22becbff01ed0f36ac8cbd0d60b4c040b6bff42b
[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 -msoft-float) echo --float_support=vfplib ;;
2213 -O[0-3]|-mf=*) echo $flag ;;
2214 -g) echo -g -mn ;;
2215 -pds=*) echo $flag ;;
2216 -D*|-I*) echo $flag ;;
2217 --gcc|--abi=*) echo $flag ;;
2218 -me) echo $flag ;;
2219 esac
2220 done
2221 }
2222
2223 probe_cc(){
2224 pfx=$1
2225 _cc=$2
2226
2227 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2228 unset _ld_o _ldflags _ld_lib _ld_path
2229 unset _depflags _DEPCMD _DEPFLAGS
2230 _flags_filter=echo
2231
2232 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2233 _type=llvm_gcc
2234 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2235 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2236 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2237 _cflags_speed='-O3'
2238 _cflags_size='-Os'
2239 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2240 _type=gcc
2241 gcc_version=$($_cc --version | head -n1)
2242 gcc_basever=$($_cc -dumpversion)
2243 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2244 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2245 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2246 if ! $_cc -dumpversion | grep -q '^2\.'; then
2247 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2248 fi
2249 _cflags_speed='-O3'
2250 _cflags_size='-Os'
2251 elif $_cc --version 2>/dev/null | grep -q Intel; then
2252 _type=icc
2253 _ident=$($_cc --version | head -n1)
2254 _depflags='-MMD'
2255 _cflags_speed='-O3'
2256 _cflags_size='-Os'
2257 _cflags_noopt='-O1'
2258 elif $_cc -v 2>&1 | grep -q xlc; then
2259 _type=xlc
2260 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2261 _cflags_speed='-O5'
2262 _cflags_size='-O5 -qcompact'
2263 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2264 _type=ccc
2265 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2266 _DEPFLAGS='-M'
2267 debuglevel=3
2268 _ldflags='-Wl,-z,now' # calls to libots crash without this
2269 _cflags_speed='-fast'
2270 _cflags_size='-O1'
2271 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2272 test -d "$sysroot" || die "No valid sysroot specified."
2273 _type=armcc
2274 _ident=$($_cc --vsn | head -n1)
2275 armcc_conf="$PWD/armcc.conf"
2276 $_cc --arm_linux_configure \
2277 --arm_linux_config_file="$armcc_conf" \
2278 --configure_sysroot="$sysroot" \
2279 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2280 die "Error creating armcc configuration file."
2281 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2282 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2283 as_default="${cross_prefix}gcc"
2284 _depflags='-MMD'
2285 _cflags_speed='-O3'
2286 _cflags_size='-Os'
2287 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2288 _type=tms470
2289 _ident=$($_cc -version | head -n1 | tr -s ' ')
2290 _flags='--gcc --abi=eabi -me'
2291 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2292 _cc_e='-ppl -fe=$@'
2293 _cc_o='-fe=$@'
2294 as_default="${cross_prefix}gcc"
2295 ld_default="${cross_prefix}gcc"
2296 _depflags='-ppa -ppd=$(@:.o=.d)'
2297 _cflags_speed='-O3 -mf=5'
2298 _cflags_size='-O3 -mf=2'
2299 _flags_filter=tms470_flags
2300 elif $_cc -v 2>&1 | grep -q clang; then
2301 _type=clang
2302 _ident=$($_cc --version | head -n1)
2303 _depflags='-MMD'
2304 _cflags_speed='-O3'
2305 _cflags_size='-Os'
2306 elif $_cc -V 2>&1 | grep -q Sun; then
2307 _type=suncc
2308 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2309 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2310 _DEPFLAGS='-xM1 -xc99'
2311 _ldflags='-std=c99'
2312 _cflags_speed='-O5'
2313 _cflags_size='-O5 -xspace'
2314 _flags_filter=suncc_flags
2315 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2316 _type=pathscale
2317 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2318 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2319 _cflags_speed='-O2'
2320 _cflags_size='-Os'
2321 _flags_filter='filter_out -Wdisabled-optimization'
2322 elif $_cc -v 2>&1 | grep -q Open64; then
2323 _type=open64
2324 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2325 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2326 _cflags_speed='-O2'
2327 _cflags_size='-Os'
2328 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2329 elif $_cc -V 2>&1 | grep -q Portland; then
2330 _type=pgi
2331 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2332 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2333 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2334 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2335 _cflags_noopt="-O1"
2336 _flags_filter=pgi_flags
2337 elif $_cc 2>&1 | grep -q Microsoft; then
2338 _type=msvc
2339 _ident=$($cc 2>&1 | head -n1)
2340 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2341 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2342 _cflags_speed="-O2"
2343 _cflags_size="-O1"
2344 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2345 if $_cc 2>&1 | grep -q Linker; then
2346 _ld_o='-out $@'
2347 else
2348 _ld_o='-Fe$@'
2349 fi
2350 _cc_o='-Fo $@'
2351 _cc_e='-P -Fi $@'
2352 _flags_filter=msvc_flags
2353 _ld_lib='lib%.a'
2354 _ld_path='-libpath:'
2355 _flags='-nologo'
2356 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2357 if [ $pfx = hostcc ]; then
2358 append _cflags -Dsnprintf=_snprintf
2359 fi
2360 fi
2361
2362 eval ${pfx}_type=\$_type
2363 eval ${pfx}_ident=\$_ident
2364 }
2365
2366 set_ccvars(){
2367 eval ${1}_C=\${_cc_c-\${${1}_C}}
2368 eval ${1}_E=\${_cc_e-\${${1}_E}}
2369 eval ${1}_O=\${_cc_o-\${${1}_O}}
2370
2371 if [ -n "$_depflags" ]; then
2372 eval ${1}_DEPFLAGS=\$_depflags
2373 else
2374 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2375 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2376 eval DEP${1}FLAGS=\$_flags
2377 fi
2378 }
2379
2380 probe_cc cc "$cc"
2381 cflags_filter=$_flags_filter
2382 cflags_speed=$_cflags_speed
2383 cflags_size=$_cflags_size
2384 cflags_noopt=$_cflags_noopt
2385 add_cflags $_flags $_cflags
2386 cc_ldflags=$_ldflags
2387 set_ccvars CC
2388
2389 probe_cc hostcc "$host_cc"
2390 host_cflags_filter=$_flags_filter
2391 add_host_cflags $_flags $_cflags
2392 set_ccvars HOSTCC
2393
2394 test -n "$cc_type" && enable $cc_type ||
2395 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2396
2397 : ${as_default:=$cc}
2398 : ${dep_cc_default:=$cc}
2399 : ${ld_default:=$cc}
2400 : ${host_ld_default:=$host_cc}
2401 set_default ar as dep_cc ld host_ld
2402
2403 probe_cc as "$as"
2404 asflags_filter=$_flags_filter
2405 add_asflags $_flags $_cflags
2406 set_ccvars AS
2407
2408 probe_cc ld "$ld"
2409 ldflags_filter=$_flags_filter
2410 add_ldflags $_flags $_ldflags
2411 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2412 LD_O=${_ld_o-$LD_O}
2413 LD_LIB=${_ld_lib-$LD_LIB}
2414 LD_PATH=${_ld_path-$LD_PATH}
2415
2416 probe_cc hostld "$host_ld"
2417 host_ldflags_filter=$_flags_filter
2418 add_host_ldflags $_flags $_ldflags
2419 HOSTLD_O=${_ld_o-$HOSTLD_O}
2420
2421 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2422 probe_cc depcc "$dep_cc"
2423 CCDEP=${_DEPCMD:-$DEPCMD}
2424 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2425 DEPCCFLAGS=$_flags
2426 fi
2427
2428 if $ar 2>&1 | grep -q Microsoft; then
2429 arflags="-nologo"
2430 ar_o='-out:$@'
2431 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2432 arflags="rq"
2433 ar_o='$@'
2434 else
2435 arflags="rc"
2436 ar_o='$@'
2437 fi
2438
2439 add_cflags $extra_cflags
2440 add_asflags $extra_cflags
2441
2442 if test -n "$sysroot"; then
2443 case "$cc_type" in
2444 gcc|llvm_gcc|clang)
2445 add_cppflags --sysroot="$sysroot"
2446 add_ldflags --sysroot="$sysroot"
2447 ;;
2448 tms470)
2449 add_cppflags -I"$sysinclude"
2450 add_ldflags --sysroot="$sysroot"
2451 ;;
2452 esac
2453 fi
2454
2455 if test "$cpu" = host; then
2456 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2457
2458 case "$cc_type" in
2459 gcc|llvm_gcc)
2460 check_native(){
2461 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2462 sed -n "/cc1.*$1=/{
2463 s/.*$1=\\([^ ]*\\).*/\\1/
2464 p
2465 q
2466 }" $TMPE
2467 }
2468 cpu=$(check_native -march || check_native -mcpu)
2469 ;;
2470 esac
2471
2472 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2473 fi
2474
2475 # Deal with common $arch aliases
2476 case "$arch" in
2477 arm*)
2478 arch="arm"
2479 ;;
2480 mips|mipsel|IP*)
2481 arch="mips"
2482 ;;
2483 mips64*)
2484 arch="mips"
2485 subarch="mips64"
2486 ;;
2487 parisc|hppa)
2488 arch="parisc"
2489 ;;
2490 parisc64|hppa64)
2491 arch="parisc"
2492 subarch="parisc64"
2493 ;;
2494 "Power Macintosh"|ppc|powerpc)
2495 arch="ppc"
2496 ;;
2497 ppc64|powerpc64)
2498 arch="ppc"
2499 subarch="ppc64"
2500 ;;
2501 s390|s390x)
2502 arch="s390"
2503 ;;
2504 sh4|sh)
2505 arch="sh4"
2506 ;;
2507 sun4u|sparc64)
2508 arch="sparc"
2509 subarch="sparc64"
2510 ;;
2511 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2512 arch="x86"
2513 ;;
2514 esac
2515
2516 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2517 enable $arch
2518
2519 # Add processor-specific flags
2520 if test "$cpu" = generic; then
2521 : do nothing
2522 elif enabled ppc; then
2523
2524 case $(tolower $cpu) in
2525 601|ppc601|powerpc601)
2526 cpuflags="-mcpu=601"
2527 disable altivec
2528 ;;
2529 603*|ppc603*|powerpc603*)
2530 cpuflags="-mcpu=603"
2531 disable altivec
2532 ;;
2533 604*|ppc604*|powerpc604*)
2534 cpuflags="-mcpu=604"
2535 disable altivec
2536 ;;
2537 g3|75*|ppc75*|powerpc75*)
2538 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2539 disable altivec
2540 ;;
2541 g4|745*|ppc745*|powerpc745*)
2542 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2543 ;;
2544 74*|ppc74*|powerpc74*)
2545 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2546 ;;
2547 g5|970|ppc970|powerpc970)
2548 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2549 ;;
2550 power[3-7]*)
2551 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2552 ;;
2553 cell)
2554 cpuflags="-mcpu=cell"
2555 enable ldbrx
2556 ;;
2557 e500mc)
2558 cpuflags="-mcpu=e500mc"
2559 disable altivec
2560 ;;
2561 e500v2)
2562 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2563 disable altivec
2564 ;;
2565 e500)
2566 cpuflags="-mcpu=8540 -mhard-float"
2567 disable altivec
2568 ;;
2569 esac
2570
2571 elif enabled x86; then
2572
2573 case $cpu in
2574 i[345]86|pentium)
2575 cpuflags="-march=$cpu"
2576 disable mmx
2577 ;;
2578 # targets that do NOT support conditional mov (cmov)
2579 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2580 cpuflags="-march=$cpu"
2581 disable cmov
2582 ;;
2583 # targets that do support conditional mov (cmov)
2584 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2585 cpuflags="-march=$cpu"
2586 enable cmov
2587 enable fast_cmov
2588 ;;
2589 # targets that do support conditional mov but on which it's slow
2590 pentium4|pentium4m|prescott|nocona)
2591 cpuflags="-march=$cpu"
2592 enable cmov
2593 disable fast_cmov
2594 ;;
2595 esac
2596
2597 elif enabled sparc; then
2598
2599 case $cpu in
2600 niagara)
2601 cpuflags="-mcpu=$cpu"
2602 disable vis
2603 ;;
2604 sparc64)
2605 cpuflags="-mcpu=v9"
2606 ;;
2607 esac
2608
2609 elif enabled arm; then
2610
2611 case $cpu in
2612 armv*)
2613 cpuflags="-march=$cpu"
2614 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2615 ;;
2616 *)
2617 cpuflags="-mcpu=$cpu"
2618 case $cpu in
2619 cortex-a*) subarch=armv7a ;;
2620 cortex-r*) subarch=armv7r ;;
2621 cortex-m*) enable thumb; subarch=armv7m ;;
2622 arm11*) subarch=armv6 ;;
2623 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2624 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2625 esac
2626 ;;
2627 esac
2628
2629 elif enabled alpha; then
2630
2631 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2632
2633 elif enabled bfin; then
2634
2635 cpuflags="-mcpu=$cpu"
2636
2637 elif enabled mips; then
2638
2639 cpuflags="-march=$cpu"
2640
2641 elif enabled avr32; then
2642
2643 case $cpu in
2644 ap7[02]0[0-2])
2645 subarch="avr32_ap"
2646 cpuflags="-mpart=$cpu"
2647 ;;
2648 ap)
2649 subarch="avr32_ap"
2650 cpuflags="-march=$cpu"
2651 ;;
2652 uc3[ab]*)
2653 subarch="avr32_uc"
2654 cpuflags="-mcpu=$cpu"
2655 ;;
2656 uc)
2657 subarch="avr32_uc"
2658 cpuflags="-march=$cpu"
2659 ;;
2660 esac
2661
2662 fi
2663
2664 add_cflags $cpuflags
2665 add_asflags $cpuflags
2666
2667 # compiler sanity check
2668 check_exec <<EOF
2669 int main(void){ return 0; }
2670 EOF
2671 if test "$?" != 0; then
2672 echo "$cc is unable to create an executable file."
2673 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2674 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2675 echo "Only do this if you know what cross compiling means."
2676 fi
2677 die "C compiler test failed."
2678 fi
2679
2680 add_cppflags -D_ISOC99_SOURCE
2681 check_cflags -std=c99
2682 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2683 #include <stdlib.h>
2684 EOF
2685 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2686 #include <stdlib.h>
2687 EOF
2688
2689 check_host_cflags -std=c99
2690 check_host_cflags -Wall
2691
2692 case "$arch" in
2693 alpha|ia64|mips|parisc|sparc)
2694 spic=$shared
2695 ;;
2696 x86)
2697 subarch="x86_32"
2698 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2699 if test "$subarch" = "x86_64"; then
2700 spic=$shared
2701 fi
2702 ;;
2703 esac
2704
2705 enable $subarch
2706 enabled spic && enable pic
2707
2708 # OS specific
2709 case $target_os in
2710 haiku)
2711 prefix_default="/boot/common"
2712 network_extralibs="-lnetwork"
2713 host_libs=
2714 ;;
2715 sunos)
2716 AVSERVERLDFLAGS=""
2717 SHFLAGS='-shared -Wl,-h,$$(@F)'
2718 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2719 network_extralibs="-lsocket -lnsl"
2720 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2721 # When using suncc to build, the Solaris linker will mark
2722 # an executable with each instruction set encountered by
2723 # the Solaris assembler. As our libraries contain their own
2724 # guards for processor-specific code, instead suppress
2725 # generation of the HWCAPS ELF section on Solaris x86 only.
2726 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2727 nm_default='nm -P -g'
2728 ;;
2729 netbsd)
2730 disable symver
2731 oss_indev_extralibs="-lossaudio"
2732 oss_outdev_extralibs="-lossaudio"
2733 ;;
2734 openbsd|bitrig)
2735 # On OpenBSD 4.5. the compiler does not use PIC unless
2736 # explicitly using -fPIC. Libav builds fine without PIC,
2737 # however the generated executable will not do anything
2738 # (simply quits with exit-code 1, no crash, no output).
2739 # Thus explicitly enable PIC here.
2740 enable pic
2741 disable symver
2742 SHFLAGS='-shared'
2743 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2744 SLIB_INSTALL_LINKS=
2745 oss_indev_extralibs="-lossaudio"
2746 oss_outdev_extralibs="-lossaudio"
2747 ;;
2748 dragonfly)
2749 disable symver
2750 ;;
2751 freebsd)
2752 ;;
2753 bsd/os)
2754 add_extralibs -lpoll -lgnugetopt
2755 ;;
2756 darwin)
2757 gas="gas-preprocessor.pl $cc"
2758 enabled ppc && add_asflags -force_cpusubtype_ALL
2759 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2760 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2761 add_ldflags -Wl,-dynamic,-search_paths_first
2762 SLIBSUF=".dylib"
2763 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2764 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2765 AVSERVERLDFLAGS=-Wl,-bind_at_load
2766 objformat="macho"
2767 enabled x86_64 && objformat="macho64"
2768 enabled_any pic shared ||
2769 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2770 ;;
2771 mingw32*)
2772 if test $target_os = "mingw32ce"; then
2773 disable network
2774 else
2775 target_os=mingw32
2776 fi
2777 LIBTARGET=i386
2778 if enabled x86_64; then
2779 LIBTARGET="i386:x86-64"
2780 elif enabled arm; then
2781 LIBTARGET=arm-wince
2782 fi
2783 shlibdir_default="$bindir_default"
2784 SLIBPREF=""
2785 SLIBSUF=".dll"
2786 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2787 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2788 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2789 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2790 SLIB_INSTALL_LINKS=
2791 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2792 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2793 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'
2794 objformat="win32"
2795 dlltool="${cross_prefix}dlltool"
2796 ranlib=:
2797 enable dos_paths
2798 add_cppflags -U__STRICT_ANSI__
2799 ;;
2800 cygwin*)
2801 target_os=cygwin
2802 shlibdir_default="$bindir_default"
2803 SLIBPREF="cyg"
2804 SLIBSUF=".dll"
2805 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2806 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2807 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2808 SLIB_INSTALL_LINKS=
2809 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2810 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2811 objformat="win32"
2812 enable dos_paths
2813 add_cppflags -U__STRICT_ANSI__
2814 ;;
2815 *-dos|freedos|opendos)
2816 network_extralibs="-lsocket"
2817 objformat="coff"
2818 enable dos_paths
2819 add_cppflags -U__STRICT_ANSI__
2820 ;;
2821 linux)
2822 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2823 enable dv1394
2824 ;;
2825 irix*)
2826 target_os=irix
2827 ranlib="echo ignoring ranlib"
2828 ;;
2829 os/2*)
2830 ln_s="cp -f"
2831 objformat="aout"
2832 add_cppflags -D_GNU_SOURCE
2833 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2834 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2835 AVSERVERLDFLAGS=""
2836 LIBSUF="_s.a"
2837 SLIBPREF=""
2838 SLIBSUF=".dll"
2839 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2840 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2841 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2842 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2843 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2844 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2845 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2846 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2847 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2848 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2849 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2850 enable dos_paths
2851 ;;
2852 gnu/kfreebsd)
2853 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2854 ;;
2855 gnu)
2856 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2857 ;;
2858 qnx)
2859 add_cppflags -D_QNX_SOURCE
2860 network_extralibs="-lsocket"
2861 ;;
2862 symbian)
2863 SLIBSUF=".dll"
2864 enable dos_paths
2865 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2866 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2867 add_ldflags -Wl,--target1-abs,--no-undefined \
2868 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2869 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2870 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2871 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2872 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2873 ;;
2874 osf1)
2875 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2876 AVSERVERLDFLAGS=
2877 ;;
2878 none)
2879 ;;
2880 *)
2881 die "Unknown OS '$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 $libc_type
2910
2911 esc(){
2912 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2913 }
2914
2915 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2916
2917 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2918
2919 set_default $PATHS_LIST
2920 set_default nm
2921
2922 # we need to build at least one lib type
2923 if ! enabled_any static shared; then
2924 cat <<EOF
2925 At least one library type must be built.
2926 Specify --enable-static to build the static libraries or --enable-shared to
2927 build the shared libraries as well. To only build the shared libraries specify
2928 --disable-static in addition to --enable-shared.
2929 EOF
2930 exit 1;
2931 fi
2932
2933 die_license_disabled() {
2934 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2935 }
2936
2937 die_license_disabled gpl libcdio
2938 die_license_disabled gpl libx264
2939 die_license_disabled gpl libxavs
2940 die_license_disabled gpl libxvid
2941 die_license_disabled gpl x11grab
2942
2943 die_license_disabled nonfree libfaac
2944 die_license_disabled nonfree libfdk_aac
2945 die_license_disabled nonfree openssl
2946
2947 die_license_disabled version3 libopencore_amrnb
2948 die_license_disabled version3 libopencore_amrwb
2949 die_license_disabled version3 libvo_aacenc
2950 die_license_disabled version3 libvo_amrwbenc
2951
2952 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2953
2954 disabled optimizations || check_cflags -fomit-frame-pointer
2955
2956 enable_pic() {
2957 enable pic
2958 add_cppflags -DPIC
2959 add_cflags -fPIC
2960 add_asflags -fPIC
2961 }
2962
2963 enabled pic && enable_pic
2964
2965 check_cc <<EOF || die "Symbol mangling check failed."
2966 int ff_extern;
2967 EOF
2968 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2969 extern_prefix=${sym%%ff_extern*}
2970
2971 check_cc <<EOF && enable_weak inline_asm
2972 void foo(void) { __asm__ volatile ("" ::); }
2973 EOF
2974
2975 _restrict=
2976 for restrict_keyword in restrict __restrict__ __restrict; do
2977 check_cc <<EOF && _restrict=$restrict_keyword && break
2978 void foo(char * $restrict_keyword p);
2979 EOF
2980 done
2981
2982 check_cc <<EOF && enable attribute_packed
2983 struct { int x; } __attribute__((packed)) x;
2984 EOF
2985
2986 check_cc <<EOF && enable attribute_may_alias
2987 union { int x; } __attribute__((may_alias)) x;
2988 EOF
2989
2990 check_cc <<EOF || die "endian test failed"
2991 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2992 EOF
2993 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2994
2995 if enabled alpha; then
2996
2997 check_cflags -mieee
2998
2999 elif enabled arm; then
3000
3001 enabled thumb && check_cflags -mthumb || check_cflags -marm
3002 nogas=die
3003
3004 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3005 enable vfp_args
3006 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3007 case "${cross_prefix:-$cc}" in
3008 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3009 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3010 __asm__ (".eabi_attribute 28, 1");
3011 int main(void) { return 0; }
3012 EOF
3013 esac
3014 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3015 fi
3016
3017 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3018 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
3019 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3020 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
3021 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
3022 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
3023
3024 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3025 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3026
3027 enabled_all armv6t2 shared !pic && enable_pic
3028
3029 elif enabled mips; then
3030
3031 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3032
3033 elif enabled ppc; then
3034
3035 enable local_aligned_8 local_aligned_16
3036
3037 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3038 check_inline_asm ibm_asm '"add 0, 0, 0"'
3039 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3040 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3041
3042 # AltiVec flags: The FSF version of GCC differs from the Apple version
3043 if enabled altivec; then
3044 nogas=warn
3045 check_cflags -maltivec -mabi=altivec &&
3046 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3047 check_cflags -faltivec
3048
3049 # check if our compiler supports Motorola AltiVec C API
3050 check_cc <<EOF || disable altivec
3051 $inc_altivec_h
3052 int main(void) {
3053 vector signed int v1 = (vector signed int) { 0 };
3054 vector signed int v2 = (vector signed int) { 1 };
3055 v1 = vec_add(v1, v2);
3056 return 0;
3057 }
3058 EOF
3059
3060 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3061 fi
3062
3063 elif enabled sparc; then
3064
3065 enabled vis &&
3066 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3067 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3068
3069 elif enabled x86; then
3070
3071 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3072
3073 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3074
3075 enable local_aligned_8 local_aligned_16
3076
3077 # check whether EBP is available on x86
3078 # As 'i' is stored on the stack, this program will crash
3079 # if the base pointer is used to access it because the
3080 # base pointer is cleared in the inline assembly code.
3081 check_exec_crash <<EOF && enable ebp_available
3082 volatile int i=0;
3083 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3084 return i;
3085 EOF
3086
3087 # check whether EBX is available on x86
3088 check_inline_asm ebx_available '""::"b"(0)' &&
3089 check_inline_asm ebx_available '"":::"%ebx"'
3090
3091 # check whether xmm clobbers are supported
3092 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3093
3094 # check whether binutils is new enough to compile SSSE3/MMXEXT
3095 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3096 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3097
3098 if ! disabled_any asm mmx yasm; then
3099 if check_cmd $yasmexe --version; then
3100 enabled x86_64 && yasm_extra="-m amd64"
3101 yasm_debug="-g dwarf2"
3102 elif check_cmd nasm -v; then
3103 yasmexe=nasm
3104 yasm_debug="-g -F dwarf"
3105 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3106 fi
3107
3108 YASMFLAGS="-f $objformat $yasm_extra"
3109 enabled pic && append YASMFLAGS "-DPIC"
3110 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3111 case "$objformat" in
3112 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3113 esac
3114
3115 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3116 die "yasm not found, use --disable-yasm for a crippled build"
3117 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3118 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3119 check_yasm "CPU amdnop" && enable cpunop
3120 fi
3121
3122 case "$cpu" in
3123 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3124 disable fast_clz
3125 ;;
3126 esac
3127
3128 fi
3129
3130 if enabled asm; then
3131 as=${gas:=$as}
3132 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3133 $nogas "GNU assembler not found, install gas-preprocessor"
3134 fi
3135
3136 check_ldflags -Wl,--as-needed
3137
3138 if check_func dlopen; then
3139 ldl=
3140 elif check_func dlopen -ldl; then
3141 ldl=-ldl
3142 fi
3143
3144 if enabled network; then
3145 check_type "sys/types.h sys/socket.h" socklen_t
3146 check_type netdb.h "struct addrinfo"
3147 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3148 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3149 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3150 check_type netinet/in.h "struct sockaddr_in6"
3151 check_type poll.h "struct pollfd"
3152 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3153 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3154 check_type netinet/sctp.h "struct sctp_event_subscribe"
3155 check_func getaddrinfo $network_extralibs
3156 # Prefer arpa/inet.h over winsock2
3157 if check_header arpa/inet.h ; then
3158 check_func closesocket
3159 elif check_header winsock2.h ; then
3160 check_func_headers winsock2.h closesocket -lws2 &&
3161 network_extralibs="-lws2" ||
3162 { check_func_headers winsock2.h closesocket -lws2_32 &&
3163 network_extralibs="-lws2_32"; }
3164 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3165 check_type ws2tcpip.h socklen_t
3166 check_type ws2tcpip.h "struct addrinfo"
3167 check_type ws2tcpip.h "struct group_source_req"
3168 check_type ws2tcpip.h "struct ip_mreq_source"
3169 check_type ws2tcpip.h "struct ipv6_mreq"
3170 check_type winsock2.h "struct pollfd"
3171 check_type ws2tcpip.h "struct sockaddr_in6"
3172 check_type ws2tcpip.h "struct sockaddr_storage"
3173 check_struct winsock2.h "struct sockaddr" sa_len
3174 else
3175 disable network
3176 fi
3177 fi
3178
3179 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3180 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3181
3182 check_func fcntl
3183 check_func fork
3184 check_func gethrtime
3185 check_func getopt
3186 check_func getrusage
3187 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3188 check_func gettimeofday
3189 check_func inet_aton $network_extralibs
3190 check_func isatty
3191 check_func localtime_r
3192 check_func ${malloc_prefix}memalign && enable memalign
3193 check_func mkstemp
3194 check_func mmap
3195 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3196 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3197 check_func setrlimit
3198 check_func strerror_r
3199 check_func strptime
3200 check_func strtok_r
3201 check_func sched_getaffinity
3202 check_func sysconf
3203 check_func sysctl
3204 check_func usleep
3205 check_func_headers io.h setmode
3206 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3207 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3208 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3209 check_func_headers windows.h GetProcessAffinityMask
3210 check_func_headers windows.h GetProcessTimes
3211 check_func_headers windows.h GetSystemTimeAsFileTime
3212 check_func_headers windows.h MapViewOfFile
3213 check_func_headers windows.h Sleep
3214 check_func_headers windows.h VirtualAlloc
3215
3216 check_header direct.h
3217 check_header dlfcn.h
3218 check_header dxva.h
3219 check_header dxva2api.h
3220 check_header io.h
3221 check_header malloc.h
3222 check_header poll.h
3223 check_header sys/mman.h
3224 check_header sys/param.h
3225 check_header sys/resource.h
3226 check_header sys/select.h
3227 check_header sys/time.h
3228 check_header unistd.h
3229 check_header vdpau/vdpau.h
3230 check_header vdpau/vdpau_x11.h
3231 check_header windows.h
3232 check_header X11/extensions/XvMClib.h
3233
3234 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3235 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3236
3237 if ! disabled w32threads && ! enabled pthreads; then
3238 check_func _beginthreadex && enable w32threads
3239 fi
3240
3241 # check for some common methods of building with pthread support
3242 # do this before the optional library checks as some of them require pthreads
3243 if ! disabled pthreads && ! enabled w32threads; then
3244 enable pthreads
3245 if check_func pthread_create; then
3246 :
3247 elif check_func pthread_create -pthread; then
3248 add_cflags -pthread
3249 add_extralibs -pthread
3250 elif check_func pthread_create -pthreads; then
3251 add_cflags -pthreads
3252 add_extralibs -pthreads
3253 elif check_func pthread_create -lpthreadGC2; then
3254 add_extralibs -lpthreadGC2
3255 elif ! check_lib pthread.h pthread_create -lpthread; then
3256 disable pthreads
3257 fi
3258 fi
3259
3260 for thread in $THREADS_LIST; do
3261 if enabled $thread; then
3262 test -n "$thread_type" &&
3263 die "ERROR: Only one thread type must be selected." ||
3264 thread_type="$thread"
3265 fi
3266 done
3267
3268 check_lib math.h sin -lm && LIBM="-lm"
3269 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3270
3271 check_mathfunc cbrtf
3272 check_mathfunc exp2
3273 check_mathfunc exp2f
3274 check_mathfunc isinf
3275 check_mathfunc isnan
3276 check_mathfunc llrint
3277 check_mathfunc llrintf
3278 check_mathfunc log2
3279 check_mathfunc log2f
3280 check_mathfunc lrint
3281 check_mathfunc lrintf
3282 check_mathfunc rint
3283 check_mathfunc round
3284 check_mathfunc roundf
3285 check_mathfunc trunc
3286 check_mathfunc truncf
3287
3288 # these are off by default, so fail if requested and not available
3289 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3290 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3291 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3292 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3293 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3294 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3295 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3296 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3297 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3298 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3299 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3300 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3301 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3302 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3303 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3304 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3305 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3306 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3307 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3308 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3309 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3310 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3311 enabled libvpx && {
3312 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3313 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3314 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3315 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3316 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3317 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3318 die "ERROR: libx264 version must be >= 0.118."; }
3319 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3320 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3321 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3322 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3323 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3324 die "ERROR: openssl not found"; }
3325
3326 if enabled gnutls; then
3327 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3328 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3329 fi
3330
3331 # libdc1394 check
3332 if enabled libdc1394; then
3333 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3334 enable libdc1394_2; } ||
3335 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3336 enable libdc1394_1; } ||
3337 die "ERROR: No version of libdc1394 found "
3338 fi
3339
3340 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3341 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3342 enable sdl &&
3343 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3344 fi
3345
3346 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3347
3348 check_header linux/fb.h
3349 check_header linux/videodev2.h
3350 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3351
3352 check_header sys/videoio.h
3353
3354 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3355 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3356 # w32api 3.12 had it defined wrong
3357 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3358
3359 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3360 { check_header dev/bktr/ioctl_meteor.h &&
3361 check_header dev/bktr/ioctl_bt848.h; } ||
3362 { check_header machine/ioctl_meteor.h &&
3363 check_header machine/ioctl_bt848.h; } ||
3364 { check_header dev/video/meteor/ioctl_meteor.h &&
3365 check_header dev/video/bktr/ioctl_bt848.h; } ||
3366 check_header dev/ic/bt8xx.h
3367
3368 check_header sndio.h
3369 check_header sys/soundcard.h
3370 check_header soundcard.h
3371
3372 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3373
3374 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3375 check_func jack_port_get_latency_range -ljack
3376
3377 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3378
3379 enabled libcdio &&
3380 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3381
3382 enabled x11grab &&
3383 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3384 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3385 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3386
3387 # check for VDA header
3388 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3389 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3390 fi
3391
3392 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3393 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3394 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3395 fi
3396
3397 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3398
3399 # add some useful compiler flags if supported
3400 check_cflags -Wdeclaration-after-statement
3401 check_cflags -Wall
3402 check_cflags -Wno-parentheses
3403 check_cflags -Wno-switch
3404 check_cflags -Wno-format-zero-length
3405 check_cflags -Wdisabled-optimization
3406 check_cflags -Wpointer-arith
3407 check_cflags -Wredundant-decls
3408 check_cflags -Wno-pointer-sign
3409 check_cflags -Wcast-qual
3410 check_cflags -Wwrite-strings
3411 check_cflags -Wtype-limits
3412 check_cflags -Wundef
3413 check_cflags -Wmissing-prototypes
3414 check_cflags -Wstrict-prototypes
3415 enabled extra_warnings && check_cflags -Winline
3416
3417 # add some linker flags
3418 check_ldflags -Wl,--warn-common
3419 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3420 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3421
3422 enabled xmm_clobber_test &&
3423 check_ldflags -Wl,--wrap,avcodec_open2 \
3424 -Wl,--wrap,avcodec_decode_audio4 \
3425 -Wl,--wrap,avcodec_decode_video2 \
3426 -Wl,--wrap,avcodec_decode_subtitle2 \
3427 -Wl,--wrap,avcodec_encode_audio2 \
3428 -Wl,--wrap,avcodec_encode_video \
3429 -Wl,--wrap,avcodec_encode_subtitle \
3430 -Wl,--wrap,sws_scale ||
3431 disable xmm_clobber_test
3432
3433 echo "X{};" > $TMPV
3434 if test_ldflags -Wl,--version-script,$TMPV; then
3435 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3436 check_cc <<EOF && enable symver_asm_label
3437 void ff_foo(void) __asm__ ("av_foo@VERSION");
3438 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3439 EOF
3440 check_cc <<EOF && enable symver_gnu_asm
3441 __asm__(".symver ff_foo,av_foo@VERSION");
3442 void ff_foo(void) {}
3443 EOF
3444 fi
3445
3446 if [ -z "$optflags" ]; then
3447 if enabled small; then
3448 optflags=$cflags_size
3449 elif enabled optimizations; then
3450 optflags=$cflags_speed
3451 else
3452 optflags=$cflags_noopt
3453 fi
3454 fi
3455
3456 check_optflags(){
3457 check_cflags "$@"
3458 enabled lto && check_ldflags "$@"
3459 }
3460
3461
3462 if enabled lto; then
3463 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3464 check_cflags -flto
3465 check_ldflags -flto $cpuflags
3466 fi
3467
3468 check_optflags $optflags
3469 check_optflags -fno-math-errno
3470 check_optflags -fno-signed-zeros
3471
3472 if enabled icc; then
3473 # Just warnings, no remarks
3474 check_cflags -w1
3475 # -wd: Disable following warnings
3476 # 144, 167, 556: -Wno-pointer-sign
3477 # 1292: attribute "foo" ignored
3478 # 1419: external declaration in primary source file
3479 # 10006: ignoring unknown option -fno-signed-zeros
3480 # 10148: ignoring unknown option -Wno-parentheses
3481 # 10156: ignoring option '-W'; no argument required
3482 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3483 # 11030: Warning unknown option --as-needed
3484 # 10156: ignoring option '-export'; no argument required
3485 check_ldflags -wd10156,11030
3486 # Allow to compile with optimizations
3487 check_ldflags -march=$cpu
3488 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3489 enable ebp_available
3490 if enabled x86_32; then
3491 icc_version=$($cc -dumpversion)
3492 test ${icc_version%%.*} -ge 11 &&
3493 check_cflags -falign-stack=maintain-16-byte ||
3494 disable aligned_stack
3495 fi
3496 elif enabled ccc; then
3497 # disable some annoying warnings
3498 add_cflags -msg_disable cvtu32to64
3499 add_cflags -msg_disable embedcomment
3500 add_cflags -msg_disable needconstext
3501 add_cflags -msg_disable nomainieee
3502 add_cflags -msg_disable ptrmismatch1
3503 add_cflags -msg_disable unreachcode
3504 elif enabled gcc; then
3505 check_optflags -fno-tree-vectorize
3506 check_cflags -Werror=implicit-function-declaration
3507 check_cflags -Werror=missing-prototypes
3508 check_cflags -Werror=declaration-after-statement
3509 check_cflags -Werror=vla
3510 elif enabled llvm_gcc; then
3511 check_cflags -mllvm -stack-alignment=16
3512 elif enabled clang; then
3513 check_cflags -mllvm -stack-alignment=16
3514 check_cflags -Qunused-arguments
3515 elif enabled armcc; then
3516 # 2523: use of inline assembler is deprecated
3517 add_cflags -W${armcc_opt},--diag_suppress=2523
3518 add_cflags -W${armcc_opt},--diag_suppress=1207
3519 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3520 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3521 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3522 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3523 elif enabled tms470; then
3524 add_cflags -pds=824 -pds=837
3525 elif enabled pathscale; then
3526 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3527 elif enabled msvc; then
3528 enabled x86_32 && disable aligned_stack
3529 fi
3530
3531 enabled_any $THREADS_LIST && enable threads
3532
3533 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3534
3535 check_deps $CONFIG_LIST \
3536 $CONFIG_EXTRA \
3537 $HAVE_LIST \
3538 $ALL_COMPONENTS \
3539 $ALL_TESTS \
3540
3541 ! enabled_any memalign posix_memalign aligned_malloc &&
3542 enabled_any $need_memalign && enable memalign_hack
3543
3544 echo "install prefix $prefix"
3545 echo "source path $source_path"
3546 echo "C compiler $cc"
3547 echo "ARCH $arch ($cpu)"
3548 if test "$build_suffix" != ""; then
3549 echo "build suffix $build_suffix"
3550 fi
3551 if test "$extra_version" != ""; then
3552 echo "version string suffix $extra_version"
3553 fi
3554 echo "big-endian ${bigendian-no}"
3555 echo "runtime cpu detection ${runtime_cpudetect-no}"
3556 if enabled x86; then
3557 echo "${yasmexe} ${yasm-no}"
3558 echo "MMX enabled ${mmx-no}"
3559 echo "MMXEXT enabled ${mmxext-no}"
3560 echo "3DNow! enabled ${amd3dnow-no}"
3561 echo "3DNow! extended enabled ${amd3dnowext-no}"
3562 echo "SSE enabled ${sse-no}"
3563 echo "SSSE3 enabled ${ssse3-no}"
3564 echo "AVX enabled ${avx-no}"
3565 echo "FMA4 enabled ${fma4-no}"
3566 echo "CMOV enabled ${cmov-no}"
3567 echo "CMOV is fast ${fast_cmov-no}"
3568 echo "EBX available ${ebx_available-no}"
3569 echo "EBP available ${ebp_available-no}"
3570 fi
3571 if enabled arm; then
3572 echo "ARMv5TE enabled ${armv5te-no}"
3573 echo "ARMv6 enabled ${armv6-no}"
3574 echo "ARMv6T2 enabled ${armv6t2-no}"
3575 echo "ARM VFP enabled ${armvfp-no}"
3576 echo "NEON enabled ${neon-no}"
3577 fi
3578 if enabled ppc; then
3579 echo "AltiVec enabled ${altivec-no}"
3580 echo "PPC 4xx optimizations ${ppc4xx-no}"
3581 echo "dcbzl available ${dcbzl-no}"
3582 fi
3583 if enabled sparc; then
3584 echo "VIS enabled ${vis-no}"
3585 fi
3586 echo "debug symbols ${debug-no}"
3587 echo "optimize for size ${small-no}"
3588 echo "optimizations ${optimizations-no}"
3589 echo "static ${static-no}"
3590 echo "shared ${shared-no}"
3591 echo "new filter support ${avfilter-no}"
3592 echo "network support ${network-no}"
3593 echo "threading support ${thread_type-no}"
3594 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3595 echo "SDL support ${sdl-no}"
3596 echo "libdxva2 enabled ${dxva2-no}"
3597 echo "libva enabled ${vaapi-no}"
3598 echo "libvdpau enabled ${vdpau-no}"
3599 echo "AVISynth enabled ${avisynth-no}"
3600 echo "frei0r enabled ${frei0r-no}"
3601 echo "gnutls enabled ${gnutls-no}"
3602 echo "libcdio support ${libcdio-no}"
3603 echo "libdc1394 support ${libdc1394-no}"
3604 echo "libfaac enabled ${libfaac-no}"
3605 echo "libfdk-aac enabled ${libfdk_aac-no}"
3606 echo "libgsm enabled ${libgsm-no}"
3607 echo "libilbc enabled ${libilbc-no}"
3608 echo "libmp3lame enabled ${libmp3lame-no}"
3609 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3610 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3611 echo "libopencv support ${libopencv-no}"
3612 echo "libopenjpeg enabled ${libopenjpeg-no}"
3613 echo "libopus enabled ${libopus-no}"
3614 echo "libpulse enabled ${libpulse-no}"
3615 echo "librtmp enabled ${librtmp-no}"
3616 echo "libschroedinger enabled ${libschroedinger-no}"
3617 echo "libspeex enabled ${libspeex-no}"
3618 echo "libtheora enabled ${libtheora-no}"
3619 echo "libvo-aacenc support ${libvo_aacenc-no}"
3620 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3621 echo "libvorbis enabled ${libvorbis-no}"
3622 echo "libvpx enabled ${libvpx-no}"
3623 echo "libx264 enabled ${libx264-no}"
3624 echo "libxavs enabled ${libxavs-no}"
3625 echo "libxvid enabled ${libxvid-no}"
3626 echo "openssl enabled ${openssl-no}"
3627 echo "zlib enabled ${zlib-no}"
3628 echo "bzlib enabled ${bzlib-no}"
3629 test -n "$random_seed" &&
3630 echo "random seed ${random_seed}"
3631 echo
3632
3633 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3634 echo "Enabled ${type}s:"
3635 eval list=\$$(toupper $type)_LIST
3636 print_enabled '_*' $list | sort | pr -r -3 -t
3637 echo
3638 done
3639
3640 license="LGPL version 2.1 or later"
3641 if enabled nonfree; then
3642 license="nonfree and unredistributable"
3643 elif enabled gplv3; then
3644 license="GPL version 3 or later"
3645 elif enabled lgplv3; then
3646 license="LGPL version 3 or later"
3647 elif enabled gpl; then
3648 license="GPL version 2 or later"
3649 fi
3650
3651 echo "License: $license"
3652
3653 echo "Creating config.mak and config.h..."
3654
3655 test -e Makefile || $ln_s "$source_path/Makefile" .
3656
3657 config_files="$TMPH config.mak"
3658
3659 cat > config.mak <<EOF
3660 # Automatically generated by configure - do not modify!
3661 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3662 prefix=$prefix
3663 LIBDIR=\$(DESTDIR)$libdir
3664 SHLIBDIR=\$(DESTDIR)$shlibdir
3665 INCDIR=\$(DESTDIR)$incdir
3666 BINDIR=\$(DESTDIR)$bindir
3667 DATADIR=\$(DESTDIR)$datadir
3668 MANDIR=\$(DESTDIR)$mandir
3669 SRC_PATH=$source_path
3670 CC_IDENT=$cc_ident
3671 ARCH=$arch
3672 CC=$cc
3673 AS=$as
3674 LD=$ld
3675 DEPCC=$dep_cc
3676 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3677 DEPAS=$as
3678 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3679 YASM=$yasmexe
3680 DEPYASM=$yasmexe
3681 AR=$ar
3682 ARFLAGS=$arflags
3683 AR_O=$ar_o
3684 RANLIB=$ranlib
3685 LN_S=$ln_s
3686 CPPFLAGS=$CPPFLAGS
3687 CFLAGS=$CFLAGS
3688 ASFLAGS=$ASFLAGS
3689 AS_C=$AS_C
3690 AS_O=$AS_O
3691 CC_C=$CC_C
3692 CC_O=$CC_O
3693 LD_O=$LD_O
3694 LD_LIB=$LD_LIB
3695 LD_PATH=$LD_PATH
3696 DLLTOOL=$dlltool
3697 LDFLAGS=$LDFLAGS
3698 LDFLAGS-avserver=$AVSERVERLDFLAGS
3699 SHFLAGS=$SHFLAGS
3700 YASMFLAGS=$YASMFLAGS
3701 BUILDSUF=$build_suffix
3702 FULLNAME=$FULLNAME
3703 LIBPREF=$LIBPREF
3704 LIBSUF=$LIBSUF
3705 LIBNAME=$LIBNAME
3706 SLIBPREF=$SLIBPREF
3707 SLIBSUF=$SLIBSUF
3708 EXESUF=$EXESUF
3709 EXTRA_VERSION=$extra_version
3710 CCDEP=$CCDEP
3711 CCDEP_FLAGS=$CCDEP_FLAGS
3712 ASDEP=$ASDEP
3713 ASDEP_FLAGS=$ASDEP_FLAGS
3714 CC_DEPFLAGS=$CC_DEPFLAGS
3715 AS_DEPFLAGS=$AS_DEPFLAGS
3716 HOSTCC=$host_cc
3717 HOSTLD=$host_ld
3718 HOSTCFLAGS=$host_cflags
3719 HOSTEXESUF=$HOSTEXESUF
3720 HOSTLDFLAGS=$host_ldflags
3721 HOSTLIBS=$host_libs
3722 DEPHOSTCC=$host_cc
3723 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3724 HOSTCCDEP=$HOSTCCDEP
3725 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3726 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3727 HOSTCC_C=$HOSTCC_C
3728 HOSTCC_O=$HOSTCC_O
3729 HOSTLD_O=$HOSTLD_O
3730 TARGET_EXEC=$target_exec
3731 TARGET_PATH=$target_path
3732 LIBS-avplay=$sdl_libs
3733 CFLAGS-avplay=$sdl_cflags
3734 ZLIB=$($ldflags_filter -lz)
3735 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3736 EXTRALIBS=$extralibs
3737 INSTALL=install
3738 LIBTARGET=${LIBTARGET}
3739 SLIBNAME=${SLIBNAME}
3740 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3741 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3742 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3743 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3744 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3745 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3746 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3747 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3748 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3749 EOF
3750
3751 get_version(){
3752 lcname=$1
3753 name=$(toupper $lcname)
3754 file=$source_path/$lcname/version.h
3755 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3756 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3757 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3758 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3759 }
3760
3761 get_version libavcodec
3762 get_version libavdevice
3763 get_version libavfilter
3764 get_version libavformat
3765 get_version libavresample
3766 get_version libavutil
3767 get_version libswscale
3768
3769 cat > $TMPH <<EOF
3770 /* Automatically generated by configure - do not modify! */
3771 #ifndef LIBAV_CONFIG_H
3772 #define LIBAV_CONFIG_H
3773 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3774 #define LIBAV_LICENSE "$(c_escape $license)"
3775 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3776 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3777 #define restrict $_restrict
3778 #define EXTERN_PREFIX "${extern_prefix}"
3779 #define EXTERN_ASM ${extern_prefix}
3780 #define SLIBSUF "$SLIBSUF"
3781 EOF
3782
3783 test -n "$malloc_prefix" &&
3784 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3785
3786 if enabled yasm; then
3787 append config_files $TMPASM
3788 printf '' >$TMPASM
3789 fi
3790
3791 print_config ARCH_ "$config_files" $ARCH_LIST
3792 print_config HAVE_ "$config_files" $HAVE_LIST
3793 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3794 $CONFIG_EXTRA \
3795 $ALL_COMPONENTS \
3796
3797 cat >>config.mak <<EOF
3798 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3799 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3800 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3801 EOF
3802
3803 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3804
3805 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3806 cp_if_changed $TMPH config.h
3807 touch .config
3808
3809 enabled yasm && cp_if_changed $TMPASM config.asm
3810
3811 cat > $TMPH <<EOF
3812 /* Generated by ffconf */
3813 #ifndef AVUTIL_AVCONFIG_H
3814 #define AVUTIL_AVCONFIG_H
3815 EOF
3816
3817 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3818
3819 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3820
3821 cp_if_changed $TMPH libavutil/avconfig.h
3822
3823 test -n "$WARNINGS" && printf "\n$WARNINGS"
3824
3825 # build pkg-config files
3826
3827 pkgconfig_generate(){
3828 name=$1
3829 shortname=${name#lib}${build_suffix}
3830 comment=$2
3831 version=$3
3832 libs=$4
3833 requires=$5
3834 enabled ${name#lib} || return 0
3835 mkdir -p $name
3836 cat <<EOF > $name/$name.pc
3837 prefix=$prefix
3838 exec_prefix=\${prefix}
3839 libdir=$libdir
3840 includedir=$incdir
3841
3842 Name: $name
3843 Description: $comment
3844 Version: $version
3845 Requires: $(enabled shared || echo $requires)
3846 Requires.private: $(enabled shared && echo $requires)
3847 Conflicts:
3848 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3849 Libs.private: $(enabled shared && echo $libs)
3850 Cflags: -I\${includedir}
3851 EOF
3852 cat <<EOF > $name/$name-uninstalled.pc
3853 prefix=
3854 exec_prefix=
3855 libdir=\${pcfiledir}
3856 includedir=${source_path}
3857
3858 Name: $name
3859 Description: $comment
3860 Version: $version
3861 Requires: $requires
3862 Conflicts:
3863 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3864 Cflags: -I\${includedir}
3865 EOF
3866 }
3867
3868 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3869 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3870 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3871 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3872 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3873 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3874 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"