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