Remove ffmpeg.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-avconv disable avconv build
84 --disable-avplay disable avplay build
85 --disable-avprobe disable avprobe build
86 --disable-avserver disable avserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable libpostproc build (deprecated) [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --disable-w32threads disable Win32 threads [auto]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --enable-vaapi enable VAAPI code
110 --enable-vda enable VDA code
111 --enable-vdpau enable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --disable-safe-bitstream-reader
116 disable buffer boundary checking in bitreaders
117 (faster, but may crash)
118 --enable-memalign-hack emulate memalign, interferes with memory debuggers
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libdirac enable Dirac support via libdirac [no]
176 --enable-libfaac enable FAAC support via libfaac [no]
177 --enable-libfreetype enable libfreetype [no]
178 --enable-libgsm enable GSM support via libgsm [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libnut enable NUT (de)muxing via libnut,
181 native (de)muxer exists [no]
182 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
183 --enable-libpulse enable Pulseaudio input via libpulse [no]
184 --enable-librtmp enable RTMP[E] support via librtmp [no]
185 --enable-libschroedinger enable Dirac support via libschroedinger [no]
186 --enable-libspeex enable Speex support via libspeex [no]
187 --enable-libtheora enable Theora encoding via libtheora [no]
188 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
189 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
190 --enable-libvorbis enable Vorbis encoding via libvorbis,
191 native implementation exists [no]
192 --enable-libvpx enable VP8 support via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-mlib enable Sun medialib [no]
198 --enable-openssl enable openssl [no]
199 --enable-zlib enable zlib [autodetect]
200
201 Advanced options (experts only):
202 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
203 --enable-cross-compile assume a cross-compiler is used
204 --sysroot=PATH root of cross-build tree
205 --sysinclude=PATH location of cross-build system headers
206 --target-os=OS compiler targets OS [$target_os]
207 --target-exec=CMD command to run executables on target
208 --target-path=DIR path to view of build directory on target
209 --nm=NM use nm tool
210 --ar=AR use archive tool AR [$ar_default]
211 --as=AS use assembler AS [$as_default]
212 --cc=CC use C compiler CC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
217 --host-libs=HLIBS use libs HLIBS when linking for host
218 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
219 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
220 --extra-libs=ELIBS add ELIBS [$ELIBS]
221 --extra-version=STRING version string suffix []
222 --build-suffix=SUFFIX library name suffix []
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --disable-asm disable all assembler optimizations
227 --disable-altivec disable AltiVec optimizations
228 --disable-amd3dnow disable 3DNow! optimizations
229 --disable-amd3dnowext disable 3DNow! extended optimizations
230 --disable-mmx disable MMX optimizations
231 --disable-mmx2 disable MMX2 optimizations
232 --disable-sse disable SSE optimizations
233 --disable-ssse3 disable SSSE3 optimizations
234 --disable-avx disable AVX optimizations
235 --disable-armv5te disable armv5te optimizations
236 --disable-armv6 disable armv6 optimizations
237 --disable-armv6t2 disable armv6t2 optimizations
238 --disable-armvfp disable ARM VFP optimizations
239 --disable-iwmmxt disable iwmmxt optimizations
240 --disable-mmi disable MMI optimizations
241 --disable-neon disable NEON optimizations
242 --disable-vis disable VIS optimizations
243 --disable-yasm disable use of yasm assembler
244 --enable-pic build position-independent code
245 --malloc-prefix=PFX prefix malloc and related names with PFX
246 --enable-sram allow use of on-chip SRAM
247 --disable-symver disable symbol versioning
248 --optflags override optimization-related compiler flags
249
250 Developer options (useful when working on Libav itself):
251 --disable-debug disable debugging symbols
252 --enable-debug=LEVEL set the debug level [$debuglevel]
253 --disable-optimizations disable compiler optimizations
254 --enable-extra-warnings enable more compiler warnings
255 --samples=PATH location of test samples for FATE, if not set use
256 \$FATE_SAMPLES at make invocation time.
257
258 NOTE: Object files are built at the place where configure is launched.
259 EOF
260 exit 0
261 }
262
263 quotes='""'
264
265 log(){
266 echo "$@" >> $logfile
267 }
268
269 log_file(){
270 log BEGIN $1
271 pr -n -t $1 >> $logfile
272 log END $1
273 }
274
275 echolog(){
276 log "$@"
277 echo "$@"
278 }
279
280 warn(){
281 log "WARNING: $*"
282 WARNINGS="${WARNINGS}WARNING: $*\n"
283 }
284
285 die(){
286 echolog "$@"
287 cat <<EOF
288
289 If you think configure made a mistake, make sure you are using the latest
290 version from Git. If the latest version fails, report the problem to the
291 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
292 EOF
293 if disabled logging; then
294 cat <<EOF
295 Rerun configure with logging enabled (do not use --disable-logging), and
296 include the log this produces with your report.
297 EOF
298 else
299 cat <<EOF
300 Include the log file "$logfile" produced by configure as this will help
301 solving the problem.
302 EOF
303 fi
304 exit 1
305 }
306
307 # Avoid locale weirdness, besides we really just want to translate ASCII.
308 toupper(){
309 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
310 }
311
312 tolower(){
313 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
314 }
315
316 c_escape(){
317 echo "$*" | sed 's/["\\]/\\\0/g'
318 }
319
320 sh_quote(){
321 v=$(echo "$1" | sed "s/'/'\\\\''/g")
322 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
323 echo "$v"
324 }
325
326 cleanws(){
327 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
328 }
329
330 filter(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) echo $v ;; esac"
335 done
336 }
337
338 filter_out(){
339 pat=$1
340 shift
341 for v; do
342 eval "case $v in $pat) ;; *) echo $v ;; esac"
343 done
344 }
345
346 map(){
347 m=$1
348 shift
349 for v; do eval $m; done
350 }
351
352 set_all(){
353 value=$1
354 shift
355 for var in $*; do
356 eval $var=$value
357 done
358 }
359
360 set_weak(){
361 value=$1
362 shift
363 for var; do
364 eval : \${$var:=$value}
365 done
366 }
367
368 set_safe(){
369 var=$1
370 shift
371 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
372 }
373
374 get_safe(){
375 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
376 }
377
378 pushvar(){
379 for var in $*; do
380 eval level=\${${var}_level:=0}
381 eval ${var}_${level}="\$$var"
382 eval ${var}_level=$(($level+1))
383 done
384 }
385
386 popvar(){
387 for var in $*; do
388 eval level=\${${var}_level:-0}
389 test $level = 0 && continue
390 eval level=$(($level-1))
391 eval $var="\${${var}_${level}}"
392 eval ${var}_level=$level
393 eval unset ${var}_${level}
394 done
395 }
396
397 enable(){
398 set_all yes $*
399 }
400
401 disable(){
402 set_all no $*
403 }
404
405 enable_weak(){
406 set_weak yes $*
407 }
408
409 disable_weak(){
410 set_weak no $*
411 }
412
413 enable_safe(){
414 for var; do
415 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
416 done
417 }
418
419 disable_safe(){
420 for var; do
421 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
422 done
423 }
424
425 do_enable_deep(){
426 for var; do
427 enabled $var && continue
428 eval sel="\$${var}_select"
429 eval sgs="\$${var}_suggest"
430 pushvar var sgs
431 enable_deep $sel
432 popvar sgs
433 enable_deep_weak $sgs
434 popvar var
435 done
436 }
437
438 enable_deep(){
439 do_enable_deep $*
440 enable $*
441 }
442
443 enable_deep_weak(){
444 do_enable_deep $*
445 enable_weak $*
446 }
447
448 enabled(){
449 test "${1#!}" = "$1" && op== || op=!=
450 eval test "x\$${1#!}" $op "xyes"
451 }
452
453 disabled(){
454 test "${1#!}" = "$1" && op== || op=!=
455 eval test "x\$${1#!}" $op "xno"
456 }
457
458 enabled_all(){
459 for opt; do
460 enabled $opt || return 1
461 done
462 }
463
464 disabled_all(){
465 for opt; do
466 disabled $opt || return 1
467 done
468 }
469
470 enabled_any(){
471 for opt; do
472 enabled $opt && return 0
473 done
474 }
475
476 disabled_any(){
477 for opt; do
478 disabled $opt && return 0
479 done
480 return 1
481 }
482
483 set_default(){
484 for opt; do
485 eval : \${$opt:=\$${opt}_default}
486 done
487 }
488
489 is_in(){
490 value=$1
491 shift
492 for var in $*; do
493 [ $var = $value ] && return 0
494 done
495 return 1
496 }
497
498 check_deps(){
499 for cfg; do
500 cfg="${cfg#!}"
501 enabled ${cfg}_checking && die "Circular dependency for $cfg."
502 disabled ${cfg}_checking && continue
503 enable ${cfg}_checking
504
505 eval dep_all="\$${cfg}_deps"
506 eval dep_any="\$${cfg}_deps_any"
507 eval dep_sel="\$${cfg}_select"
508 eval dep_sgs="\$${cfg}_suggest"
509 eval dep_ifa="\$${cfg}_if"
510 eval dep_ifn="\$${cfg}_if_any"
511
512 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
513 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
514 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
515
516 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
517 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
518 enabled_all $dep_all || disable $cfg
519 enabled_any $dep_any || disable $cfg
520 disabled_any $dep_sel && disable $cfg
521
522 if enabled $cfg; then
523 eval dep_extralibs="\$${cfg}_extralibs"
524 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
525 enable_deep $dep_sel
526 enable_deep_weak $dep_sgs
527 fi
528
529 disable ${cfg}_checking
530 done
531 }
532
533 print_config_h(){
534 enabled $1 && v=1 || v=0
535 echo "#define $2 $v"
536 }
537
538 print_config_mak(){
539 enabled $1 && v= || v=!
540 echo "$v$2=yes"
541 }
542
543 print_config_asm(){
544 enabled $1 && echo "%define $2"
545 }
546
547 print_config(){
548 pfx=$1
549 files=$2
550 shift 2
551 for cfg; do
552 ucname="$(toupper $cfg)"
553 for f in $files; do
554 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
555 done
556 done
557 }
558
559 print_enabled(){
560 test "$1" = -n && end=" " && shift || end="\n"
561 suf=$1
562 shift
563 for v; do
564 enabled $v && printf "%s$end" ${v%$suf};
565 done
566 }
567
568 append(){
569 var=$1
570 shift
571 eval "$var=\"\$$var $*\""
572 }
573
574 prepend(){
575 var=$1
576 shift
577 eval "$var=\"$* \$$var\""
578 }
579
580 add_cppflags(){
581 append CPPFLAGS $($filter_cppflags "$@")
582 }
583
584 add_cflags(){
585 append CFLAGS $($filter_cflags "$@")
586 }
587
588 add_asflags(){
589 append ASFLAGS $($filter_asflags "$@")
590 }
591
592 add_ldflags(){
593 append LDFLAGS "$@"
594 }
595
596 add_extralibs(){
597 prepend extralibs "$@"
598 }
599
600 check_cmd(){
601 log "$@"
602 "$@" >> $logfile 2>&1
603 }
604
605 check_cc(){
606 log check_cc "$@"
607 cat > $TMPC
608 log_file $TMPC
609 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
610 }
611
612 check_cpp(){
613 log check_cpp "$@"
614 cat > $TMPC
615 log_file $TMPC
616 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
617 }
618
619 check_as(){
620 log check_as "$@"
621 cat > $TMPC
622 log_file $TMPC
623 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
624 }
625
626 check_asm(){
627 log check_asm "$@"
628 name="$1"
629 code="$2"
630 shift 2
631 disable $name
632 check_as "$@" <<EOF && enable $name
633 void foo(void){ __asm__ volatile($code); }
634 EOF
635 }
636
637 check_yasm(){
638 log check_yasm "$@"
639 echo "$1" > $TMPS
640 log_file $TMPS
641 shift 1
642 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
643 }
644
645 check_ld(){
646 log check_ld "$@"
647 flags=''
648 libs=''
649 for f; do
650 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
651 done
652 check_cc $($filter_cflags $flags) || return
653 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
654 }
655
656 check_cppflags(){
657 log check_cppflags "$@"
658 set -- $($filter_cppflags "$@")
659 check_cc "$@" <<EOF && append CPPFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 check_cflags(){
665 log check_cflags "$@"
666 set -- $($filter_cflags "$@")
667 check_cc "$@" <<EOF && append CFLAGS "$@"
668 int x;
669 EOF
670 }
671
672 test_ldflags(){
673 log test_ldflags "$@"
674 check_ld "$@" <<EOF
675 int main(void){ return 0; }
676 EOF
677 }
678
679 check_ldflags(){
680 log check_ldflags "$@"
681 test_ldflags "$@" && add_ldflags "$@"
682 }
683
684 check_header(){
685 log check_header "$@"
686 header=$1
687 shift
688 disable_safe $header
689 check_cpp "$@" <<EOF && enable_safe $header
690 #include <$header>
691 int x;
692 EOF
693 }
694
695 check_func(){
696 log check_func "$@"
697 func=$1
698 shift
699 disable $func
700 check_ld "$@" <<EOF && enable $func
701 extern int $func();
702 int main(void){ $func(); }
703 EOF
704 }
705
706 check_mathfunc(){
707 log check_mathfunc "$@"
708 func=$1
709 shift
710 disable $func
711 check_ld "$@" <<EOF && enable $func
712 #include <math.h>
713 float foo(float f) { return $func(f); }
714 int main(void){ return 0; }
715 EOF
716 }
717
718 check_func_headers(){
719 log check_func_headers "$@"
720 headers=$1
721 funcs=$2
722 shift 2
723 {
724 for hdr in $headers; do
725 echo "#include <$hdr>"
726 done
727 for func in $funcs; do
728 echo "long check_$func(void) { return (long) $func; }"
729 done
730 echo "int main(void) { return 0; }"
731 } | check_ld "$@" && enable $funcs && enable_safe $headers
732 }
733
734 check_cpp_condition(){
735 log check_cpp_condition "$@"
736 header=$1
737 condition=$2
738 shift 2
739 check_cpp $($filter_cppflags "$@") <<EOF
740 #include <$header>
741 #if !($condition)
742 #error "unsatisfied condition: $condition"
743 #endif
744 EOF
745 }
746
747 check_lib(){
748 log check_lib "$@"
749 header="$1"
750 func="$2"
751 shift 2
752 check_header $header && check_func $func "$@" && add_extralibs "$@"
753 }
754
755 check_lib2(){
756 log check_lib2 "$@"
757 headers="$1"
758 funcs="$2"
759 shift 2
760 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
761 }
762
763 check_pkg_config(){
764 log check_pkg_config "$@"
765 pkg="$1"
766 headers="$2"
767 funcs="$3"
768 shift 3
769 $pkg_config --exists $pkg || return
770 pkg_cflags=$($pkg_config --cflags $pkg)
771 pkg_libs=$($pkg_config --libs $pkg)
772 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
773 set_safe ${pkg}_cflags $pkg_cflags &&
774 set_safe ${pkg}_libs $pkg_libs
775 }
776
777 check_exec(){
778 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
779 }
780
781 check_exec_crash(){
782 code=$(cat)
783
784 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
785 # are safe but may not be available everywhere. Thus we use
786 # raise(SIGTERM) instead. The check is run in a subshell so we
787 # can redirect the "Terminated" message from the shell. SIGBUS
788 # is not defined by standard C so it is used conditionally.
789
790 (check_exec "$@") >> $logfile 2>&1 <<EOF
791 #include <signal.h>
792 static void sighandler(int sig){
793 raise(SIGTERM);
794 }
795 int main(void){
796 signal(SIGILL, sighandler);
797 signal(SIGFPE, sighandler);
798 signal(SIGSEGV, sighandler);
799 #ifdef SIGBUS
800 signal(SIGBUS, sighandler);
801 #endif
802 { $code }
803 }
804 EOF
805 }
806
807 check_type(){
808 log check_type "$@"
809 headers=$1
810 type=$2
811 shift 2
812 disable_safe "$type"
813 incs=""
814 for hdr in $headers; do
815 incs="$incs
816 #include <$hdr>"
817 done
818 check_cc "$@" <<EOF && enable_safe "$type"
819 $incs
820 $type v;
821 EOF
822 }
823
824 check_struct(){
825 log check_type "$@"
826 headers=$1
827 struct=$2
828 member=$3
829 shift 3
830 disable_safe "${struct}_${member}"
831 incs=""
832 for hdr in $headers; do
833 incs="$incs
834 #include <$hdr>"
835 done
836 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
837 $incs
838 const void *p = &(($struct *)0)->$member;
839 EOF
840 }
841
842 require(){
843 name="$1"
844 header="$2"
845 func="$3"
846 shift 3
847 check_lib $header $func "$@" || die "ERROR: $name not found"
848 }
849
850 require2(){
851 name="$1"
852 headers="$2"
853 func="$3"
854 shift 3
855 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
856 }
857
858 require_pkg_config(){
859 pkg="$1"
860 check_pkg_config "$@" || die "ERROR: $pkg not found"
861 add_cflags $(get_safe ${pkg}_cflags)
862 add_extralibs $(get_safe ${pkg}_libs)
863 }
864
865 check_host_cc(){
866 log check_host_cc "$@"
867 cat > $TMPC
868 log_file $TMPC
869 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
870 }
871
872 check_host_cflags(){
873 log check_host_cflags "$@"
874 check_host_cc "$@" <<EOF && append host_cflags "$@"
875 int x;
876 EOF
877 }
878
879 apply(){
880 file=$1
881 shift
882 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
883 }
884
885 cp_if_changed(){
886 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
887 mkdir -p "$(dirname $2)"
888 cp -f "$1" "$2"
889 }
890
891 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
892 # system-dependent things.
893
894 COMPONENT_LIST="
895 bsfs
896 decoders
897 demuxers
898 encoders
899 filters
900 hwaccels
901 indevs
902 muxers
903 outdevs
904 parsers
905 protocols
906 "
907
908 PROGRAM_LIST="
909 avconv
910 avplay
911 avprobe
912 avserver
913 "
914
915 CONFIG_LIST="
916 $COMPONENT_LIST
917 $PROGRAM_LIST
918 aandct
919 ac3dsp
920 avcodec
921 avdevice
922 avfilter
923 avformat
924 avisynth
925 bzlib
926 dct
927 doc
928 dwt
929 dxva2
930 fastdiv
931 fft
932 frei0r
933 gnutls
934 golomb
935 gpl
936 gray
937 h264chroma
938 h264dsp
939 h264pred
940 hardcoded_tables
941 huffman
942 libcdio
943 libdc1394
944 libdirac
945 libfaac
946 libfreetype
947 libgsm
948 libmp3lame
949 libnut
950 libopencore_amrnb
951 libopencore_amrwb
952 libopencv
953 libopenjpeg
954 libpulse
955 librtmp
956 libschroedinger
957 libspeex
958 libtheora
959 libvo_aacenc
960 libvo_amrwbenc
961 libvorbis
962 libvpx
963 libx264
964 libxavs
965 libxvid
966 lpc
967 lsp
968 mdct
969 memalign_hack
970 mlib
971 mpegaudiodsp
972 network
973 nonfree
974 openssl
975 pic
976 postproc
977 rdft
978 rtpdec
979 runtime_cpudetect
980 safe_bitstream_reader
981 shared
982 sinewin
983 small
984 sram
985 static
986 swscale
987 swscale_alpha
988 thumb
989 vaapi
990 vda
991 vdpau
992 version3
993 x11grab
994 zlib
995 "
996
997 THREADS_LIST='
998 pthreads
999 w32threads
1000 '
1001
1002 ARCH_LIST='
1003 alpha
1004 arm
1005 avr32
1006 avr32_ap
1007 avr32_uc
1008 bfin
1009 ia64
1010 m68k
1011 mips
1012 mips64
1013 parisc
1014 ppc
1015 ppc64
1016 s390
1017 sh4
1018 sparc
1019 sparc64
1020 tomi
1021 x86
1022 x86_32
1023 x86_64
1024 '
1025
1026 ARCH_EXT_LIST='
1027 altivec
1028 amd3dnow
1029 amd3dnowext
1030 armv5te
1031 armv6
1032 armv6t2
1033 armvfp
1034 avx
1035 iwmmxt
1036 mmi
1037 mmx
1038 mmx2
1039 neon
1040 ppc4xx
1041 sse
1042 ssse3
1043 vfpv3
1044 vis
1045 '
1046
1047 HAVE_LIST_PUB='
1048 bigendian
1049 fast_unaligned
1050 '
1051
1052 HAVE_LIST="
1053 $ARCH_EXT_LIST
1054 $HAVE_LIST_PUB
1055 $THREADS_LIST
1056 aligned_stack
1057 alsa_asoundlib_h
1058 altivec_h
1059 arpa_inet_h
1060 asm_mod_y
1061 attribute_may_alias
1062 attribute_packed
1063 closesocket
1064 cmov
1065 dcbzl
1066 dev_bktr_ioctl_bt848_h
1067 dev_bktr_ioctl_meteor_h
1068 dev_ic_bt8xx_h
1069 dev_video_bktr_ioctl_bt848_h
1070 dev_video_meteor_ioctl_meteor_h
1071 dlfcn_h
1072 dlopen
1073 dos_paths
1074 ebp_available
1075 ebx_available
1076 exp2
1077 exp2f
1078 fast_64bit
1079 fast_clz
1080 fast_cmov
1081 fcntl
1082 fork
1083 getaddrinfo
1084 gethrtime
1085 GetProcessAffinityMask
1086 GetProcessMemoryInfo
1087 GetProcessTimes
1088 getrusage
1089 gnu_as
1090 ibm_asm
1091 inet_aton
1092 inline_asm
1093 isatty
1094 ldbrx
1095 libdc1394_1
1096 libdc1394_2
1097 llrint
1098 llrintf
1099 local_aligned_16
1100 local_aligned_8
1101 localtime_r
1102 log2
1103 log2f
1104 loongson
1105 lrint
1106 lrintf
1107 lzo1x_999_compress
1108 machine_ioctl_bt848_h
1109 machine_ioctl_meteor_h
1110 malloc_h
1111 MapViewOfFile
1112 memalign
1113 mkstemp
1114 mmap
1115 poll_h
1116 posix_memalign
1117 round
1118 roundf
1119 sched_getaffinity
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 struct_v4l2_frmivalenum_discrete
1137 symver
1138 symver_asm_label
1139 symver_gnu_asm
1140 sysconf
1141 sysctl
1142 sys_mman_h
1143 sys_param_h
1144 sys_resource_h
1145 sys_select_h
1146 sys_soundcard_h
1147 sys_videoio_h
1148 threads
1149 trunc
1150 truncf
1151 vfp_args
1152 VirtualAlloc
1153 winsock2_h
1154 xform_asm
1155 xmm_clobbers
1156 yasm
1157 "
1158
1159 # options emitted with CONFIG_ prefix but not available on command line
1160 CONFIG_EXTRA="
1161 avutil
1162 gplv3
1163 lgplv3
1164 "
1165
1166 CMDLINE_SELECT="
1167 $ARCH_EXT_LIST
1168 $CONFIG_LIST
1169 $THREADS_LIST
1170 asm
1171 cross_compile
1172 debug
1173 extra_warnings
1174 logging
1175 optimizations
1176 symver
1177 yasm
1178 "
1179
1180 PATHS_LIST='
1181 bindir
1182 datadir
1183 incdir
1184 libdir
1185 mandir
1186 prefix
1187 shlibdir
1188 '
1189
1190 CMDLINE_SET="
1191 $PATHS_LIST
1192 ar
1193 arch
1194 as
1195 build_suffix
1196 cc
1197 cpu
1198 cross_prefix
1199 dep_cc
1200 extra_version
1201 host_cc
1202 host_cflags
1203 host_ldflags
1204 host_libs
1205 host_os
1206 ld
1207 logfile
1208 malloc_prefix
1209 nm
1210 optflags
1211 pkg_config
1212 samples
1213 sysinclude
1214 sysroot
1215 target_exec
1216 target_os
1217 target_path
1218 "
1219
1220 CMDLINE_APPEND="
1221 extra_cflags
1222 "
1223
1224 # code dependency declarations
1225
1226 # architecture extensions
1227
1228 armv5te_deps="arm"
1229 armv6_deps="arm"
1230 armv6t2_deps="arm"
1231 armvfp_deps="arm"
1232 iwmmxt_deps="arm"
1233 neon_deps="arm"
1234 vfpv3_deps="armvfp"
1235
1236 mmi_deps="mips"
1237
1238 altivec_deps="ppc"
1239 ppc4xx_deps="ppc"
1240
1241 vis_deps="sparc"
1242
1243 x86_64_suggest="cmov fast_cmov"
1244 amd3dnow_deps="mmx"
1245 amd3dnowext_deps="amd3dnow"
1246 mmx_deps="x86"
1247 mmx2_deps="mmx"
1248 sse_deps="mmx"
1249 ssse3_deps="sse"
1250 avx_deps="ssse3"
1251
1252 aligned_stack_if_any="ppc x86"
1253 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1254 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1255 fast_unaligned_if_any="armv6 ppc x86"
1256
1257 inline_asm_deps="!tms470"
1258 need_memalign="altivec neon sse"
1259
1260 symver_if_any="symver_asm_label symver_gnu_asm"
1261
1262 # subsystems
1263 dct_select="rdft"
1264 mdct_select="fft"
1265 rdft_select="fft"
1266 mpegaudiodsp_select="dct"
1267
1268 # decoders / encoders / hardware accelerators
1269 aac_decoder_select="mdct sinewin"
1270 aac_encoder_select="mdct sinewin"
1271 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1272 ac3_decoder_select="mdct ac3dsp ac3_parser"
1273 ac3_encoder_select="mdct ac3dsp"
1274 ac3_fixed_encoder_select="mdct ac3dsp"
1275 alac_encoder_select="lpc"
1276 amrnb_decoder_select="lsp"
1277 amrwb_decoder_select="lsp"
1278 atrac1_decoder_select="mdct sinewin"
1279 atrac3_decoder_select="mdct"
1280 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1281 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1282 cavs_decoder_select="golomb"
1283 cook_decoder_select="mdct sinewin"
1284 cscd_decoder_suggest="zlib"
1285 dca_decoder_select="mdct"
1286 dnxhd_encoder_select="aandct"
1287 dxa_decoder_select="zlib"
1288 eac3_decoder_select="ac3_decoder"
1289 eac3_encoder_select="mdct ac3dsp"
1290 eamad_decoder_select="aandct"
1291 eatgq_decoder_select="aandct"
1292 eatqi_decoder_select="aandct"
1293 ffv1_decoder_select="golomb"
1294 flac_decoder_select="golomb"
1295 flac_encoder_select="golomb lpc"
1296 flashsv_decoder_select="zlib"
1297 flashsv_encoder_select="zlib"
1298 flashsv2_decoder_select="zlib"
1299 flv_decoder_select="h263_decoder"
1300 flv_encoder_select="h263_encoder"
1301 fraps_decoder_select="huffman"
1302 h261_encoder_select="aandct"
1303 h263_decoder_select="h263_parser"
1304 h263_encoder_select="aandct"
1305 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1306 h263i_decoder_select="h263_decoder"
1307 h263p_encoder_select="h263_encoder"
1308 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1309 h264_dxva2_hwaccel_deps="dxva2api_h"
1310 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1311 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1312 h264_vda_hwaccel_select="vda h264_decoder"
1313 h264_vdpau_decoder_select="vdpau h264_decoder"
1314 imc_decoder_select="fft mdct sinewin"
1315 jpegls_decoder_select="golomb"
1316 jpegls_encoder_select="golomb"
1317 ljpeg_encoder_select="aandct"
1318 loco_decoder_select="golomb"
1319 mjpeg_encoder_select="aandct"
1320 mlp_decoder_select="mlp_parser"
1321 mp1_decoder_select="mpegaudiodsp"
1322 mp1float_decoder_select="mpegaudiodsp"
1323 mp2_decoder_select="mpegaudiodsp"
1324 mp2float_decoder_select="mpegaudiodsp"
1325 mp3_decoder_select="mpegaudiodsp"
1326 mp3adu_decoder_select="mpegaudiodsp"
1327 mp3adufloat_decoder_select="mpegaudiodsp"
1328 mp3float_decoder_select="mpegaudiodsp"
1329 mp3on4_decoder_select="mpegaudiodsp"
1330 mp3on4float_decoder_select="mpegaudiodsp"
1331 mpc7_decoder_select="mpegaudiodsp"
1332 mpc8_decoder_select="mpegaudiodsp"
1333 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1334 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1335 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1336 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1337 mpeg1video_encoder_select="aandct"
1338 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1339 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1340 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1341 mpeg2video_encoder_select="aandct"
1342 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1343 mpeg4_encoder_select="h263_encoder"
1344 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1345 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1346 msmpeg4v1_decoder_select="h263_decoder"
1347 msmpeg4v1_encoder_select="h263_encoder"
1348 msmpeg4v2_decoder_select="h263_decoder"
1349 msmpeg4v2_encoder_select="h263_encoder"
1350 msmpeg4v3_decoder_select="h263_decoder"
1351 msmpeg4v3_encoder_select="h263_encoder"
1352 nellymoser_decoder_select="mdct sinewin"
1353 nellymoser_encoder_select="mdct sinewin"
1354 png_decoder_select="zlib"
1355 png_encoder_select="zlib"
1356 qcelp_decoder_select="lsp"
1357 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1358 ra_144_encoder_select="lpc"
1359 rv10_decoder_select="h263_decoder"
1360 rv10_encoder_select="h263_encoder"
1361 rv20_decoder_select="h263_decoder"
1362 rv20_encoder_select="h263_encoder"
1363 rv30_decoder_select="golomb h264chroma h264pred"
1364 rv40_decoder_select="golomb h264chroma h264pred"
1365 shorten_decoder_select="golomb"
1366 sipr_decoder_select="lsp"
1367 snow_decoder_select="dwt"
1368 snow_encoder_select="aandct dwt"
1369 svq1_encoder_select="aandct"
1370 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1371 svq3_decoder_suggest="zlib"
1372 theora_decoder_select="vp3_decoder"
1373 tiff_decoder_suggest="zlib"
1374 tiff_encoder_suggest="zlib"
1375 truehd_decoder_select="mlp_decoder"
1376 tscc_decoder_select="zlib"
1377 twinvq_decoder_select="mdct lsp sinewin"
1378 vc1_decoder_select="h263_decoder h264chroma"
1379 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1380 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1381 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1382 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1383 vc1image_decoder_select="vc1_decoder"
1384 vorbis_decoder_select="mdct"
1385 vorbis_encoder_select="mdct"
1386 vp6_decoder_select="huffman"
1387 vp6a_decoder_select="vp6_decoder"
1388 vp6f_decoder_select="vp6_decoder"
1389 vp8_decoder_select="h264pred"
1390 wmapro_decoder_select="mdct sinewin"
1391 wmav1_decoder_select="mdct sinewin"
1392 wmav1_encoder_select="mdct sinewin"
1393 wmav2_decoder_select="mdct sinewin"
1394 wmav2_encoder_select="mdct sinewin"
1395 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1396 wmv1_decoder_select="h263_decoder"
1397 wmv1_encoder_select="h263_encoder"
1398 wmv2_decoder_select="h263_decoder"
1399 wmv2_encoder_select="h263_encoder"
1400 wmv3_decoder_select="vc1_decoder"
1401 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1402 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1403 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1404 wmv3image_decoder_select="wmv3_decoder"
1405 zlib_decoder_select="zlib"
1406 zlib_encoder_select="zlib"
1407 zmbv_decoder_select="zlib"
1408 zmbv_encoder_select="zlib"
1409
1410 vaapi_deps="va_va_h"
1411 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1412 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1413
1414 # parsers
1415 h264_parser_select="golomb h264chroma h264dsp h264pred"
1416
1417 # external libraries
1418 libdirac_decoder_deps="libdirac !libschroedinger"
1419 libdirac_encoder_deps="libdirac"
1420 libfaac_encoder_deps="libfaac"
1421 libgsm_decoder_deps="libgsm"
1422 libgsm_encoder_deps="libgsm"
1423 libgsm_ms_decoder_deps="libgsm"
1424 libgsm_ms_encoder_deps="libgsm"
1425 libmp3lame_encoder_deps="libmp3lame"
1426 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1427 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1428 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1429 libopenjpeg_decoder_deps="libopenjpeg"
1430 libschroedinger_decoder_deps="libschroedinger"
1431 libschroedinger_encoder_deps="libschroedinger"
1432 libspeex_decoder_deps="libspeex"
1433 libspeex_encoder_deps="libspeex"
1434 libtheora_encoder_deps="libtheora"
1435 libvo_aacenc_encoder_deps="libvo_aacenc"
1436 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1437 libvorbis_encoder_deps="libvorbis"
1438 libvpx_decoder_deps="libvpx"
1439 libvpx_encoder_deps="libvpx"
1440 libx264_encoder_deps="libx264"
1441 libxavs_encoder_deps="libxavs"
1442 libxvid_encoder_deps="libxvid"
1443
1444 # demuxers / muxers
1445 ac3_demuxer_select="ac3_parser"
1446 asf_stream_muxer_select="asf_muxer"
1447 avisynth_demuxer_deps="avisynth"
1448 dirac_demuxer_select="dirac_parser"
1449 eac3_demuxer_select="ac3_parser"
1450 flac_demuxer_select="flac_parser"
1451 ipod_muxer_select="mov_muxer"
1452 libnut_demuxer_deps="libnut"
1453 libnut_muxer_deps="libnut"
1454 matroska_audio_muxer_select="matroska_muxer"
1455 matroska_demuxer_suggest="zlib bzlib"
1456 mov_demuxer_suggest="zlib"
1457 mp3_demuxer_select="mpegaudio_parser"
1458 mp4_muxer_select="mov_muxer"
1459 mpegtsraw_demuxer_select="mpegts_demuxer"
1460 mxf_d10_muxer_select="mxf_muxer"
1461 ogg_demuxer_select="golomb"
1462 psp_muxer_select="mov_muxer"
1463 rtp_demuxer_select="sdp_demuxer"
1464 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1465 rtsp_demuxer_select="http_protocol rtpdec"
1466 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1467 sap_demuxer_select="sdp_demuxer"
1468 sap_muxer_select="rtp_muxer rtp_protocol"
1469 sdp_demuxer_select="rtpdec"
1470 spdif_muxer_select="aac_parser"
1471 tg2_muxer_select="mov_muxer"
1472 tgp_muxer_select="mov_muxer"
1473 w64_demuxer_deps="wav_demuxer"
1474
1475 # indevs / outdevs
1476 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1477 alsa_outdev_deps="alsa_asoundlib_h"
1478 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1479 dv1394_indev_deps="dv1394 dv_demuxer"
1480 fbdev_indev_deps="linux_fb_h"
1481 jack_indev_deps="jack_jack_h"
1482 libcdio_indev_deps="libcdio"
1483 libdc1394_indev_deps="libdc1394"
1484 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1485 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1486 pulse_indev_deps="libpulse"
1487 sndio_indev_deps="sndio_h"
1488 sndio_outdev_deps="sndio_h"
1489 v4l_indev_deps="linux_videodev_h"
1490 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1491 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1492 vfwcap_indev_extralibs="-lavicap32"
1493 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1494 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1495
1496 # protocols
1497 gopher_protocol_deps="network"
1498 httpproxy_protocol_deps="network"
1499 httpproxy_protocol_select="tcp_protocol"
1500 http_protocol_deps="network"
1501 http_protocol_select="tcp_protocol"
1502 https_protocol_select="tls_protocol"
1503 mmsh_protocol_select="http_protocol"
1504 mmst_protocol_deps="network"
1505 rtmp_protocol_select="tcp_protocol"
1506 rtp_protocol_select="udp_protocol"
1507 tcp_protocol_deps="network"
1508 tls_protocol_deps_any="openssl gnutls"
1509 tls_protocol_select="tcp_protocol"
1510 udp_protocol_deps="network"
1511
1512 # filters
1513 blackframe_filter_deps="gpl"
1514 boxblur_filter_deps="gpl"
1515 cropdetect_filter_deps="gpl"
1516 delogo_filter_deps="gpl"
1517 drawtext_filter_deps="libfreetype"
1518 frei0r_filter_deps="frei0r dlopen strtok_r"
1519 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1520 hqdn3d_filter_deps="gpl"
1521 ocv_filter_deps="libopencv"
1522 scale_filter_deps="swscale"
1523 yadif_filter_deps="gpl"
1524
1525 # libraries
1526 avdevice_deps="avcodec avformat"
1527 avformat_deps="avcodec"
1528 postproc_deps="gpl"
1529
1530 # programs
1531 avconv_deps="avcodec avformat swscale"
1532 avplay_deps="avcodec avformat swscale sdl"
1533 avplay_select="rdft"
1534 avprobe_deps="avcodec avformat"
1535 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1536 avserver_extralibs='$ldl'
1537
1538 doc_deps="texi2html"
1539
1540 # tests
1541
1542 test_deps(){
1543 suf1=$1
1544 suf2=$2
1545 shift 2
1546 for v; do
1547 dep=${v%=*}
1548 tests=${v#*=}
1549 for name in ${tests}; do
1550 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1551 done
1552 done
1553 }
1554
1555 mxf_d10_test_deps="avfilter"
1556 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1557
1558 test_deps _encoder _decoder \
1559 adpcm_ima_qt \
1560 adpcm_ima_wav \
1561 adpcm_ms \
1562 adpcm_swf \
1563 adpcm_yamaha=adpcm_yam \
1564 alac \
1565 asv1 \
1566 asv2 \
1567 bmp \
1568 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1569 dvvideo="dv dv_411 dv50" \
1570 ffv1 \
1571 flac \
1572 flashsv \
1573 flv \
1574 adpcm_g726=g726 \
1575 gif \
1576 h261 \
1577 h263="h263 h263p" \
1578 huffyuv \
1579 jpegls \
1580 mjpeg="jpg mjpeg ljpeg" \
1581 mp2 \
1582 mpeg1video="mpeg mpeg1b" \
1583 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1584 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1585 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1586 mpeg4="mpeg4thread error rc" \
1587 msmpeg4v3=msmpeg4 \
1588 msmpeg4v2 \
1589 pbm=pbmpipe \
1590 pcx \
1591 pgm="pgm pgmpipe" \
1592 png \
1593 ppm="ppm ppmpipe" \
1594 rawvideo="rgb yuv" \
1595 roq \
1596 rv10 \
1597 rv20 \
1598 sgi \
1599 snow="snow snowll" \
1600 svq1 \
1601 targa=tga \
1602 tiff \
1603 wmav1 \
1604 wmav2 \
1605 wmv1 \
1606 wmv2 \
1607
1608 test_deps _muxer _demuxer \
1609 aiff \
1610 pcm_alaw=alaw \
1611 asf \
1612 au \
1613 avi \
1614 dv=dv_fmt \
1615 ffm \
1616 flv=flv_fmt \
1617 gxf \
1618 matroska=mkv \
1619 mmf \
1620 mov \
1621 pcm_mulaw=mulaw \
1622 mxf="mxf mxf_d10" \
1623 nut \
1624 ogg \
1625 rawvideo=pixfmt \
1626 rm \
1627 swf \
1628 mpegts=ts \
1629 voc \
1630 wav \
1631 yuv4mpegpipe=yuv4mpeg \
1632
1633 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1634 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1635
1636 # default parameters
1637
1638 logfile="config.log"
1639
1640 # installation paths
1641 prefix_default="/usr/local"
1642 bindir_default='${prefix}/bin'
1643 datadir_default='${prefix}/share/avconv'
1644 incdir_default='${prefix}/include'
1645 libdir_default='${prefix}/lib'
1646 mandir_default='${prefix}/share/man'
1647 shlibdir_default="$libdir_default"
1648
1649 # toolchain
1650 ar_default="ar"
1651 cc_default="gcc"
1652 cc_version=\"unknown\"
1653 host_cc_default="gcc"
1654 ln_s="ln -sf"
1655 nm_default="nm"
1656 objformat="elf"
1657 pkg_config_default=pkg-config
1658 ranlib="ranlib"
1659 yasmexe="yasm"
1660
1661 nm_opts='-g'
1662 nogas=":"
1663
1664 # machine
1665 arch_default=$(uname -m)
1666 cpu="generic"
1667
1668 # OS
1669 target_os_default=$(tolower $(uname -s))
1670 host_os=$target_os_default
1671
1672 # configurable options
1673 enable $PROGRAM_LIST
1674
1675 enable avcodec
1676 enable avdevice
1677 enable avfilter
1678 enable avformat
1679 enable avutil
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 sched_getaffinity
2859 check_func sysconf
2860 check_func sysctl
2861 check_func_headers io.h setmode
2862 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2863 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2864 check_func_headers windows.h GetProcessAffinityMask
2865 check_func_headers windows.h GetProcessTimes
2866 check_func_headers windows.h MapViewOfFile
2867 check_func_headers windows.h VirtualAlloc
2868
2869 check_header dlfcn.h
2870 check_header dxva2api.h
2871 check_header malloc.h
2872 check_header poll.h
2873 check_header sys/mman.h
2874 check_header sys/param.h
2875 check_header sys/resource.h
2876 check_header sys/select.h
2877 check_header vdpau/vdpau.h
2878 check_header vdpau/vdpau_x11.h
2879 check_header X11/extensions/XvMClib.h
2880
2881 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2882
2883 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2884 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2885
2886 if ! disabled w32threads && ! enabled pthreads; then
2887 check_func _beginthreadex && enable w32threads
2888 fi
2889
2890 # check for some common methods of building with pthread support
2891 # do this before the optional library checks as some of them require pthreads
2892 if ! disabled pthreads && ! enabled w32threads; then
2893 enable pthreads
2894 if check_func pthread_create; then
2895 :
2896 elif check_func pthread_create -pthread; then
2897 add_cflags -pthread
2898 add_extralibs -pthread
2899 elif check_func pthread_create -pthreads; then
2900 add_cflags -pthreads
2901 add_extralibs -pthreads
2902 elif check_func pthread_create -lpthreadGC2; then
2903 add_extralibs -lpthreadGC2
2904 elif ! check_lib pthread.h pthread_create -lpthread; then
2905 disable pthreads
2906 fi
2907 fi
2908
2909 for thread in $THREADS_LIST; do
2910 if enabled $thread; then
2911 test -n "$thread_type" &&
2912 die "ERROR: Only one thread type must be selected." ||
2913 thread_type="$thread"
2914 fi
2915 done
2916
2917 check_lib math.h sin -lm && LIBM="-lm"
2918 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2919
2920 check_mathfunc exp2
2921 check_mathfunc exp2f
2922 check_mathfunc llrint
2923 check_mathfunc llrintf
2924 check_mathfunc log2
2925 check_mathfunc log2f
2926 check_mathfunc lrint
2927 check_mathfunc lrintf
2928 check_mathfunc round
2929 check_mathfunc roundf
2930 check_mathfunc trunc
2931 check_mathfunc truncf
2932
2933 # these are off by default, so fail if requested and not available
2934 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2935 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2936 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2937 enabled libdirac && require_pkg_config dirac \
2938 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2939 "dirac_decoder_init dirac_encoder_init"
2940 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2941 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2942 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2943 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2944 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2945 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2946 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2947 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2948 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2949 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2950 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2951 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2952 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2953 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2954 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2955 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2956 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2957 enabled libvpx && {
2958 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2959 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2960 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2961 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2962 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2963 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2964 die "ERROR: libx264 version must be >= 0.118."; }
2965 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2966 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2967 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2968 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2969 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2970 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2971 die "ERROR: openssl not found"; }
2972
2973 # libdc1394 check
2974 if enabled libdc1394; then
2975 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2976 enable libdc1394_2; } ||
2977 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2978 enable libdc1394_1; } ||
2979 die "ERROR: No version of libdc1394 found "
2980 fi
2981
2982 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2983 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2984 enable sdl &&
2985 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2986 fi
2987
2988 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2989
2990 check_header linux/fb.h
2991 check_header linux/videodev.h
2992 check_header linux/videodev2.h
2993 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2994
2995 check_header sys/videoio.h
2996
2997 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2998 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2999 # w32api 3.12 had it defined wrong
3000 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3001
3002 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3003 { check_header dev/bktr/ioctl_meteor.h &&
3004 check_header dev/bktr/ioctl_bt848.h; } ||
3005 { check_header machine/ioctl_meteor.h &&
3006 check_header machine/ioctl_bt848.h; } ||
3007 { check_header dev/video/meteor/ioctl_meteor.h &&
3008 check_header dev/video/bktr/ioctl_bt848.h; } ||
3009 check_header dev/ic/bt8xx.h
3010
3011 check_header sndio.h
3012 check_header sys/soundcard.h
3013 check_header soundcard.h
3014
3015 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3016
3017 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3018
3019 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3020
3021 enabled libcdio &&
3022 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3023
3024 enabled x11grab &&
3025 check_header X11/Xlib.h &&
3026 check_header X11/extensions/XShm.h &&
3027 check_header X11/extensions/Xfixes.h &&
3028 check_func XOpenDisplay -lX11 &&
3029 check_func XShmCreateImage -lX11 -lXext &&
3030 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3031
3032 # check for VDA header
3033 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3034 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3035 fi
3036
3037 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3038 check_cpp_condition \
3039 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3040 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3041 disable vdpau; }
3042 fi
3043
3044 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3045
3046 # add some useful compiler flags if supported
3047 check_cflags -Wdeclaration-after-statement
3048 check_cflags -Wall
3049 check_cflags -Wno-parentheses
3050 check_cflags -Wno-switch
3051 check_cflags -Wno-format-zero-length
3052 check_cflags -Wdisabled-optimization
3053 check_cflags -Wpointer-arith
3054 check_cflags -Wredundant-decls
3055 check_cflags -Wno-pointer-sign
3056 check_cflags -Wcast-qual
3057 check_cflags -Wwrite-strings
3058 check_cflags -Wtype-limits
3059 check_cflags -Wundef
3060 check_cflags -Wmissing-prototypes
3061 check_cflags -Wstrict-prototypes
3062 enabled extra_warnings && check_cflags -Winline
3063
3064 # add some linker flags
3065 check_ldflags -Wl,--warn-common
3066 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3067 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3068
3069 echo "X{};" > $TMPV
3070 if test_ldflags -Wl,--version-script,$TMPV; then
3071 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3072 check_cc <<EOF && enable symver_asm_label
3073 void ff_foo(void) __asm__ ("av_foo@VERSION");
3074 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3075 EOF
3076 check_cc <<EOF && enable symver_gnu_asm
3077 __asm__(".symver ff_foo,av_foo@VERSION");
3078 void ff_foo(void) {}
3079 EOF
3080 fi
3081
3082 if [ -n "$optflags" ]; then
3083 add_cflags $optflags
3084 elif enabled small; then
3085 add_cflags $size_cflags
3086 elif enabled optimizations; then
3087 add_cflags $speed_cflags
3088 else
3089 add_cflags $noopt_cflags
3090 fi
3091 check_cflags -fno-math-errno
3092 check_cflags -fno-signed-zeros
3093
3094 if enabled icc; then
3095 # Just warnings, no remarks
3096 check_cflags -w1
3097 # -wd: Disable following warnings
3098 # 144, 167, 556: -Wno-pointer-sign
3099 # 1292: attribute "foo" ignored
3100 # 10006: ignoring unknown option -fno-signed-zeros
3101 # 10148: ignoring unknown option -Wno-parentheses
3102 # 10156: ignoring option '-W'; no argument required
3103 check_cflags -wd144,167,556,1292,10006,10148,10156
3104 # 11030: Warning unknown option --as-needed
3105 # 10156: ignoring option '-export'; no argument required
3106 check_ldflags -wd10156,11030
3107 # Allow to compile with optimizations
3108 check_ldflags -march=$cpu
3109 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3110 enable ebp_available
3111 if enabled x86_32; then
3112 test ${icc_version%%.*} -ge 11 && \
3113 check_cflags -falign-stack=maintain-16-byte || \
3114 disable aligned_stack
3115 fi
3116 elif enabled ccc; then
3117 # disable some annoying warnings
3118 add_cflags -msg_disable cvtu32to64
3119 add_cflags -msg_disable embedcomment
3120 add_cflags -msg_disable needconstext
3121 add_cflags -msg_disable nomainieee
3122 add_cflags -msg_disable ptrmismatch1
3123 add_cflags -msg_disable unreachcode
3124 elif enabled gcc; then
3125 check_cflags -fno-tree-vectorize
3126 check_cflags -Werror=implicit-function-declaration
3127 check_cflags -Werror=missing-prototypes
3128 check_cflags -Werror=declaration-after-statement
3129 elif enabled llvm_gcc; then
3130 check_cflags -mllvm -stack-alignment=16
3131 elif enabled clang; then
3132 check_cflags -mllvm -stack-alignment=16
3133 check_cflags -Qunused-arguments
3134 elif enabled armcc; then
3135 # 2523: use of inline assembler is deprecated
3136 add_cflags -W${armcc_opt},--diag_suppress=2523
3137 add_cflags -W${armcc_opt},--diag_suppress=1207
3138 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3139 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3140 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3141 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3142 elif enabled tms470; then
3143 add_cflags -pds=824 -pds=837
3144 elif enabled pathscale; then
3145 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3146 fi
3147
3148 enabled_any $THREADS_LIST && enable threads
3149
3150 check_deps $CONFIG_LIST \
3151 $CONFIG_EXTRA \
3152 $HAVE_LIST \
3153 $ALL_COMPONENTS \
3154 $ALL_TESTS \
3155
3156 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3157
3158 ! enabled_any memalign posix_memalign malloc_aligned &&
3159 enabled_any $need_memalign && enable memalign_hack
3160
3161 echo "install prefix $prefix"
3162 echo "source path $source_path"
3163 echo "C compiler $cc"
3164 echo "ARCH $arch ($cpu)"
3165 if test "$build_suffix" != ""; then
3166 echo "build suffix $build_suffix"
3167 fi
3168 if test "$extra_version" != ""; then
3169 echo "version string suffix $extra_version"
3170 fi
3171 echo "big-endian ${bigendian-no}"
3172 echo "runtime cpu detection ${runtime_cpudetect-no}"
3173 if enabled x86; then
3174 echo "${yasmexe} ${yasm-no}"
3175 echo "MMX enabled ${mmx-no}"
3176 echo "MMX2 enabled ${mmx2-no}"
3177 echo "3DNow! enabled ${amd3dnow-no}"
3178 echo "3DNow! extended enabled ${amd3dnowext-no}"
3179 echo "SSE enabled ${sse-no}"
3180 echo "SSSE3 enabled ${ssse3-no}"
3181 echo "AVX enabled ${avx-no}"
3182 echo "CMOV enabled ${cmov-no}"
3183 echo "CMOV is fast ${fast_cmov-no}"
3184 echo "EBX available ${ebx_available-no}"
3185 echo "EBP available ${ebp_available-no}"
3186 fi
3187 if enabled arm; then
3188 echo "ARMv5TE enabled ${armv5te-no}"
3189 echo "ARMv6 enabled ${armv6-no}"
3190 echo "ARMv6T2 enabled ${armv6t2-no}"
3191 echo "ARM VFP enabled ${armvfp-no}"
3192 echo "IWMMXT enabled ${iwmmxt-no}"
3193 echo "NEON enabled ${neon-no}"
3194 fi
3195 if enabled mips; then
3196 echo "MMI enabled ${mmi-no}"
3197 fi
3198 if enabled ppc; then
3199 echo "AltiVec enabled ${altivec-no}"
3200 echo "PPC 4xx optimizations ${ppc4xx-no}"
3201 echo "dcbzl available ${dcbzl-no}"
3202 fi
3203 if enabled sparc; then
3204 echo "VIS enabled ${vis-no}"
3205 fi
3206 echo "debug symbols ${debug-no}"
3207 echo "optimize for size ${small-no}"
3208 echo "optimizations ${optimizations-no}"
3209 echo "static ${static-no}"
3210 echo "shared ${shared-no}"
3211 echo "postprocessing support ${postproc-no}"
3212 echo "new filter support ${avfilter-no}"
3213 echo "network support ${network-no}"
3214 echo "threading support ${thread_type-no}"
3215 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3216 echo "SDL support ${sdl-no}"
3217 echo "Sun medialib support ${mlib-no}"
3218 echo "libdxva2 enabled ${dxva2-no}"
3219 echo "libva enabled ${vaapi-no}"
3220 echo "libvdpau enabled ${vdpau-no}"
3221 echo "AVISynth enabled ${avisynth-no}"
3222 echo "frei0r enabled ${frei0r-no}"
3223 echo "gnutls enabled ${gnutls-no}"
3224 echo "libcdio support ${libcdio-no}"
3225 echo "libdc1394 support ${libdc1394-no}"
3226 echo "libdirac enabled ${libdirac-no}"
3227 echo "libfaac enabled ${libfaac-no}"
3228 echo "libgsm enabled ${libgsm-no}"
3229 echo "libmp3lame enabled ${libmp3lame-no}"
3230 echo "libnut enabled ${libnut-no}"
3231 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3232 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3233 echo "libopencv support ${libopencv-no}"
3234 echo "libopenjpeg enabled ${libopenjpeg-no}"
3235 echo "libpulse enabled ${libpulse-no}"
3236 echo "librtmp enabled ${librtmp-no}"
3237 echo "libschroedinger enabled ${libschroedinger-no}"
3238 echo "libspeex enabled ${libspeex-no}"
3239 echo "libtheora enabled ${libtheora-no}"
3240 echo "libvo-aacenc support ${libvo_aacenc-no}"
3241 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3242 echo "libvorbis enabled ${libvorbis-no}"
3243 echo "libvpx enabled ${libvpx-no}"
3244 echo "libx264 enabled ${libx264-no}"
3245 echo "libxavs enabled ${libxavs-no}"
3246 echo "libxvid enabled ${libxvid-no}"
3247 echo "openssl enabled ${openssl-no}"
3248 echo "zlib enabled ${zlib-no}"
3249 echo "bzlib enabled ${bzlib-no}"
3250 echo
3251
3252 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3253 echo "Enabled ${type}s:"
3254 eval list=\$$(toupper $type)_LIST
3255 print_enabled '_*' $list | sort | pr -r -3 -t
3256 echo
3257 done
3258
3259 license="LGPL version 2.1 or later"
3260 if enabled nonfree; then
3261 license="nonfree and unredistributable"
3262 elif enabled gplv3; then
3263 license="GPL version 3 or later"
3264 elif enabled lgplv3; then
3265 license="LGPL version 3 or later"
3266 elif enabled gpl; then
3267 license="GPL version 2 or later"
3268 fi
3269
3270 echo "License: $license"
3271
3272 echo "Creating config.mak and config.h..."
3273
3274 test -e Makefile || $ln_s "$source_path/Makefile" .
3275
3276 config_files="$TMPH config.mak"
3277
3278 cat > config.mak <<EOF
3279 # Automatically generated by configure - do not modify!
3280 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3281 prefix=$prefix
3282 LIBDIR=\$(DESTDIR)$libdir
3283 SHLIBDIR=\$(DESTDIR)$shlibdir
3284 INCDIR=\$(DESTDIR)$incdir
3285 BINDIR=\$(DESTDIR)$bindir
3286 DATADIR=\$(DESTDIR)$datadir
3287 MANDIR=\$(DESTDIR)$mandir
3288 SRC_PATH=$source_path
3289 CC_IDENT=$cc_ident
3290 ARCH=$arch
3291 CC=$cc
3292 AS=$as
3293 LD=$ld
3294 DEPCC=$dep_cc
3295 YASM=$yasmexe
3296 YASMDEP=$yasmexe
3297 AR=$ar
3298 RANLIB=$ranlib
3299 LN_S=$ln_s
3300 CPPFLAGS=$CPPFLAGS
3301 CFLAGS=$CFLAGS
3302 ASFLAGS=$ASFLAGS
3303 AS_O=$CC_O
3304 CC_O=$CC_O
3305 DLLTOOL=$dlltool
3306 LDFLAGS=$LDFLAGS
3307 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3308 SHFLAGS=$SHFLAGS
3309 YASMFLAGS=$YASMFLAGS
3310 BUILDSUF=$build_suffix
3311 FULLNAME=$FULLNAME
3312 LIBPREF=$LIBPREF
3313 LIBSUF=$LIBSUF
3314 LIBNAME=$LIBNAME
3315 SLIBPREF=$SLIBPREF
3316 SLIBSUF=$SLIBSUF
3317 EXESUF=$EXESUF
3318 EXTRA_VERSION=$extra_version
3319 DEPFLAGS=$DEPFLAGS
3320 CCDEP=$CCDEP
3321 ASDEP=$ASDEP
3322 CC_DEPFLAGS=$CC_DEPFLAGS
3323 AS_DEPFLAGS=$AS_DEPFLAGS
3324 HOSTCC=$host_cc
3325 HOSTCFLAGS=$host_cflags
3326 HOSTEXESUF=$HOSTEXESUF
3327 HOSTLDFLAGS=$host_ldflags
3328 HOSTLIBS=$host_libs
3329 TARGET_EXEC=$target_exec
3330 TARGET_PATH=$target_path
3331 SDL_LIBS=$sdl_libs
3332 SDL_CFLAGS=$sdl_cflags
3333 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3334 EXTRALIBS=$extralibs
3335 INSTALL=install
3336 LIBTARGET=${LIBTARGET}
3337 SLIBNAME=${SLIBNAME}
3338 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3339 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3340 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3341 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3342 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3343 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3344 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3345 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3346 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3347 EOF
3348
3349 get_version(){
3350 name=$1
3351 file=$source_path/$2
3352 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3353 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3354 lcname=$(tolower $name)
3355 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3356 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3357 }
3358
3359 get_version LIBAVCODEC libavcodec/version.h
3360 get_version LIBAVDEVICE libavdevice/avdevice.h
3361 get_version LIBAVFILTER libavfilter/version.h
3362 get_version LIBAVFORMAT libavformat/version.h
3363 get_version LIBAVUTIL libavutil/avutil.h
3364 get_version LIBPOSTPROC libpostproc/postprocess.h
3365 get_version LIBSWSCALE libswscale/swscale.h
3366
3367 cat > $TMPH <<EOF
3368 /* Automatically generated by configure - do not modify! */
3369 #ifndef LIBAV_CONFIG_H
3370 #define LIBAV_CONFIG_H
3371 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3372 #define LIBAV_LICENSE "$(c_escape $license)"
3373 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3374 #define CC_TYPE "$cc_type"
3375 #define CC_VERSION $cc_version
3376 #define restrict $_restrict
3377 #define EXTERN_PREFIX "${extern_prefix}"
3378 #define EXTERN_ASM ${extern_prefix}
3379 #define SLIBSUF "$SLIBSUF"
3380 EOF
3381
3382 test -n "$malloc_prefix" &&
3383 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3384
3385 if enabled small || disabled optimizations; then
3386 echo "#undef av_always_inline" >> $TMPH
3387 if enabled small; then
3388 echo "#define av_always_inline inline" >> $TMPH
3389 else
3390 echo "#define av_always_inline av_unused" >> $TMPH
3391 fi
3392 fi
3393
3394 if enabled yasm; then
3395 append config_files $TMPASM
3396 printf '' >$TMPASM
3397 fi
3398
3399 print_config ARCH_ "$config_files" $ARCH_LIST
3400 print_config HAVE_ "$config_files" $HAVE_LIST
3401 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3402 $CONFIG_EXTRA \
3403 $ALL_COMPONENTS \
3404
3405 cat >>config.mak <<EOF
3406 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3407 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3408 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3409 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3410 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3411 EOF
3412
3413 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3414
3415 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3416 cp_if_changed $TMPH config.h
3417 touch .config
3418
3419 enabled yasm && cp_if_changed $TMPASM config.asm
3420
3421 cat > $TMPH <<EOF
3422 /* Generated by ffconf */
3423 #ifndef AVUTIL_AVCONFIG_H
3424 #define AVUTIL_AVCONFIG_H
3425 EOF
3426
3427 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3428
3429 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3430
3431 cp_if_changed $TMPH libavutil/avconfig.h
3432
3433 test -n "$WARNINGS" && printf "\n$WARNINGS"
3434
3435 # build pkg-config files
3436
3437 pkgconfig_generate(){
3438 name=$1
3439 shortname=${name#lib}${build_suffix}
3440 comment=$2
3441 version=$3
3442 libs=$4
3443 requires=$5
3444 enabled ${name#lib} || return 0
3445 mkdir -p $name
3446 cat <<EOF > $name/$name.pc
3447 prefix=$prefix
3448 exec_prefix=\${prefix}
3449 libdir=$libdir
3450 includedir=$incdir
3451
3452 Name: $name
3453 Description: $comment
3454 Version: $version
3455 Requires: $(enabled shared || echo $requires)
3456 Requires.private: $(enabled shared && echo $requires)
3457 Conflicts:
3458 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3459 Libs.private: $(enabled shared && echo $libs)
3460 Cflags: -I\${includedir}
3461 EOF
3462 cat <<EOF > $name/$name-uninstalled.pc
3463 prefix=
3464 exec_prefix=
3465 libdir=\${pcfiledir}
3466 includedir=${source_path}
3467
3468 Name: $name
3469 Description: $comment
3470 Version: $version
3471 Requires: $requires
3472 Conflicts:
3473 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3474 Cflags: -I\${includedir}
3475 EOF
3476 }
3477
3478 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3479 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3480 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3481 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3482 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3483 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3484 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"