win64: add a XMM clobber test configure option.
[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-avconv disable avconv build
84 --disable-avplay disable avplay build
85 --disable-avprobe disable avprobe build
86 --disable-avserver disable avserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable libpostproc build (deprecated) [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --disable-w32threads disable Win32 threads [auto]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --enable-vaapi enable VAAPI code
110 --enable-vda enable VDA code
111 --enable-vdpau enable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --disable-safe-bitstream-reader
116 disable buffer boundary checking in bitreaders
117 (faster, but may crash)
118 --enable-memalign-hack emulate memalign, interferes with memory debuggers
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libdirac enable Dirac support via libdirac [no]
176 --enable-libfaac enable FAAC support via libfaac [no]
177 --enable-libfreetype enable libfreetype [no]
178 --enable-libgsm enable GSM support via libgsm [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libnut enable NUT (de)muxing via libnut,
181 native (de)muxer exists [no]
182 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
183 --enable-libpulse enable Pulseaudio input via libpulse [no]
184 --enable-librtmp enable RTMP[E] support via librtmp [no]
185 --enable-libschroedinger enable Dirac support via libschroedinger [no]
186 --enable-libspeex enable Speex support via libspeex [no]
187 --enable-libtheora enable Theora encoding via libtheora [no]
188 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
189 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
190 --enable-libvorbis enable Vorbis encoding via libvorbis,
191 native implementation exists [no]
192 --enable-libvpx enable VP8 support via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-mlib enable Sun medialib [no]
198 --enable-openssl enable openssl [no]
199 --enable-zlib enable zlib [autodetect]
200
201 Advanced options (experts only):
202 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
203 --enable-cross-compile assume a cross-compiler is used
204 --sysroot=PATH root of cross-build tree
205 --sysinclude=PATH location of cross-build system headers
206 --target-os=OS compiler targets OS [$target_os]
207 --target-exec=CMD command to run executables on target
208 --target-path=DIR path to view of build directory on target
209 --nm=NM use nm tool
210 --ar=AR use archive tool AR [$ar_default]
211 --as=AS use assembler AS [$as_default]
212 --cc=CC use C compiler CC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
217 --host-libs=HLIBS use libs HLIBS when linking for host
218 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
219 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
220 --extra-libs=ELIBS add ELIBS [$ELIBS]
221 --extra-version=STRING version string suffix []
222 --build-suffix=SUFFIX library name suffix []
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --disable-asm disable all assembler optimizations
227 --disable-altivec disable AltiVec optimizations
228 --disable-amd3dnow disable 3DNow! optimizations
229 --disable-amd3dnowext disable 3DNow! extended optimizations
230 --disable-mmx disable MMX optimizations
231 --disable-mmx2 disable MMX2 optimizations
232 --disable-sse disable SSE optimizations
233 --disable-ssse3 disable SSSE3 optimizations
234 --disable-avx disable AVX optimizations
235 --disable-armv5te disable armv5te optimizations
236 --disable-armv6 disable armv6 optimizations
237 --disable-armv6t2 disable armv6t2 optimizations
238 --disable-armvfp disable ARM VFP optimizations
239 --disable-iwmmxt disable iwmmxt optimizations
240 --disable-mmi disable MMI optimizations
241 --disable-neon disable NEON optimizations
242 --disable-vis disable VIS optimizations
243 --disable-yasm disable use of yasm assembler
244 --enable-pic build position-independent code
245 --malloc-prefix=PFX prefix malloc and related names with PFX
246 --enable-sram allow use of on-chip SRAM
247 --disable-symver disable symbol versioning
248 --optflags override optimization-related compiler flags
249
250 Developer options (useful when working on Libav itself):
251 --disable-debug disable debugging symbols
252 --enable-debug=LEVEL set the debug level [$debuglevel]
253 --disable-optimizations disable compiler optimizations
254 --enable-extra-warnings enable more compiler warnings
255 --samples=PATH location of test samples for FATE, if not set use
256 \$FATE_SAMPLES at make invocation time.
257 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
258 should be used only for debugging purposes)
259
260 NOTE: Object files are built at the place where configure is launched.
261 EOF
262 exit 0
263 }
264
265 quotes='""'
266
267 log(){
268 echo "$@" >> $logfile
269 }
270
271 log_file(){
272 log BEGIN $1
273 pr -n -t $1 >> $logfile
274 log END $1
275 }
276
277 echolog(){
278 log "$@"
279 echo "$@"
280 }
281
282 warn(){
283 log "WARNING: $*"
284 WARNINGS="${WARNINGS}WARNING: $*\n"
285 }
286
287 die(){
288 echolog "$@"
289 cat <<EOF
290
291 If you think configure made a mistake, make sure you are using the latest
292 version from Git. If the latest version fails, report the problem to the
293 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
294 EOF
295 if disabled logging; then
296 cat <<EOF
297 Rerun configure with logging enabled (do not use --disable-logging), and
298 include the log this produces with your report.
299 EOF
300 else
301 cat <<EOF
302 Include the log file "$logfile" produced by configure as this will help
303 solving the problem.
304 EOF
305 fi
306 exit 1
307 }
308
309 # Avoid locale weirdness, besides we really just want to translate ASCII.
310 toupper(){
311 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
312 }
313
314 tolower(){
315 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
316 }
317
318 c_escape(){
319 echo "$*" | sed 's/["\\]/\\\0/g'
320 }
321
322 sh_quote(){
323 v=$(echo "$1" | sed "s/'/'\\\\''/g")
324 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
325 echo "$v"
326 }
327
328 cleanws(){
329 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
330 }
331
332 filter(){
333 pat=$1
334 shift
335 for v; do
336 eval "case $v in $pat) echo $v ;; esac"
337 done
338 }
339
340 filter_out(){
341 pat=$1
342 shift
343 for v; do
344 eval "case $v in $pat) ;; *) echo $v ;; esac"
345 done
346 }
347
348 map(){
349 m=$1
350 shift
351 for v; do eval $m; done
352 }
353
354 set_all(){
355 value=$1
356 shift
357 for var in $*; do
358 eval $var=$value
359 done
360 }
361
362 set_weak(){
363 value=$1
364 shift
365 for var; do
366 eval : \${$var:=$value}
367 done
368 }
369
370 set_safe(){
371 var=$1
372 shift
373 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
374 }
375
376 get_safe(){
377 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
378 }
379
380 pushvar(){
381 for var in $*; do
382 eval level=\${${var}_level:=0}
383 eval ${var}_${level}="\$$var"
384 eval ${var}_level=$(($level+1))
385 done
386 }
387
388 popvar(){
389 for var in $*; do
390 eval level=\${${var}_level:-0}
391 test $level = 0 && continue
392 eval level=$(($level-1))
393 eval $var="\${${var}_${level}}"
394 eval ${var}_level=$level
395 eval unset ${var}_${level}
396 done
397 }
398
399 enable(){
400 set_all yes $*
401 }
402
403 disable(){
404 set_all no $*
405 }
406
407 enable_weak(){
408 set_weak yes $*
409 }
410
411 disable_weak(){
412 set_weak no $*
413 }
414
415 enable_safe(){
416 for var; do
417 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
418 done
419 }
420
421 disable_safe(){
422 for var; do
423 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
424 done
425 }
426
427 do_enable_deep(){
428 for var; do
429 enabled $var && continue
430 eval sel="\$${var}_select"
431 eval sgs="\$${var}_suggest"
432 pushvar var sgs
433 enable_deep $sel
434 popvar sgs
435 enable_deep_weak $sgs
436 popvar var
437 done
438 }
439
440 enable_deep(){
441 do_enable_deep $*
442 enable $*
443 }
444
445 enable_deep_weak(){
446 do_enable_deep $*
447 enable_weak $*
448 }
449
450 enabled(){
451 test "${1#!}" = "$1" && op== || op=!=
452 eval test "x\$${1#!}" $op "xyes"
453 }
454
455 disabled(){
456 test "${1#!}" = "$1" && op== || op=!=
457 eval test "x\$${1#!}" $op "xno"
458 }
459
460 enabled_all(){
461 for opt; do
462 enabled $opt || return 1
463 done
464 }
465
466 disabled_all(){
467 for opt; do
468 disabled $opt || return 1
469 done
470 }
471
472 enabled_any(){
473 for opt; do
474 enabled $opt && return 0
475 done
476 }
477
478 disabled_any(){
479 for opt; do
480 disabled $opt && return 0
481 done
482 return 1
483 }
484
485 set_default(){
486 for opt; do
487 eval : \${$opt:=\$${opt}_default}
488 done
489 }
490
491 is_in(){
492 value=$1
493 shift
494 for var in $*; do
495 [ $var = $value ] && return 0
496 done
497 return 1
498 }
499
500 check_deps(){
501 for cfg; do
502 cfg="${cfg#!}"
503 enabled ${cfg}_checking && die "Circular dependency for $cfg."
504 disabled ${cfg}_checking && continue
505 enable ${cfg}_checking
506
507 eval dep_all="\$${cfg}_deps"
508 eval dep_any="\$${cfg}_deps_any"
509 eval dep_sel="\$${cfg}_select"
510 eval dep_sgs="\$${cfg}_suggest"
511 eval dep_ifa="\$${cfg}_if"
512 eval dep_ifn="\$${cfg}_if_any"
513
514 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
515 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
516 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
517
518 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
519 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
520 enabled_all $dep_all || disable $cfg
521 enabled_any $dep_any || disable $cfg
522 disabled_any $dep_sel && disable $cfg
523
524 if enabled $cfg; then
525 eval dep_extralibs="\$${cfg}_extralibs"
526 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
527 enable_deep $dep_sel
528 enable_deep_weak $dep_sgs
529 fi
530
531 disable ${cfg}_checking
532 done
533 }
534
535 print_config_h(){
536 enabled $1 && v=1 || v=0
537 echo "#define $2 $v"
538 }
539
540 print_config_mak(){
541 enabled $1 && v= || v=!
542 echo "$v$2=yes"
543 }
544
545 print_config_asm(){
546 enabled $1 && v=1 || v=0
547 echo "%define $2 $v"
548 }
549
550 print_config(){
551 pfx=$1
552 files=$2
553 shift 2
554 for cfg; do
555 ucname="$(toupper $cfg)"
556 for f in $files; do
557 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
558 done
559 done
560 }
561
562 print_enabled(){
563 test "$1" = -n && end=" " && shift || end="\n"
564 suf=$1
565 shift
566 for v; do
567 enabled $v && printf "%s$end" ${v%$suf};
568 done
569 }
570
571 append(){
572 var=$1
573 shift
574 eval "$var=\"\$$var $*\""
575 }
576
577 prepend(){
578 var=$1
579 shift
580 eval "$var=\"$* \$$var\""
581 }
582
583 add_cppflags(){
584 append CPPFLAGS $($filter_cppflags "$@")
585 }
586
587 add_cflags(){
588 append CFLAGS $($filter_cflags "$@")
589 }
590
591 add_asflags(){
592 append ASFLAGS $($filter_asflags "$@")
593 }
594
595 add_ldflags(){
596 append LDFLAGS "$@"
597 }
598
599 add_extralibs(){
600 prepend extralibs "$@"
601 }
602
603 check_cmd(){
604 log "$@"
605 "$@" >> $logfile 2>&1
606 }
607
608 check_cc(){
609 log check_cc "$@"
610 cat > $TMPC
611 log_file $TMPC
612 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
613 }
614
615 check_cpp(){
616 log check_cpp "$@"
617 cat > $TMPC
618 log_file $TMPC
619 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
620 }
621
622 check_as(){
623 log check_as "$@"
624 cat > $TMPC
625 log_file $TMPC
626 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
627 }
628
629 check_asm(){
630 log check_asm "$@"
631 name="$1"
632 code="$2"
633 shift 2
634 disable $name
635 check_as "$@" <<EOF && enable $name
636 void foo(void){ __asm__ volatile($code); }
637 EOF
638 }
639
640 check_yasm(){
641 log check_yasm "$@"
642 echo "$1" > $TMPS
643 log_file $TMPS
644 shift 1
645 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
646 }
647
648 check_ld(){
649 log check_ld "$@"
650 flags=''
651 libs=''
652 for f; do
653 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
654 done
655 check_cc $($filter_cflags $flags) || return
656 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
657 }
658
659 check_cppflags(){
660 log check_cppflags "$@"
661 set -- $($filter_cppflags "$@")
662 check_cc "$@" <<EOF && append CPPFLAGS "$@"
663 int x;
664 EOF
665 }
666
667 check_cflags(){
668 log check_cflags "$@"
669 set -- $($filter_cflags "$@")
670 check_cc "$@" <<EOF && append CFLAGS "$@"
671 int x;
672 EOF
673 }
674
675 test_ldflags(){
676 log test_ldflags "$@"
677 check_ld "$@" <<EOF
678 int main(void){ return 0; }
679 EOF
680 }
681
682 check_ldflags(){
683 log check_ldflags "$@"
684 test_ldflags "$@" && add_ldflags "$@"
685 }
686
687 check_header(){
688 log check_header "$@"
689 header=$1
690 shift
691 disable_safe $header
692 check_cpp "$@" <<EOF && enable_safe $header
693 #include <$header>
694 int x;
695 EOF
696 }
697
698 check_func(){
699 log check_func "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 extern int $func();
705 int main(void){ $func(); }
706 EOF
707 }
708
709 check_mathfunc(){
710 log check_mathfunc "$@"
711 func=$1
712 shift
713 disable $func
714 check_ld "$@" <<EOF && enable $func
715 #include <math.h>
716 float foo(float f) { return $func(f); }
717 int main(void){ return 0; }
718 EOF
719 }
720
721 check_func_headers(){
722 log check_func_headers "$@"
723 headers=$1
724 funcs=$2
725 shift 2
726 {
727 for hdr in $headers; do
728 echo "#include <$hdr>"
729 done
730 for func in $funcs; do
731 echo "long check_$func(void) { return (long) $func; }"
732 done
733 echo "int main(void) { return 0; }"
734 } | check_ld "$@" && enable $funcs && enable_safe $headers
735 }
736
737 check_cpp_condition(){
738 log check_cpp_condition "$@"
739 header=$1
740 condition=$2
741 shift 2
742 check_cpp $($filter_cppflags "$@") <<EOF
743 #include <$header>
744 #if !($condition)
745 #error "unsatisfied condition: $condition"
746 #endif
747 EOF
748 }
749
750 check_lib(){
751 log check_lib "$@"
752 header="$1"
753 func="$2"
754 shift 2
755 check_header $header && check_func $func "$@" && add_extralibs "$@"
756 }
757
758 check_lib2(){
759 log check_lib2 "$@"
760 headers="$1"
761 funcs="$2"
762 shift 2
763 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
764 }
765
766 check_pkg_config(){
767 log check_pkg_config "$@"
768 pkg="$1"
769 headers="$2"
770 funcs="$3"
771 shift 3
772 $pkg_config --exists $pkg || return
773 pkg_cflags=$($pkg_config --cflags $pkg)
774 pkg_libs=$($pkg_config --libs $pkg)
775 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
776 set_safe ${pkg}_cflags $pkg_cflags &&
777 set_safe ${pkg}_libs $pkg_libs
778 }
779
780 check_exec(){
781 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
782 }
783
784 check_exec_crash(){
785 code=$(cat)
786
787 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
788 # are safe but may not be available everywhere. Thus we use
789 # raise(SIGTERM) instead. The check is run in a subshell so we
790 # can redirect the "Terminated" message from the shell. SIGBUS
791 # is not defined by standard C so it is used conditionally.
792
793 (check_exec "$@") >> $logfile 2>&1 <<EOF
794 #include <signal.h>
795 static void sighandler(int sig){
796 raise(SIGTERM);
797 }
798 int main(void){
799 signal(SIGILL, sighandler);
800 signal(SIGFPE, sighandler);
801 signal(SIGSEGV, sighandler);
802 #ifdef SIGBUS
803 signal(SIGBUS, sighandler);
804 #endif
805 { $code }
806 }
807 EOF
808 }
809
810 check_type(){
811 log check_type "$@"
812 headers=$1
813 type=$2
814 shift 2
815 disable_safe "$type"
816 incs=""
817 for hdr in $headers; do
818 incs="$incs
819 #include <$hdr>"
820 done
821 check_cc "$@" <<EOF && enable_safe "$type"
822 $incs
823 $type v;
824 EOF
825 }
826
827 check_struct(){
828 log check_type "$@"
829 headers=$1
830 struct=$2
831 member=$3
832 shift 3
833 disable_safe "${struct}_${member}"
834 incs=""
835 for hdr in $headers; do
836 incs="$incs
837 #include <$hdr>"
838 done
839 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
840 $incs
841 const void *p = &(($struct *)0)->$member;
842 EOF
843 }
844
845 require(){
846 name="$1"
847 header="$2"
848 func="$3"
849 shift 3
850 check_lib $header $func "$@" || die "ERROR: $name not found"
851 }
852
853 require2(){
854 name="$1"
855 headers="$2"
856 func="$3"
857 shift 3
858 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
859 }
860
861 require_pkg_config(){
862 pkg="$1"
863 check_pkg_config "$@" || die "ERROR: $pkg not found"
864 add_cflags $(get_safe ${pkg}_cflags)
865 add_extralibs $(get_safe ${pkg}_libs)
866 }
867
868 check_host_cc(){
869 log check_host_cc "$@"
870 cat > $TMPC
871 log_file $TMPC
872 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
873 }
874
875 check_host_cflags(){
876 log check_host_cflags "$@"
877 check_host_cc "$@" <<EOF && append host_cflags "$@"
878 int x;
879 EOF
880 }
881
882 apply(){
883 file=$1
884 shift
885 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
886 }
887
888 cp_if_changed(){
889 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
890 mkdir -p "$(dirname $2)"
891 cp -f "$1" "$2"
892 }
893
894 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
895 # system-dependent things.
896
897 COMPONENT_LIST="
898 bsfs
899 decoders
900 demuxers
901 encoders
902 filters
903 hwaccels
904 indevs
905 muxers
906 outdevs
907 parsers
908 protocols
909 "
910
911 PROGRAM_LIST="
912 avconv
913 avplay
914 avprobe
915 avserver
916 "
917
918 CONFIG_LIST="
919 $COMPONENT_LIST
920 $PROGRAM_LIST
921 aandct
922 ac3dsp
923 avcodec
924 avdevice
925 avfilter
926 avformat
927 avisynth
928 bzlib
929 dct
930 doc
931 dwt
932 dxva2
933 fastdiv
934 fft
935 frei0r
936 gnutls
937 golomb
938 gpl
939 gray
940 h264chroma
941 h264dsp
942 h264pred
943 hardcoded_tables
944 huffman
945 libcdio
946 libdc1394
947 libdirac
948 libfaac
949 libfreetype
950 libgsm
951 libmp3lame
952 libnut
953 libopencore_amrnb
954 libopencore_amrwb
955 libopencv
956 libopenjpeg
957 libpulse
958 librtmp
959 libschroedinger
960 libspeex
961 libtheora
962 libvo_aacenc
963 libvo_amrwbenc
964 libvorbis
965 libvpx
966 libx264
967 libxavs
968 libxvid
969 lpc
970 lsp
971 mdct
972 memalign_hack
973 mlib
974 mpegaudiodsp
975 network
976 nonfree
977 openssl
978 pic
979 postproc
980 rdft
981 rtpdec
982 runtime_cpudetect
983 safe_bitstream_reader
984 shared
985 sinewin
986 small
987 sram
988 static
989 swscale
990 swscale_alpha
991 thumb
992 vaapi
993 vda
994 vdpau
995 version3
996 xmm_clobber_test
997 x11grab
998 zlib
999 "
1000
1001 THREADS_LIST='
1002 pthreads
1003 w32threads
1004 '
1005
1006 ARCH_LIST='
1007 alpha
1008 arm
1009 avr32
1010 avr32_ap
1011 avr32_uc
1012 bfin
1013 ia64
1014 m68k
1015 mips
1016 mips64
1017 parisc
1018 ppc
1019 ppc64
1020 s390
1021 sh4
1022 sparc
1023 sparc64
1024 tomi
1025 x86
1026 x86_32
1027 x86_64
1028 '
1029
1030 ARCH_EXT_LIST='
1031 altivec
1032 amd3dnow
1033 amd3dnowext
1034 armv5te
1035 armv6
1036 armv6t2
1037 armvfp
1038 avx
1039 iwmmxt
1040 mmi
1041 mmx
1042 mmx2
1043 neon
1044 ppc4xx
1045 sse
1046 ssse3
1047 vfpv3
1048 vis
1049 '
1050
1051 HAVE_LIST_PUB='
1052 bigendian
1053 fast_unaligned
1054 '
1055
1056 HAVE_LIST="
1057 $ARCH_EXT_LIST
1058 $HAVE_LIST_PUB
1059 $THREADS_LIST
1060 aligned_stack
1061 alsa_asoundlib_h
1062 altivec_h
1063 arpa_inet_h
1064 asm_mod_y
1065 attribute_may_alias
1066 attribute_packed
1067 closesocket
1068 cmov
1069 dcbzl
1070 dev_bktr_ioctl_bt848_h
1071 dev_bktr_ioctl_meteor_h
1072 dev_ic_bt8xx_h
1073 dev_video_bktr_ioctl_bt848_h
1074 dev_video_meteor_ioctl_meteor_h
1075 dlfcn_h
1076 dlopen
1077 dos_paths
1078 ebp_available
1079 ebx_available
1080 exp2
1081 exp2f
1082 fast_64bit
1083 fast_clz
1084 fast_cmov
1085 fcntl
1086 fork
1087 getaddrinfo
1088 gethrtime
1089 GetProcessAffinityMask
1090 GetProcessMemoryInfo
1091 GetProcessTimes
1092 getrusage
1093 gnu_as
1094 ibm_asm
1095 inet_aton
1096 inline_asm
1097 isatty
1098 ldbrx
1099 libdc1394_1
1100 libdc1394_2
1101 llrint
1102 llrintf
1103 local_aligned_16
1104 local_aligned_8
1105 localtime_r
1106 log2
1107 log2f
1108 loongson
1109 lrint
1110 lrintf
1111 lzo1x_999_compress
1112 machine_ioctl_bt848_h
1113 machine_ioctl_meteor_h
1114 malloc_h
1115 MapViewOfFile
1116 memalign
1117 mkstemp
1118 mmap
1119 poll_h
1120 posix_memalign
1121 round
1122 roundf
1123 sched_getaffinity
1124 sdl
1125 sdl_video_size
1126 setmode
1127 setrlimit
1128 sndio_h
1129 socklen_t
1130 soundcard_h
1131 strerror_r
1132 strptime
1133 strtok_r
1134 struct_addrinfo
1135 struct_ipv6_mreq
1136 struct_rusage_ru_maxrss
1137 struct_sockaddr_in6
1138 struct_sockaddr_sa_len
1139 struct_sockaddr_storage
1140 struct_v4l2_frmivalenum_discrete
1141 symver
1142 symver_asm_label
1143 symver_gnu_asm
1144 sysconf
1145 sysctl
1146 sys_mman_h
1147 sys_param_h
1148 sys_resource_h
1149 sys_select_h
1150 sys_soundcard_h
1151 sys_videoio_h
1152 threads
1153 trunc
1154 truncf
1155 vfp_args
1156 VirtualAlloc
1157 winsock2_h
1158 xform_asm
1159 xmm_clobbers
1160 yasm
1161 "
1162
1163 # options emitted with CONFIG_ prefix but not available on command line
1164 CONFIG_EXTRA="
1165 avutil
1166 gplv3
1167 lgplv3
1168 "
1169
1170 CMDLINE_SELECT="
1171 $ARCH_EXT_LIST
1172 $CONFIG_LIST
1173 $THREADS_LIST
1174 asm
1175 cross_compile
1176 debug
1177 extra_warnings
1178 logging
1179 optimizations
1180 symver
1181 yasm
1182 "
1183
1184 PATHS_LIST='
1185 bindir
1186 datadir
1187 incdir
1188 libdir
1189 mandir
1190 prefix
1191 shlibdir
1192 '
1193
1194 CMDLINE_SET="
1195 $PATHS_LIST
1196 ar
1197 arch
1198 as
1199 build_suffix
1200 cc
1201 cpu
1202 cross_prefix
1203 dep_cc
1204 extra_version
1205 host_cc
1206 host_cflags
1207 host_ldflags
1208 host_libs
1209 host_os
1210 ld
1211 logfile
1212 malloc_prefix
1213 nm
1214 optflags
1215 pkg_config
1216 samples
1217 sysinclude
1218 sysroot
1219 target_exec
1220 target_os
1221 target_path
1222 "
1223
1224 CMDLINE_APPEND="
1225 extra_cflags
1226 "
1227
1228 # code dependency declarations
1229
1230 # architecture extensions
1231
1232 armv5te_deps="arm"
1233 armv6_deps="arm"
1234 armv6t2_deps="arm"
1235 armvfp_deps="arm"
1236 iwmmxt_deps="arm"
1237 neon_deps="arm"
1238 vfpv3_deps="armvfp"
1239
1240 mmi_deps="mips"
1241
1242 altivec_deps="ppc"
1243 ppc4xx_deps="ppc"
1244
1245 vis_deps="sparc"
1246
1247 x86_64_suggest="cmov fast_cmov"
1248 amd3dnow_deps="mmx"
1249 amd3dnowext_deps="amd3dnow"
1250 mmx_deps="x86"
1251 mmx2_deps="mmx"
1252 sse_deps="mmx"
1253 ssse3_deps="sse"
1254 avx_deps="ssse3"
1255
1256 aligned_stack_if_any="ppc x86"
1257 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1258 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1259 fast_unaligned_if_any="armv6 ppc x86"
1260
1261 inline_asm_deps="!tms470"
1262 need_memalign="altivec neon sse"
1263
1264 symver_if_any="symver_asm_label symver_gnu_asm"
1265
1266 # subsystems
1267 dct_select="rdft"
1268 mdct_select="fft"
1269 rdft_select="fft"
1270 mpegaudiodsp_select="dct"
1271
1272 # decoders / encoders / hardware accelerators
1273 aac_decoder_select="mdct sinewin"
1274 aac_encoder_select="mdct sinewin"
1275 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1276 ac3_decoder_select="mdct ac3dsp ac3_parser"
1277 ac3_encoder_select="mdct ac3dsp"
1278 ac3_fixed_encoder_select="mdct ac3dsp"
1279 alac_encoder_select="lpc"
1280 amrnb_decoder_select="lsp"
1281 amrwb_decoder_select="lsp"
1282 atrac1_decoder_select="mdct sinewin"
1283 atrac3_decoder_select="mdct"
1284 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1285 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1286 cavs_decoder_select="golomb"
1287 cook_decoder_select="mdct sinewin"
1288 cscd_decoder_suggest="zlib"
1289 dca_decoder_select="mdct"
1290 dnxhd_encoder_select="aandct"
1291 dxa_decoder_select="zlib"
1292 eac3_decoder_select="ac3_decoder"
1293 eac3_encoder_select="mdct ac3dsp"
1294 eamad_decoder_select="aandct"
1295 eatgq_decoder_select="aandct"
1296 eatqi_decoder_select="aandct"
1297 ffv1_decoder_select="golomb"
1298 flac_decoder_select="golomb"
1299 flac_encoder_select="golomb lpc"
1300 flashsv_decoder_select="zlib"
1301 flashsv_encoder_select="zlib"
1302 flashsv2_decoder_select="zlib"
1303 flv_decoder_select="h263_decoder"
1304 flv_encoder_select="h263_encoder"
1305 fraps_decoder_select="huffman"
1306 h261_encoder_select="aandct"
1307 h263_decoder_select="h263_parser"
1308 h263_encoder_select="aandct"
1309 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1310 h263i_decoder_select="h263_decoder"
1311 h263p_encoder_select="h263_encoder"
1312 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1313 h264_dxva2_hwaccel_deps="dxva2api_h"
1314 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1315 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1316 h264_vda_hwaccel_select="vda h264_decoder"
1317 h264_vdpau_decoder_select="vdpau h264_decoder"
1318 imc_decoder_select="fft mdct sinewin"
1319 jpegls_decoder_select="golomb"
1320 jpegls_encoder_select="golomb"
1321 ljpeg_encoder_select="aandct"
1322 loco_decoder_select="golomb"
1323 mjpeg_encoder_select="aandct"
1324 mlp_decoder_select="mlp_parser"
1325 mp1_decoder_select="mpegaudiodsp"
1326 mp1float_decoder_select="mpegaudiodsp"
1327 mp2_decoder_select="mpegaudiodsp"
1328 mp2float_decoder_select="mpegaudiodsp"
1329 mp3_decoder_select="mpegaudiodsp"
1330 mp3adu_decoder_select="mpegaudiodsp"
1331 mp3adufloat_decoder_select="mpegaudiodsp"
1332 mp3float_decoder_select="mpegaudiodsp"
1333 mp3on4_decoder_select="mpegaudiodsp"
1334 mp3on4float_decoder_select="mpegaudiodsp"
1335 mpc7_decoder_select="mpegaudiodsp"
1336 mpc8_decoder_select="mpegaudiodsp"
1337 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1338 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1339 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1340 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1341 mpeg1video_encoder_select="aandct"
1342 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1343 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1344 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1345 mpeg2video_encoder_select="aandct"
1346 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1347 mpeg4_encoder_select="h263_encoder"
1348 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1349 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1350 msmpeg4v1_decoder_select="h263_decoder"
1351 msmpeg4v1_encoder_select="h263_encoder"
1352 msmpeg4v2_decoder_select="h263_decoder"
1353 msmpeg4v2_encoder_select="h263_encoder"
1354 msmpeg4v3_decoder_select="h263_decoder"
1355 msmpeg4v3_encoder_select="h263_encoder"
1356 nellymoser_decoder_select="mdct sinewin"
1357 nellymoser_encoder_select="mdct sinewin"
1358 png_decoder_select="zlib"
1359 png_encoder_select="zlib"
1360 qcelp_decoder_select="lsp"
1361 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1362 ra_144_encoder_select="lpc"
1363 rv10_decoder_select="h263_decoder"
1364 rv10_encoder_select="h263_encoder"
1365 rv20_decoder_select="h263_decoder"
1366 rv20_encoder_select="h263_encoder"
1367 rv30_decoder_select="golomb h264chroma h264pred"
1368 rv40_decoder_select="golomb h264chroma h264pred"
1369 shorten_decoder_select="golomb"
1370 sipr_decoder_select="lsp"
1371 snow_decoder_select="dwt"
1372 snow_encoder_select="aandct dwt"
1373 svq1_encoder_select="aandct"
1374 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1375 svq3_decoder_suggest="zlib"
1376 theora_decoder_select="vp3_decoder"
1377 tiff_decoder_suggest="zlib"
1378 tiff_encoder_suggest="zlib"
1379 truehd_decoder_select="mlp_decoder"
1380 tscc_decoder_select="zlib"
1381 twinvq_decoder_select="mdct lsp sinewin"
1382 vc1_decoder_select="h263_decoder h264chroma"
1383 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1384 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1385 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1386 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1387 vc1image_decoder_select="vc1_decoder"
1388 vorbis_decoder_select="mdct"
1389 vorbis_encoder_select="mdct"
1390 vp6_decoder_select="huffman"
1391 vp6a_decoder_select="vp6_decoder"
1392 vp6f_decoder_select="vp6_decoder"
1393 vp8_decoder_select="h264pred"
1394 wmapro_decoder_select="mdct sinewin"
1395 wmav1_decoder_select="mdct sinewin"
1396 wmav1_encoder_select="mdct sinewin"
1397 wmav2_decoder_select="mdct sinewin"
1398 wmav2_encoder_select="mdct sinewin"
1399 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1400 wmv1_decoder_select="h263_decoder"
1401 wmv1_encoder_select="h263_encoder"
1402 wmv2_decoder_select="h263_decoder"
1403 wmv2_encoder_select="h263_encoder"
1404 wmv3_decoder_select="vc1_decoder"
1405 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1406 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1407 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1408 wmv3image_decoder_select="wmv3_decoder"
1409 zlib_decoder_select="zlib"
1410 zlib_encoder_select="zlib"
1411 zmbv_decoder_select="zlib"
1412 zmbv_encoder_select="zlib"
1413
1414 vaapi_deps="va_va_h"
1415 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1416 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1417
1418 # parsers
1419 h264_parser_select="golomb h264chroma h264dsp h264pred"
1420
1421 # external libraries
1422 libdirac_decoder_deps="libdirac !libschroedinger"
1423 libdirac_encoder_deps="libdirac"
1424 libfaac_encoder_deps="libfaac"
1425 libgsm_decoder_deps="libgsm"
1426 libgsm_encoder_deps="libgsm"
1427 libgsm_ms_decoder_deps="libgsm"
1428 libgsm_ms_encoder_deps="libgsm"
1429 libmp3lame_encoder_deps="libmp3lame"
1430 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1431 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1432 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1433 libopenjpeg_decoder_deps="libopenjpeg"
1434 libschroedinger_decoder_deps="libschroedinger"
1435 libschroedinger_encoder_deps="libschroedinger"
1436 libspeex_decoder_deps="libspeex"
1437 libspeex_encoder_deps="libspeex"
1438 libtheora_encoder_deps="libtheora"
1439 libvo_aacenc_encoder_deps="libvo_aacenc"
1440 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1441 libvorbis_encoder_deps="libvorbis"
1442 libvpx_decoder_deps="libvpx"
1443 libvpx_encoder_deps="libvpx"
1444 libx264_encoder_deps="libx264"
1445 libxavs_encoder_deps="libxavs"
1446 libxvid_encoder_deps="libxvid"
1447
1448 # demuxers / muxers
1449 ac3_demuxer_select="ac3_parser"
1450 asf_stream_muxer_select="asf_muxer"
1451 avisynth_demuxer_deps="avisynth"
1452 dirac_demuxer_select="dirac_parser"
1453 eac3_demuxer_select="ac3_parser"
1454 flac_demuxer_select="flac_parser"
1455 ipod_muxer_select="mov_muxer"
1456 libnut_demuxer_deps="libnut"
1457 libnut_muxer_deps="libnut"
1458 matroska_audio_muxer_select="matroska_muxer"
1459 matroska_demuxer_suggest="zlib bzlib"
1460 mov_demuxer_suggest="zlib"
1461 mp3_demuxer_select="mpegaudio_parser"
1462 mp4_muxer_select="mov_muxer"
1463 mpegtsraw_demuxer_select="mpegts_demuxer"
1464 mxf_d10_muxer_select="mxf_muxer"
1465 ogg_demuxer_select="golomb"
1466 psp_muxer_select="mov_muxer"
1467 rtp_demuxer_select="sdp_demuxer"
1468 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1469 rtsp_demuxer_select="http_protocol rtpdec"
1470 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1471 sap_demuxer_select="sdp_demuxer"
1472 sap_muxer_select="rtp_muxer rtp_protocol"
1473 sdp_demuxer_select="rtpdec"
1474 spdif_muxer_select="aac_parser"
1475 tg2_muxer_select="mov_muxer"
1476 tgp_muxer_select="mov_muxer"
1477 w64_demuxer_deps="wav_demuxer"
1478
1479 # indevs / outdevs
1480 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1481 alsa_outdev_deps="alsa_asoundlib_h"
1482 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1483 dv1394_indev_deps="dv1394 dv_demuxer"
1484 fbdev_indev_deps="linux_fb_h"
1485 jack_indev_deps="jack_jack_h"
1486 libcdio_indev_deps="libcdio"
1487 libdc1394_indev_deps="libdc1394"
1488 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1489 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1490 pulse_indev_deps="libpulse"
1491 sndio_indev_deps="sndio_h"
1492 sndio_outdev_deps="sndio_h"
1493 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1494 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1495 vfwcap_indev_extralibs="-lavicap32"
1496 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1497 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1498
1499 # protocols
1500 gopher_protocol_deps="network"
1501 httpproxy_protocol_deps="network"
1502 httpproxy_protocol_select="tcp_protocol"
1503 http_protocol_deps="network"
1504 http_protocol_select="tcp_protocol"
1505 https_protocol_select="tls_protocol"
1506 mmsh_protocol_select="http_protocol"
1507 mmst_protocol_deps="network"
1508 rtmp_protocol_select="tcp_protocol"
1509 rtp_protocol_select="udp_protocol"
1510 tcp_protocol_deps="network"
1511 tls_protocol_deps_any="openssl gnutls"
1512 tls_protocol_select="tcp_protocol"
1513 udp_protocol_deps="network"
1514
1515 # filters
1516 blackframe_filter_deps="gpl"
1517 boxblur_filter_deps="gpl"
1518 cropdetect_filter_deps="gpl"
1519 delogo_filter_deps="gpl"
1520 drawtext_filter_deps="libfreetype"
1521 frei0r_filter_deps="frei0r dlopen strtok_r"
1522 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1523 hqdn3d_filter_deps="gpl"
1524 ocv_filter_deps="libopencv"
1525 scale_filter_deps="swscale"
1526 yadif_filter_deps="gpl"
1527
1528 # libraries
1529 avdevice_deps="avcodec avformat"
1530 avformat_deps="avcodec"
1531 postproc_deps="gpl"
1532
1533 # programs
1534 avconv_deps="avcodec avformat swscale"
1535 avplay_deps="avcodec avformat swscale sdl"
1536 avplay_select="rdft"
1537 avprobe_deps="avcodec avformat"
1538 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1539 avserver_extralibs='$ldl'
1540
1541 doc_deps="texi2html"
1542
1543 # tests
1544
1545 test_deps(){
1546 suf1=$1
1547 suf2=$2
1548 shift 2
1549 for v; do
1550 dep=${v%=*}
1551 tests=${v#*=}
1552 for name in ${tests}; do
1553 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1554 done
1555 done
1556 }
1557
1558 mxf_d10_test_deps="avfilter"
1559 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1560
1561 test_deps _encoder _decoder \
1562 adpcm_ima_qt \
1563 adpcm_ima_wav \
1564 adpcm_ms \
1565 adpcm_swf \
1566 adpcm_yamaha=adpcm_yam \
1567 alac \
1568 asv1 \
1569 asv2 \
1570 bmp \
1571 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1572 dvvideo="dv dv_411 dv50" \
1573 ffv1 \
1574 flac \
1575 flashsv \
1576 flv \
1577 adpcm_g726=g726 \
1578 gif \
1579 h261 \
1580 h263="h263 h263p" \
1581 huffyuv \
1582 jpegls \
1583 mjpeg="jpg mjpeg ljpeg" \
1584 mp2 \
1585 mpeg1video="mpeg mpeg1b" \
1586 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1587 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1588 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1589 mpeg4="mpeg4thread error rc" \
1590 msmpeg4v3=msmpeg4 \
1591 msmpeg4v2 \
1592 pbm=pbmpipe \
1593 pcx \
1594 pgm="pgm pgmpipe" \
1595 png \
1596 ppm="ppm ppmpipe" \
1597 rawvideo="rgb yuv" \
1598 roq \
1599 rv10 \
1600 rv20 \
1601 sgi \
1602 snow="snow snowll" \
1603 svq1 \
1604 targa=tga \
1605 tiff \
1606 wmav1 \
1607 wmav2 \
1608 wmv1 \
1609 wmv2 \
1610
1611 test_deps _muxer _demuxer \
1612 aiff \
1613 pcm_alaw=alaw \
1614 asf \
1615 au \
1616 avi \
1617 dv=dv_fmt \
1618 ffm \
1619 flv=flv_fmt \
1620 gxf \
1621 matroska=mkv \
1622 mmf \
1623 mov \
1624 pcm_mulaw=mulaw \
1625 mxf="mxf mxf_d10" \
1626 nut \
1627 ogg \
1628 rawvideo=pixfmt \
1629 rm \
1630 swf \
1631 mpegts=ts \
1632 voc \
1633 wav \
1634 yuv4mpegpipe=yuv4mpeg \
1635
1636 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1637 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1638
1639 # default parameters
1640
1641 logfile="config.log"
1642
1643 # installation paths
1644 prefix_default="/usr/local"
1645 bindir_default='${prefix}/bin'
1646 datadir_default='${prefix}/share/avconv'
1647 incdir_default='${prefix}/include'
1648 libdir_default='${prefix}/lib'
1649 mandir_default='${prefix}/share/man'
1650 shlibdir_default="$libdir_default"
1651
1652 # toolchain
1653 ar_default="ar"
1654 cc_default="gcc"
1655 cc_version=\"unknown\"
1656 host_cc_default="gcc"
1657 ln_s="ln -sf"
1658 nm_default="nm"
1659 objformat="elf"
1660 pkg_config_default=pkg-config
1661 ranlib="ranlib"
1662 yasmexe="yasm"
1663
1664 nm_opts='-g'
1665 nogas=":"
1666
1667 # machine
1668 arch_default=$(uname -m)
1669 cpu="generic"
1670
1671 # OS
1672 target_os_default=$(tolower $(uname -s))
1673 host_os=$target_os_default
1674
1675 # configurable options
1676 enable $PROGRAM_LIST
1677
1678 enable avcodec
1679 enable avdevice
1680 enable avfilter
1681 enable avformat
1682 enable avutil
1683 enable swscale
1684
1685 enable asm
1686 enable debug
1687 enable doc
1688 enable fastdiv
1689 enable network
1690 enable optimizations
1691 enable safe_bitstream_reader
1692 enable static
1693 enable swscale_alpha
1694
1695 # build settings
1696 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1697 AVSERVERLDFLAGS=-Wl,-E
1698 LIBPREF="lib"
1699 LIBSUF=".a"
1700 FULLNAME='$(NAME)$(BUILDSUF)'
1701 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1702 SLIBPREF="lib"
1703 SLIBSUF=".so"
1704 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1705 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1706 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1707 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1708 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1709 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1710
1711 AS_O='-o $@'
1712 CC_O='-o $@'
1713
1714 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1715 host_libs='-lm'
1716
1717 target_path='$(CURDIR)'
1718
1719 # since the object filename is not given with the -MM flag, the compiler
1720 # is only able to print the basename, and we must add the path ourselves
1721 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1722 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1723
1724 # find source path
1725 if test -f configure; then
1726 source_path=.
1727 else
1728 source_path=$(cd $(dirname "$0"); pwd)
1729 echo "$source_path" | grep -q '[[:blank:]]' &&
1730 die "Out of tree builds are impossible with whitespace in source path."
1731 test -e "$source_path/config.h" &&
1732 die "Out of tree builds are impossible with config.h in source dir."
1733 fi
1734
1735 for v in "$@"; do
1736 r=${v#*=}
1737 l=${v%"$r"}
1738 r=$(sh_quote "$r")
1739 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1740 done
1741
1742 find_things(){
1743 thing=$1
1744 pattern=$2
1745 file=$source_path/$3
1746 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1747 }
1748
1749 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1750 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1751 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1752 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1753 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1754 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1755 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1756 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1757 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1758 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1759 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1760
1761 ALL_COMPONENTS="
1762 $BSF_LIST
1763 $DECODER_LIST
1764 $DEMUXER_LIST
1765 $ENCODER_LIST
1766 $FILTER_LIST
1767 $HWACCEL_LIST
1768 $INDEV_LIST
1769 $MUXER_LIST
1770 $OUTDEV_LIST
1771 $PARSER_LIST
1772 $PROTOCOL_LIST
1773 "
1774
1775 find_tests(){
1776 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1777 }
1778
1779 ACODEC_TESTS=$(find_tests acodec)
1780 VCODEC_TESTS=$(find_tests vsynth1)
1781 LAVF_TESTS=$(find_tests lavf)
1782 LAVFI_TESTS=$(find_tests lavfi)
1783 SEEK_TESTS=$(find_tests seek seek_)
1784
1785 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1786
1787 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1788
1789 for n in $COMPONENT_LIST; do
1790 v=$(toupper ${n%s})_LIST
1791 eval enable \$$v
1792 eval ${n}_if_any="\$$v"
1793 done
1794
1795 enable $ARCH_EXT_LIST $ALL_TESTS
1796
1797 die_unknown(){
1798 echo "Unknown option \"$1\"."
1799 echo "See $0 --help for available options."
1800 exit 1
1801 }
1802
1803 show_list() {
1804 suffix=_$1
1805 shift
1806 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1807 exit 0
1808 }
1809
1810 for opt do
1811 optval="${opt#*=}"
1812 case "$opt" in
1813 --extra-ldflags=*) add_ldflags $optval
1814 ;;
1815 --extra-libs=*) add_extralibs $optval
1816 ;;
1817 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1818 ;;
1819 --enable-debug=*) debuglevel="$optval"
1820 ;;
1821 --disable-everything)
1822 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1823 ;;
1824 --enable-*=*|--disable-*=*)
1825 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1826 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1827 eval list=\$$(toupper $thing)_LIST
1828 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1829 $action $(filter "$name" $list)
1830 ;;
1831 --enable-?*|--disable-?*)
1832 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1833 if is_in $option $COMPONENT_LIST; then
1834 test $action = disable && action=unset
1835 eval $action \$$(toupper ${option%s})_LIST
1836 elif is_in $option $CMDLINE_SELECT; then
1837 $action $option
1838 else
1839 die_unknown $opt
1840 fi
1841 ;;
1842 --list-*)
1843 NAME="${opt#--list-}"
1844 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1845 NAME=${NAME%s}
1846 eval show_list $NAME \$$(toupper $NAME)_LIST
1847 ;;
1848 --help|-h) show_help
1849 ;;
1850 *)
1851 optname="${opt%%=*}"
1852 optname="${optname#--}"
1853 optname=$(echo "$optname" | sed 's/-/_/g')
1854 if is_in $optname $CMDLINE_SET; then
1855 eval $optname='$optval'
1856 elif is_in $optname $CMDLINE_APPEND; then
1857 append $optname "$optval"
1858 else
1859 die_unknown $opt
1860 fi
1861 ;;
1862 esac
1863 done
1864
1865 disabled logging && logfile=/dev/null
1866
1867 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1868 set >> $logfile
1869
1870 test -n "$cross_prefix" && enable cross_compile
1871
1872 if enabled cross_compile; then
1873 test -n "$arch" && test -n "$target_os" ||
1874 die "Must specify target arch and OS when cross-compiling"
1875 fi
1876
1877 set_default arch target_os
1878
1879 ar_default="${cross_prefix}${ar_default}"
1880 cc_default="${cross_prefix}${cc_default}"
1881 nm_default="${cross_prefix}${nm_default}"
1882 pkg_config_default="${cross_prefix}${pkg_config_default}"
1883 ranlib="${cross_prefix}${ranlib}"
1884
1885 sysinclude_default="${sysroot}/usr/include"
1886
1887 set_default cc nm pkg_config sysinclude
1888 enabled cross_compile || host_cc_default=$cc
1889 set_default host_cc
1890
1891 if ! $pkg_config --version >/dev/null 2>&1; then
1892 warn "$pkg_config not found, library detection may fail."
1893 pkg_config=false
1894 fi
1895
1896 exesuf() {
1897 case $1 in
1898 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1899 esac
1900 }
1901
1902 EXESUF=$(exesuf $target_os)
1903 HOSTEXESUF=$(exesuf $host_os)
1904
1905 # set temporary file name
1906 : ${TMPDIR:=$TEMPDIR}
1907 : ${TMPDIR:=$TMP}
1908 : ${TMPDIR:=/tmp}
1909
1910 if ! check_cmd mktemp -u XXXXXX; then
1911 # simple replacement for missing mktemp
1912 # NOT SAFE FOR GENERAL USE
1913 mktemp(){
1914 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1915 }
1916 fi
1917
1918 tmpfile(){
1919 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1920 (set -C; exec > $tmp) 2>/dev/null ||
1921 die "Unable to create temporary file in $TMPDIR."
1922 append TMPFILES $tmp
1923 eval $1=$tmp
1924 }
1925
1926 trap 'rm -f -- $TMPFILES' EXIT
1927
1928 tmpfile TMPASM .asm
1929 tmpfile TMPC .c
1930 tmpfile TMPE $EXESUF
1931 tmpfile TMPH .h
1932 tmpfile TMPO .o
1933 tmpfile TMPS .S
1934 tmpfile TMPSH .sh
1935 tmpfile TMPV .ver
1936
1937 unset -f mktemp
1938
1939 chmod +x $TMPE
1940
1941 # make sure we can execute files in $TMPDIR
1942 cat > $TMPSH 2>> $logfile <<EOF
1943 #! /bin/sh
1944 EOF
1945 chmod +x $TMPSH >> $logfile 2>&1
1946 if ! $TMPSH >> $logfile 2>&1; then
1947 cat <<EOF
1948 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1949 variable to another directory and make sure that it is not mounted noexec.
1950 EOF
1951 die "Sanity test failed."
1952 fi
1953
1954 filter_asflags=echo
1955 filter_cflags=echo
1956 filter_cppflags=echo
1957
1958 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1959 cc_type=llvm_gcc
1960 cc_version=__VERSION__
1961 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1962 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1963 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1964 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1965 speed_cflags='-O3'
1966 size_cflags='-Os'
1967 elif $cc -v 2>&1 | grep -qi ^gcc; then
1968 cc_type=gcc
1969 cc_version=__VERSION__
1970 gcc_version=$($cc --version | head -n1)
1971 gcc_basever=$($cc -dumpversion)
1972 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1973 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1974 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1975 if ! $cc -dumpversion | grep -q '^2\.'; then
1976 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1977 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1978 fi
1979 speed_cflags='-O3'
1980 size_cflags='-Os'
1981 elif $cc --version 2>/dev/null | grep -q Intel; then
1982 cc_type=icc
1983 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1984 cc_ident=$($cc --version | head -n1)
1985 icc_version=$($cc -dumpversion)
1986 CC_DEPFLAGS='-MMD'
1987 AS_DEPFLAGS='-MMD'
1988 speed_cflags='-O3'
1989 size_cflags='-Os'
1990 noopt_cflags='-O1'
1991 elif $cc -v 2>&1 | grep -q xlc; then
1992 cc_type=xlc
1993 cc_version="AV_STRINGIFY(__IBMC__)"
1994 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1995 speed_cflags='-O5'
1996 size_cflags='-O5 -qcompact'
1997 elif $cc -V 2>/dev/null | grep -q Compaq; then
1998 cc_type=ccc
1999 cc_version="AV_STRINGIFY(__DECC_VER)"
2000 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2001 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2002 debuglevel=3
2003 add_ldflags -Wl,-z,now # calls to libots crash without this
2004 speed_cflags='-fast'
2005 size_cflags='-O1'
2006 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2007 test -d "$sysroot" || die "No valid sysroot specified."
2008 cc_type=armcc
2009 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2010 cc_ident=$($cc --vsn | head -n1)
2011 armcc_conf="$PWD/armcc.conf"
2012 $cc --arm_linux_configure \
2013 --arm_linux_config_file="$armcc_conf" \
2014 --configure_sysroot="$sysroot" \
2015 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2016 die "Error creating armcc configuration file."
2017 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2018 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2019 as_default="${cross_prefix}gcc"
2020 CC_DEPFLAGS='-MMD'
2021 AS_DEPFLAGS='-MMD'
2022 speed_cflags='-O3'
2023 size_cflags='-Os'
2024 filter_asflags="filter_out -W${armcc_opt}*"
2025 elif $cc -version 2>/dev/null | grep -q TMS470; then
2026 cc_type=tms470
2027 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2028 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2029 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2030 CC_O='-fr=$(@D)'
2031 as_default="${cross_prefix}gcc"
2032 ld_default="${cross_prefix}gcc"
2033 TMPO=$(basename $TMPC .c).o
2034 append TMPFILES $TMPO
2035 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2036 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2037 AS_DEPFLAGS='-MMD'
2038 speed_cflags='-O3 -mf=5'
2039 size_cflags='-O3 -mf=2'
2040 filter_cflags=tms470_flags
2041 tms470_flags(){
2042 for flag; do
2043 case $flag in
2044 -march=*|-mcpu=*)
2045 case "${flag#*=}" in
2046 armv7-a|cortex-a*) echo -mv=7a8 ;;
2047 armv7-r|cortex-r*) echo -mv=7r4 ;;
2048 armv7-m|cortex-m*) echo -mv=7m3 ;;
2049 armv6*|arm11*) echo -mv=6 ;;
2050 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2051 echo -mv=5e ;;
2052 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2053 esac
2054 ;;
2055 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2056 -mfpu=vfp) echo --float_support=vfpv2 ;;
2057 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2058 -msoft-float) echo --float_support=vfplib ;;
2059 -O[0-3]|-mf=*) echo $flag ;;
2060 -g) echo -g -mn ;;
2061 -pds=*) echo $flag ;;
2062 esac
2063 done
2064 }
2065 elif $cc -v 2>&1 | grep -q clang; then
2066 cc_type=clang
2067 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2068 cc_version=__clang_version__ || cc_version=__VERSION__
2069 cc_ident=$($cc --version | head -n1)
2070 CC_DEPFLAGS='-MMD'
2071 AS_DEPFLAGS='-MMD'
2072 speed_cflags='-O3'
2073 size_cflags='-Os'
2074 elif $cc -V 2>&1 | grep -q Sun; then
2075 cc_type=suncc
2076 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2077 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2078 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2079 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2080 add_ldflags -xc99
2081 speed_cflags='-O5'
2082 size_cflags='-O5 -xspace'
2083 filter_cflags=suncc_flags
2084 suncc_flags(){
2085 for flag; do
2086 case $flag in
2087 -march=*|-mcpu=*)
2088 case "${flag#*=}" in
2089 native) echo -xtarget=native ;;
2090 v9|niagara) echo -xarch=sparc ;;
2091 ultrasparc) echo -xarch=sparcvis ;;
2092 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2093 i586|pentium) echo -xchip=pentium ;;
2094 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2095 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2096 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2097 pentium4*) echo -xtarget=pentium4 ;;
2098 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2099 *-sse3) echo -xarch=sse3 ;;
2100 core2) echo -xarch=ssse3 -xchip=core2 ;;
2101 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2102 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2103 k8|opteron|athlon64|athlon-fx)
2104 echo -xarch=sse2a ;;
2105 athlon*) echo -xarch=pentium_proa ;;
2106 esac
2107 ;;
2108 -std=c99) echo -xc99 ;;
2109 -fomit-frame-pointer) echo -xregs=frameptr ;;
2110 -fPIC) echo -KPIC -xcode=pic32 ;;
2111 -W*,*) echo $flag ;;
2112 -f*-*|-W*) ;;
2113 *) echo $flag ;;
2114 esac
2115 done
2116 }
2117 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2118 cc_type=pathscale
2119 cc_version=__PATHSCALE__
2120 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2121 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2122 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2123 speed_cflags='-O2'
2124 size_cflags='-Os'
2125 filter_cflags='filter_out -Wdisabled-optimization'
2126 elif $cc -v 2>&1 | grep -q Open64; then
2127 cc_type=open64
2128 cc_version=__OPEN64__
2129 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2130 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2131 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2132 speed_cflags='-O2'
2133 size_cflags='-Os'
2134 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2135 fi
2136
2137 test -n "$cc_type" && enable $cc_type ||
2138 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2139
2140 : ${as_default:=$cc}
2141 : ${dep_cc_default:=$cc}
2142 : ${ld_default:=$cc}
2143 set_default ar as dep_cc ld
2144
2145 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2146 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2147
2148 add_cflags $extra_cflags
2149 add_asflags $extra_cflags
2150
2151 if test -n "$sysroot"; then
2152 case "$cc_type" in
2153 gcc|llvm_gcc|clang)
2154 add_cppflags --sysroot="$sysroot"
2155 add_ldflags --sysroot="$sysroot"
2156 ;;
2157 tms470)
2158 add_cppflags -I"$sysinclude"
2159 add_ldflags --sysroot="$sysroot"
2160 ;;
2161 esac
2162 fi
2163
2164 if test "$cpu" = host; then
2165 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2166
2167 case "$cc_type" in
2168 gcc|llvm_gcc)
2169 check_native(){
2170 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2171 sed -n "/cc1.*$1=/{
2172 s/.*$1=\\([^ ]*\\).*/\\1/
2173 p
2174 q
2175 }" $TMPE
2176 }
2177 cpu=$(check_native -march || check_native -mcpu)
2178 ;;
2179 esac
2180
2181 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2182 fi
2183
2184 # Deal with common $arch aliases
2185 case "$arch" in
2186 arm*)
2187 arch="arm"
2188 ;;
2189 mips|mipsel|IP*)
2190 arch="mips"
2191 ;;
2192 mips64*)
2193 arch="mips"
2194 subarch="mips64"
2195 ;;
2196 parisc|hppa)
2197 arch="parisc"
2198 ;;
2199 parisc64|hppa64)
2200 arch="parisc"
2201 subarch="parisc64"
2202 ;;
2203 "Power Macintosh"|ppc|powerpc)
2204 arch="ppc"
2205 ;;
2206 ppc64|powerpc64)
2207 arch="ppc"
2208 subarch="ppc64"
2209 ;;
2210 s390|s390x)
2211 arch="s390"
2212 ;;
2213 sh4|sh)
2214 arch="sh4"
2215 ;;
2216 sun4u|sparc64)
2217 arch="sparc"
2218 subarch="sparc64"
2219 ;;
2220 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2221 arch="x86"
2222 ;;
2223 esac
2224
2225 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2226 enable $arch
2227
2228 # Add processor-specific flags
2229 if test "$cpu" = generic; then
2230 : do nothing
2231 elif enabled ppc; then
2232
2233 case $(tolower $cpu) in
2234 601|ppc601|powerpc601)
2235 cpuflags="-mcpu=601"
2236 disable altivec
2237 ;;
2238 603*|ppc603*|powerpc603*)
2239 cpuflags="-mcpu=603"
2240 disable altivec
2241 ;;
2242 604*|ppc604*|powerpc604*)
2243 cpuflags="-mcpu=604"
2244 disable altivec
2245 ;;
2246 g3|75*|ppc75*|powerpc75*)
2247 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2248 disable altivec
2249 ;;
2250 g4|745*|ppc745*|powerpc745*)
2251 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2252 ;;
2253 74*|ppc74*|powerpc74*)
2254 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2255 ;;
2256 g5|970|ppc970|powerpc970|power4*)
2257 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2258 ;;
2259 cell)
2260 cpuflags="-mcpu=cell"
2261 enable ldbrx
2262 ;;
2263 e500v2)
2264 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2265 disable altivec
2266 ;;
2267 e500)
2268 cpuflags="-mcpu=8540 -mhard-float"
2269 disable altivec
2270 ;;
2271 esac
2272
2273 elif enabled x86; then
2274
2275 case $cpu in
2276 i[345]86|pentium)
2277 cpuflags="-march=$cpu"
2278 disable mmx
2279 ;;
2280 # targets that do NOT support conditional mov (cmov)
2281 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2282 cpuflags="-march=$cpu"
2283 disable cmov
2284 ;;
2285 # targets that do support conditional mov (cmov)
2286 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2287 cpuflags="-march=$cpu"
2288 enable cmov
2289 enable fast_cmov
2290 ;;
2291 # targets that do support conditional mov but on which it's slow
2292 pentium4|pentium4m|prescott|nocona)
2293 cpuflags="-march=$cpu"
2294 enable cmov
2295 disable fast_cmov
2296 ;;
2297 esac
2298
2299 elif enabled sparc; then
2300
2301 case $cpu in
2302 niagara)
2303 cpuflags="-mcpu=$cpu"
2304 disable vis
2305 ;;
2306 sparc64)
2307 cpuflags="-mcpu=v9"
2308 ;;
2309 esac
2310
2311 elif enabled arm; then
2312
2313 case $cpu in
2314 armv*)
2315 cpuflags="-march=$cpu"
2316 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2317 ;;
2318 *)
2319 cpuflags="-mcpu=$cpu"
2320 case $cpu in
2321 cortex-a*) subarch=armv7a ;;
2322 cortex-r*) subarch=armv7r ;;
2323 cortex-m*) enable thumb; subarch=armv7m ;;
2324 arm11*) subarch=armv6 ;;
2325 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2326 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2327 esac
2328 ;;
2329 esac
2330
2331 elif enabled alpha; then
2332
2333 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2334
2335 elif enabled bfin; then
2336
2337 cpuflags="-mcpu=$cpu"
2338
2339 elif enabled mips; then
2340
2341 cpuflags="-march=$cpu"
2342
2343 elif enabled avr32; then
2344
2345 case $cpu in
2346 ap7[02]0[0-2])
2347 subarch="avr32_ap"
2348 cpuflags="-mpart=$cpu"
2349 ;;
2350 ap)
2351 subarch="avr32_ap"
2352 cpuflags="-march=$cpu"
2353 ;;
2354 uc3[ab]*)
2355 subarch="avr32_uc"
2356 cpuflags="-mcpu=$cpu"
2357 ;;
2358 uc)
2359 subarch="avr32_uc"
2360 cpuflags="-march=$cpu"
2361 ;;
2362 esac
2363
2364 fi
2365
2366 add_cflags $cpuflags
2367 add_asflags $cpuflags
2368
2369 # compiler sanity check
2370 check_exec <<EOF
2371 int main(void){ return 0; }
2372 EOF
2373 if test "$?" != 0; then
2374 echo "$cc is unable to create an executable file."
2375 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2376 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2377 echo "Only do this if you know what cross compiling means."
2378 fi
2379 die "C compiler test failed."
2380 fi
2381
2382 add_cppflags -D_ISOC99_SOURCE
2383 check_cflags -std=c99
2384 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2385 #include <stdlib.h>
2386 EOF
2387 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2388 #include <stdlib.h>
2389 EOF
2390
2391 check_host_cflags -std=c99
2392 check_host_cflags -Wall
2393
2394 case "$arch" in
2395 alpha|ia64|mips|parisc|sparc)
2396 spic=$shared
2397 ;;
2398 x86)
2399 subarch="x86_32"
2400 check_cc <<EOF && subarch="x86_64"
2401 int test[(int)sizeof(char*) - 7];
2402 EOF
2403 if test "$subarch" = "x86_64"; then
2404 spic=$shared
2405 fi
2406 ;;
2407 esac
2408
2409 enable $subarch
2410 enabled spic && enable pic
2411
2412 # OS specific
2413 case $target_os in
2414 haiku)
2415 prefix_default="/boot/common"
2416 network_extralibs="-lnetwork"
2417 host_libs=
2418 ;;
2419 sunos)
2420 AVSERVERLDFLAGS=""
2421 SHFLAGS='-shared -Wl,-h,$$(@F)'
2422 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2423 network_extralibs="-lsocket -lnsl"
2424 add_cppflags -D__EXTENSIONS__
2425 # When using suncc to build, the Solaris linker will mark
2426 # an executable with each instruction set encountered by
2427 # the Solaris assembler. As our libraries contain their own
2428 # guards for processor-specific code, instead suppress
2429 # generation of the HWCAPS ELF section on Solaris x86 only.
2430 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2431 nm_opts='-P -g'
2432 ;;
2433 netbsd)
2434 disable symver
2435 oss_indev_extralibs="-lossaudio"
2436 oss_outdev_extralibs="-lossaudio"
2437 ;;
2438 openbsd)
2439 enable malloc_aligned
2440 # On OpenBSD 4.5. the compiler does not use PIC unless
2441 # explicitly using -fPIC. Libav builds fine without PIC,
2442 # however the generated executable will not do anything
2443 # (simply quits with exit-code 1, no crash, no output).
2444 # Thus explicitly enable PIC here.
2445 enable pic
2446 disable symver
2447 SHFLAGS='-shared'
2448 oss_indev_extralibs="-lossaudio"
2449 oss_outdev_extralibs="-lossaudio"
2450 ;;
2451 dragonfly)
2452 enable malloc_aligned
2453 disable symver
2454 ;;
2455 freebsd)
2456 enable malloc_aligned
2457 ;;
2458 bsd/os)
2459 add_extralibs -lpoll -lgnugetopt
2460 ;;
2461 darwin)
2462 enable malloc_aligned
2463 gas="gas-preprocessor.pl $cc"
2464 enabled ppc && add_asflags -force_cpusubtype_ALL
2465 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2466 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2467 add_ldflags -Wl,-dynamic,-search_paths_first
2468 SLIBSUF=".dylib"
2469 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2470 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2471 AVSERVERLDFLAGS=-Wl,-bind_at_load
2472 objformat="macho"
2473 enabled x86_64 && objformat="macho64"
2474 enabled_any pic shared ||
2475 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2476 ;;
2477 mingw32*)
2478 if test $target_os = "mingw32ce"; then
2479 disable network
2480 else
2481 target_os=mingw32
2482 fi
2483 LIBTARGET=i386
2484 if enabled x86_64; then
2485 enable malloc_aligned
2486 LIBTARGET="i386:x86-64"
2487 elif enabled arm; then
2488 LIBTARGET=arm-wince
2489 fi
2490 shlibdir_default="$bindir_default"
2491 SLIBPREF=""
2492 SLIBSUF=".dll"
2493 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2494 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2495 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2496 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2497 SLIB_INSTALL_LINKS=
2498 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2499 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2500 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'
2501 objformat="win32"
2502 dlltool="${cross_prefix}dlltool"
2503 enable dos_paths
2504 check_cflags -fno-common
2505 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2506 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2507 die "ERROR: MinGW runtime version must be >= 3.15."
2508 add_cppflags -U__STRICT_ANSI__
2509 ;;
2510 cygwin*)
2511 target_os=cygwin
2512 shlibdir_default="$bindir_default"
2513 SLIBPREF="cyg"
2514 SLIBSUF=".dll"
2515 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2516 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2517 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2518 objformat="win32"
2519 enable dos_paths
2520 check_cflags -fno-common
2521 add_cppflags -U__STRICT_ANSI__
2522 ;;
2523 *-dos|freedos|opendos)
2524 network_extralibs="-lsocket"
2525 objformat="coff"
2526 enable dos_paths
2527 add_cppflags -U__STRICT_ANSI__
2528 ;;
2529 linux)
2530 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2531 enable dv1394
2532 ;;
2533 irix*)
2534 target_os=irix
2535 ranlib="echo ignoring ranlib"
2536 ;;
2537 os/2*)
2538 ln_s="cp -f"
2539 objformat="aout"
2540 add_cppflags -D_GNU_SOURCE
2541 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2542 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2543 AVSERVERLDFLAGS=""
2544 LIBSUF="_s.a"
2545 SLIBPREF=""
2546 SLIBSUF=".dll"
2547 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2548 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2549 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2550 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2551 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2552 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2553 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2554 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2555 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2556 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2557 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2558 enable dos_paths
2559 ;;
2560 gnu/kfreebsd)
2561 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2562 ;;
2563 gnu)
2564 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2565 ;;
2566 qnx)
2567 add_cppflags -D_QNX_SOURCE
2568 network_extralibs="-lsocket"
2569 ;;
2570 symbian)
2571 SLIBSUF=".dll"
2572 enable dos_paths
2573 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2574 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2575 add_ldflags -Wl,--target1-abs,--no-undefined \
2576 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2577 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2578 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2579 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2580 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2581 ;;
2582 none)
2583 ;;
2584 *)
2585 die "Unknown OS '$target_os'."
2586 ;;
2587 esac
2588
2589 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2590
2591 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2592
2593 set_default $PATHS_LIST
2594
2595 # we need to build at least one lib type
2596 if ! enabled_any static shared; then
2597 cat <<EOF
2598 At least one library type must be built.
2599 Specify --enable-static to build the static libraries or --enable-shared to
2600 build the shared libraries as well. To only build the shared libraries specify
2601 --disable-static in addition to --enable-shared.
2602 EOF
2603 exit 1;
2604 fi
2605
2606 die_license_disabled() {
2607 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2608 }
2609
2610 die_license_disabled gpl libcdio
2611 die_license_disabled gpl libx264
2612 die_license_disabled gpl libxavs
2613 die_license_disabled gpl libxvid
2614 die_license_disabled gpl x11grab
2615
2616 die_license_disabled nonfree libfaac
2617 die_license_disabled nonfree openssl
2618
2619 die_license_disabled version3 libopencore_amrnb
2620 die_license_disabled version3 libopencore_amrwb
2621 die_license_disabled version3 libvo_aacenc
2622 die_license_disabled version3 libvo_amrwbenc
2623
2624 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2625
2626 disabled optimizations || check_cflags -fomit-frame-pointer
2627
2628 enable_pic() {
2629 enable pic
2630 add_cppflags -DPIC
2631 add_cflags -fPIC
2632 add_asflags -fPIC
2633 }
2634
2635 enabled pic && enable_pic
2636
2637 check_cc <<EOF || die "Symbol mangling check failed."
2638 int ff_extern;
2639 EOF
2640 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2641 extern_prefix=${sym%%ff_extern*}
2642
2643 check_cc <<EOF && enable inline_asm
2644 void foo(void) { __asm__ volatile ("" ::); }
2645 EOF
2646
2647 _restrict=
2648 for restrict_keyword in restrict __restrict__ __restrict; do
2649 check_cc <<EOF && _restrict=$restrict_keyword && break
2650 void foo(char * $restrict_keyword p);
2651 EOF
2652 done
2653
2654 check_cc <<EOF && enable attribute_packed
2655 struct { int x; } __attribute__((packed)) x;
2656 EOF
2657
2658 check_cc <<EOF && enable attribute_may_alias
2659 union { int x; } __attribute__((may_alias)) x;
2660 EOF
2661
2662 check_cc <<EOF || die "endian test failed"
2663 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2664 EOF
2665 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2666
2667 if enabled alpha; then
2668
2669 check_cflags -mieee
2670
2671 elif enabled arm; then
2672
2673 enabled thumb && check_cflags -mthumb || check_cflags -marm
2674 nogas=die
2675
2676 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2677 enable vfp_args
2678 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2679 case "${cross_prefix:-$cc}" in
2680 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2681 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2682 __asm__ (".eabi_attribute 28, 1");
2683 int main(void) { return 0; }
2684 EOF
2685 esac
2686 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2687 fi
2688
2689 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2690 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2691 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2692 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2693 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2694 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2695 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2696
2697 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2698
2699 enabled_all armv6t2 shared !pic && enable_pic
2700
2701 elif enabled mips; then
2702
2703 check_asm loongson '"dmult.g $1, $2, $3"'
2704 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2705
2706 elif enabled ppc; then
2707
2708 enable local_aligned_8 local_aligned_16
2709
2710 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2711 check_asm ibm_asm '"add 0, 0, 0"'
2712 check_asm ppc4xx '"maclhw r10, r11, r12"'
2713 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2714
2715 # AltiVec flags: The FSF version of GCC differs from the Apple version
2716 if enabled altivec; then
2717 nogas=warn
2718 check_cflags -maltivec -mabi=altivec &&
2719 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2720 check_cflags -faltivec
2721
2722 # check if our compiler supports Motorola AltiVec C API
2723 check_cc <<EOF || disable altivec
2724 $inc_altivec_h
2725 int main(void) {
2726 vector signed int v1, v2, v3;
2727 v1 = vec_add(v2,v3);
2728 return 0;
2729 }
2730 EOF
2731
2732 # check if our compiler supports braces for vector declarations
2733 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2734 $inc_altivec_h
2735 int main (void) { (vector int) {1}; return 0; }
2736 EOF
2737 fi
2738
2739 elif enabled sparc; then
2740
2741 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2742 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2743
2744 elif enabled x86; then
2745
2746 enable local_aligned_8 local_aligned_16
2747
2748 # check whether EBP is available on x86
2749 # As 'i' is stored on the stack, this program will crash
2750 # if the base pointer is used to access it because the
2751 # base pointer is cleared in the inline assembly code.
2752 check_exec_crash <<EOF && enable ebp_available
2753 volatile int i=0;
2754 __asm__ volatile (
2755 "xorl %%ebp, %%ebp"
2756 ::: "%ebp");
2757 return i;
2758 EOF
2759
2760 # check whether EBX is available on x86
2761 check_asm ebx_available '""::"b"(0)' &&
2762 check_asm ebx_available '"":::"%ebx"'
2763
2764 # check whether xmm clobbers are supported
2765 check_asm xmm_clobbers '"":::"%xmm0"'
2766
2767 # check whether binutils is new enough to compile SSSE3/MMX2
2768 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2769 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2770
2771 if ! disabled_any asm mmx yasm; then
2772 if check_cmd $yasmexe --version; then
2773 enabled x86_64 && yasm_extra="-m amd64"
2774 yasm_debug="-g dwarf2"
2775 elif check_cmd nasm -v; then
2776 yasmexe=nasm
2777 yasm_debug="-g -F dwarf"
2778 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2779 fi
2780
2781 YASMFLAGS="-f $objformat $yasm_extra"
2782 enabled pic && append YASMFLAGS "-DPIC"
2783 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2784 case "$objformat" in
2785 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2786 esac
2787
2788 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2789 die "yasm not found, use --disable-yasm for a crippled build"
2790 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2791 fi
2792
2793 case "$cpu" in
2794 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2795 disable fast_clz
2796 ;;
2797 esac
2798
2799 fi
2800
2801 if enabled asm; then
2802 as=${gas:=$as}
2803 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2804 $nogas "GNU assembler not found, install gas-preprocessor"
2805 fi
2806
2807 check_ldflags -Wl,--as-needed
2808
2809 if check_func dlopen; then
2810 ldl=
2811 elif check_func dlopen -ldl; then
2812 ldl=-ldl
2813 fi
2814
2815 if enabled network; then
2816 check_type "sys/types.h sys/socket.h" socklen_t
2817 check_type netdb.h "struct addrinfo"
2818 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2819 check_type netinet/in.h "struct sockaddr_in6"
2820 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2821 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2822 # Prefer arpa/inet.h over winsock2
2823 if check_header arpa/inet.h ; then
2824 check_func closesocket
2825 elif check_header winsock2.h ; then
2826 check_func_headers winsock2.h closesocket -lws2 && \
2827 network_extralibs="-lws2" || \
2828 { check_func_headers winsock2.h closesocket -lws2_32 && \
2829 network_extralibs="-lws2_32"; }
2830 check_type ws2tcpip.h socklen_t
2831 check_type ws2tcpip.h "struct addrinfo"
2832 check_type ws2tcpip.h "struct ipv6_mreq"
2833 check_type ws2tcpip.h "struct sockaddr_in6"
2834 check_type ws2tcpip.h "struct sockaddr_storage"
2835 check_struct winsock2.h "struct sockaddr" sa_len
2836 else
2837 disable network
2838 fi
2839 fi
2840
2841 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2842 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2843
2844 check_func fcntl
2845 check_func fork
2846 check_func getaddrinfo $network_extralibs
2847 check_func gethrtime
2848 check_func getrusage
2849 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2850 check_func inet_aton $network_extralibs
2851 check_func isatty
2852 check_func localtime_r
2853 check_func ${malloc_prefix}memalign && enable memalign
2854 check_func mkstemp
2855 check_func mmap
2856 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2857 check_func setrlimit
2858 check_func strerror_r
2859 check_func strptime
2860 check_func strtok_r
2861 check_func sched_getaffinity
2862 check_func sysconf
2863 check_func sysctl
2864 check_func_headers io.h setmode
2865 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2866 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2867 check_func_headers windows.h GetProcessAffinityMask
2868 check_func_headers windows.h GetProcessTimes
2869 check_func_headers windows.h MapViewOfFile
2870 check_func_headers windows.h VirtualAlloc
2871
2872 check_header dlfcn.h
2873 check_header dxva2api.h
2874 check_header malloc.h
2875 check_header poll.h
2876 check_header sys/mman.h
2877 check_header sys/param.h
2878 check_header sys/resource.h
2879 check_header sys/select.h
2880 check_header vdpau/vdpau.h
2881 check_header vdpau/vdpau_x11.h
2882 check_header X11/extensions/XvMClib.h
2883
2884 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2885
2886 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2887 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2888
2889 if ! disabled w32threads && ! enabled pthreads; then
2890 check_func _beginthreadex && enable w32threads
2891 fi
2892
2893 # check for some common methods of building with pthread support
2894 # do this before the optional library checks as some of them require pthreads
2895 if ! disabled pthreads && ! enabled w32threads; then
2896 enable pthreads
2897 if check_func pthread_create; then
2898 :
2899 elif check_func pthread_create -pthread; then
2900 add_cflags -pthread
2901 add_extralibs -pthread
2902 elif check_func pthread_create -pthreads; then
2903 add_cflags -pthreads
2904 add_extralibs -pthreads
2905 elif check_func pthread_create -lpthreadGC2; then
2906 add_extralibs -lpthreadGC2
2907 elif ! check_lib pthread.h pthread_create -lpthread; then
2908 disable pthreads
2909 fi
2910 fi
2911
2912 for thread in $THREADS_LIST; do
2913 if enabled $thread; then
2914 test -n "$thread_type" &&
2915 die "ERROR: Only one thread type must be selected." ||
2916 thread_type="$thread"
2917 fi
2918 done
2919
2920 check_lib math.h sin -lm && LIBM="-lm"
2921 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2922
2923 check_mathfunc exp2
2924 check_mathfunc exp2f
2925 check_mathfunc llrint
2926 check_mathfunc llrintf
2927 check_mathfunc log2
2928 check_mathfunc log2f
2929 check_mathfunc lrint
2930 check_mathfunc lrintf
2931 check_mathfunc round
2932 check_mathfunc roundf
2933 check_mathfunc trunc
2934 check_mathfunc truncf
2935
2936 # these are off by default, so fail if requested and not available
2937 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2938 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2939 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2940 enabled libdirac && require_pkg_config dirac \
2941 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2942 "dirac_decoder_init dirac_encoder_init"
2943 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2944 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2945 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2946 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2947 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2948 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2949 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2950 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2951 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2952 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2953 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2954 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2955 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2956 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2957 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2958 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2959 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2960 enabled libvpx && {
2961 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2962 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2963 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2964 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2965 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2966 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2967 die "ERROR: libx264 version must be >= 0.118."; }
2968 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2969 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2970 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2971 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2972 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2973 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2974 die "ERROR: openssl not found"; }
2975
2976 # libdc1394 check
2977 if enabled libdc1394; then
2978 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2979 enable libdc1394_2; } ||
2980 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2981 enable libdc1394_1; } ||
2982 die "ERROR: No version of libdc1394 found "
2983 fi
2984
2985 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2986 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2987 enable sdl &&
2988 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2989 fi
2990
2991 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2992
2993 check_header linux/fb.h
2994 check_header linux/videodev2.h
2995 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2996
2997 check_header sys/videoio.h
2998
2999 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3000 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3001 # w32api 3.12 had it defined wrong
3002 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3003
3004 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3005 { check_header dev/bktr/ioctl_meteor.h &&
3006 check_header dev/bktr/ioctl_bt848.h; } ||
3007 { check_header machine/ioctl_meteor.h &&
3008 check_header machine/ioctl_bt848.h; } ||
3009 { check_header dev/video/meteor/ioctl_meteor.h &&
3010 check_header dev/video/bktr/ioctl_bt848.h; } ||
3011 check_header dev/ic/bt8xx.h
3012
3013 check_header sndio.h
3014 check_header sys/soundcard.h
3015 check_header soundcard.h
3016
3017 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3018
3019 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3020
3021 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3022
3023 enabled libcdio &&
3024 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3025
3026 enabled x11grab &&
3027 check_header X11/Xlib.h &&
3028 check_header X11/extensions/XShm.h &&
3029 check_header X11/extensions/Xfixes.h &&
3030 check_func XOpenDisplay -lX11 &&
3031 check_func XShmCreateImage -lX11 -lXext &&
3032 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3033
3034 # check for VDA header
3035 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3036 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3037 fi
3038
3039 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3040 check_cpp_condition \
3041 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3042 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3043 disable vdpau; }
3044 fi
3045
3046 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3047
3048 # add some useful compiler flags if supported
3049 check_cflags -Wdeclaration-after-statement
3050 check_cflags -Wall
3051 check_cflags -Wno-parentheses
3052 check_cflags -Wno-switch
3053 check_cflags -Wno-format-zero-length
3054 check_cflags -Wdisabled-optimization
3055 check_cflags -Wpointer-arith
3056 check_cflags -Wredundant-decls
3057 check_cflags -Wno-pointer-sign
3058 check_cflags -Wcast-qual
3059 check_cflags -Wwrite-strings
3060 check_cflags -Wtype-limits
3061 check_cflags -Wundef
3062 check_cflags -Wmissing-prototypes
3063 check_cflags -Wstrict-prototypes
3064 enabled extra_warnings && check_cflags -Winline
3065
3066 # add some linker flags
3067 check_ldflags -Wl,--warn-common
3068 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3069 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3070
3071 enabled xmm_clobber_test && \
3072 check_ldflags -Wl,--wrap,avcodec_open2 \
3073 -Wl,--wrap,avcodec_decode_audio4 \
3074 -Wl,--wrap,avcodec_decode_video2 \
3075 -Wl,--wrap,avcodec_decode_subtitle2 \
3076 -Wl,--wrap,avcodec_encode_audio2 \
3077 -Wl,--wrap,avcodec_encode_video \
3078 -Wl,--wrap,avcodec_encode_subtitle \
3079 -Wl,--wrap,sws_scale || \
3080 disable xmm_clobber_test
3081
3082 echo "X{};" > $TMPV
3083 if test_ldflags -Wl,--version-script,$TMPV; then
3084 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3085 check_cc <<EOF && enable symver_asm_label
3086 void ff_foo(void) __asm__ ("av_foo@VERSION");
3087 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3088 EOF
3089 check_cc <<EOF && enable symver_gnu_asm
3090 __asm__(".symver ff_foo,av_foo@VERSION");
3091 void ff_foo(void) {}
3092 EOF
3093 fi
3094
3095 if [ -n "$optflags" ]; then
3096 add_cflags $optflags
3097 elif enabled small; then
3098 add_cflags $size_cflags
3099 elif enabled optimizations; then
3100 add_cflags $speed_cflags
3101 else
3102 add_cflags $noopt_cflags
3103 fi
3104 check_cflags -fno-math-errno
3105 check_cflags -fno-signed-zeros
3106
3107 if enabled icc; then
3108 # Just warnings, no remarks
3109 check_cflags -w1
3110 # -wd: Disable following warnings
3111 # 144, 167, 556: -Wno-pointer-sign
3112 # 1292: attribute "foo" ignored
3113 # 10006: ignoring unknown option -fno-signed-zeros
3114 # 10148: ignoring unknown option -Wno-parentheses
3115 # 10156: ignoring option '-W'; no argument required
3116 check_cflags -wd144,167,556,1292,10006,10148,10156
3117 # 11030: Warning unknown option --as-needed
3118 # 10156: ignoring option '-export'; no argument required
3119 check_ldflags -wd10156,11030
3120 # Allow to compile with optimizations
3121 check_ldflags -march=$cpu
3122 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3123 enable ebp_available
3124 if enabled x86_32; then
3125 test ${icc_version%%.*} -ge 11 && \
3126 check_cflags -falign-stack=maintain-16-byte || \
3127 disable aligned_stack
3128 fi
3129 elif enabled ccc; then
3130 # disable some annoying warnings
3131 add_cflags -msg_disable cvtu32to64
3132 add_cflags -msg_disable embedcomment
3133 add_cflags -msg_disable needconstext
3134 add_cflags -msg_disable nomainieee
3135 add_cflags -msg_disable ptrmismatch1
3136 add_cflags -msg_disable unreachcode
3137 elif enabled gcc; then
3138 check_cflags -fno-tree-vectorize
3139 check_cflags -Werror=implicit-function-declaration
3140 check_cflags -Werror=missing-prototypes
3141 check_cflags -Werror=declaration-after-statement
3142 elif enabled llvm_gcc; then
3143 check_cflags -mllvm -stack-alignment=16
3144 elif enabled clang; then
3145 check_cflags -mllvm -stack-alignment=16
3146 check_cflags -Qunused-arguments
3147 elif enabled armcc; then
3148 # 2523: use of inline assembler is deprecated
3149 add_cflags -W${armcc_opt},--diag_suppress=2523
3150 add_cflags -W${armcc_opt},--diag_suppress=1207
3151 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3152 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3153 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3154 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3155 elif enabled tms470; then
3156 add_cflags -pds=824 -pds=837
3157 elif enabled pathscale; then
3158 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3159 fi
3160
3161 enabled_any $THREADS_LIST && enable threads
3162
3163 check_deps $CONFIG_LIST \
3164 $CONFIG_EXTRA \
3165 $HAVE_LIST \
3166 $ALL_COMPONENTS \
3167 $ALL_TESTS \
3168
3169 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3170
3171 ! enabled_any memalign posix_memalign malloc_aligned &&
3172 enabled_any $need_memalign && enable memalign_hack
3173
3174 echo "install prefix $prefix"
3175 echo "source path $source_path"
3176 echo "C compiler $cc"
3177 echo "ARCH $arch ($cpu)"
3178 if test "$build_suffix" != ""; then
3179 echo "build suffix $build_suffix"
3180 fi
3181 if test "$extra_version" != ""; then
3182 echo "version string suffix $extra_version"
3183 fi
3184 echo "big-endian ${bigendian-no}"
3185 echo "runtime cpu detection ${runtime_cpudetect-no}"
3186 if enabled x86; then
3187 echo "${yasmexe} ${yasm-no}"
3188 echo "MMX enabled ${mmx-no}"
3189 echo "MMX2 enabled ${mmx2-no}"
3190 echo "3DNow! enabled ${amd3dnow-no}"
3191 echo "3DNow! extended enabled ${amd3dnowext-no}"
3192 echo "SSE enabled ${sse-no}"
3193 echo "SSSE3 enabled ${ssse3-no}"
3194 echo "AVX enabled ${avx-no}"
3195 echo "CMOV enabled ${cmov-no}"
3196 echo "CMOV is fast ${fast_cmov-no}"
3197 echo "EBX available ${ebx_available-no}"
3198 echo "EBP available ${ebp_available-no}"
3199 fi
3200 if enabled arm; then
3201 echo "ARMv5TE enabled ${armv5te-no}"
3202 echo "ARMv6 enabled ${armv6-no}"
3203 echo "ARMv6T2 enabled ${armv6t2-no}"
3204 echo "ARM VFP enabled ${armvfp-no}"
3205 echo "IWMMXT enabled ${iwmmxt-no}"
3206 echo "NEON enabled ${neon-no}"
3207 fi
3208 if enabled mips; then
3209 echo "MMI enabled ${mmi-no}"
3210 fi
3211 if enabled ppc; then
3212 echo "AltiVec enabled ${altivec-no}"
3213 echo "PPC 4xx optimizations ${ppc4xx-no}"
3214 echo "dcbzl available ${dcbzl-no}"
3215 fi
3216 if enabled sparc; then
3217 echo "VIS enabled ${vis-no}"
3218 fi
3219 echo "debug symbols ${debug-no}"
3220 echo "optimize for size ${small-no}"
3221 echo "optimizations ${optimizations-no}"
3222 echo "static ${static-no}"
3223 echo "shared ${shared-no}"
3224 echo "postprocessing support ${postproc-no}"
3225 echo "new filter support ${avfilter-no}"
3226 echo "network support ${network-no}"
3227 echo "threading support ${thread_type-no}"
3228 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3229 echo "SDL support ${sdl-no}"
3230 echo "Sun medialib support ${mlib-no}"
3231 echo "libdxva2 enabled ${dxva2-no}"
3232 echo "libva enabled ${vaapi-no}"
3233 echo "libvdpau enabled ${vdpau-no}"
3234 echo "AVISynth enabled ${avisynth-no}"
3235 echo "frei0r enabled ${frei0r-no}"
3236 echo "gnutls enabled ${gnutls-no}"
3237 echo "libcdio support ${libcdio-no}"
3238 echo "libdc1394 support ${libdc1394-no}"
3239 echo "libdirac enabled ${libdirac-no}"
3240 echo "libfaac enabled ${libfaac-no}"
3241 echo "libgsm enabled ${libgsm-no}"
3242 echo "libmp3lame enabled ${libmp3lame-no}"
3243 echo "libnut enabled ${libnut-no}"
3244 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3245 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3246 echo "libopencv support ${libopencv-no}"
3247 echo "libopenjpeg enabled ${libopenjpeg-no}"
3248 echo "libpulse enabled ${libpulse-no}"
3249 echo "librtmp enabled ${librtmp-no}"
3250 echo "libschroedinger enabled ${libschroedinger-no}"
3251 echo "libspeex enabled ${libspeex-no}"
3252 echo "libtheora enabled ${libtheora-no}"
3253 echo "libvo-aacenc support ${libvo_aacenc-no}"
3254 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3255 echo "libvorbis enabled ${libvorbis-no}"
3256 echo "libvpx enabled ${libvpx-no}"
3257 echo "libx264 enabled ${libx264-no}"
3258 echo "libxavs enabled ${libxavs-no}"
3259 echo "libxvid enabled ${libxvid-no}"
3260 echo "openssl enabled ${openssl-no}"
3261 echo "zlib enabled ${zlib-no}"
3262 echo "bzlib enabled ${bzlib-no}"
3263 echo
3264
3265 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3266 echo "Enabled ${type}s:"
3267 eval list=\$$(toupper $type)_LIST
3268 print_enabled '_*' $list | sort | pr -r -3 -t
3269 echo
3270 done
3271
3272 license="LGPL version 2.1 or later"
3273 if enabled nonfree; then
3274 license="nonfree and unredistributable"
3275 elif enabled gplv3; then
3276 license="GPL version 3 or later"
3277 elif enabled lgplv3; then
3278 license="LGPL version 3 or later"
3279 elif enabled gpl; then
3280 license="GPL version 2 or later"
3281 fi
3282
3283 echo "License: $license"
3284
3285 echo "Creating config.mak and config.h..."
3286
3287 test -e Makefile || $ln_s "$source_path/Makefile" .
3288
3289 config_files="$TMPH config.mak"
3290
3291 cat > config.mak <<EOF
3292 # Automatically generated by configure - do not modify!
3293 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3294 prefix=$prefix
3295 LIBDIR=\$(DESTDIR)$libdir
3296 SHLIBDIR=\$(DESTDIR)$shlibdir
3297 INCDIR=\$(DESTDIR)$incdir
3298 BINDIR=\$(DESTDIR)$bindir
3299 DATADIR=\$(DESTDIR)$datadir
3300 MANDIR=\$(DESTDIR)$mandir
3301 SRC_PATH=$source_path
3302 CC_IDENT=$cc_ident
3303 ARCH=$arch
3304 CC=$cc
3305 AS=$as
3306 LD=$ld
3307 DEPCC=$dep_cc
3308 YASM=$yasmexe
3309 YASMDEP=$yasmexe
3310 AR=$ar
3311 RANLIB=$ranlib
3312 LN_S=$ln_s
3313 CPPFLAGS=$CPPFLAGS
3314 CFLAGS=$CFLAGS
3315 ASFLAGS=$ASFLAGS
3316 AS_O=$CC_O
3317 CC_O=$CC_O
3318 DLLTOOL=$dlltool
3319 LDFLAGS=$LDFLAGS
3320 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3321 SHFLAGS=$SHFLAGS
3322 YASMFLAGS=$YASMFLAGS
3323 BUILDSUF=$build_suffix
3324 FULLNAME=$FULLNAME
3325 LIBPREF=$LIBPREF
3326 LIBSUF=$LIBSUF
3327 LIBNAME=$LIBNAME
3328 SLIBPREF=$SLIBPREF
3329 SLIBSUF=$SLIBSUF
3330 EXESUF=$EXESUF
3331 EXTRA_VERSION=$extra_version
3332 DEPFLAGS=$DEPFLAGS
3333 CCDEP=$CCDEP
3334 ASDEP=$ASDEP
3335 CC_DEPFLAGS=$CC_DEPFLAGS
3336 AS_DEPFLAGS=$AS_DEPFLAGS
3337 HOSTCC=$host_cc
3338 HOSTCFLAGS=$host_cflags
3339 HOSTEXESUF=$HOSTEXESUF
3340 HOSTLDFLAGS=$host_ldflags
3341 HOSTLIBS=$host_libs
3342 TARGET_EXEC=$target_exec
3343 TARGET_PATH=$target_path
3344 SDL_LIBS=$sdl_libs
3345 SDL_CFLAGS=$sdl_cflags
3346 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3347 EXTRALIBS=$extralibs
3348 INSTALL=install
3349 LIBTARGET=${LIBTARGET}
3350 SLIBNAME=${SLIBNAME}
3351 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3352 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3353 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3354 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3355 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3356 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3357 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3358 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3359 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3360 EOF
3361
3362 get_version(){
3363 name=$1
3364 file=$source_path/$2
3365 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3366 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3367 lcname=$(tolower $name)
3368 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3369 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3370 }
3371
3372 get_version LIBAVCODEC libavcodec/version.h
3373 get_version LIBAVDEVICE libavdevice/avdevice.h
3374 get_version LIBAVFILTER libavfilter/version.h
3375 get_version LIBAVFORMAT libavformat/version.h
3376 get_version LIBAVUTIL libavutil/avutil.h
3377 get_version LIBPOSTPROC libpostproc/postprocess.h
3378 get_version LIBSWSCALE libswscale/swscale.h
3379
3380 cat > $TMPH <<EOF
3381 /* Automatically generated by configure - do not modify! */
3382 #ifndef LIBAV_CONFIG_H
3383 #define LIBAV_CONFIG_H
3384 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3385 #define LIBAV_LICENSE "$(c_escape $license)"
3386 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3387 #define CC_TYPE "$cc_type"
3388 #define CC_VERSION $cc_version
3389 #define restrict $_restrict
3390 #define EXTERN_PREFIX "${extern_prefix}"
3391 #define EXTERN_ASM ${extern_prefix}
3392 #define SLIBSUF "$SLIBSUF"
3393 EOF
3394
3395 test -n "$malloc_prefix" &&
3396 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3397
3398 if enabled small || disabled optimizations; then
3399 echo "#undef av_always_inline" >> $TMPH
3400 if enabled small; then
3401 echo "#define av_always_inline inline" >> $TMPH
3402 else
3403 echo "#define av_always_inline av_unused" >> $TMPH
3404 fi
3405 fi
3406
3407 if enabled yasm; then
3408 append config_files $TMPASM
3409 printf '' >$TMPASM
3410 fi
3411
3412 print_config ARCH_ "$config_files" $ARCH_LIST
3413 print_config HAVE_ "$config_files" $HAVE_LIST
3414 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3415 $CONFIG_EXTRA \
3416 $ALL_COMPONENTS \
3417
3418 cat >>config.mak <<EOF
3419 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3420 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3421 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3422 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3423 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3424 EOF
3425
3426 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3427
3428 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3429 cp_if_changed $TMPH config.h
3430 touch .config
3431
3432 enabled yasm && cp_if_changed $TMPASM config.asm
3433
3434 cat > $TMPH <<EOF
3435 /* Generated by ffconf */
3436 #ifndef AVUTIL_AVCONFIG_H
3437 #define AVUTIL_AVCONFIG_H
3438 EOF
3439
3440 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3441
3442 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3443
3444 cp_if_changed $TMPH libavutil/avconfig.h
3445
3446 test -n "$WARNINGS" && printf "\n$WARNINGS"
3447
3448 # build pkg-config files
3449
3450 pkgconfig_generate(){
3451 name=$1
3452 shortname=${name#lib}${build_suffix}
3453 comment=$2
3454 version=$3
3455 libs=$4
3456 requires=$5
3457 enabled ${name#lib} || return 0
3458 mkdir -p $name
3459 cat <<EOF > $name/$name.pc
3460 prefix=$prefix
3461 exec_prefix=\${prefix}
3462 libdir=$libdir
3463 includedir=$incdir
3464
3465 Name: $name
3466 Description: $comment
3467 Version: $version
3468 Requires: $(enabled shared || echo $requires)
3469 Requires.private: $(enabled shared && echo $requires)
3470 Conflicts:
3471 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3472 Libs.private: $(enabled shared && echo $libs)
3473 Cflags: -I\${includedir}
3474 EOF
3475 cat <<EOF > $name/$name-uninstalled.pc
3476 prefix=
3477 exec_prefix=
3478 libdir=\${pcfiledir}
3479 includedir=${source_path}
3480
3481 Name: $name
3482 Description: $comment
3483 Version: $version
3484 Requires: $requires
3485 Conflicts:
3486 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3487 Cflags: -I\${includedir}
3488 EOF
3489 }
3490
3491 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3492 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3493 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3494 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3495 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3496 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3497 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"