fbb71b6e16b9dae7278b6416e954c4bde757610d
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
123 --enable-vaapi enable VAAPI code
124 --enable-vda enable VDA code
125 --enable-vdpau enable VDPAU code
126
127 Individual component options:
128 --disable-everything disable all components listed below
129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
153 --enable-indev=NAME enable input device NAME
154 --disable-indev=NAME disable input device NAME
155 --disable-indevs disable input devices
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libfaac enable FAAC support via libfaac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM support via libgsm [no]
178 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-libpulse enable Pulseaudio input via libpulse [no]
181 --enable-librtmp enable RTMP[E] support via librtmp [no]
182 --enable-libschroedinger enable Dirac support via libschroedinger [no]
183 --enable-libspeex enable Speex support via libspeex [no]
184 --enable-libtheora enable Theora encoding via libtheora [no]
185 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
186 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
187 --enable-libvorbis enable Vorbis encoding via libvorbis,
188 native implementation exists [no]
189 --enable-libvpx enable VP8 support via libvpx [no]
190 --enable-libx264 enable H.264 encoding via x264 [no]
191 --enable-libxavs enable AVS encoding via xavs [no]
192 --enable-libxvid enable Xvid encoding via xvidcore,
193 native MPEG-4/Xvid encoder exists [no]
194 --enable-openssl enable openssl [no]
195 --enable-zlib enable zlib [autodetect]
196
197 Advanced options (experts only):
198 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
199 --enable-cross-compile assume a cross-compiler is used
200 --sysroot=PATH root of cross-build tree
201 --sysinclude=PATH location of cross-build system headers
202 --target-os=OS compiler targets OS [$target_os]
203 --target-exec=CMD command to run executables on target
204 --target-path=DIR path to view of build directory on target
205 --nm=NM use nm tool
206 --ar=AR use archive tool AR [$ar_default]
207 --as=AS use assembler AS [$as_default]
208 --cc=CC use C compiler CC [$cc_default]
209 --ld=LD use linker LD
210 --host-cc=HOSTCC use host C compiler HOSTCC
211 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
212 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
213 --host-libs=HLIBS use libs HLIBS when linking for host
214 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
215 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
216 --extra-libs=ELIBS add ELIBS [$ELIBS]
217 --extra-version=STRING version string suffix []
218 --optflags override optimization-related compiler flags
219 --build-suffix=SUFFIX library name suffix []
220 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
221 --arch=ARCH select architecture [$arch]
222 --cpu=CPU select the minimum required CPU (affects
223 instruction selection, may crash on older CPUs)
224 --enable-pic build position-independent code
225 --enable-sram allow use of on-chip SRAM
226 --disable-symver disable symbol versioning
227 --disable-fastdiv disable table-based division
228 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
229 --disable-safe-bitstream-reader
230 disable buffer boundary checking in bitreaders
231 (faster, but may crash)
232 --enable-memalign-hack emulate memalign, interferes with memory debuggers
233
234 Optimization options (experts only):
235 --disable-asm disable all assembler optimizations
236 --disable-altivec disable AltiVec optimizations
237 --disable-amd3dnow disable 3DNow! optimizations
238 --disable-amd3dnowext disable 3DNow! extended optimizations
239 --disable-mmx disable MMX optimizations
240 --disable-mmx2 disable MMX2 optimizations
241 --disable-sse disable SSE optimizations
242 --disable-ssse3 disable SSSE3 optimizations
243 --disable-avx disable AVX optimizations
244 --disable-armv5te disable armv5te optimizations
245 --disable-armv6 disable armv6 optimizations
246 --disable-armv6t2 disable armv6t2 optimizations
247 --disable-armvfp disable ARM VFP optimizations
248 --disable-mmi disable MMI optimizations
249 --disable-neon disable NEON optimizations
250 --disable-vis disable VIS optimizations
251 --disable-yasm disable use of yasm assembler
252
253 Developer options (useful when working on Libav itself):
254 --disable-debug disable debugging symbols
255 --enable-debug=LEVEL set the debug level [$debuglevel]
256 --disable-optimizations disable compiler optimizations
257 --enable-extra-warnings enable more compiler warnings
258 --samples=PATH location of test samples for FATE, if not set use
259 \$LIBAV_SAMPLES at make invocation time.
260 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
261 should be used only for debugging purposes)
262
263 NOTE: Object files are built at the place where configure is launched.
264 EOF
265 exit 0
266 }
267
268 quotes='""'
269
270 log(){
271 echo "$@" >> $logfile
272 }
273
274 log_file(){
275 log BEGIN $1
276 pr -n -t $1 >> $logfile
277 log END $1
278 }
279
280 echolog(){
281 log "$@"
282 echo "$@"
283 }
284
285 warn(){
286 log "WARNING: $*"
287 WARNINGS="${WARNINGS}WARNING: $*\n"
288 }
289
290 die(){
291 echolog "$@"
292 cat <<EOF
293
294 If you think configure made a mistake, make sure you are using the latest
295 version from Git. If the latest version fails, report the problem to the
296 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
297 EOF
298 if disabled logging; then
299 cat <<EOF
300 Rerun configure with logging enabled (do not use --disable-logging), and
301 include the log this produces with your report.
302 EOF
303 else
304 cat <<EOF
305 Include the log file "$logfile" produced by configure as this will help
306 solving the problem.
307 EOF
308 fi
309 exit 1
310 }
311
312 # Avoid locale weirdness, besides we really just want to translate ASCII.
313 toupper(){
314 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
315 }
316
317 tolower(){
318 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
319 }
320
321 c_escape(){
322 echo "$*" | sed 's/["\\]/\\\0/g'
323 }
324
325 sh_quote(){
326 v=$(echo "$1" | sed "s/'/'\\\\''/g")
327 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
328 echo "$v"
329 }
330
331 cleanws(){
332 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
333 }
334
335 filter(){
336 pat=$1
337 shift
338 for v; do
339 eval "case $v in $pat) echo $v ;; esac"
340 done
341 }
342
343 filter_out(){
344 pat=$1
345 shift
346 for v; do
347 eval "case $v in $pat) ;; *) echo $v ;; esac"
348 done
349 }
350
351 map(){
352 m=$1
353 shift
354 for v; do eval $m; done
355 }
356
357 set_all(){
358 value=$1
359 shift
360 for var in $*; do
361 eval $var=$value
362 done
363 }
364
365 set_weak(){
366 value=$1
367 shift
368 for var; do
369 eval : \${$var:=$value}
370 done
371 }
372
373 set_safe(){
374 var=$1
375 shift
376 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
377 }
378
379 get_safe(){
380 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
381 }
382
383 pushvar(){
384 for var in $*; do
385 eval level=\${${var}_level:=0}
386 eval ${var}_${level}="\$$var"
387 eval ${var}_level=$(($level+1))
388 done
389 }
390
391 popvar(){
392 for var in $*; do
393 eval level=\${${var}_level:-0}
394 test $level = 0 && continue
395 eval level=$(($level-1))
396 eval $var="\${${var}_${level}}"
397 eval ${var}_level=$level
398 eval unset ${var}_${level}
399 done
400 }
401
402 enable(){
403 set_all yes $*
404 }
405
406 disable(){
407 set_all no $*
408 }
409
410 enable_weak(){
411 set_weak yes $*
412 }
413
414 disable_weak(){
415 set_weak no $*
416 }
417
418 enable_safe(){
419 for var; do
420 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
421 done
422 }
423
424 disable_safe(){
425 for var; do
426 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
427 done
428 }
429
430 do_enable_deep(){
431 for var; do
432 enabled $var && continue
433 eval sel="\$${var}_select"
434 eval sgs="\$${var}_suggest"
435 pushvar var sgs
436 enable_deep $sel
437 popvar sgs
438 enable_deep_weak $sgs
439 popvar var
440 done
441 }
442
443 enable_deep(){
444 do_enable_deep $*
445 enable $*
446 }
447
448 enable_deep_weak(){
449 do_enable_deep $*
450 enable_weak $*
451 }
452
453 enabled(){
454 test "${1#!}" = "$1" && op== || op=!=
455 eval test "x\$${1#!}" $op "xyes"
456 }
457
458 disabled(){
459 test "${1#!}" = "$1" && op== || op=!=
460 eval test "x\$${1#!}" $op "xno"
461 }
462
463 enabled_all(){
464 for opt; do
465 enabled $opt || return 1
466 done
467 }
468
469 disabled_all(){
470 for opt; do
471 disabled $opt || return 1
472 done
473 }
474
475 enabled_any(){
476 for opt; do
477 enabled $opt && return 0
478 done
479 }
480
481 disabled_any(){
482 for opt; do
483 disabled $opt && return 0
484 done
485 return 1
486 }
487
488 set_default(){
489 for opt; do
490 eval : \${$opt:=\$${opt}_default}
491 done
492 }
493
494 is_in(){
495 value=$1
496 shift
497 for var in $*; do
498 [ $var = $value ] && return 0
499 done
500 return 1
501 }
502
503 check_deps(){
504 for cfg; do
505 cfg="${cfg#!}"
506 enabled ${cfg}_checking && die "Circular dependency for $cfg."
507 disabled ${cfg}_checking && continue
508 enable ${cfg}_checking
509
510 eval dep_all="\$${cfg}_deps"
511 eval dep_any="\$${cfg}_deps_any"
512 eval dep_sel="\$${cfg}_select"
513 eval dep_sgs="\$${cfg}_suggest"
514 eval dep_ifa="\$${cfg}_if"
515 eval dep_ifn="\$${cfg}_if_any"
516
517 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
518 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
519 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520
521 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
522 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
523 enabled_all $dep_all || disable $cfg
524 enabled_any $dep_any || disable $cfg
525 disabled_any $dep_sel && disable $cfg
526
527 if enabled $cfg; then
528 eval dep_extralibs="\$${cfg}_extralibs"
529 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
530 enable_deep $dep_sel
531 enable_deep_weak $dep_sgs
532 fi
533
534 disable ${cfg}_checking
535 done
536 }
537
538 print_config_h(){
539 enabled $1 && v=1 || v=0
540 echo "#define $2 $v"
541 }
542
543 print_config_mak(){
544 enabled $1 && v= || v=!
545 echo "$v$2=yes"
546 }
547
548 print_config_asm(){
549 enabled $1 && v=1 || v=0
550 echo "%define $2 $v"
551 }
552
553 print_config(){
554 pfx=$1
555 files=$2
556 shift 2
557 for cfg; do
558 ucname="$(toupper $cfg)"
559 for f in $files; do
560 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
561 done
562 done
563 }
564
565 print_enabled(){
566 test "$1" = -n && end=" " && shift || end="\n"
567 suf=$1
568 shift
569 for v; do
570 enabled $v && printf "%s$end" ${v%$suf};
571 done
572 }
573
574 append(){
575 var=$1
576 shift
577 eval "$var=\"\$$var $*\""
578 }
579
580 prepend(){
581 var=$1
582 shift
583 eval "$var=\"$* \$$var\""
584 }
585
586 add_cppflags(){
587 append CPPFLAGS $($filter_cppflags "$@")
588 }
589
590 add_cflags(){
591 append CFLAGS $($filter_cflags "$@")
592 }
593
594 add_asflags(){
595 append ASFLAGS $($filter_asflags "$@")
596 }
597
598 add_ldflags(){
599 append LDFLAGS "$@"
600 }
601
602 add_extralibs(){
603 prepend extralibs "$@"
604 }
605
606 check_cmd(){
607 log "$@"
608 "$@" >> $logfile 2>&1
609 }
610
611 check_cc(){
612 log check_cc "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_cpp(){
619 log check_cpp "$@"
620 cat > $TMPC
621 log_file $TMPC
622 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
623 }
624
625 check_as(){
626 log check_as "$@"
627 cat > $TMPC
628 log_file $TMPC
629 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
630 }
631
632 check_asm(){
633 log check_asm "$@"
634 name="$1"
635 code="$2"
636 shift 2
637 disable $name
638 check_as "$@" <<EOF && enable $name
639 void foo(void){ __asm__ volatile($code); }
640 EOF
641 }
642
643 check_yasm(){
644 log check_yasm "$@"
645 echo "$1" > $TMPS
646 log_file $TMPS
647 shift 1
648 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
649 }
650
651 check_ld(){
652 log check_ld "$@"
653 flags=''
654 libs=''
655 for f; do
656 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
657 done
658 check_cc $($filter_cflags $flags) || return
659 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
660 }
661
662 check_cppflags(){
663 log check_cppflags "$@"
664 set -- $($filter_cppflags "$@")
665 check_cc "$@" <<EOF && append CPPFLAGS "$@"
666 int x;
667 EOF
668 }
669
670 check_cflags(){
671 log check_cflags "$@"
672 set -- $($filter_cflags "$@")
673 check_cc "$@" <<EOF && append CFLAGS "$@"
674 int x;
675 EOF
676 }
677
678 test_ldflags(){
679 log test_ldflags "$@"
680 check_ld "$@" <<EOF
681 int main(void){ return 0; }
682 EOF
683 }
684
685 check_ldflags(){
686 log check_ldflags "$@"
687 test_ldflags "$@" && add_ldflags "$@"
688 }
689
690 check_header(){
691 log check_header "$@"
692 header=$1
693 shift
694 disable_safe $header
695 check_cpp "$@" <<EOF && enable_safe $header
696 #include <$header>
697 int x;
698 EOF
699 }
700
701 check_func(){
702 log check_func "$@"
703 func=$1
704 shift
705 disable $func
706 check_ld "$@" <<EOF && enable $func
707 extern int $func();
708 int main(void){ $func(); }
709 EOF
710 }
711
712 check_mathfunc(){
713 log check_mathfunc "$@"
714 func=$1
715 shift
716 disable $func
717 check_ld "$@" <<EOF && enable $func
718 #include <math.h>
719 float foo(float f) { return $func(f); }
720 int main(void){ return 0; }
721 EOF
722 }
723
724 check_func_headers(){
725 log check_func_headers "$@"
726 headers=$1
727 funcs=$2
728 shift 2
729 {
730 for hdr in $headers; do
731 echo "#include <$hdr>"
732 done
733 for func in $funcs; do
734 echo "long check_$func(void) { return (long) $func; }"
735 done
736 echo "int main(void) { return 0; }"
737 } | check_ld "$@" && enable $funcs && enable_safe $headers
738 }
739
740 check_cpp_condition(){
741 log check_cpp_condition "$@"
742 header=$1
743 condition=$2
744 shift 2
745 check_cpp $($filter_cppflags "$@") <<EOF
746 #include <$header>
747 #if !($condition)
748 #error "unsatisfied condition: $condition"
749 #endif
750 EOF
751 }
752
753 check_lib(){
754 log check_lib "$@"
755 header="$1"
756 func="$2"
757 shift 2
758 check_header $header && check_func $func "$@" && add_extralibs "$@"
759 }
760
761 check_lib2(){
762 log check_lib2 "$@"
763 headers="$1"
764 funcs="$2"
765 shift 2
766 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
767 }
768
769 check_pkg_config(){
770 log check_pkg_config "$@"
771 pkg="$1"
772 headers="$2"
773 funcs="$3"
774 shift 3
775 $pkg_config --exists $pkg || return
776 pkg_cflags=$($pkg_config --cflags $pkg)
777 pkg_libs=$($pkg_config --libs $pkg)
778 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
779 set_safe ${pkg}_cflags $pkg_cflags &&
780 set_safe ${pkg}_libs $pkg_libs
781 }
782
783 check_exec(){
784 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
785 }
786
787 check_exec_crash(){
788 code=$(cat)
789
790 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
791 # are safe but may not be available everywhere. Thus we use
792 # raise(SIGTERM) instead. The check is run in a subshell so we
793 # can redirect the "Terminated" message from the shell. SIGBUS
794 # is not defined by standard C so it is used conditionally.
795
796 (check_exec "$@") >> $logfile 2>&1 <<EOF
797 #include <signal.h>
798 static void sighandler(int sig){
799 raise(SIGTERM);
800 }
801 int main(void){
802 signal(SIGILL, sighandler);
803 signal(SIGFPE, sighandler);
804 signal(SIGSEGV, sighandler);
805 #ifdef SIGBUS
806 signal(SIGBUS, sighandler);
807 #endif
808 { $code }
809 }
810 EOF
811 }
812
813 check_type(){
814 log check_type "$@"
815 headers=$1
816 type=$2
817 shift 2
818 disable_safe "$type"
819 incs=""
820 for hdr in $headers; do
821 incs="$incs
822 #include <$hdr>"
823 done
824 check_cc "$@" <<EOF && enable_safe "$type"
825 $incs
826 $type v;
827 EOF
828 }
829
830 check_struct(){
831 log check_type "$@"
832 headers=$1
833 struct=$2
834 member=$3
835 shift 3
836 disable_safe "${struct}_${member}"
837 incs=""
838 for hdr in $headers; do
839 incs="$incs
840 #include <$hdr>"
841 done
842 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
843 $incs
844 const void *p = &(($struct *)0)->$member;
845 EOF
846 }
847
848 require(){
849 name="$1"
850 header="$2"
851 func="$3"
852 shift 3
853 check_lib $header $func "$@" || die "ERROR: $name not found"
854 }
855
856 require2(){
857 name="$1"
858 headers="$2"
859 func="$3"
860 shift 3
861 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
862 }
863
864 require_pkg_config(){
865 pkg="$1"
866 check_pkg_config "$@" || die "ERROR: $pkg not found"
867 add_cflags $(get_safe ${pkg}_cflags)
868 add_extralibs $(get_safe ${pkg}_libs)
869 }
870
871 check_host_cc(){
872 log check_host_cc "$@"
873 cat > $TMPC
874 log_file $TMPC
875 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
876 }
877
878 check_host_cflags(){
879 log check_host_cflags "$@"
880 check_host_cc "$@" <<EOF && append host_cflags "$@"
881 int x;
882 EOF
883 }
884
885 apply(){
886 file=$1
887 shift
888 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
889 }
890
891 cp_if_changed(){
892 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
893 mkdir -p "$(dirname $2)"
894 cp -f "$1" "$2"
895 }
896
897 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
898 # system-dependent things.
899
900 COMPONENT_LIST="
901 bsfs
902 decoders
903 demuxers
904 encoders
905 filters
906 hwaccels
907 indevs
908 muxers
909 outdevs
910 parsers
911 protocols
912 "
913
914 PROGRAM_LIST="
915 avconv
916 avplay
917 avprobe
918 avserver
919 "
920
921 CONFIG_LIST="
922 $COMPONENT_LIST
923 $PROGRAM_LIST
924 ac3dsp
925 avcodec
926 avdevice
927 avfilter
928 avformat
929 avresample
930 avisynth
931 bzlib
932 dct
933 doc
934 dwt
935 dxva2
936 fastdiv
937 fft
938 frei0r
939 gnutls
940 gpl
941 gray
942 hardcoded_tables
943 libcdio
944 libdc1394
945 libfaac
946 libfreetype
947 libgsm
948 libmp3lame
949 libopencore_amrnb
950 libopencore_amrwb
951 libopencv
952 libopenjpeg
953 libpulse
954 librtmp
955 libschroedinger
956 libspeex
957 libtheora
958 libvo_aacenc
959 libvo_amrwbenc
960 libvorbis
961 libvpx
962 libx264
963 libxavs
964 libxvid
965 lsp
966 mdct
967 memalign_hack
968 mpegaudiodsp
969 network
970 nonfree
971 openssl
972 pic
973 rdft
974 rtpdec
975 runtime_cpudetect
976 safe_bitstream_reader
977 shared
978 sinewin
979 small
980 sram
981 static
982 swscale
983 swscale_alpha
984 thumb
985 vaapi
986 vda
987 vdpau
988 version3
989 xmm_clobber_test
990 x11grab
991 zlib
992 "
993
994 THREADS_LIST='
995 pthreads
996 w32threads
997 '
998
999 ARCH_LIST='
1000 alpha
1001 arm
1002 avr32
1003 avr32_ap
1004 avr32_uc
1005 bfin
1006 ia64
1007 m68k
1008 mips
1009 mips64
1010 parisc
1011 ppc
1012 ppc64
1013 s390
1014 sh4
1015 sparc
1016 sparc64
1017 tomi
1018 x86
1019 x86_32
1020 x86_64
1021 '
1022
1023 ARCH_EXT_LIST='
1024 altivec
1025 amd3dnow
1026 amd3dnowext
1027 armv5te
1028 armv6
1029 armv6t2
1030 armvfp
1031 avx
1032 mmi
1033 mmx
1034 mmx2
1035 neon
1036 ppc4xx
1037 sse
1038 ssse3
1039 vfpv3
1040 vis
1041 '
1042
1043 HAVE_LIST_PUB='
1044 bigendian
1045 fast_unaligned
1046 '
1047
1048 HAVE_LIST="
1049 $ARCH_EXT_LIST
1050 $HAVE_LIST_PUB
1051 $THREADS_LIST
1052 aligned_stack
1053 alsa_asoundlib_h
1054 altivec_h
1055 arpa_inet_h
1056 asm_mod_y
1057 attribute_may_alias
1058 attribute_packed
1059 closesocket
1060 cmov
1061 dcbzl
1062 dev_bktr_ioctl_bt848_h
1063 dev_bktr_ioctl_meteor_h
1064 dev_ic_bt8xx_h
1065 dev_video_bktr_ioctl_bt848_h
1066 dev_video_meteor_ioctl_meteor_h
1067 dlfcn_h
1068 dlopen
1069 dos_paths
1070 ebp_available
1071 ebx_available
1072 exp2
1073 exp2f
1074 fast_64bit
1075 fast_clz
1076 fast_cmov
1077 fcntl
1078 fork
1079 getaddrinfo
1080 gethrtime
1081 GetProcessAffinityMask
1082 GetProcessMemoryInfo
1083 GetProcessTimes
1084 getrusage
1085 gnu_as
1086 ibm_asm
1087 inet_aton
1088 inline_asm
1089 isatty
1090 ldbrx
1091 libdc1394_1
1092 libdc1394_2
1093 llrint
1094 llrintf
1095 local_aligned_16
1096 local_aligned_8
1097 localtime_r
1098 log2
1099 log2f
1100 loongson
1101 lrint
1102 lrintf
1103 machine_ioctl_bt848_h
1104 machine_ioctl_meteor_h
1105 malloc_h
1106 MapViewOfFile
1107 memalign
1108 mkstemp
1109 mmap
1110 netinet_sctp_h
1111 poll_h
1112 posix_memalign
1113 round
1114 roundf
1115 sched_getaffinity
1116 sdl
1117 sdl_video_size
1118 setmode
1119 setrlimit
1120 sndio_h
1121 socklen_t
1122 soundcard_h
1123 strerror_r
1124 strptime
1125 strtok_r
1126 struct_addrinfo
1127 struct_ipv6_mreq
1128 struct_rusage_ru_maxrss
1129 struct_sockaddr_in6
1130 struct_sockaddr_sa_len
1131 struct_sockaddr_storage
1132 struct_v4l2_frmivalenum_discrete
1133 symver
1134 symver_asm_label
1135 symver_gnu_asm
1136 sysconf
1137 sysctl
1138 sys_mman_h
1139 sys_param_h
1140 sys_resource_h
1141 sys_select_h
1142 sys_soundcard_h
1143 sys_videoio_h
1144 threads
1145 trunc
1146 truncf
1147 vfp_args
1148 VirtualAlloc
1149 winsock2_h
1150 xform_asm
1151 xmm_clobbers
1152 yasm
1153 "
1154
1155 # options emitted with CONFIG_ prefix but not available on command line
1156 CONFIG_EXTRA="
1157 aandct
1158 avutil
1159 golomb
1160 gplv3
1161 h264chroma
1162 h264dsp
1163 h264pred
1164 h264qpel
1165 huffman
1166 lgplv3
1167 lpc
1168 "
1169
1170 CMDLINE_SELECT="
1171 $ARCH_EXT_LIST
1172 $CONFIG_LIST
1173 $THREADS_LIST
1174 asm
1175 cross_compile
1176 debug
1177 extra_warnings
1178 logging
1179 optimizations
1180 symver
1181 yasm
1182 "
1183
1184 PATHS_LIST='
1185 bindir
1186 datadir
1187 incdir
1188 libdir
1189 mandir
1190 prefix
1191 shlibdir
1192 '
1193
1194 CMDLINE_SET="
1195 $PATHS_LIST
1196 ar
1197 arch
1198 as
1199 build_suffix
1200 cc
1201 cpu
1202 cross_prefix
1203 dep_cc
1204 extra_version
1205 host_cc
1206 host_cflags
1207 host_ldflags
1208 host_libs
1209 host_os
1210 ld
1211 logfile
1212 malloc_prefix
1213 nm
1214 optflags
1215 pkg_config
1216 samples
1217 sysinclude
1218 sysroot
1219 target_exec
1220 target_os
1221 target_path
1222 "
1223
1224 CMDLINE_APPEND="
1225 extra_cflags
1226 "
1227
1228 # code dependency declarations
1229
1230 # architecture extensions
1231
1232 armv5te_deps="arm"
1233 armv6_deps="arm"
1234 armv6t2_deps="arm"
1235 armvfp_deps="arm"
1236 neon_deps="arm"
1237 vfpv3_deps="armvfp"
1238
1239 mmi_deps="mips"
1240
1241 altivec_deps="ppc"
1242 ppc4xx_deps="ppc"
1243
1244 vis_deps="sparc"
1245
1246 x86_64_suggest="cmov fast_cmov"
1247 amd3dnow_deps="mmx"
1248 amd3dnowext_deps="amd3dnow"
1249 mmx_deps="x86"
1250 mmx2_deps="mmx"
1251 sse_deps="mmx"
1252 ssse3_deps="sse"
1253 avx_deps="ssse3"
1254
1255 aligned_stack_if_any="ppc x86"
1256 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1257 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1258 fast_unaligned_if_any="armv6 ppc x86"
1259
1260 inline_asm_deps="!tms470"
1261 need_memalign="altivec neon sse"
1262
1263 symver_if_any="symver_asm_label symver_gnu_asm"
1264
1265 # subsystems
1266 dct_select="rdft"
1267 mdct_select="fft"
1268 rdft_select="fft"
1269 mpegaudiodsp_select="dct"
1270
1271 # decoders / encoders / hardware accelerators
1272 aac_decoder_select="mdct sinewin"
1273 aac_encoder_select="mdct sinewin"
1274 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1275 ac3_decoder_select="mdct ac3dsp ac3_parser"
1276 ac3_encoder_select="mdct ac3dsp"
1277 ac3_fixed_encoder_select="mdct ac3dsp"
1278 alac_encoder_select="lpc"
1279 amrnb_decoder_select="lsp"
1280 amrwb_decoder_select="lsp"
1281 atrac1_decoder_select="mdct sinewin"
1282 atrac3_decoder_select="mdct"
1283 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1284 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1285 cavs_decoder_select="golomb"
1286 cook_decoder_select="mdct sinewin"
1287 cscd_decoder_suggest="zlib"
1288 dca_decoder_select="mdct"
1289 dnxhd_encoder_select="aandct"
1290 dxa_decoder_select="zlib"
1291 eac3_decoder_select="ac3_decoder"
1292 eac3_encoder_select="mdct ac3dsp"
1293 eamad_decoder_select="aandct"
1294 eatgq_decoder_select="aandct"
1295 eatqi_decoder_select="aandct"
1296 ffv1_decoder_select="golomb"
1297 flac_decoder_select="golomb"
1298 flac_encoder_select="golomb lpc"
1299 flashsv_decoder_select="zlib"
1300 flashsv_encoder_select="zlib"
1301 flashsv2_decoder_select="zlib"
1302 flv_decoder_select="h263_decoder"
1303 flv_encoder_select="h263_encoder"
1304 fraps_decoder_select="huffman"
1305 h261_encoder_select="aandct"
1306 h263_decoder_select="h263_parser"
1307 h263_encoder_select="aandct"
1308 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1309 h263i_decoder_select="h263_decoder"
1310 h263p_encoder_select="h263_encoder"
1311 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1312 h264_dxva2_hwaccel_deps="dxva2api_h"
1313 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1314 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1315 h264_vda_hwaccel_select="vda h264_decoder"
1316 h264_vdpau_decoder_select="vdpau h264_decoder"
1317 iac_decoder_select="fft mdct sinewin"
1318 imc_decoder_select="fft mdct sinewin"
1319 jpegls_decoder_select="golomb"
1320 jpegls_encoder_select="golomb"
1321 ljpeg_encoder_select="aandct"
1322 loco_decoder_select="golomb"
1323 mjpeg_encoder_select="aandct"
1324 mlp_decoder_select="mlp_parser"
1325 mp1_decoder_select="mpegaudiodsp"
1326 mp1float_decoder_select="mpegaudiodsp"
1327 mp2_decoder_select="mpegaudiodsp"
1328 mp2float_decoder_select="mpegaudiodsp"
1329 mp3_decoder_select="mpegaudiodsp"
1330 mp3adu_decoder_select="mpegaudiodsp"
1331 mp3adufloat_decoder_select="mpegaudiodsp"
1332 mp3float_decoder_select="mpegaudiodsp"
1333 mp3on4_decoder_select="mpegaudiodsp"
1334 mp3on4float_decoder_select="mpegaudiodsp"
1335 mpc7_decoder_select="mpegaudiodsp"
1336 mpc8_decoder_select="mpegaudiodsp"
1337 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1338 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1339 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1340 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1341 mpeg1video_encoder_select="aandct"
1342 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1343 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1344 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1345 mpeg2video_encoder_select="aandct"
1346 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1347 mpeg4_encoder_select="h263_encoder"
1348 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1349 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1350 msmpeg4v1_decoder_select="h263_decoder"
1351 msmpeg4v1_encoder_select="h263_encoder"
1352 msmpeg4v2_decoder_select="h263_decoder"
1353 msmpeg4v2_encoder_select="h263_encoder"
1354 msmpeg4v3_decoder_select="h263_decoder"
1355 msmpeg4v3_encoder_select="h263_encoder"
1356 nellymoser_decoder_select="mdct sinewin"
1357 nellymoser_encoder_select="mdct sinewin"
1358 png_decoder_select="zlib"
1359 png_encoder_select="zlib"
1360 qcelp_decoder_select="lsp"
1361 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1362 ra_144_encoder_select="lpc"
1363 ralf_decoder_select="golomb"
1364 rv10_decoder_select="h263_decoder"
1365 rv10_encoder_select="h263_encoder"
1366 rv20_decoder_select="h263_decoder"
1367 rv20_encoder_select="h263_encoder"
1368 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1369 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1370 shorten_decoder_select="golomb"
1371 sipr_decoder_select="lsp"
1372 snow_decoder_select="dwt"
1373 snow_encoder_select="aandct dwt"
1374 svq1_encoder_select="aandct"
1375 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1376 svq3_decoder_suggest="zlib"
1377 theora_decoder_select="vp3_decoder"
1378 tiff_decoder_suggest="zlib"
1379 tiff_encoder_suggest="zlib"
1380 truehd_decoder_select="mlp_decoder"
1381 tscc_decoder_select="zlib"
1382 twinvq_decoder_select="mdct lsp sinewin"
1383 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1384 vc1_dxva2_hwaccel_deps="dxva2api_h"
1385 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1386 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1387 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1388 vc1image_decoder_select="vc1_decoder"
1389 vorbis_decoder_select="mdct"
1390 vorbis_encoder_select="mdct"
1391 vp6_decoder_select="huffman"
1392 vp6a_decoder_select="vp6_decoder"
1393 vp6f_decoder_select="vp6_decoder"
1394 vp8_decoder_select="h264pred h264qpel"
1395 wmapro_decoder_select="mdct sinewin"
1396 wmav1_decoder_select="mdct sinewin"
1397 wmav1_encoder_select="mdct sinewin"
1398 wmav2_decoder_select="mdct sinewin"
1399 wmav2_encoder_select="mdct sinewin"
1400 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1401 wmv1_decoder_select="h263_decoder"
1402 wmv1_encoder_select="h263_encoder"
1403 wmv2_decoder_select="h263_decoder"
1404 wmv2_encoder_select="h263_encoder"
1405 wmv3_decoder_select="vc1_decoder"
1406 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1407 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1408 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1409 wmv3image_decoder_select="wmv3_decoder"
1410 zerocodec_decoder_select="zlib"
1411 zlib_decoder_select="zlib"
1412 zlib_encoder_select="zlib"
1413 zmbv_decoder_select="zlib"
1414 zmbv_encoder_select="zlib"
1415
1416 vaapi_deps="va_va_h"
1417 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1418 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1419
1420 # parsers
1421 h264_parser_select="golomb h264dsp h264pred"
1422
1423 # external libraries
1424 libfaac_encoder_deps="libfaac"
1425 libgsm_decoder_deps="libgsm"
1426 libgsm_encoder_deps="libgsm"
1427 libgsm_ms_decoder_deps="libgsm"
1428 libgsm_ms_encoder_deps="libgsm"
1429 libmp3lame_encoder_deps="libmp3lame"
1430 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1431 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1432 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1433 libopenjpeg_decoder_deps="libopenjpeg"
1434 libschroedinger_decoder_deps="libschroedinger"
1435 libschroedinger_encoder_deps="libschroedinger"
1436 libspeex_decoder_deps="libspeex"
1437 libspeex_encoder_deps="libspeex"
1438 libtheora_encoder_deps="libtheora"
1439 libvo_aacenc_encoder_deps="libvo_aacenc"
1440 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1441 libvorbis_encoder_deps="libvorbis"
1442 libvpx_decoder_deps="libvpx"
1443 libvpx_encoder_deps="libvpx"
1444 libx264_encoder_deps="libx264"
1445 libxavs_encoder_deps="libxavs"
1446 libxvid_encoder_deps="libxvid"
1447
1448 # demuxers / muxers
1449 ac3_demuxer_select="ac3_parser"
1450 asf_stream_muxer_select="asf_muxer"
1451 avisynth_demuxer_deps="avisynth"
1452 dirac_demuxer_select="dirac_parser"
1453 eac3_demuxer_select="ac3_parser"
1454 flac_demuxer_select="flac_parser"
1455 ipod_muxer_select="mov_muxer"
1456 matroska_audio_muxer_select="matroska_muxer"
1457 matroska_demuxer_suggest="zlib bzlib"
1458 mov_demuxer_suggest="zlib"
1459 mp3_demuxer_select="mpegaudio_parser"
1460 mp4_muxer_select="mov_muxer"
1461 mpegts_muxer_select="adts_muxer latm_muxer"
1462 mpegtsraw_demuxer_select="mpegts_demuxer"
1463 mxf_d10_muxer_select="mxf_muxer"
1464 ogg_demuxer_select="golomb"
1465 psp_muxer_select="mov_muxer"
1466 rtp_demuxer_select="sdp_demuxer"
1467 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1468 rtsp_demuxer_select="http_protocol rtpdec"
1469 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1470 sap_demuxer_select="sdp_demuxer"
1471 sap_muxer_select="rtp_muxer rtp_protocol"
1472 sdp_demuxer_select="rtpdec"
1473 spdif_muxer_select="aac_parser"
1474 tg2_muxer_select="mov_muxer"
1475 tgp_muxer_select="mov_muxer"
1476 w64_demuxer_deps="wav_demuxer"
1477
1478 # indevs / outdevs
1479 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1480 alsa_outdev_deps="alsa_asoundlib_h"
1481 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1482 dv1394_indev_deps="dv1394 dv_demuxer"
1483 fbdev_indev_deps="linux_fb_h"
1484 jack_indev_deps="jack_jack_h"
1485 libcdio_indev_deps="libcdio"
1486 libdc1394_indev_deps="libdc1394"
1487 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1488 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1489 pulse_indev_deps="libpulse"
1490 sndio_indev_deps="sndio_h"
1491 sndio_outdev_deps="sndio_h"
1492 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1493 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1494 vfwcap_indev_extralibs="-lavicap32"
1495 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1496
1497 # protocols
1498 gopher_protocol_deps="network"
1499 httpproxy_protocol_deps="network"
1500 httpproxy_protocol_select="tcp_protocol"
1501 http_protocol_deps="network"
1502 http_protocol_select="tcp_protocol"
1503 https_protocol_select="tls_protocol"
1504 librtmp_protocol_deps="librtmp"
1505 librtmpe_protocol_deps="librtmp"
1506 librtmps_protocol_deps="librtmp"
1507 librtmpt_protocol_deps="librtmp"
1508 librtmpte_protocol_deps="librtmp"
1509 mmsh_protocol_select="http_protocol"
1510 mmst_protocol_deps="network"
1511 rtmp_protocol_deps="!librtmp_protocol"
1512 rtmp_protocol_select="tcp_protocol"
1513 rtp_protocol_select="udp_protocol"
1514 sctp_protocol_deps="network netinet_sctp_h"
1515 tcp_protocol_deps="network"
1516 tls_protocol_deps_any="openssl gnutls"
1517 tls_protocol_select="tcp_protocol"
1518 udp_protocol_deps="network"
1519
1520 # filters
1521 blackframe_filter_deps="gpl"
1522 boxblur_filter_deps="gpl"
1523 cropdetect_filter_deps="gpl"
1524 delogo_filter_deps="gpl"
1525 drawtext_filter_deps="libfreetype"
1526 frei0r_filter_deps="frei0r dlopen strtok_r"
1527 frei0r_filter_extralibs='$ldl'
1528 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1529 frei0r_src_filter_extralibs='$ldl'
1530 hqdn3d_filter_deps="gpl"
1531 resample_filter_deps="avresample"
1532 ocv_filter_deps="libopencv"
1533 yadif_filter_deps="gpl"
1534
1535 # libraries
1536 avdevice_deps="avcodec avformat"
1537 avfilter_deps="swscale"
1538 avformat_deps="avcodec"
1539
1540 # programs
1541 avconv_deps="avcodec avfilter avformat avresample swscale format_filter
1542 setpts_filter"
1543 avplay_deps="avcodec avformat swscale sdl"
1544 avplay_select="rdft"
1545 avprobe_deps="avcodec avformat"
1546 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1547 avserver_extralibs='$ldl'
1548
1549 doc_deps="texi2html"
1550
1551 # tests
1552
1553 test_deps(){
1554 suf1=$1
1555 suf2=$2
1556 shift 2
1557 for v; do
1558 dep=${v%=*}
1559 tests=${v#*=}
1560 for name in ${tests}; do
1561 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1562 done
1563 done
1564 }
1565
1566 mxf_d10_test_deps="avfilter"
1567 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1568
1569 test_deps _muxer _demuxer \
1570 aiff \
1571 pcm_alaw=alaw \
1572 asf \
1573 au \
1574 avi \
1575 dv=dv_fmt \
1576 ffm \
1577 flv=flv_fmt \
1578 gxf \
1579 matroska=mkv \
1580 mmf \
1581 mov \
1582 pcm_mulaw=mulaw \
1583 mxf="mxf mxf_d10" \
1584 nut \
1585 ogg \
1586 rawvideo=pixfmt \
1587 rm \
1588 swf \
1589 mpegts=ts \
1590 voc \
1591 wav \
1592 yuv4mpegpipe=yuv4mpeg \
1593
1594 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1595
1596 # default parameters
1597
1598 logfile="config.log"
1599
1600 # installation paths
1601 prefix_default="/usr/local"
1602 bindir_default='${prefix}/bin'
1603 datadir_default='${prefix}/share/avconv'
1604 incdir_default='${prefix}/include'
1605 libdir_default='${prefix}/lib'
1606 mandir_default='${prefix}/share/man'
1607 shlibdir_default="$libdir_default"
1608
1609 # toolchain
1610 ar_default="ar"
1611 cc_default="gcc"
1612 cc_version=\"unknown\"
1613 host_cc_default="gcc"
1614 ln_s="ln -sf"
1615 nm_default="nm"
1616 objformat="elf"
1617 pkg_config_default=pkg-config
1618 ranlib="ranlib"
1619 yasmexe="yasm"
1620
1621 nm_opts='-g'
1622 nogas=":"
1623
1624 # machine
1625 arch_default=$(uname -m)
1626 cpu="generic"
1627
1628 # OS
1629 target_os_default=$(tolower $(uname -s))
1630 host_os=$target_os_default
1631
1632 # configurable options
1633 enable $PROGRAM_LIST
1634
1635 enable avcodec
1636 enable avdevice
1637 enable avfilter
1638 enable avformat
1639 enable avresample
1640 enable avutil
1641 enable swscale
1642
1643 enable asm
1644 enable debug
1645 enable doc
1646 enable fastdiv
1647 enable network
1648 enable optimizations
1649 enable safe_bitstream_reader
1650 enable static
1651 enable swscale_alpha
1652
1653 # build settings
1654 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1655 AVSERVERLDFLAGS=-Wl,-E
1656 LIBPREF="lib"
1657 LIBSUF=".a"
1658 FULLNAME='$(NAME)$(BUILDSUF)'
1659 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1660 SLIBPREF="lib"
1661 SLIBSUF=".so"
1662 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1663 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1664 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1665 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1666 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1667 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1668
1669 AS_O='-o $@'
1670 CC_O='-o $@'
1671
1672 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1673 host_libs='-lm'
1674
1675 target_path='$(CURDIR)'
1676
1677 # since the object filename is not given with the -MM flag, the compiler
1678 # is only able to print the basename, and we must add the path ourselves
1679 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1680 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1681
1682 # find source path
1683 if test -f configure; then
1684 source_path=.
1685 else
1686 source_path=$(cd $(dirname "$0"); pwd)
1687 echo "$source_path" | grep -q '[[:blank:]]' &&
1688 die "Out of tree builds are impossible with whitespace in source path."
1689 test -e "$source_path/config.h" &&
1690 die "Out of tree builds are impossible with config.h in source dir."
1691 fi
1692
1693 for v in "$@"; do
1694 r=${v#*=}
1695 l=${v%"$r"}
1696 r=$(sh_quote "$r")
1697 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1698 done
1699
1700 find_things(){
1701 thing=$1
1702 pattern=$2
1703 file=$source_path/$3
1704 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1705 }
1706
1707 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1708 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1709 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1710 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1711 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1712 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1713 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1714 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1715 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1716 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1717 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1718
1719 ALL_COMPONENTS="
1720 $BSF_LIST
1721 $DECODER_LIST
1722 $DEMUXER_LIST
1723 $ENCODER_LIST
1724 $FILTER_LIST
1725 $HWACCEL_LIST
1726 $INDEV_LIST
1727 $MUXER_LIST
1728 $OUTDEV_LIST
1729 $PARSER_LIST
1730 $PROTOCOL_LIST
1731 "
1732
1733 find_tests(){
1734 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1735 }
1736
1737 LAVF_TESTS=$(find_tests lavf)
1738 LAVFI_TESTS=$(find_tests lavfi)
1739 SEEK_TESTS=$(find_tests seek seek_)
1740
1741 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1742
1743 for n in $COMPONENT_LIST; do
1744 v=$(toupper ${n%s})_LIST
1745 eval enable \$$v
1746 eval ${n}_if_any="\$$v"
1747 done
1748
1749 enable $ARCH_EXT_LIST $ALL_TESTS
1750
1751 die_unknown(){
1752 echo "Unknown option \"$1\"."
1753 echo "See $0 --help for available options."
1754 exit 1
1755 }
1756
1757 show_list() {
1758 suffix=_$1
1759 shift
1760 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1761 exit 0
1762 }
1763
1764 for opt do
1765 optval="${opt#*=}"
1766 case "$opt" in
1767 --extra-ldflags=*) add_ldflags $optval
1768 ;;
1769 --extra-libs=*) add_extralibs $optval
1770 ;;
1771 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1772 ;;
1773 --enable-debug=*) debuglevel="$optval"
1774 ;;
1775 --disable-everything)
1776 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1777 ;;
1778 --enable-*=*|--disable-*=*)
1779 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1780 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1781 eval list=\$$(toupper $thing)_LIST
1782 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1783 $action $(filter "$name" $list)
1784 ;;
1785 --enable-?*|--disable-?*)
1786 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1787 if is_in $option $COMPONENT_LIST; then
1788 test $action = disable && action=unset
1789 eval $action \$$(toupper ${option%s})_LIST
1790 elif is_in $option $CMDLINE_SELECT; then
1791 $action $option
1792 else
1793 die_unknown $opt
1794 fi
1795 ;;
1796 --list-*)
1797 NAME="${opt#--list-}"
1798 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1799 NAME=${NAME%s}
1800 eval show_list $NAME \$$(toupper $NAME)_LIST
1801 ;;
1802 --help|-h) show_help
1803 ;;
1804 *)
1805 optname="${opt%%=*}"
1806 optname="${optname#--}"
1807 optname=$(echo "$optname" | sed 's/-/_/g')
1808 if is_in $optname $CMDLINE_SET; then
1809 eval $optname='$optval'
1810 elif is_in $optname $CMDLINE_APPEND; then
1811 append $optname "$optval"
1812 else
1813 die_unknown $opt
1814 fi
1815 ;;
1816 esac
1817 done
1818
1819 disabled logging && logfile=/dev/null
1820
1821 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1822 set >> $logfile
1823
1824 test -n "$cross_prefix" && enable cross_compile
1825
1826 if enabled cross_compile; then
1827 test -n "$arch" && test -n "$target_os" ||
1828 die "Must specify target arch and OS when cross-compiling"
1829 fi
1830
1831 set_default arch target_os
1832
1833 ar_default="${cross_prefix}${ar_default}"
1834 cc_default="${cross_prefix}${cc_default}"
1835 nm_default="${cross_prefix}${nm_default}"
1836 pkg_config_default="${cross_prefix}${pkg_config_default}"
1837 ranlib="${cross_prefix}${ranlib}"
1838
1839 sysinclude_default="${sysroot}/usr/include"
1840
1841 set_default cc nm pkg_config sysinclude
1842 enabled cross_compile || host_cc_default=$cc
1843 set_default host_cc
1844
1845 if ! $pkg_config --version >/dev/null 2>&1; then
1846 warn "$pkg_config not found, library detection may fail."
1847 pkg_config=false
1848 fi
1849
1850 exesuf() {
1851 case $1 in
1852 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1853 esac
1854 }
1855
1856 EXESUF=$(exesuf $target_os)
1857 HOSTEXESUF=$(exesuf $host_os)
1858
1859 # set temporary file name
1860 : ${TMPDIR:=$TEMPDIR}
1861 : ${TMPDIR:=$TMP}
1862 : ${TMPDIR:=/tmp}
1863
1864 if ! check_cmd mktemp -u XXXXXX; then
1865 # simple replacement for missing mktemp
1866 # NOT SAFE FOR GENERAL USE
1867 mktemp(){
1868 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1869 }
1870 fi
1871
1872 tmpfile(){
1873 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1874 (set -C; exec > $tmp) 2>/dev/null ||
1875 die "Unable to create temporary file in $TMPDIR."
1876 append TMPFILES $tmp
1877 eval $1=$tmp
1878 }
1879
1880 trap 'rm -f -- $TMPFILES' EXIT
1881
1882 tmpfile TMPASM .asm
1883 tmpfile TMPC .c
1884 tmpfile TMPE $EXESUF
1885 tmpfile TMPH .h
1886 tmpfile TMPO .o
1887 tmpfile TMPS .S
1888 tmpfile TMPSH .sh
1889 tmpfile TMPV .ver
1890
1891 unset -f mktemp
1892
1893 chmod +x $TMPE
1894
1895 # make sure we can execute files in $TMPDIR
1896 cat > $TMPSH 2>> $logfile <<EOF
1897 #! /bin/sh
1898 EOF
1899 chmod +x $TMPSH >> $logfile 2>&1
1900 if ! $TMPSH >> $logfile 2>&1; then
1901 cat <<EOF
1902 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1903 variable to another directory and make sure that it is not mounted noexec.
1904 EOF
1905 die "Sanity test failed."
1906 fi
1907
1908 filter_asflags=echo
1909 filter_cflags=echo
1910 filter_cppflags=echo
1911
1912 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1913 cc_type=llvm_gcc
1914 cc_version=__VERSION__
1915 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1916 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1917 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1918 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1919 speed_cflags='-O3'
1920 size_cflags='-Os'
1921 elif $cc -v 2>&1 | grep -qi ^gcc; then
1922 cc_type=gcc
1923 cc_version=__VERSION__
1924 gcc_version=$($cc --version | head -n1)
1925 gcc_basever=$($cc -dumpversion)
1926 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1927 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1928 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1929 if ! $cc -dumpversion | grep -q '^2\.'; then
1930 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1931 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1932 fi
1933 speed_cflags='-O3'
1934 size_cflags='-Os'
1935 elif $cc --version 2>/dev/null | grep -q Intel; then
1936 cc_type=icc
1937 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1938 cc_ident=$($cc --version | head -n1)
1939 icc_version=$($cc -dumpversion)
1940 CC_DEPFLAGS='-MMD'
1941 AS_DEPFLAGS='-MMD'
1942 speed_cflags='-O3'
1943 size_cflags='-Os'
1944 noopt_cflags='-O1'
1945 elif $cc -v 2>&1 | grep -q xlc; then
1946 cc_type=xlc
1947 cc_version="AV_STRINGIFY(__IBMC__)"
1948 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1949 speed_cflags='-O5'
1950 size_cflags='-O5 -qcompact'
1951 elif $cc -V 2>/dev/null | grep -q Compaq; then
1952 cc_type=ccc
1953 cc_version="AV_STRINGIFY(__DECC_VER)"
1954 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1955 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1956 debuglevel=3
1957 add_ldflags -Wl,-z,now # calls to libots crash without this
1958 speed_cflags='-fast'
1959 size_cflags='-O1'
1960 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1961 test -d "$sysroot" || die "No valid sysroot specified."
1962 cc_type=armcc
1963 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1964 cc_ident=$($cc --vsn | head -n1)
1965 armcc_conf="$PWD/armcc.conf"
1966 $cc --arm_linux_configure \
1967 --arm_linux_config_file="$armcc_conf" \
1968 --configure_sysroot="$sysroot" \
1969 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1970 die "Error creating armcc configuration file."
1971 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1972 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1973 as_default="${cross_prefix}gcc"
1974 CC_DEPFLAGS='-MMD'
1975 AS_DEPFLAGS='-MMD'
1976 speed_cflags='-O3'
1977 size_cflags='-Os'
1978 filter_asflags="filter_out -W${armcc_opt}*"
1979 elif $cc -version 2>/dev/null | grep -q TMS470; then
1980 cc_type=tms470
1981 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1982 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1983 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1984 CC_O='-fr=$(@D)'
1985 as_default="${cross_prefix}gcc"
1986 ld_default="${cross_prefix}gcc"
1987 TMPO=$(basename $TMPC .c).o
1988 append TMPFILES $TMPO
1989 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1990 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1991 AS_DEPFLAGS='-MMD'
1992 speed_cflags='-O3 -mf=5'
1993 size_cflags='-O3 -mf=2'
1994 filter_cflags=tms470_flags
1995 tms470_flags(){
1996 for flag; do
1997 case $flag in
1998 -march=*|-mcpu=*)
1999 case "${flag#*=}" in
2000 armv7-a|cortex-a*) echo -mv=7a8 ;;
2001 armv7-r|cortex-r*) echo -mv=7r4 ;;
2002 armv7-m|cortex-m*) echo -mv=7m3 ;;
2003 armv6*|arm11*) echo -mv=6 ;;
2004 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2005 echo -mv=5e ;;
2006 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2007 esac
2008 ;;
2009 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2010 -mfpu=vfp) echo --float_support=vfpv2 ;;
2011 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2012 -msoft-float) echo --float_support=vfplib ;;
2013 -O[0-3]|-mf=*) echo $flag ;;
2014 -g) echo -g -mn ;;
2015 -pds=*) echo $flag ;;
2016 esac
2017 done
2018 }
2019 elif $cc -v 2>&1 | grep -q clang; then
2020 cc_type=clang
2021 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2022 cc_version=__clang_version__ || cc_version=__VERSION__
2023 cc_ident=$($cc --version | head -n1)
2024 CC_DEPFLAGS='-MMD'
2025 AS_DEPFLAGS='-MMD'
2026 speed_cflags='-O3'
2027 size_cflags='-Os'
2028 elif $cc -V 2>&1 | grep -q Sun; then
2029 cc_type=suncc
2030 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2031 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2032 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2033 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2034 add_ldflags -xc99
2035 speed_cflags='-O5'
2036 size_cflags='-O5 -xspace'
2037 filter_cflags=suncc_flags
2038 suncc_flags(){
2039 for flag; do
2040 case $flag in
2041 -march=*|-mcpu=*)
2042 case "${flag#*=}" in
2043 native) echo -xtarget=native ;;
2044 v9|niagara) echo -xarch=sparc ;;
2045 ultrasparc) echo -xarch=sparcvis ;;
2046 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2047 i586|pentium) echo -xchip=pentium ;;
2048 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2049 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2050 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2051 pentium4*) echo -xtarget=pentium4 ;;
2052 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2053 *-sse3) echo -xarch=sse3 ;;
2054 core2) echo -xarch=ssse3 -xchip=core2 ;;
2055 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2056 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2057 k8|opteron|athlon64|athlon-fx)
2058 echo -xarch=sse2a ;;
2059 athlon*) echo -xarch=pentium_proa ;;
2060 esac
2061 ;;
2062 -std=c99) echo -xc99 ;;
2063 -fomit-frame-pointer) echo -xregs=frameptr ;;
2064 -fPIC) echo -KPIC -xcode=pic32 ;;
2065 -W*,*) echo $flag ;;
2066 -f*-*|-W*) ;;
2067 *) echo $flag ;;
2068 esac
2069 done
2070 }
2071 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2072 cc_type=pathscale
2073 cc_version=__PATHSCALE__
2074 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2075 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2076 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2077 speed_cflags='-O2'
2078 size_cflags='-Os'
2079 filter_cflags='filter_out -Wdisabled-optimization'
2080 elif $cc -v 2>&1 | grep -q Open64; then
2081 cc_type=open64
2082 cc_version=__OPEN64__
2083 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2084 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2085 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2086 speed_cflags='-O2'
2087 size_cflags='-Os'
2088 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2089 elif $cc -V 2>&1 | grep -q Portland; then
2090 cc_type=pgi
2091 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2092 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2093 opt_common='-alias=ansi -Mlre -Mpre'
2094 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2095 size_cflags="-O2 -Munroll=c:1 $opt_common"
2096 noopt_cflags="-O1"
2097 filter_cflags=pgi_flags
2098 pgi_flags(){
2099 for flag; do
2100 case $flag in
2101 -fomit-frame-pointer) echo -Mnoframe ;;
2102 -g) echo -gopt ;;
2103 *) echo $flag ;;
2104 esac
2105 done
2106 }
2107 fi
2108
2109 test -n "$cc_type" && enable $cc_type ||
2110 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2111
2112 : ${as_default:=$cc}
2113 : ${dep_cc_default:=$cc}
2114 : ${ld_default:=$cc}
2115 set_default ar as dep_cc ld
2116
2117 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2118 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2119
2120 add_cflags $extra_cflags
2121 add_asflags $extra_cflags
2122
2123 if test -n "$sysroot"; then
2124 case "$cc_type" in
2125 gcc|llvm_gcc|clang)
2126 add_cppflags --sysroot="$sysroot"
2127 add_ldflags --sysroot="$sysroot"
2128 ;;
2129 tms470)
2130 add_cppflags -I"$sysinclude"
2131 add_ldflags --sysroot="$sysroot"
2132 ;;
2133 esac
2134 fi
2135
2136 if test "$cpu" = host; then
2137 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2138
2139 case "$cc_type" in
2140 gcc|llvm_gcc)
2141 check_native(){
2142 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2143 sed -n "/cc1.*$1=/{
2144 s/.*$1=\\([^ ]*\\).*/\\1/
2145 p
2146 q
2147 }" $TMPE
2148 }
2149 cpu=$(check_native -march || check_native -mcpu)
2150 ;;
2151 esac
2152
2153 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2154 fi
2155
2156 # Deal with common $arch aliases
2157 case "$arch" in
2158 arm*)
2159 arch="arm"
2160 ;;
2161 mips|mipsel|IP*)
2162 arch="mips"
2163 ;;
2164 mips64*)
2165 arch="mips"
2166 subarch="mips64"
2167 ;;
2168 parisc|hppa)
2169 arch="parisc"
2170 ;;
2171 parisc64|hppa64)
2172 arch="parisc"
2173 subarch="parisc64"
2174 ;;
2175 "Power Macintosh"|ppc|powerpc)
2176 arch="ppc"
2177 ;;
2178 ppc64|powerpc64)
2179 arch="ppc"
2180 subarch="ppc64"
2181 ;;
2182 s390|s390x)
2183 arch="s390"
2184 ;;
2185 sh4|sh)
2186 arch="sh4"
2187 ;;
2188 sun4u|sparc64)
2189 arch="sparc"
2190 subarch="sparc64"
2191 ;;
2192 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2193 arch="x86"
2194 ;;
2195 esac
2196
2197 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2198 enable $arch
2199
2200 # Add processor-specific flags
2201 if test "$cpu" = generic; then
2202 : do nothing
2203 elif enabled ppc; then
2204
2205 case $(tolower $cpu) in
2206 601|ppc601|powerpc601)
2207 cpuflags="-mcpu=601"
2208 disable altivec
2209 ;;
2210 603*|ppc603*|powerpc603*)
2211 cpuflags="-mcpu=603"
2212 disable altivec
2213 ;;
2214 604*|ppc604*|powerpc604*)
2215 cpuflags="-mcpu=604"
2216 disable altivec
2217 ;;
2218 g3|75*|ppc75*|powerpc75*)
2219 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2220 disable altivec
2221 ;;
2222 g4|745*|ppc745*|powerpc745*)
2223 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2224 ;;
2225 74*|ppc74*|powerpc74*)
2226 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2227 ;;
2228 g5|970|ppc970|powerpc970)
2229 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2230 ;;
2231 power[3-7]*)
2232 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2233 ;;
2234 cell)
2235 cpuflags="-mcpu=cell"
2236 enable ldbrx
2237 ;;
2238 e500v2)
2239 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2240 disable altivec
2241 ;;
2242 e500)
2243 cpuflags="-mcpu=8540 -mhard-float"
2244 disable altivec
2245 ;;
2246 esac
2247
2248 elif enabled x86; then
2249
2250 case $cpu in
2251 i[345]86|pentium)
2252 cpuflags="-march=$cpu"
2253 disable mmx
2254 ;;
2255 # targets that do NOT support conditional mov (cmov)
2256 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2257 cpuflags="-march=$cpu"
2258 disable cmov
2259 ;;
2260 # targets that do support conditional mov (cmov)
2261 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2262 cpuflags="-march=$cpu"
2263 enable cmov
2264 enable fast_cmov
2265 ;;
2266 # targets that do support conditional mov but on which it's slow
2267 pentium4|pentium4m|prescott|nocona)
2268 cpuflags="-march=$cpu"
2269 enable cmov
2270 disable fast_cmov
2271 ;;
2272 esac
2273
2274 elif enabled sparc; then
2275
2276 case $cpu in
2277 niagara)
2278 cpuflags="-mcpu=$cpu"
2279 disable vis
2280 ;;
2281 sparc64)
2282 cpuflags="-mcpu=v9"
2283 ;;
2284 esac
2285
2286 elif enabled arm; then
2287
2288 case $cpu in
2289 armv*)
2290 cpuflags="-march=$cpu"
2291 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2292 ;;
2293 *)
2294 cpuflags="-mcpu=$cpu"
2295 case $cpu in
2296 cortex-a*) subarch=armv7a ;;
2297 cortex-r*) subarch=armv7r ;;
2298 cortex-m*) enable thumb; subarch=armv7m ;;
2299 arm11*) subarch=armv6 ;;
2300 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2301 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2302 esac
2303 ;;
2304 esac
2305
2306 elif enabled alpha; then
2307
2308 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2309
2310 elif enabled bfin; then
2311
2312 cpuflags="-mcpu=$cpu"
2313
2314 elif enabled mips; then
2315
2316 cpuflags="-march=$cpu"
2317
2318 elif enabled avr32; then
2319
2320 case $cpu in
2321 ap7[02]0[0-2])
2322 subarch="avr32_ap"
2323 cpuflags="-mpart=$cpu"
2324 ;;
2325 ap)
2326 subarch="avr32_ap"
2327 cpuflags="-march=$cpu"
2328 ;;
2329 uc3[ab]*)
2330 subarch="avr32_uc"
2331 cpuflags="-mcpu=$cpu"
2332 ;;
2333 uc)
2334 subarch="avr32_uc"
2335 cpuflags="-march=$cpu"
2336 ;;
2337 esac
2338
2339 fi
2340
2341 add_cflags $cpuflags
2342 add_asflags $cpuflags
2343
2344 # compiler sanity check
2345 check_exec <<EOF
2346 int main(void){ return 0; }
2347 EOF
2348 if test "$?" != 0; then
2349 echo "$cc is unable to create an executable file."
2350 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2351 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2352 echo "Only do this if you know what cross compiling means."
2353 fi
2354 die "C compiler test failed."
2355 fi
2356
2357 add_cppflags -D_ISOC99_SOURCE
2358 check_cflags -std=c99
2359 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2360 #include <stdlib.h>
2361 EOF
2362 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2363 #include <stdlib.h>
2364 EOF
2365
2366 check_host_cflags -std=c99
2367 check_host_cflags -Wall
2368
2369 case "$arch" in
2370 alpha|ia64|mips|parisc|sparc)
2371 spic=$shared
2372 ;;
2373 x86)
2374 subarch="x86_32"
2375 check_cc <<EOF && subarch="x86_64"
2376 int test[(int)sizeof(char*) - 7];
2377 EOF
2378 if test "$subarch" = "x86_64"; then
2379 spic=$shared
2380 fi
2381 ;;
2382 esac
2383
2384 enable $subarch
2385 enabled spic && enable pic
2386
2387 # OS specific
2388 case $target_os in
2389 haiku)
2390 prefix_default="/boot/common"
2391 network_extralibs="-lnetwork"
2392 host_libs=
2393 ;;
2394 sunos)
2395 AVSERVERLDFLAGS=""
2396 SHFLAGS='-shared -Wl,-h,$$(@F)'
2397 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2398 network_extralibs="-lsocket -lnsl"
2399 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2400 # When using suncc to build, the Solaris linker will mark
2401 # an executable with each instruction set encountered by
2402 # the Solaris assembler. As our libraries contain their own
2403 # guards for processor-specific code, instead suppress
2404 # generation of the HWCAPS ELF section on Solaris x86 only.
2405 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2406 nm_opts='-P -g'
2407 ;;
2408 netbsd)
2409 disable symver
2410 oss_indev_extralibs="-lossaudio"
2411 oss_outdev_extralibs="-lossaudio"
2412 ;;
2413 openbsd)
2414 # On OpenBSD 4.5. the compiler does not use PIC unless
2415 # explicitly using -fPIC. Libav builds fine without PIC,
2416 # however the generated executable will not do anything
2417 # (simply quits with exit-code 1, no crash, no output).
2418 # Thus explicitly enable PIC here.
2419 enable pic
2420 disable symver
2421 SHFLAGS='-shared'
2422 oss_indev_extralibs="-lossaudio"
2423 oss_outdev_extralibs="-lossaudio"
2424 ;;
2425 dragonfly)
2426 disable symver
2427 ;;
2428 freebsd)
2429 ;;
2430 bsd/os)
2431 add_extralibs -lpoll -lgnugetopt
2432 ;;
2433 darwin)
2434 gas="gas-preprocessor.pl $cc"
2435 enabled ppc && add_asflags -force_cpusubtype_ALL
2436 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2437 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2438 add_ldflags -Wl,-dynamic,-search_paths_first
2439 SLIBSUF=".dylib"
2440 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2441 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2442 AVSERVERLDFLAGS=-Wl,-bind_at_load
2443 objformat="macho"
2444 enabled x86_64 && objformat="macho64"
2445 enabled_any pic shared ||
2446 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2447 ;;
2448 mingw32*)
2449 if test $target_os = "mingw32ce"; then
2450 disable network
2451 else
2452 target_os=mingw32
2453 fi
2454 LIBTARGET=i386
2455 if enabled x86_64; then
2456 LIBTARGET="i386:x86-64"
2457 elif enabled arm; then
2458 LIBTARGET=arm-wince
2459 fi
2460 shlibdir_default="$bindir_default"
2461 SLIBPREF=""
2462 SLIBSUF=".dll"
2463 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2464 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2465 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2466 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2467 SLIB_INSTALL_LINKS=
2468 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2469 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2470 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'
2471 objformat="win32"
2472 dlltool="${cross_prefix}dlltool"
2473 enable dos_paths
2474 check_cflags -fno-common
2475 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2476 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2477 die "ERROR: MinGW runtime version must be >= 3.15."
2478 add_cppflags -U__STRICT_ANSI__
2479 ;;
2480 cygwin*)
2481 target_os=cygwin
2482 shlibdir_default="$bindir_default"
2483 SLIBPREF="cyg"
2484 SLIBSUF=".dll"
2485 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2486 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2487 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2488 objformat="win32"
2489 enable dos_paths
2490 check_cflags -fno-common
2491 add_cppflags -U__STRICT_ANSI__
2492 ;;
2493 *-dos|freedos|opendos)
2494 network_extralibs="-lsocket"
2495 objformat="coff"
2496 enable dos_paths
2497 add_cppflags -U__STRICT_ANSI__
2498 ;;
2499 linux)
2500 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2501 enable dv1394
2502 ;;
2503 irix*)
2504 target_os=irix
2505 ranlib="echo ignoring ranlib"
2506 ;;
2507 os/2*)
2508 ln_s="cp -f"
2509 objformat="aout"
2510 add_cppflags -D_GNU_SOURCE
2511 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2512 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2513 AVSERVERLDFLAGS=""
2514 LIBSUF="_s.a"
2515 SLIBPREF=""
2516 SLIBSUF=".dll"
2517 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2518 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2519 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2520 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2521 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2522 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2523 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2524 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2525 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2526 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2527 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2528 enable dos_paths
2529 ;;
2530 gnu/kfreebsd)
2531 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2532 ;;
2533 gnu)
2534 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2535 ;;
2536 qnx)
2537 add_cppflags -D_QNX_SOURCE
2538 network_extralibs="-lsocket"
2539 ;;
2540 symbian)
2541 SLIBSUF=".dll"
2542 enable dos_paths
2543 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2544 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2545 add_ldflags -Wl,--target1-abs,--no-undefined \
2546 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2547 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2548 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2549 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2550 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2551 ;;
2552 none)
2553 ;;
2554 *)
2555 die "Unknown OS '$target_os'."
2556 ;;
2557 esac
2558
2559 esc(){
2560 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2561 }
2562
2563 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2564
2565 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2566
2567 set_default $PATHS_LIST
2568
2569 # we need to build at least one lib type
2570 if ! enabled_any static shared; then
2571 cat <<EOF
2572 At least one library type must be built.
2573 Specify --enable-static to build the static libraries or --enable-shared to
2574 build the shared libraries as well. To only build the shared libraries specify
2575 --disable-static in addition to --enable-shared.
2576 EOF
2577 exit 1;
2578 fi
2579
2580 die_license_disabled() {
2581 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2582 }
2583
2584 die_license_disabled gpl libcdio
2585 die_license_disabled gpl libx264
2586 die_license_disabled gpl libxavs
2587 die_license_disabled gpl libxvid
2588 die_license_disabled gpl x11grab
2589
2590 die_license_disabled nonfree libfaac
2591 die_license_disabled nonfree openssl
2592
2593 die_license_disabled version3 libopencore_amrnb
2594 die_license_disabled version3 libopencore_amrwb
2595 die_license_disabled version3 libvo_aacenc
2596 die_license_disabled version3 libvo_amrwbenc
2597
2598 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2599
2600 disabled optimizations || check_cflags -fomit-frame-pointer
2601
2602 enable_pic() {
2603 enable pic
2604 add_cppflags -DPIC
2605 add_cflags -fPIC
2606 add_asflags -fPIC
2607 }
2608
2609 enabled pic && enable_pic
2610
2611 check_cc <<EOF || die "Symbol mangling check failed."
2612 int ff_extern;
2613 EOF
2614 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2615 extern_prefix=${sym%%ff_extern*}
2616
2617 check_cc <<EOF && enable inline_asm
2618 void foo(void) { __asm__ volatile ("" ::); }
2619 EOF
2620
2621 _restrict=
2622 for restrict_keyword in restrict __restrict__ __restrict; do
2623 check_cc <<EOF && _restrict=$restrict_keyword && break
2624 void foo(char * $restrict_keyword p);
2625 EOF
2626 done
2627
2628 check_cc <<EOF && enable attribute_packed
2629 struct { int x; } __attribute__((packed)) x;
2630 EOF
2631
2632 check_cc <<EOF && enable attribute_may_alias
2633 union { int x; } __attribute__((may_alias)) x;
2634 EOF
2635
2636 check_cc <<EOF || die "endian test failed"
2637 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2638 EOF
2639 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2640
2641 if enabled alpha; then
2642
2643 check_cflags -mieee
2644
2645 elif enabled arm; then
2646
2647 enabled thumb && check_cflags -mthumb || check_cflags -marm
2648 nogas=die
2649
2650 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2651 enable vfp_args
2652 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2653 case "${cross_prefix:-$cc}" in
2654 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2655 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2656 __asm__ (".eabi_attribute 28, 1");
2657 int main(void) { return 0; }
2658 EOF
2659 esac
2660 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2661 fi
2662
2663 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2664 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2665 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2666 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2667 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2668 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2669
2670 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2671
2672 enabled_all armv6t2 shared !pic && enable_pic
2673
2674 elif enabled mips; then
2675
2676 check_asm loongson '"dmult.g $1, $2, $3"'
2677 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2678
2679 elif enabled ppc; then
2680
2681 enable local_aligned_8 local_aligned_16
2682
2683 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2684 check_asm ibm_asm '"add 0, 0, 0"'
2685 check_asm ppc4xx '"maclhw r10, r11, r12"'
2686 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2687
2688 # AltiVec flags: The FSF version of GCC differs from the Apple version
2689 if enabled altivec; then
2690 nogas=warn
2691 check_cflags -maltivec -mabi=altivec &&
2692 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2693 check_cflags -faltivec
2694
2695 # check if our compiler supports Motorola AltiVec C API
2696 check_cc <<EOF || disable altivec
2697 $inc_altivec_h
2698 int main(void) {
2699 vector signed int v1, v2, v3;
2700 v1 = vec_add(v2,v3);
2701 return 0;
2702 }
2703 EOF
2704
2705 # check if our compiler supports braces for vector declarations
2706 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2707 $inc_altivec_h
2708 int main (void) { (vector int) {1}; return 0; }
2709 EOF
2710 fi
2711
2712 elif enabled sparc; then
2713
2714 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2715 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2716
2717 elif enabled x86; then
2718
2719 enable local_aligned_8 local_aligned_16
2720
2721 # check whether EBP is available on x86
2722 # As 'i' is stored on the stack, this program will crash
2723 # if the base pointer is used to access it because the
2724 # base pointer is cleared in the inline assembly code.
2725 check_exec_crash <<EOF && enable ebp_available
2726 volatile int i=0;
2727 __asm__ volatile (
2728 "xorl %%ebp, %%ebp"
2729 ::: "%ebp");
2730 return i;
2731 EOF
2732
2733 # check whether EBX is available on x86
2734 check_asm ebx_available '""::"b"(0)' &&
2735 check_asm ebx_available '"":::"%ebx"'
2736
2737 # check whether xmm clobbers are supported
2738 check_asm xmm_clobbers '"":::"%xmm0"'
2739
2740 # check whether binutils is new enough to compile SSSE3/MMX2
2741 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2742 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2743
2744 if ! disabled_any asm mmx yasm; then
2745 if check_cmd $yasmexe --version; then
2746 enabled x86_64 && yasm_extra="-m amd64"
2747 yasm_debug="-g dwarf2"
2748 elif check_cmd nasm -v; then
2749 yasmexe=nasm
2750 yasm_debug="-g -F dwarf"
2751 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2752 fi
2753
2754 YASMFLAGS="-f $objformat $yasm_extra"
2755 enabled pic && append YASMFLAGS "-DPIC"
2756 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2757 case "$objformat" in
2758 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2759 esac
2760
2761 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2762 die "yasm not found, use --disable-yasm for a crippled build"
2763 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2764 fi
2765
2766 case "$cpu" in
2767 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2768 disable fast_clz
2769 ;;
2770 esac
2771
2772 fi
2773
2774 if enabled asm; then
2775 as=${gas:=$as}
2776 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2777 $nogas "GNU assembler not found, install gas-preprocessor"
2778 fi
2779
2780 check_ldflags -Wl,--as-needed
2781
2782 if check_func dlopen; then
2783 ldl=
2784 elif check_func dlopen -ldl; then
2785 ldl=-ldl
2786 fi
2787
2788 if enabled network; then
2789 check_type "sys/types.h sys/socket.h" socklen_t
2790 check_type netdb.h "struct addrinfo"
2791 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2792 check_type netinet/in.h "struct sockaddr_in6"
2793 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2794 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2795 check_header netinet/sctp.h
2796 # Prefer arpa/inet.h over winsock2
2797 if check_header arpa/inet.h ; then
2798 check_func closesocket
2799 elif check_header winsock2.h ; then
2800 check_func_headers winsock2.h closesocket -lws2 && \
2801 network_extralibs="-lws2" || \
2802 { check_func_headers winsock2.h closesocket -lws2_32 && \
2803 network_extralibs="-lws2_32"; }
2804 check_type ws2tcpip.h socklen_t
2805 check_type ws2tcpip.h "struct addrinfo"
2806 check_type ws2tcpip.h "struct ipv6_mreq"
2807 check_type ws2tcpip.h "struct sockaddr_in6"
2808 check_type ws2tcpip.h "struct sockaddr_storage"
2809 check_struct winsock2.h "struct sockaddr" sa_len
2810 else
2811 disable network
2812 fi
2813 fi
2814
2815 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2816 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2817
2818 check_func fcntl
2819 check_func fork
2820 check_func getaddrinfo $network_extralibs
2821 check_func gethrtime
2822 check_func getrusage
2823 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2824 check_func inet_aton $network_extralibs
2825 check_func isatty
2826 check_func localtime_r
2827 check_func ${malloc_prefix}memalign && enable memalign
2828 check_func mkstemp
2829 check_func mmap
2830 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2831 check_func setrlimit
2832 check_func strerror_r
2833 check_func strptime
2834 check_func strtok_r
2835 check_func sched_getaffinity
2836 check_func sysconf
2837 check_func sysctl
2838 check_func_headers io.h setmode
2839 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2840 check_func_headers windows.h GetProcessAffinityMask
2841 check_func_headers windows.h GetProcessTimes
2842 check_func_headers windows.h MapViewOfFile
2843 check_func_headers windows.h VirtualAlloc
2844
2845 check_header dlfcn.h
2846 check_header dxva2api.h
2847 check_header malloc.h
2848 check_header poll.h
2849 check_header sys/mman.h
2850 check_header sys/param.h
2851 check_header sys/resource.h
2852 check_header sys/select.h
2853 check_header vdpau/vdpau.h
2854 check_header vdpau/vdpau_x11.h
2855 check_header X11/extensions/XvMClib.h
2856
2857 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2858 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2859
2860 if ! disabled w32threads && ! enabled pthreads; then
2861 check_func _beginthreadex && enable w32threads
2862 fi
2863
2864 # check for some common methods of building with pthread support
2865 # do this before the optional library checks as some of them require pthreads
2866 if ! disabled pthreads && ! enabled w32threads; then
2867 enable pthreads
2868 if check_func pthread_create; then
2869 :
2870 elif check_func pthread_create -pthread; then
2871 add_cflags -pthread
2872 add_extralibs -pthread
2873 elif check_func pthread_create -pthreads; then
2874 add_cflags -pthreads
2875 add_extralibs -pthreads
2876 elif check_func pthread_create -lpthreadGC2; then
2877 add_extralibs -lpthreadGC2
2878 elif ! check_lib pthread.h pthread_create -lpthread; then
2879 disable pthreads
2880 fi
2881 fi
2882
2883 for thread in $THREADS_LIST; do
2884 if enabled $thread; then
2885 test -n "$thread_type" &&
2886 die "ERROR: Only one thread type must be selected." ||
2887 thread_type="$thread"
2888 fi
2889 done
2890
2891 check_lib math.h sin -lm && LIBM="-lm"
2892 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2893
2894 check_mathfunc exp2
2895 check_mathfunc exp2f
2896 check_mathfunc llrint
2897 check_mathfunc llrintf
2898 check_mathfunc log2
2899 check_mathfunc log2f
2900 check_mathfunc lrint
2901 check_mathfunc lrintf
2902 check_mathfunc round
2903 check_mathfunc roundf
2904 check_mathfunc trunc
2905 check_mathfunc truncf
2906
2907 # these are off by default, so fail if requested and not available
2908 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2909 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2910 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2911 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2912 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2913 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2914 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2915 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2916 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2917 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2918 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2919 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2920 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2921 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2922 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2923 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2924 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2925 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2926 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2927 enabled libvpx && {
2928 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2929 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2930 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2931 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2932 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2933 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2934 die "ERROR: libx264 version must be >= 0.118."; }
2935 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2936 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2937 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2938 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2939 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2940 die "ERROR: openssl not found"; }
2941
2942 # libdc1394 check
2943 if enabled libdc1394; then
2944 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2945 enable libdc1394_2; } ||
2946 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2947 enable libdc1394_1; } ||
2948 die "ERROR: No version of libdc1394 found "
2949 fi
2950
2951 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2952 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2953 enable sdl &&
2954 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2955 fi
2956
2957 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2958
2959 check_header linux/fb.h
2960 check_header linux/videodev2.h
2961 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2962
2963 check_header sys/videoio.h
2964
2965 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2966 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2967 # w32api 3.12 had it defined wrong
2968 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2969
2970 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2971 { check_header dev/bktr/ioctl_meteor.h &&
2972 check_header dev/bktr/ioctl_bt848.h; } ||
2973 { check_header machine/ioctl_meteor.h &&
2974 check_header machine/ioctl_bt848.h; } ||
2975 { check_header dev/video/meteor/ioctl_meteor.h &&
2976 check_header dev/video/bktr/ioctl_bt848.h; } ||
2977 check_header dev/ic/bt8xx.h
2978
2979 check_header sndio.h
2980 check_header sys/soundcard.h
2981 check_header soundcard.h
2982
2983 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2984
2985 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2986
2987 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2988
2989 enabled libcdio &&
2990 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2991
2992 enabled x11grab &&
2993 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
2994 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
2995 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
2996
2997 # check for VDA header
2998 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
2999 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3000 fi
3001
3002 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3003 check_cpp_condition \
3004 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3005 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3006 disable vdpau; }
3007 fi
3008
3009 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3010
3011 # add some useful compiler flags if supported
3012 check_cflags -Wdeclaration-after-statement
3013 check_cflags -Wall
3014 check_cflags -Wno-parentheses
3015 check_cflags -Wno-switch
3016 check_cflags -Wno-format-zero-length
3017 check_cflags -Wdisabled-optimization
3018 check_cflags -Wpointer-arith
3019 check_cflags -Wredundant-decls
3020 check_cflags -Wno-pointer-sign
3021 check_cflags -Wcast-qual
3022 check_cflags -Wwrite-strings
3023 check_cflags -Wtype-limits
3024 check_cflags -Wundef
3025 check_cflags -Wmissing-prototypes
3026 check_cflags -Wstrict-prototypes
3027 enabled extra_warnings && check_cflags -Winline
3028
3029 # add some linker flags
3030 check_ldflags -Wl,--warn-common
3031 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3032 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3033
3034 enabled xmm_clobber_test && \
3035 check_ldflags -Wl,--wrap,avcodec_open2 \
3036 -Wl,--wrap,avcodec_decode_audio4 \
3037 -Wl,--wrap,avcodec_decode_video2 \
3038 -Wl,--wrap,avcodec_decode_subtitle2 \
3039 -Wl,--wrap,avcodec_encode_audio2 \
3040 -Wl,--wrap,avcodec_encode_video \
3041 -Wl,--wrap,avcodec_encode_subtitle \
3042 -Wl,--wrap,sws_scale || \
3043 disable xmm_clobber_test
3044
3045 echo "X{};" > $TMPV
3046 if test_ldflags -Wl,--version-script,$TMPV; then
3047 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3048 check_cc <<EOF && enable symver_asm_label
3049 void ff_foo(void) __asm__ ("av_foo@VERSION");
3050 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3051 EOF
3052 check_cc <<EOF && enable symver_gnu_asm
3053 __asm__(".symver ff_foo,av_foo@VERSION");
3054 void ff_foo(void) {}
3055 EOF
3056 fi
3057
3058 if [ -n "$optflags" ]; then
3059 add_cflags $optflags
3060 elif enabled small; then
3061 add_cflags $size_cflags
3062 elif enabled optimizations; then
3063 add_cflags $speed_cflags
3064 else
3065 add_cflags $noopt_cflags
3066 fi
3067 check_cflags -fno-math-errno
3068 check_cflags -fno-signed-zeros
3069
3070 if enabled icc; then
3071 # Just warnings, no remarks
3072 check_cflags -w1
3073 # -wd: Disable following warnings
3074 # 144, 167, 556: -Wno-pointer-sign
3075 # 1292: attribute "foo" ignored
3076 # 1419: external declaration in primary source file
3077 # 10006: ignoring unknown option -fno-signed-zeros
3078 # 10148: ignoring unknown option -Wno-parentheses
3079 # 10156: ignoring option '-W'; no argument required
3080 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3081 # 11030: Warning unknown option --as-needed
3082 # 10156: ignoring option '-export'; no argument required
3083 check_ldflags -wd10156,11030
3084 # Allow to compile with optimizations
3085 check_ldflags -march=$cpu
3086 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3087 enable ebp_available
3088 if enabled x86_32; then
3089 test ${icc_version%%.*} -ge 11 && \
3090 check_cflags -falign-stack=maintain-16-byte || \
3091 disable aligned_stack
3092 fi
3093 elif enabled ccc; then
3094 # disable some annoying warnings
3095 add_cflags -msg_disable cvtu32to64
3096 add_cflags -msg_disable embedcomment
3097 add_cflags -msg_disable needconstext
3098 add_cflags -msg_disable nomainieee
3099 add_cflags -msg_disable ptrmismatch1
3100 add_cflags -msg_disable unreachcode
3101 elif enabled gcc; then
3102 check_cflags -fno-tree-vectorize
3103 check_cflags -Werror=implicit-function-declaration
3104 check_cflags -Werror=missing-prototypes
3105 check_cflags -Werror=declaration-after-statement
3106 elif enabled llvm_gcc; then
3107 check_cflags -mllvm -stack-alignment=16
3108 elif enabled clang; then
3109 check_cflags -mllvm -stack-alignment=16
3110 check_cflags -Qunused-arguments
3111 elif enabled armcc; then
3112 # 2523: use of inline assembler is deprecated
3113 add_cflags -W${armcc_opt},--diag_suppress=2523
3114 add_cflags -W${armcc_opt},--diag_suppress=1207
3115 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3116 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3117 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3118 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3119 elif enabled tms470; then
3120 add_cflags -pds=824 -pds=837
3121 elif enabled pathscale; then
3122 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3123 fi
3124
3125 enabled_any $THREADS_LIST && enable threads
3126
3127 check_deps $CONFIG_LIST \
3128 $CONFIG_EXTRA \
3129 $HAVE_LIST \
3130 $ALL_COMPONENTS \
3131 $ALL_TESTS \
3132
3133 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3134
3135 ! enabled_any memalign posix_memalign &&
3136 enabled_any $need_memalign && enable memalign_hack
3137
3138 echo "install prefix $prefix"
3139 echo "source path $source_path"
3140 echo "C compiler $cc"
3141 echo "ARCH $arch ($cpu)"
3142 if test "$build_suffix" != ""; then
3143 echo "build suffix $build_suffix"
3144 fi
3145 if test "$extra_version" != ""; then
3146 echo "version string suffix $extra_version"
3147 fi
3148 echo "big-endian ${bigendian-no}"
3149 echo "runtime cpu detection ${runtime_cpudetect-no}"
3150 if enabled x86; then
3151 echo "${yasmexe} ${yasm-no}"
3152 echo "MMX enabled ${mmx-no}"
3153 echo "MMX2 enabled ${mmx2-no}"
3154 echo "3DNow! enabled ${amd3dnow-no}"
3155 echo "3DNow! extended enabled ${amd3dnowext-no}"
3156 echo "SSE enabled ${sse-no}"
3157 echo "SSSE3 enabled ${ssse3-no}"
3158 echo "AVX enabled ${avx-no}"
3159 echo "CMOV enabled ${cmov-no}"
3160 echo "CMOV is fast ${fast_cmov-no}"
3161 echo "EBX available ${ebx_available-no}"
3162 echo "EBP available ${ebp_available-no}"
3163 fi
3164 if enabled arm; then
3165 echo "ARMv5TE enabled ${armv5te-no}"
3166 echo "ARMv6 enabled ${armv6-no}"
3167 echo "ARMv6T2 enabled ${armv6t2-no}"
3168 echo "ARM VFP enabled ${armvfp-no}"
3169 echo "NEON enabled ${neon-no}"
3170 fi
3171 if enabled mips; then
3172 echo "MMI enabled ${mmi-no}"
3173 fi
3174 if enabled ppc; then
3175 echo "AltiVec enabled ${altivec-no}"
3176 echo "PPC 4xx optimizations ${ppc4xx-no}"
3177 echo "dcbzl available ${dcbzl-no}"
3178 fi
3179 if enabled sparc; then
3180 echo "VIS enabled ${vis-no}"
3181 fi
3182 echo "debug symbols ${debug-no}"
3183 echo "optimize for size ${small-no}"
3184 echo "optimizations ${optimizations-no}"
3185 echo "static ${static-no}"
3186 echo "shared ${shared-no}"
3187 echo "new filter support ${avfilter-no}"
3188 echo "network support ${network-no}"
3189 echo "threading support ${thread_type-no}"
3190 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3191 echo "SDL support ${sdl-no}"
3192 echo "libdxva2 enabled ${dxva2-no}"
3193 echo "libva enabled ${vaapi-no}"
3194 echo "libvdpau enabled ${vdpau-no}"
3195 echo "AVISynth enabled ${avisynth-no}"
3196 echo "frei0r enabled ${frei0r-no}"
3197 echo "gnutls enabled ${gnutls-no}"
3198 echo "libcdio support ${libcdio-no}"
3199 echo "libdc1394 support ${libdc1394-no}"
3200 echo "libfaac enabled ${libfaac-no}"
3201 echo "libgsm enabled ${libgsm-no}"
3202 echo "libmp3lame enabled ${libmp3lame-no}"
3203 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3204 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3205 echo "libopencv support ${libopencv-no}"
3206 echo "libopenjpeg enabled ${libopenjpeg-no}"
3207 echo "libpulse enabled ${libpulse-no}"
3208 echo "librtmp enabled ${librtmp-no}"
3209 echo "libschroedinger enabled ${libschroedinger-no}"
3210 echo "libspeex enabled ${libspeex-no}"
3211 echo "libtheora enabled ${libtheora-no}"
3212 echo "libvo-aacenc support ${libvo_aacenc-no}"
3213 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3214 echo "libvorbis enabled ${libvorbis-no}"
3215 echo "libvpx enabled ${libvpx-no}"
3216 echo "libx264 enabled ${libx264-no}"
3217 echo "libxavs enabled ${libxavs-no}"
3218 echo "libxvid enabled ${libxvid-no}"
3219 echo "openssl enabled ${openssl-no}"
3220 echo "zlib enabled ${zlib-no}"
3221 echo "bzlib enabled ${bzlib-no}"
3222 echo
3223
3224 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3225 echo "Enabled ${type}s:"
3226 eval list=\$$(toupper $type)_LIST
3227 print_enabled '_*' $list | sort | pr -r -3 -t
3228 echo
3229 done
3230
3231 license="LGPL version 2.1 or later"
3232 if enabled nonfree; then
3233 license="nonfree and unredistributable"
3234 elif enabled gplv3; then
3235 license="GPL version 3 or later"
3236 elif enabled lgplv3; then
3237 license="LGPL version 3 or later"
3238 elif enabled gpl; then
3239 license="GPL version 2 or later"
3240 fi
3241
3242 echo "License: $license"
3243
3244 echo "Creating config.mak and config.h..."
3245
3246 test -e Makefile || $ln_s "$source_path/Makefile" .
3247
3248 config_files="$TMPH config.mak"
3249
3250 cat > config.mak <<EOF
3251 # Automatically generated by configure - do not modify!
3252 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3253 prefix=$prefix
3254 LIBDIR=\$(DESTDIR)$libdir
3255 SHLIBDIR=\$(DESTDIR)$shlibdir
3256 INCDIR=\$(DESTDIR)$incdir
3257 BINDIR=\$(DESTDIR)$bindir
3258 DATADIR=\$(DESTDIR)$datadir
3259 MANDIR=\$(DESTDIR)$mandir
3260 SRC_PATH=$source_path
3261 CC_IDENT=$cc_ident
3262 ARCH=$arch
3263 CC=$cc
3264 AS=$as
3265 LD=$ld
3266 DEPCC=$dep_cc
3267 YASM=$yasmexe
3268 YASMDEP=$yasmexe
3269 AR=$ar
3270 RANLIB=$ranlib
3271 LN_S=$ln_s
3272 CPPFLAGS=$CPPFLAGS
3273 CFLAGS=$CFLAGS
3274 ASFLAGS=$ASFLAGS
3275 AS_O=$CC_O
3276 CC_O=$CC_O
3277 DLLTOOL=$dlltool
3278 LDFLAGS=$LDFLAGS
3279 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3280 SHFLAGS=$SHFLAGS
3281 YASMFLAGS=$YASMFLAGS
3282 BUILDSUF=$build_suffix
3283 FULLNAME=$FULLNAME
3284 LIBPREF=$LIBPREF
3285 LIBSUF=$LIBSUF
3286 LIBNAME=$LIBNAME
3287 SLIBPREF=$SLIBPREF
3288 SLIBSUF=$SLIBSUF
3289 EXESUF=$EXESUF
3290 EXTRA_VERSION=$extra_version
3291 DEPFLAGS=$DEPFLAGS
3292 CCDEP=$CCDEP
3293 ASDEP=$ASDEP
3294 CC_DEPFLAGS=$CC_DEPFLAGS
3295 AS_DEPFLAGS=$AS_DEPFLAGS
3296 HOSTCC=$host_cc
3297 HOSTCFLAGS=$host_cflags
3298 HOSTEXESUF=$HOSTEXESUF
3299 HOSTLDFLAGS=$host_ldflags
3300 HOSTLIBS=$host_libs
3301 TARGET_EXEC=$target_exec
3302 TARGET_PATH=$target_path
3303 SDL_LIBS=$sdl_libs
3304 SDL_CFLAGS=$sdl_cflags
3305 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3306 EXTRALIBS=$extralibs
3307 INSTALL=install
3308 LIBTARGET=${LIBTARGET}
3309 SLIBNAME=${SLIBNAME}
3310 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3311 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3312 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3313 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3314 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3315 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3316 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3317 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3318 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3319 EOF
3320
3321 get_version(){
3322 name=$1
3323 file=$source_path/$2
3324 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3325 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3326 lcname=$(tolower $name)
3327 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3328 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3329 }
3330
3331 get_version LIBAVCODEC libavcodec/version.h
3332 get_version LIBAVDEVICE libavdevice/avdevice.h
3333 get_version LIBAVFILTER libavfilter/version.h
3334 get_version LIBAVFORMAT libavformat/version.h
3335 get_version LIBAVRESAMPLE libavresample/version.h
3336 get_version LIBAVUTIL libavutil/avutil.h
3337 get_version LIBSWSCALE libswscale/swscale.h
3338
3339 cat > $TMPH <<EOF
3340 /* Automatically generated by configure - do not modify! */
3341 #ifndef LIBAV_CONFIG_H
3342 #define LIBAV_CONFIG_H
3343 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3344 #define LIBAV_LICENSE "$(c_escape $license)"
3345 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3346 #define CC_TYPE "$cc_type"
3347 #define CC_VERSION $cc_version
3348 #define restrict $_restrict
3349 #define EXTERN_PREFIX "${extern_prefix}"
3350 #define EXTERN_ASM ${extern_prefix}
3351 #define SLIBSUF "$SLIBSUF"
3352 EOF
3353
3354 test -n "$malloc_prefix" &&
3355 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3356
3357 if enabled small || disabled optimizations; then
3358 echo "#undef av_always_inline" >> $TMPH
3359 if enabled small; then
3360 echo "#define av_always_inline inline" >> $TMPH
3361 else
3362 echo "#define av_always_inline av_unused" >> $TMPH
3363 fi
3364 fi
3365
3366 if enabled yasm; then
3367 append config_files $TMPASM
3368 printf '' >$TMPASM
3369 fi
3370
3371 print_config ARCH_ "$config_files" $ARCH_LIST
3372 print_config HAVE_ "$config_files" $HAVE_LIST
3373 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3374 $CONFIG_EXTRA \
3375 $ALL_COMPONENTS \
3376
3377 cat >>config.mak <<EOF
3378 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3379 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3380 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3381 EOF
3382
3383 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3384
3385 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3386 cp_if_changed $TMPH config.h
3387 touch .config
3388
3389 enabled yasm && cp_if_changed $TMPASM config.asm
3390
3391 cat > $TMPH <<EOF
3392 /* Generated by ffconf */
3393 #ifndef AVUTIL_AVCONFIG_H
3394 #define AVUTIL_AVCONFIG_H
3395 EOF
3396
3397 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3398
3399 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3400
3401 cp_if_changed $TMPH libavutil/avconfig.h
3402
3403 test -n "$WARNINGS" && printf "\n$WARNINGS"
3404
3405 # build pkg-config files
3406
3407 pkgconfig_generate(){
3408 name=$1
3409 shortname=${name#lib}${build_suffix}
3410 comment=$2
3411 version=$3
3412 libs=$4
3413 requires=$5
3414 enabled ${name#lib} || return 0
3415 mkdir -p $name
3416 cat <<EOF > $name/$name.pc
3417 prefix=$prefix
3418 exec_prefix=\${prefix}
3419 libdir=$libdir
3420 includedir=$incdir
3421
3422 Name: $name
3423 Description: $comment
3424 Version: $version
3425 Requires: $(enabled shared || echo $requires)
3426 Requires.private: $(enabled shared && echo $requires)
3427 Conflicts:
3428 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3429 Libs.private: $(enabled shared && echo $libs)
3430 Cflags: -I\${includedir}
3431 EOF
3432 cat <<EOF > $name/$name-uninstalled.pc
3433 prefix=
3434 exec_prefix=
3435 libdir=\${pcfiledir}
3436 includedir=${source_path}
3437
3438 Name: $name
3439 Description: $comment
3440 Version: $version
3441 Requires: $requires
3442 Conflicts:
3443 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3444 Cflags: -I\${includedir}
3445 EOF
3446 }
3447
3448 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3449 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3450 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3451 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3452 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3453 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3454 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"