configure: x86: Separate inline from standalone assembler capabilities
[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"
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 nellymoser_decoder_select="mdct sinewin"
1483 nellymoser_encoder_select="mdct sinewin"
1484 png_decoder_select="zlib"
1485 png_encoder_select="zlib"
1486 qcelp_decoder_select="lsp"
1487 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1488 ra_144_encoder_select="lpc"
1489 ralf_decoder_select="golomb"
1490 rv10_decoder_select="h263_decoder"
1491 rv10_encoder_select="h263_encoder"
1492 rv20_decoder_select="h263_decoder"
1493 rv20_encoder_select="h263_encoder"
1494 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1495 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1496 shorten_decoder_select="golomb"
1497 sipr_decoder_select="lsp"
1498 snow_decoder_select="dwt rangecoder"
1499 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1500 svq1_decoder_select="error_resilience mpegvideo"
1501 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1502 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1503 svq3_decoder_suggest="zlib"
1504 theora_decoder_select="vp3_decoder"
1505 tiff_decoder_suggest="zlib"
1506 tiff_encoder_suggest="zlib"
1507 truehd_decoder_select="mlp_decoder"
1508 tscc_decoder_select="zlib"
1509 twinvq_decoder_select="mdct lsp sinewin"
1510 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1511 vc1_dxva2_hwaccel_deps="dxva2api_h"
1512 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1513 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1514 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1515 vc1image_decoder_select="vc1_decoder"
1516 vorbis_decoder_select="mdct"
1517 vorbis_encoder_select="mdct"
1518 vp3_decoder_select="vp3dsp"
1519 vp5_decoder_select="vp3dsp"
1520 vp6_decoder_select="huffman vp3dsp"
1521 vp6a_decoder_select="vp6_decoder"
1522 vp6f_decoder_select="vp6_decoder"
1523 vp8_decoder_select="h264pred h264qpel"
1524 wmapro_decoder_select="mdct sinewin"
1525 wmav1_decoder_select="mdct sinewin"
1526 wmav1_encoder_select="mdct sinewin"
1527 wmav2_decoder_select="mdct sinewin"
1528 wmav2_encoder_select="mdct sinewin"
1529 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1530 wmv1_decoder_select="h263_decoder"
1531 wmv1_encoder_select="h263_encoder"
1532 wmv2_decoder_select="h263_decoder"
1533 wmv2_encoder_select="h263_encoder"
1534 wmv3_decoder_select="vc1_decoder"
1535 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1536 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1537 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1538 wmv3image_decoder_select="wmv3_decoder"
1539 zerocodec_decoder_select="zlib"
1540 zlib_decoder_select="zlib"
1541 zlib_encoder_select="zlib"
1542 zmbv_decoder_select="zlib"
1543 zmbv_encoder_select="zlib"
1544
1545 vaapi_deps="va_va_h"
1546 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1547 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1548
1549 # parsers
1550 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1551 mpeg4video_parser_select="error_resilience mpegvideo"
1552 mpegvideo_parser_select="error_resilience mpegvideo"
1553 vc1_parser_select="error_resilience mpegvideo"
1554
1555 # external libraries
1556 libfaac_encoder_deps="libfaac"
1557 libfdk_aac_encoder_deps="libfdk_aac"
1558 libgsm_decoder_deps="libgsm"
1559 libgsm_encoder_deps="libgsm"
1560 libgsm_ms_decoder_deps="libgsm"
1561 libgsm_ms_encoder_deps="libgsm"
1562 libilbc_decoder_deps="libilbc"
1563 libilbc_encoder_deps="libilbc"
1564 libmp3lame_encoder_deps="libmp3lame"
1565 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1566 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1567 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1568 libopenjpeg_decoder_deps="libopenjpeg"
1569 libopenjpeg_encoder_deps="libopenjpeg"
1570 libschroedinger_decoder_deps="libschroedinger"
1571 libschroedinger_encoder_deps="libschroedinger"
1572 libspeex_decoder_deps="libspeex"
1573 libspeex_encoder_deps="libspeex"
1574 libtheora_encoder_deps="libtheora"
1575 libvo_aacenc_encoder_deps="libvo_aacenc"
1576 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1577 libvorbis_encoder_deps="libvorbis"
1578 libvpx_decoder_deps="libvpx"
1579 libvpx_encoder_deps="libvpx"
1580 libx264_encoder_deps="libx264"
1581 libxavs_encoder_deps="libxavs"
1582 libxvid_encoder_deps="libxvid"
1583
1584 # demuxers / muxers
1585 ac3_demuxer_select="ac3_parser"
1586 asf_stream_muxer_select="asf_muxer"
1587 avisynth_demuxer_deps="avisynth"
1588 dirac_demuxer_select="dirac_parser"
1589 eac3_demuxer_select="ac3_parser"
1590 flac_demuxer_select="flac_parser"
1591 ipod_muxer_select="mov_muxer"
1592 matroska_audio_muxer_select="matroska_muxer"
1593 matroska_demuxer_suggest="zlib bzlib"
1594 mov_demuxer_suggest="zlib"
1595 mp3_demuxer_select="mpegaudio_parser"
1596 mp4_muxer_select="mov_muxer"
1597 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1598 mpegtsraw_demuxer_select="mpegts_demuxer"
1599 mxf_d10_muxer_select="mxf_muxer"
1600 ogg_demuxer_select="golomb"
1601 psp_muxer_select="mov_muxer"
1602 rtp_demuxer_select="sdp_demuxer"
1603 rtp_muxer_select="mpegvideo"
1604 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1605 rtsp_demuxer_select="http_protocol rtpdec"
1606 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1607 sap_demuxer_select="sdp_demuxer"
1608 sap_muxer_select="rtp_muxer rtp_protocol"
1609 sdp_demuxer_select="rtpdec"
1610 spdif_muxer_select="aac_parser"
1611 tg2_muxer_select="mov_muxer"
1612 tgp_muxer_select="mov_muxer"
1613 w64_demuxer_deps="wav_demuxer"
1614
1615 # indevs / outdevs
1616 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1617 alsa_outdev_deps="alsa_asoundlib_h"
1618 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1619 dv1394_indev_deps="dv1394 dv_demuxer"
1620 fbdev_indev_deps="linux_fb_h"
1621 jack_indev_deps="jack_jack_h"
1622 libcdio_indev_deps="libcdio"
1623 libdc1394_indev_deps="libdc1394"
1624 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1625 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1626 pulse_indev_deps="libpulse"
1627 sndio_indev_deps="sndio_h"
1628 sndio_outdev_deps="sndio_h"
1629 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1630 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1631 vfwcap_indev_extralibs="-lavicap32"
1632 x11grab_indev_deps="x11grab XShmCreateImage"
1633
1634 # protocols
1635 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1636 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1637 ffrtmpcrypt_protocol_select="tcp_protocol"
1638 ffrtmphttp_protocol_deps="!librtmp_protocol"
1639 ffrtmphttp_protocol_select="http_protocol"
1640 gopher_protocol_deps="network"
1641 httpproxy_protocol_deps="network"
1642 httpproxy_protocol_select="tcp_protocol"
1643 http_protocol_deps="network"
1644 http_protocol_select="tcp_protocol"
1645 https_protocol_select="tls_protocol"
1646 librtmp_protocol_deps="librtmp"
1647 librtmpe_protocol_deps="librtmp"
1648 librtmps_protocol_deps="librtmp"
1649 librtmpt_protocol_deps="librtmp"
1650 librtmpte_protocol_deps="librtmp"
1651 mmsh_protocol_select="http_protocol"
1652 mmst_protocol_deps="network"
1653 rtmp_protocol_deps="!librtmp_protocol"
1654 rtmp_protocol_select="tcp_protocol"
1655 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1656 rtmps_protocol_deps="!librtmp_protocol"
1657 rtmps_protocol_select="tls_protocol"
1658 rtmpt_protocol_select="ffrtmphttp_protocol"
1659 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1660 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1661 rtp_protocol_select="udp_protocol"
1662 sctp_protocol_deps="network struct_sctp_event_subscribe"
1663 tcp_protocol_deps="network"
1664 tls_protocol_deps_any="openssl gnutls"
1665 tls_protocol_select="tcp_protocol"
1666 udp_protocol_deps="network"
1667
1668 # filters
1669 blackframe_filter_deps="gpl"
1670 boxblur_filter_deps="gpl"
1671 cropdetect_filter_deps="gpl"
1672 delogo_filter_deps="gpl"
1673 drawtext_filter_deps="libfreetype"
1674 frei0r_filter_deps="frei0r dlopen strtok_r"
1675 frei0r_filter_extralibs='$ldl'
1676 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1677 frei0r_src_filter_extralibs='$ldl'
1678 hqdn3d_filter_deps="gpl"
1679 resample_filter_deps="avresample"
1680 ocv_filter_deps="libopencv"
1681 scale_filter_deps="swscale"
1682 yadif_filter_deps="gpl"
1683
1684 # libraries
1685 avdevice_deps="avcodec avformat"
1686 avformat_deps="avcodec"
1687
1688 # programs
1689 avconv_deps="avcodec avfilter avformat avresample swscale
1690 aformat_filter asyncts_filter
1691 format_filter fps_filter scale_filter setpts_filter"
1692 avplay_deps="avcodec avformat swscale sdl"
1693 avplay_select="rdft"
1694 avprobe_deps="avcodec avformat"
1695 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1696 avserver_extralibs='$ldl'
1697
1698 doc_deps="texi2html"
1699
1700 # tests
1701
1702 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1703 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1704
1705 test_deps(){
1706 suf1=$1
1707 suf2=$2
1708 shift 2
1709 for v; do
1710 dep=${v%=*}
1711 tests=${v#*=}
1712 for name in ${tests}; do
1713 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1714 done
1715 done
1716 }
1717
1718 test_deps _muxer _demuxer \
1719 aiff \
1720 pcm_alaw=alaw \
1721 asf \
1722 au \
1723 avi \
1724 dv=dv_fmt \
1725 ffm \
1726 flv=flv_fmt \
1727 gxf \
1728 matroska=mkv \
1729 mmf \
1730 mov \
1731 pcm_mulaw=mulaw \
1732 mxf="mxf mxf_d10" \
1733 nut \
1734 ogg \
1735 rawvideo=pixfmt \
1736 rm \
1737 swf \
1738 mpegts=ts \
1739 voc \
1740 wav \
1741 yuv4mpegpipe=yuv4mpeg \
1742
1743 # default parameters
1744
1745 logfile="config.log"
1746
1747 # installation paths
1748 prefix_default="/usr/local"
1749 bindir_default='${prefix}/bin'
1750 datadir_default='${prefix}/share/avconv'
1751 incdir_default='${prefix}/include'
1752 libdir_default='${prefix}/lib'
1753 mandir_default='${prefix}/share/man'
1754 shlibdir_default="$libdir_default"
1755
1756 # toolchain
1757 ar_default="ar"
1758 cc_default="gcc"
1759 host_cc_default="gcc"
1760 ln_s="ln -sf"
1761 nm_default="nm"
1762 objformat="elf"
1763 pkg_config_default=pkg-config
1764 ranlib="ranlib"
1765 yasmexe="yasm"
1766
1767 nm_opts='-g'
1768 nogas=":"
1769
1770 # machine
1771 arch_default=$(uname -m)
1772 cpu="generic"
1773
1774 # OS
1775 target_os_default=$(tolower $(uname -s))
1776 host_os=$target_os_default
1777
1778 # configurable options
1779 enable $PROGRAM_LIST
1780
1781 enable avcodec
1782 enable avdevice
1783 enable avfilter
1784 enable avformat
1785 enable avresample
1786 enable avutil
1787 enable swscale
1788
1789 enable asm
1790 enable debug
1791 enable doc
1792 enable network
1793 enable optimizations
1794 enable safe_bitstream_reader
1795 enable static
1796 enable swscale_alpha
1797
1798 # build settings
1799 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1800 AVSERVERLDFLAGS=-Wl,-E
1801 LIBPREF="lib"
1802 LIBSUF=".a"
1803 FULLNAME='$(NAME)$(BUILDSUF)'
1804 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1805 SLIBPREF="lib"
1806 SLIBSUF=".so"
1807 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1808 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1809 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1810 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1811 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1812 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1813
1814 asflags_filter=echo
1815 cflags_filter=echo
1816 ldflags_filter=echo
1817
1818 AS_C='-c'
1819 AS_O='-o $@'
1820 CC_C='-c'
1821 CC_E='-E -o $@'
1822 CC_O='-o $@'
1823 LD_O='-o $@'
1824 LD_LIB='-l%'
1825 LD_PATH='-L'
1826 HOSTCC_C='-c'
1827 HOSTCC_O='-o $@'
1828 HOSTLD_O='-o $@'
1829
1830 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1831 host_libs='-lm'
1832 host_cflags_filter=echo
1833 host_ldflags_filter=echo
1834
1835 target_path='$(CURDIR)'
1836
1837 # since the object filename is not given with the -MM flag, the compiler
1838 # is only able to print the basename, and we must add the path ourselves
1839 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1840 DEPFLAGS='-MM'
1841
1842 # find source path
1843 if test -f configure; then
1844 source_path=.
1845 else
1846 source_path=$(cd $(dirname "$0"); pwd)
1847 echo "$source_path" | grep -q '[[:blank:]]' &&
1848 die "Out of tree builds are impossible with whitespace in source path."
1849 test -e "$source_path/config.h" &&
1850 die "Out of tree builds are impossible with config.h in source dir."
1851 fi
1852
1853 for v in "$@"; do
1854 r=${v#*=}
1855 l=${v%"$r"}
1856 r=$(sh_quote "$r")
1857 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1858 done
1859
1860 find_things(){
1861 thing=$1
1862 pattern=$2
1863 file=$source_path/$3
1864 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1865 }
1866
1867 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1868 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1869 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1870 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1871 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1872 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1873 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1874 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1875 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1876 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1877 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1878
1879 ALL_COMPONENTS="
1880 $BSF_LIST
1881 $DECODER_LIST
1882 $DEMUXER_LIST
1883 $ENCODER_LIST
1884 $FILTER_LIST
1885 $HWACCEL_LIST
1886 $INDEV_LIST
1887 $MUXER_LIST
1888 $OUTDEV_LIST
1889 $PARSER_LIST
1890 $PROTOCOL_LIST
1891 "
1892
1893 find_tests(){
1894 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1895 }
1896
1897 LAVF_TESTS=$(find_tests lavf)
1898 LAVFI_TESTS=$(find_tests lavfi)
1899 SEEK_TESTS=$(find_tests seek seek_)
1900
1901 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1902
1903 for n in $COMPONENT_LIST; do
1904 v=$(toupper ${n%s})_LIST
1905 eval enable \$$v
1906 eval ${n}_if_any="\$$v"
1907 done
1908
1909 enable $ARCH_EXT_LIST $ALL_TESTS
1910
1911 die_unknown(){
1912 echo "Unknown option \"$1\"."
1913 echo "See $0 --help for available options."
1914 exit 1
1915 }
1916
1917 show_list() {
1918 suffix=_$1
1919 shift
1920 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1921 exit 0
1922 }
1923
1924 rand_list(){
1925 IFS=', '
1926 set -- $*
1927 unset IFS
1928 for thing; do
1929 comp=${thing%:*}
1930 prob=${thing#$comp}
1931 prob=${prob#:}
1932 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1933 echo "prob ${prob:-0.5}"
1934 printf '%s\n' $comp
1935 done
1936 }
1937
1938 do_random(){
1939 action=$1
1940 shift
1941 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1942 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1943 }
1944
1945 for opt do
1946 optval="${opt#*=}"
1947 case "$opt" in
1948 --extra-ldflags=*) add_ldflags $optval
1949 ;;
1950 --extra-libs=*) add_extralibs $optval
1951 ;;
1952 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1953 ;;
1954 --enable-debug=*) debuglevel="$optval"
1955 ;;
1956 --disable-everything)
1957 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1958 ;;
1959 --enable-random|--disable-random)
1960 action=${opt%%-random}
1961 do_random ${action#--} $COMPONENT_LIST
1962 ;;
1963 --enable-random=*|--disable-random=*)
1964 action=${opt%%-random=*}
1965 do_random ${action#--} $optval
1966 ;;
1967 --enable-*=*|--disable-*=*)
1968 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1969 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1970 eval list=\$$(toupper $thing)_LIST
1971 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1972 $action $(filter "$name" $list)
1973 ;;
1974 --enable-?*|--disable-?*)
1975 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1976 if is_in $option $COMPONENT_LIST; then
1977 test $action = disable && action=unset
1978 eval $action \$$(toupper ${option%s})_LIST
1979 elif is_in $option $CMDLINE_SELECT; then
1980 $action $option
1981 else
1982 die_unknown $opt
1983 fi
1984 ;;
1985 --list-*)
1986 NAME="${opt#--list-}"
1987 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1988 NAME=${NAME%s}
1989 eval show_list $NAME \$$(toupper $NAME)_LIST
1990 ;;
1991 --help|-h) show_help
1992 ;;
1993 *)
1994 optname="${opt%%=*}"
1995 optname="${optname#--}"
1996 optname=$(echo "$optname" | sed 's/-/_/g')
1997 if is_in $optname $CMDLINE_SET; then
1998 eval $optname='$optval'
1999 elif is_in $optname $CMDLINE_APPEND; then
2000 append $optname "$optval"
2001 else
2002 die_unknown $opt
2003 fi
2004 ;;
2005 esac
2006 done
2007
2008 disabled logging && logfile=/dev/null
2009
2010 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2011 set >> $logfile
2012
2013 test -n "$cross_prefix" && enable cross_compile
2014
2015 if enabled cross_compile; then
2016 test -n "$arch" && test -n "$target_os" ||
2017 die "Must specify target arch and OS when cross-compiling"
2018 fi
2019
2020 set_default arch target_os
2021
2022 ar_default="${cross_prefix}${ar_default}"
2023 cc_default="${cross_prefix}${cc_default}"
2024 nm_default="${cross_prefix}${nm_default}"
2025 pkg_config_default="${cross_prefix}${pkg_config_default}"
2026 ranlib="${cross_prefix}${ranlib}"
2027
2028 sysinclude_default="${sysroot}/usr/include"
2029
2030 set_default cc nm pkg_config sysinclude
2031 enabled cross_compile || host_cc_default=$cc
2032 set_default host_cc
2033
2034 if ! $pkg_config --version >/dev/null 2>&1; then
2035 warn "$pkg_config not found, library detection may fail."
2036 pkg_config=false
2037 fi
2038
2039 exesuf() {
2040 case $1 in
2041 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2042 esac
2043 }
2044
2045 EXESUF=$(exesuf $target_os)
2046 HOSTEXESUF=$(exesuf $host_os)
2047
2048 # set temporary file name
2049 : ${TMPDIR:=$TEMPDIR}
2050 : ${TMPDIR:=$TMP}
2051 : ${TMPDIR:=/tmp}
2052
2053 if ! check_cmd mktemp -u XXXXXX; then
2054 # simple replacement for missing mktemp
2055 # NOT SAFE FOR GENERAL USE
2056 mktemp(){
2057 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2058 }
2059 fi
2060
2061 tmpfile(){
2062 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2063 (set -C; exec > $tmp) 2>/dev/null ||
2064 die "Unable to create temporary file in $TMPDIR."
2065 append TMPFILES $tmp
2066 eval $1=$tmp
2067 }
2068
2069 trap 'rm -f -- $TMPFILES' EXIT
2070
2071 tmpfile TMPASM .asm
2072 tmpfile TMPC .c
2073 tmpfile TMPE $EXESUF
2074 tmpfile TMPH .h
2075 tmpfile TMPO .o
2076 tmpfile TMPS .S
2077 tmpfile TMPSH .sh
2078 tmpfile TMPV .ver
2079
2080 unset -f mktemp
2081
2082 chmod +x $TMPE
2083
2084 # make sure we can execute files in $TMPDIR
2085 cat > $TMPSH 2>> $logfile <<EOF
2086 #! /bin/sh
2087 EOF
2088 chmod +x $TMPSH >> $logfile 2>&1
2089 if ! $TMPSH >> $logfile 2>&1; then
2090 cat <<EOF
2091 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2092 variable to another directory and make sure that it is not mounted noexec.
2093 EOF
2094 die "Sanity test failed."
2095 fi
2096
2097 pgi_flags(){
2098 for flag; do
2099 case $flag in
2100 -fomit-frame-pointer) echo -Mnoframe ;;
2101 -g) echo -gopt ;;
2102 *) echo $flag ;;
2103 esac
2104 done
2105 }
2106
2107 suncc_flags(){
2108 for flag; do
2109 case $flag in
2110 -march=*|-mcpu=*)
2111 case "${flag#*=}" in
2112 native) echo -xtarget=native ;;
2113 v9|niagara) echo -xarch=sparc ;;
2114 ultrasparc) echo -xarch=sparcvis ;;
2115 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2116 i586|pentium) echo -xchip=pentium ;;
2117 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2118 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2119 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2120 pentium4*) echo -xtarget=pentium4 ;;
2121 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2122 *-sse3) echo -xarch=sse3 ;;
2123 core2) echo -xarch=ssse3 -xchip=core2 ;;
2124 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2125 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2126 k8|opteron|athlon64|athlon-fx)
2127 echo -xarch=sse2a ;;
2128 athlon*) echo -xarch=pentium_proa ;;
2129 esac
2130 ;;
2131 -std=c99) echo -xc99 ;;
2132 -fomit-frame-pointer) echo -xregs=frameptr ;;
2133 -fPIC) echo -KPIC -xcode=pic32 ;;
2134 -W*,*) echo $flag ;;
2135 -f*-*|-W*) ;;
2136 *) echo $flag ;;
2137 esac
2138 done
2139 }
2140
2141 tms470_flags(){
2142 for flag; do
2143 case $flag in
2144 -march=*|-mcpu=*)
2145 case "${flag#*=}" in
2146 armv7-a|cortex-a*) echo -mv=7a8 ;;
2147 armv7-r|cortex-r*) echo -mv=7r4 ;;
2148 armv7-m|cortex-m*) echo -mv=7m3 ;;
2149 armv6*|arm11*) echo -mv=6 ;;
2150 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2151 echo -mv=5e ;;
2152 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2153 esac
2154 ;;
2155 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2156 -mfpu=vfp) echo --float_support=vfpv2 ;;
2157 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2158 -msoft-float) echo --float_support=vfplib ;;
2159 -O[0-3]|-mf=*) echo $flag ;;
2160 -g) echo -g -mn ;;
2161 -pds=*) echo $flag ;;
2162 -D*|-I*) echo $flag ;;
2163 --gcc|--abi=*) echo $flag ;;
2164 -me) echo $flag ;;
2165 esac
2166 done
2167 }
2168
2169 probe_cc(){
2170 pfx=$1
2171 _cc=$2
2172
2173 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2174 unset _ld_o _ldflags _ld_lib _ld_path
2175 unset _depflags _DEPCMD _DEPFLAGS
2176 _flags_filter=echo
2177
2178 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2179 _type=llvm_gcc
2180 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2181 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2182 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2183 _cflags_speed='-O3'
2184 _cflags_size='-Os'
2185 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2186 _type=gcc
2187 gcc_version=$($_cc --version | head -n1)
2188 gcc_basever=$($_cc -dumpversion)
2189 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2190 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2191 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2192 if ! $_cc -dumpversion | grep -q '^2\.'; then
2193 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2194 fi
2195 _cflags_speed='-O3'
2196 _cflags_size='-Os'
2197 elif $_cc --version 2>/dev/null | grep -q Intel; then
2198 _type=icc
2199 _ident=$($_cc --version | head -n1)
2200 _depflags='-MMD'
2201 _cflags_speed='-O3'
2202 _cflags_size='-Os'
2203 _cflags_noopt='-O1'
2204 elif $_cc -v 2>&1 | grep -q xlc; then
2205 _type=xlc
2206 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2207 _cflags_speed='-O5'
2208 _cflags_size='-O5 -qcompact'
2209 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2210 _type=ccc
2211 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2212 _DEPFLAGS='-M'
2213 debuglevel=3
2214 _ldflags='-Wl,-z,now' # calls to libots crash without this
2215 _cflags_speed='-fast'
2216 _cflags_size='-O1'
2217 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2218 test -d "$sysroot" || die "No valid sysroot specified."
2219 _type=armcc
2220 _ident=$($_cc --vsn | head -n1)
2221 armcc_conf="$PWD/armcc.conf"
2222 $_cc --arm_linux_configure \
2223 --arm_linux_config_file="$armcc_conf" \
2224 --configure_sysroot="$sysroot" \
2225 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2226 die "Error creating armcc configuration file."
2227 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2228 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2229 as_default="${cross_prefix}gcc"
2230 _depflags='-MMD'
2231 _cflags_speed='-O3'
2232 _cflags_size='-Os'
2233 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2234 _type=tms470
2235 _ident=$($_cc -version | head -n1 | tr -s ' ')
2236 _flags='--gcc --abi=eabi -me'
2237 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2238 _cc_e='-ppl -fe=$@'
2239 _cc_o='-fe=$@'
2240 as_default="${cross_prefix}gcc"
2241 ld_default="${cross_prefix}gcc"
2242 _depflags='-ppa -ppd=$(@:.o=.d)'
2243 _cflags_speed='-O3 -mf=5'
2244 _cflags_size='-O3 -mf=2'
2245 _flags_filter=tms470_flags
2246 elif $_cc -v 2>&1 | grep -q clang; then
2247 _type=clang
2248 _ident=$($_cc --version | head -n1)
2249 _depflags='-MMD'
2250 _cflags_speed='-O3'
2251 _cflags_size='-Os'
2252 elif $_cc -V 2>&1 | grep -q Sun; then
2253 _type=suncc
2254 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2255 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2256 _DEPFLAGS='-xM1 -xc99'
2257 _ldflags='-std=c99'
2258 _cflags_speed='-O5'
2259 _cflags_size='-O5 -xspace'
2260 _flags_filter=suncc_flags
2261 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2262 _type=pathscale
2263 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2264 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2265 _cflags_speed='-O2'
2266 _cflags_size='-Os'
2267 _flags_filter='filter_out -Wdisabled-optimization'
2268 elif $_cc -v 2>&1 | grep -q Open64; then
2269 _type=open64
2270 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2271 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2272 _cflags_speed='-O2'
2273 _cflags_size='-Os'
2274 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2275 elif $_cc -V 2>&1 | grep -q Portland; then
2276 _type=pgi
2277 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2278 opt_common='-alias=ansi -Mlre -Mpre'
2279 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2280 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2281 _cflags_noopt="-O1"
2282 _flags_filter=pgi_flags
2283 fi
2284
2285 eval ${pfx}_type=\$_type
2286 eval ${pfx}_ident=\$_ident
2287 }
2288
2289 set_ccvars(){
2290 eval ${1}_C=\${_cc_c-\${${1}_C}}
2291 eval ${1}_E=\${_cc_e-\${${1}_E}}
2292 eval ${1}_O=\${_cc_o-\${${1}_O}}
2293
2294 if [ -n "$_depflags" ]; then
2295 eval ${1}_DEPFLAGS=\$_depflags
2296 else
2297 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2298 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2299 eval DEP${1}FLAGS=\$_flags
2300 fi
2301 }
2302
2303 probe_cc cc "$cc"
2304 cflags_filter=$_flags_filter
2305 cflags_speed=$_cflags_speed
2306 cflags_size=$_cflags_size
2307 cflags_noopt=$_cflags_noopt
2308 add_cflags $_flags $_cflags
2309 cc_ldflags=$_ldflags
2310 set_ccvars CC
2311
2312 probe_cc hostcc "$host_cc"
2313 host_cflags_filter=$_flags_filter
2314 add_host_cflags $_flags $_cflags
2315 set_ccvars HOSTCC
2316
2317 test -n "$cc_type" && enable $cc_type ||
2318 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2319
2320 : ${as_default:=$cc}
2321 : ${dep_cc_default:=$cc}
2322 : ${ld_default:=$cc}
2323 : ${host_ld_default:=$host_cc}
2324 set_default ar as dep_cc ld host_ld
2325
2326 probe_cc as "$as"
2327 asflags_filter=$_flags_filter
2328 add_asflags $_flags $_cflags
2329 set_ccvars AS
2330
2331 probe_cc ld "$ld"
2332 ldflags_filter=$_flags_filter
2333 add_ldflags $_flags $_ldflags
2334 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2335 LD_O=${_ld_o-$LD_O}
2336 LD_LIB=${_ld_lib-$LD_LIB}
2337 LD_PATH=${_ld_path-$LD_PATH}
2338
2339 probe_cc hostld "$host_ld"
2340 host_ldflags_filter=$_flags_filter
2341 add_host_ldflags $_flags $_ldflags
2342 HOSTLD_O=${_ld_o-$HOSTLD_O}
2343
2344 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2345 probe_cc depcc "$dep_cc"
2346 CCDEP=${_DEPCMD:-$DEPCMD}
2347 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2348 DEPCCFLAGS=$_flags
2349 fi
2350
2351 add_cflags $extra_cflags
2352 add_asflags $extra_cflags
2353
2354 if test -n "$sysroot"; then
2355 case "$cc_type" in
2356 gcc|llvm_gcc|clang)
2357 add_cppflags --sysroot="$sysroot"
2358 add_ldflags --sysroot="$sysroot"
2359 ;;
2360 tms470)
2361 add_cppflags -I"$sysinclude"
2362 add_ldflags --sysroot="$sysroot"
2363 ;;
2364 esac
2365 fi
2366
2367 if test "$cpu" = host; then
2368 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2369
2370 case "$cc_type" in
2371 gcc|llvm_gcc)
2372 check_native(){
2373 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2374 sed -n "/cc1.*$1=/{
2375 s/.*$1=\\([^ ]*\\).*/\\1/
2376 p
2377 q
2378 }" $TMPE
2379 }
2380 cpu=$(check_native -march || check_native -mcpu)
2381 ;;
2382 esac
2383
2384 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2385 fi
2386
2387 # Deal with common $arch aliases
2388 case "$arch" in
2389 arm*)
2390 arch="arm"
2391 ;;
2392 mips|mipsel|IP*)
2393 arch="mips"
2394 ;;
2395 mips64*)
2396 arch="mips"
2397 subarch="mips64"
2398 ;;
2399 parisc|hppa)
2400 arch="parisc"
2401 ;;
2402 parisc64|hppa64)
2403 arch="parisc"
2404 subarch="parisc64"
2405 ;;
2406 "Power Macintosh"|ppc|powerpc)
2407 arch="ppc"
2408 ;;
2409 ppc64|powerpc64)
2410 arch="ppc"
2411 subarch="ppc64"
2412 ;;
2413 s390|s390x)
2414 arch="s390"
2415 ;;
2416 sh4|sh)
2417 arch="sh4"
2418 ;;
2419 sun4u|sparc64)
2420 arch="sparc"
2421 subarch="sparc64"
2422 ;;
2423 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2424 arch="x86"
2425 ;;
2426 esac
2427
2428 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2429 enable $arch
2430
2431 # Add processor-specific flags
2432 if test "$cpu" = generic; then
2433 : do nothing
2434 elif enabled ppc; then
2435
2436 case $(tolower $cpu) in
2437 601|ppc601|powerpc601)
2438 cpuflags="-mcpu=601"
2439 disable altivec
2440 ;;
2441 603*|ppc603*|powerpc603*)
2442 cpuflags="-mcpu=603"
2443 disable altivec
2444 ;;
2445 604*|ppc604*|powerpc604*)
2446 cpuflags="-mcpu=604"
2447 disable altivec
2448 ;;
2449 g3|75*|ppc75*|powerpc75*)
2450 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2451 disable altivec
2452 ;;
2453 g4|745*|ppc745*|powerpc745*)
2454 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2455 ;;
2456 74*|ppc74*|powerpc74*)
2457 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2458 ;;
2459 g5|970|ppc970|powerpc970)
2460 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2461 ;;
2462 power[3-7]*)
2463 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2464 ;;
2465 cell)
2466 cpuflags="-mcpu=cell"
2467 enable ldbrx
2468 ;;
2469 e500mc)
2470 cpuflags="-mcpu=e500mc"
2471 disable altivec
2472 ;;
2473 e500v2)
2474 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2475 disable altivec
2476 ;;
2477 e500)
2478 cpuflags="-mcpu=8540 -mhard-float"
2479 disable altivec
2480 ;;
2481 esac
2482
2483 elif enabled x86; then
2484
2485 case $cpu in
2486 i[345]86|pentium)
2487 cpuflags="-march=$cpu"
2488 disable mmx
2489 ;;
2490 # targets that do NOT support conditional mov (cmov)
2491 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2492 cpuflags="-march=$cpu"
2493 disable cmov
2494 ;;
2495 # targets that do support conditional mov (cmov)
2496 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2497 cpuflags="-march=$cpu"
2498 enable cmov
2499 enable fast_cmov
2500 ;;
2501 # targets that do support conditional mov but on which it's slow
2502 pentium4|pentium4m|prescott|nocona)
2503 cpuflags="-march=$cpu"
2504 enable cmov
2505 disable fast_cmov
2506 ;;
2507 esac
2508
2509 elif enabled sparc; then
2510
2511 case $cpu in
2512 niagara)
2513 cpuflags="-mcpu=$cpu"
2514 disable vis
2515 ;;
2516 sparc64)
2517 cpuflags="-mcpu=v9"
2518 ;;
2519 esac
2520
2521 elif enabled arm; then
2522
2523 case $cpu in
2524 armv*)
2525 cpuflags="-march=$cpu"
2526 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2527 ;;
2528 *)
2529 cpuflags="-mcpu=$cpu"
2530 case $cpu in
2531 cortex-a*) subarch=armv7a ;;
2532 cortex-r*) subarch=armv7r ;;
2533 cortex-m*) enable thumb; subarch=armv7m ;;
2534 arm11*) subarch=armv6 ;;
2535 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2536 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2537 esac
2538 ;;
2539 esac
2540
2541 elif enabled alpha; then
2542
2543 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2544
2545 elif enabled bfin; then
2546
2547 cpuflags="-mcpu=$cpu"
2548
2549 elif enabled mips; then
2550
2551 cpuflags="-march=$cpu"
2552
2553 elif enabled avr32; then
2554
2555 case $cpu in
2556 ap7[02]0[0-2])
2557 subarch="avr32_ap"
2558 cpuflags="-mpart=$cpu"
2559 ;;
2560 ap)
2561 subarch="avr32_ap"
2562 cpuflags="-march=$cpu"
2563 ;;
2564 uc3[ab]*)
2565 subarch="avr32_uc"
2566 cpuflags="-mcpu=$cpu"
2567 ;;
2568 uc)
2569 subarch="avr32_uc"
2570 cpuflags="-march=$cpu"
2571 ;;
2572 esac
2573
2574 fi
2575
2576 add_cflags $cpuflags
2577 add_asflags $cpuflags
2578
2579 # compiler sanity check
2580 check_exec <<EOF
2581 int main(void){ return 0; }
2582 EOF
2583 if test "$?" != 0; then
2584 echo "$cc is unable to create an executable file."
2585 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2586 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2587 echo "Only do this if you know what cross compiling means."
2588 fi
2589 die "C compiler test failed."
2590 fi
2591
2592 add_cppflags -D_ISOC99_SOURCE
2593 check_cflags -std=c99
2594 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2595 #include <stdlib.h>
2596 EOF
2597 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2598 #include <stdlib.h>
2599 EOF
2600
2601 check_host_cflags -std=c99
2602 check_host_cflags -Wall
2603
2604 case "$arch" in
2605 alpha|ia64|mips|parisc|sparc)
2606 spic=$shared
2607 ;;
2608 x86)
2609 subarch="x86_32"
2610 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2611 if test "$subarch" = "x86_64"; then
2612 spic=$shared
2613 fi
2614 ;;
2615 esac
2616
2617 enable $subarch
2618 enabled spic && enable pic
2619
2620 # OS specific
2621 case $target_os in
2622 haiku)
2623 prefix_default="/boot/common"
2624 network_extralibs="-lnetwork"
2625 host_libs=
2626 ;;
2627 sunos)
2628 AVSERVERLDFLAGS=""
2629 SHFLAGS='-shared -Wl,-h,$$(@F)'
2630 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2631 network_extralibs="-lsocket -lnsl"
2632 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2633 # When using suncc to build, the Solaris linker will mark
2634 # an executable with each instruction set encountered by
2635 # the Solaris assembler. As our libraries contain their own
2636 # guards for processor-specific code, instead suppress
2637 # generation of the HWCAPS ELF section on Solaris x86 only.
2638 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2639 nm_opts='-P -g'
2640 ;;
2641 netbsd)
2642 disable symver
2643 oss_indev_extralibs="-lossaudio"
2644 oss_outdev_extralibs="-lossaudio"
2645 ;;
2646 openbsd|bitrig)
2647 # On OpenBSD 4.5. the compiler does not use PIC unless
2648 # explicitly using -fPIC. Libav builds fine without PIC,
2649 # however the generated executable will not do anything
2650 # (simply quits with exit-code 1, no crash, no output).
2651 # Thus explicitly enable PIC here.
2652 enable pic
2653 disable symver
2654 SHFLAGS='-shared'
2655 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2656 SLIB_INSTALL_LINKS=
2657 oss_indev_extralibs="-lossaudio"
2658 oss_outdev_extralibs="-lossaudio"
2659 ;;
2660 dragonfly)
2661 disable symver
2662 ;;
2663 freebsd)
2664 ;;
2665 bsd/os)
2666 add_extralibs -lpoll -lgnugetopt
2667 ;;
2668 darwin)
2669 gas="gas-preprocessor.pl $cc"
2670 enabled ppc && add_asflags -force_cpusubtype_ALL
2671 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2672 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2673 add_ldflags -Wl,-dynamic,-search_paths_first
2674 SLIBSUF=".dylib"
2675 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2676 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2677 AVSERVERLDFLAGS=-Wl,-bind_at_load
2678 objformat="macho"
2679 enabled x86_64 && objformat="macho64"
2680 enabled_any pic shared ||
2681 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2682 ;;
2683 mingw32*)
2684 if test $target_os = "mingw32ce"; then
2685 disable network
2686 else
2687 target_os=mingw32
2688 fi
2689 LIBTARGET=i386
2690 if enabled x86_64; then
2691 LIBTARGET="i386:x86-64"
2692 elif enabled arm; then
2693 LIBTARGET=arm-wince
2694 fi
2695 shlibdir_default="$bindir_default"
2696 SLIBPREF=""
2697 SLIBSUF=".dll"
2698 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2699 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2700 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2701 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2702 SLIB_INSTALL_LINKS=
2703 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2704 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2705 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'
2706 objformat="win32"
2707 dlltool="${cross_prefix}dlltool"
2708 enable dos_paths
2709 check_cflags -fno-common
2710 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2711 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2712 die "ERROR: MinGW runtime version must be >= 3.15."
2713 add_cppflags -U__STRICT_ANSI__
2714 ;;
2715 cygwin*)
2716 target_os=cygwin
2717 shlibdir_default="$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 esc(){
2798 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2799 }
2800
2801 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2802
2803 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2804
2805 set_default $PATHS_LIST
2806
2807 # we need to build at least one lib type
2808 if ! enabled_any static shared; then
2809 cat <<EOF
2810 At least one library type must be built.
2811 Specify --enable-static to build the static libraries or --enable-shared to
2812 build the shared libraries as well. To only build the shared libraries specify
2813 --disable-static in addition to --enable-shared.
2814 EOF
2815 exit 1;
2816 fi
2817
2818 die_license_disabled() {
2819 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2820 }
2821
2822 die_license_disabled gpl libcdio
2823 die_license_disabled gpl libx264
2824 die_license_disabled gpl libxavs
2825 die_license_disabled gpl libxvid
2826 die_license_disabled gpl x11grab
2827
2828 die_license_disabled nonfree libfaac
2829 die_license_disabled nonfree libfdk_aac
2830 die_license_disabled nonfree openssl
2831
2832 die_license_disabled version3 libopencore_amrnb
2833 die_license_disabled version3 libopencore_amrwb
2834 die_license_disabled version3 libvo_aacenc
2835 die_license_disabled version3 libvo_amrwbenc
2836
2837 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2838
2839 disabled optimizations || check_cflags -fomit-frame-pointer
2840
2841 enable_pic() {
2842 enable pic
2843 add_cppflags -DPIC
2844 add_cflags -fPIC
2845 add_asflags -fPIC
2846 }
2847
2848 enabled pic && enable_pic
2849
2850 check_cc <<EOF || die "Symbol mangling check failed."
2851 int ff_extern;
2852 EOF
2853 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2854 extern_prefix=${sym%%ff_extern*}
2855
2856 check_cc <<EOF && enable inline_asm
2857 void foo(void) { __asm__ volatile ("" ::); }
2858 EOF
2859
2860 _restrict=
2861 for restrict_keyword in restrict __restrict__ __restrict; do
2862 check_cc <<EOF && _restrict=$restrict_keyword && break
2863 void foo(char * $restrict_keyword p);
2864 EOF
2865 done
2866
2867 check_cc <<EOF && enable attribute_packed
2868 struct { int x; } __attribute__((packed)) x;
2869 EOF
2870
2871 check_cc <<EOF && enable attribute_may_alias
2872 union { int x; } __attribute__((may_alias)) x;
2873 EOF
2874
2875 check_cc <<EOF || die "endian test failed"
2876 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2877 EOF
2878 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2879
2880 if enabled alpha; then
2881
2882 check_cflags -mieee
2883
2884 elif enabled arm; then
2885
2886 enabled thumb && check_cflags -mthumb || check_cflags -marm
2887 nogas=die
2888
2889 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2890 enable vfp_args
2891 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2892 case "${cross_prefix:-$cc}" in
2893 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2894 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2895 __asm__ (".eabi_attribute 28, 1");
2896 int main(void) { return 0; }
2897 EOF
2898 esac
2899 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2900 fi
2901
2902 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2903 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2904 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2905 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2906 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2907 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
2908
2909 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2910 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2911
2912 enabled_all armv6t2 shared !pic && enable_pic
2913
2914 elif enabled mips; then
2915
2916 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2917 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
2918
2919 elif enabled ppc; then
2920
2921 enable local_aligned_8 local_aligned_16
2922
2923 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2924 check_inline_asm ibm_asm '"add 0, 0, 0"'
2925 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
2926 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2927
2928 # AltiVec flags: The FSF version of GCC differs from the Apple version
2929 if enabled altivec; then
2930 nogas=warn
2931 check_cflags -maltivec -mabi=altivec &&
2932 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2933 check_cflags -faltivec
2934
2935 # check if our compiler supports Motorola AltiVec C API
2936 check_cc <<EOF || disable altivec
2937 $inc_altivec_h
2938 int main(void) {
2939 vector signed int v1 = (vector signed int) { 0 };
2940 vector signed int v2 = (vector signed int) { 1 };
2941 v1 = vec_add(v1, v2);
2942 return 0;
2943 }
2944 EOF
2945
2946 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
2947 fi
2948
2949 elif enabled sparc; then
2950
2951 enabled vis &&
2952 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2953 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2954
2955 elif enabled x86; then
2956
2957 check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
2958 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
2959 check_code ld intrin.h "__rdtsc()" && enable rdtsc
2960 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
2961
2962 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
2963
2964 enable local_aligned_8 local_aligned_16
2965
2966 # check whether EBP is available on x86
2967 # As 'i' is stored on the stack, this program will crash
2968 # if the base pointer is used to access it because the
2969 # base pointer is cleared in the inline assembly code.
2970 check_exec_crash <<EOF && enable ebp_available
2971 volatile int i=0;
2972 __asm__ volatile (
2973 "xorl %%ebp, %%ebp"
2974 ::: "%ebp");
2975 return i;
2976 EOF
2977
2978 # check whether EBX is available on x86
2979 check_inline_asm ebx_available '""::"b"(0)' &&
2980 check_inline_asm ebx_available '"":::"%ebx"'
2981
2982 # check whether xmm clobbers are supported
2983 check_inline_asm xmm_clobbers '"":::"%xmm0"'
2984
2985 # check whether binutils is new enough to compile SSSE3/MMXEXT
2986 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
2987 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
2988
2989 if ! disabled_any asm mmx yasm; then
2990 if check_cmd $yasmexe --version; then
2991 enabled x86_64 && yasm_extra="-m amd64"
2992 yasm_debug="-g dwarf2"
2993 elif check_cmd nasm -v; then
2994 yasmexe=nasm
2995 yasm_debug="-g -F dwarf"
2996 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2997 fi
2998
2999 YASMFLAGS="-f $objformat $yasm_extra"
3000 enabled pic && append YASMFLAGS "-DPIC"
3001 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3002 case "$objformat" in
3003 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3004 esac
3005
3006 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3007 die "yasm not found, use --disable-yasm for a crippled build"
3008 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3009 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3010 check_yasm "CPU amdnop" && enable cpunop
3011 fi
3012
3013 case "$cpu" in
3014 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3015 disable fast_clz
3016 ;;
3017 esac
3018
3019 fi
3020
3021 if enabled asm; then
3022 as=${gas:=$as}
3023 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3024 $nogas "GNU assembler not found, install gas-preprocessor"
3025 fi
3026
3027 check_ldflags -Wl,--as-needed
3028
3029 if check_func dlopen; then
3030 ldl=
3031 elif check_func dlopen -ldl; then
3032 ldl=-ldl
3033 fi
3034
3035 if enabled network; then
3036 check_type "sys/types.h sys/socket.h" socklen_t
3037 check_type netdb.h "struct addrinfo"
3038 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3039 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3040 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3041 check_type netinet/in.h "struct sockaddr_in6"
3042 check_type poll.h "struct pollfd"
3043 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3044 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3045 check_type netinet/sctp.h "struct sctp_event_subscribe"
3046 check_func getaddrinfo $network_extralibs
3047 # Prefer arpa/inet.h over winsock2
3048 if check_header arpa/inet.h ; then
3049 check_func closesocket
3050 elif check_header winsock2.h ; then
3051 check_func_headers winsock2.h closesocket -lws2 &&
3052 network_extralibs="-lws2" ||
3053 { check_func_headers winsock2.h closesocket -lws2_32 &&
3054 network_extralibs="-lws2_32"; }
3055 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3056 check_type ws2tcpip.h socklen_t
3057 check_type ws2tcpip.h "struct addrinfo"
3058 check_type ws2tcpip.h "struct group_source_req"
3059 check_type ws2tcpip.h "struct ip_mreq_source"
3060 check_type ws2tcpip.h "struct ipv6_mreq"
3061 check_type winsock2.h "struct pollfd"
3062 check_type ws2tcpip.h "struct sockaddr_in6"
3063 check_type ws2tcpip.h "struct sockaddr_storage"
3064 check_struct winsock2.h "struct sockaddr" sa_len
3065 else
3066 disable network
3067 fi
3068 fi
3069
3070 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3071 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3072
3073 check_func fcntl
3074 check_func fork
3075 check_func gethrtime
3076 check_func getopt
3077 check_func getrusage
3078 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3079 check_func gettimeofday
3080 check_func inet_aton $network_extralibs
3081 check_func isatty
3082 check_func localtime_r
3083 check_func ${malloc_prefix}memalign && enable memalign
3084 check_func mkstemp
3085 check_func mmap
3086 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3087 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3088 check_func setrlimit
3089 check_func strerror_r
3090 check_func strptime
3091 check_func strtok_r
3092 check_func sched_getaffinity
3093 check_func sysconf
3094 check_func sysctl
3095 check_func usleep
3096 check_func_headers io.h setmode
3097 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3098 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3099 check_func_headers windows.h GetProcessAffinityMask
3100 check_func_headers windows.h GetProcessTimes
3101 check_func_headers windows.h GetSystemTimeAsFileTime
3102 check_func_headers windows.h MapViewOfFile
3103 check_func_headers windows.h Sleep
3104 check_func_headers windows.h VirtualAlloc
3105
3106 check_header dlfcn.h
3107 check_header dxva.h
3108 check_header dxva2api.h
3109 check_header io.h
3110 check_header malloc.h
3111 check_header poll.h
3112 check_header sys/mman.h
3113 check_header sys/param.h
3114 check_header sys/resource.h
3115 check_header sys/select.h
3116 check_header sys/time.h
3117 check_header unistd.h
3118 check_header vdpau/vdpau.h
3119 check_header vdpau/vdpau_x11.h
3120 check_header windows.h
3121 check_header X11/extensions/XvMClib.h
3122
3123 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3124 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3125
3126 if ! disabled w32threads && ! enabled pthreads; then
3127 check_func _beginthreadex && enable w32threads
3128 fi
3129
3130 # check for some common methods of building with pthread support
3131 # do this before the optional library checks as some of them require pthreads
3132 if ! disabled pthreads && ! enabled w32threads; then
3133 enable pthreads
3134 if check_func pthread_create; then
3135 :
3136 elif check_func pthread_create -pthread; then
3137 add_cflags -pthread
3138 add_extralibs -pthread
3139 elif check_func pthread_create -pthreads; then
3140 add_cflags -pthreads
3141 add_extralibs -pthreads
3142 elif check_func pthread_create -lpthreadGC2; then
3143 add_extralibs -lpthreadGC2
3144 elif ! check_lib pthread.h pthread_create -lpthread; then
3145 disable pthreads
3146 fi
3147 fi
3148
3149 for thread in $THREADS_LIST; do
3150 if enabled $thread; then
3151 test -n "$thread_type" &&
3152 die "ERROR: Only one thread type must be selected." ||
3153 thread_type="$thread"
3154 fi
3155 done
3156
3157 check_lib math.h sin -lm && LIBM="-lm"
3158 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3159
3160 check_mathfunc cbrtf
3161 check_mathfunc exp2
3162 check_mathfunc exp2f
3163 check_mathfunc isinf
3164 check_mathfunc isnan
3165 check_mathfunc llrint
3166 check_mathfunc llrintf
3167 check_mathfunc log2
3168 check_mathfunc log2f
3169 check_mathfunc lrint
3170 check_mathfunc lrintf
3171 check_mathfunc rint
3172 check_mathfunc round
3173 check_mathfunc roundf
3174 check_mathfunc trunc
3175 check_mathfunc truncf
3176
3177 # these are off by default, so fail if requested and not available
3178 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3179 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3180 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3181 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3182 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3183 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3184 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3185 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3186 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3187 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3188 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3189 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3190 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3191 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3192 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3193 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3194 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3195 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3196 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3197 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3198 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3199 enabled libvpx && {
3200 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3201 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3202 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3203 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3204 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3205 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3206 die "ERROR: libx264 version must be >= 0.118."; }
3207 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3208 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3209 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3210 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3211 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3212 die "ERROR: openssl not found"; }
3213
3214 if enabled gnutls; then
3215 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3216 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3217 fi
3218
3219 # libdc1394 check
3220 if enabled libdc1394; then
3221 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3222 enable libdc1394_2; } ||
3223 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3224 enable libdc1394_1; } ||
3225 die "ERROR: No version of libdc1394 found "
3226 fi
3227
3228 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3229 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3230 enable sdl &&
3231 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3232 fi
3233
3234 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3235
3236 check_header linux/fb.h
3237 check_header linux/videodev2.h
3238 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3239
3240 check_header sys/videoio.h
3241
3242 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3243 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3244 # w32api 3.12 had it defined wrong
3245 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3246
3247 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3248 { check_header dev/bktr/ioctl_meteor.h &&
3249 check_header dev/bktr/ioctl_bt848.h; } ||
3250 { check_header machine/ioctl_meteor.h &&
3251 check_header machine/ioctl_bt848.h; } ||
3252 { check_header dev/video/meteor/ioctl_meteor.h &&
3253 check_header dev/video/bktr/ioctl_bt848.h; } ||
3254 check_header dev/ic/bt8xx.h
3255
3256 check_header sndio.h
3257 check_header sys/soundcard.h
3258 check_header soundcard.h
3259
3260 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3261
3262 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3263 check_func jack_port_get_latency_range -ljack
3264
3265 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3266
3267 enabled libcdio &&
3268 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3269
3270 enabled x11grab &&
3271 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3272 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3273 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3274
3275 # check for VDA header
3276 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3277 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3278 fi
3279
3280 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3281 check_cpp_condition \
3282 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3283 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3284 disable vdpau; }
3285 fi
3286
3287 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3288
3289 # add some useful compiler flags if supported
3290 check_cflags -Wdeclaration-after-statement
3291 check_cflags -Wall
3292 check_cflags -Wno-parentheses
3293 check_cflags -Wno-switch
3294 check_cflags -Wno-format-zero-length
3295 check_cflags -Wdisabled-optimization
3296 check_cflags -Wpointer-arith
3297 check_cflags -Wredundant-decls
3298 check_cflags -Wno-pointer-sign
3299 check_cflags -Wcast-qual
3300 check_cflags -Wwrite-strings
3301 check_cflags -Wtype-limits
3302 check_cflags -Wundef
3303 check_cflags -Wmissing-prototypes
3304 check_cflags -Wstrict-prototypes
3305 enabled extra_warnings && check_cflags -Winline
3306
3307 # add some linker flags
3308 check_ldflags -Wl,--warn-common
3309 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3310 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3311
3312 enabled xmm_clobber_test &&
3313 check_ldflags -Wl,--wrap,avcodec_open2 \
3314 -Wl,--wrap,avcodec_decode_audio4 \
3315 -Wl,--wrap,avcodec_decode_video2 \
3316 -Wl,--wrap,avcodec_decode_subtitle2 \
3317 -Wl,--wrap,avcodec_encode_audio2 \
3318 -Wl,--wrap,avcodec_encode_video \
3319 -Wl,--wrap,avcodec_encode_subtitle \
3320 -Wl,--wrap,sws_scale ||
3321 disable xmm_clobber_test
3322
3323 echo "X{};" > $TMPV
3324 if test_ldflags -Wl,--version-script,$TMPV; then
3325 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3326 check_cc <<EOF && enable symver_asm_label
3327 void ff_foo(void) __asm__ ("av_foo@VERSION");
3328 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3329 EOF
3330 check_cc <<EOF && enable symver_gnu_asm
3331 __asm__(".symver ff_foo,av_foo@VERSION");
3332 void ff_foo(void) {}
3333 EOF
3334 fi
3335
3336 if [ -n "$optflags" ]; then
3337 add_cflags $optflags
3338 elif enabled small; then
3339 add_cflags $cflags_size
3340 elif enabled optimizations; then
3341 add_cflags $cflags_speed
3342 else
3343 add_cflags $cflags_noopt
3344 fi
3345 check_cflags -fno-math-errno
3346 check_cflags -fno-signed-zeros
3347
3348 if enabled icc; then
3349 # Just warnings, no remarks
3350 check_cflags -w1
3351 # -wd: Disable following warnings
3352 # 144, 167, 556: -Wno-pointer-sign
3353 # 1292: attribute "foo" ignored
3354 # 1419: external declaration in primary source file
3355 # 10006: ignoring unknown option -fno-signed-zeros
3356 # 10148: ignoring unknown option -Wno-parentheses
3357 # 10156: ignoring option '-W'; no argument required
3358 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3359 # 11030: Warning unknown option --as-needed
3360 # 10156: ignoring option '-export'; no argument required
3361 check_ldflags -wd10156,11030
3362 # Allow to compile with optimizations
3363 check_ldflags -march=$cpu
3364 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3365 enable ebp_available
3366 if enabled x86_32; then
3367 icc_version=$($cc -dumpversion)
3368 test ${icc_version%%.*} -ge 11 &&
3369 check_cflags -falign-stack=maintain-16-byte ||
3370 disable aligned_stack
3371 fi
3372 elif enabled ccc; then
3373 # disable some annoying warnings
3374 add_cflags -msg_disable cvtu32to64
3375 add_cflags -msg_disable embedcomment
3376 add_cflags -msg_disable needconstext
3377 add_cflags -msg_disable nomainieee
3378 add_cflags -msg_disable ptrmismatch1
3379 add_cflags -msg_disable unreachcode
3380 elif enabled gcc; then
3381 check_cflags -fno-tree-vectorize
3382 check_cflags -Werror=implicit-function-declaration
3383 check_cflags -Werror=missing-prototypes
3384 check_cflags -Werror=declaration-after-statement
3385 elif enabled llvm_gcc; then
3386 check_cflags -mllvm -stack-alignment=16
3387 elif enabled clang; then
3388 check_cflags -mllvm -stack-alignment=16
3389 check_cflags -Qunused-arguments
3390 elif enabled armcc; then
3391 # 2523: use of inline assembler is deprecated
3392 add_cflags -W${armcc_opt},--diag_suppress=2523
3393 add_cflags -W${armcc_opt},--diag_suppress=1207
3394 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3395 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3396 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3397 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3398 elif enabled tms470; then
3399 add_cflags -pds=824 -pds=837
3400 elif enabled pathscale; then
3401 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3402 fi
3403
3404 enabled_any $THREADS_LIST && enable threads
3405
3406 check_deps $CONFIG_LIST \
3407 $CONFIG_EXTRA \
3408 $HAVE_LIST \
3409 $ALL_COMPONENTS \
3410 $ALL_TESTS \
3411
3412 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3413
3414 ! enabled_any memalign posix_memalign aligned_malloc &&
3415 enabled_any $need_memalign && enable memalign_hack
3416
3417 echo "install prefix $prefix"
3418 echo "source path $source_path"
3419 echo "C compiler $cc"
3420 echo "ARCH $arch ($cpu)"
3421 if test "$build_suffix" != ""; then
3422 echo "build suffix $build_suffix"
3423 fi
3424 if test "$extra_version" != ""; then
3425 echo "version string suffix $extra_version"
3426 fi
3427 echo "big-endian ${bigendian-no}"
3428 echo "runtime cpu detection ${runtime_cpudetect-no}"
3429 if enabled x86; then
3430 echo "${yasmexe} ${yasm-no}"
3431 echo "MMX enabled ${mmx-no}"
3432 echo "MMXEXT enabled ${mmxext-no}"
3433 echo "3DNow! enabled ${amd3dnow-no}"
3434 echo "3DNow! extended enabled ${amd3dnowext-no}"
3435 echo "SSE enabled ${sse-no}"
3436 echo "SSSE3 enabled ${ssse3-no}"
3437 echo "AVX enabled ${avx-no}"
3438 echo "FMA4 enabled ${fma4-no}"
3439 echo "CMOV enabled ${cmov-no}"
3440 echo "CMOV is fast ${fast_cmov-no}"
3441 echo "EBX available ${ebx_available-no}"
3442 echo "EBP available ${ebp_available-no}"
3443 fi
3444 if enabled arm; then
3445 echo "ARMv5TE enabled ${armv5te-no}"
3446 echo "ARMv6 enabled ${armv6-no}"
3447 echo "ARMv6T2 enabled ${armv6t2-no}"
3448 echo "ARM VFP enabled ${armvfp-no}"
3449 echo "NEON enabled ${neon-no}"
3450 fi
3451 if enabled mips; then
3452 echo "MMI enabled ${mmi-no}"
3453 fi
3454 if enabled ppc; then
3455 echo "AltiVec enabled ${altivec-no}"
3456 echo "PPC 4xx optimizations ${ppc4xx-no}"
3457 echo "dcbzl available ${dcbzl-no}"
3458 fi
3459 if enabled sparc; then
3460 echo "VIS enabled ${vis-no}"
3461 fi
3462 echo "debug symbols ${debug-no}"
3463 echo "optimize for size ${small-no}"
3464 echo "optimizations ${optimizations-no}"
3465 echo "static ${static-no}"
3466 echo "shared ${shared-no}"
3467 echo "new filter support ${avfilter-no}"
3468 echo "network support ${network-no}"
3469 echo "threading support ${thread_type-no}"
3470 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3471 echo "SDL support ${sdl-no}"
3472 echo "libdxva2 enabled ${dxva2-no}"
3473 echo "libva enabled ${vaapi-no}"
3474 echo "libvdpau enabled ${vdpau-no}"
3475 echo "AVISynth enabled ${avisynth-no}"
3476 echo "frei0r enabled ${frei0r-no}"
3477 echo "gnutls enabled ${gnutls-no}"
3478 echo "libcdio support ${libcdio-no}"
3479 echo "libdc1394 support ${libdc1394-no}"
3480 echo "libfaac enabled ${libfaac-no}"
3481 echo "libfdk-aac enabled ${libfdk_aac-no}"
3482 echo "libgsm enabled ${libgsm-no}"
3483 echo "libilbc enabled ${libilbc-no}"
3484 echo "libmp3lame enabled ${libmp3lame-no}"
3485 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3486 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3487 echo "libopencv support ${libopencv-no}"
3488 echo "libopenjpeg enabled ${libopenjpeg-no}"
3489 echo "libpulse enabled ${libpulse-no}"
3490 echo "librtmp enabled ${librtmp-no}"
3491 echo "libschroedinger enabled ${libschroedinger-no}"
3492 echo "libspeex enabled ${libspeex-no}"
3493 echo "libtheora enabled ${libtheora-no}"
3494 echo "libvo-aacenc support ${libvo_aacenc-no}"
3495 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3496 echo "libvorbis enabled ${libvorbis-no}"
3497 echo "libvpx enabled ${libvpx-no}"
3498 echo "libx264 enabled ${libx264-no}"
3499 echo "libxavs enabled ${libxavs-no}"
3500 echo "libxvid enabled ${libxvid-no}"
3501 echo "openssl enabled ${openssl-no}"
3502 echo "zlib enabled ${zlib-no}"
3503 echo "bzlib enabled ${bzlib-no}"
3504 test -n "$random_seed" &&
3505 echo "random seed ${random_seed}"
3506 echo
3507
3508 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3509 echo "Enabled ${type}s:"
3510 eval list=\$$(toupper $type)_LIST
3511 print_enabled '_*' $list | sort | pr -r -3 -t
3512 echo
3513 done
3514
3515 license="LGPL version 2.1 or later"
3516 if enabled nonfree; then
3517 license="nonfree and unredistributable"
3518 elif enabled gplv3; then
3519 license="GPL version 3 or later"
3520 elif enabled lgplv3; then
3521 license="LGPL version 3 or later"
3522 elif enabled gpl; then
3523 license="GPL version 2 or later"
3524 fi
3525
3526 echo "License: $license"
3527
3528 echo "Creating config.mak and config.h..."
3529
3530 test -e Makefile || $ln_s "$source_path/Makefile" .
3531
3532 config_files="$TMPH config.mak"
3533
3534 cat > config.mak <<EOF
3535 # Automatically generated by configure - do not modify!
3536 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3537 prefix=$prefix
3538 LIBDIR=\$(DESTDIR)$libdir
3539 SHLIBDIR=\$(DESTDIR)$shlibdir
3540 INCDIR=\$(DESTDIR)$incdir
3541 BINDIR=\$(DESTDIR)$bindir
3542 DATADIR=\$(DESTDIR)$datadir
3543 MANDIR=\$(DESTDIR)$mandir
3544 SRC_PATH=$source_path
3545 CC_IDENT=$cc_ident
3546 ARCH=$arch
3547 CC=$cc
3548 AS=$as
3549 LD=$ld
3550 DEPCC=$dep_cc
3551 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3552 DEPAS=$as
3553 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3554 YASM=$yasmexe
3555 DEPYASM=$yasmexe
3556 AR=$ar
3557 RANLIB=$ranlib
3558 LN_S=$ln_s
3559 CPPFLAGS=$CPPFLAGS
3560 CFLAGS=$CFLAGS
3561 ASFLAGS=$ASFLAGS
3562 AS_C=$AS_C
3563 AS_O=$AS_O
3564 CC_C=$CC_C
3565 CC_O=$CC_O
3566 LD_O=$LD_O
3567 LD_LIB=$LD_LIB
3568 LD_PATH=$LD_PATH
3569 DLLTOOL=$dlltool
3570 LDFLAGS=$LDFLAGS
3571 LDFLAGS-avserver=$AVSERVERLDFLAGS
3572 SHFLAGS=$SHFLAGS
3573 YASMFLAGS=$YASMFLAGS
3574 BUILDSUF=$build_suffix
3575 FULLNAME=$FULLNAME
3576 LIBPREF=$LIBPREF
3577 LIBSUF=$LIBSUF
3578 LIBNAME=$LIBNAME
3579 SLIBPREF=$SLIBPREF
3580 SLIBSUF=$SLIBSUF
3581 EXESUF=$EXESUF
3582 EXTRA_VERSION=$extra_version
3583 CCDEP=$CCDEP
3584 CCDEP_FLAGS=$CCDEP_FLAGS
3585 ASDEP=$ASDEP
3586 ASDEP_FLAGS=$ASDEP_FLAGS
3587 CC_DEPFLAGS=$CC_DEPFLAGS
3588 AS_DEPFLAGS=$AS_DEPFLAGS
3589 HOSTCC=$host_cc
3590 HOSTLD=$host_ld
3591 HOSTCFLAGS=$host_cflags
3592 HOSTEXESUF=$HOSTEXESUF
3593 HOSTLDFLAGS=$host_ldflags
3594 HOSTLIBS=$host_libs
3595 DEPHOSTCC=$host_cc
3596 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3597 HOSTCCDEP=$HOSTCCDEP
3598 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3599 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3600 HOSTCC_C=$HOSTCC_C
3601 HOSTCC_O=$HOSTCC_O
3602 HOSTLD_O=$HOSTLD_O
3603 TARGET_EXEC=$target_exec
3604 TARGET_PATH=$target_path
3605 LIBS-avplay=$sdl_libs
3606 CFLAGS-avplay=$sdl_cflags
3607 ZLIB=$($ldflags_filter -lz)
3608 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3609 EXTRALIBS=$extralibs
3610 INSTALL=install
3611 LIBTARGET=${LIBTARGET}
3612 SLIBNAME=${SLIBNAME}
3613 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3614 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3615 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3616 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3617 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3618 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3619 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3620 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3621 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3622 EOF
3623
3624 get_version(){
3625 lcname=$1
3626 name=$(toupper $lcname)
3627 file=$source_path/$lcname/version.h
3628 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3629 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3630 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3631 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3632 }
3633
3634 get_version libavcodec
3635 get_version libavdevice
3636 get_version libavfilter
3637 get_version libavformat
3638 get_version libavresample
3639 get_version libavutil
3640 get_version libswscale
3641
3642 cat > $TMPH <<EOF
3643 /* Automatically generated by configure - do not modify! */
3644 #ifndef LIBAV_CONFIG_H
3645 #define LIBAV_CONFIG_H
3646 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3647 #define LIBAV_LICENSE "$(c_escape $license)"
3648 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3649 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3650 #define restrict $_restrict
3651 #define EXTERN_PREFIX "${extern_prefix}"
3652 #define EXTERN_ASM ${extern_prefix}
3653 #define SLIBSUF "$SLIBSUF"
3654 EOF
3655
3656 test -n "$malloc_prefix" &&
3657 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3658
3659 if enabled yasm; then
3660 append config_files $TMPASM
3661 printf '' >$TMPASM
3662 fi
3663
3664 print_config ARCH_ "$config_files" $ARCH_LIST
3665 print_config HAVE_ "$config_files" $HAVE_LIST
3666 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3667 $CONFIG_EXTRA \
3668 $ALL_COMPONENTS \
3669
3670 cat >>config.mak <<EOF
3671 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3672 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3673 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3674 EOF
3675
3676 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3677
3678 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3679 cp_if_changed $TMPH config.h
3680 touch .config
3681
3682 enabled yasm && cp_if_changed $TMPASM config.asm
3683
3684 cat > $TMPH <<EOF
3685 /* Generated by ffconf */
3686 #ifndef AVUTIL_AVCONFIG_H
3687 #define AVUTIL_AVCONFIG_H
3688 EOF
3689
3690 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3691
3692 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3693
3694 cp_if_changed $TMPH libavutil/avconfig.h
3695
3696 test -n "$WARNINGS" && printf "\n$WARNINGS"
3697
3698 # build pkg-config files
3699
3700 pkgconfig_generate(){
3701 name=$1
3702 shortname=${name#lib}${build_suffix}
3703 comment=$2
3704 version=$3
3705 libs=$4
3706 requires=$5
3707 enabled ${name#lib} || return 0
3708 mkdir -p $name
3709 cat <<EOF > $name/$name.pc
3710 prefix=$prefix
3711 exec_prefix=\${prefix}
3712 libdir=$libdir
3713 includedir=$incdir
3714
3715 Name: $name
3716 Description: $comment
3717 Version: $version
3718 Requires: $(enabled shared || echo $requires)
3719 Requires.private: $(enabled shared && echo $requires)
3720 Conflicts:
3721 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3722 Libs.private: $(enabled shared && echo $libs)
3723 Cflags: -I\${includedir}
3724 EOF
3725 cat <<EOF > $name/$name-uninstalled.pc
3726 prefix=
3727 exec_prefix=
3728 libdir=\${pcfiledir}
3729 includedir=${source_path}
3730
3731 Name: $name
3732 Description: $comment
3733 Version: $version
3734 Requires: $requires
3735 Conflicts:
3736 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3737 Cflags: -I\${includedir}
3738 EOF
3739 }
3740
3741 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3742 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3743 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3744 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3745 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3746 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3747 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"