fate: flac: Only run tests requiring samples when samples are available
[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 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-dwt disable DWT code
120 --disable-lsp disable LSP code
121 --disable-mdct disable MDCT code
122 --disable-rdft disable RDFT code
123 --disable-fft disable FFT code
124 --enable-dxva2 enable DXVA2 code
125 --enable-vaapi enable VAAPI code
126 --enable-vda enable VDA code
127 --enable-vdpau enable VDPAU code
128
129 Individual component options:
130 --disable-everything disable all components listed below
131 --disable-encoder=NAME disable encoder NAME
132 --enable-encoder=NAME enable encoder NAME
133 --disable-encoders disable all encoders
134 --disable-decoder=NAME disable decoder NAME
135 --enable-decoder=NAME enable decoder NAME
136 --disable-decoders disable all decoders
137 --disable-hwaccel=NAME disable hwaccel NAME
138 --enable-hwaccel=NAME enable hwaccel NAME
139 --disable-hwaccels disable all hwaccels
140 --disable-muxer=NAME disable muxer NAME
141 --enable-muxer=NAME enable muxer NAME
142 --disable-muxers disable all muxers
143 --disable-demuxer=NAME disable demuxer NAME
144 --enable-demuxer=NAME enable demuxer NAME
145 --disable-demuxers disable all demuxers
146 --enable-parser=NAME enable parser NAME
147 --disable-parser=NAME disable parser NAME
148 --disable-parsers disable all parsers
149 --enable-bsf=NAME enable bitstream filter NAME
150 --disable-bsf=NAME disable bitstream filter NAME
151 --disable-bsfs disable all bitstream filters
152 --enable-protocol=NAME enable protocol NAME
153 --disable-protocol=NAME disable protocol NAME
154 --disable-protocols disable all protocols
155 --enable-indev=NAME enable input device NAME
156 --disable-indev=NAME disable input device NAME
157 --disable-indevs disable input devices
158 --enable-outdev=NAME enable output device NAME
159 --disable-outdev=NAME disable output device NAME
160 --disable-outdevs disable output devices
161 --disable-devices disable all devices
162 --enable-filter=NAME enable filter NAME
163 --disable-filter=NAME disable filter NAME
164 --disable-filters disable all filters
165
166 External library support:
167 --enable-avisynth enable reading of AVISynth script files [no]
168 --enable-bzlib enable bzlib [autodetect]
169 --enable-frei0r enable frei0r video filtering
170 --enable-gnutls enable gnutls [no]
171 --enable-libcdio enable audio CD grabbing with libcdio
172 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
173 and libraw1394 [no]
174 --enable-libfaac enable AAC encoding via libfaac [no]
175 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM de/encoding via libgsm [no]
178 --enable-libilbc enable iLBC de/encoding via libilbc [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
181 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
182 --enable-libopencv enable video filtering via libopencv [no]
183 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
187 --enable-libspeex enable Speex de/encoding via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
192 --enable-libvpx enable VP8 de/encoding via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-openssl enable openssl [no]
198 --enable-zlib enable zlib [autodetect]
199
200 Advanced options (experts only):
201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
209 --ar=AR use archive tool AR [$ar_default]
210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
212 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
217 --host-libs=HLIBS use libs HLIBS when linking for host
218 --host-os=OS compiler host OS [$target_os]
219 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
220 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
221 --extra-libs=ELIBS add ELIBS [$ELIBS]
222 --extra-version=STRING version string suffix []
223 --optflags=OPTFLAGS override optimization-related compiler flags
224 --build-suffix=SUFFIX library name suffix []
225 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
226 --arch=ARCH select architecture [$arch]
227 --cpu=CPU select the minimum required CPU (affects
228 instruction selection, may crash on older CPUs)
229 --enable-pic build position-independent code
230 --enable-sram allow use of on-chip SRAM
231 --enable-thumb compile for Thumb instruction set
232 --disable-symver disable symbol versioning
233 --disable-fastdiv disable table-based division
234 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
235 --disable-safe-bitstream-reader
236 disable buffer boundary checking in bitreaders
237 (faster, but may crash)
238 --enable-memalign-hack emulate memalign, interferes with memory debuggers
239
240 Optimization options (experts only):
241 --disable-asm disable all assembler optimizations
242 --disable-altivec disable AltiVec optimizations
243 --disable-amd3dnow disable 3DNow! optimizations
244 --disable-amd3dnowext disable 3DNow! extended optimizations
245 --disable-mmx disable MMX optimizations
246 --disable-mmxext disable MMXEXT optimizations
247 --disable-sse disable SSE optimizations
248 --disable-ssse3 disable SSSE3 optimizations
249 --disable-avx disable AVX optimizations
250 --disable-fma4 disable FMA4 optimizations
251 --disable-armv5te disable armv5te optimizations
252 --disable-armv6 disable armv6 optimizations
253 --disable-armv6t2 disable armv6t2 optimizations
254 --disable-armvfp disable ARM VFP optimizations
255 --disable-mmi disable MMI optimizations
256 --disable-neon disable NEON optimizations
257 --disable-vis disable VIS optimizations
258 --disable-yasm disable use of yasm assembler
259
260 Developer options (useful when working on Libav itself):
261 --disable-debug disable debugging symbols
262 --enable-debug=LEVEL set the debug level [$debuglevel]
263 --disable-optimizations disable compiler optimizations
264 --enable-extra-warnings enable more compiler warnings
265 --samples=PATH location of test samples for FATE, if not set use
266 \$LIBAV_SAMPLES at make invocation time.
267 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
268 should be used only for debugging purposes)
269 --enable-random randomly enable/disable components
270 --disable-random
271 --enable-random=LIST randomly enable/disable specific components or
272 --disable-random=LIST component groups. LIST is a comma-separated list
273 of NAME[:PROB] entries where NAME is a component
274 (group) and PROB the probability associated with
275 NAME (default 0.5).
276 --random-seed=VALUE seed value for --enable/disable-random
277
278 NOTE: Object files are built at the place where configure is launched.
279 EOF
280 exit 0
281 }
282
283 quotes='""'
284
285 log(){
286 echo "$@" >> $logfile
287 }
288
289 log_file(){
290 log BEGIN $1
291 pr -n -t $1 >> $logfile
292 log END $1
293 }
294
295 echolog(){
296 log "$@"
297 echo "$@"
298 }
299
300 warn(){
301 log "WARNING: $*"
302 WARNINGS="${WARNINGS}WARNING: $*\n"
303 }
304
305 die(){
306 echolog "$@"
307 cat <<EOF
308
309 If you think configure made a mistake, make sure you are using the latest
310 version from Git. If the latest version fails, report the problem to the
311 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
312 EOF
313 if disabled logging; then
314 cat <<EOF
315 Rerun configure with logging enabled (do not use --disable-logging), and
316 include the log this produces with your report.
317 EOF
318 else
319 cat <<EOF
320 Include the log file "$logfile" produced by configure as this will help
321 solving the problem.
322 EOF
323 fi
324 exit 1
325 }
326
327 # Avoid locale weirdness, besides we really just want to translate ASCII.
328 toupper(){
329 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
330 }
331
332 tolower(){
333 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
334 }
335
336 c_escape(){
337 echo "$*" | sed 's/["\\]/\\\0/g'
338 }
339
340 sh_quote(){
341 v=$(echo "$1" | sed "s/'/'\\\\''/g")
342 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
343 echo "$v"
344 }
345
346 cleanws(){
347 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
348 }
349
350 filter(){
351 pat=$1
352 shift
353 for v; do
354 eval "case $v in $pat) echo $v ;; esac"
355 done
356 }
357
358 filter_out(){
359 pat=$1
360 shift
361 for v; do
362 eval "case $v in $pat) ;; *) echo $v ;; esac"
363 done
364 }
365
366 map(){
367 m=$1
368 shift
369 for v; do eval $m; done
370 }
371
372 set_all(){
373 value=$1
374 shift
375 for var in $*; do
376 eval $var=$value
377 done
378 }
379
380 set_weak(){
381 value=$1
382 shift
383 for var; do
384 eval : \${$var:=$value}
385 done
386 }
387
388 set_safe(){
389 var=$1
390 shift
391 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
392 }
393
394 get_safe(){
395 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
396 }
397
398 pushvar(){
399 for var in $*; do
400 eval level=\${${var}_level:=0}
401 eval ${var}_${level}="\$$var"
402 eval ${var}_level=$(($level+1))
403 done
404 }
405
406 popvar(){
407 for var in $*; do
408 eval level=\${${var}_level:-0}
409 test $level = 0 && continue
410 eval level=$(($level-1))
411 eval $var="\${${var}_${level}}"
412 eval ${var}_level=$level
413 eval unset ${var}_${level}
414 done
415 }
416
417 enable(){
418 set_all yes $*
419 }
420
421 disable(){
422 set_all no $*
423 }
424
425 enable_weak(){
426 set_weak yes $*
427 }
428
429 disable_weak(){
430 set_weak no $*
431 }
432
433 enable_safe(){
434 for var; do
435 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
436 done
437 }
438
439 disable_safe(){
440 for var; do
441 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
442 done
443 }
444
445 do_enable_deep(){
446 for var; do
447 enabled $var && continue
448 eval sel="\$${var}_select"
449 eval sgs="\$${var}_suggest"
450 pushvar var sgs
451 enable_deep $sel
452 popvar sgs
453 enable_deep_weak $sgs
454 popvar var
455 done
456 }
457
458 enable_deep(){
459 do_enable_deep $*
460 enable $*
461 }
462
463 enable_deep_weak(){
464 do_enable_deep $*
465 enable_weak $*
466 }
467
468 enabled(){
469 test "${1#!}" = "$1" && op== || op=!=
470 eval test "x\$${1#!}" $op "xyes"
471 }
472
473 disabled(){
474 test "${1#!}" = "$1" && op== || op=!=
475 eval test "x\$${1#!}" $op "xno"
476 }
477
478 enabled_all(){
479 for opt; do
480 enabled $opt || return 1
481 done
482 }
483
484 disabled_all(){
485 for opt; do
486 disabled $opt || return 1
487 done
488 }
489
490 enabled_any(){
491 for opt; do
492 enabled $opt && return 0
493 done
494 }
495
496 disabled_any(){
497 for opt; do
498 disabled $opt && return 0
499 done
500 return 1
501 }
502
503 set_default(){
504 for opt; do
505 eval : \${$opt:=\$${opt}_default}
506 done
507 }
508
509 is_in(){
510 value=$1
511 shift
512 for var in $*; do
513 [ $var = $value ] && return 0
514 done
515 return 1
516 }
517
518 check_deps(){
519 for cfg; do
520 cfg="${cfg#!}"
521 enabled ${cfg}_checking && die "Circular dependency for $cfg."
522 disabled ${cfg}_checking && continue
523 enable ${cfg}_checking
524
525 eval dep_all="\$${cfg}_deps"
526 eval dep_any="\$${cfg}_deps_any"
527 eval dep_sel="\$${cfg}_select"
528 eval dep_sgs="\$${cfg}_suggest"
529 eval dep_ifa="\$${cfg}_if"
530 eval dep_ifn="\$${cfg}_if_any"
531
532 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
533 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
534 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
535
536 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
537 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
538 enabled_all $dep_all || disable $cfg
539 enabled_any $dep_any || disable $cfg
540 disabled_any $dep_sel && disable $cfg
541
542 if enabled $cfg; then
543 eval dep_extralibs="\$${cfg}_extralibs"
544 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
545 enable_deep $dep_sel
546 enable_deep_weak $dep_sgs
547 fi
548
549 disable ${cfg}_checking
550 done
551 }
552
553 print_config_h(){
554 enabled $1 && v=1 || v=0
555 echo "#define $2 $v"
556 }
557
558 print_config_mak(){
559 enabled $1 && v= || v=!
560 echo "$v$2=yes"
561 }
562
563 print_config_asm(){
564 enabled $1 && v=1 || v=0
565 echo "%define $2 $v"
566 }
567
568 print_config(){
569 pfx=$1
570 files=$2
571 shift 2
572 for cfg; do
573 ucname="$(toupper $cfg)"
574 for f in $files; do
575 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
576 done
577 done
578 }
579
580 print_enabled(){
581 test "$1" = -n && end=" " && shift || end="\n"
582 suf=$1
583 shift
584 for v; do
585 enabled $v && printf "%s$end" ${v%$suf};
586 done
587 }
588
589 append(){
590 var=$1
591 shift
592 eval "$var=\"\$$var $*\""
593 }
594
595 prepend(){
596 var=$1
597 shift
598 eval "$var=\"$* \$$var\""
599 }
600
601 add_cppflags(){
602 append CPPFLAGS "$@"
603 }
604
605 add_cflags(){
606 append CFLAGS $($cflags_filter "$@")
607 }
608
609 add_asflags(){
610 append ASFLAGS $($asflags_filter "$@")
611 }
612
613 add_ldflags(){
614 append LDFLAGS $($ldflags_filter "$@")
615 }
616
617 add_extralibs(){
618 prepend extralibs $($ldflags_filter "$@")
619 }
620
621 add_host_cflags(){
622 append host_cflags $($host_cflags_filter "$@")
623 }
624
625 add_host_ldflags(){
626 append host_ldflags $($host_ldflags_filter "$@")
627 }
628
629 check_cmd(){
630 log "$@"
631 "$@" >> $logfile 2>&1
632 }
633
634 cc_o(){
635 eval printf '%s\\n' $CC_O
636 }
637
638 cc_e(){
639 eval printf '%s\\n' $CC_E
640 }
641
642 check_cc(){
643 log check_cc "$@"
644 cat > $TMPC
645 log_file $TMPC
646 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
647 }
648
649 check_cpp(){
650 log check_cpp "$@"
651 cat > $TMPC
652 log_file $TMPC
653 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
654 }
655
656 check_as(){
657 log check_as "$@"
658 cat > $TMPC
659 log_file $TMPC
660 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
661 }
662
663 check_inline_asm(){
664 log check_inline_asm "$@"
665 name="$1"
666 code="$2"
667 shift 2
668 disable $name
669 check_as "$@" <<EOF && enable $name
670 void foo(void){ __asm__ volatile($code); }
671 EOF
672 }
673
674 check_yasm(){
675 log check_yasm "$@"
676 echo "$1" > $TMPS
677 log_file $TMPS
678 shift 1
679 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
680 }
681
682 check_ld(){
683 log check_ld "$@"
684 flags=''
685 libs=''
686 for f; do
687 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
688 done
689 check_cc $($cflags_filter $flags) || return
690 flags=$($ldflags_filter $flags)
691 libs=$($ldflags_filter $libs)
692 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
693 }
694
695 check_code(){
696 log check_code "$@"
697 check=$1
698 headers=$2
699 code=$3
700 shift 3
701 {
702 for hdr in $headers; do
703 echo "#include <$hdr>"
704 done
705 echo "int main(void) { $code; return 0; }"
706 } | check_$check "$@"
707 }
708
709 check_cppflags(){
710 log check_cppflags "$@"
711 check_cc "$@" <<EOF && append CPPFLAGS "$@"
712 int x;
713 EOF
714 }
715
716 check_cflags(){
717 log check_cflags "$@"
718 set -- $($cflags_filter "$@")
719 check_cc "$@" <<EOF && append CFLAGS "$@"
720 int x;
721 EOF
722 }
723
724 test_ldflags(){
725 log test_ldflags "$@"
726 check_ld "$@" <<EOF
727 int main(void){ return 0; }
728 EOF
729 }
730
731 check_ldflags(){
732 log check_ldflags "$@"
733 test_ldflags "$@" && add_ldflags "$@"
734 }
735
736 check_header(){
737 log check_header "$@"
738 header=$1
739 shift
740 disable_safe $header
741 check_cpp "$@" <<EOF && enable_safe $header
742 #include <$header>
743 int x;
744 EOF
745 }
746
747 check_func(){
748 log check_func "$@"
749 func=$1
750 shift
751 disable $func
752 check_ld "$@" <<EOF && enable $func
753 extern int $func();
754 int main(void){ $func(); }
755 EOF
756 }
757
758 check_mathfunc(){
759 log check_mathfunc "$@"
760 func=$1
761 shift
762 disable $func
763 check_ld "$@" <<EOF && enable $func
764 #include <math.h>
765 float foo(float f) { return $func(f); }
766 int main(void){ return 0; }
767 EOF
768 }
769
770 check_func_headers(){
771 log check_func_headers "$@"
772 headers=$1
773 funcs=$2
774 shift 2
775 {
776 for hdr in $headers; do
777 echo "#include <$hdr>"
778 done
779 for func in $funcs; do
780 echo "long check_$func(void) { return (long) $func; }"
781 done
782 echo "int main(void) { return 0; }"
783 } | check_ld "$@" && enable $funcs && enable_safe $headers
784 }
785
786 check_cpp_condition(){
787 log check_cpp_condition "$@"
788 header=$1
789 condition=$2
790 shift 2
791 check_cpp "$@" <<EOF
792 #include <$header>
793 #if !($condition)
794 #error "unsatisfied condition: $condition"
795 #endif
796 EOF
797 }
798
799 check_lib(){
800 log check_lib "$@"
801 header="$1"
802 func="$2"
803 shift 2
804 check_header $header && check_func $func "$@" && add_extralibs "$@"
805 }
806
807 check_lib2(){
808 log check_lib2 "$@"
809 headers="$1"
810 funcs="$2"
811 shift 2
812 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
813 }
814
815 check_pkg_config(){
816 log check_pkg_config "$@"
817 pkg="$1"
818 headers="$2"
819 funcs="$3"
820 shift 3
821 $pkg_config --exists $pkg || return
822 pkg_cflags=$($pkg_config --cflags $pkg)
823 pkg_libs=$($pkg_config --libs $pkg)
824 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
825 set_safe ${pkg}_cflags $pkg_cflags &&
826 set_safe ${pkg}_libs $pkg_libs
827 }
828
829 check_exec(){
830 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
831 }
832
833 check_exec_crash(){
834 code=$(cat)
835
836 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
837 # are safe but may not be available everywhere. Thus we use
838 # raise(SIGTERM) instead. The check is run in a subshell so we
839 # can redirect the "Terminated" message from the shell. SIGBUS
840 # is not defined by standard C so it is used conditionally.
841
842 (check_exec "$@") >> $logfile 2>&1 <<EOF
843 #include <signal.h>
844 static void sighandler(int sig){
845 raise(SIGTERM);
846 }
847 int main(void){
848 signal(SIGILL, sighandler);
849 signal(SIGFPE, sighandler);
850 signal(SIGSEGV, sighandler);
851 #ifdef SIGBUS
852 signal(SIGBUS, sighandler);
853 #endif
854 { $code }
855 }
856 EOF
857 }
858
859 check_type(){
860 log check_type "$@"
861 headers=$1
862 type=$2
863 shift 2
864 disable_safe "$type"
865 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
866 }
867
868 check_struct(){
869 log check_type "$@"
870 headers=$1
871 struct=$2
872 member=$3
873 shift 3
874 disable_safe "${struct}_${member}"
875 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
876 enable_safe "${struct}_${member}"
877 }
878
879 require(){
880 name="$1"
881 header="$2"
882 func="$3"
883 shift 3
884 check_lib $header $func "$@" || die "ERROR: $name not found"
885 }
886
887 require2(){
888 name="$1"
889 headers="$2"
890 func="$3"
891 shift 3
892 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
893 }
894
895 require_pkg_config(){
896 pkg="$1"
897 check_pkg_config "$@" || die "ERROR: $pkg not found"
898 add_cflags $(get_safe ${pkg}_cflags)
899 add_extralibs $(get_safe ${pkg}_libs)
900 }
901
902 check_host_cc(){
903 log check_host_cc "$@"
904 cat > $TMPC
905 log_file $TMPC
906 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
907 }
908
909 check_host_cflags(){
910 log check_host_cflags "$@"
911 set -- $($host_cflags_filter "$@")
912 check_host_cc "$@" <<EOF && append host_cflags "$@"
913 int x;
914 EOF
915 }
916
917 apply(){
918 file=$1
919 shift
920 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
921 }
922
923 cp_if_changed(){
924 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
925 mkdir -p "$(dirname $2)"
926 cp -f "$1" "$2"
927 }
928
929 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
930 # system-dependent things.
931
932 COMPONENT_LIST="
933 bsfs
934 decoders
935 demuxers
936 encoders
937 filters
938 hwaccels
939 indevs
940 muxers
941 outdevs
942 parsers
943 protocols
944 "
945
946 PROGRAM_LIST="
947 avconv
948 avplay
949 avprobe
950 avserver
951 "
952
953 CONFIG_LIST="
954 $COMPONENT_LIST
955 $PROGRAM_LIST
956 avcodec
957 avdevice
958 avfilter
959 avformat
960 avresample
961 avisynth
962 bzlib
963 dct
964 doc
965 dwt
966 dxva2
967 fastdiv
968 fft
969 frei0r
970 gnutls
971 gpl
972 gray
973 hardcoded_tables
974 libcdio
975 libdc1394
976 libfaac
977 libfdk_aac
978 libfreetype
979 libgsm
980 libilbc
981 libmp3lame
982 libopencore_amrnb
983 libopencore_amrwb
984 libopencv
985 libopenjpeg
986 libpulse
987 librtmp
988 libschroedinger
989 libspeex
990 libtheora
991 libvo_aacenc
992 libvo_amrwbenc
993 libvorbis
994 libvpx
995 libx264
996 libxavs
997 libxvid
998 lsp
999 mdct
1000 memalign_hack
1001 network
1002 nonfree
1003 openssl
1004 pic
1005 rdft
1006 runtime_cpudetect
1007 safe_bitstream_reader
1008 shared
1009 small
1010 sram
1011 static
1012 swscale
1013 swscale_alpha
1014 thumb
1015 vaapi
1016 vda
1017 vdpau
1018 version3
1019 xmm_clobber_test
1020 x11grab
1021 zlib
1022 "
1023
1024 THREADS_LIST='
1025 pthreads
1026 w32threads
1027 '
1028
1029 ARCH_LIST='
1030 alpha
1031 arm
1032 avr32
1033 avr32_ap
1034 avr32_uc
1035 bfin
1036 ia64
1037 m68k
1038 mips
1039 mips64
1040 parisc
1041 ppc
1042 ppc64
1043 s390
1044 sh4
1045 sparc
1046 sparc64
1047 tomi
1048 x86
1049 x86_32
1050 x86_64
1051 '
1052
1053 ARCH_EXT_LIST='
1054 altivec
1055 amd3dnow
1056 amd3dnowext
1057 armv5te
1058 armv6
1059 armv6t2
1060 armvfp
1061 avx
1062 fma4
1063 mmi
1064 mmx
1065 mmxext
1066 neon
1067 ppc4xx
1068 sse
1069 ssse3
1070 vfpv3
1071 vis
1072 '
1073
1074 HAVE_LIST_PUB='
1075 bigendian
1076 fast_unaligned
1077 '
1078
1079 HAVE_LIST="
1080 $ARCH_EXT_LIST
1081 $HAVE_LIST_PUB
1082 $THREADS_LIST
1083 aligned_malloc
1084 aligned_stack
1085 alsa_asoundlib_h
1086 altivec_h
1087 arpa_inet_h
1088 asm_mod_q
1089 asm_mod_y
1090 attribute_may_alias
1091 attribute_packed
1092 cbrtf
1093 closesocket
1094 cmov
1095 cpuid
1096 cpunop
1097 dcbzl
1098 dev_bktr_ioctl_bt848_h
1099 dev_bktr_ioctl_meteor_h
1100 dev_ic_bt8xx_h
1101 dev_video_bktr_ioctl_bt848_h
1102 dev_video_meteor_ioctl_meteor_h
1103 dlfcn_h
1104 dlopen
1105 dos_paths
1106 dxva_h
1107 ebp_available
1108 ebx_available
1109 exp2
1110 exp2f
1111 fast_64bit
1112 fast_clz
1113 fast_cmov
1114 fcntl
1115 fork
1116 getaddrinfo
1117 gethrtime
1118 getopt
1119 GetProcessAffinityMask
1120 GetProcessMemoryInfo
1121 GetProcessTimes
1122 GetSystemTimeAsFileTime
1123 getrusage
1124 gettimeofday
1125 gnu_as
1126 ibm_asm
1127 inet_aton
1128 inline_asm
1129 io_h
1130 isatty
1131 isinf
1132 isnan
1133 jack_port_get_latency_range
1134 ldbrx
1135 libdc1394_1
1136 libdc1394_2
1137 llrint
1138 llrintf
1139 local_aligned_16
1140 local_aligned_8
1141 localtime_r
1142 log2
1143 log2f
1144 loongson
1145 lrint
1146 lrintf
1147 machine_ioctl_bt848_h
1148 machine_ioctl_meteor_h
1149 malloc_h
1150 MapViewOfFile
1151 memalign
1152 mkstemp
1153 mm_empty
1154 mmap
1155 nanosleep
1156 poll_h
1157 posix_memalign
1158 rdtsc
1159 rint
1160 round
1161 roundf
1162 rweflags
1163 sched_getaffinity
1164 sdl
1165 sdl_video_size
1166 setmode
1167 setrlimit
1168 Sleep
1169 sndio_h
1170 socklen_t
1171 soundcard_h
1172 strerror_r
1173 strptime
1174 strtok_r
1175 struct_addrinfo
1176 struct_group_source_req
1177 struct_ip_mreq_source
1178 struct_ipv6_mreq
1179 struct_pollfd
1180 struct_rusage_ru_maxrss
1181 struct_sockaddr_in6
1182 struct_sockaddr_sa_len
1183 struct_sockaddr_storage
1184 struct_v4l2_frmivalenum_discrete
1185 symver
1186 symver_asm_label
1187 symver_gnu_asm
1188 sysconf
1189 sysctl
1190 sys_mman_h
1191 sys_param_h
1192 sys_resource_h
1193 sys_select_h
1194 sys_soundcard_h
1195 sys_time_h
1196 sys_videoio_h
1197 threads
1198 trunc
1199 truncf
1200 unistd_h
1201 usleep
1202 vfp_args
1203 VirtualAlloc
1204 windows_h
1205 winsock2_h
1206 xform_asm
1207 xgetbv
1208 xmm_clobbers
1209 yasm
1210 "
1211
1212 # options emitted with CONFIG_ prefix but not available on command line
1213 CONFIG_EXTRA="
1214 aandcttables
1215 ac3dsp
1216 avutil
1217 error_resilience
1218 gcrypt
1219 golomb
1220 gplv3
1221 h264chroma
1222 h264dsp
1223 h264pred
1224 h264qpel
1225 huffman
1226 lgplv3
1227 lpc
1228 mpegaudiodsp
1229 mpegvideo
1230 mpegvideoenc
1231 nettle
1232 rangecoder
1233 rtpdec
1234 sinewin
1235 vp3dsp
1236 "
1237
1238 CMDLINE_SELECT="
1239 $ARCH_EXT_LIST
1240 $CONFIG_LIST
1241 $THREADS_LIST
1242 asm
1243 cross_compile
1244 debug
1245 extra_warnings
1246 logging
1247 optimizations
1248 symver
1249 yasm
1250 "
1251
1252 PATHS_LIST='
1253 bindir
1254 datadir
1255 incdir
1256 libdir
1257 mandir
1258 prefix
1259 shlibdir
1260 '
1261
1262 CMDLINE_SET="
1263 $PATHS_LIST
1264 ar
1265 arch
1266 as
1267 build_suffix
1268 cc
1269 cpu
1270 cross_prefix
1271 dep_cc
1272 extra_version
1273 host_cc
1274 host_cflags
1275 host_ldflags
1276 host_libs
1277 host_os
1278 ld
1279 logfile
1280 malloc_prefix
1281 nm
1282 optflags
1283 pkg_config
1284 random_seed
1285 samples
1286 sysinclude
1287 sysroot
1288 target_exec
1289 target_os
1290 target_path
1291 "
1292
1293 CMDLINE_APPEND="
1294 extra_cflags
1295 "
1296
1297 # code dependency declarations
1298
1299 # architecture extensions
1300
1301 armv5te_deps="arm"
1302 armv6_deps="arm"
1303 armv6t2_deps="arm"
1304 armvfp_deps="arm"
1305 neon_deps="arm"
1306 vfpv3_deps="armvfp"
1307
1308 mmi_deps="mips"
1309
1310 altivec_deps="ppc"
1311 ppc4xx_deps="ppc"
1312
1313 vis_deps="sparc"
1314
1315 x86_64_suggest="cmov fast_cmov"
1316 amd3dnow_deps="mmx"
1317 amd3dnowext_deps="amd3dnow"
1318 mmx_deps="x86"
1319 mmxext_deps="mmx"
1320 sse_deps="mmx"
1321 ssse3_deps="sse"
1322 avx_deps="ssse3"
1323 fma4_deps="avx"
1324
1325 aligned_stack_if_any="ppc x86"
1326 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1327 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1328 fast_unaligned_if_any="armv6 ppc x86"
1329
1330 inline_asm_deps="!tms470"
1331 need_memalign="altivec neon sse"
1332
1333 symver_if_any="symver_asm_label symver_gnu_asm"
1334
1335 # subsystems
1336 dct_select="rdft"
1337 mdct_select="fft"
1338 rdft_select="fft"
1339 mpegaudiodsp_select="dct"
1340 mpegvideoenc_select="mpegvideo"
1341
1342 # decoders / encoders / hardware accelerators
1343 aac_decoder_select="mdct sinewin"
1344 aac_encoder_select="mdct sinewin"
1345 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1346 ac3_decoder_select="mdct ac3dsp ac3_parser"
1347 ac3_encoder_select="mdct ac3dsp"
1348 ac3_fixed_encoder_select="mdct ac3dsp"
1349 alac_encoder_select="lpc"
1350 amrnb_decoder_select="lsp"
1351 amrwb_decoder_select="lsp"
1352 atrac1_decoder_select="mdct sinewin"
1353 atrac3_decoder_select="mdct"
1354 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1355 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1356 cavs_decoder_select="golomb mpegvideo"
1357 cook_decoder_select="mdct sinewin"
1358 cscd_decoder_suggest="zlib"
1359 dca_decoder_select="mdct"
1360 dnxhd_encoder_select="aandcttables mpegvideoenc"
1361 dxa_decoder_select="zlib"
1362 eac3_decoder_select="ac3_decoder"
1363 eac3_encoder_select="mdct ac3dsp"
1364 eamad_decoder_select="aandcttables error_resilience"
1365 eatgq_decoder_select="aandcttables"
1366 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1367 ffv1_decoder_select="golomb rangecoder"
1368 ffv1_encoder_select="rangecoder"
1369 flac_decoder_select="golomb"
1370 flac_encoder_select="golomb lpc"
1371 flashsv_decoder_select="zlib"
1372 flashsv_encoder_select="zlib"
1373 flashsv2_decoder_select="zlib"
1374 flv_decoder_select="h263_decoder"
1375 flv_encoder_select="h263_encoder"
1376 fraps_decoder_select="huffman"
1377 h261_decoder_select="error_resilience mpegvideo"
1378 h261_encoder_select="aandcttables mpegvideoenc"
1379 h263_decoder_select="error_resilience h263_parser mpegvideo"
1380 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1381 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1382 h263i_decoder_select="h263_decoder"
1383 h263p_encoder_select="h263_encoder"
1384 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1385 h264_dxva2_hwaccel_deps="dxva2api_h"
1386 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1387 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1388 h264_vda_hwaccel_select="vda h264_decoder"
1389 h264_vdpau_decoder_select="vdpau h264_decoder"
1390 iac_decoder_select="fft mdct sinewin"
1391 imc_decoder_select="fft mdct sinewin"
1392 jpegls_decoder_select="golomb"
1393 jpegls_encoder_select="golomb"
1394 ljpeg_encoder_select="aandcttables mpegvideoenc"
1395 loco_decoder_select="golomb"
1396 mdec_decoder_select="error_resilience mpegvideo"
1397 mjpeg_encoder_select="aandcttables mpegvideoenc"
1398 mlp_decoder_select="mlp_parser"
1399 mp1_decoder_select="mpegaudiodsp"
1400 mp1float_decoder_select="mpegaudiodsp"
1401 mp2_decoder_select="mpegaudiodsp"
1402 mp2float_decoder_select="mpegaudiodsp"
1403 mp3_decoder_select="mpegaudiodsp"
1404 mp3adu_decoder_select="mpegaudiodsp"
1405 mp3adufloat_decoder_select="mpegaudiodsp"
1406 mp3float_decoder_select="mpegaudiodsp"
1407 mp3on4_decoder_select="mpegaudiodsp"
1408 mp3on4float_decoder_select="mpegaudiodsp"
1409 mpc7_decoder_select="mpegaudiodsp"
1410 mpc8_decoder_select="mpegaudiodsp"
1411 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1412 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1413 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1414 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1415 mpeg1video_decoder_select="error_resilience mpegvideo"
1416 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1417 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1418 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1419 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1420 mpeg2video_decoder_select="error_resilience mpegvideo"
1421 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1422 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1423 mpeg4_encoder_select="h263_encoder"
1424 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1425 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1426 msmpeg4v1_decoder_select="h263_decoder"
1427 msmpeg4v1_encoder_select="h263_encoder"
1428 msmpeg4v2_decoder_select="h263_decoder"
1429 msmpeg4v2_encoder_select="h263_encoder"
1430 msmpeg4v3_decoder_select="h263_decoder"
1431 msmpeg4v3_encoder_select="h263_encoder"
1432 nellymoser_decoder_select="mdct sinewin"
1433 nellymoser_encoder_select="mdct sinewin"
1434 png_decoder_select="zlib"
1435 png_encoder_select="zlib"
1436 qcelp_decoder_select="lsp"
1437 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1438 ra_144_encoder_select="lpc"
1439 ralf_decoder_select="golomb"
1440 rv10_decoder_select="h263_decoder"
1441 rv10_encoder_select="h263_encoder"
1442 rv20_decoder_select="h263_decoder"
1443 rv20_encoder_select="h263_encoder"
1444 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1445 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1446 shorten_decoder_select="golomb"
1447 sipr_decoder_select="lsp"
1448 snow_decoder_select="dwt rangecoder"
1449 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1450 svq1_decoder_select="error_resilience mpegvideo"
1451 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1452 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1453 svq3_decoder_suggest="zlib"
1454 theora_decoder_select="vp3_decoder"
1455 tiff_decoder_suggest="zlib"
1456 tiff_encoder_suggest="zlib"
1457 truehd_decoder_select="mlp_decoder"
1458 tscc_decoder_select="zlib"
1459 twinvq_decoder_select="mdct lsp sinewin"
1460 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1461 vc1_dxva2_hwaccel_deps="dxva2api_h"
1462 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1463 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1464 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1465 vc1image_decoder_select="vc1_decoder"
1466 vorbis_decoder_select="mdct"
1467 vorbis_encoder_select="mdct"
1468 vp3_decoder_select="vp3dsp"
1469 vp5_decoder_select="vp3dsp"
1470 vp6_decoder_select="huffman vp3dsp"
1471 vp6a_decoder_select="vp6_decoder"
1472 vp6f_decoder_select="vp6_decoder"
1473 vp8_decoder_select="h264pred h264qpel"
1474 wmapro_decoder_select="mdct sinewin"
1475 wmav1_decoder_select="mdct sinewin"
1476 wmav1_encoder_select="mdct sinewin"
1477 wmav2_decoder_select="mdct sinewin"
1478 wmav2_encoder_select="mdct sinewin"
1479 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1480 wmv1_decoder_select="h263_decoder"
1481 wmv1_encoder_select="h263_encoder"
1482 wmv2_decoder_select="h263_decoder"
1483 wmv2_encoder_select="h263_encoder"
1484 wmv3_decoder_select="vc1_decoder"
1485 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1486 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1487 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1488 wmv3image_decoder_select="wmv3_decoder"
1489 zerocodec_decoder_select="zlib"
1490 zlib_decoder_select="zlib"
1491 zlib_encoder_select="zlib"
1492 zmbv_decoder_select="zlib"
1493 zmbv_encoder_select="zlib"
1494
1495 vaapi_deps="va_va_h"
1496 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1497 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1498
1499 # parsers
1500 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1501 mpeg4video_parser_select="error_resilience mpegvideo"
1502 mpegvideo_parser_select="error_resilience mpegvideo"
1503 vc1_parser_select="error_resilience mpegvideo"
1504
1505 # external libraries
1506 libfaac_encoder_deps="libfaac"
1507 libfdk_aac_encoder_deps="libfdk_aac"
1508 libgsm_decoder_deps="libgsm"
1509 libgsm_encoder_deps="libgsm"
1510 libgsm_ms_decoder_deps="libgsm"
1511 libgsm_ms_encoder_deps="libgsm"
1512 libilbc_decoder_deps="libilbc"
1513 libilbc_encoder_deps="libilbc"
1514 libmp3lame_encoder_deps="libmp3lame"
1515 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1516 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1517 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1518 libopenjpeg_decoder_deps="libopenjpeg"
1519 libopenjpeg_encoder_deps="libopenjpeg"
1520 libschroedinger_decoder_deps="libschroedinger"
1521 libschroedinger_encoder_deps="libschroedinger"
1522 libspeex_decoder_deps="libspeex"
1523 libspeex_encoder_deps="libspeex"
1524 libtheora_encoder_deps="libtheora"
1525 libvo_aacenc_encoder_deps="libvo_aacenc"
1526 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1527 libvorbis_encoder_deps="libvorbis"
1528 libvpx_decoder_deps="libvpx"
1529 libvpx_encoder_deps="libvpx"
1530 libx264_encoder_deps="libx264"
1531 libxavs_encoder_deps="libxavs"
1532 libxvid_encoder_deps="libxvid"
1533
1534 # demuxers / muxers
1535 ac3_demuxer_select="ac3_parser"
1536 asf_stream_muxer_select="asf_muxer"
1537 avisynth_demuxer_deps="avisynth"
1538 dirac_demuxer_select="dirac_parser"
1539 eac3_demuxer_select="ac3_parser"
1540 flac_demuxer_select="flac_parser"
1541 ipod_muxer_select="mov_muxer"
1542 matroska_audio_muxer_select="matroska_muxer"
1543 matroska_demuxer_suggest="zlib bzlib"
1544 mov_demuxer_suggest="zlib"
1545 mp3_demuxer_select="mpegaudio_parser"
1546 mp4_muxer_select="mov_muxer"
1547 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1548 mpegtsraw_demuxer_select="mpegts_demuxer"
1549 mxf_d10_muxer_select="mxf_muxer"
1550 ogg_demuxer_select="golomb"
1551 psp_muxer_select="mov_muxer"
1552 rtp_demuxer_select="sdp_demuxer"
1553 rtp_muxer_select="mpegvideo"
1554 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1555 rtsp_demuxer_select="http_protocol rtpdec"
1556 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1557 sap_demuxer_select="sdp_demuxer"
1558 sap_muxer_select="rtp_muxer rtp_protocol"
1559 sdp_demuxer_select="rtpdec"
1560 spdif_muxer_select="aac_parser"
1561 tg2_muxer_select="mov_muxer"
1562 tgp_muxer_select="mov_muxer"
1563 w64_demuxer_deps="wav_demuxer"
1564
1565 # indevs / outdevs
1566 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1567 alsa_outdev_deps="alsa_asoundlib_h"
1568 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1569 dv1394_indev_deps="dv1394 dv_demuxer"
1570 fbdev_indev_deps="linux_fb_h"
1571 jack_indev_deps="jack_jack_h"
1572 libcdio_indev_deps="libcdio"
1573 libdc1394_indev_deps="libdc1394"
1574 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1575 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1576 pulse_indev_deps="libpulse"
1577 sndio_indev_deps="sndio_h"
1578 sndio_outdev_deps="sndio_h"
1579 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1580 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1581 vfwcap_indev_extralibs="-lavicap32"
1582 x11grab_indev_deps="x11grab XShmCreateImage"
1583
1584 # protocols
1585 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1586 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1587 ffrtmpcrypt_protocol_select="tcp_protocol"
1588 ffrtmphttp_protocol_deps="!librtmp_protocol"
1589 ffrtmphttp_protocol_select="http_protocol"
1590 gopher_protocol_deps="network"
1591 httpproxy_protocol_deps="network"
1592 httpproxy_protocol_select="tcp_protocol"
1593 http_protocol_deps="network"
1594 http_protocol_select="tcp_protocol"
1595 https_protocol_select="tls_protocol"
1596 librtmp_protocol_deps="librtmp"
1597 librtmpe_protocol_deps="librtmp"
1598 librtmps_protocol_deps="librtmp"
1599 librtmpt_protocol_deps="librtmp"
1600 librtmpte_protocol_deps="librtmp"
1601 mmsh_protocol_select="http_protocol"
1602 mmst_protocol_deps="network"
1603 rtmp_protocol_deps="!librtmp_protocol"
1604 rtmp_protocol_select="tcp_protocol"
1605 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1606 rtmps_protocol_deps="!librtmp_protocol"
1607 rtmps_protocol_select="tls_protocol"
1608 rtmpt_protocol_select="ffrtmphttp_protocol"
1609 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1610 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1611 rtp_protocol_select="udp_protocol"
1612 sctp_protocol_deps="network struct_sctp_event_subscribe"
1613 tcp_protocol_deps="network"
1614 tls_protocol_deps_any="openssl gnutls"
1615 tls_protocol_select="tcp_protocol"
1616 udp_protocol_deps="network"
1617
1618 # filters
1619 blackframe_filter_deps="gpl"
1620 boxblur_filter_deps="gpl"
1621 cropdetect_filter_deps="gpl"
1622 delogo_filter_deps="gpl"
1623 drawtext_filter_deps="libfreetype"
1624 frei0r_filter_deps="frei0r dlopen strtok_r"
1625 frei0r_filter_extralibs='$ldl'
1626 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1627 frei0r_src_filter_extralibs='$ldl'
1628 hqdn3d_filter_deps="gpl"
1629 resample_filter_deps="avresample"
1630 ocv_filter_deps="libopencv"
1631 scale_filter_deps="swscale"
1632 yadif_filter_deps="gpl"
1633
1634 # libraries
1635 avdevice_deps="avcodec avformat"
1636 avformat_deps="avcodec"
1637
1638 # programs
1639 avconv_deps="avcodec avfilter avformat avresample swscale
1640 aformat_filter asyncts_filter
1641 format_filter fps_filter scale_filter setpts_filter"
1642 avplay_deps="avcodec avformat swscale sdl"
1643 avplay_select="rdft"
1644 avprobe_deps="avcodec avformat"
1645 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1646 avserver_extralibs='$ldl'
1647
1648 doc_deps="texi2html"
1649
1650 # tests
1651
1652 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1653 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1654
1655 test_deps(){
1656 suf1=$1
1657 suf2=$2
1658 shift 2
1659 for v; do
1660 dep=${v%=*}
1661 tests=${v#*=}
1662 for name in ${tests}; do
1663 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1664 done
1665 done
1666 }
1667
1668 test_deps _muxer _demuxer \
1669 aiff \
1670 pcm_alaw=alaw \
1671 asf \
1672 au \
1673 avi \
1674 dv=dv_fmt \
1675 ffm \
1676 flv=flv_fmt \
1677 gxf \
1678 matroska=mkv \
1679 mmf \
1680 mov \
1681 pcm_mulaw=mulaw \
1682 mxf="mxf mxf_d10" \
1683 nut \
1684 ogg \
1685 rawvideo=pixfmt \
1686 rm \
1687 swf \
1688 mpegts=ts \
1689 voc \
1690 wav \
1691 yuv4mpegpipe=yuv4mpeg \
1692
1693 # default parameters
1694
1695 logfile="config.log"
1696
1697 # installation paths
1698 prefix_default="/usr/local"
1699 bindir_default='${prefix}/bin'
1700 datadir_default='${prefix}/share/avconv'
1701 incdir_default='${prefix}/include'
1702 libdir_default='${prefix}/lib'
1703 mandir_default='${prefix}/share/man'
1704 shlibdir_default="$libdir_default"
1705
1706 # toolchain
1707 ar_default="ar"
1708 cc_default="gcc"
1709 host_cc_default="gcc"
1710 ln_s="ln -sf"
1711 nm_default="nm"
1712 objformat="elf"
1713 pkg_config_default=pkg-config
1714 ranlib="ranlib"
1715 yasmexe="yasm"
1716
1717 nm_opts='-g'
1718 nogas=":"
1719
1720 # machine
1721 arch_default=$(uname -m)
1722 cpu="generic"
1723
1724 # OS
1725 target_os_default=$(tolower $(uname -s))
1726 host_os=$target_os_default
1727
1728 # configurable options
1729 enable $PROGRAM_LIST
1730
1731 enable avcodec
1732 enable avdevice
1733 enable avfilter
1734 enable avformat
1735 enable avresample
1736 enable avutil
1737 enable swscale
1738
1739 enable asm
1740 enable debug
1741 enable doc
1742 enable fastdiv
1743 enable network
1744 enable optimizations
1745 enable safe_bitstream_reader
1746 enable static
1747 enable swscale_alpha
1748
1749 # build settings
1750 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1751 AVSERVERLDFLAGS=-Wl,-E
1752 LIBPREF="lib"
1753 LIBSUF=".a"
1754 FULLNAME='$(NAME)$(BUILDSUF)'
1755 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1756 SLIBPREF="lib"
1757 SLIBSUF=".so"
1758 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1759 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1760 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1761 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1762 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1763 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1764
1765 asflags_filter=echo
1766 cflags_filter=echo
1767 ldflags_filter=echo
1768
1769 AS_C='-c'
1770 AS_O='-o $@'
1771 CC_C='-c'
1772 CC_E='-E -o $@'
1773 CC_O='-o $@'
1774 LD_O='-o $@'
1775 HOSTCC_C='-c'
1776 HOSTCC_O='-o $@'
1777
1778 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1779 host_libs='-lm'
1780 host_cflags_filter=echo
1781 host_ldflags_filter=echo
1782
1783 target_path='$(CURDIR)'
1784
1785 # since the object filename is not given with the -MM flag, the compiler
1786 # is only able to print the basename, and we must add the path ourselves
1787 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1788 DEPFLAGS='-MM'
1789
1790 # find source path
1791 if test -f configure; then
1792 source_path=.
1793 else
1794 source_path=$(cd $(dirname "$0"); pwd)
1795 echo "$source_path" | grep -q '[[:blank:]]' &&
1796 die "Out of tree builds are impossible with whitespace in source path."
1797 test -e "$source_path/config.h" &&
1798 die "Out of tree builds are impossible with config.h in source dir."
1799 fi
1800
1801 for v in "$@"; do
1802 r=${v#*=}
1803 l=${v%"$r"}
1804 r=$(sh_quote "$r")
1805 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1806 done
1807
1808 find_things(){
1809 thing=$1
1810 pattern=$2
1811 file=$source_path/$3
1812 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1813 }
1814
1815 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1816 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1817 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1818 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1819 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1820 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1821 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1822 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1823 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1824 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1825 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1826
1827 ALL_COMPONENTS="
1828 $BSF_LIST
1829 $DECODER_LIST
1830 $DEMUXER_LIST
1831 $ENCODER_LIST
1832 $FILTER_LIST
1833 $HWACCEL_LIST
1834 $INDEV_LIST
1835 $MUXER_LIST
1836 $OUTDEV_LIST
1837 $PARSER_LIST
1838 $PROTOCOL_LIST
1839 "
1840
1841 find_tests(){
1842 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1843 }
1844
1845 LAVF_TESTS=$(find_tests lavf)
1846 LAVFI_TESTS=$(find_tests lavfi)
1847 SEEK_TESTS=$(find_tests seek seek_)
1848
1849 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1850
1851 for n in $COMPONENT_LIST; do
1852 v=$(toupper ${n%s})_LIST
1853 eval enable \$$v
1854 eval ${n}_if_any="\$$v"
1855 done
1856
1857 enable $ARCH_EXT_LIST $ALL_TESTS
1858
1859 die_unknown(){
1860 echo "Unknown option \"$1\"."
1861 echo "See $0 --help for available options."
1862 exit 1
1863 }
1864
1865 show_list() {
1866 suffix=_$1
1867 shift
1868 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1869 exit 0
1870 }
1871
1872 rand_list(){
1873 IFS=', '
1874 set -- $*
1875 unset IFS
1876 for thing; do
1877 comp=${thing%:*}
1878 prob=${thing#$comp}
1879 prob=${prob#:}
1880 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1881 echo "prob ${prob:-0.5}"
1882 printf '%s\n' $comp
1883 done
1884 }
1885
1886 do_random(){
1887 action=$1
1888 shift
1889 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1890 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1891 }
1892
1893 for opt do
1894 optval="${opt#*=}"
1895 case "$opt" in
1896 --extra-ldflags=*) add_ldflags $optval
1897 ;;
1898 --extra-libs=*) add_extralibs $optval
1899 ;;
1900 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1901 ;;
1902 --enable-debug=*) debuglevel="$optval"
1903 ;;
1904 --disable-everything)
1905 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1906 ;;
1907 --enable-random|--disable-random)
1908 action=${opt%%-random}
1909 do_random ${action#--} $COMPONENT_LIST
1910 ;;
1911 --enable-random=*|--disable-random=*)
1912 action=${opt%%-random=*}
1913 do_random ${action#--} $optval
1914 ;;
1915 --enable-*=*|--disable-*=*)
1916 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1917 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1918 eval list=\$$(toupper $thing)_LIST
1919 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1920 $action $(filter "$name" $list)
1921 ;;
1922 --enable-?*|--disable-?*)
1923 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1924 if is_in $option $COMPONENT_LIST; then
1925 test $action = disable && action=unset
1926 eval $action \$$(toupper ${option%s})_LIST
1927 elif is_in $option $CMDLINE_SELECT; then
1928 $action $option
1929 else
1930 die_unknown $opt
1931 fi
1932 ;;
1933 --list-*)
1934 NAME="${opt#--list-}"
1935 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1936 NAME=${NAME%s}
1937 eval show_list $NAME \$$(toupper $NAME)_LIST
1938 ;;
1939 --help|-h) show_help
1940 ;;
1941 *)
1942 optname="${opt%%=*}"
1943 optname="${optname#--}"
1944 optname=$(echo "$optname" | sed 's/-/_/g')
1945 if is_in $optname $CMDLINE_SET; then
1946 eval $optname='$optval'
1947 elif is_in $optname $CMDLINE_APPEND; then
1948 append $optname "$optval"
1949 else
1950 die_unknown $opt
1951 fi
1952 ;;
1953 esac
1954 done
1955
1956 disabled logging && logfile=/dev/null
1957
1958 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1959 set >> $logfile
1960
1961 test -n "$cross_prefix" && enable cross_compile
1962
1963 if enabled cross_compile; then
1964 test -n "$arch" && test -n "$target_os" ||
1965 die "Must specify target arch and OS when cross-compiling"
1966 fi
1967
1968 set_default arch target_os
1969
1970 ar_default="${cross_prefix}${ar_default}"
1971 cc_default="${cross_prefix}${cc_default}"
1972 nm_default="${cross_prefix}${nm_default}"
1973 pkg_config_default="${cross_prefix}${pkg_config_default}"
1974 ranlib="${cross_prefix}${ranlib}"
1975
1976 sysinclude_default="${sysroot}/usr/include"
1977
1978 set_default cc nm pkg_config sysinclude
1979 enabled cross_compile || host_cc_default=$cc
1980 set_default host_cc
1981
1982 if ! $pkg_config --version >/dev/null 2>&1; then
1983 warn "$pkg_config not found, library detection may fail."
1984 pkg_config=false
1985 fi
1986
1987 exesuf() {
1988 case $1 in
1989 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1990 esac
1991 }
1992
1993 EXESUF=$(exesuf $target_os)
1994 HOSTEXESUF=$(exesuf $host_os)
1995
1996 # set temporary file name
1997 : ${TMPDIR:=$TEMPDIR}
1998 : ${TMPDIR:=$TMP}
1999 : ${TMPDIR:=/tmp}
2000
2001 if ! check_cmd mktemp -u XXXXXX; then
2002 # simple replacement for missing mktemp
2003 # NOT SAFE FOR GENERAL USE
2004 mktemp(){
2005 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2006 }
2007 fi
2008
2009 tmpfile(){
2010 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2011 (set -C; exec > $tmp) 2>/dev/null ||
2012 die "Unable to create temporary file in $TMPDIR."
2013 append TMPFILES $tmp
2014 eval $1=$tmp
2015 }
2016
2017 trap 'rm -f -- $TMPFILES' EXIT
2018
2019 tmpfile TMPASM .asm
2020 tmpfile TMPC .c
2021 tmpfile TMPE $EXESUF
2022 tmpfile TMPH .h
2023 tmpfile TMPO .o
2024 tmpfile TMPS .S
2025 tmpfile TMPSH .sh
2026 tmpfile TMPV .ver
2027
2028 unset -f mktemp
2029
2030 chmod +x $TMPE
2031
2032 # make sure we can execute files in $TMPDIR
2033 cat > $TMPSH 2>> $logfile <<EOF
2034 #! /bin/sh
2035 EOF
2036 chmod +x $TMPSH >> $logfile 2>&1
2037 if ! $TMPSH >> $logfile 2>&1; then
2038 cat <<EOF
2039 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2040 variable to another directory and make sure that it is not mounted noexec.
2041 EOF
2042 die "Sanity test failed."
2043 fi
2044
2045 pgi_flags(){
2046 for flag; do
2047 case $flag in
2048 -fomit-frame-pointer) echo -Mnoframe ;;
2049 -g) echo -gopt ;;
2050 *) echo $flag ;;
2051 esac
2052 done
2053 }
2054
2055 suncc_flags(){
2056 for flag; do
2057 case $flag in
2058 -march=*|-mcpu=*)
2059 case "${flag#*=}" in
2060 native) echo -xtarget=native ;;
2061 v9|niagara) echo -xarch=sparc ;;
2062 ultrasparc) echo -xarch=sparcvis ;;
2063 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2064 i586|pentium) echo -xchip=pentium ;;
2065 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2066 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2067 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2068 pentium4*) echo -xtarget=pentium4 ;;
2069 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2070 *-sse3) echo -xarch=sse3 ;;
2071 core2) echo -xarch=ssse3 -xchip=core2 ;;
2072 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2073 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2074 k8|opteron|athlon64|athlon-fx)
2075 echo -xarch=sse2a ;;
2076 athlon*) echo -xarch=pentium_proa ;;
2077 esac
2078 ;;
2079 -std=c99) echo -xc99 ;;
2080 -fomit-frame-pointer) echo -xregs=frameptr ;;
2081 -fPIC) echo -KPIC -xcode=pic32 ;;
2082 -W*,*) echo $flag ;;
2083 -f*-*|-W*) ;;
2084 *) echo $flag ;;
2085 esac
2086 done
2087 }
2088
2089 tms470_flags(){
2090 for flag; do
2091 case $flag in
2092 -march=*|-mcpu=*)
2093 case "${flag#*=}" in
2094 armv7-a|cortex-a*) echo -mv=7a8 ;;
2095 armv7-r|cortex-r*) echo -mv=7r4 ;;
2096 armv7-m|cortex-m*) echo -mv=7m3 ;;
2097 armv6*|arm11*) echo -mv=6 ;;
2098 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2099 echo -mv=5e ;;
2100 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2101 esac
2102 ;;
2103 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2104 -mfpu=vfp) echo --float_support=vfpv2 ;;
2105 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2106 -msoft-float) echo --float_support=vfplib ;;
2107 -O[0-3]|-mf=*) echo $flag ;;
2108 -g) echo -g -mn ;;
2109 -pds=*) echo $flag ;;
2110 -D*|-I*) echo $flag ;;
2111 --gcc|--abi=*) echo $flag ;;
2112 -me) echo $flag ;;
2113 esac
2114 done
2115 }
2116
2117 probe_cc(){
2118 pfx=$1
2119 _cc=$2
2120
2121 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
2122 unset _depflags _DEPCMD _DEPFLAGS
2123 _flags_filter=echo
2124
2125 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2126 _type=llvm_gcc
2127 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2128 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2129 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2130 _cflags_speed='-O3'
2131 _cflags_size='-Os'
2132 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2133 _type=gcc
2134 gcc_version=$($_cc --version | head -n1)
2135 gcc_basever=$($_cc -dumpversion)
2136 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2137 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2138 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2139 if ! $_cc -dumpversion | grep -q '^2\.'; then
2140 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2141 fi
2142 _cflags_speed='-O3'
2143 _cflags_size='-Os'
2144 elif $_cc --version 2>/dev/null | grep -q Intel; then
2145 _type=icc
2146 _ident=$($_cc --version | head -n1)
2147 _depflags='-MMD'
2148 _cflags_speed='-O3'
2149 _cflags_size='-Os'
2150 _cflags_noopt='-O1'
2151 elif $_cc -v 2>&1 | grep -q xlc; then
2152 _type=xlc
2153 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2154 _cflags_speed='-O5'
2155 _cflags_size='-O5 -qcompact'
2156 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2157 _type=ccc
2158 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2159 _DEPFLAGS='-M'
2160 debuglevel=3
2161 _ldflags='-Wl,-z,now' # calls to libots crash without this
2162 _cflags_speed='-fast'
2163 _cflags_size='-O1'
2164 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2165 test -d "$sysroot" || die "No valid sysroot specified."
2166 _type=armcc
2167 _ident=$($_cc --vsn | head -n1)
2168 armcc_conf="$PWD/armcc.conf"
2169 $_cc --arm_linux_configure \
2170 --arm_linux_config_file="$armcc_conf" \
2171 --configure_sysroot="$sysroot" \
2172 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2173 die "Error creating armcc configuration file."
2174 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2175 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2176 as_default="${cross_prefix}gcc"
2177 _depflags='-MMD'
2178 _cflags_speed='-O3'
2179 _cflags_size='-Os'
2180 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2181 _type=tms470
2182 _ident=$($_cc -version | head -n1 | tr -s ' ')
2183 _flags='--gcc --abi=eabi -me'
2184 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2185 _cc_e='-ppl -fe=$@'
2186 _cc_o='-fe=$@'
2187 as_default="${cross_prefix}gcc"
2188 ld_default="${cross_prefix}gcc"
2189 _depflags='-ppa -ppd=$(@:.o=.d)'
2190 _cflags_speed='-O3 -mf=5'
2191 _cflags_size='-O3 -mf=2'
2192 _flags_filter=tms470_flags
2193 elif $_cc -v 2>&1 | grep -q clang; then
2194 _type=clang
2195 _ident=$($_cc --version | head -n1)
2196 _depflags='-MMD'
2197 _cflags_speed='-O3'
2198 _cflags_size='-Os'
2199 elif $_cc -V 2>&1 | grep -q Sun; then
2200 _type=suncc
2201 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2202 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2203 _DEPFLAGS='-xM1 -xc99'
2204 _ldflags='-std=c99'
2205 _cflags_speed='-O5'
2206 _cflags_size='-O5 -xspace'
2207 _flags_filter=suncc_flags
2208 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2209 _type=pathscale
2210 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2211 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2212 _cflags_speed='-O2'
2213 _cflags_size='-Os'
2214 _flags_filter='filter_out -Wdisabled-optimization'
2215 elif $_cc -v 2>&1 | grep -q Open64; then
2216 _type=open64
2217 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2218 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2219 _cflags_speed='-O2'
2220 _cflags_size='-Os'
2221 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2222 elif $_cc -V 2>&1 | grep -q Portland; then
2223 _type=pgi
2224 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2225 opt_common='-alias=ansi -Mlre -Mpre'
2226 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2227 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2228 _cflags_noopt="-O1"
2229 _flags_filter=pgi_flags
2230 fi
2231
2232 eval ${pfx}_type=\$_type
2233 eval ${pfx}_ident=\$_ident
2234 }
2235
2236 set_ccvars(){
2237 eval ${1}_C=\${_cc_c-\${${1}_C}}
2238 eval ${1}_E=\${_cc_e-\${${1}_E}}
2239 eval ${1}_O=\${_cc_o-\${${1}_O}}
2240
2241 if [ -n "$_depflags" ]; then
2242 eval ${1}_DEPFLAGS=\$_depflags
2243 else
2244 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2245 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2246 eval DEP${1}FLAGS=\$_flags
2247 fi
2248 }
2249
2250 probe_cc cc "$cc"
2251 cflags_filter=$_flags_filter
2252 cflags_speed=$_cflags_speed
2253 cflags_size=$_cflags_size
2254 cflags_noopt=$_cflags_noopt
2255 add_cflags $_flags $_cflags
2256 cc_ldflags=$_ldflags
2257 set_ccvars CC
2258
2259 probe_cc hostcc "$host_cc"
2260 host_cflags_filter=$_flags_filter
2261 host_ldflags_filter=$_flags_filter
2262 add_host_cflags $_flags $_cflags
2263 add_host_ldflags $_flags $_ldflags
2264 set_ccvars HOSTCC
2265
2266 test -n "$cc_type" && enable $cc_type ||
2267 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2268
2269 : ${as_default:=$cc}
2270 : ${dep_cc_default:=$cc}
2271 : ${ld_default:=$cc}
2272 set_default ar as dep_cc ld
2273
2274 probe_cc as "$as"
2275 asflags_filter=$_flags_filter
2276 add_asflags $_flags $_cflags
2277 set_ccvars AS
2278
2279 probe_cc ld "$ld"
2280 ldflags_filter=$_flags_filter
2281 add_ldflags $_flags $_ldflags
2282 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2283 LD_O=${_cc_o-$LD_O}
2284
2285 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2286 probe_cc depcc "$dep_cc"
2287 CCDEP=${_DEPCMD:-$DEPCMD}
2288 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2289 DEPCCFLAGS=$_flags
2290 fi
2291
2292 add_cflags $extra_cflags
2293 add_asflags $extra_cflags
2294
2295 if test -n "$sysroot"; then
2296 case "$cc_type" in
2297 gcc|llvm_gcc|clang)
2298 add_cppflags --sysroot="$sysroot"
2299 add_ldflags --sysroot="$sysroot"
2300 ;;
2301 tms470)
2302 add_cppflags -I"$sysinclude"
2303 add_ldflags --sysroot="$sysroot"
2304 ;;
2305 esac
2306 fi
2307
2308 if test "$cpu" = host; then
2309 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2310
2311 case "$cc_type" in
2312 gcc|llvm_gcc)
2313 check_native(){
2314 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2315 sed -n "/cc1.*$1=/{
2316 s/.*$1=\\([^ ]*\\).*/\\1/
2317 p
2318 q
2319 }" $TMPE
2320 }
2321 cpu=$(check_native -march || check_native -mcpu)
2322 ;;
2323 esac
2324
2325 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2326 fi
2327
2328 # Deal with common $arch aliases
2329 case "$arch" in
2330 arm*)
2331 arch="arm"
2332 ;;
2333 mips|mipsel|IP*)
2334 arch="mips"
2335 ;;
2336 mips64*)
2337 arch="mips"
2338 subarch="mips64"
2339 ;;
2340 parisc|hppa)
2341 arch="parisc"
2342 ;;
2343 parisc64|hppa64)
2344 arch="parisc"
2345 subarch="parisc64"
2346 ;;
2347 "Power Macintosh"|ppc|powerpc)
2348 arch="ppc"
2349 ;;
2350 ppc64|powerpc64)
2351 arch="ppc"
2352 subarch="ppc64"
2353 ;;
2354 s390|s390x)
2355 arch="s390"
2356 ;;
2357 sh4|sh)
2358 arch="sh4"
2359 ;;
2360 sun4u|sparc64)
2361 arch="sparc"
2362 subarch="sparc64"
2363 ;;
2364 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2365 arch="x86"
2366 ;;
2367 esac
2368
2369 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2370 enable $arch
2371
2372 # Add processor-specific flags
2373 if test "$cpu" = generic; then
2374 : do nothing
2375 elif enabled ppc; then
2376
2377 case $(tolower $cpu) in
2378 601|ppc601|powerpc601)
2379 cpuflags="-mcpu=601"
2380 disable altivec
2381 ;;
2382 603*|ppc603*|powerpc603*)
2383 cpuflags="-mcpu=603"
2384 disable altivec
2385 ;;
2386 604*|ppc604*|powerpc604*)
2387 cpuflags="-mcpu=604"
2388 disable altivec
2389 ;;
2390 g3|75*|ppc75*|powerpc75*)
2391 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2392 disable altivec
2393 ;;
2394 g4|745*|ppc745*|powerpc745*)
2395 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2396 ;;
2397 74*|ppc74*|powerpc74*)
2398 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2399 ;;
2400 g5|970|ppc970|powerpc970)
2401 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2402 ;;
2403 power[3-7]*)
2404 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2405 ;;
2406 cell)
2407 cpuflags="-mcpu=cell"
2408 enable ldbrx
2409 ;;
2410 e500mc)
2411 cpuflags="-mcpu=e500mc"
2412 disable altivec
2413 ;;
2414 e500v2)
2415 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2416 disable altivec
2417 ;;
2418 e500)
2419 cpuflags="-mcpu=8540 -mhard-float"
2420 disable altivec
2421 ;;
2422 esac
2423
2424 elif enabled x86; then
2425
2426 case $cpu in
2427 i[345]86|pentium)
2428 cpuflags="-march=$cpu"
2429 disable mmx
2430 ;;
2431 # targets that do NOT support conditional mov (cmov)
2432 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2433 cpuflags="-march=$cpu"
2434 disable cmov
2435 ;;
2436 # targets that do support conditional mov (cmov)
2437 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2438 cpuflags="-march=$cpu"
2439 enable cmov
2440 enable fast_cmov
2441 ;;
2442 # targets that do support conditional mov but on which it's slow
2443 pentium4|pentium4m|prescott|nocona)
2444 cpuflags="-march=$cpu"
2445 enable cmov
2446 disable fast_cmov
2447 ;;
2448 esac
2449
2450 elif enabled sparc; then
2451
2452 case $cpu in
2453 niagara)
2454 cpuflags="-mcpu=$cpu"
2455 disable vis
2456 ;;
2457 sparc64)
2458 cpuflags="-mcpu=v9"
2459 ;;
2460 esac
2461
2462 elif enabled arm; then
2463
2464 case $cpu in
2465 armv*)
2466 cpuflags="-march=$cpu"
2467 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2468 ;;
2469 *)
2470 cpuflags="-mcpu=$cpu"
2471 case $cpu in
2472 cortex-a*) subarch=armv7a ;;
2473 cortex-r*) subarch=armv7r ;;
2474 cortex-m*) enable thumb; subarch=armv7m ;;
2475 arm11*) subarch=armv6 ;;
2476 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2477 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2478 esac
2479 ;;
2480 esac
2481
2482 elif enabled alpha; then
2483
2484 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2485
2486 elif enabled bfin; then
2487
2488 cpuflags="-mcpu=$cpu"
2489
2490 elif enabled mips; then
2491
2492 cpuflags="-march=$cpu"
2493
2494 elif enabled avr32; then
2495
2496 case $cpu in
2497 ap7[02]0[0-2])
2498 subarch="avr32_ap"
2499 cpuflags="-mpart=$cpu"
2500 ;;
2501 ap)
2502 subarch="avr32_ap"
2503 cpuflags="-march=$cpu"
2504 ;;
2505 uc3[ab]*)
2506 subarch="avr32_uc"
2507 cpuflags="-mcpu=$cpu"
2508 ;;
2509 uc)
2510 subarch="avr32_uc"
2511 cpuflags="-march=$cpu"
2512 ;;
2513 esac
2514
2515 fi
2516
2517 add_cflags $cpuflags
2518 add_asflags $cpuflags
2519
2520 # compiler sanity check
2521 check_exec <<EOF
2522 int main(void){ return 0; }
2523 EOF
2524 if test "$?" != 0; then
2525 echo "$cc is unable to create an executable file."
2526 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2527 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2528 echo "Only do this if you know what cross compiling means."
2529 fi
2530 die "C compiler test failed."
2531 fi
2532
2533 add_cppflags -D_ISOC99_SOURCE
2534 check_cflags -std=c99
2535 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2536 #include <stdlib.h>
2537 EOF
2538 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2539 #include <stdlib.h>
2540 EOF
2541
2542 check_host_cflags -std=c99
2543 check_host_cflags -Wall
2544
2545 case "$arch" in
2546 alpha|ia64|mips|parisc|sparc)
2547 spic=$shared
2548 ;;
2549 x86)
2550 subarch="x86_32"
2551 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2552 if test "$subarch" = "x86_64"; then
2553 spic=$shared
2554 fi
2555 ;;
2556 esac
2557
2558 enable $subarch
2559 enabled spic && enable pic
2560
2561 # OS specific
2562 case $target_os in
2563 haiku)
2564 prefix_default="/boot/common"
2565 network_extralibs="-lnetwork"
2566 host_libs=
2567 ;;
2568 sunos)
2569 AVSERVERLDFLAGS=""
2570 SHFLAGS='-shared -Wl,-h,$$(@F)'
2571 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2572 network_extralibs="-lsocket -lnsl"
2573 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2574 # When using suncc to build, the Solaris linker will mark
2575 # an executable with each instruction set encountered by
2576 # the Solaris assembler. As our libraries contain their own
2577 # guards for processor-specific code, instead suppress
2578 # generation of the HWCAPS ELF section on Solaris x86 only.
2579 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2580 nm_opts='-P -g'
2581 ;;
2582 netbsd)
2583 disable symver
2584 oss_indev_extralibs="-lossaudio"
2585 oss_outdev_extralibs="-lossaudio"
2586 ;;
2587 openbsd)
2588 # On OpenBSD 4.5. the compiler does not use PIC unless
2589 # explicitly using -fPIC. Libav builds fine without PIC,
2590 # however the generated executable will not do anything
2591 # (simply quits with exit-code 1, no crash, no output).
2592 # Thus explicitly enable PIC here.
2593 enable pic
2594 disable symver
2595 SHFLAGS='-shared'
2596 oss_indev_extralibs="-lossaudio"
2597 oss_outdev_extralibs="-lossaudio"
2598 ;;
2599 dragonfly)
2600 disable symver
2601 ;;
2602 freebsd)
2603 ;;
2604 bsd/os)
2605 add_extralibs -lpoll -lgnugetopt
2606 ;;
2607 darwin)
2608 gas="gas-preprocessor.pl $cc"
2609 enabled ppc && add_asflags -force_cpusubtype_ALL
2610 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2611 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2612 add_ldflags -Wl,-dynamic,-search_paths_first
2613 SLIBSUF=".dylib"
2614 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2615 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2616 AVSERVERLDFLAGS=-Wl,-bind_at_load
2617 objformat="macho"
2618 enabled x86_64 && objformat="macho64"
2619 enabled_any pic shared ||
2620 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2621 ;;
2622 mingw32*)
2623 if test $target_os = "mingw32ce"; then
2624 disable network
2625 else
2626 target_os=mingw32
2627 fi
2628 LIBTARGET=i386
2629 if enabled x86_64; then
2630 LIBTARGET="i386:x86-64"
2631 elif enabled arm; then
2632 LIBTARGET=arm-wince
2633 fi
2634 shlibdir_default="$bindir_default"
2635 SLIBPREF=""
2636 SLIBSUF=".dll"
2637 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2638 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2639 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2640 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2641 SLIB_INSTALL_LINKS=
2642 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2643 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2644 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'
2645 objformat="win32"
2646 dlltool="${cross_prefix}dlltool"
2647 enable dos_paths
2648 check_cflags -fno-common
2649 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2650 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2651 die "ERROR: MinGW runtime version must be >= 3.15."
2652 add_cppflags -U__STRICT_ANSI__
2653 ;;
2654 cygwin*)
2655 target_os=cygwin
2656 shlibdir_default="$bindir_default"
2657 SLIBPREF="cyg"
2658 SLIBSUF=".dll"
2659 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2660 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2661 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2662 SLIB_INSTALL_LINKS=
2663 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2664 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2665 objformat="win32"
2666 enable dos_paths
2667 check_cflags -fno-common
2668 add_cppflags -U__STRICT_ANSI__
2669 ;;
2670 *-dos|freedos|opendos)
2671 network_extralibs="-lsocket"
2672 objformat="coff"
2673 enable dos_paths
2674 add_cppflags -U__STRICT_ANSI__
2675 ;;
2676 linux)
2677 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2678 enable dv1394
2679 ;;
2680 irix*)
2681 target_os=irix
2682 ranlib="echo ignoring ranlib"
2683 ;;
2684 os/2*)
2685 ln_s="cp -f"
2686 objformat="aout"
2687 add_cppflags -D_GNU_SOURCE
2688 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2689 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2690 AVSERVERLDFLAGS=""
2691 LIBSUF="_s.a"
2692 SLIBPREF=""
2693 SLIBSUF=".dll"
2694 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2695 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2696 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2697 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2698 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2699 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2700 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2701 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2702 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2703 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2704 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2705 enable dos_paths
2706 ;;
2707 gnu/kfreebsd)
2708 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2709 ;;
2710 gnu)
2711 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2712 ;;
2713 qnx)
2714 add_cppflags -D_QNX_SOURCE
2715 network_extralibs="-lsocket"
2716 ;;
2717 symbian)
2718 SLIBSUF=".dll"
2719 enable dos_paths
2720 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2721 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2722 add_ldflags -Wl,--target1-abs,--no-undefined \
2723 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2724 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2725 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2726 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2727 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2728 ;;
2729 none)
2730 ;;
2731 *)
2732 die "Unknown OS '$target_os'."
2733 ;;
2734 esac
2735
2736 esc(){
2737 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2738 }
2739
2740 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2741
2742 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2743
2744 set_default $PATHS_LIST
2745
2746 # we need to build at least one lib type
2747 if ! enabled_any static shared; then
2748 cat <<EOF
2749 At least one library type must be built.
2750 Specify --enable-static to build the static libraries or --enable-shared to
2751 build the shared libraries as well. To only build the shared libraries specify
2752 --disable-static in addition to --enable-shared.
2753 EOF
2754 exit 1;
2755 fi
2756
2757 die_license_disabled() {
2758 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2759 }
2760
2761 die_license_disabled gpl libcdio
2762 die_license_disabled gpl libx264
2763 die_license_disabled gpl libxavs
2764 die_license_disabled gpl libxvid
2765 die_license_disabled gpl x11grab
2766
2767 die_license_disabled nonfree libfaac
2768 die_license_disabled nonfree libfdk_aac
2769 die_license_disabled nonfree openssl
2770
2771 die_license_disabled version3 libopencore_amrnb
2772 die_license_disabled version3 libopencore_amrwb
2773 die_license_disabled version3 libvo_aacenc
2774 die_license_disabled version3 libvo_amrwbenc
2775
2776 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2777
2778 disabled optimizations || check_cflags -fomit-frame-pointer
2779
2780 enable_pic() {
2781 enable pic
2782 add_cppflags -DPIC
2783 add_cflags -fPIC
2784 add_asflags -fPIC
2785 }
2786
2787 enabled pic && enable_pic
2788
2789 check_cc <<EOF || die "Symbol mangling check failed."
2790 int ff_extern;
2791 EOF
2792 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2793 extern_prefix=${sym%%ff_extern*}
2794
2795 check_cc <<EOF && enable inline_asm
2796 void foo(void) { __asm__ volatile ("" ::); }
2797 EOF
2798
2799 _restrict=
2800 for restrict_keyword in restrict __restrict__ __restrict; do
2801 check_cc <<EOF && _restrict=$restrict_keyword && break
2802 void foo(char * $restrict_keyword p);
2803 EOF
2804 done
2805
2806 check_cc <<EOF && enable attribute_packed
2807 struct { int x; } __attribute__((packed)) x;
2808 EOF
2809
2810 check_cc <<EOF && enable attribute_may_alias
2811 union { int x; } __attribute__((may_alias)) x;
2812 EOF
2813
2814 check_cc <<EOF || die "endian test failed"
2815 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2816 EOF
2817 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2818
2819 if enabled alpha; then
2820
2821 check_cflags -mieee
2822
2823 elif enabled arm; then
2824
2825 enabled thumb && check_cflags -mthumb || check_cflags -marm
2826 nogas=die
2827
2828 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2829 enable vfp_args
2830 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2831 case "${cross_prefix:-$cc}" in
2832 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2833 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2834 __asm__ (".eabi_attribute 28, 1");
2835 int main(void) { return 0; }
2836 EOF
2837 esac
2838 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2839 fi
2840
2841 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2842 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2843 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2844 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2845 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2846 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
2847
2848 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2849 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2850
2851 enabled_all armv6t2 shared !pic && enable_pic
2852
2853 elif enabled mips; then
2854
2855 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2856 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
2857
2858 elif enabled ppc; then
2859
2860 enable local_aligned_8 local_aligned_16
2861
2862 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2863 check_inline_asm ibm_asm '"add 0, 0, 0"'
2864 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
2865 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2866
2867 # AltiVec flags: The FSF version of GCC differs from the Apple version
2868 if enabled altivec; then
2869 nogas=warn
2870 check_cflags -maltivec -mabi=altivec &&
2871 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2872 check_cflags -faltivec
2873
2874 # check if our compiler supports Motorola AltiVec C API
2875 check_cc <<EOF || disable altivec
2876 $inc_altivec_h
2877 int main(void) {
2878 vector signed int v1 = (vector signed int) { 0 };
2879 vector signed int v2 = (vector signed int) { 1 };
2880 v1 = vec_add(v1, v2);
2881 return 0;
2882 }
2883 EOF
2884
2885 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
2886 fi
2887
2888 elif enabled sparc; then
2889
2890 enabled vis &&
2891 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2892 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2893
2894 elif enabled x86; then
2895
2896 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
2897 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
2898 check_code ld intrin.h "__rdtsc()" && enable rdtsc
2899 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
2900
2901 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2902
2903 enable local_aligned_8 local_aligned_16
2904
2905 # check whether EBP is available on x86
2906 # As 'i' is stored on the stack, this program will crash
2907 # if the base pointer is used to access it because the
2908 # base pointer is cleared in the inline assembly code.
2909 check_exec_crash <<EOF && enable ebp_available
2910 volatile int i=0;
2911 __asm__ volatile (
2912 "xorl %%ebp, %%ebp"
2913 ::: "%ebp");
2914 return i;
2915 EOF
2916
2917 # check whether EBX is available on x86
2918 check_inline_asm ebx_available '""::"b"(0)' &&
2919 check_inline_asm ebx_available '"":::"%ebx"'
2920
2921 # check whether xmm clobbers are supported
2922 check_inline_asm xmm_clobbers '"":::"%xmm0"'
2923
2924 # check whether binutils is new enough to compile SSSE3/MMXEXT
2925 enabled ssse3 && check_inline_asm ssse3 '"pabsw %xmm0, %xmm0"'
2926 enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
2927
2928 if ! disabled_any asm mmx yasm; then
2929 if check_cmd $yasmexe --version; then
2930 enabled x86_64 && yasm_extra="-m amd64"
2931 yasm_debug="-g dwarf2"
2932 elif check_cmd nasm -v; then
2933 yasmexe=nasm
2934 yasm_debug="-g -F dwarf"
2935 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2936 fi
2937
2938 YASMFLAGS="-f $objformat $yasm_extra"
2939 enabled pic && append YASMFLAGS "-DPIC"
2940 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2941 case "$objformat" in
2942 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2943 esac
2944
2945 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2946 die "yasm not found, use --disable-yasm for a crippled build"
2947 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2948 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
2949 check_yasm "CPU amdnop" && enable cpunop
2950 fi
2951
2952 case "$cpu" in
2953 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2954 disable fast_clz
2955 ;;
2956 esac
2957
2958 fi
2959
2960 if enabled asm; then
2961 as=${gas:=$as}
2962 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2963 $nogas "GNU assembler not found, install gas-preprocessor"
2964 fi
2965
2966 check_ldflags -Wl,--as-needed
2967
2968 if check_func dlopen; then
2969 ldl=
2970 elif check_func dlopen -ldl; then
2971 ldl=-ldl
2972 fi
2973
2974 if enabled network; then
2975 check_type "sys/types.h sys/socket.h" socklen_t
2976 check_type netdb.h "struct addrinfo"
2977 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
2978 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
2979 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2980 check_type netinet/in.h "struct sockaddr_in6"
2981 check_type poll.h "struct pollfd"
2982 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2983 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2984 check_type netinet/sctp.h "struct sctp_event_subscribe"
2985 check_func getaddrinfo $network_extralibs
2986 # Prefer arpa/inet.h over winsock2
2987 if check_header arpa/inet.h ; then
2988 check_func closesocket
2989 elif check_header winsock2.h ; then
2990 check_func_headers winsock2.h closesocket -lws2 &&
2991 network_extralibs="-lws2" ||
2992 { check_func_headers winsock2.h closesocket -lws2_32 &&
2993 network_extralibs="-lws2_32"; }
2994 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2995 check_type ws2tcpip.h socklen_t
2996 check_type ws2tcpip.h "struct addrinfo"
2997 check_type ws2tcpip.h "struct group_source_req"
2998 check_type ws2tcpip.h "struct ip_mreq_source"
2999 check_type ws2tcpip.h "struct ipv6_mreq"
3000 check_type winsock2.h "struct pollfd"
3001 check_type ws2tcpip.h "struct sockaddr_in6"
3002 check_type ws2tcpip.h "struct sockaddr_storage"
3003 check_struct winsock2.h "struct sockaddr" sa_len
3004 else
3005 disable network
3006 fi
3007 fi
3008
3009 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3010 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3011
3012 check_func fcntl
3013 check_func fork
3014 check_func gethrtime
3015 check_func getopt
3016 check_func getrusage
3017 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3018 check_func gettimeofday
3019 check_func inet_aton $network_extralibs
3020 check_func isatty
3021 check_func localtime_r
3022 check_func ${malloc_prefix}memalign && enable memalign
3023 check_func mkstemp
3024 check_func mmap
3025 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3026 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3027 check_func setrlimit
3028 check_func strerror_r
3029 check_func strptime
3030 check_func strtok_r
3031 check_func sched_getaffinity
3032 check_func sysconf
3033 check_func sysctl
3034 check_func usleep
3035 check_func_headers io.h setmode
3036 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3037 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3038 check_func_headers windows.h GetProcessAffinityMask
3039 check_func_headers windows.h GetProcessTimes
3040 check_func_headers windows.h GetSystemTimeAsFileTime
3041 check_func_headers windows.h MapViewOfFile
3042 check_func_headers windows.h Sleep
3043 check_func_headers windows.h VirtualAlloc
3044
3045 check_header dlfcn.h
3046 check_header dxva.h
3047 check_header dxva2api.h
3048 check_header io.h
3049 check_header malloc.h
3050 check_header poll.h
3051 check_header sys/mman.h
3052 check_header sys/param.h
3053 check_header sys/resource.h
3054 check_header sys/select.h
3055 check_header sys/time.h
3056 check_header unistd.h
3057 check_header vdpau/vdpau.h
3058 check_header vdpau/vdpau_x11.h
3059 check_header windows.h
3060 check_header X11/extensions/XvMClib.h
3061
3062 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3063 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3064
3065 if ! disabled w32threads && ! enabled pthreads; then
3066 check_func _beginthreadex && enable w32threads
3067 fi
3068
3069 # check for some common methods of building with pthread support
3070 # do this before the optional library checks as some of them require pthreads
3071 if ! disabled pthreads && ! enabled w32threads; then
3072 enable pthreads
3073 if check_func pthread_create; then
3074 :
3075 elif check_func pthread_create -pthread; then
3076 add_cflags -pthread
3077 add_extralibs -pthread
3078 elif check_func pthread_create -pthreads; then
3079 add_cflags -pthreads
3080 add_extralibs -pthreads
3081 elif check_func pthread_create -lpthreadGC2; then
3082 add_extralibs -lpthreadGC2
3083 elif ! check_lib pthread.h pthread_create -lpthread; then
3084 disable pthreads
3085 fi
3086 fi
3087
3088 for thread in $THREADS_LIST; do
3089 if enabled $thread; then
3090 test -n "$thread_type" &&
3091 die "ERROR: Only one thread type must be selected." ||
3092 thread_type="$thread"
3093 fi
3094 done
3095
3096 check_lib math.h sin -lm && LIBM="-lm"
3097 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3098
3099 check_mathfunc cbrtf
3100 check_mathfunc exp2
3101 check_mathfunc exp2f
3102 check_mathfunc isinf
3103 check_mathfunc isnan
3104 check_mathfunc llrint
3105 check_mathfunc llrintf
3106 check_mathfunc log2
3107 check_mathfunc log2f
3108 check_mathfunc lrint
3109 check_mathfunc lrintf
3110 check_mathfunc rint
3111 check_mathfunc round
3112 check_mathfunc roundf
3113 check_mathfunc trunc
3114 check_mathfunc truncf
3115
3116 # these are off by default, so fail if requested and not available
3117 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3118 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3119 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3120 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3121 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3122 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3123 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3124 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3125 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3126 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3127 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3128 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3129 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3130 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3131 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3132 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3133 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3134 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3135 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3136 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3137 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3138 enabled libvpx && {
3139 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3140 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3141 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3142 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3143 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3144 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3145 die "ERROR: libx264 version must be >= 0.118."; }
3146 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3147 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3148 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3149 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3150 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3151 die "ERROR: openssl not found"; }
3152
3153 if enabled gnutls; then
3154 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3155 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3156 fi
3157
3158 # libdc1394 check
3159 if enabled libdc1394; then
3160 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3161 enable libdc1394_2; } ||
3162 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3163 enable libdc1394_1; } ||
3164 die "ERROR: No version of libdc1394 found "
3165 fi
3166
3167 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3168 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3169 enable sdl &&
3170 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3171 fi
3172
3173 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3174
3175 check_header linux/fb.h
3176 check_header linux/videodev2.h
3177 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3178
3179 check_header sys/videoio.h
3180
3181 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3182 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3183 # w32api 3.12 had it defined wrong
3184 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3185
3186 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3187 { check_header dev/bktr/ioctl_meteor.h &&
3188 check_header dev/bktr/ioctl_bt848.h; } ||
3189 { check_header machine/ioctl_meteor.h &&
3190 check_header machine/ioctl_bt848.h; } ||
3191 { check_header dev/video/meteor/ioctl_meteor.h &&
3192 check_header dev/video/bktr/ioctl_bt848.h; } ||
3193 check_header dev/ic/bt8xx.h
3194
3195 check_header sndio.h
3196 check_header sys/soundcard.h
3197 check_header soundcard.h
3198
3199 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3200
3201 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3202 check_func jack_port_get_latency_range -ljack
3203
3204 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3205
3206 enabled libcdio &&
3207 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3208
3209 enabled x11grab &&
3210 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3211 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3212 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3213
3214 # check for VDA header
3215 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3216 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3217 fi
3218
3219 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3220 check_cpp_condition \
3221 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3222 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3223 disable vdpau; }
3224 fi
3225
3226 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3227
3228 # add some useful compiler flags if supported
3229 check_cflags -Wdeclaration-after-statement
3230 check_cflags -Wall
3231 check_cflags -Wno-parentheses
3232 check_cflags -Wno-switch
3233 check_cflags -Wno-format-zero-length
3234 check_cflags -Wdisabled-optimization
3235 check_cflags -Wpointer-arith
3236 check_cflags -Wredundant-decls
3237 check_cflags -Wno-pointer-sign
3238 check_cflags -Wcast-qual
3239 check_cflags -Wwrite-strings
3240 check_cflags -Wtype-limits
3241 check_cflags -Wundef
3242 check_cflags -Wmissing-prototypes
3243 check_cflags -Wstrict-prototypes
3244 enabled extra_warnings && check_cflags -Winline
3245
3246 # add some linker flags
3247 check_ldflags -Wl,--warn-common
3248 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3249 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3250
3251 enabled xmm_clobber_test &&
3252 check_ldflags -Wl,--wrap,avcodec_open2 \
3253 -Wl,--wrap,avcodec_decode_audio4 \
3254 -Wl,--wrap,avcodec_decode_video2 \
3255 -Wl,--wrap,avcodec_decode_subtitle2 \
3256 -Wl,--wrap,avcodec_encode_audio2 \
3257 -Wl,--wrap,avcodec_encode_video \
3258 -Wl,--wrap,avcodec_encode_subtitle \
3259 -Wl,--wrap,sws_scale ||
3260 disable xmm_clobber_test
3261
3262 echo "X{};" > $TMPV
3263 if test_ldflags -Wl,--version-script,$TMPV; then
3264 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3265 check_cc <<EOF && enable symver_asm_label
3266 void ff_foo(void) __asm__ ("av_foo@VERSION");
3267 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3268 EOF
3269 check_cc <<EOF && enable symver_gnu_asm
3270 __asm__(".symver ff_foo,av_foo@VERSION");
3271 void ff_foo(void) {}
3272 EOF
3273 fi
3274
3275 if [ -n "$optflags" ]; then
3276 add_cflags $optflags
3277 elif enabled small; then
3278 add_cflags $cflags_size
3279 elif enabled optimizations; then
3280 add_cflags $cflags_speed
3281 else
3282 add_cflags $cflags_noopt
3283 fi
3284 check_cflags -fno-math-errno
3285 check_cflags -fno-signed-zeros
3286
3287 if enabled icc; then
3288 # Just warnings, no remarks
3289 check_cflags -w1
3290 # -wd: Disable following warnings
3291 # 144, 167, 556: -Wno-pointer-sign
3292 # 1292: attribute "foo" ignored
3293 # 1419: external declaration in primary source file
3294 # 10006: ignoring unknown option -fno-signed-zeros
3295 # 10148: ignoring unknown option -Wno-parentheses
3296 # 10156: ignoring option '-W'; no argument required
3297 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3298 # 11030: Warning unknown option --as-needed
3299 # 10156: ignoring option '-export'; no argument required
3300 check_ldflags -wd10156,11030
3301 # Allow to compile with optimizations
3302 check_ldflags -march=$cpu
3303 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3304 enable ebp_available
3305 if enabled x86_32; then
3306 icc_version=$($cc -dumpversion)
3307 test ${icc_version%%.*} -ge 11 &&
3308 check_cflags -falign-stack=maintain-16-byte ||
3309 disable aligned_stack
3310 fi
3311 elif enabled ccc; then
3312 # disable some annoying warnings
3313 add_cflags -msg_disable cvtu32to64
3314 add_cflags -msg_disable embedcomment
3315 add_cflags -msg_disable needconstext
3316 add_cflags -msg_disable nomainieee
3317 add_cflags -msg_disable ptrmismatch1
3318 add_cflags -msg_disable unreachcode
3319 elif enabled gcc; then
3320 check_cflags -fno-tree-vectorize
3321 check_cflags -Werror=implicit-function-declaration
3322 check_cflags -Werror=missing-prototypes
3323 check_cflags -Werror=declaration-after-statement
3324 elif enabled llvm_gcc; then
3325 check_cflags -mllvm -stack-alignment=16
3326 elif enabled clang; then
3327 check_cflags -mllvm -stack-alignment=16
3328 check_cflags -Qunused-arguments
3329 elif enabled armcc; then
3330 # 2523: use of inline assembler is deprecated
3331 add_cflags -W${armcc_opt},--diag_suppress=2523
3332 add_cflags -W${armcc_opt},--diag_suppress=1207
3333 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3334 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3335 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3336 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3337 elif enabled tms470; then
3338 add_cflags -pds=824 -pds=837
3339 elif enabled pathscale; then
3340 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3341 fi
3342
3343 enabled_any $THREADS_LIST && enable threads
3344
3345 check_deps $CONFIG_LIST \
3346 $CONFIG_EXTRA \
3347 $HAVE_LIST \
3348 $ALL_COMPONENTS \
3349 $ALL_TESTS \
3350
3351 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3352
3353 ! enabled_any memalign posix_memalign aligned_malloc &&
3354 enabled_any $need_memalign && enable memalign_hack
3355
3356 echo "install prefix $prefix"
3357 echo "source path $source_path"
3358 echo "C compiler $cc"
3359 echo "ARCH $arch ($cpu)"
3360 if test "$build_suffix" != ""; then
3361 echo "build suffix $build_suffix"
3362 fi
3363 if test "$extra_version" != ""; then
3364 echo "version string suffix $extra_version"
3365 fi
3366 echo "big-endian ${bigendian-no}"
3367 echo "runtime cpu detection ${runtime_cpudetect-no}"
3368 if enabled x86; then
3369 echo "${yasmexe} ${yasm-no}"
3370 echo "MMX enabled ${mmx-no}"
3371 echo "MMXEXT enabled ${mmxext-no}"
3372 echo "3DNow! enabled ${amd3dnow-no}"
3373 echo "3DNow! extended enabled ${amd3dnowext-no}"
3374 echo "SSE enabled ${sse-no}"
3375 echo "SSSE3 enabled ${ssse3-no}"
3376 echo "AVX enabled ${avx-no}"
3377 echo "FMA4 enabled ${fma4-no}"
3378 echo "CMOV enabled ${cmov-no}"
3379 echo "CMOV is fast ${fast_cmov-no}"
3380 echo "EBX available ${ebx_available-no}"
3381 echo "EBP available ${ebp_available-no}"
3382 fi
3383 if enabled arm; then
3384 echo "ARMv5TE enabled ${armv5te-no}"
3385 echo "ARMv6 enabled ${armv6-no}"
3386 echo "ARMv6T2 enabled ${armv6t2-no}"
3387 echo "ARM VFP enabled ${armvfp-no}"
3388 echo "NEON enabled ${neon-no}"
3389 fi
3390 if enabled mips; then
3391 echo "MMI enabled ${mmi-no}"
3392 fi
3393 if enabled ppc; then
3394 echo "AltiVec enabled ${altivec-no}"
3395 echo "PPC 4xx optimizations ${ppc4xx-no}"
3396 echo "dcbzl available ${dcbzl-no}"
3397 fi
3398 if enabled sparc; then
3399 echo "VIS enabled ${vis-no}"
3400 fi
3401 echo "debug symbols ${debug-no}"
3402 echo "optimize for size ${small-no}"
3403 echo "optimizations ${optimizations-no}"
3404 echo "static ${static-no}"
3405 echo "shared ${shared-no}"
3406 echo "new filter support ${avfilter-no}"
3407 echo "network support ${network-no}"
3408 echo "threading support ${thread_type-no}"
3409 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3410 echo "SDL support ${sdl-no}"
3411 echo "libdxva2 enabled ${dxva2-no}"
3412 echo "libva enabled ${vaapi-no}"
3413 echo "libvdpau enabled ${vdpau-no}"
3414 echo "AVISynth enabled ${avisynth-no}"
3415 echo "frei0r enabled ${frei0r-no}"
3416 echo "gnutls enabled ${gnutls-no}"
3417 echo "libcdio support ${libcdio-no}"
3418 echo "libdc1394 support ${libdc1394-no}"
3419 echo "libfaac enabled ${libfaac-no}"
3420 echo "libfdk-aac enabled ${libfdk_aac-no}"
3421 echo "libgsm enabled ${libgsm-no}"
3422 echo "libilbc enabled ${libilbc-no}"
3423 echo "libmp3lame enabled ${libmp3lame-no}"
3424 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3425 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3426 echo "libopencv support ${libopencv-no}"
3427 echo "libopenjpeg enabled ${libopenjpeg-no}"
3428 echo "libpulse enabled ${libpulse-no}"
3429 echo "librtmp enabled ${librtmp-no}"
3430 echo "libschroedinger enabled ${libschroedinger-no}"
3431 echo "libspeex enabled ${libspeex-no}"
3432 echo "libtheora enabled ${libtheora-no}"
3433 echo "libvo-aacenc support ${libvo_aacenc-no}"
3434 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3435 echo "libvorbis enabled ${libvorbis-no}"
3436 echo "libvpx enabled ${libvpx-no}"
3437 echo "libx264 enabled ${libx264-no}"
3438 echo "libxavs enabled ${libxavs-no}"
3439 echo "libxvid enabled ${libxvid-no}"
3440 echo "openssl enabled ${openssl-no}"
3441 echo "zlib enabled ${zlib-no}"
3442 echo "bzlib enabled ${bzlib-no}"
3443 test -n "$random_seed" &&
3444 echo "random seed ${random_seed}"
3445 echo
3446
3447 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3448 echo "Enabled ${type}s:"
3449 eval list=\$$(toupper $type)_LIST
3450 print_enabled '_*' $list | sort | pr -r -3 -t
3451 echo
3452 done
3453
3454 license="LGPL version 2.1 or later"
3455 if enabled nonfree; then
3456 license="nonfree and unredistributable"
3457 elif enabled gplv3; then
3458 license="GPL version 3 or later"
3459 elif enabled lgplv3; then
3460 license="LGPL version 3 or later"
3461 elif enabled gpl; then
3462 license="GPL version 2 or later"
3463 fi
3464
3465 echo "License: $license"
3466
3467 echo "Creating config.mak and config.h..."
3468
3469 test -e Makefile || $ln_s "$source_path/Makefile" .
3470
3471 config_files="$TMPH config.mak"
3472
3473 cat > config.mak <<EOF
3474 # Automatically generated by configure - do not modify!
3475 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3476 prefix=$prefix
3477 LIBDIR=\$(DESTDIR)$libdir
3478 SHLIBDIR=\$(DESTDIR)$shlibdir
3479 INCDIR=\$(DESTDIR)$incdir
3480 BINDIR=\$(DESTDIR)$bindir
3481 DATADIR=\$(DESTDIR)$datadir
3482 MANDIR=\$(DESTDIR)$mandir
3483 SRC_PATH=$source_path
3484 CC_IDENT=$cc_ident
3485 ARCH=$arch
3486 CC=$cc
3487 AS=$as
3488 LD=$ld
3489 DEPCC=$dep_cc
3490 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3491 DEPAS=$as
3492 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3493 YASM=$yasmexe
3494 DEPYASM=$yasmexe
3495 AR=$ar
3496 RANLIB=$ranlib
3497 LN_S=$ln_s
3498 CPPFLAGS=$CPPFLAGS
3499 CFLAGS=$CFLAGS
3500 ASFLAGS=$ASFLAGS
3501 AS_C=$AS_C
3502 AS_O=$AS_O
3503 CC_C=$CC_C
3504 CC_O=$CC_O
3505 LD_O=$LD_O
3506 DLLTOOL=$dlltool
3507 LDFLAGS=$LDFLAGS
3508 LDFLAGS-avserver=$AVSERVERLDFLAGS
3509 SHFLAGS=$SHFLAGS
3510 YASMFLAGS=$YASMFLAGS
3511 BUILDSUF=$build_suffix
3512 FULLNAME=$FULLNAME
3513 LIBPREF=$LIBPREF
3514 LIBSUF=$LIBSUF
3515 LIBNAME=$LIBNAME
3516 SLIBPREF=$SLIBPREF
3517 SLIBSUF=$SLIBSUF
3518 EXESUF=$EXESUF
3519 EXTRA_VERSION=$extra_version
3520 CCDEP=$CCDEP
3521 CCDEP_FLAGS=$CCDEP_FLAGS
3522 ASDEP=$ASDEP
3523 ASDEP_FLAGS=$ASDEP_FLAGS
3524 CC_DEPFLAGS=$CC_DEPFLAGS
3525 AS_DEPFLAGS=$AS_DEPFLAGS
3526 HOSTCC=$host_cc
3527 HOSTCFLAGS=$host_cflags
3528 HOSTEXESUF=$HOSTEXESUF
3529 HOSTLDFLAGS=$host_ldflags
3530 HOSTLIBS=$host_libs
3531 DEPHOSTCC=$host_cc
3532 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3533 HOSTCCDEP=$HOSTCCDEP
3534 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3535 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3536 HOSTCC_C=$HOSTCC_C
3537 HOSTCC_O=$HOSTCC_O
3538 TARGET_EXEC=$target_exec
3539 TARGET_PATH=$target_path
3540 LIBS-avplay=$sdl_libs
3541 CFLAGS-avplay=$sdl_cflags
3542 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3543 EXTRALIBS=$extralibs
3544 INSTALL=install
3545 LIBTARGET=${LIBTARGET}
3546 SLIBNAME=${SLIBNAME}
3547 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3548 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3549 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3550 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3551 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3552 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3553 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3554 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3555 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3556 EOF
3557
3558 get_version(){
3559 lcname=$1
3560 name=$(toupper $lcname)
3561 file=$source_path/$lcname/version.h
3562 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3563 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3564 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3565 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3566 }
3567
3568 get_version libavcodec
3569 get_version libavdevice
3570 get_version libavfilter
3571 get_version libavformat
3572 get_version libavresample
3573 get_version libavutil
3574 get_version libswscale
3575
3576 cat > $TMPH <<EOF
3577 /* Automatically generated by configure - do not modify! */
3578 #ifndef LIBAV_CONFIG_H
3579 #define LIBAV_CONFIG_H
3580 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3581 #define LIBAV_LICENSE "$(c_escape $license)"
3582 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3583 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3584 #define restrict $_restrict
3585 #define EXTERN_PREFIX "${extern_prefix}"
3586 #define EXTERN_ASM ${extern_prefix}
3587 #define SLIBSUF "$SLIBSUF"
3588 EOF
3589
3590 test -n "$malloc_prefix" &&
3591 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3592
3593 if enabled yasm; then
3594 append config_files $TMPASM
3595 printf '' >$TMPASM
3596 fi
3597
3598 print_config ARCH_ "$config_files" $ARCH_LIST
3599 print_config HAVE_ "$config_files" $HAVE_LIST
3600 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3601 $CONFIG_EXTRA \
3602 $ALL_COMPONENTS \
3603
3604 cat >>config.mak <<EOF
3605 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3606 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3607 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3608 EOF
3609
3610 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3611
3612 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3613 cp_if_changed $TMPH config.h
3614 touch .config
3615
3616 enabled yasm && cp_if_changed $TMPASM config.asm
3617
3618 cat > $TMPH <<EOF
3619 /* Generated by ffconf */
3620 #ifndef AVUTIL_AVCONFIG_H
3621 #define AVUTIL_AVCONFIG_H
3622 EOF
3623
3624 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3625
3626 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3627
3628 cp_if_changed $TMPH libavutil/avconfig.h
3629
3630 test -n "$WARNINGS" && printf "\n$WARNINGS"
3631
3632 # build pkg-config files
3633
3634 pkgconfig_generate(){
3635 name=$1
3636 shortname=${name#lib}${build_suffix}
3637 comment=$2
3638 version=$3
3639 libs=$4
3640 requires=$5
3641 enabled ${name#lib} || return 0
3642 mkdir -p $name
3643 cat <<EOF > $name/$name.pc
3644 prefix=$prefix
3645 exec_prefix=\${prefix}
3646 libdir=$libdir
3647 includedir=$incdir
3648
3649 Name: $name
3650 Description: $comment
3651 Version: $version
3652 Requires: $(enabled shared || echo $requires)
3653 Requires.private: $(enabled shared && echo $requires)
3654 Conflicts:
3655 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3656 Libs.private: $(enabled shared && echo $libs)
3657 Cflags: -I\${includedir}
3658 EOF
3659 cat <<EOF > $name/$name-uninstalled.pc
3660 prefix=
3661 exec_prefix=
3662 libdir=\${pcfiledir}
3663 includedir=${source_path}
3664
3665 Name: $name
3666 Description: $comment
3667 Version: $version
3668 Requires: $requires
3669 Conflicts:
3670 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3671 Cflags: -I\${includedir}
3672 EOF
3673 }
3674
3675 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3676 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3677 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3678 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3679 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"