3953cfc44baeb2ebe0cd0917249bba9557c1b413
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --disable-postproc disable libpostproc build
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --enable-vaapi enable VAAPI code
110 --enable-vdpau enable VDPAU code
111 --disable-dxva2 disable DXVA2 code
112 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114 --enable-memalign-hack emulate memalign, interferes with memory debuggers
115 --disable-everything disable all components listed below
116 --disable-encoder=NAME disable encoder NAME
117 --enable-encoder=NAME enable encoder NAME
118 --disable-encoders disable all encoders
119 --disable-decoder=NAME disable decoder NAME
120 --enable-decoder=NAME enable decoder NAME
121 --disable-decoders disable all decoders
122 --disable-hwaccel=NAME disable hwaccel NAME
123 --enable-hwaccel=NAME enable hwaccel NAME
124 --disable-hwaccels disable all hwaccels
125 --disable-muxer=NAME disable muxer NAME
126 --enable-muxer=NAME enable muxer NAME
127 --disable-muxers disable all muxers
128 --disable-demuxer=NAME disable demuxer NAME
129 --enable-demuxer=NAME enable demuxer NAME
130 --disable-demuxers disable all demuxers
131 --enable-parser=NAME enable parser NAME
132 --disable-parser=NAME disable parser NAME
133 --disable-parsers disable all parsers
134 --enable-bsf=NAME enable bitstream filter NAME
135 --disable-bsf=NAME disable bitstream filter NAME
136 --disable-bsfs disable all bitstream filters
137 --enable-protocol=NAME enable protocol NAME
138 --disable-protocol=NAME disable protocol NAME
139 --disable-protocols disable all protocols
140 --disable-indev=NAME disable input device NAME
141 --disable-outdev=NAME disable output device NAME
142 --disable-indevs disable input devices
143 --disable-outdevs disable output devices
144 --disable-devices disable all devices
145 --enable-filter=NAME enable filter NAME
146 --disable-filter=NAME disable filter NAME
147 --disable-filters disable all filters
148 --list-decoders show all available decoders
149 --list-encoders show all available encoders
150 --list-hwaccels show all available hardware accelerators
151 --list-muxers show all available muxers
152 --list-demuxers show all available demuxers
153 --list-parsers show all available parsers
154 --list-protocols show all available protocols
155 --list-bsfs show all available bitstream filters
156 --list-indevs show all available input devices
157 --list-outdevs show all available output devices
158 --list-filters show all available filters
159
160 External library support:
161 --enable-avisynth enable reading of AVISynth script files [no]
162 --enable-bzlib enable bzlib [autodetect]
163 --enable-frei0r enable frei0r video filtering
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libopencv enable video filtering via libopencv [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfreetype enable libfreetype [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-avx disable AVX optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239 --disable-symver disable symbol versioning
240 --optflags override optimization-related compiler flags
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
879 mkdir -p "$(dirname $2)"
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
955 mpegaudiodsp
956 network
957 nonfree
958 pic
959 postproc
960 rdft
961 rtpdec
962 runtime_cpudetect
963 shared
964 sinewin
965 small
966 sram
967 static
968 swscale
969 swscale_alpha
970 thumb
971 vaapi
972 vdpau
973 version3
974 x11grab
975 zlib
976 "
977
978 THREADS_LIST='
979 pthreads
980 w32threads
981 '
982
983 ARCH_LIST='
984 alpha
985 arm
986 avr32
987 avr32_ap
988 avr32_uc
989 bfin
990 ia64
991 m68k
992 mips
993 mips64
994 parisc
995 ppc
996 ppc64
997 s390
998 sh4
999 sparc
1000 sparc64
1001 tomi
1002 x86
1003 x86_32
1004 x86_64
1005 '
1006
1007 ARCH_EXT_LIST='
1008 altivec
1009 amd3dnow
1010 amd3dnowext
1011 armv5te
1012 armv6
1013 armv6t2
1014 armvfp
1015 avx
1016 iwmmxt
1017 mmi
1018 mmx
1019 mmx2
1020 neon
1021 ppc4xx
1022 sse
1023 ssse3
1024 vfpv3
1025 vis
1026 '
1027
1028 HAVE_LIST_PUB='
1029 bigendian
1030 fast_unaligned
1031 '
1032
1033 HAVE_LIST="
1034 $ARCH_EXT_LIST
1035 $HAVE_LIST_PUB
1036 $THREADS_LIST
1037 aligned_stack
1038 alsa_asoundlib_h
1039 altivec_h
1040 arpa_inet_h
1041 attribute_may_alias
1042 attribute_packed
1043 bswap
1044 closesocket
1045 cmov
1046 dcbzl
1047 dev_bktr_ioctl_bt848_h
1048 dev_bktr_ioctl_meteor_h
1049 dev_ic_bt8xx_h
1050 dev_video_meteor_ioctl_meteor_h
1051 dev_video_bktr_ioctl_bt848_h
1052 dlfcn_h
1053 dlopen
1054 dos_paths
1055 ebp_available
1056 ebx_available
1057 exp2
1058 exp2f
1059 fast_64bit
1060 fast_clz
1061 fast_cmov
1062 fcntl
1063 fork
1064 getaddrinfo
1065 gethrtime
1066 GetProcessMemoryInfo
1067 GetProcessTimes
1068 getrusage
1069 gnu_as
1070 struct_rusage_ru_maxrss
1071 ibm_asm
1072 inet_aton
1073 inline_asm
1074 isatty
1075 ldbrx
1076 libdc1394_1
1077 libdc1394_2
1078 llrint
1079 llrintf
1080 local_aligned_16
1081 local_aligned_8
1082 localtime_r
1083 log2
1084 log2f
1085 loongson
1086 lrint
1087 lrintf
1088 lzo1x_999_compress
1089 machine_ioctl_bt848_h
1090 machine_ioctl_meteor_h
1091 malloc_h
1092 MapViewOfFile
1093 memalign
1094 mkstemp
1095 mmap
1096 posix_memalign
1097 round
1098 roundf
1099 sdl
1100 sdl_video_size
1101 setmode
1102 sndio_h
1103 socklen_t
1104 soundcard_h
1105 poll_h
1106 setrlimit
1107 strerror_r
1108 strptime
1109 strtok_r
1110 struct_addrinfo
1111 struct_ipv6_mreq
1112 struct_sockaddr_in6
1113 struct_sockaddr_sa_len
1114 struct_sockaddr_storage
1115 symver
1116 symver_gnu_asm
1117 symver_asm_label
1118 sys_mman_h
1119 sys_resource_h
1120 sys_select_h
1121 sys_soundcard_h
1122 sys_videoio_h
1123 threads
1124 trunc
1125 truncf
1126 vfp_args
1127 VirtualAlloc
1128 winsock2_h
1129 xform_asm
1130 xmm_clobbers
1131 yasm
1132 "
1133
1134 # options emitted with CONFIG_ prefix but not available on command line
1135 CONFIG_EXTRA="
1136 avutil
1137 gplv3
1138 lgplv3
1139 "
1140
1141 CMDLINE_SELECT="
1142 $ARCH_EXT_LIST
1143 $CONFIG_LIST
1144 $THREADS_LIST
1145 asm
1146 cross_compile
1147 debug
1148 extra_warnings
1149 logging
1150 optimizations
1151 symver
1152 yasm
1153 "
1154
1155 PATHS_LIST='
1156 bindir
1157 datadir
1158 incdir
1159 libdir
1160 mandir
1161 prefix
1162 shlibdir
1163 '
1164
1165 CMDLINE_SET="
1166 $PATHS_LIST
1167 ar
1168 arch
1169 as
1170 build_suffix
1171 cc
1172 cpu
1173 cross_prefix
1174 dep_cc
1175 extra_version
1176 host_cc
1177 host_cflags
1178 host_ldflags
1179 host_libs
1180 host_os
1181 ld
1182 logfile
1183 malloc_prefix
1184 nm
1185 optflags
1186 pkg_config
1187 samples
1188 sysinclude
1189 sysroot
1190 target_exec
1191 target_os
1192 target_path
1193 "
1194
1195 CMDLINE_APPEND="
1196 extra_cflags
1197 "
1198
1199 # code dependency declarations
1200
1201 # architecture extensions
1202
1203 armv5te_deps="arm"
1204 armv6_deps="arm"
1205 armv6t2_deps="arm"
1206 armvfp_deps="arm"
1207 iwmmxt_deps="arm"
1208 neon_deps="arm"
1209 vfpv3_deps="armvfp"
1210
1211 mmi_deps="mips"
1212
1213 altivec_deps="ppc"
1214 ppc4xx_deps="ppc"
1215
1216 vis_deps="sparc"
1217
1218 x86_64_suggest="cmov fast_cmov"
1219 amd3dnow_deps="mmx"
1220 amd3dnowext_deps="amd3dnow"
1221 mmx_deps="x86"
1222 mmx2_deps="mmx"
1223 sse_deps="mmx"
1224 ssse3_deps="sse"
1225 avx_deps="ssse3"
1226
1227 aligned_stack_if_any="ppc x86"
1228 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1229 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1230 fast_unaligned_if_any="armv6 ppc x86"
1231
1232 need_memalign="altivec neon sse"
1233 inline_asm_deps="!tms470"
1234
1235 symver_if_any="symver_asm_label symver_gnu_asm"
1236
1237 # subsystems
1238 dct_select="rdft"
1239 mdct_select="fft"
1240 rdft_select="fft"
1241 mpegaudiodsp_select="dct"
1242
1243 # decoders / encoders / hardware accelerators
1244 aac_decoder_select="mdct sinewin"
1245 aac_encoder_select="mdct sinewin"
1246 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1247 ac3_decoder_select="mdct ac3dsp ac3_parser"
1248 ac3_encoder_select="mdct ac3dsp"
1249 ac3_fixed_encoder_select="mdct ac3dsp"
1250 alac_encoder_select="lpc"
1251 amrnb_decoder_select="lsp"
1252 amrwb_decoder_select="lsp"
1253 atrac1_decoder_select="mdct sinewin"
1254 atrac3_decoder_select="mdct"
1255 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1256 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1257 cavs_decoder_select="golomb"
1258 cook_decoder_select="mdct sinewin"
1259 cscd_decoder_suggest="zlib"
1260 dca_decoder_select="mdct"
1261 dnxhd_encoder_select="aandct"
1262 dxa_decoder_select="zlib"
1263 eac3_decoder_select="ac3_decoder"
1264 eac3_encoder_select="mdct ac3dsp"
1265 eamad_decoder_select="aandct"
1266 eatgq_decoder_select="aandct"
1267 eatqi_decoder_select="aandct"
1268 ffv1_decoder_select="golomb"
1269 flac_decoder_select="golomb"
1270 flac_encoder_select="golomb lpc"
1271 flashsv_decoder_select="zlib"
1272 flashsv_encoder_select="zlib"
1273 flv_decoder_select="h263_decoder"
1274 flv_encoder_select="h263_encoder"
1275 fraps_decoder_select="huffman"
1276 h261_encoder_select="aandct"
1277 h263_decoder_select="h263_parser"
1278 h263_encoder_select="aandct"
1279 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1280 h263i_decoder_select="h263_decoder"
1281 h263p_encoder_select="h263_encoder"
1282 h264_decoder_select="golomb h264dsp h264pred"
1283 h264_dxva2_hwaccel_deps="dxva2api_h"
1284 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1285 h264_vaapi_hwaccel_select="vaapi"
1286 h264_vdpau_decoder_select="vdpau h264_decoder"
1287 imc_decoder_select="fft mdct sinewin"
1288 jpegls_decoder_select="golomb"
1289 jpegls_encoder_select="golomb"
1290 ljpeg_encoder_select="aandct"
1291 loco_decoder_select="golomb"
1292 mjpeg_encoder_select="aandct"
1293 mlp_decoder_select="mlp_parser"
1294 mp1_decoder_select="mpegaudiodsp"
1295 mp2_decoder_select="mpegaudiodsp"
1296 mp3adu_decoder_select="mpegaudiodsp"
1297 mp3_decoder_select="mpegaudiodsp"
1298 mp3on4_decoder_select="mpegaudiodsp"
1299 mp1float_decoder_select="mpegaudiodsp"
1300 mp2float_decoder_select="mpegaudiodsp"
1301 mp3adufloat_decoder_select="mpegaudiodsp"
1302 mp3float_decoder_select="mpegaudiodsp"
1303 mp3on4float_decoder_select="mpegaudiodsp"
1304 mpeg1video_encoder_select="aandct"
1305 mpeg2video_encoder_select="aandct"
1306 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1307 mpeg4_encoder_select="h263_encoder"
1308 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1309 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1310 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1311 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1312 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1313 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1314 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1315 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1316 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1317 msmpeg4v1_decoder_select="h263_decoder"
1318 msmpeg4v1_encoder_select="h263_encoder"
1319 msmpeg4v2_decoder_select="h263_decoder"
1320 msmpeg4v2_encoder_select="h263_encoder"
1321 msmpeg4v3_decoder_select="h263_decoder"
1322 msmpeg4v3_encoder_select="h263_encoder"
1323 nellymoser_decoder_select="mdct sinewin"
1324 nellymoser_encoder_select="mdct sinewin"
1325 png_decoder_select="zlib"
1326 png_encoder_select="zlib"
1327 qcelp_decoder_select="lsp"
1328 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1329 ra_144_encoder_select="lpc"
1330 rv10_decoder_select="h263_decoder"
1331 rv10_encoder_select="h263_encoder"
1332 rv20_decoder_select="h263_decoder"
1333 rv20_encoder_select="h263_encoder"
1334 rv30_decoder_select="golomb h264pred"
1335 rv40_decoder_select="golomb h264pred"
1336 shorten_decoder_select="golomb"
1337 sipr_decoder_select="lsp"
1338 snow_decoder_select="dwt"
1339 snow_encoder_select="aandct dwt"
1340 svq1_encoder_select="aandct"
1341 svq3_decoder_select="golomb h264dsp h264pred"
1342 svq3_decoder_suggest="zlib"
1343 theora_decoder_select="vp3_decoder"
1344 tiff_decoder_suggest="zlib"
1345 tiff_encoder_suggest="zlib"
1346 truehd_decoder_select="mlp_decoder"
1347 tscc_decoder_select="zlib"
1348 twinvq_decoder_select="mdct lsp sinewin"
1349 vc1_decoder_select="h263_decoder"
1350 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1351 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1352 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1353 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1354 vorbis_decoder_select="mdct"
1355 vorbis_encoder_select="mdct"
1356 vp6_decoder_select="huffman"
1357 vp6a_decoder_select="vp6_decoder"
1358 vp6f_decoder_select="vp6_decoder"
1359 vp8_decoder_select="h264pred"
1360 wmapro_decoder_select="mdct sinewin"
1361 wmav1_decoder_select="mdct sinewin"
1362 wmav1_encoder_select="mdct sinewin"
1363 wmav2_decoder_select="mdct sinewin"
1364 wmav2_encoder_select="mdct sinewin"
1365 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1366 wmv1_decoder_select="h263_decoder"
1367 wmv1_encoder_select="h263_encoder"
1368 wmv2_decoder_select="h263_decoder"
1369 wmv2_encoder_select="h263_encoder"
1370 wmv3_decoder_select="vc1_decoder"
1371 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1372 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1373 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1374 zlib_decoder_select="zlib"
1375 zlib_encoder_select="zlib"
1376 zmbv_decoder_select="zlib"
1377 zmbv_encoder_select="zlib"
1378
1379 vaapi_deps="va_va_h"
1380 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1381
1382 # parsers
1383 h264_parser_select="golomb h264dsp h264pred"
1384
1385 # external libraries
1386 libdirac_decoder_deps="libdirac !libschroedinger"
1387 libdirac_encoder_deps="libdirac"
1388 libfaac_encoder_deps="libfaac"
1389 libgsm_decoder_deps="libgsm"
1390 libgsm_encoder_deps="libgsm"
1391 libgsm_ms_decoder_deps="libgsm"
1392 libgsm_ms_encoder_deps="libgsm"
1393 libmp3lame_encoder_deps="libmp3lame"
1394 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1395 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1396 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1397 libopenjpeg_decoder_deps="libopenjpeg"
1398 libschroedinger_decoder_deps="libschroedinger"
1399 libschroedinger_encoder_deps="libschroedinger"
1400 libspeex_decoder_deps="libspeex"
1401 libtheora_encoder_deps="libtheora"
1402 libvo_aacenc_encoder_deps="libvo_aacenc"
1403 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1404 libvorbis_encoder_deps="libvorbis"
1405 libvpx_decoder_deps="libvpx"
1406 libvpx_encoder_deps="libvpx"
1407 libx264_encoder_deps="libx264"
1408 libxavs_encoder_deps="libxavs"
1409 libxvid_encoder_deps="libxvid"
1410
1411 # demuxers / muxers
1412 ac3_demuxer_select="ac3_parser"
1413 asf_stream_muxer_select="asf_muxer"
1414 avisynth_demuxer_deps="avisynth"
1415 dirac_demuxer_select="dirac_parser"
1416 eac3_demuxer_select="ac3_parser"
1417 flac_demuxer_select="flac_parser"
1418 ipod_muxer_select="mov_muxer"
1419 libnut_demuxer_deps="libnut"
1420 libnut_muxer_deps="libnut"
1421 matroska_audio_muxer_select="matroska_muxer"
1422 matroska_demuxer_suggest="zlib bzlib"
1423 mov_demuxer_suggest="zlib"
1424 mp3_demuxer_select="mpegaudio_parser"
1425 mp4_muxer_select="mov_muxer"
1426 mpegtsraw_demuxer_select="mpegts_demuxer"
1427 mxf_d10_muxer_select="mxf_muxer"
1428 ogg_demuxer_select="golomb"
1429 psp_muxer_select="mov_muxer"
1430 rtp_demuxer_select="sdp_demuxer"
1431 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1432 rtsp_demuxer_select="http_protocol rtpdec"
1433 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1434 sap_demuxer_select="sdp_demuxer"
1435 sap_muxer_select="rtp_muxer rtp_protocol"
1436 sdp_demuxer_select="rtpdec"
1437 spdif_muxer_select="aac_parser"
1438 tg2_muxer_select="mov_muxer"
1439 tgp_muxer_select="mov_muxer"
1440 w64_demuxer_deps="wav_demuxer"
1441
1442 # indevs / outdevs
1443 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1444 alsa_outdev_deps="alsa_asoundlib_h"
1445 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1446 dv1394_indev_deps="dv1394 dv_demuxer"
1447 fbdev_indev_deps="linux_fb_h"
1448 jack_indev_deps="jack_jack_h"
1449 libdc1394_indev_deps="libdc1394"
1450 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1451 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1452 sndio_indev_deps="sndio_h"
1453 sndio_outdev_deps="sndio_h"
1454 v4l_indev_deps="linux_videodev_h"
1455 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1456 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1457 vfwcap_indev_extralibs="-lavicap32"
1458 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1459 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1460
1461 # protocols
1462 gopher_protocol_deps="network"
1463 http_protocol_deps="network"
1464 http_protocol_select="tcp_protocol"
1465 mmsh_protocol_select="http_protocol"
1466 mmst_protocol_deps="network"
1467 rtmp_protocol_select="tcp_protocol"
1468 rtp_protocol_select="udp_protocol"
1469 tcp_protocol_deps="network"
1470 udp_protocol_deps="network"
1471
1472 # filters
1473 blackframe_filter_deps="gpl"
1474 cropdetect_filter_deps="gpl"
1475 drawtext_filter_deps="libfreetype"
1476 frei0r_filter_deps="frei0r dlopen strtok_r"
1477 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1478 hqdn3d_filter_deps="gpl"
1479 ocv_filter_deps="libopencv"
1480 scale_filter_deps="swscale"
1481 yadif_filter_deps="gpl"
1482
1483 # libraries
1484 avdevice_deps="avcodec avformat"
1485 avformat_deps="avcodec"
1486 postproc_deps="gpl"
1487
1488 # programs
1489 ffmpeg_deps="avcodec avformat swscale"
1490 ffmpeg_select="buffer_filter"
1491 ffplay_deps="avcodec avformat swscale sdl"
1492 ffplay_select="rdft"
1493 ffprobe_deps="avcodec avformat"
1494 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1495 ffserver_extralibs='$ldl'
1496
1497 doc_deps="texi2html"
1498
1499 # tests
1500
1501 test_deps(){
1502 suf1=$1
1503 suf2=$2
1504 shift 2
1505 for v; do
1506 dep=${v%=*}
1507 tests=${v#*=}
1508 for name in ${tests}; do
1509 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1510 done
1511 done
1512 }
1513
1514 test_deps _encoder _decoder \
1515 adpcm_g726=g726 \
1516 adpcm_ima_qt \
1517 adpcm_ima_wav \
1518 adpcm_ms \
1519 adpcm_swf \
1520 adpcm_yamaha=adpcm_yam \
1521 alac \
1522 asv1 \
1523 asv2 \
1524 bmp \
1525 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1526 dvvideo="dv dv50" \
1527 ffv1 \
1528 flac \
1529 flashsv \
1530 flv \
1531 gif \
1532 h261 \
1533 h263="h263 h263p" \
1534 huffyuv \
1535 jpegls \
1536 mjpeg="jpg mjpeg ljpeg" \
1537 mp2 \
1538 mpeg1video="mpeg mpeg1b" \
1539 mpeg2video="mpeg2 mpeg2thread" \
1540 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1541 msmpeg4v3=msmpeg4 \
1542 msmpeg4v2 \
1543 pbm=pbmpipe \
1544 pcx \
1545 pgm="pgm pgmpipe" \
1546 png \
1547 ppm="ppm ppmpipe" \
1548 rawvideo="rgb yuv" \
1549 roq \
1550 rv10 \
1551 rv20 \
1552 sgi \
1553 snow="snow snowll" \
1554 svq1 \
1555 targa=tga \
1556 tiff \
1557 wmav1 \
1558 wmav2 \
1559 wmv1 \
1560 wmv2 \
1561
1562 test_deps _muxer _demuxer \
1563 aiff \
1564 pcm_alaw=alaw \
1565 asf \
1566 au \
1567 avi \
1568 dv=dv_fmt \
1569 ffm \
1570 flv=flv_fmt \
1571 gxf \
1572 matroska=mkv \
1573 mmf \
1574 mov \
1575 pcm_mulaw=mulaw \
1576 mxf="mxf mxf_d10" \
1577 nut \
1578 ogg \
1579 rawvideo=pixfmt \
1580 rm \
1581 swf \
1582 mpegts=ts \
1583 voc \
1584 wav \
1585 yuv4mpegpipe=yuv4mpeg \
1586
1587 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1588 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1589
1590 # default parameters
1591
1592 logfile="config.log"
1593
1594 # installation paths
1595 prefix_default="/usr/local"
1596 bindir_default='${prefix}/bin'
1597 datadir_default='${prefix}/share/ffmpeg'
1598 incdir_default='${prefix}/include'
1599 libdir_default='${prefix}/lib'
1600 mandir_default='${prefix}/share/man'
1601 shlibdir_default="$libdir_default"
1602
1603 # toolchain
1604 ar_default="ar"
1605 cc_default="gcc"
1606 cc_version=\"unknown\"
1607 host_cc_default="gcc"
1608 ln_s="ln -sf"
1609 nm_default="nm"
1610 objformat="elf"
1611 pkg_config_default=pkg-config
1612 ranlib="ranlib"
1613 yasmexe="yasm"
1614 nogas=":"
1615
1616 nm_opts='-g'
1617
1618 # machine
1619 arch_default=$(uname -m)
1620 cpu="generic"
1621
1622 # OS
1623 target_os_default=$(tolower $(uname -s))
1624 host_os=$target_os_default
1625
1626 # configurable options
1627 enable avcodec
1628 enable avdevice
1629 enable avfilter
1630 enable avformat
1631 enable avutil
1632 enable asm
1633 enable debug
1634 enable doc
1635 enable fastdiv
1636 enable ffmpeg
1637 enable ffplay
1638 enable ffprobe
1639 enable ffserver
1640 enable network
1641 enable optimizations
1642 enable postproc
1643 enable protocols
1644 enable static
1645 enable swscale
1646 enable swscale_alpha
1647
1648 # build settings
1649 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1650 FFSERVERLDFLAGS=-Wl,-E
1651 LIBPREF="lib"
1652 LIBSUF=".a"
1653 FULLNAME='$(NAME)$(BUILDSUF)'
1654 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1655 SLIBPREF="lib"
1656 SLIBSUF=".so"
1657 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1658 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1659 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1660 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1661 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1662 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1663
1664 AS_O='-o $@'
1665 CC_O='-o $@'
1666
1667 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1668 host_libs='-lm'
1669
1670 target_path='$(CURDIR)'
1671
1672 # since the object filename is not given with the -MM flag, the compiler
1673 # is only able to print the basename, and we must add the path ourselves
1674 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1675 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1676
1677 # find source path
1678 if test -f configure; then
1679 source_path=.
1680 else
1681 source_path=$(cd $(dirname "$0"); pwd)
1682 echo "$source_path" | grep -q '[[:blank:]]' &&
1683 die "Out of tree builds are impossible with whitespace in source path."
1684 test -e "$source_path/config.h" &&
1685 die "Out of tree builds are impossible with config.h in source dir."
1686 fi
1687
1688 for v in "$@"; do
1689 r=${v#*=}
1690 l=${v%"$r"}
1691 r=$(sh_quote "$r")
1692 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1693 done
1694
1695 find_things(){
1696 thing=$1
1697 pattern=$2
1698 file=$source_path/$3
1699 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1700 }
1701
1702 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1703 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1704 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1705 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1706 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1707 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1708 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1709 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1710 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1711 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1712 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1713
1714 find_tests(){
1715 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1716 }
1717
1718 ACODEC_TESTS=$(find_tests acodec)
1719 VCODEC_TESTS=$(find_tests vsynth1)
1720 LAVF_TESTS=$(find_tests lavf)
1721 LAVFI_TESTS=$(find_tests lavfi)
1722 SEEK_TESTS=$(find_tests seek seek_)
1723
1724 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1725
1726 for n in $COMPONENT_LIST; do
1727 v=$(toupper ${n%s})_LIST
1728 eval enable \$$v
1729 eval ${n}_if_any="\$$v"
1730 done
1731
1732 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1733
1734 die_unknown(){
1735 echo "Unknown option \"$1\"."
1736 echo "See $0 --help for available options."
1737 exit 1
1738 }
1739
1740 show_list() {
1741 suffix=_$1
1742 shift
1743 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1744 exit 0
1745 }
1746
1747 for opt do
1748 optval="${opt#*=}"
1749 case "$opt" in
1750 --extra-ldflags=*) add_ldflags $optval
1751 ;;
1752 --extra-libs=*) add_extralibs $optval
1753 ;;
1754 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1755 ;;
1756 --enable-debug=*) debuglevel="$optval"
1757 ;;
1758 --disable-everything)
1759 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1760 ;;
1761 --enable-*=*|--disable-*=*)
1762 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1763 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1764 eval list=\$$(toupper $thing)_LIST
1765 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1766 $action $(filter "$name" $list)
1767 ;;
1768 --enable-?*|--disable-?*)
1769 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1770 if is_in $option $COMPONENT_LIST; then
1771 test $action = disable && action=unset
1772 eval $action \$$(toupper ${option%s})_LIST
1773 elif is_in $option $CMDLINE_SELECT; then
1774 $action $option
1775 else
1776 die_unknown $opt
1777 fi
1778 ;;
1779 --list-*)
1780 NAME="${opt#--list-}"
1781 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1782 NAME=${NAME%s}
1783 eval show_list $NAME \$$(toupper $NAME)_LIST
1784 ;;
1785 --help|-h) show_help
1786 ;;
1787 *)
1788 optname="${opt%%=*}"
1789 optname="${optname#--}"
1790 optname=$(echo "$optname" | sed 's/-/_/g')
1791 if is_in $optname $CMDLINE_SET; then
1792 eval $optname='$optval'
1793 elif is_in $optname $CMDLINE_APPEND; then
1794 append $optname "$optval"
1795 else
1796 die_unknown $opt
1797 fi
1798 ;;
1799 esac
1800 done
1801
1802 disabled logging && logfile=/dev/null
1803
1804 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1805 set >> $logfile
1806
1807 test -n "$cross_prefix" && enable cross_compile
1808
1809 if enabled cross_compile; then
1810 test -n "$arch" && test -n "$target_os" ||
1811 die "Must specify target arch and OS when cross-compiling"
1812 fi
1813
1814 set_default arch target_os
1815
1816 ar_default="${cross_prefix}${ar_default}"
1817 cc_default="${cross_prefix}${cc_default}"
1818 nm_default="${cross_prefix}${nm_default}"
1819 pkg_config_default="${cross_prefix}${pkg_config_default}"
1820 ranlib="${cross_prefix}${ranlib}"
1821
1822 sysinclude_default="${sysroot}/usr/include"
1823
1824 set_default cc nm pkg_config sysinclude
1825 enabled cross_compile || host_cc_default=$cc
1826 set_default host_cc
1827
1828 if ! $pkg_config --version >/dev/null 2>&1; then
1829 warn "$pkg_config not found, library detection may fail."
1830 pkg_config=false
1831 fi
1832
1833 exesuf() {
1834 case $1 in
1835 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1836 esac
1837 }
1838
1839 EXESUF=$(exesuf $target_os)
1840 HOSTEXESUF=$(exesuf $host_os)
1841
1842 # set temporary file name
1843 : ${TMPDIR:=$TEMPDIR}
1844 : ${TMPDIR:=$TMP}
1845 : ${TMPDIR:=/tmp}
1846
1847 if ! check_cmd mktemp -u XXXXXX; then
1848 # simple replacement for missing mktemp
1849 # NOT SAFE FOR GENERAL USE
1850 mktemp(){
1851 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1852 }
1853 fi
1854
1855 tmpfile(){
1856 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1857 (set -C; exec > $tmp) 2>/dev/null ||
1858 die "Unable to create temporary file in $TMPDIR."
1859 append TMPFILES $tmp
1860 eval $1=$tmp
1861 }
1862
1863 trap 'rm -f -- $TMPFILES' EXIT
1864
1865 tmpfile TMPC .c
1866 tmpfile TMPE $EXESUF
1867 tmpfile TMPH .h
1868 tmpfile TMPO .o
1869 tmpfile TMPS .S
1870 tmpfile TMPV .ver
1871 tmpfile TMPSH .sh
1872 tmpfile TMPASM .asm
1873
1874 unset -f mktemp
1875
1876 chmod +x $TMPE
1877
1878 # make sure we can execute files in $TMPDIR
1879 cat > $TMPSH 2>> $logfile <<EOF
1880 #! /bin/sh
1881 EOF
1882 chmod +x $TMPSH >> $logfile 2>&1
1883 if ! $TMPSH >> $logfile 2>&1; then
1884 cat <<EOF
1885 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1886 variable to another directory and make sure that it is not mounted noexec.
1887 EOF
1888 die "Sanity test failed."
1889 fi
1890
1891 filter_cflags=echo
1892 filter_cppflags=echo
1893 filter_asflags=echo
1894
1895 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1896 cc_type=llvm_gcc
1897 cc_version=__VERSION__
1898 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1899 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1900 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1901 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1902 speed_cflags='-O3'
1903 size_cflags='-Os'
1904 elif $cc -v 2>&1 | grep -qi ^gcc; then
1905 cc_type=gcc
1906 cc_version=__VERSION__
1907 gcc_version=$($cc --version | head -n1)
1908 gcc_basever=$($cc -dumpversion)
1909 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1910 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1911 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1912 if ! $cc -dumpversion | grep -q '^2\.'; then
1913 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1914 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1915 fi
1916 speed_cflags='-O3'
1917 size_cflags='-Os'
1918 elif $cc --version 2>/dev/null | grep -q Intel; then
1919 cc_type=icc
1920 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1921 cc_ident=$($cc --version | head -n1)
1922 icc_version=$($cc -dumpversion)
1923 CC_DEPFLAGS='-MMD'
1924 AS_DEPFLAGS='-MMD'
1925 speed_cflags='-O3'
1926 size_cflags='-Os'
1927 noopt_cflags='-O1'
1928 elif $cc -v 2>&1 | grep -q xlc; then
1929 cc_type=xlc
1930 cc_version="AV_STRINGIFY(__IBMC__)"
1931 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1932 speed_cflags='-O5'
1933 size_cflags='-O5 -qcompact'
1934 elif $cc -V 2>/dev/null | grep -q Compaq; then
1935 cc_type=ccc
1936 cc_version="AV_STRINGIFY(__DECC_VER)"
1937 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1938 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1939 debuglevel=3
1940 add_ldflags -Wl,-z,now # calls to libots crash without this
1941 speed_cflags='-fast'
1942 size_cflags='-O1'
1943 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1944 test -d "$sysroot" || die "No valid sysroot specified."
1945 cc_type=armcc
1946 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1947 cc_ident=$($cc --vsn | head -n1)
1948 armcc_conf="$PWD/armcc.conf"
1949 $cc --arm_linux_configure \
1950 --arm_linux_config_file="$armcc_conf" \
1951 --configure_sysroot="$sysroot" \
1952 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1953 die "Error creating armcc configuration file."
1954 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1955 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1956 as_default="${cross_prefix}gcc"
1957 CC_DEPFLAGS='-MMD'
1958 AS_DEPFLAGS='-MMD'
1959 speed_cflags='-O3'
1960 size_cflags='-Os'
1961 filter_asflags="filter_out -W${armcc_opt}*"
1962 elif $cc -version 2>/dev/null | grep -q TMS470; then
1963 cc_type=tms470
1964 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1965 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1966 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1967 CC_O='-fr=$(@D)'
1968 as_default="${cross_prefix}gcc"
1969 ld_default="${cross_prefix}gcc"
1970 TMPO=$(basename $TMPC .c).o
1971 append TMPFILES $TMPO
1972 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1973 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1974 AS_DEPFLAGS='-MMD'
1975 speed_cflags='-O3 -mf=5'
1976 size_cflags='-O3 -mf=2'
1977 filter_cflags=tms470_flags
1978 tms470_flags(){
1979 for flag; do
1980 case $flag in
1981 -march=*|-mcpu=*)
1982 case "${flag#*=}" in
1983 armv7-a|cortex-a*) echo -mv=7a8 ;;
1984 armv7-r|cortex-r*) echo -mv=7r4 ;;
1985 armv7-m|cortex-m*) echo -mv=7m3 ;;
1986 armv6*|arm11*) echo -mv=6 ;;
1987 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1988 echo -mv=5e ;;
1989 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1990 esac
1991 ;;
1992 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1993 -mfpu=vfp) echo --float_support=vfpv2 ;;
1994 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1995 -msoft-float) echo --float_support=vfplib ;;
1996 -O[0-3]|-mf=*) echo $flag ;;
1997 -g) echo -g -mn ;;
1998 -pds=*) echo $flag ;;
1999 esac
2000 done
2001 }
2002 elif $cc -v 2>&1 | grep -q clang; then
2003 cc_type=clang
2004 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2005 cc_version=__clang_version__ || cc_version=__VERSION__
2006 cc_ident=$($cc --version | head -n1)
2007 CC_DEPFLAGS='-MMD'
2008 AS_DEPFLAGS='-MMD'
2009 speed_cflags='-O3'
2010 size_cflags='-Os'
2011 elif $cc -V 2>&1 | grep -q Sun; then
2012 cc_type=suncc
2013 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2014 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2015 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2016 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2017 add_ldflags -xc99
2018 speed_cflags='-O5'
2019 size_cflags='-O5 -xspace'
2020 filter_cflags=suncc_flags
2021 suncc_flags(){
2022 for flag; do
2023 case $flag in
2024 -march=*|-mcpu=*)
2025 case "${flag#*=}" in
2026 native) echo -xtarget=native ;;
2027 v9|niagara) echo -xarch=sparc ;;
2028 ultrasparc) echo -xarch=sparcvis ;;
2029 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2030 i586|pentium) echo -xchip=pentium ;;
2031 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2032 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2033 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2034 pentium4*) echo -xtarget=pentium4 ;;
2035 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2036 *-sse3) echo -xarch=sse3 ;;
2037 core2) echo -xarch=ssse3 -xchip=core2 ;;
2038 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2039 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2040 k8|opteron|athlon64|athlon-fx)
2041 echo -xarch=sse2a ;;
2042 athlon*) echo -xarch=pentium_proa ;;
2043 esac
2044 ;;
2045 -std=c99) echo -xc99 ;;
2046 -fomit-frame-pointer) echo -xregs=frameptr ;;
2047 -fPIC) echo -KPIC -xcode=pic32 ;;
2048 -W*,*) echo $flag ;;
2049 -f*-*|-W*) ;;
2050 *) echo $flag ;;
2051 esac
2052 done
2053 }
2054 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2055 cc_type=pathscale
2056 cc_version=__PATHSCALE__
2057 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2058 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2059 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2060 speed_cflags='-O2'
2061 size_cflags='-Os'
2062 filter_cflags='filter_out -Wdisabled-optimization'
2063 elif $cc -v 2>&1 | grep -q Open64; then
2064 cc_type=open64
2065 cc_version=__OPEN64__
2066 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2067 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2068 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2069 speed_cflags='-O2'
2070 size_cflags='-Os'
2071 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2072 fi
2073
2074 test -n "$cc_type" && enable $cc_type ||
2075 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2076
2077 : ${as_default:=$cc}
2078 : ${dep_cc_default:=$cc}
2079 : ${ld_default:=$cc}
2080 set_default ar as dep_cc ld
2081
2082 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2083 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2084
2085 add_cflags $extra_cflags
2086 add_asflags $extra_cflags
2087
2088 if test -n "$sysroot"; then
2089 case "$cc_type" in
2090 gcc|llvm_gcc|clang)
2091 add_cppflags --sysroot="$sysroot"
2092 add_ldflags --sysroot="$sysroot"
2093 ;;
2094 tms470)
2095 add_cppflags -I"$sysinclude"
2096 add_ldflags --sysroot="$sysroot"
2097 ;;
2098 esac
2099 fi
2100
2101 if test "$cpu" = host; then
2102 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2103
2104 case "$cc_type" in
2105 gcc|llvm_gcc)
2106 check_native(){
2107 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2108 sed -n "/cc1.*$1=/{
2109 s/.*$1=\\([^ ]*\\).*/\\1/
2110 p
2111 q
2112 }" $TMPE
2113 }
2114 cpu=$(check_native -march || check_native -mcpu)
2115 ;;
2116 esac
2117
2118 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2119 fi
2120
2121 # Deal with common $arch aliases
2122 case "$arch" in
2123 arm*)
2124 arch="arm"
2125 ;;
2126 mips|mipsel|IP*)
2127 arch="mips"
2128 ;;
2129 mips64*)
2130 arch="mips"
2131 subarch="mips64"
2132 ;;
2133 parisc|hppa)
2134 arch="parisc"
2135 ;;
2136 parisc64|hppa64)
2137 arch="parisc"
2138 subarch="parisc64"
2139 ;;
2140 "Power Macintosh"|ppc|powerpc)
2141 arch="ppc"
2142 ;;
2143 ppc64|powerpc64)
2144 arch="ppc"
2145 subarch="ppc64"
2146 ;;
2147 s390|s390x)
2148 arch="s390"
2149 ;;
2150 sh4|sh)
2151 arch="sh4"
2152 ;;
2153 sun4u|sparc64)
2154 arch="sparc"
2155 subarch="sparc64"
2156 ;;
2157 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2158 arch="x86"
2159 ;;
2160 esac
2161
2162 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2163 enable $arch
2164
2165 # Add processor-specific flags
2166 if test "$cpu" = generic; then
2167 : do nothing
2168 elif enabled ppc; then
2169
2170 case $(tolower $cpu) in
2171 601|ppc601|powerpc601)
2172 cpuflags="-mcpu=601"
2173 disable altivec
2174 ;;
2175 603*|ppc603*|powerpc603*)
2176 cpuflags="-mcpu=603"
2177 disable altivec
2178 ;;
2179 604*|ppc604*|powerpc604*)
2180 cpuflags="-mcpu=604"
2181 disable altivec
2182 ;;
2183 g3|75*|ppc75*|powerpc75*)
2184 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2185 disable altivec
2186 ;;
2187 g4|745*|ppc745*|powerpc745*)
2188 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2189 ;;
2190 74*|ppc74*|powerpc74*)
2191 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2192 ;;
2193 g5|970|ppc970|powerpc970|power4*)
2194 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2195 ;;
2196 cell)
2197 cpuflags="-mcpu=cell"
2198 enable ldbrx
2199 ;;
2200 e500v2)
2201 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2202 disable altivec
2203 ;;
2204 e500)
2205 cpuflags="-mcpu=8540 -mhard-float"
2206 disable altivec
2207 ;;
2208 esac
2209
2210 elif enabled x86; then
2211
2212 case $cpu in
2213 i[345]86|pentium)
2214 cpuflags="-march=$cpu"
2215 disable mmx
2216 ;;
2217 # targets that do NOT support conditional mov (cmov)
2218 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2219 cpuflags="-march=$cpu"
2220 disable cmov
2221 ;;
2222 # targets that do support conditional mov (cmov)
2223 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2224 cpuflags="-march=$cpu"
2225 enable cmov
2226 enable fast_cmov
2227 ;;
2228 # targets that do support conditional mov but on which it's slow
2229 pentium4|pentium4m|prescott|nocona)
2230 cpuflags="-march=$cpu"
2231 enable cmov
2232 disable fast_cmov
2233 ;;
2234 esac
2235
2236 elif enabled sparc; then
2237
2238 case $cpu in
2239 niagara)
2240 cpuflags="-mcpu=$cpu"
2241 disable vis
2242 ;;
2243 sparc64)
2244 cpuflags="-mcpu=v9"
2245 ;;
2246 esac
2247
2248 elif enabled arm; then
2249
2250 case $cpu in
2251 armv*)
2252 cpuflags="-march=$cpu"
2253 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2254 ;;
2255 *)
2256 cpuflags="-mcpu=$cpu"
2257 case $cpu in
2258 cortex-a*) subarch=armv7a ;;
2259 cortex-r*) subarch=armv7r ;;
2260 cortex-m*) enable thumb; subarch=armv7m ;;
2261 arm11*) subarch=armv6 ;;
2262 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2263 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2264 esac
2265 ;;
2266 esac
2267
2268 elif enabled alpha; then
2269
2270 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2271
2272 elif enabled bfin; then
2273
2274 cpuflags="-mcpu=$cpu"
2275
2276 elif enabled mips; then
2277
2278 cpuflags="-march=$cpu"
2279
2280 elif enabled avr32; then
2281
2282 case $cpu in
2283 ap7[02]0[0-2])
2284 subarch="avr32_ap"
2285 cpuflags="-mpart=$cpu"
2286 ;;
2287 ap)
2288 subarch="avr32_ap"
2289 cpuflags="-march=$cpu"
2290 ;;
2291 uc3[ab]*)
2292 subarch="avr32_uc"
2293 cpuflags="-mcpu=$cpu"
2294 ;;
2295 uc)
2296 subarch="avr32_uc"
2297 cpuflags="-march=$cpu"
2298 ;;
2299 esac
2300
2301 fi
2302
2303 add_cflags $cpuflags
2304 add_asflags $cpuflags
2305
2306 # compiler sanity check
2307 check_exec <<EOF
2308 int main(void){ return 0; }
2309 EOF
2310 if test "$?" != 0; then
2311 echo "$cc is unable to create an executable file."
2312 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2313 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2314 echo "Only do this if you know what cross compiling means."
2315 fi
2316 die "C compiler test failed."
2317 fi
2318
2319 add_cppflags -D_ISOC99_SOURCE
2320 check_cflags -std=c99
2321 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2322 #include <stdlib.h>
2323 EOF
2324 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2325 #include <stdlib.h>
2326 EOF
2327
2328 check_host_cflags -std=c99
2329 check_host_cflags -Wall
2330
2331 case "$arch" in
2332 alpha|ia64|mips|parisc|sparc)
2333 spic=$shared
2334 ;;
2335 x86)
2336 subarch="x86_32"
2337 check_cc <<EOF && subarch="x86_64"
2338 int test[(int)sizeof(char*) - 7];
2339 EOF
2340 if test "$subarch" = "x86_64"; then
2341 spic=$shared
2342 fi
2343 ;;
2344 esac
2345
2346 enable $subarch
2347 enabled spic && enable pic
2348
2349 # OS specific
2350 case $target_os in
2351 haiku)
2352 prefix_default="/boot/common"
2353 network_extralibs="-lnetwork"
2354 host_libs=
2355 ;;
2356 sunos)
2357 FFSERVERLDFLAGS=""
2358 SHFLAGS='-shared -Wl,-h,$$(@F)'
2359 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2360 network_extralibs="-lsocket -lnsl"
2361 add_cppflags -D__EXTENSIONS__
2362 nm_opts='-P -g'
2363 ;;
2364 netbsd)
2365 disable symver
2366 oss_indev_extralibs="-lossaudio"
2367 oss_outdev_extralibs="-lossaudio"
2368 ;;
2369 openbsd)
2370 enable malloc_aligned
2371 # On OpenBSD 4.5. the compiler does not use PIC unless
2372 # explicitly using -fPIC. Libav builds fine without PIC,
2373 # however the generated executable will not do anything
2374 # (simply quits with exit-code 1, no crash, no output).
2375 # Thus explicitly enable PIC here.
2376 enable pic
2377 disable symver
2378 SHFLAGS='-shared'
2379 oss_indev_extralibs="-lossaudio"
2380 oss_outdev_extralibs="-lossaudio"
2381 ;;
2382 dragonfly)
2383 enable malloc_aligned
2384 disable symver
2385 ;;
2386 freebsd)
2387 enable malloc_aligned
2388 ;;
2389 bsd/os)
2390 add_extralibs -lpoll -lgnugetopt
2391 ;;
2392 darwin)
2393 enable malloc_aligned
2394 gas="gas-preprocessor.pl $cc"
2395 enabled ppc && add_asflags -force_cpusubtype_ALL
2396 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2397 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2398 add_ldflags -Wl,-dynamic,-search_paths_first
2399 SLIBSUF=".dylib"
2400 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2401 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2402 FFSERVERLDFLAGS=-Wl,-bind_at_load
2403 objformat="macho"
2404 enabled x86_64 && objformat="macho64"
2405 enabled_any pic shared ||
2406 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2407 ;;
2408 mingw32*)
2409 if test $target_os = "mingw32ce"; then
2410 disable network
2411 else
2412 target_os=mingw32
2413 fi
2414 LIBTARGET=i386
2415 if enabled x86_64; then
2416 enable malloc_aligned
2417 LIBTARGET="i386:x86-64"
2418 elif enabled arm; then
2419 LIBTARGET=arm-wince
2420 fi
2421 shlibdir_default="$bindir_default"
2422 SLIBPREF=""
2423 SLIBSUF=".dll"
2424 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2425 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2426 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2427 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2428 SLIB_INSTALL_LINKS=
2429 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2430 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2431 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'
2432 objformat="win32"
2433 dlltool="${cross_prefix}dlltool"
2434 enable dos_paths
2435 check_cflags -fno-common
2436 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2437 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2438 die "ERROR: MinGW runtime version must be >= 3.15."
2439 add_cppflags -U__STRICT_ANSI__
2440 ;;
2441 cygwin*)
2442 target_os=cygwin
2443 shlibdir_default="$bindir_default"
2444 SLIBPREF="cyg"
2445 SLIBSUF=".dll"
2446 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2447 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2448 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2449 objformat="win32"
2450 enable dos_paths
2451 check_cflags -fno-common
2452 add_cppflags -U__STRICT_ANSI__
2453 ;;
2454 *-dos|freedos|opendos)
2455 network_extralibs="-lsocket"
2456 objformat="coff"
2457 enable dos_paths
2458 add_cppflags -U__STRICT_ANSI__
2459 ;;
2460 linux)
2461 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2462 enable dv1394
2463 ;;
2464 irix*)
2465 target_os=irix
2466 ranlib="echo ignoring ranlib"
2467 ;;
2468 os/2*)
2469 ln_s="cp -f"
2470 objformat="aout"
2471 add_cppflags -D_GNU_SOURCE
2472 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2473 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2474 FFSERVERLDFLAGS=""
2475 LIBSUF="_s.a"
2476 SLIBPREF=""
2477 SLIBSUF=".dll"
2478 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2479 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2480 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2481 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2482 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2483 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2484 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2485 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2486 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2487 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2488 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2489 enable dos_paths
2490 ;;
2491 gnu/kfreebsd)
2492 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2493 ;;
2494 gnu)
2495 ;;
2496 qnx)
2497 add_cppflags -D_QNX_SOURCE
2498 network_extralibs="-lsocket"
2499 ;;
2500 symbian)
2501 SLIBSUF=".dll"
2502 enable dos_paths
2503 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2504 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2505 add_ldflags -Wl,--target1-abs,--no-undefined \
2506 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2507 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2508 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2509 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2510 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2511 ;;
2512 none)
2513 ;;
2514 *)
2515 die "Unknown OS '$target_os'."
2516 ;;
2517 esac
2518
2519 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2520
2521 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2522
2523 set_default $PATHS_LIST
2524
2525 # we need to build at least one lib type
2526 if ! enabled_any static shared; then
2527 cat <<EOF
2528 At least one library type must be built.
2529 Specify --enable-static to build the static libraries or --enable-shared to
2530 build the shared libraries as well. To only build the shared libraries specify
2531 --disable-static in addition to --enable-shared.
2532 EOF
2533 exit 1;
2534 fi
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 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2594
2595 if enabled alpha; then
2596
2597 check_cflags -mieee
2598
2599 elif enabled arm; then
2600
2601 enabled thumb && check_cflags -mthumb || check_cflags -marm
2602 nogas=die
2603
2604 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2605 enable vfp_args
2606 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2607 case "${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 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2618 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2619 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2620 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2621 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2622 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2623 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2624
2625 enabled_all armv6t2 shared !pic && enable_pic
2626
2627 elif enabled mips; then
2628
2629 check_asm loongson '"dmult.g $1, $2, $3"'
2630 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2631
2632 elif enabled ppc; then
2633
2634 enable local_aligned_8 local_aligned_16
2635
2636 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2637 check_asm ibm_asm '"add 0, 0, 0"'
2638 check_asm ppc4xx '"maclhw r10, r11, r12"'
2639 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2640
2641 # AltiVec flags: The FSF version of GCC differs from the Apple version
2642 if enabled altivec; then
2643 nogas=warn
2644 check_cflags -maltivec -mabi=altivec &&
2645 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2646 check_cflags -faltivec
2647
2648 # check if our compiler supports Motorola AltiVec C API
2649 check_cc <<EOF || disable altivec
2650 $inc_altivec_h
2651 int main(void) {
2652 vector signed int v1, v2, v3;
2653 v1 = vec_add(v2,v3);
2654 return 0;
2655 }
2656 EOF
2657
2658 # check if our compiler supports braces for vector declarations
2659 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2660 $inc_altivec_h
2661 int main (void) { (vector int) {1}; return 0; }
2662 EOF
2663 fi
2664
2665 elif enabled sparc; then
2666
2667 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2668 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2669
2670 elif enabled x86; then
2671
2672 enable local_aligned_8 local_aligned_16
2673
2674 # check whether EBP is available on x86
2675 # As 'i' is stored on the stack, this program will crash
2676 # if the base pointer is used to access it because the
2677 # base pointer is cleared in the inline assembly code.
2678 check_exec_crash <<EOF && enable ebp_available
2679 volatile int i=0;
2680 __asm__ volatile (
2681 "xorl %%ebp, %%ebp"
2682 ::: "%ebp");
2683 return i;
2684 EOF
2685
2686 # check whether EBX is available on x86
2687 check_asm ebx_available '""::"b"(0)' &&
2688 check_asm ebx_available '"":::"%ebx"'
2689
2690 # check whether xmm clobbers are supported
2691 check_asm xmm_clobbers '"":::"%xmm0"'
2692
2693 # check whether binutils is new enough to compile SSSE3/MMX2
2694 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2695 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2696
2697 check_asm bswap '"bswap %%eax" ::: "%eax"'
2698
2699 if ! disabled_any asm mmx yasm; then
2700 if check_cmd $yasmexe --version; then
2701 enabled x86_64 && yasm_extra="-m amd64"
2702 yasm_debug="-g dwarf2"
2703 elif check_cmd nasm -v; then
2704 yasmexe=nasm
2705 yasm_debug="-g -F dwarf"
2706 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2707 fi
2708
2709 YASMFLAGS="-f $objformat $yasm_extra"
2710 enabled pic && append YASMFLAGS "-DPIC"
2711 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2712 case "$objformat" in
2713 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2714 esac
2715
2716 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2717 die "yasm not found, use --disable-yasm for a crippled build"
2718 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2719 fi
2720
2721 case "$cpu" in
2722 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2723 disable fast_clz
2724 ;;
2725 esac
2726
2727 fi
2728
2729 if enabled asm; then
2730 as=${gas:=$as}
2731 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2732 $nogas "GNU assembler not found, install gas-preprocessor"
2733 fi
2734
2735 check_ldflags -Wl,--as-needed
2736
2737 if check_func dlopen; then
2738 ldl=
2739 elif check_func dlopen -ldl; then
2740 ldl=-ldl
2741 fi
2742
2743 if enabled network; then
2744 check_type "sys/types.h sys/socket.h" socklen_t
2745 check_type netdb.h "struct addrinfo"
2746 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2747 check_type netinet/in.h "struct sockaddr_in6"
2748 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2749 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2750 # Prefer arpa/inet.h over winsock2
2751 if check_header arpa/inet.h ; then
2752 check_func closesocket
2753 elif check_header winsock2.h ; then
2754 check_func_headers winsock2.h closesocket -lws2 && \
2755 network_extralibs="-lws2" || \
2756 { check_func_headers winsock2.h closesocket -lws2_32 && \
2757 network_extralibs="-lws2_32"; }
2758 check_type ws2tcpip.h socklen_t
2759 check_type ws2tcpip.h "struct addrinfo"
2760 check_type ws2tcpip.h "struct ipv6_mreq"
2761 check_type ws2tcpip.h "struct sockaddr_in6"
2762 check_type ws2tcpip.h "struct sockaddr_storage"
2763 check_struct winsock2.h "struct sockaddr" sa_len
2764 else
2765 disable network
2766 fi
2767 fi
2768
2769 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2770 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2771
2772 check_func fcntl
2773 check_func fork
2774 check_func getaddrinfo $network_extralibs
2775 check_func gethrtime
2776 check_func getrusage
2777 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2778 check_func inet_aton $network_extralibs
2779 check_func isatty
2780 check_func localtime_r
2781 check_func ${malloc_prefix}memalign && enable memalign
2782 check_func mkstemp
2783 check_func mmap
2784 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2785 check_func setrlimit
2786 check_func strerror_r
2787 check_func strptime
2788 check_func strtok_r
2789 check_func_headers io.h setmode
2790 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2791 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2792 check_func_headers windows.h GetProcessTimes
2793 check_func_headers windows.h MapViewOfFile
2794 check_func_headers windows.h VirtualAlloc
2795
2796 check_header dlfcn.h
2797 check_header dxva2api.h
2798 check_header malloc.h
2799 check_header poll.h
2800 check_header sys/mman.h
2801 check_header sys/resource.h
2802 check_header sys/select.h
2803 check_header vdpau/vdpau.h
2804 check_header vdpau/vdpau_x11.h
2805 check_header X11/extensions/XvMClib.h
2806
2807 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2808
2809 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2810 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2811
2812 # check for some common methods of building with pthread support
2813 # do this before the optional library checks as some of them require pthreads
2814 if ! disabled pthreads && ! enabled w32threads; then
2815 enable pthreads
2816 if check_func pthread_create; then
2817 :
2818 elif check_func pthread_create -pthread; then
2819 add_cflags -pthread
2820 add_extralibs -pthread
2821 elif check_func pthread_create -pthreads; then
2822 add_cflags -pthreads
2823 add_extralibs -pthreads
2824 elif check_func pthread_create -lpthreadGC2; then
2825 add_extralibs -lpthreadGC2
2826 elif ! check_lib pthread.h pthread_create -lpthread; then
2827 disable pthreads
2828 fi
2829 fi
2830
2831 for thread in $THREADS_LIST; do
2832 if enabled $thread; then
2833 test -n "$thread_type" &&
2834 die "ERROR: Only one thread type must be selected." ||
2835 thread_type="$thread"
2836 fi
2837 done
2838
2839 check_lib math.h sin -lm && LIBM="-lm"
2840 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2841
2842 check_mathfunc exp2
2843 check_mathfunc exp2f
2844 check_mathfunc llrint
2845 check_mathfunc llrintf
2846 check_mathfunc log2
2847 check_mathfunc log2f
2848 check_mathfunc lrint
2849 check_mathfunc lrintf
2850 check_mathfunc round
2851 check_mathfunc roundf
2852 check_mathfunc trunc
2853 check_mathfunc truncf
2854
2855 # these are off by default, so fail if requested and not available
2856 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2857 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2858 enabled libdirac && require_pkg_config dirac \
2859 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2860 "dirac_decoder_init dirac_encoder_init"
2861 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2862 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2863 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2864 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2865 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2866 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2867 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2868 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2869 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2870 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2871 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2872 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2873 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2874 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2875 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2876 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2877 enabled libvpx && {
2878 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2879 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2880 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2881 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2882 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2883 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2884 die "ERROR: libx264 version must be >= 0.115."; }
2885 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2886 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2887 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2888
2889 # libdc1394 check
2890 if enabled libdc1394; then
2891 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2892 enable libdc1394_2; } ||
2893 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2894 enable libdc1394_1; } ||
2895 die "ERROR: No version of libdc1394 found "
2896 fi
2897
2898 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2899 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2900 enable sdl &&
2901 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2902 fi
2903
2904 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2905
2906 check_header linux/fb.h
2907 check_header linux/videodev.h
2908 check_header linux/videodev2.h
2909 check_header sys/videoio.h
2910
2911 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2912 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2913 # w32api 3.12 had it defined wrong
2914 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2915
2916 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2917 { check_header dev/bktr/ioctl_meteor.h &&
2918 check_header dev/bktr/ioctl_bt848.h; } ||
2919 { check_header machine/ioctl_meteor.h &&
2920 check_header machine/ioctl_bt848.h; } ||
2921 { check_header dev/video/meteor/ioctl_meteor.h &&
2922 check_header dev/video/bktr/ioctl_bt848.h; } ||
2923 check_header dev/ic/bt8xx.h
2924
2925 check_header sndio.h
2926 check_header sys/soundcard.h
2927 check_header soundcard.h
2928
2929 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2930
2931 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2932
2933 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2934
2935 enabled x11grab &&
2936 check_header X11/Xlib.h &&
2937 check_header X11/extensions/XShm.h &&
2938 check_header X11/extensions/Xfixes.h &&
2939 check_func XOpenDisplay -lX11 &&
2940 check_func XShmCreateImage -lX11 -lXext &&
2941 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2942
2943 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2944 check_cpp_condition \
2945 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2946 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2947 disable vdpau; }
2948 fi
2949
2950 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2951
2952 # add some useful compiler flags if supported
2953 check_cflags -Wdeclaration-after-statement
2954 check_cflags -Wall
2955 check_cflags -Wno-parentheses
2956 check_cflags -Wno-switch
2957 check_cflags -Wno-format-zero-length
2958 check_cflags -Wdisabled-optimization
2959 check_cflags -Wpointer-arith
2960 check_cflags -Wredundant-decls
2961 check_cflags -Wno-pointer-sign
2962 check_cflags -Wcast-qual
2963 check_cflags -Wwrite-strings
2964 check_cflags -Wtype-limits
2965 check_cflags -Wundef
2966 check_cflags -Wmissing-prototypes
2967 enabled extra_warnings && check_cflags -Winline
2968
2969 # add some linker flags
2970 check_ldflags -Wl,--warn-common
2971 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
2972 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2973
2974 echo "X{};" > $TMPV
2975 if test_ldflags -Wl,--version-script,$TMPV; then
2976 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2977 check_cc <<EOF && enable symver_asm_label
2978 void ff_foo(void) __asm__ ("av_foo@VERSION");
2979 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2980 EOF
2981 check_cc <<EOF && enable symver_gnu_asm
2982 __asm__(".symver ff_foo,av_foo@VERSION");
2983 void ff_foo(void) {}
2984 EOF
2985 fi
2986
2987 if [ -n "$optflags" ]; then
2988 add_cflags $optflags
2989 elif enabled small; then
2990 add_cflags $size_cflags
2991 elif enabled optimizations; then
2992 add_cflags $speed_cflags
2993 else
2994 add_cflags $noopt_cflags
2995 fi
2996 check_cflags -fno-math-errno
2997 check_cflags -fno-signed-zeros
2998
2999 if enabled icc; then
3000 # Just warnings, no remarks
3001 check_cflags -w1
3002 # -wd: Disable following warnings
3003 # 144, 167, 556: -Wno-pointer-sign
3004 # 1292: attribute "foo" ignored
3005 # 10006: ignoring unknown option -fno-signed-zeros
3006 # 10148: ignoring unknown option -Wno-parentheses
3007 # 10156: ignoring option '-W'; no argument required
3008 check_cflags -wd144,167,556,1292,10006,10148,10156
3009 # 11030: Warning unknown option --as-needed
3010 # 10156: ignoring option '-export'; no argument required
3011 check_ldflags -wd10156,11030
3012 # Allow to compile with optimizations
3013 check_ldflags -march=$cpu
3014 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3015 enable ebp_available
3016 if enabled x86_32; then
3017 test ${icc_version%%.*} -ge 11 && \
3018 check_cflags -falign-stack=maintain-16-byte || \
3019 disable aligned_stack
3020 fi
3021 elif enabled ccc; then
3022 # disable some annoying warnings
3023 add_cflags -msg_disable cvtu32to64
3024 add_cflags -msg_disable embedcomment
3025 add_cflags -msg_disable needconstext
3026 add_cflags -msg_disable nomainieee
3027 add_cflags -msg_disable ptrmismatch1
3028 add_cflags -msg_disable unreachcode
3029 elif enabled gcc; then
3030 check_cflags -fno-tree-vectorize
3031 check_cflags -Werror=implicit-function-declaration
3032 check_cflags -Werror=missing-prototypes
3033 elif enabled llvm_gcc; then
3034 check_cflags -mllvm -stack-alignment=16
3035 elif enabled clang; then
3036 check_cflags -mllvm -stack-alignment=16
3037 check_cflags -Qunused-arguments
3038 elif enabled armcc; then
3039 # 2523: use of inline assembler is deprecated
3040 add_cflags -W${armcc_opt},--diag_suppress=2523
3041 add_cflags -W${armcc_opt},--diag_suppress=1207
3042 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3043 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3044 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3045 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3046 elif enabled tms470; then
3047 add_cflags -pds=824 -pds=837
3048 elif enabled pathscale; then
3049 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3050 fi
3051
3052 enabled_any $THREADS_LIST && enable threads
3053
3054 check_deps $CONFIG_LIST \
3055 $CONFIG_EXTRA \
3056 $HAVE_LIST \
3057 $DECODER_LIST \
3058 $ENCODER_LIST \
3059 $HWACCEL_LIST \
3060 $PARSER_LIST \
3061 $BSF_LIST \
3062 $DEMUXER_LIST \
3063 $MUXER_LIST \
3064 $FILTER_LIST \
3065 $INDEV_LIST \
3066 $OUTDEV_LIST \
3067 $PROTOCOL_LIST \
3068 $ACODEC_TESTS \
3069 $VCODEC_TESTS \
3070 $LAVF_TESTS \
3071 $LAVFI_TESTS \
3072 $SEEK_TESTS \
3073
3074 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3075
3076 ! enabled_any memalign posix_memalign malloc_aligned &&
3077 enabled_any $need_memalign && enable memalign_hack
3078
3079 echo "install prefix $prefix"
3080 echo "source path $source_path"
3081 echo "C compiler $cc"
3082 echo "ARCH $arch ($cpu)"
3083 if test "$build_suffix" != ""; then
3084 echo "build suffix $build_suffix"
3085 fi
3086 if test "$extra_version" != ""; then
3087 echo "version string suffix $extra_version"
3088 fi
3089 echo "big-endian ${bigendian-no}"
3090 echo "runtime cpu detection ${runtime_cpudetect-no}"
3091 if enabled x86; then
3092 echo "${yasmexe} ${yasm-no}"
3093 echo "MMX enabled ${mmx-no}"
3094 echo "MMX2 enabled ${mmx2-no}"
3095 echo "3DNow! enabled ${amd3dnow-no}"
3096 echo "3DNow! extended enabled ${amd3dnowext-no}"
3097 echo "SSE enabled ${sse-no}"
3098 echo "SSSE3 enabled ${ssse3-no}"
3099 echo "AVX enabled ${avx-no}"
3100 echo "CMOV enabled ${cmov-no}"
3101 echo "CMOV is fast ${fast_cmov-no}"
3102 echo "EBX available ${ebx_available-no}"
3103 echo "EBP available ${ebp_available-no}"
3104 fi
3105 if enabled arm; then
3106 echo "ARMv5TE enabled ${armv5te-no}"
3107 echo "ARMv6 enabled ${armv6-no}"
3108 echo "ARMv6T2 enabled ${armv6t2-no}"
3109 echo "ARM VFP enabled ${armvfp-no}"
3110 echo "IWMMXT enabled ${iwmmxt-no}"
3111 echo "NEON enabled ${neon-no}"
3112 fi
3113 if enabled mips; then
3114 echo "MMI enabled ${mmi-no}"
3115 fi
3116 if enabled ppc; then
3117 echo "AltiVec enabled ${altivec-no}"
3118 echo "PPC 4xx optimizations ${ppc4xx-no}"
3119 echo "dcbzl available ${dcbzl-no}"
3120 fi
3121 if enabled sparc; then
3122 echo "VIS enabled ${vis-no}"
3123 fi
3124 echo "debug symbols ${debug-no}"
3125 echo "optimize for size ${small-no}"
3126 echo "optimizations ${optimizations-no}"
3127 echo "static ${static-no}"
3128 echo "shared ${shared-no}"
3129 echo "postprocessing support ${postproc-no}"
3130 echo "new filter support ${avfilter-no}"
3131 echo "network support ${network-no}"
3132 echo "threading support ${thread_type-no}"
3133 echo "SDL support ${sdl-no}"
3134 echo "Sun medialib support ${mlib-no}"
3135 echo "libdxva2 enabled ${dxva2-no}"
3136 echo "libva enabled ${vaapi-no}"
3137 echo "libvdpau enabled ${vdpau-no}"
3138 echo "AVISynth enabled ${avisynth-no}"
3139 echo "frei0r enabled ${frei0r-no}"
3140 echo "libdc1394 support ${libdc1394-no}"
3141 echo "libdirac enabled ${libdirac-no}"
3142 echo "libfaac enabled ${libfaac-no}"
3143 echo "libgsm enabled ${libgsm-no}"
3144 echo "libmp3lame enabled ${libmp3lame-no}"
3145 echo "libnut enabled ${libnut-no}"
3146 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3147 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3148 echo "libopencv support ${libopencv-no}"
3149 echo "libopenjpeg enabled ${libopenjpeg-no}"
3150 echo "librtmp enabled ${librtmp-no}"
3151 echo "libschroedinger enabled ${libschroedinger-no}"
3152 echo "libspeex enabled ${libspeex-no}"
3153 echo "libtheora enabled ${libtheora-no}"
3154 echo "libvo-aacenc support ${libvo_aacenc-no}"
3155 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3156 echo "libvorbis enabled ${libvorbis-no}"
3157 echo "libvpx enabled ${libvpx-no}"
3158 echo "libx264 enabled ${libx264-no}"
3159 echo "libxavs enabled ${libxavs-no}"
3160 echo "libxvid enabled ${libxvid-no}"
3161 echo "zlib enabled ${zlib-no}"
3162 echo "bzlib enabled ${bzlib-no}"
3163 echo
3164
3165 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3166 echo "Enabled ${type}s:"
3167 eval list=\$$(toupper $type)_LIST
3168 print_enabled '_*' $list | sort | pr -r -3 -t
3169 echo
3170 done
3171
3172 license="LGPL version 2.1 or later"
3173 if enabled nonfree; then
3174 license="nonfree and unredistributable"
3175 elif enabled gplv3; then
3176 license="GPL version 3 or later"
3177 elif enabled lgplv3; then
3178 license="LGPL version 3 or later"
3179 elif enabled gpl; then
3180 license="GPL version 2 or later"
3181 fi
3182
3183 echo "License: $license"
3184
3185 echo "Creating config.mak and config.h..."
3186
3187 test -e Makefile || $ln_s "$source_path/Makefile" .
3188
3189 config_files="$TMPH config.mak"
3190
3191 cat > config.mak <<EOF
3192 # Automatically generated by configure - do not modify!
3193 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3194 prefix=$prefix
3195 LIBDIR=\$(DESTDIR)$libdir
3196 SHLIBDIR=\$(DESTDIR)$shlibdir
3197 INCDIR=\$(DESTDIR)$incdir
3198 BINDIR=\$(DESTDIR)$bindir
3199 DATADIR=\$(DESTDIR)$datadir
3200 MANDIR=\$(DESTDIR)$mandir
3201 SRC_PATH=$source_path
3202 CC_IDENT=$cc_ident
3203 ARCH=$arch
3204 CC=$cc
3205 AS=$as
3206 LD=$ld
3207 DEPCC=$dep_cc
3208 YASM=$yasmexe
3209 YASMDEP=$yasmexe
3210 AR=$ar
3211 RANLIB=$ranlib
3212 LN_S=$ln_s
3213 CPPFLAGS=$CPPFLAGS
3214 CFLAGS=$CFLAGS
3215 ASFLAGS=$ASFLAGS
3216 AS_O=$CC_O
3217 CC_O=$CC_O
3218 DLLTOOL=$dlltool
3219 LDFLAGS=$LDFLAGS
3220 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3221 SHFLAGS=$SHFLAGS
3222 YASMFLAGS=$YASMFLAGS
3223 BUILDSUF=$build_suffix
3224 FULLNAME=$FULLNAME
3225 LIBPREF=$LIBPREF
3226 LIBSUF=$LIBSUF
3227 LIBNAME=$LIBNAME
3228 SLIBPREF=$SLIBPREF
3229 SLIBSUF=$SLIBSUF
3230 EXESUF=$EXESUF
3231 EXTRA_VERSION=$extra_version
3232 DEPFLAGS=$DEPFLAGS
3233 CCDEP=$CCDEP
3234 ASDEP=$ASDEP
3235 CC_DEPFLAGS=$CC_DEPFLAGS
3236 AS_DEPFLAGS=$AS_DEPFLAGS
3237 HOSTCC=$host_cc
3238 HOSTCFLAGS=$host_cflags
3239 HOSTEXESUF=$HOSTEXESUF
3240 HOSTLDFLAGS=$host_ldflags
3241 HOSTLIBS=$host_libs
3242 TARGET_EXEC=$target_exec
3243 TARGET_PATH=$target_path
3244 SDL_LIBS=$sdl_libs
3245 SDL_CFLAGS=$sdl_cflags
3246 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3247 EXTRALIBS=$extralibs
3248 INSTALL=install
3249 LIBTARGET=${LIBTARGET}
3250 SLIBNAME=${SLIBNAME}
3251 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3252 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3253 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3254 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3255 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3256 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3257 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3258 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3259 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3260 EOF
3261
3262 get_version(){
3263 name=$1
3264 file=$source_path/$2
3265 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3266 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3267 lcname=$(tolower $name)
3268 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3269 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3270 }
3271
3272 get_version LIBSWSCALE libswscale/swscale.h
3273 get_version LIBPOSTPROC libpostproc/postprocess.h
3274 get_version LIBAVCODEC libavcodec/version.h
3275 get_version LIBAVDEVICE libavdevice/avdevice.h
3276 get_version LIBAVFORMAT libavformat/version.h
3277 get_version LIBAVUTIL libavutil/avutil.h
3278 get_version LIBAVFILTER libavfilter/avfilter.h
3279
3280 cat > $TMPH <<EOF
3281 /* Automatically generated by configure - do not modify! */
3282 #ifndef LIBAV_CONFIG_H
3283 #define LIBAV_CONFIG_H
3284 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3285 #define LIBAV_LICENSE "$(c_escape $license)"
3286 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3287 #define CC_TYPE "$cc_type"
3288 #define CC_VERSION $cc_version
3289 #define restrict $_restrict
3290 #define EXTERN_PREFIX "${extern_prefix}"
3291 #define EXTERN_ASM ${extern_prefix}
3292 #define SLIBSUF "$SLIBSUF"
3293 EOF
3294
3295 test -n "$malloc_prefix" &&
3296 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3297
3298 if enabled small || disabled optimizations; then
3299 echo "#undef av_always_inline" >> $TMPH
3300 if enabled small; then
3301 echo "#define av_always_inline inline" >> $TMPH
3302 else
3303 echo "#define av_always_inline av_unused" >> $TMPH
3304 fi
3305 fi
3306
3307 if enabled yasm; then
3308 append config_files $TMPASM
3309 printf '' >$TMPASM
3310 fi
3311
3312 print_config ARCH_ "$config_files" $ARCH_LIST
3313 print_config HAVE_ "$config_files" $HAVE_LIST
3314 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3315 $CONFIG_EXTRA \
3316 $DECODER_LIST \
3317 $ENCODER_LIST \
3318 $HWACCEL_LIST \
3319 $PARSER_LIST \
3320 $BSF_LIST \
3321 $DEMUXER_LIST \
3322 $MUXER_LIST \
3323 $FILTER_LIST \
3324 $PROTOCOL_LIST \
3325 $INDEV_LIST \
3326 $OUTDEV_LIST \
3327
3328 cat >>config.mak <<EOF
3329 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3330 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3331 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3332 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3333 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3334 EOF
3335
3336 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3337
3338 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3339 cp_if_changed $TMPH config.h
3340 touch .config
3341
3342 enabled yasm && cp_if_changed $TMPASM config.asm
3343
3344 cat > $TMPH <<EOF
3345 /* Generated by ffconf */
3346 #ifndef AVUTIL_AVCONFIG_H
3347 #define AVUTIL_AVCONFIG_H
3348 EOF
3349
3350 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3351
3352 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3353
3354 cp_if_changed $TMPH libavutil/avconfig.h
3355
3356 test -n "$WARNINGS" && printf "\n$WARNINGS"
3357
3358 # build pkg-config files
3359
3360 pkgconfig_generate(){
3361 name=$1
3362 shortname=${name#lib}${build_suffix}
3363 comment=$2
3364 version=$3
3365 libs=$4
3366 requires=$5
3367 enabled ${name#lib} || return 0
3368 mkdir -p $name
3369 cat <<EOF > $name/$name.pc
3370 prefix=$prefix
3371 exec_prefix=\${prefix}
3372 libdir=$libdir
3373 includedir=$incdir
3374
3375 Name: $name
3376 Description: $comment
3377 Version: $version
3378 Requires: $(enabled shared || echo $requires)
3379 Requires.private: $(enabled shared && echo $requires)
3380 Conflicts:
3381 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3382 Libs.private: $(enabled shared && echo $libs)
3383 Cflags: -I\${includedir}
3384 EOF
3385 cat <<EOF > $name/$name-uninstalled.pc
3386 prefix=
3387 exec_prefix=
3388 libdir=\${pcfiledir}
3389 includedir=${source_path}
3390
3391 Name: $name
3392 Description: $comment
3393 Version: $version
3394 Requires: $requires
3395 Conflicts:
3396 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3397 Cflags: -I\${includedir}
3398 EOF
3399 }
3400
3401 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3402 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3403 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3404 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3405 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3406 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3407 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"