build: factor out the .c and .S compile commands as a macro
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --disable-postproc disable libpostproc build
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --enable-vaapi enable VAAPI code
110 --enable-vdpau enable VDPAU code
111 --disable-dxva2 disable DXVA2 code
112 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114 --enable-memalign-hack emulate memalign, interferes with memory debuggers
115 --disable-everything disable all components listed below
116 --disable-encoder=NAME disable encoder NAME
117 --enable-encoder=NAME enable encoder NAME
118 --disable-encoders disable all encoders
119 --disable-decoder=NAME disable decoder NAME
120 --enable-decoder=NAME enable decoder NAME
121 --disable-decoders disable all decoders
122 --disable-hwaccel=NAME disable hwaccel NAME
123 --enable-hwaccel=NAME enable hwaccel NAME
124 --disable-hwaccels disable all hwaccels
125 --disable-muxer=NAME disable muxer NAME
126 --enable-muxer=NAME enable muxer NAME
127 --disable-muxers disable all muxers
128 --disable-demuxer=NAME disable demuxer NAME
129 --enable-demuxer=NAME enable demuxer NAME
130 --disable-demuxers disable all demuxers
131 --enable-parser=NAME enable parser NAME
132 --disable-parser=NAME disable parser NAME
133 --disable-parsers disable all parsers
134 --enable-bsf=NAME enable bitstream filter NAME
135 --disable-bsf=NAME disable bitstream filter NAME
136 --disable-bsfs disable all bitstream filters
137 --enable-protocol=NAME enable protocol NAME
138 --disable-protocol=NAME disable protocol NAME
139 --disable-protocols disable all protocols
140 --disable-indev=NAME disable input device NAME
141 --disable-outdev=NAME disable output device NAME
142 --disable-indevs disable input devices
143 --disable-outdevs disable output devices
144 --disable-devices disable all devices
145 --enable-filter=NAME enable filter NAME
146 --disable-filter=NAME disable filter NAME
147 --disable-filters disable all filters
148 --list-decoders show all available decoders
149 --list-encoders show all available encoders
150 --list-hwaccels show all available hardware accelerators
151 --list-muxers show all available muxers
152 --list-demuxers show all available demuxers
153 --list-parsers show all available parsers
154 --list-protocols show all available protocols
155 --list-bsfs show all available bitstream filters
156 --list-indevs show all available input devices
157 --list-outdevs show all available output devices
158 --list-filters show all available filters
159
160 External library support:
161 --enable-avisynth enable reading of AVISynth script files [no]
162 --enable-bzlib enable bzlib [autodetect]
163 --enable-frei0r enable frei0r video filtering
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libopencv enable video filtering via libopencv [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfreetype enable libfreetype [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-avx disable AVX optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239 --disable-symver disable symbol versioning
240 --optflags override optimization-related compiler flags
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
955 mpegaudiodsp
956 network
957 nonfree
958 pic
959 postproc
960 rdft
961 rtpdec
962 runtime_cpudetect
963 shared
964 sinewin
965 small
966 sram
967 static
968 swscale
969 swscale_alpha
970 thumb
971 vaapi
972 vdpau
973 version3
974 x11grab
975 zlib
976 "
977
978 THREADS_LIST='
979 pthreads
980 w32threads
981 '
982
983 ARCH_LIST='
984 alpha
985 arm
986 avr32
987 avr32_ap
988 avr32_uc
989 bfin
990 ia64
991 m68k
992 mips
993 mips64
994 parisc
995 ppc
996 ppc64
997 s390
998 sh4
999 sparc
1000 sparc64
1001 tomi
1002 x86
1003 x86_32
1004 x86_64
1005 '
1006
1007 ARCH_EXT_LIST='
1008 altivec
1009 amd3dnow
1010 amd3dnowext
1011 armv5te
1012 armv6
1013 armv6t2
1014 armvfp
1015 avx
1016 iwmmxt
1017 mmi
1018 mmx
1019 mmx2
1020 neon
1021 ppc4xx
1022 sse
1023 ssse3
1024 vfpv3
1025 vis
1026 '
1027
1028 HAVE_LIST_PUB='
1029 bigendian
1030 fast_unaligned
1031 '
1032
1033 HAVE_LIST="
1034 $ARCH_EXT_LIST
1035 $HAVE_LIST_PUB
1036 $THREADS_LIST
1037 aligned_stack
1038 alsa_asoundlib_h
1039 altivec_h
1040 arpa_inet_h
1041 attribute_may_alias
1042 attribute_packed
1043 bswap
1044 closesocket
1045 cmov
1046 dcbzl
1047 dev_bktr_ioctl_bt848_h
1048 dev_bktr_ioctl_meteor_h
1049 dev_ic_bt8xx_h
1050 dev_video_meteor_ioctl_meteor_h
1051 dev_video_bktr_ioctl_bt848_h
1052 dlfcn_h
1053 dlopen
1054 dos_paths
1055 ebp_available
1056 ebx_available
1057 exp2
1058 exp2f
1059 fast_64bit
1060 fast_clz
1061 fast_cmov
1062 fcntl
1063 fork
1064 getaddrinfo
1065 gethrtime
1066 GetProcessMemoryInfo
1067 GetProcessTimes
1068 getrusage
1069 gnu_as
1070 struct_rusage_ru_maxrss
1071 ibm_asm
1072 inet_aton
1073 inline_asm
1074 isatty
1075 ldbrx
1076 libdc1394_1
1077 libdc1394_2
1078 llrint
1079 llrintf
1080 local_aligned_16
1081 local_aligned_8
1082 localtime_r
1083 log2
1084 log2f
1085 loongson
1086 lrint
1087 lrintf
1088 lzo1x_999_compress
1089 machine_ioctl_bt848_h
1090 machine_ioctl_meteor_h
1091 malloc_h
1092 MapViewOfFile
1093 memalign
1094 mkstemp
1095 mmap
1096 pld
1097 posix_memalign
1098 round
1099 roundf
1100 sdl
1101 sdl_video_size
1102 setmode
1103 sndio_h
1104 socklen_t
1105 soundcard_h
1106 poll_h
1107 setrlimit
1108 strerror_r
1109 strtok_r
1110 struct_addrinfo
1111 struct_ipv6_mreq
1112 struct_sockaddr_in6
1113 struct_sockaddr_sa_len
1114 struct_sockaddr_storage
1115 symver
1116 symver_gnu_asm
1117 symver_asm_label
1118 sys_mman_h
1119 sys_resource_h
1120 sys_select_h
1121 sys_soundcard_h
1122 sys_videoio_h
1123 ten_operands
1124 threads
1125 trunc
1126 truncf
1127 vfp_args
1128 VirtualAlloc
1129 winsock2_h
1130 xform_asm
1131 xmm_clobbers
1132 yasm
1133 "
1134
1135 # options emitted with CONFIG_ prefix but not available on command line
1136 CONFIG_EXTRA="
1137 avutil
1138 gplv3
1139 lgplv3
1140 "
1141
1142 CMDLINE_SELECT="
1143 $ARCH_EXT_LIST
1144 $CONFIG_LIST
1145 $THREADS_LIST
1146 asm
1147 cross_compile
1148 debug
1149 extra_warnings
1150 logging
1151 optimizations
1152 symver
1153 yasm
1154 "
1155
1156 PATHS_LIST='
1157 bindir
1158 datadir
1159 incdir
1160 libdir
1161 mandir
1162 prefix
1163 shlibdir
1164 '
1165
1166 CMDLINE_SET="
1167 $PATHS_LIST
1168 ar
1169 arch
1170 as
1171 build_suffix
1172 cc
1173 cpu
1174 cross_prefix
1175 dep_cc
1176 extra_version
1177 host_cc
1178 host_cflags
1179 host_ldflags
1180 host_libs
1181 host_os
1182 ld
1183 logfile
1184 malloc_prefix
1185 nm
1186 optflags
1187 pkg_config
1188 samples
1189 sysinclude
1190 sysroot
1191 target_exec
1192 target_os
1193 target_path
1194 "
1195
1196 CMDLINE_APPEND="
1197 extra_cflags
1198 "
1199
1200 # code dependency declarations
1201
1202 # architecture extensions
1203
1204 armv5te_deps="arm"
1205 armv6_deps="arm"
1206 armv6t2_deps="arm"
1207 armvfp_deps="arm"
1208 iwmmxt_deps="arm"
1209 neon_deps="arm"
1210 vfpv3_deps="armvfp"
1211
1212 mmi_deps="mips"
1213
1214 altivec_deps="ppc"
1215 ppc4xx_deps="ppc"
1216
1217 vis_deps="sparc"
1218
1219 x86_64_suggest="cmov fast_cmov"
1220 amd3dnow_deps="mmx"
1221 amd3dnowext_deps="amd3dnow"
1222 mmx_deps="x86"
1223 mmx2_deps="mmx"
1224 sse_deps="mmx"
1225 ssse3_deps="sse"
1226 avx_deps="ssse3"
1227
1228 aligned_stack_if_any="ppc x86"
1229 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1230 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1231 fast_unaligned_if_any="armv6 ppc x86"
1232
1233 need_memalign="altivec neon sse"
1234 inline_asm_deps="!tms470"
1235
1236 symver_if_any="symver_asm_label symver_gnu_asm"
1237
1238 # subsystems
1239 dct_select="rdft"
1240 mdct_select="fft"
1241 rdft_select="fft"
1242 mpegaudiodsp_select="dct"
1243
1244 # decoders / encoders / hardware accelerators
1245 aac_decoder_select="mdct sinewin"
1246 aac_encoder_select="mdct sinewin"
1247 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1248 ac3_decoder_select="mdct ac3dsp ac3_parser"
1249 ac3_encoder_select="mdct ac3dsp"
1250 ac3_fixed_encoder_select="mdct ac3dsp"
1251 alac_encoder_select="lpc"
1252 amrnb_decoder_select="lsp"
1253 amrwb_decoder_select="lsp"
1254 atrac1_decoder_select="mdct sinewin"
1255 atrac3_decoder_select="mdct"
1256 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1257 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1258 cavs_decoder_select="golomb"
1259 cook_decoder_select="mdct sinewin"
1260 cscd_decoder_suggest="zlib"
1261 dca_decoder_select="mdct"
1262 dnxhd_encoder_select="aandct"
1263 dxa_decoder_select="zlib"
1264 eac3_decoder_select="ac3_decoder"
1265 eac3_encoder_select="mdct ac3dsp"
1266 eamad_decoder_select="aandct"
1267 eatgq_decoder_select="aandct"
1268 eatqi_decoder_select="aandct"
1269 ffv1_decoder_select="golomb"
1270 flac_decoder_select="golomb"
1271 flac_encoder_select="golomb lpc"
1272 flashsv_decoder_select="zlib"
1273 flashsv_encoder_select="zlib"
1274 flv_decoder_select="h263_decoder"
1275 flv_encoder_select="h263_encoder"
1276 fraps_decoder_select="huffman"
1277 h261_encoder_select="aandct"
1278 h263_decoder_select="h263_parser"
1279 h263_encoder_select="aandct"
1280 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1281 h263i_decoder_select="h263_decoder"
1282 h263p_encoder_select="h263_encoder"
1283 h264_decoder_select="golomb h264dsp h264pred"
1284 h264_dxva2_hwaccel_deps="dxva2api_h"
1285 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1286 h264_vaapi_hwaccel_select="vaapi"
1287 h264_vdpau_decoder_select="vdpau h264_decoder"
1288 imc_decoder_select="fft mdct sinewin"
1289 jpegls_decoder_select="golomb"
1290 jpegls_encoder_select="golomb"
1291 ljpeg_encoder_select="aandct"
1292 loco_decoder_select="golomb"
1293 mjpeg_encoder_select="aandct"
1294 mlp_decoder_select="mlp_parser"
1295 mp1_decoder_select="mpegaudiodsp"
1296 mp2_decoder_select="mpegaudiodsp"
1297 mp3adu_decoder_select="mpegaudiodsp"
1298 mp3_decoder_select="mpegaudiodsp"
1299 mp3on4_decoder_select="mpegaudiodsp"
1300 mp1float_decoder_select="mpegaudiodsp"
1301 mp2float_decoder_select="mpegaudiodsp"
1302 mp3adufloat_decoder_select="mpegaudiodsp"
1303 mp3float_decoder_select="mpegaudiodsp"
1304 mp3on4float_decoder_select="mpegaudiodsp"
1305 mpeg1video_encoder_select="aandct"
1306 mpeg2video_encoder_select="aandct"
1307 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1308 mpeg4_encoder_select="h263_encoder"
1309 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1310 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1311 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1312 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1313 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1314 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1315 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1316 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1317 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1318 msmpeg4v1_decoder_select="h263_decoder"
1319 msmpeg4v1_encoder_select="h263_encoder"
1320 msmpeg4v2_decoder_select="h263_decoder"
1321 msmpeg4v2_encoder_select="h263_encoder"
1322 msmpeg4v3_decoder_select="h263_decoder"
1323 msmpeg4v3_encoder_select="h263_encoder"
1324 nellymoser_decoder_select="mdct sinewin"
1325 nellymoser_encoder_select="mdct sinewin"
1326 png_decoder_select="zlib"
1327 png_encoder_select="zlib"
1328 qcelp_decoder_select="lsp"
1329 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1330 ra_144_encoder_select="lpc"
1331 rv10_decoder_select="h263_decoder"
1332 rv10_encoder_select="h263_encoder"
1333 rv20_decoder_select="h263_decoder"
1334 rv20_encoder_select="h263_encoder"
1335 rv30_decoder_select="golomb h264pred"
1336 rv40_decoder_select="golomb h264pred"
1337 shorten_decoder_select="golomb"
1338 sipr_decoder_select="lsp"
1339 snow_decoder_select="dwt"
1340 snow_encoder_select="aandct dwt"
1341 svq1_encoder_select="aandct"
1342 svq3_decoder_select="golomb h264dsp h264pred"
1343 svq3_decoder_suggest="zlib"
1344 theora_decoder_select="vp3_decoder"
1345 tiff_decoder_suggest="zlib"
1346 tiff_encoder_suggest="zlib"
1347 truehd_decoder_select="mlp_decoder"
1348 tscc_decoder_select="zlib"
1349 twinvq_decoder_select="mdct lsp sinewin"
1350 vc1_decoder_select="h263_decoder"
1351 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1352 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1353 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1354 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1355 vorbis_decoder_select="mdct"
1356 vorbis_encoder_select="mdct"
1357 vp6_decoder_select="huffman"
1358 vp6a_decoder_select="vp6_decoder"
1359 vp6f_decoder_select="vp6_decoder"
1360 vp8_decoder_select="h264pred"
1361 wmapro_decoder_select="mdct sinewin"
1362 wmav1_decoder_select="mdct sinewin"
1363 wmav1_encoder_select="mdct sinewin"
1364 wmav2_decoder_select="mdct sinewin"
1365 wmav2_encoder_select="mdct sinewin"
1366 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1367 wmv1_decoder_select="h263_decoder"
1368 wmv1_encoder_select="h263_encoder"
1369 wmv2_decoder_select="h263_decoder"
1370 wmv2_encoder_select="h263_encoder"
1371 wmv3_decoder_select="vc1_decoder"
1372 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1373 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1374 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1375 zlib_decoder_select="zlib"
1376 zlib_encoder_select="zlib"
1377 zmbv_decoder_select="zlib"
1378 zmbv_encoder_select="zlib"
1379
1380 vaapi_deps="va_va_h"
1381 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1382
1383 # parsers
1384 h264_parser_select="golomb h264dsp h264pred"
1385
1386 # external libraries
1387 libdirac_decoder_deps="libdirac !libschroedinger"
1388 libdirac_encoder_deps="libdirac"
1389 libfaac_encoder_deps="libfaac"
1390 libgsm_decoder_deps="libgsm"
1391 libgsm_encoder_deps="libgsm"
1392 libgsm_ms_decoder_deps="libgsm"
1393 libgsm_ms_encoder_deps="libgsm"
1394 libmp3lame_encoder_deps="libmp3lame"
1395 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1396 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1397 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1398 libopenjpeg_decoder_deps="libopenjpeg"
1399 libschroedinger_decoder_deps="libschroedinger"
1400 libschroedinger_encoder_deps="libschroedinger"
1401 libspeex_decoder_deps="libspeex"
1402 libtheora_encoder_deps="libtheora"
1403 libvo_aacenc_encoder_deps="libvo_aacenc"
1404 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1405 libvorbis_encoder_deps="libvorbis"
1406 libvpx_decoder_deps="libvpx"
1407 libvpx_encoder_deps="libvpx"
1408 libx264_encoder_deps="libx264"
1409 libxavs_encoder_deps="libxavs"
1410 libxvid_encoder_deps="libxvid"
1411
1412 # demuxers / muxers
1413 ac3_demuxer_select="ac3_parser"
1414 asf_stream_muxer_select="asf_muxer"
1415 avisynth_demuxer_deps="avisynth"
1416 dirac_demuxer_select="dirac_parser"
1417 eac3_demuxer_select="ac3_parser"
1418 flac_demuxer_select="flac_parser"
1419 ipod_muxer_select="mov_muxer"
1420 libnut_demuxer_deps="libnut"
1421 libnut_muxer_deps="libnut"
1422 matroska_audio_muxer_select="matroska_muxer"
1423 matroska_demuxer_suggest="zlib bzlib"
1424 mov_demuxer_suggest="zlib"
1425 mp3_demuxer_select="mpegaudio_parser"
1426 mp4_muxer_select="mov_muxer"
1427 mpegtsraw_demuxer_select="mpegts_demuxer"
1428 mxf_d10_muxer_select="mxf_muxer"
1429 ogg_demuxer_select="golomb"
1430 psp_muxer_select="mov_muxer"
1431 rtp_demuxer_select="sdp_demuxer"
1432 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1433 rtsp_demuxer_select="http_protocol rtpdec"
1434 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1435 sap_demuxer_select="sdp_demuxer"
1436 sap_muxer_select="rtp_muxer rtp_protocol"
1437 sdp_demuxer_select="rtpdec"
1438 spdif_muxer_select="aac_parser"
1439 tg2_muxer_select="mov_muxer"
1440 tgp_muxer_select="mov_muxer"
1441 w64_demuxer_deps="wav_demuxer"
1442
1443 # indevs / outdevs
1444 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1445 alsa_outdev_deps="alsa_asoundlib_h"
1446 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1447 dv1394_indev_deps="dv1394 dv_demuxer"
1448 fbdev_indev_deps="linux_fb_h"
1449 jack_indev_deps="jack_jack_h"
1450 libdc1394_indev_deps="libdc1394"
1451 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1452 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1453 sndio_indev_deps="sndio_h"
1454 sndio_outdev_deps="sndio_h"
1455 v4l_indev_deps="linux_videodev_h"
1456 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1457 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1458 vfwcap_indev_extralibs="-lavicap32"
1459 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1460 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1461
1462 # protocols
1463 gopher_protocol_deps="network"
1464 http_protocol_deps="network"
1465 http_protocol_select="tcp_protocol"
1466 mmsh_protocol_select="http_protocol"
1467 mmst_protocol_deps="network"
1468 rtmp_protocol_select="tcp_protocol"
1469 rtp_protocol_select="udp_protocol"
1470 tcp_protocol_deps="network"
1471 udp_protocol_deps="network"
1472
1473 # filters
1474 blackframe_filter_deps="gpl"
1475 cropdetect_filter_deps="gpl"
1476 drawtext_filter_deps="libfreetype"
1477 frei0r_filter_deps="frei0r dlopen strtok_r"
1478 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1479 hqdn3d_filter_deps="gpl"
1480 ocv_filter_deps="libopencv"
1481 scale_filter_deps="swscale"
1482 yadif_filter_deps="gpl"
1483
1484 # libraries
1485 avdevice_deps="avcodec avformat"
1486 avformat_deps="avcodec"
1487 postproc_deps="gpl"
1488
1489 # programs
1490 ffmpeg_deps="avcodec avformat swscale"
1491 ffmpeg_select="buffer_filter"
1492 ffplay_deps="avcodec avformat swscale sdl"
1493 ffplay_select="rdft"
1494 ffprobe_deps="avcodec avformat"
1495 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1496 ffserver_extralibs='$ldl'
1497
1498 doc_deps="texi2html"
1499
1500 # tests
1501
1502 test_deps(){
1503 suf1=$1
1504 suf2=$2
1505 shift 2
1506 for v; do
1507 dep=${v%=*}
1508 tests=${v#*=}
1509 for name in ${tests}; do
1510 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1511 done
1512 done
1513 }
1514
1515 set_ne_test_deps(){
1516 eval ${1}_be_test_deps="bigendian"
1517 eval ${1}_le_test_deps="!bigendian"
1518 }
1519
1520 test_deps _encoder _decoder \
1521 adpcm_g726=g726 \
1522 adpcm_ima_qt \
1523 adpcm_ima_wav \
1524 adpcm_ms \
1525 adpcm_swf \
1526 adpcm_yamaha=adpcm_yam \
1527 alac \
1528 asv1 \
1529 asv2 \
1530 bmp \
1531 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1532 dvvideo="dv dv50" \
1533 ffv1 \
1534 flac \
1535 flashsv \
1536 flv \
1537 gif \
1538 h261 \
1539 h263="h263 h263p" \
1540 huffyuv \
1541 jpegls \
1542 mjpeg="jpg mjpeg ljpeg" \
1543 mp2 \
1544 mpeg1video="mpeg mpeg1b" \
1545 mpeg2video="mpeg2 mpeg2thread" \
1546 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1547 msmpeg4v3=msmpeg4 \
1548 msmpeg4v2 \
1549 pbm=pbmpipe \
1550 pcx \
1551 pgm="pgm pgmpipe" \
1552 png \
1553 ppm="ppm ppmpipe" \
1554 rawvideo="rgb yuv" \
1555 roq \
1556 rv10 \
1557 rv20 \
1558 sgi \
1559 snow="snow snowll" \
1560 svq1 \
1561 targa=tga \
1562 tiff \
1563 wmav1 \
1564 wmav2 \
1565 wmv1 \
1566 wmv2 \
1567
1568 test_deps _muxer _demuxer \
1569 aiff \
1570 pcm_alaw=alaw \
1571 asf \
1572 au \
1573 avi \
1574 dv=dv_fmt \
1575 ffm \
1576 flv=flv_fmt \
1577 gxf \
1578 matroska=mkv \
1579 mmf \
1580 mov \
1581 pcm_mulaw=mulaw \
1582 mxf \
1583 nut \
1584 ogg \
1585 rawvideo=pixfmt \
1586 rm \
1587 swf \
1588 mpegts=ts \
1589 voc \
1590 wav \
1591 yuv4mpegpipe=yuv4mpeg \
1592
1593 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1594 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1595
1596 set_ne_test_deps pixdesc
1597 set_ne_test_deps pixfmts_copy
1598 set_ne_test_deps pixfmts_crop
1599 set_ne_test_deps pixfmts_hflip
1600 set_ne_test_deps pixfmts_null
1601 set_ne_test_deps pixfmts_pad
1602 set_ne_test_deps pixfmts_scale
1603 set_ne_test_deps pixfmts_vflip
1604
1605 # default parameters
1606
1607 logfile="config.log"
1608
1609 # installation paths
1610 prefix_default="/usr/local"
1611 bindir_default='${prefix}/bin'
1612 datadir_default='${prefix}/share/ffmpeg'
1613 incdir_default='${prefix}/include'
1614 libdir_default='${prefix}/lib'
1615 mandir_default='${prefix}/share/man'
1616 shlibdir_default="$libdir_default"
1617
1618 # toolchain
1619 ar_default="ar"
1620 cc_default="gcc"
1621 cc_version=\"unknown\"
1622 host_cc_default="gcc"
1623 ln_s="ln -sf"
1624 nm_default="nm"
1625 objformat="elf"
1626 pkg_config_default=pkg-config
1627 ranlib="ranlib"
1628 yasmexe="yasm"
1629 nogas=":"
1630
1631 nm_opts='-g'
1632
1633 # machine
1634 arch_default=$(uname -m)
1635 cpu="generic"
1636
1637 # OS
1638 target_os_default=$(tolower $(uname -s))
1639 host_os=$target_os_default
1640
1641 # configurable options
1642 enable avcodec
1643 enable avdevice
1644 enable avfilter
1645 enable avformat
1646 enable avutil
1647 enable asm
1648 enable debug
1649 enable doc
1650 enable fastdiv
1651 enable ffmpeg
1652 enable ffplay
1653 enable ffprobe
1654 enable ffserver
1655 enable network
1656 enable optimizations
1657 enable postproc
1658 enable protocols
1659 enable static
1660 enable swscale
1661 enable swscale_alpha
1662
1663 # build settings
1664 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1665 FFSERVERLDFLAGS=-Wl,-E
1666 LIBPREF="lib"
1667 LIBSUF=".a"
1668 FULLNAME='$(NAME)$(BUILDSUF)'
1669 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1670 SLIBPREF="lib"
1671 SLIBSUF=".so"
1672 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1673 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1674 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1675 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1676
1677 AS_O='-o $@'
1678 CC_O='-o $@'
1679
1680 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1681 host_libs='-lm'
1682
1683 target_path='$(CURDIR)'
1684
1685 # since the object filename is not given with the -MM flag, the compiler
1686 # is only able to print the basename, and we must add the path ourselves
1687 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1688 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1689
1690 # find source path
1691 if test -f configure; then
1692 source_path=.
1693 disable source_path_used
1694 else
1695 source_path=$(cd $(dirname "$0"); pwd)
1696 enable source_path_used
1697 echo "$source_path" | grep -q '[[:blank:]]' &&
1698 die "Out of tree builds are impossible with whitespace in source path."
1699 test -e "$source_path/config.h" &&
1700 die "Out of tree builds are impossible with config.h in source dir."
1701 fi
1702
1703 for v in "$@"; do
1704 r=${v#*=}
1705 l=${v%"$r"}
1706 r=$(sh_quote "$r")
1707 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1708 done
1709
1710 find_things(){
1711 thing=$1
1712 pattern=$2
1713 file=$source_path/$3
1714 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1715 }
1716
1717 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1718 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1719 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1720 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1721 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1722 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1723 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1724 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1725 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1726 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1727 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1728
1729 find_tests(){
1730 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1731 }
1732
1733 ACODEC_TESTS=$(find_tests acodec)
1734 VCODEC_TESTS=$(find_tests vsynth1)
1735 LAVF_TESTS=$(find_tests lavf)
1736 LAVFI_TESTS=$(find_tests lavfi)
1737 SEEK_TESTS=$(find_tests seek seek_)
1738
1739 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1740
1741 for n in $COMPONENT_LIST; do
1742 v=$(toupper ${n%s})_LIST
1743 eval enable \$$v
1744 eval ${n}_if_any="\$$v"
1745 done
1746
1747 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1748
1749 die_unknown(){
1750 echo "Unknown option \"$1\"."
1751 echo "See $0 --help for available options."
1752 exit 1
1753 }
1754
1755 show_list() {
1756 suffix=_$1
1757 shift
1758 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1759 exit 0
1760 }
1761
1762 for opt do
1763 optval="${opt#*=}"
1764 case "$opt" in
1765 --extra-ldflags=*) add_ldflags $optval
1766 ;;
1767 --extra-libs=*) add_extralibs $optval
1768 ;;
1769 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1770 ;;
1771 --enable-debug=*) debuglevel="$optval"
1772 ;;
1773 --disable-everything)
1774 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1775 ;;
1776 --enable-*=*|--disable-*=*)
1777 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1778 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1779 eval list=\$$(toupper $thing)_LIST
1780 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1781 $action $(filter "$name" $list)
1782 ;;
1783 --enable-?*|--disable-?*)
1784 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1785 if is_in $option $COMPONENT_LIST; then
1786 test $action = disable && action=unset
1787 eval $action \$$(toupper ${option%s})_LIST
1788 elif is_in $option $CMDLINE_SELECT; then
1789 $action $option
1790 else
1791 die_unknown $opt
1792 fi
1793 ;;
1794 --list-*)
1795 NAME="${opt#--list-}"
1796 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1797 NAME=${NAME%s}
1798 eval show_list $NAME \$$(toupper $NAME)_LIST
1799 ;;
1800 --help|-h) show_help
1801 ;;
1802 *)
1803 optname="${opt%%=*}"
1804 optname="${optname#--}"
1805 optname=$(echo "$optname" | sed 's/-/_/g')
1806 if is_in $optname $CMDLINE_SET; then
1807 eval $optname='$optval'
1808 elif is_in $optname $CMDLINE_APPEND; then
1809 append $optname "$optval"
1810 else
1811 die_unknown $opt
1812 fi
1813 ;;
1814 esac
1815 done
1816
1817 disabled logging && logfile=/dev/null
1818
1819 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1820 set >> $logfile
1821
1822 test -n "$cross_prefix" && enable cross_compile
1823
1824 if enabled cross_compile; then
1825 test -n "$arch" && test -n "$target_os" ||
1826 die "Must specify target arch and OS when cross-compiling"
1827 fi
1828
1829 set_default arch target_os
1830
1831 ar_default="${cross_prefix}${ar_default}"
1832 cc_default="${cross_prefix}${cc_default}"
1833 nm_default="${cross_prefix}${nm_default}"
1834 pkg_config_default="${cross_prefix}${pkg_config_default}"
1835 ranlib="${cross_prefix}${ranlib}"
1836
1837 sysinclude_default="${sysroot}/usr/include"
1838
1839 set_default cc nm pkg_config sysinclude
1840 enabled cross_compile || host_cc_default=$cc
1841 set_default host_cc
1842
1843 if ! $pkg_config --version >/dev/null 2>&1; then
1844 warn "$pkg_config not found, library detection may fail."
1845 pkg_config=false
1846 fi
1847
1848 exesuf() {
1849 case $1 in
1850 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1851 esac
1852 }
1853
1854 EXESUF=$(exesuf $target_os)
1855 HOSTEXESUF=$(exesuf $host_os)
1856
1857 # set temporary file name
1858 : ${TMPDIR:=$TEMPDIR}
1859 : ${TMPDIR:=$TMP}
1860 : ${TMPDIR:=/tmp}
1861
1862 if ! check_cmd mktemp -u XXXXXX; then
1863 # simple replacement for missing mktemp
1864 # NOT SAFE FOR GENERAL USE
1865 mktemp(){
1866 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1867 }
1868 fi
1869
1870 tmpfile(){
1871 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1872 (set -C; exec > $tmp) 2>/dev/null ||
1873 die "Unable to create temporary file in $TMPDIR."
1874 append TMPFILES $tmp
1875 eval $1=$tmp
1876 }
1877
1878 trap 'rm -f -- $TMPFILES' EXIT
1879
1880 tmpfile TMPC .c
1881 tmpfile TMPE $EXESUF
1882 tmpfile TMPH .h
1883 tmpfile TMPO .o
1884 tmpfile TMPS .S
1885 tmpfile TMPV .ver
1886 tmpfile TMPSH .sh
1887 tmpfile TMPASM .asm
1888
1889 unset -f mktemp
1890
1891 chmod +x $TMPE
1892
1893 # make sure we can execute files in $TMPDIR
1894 cat > $TMPSH 2>> $logfile <<EOF
1895 #! /bin/sh
1896 EOF
1897 chmod +x $TMPSH >> $logfile 2>&1
1898 if ! $TMPSH >> $logfile 2>&1; then
1899 cat <<EOF
1900 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1901 variable to another directory and make sure that it is not mounted noexec.
1902 EOF
1903 die "Sanity test failed."
1904 fi
1905
1906 filter_cflags=echo
1907 filter_cppflags=echo
1908 filter_asflags=echo
1909
1910 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1911 cc_type=llvm_gcc
1912 cc_version=__VERSION__
1913 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1914 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1915 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1916 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1917 speed_cflags='-O3'
1918 size_cflags='-Os'
1919 elif $cc -v 2>&1 | grep -qi ^gcc; then
1920 cc_type=gcc
1921 cc_version=__VERSION__
1922 gcc_version=$($cc --version | head -n1)
1923 gcc_basever=$($cc -dumpversion)
1924 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1925 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1926 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1927 if ! $cc -dumpversion | grep -q '^2\.'; then
1928 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1929 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1930 fi
1931 speed_cflags='-O3'
1932 size_cflags='-Os'
1933 elif $cc --version 2>/dev/null | grep -q Intel; then
1934 cc_type=icc
1935 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1936 cc_ident=$($cc --version | head -n1)
1937 icc_version=$($cc -dumpversion)
1938 CC_DEPFLAGS='-MMD'
1939 AS_DEPFLAGS='-MMD'
1940 speed_cflags='-O3'
1941 size_cflags='-Os'
1942 noopt_cflags='-O1'
1943 elif $cc -v 2>&1 | grep -q xlc; then
1944 cc_type=xlc
1945 cc_version="AV_STRINGIFY(__IBMC__)"
1946 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1947 speed_cflags='-O5'
1948 size_cflags='-O5 -qcompact'
1949 elif $cc -V 2>/dev/null | grep -q Compaq; then
1950 cc_type=ccc
1951 cc_version="AV_STRINGIFY(__DECC_VER)"
1952 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1953 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1954 debuglevel=3
1955 add_ldflags -Wl,-z,now # calls to libots crash without this
1956 speed_cflags='-fast'
1957 size_cflags='-O1'
1958 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1959 test -d "$sysroot" || die "No valid sysroot specified."
1960 cc_type=armcc
1961 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1962 cc_ident=$($cc --vsn | head -n1)
1963 armcc_conf="$PWD/armcc.conf"
1964 $cc --arm_linux_configure \
1965 --arm_linux_config_file="$armcc_conf" \
1966 --configure_sysroot="$sysroot" \
1967 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1968 die "Error creating armcc configuration file."
1969 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1970 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1971 as_default="${cross_prefix}gcc"
1972 CC_DEPFLAGS='-MMD'
1973 AS_DEPFLAGS='-MMD'
1974 speed_cflags='-O3'
1975 size_cflags='-Os'
1976 filter_asflags="filter_out -W${armcc_opt}*"
1977 elif $cc -version 2>/dev/null | grep -q TMS470; then
1978 cc_type=tms470
1979 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1980 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1981 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1982 CC_O='-fr=$(@D)'
1983 as_default="${cross_prefix}gcc"
1984 ld_default="${cross_prefix}gcc"
1985 TMPO=$(basename $TMPC .c).o
1986 append TMPFILES $TMPO
1987 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1988 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1989 AS_DEPFLAGS='-MMD'
1990 speed_cflags='-O3 -mf=5'
1991 size_cflags='-O3 -mf=2'
1992 filter_cflags=tms470_flags
1993 tms470_flags(){
1994 for flag; do
1995 case $flag in
1996 -march=*|-mcpu=*)
1997 case "${flag#*=}" in
1998 armv7-a|cortex-a*) echo -mv=7a8 ;;
1999 armv7-r|cortex-r*) echo -mv=7r4 ;;
2000 armv7-m|cortex-m*) echo -mv=7m3 ;;
2001 armv6*|arm11*) echo -mv=6 ;;
2002 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2003 echo -mv=5e ;;
2004 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2005 esac
2006 ;;
2007 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2008 -mfpu=vfp) echo --float_support=vfpv2 ;;
2009 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2010 -msoft-float) echo --float_support=vfplib ;;
2011 -O[0-3]|-mf=*) echo $flag ;;
2012 -g) echo -g -mn ;;
2013 -pds=*) echo $flag ;;
2014 esac
2015 done
2016 }
2017 elif $cc -v 2>&1 | grep -q clang; then
2018 cc_type=clang
2019 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2020 cc_version=__clang_version__ || cc_version=__VERSION__
2021 cc_ident=$($cc --version | head -n1)
2022 CC_DEPFLAGS='-MMD'
2023 AS_DEPFLAGS='-MMD'
2024 speed_cflags='-O3'
2025 size_cflags='-Os'
2026 elif $cc -V 2>&1 | grep -q Sun; then
2027 cc_type=suncc
2028 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2029 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2030 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2031 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2032 speed_cflags='-O5'
2033 size_cflags='-O5 -xspace'
2034 filter_cflags=suncc_flags
2035 suncc_flags(){
2036 for flag; do
2037 case $flag in
2038 -march=*|-mcpu=*)
2039 case "${flag#*=}" in
2040 native) echo -xtarget=native ;;
2041 v9|niagara) echo -xarch=sparc ;;
2042 ultrasparc) echo -xarch=sparcvis ;;
2043 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2044 i586|pentium) echo -xchip=pentium ;;
2045 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2046 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2047 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2048 pentium4*) echo -xtarget=pentium4 ;;
2049 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2050 *-sse3) echo -xarch=sse3 ;;
2051 core2) echo -xarch=ssse3 -xchip=core2 ;;
2052 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2053 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2054 k8|opteron|athlon64|athlon-fx)
2055 echo -xarch=sse2a ;;
2056 athlon*) echo -xarch=pentium_proa ;;
2057 esac
2058 ;;
2059 -std=c99) echo -xc99 ;;
2060 -fomit-frame-pointer) echo -xregs=frameptr ;;
2061 -fPIC) echo -KPIC -xcode=pic32 ;;
2062 -W*,*) echo $flag ;;
2063 -f*-*|-W*) ;;
2064 *) echo $flag ;;
2065 esac
2066 done
2067 }
2068 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2069 cc_type=pathscale
2070 cc_version=__PATHSCALE__
2071 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2072 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2074 speed_cflags='-O2'
2075 size_cflags='-Os'
2076 filter_cflags='filter_out -Wdisabled-optimization'
2077 elif $cc -v 2>&1 | grep -q Open64; then
2078 cc_type=open64
2079 cc_version=__OPEN64__
2080 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2081 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2082 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2083 speed_cflags='-O2'
2084 size_cflags='-Os'
2085 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2086 fi
2087
2088 test -n "$cc_type" && enable $cc_type ||
2089 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2090
2091 : ${as_default:=$cc}
2092 : ${dep_cc_default:=$cc}
2093 : ${ld_default:=$cc}
2094 set_default ar as dep_cc ld
2095
2096 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2097 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2098
2099 add_cflags $extra_cflags
2100 add_asflags $extra_cflags
2101
2102 if test -n "$sysroot"; then
2103 case "$cc_type" in
2104 gcc|llvm_gcc|clang)
2105 add_cppflags --sysroot="$sysroot"
2106 add_ldflags --sysroot="$sysroot"
2107 ;;
2108 tms470)
2109 add_cppflags -I"$sysinclude"
2110 add_ldflags --sysroot="$sysroot"
2111 ;;
2112 esac
2113 fi
2114
2115 if test "$cpu" = host; then
2116 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2117
2118 case "$cc_type" in
2119 gcc|llvm_gcc)
2120 check_native(){
2121 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2122 sed -n "/$1=/{
2123 s/.*$1=\\([^ ]*\\).*/\\1/
2124 p
2125 q
2126 }" $TMPE
2127 }
2128 cpu=$(check_native -march || check_native -mcpu)
2129 ;;
2130 esac
2131
2132 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2133 fi
2134
2135 # Deal with common $arch aliases
2136 case "$arch" in
2137 arm*)
2138 arch="arm"
2139 ;;
2140 mips|mipsel|IP*)
2141 arch="mips"
2142 ;;
2143 mips64*)
2144 arch="mips"
2145 subarch="mips64"
2146 ;;
2147 parisc|hppa)
2148 arch="parisc"
2149 ;;
2150 parisc64|hppa64)
2151 arch="parisc"
2152 subarch="parisc64"
2153 ;;
2154 "Power Macintosh"|ppc|powerpc)
2155 arch="ppc"
2156 ;;
2157 ppc64|powerpc64)
2158 arch="ppc"
2159 subarch="ppc64"
2160 ;;
2161 s390|s390x)
2162 arch="s390"
2163 ;;
2164 sh4|sh)
2165 arch="sh4"
2166 ;;
2167 sun4u|sparc64)
2168 arch="sparc"
2169 subarch="sparc64"
2170 ;;
2171 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2172 arch="x86"
2173 ;;
2174 esac
2175
2176 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2177 enable $arch
2178
2179 # Add processor-specific flags
2180 if test "$cpu" = generic; then
2181 : do nothing
2182 elif enabled ppc; then
2183
2184 case $(tolower $cpu) in
2185 601|ppc601|powerpc601)
2186 cpuflags="-mcpu=601"
2187 disable altivec
2188 ;;
2189 603*|ppc603*|powerpc603*)
2190 cpuflags="-mcpu=603"
2191 disable altivec
2192 ;;
2193 604*|ppc604*|powerpc604*)
2194 cpuflags="-mcpu=604"
2195 disable altivec
2196 ;;
2197 g3|75*|ppc75*|powerpc75*)
2198 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2199 disable altivec
2200 ;;
2201 g4|745*|ppc745*|powerpc745*)
2202 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2203 ;;
2204 74*|ppc74*|powerpc74*)
2205 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2206 ;;
2207 g5|970|ppc970|powerpc970|power4*)
2208 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2209 ;;
2210 cell)
2211 cpuflags="-mcpu=cell"
2212 enable ldbrx
2213 ;;
2214 e500v2)
2215 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2216 disable altivec
2217 ;;
2218 e500)
2219 cpuflags="-mcpu=8540 -mhard-float"
2220 disable altivec
2221 ;;
2222 esac
2223
2224 elif enabled x86; then
2225
2226 case $cpu in
2227 i[345]86|pentium)
2228 cpuflags="-march=$cpu"
2229 disable mmx
2230 ;;
2231 # targets that do NOT support conditional mov (cmov)
2232 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2233 cpuflags="-march=$cpu"
2234 disable cmov
2235 ;;
2236 # targets that do support conditional mov (cmov)
2237 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2238 cpuflags="-march=$cpu"
2239 enable cmov
2240 enable fast_cmov
2241 ;;
2242 # targets that do support conditional mov but on which it's slow
2243 pentium4|pentium4m|prescott|nocona)
2244 cpuflags="-march=$cpu"
2245 enable cmov
2246 disable fast_cmov
2247 ;;
2248 esac
2249
2250 elif enabled sparc; then
2251
2252 case $cpu in
2253 niagara)
2254 cpuflags="-mcpu=$cpu"
2255 disable vis
2256 ;;
2257 sparc64)
2258 cpuflags="-mcpu=v9"
2259 ;;
2260 esac
2261
2262 elif enabled arm; then
2263
2264 case $cpu in
2265 armv*)
2266 cpuflags="-march=$cpu"
2267 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2268 ;;
2269 *)
2270 cpuflags="-mcpu=$cpu"
2271 case $cpu in
2272 cortex-a*) subarch=armv7a ;;
2273 cortex-r*) subarch=armv7r ;;
2274 cortex-m*) enable thumb; subarch=armv7m ;;
2275 arm11*) subarch=armv6 ;;
2276 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2277 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2278 esac
2279 ;;
2280 esac
2281
2282 elif enabled alpha; then
2283
2284 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2285
2286 elif enabled bfin; then
2287
2288 cpuflags="-mcpu=$cpu"
2289
2290 elif enabled mips; then
2291
2292 cpuflags="-march=$cpu"
2293
2294 elif enabled avr32; then
2295
2296 case $cpu in
2297 ap7[02]0[0-2])
2298 subarch="avr32_ap"
2299 cpuflags="-mpart=$cpu"
2300 ;;
2301 ap)
2302 subarch="avr32_ap"
2303 cpuflags="-march=$cpu"
2304 ;;
2305 uc3[ab]*)
2306 subarch="avr32_uc"
2307 cpuflags="-mcpu=$cpu"
2308 ;;
2309 uc)
2310 subarch="avr32_uc"
2311 cpuflags="-march=$cpu"
2312 ;;
2313 esac
2314
2315 fi
2316
2317 add_cflags $cpuflags
2318 add_asflags $cpuflags
2319
2320 # compiler sanity check
2321 check_exec <<EOF
2322 int main(void){ return 0; }
2323 EOF
2324 if test "$?" != 0; then
2325 echo "$cc is unable to create an executable file."
2326 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2327 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2328 echo "Only do this if you know what cross compiling means."
2329 fi
2330 die "C compiler test failed."
2331 fi
2332
2333 add_cppflags -D_ISOC99_SOURCE
2334 check_cflags -std=c99
2335 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2336 #include <stdlib.h>
2337 EOF
2338 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2339 #include <stdlib.h>
2340 EOF
2341
2342 check_host_cflags -std=c99
2343 check_host_cflags -Wall
2344
2345 case "$arch" in
2346 alpha|ia64|mips|parisc|sparc)
2347 spic=$shared
2348 ;;
2349 x86)
2350 subarch="x86_32"
2351 check_cc <<EOF && subarch="x86_64"
2352 int test[(int)sizeof(char*) - 7];
2353 EOF
2354 if test "$subarch" = "x86_64"; then
2355 spic=$shared
2356 fi
2357 ;;
2358 esac
2359
2360 enable $subarch
2361 enabled spic && enable pic
2362
2363 # OS specific
2364 case $target_os in
2365 haiku)
2366 prefix_default="/boot/common"
2367 network_extralibs="-lnetwork"
2368 host_libs=
2369 ;;
2370 sunos)
2371 FFSERVERLDFLAGS=""
2372 SHFLAGS='-shared -Wl,-h,$$(@F)'
2373 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2374 network_extralibs="-lsocket -lnsl"
2375 add_cppflags -D__EXTENSIONS__
2376 nm_opts='-P -g'
2377 ;;
2378 netbsd)
2379 disable symver
2380 oss_indev_extralibs="-lossaudio"
2381 oss_outdev_extralibs="-lossaudio"
2382 ;;
2383 openbsd)
2384 enable malloc_aligned
2385 # On OpenBSD 4.5. the compiler does not use PIC unless
2386 # explicitly using -fPIC. Libav builds fine without PIC,
2387 # however the generated executable will not do anything
2388 # (simply quits with exit-code 1, no crash, no output).
2389 # Thus explicitly enable PIC here.
2390 enable pic
2391 disable symver
2392 SHFLAGS='-shared'
2393 oss_indev_extralibs="-lossaudio"
2394 oss_outdev_extralibs="-lossaudio"
2395 ;;
2396 dragonfly)
2397 enable malloc_aligned
2398 disable symver
2399 ;;
2400 freebsd)
2401 enable malloc_aligned
2402 ;;
2403 bsd/os)
2404 add_extralibs -lpoll -lgnugetopt
2405 ;;
2406 darwin)
2407 enable malloc_aligned
2408 gas="gas-preprocessor.pl $cc"
2409 enabled ppc && add_asflags -force_cpusubtype_ALL
2410 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2411 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2412 add_ldflags -Wl,-dynamic,-search_paths_first
2413 SLIBSUF=".dylib"
2414 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2415 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2416 FFSERVERLDFLAGS=-Wl,-bind_at_load
2417 objformat="macho"
2418 enabled x86_64 && objformat="macho64"
2419 enabled_any pic shared ||
2420 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2421 ;;
2422 mingw32*)
2423 if test $target_os = "mingw32ce"; then
2424 disable network
2425 else
2426 target_os=mingw32
2427 fi
2428 LIBTARGET=i386
2429 if enabled x86_64; then
2430 enable malloc_aligned
2431 LIBTARGET="i386:x86-64"
2432 elif enabled arm; then
2433 LIBTARGET=arm-wince
2434 fi
2435 shlibdir_default="$bindir_default"
2436 SLIBPREF=""
2437 SLIBSUF=".dll"
2438 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2439 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2440 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2441 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2442 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2443 install -d "$(LIBDIR)"; \
2444 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2445 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2446 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'
2447 objformat="win32"
2448 dlltool="${cross_prefix}dlltool"
2449 enable dos_paths
2450 check_cflags -fno-common
2451 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2452 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2453 die "ERROR: MinGW runtime version must be >= 3.15."
2454 add_cppflags -U__STRICT_ANSI__
2455 ;;
2456 cygwin*)
2457 target_os=cygwin
2458 shlibdir_default="$bindir_default"
2459 SLIBPREF="cyg"
2460 SLIBSUF=".dll"
2461 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2462 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2463 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2464 objformat="win32"
2465 enable dos_paths
2466 check_cflags -fno-common
2467 add_cppflags -U__STRICT_ANSI__
2468 ;;
2469 *-dos|freedos|opendos)
2470 network_extralibs="-lsocket"
2471 objformat="coff"
2472 enable dos_paths
2473 add_cppflags -U__STRICT_ANSI__
2474 ;;
2475 linux)
2476 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2477 enable dv1394
2478 ;;
2479 irix*)
2480 target_os=irix
2481 ranlib="echo ignoring ranlib"
2482 ;;
2483 os/2*)
2484 ln_s="cp -f"
2485 objformat="aout"
2486 add_cppflags -D_GNU_SOURCE
2487 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2488 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2489 FFSERVERLDFLAGS=""
2490 LIBSUF="_s.a"
2491 SLIBPREF=""
2492 SLIBSUF=".dll"
2493 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2494 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2495 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2496 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2497 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2498 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2499 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2500 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2501 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2502 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2503 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2504 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2505 enable dos_paths
2506 ;;
2507 gnu/kfreebsd)
2508 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2509 ;;
2510 gnu)
2511 ;;
2512 qnx)
2513 add_cppflags -D_QNX_SOURCE
2514 network_extralibs="-lsocket"
2515 ;;
2516 symbian)
2517 SLIBSUF=".dll"
2518 enable dos_paths
2519 add_cflags --include=$sysinclude/gcce/gcce.h
2520 ;;
2521 none)
2522 ;;
2523 *)
2524 die "Unknown OS '$target_os'."
2525 ;;
2526 esac
2527
2528 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2529
2530 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2531
2532 set_default $PATHS_LIST
2533
2534 # we need to build at least one lib type
2535 if ! enabled_any static shared; then
2536 cat <<EOF
2537 At least one library type must be built.
2538 Specify --enable-static to build the static libraries or --enable-shared to
2539 build the shared libraries as well. To only build the shared libraries specify
2540 --disable-static in addition to --enable-shared.
2541 EOF
2542 exit 1;
2543 fi
2544
2545 disabled static && LIBNAME=""
2546
2547 die_license_disabled() {
2548 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2549 }
2550
2551 die_license_disabled gpl libx264
2552 die_license_disabled gpl libxavs
2553 die_license_disabled gpl libxvid
2554 die_license_disabled gpl x11grab
2555
2556 die_license_disabled nonfree libfaac
2557
2558 die_license_disabled version3 libopencore_amrnb
2559 die_license_disabled version3 libopencore_amrwb
2560 die_license_disabled version3 libvo_aacenc
2561 die_license_disabled version3 libvo_amrwbenc
2562
2563 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2564
2565 disabled optimizations || check_cflags -fomit-frame-pointer
2566
2567 enable_pic() {
2568 enable pic
2569 add_cppflags -DPIC
2570 add_cflags -fPIC
2571 add_asflags -fPIC
2572 }
2573
2574 enabled pic && enable_pic
2575
2576 check_cc <<EOF || die "Symbol mangling check failed."
2577 int ff_extern;
2578 EOF
2579 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2580 extern_prefix=${sym%%ff_extern*}
2581
2582 check_cc <<EOF && enable inline_asm
2583 void foo(void) { __asm__ volatile ("" ::); }
2584 EOF
2585
2586 _restrict=
2587 for restrict_keyword in restrict __restrict__ __restrict; do
2588 check_cc <<EOF && _restrict=$restrict_keyword && break
2589 void foo(char * $restrict_keyword p);
2590 EOF
2591 done
2592
2593 check_cc <<EOF && enable attribute_packed
2594 struct { int x; } __attribute__((packed)) x;
2595 EOF
2596
2597 check_cc <<EOF && enable attribute_may_alias
2598 union { int x; } __attribute__((may_alias)) x;
2599 EOF
2600
2601 check_cc <<EOF || die "endian test failed"
2602 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2603 EOF
2604 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2605
2606 if enabled alpha; then
2607
2608 check_cflags -mieee
2609
2610 elif enabled arm; then
2611
2612 enabled thumb && check_cflags -mthumb || check_cflags -marm
2613 nogas=die
2614
2615 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2616 enable vfp_args
2617 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2618 case "${cross_prefix:-$cc}" in
2619 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2620 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2621 __asm__ (".eabi_attribute 28, 1");
2622 int main(void) { return 0; }
2623 EOF
2624 esac
2625 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2626 fi
2627
2628 # We have to check if pld is a nop and disable it.
2629 check_asm pld '"pld [r0]"'
2630
2631 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2632 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2633 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2634 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2635 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2636 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2637 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2638
2639 enabled_all armv6t2 shared !pic && enable_pic
2640
2641 elif enabled mips; then
2642
2643 check_asm loongson '"dmult.g $1, $2, $3"'
2644 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2645
2646 elif enabled ppc; then
2647
2648 enable local_aligned_8 local_aligned_16
2649
2650 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2651 check_asm ibm_asm '"add 0, 0, 0"'
2652 check_asm ppc4xx '"maclhw r10, r11, r12"'
2653 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2654
2655 # AltiVec flags: The FSF version of GCC differs from the Apple version
2656 if enabled altivec; then
2657 nogas=warn
2658 check_cflags -maltivec -mabi=altivec &&
2659 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2660 check_cflags -faltivec
2661
2662 # check if our compiler supports Motorola AltiVec C API
2663 check_cc <<EOF || disable altivec
2664 $inc_altivec_h
2665 int main(void) {
2666 vector signed int v1, v2, v3;
2667 v1 = vec_add(v2,v3);
2668 return 0;
2669 }
2670 EOF
2671
2672 # check if our compiler supports braces for vector declarations
2673 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2674 $inc_altivec_h
2675 int main (void) { (vector int) {1}; return 0; }
2676 EOF
2677 fi
2678
2679 elif enabled sparc; then
2680
2681 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2682 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2683
2684 elif enabled x86; then
2685
2686 enable local_aligned_8 local_aligned_16
2687
2688 # check whether EBP is available on x86
2689 # As 'i' is stored on the stack, this program will crash
2690 # if the base pointer is used to access it because the
2691 # base pointer is cleared in the inline assembly code.
2692 check_exec_crash <<EOF && enable ebp_available
2693 volatile int i=0;
2694 __asm__ volatile (
2695 "xorl %%ebp, %%ebp"
2696 ::: "%ebp");
2697 return i;
2698 EOF
2699
2700 # check whether EBX is available on x86
2701 check_asm ebx_available '""::"b"(0)' &&
2702 check_asm ebx_available '"":::"%ebx"'
2703
2704 # check whether xmm clobbers are supported
2705 check_asm xmm_clobbers '"":::"%xmm0"'
2706
2707 # check whether more than 10 operands are supported
2708 check_cc <<EOF && enable ten_operands
2709 int main(void) {
2710 int x=0;
2711 __asm__ volatile(
2712 ""
2713 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2714 );
2715 return 0;
2716 }
2717 EOF
2718
2719 # check whether binutils is new enough to compile SSSE3/MMX2
2720 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2721 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2722
2723 check_asm bswap '"bswap %%eax" ::: "%eax"'
2724
2725 if ! disabled_any asm mmx yasm; then
2726 if check_cmd $yasmexe --version; then
2727 enabled x86_64 && yasm_extra="-m amd64"
2728 yasm_debug="-g dwarf2"
2729 elif check_cmd nasm -v; then
2730 yasmexe=nasm
2731 yasm_debug="-g -F dwarf"
2732 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2733 fi
2734
2735 YASMFLAGS="-f $objformat $yasm_extra"
2736 enabled pic && append YASMFLAGS "-DPIC"
2737 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2738 case "$objformat" in
2739 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2740 esac
2741
2742 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2743 die "yasm not found, use --disable-yasm for a crippled build"
2744 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2745 fi
2746
2747 case "$cpu" in
2748 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2749 disable fast_clz
2750 ;;
2751 esac
2752
2753 fi
2754
2755 if enabled asm; then
2756 as=${gas:=$as}
2757 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2758 $nogas "GNU assembler not found, install gas-preprocessor"
2759 fi
2760
2761 check_ldflags -Wl,--as-needed
2762
2763 if check_func dlopen; then
2764 ldl=
2765 elif check_func dlopen -ldl; then
2766 ldl=-ldl
2767 fi
2768
2769 if enabled network; then
2770 check_type "sys/types.h sys/socket.h" socklen_t
2771 check_type netdb.h "struct addrinfo"
2772 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2773 check_type netinet/in.h "struct sockaddr_in6"
2774 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2775 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2776 # Prefer arpa/inet.h over winsock2
2777 if check_header arpa/inet.h ; then
2778 check_func closesocket
2779 elif check_header winsock2.h ; then
2780 check_func_headers winsock2.h closesocket -lws2 && \
2781 network_extralibs="-lws2" || \
2782 { check_func_headers winsock2.h closesocket -lws2_32 && \
2783 network_extralibs="-lws2_32"; }
2784 check_type ws2tcpip.h socklen_t
2785 check_type ws2tcpip.h "struct addrinfo"
2786 check_type ws2tcpip.h "struct ipv6_mreq"
2787 check_type ws2tcpip.h "struct sockaddr_in6"
2788 check_type ws2tcpip.h "struct sockaddr_storage"
2789 check_struct winsock2.h "struct sockaddr" sa_len
2790 else
2791 disable network
2792 fi
2793 fi
2794
2795 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2796 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2797
2798 check_func fcntl
2799 check_func fork
2800 check_func getaddrinfo $network_extralibs
2801 check_func gethrtime
2802 check_func getrusage
2803 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2804 check_func inet_aton $network_extralibs
2805 check_func isatty
2806 check_func localtime_r
2807 check_func ${malloc_prefix}memalign && enable memalign
2808 check_func mkstemp
2809 check_func mmap
2810 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2811 check_func setrlimit
2812 check_func strerror_r
2813 check_func strtok_r
2814 check_func_headers io.h setmode
2815 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2816 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2817 check_func_headers windows.h GetProcessTimes
2818 check_func_headers windows.h MapViewOfFile
2819 check_func_headers windows.h VirtualAlloc
2820
2821 check_header dlfcn.h
2822 check_header dxva2api.h
2823 check_header malloc.h
2824 check_header poll.h
2825 check_header sys/mman.h
2826 check_header sys/resource.h
2827 check_header sys/select.h
2828 check_header vdpau/vdpau.h
2829 check_header vdpau/vdpau_x11.h
2830 check_header X11/extensions/XvMClib.h
2831
2832 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2833
2834 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2835 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2836
2837 # check for some common methods of building with pthread support
2838 # do this before the optional library checks as some of them require pthreads
2839 if ! disabled pthreads && ! enabled w32threads; then
2840 enable pthreads
2841 if check_func pthread_create; then
2842 :
2843 elif check_func pthread_create -pthread; then
2844 add_cflags -pthread
2845 add_extralibs -pthread
2846 elif check_func pthread_create -pthreads; then
2847 add_cflags -pthreads
2848 add_extralibs -pthreads
2849 elif check_func pthread_create -lpthreadGC2; then
2850 add_extralibs -lpthreadGC2
2851 elif ! check_lib pthread.h pthread_create -lpthread; then
2852 disable pthreads
2853 fi
2854 fi
2855
2856 for thread in $THREADS_LIST; do
2857 if enabled $thread; then
2858 test -n "$thread_type" &&
2859 die "ERROR: Only one thread type must be selected." ||
2860 thread_type="$thread"
2861 fi
2862 done
2863
2864 check_lib math.h sin -lm && LIBM="-lm"
2865 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2866
2867 check_mathfunc exp2
2868 check_mathfunc exp2f
2869 check_mathfunc llrint
2870 check_mathfunc llrintf
2871 check_mathfunc log2
2872 check_mathfunc log2f
2873 check_mathfunc lrint
2874 check_mathfunc lrintf
2875 check_mathfunc round
2876 check_mathfunc roundf
2877 check_mathfunc trunc
2878 check_mathfunc truncf
2879
2880 # these are off by default, so fail if requested and not available
2881 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2882 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2883 enabled libdirac && require_pkg_config dirac \
2884 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2885 "dirac_decoder_init dirac_encoder_init"
2886 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2887 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2888 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2889 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2890 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2891 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2892 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2893 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2894 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2895 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2896 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2897 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2898 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2899 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2900 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2901 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2902 enabled libvpx && {
2903 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2904 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2905 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2906 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2907 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2908 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2909 die "ERROR: libx264 version must be >= 0.115."; }
2910 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2911 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2912 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2913
2914 # libdc1394 check
2915 if enabled libdc1394; then
2916 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2917 enable libdc1394_2; } ||
2918 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2919 enable libdc1394_1; } ||
2920 die "ERROR: No version of libdc1394 found "
2921 fi
2922
2923 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2924 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2925 enable sdl &&
2926 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2927 fi
2928
2929 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2930
2931 check_header linux/fb.h
2932 check_header linux/videodev.h
2933 check_header linux/videodev2.h
2934 check_header sys/videoio.h
2935
2936 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2937 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2938 # w32api 3.12 had it defined wrong
2939 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2940
2941 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2942 { check_header dev/bktr/ioctl_meteor.h &&
2943 check_header dev/bktr/ioctl_bt848.h; } ||
2944 { check_header machine/ioctl_meteor.h &&
2945 check_header machine/ioctl_bt848.h; } ||
2946 { check_header dev/video/meteor/ioctl_meteor.h &&
2947 check_header dev/video/bktr/ioctl_bt848.h; } ||
2948 check_header dev/ic/bt8xx.h
2949
2950 check_header sndio.h
2951 check_header sys/soundcard.h
2952 check_header soundcard.h
2953
2954 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2955
2956 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2957
2958 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2959
2960 enabled x11grab &&
2961 check_header X11/Xlib.h &&
2962 check_header X11/extensions/XShm.h &&
2963 check_header X11/extensions/Xfixes.h &&
2964 check_func XOpenDisplay -lX11 &&
2965 check_func XShmCreateImage -lX11 -lXext &&
2966 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2967
2968 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2969 check_cpp_condition \
2970 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2971 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2972 disable vdpau; }
2973 fi
2974
2975 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2976
2977 # add some useful compiler flags if supported
2978 check_cflags -Wdeclaration-after-statement
2979 check_cflags -Wall
2980 check_cflags -Wno-parentheses
2981 check_cflags -Wno-switch
2982 check_cflags -Wno-format-zero-length
2983 check_cflags -Wdisabled-optimization
2984 check_cflags -Wpointer-arith
2985 check_cflags -Wredundant-decls
2986 check_cflags -Wno-pointer-sign
2987 check_cflags -Wcast-qual
2988 check_cflags -Wwrite-strings
2989 check_cflags -Wtype-limits
2990 check_cflags -Wundef
2991 check_cflags -Wmissing-prototypes
2992 enabled extra_warnings && check_cflags -Winline
2993
2994 # add some linker flags
2995 check_ldflags -Wl,--warn-common
2996 check_ldflags -Wl,-rpath-link,libpostproc -Wl,-rpath-link,libswscale -Wl,-rpath-link,libavfilter -Wl,-rpath-link,libavdevice -Wl,-rpath-link,libavformat -Wl,-rpath-link,libavcodec -Wl,-rpath-link,libavutil
2997 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2998
2999 echo "X{};" > $TMPV
3000 if test_ldflags -Wl,--version-script,$TMPV; then
3001 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3002 check_cc <<EOF && enable symver_asm_label
3003 void ff_foo(void) __asm__ ("av_foo@VERSION");
3004 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3005 EOF
3006 check_cc <<EOF && enable symver_gnu_asm
3007 __asm__(".symver ff_foo,av_foo@VERSION");
3008 void ff_foo(void) {}
3009 EOF
3010 fi
3011
3012 if [ -n "$optflags" ]; then
3013 add_cflags $optflags
3014 elif enabled small; then
3015 add_cflags $size_cflags
3016 elif enabled optimizations; then
3017 add_cflags $speed_cflags
3018 else
3019 add_cflags $noopt_cflags
3020 fi
3021 check_cflags -fno-math-errno
3022 check_cflags -fno-signed-zeros
3023
3024 if enabled icc; then
3025 # Just warnings, no remarks
3026 check_cflags -w1
3027 # -wd: Disable following warnings
3028 # 144, 167, 556: -Wno-pointer-sign
3029 # 1292: attribute "foo" ignored
3030 # 10006: ignoring unknown option -fno-signed-zeros
3031 # 10148: ignoring unknown option -Wno-parentheses
3032 # 10156: ignoring option '-W'; no argument required
3033 check_cflags -wd144,167,556,1292,10006,10148,10156
3034 # 11030: Warning unknown option --as-needed
3035 # 10156: ignoring option '-export'; no argument required
3036 check_ldflags -wd10156,11030
3037 # Allow to compile with optimizations
3038 check_ldflags -march=$cpu
3039 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3040 enable ebp_available
3041 if enabled x86_32; then
3042 test ${icc_version%%.*} -ge 11 && \
3043 check_cflags -falign-stack=maintain-16-byte || \
3044 disable aligned_stack
3045 fi
3046 elif enabled ccc; then
3047 # disable some annoying warnings
3048 add_cflags -msg_disable cvtu32to64
3049 add_cflags -msg_disable embedcomment
3050 add_cflags -msg_disable needconstext
3051 add_cflags -msg_disable nomainieee
3052 add_cflags -msg_disable ptrmismatch1
3053 add_cflags -msg_disable unreachcode
3054 elif enabled gcc; then
3055 check_cflags -fno-tree-vectorize
3056 check_cflags -Werror=implicit-function-declaration
3057 check_cflags -Werror=missing-prototypes
3058 elif enabled llvm_gcc; then
3059 check_cflags -mllvm -stack-alignment=16
3060 elif enabled clang; then
3061 check_cflags -mllvm -stack-alignment=16
3062 check_cflags -Qunused-arguments
3063 elif enabled armcc; then
3064 # 2523: use of inline assembler is deprecated
3065 add_cflags -W${armcc_opt},--diag_suppress=2523
3066 add_cflags -W${armcc_opt},--diag_suppress=1207
3067 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3068 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3069 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3070 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3071 elif enabled tms470; then
3072 add_cflags -pds=824 -pds=837
3073 elif enabled pathscale; then
3074 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3075 fi
3076
3077 enabled_any $THREADS_LIST && enable threads
3078
3079 check_deps $CONFIG_LIST \
3080 $CONFIG_EXTRA \
3081 $HAVE_LIST \
3082 $DECODER_LIST \
3083 $ENCODER_LIST \
3084 $HWACCEL_LIST \
3085 $PARSER_LIST \
3086 $BSF_LIST \
3087 $DEMUXER_LIST \
3088 $MUXER_LIST \
3089 $FILTER_LIST \
3090 $INDEV_LIST \
3091 $OUTDEV_LIST \
3092 $PROTOCOL_LIST \
3093 $ACODEC_TESTS \
3094 $VCODEC_TESTS \
3095 $LAVF_TESTS \
3096 $LAVFI_TESTS \
3097 $SEEK_TESTS \
3098
3099 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3100
3101 ! enabled_any memalign posix_memalign malloc_aligned &&
3102 enabled_any $need_memalign && enable memalign_hack
3103
3104 echo "install prefix $prefix"
3105 echo "source path $source_path"
3106 echo "C compiler $cc"
3107 echo "ARCH $arch ($cpu)"
3108 if test "$build_suffix" != ""; then
3109 echo "build suffix $build_suffix"
3110 fi
3111 if test "$extra_version" != ""; then
3112 echo "version string suffix $extra_version"
3113 fi
3114 echo "big-endian ${bigendian-no}"
3115 echo "runtime cpu detection ${runtime_cpudetect-no}"
3116 if enabled x86; then
3117 echo "${yasmexe} ${yasm-no}"
3118 echo "MMX enabled ${mmx-no}"
3119 echo "MMX2 enabled ${mmx2-no}"
3120 echo "3DNow! enabled ${amd3dnow-no}"
3121 echo "3DNow! extended enabled ${amd3dnowext-no}"
3122 echo "SSE enabled ${sse-no}"
3123 echo "SSSE3 enabled ${ssse3-no}"
3124 echo "AVX enabled ${avx-no}"
3125 echo "CMOV enabled ${cmov-no}"
3126 echo "CMOV is fast ${fast_cmov-no}"
3127 echo "EBX available ${ebx_available-no}"
3128 echo "EBP available ${ebp_available-no}"
3129 echo "10 operands supported ${ten_operands-no}"
3130 fi
3131 if enabled arm; then
3132 echo "ARMv5TE enabled ${armv5te-no}"
3133 echo "ARMv6 enabled ${armv6-no}"
3134 echo "ARMv6T2 enabled ${armv6t2-no}"
3135 echo "ARM VFP enabled ${armvfp-no}"
3136 echo "IWMMXT enabled ${iwmmxt-no}"
3137 echo "NEON enabled ${neon-no}"
3138 fi
3139 if enabled mips; then
3140 echo "MMI enabled ${mmi-no}"
3141 fi
3142 if enabled ppc; then
3143 echo "AltiVec enabled ${altivec-no}"
3144 echo "PPC 4xx optimizations ${ppc4xx-no}"
3145 echo "dcbzl available ${dcbzl-no}"
3146 fi
3147 if enabled sparc; then
3148 echo "VIS enabled ${vis-no}"
3149 fi
3150 echo "debug symbols ${debug-no}"
3151 echo "optimize for size ${small-no}"
3152 echo "optimizations ${optimizations-no}"
3153 echo "static ${static-no}"
3154 echo "shared ${shared-no}"
3155 echo "postprocessing support ${postproc-no}"
3156 echo "new filter support ${avfilter-no}"
3157 echo "network support ${network-no}"
3158 echo "threading support ${thread_type-no}"
3159 echo "SDL support ${sdl-no}"
3160 echo "Sun medialib support ${mlib-no}"
3161 echo "AVISynth enabled ${avisynth-no}"
3162 echo "frei0r enabled ${frei0r-no}"
3163 echo "libdc1394 support ${libdc1394-no}"
3164 echo "libdirac enabled ${libdirac-no}"
3165 echo "libfaac enabled ${libfaac-no}"
3166 echo "libgsm enabled ${libgsm-no}"
3167 echo "libmp3lame enabled ${libmp3lame-no}"
3168 echo "libnut enabled ${libnut-no}"
3169 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3170 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3171 echo "libopencv support ${libopencv-no}"
3172 echo "libopenjpeg enabled ${libopenjpeg-no}"
3173 echo "librtmp enabled ${librtmp-no}"
3174 echo "libschroedinger enabled ${libschroedinger-no}"
3175 echo "libspeex enabled ${libspeex-no}"
3176 echo "libtheora enabled ${libtheora-no}"
3177 echo "libva enabled ${vaapi-no}"
3178 echo "libvo-aacenc support ${libvo_aacenc-no}"
3179 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3180 echo "libvorbis enabled ${libvorbis-no}"
3181 echo "libvpx enabled ${libvpx-no}"
3182 echo "libx264 enabled ${libx264-no}"
3183 echo "libxavs enabled ${libxavs-no}"
3184 echo "libxvid enabled ${libxvid-no}"
3185 echo "zlib enabled ${zlib-no}"
3186 echo "bzlib enabled ${bzlib-no}"
3187 echo
3188
3189 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3190 echo "Enabled ${type}s:"
3191 eval list=\$$(toupper $type)_LIST
3192 print_enabled '_*' $list | sort | pr -r -3 -t
3193 echo
3194 done
3195
3196 license="LGPL version 2.1 or later"
3197 if enabled nonfree; then
3198 license="nonfree and unredistributable"
3199 elif enabled gplv3; then
3200 license="GPL version 3 or later"
3201 elif enabled lgplv3; then
3202 license="LGPL version 3 or later"
3203 elif enabled gpl; then
3204 license="GPL version 2 or later"
3205 fi
3206
3207 echo "License: $license"
3208
3209 echo "Creating config.mak and config.h..."
3210
3211 # build tree in object directory if source path is different from current one
3212 if enabled source_path_used; then
3213 DIRS="
3214 doc
3215 libavcodec
3216 libavcodec/$arch
3217 libavdevice
3218 libavfilter
3219 libavfilter/$arch
3220 libavformat
3221 libavutil
3222 libavutil/$arch
3223 libpostproc
3224 libswscale
3225 libswscale/$arch
3226 tests
3227 tools
3228 "
3229 FILES="
3230 Makefile
3231 common.mak
3232 subdir.mak
3233 doc/Makefile
3234 doc/texi2pod.pl
3235 libavcodec/Makefile
3236 libavcodec/${arch}/Makefile
3237 libavdevice/Makefile
3238 libavfilter/Makefile
3239 libavfilter/${arch}/Makefile
3240 libavformat/Makefile
3241 libavutil/Makefile
3242 libpostproc/Makefile
3243 libswscale/Makefile
3244 tests/Makefile
3245 "
3246 map 'mkdir -p $v' $DIRS;
3247 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3248 fi
3249
3250 config_files="$TMPH config.mak"
3251
3252 cat > config.mak <<EOF
3253 # Automatically generated by configure - do not modify!
3254 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3255 prefix=$prefix
3256 LIBDIR=\$(DESTDIR)$libdir
3257 SHLIBDIR=\$(DESTDIR)$shlibdir
3258 INCDIR=\$(DESTDIR)$incdir
3259 BINDIR=\$(DESTDIR)$bindir
3260 DATADIR=\$(DESTDIR)$datadir
3261 MANDIR=\$(DESTDIR)$mandir
3262 SRC_PATH=$source_path
3263 CC_IDENT=$cc_ident
3264 ARCH=$arch
3265 CC=$cc
3266 AS=$as
3267 LD=$ld
3268 DEPCC=$dep_cc
3269 YASM=$yasmexe
3270 YASMDEP=$yasmexe
3271 AR=$ar
3272 RANLIB=$ranlib
3273 LN_S=$ln_s
3274 CPPFLAGS=$CPPFLAGS
3275 CFLAGS=$CFLAGS
3276 ASFLAGS=$ASFLAGS
3277 AS_O=$CC_O
3278 CC_O=$CC_O
3279 DLLTOOL=$dlltool
3280 LDFLAGS=$LDFLAGS
3281 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3282 SHFLAGS=$SHFLAGS
3283 YASMFLAGS=$YASMFLAGS
3284 BUILDSUF=$build_suffix
3285 FULLNAME=$FULLNAME
3286 LIBPREF=$LIBPREF
3287 LIBSUF=$LIBSUF
3288 LIBNAME=$LIBNAME
3289 SLIBPREF=$SLIBPREF
3290 SLIBSUF=$SLIBSUF
3291 EXESUF=$EXESUF
3292 EXTRA_VERSION=$extra_version
3293 DEPFLAGS=$DEPFLAGS
3294 CCDEP=$CCDEP
3295 ASDEP=$ASDEP
3296 CC_DEPFLAGS=$CC_DEPFLAGS
3297 AS_DEPFLAGS=$AS_DEPFLAGS
3298 HOSTCC=$host_cc
3299 HOSTCFLAGS=$host_cflags
3300 HOSTEXESUF=$HOSTEXESUF
3301 HOSTLDFLAGS=$host_ldflags
3302 HOSTLIBS=$host_libs
3303 TARGET_EXEC=$target_exec
3304 TARGET_PATH=$target_path
3305 SDL_LIBS=$sdl_libs
3306 SDL_CFLAGS=$sdl_cflags
3307 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3308 EXTRALIBS=$extralibs
3309 INSTALL=install
3310 LIBTARGET=${LIBTARGET}
3311 SLIBNAME=${SLIBNAME}
3312 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3313 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3314 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3315 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3316 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3317 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3318 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3319 EOF
3320
3321 get_version(){
3322 name=$1
3323 file=$source_path/$2
3324 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3325 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3326 lcname=$(tolower $name)
3327 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3328 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3329 }
3330
3331 get_version LIBSWSCALE libswscale/swscale.h
3332 get_version LIBPOSTPROC libpostproc/postprocess.h
3333 get_version LIBAVCODEC libavcodec/version.h
3334 get_version LIBAVDEVICE libavdevice/avdevice.h
3335 get_version LIBAVFORMAT libavformat/version.h
3336 get_version LIBAVUTIL libavutil/avutil.h
3337 get_version LIBAVFILTER libavfilter/avfilter.h
3338
3339 cat > $TMPH <<EOF
3340 /* Automatically generated by configure - do not modify! */
3341 #ifndef LIBAV_CONFIG_H
3342 #define LIBAV_CONFIG_H
3343 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3344 #define LIBAV_LICENSE "$(c_escape $license)"
3345 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3346 #define CC_TYPE "$cc_type"
3347 #define CC_VERSION $cc_version
3348 #define restrict $_restrict
3349 #define EXTERN_PREFIX "${extern_prefix}"
3350 #define EXTERN_ASM ${extern_prefix}
3351 #define SLIBSUF "$SLIBSUF"
3352 EOF
3353
3354 test -n "$malloc_prefix" &&
3355 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3356
3357 if enabled small || disabled optimizations; then
3358 echo "#undef av_always_inline" >> $TMPH
3359 if enabled small; then
3360 echo "#define av_always_inline inline" >> $TMPH
3361 else
3362 echo "#define av_always_inline av_unused" >> $TMPH
3363 fi
3364 fi
3365
3366 if enabled yasm; then
3367 append config_files $TMPASM
3368 printf '' >$TMPASM
3369 fi
3370
3371 print_config ARCH_ "$config_files" $ARCH_LIST
3372 print_config HAVE_ "$config_files" $HAVE_LIST
3373 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3374 $CONFIG_EXTRA \
3375 $DECODER_LIST \
3376 $ENCODER_LIST \
3377 $HWACCEL_LIST \
3378 $PARSER_LIST \
3379 $BSF_LIST \
3380 $DEMUXER_LIST \
3381 $MUXER_LIST \
3382 $FILTER_LIST \
3383 $PROTOCOL_LIST \
3384 $INDEV_LIST \
3385 $OUTDEV_LIST \
3386
3387 cat >>config.mak <<EOF
3388 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3389 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3390 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3391 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3392 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3393 EOF
3394
3395 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3396
3397 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3398 cp_if_changed $TMPH config.h
3399 touch .config
3400
3401 enabled yasm && cp_if_changed $TMPASM config.asm
3402
3403 cat > $TMPH <<EOF
3404 /* Generated by ffconf */
3405 #ifndef AVUTIL_AVCONFIG_H
3406 #define AVUTIL_AVCONFIG_H
3407 EOF
3408
3409 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3410
3411 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3412
3413 cp_if_changed $TMPH libavutil/avconfig.h
3414
3415 test -n "$WARNINGS" && printf "\n$WARNINGS"
3416
3417 # build pkg-config files
3418
3419 pkgconfig_generate(){
3420 name=$1
3421 shortname=${name#lib}${build_suffix}
3422 comment=$2
3423 version=$3
3424 libs=$4
3425 requires=$5
3426 enabled ${name#lib} || return 0
3427 cat <<EOF > $name/$name.pc
3428 prefix=$prefix
3429 exec_prefix=\${prefix}
3430 libdir=$libdir
3431 includedir=$incdir
3432
3433 Name: $name
3434 Description: $comment
3435 Version: $version
3436 Requires: $(enabled shared || echo $requires)
3437 Requires.private: $(enabled shared && echo $requires)
3438 Conflicts:
3439 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3440 Libs.private: $(enabled shared && echo $libs)
3441 Cflags: -I\${includedir}
3442 EOF
3443 cat <<EOF > $name/$name-uninstalled.pc
3444 prefix=
3445 exec_prefix=
3446 libdir=\${pcfiledir}
3447 includedir=${source_path}
3448
3449 Name: $name
3450 Description: $comment
3451 Version: $version
3452 Requires: $requires
3453 Conflicts:
3454 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3455 Cflags: -I\${includedir}
3456 EOF
3457 }
3458
3459 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3460 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3461 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3462 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3463 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3464 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3465 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"