"
1246 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1247 ac3_decoder_select="mdct ac3dsp ac3_parser"
1248 ac3_encoder_select="mdct ac3dsp"
1249 ac3_fixed_encoder_select="mdct ac3dsp"
1250 alac_encoder_select="lpc"
1251 amrnb_decoder_select="lsp"
1252 amrwb_decoder_select="lsp"
1253 atrac1_decoder_select="mdct sinewin"
1254 atrac3_decoder_select="mdct"
1255 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1256 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1257 cavs_decoder_select="golomb"
1258 cook_decoder_select="mdct sinewin"
1259 cscd_decoder_suggest="zlib"
1260 dca_decoder_select="mdct"
1261 dnxhd_encoder_select="aandct"
1262 dxa_decoder_select="zlib"
1263 eac3_decoder_select="ac3_decoder"
1264 eac3_encoder_select="mdct ac3dsp"
1265 eamad_decoder_select="aandct"
1266 eatgq_decoder_select="aandct"
1267 eatqi_decoder_select="aandct"
1268 ffv1_decoder_select="golomb"
1269 flac_decoder_select="golomb"
1270 flac_encoder_select="golomb lpc"
1271 flashsv_decoder_select="zlib"
1272 flashsv_encoder_select="zlib"
1273 flv_decoder_select="h263_decoder"
1274 flv_encoder_select="h263_encoder"
1275 fraps_decoder_select="huffman"
1276 h261_encoder_select="aandct"
1277 h263_decoder_select="h263_parser"
1278 h263_encoder_select="aandct"
1279 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1280 h263i_decoder_select="h263_decoder"
1281 h263p_encoder_select="h263_encoder"
1282 h264_decoder_select="golomb h264dsp h264pred"
1283 h264_dxva2_hwaccel_deps="dxva2api_h"
1284 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1285 h264_vaapi_hwaccel_select="vaapi"
1286 h264_vdpau_decoder_select="vdpau h264_decoder"
1287 imc_decoder_select="fft mdct sinewin"
1288 jpegls_decoder_select="golomb"
1289 jpegls_encoder_select="golomb"
1290 ljpeg_encoder_select="aandct"
1291 loco_decoder_select="golomb"
1292 mjpeg_encoder_select="aandct"
1293 mlp_decoder_select="mlp_parser"
1294 mp1_decoder_select="mpegaudiodsp"
1295 mp2_decoder_select="mpegaudiodsp"
1296 mp3adu_decoder_select="mpegaudiodsp"
1297 mp3_decoder_select="mpegaudiodsp"
1298 mp3on4_decoder_select="mpegaudiodsp"
1299 mp1float_decoder_select="mpegaudiodsp"
1300 mp2float_decoder_select="mpegaudiodsp"
1301 mp3adufloat_decoder_select="mpegaudiodsp"
1302 mp3float_decoder_select="mpegaudiodsp"
1303 mp3on4float_decoder_select="mpegaudiodsp"
1304 mpeg1video_encoder_select="aandct"
1305 mpeg2video_encoder_select="aandct"
1306 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1307 mpeg4_encoder_select="h263_encoder"
1308 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1309 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1310 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1311 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1312 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1313 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1314 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1315 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1316 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1317 msmpeg4v1_decoder_select="h263_decoder"
1318 msmpeg4v1_encoder_select="h263_encoder"
1319 msmpeg4v2_decoder_select="h263_decoder"
1320 msmpeg4v2_encoder_select="h263_encoder"
1321 msmpeg4v3_decoder_select="h263_decoder"
1322 msmpeg4v3_encoder_select="h263_encoder"
1323 nellymoser_decoder_select="mdct sinewin"
1324 nellymoser_encoder_select="mdct sinewin"
1325 png_decoder_select="zlib"
1326 png_encoder_select="zlib"
1327 qcelp_decoder_select="lsp"
1328 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1329 ra_144_encoder_select="lpc"
1330 rv10_decoder_select="h263_decoder"
1331 rv10_encoder_select="h263_encoder"
1332 rv20_decoder_select="h263_decoder"
1333 rv20_encoder_select="h263_encoder"
1334 rv30_decoder_select="golomb h264pred"
1335 rv40_decoder_select="golomb h264pred"
1336 shorten_decoder_select="golomb"
1337 sipr_decoder_select="lsp"
1338 snow_decoder_select="dwt"
1339 snow_encoder_select="aandct dwt"
1340 svq1_encoder_select="aandct"
1341 svq3_decoder_select="golomb h264dsp h264pred"
1342 svq3_decoder_suggest="zlib"
1343 theora_decoder_select="vp3_decoder"
1344 tiff_decoder_suggest="zlib"
1345 tiff_encoder_suggest="zlib"
1346 truehd_decoder_select="mlp_decoder"
1347 tscc_decoder_select="zlib"
1348 twinvq_decoder_select="mdct lsp sinewin"
1349 vc1_decoder_select="h263_decoder"
1350 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1351 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1352 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1353 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1354 vorbis_decoder_select="mdct"
1355 vorbis_encoder_select="mdct"
1356 vp6_decoder_select="huffman"
1357 vp6a_decoder_select="vp6_decoder"
1358 vp6f_decoder_select="vp6_decoder"
1359 vp8_decoder_select="h264pred"
1360 wmapro_decoder_select="mdct sinewin"
1361 wmav1_decoder_select="mdct sinewin"
1362 wmav1_encoder_select="mdct sinewin"
1363 wmav2_decoder_select="mdct sinewin"
1364 wmav2_encoder_select="mdct sinewin"
1365 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1366 wmv1_decoder_select="h263_decoder"
1367 wmv1_encoder_select="h263_encoder"
1368 wmv2_decoder_select="h263_decoder"
1369 wmv2_encoder_select="h263_encoder"
1370 wmv3_decoder_select="vc1_decoder"
1371 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1372 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1373 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1374 zlib_decoder_select="zlib"
1375 zlib_encoder_select="zlib"
1376 zmbv_decoder_select="zlib"
1377 zmbv_encoder_select="zlib"
1378
1379 vaapi_deps="va_va_h"
1380 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1381
1382 # parsers
1383 h264_parser_select="golomb h264dsp h264pred"
1384
1385 # external libraries
1386 libdirac_decoder_deps="libdirac !libschroedinger"
1387 libdirac_encoder_deps="libdirac"
1388 libfaac_encoder_deps="libfaac"
1389 libgsm_decoder_deps="libgsm"
1390 libgsm_encoder_deps="libgsm"
1391 libgsm_ms_decoder_deps="libgsm"
1392 libgsm_ms_encoder_deps="libgsm"
1393 libmp3lame_encoder_deps="libmp3lame"
1394 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1395 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1396 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1397 libopenjpeg_decoder_deps="libopenjpeg"
1398 libschroedinger_decoder_deps="libschroedinger"
1399 libschroedinger_encoder_deps="libschroedinger"
1400 libspeex_decoder_deps="libspeex"
1401 libtheora_encoder_deps="libtheora"
1402 libvo_aacenc_encoder_deps="libvo_aacenc"
1403 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1404 libvorbis_encoder_deps="libvorbis"
1405 libvpx_decoder_deps="libvpx"
1406 libvpx_encoder_deps="libvpx"
1407 libx264_encoder_deps="libx264"
1408 libxavs_encoder_deps="libxavs"
1409 libxvid_encoder_deps="libxvid"
1410
1411 # demuxers / muxers
1412 ac3_demuxer_select="ac3_parser"
1413 asf_stream_muxer_select="asf_muxer"
1414 avisynth_demuxer_deps="avisynth"
1415 dirac_demuxer_select="dirac_parser"
1416 eac3_demuxer_select="ac3_parser"
1417 flac_demuxer_select="flac_parser"
1418 ipod_muxer_select="mov_muxer"
1419 libnut_demuxer_deps="libnut"
1420 libnut_muxer_deps="libnut"
1421 matroska_audio_muxer_select="matroska_muxer"
1422 matroska_demuxer_suggest="zlib bzlib"
1423 mov_demuxer_suggest="zlib"
1424 mp3_demuxer_select="mpegaudio_parser"
1425 mp4_muxer_select="mov_muxer"
1426 mpegtsraw_demuxer_select="mpegts_demuxer"
1427 mxf_d10_muxer_select="mxf_muxer"
1428 ogg_demuxer_select="golomb"
1429 psp_muxer_select="mov_muxer"
1430 rtp_demuxer_select="sdp_demuxer"
1431 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1432 rtsp_demuxer_select="http_protocol rtpdec"
1433 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1434 sap_demuxer_select="sdp_demuxer"
1435 sap_muxer_select="rtp_muxer rtp_protocol"
1436 sdp_demuxer_select="rtpdec"
1437 spdif_muxer_select="aac_parser"
1438 tg2_muxer_select="mov_muxer"
1439 tgp_muxer_select="mov_muxer"
1440 w64_demuxer_deps="wav_demuxer"
1441
1442 # indevs / outdevs
1443 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1444 alsa_outdev_deps="alsa_asoundlib_h"
1445 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1446 dv1394_indev_deps="dv1394 dv_demuxer"
1447 fbdev_indev_deps="linux_fb_h"
1448 jack_indev_deps="jack_jack_h"
1449 libdc1394_indev_deps="libdc1394"
1450 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1451 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1452 sndio_indev_deps="sndio_h"
1453 sndio_outdev_deps="sndio_h"
1454 v4l_indev_deps="linux_videodev_h"
1455 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1456 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1457 vfwcap_indev_extralibs="-lavicap32"
1458 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1459 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1460
1461 # protocols
1462 gopher_protocol_deps="network"
1463 http_protocol_deps="network"
1464 http_protocol_select="tcp_protocol"
1465 mmsh_protocol_select="http_protocol"
1466 mmst_protocol_deps="network"
1467 rtmp_protocol_select="tcp_protocol"
1468 rtp_protocol_select="udp_protocol"
1469 tcp_protocol_deps="network"
1470 udp_protocol_deps="network"
1471
1472 # filters
1473 blackframe_filter_deps="gpl"
1474 cropdetect_filter_deps="gpl"
1475 drawtext_filter_deps="libfreetype"
1476 frei0r_filter_deps="frei0r dlopen strtok_r"
1477 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1478 hqdn3d_filter_deps="gpl"
1479 ocv_filter_deps="libopencv"
1480 scale_filter_deps="swscale"
1481 yadif_filter_deps="gpl"
1482
1483 # libraries
1484 avdevice_deps="avcodec avformat"
1485 avformat_deps="avcodec"
1486 postproc_deps="gpl"
1487
1488 # programs
1489 ffmpeg_deps="avcodec avformat swscale"
1490 ffmpeg_select="buffer_filter"
1491 ffplay_deps="avcodec avformat swscale sdl"
1492 ffplay_select="rdft"
1493 ffprobe_deps="avcodec avformat"
1494 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1495 ffserver_extralibs='$ldl'
1496
1497 doc_deps="texi2html"
1498
1499 # tests
1500
1501 test_deps(){
1502 suf1=$1
1503 suf2=$2
1504 shift 2
1505 for v; do
1506 dep=${v%=*}
1507 tests=${v#*=}
1508 for name in ${tests}; do
1509 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1510 done
1511 done
1512 }
1513
1514 set_ne_test_deps(){
1515 eval ${1}_be_test_deps="bigendian"
1516 eval ${1}_le_test_deps="!bigendian"
1517 }
1518
1519 test_deps _encoder _decoder \
1520 adpcm_g726=g726 \
1521 adpcm_ima_qt \
1522 adpcm_ima_wav \
1523 adpcm_ms \
1524 adpcm_swf \
1525 adpcm_yamaha=adpcm_yam \
1526 alac \
1527 asv1 \
1528 asv2 \
1529 bmp \
1530 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1531 dvvideo="dv dv50" \
1532 ffv1 \
1533 flac \
1534 flashsv \
1535 flv \
1536 gif \
1537 h261 \
1538 h263="h263 h263p" \
1539 huffyuv \
1540 jpegls \
1541 mjpeg="jpg mjpeg ljpeg" \
1542 mp2 \
1543 mpeg1video="mpeg mpeg1b" \
1544 mpeg2video="mpeg2 mpeg2thread" \
1545 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1546 msmpeg4v3=msmpeg4 \
1547 msmpeg4v2 \
1548 pbm=pbmpipe \
1549 pcx \
1550 pgm="pgm pgmpipe" \
1551 png \
1552 ppm="ppm ppmpipe" \
1553 rawvideo="rgb yuv" \
1554 roq \
1555 rv10 \
1556 rv20 \
1557 sgi \
1558 snow="snow snowll" \
1559 svq1 \
1560 targa=tga \
1561 tiff \
1562 wmav1 \
1563 wmav2 \
1564 wmv1 \
1565 wmv2 \
1566
1567 test_deps _muxer _demuxer \
1568 aiff \
1569 pcm_alaw=alaw \
1570 asf \
1571 au \
1572 avi \
1573 dv=dv_fmt \
1574 ffm \
1575 flv=flv_fmt \
1576 gxf \
1577 matroska=mkv \
1578 mmf \
1579 mov \
1580 pcm_mulaw=mulaw \
1581 mxf \
1582 nut \
1583 ogg \
1584 rawvideo=pixfmt \
1585 rm \
1586 swf \
1587 mpegts=ts \
1588 voc \
1589 wav \
1590 yuv4mpegpipe=yuv4mpeg \
1591
1592 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1593 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1594
1595 set_ne_test_deps pixdesc
1596 set_ne_test_deps pixfmts_copy
1597 set_ne_test_deps pixfmts_crop
1598 set_ne_test_deps pixfmts_hflip
1599 set_ne_test_deps pixfmts_null
1600 set_ne_test_deps pixfmts_pad
1601 set_ne_test_deps pixfmts_scale
1602 set_ne_test_deps pixfmts_vflip
1603
1604 # default parameters
1605
1606 logfile="config.log"
1607
1608 # installation paths
1609 prefix_default="/usr/local"
1610 bindir_default='${prefix}/bin'
1611 datadir_default='${prefix}/share/ffmpeg'
1612 incdir_default='${prefix}/include'
1613 libdir_default='${prefix}/lib'
1614 mandir_default='${prefix}/share/man'
1615 shlibdir_default="$libdir_default"
1616
1617 # toolchain
1618 ar_default="ar"
1619 cc_default="gcc"
1620 cc_version=\"unknown\"
1621 host_cc_default="gcc"
1622 ln_s="ln -sf"
1623 nm_default="nm"
1624 objformat="elf"
1625 pkg_config_default=pkg-config
1626 ranlib="ranlib"
1627 yasmexe="yasm"
1628 nogas=":"
1629
1630 nm_opts='-g'
1631
1632 # machine
1633 arch_default=$(uname -m)
1634 cpu="generic"
1635
1636 # OS
1637 target_os_default=$(tolower $(uname -s))
1638 host_os=$target_os_default
1639
1640 # configurable options
1641 enable avcodec
1642 enable avdevice
1643 enable avfilter
1644 enable avformat
1645 enable avutil
1646 enable asm
1647 enable debug
1648 enable doc
1649 enable fastdiv
1650 enable ffmpeg
1651 enable ffplay
1652 enable ffprobe
1653 enable ffserver
1654 enable network
1655 enable optimizations
1656 enable postproc
1657 enable protocols
1658 enable static
1659 enable swscale
1660 enable swscale_alpha
1661
1662 # build settings
1663 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1664 FFSERVERLDFLAGS=-Wl,-E
1665 LIBPREF="lib"
1666 LIBSUF=".a"
1667 FULLNAME='$(NAME)$(BUILDSUF)'
1668 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1669 SLIBPREF="lib"
1670 SLIBSUF=".so"
1671 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1672 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1673 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1674 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1675
1676 AS_O='-o $@'
1677 CC_O='-o $@'
1678
1679 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1680 host_libs='-lm'
1681
1682 target_path='$(CURDIR)'
1683
1684 # since the object filename is not given with the -MM flag, the compiler
1685 # is only able to print the basename, and we must add the path ourselves
1686 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1687 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1688
1689 # find source path
1690 if test -f configure; then
1691 source_path=.
1692 disable source_path_used
1693 else
1694 source_path=$(cd $(dirname "$0"); pwd)
1695 enable source_path_used
1696 echo "$source_path" | grep -q '[[:blank:]]' &&
1697 die "Out of tree builds are impossible with whitespace in source path."
1698 test -e "$source_path/config.h" &&
1699 die "Out of tree builds are impossible with config.h in source dir."
1700 fi
1701
1702 for v in "$@"; do
1703 r=${v#*=}
1704 l=${v%"$r"}
1705 r=$(sh_quote "$r")
1706 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1707 done
1708
1709 find_things(){
1710 thing=$1
1711 pattern=$2
1712 file=$source_path/$3
1713 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1714 }
1715
1716 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1717 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1718 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1719 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1720 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1721 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1722 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1723 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1724 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1725 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1726 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1727
1728 find_tests(){
1729 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1730 }
1731
1732 ACODEC_TESTS=$(find_tests acodec)
1733 VCODEC_TESTS=$(find_tests vsynth1)
1734 LAVF_TESTS=$(find_tests lavf)
1735 LAVFI_TESTS=$(find_tests lavfi)
1736 SEEK_TESTS=$(find_tests seek seek_)
1737
1738 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1739
1740 for n in $COMPONENT_LIST; do
1741 v=$(toupper ${n%s})_LIST
1742 eval enable \$$v
1743 eval ${n}_if_any="\$$v"
1744 done
1745
1746 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1747
1748 die_unknown(){
1749 echo "Unknown option \"$1\"."
1750 echo "See $0 --help for available options."
1751 exit 1
1752 }
1753
1754 show_list() {
1755 suffix=_$1
1756 shift
1757 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1758 exit 0
1759 }
1760
1761 for opt do
1762 optval="${opt#*=}"
1763 case "$opt" in
1764 --extra-ldflags=*) add_ldflags $optval
1765 ;;
1766 --extra-libs=*) add_extralibs $optval
1767 ;;
1768 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1769 ;;
1770 --enable-debug=*) debuglevel="$optval"
1771 ;;
1772 --disable-everything)
1773 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1774 ;;
1775 --enable-*=*|--disable-*=*)
1776 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1777 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1778 eval list=\$$(toupper $thing)_LIST
1779 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1780 $action $(filter "$name" $list)
1781 ;;
1782 --enable-?*|--disable-?*)
1783 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1784 if is_in $option $COMPONENT_LIST; then
1785 test $action = disable && action=unset
1786 eval $action \$$(toupper ${option%s})_LIST
1787 elif is_in $option $CMDLINE_SELECT; then
1788 $action $option
1789 else
1790 die_unknown $opt
1791 fi
1792 ;;
1793 --list-*)
1794 NAME="${opt#--list-}"
1795 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1796 NAME=${NAME%s}
1797 eval show_list $NAME \$$(toupper $NAME)_LIST
1798 ;;
1799 --help|-h) show_help
1800 ;;
1801 *)
1802 optname="${opt%%=*}"
1803 optname="${optname#--}"
1804 optname=$(echo "$optname" | sed 's/-/_/g')
1805 if is_in $optname $CMDLINE_SET; then
1806 eval $optname='$optval'
1807 elif is_in $optname $CMDLINE_APPEND; then
1808 append $optname "$optval"
1809 else
1810 die_unknown $opt
1811 fi
1812 ;;
1813 esac
1814 done
1815
1816 disabled logging && logfile=/dev/null
1817
1818 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1819 set >> $logfile
1820
1821 test -n "$cross_prefix" && enable cross_compile
1822
1823 if enabled cross_compile; then
1824 test -n "$arch" && test -n "$target_os" ||
1825 die "Must specify target arch and OS when cross-compiling"
1826 fi
1827
1828 set_default arch target_os
1829
1830 ar_default="${cross_prefix}${ar_default}"
1831 cc_default="${cross_prefix}${cc_default}"
1832 nm_default="${cross_prefix}${nm_default}"
1833 pkg_config_default="${cross_prefix}${pkg_config_default}"
1834 ranlib="${cross_prefix}${ranlib}"
1835
1836 sysinclude_default="${sysroot}/usr/include"
1837
1838 set_default cc nm pkg_config sysinclude
1839 enabled cross_compile || host_cc_default=$cc
1840 set_default host_cc
1841
1842 if ! $pkg_config --version >/dev/null 2>&1; then
1843 warn "$pkg_config not found, library detection may fail."
1844 pkg_config=false
1845 fi
1846
1847 exesuf() {
1848 case $1 in
1849 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1850 esac
1851 }
1852
1853 EXESUF=$(exesuf $target_os)
1854 HOSTEXESUF=$(exesuf $host_os)
1855
1856 # set temporary file name
1857 : ${TMPDIR:=$TEMPDIR}
1858 : ${TMPDIR:=$TMP}
1859 : ${TMPDIR:=/tmp}
1860
1861 if ! check_cmd mktemp -u XXXXXX; then
1862 # simple replacement for missing mktemp
1863 # NOT SAFE FOR GENERAL USE
1864 mktemp(){
1865 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1866 }
1867 fi
1868
1869 tmpfile(){
1870 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1871 (set -C; exec > $tmp) 2>/dev/null ||
1872 die "Unable to create temporary file in $TMPDIR."
1873 append TMPFILES $tmp
1874 eval $1=$tmp
1875 }
1876
1877 trap 'rm -f -- $TMPFILES' EXIT
1878
1879 tmpfile TMPC .c
1880 tmpfile TMPE $EXESUF
1881 tmpfile TMPH .h
1882 tmpfile TMPO .o
1883 tmpfile TMPS .S
1884 tmpfile TMPV .ver
1885 tmpfile TMPSH .sh
1886 tmpfile TMPASM .asm
1887
1888 unset -f mktemp
1889
1890 chmod +x $TMPE
1891
1892 # make sure we can execute files in $TMPDIR
1893 cat > $TMPSH 2>> $logfile <<EOF
1894 #! /bin/sh
1895 EOF
1896 chmod +x $TMPSH >> $logfile 2>&1
1897 if ! $TMPSH >> $logfile 2>&1; then
1898 cat <<EOF
1899 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1900 variable to another directory and make sure that it is not mounted noexec.
1901 EOF
1902 die "Sanity test failed."
1903 fi
1904
1905 filter_cflags=echo
1906 filter_cppflags=echo
1907 filter_asflags=echo
1908
1909 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1910 cc_type=llvm_gcc
1911 cc_version=__VERSION__
1912 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1913 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1914 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1915 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1916 speed_cflags='-O3'
1917 size_cflags='-Os'
1918 elif $cc -v 2>&1 | grep -qi ^gcc; then
1919 cc_type=gcc
1920 cc_version=__VERSION__
1921 gcc_version=$($cc --version | head -n1)
1922 gcc_basever=$($cc -dumpversion)
1923 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1924 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1925 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1926 if ! $cc -dumpversion | grep -q '^2\.'; then
1927 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1928 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1929 fi
1930 speed_cflags='-O3'
1931 size_cflags='-Os'
1932 elif $cc --version 2>/dev/null | grep -q Intel; then
1933 cc_type=icc
1934 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1935 cc_ident=$($cc --version | head -n1)
1936 icc_version=$($cc -dumpversion)
1937 CC_DEPFLAGS='-MMD'
1938 AS_DEPFLAGS='-MMD'
1939 speed_cflags='-O3'
1940 size_cflags='-Os'
1941 noopt_cflags='-O1'
1942 elif $cc -v 2>&1 | grep -q xlc; then
1943 cc_type=xlc
1944 cc_version="AV_STRINGIFY(__IBMC__)"
1945 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1946 speed_cflags='-O5'
1947 size_cflags='-O5 -qcompact'
1948 elif $cc -V 2>/dev/null | grep -q Compaq; then
1949 cc_type=ccc
1950 cc_version="AV_STRINGIFY(__DECC_VER)"
1951 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1952 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1953 debuglevel=3
1954 add_ldflags -Wl,-z,now # calls to libots crash without this
1955 speed_cflags='-fast'
1956 size_cflags='-O1'
1957 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1958 test -d "$sysroot" || die "No valid sysroot specified."
1959 cc_type=armcc
1960 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1961 cc_ident=$($cc --vsn | head -n1)
1962 armcc_conf="$PWD/armcc.conf"
1963 $cc --arm_linux_configure \
1964 --arm_linux_config_file="$armcc_conf" \
1965 --configure_sysroot="$sysroot" \
1966 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1967 die "Error creating armcc configuration file."
1968 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1969 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1970 as_default="${cross_prefix}gcc"
1971 CC_DEPFLAGS='-MMD'
1972 AS_DEPFLAGS='-MMD'
1973 speed_cflags='-O3'
1974 size_cflags='-Os'
1975 filter_asflags="filter_out -W${armcc_opt}*"
1976 elif $cc -version 2>/dev/null | grep -q TMS470; then
1977 cc_type=tms470
1978 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1979 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1980 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1981 CC_O='-fr=$(@D)'
1982 as_default="${cross_prefix}gcc"
1983 ld_default="${cross_prefix}gcc"
1984 TMPO=$(basename $TMPC .c).o
1985 append TMPFILES $TMPO
1986 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1987 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1988 AS_DEPFLAGS='-MMD'
1989 speed_cflags='-O3 -mf=5'
1990 size_cflags='-O3 -mf=2'
1991 filter_cflags=tms470_flags
1992 tms470_flags(){
1993 for flag; do
1994 case $flag in
1995 -march=*|-mcpu=*)
1996 case "${flag#*=}" in
1997 armv7-a|cortex-a*) echo -mv=7a8 ;;
1998 armv7-r|cortex-r*) echo -mv=7r4 ;;
1999 armv7-m|cortex-m*) echo -mv=7m3 ;;
2000 armv6*|arm11*) echo -mv=6 ;;
2001 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2002 echo -mv=5e ;;
2003 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2004 esac
2005 ;;
2006 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2007 -mfpu=vfp) echo --float_support=vfpv2 ;;
2008 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2009 -msoft-float) echo --float_support=vfplib ;;
2010 -O[0-3]|-mf=*) echo $flag ;;
2011 -g) echo -g -mn ;;
2012 -pds=*) echo $flag ;;
2013 esac
2014 done
2015 }
2016 elif $cc -v 2>&1 | grep -q clang; then
2017 cc_type=clang
2018 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2019 cc_version=__clang_version__ || cc_version=__VERSION__
2020 cc_ident=$($cc --version | head -n1)
2021 CC_DEPFLAGS='-MMD'
2022 AS_DEPFLAGS='-MMD'
2023 speed_cflags='-O3'
2024 size_cflags='-Os'
2025 elif $cc -V 2>&1 | grep -q Sun; then
2026 cc_type=suncc
2027 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2028 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2029 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2030 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2031 speed_cflags='-O5'
2032 size_cflags='-O5 -xspace'
2033 filter_cflags=suncc_flags
2034 suncc_flags(){
2035 for flag; do
2036 case $flag in
2037 -march=*|-mcpu=*)
2038 case "${flag#*=}" in
2039 native) echo -xtarget=native ;;
2040 v9|niagara) echo -xarch=sparc ;;
2041 ultrasparc) echo -xarch=sparcvis ;;
2042 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2043 i586|pentium) echo -xchip=pentium ;;
2044 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2045 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2046 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2047 pentium4*) echo -xtarget=pentium4 ;;
2048 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2049 *-sse3) echo -xarch=sse3 ;;
2050 core2) echo -xarch=ssse3 -xchip=core2 ;;
2051 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2052 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2053 k8|opteron|athlon64|athlon-fx)
2054 echo -xarch=sse2a ;;
2055 athlon*) echo -xarch=pentium_proa ;;
2056 esac
2057 ;;
2058 -std=c99) echo -xc99 ;;
2059 -fomit-frame-pointer) echo -xregs=frameptr ;;
2060 -fPIC) echo -KPIC -xcode=pic32 ;;
2061 -W*,*) echo $flag ;;
2062 -f*-*|-W*) ;;
2063 *) echo $flag ;;
2064 esac
2065 done
2066 }
2067 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2068 cc_type=pathscale
2069 cc_version=__PATHSCALE__
2070 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2071 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2072 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073 speed_cflags='-O2'
2074 size_cflags='-Os'
2075 filter_cflags='filter_out -Wdisabled-optimization'
2076 elif $cc -v 2>&1 | grep -q Open64; then
2077 cc_type=open64
2078 cc_version=__OPEN64__
2079 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2080 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2081 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2082 speed_cflags='-O2'
2083 size_cflags='-Os'
2084 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2085 fi
2086
2087 test -n "$cc_type" && enable $cc_type ||
2088 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2089
2090 : ${as_default:=$cc}
2091 : ${dep_cc_default:=$cc}
2092 : ${ld_default:=$cc}
2093 set_default ar as dep_cc ld
2094
2095 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2096 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2097
2098 add_cflags $extra_cflags
2099 add_asflags $extra_cflags
2100
2101 if test -n "$sysroot"; then
2102 case "$cc_type" in
2103 gcc|llvm_gcc|clang)
2104 add_cppflags --sysroot="$sysroot"
2105 add_ldflags --sysroot="$sysroot"
2106 ;;
2107 tms470)
2108 add_cppflags -I"$sysinclude"
2109 add_ldflags --sysroot="$sysroot"
2110 ;;
2111 esac
2112 fi
2113
2114 if test "$cpu" = host; then
2115 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2116
2117 case "$cc_type" in
2118 gcc|llvm_gcc)
2119 check_native(){
2120 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2121 sed -n "/$1=/{
2122 s/.*$1=\\([^ ]*\\).*/\\1/
2123 p
2124 q
2125 }" $TMPE
2126 }
2127 cpu=$(check_native -march || check_native -mcpu)
2128 ;;
2129 esac
2130
2131 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2132 fi
2133
2134 # Deal with common $arch aliases
2135 case "$arch" in
2136 arm*)
2137 arch="arm"
2138 ;;
2139 mips|mipsel|IP*)
2140 arch="mips"
2141 ;;
2142 mips64*)
2143 arch="mips"
2144 subarch="mips64"
2145 ;;
2146 parisc|hppa)
2147 arch="parisc"
2148 ;;
2149 parisc64|hppa64)
2150 arch="parisc"
2151 subarch="parisc64"
2152 ;;
2153 "Power Macintosh"|ppc|powerpc)
2154 arch="ppc"
2155 ;;
2156 ppc64|powerpc64)
2157 arch="ppc"
2158 subarch="ppc64"
2159 ;;
2160 s390|s390x)
2161 arch="s390"
2162 ;;
2163 sh4|sh)
2164 arch="sh4"
2165 ;;
2166 sun4u|sparc64)
2167 arch="sparc"
2168 subarch="sparc64"
2169 ;;
2170 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2171 arch="x86"
2172 ;;
2173 esac
2174
2175 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2176 enable $arch
2177
2178 # Add processor-specific flags
2179 if test "$cpu" = generic; then
2180 : do nothing
2181 elif enabled ppc; then
2182
2183 case $(tolower $cpu) in
2184 601|ppc601|powerpc601)
2185 cpuflags="-mcpu=601"
2186 disable altivec
2187 ;;
2188 603*|ppc603*|powerpc603*)
2189 cpuflags="-mcpu=603"
2190 disable altivec
2191 ;;
2192 604*|ppc604*|powerpc604*)
2193 cpuflags="-mcpu=604"
2194 disable altivec
2195 ;;
2196 g3|75*|ppc75*|powerpc75*)
2197 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2198 disable altivec
2199 ;;
2200 g4|745*|ppc745*|powerpc745*)
2201 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2202 ;;
2203 74*|ppc74*|powerpc74*)
2204 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2205 ;;
2206 g5|970|ppc970|powerpc970|power4*)
2207 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2208 ;;
2209 cell)
2210 cpuflags="-mcpu=cell"
2211 enable ldbrx
2212 ;;
2213 e500v2)
2214 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2215 disable altivec
2216 ;;
2217 e500)
2218 cpuflags="-mcpu=8540 -mhard-float"
2219 disable altivec
2220 ;;
2221 esac
2222
2223 elif enabled x86; then
2224
2225 case $cpu in
2226 i[345]86|pentium)
2227 cpuflags="-march=$cpu"
2228 disable mmx
2229 ;;
2230 # targets that do NOT support conditional mov (cmov)
2231 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2232 cpuflags="-march=$cpu"
2233 disable cmov
2234 ;;
2235 # targets that do support conditional mov (cmov)
2236 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2237 cpuflags="-march=$cpu"
2238 enable cmov
2239 enable fast_cmov
2240 ;;
2241 # targets that do support conditional mov but on which it's slow
2242 pentium4|pentium4m|prescott|nocona)
2243 cpuflags="-march=$cpu"
2244 enable cmov
2245 disable fast_cmov
2246 ;;
2247 esac
2248
2249 elif enabled sparc; then
2250
2251 case $cpu in
2252 niagara)
2253 cpuflags="-mcpu=$cpu"
2254 disable vis
2255 ;;
2256 sparc64)
2257 cpuflags="-mcpu=v9"
2258 ;;
2259 esac
2260
2261 elif enabled arm; then
2262
2263 case $cpu in
2264 armv*)
2265 cpuflags="-march=$cpu"
2266 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2267 ;;
2268 *)
2269 cpuflags="-mcpu=$cpu"
2270 case $cpu in
2271 cortex-a*) subarch=armv7a ;;
2272 cortex-r*) subarch=armv7r ;;
2273 cortex-m*) enable thumb; subarch=armv7m ;;
2274 arm11*) subarch=armv6 ;;
2275 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2276 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2277 esac
2278 ;;
2279 esac
2280
2281 elif enabled alpha; then
2282
2283 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2284
2285 elif enabled bfin; then
2286
2287 cpuflags="-mcpu=$cpu"
2288
2289 elif enabled mips; then
2290
2291 cpuflags="-march=$cpu"
2292
2293 elif enabled avr32; then
2294
2295 case $cpu in
2296 ap7[02]0[0-2])
2297 subarch="avr32_ap"
2298 cpuflags="-mpart=$cpu"
2299 ;;
2300 ap)
2301 subarch="avr32_ap"
2302 cpuflags="-march=$cpu"
2303 ;;
2304 uc3[ab]*)
2305 subarch="avr32_uc"
2306 cpuflags="-mcpu=$cpu"
2307 ;;
2308 uc)
2309 subarch="avr32_uc"
2310 cpuflags="-march=$cpu"
2311 ;;
2312 esac
2313
2314 fi
2315
2316 add_cflags $cpuflags
2317 add_asflags $cpuflags
2318
2319 # compiler sanity check
2320 check_exec <<EOF
2321 int main(void){ return 0; }
2322 EOF
2323 if test "$?" != 0; then
2324 echo "$cc is unable to create an executable file."
2325 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2326 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2327 echo "Only do this if you know what cross compiling means."
2328 fi
2329 die "C compiler test failed."
2330 fi
2331
2332 add_cppflags -D_ISOC99_SOURCE
2333 check_cflags -std=c99
2334 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2335 #include <stdlib.h>
2336 EOF
2337 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2338 #include <stdlib.h>
2339 EOF
2340
2341 check_host_cflags -std=c99
2342 check_host_cflags -Wall
2343
2344 case "$arch" in
2345 alpha|ia64|mips|parisc|sparc)
2346 spic=$shared
2347 ;;
2348 x86)
2349 subarch="x86_32"
2350 check_cc <<EOF && subarch="x86_64"
2351 int test[(int)sizeof(char*) - 7];
2352 EOF
2353 if test "$subarch" = "x86_64"; then
2354 spic=$shared
2355 fi
2356 ;;
2357 esac
2358
2359 enable $subarch
2360 enabled spic && enable pic
2361
2362 # OS specific
2363 case $target_os in
2364 haiku)
2365 prefix_default="/boot/common"
2366 network_extralibs="-lnetwork"
2367 host_libs=
2368 ;;
2369 sunos)
2370 FFSERVERLDFLAGS=""
2371 SHFLAGS='-shared -Wl,-h,$$(@F)'
2372 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2373 network_extralibs="-lsocket -lnsl"
2374 add_cppflags -D__EXTENSIONS__
2375 nm_opts='-P -g'
2376 ;;
2377 netbsd)
2378 disable symver
2379 oss_indev_extralibs="-lossaudio"
2380 oss_outdev_extralibs="-lossaudio"
2381 ;;
2382 openbsd)
2383 enable malloc_aligned
2384 # On OpenBSD 4.5. the compiler does not use PIC unless
2385 # explicitly using -fPIC. Libav builds fine without PIC,
2386 # however the generated executable will not do anything
2387 # (simply quits with exit-code 1, no crash, no output).
2388 # Thus explicitly enable PIC here.
2389 enable pic
2390 disable symver
2391 SHFLAGS='-shared'
2392 oss_indev_extralibs="-lossaudio"
2393 oss_outdev_extralibs="-lossaudio"
2394 ;;
2395 dragonfly)
2396 enable malloc_aligned
2397 disable symver
2398 ;;
2399 freebsd)
2400 enable malloc_aligned
2401 ;;
2402 bsd/os)
2403 add_extralibs -lpoll -lgnugetopt
2404 ;;
2405 darwin)
2406 enable malloc_aligned
2407 gas="gas-preprocessor.pl $cc"
2408 enabled ppc && add_asflags -force_cpusubtype_ALL
2409 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2410 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2411 add_ldflags -Wl,-dynamic,-search_paths_first
2412 SLIBSUF=".dylib"
2413 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2414 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2415 FFSERVERLDFLAGS=-Wl,-bind_at_load
2416 objformat="macho"
2417 enabled x86_64 && objformat="macho64"
2418 enabled_any pic shared ||
2419 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2420 ;;
2421 mingw32*)
2422 if test $target_os = "mingw32ce"; then
2423 disable network
2424 else
2425 target_os=mingw32
2426 fi
2427 LIBTARGET=i386
2428 if enabled x86_64; then
2429 enable malloc_aligned
2430 LIBTARGET="i386:x86-64"
2431 elif enabled arm; then
2432 LIBTARGET=arm-wince
2433 fi
2434 shlibdir_default="$bindir_default"
2435 SLIBPREF=""
2436 SLIBSUF=".dll"
2437 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2438 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2439 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2440 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2441 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2442 install -d "$(LIBDIR)"; \
2443 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2444 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2445 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'
2446 objformat="win32"
2447 dlltool="${cross_prefix}dlltool"
2448 enable dos_paths
2449 check_cflags -fno-common
2450 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2451 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2452 die "ERROR: MinGW runtime version must be >= 3.15."
2453 add_cppflags -U__STRICT_ANSI__
2454 ;;
2455 cygwin*)
2456 target_os=cygwin
2457 shlibdir_default="$bindir_default"
2458 SLIBPREF="cyg"
2459 SLIBSUF=".dll"
2460 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2461 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2462 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2463 objformat="win32"
2464 enable dos_paths
2465 check_cflags -fno-common
2466 add_cppflags -U__STRICT_ANSI__
2467 ;;
2468 *-dos|freedos|opendos)
2469 network_extralibs="-lsocket"
2470 objformat="coff"
2471 enable dos_paths
2472 add_cppflags -U__STRICT_ANSI__
2473 ;;
2474 linux)
2475 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2476 enable dv1394
2477 ;;
2478 irix*)
2479 target_os=irix
2480 ranlib="echo ignoring ranlib"
2481 ;;
2482 os/2*)
2483 ln_s="cp -f"
2484 objformat="aout"
2485 add_cppflags -D_GNU_SOURCE
2486 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2487 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2488 FFSERVERLDFLAGS=""
2489 LIBSUF="_s.a"
2490 SLIBPREF=""
2491 SLIBSUF=".dll"
2492 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2493 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2494 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2495 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2496 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2497 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2498 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2499 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2500 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2501 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2502 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2503 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2504 enable dos_paths
2505 ;;
2506 gnu/kfreebsd)
2507 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2508 ;;
2509 gnu)
2510 ;;
2511 qnx)
2512 add_cppflags -D_QNX_SOURCE
2513 network_extralibs="-lsocket"
2514 ;;
2515 symbian)
2516 SLIBSUF=".dll"
2517 enable dos_paths
2518 add_cflags --include=$sysinclude/gcce/gcce.h
2519 ;;
2520 none)
2521 ;;
2522 *)
2523 die "Unknown OS '$target_os'."
2524 ;;
2525 esac
2526
2527 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2528
2529 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2530
2531 set_default $PATHS_LIST
2532
2533 # we need to build at least one lib type
2534 if ! enabled_any static shared; then
2535 cat <<EOF
2536 At least one library type must be built.
2537 Specify --enable-static to build the static libraries or --enable-shared to
2538 build the shared libraries as well. To only build the shared libraries specify
2539 --disable-static in addition to --enable-shared.
2540 EOF
2541 exit 1;
2542 fi
2543
2544 disabled static && LIBNAME=""
2545
2546 die_license_disabled() {
2547 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2548 }
2549
2550 die_license_disabled gpl libx264
2551 die_license_disabled gpl libxavs
2552 die_license_disabled gpl libxvid
2553 die_license_disabled gpl x11grab
2554
2555 die_license_disabled nonfree libfaac
2556
2557 die_license_disabled version3 libopencore_amrnb
2558 die_license_disabled version3 libopencore_amrwb
2559 die_license_disabled version3 libvo_aacenc
2560 die_license_disabled version3 libvo_amrwbenc
2561
2562 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2563
2564 disabled optimizations || check_cflags -fomit-frame-pointer
2565
2566 enable_pic() {
2567 enable pic
2568 add_cppflags -DPIC
2569 add_cflags -fPIC
2570 add_asflags -fPIC
2571 }
2572
2573 enabled pic && enable_pic
2574
2575 check_cc <<EOF || die "Symbol mangling check failed."
2576 int ff_extern;
2577 EOF
2578 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2579 extern_prefix=${sym%%ff_extern*}
2580
2581 check_cc <<EOF && enable inline_asm
2582 void foo(void) { __asm__ volatile ("" ::); }
2583 EOF
2584
2585 _restrict=
2586 for restrict_keyword in restrict __restrict__ __restrict; do
2587 check_cc <<EOF && _restrict=$restrict_keyword && break
2588 void foo(char * $restrict_keyword p);
2589 EOF
2590 done
2591
2592 check_cc <<EOF && enable attribute_packed
2593 struct { int x; } __attribute__((packed)) x;
2594 EOF
2595
2596 check_cc <<EOF && enable attribute_may_alias
2597 union { int x; } __attribute__((may_alias)) x;
2598 EOF
2599
2600 check_cc <<EOF || die "endian test failed"
2601 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2602 EOF
2603 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2604
2605 if enabled alpha; then
2606
2607 check_cflags -mieee
2608
2609 elif enabled arm; then
2610
2611 enabled thumb && check_cflags -mthumb || check_cflags -marm
2612 nogas=die
2613
2614 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2615 enable vfp_args
2616 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2617 case "${cross_prefix:-$cc}" in
2618 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2619 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2620 __asm__ (".eabi_attribute 28, 1");
2621 int main(void) { return 0; }
2622 EOF
2623 esac
2624 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2625 fi
2626
2627 # We have to check if pld is a nop and disable it.
2628 check_asm pld '"pld [r0]"'
2629
2630 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2631 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2632 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2633 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2634 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2635 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2636 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2637
2638 enabled_all armv6t2 shared !pic && enable_pic
2639
2640 elif enabled mips; then
2641
2642 check_asm loongson '"dmult.g $1, $2, $3"'
2643 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2644
2645 elif enabled ppc; then
2646
2647 enable local_aligned_8 local_aligned_16
2648
2649 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2650 check_asm ibm_asm '"add 0, 0, 0"'
2651 check_asm ppc4xx '"maclhw r10, r11, r12"'
2652 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2653
2654 # AltiVec flags: The FSF version of GCC differs from the Apple version
2655 if enabled altivec; then
2656 nogas=warn
2657 check_cflags -maltivec -mabi=altivec &&
2658 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2659 check_cflags -faltivec
2660
2661 # check if our compiler supports Motorola AltiVec C API
2662 check_cc <<EOF || disable altivec
2663 $inc_altivec_h
2664 int main(void) {
2665 vector signed int v1, v2, v3;
2666 v1 = vec_add(v2,v3);
2667 return 0;
2668 }
2669 EOF
2670
2671 # check if our compiler supports braces for vector declarations
2672 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2673 $inc_altivec_h
2674 int main (void) { (vector int) {1}; return 0; }
2675 EOF
2676 fi
2677
2678 elif enabled sparc; then
2679
2680 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2681 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2682
2683 elif enabled x86; then
2684
2685 enable local_aligned_8 local_aligned_16
2686
2687 # check whether EBP is available on x86
2688 # As 'i' is stored on the stack, this program will crash
2689 # if the base pointer is used to access it because the
2690 # base pointer is cleared in the inline assembly code.
2691 check_exec_crash <<EOF && enable ebp_available
2692 volatile int i=0;
2693 __asm__ volatile (
2694 "xorl %%ebp, %%ebp"
2695 ::: "%ebp");
2696 return i;
2697 EOF
2698
2699 # check whether EBX is available on x86
2700 check_asm ebx_available '""::"b"(0)' &&
2701 check_asm ebx_available '"":::"%ebx"'
2702
2703 # check whether xmm clobbers are supported
2704 check_asm xmm_clobbers '"":::"%xmm0"'
2705
2706 # check whether binutils is new enough to compile SSSE3/MMX2
2707 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2708 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2709
2710 check_asm bswap '"bswap %%eax" ::: "%eax"'
2711
2712 if ! disabled_any asm mmx yasm; then
2713 if check_cmd $yasmexe --version; then
2714 enabled x86_64 && yasm_extra="-m amd64"
2715 yasm_debug="-g dwarf2"
2716 elif check_cmd nasm -v; then
2717 yasmexe=nasm
2718 yasm_debug="-g -F dwarf"
2719 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2720 fi
2721
2722 YASMFLAGS="-f $objformat $yasm_extra"
2723 enabled pic && append YASMFLAGS "-DPIC"
2724 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2725 case "$objformat" in
2726 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2727 esac
2728
2729 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2730 die "yasm not found, use --disable-yasm for a crippled build"
2731 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2732 fi
2733
2734 case "$cpu" in
2735 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2736 disable fast_clz
2737 ;;
2738 esac
2739
2740 fi
2741
2742 if enabled asm; then
2743 as=${gas:=$as}
2744 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2745 $nogas "GNU assembler not found, install gas-preprocessor"
2746 fi
2747
2748 check_ldflags -Wl,--as-needed
2749
2750 if check_func dlopen; then
2751 ldl=
2752 elif check_func dlopen -ldl; then
2753 ldl=-ldl
2754 fi
2755
2756 if enabled network; then
2757 check_type "sys/types.h sys/socket.h" socklen_t
2758 check_type netdb.h "struct addrinfo"
2759 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2760 check_type netinet/in.h "struct sockaddr_in6"
2761 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2762 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2763 # Prefer arpa/inet.h over winsock2
2764 if check_header arpa/inet.h ; then
2765 check_func closesocket
2766 elif check_header winsock2.h ; then
2767 check_func_headers winsock2.h closesocket -lws2 && \
2768 network_extralibs="-lws2" || \
2769 { check_func_headers winsock2.h closesocket -lws2_32 && \
2770 network_extralibs="-lws2_32"; }
2771 check_type ws2tcpip.h socklen_t
2772 check_type ws2tcpip.h "struct addrinfo"
2773 check_type ws2tcpip.h "struct ipv6_mreq"
2774 check_type ws2tcpip.h "struct sockaddr_in6"
2775 check_type ws2tcpip.h "struct sockaddr_storage"
2776 check_struct winsock2.h "struct sockaddr" sa_len
2777 else
2778 disable network
2779 fi
2780 fi
2781
2782 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2783 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2784
2785 check_func fcntl
2786 check_func fork
2787 check_func getaddrinfo $network_extralibs
2788 check_func gethrtime
2789 check_func getrusage
2790 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2791 check_func inet_aton $network_extralibs
2792 check_func isatty
2793 check_func localtime_r
2794 check_func ${malloc_prefix}memalign && enable memalign
2795 check_func mkstemp
2796 check_func mmap
2797 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2798 check_func setrlimit
2799 check_func strerror_r
2800 check_func strtok_r
2801 check_func_headers io.h setmode
2802 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2803 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2804 check_func_headers windows.h GetProcessTimes
2805 check_func_headers windows.h MapViewOfFile
2806 check_func_headers windows.h VirtualAlloc
2807
2808 check_header dlfcn.h
2809 check_header dxva2api.h
2810 check_header malloc.h
2811 check_header poll.h
2812 check_header sys/mman.h
2813 check_header sys/resource.h
2814 check_header sys/select.h
2815 check_header vdpau/vdpau.h
2816 check_header vdpau/vdpau_x11.h
2817 check_header X11/extensions/XvMClib.h
2818
2819 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2820
2821 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2822 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2823
2824 # check for some common methods of building with pthread support
2825 # do this before the optional library checks as some of them require pthreads
2826 if ! disabled pthreads && ! enabled w32threads; then
2827 enable pthreads
2828 if check_func pthread_create; then
2829 :
2830 elif check_func pthread_create -pthread; then
2831 add_cflags -pthread
2832 add_extralibs -pthread
2833 elif check_func pthread_create -pthreads; then
2834 add_cflags -pthreads
2835 add_extralibs -pthreads
2836 elif check_func pthread_create -lpthreadGC2; then
2837 add_extralibs -lpthreadGC2
2838 elif ! check_lib pthread.h pthread_create -lpthread; then
2839 disable pthreads
2840 fi
2841 fi
2842
2843 for thread in $THREADS_LIST; do
2844 if enabled $thread; then
2845 test -n "$thread_type" &&
2846 die "ERROR: Only one thread type must be selected." ||
2847 thread_type="$thread"
2848 fi
2849 done
2850
2851 check_lib math.h sin -lm && LIBM="-lm"
2852 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2853
2854 check_mathfunc exp2
2855 check_mathfunc exp2f
2856 check_mathfunc llrint
2857 check_mathfunc llrintf
2858 check_mathfunc log2
2859 check_mathfunc log2f
2860 check_mathfunc lrint
2861 check_mathfunc lrintf
2862 check_mathfunc round
2863 check_mathfunc roundf
2864 check_mathfunc trunc
2865 check_mathfunc truncf
2866
2867 # these are off by default, so fail if requested and not available
2868 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2869 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2870 enabled libdirac && require_pkg_config dirac \
2871 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2872 "dirac_decoder_init dirac_encoder_init"
2873 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2874 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2875 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2876 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2877 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2878 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2879 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2880 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2881 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2882 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2883 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2884 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2885 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2886 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2887 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2888 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2889 enabled libvpx && {
2890 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2891 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2892 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2893 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2894 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2895 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2896 die "ERROR: libx264 version must be >= 0.115."; }
2897 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2898 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2899 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2900
2901 # libdc1394 check
2902 if enabled libdc1394; then
2903 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2904 enable libdc1394_2; } ||
2905 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2906 enable libdc1394_1; } ||
2907 die "ERROR: No version of libdc1394 found "
2908 fi
2909
2910 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2911 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2912 enable sdl &&
2913 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2914 fi
2915
2916 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2917
2918 check_header linux/fb.h
2919 check_header linux/videodev.h
2920 check_header linux/videodev2.h
2921 check_header sys/videoio.h
2922
2923 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2924 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2925 # w32api 3.12 had it defined wrong
2926 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2927
2928 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2929 { check_header dev/bktr/ioctl_meteor.h &&
2930 check_header dev/bktr/ioctl_bt848.h; } ||
2931 { check_header machine/ioctl_meteor.h &&
2932 check_header machine/ioctl_bt848.h; } ||
2933 { check_header dev/video/meteor/ioctl_meteor.h &&
2934 check_header dev/video/bktr/ioctl_bt848.h; } ||
2935 check_header dev/ic/bt8xx.h
2936
2937 check_header sndio.h
2938 check_header sys/soundcard.h
2939 check_header soundcard.h
2940
2941 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2942
2943 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2944
2945 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2946
2947 enabled x11grab &&
2948 check_header X11/Xlib.h &&
2949 check_header X11/extensions/XShm.h &&
2950 check_header X11/extensions/Xfixes.h &&
2951 check_func XOpenDisplay -lX11 &&
2952 check_func XShmCreateImage -lX11 -lXext &&
2953 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2954
2955 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2956 check_cpp_condition \
2957 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2958 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2959 disable vdpau; }
2960 fi
2961
2962 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2963
2964 # add some useful compiler flags if supported
2965 check_cflags -Wdeclaration-after-statement
2966 check_cflags -Wall
2967 check_cflags -Wno-parentheses
2968 check_cflags -Wno-switch
2969 check_cflags -Wno-format-zero-length
2970 check_cflags -Wdisabled-optimization
2971 check_cflags -Wpointer-arith
2972 check_cflags -Wredundant-decls
2973 check_cflags -Wno-pointer-sign
2974 check_cflags -Wcast-qual
2975 check_cflags -Wwrite-strings
2976 check_cflags -Wtype-limits
2977 check_cflags -Wundef
2978 check_cflags -Wmissing-prototypes
2979 enabled extra_warnings && check_cflags -Winline
2980
2981 # add some linker flags
2982 check_ldflags -Wl,--warn-common
2983 check_ldflags -Wl,-rpath-link,libpostproc -Wl,-rpath-link,libswscale -Wl,-rpath-link,libavfilter -Wl,-rpath-link,libavdevice -Wl,-rpath-link,libavformat -Wl,-rpath-link,libavcodec -Wl,-rpath-link,libavutil
2984 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2985
2986 echo "X{};" > $TMPV
2987 if test_ldflags -Wl,--version-script,$TMPV; then
2988 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2989 check_cc <<EOF && enable symver_asm_label
2990 void ff_foo(void) __asm__ ("av_foo@VERSION");
2991 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2992 EOF
2993 check_cc <<EOF && enable symver_gnu_asm
2994 __asm__(".symver ff_foo,av_foo@VERSION");
2995 void ff_foo(void) {}
2996 EOF
2997 fi
2998
2999 if [ -n "$optflags" ]; then
3000 add_cflags $optflags
3001 elif enabled small; then
3002 add_cflags $size_cflags
3003 elif enabled optimizations; then
3004 add_cflags $speed_cflags
3005 else
3006 add_cflags $noopt_cflags
3007 fi
3008 check_cflags -fno-math-errno
3009 check_cflags -fno-signed-zeros
3010
3011 if enabled icc; then
3012 # Just warnings, no remarks
3013 check_cflags -w1
3014 # -wd: Disable following warnings
3015 # 144, 167, 556: -Wno-pointer-sign
3016 # 1292: attribute "foo" ignored
3017 # 10006: ignoring unknown option -fno-signed-zeros
3018 # 10148: ignoring unknown option -Wno-parentheses
3019 # 10156: ignoring option '-W'; no argument required
3020 check_cflags -wd144,167,556,1292,10006,10148,10156
3021 # 11030: Warning unknown option --as-needed
3022 # 10156: ignoring option '-export'; no argument required
3023 check_ldflags -wd10156,11030
3024 # Allow to compile with optimizations
3025 check_ldflags -march=$cpu
3026 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3027 enable ebp_available
3028 if enabled x86_32; then
3029 test ${icc_version%%.*} -ge 11 && \
3030 check_cflags -falign-stack=maintain-16-byte || \
3031 disable aligned_stack
3032 fi
3033 elif enabled ccc; then
3034 # disable some annoying warnings
3035 add_cflags -msg_disable cvtu32to64
3036 add_cflags -msg_disable embedcomment
3037 add_cflags -msg_disable needconstext
3038 add_cflags -msg_disable nomainieee
3039 add_cflags -msg_disable ptrmismatch1
3040 add_cflags -msg_disable unreachcode
3041 elif enabled gcc; then
3042 check_cflags -fno-tree-vectorize
3043 check_cflags -Werror=implicit-function-declaration
3044 check_cflags -Werror=missing-prototypes
3045 elif enabled llvm_gcc; then
3046 check_cflags -mllvm -stack-alignment=16
3047 elif enabled clang; then
3048 check_cflags -mllvm -stack-alignment=16
3049 check_cflags -Qunused-arguments
3050 elif enabled armcc; then
3051 # 2523: use of inline assembler is deprecated
3052 add_cflags -W${armcc_opt},--diag_suppress=2523
3053 add_cflags -W${armcc_opt},--diag_suppress=1207
3054 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3055 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3056 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3057 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3058 elif enabled tms470; then
3059 add_cflags -pds=824 -pds=837
3060 elif enabled pathscale; then
3061 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3062 fi
3063
3064 enabled_any $THREADS_LIST && enable threads
3065
3066 check_deps $CONFIG_LIST \
3067 $CONFIG_EXTRA \
3068 $HAVE_LIST \
3069 $DECODER_LIST \
3070 $ENCODER_LIST \
3071 $HWACCEL_LIST \
3072 $PARSER_LIST \
3073 $BSF_LIST \
3074 $DEMUXER_LIST \
3075 $MUXER_LIST \
3076 $FILTER_LIST \
3077 $INDEV_LIST \
3078 $OUTDEV_LIST \
3079 $PROTOCOL_LIST \
3080 $ACODEC_TESTS \
3081 $VCODEC_TESTS \
3082 $LAVF_TESTS \
3083 $LAVFI_TESTS \
3084 $SEEK_TESTS \
3085
3086 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3087
3088 ! enabled_any memalign posix_memalign malloc_aligned &&
3089 enabled_any $need_memalign && enable memalign_hack
3090
3091 echo "install prefix $prefix"
3092 echo "source path $source_path"
3093 echo "C compiler $cc"
3094 echo "ARCH $arch ($cpu)"
3095 if test "$build_suffix" != ""; then
3096 echo "build suffix $build_suffix"
3097 fi
3098 if test "$extra_version" != ""; then
3099 echo "version string suffix $extra_version"
3100 fi
3101 echo "big-endian ${bigendian-no}"
3102 echo "runtime cpu detection ${runtime_cpudetect-no}"
3103 if enabled x86; then
3104 echo "${yasmexe} ${yasm-no}"
3105 echo "MMX enabled ${mmx-no}"
3106 echo "MMX2 enabled ${mmx2-no}"
3107 echo "3DNow! enabled ${amd3dnow-no}"
3108 echo "3DNow! extended enabled ${amd3dnowext-no}"
3109 echo "SSE enabled ${sse-no}"
3110 echo "SSSE3 enabled ${ssse3-no}"
3111 echo "AVX enabled ${avx-no}"
3112 echo "CMOV enabled ${cmov-no}"
3113 echo "CMOV is fast ${fast_cmov-no}"
3114 echo "EBX available ${ebx_available-no}"
3115 echo "EBP available ${ebp_available-no}"
3116 fi
3117 if enabled arm; then
3118 echo "ARMv5TE enabled ${armv5te-no}"
3119 echo "ARMv6 enabled ${armv6-no}"
3120 echo "ARMv6T2 enabled ${armv6t2-no}"
3121 echo "ARM VFP enabled ${armvfp-no}"
3122 echo "IWMMXT enabled ${iwmmxt-no}"
3123 echo "NEON enabled ${neon-no}"
3124 fi
3125 if enabled mips; then
3126 echo "MMI enabled ${mmi-no}"
3127 fi
3128 if enabled ppc; then
3129 echo "AltiVec enabled ${altivec-no}"
3130 echo "PPC 4xx optimizations ${ppc4xx-no}"
3131 echo "dcbzl available ${dcbzl-no}"
3132 fi
3133 if enabled sparc; then
3134 echo "VIS enabled ${vis-no}"
3135 fi
3136 echo "debug symbols ${debug-no}"
3137 echo "optimize for size ${small-no}"
3138 echo "optimizations ${optimizations-no}"
3139 echo "static ${static-no}"
3140 echo "shared ${shared-no}"
3141 echo "postprocessing support ${postproc-no}"
3142 echo "new filter support ${avfilter-no}"
3143 echo "network support ${network-no}"
3144 echo "threading support ${thread_type-no}"
3145 echo "SDL support ${sdl-no}"
3146 echo "Sun medialib support ${mlib-no}"
3147 echo "AVISynth enabled ${avisynth-no}"
3148 echo "frei0r enabled ${frei0r-no}"
3149 echo "libdc1394 support ${libdc1394-no}"
3150 echo "libdirac enabled ${libdirac-no}"
3151 echo "libfaac enabled ${libfaac-no}"
3152 echo "libgsm enabled ${libgsm-no}"
3153 echo "libmp3lame enabled ${libmp3lame-no}"
3154 echo "libnut enabled ${libnut-no}"
3155 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3156 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3157 echo "libopencv support ${libopencv-no}"
3158 echo "libopenjpeg enabled ${libopenjpeg-no}"
3159 echo "librtmp enabled ${librtmp-no}"
3160 echo "libschroedinger enabled ${libschroedinger-no}"
3161 echo "libspeex enabled ${libspeex-no}"
3162 echo "libtheora enabled ${libtheora-no}"
3163 echo "libva enabled ${vaapi-no}"
3164 echo "libvo-aacenc support ${libvo_aacenc-no}"
3165 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3166 echo "libvorbis enabled ${libvorbis-no}"
3167 echo "libvpx enabled ${libvpx-no}"
3168 echo "libx264 enabled ${libx264-no}"
3169 echo "libxavs enabled ${libxavs-no}"
3170 echo "libxvid enabled ${libxvid-no}"
3171 echo "zlib enabled ${zlib-no}"
3172 echo "bzlib enabled ${bzlib-no}"
3173 echo
3174
3175 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3176 echo "Enabled ${type}s:"
3177 eval list=\$$(toupper $type)_LIST
3178 print_enabled '_*' $list | sort | pr -r -3 -t
3179 echo
3180 done
3181
3182 license="LGPL version 2.1 or later"
3183 if enabled nonfree; then
3184 license="nonfree and unredistributable"
3185 elif enabled gplv3; then
3186 license="GPL version 3 or later"
3187 elif enabled lgplv3; then
3188 license="LGPL version 3 or later"
3189 elif enabled gpl; then
3190 license="GPL version 2 or later"
3191 fi
3192
3193 echo "License: $license"
3194
3195 echo "Creating config.mak and config.h..."
3196
3197 # build tree in object directory if source path is different from current one
3198 if enabled source_path_used; then
3199 DIRS="
3200 doc
3201 libavcodec
3202 libavcodec/$arch
3203 libavdevice
3204 libavfilter
3205 libavfilter/$arch
3206 libavformat
3207 libavutil
3208 libavutil/$arch
3209 libpostproc
3210 libswscale
3211 libswscale/$arch
3212 tests
3213 tools
3214 "
3215 map 'mkdir -p $v' $DIRS;
3216 $ln_s "$source_path/Makefile" .
3217 fi
3218
3219 config_files="$TMPH config.mak"
3220
3221 cat > config.mak <<EOF
3222 # Automatically generated by configure - do not modify!
3223 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3224 prefix=$prefix
3225 LIBDIR=\$(DESTDIR)$libdir
3226 SHLIBDIR=\$(DESTDIR)$shlibdir
3227 INCDIR=\$(DESTDIR)$incdir
3228 BINDIR=\$(DESTDIR)$bindir
3229 DATADIR=\$(DESTDIR)$datadir
3230 MANDIR=\$(DESTDIR)$mandir
3231 SRC_PATH=$source_path
3232 CC_IDENT=$cc_ident
3233 ARCH=$arch
3234 CC=$cc
3235 AS=$as
3236 LD=$ld
3237 DEPCC=$dep_cc
3238 YASM=$yasmexe
3239 YASMDEP=$yasmexe
3240 AR=$ar
3241 RANLIB=$ranlib
3242 LN_S=$ln_s
3243 CPPFLAGS=$CPPFLAGS
3244 CFLAGS=$CFLAGS
3245 ASFLAGS=$ASFLAGS
3246 AS_O=$CC_O
3247 CC_O=$CC_O
3248 DLLTOOL=$dlltool
3249 LDFLAGS=$LDFLAGS
3250 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3251 SHFLAGS=$SHFLAGS
3252 YASMFLAGS=$YASMFLAGS
3253 BUILDSUF=$build_suffix
3254 FULLNAME=$FULLNAME
3255 LIBPREF=$LIBPREF
3256 LIBSUF=$LIBSUF
3257 LIBNAME=$LIBNAME
3258 SLIBPREF=$SLIBPREF
3259 SLIBSUF=$SLIBSUF
3260 EXESUF=$EXESUF
3261 EXTRA_VERSION=$extra_version
3262 DEPFLAGS=$DEPFLAGS
3263 CCDEP=$CCDEP
3264 ASDEP=$ASDEP
3265 CC_DEPFLAGS=$CC_DEPFLAGS
3266 AS_DEPFLAGS=$AS_DEPFLAGS
3267 HOSTCC=$host_cc
3268 HOSTCFLAGS=$host_cflags
3269 HOSTEXESUF=$HOSTEXESUF
3270 HOSTLDFLAGS=$host_ldflags
3271 HOSTLIBS=$host_libs
3272 TARGET_EXEC=$target_exec
3273 TARGET_PATH=$target_path
3274 SDL_LIBS=$sdl_libs
3275 SDL_CFLAGS=$sdl_cflags
3276 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3277 EXTRALIBS=$extralibs
3278 INSTALL=install
3279 LIBTARGET=${LIBTARGET}
3280 SLIBNAME=${SLIBNAME}
3281 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3282 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3283 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3284 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3285 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3286 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3287 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3288 EOF
3289
3290 get_version(){
3291 name=$1
3292 file=$source_path/$2
3293 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3294 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3295 lcname=$(tolower $name)
3296 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3297 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3298 }
3299
3300 get_version LIBSWSCALE libswscale/swscale.h
3301 get_version LIBPOSTPROC libpostproc/postprocess.h
3302 get_version LIBAVCODEC libavcodec/version.h
3303 get_version LIBAVDEVICE libavdevice/avdevice.h
3304 get_version LIBAVFORMAT libavformat/version.h
3305 get_version LIBAVUTIL libavutil/avutil.h
3306 get_version LIBAVFILTER libavfilter/avfilter.h
3307
3308 cat > $TMPH <<EOF
3309 /* Automatically generated by configure - do not modify! */
3310 #ifndef LIBAV_CONFIG_H
3311 #define LIBAV_CONFIG_H
3312 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3313 #define LIBAV_LICENSE "$(c_escape $license)"
3314 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3315 #define CC_TYPE "$cc_type"
3316 #define CC_VERSION $cc_version
3317 #define restrict $_restrict
3318 #define EXTERN_PREFIX "${extern_prefix}"
3319 #define EXTERN_ASM ${extern_prefix}
3320 #define SLIBSUF "$SLIBSUF"
3321 EOF
3322
3323 test -n "$malloc_prefix" &&
3324 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3325
3326 if enabled small || disabled optimizations; then
3327 echo "#undef av_always_inline" >> $TMPH
3328 if enabled small; then
3329 echo "#define av_always_inline inline" >> $TMPH
3330 else
3331 echo "#define av_always_inline av_unused" >> $TMPH
3332 fi
3333 fi
3334
3335 if enabled yasm; then
3336 append config_files $TMPASM
3337 printf '' >$TMPASM
3338 fi
3339
3340 print_config ARCH_ "$config_files" $ARCH_LIST
3341 print_config HAVE_ "$config_files" $HAVE_LIST
3342 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3343 $CONFIG_EXTRA \
3344 $DECODER_LIST \
3345 $ENCODER_LIST \
3346 $HWACCEL_LIST \
3347 $PARSER_LIST \
3348 $BSF_LIST \
3349 $DEMUXER_LIST \
3350 $MUXER_LIST \
3351 $FILTER_LIST \
3352 $PROTOCOL_LIST \
3353 $INDEV_LIST \
3354 $OUTDEV_LIST \
3355
3356 cat >>config.mak <<EOF
3357 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3358 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3359 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3360 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3361 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3362 EOF
3363
3364 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3365
3366 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3367 cp_if_changed $TMPH config.h
3368 touch .config
3369
3370 enabled yasm && cp_if_changed $TMPASM config.asm
3371
3372 cat > $TMPH <<EOF
3373 /* Generated by ffconf */
3374 #ifndef AVUTIL_AVCONFIG_H
3375 #define AVUTIL_AVCONFIG_H
3376 EOF
3377
3378 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3379
3380 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3381
3382 cp_if_changed $TMPH libavutil/avconfig.h
3383
3384 test -n "$WARNINGS" && printf "\n$WARNINGS"
3385
3386 # build pkg-config files
3387
3388 pkgconfig_generate(){
3389 name=$1
3390 shortname=${name#lib}${build_suffix}
3391 comment=$2
3392 version=$3
3393 libs=$4
3394 requires=$5
3395 enabled ${name#lib} || return 0
3396 cat <<EOF > $name/$name.pc
3397 prefix=$prefix
3398 exec_prefix=\${prefix}
3399 libdir=$libdir
3400 includedir=$incdir
3401
3402 Name: $name
3403 Description: $comment
3404 Version: $version
3405 Requires: $(enabled shared || echo $requires)
3406 Requires.private: $(enabled shared && echo $requires)
3407 Conflicts:
3408 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3409 Libs.private: $(enabled shared && echo $libs)
3410 Cflags: -I\${includedir}
3411 EOF
3412 cat <<EOF > $name/$name-uninstalled.pc
3413 prefix=
3414 exec_prefix=
3415 libdir=\${pcfiledir}
3416 includedir=${source_path}
3417
3418 Name: $name
3419 Description: $comment
3420 Version: $version
3421 Requires: $requires
3422 Conflicts:
3423 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3424 Cflags: -I\${includedir}
3425 EOF
3426 }
3427
3428 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3429 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3430 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3431 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3432 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3433 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3434 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"