1c61e4bd9e5895acf657f37d672ef070d92e3161
[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 [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ld=HOSTLD use host linker HOSTLD
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --host-os=OS compiler host OS [$target_os]
220 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
221 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
222 --extra-libs=ELIBS add ELIBS [$ELIBS]
223 --extra-version=STRING version string suffix []
224 --optflags=OPTFLAGS override optimization-related compiler flags
225 --build-suffix=SUFFIX library name suffix []
226 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
227 --arch=ARCH select architecture [$arch]
228 --cpu=CPU select the minimum required CPU (affects
229 instruction selection, may crash on older CPUs)
230 --enable-pic build position-independent code
231 --enable-sram allow use of on-chip SRAM
232 --enable-thumb compile for Thumb instruction set
233 --disable-symver disable symbol versioning
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-sse2 disable SSE2 optimizations
249 --disable-sse3 disable SSE3 optimizations
250 --disable-ssse3 disable SSSE3 optimizations
251 --disable-sse4 disable SSE4 optimizations
252 --disable-sse42 disable SSE4.2 optimizations
253 --disable-avx disable AVX optimizations
254 --disable-fma4 disable FMA4 optimizations
255 --disable-armv5te disable armv5te optimizations
256 --disable-armv6 disable armv6 optimizations
257 --disable-armv6t2 disable armv6t2 optimizations
258 --disable-armvfp disable ARM VFP optimizations
259 --disable-mmi disable MMI optimizations
260 --disable-neon disable NEON optimizations
261 --disable-vis disable VIS optimizations
262 --disable-yasm disable use of yasm assembler
263
264 Developer options (useful when working on Libav itself):
265 --disable-debug disable debugging symbols
266 --enable-debug=LEVEL set the debug level [$debuglevel]
267 --disable-optimizations disable compiler optimizations
268 --enable-extra-warnings enable more compiler warnings
269 --samples=PATH location of test samples for FATE, if not set use
270 \$LIBAV_SAMPLES at make invocation time.
271 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
272 should be used only for debugging purposes)
273 --enable-random randomly enable/disable components
274 --disable-random
275 --enable-random=LIST randomly enable/disable specific components or
276 --disable-random=LIST component groups. LIST is a comma-separated list
277 of NAME[:PROB] entries where NAME is a component
278 (group) and PROB the probability associated with
279 NAME (default 0.5).
280 --random-seed=VALUE seed value for --enable/disable-random
281
282 NOTE: Object files are built at the place where configure is launched.
283 EOF
284 exit 0
285 }
286
287 quotes='""'
288
289 log(){
290 echo "$@" >> $logfile
291 }
292
293 log_file(){
294 log BEGIN $1
295 pr -n -t $1 >> $logfile
296 log END $1
297 }
298
299 echolog(){
300 log "$@"
301 echo "$@"
302 }
303
304 warn(){
305 log "WARNING: $*"
306 WARNINGS="${WARNINGS}WARNING: $*\n"
307 }
308
309 die(){
310 echolog "$@"
311 cat <<EOF
312
313 If you think configure made a mistake, make sure you are using the latest
314 version from Git. If the latest version fails, report the problem to the
315 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
316 EOF
317 if disabled logging; then
318 cat <<EOF
319 Rerun configure with logging enabled (do not use --disable-logging), and
320 include the log this produces with your report.
321 EOF
322 else
323 cat <<EOF
324 Include the log file "$logfile" produced by configure as this will help
325 solving the problem.
326 EOF
327 fi
328 exit 1
329 }
330
331 # Avoid locale weirdness, besides we really just want to translate ASCII.
332 toupper(){
333 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
334 }
335
336 tolower(){
337 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
338 }
339
340 c_escape(){
341 echo "$*" | sed 's/["\\]/\\\0/g'
342 }
343
344 sh_quote(){
345 v=$(echo "$1" | sed "s/'/'\\\\''/g")
346 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
347 echo "$v"
348 }
349
350 cleanws(){
351 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
352 }
353
354 filter(){
355 pat=$1
356 shift
357 for v; do
358 eval "case $v in $pat) echo $v ;; esac"
359 done
360 }
361
362 filter_out(){
363 pat=$1
364 shift
365 for v; do
366 eval "case $v in $pat) ;; *) echo $v ;; esac"
367 done
368 }
369
370 map(){
371 m=$1
372 shift
373 for v; do eval $m; done
374 }
375
376 add_suffix(){
377 suffix=$1
378 shift
379 for v; do echo ${v}${suffix}; done
380 }
381
382 set_all(){
383 value=$1
384 shift
385 for var in $*; do
386 eval $var=$value
387 done
388 }
389
390 set_weak(){
391 value=$1
392 shift
393 for var; do
394 eval : \${$var:=$value}
395 done
396 }
397
398 set_safe(){
399 var=$1
400 shift
401 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
402 }
403
404 get_safe(){
405 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
406 }
407
408 pushvar(){
409 for var in $*; do
410 eval level=\${${var}_level:=0}
411 eval ${var}_${level}="\$$var"
412 eval ${var}_level=$(($level+1))
413 done
414 }
415
416 popvar(){
417 for var in $*; do
418 eval level=\${${var}_level:-0}
419 test $level = 0 && continue
420 eval level=$(($level-1))
421 eval $var="\${${var}_${level}}"
422 eval ${var}_level=$level
423 eval unset ${var}_${level}
424 done
425 }
426
427 enable(){
428 set_all yes $*
429 }
430
431 disable(){
432 set_all no $*
433 }
434
435 enable_weak(){
436 set_weak yes $*
437 }
438
439 disable_weak(){
440 set_weak no $*
441 }
442
443 enable_safe(){
444 for var; do
445 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
446 done
447 }
448
449 disable_safe(){
450 for var; do
451 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
452 done
453 }
454
455 do_enable_deep(){
456 for var; do
457 enabled $var && continue
458 eval sel="\$${var}_select"
459 eval sgs="\$${var}_suggest"
460 pushvar var sgs
461 enable_deep $sel
462 popvar sgs
463 enable_deep_weak $sgs
464 popvar var
465 done
466 }
467
468 enable_deep(){
469 do_enable_deep $*
470 enable $*
471 }
472
473 enable_deep_weak(){
474 do_enable_deep $*
475 enable_weak $*
476 }
477
478 enabled(){
479 test "${1#!}" = "$1" && op== || op=!=
480 eval test "x\$${1#!}" $op "xyes"
481 }
482
483 disabled(){
484 test "${1#!}" = "$1" && op== || op=!=
485 eval test "x\$${1#!}" $op "xno"
486 }
487
488 enabled_all(){
489 for opt; do
490 enabled $opt || return 1
491 done
492 }
493
494 disabled_all(){
495 for opt; do
496 disabled $opt || return 1
497 done
498 }
499
500 enabled_any(){
501 for opt; do
502 enabled $opt && return 0
503 done
504 }
505
506 disabled_any(){
507 for opt; do
508 disabled $opt && return 0
509 done
510 return 1
511 }
512
513 set_default(){
514 for opt; do
515 eval : \${$opt:=\$${opt}_default}
516 done
517 }
518
519 is_in(){
520 value=$1
521 shift
522 for var in $*; do
523 [ $var = $value ] && return 0
524 done
525 return 1
526 }
527
528 check_deps(){
529 for cfg; do
530 cfg="${cfg#!}"
531 enabled ${cfg}_checking && die "Circular dependency for $cfg."
532 disabled ${cfg}_checking && continue
533 enable ${cfg}_checking
534
535 eval dep_all="\$${cfg}_deps"
536 eval dep_any="\$${cfg}_deps_any"
537 eval dep_sel="\$${cfg}_select"
538 eval dep_sgs="\$${cfg}_suggest"
539 eval dep_ifa="\$${cfg}_if"
540 eval dep_ifn="\$${cfg}_if_any"
541
542 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
543 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
544 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
545
546 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
547 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
548 enabled_all $dep_all || disable $cfg
549 enabled_any $dep_any || disable $cfg
550 disabled_any $dep_sel && disable $cfg
551
552 if enabled $cfg; then
553 eval dep_extralibs="\$${cfg}_extralibs"
554 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
555 enable_deep $dep_sel
556 enable_deep_weak $dep_sgs
557 fi
558
559 disable ${cfg}_checking
560 done
561 }
562
563 print_config_h(){
564 enabled $1 && v=1 || v=0
565 echo "#define $2 $v"
566 }
567
568 print_config_mak(){
569 enabled $1 && v= || v=!
570 echo "$v$2=yes"
571 }
572
573 print_config_asm(){
574 enabled $1 && v=1 || v=0
575 echo "%define $2 $v"
576 }
577
578 print_config(){
579 pfx=$1
580 files=$2
581 shift 2
582 for cfg; do
583 ucname="$(toupper $cfg)"
584 for f in $files; do
585 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
586 done
587 done
588 }
589
590 print_enabled(){
591 test "$1" = -n && end=" " && shift || end="\n"
592 suf=$1
593 shift
594 for v; do
595 enabled $v && printf "%s$end" ${v%$suf};
596 done
597 }
598
599 append(){
600 var=$1
601 shift
602 eval "$var=\"\$$var $*\""
603 }
604
605 prepend(){
606 var=$1
607 shift
608 eval "$var=\"$* \$$var\""
609 }
610
611 add_cppflags(){
612 append CPPFLAGS "$@"
613 }
614
615 add_cflags(){
616 append CFLAGS $($cflags_filter "$@")
617 }
618
619 add_asflags(){
620 append ASFLAGS $($asflags_filter "$@")
621 }
622
623 add_ldflags(){
624 append LDFLAGS $($ldflags_filter "$@")
625 }
626
627 add_extralibs(){
628 prepend extralibs $($ldflags_filter "$@")
629 }
630
631 add_host_cflags(){
632 append host_cflags $($host_cflags_filter "$@")
633 }
634
635 add_host_ldflags(){
636 append host_ldflags $($host_ldflags_filter "$@")
637 }
638
639 check_cmd(){
640 log "$@"
641 "$@" >> $logfile 2>&1
642 }
643
644 cc_o(){
645 eval printf '%s\\n' $CC_O
646 }
647
648 cc_e(){
649 eval printf '%s\\n' $CC_E
650 }
651
652 check_cc(){
653 log check_cc "$@"
654 cat > $TMPC
655 log_file $TMPC
656 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
657 }
658
659 check_cpp(){
660 log check_cpp "$@"
661 cat > $TMPC
662 log_file $TMPC
663 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
664 }
665
666 as_o(){
667 eval printf '%s\\n' $AS_O
668 }
669
670 check_as(){
671 log check_as "$@"
672 cat > $TMPC
673 log_file $TMPC
674 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
675 }
676
677 check_inline_asm(){
678 log check_inline_asm "$@"
679 name="$1"
680 code="$2"
681 shift 2
682 disable $name
683 check_as "$@" <<EOF && enable $name
684 void foo(void){ __asm__ volatile($code); }
685 EOF
686 }
687
688 check_yasm(){
689 log check_yasm "$@"
690 echo "$1" > $TMPS
691 log_file $TMPS
692 shift 1
693 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
694 }
695
696 ld_o(){
697 eval printf '%s\\n' $LD_O
698 }
699
700 check_ld(){
701 log check_ld "$@"
702 flags=''
703 libs=''
704 for f; do
705 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
706 done
707 check_cc $($cflags_filter $flags) || return
708 flags=$($ldflags_filter $flags)
709 libs=$($ldflags_filter $libs)
710 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
711 }
712
713 check_code(){
714 log check_code "$@"
715 check=$1
716 headers=$2
717 code=$3
718 shift 3
719 {
720 for hdr in $headers; do
721 echo "#include <$hdr>"
722 done
723 echo "int main(void) { $code; return 0; }"
724 } | check_$check "$@"
725 }
726
727 check_cppflags(){
728 log check_cppflags "$@"
729 check_cc "$@" <<EOF && append CPPFLAGS "$@"
730 int x;
731 EOF
732 }
733
734 check_cflags(){
735 log check_cflags "$@"
736 set -- $($cflags_filter "$@")
737 check_cc "$@" <<EOF && append CFLAGS "$@"
738 int x;
739 EOF
740 }
741
742 test_ldflags(){
743 log test_ldflags "$@"
744 check_ld "$@" <<EOF
745 int main(void){ return 0; }
746 EOF
747 }
748
749 check_ldflags(){
750 log check_ldflags "$@"
751 test_ldflags "$@" && add_ldflags "$@"
752 }
753
754 check_header(){
755 log check_header "$@"
756 header=$1
757 shift
758 disable_safe $header
759 check_cpp "$@" <<EOF && enable_safe $header
760 #include <$header>
761 int x;
762 EOF
763 }
764
765 check_func(){
766 log check_func "$@"
767 func=$1
768 shift
769 disable $func
770 check_ld "$@" <<EOF && enable $func
771 extern int $func();
772 int main(void){ $func(); }
773 EOF
774 }
775
776 check_mathfunc(){
777 log check_mathfunc "$@"
778 func=$1
779 shift
780 disable $func
781 check_ld "$@" <<EOF && enable $func
782 #include <math.h>
783 float foo(float f) { return $func(f); }
784 int main(void){ return 0; }
785 EOF
786 }
787
788 check_func_headers(){
789 log check_func_headers "$@"
790 headers=$1
791 funcs=$2
792 shift 2
793 {
794 for hdr in $headers; do
795 echo "#include <$hdr>"
796 done
797 for func in $funcs; do
798 echo "long check_$func(void) { return (long) $func; }"
799 done
800 echo "int main(void) { return 0; }"
801 } | check_ld "$@" && enable $funcs && enable_safe $headers
802 }
803
804 check_cpp_condition(){
805 log check_cpp_condition "$@"
806 header=$1
807 condition=$2
808 shift 2
809 check_cpp "$@" <<EOF
810 #include <$header>
811 #if !($condition)
812 #error "unsatisfied condition: $condition"
813 #endif
814 EOF
815 }
816
817 check_lib(){
818 log check_lib "$@"
819 header="$1"
820 func="$2"
821 shift 2
822 check_header $header && check_func $func "$@" && add_extralibs "$@"
823 }
824
825 check_lib2(){
826 log check_lib2 "$@"
827 headers="$1"
828 funcs="$2"
829 shift 2
830 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
831 }
832
833 check_pkg_config(){
834 log check_pkg_config "$@"
835 pkg="$1"
836 headers="$2"
837 funcs="$3"
838 shift 3
839 $pkg_config --exists $pkg || return
840 pkg_cflags=$($pkg_config --cflags $pkg)
841 pkg_libs=$($pkg_config --libs $pkg)
842 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
843 set_safe ${pkg}_cflags $pkg_cflags &&
844 set_safe ${pkg}_libs $pkg_libs
845 }
846
847 check_exec(){
848 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
849 }
850
851 check_exec_crash(){
852 code=$(cat)
853
854 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
855 # are safe but may not be available everywhere. Thus we use
856 # raise(SIGTERM) instead. The check is run in a subshell so we
857 # can redirect the "Terminated" message from the shell. SIGBUS
858 # is not defined by standard C so it is used conditionally.
859
860 (check_exec "$@") >> $logfile 2>&1 <<EOF
861 #include <signal.h>
862 static void sighandler(int sig){
863 raise(SIGTERM);
864 }
865 int main(void){
866 signal(SIGILL, sighandler);
867 signal(SIGFPE, sighandler);
868 signal(SIGSEGV, sighandler);
869 #ifdef SIGBUS
870 signal(SIGBUS, sighandler);
871 #endif
872 { $code }
873 }
874 EOF
875 }
876
877 check_type(){
878 log check_type "$@"
879 headers=$1
880 type=$2
881 shift 2
882 disable_safe "$type"
883 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
884 }
885
886 check_struct(){
887 log check_type "$@"
888 headers=$1
889 struct=$2
890 member=$3
891 shift 3
892 disable_safe "${struct}_${member}"
893 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
894 enable_safe "${struct}_${member}"
895 }
896
897 require(){
898 name="$1"
899 header="$2"
900 func="$3"
901 shift 3
902 check_lib $header $func "$@" || die "ERROR: $name not found"
903 }
904
905 require2(){
906 name="$1"
907 headers="$2"
908 func="$3"
909 shift 3
910 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
911 }
912
913 require_pkg_config(){
914 pkg="$1"
915 check_pkg_config "$@" || die "ERROR: $pkg not found"
916 add_cflags $(get_safe ${pkg}_cflags)
917 add_extralibs $(get_safe ${pkg}_libs)
918 }
919
920 hostcc_o(){
921 eval printf '%s\\n' $HOSTCC_O
922 }
923
924 check_host_cc(){
925 log check_host_cc "$@"
926 cat > $TMPC
927 log_file $TMPC
928 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
929 }
930
931 check_host_cflags(){
932 log check_host_cflags "$@"
933 set -- $($host_cflags_filter "$@")
934 check_host_cc "$@" <<EOF && append host_cflags "$@"
935 int x;
936 EOF
937 }
938
939 apply(){
940 file=$1
941 shift
942 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
943 }
944
945 cp_if_changed(){
946 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
947 mkdir -p "$(dirname $2)"
948 cp -f "$1" "$2"
949 }
950
951 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
952 # system-dependent things.
953
954 COMPONENT_LIST="
955 bsfs
956 decoders
957 demuxers
958 encoders
959 filters
960 hwaccels
961 indevs
962 muxers
963 outdevs
964 parsers
965 protocols
966 "
967
968 PROGRAM_LIST="
969 avconv
970 avplay
971 avprobe
972 avserver
973 "
974
975 CONFIG_LIST="
976 $COMPONENT_LIST
977 $PROGRAM_LIST
978 avcodec
979 avdevice
980 avfilter
981 avformat
982 avresample
983 avisynth
984 bzlib
985 dct
986 doc
987 dwt
988 dxva2
989 fft
990 frei0r
991 gnutls
992 gpl
993 gray
994 hardcoded_tables
995 libcdio
996 libdc1394
997 libfaac
998 libfdk_aac
999 libfreetype
1000 libgsm
1001 libilbc
1002 libmp3lame
1003 libopencore_amrnb
1004 libopencore_amrwb
1005 libopencv
1006 libopenjpeg
1007 libpulse
1008 librtmp
1009 libschroedinger
1010 libspeex
1011 libtheora
1012 libvo_aacenc
1013 libvo_amrwbenc
1014 libvorbis
1015 libvpx
1016 libx264
1017 libxavs
1018 libxvid
1019 lsp
1020 mdct
1021 memalign_hack
1022 network
1023 nonfree
1024 openssl
1025 pic
1026 rdft
1027 runtime_cpudetect
1028 safe_bitstream_reader
1029 shared
1030 small
1031 sram
1032 static
1033 swscale
1034 swscale_alpha
1035 thumb
1036 vaapi
1037 vda
1038 vdpau
1039 version3
1040 xmm_clobber_test
1041 x11grab
1042 zlib
1043 "
1044
1045 THREADS_LIST='
1046 pthreads
1047 w32threads
1048 '
1049
1050 ARCH_LIST='
1051 alpha
1052 arm
1053 avr32
1054 avr32_ap
1055 avr32_uc
1056 bfin
1057 ia64
1058 m68k
1059 mips
1060 mips64
1061 parisc
1062 ppc
1063 ppc64
1064 s390
1065 sh4
1066 sparc
1067 sparc64
1068 tomi
1069 x86
1070 x86_32
1071 x86_64
1072 '
1073
1074 ARCH_EXT_LIST_X86='
1075 amd3dnow
1076 amd3dnowext
1077 avx
1078 fma4
1079 mmx
1080 mmxext
1081 sse
1082 sse2
1083 sse3
1084 sse4
1085 sse42
1086 ssse3
1087 '
1088
1089 ARCH_EXT_LIST="
1090 $ARCH_EXT_LIST_X86
1091 altivec
1092 armv5te
1093 armv6
1094 armv6t2
1095 armvfp
1096 mmi
1097 neon
1098 ppc4xx
1099 vfpv3
1100 vis
1101 "
1102
1103 HAVE_LIST_PUB='
1104 bigendian
1105 fast_unaligned
1106 '
1107
1108 HAVE_LIST="
1109 $ARCH_EXT_LIST
1110 $(add_suffix _external $ARCH_EXT_LIST)
1111 $(add_suffix _inline $ARCH_EXT_LIST)
1112 $HAVE_LIST_PUB
1113 $THREADS_LIST
1114 aligned_malloc
1115 aligned_stack
1116 alsa_asoundlib_h
1117 altivec_h
1118 arpa_inet_h
1119 asm_mod_q
1120 asm_mod_y
1121 attribute_may_alias
1122 attribute_packed
1123 cbrtf
1124 closesocket
1125 cmov
1126 cpuid
1127 cpunop
1128 dcbzl
1129 dev_bktr_ioctl_bt848_h
1130 dev_bktr_ioctl_meteor_h
1131 dev_ic_bt8xx_h
1132 dev_video_bktr_ioctl_bt848_h
1133 dev_video_meteor_ioctl_meteor_h
1134 dlfcn_h
1135 dlopen
1136 dos_paths
1137 dxva_h
1138 ebp_available
1139 ebx_available
1140 exp2
1141 exp2f
1142 fast_64bit
1143 fast_clz
1144 fast_cmov
1145 fcntl
1146 fork
1147 getaddrinfo
1148 gethrtime
1149 getopt
1150 GetProcessAffinityMask
1151 GetProcessMemoryInfo
1152 GetProcessTimes
1153 GetSystemTimeAsFileTime
1154 getrusage
1155 gettimeofday
1156 gnu_as
1157 ibm_asm
1158 inet_aton
1159 inline_asm
1160 io_h
1161 isatty
1162 isinf
1163 isnan
1164 jack_port_get_latency_range
1165 ldbrx
1166 libdc1394_1
1167 libdc1394_2
1168 llrint
1169 llrintf
1170 local_aligned_16
1171 local_aligned_8
1172 localtime_r
1173 log2
1174 log2f
1175 loongson
1176 lrint
1177 lrintf
1178 machine_ioctl_bt848_h
1179 machine_ioctl_meteor_h
1180 malloc_h
1181 MapViewOfFile
1182 memalign
1183 mkstemp
1184 mm_empty
1185 mmap
1186 nanosleep
1187 poll_h
1188 posix_memalign
1189 rdtsc
1190 rint
1191 round
1192 roundf
1193 rweflags
1194 sched_getaffinity
1195 sdl
1196 sdl_video_size
1197 setmode
1198 setrlimit
1199 Sleep
1200 sndio_h
1201 socklen_t
1202 soundcard_h
1203 strerror_r
1204 strptime
1205 strtok_r
1206 struct_addrinfo
1207 struct_group_source_req
1208 struct_ip_mreq_source
1209 struct_ipv6_mreq
1210 struct_pollfd
1211 struct_rusage_ru_maxrss
1212 struct_sockaddr_in6
1213 struct_sockaddr_sa_len
1214 struct_sockaddr_storage
1215 struct_v4l2_frmivalenum_discrete
1216 symver
1217 symver_asm_label
1218 symver_gnu_asm
1219 sysconf
1220 sysctl
1221 sys_mman_h
1222 sys_param_h
1223 sys_resource_h
1224 sys_select_h
1225 sys_soundcard_h
1226 sys_time_h
1227 sys_videoio_h
1228 threads
1229 trunc
1230 truncf
1231 unistd_h
1232 usleep
1233 vfp_args
1234 VirtualAlloc
1235 windows_h
1236 winsock2_h
1237 xform_asm
1238 xgetbv
1239 xmm_clobbers
1240 yasm
1241 "
1242
1243 # options emitted with CONFIG_ prefix but not available on command line
1244 CONFIG_EXTRA="
1245 aandcttables
1246 ac3dsp
1247 avutil
1248 error_resilience
1249 gcrypt
1250 golomb
1251 gplv3
1252 h264chroma
1253 h264dsp
1254 h264pred
1255 h264qpel
1256 huffman
1257 lgplv3
1258 lpc
1259 mpegaudiodsp
1260 mpegvideo
1261 mpegvideoenc
1262 nettle
1263 rangecoder
1264 rtpdec
1265 sinewin
1266 vp3dsp
1267 "
1268
1269 CMDLINE_SELECT="
1270 $ARCH_EXT_LIST
1271 $CONFIG_LIST
1272 $THREADS_LIST
1273 asm
1274 cross_compile
1275 debug
1276 extra_warnings
1277 logging
1278 optimizations
1279 symver
1280 yasm
1281 "
1282
1283 PATHS_LIST='
1284 bindir
1285 datadir
1286 incdir
1287 libdir
1288 mandir
1289 prefix
1290 shlibdir
1291 '
1292
1293 CMDLINE_SET="
1294 $PATHS_LIST
1295 ar
1296 arch
1297 as
1298 build_suffix
1299 cc
1300 cpu
1301 cross_prefix
1302 dep_cc
1303 extra_version
1304 host_cc
1305 host_cflags
1306 host_ld
1307 host_ldflags
1308 host_libs
1309 host_os
1310 ld
1311 logfile
1312 malloc_prefix
1313 nm
1314 optflags
1315 pkg_config
1316 random_seed
1317 samples
1318 sysinclude
1319 sysroot
1320 target_exec
1321 target_os
1322 target_path
1323 "
1324
1325 CMDLINE_APPEND="
1326 extra_cflags
1327 "
1328
1329 # code dependency declarations
1330
1331 # architecture extensions
1332
1333 armv5te_deps="arm"
1334 armv6_deps="arm"
1335 armv6t2_deps="arm"
1336 armvfp_deps="arm"
1337 neon_deps="arm"
1338 vfpv3_deps="armvfp"
1339
1340 mmi_deps="mips"
1341
1342 altivec_deps="ppc"
1343 ppc4xx_deps="ppc"
1344
1345 vis_deps="sparc"
1346
1347 x86_64_suggest="cmov fast_cmov"
1348
1349 amd3dnow_deps="mmx"
1350 amd3dnowext_deps="amd3dnow"
1351 mmx_deps="x86"
1352 mmxext_deps="mmx"
1353 sse_deps="mmxext"
1354 sse2_deps="sse"
1355 sse3_deps="sse2"
1356 ssse3_deps="sse3"
1357 sse4_deps="ssse3"
1358 sse42_deps="sse4"
1359 avx_deps="sse42"
1360 fma4_deps="avx"
1361
1362 mmx_external_deps="yasm"
1363 mmx_inline_deps="inline_asm"
1364 mmx_suggest="mmx_external mmx_inline"
1365
1366 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1367 eval dep=\$${ext}_deps
1368 eval ${ext}_external_deps='"${dep}_external"'
1369 eval ${ext}_inline_deps='"${dep}_inline"'
1370 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1371 done
1372
1373 aligned_stack_if_any="ppc x86"
1374 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1375 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1376 fast_unaligned_if_any="armv6 ppc x86"
1377
1378 inline_asm_deps="!tms470"
1379 need_memalign="altivec neon sse"
1380
1381 symver_if_any="symver_asm_label symver_gnu_asm"
1382
1383 # subsystems
1384 dct_select="rdft"
1385 mdct_select="fft"
1386 rdft_select="fft"
1387 mpegaudiodsp_select="dct"
1388 mpegvideoenc_select="mpegvideo"
1389
1390 # decoders / encoders / hardware accelerators
1391 aac_decoder_select="mdct sinewin"
1392 aac_encoder_select="mdct sinewin"
1393 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1394 ac3_decoder_select="mdct ac3dsp ac3_parser"
1395 ac3_encoder_select="mdct ac3dsp"
1396 ac3_fixed_encoder_select="mdct ac3dsp"
1397 alac_encoder_select="lpc"
1398 amrnb_decoder_select="lsp"
1399 amrwb_decoder_select="lsp"
1400 atrac1_decoder_select="mdct sinewin"
1401 atrac3_decoder_select="mdct"
1402 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1403 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1404 cavs_decoder_select="golomb mpegvideo"
1405 cook_decoder_select="mdct sinewin"
1406 cscd_decoder_suggest="zlib"
1407 dca_decoder_select="mdct"
1408 dnxhd_encoder_select="aandcttables mpegvideoenc"
1409 dxa_decoder_select="zlib"
1410 eac3_decoder_select="ac3_decoder"
1411 eac3_encoder_select="ac3_encoder"
1412 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1413 eatgq_decoder_select="aandcttables"
1414 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1415 ffv1_decoder_select="golomb rangecoder"
1416 ffv1_encoder_select="rangecoder"
1417 ffvhuff_encoder_select="huffman"
1418 flac_decoder_select="golomb"
1419 flac_encoder_select="golomb lpc"
1420 flashsv_decoder_select="zlib"
1421 flashsv_encoder_select="zlib"
1422 flashsv2_decoder_select="zlib"
1423 flv_decoder_select="h263_decoder"
1424 flv_encoder_select="h263_encoder"
1425 fraps_decoder_select="huffman"
1426 h261_decoder_select="error_resilience mpegvideo"
1427 h261_encoder_select="aandcttables mpegvideoenc"
1428 h263_decoder_select="error_resilience h263_parser mpegvideo"
1429 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1430 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1431 h263i_decoder_select="h263_decoder"
1432 h263p_encoder_select="h263_encoder"
1433 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1434 h264_dxva2_hwaccel_deps="dxva2api_h"
1435 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1436 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1437 h264_vda_hwaccel_select="vda h264_decoder"
1438 h264_vdpau_decoder_select="vdpau h264_decoder"
1439 huffyuv_encoder_select="huffman"
1440 iac_decoder_select="fft mdct sinewin"
1441 imc_decoder_select="fft mdct sinewin"
1442 jpegls_decoder_select="golomb"
1443 jpegls_encoder_select="golomb"
1444 ljpeg_encoder_select="aandcttables mpegvideoenc"
1445 loco_decoder_select="golomb"
1446 mdec_decoder_select="error_resilience mpegvideo"
1447 mjpeg_encoder_select="aandcttables mpegvideoenc"
1448 mlp_decoder_select="mlp_parser"
1449 mp1_decoder_select="mpegaudiodsp"
1450 mp1float_decoder_select="mpegaudiodsp"
1451 mp2_decoder_select="mpegaudiodsp"
1452 mp2float_decoder_select="mpegaudiodsp"
1453 mp3_decoder_select="mpegaudiodsp"
1454 mp3adu_decoder_select="mpegaudiodsp"
1455 mp3adufloat_decoder_select="mpegaudiodsp"
1456 mp3float_decoder_select="mpegaudiodsp"
1457 mp3on4_decoder_select="mpegaudiodsp"
1458 mp3on4float_decoder_select="mpegaudiodsp"
1459 mpc7_decoder_select="mpegaudiodsp"
1460 mpc8_decoder_select="mpegaudiodsp"
1461 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1462 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1463 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1464 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1465 mpeg1video_decoder_select="error_resilience mpegvideo"
1466 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1467 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1468 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1469 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1470 mpeg2video_decoder_select="error_resilience mpegvideo"
1471 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1472 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1473 mpeg4_encoder_select="h263_encoder"
1474 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1475 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1476 msmpeg4v1_decoder_select="h263_decoder"
1477 msmpeg4v1_encoder_select="h263_encoder"
1478 msmpeg4v2_decoder_select="h263_decoder"
1479 msmpeg4v2_encoder_select="h263_encoder"
1480 msmpeg4v3_decoder_select="h263_decoder"
1481 msmpeg4v3_encoder_select="h263_encoder"
1482 mss2_decoder_select="vc1_decoder"
1483 nellymoser_decoder_select="mdct sinewin"
1484 nellymoser_encoder_select="mdct sinewin"
1485 png_decoder_select="zlib"
1486 png_encoder_select="zlib"
1487 qcelp_decoder_select="lsp"
1488 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1489 ra_144_encoder_select="lpc"
1490 ralf_decoder_select="golomb"
1491 rv10_decoder_select="h263_decoder"
1492 rv10_encoder_select="h263_encoder"
1493 rv20_decoder_select="h263_decoder"
1494 rv20_encoder_select="h263_encoder"
1495 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1496 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1497 shorten_decoder_select="golomb"
1498 sipr_decoder_select="lsp"
1499 snow_decoder_select="dwt rangecoder"
1500 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1501 svq1_decoder_select="error_resilience mpegvideo"
1502 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1503 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1504 svq3_decoder_suggest="zlib"
1505 theora_decoder_select="vp3_decoder"
1506 tiff_decoder_suggest="zlib"
1507 tiff_encoder_suggest="zlib"
1508 truehd_decoder_select="mlp_decoder"
1509 tscc_decoder_select="zlib"
1510 twinvq_decoder_select="mdct lsp sinewin"
1511 utvideo_encoder_select="huffman"
1512 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1513 vc1_dxva2_hwaccel_deps="dxva2api_h"
1514 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1515 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1516 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1517 vc1image_decoder_select="vc1_decoder"
1518 vorbis_decoder_select="mdct"
1519 vorbis_encoder_select="mdct"
1520 vp3_decoder_select="vp3dsp"
1521 vp5_decoder_select="vp3dsp"
1522 vp6_decoder_select="huffman vp3dsp"
1523 vp6a_decoder_select="vp6_decoder"
1524 vp6f_decoder_select="vp6_decoder"
1525 vp8_decoder_select="h264pred h264qpel"
1526 wmapro_decoder_select="mdct sinewin"
1527 wmav1_decoder_select="mdct sinewin"
1528 wmav1_encoder_select="mdct sinewin"
1529 wmav2_decoder_select="mdct sinewin"
1530 wmav2_encoder_select="mdct sinewin"
1531 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1532 wmv1_decoder_select="h263_decoder"
1533 wmv1_encoder_select="h263_encoder"
1534 wmv2_decoder_select="h263_decoder"
1535 wmv2_encoder_select="h263_encoder"
1536 wmv3_decoder_select="vc1_decoder"
1537 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1538 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1539 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1540 wmv3image_decoder_select="wmv3_decoder"
1541 zerocodec_decoder_select="zlib"
1542 zlib_decoder_select="zlib"
1543 zlib_encoder_select="zlib"
1544 zmbv_decoder_select="zlib"
1545 zmbv_encoder_select="zlib"
1546
1547 vaapi_deps="va_va_h"
1548 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1549 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1550
1551 # parsers
1552 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1553 mpeg4video_parser_select="error_resilience mpegvideo"
1554 mpegvideo_parser_select="error_resilience mpegvideo"
1555 vc1_parser_select="error_resilience mpegvideo"
1556
1557 # external libraries
1558 libfaac_encoder_deps="libfaac"
1559 libfdk_aac_encoder_deps="libfdk_aac"
1560 libgsm_decoder_deps="libgsm"
1561 libgsm_encoder_deps="libgsm"
1562 libgsm_ms_decoder_deps="libgsm"
1563 libgsm_ms_encoder_deps="libgsm"
1564 libilbc_decoder_deps="libilbc"
1565 libilbc_encoder_deps="libilbc"
1566 libmp3lame_encoder_deps="libmp3lame"
1567 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1568 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1569 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1570 libopenjpeg_decoder_deps="libopenjpeg"
1571 libopenjpeg_encoder_deps="libopenjpeg"
1572 libschroedinger_decoder_deps="libschroedinger"
1573 libschroedinger_encoder_deps="libschroedinger"
1574 libspeex_decoder_deps="libspeex"
1575 libspeex_encoder_deps="libspeex"
1576 libtheora_encoder_deps="libtheora"
1577 libvo_aacenc_encoder_deps="libvo_aacenc"
1578 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1579 libvorbis_encoder_deps="libvorbis"
1580 libvpx_decoder_deps="libvpx"
1581 libvpx_encoder_deps="libvpx"
1582 libx264_encoder_deps="libx264"
1583 libxavs_encoder_deps="libxavs"
1584 libxvid_encoder_deps="libxvid"
1585
1586 # demuxers / muxers
1587 ac3_demuxer_select="ac3_parser"
1588 asf_stream_muxer_select="asf_muxer"
1589 avisynth_demuxer_deps="avisynth"
1590 dirac_demuxer_select="dirac_parser"
1591 eac3_demuxer_select="ac3_parser"
1592 flac_demuxer_select="flac_parser"
1593 ipod_muxer_select="mov_muxer"
1594 matroska_audio_muxer_select="matroska_muxer"
1595 matroska_demuxer_suggest="zlib bzlib"
1596 mov_demuxer_suggest="zlib"
1597 mp3_demuxer_select="mpegaudio_parser"
1598 mp4_muxer_select="mov_muxer"
1599 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1600 mpegtsraw_demuxer_select="mpegts_demuxer"
1601 mxf_d10_muxer_select="mxf_muxer"
1602 ogg_demuxer_select="golomb"
1603 psp_muxer_select="mov_muxer"
1604 rtp_demuxer_select="sdp_demuxer"
1605 rtp_muxer_select="mpegvideo"
1606 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1607 rtsp_demuxer_select="http_protocol rtpdec"
1608 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1609 sap_demuxer_select="sdp_demuxer"
1610 sap_muxer_select="rtp_muxer rtp_protocol"
1611 sdp_demuxer_select="rtpdec"
1612 spdif_muxer_select="aac_parser"
1613 tg2_muxer_select="mov_muxer"
1614 tgp_muxer_select="mov_muxer"
1615 w64_demuxer_deps="wav_demuxer"
1616
1617 # indevs / outdevs
1618 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1619 alsa_outdev_deps="alsa_asoundlib_h"
1620 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1621 dv1394_indev_deps="dv1394 dv_demuxer"
1622 fbdev_indev_deps="linux_fb_h"
1623 jack_indev_deps="jack_jack_h"
1624 libcdio_indev_deps="libcdio"
1625 libdc1394_indev_deps="libdc1394"
1626 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1627 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1628 pulse_indev_deps="libpulse"
1629 sndio_indev_deps="sndio_h"
1630 sndio_outdev_deps="sndio_h"
1631 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1632 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1633 vfwcap_indev_extralibs="-lavicap32"
1634 x11grab_indev_deps="x11grab XShmCreateImage"
1635
1636 # protocols
1637 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1638 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1639 ffrtmpcrypt_protocol_select="tcp_protocol"
1640 ffrtmphttp_protocol_deps="!librtmp_protocol"
1641 ffrtmphttp_protocol_select="http_protocol"
1642 gopher_protocol_deps="network"
1643 httpproxy_protocol_deps="network"
1644 httpproxy_protocol_select="tcp_protocol"
1645 http_protocol_deps="network"
1646 http_protocol_select="tcp_protocol"
1647 https_protocol_select="tls_protocol"
1648 librtmp_protocol_deps="librtmp"
1649 librtmpe_protocol_deps="librtmp"
1650 librtmps_protocol_deps="librtmp"
1651 librtmpt_protocol_deps="librtmp"
1652 librtmpte_protocol_deps="librtmp"
1653 mmsh_protocol_select="http_protocol"
1654 mmst_protocol_deps="network"
1655 rtmp_protocol_deps="!librtmp_protocol"
1656 rtmp_protocol_select="tcp_protocol"
1657 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1658 rtmps_protocol_deps="!librtmp_protocol"
1659 rtmps_protocol_select="tls_protocol"
1660 rtmpt_protocol_select="ffrtmphttp_protocol"
1661 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1662 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1663 rtp_protocol_select="udp_protocol"
1664 sctp_protocol_deps="network struct_sctp_event_subscribe"
1665 tcp_protocol_deps="network"
1666 tls_protocol_deps_any="openssl gnutls"
1667 tls_protocol_select="tcp_protocol"
1668 udp_protocol_deps="network"
1669
1670 # filters
1671 blackframe_filter_deps="gpl"
1672 boxblur_filter_deps="gpl"
1673 cropdetect_filter_deps="gpl"
1674 delogo_filter_deps="gpl"
1675 drawtext_filter_deps="libfreetype"
1676 frei0r_filter_deps="frei0r dlopen strtok_r"
1677 frei0r_filter_extralibs='$ldl'
1678 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1679 frei0r_src_filter_extralibs='$ldl'
1680 hqdn3d_filter_deps="gpl"
1681 resample_filter_deps="avresample"
1682 ocv_filter_deps="libopencv"
1683 scale_filter_deps="swscale"
1684 yadif_filter_deps="gpl"
1685
1686 # libraries
1687 avdevice_deps="avcodec avformat"
1688 avformat_deps="avcodec"
1689
1690 # programs
1691 avconv_deps="avcodec avfilter avformat avresample swscale
1692 aformat_filter asyncts_filter
1693 format_filter fps_filter scale_filter setpts_filter"
1694 avplay_deps="avcodec avformat swscale sdl"
1695 avplay_select="rdft"
1696 avprobe_deps="avcodec avformat"
1697 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1698 avserver_extralibs='$ldl'
1699
1700 doc_deps="texi2html"
1701
1702 # tests
1703
1704 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1705 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1706
1707 test_deps(){
1708 suf1=$1
1709 suf2=$2
1710 shift 2
1711 for v; do
1712 dep=${v%=*}
1713 tests=${v#*=}
1714 for name in ${tests}; do
1715 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1716 done
1717 done
1718 }
1719
1720 test_deps _muxer _demuxer \
1721 aiff \
1722 pcm_alaw=alaw \
1723 asf \
1724 au \
1725 avi \
1726 dv=dv_fmt \
1727 ffm \
1728 flv=flv_fmt \
1729 gxf \
1730 matroska=mkv \
1731 mmf \
1732 mov \
1733 pcm_mulaw=mulaw \
1734 mxf="mxf mxf_d10" \
1735 nut \
1736 ogg \
1737 rawvideo=pixfmt \
1738 rm \
1739 swf \
1740 mpegts=ts \
1741 voc \
1742 wav \
1743 yuv4mpegpipe=yuv4mpeg \
1744
1745 # default parameters
1746
1747 logfile="config.log"
1748
1749 # installation paths
1750 prefix_default="/usr/local"
1751 bindir_default='${prefix}/bin'
1752 datadir_default='${prefix}/share/avconv'
1753 incdir_default='${prefix}/include'
1754 libdir_default='${prefix}/lib'
1755 mandir_default='${prefix}/share/man'
1756 shlibdir_default="$libdir_default"
1757
1758 # toolchain
1759 ar_default="ar"
1760 cc_default="gcc"
1761 host_cc_default="gcc"
1762 ln_s="ln -sf"
1763 nm_default="nm"
1764 objformat="elf"
1765 pkg_config_default=pkg-config
1766 ranlib="ranlib"
1767 yasmexe="yasm"
1768
1769 nm_opts='-g'
1770 nogas=":"
1771
1772 # machine
1773 arch_default=$(uname -m)
1774 cpu="generic"
1775
1776 # OS
1777 target_os_default=$(tolower $(uname -s))
1778 host_os=$target_os_default
1779
1780 # configurable options
1781 enable $PROGRAM_LIST
1782
1783 enable avcodec
1784 enable avdevice
1785 enable avfilter
1786 enable avformat
1787 enable avresample
1788 enable avutil
1789 enable swscale
1790
1791 enable asm
1792 enable debug
1793 enable doc
1794 enable network
1795 enable optimizations
1796 enable safe_bitstream_reader
1797 enable static
1798 enable swscale_alpha
1799
1800 # build settings
1801 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1802 AVSERVERLDFLAGS=-Wl,-E
1803 LIBPREF="lib"
1804 LIBSUF=".a"
1805 FULLNAME='$(NAME)$(BUILDSUF)'
1806 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1807 SLIBPREF="lib"
1808 SLIBSUF=".so"
1809 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1810 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1811 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1812 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1813 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1814 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1815
1816 asflags_filter=echo
1817 cflags_filter=echo
1818 ldflags_filter=echo
1819
1820 AS_C='-c'
1821 AS_O='-o $@'
1822 CC_C='-c'
1823 CC_E='-E -o $@'
1824 CC_O='-o $@'
1825 LD_O='-o $@'
1826 LD_LIB='-l%'
1827 LD_PATH='-L'
1828 HOSTCC_C='-c'
1829 HOSTCC_O='-o $@'
1830 HOSTLD_O='-o $@'
1831
1832 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1833 host_libs='-lm'
1834 host_cflags_filter=echo
1835 host_ldflags_filter=echo
1836
1837 target_path='$(CURDIR)'
1838
1839 # since the object filename is not given with the -MM flag, the compiler
1840 # is only able to print the basename, and we must add the path ourselves
1841 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1842 DEPFLAGS='-MM'
1843
1844 # find source path
1845 if test -f configure; then
1846 source_path=.
1847 else
1848 source_path=$(cd $(dirname "$0"); pwd)
1849 echo "$source_path" | grep -q '[[:blank:]]' &&
1850 die "Out of tree builds are impossible with whitespace in source path."
1851 test -e "$source_path/config.h" &&
1852 die "Out of tree builds are impossible with config.h in source dir."
1853 fi
1854
1855 for v in "$@"; do
1856 r=${v#*=}
1857 l=${v%"$r"}
1858 r=$(sh_quote "$r")
1859 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1860 done
1861
1862 find_things(){
1863 thing=$1
1864 pattern=$2
1865 file=$source_path/$3
1866 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1867 }
1868
1869 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1870 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1871 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1872 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1873 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1874 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1875 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1876 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1877 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1878 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1879 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1880
1881 ALL_COMPONENTS="
1882 $BSF_LIST
1883 $DECODER_LIST
1884 $DEMUXER_LIST
1885 $ENCODER_LIST
1886 $FILTER_LIST
1887 $HWACCEL_LIST
1888 $INDEV_LIST
1889 $MUXER_LIST
1890 $OUTDEV_LIST
1891 $PARSER_LIST
1892 $PROTOCOL_LIST
1893 "
1894
1895 find_tests(){
1896 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1897 }
1898
1899 LAVF_TESTS=$(find_tests lavf)
1900 LAVFI_TESTS=$(find_tests lavfi)
1901 SEEK_TESTS=$(find_tests seek seek_)
1902
1903 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1904
1905 for n in $COMPONENT_LIST; do
1906 v=$(toupper ${n%s})_LIST
1907 eval enable \$$v
1908 eval ${n}_if_any="\$$v"
1909 done
1910
1911 enable $ARCH_EXT_LIST $ALL_TESTS
1912
1913 die_unknown(){
1914 echo "Unknown option \"$1\"."
1915 echo "See $0 --help for available options."
1916 exit 1
1917 }
1918
1919 show_list() {
1920 suffix=_$1
1921 shift
1922 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1923 exit 0
1924 }
1925
1926 rand_list(){
1927 IFS=', '
1928 set -- $*
1929 unset IFS
1930 for thing; do
1931 comp=${thing%:*}
1932 prob=${thing#$comp}
1933 prob=${prob#:}
1934 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1935 echo "prob ${prob:-0.5}"
1936 printf '%s\n' $comp
1937 done
1938 }
1939
1940 do_random(){
1941 action=$1
1942 shift
1943 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1944 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1945 }
1946
1947 for opt do
1948 optval="${opt#*=}"
1949 case "$opt" in
1950 --extra-ldflags=*) add_ldflags $optval
1951 ;;
1952 --extra-libs=*) add_extralibs $optval
1953 ;;
1954 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1955 ;;
1956 --enable-debug=*) debuglevel="$optval"
1957 ;;
1958 --disable-everything)
1959 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1960 ;;
1961 --enable-random|--disable-random)
1962 action=${opt%%-random}
1963 do_random ${action#--} $COMPONENT_LIST
1964 ;;
1965 --enable-random=*|--disable-random=*)
1966 action=${opt%%-random=*}
1967 do_random ${action#--} $optval
1968 ;;
1969 --enable-*=*|--disable-*=*)
1970 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1971 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1972 eval list=\$$(toupper $thing)_LIST
1973 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1974 $action $(filter "$name" $list)
1975 ;;
1976 --enable-?*|--disable-?*)
1977 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1978 if is_in $option $COMPONENT_LIST; then
1979 test $action = disable && action=unset
1980 eval $action \$$(toupper ${option%s})_LIST
1981 elif is_in $option $CMDLINE_SELECT; then
1982 $action $option
1983 else
1984 die_unknown $opt
1985 fi
1986 ;;
1987 --list-*)
1988 NAME="${opt#--list-}"
1989 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1990 NAME=${NAME%s}
1991 eval show_list $NAME \$$(toupper $NAME)_LIST
1992 ;;
1993 --help|-h) show_help
1994 ;;
1995 *)
1996 optname="${opt%%=*}"
1997 optname="${optname#--}"
1998 optname=$(echo "$optname" | sed 's/-/_/g')
1999 if is_in $optname $CMDLINE_SET; then
2000 eval $optname='$optval'
2001 elif is_in $optname $CMDLINE_APPEND; then
2002 append $optname "$optval"
2003 else
2004 die_unknown $opt
2005 fi
2006 ;;
2007 esac
2008 done
2009
2010 disabled logging && logfile=/dev/null
2011
2012 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2013 set >> $logfile
2014
2015 test -n "$cross_prefix" && enable cross_compile
2016
2017 if enabled cross_compile; then
2018 test -n "$arch" && test -n "$target_os" ||
2019 die "Must specify target arch and OS when cross-compiling"
2020 fi
2021
2022 set_default arch target_os
2023
2024 ar_default="${cross_prefix}${ar_default}"
2025 cc_default="${cross_prefix}${cc_default}"
2026 nm_default="${cross_prefix}${nm_default}"
2027 pkg_config_default="${cross_prefix}${pkg_config_default}"
2028 ranlib="${cross_prefix}${ranlib}"
2029
2030 sysinclude_default="${sysroot}/usr/include"
2031
2032 set_default cc nm pkg_config sysinclude
2033 enabled cross_compile || host_cc_default=$cc
2034 set_default host_cc
2035
2036 if ! $pkg_config --version >/dev/null 2>&1; then
2037 warn "$pkg_config not found, library detection may fail."
2038 pkg_config=false
2039 fi
2040
2041 exesuf() {
2042 case $1 in
2043 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2044 esac
2045 }
2046
2047 EXESUF=$(exesuf $target_os)
2048 HOSTEXESUF=$(exesuf $host_os)
2049
2050 # set temporary file name
2051 : ${TMPDIR:=$TEMPDIR}
2052 : ${TMPDIR:=$TMP}
2053 : ${TMPDIR:=/tmp}
2054
2055 if ! check_cmd mktemp -u XXXXXX; then
2056 # simple replacement for missing mktemp
2057 # NOT SAFE FOR GENERAL USE
2058 mktemp(){
2059 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2060 }
2061 fi
2062
2063 tmpfile(){
2064 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2065 (set -C; exec > $tmp) 2>/dev/null ||
2066 die "Unable to create temporary file in $TMPDIR."
2067 append TMPFILES $tmp
2068 eval $1=$tmp
2069 }
2070
2071 trap 'rm -f -- $TMPFILES' EXIT
2072
2073 tmpfile TMPASM .asm
2074 tmpfile TMPC .c
2075 tmpfile TMPE $EXESUF
2076 tmpfile TMPH .h
2077 tmpfile TMPO .o
2078 tmpfile TMPS .S
2079 tmpfile TMPSH .sh
2080 tmpfile TMPV .ver
2081
2082 unset -f mktemp
2083
2084 chmod +x $TMPE
2085
2086 # make sure we can execute files in $TMPDIR
2087 cat > $TMPSH 2>> $logfile <<EOF
2088 #! /bin/sh
2089 EOF
2090 chmod +x $TMPSH >> $logfile 2>&1
2091 if ! $TMPSH >> $logfile 2>&1; then
2092 cat <<EOF
2093 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2094 variable to another directory and make sure that it is not mounted noexec.
2095 EOF
2096 die "Sanity test failed."
2097 fi
2098
2099 pgi_flags(){
2100 for flag; do
2101 case $flag in
2102 -fomit-frame-pointer) echo -Mnoframe ;;
2103 -g) echo -gopt ;;
2104 *) echo $flag ;;
2105 esac
2106 done
2107 }
2108
2109 suncc_flags(){
2110 for flag; do
2111 case $flag in
2112 -march=*|-mcpu=*)
2113 case "${flag#*=}" in
2114 native) echo -xtarget=native ;;
2115 v9|niagara) echo -xarch=sparc ;;
2116 ultrasparc) echo -xarch=sparcvis ;;
2117 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2118 i586|pentium) echo -xchip=pentium ;;
2119 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2120 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2121 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2122 pentium4*) echo -xtarget=pentium4 ;;
2123 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2124 *-sse3) echo -xarch=sse3 ;;
2125 core2) echo -xarch=ssse3 -xchip=core2 ;;
2126 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2127 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2128 k8|opteron|athlon64|athlon-fx)
2129 echo -xarch=sse2a ;;
2130 athlon*) echo -xarch=pentium_proa ;;
2131 esac
2132 ;;
2133 -std=c99) echo -xc99 ;;
2134 -fomit-frame-pointer) echo -xregs=frameptr ;;
2135 -fPIC) echo -KPIC -xcode=pic32 ;;
2136 -W*,*) echo $flag ;;
2137 -f*-*|-W*) ;;
2138 *) echo $flag ;;
2139 esac
2140 done
2141 }
2142
2143 tms470_flags(){
2144 for flag; do
2145 case $flag in
2146 -march=*|-mcpu=*)
2147 case "${flag#*=}" in
2148 armv7-a|cortex-a*) echo -mv=7a8 ;;
2149 armv7-r|cortex-r*) echo -mv=7r4 ;;
2150 armv7-m|cortex-m*) echo -mv=7m3 ;;
2151 armv6*|arm11*) echo -mv=6 ;;
2152 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2153 echo -mv=5e ;;
2154 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2155 esac
2156 ;;
2157 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2158 -mfpu=vfp) echo --float_support=vfpv2 ;;
2159 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2160 -msoft-float) echo --float_support=vfplib ;;
2161 -O[0-3]|-mf=*) echo $flag ;;
2162 -g) echo -g -mn ;;
2163 -pds=*) echo $flag ;;
2164 -D*|-I*) echo $flag ;;
2165 --gcc|--abi=*) echo $flag ;;
2166 -me) echo $flag ;;
2167 esac
2168 done
2169 }
2170
2171 probe_cc(){
2172 pfx=$1
2173 _cc=$2
2174
2175 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2176 unset _ld_o _ldflags _ld_lib _ld_path
2177 unset _depflags _DEPCMD _DEPFLAGS
2178 _flags_filter=echo
2179
2180 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2181 _type=llvm_gcc
2182 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2183 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2184 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2185 _cflags_speed='-O3'
2186 _cflags_size='-Os'
2187 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2188 _type=gcc
2189 gcc_version=$($_cc --version | head -n1)
2190 gcc_basever=$($_cc -dumpversion)
2191 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2192 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2193 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2194 if ! $_cc -dumpversion | grep -q '^2\.'; then
2195 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2196 fi
2197 _cflags_speed='-O3'
2198 _cflags_size='-Os'
2199 elif $_cc --version 2>/dev/null | grep -q Intel; then
2200 _type=icc
2201 _ident=$($_cc --version | head -n1)
2202 _depflags='-MMD'
2203 _cflags_speed='-O3'
2204 _cflags_size='-Os'
2205 _cflags_noopt='-O1'
2206 elif $_cc -v 2>&1 | grep -q xlc; then
2207 _type=xlc
2208 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2209 _cflags_speed='-O5'
2210 _cflags_size='-O5 -qcompact'
2211 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2212 _type=ccc
2213 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2214 _DEPFLAGS='-M'
2215 debuglevel=3
2216 _ldflags='-Wl,-z,now' # calls to libots crash without this
2217 _cflags_speed='-fast'
2218 _cflags_size='-O1'
2219 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2220 test -d "$sysroot" || die "No valid sysroot specified."
2221 _type=armcc
2222 _ident=$($_cc --vsn | head -n1)
2223 armcc_conf="$PWD/armcc.conf"
2224 $_cc --arm_linux_configure \
2225 --arm_linux_config_file="$armcc_conf" \
2226 --configure_sysroot="$sysroot" \
2227 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2228 die "Error creating armcc configuration file."
2229 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2230 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2231 as_default="${cross_prefix}gcc"
2232 _depflags='-MMD'
2233 _cflags_speed='-O3'
2234 _cflags_size='-Os'
2235 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2236 _type=tms470
2237 _ident=$($_cc -version | head -n1 | tr -s ' ')
2238 _flags='--gcc --abi=eabi -me'
2239 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2240 _cc_e='-ppl -fe=$@'
2241 _cc_o='-fe=$@'
2242 as_default="${cross_prefix}gcc"
2243 ld_default="${cross_prefix}gcc"
2244 _depflags='-ppa -ppd=$(@:.o=.d)'
2245 _cflags_speed='-O3 -mf=5'
2246 _cflags_size='-O3 -mf=2'
2247 _flags_filter=tms470_flags
2248 elif $_cc -v 2>&1 | grep -q clang; then
2249 _type=clang
2250 _ident=$($_cc --version | head -n1)
2251 _depflags='-MMD'
2252 _cflags_speed='-O3'
2253 _cflags_size='-Os'
2254 elif $_cc -V 2>&1 | grep -q Sun; then
2255 _type=suncc
2256 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2257 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2258 _DEPFLAGS='-xM1 -xc99'
2259 _ldflags='-std=c99'
2260 _cflags_speed='-O5'
2261 _cflags_size='-O5 -xspace'
2262 _flags_filter=suncc_flags
2263 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2264 _type=pathscale
2265 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2266 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2267 _cflags_speed='-O2'
2268 _cflags_size='-Os'
2269 _flags_filter='filter_out -Wdisabled-optimization'
2270 elif $_cc -v 2>&1 | grep -q Open64; then
2271 _type=open64
2272 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2273 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2274 _cflags_speed='-O2'
2275 _cflags_size='-Os'
2276 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2277 elif $_cc -V 2>&1 | grep -q Portland; then
2278 _type=pgi
2279 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2280 opt_common='-alias=ansi -Mlre -Mpre'
2281 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2282 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2283 _cflags_noopt="-O1"
2284 _flags_filter=pgi_flags
2285 fi
2286
2287 eval ${pfx}_type=\$_type
2288 eval ${pfx}_ident=\$_ident
2289 }
2290
2291 set_ccvars(){
2292 eval ${1}_C=\${_cc_c-\${${1}_C}}
2293 eval ${1}_E=\${_cc_e-\${${1}_E}}
2294 eval ${1}_O=\${_cc_o-\${${1}_O}}
2295
2296 if [ -n "$_depflags" ]; then
2297 eval ${1}_DEPFLAGS=\$_depflags
2298 else
2299 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2300 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2301 eval DEP${1}FLAGS=\$_flags
2302 fi
2303 }
2304
2305 probe_cc cc "$cc"
2306 cflags_filter=$_flags_filter
2307 cflags_speed=$_cflags_speed
2308 cflags_size=$_cflags_size
2309 cflags_noopt=$_cflags_noopt
2310 add_cflags $_flags $_cflags
2311 cc_ldflags=$_ldflags
2312 set_ccvars CC
2313
2314 probe_cc hostcc "$host_cc"
2315 host_cflags_filter=$_flags_filter
2316 add_host_cflags $_flags $_cflags
2317 set_ccvars HOSTCC
2318
2319 test -n "$cc_type" && enable $cc_type ||
2320 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2321
2322 : ${as_default:=$cc}
2323 : ${dep_cc_default:=$cc}
2324 : ${ld_default:=$cc}
2325 : ${host_ld_default:=$host_cc}
2326 set_default ar as dep_cc ld host_ld
2327
2328 probe_cc as "$as"
2329 asflags_filter=$_flags_filter
2330 add_asflags $_flags $_cflags
2331 set_ccvars AS
2332
2333 probe_cc ld "$ld"
2334 ldflags_filter=$_flags_filter
2335 add_ldflags $_flags $_ldflags
2336 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2337 LD_O=${_ld_o-$LD_O}
2338 LD_LIB=${_ld_lib-$LD_LIB}
2339 LD_PATH=${_ld_path-$LD_PATH}
2340
2341 probe_cc hostld "$host_ld"
2342 host_ldflags_filter=$_flags_filter
2343 add_host_ldflags $_flags $_ldflags
2344 HOSTLD_O=${_ld_o-$HOSTLD_O}
2345
2346 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2347 probe_cc depcc "$dep_cc"
2348 CCDEP=${_DEPCMD:-$DEPCMD}
2349 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2350 DEPCCFLAGS=$_flags
2351 fi
2352
2353 add_cflags $extra_cflags
2354 add_asflags $extra_cflags
2355
2356 if test -n "$sysroot"; then
2357 case "$cc_type" in
2358 gcc|llvm_gcc|clang)
2359 add_cppflags --sysroot="$sysroot"
2360 add_ldflags --sysroot="$sysroot"
2361 ;;
2362 tms470)
2363 add_cppflags -I"$sysinclude"
2364 add_ldflags --sysroot="$sysroot"
2365 ;;
2366 esac
2367 fi
2368
2369 if test "$cpu" = host; then
2370 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2371
2372 case "$cc_type" in
2373 gcc|llvm_gcc)
2374 check_native(){
2375 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2376 sed -n "/cc1.*$1=/{
2377 s/.*$1=\\([^ ]*\\).*/\\1/
2378 p
2379 q
2380 }" $TMPE
2381 }
2382 cpu=$(check_native -march || check_native -mcpu)
2383 ;;
2384 esac
2385
2386 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2387 fi
2388
2389 # Deal with common $arch aliases
2390 case "$arch" in
2391 arm*)
2392 arch="arm"
2393 ;;
2394 mips|mipsel|IP*)
2395 arch="mips"
2396 ;;
2397 mips64*)
2398 arch="mips"
2399 subarch="mips64"
2400 ;;
2401 parisc|hppa)
2402 arch="parisc"
2403 ;;
2404 parisc64|hppa64)
2405 arch="parisc"
2406 subarch="parisc64"
2407 ;;
2408 "Power Macintosh"|ppc|powerpc)
2409 arch="ppc"
2410 ;;
2411 ppc64|powerpc64)
2412 arch="ppc"
2413 subarch="ppc64"
2414 ;;
2415 s390|s390x)
2416 arch="s390"
2417 ;;
2418 sh4|sh)
2419 arch="sh4"
2420 ;;
2421 sun4u|sparc64)
2422 arch="sparc"
2423 subarch="sparc64"
2424 ;;
2425 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2426 arch="x86"
2427 ;;
2428 esac
2429
2430 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2431 enable $arch
2432
2433 # Add processor-specific flags
2434 if test "$cpu" = generic; then
2435 : do nothing
2436 elif enabled ppc; then
2437
2438 case $(tolower $cpu) in
2439 601|ppc601|powerpc601)
2440 cpuflags="-mcpu=601"
2441 disable altivec
2442 ;;
2443 603*|ppc603*|powerpc603*)
2444 cpuflags="-mcpu=603"
2445 disable altivec
2446 ;;
2447 604*|ppc604*|powerpc604*)
2448 cpuflags="-mcpu=604"
2449 disable altivec
2450 ;;
2451 g3|75*|ppc75*|powerpc75*)
2452 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2453 disable altivec
2454 ;;
2455 g4|745*|ppc745*|powerpc745*)
2456 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2457 ;;
2458 74*|ppc74*|powerpc74*)
2459 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2460 ;;
2461 g5|970|ppc970|powerpc970)
2462 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2463 ;;
2464 power[3-7]*)
2465 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2466 ;;
2467 cell)
2468 cpuflags="-mcpu=cell"
2469 enable ldbrx
2470 ;;
2471 e500mc)
2472 cpuflags="-mcpu=e500mc"
2473 disable altivec
2474 ;;
2475 e500v2)
2476 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2477 disable altivec
2478 ;;
2479 e500)
2480 cpuflags="-mcpu=8540 -mhard-float"
2481 disable altivec
2482 ;;
2483 esac
2484
2485 elif enabled x86; then
2486
2487 case $cpu in
2488 i[345]86|pentium)
2489 cpuflags="-march=$cpu"
2490 disable mmx
2491 ;;
2492 # targets that do NOT support conditional mov (cmov)
2493 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2494 cpuflags="-march=$cpu"
2495 disable cmov
2496 ;;
2497 # targets that do support conditional mov (cmov)
2498 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2499 cpuflags="-march=$cpu"
2500 enable cmov
2501 enable fast_cmov
2502 ;;
2503 # targets that do support conditional mov but on which it's slow
2504 pentium4|pentium4m|prescott|nocona)
2505 cpuflags="-march=$cpu"
2506 enable cmov
2507 disable fast_cmov
2508 ;;
2509 esac
2510
2511 elif enabled sparc; then
2512
2513 case $cpu in
2514 niagara)
2515 cpuflags="-mcpu=$cpu"
2516 disable vis
2517 ;;
2518 sparc64)
2519 cpuflags="-mcpu=v9"
2520 ;;
2521 esac
2522
2523 elif enabled arm; then
2524
2525 case $cpu in
2526 armv*)
2527 cpuflags="-march=$cpu"
2528 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2529 ;;
2530 *)
2531 cpuflags="-mcpu=$cpu"
2532 case $cpu in
2533 cortex-a*) subarch=armv7a ;;
2534 cortex-r*) subarch=armv7r ;;
2535 cortex-m*) enable thumb; subarch=armv7m ;;
2536 arm11*) subarch=armv6 ;;
2537 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2538 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2539 esac
2540 ;;
2541 esac
2542
2543 elif enabled alpha; then
2544
2545 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2546
2547 elif enabled bfin; then
2548
2549 cpuflags="-mcpu=$cpu"
2550
2551 elif enabled mips; then
2552
2553 cpuflags="-march=$cpu"
2554
2555 elif enabled avr32; then
2556
2557 case $cpu in
2558 ap7[02]0[0-2])
2559 subarch="avr32_ap"
2560 cpuflags="-mpart=$cpu"
2561 ;;
2562 ap)
2563 subarch="avr32_ap"
2564 cpuflags="-march=$cpu"
2565 ;;
2566 uc3[ab]*)
2567 subarch="avr32_uc"
2568 cpuflags="-mcpu=$cpu"
2569 ;;
2570 uc)
2571 subarch="avr32_uc"
2572 cpuflags="-march=$cpu"
2573 ;;
2574 esac
2575
2576 fi
2577
2578 add_cflags $cpuflags
2579 add_asflags $cpuflags
2580
2581 # compiler sanity check
2582 check_exec <<EOF
2583 int main(void){ return 0; }
2584 EOF
2585 if test "$?" != 0; then
2586 echo "$cc is unable to create an executable file."
2587 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2588 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2589 echo "Only do this if you know what cross compiling means."
2590 fi
2591 die "C compiler test failed."
2592 fi
2593
2594 add_cppflags -D_ISOC99_SOURCE
2595 check_cflags -std=c99
2596 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2597 #include <stdlib.h>
2598 EOF
2599 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2600 #include <stdlib.h>
2601 EOF
2602
2603 check_host_cflags -std=c99
2604 check_host_cflags -Wall
2605
2606 case "$arch" in
2607 alpha|ia64|mips|parisc|sparc)
2608 spic=$shared
2609 ;;
2610 x86)
2611 subarch="x86_32"
2612 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2613 if test "$subarch" = "x86_64"; then
2614 spic=$shared
2615 fi
2616 ;;
2617 esac
2618
2619 enable $subarch
2620 enabled spic && enable pic
2621
2622 # OS specific
2623 case $target_os in
2624 haiku)
2625 prefix_default="/boot/common"
2626 network_extralibs="-lnetwork"
2627 host_libs=
2628 ;;
2629 sunos)
2630 AVSERVERLDFLAGS=""
2631 SHFLAGS='-shared -Wl,-h,$$(@F)'
2632 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2633 network_extralibs="-lsocket -lnsl"
2634 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2635 # When using suncc to build, the Solaris linker will mark
2636 # an executable with each instruction set encountered by
2637 # the Solaris assembler. As our libraries contain their own
2638 # guards for processor-specific code, instead suppress
2639 # generation of the HWCAPS ELF section on Solaris x86 only.
2640 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2641 nm_opts='-P -g'
2642 ;;
2643 netbsd)
2644 disable symver
2645 oss_indev_extralibs="-lossaudio"
2646 oss_outdev_extralibs="-lossaudio"
2647 ;;
2648 openbsd|bitrig)
2649 # On OpenBSD 4.5. the compiler does not use PIC unless
2650 # explicitly using -fPIC. Libav builds fine without PIC,
2651 # however the generated executable will not do anything
2652 # (simply quits with exit-code 1, no crash, no output).
2653 # Thus explicitly enable PIC here.
2654 enable pic
2655 disable symver
2656 SHFLAGS='-shared'
2657 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2658 SLIB_INSTALL_LINKS=
2659 oss_indev_extralibs="-lossaudio"
2660 oss_outdev_extralibs="-lossaudio"
2661 ;;
2662 dragonfly)
2663 disable symver
2664 ;;
2665 freebsd)
2666 ;;
2667 bsd/os)
2668 add_extralibs -lpoll -lgnugetopt
2669 ;;
2670 darwin)
2671 gas="gas-preprocessor.pl $cc"
2672 enabled ppc && add_asflags -force_cpusubtype_ALL
2673 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2674 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2675 add_ldflags -Wl,-dynamic,-search_paths_first
2676 SLIBSUF=".dylib"
2677 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2678 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2679 AVSERVERLDFLAGS=-Wl,-bind_at_load
2680 objformat="macho"
2681 enabled x86_64 && objformat="macho64"
2682 enabled_any pic shared ||
2683 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2684 ;;
2685 mingw32*)
2686 if test $target_os = "mingw32ce"; then
2687 disable network
2688 else
2689 target_os=mingw32
2690 fi
2691 LIBTARGET=i386
2692 if enabled x86_64; then
2693 LIBTARGET="i386:x86-64"
2694 elif enabled arm; then
2695 LIBTARGET=arm-wince
2696 fi
2697 shlibdir_default="$bindir_default"
2698 SLIBPREF=""
2699 SLIBSUF=".dll"
2700 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2701 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2702 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2703 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2704 SLIB_INSTALL_LINKS=
2705 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2706 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2707 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'
2708 objformat="win32"
2709 dlltool="${cross_prefix}dlltool"
2710 ranlib=:
2711 enable dos_paths
2712 check_cflags -fno-common
2713 add_cppflags -U__STRICT_ANSI__
2714 ;;
2715 cygwin*)
2716 target_os=cygwin
2717 shlibdir_default="$bindir_default"
2718 SLIBPREF="cyg"
2719 SLIBSUF=".dll"
2720 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2721 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2722 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2723 SLIB_INSTALL_LINKS=
2724 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2725 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2726 objformat="win32"
2727 enable dos_paths
2728 check_cflags -fno-common
2729 add_cppflags -U__STRICT_ANSI__
2730 ;;
2731 *-dos|freedos|opendos)
2732 network_extralibs="-lsocket"
2733 objformat="coff"
2734 enable dos_paths
2735 add_cppflags -U__STRICT_ANSI__
2736 ;;
2737 linux)
2738 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2739 enable dv1394
2740 ;;
2741 irix*)
2742 target_os=irix
2743 ranlib="echo ignoring ranlib"
2744 ;;
2745 os/2*)
2746 ln_s="cp -f"
2747 objformat="aout"
2748 add_cppflags -D_GNU_SOURCE
2749 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2750 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2751 AVSERVERLDFLAGS=""
2752 LIBSUF="_s.a"
2753 SLIBPREF=""
2754 SLIBSUF=".dll"
2755 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2756 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2757 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2758 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2759 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2760 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2761 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2762 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2763 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2764 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2765 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2766 enable dos_paths
2767 ;;
2768 gnu/kfreebsd)
2769 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2770 ;;
2771 gnu)
2772 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2773 ;;
2774 qnx)
2775 add_cppflags -D_QNX_SOURCE
2776 network_extralibs="-lsocket"
2777 ;;
2778 symbian)
2779 SLIBSUF=".dll"
2780 enable dos_paths
2781 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2782 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2783 add_ldflags -Wl,--target1-abs,--no-undefined \
2784 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2785 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2786 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2787 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2788 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2789 ;;
2790 none)
2791 ;;
2792 *)
2793 die "Unknown OS '$target_os'."
2794 ;;
2795 esac
2796
2797 # determine libc flavour
2798
2799 if check_cpp_condition features.h "defined __UCLIBC__"; then
2800 libc_type=uclibc
2801 elif check_cpp_condition features.h "defined __GLIBC__"; then
2802 libc_type=glibc
2803 elif check_header _mingw.h; then
2804 libc_type=mingw
2805 check_cpp_condition _mingw.h \
2806 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2807 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2808 die "ERROR: MinGW runtime version must be >= 3.15."
2809 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2810 libc_type=newlib
2811 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2812 libc_type=klibc
2813 fi
2814
2815 test -n "$libc_type" && enable $libc_type
2816
2817 esc(){
2818 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2819 }
2820
2821 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2822
2823 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2824
2825 set_default $PATHS_LIST
2826
2827 # we need to build at least one lib type
2828 if ! enabled_any static shared; then
2829 cat <<EOF
2830 At least one library type must be built.
2831 Specify --enable-static to build the static libraries or --enable-shared to
2832 build the shared libraries as well. To only build the shared libraries specify
2833 --disable-static in addition to --enable-shared.
2834 EOF
2835 exit 1;
2836 fi
2837
2838 die_license_disabled() {
2839 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2840 }
2841
2842 die_license_disabled gpl libcdio
2843 die_license_disabled gpl libx264
2844 die_license_disabled gpl libxavs
2845 die_license_disabled gpl libxvid
2846 die_license_disabled gpl x11grab
2847
2848 die_license_disabled nonfree libfaac
2849 die_license_disabled nonfree libfdk_aac
2850 die_license_disabled nonfree openssl
2851
2852 die_license_disabled version3 libopencore_amrnb
2853 die_license_disabled version3 libopencore_amrwb
2854 die_license_disabled version3 libvo_aacenc
2855 die_license_disabled version3 libvo_amrwbenc
2856
2857 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2858
2859 disabled optimizations || check_cflags -fomit-frame-pointer
2860
2861 enable_pic() {
2862 enable pic
2863 add_cppflags -DPIC
2864 add_cflags -fPIC
2865 add_asflags -fPIC
2866 }
2867
2868 enabled pic && enable_pic
2869
2870 check_cc <<EOF || die "Symbol mangling check failed."
2871 int ff_extern;
2872 EOF
2873 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2874 extern_prefix=${sym%%ff_extern*}
2875
2876 check_cc <<EOF && enable inline_asm
2877 void foo(void) { __asm__ volatile ("" ::); }
2878 EOF
2879
2880 _restrict=
2881 for restrict_keyword in restrict __restrict__ __restrict; do
2882 check_cc <<EOF && _restrict=$restrict_keyword && break
2883 void foo(char * $restrict_keyword p);
2884 EOF
2885 done
2886
2887 check_cc <<EOF && enable attribute_packed
2888 struct { int x; } __attribute__((packed)) x;
2889 EOF
2890
2891 check_cc <<EOF && enable attribute_may_alias
2892 union { int x; } __attribute__((may_alias)) x;
2893 EOF
2894
2895 check_cc <<EOF || die "endian test failed"
2896 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2897 EOF
2898 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2899
2900 if enabled alpha; then
2901
2902 check_cflags -mieee
2903
2904 elif enabled arm; then
2905
2906 enabled thumb && check_cflags -mthumb || check_cflags -marm
2907 nogas=die
2908
2909 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2910 enable vfp_args
2911 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2912 case "${cross_prefix:-$cc}" in
2913 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2914 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2915 __asm__ (".eabi_attribute 28, 1");
2916 int main(void) { return 0; }
2917 EOF
2918 esac
2919 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2920 fi
2921
2922 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2923 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2924 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2925 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2926 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2927 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
2928
2929 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2930 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2931
2932 enabled_all armv6t2 shared !pic && enable_pic
2933
2934 elif enabled mips; then
2935
2936 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2937 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
2938
2939 elif enabled ppc; then
2940
2941 enable local_aligned_8 local_aligned_16
2942
2943 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2944 check_inline_asm ibm_asm '"add 0, 0, 0"'
2945 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
2946 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2947
2948 # AltiVec flags: The FSF version of GCC differs from the Apple version
2949 if enabled altivec; then
2950 nogas=warn
2951 check_cflags -maltivec -mabi=altivec &&
2952 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2953 check_cflags -faltivec
2954
2955 # check if our compiler supports Motorola AltiVec C API
2956 check_cc <<EOF || disable altivec
2957 $inc_altivec_h
2958 int main(void) {
2959 vector signed int v1 = (vector signed int) { 0 };
2960 vector signed int v2 = (vector signed int) { 1 };
2961 v1 = vec_add(v1, v2);
2962 return 0;
2963 }
2964 EOF
2965
2966 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
2967 fi
2968
2969 elif enabled sparc; then
2970
2971 enabled vis &&
2972 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2973 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2974
2975 elif enabled x86; then
2976
2977 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
2978 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
2979 check_code ld intrin.h "__rdtsc()" && enable rdtsc
2980 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
2981
2982 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2983
2984 enable local_aligned_8 local_aligned_16
2985
2986 # check whether EBP is available on x86
2987 # As 'i' is stored on the stack, this program will crash
2988 # if the base pointer is used to access it because the
2989 # base pointer is cleared in the inline assembly code.
2990 check_exec_crash <<EOF && enable ebp_available
2991 volatile int i=0;
2992 __asm__ volatile (
2993 "xorl %%ebp, %%ebp"
2994 ::: "%ebp");
2995 return i;
2996 EOF
2997
2998 # check whether EBX is available on x86
2999 check_inline_asm ebx_available '""::"b"(0)' &&
3000 check_inline_asm ebx_available '"":::"%ebx"'
3001
3002 # check whether xmm clobbers are supported
3003 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3004
3005 # check whether binutils is new enough to compile SSSE3/MMXEXT
3006 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3007 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3008
3009 if ! disabled_any asm mmx yasm; then
3010 if check_cmd $yasmexe --version; then
3011 enabled x86_64 && yasm_extra="-m amd64"
3012 yasm_debug="-g dwarf2"
3013 elif check_cmd nasm -v; then
3014 yasmexe=nasm
3015 yasm_debug="-g -F dwarf"
3016 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3017 fi
3018
3019 YASMFLAGS="-f $objformat $yasm_extra"
3020 enabled pic && append YASMFLAGS "-DPIC"
3021 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3022 case "$objformat" in
3023 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3024 esac
3025
3026 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3027 die "yasm not found, use --disable-yasm for a crippled build"
3028 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3029 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3030 check_yasm "CPU amdnop" && enable cpunop
3031 fi
3032
3033 case "$cpu" in
3034 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3035 disable fast_clz
3036 ;;
3037 esac
3038
3039 fi
3040
3041 if enabled asm; then
3042 as=${gas:=$as}
3043 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3044 $nogas "GNU assembler not found, install gas-preprocessor"
3045 fi
3046
3047 check_ldflags -Wl,--as-needed
3048
3049 if check_func dlopen; then
3050 ldl=
3051 elif check_func dlopen -ldl; then
3052 ldl=-ldl
3053 fi
3054
3055 if enabled network; then
3056 check_type "sys/types.h sys/socket.h" socklen_t
3057 check_type netdb.h "struct addrinfo"
3058 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3059 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3060 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3061 check_type netinet/in.h "struct sockaddr_in6"
3062 check_type poll.h "struct pollfd"
3063 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3064 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3065 check_type netinet/sctp.h "struct sctp_event_subscribe"
3066 check_func getaddrinfo $network_extralibs
3067 # Prefer arpa/inet.h over winsock2
3068 if check_header arpa/inet.h ; then
3069 check_func closesocket
3070 elif check_header winsock2.h ; then
3071 check_func_headers winsock2.h closesocket -lws2 &&
3072 network_extralibs="-lws2" ||
3073 { check_func_headers winsock2.h closesocket -lws2_32 &&
3074 network_extralibs="-lws2_32"; }
3075 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3076 check_type ws2tcpip.h socklen_t
3077 check_type ws2tcpip.h "struct addrinfo"
3078 check_type ws2tcpip.h "struct group_source_req"
3079 check_type ws2tcpip.h "struct ip_mreq_source"
3080 check_type ws2tcpip.h "struct ipv6_mreq"
3081 check_type winsock2.h "struct pollfd"
3082 check_type ws2tcpip.h "struct sockaddr_in6"
3083 check_type ws2tcpip.h "struct sockaddr_storage"
3084 check_struct winsock2.h "struct sockaddr" sa_len
3085 else
3086 disable network
3087 fi
3088 fi
3089
3090 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3091 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3092
3093 check_func fcntl
3094 check_func fork
3095 check_func gethrtime
3096 check_func getopt
3097 check_func getrusage
3098 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3099 check_func gettimeofday
3100 check_func inet_aton $network_extralibs
3101 check_func isatty
3102 check_func localtime_r
3103 check_func ${malloc_prefix}memalign && enable memalign
3104 check_func mkstemp
3105 check_func mmap
3106 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3107 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3108 check_func setrlimit
3109 check_func strerror_r
3110 check_func strptime
3111 check_func strtok_r
3112 check_func sched_getaffinity
3113 check_func sysconf
3114 check_func sysctl
3115 check_func usleep
3116 check_func_headers io.h setmode
3117 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3118 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3119 check_func_headers windows.h GetProcessAffinityMask
3120 check_func_headers windows.h GetProcessTimes
3121 check_func_headers windows.h GetSystemTimeAsFileTime
3122 check_func_headers windows.h MapViewOfFile
3123 check_func_headers windows.h Sleep
3124 check_func_headers windows.h VirtualAlloc
3125
3126 check_header dlfcn.h
3127 check_header dxva.h
3128 check_header dxva2api.h
3129 check_header io.h
3130 check_header malloc.h
3131 check_header poll.h
3132 check_header sys/mman.h
3133 check_header sys/param.h
3134 check_header sys/resource.h
3135 check_header sys/select.h
3136 check_header sys/time.h
3137 check_header unistd.h
3138 check_header vdpau/vdpau.h
3139 check_header vdpau/vdpau_x11.h
3140 check_header windows.h
3141 check_header X11/extensions/XvMClib.h
3142
3143 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3144 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3145
3146 if ! disabled w32threads && ! enabled pthreads; then
3147 check_func _beginthreadex && enable w32threads
3148 fi
3149
3150 # check for some common methods of building with pthread support
3151 # do this before the optional library checks as some of them require pthreads
3152 if ! disabled pthreads && ! enabled w32threads; then
3153 enable pthreads
3154 if check_func pthread_create; then
3155 :
3156 elif check_func pthread_create -pthread; then
3157 add_cflags -pthread
3158 add_extralibs -pthread
3159 elif check_func pthread_create -pthreads; then
3160 add_cflags -pthreads
3161 add_extralibs -pthreads
3162 elif check_func pthread_create -lpthreadGC2; then
3163 add_extralibs -lpthreadGC2
3164 elif ! check_lib pthread.h pthread_create -lpthread; then
3165 disable pthreads
3166 fi
3167 fi
3168
3169 for thread in $THREADS_LIST; do
3170 if enabled $thread; then
3171 test -n "$thread_type" &&
3172 die "ERROR: Only one thread type must be selected." ||
3173 thread_type="$thread"
3174 fi
3175 done
3176
3177 check_lib math.h sin -lm && LIBM="-lm"
3178 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3179
3180 check_mathfunc cbrtf
3181 check_mathfunc exp2
3182 check_mathfunc exp2f
3183 check_mathfunc isinf
3184 check_mathfunc isnan
3185 check_mathfunc llrint
3186 check_mathfunc llrintf
3187 check_mathfunc log2
3188 check_mathfunc log2f
3189 check_mathfunc lrint
3190 check_mathfunc lrintf
3191 check_mathfunc rint
3192 check_mathfunc round
3193 check_mathfunc roundf
3194 check_mathfunc trunc
3195 check_mathfunc truncf
3196
3197 # these are off by default, so fail if requested and not available
3198 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3199 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3200 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3201 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3202 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3203 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3204 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3205 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3206 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3207 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3208 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3209 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3210 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3211 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3212 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3213 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3214 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3215 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3216 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3217 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3218 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3219 enabled libvpx && {
3220 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3221 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3222 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3223 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3224 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3225 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3226 die "ERROR: libx264 version must be >= 0.118."; }
3227 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3228 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3229 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3230 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3231 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3232 die "ERROR: openssl not found"; }
3233
3234 if enabled gnutls; then
3235 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3236 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3237 fi
3238
3239 # libdc1394 check
3240 if enabled libdc1394; then
3241 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3242 enable libdc1394_2; } ||
3243 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3244 enable libdc1394_1; } ||
3245 die "ERROR: No version of libdc1394 found "
3246 fi
3247
3248 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3249 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3250 enable sdl &&
3251 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3252 fi
3253
3254 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3255
3256 check_header linux/fb.h
3257 check_header linux/videodev2.h
3258 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3259
3260 check_header sys/videoio.h
3261
3262 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3263 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3264 # w32api 3.12 had it defined wrong
3265 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3266
3267 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3268 { check_header dev/bktr/ioctl_meteor.h &&
3269 check_header dev/bktr/ioctl_bt848.h; } ||
3270 { check_header machine/ioctl_meteor.h &&
3271 check_header machine/ioctl_bt848.h; } ||
3272 { check_header dev/video/meteor/ioctl_meteor.h &&
3273 check_header dev/video/bktr/ioctl_bt848.h; } ||
3274 check_header dev/ic/bt8xx.h
3275
3276 check_header sndio.h
3277 check_header sys/soundcard.h
3278 check_header soundcard.h
3279
3280 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3281
3282 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3283 check_func jack_port_get_latency_range -ljack
3284
3285 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3286
3287 enabled libcdio &&
3288 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3289
3290 enabled x11grab &&
3291 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3292 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3293 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3294
3295 # check for VDA header
3296 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3297 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3298 fi
3299
3300 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3301 check_cpp_condition \
3302 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3303 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3304 disable vdpau; }
3305 fi
3306
3307 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3308
3309 # add some useful compiler flags if supported
3310 check_cflags -Wdeclaration-after-statement
3311 check_cflags -Wall
3312 check_cflags -Wno-parentheses
3313 check_cflags -Wno-switch
3314 check_cflags -Wno-format-zero-length
3315 check_cflags -Wdisabled-optimization
3316 check_cflags -Wpointer-arith
3317 check_cflags -Wredundant-decls
3318 check_cflags -Wno-pointer-sign
3319 check_cflags -Wcast-qual
3320 check_cflags -Wwrite-strings
3321 check_cflags -Wtype-limits
3322 check_cflags -Wundef
3323 check_cflags -Wmissing-prototypes
3324 check_cflags -Wstrict-prototypes
3325 enabled extra_warnings && check_cflags -Winline
3326
3327 # add some linker flags
3328 check_ldflags -Wl,--warn-common
3329 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3330 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3331
3332 enabled xmm_clobber_test &&
3333 check_ldflags -Wl,--wrap,avcodec_open2 \
3334 -Wl,--wrap,avcodec_decode_audio4 \
3335 -Wl,--wrap,avcodec_decode_video2 \
3336 -Wl,--wrap,avcodec_decode_subtitle2 \
3337 -Wl,--wrap,avcodec_encode_audio2 \
3338 -Wl,--wrap,avcodec_encode_video \
3339 -Wl,--wrap,avcodec_encode_subtitle \
3340 -Wl,--wrap,sws_scale ||
3341 disable xmm_clobber_test
3342
3343 echo "X{};" > $TMPV
3344 if test_ldflags -Wl,--version-script,$TMPV; then
3345 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3346 check_cc <<EOF && enable symver_asm_label
3347 void ff_foo(void) __asm__ ("av_foo@VERSION");
3348 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3349 EOF
3350 check_cc <<EOF && enable symver_gnu_asm
3351 __asm__(".symver ff_foo,av_foo@VERSION");
3352 void ff_foo(void) {}
3353 EOF
3354 fi
3355
3356 if [ -n "$optflags" ]; then
3357 add_cflags $optflags
3358 elif enabled small; then
3359 add_cflags $cflags_size
3360 elif enabled optimizations; then
3361 add_cflags $cflags_speed
3362 else
3363 add_cflags $cflags_noopt
3364 fi
3365 check_cflags -fno-math-errno
3366 check_cflags -fno-signed-zeros
3367
3368 if enabled icc; then
3369 # Just warnings, no remarks
3370 check_cflags -w1
3371 # -wd: Disable following warnings
3372 # 144, 167, 556: -Wno-pointer-sign
3373 # 1292: attribute "foo" ignored
3374 # 1419: external declaration in primary source file
3375 # 10006: ignoring unknown option -fno-signed-zeros
3376 # 10148: ignoring unknown option -Wno-parentheses
3377 # 10156: ignoring option '-W'; no argument required
3378 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3379 # 11030: Warning unknown option --as-needed
3380 # 10156: ignoring option '-export'; no argument required
3381 check_ldflags -wd10156,11030
3382 # Allow to compile with optimizations
3383 check_ldflags -march=$cpu
3384 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3385 enable ebp_available
3386 if enabled x86_32; then
3387 icc_version=$($cc -dumpversion)
3388 test ${icc_version%%.*} -ge 11 &&
3389 check_cflags -falign-stack=maintain-16-byte ||
3390 disable aligned_stack
3391 fi
3392 elif enabled ccc; then
3393 # disable some annoying warnings
3394 add_cflags -msg_disable cvtu32to64
3395 add_cflags -msg_disable embedcomment
3396 add_cflags -msg_disable needconstext
3397 add_cflags -msg_disable nomainieee
3398 add_cflags -msg_disable ptrmismatch1
3399 add_cflags -msg_disable unreachcode
3400 elif enabled gcc; then
3401 check_cflags -fno-tree-vectorize
3402 check_cflags -Werror=implicit-function-declaration
3403 check_cflags -Werror=missing-prototypes
3404 check_cflags -Werror=declaration-after-statement
3405 elif enabled llvm_gcc; then
3406 check_cflags -mllvm -stack-alignment=16
3407 elif enabled clang; then
3408 check_cflags -mllvm -stack-alignment=16
3409 check_cflags -Qunused-arguments
3410 elif enabled armcc; then
3411 # 2523: use of inline assembler is deprecated
3412 add_cflags -W${armcc_opt},--diag_suppress=2523
3413 add_cflags -W${armcc_opt},--diag_suppress=1207
3414 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3415 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3416 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3417 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3418 elif enabled tms470; then
3419 add_cflags -pds=824 -pds=837
3420 elif enabled pathscale; then
3421 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3422 fi
3423
3424 enabled_any $THREADS_LIST && enable threads
3425
3426 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3427
3428 check_deps $CONFIG_LIST \
3429 $CONFIG_EXTRA \
3430 $HAVE_LIST \
3431 $ALL_COMPONENTS \
3432 $ALL_TESTS \
3433
3434 ! enabled_any memalign posix_memalign aligned_malloc &&
3435 enabled_any $need_memalign && enable memalign_hack
3436
3437 echo "install prefix $prefix"
3438 echo "source path $source_path"
3439 echo "C compiler $cc"
3440 echo "ARCH $arch ($cpu)"
3441 if test "$build_suffix" != ""; then
3442 echo "build suffix $build_suffix"
3443 fi
3444 if test "$extra_version" != ""; then
3445 echo "version string suffix $extra_version"
3446 fi
3447 echo "big-endian ${bigendian-no}"
3448 echo "runtime cpu detection ${runtime_cpudetect-no}"
3449 if enabled x86; then
3450 echo "${yasmexe} ${yasm-no}"
3451 echo "MMX enabled ${mmx-no}"
3452 echo "MMXEXT enabled ${mmxext-no}"
3453 echo "3DNow! enabled ${amd3dnow-no}"
3454 echo "3DNow! extended enabled ${amd3dnowext-no}"
3455 echo "SSE enabled ${sse-no}"
3456 echo "SSSE3 enabled ${ssse3-no}"
3457 echo "AVX enabled ${avx-no}"
3458 echo "FMA4 enabled ${fma4-no}"
3459 echo "CMOV enabled ${cmov-no}"
3460 echo "CMOV is fast ${fast_cmov-no}"
3461 echo "EBX available ${ebx_available-no}"
3462 echo "EBP available ${ebp_available-no}"
3463 fi
3464 if enabled arm; then
3465 echo "ARMv5TE enabled ${armv5te-no}"
3466 echo "ARMv6 enabled ${armv6-no}"
3467 echo "ARMv6T2 enabled ${armv6t2-no}"
3468 echo "ARM VFP enabled ${armvfp-no}"
3469 echo "NEON enabled ${neon-no}"
3470 fi
3471 if enabled mips; then
3472 echo "MMI enabled ${mmi-no}"
3473 fi
3474 if enabled ppc; then
3475 echo "AltiVec enabled ${altivec-no}"
3476 echo "PPC 4xx optimizations ${ppc4xx-no}"
3477 echo "dcbzl available ${dcbzl-no}"
3478 fi
3479 if enabled sparc; then
3480 echo "VIS enabled ${vis-no}"
3481 fi
3482 echo "debug symbols ${debug-no}"
3483 echo "optimize for size ${small-no}"
3484 echo "optimizations ${optimizations-no}"
3485 echo "static ${static-no}"
3486 echo "shared ${shared-no}"
3487 echo "new filter support ${avfilter-no}"
3488 echo "network support ${network-no}"
3489 echo "threading support ${thread_type-no}"
3490 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3491 echo "SDL support ${sdl-no}"
3492 echo "libdxva2 enabled ${dxva2-no}"
3493 echo "libva enabled ${vaapi-no}"
3494 echo "libvdpau enabled ${vdpau-no}"
3495 echo "AVISynth enabled ${avisynth-no}"
3496 echo "frei0r enabled ${frei0r-no}"
3497 echo "gnutls enabled ${gnutls-no}"
3498 echo "libcdio support ${libcdio-no}"
3499 echo "libdc1394 support ${libdc1394-no}"
3500 echo "libfaac enabled ${libfaac-no}"
3501 echo "libfdk-aac enabled ${libfdk_aac-no}"
3502 echo "libgsm enabled ${libgsm-no}"
3503 echo "libilbc enabled ${libilbc-no}"
3504 echo "libmp3lame enabled ${libmp3lame-no}"
3505 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3506 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3507 echo "libopencv support ${libopencv-no}"
3508 echo "libopenjpeg enabled ${libopenjpeg-no}"
3509 echo "libpulse enabled ${libpulse-no}"
3510 echo "librtmp enabled ${librtmp-no}"
3511 echo "libschroedinger enabled ${libschroedinger-no}"
3512 echo "libspeex enabled ${libspeex-no}"
3513 echo "libtheora enabled ${libtheora-no}"
3514 echo "libvo-aacenc support ${libvo_aacenc-no}"
3515 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3516 echo "libvorbis enabled ${libvorbis-no}"
3517 echo "libvpx enabled ${libvpx-no}"
3518 echo "libx264 enabled ${libx264-no}"
3519 echo "libxavs enabled ${libxavs-no}"
3520 echo "libxvid enabled ${libxvid-no}"
3521 echo "openssl enabled ${openssl-no}"
3522 echo "zlib enabled ${zlib-no}"
3523 echo "bzlib enabled ${bzlib-no}"
3524 test -n "$random_seed" &&
3525 echo "random seed ${random_seed}"
3526 echo
3527
3528 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3529 echo "Enabled ${type}s:"
3530 eval list=\$$(toupper $type)_LIST
3531 print_enabled '_*' $list | sort | pr -r -3 -t
3532 echo
3533 done
3534
3535 license="LGPL version 2.1 or later"
3536 if enabled nonfree; then
3537 license="nonfree and unredistributable"
3538 elif enabled gplv3; then
3539 license="GPL version 3 or later"
3540 elif enabled lgplv3; then
3541 license="LGPL version 3 or later"
3542 elif enabled gpl; then
3543 license="GPL version 2 or later"
3544 fi
3545
3546 echo "License: $license"
3547
3548 echo "Creating config.mak and config.h..."
3549
3550 test -e Makefile || $ln_s "$source_path/Makefile" .
3551
3552 config_files="$TMPH config.mak"
3553
3554 cat > config.mak <<EOF
3555 # Automatically generated by configure - do not modify!
3556 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3557 prefix=$prefix
3558 LIBDIR=\$(DESTDIR)$libdir
3559 SHLIBDIR=\$(DESTDIR)$shlibdir
3560 INCDIR=\$(DESTDIR)$incdir
3561 BINDIR=\$(DESTDIR)$bindir
3562 DATADIR=\$(DESTDIR)$datadir
3563 MANDIR=\$(DESTDIR)$mandir
3564 SRC_PATH=$source_path
3565 CC_IDENT=$cc_ident
3566 ARCH=$arch
3567 CC=$cc
3568 AS=$as
3569 LD=$ld
3570 DEPCC=$dep_cc
3571 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3572 DEPAS=$as
3573 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3574 YASM=$yasmexe
3575 DEPYASM=$yasmexe
3576 AR=$ar
3577 RANLIB=$ranlib
3578 LN_S=$ln_s
3579 CPPFLAGS=$CPPFLAGS
3580 CFLAGS=$CFLAGS
3581 ASFLAGS=$ASFLAGS
3582 AS_C=$AS_C
3583 AS_O=$AS_O
3584 CC_C=$CC_C
3585 CC_O=$CC_O
3586 LD_O=$LD_O
3587 LD_LIB=$LD_LIB
3588 LD_PATH=$LD_PATH
3589 DLLTOOL=$dlltool
3590 LDFLAGS=$LDFLAGS
3591 LDFLAGS-avserver=$AVSERVERLDFLAGS
3592 SHFLAGS=$SHFLAGS
3593 YASMFLAGS=$YASMFLAGS
3594 BUILDSUF=$build_suffix
3595 FULLNAME=$FULLNAME
3596 LIBPREF=$LIBPREF
3597 LIBSUF=$LIBSUF
3598 LIBNAME=$LIBNAME
3599 SLIBPREF=$SLIBPREF
3600 SLIBSUF=$SLIBSUF
3601 EXESUF=$EXESUF
3602 EXTRA_VERSION=$extra_version
3603 CCDEP=$CCDEP
3604 CCDEP_FLAGS=$CCDEP_FLAGS
3605 ASDEP=$ASDEP
3606 ASDEP_FLAGS=$ASDEP_FLAGS
3607 CC_DEPFLAGS=$CC_DEPFLAGS
3608 AS_DEPFLAGS=$AS_DEPFLAGS
3609 HOSTCC=$host_cc
3610 HOSTLD=$host_ld
3611 HOSTCFLAGS=$host_cflags
3612 HOSTEXESUF=$HOSTEXESUF
3613 HOSTLDFLAGS=$host_ldflags
3614 HOSTLIBS=$host_libs
3615 DEPHOSTCC=$host_cc
3616 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3617 HOSTCCDEP=$HOSTCCDEP
3618 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3619 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3620 HOSTCC_C=$HOSTCC_C
3621 HOSTCC_O=$HOSTCC_O
3622 HOSTLD_O=$HOSTLD_O
3623 TARGET_EXEC=$target_exec
3624 TARGET_PATH=$target_path
3625 LIBS-avplay=$sdl_libs
3626 CFLAGS-avplay=$sdl_cflags
3627 ZLIB=$($ldflags_filter -lz)
3628 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3629 EXTRALIBS=$extralibs
3630 INSTALL=install
3631 LIBTARGET=${LIBTARGET}
3632 SLIBNAME=${SLIBNAME}
3633 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3634 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3635 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3636 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3637 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3638 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3639 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3640 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3641 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3642 EOF
3643
3644 get_version(){
3645 lcname=$1
3646 name=$(toupper $lcname)
3647 file=$source_path/$lcname/version.h
3648 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3649 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3650 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3651 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3652 }
3653
3654 get_version libavcodec
3655 get_version libavdevice
3656 get_version libavfilter
3657 get_version libavformat
3658 get_version libavresample
3659 get_version libavutil
3660 get_version libswscale
3661
3662 cat > $TMPH <<EOF
3663 /* Automatically generated by configure - do not modify! */
3664 #ifndef LIBAV_CONFIG_H
3665 #define LIBAV_CONFIG_H
3666 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3667 #define LIBAV_LICENSE "$(c_escape $license)"
3668 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3669 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3670 #define restrict $_restrict
3671 #define EXTERN_PREFIX "${extern_prefix}"
3672 #define EXTERN_ASM ${extern_prefix}
3673 #define SLIBSUF "$SLIBSUF"
3674 EOF
3675
3676 test -n "$malloc_prefix" &&
3677 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3678
3679 if enabled yasm; then
3680 append config_files $TMPASM
3681 printf '' >$TMPASM
3682 fi
3683
3684 print_config ARCH_ "$config_files" $ARCH_LIST
3685 print_config HAVE_ "$config_files" $HAVE_LIST
3686 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3687 $CONFIG_EXTRA \
3688 $ALL_COMPONENTS \
3689
3690 cat >>config.mak <<EOF
3691 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3692 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3693 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3694 EOF
3695
3696 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3697
3698 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3699 cp_if_changed $TMPH config.h
3700 touch .config
3701
3702 enabled yasm && cp_if_changed $TMPASM config.asm
3703
3704 cat > $TMPH <<EOF
3705 /* Generated by ffconf */
3706 #ifndef AVUTIL_AVCONFIG_H
3707 #define AVUTIL_AVCONFIG_H
3708 EOF
3709
3710 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3711
3712 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3713
3714 cp_if_changed $TMPH libavutil/avconfig.h
3715
3716 test -n "$WARNINGS" && printf "\n$WARNINGS"
3717
3718 # build pkg-config files
3719
3720 pkgconfig_generate(){
3721 name=$1
3722 shortname=${name#lib}${build_suffix}
3723 comment=$2
3724 version=$3
3725 libs=$4
3726 requires=$5
3727 enabled ${name#lib} || return 0
3728 mkdir -p $name
3729 cat <<EOF > $name/$name.pc
3730 prefix=$prefix
3731 exec_prefix=\${prefix}
3732 libdir=$libdir
3733 includedir=$incdir
3734
3735 Name: $name
3736 Description: $comment
3737 Version: $version
3738 Requires: $(enabled shared || echo $requires)
3739 Requires.private: $(enabled shared && echo $requires)
3740 Conflicts:
3741 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3742 Libs.private: $(enabled shared && echo $libs)
3743 Cflags: -I\${includedir}
3744 EOF
3745 cat <<EOF > $name/$name-uninstalled.pc
3746 prefix=
3747 exec_prefix=
3748 libdir=\${pcfiledir}
3749 includedir=${source_path}
3750
3751 Name: $name
3752 Description: $comment
3753 Version: $version
3754 Requires: $requires
3755 Conflicts:
3756 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3757 Cflags: -I\${includedir}
3758 EOF
3759 }
3760
3761 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3762 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3763 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3764 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3765 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3766 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3767 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"