d8a57284c9ae3dcd634c8140c8c40e91323d2afd
[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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
89 Licensing options:
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
95
96 Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103
104 Component options:
105 --disable-doc do not build documentation
106 --disable-avconv disable avconv build
107 --disable-avplay disable avplay build
108 --disable-avprobe disable avprobe build
109 --disable-avserver disable avserver build
110 --disable-avdevice disable libavdevice build
111 --disable-avcodec disable libavcodec build
112 --disable-avformat disable libavformat build
113 --disable-swscale disable libswscale build
114 --disable-avfilter disable video filter support [no]
115 --disable-avresample disable libavresample build [no]
116 --disable-pthreads disable pthreads [auto]
117 --disable-w32threads disable Win32 threads [auto]
118 --enable-x11grab enable X11 grabbing [no]
119 --disable-network disable network support [no]
120 --disable-dct disable DCT code
121 --disable-dwt disable DWT code
122 --disable-lsp disable LSP code
123 --disable-mdct disable MDCT code
124 --disable-rdft disable RDFT code
125 --disable-fft disable FFT code
126 --enable-dxva2 enable DXVA2 code
127 --enable-vaapi enable VAAPI code
128 --enable-vda enable VDA code
129 --enable-vdpau enable VDPAU code
130
131 Individual component options:
132 --disable-everything disable all components listed below
133 --disable-encoder=NAME disable encoder NAME
134 --enable-encoder=NAME enable encoder NAME
135 --disable-encoders disable all encoders
136 --disable-decoder=NAME disable decoder NAME
137 --enable-decoder=NAME enable decoder NAME
138 --disable-decoders disable all decoders
139 --disable-hwaccel=NAME disable hwaccel NAME
140 --enable-hwaccel=NAME enable hwaccel NAME
141 --disable-hwaccels disable all hwaccels
142 --disable-muxer=NAME disable muxer NAME
143 --enable-muxer=NAME enable muxer NAME
144 --disable-muxers disable all muxers
145 --disable-demuxer=NAME disable demuxer NAME
146 --enable-demuxer=NAME enable demuxer NAME
147 --disable-demuxers disable all demuxers
148 --enable-parser=NAME enable parser NAME
149 --disable-parser=NAME disable parser NAME
150 --disable-parsers disable all parsers
151 --enable-bsf=NAME enable bitstream filter NAME
152 --disable-bsf=NAME disable bitstream filter NAME
153 --disable-bsfs disable all bitstream filters
154 --enable-protocol=NAME enable protocol NAME
155 --disable-protocol=NAME disable protocol NAME
156 --disable-protocols disable all protocols
157 --enable-indev=NAME enable input device NAME
158 --disable-indev=NAME disable input device NAME
159 --disable-indevs disable input devices
160 --enable-outdev=NAME enable output device NAME
161 --disable-outdev=NAME disable output device NAME
162 --disable-outdevs disable output devices
163 --disable-devices disable all devices
164 --enable-filter=NAME enable filter NAME
165 --disable-filter=NAME disable filter NAME
166 --disable-filters disable all filters
167
168 External library support:
169 --enable-avisynth enable reading of AVISynth script files [no]
170 --enable-bzlib enable bzlib [autodetect]
171 --enable-frei0r enable frei0r video filtering
172 --enable-gnutls enable gnutls [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libfaac enable AAC encoding via libfaac [no]
177 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM de/encoding via libgsm [no]
180 --enable-libilbc enable iLBC de/encoding via libilbc [no]
181 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
182 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
183 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
184 --enable-libopencv enable video filtering via libopencv [no]
185 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
186 --enable-libopus enable Opus decoding via libopus [no]
187 --enable-libpulse enable Pulseaudio input via libpulse [no]
188 --enable-librtmp enable RTMP[E] support via librtmp [no]
189 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
190 --enable-libspeex enable Speex de/encoding via libspeex [no]
191 --enable-libtheora enable Theora encoding via libtheora [no]
192 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
193 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
194 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
195 --enable-libvpx enable VP8 de/encoding via libvpx [no]
196 --enable-libx264 enable H.264 encoding via x264 [no]
197 --enable-libxavs enable AVS encoding via xavs [no]
198 --enable-libxvid enable Xvid encoding via xvidcore,
199 native MPEG-4/Xvid encoder exists [no]
200 --enable-openssl enable openssl [no]
201 --enable-zlib enable zlib [autodetect]
202
203 Advanced options (experts only):
204 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
205 --enable-cross-compile assume a cross-compiler is used
206 --sysroot=PATH root of cross-build tree
207 --sysinclude=PATH location of cross-build system headers
208 --target-os=OS compiler targets OS [$target_os]
209 --target-exec=CMD command to run executables on target
210 --target-path=DIR path to view of build directory on target
211 --toolchain=NAME set tool defaults according to NAME
212 --nm=NM use nm tool
213 --ar=AR use archive tool AR [$ar_default]
214 --as=AS use assembler AS [$as_default]
215 --cc=CC use C compiler CC [$cc_default]
216 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
217 --ld=LD use linker LD
218 --host-cc=HOSTCC use host C compiler HOSTCC
219 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
220 --host-ld=HOSTLD use host linker HOSTLD
221 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
222 --host-libs=HLIBS use libs HLIBS when linking for host
223 --host-os=OS compiler host OS [$target_os]
224 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
225 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
226 --extra-libs=ELIBS add ELIBS [$ELIBS]
227 --extra-version=STRING version string suffix []
228 --optflags=OPTFLAGS override optimization-related compiler flags
229 --build-suffix=SUFFIX library name suffix []
230 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
231 --arch=ARCH select architecture [$arch]
232 --cpu=CPU select the minimum required CPU (affects
233 instruction selection, may crash on older CPUs)
234 --enable-pic build position-independent code
235 --enable-sram allow use of on-chip SRAM
236 --enable-thumb compile for Thumb instruction set
237 --disable-symver disable symbol versioning
238 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
239 --disable-safe-bitstream-reader
240 disable buffer boundary checking in bitreaders
241 (faster, but may crash)
242 --enable-memalign-hack emulate memalign, interferes with memory debuggers
243 --enable-lto use link-time optimization
244
245 Optimization options (experts only):
246 --disable-asm disable all assembler optimizations
247 --disable-altivec disable AltiVec optimizations
248 --disable-amd3dnow disable 3DNow! optimizations
249 --disable-amd3dnowext disable 3DNow! extended optimizations
250 --disable-mmx disable MMX optimizations
251 --disable-mmxext disable MMXEXT optimizations
252 --disable-sse disable SSE optimizations
253 --disable-sse2 disable SSE2 optimizations
254 --disable-sse3 disable SSE3 optimizations
255 --disable-ssse3 disable SSSE3 optimizations
256 --disable-sse4 disable SSE4 optimizations
257 --disable-sse42 disable SSE4.2 optimizations
258 --disable-avx disable AVX optimizations
259 --disable-fma4 disable FMA4 optimizations
260 --disable-armv5te disable armv5te optimizations
261 --disable-armv6 disable armv6 optimizations
262 --disable-armv6t2 disable armv6t2 optimizations
263 --disable-armvfp disable ARM VFP optimizations
264 --disable-neon disable NEON optimizations
265 --disable-vis disable VIS optimizations
266 --disable-inline-asm disable use of inline assembler
267 --disable-yasm disable use of yasm assembler
268
269 Developer options (useful when working on Libav itself):
270 --disable-debug disable debugging symbols
271 --enable-debug=LEVEL set the debug level [$debuglevel]
272 --disable-optimizations disable compiler optimizations
273 --enable-extra-warnings enable more compiler warnings
274 --samples=PATH location of test samples for FATE, if not set use
275 \$LIBAV_SAMPLES at make invocation time.
276 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
277 should be used only for debugging purposes)
278 --enable-random randomly enable/disable components
279 --disable-random
280 --enable-random=LIST randomly enable/disable specific components or
281 --disable-random=LIST component groups. LIST is a comma-separated list
282 of NAME[:PROB] entries where NAME is a component
283 (group) and PROB the probability associated with
284 NAME (default 0.5).
285 --random-seed=VALUE seed value for --enable/disable-random
286
287 NOTE: Object files are built at the place where configure is launched.
288 EOF
289 exit 0
290 }
291
292 quotes='""'
293
294 log(){
295 echo "$@" >> $logfile
296 }
297
298 log_file(){
299 log BEGIN $1
300 pr -n -t $1 >> $logfile
301 log END $1
302 }
303
304 echolog(){
305 log "$@"
306 echo "$@"
307 }
308
309 warn(){
310 log "WARNING: $*"
311 WARNINGS="${WARNINGS}WARNING: $*\n"
312 }
313
314 die(){
315 echolog "$@"
316 cat <<EOF
317
318 If you think configure made a mistake, make sure you are using the latest
319 version from Git. If the latest version fails, report the problem to the
320 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
321 EOF
322 if disabled logging; then
323 cat <<EOF
324 Rerun configure with logging enabled (do not use --disable-logging), and
325 include the log this produces with your report.
326 EOF
327 else
328 cat <<EOF
329 Include the log file "$logfile" produced by configure as this will help
330 solving the problem.
331 EOF
332 fi
333 exit 1
334 }
335
336 # Avoid locale weirdness, besides we really just want to translate ASCII.
337 toupper(){
338 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
339 }
340
341 tolower(){
342 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
343 }
344
345 c_escape(){
346 echo "$*" | sed 's/["\\]/\\\0/g'
347 }
348
349 sh_quote(){
350 v=$(echo "$1" | sed "s/'/'\\\\''/g")
351 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
352 echo "$v"
353 }
354
355 cleanws(){
356 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
357 }
358
359 filter(){
360 pat=$1
361 shift
362 for v; do
363 eval "case $v in $pat) echo $v ;; esac"
364 done
365 }
366
367 filter_out(){
368 pat=$1
369 shift
370 for v; do
371 eval "case $v in $pat) ;; *) echo $v ;; esac"
372 done
373 }
374
375 map(){
376 m=$1
377 shift
378 for v; do eval $m; done
379 }
380
381 add_suffix(){
382 suffix=$1
383 shift
384 for v; do echo ${v}${suffix}; done
385 }
386
387 set_all(){
388 value=$1
389 shift
390 for var in $*; do
391 eval $var=$value
392 done
393 }
394
395 set_weak(){
396 value=$1
397 shift
398 for var; do
399 eval : \${$var:=$value}
400 done
401 }
402
403 set_safe(){
404 var=$1
405 shift
406 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
407 }
408
409 get_safe(){
410 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
411 }
412
413 pushvar(){
414 for var in $*; do
415 eval level=\${${var}_level:=0}
416 eval ${var}_${level}="\$$var"
417 eval ${var}_level=$(($level+1))
418 done
419 }
420
421 popvar(){
422 for var in $*; do
423 eval level=\${${var}_level:-0}
424 test $level = 0 && continue
425 eval level=$(($level-1))
426 eval $var="\${${var}_${level}}"
427 eval ${var}_level=$level
428 eval unset ${var}_${level}
429 done
430 }
431
432 enable(){
433 set_all yes $*
434 }
435
436 disable(){
437 set_all no $*
438 }
439
440 enable_weak(){
441 set_weak yes $*
442 }
443
444 disable_weak(){
445 set_weak no $*
446 }
447
448 enable_safe(){
449 for var; do
450 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
451 done
452 }
453
454 disable_safe(){
455 for var; do
456 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
457 done
458 }
459
460 do_enable_deep(){
461 for var; do
462 enabled $var && continue
463 eval sel="\$${var}_select"
464 eval sgs="\$${var}_suggest"
465 pushvar var sgs
466 enable_deep $sel
467 popvar sgs
468 enable_deep_weak $sgs
469 popvar var
470 done
471 }
472
473 enable_deep(){
474 do_enable_deep $*
475 enable $*
476 }
477
478 enable_deep_weak(){
479 do_enable_deep $*
480 enable_weak $*
481 }
482
483 enabled(){
484 test "${1#!}" = "$1" && op== || op=!=
485 eval test "x\$${1#!}" $op "xyes"
486 }
487
488 disabled(){
489 test "${1#!}" = "$1" && op== || op=!=
490 eval test "x\$${1#!}" $op "xno"
491 }
492
493 enabled_all(){
494 for opt; do
495 enabled $opt || return 1
496 done
497 }
498
499 disabled_all(){
500 for opt; do
501 disabled $opt || return 1
502 done
503 }
504
505 enabled_any(){
506 for opt; do
507 enabled $opt && return 0
508 done
509 }
510
511 disabled_any(){
512 for opt; do
513 disabled $opt && return 0
514 done
515 return 1
516 }
517
518 set_default(){
519 for opt; do
520 eval : \${$opt:=\$${opt}_default}
521 done
522 }
523
524 is_in(){
525 value=$1
526 shift
527 for var in $*; do
528 [ $var = $value ] && return 0
529 done
530 return 1
531 }
532
533 check_deps(){
534 for cfg; do
535 cfg="${cfg#!}"
536 enabled ${cfg}_checking && die "Circular dependency for $cfg."
537 disabled ${cfg}_checking && continue
538 enable ${cfg}_checking
539
540 eval dep_all="\$${cfg}_deps"
541 eval dep_any="\$${cfg}_deps_any"
542 eval dep_sel="\$${cfg}_select"
543 eval dep_sgs="\$${cfg}_suggest"
544 eval dep_ifa="\$${cfg}_if"
545 eval dep_ifn="\$${cfg}_if_any"
546
547 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
549 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
550
551 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
552 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
553 enabled_all $dep_all || disable $cfg
554 enabled_any $dep_any || disable $cfg
555 disabled_any $dep_sel && disable $cfg
556
557 if enabled $cfg; then
558 eval dep_extralibs="\$${cfg}_extralibs"
559 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
560 enable_deep $dep_sel
561 enable_deep_weak $dep_sgs
562 fi
563
564 disable ${cfg}_checking
565 done
566 }
567
568 print_config_h(){
569 enabled $1 && v=1 || v=0
570 echo "#define $2 $v"
571 }
572
573 print_config_mak(){
574 enabled $1 && v= || v=!
575 echo "$v$2=yes"
576 }
577
578 print_config_asm(){
579 enabled $1 && v=1 || v=0
580 echo "%define $2 $v"
581 }
582
583 print_config(){
584 pfx=$1
585 files=$2
586 shift 2
587 for cfg; do
588 ucname="$(toupper $cfg)"
589 for f in $files; do
590 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
591 done
592 done
593 }
594
595 print_enabled(){
596 test x"$1" = x-n && end=" " && shift || end="\n"
597 suf=$1
598 shift
599 for v; do
600 enabled $v && printf "%s$end" ${v%$suf};
601 done
602 }
603
604 append(){
605 var=$1
606 shift
607 eval "$var=\"\$$var $*\""
608 }
609
610 prepend(){
611 var=$1
612 shift
613 eval "$var=\"$* \$$var\""
614 }
615
616 add_cppflags(){
617 append CPPFLAGS "$@"
618 }
619
620 add_cflags(){
621 append CFLAGS $($cflags_filter "$@")
622 }
623
624 add_asflags(){
625 append ASFLAGS $($asflags_filter "$@")
626 }
627
628 add_ldflags(){
629 append LDFLAGS $($ldflags_filter "$@")
630 }
631
632 add_extralibs(){
633 prepend extralibs $($ldflags_filter "$@")
634 }
635
636 add_host_cflags(){
637 append host_cflags $($host_cflags_filter "$@")
638 }
639
640 add_host_ldflags(){
641 append host_ldflags $($host_ldflags_filter "$@")
642 }
643
644 check_cmd(){
645 log "$@"
646 "$@" >> $logfile 2>&1
647 }
648
649 cc_o(){
650 eval printf '%s\\n' $CC_O
651 }
652
653 cc_e(){
654 eval printf '%s\\n' $CC_E
655 }
656
657 check_cc(){
658 log check_cc "$@"
659 cat > $TMPC
660 log_file $TMPC
661 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
662 }
663
664 check_cpp(){
665 log check_cpp "$@"
666 cat > $TMPC
667 log_file $TMPC
668 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
669 }
670
671 as_o(){
672 eval printf '%s\\n' $AS_O
673 }
674
675 check_as(){
676 log check_as "$@"
677 cat > $TMPC
678 log_file $TMPC
679 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
680 }
681
682 check_inline_asm(){
683 log check_inline_asm "$@"
684 name="$1"
685 code="$2"
686 shift 2
687 disable $name
688 check_as "$@" <<EOF && enable $name
689 void foo(void){ __asm__ volatile($code); }
690 EOF
691 }
692
693 check_yasm(){
694 log check_yasm "$@"
695 echo "$1" > $TMPS
696 log_file $TMPS
697 shift 1
698 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
699 }
700
701 ld_o(){
702 eval printf '%s\\n' $LD_O
703 }
704
705 check_ld(){
706 log check_ld "$@"
707 flags=''
708 libs=''
709 for f; do
710 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
711 done
712 check_cc $($cflags_filter $flags) || return
713 flags=$($ldflags_filter $flags)
714 libs=$($ldflags_filter $libs)
715 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
716 }
717
718 check_code(){
719 log check_code "$@"
720 check=$1
721 headers=$2
722 code=$3
723 shift 3
724 {
725 for hdr in $headers; do
726 echo "#include <$hdr>"
727 done
728 echo "int main(void) { $code; return 0; }"
729 } | check_$check "$@"
730 }
731
732 check_cppflags(){
733 log check_cppflags "$@"
734 check_cc "$@" <<EOF && append CPPFLAGS "$@"
735 int x;
736 EOF
737 }
738
739 check_cflags(){
740 log check_cflags "$@"
741 set -- $($cflags_filter "$@")
742 check_cc "$@" <<EOF && append CFLAGS "$@"
743 int x;
744 EOF
745 }
746
747 test_ldflags(){
748 log test_ldflags "$@"
749 check_ld "$@" <<EOF
750 int main(void){ return 0; }
751 EOF
752 }
753
754 check_ldflags(){
755 log check_ldflags "$@"
756 test_ldflags "$@" && add_ldflags "$@"
757 }
758
759 check_header(){
760 log check_header "$@"
761 header=$1
762 shift
763 disable_safe $header
764 check_cpp "$@" <<EOF && enable_safe $header
765 #include <$header>
766 int x;
767 EOF
768 }
769
770 check_func(){
771 log check_func "$@"
772 func=$1
773 shift
774 disable $func
775 check_ld "$@" <<EOF && enable $func
776 extern int $func();
777 int main(void){ $func(); }
778 EOF
779 }
780
781 check_mathfunc(){
782 log check_mathfunc "$@"
783 func=$1
784 shift
785 disable $func
786 check_ld "$@" <<EOF && enable $func
787 #include <math.h>
788 float foo(float f) { return $func(f); }
789 int main(void){ return 0; }
790 EOF
791 }
792
793 check_func_headers(){
794 log check_func_headers "$@"
795 headers=$1
796 funcs=$2
797 shift 2
798 {
799 for hdr in $headers; do
800 echo "#include <$hdr>"
801 done
802 for func in $funcs; do
803 echo "long check_$func(void) { return (long) $func; }"
804 done
805 echo "int main(void) { return 0; }"
806 } | check_ld "$@" && enable $funcs && enable_safe $headers
807 }
808
809 check_cpp_condition(){
810 log check_cpp_condition "$@"
811 header=$1
812 condition=$2
813 shift 2
814 check_cpp "$@" <<EOF
815 #include <$header>
816 #if !($condition)
817 #error "unsatisfied condition: $condition"
818 #endif
819 EOF
820 }
821
822 check_lib(){
823 log check_lib "$@"
824 header="$1"
825 func="$2"
826 shift 2
827 check_header $header && check_func $func "$@" && add_extralibs "$@"
828 }
829
830 check_lib2(){
831 log check_lib2 "$@"
832 headers="$1"
833 funcs="$2"
834 shift 2
835 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
836 }
837
838 check_pkg_config(){
839 log check_pkg_config "$@"
840 pkg="$1"
841 headers="$2"
842 funcs="$3"
843 shift 3
844 $pkg_config --exists $pkg || return
845 pkg_cflags=$($pkg_config --cflags $pkg)
846 pkg_libs=$($pkg_config --libs $pkg)
847 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
848 set_safe ${pkg}_cflags $pkg_cflags &&
849 set_safe ${pkg}_libs $pkg_libs
850 }
851
852 check_exec(){
853 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
854 }
855
856 check_exec_crash(){
857 code=$(cat)
858
859 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
860 # are safe but may not be available everywhere. Thus we use
861 # raise(SIGTERM) instead. The check is run in a subshell so we
862 # can redirect the "Terminated" message from the shell. SIGBUS
863 # is not defined by standard C so it is used conditionally.
864
865 (check_exec "$@") >> $logfile 2>&1 <<EOF
866 #include <signal.h>
867 static void sighandler(int sig){
868 raise(SIGTERM);
869 }
870 int foo(void){
871 $code
872 }
873 int main(void){
874 signal(SIGILL, sighandler);
875 signal(SIGFPE, sighandler);
876 signal(SIGSEGV, sighandler);
877 #ifdef SIGBUS
878 signal(SIGBUS, sighandler);
879 #endif
880 foo();
881 }
882 EOF
883 }
884
885 check_type(){
886 log check_type "$@"
887 headers=$1
888 type=$2
889 shift 2
890 disable_safe "$type"
891 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
892 }
893
894 check_struct(){
895 log check_type "$@"
896 headers=$1
897 struct=$2
898 member=$3
899 shift 3
900 disable_safe "${struct}_${member}"
901 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
902 enable_safe "${struct}_${member}"
903 }
904
905 require(){
906 name="$1"
907 header="$2"
908 func="$3"
909 shift 3
910 check_lib $header $func "$@" || die "ERROR: $name not found"
911 }
912
913 require2(){
914 name="$1"
915 headers="$2"
916 func="$3"
917 shift 3
918 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
919 }
920
921 require_pkg_config(){
922 pkg="$1"
923 check_pkg_config "$@" || die "ERROR: $pkg not found"
924 add_cflags $(get_safe ${pkg}_cflags)
925 add_extralibs $(get_safe ${pkg}_libs)
926 }
927
928 hostcc_o(){
929 eval printf '%s\\n' $HOSTCC_O
930 }
931
932 check_host_cc(){
933 log check_host_cc "$@"
934 cat > $TMPC
935 log_file $TMPC
936 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
937 }
938
939 check_host_cflags(){
940 log check_host_cflags "$@"
941 set -- $($host_cflags_filter "$@")
942 check_host_cc "$@" <<EOF && append host_cflags "$@"
943 int x;
944 EOF
945 }
946
947 apply(){
948 file=$1
949 shift
950 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
951 }
952
953 cp_if_changed(){
954 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
955 mkdir -p "$(dirname $2)"
956 cp -f "$1" "$2"
957 }
958
959 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
960 # system-dependent things.
961
962 COMPONENT_LIST="
963 bsfs
964 decoders
965 demuxers
966 encoders
967 filters
968 hwaccels
969 indevs
970 muxers
971 outdevs
972 parsers
973 protocols
974 "
975
976 PROGRAM_LIST="
977 avconv
978 avplay
979 avprobe
980 avserver
981 "
982
983 CONFIG_LIST="
984 $COMPONENT_LIST
985 $PROGRAM_LIST
986 avcodec
987 avdevice
988 avfilter
989 avformat
990 avresample
991 avisynth
992 bzlib
993 dct
994 doc
995 dwt
996 dxva2
997 fft
998 frei0r
999 gnutls
1000 gpl
1001 gray
1002 hardcoded_tables
1003 libcdio
1004 libdc1394
1005 libfaac
1006 libfdk_aac
1007 libfreetype
1008 libgsm
1009 libilbc
1010 libmp3lame
1011 libopencore_amrnb
1012 libopencore_amrwb
1013 libopencv
1014 libopenjpeg
1015 libopus
1016 libpulse
1017 librtmp
1018 libschroedinger
1019 libspeex
1020 libtheora
1021 libvo_aacenc
1022 libvo_amrwbenc
1023 libvorbis
1024 libvpx
1025 libx264
1026 libxavs
1027 libxvid
1028 lsp
1029 mdct
1030 memalign_hack
1031 network
1032 nonfree
1033 openssl
1034 pic
1035 rdft
1036 runtime_cpudetect
1037 safe_bitstream_reader
1038 shared
1039 small
1040 sram
1041 static
1042 swscale
1043 swscale_alpha
1044 thumb
1045 vaapi
1046 vda
1047 vdpau
1048 version3
1049 xmm_clobber_test
1050 x11grab
1051 zlib
1052 "
1053
1054 THREADS_LIST='
1055 pthreads
1056 w32threads
1057 '
1058
1059 ARCH_LIST='
1060 alpha
1061 arm
1062 avr32
1063 avr32_ap
1064 avr32_uc
1065 bfin
1066 ia64
1067 m68k
1068 mips
1069 mips64
1070 parisc
1071 ppc
1072 ppc64
1073 s390
1074 sh4
1075 sparc
1076 sparc64
1077 tomi
1078 x86
1079 x86_32
1080 x86_64
1081 '
1082
1083 ARCH_EXT_LIST_X86='
1084 amd3dnow
1085 amd3dnowext
1086 avx
1087 fma4
1088 mmx
1089 mmxext
1090 sse
1091 sse2
1092 sse3
1093 sse4
1094 sse42
1095 ssse3
1096 '
1097
1098 ARCH_EXT_LIST="
1099 $ARCH_EXT_LIST_X86
1100 altivec
1101 armv5te
1102 armv6
1103 armv6t2
1104 armvfp
1105 neon
1106 ppc4xx
1107 vfpv3
1108 vis
1109 "
1110
1111 HAVE_LIST_CMDLINE='
1112 inline_asm
1113 symver
1114 yasm
1115 '
1116
1117 HAVE_LIST_PUB='
1118 bigendian
1119 fast_unaligned
1120 '
1121
1122 HAVE_LIST="
1123 $ARCH_EXT_LIST
1124 $(add_suffix _external $ARCH_EXT_LIST)
1125 $(add_suffix _inline $ARCH_EXT_LIST)
1126 $HAVE_LIST_CMDLINE
1127 $HAVE_LIST_PUB
1128 $THREADS_LIST
1129 aligned_malloc
1130 aligned_stack
1131 alsa_asoundlib_h
1132 altivec_h
1133 arpa_inet_h
1134 asm_mod_q
1135 asm_mod_y
1136 attribute_may_alias
1137 attribute_packed
1138 cbrtf
1139 closesocket
1140 cmov
1141 cpunop
1142 CryptGenRandom
1143 dcbzl
1144 dev_bktr_ioctl_bt848_h
1145 dev_bktr_ioctl_meteor_h
1146 dev_ic_bt8xx_h
1147 dev_video_bktr_ioctl_bt848_h
1148 dev_video_meteor_ioctl_meteor_h
1149 direct_h
1150 dlfcn_h
1151 dlopen
1152 dos_paths
1153 dxva_h
1154 ebp_available
1155 ebx_available
1156 exp2
1157 exp2f
1158 fast_64bit
1159 fast_clz
1160 fast_cmov
1161 fcntl
1162 fork
1163 getaddrinfo
1164 gethrtime
1165 getopt
1166 GetProcessAffinityMask
1167 GetProcessMemoryInfo
1168 GetProcessTimes
1169 GetSystemTimeAsFileTime
1170 getrusage
1171 gettimeofday
1172 gnu_as
1173 ibm_asm
1174 inet_aton
1175 io_h
1176 isatty
1177 isinf
1178 isnan
1179 jack_port_get_latency_range
1180 ldbrx
1181 libdc1394_1
1182 libdc1394_2
1183 llrint
1184 llrintf
1185 local_aligned_16
1186 local_aligned_8
1187 localtime_r
1188 log2
1189 log2f
1190 loongson
1191 lrint
1192 lrintf
1193 machine_ioctl_bt848_h
1194 machine_ioctl_meteor_h
1195 malloc_h
1196 MapViewOfFile
1197 memalign
1198 mkstemp
1199 mm_empty
1200 mmap
1201 msvcrt
1202 nanosleep
1203 poll_h
1204 posix_memalign
1205 rdtsc
1206 rint
1207 round
1208 roundf
1209 sched_getaffinity
1210 sdl
1211 sdl_video_size
1212 setmode
1213 setrlimit
1214 Sleep
1215 sndio_h
1216 socklen_t
1217 soundcard_h
1218 strerror_r
1219 strptime
1220 strtok_r
1221 struct_addrinfo
1222 struct_group_source_req
1223 struct_ip_mreq_source
1224 struct_ipv6_mreq
1225 struct_pollfd
1226 struct_rusage_ru_maxrss
1227 struct_sockaddr_in6
1228 struct_sockaddr_sa_len
1229 struct_sockaddr_storage
1230 struct_v4l2_frmivalenum_discrete
1231 symver_asm_label
1232 symver_gnu_asm
1233 sysconf
1234 sysctl
1235 sys_mman_h
1236 sys_param_h
1237 sys_resource_h
1238 sys_select_h
1239 sys_soundcard_h
1240 sys_time_h
1241 sys_videoio_h
1242 threads
1243 trunc
1244 truncf
1245 unistd_h
1246 usleep
1247 vfp_args
1248 VirtualAlloc
1249 windows_h
1250 winsock2_h
1251 xform_asm
1252 xmm_clobbers
1253 "
1254
1255 # options emitted with CONFIG_ prefix but not available on command line
1256 CONFIG_EXTRA="
1257 aandcttables
1258 ac3dsp
1259 avutil
1260 error_resilience
1261 gcrypt
1262 golomb
1263 gplv3
1264 h264chroma
1265 h264dsp
1266 h264pred
1267 h264qpel
1268 huffman
1269 lgplv3
1270 lpc
1271 mpegaudio
1272 mpegaudiodsp
1273 mpegvideo
1274 mpegvideoenc
1275 nettle
1276 rangecoder
1277 rtpdec
1278 sinewin
1279 vp3dsp
1280 "
1281
1282 CMDLINE_SELECT="
1283 $ARCH_EXT_LIST
1284 $CONFIG_LIST
1285 $HAVE_LIST_CMDLINE
1286 $THREADS_LIST
1287 asm
1288 cross_compile
1289 debug
1290 extra_warnings
1291 logging
1292 lto
1293 optimizations
1294 "
1295
1296 PATHS_LIST='
1297 bindir
1298 datadir
1299 incdir
1300 libdir
1301 mandir
1302 prefix
1303 shlibdir
1304 '
1305
1306 CMDLINE_SET="
1307 $PATHS_LIST
1308 ar
1309 arch
1310 as
1311 build_suffix
1312 cc
1313 cpu
1314 cross_prefix
1315 dep_cc
1316 extra_version
1317 host_cc
1318 host_cflags
1319 host_ld
1320 host_ldflags
1321 host_libs
1322 host_os
1323 ld
1324 logfile
1325 malloc_prefix
1326 nm
1327 optflags
1328 pkg_config
1329 random_seed
1330 samples
1331 sysinclude
1332 sysroot
1333 target_exec
1334 target_os
1335 target_path
1336 toolchain
1337 "
1338
1339 CMDLINE_APPEND="
1340 extra_cflags
1341 "
1342
1343 # code dependency declarations
1344
1345 # architecture extensions
1346
1347 armv5te_deps="arm"
1348 armv6_deps="arm"
1349 armv6t2_deps="arm"
1350 armvfp_deps="arm"
1351 neon_deps="arm"
1352 vfpv3_deps="armvfp"
1353
1354 altivec_deps="ppc"
1355 ppc4xx_deps="ppc"
1356
1357 vis_deps="sparc"
1358
1359 x86_64_suggest="cmov fast_cmov"
1360
1361 amd3dnow_deps="mmx"
1362 amd3dnowext_deps="amd3dnow"
1363 mmx_deps="x86"
1364 mmxext_deps="mmx"
1365 sse_deps="mmxext"
1366 sse2_deps="sse"
1367 sse3_deps="sse2"
1368 ssse3_deps="sse3"
1369 sse4_deps="ssse3"
1370 sse42_deps="sse4"
1371 avx_deps="sse42"
1372 fma4_deps="avx"
1373
1374 mmx_external_deps="yasm"
1375 mmx_inline_deps="inline_asm"
1376 mmx_suggest="mmx_external mmx_inline"
1377
1378 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1379 eval dep=\$${ext}_deps
1380 eval ${ext}_external_deps='"${dep}_external"'
1381 eval ${ext}_inline_deps='"${dep}_inline"'
1382 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1383 done
1384
1385 aligned_stack_if_any="ppc x86"
1386 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1387 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1388 fast_unaligned_if_any="armv6 ppc x86"
1389
1390 inline_asm_deps="!tms470"
1391 need_memalign="altivec neon sse"
1392
1393 symver_if_any="symver_asm_label symver_gnu_asm"
1394
1395 log2_deps="!msvcrt"
1396
1397 # subsystems
1398 dct_select="rdft"
1399 mdct_select="fft"
1400 rdft_select="fft"
1401 mpegaudio_select="mpegaudiodsp"
1402 mpegaudiodsp_select="dct"
1403 mpegvideoenc_select="mpegvideo"
1404
1405 # decoders / encoders / hardware accelerators
1406 aac_decoder_select="mdct sinewin"
1407 aac_encoder_select="mdct sinewin"
1408 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1409 ac3_decoder_select="mdct ac3dsp ac3_parser"
1410 ac3_encoder_select="mdct ac3dsp"
1411 ac3_fixed_encoder_select="mdct ac3dsp"
1412 alac_encoder_select="lpc"
1413 amrnb_decoder_select="lsp"
1414 amrwb_decoder_select="lsp"
1415 atrac1_decoder_select="mdct sinewin"
1416 atrac3_decoder_select="mdct"
1417 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1418 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1419 cavs_decoder_select="golomb mpegvideo"
1420 cook_decoder_select="mdct sinewin"
1421 cscd_decoder_suggest="zlib"
1422 dca_decoder_select="mdct"
1423 dnxhd_encoder_select="aandcttables mpegvideoenc"
1424 dxa_decoder_select="zlib"
1425 eac3_decoder_select="ac3_decoder"
1426 eac3_encoder_select="ac3_encoder"
1427 eamad_decoder_select="aandcttables error_resilience mpegvideo"
1428 eatgq_decoder_select="aandcttables"
1429 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1430 ffv1_decoder_select="golomb rangecoder"
1431 ffv1_encoder_select="rangecoder"
1432 ffvhuff_encoder_select="huffman"
1433 flac_decoder_select="golomb"
1434 flac_encoder_select="golomb lpc"
1435 flashsv_decoder_select="zlib"
1436 flashsv_encoder_select="zlib"
1437 flashsv2_decoder_select="zlib"
1438 flv_decoder_select="h263_decoder"
1439 flv_encoder_select="h263_encoder"
1440 fraps_decoder_select="huffman"
1441 h261_decoder_select="error_resilience mpegvideo"
1442 h261_encoder_select="aandcttables mpegvideoenc"
1443 h263_decoder_select="error_resilience h263_parser mpegvideo"
1444 h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1445 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1446 h263i_decoder_select="h263_decoder"
1447 h263p_encoder_select="h263_encoder"
1448 h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1449 h264_dxva2_hwaccel_deps="dxva2api_h"
1450 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1451 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1452 h264_vda_hwaccel_select="vda h264_decoder"
1453 h264_vdpau_decoder_select="vdpau h264_decoder"
1454 huffyuv_encoder_select="huffman"
1455 iac_decoder_select="fft mdct sinewin"
1456 imc_decoder_select="fft mdct sinewin"
1457 jpegls_decoder_select="golomb"
1458 jpegls_encoder_select="golomb"
1459 ljpeg_encoder_select="aandcttables mpegvideoenc"
1460 loco_decoder_select="golomb"
1461 mdec_decoder_select="error_resilience mpegvideo"
1462 mjpeg_encoder_select="aandcttables mpegvideoenc"
1463 mlp_decoder_select="mlp_parser"
1464 mp1_decoder_select="mpegaudio"
1465 mp1float_decoder_select="mpegaudio"
1466 mp2_decoder_select="mpegaudio"
1467 mp2float_decoder_select="mpegaudio"
1468 mp3_decoder_select="mpegaudio"
1469 mp3adu_decoder_select="mpegaudio"
1470 mp3adufloat_decoder_select="mpegaudio"
1471 mp3float_decoder_select="mpegaudio"
1472 mp3on4_decoder_select="mpegaudio"
1473 mp3on4float_decoder_select="mpegaudio"
1474 mpc7_decoder_select="mpegaudiodsp"
1475 mpc8_decoder_select="mpegaudiodsp"
1476 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1477 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1478 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1479 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1480 mpeg1video_decoder_select="error_resilience mpegvideo"
1481 mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1482 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1483 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1484 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1485 mpeg2video_decoder_select="error_resilience mpegvideo"
1486 mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1487 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1488 mpeg4_encoder_select="h263_encoder"
1489 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1490 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1491 msmpeg4v1_decoder_select="h263_decoder"
1492 msmpeg4v1_encoder_select="h263_encoder"
1493 msmpeg4v2_decoder_select="h263_decoder"
1494 msmpeg4v2_encoder_select="h263_encoder"
1495 msmpeg4v3_decoder_select="h263_decoder"
1496 msmpeg4v3_encoder_select="h263_encoder"
1497 mss2_decoder_select="vc1_decoder"
1498 nellymoser_decoder_select="mdct sinewin"
1499 nellymoser_encoder_select="mdct sinewin"
1500 png_decoder_select="zlib"
1501 png_encoder_select="zlib"
1502 qcelp_decoder_select="lsp"
1503 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1504 ra_144_encoder_select="lpc"
1505 ralf_decoder_select="golomb"
1506 rv10_decoder_select="h263_decoder"
1507 rv10_encoder_select="h263_encoder"
1508 rv20_decoder_select="h263_decoder"
1509 rv20_encoder_select="h263_encoder"
1510 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1511 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1512 shorten_decoder_select="golomb"
1513 sipr_decoder_select="lsp"
1514 snow_decoder_select="dwt rangecoder"
1515 snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1516 svq1_decoder_select="error_resilience mpegvideo"
1517 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1518 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1519 svq3_decoder_suggest="zlib"
1520 theora_decoder_select="vp3_decoder"
1521 tiff_decoder_suggest="zlib"
1522 tiff_encoder_suggest="zlib"
1523 truehd_decoder_select="mlp_decoder"
1524 tscc_decoder_select="zlib"
1525 twinvq_decoder_select="mdct lsp sinewin"
1526 utvideo_encoder_select="huffman"
1527 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1528 vc1_dxva2_hwaccel_deps="dxva2api_h"
1529 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1530 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1531 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1532 vc1image_decoder_select="vc1_decoder"
1533 vorbis_decoder_select="mdct"
1534 vorbis_encoder_select="mdct"
1535 vp3_decoder_select="vp3dsp"
1536 vp5_decoder_select="vp3dsp"
1537 vp6_decoder_select="huffman vp3dsp"
1538 vp6a_decoder_select="vp6_decoder"
1539 vp6f_decoder_select="vp6_decoder"
1540 vp8_decoder_select="h264pred h264qpel"
1541 wmapro_decoder_select="mdct sinewin"
1542 wmav1_decoder_select="mdct sinewin"
1543 wmav1_encoder_select="mdct sinewin"
1544 wmav2_decoder_select="mdct sinewin"
1545 wmav2_encoder_select="mdct sinewin"
1546 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1547 wmv1_decoder_select="h263_decoder"
1548 wmv1_encoder_select="h263_encoder"
1549 wmv2_decoder_select="h263_decoder"
1550 wmv2_encoder_select="h263_encoder"
1551 wmv3_decoder_select="vc1_decoder"
1552 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1553 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1554 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1555 wmv3image_decoder_select="wmv3_decoder"
1556 zerocodec_decoder_select="zlib"
1557 zlib_decoder_select="zlib"
1558 zlib_encoder_select="zlib"
1559 zmbv_decoder_select="zlib"
1560 zmbv_encoder_select="zlib"
1561
1562 vaapi_deps="va_va_h"
1563 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1564 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1565
1566 # parsers
1567 h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1568 mpeg4video_parser_select="error_resilience mpegvideo"
1569 mpegvideo_parser_select="error_resilience mpegvideo"
1570 vc1_parser_select="error_resilience mpegvideo"
1571
1572 # external libraries
1573 libfaac_encoder_deps="libfaac"
1574 libfdk_aac_encoder_deps="libfdk_aac"
1575 libgsm_decoder_deps="libgsm"
1576 libgsm_encoder_deps="libgsm"
1577 libgsm_ms_decoder_deps="libgsm"
1578 libgsm_ms_encoder_deps="libgsm"
1579 libilbc_decoder_deps="libilbc"
1580 libilbc_encoder_deps="libilbc"
1581 libmp3lame_encoder_deps="libmp3lame"
1582 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1583 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1584 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1585 libopenjpeg_decoder_deps="libopenjpeg"
1586 libopenjpeg_encoder_deps="libopenjpeg"
1587 libopus_decoder_deps="libopus"
1588 libopus_encoder_deps="libopus"
1589 libschroedinger_decoder_deps="libschroedinger"
1590 libschroedinger_encoder_deps="libschroedinger"
1591 libspeex_decoder_deps="libspeex"
1592 libspeex_encoder_deps="libspeex"
1593 libtheora_encoder_deps="libtheora"
1594 libvo_aacenc_encoder_deps="libvo_aacenc"
1595 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1596 libvorbis_encoder_deps="libvorbis"
1597 libvpx_decoder_deps="libvpx"
1598 libvpx_encoder_deps="libvpx"
1599 libx264_encoder_deps="libx264"
1600 libxavs_encoder_deps="libxavs"
1601 libxvid_encoder_deps="libxvid"
1602
1603 # demuxers / muxers
1604 ac3_demuxer_select="ac3_parser"
1605 asf_stream_muxer_select="asf_muxer"
1606 avisynth_demuxer_deps="avisynth"
1607 dirac_demuxer_select="dirac_parser"
1608 eac3_demuxer_select="ac3_parser"
1609 flac_demuxer_select="flac_parser"
1610 ipod_muxer_select="mov_muxer"
1611 matroska_audio_muxer_select="matroska_muxer"
1612 matroska_demuxer_suggest="zlib bzlib"
1613 mov_demuxer_suggest="zlib"
1614 mp3_demuxer_select="mpegaudio_parser"
1615 mp4_muxer_select="mov_muxer"
1616 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1617 mpegtsraw_demuxer_select="mpegts_demuxer"
1618 mxf_d10_muxer_select="mxf_muxer"
1619 ogg_demuxer_select="golomb"
1620 psp_muxer_select="mov_muxer"
1621 rtp_demuxer_select="sdp_demuxer"
1622 rtp_muxer_select="mpegvideo"
1623 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1624 rtsp_demuxer_select="http_protocol rtpdec"
1625 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1626 sap_demuxer_select="sdp_demuxer"
1627 sap_muxer_select="rtp_muxer rtp_protocol"
1628 sdp_demuxer_select="rtpdec"
1629 smoothstreaming_muxer_select="ismv_muxer"
1630 spdif_muxer_select="aac_parser"
1631 tg2_muxer_select="mov_muxer"
1632 tgp_muxer_select="mov_muxer"
1633 w64_demuxer_deps="wav_demuxer"
1634
1635 # indevs / outdevs
1636 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1637 alsa_outdev_deps="alsa_asoundlib_h"
1638 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1639 dv1394_indev_deps="dv1394 dv_demuxer"
1640 fbdev_indev_deps="linux_fb_h"
1641 jack_indev_deps="jack_jack_h"
1642 libcdio_indev_deps="libcdio"
1643 libdc1394_indev_deps="libdc1394"
1644 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1645 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1646 pulse_indev_deps="libpulse"
1647 sndio_indev_deps="sndio_h"
1648 sndio_outdev_deps="sndio_h"
1649 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1650 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1651 vfwcap_indev_extralibs="-lavicap32"
1652 x11grab_indev_deps="x11grab XShmCreateImage"
1653
1654 # protocols
1655 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1656 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1657 ffrtmpcrypt_protocol_select="tcp_protocol"
1658 ffrtmphttp_protocol_deps="!librtmp_protocol"
1659 ffrtmphttp_protocol_select="http_protocol"
1660 gopher_protocol_deps="network"
1661 httpproxy_protocol_deps="network"
1662 httpproxy_protocol_select="tcp_protocol"
1663 http_protocol_deps="network"
1664 http_protocol_select="tcp_protocol"
1665 https_protocol_select="tls_protocol"
1666 librtmp_protocol_deps="librtmp"
1667 librtmpe_protocol_deps="librtmp"
1668 librtmps_protocol_deps="librtmp"
1669 librtmpt_protocol_deps="librtmp"
1670 librtmpte_protocol_deps="librtmp"
1671 mmsh_protocol_select="http_protocol"
1672 mmst_protocol_deps="network"
1673 rtmp_protocol_deps="!librtmp_protocol"
1674 rtmp_protocol_select="tcp_protocol"
1675 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1676 rtmps_protocol_deps="!librtmp_protocol"
1677 rtmps_protocol_select="tls_protocol"
1678 rtmpt_protocol_select="ffrtmphttp_protocol"
1679 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1680 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1681 rtp_protocol_select="udp_protocol"
1682 sctp_protocol_deps="network struct_sctp_event_subscribe"
1683 tcp_protocol_deps="network"
1684 tls_protocol_deps_any="openssl gnutls"
1685 tls_protocol_select="tcp_protocol"
1686 udp_protocol_deps="network"
1687
1688 # filters
1689 blackframe_filter_deps="gpl"
1690 boxblur_filter_deps="gpl"
1691 cropdetect_filter_deps="gpl"
1692 delogo_filter_deps="gpl"
1693 drawtext_filter_deps="libfreetype"
1694 frei0r_filter_deps="frei0r dlopen strtok_r"
1695 frei0r_filter_extralibs='$ldl'
1696 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1697 frei0r_src_filter_extralibs='$ldl'
1698 hqdn3d_filter_deps="gpl"
1699 resample_filter_deps="avresample"
1700 ocv_filter_deps="libopencv"
1701 scale_filter_deps="swscale"
1702 yadif_filter_deps="gpl"
1703
1704 # libraries
1705 avdevice_deps="avcodec avformat"
1706 avformat_deps="avcodec"
1707
1708 # programs
1709 avconv_deps="avcodec avfilter avformat avresample swscale
1710 aformat_filter asyncts_filter
1711 format_filter fps_filter scale_filter setpts_filter"
1712 avplay_deps="avcodec avformat swscale sdl"
1713 avplay_select="rdft"
1714 avprobe_deps="avcodec avformat"
1715 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1716 avserver_extralibs='$ldl'
1717
1718 doc_deps="texi2html"
1719
1720 # tests
1721
1722 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1723 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1724
1725 test_deps(){
1726 suf1=$1
1727 suf2=$2
1728 shift 2
1729 for v; do
1730 dep=${v%=*}
1731 tests=${v#*=}
1732 for name in ${tests}; do
1733 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1734 done
1735 done
1736 }
1737
1738 test_deps _muxer _demuxer \
1739 aiff \
1740 pcm_alaw=alaw \
1741 asf \
1742 au \
1743 avi \
1744 dv=dv_fmt \
1745 ffm \
1746 flv=flv_fmt \
1747 gxf \
1748 matroska=mkv \
1749 mmf \
1750 mov \
1751 pcm_mulaw=mulaw \
1752 mxf="mxf mxf_d10" \
1753 nut \
1754 ogg \
1755 rawvideo=pixfmt \
1756 rm \
1757 swf \
1758 mpegts=ts \
1759 voc \
1760 wav \
1761 yuv4mpegpipe=yuv4mpeg \
1762
1763 # default parameters
1764
1765 logfile="config.log"
1766
1767 # installation paths
1768 prefix_default="/usr/local"
1769 bindir_default='${prefix}/bin'
1770 datadir_default='${prefix}/share/avconv'
1771 incdir_default='${prefix}/include'
1772 libdir_default='${prefix}/lib'
1773 mandir_default='${prefix}/share/man'
1774 shlibdir_default="$libdir_default"
1775
1776 # toolchain
1777 ar_default="ar"
1778 cc_default="gcc"
1779 host_cc_default="gcc"
1780 ln_s="ln -sf"
1781 nm_default="nm -g"
1782 objformat="elf"
1783 pkg_config_default=pkg-config
1784 ranlib="ranlib"
1785 yasmexe="yasm"
1786
1787 nogas=":"
1788
1789 # machine
1790 arch_default=$(uname -m)
1791 cpu="generic"
1792
1793 # OS
1794 target_os_default=$(tolower $(uname -s))
1795 host_os=$target_os_default
1796
1797 # configurable options
1798 enable $PROGRAM_LIST
1799
1800 enable avcodec
1801 enable avdevice
1802 enable avfilter
1803 enable avformat
1804 enable avresample
1805 enable avutil
1806 enable swscale
1807
1808 enable asm
1809 enable debug
1810 enable doc
1811 enable network
1812 enable optimizations
1813 enable safe_bitstream_reader
1814 enable static
1815 enable swscale_alpha
1816
1817 # build settings
1818 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1819 AVSERVERLDFLAGS=-Wl,-E
1820 LIBPREF="lib"
1821 LIBSUF=".a"
1822 FULLNAME='$(NAME)$(BUILDSUF)'
1823 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1824 SLIBPREF="lib"
1825 SLIBSUF=".so"
1826 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1827 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1828 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1829 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1830 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1831 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1832
1833 asflags_filter=echo
1834 cflags_filter=echo
1835 ldflags_filter=echo
1836
1837 AS_C='-c'
1838 AS_O='-o $@'
1839 CC_C='-c'
1840 CC_E='-E -o $@'
1841 CC_O='-o $@'
1842 LD_O='-o $@'
1843 LD_LIB='-l%'
1844 LD_PATH='-L'
1845 HOSTCC_C='-c'
1846 HOSTCC_O='-o $@'
1847 HOSTLD_O='-o $@'
1848
1849 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1850 host_libs='-lm'
1851 host_cflags_filter=echo
1852 host_ldflags_filter=echo
1853
1854 target_path='$(CURDIR)'
1855
1856 # since the object filename is not given with the -MM flag, the compiler
1857 # is only able to print the basename, and we must add the path ourselves
1858 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1859 DEPFLAGS='-MM'
1860
1861 # find source path
1862 if test -f configure; then
1863 source_path=.
1864 else
1865 source_path=$(cd $(dirname "$0"); pwd)
1866 echo "$source_path" | grep -q '[[:blank:]]' &&
1867 die "Out of tree builds are impossible with whitespace in source path."
1868 test -e "$source_path/config.h" &&
1869 die "Out of tree builds are impossible with config.h in source dir."
1870 fi
1871
1872 for v in "$@"; do
1873 r=${v#*=}
1874 l=${v%"$r"}
1875 r=$(sh_quote "$r")
1876 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1877 done
1878
1879 find_things(){
1880 thing=$1
1881 pattern=$2
1882 file=$source_path/$3
1883 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1884 }
1885
1886 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1887 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1888 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1889 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1890 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1891 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1892 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1893 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1894 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1895 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1896 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1897
1898 ALL_COMPONENTS="
1899 $BSF_LIST
1900 $DECODER_LIST
1901 $DEMUXER_LIST
1902 $ENCODER_LIST
1903 $FILTER_LIST
1904 $HWACCEL_LIST
1905 $INDEV_LIST
1906 $MUXER_LIST
1907 $OUTDEV_LIST
1908 $PARSER_LIST
1909 $PROTOCOL_LIST
1910 "
1911
1912 find_tests(){
1913 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1914 }
1915
1916 LAVF_TESTS=$(find_tests lavf)
1917 LAVFI_TESTS=$(find_tests lavfi)
1918 SEEK_TESTS=$(find_tests seek seek_)
1919
1920 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1921
1922 for n in $COMPONENT_LIST; do
1923 v=$(toupper ${n%s})_LIST
1924 eval enable \$$v
1925 eval ${n}_if_any="\$$v"
1926 done
1927
1928 enable $ARCH_EXT_LIST $ALL_TESTS
1929
1930 die_unknown(){
1931 echo "Unknown option \"$1\"."
1932 echo "See $0 --help for available options."
1933 exit 1
1934 }
1935
1936 show_list() {
1937 suffix=_$1
1938 shift
1939 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1940 exit 0
1941 }
1942
1943 rand_list(){
1944 IFS=', '
1945 set -- $*
1946 unset IFS
1947 for thing; do
1948 comp=${thing%:*}
1949 prob=${thing#$comp}
1950 prob=${prob#:}
1951 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1952 echo "prob ${prob:-0.5}"
1953 printf '%s\n' $comp
1954 done
1955 }
1956
1957 do_random(){
1958 action=$1
1959 shift
1960 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1961 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1962 }
1963
1964 for opt do
1965 optval="${opt#*=}"
1966 case "$opt" in
1967 --extra-ldflags=*) add_ldflags $optval
1968 ;;
1969 --extra-libs=*) add_extralibs $optval
1970 ;;
1971 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1972 ;;
1973 --enable-debug=*) debuglevel="$optval"
1974 ;;
1975 --disable-everything)
1976 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1977 ;;
1978 --enable-random|--disable-random)
1979 action=${opt%%-random}
1980 do_random ${action#--} $COMPONENT_LIST
1981 ;;
1982 --enable-random=*|--disable-random=*)
1983 action=${opt%%-random=*}
1984 do_random ${action#--} $optval
1985 ;;
1986 --enable-*=*|--disable-*=*)
1987 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1988 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1989 eval list=\$$(toupper $thing)_LIST
1990 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1991 $action $(filter "$name" $list)
1992 ;;
1993 --enable-?*|--disable-?*)
1994 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1995 if is_in $option $COMPONENT_LIST; then
1996 test $action = disable && action=unset
1997 eval $action \$$(toupper ${option%s})_LIST
1998 elif is_in $option $CMDLINE_SELECT; then
1999 $action $option
2000 else
2001 die_unknown $opt
2002 fi
2003 ;;
2004 --list-*)
2005 NAME="${opt#--list-}"
2006 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2007 NAME=${NAME%s}
2008 eval show_list $NAME \$$(toupper $NAME)_LIST
2009 ;;
2010 --help|-h) show_help
2011 ;;
2012 *)
2013 optname="${opt%%=*}"
2014 optname="${optname#--}"
2015 optname=$(echo "$optname" | sed 's/-/_/g')
2016 if is_in $optname $CMDLINE_SET; then
2017 eval $optname='$optval'
2018 elif is_in $optname $CMDLINE_APPEND; then
2019 append $optname "$optval"
2020 else
2021 die_unknown $opt
2022 fi
2023 ;;
2024 esac
2025 done
2026
2027 disabled logging && logfile=/dev/null
2028
2029 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2030 set >> $logfile
2031
2032 test -n "$cross_prefix" && enable cross_compile
2033
2034 if enabled cross_compile; then
2035 test -n "$arch" && test -n "$target_os" ||
2036 die "Must specify target arch and OS when cross-compiling"
2037 fi
2038
2039 set_default arch target_os
2040
2041 ar_default="${cross_prefix}${ar_default}"
2042 cc_default="${cross_prefix}${cc_default}"
2043 nm_default="${cross_prefix}${nm_default}"
2044 pkg_config_default="${cross_prefix}${pkg_config_default}"
2045 ranlib="${cross_prefix}${ranlib}"
2046
2047 sysinclude_default="${sysroot}/usr/include"
2048
2049 case "$toolchain" in
2050 msvc)
2051 cc_default="c99wrap cl"
2052 ld_default="c99wrap link"
2053 nm_default="dumpbin -symbols"
2054 ar_default="lib"
2055 ;;
2056 ?*)
2057 die "Unknown toolchain $toolchain"
2058 ;;
2059 esac
2060
2061 set_default cc pkg_config sysinclude
2062 enabled cross_compile || host_cc_default=$cc
2063 set_default host_cc
2064
2065 if ! $pkg_config --version >/dev/null 2>&1; then
2066 warn "$pkg_config not found, library detection may fail."
2067 pkg_config=false
2068 fi
2069
2070 exesuf() {
2071 case $1 in
2072 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2073 esac
2074 }
2075
2076 EXESUF=$(exesuf $target_os)
2077 HOSTEXESUF=$(exesuf $host_os)
2078
2079 # set temporary file name
2080 : ${TMPDIR:=$TEMPDIR}
2081 : ${TMPDIR:=$TMP}
2082 : ${TMPDIR:=/tmp}
2083
2084 if ! check_cmd mktemp -u XXXXXX; then
2085 # simple replacement for missing mktemp
2086 # NOT SAFE FOR GENERAL USE
2087 mktemp(){
2088 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2089 }
2090 fi
2091
2092 tmpfile(){
2093 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2094 (set -C; exec > $tmp) 2>/dev/null ||
2095 die "Unable to create temporary file in $TMPDIR."
2096 append TMPFILES $tmp
2097 eval $1=$tmp
2098 }
2099
2100 trap 'rm -f -- $TMPFILES' EXIT
2101
2102 tmpfile TMPASM .asm
2103 tmpfile TMPC .c
2104 tmpfile TMPE $EXESUF
2105 tmpfile TMPH .h
2106 tmpfile TMPO .o
2107 tmpfile TMPS .S
2108 tmpfile TMPSH .sh
2109 tmpfile TMPV .ver
2110
2111 unset -f mktemp
2112
2113 chmod +x $TMPE
2114
2115 # make sure we can execute files in $TMPDIR
2116 cat > $TMPSH 2>> $logfile <<EOF
2117 #! /bin/sh
2118 EOF
2119 chmod +x $TMPSH >> $logfile 2>&1
2120 if ! $TMPSH >> $logfile 2>&1; then
2121 cat <<EOF
2122 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2123 variable to another directory and make sure that it is not mounted noexec.
2124 EOF
2125 die "Sanity test failed."
2126 fi
2127
2128 msvc_flags(){
2129 for flag; do
2130 case $flag in
2131 -fomit-frame-pointer) echo -Oy ;;
2132 -g) echo -Z7 ;;
2133 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2134 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2135 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2136 -wd4996 ;;
2137 -std=c99) ;;
2138 -fno-math-errno) ;;
2139 -fno-common) ;;
2140 -fno-signed-zeros) ;;
2141 -lz) echo zlib.lib ;;
2142 -lavifil32) echo vfw32.lib ;;
2143 -lavicap32) echo vfw32.lib user32.lib ;;
2144 -l*) echo ${flag#-l}.lib ;;
2145 *) echo $flag ;;
2146 esac
2147 done
2148 }
2149
2150 pgi_flags(){
2151 for flag; do
2152 case $flag in
2153 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2154 -fomit-frame-pointer) echo -Mnoframe ;;
2155 -g) echo -gopt ;;
2156 *) echo $flag ;;
2157 esac
2158 done
2159 }
2160
2161 suncc_flags(){
2162 for flag; do
2163 case $flag in
2164 -march=*|-mcpu=*)
2165 case "${flag#*=}" in
2166 native) echo -xtarget=native ;;
2167 v9|niagara) echo -xarch=sparc ;;
2168 ultrasparc) echo -xarch=sparcvis ;;
2169 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2170 i586|pentium) echo -xchip=pentium ;;
2171 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2172 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2173 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2174 pentium4*) echo -xtarget=pentium4 ;;
2175 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2176 *-sse3) echo -xarch=sse3 ;;
2177 core2) echo -xarch=ssse3 -xchip=core2 ;;
2178 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2179 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2180 k8|opteron|athlon64|athlon-fx)
2181 echo -xarch=sse2a ;;
2182 athlon*) echo -xarch=pentium_proa ;;
2183 esac
2184 ;;
2185 -std=c99) echo -xc99 ;;
2186 -fomit-frame-pointer) echo -xregs=frameptr ;;
2187 -fPIC) echo -KPIC -xcode=pic32 ;;
2188 -W*,*) echo $flag ;;
2189 -f*-*|-W*) ;;
2190 *) echo $flag ;;
2191 esac
2192 done
2193 }
2194
2195 tms470_flags(){
2196 for flag; do
2197 case $flag in
2198 -march=*|-mcpu=*)
2199 case "${flag#*=}" in
2200 armv7-a|cortex-a*) echo -mv=7a8 ;;
2201 armv7-r|cortex-r*) echo -mv=7r4 ;;
2202 armv7-m|cortex-m*) echo -mv=7m3 ;;
2203 armv6*|arm11*) echo -mv=6 ;;
2204 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2205 echo -mv=5e ;;
2206 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2207 esac
2208 ;;
2209 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2210 -mfpu=vfp) echo --float_support=vfpv2 ;;
2211 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2212 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2213 -msoft-float) echo --float_support=vfplib ;;
2214 -O[0-3]|-mf=*) echo $flag ;;
2215 -g) echo -g -mn ;;
2216 -pds=*) echo $flag ;;
2217 -D*|-I*) echo $flag ;;
2218 --gcc|--abi=*) echo $flag ;;
2219 -me) echo $flag ;;
2220 esac
2221 done
2222 }
2223
2224 probe_cc(){
2225 pfx=$1
2226 _cc=$2
2227
2228 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2229 unset _ld_o _ldflags _ld_lib _ld_path
2230 unset _depflags _DEPCMD _DEPFLAGS
2231 _flags_filter=echo
2232
2233 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2234 _type=llvm_gcc
2235 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2236 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2237 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2238 _cflags_speed='-O3'
2239 _cflags_size='-Os'
2240 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2241 _type=gcc
2242 gcc_version=$($_cc --version | head -n1)
2243 gcc_basever=$($_cc -dumpversion)
2244 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2245 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2246 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2247 if ! $_cc -dumpversion | grep -q '^2\.'; then
2248 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2249 fi
2250 _cflags_speed='-O3'
2251 _cflags_size='-Os'
2252 elif $_cc --version 2>/dev/null | grep -q Intel; then
2253 _type=icc
2254 _ident=$($_cc --version | head -n1)
2255 _depflags='-MMD'
2256 _cflags_speed='-O3'
2257 _cflags_size='-Os'
2258 _cflags_noopt='-O1'
2259 elif $_cc -v 2>&1 | grep -q xlc; then
2260 _type=xlc
2261 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2262 _cflags_speed='-O5'
2263 _cflags_size='-O5 -qcompact'
2264 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2265 _type=ccc
2266 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2267 _DEPFLAGS='-M'
2268 debuglevel=3
2269 _ldflags='-Wl,-z,now' # calls to libots crash without this
2270 _cflags_speed='-fast'
2271 _cflags_size='-O1'
2272 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2273 test -d "$sysroot" || die "No valid sysroot specified."
2274 _type=armcc
2275 _ident=$($_cc --vsn | head -n1)
2276 armcc_conf="$PWD/armcc.conf"
2277 $_cc --arm_linux_configure \
2278 --arm_linux_config_file="$armcc_conf" \
2279 --configure_sysroot="$sysroot" \
2280 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2281 die "Error creating armcc configuration file."
2282 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2283 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2284 as_default="${cross_prefix}gcc"
2285 _depflags='-MMD'
2286 _cflags_speed='-O3'
2287 _cflags_size='-Os'
2288 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2289 _type=tms470
2290 _ident=$($_cc -version | head -n1 | tr -s ' ')
2291 _flags='--gcc --abi=eabi -me'
2292 _cc_e='-ppl -fe=$@'
2293 _cc_o='-fe=$@'
2294 _depflags='-ppa -ppd=$(@:.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=$sysinclude/gcce/gcce.h -fvisibility=default
2864 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2865 add_ldflags -Wl,--target1-abs,--no-undefined \
2866 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2867 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2868 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2869 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2870 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2871 ;;
2872 osf1)
2873 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2874 AVSERVERLDFLAGS=
2875 ;;
2876 minix)
2877 ;;
2878 none)
2879 ;;
2880 *)
2881 die "Unknown OS '$target_os'."
2882 ;;
2883 esac
2884
2885 # determine libc flavour
2886
2887 if check_cpp_condition features.h "defined __UCLIBC__"; then
2888 libc_type=uclibc
2889 elif check_cpp_condition features.h "defined __GLIBC__"; then
2890 libc_type=glibc
2891 elif check_header _mingw.h; then
2892 libc_type=mingw
2893 check_cpp_condition _mingw.h \
2894 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2895 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2896 die "ERROR: MinGW runtime version must be >= 3.15."
2897 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2898 libc_type=newlib
2899 elif check_func_headers stdlib.h _get_doserrno; then
2900 libc_type=msvcrt
2901 add_cflags -Dstrtod=avpriv_strtod
2902 add_cflags -Dsnprintf=avpriv_snprintf \
2903 -D_snprintf=avpriv_snprintf \
2904 -Dvsnprintf=avpriv_vsnprintf
2905 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2906 libc_type=klibc
2907 fi
2908
2909 test -n "$libc_type" && enable $libc_type
2910
2911 # hacks for compiler/libc/os combinations
2912
2913 if enabled_all tms470 glibc; then
2914 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
2915 add_cppflags -D__USER_LABEL_PREFIX__=
2916 add_cppflags -D__builtin_memset=memset
2917 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
2918 add_cflags -pds=48 # incompatible redefinition of macro
2919 fi
2920
2921 esc(){
2922 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2923 }
2924
2925 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2926
2927 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2928
2929 set_default $PATHS_LIST
2930 set_default nm
2931
2932 # we need to build at least one lib type
2933 if ! enabled_any static shared; then
2934 cat <<EOF
2935 At least one library type must be built.
2936 Specify --enable-static to build the static libraries or --enable-shared to
2937 build the shared libraries as well. To only build the shared libraries specify
2938 --disable-static in addition to --enable-shared.
2939 EOF
2940 exit 1;
2941 fi
2942
2943 die_license_disabled() {
2944 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2945 }
2946
2947 die_license_disabled gpl libcdio
2948 die_license_disabled gpl libx264
2949 die_license_disabled gpl libxavs
2950 die_license_disabled gpl libxvid
2951 die_license_disabled gpl x11grab
2952
2953 die_license_disabled nonfree libfaac
2954 die_license_disabled nonfree libfdk_aac
2955 die_license_disabled nonfree openssl
2956
2957 die_license_disabled version3 libopencore_amrnb
2958 die_license_disabled version3 libopencore_amrwb
2959 die_license_disabled version3 libvo_aacenc
2960 die_license_disabled version3 libvo_amrwbenc
2961
2962 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2963
2964 disabled optimizations || check_cflags -fomit-frame-pointer
2965
2966 enable_pic() {
2967 enable pic
2968 add_cppflags -DPIC
2969 add_cflags -fPIC
2970 add_asflags -fPIC
2971 }
2972
2973 enabled pic && enable_pic
2974
2975 check_cc <<EOF || die "Symbol mangling check failed."
2976 int ff_extern;
2977 EOF
2978 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2979 extern_prefix=${sym%%ff_extern*}
2980
2981 check_cc <<EOF && enable_weak inline_asm
2982 void foo(void) { __asm__ volatile ("" ::); }
2983 EOF
2984
2985 _restrict=
2986 for restrict_keyword in restrict __restrict__ __restrict; do
2987 check_cc <<EOF && _restrict=$restrict_keyword && break
2988 void foo(char * $restrict_keyword p);
2989 EOF
2990 done
2991
2992 check_cc <<EOF && enable attribute_packed
2993 struct { int x; } __attribute__((packed)) x;
2994 EOF
2995
2996 check_cc <<EOF && enable attribute_may_alias
2997 union { int x; } __attribute__((may_alias)) x;
2998 EOF
2999
3000 check_cc <<EOF || die "endian test failed"
3001 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3002 EOF
3003 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3004
3005 if enabled alpha; then
3006
3007 check_cflags -mieee
3008
3009 elif enabled arm; then
3010
3011 enabled thumb && check_cflags -mthumb || check_cflags -marm
3012 nogas=die
3013
3014 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3015 enable vfp_args
3016 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3017 case "${cross_prefix:-$cc}" in
3018 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3019 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3020 __asm__ (".eabi_attribute 28, 1");
3021 int main(void) { return 0; }
3022 EOF
3023 esac
3024 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3025 fi
3026
3027 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3028 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
3029 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3030 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
3031 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
3032 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
3033
3034 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3035 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3036
3037 enabled_all armv6t2 shared !pic && enable_pic
3038
3039 elif enabled mips; then
3040
3041 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3042
3043 elif enabled ppc; then
3044
3045 enable local_aligned_8 local_aligned_16
3046
3047 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3048 check_inline_asm ibm_asm '"add 0, 0, 0"'
3049 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3050 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3051
3052 # AltiVec flags: The FSF version of GCC differs from the Apple version
3053 if enabled altivec; then
3054 nogas=warn
3055 check_cflags -maltivec -mabi=altivec &&
3056 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3057 check_cflags -faltivec
3058
3059 # check if our compiler supports Motorola AltiVec C API
3060 check_cc <<EOF || disable altivec
3061 $inc_altivec_h
3062 int main(void) {
3063 vector signed int v1 = (vector signed int) { 0 };
3064 vector signed int v2 = (vector signed int) { 1 };
3065 v1 = vec_add(v1, v2);
3066 return 0;
3067 }
3068 EOF
3069
3070 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3071 fi
3072
3073 elif enabled sparc; then
3074
3075 enabled vis &&
3076 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3077 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3078
3079 elif enabled x86; then
3080
3081 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3082
3083 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3084
3085 enable local_aligned_8 local_aligned_16
3086
3087 # check whether EBP is available on x86
3088 # As 'i' is stored on the stack, this program will crash
3089 # if the base pointer is used to access it because the
3090 # base pointer is cleared in the inline assembly code.
3091 check_exec_crash <<EOF && enable ebp_available
3092 volatile int i=0;
3093 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3094 return i;
3095 EOF
3096
3097 # check whether EBX is available on x86
3098 check_inline_asm ebx_available '""::"b"(0)' &&
3099 check_inline_asm ebx_available '"":::"%ebx"'
3100
3101 # check whether xmm clobbers are supported
3102 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3103
3104 # check whether binutils is new enough to compile SSSE3/MMXEXT
3105 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3106 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3107
3108 if ! disabled_any asm mmx yasm; then
3109 if check_cmd $yasmexe --version; then
3110 enabled x86_64 && yasm_extra="-m amd64"
3111 yasm_debug="-g dwarf2"
3112 elif check_cmd nasm -v; then
3113 yasmexe=nasm
3114 yasm_debug="-g -F dwarf"
3115 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3116 fi
3117
3118 YASMFLAGS="-f $objformat $yasm_extra"
3119 enabled pic && append YASMFLAGS "-DPIC"
3120 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3121 case "$objformat" in
3122 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3123 esac
3124
3125 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3126 die "yasm not found, use --disable-yasm for a crippled build"
3127 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3128 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3129 check_yasm "CPU amdnop" && enable cpunop
3130 fi
3131
3132 case "$cpu" in
3133 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3134 disable fast_clz
3135 ;;
3136 esac
3137
3138 fi
3139
3140 if enabled asm; then
3141 as=${gas:=$as}
3142 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3143 $nogas "GNU assembler not found, install gas-preprocessor"
3144 fi
3145
3146 check_ldflags -Wl,--as-needed
3147
3148 if check_func dlopen; then
3149 ldl=
3150 elif check_func dlopen -ldl; then
3151 ldl=-ldl
3152 fi
3153
3154 if enabled network; then
3155 check_type "sys/types.h sys/socket.h" socklen_t
3156 check_type netdb.h "struct addrinfo"
3157 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3158 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3159 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3160 check_type netinet/in.h "struct sockaddr_in6"
3161 check_type poll.h "struct pollfd"
3162 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3163 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3164 check_type netinet/sctp.h "struct sctp_event_subscribe"
3165 check_func getaddrinfo $network_extralibs
3166 # Prefer arpa/inet.h over winsock2
3167 if check_header arpa/inet.h ; then
3168 check_func closesocket
3169 elif check_header winsock2.h ; then
3170 check_func_headers winsock2.h closesocket -lws2 &&
3171 network_extralibs="-lws2" ||
3172 { check_func_headers winsock2.h closesocket -lws2_32 &&
3173 network_extralibs="-lws2_32"; }
3174 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3175 check_type ws2tcpip.h socklen_t
3176 check_type ws2tcpip.h "struct addrinfo"
3177 check_type ws2tcpip.h "struct group_source_req"
3178 check_type ws2tcpip.h "struct ip_mreq_source"
3179 check_type ws2tcpip.h "struct ipv6_mreq"
3180 check_type winsock2.h "struct pollfd"
3181 check_type ws2tcpip.h "struct sockaddr_in6"
3182 check_type ws2tcpip.h "struct sockaddr_storage"
3183 check_struct winsock2.h "struct sockaddr" sa_len
3184 else
3185 disable network
3186 fi
3187 fi
3188
3189 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3190 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3191
3192 check_func fcntl
3193 check_func fork
3194 check_func gethrtime
3195 check_func getopt
3196 check_func getrusage
3197 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3198 check_func gettimeofday
3199 check_func inet_aton $network_extralibs
3200 check_func isatty
3201 check_func localtime_r
3202 check_func ${malloc_prefix}memalign && enable memalign
3203 check_func mkstemp
3204 check_func mmap
3205 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3206 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3207 check_func setrlimit
3208 check_func strerror_r
3209 check_func strptime
3210 check_func strtok_r
3211 check_func sched_getaffinity
3212 check_func sysconf
3213 check_func sysctl
3214 check_func usleep
3215 check_func_headers io.h setmode
3216 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3217 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3218 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3219 check_func_headers windows.h GetProcessAffinityMask
3220 check_func_headers windows.h GetProcessTimes
3221 check_func_headers windows.h GetSystemTimeAsFileTime
3222 check_func_headers windows.h MapViewOfFile
3223 check_func_headers windows.h Sleep
3224 check_func_headers windows.h VirtualAlloc
3225
3226 check_header direct.h
3227 check_header dlfcn.h
3228 check_header dxva.h
3229 check_header dxva2api.h
3230 check_header io.h
3231 check_header malloc.h
3232 check_header poll.h
3233 check_header sys/mman.h
3234 check_header sys/param.h
3235 check_header sys/resource.h
3236 check_header sys/select.h
3237 check_header sys/time.h
3238 check_header unistd.h
3239 check_header vdpau/vdpau.h
3240 check_header vdpau/vdpau_x11.h
3241 check_header windows.h
3242 check_header X11/extensions/XvMClib.h
3243
3244 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3245 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3246
3247 if ! disabled w32threads && ! enabled pthreads; then
3248 check_func _beginthreadex && enable w32threads
3249 fi
3250
3251 # check for some common methods of building with pthread support
3252 # do this before the optional library checks as some of them require pthreads
3253 if ! disabled pthreads && ! enabled w32threads; then
3254 enable pthreads
3255 if check_func pthread_create; then
3256 :
3257 elif check_func pthread_create -pthread; then
3258 add_cflags -pthread
3259 add_extralibs -pthread
3260 elif check_func pthread_create -pthreads; then
3261 add_cflags -pthreads
3262 add_extralibs -pthreads
3263 elif check_func pthread_create -lpthreadGC2; then
3264 add_extralibs -lpthreadGC2
3265 elif ! check_lib pthread.h pthread_create -lpthread; then
3266 disable pthreads
3267 fi
3268 fi
3269
3270 for thread in $THREADS_LIST; do
3271 if enabled $thread; then
3272 test -n "$thread_type" &&
3273 die "ERROR: Only one thread type must be selected." ||
3274 thread_type="$thread"
3275 fi
3276 done
3277
3278 check_lib math.h sin -lm && LIBM="-lm"
3279 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3280
3281 check_mathfunc cbrtf
3282 check_mathfunc exp2
3283 check_mathfunc exp2f
3284 check_mathfunc isinf
3285 check_mathfunc isnan
3286 check_mathfunc llrint
3287 check_mathfunc llrintf
3288 check_mathfunc log2
3289 check_mathfunc log2f
3290 check_mathfunc lrint
3291 check_mathfunc lrintf
3292 check_mathfunc rint
3293 check_mathfunc round
3294 check_mathfunc roundf
3295 check_mathfunc trunc
3296 check_mathfunc truncf
3297
3298 # these are off by default, so fail if requested and not available
3299 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3300 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3301 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3302 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3303 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3304 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3305 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3306 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3307 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3308 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3309 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3310 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3311 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3312 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3313 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3314 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3315 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3316 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3317 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3318 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3319 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3320 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3321 enabled libvpx && {
3322 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3323 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3324 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3325 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3326 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3327 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3328 die "ERROR: libx264 version must be >= 0.118."; }
3329 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3330 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3331 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3332 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3333 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3334 die "ERROR: openssl not found"; }
3335
3336 if enabled gnutls; then
3337 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3338 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3339 fi
3340
3341 # libdc1394 check
3342 if enabled libdc1394; then
3343 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3344 enable libdc1394_2; } ||
3345 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3346 enable libdc1394_1; } ||
3347 die "ERROR: No version of libdc1394 found "
3348 fi
3349
3350 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3351 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3352 enable sdl &&
3353 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3354 fi
3355
3356 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3357
3358 check_header linux/fb.h
3359 check_header linux/videodev2.h
3360 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3361
3362 check_header sys/videoio.h
3363
3364 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3365 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3366 # w32api 3.12 had it defined wrong
3367 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3368
3369 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3370 { check_header dev/bktr/ioctl_meteor.h &&
3371 check_header dev/bktr/ioctl_bt848.h; } ||
3372 { check_header machine/ioctl_meteor.h &&
3373 check_header machine/ioctl_bt848.h; } ||
3374 { check_header dev/video/meteor/ioctl_meteor.h &&
3375 check_header dev/video/bktr/ioctl_bt848.h; } ||
3376 check_header dev/ic/bt8xx.h
3377
3378 check_header sndio.h
3379 check_header sys/soundcard.h
3380 check_header soundcard.h
3381
3382 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3383
3384 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3385 check_func jack_port_get_latency_range -ljack
3386
3387 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3388
3389 enabled libcdio &&
3390 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3391
3392 enabled x11grab &&
3393 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3394 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3395 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3396
3397 # check for VDA header
3398 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3399 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3400 fi
3401
3402 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3403 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3404 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3405 fi
3406
3407 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3408
3409 # add some useful compiler flags if supported
3410 check_cflags -Wdeclaration-after-statement
3411 check_cflags -Wall
3412 check_cflags -Wno-parentheses
3413 check_cflags -Wno-switch
3414 check_cflags -Wno-format-zero-length
3415 check_cflags -Wdisabled-optimization
3416 check_cflags -Wpointer-arith
3417 check_cflags -Wredundant-decls
3418 check_cflags -Wno-pointer-sign
3419 check_cflags -Wcast-qual
3420 check_cflags -Wwrite-strings
3421 check_cflags -Wtype-limits
3422 check_cflags -Wundef
3423 check_cflags -Wmissing-prototypes
3424 check_cflags -Wstrict-prototypes
3425 enabled extra_warnings && check_cflags -Winline
3426
3427 # add some linker flags
3428 check_ldflags -Wl,--warn-common
3429 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3430 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3431
3432 enabled xmm_clobber_test &&
3433 check_ldflags -Wl,--wrap,avcodec_open2 \
3434 -Wl,--wrap,avcodec_decode_audio4 \
3435 -Wl,--wrap,avcodec_decode_video2 \
3436 -Wl,--wrap,avcodec_decode_subtitle2 \
3437 -Wl,--wrap,avcodec_encode_audio2 \
3438 -Wl,--wrap,avcodec_encode_video \
3439 -Wl,--wrap,avcodec_encode_subtitle \
3440 -Wl,--wrap,sws_scale ||
3441 disable xmm_clobber_test
3442
3443 echo "X{};" > $TMPV
3444 if test_ldflags -Wl,--version-script,$TMPV; then
3445 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3446 check_cc <<EOF && enable symver_asm_label
3447 void ff_foo(void) __asm__ ("av_foo@VERSION");
3448 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3449 EOF
3450 check_cc <<EOF && enable symver_gnu_asm
3451 __asm__(".symver ff_foo,av_foo@VERSION");
3452 void ff_foo(void) {}
3453 EOF
3454 fi
3455
3456 if [ -z "$optflags" ]; then
3457 if enabled small; then
3458 optflags=$cflags_size
3459 elif enabled optimizations; then
3460 optflags=$cflags_speed
3461 else
3462 optflags=$cflags_noopt
3463 fi
3464 fi
3465
3466 check_optflags(){
3467 check_cflags "$@"
3468 enabled lto && check_ldflags "$@"
3469 }
3470
3471
3472 if enabled lto; then
3473 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3474 check_cflags -flto
3475 check_ldflags -flto $cpuflags
3476 fi
3477
3478 check_optflags $optflags
3479 check_optflags -fno-math-errno
3480 check_optflags -fno-signed-zeros
3481
3482 if enabled icc; then
3483 # Just warnings, no remarks
3484 check_cflags -w1
3485 # -wd: Disable following warnings
3486 # 144, 167, 556: -Wno-pointer-sign
3487 # 1292: attribute "foo" ignored
3488 # 1419: external declaration in primary source file
3489 # 10006: ignoring unknown option -fno-signed-zeros
3490 # 10148: ignoring unknown option -Wno-parentheses
3491 # 10156: ignoring option '-W'; no argument required
3492 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3493 # 11030: Warning unknown option --as-needed
3494 # 10156: ignoring option '-export'; no argument required
3495 check_ldflags -wd10156,11030
3496 # Allow to compile with optimizations
3497 check_ldflags -march=$cpu
3498 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3499 enable ebp_available
3500 if enabled x86_32; then
3501 icc_version=$($cc -dumpversion)
3502 test ${icc_version%%.*} -ge 11 &&
3503 check_cflags -falign-stack=maintain-16-byte ||
3504 disable aligned_stack
3505 fi
3506 elif enabled ccc; then
3507 # disable some annoying warnings
3508 add_cflags -msg_disable cvtu32to64
3509 add_cflags -msg_disable embedcomment
3510 add_cflags -msg_disable needconstext
3511 add_cflags -msg_disable nomainieee
3512 add_cflags -msg_disable ptrmismatch1
3513 add_cflags -msg_disable unreachcode
3514 elif enabled gcc; then
3515 check_optflags -fno-tree-vectorize
3516 check_cflags -Werror=implicit-function-declaration
3517 check_cflags -Werror=missing-prototypes
3518 check_cflags -Werror=declaration-after-statement
3519 check_cflags -Werror=vla
3520 elif enabled llvm_gcc; then
3521 check_cflags -mllvm -stack-alignment=16
3522 elif enabled clang; then
3523 check_cflags -mllvm -stack-alignment=16
3524 check_cflags -Qunused-arguments
3525 elif enabled armcc; then
3526 # 2523: use of inline assembler is deprecated
3527 add_cflags -W${armcc_opt},--diag_suppress=2523
3528 add_cflags -W${armcc_opt},--diag_suppress=1207
3529 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3530 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3531 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3532 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3533 elif enabled tms470; then
3534 add_cflags -pds=824 -pds=837
3535 elif enabled pathscale; then
3536 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3537 elif enabled msvc; then
3538 enabled x86_32 && disable aligned_stack
3539 fi
3540
3541 enabled_any $THREADS_LIST && enable threads
3542
3543 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3544
3545 check_deps $CONFIG_LIST \
3546 $CONFIG_EXTRA \
3547 $HAVE_LIST \
3548 $ALL_COMPONENTS \
3549 $ALL_TESTS \
3550
3551 ! enabled_any memalign posix_memalign aligned_malloc &&
3552 enabled_any $need_memalign && enable memalign_hack
3553
3554 echo "install prefix $prefix"
3555 echo "source path $source_path"
3556 echo "C compiler $cc"
3557 echo "ARCH $arch ($cpu)"
3558 if test "$build_suffix" != ""; then
3559 echo "build suffix $build_suffix"
3560 fi
3561 if test "$extra_version" != ""; then
3562 echo "version string suffix $extra_version"
3563 fi
3564 echo "big-endian ${bigendian-no}"
3565 echo "runtime cpu detection ${runtime_cpudetect-no}"
3566 if enabled x86; then
3567 echo "${yasmexe} ${yasm-no}"
3568 echo "MMX enabled ${mmx-no}"
3569 echo "MMXEXT enabled ${mmxext-no}"
3570 echo "3DNow! enabled ${amd3dnow-no}"
3571 echo "3DNow! extended enabled ${amd3dnowext-no}"
3572 echo "SSE enabled ${sse-no}"
3573 echo "SSSE3 enabled ${ssse3-no}"
3574 echo "AVX enabled ${avx-no}"
3575 echo "FMA4 enabled ${fma4-no}"
3576 echo "CMOV enabled ${cmov-no}"
3577 echo "CMOV is fast ${fast_cmov-no}"
3578 echo "EBX available ${ebx_available-no}"
3579 echo "EBP available ${ebp_available-no}"
3580 fi
3581 if enabled arm; then
3582 echo "ARMv5TE enabled ${armv5te-no}"
3583 echo "ARMv6 enabled ${armv6-no}"
3584 echo "ARMv6T2 enabled ${armv6t2-no}"
3585 echo "ARM VFP enabled ${armvfp-no}"
3586 echo "NEON enabled ${neon-no}"
3587 fi
3588 if enabled ppc; then
3589 echo "AltiVec enabled ${altivec-no}"
3590 echo "PPC 4xx optimizations ${ppc4xx-no}"
3591 echo "dcbzl available ${dcbzl-no}"
3592 fi
3593 if enabled sparc; then
3594 echo "VIS enabled ${vis-no}"
3595 fi
3596 echo "debug symbols ${debug-no}"
3597 echo "optimize for size ${small-no}"
3598 echo "optimizations ${optimizations-no}"
3599 echo "static ${static-no}"
3600 echo "shared ${shared-no}"
3601 echo "new filter support ${avfilter-no}"
3602 echo "network support ${network-no}"
3603 echo "threading support ${thread_type-no}"
3604 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3605 echo "SDL support ${sdl-no}"
3606 echo "libdxva2 enabled ${dxva2-no}"
3607 echo "libva enabled ${vaapi-no}"
3608 echo "libvdpau enabled ${vdpau-no}"
3609 echo "AVISynth enabled ${avisynth-no}"
3610 echo "frei0r enabled ${frei0r-no}"
3611 echo "gnutls enabled ${gnutls-no}"
3612 echo "libcdio support ${libcdio-no}"
3613 echo "libdc1394 support ${libdc1394-no}"
3614 echo "libfaac enabled ${libfaac-no}"
3615 echo "libfdk-aac enabled ${libfdk_aac-no}"
3616 echo "libgsm enabled ${libgsm-no}"
3617 echo "libilbc enabled ${libilbc-no}"
3618 echo "libmp3lame enabled ${libmp3lame-no}"
3619 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3620 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3621 echo "libopencv support ${libopencv-no}"
3622 echo "libopenjpeg enabled ${libopenjpeg-no}"
3623 echo "libopus enabled ${libopus-no}"
3624 echo "libpulse enabled ${libpulse-no}"
3625 echo "librtmp enabled ${librtmp-no}"
3626 echo "libschroedinger enabled ${libschroedinger-no}"
3627 echo "libspeex enabled ${libspeex-no}"
3628 echo "libtheora enabled ${libtheora-no}"
3629 echo "libvo-aacenc support ${libvo_aacenc-no}"
3630 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3631 echo "libvorbis enabled ${libvorbis-no}"
3632 echo "libvpx enabled ${libvpx-no}"
3633 echo "libx264 enabled ${libx264-no}"
3634 echo "libxavs enabled ${libxavs-no}"
3635 echo "libxvid enabled ${libxvid-no}"
3636 echo "openssl enabled ${openssl-no}"
3637 echo "zlib enabled ${zlib-no}"
3638 echo "bzlib enabled ${bzlib-no}"
3639 test -n "$random_seed" &&
3640 echo "random seed ${random_seed}"
3641 echo
3642
3643 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3644 echo "Enabled ${type}s:"
3645 eval list=\$$(toupper $type)_LIST
3646 print_enabled '_*' $list | sort | pr -r -3 -t
3647 echo
3648 done
3649
3650 license="LGPL version 2.1 or later"
3651 if enabled nonfree; then
3652 license="nonfree and unredistributable"
3653 elif enabled gplv3; then
3654 license="GPL version 3 or later"
3655 elif enabled lgplv3; then
3656 license="LGPL version 3 or later"
3657 elif enabled gpl; then
3658 license="GPL version 2 or later"
3659 fi
3660
3661 echo "License: $license"
3662
3663 echo "Creating config.mak and config.h..."
3664
3665 test -e Makefile || $ln_s "$source_path/Makefile" .
3666
3667 config_files="$TMPH config.mak"
3668
3669 cat > config.mak <<EOF
3670 # Automatically generated by configure - do not modify!
3671 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3672 prefix=$prefix
3673 LIBDIR=\$(DESTDIR)$libdir
3674 SHLIBDIR=\$(DESTDIR)$shlibdir
3675 INCDIR=\$(DESTDIR)$incdir
3676 BINDIR=\$(DESTDIR)$bindir
3677 DATADIR=\$(DESTDIR)$datadir
3678 MANDIR=\$(DESTDIR)$mandir
3679 SRC_PATH=$source_path
3680 CC_IDENT=$cc_ident
3681 ARCH=$arch