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