22542afbe7c275ae1ef166c498d9c51dadd1e24f
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --disable-safe-bitstream-reader
117 disable buffer boundary checking in bitreaders
118 (faster, but may crash)
119 --enable-memalign-hack emulate memalign, interferes with memory debuggers
120 --disable-everything disable all components listed below
121 --disable-encoder=NAME disable encoder NAME
122 --enable-encoder=NAME enable encoder NAME
123 --disable-encoders disable all encoders
124 --disable-decoder=NAME disable decoder NAME
125 --enable-decoder=NAME enable decoder NAME
126 --disable-decoders disable all decoders
127 --disable-hwaccel=NAME disable hwaccel NAME
128 --enable-hwaccel=NAME enable hwaccel NAME
129 --disable-hwaccels disable all hwaccels
130 --disable-muxer=NAME disable muxer NAME
131 --enable-muxer=NAME enable muxer NAME
132 --disable-muxers disable all muxers
133 --disable-demuxer=NAME disable demuxer NAME
134 --enable-demuxer=NAME enable demuxer NAME
135 --disable-demuxers disable all demuxers
136 --enable-parser=NAME enable parser NAME
137 --disable-parser=NAME disable parser NAME
138 --disable-parsers disable all parsers
139 --enable-bsf=NAME enable bitstream filter NAME
140 --disable-bsf=NAME disable bitstream filter NAME
141 --disable-bsfs disable all bitstream filters
142 --enable-protocol=NAME enable protocol NAME
143 --disable-protocol=NAME disable protocol NAME
144 --disable-protocols disable all protocols
145 --disable-indev=NAME disable input device NAME
146 --disable-outdev=NAME disable output device NAME
147 --disable-indevs disable input devices
148 --disable-outdevs disable output devices
149 --disable-devices disable all devices
150 --enable-filter=NAME enable filter NAME
151 --disable-filter=NAME disable filter NAME
152 --disable-filters disable all filters
153 --list-decoders show all available decoders
154 --list-encoders show all available encoders
155 --list-hwaccels show all available hardware accelerators
156 --list-muxers show all available muxers
157 --list-demuxers show all available demuxers
158 --list-parsers show all available parsers
159 --list-protocols show all available protocols
160 --list-bsfs show all available bitstream filters
161 --list-indevs show all available input devices
162 --list-outdevs show all available output devices
163 --list-filters show all available filters
164
165 External library support:
166 --enable-avisynth enable reading of AVISynth script files [no]
167 --enable-bzlib enable bzlib [autodetect]
168 --enable-frei0r enable frei0r video filtering
169 --enable-gnutls enable gnutls [no]
170 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
171 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
172 --enable-libopencv enable video filtering via libopencv [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libdirac enable Dirac support via libdirac [no]
177 --enable-libfaac enable FAAC support via libfaac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM support via libgsm [no]
180 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
181 --enable-libnut enable NUT (de)muxing via libnut,
182 native (de)muxer exists [no]
183 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac support via libschroedinger [no]
187 --enable-libspeex enable Speex support via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis,
192 native implementation exists [no]
193 --enable-libvpx enable VP8 support via libvpx [no]
194 --enable-libx264 enable H.264 encoding via x264 [no]
195 --enable-libxavs enable AVS encoding via xavs [no]
196 --enable-libxvid enable Xvid encoding via xvidcore,
197 native MPEG-4/Xvid encoder exists [no]
198 --enable-mlib enable Sun medialib [no]
199 --enable-openssl enable openssl [no]
200 --enable-zlib enable zlib [autodetect]
201
202 Advanced options (experts only):
203 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
204 --enable-cross-compile assume a cross-compiler is used
205 --sysroot=PATH root of cross-build tree
206 --sysinclude=PATH location of cross-build system headers
207 --target-os=OS compiler targets OS [$target_os]
208 --target-exec=CMD command to run executables on target
209 --target-path=DIR path to view of build directory on target
210 --nm=NM use nm tool
211 --ar=AR use archive tool AR [$ar_default]
212 --as=AS use assembler AS [$as_default]
213 --cc=CC use C compiler CC [$cc_default]
214 --ld=LD use linker LD
215 --host-cc=HOSTCC use host C compiler HOSTCC
216 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
223 --build-suffix=SUFFIX library name suffix []
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --disable-asm disable all assembler optimizations
228 --disable-altivec disable AltiVec optimizations
229 --disable-amd3dnow disable 3DNow! optimizations
230 --disable-amd3dnowext disable 3DNow! extended optimizations
231 --disable-mmx disable MMX optimizations
232 --disable-mmx2 disable MMX2 optimizations
233 --disable-sse disable SSE optimizations
234 --disable-ssse3 disable SSSE3 optimizations
235 --disable-avx disable AVX optimizations
236 --disable-armv5te disable armv5te optimizations
237 --disable-armv6 disable armv6 optimizations
238 --disable-armv6t2 disable armv6t2 optimizations
239 --disable-armvfp disable ARM VFP optimizations
240 --disable-iwmmxt disable iwmmxt optimizations
241 --disable-mmi disable MMI optimizations
242 --disable-neon disable neon optimizations
243 --disable-vis disable VIS optimizations
244 --disable-yasm disable use of yasm assembler
245 --enable-pic build position-independent code
246 --malloc-prefix=PFX prefix malloc and related names with PFX
247 --enable-sram allow use of on-chip SRAM
248 --disable-symver disable symbol versioning
249 --optflags override optimization-related compiler flags
250
251 Developer options (useful when working on Libav itself):
252 --disable-debug disable debugging symbols
253 --enable-debug=LEVEL set the debug level [$debuglevel]
254 --disable-optimizations disable compiler optimizations
255 --enable-extra-warnings enable more compiler warnings
256 --samples=PATH location of test samples for FATE, if not set use
257 \$FATE_SAMPLES at make invocation time.
258
259 NOTE: Object files are built at the place where configure is launched.
260 EOF
261 exit 0
262 }
263
264 quotes='""'
265
266 log(){
267 echo "$@" >> $logfile
268 }
269
270 log_file(){
271 log BEGIN $1
272 pr -n -t $1 >> $logfile
273 log END $1
274 }
275
276 echolog(){
277 log "$@"
278 echo "$@"
279 }
280
281 warn(){
282 log "WARNING: $*"
283 WARNINGS="${WARNINGS}WARNING: $*\n"
284 }
285
286 die(){
287 echolog "$@"
288 cat <<EOF
289
290 If you think configure made a mistake, make sure you are using the latest
291 version from Git. If the latest version fails, report the problem to the
292 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
293 EOF
294 if disabled logging; then
295 cat <<EOF
296 Rerun configure with logging enabled (do not use --disable-logging), and
297 include the log this produces with your report.
298 EOF
299 else
300 cat <<EOF
301 Include the log file "$logfile" produced by configure as this will help
302 solving the problem.
303 EOF
304 fi
305 exit 1
306 }
307
308 # Avoid locale weirdness, besides we really just want to translate ASCII.
309 toupper(){
310 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
311 }
312
313 tolower(){
314 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
315 }
316
317 c_escape(){
318 echo "$*" | sed 's/["\\]/\\\0/g'
319 }
320
321 sh_quote(){
322 v=$(echo "$1" | sed "s/'/'\\\\''/g")
323 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
324 echo "$v"
325 }
326
327 cleanws(){
328 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
329 }
330
331 filter(){
332 pat=$1
333 shift
334 for v; do
335 eval "case $v in $pat) echo $v ;; esac"
336 done
337 }
338
339 filter_out(){
340 pat=$1
341 shift
342 for v; do
343 eval "case $v in $pat) ;; *) echo $v ;; esac"
344 done
345 }
346
347 map(){
348 m=$1
349 shift
350 for v; do eval $m; done
351 }
352
353 set_all(){
354 value=$1
355 shift
356 for var in $*; do
357 eval $var=$value
358 done
359 }
360
361 set_weak(){
362 value=$1
363 shift
364 for var; do
365 eval : \${$var:=$value}
366 done
367 }
368
369 set_safe(){
370 var=$1
371 shift
372 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
373 }
374
375 get_safe(){
376 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
377 }
378
379 pushvar(){
380 for var in $*; do
381 eval level=\${${var}_level:=0}
382 eval ${var}_${level}="\$$var"
383 eval ${var}_level=$(($level+1))
384 done
385 }
386
387 popvar(){
388 for var in $*; do
389 eval level=\${${var}_level:-0}
390 test $level = 0 && continue
391 eval level=$(($level-1))
392 eval $var="\${${var}_${level}}"
393 eval ${var}_level=$level
394 eval unset ${var}_${level}
395 done
396 }
397
398 enable(){
399 set_all yes $*
400 }
401
402 disable(){
403 set_all no $*
404 }
405
406 enable_weak(){
407 set_weak yes $*
408 }
409
410 disable_weak(){
411 set_weak no $*
412 }
413
414 enable_safe(){
415 for var; do
416 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
417 done
418 }
419
420 disable_safe(){
421 for var; do
422 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 do_enable_deep(){
427 for var; do
428 enabled $var && continue
429 eval sel="\$${var}_select"
430 eval sgs="\$${var}_suggest"
431 pushvar var sgs
432 enable_deep $sel
433 popvar sgs
434 enable_deep_weak $sgs
435 popvar var
436 done
437 }
438
439 enable_deep(){
440 do_enable_deep $*
441 enable $*
442 }
443
444 enable_deep_weak(){
445 do_enable_deep $*
446 enable_weak $*
447 }
448
449 enabled(){
450 test "${1#!}" = "$1" && op== || op=!=
451 eval test "x\$${1#!}" $op "xyes"
452 }
453
454 disabled(){
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xno"
457 }
458
459 enabled_all(){
460 for opt; do
461 enabled $opt || return 1
462 done
463 }
464
465 disabled_all(){
466 for opt; do
467 disabled $opt || return 1
468 done
469 }
470
471 enabled_any(){
472 for opt; do
473 enabled $opt && return 0
474 done
475 }
476
477 disabled_any(){
478 for opt; do
479 disabled $opt && return 0
480 done
481 return 1
482 }
483
484 set_default(){
485 for opt; do
486 eval : \${$opt:=\$${opt}_default}
487 done
488 }
489
490 is_in(){
491 value=$1
492 shift
493 for var in $*; do
494 [ $var = $value ] && return 0
495 done
496 return 1
497 }
498
499 check_deps(){
500 for cfg; do
501 cfg="${cfg#!}"
502 enabled ${cfg}_checking && die "Circular dependency for $cfg."
503 disabled ${cfg}_checking && continue
504 enable ${cfg}_checking
505
506 eval dep_all="\$${cfg}_deps"
507 eval dep_any="\$${cfg}_deps_any"
508 eval dep_sel="\$${cfg}_select"
509 eval dep_sgs="\$${cfg}_suggest"
510 eval dep_ifa="\$${cfg}_if"
511 eval dep_ifn="\$${cfg}_if_any"
512
513 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
514 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
515 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
516
517 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
518 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
519 enabled_all $dep_all || disable $cfg
520 enabled_any $dep_any || disable $cfg
521 disabled_any $dep_sel && disable $cfg
522
523 if enabled $cfg; then
524 eval dep_extralibs="\$${cfg}_extralibs"
525 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
526 enable_deep $dep_sel
527 enable_deep_weak $dep_sgs
528 fi
529
530 disable ${cfg}_checking
531 done
532 }
533
534 print_config_h(){
535 enabled $1 && v=1 || v=0
536 echo "#define $2 $v"
537 }
538
539 print_config_mak(){
540 enabled $1 && v= || v=!
541 echo "$v$2=yes"
542 }
543
544 print_config_asm(){
545 enabled $1 && echo "%define $2"
546 }
547
548 print_config(){
549 pfx=$1
550 files=$2
551 shift 2
552 for cfg; do
553 ucname="$(toupper $cfg)"
554 for f in $files; do
555 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
556 done
557 done
558 }
559
560 print_enabled(){
561 test "$1" = -n && end=" " && shift || end="\n"
562 suf=$1
563 shift
564 for v; do
565 enabled $v && printf "%s$end" ${v%$suf};
566 done
567 }
568
569 append(){
570 var=$1
571 shift
572 eval "$var=\"\$$var $*\""
573 }
574
575 prepend(){
576 var=$1
577 shift
578 eval "$var=\"$* \$$var\""
579 }
580
581 add_cppflags(){
582 append CPPFLAGS $($filter_cppflags "$@")
583 }
584
585 add_cflags(){
586 append CFLAGS $($filter_cflags "$@")
587 }
588
589 add_asflags(){
590 append ASFLAGS $($filter_asflags "$@")
591 }
592
593 add_ldflags(){
594 append LDFLAGS "$@"
595 }
596
597 add_extralibs(){
598 prepend extralibs "$@"
599 }
600
601 check_cmd(){
602 log "$@"
603 "$@" >> $logfile 2>&1
604 }
605
606 check_cc(){
607 log check_cc "$@"
608 cat > $TMPC
609 log_file $TMPC
610 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
611 }
612
613 check_cpp(){
614 log check_cpp "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
618 }
619
620 check_as(){
621 log check_as "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
625 }
626
627 check_asm(){
628 log check_asm "$@"
629 name="$1"
630 code="$2"
631 shift 2
632 disable $name
633 check_as "$@" <<EOF && enable $name
634 void foo(void){ __asm__ volatile($code); }
635 EOF
636 }
637
638 check_yasm(){
639 log check_yasm "$@"
640 echo "$1" > $TMPS
641 log_file $TMPS
642 shift 1
643 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
644 }
645
646 check_ld(){
647 log check_ld "$@"
648 flags=''
649 libs=''
650 for f; do
651 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
652 done
653 check_cc $($filter_cflags $flags) || return
654 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
655 }
656
657 check_cppflags(){
658 log check_cppflags "$@"
659 set -- $($filter_cppflags "$@")
660 check_cc "$@" <<EOF && append CPPFLAGS "$@"
661 int x;
662 EOF
663 }
664
665 check_cflags(){
666 log check_cflags "$@"
667 set -- $($filter_cflags "$@")
668 check_cc "$@" <<EOF && append CFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 test_ldflags(){
674 log test_ldflags "$@"
675 check_ld "$@" <<EOF
676 int main(void){ return 0; }
677 EOF
678 }
679
680 check_ldflags(){
681 log check_ldflags "$@"
682 test_ldflags "$@" && add_ldflags "$@"
683 }
684
685 check_header(){
686 log check_header "$@"
687 header=$1
688 shift
689 disable_safe $header
690 check_cpp "$@" <<EOF && enable_safe $header
691 #include <$header>
692 int x;
693 EOF
694 }
695
696 check_func(){
697 log check_func "$@"
698 func=$1
699 shift
700 disable $func
701 check_ld "$@" <<EOF && enable $func
702 extern int $func();
703 int main(void){ $func(); }
704 EOF
705 }
706
707 check_mathfunc(){
708 log check_mathfunc "$@"
709 func=$1
710 shift
711 disable $func
712 check_ld "$@" <<EOF && enable $func
713 #include <math.h>
714 float foo(float f) { return $func(f); }
715 int main(void){ return 0; }
716 EOF
717 }
718
719 check_func_headers(){
720 log check_func_headers "$@"
721 headers=$1
722 funcs=$2
723 shift 2
724 {
725 for hdr in $headers; do
726 echo "#include <$hdr>"
727 done
728 for func in $funcs; do
729 echo "long check_$func(void) { return (long) $func; }"
730 done
731 echo "int main(void) { return 0; }"
732 } | check_ld "$@" && enable $funcs && enable_safe $headers
733 }
734
735 check_cpp_condition(){
736 log check_cpp_condition "$@"
737 header=$1
738 condition=$2
739 shift 2
740 check_cpp $($filter_cppflags "$@") <<EOF
741 #include <$header>
742 #if !($condition)
743 #error "unsatisfied condition: $condition"
744 #endif
745 EOF
746 }
747
748 check_lib(){
749 log check_lib "$@"
750 header="$1"
751 func="$2"
752 shift 2
753 check_header $header && check_func $func "$@" && add_extralibs "$@"
754 }
755
756 check_lib2(){
757 log check_lib2 "$@"
758 headers="$1"
759 funcs="$2"
760 shift 2
761 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
762 }
763
764 check_pkg_config(){
765 log check_pkg_config "$@"
766 pkg="$1"
767 headers="$2"
768 funcs="$3"
769 shift 3
770 $pkg_config --exists $pkg || return
771 pkg_cflags=$($pkg_config --cflags $pkg)
772 pkg_libs=$($pkg_config --libs $pkg)
773 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
774 set_safe ${pkg}_cflags $pkg_cflags &&
775 set_safe ${pkg}_libs $pkg_libs
776 }
777
778 check_exec(){
779 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
780 }
781
782 check_exec_crash(){
783 code=$(cat)
784
785 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
786 # are safe but may not be available everywhere. Thus we use
787 # raise(SIGTERM) instead. The check is run in a subshell so we
788 # can redirect the "Terminated" message from the shell. SIGBUS
789 # is not defined by standard C so it is used conditionally.
790
791 (check_exec "$@") >> $logfile 2>&1 <<EOF
792 #include <signal.h>
793 static void sighandler(int sig){
794 raise(SIGTERM);
795 }
796 int main(void){
797 signal(SIGILL, sighandler);
798 signal(SIGFPE, sighandler);
799 signal(SIGSEGV, sighandler);
800 #ifdef SIGBUS
801 signal(SIGBUS, sighandler);
802 #endif
803 { $code }
804 }
805 EOF
806 }
807
808 check_type(){
809 log check_type "$@"
810 headers=$1
811 type=$2
812 shift 2
813 disable_safe "$type"
814 incs=""
815 for hdr in $headers; do
816 incs="$incs
817 #include <$hdr>"
818 done
819 check_cc "$@" <<EOF && enable_safe "$type"
820 $incs
821 $type v;
822 EOF
823 }
824
825 check_struct(){
826 log check_type "$@"
827 headers=$1
828 struct=$2
829 member=$3
830 shift 3
831 disable_safe "${struct}_${member}"
832 incs=""
833 for hdr in $headers; do
834 incs="$incs
835 #include <$hdr>"
836 done
837 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
838 $incs
839 const void *p = &(($struct *)0)->$member;
840 EOF
841 }
842
843 require(){
844 name="$1"
845 header="$2"
846 func="$3"
847 shift 3
848 check_lib $header $func "$@" || die "ERROR: $name not found"
849 }
850
851 require2(){
852 name="$1"
853 headers="$2"
854 func="$3"
855 shift 3
856 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
857 }
858
859 require_pkg_config(){
860 pkg="$1"
861 check_pkg_config "$@" || die "ERROR: $pkg not found"
862 add_cflags $(get_safe ${pkg}_cflags)
863 add_extralibs $(get_safe ${pkg}_libs)
864 }
865
866 check_host_cc(){
867 log check_host_cc "$@"
868 cat > $TMPC
869 log_file $TMPC
870 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
871 }
872
873 check_host_cflags(){
874 log check_host_cflags "$@"
875 check_host_cc "$@" <<EOF && append host_cflags "$@"
876 int x;
877 EOF
878 }
879
880 apply(){
881 file=$1
882 shift
883 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
884 }
885
886 cp_if_changed(){
887 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
888 mkdir -p "$(dirname $2)"
889 cp -f "$1" "$2"
890 }
891
892 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
893 # system-dependent things.
894
895 COMPONENT_LIST="
896 bsfs
897 decoders
898 demuxers
899 encoders
900 filters
901 hwaccels
902 indevs
903 muxers
904 outdevs
905 parsers
906 protocols
907 "
908
909 PROGRAM_LIST="
910 avconv
911 avplay
912 avprobe
913 avserver
914 ffmpeg
915 "
916
917 CONFIG_LIST="
918 $COMPONENT_LIST
919 $PROGRAM_LIST
920 aandct
921 ac3dsp
922 avcodec
923 avdevice
924 avfilter
925 avformat
926 avisynth
927 bzlib
928 dct
929 doc
930 dwt
931 dxva2
932 fastdiv
933 fft
934 frei0r
935 gnutls
936 golomb
937 gpl
938 gray
939 h264chroma
940 h264dsp
941 h264pred
942 hardcoded_tables
943 huffman
944 libcdio
945 libdc1394
946 libdirac
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 lpc
969 lsp
970 mdct
971 memalign_hack
972 mlib
973 mpegaudiodsp
974 network
975 nonfree
976 openssl
977 pic
978 postproc
979 rdft
980 rtpdec
981 runtime_cpudetect
982 safe_bitstream_reader
983 shared
984 sinewin
985 small
986 sram
987 static
988 swscale
989 swscale_alpha
990 thumb
991 vaapi
992 vda
993 vdpau
994 version3
995 x11grab
996 zlib
997 "
998
999 THREADS_LIST='
1000 pthreads
1001 w32threads
1002 '
1003
1004 ARCH_LIST='
1005 alpha
1006 arm
1007 avr32
1008 avr32_ap
1009 avr32_uc
1010 bfin
1011 ia64
1012 m68k
1013 mips
1014 mips64
1015 parisc
1016 ppc
1017 ppc64
1018 s390
1019 sh4
1020 sparc
1021 sparc64
1022 tomi
1023 x86
1024 x86_32
1025 x86_64
1026 '
1027
1028 ARCH_EXT_LIST='
1029 altivec
1030 amd3dnow
1031 amd3dnowext
1032 armv5te
1033 armv6
1034 armv6t2
1035 armvfp
1036 avx
1037 iwmmxt
1038 mmi
1039 mmx
1040 mmx2
1041 neon
1042 ppc4xx
1043 sse
1044 ssse3
1045 vfpv3
1046 vis
1047 '
1048
1049 HAVE_LIST_PUB='
1050 bigendian
1051 fast_unaligned
1052 '
1053
1054 HAVE_LIST="
1055 $ARCH_EXT_LIST
1056 $HAVE_LIST_PUB
1057 $THREADS_LIST
1058 aligned_stack
1059 alsa_asoundlib_h
1060 altivec_h
1061 arpa_inet_h
1062 asm_mod_y
1063 attribute_may_alias
1064 attribute_packed
1065 closesocket
1066 cmov
1067 dcbzl
1068 dev_bktr_ioctl_bt848_h
1069 dev_bktr_ioctl_meteor_h
1070 dev_ic_bt8xx_h
1071 dev_video_bktr_ioctl_bt848_h
1072 dev_video_meteor_ioctl_meteor_h
1073 dlfcn_h
1074 dlopen
1075 dos_paths
1076 ebp_available
1077 ebx_available
1078 exp2
1079 exp2f
1080 fast_64bit
1081 fast_clz
1082 fast_cmov
1083 fcntl
1084 fork
1085 getaddrinfo
1086 gethrtime
1087 GetProcessMemoryInfo
1088 GetProcessTimes
1089 getrusage
1090 gnu_as
1091 ibm_asm
1092 inet_aton
1093 inline_asm
1094 isatty
1095 ldbrx
1096 libdc1394_1
1097 libdc1394_2
1098 llrint
1099 llrintf
1100 local_aligned_16
1101 local_aligned_8
1102 localtime_r
1103 log2
1104 log2f
1105 loongson
1106 lrint
1107 lrintf
1108 lzo1x_999_compress
1109 machine_ioctl_bt848_h
1110 machine_ioctl_meteor_h
1111 malloc_h
1112 MapViewOfFile
1113 memalign
1114 mkstemp
1115 mmap
1116 poll_h
1117 posix_memalign
1118 round
1119 roundf
1120 sdl
1121 sdl_video_size
1122 setmode
1123 setrlimit
1124 sndio_h
1125 socklen_t
1126 soundcard_h
1127 strerror_r
1128 strptime
1129 strtok_r
1130 struct_addrinfo
1131 struct_ipv6_mreq
1132 struct_rusage_ru_maxrss
1133 struct_sockaddr_in6
1134 struct_sockaddr_sa_len
1135 struct_sockaddr_storage
1136 symver
1137 symver_asm_label
1138 symver_gnu_asm
1139 sys_mman_h
1140 sys_resource_h
1141 sys_select_h
1142 sys_soundcard_h
1143 sys_videoio_h
1144 threads
1145 trunc
1146 truncf
1147 vfp_args
1148 VirtualAlloc
1149 winsock2_h
1150 xform_asm
1151 xmm_clobbers
1152 yasm
1153 "
1154
1155 # options emitted with CONFIG_ prefix but not available on command line
1156 CONFIG_EXTRA="
1157 avutil
1158 gplv3
1159 lgplv3
1160 "
1161
1162 CMDLINE_SELECT="
1163 $ARCH_EXT_LIST
1164 $CONFIG_LIST
1165 $THREADS_LIST
1166 asm
1167 cross_compile
1168 debug
1169 extra_warnings
1170 logging
1171 optimizations
1172 symver
1173 yasm
1174 "
1175
1176 PATHS_LIST='
1177 bindir
1178 datadir
1179 incdir
1180 libdir
1181 mandir
1182 prefix
1183 shlibdir
1184 '
1185
1186 CMDLINE_SET="
1187 $PATHS_LIST
1188 ar
1189 arch
1190 as
1191 build_suffix
1192 cc
1193 cpu
1194 cross_prefix
1195 dep_cc
1196 extra_version
1197 host_cc
1198 host_cflags
1199 host_ldflags
1200 host_libs
1201 host_os
1202 ld
1203 logfile
1204 malloc_prefix
1205 nm
1206 optflags
1207 pkg_config
1208 samples
1209 sysinclude
1210 sysroot
1211 target_exec
1212 target_os
1213 target_path
1214 "
1215
1216 CMDLINE_APPEND="
1217 extra_cflags
1218 "
1219
1220 # code dependency declarations
1221
1222 # architecture extensions
1223
1224 armv5te_deps="arm"
1225 armv6_deps="arm"
1226 armv6t2_deps="arm"
1227 armvfp_deps="arm"
1228 iwmmxt_deps="arm"
1229 neon_deps="arm"
1230 vfpv3_deps="armvfp"
1231
1232 mmi_deps="mips"
1233
1234 altivec_deps="ppc"
1235 ppc4xx_deps="ppc"
1236
1237 vis_deps="sparc"
1238
1239 x86_64_suggest="cmov fast_cmov"
1240 amd3dnow_deps="mmx"
1241 amd3dnowext_deps="amd3dnow"
1242 mmx_deps="x86"
1243 mmx2_deps="mmx"
1244 sse_deps="mmx"
1245 ssse3_deps="sse"
1246 avx_deps="ssse3"
1247
1248 aligned_stack_if_any="ppc x86"
1249 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1250 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1251 fast_unaligned_if_any="armv6 ppc x86"
1252
1253 inline_asm_deps="!tms470"
1254 need_memalign="altivec neon sse"
1255
1256 symver_if_any="symver_asm_label symver_gnu_asm"
1257
1258 # subsystems
1259 dct_select="rdft"
1260 mdct_select="fft"
1261 rdft_select="fft"
1262 mpegaudiodsp_select="dct"
1263
1264 # decoders / encoders / hardware accelerators
1265 aac_decoder_select="mdct sinewin"
1266 aac_encoder_select="mdct sinewin"
1267 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1268 ac3_decoder_select="mdct ac3dsp ac3_parser"
1269 ac3_encoder_select="mdct ac3dsp"
1270 ac3_fixed_encoder_select="mdct ac3dsp"
1271 alac_encoder_select="lpc"
1272 amrnb_decoder_select="lsp"
1273 amrwb_decoder_select="lsp"
1274 atrac1_decoder_select="mdct sinewin"
1275 atrac3_decoder_select="mdct"
1276 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1277 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1278 cavs_decoder_select="golomb"
1279 cook_decoder_select="mdct sinewin"
1280 cscd_decoder_suggest="zlib"
1281 dca_decoder_select="mdct"
1282 dnxhd_encoder_select="aandct"
1283 dxa_decoder_select="zlib"
1284 eac3_decoder_select="ac3_decoder"
1285 eac3_encoder_select="mdct ac3dsp"
1286 eamad_decoder_select="aandct"
1287 eatgq_decoder_select="aandct"
1288 eatqi_decoder_select="aandct"
1289 ffv1_decoder_select="golomb"
1290 flac_decoder_select="golomb"
1291 flac_encoder_select="golomb lpc"
1292 flashsv_decoder_select="zlib"
1293 flashsv_encoder_select="zlib"
1294 flashsv2_decoder_select="zlib"
1295 flv_decoder_select="h263_decoder"
1296 flv_encoder_select="h263_encoder"
1297 fraps_decoder_select="huffman"
1298 h261_encoder_select="aandct"
1299 h263_decoder_select="h263_parser"
1300 h263_encoder_select="aandct"
1301 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1302 h263i_decoder_select="h263_decoder"
1303 h263p_encoder_select="h263_encoder"
1304 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1305 h264_dxva2_hwaccel_deps="dxva2api_h"
1306 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1307 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1308 h264_vda_hwaccel_select="vda h264_decoder"
1309 h264_vdpau_decoder_select="vdpau h264_decoder"
1310 imc_decoder_select="fft mdct sinewin"
1311 jpegls_decoder_select="golomb"
1312 jpegls_encoder_select="golomb"
1313 ljpeg_encoder_select="aandct"
1314 loco_decoder_select="golomb"
1315 mjpeg_encoder_select="aandct"
1316 mlp_decoder_select="mlp_parser"
1317 mp1_decoder_select="mpegaudiodsp"
1318 mp1float_decoder_select="mpegaudiodsp"
1319 mp2_decoder_select="mpegaudiodsp"
1320 mp2float_decoder_select="mpegaudiodsp"
1321 mp3_decoder_select="mpegaudiodsp"
1322 mp3adu_decoder_select="mpegaudiodsp"
1323 mp3adufloat_decoder_select="mpegaudiodsp"
1324 mp3float_decoder_select="mpegaudiodsp"
1325 mp3on4_decoder_select="mpegaudiodsp"
1326 mp3on4float_decoder_select="mpegaudiodsp"
1327 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1328 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1329 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1330 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1331 mpeg1video_encoder_select="aandct"
1332 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1333 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1334 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1335 mpeg2video_encoder_select="aandct"
1336 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1337 mpeg4_encoder_select="h263_encoder"
1338 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1339 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1340 msmpeg4v1_decoder_select="h263_decoder"
1341 msmpeg4v1_encoder_select="h263_encoder"
1342 msmpeg4v2_decoder_select="h263_decoder"
1343 msmpeg4v2_encoder_select="h263_encoder"
1344 msmpeg4v3_decoder_select="h263_decoder"
1345 msmpeg4v3_encoder_select="h263_encoder"
1346 nellymoser_decoder_select="mdct sinewin"
1347 nellymoser_encoder_select="mdct sinewin"
1348 png_decoder_select="zlib"
1349 png_encoder_select="zlib"
1350 qcelp_decoder_select="lsp"
1351 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1352 ra_144_encoder_select="lpc"
1353 rv10_decoder_select="h263_decoder"
1354 rv10_encoder_select="h263_encoder"
1355 rv20_decoder_select="h263_decoder"
1356 rv20_encoder_select="h263_encoder"
1357 rv30_decoder_select="golomb h264chroma h264pred"
1358 rv40_decoder_select="golomb h264chroma h264pred"
1359 shorten_decoder_select="golomb"
1360 sipr_decoder_select="lsp"
1361 snow_decoder_select="dwt"
1362 snow_encoder_select="aandct dwt"
1363 svq1_encoder_select="aandct"
1364 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1365 svq3_decoder_suggest="zlib"
1366 theora_decoder_select="vp3_decoder"
1367 tiff_decoder_suggest="zlib"
1368 tiff_encoder_suggest="zlib"
1369 truehd_decoder_select="mlp_decoder"
1370 tscc_decoder_select="zlib"
1371 twinvq_decoder_select="mdct lsp sinewin"
1372 vc1_decoder_select="h263_decoder h264chroma"
1373 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1374 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1375 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1376 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1377 vc1image_decoder_select="vc1_decoder"
1378 vorbis_decoder_select="mdct"
1379 vorbis_encoder_select="mdct"
1380 vp6_decoder_select="huffman"
1381 vp6a_decoder_select="vp6_decoder"
1382 vp6f_decoder_select="vp6_decoder"
1383 vp8_decoder_select="h264pred"
1384 wmapro_decoder_select="mdct sinewin"
1385 wmav1_decoder_select="mdct sinewin"
1386 wmav1_encoder_select="mdct sinewin"
1387 wmav2_decoder_select="mdct sinewin"
1388 wmav2_encoder_select="mdct sinewin"
1389 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1390 wmv1_decoder_select="h263_decoder"
1391 wmv1_encoder_select="h263_encoder"
1392 wmv2_decoder_select="h263_decoder"
1393 wmv2_encoder_select="h263_encoder"
1394 wmv3_decoder_select="vc1_decoder"
1395 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1396 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1397 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1398 wmv3image_decoder_select="wmv3_decoder"
1399 zlib_decoder_select="zlib"
1400 zlib_encoder_select="zlib"
1401 zmbv_decoder_select="zlib"
1402 zmbv_encoder_select="zlib"
1403
1404 vaapi_deps="va_va_h"
1405 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1406 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1407
1408 # parsers
1409 h264_parser_select="golomb h264chroma h264dsp h264pred"
1410
1411 # external libraries
1412 libdirac_decoder_deps="libdirac !libschroedinger"
1413 libdirac_encoder_deps="libdirac"
1414 libfaac_encoder_deps="libfaac"
1415 libgsm_decoder_deps="libgsm"
1416 libgsm_encoder_deps="libgsm"
1417 libgsm_ms_decoder_deps="libgsm"
1418 libgsm_ms_encoder_deps="libgsm"
1419 libmp3lame_encoder_deps="libmp3lame"
1420 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1421 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1422 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1423 libopenjpeg_decoder_deps="libopenjpeg"
1424 libschroedinger_decoder_deps="libschroedinger"
1425 libschroedinger_encoder_deps="libschroedinger"
1426 libspeex_decoder_deps="libspeex"
1427 libspeex_encoder_deps="libspeex"
1428 libtheora_encoder_deps="libtheora"
1429 libvo_aacenc_encoder_deps="libvo_aacenc"
1430 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1431 libvorbis_encoder_deps="libvorbis"
1432 libvpx_decoder_deps="libvpx"
1433 libvpx_encoder_deps="libvpx"
1434 libx264_encoder_deps="libx264"
1435 libxavs_encoder_deps="libxavs"
1436 libxvid_encoder_deps="libxvid"
1437
1438 # demuxers / muxers
1439 ac3_demuxer_select="ac3_parser"
1440 asf_stream_muxer_select="asf_muxer"
1441 avisynth_demuxer_deps="avisynth"
1442 dirac_demuxer_select="dirac_parser"
1443 eac3_demuxer_select="ac3_parser"
1444 flac_demuxer_select="flac_parser"
1445 ipod_muxer_select="mov_muxer"
1446 libnut_demuxer_deps="libnut"
1447 libnut_muxer_deps="libnut"
1448 matroska_audio_muxer_select="matroska_muxer"
1449 matroska_demuxer_suggest="zlib bzlib"
1450 mov_demuxer_suggest="zlib"
1451 mp3_demuxer_select="mpegaudio_parser"
1452 mp4_muxer_select="mov_muxer"
1453 mpegtsraw_demuxer_select="mpegts_demuxer"
1454 mxf_d10_muxer_select="mxf_muxer"
1455 ogg_demuxer_select="golomb"
1456 psp_muxer_select="mov_muxer"
1457 rtp_demuxer_select="sdp_demuxer"
1458 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1459 rtsp_demuxer_select="http_protocol rtpdec"
1460 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1461 sap_demuxer_select="sdp_demuxer"
1462 sap_muxer_select="rtp_muxer rtp_protocol"
1463 sdp_demuxer_select="rtpdec"
1464 spdif_muxer_select="aac_parser"
1465 tg2_muxer_select="mov_muxer"
1466 tgp_muxer_select="mov_muxer"
1467 w64_demuxer_deps="wav_demuxer"
1468
1469 # indevs / outdevs
1470 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1471 alsa_outdev_deps="alsa_asoundlib_h"
1472 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1473 dv1394_indev_deps="dv1394 dv_demuxer"
1474 fbdev_indev_deps="linux_fb_h"
1475 jack_indev_deps="jack_jack_h"
1476 libcdio_indev_deps="libcdio"
1477 libdc1394_indev_deps="libdc1394"
1478 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1479 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1480 pulse_indev_deps="libpulse"
1481 sndio_indev_deps="sndio_h"
1482 sndio_outdev_deps="sndio_h"
1483 v4l_indev_deps="linux_videodev_h"
1484 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1485 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1486 vfwcap_indev_extralibs="-lavicap32"
1487 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1488 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1489
1490 # protocols
1491 gopher_protocol_deps="network"
1492 httpproxy_protocol_deps="network"
1493 httpproxy_protocol_select="tcp_protocol"
1494 http_protocol_deps="network"
1495 http_protocol_select="tcp_protocol"
1496 https_protocol_select="tls_protocol"
1497 mmsh_protocol_select="http_protocol"
1498 mmst_protocol_deps="network"
1499 rtmp_protocol_select="tcp_protocol"
1500 rtp_protocol_select="udp_protocol"
1501 tcp_protocol_deps="network"
1502 tls_protocol_deps_any="openssl gnutls"
1503 tls_protocol_select="tcp_protocol"
1504 udp_protocol_deps="network"
1505
1506 # filters
1507 blackframe_filter_deps="gpl"
1508 boxblur_filter_deps="gpl"
1509 cropdetect_filter_deps="gpl"
1510 delogo_filter_deps="gpl"
1511 drawtext_filter_deps="libfreetype"
1512 frei0r_filter_deps="frei0r dlopen strtok_r"
1513 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1514 hqdn3d_filter_deps="gpl"
1515 ocv_filter_deps="libopencv"
1516 scale_filter_deps="swscale"
1517 yadif_filter_deps="gpl"
1518
1519 # libraries
1520 avdevice_deps="avcodec avformat"
1521 avformat_deps="avcodec"
1522 postproc_deps="gpl"
1523
1524 # programs
1525 avconv_deps="avcodec avformat swscale"
1526 avconv_select="buffer_filter"
1527 avplay_deps="avcodec avformat swscale sdl"
1528 avplay_select="rdft"
1529 avprobe_deps="avcodec avformat"
1530 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1531 avserver_extralibs='$ldl'
1532 ffmpeg_deps="avcodec avformat swscale"
1533 ffmpeg_select="buffer_filter"
1534
1535 doc_deps="texi2html"
1536
1537 # tests
1538
1539 test_deps(){
1540 suf1=$1
1541 suf2=$2
1542 shift 2
1543 for v; do
1544 dep=${v%=*}
1545 tests=${v#*=}
1546 for name in ${tests}; do
1547 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1548 done
1549 done
1550 }
1551
1552 mxf_d10_test_deps="avfilter"
1553 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1554
1555 test_deps _encoder _decoder \
1556 adpcm_ima_qt \
1557 adpcm_ima_wav \
1558 adpcm_ms \
1559 adpcm_swf \
1560 adpcm_yamaha=adpcm_yam \
1561 alac \
1562 asv1 \
1563 asv2 \
1564 bmp \
1565 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1566 dvvideo="dv dv_411 dv50" \
1567 ffv1 \
1568 flac \
1569 flashsv \
1570 flv \
1571 adpcm_g726=g726 \
1572 gif \
1573 h261 \
1574 h263="h263 h263p" \
1575 huffyuv \
1576 jpegls \
1577 mjpeg="jpg mjpeg ljpeg" \
1578 mp2 \
1579 mpeg1video="mpeg mpeg1b" \
1580 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1581 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1582 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1583 mpeg4="mpeg4thread error rc" \
1584 msmpeg4v3=msmpeg4 \
1585 msmpeg4v2 \
1586 pbm=pbmpipe \
1587 pcx \
1588 pgm="pgm pgmpipe" \
1589 png \
1590 ppm="ppm ppmpipe" \
1591 rawvideo="rgb yuv" \
1592 roq \
1593 rv10 \
1594 rv20 \
1595 sgi \
1596 snow="snow snowll" \
1597 svq1 \
1598 targa=tga \
1599 tiff \
1600 wmav1 \
1601 wmav2 \
1602 wmv1 \
1603 wmv2 \
1604
1605 test_deps _muxer _demuxer \
1606 aiff \
1607 pcm_alaw=alaw \
1608 asf \
1609 au \
1610 avi \
1611 dv=dv_fmt \
1612 ffm \
1613 flv=flv_fmt \
1614 gxf \
1615 matroska=mkv \
1616 mmf \
1617 mov \
1618 pcm_mulaw=mulaw \
1619 mxf="mxf mxf_d10" \
1620 nut \
1621 ogg \
1622 rawvideo=pixfmt \
1623 rm \
1624 swf \
1625 mpegts=ts \
1626 voc \
1627 wav \
1628 yuv4mpegpipe=yuv4mpeg \
1629
1630 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1631 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1632
1633 # default parameters
1634
1635 logfile="config.log"
1636
1637 # installation paths
1638 prefix_default="/usr/local"
1639 bindir_default='${prefix}/bin'
1640 datadir_default='${prefix}/share/avconv'
1641 incdir_default='${prefix}/include'
1642 libdir_default='${prefix}/lib'
1643 mandir_default='${prefix}/share/man'
1644 shlibdir_default="$libdir_default"
1645
1646 # toolchain
1647 ar_default="ar"
1648 cc_default="gcc"
1649 cc_version=\"unknown\"
1650 host_cc_default="gcc"
1651 ln_s="ln -sf"
1652 nm_default="nm"
1653 objformat="elf"
1654 pkg_config_default=pkg-config
1655 ranlib="ranlib"
1656 yasmexe="yasm"
1657
1658 nm_opts='-g'
1659 nogas=":"
1660
1661 # machine
1662 arch_default=$(uname -m)
1663 cpu="generic"
1664
1665 # OS
1666 target_os_default=$(tolower $(uname -s))
1667 host_os=$target_os_default
1668
1669 # configurable options
1670 enable $PROGRAM_LIST
1671
1672 enable avcodec
1673 enable avdevice
1674 enable avfilter
1675 enable avformat
1676 enable avutil
1677 enable postproc
1678 enable swscale
1679
1680 enable asm
1681 enable debug
1682 enable doc
1683 enable fastdiv
1684 enable network
1685 enable optimizations
1686 enable safe_bitstream_reader
1687 enable static
1688 enable swscale_alpha
1689
1690 # build settings
1691 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1692 AVSERVERLDFLAGS=-Wl,-E
1693 LIBPREF="lib"
1694 LIBSUF=".a"
1695 FULLNAME='$(NAME)$(BUILDSUF)'
1696 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1697 SLIBPREF="lib"
1698 SLIBSUF=".so"
1699 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1700 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1701 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1702 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1703 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1704 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1705
1706 AS_O='-o $@'
1707 CC_O='-o $@'
1708
1709 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1710 host_libs='-lm'
1711
1712 target_path='$(CURDIR)'
1713
1714 # since the object filename is not given with the -MM flag, the compiler
1715 # is only able to print the basename, and we must add the path ourselves
1716 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1717 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1718
1719 # find source path
1720 if test -f configure; then
1721 source_path=.
1722 else
1723 source_path=$(cd $(dirname "$0"); pwd)
1724 echo "$source_path" | grep -q '[[:blank:]]' &&
1725 die "Out of tree builds are impossible with whitespace in source path."
1726 test -e "$source_path/config.h" &&
1727 die "Out of tree builds are impossible with config.h in source dir."
1728 fi
1729
1730 for v in "$@"; do
1731 r=${v#*=}
1732 l=${v%"$r"}
1733 r=$(sh_quote "$r")
1734 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1735 done
1736
1737 find_things(){
1738 thing=$1
1739 pattern=$2
1740 file=$source_path/$3
1741 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1742 }
1743
1744 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1745 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1746 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1747 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1748 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1749 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1750 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1751 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1752 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1753 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1754 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1755
1756 ALL_COMPONENTS="
1757 $BSF_LIST
1758 $DECODER_LIST
1759 $DEMUXER_LIST
1760 $ENCODER_LIST
1761 $FILTER_LIST
1762 $HWACCEL_LIST
1763 $INDEV_LIST
1764 $MUXER_LIST
1765 $OUTDEV_LIST
1766 $PARSER_LIST
1767 $PROTOCOL_LIST
1768 "
1769
1770 find_tests(){
1771 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1772 }
1773
1774 ACODEC_TESTS=$(find_tests acodec)
1775 VCODEC_TESTS=$(find_tests vsynth1)
1776 LAVF_TESTS=$(find_tests lavf)
1777 LAVFI_TESTS=$(find_tests lavfi)
1778 SEEK_TESTS=$(find_tests seek seek_)
1779
1780 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1781
1782 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1783
1784 for n in $COMPONENT_LIST; do
1785 v=$(toupper ${n%s})_LIST
1786 eval enable \$$v
1787 eval ${n}_if_any="\$$v"
1788 done
1789
1790 enable $ARCH_EXT_LIST $ALL_TESTS
1791
1792 die_unknown(){
1793 echo "Unknown option \"$1\"."
1794 echo "See $0 --help for available options."
1795 exit 1
1796 }
1797
1798 show_list() {
1799 suffix=_$1
1800 shift
1801 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1802 exit 0
1803 }
1804
1805 for opt do
1806 optval="${opt#*=}"
1807 case "$opt" in
1808 --extra-ldflags=*) add_ldflags $optval
1809 ;;
1810 --extra-libs=*) add_extralibs $optval
1811 ;;
1812 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1813 ;;
1814 --enable-debug=*) debuglevel="$optval"
1815 ;;
1816 --disable-everything)
1817 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1818 ;;
1819 --enable-*=*|--disable-*=*)
1820 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1821 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1822 eval list=\$$(toupper $thing)_LIST
1823 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1824 $action $(filter "$name" $list)
1825 ;;
1826 --enable-?*|--disable-?*)
1827 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1828 if is_in $option $COMPONENT_LIST; then
1829 test $action = disable && action=unset
1830 eval $action \$$(toupper ${option%s})_LIST
1831 elif is_in $option $CMDLINE_SELECT; then
1832 $action $option
1833 else
1834 die_unknown $opt
1835 fi
1836 ;;
1837 --list-*)
1838 NAME="${opt#--list-}"
1839 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1840 NAME=${NAME%s}
1841 eval show_list $NAME \$$(toupper $NAME)_LIST
1842 ;;
1843 --help|-h) show_help
1844 ;;
1845 *)
1846 optname="${opt%%=*}"
1847 optname="${optname#--}"
1848 optname=$(echo "$optname" | sed 's/-/_/g')
1849 if is_in $optname $CMDLINE_SET; then
1850 eval $optname='$optval'
1851 elif is_in $optname $CMDLINE_APPEND; then
1852 append $optname "$optval"
1853 else
1854 die_unknown $opt
1855 fi
1856 ;;
1857 esac
1858 done
1859
1860 disabled logging && logfile=/dev/null
1861
1862 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1863 set >> $logfile
1864
1865 test -n "$cross_prefix" && enable cross_compile
1866
1867 if enabled cross_compile; then
1868 test -n "$arch" && test -n "$target_os" ||
1869 die "Must specify target arch and OS when cross-compiling"
1870 fi
1871
1872 set_default arch target_os
1873
1874 ar_default="${cross_prefix}${ar_default}"
1875 cc_default="${cross_prefix}${cc_default}"
1876 nm_default="${cross_prefix}${nm_default}"
1877 pkg_config_default="${cross_prefix}${pkg_config_default}"
1878 ranlib="${cross_prefix}${ranlib}"
1879
1880 sysinclude_default="${sysroot}/usr/include"
1881
1882 set_default cc nm pkg_config sysinclude
1883 enabled cross_compile || host_cc_default=$cc
1884 set_default host_cc
1885
1886 if ! $pkg_config --version >/dev/null 2>&1; then
1887 warn "$pkg_config not found, library detection may fail."
1888 pkg_config=false
1889 fi
1890
1891 exesuf() {
1892 case $1 in
1893 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1894 esac
1895 }
1896
1897 EXESUF=$(exesuf $target_os)
1898 HOSTEXESUF=$(exesuf $host_os)
1899
1900 # set temporary file name
1901 : ${TMPDIR:=$TEMPDIR}
1902 : ${TMPDIR:=$TMP}
1903 : ${TMPDIR:=/tmp}
1904
1905 if ! check_cmd mktemp -u XXXXXX; then
1906 # simple replacement for missing mktemp
1907 # NOT SAFE FOR GENERAL USE
1908 mktemp(){
1909 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1910 }
1911 fi
1912
1913 tmpfile(){
1914 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1915 (set -C; exec > $tmp) 2>/dev/null ||
1916 die "Unable to create temporary file in $TMPDIR."
1917 append TMPFILES $tmp
1918 eval $1=$tmp
1919 }
1920
1921 trap 'rm -f -- $TMPFILES' EXIT
1922
1923 tmpfile TMPASM .asm
1924 tmpfile TMPC .c
1925 tmpfile TMPE $EXESUF
1926 tmpfile TMPH .h
1927 tmpfile TMPO .o
1928 tmpfile TMPS .S
1929 tmpfile TMPSH .sh
1930 tmpfile TMPV .ver
1931
1932 unset -f mktemp
1933
1934 chmod +x $TMPE
1935
1936 # make sure we can execute files in $TMPDIR
1937 cat > $TMPSH 2>> $logfile <<EOF
1938 #! /bin/sh
1939 EOF
1940 chmod +x $TMPSH >> $logfile 2>&1
1941 if ! $TMPSH >> $logfile 2>&1; then
1942 cat <<EOF
1943 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1944 variable to another directory and make sure that it is not mounted noexec.
1945 EOF
1946 die "Sanity test failed."
1947 fi
1948
1949 filter_asflags=echo
1950 filter_cflags=echo
1951 filter_cppflags=echo
1952
1953 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1954 cc_type=llvm_gcc
1955 cc_version=__VERSION__
1956 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1957 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1958 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1959 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1960 speed_cflags='-O3'
1961 size_cflags='-Os'
1962 elif $cc -v 2>&1 | grep -qi ^gcc; then
1963 cc_type=gcc
1964 cc_version=__VERSION__
1965 gcc_version=$($cc --version | head -n1)
1966 gcc_basever=$($cc -dumpversion)
1967 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1968 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1969 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1970 if ! $cc -dumpversion | grep -q '^2\.'; then
1971 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1972 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1973 fi
1974 speed_cflags='-O3'
1975 size_cflags='-Os'
1976 elif $cc --version 2>/dev/null | grep -q Intel; then
1977 cc_type=icc
1978 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1979 cc_ident=$($cc --version | head -n1)
1980 icc_version=$($cc -dumpversion)
1981 CC_DEPFLAGS='-MMD'
1982 AS_DEPFLAGS='-MMD'
1983 speed_cflags='-O3'
1984 size_cflags='-Os'
1985 noopt_cflags='-O1'
1986 elif $cc -v 2>&1 | grep -q xlc; then
1987 cc_type=xlc
1988 cc_version="AV_STRINGIFY(__IBMC__)"
1989 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1990 speed_cflags='-O5'
1991 size_cflags='-O5 -qcompact'
1992 elif $cc -V 2>/dev/null | grep -q Compaq; then
1993 cc_type=ccc
1994 cc_version="AV_STRINGIFY(__DECC_VER)"
1995 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1996 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1997 debuglevel=3
1998 add_ldflags -Wl,-z,now # calls to libots crash without this
1999 speed_cflags='-fast'
2000 size_cflags='-O1'
2001 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2002 test -d "$sysroot" || die "No valid sysroot specified."
2003 cc_type=armcc
2004 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2005 cc_ident=$($cc --vsn | head -n1)
2006 armcc_conf="$PWD/armcc.conf"
2007 $cc --arm_linux_configure \
2008 --arm_linux_config_file="$armcc_conf" \
2009 --configure_sysroot="$sysroot" \
2010 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2011 die "Error creating armcc configuration file."
2012 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2013 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2014 as_default="${cross_prefix}gcc"
2015 CC_DEPFLAGS='-MMD'
2016 AS_DEPFLAGS='-MMD'
2017 speed_cflags='-O3'
2018 size_cflags='-Os'
2019 filter_asflags="filter_out -W${armcc_opt}*"
2020 elif $cc -version 2>/dev/null | grep -q TMS470; then
2021 cc_type=tms470
2022 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2023 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2024 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2025 CC_O='-fr=$(@D)'
2026 as_default="${cross_prefix}gcc"
2027 ld_default="${cross_prefix}gcc"
2028 TMPO=$(basename $TMPC .c).o
2029 append TMPFILES $TMPO
2030 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2031 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2032 AS_DEPFLAGS='-MMD'
2033 speed_cflags='-O3 -mf=5'
2034 size_cflags='-O3 -mf=2'
2035 filter_cflags=tms470_flags
2036 tms470_flags(){
2037 for flag; do
2038 case $flag in
2039 -march=*|-mcpu=*)
2040 case "${flag#*=}" in
2041 armv7-a|cortex-a*) echo -mv=7a8 ;;
2042 armv7-r|cortex-r*) echo -mv=7r4 ;;
2043 armv7-m|cortex-m*) echo -mv=7m3 ;;
2044 armv6*|arm11*) echo -mv=6 ;;
2045 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2046 echo -mv=5e ;;
2047 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2048 esac
2049 ;;
2050 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2051 -mfpu=vfp) echo --float_support=vfpv2 ;;
2052 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2053 -msoft-float) echo --float_support=vfplib ;;
2054 -O[0-3]|-mf=*) echo $flag ;;
2055 -g) echo -g -mn ;;
2056 -pds=*) echo $flag ;;
2057 esac
2058 done
2059 }
2060 elif $cc -v 2>&1 | grep -q clang; then
2061 cc_type=clang
2062 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2063 cc_version=__clang_version__ || cc_version=__VERSION__
2064 cc_ident=$($cc --version | head -n1)
2065 CC_DEPFLAGS='-MMD'
2066 AS_DEPFLAGS='-MMD'
2067 speed_cflags='-O3'
2068 size_cflags='-Os'
2069 elif $cc -V 2>&1 | grep -q Sun; then
2070 cc_type=suncc
2071 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2072 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2073 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2074 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2075 add_ldflags -xc99
2076 speed_cflags='-O5'
2077 size_cflags='-O5 -xspace'
2078 filter_cflags=suncc_flags
2079 suncc_flags(){
2080 for flag; do
2081 case $flag in
2082 -march=*|-mcpu=*)
2083 case "${flag#*=}" in
2084 native) echo -xtarget=native ;;
2085 v9|niagara) echo -xarch=sparc ;;
2086 ultrasparc) echo -xarch=sparcvis ;;
2087 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2088 i586|pentium) echo -xchip=pentium ;;
2089 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2090 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2091 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2092 pentium4*) echo -xtarget=pentium4 ;;
2093 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2094 *-sse3) echo -xarch=sse3 ;;
2095 core2) echo -xarch=ssse3 -xchip=core2 ;;
2096 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2097 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2098 k8|opteron|athlon64|athlon-fx)
2099 echo -xarch=sse2a ;;
2100 athlon*) echo -xarch=pentium_proa ;;
2101 esac
2102 ;;
2103 -std=c99) echo -xc99 ;;
2104 -fomit-frame-pointer) echo -xregs=frameptr ;;
2105 -fPIC) echo -KPIC -xcode=pic32 ;;
2106 -W*,*) echo $flag ;;
2107 -f*-*|-W*) ;;
2108 *) echo $flag ;;
2109 esac
2110 done
2111 }
2112 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2113 cc_type=pathscale
2114 cc_version=__PATHSCALE__
2115 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2116 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2117 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2118 speed_cflags='-O2'
2119 size_cflags='-Os'
2120 filter_cflags='filter_out -Wdisabled-optimization'
2121 elif $cc -v 2>&1 | grep -q Open64; then
2122 cc_type=open64
2123 cc_version=__OPEN64__
2124 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2125 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2126 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2127 speed_cflags='-O2'
2128 size_cflags='-Os'
2129 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2130 fi
2131
2132 test -n "$cc_type" && enable $cc_type ||
2133 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2134
2135 : ${as_default:=$cc}
2136 : ${dep_cc_default:=$cc}
2137 : ${ld_default:=$cc}
2138 set_default ar as dep_cc ld
2139
2140 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2141 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2142
2143 add_cflags $extra_cflags
2144 add_asflags $extra_cflags
2145
2146 if test -n "$sysroot"; then
2147 case "$cc_type" in
2148 gcc|llvm_gcc|clang)
2149 add_cppflags --sysroot="$sysroot"
2150 add_ldflags --sysroot="$sysroot"
2151 ;;
2152 tms470)
2153 add_cppflags -I"$sysinclude"
2154 add_ldflags --sysroot="$sysroot"
2155 ;;
2156 esac
2157 fi
2158
2159 if test "$cpu" = host; then
2160 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2161
2162 case "$cc_type" in
2163 gcc|llvm_gcc)
2164 check_native(){
2165 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2166 sed -n "/cc1.*$1=/{
2167 s/.*$1=\\([^ ]*\\).*/\\1/
2168 p
2169 q
2170 }" $TMPE
2171 }
2172 cpu=$(check_native -march || check_native -mcpu)
2173 ;;
2174 esac
2175
2176 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2177 fi
2178
2179 # Deal with common $arch aliases
2180 case "$arch" in
2181 arm*)
2182 arch="arm"
2183 ;;
2184 mips|mipsel|IP*)
2185 arch="mips"
2186 ;;
2187 mips64*)
2188 arch="mips"
2189 subarch="mips64"
2190 ;;
2191 parisc|hppa)
2192 arch="parisc"
2193 ;;
2194 parisc64|hppa64)
2195 arch="parisc"
2196 subarch="parisc64"
2197 ;;
2198 "Power Macintosh"|ppc|powerpc)
2199 arch="ppc"
2200 ;;
2201 ppc64|powerpc64)
2202 arch="ppc"
2203 subarch="ppc64"
2204 ;;
2205 s390|s390x)
2206 arch="s390"
2207 ;;
2208 sh4|sh)
2209 arch="sh4"
2210 ;;
2211 sun4u|sparc64)
2212 arch="sparc"
2213 subarch="sparc64"
2214 ;;
2215 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2216 arch="x86"
2217 ;;
2218 esac
2219
2220 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2221 enable $arch
2222
2223 # Add processor-specific flags
2224 if test "$cpu" = generic; then
2225 : do nothing
2226 elif enabled ppc; then
2227
2228 case $(tolower $cpu) in
2229 601|ppc601|powerpc601)
2230 cpuflags="-mcpu=601"
2231 disable altivec
2232 ;;
2233 603*|ppc603*|powerpc603*)
2234 cpuflags="-mcpu=603"
2235 disable altivec
2236 ;;
2237 604*|ppc604*|powerpc604*)
2238 cpuflags="-mcpu=604"
2239 disable altivec
2240 ;;
2241 g3|75*|ppc75*|powerpc75*)
2242 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2243 disable altivec
2244 ;;
2245 g4|745*|ppc745*|powerpc745*)
2246 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2247 ;;
2248 74*|ppc74*|powerpc74*)
2249 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2250 ;;
2251 g5|970|ppc970|powerpc970|power4*)
2252 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2253 ;;
2254 cell)
2255 cpuflags="-mcpu=cell"
2256 enable ldbrx
2257 ;;
2258 e500v2)
2259 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2260 disable altivec
2261 ;;
2262 e500)
2263 cpuflags="-mcpu=8540 -mhard-float"
2264 disable altivec
2265 ;;
2266 esac
2267
2268 elif enabled x86; then
2269
2270 case $cpu in
2271 i[345]86|pentium)
2272 cpuflags="-march=$cpu"
2273 disable mmx
2274 ;;
2275 # targets that do NOT support conditional mov (cmov)
2276 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2277 cpuflags="-march=$cpu"
2278 disable cmov
2279 ;;
2280 # targets that do support conditional mov (cmov)
2281 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2282 cpuflags="-march=$cpu"
2283 enable cmov
2284 enable fast_cmov
2285 ;;
2286 # targets that do support conditional mov but on which it's slow
2287 pentium4|pentium4m|prescott|nocona)
2288 cpuflags="-march=$cpu"
2289 enable cmov
2290 disable fast_cmov
2291 ;;
2292 esac
2293
2294 elif enabled sparc; then
2295
2296 case $cpu in
2297 niagara)
2298 cpuflags="-mcpu=$cpu"
2299 disable vis
2300 ;;
2301 sparc64)
2302 cpuflags="-mcpu=v9"
2303 ;;
2304 esac
2305
2306 elif enabled arm; then
2307
2308 case $cpu in
2309 armv*)
2310 cpuflags="-march=$cpu"
2311 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2312 ;;
2313 *)
2314 cpuflags="-mcpu=$cpu"
2315 case $cpu in
2316 cortex-a*) subarch=armv7a ;;
2317 cortex-r*) subarch=armv7r ;;
2318 cortex-m*) enable thumb; subarch=armv7m ;;
2319 arm11*) subarch=armv6 ;;
2320 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2321 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2322 esac
2323 ;;
2324 esac
2325
2326 elif enabled alpha; then
2327
2328 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2329
2330 elif enabled bfin; then
2331
2332 cpuflags="-mcpu=$cpu"
2333
2334 elif enabled mips; then
2335
2336 cpuflags="-march=$cpu"
2337
2338 elif enabled avr32; then
2339
2340 case $cpu in
2341 ap7[02]0[0-2])
2342 subarch="avr32_ap"
2343 cpuflags="-mpart=$cpu"
2344 ;;
2345 ap)
2346 subarch="avr32_ap"
2347 cpuflags="-march=$cpu"
2348 ;;
2349 uc3[ab]*)
2350 subarch="avr32_uc"
2351 cpuflags="-mcpu=$cpu"
2352 ;;
2353 uc)
2354 subarch="avr32_uc"
2355 cpuflags="-march=$cpu"
2356 ;;
2357 esac
2358
2359 fi
2360
2361 add_cflags $cpuflags
2362 add_asflags $cpuflags
2363
2364 # compiler sanity check
2365 check_exec <<EOF
2366 int main(void){ return 0; }
2367 EOF
2368 if test "$?" != 0; then
2369 echo "$cc is unable to create an executable file."
2370 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2371 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2372 echo "Only do this if you know what cross compiling means."
2373 fi
2374 die "C compiler test failed."
2375 fi
2376
2377 add_cppflags -D_ISOC99_SOURCE
2378 check_cflags -std=c99
2379 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2380 #include <stdlib.h>
2381 EOF
2382 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2383 #include <stdlib.h>
2384 EOF
2385
2386 check_host_cflags -std=c99
2387 check_host_cflags -Wall
2388
2389 case "$arch" in
2390 alpha|ia64|mips|parisc|sparc)
2391 spic=$shared
2392 ;;
2393 x86)
2394 subarch="x86_32"
2395 check_cc <<EOF && subarch="x86_64"
2396 int test[(int)sizeof(char*) - 7];
2397 EOF
2398 if test "$subarch" = "x86_64"; then
2399 spic=$shared
2400 fi
2401 ;;
2402 esac
2403
2404 enable $subarch
2405 enabled spic && enable pic
2406
2407 # OS specific
2408 case $target_os in
2409 haiku)
2410 prefix_default="/boot/common"
2411 network_extralibs="-lnetwork"
2412 host_libs=
2413 ;;
2414 sunos)
2415 AVSERVERLDFLAGS=""
2416 SHFLAGS='-shared -Wl,-h,$$(@F)'
2417 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2418 network_extralibs="-lsocket -lnsl"
2419 add_cppflags -D__EXTENSIONS__
2420 # When using suncc to build, the Solaris linker will mark
2421 # an executable with each instruction set encountered by
2422 # the Solaris assembler. As our libraries contain their own
2423 # guards for processor-specific code, instead suppress
2424 # generation of the HWCAPS ELF section on Solaris x86 only.
2425 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2426 nm_opts='-P -g'
2427 ;;
2428 netbsd)
2429 disable symver
2430 oss_indev_extralibs="-lossaudio"
2431 oss_outdev_extralibs="-lossaudio"
2432 ;;
2433 openbsd)
2434 enable malloc_aligned
2435 # On OpenBSD 4.5. the compiler does not use PIC unless
2436 # explicitly using -fPIC. Libav builds fine without PIC,
2437 # however the generated executable will not do anything
2438 # (simply quits with exit-code 1, no crash, no output).
2439 # Thus explicitly enable PIC here.
2440 enable pic
2441 disable symver
2442 SHFLAGS='-shared'
2443 oss_indev_extralibs="-lossaudio"
2444 oss_outdev_extralibs="-lossaudio"
2445 ;;
2446 dragonfly)
2447 enable malloc_aligned
2448 disable symver
2449 ;;
2450 freebsd)
2451 enable malloc_aligned
2452 ;;
2453 bsd/os)
2454 add_extralibs -lpoll -lgnugetopt
2455 ;;
2456 darwin)
2457 enable malloc_aligned
2458 gas="gas-preprocessor.pl $cc"
2459 enabled ppc && add_asflags -force_cpusubtype_ALL
2460 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2461 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2462 add_ldflags -Wl,-dynamic,-search_paths_first
2463 SLIBSUF=".dylib"
2464 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2465 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2466 AVSERVERLDFLAGS=-Wl,-bind_at_load
2467 objformat="macho"
2468 enabled x86_64 && objformat="macho64"
2469 enabled_any pic shared ||
2470 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2471 ;;
2472 mingw32*)
2473 if test $target_os = "mingw32ce"; then
2474 disable network
2475 else
2476 target_os=mingw32
2477 fi
2478 LIBTARGET=i386
2479 if enabled x86_64; then
2480 enable malloc_aligned
2481 LIBTARGET="i386:x86-64"
2482 elif enabled arm; then
2483 LIBTARGET=arm-wince
2484 fi
2485 shlibdir_default="$bindir_default"
2486 SLIBPREF=""
2487 SLIBSUF=".dll"
2488 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2489 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2490 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2491 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2492 SLIB_INSTALL_LINKS=
2493 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2494 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2495 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'
2496 objformat="win32"
2497 dlltool="${cross_prefix}dlltool"
2498 enable dos_paths
2499 check_cflags -fno-common
2500 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2501 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2502 die "ERROR: MinGW runtime version must be >= 3.15."
2503 add_cppflags -U__STRICT_ANSI__
2504 ;;
2505 cygwin*)
2506 target_os=cygwin
2507 shlibdir_default="$bindir_default"
2508 SLIBPREF="cyg"
2509 SLIBSUF=".dll"
2510 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2511 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2512 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2513 objformat="win32"
2514 enable dos_paths
2515 check_cflags -fno-common
2516 add_cppflags -U__STRICT_ANSI__
2517 ;;
2518 *-dos|freedos|opendos)
2519 network_extralibs="-lsocket"
2520 objformat="coff"
2521 enable dos_paths
2522 add_cppflags -U__STRICT_ANSI__
2523 ;;
2524 linux)
2525 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2526 enable dv1394
2527 ;;
2528 irix*)
2529 target_os=irix
2530 ranlib="echo ignoring ranlib"
2531 ;;
2532 os/2*)
2533 ln_s="cp -f"
2534 objformat="aout"
2535 add_cppflags -D_GNU_SOURCE
2536 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2537 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2538 AVSERVERLDFLAGS=""
2539 LIBSUF="_s.a"
2540 SLIBPREF=""
2541 SLIBSUF=".dll"
2542 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2543 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2544 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2545 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2546 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2547 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2548 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2549 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2550 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2551 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2552 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2553 enable dos_paths
2554 ;;
2555 gnu/kfreebsd)
2556 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2557 ;;
2558 gnu)
2559 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2560 ;;
2561 qnx)
2562 add_cppflags -D_QNX_SOURCE
2563 network_extralibs="-lsocket"
2564 ;;
2565 symbian)
2566 SLIBSUF=".dll"
2567 enable dos_paths
2568 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2569 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2570 add_ldflags -Wl,--target1-abs,--no-undefined \
2571 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2572 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2573 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2574 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2575 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2576 ;;
2577 none)
2578 ;;
2579 *)
2580 die "Unknown OS '$target_os'."
2581 ;;
2582 esac
2583
2584 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2585
2586 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2587
2588 set_default $PATHS_LIST
2589
2590 # we need to build at least one lib type
2591 if ! enabled_any static shared; then
2592 cat <<EOF
2593 At least one library type must be built.
2594 Specify --enable-static to build the static libraries or --enable-shared to
2595 build the shared libraries as well. To only build the shared libraries specify
2596 --disable-static in addition to --enable-shared.
2597 EOF
2598 exit 1;
2599 fi
2600
2601 die_license_disabled() {
2602 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2603 }
2604
2605 die_license_disabled gpl libcdio
2606 die_license_disabled gpl libx264
2607 die_license_disabled gpl libxavs
2608 die_license_disabled gpl libxvid
2609 die_license_disabled gpl x11grab
2610
2611 die_license_disabled nonfree libfaac
2612 die_license_disabled nonfree openssl
2613
2614 die_license_disabled version3 libopencore_amrnb
2615 die_license_disabled version3 libopencore_amrwb
2616 die_license_disabled version3 libvo_aacenc
2617 die_license_disabled version3 libvo_amrwbenc
2618
2619 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2620
2621 disabled optimizations || check_cflags -fomit-frame-pointer
2622
2623 enable_pic() {
2624 enable pic
2625 add_cppflags -DPIC
2626 add_cflags -fPIC
2627 add_asflags -fPIC
2628 }
2629
2630 enabled pic && enable_pic
2631
2632 check_cc <<EOF || die "Symbol mangling check failed."
2633 int ff_extern;
2634 EOF
2635 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2636 extern_prefix=${sym%%ff_extern*}
2637
2638 check_cc <<EOF && enable inline_asm
2639 void foo(void) { __asm__ volatile ("" ::); }
2640 EOF
2641
2642 _restrict=
2643 for restrict_keyword in restrict __restrict__ __restrict; do
2644 check_cc <<EOF && _restrict=$restrict_keyword && break
2645 void foo(char * $restrict_keyword p);
2646 EOF
2647 done
2648
2649 check_cc <<EOF && enable attribute_packed
2650 struct { int x; } __attribute__((packed)) x;
2651 EOF
2652
2653 check_cc <<EOF && enable attribute_may_alias
2654 union { int x; } __attribute__((may_alias)) x;
2655 EOF
2656
2657 check_cc <<EOF || die "endian test failed"
2658 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2659 EOF
2660 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2661
2662 if enabled alpha; then
2663
2664 check_cflags -mieee
2665
2666 elif enabled arm; then
2667
2668 enabled thumb && check_cflags -mthumb || check_cflags -marm
2669 nogas=die
2670
2671 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2672 enable vfp_args
2673 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2674 case "${cross_prefix:-$cc}" in
2675 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2676 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2677 __asm__ (".eabi_attribute 28, 1");
2678 int main(void) { return 0; }
2679 EOF
2680 esac
2681 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2682 fi
2683
2684 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2685 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2686 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2687 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2688 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2689 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2690 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2691
2692 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2693
2694 enabled_all armv6t2 shared !pic && enable_pic
2695
2696 elif enabled mips; then
2697
2698 check_asm loongson '"dmult.g $1, $2, $3"'
2699 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2700
2701 elif enabled ppc; then
2702
2703 enable local_aligned_8 local_aligned_16
2704
2705 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2706 check_asm ibm_asm '"add 0, 0, 0"'
2707 check_asm ppc4xx '"maclhw r10, r11, r12"'
2708 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2709
2710 # AltiVec flags: The FSF version of GCC differs from the Apple version
2711 if enabled altivec; then
2712 nogas=warn
2713 check_cflags -maltivec -mabi=altivec &&
2714 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2715 check_cflags -faltivec
2716
2717 # check if our compiler supports Motorola AltiVec C API
2718 check_cc <<EOF || disable altivec
2719 $inc_altivec_h
2720 int main(void) {
2721 vector signed int v1, v2, v3;
2722 v1 = vec_add(v2,v3);
2723 return 0;
2724 }
2725 EOF
2726
2727 # check if our compiler supports braces for vector declarations
2728 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2729 $inc_altivec_h
2730 int main (void) { (vector int) {1}; return 0; }
2731 EOF
2732 fi
2733
2734 elif enabled sparc; then
2735
2736 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2737 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2738
2739 elif enabled x86; then
2740
2741 enable local_aligned_8 local_aligned_16
2742
2743 # check whether EBP is available on x86
2744 # As 'i' is stored on the stack, this program will crash
2745 # if the base pointer is used to access it because the
2746 # base pointer is cleared in the inline assembly code.
2747 check_exec_crash <<EOF && enable ebp_available
2748 volatile int i=0;
2749 __asm__ volatile (
2750 "xorl %%ebp, %%ebp"
2751 ::: "%ebp");
2752 return i;
2753 EOF
2754
2755 # check whether EBX is available on x86
2756 check_asm ebx_available '""::"b"(0)' &&
2757 check_asm ebx_available '"":::"%ebx"'
2758
2759 # check whether xmm clobbers are supported
2760 check_asm xmm_clobbers '"":::"%xmm0"'
2761
2762 # check whether binutils is new enough to compile SSSE3/MMX2
2763 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2764 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2765
2766 if ! disabled_any asm mmx yasm; then
2767 if check_cmd $yasmexe --version; then
2768 enabled x86_64 && yasm_extra="-m amd64"
2769 yasm_debug="-g dwarf2"
2770 elif check_cmd nasm -v; then
2771 yasmexe=nasm
2772 yasm_debug="-g -F dwarf"
2773 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2774 fi
2775
2776 YASMFLAGS="-f $objformat $yasm_extra"
2777 enabled pic && append YASMFLAGS "-DPIC"
2778 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2779 case "$objformat" in
2780 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2781 esac
2782
2783 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2784 die "yasm not found, use --disable-yasm for a crippled build"
2785 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2786 fi
2787
2788 case "$cpu" in
2789 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2790 disable fast_clz
2791 ;;
2792 esac
2793
2794 fi
2795
2796 if enabled asm; then
2797 as=${gas:=$as}
2798 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2799 $nogas "GNU assembler not found, install gas-preprocessor"
2800 fi
2801
2802 check_ldflags -Wl,--as-needed
2803
2804 if check_func dlopen; then
2805 ldl=
2806 elif check_func dlopen -ldl; then
2807 ldl=-ldl
2808 fi
2809
2810 if enabled network; then
2811 check_type "sys/types.h sys/socket.h" socklen_t
2812 check_type netdb.h "struct addrinfo"
2813 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2814 check_type netinet/in.h "struct sockaddr_in6"
2815 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2816 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2817 # Prefer arpa/inet.h over winsock2
2818 if check_header arpa/inet.h ; then
2819 check_func closesocket
2820 elif check_header winsock2.h ; then
2821 check_func_headers winsock2.h closesocket -lws2 && \
2822 network_extralibs="-lws2" || \
2823 { check_func_headers winsock2.h closesocket -lws2_32 && \
2824 network_extralibs="-lws2_32"; }
2825 check_type ws2tcpip.h socklen_t
2826 check_type ws2tcpip.h "struct addrinfo"
2827 check_type ws2tcpip.h "struct ipv6_mreq"
2828 check_type ws2tcpip.h "struct sockaddr_in6"
2829 check_type ws2tcpip.h "struct sockaddr_storage"
2830 check_struct winsock2.h "struct sockaddr" sa_len
2831 else
2832 disable network
2833 fi
2834 fi
2835
2836 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2837 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2838
2839 check_func fcntl
2840 check_func fork
2841 check_func getaddrinfo $network_extralibs
2842 check_func gethrtime
2843 check_func getrusage
2844 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2845 check_func inet_aton $network_extralibs
2846 check_func isatty
2847 check_func localtime_r
2848 check_func ${malloc_prefix}memalign && enable memalign
2849 check_func mkstemp
2850 check_func mmap
2851 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2852 check_func setrlimit
2853 check_func strerror_r
2854 check_func strptime
2855 check_func strtok_r
2856 check_func_headers io.h setmode
2857 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2858 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2859 check_func_headers windows.h GetProcessTimes
2860 check_func_headers windows.h MapViewOfFile
2861 check_func_headers windows.h VirtualAlloc
2862
2863 check_header dlfcn.h
2864 check_header dxva2api.h
2865 check_header malloc.h
2866 check_header poll.h
2867 check_header sys/mman.h
2868 check_header sys/resource.h
2869 check_header sys/select.h
2870 check_header vdpau/vdpau.h
2871 check_header vdpau/vdpau_x11.h
2872 check_header X11/extensions/XvMClib.h
2873
2874 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2875
2876 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2877 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2878
2879 if ! disabled w32threads && ! enabled pthreads; then
2880 check_func _beginthreadex && enable w32threads
2881 fi
2882
2883 # check for some common methods of building with pthread support
2884 # do this before the optional library checks as some of them require pthreads
2885 if ! disabled pthreads && ! enabled w32threads; then
2886 enable pthreads
2887 if check_func pthread_create; then
2888 :
2889 elif check_func pthread_create -pthread; then
2890 add_cflags -pthread
2891 add_extralibs -pthread
2892 elif check_func pthread_create -pthreads; then
2893 add_cflags -pthreads
2894 add_extralibs -pthreads
2895 elif check_func pthread_create -lpthreadGC2; then
2896 add_extralibs -lpthreadGC2
2897 elif ! check_lib pthread.h pthread_create -lpthread; then
2898 disable pthreads
2899 fi
2900 fi
2901
2902 for thread in $THREADS_LIST; do
2903 if enabled $thread; then
2904 test -n "$thread_type" &&
2905 die "ERROR: Only one thread type must be selected." ||
2906 thread_type="$thread"
2907 fi
2908 done
2909
2910 check_lib math.h sin -lm && LIBM="-lm"
2911 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2912
2913 check_mathfunc exp2
2914 check_mathfunc exp2f
2915 check_mathfunc llrint
2916 check_mathfunc llrintf
2917 check_mathfunc log2
2918 check_mathfunc log2f
2919 check_mathfunc lrint
2920 check_mathfunc lrintf
2921 check_mathfunc round
2922 check_mathfunc roundf
2923 check_mathfunc trunc
2924 check_mathfunc truncf
2925
2926 # these are off by default, so fail if requested and not available
2927 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2928 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2929 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2930 enabled libdirac && require_pkg_config dirac \
2931 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2932 "dirac_decoder_init dirac_encoder_init"
2933 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2934 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2935 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2936 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2937 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2938 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2939 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2940 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2941 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2942 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2943 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2944 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2945 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2946 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2947 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2948 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2949 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2950 enabled libvpx && {
2951 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2952 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2953 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2954 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2955 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2956 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2957 die "ERROR: libx264 version must be >= 0.118."; }
2958 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2959 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2960 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2961 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2962 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2963 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2964 die "ERROR: openssl not found"; }
2965
2966 # libdc1394 check
2967 if enabled libdc1394; then
2968 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2969 enable libdc1394_2; } ||
2970 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2971 enable libdc1394_1; } ||
2972 die "ERROR: No version of libdc1394 found "
2973 fi
2974
2975 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2976 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2977 enable sdl &&
2978 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2979 fi
2980
2981 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2982
2983 check_header linux/fb.h
2984 check_header linux/videodev.h
2985 check_header linux/videodev2.h
2986 check_header sys/videoio.h
2987
2988 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2989 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2990 # w32api 3.12 had it defined wrong
2991 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2992
2993 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2994 { check_header dev/bktr/ioctl_meteor.h &&
2995 check_header dev/bktr/ioctl_bt848.h; } ||
2996 { check_header machine/ioctl_meteor.h &&
2997 check_header machine/ioctl_bt848.h; } ||
2998 { check_header dev/video/meteor/ioctl_meteor.h &&
2999 check_header dev/video/bktr/ioctl_bt848.h; } ||
3000 check_header dev/ic/bt8xx.h
3001
3002 check_header sndio.h
3003 check_header sys/soundcard.h
3004 check_header soundcard.h
3005
3006 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3007
3008 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3009
3010 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3011
3012 enabled libcdio &&
3013 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3014
3015 enabled x11grab &&
3016 check_header X11/Xlib.h &&
3017 check_header X11/extensions/XShm.h &&
3018 check_header X11/extensions/Xfixes.h &&
3019 check_func XOpenDisplay -lX11 &&
3020 check_func XShmCreateImage -lX11 -lXext &&
3021 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3022
3023 # check for VDA header
3024 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3025 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3026 fi
3027
3028 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3029 check_cpp_condition \
3030 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3031 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3032 disable vdpau; }
3033 fi
3034
3035 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3036
3037 # add some useful compiler flags if supported
3038 check_cflags -Wdeclaration-after-statement
3039 check_cflags -Wall
3040 check_cflags -Wno-parentheses
3041 check_cflags -Wno-switch
3042 check_cflags -Wno-format-zero-length
3043 check_cflags -Wdisabled-optimization
3044 check_cflags -Wpointer-arith
3045 check_cflags -Wredundant-decls
3046 check_cflags -Wno-pointer-sign
3047 check_cflags -Wcast-qual
3048 check_cflags -Wwrite-strings
3049 check_cflags -Wtype-limits
3050 check_cflags -Wundef
3051 check_cflags -Wmissing-prototypes
3052 check_cflags -Wstrict-prototypes
3053 enabled extra_warnings && check_cflags -Winline
3054
3055 # add some linker flags
3056 check_ldflags -Wl,--warn-common
3057 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3058 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3059
3060 echo "X{};" > $TMPV
3061 if test_ldflags -Wl,--version-script,$TMPV; then
3062 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3063 check_cc <<EOF && enable symver_asm_label
3064 void ff_foo(void) __asm__ ("av_foo@VERSION");
3065 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3066 EOF
3067 check_cc <<EOF && enable symver_gnu_asm
3068 __asm__(".symver ff_foo,av_foo@VERSION");
3069 void ff_foo(void) {}
3070 EOF
3071 fi
3072
3073 if [ -n "$optflags" ]; then
3074 add_cflags $optflags
3075 elif enabled small; then
3076 add_cflags $size_cflags
3077 elif enabled optimizations; then
3078 add_cflags $speed_cflags
3079 else
3080 add_cflags $noopt_cflags
3081 fi
3082 check_cflags -fno-math-errno
3083 check_cflags -fno-signed-zeros
3084
3085 if enabled icc; then
3086 # Just warnings, no remarks
3087 check_cflags -w1
3088 # -wd: Disable following warnings
3089 # 144, 167, 556: -Wno-pointer-sign
3090 # 1292: attribute "foo" ignored
3091 # 10006: ignoring unknown option -fno-signed-zeros
3092 # 10148: ignoring unknown option -Wno-parentheses
3093 # 10156: ignoring option '-W'; no argument required
3094 check_cflags -wd144,167,556,1292,10006,10148,10156
3095 # 11030: Warning unknown option --as-needed
3096 # 10156: ignoring option '-export'; no argument required
3097 check_ldflags -wd10156,11030
3098 # Allow to compile with optimizations
3099 check_ldflags -march=$cpu
3100 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3101 enable ebp_available
3102 if enabled x86_32; then
3103 test ${icc_version%%.*} -ge 11 && \
3104 check_cflags -falign-stack=maintain-16-byte || \
3105 disable aligned_stack
3106 fi
3107 elif enabled ccc; then
3108 # disable some annoying warnings
3109 add_cflags -msg_disable cvtu32to64
3110 add_cflags -msg_disable embedcomment
3111 add_cflags -msg_disable needconstext
3112 add_cflags -msg_disable nomainieee
3113 add_cflags -msg_disable ptrmismatch1
3114 add_cflags -msg_disable unreachcode
3115 elif enabled gcc; then
3116 check_cflags -fno-tree-vectorize
3117 check_cflags -Werror=implicit-function-declaration
3118 check_cflags -Werror=missing-prototypes
3119 elif enabled llvm_gcc; then
3120 check_cflags -mllvm -stack-alignment=16
3121 elif enabled clang; then
3122 check_cflags -mllvm -stack-alignment=16
3123 check_cflags -Qunused-arguments
3124 elif enabled armcc; then
3125 # 2523: use of inline assembler is deprecated
3126 add_cflags -W${armcc_opt},--diag_suppress=2523
3127 add_cflags -W${armcc_opt},--diag_suppress=1207
3128 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3129 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3130 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3131 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3132 elif enabled tms470; then
3133 add_cflags -pds=824 -pds=837
3134 elif enabled pathscale; then
3135 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3136 fi
3137
3138 enabled_any $THREADS_LIST && enable threads
3139
3140 check_deps $CONFIG_LIST \
3141 $CONFIG_EXTRA \
3142 $HAVE_LIST \
3143 $ALL_COMPONENTS \
3144 $ALL_TESTS \
3145
3146 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3147
3148 ! enabled_any memalign posix_memalign malloc_aligned &&
3149 enabled_any $need_memalign && enable memalign_hack
3150
3151 echo "install prefix $prefix"
3152 echo "source path $source_path"
3153 echo "C compiler $cc"
3154 echo "ARCH $arch ($cpu)"
3155 if test "$build_suffix" != ""; then
3156 echo "build suffix $build_suffix"
3157 fi
3158 if test "$extra_version" != ""; then
3159 echo "version string suffix $extra_version"
3160 fi
3161 echo "big-endian ${bigendian-no}"
3162 echo "runtime cpu detection ${runtime_cpudetect-no}"
3163 if enabled x86; then
3164 echo "${yasmexe} ${yasm-no}"
3165 echo "MMX enabled ${mmx-no}"
3166 echo "MMX2 enabled ${mmx2-no}"
3167 echo "3DNow! enabled ${amd3dnow-no}"
3168 echo "3DNow! extended enabled ${amd3dnowext-no}"
3169 echo "SSE enabled ${sse-no}"
3170 echo "SSSE3 enabled ${ssse3-no}"
3171 echo "AVX enabled ${avx-no}"
3172 echo "CMOV enabled ${cmov-no}"
3173 echo "CMOV is fast ${fast_cmov-no}"
3174 echo "EBX available ${ebx_available-no}"
3175 echo "EBP available ${ebp_available-no}"
3176 fi
3177 if enabled arm; then
3178 echo "ARMv5TE enabled ${armv5te-no}"
3179 echo "ARMv6 enabled ${armv6-no}"
3180 echo "ARMv6T2 enabled ${armv6t2-no}"
3181 echo "ARM VFP enabled ${armvfp-no}"
3182 echo "IWMMXT enabled ${iwmmxt-no}"
3183 echo "NEON enabled ${neon-no}"
3184 fi
3185 if enabled mips; then
3186 echo "MMI enabled ${mmi-no}"
3187 fi
3188 if enabled ppc; then
3189 echo "AltiVec enabled ${altivec-no}"
3190 echo "PPC 4xx optimizations ${ppc4xx-no}"
3191 echo "dcbzl available ${dcbzl-no}"
3192 fi
3193 if enabled sparc; then
3194 echo "VIS enabled ${vis-no}"
3195 fi
3196 echo "debug symbols ${debug-no}"
3197 echo "optimize for size ${small-no}"
3198 echo "optimizations ${optimizations-no}"
3199 echo "static ${static-no}"
3200 echo "shared ${shared-no}"
3201 echo "postprocessing support ${postproc-no}"
3202 echo "new filter support ${avfilter-no}"
3203 echo "network support ${network-no}"
3204 echo "threading support ${thread_type-no}"
3205 echo "SDL support ${sdl-no}"
3206 echo "Sun medialib support ${mlib-no}"
3207 echo "libdxva2 enabled ${dxva2-no}"
3208 echo "libva enabled ${vaapi-no}"
3209 echo "libvdpau enabled ${vdpau-no}"
3210 echo "AVISynth enabled ${avisynth-no}"
3211 echo "frei0r enabled ${frei0r-no}"
3212 echo "gnutls enabled ${gnutls-no}"
3213 echo "libcdio support ${libcdio-no}"
3214 echo "libdc1394 support ${libdc1394-no}"
3215 echo "libdirac enabled ${libdirac-no}"
3216 echo "libfaac enabled ${libfaac-no}"
3217 echo "libgsm enabled ${libgsm-no}"
3218 echo "libmp3lame enabled ${libmp3lame-no}"
3219 echo "libnut enabled ${libnut-no}"
3220 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3221 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3222 echo "libopencv support ${libopencv-no}"
3223 echo "libopenjpeg enabled ${libopenjpeg-no}"
3224 echo "libpulse enabled ${libpulse-no}"
3225 echo "librtmp enabled ${librtmp-no}"
3226 echo "libschroedinger enabled ${libschroedinger-no}"
3227 echo "libspeex enabled ${libspeex-no}"
3228 echo "libtheora enabled ${libtheora-no}"
3229 echo "libvo-aacenc support ${libvo_aacenc-no}"
3230 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3231 echo "libvorbis enabled ${libvorbis-no}"
3232 echo "libvpx enabled ${libvpx-no}"
3233 echo "libx264 enabled ${libx264-no}"
3234 echo "libxavs enabled ${libxavs-no}"
3235 echo "libxvid enabled ${libxvid-no}"
3236 echo "openssl enabled ${openssl-no}"
3237 echo "zlib enabled ${zlib-no}"
3238 echo "bzlib enabled ${bzlib-no}"
3239 echo
3240
3241 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3242 echo "Enabled ${type}s:"
3243 eval list=\$$(toupper $type)_LIST
3244 print_enabled '_*' $list | sort | pr -r -3 -t
3245 echo
3246 done
3247
3248 license="LGPL version 2.1 or later"
3249 if enabled nonfree; then
3250 license="nonfree and unredistributable"
3251 elif enabled gplv3; then
3252 license="GPL version 3 or later"
3253 elif enabled lgplv3; then
3254 license="LGPL version 3 or later"
3255 elif enabled gpl; then
3256 license="GPL version 2 or later"
3257 fi
3258
3259 echo "License: $license"
3260
3261 echo "Creating config.mak and config.h..."
3262
3263 test -e Makefile || $ln_s "$source_path/Makefile" .
3264
3265 config_files="$TMPH config.mak"
3266
3267 cat > config.mak <<EOF
3268 # Automatically generated by configure - do not modify!
3269 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3270 prefix=$prefix
3271 LIBDIR=\$(DESTDIR)$libdir
3272 SHLIBDIR=\$(DESTDIR)$shlibdir
3273 INCDIR=\$(DESTDIR)$incdir
3274 BINDIR=\$(DESTDIR)$bindir
3275 DATADIR=\$(DESTDIR)$datadir
3276 MANDIR=\$(DESTDIR)$mandir
3277 SRC_PATH=$source_path
3278 CC_IDENT=$cc_ident
3279 ARCH=$arch
3280 CC=$cc
3281 AS=$as
3282 LD=$ld
3283 DEPCC=$dep_cc
3284 YASM=$yasmexe
3285 YASMDEP=$yasmexe
3286 AR=$ar
3287 RANLIB=$ranlib
3288 LN_S=$ln_s
3289 CPPFLAGS=$CPPFLAGS
3290 CFLAGS=$CFLAGS
3291 ASFLAGS=$ASFLAGS
3292 AS_O=$CC_O
3293 CC_O=$CC_O
3294 DLLTOOL=$dlltool
3295 LDFLAGS=$LDFLAGS
3296 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3297 SHFLAGS=$SHFLAGS
3298 YASMFLAGS=$YASMFLAGS
3299 BUILDSUF=$build_suffix
3300 FULLNAME=$FULLNAME
3301 LIBPREF=$LIBPREF
3302 LIBSUF=$LIBSUF
3303 LIBNAME=$LIBNAME
3304 SLIBPREF=$SLIBPREF
3305 SLIBSUF=$SLIBSUF
3306 EXESUF=$EXESUF
3307 EXTRA_VERSION=$extra_version
3308 DEPFLAGS=$DEPFLAGS
3309 CCDEP=$CCDEP
3310 ASDEP=$ASDEP
3311 CC_DEPFLAGS=$CC_DEPFLAGS
3312 AS_DEPFLAGS=$AS_DEPFLAGS
3313 HOSTCC=$host_cc
3314 HOSTCFLAGS=$host_cflags
3315 HOSTEXESUF=$HOSTEXESUF
3316 HOSTLDFLAGS=$host_ldflags
3317 HOSTLIBS=$host_libs
3318 TARGET_EXEC=$target_exec
3319 TARGET_PATH=$target_path
3320 SDL_LIBS=$sdl_libs
3321 SDL_CFLAGS=$sdl_cflags
3322 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3323 EXTRALIBS=$extralibs
3324 INSTALL=install
3325 LIBTARGET=${LIBTARGET}
3326 SLIBNAME=${SLIBNAME}
3327 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3328 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3329 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3330 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3331 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3332 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3333 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3334 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3335 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3336 EOF
3337
3338 get_version(){
3339 name=$1
3340 file=$source_path/$2
3341 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3342 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3343 lcname=$(tolower $name)
3344 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3345 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3346 }
3347
3348 get_version LIBAVCODEC libavcodec/version.h
3349 get_version LIBAVDEVICE libavdevice/avdevice.h
3350 get_version LIBAVFILTER libavfilter/avfilter.h
3351 get_version LIBAVFORMAT libavformat/version.h
3352 get_version LIBAVUTIL libavutil/avutil.h
3353 get_version LIBPOSTPROC libpostproc/postprocess.h
3354 get_version LIBSWSCALE libswscale/swscale.h
3355
3356 cat > $TMPH <<EOF
3357 /* Automatically generated by configure - do not modify! */
3358 #ifndef LIBAV_CONFIG_H
3359 #define LIBAV_CONFIG_H
3360 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3361 #define LIBAV_LICENSE "$(c_escape $license)"
3362 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3363 #define CC_TYPE "$cc_type"
3364 #define CC_VERSION $cc_version
3365 #define restrict $_restrict
3366 #define EXTERN_PREFIX "${extern_prefix}"
3367 #define EXTERN_ASM ${extern_prefix}
3368 #define SLIBSUF "$SLIBSUF"
3369 EOF
3370
3371 test -n "$malloc_prefix" &&
3372 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3373
3374 if enabled small || disabled optimizations; then
3375 echo "#undef av_always_inline" >> $TMPH
3376 if enabled small; then
3377 echo "#define av_always_inline inline" >> $TMPH
3378 else
3379 echo "#define av_always_inline av_unused" >> $TMPH
3380 fi
3381 fi
3382
3383 if enabled yasm; then
3384 append config_files $TMPASM
3385 printf '' >$TMPASM
3386 fi
3387
3388 print_config ARCH_ "$config_files" $ARCH_LIST
3389 print_config HAVE_ "$config_files" $HAVE_LIST
3390 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3391 $CONFIG_EXTRA \
3392 $ALL_COMPONENTS \
3393
3394 cat >>config.mak <<EOF
3395 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3396 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3397 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3398 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3399 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3400 EOF
3401
3402 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3403
3404 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3405 cp_if_changed $TMPH config.h
3406 touch .config
3407
3408 enabled yasm && cp_if_changed $TMPASM config.asm
3409
3410 cat > $TMPH <<EOF
3411 /* Generated by ffconf */
3412 #ifndef AVUTIL_AVCONFIG_H
3413 #define AVUTIL_AVCONFIG_H
3414 EOF
3415
3416 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3417
3418 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3419
3420 cp_if_changed $TMPH libavutil/avconfig.h
3421
3422 test -n "$WARNINGS" && printf "\n$WARNINGS"
3423
3424 # build pkg-config files
3425
3426 pkgconfig_generate(){
3427 name=$1
3428 shortname=${name#lib}${build_suffix}
3429 comment=$2
3430 version=$3
3431 libs=$4
3432 requires=$5
3433 enabled ${name#lib} || return 0
3434 mkdir -p $name
3435 cat <<EOF > $name/$name.pc
3436 prefix=$prefix
3437 exec_prefix=\${prefix}
3438 libdir=$libdir
3439 includedir=$incdir
3440
3441 Name: $name
3442 Description: $comment
3443 Version: $version
3444 Requires: $(enabled shared || echo $requires)
3445 Requires.private: $(enabled shared && echo $requires)
3446 Conflicts:
3447 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3448 Libs.private: $(enabled shared && echo $libs)
3449 Cflags: -I\${includedir}
3450 EOF
3451 cat <<EOF > $name/$name-uninstalled.pc
3452 prefix=
3453 exec_prefix=
3454 libdir=\${pcfiledir}
3455 includedir=${source_path}
3456
3457 Name: $name
3458 Description: $comment
3459 Version: $version
3460 Requires: $requires
3461 Conflicts:
3462 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3463 Cflags: -I\${includedir}
3464 EOF
3465 }
3466
3467 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3468 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3469 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3470 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3471 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3472 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3473 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"