Move some mpegaudio functions to new mpegaudiodsp subsystem
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --disable-postproc disable libpostproc build
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --disable-vaapi disable VAAPI code
110 --disable-vdpau disable VDPAU code
111 --disable-dxva2 disable DXVA2 code
112 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114 --enable-memalign-hack emulate memalign, interferes with memory debuggers
115 --disable-everything disable all components listed below
116 --disable-encoder=NAME disable encoder NAME
117 --enable-encoder=NAME enable encoder NAME
118 --disable-encoders disable all encoders
119 --disable-decoder=NAME disable decoder NAME
120 --enable-decoder=NAME enable decoder NAME
121 --disable-decoders disable all decoders
122 --disable-hwaccel=NAME disable hwaccel NAME
123 --enable-hwaccel=NAME enable hwaccel NAME
124 --disable-hwaccels disable all hwaccels
125 --disable-muxer=NAME disable muxer NAME
126 --enable-muxer=NAME enable muxer NAME
127 --disable-muxers disable all muxers
128 --disable-demuxer=NAME disable demuxer NAME
129 --enable-demuxer=NAME enable demuxer NAME
130 --disable-demuxers disable all demuxers
131 --enable-parser=NAME enable parser NAME
132 --disable-parser=NAME disable parser NAME
133 --disable-parsers disable all parsers
134 --enable-bsf=NAME enable bitstream filter NAME
135 --disable-bsf=NAME disable bitstream filter NAME
136 --disable-bsfs disable all bitstream filters
137 --enable-protocol=NAME enable protocol NAME
138 --disable-protocol=NAME disable protocol NAME
139 --disable-protocols disable all protocols
140 --disable-indev=NAME disable input device NAME
141 --disable-outdev=NAME disable output device NAME
142 --disable-indevs disable input devices
143 --disable-outdevs disable output devices
144 --disable-devices disable all devices
145 --enable-filter=NAME enable filter NAME
146 --disable-filter=NAME disable filter NAME
147 --disable-filters disable all filters
148 --list-decoders show all available decoders
149 --list-encoders show all available encoders
150 --list-hwaccels show all available hardware accelerators
151 --list-muxers show all available muxers
152 --list-demuxers show all available demuxers
153 --list-parsers show all available parsers
154 --list-protocols show all available protocols
155 --list-bsfs show all available bitstream filters
156 --list-indevs show all available input devices
157 --list-outdevs show all available output devices
158 --list-filters show all available filters
159
160 External library support:
161 --enable-avisynth enable reading of AVISynth script files [no]
162 --enable-bzlib enable bzlib [autodetect]
163 --enable-frei0r enable frei0r video filtering
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libopencv enable video filtering via libopencv [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfreetype enable libfreetype [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
203 --ar=AR use archive tool AR [$ar_default]
204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-avx disable AVX optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240 --disable-symver disable symbol versioning
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
955 mpegaudiodsp
956 network
957 nonfree
958 pic
959 postproc
960 rdft
961 rtpdec
962 runtime_cpudetect
963 shared
964 sinewin
965 small
966 sram
967 static
968 swscale
969 swscale_alpha
970 vaapi
971 vdpau
972 version3
973 x11grab
974 zlib
975 "
976
977 THREADS_LIST='
978 pthreads
979 w32threads
980 '
981
982 ARCH_LIST='
983 alpha
984 arm
985 avr32
986 avr32_ap
987 avr32_uc
988 bfin
989 ia64
990 m68k
991 mips
992 mips64
993 parisc
994 ppc
995 ppc64
996 s390
997 sh4
998 sparc
999 sparc64
1000 tomi
1001 x86
1002 x86_32
1003 x86_64
1004 '
1005
1006 ARCH_EXT_LIST='
1007 altivec
1008 amd3dnow
1009 amd3dnowext
1010 armv5te
1011 armv6
1012 armv6t2
1013 armvfp
1014 avx
1015 iwmmxt
1016 mmi
1017 mmx
1018 mmx2
1019 neon
1020 ppc4xx
1021 sse
1022 ssse3
1023 vis
1024 '
1025
1026 HAVE_LIST_PUB='
1027 bigendian
1028 fast_unaligned
1029 '
1030
1031 HAVE_LIST="
1032 $ARCH_EXT_LIST
1033 $HAVE_LIST_PUB
1034 $THREADS_LIST
1035 aligned_stack
1036 alsa_asoundlib_h
1037 altivec_h
1038 arpa_inet_h
1039 attribute_may_alias
1040 attribute_packed
1041 bswap
1042 closesocket
1043 cmov
1044 dcbzl
1045 dev_bktr_ioctl_bt848_h
1046 dev_bktr_ioctl_meteor_h
1047 dev_ic_bt8xx_h
1048 dev_video_meteor_ioctl_meteor_h
1049 dev_video_bktr_ioctl_bt848_h
1050 dlfcn_h
1051 dlopen
1052 dos_paths
1053 ebp_available
1054 ebx_available
1055 exp2
1056 exp2f
1057 fast_64bit
1058 fast_clz
1059 fast_cmov
1060 fcntl
1061 fork
1062 getaddrinfo
1063 gethrtime
1064 GetProcessMemoryInfo
1065 GetProcessTimes
1066 getrusage
1067 gnu_as
1068 struct_rusage_ru_maxrss
1069 ibm_asm
1070 inet_aton
1071 inline_asm
1072 isatty
1073 ldbrx
1074 libdc1394_1
1075 libdc1394_2
1076 llrint
1077 llrintf
1078 local_aligned_16
1079 local_aligned_8
1080 localtime_r
1081 log2
1082 log2f
1083 loongson
1084 lrint
1085 lrintf
1086 lzo1x_999_compress
1087 machine_ioctl_bt848_h
1088 machine_ioctl_meteor_h
1089 malloc_h
1090 MapViewOfFile
1091 memalign
1092 mkstemp
1093 mmap
1094 pld
1095 posix_memalign
1096 round
1097 roundf
1098 sdl
1099 sdl_video_size
1100 setmode
1101 sndio_h
1102 socklen_t
1103 soundcard_h
1104 poll_h
1105 setrlimit
1106 strerror_r
1107 strtok_r
1108 struct_addrinfo
1109 struct_ipv6_mreq
1110 struct_sockaddr_in6
1111 struct_sockaddr_sa_len
1112 struct_sockaddr_storage
1113 symver
1114 symver_gnu_asm
1115 symver_asm_label
1116 sys_mman_h
1117 sys_resource_h
1118 sys_select_h
1119 sys_soundcard_h
1120 sys_videoio_h
1121 ten_operands
1122 threads
1123 trunc
1124 truncf
1125 vfp_args
1126 VirtualAlloc
1127 winsock2_h
1128 xform_asm
1129 xmm_clobbers
1130 yasm
1131 "
1132
1133 # options emitted with CONFIG_ prefix but not available on command line
1134 CONFIG_EXTRA="
1135 avutil
1136 gplv3
1137 lgplv3
1138 "
1139
1140 CMDLINE_SELECT="
1141 $ARCH_EXT_LIST
1142 $CONFIG_LIST
1143 $THREADS_LIST
1144 asm
1145 cross_compile
1146 debug
1147 extra_warnings
1148 logging
1149 optimizations
1150 symver
1151 yasm
1152 "
1153
1154 PATHS_LIST='
1155 bindir
1156 datadir
1157 incdir
1158 libdir
1159 mandir
1160 prefix
1161 shlibdir
1162 '
1163
1164 CMDLINE_SET="
1165 $PATHS_LIST
1166 ar
1167 arch
1168 as
1169 build_suffix
1170 cc
1171 cpu
1172 cross_prefix
1173 dep_cc
1174 extra_version
1175 host_cc
1176 host_cflags
1177 host_ldflags
1178 host_libs
1179 host_os
1180 ld
1181 logfile
1182 malloc_prefix
1183 nm
1184 pkg_config
1185 samples
1186 source_path
1187 sysinclude
1188 sysroot
1189 target_exec
1190 target_os
1191 target_path
1192 "
1193
1194 CMDLINE_APPEND="
1195 extra_cflags
1196 "
1197
1198 # code dependency declarations
1199
1200 # architecture extensions
1201
1202 armv5te_deps="arm"
1203 armv6_deps="arm"
1204 armv6t2_deps="arm"
1205 armvfp_deps="arm"
1206 iwmmxt_deps="arm"
1207 neon_deps="arm"
1208
1209 mmi_deps="mips"
1210
1211 altivec_deps="ppc"
1212 ppc4xx_deps="ppc"
1213
1214 vis_deps="sparc"
1215
1216 x86_64_suggest="cmov fast_cmov"
1217 amd3dnow_deps="mmx"
1218 amd3dnowext_deps="amd3dnow"
1219 mmx_deps="x86"
1220 mmx2_deps="mmx"
1221 sse_deps="mmx"
1222 ssse3_deps="sse"
1223 avx_deps="ssse3"
1224
1225 aligned_stack_if_any="ppc x86"
1226 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1227 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1228 fast_unaligned_if_any="armv6 ppc x86"
1229
1230 need_memalign="altivec neon sse"
1231 inline_asm_deps="!tms470"
1232
1233 symver_if_any="symver_asm_label symver_gnu_asm"
1234
1235 # subsystems
1236 dct_select="rdft"
1237 mdct_select="fft"
1238 rdft_select="fft"
1239 mpegaudiodsp_select="dct"
1240
1241 # decoders / encoders / hardware accelerators
1242 aac_decoder_select="mdct sinewin"
1243 aac_encoder_select="mdct sinewin"
1244 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1245 ac3_decoder_select="mdct ac3dsp ac3_parser"
1246 ac3_encoder_select="mdct ac3dsp"
1247 ac3_fixed_encoder_select="mdct ac3dsp"
1248 alac_encoder_select="lpc"
1249 amrnb_decoder_select="lsp"
1250 amrwb_decoder_select="lsp"
1251 atrac1_decoder_select="mdct sinewin"
1252 atrac3_decoder_select="mdct"
1253 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1254 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1255 cavs_decoder_select="golomb"
1256 cook_decoder_select="mdct sinewin"
1257 cscd_decoder_suggest="zlib"
1258 dca_decoder_select="mdct"
1259 dnxhd_encoder_select="aandct"
1260 dxa_decoder_select="zlib"
1261 eac3_decoder_select="ac3_decoder"
1262 eamad_decoder_select="aandct"
1263 eatgq_decoder_select="aandct"
1264 eatqi_decoder_select="aandct"
1265 ffv1_decoder_select="golomb"
1266 flac_decoder_select="golomb"
1267 flac_encoder_select="golomb lpc"
1268 flashsv_decoder_select="zlib"
1269 flashsv_encoder_select="zlib"
1270 flv_decoder_select="h263_decoder"
1271 flv_encoder_select="h263_encoder"
1272 fraps_decoder_select="huffman"
1273 h261_encoder_select="aandct"
1274 h263_decoder_select="h263_parser"
1275 h263_encoder_select="aandct"
1276 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1277 h263i_decoder_select="h263_decoder"
1278 h263p_encoder_select="h263_encoder"
1279 h264_decoder_select="golomb h264dsp h264pred"
1280 h264_dxva2_hwaccel_deps="dxva2api_h"
1281 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1282 h264_vaapi_hwaccel_select="vaapi"
1283 h264_vdpau_decoder_select="vdpau h264_decoder"
1284 imc_decoder_select="fft mdct sinewin"
1285 jpegls_decoder_select="golomb"
1286 jpegls_encoder_select="golomb"
1287 ljpeg_encoder_select="aandct"
1288 loco_decoder_select="golomb"
1289 mjpeg_encoder_select="aandct"
1290 mlp_decoder_select="mlp_parser"
1291 mp1_decoder_select="mpegaudiodsp"
1292 mp2_decoder_select="mpegaudiodsp"
1293 mp3adu_decoder_select="mpegaudiodsp"
1294 mp3_decoder_select="mpegaudiodsp"
1295 mp3on4_decoder_select="mpegaudiodsp"
1296 mp1float_decoder_select="mpegaudiodsp"
1297 mp2float_decoder_select="mpegaudiodsp"
1298 mp3adufloat_decoder_select="mpegaudiodsp"
1299 mp3float_decoder_select="mpegaudiodsp"
1300 mp3on4float_decoder_select="mpegaudiodsp"
1301 mpeg1video_encoder_select="aandct"
1302 mpeg2video_encoder_select="aandct"
1303 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1304 mpeg4_encoder_select="h263_encoder"
1305 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1306 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1307 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1308 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1309 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1310 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1311 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1312 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1313 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1314 msmpeg4v1_decoder_select="h263_decoder"
1315 msmpeg4v1_encoder_select="h263_encoder"
1316 msmpeg4v2_decoder_select="h263_decoder"
1317 msmpeg4v2_encoder_select="h263_encoder"
1318 msmpeg4v3_decoder_select="h263_decoder"
1319 msmpeg4v3_encoder_select="h263_encoder"
1320 nellymoser_decoder_select="mdct sinewin"
1321 nellymoser_encoder_select="mdct sinewin"
1322 png_decoder_select="zlib"
1323 png_encoder_select="zlib"
1324 qcelp_decoder_select="lsp"
1325 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1326 ra_144_encoder_select="lpc"
1327 rv10_decoder_select="h263_decoder"
1328 rv10_encoder_select="h263_encoder"
1329 rv20_decoder_select="h263_decoder"
1330 rv20_encoder_select="h263_encoder"
1331 rv30_decoder_select="golomb h264pred"
1332 rv40_decoder_select="golomb h264pred"
1333 shorten_decoder_select="golomb"
1334 sipr_decoder_select="lsp"
1335 snow_decoder_select="dwt"
1336 snow_encoder_select="aandct dwt"
1337 svq1_encoder_select="aandct"
1338 svq3_decoder_select="golomb h264dsp h264pred"
1339 svq3_decoder_suggest="zlib"
1340 theora_decoder_select="vp3_decoder"
1341 tiff_decoder_suggest="zlib"
1342 tiff_encoder_suggest="zlib"
1343 truehd_decoder_select="mlp_decoder"
1344 tscc_decoder_select="zlib"
1345 twinvq_decoder_select="mdct lsp sinewin"
1346 vc1_decoder_select="h263_decoder"
1347 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1348 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1349 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1350 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1351 vorbis_decoder_select="mdct"
1352 vorbis_encoder_select="mdct"
1353 vp6_decoder_select="huffman"
1354 vp6a_decoder_select="vp6_decoder"
1355 vp6f_decoder_select="vp6_decoder"
1356 vp8_decoder_select="h264pred"
1357 wmapro_decoder_select="mdct sinewin"
1358 wmav1_decoder_select="mdct sinewin"
1359 wmav1_encoder_select="mdct sinewin"
1360 wmav2_decoder_select="mdct sinewin"
1361 wmav2_encoder_select="mdct sinewin"
1362 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1363 wmv1_decoder_select="h263_decoder"
1364 wmv1_encoder_select="h263_encoder"
1365 wmv2_decoder_select="h263_decoder"
1366 wmv2_encoder_select="h263_encoder"
1367 wmv3_decoder_select="vc1_decoder"
1368 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1369 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1370 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1371 zlib_decoder_select="zlib"
1372 zlib_encoder_select="zlib"
1373 zmbv_decoder_select="zlib"
1374 zmbv_encoder_select="zlib"
1375
1376 vaapi_deps="va_va_h"
1377 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1378
1379 # parsers
1380 h264_parser_select="golomb h264dsp h264pred"
1381
1382 # external libraries
1383 libdirac_decoder_deps="libdirac !libschroedinger"
1384 libdirac_encoder_deps="libdirac"
1385 libfaac_encoder_deps="libfaac"
1386 libgsm_decoder_deps="libgsm"
1387 libgsm_encoder_deps="libgsm"
1388 libgsm_ms_decoder_deps="libgsm"
1389 libgsm_ms_encoder_deps="libgsm"
1390 libmp3lame_encoder_deps="libmp3lame"
1391 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1392 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1393 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1394 libopenjpeg_decoder_deps="libopenjpeg"
1395 libschroedinger_decoder_deps="libschroedinger"
1396 libschroedinger_encoder_deps="libschroedinger"
1397 libspeex_decoder_deps="libspeex"
1398 libtheora_encoder_deps="libtheora"
1399 libvo_aacenc_encoder_deps="libvo_aacenc"
1400 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1401 libvorbis_encoder_deps="libvorbis"
1402 libvpx_decoder_deps="libvpx"
1403 libvpx_encoder_deps="libvpx"
1404 libx264_encoder_deps="libx264"
1405 libxavs_encoder_deps="libxavs"
1406 libxvid_encoder_deps="libxvid"
1407
1408 # demuxers / muxers
1409 ac3_demuxer_select="ac3_parser"
1410 asf_stream_muxer_select="asf_muxer"
1411 avisynth_demuxer_deps="avisynth"
1412 dirac_demuxer_select="dirac_parser"
1413 eac3_demuxer_select="ac3_parser"
1414 flac_demuxer_select="flac_parser"
1415 ipod_muxer_select="mov_muxer"
1416 libnut_demuxer_deps="libnut"
1417 libnut_muxer_deps="libnut"
1418 matroska_audio_muxer_select="matroska_muxer"
1419 matroska_demuxer_suggest="zlib bzlib"
1420 mov_demuxer_suggest="zlib"
1421 mp3_demuxer_select="mpegaudio_parser"
1422 mp4_muxer_select="mov_muxer"
1423 mpegtsraw_demuxer_select="mpegts_demuxer"
1424 mxf_d10_muxer_select="mxf_muxer"
1425 ogg_demuxer_select="golomb"
1426 psp_muxer_select="mov_muxer"
1427 rtp_demuxer_select="sdp_demuxer"
1428 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1429 rtsp_demuxer_select="http_protocol rtpdec"
1430 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1431 sap_demuxer_select="sdp_demuxer"
1432 sap_muxer_select="rtp_muxer rtp_protocol"
1433 sdp_demuxer_select="rtpdec"
1434 spdif_muxer_select="aac_parser"
1435 tg2_muxer_select="mov_muxer"
1436 tgp_muxer_select="mov_muxer"
1437 w64_demuxer_deps="wav_demuxer"
1438
1439 # indevs / outdevs
1440 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1441 alsa_outdev_deps="alsa_asoundlib_h"
1442 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1443 dv1394_indev_deps="dv1394 dv_demuxer"
1444 fbdev_indev_deps="linux_fb_h"
1445 jack_indev_deps="jack_jack_h"
1446 libdc1394_indev_deps="libdc1394"
1447 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1448 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1449 sndio_indev_deps="sndio_h"
1450 sndio_outdev_deps="sndio_h"
1451 v4l_indev_deps="linux_videodev_h"
1452 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1453 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1454 vfwcap_indev_extralibs="-lavicap32"
1455 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1456 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1457
1458 # protocols
1459 gopher_protocol_deps="network"
1460 http_protocol_deps="network"
1461 http_protocol_select="tcp_protocol"
1462 mmsh_protocol_select="http_protocol"
1463 mmst_protocol_deps="network"
1464 rtmp_protocol_select="tcp_protocol"
1465 rtp_protocol_select="udp_protocol"
1466 tcp_protocol_deps="network"
1467 udp_protocol_deps="network"
1468
1469 # filters
1470 blackframe_filter_deps="gpl"
1471 cropdetect_filter_deps="gpl"
1472 drawtext_filter_deps="libfreetype"
1473 frei0r_filter_deps="frei0r dlopen strtok_r"
1474 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1475 hqdn3d_filter_deps="gpl"
1476 ocv_filter_deps="libopencv"
1477 scale_filter_deps="swscale"
1478 yadif_filter_deps="gpl"
1479
1480 # libraries
1481 avdevice_deps="avcodec avformat"
1482 avformat_deps="avcodec"
1483 postproc_deps="gpl"
1484
1485 # programs
1486 ffmpeg_deps="avcodec avformat swscale"
1487 ffmpeg_select="buffer_filter"
1488 ffplay_deps="avcodec avformat swscale sdl"
1489 ffplay_select="rdft"
1490 ffprobe_deps="avcodec avformat"
1491 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1492 ffserver_extralibs='$ldl'
1493
1494 doc_deps="texi2html"
1495
1496 # tests
1497
1498 test_deps(){
1499 suf1=$1
1500 suf2=$2
1501 shift 2
1502 for v; do
1503 dep=${v%=*}
1504 tests=${v#*=}
1505 for name in ${tests}; do
1506 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1507 done
1508 done
1509 }
1510
1511 set_ne_test_deps(){
1512 eval ${1}_be_test_deps="bigendian"
1513 eval ${1}_le_test_deps="!bigendian"
1514 }
1515
1516 test_deps _encoder _decoder \
1517 adpcm_g726=g726 \
1518 adpcm_ima_qt \
1519 adpcm_ima_wav \
1520 adpcm_ms \
1521 adpcm_swf \
1522 adpcm_yamaha=adpcm_yam \
1523 alac \
1524 asv1 \
1525 asv2 \
1526 bmp \
1527 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1528 dvvideo="dv dv50" \
1529 ffv1 \
1530 flac \
1531 flashsv \
1532 flv \
1533 gif \
1534 h261 \
1535 h263="h263 h263p" \
1536 huffyuv \
1537 jpegls \
1538 mjpeg="jpg mjpeg ljpeg" \
1539 mp2 \
1540 mpeg1video="mpeg mpeg1b" \
1541 mpeg2video="mpeg2 mpeg2thread" \
1542 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1543 msmpeg4v3=msmpeg4 \
1544 msmpeg4v2 \
1545 pbm=pbmpipe \
1546 pcx \
1547 pgm="pgm pgmpipe" \
1548 png \
1549 ppm="ppm ppmpipe" \
1550 rawvideo="rgb yuv" \
1551 roq \
1552 rv10 \
1553 rv20 \
1554 sgi \
1555 snow="snow snowll" \
1556 svq1 \
1557 targa=tga \
1558 tiff \
1559 wmav1 \
1560 wmav2 \
1561 wmv1 \
1562 wmv2 \
1563
1564 test_deps _muxer _demuxer \
1565 aiff \
1566 pcm_alaw=alaw \
1567 asf \
1568 au \
1569 avi \
1570 dv=dv_fmt \
1571 ffm \
1572 flv=flv_fmt \
1573 gxf \
1574 matroska=mkv \
1575 mmf \
1576 mov \
1577 pcm_mulaw=mulaw \
1578 mxf \
1579 nut \
1580 ogg \
1581 rawvideo=pixfmt \
1582 rm \
1583 swf \
1584 mpegts=ts \
1585 voc \
1586 wav \
1587 yuv4mpegpipe=yuv4mpeg \
1588
1589 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1590 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1591
1592 set_ne_test_deps pixdesc
1593 set_ne_test_deps pixfmts_copy
1594 set_ne_test_deps pixfmts_crop
1595 set_ne_test_deps pixfmts_hflip
1596 set_ne_test_deps pixfmts_null
1597 set_ne_test_deps pixfmts_pad
1598 set_ne_test_deps pixfmts_scale
1599 set_ne_test_deps pixfmts_vflip
1600
1601 # default parameters
1602
1603 logfile="config.log"
1604
1605 # installation paths
1606 prefix_default="/usr/local"
1607 bindir_default='${prefix}/bin'
1608 datadir_default='${prefix}/share/ffmpeg'
1609 incdir_default='${prefix}/include'
1610 libdir_default='${prefix}/lib'
1611 mandir_default='${prefix}/share/man'
1612 shlibdir_default="$libdir_default"
1613
1614 # toolchain
1615 ar_default="ar"
1616 cc_default="gcc"
1617 cc_version=\"unknown\"
1618 host_cc_default="gcc"
1619 ln_s="ln -sf"
1620 nm_default="nm"
1621 objformat="elf"
1622 pkg_config_default=pkg-config
1623 ranlib="ranlib"
1624 yasmexe="yasm"
1625 nogas=":"
1626
1627 nm_opts='-g'
1628
1629 # machine
1630 arch_default=$(uname -m)
1631 cpu="generic"
1632
1633 # OS
1634 target_os_default=$(tolower $(uname -s))
1635 host_os=$target_os_default
1636
1637 # configurable options
1638 enable avcodec
1639 enable avdevice
1640 enable avfilter
1641 enable avformat
1642 enable avutil
1643 enable asm
1644 enable debug
1645 enable doc
1646 enable fastdiv
1647 enable ffmpeg
1648 enable ffplay
1649 enable ffprobe
1650 enable ffserver
1651 enable network
1652 enable optimizations
1653 enable postproc
1654 enable protocols
1655 enable static
1656 enable swscale
1657 enable swscale_alpha
1658
1659 # build settings
1660 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1661 FFSERVERLDFLAGS=-Wl,-E
1662 LIBPREF="lib"
1663 LIBSUF=".a"
1664 FULLNAME='$(NAME)$(BUILDSUF)'
1665 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1666 SLIBPREF="lib"
1667 SLIBSUF=".so"
1668 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1669 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1670 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1671 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1672
1673 CC_O='-o $@'
1674
1675 host_cflags='-D_ISOC99_SOURCE -O3 -g -Wall'
1676 host_libs='-lm'
1677
1678 target_path='$(CURDIR)'
1679
1680 # since the object filename is not given with the -MM flag, the compiler
1681 # is only able to print the basename, and we must add the path ourselves
1682 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1683 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1684
1685 # find source path
1686 source_path="$(dirname "$0")"
1687 enable source_path_used
1688 if test -f configure; then
1689 source_path="$(pwd)"
1690 disable source_path_used
1691 else
1692 source_path="$(cd "$source_path"; pwd)"
1693 echo "$source_path" | grep -q '[[:blank:]]' &&
1694 die "Out of tree builds are impossible with whitespace in source path."
1695 test -e "$source_path/config.h" &&
1696 die "Out of tree builds are impossible with config.h in source dir."
1697 fi
1698
1699 for v in "$@"; do
1700 r=${v#*=}
1701 l=${v%"$r"}
1702 r=$(sh_quote "$r")
1703 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1704 done
1705
1706 find_things(){
1707 thing=$1
1708 pattern=$2
1709 file=$source_path/$3
1710 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1711 }
1712
1713 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1714 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1715 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1716 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1717 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1718 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1719 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1720 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1721 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1722 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1723 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1724
1725 find_tests(){
1726 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1727 }
1728
1729 ACODEC_TESTS=$(find_tests acodec)
1730 VCODEC_TESTS=$(find_tests vsynth1)
1731 LAVF_TESTS=$(find_tests lavf)
1732 LAVFI_TESTS=$(find_tests lavfi)
1733 SEEK_TESTS=$(find_tests seek seek_)
1734
1735 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1736
1737 for n in $COMPONENT_LIST; do
1738 v=$(toupper ${n%s})_LIST
1739 eval enable \$$v
1740 eval ${n}_if_any="\$$v"
1741 done
1742
1743 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1744
1745 die_unknown(){
1746 echo "Unknown option \"$1\"."
1747 echo "See $0 --help for available options."
1748 exit 1
1749 }
1750
1751 show_list() {
1752 suffix=_$1
1753 shift
1754 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1755 exit 0
1756 }
1757
1758 for opt do
1759 optval="${opt#*=}"
1760 case "$opt" in
1761 --extra-ldflags=*) add_ldflags $optval
1762 ;;
1763 --extra-libs=*) add_extralibs $optval
1764 ;;
1765 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1766 ;;
1767 --enable-debug=*) debuglevel="$optval"
1768 ;;
1769 --disable-everything)
1770 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1771 ;;
1772 --enable-*=*|--disable-*=*)
1773 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1774 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1775 eval list=\$$(toupper $thing)_LIST
1776 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1777 $action $(filter "$name" $list)
1778 ;;
1779 --enable-?*|--disable-?*)
1780 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1781 if is_in $option $COMPONENT_LIST; then
1782 test $action = disable && action=unset
1783 eval $action \$$(toupper ${option%s})_LIST
1784 elif is_in $option $CMDLINE_SELECT; then
1785 $action $option
1786 else
1787 die_unknown $opt
1788 fi
1789 ;;
1790 --list-*)
1791 NAME="${opt#--list-}"
1792 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1793 NAME=${NAME%s}
1794 eval show_list $NAME \$$(toupper $NAME)_LIST
1795 ;;
1796 --help|-h) show_help
1797 ;;
1798 *)
1799 optname="${opt%%=*}"
1800 optname="${optname#--}"
1801 optname=$(echo "$optname" | sed 's/-/_/g')
1802 if is_in $optname $CMDLINE_SET; then
1803 eval $optname='$optval'
1804 elif is_in $optname $CMDLINE_APPEND; then
1805 append $optname "$optval"
1806 else
1807 die_unknown $opt
1808 fi
1809 ;;
1810 esac
1811 done
1812
1813 disabled logging && logfile=/dev/null
1814
1815 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1816 set >> $logfile
1817
1818 test -n "$cross_prefix" && enable cross_compile
1819
1820 if enabled cross_compile; then
1821 test -n "$arch" && test -n "$target_os" ||
1822 die "Must specify target arch and OS when cross-compiling"
1823 fi
1824
1825 set_default arch target_os
1826
1827 ar_default="${cross_prefix}${ar_default}"
1828 cc_default="${cross_prefix}${cc_default}"
1829 nm_default="${cross_prefix}${nm_default}"
1830 pkg_config_default="${cross_prefix}${pkg_config_default}"
1831 ranlib="${cross_prefix}${ranlib}"
1832
1833 sysinclude_default="${sysroot}/usr/include"
1834
1835 set_default cc nm pkg_config sysinclude
1836 enabled cross_compile || host_cc_default=$cc
1837 set_default host_cc
1838
1839 if ! $pkg_config --version >/dev/null 2>&1; then
1840 warn "$pkg_config not found, library detection may fail."
1841 pkg_config=false
1842 fi
1843
1844 exesuf() {
1845 case $1 in
1846 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1847 esac
1848 }
1849
1850 EXESUF=$(exesuf $target_os)
1851 HOSTEXESUF=$(exesuf $host_os)
1852
1853 # set temporary file name
1854 : ${TMPDIR:=$TEMPDIR}
1855 : ${TMPDIR:=$TMP}
1856 : ${TMPDIR:=/tmp}
1857
1858 if ! check_cmd mktemp -u XXXXXX; then
1859 # simple replacement for missing mktemp
1860 # NOT SAFE FOR GENERAL USE
1861 mktemp(){
1862 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1863 }
1864 fi
1865
1866 tmpfile(){
1867 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1868 (set -C; exec > $tmp) 2>/dev/null ||
1869 die "Unable to create temporary file in $TMPDIR."
1870 append TMPFILES $tmp
1871 eval $1=$tmp
1872 }
1873
1874 trap 'rm -f -- $TMPFILES' EXIT
1875
1876 tmpfile TMPC .c
1877 tmpfile TMPE $EXESUF
1878 tmpfile TMPH .h
1879 tmpfile TMPO .o
1880 tmpfile TMPS .S
1881 tmpfile TMPV .ver
1882 tmpfile TMPSH .sh
1883 tmpfile TMPASM .asm
1884
1885 unset -f mktemp
1886
1887 chmod +x $TMPE
1888
1889 # make sure we can execute files in $TMPDIR
1890 cat > $TMPSH 2>> $logfile <<EOF
1891 #! /bin/sh
1892 EOF
1893 chmod +x $TMPSH >> $logfile 2>&1
1894 if ! $TMPSH >> $logfile 2>&1; then
1895 cat <<EOF
1896 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1897 variable to another directory and make sure that it is not mounted noexec.
1898 EOF
1899 die "Sanity test failed."
1900 fi
1901
1902 filter_cflags=echo
1903 filter_cppflags=echo
1904 filter_asflags=echo
1905
1906 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1907 cc_type=llvm_gcc
1908 cc_version=__VERSION__
1909 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1910 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1911 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1912 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1913 speed_cflags='-O3'
1914 size_cflags='-Os'
1915 elif $cc -v 2>&1 | grep -qi ^gcc; then
1916 cc_type=gcc
1917 cc_version=__VERSION__
1918 gcc_version=$($cc --version | head -n1)
1919 gcc_basever=$($cc -dumpversion)
1920 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1921 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1922 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1923 if ! $cc -dumpversion | grep -q '^2\.'; then
1924 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1925 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1926 fi
1927 speed_cflags='-O3'
1928 size_cflags='-Os'
1929 elif $cc --version 2>/dev/null | grep -q Intel; then
1930 cc_type=icc
1931 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1932 cc_ident=$($cc --version | head -n1)
1933 icc_version=$($cc -dumpversion)
1934 CC_DEPFLAGS='-MMD'
1935 AS_DEPFLAGS='-MMD'
1936 speed_cflags='-O3'
1937 size_cflags='-Os'
1938 noopt_cflags='-O1'
1939 elif $cc -v 2>&1 | grep -q xlc; then
1940 cc_type=xlc
1941 cc_version="AV_STRINGIFY(__IBMC__)"
1942 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1943 speed_cflags='-O5'
1944 size_cflags='-O5 -qcompact'
1945 elif $cc -V 2>/dev/null | grep -q Compaq; then
1946 cc_type=ccc
1947 cc_version="AV_STRINGIFY(__DECC_VER)"
1948 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1949 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1950 debuglevel=3
1951 add_ldflags -Wl,-z,now # calls to libots crash without this
1952 speed_cflags='-fast'
1953 size_cflags='-O1'
1954 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1955 test -d "$sysroot" || die "No valid sysroot specified."
1956 cc_type=armcc
1957 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1958 cc_ident=$($cc --vsn | head -n1)
1959 armcc_conf="$PWD/armcc.conf"
1960 $cc --arm_linux_configure \
1961 --arm_linux_config_file="$armcc_conf" \
1962 --configure_sysroot="$sysroot" \
1963 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1964 die "Error creating armcc configuration file."
1965 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1966 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1967 as_default="${cross_prefix}gcc"
1968 CC_DEPFLAGS='-MMD'
1969 AS_DEPFLAGS='-MMD'
1970 speed_cflags='-O3'
1971 size_cflags='-Os'
1972 filter_asflags="filter_out -W${armcc_opt}*"
1973 elif $cc -version 2>/dev/null | grep -q TMS470; then
1974 cc_type=tms470
1975 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1976 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1977 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1978 CC_O='-fr=$(@D)'
1979 as_default="${cross_prefix}gcc"
1980 ld_default="${cross_prefix}gcc"
1981 TMPO=$(basename $TMPC .c).o
1982 append TMPFILES $TMPO
1983 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1984 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1985 AS_DEPFLAGS='-MMD'
1986 speed_cflags='-O3 -mf=5'
1987 size_cflags='-O3 -mf=2'
1988 filter_cflags=tms470_flags
1989 tms470_flags(){
1990 for flag; do
1991 case $flag in
1992 -march=*|-mcpu=*)
1993 case "${flag#*=}" in
1994 armv7-a|cortex-a*) echo -mv=7a8 ;;
1995 armv7-r|cortex-r*) echo -mv=7r4 ;;
1996 armv7-m|cortex-m*) echo -mv=7m3 ;;
1997 armv6*|arm11*) echo -mv=6 ;;
1998 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1999 echo -mv=5e ;;
2000 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2001 esac
2002 ;;
2003 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2004 -mfpu=vfp) echo --float_support=vfpv2 ;;
2005 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2006 -msoft-float) echo --float_support=vfplib ;;
2007 -O[0-3]|-mf=*) echo $flag ;;
2008 -g) echo -g -mn ;;
2009 -pds=*) echo $flag ;;
2010 esac
2011 done
2012 }
2013 elif $cc -v 2>&1 | grep -q clang; then
2014 cc_type=clang
2015 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2016 cc_version=__clang_version__ || cc_version=__VERSION__
2017 cc_ident=$($cc --version | head -n1)
2018 CC_DEPFLAGS='-MMD'
2019 AS_DEPFLAGS='-MMD'
2020 speed_cflags='-O3'
2021 size_cflags='-Os'
2022 elif $cc -V 2>&1 | grep -q Sun; then
2023 cc_type=suncc
2024 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2025 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2026 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2027 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2028 speed_cflags='-O5'
2029 size_cflags='-O5 -xspace'
2030 filter_cflags=suncc_flags
2031 suncc_flags(){
2032 for flag; do
2033 case $flag in
2034 -march=*|-mcpu=*)
2035 case "${flag#*=}" in
2036 native) echo -xtarget=native ;;
2037 v9|niagara) echo -xarch=sparc ;;
2038 ultrasparc) echo -xarch=sparcvis ;;
2039 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2040 i586|pentium) echo -xchip=pentium ;;
2041 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2042 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2043 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2044 pentium4*) echo -xtarget=pentium4 ;;
2045 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2046 *-sse3) echo -xarch=sse3 ;;
2047 core2) echo -xarch=ssse3 -xchip=core2 ;;
2048 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2049 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2050 k8|opteron|athlon64|athlon-fx)
2051 echo -xarch=sse2a ;;
2052 athlon*) echo -xarch=pentium_proa ;;
2053 esac
2054 ;;
2055 -std=c99) echo -xc99 ;;
2056 -fomit-frame-pointer) echo -xregs=frameptr ;;
2057 -fPIC) echo -KPIC -xcode=pic32 ;;
2058 -W*,*) echo $flag ;;
2059 -f*-*|-W*) ;;
2060 *) echo $flag ;;
2061 esac
2062 done
2063 }
2064 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2065 cc_type=pathscale
2066 cc_version=__PATHSCALE__
2067 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2068 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2069 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2070 speed_cflags='-O2'
2071 size_cflags='-Os'
2072 elif $cc -v 2>&1 | grep -q Open64; then
2073 cc_type=open64
2074 cc_version=__OPEN64__
2075 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2076 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2077 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2078 speed_cflags='-O2'
2079 size_cflags='-Os'
2080 fi
2081
2082 test -n "$cc_type" && enable $cc_type ||
2083 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2084
2085 : ${as_default:=$cc}
2086 : ${dep_cc_default:=$cc}
2087 : ${ld_default:=$cc}
2088 set_default ar as dep_cc ld
2089
2090 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2091 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2092
2093 add_cflags $extra_cflags
2094 add_asflags $extra_cflags
2095
2096 if test -n "$sysroot"; then
2097 case "$cc_type" in
2098 gcc|llvm_gcc|clang)
2099 add_cppflags --sysroot="$sysroot"
2100 add_ldflags --sysroot="$sysroot"
2101 ;;
2102 tms470)
2103 add_cppflags -I"$sysinclude"
2104 add_ldflags --sysroot="$sysroot"
2105 ;;
2106 esac
2107 fi
2108
2109 if test "$cpu" = host; then
2110 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2111
2112 case "$cc_type" in
2113 gcc|llvm_gcc)
2114 check_native(){
2115 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2116 sed -n "/$1=/{
2117 s/.*$1=\\([^ ]*\\).*/\\1/
2118 p
2119 q
2120 }" $TMPE
2121 }
2122 cpu=$(check_native -march || check_native -mcpu)
2123 ;;
2124 esac
2125
2126 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2127 fi
2128
2129 # Deal with common $arch aliases
2130 case "$arch" in
2131 arm*)
2132 arch="arm"
2133 ;;
2134 mips|mipsel|IP*)
2135 arch="mips"
2136 ;;
2137 mips64*)
2138 arch="mips"
2139 subarch="mips64"
2140 ;;
2141 parisc|hppa)
2142 arch="parisc"
2143 ;;
2144 parisc64|hppa64)
2145 arch="parisc"
2146 subarch="parisc64"
2147 ;;
2148 "Power Macintosh"|ppc|powerpc)
2149 arch="ppc"
2150 ;;
2151 ppc64|powerpc64)
2152 arch="ppc"
2153 subarch="ppc64"
2154 ;;
2155 s390|s390x)
2156 arch="s390"
2157 ;;
2158 sh4|sh)
2159 arch="sh4"
2160 ;;
2161 sun4u|sparc64)
2162 arch="sparc"
2163 subarch="sparc64"
2164 ;;
2165 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2166 arch="x86"
2167 ;;
2168 esac
2169
2170 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2171 enable $arch
2172
2173 # Add processor-specific flags
2174 if test "$cpu" = generic; then
2175 : do nothing
2176 elif enabled ppc; then
2177
2178 case $(tolower $cpu) in
2179 601|ppc601|powerpc601)
2180 cpuflags="-mcpu=601"
2181 disable altivec
2182 ;;
2183 603*|ppc603*|powerpc603*)
2184 cpuflags="-mcpu=603"
2185 disable altivec
2186 ;;
2187 604*|ppc604*|powerpc604*)
2188 cpuflags="-mcpu=604"
2189 disable altivec
2190 ;;
2191 g3|75*|ppc75*|powerpc75*)
2192 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2193 disable altivec
2194 ;;
2195 g4|745*|ppc745*|powerpc745*)
2196 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2197 ;;
2198 74*|ppc74*|powerpc74*)
2199 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2200 ;;
2201 g5|970|ppc970|powerpc970|power4*)
2202 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2203 ;;
2204 cell)
2205 cpuflags="-mcpu=cell"
2206 enable ldbrx
2207 ;;
2208 e500v2)
2209 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2210 disable altivec
2211 ;;
2212 e500)
2213 cpuflags="-mcpu=8540 -mhard-float"
2214 disable altivec
2215 ;;
2216 esac
2217
2218 elif enabled x86; then
2219
2220 case $cpu in
2221 i[345]86|pentium)
2222 cpuflags="-march=$cpu"
2223 disable mmx
2224 ;;
2225 # targets that do NOT support conditional mov (cmov)
2226 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2227 cpuflags="-march=$cpu"
2228 disable cmov
2229 ;;
2230 # targets that do support conditional mov (cmov)
2231 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2232 cpuflags="-march=$cpu"
2233 enable cmov
2234 enable fast_cmov
2235 ;;
2236 # targets that do support conditional mov but on which it's slow
2237 pentium4|pentium4m|prescott|nocona)
2238 cpuflags="-march=$cpu"
2239 enable cmov
2240 disable fast_cmov
2241 ;;
2242 esac
2243
2244 elif enabled sparc; then
2245
2246 case $cpu in
2247 niagara)
2248 cpuflags="-mcpu=$cpu"
2249 disable vis
2250 ;;
2251 sparc64)
2252 cpuflags="-mcpu=v9"
2253 ;;
2254 esac
2255
2256 elif enabled arm; then
2257
2258 case $cpu in
2259 armv*)
2260 cpuflags="-march=$cpu"
2261 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2262 ;;
2263 *)
2264 cpuflags="-mcpu=$cpu"
2265 case $cpu in
2266 cortex-a*) subarch=armv7a ;;
2267 cortex-r*) subarch=armv7r ;;
2268 cortex-m*) subarch=armv7m ;;
2269 arm11*) subarch=armv6 ;;
2270 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2271 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2272 esac
2273 ;;
2274 esac
2275
2276 elif enabled alpha; then
2277
2278 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2279
2280 elif enabled bfin; then
2281
2282 cpuflags="-mcpu=$cpu"
2283
2284 elif enabled mips; then
2285
2286 cpuflags="-march=$cpu"
2287
2288 elif enabled avr32; then
2289
2290 case $cpu in
2291 ap7[02]0[0-2])
2292 subarch="avr32_ap"
2293 cpuflags="-mpart=$cpu"
2294 ;;
2295 ap)
2296 subarch="avr32_ap"
2297 cpuflags="-march=$cpu"
2298 ;;
2299 uc3[ab]*)
2300 subarch="avr32_uc"
2301 cpuflags="-mcpu=$cpu"
2302 ;;
2303 uc)
2304 subarch="avr32_uc"
2305 cpuflags="-march=$cpu"
2306 ;;
2307 esac
2308
2309 fi
2310
2311 add_cflags $cpuflags
2312 add_asflags $cpuflags
2313
2314 # compiler sanity check
2315 check_exec <<EOF
2316 int main(void){ return 0; }
2317 EOF
2318 if test "$?" != 0; then
2319 echo "$cc is unable to create an executable file."
2320 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2321 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2322 echo "Only do this if you know what cross compiling means."
2323 fi
2324 die "C compiler test failed."
2325 fi
2326
2327 add_cppflags -D_ISOC99_SOURCE
2328 check_cflags -std=c99
2329 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2330 #include <stdlib.h>
2331 EOF
2332 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2333 #include <stdlib.h>
2334 EOF
2335
2336 check_host_cflags -std=c99
2337
2338 case "$arch" in
2339 alpha|ia64|mips|parisc|sparc)
2340 spic=$shared
2341 ;;
2342 x86)
2343 subarch="x86_32"
2344 check_cc <<EOF && subarch="x86_64"
2345 int test[(int)sizeof(char*) - 7];
2346 EOF
2347 if test "$subarch" = "x86_64"; then
2348 spic=$shared
2349 fi
2350 ;;
2351 esac
2352
2353 enable $subarch
2354 enabled spic && enable pic
2355
2356 # OS specific
2357 case $target_os in
2358 haiku)
2359 prefix_default="/boot/common"
2360 network_extralibs="-lnetwork"
2361 host_libs=
2362 ;;
2363 sunos)
2364 FFSERVERLDFLAGS=""
2365 SHFLAGS='-shared -Wl,-h,$$(@F)'
2366 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2367 network_extralibs="-lsocket -lnsl"
2368 add_cppflags -D__EXTENSIONS__
2369 nm_opts='-P -g'
2370 ;;
2371 netbsd)
2372 disable symver
2373 oss_indev_extralibs="-lossaudio"
2374 oss_outdev_extralibs="-lossaudio"
2375 ;;
2376 openbsd)
2377 enable malloc_aligned
2378 # On OpenBSD 4.5. the compiler does not use PIC unless
2379 # explicitly using -fPIC. Libav builds fine without PIC,
2380 # however the generated executable will not do anything
2381 # (simply quits with exit-code 1, no crash, no output).
2382 # Thus explicitly enable PIC here.
2383 enable pic
2384 disable symver
2385 SHFLAGS='-shared'
2386 oss_indev_extralibs="-lossaudio"
2387 oss_outdev_extralibs="-lossaudio"
2388 ;;
2389 dragonfly)
2390 enable malloc_aligned
2391 disable symver
2392 ;;
2393 freebsd)
2394 enable malloc_aligned
2395 ;;
2396 bsd/os)
2397 add_extralibs -lpoll -lgnugetopt
2398 ;;
2399 darwin)
2400 enable malloc_aligned
2401 gas="gas-preprocessor.pl $cc"
2402 enabled ppc && add_asflags -force_cpusubtype_ALL
2403 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2404 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2405 add_ldflags -Wl,-dynamic,-search_paths_first
2406 SLIBSUF=".dylib"
2407 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2408 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2409 FFSERVERLDFLAGS=-Wl,-bind_at_load
2410 objformat="macho"
2411 enabled x86_64 && objformat="macho64"
2412 enabled_any pic shared ||
2413 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2414 ;;
2415 mingw32*)
2416 if test $target_os = "mingw32ce"; then
2417 disable network
2418 else
2419 target_os=mingw32
2420 fi
2421 LIBTARGET=i386
2422 if enabled x86_64; then
2423 enable malloc_aligned
2424 LIBTARGET="i386:x86-64"
2425 elif enabled arm; then
2426 LIBTARGET=arm-wince
2427 fi
2428 shlibdir_default="$bindir_default"
2429 SLIBPREF=""
2430 SLIBSUF=".dll"
2431 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2432 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2433 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2434 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2435 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2436 install -d "$(LIBDIR)"; \
2437 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2438 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2439 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'
2440 objformat="win32"
2441 dlltool="${cross_prefix}dlltool"
2442 enable dos_paths
2443 check_cflags -fno-common
2444 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2445 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2446 die "ERROR: MinGW runtime version must be >= 3.15."
2447 add_cppflags -U__STRICT_ANSI__
2448 ;;
2449 cygwin*)
2450 target_os=cygwin
2451 shlibdir_default="$bindir_default"
2452 SLIBPREF="cyg"
2453 SLIBSUF=".dll"
2454 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2455 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2456 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2457 objformat="win32"
2458 enable dos_paths
2459 check_cflags -fno-common
2460 ;;
2461 *-dos|freedos|opendos)
2462 network_extralibs="-lsocket"
2463 objformat="coff"
2464 enable dos_paths
2465 ;;
2466 linux)
2467 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2468 enable dv1394
2469 ;;
2470 irix*)
2471 target_os=irix
2472 ranlib="echo ignoring ranlib"
2473 ;;
2474 os/2*)
2475 ln_s="cp -f"
2476 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2477 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2478 FFSERVERLDFLAGS=""
2479 LIBSUF="_s.a"
2480 SLIBPREF=""
2481 SLIBSUF=".dll"
2482 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2483 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2484 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2485 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2486 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2487 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2488 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2489 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2490 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2491 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2492 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2493 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2494 enable dos_paths
2495 ;;
2496 gnu/kfreebsd)
2497 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2498 ;;
2499 gnu)
2500 ;;
2501 qnx)
2502 add_cppflags -D_QNX_SOURCE
2503 network_extralibs="-lsocket"
2504 ;;
2505 symbian)
2506 SLIBSUF=".dll"
2507 enable dos_paths
2508 add_cflags --include=$sysinclude/gcce/gcce.h
2509 ;;
2510 none)
2511 ;;
2512 *)
2513 die "Unknown OS '$target_os'."
2514 ;;
2515 esac
2516
2517 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2518
2519 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2520
2521 set_default $PATHS_LIST
2522
2523 # we need to build at least one lib type
2524 if ! enabled_any static shared; then
2525 cat <<EOF
2526 At least one library type must be built.
2527 Specify --enable-static to build the static libraries or --enable-shared to
2528 build the shared libraries as well. To only build the shared libraries specify
2529 --disable-static in addition to --enable-shared.
2530 EOF
2531 exit 1;
2532 fi
2533
2534 disabled static && LIBNAME=""
2535
2536 die_license_disabled() {
2537 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2538 }
2539
2540 die_license_disabled gpl libx264
2541 die_license_disabled gpl libxavs
2542 die_license_disabled gpl libxvid
2543 die_license_disabled gpl x11grab
2544
2545 die_license_disabled nonfree libfaac
2546
2547 die_license_disabled version3 libopencore_amrnb
2548 die_license_disabled version3 libopencore_amrwb
2549 die_license_disabled version3 libvo_aacenc
2550 die_license_disabled version3 libvo_amrwbenc
2551
2552 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2553
2554 disabled optimizations || check_cflags -fomit-frame-pointer
2555
2556 enable_pic() {
2557 enable pic
2558 add_cppflags -DPIC
2559 add_cflags -fPIC
2560 add_asflags -fPIC
2561 }
2562
2563 enabled pic && enable_pic
2564
2565 check_cc <<EOF || die "Symbol mangling check failed."
2566 int ff_extern;
2567 EOF
2568 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2569 extern_prefix=${sym%%ff_extern*}
2570
2571 check_cc <<EOF && enable inline_asm
2572 void foo(void) { __asm__ volatile ("" ::); }
2573 EOF
2574
2575 _restrict=
2576 for restrict_keyword in restrict __restrict__ __restrict; do
2577 check_cc <<EOF && _restrict=$restrict_keyword && break
2578 void foo(char * $restrict_keyword p);
2579 EOF
2580 done
2581
2582 check_cc <<EOF && enable attribute_packed
2583 struct { int x; } __attribute__((packed)) x;
2584 EOF
2585
2586 check_cc <<EOF && enable attribute_may_alias
2587 union { int x; } __attribute__((may_alias)) x;
2588 EOF
2589
2590 check_cc <<EOF || die "endian test failed"
2591 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2592 EOF
2593 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2594
2595 if enabled alpha; then
2596
2597 check_cflags -mieee
2598
2599 elif enabled arm; then
2600
2601 check_cflags -marm
2602 nogas=die
2603
2604 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2605 enable vfp_args
2606 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2607 case "${cross_prefix:-$cc}" in
2608 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2609 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2610 __asm__ (".eabi_attribute 28, 1");
2611 int main(void) { return 0; }
2612 EOF
2613 esac
2614 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2615 fi
2616
2617 # We have to check if pld is a nop and disable it.
2618 check_asm pld '"pld [r0]"'
2619
2620 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2621 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2622 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2623 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2624 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2625 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2626
2627 enabled_all armv6t2 shared !pic && enable_pic
2628
2629 elif enabled mips; then
2630
2631 check_asm loongson '"dmult.g $1, $2, $3"'
2632 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2633
2634 elif enabled ppc; then
2635
2636 enable local_aligned_8 local_aligned_16
2637
2638 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2639 check_asm ibm_asm '"add 0, 0, 0"'
2640 check_asm ppc4xx '"maclhw r10, r11, r12"'
2641 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2642
2643 # AltiVec flags: The FSF version of GCC differs from the Apple version
2644 if enabled altivec; then
2645 nogas=warn
2646 check_cflags -maltivec -mabi=altivec &&
2647 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2648 check_cflags -faltivec
2649
2650 # check if our compiler supports Motorola AltiVec C API
2651 check_cc <<EOF || disable altivec
2652 $inc_altivec_h
2653 int main(void) {
2654 vector signed int v1, v2, v3;
2655 v1 = vec_add(v2,v3);
2656 return 0;
2657 }
2658 EOF
2659
2660 # check if our compiler supports braces for vector declarations
2661 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2662 $inc_altivec_h
2663 int main (void) { (vector int) {1}; return 0; }
2664 EOF
2665 fi
2666
2667 elif enabled sparc; then
2668
2669 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2670 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2671
2672 elif enabled x86; then
2673
2674 enable local_aligned_8 local_aligned_16
2675
2676 # check whether EBP is available on x86
2677 # As 'i' is stored on the stack, this program will crash
2678 # if the base pointer is used to access it because the
2679 # base pointer is cleared in the inline assembly code.
2680 check_exec_crash <<EOF && enable ebp_available
2681 volatile int i=0;
2682 __asm__ volatile (
2683 "xorl %%ebp, %%ebp"
2684 ::: "%ebp");
2685 return i;
2686 EOF
2687
2688 # check whether EBX is available on x86
2689 check_asm ebx_available '""::"b"(0)' &&
2690 check_asm ebx_available '"":::"%ebx"'
2691
2692 # check whether xmm clobbers are supported
2693 check_asm xmm_clobbers '"":::"%xmm0"'
2694
2695 # check whether more than 10 operands are supported
2696 check_cc <<EOF && enable ten_operands
2697 int main(void) {
2698 int x=0;
2699 __asm__ volatile(
2700 ""
2701 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2702 );
2703 return 0;
2704 }
2705 EOF
2706
2707 # check whether binutils is new enough to compile SSSE3/MMX2
2708 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2709 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2710
2711 check_asm bswap '"bswap %%eax" ::: "%eax"'
2712
2713 if ! disabled_any asm mmx yasm; then
2714 if check_cmd $yasmexe --version; then
2715 enabled x86_64 && yasm_extra="-m amd64"
2716 yasm_debug="-g dwarf2"
2717 elif check_cmd nasm -v; then
2718 yasmexe=nasm
2719 yasm_debug="-g -F dwarf"
2720 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2721 fi
2722
2723 YASMFLAGS="-f $objformat $yasm_extra"
2724 enabled pic && append YASMFLAGS "-DPIC"
2725 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2726 case "$objformat" in
2727 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2728 esac
2729
2730 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2731 die "yasm not found, use --disable-yasm for a crippled build"
2732 check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2733 fi
2734
2735 case "$cpu" in
2736 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2737 disable fast_clz
2738 ;;
2739 esac
2740
2741 fi
2742
2743 if enabled asm; then
2744 as=${gas:=$as}
2745 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2746 $nogas "GNU assembler not found, install gas-preprocessor"
2747 fi
2748
2749 check_ldflags -Wl,--as-needed
2750
2751 if check_func dlopen; then
2752 ldl=
2753 elif check_func dlopen -ldl; then
2754 ldl=-ldl
2755 fi
2756
2757 if enabled network; then
2758 check_type "sys/types.h sys/socket.h" socklen_t
2759 check_type netdb.h "struct addrinfo"
2760 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2761 check_type netinet/in.h "struct sockaddr_in6"
2762 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2763 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2764 # Prefer arpa/inet.h over winsock2
2765 if check_header arpa/inet.h ; then
2766 check_func closesocket
2767 elif check_header winsock2.h ; then
2768 check_func_headers winsock2.h closesocket -lws2 && \
2769 network_extralibs="-lws2" || \
2770 { check_func_headers winsock2.h closesocket -lws2_32 && \
2771 network_extralibs="-lws2_32"; }
2772 check_type ws2tcpip.h socklen_t
2773 check_type ws2tcpip.h "struct addrinfo"
2774 check_type ws2tcpip.h "struct ipv6_mreq"
2775 check_type ws2tcpip.h "struct sockaddr_in6"
2776 check_type ws2tcpip.h "struct sockaddr_storage"
2777 check_struct winsock2.h "struct sockaddr" sa_len
2778 else
2779 disable network
2780 fi
2781 fi
2782
2783 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2784 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2785
2786 check_func fcntl
2787 check_func fork
2788 check_func getaddrinfo $network_extralibs
2789 check_func gethrtime
2790 check_func getrusage
2791 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2792 check_func inet_aton $network_extralibs
2793 check_func isatty
2794 check_func localtime_r
2795 check_func ${malloc_prefix}memalign && enable memalign
2796 check_func mkstemp
2797 check_func mmap
2798 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2799 check_func setrlimit
2800 check_func strerror_r
2801 check_func strtok_r
2802 check_func_headers io.h setmode
2803 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2804 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2805 check_func_headers windows.h GetProcessTimes
2806 check_func_headers windows.h MapViewOfFile
2807 check_func_headers windows.h VirtualAlloc
2808
2809 check_header dlfcn.h
2810 check_header dxva2api.h
2811 check_header malloc.h
2812 check_header poll.h
2813 check_header sys/mman.h
2814 check_header sys/resource.h
2815 check_header sys/select.h
2816 check_header vdpau/vdpau.h
2817 check_header vdpau/vdpau_x11.h
2818 check_header X11/extensions/XvMClib.h
2819
2820 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2821
2822 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2823 enabled_any $need_memalign ; then
2824 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2825 fi
2826
2827 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2828 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2829
2830 # check for some common methods of building with pthread support
2831 # do this before the optional library checks as some of them require pthreads
2832 if ! disabled pthreads && ! enabled w32threads; then
2833 enable pthreads
2834 if check_func pthread_create; then
2835 :
2836 elif check_func pthread_create -pthread; then
2837 add_cflags -pthread
2838 add_extralibs -pthread
2839 elif check_func pthread_create -pthreads; then
2840 add_cflags -pthreads
2841 add_extralibs -pthreads
2842 elif check_func pthread_create -lpthreadGC2; then
2843 add_extralibs -lpthreadGC2
2844 elif ! check_lib pthread.h pthread_create -lpthread; then
2845 disable pthreads
2846 fi
2847 fi
2848
2849 for thread in $THREADS_LIST; do
2850 if enabled $thread; then
2851 test -n "$thread_type" &&
2852 die "ERROR: Only one thread type must be selected." ||
2853 thread_type="$thread"
2854 fi
2855 done
2856
2857 check_lib math.h sin -lm && LIBM="-lm"
2858 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2859
2860 check_mathfunc exp2
2861 check_mathfunc exp2f
2862 check_mathfunc llrint
2863 check_mathfunc llrintf
2864 check_mathfunc log2
2865 check_mathfunc log2f
2866 check_mathfunc lrint
2867 check_mathfunc lrintf
2868 check_mathfunc round
2869 check_mathfunc roundf
2870 check_mathfunc trunc
2871 check_mathfunc truncf
2872
2873 # these are off by default, so fail if requested and not available
2874 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2875 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2876 enabled libdirac && require_pkg_config dirac \
2877 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2878 "dirac_decoder_init dirac_encoder_init"
2879 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2880 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2881 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2882 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2883 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2884 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2885 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2886 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2887 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2888 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2889 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2890 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2891 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2892 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2893 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2894 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2895 enabled libvpx && {
2896 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2897 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2898 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2899 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2900 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2901 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2902 die "ERROR: libx264 version must be >= 0.115."; }
2903 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2904 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2905 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2906
2907 # libdc1394 check
2908 if enabled libdc1394; then
2909 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2910 enable libdc1394_2; } ||
2911 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2912 enable libdc1394_1; } ||
2913 die "ERROR: No version of libdc1394 found "
2914 fi
2915
2916 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2917 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2918 enable sdl &&
2919 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2920 fi
2921
2922 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2923
2924 check_header linux/fb.h
2925 check_header linux/videodev.h
2926 check_header linux/videodev2.h
2927 check_header sys/videoio.h
2928
2929 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2930 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2931 # w32api 3.12 had it defined wrong
2932 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2933
2934 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2935 { check_header dev/bktr/ioctl_meteor.h &&
2936 check_header dev/bktr/ioctl_bt848.h; } ||
2937 { check_header machine/ioctl_meteor.h &&
2938 check_header machine/ioctl_bt848.h; } ||
2939 { check_header dev/video/meteor/ioctl_meteor.h &&
2940 check_header dev/video/bktr/ioctl_bt848.h; } ||
2941 check_header dev/ic/bt8xx.h
2942
2943 check_header sndio.h
2944 check_header sys/soundcard.h
2945 check_header soundcard.h
2946
2947 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2948
2949 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2950
2951 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2952
2953 enabled x11grab &&
2954 check_header X11/Xlib.h &&
2955 check_header X11/extensions/XShm.h &&
2956 check_header X11/extensions/Xfixes.h &&
2957 check_func XOpenDisplay -lX11 &&
2958 check_func XShmCreateImage -lX11 -lXext &&
2959 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2960
2961 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2962 check_cpp_condition \
2963 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2964 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2965 disable vdpau; }
2966 fi
2967
2968 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2969
2970 # add some useful compiler flags if supported
2971 check_cflags -Wdeclaration-after-statement
2972 check_cflags -Wall
2973 check_cflags -Wno-parentheses
2974 check_cflags -Wno-switch
2975 check_cflags -Wdisabled-optimization
2976 check_cflags -Wpointer-arith
2977 check_cflags -Wredundant-decls
2978 check_cflags -Wno-pointer-sign
2979 check_cflags -Wcast-qual
2980 check_cflags -Wwrite-strings
2981 check_cflags -Wtype-limits
2982 check_cflags -Wundef
2983 check_cflags -Wmissing-prototypes
2984 enabled extra_warnings && check_cflags -Winline
2985
2986 # add some linker flags
2987 check_ldflags -Wl,--warn-common
2988 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2989 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2990
2991 echo "X{};" > $TMPV
2992 if test_ldflags -Wl,--version-script,$TMPV; then
2993 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2994 check_cc <<EOF && enable symver_asm_label
2995 void ff_foo(void) __asm__ ("av_foo@VERSION");
2996 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2997 EOF
2998 check_cc <<EOF && enable symver_gnu_asm
2999 __asm__(".symver ff_foo,av_foo@VERSION");
3000 void ff_foo(void) {}
3001 EOF
3002 fi
3003
3004 if enabled small; then
3005 add_cflags $size_cflags
3006 optimizations="small"
3007 elif enabled optimizations; then
3008 add_cflags $speed_cflags
3009 else
3010 add_cflags $noopt_cflags
3011 fi
3012 check_cflags -fno-math-errno
3013 check_cflags -fno-signed-zeros
3014
3015 if enabled icc; then
3016 # Just warnings, no remarks
3017 check_cflags -w1
3018 # -wd: Disable following warnings
3019 # 144, 167, 556: -Wno-pointer-sign
3020 # 1292: attribute "foo" ignored
3021 # 10006: ignoring unknown option -fno-signed-zeros
3022 # 10148: ignoring unknown option -Wno-parentheses
3023 # 10156: ignoring option '-W'; no argument required
3024 check_cflags -wd144,167,556,1292,10006,10148,10156
3025 # 11030: Warning unknown option --as-needed
3026 # 10156: ignoring option '-export'; no argument required
3027 check_ldflags -wd10156,11030
3028 # Allow to compile with optimizations
3029 check_ldflags -march=$cpu
3030 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3031 enable ebp_available
3032 if enabled x86_32; then
3033 test ${icc_version%%.*} -ge 11 && \
3034 check_cflags -falign-stack=maintain-16-byte || \
3035 disable aligned_stack
3036 fi
3037 elif enabled ccc; then
3038 # disable some annoying warnings
3039 add_cflags -msg_disable cvtu32to64
3040 add_cflags -msg_disable embedcomment
3041 add_cflags -msg_disable needconstext
3042 add_cflags -msg_disable nomainieee
3043 add_cflags -msg_disable ptrmismatch1
3044 add_cflags -msg_disable unreachcode
3045 elif enabled gcc; then
3046 check_cflags -fno-tree-vectorize
3047 check_cflags -Werror=implicit-function-declaration
3048 check_cflags -Werror=missing-prototypes
3049 elif enabled llvm_gcc; then
3050 check_cflags -mllvm -stack-alignment=16
3051 elif enabled clang; then
3052 check_cflags -mllvm -stack-alignment=16
3053 check_cflags -Qunused-arguments
3054 elif enabled armcc; then
3055 # 2523: use of inline assembler is deprecated
3056 add_cflags -W${armcc_opt},--diag_suppress=2523
3057 add_cflags -W${armcc_opt},--diag_suppress=1207
3058 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3059 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3060 elif enabled tms470; then
3061 add_cflags -pds=824 -pds=837
3062 elif enabled pathscale; then
3063 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3064 fi
3065
3066 enabled_any $THREADS_LIST && enable threads
3067
3068 check_deps $CONFIG_LIST \
3069 $CONFIG_EXTRA \
3070 $HAVE_LIST \
3071 $DECODER_LIST \
3072 $ENCODER_LIST \
3073 $HWACCEL_LIST \
3074 $PARSER_LIST \
3075 $BSF_LIST \
3076 $DEMUXER_LIST \
3077 $MUXER_LIST \
3078 $FILTER_LIST \
3079 $INDEV_LIST \
3080 $OUTDEV_LIST \
3081 $PROTOCOL_LIST \
3082 $ACODEC_TESTS \
3083 $VCODEC_TESTS \
3084 $LAVF_TESTS \
3085 $LAVFI_TESTS \
3086 $SEEK_TESTS \
3087
3088 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3089
3090 echo "install prefix $prefix"
3091 echo "source path $source_path"
3092 echo "C compiler $cc"
3093 echo "ARCH $arch ($cpu)"
3094 if test "$build_suffix" != ""; then
3095 echo "build suffix $build_suffix"
3096 fi
3097 if test "$extra_version" != ""; then
3098 echo "version string suffix $extra_version"
3099 fi
3100 echo "big-endian ${bigendian-no}"
3101 echo "runtime cpu detection ${runtime_cpudetect-no}"
3102 if enabled x86; then
3103 echo "yasm ${yasm-no}"
3104 echo "MMX enabled ${mmx-no}"
3105 echo "MMX2 enabled ${mmx2-no}"
3106 echo "3DNow! enabled ${amd3dnow-no}"
3107 echo "3DNow! extended enabled ${amd3dnowext-no}"
3108 echo "SSE enabled ${sse-no}"
3109 echo "SSSE3 enabled ${ssse3-no}"
3110 echo "AVX enabled ${avx-no}"
3111 echo "CMOV enabled ${cmov-no}"
3112 echo "CMOV is fast ${fast_cmov-no}"
3113 echo "EBX available ${ebx_available-no}"
3114 echo "EBP available ${ebp_available-no}"
3115 echo "10 operands supported ${ten_operands-no}"
3116 fi
3117 if enabled arm; then
3118 echo "ARMv5TE enabled ${armv5te-no}"
3119 echo "ARMv6 enabled ${armv6-no}"
3120 echo "ARMv6T2 enabled ${armv6t2-no}"
3121 echo "ARM VFP enabled ${armvfp-no}"
3122 echo "IWMMXT enabled ${iwmmxt-no}"
3123 echo "NEON enabled ${neon-no}"
3124 fi
3125 if enabled mips; then
3126 echo "MMI enabled ${mmi-no}"
3127 fi
3128 if enabled ppc; then
3129 echo "AltiVec enabled ${altivec-no}"
3130 echo "PPC 4xx optimizations ${ppc4xx-no}"
3131 echo "dcbzl available ${dcbzl-no}"
3132 fi
3133 if enabled sparc; then
3134 echo "VIS enabled ${vis-no}"
3135 fi
3136 echo "debug symbols ${debug-no}"
3137 echo "optimizations ${optimizations-no}"
3138 echo "static ${static-no}"
3139 echo "shared ${shared-no}"
3140 echo "postprocessing support ${postproc-no}"
3141 echo "new filter support ${avfilter-no}"
3142 echo "network support ${network-no}"
3143 echo "threading support ${thread_type-no}"
3144 echo "SDL support ${sdl-no}"
3145 echo "Sun medialib support ${mlib-no}"
3146 echo "AVISynth enabled ${avisynth-no}"
3147 echo "frei0r enabled ${frei0r-no}"
3148 echo "libdc1394 support ${libdc1394-no}"
3149 echo "libdirac enabled ${libdirac-no}"
3150 echo "libfaac enabled ${libfaac-no}"
3151 echo "libgsm enabled ${libgsm-no}"
3152 echo "libmp3lame enabled ${libmp3lame-no}"
3153 echo "libnut enabled ${libnut-no}"
3154 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3155 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3156 echo "libopencv support ${libopencv-no}"
3157 echo "libopenjpeg enabled ${libopenjpeg-no}"
3158 echo "librtmp enabled ${librtmp-no}"
3159 echo "libschroedinger enabled ${libschroedinger-no}"
3160 echo "libspeex enabled ${libspeex-no}"
3161 echo "libtheora enabled ${libtheora-no}"
3162 echo "libva enabled ${vaapi-no}"
3163 echo "libvo-aacenc support ${libvo_aacenc-no}"
3164 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3165 echo "libvorbis enabled ${libvorbis-no}"
3166 echo "libvpx enabled ${libvpx-no}"
3167 echo "libx264 enabled ${libx264-no}"
3168 echo "libxavs enabled ${libxavs-no}"
3169 echo "libxvid enabled ${libxvid-no}"
3170 echo "zlib enabled ${zlib-no}"
3171 echo "bzlib enabled ${bzlib-no}"
3172 echo
3173
3174 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3175 echo "Enabled ${type}s:"
3176 eval list=\$$(toupper $type)_LIST
3177 print_enabled '_*' $list | sort | pr -r -3 -t
3178 echo
3179 done
3180
3181 license="LGPL version 2.1 or later"
3182 if enabled nonfree; then
3183 license="nonfree and unredistributable"
3184 elif enabled gplv3; then
3185 license="GPL version 3 or later"
3186 elif enabled lgplv3; then
3187 license="LGPL version 3 or later"
3188 elif enabled gpl; then
3189 license="GPL version 2 or later"
3190 fi
3191
3192 echo "License: $license"
3193
3194 echo "Creating config.mak and config.h..."
3195
3196 # build tree in object directory if source path is different from current one
3197 if enabled source_path_used; then
3198 DIRS="
3199 doc
3200 libavcodec
3201 libavcodec/$arch
3202 libavdevice
3203 libavfilter
3204 libavfilter/$arch
3205 libavformat
3206 libavutil
3207 libavutil/$arch
3208 libpostproc
3209 libswscale
3210 libswscale/$arch
3211 tests
3212 tools
3213 "
3214 FILES="
3215 Makefile
3216 common.mak
3217 subdir.mak
3218 doc/texi2pod.pl
3219 libavcodec/Makefile
3220 libavcodec/${arch}/Makefile
3221 libavdevice/Makefile
3222 libavfilter/Makefile
3223 libavfilter/${arch}/Makefile
3224 libavformat/Makefile
3225 libavutil/Makefile
3226 libpostproc/Makefile
3227 libswscale/Makefile
3228 "
3229 map 'mkdir -p $v' $DIRS;
3230 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3231 fi
3232
3233 config_files="$TMPH config.mak"
3234
3235 cat > config.mak <<EOF
3236 # Automatically generated by configure - do not modify!
3237 ifndef LIBAV_CONFIG_MAK
3238 LIBAV_CONFIG_MAK=1
3239 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3240 prefix=$prefix
3241 LIBDIR=\$(DESTDIR)$libdir
3242 SHLIBDIR=\$(DESTDIR)$shlibdir
3243 INCDIR=\$(DESTDIR)$incdir
3244 BINDIR=\$(DESTDIR)$bindir
3245 DATADIR=\$(DESTDIR)$datadir
3246 MANDIR=\$(DESTDIR)$mandir
3247 SRC_PATH="$source_path"
3248 SRC_PATH_BARE=$source_path
3249 BUILD_ROOT="$PWD"
3250 CC_IDENT=$cc_ident
3251 ARCH=$arch
3252 CC=$cc
3253 AS=$as
3254 LD=$ld
3255 DEPCC=$dep_cc
3256 YASM=$yasmexe
3257 YASMDEP=$yasmexe
3258 AR=$ar
3259 RANLIB=$ranlib
3260 LN_S=$ln_s
3261 CPPFLAGS=$CPPFLAGS
3262 CFLAGS=$CFLAGS
3263 ASFLAGS=$ASFLAGS
3264 CC_O=$CC_O
3265 DLLTOOL=$dlltool
3266 LDFLAGS=$LDFLAGS
3267 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3268 SHFLAGS=$SHFLAGS
3269 YASMFLAGS=$YASMFLAGS
3270 BUILDSUF=$build_suffix
3271 FULLNAME=$FULLNAME
3272 LIBPREF=$LIBPREF
3273 LIBSUF=$LIBSUF
3274 LIBNAME=$LIBNAME
3275 SLIBPREF=$SLIBPREF
3276 SLIBSUF=$SLIBSUF
3277 EXESUF=$EXESUF
3278 EXTRA_VERSION=$extra_version
3279 DEPFLAGS=$DEPFLAGS
3280 CCDEP=$CCDEP
3281 ASDEP=$ASDEP
3282 CC_DEPFLAGS=$CC_DEPFLAGS
3283 AS_DEPFLAGS=$AS_DEPFLAGS
3284 HOSTCC=$host_cc
3285 HOSTCFLAGS=$host_cflags
3286 HOSTEXESUF=$HOSTEXESUF
3287 HOSTLDFLAGS=$host_ldflags
3288 HOSTLIBS=$host_libs
3289 TARGET_EXEC=$target_exec
3290 TARGET_PATH=$target_path
3291 SDL_LIBS=$sdl_libs
3292 SDL_CFLAGS=$sdl_cflags
3293 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3294 EXTRALIBS=$extralibs
3295 INSTALL=install
3296 LIBTARGET=${LIBTARGET}
3297 SLIBNAME=${SLIBNAME}
3298 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3299 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3300 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3301 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3302 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3303 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3304 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3305 EOF
3306
3307 get_version(){
3308 name=$1
3309 file=$source_path/$2
3310 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3311 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3312 lcname=$(tolower $name)
3313 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3314 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3315 }
3316
3317 get_version LIBSWSCALE libswscale/swscale.h
3318 get_version LIBPOSTPROC libpostproc/postprocess.h
3319 get_version LIBAVCODEC libavcodec/version.h
3320 get_version LIBAVDEVICE libavdevice/avdevice.h
3321 get_version LIBAVFORMAT libavformat/version.h
3322 get_version LIBAVUTIL libavutil/avutil.h
3323 get_version LIBAVFILTER libavfilter/avfilter.h
3324
3325 cat > $TMPH <<EOF
3326 /* Automatically generated by configure - do not modify! */
3327 #ifndef LIBAV_CONFIG_H
3328 #define LIBAV_CONFIG_H
3329 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3330 #define LIBAV_LICENSE "$(c_escape $license)"
3331 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3332 #define CC_TYPE "$cc_type"
3333 #define CC_VERSION $cc_version
3334 #define restrict $_restrict
3335 #define EXTERN_PREFIX "${extern_prefix}"
3336 #define EXTERN_ASM ${extern_prefix}
3337 #define SLIBSUF "$SLIBSUF"
3338 EOF
3339
3340 test -n "$malloc_prefix" &&
3341 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3342
3343 if enabled small || disabled optimizations; then
3344 echo "#undef av_always_inline" >> $TMPH
3345 if enabled small; then
3346 echo "#define av_always_inline inline" >> $TMPH
3347 else
3348 echo "#define av_always_inline av_unused" >> $TMPH
3349 fi
3350 fi
3351
3352 if enabled yasm; then
3353 append config_files $TMPASM
3354 printf '' >$TMPASM
3355 fi
3356
3357 print_config ARCH_ "$config_files" $ARCH_LIST
3358 print_config HAVE_ "$config_files" $HAVE_LIST
3359 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3360 $CONFIG_EXTRA \
3361 $DECODER_LIST \
3362 $ENCODER_LIST \
3363 $HWACCEL_LIST \
3364 $PARSER_LIST \
3365 $BSF_LIST \
3366 $DEMUXER_LIST \
3367 $MUXER_LIST \
3368 $FILTER_LIST \
3369 $PROTOCOL_LIST \
3370 $INDEV_LIST \
3371 $OUTDEV_LIST \
3372
3373 cat >>config.mak <<EOF
3374 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3375 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3376 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3377 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3378 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3379 EOF
3380
3381 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3382 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3383
3384 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3385 cp_if_changed $TMPH config.h
3386 touch .config
3387
3388 enabled yasm && cp_if_changed $TMPASM config.asm
3389
3390 cat > $TMPH <<EOF
3391 /* Generated by ffconf */
3392 #ifndef AVUTIL_AVCONFIG_H
3393 #define AVUTIL_AVCONFIG_H
3394 EOF
3395
3396 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3397
3398 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3399
3400 cp_if_changed $TMPH libavutil/avconfig.h
3401
3402 test -n "$WARNINGS" && printf "\n$WARNINGS"
3403
3404 # build pkg-config files
3405
3406 pkgconfig_generate(){
3407 name=$1
3408 shortname=${name#lib}${build_suffix}
3409 comment=$2
3410 version=$3
3411 libs=$4
3412 requires=$5
3413 enabled ${name#lib} || return 0
3414 cat <<EOF > $name/$name.pc
3415 prefix=$prefix
3416 exec_prefix=\${prefix}
3417 libdir=$libdir
3418 includedir=$incdir
3419
3420 Name: $name
3421 Description: $comment
3422 Version: $version
3423 Requires: $(enabled shared || echo $requires)
3424 Requires.private: $(enabled shared && echo $requires)
3425 Conflicts:
3426 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3427 Libs.private: $(enabled shared && echo $libs)
3428 Cflags: -I\${includedir}
3429 EOF
3430 cat <<EOF > $name/$name-uninstalled.pc
3431 prefix=
3432 exec_prefix=
3433 libdir=\${pcfiledir}
3434 includedir=${source_path}
3435
3436 Name: $name
3437 Description: $comment
3438 Version: $version
3439 Requires: $requires
3440 Conflicts:
3441 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3442 Cflags: -I\${includedir}
3443 EOF
3444 }
3445
3446 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3447 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3448 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3449 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3450 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3451 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3452 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"