configure: add check for w32threads to enable it automatically
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-gnutls enable gnutls [no]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libopencv enable video filtering via libopencv [no]
170 --enable-libcdio enable audio CD grabbing with libcdio
171 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
172 and libraw1394 [no]
173 --enable-libdirac enable Dirac support via libdirac [no]
174 --enable-libfaac enable FAAC support via libfaac [no]
175 --enable-libfreetype enable libfreetype [no]
176 --enable-libgsm enable GSM support via libgsm [no]
177 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
178 --enable-libnut enable NUT (de)muxing via libnut,
179 native (de)muxer exists [no]
180 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
181 --enable-librtmp enable RTMP[E] support via librtmp [no]
182 --enable-libschroedinger enable Dirac support via libschroedinger [no]
183 --enable-libspeex enable Speex support via libspeex [no]
184 --enable-libtheora enable Theora encoding via libtheora [no]
185 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
186 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
187 --enable-libvorbis enable Vorbis encoding via libvorbis,
188 native implementation exists [no]
189 --enable-libvpx enable VP8 support via libvpx [no]
190 --enable-libx264 enable H.264 encoding via x264 [no]
191 --enable-libxavs enable AVS encoding via xavs [no]
192 --enable-libxvid enable Xvid encoding via xvidcore,
193 native MPEG-4/Xvid encoder exists [no]
194 --enable-mlib enable Sun medialib [no]
195 --enable-openssl enable openssl [no]
196 --enable-zlib enable zlib [autodetect]
197
198 Advanced options (experts only):
199 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
200 --enable-cross-compile assume a cross-compiler is used
201 --sysroot=PATH root of cross-build tree
202 --sysinclude=PATH location of cross-build system headers
203 --target-os=OS compiler targets OS [$target_os]
204 --target-exec=CMD command to run executables on target
205 --target-path=DIR path to view of build directory on target
206 --nm=NM use nm tool
207 --ar=AR use archive tool AR [$ar_default]
208 --as=AS use assembler AS [$as_default]
209 --cc=CC use C compiler CC [$cc_default]
210 --ld=LD use linker LD
211 --host-cc=HOSTCC use host C compiler HOSTCC
212 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
213 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
214 --host-libs=HLIBS use libs HLIBS when linking for host
215 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
216 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
217 --extra-libs=ELIBS add ELIBS [$ELIBS]
218 --extra-version=STRING version string suffix []
219 --build-suffix=SUFFIX library name suffix []
220 --arch=ARCH select architecture [$arch]
221 --cpu=CPU select the minimum required CPU (affects
222 instruction selection, may crash on older CPUs)
223 --disable-asm disable all assembler optimizations
224 --disable-altivec disable AltiVec optimizations
225 --disable-amd3dnow disable 3DNow! optimizations
226 --disable-amd3dnowext disable 3DNow! extended optimizations
227 --disable-mmx disable MMX optimizations
228 --disable-mmx2 disable MMX2 optimizations
229 --disable-sse disable SSE optimizations
230 --disable-ssse3 disable SSSE3 optimizations
231 --disable-avx disable AVX optimizations
232 --disable-armv5te disable armv5te optimizations
233 --disable-armv6 disable armv6 optimizations
234 --disable-armv6t2 disable armv6t2 optimizations
235 --disable-armvfp disable ARM VFP optimizations
236 --disable-iwmmxt disable iwmmxt optimizations
237 --disable-mmi disable MMI optimizations
238 --disable-neon disable neon optimizations
239 --disable-vis disable VIS optimizations
240 --disable-yasm disable use of yasm assembler
241 --enable-pic build position-independent code
242 --malloc-prefix=PFX prefix malloc and related names with PFX
243 --enable-sram allow use of on-chip SRAM
244 --disable-symver disable symbol versioning
245 --optflags override optimization-related compiler flags
246
247 Developer options (useful when working on Libav itself):
248 --disable-debug disable debugging symbols
249 --enable-debug=LEVEL set the debug level [$debuglevel]
250 --disable-optimizations disable compiler optimizations
251 --enable-extra-warnings enable more compiler warnings
252 --samples=PATH location of test samples for FATE, if not set use
253 \$FATE_SAMPLES at make invocation time.
254
255 NOTE: Object files are built at the place where configure is launched.
256 EOF
257 exit 0
258 }
259
260 quotes='""'
261
262 log(){
263 echo "$@" >> $logfile
264 }
265
266 log_file(){
267 log BEGIN $1
268 pr -n -t $1 >> $logfile
269 log END $1
270 }
271
272 echolog(){
273 log "$@"
274 echo "$@"
275 }
276
277 warn(){
278 log "WARNING: $*"
279 WARNINGS="${WARNINGS}WARNING: $*\n"
280 }
281
282 die(){
283 echolog "$@"
284 cat <<EOF
285
286 If you think configure made a mistake, make sure you are using the latest
287 version from Git. If the latest version fails, report the problem to the
288 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
289 EOF
290 if disabled logging; then
291 cat <<EOF
292 Rerun configure with logging enabled (do not use --disable-logging), and
293 include the log this produces with your report.
294 EOF
295 else
296 cat <<EOF
297 Include the log file "$logfile" produced by configure as this will help
298 solving the problem.
299 EOF
300 fi
301 exit 1
302 }
303
304 # Avoid locale weirdness, besides we really just want to translate ASCII.
305 toupper(){
306 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
307 }
308
309 tolower(){
310 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
311 }
312
313 c_escape(){
314 echo "$*" | sed 's/["\\]/\\\0/g'
315 }
316
317 sh_quote(){
318 v=$(echo "$1" | sed "s/'/'\\\\''/g")
319 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
320 echo "$v"
321 }
322
323 cleanws(){
324 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
325 }
326
327 filter(){
328 pat=$1
329 shift
330 for v; do
331 eval "case $v in $pat) echo $v ;; esac"
332 done
333 }
334
335 filter_out(){
336 pat=$1
337 shift
338 for v; do
339 eval "case $v in $pat) ;; *) echo $v ;; esac"
340 done
341 }
342
343 map(){
344 m=$1
345 shift
346 for v; do eval $m; done
347 }
348
349 set_all(){
350 value=$1
351 shift
352 for var in $*; do
353 eval $var=$value
354 done
355 }
356
357 set_weak(){
358 value=$1
359 shift
360 for var; do
361 eval : \${$var:=$value}
362 done
363 }
364
365 set_safe(){
366 var=$1
367 shift
368 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
369 }
370
371 get_safe(){
372 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
373 }
374
375 pushvar(){
376 for var in $*; do
377 eval level=\${${var}_level:=0}
378 eval ${var}_${level}="\$$var"
379 eval ${var}_level=$(($level+1))
380 done
381 }
382
383 popvar(){
384 for var in $*; do
385 eval level=\${${var}_level:-0}
386 test $level = 0 && continue
387 eval level=$(($level-1))
388 eval $var="\${${var}_${level}}"
389 eval ${var}_level=$level
390 eval unset ${var}_${level}
391 done
392 }
393
394 enable(){
395 set_all yes $*
396 }
397
398 disable(){
399 set_all no $*
400 }
401
402 enable_weak(){
403 set_weak yes $*
404 }
405
406 disable_weak(){
407 set_weak no $*
408 }
409
410 enable_safe(){
411 for var; do
412 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
413 done
414 }
415
416 disable_safe(){
417 for var; do
418 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
419 done
420 }
421
422 do_enable_deep(){
423 for var; do
424 enabled $var && continue
425 eval sel="\$${var}_select"
426 eval sgs="\$${var}_suggest"
427 pushvar var sgs
428 enable_deep $sel
429 popvar sgs
430 enable_deep_weak $sgs
431 popvar var
432 done
433 }
434
435 enable_deep(){
436 do_enable_deep $*
437 enable $*
438 }
439
440 enable_deep_weak(){
441 do_enable_deep $*
442 enable_weak $*
443 }
444
445 enabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xyes"
448 }
449
450 disabled(){
451 test "${1#!}" = "$1" && op== || op=!=
452 eval test "x\$${1#!}" $op "xno"
453 }
454
455 enabled_all(){
456 for opt; do
457 enabled $opt || return 1
458 done
459 }
460
461 disabled_all(){
462 for opt; do
463 disabled $opt || return 1
464 done
465 }
466
467 enabled_any(){
468 for opt; do
469 enabled $opt && return 0
470 done
471 }
472
473 disabled_any(){
474 for opt; do
475 disabled $opt && return 0
476 done
477 return 1
478 }
479
480 set_default(){
481 for opt; do
482 eval : \${$opt:=\$${opt}_default}
483 done
484 }
485
486 is_in(){
487 value=$1
488 shift
489 for var in $*; do
490 [ $var = $value ] && return 0
491 done
492 return 1
493 }
494
495 check_deps(){
496 for cfg; do
497 cfg="${cfg#!}"
498 enabled ${cfg}_checking && die "Circular dependency for $cfg."
499 disabled ${cfg}_checking && continue
500 enable ${cfg}_checking
501
502 eval dep_all="\$${cfg}_deps"
503 eval dep_any="\$${cfg}_deps_any"
504 eval dep_sel="\$${cfg}_select"
505 eval dep_sgs="\$${cfg}_suggest"
506 eval dep_ifa="\$${cfg}_if"
507 eval dep_ifn="\$${cfg}_if_any"
508
509 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
510 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
511 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
512
513 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
514 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
515 enabled_all $dep_all || disable $cfg
516 enabled_any $dep_any || disable $cfg
517 disabled_any $dep_sel && disable $cfg
518
519 if enabled $cfg; then
520 eval dep_extralibs="\$${cfg}_extralibs"
521 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
522 enable_deep $dep_sel
523 enable_deep_weak $dep_sgs
524 fi
525
526 disable ${cfg}_checking
527 done
528 }
529
530 print_config_h(){
531 enabled $1 && v=1 || v=0
532 echo "#define $2 $v"
533 }
534
535 print_config_mak(){
536 enabled $1 && v= || v=!
537 echo "$v$2=yes"
538 }
539
540 print_config_asm(){
541 enabled $1 && echo "%define $2"
542 }
543
544 print_config(){
545 pfx=$1
546 files=$2
547 shift 2
548 for cfg; do
549 ucname="$(toupper $cfg)"
550 for f in $files; do
551 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
552 done
553 done
554 }
555
556 print_enabled(){
557 test "$1" = -n && end=" " && shift || end="\n"
558 suf=$1
559 shift
560 for v; do
561 enabled $v && printf "%s$end" ${v%$suf};
562 done
563 }
564
565 append(){
566 var=$1
567 shift
568 eval "$var=\"\$$var $*\""
569 }
570
571 prepend(){
572 var=$1
573 shift
574 eval "$var=\"$* \$$var\""
575 }
576
577 add_cppflags(){
578 append CPPFLAGS $($filter_cppflags "$@")
579 }
580
581 add_cflags(){
582 append CFLAGS $($filter_cflags "$@")
583 }
584
585 add_asflags(){
586 append ASFLAGS $($filter_asflags "$@")
587 }
588
589 add_ldflags(){
590 append LDFLAGS "$@"
591 }
592
593 add_extralibs(){
594 prepend extralibs "$@"
595 }
596
597 check_cmd(){
598 log "$@"
599 "$@" >> $logfile 2>&1
600 }
601
602 check_cc(){
603 log check_cc "$@"
604 cat > $TMPC
605 log_file $TMPC
606 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
607 }
608
609 check_cpp(){
610 log check_cpp "$@"
611 cat > $TMPC
612 log_file $TMPC
613 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
614 }
615
616 check_as(){
617 log check_as "$@"
618 cat > $TMPC
619 log_file $TMPC
620 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
621 }
622
623 check_asm(){
624 log check_asm "$@"
625 name="$1"
626 code="$2"
627 shift 2
628 disable $name
629 check_as "$@" <<EOF && enable $name
630 void foo(void){ __asm__ volatile($code); }
631 EOF
632 }
633
634 check_yasm(){
635 log check_yasm "$@"
636 echo "$1" > $TMPS
637 log_file $TMPS
638 shift 1
639 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
640 }
641
642 check_ld(){
643 log check_ld "$@"
644 flags=''
645 libs=''
646 for f; do
647 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
648 done
649 check_cc $($filter_cflags $flags) || return
650 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
651 }
652
653 check_cppflags(){
654 log check_cppflags "$@"
655 set -- $($filter_cppflags "$@")
656 check_cc "$@" <<EOF && append CPPFLAGS "$@"
657 int x;
658 EOF
659 }
660
661 check_cflags(){
662 log check_cflags "$@"
663 set -- $($filter_cflags "$@")
664 check_cc "$@" <<EOF && append CFLAGS "$@"
665 int x;
666 EOF
667 }
668
669 test_ldflags(){
670 log test_ldflags "$@"
671 check_ld "$@" <<EOF
672 int main(void){ return 0; }
673 EOF
674 }
675
676 check_ldflags(){
677 log check_ldflags "$@"
678 test_ldflags "$@" && add_ldflags "$@"
679 }
680
681 check_header(){
682 log check_header "$@"
683 header=$1
684 shift
685 disable_safe $header
686 check_cpp "$@" <<EOF && enable_safe $header
687 #include <$header>
688 int x;
689 EOF
690 }
691
692 check_func(){
693 log check_func "$@"
694 func=$1
695 shift
696 disable $func
697 check_ld "$@" <<EOF && enable $func
698 extern int $func();
699 int main(void){ $func(); }
700 EOF
701 }
702
703 check_mathfunc(){
704 log check_mathfunc "$@"
705 func=$1
706 shift
707 disable $func
708 check_ld "$@" <<EOF && enable $func
709 #include <math.h>
710 float foo(float f) { return $func(f); }
711 int main(void){ return 0; }
712 EOF
713 }
714
715 check_func_headers(){
716 log check_func_headers "$@"
717 headers=$1
718 funcs=$2
719 shift 2
720 {
721 for hdr in $headers; do
722 echo "#include <$hdr>"
723 done
724 for func in $funcs; do
725 echo "long check_$func(void) { return (long) $func; }"
726 done
727 echo "int main(void) { return 0; }"
728 } | check_ld "$@" && enable $funcs && enable_safe $headers
729 }
730
731 check_cpp_condition(){
732 log check_cpp_condition "$@"
733 header=$1
734 condition=$2
735 shift 2
736 check_cpp $($filter_cppflags "$@") <<EOF
737 #include <$header>
738 #if !($condition)
739 #error "unsatisfied condition: $condition"
740 #endif
741 EOF
742 }
743
744 check_lib(){
745 log check_lib "$@"
746 header="$1"
747 func="$2"
748 shift 2
749 check_header $header && check_func $func "$@" && add_extralibs "$@"
750 }
751
752 check_lib2(){
753 log check_lib2 "$@"
754 headers="$1"
755 funcs="$2"
756 shift 2
757 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
758 }
759
760 check_pkg_config(){
761 log check_pkg_config "$@"
762 pkg="$1"
763 headers="$2"
764 funcs="$3"
765 shift 3
766 $pkg_config --exists $pkg || return
767 pkg_cflags=$($pkg_config --cflags $pkg)
768 pkg_libs=$($pkg_config --libs $pkg)
769 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
770 set_safe ${pkg}_cflags $pkg_cflags &&
771 set_safe ${pkg}_libs $pkg_libs
772 }
773
774 check_exec(){
775 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
776 }
777
778 check_exec_crash(){
779 code=$(cat)
780
781 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
782 # are safe but may not be available everywhere. Thus we use
783 # raise(SIGTERM) instead. The check is run in a subshell so we
784 # can redirect the "Terminated" message from the shell. SIGBUS
785 # is not defined by standard C so it is used conditionally.
786
787 (check_exec "$@") >> $logfile 2>&1 <<EOF
788 #include <signal.h>
789 static void sighandler(int sig){
790 raise(SIGTERM);
791 }
792 int main(void){
793 signal(SIGILL, sighandler);
794 signal(SIGFPE, sighandler);
795 signal(SIGSEGV, sighandler);
796 #ifdef SIGBUS
797 signal(SIGBUS, sighandler);
798 #endif
799 { $code }
800 }
801 EOF
802 }
803
804 check_type(){
805 log check_type "$@"
806 headers=$1
807 type=$2
808 shift 2
809 disable_safe "$type"
810 incs=""
811 for hdr in $headers; do
812 incs="$incs
813 #include <$hdr>"
814 done
815 check_cc "$@" <<EOF && enable_safe "$type"
816 $incs
817 $type v;
818 EOF
819 }
820
821 check_struct(){
822 log check_type "$@"
823 headers=$1
824 struct=$2
825 member=$3
826 shift 3
827 disable_safe "${struct}_${member}"
828 incs=""
829 for hdr in $headers; do
830 incs="$incs
831 #include <$hdr>"
832 done
833 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
834 $incs
835 const void *p = &(($struct *)0)->$member;
836 EOF
837 }
838
839 require(){
840 name="$1"
841 header="$2"
842 func="$3"
843 shift 3
844 check_lib $header $func "$@" || die "ERROR: $name not found"
845 }
846
847 require2(){
848 name="$1"
849 headers="$2"
850 func="$3"
851 shift 3
852 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
853 }
854
855 require_pkg_config(){
856 pkg="$1"
857 check_pkg_config "$@" || die "ERROR: $pkg not found"
858 add_cflags $(get_safe ${pkg}_cflags)
859 add_extralibs $(get_safe ${pkg}_libs)
860 }
861
862 check_host_cc(){
863 log check_host_cc "$@"
864 cat > $TMPC
865 log_file $TMPC
866 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
867 }
868
869 check_host_cflags(){
870 log check_host_cflags "$@"
871 check_host_cc "$@" <<EOF && append host_cflags "$@"
872 int x;
873 EOF
874 }
875
876 apply(){
877 file=$1
878 shift
879 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
880 }
881
882 cp_if_changed(){
883 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
884 mkdir -p "$(dirname $2)"
885 cp -f "$1" "$2"
886 }
887
888 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
889 # system-dependent things.
890
891 COMPONENT_LIST="
892 bsfs
893 decoders
894 demuxers
895 encoders
896 filters
897 hwaccels
898 indevs
899 muxers
900 outdevs
901 parsers
902 protocols
903 "
904
905 CONFIG_LIST="
906 $COMPONENT_LIST
907 aandct
908 ac3dsp
909 avcodec
910 avdevice
911 avfilter
912 avformat
913 avisynth
914 bzlib
915 dct
916 doc
917 dwt
918 dxva2
919 fastdiv
920 ffmpeg
921 avconv
922 avplay
923 avprobe
924 avserver
925 fft
926 frei0r
927 gnutls
928 golomb
929 gpl
930 gray
931 h264dsp
932 h264pred
933 hardcoded_tables
934 huffman
935 libcdio
936 libdc1394
937 libdirac
938 libfaac
939 libfreetype
940 libgsm
941 libmp3lame
942 libnut
943 libopencore_amrnb
944 libopencore_amrwb
945 libopencv
946 libopenjpeg
947 libpulse
948 librtmp
949 libschroedinger
950 libspeex
951 libtheora
952 libvo_aacenc
953 libvo_amrwbenc
954 libvorbis
955 libvpx
956 libx264
957 libxavs
958 libxvid
959 lpc
960 lsp
961 mdct
962 memalign_hack
963 mlib
964 mpegaudiodsp
965 network
966 nonfree
967 openssl
968 pic
969 postproc
970 rdft
971 rtpdec
972 runtime_cpudetect
973 shared
974 sinewin
975 small
976 sram
977 static
978 swscale
979 swscale_alpha
980 thumb
981 vaapi
982 vda
983 vdpau
984 version3
985 x11grab
986 zlib
987 "
988
989 THREADS_LIST='
990 pthreads
991 w32threads
992 '
993
994 ARCH_LIST='
995 alpha
996 arm
997 avr32
998 avr32_ap
999 avr32_uc
1000 bfin
1001 ia64
1002 m68k
1003 mips
1004 mips64
1005 parisc
1006 ppc
1007 ppc64
1008 s390
1009 sh4
1010 sparc
1011 sparc64
1012 tomi
1013 x86
1014 x86_32
1015 x86_64
1016 '
1017
1018 ARCH_EXT_LIST='
1019 altivec
1020 amd3dnow
1021 amd3dnowext
1022 armv5te
1023 armv6
1024 armv6t2
1025 armvfp
1026 avx
1027 iwmmxt
1028 mmi
1029 mmx
1030 mmx2
1031 neon
1032 ppc4xx
1033 sse
1034 ssse3
1035 vfpv3
1036 vis
1037 '
1038
1039 HAVE_LIST_PUB='
1040 bigendian
1041 fast_unaligned
1042 '
1043
1044 HAVE_LIST="
1045 $ARCH_EXT_LIST
1046 $HAVE_LIST_PUB
1047 $THREADS_LIST
1048 aligned_stack
1049 alsa_asoundlib_h
1050 altivec_h
1051 arpa_inet_h
1052 asm_mod_y
1053 attribute_may_alias
1054 attribute_packed
1055 bswap
1056 closesocket
1057 cmov
1058 dcbzl
1059 dev_bktr_ioctl_bt848_h
1060 dev_bktr_ioctl_meteor_h
1061 dev_ic_bt8xx_h
1062 dev_video_meteor_ioctl_meteor_h
1063 dev_video_bktr_ioctl_bt848_h
1064 dlfcn_h
1065 dlopen
1066 dos_paths
1067 ebp_available
1068 ebx_available
1069 exp2
1070 exp2f
1071 fast_64bit
1072 fast_clz
1073 fast_cmov
1074 fcntl
1075 fork
1076 getaddrinfo
1077 gethrtime
1078 GetProcessMemoryInfo
1079 GetProcessTimes
1080 getrusage
1081 gnu_as
1082 struct_rusage_ru_maxrss
1083 ibm_asm
1084 inet_aton
1085 inline_asm
1086 isatty
1087 ldbrx
1088 libdc1394_1
1089 libdc1394_2
1090 llrint
1091 llrintf
1092 local_aligned_16
1093 local_aligned_8
1094 localtime_r
1095 log2
1096 log2f
1097 loongson
1098 lrint
1099 lrintf
1100 lzo1x_999_compress
1101 machine_ioctl_bt848_h
1102 machine_ioctl_meteor_h
1103 malloc_h
1104 MapViewOfFile
1105 memalign
1106 mkstemp
1107 mmap
1108 posix_memalign
1109 round
1110 roundf
1111 sdl
1112 sdl_video_size
1113 setmode
1114 sndio_h
1115 socklen_t
1116 soundcard_h
1117 poll_h
1118 setrlimit
1119 strerror_r
1120 strptime
1121 strtok_r
1122 struct_addrinfo
1123 struct_ipv6_mreq
1124 struct_sockaddr_in6
1125 struct_sockaddr_sa_len
1126 struct_sockaddr_storage
1127 symver
1128 symver_gnu_asm
1129 symver_asm_label
1130 sys_mman_h
1131 sys_resource_h
1132 sys_select_h
1133 sys_soundcard_h
1134 sys_videoio_h
1135 threads
1136 trunc
1137 truncf
1138 vfp_args
1139 VirtualAlloc
1140 winsock2_h
1141 xform_asm
1142 xmm_clobbers
1143 yasm
1144 "
1145
1146 # options emitted with CONFIG_ prefix but not available on command line
1147 CONFIG_EXTRA="
1148 avutil
1149 gplv3
1150 lgplv3
1151 "
1152
1153 CMDLINE_SELECT="
1154 $ARCH_EXT_LIST
1155 $CONFIG_LIST
1156 $THREADS_LIST
1157 asm
1158 cross_compile
1159 debug
1160 extra_warnings
1161 logging
1162 optimizations
1163 symver
1164 yasm
1165 "
1166
1167 PATHS_LIST='
1168 bindir
1169 datadir
1170 incdir
1171 libdir
1172 mandir
1173 prefix
1174 shlibdir
1175 '
1176
1177 CMDLINE_SET="
1178 $PATHS_LIST
1179 ar
1180 arch
1181 as
1182 build_suffix
1183 cc
1184 cpu
1185 cross_prefix
1186 dep_cc
1187 extra_version
1188 host_cc
1189 host_cflags
1190 host_ldflags
1191 host_libs
1192 host_os
1193 ld
1194 logfile
1195 malloc_prefix
1196 nm
1197 optflags
1198 pkg_config
1199 samples
1200 sysinclude
1201 sysroot
1202 target_exec
1203 target_os
1204 target_path
1205 "
1206
1207 CMDLINE_APPEND="
1208 extra_cflags
1209 "
1210
1211 # code dependency declarations
1212
1213 # architecture extensions
1214
1215 armv5te_deps="arm"
1216 armv6_deps="arm"
1217 armv6t2_deps="arm"
1218 armvfp_deps="arm"
1219 iwmmxt_deps="arm"
1220 neon_deps="arm"
1221 vfpv3_deps="armvfp"
1222
1223 mmi_deps="mips"
1224
1225 altivec_deps="ppc"
1226 ppc4xx_deps="ppc"
1227
1228 vis_deps="sparc"
1229
1230 x86_64_suggest="cmov fast_cmov"
1231 amd3dnow_deps="mmx"
1232 amd3dnowext_deps="amd3dnow"
1233 mmx_deps="x86"
1234 mmx2_deps="mmx"
1235 sse_deps="mmx"
1236 ssse3_deps="sse"
1237 avx_deps="ssse3"
1238
1239 aligned_stack_if_any="ppc x86"
1240 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1241 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1242 fast_unaligned_if_any="armv6 ppc x86"
1243
1244 need_memalign="altivec neon sse"
1245 inline_asm_deps="!tms470"
1246
1247 symver_if_any="symver_asm_label symver_gnu_asm"
1248
1249 # subsystems
1250 dct_select="rdft"
1251 mdct_select="fft"
1252 rdft_select="fft"
1253 mpegaudiodsp_select="dct"
1254
1255 # decoders / encoders / hardware accelerators
1256 aac_decoder_select="mdct sinewin"
1257 aac_encoder_select="mdct sinewin"
1258 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1259 ac3_decoder_select="mdct ac3dsp ac3_parser"
1260 ac3_encoder_select="mdct ac3dsp"
1261 ac3_fixed_encoder_select="mdct ac3dsp"
1262 alac_encoder_select="lpc"
1263 amrnb_decoder_select="lsp"
1264 amrwb_decoder_select="lsp"
1265 atrac1_decoder_select="mdct sinewin"
1266 atrac3_decoder_select="mdct"
1267 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1268 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1269 cavs_decoder_select="golomb"
1270 cook_decoder_select="mdct sinewin"
1271 cscd_decoder_suggest="zlib"
1272 dca_decoder_select="mdct"
1273 dnxhd_encoder_select="aandct"
1274 dxa_decoder_select="zlib"
1275 eac3_decoder_select="ac3_decoder"
1276 eac3_encoder_select="mdct ac3dsp"
1277 eamad_decoder_select="aandct"
1278 eatgq_decoder_select="aandct"
1279 eatqi_decoder_select="aandct"
1280 ffv1_decoder_select="golomb"
1281 flac_decoder_select="golomb"
1282 flac_encoder_select="golomb lpc"
1283 flashsv_decoder_select="zlib"
1284 flashsv_encoder_select="zlib"
1285 flashsv2_decoder_select="zlib"
1286 flv_decoder_select="h263_decoder"
1287 flv_encoder_select="h263_encoder"
1288 fraps_decoder_select="huffman"
1289 h261_encoder_select="aandct"
1290 h263_decoder_select="h263_parser"
1291 h263_encoder_select="aandct"
1292 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1293 h263i_decoder_select="h263_decoder"
1294 h263p_encoder_select="h263_encoder"
1295 h264_decoder_select="golomb h264dsp h264pred"
1296 h264_dxva2_hwaccel_deps="dxva2api_h"
1297 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1298 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1299 h264_vda_hwaccel_select="vda h264_decoder"
1300 h264_vdpau_decoder_select="vdpau h264_decoder"
1301 imc_decoder_select="fft mdct sinewin"
1302 jpegls_decoder_select="golomb"
1303 jpegls_encoder_select="golomb"
1304 ljpeg_encoder_select="aandct"
1305 loco_decoder_select="golomb"
1306 mjpeg_encoder_select="aandct"
1307 mlp_decoder_select="mlp_parser"
1308 mp1_decoder_select="mpegaudiodsp"
1309 mp2_decoder_select="mpegaudiodsp"
1310 mp3adu_decoder_select="mpegaudiodsp"
1311 mp3_decoder_select="mpegaudiodsp"
1312 mp3on4_decoder_select="mpegaudiodsp"
1313 mp1float_decoder_select="mpegaudiodsp"
1314 mp2float_decoder_select="mpegaudiodsp"
1315 mp3adufloat_decoder_select="mpegaudiodsp"
1316 mp3float_decoder_select="mpegaudiodsp"
1317 mp3on4float_decoder_select="mpegaudiodsp"
1318 mpeg1video_encoder_select="aandct"
1319 mpeg2video_encoder_select="aandct"
1320 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1321 mpeg4_encoder_select="h263_encoder"
1322 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1323 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1324 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1325 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1326 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1327 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1328 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1329 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1330 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1331 msmpeg4v1_decoder_select="h263_decoder"
1332 msmpeg4v1_encoder_select="h263_encoder"
1333 msmpeg4v2_decoder_select="h263_decoder"
1334 msmpeg4v2_encoder_select="h263_encoder"
1335 msmpeg4v3_decoder_select="h263_decoder"
1336 msmpeg4v3_encoder_select="h263_encoder"
1337 nellymoser_decoder_select="mdct sinewin"
1338 nellymoser_encoder_select="mdct sinewin"
1339 png_decoder_select="zlib"
1340 png_encoder_select="zlib"
1341 qcelp_decoder_select="lsp"
1342 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1343 ra_144_encoder_select="lpc"
1344 rv10_decoder_select="h263_decoder"
1345 rv10_encoder_select="h263_encoder"
1346 rv20_decoder_select="h263_decoder"
1347 rv20_encoder_select="h263_encoder"
1348 rv30_decoder_select="golomb h264pred"
1349 rv40_decoder_select="golomb h264pred"
1350 shorten_decoder_select="golomb"
1351 sipr_decoder_select="lsp"
1352 snow_decoder_select="dwt"
1353 snow_encoder_select="aandct dwt"
1354 svq1_encoder_select="aandct"
1355 svq3_decoder_select="golomb h264dsp h264pred"
1356 svq3_decoder_suggest="zlib"
1357 theora_decoder_select="vp3_decoder"
1358 tiff_decoder_suggest="zlib"
1359 tiff_encoder_suggest="zlib"
1360 truehd_decoder_select="mlp_decoder"
1361 tscc_decoder_select="zlib"
1362 twinvq_decoder_select="mdct lsp sinewin"
1363 vc1_decoder_select="h263_decoder"
1364 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1365 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1366 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1367 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1368 vc1image_decoder_select="vc1_decoder"
1369 vorbis_decoder_select="mdct"
1370 vorbis_encoder_select="mdct"
1371 vp6_decoder_select="huffman"
1372 vp6a_decoder_select="vp6_decoder"
1373 vp6f_decoder_select="vp6_decoder"
1374 vp8_decoder_select="h264pred"
1375 wmapro_decoder_select="mdct sinewin"
1376 wmav1_decoder_select="mdct sinewin"
1377 wmav1_encoder_select="mdct sinewin"
1378 wmav2_decoder_select="mdct sinewin"
1379 wmav2_encoder_select="mdct sinewin"
1380 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1381 wmv1_decoder_select="h263_decoder"
1382 wmv1_encoder_select="h263_encoder"
1383 wmv2_decoder_select="h263_decoder"
1384 wmv2_encoder_select="h263_encoder"
1385 wmv3_decoder_select="vc1_decoder"
1386 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1387 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1388 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1389 wmv3image_decoder_select="wmv3_decoder"
1390 zlib_decoder_select="zlib"
1391 zlib_encoder_select="zlib"
1392 zmbv_decoder_select="zlib"
1393 zmbv_encoder_select="zlib"
1394
1395 vaapi_deps="va_va_h"
1396 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1397 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1398
1399 # parsers
1400 h264_parser_select="golomb h264dsp h264pred"
1401
1402 # external libraries
1403 libdirac_decoder_deps="libdirac !libschroedinger"
1404 libdirac_encoder_deps="libdirac"
1405 libfaac_encoder_deps="libfaac"
1406 libgsm_decoder_deps="libgsm"
1407 libgsm_encoder_deps="libgsm"
1408 libgsm_ms_decoder_deps="libgsm"
1409 libgsm_ms_encoder_deps="libgsm"
1410 libmp3lame_encoder_deps="libmp3lame"
1411 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1412 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1413 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1414 libopenjpeg_decoder_deps="libopenjpeg"
1415 libschroedinger_decoder_deps="libschroedinger"
1416 libschroedinger_encoder_deps="libschroedinger"
1417 libspeex_decoder_deps="libspeex"
1418 libspeex_encoder_deps="libspeex"
1419 libtheora_encoder_deps="libtheora"
1420 libvo_aacenc_encoder_deps="libvo_aacenc"
1421 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1422 libvorbis_encoder_deps="libvorbis"
1423 libvpx_decoder_deps="libvpx"
1424 libvpx_encoder_deps="libvpx"
1425 libx264_encoder_deps="libx264"
1426 libxavs_encoder_deps="libxavs"
1427 libxvid_encoder_deps="libxvid"
1428
1429 # demuxers / muxers
1430 ac3_demuxer_select="ac3_parser"
1431 asf_stream_muxer_select="asf_muxer"
1432 avisynth_demuxer_deps="avisynth"
1433 dirac_demuxer_select="dirac_parser"
1434 eac3_demuxer_select="ac3_parser"
1435 flac_demuxer_select="flac_parser"
1436 ipod_muxer_select="mov_muxer"
1437 libnut_demuxer_deps="libnut"
1438 libnut_muxer_deps="libnut"
1439 matroska_audio_muxer_select="matroska_muxer"
1440 matroska_demuxer_suggest="zlib bzlib"
1441 mov_demuxer_suggest="zlib"
1442 mp3_demuxer_select="mpegaudio_parser"
1443 mp4_muxer_select="mov_muxer"
1444 mpegtsraw_demuxer_select="mpegts_demuxer"
1445 mxf_d10_muxer_select="mxf_muxer"
1446 ogg_demuxer_select="golomb"
1447 psp_muxer_select="mov_muxer"
1448 rtp_demuxer_select="sdp_demuxer"
1449 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1450 rtsp_demuxer_select="http_protocol rtpdec"
1451 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1452 sap_demuxer_select="sdp_demuxer"
1453 sap_muxer_select="rtp_muxer rtp_protocol"
1454 sdp_demuxer_select="rtpdec"
1455 spdif_muxer_select="aac_parser"
1456 tg2_muxer_select="mov_muxer"
1457 tgp_muxer_select="mov_muxer"
1458 w64_demuxer_deps="wav_demuxer"
1459
1460 # indevs / outdevs
1461 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1462 alsa_outdev_deps="alsa_asoundlib_h"
1463 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1464 dv1394_indev_deps="dv1394 dv_demuxer"
1465 fbdev_indev_deps="linux_fb_h"
1466 jack_indev_deps="jack_jack_h"
1467 libcdio_indev_deps="libcdio"
1468 libdc1394_indev_deps="libdc1394"
1469 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1470 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1471 pulse_indev_deps="libpulse"
1472 sndio_indev_deps="sndio_h"
1473 sndio_outdev_deps="sndio_h"
1474 v4l_indev_deps="linux_videodev_h"
1475 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1476 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1477 vfwcap_indev_extralibs="-lavicap32"
1478 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1479 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1480
1481 # protocols
1482 gopher_protocol_deps="network"
1483 http_protocol_deps="network"
1484 http_protocol_select="tcp_protocol"
1485 https_protocol_select="tls_protocol"
1486 mmsh_protocol_select="http_protocol"
1487 mmst_protocol_deps="network"
1488 rtmp_protocol_select="tcp_protocol"
1489 rtp_protocol_select="udp_protocol"
1490 tcp_protocol_deps="network"
1491 tls_protocol_deps_any="openssl gnutls"
1492 tls_protocol_select="tcp_protocol"
1493 udp_protocol_deps="network"
1494
1495 # filters
1496 blackframe_filter_deps="gpl"
1497 boxblur_filter_deps="gpl"
1498 cropdetect_filter_deps="gpl"
1499 delogo_filter_deps="gpl"
1500 drawtext_filter_deps="libfreetype"
1501 frei0r_filter_deps="frei0r dlopen strtok_r"
1502 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1503 hqdn3d_filter_deps="gpl"
1504 ocv_filter_deps="libopencv"
1505 scale_filter_deps="swscale"
1506 yadif_filter_deps="gpl"
1507
1508 # libraries
1509 avdevice_deps="avcodec avformat"
1510 avformat_deps="avcodec"
1511 postproc_deps="gpl"
1512
1513 # programs
1514 ffmpeg_deps="avcodec avformat swscale"
1515 ffmpeg_select="buffer_filter"
1516 avconv_deps="avcodec avformat swscale"
1517 avconv_select="buffer_filter"
1518 avplay_deps="avcodec avformat swscale sdl"
1519 avplay_select="rdft"
1520 avprobe_deps="avcodec avformat"
1521 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1522 avserver_extralibs='$ldl'
1523
1524 doc_deps="texi2html"
1525
1526 # tests
1527
1528 test_deps(){
1529 suf1=$1
1530 suf2=$2
1531 shift 2
1532 for v; do
1533 dep=${v%=*}
1534 tests=${v#*=}
1535 for name in ${tests}; do
1536 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1537 done
1538 done
1539 }
1540
1541 mxf_d10_test_deps="avfilter"
1542 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1543
1544 test_deps _encoder _decoder \
1545 adpcm_g726=g726 \
1546 adpcm_ima_qt \
1547 adpcm_ima_wav \
1548 adpcm_ms \
1549 adpcm_swf \
1550 adpcm_yamaha=adpcm_yam \
1551 alac \
1552 asv1 \
1553 asv2 \
1554 bmp \
1555 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1556 dvvideo="dv dv50" \
1557 ffv1 \
1558 flac \
1559 flashsv \
1560 flv \
1561 gif \
1562 h261 \
1563 h263="h263 h263p" \
1564 huffyuv \
1565 jpegls \
1566 mjpeg="jpg mjpeg ljpeg" \
1567 mp2 \
1568 mpeg1video="mpeg mpeg1b" \
1569 mpeg2video="mpeg2 mpeg2thread" \
1570 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1571 msmpeg4v3=msmpeg4 \
1572 msmpeg4v2 \
1573 pbm=pbmpipe \
1574 pcx \
1575 pgm="pgm pgmpipe" \
1576 png \
1577 ppm="ppm ppmpipe" \
1578 rawvideo="rgb yuv" \
1579 roq \
1580 rv10 \
1581 rv20 \
1582 sgi \
1583 snow="snow snowll" \
1584 svq1 \
1585 targa=tga \
1586 tiff \
1587 wmav1 \
1588 wmav2 \
1589 wmv1 \
1590 wmv2 \
1591
1592 test_deps _muxer _demuxer \
1593 aiff \
1594 pcm_alaw=alaw \
1595 asf \
1596 au \
1597 avi \
1598 dv=dv_fmt \
1599 ffm \
1600 flv=flv_fmt \
1601 gxf \
1602 matroska=mkv \
1603 mmf \
1604 mov \
1605 pcm_mulaw=mulaw \
1606 mxf="mxf mxf_d10" \
1607 nut \
1608 ogg \
1609 rawvideo=pixfmt \
1610 rm \
1611 swf \
1612 mpegts=ts \
1613 voc \
1614 wav \
1615 yuv4mpegpipe=yuv4mpeg \
1616
1617 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1618 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1619
1620 # default parameters
1621
1622 logfile="config.log"
1623
1624 # installation paths
1625 prefix_default="/usr/local"
1626 bindir_default='${prefix}/bin'
1627 datadir_default='${prefix}/share/avconv'
1628 incdir_default='${prefix}/include'
1629 libdir_default='${prefix}/lib'
1630 mandir_default='${prefix}/share/man'
1631 shlibdir_default="$libdir_default"
1632
1633 # toolchain
1634 ar_default="ar"
1635 cc_default="gcc"
1636 cc_version=\"unknown\"
1637 host_cc_default="gcc"
1638 ln_s="ln -sf"
1639 nm_default="nm"
1640 objformat="elf"
1641 pkg_config_default=pkg-config
1642 ranlib="ranlib"
1643 yasmexe="yasm"
1644 nogas=":"
1645
1646 nm_opts='-g'
1647
1648 # machine
1649 arch_default=$(uname -m)
1650 cpu="generic"
1651
1652 # OS
1653 target_os_default=$(tolower $(uname -s))
1654 host_os=$target_os_default
1655
1656 # configurable options
1657 enable avcodec
1658 enable avdevice
1659 enable avfilter
1660 enable avformat
1661 enable avutil
1662 enable asm
1663 enable debug
1664 enable doc
1665 enable fastdiv
1666 enable ffmpeg
1667 enable avconv
1668 enable avplay
1669 enable avprobe
1670 enable avserver
1671 enable network
1672 enable optimizations
1673 enable postproc
1674 enable protocols
1675 enable static
1676 enable swscale
1677 enable swscale_alpha
1678
1679 # build settings
1680 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1681 AVSERVERLDFLAGS=-Wl,-E
1682 LIBPREF="lib"
1683 LIBSUF=".a"
1684 FULLNAME='$(NAME)$(BUILDSUF)'
1685 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1686 SLIBPREF="lib"
1687 SLIBSUF=".so"
1688 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1689 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1690 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1691 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1692 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1693 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1694
1695 AS_O='-o $@'
1696 CC_O='-o $@'
1697
1698 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1699 host_libs='-lm'
1700
1701 target_path='$(CURDIR)'
1702
1703 # since the object filename is not given with the -MM flag, the compiler
1704 # is only able to print the basename, and we must add the path ourselves
1705 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1706 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1707
1708 # find source path
1709 if test -f configure; then
1710 source_path=.
1711 else
1712 source_path=$(cd $(dirname "$0"); pwd)
1713 echo "$source_path" | grep -q '[[:blank:]]' &&
1714 die "Out of tree builds are impossible with whitespace in source path."
1715 test -e "$source_path/config.h" &&
1716 die "Out of tree builds are impossible with config.h in source dir."
1717 fi
1718
1719 for v in "$@"; do
1720 r=${v#*=}
1721 l=${v%"$r"}
1722 r=$(sh_quote "$r")
1723 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1724 done
1725
1726 find_things(){
1727 thing=$1
1728 pattern=$2
1729 file=$source_path/$3
1730 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1731 }
1732
1733 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1734 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1735 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1736 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1737 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1738 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1739 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1740 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1741 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1742 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1743 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1744
1745 find_tests(){
1746 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1747 }
1748
1749 ACODEC_TESTS=$(find_tests acodec)
1750 VCODEC_TESTS=$(find_tests vsynth1)
1751 LAVF_TESTS=$(find_tests lavf)
1752 LAVFI_TESTS=$(find_tests lavfi)
1753 SEEK_TESTS=$(find_tests seek seek_)
1754
1755 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1756
1757 for n in $COMPONENT_LIST; do
1758 v=$(toupper ${n%s})_LIST
1759 eval enable \$$v
1760 eval ${n}_if_any="\$$v"
1761 done
1762
1763 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1764
1765 die_unknown(){
1766 echo "Unknown option \"$1\"."
1767 echo "See $0 --help for available options."
1768 exit 1
1769 }
1770
1771 show_list() {
1772 suffix=_$1
1773 shift
1774 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1775 exit 0
1776 }
1777
1778 for opt do
1779 optval="${opt#*=}"
1780 case "$opt" in
1781 --extra-ldflags=*) add_ldflags $optval
1782 ;;
1783 --extra-libs=*) add_extralibs $optval
1784 ;;
1785 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1786 ;;
1787 --enable-debug=*) debuglevel="$optval"
1788 ;;
1789 --disable-everything)
1790 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1791 ;;
1792 --enable-*=*|--disable-*=*)
1793 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1794 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1795 eval list=\$$(toupper $thing)_LIST
1796 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1797 $action $(filter "$name" $list)
1798 ;;
1799 --enable-?*|--disable-?*)
1800 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1801 if is_in $option $COMPONENT_LIST; then
1802 test $action = disable && action=unset
1803 eval $action \$$(toupper ${option%s})_LIST
1804 elif is_in $option $CMDLINE_SELECT; then
1805 $action $option
1806 else
1807 die_unknown $opt
1808 fi
1809 ;;
1810 --list-*)
1811 NAME="${opt#--list-}"
1812 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1813 NAME=${NAME%s}
1814 eval show_list $NAME \$$(toupper $NAME)_LIST
1815 ;;
1816 --help|-h) show_help
1817 ;;
1818 *)
1819 optname="${opt%%=*}"
1820 optname="${optname#--}"
1821 optname=$(echo "$optname" | sed 's/-/_/g')
1822 if is_in $optname $CMDLINE_SET; then
1823 eval $optname='$optval'
1824 elif is_in $optname $CMDLINE_APPEND; then
1825 append $optname "$optval"
1826 else
1827 die_unknown $opt
1828 fi
1829 ;;
1830 esac
1831 done
1832
1833 disabled logging && logfile=/dev/null
1834
1835 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1836 set >> $logfile
1837
1838 test -n "$cross_prefix" && enable cross_compile
1839
1840 if enabled cross_compile; then
1841 test -n "$arch" && test -n "$target_os" ||
1842 die "Must specify target arch and OS when cross-compiling"
1843 fi
1844
1845 set_default arch target_os
1846
1847 ar_default="${cross_prefix}${ar_default}"
1848 cc_default="${cross_prefix}${cc_default}"
1849 nm_default="${cross_prefix}${nm_default}"
1850 pkg_config_default="${cross_prefix}${pkg_config_default}"
1851 ranlib="${cross_prefix}${ranlib}"
1852
1853 sysinclude_default="${sysroot}/usr/include"
1854
1855 set_default cc nm pkg_config sysinclude
1856 enabled cross_compile || host_cc_default=$cc
1857 set_default host_cc
1858
1859 if ! $pkg_config --version >/dev/null 2>&1; then
1860 warn "$pkg_config not found, library detection may fail."
1861 pkg_config=false
1862 fi
1863
1864 exesuf() {
1865 case $1 in
1866 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1867 esac
1868 }
1869
1870 EXESUF=$(exesuf $target_os)
1871 HOSTEXESUF=$(exesuf $host_os)
1872
1873 # set temporary file name
1874 : ${TMPDIR:=$TEMPDIR}
1875 : ${TMPDIR:=$TMP}
1876 : ${TMPDIR:=/tmp}
1877
1878 if ! check_cmd mktemp -u XXXXXX; then
1879 # simple replacement for missing mktemp
1880 # NOT SAFE FOR GENERAL USE
1881 mktemp(){
1882 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1883 }
1884 fi
1885
1886 tmpfile(){
1887 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1888 (set -C; exec > $tmp) 2>/dev/null ||
1889 die "Unable to create temporary file in $TMPDIR."
1890 append TMPFILES $tmp
1891 eval $1=$tmp
1892 }
1893
1894 trap 'rm -f -- $TMPFILES' EXIT
1895
1896 tmpfile TMPC .c
1897 tmpfile TMPE $EXESUF
1898 tmpfile TMPH .h
1899 tmpfile TMPO .o
1900 tmpfile TMPS .S
1901 tmpfile TMPV .ver
1902 tmpfile TMPSH .sh
1903 tmpfile TMPASM .asm
1904
1905 unset -f mktemp
1906
1907 chmod +x $TMPE
1908
1909 # make sure we can execute files in $TMPDIR
1910 cat > $TMPSH 2>> $logfile <<EOF
1911 #! /bin/sh
1912 EOF
1913 chmod +x $TMPSH >> $logfile 2>&1
1914 if ! $TMPSH >> $logfile 2>&1; then
1915 cat <<EOF
1916 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1917 variable to another directory and make sure that it is not mounted noexec.
1918 EOF
1919 die "Sanity test failed."
1920 fi
1921
1922 filter_cflags=echo
1923 filter_cppflags=echo
1924 filter_asflags=echo
1925
1926 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1927 cc_type=llvm_gcc
1928 cc_version=__VERSION__
1929 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1930 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1931 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1932 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1933 speed_cflags='-O3'
1934 size_cflags='-Os'
1935 elif $cc -v 2>&1 | grep -qi ^gcc; then
1936 cc_type=gcc
1937 cc_version=__VERSION__
1938 gcc_version=$($cc --version | head -n1)
1939 gcc_basever=$($cc -dumpversion)
1940 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1941 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1942 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1943 if ! $cc -dumpversion | grep -q '^2\.'; then
1944 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1945 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1946 fi
1947 speed_cflags='-O3'
1948 size_cflags='-Os'
1949 elif $cc --version 2>/dev/null | grep -q Intel; then
1950 cc_type=icc
1951 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1952 cc_ident=$($cc --version | head -n1)
1953 icc_version=$($cc -dumpversion)
1954 CC_DEPFLAGS='-MMD'
1955 AS_DEPFLAGS='-MMD'
1956 speed_cflags='-O3'
1957 size_cflags='-Os'
1958 noopt_cflags='-O1'
1959 elif $cc -v 2>&1 | grep -q xlc; then
1960 cc_type=xlc
1961 cc_version="AV_STRINGIFY(__IBMC__)"
1962 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1963 speed_cflags='-O5'
1964 size_cflags='-O5 -qcompact'
1965 elif $cc -V 2>/dev/null | grep -q Compaq; then
1966 cc_type=ccc
1967 cc_version="AV_STRINGIFY(__DECC_VER)"
1968 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1969 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1970 debuglevel=3
1971 add_ldflags -Wl,-z,now # calls to libots crash without this
1972 speed_cflags='-fast'
1973 size_cflags='-O1'
1974 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1975 test -d "$sysroot" || die "No valid sysroot specified."
1976 cc_type=armcc
1977 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1978 cc_ident=$($cc --vsn | head -n1)
1979 armcc_conf="$PWD/armcc.conf"
1980 $cc --arm_linux_configure \
1981 --arm_linux_config_file="$armcc_conf" \
1982 --configure_sysroot="$sysroot" \
1983 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1984 die "Error creating armcc configuration file."
1985 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1986 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1987 as_default="${cross_prefix}gcc"
1988 CC_DEPFLAGS='-MMD'
1989 AS_DEPFLAGS='-MMD'
1990 speed_cflags='-O3'
1991 size_cflags='-Os'
1992 filter_asflags="filter_out -W${armcc_opt}*"
1993 elif $cc -version 2>/dev/null | grep -q TMS470; then
1994 cc_type=tms470
1995 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1996 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1997 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1998 CC_O='-fr=$(@D)'
1999 as_default="${cross_prefix}gcc"
2000 ld_default="${cross_prefix}gcc"
2001 TMPO=$(basename $TMPC .c).o
2002 append TMPFILES $TMPO
2003 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2004 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2005 AS_DEPFLAGS='-MMD'
2006 speed_cflags='-O3 -mf=5'
2007 size_cflags='-O3 -mf=2'
2008 filter_cflags=tms470_flags
2009 tms470_flags(){
2010 for flag; do
2011 case $flag in
2012 -march=*|-mcpu=*)
2013 case "${flag#*=}" in
2014 armv7-a|cortex-a*) echo -mv=7a8 ;;
2015 armv7-r|cortex-r*) echo -mv=7r4 ;;
2016 armv7-m|cortex-m*) echo -mv=7m3 ;;
2017 armv6*|arm11*) echo -mv=6 ;;
2018 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2019 echo -mv=5e ;;
2020 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2021 esac
2022 ;;
2023 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2024 -mfpu=vfp) echo --float_support=vfpv2 ;;
2025 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2026 -msoft-float) echo --float_support=vfplib ;;
2027 -O[0-3]|-mf=*) echo $flag ;;
2028 -g) echo -g -mn ;;
2029 -pds=*) echo $flag ;;
2030 esac
2031 done
2032 }
2033 elif $cc -v 2>&1 | grep -q clang; then
2034 cc_type=clang
2035 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2036 cc_version=__clang_version__ || cc_version=__VERSION__
2037 cc_ident=$($cc --version | head -n1)
2038 CC_DEPFLAGS='-MMD'
2039 AS_DEPFLAGS='-MMD'
2040 speed_cflags='-O3'
2041 size_cflags='-Os'
2042 elif $cc -V 2>&1 | grep -q Sun; then
2043 cc_type=suncc
2044 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2045 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2046 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2047 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2048 add_ldflags -xc99
2049 speed_cflags='-O5'
2050 size_cflags='-O5 -xspace'
2051 filter_cflags=suncc_flags
2052 suncc_flags(){
2053 for flag; do
2054 case $flag in
2055 -march=*|-mcpu=*)
2056 case "${flag#*=}" in
2057 native) echo -xtarget=native ;;
2058 v9|niagara) echo -xarch=sparc ;;
2059 ultrasparc) echo -xarch=sparcvis ;;
2060 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2061 i586|pentium) echo -xchip=pentium ;;
2062 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2063 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2064 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2065 pentium4*) echo -xtarget=pentium4 ;;
2066 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2067 *-sse3) echo -xarch=sse3 ;;
2068 core2) echo -xarch=ssse3 -xchip=core2 ;;
2069 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2070 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2071 k8|opteron|athlon64|athlon-fx)
2072 echo -xarch=sse2a ;;
2073 athlon*) echo -xarch=pentium_proa ;;
2074 esac
2075 ;;
2076 -std=c99) echo -xc99 ;;
2077 -fomit-frame-pointer) echo -xregs=frameptr ;;
2078 -fPIC) echo -KPIC -xcode=pic32 ;;
2079 -W*,*) echo $flag ;;
2080 -f*-*|-W*) ;;
2081 *) echo $flag ;;
2082 esac
2083 done
2084 }
2085 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2086 cc_type=pathscale
2087 cc_version=__PATHSCALE__
2088 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2089 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2090 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2091 speed_cflags='-O2'
2092 size_cflags='-Os'
2093 filter_cflags='filter_out -Wdisabled-optimization'
2094 elif $cc -v 2>&1 | grep -q Open64; then
2095 cc_type=open64
2096 cc_version=__OPEN64__
2097 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2098 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2099 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2100 speed_cflags='-O2'
2101 size_cflags='-Os'
2102 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2103 fi
2104
2105 test -n "$cc_type" && enable $cc_type ||
2106 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2107
2108 : ${as_default:=$cc}
2109 : ${dep_cc_default:=$cc}
2110 : ${ld_default:=$cc}
2111 set_default ar as dep_cc ld
2112
2113 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2114 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2115
2116 add_cflags $extra_cflags
2117 add_asflags $extra_cflags
2118
2119 if test -n "$sysroot"; then
2120 case "$cc_type" in
2121 gcc|llvm_gcc|clang)
2122 add_cppflags --sysroot="$sysroot"
2123 add_ldflags --sysroot="$sysroot"
2124 ;;
2125 tms470)
2126 add_cppflags -I"$sysinclude"
2127 add_ldflags --sysroot="$sysroot"
2128 ;;
2129 esac
2130 fi
2131
2132 if test "$cpu" = host; then
2133 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2134
2135 case "$cc_type" in
2136 gcc|llvm_gcc)
2137 check_native(){
2138 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2139 sed -n "/cc1.*$1=/{
2140 s/.*$1=\\([^ ]*\\).*/\\1/
2141 p
2142 q
2143 }" $TMPE
2144 }
2145 cpu=$(check_native -march || check_native -mcpu)
2146 ;;
2147 esac
2148
2149 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2150 fi
2151
2152 # Deal with common $arch aliases
2153 case "$arch" in
2154 arm*)
2155 arch="arm"
2156 ;;
2157 mips|mipsel|IP*)
2158 arch="mips"
2159 ;;
2160 mips64*)
2161 arch="mips"
2162 subarch="mips64"
2163 ;;
2164 parisc|hppa)
2165 arch="parisc"
2166 ;;
2167 parisc64|hppa64)
2168 arch="parisc"
2169 subarch="parisc64"
2170 ;;
2171 "Power Macintosh"|ppc|powerpc)
2172 arch="ppc"
2173 ;;
2174 ppc64|powerpc64)
2175 arch="ppc"
2176 subarch="ppc64"
2177 ;;
2178 s390|s390x)
2179 arch="s390"
2180 ;;
2181 sh4|sh)
2182 arch="sh4"
2183 ;;
2184 sun4u|sparc64)
2185 arch="sparc"
2186 subarch="sparc64"
2187 ;;
2188 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2189 arch="x86"
2190 ;;
2191 esac
2192
2193 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2194 enable $arch
2195
2196 # Add processor-specific flags
2197 if test "$cpu" = generic; then
2198 : do nothing
2199 elif enabled ppc; then
2200
2201 case $(tolower $cpu) in
2202 601|ppc601|powerpc601)
2203 cpuflags="-mcpu=601"
2204 disable altivec
2205 ;;
2206 603*|ppc603*|powerpc603*)
2207 cpuflags="-mcpu=603"
2208 disable altivec
2209 ;;
2210 604*|ppc604*|powerpc604*)
2211 cpuflags="-mcpu=604"
2212 disable altivec
2213 ;;
2214 g3|75*|ppc75*|powerpc75*)
2215 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2216 disable altivec
2217 ;;
2218 g4|745*|ppc745*|powerpc745*)
2219 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2220 ;;
2221 74*|ppc74*|powerpc74*)
2222 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2223 ;;
2224 g5|970|ppc970|powerpc970|power4*)
2225 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2226 ;;
2227 cell)
2228 cpuflags="-mcpu=cell"
2229 enable ldbrx
2230 ;;
2231 e500v2)
2232 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2233 disable altivec
2234 ;;
2235 e500)
2236 cpuflags="-mcpu=8540 -mhard-float"
2237 disable altivec
2238 ;;
2239 esac
2240
2241 elif enabled x86; then
2242
2243 case $cpu in
2244 i[345]86|pentium)
2245 cpuflags="-march=$cpu"
2246 disable mmx
2247 ;;
2248 # targets that do NOT support conditional mov (cmov)
2249 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2250 cpuflags="-march=$cpu"
2251 disable cmov
2252 ;;
2253 # targets that do support conditional mov (cmov)
2254 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2255 cpuflags="-march=$cpu"
2256 enable cmov
2257 enable fast_cmov
2258 ;;
2259 # targets that do support conditional mov but on which it's slow
2260 pentium4|pentium4m|prescott|nocona)
2261 cpuflags="-march=$cpu"
2262 enable cmov
2263 disable fast_cmov
2264 ;;
2265 esac
2266
2267 elif enabled sparc; then
2268
2269 case $cpu in
2270 niagara)
2271 cpuflags="-mcpu=$cpu"
2272 disable vis
2273 ;;
2274 sparc64)
2275 cpuflags="-mcpu=v9"
2276 ;;
2277 esac
2278
2279 elif enabled arm; then
2280
2281 case $cpu in
2282 armv*)
2283 cpuflags="-march=$cpu"
2284 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2285 ;;
2286 *)
2287 cpuflags="-mcpu=$cpu"
2288 case $cpu in
2289 cortex-a*) subarch=armv7a ;;
2290 cortex-r*) subarch=armv7r ;;
2291 cortex-m*) enable thumb; subarch=armv7m ;;
2292 arm11*) subarch=armv6 ;;
2293 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2294 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2295 esac
2296 ;;
2297 esac
2298
2299 elif enabled alpha; then
2300
2301 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2302
2303 elif enabled bfin; then
2304
2305 cpuflags="-mcpu=$cpu"
2306
2307 elif enabled mips; then
2308
2309 cpuflags="-march=$cpu"
2310
2311 elif enabled avr32; then
2312
2313 case $cpu in
2314 ap7[02]0[0-2])
2315 subarch="avr32_ap"
2316 cpuflags="-mpart=$cpu"
2317 ;;
2318 ap)
2319 subarch="avr32_ap"
2320 cpuflags="-march=$cpu"
2321 ;;
2322 uc3[ab]*)
2323 subarch="avr32_uc"
2324 cpuflags="-mcpu=$cpu"
2325 ;;
2326 uc)
2327 subarch="avr32_uc"
2328 cpuflags="-march=$cpu"
2329 ;;
2330 esac
2331
2332 fi
2333
2334 add_cflags $cpuflags
2335 add_asflags $cpuflags
2336
2337 # compiler sanity check
2338 check_exec <<EOF
2339 int main(void){ return 0; }
2340 EOF
2341 if test "$?" != 0; then
2342 echo "$cc is unable to create an executable file."
2343 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2344 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2345 echo "Only do this if you know what cross compiling means."
2346 fi
2347 die "C compiler test failed."
2348 fi
2349
2350 add_cppflags -D_ISOC99_SOURCE
2351 check_cflags -std=c99
2352 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2353 #include <stdlib.h>
2354 EOF
2355 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2356 #include <stdlib.h>
2357 EOF
2358
2359 check_host_cflags -std=c99
2360 check_host_cflags -Wall
2361
2362 case "$arch" in
2363 alpha|ia64|mips|parisc|sparc)
2364 spic=$shared
2365 ;;
2366 x86)
2367 subarch="x86_32"
2368 check_cc <<EOF && subarch="x86_64"
2369 int test[(int)sizeof(char*) - 7];
2370 EOF
2371 if test "$subarch" = "x86_64"; then
2372 spic=$shared
2373 fi
2374 ;;
2375 esac
2376
2377 enable $subarch
2378 enabled spic && enable pic
2379
2380 # OS specific
2381 case $target_os in
2382 haiku)
2383 prefix_default="/boot/common"
2384 network_extralibs="-lnetwork"
2385 host_libs=
2386 ;;
2387 sunos)
2388 AVSERVERLDFLAGS=""
2389 SHFLAGS='-shared -Wl,-h,$$(@F)'
2390 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2391 network_extralibs="-lsocket -lnsl"
2392 add_cppflags -D__EXTENSIONS__
2393 # When using suncc to build, the Solaris linker will mark
2394 # an executable with each instruction set encountered by
2395 # the Solaris assembler. As our libraries contain their own
2396 # guards for processor-specific code, instead suppress
2397 # generation of the HWCAPS ELF section on Solaris x86 only.
2398 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2399 nm_opts='-P -g'
2400 ;;
2401 netbsd)
2402 disable symver
2403 oss_indev_extralibs="-lossaudio"
2404 oss_outdev_extralibs="-lossaudio"
2405 ;;
2406 openbsd)
2407 enable malloc_aligned
2408 # On OpenBSD 4.5. the compiler does not use PIC unless
2409 # explicitly using -fPIC. Libav builds fine without PIC,
2410 # however the generated executable will not do anything
2411 # (simply quits with exit-code 1, no crash, no output).
2412 # Thus explicitly enable PIC here.
2413 enable pic
2414 disable symver
2415 SHFLAGS='-shared'
2416 oss_indev_extralibs="-lossaudio"
2417 oss_outdev_extralibs="-lossaudio"
2418 ;;
2419 dragonfly)
2420 enable malloc_aligned
2421 disable symver
2422 ;;
2423 freebsd)
2424 enable malloc_aligned
2425 ;;
2426 bsd/os)
2427 add_extralibs -lpoll -lgnugetopt
2428 ;;
2429 darwin)
2430 enable malloc_aligned
2431 gas="gas-preprocessor.pl $cc"
2432 enabled ppc && add_asflags -force_cpusubtype_ALL
2433 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2434 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2435 add_ldflags -Wl,-dynamic,-search_paths_first
2436 SLIBSUF=".dylib"
2437 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2438 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2439 AVSERVERLDFLAGS=-Wl,-bind_at_load
2440 objformat="macho"
2441 enabled x86_64 && objformat="macho64"
2442 enabled_any pic shared ||
2443 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2444 ;;
2445 mingw32*)
2446 if test $target_os = "mingw32ce"; then
2447 disable network
2448 else
2449 target_os=mingw32
2450 fi
2451 LIBTARGET=i386
2452 if enabled x86_64; then
2453 enable malloc_aligned
2454 LIBTARGET="i386:x86-64"
2455 elif enabled arm; then
2456 LIBTARGET=arm-wince
2457 fi
2458 shlibdir_default="$bindir_default"
2459 SLIBPREF=""
2460 SLIBSUF=".dll"
2461 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2462 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2463 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2464 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2465 SLIB_INSTALL_LINKS=
2466 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2467 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2468 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'
2469 objformat="win32"
2470 dlltool="${cross_prefix}dlltool"
2471 enable dos_paths
2472 check_cflags -fno-common
2473 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2474 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2475 die "ERROR: MinGW runtime version must be >= 3.15."
2476 add_cppflags -U__STRICT_ANSI__
2477 ;;
2478 cygwin*)
2479 target_os=cygwin
2480 shlibdir_default="$bindir_default"
2481 SLIBPREF="cyg"
2482 SLIBSUF=".dll"
2483 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2484 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2485 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2486 objformat="win32"
2487 enable dos_paths
2488 check_cflags -fno-common
2489 add_cppflags -U__STRICT_ANSI__
2490 ;;
2491 *-dos|freedos|opendos)
2492 network_extralibs="-lsocket"
2493 objformat="coff"
2494 enable dos_paths
2495 add_cppflags -U__STRICT_ANSI__
2496 ;;
2497 linux)
2498 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2499 enable dv1394
2500 ;;
2501 irix*)
2502 target_os=irix
2503 ranlib="echo ignoring ranlib"
2504 ;;
2505 os/2*)
2506 ln_s="cp -f"
2507 objformat="aout"
2508 add_cppflags -D_GNU_SOURCE
2509 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2510 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2511 AVSERVERLDFLAGS=""
2512 LIBSUF="_s.a"
2513 SLIBPREF=""
2514 SLIBSUF=".dll"
2515 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2516 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2517 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2518 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2519 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2520 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2521 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2522 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2523 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2524 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2525 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2526 enable dos_paths
2527 ;;
2528 gnu/kfreebsd)
2529 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2530 ;;
2531 gnu)
2532 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2533 ;;
2534 qnx)
2535 add_cppflags -D_QNX_SOURCE
2536 network_extralibs="-lsocket"
2537 ;;
2538 symbian)
2539 SLIBSUF=".dll"
2540 enable dos_paths
2541 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2542 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2543 add_ldflags -Wl,--target1-abs,--no-undefined \
2544 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2545 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2546 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2547 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2548 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2549 ;;
2550 none)
2551 ;;
2552 *)
2553 die "Unknown OS '$target_os'."
2554 ;;
2555 esac
2556
2557 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2558
2559 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2560
2561 set_default $PATHS_LIST
2562
2563 # we need to build at least one lib type
2564 if ! enabled_any static shared; then
2565 cat <<EOF
2566 At least one library type must be built.
2567 Specify --enable-static to build the static libraries or --enable-shared to
2568 build the shared libraries as well. To only build the shared libraries specify
2569 --disable-static in addition to --enable-shared.
2570 EOF
2571 exit 1;
2572 fi
2573
2574 die_license_disabled() {
2575 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2576 }
2577
2578 die_license_disabled gpl libcdio
2579 die_license_disabled gpl libx264
2580 die_license_disabled gpl libxavs
2581 die_license_disabled gpl libxvid
2582 die_license_disabled gpl x11grab
2583
2584 die_license_disabled nonfree libfaac
2585 die_license_disabled nonfree openssl
2586
2587 die_license_disabled version3 libopencore_amrnb
2588 die_license_disabled version3 libopencore_amrwb
2589 die_license_disabled version3 libvo_aacenc
2590 die_license_disabled version3 libvo_amrwbenc
2591
2592 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2593
2594 disabled optimizations || check_cflags -fomit-frame-pointer
2595
2596 enable_pic() {
2597 enable pic
2598 add_cppflags -DPIC
2599 add_cflags -fPIC
2600 add_asflags -fPIC
2601 }
2602
2603 enabled pic && enable_pic
2604
2605 check_cc <<EOF || die "Symbol mangling check failed."
2606 int ff_extern;
2607 EOF
2608 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2609 extern_prefix=${sym%%ff_extern*}
2610
2611 check_cc <<EOF && enable inline_asm
2612 void foo(void) { __asm__ volatile ("" ::); }
2613 EOF
2614
2615 _restrict=
2616 for restrict_keyword in restrict __restrict__ __restrict; do
2617 check_cc <<EOF && _restrict=$restrict_keyword && break
2618 void foo(char * $restrict_keyword p);
2619 EOF
2620 done
2621
2622 check_cc <<EOF && enable attribute_packed
2623 struct { int x; } __attribute__((packed)) x;
2624 EOF
2625
2626 check_cc <<EOF && enable attribute_may_alias
2627 union { int x; } __attribute__((may_alias)) x;
2628 EOF
2629
2630 check_cc <<EOF || die "endian test failed"
2631 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2632 EOF
2633 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2634
2635 if enabled alpha; then
2636
2637 check_cflags -mieee
2638
2639 elif enabled arm; then
2640
2641 enabled thumb && check_cflags -mthumb || check_cflags -marm
2642 nogas=die
2643
2644 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2645 enable vfp_args
2646 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2647 case "${cross_prefix:-$cc}" in
2648 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2649 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2650 __asm__ (".eabi_attribute 28, 1");
2651 int main(void) { return 0; }
2652 EOF
2653 esac
2654 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2655 fi
2656
2657 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2658 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2659 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2660 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2661 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2662 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2663 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2664
2665 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2666
2667 enabled_all armv6t2 shared !pic && enable_pic
2668
2669 elif enabled mips; then
2670
2671 check_asm loongson '"dmult.g $1, $2, $3"'
2672 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2673
2674 elif enabled ppc; then
2675
2676 enable local_aligned_8 local_aligned_16
2677
2678 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2679 check_asm ibm_asm '"add 0, 0, 0"'
2680 check_asm ppc4xx '"maclhw r10, r11, r12"'
2681 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2682
2683 # AltiVec flags: The FSF version of GCC differs from the Apple version
2684 if enabled altivec; then
2685 nogas=warn
2686 check_cflags -maltivec -mabi=altivec &&
2687 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2688 check_cflags -faltivec
2689
2690 # check if our compiler supports Motorola AltiVec C API
2691 check_cc <<EOF || disable altivec
2692 $inc_altivec_h
2693 int main(void) {
2694 vector signed int v1, v2, v3;
2695 v1 = vec_add(v2,v3);
2696 return 0;
2697 }
2698 EOF
2699
2700 # check if our compiler supports braces for vector declarations
2701 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2702 $inc_altivec_h
2703 int main (void) { (vector int) {1}; return 0; }
2704 EOF
2705 fi
2706
2707 elif enabled sparc; then
2708
2709 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2710 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2711
2712 elif enabled x86; then
2713
2714 enable local_aligned_8 local_aligned_16
2715
2716 # check whether EBP is available on x86
2717 # As 'i' is stored on the stack, this program will crash
2718 # if the base pointer is used to access it because the
2719 # base pointer is cleared in the inline assembly code.
2720 check_exec_crash <<EOF && enable ebp_available
2721 volatile int i=0;
2722 __asm__ volatile (
2723 "xorl %%ebp, %%ebp"
2724 ::: "%ebp");
2725 return i;
2726 EOF
2727
2728 # check whether EBX is available on x86
2729 check_asm ebx_available '""::"b"(0)' &&
2730 check_asm ebx_available '"":::"%ebx"'
2731
2732 # check whether xmm clobbers are supported
2733 check_asm xmm_clobbers '"":::"%xmm0"'
2734
2735 # check whether binutils is new enough to compile SSSE3/MMX2
2736 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2737 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2738
2739 check_asm bswap '"bswap %%eax" ::: "%eax"'
2740
2741 if ! disabled_any asm mmx yasm; then
2742 if check_cmd $yasmexe --version; then
2743 enabled x86_64 && yasm_extra="-m amd64"
2744 yasm_debug="-g dwarf2"
2745 elif check_cmd nasm -v; then
2746 yasmexe=nasm
2747 yasm_debug="-g -F dwarf"
2748 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2749 fi
2750
2751 YASMFLAGS="-f $objformat $yasm_extra"
2752 enabled pic && append YASMFLAGS "-DPIC"
2753 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2754 case "$objformat" in
2755 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2756 esac
2757
2758 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2759 die "yasm not found, use --disable-yasm for a crippled build"
2760 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2761 fi
2762
2763 case "$cpu" in
2764 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2765 disable fast_clz
2766 ;;
2767 esac
2768
2769 fi
2770
2771 if enabled asm; then
2772 as=${gas:=$as}
2773 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2774 $nogas "GNU assembler not found, install gas-preprocessor"
2775 fi
2776
2777 check_ldflags -Wl,--as-needed
2778
2779 if check_func dlopen; then
2780 ldl=
2781 elif check_func dlopen -ldl; then
2782 ldl=-ldl
2783 fi
2784
2785 if enabled network; then
2786 check_type "sys/types.h sys/socket.h" socklen_t
2787 check_type netdb.h "struct addrinfo"
2788 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2789 check_type netinet/in.h "struct sockaddr_in6"
2790 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2791 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2792 # Prefer arpa/inet.h over winsock2
2793 if check_header arpa/inet.h ; then
2794 check_func closesocket
2795 elif check_header winsock2.h ; then
2796 check_func_headers winsock2.h closesocket -lws2 && \
2797 network_extralibs="-lws2" || \
2798 { check_func_headers winsock2.h closesocket -lws2_32 && \
2799 network_extralibs="-lws2_32"; }
2800 check_type ws2tcpip.h socklen_t
2801 check_type ws2tcpip.h "struct addrinfo"
2802 check_type ws2tcpip.h "struct ipv6_mreq"
2803 check_type ws2tcpip.h "struct sockaddr_in6"
2804 check_type ws2tcpip.h "struct sockaddr_storage"
2805 check_struct winsock2.h "struct sockaddr" sa_len
2806 else
2807 disable network
2808 fi
2809 fi
2810
2811 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2812 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2813
2814 check_func fcntl
2815 check_func fork
2816 check_func getaddrinfo $network_extralibs
2817 check_func gethrtime
2818 check_func getrusage
2819 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2820 check_func inet_aton $network_extralibs
2821 check_func isatty
2822 check_func localtime_r
2823 check_func ${malloc_prefix}memalign && enable memalign
2824 check_func mkstemp
2825 check_func mmap
2826 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2827 check_func setrlimit
2828 check_func strerror_r
2829 check_func strptime
2830 check_func strtok_r
2831 check_func_headers io.h setmode
2832 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2833 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2834 check_func_headers windows.h GetProcessTimes
2835 check_func_headers windows.h MapViewOfFile
2836 check_func_headers windows.h VirtualAlloc
2837
2838 check_header dlfcn.h
2839 check_header dxva2api.h
2840 check_header malloc.h
2841 check_header poll.h
2842 check_header sys/mman.h
2843 check_header sys/resource.h
2844 check_header sys/select.h
2845 check_header vdpau/vdpau.h
2846 check_header vdpau/vdpau_x11.h
2847 check_header X11/extensions/XvMClib.h
2848
2849 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2850
2851 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2852 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2853
2854 if ! disabled w32threads && ! enabled pthreads; then
2855 check_func _beginthreadex && enable w32threads
2856 fi
2857
2858 # check for some common methods of building with pthread support
2859 # do this before the optional library checks as some of them require pthreads
2860 if ! disabled pthreads && ! enabled w32threads; then
2861 enable pthreads
2862 if check_func pthread_create; then
2863 :
2864 elif check_func pthread_create -pthread; then
2865 add_cflags -pthread
2866 add_extralibs -pthread
2867 elif check_func pthread_create -pthreads; then
2868 add_cflags -pthreads
2869 add_extralibs -pthreads
2870 elif check_func pthread_create -lpthreadGC2; then
2871 add_extralibs -lpthreadGC2
2872 elif ! check_lib pthread.h pthread_create -lpthread; then
2873 disable pthreads
2874 fi
2875 fi
2876
2877 for thread in $THREADS_LIST; do
2878 if enabled $thread; then
2879 test -n "$thread_type" &&
2880 die "ERROR: Only one thread type must be selected." ||
2881 thread_type="$thread"
2882 fi
2883 done
2884
2885 check_lib math.h sin -lm && LIBM="-lm"
2886 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2887
2888 check_mathfunc exp2
2889 check_mathfunc exp2f
2890 check_mathfunc llrint
2891 check_mathfunc llrintf
2892 check_mathfunc log2
2893 check_mathfunc log2f
2894 check_mathfunc lrint
2895 check_mathfunc lrintf
2896 check_mathfunc round
2897 check_mathfunc roundf
2898 check_mathfunc trunc
2899 check_mathfunc truncf
2900
2901 # these are off by default, so fail if requested and not available
2902 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2903 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2904 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2905 enabled libdirac && require_pkg_config dirac \
2906 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2907 "dirac_decoder_init dirac_encoder_init"
2908 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2909 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2910 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2911 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2912 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2913 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2914 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2915 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2916 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2917 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2918 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2919 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2920 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2921 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2922 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2923 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2924 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2925 enabled libvpx && {
2926 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2927 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2928 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2929 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2930 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2931 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2932 die "ERROR: libx264 version must be >= 0.118."; }
2933 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2934 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2935 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2936 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2937 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2938 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2939 die "ERROR: openssl not found"; }
2940
2941 # libdc1394 check
2942 if enabled libdc1394; then
2943 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2944 enable libdc1394_2; } ||
2945 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2946 enable libdc1394_1; } ||
2947 die "ERROR: No version of libdc1394 found "
2948 fi
2949
2950 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2951 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2952 enable sdl &&
2953 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2954 fi
2955
2956 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2957
2958 check_header linux/fb.h
2959 check_header linux/videodev.h
2960 check_header linux/videodev2.h
2961 check_header sys/videoio.h
2962
2963 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2964 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2965 # w32api 3.12 had it defined wrong
2966 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2967
2968 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2969 { check_header dev/bktr/ioctl_meteor.h &&
2970 check_header dev/bktr/ioctl_bt848.h; } ||
2971 { check_header machine/ioctl_meteor.h &&
2972 check_header machine/ioctl_bt848.h; } ||
2973 { check_header dev/video/meteor/ioctl_meteor.h &&
2974 check_header dev/video/bktr/ioctl_bt848.h; } ||
2975 check_header dev/ic/bt8xx.h
2976
2977 check_header sndio.h
2978 check_header sys/soundcard.h
2979 check_header soundcard.h
2980
2981 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2982
2983 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2984
2985 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2986
2987 enabled libcdio &&
2988 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2989
2990 enabled x11grab &&
2991 check_header X11/Xlib.h &&
2992 check_header X11/extensions/XShm.h &&
2993 check_header X11/extensions/Xfixes.h &&
2994 check_func XOpenDisplay -lX11 &&
2995 check_func XShmCreateImage -lX11 -lXext &&
2996 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2997
2998 # check for VDA header
2999 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3000 enable vda && add_ldflags -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3001 fi
3002
3003 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3004 check_cpp_condition \
3005 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3006 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3007 disable vdpau; }
3008 fi
3009
3010 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3011
3012 # add some useful compiler flags if supported
3013 check_cflags -Wdeclaration-after-statement
3014 check_cflags -Wall
3015 check_cflags -Wno-parentheses
3016 check_cflags -Wno-switch
3017 check_cflags -Wno-format-zero-length
3018 check_cflags -Wdisabled-optimization
3019 check_cflags -Wpointer-arith
3020 check_cflags -Wredundant-decls
3021 check_cflags -Wno-pointer-sign
3022 check_cflags -Wcast-qual
3023 check_cflags -Wwrite-strings
3024 check_cflags -Wtype-limits
3025 check_cflags -Wundef
3026 check_cflags -Wmissing-prototypes
3027 check_cflags -Wstrict-prototypes
3028 enabled extra_warnings && check_cflags -Winline
3029
3030 # add some linker flags
3031 check_ldflags -Wl,--warn-common
3032 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3033 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3034
3035 echo "X{};" > $TMPV
3036 if test_ldflags -Wl,--version-script,$TMPV; then
3037 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3038 check_cc <<EOF && enable symver_asm_label
3039 void ff_foo(void) __asm__ ("av_foo@VERSION");
3040 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3041 EOF
3042 check_cc <<EOF && enable symver_gnu_asm
3043 __asm__(".symver ff_foo,av_foo@VERSION");
3044 void ff_foo(void) {}
3045 EOF
3046 fi
3047
3048 if [ -n "$optflags" ]; then
3049 add_cflags $optflags
3050 elif enabled small; then
3051 add_cflags $size_cflags
3052 elif enabled optimizations; then
3053 add_cflags $speed_cflags
3054 else
3055 add_cflags $noopt_cflags
3056 fi
3057 check_cflags -fno-math-errno
3058 check_cflags -fno-signed-zeros
3059
3060 if enabled icc; then
3061 # Just warnings, no remarks
3062 check_cflags -w1
3063 # -wd: Disable following warnings
3064 # 144, 167, 556: -Wno-pointer-sign
3065 # 1292: attribute "foo" ignored
3066 # 10006: ignoring unknown option -fno-signed-zeros
3067 # 10148: ignoring unknown option -Wno-parentheses
3068 # 10156: ignoring option '-W'; no argument required
3069 check_cflags -wd144,167,556,1292,10006,10148,10156
3070 # 11030: Warning unknown option --as-needed
3071 # 10156: ignoring option '-export'; no argument required
3072 check_ldflags -wd10156,11030
3073 # Allow to compile with optimizations
3074 check_ldflags -march=$cpu
3075 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3076 enable ebp_available
3077 if enabled x86_32; then
3078 test ${icc_version%%.*} -ge 11 && \
3079 check_cflags -falign-stack=maintain-16-byte || \
3080 disable aligned_stack
3081 fi
3082 elif enabled ccc; then
3083 # disable some annoying warnings
3084 add_cflags -msg_disable cvtu32to64
3085 add_cflags -msg_disable embedcomment
3086 add_cflags -msg_disable needconstext
3087 add_cflags -msg_disable nomainieee
3088 add_cflags -msg_disable ptrmismatch1
3089 add_cflags -msg_disable unreachcode
3090 elif enabled gcc; then
3091 check_cflags -fno-tree-vectorize
3092 check_cflags -Werror=implicit-function-declaration
3093 check_cflags -Werror=missing-prototypes
3094 elif enabled llvm_gcc; then
3095 check_cflags -mllvm -stack-alignment=16
3096 elif enabled clang; then
3097 check_cflags -mllvm -stack-alignment=16
3098 check_cflags -Qunused-arguments
3099 elif enabled armcc; then
3100 # 2523: use of inline assembler is deprecated
3101 add_cflags -W${armcc_opt},--diag_suppress=2523
3102 add_cflags -W${armcc_opt},--diag_suppress=1207
3103 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3104 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3105 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3106 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3107 elif enabled tms470; then
3108 add_cflags -pds=824 -pds=837
3109 elif enabled pathscale; then
3110 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3111 fi
3112
3113 enabled_any $THREADS_LIST && enable threads
3114
3115 check_deps $CONFIG_LIST \
3116 $CONFIG_EXTRA \
3117 $HAVE_LIST \
3118 $DECODER_LIST \
3119 $ENCODER_LIST \
3120 $HWACCEL_LIST \
3121 $PARSER_LIST \
3122 $BSF_LIST \
3123 $DEMUXER_LIST \
3124 $MUXER_LIST \
3125 $FILTER_LIST \
3126 $INDEV_LIST \
3127 $OUTDEV_LIST \
3128 $PROTOCOL_LIST \
3129 $ACODEC_TESTS \
3130 $VCODEC_TESTS \
3131 $LAVF_TESTS \
3132 $LAVFI_TESTS \
3133 $SEEK_TESTS \
3134
3135 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3136
3137 ! enabled_any memalign posix_memalign malloc_aligned &&
3138 enabled_any $need_memalign && enable memalign_hack
3139
3140 echo "install prefix $prefix"
3141 echo "source path $source_path"
3142 echo "C compiler $cc"
3143 echo "ARCH $arch ($cpu)"
3144 if test "$build_suffix" != ""; then
3145 echo "build suffix $build_suffix"
3146 fi
3147 if test "$extra_version" != ""; then
3148 echo "version string suffix $extra_version"
3149 fi
3150 echo "big-endian ${bigendian-no}"
3151 echo "runtime cpu detection ${runtime_cpudetect-no}"
3152 if enabled x86; then
3153 echo "${yasmexe} ${yasm-no}"
3154 echo "MMX enabled ${mmx-no}"
3155 echo "MMX2 enabled ${mmx2-no}"
3156 echo "3DNow! enabled ${amd3dnow-no}"
3157 echo "3DNow! extended enabled ${amd3dnowext-no}"
3158 echo "SSE enabled ${sse-no}"
3159 echo "SSSE3 enabled ${ssse3-no}"
3160 echo "AVX enabled ${avx-no}"
3161 echo "CMOV enabled ${cmov-no}"
3162 echo "CMOV is fast ${fast_cmov-no}"
3163 echo "EBX available ${ebx_available-no}"
3164 echo "EBP available ${ebp_available-no}"
3165 fi
3166 if enabled arm; then
3167 echo "ARMv5TE enabled ${armv5te-no}"
3168 echo "ARMv6 enabled ${armv6-no}"
3169 echo "ARMv6T2 enabled ${armv6t2-no}"
3170 echo "ARM VFP enabled ${armvfp-no}"
3171 echo "IWMMXT enabled ${iwmmxt-no}"
3172 echo "NEON enabled ${neon-no}"
3173 fi
3174 if enabled mips; then
3175 echo "MMI enabled ${mmi-no}"
3176 fi
3177 if enabled ppc; then
3178 echo "AltiVec enabled ${altivec-no}"
3179 echo "PPC 4xx optimizations ${ppc4xx-no}"
3180 echo "dcbzl available ${dcbzl-no}"
3181 fi
3182 if enabled sparc; then
3183 echo "VIS enabled ${vis-no}"
3184 fi
3185 echo "debug symbols ${debug-no}"
3186 echo "optimize for size ${small-no}"
3187 echo "optimizations ${optimizations-no}"
3188 echo "static ${static-no}"
3189 echo "shared ${shared-no}"
3190 echo "postprocessing support ${postproc-no}"
3191 echo "new filter support ${avfilter-no}"
3192 echo "network support ${network-no}"
3193 echo "threading support ${thread_type-no}"
3194 echo "SDL support ${sdl-no}"
3195 echo "Sun medialib support ${mlib-no}"
3196 echo "libdxva2 enabled ${dxva2-no}"
3197 echo "libva enabled ${vaapi-no}"
3198 echo "libvdpau enabled ${vdpau-no}"
3199 echo "AVISynth enabled ${avisynth-no}"
3200 echo "frei0r enabled ${frei0r-no}"
3201 echo "gnutls enabled ${gnutls-no}"
3202 echo "libcdio support ${libcdio-no}"
3203 echo "libdc1394 support ${libdc1394-no}"
3204 echo "libdirac enabled ${libdirac-no}"
3205 echo "libfaac enabled ${libfaac-no}"
3206 echo "libgsm enabled ${libgsm-no}"
3207 echo "libmp3lame enabled ${libmp3lame-no}"
3208 echo "libnut enabled ${libnut-no}"
3209 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3210 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3211 echo "libopencv support ${libopencv-no}"
3212 echo "libopenjpeg enabled ${libopenjpeg-no}"
3213 echo "libpulse enabled ${libpulse-no}"
3214 echo "librtmp enabled ${librtmp-no}"
3215 echo "libschroedinger enabled ${libschroedinger-no}"
3216 echo "libspeex enabled ${libspeex-no}"
3217 echo "libtheora enabled ${libtheora-no}"
3218 echo "libvo-aacenc support ${libvo_aacenc-no}"
3219 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3220 echo "libvorbis enabled ${libvorbis-no}"
3221 echo "libvpx enabled ${libvpx-no}"
3222 echo "libx264 enabled ${libx264-no}"
3223 echo "libxavs enabled ${libxavs-no}"
3224 echo "libxvid enabled ${libxvid-no}"
3225 echo "openssl enabled ${openssl-no}"
3226 echo "zlib enabled ${zlib-no}"
3227 echo "bzlib enabled ${bzlib-no}"
3228 echo
3229
3230 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3231 echo "Enabled ${type}s:"
3232 eval list=\$$(toupper $type)_LIST
3233 print_enabled '_*' $list | sort | pr -r -3 -t
3234 echo
3235 done
3236
3237 license="LGPL version 2.1 or later"
3238 if enabled nonfree; then
3239 license="nonfree and unredistributable"
3240 elif enabled gplv3; then
3241 license="GPL version 3 or later"
3242 elif enabled lgplv3; then
3243 license="LGPL version 3 or later"
3244 elif enabled gpl; then
3245 license="GPL version 2 or later"
3246 fi
3247
3248 echo "License: $license"
3249
3250 echo "Creating config.mak and config.h..."
3251
3252 test -e Makefile || $ln_s "$source_path/Makefile" .
3253
3254 config_files="$TMPH config.mak"
3255
3256 cat > config.mak <<EOF
3257 # Automatically generated by configure - do not modify!
3258 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3259 prefix=$prefix
3260 LIBDIR=\$(DESTDIR)$libdir
3261 SHLIBDIR=\$(DESTDIR)$shlibdir
3262 INCDIR=\$(DESTDIR)$incdir
3263 BINDIR=\$(DESTDIR)$bindir
3264 DATADIR=\$(DESTDIR)$datadir
3265 MANDIR=\$(DESTDIR)$mandir
3266 SRC_PATH=$source_path
3267 CC_IDENT=$cc_ident
3268 ARCH=$arch
3269 CC=$cc
3270 AS=$as
3271 LD=$ld
3272 DEPCC=$dep_cc
3273 YASM=$yasmexe
3274 YASMDEP=$yasmexe
3275 AR=$ar
3276 RANLIB=$ranlib
3277 LN_S=$ln_s
3278 CPPFLAGS=$CPPFLAGS
3279 CFLAGS=$CFLAGS
3280 ASFLAGS=$ASFLAGS
3281 AS_O=$CC_O
3282 CC_O=$CC_O
3283 DLLTOOL=$dlltool
3284 LDFLAGS=$LDFLAGS
3285 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3286 SHFLAGS=$SHFLAGS
3287 YASMFLAGS=$YASMFLAGS
3288 BUILDSUF=$build_suffix
3289 FULLNAME=$FULLNAME
3290 LIBPREF=$LIBPREF
3291 LIBSUF=$LIBSUF
3292 LIBNAME=$LIBNAME
3293 SLIBPREF=$SLIBPREF
3294 SLIBSUF=$SLIBSUF
3295 EXESUF=$EXESUF
3296 EXTRA_VERSION=$extra_version
3297 DEPFLAGS=$DEPFLAGS
3298 CCDEP=$CCDEP
3299 ASDEP=$ASDEP
3300 CC_DEPFLAGS=$CC_DEPFLAGS
3301 AS_DEPFLAGS=$AS_DEPFLAGS
3302 HOSTCC=$host_cc
3303 HOSTCFLAGS=$host_cflags
3304 HOSTEXESUF=$HOSTEXESUF
3305 HOSTLDFLAGS=$host_ldflags
3306 HOSTLIBS=$host_libs
3307 TARGET_EXEC=$target_exec
3308 TARGET_PATH=$target_path
3309 SDL_LIBS=$sdl_libs
3310 SDL_CFLAGS=$sdl_cflags
3311 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3312 EXTRALIBS=$extralibs
3313 INSTALL=install
3314 LIBTARGET=${LIBTARGET}
3315 SLIBNAME=${SLIBNAME}
3316 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3317 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3318 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3319 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3320 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3321 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3322 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3323 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3324 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3325 EOF
3326
3327 get_version(){
3328 name=$1
3329 file=$source_path/$2
3330 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3331 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3332 lcname=$(tolower $name)
3333 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3334 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3335 }
3336
3337 get_version LIBSWSCALE libswscale/swscale.h
3338 get_version LIBPOSTPROC libpostproc/postprocess.h
3339 get_version LIBAVCODEC libavcodec/version.h
3340 get_version LIBAVDEVICE libavdevice/avdevice.h
3341 get_version LIBAVFORMAT libavformat/version.h
3342 get_version LIBAVUTIL libavutil/avutil.h
3343 get_version LIBAVFILTER libavfilter/avfilter.h
3344
3345 cat > $TMPH <<EOF
3346 /* Automatically generated by configure - do not modify! */
3347 #ifndef LIBAV_CONFIG_H
3348 #define LIBAV_CONFIG_H
3349 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3350 #define LIBAV_LICENSE "$(c_escape $license)"
3351 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3352 #define CC_TYPE "$cc_type"
3353 #define CC_VERSION $cc_version
3354 #define restrict $_restrict
3355 #define EXTERN_PREFIX "${extern_prefix}"
3356 #define EXTERN_ASM ${extern_prefix}
3357 #define SLIBSUF "$SLIBSUF"
3358 EOF
3359
3360 test -n "$malloc_prefix" &&
3361 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3362
3363 if enabled small || disabled optimizations; then
3364 echo "#undef av_always_inline" >> $TMPH
3365 if enabled small; then
3366 echo "#define av_always_inline inline" >> $TMPH
3367 else
3368 echo "#define av_always_inline av_unused" >> $TMPH
3369 fi
3370 fi
3371
3372 if enabled yasm; then
3373 append config_files $TMPASM
3374 printf '' >$TMPASM
3375 fi
3376
3377 print_config ARCH_ "$config_files" $ARCH_LIST
3378 print_config HAVE_ "$config_files" $HAVE_LIST
3379 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3380 $CONFIG_EXTRA \
3381 $DECODER_LIST \
3382 $ENCODER_LIST \
3383 $HWACCEL_LIST \
3384 $PARSER_LIST \
3385 $BSF_LIST \
3386 $DEMUXER_LIST \
3387 $MUXER_LIST \
3388 $FILTER_LIST \
3389 $PROTOCOL_LIST \
3390 $INDEV_LIST \
3391 $OUTDEV_LIST \
3392
3393 cat >>config.mak <<EOF
3394 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3395 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3396 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3397 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3398 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3399 EOF
3400
3401 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3402
3403 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3404 cp_if_changed $TMPH config.h
3405 touch .config
3406
3407 enabled yasm && cp_if_changed $TMPASM config.asm
3408
3409 cat > $TMPH <<EOF
3410 /* Generated by ffconf */
3411 #ifndef AVUTIL_AVCONFIG_H
3412 #define AVUTIL_AVCONFIG_H
3413 EOF
3414
3415 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3416
3417 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3418
3419 cp_if_changed $TMPH libavutil/avconfig.h
3420
3421 test -n "$WARNINGS" && printf "\n$WARNINGS"
3422
3423 # build pkg-config files
3424
3425 pkgconfig_generate(){
3426 name=$1
3427 shortname=${name#lib}${build_suffix}
3428 comment=$2
3429 version=$3
3430 libs=$4
3431 requires=$5
3432 enabled ${name#lib} || return 0
3433 mkdir -p $name
3434 cat <<EOF > $name/$name.pc
3435 prefix=$prefix
3436 exec_prefix=\${prefix}
3437 libdir=$libdir
3438 includedir=$incdir
3439
3440 Name: $name
3441 Description: $comment
3442 Version: $version
3443 Requires: $(enabled shared || echo $requires)
3444 Requires.private: $(enabled shared && echo $requires)
3445 Conflicts:
3446 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3447 Libs.private: $(enabled shared && echo $libs)
3448 Cflags: -I\${includedir}
3449 EOF
3450 cat <<EOF > $name/$name-uninstalled.pc
3451 prefix=
3452 exec_prefix=
3453 libdir=\${pcfiledir}
3454 includedir=${source_path}
3455
3456 Name: $name
3457 Description: $comment
3458 Version: $version
3459 Requires: $requires
3460 Conflicts:
3461 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3462 Cflags: -I\${includedir}
3463 EOF
3464 }
3465
3466 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3467 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3468 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3469 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3470 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3471 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3472 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"