fate: split off qtrle codec FATE tests into their own file
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-avconv disable avconv build
85 --disable-avplay disable avplay build
86 --disable-avprobe disable avprobe build
87 --disable-avserver disable avserver build
88 --disable-avdevice disable libavdevice build
89 --disable-avcodec disable libavcodec build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --disable-postproc disable libpostproc build
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --disable-w32threads disable Win32 threads [auto]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --enable-vaapi enable VAAPI code
111 --enable-vda enable VDA code
112 --enable-vdpau enable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-gnutls enable gnutls [no]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libopencv enable video filtering via libopencv [no]
170 --enable-libcdio enable audio CD grabbing with libcdio
171 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
172 and libraw1394 [no]
173 --enable-libdirac enable Dirac support via libdirac [no]
174 --enable-libfaac enable FAAC support via libfaac [no]
175 --enable-libfreetype enable libfreetype [no]
176 --enable-libgsm enable GSM support via libgsm [no]
177 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
178 --enable-libnut enable NUT (de)muxing via libnut,
179 native (de)muxer exists [no]
180 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
181 --enable-libpulse enable Pulseaudio input via libpulse [no]
182 --enable-librtmp enable RTMP[E] support via librtmp [no]
183 --enable-libschroedinger enable Dirac support via libschroedinger [no]
184 --enable-libspeex enable Speex support via libspeex [no]
185 --enable-libtheora enable Theora encoding via libtheora [no]
186 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
187 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
188 --enable-libvorbis enable Vorbis encoding via libvorbis,
189 native implementation exists [no]
190 --enable-libvpx enable VP8 support via libvpx [no]
191 --enable-libx264 enable H.264 encoding via x264 [no]
192 --enable-libxavs enable AVS encoding via xavs [no]
193 --enable-libxvid enable Xvid encoding via xvidcore,
194 native MPEG-4/Xvid encoder exists [no]
195 --enable-mlib enable Sun medialib [no]
196 --enable-openssl enable openssl [no]
197 --enable-zlib enable zlib [autodetect]
198
199 Advanced options (experts only):
200 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
201 --enable-cross-compile assume a cross-compiler is used
202 --sysroot=PATH root of cross-build tree
203 --sysinclude=PATH location of cross-build system headers
204 --target-os=OS compiler targets OS [$target_os]
205 --target-exec=CMD command to run executables on target
206 --target-path=DIR path to view of build directory on target
207 --nm=NM use nm tool
208 --ar=AR use archive tool AR [$ar_default]
209 --as=AS use assembler AS [$as_default]
210 --cc=CC use C compiler CC [$cc_default]
211 --ld=LD use linker LD
212 --host-cc=HOSTCC use host C compiler HOSTCC
213 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
214 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
215 --host-libs=HLIBS use libs HLIBS when linking for host
216 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
217 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
218 --extra-libs=ELIBS add ELIBS [$ELIBS]
219 --extra-version=STRING version string suffix []
220 --build-suffix=SUFFIX library name suffix []
221 --arch=ARCH select architecture [$arch]
222 --cpu=CPU select the minimum required CPU (affects
223 instruction selection, may crash on older CPUs)
224 --disable-asm disable all assembler optimizations
225 --disable-altivec disable AltiVec optimizations
226 --disable-amd3dnow disable 3DNow! optimizations
227 --disable-amd3dnowext disable 3DNow! extended optimizations
228 --disable-mmx disable MMX optimizations
229 --disable-mmx2 disable MMX2 optimizations
230 --disable-sse disable SSE optimizations
231 --disable-ssse3 disable SSSE3 optimizations
232 --disable-avx disable AVX optimizations
233 --disable-armv5te disable armv5te optimizations
234 --disable-armv6 disable armv6 optimizations
235 --disable-armv6t2 disable armv6t2 optimizations
236 --disable-armvfp disable ARM VFP optimizations
237 --disable-iwmmxt disable iwmmxt optimizations
238 --disable-mmi disable MMI optimizations
239 --disable-neon disable neon optimizations
240 --disable-vis disable VIS optimizations
241 --disable-yasm disable use of yasm assembler
242 --enable-pic build position-independent code
243 --malloc-prefix=PFX prefix malloc and related names with PFX
244 --enable-sram allow use of on-chip SRAM
245 --disable-symver disable symbol versioning
246 --optflags override optimization-related compiler flags
247
248 Developer options (useful when working on Libav itself):
249 --disable-debug disable debugging symbols
250 --enable-debug=LEVEL set the debug level [$debuglevel]
251 --disable-optimizations disable compiler optimizations
252 --enable-extra-warnings enable more compiler warnings
253 --samples=PATH location of test samples for FATE, if not set use
254 \$FATE_SAMPLES at make invocation time.
255
256 NOTE: Object files are built at the place where configure is launched.
257 EOF
258 exit 0
259 }
260
261 quotes='""'
262
263 log(){
264 echo "$@" >> $logfile
265 }
266
267 log_file(){
268 log BEGIN $1
269 pr -n -t $1 >> $logfile
270 log END $1
271 }
272
273 echolog(){
274 log "$@"
275 echo "$@"
276 }
277
278 warn(){
279 log "WARNING: $*"
280 WARNINGS="${WARNINGS}WARNING: $*\n"
281 }
282
283 die(){
284 echolog "$@"
285 cat <<EOF
286
287 If you think configure made a mistake, make sure you are using the latest
288 version from Git. If the latest version fails, report the problem to the
289 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
290 EOF
291 if disabled logging; then
292 cat <<EOF
293 Rerun configure with logging enabled (do not use --disable-logging), and
294 include the log this produces with your report.
295 EOF
296 else
297 cat <<EOF
298 Include the log file "$logfile" produced by configure as this will help
299 solving the problem.
300 EOF
301 fi
302 exit 1
303 }
304
305 # Avoid locale weirdness, besides we really just want to translate ASCII.
306 toupper(){
307 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
308 }
309
310 tolower(){
311 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
312 }
313
314 c_escape(){
315 echo "$*" | sed 's/["\\]/\\\0/g'
316 }
317
318 sh_quote(){
319 v=$(echo "$1" | sed "s/'/'\\\\''/g")
320 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
321 echo "$v"
322 }
323
324 cleanws(){
325 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
326 }
327
328 filter(){
329 pat=$1
330 shift
331 for v; do
332 eval "case $v in $pat) echo $v ;; esac"
333 done
334 }
335
336 filter_out(){
337 pat=$1
338 shift
339 for v; do
340 eval "case $v in $pat) ;; *) echo $v ;; esac"
341 done
342 }
343
344 map(){
345 m=$1
346 shift
347 for v; do eval $m; done
348 }
349
350 set_all(){
351 value=$1
352 shift
353 for var in $*; do
354 eval $var=$value
355 done
356 }
357
358 set_weak(){
359 value=$1
360 shift
361 for var; do
362 eval : \${$var:=$value}
363 done
364 }
365
366 set_safe(){
367 var=$1
368 shift
369 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
370 }
371
372 get_safe(){
373 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
374 }
375
376 pushvar(){
377 for var in $*; do
378 eval level=\${${var}_level:=0}
379 eval ${var}_${level}="\$$var"
380 eval ${var}_level=$(($level+1))
381 done
382 }
383
384 popvar(){
385 for var in $*; do
386 eval level=\${${var}_level:-0}
387 test $level = 0 && continue
388 eval level=$(($level-1))
389 eval $var="\${${var}_${level}}"
390 eval ${var}_level=$level
391 eval unset ${var}_${level}
392 done
393 }
394
395 enable(){
396 set_all yes $*
397 }
398
399 disable(){
400 set_all no $*
401 }
402
403 enable_weak(){
404 set_weak yes $*
405 }
406
407 disable_weak(){
408 set_weak no $*
409 }
410
411 enable_safe(){
412 for var; do
413 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 disable_safe(){
418 for var; do
419 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
420 done
421 }
422
423 do_enable_deep(){
424 for var; do
425 enabled $var && continue
426 eval sel="\$${var}_select"
427 eval sgs="\$${var}_suggest"
428 pushvar var sgs
429 enable_deep $sel
430 popvar sgs
431 enable_deep_weak $sgs
432 popvar var
433 done
434 }
435
436 enable_deep(){
437 do_enable_deep $*
438 enable $*
439 }
440
441 enable_deep_weak(){
442 do_enable_deep $*
443 enable_weak $*
444 }
445
446 enabled(){
447 test "${1#!}" = "$1" && op== || op=!=
448 eval test "x\$${1#!}" $op "xyes"
449 }
450
451 disabled(){
452 test "${1#!}" = "$1" && op== || op=!=
453 eval test "x\$${1#!}" $op "xno"
454 }
455
456 enabled_all(){
457 for opt; do
458 enabled $opt || return 1
459 done
460 }
461
462 disabled_all(){
463 for opt; do
464 disabled $opt || return 1
465 done
466 }
467
468 enabled_any(){
469 for opt; do
470 enabled $opt && return 0
471 done
472 }
473
474 disabled_any(){
475 for opt; do
476 disabled $opt && return 0
477 done
478 return 1
479 }
480
481 set_default(){
482 for opt; do
483 eval : \${$opt:=\$${opt}_default}
484 done
485 }
486
487 is_in(){
488 value=$1
489 shift
490 for var in $*; do
491 [ $var = $value ] && return 0
492 done
493 return 1
494 }
495
496 check_deps(){
497 for cfg; do
498 cfg="${cfg#!}"
499 enabled ${cfg}_checking && die "Circular dependency for $cfg."
500 disabled ${cfg}_checking && continue
501 enable ${cfg}_checking
502
503 eval dep_all="\$${cfg}_deps"
504 eval dep_any="\$${cfg}_deps_any"
505 eval dep_sel="\$${cfg}_select"
506 eval dep_sgs="\$${cfg}_suggest"
507 eval dep_ifa="\$${cfg}_if"
508 eval dep_ifn="\$${cfg}_if_any"
509
510 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
511 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
512 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
513
514 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
515 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
516 enabled_all $dep_all || disable $cfg
517 enabled_any $dep_any || disable $cfg
518 disabled_any $dep_sel && disable $cfg
519
520 if enabled $cfg; then
521 eval dep_extralibs="\$${cfg}_extralibs"
522 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
523 enable_deep $dep_sel
524 enable_deep_weak $dep_sgs
525 fi
526
527 disable ${cfg}_checking
528 done
529 }
530
531 print_config_h(){
532 enabled $1 && v=1 || v=0
533 echo "#define $2 $v"
534 }
535
536 print_config_mak(){
537 enabled $1 && v= || v=!
538 echo "$v$2=yes"
539 }
540
541 print_config_asm(){
542 enabled $1 && echo "%define $2"
543 }
544
545 print_config(){
546 pfx=$1
547 files=$2
548 shift 2
549 for cfg; do
550 ucname="$(toupper $cfg)"
551 for f in $files; do
552 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
553 done
554 done
555 }
556
557 print_enabled(){
558 test "$1" = -n && end=" " && shift || end="\n"
559 suf=$1
560 shift
561 for v; do
562 enabled $v && printf "%s$end" ${v%$suf};
563 done
564 }
565
566 append(){
567 var=$1
568 shift
569 eval "$var=\"\$$var $*\""
570 }
571
572 prepend(){
573 var=$1
574 shift
575 eval "$var=\"$* \$$var\""
576 }
577
578 add_cppflags(){
579 append CPPFLAGS $($filter_cppflags "$@")
580 }
581
582 add_cflags(){
583 append CFLAGS $($filter_cflags "$@")
584 }
585
586 add_asflags(){
587 append ASFLAGS $($filter_asflags "$@")
588 }
589
590 add_ldflags(){
591 append LDFLAGS "$@"
592 }
593
594 add_extralibs(){
595 prepend extralibs "$@"
596 }
597
598 check_cmd(){
599 log "$@"
600 "$@" >> $logfile 2>&1
601 }
602
603 check_cc(){
604 log check_cc "$@"
605 cat > $TMPC
606 log_file $TMPC
607 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
608 }
609
610 check_cpp(){
611 log check_cpp "$@"
612 cat > $TMPC
613 log_file $TMPC
614 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
615 }
616
617 check_as(){
618 log check_as "$@"
619 cat > $TMPC
620 log_file $TMPC
621 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
622 }
623
624 check_asm(){
625 log check_asm "$@"
626 name="$1"
627 code="$2"
628 shift 2
629 disable $name
630 check_as "$@" <<EOF && enable $name
631 void foo(void){ __asm__ volatile($code); }
632 EOF
633 }
634
635 check_yasm(){
636 log check_yasm "$@"
637 echo "$1" > $TMPS
638 log_file $TMPS
639 shift 1
640 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
641 }
642
643 check_ld(){
644 log check_ld "$@"
645 flags=''
646 libs=''
647 for f; do
648 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
649 done
650 check_cc $($filter_cflags $flags) || return
651 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
652 }
653
654 check_cppflags(){
655 log check_cppflags "$@"
656 set -- $($filter_cppflags "$@")
657 check_cc "$@" <<EOF && append CPPFLAGS "$@"
658 int x;
659 EOF
660 }
661
662 check_cflags(){
663 log check_cflags "$@"
664 set -- $($filter_cflags "$@")
665 check_cc "$@" <<EOF && append CFLAGS "$@"
666 int x;
667 EOF
668 }
669
670 test_ldflags(){
671 log test_ldflags "$@"
672 check_ld "$@" <<EOF
673 int main(void){ return 0; }
674 EOF
675 }
676
677 check_ldflags(){
678 log check_ldflags "$@"
679 test_ldflags "$@" && add_ldflags "$@"
680 }
681
682 check_header(){
683 log check_header "$@"
684 header=$1
685 shift
686 disable_safe $header
687 check_cpp "$@" <<EOF && enable_safe $header
688 #include <$header>
689 int x;
690 EOF
691 }
692
693 check_func(){
694 log check_func "$@"
695 func=$1
696 shift
697 disable $func
698 check_ld "$@" <<EOF && enable $func
699 extern int $func();
700 int main(void){ $func(); }
701 EOF
702 }
703
704 check_mathfunc(){
705 log check_mathfunc "$@"
706 func=$1
707 shift
708 disable $func
709 check_ld "$@" <<EOF && enable $func
710 #include <math.h>
711 float foo(float f) { return $func(f); }
712 int main(void){ return 0; }
713 EOF
714 }
715
716 check_func_headers(){
717 log check_func_headers "$@"
718 headers=$1
719 funcs=$2
720 shift 2
721 {
722 for hdr in $headers; do
723 echo "#include <$hdr>"
724 done
725 for func in $funcs; do
726 echo "long check_$func(void) { return (long) $func; }"
727 done
728 echo "int main(void) { return 0; }"
729 } | check_ld "$@" && enable $funcs && enable_safe $headers
730 }
731
732 check_cpp_condition(){
733 log check_cpp_condition "$@"
734 header=$1
735 condition=$2
736 shift 2
737 check_cpp $($filter_cppflags "$@") <<EOF
738 #include <$header>
739 #if !($condition)
740 #error "unsatisfied condition: $condition"
741 #endif
742 EOF
743 }
744
745 check_lib(){
746 log check_lib "$@"
747 header="$1"
748 func="$2"
749 shift 2
750 check_header $header && check_func $func "$@" && add_extralibs "$@"
751 }
752
753 check_lib2(){
754 log check_lib2 "$@"
755 headers="$1"
756 funcs="$2"
757 shift 2
758 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
759 }
760
761 check_pkg_config(){
762 log check_pkg_config "$@"
763 pkg="$1"
764 headers="$2"
765 funcs="$3"
766 shift 3
767 $pkg_config --exists $pkg || return
768 pkg_cflags=$($pkg_config --cflags $pkg)
769 pkg_libs=$($pkg_config --libs $pkg)
770 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
771 set_safe ${pkg}_cflags $pkg_cflags &&
772 set_safe ${pkg}_libs $pkg_libs
773 }
774
775 check_exec(){
776 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
777 }
778
779 check_exec_crash(){
780 code=$(cat)
781
782 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
783 # are safe but may not be available everywhere. Thus we use
784 # raise(SIGTERM) instead. The check is run in a subshell so we
785 # can redirect the "Terminated" message from the shell. SIGBUS
786 # is not defined by standard C so it is used conditionally.
787
788 (check_exec "$@") >> $logfile 2>&1 <<EOF
789 #include <signal.h>
790 static void sighandler(int sig){
791 raise(SIGTERM);
792 }
793 int main(void){
794 signal(SIGILL, sighandler);
795 signal(SIGFPE, sighandler);
796 signal(SIGSEGV, sighandler);
797 #ifdef SIGBUS
798 signal(SIGBUS, sighandler);
799 #endif
800 { $code }
801 }
802 EOF
803 }
804
805 check_type(){
806 log check_type "$@"
807 headers=$1
808 type=$2
809 shift 2
810 disable_safe "$type"
811 incs=""
812 for hdr in $headers; do
813 incs="$incs
814 #include <$hdr>"
815 done
816 check_cc "$@" <<EOF && enable_safe "$type"
817 $incs
818 $type v;
819 EOF
820 }
821
822 check_struct(){
823 log check_type "$@"
824 headers=$1
825 struct=$2
826 member=$3
827 shift 3
828 disable_safe "${struct}_${member}"
829 incs=""
830 for hdr in $headers; do
831 incs="$incs
832 #include <$hdr>"
833 done
834 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
835 $incs
836 const void *p = &(($struct *)0)->$member;
837 EOF
838 }
839
840 require(){
841 name="$1"
842 header="$2"
843 func="$3"
844 shift 3
845 check_lib $header $func "$@" || die "ERROR: $name not found"
846 }
847
848 require2(){
849 name="$1"
850 headers="$2"
851 func="$3"
852 shift 3
853 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
854 }
855
856 require_pkg_config(){
857 pkg="$1"
858 check_pkg_config "$@" || die "ERROR: $pkg not found"
859 add_cflags $(get_safe ${pkg}_cflags)
860 add_extralibs $(get_safe ${pkg}_libs)
861 }
862
863 check_host_cc(){
864 log check_host_cc "$@"
865 cat > $TMPC
866 log_file $TMPC
867 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
868 }
869
870 check_host_cflags(){
871 log check_host_cflags "$@"
872 check_host_cc "$@" <<EOF && append host_cflags "$@"
873 int x;
874 EOF
875 }
876
877 apply(){
878 file=$1
879 shift
880 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
881 }
882
883 cp_if_changed(){
884 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
885 mkdir -p "$(dirname $2)"
886 cp -f "$1" "$2"
887 }
888
889 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
890 # system-dependent things.
891
892 COMPONENT_LIST="
893 bsfs
894 decoders
895 demuxers
896 encoders
897 filters
898 hwaccels
899 indevs
900 muxers
901 outdevs
902 parsers
903 protocols
904 "
905
906 CONFIG_LIST="
907 $COMPONENT_LIST
908 aandct
909 ac3dsp
910 avcodec
911 avdevice
912 avfilter
913 avformat
914 avisynth
915 bzlib
916 dct
917 doc
918 dwt
919 dxva2
920 fastdiv
921 ffmpeg
922 avconv
923 avplay
924 avprobe
925 avserver
926 fft
927 frei0r
928 gnutls
929 golomb
930 gpl
931 gray
932 h264chroma
933 h264dsp
934 h264pred
935 hardcoded_tables
936 huffman
937 libcdio
938 libdc1394
939 libdirac
940 libfaac
941 libfreetype
942 libgsm
943 libmp3lame
944 libnut
945 libopencore_amrnb
946 libopencore_amrwb
947 libopencv
948 libopenjpeg
949 libpulse
950 librtmp
951 libschroedinger
952 libspeex
953 libtheora
954 libvo_aacenc
955 libvo_amrwbenc
956 libvorbis
957 libvpx
958 libx264
959 libxavs
960 libxvid
961 lpc
962 lsp
963 mdct
964 memalign_hack
965 mlib
966 mpegaudiodsp
967 network
968 nonfree
969 openssl
970 pic
971 postproc
972 rdft
973 rtpdec
974 runtime_cpudetect
975 shared
976 sinewin
977 small
978 sram
979 static
980 swscale
981 swscale_alpha
982 thumb
983 vaapi
984 vda
985 vdpau
986 version3
987 x11grab
988 zlib
989 "
990
991 THREADS_LIST='
992 pthreads
993 w32threads
994 '
995
996 ARCH_LIST='
997 alpha
998 arm
999 avr32
1000 avr32_ap
1001 avr32_uc
1002 bfin
1003 ia64
1004 m68k
1005 mips
1006 mips64
1007 parisc
1008 ppc
1009 ppc64
1010 s390
1011 sh4
1012 sparc
1013 sparc64
1014 tomi
1015 x86
1016 x86_32
1017 x86_64
1018 '
1019
1020 ARCH_EXT_LIST='
1021 altivec
1022 amd3dnow
1023 amd3dnowext
1024 armv5te
1025 armv6
1026 armv6t2
1027 armvfp
1028 avx
1029 iwmmxt
1030 mmi
1031 mmx
1032 mmx2
1033 neon
1034 ppc4xx
1035 sse
1036 ssse3
1037 vfpv3
1038 vis
1039 '
1040
1041 HAVE_LIST_PUB='
1042 bigendian
1043 fast_unaligned
1044 '
1045
1046 HAVE_LIST="
1047 $ARCH_EXT_LIST
1048 $HAVE_LIST_PUB
1049 $THREADS_LIST
1050 aligned_stack
1051 alsa_asoundlib_h
1052 altivec_h
1053 arpa_inet_h
1054 asm_mod_y
1055 attribute_may_alias
1056 attribute_packed
1057 closesocket
1058 cmov
1059 dcbzl
1060 dev_bktr_ioctl_bt848_h
1061 dev_bktr_ioctl_meteor_h
1062 dev_ic_bt8xx_h
1063 dev_video_bktr_ioctl_bt848_h
1064 dev_video_meteor_ioctl_meteor_h
1065 dlfcn_h
1066 dlopen
1067 dos_paths
1068 ebp_available
1069 ebx_available
1070 exp2
1071 exp2f
1072 fast_64bit
1073 fast_clz
1074 fast_cmov
1075 fcntl
1076 fork
1077 getaddrinfo
1078 gethrtime
1079 GetProcessMemoryInfo
1080 GetProcessTimes
1081 getrusage
1082 gnu_as
1083 ibm_asm
1084 inet_aton
1085 inline_asm
1086 isatty
1087 ldbrx
1088 libdc1394_1
1089 libdc1394_2
1090 llrint
1091 llrintf
1092 local_aligned_16
1093 local_aligned_8
1094 localtime_r
1095 log2
1096 log2f
1097 loongson
1098 lrint
1099 lrintf
1100 lzo1x_999_compress
1101 machine_ioctl_bt848_h
1102 machine_ioctl_meteor_h
1103 malloc_h
1104 MapViewOfFile
1105 memalign
1106 mkstemp
1107 mmap
1108 poll_h
1109 posix_memalign
1110 round
1111 roundf
1112 sdl
1113 sdl_video_size
1114 setmode
1115 setrlimit
1116 sndio_h
1117 socklen_t
1118 soundcard_h
1119 strerror_r
1120 strptime
1121 strtok_r
1122 struct_addrinfo
1123 struct_ipv6_mreq
1124 struct_rusage_ru_maxrss
1125 struct_sockaddr_in6
1126 struct_sockaddr_sa_len
1127 struct_sockaddr_storage
1128 symver
1129 symver_asm_label
1130 symver_gnu_asm
1131 sys_mman_h
1132 sys_resource_h
1133 sys_select_h
1134 sys_soundcard_h
1135 sys_videoio_h
1136 threads
1137 trunc
1138 truncf
1139 vfp_args
1140 VirtualAlloc
1141 winsock2_h
1142 xform_asm
1143 xmm_clobbers
1144 yasm
1145 "
1146
1147 # options emitted with CONFIG_ prefix but not available on command line
1148 CONFIG_EXTRA="
1149 avutil
1150 gplv3
1151 lgplv3
1152 "
1153
1154 CMDLINE_SELECT="
1155 $ARCH_EXT_LIST
1156 $CONFIG_LIST
1157 $THREADS_LIST
1158 asm
1159 cross_compile
1160 debug
1161 extra_warnings
1162 logging
1163 optimizations
1164 symver
1165 yasm
1166 "
1167
1168 PATHS_LIST='
1169 bindir
1170 datadir
1171 incdir
1172 libdir
1173 mandir
1174 prefix
1175 shlibdir
1176 '
1177
1178 CMDLINE_SET="
1179 $PATHS_LIST
1180 ar
1181 arch
1182 as
1183 build_suffix
1184 cc
1185 cpu
1186 cross_prefix
1187 dep_cc
1188 extra_version
1189 host_cc
1190 host_cflags
1191 host_ldflags
1192 host_libs
1193 host_os
1194 ld
1195 logfile
1196 malloc_prefix
1197 nm
1198 optflags
1199 pkg_config
1200 samples
1201 sysinclude
1202 sysroot
1203 target_exec
1204 target_os
1205 target_path
1206 "
1207
1208 CMDLINE_APPEND="
1209 extra_cflags
1210 "
1211
1212 # code dependency declarations
1213
1214 # architecture extensions
1215
1216 armv5te_deps="arm"
1217 armv6_deps="arm"
1218 armv6t2_deps="arm"
1219 armvfp_deps="arm"
1220 iwmmxt_deps="arm"
1221 neon_deps="arm"
1222 vfpv3_deps="armvfp"
1223
1224 mmi_deps="mips"
1225
1226 altivec_deps="ppc"
1227 ppc4xx_deps="ppc"
1228
1229 vis_deps="sparc"
1230
1231 x86_64_suggest="cmov fast_cmov"
1232 amd3dnow_deps="mmx"
1233 amd3dnowext_deps="amd3dnow"
1234 mmx_deps="x86"
1235 mmx2_deps="mmx"
1236 sse_deps="mmx"
1237 ssse3_deps="sse"
1238 avx_deps="ssse3"
1239
1240 aligned_stack_if_any="ppc x86"
1241 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1242 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1243 fast_unaligned_if_any="armv6 ppc x86"
1244
1245 inline_asm_deps="!tms470"
1246 need_memalign="altivec neon sse"
1247
1248 symver_if_any="symver_asm_label symver_gnu_asm"
1249
1250 # subsystems
1251 dct_select="rdft"
1252 mdct_select="fft"
1253 rdft_select="fft"
1254 mpegaudiodsp_select="dct"
1255
1256 # decoders / encoders / hardware accelerators
1257 aac_decoder_select="mdct sinewin"
1258 aac_encoder_select="mdct sinewin"
1259 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1260 ac3_decoder_select="mdct ac3dsp ac3_parser"
1261 ac3_encoder_select="mdct ac3dsp"
1262 ac3_fixed_encoder_select="mdct ac3dsp"
1263 alac_encoder_select="lpc"
1264 amrnb_decoder_select="lsp"
1265 amrwb_decoder_select="lsp"
1266 atrac1_decoder_select="mdct sinewin"
1267 atrac3_decoder_select="mdct"
1268 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1269 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1270 cavs_decoder_select="golomb"
1271 cook_decoder_select="mdct sinewin"
1272 cscd_decoder_suggest="zlib"
1273 dca_decoder_select="mdct"
1274 dnxhd_encoder_select="aandct"
1275 dxa_decoder_select="zlib"
1276 eac3_decoder_select="ac3_decoder"
1277 eac3_encoder_select="mdct ac3dsp"
1278 eamad_decoder_select="aandct"
1279 eatgq_decoder_select="aandct"
1280 eatqi_decoder_select="aandct"
1281 ffv1_decoder_select="golomb"
1282 flac_decoder_select="golomb"
1283 flac_encoder_select="golomb lpc"
1284 flashsv_decoder_select="zlib"
1285 flashsv_encoder_select="zlib"
1286 flashsv2_decoder_select="zlib"
1287 flv_decoder_select="h263_decoder"
1288 flv_encoder_select="h263_encoder"
1289 fraps_decoder_select="huffman"
1290 h261_encoder_select="aandct"
1291 h263_decoder_select="h263_parser"
1292 h263_encoder_select="aandct"
1293 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1294 h263i_decoder_select="h263_decoder"
1295 h263p_encoder_select="h263_encoder"
1296 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1297 h264_dxva2_hwaccel_deps="dxva2api_h"
1298 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1299 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1300 h264_vda_hwaccel_select="vda h264_decoder"
1301 h264_vdpau_decoder_select="vdpau h264_decoder"
1302 imc_decoder_select="fft mdct sinewin"
1303 jpegls_decoder_select="golomb"
1304 jpegls_encoder_select="golomb"
1305 ljpeg_encoder_select="aandct"
1306 loco_decoder_select="golomb"
1307 mjpeg_encoder_select="aandct"
1308 mlp_decoder_select="mlp_parser"
1309 mp1_decoder_select="mpegaudiodsp"
1310 mp1float_decoder_select="mpegaudiodsp"
1311 mp2_decoder_select="mpegaudiodsp"
1312 mp2float_decoder_select="mpegaudiodsp"
1313 mp3_decoder_select="mpegaudiodsp"
1314 mp3adu_decoder_select="mpegaudiodsp"
1315 mp3adufloat_decoder_select="mpegaudiodsp"
1316 mp3float_decoder_select="mpegaudiodsp"
1317 mp3on4_decoder_select="mpegaudiodsp"
1318 mp3on4float_decoder_select="mpegaudiodsp"
1319 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1320 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1321 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1322 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1323 mpeg1video_encoder_select="aandct"
1324 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1325 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1326 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1327 mpeg2video_encoder_select="aandct"
1328 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1329 mpeg4_encoder_select="h263_encoder"
1330 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1331 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1332 msmpeg4v1_decoder_select="h263_decoder"
1333 msmpeg4v1_encoder_select="h263_encoder"
1334 msmpeg4v2_decoder_select="h263_decoder"
1335 msmpeg4v2_encoder_select="h263_encoder"
1336 msmpeg4v3_decoder_select="h263_decoder"
1337 msmpeg4v3_encoder_select="h263_encoder"
1338 nellymoser_decoder_select="mdct sinewin"
1339 nellymoser_encoder_select="mdct sinewin"
1340 png_decoder_select="zlib"
1341 png_encoder_select="zlib"
1342 qcelp_decoder_select="lsp"
1343 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1344 ra_144_encoder_select="lpc"
1345 rv10_decoder_select="h263_decoder"
1346 rv10_encoder_select="h263_encoder"
1347 rv20_decoder_select="h263_decoder"
1348 rv20_encoder_select="h263_encoder"
1349 rv30_decoder_select="golomb h264chroma h264pred"
1350 rv40_decoder_select="golomb h264chroma h264pred"
1351 shorten_decoder_select="golomb"
1352 sipr_decoder_select="lsp"
1353 snow_decoder_select="dwt"
1354 snow_encoder_select="aandct dwt"
1355 svq1_encoder_select="aandct"
1356 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1357 svq3_decoder_suggest="zlib"
1358 theora_decoder_select="vp3_decoder"
1359 tiff_decoder_suggest="zlib"
1360 tiff_encoder_suggest="zlib"
1361 truehd_decoder_select="mlp_decoder"
1362 tscc_decoder_select="zlib"
1363 twinvq_decoder_select="mdct lsp sinewin"
1364 vc1_decoder_select="h263_decoder h264chroma"
1365 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1366 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1367 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1368 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1369 vc1image_decoder_select="vc1_decoder"
1370 vorbis_decoder_select="mdct"
1371 vorbis_encoder_select="mdct"
1372 vp6_decoder_select="huffman"
1373 vp6a_decoder_select="vp6_decoder"
1374 vp6f_decoder_select="vp6_decoder"
1375 vp8_decoder_select="h264pred"
1376 wmapro_decoder_select="mdct sinewin"
1377 wmav1_decoder_select="mdct sinewin"
1378 wmav1_encoder_select="mdct sinewin"
1379 wmav2_decoder_select="mdct sinewin"
1380 wmav2_encoder_select="mdct sinewin"
1381 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1382 wmv1_decoder_select="h263_decoder"
1383 wmv1_encoder_select="h263_encoder"
1384 wmv2_decoder_select="h263_decoder"
1385 wmv2_encoder_select="h263_encoder"
1386 wmv3_decoder_select="vc1_decoder"
1387 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1388 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1389 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1390 wmv3image_decoder_select="wmv3_decoder"
1391 zlib_decoder_select="zlib"
1392 zlib_encoder_select="zlib"
1393 zmbv_decoder_select="zlib"
1394 zmbv_encoder_select="zlib"
1395
1396 vaapi_deps="va_va_h"
1397 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1398 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1399
1400 # parsers
1401 h264_parser_select="golomb h264chroma h264dsp h264pred"
1402
1403 # external libraries
1404 libdirac_decoder_deps="libdirac !libschroedinger"
1405 libdirac_encoder_deps="libdirac"
1406 libfaac_encoder_deps="libfaac"
1407 libgsm_decoder_deps="libgsm"
1408 libgsm_encoder_deps="libgsm"
1409 libgsm_ms_decoder_deps="libgsm"
1410 libgsm_ms_encoder_deps="libgsm"
1411 libmp3lame_encoder_deps="libmp3lame"
1412 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1413 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1414 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1415 libopenjpeg_decoder_deps="libopenjpeg"
1416 libschroedinger_decoder_deps="libschroedinger"
1417 libschroedinger_encoder_deps="libschroedinger"
1418 libspeex_decoder_deps="libspeex"
1419 libspeex_encoder_deps="libspeex"
1420 libtheora_encoder_deps="libtheora"
1421 libvo_aacenc_encoder_deps="libvo_aacenc"
1422 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1423 libvorbis_encoder_deps="libvorbis"
1424 libvpx_decoder_deps="libvpx"
1425 libvpx_encoder_deps="libvpx"
1426 libx264_encoder_deps="libx264"
1427 libxavs_encoder_deps="libxavs"
1428 libxvid_encoder_deps="libxvid"
1429
1430 # demuxers / muxers
1431 ac3_demuxer_select="ac3_parser"
1432 asf_stream_muxer_select="asf_muxer"
1433 avisynth_demuxer_deps="avisynth"
1434 dirac_demuxer_select="dirac_parser"
1435 eac3_demuxer_select="ac3_parser"
1436 flac_demuxer_select="flac_parser"
1437 ipod_muxer_select="mov_muxer"
1438 libnut_demuxer_deps="libnut"
1439 libnut_muxer_deps="libnut"
1440 matroska_audio_muxer_select="matroska_muxer"
1441 matroska_demuxer_suggest="zlib bzlib"
1442 mov_demuxer_suggest="zlib"
1443 mp3_demuxer_select="mpegaudio_parser"
1444 mp4_muxer_select="mov_muxer"
1445 mpegtsraw_demuxer_select="mpegts_demuxer"
1446 mxf_d10_muxer_select="mxf_muxer"
1447 ogg_demuxer_select="golomb"
1448 psp_muxer_select="mov_muxer"
1449 rtp_demuxer_select="sdp_demuxer"
1450 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1451 rtsp_demuxer_select="http_protocol rtpdec"
1452 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1453 sap_demuxer_select="sdp_demuxer"
1454 sap_muxer_select="rtp_muxer rtp_protocol"
1455 sdp_demuxer_select="rtpdec"
1456 spdif_muxer_select="aac_parser"
1457 tg2_muxer_select="mov_muxer"
1458 tgp_muxer_select="mov_muxer"
1459 w64_demuxer_deps="wav_demuxer"
1460
1461 # indevs / outdevs
1462 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1463 alsa_outdev_deps="alsa_asoundlib_h"
1464 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1465 dv1394_indev_deps="dv1394 dv_demuxer"
1466 fbdev_indev_deps="linux_fb_h"
1467 jack_indev_deps="jack_jack_h"
1468 libcdio_indev_deps="libcdio"
1469 libdc1394_indev_deps="libdc1394"
1470 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1471 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1472 pulse_indev_deps="libpulse"
1473 sndio_indev_deps="sndio_h"
1474 sndio_outdev_deps="sndio_h"
1475 v4l_indev_deps="linux_videodev_h"
1476 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1477 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1478 vfwcap_indev_extralibs="-lavicap32"
1479 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1480 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1481
1482 # protocols
1483 gopher_protocol_deps="network"
1484 httpproxy_protocol_deps="network"
1485 httpproxy_protocol_select="tcp_protocol"
1486 http_protocol_deps="network"
1487 http_protocol_select="tcp_protocol"
1488 https_protocol_select="tls_protocol"
1489 mmsh_protocol_select="http_protocol"
1490 mmst_protocol_deps="network"
1491 rtmp_protocol_select="tcp_protocol"
1492 rtp_protocol_select="udp_protocol"
1493 tcp_protocol_deps="network"
1494 tls_protocol_deps_any="openssl gnutls"
1495 tls_protocol_select="tcp_protocol"
1496 udp_protocol_deps="network"
1497
1498 # filters
1499 blackframe_filter_deps="gpl"
1500 boxblur_filter_deps="gpl"
1501 cropdetect_filter_deps="gpl"
1502 delogo_filter_deps="gpl"
1503 drawtext_filter_deps="libfreetype"
1504 frei0r_filter_deps="frei0r dlopen strtok_r"
1505 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1506 hqdn3d_filter_deps="gpl"
1507 ocv_filter_deps="libopencv"
1508 scale_filter_deps="swscale"
1509 yadif_filter_deps="gpl"
1510
1511 # libraries
1512 avdevice_deps="avcodec avformat"
1513 avformat_deps="avcodec"
1514 postproc_deps="gpl"
1515
1516 # programs
1517 avconv_deps="avcodec avformat swscale"
1518 avconv_select="buffer_filter"
1519 avplay_deps="avcodec avformat swscale sdl"
1520 avplay_select="rdft"
1521 avprobe_deps="avcodec avformat"
1522 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1523 avserver_extralibs='$ldl'
1524 ffmpeg_deps="avcodec avformat swscale"
1525 ffmpeg_select="buffer_filter"
1526
1527 doc_deps="texi2html"
1528
1529 # tests
1530
1531 test_deps(){
1532 suf1=$1
1533 suf2=$2
1534 shift 2
1535 for v; do
1536 dep=${v%=*}
1537 tests=${v#*=}
1538 for name in ${tests}; do
1539 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1540 done
1541 done
1542 }
1543
1544 mxf_d10_test_deps="avfilter"
1545 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1546
1547 test_deps _encoder _decoder \
1548 adpcm_ima_qt \
1549 adpcm_ima_wav \
1550 adpcm_ms \
1551 adpcm_swf \
1552 adpcm_yamaha=adpcm_yam \
1553 alac \
1554 asv1 \
1555 asv2 \
1556 bmp \
1557 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1558 dvvideo="dv dv_411 dv50" \
1559 ffv1 \
1560 flac \
1561 flashsv \
1562 flv \
1563 adpcm_g726=g726 \
1564 gif \
1565 h261 \
1566 h263="h263 h263p" \
1567 huffyuv \
1568 jpegls \
1569 mjpeg="jpg mjpeg ljpeg" \
1570 mp2 \
1571 mpeg1video="mpeg mpeg1b" \
1572 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1573 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1574 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1575 mpeg4="mpeg4thread error rc" \
1576 msmpeg4v3=msmpeg4 \
1577 msmpeg4v2 \
1578 pbm=pbmpipe \
1579 pcx \
1580 pgm="pgm pgmpipe" \
1581 png \
1582 ppm="ppm ppmpipe" \
1583 rawvideo="rgb yuv" \
1584 roq \
1585 rv10 \
1586 rv20 \
1587 sgi \
1588 snow="snow snowll" \
1589 svq1 \
1590 targa=tga \
1591 tiff \
1592 wmav1 \
1593 wmav2 \
1594 wmv1 \
1595 wmv2 \
1596
1597 test_deps _muxer _demuxer \
1598 aiff \
1599 pcm_alaw=alaw \
1600 asf \
1601 au \
1602 avi \
1603 dv=dv_fmt \
1604 ffm \
1605 flv=flv_fmt \
1606 gxf \
1607 matroska=mkv \
1608 mmf \
1609 mov \
1610 pcm_mulaw=mulaw \
1611 mxf="mxf mxf_d10" \
1612 nut \
1613 ogg \
1614 rawvideo=pixfmt \
1615 rm \
1616 swf \
1617 mpegts=ts \
1618 voc \
1619 wav \
1620 yuv4mpegpipe=yuv4mpeg \
1621
1622 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1623 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1624
1625 # default parameters
1626
1627 logfile="config.log"
1628
1629 # installation paths
1630 prefix_default="/usr/local"
1631 bindir_default='${prefix}/bin'
1632 datadir_default='${prefix}/share/avconv'
1633 incdir_default='${prefix}/include'
1634 libdir_default='${prefix}/lib'
1635 mandir_default='${prefix}/share/man'
1636 shlibdir_default="$libdir_default"
1637
1638 # toolchain
1639 ar_default="ar"
1640 cc_default="gcc"
1641 cc_version=\"unknown\"
1642 host_cc_default="gcc"
1643 ln_s="ln -sf"
1644 nm_default="nm"
1645 objformat="elf"
1646 pkg_config_default=pkg-config
1647 ranlib="ranlib"
1648 yasmexe="yasm"
1649
1650 nm_opts='-g'
1651 nogas=":"
1652
1653 # machine
1654 arch_default=$(uname -m)
1655 cpu="generic"
1656
1657 # OS
1658 target_os_default=$(tolower $(uname -s))
1659 host_os=$target_os_default
1660
1661 # configurable options
1662 enable avcodec
1663 enable avdevice
1664 enable avfilter
1665 enable avformat
1666 enable avutil
1667 enable postproc
1668 enable swscale
1669
1670 enable avconv
1671 enable avplay
1672 enable avprobe
1673 enable avserver
1674 enable ffmpeg
1675
1676 enable asm
1677 enable debug
1678 enable doc
1679 enable fastdiv
1680 enable network
1681 enable optimizations
1682 enable static
1683 enable swscale_alpha
1684
1685 # build settings
1686 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1687 AVSERVERLDFLAGS=-Wl,-E
1688 LIBPREF="lib"
1689 LIBSUF=".a"
1690 FULLNAME='$(NAME)$(BUILDSUF)'
1691 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1692 SLIBPREF="lib"
1693 SLIBSUF=".so"
1694 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1695 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1696 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1697 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1698 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1699 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1700
1701 AS_O='-o $@'
1702 CC_O='-o $@'
1703
1704 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1705 host_libs='-lm'
1706
1707 target_path='$(CURDIR)'
1708
1709 # since the object filename is not given with the -MM flag, the compiler
1710 # is only able to print the basename, and we must add the path ourselves
1711 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1712 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1713
1714 # find source path
1715 if test -f configure; then
1716 source_path=.
1717 else
1718 source_path=$(cd $(dirname "$0"); pwd)
1719 echo "$source_path" | grep -q '[[:blank:]]' &&
1720 die "Out of tree builds are impossible with whitespace in source path."
1721 test -e "$source_path/config.h" &&
1722 die "Out of tree builds are impossible with config.h in source dir."
1723 fi
1724
1725 for v in "$@"; do
1726 r=${v#*=}
1727 l=${v%"$r"}
1728 r=$(sh_quote "$r")
1729 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1730 done
1731
1732 find_things(){
1733 thing=$1
1734 pattern=$2
1735 file=$source_path/$3
1736 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1737 }
1738
1739 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1740 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1741 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1742 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1743 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1744 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1745 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1746 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1747 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1748 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1749 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1750
1751 find_tests(){
1752 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1753 }
1754
1755 ACODEC_TESTS=$(find_tests acodec)
1756 VCODEC_TESTS=$(find_tests vsynth1)
1757 LAVF_TESTS=$(find_tests lavf)
1758 LAVFI_TESTS=$(find_tests lavfi)
1759 SEEK_TESTS=$(find_tests seek seek_)
1760
1761 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1762
1763 for n in $COMPONENT_LIST; do
1764 v=$(toupper ${n%s})_LIST
1765 eval enable \$$v
1766 eval ${n}_if_any="\$$v"
1767 done
1768
1769 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1770
1771 die_unknown(){
1772 echo "Unknown option \"$1\"."
1773 echo "See $0 --help for available options."
1774 exit 1
1775 }
1776
1777 show_list() {
1778 suffix=_$1
1779 shift
1780 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1781 exit 0
1782 }
1783
1784 for opt do
1785 optval="${opt#*=}"
1786 case "$opt" in
1787 --extra-ldflags=*) add_ldflags $optval
1788 ;;
1789 --extra-libs=*) add_extralibs $optval
1790 ;;
1791 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1792 ;;
1793 --enable-debug=*) debuglevel="$optval"
1794 ;;
1795 --disable-everything)
1796 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1797 ;;
1798 --enable-*=*|--disable-*=*)
1799 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1800 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1801 eval list=\$$(toupper $thing)_LIST
1802 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1803 $action $(filter "$name" $list)
1804 ;;
1805 --enable-?*|--disable-?*)
1806 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1807 if is_in $option $COMPONENT_LIST; then
1808 test $action = disable && action=unset
1809 eval $action \$$(toupper ${option%s})_LIST
1810 elif is_in $option $CMDLINE_SELECT; then
1811 $action $option
1812 else
1813 die_unknown $opt
1814 fi
1815 ;;
1816 --list-*)
1817 NAME="${opt#--list-}"
1818 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1819 NAME=${NAME%s}
1820 eval show_list $NAME \$$(toupper $NAME)_LIST
1821 ;;
1822 --help|-h) show_help
1823 ;;
1824 *)
1825 optname="${opt%%=*}"
1826 optname="${optname#--}"
1827 optname=$(echo "$optname" | sed 's/-/_/g')
1828 if is_in $optname $CMDLINE_SET; then
1829 eval $optname='$optval'
1830 elif is_in $optname $CMDLINE_APPEND; then
1831 append $optname "$optval"
1832 else
1833 die_unknown $opt
1834 fi
1835 ;;
1836 esac
1837 done
1838
1839 disabled logging && logfile=/dev/null
1840
1841 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1842 set >> $logfile
1843
1844 test -n "$cross_prefix" && enable cross_compile
1845
1846 if enabled cross_compile; then
1847 test -n "$arch" && test -n "$target_os" ||
1848 die "Must specify target arch and OS when cross-compiling"
1849 fi
1850
1851 set_default arch target_os
1852
1853 ar_default="${cross_prefix}${ar_default}"
1854 cc_default="${cross_prefix}${cc_default}"
1855 nm_default="${cross_prefix}${nm_default}"
1856 pkg_config_default="${cross_prefix}${pkg_config_default}"
1857 ranlib="${cross_prefix}${ranlib}"
1858
1859 sysinclude_default="${sysroot}/usr/include"
1860
1861 set_default cc nm pkg_config sysinclude
1862 enabled cross_compile || host_cc_default=$cc
1863 set_default host_cc
1864
1865 if ! $pkg_config --version >/dev/null 2>&1; then
1866 warn "$pkg_config not found, library detection may fail."
1867 pkg_config=false
1868 fi
1869
1870 exesuf() {
1871 case $1 in
1872 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1873 esac
1874 }
1875
1876 EXESUF=$(exesuf $target_os)
1877 HOSTEXESUF=$(exesuf $host_os)
1878
1879 # set temporary file name
1880 : ${TMPDIR:=$TEMPDIR}
1881 : ${TMPDIR:=$TMP}
1882 : ${TMPDIR:=/tmp}
1883
1884 if ! check_cmd mktemp -u XXXXXX; then
1885 # simple replacement for missing mktemp
1886 # NOT SAFE FOR GENERAL USE
1887 mktemp(){
1888 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1889 }
1890 fi
1891
1892 tmpfile(){
1893 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1894 (set -C; exec > $tmp) 2>/dev/null ||
1895 die "Unable to create temporary file in $TMPDIR."
1896 append TMPFILES $tmp
1897 eval $1=$tmp
1898 }
1899
1900 trap 'rm -f -- $TMPFILES' EXIT
1901
1902 tmpfile TMPASM .asm
1903 tmpfile TMPC .c
1904 tmpfile TMPE $EXESUF
1905 tmpfile TMPH .h
1906 tmpfile TMPO .o
1907 tmpfile TMPS .S
1908 tmpfile TMPSH .sh
1909 tmpfile TMPV .ver
1910
1911 unset -f mktemp
1912
1913 chmod +x $TMPE
1914
1915 # make sure we can execute files in $TMPDIR
1916 cat > $TMPSH 2>> $logfile <<EOF
1917 #! /bin/sh
1918 EOF
1919 chmod +x $TMPSH >> $logfile 2>&1
1920 if ! $TMPSH >> $logfile 2>&1; then
1921 cat <<EOF
1922 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1923 variable to another directory and make sure that it is not mounted noexec.
1924 EOF
1925 die "Sanity test failed."
1926 fi
1927
1928 filter_asflags=echo
1929 filter_cflags=echo
1930 filter_cppflags=echo
1931
1932 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1933 cc_type=llvm_gcc
1934 cc_version=__VERSION__
1935 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1936 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1937 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1938 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1939 speed_cflags='-O3'
1940 size_cflags='-Os'
1941 elif $cc -v 2>&1 | grep -qi ^gcc; then
1942 cc_type=gcc
1943 cc_version=__VERSION__
1944 gcc_version=$($cc --version | head -n1)
1945 gcc_basever=$($cc -dumpversion)
1946 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1947 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1948 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1949 if ! $cc -dumpversion | grep -q '^2\.'; then
1950 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1951 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1952 fi
1953 speed_cflags='-O3'
1954 size_cflags='-Os'
1955 elif $cc --version 2>/dev/null | grep -q Intel; then
1956 cc_type=icc
1957 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1958 cc_ident=$($cc --version | head -n1)
1959 icc_version=$($cc -dumpversion)
1960 CC_DEPFLAGS='-MMD'
1961 AS_DEPFLAGS='-MMD'
1962 speed_cflags='-O3'
1963 size_cflags='-Os'
1964 noopt_cflags='-O1'
1965 elif $cc -v 2>&1 | grep -q xlc; then
1966 cc_type=xlc
1967 cc_version="AV_STRINGIFY(__IBMC__)"
1968 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1969 speed_cflags='-O5'
1970 size_cflags='-O5 -qcompact'
1971 elif $cc -V 2>/dev/null | grep -q Compaq; then
1972 cc_type=ccc
1973 cc_version="AV_STRINGIFY(__DECC_VER)"
1974 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1975 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1976 debuglevel=3
1977 add_ldflags -Wl,-z,now # calls to libots crash without this
1978 speed_cflags='-fast'
1979 size_cflags='-O1'
1980 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1981 test -d "$sysroot" || die "No valid sysroot specified."
1982 cc_type=armcc
1983 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1984 cc_ident=$($cc --vsn | head -n1)
1985 armcc_conf="$PWD/armcc.conf"
1986 $cc --arm_linux_configure \
1987 --arm_linux_config_file="$armcc_conf" \
1988 --configure_sysroot="$sysroot" \
1989 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1990 die "Error creating armcc configuration file."
1991 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1992 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1993 as_default="${cross_prefix}gcc"
1994 CC_DEPFLAGS='-MMD'
1995 AS_DEPFLAGS='-MMD'
1996 speed_cflags='-O3'
1997 size_cflags='-Os'
1998 filter_asflags="filter_out -W${armcc_opt}*"
1999 elif $cc -version 2>/dev/null | grep -q TMS470; then
2000 cc_type=tms470
2001 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2002 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2003 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2004 CC_O='-fr=$(@D)'
2005 as_default="${cross_prefix}gcc"
2006 ld_default="${cross_prefix}gcc"
2007 TMPO=$(basename $TMPC .c).o
2008 append TMPFILES $TMPO
2009 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2010 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2011 AS_DEPFLAGS='-MMD'
2012 speed_cflags='-O3 -mf=5'
2013 size_cflags='-O3 -mf=2'
2014 filter_cflags=tms470_flags
2015 tms470_flags(){
2016 for flag; do
2017 case $flag in
2018 -march=*|-mcpu=*)
2019 case "${flag#*=}" in
2020 armv7-a|cortex-a*) echo -mv=7a8 ;;
2021 armv7-r|cortex-r*) echo -mv=7r4 ;;
2022 armv7-m|cortex-m*) echo -mv=7m3 ;;
2023 armv6*|arm11*) echo -mv=6 ;;
2024 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2025 echo -mv=5e ;;
2026 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2027 esac
2028 ;;
2029 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2030 -mfpu=vfp) echo --float_support=vfpv2 ;;
2031 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2032 -msoft-float) echo --float_support=vfplib ;;
2033 -O[0-3]|-mf=*) echo $flag ;;
2034 -g) echo -g -mn ;;
2035 -pds=*) echo $flag ;;
2036 esac
2037 done
2038 }
2039 elif $cc -v 2>&1 | grep -q clang; then
2040 cc_type=clang
2041 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2042 cc_version=__clang_version__ || cc_version=__VERSION__
2043 cc_ident=$($cc --version | head -n1)
2044 CC_DEPFLAGS='-MMD'
2045 AS_DEPFLAGS='-MMD'
2046 speed_cflags='-O3'
2047 size_cflags='-Os'
2048 elif $cc -V 2>&1 | grep -q Sun; then
2049 cc_type=suncc
2050 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2051 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2052 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2053 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2054 add_ldflags -xc99
2055 speed_cflags='-O5'
2056 size_cflags='-O5 -xspace'
2057 filter_cflags=suncc_flags
2058 suncc_flags(){
2059 for flag; do
2060 case $flag in
2061 -march=*|-mcpu=*)
2062 case "${flag#*=}" in
2063 native) echo -xtarget=native ;;
2064 v9|niagara) echo -xarch=sparc ;;
2065 ultrasparc) echo -xarch=sparcvis ;;
2066 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2067 i586|pentium) echo -xchip=pentium ;;
2068 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2069 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2070 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2071 pentium4*) echo -xtarget=pentium4 ;;
2072 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2073 *-sse3) echo -xarch=sse3 ;;
2074 core2) echo -xarch=ssse3 -xchip=core2 ;;
2075 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2076 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2077 k8|opteron|athlon64|athlon-fx)
2078 echo -xarch=sse2a ;;
2079 athlon*) echo -xarch=pentium_proa ;;
2080 esac
2081 ;;
2082 -std=c99) echo -xc99 ;;
2083 -fomit-frame-pointer) echo -xregs=frameptr ;;
2084 -fPIC) echo -KPIC -xcode=pic32 ;;
2085 -W*,*) echo $flag ;;
2086 -f*-*|-W*) ;;
2087 *) echo $flag ;;
2088 esac
2089 done
2090 }
2091 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2092 cc_type=pathscale
2093 cc_version=__PATHSCALE__
2094 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2095 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2096 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2097 speed_cflags='-O2'
2098 size_cflags='-Os'
2099 filter_cflags='filter_out -Wdisabled-optimization'
2100 elif $cc -v 2>&1 | grep -q Open64; then
2101 cc_type=open64
2102 cc_version=__OPEN64__
2103 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2104 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2105 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2106 speed_cflags='-O2'
2107 size_cflags='-Os'
2108 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2109 fi
2110
2111 test -n "$cc_type" && enable $cc_type ||
2112 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2113
2114 : ${as_default:=$cc}
2115 : ${dep_cc_default:=$cc}
2116 : ${ld_default:=$cc}
2117 set_default ar as dep_cc ld
2118
2119 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2120 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2121
2122 add_cflags $extra_cflags
2123 add_asflags $extra_cflags
2124
2125 if test -n "$sysroot"; then
2126 case "$cc_type" in
2127 gcc|llvm_gcc|clang)
2128 add_cppflags --sysroot="$sysroot"
2129 add_ldflags --sysroot="$sysroot"
2130 ;;
2131 tms470)
2132 add_cppflags -I"$sysinclude"
2133 add_ldflags --sysroot="$sysroot"
2134 ;;
2135 esac
2136 fi
2137
2138 if test "$cpu" = host; then
2139 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2140
2141 case "$cc_type" in
2142 gcc|llvm_gcc)
2143 check_native(){
2144 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2145 sed -n "/cc1.*$1=/{
2146 s/.*$1=\\([^ ]*\\).*/\\1/
2147 p
2148 q
2149 }" $TMPE
2150 }
2151 cpu=$(check_native -march || check_native -mcpu)
2152 ;;
2153 esac
2154
2155 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2156 fi
2157
2158 # Deal with common $arch aliases
2159 case "$arch" in
2160 arm*)
2161 arch="arm"
2162 ;;
2163 mips|mipsel|IP*)
2164 arch="mips"
2165 ;;
2166 mips64*)
2167 arch="mips"
2168 subarch="mips64"
2169 ;;
2170 parisc|hppa)
2171 arch="parisc"
2172 ;;
2173 parisc64|hppa64)
2174 arch="parisc"
2175 subarch="parisc64"
2176 ;;
2177 "Power Macintosh"|ppc|powerpc)
2178 arch="ppc"
2179 ;;
2180 ppc64|powerpc64)
2181 arch="ppc"
2182 subarch="ppc64"
2183 ;;
2184 s390|s390x)
2185 arch="s390"
2186 ;;
2187 sh4|sh)
2188 arch="sh4"
2189 ;;
2190 sun4u|sparc64)
2191 arch="sparc"
2192 subarch="sparc64"
2193 ;;
2194 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2195 arch="x86"
2196 ;;
2197 esac
2198
2199 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2200 enable $arch
2201
2202 # Add processor-specific flags
2203 if test "$cpu" = generic; then
2204 : do nothing
2205 elif enabled ppc; then
2206
2207 case $(tolower $cpu) in
2208 601|ppc601|powerpc601)
2209 cpuflags="-mcpu=601"
2210 disable altivec
2211 ;;
2212 603*|ppc603*|powerpc603*)
2213 cpuflags="-mcpu=603"
2214 disable altivec
2215 ;;
2216 604*|ppc604*|powerpc604*)
2217 cpuflags="-mcpu=604"
2218 disable altivec
2219 ;;
2220 g3|75*|ppc75*|powerpc75*)
2221 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2222 disable altivec
2223 ;;
2224 g4|745*|ppc745*|powerpc745*)
2225 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2226 ;;
2227 74*|ppc74*|powerpc74*)
2228 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2229 ;;
2230 g5|970|ppc970|powerpc970|power4*)
2231 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2232 ;;
2233 cell)
2234 cpuflags="-mcpu=cell"
2235 enable ldbrx
2236 ;;
2237 e500v2)
2238 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2239 disable altivec
2240 ;;
2241 e500)
2242 cpuflags="-mcpu=8540 -mhard-float"
2243 disable altivec
2244 ;;
2245 esac
2246
2247 elif enabled x86; then
2248
2249 case $cpu in
2250 i[345]86|pentium)
2251 cpuflags="-march=$cpu"
2252 disable mmx
2253 ;;
2254 # targets that do NOT support conditional mov (cmov)
2255 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2256 cpuflags="-march=$cpu"
2257 disable cmov
2258 ;;
2259 # targets that do support conditional mov (cmov)
2260 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2261 cpuflags="-march=$cpu"
2262 enable cmov
2263 enable fast_cmov
2264 ;;
2265 # targets that do support conditional mov but on which it's slow
2266 pentium4|pentium4m|prescott|nocona)
2267 cpuflags="-march=$cpu"
2268 enable cmov
2269 disable fast_cmov
2270 ;;
2271 esac
2272
2273 elif enabled sparc; then
2274
2275 case $cpu in
2276 niagara)
2277 cpuflags="-mcpu=$cpu"
2278 disable vis
2279 ;;
2280 sparc64)
2281 cpuflags="-mcpu=v9"
2282 ;;
2283 esac
2284
2285 elif enabled arm; then
2286
2287 case $cpu in
2288 armv*)
2289 cpuflags="-march=$cpu"
2290 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2291 ;;
2292 *)
2293 cpuflags="-mcpu=$cpu"
2294 case $cpu in
2295 cortex-a*) subarch=armv7a ;;
2296 cortex-r*) subarch=armv7r ;;
2297 cortex-m*) enable thumb; subarch=armv7m ;;
2298 arm11*) subarch=armv6 ;;
2299 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2300 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2301 esac
2302 ;;
2303 esac
2304
2305 elif enabled alpha; then
2306
2307 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2308
2309 elif enabled bfin; then
2310
2311 cpuflags="-mcpu=$cpu"
2312
2313 elif enabled mips; then
2314
2315 cpuflags="-march=$cpu"
2316
2317 elif enabled avr32; then
2318
2319 case $cpu in
2320 ap7[02]0[0-2])
2321 subarch="avr32_ap"
2322 cpuflags="-mpart=$cpu"
2323 ;;
2324 ap)
2325 subarch="avr32_ap"
2326 cpuflags="-march=$cpu"
2327 ;;
2328 uc3[ab]*)
2329 subarch="avr32_uc"
2330 cpuflags="-mcpu=$cpu"
2331 ;;
2332 uc)
2333 subarch="avr32_uc"
2334 cpuflags="-march=$cpu"
2335 ;;
2336 esac
2337
2338 fi
2339
2340 add_cflags $cpuflags
2341 add_asflags $cpuflags
2342
2343 # compiler sanity check
2344 check_exec <<EOF
2345 int main(void){ return 0; }
2346 EOF
2347 if test "$?" != 0; then
2348 echo "$cc is unable to create an executable file."
2349 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2350 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2351 echo "Only do this if you know what cross compiling means."
2352 fi
2353 die "C compiler test failed."
2354 fi
2355
2356 add_cppflags -D_ISOC99_SOURCE
2357 check_cflags -std=c99
2358 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2359 #include <stdlib.h>
2360 EOF
2361 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2362 #include <stdlib.h>
2363 EOF
2364
2365 check_host_cflags -std=c99
2366 check_host_cflags -Wall
2367
2368 case "$arch" in
2369 alpha|ia64|mips|parisc|sparc)
2370 spic=$shared
2371 ;;
2372 x86)
2373 subarch="x86_32"
2374 check_cc <<EOF && subarch="x86_64"
2375 int test[(int)sizeof(char*) - 7];
2376 EOF
2377 if test "$subarch" = "x86_64"; then
2378 spic=$shared
2379 fi
2380 ;;
2381 esac
2382
2383 enable $subarch
2384 enabled spic && enable pic
2385
2386 # OS specific
2387 case $target_os in
2388 haiku)
2389 prefix_default="/boot/common"
2390 network_extralibs="-lnetwork"
2391 host_libs=
2392 ;;
2393 sunos)
2394 AVSERVERLDFLAGS=""
2395 SHFLAGS='-shared -Wl,-h,$$(@F)'
2396 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2397 network_extralibs="-lsocket -lnsl"
2398 add_cppflags -D__EXTENSIONS__
2399 # When using suncc to build, the Solaris linker will mark
2400 # an executable with each instruction set encountered by
2401 # the Solaris assembler. As our libraries contain their own
2402 # guards for processor-specific code, instead suppress
2403 # generation of the HWCAPS ELF section on Solaris x86 only.
2404 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2405 nm_opts='-P -g'
2406 ;;
2407 netbsd)
2408 disable symver
2409 oss_indev_extralibs="-lossaudio"
2410 oss_outdev_extralibs="-lossaudio"
2411 ;;
2412 openbsd)
2413 enable malloc_aligned
2414 # On OpenBSD 4.5. the compiler does not use PIC unless
2415 # explicitly using -fPIC. Libav builds fine without PIC,
2416 # however the generated executable will not do anything
2417 # (simply quits with exit-code 1, no crash, no output).
2418 # Thus explicitly enable PIC here.
2419 enable pic
2420 disable symver
2421 SHFLAGS='-shared'
2422 oss_indev_extralibs="-lossaudio"
2423 oss_outdev_extralibs="-lossaudio"
2424 ;;
2425 dragonfly)
2426 enable malloc_aligned
2427 disable symver
2428 ;;
2429 freebsd)
2430 enable malloc_aligned
2431 ;;
2432 bsd/os)
2433 add_extralibs -lpoll -lgnugetopt
2434 ;;
2435 darwin)
2436 enable malloc_aligned
2437 gas="gas-preprocessor.pl $cc"
2438 enabled ppc && add_asflags -force_cpusubtype_ALL
2439 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2440 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2441 add_ldflags -Wl,-dynamic,-search_paths_first
2442 SLIBSUF=".dylib"
2443 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2444 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2445 AVSERVERLDFLAGS=-Wl,-bind_at_load
2446 objformat="macho"
2447 enabled x86_64 && objformat="macho64"
2448 enabled_any pic shared ||
2449 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2450 ;;
2451 mingw32*)
2452 if test $target_os = "mingw32ce"; then
2453 disable network
2454 else
2455 target_os=mingw32
2456 fi
2457 LIBTARGET=i386
2458 if enabled x86_64; then
2459 enable malloc_aligned
2460 LIBTARGET="i386:x86-64"
2461 elif enabled arm; then
2462 LIBTARGET=arm-wince
2463 fi
2464 shlibdir_default="$bindir_default"
2465 SLIBPREF=""
2466 SLIBSUF=".dll"
2467 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2468 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2469 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2470 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2471 SLIB_INSTALL_LINKS=
2472 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2473 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2474 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'
2475 objformat="win32"
2476 dlltool="${cross_prefix}dlltool"
2477 enable dos_paths
2478 check_cflags -fno-common
2479 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2480 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2481 die "ERROR: MinGW runtime version must be >= 3.15."
2482 add_cppflags -U__STRICT_ANSI__
2483 ;;
2484 cygwin*)
2485 target_os=cygwin
2486 shlibdir_default="$bindir_default"
2487 SLIBPREF="cyg"
2488 SLIBSUF=".dll"
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2491 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2492 objformat="win32"
2493 enable dos_paths
2494 check_cflags -fno-common
2495 add_cppflags -U__STRICT_ANSI__
2496 ;;
2497 *-dos|freedos|opendos)
2498 network_extralibs="-lsocket"
2499 objformat="coff"
2500 enable dos_paths
2501 add_cppflags -U__STRICT_ANSI__
2502 ;;
2503 linux)
2504 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2505 enable dv1394
2506 ;;
2507 irix*)
2508 target_os=irix
2509 ranlib="echo ignoring ranlib"
2510 ;;
2511 os/2*)
2512 ln_s="cp -f"
2513 objformat="aout"
2514 add_cppflags -D_GNU_SOURCE
2515 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2516 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2517 AVSERVERLDFLAGS=""
2518 LIBSUF="_s.a"
2519 SLIBPREF=""
2520 SLIBSUF=".dll"
2521 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2522 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2523 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2524 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2525 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2526 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2527 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2528 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2529 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2530 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2531 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2532 enable dos_paths
2533 ;;
2534 gnu/kfreebsd)
2535 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2536 ;;
2537 gnu)
2538 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2539 ;;
2540 qnx)
2541 add_cppflags -D_QNX_SOURCE
2542 network_extralibs="-lsocket"
2543 ;;
2544 symbian)
2545 SLIBSUF=".dll"
2546 enable dos_paths
2547 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2548 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2549 add_ldflags -Wl,--target1-abs,--no-undefined \
2550 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2551 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2552 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2553 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2554 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2555 ;;
2556 none)
2557 ;;
2558 *)
2559 die "Unknown OS '$target_os'."
2560 ;;
2561 esac
2562
2563 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2564
2565 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2566
2567 set_default $PATHS_LIST
2568
2569 # we need to build at least one lib type
2570 if ! enabled_any static shared; then
2571 cat <<EOF
2572 At least one library type must be built.
2573 Specify --enable-static to build the static libraries or --enable-shared to
2574 build the shared libraries as well. To only build the shared libraries specify
2575 --disable-static in addition to --enable-shared.
2576 EOF
2577 exit 1;
2578 fi
2579
2580 die_license_disabled() {
2581 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2582 }
2583
2584 die_license_disabled gpl libcdio
2585 die_license_disabled gpl libx264
2586 die_license_disabled gpl libxavs
2587 die_license_disabled gpl libxvid
2588 die_license_disabled gpl x11grab
2589
2590 die_license_disabled nonfree libfaac
2591 die_license_disabled nonfree openssl
2592
2593 die_license_disabled version3 libopencore_amrnb
2594 die_license_disabled version3 libopencore_amrwb
2595 die_license_disabled version3 libvo_aacenc
2596 die_license_disabled version3 libvo_amrwbenc
2597
2598 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2599
2600 disabled optimizations || check_cflags -fomit-frame-pointer
2601
2602 enable_pic() {
2603 enable pic
2604 add_cppflags -DPIC
2605 add_cflags -fPIC
2606 add_asflags -fPIC
2607 }
2608
2609 enabled pic && enable_pic
2610
2611 check_cc <<EOF || die "Symbol mangling check failed."
2612 int ff_extern;
2613 EOF
2614 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2615 extern_prefix=${sym%%ff_extern*}
2616
2617 check_cc <<EOF && enable inline_asm
2618 void foo(void) { __asm__ volatile ("" ::); }
2619 EOF
2620
2621 _restrict=
2622 for restrict_keyword in restrict __restrict__ __restrict; do
2623 check_cc <<EOF && _restrict=$restrict_keyword && break
2624 void foo(char * $restrict_keyword p);
2625 EOF
2626 done
2627
2628 check_cc <<EOF && enable attribute_packed
2629 struct { int x; } __attribute__((packed)) x;
2630 EOF
2631
2632 check_cc <<EOF && enable attribute_may_alias
2633 union { int x; } __attribute__((may_alias)) x;
2634 EOF
2635
2636 check_cc <<EOF || die "endian test failed"
2637 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2638 EOF
2639 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2640
2641 if enabled alpha; then
2642
2643 check_cflags -mieee
2644
2645 elif enabled arm; then
2646
2647 enabled thumb && check_cflags -mthumb || check_cflags -marm
2648 nogas=die
2649
2650 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2651 enable vfp_args
2652 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2653 case "${cross_prefix:-$cc}" in
2654 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2655 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2656 __asm__ (".eabi_attribute 28, 1");
2657 int main(void) { return 0; }
2658 EOF
2659 esac
2660 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2661 fi
2662
2663 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2664 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2665 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2666 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2667 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2668 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2669 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2670
2671 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2672
2673 enabled_all armv6t2 shared !pic && enable_pic
2674
2675 elif enabled mips; then
2676
2677 check_asm loongson '"dmult.g $1, $2, $3"'
2678 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2679
2680 elif enabled ppc; then
2681
2682 enable local_aligned_8 local_aligned_16
2683
2684 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2685 check_asm ibm_asm '"add 0, 0, 0"'
2686 check_asm ppc4xx '"maclhw r10, r11, r12"'
2687 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2688
2689 # AltiVec flags: The FSF version of GCC differs from the Apple version
2690 if enabled altivec; then
2691 nogas=warn
2692 check_cflags -maltivec -mabi=altivec &&
2693 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2694 check_cflags -faltivec
2695
2696 # check if our compiler supports Motorola AltiVec C API
2697 check_cc <<EOF || disable altivec
2698 $inc_altivec_h
2699 int main(void) {
2700 vector signed int v1, v2, v3;
2701 v1 = vec_add(v2,v3);
2702 return 0;
2703 }
2704 EOF
2705
2706 # check if our compiler supports braces for vector declarations
2707 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2708 $inc_altivec_h
2709 int main (void) { (vector int) {1}; return 0; }
2710 EOF
2711 fi
2712
2713 elif enabled sparc; then
2714
2715 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2716 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2717
2718 elif enabled x86; then
2719
2720 enable local_aligned_8 local_aligned_16
2721
2722 # check whether EBP is available on x86
2723 # As 'i' is stored on the stack, this program will crash
2724 # if the base pointer is used to access it because the
2725 # base pointer is cleared in the inline assembly code.
2726 check_exec_crash <<EOF && enable ebp_available
2727 volatile int i=0;
2728 __asm__ volatile (
2729 "xorl %%ebp, %%ebp"
2730 ::: "%ebp");
2731 return i;
2732 EOF
2733
2734 # check whether EBX is available on x86
2735 check_asm ebx_available '""::"b"(0)' &&
2736 check_asm ebx_available '"":::"%ebx"'
2737
2738 # check whether xmm clobbers are supported
2739 check_asm xmm_clobbers '"":::"%xmm0"'
2740
2741 # check whether binutils is new enough to compile SSSE3/MMX2
2742 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2743 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2744
2745 if ! disabled_any asm mmx yasm; then
2746 if check_cmd $yasmexe --version; then
2747 enabled x86_64 && yasm_extra="-m amd64"
2748 yasm_debug="-g dwarf2"
2749 elif check_cmd nasm -v; then
2750 yasmexe=nasm
2751 yasm_debug="-g -F dwarf"
2752 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2753 fi
2754
2755 YASMFLAGS="-f $objformat $yasm_extra"
2756 enabled pic && append YASMFLAGS "-DPIC"
2757 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2758 case "$objformat" in
2759 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2760 esac
2761
2762 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2763 die "yasm not found, use --disable-yasm for a crippled build"
2764 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2765 fi
2766
2767 case "$cpu" in
2768 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2769 disable fast_clz
2770 ;;
2771 esac
2772
2773 fi
2774
2775 if enabled asm; then
2776 as=${gas:=$as}
2777 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2778 $nogas "GNU assembler not found, install gas-preprocessor"
2779 fi
2780
2781 check_ldflags -Wl,--as-needed
2782
2783 if check_func dlopen; then
2784 ldl=
2785 elif check_func dlopen -ldl; then
2786 ldl=-ldl
2787 fi
2788
2789 if enabled network; then
2790 check_type "sys/types.h sys/socket.h" socklen_t
2791 check_type netdb.h "struct addrinfo"
2792 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2793 check_type netinet/in.h "struct sockaddr_in6"
2794 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2795 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2796 # Prefer arpa/inet.h over winsock2
2797 if check_header arpa/inet.h ; then
2798 check_func closesocket
2799 elif check_header winsock2.h ; then
2800 check_func_headers winsock2.h closesocket -lws2 && \
2801 network_extralibs="-lws2" || \
2802 { check_func_headers winsock2.h closesocket -lws2_32 && \
2803 network_extralibs="-lws2_32"; }
2804 check_type ws2tcpip.h socklen_t
2805 check_type ws2tcpip.h "struct addrinfo"
2806 check_type ws2tcpip.h "struct ipv6_mreq"
2807 check_type ws2tcpip.h "struct sockaddr_in6"
2808 check_type ws2tcpip.h "struct sockaddr_storage"
2809 check_struct winsock2.h "struct sockaddr" sa_len
2810 else
2811 disable network
2812 fi
2813 fi
2814
2815 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2816 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2817
2818 check_func fcntl
2819 check_func fork
2820 check_func getaddrinfo $network_extralibs
2821 check_func gethrtime
2822 check_func getrusage
2823 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2824 check_func inet_aton $network_extralibs
2825 check_func isatty
2826 check_func localtime_r
2827 check_func ${malloc_prefix}memalign && enable memalign
2828 check_func mkstemp
2829 check_func mmap
2830 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2831 check_func setrlimit
2832 check_func strerror_r
2833 check_func strptime
2834 check_func strtok_r
2835 check_func_headers io.h setmode
2836 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2837 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2838 check_func_headers windows.h GetProcessTimes
2839 check_func_headers windows.h MapViewOfFile
2840 check_func_headers windows.h VirtualAlloc
2841
2842 check_header dlfcn.h
2843 check_header dxva2api.h
2844 check_header malloc.h
2845 check_header poll.h
2846 check_header sys/mman.h
2847 check_header sys/resource.h
2848 check_header sys/select.h
2849 check_header vdpau/vdpau.h
2850 check_header vdpau/vdpau_x11.h
2851 check_header X11/extensions/XvMClib.h
2852
2853 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2854
2855 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2856 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2857
2858 if ! disabled w32threads && ! enabled pthreads; then
2859 check_func _beginthreadex && enable w32threads
2860 fi
2861
2862 # check for some common methods of building with pthread support
2863 # do this before the optional library checks as some of them require pthreads
2864 if ! disabled pthreads && ! enabled w32threads; then
2865 enable pthreads
2866 if check_func pthread_create; then
2867 :
2868 elif check_func pthread_create -pthread; then
2869 add_cflags -pthread
2870 add_extralibs -pthread
2871 elif check_func pthread_create -pthreads; then
2872 add_cflags -pthreads
2873 add_extralibs -pthreads
2874 elif check_func pthread_create -lpthreadGC2; then
2875 add_extralibs -lpthreadGC2
2876 elif ! check_lib pthread.h pthread_create -lpthread; then
2877 disable pthreads
2878 fi
2879 fi
2880
2881 for thread in $THREADS_LIST; do
2882 if enabled $thread; then
2883 test -n "$thread_type" &&
2884 die "ERROR: Only one thread type must be selected." ||
2885 thread_type="$thread"
2886 fi
2887 done
2888
2889 check_lib math.h sin -lm && LIBM="-lm"
2890 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2891
2892 check_mathfunc exp2
2893 check_mathfunc exp2f
2894 check_mathfunc llrint
2895 check_mathfunc llrintf
2896 check_mathfunc log2
2897 check_mathfunc log2f
2898 check_mathfunc lrint
2899 check_mathfunc lrintf
2900 check_mathfunc round
2901 check_mathfunc roundf
2902 check_mathfunc trunc
2903 check_mathfunc truncf
2904
2905 # these are off by default, so fail if requested and not available
2906 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2907 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2908 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2909 enabled libdirac && require_pkg_config dirac \
2910 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2911 "dirac_decoder_init dirac_encoder_init"
2912 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2913 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2914 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2915 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2916 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2917 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2918 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2919 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2920 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2921 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2922 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2923 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2924 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2925 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2926 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2927 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2928 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2929 enabled libvpx && {
2930 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2931 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2932 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2933 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2934 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2935 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2936 die "ERROR: libx264 version must be >= 0.118."; }
2937 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2938 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2939 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2940 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2941 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2942 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2943 die "ERROR: openssl not found"; }
2944
2945 # libdc1394 check
2946 if enabled libdc1394; then
2947 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2948 enable libdc1394_2; } ||
2949 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2950 enable libdc1394_1; } ||
2951 die "ERROR: No version of libdc1394 found "
2952 fi
2953
2954 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2955 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2956 enable sdl &&
2957 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2958 fi
2959
2960 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2961
2962 check_header linux/fb.h
2963 check_header linux/videodev.h
2964 check_header linux/videodev2.h
2965 check_header sys/videoio.h
2966
2967 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2968 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2969 # w32api 3.12 had it defined wrong
2970 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2971
2972 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2973 { check_header dev/bktr/ioctl_meteor.h &&
2974 check_header dev/bktr/ioctl_bt848.h; } ||
2975 { check_header machine/ioctl_meteor.h &&
2976 check_header machine/ioctl_bt848.h; } ||
2977 { check_header dev/video/meteor/ioctl_meteor.h &&
2978 check_header dev/video/bktr/ioctl_bt848.h; } ||
2979 check_header dev/ic/bt8xx.h
2980
2981 check_header sndio.h
2982 check_header sys/soundcard.h
2983 check_header soundcard.h
2984
2985 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2986
2987 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2988
2989 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2990
2991 enabled libcdio &&
2992 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2993
2994 enabled x11grab &&
2995 check_header X11/Xlib.h &&
2996 check_header X11/extensions/XShm.h &&
2997 check_header X11/extensions/Xfixes.h &&
2998 check_func XOpenDisplay -lX11 &&
2999 check_func XShmCreateImage -lX11 -lXext &&
3000 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3001
3002 # check for VDA header
3003 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3004 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3005 fi
3006
3007 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3008 check_cpp_condition \
3009 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3010 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3011 disable vdpau; }
3012 fi
3013
3014 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3015
3016 # add some useful compiler flags if supported
3017 check_cflags -Wdeclaration-after-statement
3018 check_cflags -Wall
3019 check_cflags -Wno-parentheses
3020 check_cflags -Wno-switch
3021 check_cflags -Wno-format-zero-length
3022 check_cflags -Wdisabled-optimization
3023 check_cflags -Wpointer-arith
3024 check_cflags -Wredundant-decls
3025 check_cflags -Wno-pointer-sign
3026 check_cflags -Wcast-qual
3027 check_cflags -Wwrite-strings
3028 check_cflags -Wtype-limits
3029 check_cflags -Wundef
3030 check_cflags -Wmissing-prototypes
3031 check_cflags -Wstrict-prototypes
3032 enabled extra_warnings && check_cflags -Winline
3033
3034 # add some linker flags
3035 check_ldflags -Wl,--warn-common
3036 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3037 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3038
3039 echo "X{};" > $TMPV
3040 if test_ldflags -Wl,--version-script,$TMPV; then
3041 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3042 check_cc <<EOF && enable symver_asm_label
3043 void ff_foo(void) __asm__ ("av_foo@VERSION");
3044 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3045 EOF
3046 check_cc <<EOF && enable symver_gnu_asm
3047 __asm__(".symver ff_foo,av_foo@VERSION");
3048 void ff_foo(void) {}
3049 EOF
3050 fi
3051
3052 if [ -n "$optflags" ]; then
3053 add_cflags $optflags
3054 elif enabled small; then
3055 add_cflags $size_cflags
3056 elif enabled optimizations; then
3057 add_cflags $speed_cflags
3058 else
3059 add_cflags $noopt_cflags
3060 fi
3061 check_cflags -fno-math-errno
3062 check_cflags -fno-signed-zeros
3063
3064 if enabled icc; then
3065 # Just warnings, no remarks
3066 check_cflags -w1
3067 # -wd: Disable following warnings
3068 # 144, 167, 556: -Wno-pointer-sign
3069 # 1292: attribute "foo" ignored
3070 # 10006: ignoring unknown option -fno-signed-zeros
3071 # 10148: ignoring unknown option -Wno-parentheses
3072 # 10156: ignoring option '-W'; no argument required
3073 check_cflags -wd144,167,556,1292,10006,10148,10156
3074 # 11030: Warning unknown option --as-needed
3075 # 10156: ignoring option '-export'; no argument required
3076 check_ldflags -wd10156,11030
3077 # Allow to compile with optimizations
3078 check_ldflags -march=$cpu
3079 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3080 enable ebp_available
3081 if enabled x86_32; then
3082 test ${icc_version%%.*} -ge 11 && \
3083 check_cflags -falign-stack=maintain-16-byte || \
3084 disable aligned_stack
3085 fi
3086 elif enabled ccc; then
3087 # disable some annoying warnings
3088 add_cflags -msg_disable cvtu32to64
3089 add_cflags -msg_disable embedcomment
3090 add_cflags -msg_disable needconstext
3091 add_cflags -msg_disable nomainieee
3092 add_cflags -msg_disable ptrmismatch1
3093 add_cflags -msg_disable unreachcode
3094 elif enabled gcc; then
3095 check_cflags -fno-tree-vectorize
3096 check_cflags -Werror=implicit-function-declaration
3097 check_cflags -Werror=missing-prototypes
3098 elif enabled llvm_gcc; then
3099 check_cflags -mllvm -stack-alignment=16
3100 elif enabled clang; then
3101 check_cflags -mllvm -stack-alignment=16
3102 check_cflags -Qunused-arguments
3103 elif enabled armcc; then
3104 # 2523: use of inline assembler is deprecated
3105 add_cflags -W${armcc_opt},--diag_suppress=2523
3106 add_cflags -W${armcc_opt},--diag_suppress=1207
3107 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3108 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3109 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3110 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3111 elif enabled tms470; then
3112 add_cflags -pds=824 -pds=837
3113 elif enabled pathscale; then
3114 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3115 fi
3116
3117 enabled_any $THREADS_LIST && enable threads
3118
3119 check_deps $CONFIG_LIST \
3120 $CONFIG_EXTRA \
3121 $HAVE_LIST \
3122 $DECODER_LIST \
3123 $ENCODER_LIST \
3124 $HWACCEL_LIST \
3125 $PARSER_LIST \
3126 $BSF_LIST \
3127 $DEMUXER_LIST \
3128 $MUXER_LIST \
3129 $FILTER_LIST \
3130 $INDEV_LIST \
3131 $OUTDEV_LIST \
3132 $PROTOCOL_LIST \
3133 $ACODEC_TESTS \
3134 $VCODEC_TESTS \
3135 $LAVF_TESTS \
3136 $LAVFI_TESTS \
3137 $SEEK_TESTS \
3138
3139 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3140
3141 ! enabled_any memalign posix_memalign malloc_aligned &&
3142 enabled_any $need_memalign && enable memalign_hack
3143
3144 echo "install prefix $prefix"
3145 echo "source path $source_path"
3146 echo "C compiler $cc"
3147 echo "ARCH $arch ($cpu)"
3148 if test "$build_suffix" != ""; then
3149 echo "build suffix $build_suffix"
3150 fi
3151 if test "$extra_version" != ""; then
3152 echo "version string suffix $extra_version"
3153 fi
3154 echo "big-endian ${bigendian-no}"
3155 echo "runtime cpu detection ${runtime_cpudetect-no}"
3156 if enabled x86; then
3157 echo "${yasmexe} ${yasm-no}"
3158 echo "MMX enabled ${mmx-no}"
3159 echo "MMX2 enabled ${mmx2-no}"
3160 echo "3DNow! enabled ${amd3dnow-no}"
3161 echo "3DNow! extended enabled ${amd3dnowext-no}"
3162 echo "SSE enabled ${sse-no}"
3163 echo "SSSE3 enabled ${ssse3-no}"
3164 echo "AVX enabled ${avx-no}"
3165 echo "CMOV enabled ${cmov-no}"
3166 echo "CMOV is fast ${fast_cmov-no}"
3167 echo "EBX available ${ebx_available-no}"
3168 echo "EBP available ${ebp_available-no}"
3169 fi
3170 if enabled arm; then
3171 echo "ARMv5TE enabled ${armv5te-no}"
3172 echo "ARMv6 enabled ${armv6-no}"
3173 echo "ARMv6T2 enabled ${armv6t2-no}"
3174 echo "ARM VFP enabled ${armvfp-no}"
3175 echo "IWMMXT enabled ${iwmmxt-no}"
3176 echo "NEON enabled ${neon-no}"
3177 fi
3178 if enabled mips; then
3179 echo "MMI enabled ${mmi-no}"
3180 fi
3181 if enabled ppc; then
3182 echo "AltiVec enabled ${altivec-no}"
3183 echo "PPC 4xx optimizations ${ppc4xx-no}"
3184 echo "dcbzl available ${dcbzl-no}"
3185 fi
3186 if enabled sparc; then
3187 echo "VIS enabled ${vis-no}"
3188 fi
3189 echo "debug symbols ${debug-no}"
3190 echo "optimize for size ${small-no}"
3191 echo "optimizations ${optimizations-no}"
3192 echo "static ${static-no}"
3193 echo "shared ${shared-no}"
3194 echo "postprocessing support ${postproc-no}"
3195 echo "new filter support ${avfilter-no}"
3196 echo "network support ${network-no}"
3197 echo "threading support ${thread_type-no}"
3198 echo "SDL support ${sdl-no}"
3199 echo "Sun medialib support ${mlib-no}"
3200 echo "libdxva2 enabled ${dxva2-no}"
3201 echo "libva enabled ${vaapi-no}"
3202 echo "libvdpau enabled ${vdpau-no}"
3203 echo "AVISynth enabled ${avisynth-no}"
3204 echo "frei0r enabled ${frei0r-no}"
3205 echo "gnutls enabled ${gnutls-no}"
3206 echo "libcdio support ${libcdio-no}"
3207 echo "libdc1394 support ${libdc1394-no}"
3208 echo "libdirac enabled ${libdirac-no}"
3209 echo "libfaac enabled ${libfaac-no}"
3210 echo "libgsm enabled ${libgsm-no}"
3211 echo "libmp3lame enabled ${libmp3lame-no}"
3212 echo "libnut enabled ${libnut-no}"
3213 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3214 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3215 echo "libopencv support ${libopencv-no}"
3216 echo "libopenjpeg enabled ${libopenjpeg-no}"
3217 echo "libpulse enabled ${libpulse-no}"
3218 echo "librtmp enabled ${librtmp-no}"
3219 echo "libschroedinger enabled ${libschroedinger-no}"
3220 echo "libspeex enabled ${libspeex-no}"
3221 echo "libtheora enabled ${libtheora-no}"
3222 echo "libvo-aacenc support ${libvo_aacenc-no}"
3223 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3224 echo "libvorbis enabled ${libvorbis-no}"
3225 echo "libvpx enabled ${libvpx-no}"
3226 echo "libx264 enabled ${libx264-no}"
3227 echo "libxavs enabled ${libxavs-no}"
3228 echo "libxvid enabled ${libxvid-no}"
3229 echo "openssl enabled ${openssl-no}"
3230 echo "zlib enabled ${zlib-no}"
3231 echo "bzlib enabled ${bzlib-no}"
3232 echo
3233
3234 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3235 echo "Enabled ${type}s:"
3236 eval list=\$$(toupper $type)_LIST
3237 print_enabled '_*' $list | sort | pr -r -3 -t
3238 echo
3239 done
3240
3241 license="LGPL version 2.1 or later"
3242 if enabled nonfree; then
3243 license="nonfree and unredistributable"
3244 elif enabled gplv3; then
3245 license="GPL version 3 or later"
3246 elif enabled lgplv3; then
3247 license="LGPL version 3 or later"
3248 elif enabled gpl; then
3249 license="GPL version 2 or later"
3250 fi
3251
3252 echo "License: $license"
3253
3254 echo "Creating config.mak and config.h..."
3255
3256 test -e Makefile || $ln_s "$source_path/Makefile" .
3257
3258 config_files="$TMPH config.mak"
3259
3260 cat > config.mak <<EOF
3261 # Automatically generated by configure - do not modify!
3262 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3263 prefix=$prefix
3264 LIBDIR=\$(DESTDIR)$libdir
3265 SHLIBDIR=\$(DESTDIR)$shlibdir
3266 INCDIR=\$(DESTDIR)$incdir
3267 BINDIR=\$(DESTDIR)$bindir
3268 DATADIR=\$(DESTDIR)$datadir
3269 MANDIR=\$(DESTDIR)$mandir
3270 SRC_PATH=$source_path
3271 CC_IDENT=$cc_ident
3272 ARCH=$arch
3273 CC=$cc
3274 AS=$as
3275 LD=$ld
3276 DEPCC=$dep_cc
3277 YASM=$yasmexe
3278 YASMDEP=$yasmexe
3279 AR=$ar
3280 RANLIB=$ranlib
3281 LN_S=$ln_s
3282 CPPFLAGS=$CPPFLAGS
3283 CFLAGS=$CFLAGS
3284 ASFLAGS=$ASFLAGS
3285 AS_O=$CC_O
3286 CC_O=$CC_O
3287 DLLTOOL=$dlltool
3288 LDFLAGS=$LDFLAGS
3289 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3290 SHFLAGS=$SHFLAGS
3291 YASMFLAGS=$YASMFLAGS
3292 BUILDSUF=$build_suffix
3293 FULLNAME=$FULLNAME
3294 LIBPREF=$LIBPREF
3295 LIBSUF=$LIBSUF
3296 LIBNAME=$LIBNAME
3297 SLIBPREF=$SLIBPREF
3298 SLIBSUF=$SLIBSUF
3299 EXESUF=$EXESUF
3300 EXTRA_VERSION=$extra_version
3301 DEPFLAGS=$DEPFLAGS
3302 CCDEP=$CCDEP
3303 ASDEP=$ASDEP
3304 CC_DEPFLAGS=$CC_DEPFLAGS
3305 AS_DEPFLAGS=$AS_DEPFLAGS
3306 HOSTCC=$host_cc
3307 HOSTCFLAGS=$host_cflags
3308 HOSTEXESUF=$HOSTEXESUF
3309 HOSTLDFLAGS=$host_ldflags
3310 HOSTLIBS=$host_libs
3311 TARGET_EXEC=$target_exec
3312 TARGET_PATH=$target_path
3313 SDL_LIBS=$sdl_libs
3314 SDL_CFLAGS=$sdl_cflags
3315 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3316 EXTRALIBS=$extralibs
3317 INSTALL=install
3318 LIBTARGET=${LIBTARGET}
3319 SLIBNAME=${SLIBNAME}
3320 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3321 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3322 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3323 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3324 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3325 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3326 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3327 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3328 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3329 EOF
3330
3331 get_version(){
3332 name=$1
3333 file=$source_path/$2
3334 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3335 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3336 lcname=$(tolower $name)
3337 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3338 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3339 }
3340
3341 get_version LIBAVCODEC libavcodec/version.h
3342 get_version LIBAVDEVICE libavdevice/avdevice.h
3343 get_version LIBAVFILTER libavfilter/avfilter.h
3344 get_version LIBAVFORMAT libavformat/version.h
3345 get_version LIBAVUTIL libavutil/avutil.h
3346 get_version LIBPOSTPROC libpostproc/postprocess.h
3347 get_version LIBSWSCALE libswscale/swscale.h
3348
3349 cat > $TMPH <<EOF
3350 /* Automatically generated by configure - do not modify! */
3351 #ifndef LIBAV_CONFIG_H
3352 #define LIBAV_CONFIG_H
3353 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3354 #define LIBAV_LICENSE "$(c_escape $license)"
3355 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3356 #define CC_TYPE "$cc_type"
3357 #define CC_VERSION $cc_version
3358 #define restrict $_restrict
3359 #define EXTERN_PREFIX "${extern_prefix}"
3360 #define EXTERN_ASM ${extern_prefix}
3361 #define SLIBSUF "$SLIBSUF"
3362 EOF
3363
3364 test -n "$malloc_prefix" &&
3365 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3366
3367 if enabled small || disabled optimizations; then
3368 echo "#undef av_always_inline" >> $TMPH
3369 if enabled small; then
3370 echo "#define av_always_inline inline" >> $TMPH
3371 else
3372 echo "#define av_always_inline av_unused" >> $TMPH
3373 fi
3374 fi
3375
3376 if enabled yasm; then
3377 append config_files $TMPASM
3378 printf '' >$TMPASM
3379 fi
3380
3381 print_config ARCH_ "$config_files" $ARCH_LIST
3382 print_config HAVE_ "$config_files" $HAVE_LIST
3383 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3384 $CONFIG_EXTRA \
3385 $DECODER_LIST \
3386 $ENCODER_LIST \
3387 $HWACCEL_LIST \
3388 $PARSER_LIST \
3389 $BSF_LIST \
3390 $DEMUXER_LIST \
3391 $MUXER_LIST \
3392 $FILTER_LIST \
3393 $PROTOCOL_LIST \
3394 $INDEV_LIST \
3395 $OUTDEV_LIST \
3396
3397 cat >>config.mak <<EOF
3398 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3399 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3400 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3401 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3402 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3403 EOF
3404
3405 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3406
3407 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3408 cp_if_changed $TMPH config.h
3409 touch .config
3410
3411 enabled yasm && cp_if_changed $TMPASM config.asm
3412
3413 cat > $TMPH <<EOF
3414 /* Generated by ffconf */
3415 #ifndef AVUTIL_AVCONFIG_H
3416 #define AVUTIL_AVCONFIG_H
3417 EOF
3418
3419 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3420
3421 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3422
3423 cp_if_changed $TMPH libavutil/avconfig.h
3424
3425 test -n "$WARNINGS" && printf "\n$WARNINGS"
3426
3427 # build pkg-config files
3428
3429 pkgconfig_generate(){
3430 name=$1
3431 shortname=${name#lib}${build_suffix}
3432 comment=$2
3433 version=$3
3434 libs=$4
3435 requires=$5
3436 enabled ${name#lib} || return 0
3437 mkdir -p $name
3438 cat <<EOF > $name/$name.pc
3439 prefix=$prefix
3440 exec_prefix=\${prefix}
3441 libdir=$libdir
3442 includedir=$incdir
3443
3444 Name: $name
3445 Description: $comment
3446 Version: $version
3447 Requires: $(enabled shared || echo $requires)
3448 Requires.private: $(enabled shared && echo $requires)
3449 Conflicts:
3450 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3451 Libs.private: $(enabled shared && echo $libs)
3452 Cflags: -I\${includedir}
3453 EOF
3454 cat <<EOF > $name/$name-uninstalled.pc
3455 prefix=
3456 exec_prefix=
3457 libdir=\${pcfiledir}
3458 includedir=${source_path}
3459
3460 Name: $name
3461 Description: $comment
3462 Version: $version
3463 Requires: $requires
3464 Conflicts:
3465 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3466 Cflags: -I\${includedir}
3467 EOF
3468 }
3469
3470 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3471 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3472 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3473 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3474 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3475 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3476 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"