build: fix standalone compilation of mpc7/mpc8 decoders
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --disable-safe-bitstream-reader
117 disable buffer boundary checking in bitreaders
118 (faster, but may crash)
119 --enable-memalign-hack emulate memalign, interferes with memory debuggers
120 --disable-everything disable all components listed below
121 --disable-encoder=NAME disable encoder NAME
122 --enable-encoder=NAME enable encoder NAME
123 --disable-encoders disable all encoders
124 --disable-decoder=NAME disable decoder NAME
125 --enable-decoder=NAME enable decoder NAME
126 --disable-decoders disable all decoders
127 --disable-hwaccel=NAME disable hwaccel NAME
128 --enable-hwaccel=NAME enable hwaccel NAME
129 --disable-hwaccels disable all hwaccels
130 --disable-muxer=NAME disable muxer NAME
131 --enable-muxer=NAME enable muxer NAME
132 --disable-muxers disable all muxers
133 --disable-demuxer=NAME disable demuxer NAME
134 --enable-demuxer=NAME enable demuxer NAME
135 --disable-demuxers disable all demuxers
136 --enable-parser=NAME enable parser NAME
137 --disable-parser=NAME disable parser NAME
138 --disable-parsers disable all parsers
139 --enable-bsf=NAME enable bitstream filter NAME
140 --disable-bsf=NAME disable bitstream filter NAME
141 --disable-bsfs disable all bitstream filters
142 --enable-protocol=NAME enable protocol NAME
143 --disable-protocol=NAME disable protocol NAME
144 --disable-protocols disable all protocols
145 --disable-indev=NAME disable input device NAME
146 --disable-outdev=NAME disable output device NAME
147 --disable-indevs disable input devices
148 --disable-outdevs disable output devices
149 --disable-devices disable all devices
150 --enable-filter=NAME enable filter NAME
151 --disable-filter=NAME disable filter NAME
152 --disable-filters disable all filters
153 --list-decoders show all available decoders
154 --list-encoders show all available encoders
155 --list-hwaccels show all available hardware accelerators
156 --list-muxers show all available muxers
157 --list-demuxers show all available demuxers
158 --list-parsers show all available parsers
159 --list-protocols show all available protocols
160 --list-bsfs show all available bitstream filters
161 --list-indevs show all available input devices
162 --list-outdevs show all available output devices
163 --list-filters show all available filters
164
165 External library support:
166 --enable-avisynth enable reading of AVISynth script files [no]
167 --enable-bzlib enable bzlib [autodetect]
168 --enable-frei0r enable frei0r video filtering
169 --enable-gnutls enable gnutls [no]
170 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
171 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
172 --enable-libopencv enable video filtering via libopencv [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libdirac enable Dirac support via libdirac [no]
177 --enable-libfaac enable FAAC support via libfaac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM support via libgsm [no]
180 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
181 --enable-libnut enable NUT (de)muxing via libnut,
182 native (de)muxer exists [no]
183 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac support via libschroedinger [no]
187 --enable-libspeex enable Speex support via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis,
192 native implementation exists [no]
193 --enable-libvpx enable VP8 support via libvpx [no]
194 --enable-libx264 enable H.264 encoding via x264 [no]
195 --enable-libxavs enable AVS encoding via xavs [no]
196 --enable-libxvid enable Xvid encoding via xvidcore,
197 native MPEG-4/Xvid encoder exists [no]
198 --enable-mlib enable Sun medialib [no]
199 --enable-openssl enable openssl [no]
200 --enable-zlib enable zlib [autodetect]
201
202 Advanced options (experts only):
203 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
204 --enable-cross-compile assume a cross-compiler is used
205 --sysroot=PATH root of cross-build tree
206 --sysinclude=PATH location of cross-build system headers
207 --target-os=OS compiler targets OS [$target_os]
208 --target-exec=CMD command to run executables on target
209 --target-path=DIR path to view of build directory on target
210 --nm=NM use nm tool
211 --ar=AR use archive tool AR [$ar_default]
212 --as=AS use assembler AS [$as_default]
213 --cc=CC use C compiler CC [$cc_default]
214 --ld=LD use linker LD
215 --host-cc=HOSTCC use host C compiler HOSTCC
216 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
223 --build-suffix=SUFFIX library name suffix []
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --disable-asm disable all assembler optimizations
228 --disable-altivec disable AltiVec optimizations
229 --disable-amd3dnow disable 3DNow! optimizations
230 --disable-amd3dnowext disable 3DNow! extended optimizations
231 --disable-mmx disable MMX optimizations
232 --disable-mmx2 disable MMX2 optimizations
233 --disable-sse disable SSE optimizations
234 --disable-ssse3 disable SSSE3 optimizations
235 --disable-avx disable AVX optimizations
236 --disable-armv5te disable armv5te optimizations
237 --disable-armv6 disable armv6 optimizations
238 --disable-armv6t2 disable armv6t2 optimizations
239 --disable-armvfp disable ARM VFP optimizations
240 --disable-iwmmxt disable iwmmxt optimizations
241 --disable-mmi disable MMI optimizations
242 --disable-neon disable neon optimizations
243 --disable-vis disable VIS optimizations
244 --disable-yasm disable use of yasm assembler
245 --enable-pic build position-independent code
246 --malloc-prefix=PFX prefix malloc and related names with PFX
247 --enable-sram allow use of on-chip SRAM
248 --disable-symver disable symbol versioning
249 --optflags override optimization-related compiler flags
250
251 Developer options (useful when working on Libav itself):
252 --disable-debug disable debugging symbols
253 --enable-debug=LEVEL set the debug level [$debuglevel]
254 --disable-optimizations disable compiler optimizations
255 --enable-extra-warnings enable more compiler warnings
256 --samples=PATH location of test samples for FATE, if not set use
257 \$FATE_SAMPLES at make invocation time.
258
259 NOTE: Object files are built at the place where configure is launched.
260 EOF
261 exit 0
262 }
263
264 quotes='""'
265
266 log(){
267 echo "$@" >> $logfile
268 }
269
270 log_file(){
271 log BEGIN $1
272 pr -n -t $1 >> $logfile
273 log END $1
274 }
275
276 echolog(){
277 log "$@"
278 echo "$@"
279 }
280
281 warn(){
282 log "WARNING: $*"
283 WARNINGS="${WARNINGS}WARNING: $*\n"
284 }
285
286 die(){
287 echolog "$@"
288 cat <<EOF
289
290 If you think configure made a mistake, make sure you are using the latest
291 version from Git. If the latest version fails, report the problem to the
292 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
293 EOF
294 if disabled logging; then
295 cat <<EOF
296 Rerun configure with logging enabled (do not use --disable-logging), and
297 include the log this produces with your report.
298 EOF
299 else
300 cat <<EOF
301 Include the log file "$logfile" produced by configure as this will help
302 solving the problem.
303 EOF
304 fi
305 exit 1
306 }
307
308 # Avoid locale weirdness, besides we really just want to translate ASCII.
309 toupper(){
310 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
311 }
312
313 tolower(){
314 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
315 }
316
317 c_escape(){
318 echo "$*" | sed 's/["\\]/\\\0/g'
319 }
320
321 sh_quote(){
322 v=$(echo "$1" | sed "s/'/'\\\\''/g")
323 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
324 echo "$v"
325 }
326
327 cleanws(){
328 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
329 }
330
331 filter(){
332 pat=$1
333 shift
334 for v; do
335 eval "case $v in $pat) echo $v ;; esac"
336 done
337 }
338
339 filter_out(){
340 pat=$1
341 shift
342 for v; do
343 eval "case $v in $pat) ;; *) echo $v ;; esac"
344 done
345 }
346
347 map(){
348 m=$1
349 shift
350 for v; do eval $m; done
351 }
352
353 set_all(){
354 value=$1
355 shift
356 for var in $*; do
357 eval $var=$value
358 done
359 }
360
361 set_weak(){
362 value=$1
363 shift
364 for var; do
365 eval : \${$var:=$value}
366 done
367 }
368
369 set_safe(){
370 var=$1
371 shift
372 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
373 }
374
375 get_safe(){
376 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
377 }
378
379 pushvar(){
380 for var in $*; do
381 eval level=\${${var}_level:=0}
382 eval ${var}_${level}="\$$var"
383 eval ${var}_level=$(($level+1))
384 done
385 }
386
387 popvar(){
388 for var in $*; do
389 eval level=\${${var}_level:-0}
390 test $level = 0 && continue
391 eval level=$(($level-1))
392 eval $var="\${${var}_${level}}"
393 eval ${var}_level=$level
394 eval unset ${var}_${level}
395 done
396 }
397
398 enable(){
399 set_all yes $*
400 }
401
402 disable(){
403 set_all no $*
404 }
405
406 enable_weak(){
407 set_weak yes $*
408 }
409
410 disable_weak(){
411 set_weak no $*
412 }
413
414 enable_safe(){
415 for var; do
416 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
417 done
418 }
419
420 disable_safe(){
421 for var; do
422 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
423 done
424 }
425
426 do_enable_deep(){
427 for var; do
428 enabled $var && continue
429 eval sel="\$${var}_select"
430 eval sgs="\$${var}_suggest"
431 pushvar var sgs
432 enable_deep $sel
433 popvar sgs
434 enable_deep_weak $sgs
435 popvar var
436 done
437 }
438
439 enable_deep(){
440 do_enable_deep $*
441 enable $*
442 }
443
444 enable_deep_weak(){
445 do_enable_deep $*
446 enable_weak $*
447 }
448
449 enabled(){
450 test "${1#!}" = "$1" && op== || op=!=
451 eval test "x\$${1#!}" $op "xyes"
452 }
453
454 disabled(){
455 test "${1#!}" = "$1" && op== || op=!=
456 eval test "x\$${1#!}" $op "xno"
457 }
458
459 enabled_all(){
460 for opt; do
461 enabled $opt || return 1
462 done
463 }
464
465 disabled_all(){
466 for opt; do
467 disabled $opt || return 1
468 done
469 }
470
471 enabled_any(){
472 for opt; do
473 enabled $opt && return 0
474 done
475 }
476
477 disabled_any(){
478 for opt; do
479 disabled $opt && return 0
480 done
481 return 1
482 }
483
484 set_default(){
485 for opt; do
486 eval : \${$opt:=\$${opt}_default}
487 done
488 }
489
490 is_in(){
491 value=$1
492 shift
493 for var in $*; do
494 [ $var = $value ] && return 0
495 done
496 return 1
497 }
498
499 check_deps(){
500 for cfg; do
501 cfg="${cfg#!}"
502 enabled ${cfg}_checking && die "Circular dependency for $cfg."
503 disabled ${cfg}_checking && continue
504 enable ${cfg}_checking
505
506 eval dep_all="\$${cfg}_deps"
507 eval dep_any="\$${cfg}_deps_any"
508 eval dep_sel="\$${cfg}_select"
509 eval dep_sgs="\$${cfg}_suggest"
510 eval dep_ifa="\$${cfg}_if"
511 eval dep_ifn="\$${cfg}_if_any"
512
513 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
514 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
515 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
516
517 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
518 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
519 enabled_all $dep_all || disable $cfg
520 enabled_any $dep_any || disable $cfg
521 disabled_any $dep_sel && disable $cfg
522
523 if enabled $cfg; then
524 eval dep_extralibs="\$${cfg}_extralibs"
525 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
526 enable_deep $dep_sel
527 enable_deep_weak $dep_sgs
528 fi
529
530 disable ${cfg}_checking
531 done
532 }
533
534 print_config_h(){
535 enabled $1 && v=1 || v=0
536 echo "#define $2 $v"
537 }
538
539 print_config_mak(){
540 enabled $1 && v= || v=!
541 echo "$v$2=yes"
542 }
543
544 print_config_asm(){
545 enabled $1 && echo "%define $2"
546 }
547
548 print_config(){
549 pfx=$1
550 files=$2
551 shift 2
552 for cfg; do
553 ucname="$(toupper $cfg)"
554 for f in $files; do
555 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
556 done
557 done
558 }
559
560 print_enabled(){
561 test "$1" = -n && end=" " && shift || end="\n"
562 suf=$1
563 shift
564 for v; do
565 enabled $v && printf "%s$end" ${v%$suf};
566 done
567 }
568
569 append(){
570 var=$1
571 shift
572 eval "$var=\"\$$var $*\""
573 }
574
575 prepend(){
576 var=$1
577 shift
578 eval "$var=\"$* \$$var\""
579 }
580
581 add_cppflags(){
582 append CPPFLAGS $($filter_cppflags "$@")
583 }
584
585 add_cflags(){
586 append CFLAGS $($filter_cflags "$@")
587 }
588
589 add_asflags(){
590 append ASFLAGS $($filter_asflags "$@")
591 }
592
593 add_ldflags(){
594 append LDFLAGS "$@"
595 }
596
597 add_extralibs(){
598 prepend extralibs "$@"
599 }
600
601 check_cmd(){
602 log "$@"
603 "$@" >> $logfile 2>&1
604 }
605
606 check_cc(){
607 log check_cc "$@"
608 cat > $TMPC
609 log_file $TMPC
610 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
611 }
612
613 check_cpp(){
614 log check_cpp "$@"
615 cat > $TMPC
616 log_file $TMPC
617 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
618 }
619
620 check_as(){
621 log check_as "$@"
622 cat > $TMPC
623 log_file $TMPC
624 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
625 }
626
627 check_asm(){
628 log check_asm "$@"
629 name="$1"
630 code="$2"
631 shift 2
632 disable $name
633 check_as "$@" <<EOF && enable $name
634 void foo(void){ __asm__ volatile($code); }
635 EOF
636 }
637
638 check_yasm(){
639 log check_yasm "$@"
640 echo "$1" > $TMPS
641 log_file $TMPS
642 shift 1
643 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
644 }
645
646 check_ld(){
647 log check_ld "$@"
648 flags=''
649 libs=''
650 for f; do
651 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
652 done
653 check_cc $($filter_cflags $flags) || return
654 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
655 }
656
657 check_cppflags(){
658 log check_cppflags "$@"
659 set -- $($filter_cppflags "$@")
660 check_cc "$@" <<EOF && append CPPFLAGS "$@"
661 int x;
662 EOF
663 }
664
665 check_cflags(){
666 log check_cflags "$@"
667 set -- $($filter_cflags "$@")
668 check_cc "$@" <<EOF && append CFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 test_ldflags(){
674 log test_ldflags "$@"
675 check_ld "$@" <<EOF
676 int main(void){ return 0; }
677 EOF
678 }
679
680 check_ldflags(){
681 log check_ldflags "$@"
682 test_ldflags "$@" && add_ldflags "$@"
683 }
684
685 check_header(){
686 log check_header "$@"
687 header=$1
688 shift
689 disable_safe $header
690 check_cpp "$@" <<EOF && enable_safe $header
691 #include <$header>
692 int x;
693 EOF
694 }
695
696 check_func(){
697 log check_func "$@"
698 func=$1
699 shift
700 disable $func
701 check_ld "$@" <<EOF && enable $func
702 extern int $func();
703 int main(void){ $func(); }
704 EOF
705 }
706
707 check_mathfunc(){
708 log check_mathfunc "$@"
709 func=$1
710 shift
711 disable $func
712 check_ld "$@" <<EOF && enable $func
713 #include <math.h>
714 float foo(float f) { return $func(f); }
715 int main(void){ return 0; }
716 EOF
717 }
718
719 check_func_headers(){
720 log check_func_headers "$@"
721 headers=$1
722 funcs=$2
723 shift 2
724 {
725 for hdr in $headers; do
726 echo "#include <$hdr>"
727 done
728 for func in $funcs; do
729 echo "long check_$func(void) { return (long) $func; }"
730 done
731 echo "int main(void) { return 0; }"
732 } | check_ld "$@" && enable $funcs && enable_safe $headers
733 }
734
735 check_cpp_condition(){
736 log check_cpp_condition "$@"
737 header=$1
738 condition=$2
739 shift 2
740 check_cpp $($filter_cppflags "$@") <<EOF
741 #include <$header>
742 #if !($condition)
743 #error "unsatisfied condition: $condition"
744 #endif
745 EOF
746 }
747
748 check_lib(){
749 log check_lib "$@"
750 header="$1"
751 func="$2"
752 shift 2
753 check_header $header && check_func $func "$@" && add_extralibs "$@"
754 }
755
756 check_lib2(){
757 log check_lib2 "$@"
758 headers="$1"
759 funcs="$2"
760 shift 2
761 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
762 }
763
764 check_pkg_config(){
765 log check_pkg_config "$@"
766 pkg="$1"
767 headers="$2"
768 funcs="$3"
769 shift 3
770 $pkg_config --exists $pkg || return
771 pkg_cflags=$($pkg_config --cflags $pkg)
772 pkg_libs=$($pkg_config --libs $pkg)
773 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
774 set_safe ${pkg}_cflags $pkg_cflags &&
775 set_safe ${pkg}_libs $pkg_libs
776 }
777
778 check_exec(){
779 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
780 }
781
782 check_exec_crash(){
783 code=$(cat)
784
785 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
786 # are safe but may not be available everywhere. Thus we use
787 # raise(SIGTERM) instead. The check is run in a subshell so we
788 # can redirect the "Terminated" message from the shell. SIGBUS
789 # is not defined by standard C so it is used conditionally.
790
791 (check_exec "$@") >> $logfile 2>&1 <<EOF
792 #include <signal.h>
793 static void sighandler(int sig){
794 raise(SIGTERM);
795 }
796 int main(void){
797 signal(SIGILL, sighandler);
798 signal(SIGFPE, sighandler);
799 signal(SIGSEGV, sighandler);
800 #ifdef SIGBUS
801 signal(SIGBUS, sighandler);
802 #endif
803 { $code }
804 }
805 EOF
806 }
807
808 check_type(){
809 log check_type "$@"
810 headers=$1
811 type=$2
812 shift 2
813 disable_safe "$type"
814 incs=""
815 for hdr in $headers; do
816 incs="$incs
817 #include <$hdr>"
818 done
819 check_cc "$@" <<EOF && enable_safe "$type"
820 $incs
821 $type v;
822 EOF
823 }
824
825 check_struct(){
826 log check_type "$@"
827 headers=$1
828 struct=$2
829 member=$3
830 shift 3
831 disable_safe "${struct}_${member}"
832 incs=""
833 for hdr in $headers; do
834 incs="$incs
835 #include <$hdr>"
836 done
837 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
838 $incs
839 const void *p = &(($struct *)0)->$member;
840 EOF
841 }
842
843 require(){
844 name="$1"
845 header="$2"
846 func="$3"
847 shift 3
848 check_lib $header $func "$@" || die "ERROR: $name not found"
849 }
850
851 require2(){
852 name="$1"
853 headers="$2"
854 func="$3"
855 shift 3
856 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
857 }
858
859 require_pkg_config(){
860 pkg="$1"
861 check_pkg_config "$@" || die "ERROR: $pkg not found"
862 add_cflags $(get_safe ${pkg}_cflags)
863 add_extralibs $(get_safe ${pkg}_libs)
864 }
865
866 check_host_cc(){
867 log check_host_cc "$@"
868 cat > $TMPC
869 log_file $TMPC
870 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
871 }
872
873 check_host_cflags(){
874 log check_host_cflags "$@"
875 check_host_cc "$@" <<EOF && append host_cflags "$@"
876 int x;
877 EOF
878 }
879
880 apply(){
881 file=$1
882 shift
883 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
884 }
885
886 cp_if_changed(){
887 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
888 mkdir -p "$(dirname $2)"
889 cp -f "$1" "$2"
890 }
891
892 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
893 # system-dependent things.
894
895 COMPONENT_LIST="
896 bsfs
897 decoders
898 demuxers
899 encoders
900 filters
901 hwaccels
902 indevs
903 muxers
904 outdevs
905 parsers
906 protocols
907 "
908
909 PROGRAM_LIST="
910 avconv
911 avplay
912 avprobe
913 avserver
914 ffmpeg
915 "
916
917 CONFIG_LIST="
918 $COMPONENT_LIST
919 $PROGRAM_LIST
920 aandct
921 ac3dsp
922 avcodec
923 avdevice
924 avfilter
925 avformat
926 avisynth
927 bzlib
928 dct
929 doc
930 dwt
931 dxva2
932 fastdiv
933 fft
934 frei0r
935 gnutls
936 golomb
937 gpl
938 gray
939 h264chroma
940 h264dsp
941 h264pred
942 hardcoded_tables
943 huffman
944 libcdio
945 libdc1394
946 libdirac
947 libfaac
948 libfreetype
949 libgsm
950 libmp3lame
951 libnut
952 libopencore_amrnb
953 libopencore_amrwb
954 libopencv
955 libopenjpeg
956 libpulse
957 librtmp
958 libschroedinger
959 libspeex
960 libtheora
961 libvo_aacenc
962 libvo_amrwbenc
963 libvorbis
964 libvpx
965 libx264
966 libxavs
967 libxvid
968 lpc
969 lsp
970 mdct
971 memalign_hack
972 mlib
973 mpegaudiodsp
974 network
975 nonfree
976 openssl
977 pic
978 postproc
979 rdft
980 rtpdec
981 runtime_cpudetect
982 safe_bitstream_reader
983 shared
984 sinewin
985 small
986 sram
987 static
988 swscale
989 swscale_alpha
990 thumb
991 vaapi
992 vda
993 vdpau
994 version3
995 x11grab
996 zlib
997 "
998
999 THREADS_LIST='
1000 pthreads
1001 w32threads
1002 '
1003
1004 ARCH_LIST='
1005 alpha
1006 arm
1007 avr32
1008 avr32_ap
1009 avr32_uc
1010 bfin
1011 ia64
1012 m68k
1013 mips
1014 mips64
1015 parisc
1016 ppc
1017 ppc64
1018 s390
1019 sh4
1020 sparc
1021 sparc64
1022 tomi
1023 x86
1024 x86_32
1025 x86_64
1026 '
1027
1028 ARCH_EXT_LIST='
1029 altivec
1030 amd3dnow
1031 amd3dnowext
1032 armv5te
1033 armv6
1034 armv6t2
1035 armvfp
1036 avx
1037 iwmmxt
1038 mmi
1039 mmx
1040 mmx2
1041 neon
1042 ppc4xx
1043 sse
1044 ssse3
1045 vfpv3
1046 vis
1047 '
1048
1049 HAVE_LIST_PUB='
1050 bigendian
1051 fast_unaligned
1052 '
1053
1054 HAVE_LIST="
1055 $ARCH_EXT_LIST
1056 $HAVE_LIST_PUB
1057 $THREADS_LIST
1058 aligned_stack
1059 alsa_asoundlib_h
1060 altivec_h
1061 arpa_inet_h
1062 asm_mod_y
1063 attribute_may_alias
1064 attribute_packed
1065 closesocket
1066 cmov
1067 dcbzl
1068 dev_bktr_ioctl_bt848_h
1069 dev_bktr_ioctl_meteor_h
1070 dev_ic_bt8xx_h
1071 dev_video_bktr_ioctl_bt848_h
1072 dev_video_meteor_ioctl_meteor_h
1073 dlfcn_h
1074 dlopen
1075 dos_paths
1076 ebp_available
1077 ebx_available
1078 exp2
1079 exp2f
1080 fast_64bit
1081 fast_clz
1082 fast_cmov
1083 fcntl
1084 fork
1085 getaddrinfo
1086 gethrtime
1087 GetProcessMemoryInfo
1088 GetProcessTimes
1089 getrusage
1090 gnu_as
1091 ibm_asm
1092 inet_aton
1093 inline_asm
1094 isatty
1095 ldbrx
1096 libdc1394_1
1097 libdc1394_2
1098 llrint
1099 llrintf
1100 local_aligned_16
1101 local_aligned_8
1102 localtime_r
1103 log2
1104 log2f
1105 loongson
1106 lrint
1107 lrintf
1108 lzo1x_999_compress
1109 machine_ioctl_bt848_h
1110 machine_ioctl_meteor_h
1111 malloc_h
1112 MapViewOfFile
1113 memalign
1114 mkstemp
1115 mmap
1116 poll_h
1117 posix_memalign
1118 round
1119 roundf
1120 sdl
1121 sdl_video_size
1122 setmode
1123 setrlimit
1124 sndio_h
1125 socklen_t
1126 soundcard_h
1127 strerror_r
1128 strptime
1129 strtok_r
1130 struct_addrinfo
1131 struct_ipv6_mreq
1132 struct_rusage_ru_maxrss
1133 struct_sockaddr_in6
1134 struct_sockaddr_sa_len
1135 struct_sockaddr_storage
1136 symver
1137 symver_asm_label
1138 symver_gnu_asm
1139 sys_mman_h
1140 sys_resource_h
1141 sys_select_h
1142 sys_soundcard_h
1143 sys_videoio_h
1144 threads
1145 trunc
1146 truncf
1147 vfp_args
1148 VirtualAlloc
1149 winsock2_h
1150 xform_asm
1151 xmm_clobbers
1152 yasm
1153 "
1154
1155 # options emitted with CONFIG_ prefix but not available on command line
1156 CONFIG_EXTRA="
1157 avutil
1158 gplv3
1159 lgplv3
1160 "
1161
1162 CMDLINE_SELECT="
1163 $ARCH_EXT_LIST
1164 $CONFIG_LIST
1165 $THREADS_LIST
1166 asm
1167 cross_compile
1168 debug
1169 extra_warnings
1170 logging
1171 optimizations
1172 symver
1173 yasm
1174 "
1175
1176 PATHS_LIST='
1177 bindir
1178 datadir
1179 incdir
1180 libdir
1181 mandir
1182 prefix
1183 shlibdir
1184 '
1185
1186 CMDLINE_SET="
1187 $PATHS_LIST
1188 ar
1189 arch
1190 as
1191 build_suffix
1192 cc
1193 cpu
1194 cross_prefix
1195 dep_cc
1196 extra_version
1197 host_cc
1198 host_cflags
1199 host_ldflags
1200 host_libs
1201 host_os
1202 ld
1203 logfile
1204 malloc_prefix
1205 nm
1206 optflags
1207 pkg_config
1208 samples
1209 sysinclude
1210 sysroot
1211 target_exec
1212 target_os
1213 target_path
1214 "
1215
1216 CMDLINE_APPEND="
1217 extra_cflags
1218 "
1219
1220 # code dependency declarations
1221
1222 # architecture extensions
1223
1224 armv5te_deps="arm"
1225 armv6_deps="arm"
1226 armv6t2_deps="arm"
1227 armvfp_deps="arm"
1228 iwmmxt_deps="arm"
1229 neon_deps="arm"
1230 vfpv3_deps="armvfp"
1231
1232 mmi_deps="mips"
1233
1234 altivec_deps="ppc"
1235 ppc4xx_deps="ppc"
1236
1237 vis_deps="sparc"
1238
1239 x86_64_suggest="cmov fast_cmov"
1240 amd3dnow_deps="mmx"
1241 amd3dnowext_deps="amd3dnow"
1242 mmx_deps="x86"
1243 mmx2_deps="mmx"
1244 sse_deps="mmx"
1245 ssse3_deps="sse"
1246 avx_deps="ssse3"
1247
1248 aligned_stack_if_any="ppc x86"
1249 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1250 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1251 fast_unaligned_if_any="armv6 ppc x86"
1252
1253 inline_asm_deps="!tms470"
1254 need_memalign="altivec neon sse"
1255
1256 symver_if_any="symver_asm_label symver_gnu_asm"
1257
1258 # subsystems
1259 dct_select="rdft"
1260 mdct_select="fft"
1261 rdft_select="fft"
1262 mpegaudiodsp_select="dct"
1263
1264 # decoders / encoders / hardware accelerators
1265 aac_decoder_select="mdct sinewin"
1266 aac_encoder_select="mdct sinewin"
1267 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1268 ac3_decoder_select="mdct ac3dsp ac3_parser"
1269 ac3_encoder_select="mdct ac3dsp"
1270 ac3_fixed_encoder_select="mdct ac3dsp"
1271 alac_encoder_select="lpc"
1272 amrnb_decoder_select="lsp"
1273 amrwb_decoder_select="lsp"
1274 atrac1_decoder_select="mdct sinewin"
1275 atrac3_decoder_select="mdct"
1276 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1277 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1278 cavs_decoder_select="golomb"
1279 cook_decoder_select="mdct sinewin"
1280 cscd_decoder_suggest="zlib"
1281 dca_decoder_select="mdct"
1282 dnxhd_encoder_select="aandct"
1283 dxa_decoder_select="zlib"
1284 eac3_decoder_select="ac3_decoder"
1285 eac3_encoder_select="mdct ac3dsp"
1286 eamad_decoder_select="aandct"
1287 eatgq_decoder_select="aandct"
1288 eatqi_decoder_select="aandct"
1289 ffv1_decoder_select="golomb"
1290 flac_decoder_select="golomb"
1291 flac_encoder_select="golomb lpc"
1292 flashsv_decoder_select="zlib"
1293 flashsv_encoder_select="zlib"
1294 flashsv2_decoder_select="zlib"
1295 flv_decoder_select="h263_decoder"
1296 flv_encoder_select="h263_encoder"
1297 fraps_decoder_select="huffman"
1298 h261_encoder_select="aandct"
1299 h263_decoder_select="h263_parser"
1300 h263_encoder_select="aandct"
1301 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1302 h263i_decoder_select="h263_decoder"
1303 h263p_encoder_select="h263_encoder"
1304 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1305 h264_dxva2_hwaccel_deps="dxva2api_h"
1306 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1307 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1308 h264_vda_hwaccel_select="vda h264_decoder"
1309 h264_vdpau_decoder_select="vdpau h264_decoder"
1310 imc_decoder_select="fft mdct sinewin"
1311 jpegls_decoder_select="golomb"
1312 jpegls_encoder_select="golomb"
1313 ljpeg_encoder_select="aandct"
1314 loco_decoder_select="golomb"
1315 mjpeg_encoder_select="aandct"
1316 mlp_decoder_select="mlp_parser"
1317 mp1_decoder_select="mpegaudiodsp"
1318 mp1float_decoder_select="mpegaudiodsp"
1319 mp2_decoder_select="mpegaudiodsp"
1320 mp2float_decoder_select="mpegaudiodsp"
1321 mp3_decoder_select="mpegaudiodsp"
1322 mp3adu_decoder_select="mpegaudiodsp"
1323 mp3adufloat_decoder_select="mpegaudiodsp"
1324 mp3float_decoder_select="mpegaudiodsp"
1325 mp3on4_decoder_select="mpegaudiodsp"
1326 mp3on4float_decoder_select="mpegaudiodsp"
1327 mpc7_decoder_select="mpegaudiodsp"
1328 mpc8_decoder_select="mpegaudiodsp"
1329 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1330 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1331 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1332 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1333 mpeg1video_encoder_select="aandct"
1334 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1335 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1336 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1337 mpeg2video_encoder_select="aandct"
1338 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1339 mpeg4_encoder_select="h263_encoder"
1340 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1341 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1342 msmpeg4v1_decoder_select="h263_decoder"
1343 msmpeg4v1_encoder_select="h263_encoder"
1344 msmpeg4v2_decoder_select="h263_decoder"
1345 msmpeg4v2_encoder_select="h263_encoder"
1346 msmpeg4v3_decoder_select="h263_decoder"
1347 msmpeg4v3_encoder_select="h263_encoder"
1348 nellymoser_decoder_select="mdct sinewin"
1349 nellymoser_encoder_select="mdct sinewin"
1350 png_decoder_select="zlib"
1351 png_encoder_select="zlib"
1352 qcelp_decoder_select="lsp"
1353 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1354 ra_144_encoder_select="lpc"
1355 rv10_decoder_select="h263_decoder"
1356 rv10_encoder_select="h263_encoder"
1357 rv20_decoder_select="h263_decoder"
1358 rv20_encoder_select="h263_encoder"
1359 rv30_decoder_select="golomb h264chroma h264pred"
1360 rv40_decoder_select="golomb h264chroma h264pred"
1361 shorten_decoder_select="golomb"
1362 sipr_decoder_select="lsp"
1363 snow_decoder_select="dwt"
1364 snow_encoder_select="aandct dwt"
1365 svq1_encoder_select="aandct"
1366 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1367 svq3_decoder_suggest="zlib"
1368 theora_decoder_select="vp3_decoder"
1369 tiff_decoder_suggest="zlib"
1370 tiff_encoder_suggest="zlib"
1371 truehd_decoder_select="mlp_decoder"
1372 tscc_decoder_select="zlib"
1373 twinvq_decoder_select="mdct lsp sinewin"
1374 vc1_decoder_select="h263_decoder h264chroma"
1375 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1376 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1377 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1378 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1379 vc1image_decoder_select="vc1_decoder"
1380 vorbis_decoder_select="mdct"
1381 vorbis_encoder_select="mdct"
1382 vp6_decoder_select="huffman"
1383 vp6a_decoder_select="vp6_decoder"
1384 vp6f_decoder_select="vp6_decoder"
1385 vp8_decoder_select="h264pred"
1386 wmapro_decoder_select="mdct sinewin"
1387 wmav1_decoder_select="mdct sinewin"
1388 wmav1_encoder_select="mdct sinewin"
1389 wmav2_decoder_select="mdct sinewin"
1390 wmav2_encoder_select="mdct sinewin"
1391 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1392 wmv1_decoder_select="h263_decoder"
1393 wmv1_encoder_select="h263_encoder"
1394 wmv2_decoder_select="h263_decoder"
1395 wmv2_encoder_select="h263_encoder"
1396 wmv3_decoder_select="vc1_decoder"
1397 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1398 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1399 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1400 wmv3image_decoder_select="wmv3_decoder"
1401 zlib_decoder_select="zlib"
1402 zlib_encoder_select="zlib"
1403 zmbv_decoder_select="zlib"
1404 zmbv_encoder_select="zlib"
1405
1406 vaapi_deps="va_va_h"
1407 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1408 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1409
1410 # parsers
1411 h264_parser_select="golomb h264chroma h264dsp h264pred"
1412
1413 # external libraries
1414 libdirac_decoder_deps="libdirac !libschroedinger"
1415 libdirac_encoder_deps="libdirac"
1416 libfaac_encoder_deps="libfaac"
1417 libgsm_decoder_deps="libgsm"
1418 libgsm_encoder_deps="libgsm"
1419 libgsm_ms_decoder_deps="libgsm"
1420 libgsm_ms_encoder_deps="libgsm"
1421 libmp3lame_encoder_deps="libmp3lame"
1422 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1423 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1424 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1425 libopenjpeg_decoder_deps="libopenjpeg"
1426 libschroedinger_decoder_deps="libschroedinger"
1427 libschroedinger_encoder_deps="libschroedinger"
1428 libspeex_decoder_deps="libspeex"
1429 libspeex_encoder_deps="libspeex"
1430 libtheora_encoder_deps="libtheora"
1431 libvo_aacenc_encoder_deps="libvo_aacenc"
1432 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1433 libvorbis_encoder_deps="libvorbis"
1434 libvpx_decoder_deps="libvpx"
1435 libvpx_encoder_deps="libvpx"
1436 libx264_encoder_deps="libx264"
1437 libxavs_encoder_deps="libxavs"
1438 libxvid_encoder_deps="libxvid"
1439
1440 # demuxers / muxers
1441 ac3_demuxer_select="ac3_parser"
1442 asf_stream_muxer_select="asf_muxer"
1443 avisynth_demuxer_deps="avisynth"
1444 dirac_demuxer_select="dirac_parser"
1445 eac3_demuxer_select="ac3_parser"
1446 flac_demuxer_select="flac_parser"
1447 ipod_muxer_select="mov_muxer"
1448 libnut_demuxer_deps="libnut"
1449 libnut_muxer_deps="libnut"
1450 matroska_audio_muxer_select="matroska_muxer"
1451 matroska_demuxer_suggest="zlib bzlib"
1452 mov_demuxer_suggest="zlib"
1453 mp3_demuxer_select="mpegaudio_parser"
1454 mp4_muxer_select="mov_muxer"
1455 mpegtsraw_demuxer_select="mpegts_demuxer"
1456 mxf_d10_muxer_select="mxf_muxer"
1457 ogg_demuxer_select="golomb"
1458 psp_muxer_select="mov_muxer"
1459 rtp_demuxer_select="sdp_demuxer"
1460 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1461 rtsp_demuxer_select="http_protocol rtpdec"
1462 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1463 sap_demuxer_select="sdp_demuxer"
1464 sap_muxer_select="rtp_muxer rtp_protocol"
1465 sdp_demuxer_select="rtpdec"
1466 spdif_muxer_select="aac_parser"
1467 tg2_muxer_select="mov_muxer"
1468 tgp_muxer_select="mov_muxer"
1469 w64_demuxer_deps="wav_demuxer"
1470
1471 # indevs / outdevs
1472 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1473 alsa_outdev_deps="alsa_asoundlib_h"
1474 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1475 dv1394_indev_deps="dv1394 dv_demuxer"
1476 fbdev_indev_deps="linux_fb_h"
1477 jack_indev_deps="jack_jack_h"
1478 libcdio_indev_deps="libcdio"
1479 libdc1394_indev_deps="libdc1394"
1480 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1481 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1482 pulse_indev_deps="libpulse"
1483 sndio_indev_deps="sndio_h"
1484 sndio_outdev_deps="sndio_h"
1485 v4l_indev_deps="linux_videodev_h"
1486 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1487 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1488 vfwcap_indev_extralibs="-lavicap32"
1489 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1490 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1491
1492 # protocols
1493 gopher_protocol_deps="network"
1494 httpproxy_protocol_deps="network"
1495 httpproxy_protocol_select="tcp_protocol"
1496 http_protocol_deps="network"
1497 http_protocol_select="tcp_protocol"
1498 https_protocol_select="tls_protocol"
1499 mmsh_protocol_select="http_protocol"
1500 mmst_protocol_deps="network"
1501 rtmp_protocol_select="tcp_protocol"
1502 rtp_protocol_select="udp_protocol"
1503 tcp_protocol_deps="network"
1504 tls_protocol_deps_any="openssl gnutls"
1505 tls_protocol_select="tcp_protocol"
1506 udp_protocol_deps="network"
1507
1508 # filters
1509 blackframe_filter_deps="gpl"
1510 boxblur_filter_deps="gpl"
1511 cropdetect_filter_deps="gpl"
1512 delogo_filter_deps="gpl"
1513 drawtext_filter_deps="libfreetype"
1514 frei0r_filter_deps="frei0r dlopen strtok_r"
1515 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1516 hqdn3d_filter_deps="gpl"
1517 ocv_filter_deps="libopencv"
1518 scale_filter_deps="swscale"
1519 yadif_filter_deps="gpl"
1520
1521 # libraries
1522 avdevice_deps="avcodec avformat"
1523 avformat_deps="avcodec"
1524 postproc_deps="gpl"
1525
1526 # programs
1527 avconv_deps="avcodec avformat swscale"
1528 avconv_select="buffer_filter"
1529 avplay_deps="avcodec avformat swscale sdl"
1530 avplay_select="rdft"
1531 avprobe_deps="avcodec avformat"
1532 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1533 avserver_extralibs='$ldl'
1534 ffmpeg_deps="avcodec avformat swscale"
1535 ffmpeg_select="buffer_filter"
1536
1537 doc_deps="texi2html"
1538
1539 # tests
1540
1541 test_deps(){
1542 suf1=$1
1543 suf2=$2
1544 shift 2
1545 for v; do
1546 dep=${v%=*}
1547 tests=${v#*=}
1548 for name in ${tests}; do
1549 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1550 done
1551 done
1552 }
1553
1554 mxf_d10_test_deps="avfilter"
1555 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1556
1557 test_deps _encoder _decoder \
1558 adpcm_ima_qt \
1559 adpcm_ima_wav \
1560 adpcm_ms \
1561 adpcm_swf \
1562 adpcm_yamaha=adpcm_yam \
1563 alac \
1564 asv1 \
1565 asv2 \
1566 bmp \
1567 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1568 dvvideo="dv dv_411 dv50" \
1569 ffv1 \
1570 flac \
1571 flashsv \
1572 flv \
1573 adpcm_g726=g726 \
1574 gif \
1575 h261 \
1576 h263="h263 h263p" \
1577 huffyuv \
1578 jpegls \
1579 mjpeg="jpg mjpeg ljpeg" \
1580 mp2 \
1581 mpeg1video="mpeg mpeg1b" \
1582 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1583 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1584 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1585 mpeg4="mpeg4thread error rc" \
1586 msmpeg4v3=msmpeg4 \
1587 msmpeg4v2 \
1588 pbm=pbmpipe \
1589 pcx \
1590 pgm="pgm pgmpipe" \
1591 png \
1592 ppm="ppm ppmpipe" \
1593 rawvideo="rgb yuv" \
1594 roq \
1595 rv10 \
1596 rv20 \
1597 sgi \
1598 snow="snow snowll" \
1599 svq1 \
1600 targa=tga \
1601 tiff \
1602 wmav1 \
1603 wmav2 \
1604 wmv1 \
1605 wmv2 \
1606
1607 test_deps _muxer _demuxer \
1608 aiff \
1609 pcm_alaw=alaw \
1610 asf \
1611 au \
1612 avi \
1613 dv=dv_fmt \
1614 ffm \
1615 flv=flv_fmt \
1616 gxf \
1617 matroska=mkv \
1618 mmf \
1619 mov \
1620 pcm_mulaw=mulaw \
1621 mxf="mxf mxf_d10" \
1622 nut \
1623 ogg \
1624 rawvideo=pixfmt \
1625 rm \
1626 swf \
1627 mpegts=ts \
1628 voc \
1629 wav \
1630 yuv4mpegpipe=yuv4mpeg \
1631
1632 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1633 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1634
1635 # default parameters
1636
1637 logfile="config.log"
1638
1639 # installation paths
1640 prefix_default="/usr/local"
1641 bindir_default='${prefix}/bin'
1642 datadir_default='${prefix}/share/avconv'
1643 incdir_default='${prefix}/include'
1644 libdir_default='${prefix}/lib'
1645 mandir_default='${prefix}/share/man'
1646 shlibdir_default="$libdir_default"
1647
1648 # toolchain
1649 ar_default="ar"
1650 cc_default="gcc"
1651 cc_version=\"unknown\"
1652 host_cc_default="gcc"
1653 ln_s="ln -sf"
1654 nm_default="nm"
1655 objformat="elf"
1656 pkg_config_default=pkg-config
1657 ranlib="ranlib"
1658 yasmexe="yasm"
1659
1660 nm_opts='-g'
1661 nogas=":"
1662
1663 # machine
1664 arch_default=$(uname -m)
1665 cpu="generic"
1666
1667 # OS
1668 target_os_default=$(tolower $(uname -s))
1669 host_os=$target_os_default
1670
1671 # configurable options
1672 enable $PROGRAM_LIST
1673
1674 enable avcodec
1675 enable avdevice
1676 enable avfilter
1677 enable avformat
1678 enable avutil
1679 enable postproc
1680 enable swscale
1681
1682 enable asm
1683 enable debug
1684 enable doc
1685 enable fastdiv
1686 enable network
1687 enable optimizations
1688 enable safe_bitstream_reader
1689 enable static
1690 enable swscale_alpha
1691
1692 # build settings
1693 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1694 AVSERVERLDFLAGS=-Wl,-E
1695 LIBPREF="lib"
1696 LIBSUF=".a"
1697 FULLNAME='$(NAME)$(BUILDSUF)'
1698 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1699 SLIBPREF="lib"
1700 SLIBSUF=".so"
1701 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1702 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1703 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1704 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1705 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1706 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1707
1708 AS_O='-o $@'
1709 CC_O='-o $@'
1710
1711 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1712 host_libs='-lm'
1713
1714 target_path='$(CURDIR)'
1715
1716 # since the object filename is not given with the -MM flag, the compiler
1717 # is only able to print the basename, and we must add the path ourselves
1718 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1719 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1720
1721 # find source path
1722 if test -f configure; then
1723 source_path=.
1724 else
1725 source_path=$(cd $(dirname "$0"); pwd)
1726 echo "$source_path" | grep -q '[[:blank:]]' &&
1727 die "Out of tree builds are impossible with whitespace in source path."
1728 test -e "$source_path/config.h" &&
1729 die "Out of tree builds are impossible with config.h in source dir."
1730 fi
1731
1732 for v in "$@"; do
1733 r=${v#*=}
1734 l=${v%"$r"}
1735 r=$(sh_quote "$r")
1736 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1737 done
1738
1739 find_things(){
1740 thing=$1
1741 pattern=$2
1742 file=$source_path/$3
1743 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1744 }
1745
1746 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1747 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1748 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1749 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1750 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1751 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1752 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1753 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1754 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1755 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1756 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1757
1758 ALL_COMPONENTS="
1759 $BSF_LIST
1760 $DECODER_LIST
1761 $DEMUXER_LIST
1762 $ENCODER_LIST
1763 $FILTER_LIST
1764 $HWACCEL_LIST
1765 $INDEV_LIST
1766 $MUXER_LIST
1767 $OUTDEV_LIST
1768 $PARSER_LIST
1769 $PROTOCOL_LIST
1770 "
1771
1772 find_tests(){
1773 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1774 }
1775
1776 ACODEC_TESTS=$(find_tests acodec)
1777 VCODEC_TESTS=$(find_tests vsynth1)
1778 LAVF_TESTS=$(find_tests lavf)
1779 LAVFI_TESTS=$(find_tests lavfi)
1780 SEEK_TESTS=$(find_tests seek seek_)
1781
1782 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1783
1784 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1785
1786 for n in $COMPONENT_LIST; do
1787 v=$(toupper ${n%s})_LIST
1788 eval enable \$$v
1789 eval ${n}_if_any="\$$v"
1790 done
1791
1792 enable $ARCH_EXT_LIST $ALL_TESTS
1793
1794 die_unknown(){
1795 echo "Unknown option \"$1\"."
1796 echo "See $0 --help for available options."
1797 exit 1
1798 }
1799
1800 show_list() {
1801 suffix=_$1
1802 shift
1803 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1804 exit 0
1805 }
1806
1807 for opt do
1808 optval="${opt#*=}"
1809 case "$opt" in
1810 --extra-ldflags=*) add_ldflags $optval
1811 ;;
1812 --extra-libs=*) add_extralibs $optval
1813 ;;
1814 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1815 ;;
1816 --enable-debug=*) debuglevel="$optval"
1817 ;;
1818 --disable-everything)
1819 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1820 ;;
1821 --enable-*=*|--disable-*=*)
1822 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1823 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1824 eval list=\$$(toupper $thing)_LIST
1825 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1826 $action $(filter "$name" $list)
1827 ;;
1828 --enable-?*|--disable-?*)
1829 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1830 if is_in $option $COMPONENT_LIST; then
1831 test $action = disable && action=unset
1832 eval $action \$$(toupper ${option%s})_LIST
1833 elif is_in $option $CMDLINE_SELECT; then
1834 $action $option
1835 else
1836 die_unknown $opt
1837 fi
1838 ;;
1839 --list-*)
1840 NAME="${opt#--list-}"
1841 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1842 NAME=${NAME%s}
1843 eval show_list $NAME \$$(toupper $NAME)_LIST
1844 ;;
1845 --help|-h) show_help
1846 ;;
1847 *)
1848 optname="${opt%%=*}"
1849 optname="${optname#--}"
1850 optname=$(echo "$optname" | sed 's/-/_/g')
1851 if is_in $optname $CMDLINE_SET; then
1852 eval $optname='$optval'
1853 elif is_in $optname $CMDLINE_APPEND; then
1854 append $optname "$optval"
1855 else
1856 die_unknown $opt
1857 fi
1858 ;;
1859 esac
1860 done
1861
1862 disabled logging && logfile=/dev/null
1863
1864 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1865 set >> $logfile
1866
1867 test -n "$cross_prefix" && enable cross_compile
1868
1869 if enabled cross_compile; then
1870 test -n "$arch" && test -n "$target_os" ||
1871 die "Must specify target arch and OS when cross-compiling"
1872 fi
1873
1874 set_default arch target_os
1875
1876 ar_default="${cross_prefix}${ar_default}"
1877 cc_default="${cross_prefix}${cc_default}"
1878 nm_default="${cross_prefix}${nm_default}"
1879 pkg_config_default="${cross_prefix}${pkg_config_default}"
1880 ranlib="${cross_prefix}${ranlib}"
1881
1882 sysinclude_default="${sysroot}/usr/include"
1883
1884 set_default cc nm pkg_config sysinclude
1885 enabled cross_compile || host_cc_default=$cc
1886 set_default host_cc
1887
1888 if ! $pkg_config --version >/dev/null 2>&1; then
1889 warn "$pkg_config not found, library detection may fail."
1890 pkg_config=false
1891 fi
1892
1893 exesuf() {
1894 case $1 in
1895 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1896 esac
1897 }
1898
1899 EXESUF=$(exesuf $target_os)
1900 HOSTEXESUF=$(exesuf $host_os)
1901
1902 # set temporary file name
1903 : ${TMPDIR:=$TEMPDIR}
1904 : ${TMPDIR:=$TMP}
1905 : ${TMPDIR:=/tmp}
1906
1907 if ! check_cmd mktemp -u XXXXXX; then
1908 # simple replacement for missing mktemp
1909 # NOT SAFE FOR GENERAL USE
1910 mktemp(){
1911 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1912 }
1913 fi
1914
1915 tmpfile(){
1916 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1917 (set -C; exec > $tmp) 2>/dev/null ||
1918 die "Unable to create temporary file in $TMPDIR."
1919 append TMPFILES $tmp
1920 eval $1=$tmp
1921 }
1922
1923 trap 'rm -f -- $TMPFILES' EXIT
1924
1925 tmpfile TMPASM .asm
1926 tmpfile TMPC .c
1927 tmpfile TMPE $EXESUF
1928 tmpfile TMPH .h
1929 tmpfile TMPO .o
1930 tmpfile TMPS .S
1931 tmpfile TMPSH .sh
1932 tmpfile TMPV .ver
1933
1934 unset -f mktemp
1935
1936 chmod +x $TMPE
1937
1938 # make sure we can execute files in $TMPDIR
1939 cat > $TMPSH 2>> $logfile <<EOF
1940 #! /bin/sh
1941 EOF
1942 chmod +x $TMPSH >> $logfile 2>&1
1943 if ! $TMPSH >> $logfile 2>&1; then
1944 cat <<EOF
1945 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1946 variable to another directory and make sure that it is not mounted noexec.
1947 EOF
1948 die "Sanity test failed."
1949 fi
1950
1951 filter_asflags=echo
1952 filter_cflags=echo
1953 filter_cppflags=echo
1954
1955 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1956 cc_type=llvm_gcc
1957 cc_version=__VERSION__
1958 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1959 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1960 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1961 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1962 speed_cflags='-O3'
1963 size_cflags='-Os'
1964 elif $cc -v 2>&1 | grep -qi ^gcc; then
1965 cc_type=gcc
1966 cc_version=__VERSION__
1967 gcc_version=$($cc --version | head -n1)
1968 gcc_basever=$($cc -dumpversion)
1969 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1970 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1971 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1972 if ! $cc -dumpversion | grep -q '^2\.'; then
1973 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1974 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1975 fi
1976 speed_cflags='-O3'
1977 size_cflags='-Os'
1978 elif $cc --version 2>/dev/null | grep -q Intel; then
1979 cc_type=icc
1980 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1981 cc_ident=$($cc --version | head -n1)
1982 icc_version=$($cc -dumpversion)
1983 CC_DEPFLAGS='-MMD'
1984 AS_DEPFLAGS='-MMD'
1985 speed_cflags='-O3'
1986 size_cflags='-Os'
1987 noopt_cflags='-O1'
1988 elif $cc -v 2>&1 | grep -q xlc; then
1989 cc_type=xlc
1990 cc_version="AV_STRINGIFY(__IBMC__)"
1991 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1992 speed_cflags='-O5'
1993 size_cflags='-O5 -qcompact'
1994 elif $cc -V 2>/dev/null | grep -q Compaq; then
1995 cc_type=ccc
1996 cc_version="AV_STRINGIFY(__DECC_VER)"
1997 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1998 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1999 debuglevel=3
2000 add_ldflags -Wl,-z,now # calls to libots crash without this
2001 speed_cflags='-fast'
2002 size_cflags='-O1'
2003 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2004 test -d "$sysroot" || die "No valid sysroot specified."
2005 cc_type=armcc
2006 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2007 cc_ident=$($cc --vsn | head -n1)
2008 armcc_conf="$PWD/armcc.conf"
2009 $cc --arm_linux_configure \
2010 --arm_linux_config_file="$armcc_conf" \
2011 --configure_sysroot="$sysroot" \
2012 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2013 die "Error creating armcc configuration file."
2014 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2015 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2016 as_default="${cross_prefix}gcc"
2017 CC_DEPFLAGS='-MMD'
2018 AS_DEPFLAGS='-MMD'
2019 speed_cflags='-O3'
2020 size_cflags='-Os'
2021 filter_asflags="filter_out -W${armcc_opt}*"
2022 elif $cc -version 2>/dev/null | grep -q TMS470; then
2023 cc_type=tms470
2024 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2025 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2026 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2027 CC_O='-fr=$(@D)'
2028 as_default="${cross_prefix}gcc"
2029 ld_default="${cross_prefix}gcc"
2030 TMPO=$(basename $TMPC .c).o
2031 append TMPFILES $TMPO
2032 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2033 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2034 AS_DEPFLAGS='-MMD'
2035 speed_cflags='-O3 -mf=5'
2036 size_cflags='-O3 -mf=2'
2037 filter_cflags=tms470_flags
2038 tms470_flags(){
2039 for flag; do
2040 case $flag in
2041 -march=*|-mcpu=*)
2042 case "${flag#*=}" in
2043 armv7-a|cortex-a*) echo -mv=7a8 ;;
2044 armv7-r|cortex-r*) echo -mv=7r4 ;;
2045 armv7-m|cortex-m*) echo -mv=7m3 ;;
2046 armv6*|arm11*) echo -mv=6 ;;
2047 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2048 echo -mv=5e ;;
2049 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2050 esac
2051 ;;
2052 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2053 -mfpu=vfp) echo --float_support=vfpv2 ;;
2054 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2055 -msoft-float) echo --float_support=vfplib ;;
2056 -O[0-3]|-mf=*) echo $flag ;;
2057 -g) echo -g -mn ;;
2058 -pds=*) echo $flag ;;
2059 esac
2060 done
2061 }
2062 elif $cc -v 2>&1 | grep -q clang; then
2063 cc_type=clang
2064 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2065 cc_version=__clang_version__ || cc_version=__VERSION__
2066 cc_ident=$($cc --version | head -n1)
2067 CC_DEPFLAGS='-MMD'
2068 AS_DEPFLAGS='-MMD'
2069 speed_cflags='-O3'
2070 size_cflags='-Os'
2071 elif $cc -V 2>&1 | grep -q Sun; then
2072 cc_type=suncc
2073 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2074 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2075 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2076 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2077 add_ldflags -xc99
2078 speed_cflags='-O5'
2079 size_cflags='-O5 -xspace'
2080 filter_cflags=suncc_flags
2081 suncc_flags(){
2082 for flag; do
2083 case $flag in
2084 -march=*|-mcpu=*)
2085 case "${flag#*=}" in
2086 native) echo -xtarget=native ;;
2087 v9|niagara) echo -xarch=sparc ;;
2088 ultrasparc) echo -xarch=sparcvis ;;
2089 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2090 i586|pentium) echo -xchip=pentium ;;
2091 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2092 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2093 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2094 pentium4*) echo -xtarget=pentium4 ;;
2095 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2096 *-sse3) echo -xarch=sse3 ;;
2097 core2) echo -xarch=ssse3 -xchip=core2 ;;
2098 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2099 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2100 k8|opteron|athlon64|athlon-fx)
2101 echo -xarch=sse2a ;;
2102 athlon*) echo -xarch=pentium_proa ;;
2103 esac
2104 ;;
2105 -std=c99) echo -xc99 ;;
2106 -fomit-frame-pointer) echo -xregs=frameptr ;;
2107 -fPIC) echo -KPIC -xcode=pic32 ;;
2108 -W*,*) echo $flag ;;
2109 -f*-*|-W*) ;;
2110 *) echo $flag ;;
2111 esac
2112 done
2113 }
2114 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2115 cc_type=pathscale
2116 cc_version=__PATHSCALE__
2117 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2118 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2119 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2120 speed_cflags='-O2'
2121 size_cflags='-Os'
2122 filter_cflags='filter_out -Wdisabled-optimization'
2123 elif $cc -v 2>&1 | grep -q Open64; then
2124 cc_type=open64
2125 cc_version=__OPEN64__
2126 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2127 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2128 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2129 speed_cflags='-O2'
2130 size_cflags='-Os'
2131 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2132 fi
2133
2134 test -n "$cc_type" && enable $cc_type ||
2135 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2136
2137 : ${as_default:=$cc}
2138 : ${dep_cc_default:=$cc}
2139 : ${ld_default:=$cc}
2140 set_default ar as dep_cc ld
2141
2142 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2143 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2144
2145 add_cflags $extra_cflags
2146 add_asflags $extra_cflags
2147
2148 if test -n "$sysroot"; then
2149 case "$cc_type" in
2150 gcc|llvm_gcc|clang)
2151 add_cppflags --sysroot="$sysroot"
2152 add_ldflags --sysroot="$sysroot"
2153 ;;
2154 tms470)
2155 add_cppflags -I"$sysinclude"
2156 add_ldflags --sysroot="$sysroot"
2157 ;;
2158 esac
2159 fi
2160
2161 if test "$cpu" = host; then
2162 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2163
2164 case "$cc_type" in
2165 gcc|llvm_gcc)
2166 check_native(){
2167 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2168 sed -n "/cc1.*$1=/{
2169 s/.*$1=\\([^ ]*\\).*/\\1/
2170 p
2171 q
2172 }" $TMPE
2173 }
2174 cpu=$(check_native -march || check_native -mcpu)
2175 ;;
2176 esac
2177
2178 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2179 fi
2180
2181 # Deal with common $arch aliases
2182 case "$arch" in
2183 arm*)
2184 arch="arm"
2185 ;;
2186 mips|mipsel|IP*)
2187 arch="mips"
2188 ;;
2189 mips64*)
2190 arch="mips"
2191 subarch="mips64"
2192 ;;
2193 parisc|hppa)
2194 arch="parisc"
2195 ;;
2196 parisc64|hppa64)
2197 arch="parisc"
2198 subarch="parisc64"
2199 ;;
2200 "Power Macintosh"|ppc|powerpc)
2201 arch="ppc"
2202 ;;
2203 ppc64|powerpc64)
2204 arch="ppc"
2205 subarch="ppc64"
2206 ;;
2207 s390|s390x)
2208 arch="s390"
2209 ;;
2210 sh4|sh)
2211 arch="sh4"
2212 ;;
2213 sun4u|sparc64)
2214 arch="sparc"
2215 subarch="sparc64"
2216 ;;
2217 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2218 arch="x86"
2219 ;;
2220 esac
2221
2222 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2223 enable $arch
2224
2225 # Add processor-specific flags
2226 if test "$cpu" = generic; then
2227 : do nothing
2228 elif enabled ppc; then
2229
2230 case $(tolower $cpu) in
2231 601|ppc601|powerpc601)
2232 cpuflags="-mcpu=601"
2233 disable altivec
2234 ;;
2235 603*|ppc603*|powerpc603*)
2236 cpuflags="-mcpu=603"
2237 disable altivec
2238 ;;
2239 604*|ppc604*|powerpc604*)
2240 cpuflags="-mcpu=604"
2241 disable altivec
2242 ;;
2243 g3|75*|ppc75*|powerpc75*)
2244 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2245 disable altivec
2246 ;;
2247 g4|745*|ppc745*|powerpc745*)
2248 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2249 ;;
2250 74*|ppc74*|powerpc74*)
2251 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2252 ;;
2253 g5|970|ppc970|powerpc970|power4*)
2254 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2255 ;;
2256 cell)
2257 cpuflags="-mcpu=cell"
2258 enable ldbrx
2259 ;;
2260 e500v2)
2261 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2262 disable altivec
2263 ;;
2264 e500)
2265 cpuflags="-mcpu=8540 -mhard-float"
2266 disable altivec
2267 ;;
2268 esac
2269
2270 elif enabled x86; then
2271
2272 case $cpu in
2273 i[345]86|pentium)
2274 cpuflags="-march=$cpu"
2275 disable mmx
2276 ;;
2277 # targets that do NOT support conditional mov (cmov)
2278 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2279 cpuflags="-march=$cpu"
2280 disable cmov
2281 ;;
2282 # targets that do support conditional mov (cmov)
2283 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2284 cpuflags="-march=$cpu"
2285 enable cmov
2286 enable fast_cmov
2287 ;;
2288 # targets that do support conditional mov but on which it's slow
2289 pentium4|pentium4m|prescott|nocona)
2290 cpuflags="-march=$cpu"
2291 enable cmov
2292 disable fast_cmov
2293 ;;
2294 esac
2295
2296 elif enabled sparc; then
2297
2298 case $cpu in
2299 niagara)
2300 cpuflags="-mcpu=$cpu"
2301 disable vis
2302 ;;
2303 sparc64)
2304 cpuflags="-mcpu=v9"
2305 ;;
2306 esac
2307
2308 elif enabled arm; then
2309
2310 case $cpu in
2311 armv*)
2312 cpuflags="-march=$cpu"
2313 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2314 ;;
2315 *)
2316 cpuflags="-mcpu=$cpu"
2317 case $cpu in
2318 cortex-a*) subarch=armv7a ;;
2319 cortex-r*) subarch=armv7r ;;
2320 cortex-m*) enable thumb; subarch=armv7m ;;
2321 arm11*) subarch=armv6 ;;
2322 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2323 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2324 esac
2325 ;;
2326 esac
2327
2328 elif enabled alpha; then
2329
2330 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2331
2332 elif enabled bfin; then
2333
2334 cpuflags="-mcpu=$cpu"
2335
2336 elif enabled mips; then
2337
2338 cpuflags="-march=$cpu"
2339
2340 elif enabled avr32; then
2341
2342 case $cpu in
2343 ap7[02]0[0-2])
2344 subarch="avr32_ap"
2345 cpuflags="-mpart=$cpu"
2346 ;;
2347 ap)
2348 subarch="avr32_ap"
2349 cpuflags="-march=$cpu"
2350 ;;
2351 uc3[ab]*)
2352 subarch="avr32_uc"
2353 cpuflags="-mcpu=$cpu"
2354 ;;
2355 uc)
2356 subarch="avr32_uc"
2357 cpuflags="-march=$cpu"
2358 ;;
2359 esac
2360
2361 fi
2362
2363 add_cflags $cpuflags
2364 add_asflags $cpuflags
2365
2366 # compiler sanity check
2367 check_exec <<EOF
2368 int main(void){ return 0; }
2369 EOF
2370 if test "$?" != 0; then
2371 echo "$cc is unable to create an executable file."
2372 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2373 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2374 echo "Only do this if you know what cross compiling means."
2375 fi
2376 die "C compiler test failed."
2377 fi
2378
2379 add_cppflags -D_ISOC99_SOURCE
2380 check_cflags -std=c99
2381 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2382 #include <stdlib.h>
2383 EOF
2384 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2385 #include <stdlib.h>
2386 EOF
2387
2388 check_host_cflags -std=c99
2389 check_host_cflags -Wall
2390
2391 case "$arch" in
2392 alpha|ia64|mips|parisc|sparc)
2393 spic=$shared
2394 ;;
2395 x86)
2396 subarch="x86_32"
2397 check_cc <<EOF && subarch="x86_64"
2398 int test[(int)sizeof(char*) - 7];
2399 EOF
2400 if test "$subarch" = "x86_64"; then
2401 spic=$shared
2402 fi
2403 ;;
2404 esac
2405
2406 enable $subarch
2407 enabled spic && enable pic
2408
2409 # OS specific
2410 case $target_os in
2411 haiku)
2412 prefix_default="/boot/common"
2413 network_extralibs="-lnetwork"
2414 host_libs=
2415 ;;
2416 sunos)
2417 AVSERVERLDFLAGS=""
2418 SHFLAGS='-shared -Wl,-h,$$(@F)'
2419 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2420 network_extralibs="-lsocket -lnsl"
2421 add_cppflags -D__EXTENSIONS__
2422 # When using suncc to build, the Solaris linker will mark
2423 # an executable with each instruction set encountered by
2424 # the Solaris assembler. As our libraries contain their own
2425 # guards for processor-specific code, instead suppress
2426 # generation of the HWCAPS ELF section on Solaris x86 only.
2427 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2428 nm_opts='-P -g'
2429 ;;
2430 netbsd)
2431 disable symver
2432 oss_indev_extralibs="-lossaudio"
2433 oss_outdev_extralibs="-lossaudio"
2434 ;;
2435 openbsd)
2436 enable malloc_aligned
2437 # On OpenBSD 4.5. the compiler does not use PIC unless
2438 # explicitly using -fPIC. Libav builds fine without PIC,
2439 # however the generated executable will not do anything
2440 # (simply quits with exit-code 1, no crash, no output).
2441 # Thus explicitly enable PIC here.
2442 enable pic
2443 disable symver
2444 SHFLAGS='-shared'
2445 oss_indev_extralibs="-lossaudio"
2446 oss_outdev_extralibs="-lossaudio"
2447 ;;
2448 dragonfly)
2449 enable malloc_aligned
2450 disable symver
2451 ;;
2452 freebsd)
2453 enable malloc_aligned
2454 ;;
2455 bsd/os)
2456 add_extralibs -lpoll -lgnugetopt
2457 ;;
2458 darwin)
2459 enable malloc_aligned
2460 gas="gas-preprocessor.pl $cc"
2461 enabled ppc && add_asflags -force_cpusubtype_ALL
2462 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2463 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2464 add_ldflags -Wl,-dynamic,-search_paths_first
2465 SLIBSUF=".dylib"
2466 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2467 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2468 AVSERVERLDFLAGS=-Wl,-bind_at_load
2469 objformat="macho"
2470 enabled x86_64 && objformat="macho64"
2471 enabled_any pic shared ||
2472 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2473 ;;
2474 mingw32*)
2475 if test $target_os = "mingw32ce"; then
2476 disable network
2477 else
2478 target_os=mingw32
2479 fi
2480 LIBTARGET=i386
2481 if enabled x86_64; then
2482 enable malloc_aligned
2483 LIBTARGET="i386:x86-64"
2484 elif enabled arm; then
2485 LIBTARGET=arm-wince
2486 fi
2487 shlibdir_default="$bindir_default"
2488 SLIBPREF=""
2489 SLIBSUF=".dll"
2490 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2491 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2492 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2493 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2494 SLIB_INSTALL_LINKS=
2495 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2496 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2497 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'
2498 objformat="win32"
2499 dlltool="${cross_prefix}dlltool"
2500 enable dos_paths
2501 check_cflags -fno-common
2502 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2503 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2504 die "ERROR: MinGW runtime version must be >= 3.15."
2505 add_cppflags -U__STRICT_ANSI__
2506 ;;
2507 cygwin*)
2508 target_os=cygwin
2509 shlibdir_default="$bindir_default"
2510 SLIBPREF="cyg"
2511 SLIBSUF=".dll"
2512 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2513 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2514 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2515 objformat="win32"
2516 enable dos_paths
2517 check_cflags -fno-common
2518 add_cppflags -U__STRICT_ANSI__
2519 ;;
2520 *-dos|freedos|opendos)
2521 network_extralibs="-lsocket"
2522 objformat="coff"
2523 enable dos_paths
2524 add_cppflags -U__STRICT_ANSI__
2525 ;;
2526 linux)
2527 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2528 enable dv1394
2529 ;;
2530 irix*)
2531 target_os=irix
2532 ranlib="echo ignoring ranlib"
2533 ;;
2534 os/2*)
2535 ln_s="cp -f"
2536 objformat="aout"
2537 add_cppflags -D_GNU_SOURCE
2538 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2539 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2540 AVSERVERLDFLAGS=""
2541 LIBSUF="_s.a"
2542 SLIBPREF=""
2543 SLIBSUF=".dll"
2544 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2545 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2546 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2547 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2548 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2549 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2550 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2551 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2552 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2553 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2554 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2555 enable dos_paths
2556 ;;
2557 gnu/kfreebsd)
2558 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2559 ;;
2560 gnu)
2561 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2562 ;;
2563 qnx)
2564 add_cppflags -D_QNX_SOURCE
2565 network_extralibs="-lsocket"
2566 ;;
2567 symbian)
2568 SLIBSUF=".dll"
2569 enable dos_paths
2570 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2571 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2572 add_ldflags -Wl,--target1-abs,--no-undefined \
2573 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2574 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2575 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2576 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2577 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2578 ;;
2579 none)
2580 ;;
2581 *)
2582 die "Unknown OS '$target_os'."
2583 ;;
2584 esac
2585
2586 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2587
2588 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2589
2590 set_default $PATHS_LIST
2591
2592 # we need to build at least one lib type
2593 if ! enabled_any static shared; then
2594 cat <<EOF
2595 At least one library type must be built.
2596 Specify --enable-static to build the static libraries or --enable-shared to
2597 build the shared libraries as well. To only build the shared libraries specify
2598 --disable-static in addition to --enable-shared.
2599 EOF
2600 exit 1;
2601 fi
2602
2603 die_license_disabled() {
2604 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2605 }
2606
2607 die_license_disabled gpl libcdio
2608 die_license_disabled gpl libx264
2609 die_license_disabled gpl libxavs
2610 die_license_disabled gpl libxvid
2611 die_license_disabled gpl x11grab
2612
2613 die_license_disabled nonfree libfaac
2614 die_license_disabled nonfree openssl
2615
2616 die_license_disabled version3 libopencore_amrnb
2617 die_license_disabled version3 libopencore_amrwb
2618 die_license_disabled version3 libvo_aacenc
2619 die_license_disabled version3 libvo_amrwbenc
2620
2621 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2622
2623 disabled optimizations || check_cflags -fomit-frame-pointer
2624
2625 enable_pic() {
2626 enable pic
2627 add_cppflags -DPIC
2628 add_cflags -fPIC
2629 add_asflags -fPIC
2630 }
2631
2632 enabled pic && enable_pic
2633
2634 check_cc <<EOF || die "Symbol mangling check failed."
2635 int ff_extern;
2636 EOF
2637 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2638 extern_prefix=${sym%%ff_extern*}
2639
2640 check_cc <<EOF && enable inline_asm
2641 void foo(void) { __asm__ volatile ("" ::); }
2642 EOF
2643
2644 _restrict=
2645 for restrict_keyword in restrict __restrict__ __restrict; do
2646 check_cc <<EOF && _restrict=$restrict_keyword && break
2647 void foo(char * $restrict_keyword p);
2648 EOF
2649 done
2650
2651 check_cc <<EOF && enable attribute_packed
2652 struct { int x; } __attribute__((packed)) x;
2653 EOF
2654
2655 check_cc <<EOF && enable attribute_may_alias
2656 union { int x; } __attribute__((may_alias)) x;
2657 EOF
2658
2659 check_cc <<EOF || die "endian test failed"
2660 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2661 EOF
2662 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2663
2664 if enabled alpha; then
2665
2666 check_cflags -mieee
2667
2668 elif enabled arm; then
2669
2670 enabled thumb && check_cflags -mthumb || check_cflags -marm
2671 nogas=die
2672
2673 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2674 enable vfp_args
2675 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2676 case "${cross_prefix:-$cc}" in
2677 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2678 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2679 __asm__ (".eabi_attribute 28, 1");
2680 int main(void) { return 0; }
2681 EOF
2682 esac
2683 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2684 fi
2685
2686 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2687 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2688 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2689 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2690 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2691 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2692 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2693
2694 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2695
2696 enabled_all armv6t2 shared !pic && enable_pic
2697
2698 elif enabled mips; then
2699
2700 check_asm loongson '"dmult.g $1, $2, $3"'
2701 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2702
2703 elif enabled ppc; then
2704
2705 enable local_aligned_8 local_aligned_16
2706
2707 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2708 check_asm ibm_asm '"add 0, 0, 0"'
2709 check_asm ppc4xx '"maclhw r10, r11, r12"'
2710 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2711
2712 # AltiVec flags: The FSF version of GCC differs from the Apple version
2713 if enabled altivec; then
2714 nogas=warn
2715 check_cflags -maltivec -mabi=altivec &&
2716 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2717 check_cflags -faltivec
2718
2719 # check if our compiler supports Motorola AltiVec C API
2720 check_cc <<EOF || disable altivec
2721 $inc_altivec_h
2722 int main(void) {
2723 vector signed int v1, v2, v3;
2724 v1 = vec_add(v2,v3);
2725 return 0;
2726 }
2727 EOF
2728
2729 # check if our compiler supports braces for vector declarations
2730 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2731 $inc_altivec_h
2732 int main (void) { (vector int) {1}; return 0; }
2733 EOF
2734 fi
2735
2736 elif enabled sparc; then
2737
2738 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2739 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2740
2741 elif enabled x86; then
2742
2743 enable local_aligned_8 local_aligned_16
2744
2745 # check whether EBP is available on x86
2746 # As 'i' is stored on the stack, this program will crash
2747 # if the base pointer is used to access it because the
2748 # base pointer is cleared in the inline assembly code.
2749 check_exec_crash <<EOF && enable ebp_available
2750 volatile int i=0;
2751 __asm__ volatile (
2752 "xorl %%ebp, %%ebp"
2753 ::: "%ebp");
2754 return i;
2755 EOF
2756
2757 # check whether EBX is available on x86
2758 check_asm ebx_available '""::"b"(0)' &&
2759 check_asm ebx_available '"":::"%ebx"'
2760
2761 # check whether xmm clobbers are supported
2762 check_asm xmm_clobbers '"":::"%xmm0"'
2763
2764 # check whether binutils is new enough to compile SSSE3/MMX2
2765 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2766 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2767
2768 if ! disabled_any asm mmx yasm; then
2769 if check_cmd $yasmexe --version; then
2770 enabled x86_64 && yasm_extra="-m amd64"
2771 yasm_debug="-g dwarf2"
2772 elif check_cmd nasm -v; then
2773 yasmexe=nasm
2774 yasm_debug="-g -F dwarf"
2775 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2776 fi
2777
2778 YASMFLAGS="-f $objformat $yasm_extra"
2779 enabled pic && append YASMFLAGS "-DPIC"
2780 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2781 case "$objformat" in
2782 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2783 esac
2784
2785 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2786 die "yasm not found, use --disable-yasm for a crippled build"
2787 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2788 fi
2789
2790 case "$cpu" in
2791 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2792 disable fast_clz
2793 ;;
2794 esac
2795
2796 fi
2797
2798 if enabled asm; then
2799 as=${gas:=$as}
2800 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2801 $nogas "GNU assembler not found, install gas-preprocessor"
2802 fi
2803
2804 check_ldflags -Wl,--as-needed
2805
2806 if check_func dlopen; then
2807 ldl=
2808 elif check_func dlopen -ldl; then
2809 ldl=-ldl
2810 fi
2811
2812 if enabled network; then
2813 check_type "sys/types.h sys/socket.h" socklen_t
2814 check_type netdb.h "struct addrinfo"
2815 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2816 check_type netinet/in.h "struct sockaddr_in6"
2817 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2818 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2819 # Prefer arpa/inet.h over winsock2
2820 if check_header arpa/inet.h ; then
2821 check_func closesocket
2822 elif check_header winsock2.h ; then
2823 check_func_headers winsock2.h closesocket -lws2 && \
2824 network_extralibs="-lws2" || \
2825 { check_func_headers winsock2.h closesocket -lws2_32 && \
2826 network_extralibs="-lws2_32"; }
2827 check_type ws2tcpip.h socklen_t
2828 check_type ws2tcpip.h "struct addrinfo"
2829 check_type ws2tcpip.h "struct ipv6_mreq"
2830 check_type ws2tcpip.h "struct sockaddr_in6"
2831 check_type ws2tcpip.h "struct sockaddr_storage"
2832 check_struct winsock2.h "struct sockaddr" sa_len
2833 else
2834 disable network
2835 fi
2836 fi
2837
2838 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2839 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2840
2841 check_func fcntl
2842 check_func fork
2843 check_func getaddrinfo $network_extralibs
2844 check_func gethrtime
2845 check_func getrusage
2846 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2847 check_func inet_aton $network_extralibs
2848 check_func isatty
2849 check_func localtime_r
2850 check_func ${malloc_prefix}memalign && enable memalign
2851 check_func mkstemp
2852 check_func mmap
2853 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2854 check_func setrlimit
2855 check_func strerror_r
2856 check_func strptime
2857 check_func strtok_r
2858 check_func_headers io.h setmode
2859 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2860 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2861 check_func_headers windows.h GetProcessTimes
2862 check_func_headers windows.h MapViewOfFile
2863 check_func_headers windows.h VirtualAlloc
2864
2865 check_header dlfcn.h
2866 check_header dxva2api.h
2867 check_header malloc.h
2868 check_header poll.h
2869 check_header sys/mman.h
2870 check_header sys/resource.h
2871 check_header sys/select.h
2872 check_header vdpau/vdpau.h
2873 check_header vdpau/vdpau_x11.h
2874 check_header X11/extensions/XvMClib.h
2875
2876 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2877
2878 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2879 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2880
2881 if ! disabled w32threads && ! enabled pthreads; then
2882 check_func _beginthreadex && enable w32threads
2883 fi
2884
2885 # check for some common methods of building with pthread support
2886 # do this before the optional library checks as some of them require pthreads
2887 if ! disabled pthreads && ! enabled w32threads; then
2888 enable pthreads
2889 if check_func pthread_create; then
2890 :
2891 elif check_func pthread_create -pthread; then
2892 add_cflags -pthread
2893 add_extralibs -pthread
2894 elif check_func pthread_create -pthreads; then
2895 add_cflags -pthreads
2896 add_extralibs -pthreads
2897 elif check_func pthread_create -lpthreadGC2; then
2898 add_extralibs -lpthreadGC2
2899 elif ! check_lib pthread.h pthread_create -lpthread; then
2900 disable pthreads
2901 fi
2902 fi
2903
2904 for thread in $THREADS_LIST; do
2905 if enabled $thread; then
2906 test -n "$thread_type" &&
2907 die "ERROR: Only one thread type must be selected." ||
2908 thread_type="$thread"
2909 fi
2910 done
2911
2912 check_lib math.h sin -lm && LIBM="-lm"
2913 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2914
2915 check_mathfunc exp2
2916 check_mathfunc exp2f
2917 check_mathfunc llrint
2918 check_mathfunc llrintf
2919 check_mathfunc log2
2920 check_mathfunc log2f
2921 check_mathfunc lrint
2922 check_mathfunc lrintf
2923 check_mathfunc round
2924 check_mathfunc roundf
2925 check_mathfunc trunc
2926 check_mathfunc truncf
2927
2928 # these are off by default, so fail if requested and not available
2929 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2930 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2931 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2932 enabled libdirac && require_pkg_config dirac \
2933 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2934 "dirac_decoder_init dirac_encoder_init"
2935 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2936 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2937 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2938 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2939 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2940 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2941 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2942 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2943 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2944 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2945 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2946 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2947 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2948 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2949 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2950 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2951 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2952 enabled libvpx && {
2953 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2954 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2955 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2956 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2957 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2958 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2959 die "ERROR: libx264 version must be >= 0.118."; }
2960 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2961 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2962 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2963 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2964 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2965 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2966 die "ERROR: openssl not found"; }
2967
2968 # libdc1394 check
2969 if enabled libdc1394; then
2970 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2971 enable libdc1394_2; } ||
2972 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2973 enable libdc1394_1; } ||
2974 die "ERROR: No version of libdc1394 found "
2975 fi
2976
2977 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2978 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2979 enable sdl &&
2980 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2981 fi
2982
2983 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2984
2985 check_header linux/fb.h
2986 check_header linux/videodev.h
2987 check_header linux/videodev2.h
2988 check_header sys/videoio.h
2989
2990 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2991 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2992 # w32api 3.12 had it defined wrong
2993 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2994
2995 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2996 { check_header dev/bktr/ioctl_meteor.h &&
2997 check_header dev/bktr/ioctl_bt848.h; } ||
2998 { check_header machine/ioctl_meteor.h &&
2999 check_header machine/ioctl_bt848.h; } ||
3000 { check_header dev/video/meteor/ioctl_meteor.h &&
3001 check_header dev/video/bktr/ioctl_bt848.h; } ||
3002 check_header dev/ic/bt8xx.h
3003
3004 check_header sndio.h
3005 check_header sys/soundcard.h
3006 check_header soundcard.h
3007
3008 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3009
3010 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3011
3012 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3013
3014 enabled libcdio &&
3015 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3016
3017 enabled x11grab &&
3018 check_header X11/Xlib.h &&
3019 check_header X11/extensions/XShm.h &&
3020 check_header X11/extensions/Xfixes.h &&
3021 check_func XOpenDisplay -lX11 &&
3022 check_func XShmCreateImage -lX11 -lXext &&
3023 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3024
3025 # check for VDA header
3026 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3027 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3028 fi
3029
3030 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3031 check_cpp_condition \
3032 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3033 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3034 disable vdpau; }
3035 fi
3036
3037 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3038
3039 # add some useful compiler flags if supported
3040 check_cflags -Wdeclaration-after-statement
3041 check_cflags -Wall
3042 check_cflags -Wno-parentheses
3043 check_cflags -Wno-switch
3044 check_cflags -Wno-format-zero-length
3045 check_cflags -Wdisabled-optimization
3046 check_cflags -Wpointer-arith
3047 check_cflags -Wredundant-decls
3048 check_cflags -Wno-pointer-sign
3049 check_cflags -Wcast-qual
3050 check_cflags -Wwrite-strings
3051 check_cflags -Wtype-limits
3052 check_cflags -Wundef
3053 check_cflags -Wmissing-prototypes
3054 check_cflags -Wstrict-prototypes
3055 enabled extra_warnings && check_cflags -Winline
3056
3057 # add some linker flags
3058 check_ldflags -Wl,--warn-common
3059 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3060 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3061
3062 echo "X{};" > $TMPV
3063 if test_ldflags -Wl,--version-script,$TMPV; then
3064 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3065 check_cc <<EOF && enable symver_asm_label
3066 void ff_foo(void) __asm__ ("av_foo@VERSION");
3067 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3068 EOF
3069 check_cc <<EOF && enable symver_gnu_asm
3070 __asm__(".symver ff_foo,av_foo@VERSION");
3071 void ff_foo(void) {}
3072 EOF
3073 fi
3074
3075 if [ -n "$optflags" ]; then
3076 add_cflags $optflags
3077 elif enabled small; then
3078 add_cflags $size_cflags
3079 elif enabled optimizations; then
3080 add_cflags $speed_cflags
3081 else
3082 add_cflags $noopt_cflags
3083 fi
3084 check_cflags -fno-math-errno
3085 check_cflags -fno-signed-zeros
3086
3087 if enabled icc; then
3088 # Just warnings, no remarks
3089 check_cflags -w1
3090 # -wd: Disable following warnings
3091 # 144, 167, 556: -Wno-pointer-sign
3092 # 1292: attribute "foo" ignored
3093 # 10006: ignoring unknown option -fno-signed-zeros
3094 # 10148: ignoring unknown option -Wno-parentheses
3095 # 10156: ignoring option '-W'; no argument required
3096 check_cflags -wd144,167,556,1292,10006,10148,10156
3097 # 11030: Warning unknown option --as-needed
3098 # 10156: ignoring option '-export'; no argument required
3099 check_ldflags -wd10156,11030
3100 # Allow to compile with optimizations
3101 check_ldflags -march=$cpu
3102 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3103 enable ebp_available
3104 if enabled x86_32; then
3105 test ${icc_version%%.*} -ge 11 && \
3106 check_cflags -falign-stack=maintain-16-byte || \
3107 disable aligned_stack
3108 fi
3109 elif enabled ccc; then
3110 # disable some annoying warnings
3111 add_cflags -msg_disable cvtu32to64
3112 add_cflags -msg_disable embedcomment
3113 add_cflags -msg_disable needconstext
3114 add_cflags -msg_disable nomainieee
3115 add_cflags -msg_disable ptrmismatch1
3116 add_cflags -msg_disable unreachcode
3117 elif enabled gcc; then
3118 check_cflags -fno-tree-vectorize
3119 check_cflags -Werror=implicit-function-declaration
3120 check_cflags -Werror=missing-prototypes
3121 elif enabled llvm_gcc; then
3122 check_cflags -mllvm -stack-alignment=16
3123 elif enabled clang; then
3124 check_cflags -mllvm -stack-alignment=16
3125 check_cflags -Qunused-arguments
3126 elif enabled armcc; then
3127 # 2523: use of inline assembler is deprecated
3128 add_cflags -W${armcc_opt},--diag_suppress=2523
3129 add_cflags -W${armcc_opt},--diag_suppress=1207
3130 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3131 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3132 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3133 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3134 elif enabled tms470; then
3135 add_cflags -pds=824 -pds=837
3136 elif enabled pathscale; then
3137 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3138 fi
3139
3140 enabled_any $THREADS_LIST && enable threads
3141
3142 check_deps $CONFIG_LIST \
3143 $CONFIG_EXTRA \
3144 $HAVE_LIST \
3145 $ALL_COMPONENTS \
3146 $ALL_TESTS \
3147
3148 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3149
3150 ! enabled_any memalign posix_memalign malloc_aligned &&
3151 enabled_any $need_memalign && enable memalign_hack
3152
3153 echo "install prefix $prefix"
3154 echo "source path $source_path"
3155 echo "C compiler $cc"
3156 echo "ARCH $arch ($cpu)"
3157 if test "$build_suffix" != ""; then
3158 echo "build suffix $build_suffix"
3159 fi
3160 if test "$extra_version" != ""; then
3161 echo "version string suffix $extra_version"
3162 fi
3163 echo "big-endian ${bigendian-no}"
3164 echo "runtime cpu detection ${runtime_cpudetect-no}"
3165 if enabled x86; then
3166 echo "${yasmexe} ${yasm-no}"
3167 echo "MMX enabled ${mmx-no}"
3168 echo "MMX2 enabled ${mmx2-no}"
3169 echo "3DNow! enabled ${amd3dnow-no}"
3170 echo "3DNow! extended enabled ${amd3dnowext-no}"
3171 echo "SSE enabled ${sse-no}"
3172 echo "SSSE3 enabled ${ssse3-no}"
3173 echo "AVX enabled ${avx-no}"
3174 echo "CMOV enabled ${cmov-no}"
3175 echo "CMOV is fast ${fast_cmov-no}"
3176 echo "EBX available ${ebx_available-no}"
3177 echo "EBP available ${ebp_available-no}"
3178 fi
3179 if enabled arm; then
3180 echo "ARMv5TE enabled ${armv5te-no}"
3181 echo "ARMv6 enabled ${armv6-no}"
3182 echo "ARMv6T2 enabled ${armv6t2-no}"
3183 echo "ARM VFP enabled ${armvfp-no}"
3184 echo "IWMMXT enabled ${iwmmxt-no}"
3185 echo "NEON enabled ${neon-no}"
3186 fi
3187 if enabled mips; then
3188 echo "MMI enabled ${mmi-no}"
3189 fi
3190 if enabled ppc; then
3191 echo "AltiVec enabled ${altivec-no}"
3192 echo "PPC 4xx optimizations ${ppc4xx-no}"
3193 echo "dcbzl available ${dcbzl-no}"
3194 fi
3195 if enabled sparc; then
3196 echo "VIS enabled ${vis-no}"
3197 fi
3198 echo "debug symbols ${debug-no}"
3199 echo "optimize for size ${small-no}"
3200 echo "optimizations ${optimizations-no}"
3201 echo "static ${static-no}"
3202 echo "shared ${shared-no}"
3203 echo "postprocessing support ${postproc-no}"
3204 echo "new filter support ${avfilter-no}"
3205 echo "network support ${network-no}"
3206 echo "threading support ${thread_type-no}"
3207 echo "SDL support ${sdl-no}"
3208 echo "Sun medialib support ${mlib-no}"
3209 echo "libdxva2 enabled ${dxva2-no}"
3210 echo "libva enabled ${vaapi-no}"
3211 echo "libvdpau enabled ${vdpau-no}"
3212 echo "AVISynth enabled ${avisynth-no}"
3213 echo "frei0r enabled ${frei0r-no}"
3214 echo "gnutls enabled ${gnutls-no}"
3215 echo "libcdio support ${libcdio-no}"
3216 echo "libdc1394 support ${libdc1394-no}"
3217 echo "libdirac enabled ${libdirac-no}"
3218 echo "libfaac enabled ${libfaac-no}"
3219 echo "libgsm enabled ${libgsm-no}"
3220 echo "libmp3lame enabled ${libmp3lame-no}"
3221 echo "libnut enabled ${libnut-no}"
3222 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3223 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3224 echo "libopencv support ${libopencv-no}"
3225 echo "libopenjpeg enabled ${libopenjpeg-no}"
3226 echo "libpulse enabled ${libpulse-no}"
3227 echo "librtmp enabled ${librtmp-no}"
3228 echo "libschroedinger enabled ${libschroedinger-no}"
3229 echo "libspeex enabled ${libspeex-no}"
3230 echo "libtheora enabled ${libtheora-no}"
3231 echo "libvo-aacenc support ${libvo_aacenc-no}"
3232 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3233 echo "libvorbis enabled ${libvorbis-no}"
3234 echo "libvpx enabled ${libvpx-no}"
3235 echo "libx264 enabled ${libx264-no}"
3236 echo "libxavs enabled ${libxavs-no}"
3237 echo "libxvid enabled ${libxvid-no}"
3238 echo "openssl enabled ${openssl-no}"
3239 echo "zlib enabled ${zlib-no}"
3240 echo "bzlib enabled ${bzlib-no}"
3241 echo
3242
3243 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3244 echo "Enabled ${type}s:"
3245 eval list=\$$(toupper $type)_LIST
3246 print_enabled '_*' $list | sort | pr -r -3 -t
3247 echo
3248 done
3249
3250 license="LGPL version 2.1 or later"
3251 if enabled nonfree; then
3252 license="nonfree and unredistributable"
3253 elif enabled gplv3; then
3254 license="GPL version 3 or later"
3255 elif enabled lgplv3; then
3256 license="LGPL version 3 or later"
3257 elif enabled gpl; then
3258 license="GPL version 2 or later"
3259 fi
3260
3261 echo "License: $license"
3262
3263 echo "Creating config.mak and config.h..."
3264
3265 test -e Makefile || $ln_s "$source_path/Makefile" .
3266
3267 config_files="$TMPH config.mak"
3268
3269 cat > config.mak <<EOF
3270 # Automatically generated by configure - do not modify!
3271 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3272 prefix=$prefix
3273 LIBDIR=\$(DESTDIR)$libdir
3274 SHLIBDIR=\$(DESTDIR)$shlibdir
3275 INCDIR=\$(DESTDIR)$incdir
3276 BINDIR=\$(DESTDIR)$bindir
3277 DATADIR=\$(DESTDIR)$datadir
3278 MANDIR=\$(DESTDIR)$mandir
3279 SRC_PATH=$source_path
3280 CC_IDENT=$cc_ident
3281 ARCH=$arch
3282 CC=$cc
3283 AS=$as
3284 LD=$ld
3285 DEPCC=$dep_cc
3286 YASM=$yasmexe
3287 YASMDEP=$yasmexe
3288 AR=$ar
3289 RANLIB=$ranlib
3290 LN_S=$ln_s
3291 CPPFLAGS=$CPPFLAGS
3292 CFLAGS=$CFLAGS
3293 ASFLAGS=$ASFLAGS
3294 AS_O=$CC_O
3295 CC_O=$CC_O
3296 DLLTOOL=$dlltool
3297 LDFLAGS=$LDFLAGS
3298 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3299 SHFLAGS=$SHFLAGS
3300 YASMFLAGS=$YASMFLAGS
3301 BUILDSUF=$build_suffix
3302 FULLNAME=$FULLNAME
3303 LIBPREF=$LIBPREF
3304 LIBSUF=$LIBSUF
3305 LIBNAME=$LIBNAME
3306 SLIBPREF=$SLIBPREF
3307 SLIBSUF=$SLIBSUF
3308 EXESUF=$EXESUF
3309 EXTRA_VERSION=$extra_version
3310 DEPFLAGS=$DEPFLAGS
3311 CCDEP=$CCDEP
3312 ASDEP=$ASDEP
3313 CC_DEPFLAGS=$CC_DEPFLAGS
3314 AS_DEPFLAGS=$AS_DEPFLAGS
3315 HOSTCC=$host_cc
3316 HOSTCFLAGS=$host_cflags
3317 HOSTEXESUF=$HOSTEXESUF
3318 HOSTLDFLAGS=$host_ldflags
3319 HOSTLIBS=$host_libs
3320 TARGET_EXEC=$target_exec
3321 TARGET_PATH=$target_path
3322 SDL_LIBS=$sdl_libs
3323 SDL_CFLAGS=$sdl_cflags
3324 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3325 EXTRALIBS=$extralibs
3326 INSTALL=install
3327 LIBTARGET=${LIBTARGET}
3328 SLIBNAME=${SLIBNAME}
3329 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3330 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3331 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3332 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3333 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3334 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3335 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3336 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3337 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3338 EOF
3339
3340 get_version(){
3341 name=$1
3342 file=$source_path/$2
3343 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3344 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3345 lcname=$(tolower $name)
3346 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3347 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3348 }
3349
3350 get_version LIBAVCODEC libavcodec/version.h
3351 get_version LIBAVDEVICE libavdevice/avdevice.h
3352 get_version LIBAVFILTER libavfilter/avfilter.h
3353 get_version LIBAVFORMAT libavformat/version.h
3354 get_version LIBAVUTIL libavutil/avutil.h
3355 get_version LIBPOSTPROC libpostproc/postprocess.h
3356 get_version LIBSWSCALE libswscale/swscale.h
3357
3358 cat > $TMPH <<EOF
3359 /* Automatically generated by configure - do not modify! */
3360 #ifndef LIBAV_CONFIG_H
3361 #define LIBAV_CONFIG_H
3362 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3363 #define LIBAV_LICENSE "$(c_escape $license)"
3364 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3365 #define CC_TYPE "$cc_type"
3366 #define CC_VERSION $cc_version
3367 #define restrict $_restrict
3368 #define EXTERN_PREFIX "${extern_prefix}"
3369 #define EXTERN_ASM ${extern_prefix}
3370 #define SLIBSUF "$SLIBSUF"
3371 EOF
3372
3373 test -n "$malloc_prefix" &&
3374 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3375
3376 if enabled small || disabled optimizations; then
3377 echo "#undef av_always_inline" >> $TMPH
3378 if enabled small; then
3379 echo "#define av_always_inline inline" >> $TMPH
3380 else
3381 echo "#define av_always_inline av_unused" >> $TMPH
3382 fi
3383 fi
3384
3385 if enabled yasm; then
3386 append config_files $TMPASM
3387 printf '' >$TMPASM
3388 fi
3389
3390 print_config ARCH_ "$config_files" $ARCH_LIST
3391 print_config HAVE_ "$config_files" $HAVE_LIST
3392 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3393 $CONFIG_EXTRA \
3394 $ALL_COMPONENTS \
3395
3396 cat >>config.mak <<EOF
3397 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3398 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3399 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3400 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3401 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3402 EOF
3403
3404 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3405
3406 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3407 cp_if_changed $TMPH config.h
3408 touch .config
3409
3410 enabled yasm && cp_if_changed $TMPASM config.asm
3411
3412 cat > $TMPH <<EOF
3413 /* Generated by ffconf */
3414 #ifndef AVUTIL_AVCONFIG_H
3415 #define AVUTIL_AVCONFIG_H
3416 EOF
3417
3418 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3419
3420 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3421
3422 cp_if_changed $TMPH libavutil/avconfig.h
3423
3424 test -n "$WARNINGS" && printf "\n$WARNINGS"
3425
3426 # build pkg-config files
3427
3428 pkgconfig_generate(){
3429 name=$1
3430 shortname=${name#lib}${build_suffix}
3431 comment=$2
3432 version=$3
3433 libs=$4
3434 requires=$5
3435 enabled ${name#lib} || return 0
3436 mkdir -p $name
3437 cat <<EOF > $name/$name.pc
3438 prefix=$prefix
3439 exec_prefix=\${prefix}
3440 libdir=$libdir
3441 includedir=$incdir
3442
3443 Name: $name
3444 Description: $comment
3445 Version: $version
3446 Requires: $(enabled shared || echo $requires)
3447 Requires.private: $(enabled shared && echo $requires)
3448 Conflicts:
3449 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3450 Libs.private: $(enabled shared && echo $libs)
3451 Cflags: -I\${includedir}
3452 EOF
3453 cat <<EOF > $name/$name-uninstalled.pc
3454 prefix=
3455 exec_prefix=
3456 libdir=\${pcfiledir}
3457 includedir=${source_path}
3458
3459 Name: $name
3460 Description: $comment
3461 Version: $version
3462 Requires: $requires
3463 Conflicts:
3464 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3465 Cflags: -I\${includedir}
3466 EOF
3467 }
3468
3469 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3470 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3471 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3472 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3473 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3474 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3475 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"