handle malloc failures in ff_get_wav_header
[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 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-frei0r enable frei0r video filtering
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libopencv enable video filtering via libopencv [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
203 --ar=AR use archive tool AR [$ar_default]
204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-avx disable AVX optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240 --disable-symver disable symbol versioning
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libgsm
932 libmp3lame
933 libnut
934 libopencore_amrnb
935 libopencore_amrwb
936 libopencv
937 libopenjpeg
938 librtmp
939 libschroedinger
940 libspeex
941 libtheora
942 libvo_aacenc
943 libvo_amrwbenc
944 libvorbis
945 libvpx
946 libx264
947 libxavs
948 libxvid
949 lpc
950 lsp
951 mdct
952 memalign_hack
953 mlib
954 mpegaudio_hp
955 network
956 nonfree
957 pic
958 postproc
959 rdft
960 rtpdec
961 runtime_cpudetect
962 shared
963 sinewin
964 small
965 sram
966 static
967 swscale
968 swscale_alpha
969 vaapi
970 vdpau
971 version3
972 x11grab
973 zlib
974 "
975
976 THREADS_LIST='
977 pthreads
978 w32threads
979 '
980
981 ARCH_LIST='
982 alpha
983 arm
984 avr32
985 avr32_ap
986 avr32_uc
987 bfin
988 ia64
989 m68k
990 mips
991 mips64
992 parisc
993 ppc
994 ppc64
995 s390
996 sh4
997 sparc
998 sparc64
999 tomi
1000 x86
1001 x86_32
1002 x86_64
1003 '
1004
1005 ARCH_EXT_LIST='
1006 altivec
1007 amd3dnow
1008 amd3dnowext
1009 armv5te
1010 armv6
1011 armv6t2
1012 armvfp
1013 avx
1014 iwmmxt
1015 mmi
1016 mmx
1017 mmx2
1018 neon
1019 ppc4xx
1020 sse
1021 ssse3
1022 vis
1023 '
1024
1025 HAVE_LIST_PUB='
1026 bigendian
1027 fast_unaligned
1028 '
1029
1030 HAVE_LIST="
1031 $ARCH_EXT_LIST
1032 $HAVE_LIST_PUB
1033 $THREADS_LIST
1034 aligned_stack
1035 alsa_asoundlib_h
1036 altivec_h
1037 arpa_inet_h
1038 attribute_may_alias
1039 attribute_packed
1040 bswap
1041 closesocket
1042 cmov
1043 dcbzl
1044 dev_bktr_ioctl_bt848_h
1045 dev_bktr_ioctl_meteor_h
1046 dev_ic_bt8xx_h
1047 dev_video_meteor_ioctl_meteor_h
1048 dev_video_bktr_ioctl_bt848_h
1049 dlfcn_h
1050 dlopen
1051 dos_paths
1052 ebp_available
1053 ebx_available
1054 exp2
1055 exp2f
1056 fast_64bit
1057 fast_clz
1058 fast_cmov
1059 fcntl
1060 fork
1061 getaddrinfo
1062 gethrtime
1063 GetProcessMemoryInfo
1064 GetProcessTimes
1065 getrusage
1066 gnu_as
1067 struct_rusage_ru_maxrss
1068 ibm_asm
1069 inet_aton
1070 inline_asm
1071 isatty
1072 kbhit
1073 ldbrx
1074 libdc1394_1
1075 libdc1394_2
1076 llrint
1077 llrintf
1078 local_aligned_16
1079 local_aligned_8
1080 log2
1081 log2f
1082 loongson
1083 lrint
1084 lrintf
1085 lzo1x_999_compress
1086 machine_ioctl_bt848_h
1087 machine_ioctl_meteor_h
1088 malloc_h
1089 MapViewOfFile
1090 memalign
1091 mkstemp
1092 mmap
1093 pld
1094 posix_memalign
1095 round
1096 roundf
1097 sdl
1098 sdl_video_size
1099 setmode
1100 sndio_h
1101 socklen_t
1102 soundcard_h
1103 poll_h
1104 setrlimit
1105 strerror_r
1106 strtok_r
1107 struct_addrinfo
1108 struct_ipv6_mreq
1109 struct_sockaddr_in6
1110 struct_sockaddr_sa_len
1111 struct_sockaddr_storage
1112 symver
1113 symver_gnu_asm
1114 symver_asm_label
1115 sys_mman_h
1116 sys_resource_h
1117 sys_select_h
1118 sys_soundcard_h
1119 sys_videoio_h
1120 ten_operands
1121 threads
1122 truncf
1123 vfp_args
1124 VirtualAlloc
1125 winsock2_h
1126 xform_asm
1127 xmm_clobbers
1128 yasm
1129 "
1130
1131 # options emitted with CONFIG_ prefix but not available on command line
1132 CONFIG_EXTRA="
1133 avutil
1134 gplv3
1135 lgplv3
1136 "
1137
1138 CMDLINE_SELECT="
1139 $ARCH_EXT_LIST
1140 $CONFIG_LIST
1141 $THREADS_LIST
1142 asm
1143 cross_compile
1144 debug
1145 extra_warnings
1146 logging
1147 optimizations
1148 symver
1149 yasm
1150 "
1151
1152 PATHS_LIST='
1153 bindir
1154 datadir
1155 incdir
1156 libdir
1157 mandir
1158 prefix
1159 shlibdir
1160 '
1161
1162 CMDLINE_SET="
1163 $PATHS_LIST
1164 ar
1165 arch
1166 as
1167 build_suffix
1168 cc
1169 cpu
1170 cross_prefix
1171 dep_cc
1172 extra_version
1173 host_cc
1174 host_cflags
1175 host_ldflags
1176 host_libs
1177 host_os
1178 ld
1179 logfile
1180 malloc_prefix
1181 nm
1182 pkg_config
1183 samples
1184 source_path
1185 sysinclude
1186 sysroot
1187 target_exec
1188 target_os
1189 target_path
1190 "
1191
1192 CMDLINE_APPEND="
1193 extra_cflags
1194 "
1195
1196 # code dependency declarations
1197
1198 # architecture extensions
1199
1200 armv5te_deps="arm"
1201 armv6_deps="arm"
1202 armv6t2_deps="arm"
1203 armvfp_deps="arm"
1204 iwmmxt_deps="arm"
1205 neon_deps="arm"
1206
1207 mmi_deps="mips"
1208
1209 altivec_deps="ppc"
1210 ppc4xx_deps="ppc"
1211
1212 vis_deps="sparc"
1213
1214 x86_64_suggest="cmov fast_cmov"
1215 amd3dnow_deps="mmx"
1216 amd3dnowext_deps="amd3dnow"
1217 mmx_deps="x86"
1218 mmx2_deps="mmx"
1219 sse_deps="mmx"
1220 ssse3_deps="sse"
1221 avx_deps="ssse3"
1222
1223 aligned_stack_if_any="ppc x86"
1224 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1225 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1226 fast_unaligned_if_any="armv6 ppc x86"
1227
1228 need_memalign="altivec neon sse"
1229 inline_asm_deps="!tms470"
1230
1231 symver_if_any="symver_asm_label symver_gnu_asm"
1232
1233 # subsystems
1234 dct_select="rdft"
1235 mdct_select="fft"
1236 rdft_select="fft"
1237
1238 # decoders / encoders / hardware accelerators
1239 aac_decoder_select="mdct rdft sinewin"
1240 aac_encoder_select="mdct sinewin"
1241 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1242 ac3_decoder_select="mdct ac3dsp ac3_parser"
1243 ac3_encoder_select="mdct ac3dsp"
1244 ac3_fixed_encoder_select="ac3dsp"
1245 alac_encoder_select="lpc"
1246 amrnb_decoder_select="lsp"
1247 amrwb_decoder_select="lsp"
1248 atrac1_decoder_select="mdct sinewin"
1249 atrac3_decoder_select="mdct"
1250 binkaudio_dct_decoder_select="mdct rdft dct"
1251 binkaudio_rdft_decoder_select="mdct rdft"
1252 cavs_decoder_select="golomb"
1253 cook_decoder_select="mdct sinewin"
1254 cscd_decoder_suggest="zlib"
1255 dca_decoder_select="mdct"
1256 dnxhd_encoder_select="aandct"
1257 dxa_decoder_select="zlib"
1258 eac3_decoder_select="ac3_decoder"
1259 eamad_decoder_select="aandct"
1260 eatgq_decoder_select="aandct"
1261 eatqi_decoder_select="aandct"
1262 ffv1_decoder_select="golomb"
1263 flac_decoder_select="golomb"
1264 flac_encoder_select="golomb lpc"
1265 flashsv_decoder_select="zlib"
1266 flashsv_encoder_select="zlib"
1267 flv_decoder_select="h263_decoder"
1268 flv_encoder_select="h263_encoder"
1269 fraps_decoder_select="huffman"
1270 h261_encoder_select="aandct"
1271 h263_decoder_select="h263_parser"
1272 h263_encoder_select="aandct"
1273 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1274 h263i_decoder_select="h263_decoder"
1275 h263p_encoder_select="h263_encoder"
1276 h264_decoder_select="golomb h264dsp h264pred"
1277 h264_dxva2_hwaccel_deps="dxva2api_h"
1278 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1279 h264_vaapi_hwaccel_select="vaapi"
1280 h264_vdpau_decoder_select="vdpau h264_decoder"
1281 imc_decoder_select="fft mdct"
1282 jpegls_decoder_select="golomb"
1283 jpegls_encoder_select="golomb"
1284 ljpeg_encoder_select="aandct"
1285 loco_decoder_select="golomb"
1286 mjpeg_encoder_select="aandct"
1287 mlp_decoder_select="mlp_parser"
1288 mp1float_decoder_select="dct"
1289 mp2float_decoder_select="dct"
1290 mp3adufloat_decoder_select="dct"
1291 mp3float_decoder_select="dct"
1292 mp3on4float_decoder_select="dct"
1293 mpeg1video_encoder_select="aandct"
1294 mpeg2video_encoder_select="aandct"
1295 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1296 mpeg4_encoder_select="h263_encoder"
1297 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1298 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1299 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1300 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1301 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1302 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1303 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1304 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1305 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1306 msmpeg4v1_decoder_select="h263_decoder"
1307 msmpeg4v1_encoder_select="h263_encoder"
1308 msmpeg4v2_decoder_select="h263_decoder"
1309 msmpeg4v2_encoder_select="h263_encoder"
1310 msmpeg4v3_decoder_select="h263_decoder"
1311 msmpeg4v3_encoder_select="h263_encoder"
1312 nellymoser_decoder_select="mdct sinewin"
1313 nellymoser_encoder_select="mdct sinewin"
1314 png_decoder_select="zlib"
1315 png_encoder_select="zlib"
1316 qcelp_decoder_select="lsp"
1317 qdm2_decoder_select="mdct rdft"
1318 ra_144_encoder_select="lpc"
1319 rv10_decoder_select="h263_decoder"
1320 rv10_encoder_select="h263_encoder"
1321 rv20_decoder_select="h263_decoder"
1322 rv20_encoder_select="h263_encoder"
1323 rv30_decoder_select="golomb h264pred"
1324 rv40_decoder_select="golomb h264pred"
1325 shorten_decoder_select="golomb"
1326 sipr_decoder_select="lsp"
1327 snow_decoder_select="dwt"
1328 snow_encoder_select="aandct dwt"
1329 svq1_encoder_select="aandct"
1330 svq3_decoder_select="golomb h264dsp h264pred"
1331 svq3_decoder_suggest="zlib"
1332 theora_decoder_select="vp3_decoder"
1333 tiff_decoder_suggest="zlib"
1334 tiff_encoder_suggest="zlib"
1335 truehd_decoder_select="mlp_decoder"
1336 tscc_decoder_select="zlib"
1337 twinvq_decoder_select="mdct lsp sinewin"
1338 vc1_decoder_select="h263_decoder"
1339 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1340 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1341 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1342 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1343 vorbis_decoder_select="mdct"
1344 vorbis_encoder_select="mdct"
1345 vp6_decoder_select="huffman"
1346 vp6a_decoder_select="vp6_decoder"
1347 vp6f_decoder_select="vp6_decoder"
1348 vp8_decoder_select="h264pred"
1349 wmapro_decoder_select="mdct sinewin"
1350 wmav1_decoder_select="mdct sinewin"
1351 wmav1_encoder_select="mdct sinewin"
1352 wmav2_decoder_select="mdct sinewin"
1353 wmav2_encoder_select="mdct sinewin"
1354 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1355 wmv1_decoder_select="h263_decoder"
1356 wmv1_encoder_select="h263_encoder"
1357 wmv2_decoder_select="h263_decoder"
1358 wmv2_encoder_select="h263_encoder"
1359 wmv3_decoder_select="vc1_decoder"
1360 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1361 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1362 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1363 zlib_decoder_select="zlib"
1364 zlib_encoder_select="zlib"
1365 zmbv_decoder_select="zlib"
1366 zmbv_encoder_select="zlib"
1367
1368 vaapi_deps="va_va_h"
1369 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1370
1371 # parsers
1372 h264_parser_select="golomb h264dsp h264pred"
1373
1374 # external libraries
1375 libdirac_decoder_deps="libdirac !libschroedinger"
1376 libdirac_encoder_deps="libdirac"
1377 libfaac_encoder_deps="libfaac"
1378 libgsm_decoder_deps="libgsm"
1379 libgsm_encoder_deps="libgsm"
1380 libgsm_ms_decoder_deps="libgsm"
1381 libgsm_ms_encoder_deps="libgsm"
1382 libmp3lame_encoder_deps="libmp3lame"
1383 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1384 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1385 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1386 libopenjpeg_decoder_deps="libopenjpeg"
1387 libschroedinger_decoder_deps="libschroedinger"
1388 libschroedinger_encoder_deps="libschroedinger"
1389 libspeex_decoder_deps="libspeex"
1390 libtheora_encoder_deps="libtheora"
1391 libvo_aacenc_encoder_deps="libvo_aacenc"
1392 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1393 libvorbis_encoder_deps="libvorbis"
1394 libvpx_decoder_deps="libvpx"
1395 libvpx_encoder_deps="libvpx"
1396 libx264_encoder_deps="libx264"
1397 libxavs_encoder_deps="libxavs"
1398 libxvid_encoder_deps="libxvid"
1399
1400 # demuxers / muxers
1401 ac3_demuxer_select="ac3_parser"
1402 asf_stream_muxer_select="asf_muxer"
1403 avisynth_demuxer_deps="avisynth"
1404 dirac_demuxer_select="dirac_parser"
1405 eac3_demuxer_select="ac3_parser"
1406 flac_demuxer_select="flac_parser"
1407 ipod_muxer_select="mov_muxer"
1408 libnut_demuxer_deps="libnut"
1409 libnut_muxer_deps="libnut"
1410 matroska_audio_muxer_select="matroska_muxer"
1411 matroska_demuxer_suggest="zlib bzlib"
1412 mov_demuxer_suggest="zlib"
1413 mp3_demuxer_select="mpegaudio_parser"
1414 mp4_muxer_select="mov_muxer"
1415 mpegtsraw_demuxer_select="mpegts_demuxer"
1416 mxf_d10_muxer_select="mxf_muxer"
1417 ogg_demuxer_select="golomb"
1418 psp_muxer_select="mov_muxer"
1419 rtp_demuxer_select="sdp_demuxer"
1420 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1421 rtsp_demuxer_select="http_protocol rtpdec"
1422 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1423 sap_demuxer_select="sdp_demuxer"
1424 sap_muxer_select="rtp_muxer rtp_protocol"
1425 sdp_demuxer_select="rtpdec"
1426 spdif_muxer_select="aac_parser"
1427 tg2_muxer_select="mov_muxer"
1428 tgp_muxer_select="mov_muxer"
1429 w64_demuxer_deps="wav_demuxer"
1430
1431 # indevs / outdevs
1432 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1433 alsa_outdev_deps="alsa_asoundlib_h"
1434 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1435 dv1394_indev_deps="dv1394 dv_demuxer"
1436 fbdev_indev_deps="linux_fb_h"
1437 jack_indev_deps="jack_jack_h"
1438 libdc1394_indev_deps="libdc1394"
1439 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1440 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1441 sndio_indev_deps="sndio_h"
1442 sndio_outdev_deps="sndio_h"
1443 v4l_indev_deps="linux_videodev_h"
1444 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1445 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1446 vfwcap_indev_extralibs="-lavicap32"
1447 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1448 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1449
1450 # protocols
1451 gopher_protocol_deps="network"
1452 http_protocol_deps="network"
1453 http_protocol_select="tcp_protocol"
1454 mmsh_protocol_select="http_protocol"
1455 mmst_protocol_deps="network"
1456 rtmp_protocol_select="tcp_protocol"
1457 rtp_protocol_select="udp_protocol"
1458 tcp_protocol_deps="network"
1459 udp_protocol_deps="network"
1460
1461 # filters
1462 blackframe_filter_deps="gpl"
1463 cropdetect_filter_deps="gpl"
1464 frei0r_filter_deps="frei0r dlopen strtok_r"
1465 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1466 hqdn3d_filter_deps="gpl"
1467 scale_filter_deps="swscale"
1468 ocv_filter_deps="libopencv"
1469 yadif_filter_deps="gpl"
1470
1471 # libraries
1472 avdevice_deps="avcodec avformat"
1473 avformat_deps="avcodec"
1474
1475 # programs
1476 ffmpeg_deps="avcodec avformat swscale"
1477 ffmpeg_select="buffer_filter"
1478 ffplay_deps="avcodec avformat swscale sdl"
1479 ffplay_select="rdft"
1480 ffprobe_deps="avcodec avformat"
1481 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1482 ffserver_extralibs='$ldl'
1483
1484 doc_deps="texi2html"
1485
1486 # tests
1487
1488 test_deps(){
1489 suf1=$1
1490 suf2=$2
1491 shift 2
1492 for v; do
1493 dep=${v%=*}
1494 tests=${v#*=}
1495 for name in ${tests}; do
1496 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1497 done
1498 done
1499 }
1500
1501 set_ne_test_deps(){
1502 eval ${1}_be_test_deps="bigendian"
1503 eval ${1}_le_test_deps="!bigendian"
1504 }
1505
1506 test_deps _encoder _decoder \
1507 adpcm_g726=g726 \
1508 adpcm_ima_qt \
1509 adpcm_ima_wav \
1510 adpcm_ms \
1511 adpcm_swf \
1512 adpcm_yamaha=adpcm_yam \
1513 alac \
1514 asv1 \
1515 asv2 \
1516 bmp \
1517 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1518 dvvideo="dv dv50" \
1519 ffv1 \
1520 flac \
1521 flashsv \
1522 flv \
1523 gif \
1524 h261 \
1525 h263="h263 h263p" \
1526 huffyuv \
1527 jpegls \
1528 mjpeg="jpg mjpeg ljpeg" \
1529 mp2 \
1530 mpeg1video="mpeg mpeg1b" \
1531 mpeg2video="mpeg2 mpeg2thread" \
1532 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1533 msmpeg4v3=msmpeg4 \
1534 msmpeg4v2 \
1535 pbm=pbmpipe \
1536 pcx \
1537 pgm="pgm pgmpipe" \
1538 png \
1539 ppm="ppm ppmpipe" \
1540 rawvideo="rgb yuv" \
1541 roq \
1542 rv10 \
1543 rv20 \
1544 sgi \
1545 snow="snow snowll" \
1546 svq1 \
1547 targa=tga \
1548 tiff \
1549 wmav1 \
1550 wmav2 \
1551 wmv1 \
1552 wmv2 \
1553
1554 test_deps _muxer _demuxer \
1555 aiff \
1556 pcm_alaw=alaw \
1557 asf \
1558 au \
1559 avi \
1560 dv=dv_fmt \
1561 ffm \
1562 flv=flv_fmt \
1563 gxf \
1564 matroska=mkv \
1565 mmf \
1566 mov \
1567 pcm_mulaw=mulaw \
1568 mxf \
1569 nut \
1570 ogg \
1571 rawvideo=pixfmt \
1572 rm \
1573 swf \
1574 mpegts=ts \
1575 voc \
1576 wav \
1577 yuv4mpegpipe=yuv4mpeg \
1578
1579 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1580 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1581
1582 set_ne_test_deps pixdesc
1583 set_ne_test_deps pixfmts_copy
1584 set_ne_test_deps pixfmts_crop
1585 set_ne_test_deps pixfmts_hflip
1586 set_ne_test_deps pixfmts_null
1587 set_ne_test_deps pixfmts_pad
1588 set_ne_test_deps pixfmts_scale
1589 set_ne_test_deps pixfmts_vflip
1590
1591 # default parameters
1592
1593 logfile="config.log"
1594
1595 # installation paths
1596 prefix_default="/usr/local"
1597 bindir_default='${prefix}/bin'
1598 datadir_default='${prefix}/share/ffmpeg'
1599 incdir_default='${prefix}/include'
1600 libdir_default='${prefix}/lib'
1601 mandir_default='${prefix}/share/man'
1602 shlibdir_default="$libdir_default"
1603
1604 # toolchain
1605 ar_default="ar"
1606 cc_default="gcc"
1607 cc_version=\"unknown\"
1608 host_cc_default="gcc"
1609 ln_s="ln -sf"
1610 nm_default="nm"
1611 objformat="elf"
1612 pkg_config_default=pkg-config
1613 ranlib="ranlib"
1614 yasmexe="yasm"
1615 nogas=":"
1616
1617 nm_opts='-g'
1618
1619 # machine
1620 arch_default=$(uname -m)
1621 cpu="generic"
1622
1623 # OS
1624 target_os_default=$(tolower $(uname -s))
1625 host_os=$target_os_default
1626
1627 # configurable options
1628 enable avcodec
1629 enable avdevice
1630 enable avfilter
1631 enable avformat
1632 enable avutil
1633 enable asm
1634 enable debug
1635 enable doc
1636 enable fastdiv
1637 enable ffmpeg
1638 enable ffplay
1639 enable ffprobe
1640 enable ffserver
1641 enable mpegaudio_hp
1642 enable network
1643 enable optimizations
1644 enable protocols
1645 enable static
1646 enable swscale
1647 enable swscale_alpha
1648
1649 # build settings
1650 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1651 FFSERVERLDFLAGS=-Wl,-E
1652 LIBPREF="lib"
1653 LIBSUF=".a"
1654 FULLNAME='$(NAME)$(BUILDSUF)'
1655 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1656 SLIBPREF="lib"
1657 SLIBSUF=".so"
1658 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1659 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1660 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1661 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1662
1663 CC_O='-o $@'
1664
1665 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1666 host_libs='-lm'
1667
1668 target_path='$(CURDIR)'
1669
1670 # since the object filename is not given with the -MM flag, the compiler
1671 # is only able to print the basename, and we must add the path ourselves
1672 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1673 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1674
1675 # find source path
1676 source_path="$(dirname "$0")"
1677 enable source_path_used
1678 if test -f configure; then
1679 source_path="$(pwd)"
1680 disable source_path_used
1681 else
1682 source_path="$(cd "$source_path"; pwd)"
1683 echo "$source_path" | grep -q '[[:blank:]]' &&
1684 die "Out of tree builds are impossible with whitespace in source path."
1685 test -e "$source_path/config.h" &&
1686 die "Out of tree builds are impossible with config.h in source dir."
1687 fi
1688
1689 for v in "$@"; do
1690 r=${v#*=}
1691 l=${v%"$r"}
1692 r=$(sh_quote "$r")
1693 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1694 done
1695
1696 find_things(){
1697 thing=$1
1698 pattern=$2
1699 file=$source_path/$3
1700 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1701 }
1702
1703 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1704 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1705 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1706 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1707 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1708 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1709 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1710 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1711 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1712 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1713 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1714
1715 find_tests(){
1716 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1717 }
1718
1719 ACODEC_TESTS=$(find_tests acodec)
1720 VCODEC_TESTS=$(find_tests vsynth1)
1721 LAVF_TESTS=$(find_tests lavf)
1722 LAVFI_TESTS=$(find_tests lavfi)
1723 SEEK_TESTS=$(find_tests seek seek_)
1724
1725 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1726
1727 for n in $COMPONENT_LIST; do
1728 v=$(toupper ${n%s})_LIST
1729 eval enable \$$v
1730 eval ${n}_if_any="\$$v"
1731 done
1732
1733 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1734
1735 die_unknown(){
1736 echo "Unknown option \"$1\"."
1737 echo "See $0 --help for available options."
1738 exit 1
1739 }
1740
1741 show_list() {
1742 suffix=_$1
1743 shift
1744 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1745 exit 0
1746 }
1747
1748 for opt do
1749 optval="${opt#*=}"
1750 case "$opt" in
1751 --extra-ldflags=*) add_ldflags $optval
1752 ;;
1753 --extra-libs=*) add_extralibs $optval
1754 ;;
1755 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1756 ;;
1757 --enable-debug=*) debuglevel="$optval"
1758 ;;
1759 --disable-everything)
1760 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1761 ;;
1762 --enable-*=*|--disable-*=*)
1763 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1764 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1765 eval list=\$$(toupper $thing)_LIST
1766 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1767 $action $(filter "$name" $list)
1768 ;;
1769 --enable-?*|--disable-?*)
1770 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1771 if is_in $option $COMPONENT_LIST; then
1772 test $action = disable && action=unset
1773 eval $action \$$(toupper ${option%s})_LIST
1774 elif is_in $option $CMDLINE_SELECT; then
1775 $action $option
1776 else
1777 die_unknown $opt
1778 fi
1779 ;;
1780 --list-*)
1781 NAME="${opt#--list-}"
1782 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1783 NAME=${NAME%s}
1784 eval show_list $NAME \$$(toupper $NAME)_LIST
1785 ;;
1786 --help|-h) show_help
1787 ;;
1788 *)
1789 optname="${opt%%=*}"
1790 optname="${optname#--}"
1791 optname=$(echo "$optname" | sed 's/-/_/g')
1792 if is_in $optname $CMDLINE_SET; then
1793 eval $optname='$optval'
1794 elif is_in $optname $CMDLINE_APPEND; then
1795 append $optname "$optval"
1796 else
1797 die_unknown $opt
1798 fi
1799 ;;
1800 esac
1801 done
1802
1803 disabled logging && logfile=/dev/null
1804
1805 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1806 set >> $logfile
1807
1808 test -n "$cross_prefix" && enable cross_compile
1809
1810 if enabled cross_compile; then
1811 test -n "$arch" && test -n "$target_os" ||
1812 die "Must specify target arch and OS when cross-compiling"
1813 fi
1814
1815 set_default arch target_os
1816
1817 ar_default="${cross_prefix}${ar_default}"
1818 cc_default="${cross_prefix}${cc_default}"
1819 nm_default="${cross_prefix}${nm_default}"
1820 pkg_config_default="${cross_prefix}${pkg_config_default}"
1821 ranlib="${cross_prefix}${ranlib}"
1822
1823 sysinclude_default="${sysroot}/usr/include"
1824
1825 set_default cc nm pkg_config sysinclude
1826 enabled cross_compile || host_cc_default=$cc
1827 set_default host_cc
1828
1829 exesuf() {
1830 case $1 in
1831 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1832 esac
1833 }
1834
1835 EXESUF=$(exesuf $target_os)
1836 HOSTEXESUF=$(exesuf $host_os)
1837
1838 # set temporary file name
1839 : ${TMPDIR:=$TEMPDIR}
1840 : ${TMPDIR:=$TMP}
1841 : ${TMPDIR:=/tmp}
1842
1843 if ! check_cmd mktemp -u XXXXXX; then
1844 # simple replacement for missing mktemp
1845 # NOT SAFE FOR GENERAL USE
1846 mktemp(){
1847 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1848 }
1849 fi
1850
1851 tmpfile(){
1852 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1853 (set -C; exec > $tmp) 2>/dev/null ||
1854 die "Unable to create temporary file in $TMPDIR."
1855 append TMPFILES $tmp
1856 eval $1=$tmp
1857 }
1858
1859 trap 'rm -f -- $TMPFILES' EXIT
1860
1861 tmpfile TMPC .c
1862 tmpfile TMPE $EXESUF
1863 tmpfile TMPH .h
1864 tmpfile TMPO .o
1865 tmpfile TMPS .S
1866 tmpfile TMPV .ver
1867 tmpfile TMPSH .sh
1868 tmpfile TMPASM .asm
1869
1870 unset -f mktemp
1871
1872 chmod +x $TMPE
1873
1874 # make sure we can execute files in $TMPDIR
1875 cat > $TMPSH 2>> $logfile <<EOF
1876 #! /bin/sh
1877 EOF
1878 chmod +x $TMPSH >> $logfile 2>&1
1879 if ! $TMPSH >> $logfile 2>&1; then
1880 cat <<EOF
1881 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1882 variable to another directory and make sure that it is not mounted noexec.
1883 EOF
1884 die "Sanity test failed."
1885 fi
1886
1887 filter_cflags=echo
1888 filter_cppflags=echo
1889 filter_asflags=echo
1890
1891 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1892 cc_type=llvm_gcc
1893 cc_version=__VERSION__
1894 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1895 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1896 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1897 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1898 speed_cflags='-O3'
1899 size_cflags='-Os'
1900 elif $cc -v 2>&1 | grep -qi ^gcc; then
1901 cc_type=gcc
1902 cc_version=__VERSION__
1903 gcc_version=$($cc --version | head -n1)
1904 gcc_basever=$($cc -dumpversion)
1905 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1906 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1907 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1908 if ! $cc -dumpversion | grep -q '^2\.'; then
1909 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1910 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1911 fi
1912 speed_cflags='-O3'
1913 size_cflags='-Os'
1914 elif $cc --version 2>/dev/null | grep -q Intel; then
1915 cc_type=icc
1916 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1917 cc_ident=$($cc --version | head -n1)
1918 icc_version=$($cc -dumpversion)
1919 CC_DEPFLAGS='-MMD'
1920 AS_DEPFLAGS='-MMD'
1921 speed_cflags='-O3'
1922 size_cflags='-Os'
1923 noopt_cflags='-O1'
1924 elif $cc -v 2>&1 | grep -q xlc; then
1925 cc_type=xlc
1926 cc_version="AV_STRINGIFY(__IBMC__)"
1927 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1928 speed_cflags='-O5'
1929 size_cflags='-O5 -qcompact'
1930 elif $cc -V 2>/dev/null | grep -q Compaq; then
1931 cc_type=ccc
1932 cc_version="AV_STRINGIFY(__DECC_VER)"
1933 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1934 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1935 debuglevel=3
1936 add_ldflags -Wl,-z,now # calls to libots crash without this
1937 speed_cflags='-fast'
1938 size_cflags='-O1'
1939 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1940 test -d "$sysroot" || die "No valid sysroot specified."
1941 cc_type=armcc
1942 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1943 cc_ident=$($cc --vsn | head -n1)
1944 armcc_conf="$PWD/armcc.conf"
1945 $cc --arm_linux_configure \
1946 --arm_linux_config_file="$armcc_conf" \
1947 --configure_sysroot="$sysroot" \
1948 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1949 die "Error creating armcc configuration file."
1950 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1951 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1952 as_default="${cross_prefix}gcc"
1953 CC_DEPFLAGS='-MMD'
1954 AS_DEPFLAGS='-MMD'
1955 speed_cflags='-O3'
1956 size_cflags='-Os'
1957 filter_asflags="filter_out -W${armcc_opt}*"
1958 elif $cc -version 2>/dev/null | grep -q TMS470; then
1959 cc_type=tms470
1960 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1961 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1962 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1963 CC_O='-fr=$(@D)'
1964 as_default="${cross_prefix}gcc"
1965 ld_default="${cross_prefix}gcc"
1966 TMPO=$(basename $TMPC .c).o
1967 append TMPFILES $TMPO
1968 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1969 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1970 AS_DEPFLAGS='-MMD'
1971 speed_cflags='-O3 -mf=5'
1972 size_cflags='-O3 -mf=2'
1973 filter_cflags=tms470_flags
1974 tms470_flags(){
1975 for flag; do
1976 case $flag in
1977 -march=*|-mcpu=*)
1978 case "${flag#*=}" in
1979 armv7-a|cortex-a*) echo -mv=7a8 ;;
1980 armv7-r|cortex-r*) echo -mv=7r4 ;;
1981 armv7-m|cortex-m*) echo -mv=7m3 ;;
1982 armv6*|arm11*) echo -mv=6 ;;
1983 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1984 echo -mv=5e ;;
1985 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1986 esac
1987 ;;
1988 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1989 -mfpu=vfp) echo --float_support=vfpv2 ;;
1990 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1991 -msoft-float) echo --float_support=vfplib ;;
1992 -O[0-3]|-mf=*) echo $flag ;;
1993 -g) echo -g -mn ;;
1994 -pds=*) echo $flag ;;
1995 esac
1996 done
1997 }
1998 elif $cc -v 2>&1 | grep -q clang; then
1999 cc_type=clang
2000 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2001 cc_version=__clang_version__ || cc_version=__VERSION__
2002 cc_ident=$($cc --version | head -n1)
2003 CC_DEPFLAGS='-MMD'
2004 AS_DEPFLAGS='-MMD'
2005 speed_cflags='-O3'
2006 size_cflags='-Os'
2007 elif $cc -V 2>&1 | grep -q Sun; then
2008 cc_type=suncc
2009 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2010 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2011 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2012 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2013 speed_cflags='-O5'
2014 size_cflags='-O5 -xspace'
2015 filter_cflags=suncc_flags
2016 suncc_flags(){
2017 for flag; do
2018 case $flag in
2019 -march=*|-mcpu=*)
2020 case "${flag#*=}" in
2021 native) echo -xtarget=native ;;
2022 v9|niagara) echo -xarch=sparc ;;
2023 ultrasparc) echo -xarch=sparcvis ;;
2024 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2025 i586|pentium) echo -xchip=pentium ;;
2026 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2027 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2028 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2029 pentium4*) echo -xtarget=pentium4 ;;
2030 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2031 *-sse3) echo -xarch=sse3 ;;
2032 core2) echo -xarch=ssse3 -xchip=core2 ;;
2033 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2034 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2035 k8|opteron|athlon64|athlon-fx)
2036 echo -xarch=sse2a ;;
2037 athlon*) echo -xarch=pentium_proa ;;
2038 esac
2039 ;;
2040 -std=c99) echo -xc99 ;;
2041 -fomit-frame-pointer) echo -xregs=frameptr ;;
2042 -fPIC) echo -KPIC -xcode=pic32 ;;
2043 -W*,*) echo $flag ;;
2044 -f*-*|-W*) ;;
2045 *) echo $flag ;;
2046 esac
2047 done
2048 }
2049 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2050 cc_type=pathscale
2051 cc_version=__PATHSCALE__
2052 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2053 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2054 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2055 speed_cflags='-O2'
2056 size_cflags='-Os'
2057 elif $cc -v 2>&1 | grep -q Open64; then
2058 cc_type=open64
2059 cc_version=__OPEN64__
2060 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2061 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2062 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2063 speed_cflags='-O2'
2064 size_cflags='-Os'
2065 fi
2066
2067 test -n "$cc_type" && enable $cc_type ||
2068 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2069
2070 : ${as_default:=$cc}
2071 : ${dep_cc_default:=$cc}
2072 : ${ld_default:=$cc}
2073 set_default ar as dep_cc ld
2074
2075 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2076 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2077
2078 add_cflags $extra_cflags
2079 add_asflags $extra_cflags
2080
2081 if test -n "$sysroot"; then
2082 case "$cc_type" in
2083 gcc|llvm_gcc|clang)
2084 add_cppflags --sysroot="$sysroot"
2085 add_ldflags --sysroot="$sysroot"
2086 ;;
2087 tms470)
2088 add_cppflags -I"$sysinclude"
2089 add_ldflags --sysroot="$sysroot"
2090 ;;
2091 esac
2092 fi
2093
2094 if test "$cpu" = host; then
2095 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2096
2097 case "$cc_type" in
2098 gcc|llvm_gcc)
2099 check_native(){
2100 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2101 sed -n "/$1=/{
2102 s/.*$1=\\([^ ]*\\).*/\\1/
2103 p
2104 q
2105 }" $TMPE
2106 }
2107 cpu=$(check_native -march || check_native -mcpu)
2108 ;;
2109 esac
2110
2111 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2112 fi
2113
2114 # Deal with common $arch aliases
2115 case "$arch" in
2116 arm*)
2117 arch="arm"
2118 ;;
2119 mips|mipsel|IP*)
2120 arch="mips"
2121 ;;
2122 mips64*)
2123 arch="mips"
2124 subarch="mips64"
2125 ;;
2126 parisc|hppa)
2127 arch="parisc"
2128 ;;
2129 parisc64|hppa64)
2130 arch="parisc"
2131 subarch="parisc64"
2132 ;;
2133 "Power Macintosh"|ppc|powerpc)
2134 arch="ppc"
2135 ;;
2136 ppc64|powerpc64)
2137 arch="ppc"
2138 subarch="ppc64"
2139 ;;
2140 s390|s390x)
2141 arch="s390"
2142 ;;
2143 sh4|sh)
2144 arch="sh4"
2145 ;;
2146 sun4u|sparc64)
2147 arch="sparc"
2148 subarch="sparc64"
2149 ;;
2150 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2151 arch="x86"
2152 ;;
2153 esac
2154
2155 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2156 enable $arch
2157
2158 # Add processor-specific flags
2159 if test "$cpu" = generic; then
2160 : do nothing
2161 elif enabled ppc; then
2162
2163 case $(tolower $cpu) in
2164 601|ppc601|powerpc601)
2165 cpuflags="-mcpu=601"
2166 disable altivec
2167 ;;
2168 603*|ppc603*|powerpc603*)
2169 cpuflags="-mcpu=603"
2170 disable altivec
2171 ;;
2172 604*|ppc604*|powerpc604*)
2173 cpuflags="-mcpu=604"
2174 disable altivec
2175 ;;
2176 g3|75*|ppc75*|powerpc75*)
2177 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2178 disable altivec
2179 ;;
2180 g4|745*|ppc745*|powerpc745*)
2181 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2182 ;;
2183 74*|ppc74*|powerpc74*)
2184 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2185 ;;
2186 g5|970|ppc970|powerpc970|power4*)
2187 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2188 ;;
2189 cell)
2190 cpuflags="-mcpu=cell"
2191 enable ldbrx
2192 ;;
2193 e500v2)
2194 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2195 disable altivec
2196 ;;
2197 e500)
2198 cpuflags="-mcpu=8540 -mhard-float"
2199 disable altivec
2200 ;;
2201 esac
2202
2203 elif enabled x86; then
2204
2205 case $cpu in
2206 i[345]86|pentium)
2207 cpuflags="-march=$cpu"
2208 disable mmx
2209 ;;
2210 # targets that do NOT support conditional mov (cmov)
2211 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2212 cpuflags="-march=$cpu"
2213 disable cmov
2214 ;;
2215 # targets that do support conditional mov (cmov)
2216 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2217 cpuflags="-march=$cpu"
2218 enable cmov
2219 enable fast_cmov
2220 ;;
2221 # targets that do support conditional mov but on which it's slow
2222 pentium4|pentium4m|prescott|nocona)
2223 cpuflags="-march=$cpu"
2224 enable cmov
2225 disable fast_cmov
2226 ;;
2227 esac
2228
2229 elif enabled sparc; then
2230
2231 case $cpu in
2232 niagara)
2233 cpuflags="-mcpu=$cpu"
2234 disable vis
2235 ;;
2236 sparc64)
2237 cpuflags="-mcpu=v9"
2238 ;;
2239 esac
2240
2241 elif enabled arm; then
2242
2243 case $cpu in
2244 armv*)
2245 cpuflags="-march=$cpu"
2246 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2247 ;;
2248 *)
2249 cpuflags="-mcpu=$cpu"
2250 case $cpu in
2251 cortex-a*) subarch=armv7a ;;
2252 cortex-r*) subarch=armv7r ;;
2253 cortex-m*) subarch=armv7m ;;
2254 arm11*) subarch=armv6 ;;
2255 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2256 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2257 esac
2258 ;;
2259 esac
2260
2261 elif enabled alpha; then
2262
2263 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2264
2265 elif enabled bfin; then
2266
2267 cpuflags="-mcpu=$cpu"
2268
2269 elif enabled mips; then
2270
2271 cpuflags="-march=$cpu"
2272
2273 elif enabled avr32; then
2274
2275 case $cpu in
2276 ap7[02]0[0-2])
2277 subarch="avr32_ap"
2278 cpuflags="-mpart=$cpu"
2279 ;;
2280 ap)
2281 subarch="avr32_ap"
2282 cpuflags="-march=$cpu"
2283 ;;
2284 uc3[ab]*)
2285 subarch="avr32_uc"
2286 cpuflags="-mcpu=$cpu"
2287 ;;
2288 uc)
2289 subarch="avr32_uc"
2290 cpuflags="-march=$cpu"
2291 ;;
2292 esac
2293
2294 fi
2295
2296 add_cflags $cpuflags
2297 add_asflags $cpuflags
2298
2299 # compiler sanity check
2300 check_exec <<EOF
2301 int main(void){ return 0; }
2302 EOF
2303 if test "$?" != 0; then
2304 echo "$cc is unable to create an executable file."
2305 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2306 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2307 echo "Only do this if you know what cross compiling means."
2308 fi
2309 die "C compiler test failed."
2310 fi
2311
2312 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2313 check_cflags -std=c99
2314 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2315 #include <stdlib.h>
2316 EOF
2317 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2318 #include <stdlib.h>
2319 EOF
2320
2321 check_host_cflags -std=c99
2322
2323 case "$arch" in
2324 alpha|ia64|mips|parisc|sparc)
2325 spic=$shared
2326 ;;
2327 x86)
2328 subarch="x86_32"
2329 check_cc <<EOF && subarch="x86_64"
2330 int test[(int)sizeof(char*) - 7];
2331 EOF
2332 if test "$subarch" = "x86_64"; then
2333 spic=$shared
2334 fi
2335 ;;
2336 esac
2337
2338 enable $subarch
2339 enabled spic && enable pic
2340
2341 # OS specific
2342 case $target_os in
2343 haiku)
2344 prefix_default="/boot/common"
2345 network_extralibs="-lnetwork"
2346 host_libs=
2347 ;;
2348 sunos)
2349 FFSERVERLDFLAGS=""
2350 SHFLAGS='-shared -Wl,-h,$$(@F)'
2351 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2352 network_extralibs="-lsocket -lnsl"
2353 add_cppflags -D__EXTENSIONS__
2354 nm_opts='-P -g'
2355 ;;
2356 netbsd)
2357 disable symver
2358 oss_indev_extralibs="-lossaudio"
2359 oss_outdev_extralibs="-lossaudio"
2360 add_cppflags -D_XOPEN_SOURCE=600
2361 ;;
2362 openbsd)
2363 enable malloc_aligned
2364 # On OpenBSD 4.5. the compiler does not use PIC unless
2365 # explicitly using -fPIC. Libav builds fine without PIC,
2366 # however the generated executable will not do anything
2367 # (simply quits with exit-code 1, no crash, no output).
2368 # Thus explicitly enable PIC here.
2369 enable pic
2370 disable symver
2371 SHFLAGS='-shared'
2372 oss_indev_extralibs="-lossaudio"
2373 oss_outdev_extralibs="-lossaudio"
2374 ;;
2375 dragonfly)
2376 enable malloc_aligned
2377 disable symver
2378 ;;
2379 freebsd)
2380 enable malloc_aligned
2381 ;;
2382 bsd/os)
2383 add_extralibs -lpoll -lgnugetopt
2384 ;;
2385 darwin)
2386 enable malloc_aligned
2387 gas="gas-preprocessor.pl $cc"
2388 enabled ppc && add_asflags -force_cpusubtype_ALL
2389 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2390 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2391 add_ldflags -Wl,-dynamic,-search_paths_first
2392 SLIBSUF=".dylib"
2393 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2394 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2395 FFSERVERLDFLAGS=-Wl,-bind_at_load
2396 objformat="macho"
2397 enabled x86_64 && objformat="macho64"
2398 enabled_any pic shared ||
2399 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2400 ;;
2401 mingw32*)
2402 if test $target_os = "mingw32ce"; then
2403 disable network
2404 else
2405 target_os=mingw32
2406 fi
2407 LIBTARGET=i386
2408 if enabled x86_64; then
2409 enable malloc_aligned
2410 LIBTARGET="i386:x86-64"
2411 elif enabled arm; then
2412 LIBTARGET=arm-wince
2413 fi
2414 shlibdir_default="$bindir_default"
2415 SLIBPREF=""
2416 SLIBSUF=".dll"
2417 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2418 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2419 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2420 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2421 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2422 install -d "$(LIBDIR)"; \
2423 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2424 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2425 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'
2426 objformat="win32"
2427 dlltool="${cross_prefix}dlltool"
2428 enable dos_paths
2429 check_cflags -fno-common
2430 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2431 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2432 die "ERROR: MinGW runtime version must be >= 3.15."
2433 add_cppflags -U__STRICT_ANSI__
2434 ;;
2435 cygwin*)
2436 target_os=cygwin
2437 shlibdir_default="$bindir_default"
2438 SLIBPREF="cyg"
2439 SLIBSUF=".dll"
2440 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2441 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2442 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2443 objformat="win32"
2444 enable dos_paths
2445 check_cflags -fno-common
2446 ;;
2447 *-dos|freedos|opendos)
2448 network_extralibs="-lsocket"
2449 objformat="coff"
2450 enable dos_paths
2451 ;;
2452 linux)
2453 enable dv1394
2454 ;;
2455 irix*)
2456 target_os=irix
2457 ranlib="echo ignoring ranlib"
2458 ;;
2459 os/2*)
2460 ln_s="cp -f"
2461 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2462 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2463 FFSERVERLDFLAGS=""
2464 LIBSUF="_s.a"
2465 SLIBPREF=""
2466 SLIBSUF=".dll"
2467 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2468 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2469 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2470 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2471 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2472 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2473 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2474 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2475 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2476 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2477 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2478 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2479 enable dos_paths
2480 ;;
2481 gnu/kfreebsd)
2482 ;;
2483 gnu)
2484 ;;
2485 qnx)
2486 add_cppflags -D_QNX_SOURCE
2487 network_extralibs="-lsocket"
2488 ;;
2489 symbian)
2490 SLIBSUF=".dll"
2491 enable dos_paths
2492 add_cflags --include=$sysinclude/gcce/gcce.h
2493 ;;
2494 none)
2495 ;;
2496 *)
2497 die "Unknown OS '$target_os'."
2498 ;;
2499 esac
2500
2501 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2502
2503 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2504
2505 set_default $PATHS_LIST
2506
2507 # we need to build at least one lib type
2508 if ! enabled_any static shared; then
2509 cat <<EOF
2510 At least one library type must be built.
2511 Specify --enable-static to build the static libraries or --enable-shared to
2512 build the shared libraries as well. To only build the shared libraries specify
2513 --disable-static in addition to --enable-shared.
2514 EOF
2515 exit 1;
2516 fi
2517
2518 disabled static && LIBNAME=""
2519
2520 die_license_disabled() {
2521 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2522 }
2523
2524 die_license_disabled gpl libx264
2525 die_license_disabled gpl libxavs
2526 die_license_disabled gpl libxvid
2527 die_license_disabled gpl postproc
2528 die_license_disabled gpl x11grab
2529
2530 die_license_disabled nonfree libfaac
2531
2532 die_license_disabled version3 libopencore_amrnb
2533 die_license_disabled version3 libopencore_amrwb
2534 die_license_disabled version3 libvo_aacenc
2535 die_license_disabled version3 libvo_amrwbenc
2536
2537 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2538
2539 disabled optimizations || check_cflags -fomit-frame-pointer
2540
2541 enable_pic() {
2542 enable pic
2543 add_cppflags -DPIC
2544 add_cflags -fPIC
2545 add_asflags -fPIC
2546 }
2547
2548 enabled pic && enable_pic
2549
2550 check_cc <<EOF || die "Symbol mangling check failed."
2551 int ff_extern;
2552 EOF
2553 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2554 extern_prefix=${sym%%ff_extern*}
2555
2556 check_cc <<EOF && enable inline_asm
2557 void foo(void) { __asm__ volatile ("" ::); }
2558 EOF
2559
2560 _restrict=
2561 for restrict_keyword in restrict __restrict__ __restrict; do
2562 check_cc <<EOF && _restrict=$restrict_keyword && break
2563 void foo(char * $restrict_keyword p);
2564 EOF
2565 done
2566
2567 check_cc <<EOF && enable attribute_packed
2568 struct { int x; } __attribute__((packed)) x;
2569 EOF
2570
2571 check_cc <<EOF && enable attribute_may_alias
2572 union { int x; } __attribute__((may_alias)) x;
2573 EOF
2574
2575 check_cc <<EOF || die "endian test failed"
2576 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2577 EOF
2578 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2579
2580 if enabled alpha; then
2581
2582 check_cflags -mieee
2583
2584 elif enabled arm; then
2585
2586 check_cflags -marm
2587 nogas=die
2588
2589 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2590 enable vfp_args
2591 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2592 case "${cross_prefix:-$cc}" in
2593 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2594 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2595 __asm__ (".eabi_attribute 28, 1");
2596 int main(void) { return 0; }
2597 EOF
2598 esac
2599 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2600 fi
2601
2602 # We have to check if pld is a nop and disable it.
2603 check_asm pld '"pld [r0]"'
2604
2605 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2606 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2607 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2608 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2609 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2610 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2611
2612 enabled_all armv6t2 shared !pic && enable_pic
2613
2614 elif enabled mips; then
2615
2616 check_asm loongson '"dmult.g $1, $2, $3"'
2617 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2618
2619 elif enabled ppc; then
2620
2621 enable local_aligned_8 local_aligned_16
2622
2623 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2624 check_asm ibm_asm '"add 0, 0, 0"'
2625 check_asm ppc4xx '"maclhw r10, r11, r12"'
2626 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2627
2628 # AltiVec flags: The FSF version of GCC differs from the Apple version
2629 if enabled altivec; then
2630 nogas=warn
2631 check_cflags -maltivec -mabi=altivec &&
2632 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2633 check_cflags -faltivec
2634
2635 # check if our compiler supports Motorola AltiVec C API
2636 check_cc <<EOF || disable altivec
2637 $inc_altivec_h
2638 int main(void) {
2639 vector signed int v1, v2, v3;
2640 v1 = vec_add(v2,v3);
2641 return 0;
2642 }
2643 EOF
2644
2645 # check if our compiler supports braces for vector declarations
2646 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2647 $inc_altivec_h
2648 int main (void) { (vector int) {1}; return 0; }
2649 EOF
2650 fi
2651
2652 elif enabled sparc; then
2653
2654 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2655 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2656
2657 elif enabled x86; then
2658
2659 enable local_aligned_8 local_aligned_16
2660
2661 # check whether EBP is available on x86
2662 # As 'i' is stored on the stack, this program will crash
2663 # if the base pointer is used to access it because the
2664 # base pointer is cleared in the inline assembly code.
2665 check_exec_crash <<EOF && enable ebp_available
2666 volatile int i=0;
2667 __asm__ volatile (
2668 "xorl %%ebp, %%ebp"
2669 ::: "%ebp");
2670 return i;
2671 EOF
2672
2673 # check whether EBX is available on x86
2674 check_asm ebx_available '""::"b"(0)' &&
2675 check_asm ebx_available '"":::"%ebx"'
2676
2677 # check whether xmm clobbers are supported
2678 check_asm xmm_clobbers '"":::"%xmm0"'
2679
2680 # check whether more than 10 operands are supported
2681 check_cc <<EOF && enable ten_operands
2682 int main(void) {
2683 int x=0;
2684 __asm__ volatile(
2685 ""
2686 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2687 );
2688 return 0;
2689 }
2690 EOF
2691
2692 # check whether binutils is new enough to compile SSSE3/MMX2
2693 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2694 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2695
2696 check_asm bswap '"bswap %%eax" ::: "%eax"'
2697
2698 if ! disabled_any asm mmx yasm; then
2699 if check_cmd $yasmexe --version; then
2700 enabled x86_64 && yasm_extra="-m amd64"
2701 yasm_debug="-g dwarf2"
2702 elif check_cmd nasm -v; then
2703 yasmexe=nasm
2704 yasm_debug="-g -F dwarf"
2705 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2706 fi
2707
2708 YASMFLAGS="-f $objformat $yasm_extra"
2709 enabled pic && append YASMFLAGS "-DPIC"
2710 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2711 case "$objformat" in
2712 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2713 esac
2714
2715 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2716 die "yasm not found, use --disable-yasm for a crippled build"
2717 check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2718 fi
2719
2720 case "$cpu" in
2721 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2722 disable fast_clz
2723 ;;
2724 esac
2725
2726 fi
2727
2728 if enabled asm; then
2729 as=${gas:=$as}
2730 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2731 $nogas "GNU assembler not found, install gas-preprocessor"
2732 fi
2733
2734 check_ldflags -Wl,--as-needed
2735
2736 if check_func dlopen; then
2737 ldl=
2738 elif check_func dlopen -ldl; then
2739 ldl=-ldl
2740 fi
2741
2742 if enabled network; then
2743 check_type "sys/types.h sys/socket.h" socklen_t
2744 check_type netdb.h "struct addrinfo"
2745 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2746 check_type netinet/in.h "struct sockaddr_in6"
2747 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2748 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2749 # Prefer arpa/inet.h over winsock2
2750 if check_header arpa/inet.h ; then
2751 check_func closesocket
2752 elif check_header winsock2.h ; then
2753 check_func_headers winsock2.h closesocket -lws2 && \
2754 network_extralibs="-lws2" || \
2755 { check_func_headers winsock2.h closesocket -lws2_32 && \
2756 network_extralibs="-lws2_32"; }
2757 check_type ws2tcpip.h socklen_t
2758 check_type ws2tcpip.h "struct addrinfo"
2759 check_type ws2tcpip.h "struct ipv6_mreq"
2760 check_type ws2tcpip.h "struct sockaddr_in6"
2761 check_type ws2tcpip.h "struct sockaddr_storage"
2762 check_struct winsock2.h "struct sockaddr" sa_len
2763 else
2764 disable network
2765 fi
2766 fi
2767
2768 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2769 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2770
2771 check_func fcntl
2772 check_func fork
2773 check_func getaddrinfo $network_extralibs
2774 check_func gethrtime
2775 check_func getrusage
2776 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2777 check_func inet_aton $network_extralibs
2778 check_func isatty
2779 check_func ${malloc_prefix}memalign && enable memalign
2780 check_func mkstemp
2781 check_func mmap
2782 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2783 check_func setrlimit
2784 check_func strerror_r
2785 check_func strtok_r
2786 check_func_headers conio.h kbhit
2787 check_func_headers io.h setmode
2788 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2789 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2790 check_func_headers windows.h GetProcessTimes
2791 check_func_headers windows.h MapViewOfFile
2792 check_func_headers windows.h VirtualAlloc
2793
2794 check_header dlfcn.h
2795 check_header dxva2api.h
2796 check_header malloc.h
2797 check_header poll.h
2798 check_header sys/mman.h
2799 check_header sys/resource.h
2800 check_header sys/select.h
2801 check_header vdpau/vdpau.h
2802 check_header vdpau/vdpau_x11.h
2803 check_header X11/extensions/XvMClib.h
2804
2805 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2806
2807 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2808 enabled_any $need_memalign ; then
2809 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2810 fi
2811
2812 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2813 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2814
2815 # check for some common methods of building with pthread support
2816 # do this before the optional library checks as some of them require pthreads
2817 if ! disabled pthreads && ! enabled w32threads; then
2818 enable pthreads
2819 if check_func pthread_create; then
2820 :
2821 elif check_func pthread_create -pthread; then
2822 add_cflags -pthread
2823 add_extralibs -pthread
2824 elif check_func pthread_create -pthreads; then
2825 add_cflags -pthreads
2826 add_extralibs -pthreads
2827 elif check_func pthread_create -lpthreadGC2; then
2828 add_extralibs -lpthreadGC2
2829 elif ! check_lib pthread.h pthread_create -lpthread; then
2830 disable pthreads
2831 fi
2832 fi
2833
2834 for thread in $THREADS_LIST; do
2835 if enabled $thread; then
2836 test -n "$thread_type" &&
2837 die "ERROR: Only one thread type must be selected." ||
2838 thread_type="$thread"
2839 fi
2840 done
2841
2842 check_lib math.h sin -lm
2843 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2844
2845 check_mathfunc exp2
2846 check_mathfunc exp2f
2847 check_mathfunc llrint
2848 check_mathfunc llrintf
2849 check_mathfunc log2
2850 check_mathfunc log2f
2851 check_mathfunc lrint
2852 check_mathfunc lrintf
2853 check_mathfunc round
2854 check_mathfunc roundf
2855 check_mathfunc truncf
2856
2857 # these are off by default, so fail if requested and not available
2858 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2859 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2860 enabled libdirac && require_pkg_config dirac \
2861 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2862 "dirac_decoder_init dirac_encoder_init"
2863 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2864 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2865 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2866 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2867 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2868 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2869 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2870 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2871 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2872 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2873 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2874 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2875 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2876 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2877 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2878 enabled libvpx && {
2879 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2880 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2881 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2882 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2883 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2884 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2885 die "ERROR: libx264 version must be >= 0.99."; }
2886 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2887 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2888 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2889
2890 # libdc1394 check
2891 if enabled libdc1394; then
2892 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2893 enable libdc1394_2; } ||
2894 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2895 enable libdc1394_1; } ||
2896 die "ERROR: No version of libdc1394 found "
2897 fi
2898
2899 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2900 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2901 enable sdl &&
2902 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2903 fi
2904
2905 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2906
2907 check_header linux/fb.h
2908 check_header linux/videodev.h
2909 check_header linux/videodev2.h
2910 check_header sys/videoio.h
2911
2912 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2913 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2914 # w32api 3.12 had it defined wrong
2915 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2916
2917 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2918 { check_header dev/bktr/ioctl_meteor.h &&
2919 check_header dev/bktr/ioctl_bt848.h; } ||
2920 { check_header machine/ioctl_meteor.h &&
2921 check_header machine/ioctl_bt848.h; } ||
2922 { check_header dev/video/meteor/ioctl_meteor.h &&
2923 check_header dev/video/bktr/ioctl_bt848.h; } ||
2924 check_header dev/ic/bt8xx.h
2925
2926 check_header sndio.h
2927 check_header sys/soundcard.h
2928 check_header soundcard.h
2929
2930 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2931
2932 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2933
2934 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2935
2936 enabled x11grab &&
2937 check_header X11/Xlib.h &&
2938 check_header X11/extensions/XShm.h &&
2939 check_header X11/extensions/Xfixes.h &&
2940 check_func XOpenDisplay -lX11 &&
2941 check_func XShmCreateImage -lX11 -lXext &&
2942 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2943
2944 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2945 check_cpp_condition \
2946 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2947 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2948 disable vdpau; }
2949 fi
2950
2951 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2952
2953 # add some useful compiler flags if supported
2954 check_cflags -Wdeclaration-after-statement
2955 check_cflags -Wall
2956 check_cflags -Wno-parentheses
2957 check_cflags -Wno-switch
2958 check_cflags -Wdisabled-optimization
2959 check_cflags -Wpointer-arith
2960 check_cflags -Wredundant-decls
2961 check_cflags -Wno-pointer-sign
2962 check_cflags -Wcast-qual
2963 check_cflags -Wwrite-strings
2964 check_cflags -Wtype-limits
2965 check_cflags -Wundef
2966 check_cflags -Wmissing-prototypes
2967 enabled extra_warnings && check_cflags -Winline
2968
2969 # add some linker flags
2970 check_ldflags -Wl,--warn-common
2971 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2972 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2973
2974 echo "X{};" > $TMPV
2975 if test_ldflags -Wl,--version-script,$TMPV; then
2976 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2977 check_cc <<EOF && enable symver_asm_label
2978 void ff_foo(void) __asm__ ("av_foo@VERSION");
2979 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2980 EOF
2981 check_cc <<EOF && enable symver_gnu_asm
2982 __asm__(".symver ff_foo,av_foo@VERSION");
2983 void ff_foo(void) {}
2984 EOF
2985 fi
2986
2987 if enabled small; then
2988 add_cflags $size_cflags
2989 optimizations="small"
2990 elif enabled optimizations; then
2991 add_cflags $speed_cflags
2992 else
2993 add_cflags $noopt_cflags
2994 fi
2995 check_cflags -fno-math-errno
2996 check_cflags -fno-signed-zeros
2997
2998 if enabled icc; then
2999 # Just warnings, no remarks
3000 check_cflags -w1
3001 # -wd: Disable following warnings
3002 # 144, 167, 556: -Wno-pointer-sign
3003 # 1292: attribute "foo" ignored
3004 # 10006: ignoring unknown option -fno-signed-zeros
3005 # 10148: ignoring unknown option -Wno-parentheses
3006 # 10156: ignoring option '-W'; no argument required
3007 check_cflags -wd144,167,556,1292,10006,10148,10156
3008 # 11030: Warning unknown option --as-needed
3009 # 10156: ignoring option '-export'; no argument required
3010 check_ldflags -wd10156,11030
3011 # Allow to compile with optimizations
3012 check_ldflags -march=$cpu
3013 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3014 enable ebp_available
3015 if enabled x86_32; then
3016 test ${icc_version%%.*} -ge 11 && \
3017 check_cflags -falign-stack=maintain-16-byte || \
3018 disable aligned_stack
3019 fi
3020 elif enabled ccc; then
3021 # disable some annoying warnings
3022 add_cflags -msg_disable cvtu32to64
3023 add_cflags -msg_disable embedcomment
3024 add_cflags -msg_disable needconstext
3025 add_cflags -msg_disable nomainieee
3026 add_cflags -msg_disable ptrmismatch1
3027 add_cflags -msg_disable unreachcode
3028 elif enabled gcc; then
3029 check_cflags -fno-tree-vectorize
3030 check_cflags -Werror=implicit-function-declaration
3031 check_cflags -Werror=missing-prototypes
3032 elif enabled llvm_gcc; then
3033 check_cflags -mllvm -stack-alignment=16
3034 elif enabled clang; then
3035 check_cflags -mllvm -stack-alignment=16
3036 check_cflags -Qunused-arguments
3037 elif enabled armcc; then
3038 # 2523: use of inline assembler is deprecated
3039 add_cflags -W${armcc_opt},--diag_suppress=2523
3040 add_cflags -W${armcc_opt},--diag_suppress=1207
3041 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3042 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3043 elif enabled tms470; then
3044 add_cflags -pds=824 -pds=837
3045 elif enabled pathscale; then
3046 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3047 fi
3048
3049 enabled_any $THREADS_LIST && enable threads
3050
3051 check_deps $CONFIG_LIST \
3052 $CONFIG_EXTRA \
3053 $HAVE_LIST \
3054 $DECODER_LIST \
3055 $ENCODER_LIST \
3056 $HWACCEL_LIST \
3057 $PARSER_LIST \
3058 $BSF_LIST \
3059 $DEMUXER_LIST \
3060 $MUXER_LIST \
3061 $FILTER_LIST \
3062 $INDEV_LIST \
3063 $OUTDEV_LIST \
3064 $PROTOCOL_LIST \
3065 $ACODEC_TESTS \
3066 $VCODEC_TESTS \
3067 $LAVF_TESTS \
3068 $LAVFI_TESTS \
3069 $SEEK_TESTS \
3070
3071 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3072
3073 echo "install prefix $prefix"
3074 echo "source path $source_path"
3075 echo "C compiler $cc"
3076 echo "ARCH $arch ($cpu)"
3077 if test "$build_suffix" != ""; then
3078 echo "build suffix $build_suffix"
3079 fi
3080 if test "$extra_version" != ""; then
3081 echo "version string suffix $extra_version"
3082 fi
3083 echo "big-endian ${bigendian-no}"
3084 echo "runtime cpu detection ${runtime_cpudetect-no}"
3085 if enabled x86; then
3086 echo "yasm ${yasm-no}"
3087 echo "MMX enabled ${mmx-no}"
3088 echo "MMX2 enabled ${mmx2-no}"
3089 echo "3DNow! enabled ${amd3dnow-no}"
3090 echo "3DNow! extended enabled ${amd3dnowext-no}"
3091 echo "SSE enabled ${sse-no}"
3092 echo "SSSE3 enabled ${ssse3-no}"
3093 echo "CMOV enabled ${cmov-no}"
3094 echo "CMOV is fast ${fast_cmov-no}"
3095 echo "EBX available ${ebx_available-no}"
3096 echo "EBP available ${ebp_available-no}"
3097 echo "10 operands supported ${ten_operands-no}"
3098 fi
3099 if enabled arm; then
3100 echo "ARMv5TE enabled ${armv5te-no}"
3101 echo "ARMv6 enabled ${armv6-no}"
3102 echo "ARMv6T2 enabled ${armv6t2-no}"
3103 echo "ARM VFP enabled ${armvfp-no}"
3104 echo "IWMMXT enabled ${iwmmxt-no}"
3105 echo "NEON enabled ${neon-no}"
3106 fi
3107 if enabled mips; then
3108 echo "MMI enabled ${mmi-no}"
3109 fi
3110 if enabled ppc; then
3111 echo "AltiVec enabled ${altivec-no}"
3112 echo "PPC 4xx optimizations ${ppc4xx-no}"
3113 echo "dcbzl available ${dcbzl-no}"
3114 fi
3115 if enabled sparc; then
3116 echo "VIS enabled ${vis-no}"
3117 fi
3118 echo "debug symbols ${debug-no}"
3119 echo "optimizations ${optimizations-no}"
3120 echo "static ${static-no}"
3121 echo "shared ${shared-no}"
3122 echo "postprocessing support ${postproc-no}"
3123 echo "new filter support ${avfilter-no}"
3124 echo "network support ${network-no}"
3125 echo "threading support ${thread_type-no}"
3126 echo "SDL support ${sdl-no}"
3127 echo "Sun medialib support ${mlib-no}"
3128 echo "AVISynth enabled ${avisynth-no}"
3129 echo "frei0r enabled ${frei0r-no}"
3130 echo "libdc1394 support ${libdc1394-no}"
3131 echo "libdirac enabled ${libdirac-no}"
3132 echo "libfaac enabled ${libfaac-no}"
3133 echo "libgsm enabled ${libgsm-no}"
3134 echo "libmp3lame enabled ${libmp3lame-no}"
3135 echo "libnut enabled ${libnut-no}"
3136 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3137 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3138 echo "libopencv support ${libopencv-no}"
3139 echo "libopenjpeg enabled ${libopenjpeg-no}"
3140 echo "librtmp enabled ${librtmp-no}"
3141 echo "libschroedinger enabled ${libschroedinger-no}"
3142 echo "libspeex enabled ${libspeex-no}"
3143 echo "libtheora enabled ${libtheora-no}"
3144 echo "libva enabled ${vaapi-no}"
3145 echo "libvo-aacenc support ${libvo_aacenc-no}"
3146 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3147 echo "libvorbis enabled ${libvorbis-no}"
3148 echo "libvpx enabled ${libvpx-no}"
3149 echo "libx264 enabled ${libx264-no}"
3150 echo "libxavs enabled ${libxavs-no}"
3151 echo "libxvid enabled ${libxvid-no}"
3152 echo "zlib enabled ${zlib-no}"
3153 echo "bzlib enabled ${bzlib-no}"
3154 echo
3155
3156 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3157 echo "Enabled ${type}s:"
3158 eval list=\$$(toupper $type)_LIST
3159 print_enabled '_*' $list | sort | pr -r -3 -t
3160 echo
3161 done
3162
3163 license="LGPL version 2.1 or later"
3164 if enabled nonfree; then
3165 license="nonfree and unredistributable"
3166 elif enabled gplv3; then
3167 license="GPL version 3 or later"
3168 elif enabled lgplv3; then
3169 license="LGPL version 3 or later"
3170 elif enabled gpl; then
3171 license="GPL version 2 or later"
3172 fi
3173
3174 echo "License: $license"
3175
3176 echo "Creating config.mak and config.h..."
3177
3178 # build tree in object directory if source path is different from current one
3179 if enabled source_path_used; then
3180 DIRS="
3181 doc
3182 libavcodec
3183 libavcodec/$arch
3184 libavdevice
3185 libavfilter
3186 libavfilter/$arch
3187 libavformat
3188 libavutil
3189 libavutil/$arch
3190 libpostproc
3191 libswscale
3192 libswscale/$arch
3193 tests
3194 tools
3195 "
3196 FILES="
3197 Makefile
3198 common.mak
3199 subdir.mak
3200 doc/texi2pod.pl
3201 libavcodec/Makefile
3202 libavcodec/${arch}/Makefile
3203 libavdevice/Makefile
3204 libavfilter/Makefile
3205 libavfilter/${arch}/Makefile
3206 libavformat/Makefile
3207 libavutil/Makefile
3208 libpostproc/Makefile
3209 libswscale/Makefile
3210 "
3211 map 'mkdir -p $v' $DIRS;
3212 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3213 fi
3214
3215 config_files="$TMPH config.mak"
3216
3217 cat > config.mak <<EOF
3218 # Automatically generated by configure - do not modify!
3219 ifndef LIBAV_CONFIG_MAK
3220 LIBAV_CONFIG_MAK=1
3221 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3222 prefix=$prefix
3223 LIBDIR=\$(DESTDIR)$libdir
3224 SHLIBDIR=\$(DESTDIR)$shlibdir
3225 INCDIR=\$(DESTDIR)$incdir
3226 BINDIR=\$(DESTDIR)$bindir
3227 DATADIR=\$(DESTDIR)$datadir
3228 MANDIR=\$(DESTDIR)$mandir
3229 SRC_PATH="$source_path"
3230 SRC_PATH_BARE=$source_path
3231 BUILD_ROOT="$PWD"
3232 CC_IDENT=$cc_ident
3233 ARCH=$arch
3234 CC=$cc
3235 AS=$as
3236 LD=$ld
3237 DEPCC=$dep_cc
3238 YASM=$yasmexe
3239 YASMDEP=$yasmexe
3240 AR=$ar
3241 RANLIB=$ranlib
3242 LN_S=$ln_s
3243 CPPFLAGS=$CPPFLAGS
3244 CFLAGS=$CFLAGS
3245 ASFLAGS=$ASFLAGS
3246 CC_O=$CC_O
3247 DLLTOOL=$dlltool
3248 LDFLAGS=$LDFLAGS
3249 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3250 SHFLAGS=$SHFLAGS
3251 YASMFLAGS=$YASMFLAGS
3252 BUILDSUF=$build_suffix
3253 FULLNAME=$FULLNAME
3254 LIBPREF=$LIBPREF
3255 LIBSUF=$LIBSUF
3256 LIBNAME=$LIBNAME
3257 SLIBPREF=$SLIBPREF
3258 SLIBSUF=$SLIBSUF
3259 EXESUF=$EXESUF
3260 EXTRA_VERSION=$extra_version
3261 DEPFLAGS=$DEPFLAGS
3262 CCDEP=$CCDEP
3263 ASDEP=$ASDEP
3264 CC_DEPFLAGS=$CC_DEPFLAGS
3265 AS_DEPFLAGS=$AS_DEPFLAGS
3266 HOSTCC=$host_cc
3267 HOSTCFLAGS=$host_cflags
3268 HOSTEXESUF=$HOSTEXESUF
3269 HOSTLDFLAGS=$host_ldflags
3270 HOSTLIBS=$host_libs
3271 TARGET_EXEC=$target_exec
3272 TARGET_PATH=$target_path
3273 SDL_LIBS=$sdl_libs
3274 SDL_CFLAGS=$sdl_cflags
3275 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3276 EXTRALIBS=$extralibs
3277 INSTALL=install
3278 LIBTARGET=${LIBTARGET}
3279 SLIBNAME=${SLIBNAME}
3280 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3281 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3282 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3283 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3284 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3285 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3286 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3287 EOF
3288
3289 get_version(){
3290 name=$1
3291 file=$source_path/$2
3292 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3293 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3294 lcname=$(tolower $name)
3295 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3296 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3297 }
3298
3299 get_version LIBSWSCALE libswscale/swscale.h
3300 get_version LIBPOSTPROC libpostproc/postprocess.h
3301 get_version LIBAVCODEC libavcodec/version.h
3302 get_version LIBAVDEVICE libavdevice/avdevice.h
3303 get_version LIBAVFORMAT libavformat/version.h
3304 get_version LIBAVUTIL libavutil/avutil.h
3305 get_version LIBAVFILTER libavfilter/avfilter.h
3306
3307 cat > $TMPH <<EOF
3308 /* Automatically generated by configure - do not modify! */
3309 #ifndef LIBAV_CONFIG_H
3310 #define LIBAV_CONFIG_H
3311 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3312 #define LIBAV_LICENSE "$(c_escape $license)"
3313 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3314 #define CC_TYPE "$cc_type"
3315 #define CC_VERSION $cc_version
3316 #define restrict $_restrict
3317 #define EXTERN_PREFIX "${extern_prefix}"
3318 #define EXTERN_ASM ${extern_prefix}
3319 #define SLIBSUF "$SLIBSUF"
3320 EOF
3321
3322 test -n "$malloc_prefix" &&
3323 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3324
3325 if enabled small || disabled optimizations; then
3326 echo "#undef av_always_inline" >> $TMPH
3327 if enabled small; then
3328 echo "#define av_always_inline inline" >> $TMPH
3329 else
3330 echo "#define av_always_inline av_unused" >> $TMPH
3331 fi
3332 fi
3333
3334 if enabled yasm; then
3335 append config_files $TMPASM
3336 printf '' >$TMPASM
3337 fi
3338
3339 print_config ARCH_ "$config_files" $ARCH_LIST
3340 print_config HAVE_ "$config_files" $HAVE_LIST
3341 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3342 $CONFIG_EXTRA \
3343 $DECODER_LIST \
3344 $ENCODER_LIST \
3345 $HWACCEL_LIST \
3346 $PARSER_LIST \
3347 $BSF_LIST \
3348 $DEMUXER_LIST \
3349 $MUXER_LIST \
3350 $FILTER_LIST \
3351 $PROTOCOL_LIST \
3352 $INDEV_LIST \
3353 $OUTDEV_LIST \
3354
3355 cat >>config.mak <<EOF
3356 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3357 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3358 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3359 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3360 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3361 EOF
3362
3363 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3364 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3365
3366 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3367 cp_if_changed $TMPH config.h
3368 touch .config
3369
3370 enabled yasm && cp_if_changed $TMPASM config.asm
3371
3372 cat > $TMPH <<EOF
3373 /* Generated by ffconf */
3374 #ifndef AVUTIL_AVCONFIG_H
3375 #define AVUTIL_AVCONFIG_H
3376 EOF
3377
3378 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3379
3380 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3381
3382 cp_if_changed $TMPH libavutil/avconfig.h
3383
3384 test -n "$WARNINGS" && printf "\n$WARNINGS"
3385
3386 # build pkg-config files
3387
3388 pkgconfig_generate(){
3389 name=$1
3390 shortname=${name#lib}${build_suffix}
3391 comment=$2
3392 version=$3
3393 libs=$4
3394 requires=$5
3395 enabled ${name#lib} || return 0
3396 cat <<EOF > $name/$name.pc
3397 prefix=$prefix
3398 exec_prefix=\${prefix}
3399 libdir=$libdir
3400 includedir=$incdir
3401
3402 Name: $name
3403 Description: $comment
3404 Version: $version
3405 Requires: $(enabled shared || echo $requires)
3406 Requires.private: $(enabled shared && echo $requires)
3407 Conflicts:
3408 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3409 Libs.private: $(enabled shared && echo $libs)
3410 Cflags: -I\${includedir}
3411 EOF
3412 cat <<EOF > $name/$name-uninstalled.pc
3413 prefix=
3414 exec_prefix=
3415 libdir=\${pcfiledir}
3416 includedir=${source_path}
3417
3418 Name: $name
3419 Description: $comment
3420 Version: $version
3421 Requires: $requires
3422 Conflicts:
3423 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3424 Cflags: -I\${includedir}
3425 EOF
3426 }
3427
3428 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION"
3429 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3430 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3431 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3432 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3433 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION"
3434 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"