Add libavresample
[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 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
123 --enable-vaapi enable VAAPI code
124 --enable-vda enable VDA code
125 --enable-vdpau enable VDPAU code
126
127 Individual component options:
128 --disable-everything disable all components listed below
129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
153 --enable-indev=NAME enable input device NAME
154 --disable-indev=NAME disable input device NAME
155 --disable-indevs disable input devices
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libfaac enable FAAC support via libfaac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM support via libgsm [no]
178 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
179 --enable-libnut enable NUT (de)muxing via libnut,
180 native (de)muxer exists [no]
181 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
182 --enable-libpulse enable Pulseaudio input via libpulse [no]
183 --enable-librtmp enable RTMP[E] support via librtmp [no]
184 --enable-libschroedinger enable Dirac support via libschroedinger [no]
185 --enable-libspeex enable Speex support via libspeex [no]
186 --enable-libtheora enable Theora encoding via libtheora [no]
187 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
188 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
189 --enable-libvorbis enable Vorbis encoding via libvorbis,
190 native implementation exists [no]
191 --enable-libvpx enable VP8 support via libvpx [no]
192 --enable-libx264 enable H.264 encoding via x264 [no]
193 --enable-libxavs enable AVS encoding via xavs [no]
194 --enable-libxvid enable Xvid encoding via xvidcore,
195 native MPEG-4/Xvid encoder exists [no]
196 --enable-openssl enable openssl [no]
197 --enable-zlib enable zlib [autodetect]
198
199 Advanced options (experts only):
200 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
201 --enable-cross-compile assume a cross-compiler is used
202 --sysroot=PATH root of cross-build tree
203 --sysinclude=PATH location of cross-build system headers
204 --target-os=OS compiler targets OS [$target_os]
205 --target-exec=CMD command to run executables on target
206 --target-path=DIR path to view of build directory on target
207 --nm=NM use nm tool
208 --ar=AR use archive tool AR [$ar_default]
209 --as=AS use assembler AS [$as_default]
210 --cc=CC use C compiler CC [$cc_default]
211 --ld=LD use linker LD
212 --host-cc=HOSTCC use host C compiler HOSTCC
213 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
214 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
215 --host-libs=HLIBS use libs HLIBS when linking for host
216 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
217 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
218 --extra-libs=ELIBS add ELIBS [$ELIBS]
219 --extra-version=STRING version string suffix []
220 --optflags override optimization-related compiler flags
221 --build-suffix=SUFFIX library name suffix []
222 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --enable-pic build position-independent code
227 --enable-sram allow use of on-chip SRAM
228 --disable-symver disable symbol versioning
229 --disable-fastdiv disable table-based division
230 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
231 --disable-safe-bitstream-reader
232 disable buffer boundary checking in bitreaders
233 (faster, but may crash)
234 --enable-memalign-hack emulate memalign, interferes with memory debuggers
235
236 Optimization options (experts only):
237 --disable-asm disable all assembler optimizations
238 --disable-altivec disable AltiVec optimizations
239 --disable-amd3dnow disable 3DNow! optimizations
240 --disable-amd3dnowext disable 3DNow! extended optimizations
241 --disable-mmx disable MMX optimizations
242 --disable-mmx2 disable MMX2 optimizations
243 --disable-sse disable SSE optimizations
244 --disable-ssse3 disable SSSE3 optimizations
245 --disable-avx disable AVX optimizations
246 --disable-armv5te disable armv5te optimizations
247 --disable-armv6 disable armv6 optimizations
248 --disable-armv6t2 disable armv6t2 optimizations
249 --disable-armvfp disable ARM VFP optimizations
250 --disable-mmi disable MMI optimizations
251 --disable-neon disable NEON optimizations
252 --disable-vis disable VIS optimizations
253 --disable-yasm disable use of yasm assembler
254
255 Developer options (useful when working on Libav itself):
256 --disable-debug disable debugging symbols
257 --enable-debug=LEVEL set the debug level [$debuglevel]
258 --disable-optimizations disable compiler optimizations
259 --enable-extra-warnings enable more compiler warnings
260 --samples=PATH location of test samples for FATE, if not set use
261 \$FATE_SAMPLES at make invocation time.
262 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
263 should be used only for debugging purposes)
264
265 NOTE: Object files are built at the place where configure is launched.
266 EOF
267 exit 0
268 }
269
270 quotes='""'
271
272 log(){
273 echo "$@" >> $logfile
274 }
275
276 log_file(){
277 log BEGIN $1
278 pr -n -t $1 >> $logfile
279 log END $1
280 }
281
282 echolog(){
283 log "$@"
284 echo "$@"
285 }
286
287 warn(){
288 log "WARNING: $*"
289 WARNINGS="${WARNINGS}WARNING: $*\n"
290 }
291
292 die(){
293 echolog "$@"
294 cat <<EOF
295
296 If you think configure made a mistake, make sure you are using the latest
297 version from Git. If the latest version fails, report the problem to the
298 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
299 EOF
300 if disabled logging; then
301 cat <<EOF
302 Rerun configure with logging enabled (do not use --disable-logging), and
303 include the log this produces with your report.
304 EOF
305 else
306 cat <<EOF
307 Include the log file "$logfile" produced by configure as this will help
308 solving the problem.
309 EOF
310 fi
311 exit 1
312 }
313
314 # Avoid locale weirdness, besides we really just want to translate ASCII.
315 toupper(){
316 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
317 }
318
319 tolower(){
320 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
321 }
322
323 c_escape(){
324 echo "$*" | sed 's/["\\]/\\\0/g'
325 }
326
327 sh_quote(){
328 v=$(echo "$1" | sed "s/'/'\\\\''/g")
329 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
330 echo "$v"
331 }
332
333 cleanws(){
334 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
335 }
336
337 filter(){
338 pat=$1
339 shift
340 for v; do
341 eval "case $v in $pat) echo $v ;; esac"
342 done
343 }
344
345 filter_out(){
346 pat=$1
347 shift
348 for v; do
349 eval "case $v in $pat) ;; *) echo $v ;; esac"
350 done
351 }
352
353 map(){
354 m=$1
355 shift
356 for v; do eval $m; done
357 }
358
359 set_all(){
360 value=$1
361 shift
362 for var in $*; do
363 eval $var=$value
364 done
365 }
366
367 set_weak(){
368 value=$1
369 shift
370 for var; do
371 eval : \${$var:=$value}
372 done
373 }
374
375 set_safe(){
376 var=$1
377 shift
378 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
379 }
380
381 get_safe(){
382 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
383 }
384
385 pushvar(){
386 for var in $*; do
387 eval level=\${${var}_level:=0}
388 eval ${var}_${level}="\$$var"
389 eval ${var}_level=$(($level+1))
390 done
391 }
392
393 popvar(){
394 for var in $*; do
395 eval level=\${${var}_level:-0}
396 test $level = 0 && continue
397 eval level=$(($level-1))
398 eval $var="\${${var}_${level}}"
399 eval ${var}_level=$level
400 eval unset ${var}_${level}
401 done
402 }
403
404 enable(){
405 set_all yes $*
406 }
407
408 disable(){
409 set_all no $*
410 }
411
412 enable_weak(){
413 set_weak yes $*
414 }
415
416 disable_weak(){
417 set_weak no $*
418 }
419
420 enable_safe(){
421 for var; do
422 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 disable_safe(){
427 for var; do
428 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429 done
430 }
431
432 do_enable_deep(){
433 for var; do
434 enabled $var && continue
435 eval sel="\$${var}_select"
436 eval sgs="\$${var}_suggest"
437 pushvar var sgs
438 enable_deep $sel
439 popvar sgs
440 enable_deep_weak $sgs
441 popvar var
442 done
443 }
444
445 enable_deep(){
446 do_enable_deep $*
447 enable $*
448 }
449
450 enable_deep_weak(){
451 do_enable_deep $*
452 enable_weak $*
453 }
454
455 enabled(){
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xyes"
458 }
459
460 disabled(){
461 test "${1#!}" = "$1" && op== || op=!=
462 eval test "x\$${1#!}" $op "xno"
463 }
464
465 enabled_all(){
466 for opt; do
467 enabled $opt || return 1
468 done
469 }
470
471 disabled_all(){
472 for opt; do
473 disabled $opt || return 1
474 done
475 }
476
477 enabled_any(){
478 for opt; do
479 enabled $opt && return 0
480 done
481 }
482
483 disabled_any(){
484 for opt; do
485 disabled $opt && return 0
486 done
487 return 1
488 }
489
490 set_default(){
491 for opt; do
492 eval : \${$opt:=\$${opt}_default}
493 done
494 }
495
496 is_in(){
497 value=$1
498 shift
499 for var in $*; do
500 [ $var = $value ] && return 0
501 done
502 return 1
503 }
504
505 check_deps(){
506 for cfg; do
507 cfg="${cfg#!}"
508 enabled ${cfg}_checking && die "Circular dependency for $cfg."
509 disabled ${cfg}_checking && continue
510 enable ${cfg}_checking
511
512 eval dep_all="\$${cfg}_deps"
513 eval dep_any="\$${cfg}_deps_any"
514 eval dep_sel="\$${cfg}_select"
515 eval dep_sgs="\$${cfg}_suggest"
516 eval dep_ifa="\$${cfg}_if"
517 eval dep_ifn="\$${cfg}_if_any"
518
519 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
521 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
522
523 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
524 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
525 enabled_all $dep_all || disable $cfg
526 enabled_any $dep_any || disable $cfg
527 disabled_any $dep_sel && disable $cfg
528
529 if enabled $cfg; then
530 eval dep_extralibs="\$${cfg}_extralibs"
531 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
532 enable_deep $dep_sel
533 enable_deep_weak $dep_sgs
534 fi
535
536 disable ${cfg}_checking
537 done
538 }
539
540 print_config_h(){
541 enabled $1 && v=1 || v=0
542 echo "#define $2 $v"
543 }
544
545 print_config_mak(){
546 enabled $1 && v= || v=!
547 echo "$v$2=yes"
548 }
549
550 print_config_asm(){
551 enabled $1 && v=1 || v=0
552 echo "%define $2 $v"
553 }
554
555 print_config(){
556 pfx=$1
557 files=$2
558 shift 2
559 for cfg; do
560 ucname="$(toupper $cfg)"
561 for f in $files; do
562 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
563 done
564 done
565 }
566
567 print_enabled(){
568 test "$1" = -n && end=" " && shift || end="\n"
569 suf=$1
570 shift
571 for v; do
572 enabled $v && printf "%s$end" ${v%$suf};
573 done
574 }
575
576 append(){
577 var=$1
578 shift
579 eval "$var=\"\$$var $*\""
580 }
581
582 prepend(){
583 var=$1
584 shift
585 eval "$var=\"$* \$$var\""
586 }
587
588 add_cppflags(){
589 append CPPFLAGS $($filter_cppflags "$@")
590 }
591
592 add_cflags(){
593 append CFLAGS $($filter_cflags "$@")
594 }
595
596 add_asflags(){
597 append ASFLAGS $($filter_asflags "$@")
598 }
599
600 add_ldflags(){
601 append LDFLAGS "$@"
602 }
603
604 add_extralibs(){
605 prepend extralibs "$@"
606 }
607
608 check_cmd(){
609 log "$@"
610 "$@" >> $logfile 2>&1
611 }
612
613 check_cc(){
614 log check_cc "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
618 }
619
620 check_cpp(){
621 log check_cpp "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
625 }
626
627 check_as(){
628 log check_as "$@"
629 cat > $TMPC
630 log_file $TMPC
631 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
632 }
633
634 check_asm(){
635 log check_asm "$@"
636 name="$1"
637 code="$2"
638 shift 2
639 disable $name
640 check_as "$@" <<EOF && enable $name
641 void foo(void){ __asm__ volatile($code); }
642 EOF
643 }
644
645 check_yasm(){
646 log check_yasm "$@"
647 echo "$1" > $TMPS
648 log_file $TMPS
649 shift 1
650 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
651 }
652
653 check_ld(){
654 log check_ld "$@"
655 flags=''
656 libs=''
657 for f; do
658 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
659 done
660 check_cc $($filter_cflags $flags) || return
661 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
662 }
663
664 check_cppflags(){
665 log check_cppflags "$@"
666 set -- $($filter_cppflags "$@")
667 check_cc "$@" <<EOF && append CPPFLAGS "$@"
668 int x;
669 EOF
670 }
671
672 check_cflags(){
673 log check_cflags "$@"
674 set -- $($filter_cflags "$@")
675 check_cc "$@" <<EOF && append CFLAGS "$@"
676 int x;
677 EOF
678 }
679
680 test_ldflags(){
681 log test_ldflags "$@"
682 check_ld "$@" <<EOF
683 int main(void){ return 0; }
684 EOF
685 }
686
687 check_ldflags(){
688 log check_ldflags "$@"
689 test_ldflags "$@" && add_ldflags "$@"
690 }
691
692 check_header(){
693 log check_header "$@"
694 header=$1
695 shift
696 disable_safe $header
697 check_cpp "$@" <<EOF && enable_safe $header
698 #include <$header>
699 int x;
700 EOF
701 }
702
703 check_func(){
704 log check_func "$@"
705 func=$1
706 shift
707 disable $func
708 check_ld "$@" <<EOF && enable $func
709 extern int $func();
710 int main(void){ $func(); }
711 EOF
712 }
713
714 check_mathfunc(){
715 log check_mathfunc "$@"
716 func=$1
717 shift
718 disable $func
719 check_ld "$@" <<EOF && enable $func
720 #include <math.h>
721 float foo(float f) { return $func(f); }
722 int main(void){ return 0; }
723 EOF
724 }
725
726 check_func_headers(){
727 log check_func_headers "$@"
728 headers=$1
729 funcs=$2
730 shift 2
731 {
732 for hdr in $headers; do
733 echo "#include <$hdr>"
734 done
735 for func in $funcs; do
736 echo "long check_$func(void) { return (long) $func; }"
737 done
738 echo "int main(void) { return 0; }"
739 } | check_ld "$@" && enable $funcs && enable_safe $headers
740 }
741
742 check_cpp_condition(){
743 log check_cpp_condition "$@"
744 header=$1
745 condition=$2
746 shift 2
747 check_cpp $($filter_cppflags "$@") <<EOF
748 #include <$header>
749 #if !($condition)
750 #error "unsatisfied condition: $condition"
751 #endif
752 EOF
753 }
754
755 check_lib(){
756 log check_lib "$@"
757 header="$1"
758 func="$2"
759 shift 2
760 check_header $header && check_func $func "$@" && add_extralibs "$@"
761 }
762
763 check_lib2(){
764 log check_lib2 "$@"
765 headers="$1"
766 funcs="$2"
767 shift 2
768 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
769 }
770
771 check_pkg_config(){
772 log check_pkg_config "$@"
773 pkg="$1"
774 headers="$2"
775 funcs="$3"
776 shift 3
777 $pkg_config --exists $pkg || return
778 pkg_cflags=$($pkg_config --cflags $pkg)
779 pkg_libs=$($pkg_config --libs $pkg)
780 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
781 set_safe ${pkg}_cflags $pkg_cflags &&
782 set_safe ${pkg}_libs $pkg_libs
783 }
784
785 check_exec(){
786 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
787 }
788
789 check_exec_crash(){
790 code=$(cat)
791
792 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
793 # are safe but may not be available everywhere. Thus we use
794 # raise(SIGTERM) instead. The check is run in a subshell so we
795 # can redirect the "Terminated" message from the shell. SIGBUS
796 # is not defined by standard C so it is used conditionally.
797
798 (check_exec "$@") >> $logfile 2>&1 <<EOF
799 #include <signal.h>
800 static void sighandler(int sig){
801 raise(SIGTERM);
802 }
803 int main(void){
804 signal(SIGILL, sighandler);
805 signal(SIGFPE, sighandler);
806 signal(SIGSEGV, sighandler);
807 #ifdef SIGBUS
808 signal(SIGBUS, sighandler);
809 #endif
810 { $code }
811 }
812 EOF
813 }
814
815 check_type(){
816 log check_type "$@"
817 headers=$1
818 type=$2
819 shift 2
820 disable_safe "$type"
821 incs=""
822 for hdr in $headers; do
823 incs="$incs
824 #include <$hdr>"
825 done
826 check_cc "$@" <<EOF && enable_safe "$type"
827 $incs
828 $type v;
829 EOF
830 }
831
832 check_struct(){
833 log check_type "$@"
834 headers=$1
835 struct=$2
836 member=$3
837 shift 3
838 disable_safe "${struct}_${member}"
839 incs=""
840 for hdr in $headers; do
841 incs="$incs
842 #include <$hdr>"
843 done
844 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
845 $incs
846 const void *p = &(($struct *)0)->$member;
847 EOF
848 }
849
850 require(){
851 name="$1"
852 header="$2"
853 func="$3"
854 shift 3
855 check_lib $header $func "$@" || die "ERROR: $name not found"
856 }
857
858 require2(){
859 name="$1"
860 headers="$2"
861 func="$3"
862 shift 3
863 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
864 }
865
866 require_pkg_config(){
867 pkg="$1"
868 check_pkg_config "$@" || die "ERROR: $pkg not found"
869 add_cflags $(get_safe ${pkg}_cflags)
870 add_extralibs $(get_safe ${pkg}_libs)
871 }
872
873 check_host_cc(){
874 log check_host_cc "$@"
875 cat > $TMPC
876 log_file $TMPC
877 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
878 }
879
880 check_host_cflags(){
881 log check_host_cflags "$@"
882 check_host_cc "$@" <<EOF && append host_cflags "$@"
883 int x;
884 EOF
885 }
886
887 apply(){
888 file=$1
889 shift
890 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
891 }
892
893 cp_if_changed(){
894 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
895 mkdir -p "$(dirname $2)"
896 cp -f "$1" "$2"
897 }
898
899 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
900 # system-dependent things.
901
902 COMPONENT_LIST="
903 bsfs
904 decoders
905 demuxers
906 encoders
907 filters
908 hwaccels
909 indevs
910 muxers
911 outdevs
912 parsers
913 protocols
914 "
915
916 PROGRAM_LIST="
917 avconv
918 avplay
919 avprobe
920 avserver
921 "
922
923 CONFIG_LIST="
924 $COMPONENT_LIST
925 $PROGRAM_LIST
926 ac3dsp
927 avcodec
928 avdevice
929 avfilter
930 avformat
931 avresample
932 avisynth
933 bzlib
934 dct
935 doc
936 dwt
937 dxva2
938 fastdiv
939 fft
940 frei0r
941 gnutls
942 gpl
943 gray
944 hardcoded_tables
945 libcdio
946 libdc1394
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lsp
969 mdct
970 memalign_hack
971 mpegaudiodsp
972 network
973 nonfree
974 openssl
975 pic
976 rdft
977 rtpdec
978 runtime_cpudetect
979 safe_bitstream_reader
980 shared
981 sinewin
982 small
983 sram
984 static
985 swscale
986 swscale_alpha
987 thumb
988 vaapi
989 vda
990 vdpau
991 version3
992 xmm_clobber_test
993 x11grab
994 zlib
995 "
996
997 THREADS_LIST='
998 pthreads
999 w32threads
1000 '
1001
1002 ARCH_LIST='
1003 alpha
1004 arm
1005 avr32
1006 avr32_ap
1007 avr32_uc
1008 bfin
1009 ia64
1010 m68k
1011 mips
1012 mips64
1013 parisc
1014 ppc
1015 ppc64
1016 s390
1017 sh4
1018 sparc
1019 sparc64
1020 tomi
1021 x86
1022 x86_32
1023 x86_64
1024 '
1025
1026 ARCH_EXT_LIST='
1027 altivec
1028 amd3dnow
1029 amd3dnowext
1030 armv5te
1031 armv6
1032 armv6t2
1033 armvfp
1034 avx
1035 mmi
1036 mmx
1037 mmx2
1038 neon
1039 ppc4xx
1040 sse
1041 ssse3
1042 vfpv3
1043 vis
1044 '
1045
1046 HAVE_LIST_PUB='
1047 bigendian
1048 fast_unaligned
1049 '
1050
1051 HAVE_LIST="
1052 $ARCH_EXT_LIST
1053 $HAVE_LIST_PUB
1054 $THREADS_LIST
1055 aligned_stack
1056 alsa_asoundlib_h
1057 altivec_h
1058 arpa_inet_h
1059 asm_mod_y
1060 attribute_may_alias
1061 attribute_packed
1062 closesocket
1063 cmov
1064 dcbzl
1065 dev_bktr_ioctl_bt848_h
1066 dev_bktr_ioctl_meteor_h
1067 dev_ic_bt8xx_h
1068 dev_video_bktr_ioctl_bt848_h
1069 dev_video_meteor_ioctl_meteor_h
1070 dlfcn_h
1071 dlopen
1072 dos_paths
1073 ebp_available
1074 ebx_available
1075 exp2
1076 exp2f
1077 fast_64bit
1078 fast_clz
1079 fast_cmov
1080 fcntl
1081 fork
1082 getaddrinfo
1083 gethrtime
1084 GetProcessAffinityMask
1085 GetProcessMemoryInfo
1086 GetProcessTimes
1087 getrusage
1088 gnu_as
1089 ibm_asm
1090 inet_aton
1091 inline_asm
1092 isatty
1093 ldbrx
1094 libdc1394_1
1095 libdc1394_2
1096 llrint
1097 llrintf
1098 local_aligned_16
1099 local_aligned_8
1100 localtime_r
1101 log2
1102 log2f
1103 loongson
1104 lrint
1105 lrintf
1106 machine_ioctl_bt848_h
1107 machine_ioctl_meteor_h
1108 malloc_h
1109 MapViewOfFile
1110 memalign
1111 mkstemp
1112 mmap
1113 poll_h
1114 posix_memalign
1115 round
1116 roundf
1117 sched_getaffinity
1118 sdl
1119 sdl_video_size
1120 setmode
1121 setrlimit
1122 sndio_h
1123 socklen_t
1124 soundcard_h
1125 strerror_r
1126 strptime
1127 strtok_r
1128 struct_addrinfo
1129 struct_ipv6_mreq
1130 struct_rusage_ru_maxrss
1131 struct_sockaddr_in6
1132 struct_sockaddr_sa_len
1133 struct_sockaddr_storage
1134 struct_v4l2_frmivalenum_discrete
1135 symver
1136 symver_asm_label
1137 symver_gnu_asm
1138 sysconf
1139 sysctl
1140 sys_mman_h
1141 sys_param_h
1142 sys_resource_h
1143 sys_select_h
1144 sys_soundcard_h
1145 sys_videoio_h
1146 threads
1147 trunc
1148 truncf
1149 vfp_args
1150 VirtualAlloc
1151 winsock2_h
1152 xform_asm
1153 xmm_clobbers
1154 yasm
1155 "
1156
1157 # options emitted with CONFIG_ prefix but not available on command line
1158 CONFIG_EXTRA="
1159 aandct
1160 avutil
1161 golomb
1162 gplv3
1163 h264chroma
1164 h264dsp
1165 h264pred
1166 h264qpel
1167 huffman
1168 lgplv3
1169 lpc
1170 "
1171
1172 CMDLINE_SELECT="
1173 $ARCH_EXT_LIST
1174 $CONFIG_LIST
1175 $THREADS_LIST
1176 asm
1177 cross_compile
1178 debug
1179 extra_warnings
1180 logging
1181 optimizations
1182 symver
1183 yasm
1184 "
1185
1186 PATHS_LIST='
1187 bindir
1188 datadir
1189 incdir
1190 libdir
1191 mandir
1192 prefix
1193 shlibdir
1194 '
1195
1196 CMDLINE_SET="
1197 $PATHS_LIST
1198 ar
1199 arch
1200 as
1201 build_suffix
1202 cc
1203 cpu
1204 cross_prefix
1205 dep_cc
1206 extra_version
1207 host_cc
1208 host_cflags
1209 host_ldflags
1210 host_libs
1211 host_os
1212 ld
1213 logfile
1214 malloc_prefix
1215 nm
1216 optflags
1217 pkg_config
1218 samples
1219 sysinclude
1220 sysroot
1221 target_exec
1222 target_os
1223 target_path
1224 "
1225
1226 CMDLINE_APPEND="
1227 extra_cflags
1228 "
1229
1230 # code dependency declarations
1231
1232 # architecture extensions
1233
1234 armv5te_deps="arm"
1235 armv6_deps="arm"
1236 armv6t2_deps="arm"
1237 armvfp_deps="arm"
1238 neon_deps="arm"
1239 vfpv3_deps="armvfp"
1240
1241 mmi_deps="mips"
1242
1243 altivec_deps="ppc"
1244 ppc4xx_deps="ppc"
1245
1246 vis_deps="sparc"
1247
1248 x86_64_suggest="cmov fast_cmov"
1249 amd3dnow_deps="mmx"
1250 amd3dnowext_deps="amd3dnow"
1251 mmx_deps="x86"
1252 mmx2_deps="mmx"
1253 sse_deps="mmx"
1254 ssse3_deps="sse"
1255 avx_deps="ssse3"
1256
1257 aligned_stack_if_any="ppc x86"
1258 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1259 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1260 fast_unaligned_if_any="armv6 ppc x86"
1261
1262 inline_asm_deps="!tms470"
1263 need_memalign="altivec neon sse"
1264
1265 symver_if_any="symver_asm_label symver_gnu_asm"
1266
1267 # subsystems
1268 dct_select="rdft"
1269 mdct_select="fft"
1270 rdft_select="fft"
1271 mpegaudiodsp_select="dct"
1272
1273 # decoders / encoders / hardware accelerators
1274 aac_decoder_select="mdct sinewin"
1275 aac_encoder_select="mdct sinewin"
1276 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1277 ac3_decoder_select="mdct ac3dsp ac3_parser"
1278 ac3_encoder_select="mdct ac3dsp"
1279 ac3_fixed_encoder_select="mdct ac3dsp"
1280 alac_encoder_select="lpc"
1281 amrnb_decoder_select="lsp"
1282 amrwb_decoder_select="lsp"
1283 atrac1_decoder_select="mdct sinewin"
1284 atrac3_decoder_select="mdct"
1285 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1286 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1287 cavs_decoder_select="golomb"
1288 cook_decoder_select="mdct sinewin"
1289 cscd_decoder_suggest="zlib"
1290 dca_decoder_select="mdct"
1291 dnxhd_encoder_select="aandct"
1292 dxa_decoder_select="zlib"
1293 eac3_decoder_select="ac3_decoder"
1294 eac3_encoder_select="mdct ac3dsp"
1295 eamad_decoder_select="aandct"
1296 eatgq_decoder_select="aandct"
1297 eatqi_decoder_select="aandct"
1298 ffv1_decoder_select="golomb"
1299 flac_decoder_select="golomb"
1300 flac_encoder_select="golomb lpc"
1301 flashsv_decoder_select="zlib"
1302 flashsv_encoder_select="zlib"
1303 flashsv2_decoder_select="zlib"
1304 flv_decoder_select="h263_decoder"
1305 flv_encoder_select="h263_encoder"
1306 fraps_decoder_select="huffman"
1307 h261_encoder_select="aandct"
1308 h263_decoder_select="h263_parser"
1309 h263_encoder_select="aandct"
1310 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1311 h263i_decoder_select="h263_decoder"
1312 h263p_encoder_select="h263_encoder"
1313 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1314 h264_dxva2_hwaccel_deps="dxva2api_h"
1315 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1316 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1317 h264_vda_hwaccel_select="vda h264_decoder"
1318 h264_vdpau_decoder_select="vdpau h264_decoder"
1319 imc_decoder_select="fft mdct sinewin"
1320 jpegls_decoder_select="golomb"
1321 jpegls_encoder_select="golomb"
1322 ljpeg_encoder_select="aandct"
1323 loco_decoder_select="golomb"
1324 mjpeg_encoder_select="aandct"
1325 mlp_decoder_select="mlp_parser"
1326 mp1_decoder_select="mpegaudiodsp"
1327 mp1float_decoder_select="mpegaudiodsp"
1328 mp2_decoder_select="mpegaudiodsp"
1329 mp2float_decoder_select="mpegaudiodsp"
1330 mp3_decoder_select="mpegaudiodsp"
1331 mp3adu_decoder_select="mpegaudiodsp"
1332 mp3adufloat_decoder_select="mpegaudiodsp"
1333 mp3float_decoder_select="mpegaudiodsp"
1334 mp3on4_decoder_select="mpegaudiodsp"
1335 mp3on4float_decoder_select="mpegaudiodsp"
1336 mpc7_decoder_select="mpegaudiodsp"
1337 mpc8_decoder_select="mpegaudiodsp"
1338 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1339 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1340 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1341 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1342 mpeg1video_encoder_select="aandct"
1343 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1344 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1345 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1346 mpeg2video_encoder_select="aandct"
1347 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1348 mpeg4_encoder_select="h263_encoder"
1349 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1350 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1351 msmpeg4v1_decoder_select="h263_decoder"
1352 msmpeg4v1_encoder_select="h263_encoder"
1353 msmpeg4v2_decoder_select="h263_decoder"
1354 msmpeg4v2_encoder_select="h263_encoder"
1355 msmpeg4v3_decoder_select="h263_decoder"
1356 msmpeg4v3_encoder_select="h263_encoder"
1357 nellymoser_decoder_select="mdct sinewin"
1358 nellymoser_encoder_select="mdct sinewin"
1359 png_decoder_select="zlib"
1360 png_encoder_select="zlib"
1361 qcelp_decoder_select="lsp"
1362 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1363 ra_144_encoder_select="lpc"
1364 ralf_decoder_select="golomb"
1365 rv10_decoder_select="h263_decoder"
1366 rv10_encoder_select="h263_encoder"
1367 rv20_decoder_select="h263_decoder"
1368 rv20_encoder_select="h263_encoder"
1369 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1370 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1371 shorten_decoder_select="golomb"
1372 sipr_decoder_select="lsp"
1373 snow_decoder_select="dwt"
1374 snow_encoder_select="aandct dwt"
1375 svq1_encoder_select="aandct"
1376 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1377 svq3_decoder_suggest="zlib"
1378 theora_decoder_select="vp3_decoder"
1379 tiff_decoder_suggest="zlib"
1380 tiff_encoder_suggest="zlib"
1381 truehd_decoder_select="mlp_decoder"
1382 tscc_decoder_select="zlib"
1383 twinvq_decoder_select="mdct lsp sinewin"
1384 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1385 vc1_dxva2_hwaccel_deps="dxva2api_h"
1386 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1387 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1388 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1389 vc1image_decoder_select="vc1_decoder"
1390 vorbis_decoder_select="mdct"
1391 vorbis_encoder_select="mdct"
1392 vp6_decoder_select="huffman"
1393 vp6a_decoder_select="vp6_decoder"
1394 vp6f_decoder_select="vp6_decoder"
1395 vp8_decoder_select="h264pred h264qpel"
1396 wmapro_decoder_select="mdct sinewin"
1397 wmav1_decoder_select="mdct sinewin"
1398 wmav1_encoder_select="mdct sinewin"
1399 wmav2_decoder_select="mdct sinewin"
1400 wmav2_encoder_select="mdct sinewin"
1401 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1402 wmv1_decoder_select="h263_decoder"
1403 wmv1_encoder_select="h263_encoder"
1404 wmv2_decoder_select="h263_decoder"
1405 wmv2_encoder_select="h263_encoder"
1406 wmv3_decoder_select="vc1_decoder"
1407 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1408 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1409 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1410 wmv3image_decoder_select="wmv3_decoder"
1411 zerocodec_decoder_select="zlib"
1412 zlib_decoder_select="zlib"
1413 zlib_encoder_select="zlib"
1414 zmbv_decoder_select="zlib"
1415 zmbv_encoder_select="zlib"
1416
1417 vaapi_deps="va_va_h"
1418 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1419 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1420
1421 # parsers
1422 h264_parser_select="golomb h264dsp h264pred"
1423
1424 # external libraries
1425 libfaac_encoder_deps="libfaac"
1426 libgsm_decoder_deps="libgsm"
1427 libgsm_encoder_deps="libgsm"
1428 libgsm_ms_decoder_deps="libgsm"
1429 libgsm_ms_encoder_deps="libgsm"
1430 libmp3lame_encoder_deps="libmp3lame"
1431 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1432 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1433 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1434 libopenjpeg_decoder_deps="libopenjpeg"
1435 libschroedinger_decoder_deps="libschroedinger"
1436 libschroedinger_encoder_deps="libschroedinger"
1437 libspeex_decoder_deps="libspeex"
1438 libspeex_encoder_deps="libspeex"
1439 libtheora_encoder_deps="libtheora"
1440 libvo_aacenc_encoder_deps="libvo_aacenc"
1441 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1442 libvorbis_encoder_deps="libvorbis"
1443 libvpx_decoder_deps="libvpx"
1444 libvpx_encoder_deps="libvpx"
1445 libx264_encoder_deps="libx264"
1446 libxavs_encoder_deps="libxavs"
1447 libxvid_encoder_deps="libxvid"
1448
1449 # demuxers / muxers
1450 ac3_demuxer_select="ac3_parser"
1451 asf_stream_muxer_select="asf_muxer"
1452 avisynth_demuxer_deps="avisynth"
1453 dirac_demuxer_select="dirac_parser"
1454 eac3_demuxer_select="ac3_parser"
1455 flac_demuxer_select="flac_parser"
1456 ipod_muxer_select="mov_muxer"
1457 libnut_demuxer_deps="libnut"
1458 libnut_muxer_deps="libnut"
1459 matroska_audio_muxer_select="matroska_muxer"
1460 matroska_demuxer_suggest="zlib bzlib"
1461 mov_demuxer_suggest="zlib"
1462 mp3_demuxer_select="mpegaudio_parser"
1463 mp4_muxer_select="mov_muxer"
1464 mpegtsraw_demuxer_select="mpegts_demuxer"
1465 mxf_d10_muxer_select="mxf_muxer"
1466 ogg_demuxer_select="golomb"
1467 psp_muxer_select="mov_muxer"
1468 rtp_demuxer_select="sdp_demuxer"
1469 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1470 rtsp_demuxer_select="http_protocol rtpdec"
1471 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1472 sap_demuxer_select="sdp_demuxer"
1473 sap_muxer_select="rtp_muxer rtp_protocol"
1474 sdp_demuxer_select="rtpdec"
1475 spdif_muxer_select="aac_parser"
1476 tg2_muxer_select="mov_muxer"
1477 tgp_muxer_select="mov_muxer"
1478 w64_demuxer_deps="wav_demuxer"
1479
1480 # indevs / outdevs
1481 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1482 alsa_outdev_deps="alsa_asoundlib_h"
1483 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1484 dv1394_indev_deps="dv1394 dv_demuxer"
1485 fbdev_indev_deps="linux_fb_h"
1486 jack_indev_deps="jack_jack_h"
1487 libcdio_indev_deps="libcdio"
1488 libdc1394_indev_deps="libdc1394"
1489 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1490 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1491 pulse_indev_deps="libpulse"
1492 sndio_indev_deps="sndio_h"
1493 sndio_outdev_deps="sndio_h"
1494 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1495 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1496 vfwcap_indev_extralibs="-lavicap32"
1497 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1498
1499 # protocols
1500 gopher_protocol_deps="network"
1501 httpproxy_protocol_deps="network"
1502 httpproxy_protocol_select="tcp_protocol"
1503 http_protocol_deps="network"
1504 http_protocol_select="tcp_protocol"
1505 https_protocol_select="tls_protocol"
1506 librtmp_protocol_deps="librtmp"
1507 librtmpe_protocol_deps="librtmp"
1508 librtmps_protocol_deps="librtmp"
1509 librtmpt_protocol_deps="librtmp"
1510 librtmpte_protocol_deps="librtmp"
1511 mmsh_protocol_select="http_protocol"
1512 mmst_protocol_deps="network"
1513 rtmp_protocol_deps="!librtmp_protocol"
1514 rtmp_protocol_select="tcp_protocol"
1515 rtp_protocol_select="udp_protocol"
1516 tcp_protocol_deps="network"
1517 tls_protocol_deps_any="openssl gnutls"
1518 tls_protocol_select="tcp_protocol"
1519 udp_protocol_deps="network"
1520
1521 # filters
1522 blackframe_filter_deps="gpl"
1523 boxblur_filter_deps="gpl"
1524 cropdetect_filter_deps="gpl"
1525 delogo_filter_deps="gpl"
1526 drawtext_filter_deps="libfreetype"
1527 frei0r_filter_deps="frei0r dlopen strtok_r"
1528 frei0r_filter_extralibs='$ldl'
1529 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1530 frei0r_src_filter_extralibs='$ldl'
1531 hqdn3d_filter_deps="gpl"
1532 ocv_filter_deps="libopencv"
1533 scale_filter_deps="swscale"
1534 yadif_filter_deps="gpl"
1535
1536 # libraries
1537 avdevice_deps="avcodec avformat"
1538 avformat_deps="avcodec"
1539
1540 # programs
1541 avconv_deps="avcodec avfilter avformat avresample swscale"
1542 avplay_deps="avcodec avformat swscale sdl"
1543 avplay_select="rdft"
1544 avprobe_deps="avcodec avformat"
1545 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1546 avserver_extralibs='$ldl'
1547
1548 doc_deps="texi2html"
1549
1550 # tests
1551
1552 test_deps(){
1553 suf1=$1
1554 suf2=$2
1555 shift 2
1556 for v; do
1557 dep=${v%=*}
1558 tests=${v#*=}
1559 for name in ${tests}; do
1560 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1561 done
1562 done
1563 }
1564
1565 mxf_d10_test_deps="avfilter"
1566 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1567
1568 test_deps _encoder _decoder \
1569 adpcm_ima_qt \
1570 adpcm_ima_wav \
1571 adpcm_ms \
1572 adpcm_swf \
1573 adpcm_yamaha=adpcm_yam \
1574 alac \
1575 asv1 \
1576 asv2 \
1577 bmp \
1578 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1579 dvvideo="dv dv_411 dv50" \
1580 ffv1 \
1581 flac \
1582 flashsv \
1583 flv \
1584 adpcm_g726=g726 \
1585 gif \
1586 h261 \
1587 h263="h263 h263p" \
1588 huffyuv \
1589 jpegls \
1590 mjpeg="jpg mjpeg ljpeg" \
1591 mp2 \
1592 mpeg1video="mpeg mpeg1b" \
1593 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1594 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1595 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1596 mpeg4="mpeg4thread error rc" \
1597 msmpeg4v3=msmpeg4 \
1598 msmpeg4v2 \
1599 pbm=pbmpipe \
1600 pcx \
1601 pgm="pgm pgmpipe" \
1602 png \
1603 ppm="ppm ppmpipe" \
1604 rawvideo="rgb yuv" \
1605 roq \
1606 rv10 \
1607 rv20 \
1608 sgi \
1609 snow="snow snowll" \
1610 svq1 \
1611 targa=tga \
1612 tiff \
1613 wmav1 \
1614 wmav2 \
1615 wmv1 \
1616 wmv2 \
1617
1618 test_deps _muxer _demuxer \
1619 aiff \
1620 pcm_alaw=alaw \
1621 asf \
1622 au \
1623 avi \
1624 dv=dv_fmt \
1625 ffm \
1626 flv=flv_fmt \
1627 gxf \
1628 matroska=mkv \
1629 mmf \
1630 mov \
1631 pcm_mulaw=mulaw \
1632 mxf="mxf mxf_d10" \
1633 nut \
1634 ogg \
1635 rawvideo=pixfmt \
1636 rm \
1637 swf \
1638 mpegts=ts \
1639 voc \
1640 wav \
1641 yuv4mpegpipe=yuv4mpeg \
1642
1643 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1644 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1645
1646 # default parameters
1647
1648 logfile="config.log"
1649
1650 # installation paths
1651 prefix_default="/usr/local"
1652 bindir_default='${prefix}/bin'
1653 datadir_default='${prefix}/share/avconv'
1654 incdir_default='${prefix}/include'
1655 libdir_default='${prefix}/lib'
1656 mandir_default='${prefix}/share/man'
1657 shlibdir_default="$libdir_default"
1658
1659 # toolchain
1660 ar_default="ar"
1661 cc_default="gcc"
1662 cc_version=\"unknown\"
1663 host_cc_default="gcc"
1664 ln_s="ln -sf"
1665 nm_default="nm"
1666 objformat="elf"
1667 pkg_config_default=pkg-config
1668 ranlib="ranlib"
1669 yasmexe="yasm"
1670
1671 nm_opts='-g'
1672 nogas=":"
1673
1674 # machine
1675 arch_default=$(uname -m)
1676 cpu="generic"
1677
1678 # OS
1679 target_os_default=$(tolower $(uname -s))
1680 host_os=$target_os_default
1681
1682 # configurable options
1683 enable $PROGRAM_LIST
1684
1685 enable avcodec
1686 enable avdevice
1687 enable avfilter
1688 enable avformat
1689 enable avresample
1690 enable avutil
1691 enable swscale
1692
1693 enable asm
1694 enable debug
1695 enable doc
1696 enable fastdiv
1697 enable network
1698 enable optimizations
1699 enable safe_bitstream_reader
1700 enable static
1701 enable swscale_alpha
1702
1703 # build settings
1704 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1705 AVSERVERLDFLAGS=-Wl,-E
1706 LIBPREF="lib"
1707 LIBSUF=".a"
1708 FULLNAME='$(NAME)$(BUILDSUF)'
1709 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1710 SLIBPREF="lib"
1711 SLIBSUF=".so"
1712 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1713 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1714 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1715 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1716 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1717 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1718
1719 AS_O='-o $@'
1720 CC_O='-o $@'
1721
1722 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1723 host_libs='-lm'
1724
1725 target_path='$(CURDIR)'
1726
1727 # since the object filename is not given with the -MM flag, the compiler
1728 # is only able to print the basename, and we must add the path ourselves
1729 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1730 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1731
1732 # find source path
1733 if test -f configure; then
1734 source_path=.
1735 else
1736 source_path=$(cd $(dirname "$0"); pwd)
1737 echo "$source_path" | grep -q '[[:blank:]]' &&
1738 die "Out of tree builds are impossible with whitespace in source path."
1739 test -e "$source_path/config.h" &&
1740 die "Out of tree builds are impossible with config.h in source dir."
1741 fi
1742
1743 for v in "$@"; do
1744 r=${v#*=}
1745 l=${v%"$r"}
1746 r=$(sh_quote "$r")
1747 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1748 done
1749
1750 find_things(){
1751 thing=$1
1752 pattern=$2
1753 file=$source_path/$3
1754 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1755 }
1756
1757 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1758 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1759 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1760 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1761 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1762 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1763 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1764 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1765 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1766 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1767 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1768
1769 ALL_COMPONENTS="
1770 $BSF_LIST
1771 $DECODER_LIST
1772 $DEMUXER_LIST
1773 $ENCODER_LIST
1774 $FILTER_LIST
1775 $HWACCEL_LIST
1776 $INDEV_LIST
1777 $MUXER_LIST
1778 $OUTDEV_LIST
1779 $PARSER_LIST
1780 $PROTOCOL_LIST
1781 "
1782
1783 find_tests(){
1784 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1785 }
1786
1787 ACODEC_TESTS=$(find_tests acodec)
1788 VCODEC_TESTS=$(find_tests vsynth1)
1789 LAVF_TESTS=$(find_tests lavf)
1790 LAVFI_TESTS=$(find_tests lavfi)
1791 SEEK_TESTS=$(find_tests seek seek_)
1792
1793 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1794
1795 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1796
1797 for n in $COMPONENT_LIST; do
1798 v=$(toupper ${n%s})_LIST
1799 eval enable \$$v
1800 eval ${n}_if_any="\$$v"
1801 done
1802
1803 enable $ARCH_EXT_LIST $ALL_TESTS
1804
1805 die_unknown(){
1806 echo "Unknown option \"$1\"."
1807 echo "See $0 --help for available options."
1808 exit 1
1809 }
1810
1811 show_list() {
1812 suffix=_$1
1813 shift
1814 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1815 exit 0
1816 }
1817
1818 for opt do
1819 optval="${opt#*=}"
1820 case "$opt" in
1821 --extra-ldflags=*) add_ldflags $optval
1822 ;;
1823 --extra-libs=*) add_extralibs $optval
1824 ;;
1825 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1826 ;;
1827 --enable-debug=*) debuglevel="$optval"
1828 ;;
1829 --disable-everything)
1830 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1831 ;;
1832 --enable-*=*|--disable-*=*)
1833 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1834 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1835 eval list=\$$(toupper $thing)_LIST
1836 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1837 $action $(filter "$name" $list)
1838 ;;
1839 --enable-?*|--disable-?*)
1840 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1841 if is_in $option $COMPONENT_LIST; then
1842 test $action = disable && action=unset
1843 eval $action \$$(toupper ${option%s})_LIST
1844 elif is_in $option $CMDLINE_SELECT; then
1845 $action $option
1846 else
1847 die_unknown $opt
1848 fi
1849 ;;
1850 --list-*)
1851 NAME="${opt#--list-}"
1852 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1853 NAME=${NAME%s}
1854 eval show_list $NAME \$$(toupper $NAME)_LIST
1855 ;;
1856 --help|-h) show_help
1857 ;;
1858 *)
1859 optname="${opt%%=*}"
1860 optname="${optname#--}"
1861 optname=$(echo "$optname" | sed 's/-/_/g')
1862 if is_in $optname $CMDLINE_SET; then
1863 eval $optname='$optval'
1864 elif is_in $optname $CMDLINE_APPEND; then
1865 append $optname "$optval"
1866 else
1867 die_unknown $opt
1868 fi
1869 ;;
1870 esac
1871 done
1872
1873 disabled logging && logfile=/dev/null
1874
1875 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1876 set >> $logfile
1877
1878 test -n "$cross_prefix" && enable cross_compile
1879
1880 if enabled cross_compile; then
1881 test -n "$arch" && test -n "$target_os" ||
1882 die "Must specify target arch and OS when cross-compiling"
1883 fi
1884
1885 set_default arch target_os
1886
1887 ar_default="${cross_prefix}${ar_default}"
1888 cc_default="${cross_prefix}${cc_default}"
1889 nm_default="${cross_prefix}${nm_default}"
1890 pkg_config_default="${cross_prefix}${pkg_config_default}"
1891 ranlib="${cross_prefix}${ranlib}"
1892
1893 sysinclude_default="${sysroot}/usr/include"
1894
1895 set_default cc nm pkg_config sysinclude
1896 enabled cross_compile || host_cc_default=$cc
1897 set_default host_cc
1898
1899 if ! $pkg_config --version >/dev/null 2>&1; then
1900 warn "$pkg_config not found, library detection may fail."
1901 pkg_config=false
1902 fi
1903
1904 exesuf() {
1905 case $1 in
1906 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1907 esac
1908 }
1909
1910 EXESUF=$(exesuf $target_os)
1911 HOSTEXESUF=$(exesuf $host_os)
1912
1913 # set temporary file name
1914 : ${TMPDIR:=$TEMPDIR}
1915 : ${TMPDIR:=$TMP}
1916 : ${TMPDIR:=/tmp}
1917
1918 if ! check_cmd mktemp -u XXXXXX; then
1919 # simple replacement for missing mktemp
1920 # NOT SAFE FOR GENERAL USE
1921 mktemp(){
1922 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1923 }
1924 fi
1925
1926 tmpfile(){
1927 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1928 (set -C; exec > $tmp) 2>/dev/null ||
1929 die "Unable to create temporary file in $TMPDIR."
1930 append TMPFILES $tmp
1931 eval $1=$tmp
1932 }
1933
1934 trap 'rm -f -- $TMPFILES' EXIT
1935
1936 tmpfile TMPASM .asm
1937 tmpfile TMPC .c
1938 tmpfile TMPE $EXESUF
1939 tmpfile TMPH .h
1940 tmpfile TMPO .o
1941 tmpfile TMPS .S
1942 tmpfile TMPSH .sh
1943 tmpfile TMPV .ver
1944
1945 unset -f mktemp
1946
1947 chmod +x $TMPE
1948
1949 # make sure we can execute files in $TMPDIR
1950 cat > $TMPSH 2>> $logfile <<EOF
1951 #! /bin/sh
1952 EOF
1953 chmod +x $TMPSH >> $logfile 2>&1
1954 if ! $TMPSH >> $logfile 2>&1; then
1955 cat <<EOF
1956 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1957 variable to another directory and make sure that it is not mounted noexec.
1958 EOF
1959 die "Sanity test failed."
1960 fi
1961
1962 filter_asflags=echo
1963 filter_cflags=echo
1964 filter_cppflags=echo
1965
1966 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1967 cc_type=llvm_gcc
1968 cc_version=__VERSION__
1969 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1970 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1971 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1972 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1973 speed_cflags='-O3'
1974 size_cflags='-Os'
1975 elif $cc -v 2>&1 | grep -qi ^gcc; then
1976 cc_type=gcc
1977 cc_version=__VERSION__
1978 gcc_version=$($cc --version | head -n1)
1979 gcc_basever=$($cc -dumpversion)
1980 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1981 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1982 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1983 if ! $cc -dumpversion | grep -q '^2\.'; then
1984 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1986 fi
1987 speed_cflags='-O3'
1988 size_cflags='-Os'
1989 elif $cc --version 2>/dev/null | grep -q Intel; then
1990 cc_type=icc
1991 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1992 cc_ident=$($cc --version | head -n1)
1993 icc_version=$($cc -dumpversion)
1994 CC_DEPFLAGS='-MMD'
1995 AS_DEPFLAGS='-MMD'
1996 speed_cflags='-O3'
1997 size_cflags='-Os'
1998 noopt_cflags='-O1'
1999 elif $cc -v 2>&1 | grep -q xlc; then
2000 cc_type=xlc
2001 cc_version="AV_STRINGIFY(__IBMC__)"
2002 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2003 speed_cflags='-O5'
2004 size_cflags='-O5 -qcompact'
2005 elif $cc -V 2>/dev/null | grep -q Compaq; then
2006 cc_type=ccc
2007 cc_version="AV_STRINGIFY(__DECC_VER)"
2008 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2009 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2010 debuglevel=3
2011 add_ldflags -Wl,-z,now # calls to libots crash without this
2012 speed_cflags='-fast'
2013 size_cflags='-O1'
2014 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2015 test -d "$sysroot" || die "No valid sysroot specified."
2016 cc_type=armcc
2017 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2018 cc_ident=$($cc --vsn | head -n1)
2019 armcc_conf="$PWD/armcc.conf"
2020 $cc --arm_linux_configure \
2021 --arm_linux_config_file="$armcc_conf" \
2022 --configure_sysroot="$sysroot" \
2023 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2024 die "Error creating armcc configuration file."
2025 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2026 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2027 as_default="${cross_prefix}gcc"
2028 CC_DEPFLAGS='-MMD'
2029 AS_DEPFLAGS='-MMD'
2030 speed_cflags='-O3'
2031 size_cflags='-Os'
2032 filter_asflags="filter_out -W${armcc_opt}*"
2033 elif $cc -version 2>/dev/null | grep -q TMS470; then
2034 cc_type=tms470
2035 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2036 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2037 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2038 CC_O='-fr=$(@D)'
2039 as_default="${cross_prefix}gcc"
2040 ld_default="${cross_prefix}gcc"
2041 TMPO=$(basename $TMPC .c).o
2042 append TMPFILES $TMPO
2043 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2044 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2045 AS_DEPFLAGS='-MMD'
2046 speed_cflags='-O3 -mf=5'
2047 size_cflags='-O3 -mf=2'
2048 filter_cflags=tms470_flags
2049 tms470_flags(){
2050 for flag; do
2051 case $flag in
2052 -march=*|-mcpu=*)
2053 case "${flag#*=}" in
2054 armv7-a|cortex-a*) echo -mv=7a8 ;;
2055 armv7-r|cortex-r*) echo -mv=7r4 ;;
2056 armv7-m|cortex-m*) echo -mv=7m3 ;;
2057 armv6*|arm11*) echo -mv=6 ;;
2058 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2059 echo -mv=5e ;;
2060 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2061 esac
2062 ;;
2063 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2064 -mfpu=vfp) echo --float_support=vfpv2 ;;
2065 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2066 -msoft-float) echo --float_support=vfplib ;;
2067 -O[0-3]|-mf=*) echo $flag ;;
2068 -g) echo -g -mn ;;
2069 -pds=*) echo $flag ;;
2070 esac
2071 done
2072 }
2073 elif $cc -v 2>&1 | grep -q clang; then
2074 cc_type=clang
2075 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2076 cc_version=__clang_version__ || cc_version=__VERSION__
2077 cc_ident=$($cc --version | head -n1)
2078 CC_DEPFLAGS='-MMD'
2079 AS_DEPFLAGS='-MMD'
2080 speed_cflags='-O3'
2081 size_cflags='-Os'
2082 elif $cc -V 2>&1 | grep -q Sun; then
2083 cc_type=suncc
2084 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2085 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2086 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2087 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2088 add_ldflags -xc99
2089 speed_cflags='-O5'
2090 size_cflags='-O5 -xspace'
2091 filter_cflags=suncc_flags
2092 suncc_flags(){
2093 for flag; do
2094 case $flag in
2095 -march=*|-mcpu=*)
2096 case "${flag#*=}" in
2097 native) echo -xtarget=native ;;
2098 v9|niagara) echo -xarch=sparc ;;
2099 ultrasparc) echo -xarch=sparcvis ;;
2100 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2101 i586|pentium) echo -xchip=pentium ;;
2102 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2103 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2104 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2105 pentium4*) echo -xtarget=pentium4 ;;
2106 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2107 *-sse3) echo -xarch=sse3 ;;
2108 core2) echo -xarch=ssse3 -xchip=core2 ;;
2109 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2110 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2111 k8|opteron|athlon64|athlon-fx)
2112 echo -xarch=sse2a ;;
2113 athlon*) echo -xarch=pentium_proa ;;
2114 esac
2115 ;;
2116 -std=c99) echo -xc99 ;;
2117 -fomit-frame-pointer) echo -xregs=frameptr ;;
2118 -fPIC) echo -KPIC -xcode=pic32 ;;
2119 -W*,*) echo $flag ;;
2120 -f*-*|-W*) ;;
2121 *) echo $flag ;;
2122 esac
2123 done
2124 }
2125 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2126 cc_type=pathscale
2127 cc_version=__PATHSCALE__
2128 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2129 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2130 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2131 speed_cflags='-O2'
2132 size_cflags='-Os'
2133 filter_cflags='filter_out -Wdisabled-optimization'
2134 elif $cc -v 2>&1 | grep -q Open64; then
2135 cc_type=open64
2136 cc_version=__OPEN64__
2137 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2138 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2139 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2140 speed_cflags='-O2'
2141 size_cflags='-Os'
2142 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2143 elif $cc -V 2>&1 | grep -q Portland; then
2144 cc_type=pgi
2145 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2146 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2147 opt_common='-alias=ansi -Mlre -Mpre'
2148 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2149 size_cflags="-O2 -Munroll=c:1 $opt_common"
2150 noopt_cflags="-O1"
2151 filter_cflags=pgi_flags
2152 pgi_flags(){
2153 for flag; do
2154 case $flag in
2155 -fomit-frame-pointer) echo -Mnoframe ;;
2156 -g) echo -gopt ;;
2157 *) echo $flag ;;
2158 esac
2159 done
2160 }
2161 fi
2162
2163 test -n "$cc_type" && enable $cc_type ||
2164 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2165
2166 : ${as_default:=$cc}
2167 : ${dep_cc_default:=$cc}
2168 : ${ld_default:=$cc}
2169 set_default ar as dep_cc ld
2170
2171 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2172 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2173
2174 add_cflags $extra_cflags
2175 add_asflags $extra_cflags
2176
2177 if test -n "$sysroot"; then
2178 case "$cc_type" in
2179 gcc|llvm_gcc|clang)
2180 add_cppflags --sysroot="$sysroot"
2181 add_ldflags --sysroot="$sysroot"
2182 ;;
2183 tms470)
2184 add_cppflags -I"$sysinclude"
2185 add_ldflags --sysroot="$sysroot"
2186 ;;
2187 esac
2188 fi
2189
2190 if test "$cpu" = host; then
2191 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2192
2193 case "$cc_type" in
2194 gcc|llvm_gcc)
2195 check_native(){
2196 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2197 sed -n "/cc1.*$1=/{
2198 s/.*$1=\\([^ ]*\\).*/\\1/
2199 p
2200 q
2201 }" $TMPE
2202 }
2203 cpu=$(check_native -march || check_native -mcpu)
2204 ;;
2205 esac
2206
2207 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2208 fi
2209
2210 # Deal with common $arch aliases
2211 case "$arch" in
2212 arm*)
2213 arch="arm"
2214 ;;
2215 mips|mipsel|IP*)
2216 arch="mips"
2217 ;;
2218 mips64*)
2219 arch="mips"
2220 subarch="mips64"
2221 ;;
2222 parisc|hppa)
2223 arch="parisc"
2224 ;;
2225 parisc64|hppa64)
2226 arch="parisc"
2227 subarch="parisc64"
2228 ;;
2229 "Power Macintosh"|ppc|powerpc)
2230 arch="ppc"
2231 ;;
2232 ppc64|powerpc64)
2233 arch="ppc"
2234 subarch="ppc64"
2235 ;;
2236 s390|s390x)
2237 arch="s390"
2238 ;;
2239 sh4|sh)
2240 arch="sh4"
2241 ;;
2242 sun4u|sparc64)
2243 arch="sparc"
2244 subarch="sparc64"
2245 ;;
2246 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2247 arch="x86"
2248 ;;
2249 esac
2250
2251 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2252 enable $arch
2253
2254 # Add processor-specific flags
2255 if test "$cpu" = generic; then
2256 : do nothing
2257 elif enabled ppc; then
2258
2259 case $(tolower $cpu) in
2260 601|ppc601|powerpc601)
2261 cpuflags="-mcpu=601"
2262 disable altivec
2263 ;;
2264 603*|ppc603*|powerpc603*)
2265 cpuflags="-mcpu=603"
2266 disable altivec
2267 ;;
2268 604*|ppc604*|powerpc604*)
2269 cpuflags="-mcpu=604"
2270 disable altivec
2271 ;;
2272 g3|75*|ppc75*|powerpc75*)
2273 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2274 disable altivec
2275 ;;
2276 g4|745*|ppc745*|powerpc745*)
2277 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2278 ;;
2279 74*|ppc74*|powerpc74*)
2280 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2281 ;;
2282 g5|970|ppc970|powerpc970|power4*)
2283 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2284 ;;
2285 cell)
2286 cpuflags="-mcpu=cell"
2287 enable ldbrx
2288 ;;
2289 e500v2)
2290 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2291 disable altivec
2292 ;;
2293 e500)
2294 cpuflags="-mcpu=8540 -mhard-float"
2295 disable altivec
2296 ;;
2297 esac
2298
2299 elif enabled x86; then
2300
2301 case $cpu in
2302 i[345]86|pentium)
2303 cpuflags="-march=$cpu"
2304 disable mmx
2305 ;;
2306 # targets that do NOT support conditional mov (cmov)
2307 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2308 cpuflags="-march=$cpu"
2309 disable cmov
2310 ;;
2311 # targets that do support conditional mov (cmov)
2312 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2313 cpuflags="-march=$cpu"
2314 enable cmov
2315 enable fast_cmov
2316 ;;
2317 # targets that do support conditional mov but on which it's slow
2318 pentium4|pentium4m|prescott|nocona)
2319 cpuflags="-march=$cpu"
2320 enable cmov
2321 disable fast_cmov
2322 ;;
2323 esac
2324
2325 elif enabled sparc; then
2326
2327 case $cpu in
2328 niagara)
2329 cpuflags="-mcpu=$cpu"
2330 disable vis
2331 ;;
2332 sparc64)
2333 cpuflags="-mcpu=v9"
2334 ;;
2335 esac
2336
2337 elif enabled arm; then
2338
2339 case $cpu in
2340 armv*)
2341 cpuflags="-march=$cpu"
2342 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2343 ;;
2344 *)
2345 cpuflags="-mcpu=$cpu"
2346 case $cpu in
2347 cortex-a*) subarch=armv7a ;;
2348 cortex-r*) subarch=armv7r ;;
2349 cortex-m*) enable thumb; subarch=armv7m ;;
2350 arm11*) subarch=armv6 ;;
2351 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2352 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2353 esac
2354 ;;
2355 esac
2356
2357 elif enabled alpha; then
2358
2359 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2360
2361 elif enabled bfin; then
2362
2363 cpuflags="-mcpu=$cpu"
2364
2365 elif enabled mips; then
2366
2367 cpuflags="-march=$cpu"
2368
2369 elif enabled avr32; then
2370
2371 case $cpu in
2372 ap7[02]0[0-2])
2373 subarch="avr32_ap"
2374 cpuflags="-mpart=$cpu"
2375 ;;
2376 ap)
2377 subarch="avr32_ap"
2378 cpuflags="-march=$cpu"
2379 ;;
2380 uc3[ab]*)
2381 subarch="avr32_uc"
2382 cpuflags="-mcpu=$cpu"
2383 ;;
2384 uc)
2385 subarch="avr32_uc"
2386 cpuflags="-march=$cpu"
2387 ;;
2388 esac
2389
2390 fi
2391
2392 add_cflags $cpuflags
2393 add_asflags $cpuflags
2394
2395 # compiler sanity check
2396 check_exec <<EOF
2397 int main(void){ return 0; }
2398 EOF
2399 if test "$?" != 0; then
2400 echo "$cc is unable to create an executable file."
2401 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2402 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2403 echo "Only do this if you know what cross compiling means."
2404 fi
2405 die "C compiler test failed."
2406 fi
2407
2408 add_cppflags -D_ISOC99_SOURCE
2409 check_cflags -std=c99
2410 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2411 #include <stdlib.h>
2412 EOF
2413 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2414 #include <stdlib.h>
2415 EOF
2416
2417 check_host_cflags -std=c99
2418 check_host_cflags -Wall
2419
2420 case "$arch" in
2421 alpha|ia64|mips|parisc|sparc)
2422 spic=$shared
2423 ;;
2424 x86)
2425 subarch="x86_32"
2426 check_cc <<EOF && subarch="x86_64"
2427 int test[(int)sizeof(char*) - 7];
2428 EOF
2429 if test "$subarch" = "x86_64"; then
2430 spic=$shared
2431 fi
2432 ;;
2433 esac
2434
2435 enable $subarch
2436 enabled spic && enable pic
2437
2438 # OS specific
2439 case $target_os in
2440 haiku)
2441 prefix_default="/boot/common"
2442 network_extralibs="-lnetwork"
2443 host_libs=
2444 ;;
2445 sunos)
2446 AVSERVERLDFLAGS=""
2447 SHFLAGS='-shared -Wl,-h,$$(@F)'
2448 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2449 network_extralibs="-lsocket -lnsl"
2450 add_cppflags -D__EXTENSIONS__
2451 # When using suncc to build, the Solaris linker will mark
2452 # an executable with each instruction set encountered by
2453 # the Solaris assembler. As our libraries contain their own
2454 # guards for processor-specific code, instead suppress
2455 # generation of the HWCAPS ELF section on Solaris x86 only.
2456 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2457 nm_opts='-P -g'
2458 ;;
2459 netbsd)
2460 disable symver
2461 oss_indev_extralibs="-lossaudio"
2462 oss_outdev_extralibs="-lossaudio"
2463 ;;
2464 openbsd)
2465 enable malloc_aligned
2466 # On OpenBSD 4.5. the compiler does not use PIC unless
2467 # explicitly using -fPIC. Libav builds fine without PIC,
2468 # however the generated executable will not do anything
2469 # (simply quits with exit-code 1, no crash, no output).
2470 # Thus explicitly enable PIC here.
2471 enable pic
2472 disable symver
2473 SHFLAGS='-shared'
2474 oss_indev_extralibs="-lossaudio"
2475 oss_outdev_extralibs="-lossaudio"
2476 ;;
2477 dragonfly)
2478 enable malloc_aligned
2479 disable symver
2480 ;;
2481 freebsd)
2482 enable malloc_aligned
2483 ;;
2484 bsd/os)
2485 add_extralibs -lpoll -lgnugetopt
2486 ;;
2487 darwin)
2488 enable malloc_aligned
2489 gas="gas-preprocessor.pl $cc"
2490 enabled ppc && add_asflags -force_cpusubtype_ALL
2491 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2492 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2493 add_ldflags -Wl,-dynamic,-search_paths_first
2494 SLIBSUF=".dylib"
2495 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2496 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2497 AVSERVERLDFLAGS=-Wl,-bind_at_load
2498 objformat="macho"
2499 enabled x86_64 && objformat="macho64"
2500 enabled_any pic shared ||
2501 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2502 ;;
2503 mingw32*)
2504 if test $target_os = "mingw32ce"; then
2505 disable network
2506 else
2507 target_os=mingw32
2508 fi
2509 LIBTARGET=i386
2510 if enabled x86_64; then
2511 enable malloc_aligned
2512 LIBTARGET="i386:x86-64"
2513 elif enabled arm; then
2514 LIBTARGET=arm-wince
2515 fi
2516 shlibdir_default="$bindir_default"
2517 SLIBPREF=""
2518 SLIBSUF=".dll"
2519 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2520 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2521 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2522 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2523 SLIB_INSTALL_LINKS=
2524 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2525 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2526 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'
2527 objformat="win32"
2528 dlltool="${cross_prefix}dlltool"
2529 enable dos_paths
2530 check_cflags -fno-common
2531 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2532 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2533 die "ERROR: MinGW runtime version must be >= 3.15."
2534 add_cppflags -U__STRICT_ANSI__
2535 ;;
2536 cygwin*)
2537 target_os=cygwin
2538 shlibdir_default="$bindir_default"
2539 SLIBPREF="cyg"
2540 SLIBSUF=".dll"
2541 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2542 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2543 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2544 objformat="win32"
2545 enable dos_paths
2546 check_cflags -fno-common
2547 add_cppflags -U__STRICT_ANSI__
2548 ;;
2549 *-dos|freedos|opendos)
2550 network_extralibs="-lsocket"
2551 objformat="coff"
2552 enable dos_paths
2553 add_cppflags -U__STRICT_ANSI__
2554 ;;
2555 linux)
2556 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2557 enable dv1394
2558 ;;
2559 irix*)
2560 target_os=irix
2561 ranlib="echo ignoring ranlib"
2562 ;;
2563 os/2*)
2564 ln_s="cp -f"
2565 objformat="aout"
2566 add_cppflags -D_GNU_SOURCE
2567 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2568 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2569 AVSERVERLDFLAGS=""
2570 LIBSUF="_s.a"
2571 SLIBPREF=""
2572 SLIBSUF=".dll"
2573 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2574 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2575 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2576 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2577 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2578 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2579 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2580 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2581 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2582 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2583 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2584 enable dos_paths
2585 ;;
2586 gnu/kfreebsd)
2587 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2588 ;;
2589 gnu)
2590 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2591 ;;
2592 qnx)
2593 add_cppflags -D_QNX_SOURCE
2594 network_extralibs="-lsocket"
2595 ;;
2596 symbian)
2597 SLIBSUF=".dll"
2598 enable dos_paths
2599 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2600 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2601 add_ldflags -Wl,--target1-abs,--no-undefined \
2602 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2603 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2604 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2605 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2606 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2607 ;;
2608 none)
2609 ;;
2610 *)
2611 die "Unknown OS '$target_os'."
2612 ;;
2613 esac
2614
2615 esc(){
2616 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2617 }
2618
2619 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2620
2621 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2622
2623 set_default $PATHS_LIST
2624
2625 # we need to build at least one lib type
2626 if ! enabled_any static shared; then
2627 cat <<EOF
2628 At least one library type must be built.
2629 Specify --enable-static to build the static libraries or --enable-shared to
2630 build the shared libraries as well. To only build the shared libraries specify
2631 --disable-static in addition to --enable-shared.
2632 EOF
2633 exit 1;
2634 fi
2635
2636 die_license_disabled() {
2637 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2638 }
2639
2640 die_license_disabled gpl libcdio
2641 die_license_disabled gpl libx264
2642 die_license_disabled gpl libxavs
2643 die_license_disabled gpl libxvid
2644 die_license_disabled gpl x11grab
2645
2646 die_license_disabled nonfree libfaac
2647 die_license_disabled nonfree openssl
2648
2649 die_license_disabled version3 libopencore_amrnb
2650 die_license_disabled version3 libopencore_amrwb
2651 die_license_disabled version3 libvo_aacenc
2652 die_license_disabled version3 libvo_amrwbenc
2653
2654 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2655
2656 disabled optimizations || check_cflags -fomit-frame-pointer
2657
2658 enable_pic() {
2659 enable pic
2660 add_cppflags -DPIC
2661 add_cflags -fPIC
2662 add_asflags -fPIC
2663 }
2664
2665 enabled pic && enable_pic
2666
2667 check_cc <<EOF || die "Symbol mangling check failed."
2668 int ff_extern;
2669 EOF
2670 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2671 extern_prefix=${sym%%ff_extern*}
2672
2673 check_cc <<EOF && enable inline_asm
2674 void foo(void) { __asm__ volatile ("" ::); }
2675 EOF
2676
2677 _restrict=
2678 for restrict_keyword in restrict __restrict__ __restrict; do
2679 check_cc <<EOF && _restrict=$restrict_keyword && break
2680 void foo(char * $restrict_keyword p);
2681 EOF
2682 done
2683
2684 check_cc <<EOF && enable attribute_packed
2685 struct { int x; } __attribute__((packed)) x;
2686 EOF
2687
2688 check_cc <<EOF && enable attribute_may_alias
2689 union { int x; } __attribute__((may_alias)) x;
2690 EOF
2691
2692 check_cc <<EOF || die "endian test failed"
2693 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2694 EOF
2695 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2696
2697 if enabled alpha; then
2698
2699 check_cflags -mieee
2700
2701 elif enabled arm; then
2702
2703 enabled thumb && check_cflags -mthumb || check_cflags -marm
2704 nogas=die
2705
2706 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2707 enable vfp_args
2708 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2709 case "${cross_prefix:-$cc}" in
2710 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2711 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2712 __asm__ (".eabi_attribute 28, 1");
2713 int main(void) { return 0; }
2714 EOF
2715 esac
2716 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2717 fi
2718
2719 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2720 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2721 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2722 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2723 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2724 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2725
2726 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2727
2728 enabled_all armv6t2 shared !pic && enable_pic
2729
2730 elif enabled mips; then
2731
2732 check_asm loongson '"dmult.g $1, $2, $3"'
2733 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2734
2735 elif enabled ppc; then
2736
2737 enable local_aligned_8 local_aligned_16
2738
2739 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2740 check_asm ibm_asm '"add 0, 0, 0"'
2741 check_asm ppc4xx '"maclhw r10, r11, r12"'
2742 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2743
2744 # AltiVec flags: The FSF version of GCC differs from the Apple version
2745 if enabled altivec; then
2746 nogas=warn
2747 check_cflags -maltivec -mabi=altivec &&
2748 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2749 check_cflags -faltivec
2750
2751 # check if our compiler supports Motorola AltiVec C API
2752 check_cc <<EOF || disable altivec
2753 $inc_altivec_h
2754 int main(void) {
2755 vector signed int v1, v2, v3;
2756 v1 = vec_add(v2,v3);
2757 return 0;
2758 }
2759 EOF
2760
2761 # check if our compiler supports braces for vector declarations
2762 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2763 $inc_altivec_h
2764 int main (void) { (vector int) {1}; return 0; }
2765 EOF
2766 fi
2767
2768 elif enabled sparc; then
2769
2770 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2771 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2772
2773 elif enabled x86; then
2774
2775 enable local_aligned_8 local_aligned_16
2776
2777 # check whether EBP is available on x86
2778 # As 'i' is stored on the stack, this program will crash
2779 # if the base pointer is used to access it because the
2780 # base pointer is cleared in the inline assembly code.
2781 check_exec_crash <<EOF && enable ebp_available
2782 volatile int i=0;
2783 __asm__ volatile (
2784 "xorl %%ebp, %%ebp"
2785 ::: "%ebp");
2786 return i;
2787 EOF
2788
2789 # check whether EBX is available on x86
2790 check_asm ebx_available '""::"b"(0)' &&
2791 check_asm ebx_available '"":::"%ebx"'
2792
2793 # check whether xmm clobbers are supported
2794 check_asm xmm_clobbers '"":::"%xmm0"'
2795
2796 # check whether binutils is new enough to compile SSSE3/MMX2
2797 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2798 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2799
2800 if ! disabled_any asm mmx yasm; then
2801 if check_cmd $yasmexe --version; then
2802 enabled x86_64 && yasm_extra="-m amd64"
2803 yasm_debug="-g dwarf2"
2804 elif check_cmd nasm -v; then
2805 yasmexe=nasm
2806 yasm_debug="-g -F dwarf"
2807 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2808 fi
2809
2810 YASMFLAGS="-f $objformat $yasm_extra"
2811 enabled pic && append YASMFLAGS "-DPIC"
2812 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2813 case "$objformat" in
2814 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2815 esac
2816
2817 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2818 die "yasm not found, use --disable-yasm for a crippled build"
2819 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2820 fi
2821
2822 case "$cpu" in
2823 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2824 disable fast_clz
2825 ;;
2826 esac
2827
2828 fi
2829
2830 if enabled asm; then
2831 as=${gas:=$as}
2832 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2833 $nogas "GNU assembler not found, install gas-preprocessor"
2834 fi
2835
2836 check_ldflags -Wl,--as-needed
2837
2838 if check_func dlopen; then
2839 ldl=
2840 elif check_func dlopen -ldl; then
2841 ldl=-ldl
2842 fi
2843
2844 if enabled network; then
2845 check_type "sys/types.h sys/socket.h" socklen_t
2846 check_type netdb.h "struct addrinfo"
2847 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2848 check_type netinet/in.h "struct sockaddr_in6"
2849 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2850 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2851 # Prefer arpa/inet.h over winsock2
2852 if check_header arpa/inet.h ; then
2853 check_func closesocket
2854 elif check_header winsock2.h ; then
2855 check_func_headers winsock2.h closesocket -lws2 && \
2856 network_extralibs="-lws2" || \
2857 { check_func_headers winsock2.h closesocket -lws2_32 && \
2858 network_extralibs="-lws2_32"; }
2859 check_type ws2tcpip.h socklen_t
2860 check_type ws2tcpip.h "struct addrinfo"
2861 check_type ws2tcpip.h "struct ipv6_mreq"
2862 check_type ws2tcpip.h "struct sockaddr_in6"
2863 check_type ws2tcpip.h "struct sockaddr_storage"
2864 check_struct winsock2.h "struct sockaddr" sa_len
2865 else
2866 disable network
2867 fi
2868 fi
2869
2870 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2871 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2872
2873 check_func fcntl
2874 check_func fork
2875 check_func getaddrinfo $network_extralibs
2876 check_func gethrtime
2877 check_func getrusage
2878 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2879 check_func inet_aton $network_extralibs
2880 check_func isatty
2881 check_func localtime_r
2882 check_func ${malloc_prefix}memalign && enable memalign
2883 check_func mkstemp
2884 check_func mmap
2885 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2886 check_func setrlimit
2887 check_func strerror_r
2888 check_func strptime
2889 check_func strtok_r
2890 check_func sched_getaffinity
2891 check_func sysconf
2892 check_func sysctl
2893 check_func_headers io.h setmode
2894 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2895 check_func_headers windows.h GetProcessAffinityMask
2896 check_func_headers windows.h GetProcessTimes
2897 check_func_headers windows.h MapViewOfFile
2898 check_func_headers windows.h VirtualAlloc
2899
2900 check_header dlfcn.h
2901 check_header dxva2api.h
2902 check_header malloc.h
2903 check_header poll.h
2904 check_header sys/mman.h
2905 check_header sys/param.h
2906 check_header sys/resource.h
2907 check_header sys/select.h
2908 check_header vdpau/vdpau.h
2909 check_header vdpau/vdpau_x11.h
2910 check_header X11/extensions/XvMClib.h
2911
2912 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2913 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2914
2915 if ! disabled w32threads && ! enabled pthreads; then
2916 check_func _beginthreadex && enable w32threads
2917 fi
2918
2919 # check for some common methods of building with pthread support
2920 # do this before the optional library checks as some of them require pthreads
2921 if ! disabled pthreads && ! enabled w32threads; then
2922 enable pthreads
2923 if check_func pthread_create; then
2924 :
2925 elif check_func pthread_create -pthread; then
2926 add_cflags -pthread
2927 add_extralibs -pthread
2928 elif check_func pthread_create -pthreads; then
2929 add_cflags -pthreads
2930 add_extralibs -pthreads
2931 elif check_func pthread_create -lpthreadGC2; then
2932 add_extralibs -lpthreadGC2
2933 elif ! check_lib pthread.h pthread_create -lpthread; then
2934 disable pthreads
2935 fi
2936 fi
2937
2938 for thread in $THREADS_LIST; do
2939 if enabled $thread; then
2940 test -n "$thread_type" &&
2941 die "ERROR: Only one thread type must be selected." ||
2942 thread_type="$thread"
2943 fi
2944 done
2945
2946 check_lib math.h sin -lm && LIBM="-lm"
2947 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2948
2949 check_mathfunc exp2
2950 check_mathfunc exp2f
2951 check_mathfunc llrint
2952 check_mathfunc llrintf
2953 check_mathfunc log2
2954 check_mathfunc log2f
2955 check_mathfunc lrint
2956 check_mathfunc lrintf
2957 check_mathfunc round
2958 check_mathfunc roundf
2959 check_mathfunc trunc
2960 check_mathfunc truncf
2961
2962 # these are off by default, so fail if requested and not available
2963 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2964 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2965 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2966 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2967 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2968 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2969 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2970 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2971 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2972 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2973 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2974 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2975 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2976 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2977 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2978 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2979 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2980 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2981 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2982 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2983 enabled libvpx && {
2984 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2985 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2986 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2987 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2988 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2989 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2990 die "ERROR: libx264 version must be >= 0.118."; }
2991 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2992 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2993 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2994 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2995 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2996 die "ERROR: openssl not found"; }
2997
2998 # libdc1394 check
2999 if enabled libdc1394; then
3000 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3001 enable libdc1394_2; } ||
3002 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3003 enable libdc1394_1; } ||
3004 die "ERROR: No version of libdc1394 found "
3005 fi
3006
3007 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3008 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3009 enable sdl &&
3010 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3011 fi
3012
3013 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3014
3015 check_header linux/fb.h
3016 check_header linux/videodev2.h
3017 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3018
3019 check_header sys/videoio.h
3020
3021 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3022 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3023 # w32api 3.12 had it defined wrong
3024 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3025
3026 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3027 { check_header dev/bktr/ioctl_meteor.h &&
3028 check_header dev/bktr/ioctl_bt848.h; } ||
3029 { check_header machine/ioctl_meteor.h &&
3030 check_header machine/ioctl_bt848.h; } ||
3031 { check_header dev/video/meteor/ioctl_meteor.h &&
3032 check_header dev/video/bktr/ioctl_bt848.h; } ||
3033 check_header dev/ic/bt8xx.h
3034
3035 check_header sndio.h
3036 check_header sys/soundcard.h
3037 check_header soundcard.h
3038
3039 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3040
3041 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3042
3043 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3044
3045 enabled libcdio &&
3046 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3047
3048 enabled x11grab &&
3049 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3050 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3051 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3052
3053 # check for VDA header
3054 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3055 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3056 fi
3057
3058 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3059 check_cpp_condition \
3060 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3061 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3062 disable vdpau; }
3063 fi
3064
3065 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3066
3067 # add some useful compiler flags if supported
3068 check_cflags -Wdeclaration-after-statement
3069 check_cflags -Wall
3070 check_cflags -Wno-parentheses
3071 check_cflags -Wno-switch
3072 check_cflags -Wno-format-zero-length
3073 check_cflags -Wdisabled-optimization
3074 check_cflags -Wpointer-arith
3075 check_cflags -Wredundant-decls
3076 check_cflags -Wno-pointer-sign
3077 check_cflags -Wcast-qual
3078 check_cflags -Wwrite-strings
3079 check_cflags -Wtype-limits
3080 check_cflags -Wundef
3081 check_cflags -Wmissing-prototypes
3082 check_cflags -Wstrict-prototypes
3083 enabled extra_warnings && check_cflags -Winline
3084
3085 # add some linker flags
3086 check_ldflags -Wl,--warn-common
3087 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3088 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3089
3090 enabled xmm_clobber_test && \
3091 check_ldflags -Wl,--wrap,avcodec_open2 \
3092 -Wl,--wrap,avcodec_decode_audio4 \
3093 -Wl,--wrap,avcodec_decode_video2 \
3094 -Wl,--wrap,avcodec_decode_subtitle2 \
3095 -Wl,--wrap,avcodec_encode_audio2 \
3096 -Wl,--wrap,avcodec_encode_video \
3097 -Wl,--wrap,avcodec_encode_subtitle \
3098 -Wl,--wrap,sws_scale || \
3099 disable xmm_clobber_test
3100
3101 echo "X{};" > $TMPV
3102 if test_ldflags -Wl,--version-script,$TMPV; then
3103 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3104 check_cc <<EOF && enable symver_asm_label
3105 void ff_foo(void) __asm__ ("av_foo@VERSION");
3106 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3107 EOF
3108 check_cc <<EOF && enable symver_gnu_asm
3109 __asm__(".symver ff_foo,av_foo@VERSION");
3110 void ff_foo(void) {}
3111 EOF
3112 fi
3113
3114 if [ -n "$optflags" ]; then
3115 add_cflags $optflags
3116 elif enabled small; then
3117 add_cflags $size_cflags
3118 elif enabled optimizations; then
3119 add_cflags $speed_cflags
3120 else
3121 add_cflags $noopt_cflags
3122 fi
3123 check_cflags -fno-math-errno
3124 check_cflags -fno-signed-zeros
3125
3126 if enabled icc; then
3127 # Just warnings, no remarks
3128 check_cflags -w1
3129 # -wd: Disable following warnings
3130 # 144, 167, 556: -Wno-pointer-sign
3131 # 1292: attribute "foo" ignored
3132 # 10006: ignoring unknown option -fno-signed-zeros
3133 # 10148: ignoring unknown option -Wno-parentheses
3134 # 10156: ignoring option '-W'; no argument required
3135 check_cflags -wd144,167,556,1292,10006,10148,10156
3136 # 11030: Warning unknown option --as-needed
3137 # 10156: ignoring option '-export'; no argument required
3138 check_ldflags -wd10156,11030
3139 # Allow to compile with optimizations
3140 check_ldflags -march=$cpu
3141 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3142 enable ebp_available
3143 if enabled x86_32; then
3144 test ${icc_version%%.*} -ge 11 && \
3145 check_cflags -falign-stack=maintain-16-byte || \
3146 disable aligned_stack
3147 fi
3148 elif enabled ccc; then
3149 # disable some annoying warnings
3150 add_cflags -msg_disable cvtu32to64
3151 add_cflags -msg_disable embedcomment
3152 add_cflags -msg_disable needconstext
3153 add_cflags -msg_disable nomainieee
3154 add_cflags -msg_disable ptrmismatch1
3155 add_cflags -msg_disable unreachcode
3156 elif enabled gcc; then
3157 check_cflags -fno-tree-vectorize
3158 check_cflags -Werror=implicit-function-declaration
3159 check_cflags -Werror=missing-prototypes
3160 check_cflags -Werror=declaration-after-statement
3161 elif enabled llvm_gcc; then
3162 check_cflags -mllvm -stack-alignment=16
3163 elif enabled clang; then
3164 check_cflags -mllvm -stack-alignment=16
3165 check_cflags -Qunused-arguments
3166 elif enabled armcc; then
3167 # 2523: use of inline assembler is deprecated
3168 add_cflags -W${armcc_opt},--diag_suppress=2523
3169 add_cflags -W${armcc_opt},--diag_suppress=1207
3170 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3171 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3172 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3173 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3174 elif enabled tms470; then
3175 add_cflags -pds=824 -pds=837
3176 elif enabled pathscale; then
3177 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3178 fi
3179
3180 enabled_any $THREADS_LIST && enable threads
3181
3182 check_deps $CONFIG_LIST \
3183 $CONFIG_EXTRA \
3184 $HAVE_LIST \
3185 $ALL_COMPONENTS \
3186 $ALL_TESTS \
3187
3188 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3189
3190 ! enabled_any memalign posix_memalign malloc_aligned &&
3191 enabled_any $need_memalign && enable memalign_hack
3192
3193 echo "install prefix $prefix"
3194 echo "source path $source_path"
3195 echo "C compiler $cc"
3196 echo "ARCH $arch ($cpu)"
3197 if test "$build_suffix" != ""; then
3198 echo "build suffix $build_suffix"
3199 fi
3200 if test "$extra_version" != ""; then
3201 echo "version string suffix $extra_version"
3202 fi
3203 echo "big-endian ${bigendian-no}"
3204 echo "runtime cpu detection ${runtime_cpudetect-no}"
3205 if enabled x86; then
3206 echo "${yasmexe} ${yasm-no}"
3207 echo "MMX enabled ${mmx-no}"
3208 echo "MMX2 enabled ${mmx2-no}"
3209 echo "3DNow! enabled ${amd3dnow-no}"
3210 echo "3DNow! extended enabled ${amd3dnowext-no}"
3211 echo "SSE enabled ${sse-no}"
3212 echo "SSSE3 enabled ${ssse3-no}"
3213 echo "AVX enabled ${avx-no}"
3214 echo "CMOV enabled ${cmov-no}"
3215 echo "CMOV is fast ${fast_cmov-no}"
3216 echo "EBX available ${ebx_available-no}"
3217 echo "EBP available ${ebp_available-no}"
3218 fi
3219 if enabled arm; then
3220 echo "ARMv5TE enabled ${armv5te-no}"
3221 echo "ARMv6 enabled ${armv6-no}"
3222 echo "ARMv6T2 enabled ${armv6t2-no}"
3223 echo "ARM VFP enabled ${armvfp-no}"
3224 echo "NEON enabled ${neon-no}"
3225 fi
3226 if enabled mips; then
3227 echo "MMI enabled ${mmi-no}"
3228 fi
3229 if enabled ppc; then
3230 echo "AltiVec enabled ${altivec-no}"
3231 echo "PPC 4xx optimizations ${ppc4xx-no}"
3232 echo "dcbzl available ${dcbzl-no}"
3233 fi
3234 if enabled sparc; then
3235 echo "VIS enabled ${vis-no}"
3236 fi
3237 echo "debug symbols ${debug-no}"
3238 echo "optimize for size ${small-no}"
3239 echo "optimizations ${optimizations-no}"
3240 echo "static ${static-no}"
3241 echo "shared ${shared-no}"
3242 echo "new filter support ${avfilter-no}"
3243 echo "network support ${network-no}"
3244 echo "threading support ${thread_type-no}"
3245 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3246 echo "SDL support ${sdl-no}"
3247 echo "libdxva2 enabled ${dxva2-no}"
3248 echo "libva enabled ${vaapi-no}"
3249 echo "libvdpau enabled ${vdpau-no}"
3250 echo "AVISynth enabled ${avisynth-no}"
3251 echo "frei0r enabled ${frei0r-no}"
3252 echo "gnutls enabled ${gnutls-no}"
3253 echo "libcdio support ${libcdio-no}"
3254 echo "libdc1394 support ${libdc1394-no}"
3255 echo "libfaac enabled ${libfaac-no}"
3256 echo "libgsm enabled ${libgsm-no}"
3257 echo "libmp3lame enabled ${libmp3lame-no}"
3258 echo "libnut enabled ${libnut-no}"
3259 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3260 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3261 echo "libopencv support ${libopencv-no}"
3262 echo "libopenjpeg enabled ${libopenjpeg-no}"
3263 echo "libpulse enabled ${libpulse-no}"
3264 echo "librtmp enabled ${librtmp-no}"
3265 echo "libschroedinger enabled ${libschroedinger-no}"
3266 echo "libspeex enabled ${libspeex-no}"
3267 echo "libtheora enabled ${libtheora-no}"
3268 echo "libvo-aacenc support ${libvo_aacenc-no}"
3269 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3270 echo "libvorbis enabled ${libvorbis-no}"
3271 echo "libvpx enabled ${libvpx-no}"
3272 echo "libx264 enabled ${libx264-no}"
3273 echo "libxavs enabled ${libxavs-no}"
3274 echo "libxvid enabled ${libxvid-no}"
3275 echo "openssl enabled ${openssl-no}"
3276 echo "zlib enabled ${zlib-no}"
3277 echo "bzlib enabled ${bzlib-no}"
3278 echo
3279
3280 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3281 echo "Enabled ${type}s:"
3282 eval list=\$$(toupper $type)_LIST
3283 print_enabled '_*' $list | sort | pr -r -3 -t
3284 echo
3285 done
3286
3287 license="LGPL version 2.1 or later"
3288 if enabled nonfree; then
3289 license="nonfree and unredistributable"
3290 elif enabled gplv3; then
3291 license="GPL version 3 or later"
3292 elif enabled lgplv3; then
3293 license="LGPL version 3 or later"
3294 elif enabled gpl; then
3295 license="GPL version 2 or later"
3296 fi
3297
3298 echo "License: $license"
3299
3300 echo "Creating config.mak and config.h..."
3301
3302 test -e Makefile || $ln_s "$source_path/Makefile" .
3303
3304 config_files="$TMPH config.mak"
3305
3306 cat > config.mak <<EOF
3307 # Automatically generated by configure - do not modify!
3308 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3309 prefix=$prefix
3310 LIBDIR=\$(DESTDIR)$libdir
3311 SHLIBDIR=\$(DESTDIR)$shlibdir
3312 INCDIR=\$(DESTDIR)$incdir
3313 BINDIR=\$(DESTDIR)$bindir
3314 DATADIR=\$(DESTDIR)$datadir
3315 MANDIR=\$(DESTDIR)$mandir
3316 SRC_PATH=$source_path
3317 CC_IDENT=$cc_ident
3318 ARCH=$arch
3319 CC=$cc
3320 AS=$as
3321 LD=$ld
3322 DEPCC=$dep_cc
3323 YASM=$yasmexe
3324 YASMDEP=$yasmexe
3325 AR=$ar
3326 RANLIB=$ranlib
3327 LN_S=$ln_s
3328 CPPFLAGS=$CPPFLAGS
3329 CFLAGS=$CFLAGS
3330 ASFLAGS=$ASFLAGS
3331 AS_O=$CC_O
3332 CC_O=$CC_O
3333 DLLTOOL=$dlltool
3334 LDFLAGS=$LDFLAGS
3335 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3336 SHFLAGS=$SHFLAGS
3337 YASMFLAGS=$YASMFLAGS
3338 BUILDSUF=$build_suffix
3339 FULLNAME=$FULLNAME
3340 LIBPREF=$LIBPREF
3341 LIBSUF=$LIBSUF
3342 LIBNAME=$LIBNAME
3343 SLIBPREF=$SLIBPREF
3344 SLIBSUF=$SLIBSUF
3345 EXESUF=$EXESUF
3346 EXTRA_VERSION=$extra_version
3347 DEPFLAGS=$DEPFLAGS
3348 CCDEP=$CCDEP
3349 ASDEP=$ASDEP
3350 CC_DEPFLAGS=$CC_DEPFLAGS
3351 AS_DEPFLAGS=$AS_DEPFLAGS
3352 HOSTCC=$host_cc
3353 HOSTCFLAGS=$host_cflags
3354 HOSTEXESUF=$HOSTEXESUF
3355 HOSTLDFLAGS=$host_ldflags
3356 HOSTLIBS=$host_libs
3357 TARGET_EXEC=$target_exec
3358 TARGET_PATH=$target_path
3359 SDL_LIBS=$sdl_libs
3360 SDL_CFLAGS=$sdl_cflags
3361 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3362 EXTRALIBS=$extralibs
3363 INSTALL=install
3364 LIBTARGET=${LIBTARGET}
3365 SLIBNAME=${SLIBNAME}
3366 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3367 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3368 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3369 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3370 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3371 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3372 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3373 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3374 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3375 EOF
3376
3377 get_version(){
3378 name=$1
3379 file=$source_path/$2
3380 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3381 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3382 lcname=$(tolower $name)
3383 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3384 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3385 }
3386
3387 get_version LIBAVCODEC libavcodec/version.h
3388 get_version LIBAVDEVICE libavdevice/avdevice.h
3389 get_version LIBAVFILTER libavfilter/version.h
3390 get_version LIBAVFORMAT libavformat/version.h
3391 get_version LIBAVRESAMPLE libavresample/version.h
3392 get_version LIBAVUTIL libavutil/avutil.h
3393 get_version LIBSWSCALE libswscale/swscale.h
3394
3395 cat > $TMPH <<EOF
3396 /* Automatically generated by configure - do not modify! */
3397 #ifndef LIBAV_CONFIG_H
3398 #define LIBAV_CONFIG_H
3399 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3400 #define LIBAV_LICENSE "$(c_escape $license)"
3401 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3402 #define CC_TYPE "$cc_type"
3403 #define CC_VERSION $cc_version
3404 #define restrict $_restrict
3405 #define EXTERN_PREFIX "${extern_prefix}"
3406 #define EXTERN_ASM ${extern_prefix}
3407 #define SLIBSUF "$SLIBSUF"
3408 EOF
3409
3410 test -n "$malloc_prefix" &&
3411 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3412
3413 if enabled small || disabled optimizations; then
3414 echo "#undef av_always_inline" >> $TMPH
3415 if enabled small; then
3416 echo "#define av_always_inline inline" >> $TMPH
3417 else
3418 echo "#define av_always_inline av_unused" >> $TMPH
3419 fi
3420 fi
3421
3422 if enabled yasm; then
3423 append config_files $TMPASM
3424 printf '' >$TMPASM
3425 fi
3426
3427 print_config ARCH_ "$config_files" $ARCH_LIST
3428 print_config HAVE_ "$config_files" $HAVE_LIST
3429 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3430 $CONFIG_EXTRA \
3431 $ALL_COMPONENTS \
3432
3433 cat >>config.mak <<EOF
3434 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3435 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3436 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3437 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3438 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3439 EOF
3440
3441 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3442
3443 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3444 cp_if_changed $TMPH config.h
3445 touch .config
3446
3447 enabled yasm && cp_if_changed $TMPASM config.asm
3448
3449 cat > $TMPH <<EOF
3450 /* Generated by ffconf */
3451 #ifndef AVUTIL_AVCONFIG_H
3452 #define AVUTIL_AVCONFIG_H
3453 EOF
3454
3455 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3456
3457 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3458
3459 cp_if_changed $TMPH libavutil/avconfig.h
3460
3461 test -n "$WARNINGS" && printf "\n$WARNINGS"
3462
3463 # build pkg-config files
3464
3465 pkgconfig_generate(){
3466 name=$1
3467 shortname=${name#lib}${build_suffix}
3468 comment=$2
3469 version=$3
3470 libs=$4
3471 requires=$5
3472 enabled ${name#lib} || return 0
3473 mkdir -p $name
3474 cat <<EOF > $name/$name.pc
3475 prefix=$prefix
3476 exec_prefix=\${prefix}
3477 libdir=$libdir
3478 includedir=$incdir
3479
3480 Name: $name
3481 Description: $comment
3482 Version: $version
3483 Requires: $(enabled shared || echo $requires)
3484 Requires.private: $(enabled shared && echo $requires)
3485 Conflicts:
3486 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3487 Libs.private: $(enabled shared && echo $libs)
3488 Cflags: -I\${includedir}
3489 EOF
3490 cat <<EOF > $name/$name-uninstalled.pc
3491 prefix=
3492 exec_prefix=
3493 libdir=\${pcfiledir}
3494 includedir=${source_path}
3495
3496 Name: $name
3497 Description: $comment
3498 Version: $version
3499 Requires: $requires
3500 Conflicts:
3501 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3502 Cflags: -I\${includedir}
3503 EOF
3504 }
3505
3506 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3507 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3508 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3509 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3510 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3511 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3512 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"