avstring-test: fix memory leaks
[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-libopus enable Opus decoding via libopus [no]
185 --enable-libpulse enable Pulseaudio input via libpulse [no]
186 --enable-librtmp enable RTMP[E] support via librtmp [no]
187 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
188 --enable-libspeex enable Speex de/encoding via libspeex [no]
189 --enable-libtheora enable Theora encoding via libtheora [no]
190 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
191 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
192 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
193 --enable-libvpx enable VP8 de/encoding via libvpx [no]
194 --enable-libx264 enable H.264 encoding via x264 [no]
195 --enable-libxavs enable AVS encoding via xavs [no]
196 --enable-libxvid enable Xvid encoding via xvidcore,
197 native MPEG-4/Xvid encoder exists [no]
198 --enable-openssl enable openssl [no]
199 --enable-zlib enable zlib [autodetect]
200
201 Advanced options (experts only):
202 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
203 --enable-cross-compile assume a cross-compiler is used
204 --sysroot=PATH root of cross-build tree
205 --sysinclude=PATH location of cross-build system headers
206 --target-os=OS compiler targets OS [$target_os]
207 --target-exec=CMD command to run executables on target
208 --target-path=DIR path to view of build directory on target
209 --toolchain=NAME set tool defaults according to NAME
210 --nm=NM use nm tool
211 --ar=AR use archive tool AR [$ar_default]
212 --as=AS use assembler AS [$as_default]
213 --cc=CC use C compiler CC [$cc_default]
214 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
215 --ld=LD use linker LD
216 --host-cc=HOSTCC use host C compiler HOSTCC
217 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
218 --host-ld=HOSTLD use host linker HOSTLD
219 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
220 --host-libs=HLIBS use libs HLIBS when linking for host
221 --host-os=OS compiler host OS [$target_os]
222 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
223 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
224 --extra-libs=ELIBS add ELIBS [$ELIBS]
225 --extra-version=STRING version string suffix []
226 --optflags=OPTFLAGS override optimization-related compiler flags
227 --build-suffix=SUFFIX library name suffix []
228 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
229 --arch=ARCH select architecture [$arch]
230 --cpu=CPU select the minimum required CPU (affects
231 instruction selection, may crash on older CPUs)
232 --enable-pic build position-independent code
233 --enable-sram allow use of on-chip SRAM
234 --enable-thumb compile for Thumb instruction set
235 --disable-symver disable symbol versioning
236 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
237 --disable-safe-bitstream-reader
238 disable buffer boundary checking in bitreaders
239 (faster, but may crash)
240 --enable-memalign-hack emulate memalign, interferes with memory debuggers
241 --enable-lto use link-time optimization
242
243 Optimization options (experts only):
244 --disable-asm disable all assembler optimizations
245 --disable-altivec disable AltiVec optimizations
246 --disable-amd3dnow disable 3DNow! optimizations
247 --disable-amd3dnowext disable 3DNow! extended optimizations
248 --disable-mmx disable MMX optimizations
249 --disable-mmxext disable MMXEXT optimizations
250 --disable-sse disable SSE optimizations
251 --disable-sse2 disable SSE2 optimizations
252 --disable-sse3 disable SSE3 optimizations
253 --disable-ssse3 disable SSSE3 optimizations
254 --disable-sse4 disable SSE4 optimizations
255 --disable-sse42 disable SSE4.2 optimizations
256 --disable-avx disable AVX optimizations
257 --disable-fma4 disable FMA4 optimizations
258 --disable-armv5te disable armv5te optimizations
259 --disable-armv6 disable armv6 optimizations
260 --disable-armv6t2 disable armv6t2 optimizations
261 --disable-armvfp disable ARM VFP optimizations
262 --disable-neon disable NEON optimizations
263 --disable-vis disable VIS optimizations
264 --disable-inline-asm disable use of inline assembler
265 --disable-yasm disable use of yasm assembler
266
267 Developer options (useful when working on Libav itself):
268 --disable-debug disable debugging symbols
269 --enable-debug=LEVEL set the debug level [$debuglevel]
270 --disable-optimizations disable compiler optimizations
271 --enable-extra-warnings enable more compiler warnings
272 --samples=PATH location of test samples for FATE, if not set use
273 \$LIBAV_SAMPLES at make invocation time.
274 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
275 should be used only for debugging purposes)
276 --enable-random randomly enable/disable components
277 --disable-random
278 --enable-random=LIST randomly enable/disable specific components or
279 --disable-random=LIST component groups. LIST is a comma-separated list
280 of NAME[:PROB] entries where NAME is a component
281 (group) and PROB the probability associated with
282 NAME (default 0.5).
283 --random-seed=VALUE seed value for --enable/disable-random
284
285 NOTE: Object files are built at the place where configure is launched.
286 EOF
287 exit 0
288 }
289
290 quotes='""'
291
292 log(){
293 echo "$@" >> $logfile
294 }
295
296 log_file(){
297 log BEGIN $1
298 pr -n -t $1 >> $logfile
299 log END $1
300 }
301
302 echolog(){
303 log "$@"
304 echo "$@"
305 }
306
307 warn(){
308 log "WARNING: $*"
309 WARNINGS="${WARNINGS}WARNING: $*\n"
310 }
311
312 die(){
313 echolog "$@"
314 cat <<EOF
315
316 If you think configure made a mistake, make sure you are using the latest
317 version from Git. If the latest version fails, report the problem to the
318 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
319 EOF
320 if disabled logging; then
321 cat <<EOF
322 Rerun configure with logging enabled (do not use --disable-logging), and
323 include the log this produces with your report.
324 EOF
325 else
326 cat <<EOF
327 Include the log file "$logfile" produced by configure as this will help
328 solving the problem.
329 EOF
330 fi
331 exit 1
332 }
333
334 # Avoid locale weirdness, besides we really just want to translate ASCII.
335 toupper(){
336 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
337 }
338
339 tolower(){
340 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
341 }
342
343 c_escape(){
344 echo "$*" | sed 's/["\\]/\\\0/g'
345 }
346
347 sh_quote(){
348 v=$(echo "$1" | sed "s/'/'\\\\''/g")
349 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
350 echo "$v"
351 }
352
353 cleanws(){
354 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
355 }
356
357 filter(){
358 pat=$1
359 shift
360 for v; do
361 eval "case $v in $pat) echo $v ;; esac"
362 done
363 }
364
365 filter_out(){
366 pat=$1
367 shift
368 for v; do
369 eval "case $v in $pat) ;; *) echo $v ;; esac"
370 done
371 }
372
373 map(){
374 m=$1
375 shift
376 for v; do eval $m; done
377 }
378
379 add_suffix(){
380 suffix=$1
381 shift
382 for v; do echo ${v}${suffix}; done
383 }
384
385 set_all(){
386 value=$1
387 shift
388 for var in $*; do
389 eval $var=$value
390 done
391 }
392
393 set_weak(){
394 value=$1
395 shift
396 for var; do
397 eval : \${$var:=$value}
398 done
399 }
400
401 set_safe(){
402 var=$1
403 shift
404 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
405 }
406
407 get_safe(){
408 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
409 }
410
411 pushvar(){
412 for var in $*; do
413 eval level=\${${var}_level:=0}
414 eval ${var}_${level}="\$$var"
415 eval ${var}_level=$(($level+1))
416 done
417 }
418
419 popvar(){
420 for var in $*; do
421 eval level=\${${var}_level:-0}
422 test $level = 0 && continue
423 eval level=$(($level-1))
424 eval $var="\${${var}_${level}}"
425 eval ${var}_level=$level
426 eval unset ${var}_${level}
427 done
428 }
429
430 enable(){
431 set_all yes $*
432 }
433
434 disable(){
435 set_all no $*
436 }
437
438 enable_weak(){
439 set_weak yes $*
440 }
441
442 disable_weak(){
443 set_weak no $*
444 }
445
446 enable_safe(){
447 for var; do
448 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
449 done
450 }
451
452 disable_safe(){
453 for var; do
454 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
455 done
456 }
457
458 do_enable_deep(){
459 for var; do
460 enabled $var && continue
461 eval sel="\$${var}_select"
462 eval sgs="\$${var}_suggest"
463 pushvar var sgs
464 enable_deep $sel
465 popvar sgs
466 enable_deep_weak $sgs
467 popvar var
468 done
469 }
470
471 enable_deep(){
472 do_enable_deep $*
473 enable $*
474 }
475
476 enable_deep_weak(){
477 do_enable_deep $*
478 enable_weak $*
479 }
480
481 enabled(){
482 test "${1#!}" = "$1" && op== || op=!=
483 eval test "x\$${1#!}" $op "xyes"
484 }
485
486 disabled(){
487 test "${1#!}" = "$1" && op== || op=!=
488 eval test "x\$${1#!}" $op "xno"
489 }
490
491 enabled_all(){
492 for opt; do
493 enabled $opt || return 1
494 done
495 }
496
497 disabled_all(){
498 for opt; do
499 disabled $opt || return 1
500 done
501 }
502
503 enabled_any(){
504 for opt; do
505 enabled $opt && return 0
506 done
507 }
508
509 disabled_any(){
510 for opt; do
511 disabled $opt && return 0
512 done
513 return 1
514 }
515
516 set_default(){
517 for opt; do
518 eval : \${$opt:=\$${opt}_default}
519 done
520 }
521
522 is_in(){
523 value=$1
524 shift
525 for var in $*; do
526 [ $var = $value ] && return 0
527 done
528 return 1
529 }
530
531 check_deps(){
532 for cfg; do
533 cfg="${cfg#!}"
534 enabled ${cfg}_checking && die "Circular dependency for $cfg."
535 disabled ${cfg}_checking && continue
536 enable ${cfg}_checking
537
538 eval dep_all="\$${cfg}_deps"
539 eval dep_any="\$${cfg}_deps_any"
540 eval dep_sel="\$${cfg}_select"
541 eval dep_sgs="\$${cfg}_suggest"
542 eval dep_ifa="\$${cfg}_if"
543 eval dep_ifn="\$${cfg}_if_any"
544
545 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
547 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548
549 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
550 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
551 enabled_all $dep_all || disable $cfg
552 enabled_any $dep_any || disable $cfg
553 disabled_any $dep_sel && disable $cfg
554
555 if enabled $cfg; then
556 eval dep_extralibs="\$${cfg}_extralibs"
557 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
558 enable_deep $dep_sel
559 enable_deep_weak $dep_sgs
560 fi
561
562 disable ${cfg}_checking
563 done
564 }
565
566 print_config_h(){
567 enabled $1 && v=1 || v=0
568 echo "#define $2 $v"
569 }
570
571 print_config_mak(){
572 enabled $1 && v= || v=!
573 echo "$v$2=yes"
574 }
575
576 print_config_asm(){
577 enabled $1 && v=1 || v=0
578 echo "%define $2 $v"
579 }
580
581 print_config(){
582 pfx=$1
583 files=$2
584 shift 2
585 for cfg; do
586 ucname="$(toupper $cfg)"
587 for f in $files; do
588 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
589 done
590 done
591 }
592
593 print_enabled(){
594 test "$1" = -n && end=" " && shift || end="\n"
595 suf=$1
596 shift
597 for v; do
598 enabled $v && printf "%s$end" ${v%$suf};
599 done
600 }
601
602 append(){
603 var=$1
604 shift
605 eval "$var=\"\$$var $*\""
606 }
607
608 prepend(){
609 var=$1
610 shift
611 eval "$var=\"$* \$$var\""
612 }
613
614 add_cppflags(){
615 append CPPFLAGS "$@"
616 }
617
618 add_cflags(){
619 append CFLAGS $($cflags_filter "$@")
620 }
621
622 add_asflags(){
623 append ASFLAGS $($asflags_filter "$@")
624 }
625
626 add_ldflags(){
627 append LDFLAGS $($ldflags_filter "$@")
628 }
629
630 add_extralibs(){
631 prepend extralibs $($ldflags_filter "$@")
632 }
633
634 add_host_cflags(){
635 append host_cflags $($host_cflags_filter "$@")
636 }
637
638 add_host_ldflags(){
639 append host_ldflags $($host_ldflags_filter "$@")
640 }
641
642 check_cmd(){
643 log "$@"
644 "$@" >> $logfile 2>&1
645 }
646
647 cc_o(){
648 eval printf '%s\\n' $CC_O
649 }
650
651 cc_e(){
652 eval printf '%s\\n' $CC_E
653 }
654
655 check_cc(){
656 log check_cc "$@"
657 cat > $TMPC
658 log_file $TMPC
659 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
660 }
661
662 check_cpp(){
663 log check_cpp "$@"
664 cat > $TMPC
665 log_file $TMPC
666 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
667 }
668
669 as_o(){
670 eval printf '%s\\n' $AS_O
671 }
672
673 check_as(){
674 log check_as "$@"
675 cat > $TMPC
676 log_file $TMPC
677 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
678 }
679
680 check_inline_asm(){
681 log check_inline_asm "$@"
682 name="$1"
683 code="$2"
684 shift 2
685 disable $name
686 check_as "$@" <<EOF && enable $name
687 void foo(void){ __asm__ volatile($code); }
688 EOF
689 }
690
691 check_yasm(){
692 log check_yasm "$@"
693 echo "$1" > $TMPS
694 log_file $TMPS
695 shift 1
696 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
697 }
698
699 ld_o(){
700 eval printf '%s\\n' $LD_O
701 }
702
703 check_ld(){
704 log check_ld "$@"
705 flags=''
706 libs=''
707 for f; do
708 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
709 done
710 check_cc $($cflags_filter $flags) || return
711 flags=$($ldflags_filter $flags)
712 libs=$($ldflags_filter $libs)
713 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
714 }
715
716 check_code(){
717 log check_code "$@"
718 check=$1
719 headers=$2
720 code=$3
721 shift 3
722 {
723 for hdr in $headers; do
724 echo "#include <$hdr>"
725 done
726 echo "int main(void) { $code; return 0; }"
727 } | check_$check "$@"
728 }
729
730 check_cppflags(){
731 log check_cppflags "$@"
732 check_cc "$@" <<EOF && append CPPFLAGS "$@"
733 int x;
734 EOF
735 }
736
737 check_cflags(){
738 log check_cflags "$@"
739 set -- $($cflags_filter "$@")
740 check_cc "$@" <<EOF && append CFLAGS "$@"
741 int x;
742 EOF
743 }
744
745 test_ldflags(){
746 log test_ldflags "$@"
747 check_ld "$@" <<EOF
748 int main(void){ return 0; }
749 EOF
750 }
751
752 check_ldflags(){
753 log check_ldflags "$@"
754 test_ldflags "$@" && add_ldflags "$@"
755 }
756
757 check_header(){
758 log check_header "$@"
759 header=$1
760 shift
761 disable_safe $header
762 check_cpp "$@" <<EOF && enable_safe $header
763 #include <$header>
764 int x;
765 EOF
766 }
767
768 check_func(){
769 log check_func "$@"
770 func=$1
771 shift
772 disable $func
773 check_ld "$@" <<EOF && enable $func
774 extern int $func();
775 int main(void){ $func(); }
776 EOF
777 }
778
779 check_mathfunc(){
780 log check_mathfunc "$@"
781 func=$1
782 shift
783 disable $func
784 check_ld "$@" <<EOF && enable $func
785 #include <math.h>
786 float foo(float f) { return $func(f); }
787 int main(void){ return 0; }
788 EOF
789 }
790
791 check_func_headers(){
792 log check_func_headers "$@"
793 headers=$1
794 funcs=$2
795 shift 2
796 {
797 for hdr in $headers; do
798 echo "#include <$hdr>"
799 done
800 for func in $funcs; do
801 echo "long check_$func(void) { return (long) $func; }"
802 done
803 echo "int main(void) { return 0; }"
804 } | check_ld "$@" && enable $funcs && enable_safe $headers
805 }
806
807 check_cpp_condition(){
808 log check_cpp_condition "$@"
809 header=$1
810 condition=$2
811 shift 2
812 check_cpp "$@" <<EOF
813 #include <$header>
814 #if !($condition)
815 #error "unsatisfied condition: $condition"
816 #endif
817 EOF
818 }
819
820 check_lib(){
821 log check_lib "$@"
822 header="$1"
823 func="$2"
824 shift 2
825 check_header $header && check_func $func "$@" && add_extralibs "$@"
826 }
827
828 check_lib2(){
829 log check_lib2 "$@"
830 headers="$1"
831 funcs="$2"
832 shift 2
833 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
834 }
835
836 check_pkg_config(){
837 log check_pkg_config "$@"
838 pkg="$1"
839 headers="$2"
840 funcs="$3"
841 shift 3
842 $pkg_config --exists $pkg || return
843 pkg_cflags=$($pkg_config --cflags $pkg)
844 pkg_libs=$($pkg_config --libs $pkg)
845 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
846 set_safe ${pkg}_cflags $pkg_cflags &&
847 set_safe ${pkg}_libs $pkg_libs
848 }
849
850 check_exec(){
851 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
852 }
853
854 check_exec_crash(){
855 code=$(cat)
856
857 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
858 # are safe but may not be available everywhere. Thus we use
859 # raise(SIGTERM) instead. The check is run in a subshell so we
860 # can redirect the "Terminated" message from the shell. SIGBUS
861 # is not defined by standard C so it is used conditionally.
862
863 (check_exec "$@") >> $logfile 2>&1 <<EOF
864 #include <signal.h>
865 static void sighandler(int sig){
866 raise(SIGTERM);
867 }
868 int foo(void){
869 $code
870 }
871 int main(void){
872 signal(SIGILL, sighandler);
873 signal(SIGFPE, sighandler);
874 signal(SIGSEGV, sighandler);
875 #ifdef SIGBUS
876 signal(SIGBUS, sighandler);
877 #endif
878 foo();
879 }
880 EOF
881 }
882
883 check_type(){
884 log check_type "$@"
885 headers=$1
886 type=$2
887 shift 2
888 disable_safe "$type"
889 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
890 }
891
892 check_struct(){
893 log check_type "$@"
894 headers=$1
895 struct=$2
896 member=$3
897 shift 3
898 disable_safe "${struct}_${member}"
899 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
900 enable_safe "${struct}_${member}"
901 }
902
903 require(){
904 name="$1"
905 header="$2"
906 func="$3"
907 shift 3
908 check_lib $header $func "$@" || die "ERROR: $name not found"
909 }
910
911 require2(){
912 name="$1"
913 headers="$2"
914 func="$3"
915 shift 3
916 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
917 }
918
919 require_pkg_config(){
920 pkg="$1"
921 check_pkg_config "$@" || die "ERROR: $pkg not found"
922 add_cflags $(get_safe ${pkg}_cflags)
923 add_extralibs $(get_safe ${pkg}_libs)
924 }
925
926 hostcc_o(){
927 eval printf '%s\\n' $HOSTCC_O
928 }
929
930 check_host_cc(){
931 log check_host_cc "$@"
932 cat > $TMPC
933 log_file $TMPC
934 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
935 }
936
937 check_host_cflags(){
938 log check_host_cflags "$@"
939 set -- $($host_cflags_filter "$@")
940 check_host_cc "$@" <<EOF && append host_cflags "$@"
941 int x;
942 EOF
943 }
944
945 apply(){
946 file=$1
947 shift
948 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
949 }
950
951 cp_if_changed(){
952 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
953 mkdir -p "$(dirname $2)"
954 cp -f "$1" "$2"
955 }
956
957 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
958 # system-dependent things.
959
960 COMPONENT_LIST="
961 bsfs
962 decoders
963 demuxers
964 encoders
965 filters
966 hwaccels
967 indevs
968 muxers
969 outdevs
970 parsers
971 protocols
972 "
973
974 PROGRAM_LIST="
975 avconv
976 avplay
977 avprobe
978 avserver
979 "
980
981 CONFIG_LIST="
982 $COMPONENT_LIST
983 $PROGRAM_LIST
984 avcodec
985 avdevice
986 avfilter
987 avformat
988 avresample
989 avisynth
990 bzlib
991 dct
992 doc
993 dwt
994 dxva2
995 fft
996 frei0r
997 gnutls
998 gpl
999 gray
1000 hardcoded_tables
1001 libcdio
1002 libdc1394
1003 libfaac
1004 libfdk_aac
1005 libfreetype
1006 libgsm
1007 libilbc
1008 libmp3lame
1009 libopencore_amrnb
1010 libopencore_amrwb
1011 libopencv
1012 libopenjpeg
1013 libopus
1014 libpulse
1015 librtmp
1016 libschroedinger
1017 libspeex
1018 libtheora
1019 libvo_aacenc
1020 libvo_amrwbenc
1021 libvorbis
1022 libvpx
1023 libx264
1024 libxavs
1025 libxvid
1026 lsp
1027 mdct
1028 memalign_hack
1029 network
1030 nonfree
1031 openssl
1032 pic
1033 rdft
1034 runtime_cpudetect
1035 safe_bitstream_reader
1036 shared
1037 small
1038 sram
1039 static
1040 swscale
1041 swscale_alpha
1042 thumb
1043 vaapi
1044 vda
1045 vdpau
1046 version3
1047 xmm_clobber_test
1048 x11grab
1049 zlib
1050 "
1051
1052 THREADS_LIST='
1053 pthreads
1054 w32threads
1055 '
1056
1057 ARCH_LIST='
1058 alpha
1059 arm
1060 avr32
1061 avr32_ap
1062 avr32_uc
1063 bfin
1064 ia64
1065 m68k
1066 mips
1067 mips64
1068 parisc
1069 ppc
1070 ppc64
1071 s390
1072 sh4
1073 sparc
1074 sparc64
1075 tomi
1076 x86
1077 x86_32
1078 x86_64
1079 '
1080
1081 ARCH_EXT_LIST_X86='
1082 amd3dnow
1083 amd3dnowext
1084 avx
1085 fma4
1086 mmx
1087 mmxext
1088 sse
1089 sse2
1090 sse3
1091 sse4
1092 sse42
1093 ssse3
1094 '
1095
1096 ARCH_EXT_LIST="
1097 $ARCH_EXT_LIST_X86
1098 altivec
1099 armv5te
1100 armv6
1101 armv6t2
1102 armvfp
1103 neon
1104 ppc4xx
1105 vfpv3
1106 vis
1107 "
1108
1109 HAVE_LIST_CMDLINE='
1110 inline_asm
1111 symver
1112 yasm
1113 '
1114
1115 HAVE_LIST_PUB='
1116 bigendian
1117 fast_unaligned
1118 '
1119
1120 HAVE_LIST="
1121 $ARCH_EXT_LIST
1122 $(add_suffix _external $ARCH_EXT_LIST)
1123 $(add_suffix _inline $ARCH_EXT_LIST)
1124 $HAVE_LIST_CMDLINE
1125 $HAVE_LIST_PUB
1126 $THREADS_LIST
1127 aligned_malloc
1128 aligned_stack
1129 alsa_asoundlib_h
1130 altivec_h
1131 arpa_inet_h
1132 asm_mod_q
1133 asm_mod_y
1134 attribute_may_alias
1135 attribute_packed
1136 cbrtf
1137 closesocket
1138 cmov
1139 cpunop
1140 CryptGenRandom
1141 dcbzl
1142 dev_bktr_ioctl_bt848_h
1143 dev_bktr_ioctl_meteor_h
1144 dev_ic_bt8xx_h
1145 dev_video_bktr_ioctl_bt848_h
1146 dev_video_meteor_ioctl_meteor_h
1147 direct_h
1148 dlfcn_h
1149 dlopen
1150 dos_paths
1151 dxva_h
1152 ebp_available
1153 ebx_available
1154 exp2
1155 exp2f
1156 fast_64bit
1157 fast_clz
1158 fast_cmov
1159 fcntl
1160 fork
1161 getaddrinfo
1162 gethrtime
1163 getopt
1164 GetProcessAffinityMask
1165 GetProcessMemoryInfo
1166 GetProcessTimes
1167 GetSystemTimeAsFileTime
1168 getrusage
1169 gettimeofday
1170 gnu_as
1171 ibm_asm
1172 inet_aton
1173 io_h
1174 isatty
1175 isinf
1176 isnan
1177 jack_port_get_latency_range
1178 ldbrx
1179 libdc1394_1
1180 libdc1394_2
1181 llrint
1182 llrintf
1183 local_aligned_16
1184 local_aligned_8
1185 localtime_r
1186 log2
1187 log2f
1188 loongson
1189 lrint
1190 lrintf
1191 machine_ioctl_bt848_h
1192 machine_ioctl_meteor_h
1193 malloc_h
1194 MapViewOfFile
1195 memalign
1196 mkstemp
1197 mm_empty
1198 mmap
1199 msvcrt
1200 nanosleep
1201 poll_h
1202 posix_memalign
1203 rdtsc
1204 rint
1205 round
1206 roundf
1207 sched_getaffinity
1208 sdl
1209 sdl_video_size
1210 setmode
1211 setrlimit
1212 Sleep
1213 sndio_h
1214 socklen_t
1215 soundcard_h
1216 strerror_r
1217 strptime
1218 strtok_r
1219 struct_addrinfo
1220 struct_group_source_req
1221 struct_ip_mreq_source
1222 struct_ipv6_mreq
1223 struct_pollfd
1224 struct_rusage_ru_maxrss
1225 struct_sockaddr_in6
1226 struct_sockaddr_sa_len
1227 struct_sockaddr_storage
1228 struct_v4l2_frmivalenum_discrete
1229 symver_asm_label
1230 symver_gnu_asm
1231 sysconf
1232 sysctl
1233 sys_mman_h
1234 sys_param_h
1235 sys_resource_h
1236 sys_select_h
1237 sys_soundcard_h
1238 sys_time_h
1239 sys_videoio_h
1240 threads
1241 trunc
1242 truncf
1243 unistd_h
1244 usleep
1245 vfp_args
1246 VirtualAlloc
1247 windows_h
1248 winsock2_h
1249 xform_asm
1250 xmm_clobbers
1251 "
1252
1253 # options emitted with CONFIG_ prefix but not available on command line
1254 CONFIG_EXTRA="
1255 aandcttables
1256 ac3dsp
1257 avutil
1258 error_resilience
1259 gcrypt
1260 golomb
1261 gplv3
1262 h264chroma
1263 h264dsp
1264 h264pred
1265 h264qpel
1266 huffman
1267 lgplv3
1268 lpc
1269 mpegaudio
1270 mpegaudiodsp
1271 mpegvideo
1272 mpegvideoenc
1273 nettle
1274 rangecoder
1275 rtpdec
1276 sinewin
1277 vp3dsp
1278 "
1279
1280 CMDLINE_SELECT="
1281 $ARCH_EXT_LIST
1282 $CONFIG_LIST
1283 $HAVE_LIST_CMDLINE
1284 $THREADS_LIST
1285 asm
1286 cross_compile
1287 debug
1288 extra_warnings
1289 logging
1290 lto
1291 optimizations
1292 "
1293
1294 PATHS_LIST='
1295 bindir
1296 datadir
1297 incdir
1298 libdir
1299 mandir
1300 prefix
1301 shlibdir
1302 '
1303
1304 CMDLINE_SET="
1305 $PATHS_LIST
1306 ar
1307 arch
1308 as
1309 build_suffix
1310 cc
1311 cpu
1312 cross_prefix
1313 dep_cc
1314 extra_version
1315 host_cc
1316 host_cflags
1317 host_ld
1318 host_ldflags
1319 host_libs
1320 host_os
1321 ld
1322 logfile
1323 malloc_prefix
1324 nm
1325 optflags
1326 pkg_config
1327 random_seed
1328 samples
1329 sysinclude
1330 sysroot
1331 target_exec
1332 target_os
1333 target_path
1334 toolchain
1335 "
1336
1337 CMDLINE_APPEND="
1338 extra_cflags
1339 "
1340
1341 # code dependency declarations
1342
1343 # architecture extensions
1344
1345 armv5te_deps="arm"
1346 armv6_deps="arm"
1347 armv6t2_deps="arm"
1348 armvfp_deps="arm"
1349 neon_deps="arm"
1350 vfpv3_deps="armvfp"
1351
1352 altivec_deps="ppc"
1353 ppc4xx_deps="ppc"
1354
1355 vis_deps="sparc"
1356
1357 x86_64_suggest="cmov fast_cmov"
1358
1359 amd3dnow_deps="mmx"
1360 amd3dnowext_deps="amd3dnow"
1361 mmx_deps="x86"
1362 mmxext_deps="mmx"
1363 sse_deps="mmxext"
1364 sse2_deps="sse"
1365 sse3_deps="sse2"
1366 ssse3_deps="sse3"
1367 sse4_deps="ssse3"
1368 sse42_deps="sse4"
1369 avx_deps="sse42"
1370 fma4_deps="avx"
1371
1372 mmx_external_deps="yasm"
1373 mmx_inline_deps="inline_asm"
1374 mmx_suggest="mmx_external mmx_inline"
1375
1376 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1377 eval dep=\$${ext}_deps
1378 eval ${ext}_external_deps='"${dep}_external"'
1379 eval ${ext}_inline_deps='"${dep}_inline"'
1380 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1381 done
1382
1383 aligned_stack_if_any="ppc x86"
1384 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1385 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1386 fast_unaligned_if_any="armv6 ppc x86"
1387
1388 inline_asm_deps="!tms470"
1389 need_memalign="altivec neon sse"
1390
1391 symver_if_any="symver_asm_label symver_gnu_asm"
1392
1393 log2_deps="!msvcrt"
1394
1395 # subsystems
1396 dct_select="rdft"
1397 mdct_select="fft"
1398 rdft_select="fft"
1399 mpegaudio_select="mpegaudiodsp"
1400 mpegaudiodsp_select="dct"
1401 mpegvideoenc_select="mpegvideo"
1402
1403 # decoders / encoders / hardware accelerators
1404 aac_decoder_select="mdct sinewin"
1405 aac_encoder_select="mdct sinewin"
1406 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1407 ac3_decoder_select="mdct ac3dsp ac3_parser"
1408 ac3_encoder_select="mdct ac3dsp"
1409 ac3_fixed_encoder_select="mdct ac3dsp"
1410 alac_encoder_select="lpc"
1411 amrnb_decoder_select="lsp"
1412 amrwb_decoder_select="lsp"
1413 atrac1_decoder_select="mdct sinewin"
1414 atrac3_decoder_select="mdct"
1415 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1416 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1417 cavs_decoder_select="golomb mpegvideo"
1418 cook_decoder_select="mdct sinewin"
1419 cscd_decoder_suggest="zlib"
1420 dca_decoder_select="mdct"
1421 dnxhd_encoder_select="aandcttables mpegvideoenc"
1422 dxa_decoder_select="zlib"
1423 eac3_decoder_select="ac3_decoder"
1424 eac3_encoder_select="ac3_encoder"
1425 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1426 eatgq_decoder_select="aandcttables"
1427 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1428 ffv1_decoder_select="golomb rangecoder"
1429 ffv1_encoder_select="rangecoder"
1430 ffvhuff_encoder_select="huffman"
1431 flac_decoder_select="golomb"
1432 flac_encoder_select="golomb lpc"
1433 flashsv_decoder_select="zlib"
1434 flashsv_encoder_select="zlib"
1435 flashsv2_decoder_select="zlib"
1436 flv_decoder_select="h263_decoder"
1437 flv_encoder_select="h263_encoder"
1438 fraps_decoder_select="huffman"
1439 h261_decoder_select="error_resilience mpegvideo"
1440 h261_encoder_select="aandcttables mpegvideoenc"
1441 h263_decoder_select="error_resilience h263_parser mpegvideo"
1442 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1443 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1444 h263i_decoder_select="h263_decoder"
1445 h263p_encoder_select="h263_encoder"
1446 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1447 h264_dxva2_hwaccel_deps="dxva2api_h"
1448 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1449 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1450 h264_vda_hwaccel_select="vda h264_decoder"
1451 h264_vdpau_decoder_select="vdpau h264_decoder"
1452 huffyuv_encoder_select="huffman"
1453 iac_decoder_select="fft mdct sinewin"
1454 imc_decoder_select="fft mdct sinewin"
1455 jpegls_decoder_select="golomb"
1456 jpegls_encoder_select="golomb"
1457 ljpeg_encoder_select="aandcttables mpegvideoenc"
1458 loco_decoder_select="golomb"
1459 mdec_decoder_select="error_resilience mpegvideo"
1460 mjpeg_encoder_select="aandcttables mpegvideoenc"
1461 mlp_decoder_select="mlp_parser"
1462 mp1_decoder_select="mpegaudio"
1463 mp1float_decoder_select="mpegaudio"
1464 mp2_decoder_select="mpegaudio"
1465 mp2float_decoder_select="mpegaudio"
1466 mp3_decoder_select="mpegaudio"
1467 mp3adu_decoder_select="mpegaudio"
1468 mp3adufloat_decoder_select="mpegaudio"
1469 mp3float_decoder_select="mpegaudio"
1470 mp3on4_decoder_select="mpegaudio"
1471 mp3on4float_decoder_select="mpegaudio"
1472 mpc7_decoder_select="mpegaudiodsp"
1473 mpc8_decoder_select="mpegaudiodsp"
1474 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1475 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1476 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1477 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1478 mpeg1video_decoder_select="error_resilience mpegvideo"
1479 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1480 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1481 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1482 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1483 mpeg2video_decoder_select="error_resilience mpegvideo"
1484 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1485 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1486 mpeg4_encoder_select="h263_encoder"
1487 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1488 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1489 msmpeg4v1_decoder_select="h263_decoder"
1490 msmpeg4v1_encoder_select="h263_encoder"
1491 msmpeg4v2_decoder_select="h263_decoder"
1492 msmpeg4v2_encoder_select="h263_encoder"
1493 msmpeg4v3_decoder_select="h263_decoder"
1494 msmpeg4v3_encoder_select="h263_encoder"
1495 mss2_decoder_select="vc1_decoder"
1496 nellymoser_decoder_select="mdct sinewin"
1497 nellymoser_encoder_select="mdct sinewin"
1498 png_decoder_select="zlib"
1499 png_encoder_select="zlib"
1500 qcelp_decoder_select="lsp"
1501 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1502 ra_144_encoder_select="lpc"
1503 ralf_decoder_select="golomb"
1504 rv10_decoder_select="h263_decoder"
1505 rv10_encoder_select="h263_encoder"
1506 rv20_decoder_select="h263_decoder"
1507 rv20_encoder_select="h263_encoder"
1508 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1509 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1510 shorten_decoder_select="golomb"
1511 sipr_decoder_select="lsp"
1512 snow_decoder_select="dwt rangecoder"
1513 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1514 svq1_decoder_select="error_resilience mpegvideo"
1515 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1516 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1517 svq3_decoder_suggest="zlib"
1518 theora_decoder_select="vp3_decoder"
1519 tiff_decoder_suggest="zlib"
1520 tiff_encoder_suggest="zlib"
1521 truehd_decoder_select="mlp_decoder"
1522 tscc_decoder_select="zlib"
1523 twinvq_decoder_select="mdct lsp sinewin"
1524 utvideo_encoder_select="huffman"
1525 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1526 vc1_dxva2_hwaccel_deps="dxva2api_h"
1527 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1528 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1529 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1530 vc1image_decoder_select="vc1_decoder"
1531 vorbis_decoder_select="mdct"
1532 vorbis_encoder_select="mdct"
1533 vp3_decoder_select="vp3dsp"
1534 vp5_decoder_select="vp3dsp"
1535 vp6_decoder_select="huffman vp3dsp"
1536 vp6a_decoder_select="vp6_decoder"
1537 vp6f_decoder_select="vp6_decoder"
1538 vp8_decoder_select="h264pred h264qpel"
1539 wmapro_decoder_select="mdct sinewin"
1540 wmav1_decoder_select="mdct sinewin"
1541 wmav1_encoder_select="mdct sinewin"
1542 wmav2_decoder_select="mdct sinewin"
1543 wmav2_encoder_select="mdct sinewin"
1544 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1545 wmv1_decoder_select="h263_decoder"
1546 wmv1_encoder_select="h263_encoder"
1547 wmv2_decoder_select="h263_decoder"
1548 wmv2_encoder_select="h263_encoder"
1549 wmv3_decoder_select="vc1_decoder"
1550 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1551 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1552 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1553 wmv3image_decoder_select="wmv3_decoder"
1554 zerocodec_decoder_select="zlib"
1555 zlib_decoder_select="zlib"
1556 zlib_encoder_select="zlib"
1557 zmbv_decoder_select="zlib"
1558 zmbv_encoder_select="zlib"
1559
1560 vaapi_deps="va_va_h"
1561 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1562 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1563
1564 # parsers
1565 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1566 mpeg4video_parser_select="error_resilience mpegvideo"
1567 mpegvideo_parser_select="error_resilience mpegvideo"
1568 vc1_parser_select="error_resilience mpegvideo"
1569
1570 # external libraries
1571 libfaac_encoder_deps="libfaac"
1572 libfdk_aac_encoder_deps="libfdk_aac"
1573 libgsm_decoder_deps="libgsm"
1574 libgsm_encoder_deps="libgsm"
1575 libgsm_ms_decoder_deps="libgsm"
1576 libgsm_ms_encoder_deps="libgsm"
1577 libilbc_decoder_deps="libilbc"
1578 libilbc_encoder_deps="libilbc"
1579 libmp3lame_encoder_deps="libmp3lame"
1580 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1581 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1582 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1583 libopenjpeg_decoder_deps="libopenjpeg"
1584 libopenjpeg_encoder_deps="libopenjpeg"
1585 libopus_decoder_deps="libopus"
1586 libopus_encoder_deps="libopus"
1587 libschroedinger_decoder_deps="libschroedinger"
1588 libschroedinger_encoder_deps="libschroedinger"
1589 libspeex_decoder_deps="libspeex"
1590 libspeex_encoder_deps="libspeex"
1591 libtheora_encoder_deps="libtheora"
1592 libvo_aacenc_encoder_deps="libvo_aacenc"
1593 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1594 libvorbis_encoder_deps="libvorbis"
1595 libvpx_decoder_deps="libvpx"
1596 libvpx_encoder_deps="libvpx"
1597 libx264_encoder_deps="libx264"
1598 libxavs_encoder_deps="libxavs"
1599 libxvid_encoder_deps="libxvid"
1600
1601 # demuxers / muxers
1602 ac3_demuxer_select="ac3_parser"
1603 asf_stream_muxer_select="asf_muxer"
1604 avisynth_demuxer_deps="avisynth"
1605 dirac_demuxer_select="dirac_parser"
1606 eac3_demuxer_select="ac3_parser"
1607 flac_demuxer_select="flac_parser"
1608 ipod_muxer_select="mov_muxer"
1609 matroska_audio_muxer_select="matroska_muxer"
1610 matroska_demuxer_suggest="zlib bzlib"
1611 mov_demuxer_suggest="zlib"
1612 mp3_demuxer_select="mpegaudio_parser"
1613 mp4_muxer_select="mov_muxer"
1614 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1615 mpegtsraw_demuxer_select="mpegts_demuxer"
1616 mxf_d10_muxer_select="mxf_muxer"
1617 ogg_demuxer_select="golomb"
1618 psp_muxer_select="mov_muxer"
1619 rtp_demuxer_select="sdp_demuxer"
1620 rtp_muxer_select="mpegvideo"
1621 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1622 rtsp_demuxer_select="http_protocol rtpdec"
1623 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1624 sap_demuxer_select="sdp_demuxer"
1625 sap_muxer_select="rtp_muxer rtp_protocol"
1626 sdp_demuxer_select="rtpdec"
1627 smoothstreaming_muxer_select="ismv_muxer"
1628 spdif_muxer_select="aac_parser"
1629 tg2_muxer_select="mov_muxer"
1630 tgp_muxer_select="mov_muxer"
1631 w64_demuxer_deps="wav_demuxer"
1632
1633 # indevs / outdevs
1634 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1635 alsa_outdev_deps="alsa_asoundlib_h"
1636 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1637 dv1394_indev_deps="dv1394 dv_demuxer"
1638 fbdev_indev_deps="linux_fb_h"
1639 jack_indev_deps="jack_jack_h"
1640 libcdio_indev_deps="libcdio"
1641 libdc1394_indev_deps="libdc1394"
1642 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1643 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1644 pulse_indev_deps="libpulse"
1645 sndio_indev_deps="sndio_h"
1646 sndio_outdev_deps="sndio_h"
1647 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1648 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1649 vfwcap_indev_extralibs="-lavicap32"
1650 x11grab_indev_deps="x11grab XShmCreateImage"
1651
1652 # protocols
1653 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1654 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1655 ffrtmpcrypt_protocol_select="tcp_protocol"
1656 ffrtmphttp_protocol_deps="!librtmp_protocol"
1657 ffrtmphttp_protocol_select="http_protocol"
1658 gopher_protocol_deps="network"
1659 httpproxy_protocol_deps="network"
1660 httpproxy_protocol_select="tcp_protocol"
1661 http_protocol_deps="network"
1662 http_protocol_select="tcp_protocol"
1663 https_protocol_select="tls_protocol"
1664 librtmp_protocol_deps="librtmp"
1665 librtmpe_protocol_deps="librtmp"
1666 librtmps_protocol_deps="librtmp"
1667 librtmpt_protocol_deps="librtmp"
1668 librtmpte_protocol_deps="librtmp"
1669 mmsh_protocol_select="http_protocol"
1670 mmst_protocol_deps="network"
1671 rtmp_protocol_deps="!librtmp_protocol"
1672 rtmp_protocol_select="tcp_protocol"
1673 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1674 rtmps_protocol_deps="!librtmp_protocol"
1675 rtmps_protocol_select="tls_protocol"
1676 rtmpt_protocol_select="ffrtmphttp_protocol"
1677 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1678 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1679 rtp_protocol_select="udp_protocol"
1680 sctp_protocol_deps="network struct_sctp_event_subscribe"
1681 tcp_protocol_deps="network"
1682 tls_protocol_deps_any="openssl gnutls"
1683 tls_protocol_select="tcp_protocol"
1684 udp_protocol_deps="network"
1685
1686 # filters
1687 blackframe_filter_deps="gpl"
1688 boxblur_filter_deps="gpl"
1689 cropdetect_filter_deps="gpl"
1690 delogo_filter_deps="gpl"
1691 drawtext_filter_deps="libfreetype"
1692 frei0r_filter_deps="frei0r dlopen strtok_r"
1693 frei0r_filter_extralibs='$ldl'
1694 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1695 frei0r_src_filter_extralibs='$ldl'
1696 hqdn3d_filter_deps="gpl"
1697 resample_filter_deps="avresample"
1698 ocv_filter_deps="libopencv"
1699 scale_filter_deps="swscale"
1700 yadif_filter_deps="gpl"
1701
1702 # libraries
1703 avdevice_deps="avcodec avformat"
1704 avformat_deps="avcodec"
1705
1706 # programs
1707 avconv_deps="avcodec avfilter avformat avresample swscale
1708 aformat_filter asyncts_filter
1709 format_filter fps_filter scale_filter setpts_filter"
1710 avplay_deps="avcodec avformat swscale sdl"
1711 avplay_select="rdft"
1712 avprobe_deps="avcodec avformat"
1713 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1714 avserver_extralibs='$ldl'
1715
1716 doc_deps="texi2html"
1717
1718 # tests
1719
1720 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1721 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1722
1723 test_deps(){
1724 suf1=$1
1725 suf2=$2
1726 shift 2
1727 for v; do
1728 dep=${v%=*}
1729 tests=${v#*=}
1730 for name in ${tests}; do
1731 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1732 done
1733 done
1734 }
1735
1736 test_deps _muxer _demuxer \
1737 aiff \
1738 pcm_alaw=alaw \
1739 asf \
1740 au \
1741 avi \
1742 dv=dv_fmt \
1743 ffm \
1744 flv=flv_fmt \
1745 gxf \
1746 matroska=mkv \
1747 mmf \
1748 mov \
1749 pcm_mulaw=mulaw \
1750 mxf="mxf mxf_d10" \
1751 nut \
1752 ogg \
1753 rawvideo=pixfmt \
1754 rm \
1755 swf \
1756 mpegts=ts \
1757 voc \
1758 wav \
1759 yuv4mpegpipe=yuv4mpeg \
1760
1761 # default parameters
1762
1763 logfile="config.log"
1764
1765 # installation paths
1766 prefix_default="/usr/local"
1767 bindir_default='${prefix}/bin'
1768 datadir_default='${prefix}/share/avconv'
1769 incdir_default='${prefix}/include'
1770 libdir_default='${prefix}/lib'
1771 mandir_default='${prefix}/share/man'
1772 shlibdir_default="$libdir_default"
1773
1774 # toolchain
1775 ar_default="ar"
1776 cc_default="gcc"
1777 host_cc_default="gcc"
1778 ln_s="ln -sf"
1779 nm_default="nm -g"
1780 objformat="elf"
1781 pkg_config_default=pkg-config
1782 ranlib="ranlib"
1783 yasmexe="yasm"
1784
1785 nogas=":"
1786
1787 # machine
1788 arch_default=$(uname -m)
1789 cpu="generic"
1790
1791 # OS
1792 target_os_default=$(tolower $(uname -s))
1793 host_os=$target_os_default
1794
1795 # configurable options
1796 enable $PROGRAM_LIST
1797
1798 enable avcodec
1799 enable avdevice
1800 enable avfilter
1801 enable avformat
1802 enable avresample
1803 enable avutil
1804 enable swscale
1805
1806 enable asm
1807 enable debug
1808 enable doc
1809 enable network
1810 enable optimizations
1811 enable safe_bitstream_reader
1812 enable static
1813 enable swscale_alpha
1814
1815 # build settings
1816 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1817 AVSERVERLDFLAGS=-Wl,-E
1818 LIBPREF="lib"
1819 LIBSUF=".a"
1820 FULLNAME='$(NAME)$(BUILDSUF)'
1821 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1822 SLIBPREF="lib"
1823 SLIBSUF=".so"
1824 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1825 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1826 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1827 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1828 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1829 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1830
1831 asflags_filter=echo
1832 cflags_filter=echo
1833 ldflags_filter=echo
1834
1835 AS_C='-c'
1836 AS_O='-o $@'
1837 CC_C='-c'
1838 CC_E='-E -o $@'
1839 CC_O='-o $@'
1840 LD_O='-o $@'
1841 LD_LIB='-l%'
1842 LD_PATH='-L'
1843 HOSTCC_C='-c'
1844 HOSTCC_O='-o $@'
1845 HOSTLD_O='-o $@'
1846
1847 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1848 host_libs='-lm'
1849 host_cflags_filter=echo
1850 host_ldflags_filter=echo
1851
1852 target_path='$(CURDIR)'
1853
1854 # since the object filename is not given with the -MM flag, the compiler
1855 # is only able to print the basename, and we must add the path ourselves
1856 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1857 DEPFLAGS='-MM'
1858
1859 # find source path
1860 if test -f configure; then
1861 source_path=.
1862 else
1863 source_path=$(cd $(dirname "$0"); pwd)
1864 echo "$source_path" | grep -q '[[:blank:]]' &&
1865 die "Out of tree builds are impossible with whitespace in source path."
1866 test -e "$source_path/config.h" &&
1867 die "Out of tree builds are impossible with config.h in source dir."
1868 fi
1869
1870 for v in "$@"; do
1871 r=${v#*=}
1872 l=${v%"$r"}
1873 r=$(sh_quote "$r")
1874 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1875 done
1876
1877 find_things(){
1878 thing=$1
1879 pattern=$2
1880 file=$source_path/$3
1881 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1882 }
1883
1884 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1885 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1886 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1887 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1888 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1889 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1890 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1891 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1892 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1893 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1894 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1895
1896 ALL_COMPONENTS="
1897 $BSF_LIST
1898 $DECODER_LIST
1899 $DEMUXER_LIST
1900 $ENCODER_LIST
1901 $FILTER_LIST
1902 $HWACCEL_LIST
1903 $INDEV_LIST
1904 $MUXER_LIST
1905 $OUTDEV_LIST
1906 $PARSER_LIST
1907 $PROTOCOL_LIST
1908 "
1909
1910 find_tests(){
1911 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1912 }
1913
1914 LAVF_TESTS=$(find_tests lavf)
1915 LAVFI_TESTS=$(find_tests lavfi)
1916 SEEK_TESTS=$(find_tests seek seek_)
1917
1918 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1919
1920 for n in $COMPONENT_LIST; do
1921 v=$(toupper ${n%s})_LIST
1922 eval enable \$$v
1923 eval ${n}_if_any="\$$v"
1924 done
1925
1926 enable $ARCH_EXT_LIST $ALL_TESTS
1927
1928 die_unknown(){
1929 echo "Unknown option \"$1\"."
1930 echo "See $0 --help for available options."
1931 exit 1
1932 }
1933
1934 show_list() {
1935 suffix=_$1
1936 shift
1937 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1938 exit 0
1939 }
1940
1941 rand_list(){
1942 IFS=', '
1943 set -- $*
1944 unset IFS
1945 for thing; do
1946 comp=${thing%:*}
1947 prob=${thing#$comp}
1948 prob=${prob#:}
1949 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1950 echo "prob ${prob:-0.5}"
1951 printf '%s\n' $comp
1952 done
1953 }
1954
1955 do_random(){
1956 action=$1
1957 shift
1958 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1959 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1960 }
1961
1962 for opt do
1963 optval="${opt#*=}"
1964 case "$opt" in
1965 --extra-ldflags=*) add_ldflags $optval
1966 ;;
1967 --extra-libs=*) add_extralibs $optval
1968 ;;
1969 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1970 ;;
1971 --enable-debug=*) debuglevel="$optval"
1972 ;;
1973 --disable-everything)
1974 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1975 ;;
1976 --enable-random|--disable-random)
1977 action=${opt%%-random}
1978 do_random ${action#--} $COMPONENT_LIST
1979 ;;
1980 --enable-random=*|--disable-random=*)
1981 action=${opt%%-random=*}
1982 do_random ${action#--} $optval
1983 ;;
1984 --enable-*=*|--disable-*=*)
1985 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1986 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1987 eval list=\$$(toupper $thing)_LIST
1988 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1989 $action $(filter "$name" $list)
1990 ;;
1991 --enable-?*|--disable-?*)
1992 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1993 if is_in $option $COMPONENT_LIST; then
1994 test $action = disable && action=unset
1995 eval $action \$$(toupper ${option%s})_LIST
1996 elif is_in $option $CMDLINE_SELECT; then
1997 $action $option
1998 else
1999 die_unknown $opt
2000 fi
2001 ;;
2002 --list-*)
2003 NAME="${opt#--list-}"
2004 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2005 NAME=${NAME%s}
2006 eval show_list $NAME \$$(toupper $NAME)_LIST
2007 ;;
2008 --help|-h) show_help
2009 ;;
2010 *)
2011 optname="${opt%%=*}"
2012 optname="${optname#--}"
2013 optname=$(echo "$optname" | sed 's/-/_/g')
2014 if is_in $optname $CMDLINE_SET; then
2015 eval $optname='$optval'
2016 elif is_in $optname $CMDLINE_APPEND; then
2017 append $optname "$optval"
2018 else
2019 die_unknown $opt
2020 fi
2021 ;;
2022 esac
2023 done
2024
2025 disabled logging && logfile=/dev/null
2026
2027 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2028 set >> $logfile
2029
2030 test -n "$cross_prefix" && enable cross_compile
2031
2032 if enabled cross_compile; then
2033 test -n "$arch" && test -n "$target_os" ||
2034 die "Must specify target arch and OS when cross-compiling"
2035 fi
2036
2037 set_default arch target_os
2038
2039 ar_default="${cross_prefix}${ar_default}"
2040 cc_default="${cross_prefix}${cc_default}"
2041 nm_default="${cross_prefix}${nm_default}"
2042 pkg_config_default="${cross_prefix}${pkg_config_default}"
2043 ranlib="${cross_prefix}${ranlib}"
2044
2045 sysinclude_default="${sysroot}/usr/include"
2046
2047 case "$toolchain" in
2048 msvc)
2049 cc_default="c99wrap cl"
2050 ld_default="c99wrap link"
2051 nm_default="dumpbin -symbols"
2052 ar_default="lib"
2053 ;;
2054 ?*)
2055 die "Unknown toolchain $toolchain"
2056 ;;
2057 esac
2058
2059 set_default cc pkg_config sysinclude
2060 enabled cross_compile || host_cc_default=$cc
2061 set_default host_cc
2062
2063 if ! $pkg_config --version >/dev/null 2>&1; then
2064 warn "$pkg_config not found, library detection may fail."
2065 pkg_config=false
2066 fi
2067
2068 exesuf() {
2069 case $1 in
2070 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2071 esac
2072 }
2073
2074 EXESUF=$(exesuf $target_os)
2075 HOSTEXESUF=$(exesuf $host_os)
2076
2077 # set temporary file name
2078 : ${TMPDIR:=$TEMPDIR}
2079 : ${TMPDIR:=$TMP}
2080 : ${TMPDIR:=/tmp}
2081
2082 if ! check_cmd mktemp -u XXXXXX; then
2083 # simple replacement for missing mktemp
2084 # NOT SAFE FOR GENERAL USE
2085 mktemp(){
2086 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2087 }
2088 fi
2089
2090 tmpfile(){
2091 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2092 (set -C; exec > $tmp) 2>/dev/null ||
2093 die "Unable to create temporary file in $TMPDIR."
2094 append TMPFILES $tmp
2095 eval $1=$tmp
2096 }
2097
2098 trap 'rm -f -- $TMPFILES' EXIT
2099
2100 tmpfile TMPASM .asm
2101 tmpfile TMPC .c
2102 tmpfile TMPE $EXESUF
2103 tmpfile TMPH .h
2104 tmpfile TMPO .o
2105 tmpfile TMPS .S
2106 tmpfile TMPSH .sh
2107 tmpfile TMPV .ver
2108
2109 unset -f mktemp
2110
2111 chmod +x $TMPE
2112
2113 # make sure we can execute files in $TMPDIR
2114 cat > $TMPSH 2>> $logfile <<EOF
2115 #! /bin/sh
2116 EOF
2117 chmod +x $TMPSH >> $logfile 2>&1
2118 if ! $TMPSH >> $logfile 2>&1; then
2119 cat <<EOF
2120 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2121 variable to another directory and make sure that it is not mounted noexec.
2122 EOF
2123 die "Sanity test failed."
2124 fi
2125
2126 msvc_flags(){
2127 for flag; do
2128 case $flag in
2129 -fomit-frame-pointer) echo -Oy ;;
2130 -g) echo -Z7 ;;
2131 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2132 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2133 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2134 -wd4996 ;;
2135 -std=c99) ;;
2136 -fno-math-errno) ;;
2137 -fno-common) ;;
2138 -fno-signed-zeros) ;;
2139 -lz) echo zlib.lib ;;
2140 -lavifil32) echo vfw32.lib ;;
2141 -lavicap32) echo vfw32.lib user32.lib ;;
2142 -l*) echo ${flag#-l}.lib ;;
2143 *) echo $flag ;;
2144 esac
2145 done
2146 }
2147
2148 pgi_flags(){
2149 for flag; do
2150 case $flag in
2151 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2152 -fomit-frame-pointer) echo -Mnoframe ;;
2153 -g) echo -gopt ;;
2154 *) echo $flag ;;
2155 esac
2156 done
2157 }
2158
2159 suncc_flags(){
2160 for flag; do
2161 case $flag in
2162 -march=*|-mcpu=*)
2163 case "${flag#*=}" in
2164 native) echo -xtarget=native ;;
2165 v9|niagara) echo -xarch=sparc ;;
2166 ultrasparc) echo -xarch=sparcvis ;;
2167 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2168 i586|pentium) echo -xchip=pentium ;;
2169 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2170 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2171 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2172 pentium4*) echo -xtarget=pentium4 ;;
2173 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2174 *-sse3) echo -xarch=sse3 ;;
2175 core2) echo -xarch=ssse3 -xchip=core2 ;;
2176 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2177 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2178 k8|opteron|athlon64|athlon-fx)
2179 echo -xarch=sse2a ;;
2180 athlon*) echo -xarch=pentium_proa ;;
2181 esac
2182 ;;
2183 -std=c99) echo -xc99 ;;
2184 -fomit-frame-pointer) echo -xregs=frameptr ;;
2185 -fPIC) echo -KPIC -xcode=pic32 ;;
2186 -W*,*) echo $flag ;;
2187 -f*-*|-W*) ;;
2188 *) echo $flag ;;
2189 esac
2190 done
2191 }
2192
2193 tms470_flags(){
2194 for flag; do
2195 case $flag in
2196 -march=*|-mcpu=*)
2197 case "${flag#*=}" in
2198 armv7-a|cortex-a*) echo -mv=7a8 ;;
2199 armv7-r|cortex-r*) echo -mv=7r4 ;;
2200 armv7-m|cortex-m*) echo -mv=7m3 ;;
2201 armv6*|arm11*) echo -mv=6 ;;
2202 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2203 echo -mv=5e ;;
2204 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2205 esac
2206 ;;
2207 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2208 -mfpu=vfp) echo --float_support=vfpv2 ;;
2209 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2210 -msoft-float) echo --float_support=vfplib ;;
2211 -O[0-3]|-mf=*) echo $flag ;;
2212 -g) echo -g -mn ;;
2213 -pds=*) echo $flag ;;
2214 -D*|-I*) echo $flag ;;
2215 --gcc|--abi=*) echo $flag ;;
2216 -me) echo $flag ;;
2217 esac
2218 done
2219 }
2220
2221 probe_cc(){
2222 pfx=$1
2223 _cc=$2
2224
2225 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2226 unset _ld_o _ldflags _ld_lib _ld_path
2227 unset _depflags _DEPCMD _DEPFLAGS
2228 _flags_filter=echo
2229
2230 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2231 _type=llvm_gcc
2232 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2233 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2234 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2235 _cflags_speed='-O3'
2236 _cflags_size='-Os'
2237 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2238 _type=gcc
2239 gcc_version=$($_cc --version | head -n1)
2240 gcc_basever=$($_cc -dumpversion)
2241 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2242 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2243 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2244 if ! $_cc -dumpversion | grep -q '^2\.'; then
2245 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2246 fi
2247 _cflags_speed='-O3'
2248 _cflags_size='-Os'
2249 elif $_cc --version 2>/dev/null | grep -q Intel; then
2250 _type=icc
2251 _ident=$($_cc --version | head -n1)
2252 _depflags='-MMD'
2253 _cflags_speed='-O3'
2254 _cflags_size='-Os'
2255 _cflags_noopt='-O1'
2256 elif $_cc -v 2>&1 | grep -q xlc; then
2257 _type=xlc
2258 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2259 _cflags_speed='-O5'
2260 _cflags_size='-O5 -qcompact'
2261 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2262 _type=ccc
2263 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2264 _DEPFLAGS='-M'
2265 debuglevel=3
2266 _ldflags='-Wl,-z,now' # calls to libots crash without this
2267 _cflags_speed='-fast'
2268 _cflags_size='-O1'
2269 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2270 test -d "$sysroot" || die "No valid sysroot specified."
2271 _type=armcc
2272 _ident=$($_cc --vsn | head -n1)
2273 armcc_conf="$PWD/armcc.conf"
2274 $_cc --arm_linux_configure \
2275 --arm_linux_config_file="$armcc_conf" \
2276 --configure_sysroot="$sysroot" \
2277 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2278 die "Error creating armcc configuration file."
2279 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2280 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2281 as_default="${cross_prefix}gcc"
2282 _depflags='-MMD'
2283 _cflags_speed='-O3'
2284 _cflags_size='-Os'
2285 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2286 _type=tms470
2287 _ident=$($_cc -version | head -n1 | tr -s ' ')
2288 _flags='--gcc --abi=eabi -me'
2289 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2290 _cc_e='-ppl -fe=$@'
2291 _cc_o='-fe=$@'
2292 as_default="${cross_prefix}gcc"
2293 ld_default="${cross_prefix}gcc"
2294 _depflags='-ppa -ppd=$(@:.o=.d)'
2295 _cflags_speed='-O3 -mf=5'
2296 _cflags_size='-O3 -mf=2'
2297 _flags_filter=tms470_flags
2298 elif $_cc -v 2>&1 | grep -q clang; then
2299 _type=clang
2300 _ident=$($_cc --version | head -n1)
2301 _depflags='-MMD'
2302 _cflags_speed='-O3'
2303 _cflags_size='-Os'
2304 elif $_cc -V 2>&1 | grep -q Sun; then
2305 _type=suncc
2306 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2307 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2308 _DEPFLAGS='-xM1 -xc99'
2309 _ldflags='-std=c99'
2310 _cflags_speed='-O5'
2311 _cflags_size='-O5 -xspace'
2312 _flags_filter=suncc_flags
2313 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2314 _type=pathscale
2315 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2316 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2317 _cflags_speed='-O2'
2318 _cflags_size='-Os'
2319 _flags_filter='filter_out -Wdisabled-optimization'
2320 elif $_cc -v 2>&1 | grep -q Open64; then
2321 _type=open64
2322 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2323 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2324 _cflags_speed='-O2'
2325 _cflags_size='-Os'
2326 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2327 elif $_cc -V 2>&1 | grep -q Portland; then
2328 _type=pgi
2329 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2330 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2331 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2332 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2333 _cflags_noopt="-O1"
2334 _flags_filter=pgi_flags
2335 elif $_cc 2>&1 | grep -q Microsoft; then
2336 _type=msvc
2337 _ident=$($cc 2>&1 | head -n1)
2338 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2339 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2340 _cflags_speed="-O2"
2341 _cflags_size="-O1"
2342 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2343 if $_cc 2>&1 | grep -q Linker; then
2344 _ld_o='-out $@'
2345 else
2346 _ld_o='-Fe$@'
2347 fi
2348 _cc_o='-Fo $@'
2349 _cc_e='-P -Fi $@'
2350 _flags_filter=msvc_flags
2351 _ld_lib='lib%.a'
2352 _ld_path='-libpath:'
2353 _flags='-nologo'
2354 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2355 if [ $pfx = hostcc ]; then
2356 append _cflags -Dsnprintf=_snprintf
2357 fi
2358 fi
2359
2360 eval ${pfx}_type=\$_type
2361 eval ${pfx}_ident=\$_ident
2362 }
2363
2364 set_ccvars(){
2365 eval ${1}_C=\${_cc_c-\${${1}_C}}
2366 eval ${1}_E=\${_cc_e-\${${1}_E}}
2367 eval ${1}_O=\${_cc_o-\${${1}_O}}
2368
2369 if [ -n "$_depflags" ]; then
2370 eval ${1}_DEPFLAGS=\$_depflags
2371 else
2372 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2373 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2374 eval DEP${1}FLAGS=\$_flags
2375 fi
2376 }
2377
2378 probe_cc cc "$cc"
2379 cflags_filter=$_flags_filter
2380 cflags_speed=$_cflags_speed
2381 cflags_size=$_cflags_size
2382 cflags_noopt=$_cflags_noopt
2383 add_cflags $_flags $_cflags
2384 cc_ldflags=$_ldflags
2385 set_ccvars CC
2386
2387 probe_cc hostcc "$host_cc"
2388 host_cflags_filter=$_flags_filter
2389 add_host_cflags $_flags $_cflags
2390 set_ccvars HOSTCC
2391
2392 test -n "$cc_type" && enable $cc_type ||
2393 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2394
2395 : ${as_default:=$cc}
2396 : ${dep_cc_default:=$cc}
2397 : ${ld_default:=$cc}
2398 : ${host_ld_default:=$host_cc}
2399 set_default ar as dep_cc ld host_ld
2400
2401 probe_cc as "$as"
2402 asflags_filter=$_flags_filter
2403 add_asflags $_flags $_cflags
2404 set_ccvars AS
2405
2406 probe_cc ld "$ld"
2407 ldflags_filter=$_flags_filter
2408 add_ldflags $_flags $_ldflags
2409 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2410 LD_O=${_ld_o-$LD_O}
2411 LD_LIB=${_ld_lib-$LD_LIB}
2412 LD_PATH=${_ld_path-$LD_PATH}
2413
2414 probe_cc hostld "$host_ld"
2415 host_ldflags_filter=$_flags_filter
2416 add_host_ldflags $_flags $_ldflags
2417 HOSTLD_O=${_ld_o-$HOSTLD_O}
2418
2419 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2420 probe_cc depcc "$dep_cc"
2421 CCDEP=${_DEPCMD:-$DEPCMD}
2422 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2423 DEPCCFLAGS=$_flags
2424 fi
2425
2426 if $ar 2>&1 | grep -q Microsoft; then
2427 arflags="-nologo"
2428 ar_o='-out:$@'
2429 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2430 arflags="rq"
2431 ar_o='$@'
2432 else
2433 arflags="rc"
2434 ar_o='$@'
2435 fi
2436
2437 add_cflags $extra_cflags
2438 add_asflags $extra_cflags
2439
2440 if test -n "$sysroot"; then
2441 case "$cc_type" in
2442 gcc|llvm_gcc|clang)
2443 add_cppflags --sysroot="$sysroot"
2444 add_ldflags --sysroot="$sysroot"
2445 ;;
2446 tms470)
2447 add_cppflags -I"$sysinclude"
2448 add_ldflags --sysroot="$sysroot"
2449 ;;
2450 esac
2451 fi
2452
2453 if test "$cpu" = host; then
2454 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2455
2456 case "$cc_type" in
2457 gcc|llvm_gcc)
2458 check_native(){
2459 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2460 sed -n "/cc1.*$1=/{
2461 s/.*$1=\\([^ ]*\\).*/\\1/
2462 p
2463 q
2464 }" $TMPE
2465 }
2466 cpu=$(check_native -march || check_native -mcpu)
2467 ;;
2468 esac
2469
2470 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2471 fi
2472
2473 # Deal with common $arch aliases
2474 case "$arch" in
2475 arm*)
2476 arch="arm"
2477 ;;
2478 mips|mipsel|IP*)
2479 arch="mips"
2480 ;;
2481 mips64*)
2482 arch="mips"
2483 subarch="mips64"
2484 ;;
2485 parisc|hppa)
2486 arch="parisc"
2487 ;;
2488 parisc64|hppa64)
2489 arch="parisc"
2490 subarch="parisc64"
2491 ;;
2492 "Power Macintosh"|ppc|powerpc)
2493 arch="ppc"
2494 ;;
2495 ppc64|powerpc64)
2496 arch="ppc"
2497 subarch="ppc64"
2498 ;;
2499 s390|s390x)
2500 arch="s390"
2501 ;;
2502 sh4|sh)
2503 arch="sh4"
2504 ;;
2505 sun4u|sparc64)
2506 arch="sparc"
2507 subarch="sparc64"
2508 ;;
2509 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2510 arch="x86"
2511 ;;
2512 esac
2513
2514 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2515 enable $arch
2516
2517 # Add processor-specific flags
2518 if test "$cpu" = generic; then
2519 : do nothing
2520 elif enabled ppc; then
2521
2522 case $(tolower $cpu) in
2523 601|ppc601|powerpc601)
2524 cpuflags="-mcpu=601"
2525 disable altivec
2526 ;;
2527 603*|ppc603*|powerpc603*)
2528 cpuflags="-mcpu=603"
2529 disable altivec
2530 ;;
2531 604*|ppc604*|powerpc604*)
2532 cpuflags="-mcpu=604"
2533 disable altivec
2534 ;;
2535 g3|75*|ppc75*|powerpc75*)
2536 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2537 disable altivec
2538 ;;
2539 g4|745*|ppc745*|powerpc745*)
2540 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2541 ;;
2542 74*|ppc74*|powerpc74*)
2543 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2544 ;;
2545 g5|970|ppc970|powerpc970)
2546 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2547 ;;
2548 power[3-7]*)
2549 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2550 ;;
2551 cell)
2552 cpuflags="-mcpu=cell"
2553 enable ldbrx
2554 ;;
2555 e500mc)
2556 cpuflags="-mcpu=e500mc"
2557 disable altivec
2558 ;;
2559 e500v2)
2560 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2561 disable altivec
2562 ;;
2563 e500)
2564 cpuflags="-mcpu=8540 -mhard-float"
2565 disable altivec
2566 ;;
2567 esac
2568
2569 elif enabled x86; then
2570
2571 case $cpu in
2572 i[345]86|pentium)
2573 cpuflags="-march=$cpu"
2574 disable mmx
2575 ;;
2576 # targets that do NOT support conditional mov (cmov)
2577 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2578 cpuflags="-march=$cpu"
2579 disable cmov
2580 ;;
2581 # targets that do support conditional mov (cmov)
2582 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2583 cpuflags="-march=$cpu"
2584 enable cmov
2585 enable fast_cmov
2586 ;;
2587 # targets that do support conditional mov but on which it's slow
2588 pentium4|pentium4m|prescott|nocona)
2589 cpuflags="-march=$cpu"
2590 enable cmov
2591 disable fast_cmov
2592 ;;
2593 esac
2594
2595 elif enabled sparc; then
2596
2597 case $cpu in
2598 niagara)
2599 cpuflags="-mcpu=$cpu"
2600 disable vis
2601 ;;
2602 sparc64)
2603 cpuflags="-mcpu=v9"
2604 ;;
2605 esac
2606
2607 elif enabled arm; then
2608
2609 case $cpu in
2610 armv*)
2611 cpuflags="-march=$cpu"
2612 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2613 ;;
2614 *)
2615 cpuflags="-mcpu=$cpu"
2616 case $cpu in
2617 cortex-a*) subarch=armv7a ;;
2618 cortex-r*) subarch=armv7r ;;
2619 cortex-m*) enable thumb; subarch=armv7m ;;
2620 arm11*) subarch=armv6 ;;
2621 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2622 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2623 esac
2624 ;;
2625 esac
2626
2627 elif enabled alpha; then
2628
2629 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2630
2631 elif enabled bfin; then
2632
2633 cpuflags="-mcpu=$cpu"
2634
2635 elif enabled mips; then
2636
2637 cpuflags="-march=$cpu"
2638
2639 elif enabled avr32; then
2640
2641 case $cpu in
2642 ap7[02]0[0-2])
2643 subarch="avr32_ap"
2644 cpuflags="-mpart=$cpu"
2645 ;;
2646 ap)
2647 subarch="avr32_ap"
2648 cpuflags="-march=$cpu"
2649 ;;
2650 uc3[ab]*)
2651 subarch="avr32_uc"
2652 cpuflags="-mcpu=$cpu"
2653 ;;
2654 uc)
2655 subarch="avr32_uc"
2656 cpuflags="-march=$cpu"
2657 ;;
2658 esac
2659
2660 fi
2661
2662 add_cflags $cpuflags
2663 add_asflags $cpuflags
2664
2665 # compiler sanity check
2666 check_exec <<EOF
2667 int main(void){ return 0; }
2668 EOF
2669 if test "$?" != 0; then
2670 echo "$cc is unable to create an executable file."
2671 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2672 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2673 echo "Only do this if you know what cross compiling means."
2674 fi
2675 die "C compiler test failed."
2676 fi
2677
2678 add_cppflags -D_ISOC99_SOURCE
2679 check_cflags -std=c99
2680 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2681 #include <stdlib.h>
2682 EOF
2683 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2684 #include <stdlib.h>
2685 EOF
2686
2687 check_host_cflags -std=c99
2688 check_host_cflags -Wall
2689
2690 case "$arch" in
2691 alpha|ia64|mips|parisc|sparc)
2692 spic=$shared
2693 ;;
2694 x86)
2695 subarch="x86_32"
2696 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2697 if test "$subarch" = "x86_64"; then
2698 spic=$shared
2699 fi
2700 ;;
2701 esac
2702
2703 enable $subarch
2704 enabled spic && enable pic
2705
2706 # OS specific
2707 case $target_os in
2708 haiku)
2709 prefix_default="/boot/common"
2710 network_extralibs="-lnetwork"
2711 host_libs=
2712 ;;
2713 sunos)
2714 AVSERVERLDFLAGS=""
2715 SHFLAGS='-shared -Wl,-h,$$(@F)'
2716 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2717 network_extralibs="-lsocket -lnsl"
2718 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2719 # When using suncc to build, the Solaris linker will mark
2720 # an executable with each instruction set encountered by
2721 # the Solaris assembler. As our libraries contain their own
2722 # guards for processor-specific code, instead suppress
2723 # generation of the HWCAPS ELF section on Solaris x86 only.
2724 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2725 nm_default='nm -P -g'
2726 ;;
2727 netbsd)
2728 disable symver
2729 oss_indev_extralibs="-lossaudio"
2730 oss_outdev_extralibs="-lossaudio"
2731 ;;
2732 openbsd|bitrig)
2733 # On OpenBSD 4.5. the compiler does not use PIC unless
2734 # explicitly using -fPIC. Libav builds fine without PIC,
2735 # however the generated executable will not do anything
2736 # (simply quits with exit-code 1, no crash, no output).
2737 # Thus explicitly enable PIC here.
2738 enable pic
2739 disable symver
2740 SHFLAGS='-shared'
2741 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2742 SLIB_INSTALL_LINKS=
2743 oss_indev_extralibs="-lossaudio"
2744 oss_outdev_extralibs="-lossaudio"
2745 ;;
2746 dragonfly)
2747 disable symver
2748 ;;
2749 freebsd)
2750 ;;
2751 bsd/os)
2752 add_extralibs -lpoll -lgnugetopt
2753 ;;
2754 darwin)
2755 gas="gas-preprocessor.pl $cc"
2756 enabled ppc && add_asflags -force_cpusubtype_ALL
2757 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2758 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2759 add_ldflags -Wl,-dynamic,-search_paths_first
2760 SLIBSUF=".dylib"
2761 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2762 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2763 AVSERVERLDFLAGS=-Wl,-bind_at_load
2764 objformat="macho"
2765 enabled x86_64 && objformat="macho64"
2766 enabled_any pic shared ||
2767 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2768 ;;
2769 mingw32*)
2770 if test $target_os = "mingw32ce"; then
2771 disable network
2772 else
2773 target_os=mingw32
2774 fi
2775 LIBTARGET=i386
2776 if enabled x86_64; then
2777 LIBTARGET="i386:x86-64"
2778 elif enabled arm; then
2779 LIBTARGET=arm-wince
2780 fi
2781 shlibdir_default="$bindir_default"
2782 SLIBPREF=""
2783 SLIBSUF=".dll"
2784 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2785 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2786 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2787 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2788 SLIB_INSTALL_LINKS=
2789 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2790 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2791 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'
2792 objformat="win32"
2793 dlltool="${cross_prefix}dlltool"
2794 ranlib=:
2795 enable dos_paths
2796 add_cppflags -U__STRICT_ANSI__
2797 ;;
2798 cygwin*)
2799 target_os=cygwin
2800 shlibdir_default="$bindir_default"
2801 SLIBPREF="cyg"
2802 SLIBSUF=".dll"
2803 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2804 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2805 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2806 SLIB_INSTALL_LINKS=
2807 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2808 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2809 objformat="win32"
2810 enable dos_paths
2811 add_cppflags -U__STRICT_ANSI__
2812 ;;
2813 *-dos|freedos|opendos)
2814 network_extralibs="-lsocket"
2815 objformat="coff"
2816 enable dos_paths
2817 add_cppflags -U__STRICT_ANSI__
2818 ;;
2819 linux)
2820 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2821 enable dv1394
2822 ;;
2823 irix*)
2824 target_os=irix
2825 ranlib="echo ignoring ranlib"
2826 ;;
2827 os/2*)
2828 ln_s="cp -f"
2829 objformat="aout"
2830 add_cppflags -D_GNU_SOURCE
2831 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2832 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2833 AVSERVERLDFLAGS=""
2834 LIBSUF="_s.a"
2835 SLIBPREF=""
2836 SLIBSUF=".dll"
2837 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2838 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2839 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2840 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2841 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2842 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2843 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2844 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2845 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2846 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2847 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2848 enable dos_paths
2849 ;;
2850 gnu/kfreebsd)
2851 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2852 ;;
2853 gnu)
2854 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2855 ;;
2856 qnx)
2857 add_cppflags -D_QNX_SOURCE
2858 network_extralibs="-lsocket"
2859 ;;
2860 symbian)
2861 SLIBSUF=".dll"
2862 enable dos_paths
2863 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2864 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2865 add_ldflags -Wl,--target1-abs,--no-undefined \
2866 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2867 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2868 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2869 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2870 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2871 ;;
2872 osf1)
2873 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2874 AVSERVERLDFLAGS=
2875 ;;
2876 none)
2877 ;;
2878 *)
2879 die "Unknown OS '$target_os'."
2880 ;;
2881 esac
2882
2883 # determine libc flavour
2884
2885 if check_cpp_condition features.h "defined __UCLIBC__"; then
2886 libc_type=uclibc
2887 elif check_cpp_condition features.h "defined __GLIBC__"; then
2888 libc_type=glibc
2889 elif check_header _mingw.h; then
2890 libc_type=mingw
2891 check_cpp_condition _mingw.h \
2892 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2893 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2894 die "ERROR: MinGW runtime version must be >= 3.15."
2895 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2896 libc_type=newlib
2897 elif check_func_headers stdlib.h _get_doserrno; then
2898 libc_type=msvcrt
2899 add_cflags -Dstrtod=avpriv_strtod
2900 add_cflags -Dsnprintf=avpriv_snprintf \
2901 -D_snprintf=avpriv_snprintf \
2902 -Dvsnprintf=avpriv_vsnprintf
2903 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2904 libc_type=klibc
2905 fi
2906
2907 test -n "$libc_type" && enable $libc_type
2908
2909 esc(){
2910 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2911 }
2912
2913 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2914
2915 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2916
2917 set_default $PATHS_LIST
2918 set_default nm
2919
2920 # we need to build at least one lib type
2921 if ! enabled_any static shared; then
2922 cat <<EOF
2923 At least one library type must be built.
2924 Specify --enable-static to build the static libraries or --enable-shared to
2925 build the shared libraries as well. To only build the shared libraries specify
2926 --disable-static in addition to --enable-shared.
2927 EOF
2928 exit 1;
2929 fi
2930
2931 die_license_disabled() {
2932 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2933 }
2934
2935 die_license_disabled gpl libcdio
2936 die_license_disabled gpl libx264
2937 die_license_disabled gpl libxavs
2938 die_license_disabled gpl libxvid
2939 die_license_disabled gpl x11grab
2940
2941 die_license_disabled nonfree libfaac
2942 die_license_disabled nonfree libfdk_aac
2943 die_license_disabled nonfree openssl
2944
2945 die_license_disabled version3 libopencore_amrnb
2946 die_license_disabled version3 libopencore_amrwb
2947 die_license_disabled version3 libvo_aacenc
2948 die_license_disabled version3 libvo_amrwbenc
2949
2950 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2951
2952 disabled optimizations || check_cflags -fomit-frame-pointer
2953
2954 enable_pic() {
2955 enable pic
2956 add_cppflags -DPIC
2957 add_cflags -fPIC
2958 add_asflags -fPIC
2959 }
2960
2961 enabled pic && enable_pic
2962
2963 check_cc <<EOF || die "Symbol mangling check failed."
2964 int ff_extern;
2965 EOF
2966 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2967 extern_prefix=${sym%%ff_extern*}
2968
2969 check_cc <<EOF && enable_weak inline_asm
2970 void foo(void) { __asm__ volatile ("" ::); }
2971 EOF
2972
2973 _restrict=
2974 for restrict_keyword in restrict __restrict__ __restrict; do
2975 check_cc <<EOF && _restrict=$restrict_keyword && break
2976 void foo(char * $restrict_keyword p);
2977 EOF
2978 done
2979
2980 check_cc <<EOF && enable attribute_packed
2981 struct { int x; } __attribute__((packed)) x;
2982 EOF
2983
2984 check_cc <<EOF && enable attribute_may_alias
2985 union { int x; } __attribute__((may_alias)) x;
2986 EOF
2987
2988 check_cc <<EOF || die "endian test failed"
2989 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2990 EOF
2991 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2992
2993 if enabled alpha; then
2994
2995 check_cflags -mieee
2996
2997 elif enabled arm; then
2998
2999 enabled thumb && check_cflags -mthumb || check_cflags -marm
3000 nogas=die
3001
3002 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3003 enable vfp_args
3004 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3005 case "${cross_prefix:-$cc}" in
3006 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3007 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3008 __asm__ (".eabi_attribute 28, 1");
3009 int main(void) { return 0; }
3010 EOF
3011 esac
3012 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3013 fi
3014
3015 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3016 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
3017 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3018 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
3019 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
3020 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
3021
3022 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3023 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3024
3025 enabled_all armv6t2 shared !pic && enable_pic
3026
3027 elif enabled mips; then
3028
3029 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3030
3031 elif enabled ppc; then
3032
3033 enable local_aligned_8 local_aligned_16
3034
3035 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3036 check_inline_asm ibm_asm '"add 0, 0, 0"'
3037 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3038 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3039
3040 # AltiVec flags: The FSF version of GCC differs from the Apple version
3041 if enabled altivec; then
3042 nogas=warn
3043 check_cflags -maltivec -mabi=altivec &&
3044 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3045 check_cflags -faltivec
3046
3047 # check if our compiler supports Motorola AltiVec C API
3048 check_cc <<EOF || disable altivec
3049 $inc_altivec_h
3050 int main(void) {
3051 vector signed int v1 = (vector signed int) { 0 };
3052 vector signed int v2 = (vector signed int) { 1 };
3053 v1 = vec_add(v1, v2);
3054 return 0;
3055 }
3056 EOF
3057
3058 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3059 fi
3060
3061 elif enabled sparc; then
3062
3063 enabled vis &&
3064 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3065 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3066
3067 elif enabled x86; then
3068
3069 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3070
3071 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3072
3073 enable local_aligned_8 local_aligned_16
3074
3075 # check whether EBP is available on x86
3076 # As 'i' is stored on the stack, this program will crash
3077 # if the base pointer is used to access it because the
3078 # base pointer is cleared in the inline assembly code.
3079 check_exec_crash <<EOF && enable ebp_available
3080 volatile int i=0;
3081 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3082 return i;
3083 EOF
3084
3085 # check whether EBX is available on x86
3086 check_inline_asm ebx_available '""::"b"(0)' &&
3087 check_inline_asm ebx_available '"":::"%ebx"'
3088
3089 # check whether xmm clobbers are supported
3090 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3091
3092 # check whether binutils is new enough to compile SSSE3/MMXEXT
3093 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3094 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3095
3096 if ! disabled_any asm mmx yasm; then
3097 if check_cmd $yasmexe --version; then
3098 enabled x86_64 && yasm_extra="-m amd64"
3099 yasm_debug="-g dwarf2"
3100 elif check_cmd nasm -v; then
3101 yasmexe=nasm
3102 yasm_debug="-g -F dwarf"
3103 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3104 fi
3105
3106 YASMFLAGS="-f $objformat $yasm_extra"
3107 enabled pic && append YASMFLAGS "-DPIC"
3108 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3109 case "$objformat" in
3110 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3111 esac
3112
3113 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3114 die "yasm not found, use --disable-yasm for a crippled build"
3115 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3116 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3117 check_yasm "CPU amdnop" && enable cpunop
3118 fi
3119
3120 case "$cpu" in
3121 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3122 disable fast_clz
3123 ;;
3124 esac
3125
3126 fi
3127
3128 if enabled asm; then
3129 as=${gas:=$as}
3130 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3131 $nogas "GNU assembler not found, install gas-preprocessor"
3132 fi
3133
3134 check_ldflags -Wl,--as-needed
3135
3136 if check_func dlopen; then
3137 ldl=
3138 elif check_func dlopen -ldl; then
3139 ldl=-ldl
3140 fi
3141
3142 if enabled network; then
3143 check_type "sys/types.h sys/socket.h" socklen_t
3144 check_type netdb.h "struct addrinfo"
3145 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3146 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3147 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3148 check_type netinet/in.h "struct sockaddr_in6"
3149 check_type poll.h "struct pollfd"
3150 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3151 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3152 check_type netinet/sctp.h "struct sctp_event_subscribe"
3153 check_func getaddrinfo $network_extralibs
3154 # Prefer arpa/inet.h over winsock2
3155 if check_header arpa/inet.h ; then
3156 check_func closesocket
3157 elif check_header winsock2.h ; then
3158 check_func_headers winsock2.h closesocket -lws2 &&
3159 network_extralibs="-lws2" ||
3160 { check_func_headers winsock2.h closesocket -lws2_32 &&
3161 network_extralibs="-lws2_32"; }
3162 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3163 check_type ws2tcpip.h socklen_t
3164 check_type ws2tcpip.h "struct addrinfo"
3165 check_type ws2tcpip.h "struct group_source_req"
3166 check_type ws2tcpip.h "struct ip_mreq_source"
3167 check_type ws2tcpip.h "struct ipv6_mreq"
3168 check_type winsock2.h "struct pollfd"
3169 check_type ws2tcpip.h "struct sockaddr_in6"
3170 check_type ws2tcpip.h "struct sockaddr_storage"
3171 check_struct winsock2.h "struct sockaddr" sa_len
3172 else
3173 disable network
3174 fi
3175 fi
3176
3177 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3178 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3179
3180 check_func fcntl
3181 check_func fork
3182 check_func gethrtime
3183 check_func getopt
3184 check_func getrusage
3185 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3186 check_func gettimeofday
3187 check_func inet_aton $network_extralibs
3188 check_func isatty
3189 check_func localtime_r
3190 check_func ${malloc_prefix}memalign && enable memalign
3191 check_func mkstemp
3192 check_func mmap
3193 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3194 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3195 check_func setrlimit
3196 check_func strerror_r
3197 check_func strptime
3198 check_func strtok_r
3199 check_func sched_getaffinity
3200 check_func sysconf
3201 check_func sysctl
3202 check_func usleep
3203 check_func_headers io.h setmode
3204 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3205 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3206 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3207 check_func_headers windows.h GetProcessAffinityMask
3208 check_func_headers windows.h GetProcessTimes
3209 check_func_headers windows.h GetSystemTimeAsFileTime
3210 check_func_headers windows.h MapViewOfFile
3211 check_func_headers windows.h Sleep
3212 check_func_headers windows.h VirtualAlloc
3213
3214 check_header direct.h
3215 check_header dlfcn.h
3216 check_header dxva.h
3217 check_header dxva2api.h
3218 check_header io.h
3219 check_header malloc.h
3220 check_header poll.h
3221 check_header sys/mman.h
3222 check_header sys/param.h
3223 check_header sys/resource.h
3224 check_header sys/select.h
3225 check_header sys/time.h
3226 check_header unistd.h
3227 check_header vdpau/vdpau.h
3228 check_header vdpau/vdpau_x11.h
3229 check_header windows.h
3230 check_header X11/extensions/XvMClib.h
3231
3232 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3233 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3234
3235 if ! disabled w32threads && ! enabled pthreads; then
3236 check_func _beginthreadex && enable w32threads
3237 fi
3238
3239 # check for some common methods of building with pthread support
3240 # do this before the optional library checks as some of them require pthreads
3241 if ! disabled pthreads && ! enabled w32threads; then
3242 enable pthreads
3243 if check_func pthread_create; then
3244 :
3245 elif check_func pthread_create -pthread; then
3246 add_cflags -pthread
3247 add_extralibs -pthread
3248 elif check_func pthread_create -pthreads; then
3249 add_cflags -pthreads
3250 add_extralibs -pthreads
3251 elif check_func pthread_create -lpthreadGC2; then
3252 add_extralibs -lpthreadGC2
3253 elif ! check_lib pthread.h pthread_create -lpthread; then
3254 disable pthreads
3255 fi
3256 fi
3257
3258 for thread in $THREADS_LIST; do
3259 if enabled $thread; then
3260 test -n "$thread_type" &&
3261 die "ERROR: Only one thread type must be selected." ||
3262 thread_type="$thread"
3263 fi
3264 done
3265
3266 check_lib math.h sin -lm && LIBM="-lm"
3267 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3268
3269 check_mathfunc cbrtf
3270 check_mathfunc exp2
3271 check_mathfunc exp2f
3272 check_mathfunc isinf
3273 check_mathfunc isnan
3274 check_mathfunc llrint
3275 check_mathfunc llrintf
3276 check_mathfunc log2
3277 check_mathfunc log2f
3278 check_mathfunc lrint
3279 check_mathfunc lrintf
3280 check_mathfunc rint
3281 check_mathfunc round
3282 check_mathfunc roundf
3283 check_mathfunc trunc
3284 check_mathfunc truncf
3285
3286 # these are off by default, so fail if requested and not available
3287 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3288 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3289 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3290 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3291 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3292 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3293 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3294 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3295 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3296 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3297 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3298 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3299 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3300 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3301 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3302 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3303 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3304 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3305 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3306 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3307 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3308 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3309 enabled libvpx && {
3310 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3311 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3312 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3313 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3314 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3315 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3316 die "ERROR: libx264 version must be >= 0.118."; }
3317 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3318 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3319 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3320 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3321 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3322 die "ERROR: openssl not found"; }
3323
3324 if enabled gnutls; then
3325 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3326 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3327 fi
3328
3329 # libdc1394 check
3330 if enabled libdc1394; then
3331 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3332 enable libdc1394_2; } ||
3333 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3334 enable libdc1394_1; } ||
3335 die "ERROR: No version of libdc1394 found "
3336 fi
3337
3338 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3339 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3340 enable sdl &&
3341 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3342 fi
3343
3344 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3345
3346 check_header linux/fb.h
3347 check_header linux/videodev2.h
3348 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3349
3350 check_header sys/videoio.h
3351
3352 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3353 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3354 # w32api 3.12 had it defined wrong
3355 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3356
3357 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3358 { check_header dev/bktr/ioctl_meteor.h &&
3359 check_header dev/bktr/ioctl_bt848.h; } ||
3360 { check_header machine/ioctl_meteor.h &&
3361 check_header machine/ioctl_bt848.h; } ||
3362 { check_header dev/video/meteor/ioctl_meteor.h &&
3363 check_header dev/video/bktr/ioctl_bt848.h; } ||
3364 check_header dev/ic/bt8xx.h
3365
3366 check_header sndio.h
3367 check_header sys/soundcard.h
3368 check_header soundcard.h
3369
3370 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3371
3372 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3373 check_func jack_port_get_latency_range -ljack
3374
3375 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3376
3377 enabled libcdio &&
3378 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3379
3380 enabled x11grab &&
3381 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3382 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3383 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3384
3385 # check for VDA header
3386 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3387 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3388 fi
3389
3390 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3391 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3392 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3393 fi
3394
3395 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3396
3397 # add some useful compiler flags if supported
3398 check_cflags -Wdeclaration-after-statement
3399 check_cflags -Wall
3400 check_cflags -Wno-parentheses
3401 check_cflags -Wno-switch
3402 check_cflags -Wno-format-zero-length
3403 check_cflags -Wdisabled-optimization
3404 check_cflags -Wpointer-arith
3405 check_cflags -Wredundant-decls
3406 check_cflags -Wno-pointer-sign
3407 check_cflags -Wcast-qual
3408 check_cflags -Wwrite-strings
3409 check_cflags -Wtype-limits
3410 check_cflags -Wundef
3411 check_cflags -Wmissing-prototypes
3412 check_cflags -Wstrict-prototypes
3413 enabled extra_warnings && check_cflags -Winline
3414
3415 # add some linker flags
3416 check_ldflags -Wl,--warn-common
3417 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3418 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3419
3420 enabled xmm_clobber_test &&
3421 check_ldflags -Wl,--wrap,avcodec_open2 \
3422 -Wl,--wrap,avcodec_decode_audio4 \
3423 -Wl,--wrap,avcodec_decode_video2 \
3424 -Wl,--wrap,avcodec_decode_subtitle2 \
3425 -Wl,--wrap,avcodec_encode_audio2 \
3426 -Wl,--wrap,avcodec_encode_video \
3427 -Wl,--wrap,avcodec_encode_subtitle \
3428 -Wl,--wrap,sws_scale ||
3429 disable xmm_clobber_test
3430
3431 echo "X{};" > $TMPV
3432 if test_ldflags -Wl,--version-script,$TMPV; then
3433 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3434 check_cc <<EOF && enable symver_asm_label
3435 void ff_foo(void) __asm__ ("av_foo@VERSION");
3436 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3437 EOF
3438 check_cc <<EOF && enable symver_gnu_asm
3439 __asm__(".symver ff_foo,av_foo@VERSION");
3440 void ff_foo(void) {}
3441 EOF
3442 fi
3443
3444 if [ -z "$optflags" ]; then
3445 if enabled small; then
3446 optflags=$cflags_size
3447 elif enabled optimizations; then
3448 optflags=$cflags_speed
3449 else
3450 optflags=$cflags_noopt
3451 fi
3452 fi
3453
3454 check_optflags(){
3455 check_cflags "$@"
3456 enabled lto && check_ldflags "$@"
3457 }
3458
3459
3460 if enabled lto; then
3461 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3462 check_cflags -flto
3463 check_ldflags -flto $cpuflags
3464 fi
3465
3466 check_optflags $optflags
3467 check_optflags -fno-math-errno
3468 check_optflags -fno-signed-zeros
3469
3470 if enabled icc; then
3471 # Just warnings, no remarks
3472 check_cflags -w1
3473 # -wd: Disable following warnings
3474 # 144, 167, 556: -Wno-pointer-sign
3475 # 1292: attribute "foo" ignored
3476 # 1419: external declaration in primary source file
3477 # 10006: ignoring unknown option -fno-signed-zeros
3478 # 10148: ignoring unknown option -Wno-parentheses
3479 # 10156: ignoring option '-W'; no argument required
3480 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3481 # 11030: Warning unknown option --as-needed
3482 # 10156: ignoring option '-export'; no argument required
3483 check_ldflags -wd10156,11030
3484 # Allow to compile with optimizations
3485 check_ldflags -march=$cpu
3486 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3487 enable ebp_available
3488 if enabled x86_32; then
3489 icc_version=$($cc -dumpversion)
3490 test ${icc_version%%.*} -ge 11 &&
3491 check_cflags -falign-stack=maintain-16-byte ||
3492 disable aligned_stack
3493 fi
3494 elif enabled ccc; then
3495 # disable some annoying warnings
3496 add_cflags -msg_disable cvtu32to64
3497 add_cflags -msg_disable embedcomment
3498 add_cflags -msg_disable needconstext
3499 add_cflags -msg_disable nomainieee
3500 add_cflags -msg_disable ptrmismatch1
3501 add_cflags -msg_disable unreachcode
3502 elif enabled gcc; then
3503 check_optflags -fno-tree-vectorize
3504 check_cflags -Werror=implicit-function-declaration
3505 check_cflags -Werror=missing-prototypes
3506 check_cflags -Werror=declaration-after-statement
3507 check_cflags -Werror=vla
3508 elif enabled llvm_gcc; then
3509 check_cflags -mllvm -stack-alignment=16
3510 elif enabled clang; then
3511 check_cflags -mllvm -stack-alignment=16
3512 check_cflags -Qunused-arguments
3513 elif enabled armcc; then
3514 # 2523: use of inline assembler is deprecated
3515 add_cflags -W${armcc_opt},--diag_suppress=2523
3516 add_cflags -W${armcc_opt},--diag_suppress=1207
3517 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3518 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3519 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3520 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3521 elif enabled tms470; then
3522 add_cflags -pds=824 -pds=837
3523 elif enabled pathscale; then
3524 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3525 elif enabled msvc; then
3526 enabled x86_32 && disable aligned_stack
3527 fi
3528
3529 enabled_any $THREADS_LIST && enable threads
3530
3531 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3532
3533 check_deps $CONFIG_LIST \
3534 $CONFIG_EXTRA \
3535 $HAVE_LIST \
3536 $ALL_COMPONENTS \
3537 $ALL_TESTS \
3538
3539 ! enabled_any memalign posix_memalign aligned_malloc &&
3540 enabled_any $need_memalign && enable memalign_hack
3541
3542 echo "install prefix $prefix"
3543 echo "source path $source_path"
3544 echo "C compiler $cc"
3545 echo "ARCH $arch ($cpu)"
3546 if test "$build_suffix" != ""; then
3547 echo "build suffix $build_suffix"
3548 fi
3549 if test "$extra_version" != ""; then
3550 echo "version string suffix $extra_version"
3551 fi
3552 echo "big-endian ${bigendian-no}"
3553 echo "runtime cpu detection ${runtime_cpudetect-no}"
3554 if enabled x86; then
3555 echo "${yasmexe} ${yasm-no}"
3556 echo "MMX enabled ${mmx-no}"
3557 echo "MMXEXT enabled ${mmxext-no}"
3558 echo "3DNow! enabled ${amd3dnow-no}"
3559 echo "3DNow! extended enabled ${amd3dnowext-no}"
3560 echo "SSE enabled ${sse-no}"
3561 echo "SSSE3 enabled ${ssse3-no}"
3562 echo "AVX enabled ${avx-no}"
3563 echo "FMA4 enabled ${fma4-no}"
3564 echo "CMOV enabled ${cmov-no}"
3565 echo "CMOV is fast ${fast_cmov-no}"
3566 echo "EBX available ${ebx_available-no}"
3567 echo "EBP available ${ebp_available-no}"
3568 fi
3569 if enabled arm; then
3570 echo "ARMv5TE enabled ${armv5te-no}"
3571 echo "ARMv6 enabled ${armv6-no}"
3572 echo "ARMv6T2 enabled ${armv6t2-no}"
3573 echo "ARM VFP enabled ${armvfp-no}"
3574 echo "NEON enabled ${neon-no}"
3575 fi
3576 if enabled ppc; then
3577 echo "AltiVec enabled ${altivec-no}"
3578 echo "PPC 4xx optimizations ${ppc4xx-no}"
3579 echo "dcbzl available ${dcbzl-no}"
3580 fi
3581 if enabled sparc; then
3582 echo "VIS enabled ${vis-no}"
3583 fi
3584 echo "debug symbols ${debug-no}"
3585 echo "optimize for size ${small-no}"
3586 echo "optimizations ${optimizations-no}"
3587 echo "static ${static-no}"
3588 echo "shared ${shared-no}"
3589 echo "new filter support ${avfilter-no}"
3590 echo "network support ${network-no}"
3591 echo "threading support ${thread_type-no}"
3592 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3593 echo "SDL support ${sdl-no}"
3594 echo "libdxva2 enabled ${dxva2-no}"
3595 echo "libva enabled ${vaapi-no}"
3596 echo "libvdpau enabled ${vdpau-no}"
3597 echo "AVISynth enabled ${avisynth-no}"
3598 echo "frei0r enabled ${frei0r-no}"
3599 echo "gnutls enabled ${gnutls-no}"
3600 echo "libcdio support ${libcdio-no}"
3601 echo "libdc1394 support ${libdc1394-no}"
3602 echo "libfaac enabled ${libfaac-no}"
3603 echo "libfdk-aac enabled ${libfdk_aac-no}"
3604 echo "libgsm enabled ${libgsm-no}"
3605 echo "libilbc enabled ${libilbc-no}"
3606 echo "libmp3lame enabled ${libmp3lame-no}"
3607 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3608 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3609 echo "libopencv support ${libopencv-no}"
3610 echo "libopenjpeg enabled ${libopenjpeg-no}"
3611 echo "libopus enabled ${libopus-no}"
3612 echo "libpulse enabled ${libpulse-no}"
3613 echo "librtmp enabled ${librtmp-no}"
3614 echo "libschroedinger enabled ${libschroedinger-no}"
3615 echo "libspeex enabled ${libspeex-no}"
3616 echo "libtheora enabled ${libtheora-no}"
3617 echo "libvo-aacenc support ${libvo_aacenc-no}"
3618 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3619 echo "libvorbis enabled ${libvorbis-no}"
3620 echo "libvpx enabled ${libvpx-no}"
3621 echo "libx264 enabled ${libx264-no}"
3622 echo "libxavs enabled ${libxavs-no}"
3623 echo "libxvid enabled ${libxvid-no}"
3624 echo "openssl enabled ${openssl-no}"
3625 echo "zlib enabled ${zlib-no}"
3626 echo "bzlib enabled ${bzlib-no}"
3627 test -n "$random_seed" &&
3628 echo "random seed ${random_seed}"
3629 echo
3630
3631 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3632 echo "Enabled ${type}s:"
3633 eval list=\$$(toupper $type)_LIST
3634 print_enabled '_*' $list | sort | pr -r -3 -t
3635 echo
3636 done
3637
3638 license="LGPL version 2.1 or later"
3639 if enabled nonfree; then
3640 license="nonfree and unredistributable"
3641 elif enabled gplv3; then
3642 license="GPL version 3 or later"
3643 elif enabled lgplv3; then
3644 license="LGPL version 3 or later"
3645 elif enabled gpl; then
3646 license="GPL version 2 or later"
3647 fi
3648
3649 echo "License: $license"
3650
3651 echo "Creating config.mak and config.h..."
3652
3653 test -e Makefile || $ln_s "$source_path/Makefile" .
3654
3655 config_files="$TMPH config.mak"
3656
3657 cat > config.mak <<EOF
3658 # Automatically generated by configure - do not modify!
3659 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3660 prefix=$prefix
3661 LIBDIR=\$(DESTDIR)$libdir
3662 SHLIBDIR=\$(DESTDIR)$shlibdir
3663 INCDIR=\$(DESTDIR)$incdir
3664 BINDIR=\$(DESTDIR)$bindir
3665 DATADIR=\$(DESTDIR)$datadir
3666 MANDIR=\$(DESTDIR)$mandir
3667 SRC_PATH=$source_path
3668 CC_IDENT=$cc_ident
3669 ARCH=$arch
3670 CC=$cc
3671 AS=$as
3672 LD=$ld
3673 DEPCC=$dep_cc
3674 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3675 DEPAS=$as
3676 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3677 YASM=$yasmexe
3678 DEPYASM=$yasmexe