x86: conditionally compile H.264 QPEL optimizations
[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-pthreads disable pthreads [auto]
114 --disable-w32threads disable Win32 threads [auto]
115 --enable-x11grab enable X11 grabbing [no]
116 --disable-network disable network support [no]
117 --disable-dct disable DCT code
118 --disable-fft disable FFT 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-libdirac enable Dirac support via libdirac [no]
176 --enable-libfaac enable FAAC support via libfaac [no]
177 --enable-libfreetype enable libfreetype [no]
178 --enable-libgsm enable GSM support via libgsm [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libnut enable NUT (de)muxing via libnut,
181 native (de)muxer exists [no]
182 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
183 --enable-libpulse enable Pulseaudio input via libpulse [no]
184 --enable-librtmp enable RTMP[E] support via librtmp [no]
185 --enable-libschroedinger enable Dirac support via libschroedinger [no]
186 --enable-libspeex enable Speex support via libspeex [no]
187 --enable-libtheora enable Theora encoding via libtheora [no]
188 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
189 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
190 --enable-libvorbis enable Vorbis encoding via libvorbis,
191 native implementation exists [no]
192 --enable-libvpx enable VP8 support via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-openssl enable openssl [no]
198 --enable-zlib enable zlib [autodetect]
199
200 Advanced options (experts only):
201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
209 --ar=AR use archive tool AR [$ar_default]
210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
212 --ld=LD use linker LD
213 --host-cc=HOSTCC use host C compiler HOSTCC
214 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
215 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
216 --host-libs=HLIBS use libs HLIBS when linking for host
217 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
218 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
219 --extra-libs=ELIBS add ELIBS [$ELIBS]
220 --extra-version=STRING version string suffix []
221 --optflags override optimization-related compiler flags
222 --build-suffix=SUFFIX library name suffix []
223 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
224 --arch=ARCH select architecture [$arch]
225 --cpu=CPU select the minimum required CPU (affects
226 instruction selection, may crash on older CPUs)
227 --enable-pic build position-independent code
228 --enable-sram allow use of on-chip SRAM
229 --disable-symver disable symbol versioning
230 --disable-fastdiv disable table-based division
231 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
232 --disable-safe-bitstream-reader
233 disable buffer boundary checking in bitreaders
234 (faster, but may crash)
235 --enable-memalign-hack emulate memalign, interferes with memory debuggers
236
237 Optimization options (experts only):
238 --disable-asm disable all assembler optimizations
239 --disable-altivec disable AltiVec optimizations
240 --disable-amd3dnow disable 3DNow! optimizations
241 --disable-amd3dnowext disable 3DNow! extended optimizations
242 --disable-mmx disable MMX optimizations
243 --disable-mmx2 disable MMX2 optimizations
244 --disable-sse disable SSE optimizations
245 --disable-ssse3 disable SSSE3 optimizations
246 --disable-avx disable AVX optimizations
247 --disable-armv5te disable armv5te optimizations
248 --disable-armv6 disable armv6 optimizations
249 --disable-armv6t2 disable armv6t2 optimizations
250 --disable-armvfp disable ARM VFP optimizations
251 --disable-mmi disable MMI optimizations
252 --disable-neon disable NEON optimizations
253 --disable-vis disable VIS optimizations
254 --disable-yasm disable use of yasm assembler
255
256 Developer options (useful when working on Libav itself):
257 --disable-debug disable debugging symbols
258 --enable-debug=LEVEL set the debug level [$debuglevel]
259 --disable-optimizations disable compiler optimizations
260 --enable-extra-warnings enable more compiler warnings
261 --samples=PATH location of test samples for FATE, if not set use
262 \$FATE_SAMPLES at make invocation time.
263 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
264 should be used only for debugging purposes)
265
266 NOTE: Object files are built at the place where configure is launched.
267 EOF
268 exit 0
269 }
270
271 quotes='""'
272
273 log(){
274 echo "$@" >> $logfile
275 }
276
277 log_file(){
278 log BEGIN $1
279 pr -n -t $1 >> $logfile
280 log END $1
281 }
282
283 echolog(){
284 log "$@"
285 echo "$@"
286 }
287
288 warn(){
289 log "WARNING: $*"
290 WARNINGS="${WARNINGS}WARNING: $*\n"
291 }
292
293 die(){
294 echolog "$@"
295 cat <<EOF
296
297 If you think configure made a mistake, make sure you are using the latest
298 version from Git. If the latest version fails, report the problem to the
299 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
300 EOF
301 if disabled logging; then
302 cat <<EOF
303 Rerun configure with logging enabled (do not use --disable-logging), and
304 include the log this produces with your report.
305 EOF
306 else
307 cat <<EOF
308 Include the log file "$logfile" produced by configure as this will help
309 solving the problem.
310 EOF
311 fi
312 exit 1
313 }
314
315 # Avoid locale weirdness, besides we really just want to translate ASCII.
316 toupper(){
317 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
318 }
319
320 tolower(){
321 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
322 }
323
324 c_escape(){
325 echo "$*" | sed 's/["\\]/\\\0/g'
326 }
327
328 sh_quote(){
329 v=$(echo "$1" | sed "s/'/'\\\\''/g")
330 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
331 echo "$v"
332 }
333
334 cleanws(){
335 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
336 }
337
338 filter(){
339 pat=$1
340 shift
341 for v; do
342 eval "case $v in $pat) echo $v ;; esac"
343 done
344 }
345
346 filter_out(){
347 pat=$1
348 shift
349 for v; do
350 eval "case $v in $pat) ;; *) echo $v ;; esac"
351 done
352 }
353
354 map(){
355 m=$1
356 shift
357 for v; do eval $m; done
358 }
359
360 set_all(){
361 value=$1
362 shift
363 for var in $*; do
364 eval $var=$value
365 done
366 }
367
368 set_weak(){
369 value=$1
370 shift
371 for var; do
372 eval : \${$var:=$value}
373 done
374 }
375
376 set_safe(){
377 var=$1
378 shift
379 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
380 }
381
382 get_safe(){
383 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
384 }
385
386 pushvar(){
387 for var in $*; do
388 eval level=\${${var}_level:=0}
389 eval ${var}_${level}="\$$var"
390 eval ${var}_level=$(($level+1))
391 done
392 }
393
394 popvar(){
395 for var in $*; do
396 eval level=\${${var}_level:-0}
397 test $level = 0 && continue
398 eval level=$(($level-1))
399 eval $var="\${${var}_${level}}"
400 eval ${var}_level=$level
401 eval unset ${var}_${level}
402 done
403 }
404
405 enable(){
406 set_all yes $*
407 }
408
409 disable(){
410 set_all no $*
411 }
412
413 enable_weak(){
414 set_weak yes $*
415 }
416
417 disable_weak(){
418 set_weak no $*
419 }
420
421 enable_safe(){
422 for var; do
423 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
424 done
425 }
426
427 disable_safe(){
428 for var; do
429 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
430 done
431 }
432
433 do_enable_deep(){
434 for var; do
435 enabled $var && continue
436 eval sel="\$${var}_select"
437 eval sgs="\$${var}_suggest"
438 pushvar var sgs
439 enable_deep $sel
440 popvar sgs
441 enable_deep_weak $sgs
442 popvar var
443 done
444 }
445
446 enable_deep(){
447 do_enable_deep $*
448 enable $*
449 }
450
451 enable_deep_weak(){
452 do_enable_deep $*
453 enable_weak $*
454 }
455
456 enabled(){
457 test "${1#!}" = "$1" && op== || op=!=
458 eval test "x\$${1#!}" $op "xyes"
459 }
460
461 disabled(){
462 test "${1#!}" = "$1" && op== || op=!=
463 eval test "x\$${1#!}" $op "xno"
464 }
465
466 enabled_all(){
467 for opt; do
468 enabled $opt || return 1
469 done
470 }
471
472 disabled_all(){
473 for opt; do
474 disabled $opt || return 1
475 done
476 }
477
478 enabled_any(){
479 for opt; do
480 enabled $opt && return 0
481 done
482 }
483
484 disabled_any(){
485 for opt; do
486 disabled $opt && return 0
487 done
488 return 1
489 }
490
491 set_default(){
492 for opt; do
493 eval : \${$opt:=\$${opt}_default}
494 done
495 }
496
497 is_in(){
498 value=$1
499 shift
500 for var in $*; do
501 [ $var = $value ] && return 0
502 done
503 return 1
504 }
505
506 check_deps(){
507 for cfg; do
508 cfg="${cfg#!}"
509 enabled ${cfg}_checking && die "Circular dependency for $cfg."
510 disabled ${cfg}_checking && continue
511 enable ${cfg}_checking
512
513 eval dep_all="\$${cfg}_deps"
514 eval dep_any="\$${cfg}_deps_any"
515 eval dep_sel="\$${cfg}_select"
516 eval dep_sgs="\$${cfg}_suggest"
517 eval dep_ifa="\$${cfg}_if"
518 eval dep_ifn="\$${cfg}_if_any"
519
520 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
521 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
522 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
523
524 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
525 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
526 enabled_all $dep_all || disable $cfg
527 enabled_any $dep_any || disable $cfg
528 disabled_any $dep_sel && disable $cfg
529
530 if enabled $cfg; then
531 eval dep_extralibs="\$${cfg}_extralibs"
532 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
533 enable_deep $dep_sel
534 enable_deep_weak $dep_sgs
535 fi
536
537 disable ${cfg}_checking
538 done
539 }
540
541 print_config_h(){
542 enabled $1 && v=1 || v=0
543 echo "#define $2 $v"
544 }
545
546 print_config_mak(){
547 enabled $1 && v= || v=!
548 echo "$v$2=yes"
549 }
550
551 print_config_asm(){
552 enabled $1 && v=1 || v=0
553 echo "%define $2 $v"
554 }
555
556 print_config(){
557 pfx=$1
558 files=$2
559 shift 2
560 for cfg; do
561 ucname="$(toupper $cfg)"
562 for f in $files; do
563 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
564 done
565 done
566 }
567
568 print_enabled(){
569 test "$1" = -n && end=" " && shift || end="\n"
570 suf=$1
571 shift
572 for v; do
573 enabled $v && printf "%s$end" ${v%$suf};
574 done
575 }
576
577 append(){
578 var=$1
579 shift
580 eval "$var=\"\$$var $*\""
581 }
582
583 prepend(){
584 var=$1
585 shift
586 eval "$var=\"$* \$$var\""
587 }
588
589 add_cppflags(){
590 append CPPFLAGS $($filter_cppflags "$@")
591 }
592
593 add_cflags(){
594 append CFLAGS $($filter_cflags "$@")
595 }
596
597 add_asflags(){
598 append ASFLAGS $($filter_asflags "$@")
599 }
600
601 add_ldflags(){
602 append LDFLAGS "$@"
603 }
604
605 add_extralibs(){
606 prepend extralibs "$@"
607 }
608
609 check_cmd(){
610 log "$@"
611 "$@" >> $logfile 2>&1
612 }
613
614 check_cc(){
615 log check_cc "$@"
616 cat > $TMPC
617 log_file $TMPC
618 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
619 }
620
621 check_cpp(){
622 log check_cpp "$@"
623 cat > $TMPC
624 log_file $TMPC
625 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
626 }
627
628 check_as(){
629 log check_as "$@"
630 cat > $TMPC
631 log_file $TMPC
632 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
633 }
634
635 check_asm(){
636 log check_asm "$@"
637 name="$1"
638 code="$2"
639 shift 2
640 disable $name
641 check_as "$@" <<EOF && enable $name
642 void foo(void){ __asm__ volatile($code); }
643 EOF
644 }
645
646 check_yasm(){
647 log check_yasm "$@"
648 echo "$1" > $TMPS
649 log_file $TMPS
650 shift 1
651 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
652 }
653
654 check_ld(){
655 log check_ld "$@"
656 flags=''
657 libs=''
658 for f; do
659 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
660 done
661 check_cc $($filter_cflags $flags) || return
662 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
663 }
664
665 check_cppflags(){
666 log check_cppflags "$@"
667 set -- $($filter_cppflags "$@")
668 check_cc "$@" <<EOF && append CPPFLAGS "$@"
669 int x;
670 EOF
671 }
672
673 check_cflags(){
674 log check_cflags "$@"
675 set -- $($filter_cflags "$@")
676 check_cc "$@" <<EOF && append CFLAGS "$@"
677 int x;
678 EOF
679 }
680
681 test_ldflags(){
682 log test_ldflags "$@"
683 check_ld "$@" <<EOF
684 int main(void){ return 0; }
685 EOF
686 }
687
688 check_ldflags(){
689 log check_ldflags "$@"
690 test_ldflags "$@" && add_ldflags "$@"
691 }
692
693 check_header(){
694 log check_header "$@"
695 header=$1
696 shift
697 disable_safe $header
698 check_cpp "$@" <<EOF && enable_safe $header
699 #include <$header>
700 int x;
701 EOF
702 }
703
704 check_func(){
705 log check_func "$@"
706 func=$1
707 shift
708 disable $func
709 check_ld "$@" <<EOF && enable $func
710 extern int $func();
711 int main(void){ $func(); }
712 EOF
713 }
714
715 check_mathfunc(){
716 log check_mathfunc "$@"
717 func=$1
718 shift
719 disable $func
720 check_ld "$@" <<EOF && enable $func
721 #include <math.h>
722 float foo(float f) { return $func(f); }
723 int main(void){ return 0; }
724 EOF
725 }
726
727 check_func_headers(){
728 log check_func_headers "$@"
729 headers=$1
730 funcs=$2
731 shift 2
732 {
733 for hdr in $headers; do
734 echo "#include <$hdr>"
735 done
736 for func in $funcs; do
737 echo "long check_$func(void) { return (long) $func; }"
738 done
739 echo "int main(void) { return 0; }"
740 } | check_ld "$@" && enable $funcs && enable_safe $headers
741 }
742
743 check_cpp_condition(){
744 log check_cpp_condition "$@"
745 header=$1
746 condition=$2
747 shift 2
748 check_cpp $($filter_cppflags "$@") <<EOF
749 #include <$header>
750 #if !($condition)
751 #error "unsatisfied condition: $condition"
752 #endif
753 EOF
754 }
755
756 check_lib(){
757 log check_lib "$@"
758 header="$1"
759 func="$2"
760 shift 2
761 check_header $header && check_func $func "$@" && add_extralibs "$@"
762 }
763
764 check_lib2(){
765 log check_lib2 "$@"
766 headers="$1"
767 funcs="$2"
768 shift 2
769 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
770 }
771
772 check_pkg_config(){
773 log check_pkg_config "$@"
774 pkg="$1"
775 headers="$2"
776 funcs="$3"
777 shift 3
778 $pkg_config --exists $pkg || return
779 pkg_cflags=$($pkg_config --cflags $pkg)
780 pkg_libs=$($pkg_config --libs $pkg)
781 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
782 set_safe ${pkg}_cflags $pkg_cflags &&
783 set_safe ${pkg}_libs $pkg_libs
784 }
785
786 check_exec(){
787 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
788 }
789
790 check_exec_crash(){
791 code=$(cat)
792
793 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
794 # are safe but may not be available everywhere. Thus we use
795 # raise(SIGTERM) instead. The check is run in a subshell so we
796 # can redirect the "Terminated" message from the shell. SIGBUS
797 # is not defined by standard C so it is used conditionally.
798
799 (check_exec "$@") >> $logfile 2>&1 <<EOF
800 #include <signal.h>
801 static void sighandler(int sig){
802 raise(SIGTERM);
803 }
804 int main(void){
805 signal(SIGILL, sighandler);
806 signal(SIGFPE, sighandler);
807 signal(SIGSEGV, sighandler);
808 #ifdef SIGBUS
809 signal(SIGBUS, sighandler);
810 #endif
811 { $code }
812 }
813 EOF
814 }
815
816 check_type(){
817 log check_type "$@"
818 headers=$1
819 type=$2
820 shift 2
821 disable_safe "$type"
822 incs=""
823 for hdr in $headers; do
824 incs="$incs
825 #include <$hdr>"
826 done
827 check_cc "$@" <<EOF && enable_safe "$type"
828 $incs
829 $type v;
830 EOF
831 }
832
833 check_struct(){
834 log check_type "$@"
835 headers=$1
836 struct=$2
837 member=$3
838 shift 3
839 disable_safe "${struct}_${member}"
840 incs=""
841 for hdr in $headers; do
842 incs="$incs
843 #include <$hdr>"
844 done
845 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
846 $incs
847 const void *p = &(($struct *)0)->$member;
848 EOF
849 }
850
851 require(){
852 name="$1"
853 header="$2"
854 func="$3"
855 shift 3
856 check_lib $header $func "$@" || die "ERROR: $name not found"
857 }
858
859 require2(){
860 name="$1"
861 headers="$2"
862 func="$3"
863 shift 3
864 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
865 }
866
867 require_pkg_config(){
868 pkg="$1"
869 check_pkg_config "$@" || die "ERROR: $pkg not found"
870 add_cflags $(get_safe ${pkg}_cflags)
871 add_extralibs $(get_safe ${pkg}_libs)
872 }
873
874 check_host_cc(){
875 log check_host_cc "$@"
876 cat > $TMPC
877 log_file $TMPC
878 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
879 }
880
881 check_host_cflags(){
882 log check_host_cflags "$@"
883 check_host_cc "$@" <<EOF && append host_cflags "$@"
884 int x;
885 EOF
886 }
887
888 apply(){
889 file=$1
890 shift
891 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
892 }
893
894 cp_if_changed(){
895 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
896 mkdir -p "$(dirname $2)"
897 cp -f "$1" "$2"
898 }
899
900 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
901 # system-dependent things.
902
903 COMPONENT_LIST="
904 bsfs
905 decoders
906 demuxers
907 encoders
908 filters
909 hwaccels
910 indevs
911 muxers
912 outdevs
913 parsers
914 protocols
915 "
916
917 PROGRAM_LIST="
918 avconv
919 avplay
920 avprobe
921 avserver
922 "
923
924 CONFIG_LIST="
925 $COMPONENT_LIST
926 $PROGRAM_LIST
927 ac3dsp
928 avcodec
929 avdevice
930 avfilter
931 avformat
932 avisynth
933 bzlib
934 dct
935 doc
936 dwt
937 dxva2
938 fastdiv
939 fft
940 frei0r
941 gnutls
942 gpl
943 gray
944 hardcoded_tables
945 libcdio
946 libdc1394
947 libdirac
948 libfaac
949 libfreetype
950 libgsm
951 libmp3lame
952 libnut
953 libopencore_amrnb
954 libopencore_amrwb
955 libopencv
956 libopenjpeg
957 libpulse
958 librtmp
959 libschroedinger
960 libspeex
961 libtheora
962 libvo_aacenc
963 libvo_amrwbenc
964 libvorbis
965 libvpx
966 libx264
967 libxavs
968 libxvid
969 lsp
970 mdct
971 memalign_hack
972 mpegaudiodsp
973 network
974 nonfree
975 openssl
976 pic
977 rdft
978 rtpdec
979 runtime_cpudetect
980 safe_bitstream_reader
981 shared
982 sinewin
983 small
984 sram
985 static
986 swscale
987 swscale_alpha
988 thumb
989 vaapi
990 vda
991 vdpau
992 version3
993 xmm_clobber_test
994 x11grab
995 zlib
996 "
997
998 THREADS_LIST='
999 pthreads
1000 w32threads
1001 '
1002
1003 ARCH_LIST='
1004 alpha
1005 arm
1006 avr32
1007 avr32_ap
1008 avr32_uc
1009 bfin
1010 ia64
1011 m68k
1012 mips
1013 mips64
1014 parisc
1015 ppc
1016 ppc64
1017 s390
1018 sh4
1019 sparc
1020 sparc64
1021 tomi
1022 x86
1023 x86_32
1024 x86_64
1025 '
1026
1027 ARCH_EXT_LIST='
1028 altivec
1029 amd3dnow
1030 amd3dnowext
1031 armv5te
1032 armv6
1033 armv6t2
1034 armvfp
1035 avx
1036 mmi
1037 mmx
1038 mmx2
1039 neon
1040 ppc4xx
1041 sse
1042 ssse3
1043 vfpv3
1044 vis
1045 '
1046
1047 HAVE_LIST_PUB='
1048 bigendian
1049 fast_unaligned
1050 '
1051
1052 HAVE_LIST="
1053 $ARCH_EXT_LIST
1054 $HAVE_LIST_PUB
1055 $THREADS_LIST
1056 aligned_stack
1057 alsa_asoundlib_h
1058 altivec_h
1059 arpa_inet_h
1060 asm_mod_y
1061 attribute_may_alias
1062 attribute_packed
1063 closesocket
1064 cmov
1065 dcbzl
1066 dev_bktr_ioctl_bt848_h
1067 dev_bktr_ioctl_meteor_h
1068 dev_ic_bt8xx_h
1069 dev_video_bktr_ioctl_bt848_h
1070 dev_video_meteor_ioctl_meteor_h
1071 dlfcn_h
1072 dlopen
1073 dos_paths
1074 ebp_available
1075 ebx_available
1076 exp2
1077 exp2f
1078 fast_64bit
1079 fast_clz
1080 fast_cmov
1081 fcntl
1082 fork
1083 getaddrinfo
1084 gethrtime
1085 GetProcessAffinityMask
1086 GetProcessMemoryInfo
1087 GetProcessTimes
1088 getrusage
1089 gnu_as
1090 ibm_asm
1091 inet_aton
1092 inline_asm
1093 isatty
1094 ldbrx
1095 libdc1394_1
1096 libdc1394_2
1097 llrint
1098 llrintf
1099 local_aligned_16
1100 local_aligned_8
1101 localtime_r
1102 log2
1103 log2f
1104 loongson
1105 lrint
1106 lrintf
1107 lzo1x_999_compress
1108 machine_ioctl_bt848_h
1109 machine_ioctl_meteor_h
1110 malloc_h
1111 MapViewOfFile
1112 memalign
1113 mkstemp
1114 mmap
1115 poll_h
1116 posix_memalign
1117 round
1118 roundf
1119 sched_getaffinity
1120 sdl
1121 sdl_video_size
1122 setmode
1123 setrlimit
1124 sndio_h
1125 socklen_t
1126 soundcard_h
1127 strerror_r
1128 strptime
1129 strtok_r
1130 struct_addrinfo
1131 struct_ipv6_mreq
1132 struct_rusage_ru_maxrss
1133 struct_sockaddr_in6
1134 struct_sockaddr_sa_len
1135 struct_sockaddr_storage
1136 struct_v4l2_frmivalenum_discrete
1137 symver
1138 symver_asm_label
1139 symver_gnu_asm
1140 sysconf
1141 sysctl
1142 sys_mman_h
1143 sys_param_h
1144 sys_resource_h
1145 sys_select_h
1146 sys_soundcard_h
1147 sys_videoio_h
1148 threads
1149 trunc
1150 truncf
1151 vfp_args
1152 VirtualAlloc
1153 winsock2_h
1154 xform_asm
1155 xmm_clobbers
1156 yasm
1157 "
1158
1159 # options emitted with CONFIG_ prefix but not available on command line
1160 CONFIG_EXTRA="
1161 aandct
1162 avutil
1163 golomb
1164 gplv3
1165 h264chroma
1166 h264dsp
1167 h264pred
1168 h264qpel
1169 huffman
1170 lgplv3
1171 lpc
1172 "
1173
1174 CMDLINE_SELECT="
1175 $ARCH_EXT_LIST
1176 $CONFIG_LIST
1177 $THREADS_LIST
1178 asm
1179 cross_compile
1180 debug
1181 extra_warnings
1182 logging
1183 optimizations
1184 symver
1185 yasm
1186 "
1187
1188 PATHS_LIST='
1189 bindir
1190 datadir
1191 incdir
1192 libdir
1193 mandir
1194 prefix
1195 shlibdir
1196 '
1197
1198 CMDLINE_SET="
1199 $PATHS_LIST
1200 ar
1201 arch
1202 as
1203 build_suffix
1204 cc
1205 cpu
1206 cross_prefix
1207 dep_cc
1208 extra_version
1209 host_cc
1210 host_cflags
1211 host_ldflags
1212 host_libs
1213 host_os
1214 ld
1215 logfile
1216 malloc_prefix
1217 nm
1218 optflags
1219 pkg_config
1220 samples
1221 sysinclude
1222 sysroot
1223 target_exec
1224 target_os
1225 target_path
1226 "
1227
1228 CMDLINE_APPEND="
1229 extra_cflags
1230 "
1231
1232 # code dependency declarations
1233
1234 # architecture extensions
1235
1236 armv5te_deps="arm"
1237 armv6_deps="arm"
1238 armv6t2_deps="arm"
1239 armvfp_deps="arm"
1240 neon_deps="arm"
1241 vfpv3_deps="armvfp"
1242
1243 mmi_deps="mips"
1244
1245 altivec_deps="ppc"
1246 ppc4xx_deps="ppc"
1247
1248 vis_deps="sparc"
1249
1250 x86_64_suggest="cmov fast_cmov"
1251 amd3dnow_deps="mmx"
1252 amd3dnowext_deps="amd3dnow"
1253 mmx_deps="x86"
1254 mmx2_deps="mmx"
1255 sse_deps="mmx"
1256 ssse3_deps="sse"
1257 avx_deps="ssse3"
1258
1259 aligned_stack_if_any="ppc x86"
1260 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1261 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1262 fast_unaligned_if_any="armv6 ppc x86"
1263
1264 inline_asm_deps="!tms470"
1265 need_memalign="altivec neon sse"
1266
1267 symver_if_any="symver_asm_label symver_gnu_asm"
1268
1269 # subsystems
1270 dct_select="rdft"
1271 mdct_select="fft"
1272 rdft_select="fft"
1273 mpegaudiodsp_select="dct"
1274
1275 # decoders / encoders / hardware accelerators
1276 aac_decoder_select="mdct sinewin"
1277 aac_encoder_select="mdct sinewin"
1278 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1279 ac3_decoder_select="mdct ac3dsp ac3_parser"
1280 ac3_encoder_select="mdct ac3dsp"
1281 ac3_fixed_encoder_select="mdct ac3dsp"
1282 alac_encoder_select="lpc"
1283 amrnb_decoder_select="lsp"
1284 amrwb_decoder_select="lsp"
1285 atrac1_decoder_select="mdct sinewin"
1286 atrac3_decoder_select="mdct"
1287 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1288 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1289 cavs_decoder_select="golomb"
1290 cook_decoder_select="mdct sinewin"
1291 cscd_decoder_suggest="zlib"
1292 dca_decoder_select="mdct"
1293 dnxhd_encoder_select="aandct"
1294 dxa_decoder_select="zlib"
1295 eac3_decoder_select="ac3_decoder"
1296 eac3_encoder_select="mdct ac3dsp"
1297 eamad_decoder_select="aandct"
1298 eatgq_decoder_select="aandct"
1299 eatqi_decoder_select="aandct"
1300 ffv1_decoder_select="golomb"
1301 flac_decoder_select="golomb"
1302 flac_encoder_select="golomb lpc"
1303 flashsv_decoder_select="zlib"
1304 flashsv_encoder_select="zlib"
1305 flashsv2_decoder_select="zlib"
1306 flv_decoder_select="h263_decoder"
1307 flv_encoder_select="h263_encoder"
1308 fraps_decoder_select="huffman"
1309 h261_encoder_select="aandct"
1310 h263_decoder_select="h263_parser"
1311 h263_encoder_select="aandct"
1312 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1313 h263i_decoder_select="h263_decoder"
1314 h263p_encoder_select="h263_encoder"
1315 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1316 h264_dxva2_hwaccel_deps="dxva2api_h"
1317 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1318 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1319 h264_vda_hwaccel_select="vda h264_decoder"
1320 h264_vdpau_decoder_select="vdpau h264_decoder"
1321 imc_decoder_select="fft mdct sinewin"
1322 jpegls_decoder_select="golomb"
1323 jpegls_encoder_select="golomb"
1324 ljpeg_encoder_select="aandct"
1325 loco_decoder_select="golomb"
1326 mjpeg_encoder_select="aandct"
1327 mlp_decoder_select="mlp_parser"
1328 mp1_decoder_select="mpegaudiodsp"
1329 mp1float_decoder_select="mpegaudiodsp"
1330 mp2_decoder_select="mpegaudiodsp"
1331 mp2float_decoder_select="mpegaudiodsp"
1332 mp3_decoder_select="mpegaudiodsp"
1333 mp3adu_decoder_select="mpegaudiodsp"
1334 mp3adufloat_decoder_select="mpegaudiodsp"
1335 mp3float_decoder_select="mpegaudiodsp"
1336 mp3on4_decoder_select="mpegaudiodsp"
1337 mp3on4float_decoder_select="mpegaudiodsp"
1338 mpc7_decoder_select="mpegaudiodsp"
1339 mpc8_decoder_select="mpegaudiodsp"
1340 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1341 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1342 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1343 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1344 mpeg1video_encoder_select="aandct"
1345 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1346 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1347 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1348 mpeg2video_encoder_select="aandct"
1349 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1350 mpeg4_encoder_select="h263_encoder"
1351 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1352 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1353 msmpeg4v1_decoder_select="h263_decoder"
1354 msmpeg4v1_encoder_select="h263_encoder"
1355 msmpeg4v2_decoder_select="h263_decoder"
1356 msmpeg4v2_encoder_select="h263_encoder"
1357 msmpeg4v3_decoder_select="h263_decoder"
1358 msmpeg4v3_encoder_select="h263_encoder"
1359 nellymoser_decoder_select="mdct sinewin"
1360 nellymoser_encoder_select="mdct sinewin"
1361 png_decoder_select="zlib"
1362 png_encoder_select="zlib"
1363 qcelp_decoder_select="lsp"
1364 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1365 ra_144_encoder_select="lpc"
1366 rv10_decoder_select="h263_decoder"
1367 rv10_encoder_select="h263_encoder"
1368 rv20_decoder_select="h263_decoder"
1369 rv20_encoder_select="h263_encoder"
1370 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1371 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1372 shorten_decoder_select="golomb"
1373 sipr_decoder_select="lsp"
1374 snow_decoder_select="dwt"
1375 snow_encoder_select="aandct dwt"
1376 svq1_encoder_select="aandct"
1377 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1378 svq3_decoder_suggest="zlib"
1379 theora_decoder_select="vp3_decoder"
1380 tiff_decoder_suggest="zlib"
1381 tiff_encoder_suggest="zlib"
1382 truehd_decoder_select="mlp_decoder"
1383 tscc_decoder_select="zlib"
1384 twinvq_decoder_select="mdct lsp sinewin"
1385 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1386 vc1_dxva2_hwaccel_deps="dxva2api_h"
1387 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1388 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1389 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1390 vc1image_decoder_select="vc1_decoder"
1391 vorbis_decoder_select="mdct"
1392 vorbis_encoder_select="mdct"
1393 vp6_decoder_select="huffman"
1394 vp6a_decoder_select="vp6_decoder"
1395 vp6f_decoder_select="vp6_decoder"
1396 vp8_decoder_select="h264pred h264qpel"
1397 wmapro_decoder_select="mdct sinewin"
1398 wmav1_decoder_select="mdct sinewin"
1399 wmav1_encoder_select="mdct sinewin"
1400 wmav2_decoder_select="mdct sinewin"
1401 wmav2_encoder_select="mdct sinewin"
1402 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1403 wmv1_decoder_select="h263_decoder"
1404 wmv1_encoder_select="h263_encoder"
1405 wmv2_decoder_select="h263_decoder"
1406 wmv2_encoder_select="h263_encoder"
1407 wmv3_decoder_select="vc1_decoder"
1408 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1409 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1410 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1411 wmv3image_decoder_select="wmv3_decoder"
1412 zerocodec_decoder_select="zlib"
1413 zlib_decoder_select="zlib"
1414 zlib_encoder_select="zlib"
1415 zmbv_decoder_select="zlib"
1416 zmbv_encoder_select="zlib"
1417
1418 vaapi_deps="va_va_h"
1419 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1420 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1421
1422 # parsers
1423 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel"
1424
1425 # external libraries
1426 libdirac_decoder_deps="libdirac !libschroedinger"
1427 libfaac_encoder_deps="libfaac"
1428 libgsm_decoder_deps="libgsm"
1429 libgsm_encoder_deps="libgsm"
1430 libgsm_ms_decoder_deps="libgsm"
1431 libgsm_ms_encoder_deps="libgsm"
1432 libmp3lame_encoder_deps="libmp3lame"
1433 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1434 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1435 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1436 libopenjpeg_decoder_deps="libopenjpeg"
1437 libschroedinger_decoder_deps="libschroedinger"
1438 libschroedinger_encoder_deps="libschroedinger"
1439 libspeex_decoder_deps="libspeex"
1440 libspeex_encoder_deps="libspeex"
1441 libtheora_encoder_deps="libtheora"
1442 libvo_aacenc_encoder_deps="libvo_aacenc"
1443 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1444 libvorbis_encoder_deps="libvorbis"
1445 libvpx_decoder_deps="libvpx"
1446 libvpx_encoder_deps="libvpx"
1447 libx264_encoder_deps="libx264"
1448 libxavs_encoder_deps="libxavs"
1449 libxvid_encoder_deps="libxvid"
1450
1451 # demuxers / muxers
1452 ac3_demuxer_select="ac3_parser"
1453 asf_stream_muxer_select="asf_muxer"
1454 avisynth_demuxer_deps="avisynth"
1455 dirac_demuxer_select="dirac_parser"
1456 eac3_demuxer_select="ac3_parser"
1457 flac_demuxer_select="flac_parser"
1458 ipod_muxer_select="mov_muxer"
1459 libnut_demuxer_deps="libnut"
1460 libnut_muxer_deps="libnut"
1461 matroska_audio_muxer_select="matroska_muxer"
1462 matroska_demuxer_suggest="zlib bzlib"
1463 mov_demuxer_suggest="zlib"
1464 mp3_demuxer_select="mpegaudio_parser"
1465 mp4_muxer_select="mov_muxer"
1466 mpegtsraw_demuxer_select="mpegts_demuxer"
1467 mxf_d10_muxer_select="mxf_muxer"
1468 ogg_demuxer_select="golomb"
1469 psp_muxer_select="mov_muxer"
1470 rtp_demuxer_select="sdp_demuxer"
1471 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1472 rtsp_demuxer_select="http_protocol rtpdec"
1473 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1474 sap_demuxer_select="sdp_demuxer"
1475 sap_muxer_select="rtp_muxer rtp_protocol"
1476 sdp_demuxer_select="rtpdec"
1477 spdif_muxer_select="aac_parser"
1478 tg2_muxer_select="mov_muxer"
1479 tgp_muxer_select="mov_muxer"
1480 w64_demuxer_deps="wav_demuxer"
1481
1482 # indevs / outdevs
1483 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1484 alsa_outdev_deps="alsa_asoundlib_h"
1485 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1486 dv1394_indev_deps="dv1394 dv_demuxer"
1487 fbdev_indev_deps="linux_fb_h"
1488 jack_indev_deps="jack_jack_h"
1489 libcdio_indev_deps="libcdio"
1490 libdc1394_indev_deps="libdc1394"
1491 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1492 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1493 pulse_indev_deps="libpulse"
1494 sndio_indev_deps="sndio_h"
1495 sndio_outdev_deps="sndio_h"
1496 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1497 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1498 vfwcap_indev_extralibs="-lavicap32"
1499 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1500
1501 # protocols
1502 gopher_protocol_deps="network"
1503 httpproxy_protocol_deps="network"
1504 httpproxy_protocol_select="tcp_protocol"
1505 http_protocol_deps="network"
1506 http_protocol_select="tcp_protocol"
1507 https_protocol_select="tls_protocol"
1508 librtmp_protocol_deps="librtmp"
1509 librtmpe_protocol_deps="librtmp"
1510 librtmps_protocol_deps="librtmp"
1511 librtmpt_protocol_deps="librtmp"
1512 librtmpte_protocol_deps="librtmp"
1513 mmsh_protocol_select="http_protocol"
1514 mmst_protocol_deps="network"
1515 rtmp_protocol_deps="!librtmp_protocol"
1516 rtmp_protocol_select="tcp_protocol"
1517 rtp_protocol_select="udp_protocol"
1518 tcp_protocol_deps="network"
1519 tls_protocol_deps_any="openssl gnutls"
1520 tls_protocol_select="tcp_protocol"
1521 udp_protocol_deps="network"
1522
1523 # filters
1524 blackframe_filter_deps="gpl"
1525 boxblur_filter_deps="gpl"
1526 cropdetect_filter_deps="gpl"
1527 delogo_filter_deps="gpl"
1528 drawtext_filter_deps="libfreetype"
1529 frei0r_filter_deps="frei0r dlopen strtok_r"
1530 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1531 hqdn3d_filter_deps="gpl"
1532 ocv_filter_deps="libopencv"
1533 scale_filter_deps="swscale"
1534 yadif_filter_deps="gpl"
1535
1536 # libraries
1537 avdevice_deps="avcodec avformat"
1538 avformat_deps="avcodec"
1539
1540 # programs
1541 avconv_deps="avcodec avformat swscale"
1542 avplay_deps="avcodec avformat swscale sdl"
1543 avplay_select="rdft"
1544 avprobe_deps="avcodec avformat"
1545 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1546 avserver_extralibs='$ldl'
1547
1548 doc_deps="texi2html"
1549
1550 # tests
1551
1552 test_deps(){
1553 suf1=$1
1554 suf2=$2
1555 shift 2
1556 for v; do
1557 dep=${v%=*}
1558 tests=${v#*=}
1559 for name in ${tests}; do
1560 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1561 done
1562 done
1563 }
1564
1565 mxf_d10_test_deps="avfilter"
1566 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1567
1568 test_deps _encoder _decoder \
1569 adpcm_ima_qt \
1570 adpcm_ima_wav \
1571 adpcm_ms \
1572 adpcm_swf \
1573 adpcm_yamaha=adpcm_yam \
1574 alac \
1575 asv1 \
1576 asv2 \
1577 bmp \
1578 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1579 dvvideo="dv dv_411 dv50" \
1580 ffv1 \
1581 flac \
1582 flashsv \
1583 flv \
1584 adpcm_g726=g726 \
1585 gif \
1586 h261 \
1587 h263="h263 h263p" \
1588 huffyuv \
1589 jpegls \
1590 mjpeg="jpg mjpeg ljpeg" \
1591 mp2 \
1592 mpeg1video="mpeg mpeg1b" \
1593 mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1594 mpeg2video="mpeg2thread mpeg2thread_ilace" \
1595 mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr" \
1596 mpeg4="mpeg4thread error rc" \
1597 msmpeg4v3=msmpeg4 \
1598 msmpeg4v2 \
1599 pbm=pbmpipe \
1600 pcx \
1601 pgm="pgm pgmpipe" \
1602 png \
1603 ppm="ppm ppmpipe" \
1604 rawvideo="rgb yuv" \
1605 roq \
1606 rv10 \
1607 rv20 \
1608 sgi \
1609 snow="snow snowll" \
1610 svq1 \
1611 targa=tga \
1612 tiff \
1613 wmav1 \
1614 wmav2 \
1615 wmv1 \
1616 wmv2 \
1617
1618 test_deps _muxer _demuxer \
1619 aiff \
1620 pcm_alaw=alaw \
1621 asf \
1622 au \
1623 avi \
1624 dv=dv_fmt \
1625 ffm \
1626 flv=flv_fmt \
1627 gxf \
1628 matroska=mkv \
1629 mmf \
1630 mov \
1631 pcm_mulaw=mulaw \
1632 mxf="mxf mxf_d10" \
1633 nut \
1634 ogg \
1635 rawvideo=pixfmt \
1636 rm \
1637 swf \
1638 mpegts=ts \
1639 voc \
1640 wav \
1641 yuv4mpegpipe=yuv4mpeg \
1642
1643 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1644 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1645
1646 # default parameters
1647
1648 logfile="config.log"
1649
1650 # installation paths
1651 prefix_default="/usr/local"
1652 bindir_default='${prefix}/bin'
1653 datadir_default='${prefix}/share/avconv'
1654 incdir_default='${prefix}/include'
1655 libdir_default='${prefix}/lib'
1656 mandir_default='${prefix}/share/man'
1657 shlibdir_default="$libdir_default"
1658
1659 # toolchain
1660 ar_default="ar"
1661 cc_default="gcc"
1662 cc_version=\"unknown\"
1663 host_cc_default="gcc"
1664 ln_s="ln -sf"
1665 nm_default="nm"
1666 objformat="elf"
1667 pkg_config_default=pkg-config
1668 ranlib="ranlib"
1669 yasmexe="yasm"
1670
1671 nm_opts='-g'
1672 nogas=":"
1673
1674 # machine
1675 arch_default=$(uname -m)
1676 cpu="generic"
1677
1678 # OS
1679 target_os_default=$(tolower $(uname -s))
1680 host_os=$target_os_default
1681
1682 # configurable options
1683 enable $PROGRAM_LIST
1684
1685 enable avcodec
1686 enable avdevice
1687 enable avfilter
1688 enable avformat
1689 enable avutil
1690 enable swscale
1691
1692 enable asm
1693 enable debug
1694 enable doc
1695 enable fastdiv
1696 enable network
1697 enable optimizations
1698 enable safe_bitstream_reader
1699 enable static
1700 enable swscale_alpha
1701
1702 # build settings
1703 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1704 AVSERVERLDFLAGS=-Wl,-E
1705 LIBPREF="lib"
1706 LIBSUF=".a"
1707 FULLNAME='$(NAME)$(BUILDSUF)'
1708 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1709 SLIBPREF="lib"
1710 SLIBSUF=".so"
1711 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1712 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1713 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1714 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1715 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1716 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1717
1718 AS_O='-o $@'
1719 CC_O='-o $@'
1720
1721 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1722 host_libs='-lm'
1723
1724 target_path='$(CURDIR)'
1725
1726 # since the object filename is not given with the -MM flag, the compiler
1727 # is only able to print the basename, and we must add the path ourselves
1728 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1729 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1730
1731 # find source path
1732 if test -f configure; then
1733 source_path=.
1734 else
1735 source_path=$(cd $(dirname "$0"); pwd)
1736 echo "$source_path" | grep -q '[[:blank:]]' &&
1737 die "Out of tree builds are impossible with whitespace in source path."
1738 test -e "$source_path/config.h" &&
1739 die "Out of tree builds are impossible with config.h in source dir."
1740 fi
1741
1742 for v in "$@"; do
1743 r=${v#*=}
1744 l=${v%"$r"}
1745 r=$(sh_quote "$r")
1746 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1747 done
1748
1749 find_things(){
1750 thing=$1
1751 pattern=$2
1752 file=$source_path/$3
1753 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1754 }
1755
1756 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1757 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1758 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1759 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1760 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1761 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1762 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1763 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1764 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1765 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1766 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1767
1768 ALL_COMPONENTS="
1769 $BSF_LIST
1770 $DECODER_LIST
1771 $DEMUXER_LIST
1772 $ENCODER_LIST
1773 $FILTER_LIST
1774 $HWACCEL_LIST
1775 $INDEV_LIST
1776 $MUXER_LIST
1777 $OUTDEV_LIST
1778 $PARSER_LIST
1779 $PROTOCOL_LIST
1780 "
1781
1782 find_tests(){
1783 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1784 }
1785
1786 ACODEC_TESTS=$(find_tests acodec)
1787 VCODEC_TESTS=$(find_tests vsynth1)
1788 LAVF_TESTS=$(find_tests lavf)
1789 LAVFI_TESTS=$(find_tests lavfi)
1790 SEEK_TESTS=$(find_tests seek seek_)
1791
1792 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1793
1794 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1795
1796 for n in $COMPONENT_LIST; do
1797 v=$(toupper ${n%s})_LIST
1798 eval enable \$$v
1799 eval ${n}_if_any="\$$v"
1800 done
1801
1802 enable $ARCH_EXT_LIST $ALL_TESTS
1803
1804 die_unknown(){
1805 echo "Unknown option \"$1\"."
1806 echo "See $0 --help for available options."
1807 exit 1
1808 }
1809
1810 show_list() {
1811 suffix=_$1
1812 shift
1813 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1814 exit 0
1815 }
1816
1817 for opt do
1818 optval="${opt#*=}"
1819 case "$opt" in
1820 --extra-ldflags=*) add_ldflags $optval
1821 ;;
1822 --extra-libs=*) add_extralibs $optval
1823 ;;
1824 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1825 ;;
1826 --enable-debug=*) debuglevel="$optval"
1827 ;;
1828 --disable-everything)
1829 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1830 ;;
1831 --enable-*=*|--disable-*=*)
1832 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1833 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1834 eval list=\$$(toupper $thing)_LIST
1835 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1836 $action $(filter "$name" $list)
1837 ;;
1838 --enable-?*|--disable-?*)
1839 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1840 if is_in $option $COMPONENT_LIST; then
1841 test $action = disable && action=unset
1842 eval $action \$$(toupper ${option%s})_LIST
1843 elif is_in $option $CMDLINE_SELECT; then
1844 $action $option
1845 else
1846 die_unknown $opt
1847 fi
1848 ;;
1849 --list-*)
1850 NAME="${opt#--list-}"
1851 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1852 NAME=${NAME%s}
1853 eval show_list $NAME \$$(toupper $NAME)_LIST
1854 ;;
1855 --help|-h) show_help
1856 ;;
1857 *)
1858 optname="${opt%%=*}"
1859 optname="${optname#--}"
1860 optname=$(echo "$optname" | sed 's/-/_/g')
1861 if is_in $optname $CMDLINE_SET; then
1862 eval $optname='$optval'
1863 elif is_in $optname $CMDLINE_APPEND; then
1864 append $optname "$optval"
1865 else
1866 die_unknown $opt
1867 fi
1868 ;;
1869 esac
1870 done
1871
1872 disabled logging && logfile=/dev/null
1873
1874 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1875 set >> $logfile
1876
1877 test -n "$cross_prefix" && enable cross_compile
1878
1879 if enabled cross_compile; then
1880 test -n "$arch" && test -n "$target_os" ||
1881 die "Must specify target arch and OS when cross-compiling"
1882 fi
1883
1884 set_default arch target_os
1885
1886 ar_default="${cross_prefix}${ar_default}"
1887 cc_default="${cross_prefix}${cc_default}"
1888 nm_default="${cross_prefix}${nm_default}"
1889 pkg_config_default="${cross_prefix}${pkg_config_default}"
1890 ranlib="${cross_prefix}${ranlib}"
1891
1892 sysinclude_default="${sysroot}/usr/include"
1893
1894 set_default cc nm pkg_config sysinclude
1895 enabled cross_compile || host_cc_default=$cc
1896 set_default host_cc
1897
1898 if ! $pkg_config --version >/dev/null 2>&1; then
1899 warn "$pkg_config not found, library detection may fail."
1900 pkg_config=false
1901 fi
1902
1903 exesuf() {
1904 case $1 in
1905 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1906 esac
1907 }
1908
1909 EXESUF=$(exesuf $target_os)
1910 HOSTEXESUF=$(exesuf $host_os)
1911
1912 # set temporary file name
1913 : ${TMPDIR:=$TEMPDIR}
1914 : ${TMPDIR:=$TMP}
1915 : ${TMPDIR:=/tmp}
1916
1917 if ! check_cmd mktemp -u XXXXXX; then
1918 # simple replacement for missing mktemp
1919 # NOT SAFE FOR GENERAL USE
1920 mktemp(){
1921 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1922 }
1923 fi
1924
1925 tmpfile(){
1926 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1927 (set -C; exec > $tmp) 2>/dev/null ||
1928 die "Unable to create temporary file in $TMPDIR."
1929 append TMPFILES $tmp
1930 eval $1=$tmp
1931 }
1932
1933 trap 'rm -f -- $TMPFILES' EXIT
1934
1935 tmpfile TMPASM .asm
1936 tmpfile TMPC .c
1937 tmpfile TMPE $EXESUF
1938 tmpfile TMPH .h
1939 tmpfile TMPO .o
1940 tmpfile TMPS .S
1941 tmpfile TMPSH .sh
1942 tmpfile TMPV .ver
1943
1944 unset -f mktemp
1945
1946 chmod +x $TMPE
1947
1948 # make sure we can execute files in $TMPDIR
1949 cat > $TMPSH 2>> $logfile <<EOF
1950 #! /bin/sh
1951 EOF
1952 chmod +x $TMPSH >> $logfile 2>&1
1953 if ! $TMPSH >> $logfile 2>&1; then
1954 cat <<EOF
1955 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1956 variable to another directory and make sure that it is not mounted noexec.
1957 EOF
1958 die "Sanity test failed."
1959 fi
1960
1961 filter_asflags=echo
1962 filter_cflags=echo
1963 filter_cppflags=echo
1964
1965 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1966 cc_type=llvm_gcc
1967 cc_version=__VERSION__
1968 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1969 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1970 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1971 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1972 speed_cflags='-O3'
1973 size_cflags='-Os'
1974 elif $cc -v 2>&1 | grep -qi ^gcc; then
1975 cc_type=gcc
1976 cc_version=__VERSION__
1977 gcc_version=$($cc --version | head -n1)
1978 gcc_basever=$($cc -dumpversion)
1979 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1980 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1981 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1982 if ! $cc -dumpversion | grep -q '^2\.'; then
1983 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1984 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985 fi
1986 speed_cflags='-O3'
1987 size_cflags='-Os'
1988 elif $cc --version 2>/dev/null | grep -q Intel; then
1989 cc_type=icc
1990 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1991 cc_ident=$($cc --version | head -n1)
1992 icc_version=$($cc -dumpversion)
1993 CC_DEPFLAGS='-MMD'
1994 AS_DEPFLAGS='-MMD'
1995 speed_cflags='-O3'
1996 size_cflags='-Os'
1997 noopt_cflags='-O1'
1998 elif $cc -v 2>&1 | grep -q xlc; then
1999 cc_type=xlc
2000 cc_version="AV_STRINGIFY(__IBMC__)"
2001 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2002 speed_cflags='-O5'
2003 size_cflags='-O5 -qcompact'
2004 elif $cc -V 2>/dev/null | grep -q Compaq; then
2005 cc_type=ccc
2006 cc_version="AV_STRINGIFY(__DECC_VER)"
2007 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2008 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2009 debuglevel=3
2010 add_ldflags -Wl,-z,now # calls to libots crash without this
2011 speed_cflags='-fast'
2012 size_cflags='-O1'
2013 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2014 test -d "$sysroot" || die "No valid sysroot specified."
2015 cc_type=armcc
2016 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2017 cc_ident=$($cc --vsn | head -n1)
2018 armcc_conf="$PWD/armcc.conf"
2019 $cc --arm_linux_configure \
2020 --arm_linux_config_file="$armcc_conf" \
2021 --configure_sysroot="$sysroot" \
2022 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2023 die "Error creating armcc configuration file."
2024 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2025 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2026 as_default="${cross_prefix}gcc"
2027 CC_DEPFLAGS='-MMD'
2028 AS_DEPFLAGS='-MMD'
2029 speed_cflags='-O3'
2030 size_cflags='-Os'
2031 filter_asflags="filter_out -W${armcc_opt}*"
2032 elif $cc -version 2>/dev/null | grep -q TMS470; then
2033 cc_type=tms470
2034 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2035 cc_ident=$($cc -version | head -n1 | tr -s ' ')
2036 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2037 CC_O='-fr=$(@D)'
2038 as_default="${cross_prefix}gcc"
2039 ld_default="${cross_prefix}gcc"
2040 TMPO=$(basename $TMPC .c).o
2041 append TMPFILES $TMPO
2042 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2043 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2044 AS_DEPFLAGS='-MMD'
2045 speed_cflags='-O3 -mf=5'
2046 size_cflags='-O3 -mf=2'
2047 filter_cflags=tms470_flags
2048 tms470_flags(){
2049 for flag; do
2050 case $flag in
2051 -march=*|-mcpu=*)
2052 case "${flag#*=}" in
2053 armv7-a|cortex-a*) echo -mv=7a8 ;;
2054 armv7-r|cortex-r*) echo -mv=7r4 ;;
2055 armv7-m|cortex-m*) echo -mv=7m3 ;;
2056 armv6*|arm11*) echo -mv=6 ;;
2057 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2058 echo -mv=5e ;;
2059 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2060 esac
2061 ;;
2062 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2063 -mfpu=vfp) echo --float_support=vfpv2 ;;
2064 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2065 -msoft-float) echo --float_support=vfplib ;;
2066 -O[0-3]|-mf=*) echo $flag ;;
2067 -g) echo -g -mn ;;
2068 -pds=*) echo $flag ;;
2069 esac
2070 done
2071 }
2072 elif $cc -v 2>&1 | grep -q clang; then
2073 cc_type=clang
2074 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2075 cc_version=__clang_version__ || cc_version=__VERSION__
2076 cc_ident=$($cc --version | head -n1)
2077 CC_DEPFLAGS='-MMD'
2078 AS_DEPFLAGS='-MMD'
2079 speed_cflags='-O3'
2080 size_cflags='-Os'
2081 elif $cc -V 2>&1 | grep -q Sun; then
2082 cc_type=suncc
2083 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2084 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2085 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2086 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2087 add_ldflags -xc99
2088 speed_cflags='-O5'
2089 size_cflags='-O5 -xspace'
2090 filter_cflags=suncc_flags
2091 suncc_flags(){
2092 for flag; do
2093 case $flag in
2094 -march=*|-mcpu=*)
2095 case "${flag#*=}" in
2096 native) echo -xtarget=native ;;
2097 v9|niagara) echo -xarch=sparc ;;
2098 ultrasparc) echo -xarch=sparcvis ;;
2099 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2100 i586|pentium) echo -xchip=pentium ;;
2101 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2102 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2103 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2104 pentium4*) echo -xtarget=pentium4 ;;
2105 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2106 *-sse3) echo -xarch=sse3 ;;
2107 core2) echo -xarch=ssse3 -xchip=core2 ;;
2108 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2109 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2110 k8|opteron|athlon64|athlon-fx)
2111 echo -xarch=sse2a ;;
2112 athlon*) echo -xarch=pentium_proa ;;
2113 esac
2114 ;;
2115 -std=c99) echo -xc99 ;;
2116 -fomit-frame-pointer) echo -xregs=frameptr ;;
2117 -fPIC) echo -KPIC -xcode=pic32 ;;
2118 -W*,*) echo $flag ;;
2119 -f*-*|-W*) ;;
2120 *) echo $flag ;;
2121 esac
2122 done
2123 }
2124 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2125 cc_type=pathscale
2126 cc_version=__PATHSCALE__
2127 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2128 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2129 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2130 speed_cflags='-O2'
2131 size_cflags='-Os'
2132 filter_cflags='filter_out -Wdisabled-optimization'
2133 elif $cc -v 2>&1 | grep -q Open64; then
2134 cc_type=open64
2135 cc_version=__OPEN64__
2136 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2137 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2138 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2139 speed_cflags='-O2'
2140 size_cflags='-Os'
2141 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2142 fi
2143
2144 test -n "$cc_type" && enable $cc_type ||
2145 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2146
2147 : ${as_default:=$cc}
2148 : ${dep_cc_default:=$cc}
2149 : ${ld_default:=$cc}
2150 set_default ar as dep_cc ld
2151
2152 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2153 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2154
2155 add_cflags $extra_cflags
2156 add_asflags $extra_cflags
2157
2158 if test -n "$sysroot"; then
2159 case "$cc_type" in
2160 gcc|llvm_gcc|clang)
2161 add_cppflags --sysroot="$sysroot"
2162 add_ldflags --sysroot="$sysroot"
2163 ;;
2164 tms470)
2165 add_cppflags -I"$sysinclude"
2166 add_ldflags --sysroot="$sysroot"
2167 ;;
2168 esac
2169 fi
2170
2171 if test "$cpu" = host; then
2172 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2173
2174 case "$cc_type" in
2175 gcc|llvm_gcc)
2176 check_native(){
2177 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2178 sed -n "/cc1.*$1=/{
2179 s/.*$1=\\([^ ]*\\).*/\\1/
2180 p
2181 q
2182 }" $TMPE
2183 }
2184 cpu=$(check_native -march || check_native -mcpu)
2185 ;;
2186 esac
2187
2188 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2189 fi
2190
2191 # Deal with common $arch aliases
2192 case "$arch" in
2193 arm*)
2194 arch="arm"
2195 ;;
2196 mips|mipsel|IP*)
2197 arch="mips"
2198 ;;
2199 mips64*)
2200 arch="mips"
2201 subarch="mips64"
2202 ;;
2203 parisc|hppa)
2204 arch="parisc"
2205 ;;
2206 parisc64|hppa64)
2207 arch="parisc"
2208 subarch="parisc64"
2209 ;;
2210 "Power Macintosh"|ppc|powerpc)
2211 arch="ppc"
2212 ;;
2213 ppc64|powerpc64)
2214 arch="ppc"
2215 subarch="ppc64"
2216 ;;
2217 s390|s390x)
2218 arch="s390"
2219 ;;
2220 sh4|sh)
2221 arch="sh4"
2222 ;;
2223 sun4u|sparc64)
2224 arch="sparc"
2225 subarch="sparc64"
2226 ;;
2227 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2228 arch="x86"
2229 ;;
2230 esac
2231
2232 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2233 enable $arch
2234
2235 # Add processor-specific flags
2236 if test "$cpu" = generic; then
2237 : do nothing
2238 elif enabled ppc; then
2239
2240 case $(tolower $cpu) in
2241 601|ppc601|powerpc601)
2242 cpuflags="-mcpu=601"
2243 disable altivec
2244 ;;
2245 603*|ppc603*|powerpc603*)
2246 cpuflags="-mcpu=603"
2247 disable altivec
2248 ;;
2249 604*|ppc604*|powerpc604*)
2250 cpuflags="-mcpu=604"
2251 disable altivec
2252 ;;
2253 g3|75*|ppc75*|powerpc75*)
2254 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2255 disable altivec
2256 ;;
2257 g4|745*|ppc745*|powerpc745*)
2258 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2259 ;;
2260 74*|ppc74*|powerpc74*)
2261 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2262 ;;
2263 g5|970|ppc970|powerpc970|power4*)
2264 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2265 ;;
2266 cell)
2267 cpuflags="-mcpu=cell"
2268 enable ldbrx
2269 ;;
2270 e500v2)
2271 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2272 disable altivec
2273 ;;
2274 e500)
2275 cpuflags="-mcpu=8540 -mhard-float"
2276 disable altivec
2277 ;;
2278 esac
2279
2280 elif enabled x86; then
2281
2282 case $cpu in
2283 i[345]86|pentium)
2284 cpuflags="-march=$cpu"
2285 disable mmx
2286 ;;
2287 # targets that do NOT support conditional mov (cmov)
2288 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2289 cpuflags="-march=$cpu"
2290 disable cmov
2291 ;;
2292 # targets that do support conditional mov (cmov)
2293 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2294 cpuflags="-march=$cpu"
2295 enable cmov
2296 enable fast_cmov
2297 ;;
2298 # targets that do support conditional mov but on which it's slow
2299 pentium4|pentium4m|prescott|nocona)
2300 cpuflags="-march=$cpu"
2301 enable cmov
2302 disable fast_cmov
2303 ;;
2304 esac
2305
2306 elif enabled sparc; then
2307
2308 case $cpu in
2309 niagara)
2310 cpuflags="-mcpu=$cpu"
2311 disable vis
2312 ;;
2313 sparc64)
2314 cpuflags="-mcpu=v9"
2315 ;;
2316 esac
2317
2318 elif enabled arm; then
2319
2320 case $cpu in
2321 armv*)
2322 cpuflags="-march=$cpu"
2323 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2324 ;;
2325 *)
2326 cpuflags="-mcpu=$cpu"
2327 case $cpu in
2328 cortex-a*) subarch=armv7a ;;
2329 cortex-r*) subarch=armv7r ;;
2330 cortex-m*) enable thumb; subarch=armv7m ;;
2331 arm11*) subarch=armv6 ;;
2332 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2333 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2334 esac
2335 ;;
2336 esac
2337
2338 elif enabled alpha; then
2339
2340 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2341
2342 elif enabled bfin; then
2343
2344 cpuflags="-mcpu=$cpu"
2345
2346 elif enabled mips; then
2347
2348 cpuflags="-march=$cpu"
2349
2350 elif enabled avr32; then
2351
2352 case $cpu in
2353 ap7[02]0[0-2])
2354 subarch="avr32_ap"
2355 cpuflags="-mpart=$cpu"
2356 ;;
2357 ap)
2358 subarch="avr32_ap"
2359 cpuflags="-march=$cpu"
2360 ;;
2361 uc3[ab]*)
2362 subarch="avr32_uc"
2363 cpuflags="-mcpu=$cpu"
2364 ;;
2365 uc)
2366 subarch="avr32_uc"
2367 cpuflags="-march=$cpu"
2368 ;;
2369 esac
2370
2371 fi
2372
2373 add_cflags $cpuflags
2374 add_asflags $cpuflags
2375
2376 # compiler sanity check
2377 check_exec <<EOF
2378 int main(void){ return 0; }
2379 EOF
2380 if test "$?" != 0; then
2381 echo "$cc is unable to create an executable file."
2382 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2383 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2384 echo "Only do this if you know what cross compiling means."
2385 fi
2386 die "C compiler test failed."
2387 fi
2388
2389 add_cppflags -D_ISOC99_SOURCE
2390 check_cflags -std=c99
2391 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2392 #include <stdlib.h>
2393 EOF
2394 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2395 #include <stdlib.h>
2396 EOF
2397
2398 check_host_cflags -std=c99
2399 check_host_cflags -Wall
2400
2401 case "$arch" in
2402 alpha|ia64|mips|parisc|sparc)
2403 spic=$shared
2404 ;;
2405 x86)
2406 subarch="x86_32"
2407 check_cc <<EOF && subarch="x86_64"
2408 int test[(int)sizeof(char*) - 7];
2409 EOF
2410 if test "$subarch" = "x86_64"; then
2411 spic=$shared
2412 fi
2413 ;;
2414 esac
2415
2416 enable $subarch
2417 enabled spic && enable pic
2418
2419 # OS specific
2420 case $target_os in
2421 haiku)
2422 prefix_default="/boot/common"
2423 network_extralibs="-lnetwork"
2424 host_libs=
2425 ;;
2426 sunos)
2427 AVSERVERLDFLAGS=""
2428 SHFLAGS='-shared -Wl,-h,$$(@F)'
2429 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2430 network_extralibs="-lsocket -lnsl"
2431 add_cppflags -D__EXTENSIONS__
2432 # When using suncc to build, the Solaris linker will mark
2433 # an executable with each instruction set encountered by
2434 # the Solaris assembler. As our libraries contain their own
2435 # guards for processor-specific code, instead suppress
2436 # generation of the HWCAPS ELF section on Solaris x86 only.
2437 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2438 nm_opts='-P -g'
2439 ;;
2440 netbsd)
2441 disable symver
2442 oss_indev_extralibs="-lossaudio"
2443 oss_outdev_extralibs="-lossaudio"
2444 ;;
2445 openbsd)
2446 enable malloc_aligned
2447 # On OpenBSD 4.5. the compiler does not use PIC unless
2448 # explicitly using -fPIC. Libav builds fine without PIC,
2449 # however the generated executable will not do anything
2450 # (simply quits with exit-code 1, no crash, no output).
2451 # Thus explicitly enable PIC here.
2452 enable pic
2453 disable symver
2454 SHFLAGS='-shared'
2455 oss_indev_extralibs="-lossaudio"
2456 oss_outdev_extralibs="-lossaudio"
2457 ;;
2458 dragonfly)
2459 enable malloc_aligned
2460 disable symver
2461 ;;
2462 freebsd)
2463 enable malloc_aligned
2464 ;;
2465 bsd/os)
2466 add_extralibs -lpoll -lgnugetopt
2467 ;;
2468 darwin)
2469 enable malloc_aligned
2470 gas="gas-preprocessor.pl $cc"
2471 enabled ppc && add_asflags -force_cpusubtype_ALL
2472 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2473 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2474 add_ldflags -Wl,-dynamic,-search_paths_first
2475 SLIBSUF=".dylib"
2476 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2477 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2478 AVSERVERLDFLAGS=-Wl,-bind_at_load
2479 objformat="macho"
2480 enabled x86_64 && objformat="macho64"
2481 enabled_any pic shared ||
2482 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2483 ;;
2484 mingw32*)
2485 if test $target_os = "mingw32ce"; then
2486 disable network
2487 else
2488 target_os=mingw32
2489 fi
2490 LIBTARGET=i386
2491 if enabled x86_64; then
2492 enable malloc_aligned
2493 LIBTARGET="i386:x86-64"
2494 elif enabled arm; then
2495 LIBTARGET=arm-wince
2496 fi
2497 shlibdir_default="$bindir_default"
2498 SLIBPREF=""
2499 SLIBSUF=".dll"
2500 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2501 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2502 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2503 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2504 SLIB_INSTALL_LINKS=
2505 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2506 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2507 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'
2508 objformat="win32"
2509 dlltool="${cross_prefix}dlltool"
2510 enable dos_paths
2511 check_cflags -fno-common
2512 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2513 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2514 die "ERROR: MinGW runtime version must be >= 3.15."
2515 add_cppflags -U__STRICT_ANSI__
2516 ;;
2517 cygwin*)
2518 target_os=cygwin
2519 shlibdir_default="$bindir_default"
2520 SLIBPREF="cyg"
2521 SLIBSUF=".dll"
2522 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2523 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2524 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2525 objformat="win32"
2526 enable dos_paths
2527 check_cflags -fno-common
2528 add_cppflags -U__STRICT_ANSI__
2529 ;;
2530 *-dos|freedos|opendos)
2531 network_extralibs="-lsocket"
2532 objformat="coff"
2533 enable dos_paths
2534 add_cppflags -U__STRICT_ANSI__
2535 ;;
2536 linux)
2537 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2538 enable dv1394
2539 ;;
2540 irix*)
2541 target_os=irix
2542 ranlib="echo ignoring ranlib"
2543 ;;
2544 os/2*)
2545 ln_s="cp -f"
2546 objformat="aout"
2547 add_cppflags -D_GNU_SOURCE
2548 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2549 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2550 AVSERVERLDFLAGS=""
2551 LIBSUF="_s.a"
2552 SLIBPREF=""
2553 SLIBSUF=".dll"
2554 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2555 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2556 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2557 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2558 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2559 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2560 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2561 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2562 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2563 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2564 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2565 enable dos_paths
2566 ;;
2567 gnu/kfreebsd)
2568 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2569 ;;
2570 gnu)
2571 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2572 ;;
2573 qnx)
2574 add_cppflags -D_QNX_SOURCE
2575 network_extralibs="-lsocket"
2576 ;;
2577 symbian)
2578 SLIBSUF=".dll"
2579 enable dos_paths
2580 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2581 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2582 add_ldflags -Wl,--target1-abs,--no-undefined \
2583 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2584 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2585 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2586 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2587 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2588 ;;
2589 none)
2590 ;;
2591 *)
2592 die "Unknown OS '$target_os'."
2593 ;;
2594 esac
2595
2596 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2597
2598 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2599
2600 set_default $PATHS_LIST
2601
2602 # we need to build at least one lib type
2603 if ! enabled_any static shared; then
2604 cat <<EOF
2605 At least one library type must be built.
2606 Specify --enable-static to build the static libraries or --enable-shared to
2607 build the shared libraries as well. To only build the shared libraries specify
2608 --disable-static in addition to --enable-shared.
2609 EOF
2610 exit 1;
2611 fi
2612
2613 die_license_disabled() {
2614 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2615 }
2616
2617 die_license_disabled gpl libcdio
2618 die_license_disabled gpl libx264
2619 die_license_disabled gpl libxavs
2620 die_license_disabled gpl libxvid
2621 die_license_disabled gpl x11grab
2622
2623 die_license_disabled nonfree libfaac
2624 die_license_disabled nonfree openssl
2625
2626 die_license_disabled version3 libopencore_amrnb
2627 die_license_disabled version3 libopencore_amrwb
2628 die_license_disabled version3 libvo_aacenc
2629 die_license_disabled version3 libvo_amrwbenc
2630
2631 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2632
2633 disabled optimizations || check_cflags -fomit-frame-pointer
2634
2635 enable_pic() {
2636 enable pic
2637 add_cppflags -DPIC
2638 add_cflags -fPIC
2639 add_asflags -fPIC
2640 }
2641
2642 enabled pic && enable_pic
2643
2644 check_cc <<EOF || die "Symbol mangling check failed."
2645 int ff_extern;
2646 EOF
2647 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2648 extern_prefix=${sym%%ff_extern*}
2649
2650 check_cc <<EOF && enable inline_asm
2651 void foo(void) { __asm__ volatile ("" ::); }
2652 EOF
2653
2654 _restrict=
2655 for restrict_keyword in restrict __restrict__ __restrict; do
2656 check_cc <<EOF && _restrict=$restrict_keyword && break
2657 void foo(char * $restrict_keyword p);
2658 EOF
2659 done
2660
2661 check_cc <<EOF && enable attribute_packed
2662 struct { int x; } __attribute__((packed)) x;
2663 EOF
2664
2665 check_cc <<EOF && enable attribute_may_alias
2666 union { int x; } __attribute__((may_alias)) x;
2667 EOF
2668
2669 check_cc <<EOF || die "endian test failed"
2670 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2671 EOF
2672 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2673
2674 if enabled alpha; then
2675
2676 check_cflags -mieee
2677
2678 elif enabled arm; then
2679
2680 enabled thumb && check_cflags -mthumb || check_cflags -marm
2681 nogas=die
2682
2683 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2684 enable vfp_args
2685 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2686 case "${cross_prefix:-$cc}" in
2687 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2688 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2689 __asm__ (".eabi_attribute 28, 1");
2690 int main(void) { return 0; }
2691 EOF
2692 esac
2693 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2694 fi
2695
2696 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2697 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2698 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2699 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2700 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2701 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2702
2703 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2704
2705 enabled_all armv6t2 shared !pic && enable_pic
2706
2707 elif enabled mips; then
2708
2709 check_asm loongson '"dmult.g $1, $2, $3"'
2710 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2711
2712 elif enabled ppc; then
2713
2714 enable local_aligned_8 local_aligned_16
2715
2716 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2717 check_asm ibm_asm '"add 0, 0, 0"'
2718 check_asm ppc4xx '"maclhw r10, r11, r12"'
2719 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2720
2721 # AltiVec flags: The FSF version of GCC differs from the Apple version
2722 if enabled altivec; then
2723 nogas=warn
2724 check_cflags -maltivec -mabi=altivec &&
2725 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2726 check_cflags -faltivec
2727
2728 # check if our compiler supports Motorola AltiVec C API
2729 check_cc <<EOF || disable altivec
2730 $inc_altivec_h
2731 int main(void) {
2732 vector signed int v1, v2, v3;
2733 v1 = vec_add(v2,v3);
2734 return 0;
2735 }
2736 EOF
2737
2738 # check if our compiler supports braces for vector declarations
2739 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2740 $inc_altivec_h
2741 int main (void) { (vector int) {1}; return 0; }
2742 EOF
2743 fi
2744
2745 elif enabled sparc; then
2746
2747 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2748 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2749
2750 elif enabled x86; then
2751
2752 enable local_aligned_8 local_aligned_16
2753
2754 # check whether EBP is available on x86
2755 # As 'i' is stored on the stack, this program will crash
2756 # if the base pointer is used to access it because the
2757 # base pointer is cleared in the inline assembly code.
2758 check_exec_crash <<EOF && enable ebp_available
2759 volatile int i=0;
2760 __asm__ volatile (
2761 "xorl %%ebp, %%ebp"
2762 ::: "%ebp");
2763 return i;
2764 EOF
2765
2766 # check whether EBX is available on x86
2767 check_asm ebx_available '""::"b"(0)' &&
2768 check_asm ebx_available '"":::"%ebx"'
2769
2770 # check whether xmm clobbers are supported
2771 check_asm xmm_clobbers '"":::"%xmm0"'
2772
2773 # check whether binutils is new enough to compile SSSE3/MMX2
2774 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2775 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2776
2777 if ! disabled_any asm mmx yasm; then
2778 if check_cmd $yasmexe --version; then
2779 enabled x86_64 && yasm_extra="-m amd64"
2780 yasm_debug="-g dwarf2"
2781 elif check_cmd nasm -v; then
2782 yasmexe=nasm
2783 yasm_debug="-g -F dwarf"
2784 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2785 fi
2786
2787 YASMFLAGS="-f $objformat $yasm_extra"
2788 enabled pic && append YASMFLAGS "-DPIC"
2789 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2790 case "$objformat" in
2791 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2792 esac
2793
2794 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2795 die "yasm not found, use --disable-yasm for a crippled build"
2796 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2797 fi
2798
2799 case "$cpu" in
2800 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2801 disable fast_clz
2802 ;;
2803 esac
2804
2805 fi
2806
2807 if enabled asm; then
2808 as=${gas:=$as}
2809 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2810 $nogas "GNU assembler not found, install gas-preprocessor"
2811 fi
2812
2813 check_ldflags -Wl,--as-needed
2814
2815 if check_func dlopen; then
2816 ldl=
2817 elif check_func dlopen -ldl; then
2818 ldl=-ldl
2819 fi
2820
2821 if enabled network; then
2822 check_type "sys/types.h sys/socket.h" socklen_t
2823 check_type netdb.h "struct addrinfo"
2824 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2825 check_type netinet/in.h "struct sockaddr_in6"
2826 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2827 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2828 # Prefer arpa/inet.h over winsock2
2829 if check_header arpa/inet.h ; then
2830 check_func closesocket
2831 elif check_header winsock2.h ; then
2832 check_func_headers winsock2.h closesocket -lws2 && \
2833 network_extralibs="-lws2" || \
2834 { check_func_headers winsock2.h closesocket -lws2_32 && \
2835 network_extralibs="-lws2_32"; }
2836 check_type ws2tcpip.h socklen_t
2837 check_type ws2tcpip.h "struct addrinfo"
2838 check_type ws2tcpip.h "struct ipv6_mreq"
2839 check_type ws2tcpip.h "struct sockaddr_in6"
2840 check_type ws2tcpip.h "struct sockaddr_storage"
2841 check_struct winsock2.h "struct sockaddr" sa_len
2842 else
2843 disable network
2844 fi
2845 fi
2846
2847 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2848 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2849
2850 check_func fcntl
2851 check_func fork
2852 check_func getaddrinfo $network_extralibs
2853 check_func gethrtime
2854 check_func getrusage
2855 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2856 check_func inet_aton $network_extralibs
2857 check_func isatty
2858 check_func localtime_r
2859 check_func ${malloc_prefix}memalign && enable memalign
2860 check_func mkstemp
2861 check_func mmap
2862 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2863 check_func setrlimit
2864 check_func strerror_r
2865 check_func strptime
2866 check_func strtok_r
2867 check_func sched_getaffinity
2868 check_func sysconf
2869 check_func sysctl
2870 check_func_headers io.h setmode
2871 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2872 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2873 check_func_headers windows.h GetProcessAffinityMask
2874 check_func_headers windows.h GetProcessTimes
2875 check_func_headers windows.h MapViewOfFile
2876 check_func_headers windows.h VirtualAlloc
2877
2878 check_header dlfcn.h
2879 check_header dxva2api.h
2880 check_header malloc.h
2881 check_header poll.h
2882 check_header sys/mman.h
2883 check_header sys/param.h
2884 check_header sys/resource.h
2885 check_header sys/select.h
2886 check_header vdpau/vdpau.h
2887 check_header vdpau/vdpau_x11.h
2888 check_header X11/extensions/XvMClib.h
2889
2890 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2891 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2892
2893 if ! disabled w32threads && ! enabled pthreads; then
2894 check_func _beginthreadex && enable w32threads
2895 fi
2896
2897 # check for some common methods of building with pthread support
2898 # do this before the optional library checks as some of them require pthreads
2899 if ! disabled pthreads && ! enabled w32threads; then
2900 enable pthreads
2901 if check_func pthread_create; then
2902 :
2903 elif check_func pthread_create -pthread; then
2904 add_cflags -pthread
2905 add_extralibs -pthread
2906 elif check_func pthread_create -pthreads; then
2907 add_cflags -pthreads
2908 add_extralibs -pthreads
2909 elif check_func pthread_create -lpthreadGC2; then
2910 add_extralibs -lpthreadGC2
2911 elif ! check_lib pthread.h pthread_create -lpthread; then
2912 disable pthreads
2913 fi
2914 fi
2915
2916 for thread in $THREADS_LIST; do
2917 if enabled $thread; then
2918 test -n "$thread_type" &&
2919 die "ERROR: Only one thread type must be selected." ||
2920 thread_type="$thread"
2921 fi
2922 done
2923
2924 check_lib math.h sin -lm && LIBM="-lm"
2925 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2926
2927 check_mathfunc exp2
2928 check_mathfunc exp2f
2929 check_mathfunc llrint
2930 check_mathfunc llrintf
2931 check_mathfunc log2
2932 check_mathfunc log2f
2933 check_mathfunc lrint
2934 check_mathfunc lrintf
2935 check_mathfunc round
2936 check_mathfunc roundf
2937 check_mathfunc trunc
2938 check_mathfunc truncf
2939
2940 # these are off by default, so fail if requested and not available
2941 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2942 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2943 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2944 enabled libdirac && require_pkg_config dirac \
2945 "libdirac_decoder/dirac_parser.h" \
2946 "dirac_decoder_init"
2947 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2948 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2949 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2950 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2951 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2952 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2953 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2954 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2955 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2956 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2957 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2958 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2959 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2960 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2961 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2962 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2963 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2964 enabled libvpx && {
2965 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2966 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2967 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2968 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2969 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2970 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2971 die "ERROR: libx264 version must be >= 0.118."; }
2972 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2973 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2974 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2975 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2976 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2977 die "ERROR: openssl not found"; }
2978
2979 # libdc1394 check
2980 if enabled libdc1394; then
2981 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2982 enable libdc1394_2; } ||
2983 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2984 enable libdc1394_1; } ||
2985 die "ERROR: No version of libdc1394 found "
2986 fi
2987
2988 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2989 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2990 enable sdl &&
2991 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2992 fi
2993
2994 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2995
2996 check_header linux/fb.h
2997 check_header linux/videodev2.h
2998 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2999
3000 check_header sys/videoio.h
3001
3002 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3003 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3004 # w32api 3.12 had it defined wrong
3005 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3006
3007 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3008 { check_header dev/bktr/ioctl_meteor.h &&
3009 check_header dev/bktr/ioctl_bt848.h; } ||
3010 { check_header machine/ioctl_meteor.h &&
3011 check_header machine/ioctl_bt848.h; } ||
3012 { check_header dev/video/meteor/ioctl_meteor.h &&
3013 check_header dev/video/bktr/ioctl_bt848.h; } ||
3014 check_header dev/ic/bt8xx.h
3015
3016 check_header sndio.h
3017 check_header sys/soundcard.h
3018 check_header soundcard.h
3019
3020 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3021
3022 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3023
3024 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3025
3026 enabled libcdio &&
3027 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3028
3029 enabled x11grab &&
3030 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3031 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3032 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3033
3034 # check for VDA header
3035 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3036 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3037 fi
3038
3039 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3040 check_cpp_condition \
3041 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3042 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3043 disable vdpau; }
3044 fi
3045
3046 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3047
3048 # add some useful compiler flags if supported
3049 check_cflags -Wdeclaration-after-statement
3050 check_cflags -Wall
3051 check_cflags -Wno-parentheses
3052 check_cflags -Wno-switch
3053 check_cflags -Wno-format-zero-length
3054 check_cflags -Wdisabled-optimization
3055 check_cflags -Wpointer-arith
3056 check_cflags -Wredundant-decls
3057 check_cflags -Wno-pointer-sign
3058 check_cflags -Wcast-qual
3059 check_cflags -Wwrite-strings
3060 check_cflags -Wtype-limits
3061 check_cflags -Wundef
3062 check_cflags -Wmissing-prototypes
3063 check_cflags -Wstrict-prototypes
3064 enabled extra_warnings && check_cflags -Winline
3065
3066 # add some linker flags
3067 check_ldflags -Wl,--warn-common
3068 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3069 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3070
3071 enabled xmm_clobber_test && \
3072 check_ldflags -Wl,--wrap,avcodec_open2 \
3073 -Wl,--wrap,avcodec_decode_audio4 \
3074 -Wl,--wrap,avcodec_decode_video2 \
3075 -Wl,--wrap,avcodec_decode_subtitle2 \
3076 -Wl,--wrap,avcodec_encode_audio2 \
3077 -Wl,--wrap,avcodec_encode_video \
3078 -Wl,--wrap,avcodec_encode_subtitle \
3079 -Wl,--wrap,sws_scale || \
3080 disable xmm_clobber_test
3081
3082 echo "X{};" > $TMPV
3083 if test_ldflags -Wl,--version-script,$TMPV; then
3084 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3085 check_cc <<EOF && enable symver_asm_label
3086 void ff_foo(void) __asm__ ("av_foo@VERSION");
3087 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3088 EOF
3089 check_cc <<EOF && enable symver_gnu_asm
3090 __asm__(".symver ff_foo,av_foo@VERSION");
3091 void ff_foo(void) {}
3092 EOF
3093 fi
3094
3095 if [ -n "$optflags" ]; then
3096 add_cflags $optflags
3097 elif enabled small; then
3098 add_cflags $size_cflags
3099 elif enabled optimizations; then
3100 add_cflags $speed_cflags
3101 else
3102 add_cflags $noopt_cflags
3103 fi
3104 check_cflags -fno-math-errno
3105 check_cflags -fno-signed-zeros
3106
3107 if enabled icc; then
3108 # Just warnings, no remarks
3109 check_cflags -w1
3110 # -wd: Disable following warnings
3111 # 144, 167, 556: -Wno-pointer-sign
3112 # 1292: attribute "foo" ignored
3113 # 10006: ignoring unknown option -fno-signed-zeros
3114 # 10148: ignoring unknown option -Wno-parentheses
3115 # 10156: ignoring option '-W'; no argument required
3116 check_cflags -wd144,167,556,1292,10006,10148,10156
3117 # 11030: Warning unknown option --as-needed
3118 # 10156: ignoring option '-export'; no argument required
3119 check_ldflags -wd10156,11030
3120 # Allow to compile with optimizations
3121 check_ldflags -march=$cpu
3122 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3123 enable ebp_available
3124 if enabled x86_32; then
3125 test ${icc_version%%.*} -ge 11 && \
3126 check_cflags -falign-stack=maintain-16-byte || \
3127 disable aligned_stack
3128 fi
3129 elif enabled ccc; then
3130 # disable some annoying warnings
3131 add_cflags -msg_disable cvtu32to64
3132 add_cflags -msg_disable embedcomment
3133 add_cflags -msg_disable needconstext
3134 add_cflags -msg_disable nomainieee
3135 add_cflags -msg_disable ptrmismatch1
3136 add_cflags -msg_disable unreachcode
3137 elif enabled gcc; then
3138 check_cflags -fno-tree-vectorize
3139 check_cflags -Werror=implicit-function-declaration
3140 check_cflags -Werror=missing-prototypes
3141 check_cflags -Werror=declaration-after-statement
3142 elif enabled llvm_gcc; then
3143 check_cflags -mllvm -stack-alignment=16
3144 elif enabled clang; then
3145 check_cflags -mllvm -stack-alignment=16
3146 check_cflags -Qunused-arguments
3147 elif enabled armcc; then
3148 # 2523: use of inline assembler is deprecated
3149 add_cflags -W${armcc_opt},--diag_suppress=2523
3150 add_cflags -W${armcc_opt},--diag_suppress=1207
3151 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3152 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3153 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3154 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3155 elif enabled tms470; then
3156 add_cflags -pds=824 -pds=837
3157 elif enabled pathscale; then
3158 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3159 fi
3160
3161 enabled_any $THREADS_LIST && enable threads
3162
3163 check_deps $CONFIG_LIST \
3164 $CONFIG_EXTRA \
3165 $HAVE_LIST \
3166 $ALL_COMPONENTS \
3167 $ALL_TESTS \
3168
3169 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3170
3171 ! enabled_any memalign posix_memalign malloc_aligned &&
3172 enabled_any $need_memalign && enable memalign_hack
3173
3174 echo "install prefix $prefix"
3175 echo "source path $source_path"
3176 echo "C compiler $cc"
3177 echo "ARCH $arch ($cpu)"
3178 if test "$build_suffix" != ""; then
3179 echo "build suffix $build_suffix"
3180 fi
3181 if test "$extra_version" != ""; then
3182 echo "version string suffix $extra_version"
3183 fi
3184 echo "big-endian ${bigendian-no}"
3185 echo "runtime cpu detection ${runtime_cpudetect-no}"
3186 if enabled x86; then
3187 echo "${yasmexe} ${yasm-no}"
3188 echo "MMX enabled ${mmx-no}"
3189 echo "MMX2 enabled ${mmx2-no}"
3190 echo "3DNow! enabled ${amd3dnow-no}"
3191 echo "3DNow! extended enabled ${amd3dnowext-no}"
3192 echo "SSE enabled ${sse-no}"
3193 echo "SSSE3 enabled ${ssse3-no}"
3194 echo "AVX enabled ${avx-no}"
3195 echo "CMOV enabled ${cmov-no}"
3196 echo "CMOV is fast ${fast_cmov-no}"
3197 echo "EBX available ${ebx_available-no}"
3198 echo "EBP available ${ebp_available-no}"
3199 fi
3200 if enabled arm; then
3201 echo "ARMv5TE enabled ${armv5te-no}"
3202 echo "ARMv6 enabled ${armv6-no}"
3203 echo "ARMv6T2 enabled ${armv6t2-no}"
3204 echo "ARM VFP enabled ${armvfp-no}"
3205 echo "NEON enabled ${neon-no}"
3206 fi
3207 if enabled mips; then
3208 echo "MMI enabled ${mmi-no}"
3209 fi
3210 if enabled ppc; then
3211 echo "AltiVec enabled ${altivec-no}"
3212 echo "PPC 4xx optimizations ${ppc4xx-no}"
3213 echo "dcbzl available ${dcbzl-no}"
3214 fi
3215 if enabled sparc; then
3216 echo "VIS enabled ${vis-no}"
3217 fi
3218 echo "debug symbols ${debug-no}"
3219 echo "optimize for size ${small-no}"
3220 echo "optimizations ${optimizations-no}"
3221 echo "static ${static-no}"
3222 echo "shared ${shared-no}"
3223 echo "new filter support ${avfilter-no}"
3224 echo "network support ${network-no}"
3225 echo "threading support ${thread_type-no}"
3226 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3227 echo "SDL support ${sdl-no}"
3228 echo "libdxva2 enabled ${dxva2-no}"
3229 echo "libva enabled ${vaapi-no}"
3230 echo "libvdpau enabled ${vdpau-no}"
3231 echo "AVISynth enabled ${avisynth-no}"
3232 echo "frei0r enabled ${frei0r-no}"
3233 echo "gnutls enabled ${gnutls-no}"
3234 echo "libcdio support ${libcdio-no}"
3235 echo "libdc1394 support ${libdc1394-no}"
3236 echo "libdirac enabled ${libdirac-no}"
3237 echo "libfaac enabled ${libfaac-no}"
3238 echo "libgsm enabled ${libgsm-no}"
3239 echo "libmp3lame enabled ${libmp3lame-no}"
3240 echo "libnut enabled ${libnut-no}"
3241 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3242 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3243 echo "libopencv support ${libopencv-no}"
3244 echo "libopenjpeg enabled ${libopenjpeg-no}"
3245 echo "libpulse enabled ${libpulse-no}"
3246 echo "librtmp enabled ${librtmp-no}"
3247 echo "libschroedinger enabled ${libschroedinger-no}"
3248 echo "libspeex enabled ${libspeex-no}"
3249 echo "libtheora enabled ${libtheora-no}"
3250 echo "libvo-aacenc support ${libvo_aacenc-no}"
3251 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3252 echo "libvorbis enabled ${libvorbis-no}"
3253 echo "libvpx enabled ${libvpx-no}"
3254 echo "libx264 enabled ${libx264-no}"
3255 echo "libxavs enabled ${libxavs-no}"
3256 echo "libxvid enabled ${libxvid-no}"
3257 echo "openssl enabled ${openssl-no}"
3258 echo "zlib enabled ${zlib-no}"
3259 echo "bzlib enabled ${bzlib-no}"
3260 echo
3261
3262 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3263 echo "Enabled ${type}s:"
3264 eval list=\$$(toupper $type)_LIST
3265 print_enabled '_*' $list | sort | pr -r -3 -t
3266 echo
3267 done
3268
3269 license="LGPL version 2.1 or later"
3270 if enabled nonfree; then
3271 license="nonfree and unredistributable"
3272 elif enabled gplv3; then
3273 license="GPL version 3 or later"
3274 elif enabled lgplv3; then
3275 license="LGPL version 3 or later"
3276 elif enabled gpl; then
3277 license="GPL version 2 or later"
3278 fi
3279
3280 echo "License: $license"
3281
3282 echo "Creating config.mak and config.h..."
3283
3284 test -e Makefile || $ln_s "$source_path/Makefile" .
3285
3286 config_files="$TMPH config.mak"
3287
3288 cat > config.mak <<EOF
3289 # Automatically generated by configure - do not modify!
3290 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3291 prefix=$prefix
3292 LIBDIR=\$(DESTDIR)$libdir
3293 SHLIBDIR=\$(DESTDIR)$shlibdir
3294 INCDIR=\$(DESTDIR)$incdir
3295 BINDIR=\$(DESTDIR)$bindir
3296 DATADIR=\$(DESTDIR)$datadir
3297 MANDIR=\$(DESTDIR)$mandir
3298 SRC_PATH=$source_path
3299 CC_IDENT=$cc_ident
3300 ARCH=$arch
3301 CC=$cc
3302 AS=$as
3303 LD=$ld
3304 DEPCC=$dep_cc
3305 YASM=$yasmexe
3306 YASMDEP=$yasmexe
3307 AR=$ar
3308 RANLIB=$ranlib
3309 LN_S=$ln_s
3310 CPPFLAGS=$CPPFLAGS
3311 CFLAGS=$CFLAGS
3312 ASFLAGS=$ASFLAGS
3313 AS_O=$CC_O
3314 CC_O=$CC_O
3315 DLLTOOL=$dlltool
3316 LDFLAGS=$LDFLAGS
3317 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3318 SHFLAGS=$SHFLAGS
3319 YASMFLAGS=$YASMFLAGS
3320 BUILDSUF=$build_suffix
3321 FULLNAME=$FULLNAME
3322 LIBPREF=$LIBPREF
3323 LIBSUF=$LIBSUF
3324 LIBNAME=$LIBNAME
3325 SLIBPREF=$SLIBPREF
3326 SLIBSUF=$SLIBSUF
3327 EXESUF=$EXESUF
3328 EXTRA_VERSION=$extra_version
3329 DEPFLAGS=$DEPFLAGS
3330 CCDEP=$CCDEP
3331 ASDEP=$ASDEP
3332 CC_DEPFLAGS=$CC_DEPFLAGS
3333 AS_DEPFLAGS=$AS_DEPFLAGS
3334 HOSTCC=$host_cc
3335 HOSTCFLAGS=$host_cflags
3336 HOSTEXESUF=$HOSTEXESUF
3337 HOSTLDFLAGS=$host_ldflags
3338 HOSTLIBS=$host_libs
3339 TARGET_EXEC=$target_exec
3340 TARGET_PATH=$target_path
3341 SDL_LIBS=$sdl_libs
3342 SDL_CFLAGS=$sdl_cflags
3343 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3344 EXTRALIBS=$extralibs
3345 INSTALL=install
3346 LIBTARGET=${LIBTARGET}
3347 SLIBNAME=${SLIBNAME}
3348 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3349 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3350 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3351 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3352 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3353 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3354 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3355 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3356 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3357 EOF
3358
3359 get_version(){
3360 name=$1
3361 file=$source_path/$2
3362 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3363 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3364 lcname=$(tolower $name)
3365 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3366 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3367 }
3368
3369 get_version LIBAVCODEC libavcodec/version.h
3370 get_version LIBAVDEVICE libavdevice/avdevice.h
3371 get_version LIBAVFILTER libavfilter/version.h
3372 get_version LIBAVFORMAT libavformat/version.h
3373 get_version LIBAVUTIL libavutil/avutil.h
3374 get_version LIBSWSCALE libswscale/swscale.h
3375
3376 cat > $TMPH <<EOF
3377 /* Automatically generated by configure - do not modify! */
3378 #ifndef LIBAV_CONFIG_H
3379 #define LIBAV_CONFIG_H
3380 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3381 #define LIBAV_LICENSE "$(c_escape $license)"
3382 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3383 #define CC_TYPE "$cc_type"
3384 #define CC_VERSION $cc_version
3385 #define restrict $_restrict
3386 #define EXTERN_PREFIX "${extern_prefix}"
3387 #define EXTERN_ASM ${extern_prefix}
3388 #define SLIBSUF "$SLIBSUF"
3389 EOF
3390
3391 test -n "$malloc_prefix" &&
3392 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3393
3394 if enabled small || disabled optimizations; then
3395 echo "#undef av_always_inline" >> $TMPH
3396 if enabled small; then
3397 echo "#define av_always_inline inline" >> $TMPH
3398 else
3399 echo "#define av_always_inline av_unused" >> $TMPH
3400 fi
3401 fi
3402
3403 if enabled yasm; then
3404 append config_files $TMPASM
3405 printf '' >$TMPASM
3406 fi
3407
3408 print_config ARCH_ "$config_files" $ARCH_LIST
3409 print_config HAVE_ "$config_files" $HAVE_LIST
3410 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3411 $CONFIG_EXTRA \
3412 $ALL_COMPONENTS \
3413
3414 cat >>config.mak <<EOF
3415 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3416 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3417 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3418 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3419 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3420 EOF
3421
3422 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3423
3424 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3425 cp_if_changed $TMPH config.h
3426 touch .config
3427
3428 enabled yasm && cp_if_changed $TMPASM config.asm
3429
3430 cat > $TMPH <<EOF
3431 /* Generated by ffconf */
3432 #ifndef AVUTIL_AVCONFIG_H
3433 #define AVUTIL_AVCONFIG_H
3434 EOF
3435
3436 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3437
3438 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3439
3440 cp_if_changed $TMPH libavutil/avconfig.h
3441
3442 test -n "$WARNINGS" && printf "\n$WARNINGS"
3443
3444 # build pkg-config files
3445
3446 pkgconfig_generate(){
3447 name=$1
3448 shortname=${name#lib}${build_suffix}
3449 comment=$2
3450 version=$3
3451 libs=$4
3452 requires=$5
3453 enabled ${name#lib} || return 0
3454 mkdir -p $name
3455 cat <<EOF > $name/$name.pc
3456 prefix=$prefix
3457 exec_prefix=\${prefix}
3458 libdir=$libdir
3459 includedir=$incdir
3460
3461 Name: $name
3462 Description: $comment
3463 Version: $version
3464 Requires: $(enabled shared || echo $requires)
3465 Requires.private: $(enabled shared && echo $requires)
3466 Conflicts:
3467 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3468 Libs.private: $(enabled shared && echo $libs)
3469 Cflags: -I\${includedir}
3470 EOF
3471 cat <<EOF > $name/$name-uninstalled.pc
3472 prefix=
3473 exec_prefix=
3474 libdir=\${pcfiledir}
3475 includedir=${source_path}
3476
3477 Name: $name
3478 Description: $comment
3479 Version: $version
3480 Requires: $requires
3481 Conflicts:
3482 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3483 Cflags: -I\${includedir}
3484 EOF
3485 }
3486
3487 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3488 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3489 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3490 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3491 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3492 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"