lavfi: port boxblur filter from libmpcodecs
[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/avconv]
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-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vdpau enable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-frei0r enable frei0r video filtering
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libopencv enable video filtering via libopencv [no]
168 --enable-libcdio enable audio CD grabbing with libcdio
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfreetype enable libfreetype [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-librtmp enable RTMP[E] support via librtmp [no]
180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
184 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
185 --enable-libvorbis enable Vorbis encoding via libvorbis,
186 native implementation exists [no]
187 --enable-libvpx enable VP8 support via libvpx [no]
188 --enable-libx264 enable H.264 encoding via x264 [no]
189 --enable-libxavs enable AVS encoding via xavs [no]
190 --enable-libxvid enable Xvid encoding via xvidcore,
191 native MPEG-4/Xvid encoder exists [no]
192 --enable-mlib enable Sun medialib [no]
193 --enable-zlib enable zlib [autodetect]
194
195 Advanced options (experts only):
196 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
197 --enable-cross-compile assume a cross-compiler is used
198 --sysroot=PATH root of cross-build tree
199 --sysinclude=PATH location of cross-build system headers
200 --target-os=OS compiler targets OS [$target_os]
201 --target-exec=CMD command to run executables on target
202 --target-path=DIR path to view of build directory on target
203 --nm=NM use nm tool
204 --ar=AR use archive tool AR [$ar_default]
205 --as=AS use assembler AS [$as_default]
206 --cc=CC use C compiler CC [$cc_default]
207 --ld=LD use linker LD
208 --host-cc=HOSTCC use host C compiler HOSTCC
209 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
210 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
211 --host-libs=HLIBS use libs HLIBS when linking for host
212 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
213 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
214 --extra-libs=ELIBS add ELIBS [$ELIBS]
215 --extra-version=STRING version string suffix []
216 --build-suffix=SUFFIX library name suffix []
217 --arch=ARCH select architecture [$arch]
218 --cpu=CPU select the minimum required CPU (affects
219 instruction selection, may crash on older CPUs)
220 --disable-asm disable all assembler optimizations
221 --disable-altivec disable AltiVec optimizations
222 --disable-amd3dnow disable 3DNow! optimizations
223 --disable-amd3dnowext disable 3DNow! extended optimizations
224 --disable-mmx disable MMX optimizations
225 --disable-mmx2 disable MMX2 optimizations
226 --disable-sse disable SSE optimizations
227 --disable-ssse3 disable SSSE3 optimizations
228 --disable-avx disable AVX optimizations
229 --disable-armv5te disable armv5te optimizations
230 --disable-armv6 disable armv6 optimizations
231 --disable-armv6t2 disable armv6t2 optimizations
232 --disable-armvfp disable ARM VFP optimizations
233 --disable-iwmmxt disable iwmmxt optimizations
234 --disable-mmi disable MMI optimizations
235 --disable-neon disable neon optimizations
236 --disable-vis disable VIS optimizations
237 --disable-yasm disable use of yasm assembler
238 --enable-pic build position-independent code
239 --malloc-prefix=PFX prefix malloc and related names with PFX
240 --enable-sram allow use of on-chip SRAM
241 --disable-symver disable symbol versioning
242 --optflags override optimization-related compiler flags
243
244 Developer options (useful when working on Libav itself):
245 --disable-debug disable debugging symbols
246 --enable-debug=LEVEL set the debug level [$debuglevel]
247 --disable-optimizations disable compiler optimizations
248 --enable-extra-warnings enable more compiler warnings
249 --samples=PATH location of test samples for FATE, if not set use
250 \$FATE_SAMPLES at make invocation time.
251
252 NOTE: Object files are built at the place where configure is launched.
253 EOF
254 exit 0
255 }
256
257 quotes='""'
258
259 log(){
260 echo "$@" >> $logfile
261 }
262
263 log_file(){
264 log BEGIN $1
265 pr -n -t $1 >> $logfile
266 log END $1
267 }
268
269 echolog(){
270 log "$@"
271 echo "$@"
272 }
273
274 warn(){
275 log "WARNING: $*"
276 WARNINGS="${WARNINGS}WARNING: $*\n"
277 }
278
279 die(){
280 echolog "$@"
281 cat <<EOF
282
283 If you think configure made a mistake, make sure you are using the latest
284 version from Git. If the latest version fails, report the problem to the
285 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
286 EOF
287 if disabled logging; then
288 cat <<EOF
289 Rerun configure with logging enabled (do not use --disable-logging), and
290 include the log this produces with your report.
291 EOF
292 else
293 cat <<EOF
294 Include the log file "$logfile" produced by configure as this will help
295 solving the problem.
296 EOF
297 fi
298 exit 1
299 }
300
301 # Avoid locale weirdness, besides we really just want to translate ASCII.
302 toupper(){
303 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
304 }
305
306 tolower(){
307 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
308 }
309
310 c_escape(){
311 echo "$*" | sed 's/["\\]/\\\0/g'
312 }
313
314 sh_quote(){
315 v=$(echo "$1" | sed "s/'/'\\\\''/g")
316 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
317 echo "$v"
318 }
319
320 cleanws(){
321 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
322 }
323
324 filter(){
325 pat=$1
326 shift
327 for v; do
328 eval "case $v in $pat) echo $v ;; esac"
329 done
330 }
331
332 filter_out(){
333 pat=$1
334 shift
335 for v; do
336 eval "case $v in $pat) ;; *) echo $v ;; esac"
337 done
338 }
339
340 map(){
341 m=$1
342 shift
343 for v; do eval $m; done
344 }
345
346 set_all(){
347 value=$1
348 shift
349 for var in $*; do
350 eval $var=$value
351 done
352 }
353
354 set_weak(){
355 value=$1
356 shift
357 for var; do
358 eval : \${$var:=$value}
359 done
360 }
361
362 set_safe(){
363 var=$1
364 shift
365 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
366 }
367
368 get_safe(){
369 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
370 }
371
372 pushvar(){
373 for var in $*; do
374 eval level=\${${var}_level:=0}
375 eval ${var}_${level}="\$$var"
376 eval ${var}_level=$(($level+1))
377 done
378 }
379
380 popvar(){
381 for var in $*; do
382 eval level=\${${var}_level:-0}
383 test $level = 0 && continue
384 eval level=$(($level-1))
385 eval $var="\${${var}_${level}}"
386 eval ${var}_level=$level
387 eval unset ${var}_${level}
388 done
389 }
390
391 enable(){
392 set_all yes $*
393 }
394
395 disable(){
396 set_all no $*
397 }
398
399 enable_weak(){
400 set_weak yes $*
401 }
402
403 disable_weak(){
404 set_weak no $*
405 }
406
407 enable_safe(){
408 for var; do
409 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
410 done
411 }
412
413 disable_safe(){
414 for var; do
415 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
416 done
417 }
418
419 do_enable_deep(){
420 for var; do
421 enabled $var && continue
422 eval sel="\$${var}_select"
423 eval sgs="\$${var}_suggest"
424 pushvar var sgs
425 enable_deep $sel
426 popvar sgs
427 enable_deep_weak $sgs
428 popvar var
429 done
430 }
431
432 enable_deep(){
433 do_enable_deep $*
434 enable $*
435 }
436
437 enable_deep_weak(){
438 do_enable_deep $*
439 enable_weak $*
440 }
441
442 enabled(){
443 test "${1#!}" = "$1" && op== || op=!=
444 eval test "x\$${1#!}" $op "xyes"
445 }
446
447 disabled(){
448 test "${1#!}" = "$1" && op== || op=!=
449 eval test "x\$${1#!}" $op "xno"
450 }
451
452 enabled_all(){
453 for opt; do
454 enabled $opt || return 1
455 done
456 }
457
458 disabled_all(){
459 for opt; do
460 disabled $opt || return 1
461 done
462 }
463
464 enabled_any(){
465 for opt; do
466 enabled $opt && return 0
467 done
468 }
469
470 disabled_any(){
471 for opt; do
472 disabled $opt && return 0
473 done
474 return 1
475 }
476
477 set_default(){
478 for opt; do
479 eval : \${$opt:=\$${opt}_default}
480 done
481 }
482
483 is_in(){
484 value=$1
485 shift
486 for var in $*; do
487 [ $var = $value ] && return 0
488 done
489 return 1
490 }
491
492 check_deps(){
493 for cfg; do
494 cfg="${cfg#!}"
495 enabled ${cfg}_checking && die "Circular dependency for $cfg."
496 disabled ${cfg}_checking && continue
497 enable ${cfg}_checking
498
499 eval dep_all="\$${cfg}_deps"
500 eval dep_any="\$${cfg}_deps_any"
501 eval dep_sel="\$${cfg}_select"
502 eval dep_sgs="\$${cfg}_suggest"
503 eval dep_ifa="\$${cfg}_if"
504 eval dep_ifn="\$${cfg}_if_any"
505
506 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
508 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
509
510 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
511 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
512 enabled_all $dep_all || disable $cfg
513 enabled_any $dep_any || disable $cfg
514 disabled_any $dep_sel && disable $cfg
515
516 if enabled $cfg; then
517 eval dep_extralibs="\$${cfg}_extralibs"
518 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
519 enable_deep $dep_sel
520 enable_deep_weak $dep_sgs
521 fi
522
523 disable ${cfg}_checking
524 done
525 }
526
527 print_config_h(){
528 enabled $1 && v=1 || v=0
529 echo "#define $2 $v"
530 }
531
532 print_config_mak(){
533 enabled $1 && v= || v=!
534 echo "$v$2=yes"
535 }
536
537 print_config_asm(){
538 enabled $1 && echo "%define $2"
539 }
540
541 print_config(){
542 pfx=$1
543 files=$2
544 shift 2
545 for cfg; do
546 ucname="$(toupper $cfg)"
547 for f in $files; do
548 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
549 done
550 done
551 }
552
553 print_enabled(){
554 test "$1" = -n && end=" " && shift || end="\n"
555 suf=$1
556 shift
557 for v; do
558 enabled $v && printf "%s$end" ${v%$suf};
559 done
560 }
561
562 append(){
563 var=$1
564 shift
565 eval "$var=\"\$$var $*\""
566 }
567
568 prepend(){
569 var=$1
570 shift
571 eval "$var=\"$* \$$var\""
572 }
573
574 add_cppflags(){
575 append CPPFLAGS $($filter_cppflags "$@")
576 }
577
578 add_cflags(){
579 append CFLAGS $($filter_cflags "$@")
580 }
581
582 add_asflags(){
583 append ASFLAGS $($filter_asflags "$@")
584 }
585
586 add_ldflags(){
587 append LDFLAGS "$@"
588 }
589
590 add_extralibs(){
591 prepend extralibs "$@"
592 }
593
594 check_cmd(){
595 log "$@"
596 "$@" >> $logfile 2>&1
597 }
598
599 check_cc(){
600 log check_cc "$@"
601 cat > $TMPC
602 log_file $TMPC
603 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
604 }
605
606 check_cpp(){
607 log check_cpp "$@"
608 cat > $TMPC
609 log_file $TMPC
610 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
611 }
612
613 check_as(){
614 log check_as "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
618 }
619
620 check_asm(){
621 log check_asm "$@"
622 name="$1"
623 code="$2"
624 shift 2
625 disable $name
626 check_as "$@" <<EOF && enable $name
627 void foo(void){ __asm__ volatile($code); }
628 EOF
629 }
630
631 check_yasm(){
632 log check_yasm "$@"
633 echo "$1" > $TMPS
634 log_file $TMPS
635 shift 1
636 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
637 }
638
639 check_ld(){
640 log check_ld "$@"
641 flags=''
642 libs=''
643 for f; do
644 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
645 done
646 check_cc $($filter_cflags $flags) || return
647 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
648 }
649
650 check_cppflags(){
651 log check_cppflags "$@"
652 set -- $($filter_cppflags "$@")
653 check_cc "$@" <<EOF && append CPPFLAGS "$@"
654 int x;
655 EOF
656 }
657
658 check_cflags(){
659 log check_cflags "$@"
660 set -- $($filter_cflags "$@")
661 check_cc "$@" <<EOF && append CFLAGS "$@"
662 int x;
663 EOF
664 }
665
666 test_ldflags(){
667 log test_ldflags "$@"
668 check_ld "$@" <<EOF
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_ldflags(){
674 log check_ldflags "$@"
675 test_ldflags "$@" && add_ldflags "$@"
676 }
677
678 check_header(){
679 log check_header "$@"
680 header=$1
681 shift
682 disable_safe $header
683 check_cpp "$@" <<EOF && enable_safe $header
684 #include <$header>
685 int x;
686 EOF
687 }
688
689 check_func(){
690 log check_func "$@"
691 func=$1
692 shift
693 disable $func
694 check_ld "$@" <<EOF && enable $func
695 extern int $func();
696 int main(void){ $func(); }
697 EOF
698 }
699
700 check_mathfunc(){
701 log check_mathfunc "$@"
702 func=$1
703 shift
704 disable $func
705 check_ld "$@" <<EOF && enable $func
706 #include <math.h>
707 float foo(float f) { return $func(f); }
708 int main(void){ return 0; }
709 EOF
710 }
711
712 check_func_headers(){
713 log check_func_headers "$@"
714 headers=$1
715 funcs=$2
716 shift 2
717 {
718 for hdr in $headers; do
719 echo "#include <$hdr>"
720 done
721 for func in $funcs; do
722 echo "long check_$func(void) { return (long) $func; }"
723 done
724 echo "int main(void) { return 0; }"
725 } | check_ld "$@" && enable $funcs && enable_safe $headers
726 }
727
728 check_cpp_condition(){
729 log check_cpp_condition "$@"
730 header=$1
731 condition=$2
732 shift 2
733 check_cpp $($filter_cppflags "$@") <<EOF
734 #include <$header>
735 #if !($condition)
736 #error "unsatisfied condition: $condition"
737 #endif
738 EOF
739 }
740
741 check_lib(){
742 log check_lib "$@"
743 header="$1"
744 func="$2"
745 shift 2
746 check_header $header && check_func $func "$@" && add_extralibs "$@"
747 }
748
749 check_lib2(){
750 log check_lib2 "$@"
751 headers="$1"
752 funcs="$2"
753 shift 2
754 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
755 }
756
757 check_pkg_config(){
758 log check_pkg_config "$@"
759 pkg="$1"
760 headers="$2"
761 funcs="$3"
762 shift 3
763 $pkg_config --exists $pkg || return
764 pkg_cflags=$($pkg_config --cflags $pkg)
765 pkg_libs=$($pkg_config --libs $pkg)
766 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
767 set_safe ${pkg}_cflags $pkg_cflags &&
768 set_safe ${pkg}_libs $pkg_libs
769 }
770
771 check_exec(){
772 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
773 }
774
775 check_exec_crash(){
776 code=$(cat)
777
778 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
779 # are safe but may not be available everywhere. Thus we use
780 # raise(SIGTERM) instead. The check is run in a subshell so we
781 # can redirect the "Terminated" message from the shell. SIGBUS
782 # is not defined by standard C so it is used conditionally.
783
784 (check_exec "$@") >> $logfile 2>&1 <<EOF
785 #include <signal.h>
786 static void sighandler(int sig){
787 raise(SIGTERM);
788 }
789 int main(void){
790 signal(SIGILL, sighandler);
791 signal(SIGFPE, sighandler);
792 signal(SIGSEGV, sighandler);
793 #ifdef SIGBUS
794 signal(SIGBUS, sighandler);
795 #endif
796 { $code }
797 }
798 EOF
799 }
800
801 check_type(){
802 log check_type "$@"
803 headers=$1
804 type=$2
805 shift 2
806 disable_safe "$type"
807 incs=""
808 for hdr in $headers; do
809 incs="$incs
810 #include <$hdr>"
811 done
812 check_cc "$@" <<EOF && enable_safe "$type"
813 $incs
814 $type v;
815 EOF
816 }
817
818 check_struct(){
819 log check_type "$@"
820 headers=$1
821 struct=$2
822 member=$3
823 shift 3
824 disable_safe "${struct}_${member}"
825 incs=""
826 for hdr in $headers; do
827 incs="$incs
828 #include <$hdr>"
829 done
830 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
831 $incs
832 const void *p = &(($struct *)0)->$member;
833 EOF
834 }
835
836 require(){
837 name="$1"
838 header="$2"
839 func="$3"
840 shift 3
841 check_lib $header $func "$@" || die "ERROR: $name not found"
842 }
843
844 require2(){
845 name="$1"
846 headers="$2"
847 func="$3"
848 shift 3
849 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
850 }
851
852 require_pkg_config(){
853 pkg="$1"
854 check_pkg_config "$@" || die "ERROR: $pkg not found"
855 add_cflags $(get_safe ${pkg}_cflags)
856 add_extralibs $(get_safe ${pkg}_libs)
857 }
858
859 check_host_cc(){
860 log check_host_cc "$@"
861 cat > $TMPC
862 log_file $TMPC
863 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
864 }
865
866 check_host_cflags(){
867 log check_host_cflags "$@"
868 check_host_cc "$@" <<EOF && append host_cflags "$@"
869 int x;
870 EOF
871 }
872
873 apply(){
874 file=$1
875 shift
876 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
877 }
878
879 cp_if_changed(){
880 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
881 mkdir -p "$(dirname $2)"
882 cp -f "$1" "$2"
883 }
884
885 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
886 # system-dependent things.
887
888 COMPONENT_LIST="
889 bsfs
890 decoders
891 demuxers
892 encoders
893 filters
894 hwaccels
895 indevs
896 muxers
897 outdevs
898 parsers
899 protocols
900 "
901
902 CONFIG_LIST="
903 $COMPONENT_LIST
904 aandct
905 ac3dsp
906 avcodec
907 avdevice
908 avfilter
909 avformat
910 avisynth
911 bzlib
912 dct
913 doc
914 dwt
915 dxva2
916 fastdiv
917 ffmpeg
918 avconv
919 avplay
920 avprobe
921 avserver
922 fft
923 frei0r
924 golomb
925 gpl
926 gray
927 h264dsp
928 h264pred
929 hardcoded_tables
930 huffman
931 libcdio
932 libdc1394
933 libdirac
934 libfaac
935 libfreetype
936 libgsm
937 libmp3lame
938 libnut
939 libopencore_amrnb
940 libopencore_amrwb
941 libopencv
942 libopenjpeg
943 librtmp
944 libschroedinger
945 libspeex
946 libtheora
947 libvo_aacenc
948 libvo_amrwbenc
949 libvorbis
950 libvpx
951 libx264
952 libxavs
953 libxvid
954 lpc
955 lsp
956 mdct
957 memalign_hack
958 mlib
959 mpegaudiodsp
960 network
961 nonfree
962 pic
963 postproc
964 rdft
965 rtpdec
966 runtime_cpudetect
967 shared
968 sinewin
969 small
970 sram
971 static
972 swscale
973 swscale_alpha
974 thumb
975 vaapi
976 vdpau
977 version3
978 x11grab
979 zlib
980 "
981
982 THREADS_LIST='
983 pthreads
984 w32threads
985 '
986
987 ARCH_LIST='
988 alpha
989 arm
990 avr32
991 avr32_ap
992 avr32_uc
993 bfin
994 ia64
995 m68k
996 mips
997 mips64
998 parisc
999 ppc
1000 ppc64
1001 s390
1002 sh4
1003 sparc
1004 sparc64
1005 tomi
1006 x86
1007 x86_32
1008 x86_64
1009 '
1010
1011 ARCH_EXT_LIST='
1012 altivec
1013 amd3dnow
1014 amd3dnowext
1015 armv5te
1016 armv6
1017 armv6t2
1018 armvfp
1019 avx
1020 iwmmxt
1021 mmi
1022 mmx
1023 mmx2
1024 neon
1025 ppc4xx
1026 sse
1027 ssse3
1028 vfpv3
1029 vis
1030 '
1031
1032 HAVE_LIST_PUB='
1033 bigendian
1034 fast_unaligned
1035 '
1036
1037 HAVE_LIST="
1038 $ARCH_EXT_LIST
1039 $HAVE_LIST_PUB
1040 $THREADS_LIST
1041 aligned_stack
1042 alsa_asoundlib_h
1043 altivec_h
1044 arpa_inet_h
1045 asm_mod_y
1046 attribute_may_alias
1047 attribute_packed
1048 bswap
1049 closesocket
1050 cmov
1051 dcbzl
1052 dev_bktr_ioctl_bt848_h
1053 dev_bktr_ioctl_meteor_h
1054 dev_ic_bt8xx_h
1055 dev_video_meteor_ioctl_meteor_h
1056 dev_video_bktr_ioctl_bt848_h
1057 dlfcn_h
1058 dlopen
1059 dos_paths
1060 ebp_available
1061 ebx_available
1062 exp2
1063 exp2f
1064 fast_64bit
1065 fast_clz
1066 fast_cmov
1067 fcntl
1068 fork
1069 getaddrinfo
1070 gethrtime
1071 GetProcessMemoryInfo
1072 GetProcessTimes
1073 getrusage
1074 gnu_as
1075 struct_rusage_ru_maxrss
1076 ibm_asm
1077 inet_aton
1078 inline_asm
1079 isatty
1080 ldbrx
1081 libdc1394_1
1082 libdc1394_2
1083 llrint
1084 llrintf
1085 local_aligned_16
1086 local_aligned_8
1087 localtime_r
1088 log2
1089 log2f
1090 loongson
1091 lrint
1092 lrintf
1093 lzo1x_999_compress
1094 machine_ioctl_bt848_h
1095 machine_ioctl_meteor_h
1096 malloc_h
1097 MapViewOfFile
1098 memalign
1099 mkstemp
1100 mmap
1101 posix_memalign
1102 round
1103 roundf
1104 sdl
1105 sdl_video_size
1106 setmode
1107 sndio_h
1108 socklen_t
1109 soundcard_h
1110 poll_h
1111 setrlimit
1112 strerror_r
1113 strptime
1114 strtok_r
1115 struct_addrinfo
1116 struct_ipv6_mreq
1117 struct_sockaddr_in6
1118 struct_sockaddr_sa_len
1119 struct_sockaddr_storage
1120 symver
1121 symver_gnu_asm
1122 symver_asm_label
1123 sys_mman_h
1124 sys_resource_h
1125 sys_select_h
1126 sys_soundcard_h
1127 sys_videoio_h
1128 threads
1129 trunc
1130 truncf
1131 vfp_args
1132 VirtualAlloc
1133 winsock2_h
1134 xform_asm
1135 xmm_clobbers
1136 yasm
1137 "
1138
1139 # options emitted with CONFIG_ prefix but not available on command line
1140 CONFIG_EXTRA="
1141 avutil
1142 gplv3
1143 lgplv3
1144 "
1145
1146 CMDLINE_SELECT="
1147 $ARCH_EXT_LIST
1148 $CONFIG_LIST
1149 $THREADS_LIST
1150 asm
1151 cross_compile
1152 debug
1153 extra_warnings
1154 logging
1155 optimizations
1156 symver
1157 yasm
1158 "
1159
1160 PATHS_LIST='
1161 bindir
1162 datadir
1163 incdir
1164 libdir
1165 mandir
1166 prefix
1167 shlibdir
1168 '
1169
1170 CMDLINE_SET="
1171 $PATHS_LIST
1172 ar
1173 arch
1174 as
1175 build_suffix
1176 cc
1177 cpu
1178 cross_prefix
1179 dep_cc
1180 extra_version
1181 host_cc
1182 host_cflags
1183 host_ldflags
1184 host_libs
1185 host_os
1186 ld
1187 logfile
1188 malloc_prefix
1189 nm
1190 optflags
1191 pkg_config
1192 samples
1193 sysinclude
1194 sysroot
1195 target_exec
1196 target_os
1197 target_path
1198 "
1199
1200 CMDLINE_APPEND="
1201 extra_cflags
1202 "
1203
1204 # code dependency declarations
1205
1206 # architecture extensions
1207
1208 armv5te_deps="arm"
1209 armv6_deps="arm"
1210 armv6t2_deps="arm"
1211 armvfp_deps="arm"
1212 iwmmxt_deps="arm"
1213 neon_deps="arm"
1214 vfpv3_deps="armvfp"
1215
1216 mmi_deps="mips"
1217
1218 altivec_deps="ppc"
1219 ppc4xx_deps="ppc"
1220
1221 vis_deps="sparc"
1222
1223 x86_64_suggest="cmov fast_cmov"
1224 amd3dnow_deps="mmx"
1225 amd3dnowext_deps="amd3dnow"
1226 mmx_deps="x86"
1227 mmx2_deps="mmx"
1228 sse_deps="mmx"
1229 ssse3_deps="sse"
1230 avx_deps="ssse3"
1231
1232 aligned_stack_if_any="ppc x86"
1233 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1234 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1235 fast_unaligned_if_any="armv6 ppc x86"
1236
1237 need_memalign="altivec neon sse"
1238 inline_asm_deps="!tms470"
1239
1240 symver_if_any="symver_asm_label symver_gnu_asm"
1241
1242 # subsystems
1243 dct_select="rdft"
1244 mdct_select="fft"
1245 rdft_select="fft"
1246 mpegaudiodsp_select="dct"
1247
1248 # decoders / encoders / hardware accelerators
1249 aac_decoder_select="mdct sinewin"
1250 aac_encoder_select="mdct sinewin"
1251 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1252 ac3_decoder_select="mdct ac3dsp ac3_parser"
1253 ac3_encoder_select="mdct ac3dsp"
1254 ac3_fixed_encoder_select="mdct ac3dsp"
1255 alac_encoder_select="lpc"
1256 amrnb_decoder_select="lsp"
1257 amrwb_decoder_select="lsp"
1258 atrac1_decoder_select="mdct sinewin"
1259 atrac3_decoder_select="mdct"
1260 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1261 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1262 cavs_decoder_select="golomb"
1263 cook_decoder_select="mdct sinewin"
1264 cscd_decoder_suggest="zlib"
1265 dca_decoder_select="mdct"
1266 dnxhd_encoder_select="aandct"
1267 dxa_decoder_select="zlib"
1268 eac3_decoder_select="ac3_decoder"
1269 eac3_encoder_select="mdct ac3dsp"
1270 eamad_decoder_select="aandct"
1271 eatgq_decoder_select="aandct"
1272 eatqi_decoder_select="aandct"
1273 ffv1_decoder_select="golomb"
1274 flac_decoder_select="golomb"
1275 flac_encoder_select="golomb lpc"
1276 flashsv_decoder_select="zlib"
1277 flashsv_encoder_select="zlib"
1278 flashsv2_decoder_select="zlib"
1279 flv_decoder_select="h263_decoder"
1280 flv_encoder_select="h263_encoder"
1281 fraps_decoder_select="huffman"
1282 h261_encoder_select="aandct"
1283 h263_decoder_select="h263_parser"
1284 h263_encoder_select="aandct"
1285 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1286 h263i_decoder_select="h263_decoder"
1287 h263p_encoder_select="h263_encoder"
1288 h264_decoder_select="golomb h264dsp h264pred"
1289 h264_dxva2_hwaccel_deps="dxva2api_h"
1290 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1291 h264_vaapi_hwaccel_select="vaapi"
1292 h264_vdpau_decoder_select="vdpau h264_decoder"
1293 imc_decoder_select="fft mdct sinewin"
1294 jpegls_decoder_select="golomb"
1295 jpegls_encoder_select="golomb"
1296 ljpeg_encoder_select="aandct"
1297 loco_decoder_select="golomb"
1298 mjpeg_encoder_select="aandct"
1299 mlp_decoder_select="mlp_parser"
1300 mp1_decoder_select="mpegaudiodsp"
1301 mp2_decoder_select="mpegaudiodsp"
1302 mp3adu_decoder_select="mpegaudiodsp"
1303 mp3_decoder_select="mpegaudiodsp"
1304 mp3on4_decoder_select="mpegaudiodsp"
1305 mp1float_decoder_select="mpegaudiodsp"
1306 mp2float_decoder_select="mpegaudiodsp"
1307 mp3adufloat_decoder_select="mpegaudiodsp"
1308 mp3float_decoder_select="mpegaudiodsp"
1309 mp3on4float_decoder_select="mpegaudiodsp"
1310 mpeg1video_encoder_select="aandct"
1311 mpeg2video_encoder_select="aandct"
1312 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1313 mpeg4_encoder_select="h263_encoder"
1314 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1315 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1316 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1317 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1318 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1319 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1320 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1321 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1322 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1323 msmpeg4v1_decoder_select="h263_decoder"
1324 msmpeg4v1_encoder_select="h263_encoder"
1325 msmpeg4v2_decoder_select="h263_decoder"
1326 msmpeg4v2_encoder_select="h263_encoder"
1327 msmpeg4v3_decoder_select="h263_decoder"
1328 msmpeg4v3_encoder_select="h263_encoder"
1329 nellymoser_decoder_select="mdct sinewin"
1330 nellymoser_encoder_select="mdct sinewin"
1331 png_decoder_select="zlib"
1332 png_encoder_select="zlib"
1333 qcelp_decoder_select="lsp"
1334 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1335 ra_144_encoder_select="lpc"
1336 rv10_decoder_select="h263_decoder"
1337 rv10_encoder_select="h263_encoder"
1338 rv20_decoder_select="h263_decoder"
1339 rv20_encoder_select="h263_encoder"
1340 rv30_decoder_select="golomb h264pred"
1341 rv40_decoder_select="golomb h264pred"
1342 shorten_decoder_select="golomb"
1343 sipr_decoder_select="lsp"
1344 snow_decoder_select="dwt"
1345 snow_encoder_select="aandct dwt"
1346 svq1_encoder_select="aandct"
1347 svq3_decoder_select="golomb h264dsp h264pred"
1348 svq3_decoder_suggest="zlib"
1349 theora_decoder_select="vp3_decoder"
1350 tiff_decoder_suggest="zlib"
1351 tiff_encoder_suggest="zlib"
1352 truehd_decoder_select="mlp_decoder"
1353 tscc_decoder_select="zlib"
1354 twinvq_decoder_select="mdct lsp sinewin"
1355 vc1_decoder_select="h263_decoder"
1356 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1357 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1358 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1359 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1360 vc1image_decoder_select="vc1_decoder"
1361 vorbis_decoder_select="mdct"
1362 vorbis_encoder_select="mdct"
1363 vp6_decoder_select="huffman"
1364 vp6a_decoder_select="vp6_decoder"
1365 vp6f_decoder_select="vp6_decoder"
1366 vp8_decoder_select="h264pred"
1367 wmapro_decoder_select="mdct sinewin"
1368 wmav1_decoder_select="mdct sinewin"
1369 wmav1_encoder_select="mdct sinewin"
1370 wmav2_decoder_select="mdct sinewin"
1371 wmav2_encoder_select="mdct sinewin"
1372 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1373 wmv1_decoder_select="h263_decoder"
1374 wmv1_encoder_select="h263_encoder"
1375 wmv2_decoder_select="h263_decoder"
1376 wmv2_encoder_select="h263_encoder"
1377 wmv3_decoder_select="vc1_decoder"
1378 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1379 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1380 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1381 wmv3image_decoder_select="wmv3_decoder"
1382 zlib_decoder_select="zlib"
1383 zlib_encoder_select="zlib"
1384 zmbv_decoder_select="zlib"
1385 zmbv_encoder_select="zlib"
1386
1387 vaapi_deps="va_va_h"
1388 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1389
1390 # parsers
1391 h264_parser_select="golomb h264dsp h264pred"
1392
1393 # external libraries
1394 libdirac_decoder_deps="libdirac !libschroedinger"
1395 libdirac_encoder_deps="libdirac"
1396 libfaac_encoder_deps="libfaac"
1397 libgsm_decoder_deps="libgsm"
1398 libgsm_encoder_deps="libgsm"
1399 libgsm_ms_decoder_deps="libgsm"
1400 libgsm_ms_encoder_deps="libgsm"
1401 libmp3lame_encoder_deps="libmp3lame"
1402 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1403 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1404 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1405 libopenjpeg_decoder_deps="libopenjpeg"
1406 libschroedinger_decoder_deps="libschroedinger"
1407 libschroedinger_encoder_deps="libschroedinger"
1408 libspeex_decoder_deps="libspeex"
1409 libtheora_encoder_deps="libtheora"
1410 libvo_aacenc_encoder_deps="libvo_aacenc"
1411 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1412 libvorbis_encoder_deps="libvorbis"
1413 libvpx_decoder_deps="libvpx"
1414 libvpx_encoder_deps="libvpx"
1415 libx264_encoder_deps="libx264"
1416 libxavs_encoder_deps="libxavs"
1417 libxvid_encoder_deps="libxvid"
1418
1419 # demuxers / muxers
1420 ac3_demuxer_select="ac3_parser"
1421 asf_stream_muxer_select="asf_muxer"
1422 avisynth_demuxer_deps="avisynth"
1423 dirac_demuxer_select="dirac_parser"
1424 eac3_demuxer_select="ac3_parser"
1425 flac_demuxer_select="flac_parser"
1426 ipod_muxer_select="mov_muxer"
1427 libnut_demuxer_deps="libnut"
1428 libnut_muxer_deps="libnut"
1429 matroska_audio_muxer_select="matroska_muxer"
1430 matroska_demuxer_suggest="zlib bzlib"
1431 mov_demuxer_suggest="zlib"
1432 mp3_demuxer_select="mpegaudio_parser"
1433 mp4_muxer_select="mov_muxer"
1434 mpegtsraw_demuxer_select="mpegts_demuxer"
1435 mxf_d10_muxer_select="mxf_muxer"
1436 ogg_demuxer_select="golomb"
1437 psp_muxer_select="mov_muxer"
1438 rtp_demuxer_select="sdp_demuxer"
1439 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1440 rtsp_demuxer_select="http_protocol rtpdec"
1441 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1442 sap_demuxer_select="sdp_demuxer"
1443 sap_muxer_select="rtp_muxer rtp_protocol"
1444 sdp_demuxer_select="rtpdec"
1445 spdif_muxer_select="aac_parser"
1446 tg2_muxer_select="mov_muxer"
1447 tgp_muxer_select="mov_muxer"
1448 w64_demuxer_deps="wav_demuxer"
1449
1450 # indevs / outdevs
1451 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1452 alsa_outdev_deps="alsa_asoundlib_h"
1453 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1454 dv1394_indev_deps="dv1394 dv_demuxer"
1455 fbdev_indev_deps="linux_fb_h"
1456 jack_indev_deps="jack_jack_h"
1457 libcdio_indev_deps="libcdio"
1458 libdc1394_indev_deps="libdc1394"
1459 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1460 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1461 sndio_indev_deps="sndio_h"
1462 sndio_outdev_deps="sndio_h"
1463 v4l_indev_deps="linux_videodev_h"
1464 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1465 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1466 vfwcap_indev_extralibs="-lavicap32"
1467 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1468 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1469
1470 # protocols
1471 gopher_protocol_deps="network"
1472 http_protocol_deps="network"
1473 http_protocol_select="tcp_protocol"
1474 mmsh_protocol_select="http_protocol"
1475 mmst_protocol_deps="network"
1476 rtmp_protocol_select="tcp_protocol"
1477 rtp_protocol_select="udp_protocol"
1478 tcp_protocol_deps="network"
1479 udp_protocol_deps="network"
1480
1481 # filters
1482 blackframe_filter_deps="gpl"
1483 boxblur_filter_deps="gpl"
1484 cropdetect_filter_deps="gpl"
1485 drawtext_filter_deps="libfreetype"
1486 frei0r_filter_deps="frei0r dlopen strtok_r"
1487 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1488 hqdn3d_filter_deps="gpl"
1489 ocv_filter_deps="libopencv"
1490 scale_filter_deps="swscale"
1491 yadif_filter_deps="gpl"
1492
1493 # libraries
1494 avdevice_deps="avcodec avformat"
1495 avformat_deps="avcodec"
1496 postproc_deps="gpl"
1497
1498 # programs
1499 ffmpeg_deps="avcodec avformat swscale"
1500 ffmpeg_select="buffer_filter"
1501 avconv_deps="avcodec avformat swscale"
1502 avconv_select="buffer_filter"
1503 avplay_deps="avcodec avformat swscale sdl"
1504 avplay_select="rdft"
1505 avprobe_deps="avcodec avformat"
1506 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1507 avserver_extralibs='$ldl'
1508
1509 doc_deps="texi2html"
1510
1511 # tests
1512
1513 test_deps(){
1514 suf1=$1
1515 suf2=$2
1516 shift 2
1517 for v; do
1518 dep=${v%=*}
1519 tests=${v#*=}
1520 for name in ${tests}; do
1521 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1522 done
1523 done
1524 }
1525
1526 mxf_d10_test_deps="avfilter"
1527 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1528
1529 test_deps _encoder _decoder \
1530 adpcm_g726=g726 \
1531 adpcm_ima_qt \
1532 adpcm_ima_wav \
1533 adpcm_ms \
1534 adpcm_swf \
1535 adpcm_yamaha=adpcm_yam \
1536 alac \
1537 asv1 \
1538 asv2 \
1539 bmp \
1540 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1541 dvvideo="dv dv50" \
1542 ffv1 \
1543 flac \
1544 flashsv \
1545 flv \
1546 gif \
1547 h261 \
1548 h263="h263 h263p" \
1549 huffyuv \
1550 jpegls \
1551 mjpeg="jpg mjpeg ljpeg" \
1552 mp2 \
1553 mpeg1video="mpeg mpeg1b" \
1554 mpeg2video="mpeg2 mpeg2thread" \
1555 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1556 msmpeg4v3=msmpeg4 \
1557 msmpeg4v2 \
1558 pbm=pbmpipe \
1559 pcx \
1560 pgm="pgm pgmpipe" \
1561 png \
1562 ppm="ppm ppmpipe" \
1563 rawvideo="rgb yuv" \
1564 roq \
1565 rv10 \
1566 rv20 \
1567 sgi \
1568 snow="snow snowll" \
1569 svq1 \
1570 targa=tga \
1571 tiff \
1572 wmav1 \
1573 wmav2 \
1574 wmv1 \
1575 wmv2 \
1576
1577 test_deps _muxer _demuxer \
1578 aiff \
1579 pcm_alaw=alaw \
1580 asf \
1581 au \
1582 avi \
1583 dv=dv_fmt \
1584 ffm \
1585 flv=flv_fmt \
1586 gxf \
1587 matroska=mkv \
1588 mmf \
1589 mov \
1590 pcm_mulaw=mulaw \
1591 mxf="mxf mxf_d10" \
1592 nut \
1593 ogg \
1594 rawvideo=pixfmt \
1595 rm \
1596 swf \
1597 mpegts=ts \
1598 voc \
1599 wav \
1600 yuv4mpegpipe=yuv4mpeg \
1601
1602 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1603 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1604
1605 # default parameters
1606
1607 logfile="config.log"
1608
1609 # installation paths
1610 prefix_default="/usr/local"
1611 bindir_default='${prefix}/bin'
1612 datadir_default='${prefix}/share/avconv'
1613 incdir_default='${prefix}/include'
1614 libdir_default='${prefix}/lib'
1615 mandir_default='${prefix}/share/man'
1616 shlibdir_default="$libdir_default"
1617
1618 # toolchain
1619 ar_default="ar"
1620 cc_default="gcc"
1621 cc_version=\"unknown\"
1622 host_cc_default="gcc"
1623 ln_s="ln -sf"
1624 nm_default="nm"
1625 objformat="elf"
1626 pkg_config_default=pkg-config
1627 ranlib="ranlib"
1628 yasmexe="yasm"
1629 nogas=":"
1630
1631 nm_opts='-g'
1632
1633 # machine
1634 arch_default=$(uname -m)
1635 cpu="generic"
1636
1637 # OS
1638 target_os_default=$(tolower $(uname -s))
1639 host_os=$target_os_default
1640
1641 # configurable options
1642 enable avcodec
1643 enable avdevice
1644 enable avfilter
1645 enable avformat
1646 enable avutil
1647 enable asm
1648 enable debug
1649 enable doc
1650 enable fastdiv
1651 enable ffmpeg
1652 enable avconv
1653 enable avplay
1654 enable avprobe
1655 enable avserver
1656 enable network
1657 enable optimizations
1658 enable postproc
1659 enable protocols
1660 enable static
1661 enable swscale
1662 enable swscale_alpha
1663
1664 # build settings
1665 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1666 AVSERVERLDFLAGS=-Wl,-E
1667 LIBPREF="lib"
1668 LIBSUF=".a"
1669 FULLNAME='$(NAME)$(BUILDSUF)'
1670 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1671 SLIBPREF="lib"
1672 SLIBSUF=".so"
1673 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1674 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1675 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1676 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1677 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1678 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1679
1680 AS_O='-o $@'
1681 CC_O='-o $@'
1682
1683 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1684 host_libs='-lm'
1685
1686 target_path='$(CURDIR)'
1687
1688 # since the object filename is not given with the -MM flag, the compiler
1689 # is only able to print the basename, and we must add the path ourselves
1690 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1691 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1692
1693 # find source path
1694 if test -f configure; then
1695 source_path=.
1696 else
1697 source_path=$(cd $(dirname "$0"); pwd)
1698 echo "$source_path" | grep -q '[[:blank:]]' &&
1699 die "Out of tree builds are impossible with whitespace in source path."
1700 test -e "$source_path/config.h" &&
1701 die "Out of tree builds are impossible with config.h in source dir."
1702 fi
1703
1704 for v in "$@"; do
1705 r=${v#*=}
1706 l=${v%"$r"}
1707 r=$(sh_quote "$r")
1708 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1709 done
1710
1711 find_things(){
1712 thing=$1
1713 pattern=$2
1714 file=$source_path/$3
1715 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1716 }
1717
1718 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1719 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1720 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1721 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1722 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1723 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1724 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1725 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1726 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1727 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1728 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1729
1730 find_tests(){
1731 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1732 }
1733
1734 ACODEC_TESTS=$(find_tests acodec)
1735 VCODEC_TESTS=$(find_tests vsynth1)
1736 LAVF_TESTS=$(find_tests lavf)
1737 LAVFI_TESTS=$(find_tests lavfi)
1738 SEEK_TESTS=$(find_tests seek seek_)
1739
1740 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1741
1742 for n in $COMPONENT_LIST; do
1743 v=$(toupper ${n%s})_LIST
1744 eval enable \$$v
1745 eval ${n}_if_any="\$$v"
1746 done
1747
1748 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1749
1750 die_unknown(){
1751 echo "Unknown option \"$1\"."
1752 echo "See $0 --help for available options."
1753 exit 1
1754 }
1755
1756 show_list() {
1757 suffix=_$1
1758 shift
1759 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1760 exit 0
1761 }
1762
1763 for opt do
1764 optval="${opt#*=}"
1765 case "$opt" in
1766 --extra-ldflags=*) add_ldflags $optval
1767 ;;
1768 --extra-libs=*) add_extralibs $optval
1769 ;;
1770 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1771 ;;
1772 --enable-debug=*) debuglevel="$optval"
1773 ;;
1774 --disable-everything)
1775 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1776 ;;
1777 --enable-*=*|--disable-*=*)
1778 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1779 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1780 eval list=\$$(toupper $thing)_LIST
1781 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1782 $action $(filter "$name" $list)
1783 ;;
1784 --enable-?*|--disable-?*)
1785 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1786 if is_in $option $COMPONENT_LIST; then
1787 test $action = disable && action=unset
1788 eval $action \$$(toupper ${option%s})_LIST
1789 elif is_in $option $CMDLINE_SELECT; then
1790 $action $option
1791 else
1792 die_unknown $opt
1793 fi
1794 ;;
1795 --list-*)
1796 NAME="${opt#--list-}"
1797 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1798 NAME=${NAME%s}
1799 eval show_list $NAME \$$(toupper $NAME)_LIST
1800 ;;
1801 --help|-h) show_help
1802 ;;
1803 *)
1804 optname="${opt%%=*}"
1805 optname="${optname#--}"
1806 optname=$(echo "$optname" | sed 's/-/_/g')
1807 if is_in $optname $CMDLINE_SET; then
1808 eval $optname='$optval'
1809 elif is_in $optname $CMDLINE_APPEND; then
1810 append $optname "$optval"
1811 else
1812 die_unknown $opt
1813 fi
1814 ;;
1815 esac
1816 done
1817
1818 disabled logging && logfile=/dev/null
1819
1820 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1821 set >> $logfile
1822
1823 test -n "$cross_prefix" && enable cross_compile
1824
1825 if enabled cross_compile; then
1826 test -n "$arch" && test -n "$target_os" ||
1827 die "Must specify target arch and OS when cross-compiling"
1828 fi
1829
1830 set_default arch target_os
1831
1832 ar_default="${cross_prefix}${ar_default}"
1833 cc_default="${cross_prefix}${cc_default}"
1834 nm_default="${cross_prefix}${nm_default}"
1835 pkg_config_default="${cross_prefix}${pkg_config_default}"
1836 ranlib="${cross_prefix}${ranlib}"
1837
1838 sysinclude_default="${sysroot}/usr/include"
1839
1840 set_default cc nm pkg_config sysinclude
1841 enabled cross_compile || host_cc_default=$cc
1842 set_default host_cc
1843
1844 if ! $pkg_config --version >/dev/null 2>&1; then
1845 warn "$pkg_config not found, library detection may fail."
1846 pkg_config=false
1847 fi
1848
1849 exesuf() {
1850 case $1 in
1851 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1852 esac
1853 }
1854
1855 EXESUF=$(exesuf $target_os)
1856 HOSTEXESUF=$(exesuf $host_os)
1857
1858 # set temporary file name
1859 : ${TMPDIR:=$TEMPDIR}
1860 : ${TMPDIR:=$TMP}
1861 : ${TMPDIR:=/tmp}
1862
1863 if ! check_cmd mktemp -u XXXXXX; then
1864 # simple replacement for missing mktemp
1865 # NOT SAFE FOR GENERAL USE
1866 mktemp(){
1867 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1868 }
1869 fi
1870
1871 tmpfile(){
1872 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1873 (set -C; exec > $tmp) 2>/dev/null ||
1874 die "Unable to create temporary file in $TMPDIR."
1875 append TMPFILES $tmp
1876 eval $1=$tmp
1877 }
1878
1879 trap 'rm -f -- $TMPFILES' EXIT
1880
1881 tmpfile TMPC .c
1882 tmpfile TMPE $EXESUF
1883 tmpfile TMPH .h
1884 tmpfile TMPO .o
1885 tmpfile TMPS .S
1886 tmpfile TMPV .ver
1887 tmpfile TMPSH .sh
1888 tmpfile TMPASM .asm
1889
1890 unset -f mktemp
1891
1892 chmod +x $TMPE
1893
1894 # make sure we can execute files in $TMPDIR
1895 cat > $TMPSH 2>> $logfile <<EOF
1896 #! /bin/sh
1897 EOF
1898 chmod +x $TMPSH >> $logfile 2>&1
1899 if ! $TMPSH >> $logfile 2>&1; then
1900 cat <<EOF
1901 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1902 variable to another directory and make sure that it is not mounted noexec.
1903 EOF
1904 die "Sanity test failed."
1905 fi
1906
1907 filter_cflags=echo
1908 filter_cppflags=echo
1909 filter_asflags=echo
1910
1911 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1912 cc_type=llvm_gcc
1913 cc_version=__VERSION__
1914 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1915 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1916 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1917 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1918 speed_cflags='-O3'
1919 size_cflags='-Os'
1920 elif $cc -v 2>&1 | grep -qi ^gcc; then
1921 cc_type=gcc
1922 cc_version=__VERSION__
1923 gcc_version=$($cc --version | head -n1)
1924 gcc_basever=$($cc -dumpversion)
1925 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1926 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1927 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1928 if ! $cc -dumpversion | grep -q '^2\.'; then
1929 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1930 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1931 fi
1932 speed_cflags='-O3'
1933 size_cflags='-Os'
1934 elif $cc --version 2>/dev/null | grep -q Intel; then
1935 cc_type=icc
1936 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1937 cc_ident=$($cc --version | head -n1)
1938 icc_version=$($cc -dumpversion)
1939 CC_DEPFLAGS='-MMD'
1940 AS_DEPFLAGS='-MMD'
1941 speed_cflags='-O3'
1942 size_cflags='-Os'
1943 noopt_cflags='-O1'
1944 elif $cc -v 2>&1 | grep -q xlc; then
1945 cc_type=xlc
1946 cc_version="AV_STRINGIFY(__IBMC__)"
1947 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1948 speed_cflags='-O5'
1949 size_cflags='-O5 -qcompact'
1950 elif $cc -V 2>/dev/null | grep -q Compaq; then
1951 cc_type=ccc
1952 cc_version="AV_STRINGIFY(__DECC_VER)"
1953 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1954 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1955 debuglevel=3
1956 add_ldflags -Wl,-z,now # calls to libots crash without this
1957 speed_cflags='-fast'
1958 size_cflags='-O1'
1959 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1960 test -d "$sysroot" || die "No valid sysroot specified."
1961 cc_type=armcc
1962 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1963 cc_ident=$($cc --vsn | head -n1)
1964 armcc_conf="$PWD/armcc.conf"
1965 $cc --arm_linux_configure \
1966 --arm_linux_config_file="$armcc_conf" \
1967 --configure_sysroot="$sysroot" \
1968 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1969 die "Error creating armcc configuration file."
1970 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1971 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1972 as_default="${cross_prefix}gcc"
1973 CC_DEPFLAGS='-MMD'
1974 AS_DEPFLAGS='-MMD'
1975 speed_cflags='-O3'
1976 size_cflags='-Os'
1977 filter_asflags="filter_out -W${armcc_opt}*"
1978 elif $cc -version 2>/dev/null | grep -q TMS470; then
1979 cc_type=tms470
1980 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1981 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1982 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1983 CC_O='-fr=$(@D)'
1984 as_default="${cross_prefix}gcc"
1985 ld_default="${cross_prefix}gcc"
1986 TMPO=$(basename $TMPC .c).o
1987 append TMPFILES $TMPO
1988 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1989 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1990 AS_DEPFLAGS='-MMD'
1991 speed_cflags='-O3 -mf=5'
1992 size_cflags='-O3 -mf=2'
1993 filter_cflags=tms470_flags
1994 tms470_flags(){
1995 for flag; do
1996 case $flag in
1997 -march=*|-mcpu=*)
1998 case "${flag#*=}" in
1999 armv7-a|cortex-a*) echo -mv=7a8 ;;
2000 armv7-r|cortex-r*) echo -mv=7r4 ;;
2001 armv7-m|cortex-m*) echo -mv=7m3 ;;
2002 armv6*|arm11*) echo -mv=6 ;;
2003 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2004 echo -mv=5e ;;
2005 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2006 esac
2007 ;;
2008 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2009 -mfpu=vfp) echo --float_support=vfpv2 ;;
2010 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2011 -msoft-float) echo --float_support=vfplib ;;
2012 -O[0-3]|-mf=*) echo $flag ;;
2013 -g) echo -g -mn ;;
2014 -pds=*) echo $flag ;;
2015 esac
2016 done
2017 }
2018 elif $cc -v 2>&1 | grep -q clang; then
2019 cc_type=clang
2020 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2021 cc_version=__clang_version__ || cc_version=__VERSION__
2022 cc_ident=$($cc --version | head -n1)
2023 CC_DEPFLAGS='-MMD'
2024 AS_DEPFLAGS='-MMD'
2025 speed_cflags='-O3'
2026 size_cflags='-Os'
2027 elif $cc -V 2>&1 | grep -q Sun; then
2028 cc_type=suncc
2029 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2030 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2031 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2032 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2033 add_ldflags -xc99
2034 speed_cflags='-O5'
2035 size_cflags='-O5 -xspace'
2036 filter_cflags=suncc_flags
2037 suncc_flags(){
2038 for flag; do
2039 case $flag in
2040 -march=*|-mcpu=*)
2041 case "${flag#*=}" in
2042 native) echo -xtarget=native ;;
2043 v9|niagara) echo -xarch=sparc ;;
2044 ultrasparc) echo -xarch=sparcvis ;;
2045 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2046 i586|pentium) echo -xchip=pentium ;;
2047 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2048 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2049 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2050 pentium4*) echo -xtarget=pentium4 ;;
2051 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2052 *-sse3) echo -xarch=sse3 ;;
2053 core2) echo -xarch=ssse3 -xchip=core2 ;;
2054 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2055 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2056 k8|opteron|athlon64|athlon-fx)
2057 echo -xarch=sse2a ;;
2058 athlon*) echo -xarch=pentium_proa ;;
2059 esac
2060 ;;
2061 -std=c99) echo -xc99 ;;
2062 -fomit-frame-pointer) echo -xregs=frameptr ;;
2063 -fPIC) echo -KPIC -xcode=pic32 ;;
2064 -W*,*) echo $flag ;;
2065 -f*-*|-W*) ;;
2066 *) echo $flag ;;
2067 esac
2068 done
2069 }
2070 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2071 cc_type=pathscale
2072 cc_version=__PATHSCALE__
2073 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2074 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2075 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2076 speed_cflags='-O2'
2077 size_cflags='-Os'
2078 filter_cflags='filter_out -Wdisabled-optimization'
2079 elif $cc -v 2>&1 | grep -q Open64; then
2080 cc_type=open64
2081 cc_version=__OPEN64__
2082 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2083 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2084 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2085 speed_cflags='-O2'
2086 size_cflags='-Os'
2087 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2088 fi
2089
2090 test -n "$cc_type" && enable $cc_type ||
2091 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2092
2093 : ${as_default:=$cc}
2094 : ${dep_cc_default:=$cc}
2095 : ${ld_default:=$cc}
2096 set_default ar as dep_cc ld
2097
2098 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2099 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2100
2101 add_cflags $extra_cflags
2102 add_asflags $extra_cflags
2103
2104 if test -n "$sysroot"; then
2105 case "$cc_type" in
2106 gcc|llvm_gcc|clang)
2107 add_cppflags --sysroot="$sysroot"
2108 add_ldflags --sysroot="$sysroot"
2109 ;;
2110 tms470)
2111 add_cppflags -I"$sysinclude"
2112 add_ldflags --sysroot="$sysroot"
2113 ;;
2114 esac
2115 fi
2116
2117 if test "$cpu" = host; then
2118 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2119
2120 case "$cc_type" in
2121 gcc|llvm_gcc)
2122 check_native(){
2123 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2124 sed -n "/cc1.*$1=/{
2125 s/.*$1=\\([^ ]*\\).*/\\1/
2126 p
2127 q
2128 }" $TMPE
2129 }
2130 cpu=$(check_native -march || check_native -mcpu)
2131 ;;
2132 esac
2133
2134 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2135 fi
2136
2137 # Deal with common $arch aliases
2138 case "$arch" in
2139 arm*)
2140 arch="arm"
2141 ;;
2142 mips|mipsel|IP*)
2143 arch="mips"
2144 ;;
2145 mips64*)
2146 arch="mips"
2147 subarch="mips64"
2148 ;;
2149 parisc|hppa)
2150 arch="parisc"
2151 ;;
2152 parisc64|hppa64)
2153 arch="parisc"
2154 subarch="parisc64"
2155 ;;
2156 "Power Macintosh"|ppc|powerpc)
2157 arch="ppc"
2158 ;;
2159 ppc64|powerpc64)
2160 arch="ppc"
2161 subarch="ppc64"
2162 ;;
2163 s390|s390x)
2164 arch="s390"
2165 ;;
2166 sh4|sh)
2167 arch="sh4"
2168 ;;
2169 sun4u|sparc64)
2170 arch="sparc"
2171 subarch="sparc64"
2172 ;;
2173 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2174 arch="x86"
2175 ;;
2176 esac
2177
2178 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2179 enable $arch
2180
2181 # Add processor-specific flags
2182 if test "$cpu" = generic; then
2183 : do nothing
2184 elif enabled ppc; then
2185
2186 case $(tolower $cpu) in
2187 601|ppc601|powerpc601)
2188 cpuflags="-mcpu=601"
2189 disable altivec
2190 ;;
2191 603*|ppc603*|powerpc603*)
2192 cpuflags="-mcpu=603"
2193 disable altivec
2194 ;;
2195 604*|ppc604*|powerpc604*)
2196 cpuflags="-mcpu=604"
2197 disable altivec
2198 ;;
2199 g3|75*|ppc75*|powerpc75*)
2200 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2201 disable altivec
2202 ;;
2203 g4|745*|ppc745*|powerpc745*)
2204 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2205 ;;
2206 74*|ppc74*|powerpc74*)
2207 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2208 ;;
2209 g5|970|ppc970|powerpc970|power4*)
2210 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2211 ;;
2212 cell)
2213 cpuflags="-mcpu=cell"
2214 enable ldbrx
2215 ;;
2216 e500v2)
2217 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2218 disable altivec
2219 ;;
2220 e500)
2221 cpuflags="-mcpu=8540 -mhard-float"
2222 disable altivec
2223 ;;
2224 esac
2225
2226 elif enabled x86; then
2227
2228 case $cpu in
2229 i[345]86|pentium)
2230 cpuflags="-march=$cpu"
2231 disable mmx
2232 ;;
2233 # targets that do NOT support conditional mov (cmov)
2234 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2235 cpuflags="-march=$cpu"
2236 disable cmov
2237 ;;
2238 # targets that do support conditional mov (cmov)
2239 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2240 cpuflags="-march=$cpu"
2241 enable cmov
2242 enable fast_cmov
2243 ;;
2244 # targets that do support conditional mov but on which it's slow
2245 pentium4|pentium4m|prescott|nocona)
2246 cpuflags="-march=$cpu"
2247 enable cmov
2248 disable fast_cmov
2249 ;;
2250 esac
2251
2252 elif enabled sparc; then
2253
2254 case $cpu in
2255 niagara)
2256 cpuflags="-mcpu=$cpu"
2257 disable vis
2258 ;;
2259 sparc64)
2260 cpuflags="-mcpu=v9"
2261 ;;
2262 esac
2263
2264 elif enabled arm; then
2265
2266 case $cpu in
2267 armv*)
2268 cpuflags="-march=$cpu"
2269 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2270 ;;
2271 *)
2272 cpuflags="-mcpu=$cpu"
2273 case $cpu in
2274 cortex-a*) subarch=armv7a ;;
2275 cortex-r*) subarch=armv7r ;;
2276 cortex-m*) enable thumb; subarch=armv7m ;;
2277 arm11*) subarch=armv6 ;;
2278 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2279 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2280 esac
2281 ;;
2282 esac
2283
2284 elif enabled alpha; then
2285
2286 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2287
2288 elif enabled bfin; then
2289
2290 cpuflags="-mcpu=$cpu"
2291
2292 elif enabled mips; then
2293
2294 cpuflags="-march=$cpu"
2295
2296 elif enabled avr32; then
2297
2298 case $cpu in
2299 ap7[02]0[0-2])
2300 subarch="avr32_ap"
2301 cpuflags="-mpart=$cpu"
2302 ;;
2303 ap)
2304 subarch="avr32_ap"
2305 cpuflags="-march=$cpu"
2306 ;;
2307 uc3[ab]*)
2308 subarch="avr32_uc"
2309 cpuflags="-mcpu=$cpu"
2310 ;;
2311 uc)
2312 subarch="avr32_uc"
2313 cpuflags="-march=$cpu"
2314 ;;
2315 esac
2316
2317 fi
2318
2319 add_cflags $cpuflags
2320 add_asflags $cpuflags
2321
2322 # compiler sanity check
2323 check_exec <<EOF
2324 int main(void){ return 0; }
2325 EOF
2326 if test "$?" != 0; then
2327 echo "$cc is unable to create an executable file."
2328 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2329 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2330 echo "Only do this if you know what cross compiling means."
2331 fi
2332 die "C compiler test failed."
2333 fi
2334
2335 add_cppflags -D_ISOC99_SOURCE
2336 check_cflags -std=c99
2337 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2338 #include <stdlib.h>
2339 EOF
2340 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2341 #include <stdlib.h>
2342 EOF
2343
2344 check_host_cflags -std=c99
2345 check_host_cflags -Wall
2346
2347 case "$arch" in
2348 alpha|ia64|mips|parisc|sparc)
2349 spic=$shared
2350 ;;
2351 x86)
2352 subarch="x86_32"
2353 check_cc <<EOF && subarch="x86_64"
2354 int test[(int)sizeof(char*) - 7];
2355 EOF
2356 if test "$subarch" = "x86_64"; then
2357 spic=$shared
2358 fi
2359 ;;
2360 esac
2361
2362 enable $subarch
2363 enabled spic && enable pic
2364
2365 # OS specific
2366 case $target_os in
2367 haiku)
2368 prefix_default="/boot/common"
2369 network_extralibs="-lnetwork"
2370 host_libs=
2371 ;;
2372 sunos)
2373 AVSERVERLDFLAGS=""
2374 SHFLAGS='-shared -Wl,-h,$$(@F)'
2375 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2376 network_extralibs="-lsocket -lnsl"
2377 add_cppflags -D__EXTENSIONS__
2378 # When using suncc to build, the Solaris linker will mark
2379 # an executable with each instruction set encountered by
2380 # the Solaris assembler. As our libraries contain their own
2381 # guards for processor-specific code, instead suppress
2382 # generation of the HWCAPS ELF section on Solaris x86 only.
2383 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2384 nm_opts='-P -g'
2385 ;;
2386 netbsd)
2387 disable symver
2388 oss_indev_extralibs="-lossaudio"
2389 oss_outdev_extralibs="-lossaudio"
2390 ;;
2391 openbsd)
2392 enable malloc_aligned
2393 # On OpenBSD 4.5. the compiler does not use PIC unless
2394 # explicitly using -fPIC. Libav builds fine without PIC,
2395 # however the generated executable will not do anything
2396 # (simply quits with exit-code 1, no crash, no output).
2397 # Thus explicitly enable PIC here.
2398 enable pic
2399 disable symver
2400 SHFLAGS='-shared'
2401 oss_indev_extralibs="-lossaudio"
2402 oss_outdev_extralibs="-lossaudio"
2403 ;;
2404 dragonfly)
2405 enable malloc_aligned
2406 disable symver
2407 ;;
2408 freebsd)
2409 enable malloc_aligned
2410 ;;
2411 bsd/os)
2412 add_extralibs -lpoll -lgnugetopt
2413 ;;
2414 darwin)
2415 enable malloc_aligned
2416 gas="gas-preprocessor.pl $cc"
2417 enabled ppc && add_asflags -force_cpusubtype_ALL
2418 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2419 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2420 add_ldflags -Wl,-dynamic,-search_paths_first
2421 SLIBSUF=".dylib"
2422 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2423 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2424 AVSERVERLDFLAGS=-Wl,-bind_at_load
2425 objformat="macho"
2426 enabled x86_64 && objformat="macho64"
2427 enabled_any pic shared ||
2428 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2429 ;;
2430 mingw32*)
2431 if test $target_os = "mingw32ce"; then
2432 disable network
2433 else
2434 target_os=mingw32
2435 fi
2436 LIBTARGET=i386
2437 if enabled x86_64; then
2438 enable malloc_aligned
2439 LIBTARGET="i386:x86-64"
2440 elif enabled arm; then
2441 LIBTARGET=arm-wince
2442 fi
2443 shlibdir_default="$bindir_default"
2444 SLIBPREF=""
2445 SLIBSUF=".dll"
2446 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2447 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2448 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2449 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2450 SLIB_INSTALL_LINKS=
2451 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2452 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2453 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'
2454 objformat="win32"
2455 dlltool="${cross_prefix}dlltool"
2456 enable dos_paths
2457 check_cflags -fno-common
2458 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2459 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2460 die "ERROR: MinGW runtime version must be >= 3.15."
2461 add_cppflags -U__STRICT_ANSI__
2462 ;;
2463 cygwin*)
2464 target_os=cygwin
2465 shlibdir_default="$bindir_default"
2466 SLIBPREF="cyg"
2467 SLIBSUF=".dll"
2468 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2469 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2470 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2471 objformat="win32"
2472 enable dos_paths
2473 check_cflags -fno-common
2474 add_cppflags -U__STRICT_ANSI__
2475 ;;
2476 *-dos|freedos|opendos)
2477 network_extralibs="-lsocket"
2478 objformat="coff"
2479 enable dos_paths
2480 add_cppflags -U__STRICT_ANSI__
2481 ;;
2482 linux)
2483 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2484 enable dv1394
2485 ;;
2486 irix*)
2487 target_os=irix
2488 ranlib="echo ignoring ranlib"
2489 ;;
2490 os/2*)
2491 ln_s="cp -f"
2492 objformat="aout"
2493 add_cppflags -D_GNU_SOURCE
2494 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2495 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2496 AVSERVERLDFLAGS=""
2497 LIBSUF="_s.a"
2498 SLIBPREF=""
2499 SLIBSUF=".dll"
2500 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2501 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2502 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2503 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2504 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2505 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2506 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2507 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2508 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2509 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2510 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2511 enable dos_paths
2512 ;;
2513 gnu/kfreebsd)
2514 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2515 ;;
2516 gnu)
2517 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2518 ;;
2519 qnx)
2520 add_cppflags -D_QNX_SOURCE
2521 network_extralibs="-lsocket"
2522 ;;
2523 symbian)
2524 SLIBSUF=".dll"
2525 enable dos_paths
2526 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2527 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2528 add_ldflags -Wl,--target1-abs,--no-undefined \
2529 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2530 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2531 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2532 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2533 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2534 ;;
2535 none)
2536 ;;
2537 *)
2538 die "Unknown OS '$target_os'."
2539 ;;
2540 esac
2541
2542 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2543
2544 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2545
2546 set_default $PATHS_LIST
2547
2548 # we need to build at least one lib type
2549 if ! enabled_any static shared; then
2550 cat <<EOF
2551 At least one library type must be built.
2552 Specify --enable-static to build the static libraries or --enable-shared to
2553 build the shared libraries as well. To only build the shared libraries specify
2554 --disable-static in addition to --enable-shared.
2555 EOF
2556 exit 1;
2557 fi
2558
2559 die_license_disabled() {
2560 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2561 }
2562
2563 die_license_disabled gpl libcdio
2564 die_license_disabled gpl libx264
2565 die_license_disabled gpl libxavs
2566 die_license_disabled gpl libxvid
2567 die_license_disabled gpl x11grab
2568
2569 die_license_disabled nonfree libfaac
2570
2571 die_license_disabled version3 libopencore_amrnb
2572 die_license_disabled version3 libopencore_amrwb
2573 die_license_disabled version3 libvo_aacenc
2574 die_license_disabled version3 libvo_amrwbenc
2575
2576 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2577
2578 disabled optimizations || check_cflags -fomit-frame-pointer
2579
2580 enable_pic() {
2581 enable pic
2582 add_cppflags -DPIC
2583 add_cflags -fPIC
2584 add_asflags -fPIC
2585 }
2586
2587 enabled pic && enable_pic
2588
2589 check_cc <<EOF || die "Symbol mangling check failed."
2590 int ff_extern;
2591 EOF
2592 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2593 extern_prefix=${sym%%ff_extern*}
2594
2595 check_cc <<EOF && enable inline_asm
2596 void foo(void) { __asm__ volatile ("" ::); }
2597 EOF
2598
2599 _restrict=
2600 for restrict_keyword in restrict __restrict__ __restrict; do
2601 check_cc <<EOF && _restrict=$restrict_keyword && break
2602 void foo(char * $restrict_keyword p);
2603 EOF
2604 done
2605
2606 check_cc <<EOF && enable attribute_packed
2607 struct { int x; } __attribute__((packed)) x;
2608 EOF
2609
2610 check_cc <<EOF && enable attribute_may_alias
2611 union { int x; } __attribute__((may_alias)) x;
2612 EOF
2613
2614 check_cc <<EOF || die "endian test failed"
2615 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2616 EOF
2617 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2618
2619 if enabled alpha; then
2620
2621 check_cflags -mieee
2622
2623 elif enabled arm; then
2624
2625 enabled thumb && check_cflags -mthumb || check_cflags -marm
2626 nogas=die
2627
2628 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2629 enable vfp_args
2630 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2631 case "${cross_prefix:-$cc}" in
2632 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2633 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2634 __asm__ (".eabi_attribute 28, 1");
2635 int main(void) { return 0; }
2636 EOF
2637 esac
2638 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2639 fi
2640
2641 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2642 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2643 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2644 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2645 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2646 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2647 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2648
2649 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2650
2651 enabled_all armv6t2 shared !pic && enable_pic
2652
2653 elif enabled mips; then
2654
2655 check_asm loongson '"dmult.g $1, $2, $3"'
2656 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2657
2658 elif enabled ppc; then
2659
2660 enable local_aligned_8 local_aligned_16
2661
2662 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2663 check_asm ibm_asm '"add 0, 0, 0"'
2664 check_asm ppc4xx '"maclhw r10, r11, r12"'
2665 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2666
2667 # AltiVec flags: The FSF version of GCC differs from the Apple version
2668 if enabled altivec; then
2669 nogas=warn
2670 check_cflags -maltivec -mabi=altivec &&
2671 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2672 check_cflags -faltivec
2673
2674 # check if our compiler supports Motorola AltiVec C API
2675 check_cc <<EOF || disable altivec
2676 $inc_altivec_h
2677 int main(void) {
2678 vector signed int v1, v2, v3;
2679 v1 = vec_add(v2,v3);
2680 return 0;
2681 }
2682 EOF
2683
2684 # check if our compiler supports braces for vector declarations
2685 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2686 $inc_altivec_h
2687 int main (void) { (vector int) {1}; return 0; }
2688 EOF
2689 fi
2690
2691 elif enabled sparc; then
2692
2693 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2694 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2695
2696 elif enabled x86; then
2697
2698 enable local_aligned_8 local_aligned_16
2699
2700 # check whether EBP is available on x86
2701 # As 'i' is stored on the stack, this program will crash
2702 # if the base pointer is used to access it because the
2703 # base pointer is cleared in the inline assembly code.
2704 check_exec_crash <<EOF && enable ebp_available
2705 volatile int i=0;
2706 __asm__ volatile (
2707 "xorl %%ebp, %%ebp"
2708 ::: "%ebp");
2709 return i;
2710 EOF
2711
2712 # check whether EBX is available on x86
2713 check_asm ebx_available '""::"b"(0)' &&
2714 check_asm ebx_available '"":::"%ebx"'
2715
2716 # check whether xmm clobbers are supported
2717 check_asm xmm_clobbers '"":::"%xmm0"'
2718
2719 # check whether binutils is new enough to compile SSSE3/MMX2
2720 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2721 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2722
2723 check_asm bswap '"bswap %%eax" ::: "%eax"'
2724
2725 if ! disabled_any asm mmx yasm; then
2726 if check_cmd $yasmexe --version; then
2727 enabled x86_64 && yasm_extra="-m amd64"
2728 yasm_debug="-g dwarf2"
2729 elif check_cmd nasm -v; then
2730 yasmexe=nasm
2731 yasm_debug="-g -F dwarf"
2732 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2733 fi
2734
2735 YASMFLAGS="-f $objformat $yasm_extra"
2736 enabled pic && append YASMFLAGS "-DPIC"
2737 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2738 case "$objformat" in
2739 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2740 esac
2741
2742 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2743 die "yasm not found, use --disable-yasm for a crippled build"
2744 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2745 fi
2746
2747 case "$cpu" in
2748 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2749 disable fast_clz
2750 ;;
2751 esac
2752
2753 fi
2754
2755 if enabled asm; then
2756 as=${gas:=$as}
2757 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2758 $nogas "GNU assembler not found, install gas-preprocessor"
2759 fi
2760
2761 check_ldflags -Wl,--as-needed
2762
2763 if check_func dlopen; then
2764 ldl=
2765 elif check_func dlopen -ldl; then
2766 ldl=-ldl
2767 fi
2768
2769 if enabled network; then
2770 check_type "sys/types.h sys/socket.h" socklen_t
2771 check_type netdb.h "struct addrinfo"
2772 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2773 check_type netinet/in.h "struct sockaddr_in6"
2774 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2775 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2776 # Prefer arpa/inet.h over winsock2
2777 if check_header arpa/inet.h ; then
2778 check_func closesocket
2779 elif check_header winsock2.h ; then
2780 check_func_headers winsock2.h closesocket -lws2 && \
2781 network_extralibs="-lws2" || \
2782 { check_func_headers winsock2.h closesocket -lws2_32 && \
2783 network_extralibs="-lws2_32"; }
2784 check_type ws2tcpip.h socklen_t
2785 check_type ws2tcpip.h "struct addrinfo"
2786 check_type ws2tcpip.h "struct ipv6_mreq"
2787 check_type ws2tcpip.h "struct sockaddr_in6"
2788 check_type ws2tcpip.h "struct sockaddr_storage"
2789 check_struct winsock2.h "struct sockaddr" sa_len
2790 else
2791 disable network
2792 fi
2793 fi
2794
2795 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2796 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2797
2798 check_func fcntl
2799 check_func fork
2800 check_func getaddrinfo $network_extralibs
2801 check_func gethrtime
2802 check_func getrusage
2803 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2804 check_func inet_aton $network_extralibs
2805 check_func isatty
2806 check_func localtime_r
2807 check_func ${malloc_prefix}memalign && enable memalign
2808 check_func mkstemp
2809 check_func mmap
2810 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2811 check_func setrlimit
2812 check_func strerror_r
2813 check_func strptime
2814 check_func strtok_r
2815 check_func_headers io.h setmode
2816 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2817 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2818 check_func_headers windows.h GetProcessTimes
2819 check_func_headers windows.h MapViewOfFile
2820 check_func_headers windows.h VirtualAlloc
2821
2822 check_header dlfcn.h
2823 check_header dxva2api.h
2824 check_header malloc.h
2825 check_header poll.h
2826 check_header sys/mman.h
2827 check_header sys/resource.h
2828 check_header sys/select.h
2829 check_header vdpau/vdpau.h
2830 check_header vdpau/vdpau_x11.h
2831 check_header X11/extensions/XvMClib.h
2832
2833 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2834
2835 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2836 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2837
2838 # check for some common methods of building with pthread support
2839 # do this before the optional library checks as some of them require pthreads
2840 if ! disabled pthreads && ! enabled w32threads; then
2841 enable pthreads
2842 if check_func pthread_create; then
2843 :
2844 elif check_func pthread_create -pthread; then
2845 add_cflags -pthread
2846 add_extralibs -pthread
2847 elif check_func pthread_create -pthreads; then
2848 add_cflags -pthreads
2849 add_extralibs -pthreads
2850 elif check_func pthread_create -lpthreadGC2; then
2851 add_extralibs -lpthreadGC2
2852 elif ! check_lib pthread.h pthread_create -lpthread; then
2853 disable pthreads
2854 fi
2855 fi
2856
2857 for thread in $THREADS_LIST; do
2858 if enabled $thread; then
2859 test -n "$thread_type" &&
2860 die "ERROR: Only one thread type must be selected." ||
2861 thread_type="$thread"
2862 fi
2863 done
2864
2865 check_lib math.h sin -lm && LIBM="-lm"
2866 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2867
2868 check_mathfunc exp2
2869 check_mathfunc exp2f
2870 check_mathfunc llrint
2871 check_mathfunc llrintf
2872 check_mathfunc log2
2873 check_mathfunc log2f
2874 check_mathfunc lrint
2875 check_mathfunc lrintf
2876 check_mathfunc round
2877 check_mathfunc roundf
2878 check_mathfunc trunc
2879 check_mathfunc truncf
2880
2881 # these are off by default, so fail if requested and not available
2882 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2883 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2884 enabled libdirac && require_pkg_config dirac \
2885 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2886 "dirac_decoder_init dirac_encoder_init"
2887 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2888 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2889 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2890 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2891 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2892 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2893 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2894 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2895 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2896 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2897 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2898 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2899 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2900 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2901 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2902 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2903 enabled libvpx && {
2904 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2905 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2906 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2907 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2908 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2909 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2910 die "ERROR: libx264 version must be >= 0.118."; }
2911 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2912 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2913 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2914
2915 # libdc1394 check
2916 if enabled libdc1394; then
2917 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2918 enable libdc1394_2; } ||
2919 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2920 enable libdc1394_1; } ||
2921 die "ERROR: No version of libdc1394 found "
2922 fi
2923
2924 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2925 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2926 enable sdl &&
2927 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2928 fi
2929
2930 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2931
2932 check_header linux/fb.h
2933 check_header linux/videodev.h
2934 check_header linux/videodev2.h
2935 check_header sys/videoio.h
2936
2937 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2938 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2939 # w32api 3.12 had it defined wrong
2940 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2941
2942 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2943 { check_header dev/bktr/ioctl_meteor.h &&
2944 check_header dev/bktr/ioctl_bt848.h; } ||
2945 { check_header machine/ioctl_meteor.h &&
2946 check_header machine/ioctl_bt848.h; } ||
2947 { check_header dev/video/meteor/ioctl_meteor.h &&
2948 check_header dev/video/bktr/ioctl_bt848.h; } ||
2949 check_header dev/ic/bt8xx.h
2950
2951 check_header sndio.h
2952 check_header sys/soundcard.h
2953 check_header soundcard.h
2954
2955 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2956
2957 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2958
2959 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2960
2961 enabled libcdio &&
2962 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2963
2964 enabled x11grab &&
2965 check_header X11/Xlib.h &&
2966 check_header X11/extensions/XShm.h &&
2967 check_header X11/extensions/Xfixes.h &&
2968 check_func XOpenDisplay -lX11 &&
2969 check_func XShmCreateImage -lX11 -lXext &&
2970 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2971
2972 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2973 check_cpp_condition \
2974 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2975 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2976 disable vdpau; }
2977 fi
2978
2979 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2980
2981 # add some useful compiler flags if supported
2982 check_cflags -Wdeclaration-after-statement
2983 check_cflags -Wall
2984 check_cflags -Wno-parentheses
2985 check_cflags -Wno-switch
2986 check_cflags -Wno-format-zero-length
2987 check_cflags -Wdisabled-optimization
2988 check_cflags -Wpointer-arith
2989 check_cflags -Wredundant-decls
2990 check_cflags -Wno-pointer-sign
2991 check_cflags -Wcast-qual
2992 check_cflags -Wwrite-strings
2993 check_cflags -Wtype-limits
2994 check_cflags -Wundef
2995 check_cflags -Wmissing-prototypes
2996 check_cflags -Wstrict-prototypes
2997 enabled extra_warnings && check_cflags -Winline
2998
2999 # add some linker flags
3000 check_ldflags -Wl,--warn-common
3001 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3002 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3003
3004 echo "X{};" > $TMPV
3005 if test_ldflags -Wl,--version-script,$TMPV; then
3006 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3007 check_cc <<EOF && enable symver_asm_label
3008 void ff_foo(void) __asm__ ("av_foo@VERSION");
3009 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3010 EOF
3011 check_cc <<EOF && enable symver_gnu_asm
3012 __asm__(".symver ff_foo,av_foo@VERSION");
3013 void ff_foo(void) {}
3014 EOF
3015 fi
3016
3017 if [ -n "$optflags" ]; then
3018 add_cflags $optflags
3019 elif enabled small; then
3020 add_cflags $size_cflags
3021 elif enabled optimizations; then
3022 add_cflags $speed_cflags
3023 else
3024 add_cflags $noopt_cflags
3025 fi
3026 check_cflags -fno-math-errno
3027 check_cflags -fno-signed-zeros
3028
3029 if enabled icc; then
3030 # Just warnings, no remarks
3031 check_cflags -w1
3032 # -wd: Disable following warnings
3033 # 144, 167, 556: -Wno-pointer-sign
3034 # 1292: attribute "foo" ignored
3035 # 10006: ignoring unknown option -fno-signed-zeros
3036 # 10148: ignoring unknown option -Wno-parentheses
3037 # 10156: ignoring option '-W'; no argument required
3038 check_cflags -wd144,167,556,1292,10006,10148,10156
3039 # 11030: Warning unknown option --as-needed
3040 # 10156: ignoring option '-export'; no argument required
3041 check_ldflags -wd10156,11030
3042 # Allow to compile with optimizations
3043 check_ldflags -march=$cpu
3044 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3045 enable ebp_available
3046 if enabled x86_32; then
3047 test ${icc_version%%.*} -ge 11 && \
3048 check_cflags -falign-stack=maintain-16-byte || \
3049 disable aligned_stack
3050 fi
3051 elif enabled ccc; then
3052 # disable some annoying warnings
3053 add_cflags -msg_disable cvtu32to64
3054 add_cflags -msg_disable embedcomment
3055 add_cflags -msg_disable needconstext
3056 add_cflags -msg_disable nomainieee
3057 add_cflags -msg_disable ptrmismatch1
3058 add_cflags -msg_disable unreachcode
3059 elif enabled gcc; then
3060 check_cflags -fno-tree-vectorize
3061 check_cflags -Werror=implicit-function-declaration
3062 check_cflags -Werror=missing-prototypes
3063 elif enabled llvm_gcc; then
3064 check_cflags -mllvm -stack-alignment=16
3065 elif enabled clang; then
3066 check_cflags -mllvm -stack-alignment=16
3067 check_cflags -Qunused-arguments
3068 elif enabled armcc; then
3069 # 2523: use of inline assembler is deprecated
3070 add_cflags -W${armcc_opt},--diag_suppress=2523
3071 add_cflags -W${armcc_opt},--diag_suppress=1207
3072 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3073 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3074 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3075 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3076 elif enabled tms470; then
3077 add_cflags -pds=824 -pds=837
3078 elif enabled pathscale; then
3079 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3080 fi
3081
3082 enabled_any $THREADS_LIST && enable threads
3083
3084 check_deps $CONFIG_LIST \
3085 $CONFIG_EXTRA \
3086 $HAVE_LIST \
3087 $DECODER_LIST \
3088 $ENCODER_LIST \
3089 $HWACCEL_LIST \
3090 $PARSER_LIST \
3091 $BSF_LIST \
3092 $DEMUXER_LIST \
3093 $MUXER_LIST \
3094 $FILTER_LIST \
3095 $INDEV_LIST \
3096 $OUTDEV_LIST \
3097 $PROTOCOL_LIST \
3098 $ACODEC_TESTS \
3099 $VCODEC_TESTS \
3100 $LAVF_TESTS \
3101 $LAVFI_TESTS \
3102 $SEEK_TESTS \
3103
3104 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3105
3106 ! enabled_any memalign posix_memalign malloc_aligned &&
3107 enabled_any $need_memalign && enable memalign_hack
3108
3109 echo "install prefix $prefix"
3110 echo "source path $source_path"
3111 echo "C compiler $cc"
3112 echo "ARCH $arch ($cpu)"
3113 if test "$build_suffix" != ""; then
3114 echo "build suffix $build_suffix"
3115 fi
3116 if test "$extra_version" != ""; then
3117 echo "version string suffix $extra_version"
3118 fi
3119 echo "big-endian ${bigendian-no}"
3120 echo "runtime cpu detection ${runtime_cpudetect-no}"
3121 if enabled x86; then
3122 echo "${yasmexe} ${yasm-no}"
3123 echo "MMX enabled ${mmx-no}"
3124 echo "MMX2 enabled ${mmx2-no}"
3125 echo "3DNow! enabled ${amd3dnow-no}"
3126 echo "3DNow! extended enabled ${amd3dnowext-no}"
3127 echo "SSE enabled ${sse-no}"
3128 echo "SSSE3 enabled ${ssse3-no}"
3129 echo "AVX enabled ${avx-no}"
3130 echo "CMOV enabled ${cmov-no}"
3131 echo "CMOV is fast ${fast_cmov-no}"
3132 echo "EBX available ${ebx_available-no}"
3133 echo "EBP available ${ebp_available-no}"
3134 fi
3135 if enabled arm; then
3136 echo "ARMv5TE enabled ${armv5te-no}"
3137 echo "ARMv6 enabled ${armv6-no}"
3138 echo "ARMv6T2 enabled ${armv6t2-no}"
3139 echo "ARM VFP enabled ${armvfp-no}"
3140 echo "IWMMXT enabled ${iwmmxt-no}"
3141 echo "NEON enabled ${neon-no}"
3142 fi
3143 if enabled mips; then
3144 echo "MMI enabled ${mmi-no}"
3145 fi
3146 if enabled ppc; then
3147 echo "AltiVec enabled ${altivec-no}"
3148 echo "PPC 4xx optimizations ${ppc4xx-no}"
3149 echo "dcbzl available ${dcbzl-no}"
3150 fi
3151 if enabled sparc; then
3152 echo "VIS enabled ${vis-no}"
3153 fi
3154 echo "debug symbols ${debug-no}"
3155 echo "optimize for size ${small-no}"
3156 echo "optimizations ${optimizations-no}"
3157 echo "static ${static-no}"
3158 echo "shared ${shared-no}"
3159 echo "postprocessing support ${postproc-no}"
3160 echo "new filter support ${avfilter-no}"
3161 echo "network support ${network-no}"
3162 echo "threading support ${thread_type-no}"
3163 echo "SDL support ${sdl-no}"
3164 echo "Sun medialib support ${mlib-no}"
3165 echo "libdxva2 enabled ${dxva2-no}"
3166 echo "libva enabled ${vaapi-no}"
3167 echo "libvdpau enabled ${vdpau-no}"
3168 echo "AVISynth enabled ${avisynth-no}"
3169 echo "frei0r enabled ${frei0r-no}"
3170 echo "libcdio support ${libcdio-no}"
3171 echo "libdc1394 support ${libdc1394-no}"
3172 echo "libdirac enabled ${libdirac-no}"
3173 echo "libfaac enabled ${libfaac-no}"
3174 echo "libgsm enabled ${libgsm-no}"
3175 echo "libmp3lame enabled ${libmp3lame-no}"
3176 echo "libnut enabled ${libnut-no}"
3177 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3178 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3179 echo "libopencv support ${libopencv-no}"
3180 echo "libopenjpeg enabled ${libopenjpeg-no}"
3181 echo "librtmp enabled ${librtmp-no}"
3182 echo "libschroedinger enabled ${libschroedinger-no}"
3183 echo "libspeex enabled ${libspeex-no}"
3184 echo "libtheora enabled ${libtheora-no}"
3185 echo "libvo-aacenc support ${libvo_aacenc-no}"
3186 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3187 echo "libvorbis enabled ${libvorbis-no}"
3188 echo "libvpx enabled ${libvpx-no}"
3189 echo "libx264 enabled ${libx264-no}"
3190 echo "libxavs enabled ${libxavs-no}"
3191 echo "libxvid enabled ${libxvid-no}"
3192 echo "zlib enabled ${zlib-no}"
3193 echo "bzlib enabled ${bzlib-no}"
3194 echo
3195
3196 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3197 echo "Enabled ${type}s:"
3198 eval list=\$$(toupper $type)_LIST
3199 print_enabled '_*' $list | sort | pr -r -3 -t
3200 echo
3201 done
3202
3203 license="LGPL version 2.1 or later"
3204 if enabled nonfree; then
3205 license="nonfree and unredistributable"
3206 elif enabled gplv3; then
3207 license="GPL version 3 or later"
3208 elif enabled lgplv3; then
3209 license="LGPL version 3 or later"
3210 elif enabled gpl; then
3211 license="GPL version 2 or later"
3212 fi
3213
3214 echo "License: $license"
3215
3216 echo "Creating config.mak and config.h..."
3217
3218 test -e Makefile || $ln_s "$source_path/Makefile" .
3219
3220 config_files="$TMPH config.mak"
3221
3222 cat > config.mak <<EOF
3223 # Automatically generated by configure - do not modify!
3224 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3225 prefix=$prefix
3226 LIBDIR=\$(DESTDIR)$libdir
3227 SHLIBDIR=\$(DESTDIR)$shlibdir
3228 INCDIR=\$(DESTDIR)$incdir
3229 BINDIR=\$(DESTDIR)$bindir
3230 DATADIR=\$(DESTDIR)$datadir
3231 MANDIR=\$(DESTDIR)$mandir
3232 SRC_PATH=$source_path
3233 CC_IDENT=$cc_ident
3234 ARCH=$arch
3235 CC=$cc
3236 AS=$as
3237 LD=$ld
3238 DEPCC=$dep_cc
3239 YASM=$yasmexe
3240 YASMDEP=$yasmexe
3241 AR=$ar
3242 RANLIB=$ranlib
3243 LN_S=$ln_s
3244 CPPFLAGS=$CPPFLAGS
3245 CFLAGS=$CFLAGS
3246 ASFLAGS=$ASFLAGS
3247 AS_O=$CC_O
3248 CC_O=$CC_O
3249 DLLTOOL=$dlltool
3250 LDFLAGS=$LDFLAGS
3251 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3252 SHFLAGS=$SHFLAGS
3253 YASMFLAGS=$YASMFLAGS
3254 BUILDSUF=$build_suffix
3255 FULLNAME=$FULLNAME
3256 LIBPREF=$LIBPREF
3257 LIBSUF=$LIBSUF
3258 LIBNAME=$LIBNAME
3259 SLIBPREF=$SLIBPREF
3260 SLIBSUF=$SLIBSUF
3261 EXESUF=$EXESUF
3262 EXTRA_VERSION=$extra_version
3263 DEPFLAGS=$DEPFLAGS
3264 CCDEP=$CCDEP
3265 ASDEP=$ASDEP
3266 CC_DEPFLAGS=$CC_DEPFLAGS
3267 AS_DEPFLAGS=$AS_DEPFLAGS
3268 HOSTCC=$host_cc
3269 HOSTCFLAGS=$host_cflags
3270 HOSTEXESUF=$HOSTEXESUF
3271 HOSTLDFLAGS=$host_ldflags
3272 HOSTLIBS=$host_libs
3273 TARGET_EXEC=$target_exec
3274 TARGET_PATH=$target_path
3275 SDL_LIBS=$sdl_libs
3276 SDL_CFLAGS=$sdl_cflags
3277 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3278 EXTRALIBS=$extralibs
3279 INSTALL=install
3280 LIBTARGET=${LIBTARGET}
3281 SLIBNAME=${SLIBNAME}
3282 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3283 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3284 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3285 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3286 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3287 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3288 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3289 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3290 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3291 EOF
3292
3293 get_version(){
3294 name=$1
3295 file=$source_path/$2
3296 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3297 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3298 lcname=$(tolower $name)
3299 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3300 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3301 }
3302
3303 get_version LIBSWSCALE libswscale/swscale.h
3304 get_version LIBPOSTPROC libpostproc/postprocess.h
3305 get_version LIBAVCODEC libavcodec/version.h
3306 get_version LIBAVDEVICE libavdevice/avdevice.h
3307 get_version LIBAVFORMAT libavformat/version.h
3308 get_version LIBAVUTIL libavutil/avutil.h
3309 get_version LIBAVFILTER libavfilter/avfilter.h
3310
3311 cat > $TMPH <<EOF
3312 /* Automatically generated by configure - do not modify! */
3313 #ifndef LIBAV_CONFIG_H
3314 #define LIBAV_CONFIG_H
3315 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3316 #define LIBAV_LICENSE "$(c_escape $license)"
3317 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3318 #define CC_TYPE "$cc_type"
3319 #define CC_VERSION $cc_version
3320 #define restrict $_restrict
3321 #define EXTERN_PREFIX "${extern_prefix}"
3322 #define EXTERN_ASM ${extern_prefix}
3323 #define SLIBSUF "$SLIBSUF"
3324 EOF
3325
3326 test -n "$malloc_prefix" &&
3327 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3328
3329 if enabled small || disabled optimizations; then
3330 echo "#undef av_always_inline" >> $TMPH
3331 if enabled small; then
3332 echo "#define av_always_inline inline" >> $TMPH
3333 else
3334 echo "#define av_always_inline av_unused" >> $TMPH
3335 fi
3336 fi
3337
3338 if enabled yasm; then
3339 append config_files $TMPASM
3340 printf '' >$TMPASM
3341 fi
3342
3343 print_config ARCH_ "$config_files" $ARCH_LIST
3344 print_config HAVE_ "$config_files" $HAVE_LIST
3345 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3346 $CONFIG_EXTRA \
3347 $DECODER_LIST \
3348 $ENCODER_LIST \
3349 $HWACCEL_LIST \
3350 $PARSER_LIST \
3351 $BSF_LIST \
3352 $DEMUXER_LIST \
3353 $MUXER_LIST \
3354 $FILTER_LIST \
3355 $PROTOCOL_LIST \
3356 $INDEV_LIST \
3357 $OUTDEV_LIST \
3358
3359 cat >>config.mak <<EOF
3360 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3361 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3362 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3363 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3364 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3365 EOF
3366
3367 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3368
3369 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3370 cp_if_changed $TMPH config.h
3371 touch .config
3372
3373 enabled yasm && cp_if_changed $TMPASM config.asm
3374
3375 cat > $TMPH <<EOF
3376 /* Generated by ffconf */
3377 #ifndef AVUTIL_AVCONFIG_H
3378 #define AVUTIL_AVCONFIG_H
3379 EOF
3380
3381 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3382
3383 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3384
3385 cp_if_changed $TMPH libavutil/avconfig.h
3386
3387 test -n "$WARNINGS" && printf "\n$WARNINGS"
3388
3389 # build pkg-config files
3390
3391 pkgconfig_generate(){
3392 name=$1
3393 shortname=${name#lib}${build_suffix}
3394 comment=$2
3395 version=$3
3396 libs=$4
3397 requires=$5
3398 enabled ${name#lib} || return 0
3399 mkdir -p $name
3400 cat <<EOF > $name/$name.pc
3401 prefix=$prefix
3402 exec_prefix=\${prefix}
3403 libdir=$libdir
3404 includedir=$incdir
3405
3406 Name: $name
3407 Description: $comment
3408 Version: $version
3409 Requires: $(enabled shared || echo $requires)
3410 Requires.private: $(enabled shared && echo $requires)
3411 Conflicts:
3412 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3413 Libs.private: $(enabled shared && echo $libs)
3414 Cflags: -I\${includedir}
3415 EOF
3416 cat <<EOF > $name/$name-uninstalled.pc
3417 prefix=
3418 exec_prefix=
3419 libdir=\${pcfiledir}
3420 includedir=${source_path}
3421
3422 Name: $name
3423 Description: $comment
3424 Version: $version
3425 Requires: $requires
3426 Conflicts:
3427 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3428 Cflags: -I\${includedir}
3429 EOF
3430 }
3431
3432 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3433 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3434 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3435 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3436 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3437 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3438 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"