d527ed19745280ad32961eb666a4302eb15e6b0d
[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 --disable-postproc disable libpostproc build
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 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-huffman disable Huffman code
106 --disable-lpc disable LPC code
107 --disable-mdct disable MDCT code
108 --disable-rdft disable RDFT code
109 --disable-vaapi disable VAAPI code
110 --disable-vdpau disable VDPAU code
111 --disable-dxva2 disable DXVA2 code
112 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
113 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
114 --enable-memalign-hack emulate memalign, interferes with memory debuggers
115 --disable-everything disable all components listed below
116 --disable-encoder=NAME disable encoder NAME
117 --enable-encoder=NAME enable encoder NAME
118 --disable-encoders disable all encoders
119 --disable-decoder=NAME disable decoder NAME
120 --enable-decoder=NAME enable decoder NAME
121 --disable-decoders disable all decoders
122 --disable-hwaccel=NAME disable hwaccel NAME
123 --enable-hwaccel=NAME enable hwaccel NAME
124 --disable-hwaccels disable all hwaccels
125 --disable-muxer=NAME disable muxer NAME
126 --enable-muxer=NAME enable muxer NAME
127 --disable-muxers disable all muxers
128 --disable-demuxer=NAME disable demuxer NAME
129 --enable-demuxer=NAME enable demuxer NAME
130 --disable-demuxers disable all demuxers
131 --enable-parser=NAME enable parser NAME
132 --disable-parser=NAME disable parser NAME
133 --disable-parsers disable all parsers
134 --enable-bsf=NAME enable bitstream filter NAME
135 --disable-bsf=NAME disable bitstream filter NAME
136 --disable-bsfs disable all bitstream filters
137 --enable-protocol=NAME enable protocol NAME
138 --disable-protocol=NAME disable protocol NAME
139 --disable-protocols disable all protocols
140 --disable-indev=NAME disable input device NAME
141 --disable-outdev=NAME disable output device NAME
142 --disable-indevs disable input devices
143 --disable-outdevs disable output devices
144 --disable-devices disable all devices
145 --enable-filter=NAME enable filter NAME
146 --disable-filter=NAME disable filter NAME
147 --disable-filters disable all filters
148 --list-decoders show all available decoders
149 --list-encoders show all available encoders
150 --list-hwaccels show all available hardware accelerators
151 --list-muxers show all available muxers
152 --list-demuxers show all available demuxers
153 --list-parsers show all available parsers
154 --list-protocols show all available protocols
155 --list-bsfs show all available bitstream filters
156 --list-indevs show all available input devices
157 --list-outdevs show all available output devices
158 --list-filters show all available filters
159
160 External library support:
161 --enable-avisynth enable reading of AVISynth script files [no]
162 --enable-bzlib enable bzlib [autodetect]
163 --enable-frei0r enable frei0r video filtering
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libopencv enable video filtering via libopencv [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfreetype enable libfreetype [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 libfreetype
932 libgsm
933 libmp3lame
934 libnut
935 libopencore_amrnb
936 libopencore_amrwb
937 libopencv
938 libopenjpeg
939 librtmp
940 libschroedinger
941 libspeex
942 libtheora
943 libvo_aacenc
944 libvo_amrwbenc
945 libvorbis
946 libvpx
947 libx264
948 libxavs
949 libxvid
950 lpc
951 lsp
952 mdct
953 memalign_hack
954 mlib
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 ldbrx
1073 libdc1394_1
1074 libdc1394_2
1075 llrint
1076 llrintf
1077 local_aligned_16
1078 local_aligned_8
1079 localtime_r
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 trunc
1123 truncf
1124 vfp_args
1125 VirtualAlloc
1126 winsock2_h
1127 xform_asm
1128 xmm_clobbers
1129 yasm
1130 "
1131
1132 # options emitted with CONFIG_ prefix but not available on command line
1133 CONFIG_EXTRA="
1134 avutil
1135 gplv3
1136 lgplv3
1137 "
1138
1139 CMDLINE_SELECT="
1140 $ARCH_EXT_LIST
1141 $CONFIG_LIST
1142 $THREADS_LIST
1143 asm
1144 cross_compile
1145 debug
1146 extra_warnings
1147 logging
1148 optimizations
1149 symver
1150 yasm
1151 "
1152
1153 PATHS_LIST='
1154 bindir
1155 datadir
1156 incdir
1157 libdir
1158 mandir
1159 prefix
1160 shlibdir
1161 '
1162
1163 CMDLINE_SET="
1164 $PATHS_LIST
1165 ar
1166 arch
1167 as
1168 build_suffix
1169 cc
1170 cpu
1171 cross_prefix
1172 dep_cc
1173 extra_version
1174 host_cc
1175 host_cflags
1176 host_ldflags
1177 host_libs
1178 host_os
1179 ld
1180 logfile
1181 malloc_prefix
1182 nm
1183 pkg_config
1184 samples
1185 source_path
1186 sysinclude
1187 sysroot
1188 target_exec
1189 target_os
1190 target_path
1191 "
1192
1193 CMDLINE_APPEND="
1194 extra_cflags
1195 "
1196
1197 # code dependency declarations
1198
1199 # architecture extensions
1200
1201 armv5te_deps="arm"
1202 armv6_deps="arm"
1203 armv6t2_deps="arm"
1204 armvfp_deps="arm"
1205 iwmmxt_deps="arm"
1206 neon_deps="arm"
1207
1208 mmi_deps="mips"
1209
1210 altivec_deps="ppc"
1211 ppc4xx_deps="ppc"
1212
1213 vis_deps="sparc"
1214
1215 x86_64_suggest="cmov fast_cmov"
1216 amd3dnow_deps="mmx"
1217 amd3dnowext_deps="amd3dnow"
1218 mmx_deps="x86"
1219 mmx2_deps="mmx"
1220 sse_deps="mmx"
1221 ssse3_deps="sse"
1222 avx_deps="ssse3"
1223
1224 aligned_stack_if_any="ppc x86"
1225 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1226 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1227 fast_unaligned_if_any="armv6 ppc x86"
1228
1229 need_memalign="altivec neon sse"
1230 inline_asm_deps="!tms470"
1231
1232 symver_if_any="symver_asm_label symver_gnu_asm"
1233
1234 # subsystems
1235 dct_select="rdft"
1236 mdct_select="fft"
1237 rdft_select="fft"
1238
1239 # decoders / encoders / hardware accelerators
1240 aac_decoder_select="mdct sinewin"
1241 aac_encoder_select="mdct sinewin"
1242 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1243 ac3_decoder_select="mdct ac3dsp ac3_parser"
1244 ac3_encoder_select="mdct ac3dsp"
1245 ac3_fixed_encoder_select="mdct ac3dsp"
1246 alac_encoder_select="lpc"
1247 amrnb_decoder_select="lsp"
1248 amrwb_decoder_select="lsp"
1249 atrac1_decoder_select="mdct sinewin"
1250 atrac3_decoder_select="mdct"
1251 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1252 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1253 cavs_decoder_select="golomb"
1254 cook_decoder_select="mdct sinewin"
1255 cscd_decoder_suggest="zlib"
1256 dca_decoder_select="mdct"
1257 dnxhd_encoder_select="aandct"
1258 dxa_decoder_select="zlib"
1259 eac3_decoder_select="ac3_decoder"
1260 eamad_decoder_select="aandct"
1261 eatgq_decoder_select="aandct"
1262 eatqi_decoder_select="aandct"
1263 ffv1_decoder_select="golomb"
1264 flac_decoder_select="golomb"
1265 flac_encoder_select="golomb lpc"
1266 flashsv_decoder_select="zlib"
1267 flashsv_encoder_select="zlib"
1268 flv_decoder_select="h263_decoder"
1269 flv_encoder_select="h263_encoder"
1270 fraps_decoder_select="huffman"
1271 h261_encoder_select="aandct"
1272 h263_decoder_select="h263_parser"
1273 h263_encoder_select="aandct"
1274 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1275 h263i_decoder_select="h263_decoder"
1276 h263p_encoder_select="h263_encoder"
1277 h264_decoder_select="golomb h264dsp h264pred"
1278 h264_dxva2_hwaccel_deps="dxva2api_h"
1279 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1280 h264_vaapi_hwaccel_select="vaapi"
1281 h264_vdpau_decoder_select="vdpau h264_decoder"
1282 imc_decoder_select="fft mdct sinewin"
1283 jpegls_decoder_select="golomb"
1284 jpegls_encoder_select="golomb"
1285 ljpeg_encoder_select="aandct"
1286 loco_decoder_select="golomb"
1287 mjpeg_encoder_select="aandct"
1288 mlp_decoder_select="mlp_parser"
1289 mp1float_decoder_select="dct"
1290 mp2float_decoder_select="dct"
1291 mp3adufloat_decoder_select="dct"
1292 mp3float_decoder_select="dct"
1293 mp3on4float_decoder_select="dct"
1294 mpeg1video_encoder_select="aandct"
1295 mpeg2video_encoder_select="aandct"
1296 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1297 mpeg4_encoder_select="h263_encoder"
1298 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1299 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1300 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1301 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1302 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1303 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1304 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1305 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1306 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1307 msmpeg4v1_decoder_select="h263_decoder"
1308 msmpeg4v1_encoder_select="h263_encoder"
1309 msmpeg4v2_decoder_select="h263_decoder"
1310 msmpeg4v2_encoder_select="h263_encoder"
1311 msmpeg4v3_decoder_select="h263_decoder"
1312 msmpeg4v3_encoder_select="h263_encoder"
1313 nellymoser_decoder_select="mdct sinewin"
1314 nellymoser_encoder_select="mdct sinewin"
1315 png_decoder_select="zlib"
1316 png_encoder_select="zlib"
1317 qcelp_decoder_select="lsp"
1318 qdm2_decoder_select="mdct rdft"
1319 ra_144_encoder_select="lpc"
1320 rv10_decoder_select="h263_decoder"
1321 rv10_encoder_select="h263_encoder"
1322 rv20_decoder_select="h263_decoder"
1323 rv20_encoder_select="h263_encoder"
1324 rv30_decoder_select="golomb h264pred"
1325 rv40_decoder_select="golomb h264pred"
1326 shorten_decoder_select="golomb"
1327 sipr_decoder_select="lsp"
1328 snow_decoder_select="dwt"
1329 snow_encoder_select="aandct dwt"
1330 svq1_encoder_select="aandct"
1331 svq3_decoder_select="golomb h264dsp h264pred"
1332 svq3_decoder_suggest="zlib"
1333 theora_decoder_select="vp3_decoder"
1334 tiff_decoder_suggest="zlib"
1335 tiff_encoder_suggest="zlib"
1336 truehd_decoder_select="mlp_decoder"
1337 tscc_decoder_select="zlib"
1338 twinvq_decoder_select="mdct lsp sinewin"
1339 vc1_decoder_select="h263_decoder"
1340 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1341 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1342 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1343 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1344 vorbis_decoder_select="mdct"
1345 vorbis_encoder_select="mdct"
1346 vp6_decoder_select="huffman"
1347 vp6a_decoder_select="vp6_decoder"
1348 vp6f_decoder_select="vp6_decoder"
1349 vp8_decoder_select="h264pred"
1350 wmapro_decoder_select="mdct sinewin"
1351 wmav1_decoder_select="mdct sinewin"
1352 wmav1_encoder_select="mdct sinewin"
1353 wmav2_decoder_select="mdct sinewin"
1354 wmav2_encoder_select="mdct sinewin"
1355 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1356 wmv1_decoder_select="h263_decoder"
1357 wmv1_encoder_select="h263_encoder"
1358 wmv2_decoder_select="h263_decoder"
1359 wmv2_encoder_select="h263_encoder"
1360 wmv3_decoder_select="vc1_decoder"
1361 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1362 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1363 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1364 zlib_decoder_select="zlib"
1365 zlib_encoder_select="zlib"
1366 zmbv_decoder_select="zlib"
1367 zmbv_encoder_select="zlib"
1368
1369 vaapi_deps="va_va_h"
1370 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1371
1372 # parsers
1373 h264_parser_select="golomb h264dsp h264pred"
1374
1375 # external libraries
1376 libdirac_decoder_deps="libdirac !libschroedinger"
1377 libdirac_encoder_deps="libdirac"
1378 libfaac_encoder_deps="libfaac"
1379 libgsm_decoder_deps="libgsm"
1380 libgsm_encoder_deps="libgsm"
1381 libgsm_ms_decoder_deps="libgsm"
1382 libgsm_ms_encoder_deps="libgsm"
1383 libmp3lame_encoder_deps="libmp3lame"
1384 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1385 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1386 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1387 libopenjpeg_decoder_deps="libopenjpeg"
1388 libschroedinger_decoder_deps="libschroedinger"
1389 libschroedinger_encoder_deps="libschroedinger"
1390 libspeex_decoder_deps="libspeex"
1391 libtheora_encoder_deps="libtheora"
1392 libvo_aacenc_encoder_deps="libvo_aacenc"
1393 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1394 libvorbis_encoder_deps="libvorbis"
1395 libvpx_decoder_deps="libvpx"
1396 libvpx_encoder_deps="libvpx"
1397 libx264_encoder_deps="libx264"
1398 libxavs_encoder_deps="libxavs"
1399 libxvid_encoder_deps="libxvid"
1400
1401 # demuxers / muxers
1402 ac3_demuxer_select="ac3_parser"
1403 asf_stream_muxer_select="asf_muxer"
1404 avisynth_demuxer_deps="avisynth"
1405 dirac_demuxer_select="dirac_parser"
1406 eac3_demuxer_select="ac3_parser"
1407 flac_demuxer_select="flac_parser"
1408 ipod_muxer_select="mov_muxer"
1409 libnut_demuxer_deps="libnut"
1410 libnut_muxer_deps="libnut"
1411 matroska_audio_muxer_select="matroska_muxer"
1412 matroska_demuxer_suggest="zlib bzlib"
1413 mov_demuxer_suggest="zlib"
1414 mp3_demuxer_select="mpegaudio_parser"
1415 mp4_muxer_select="mov_muxer"
1416 mpegtsraw_demuxer_select="mpegts_demuxer"
1417 mxf_d10_muxer_select="mxf_muxer"
1418 ogg_demuxer_select="golomb"
1419 psp_muxer_select="mov_muxer"
1420 rtp_demuxer_select="sdp_demuxer"
1421 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1422 rtsp_demuxer_select="http_protocol rtpdec"
1423 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1424 sap_demuxer_select="sdp_demuxer"
1425 sap_muxer_select="rtp_muxer rtp_protocol"
1426 sdp_demuxer_select="rtpdec"
1427 spdif_muxer_select="aac_parser"
1428 tg2_muxer_select="mov_muxer"
1429 tgp_muxer_select="mov_muxer"
1430 w64_demuxer_deps="wav_demuxer"
1431
1432 # indevs / outdevs
1433 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1434 alsa_outdev_deps="alsa_asoundlib_h"
1435 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1436 dv1394_indev_deps="dv1394 dv_demuxer"
1437 fbdev_indev_deps="linux_fb_h"
1438 jack_indev_deps="jack_jack_h"
1439 libdc1394_indev_deps="libdc1394"
1440 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1441 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1442 sndio_indev_deps="sndio_h"
1443 sndio_outdev_deps="sndio_h"
1444 v4l_indev_deps="linux_videodev_h"
1445 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1446 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1447 vfwcap_indev_extralibs="-lavicap32"
1448 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1449 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1450
1451 # protocols
1452 gopher_protocol_deps="network"
1453 http_protocol_deps="network"
1454 http_protocol_select="tcp_protocol"
1455 mmsh_protocol_select="http_protocol"
1456 mmst_protocol_deps="network"
1457 rtmp_protocol_select="tcp_protocol"
1458 rtp_protocol_select="udp_protocol"
1459 tcp_protocol_deps="network"
1460 udp_protocol_deps="network"
1461
1462 # filters
1463 blackframe_filter_deps="gpl"
1464 cropdetect_filter_deps="gpl"
1465 drawtext_filter_deps="libfreetype"
1466 frei0r_filter_deps="frei0r dlopen strtok_r"
1467 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1468 hqdn3d_filter_deps="gpl"
1469 ocv_filter_deps="libopencv"
1470 scale_filter_deps="swscale"
1471 yadif_filter_deps="gpl"
1472
1473 # libraries
1474 avdevice_deps="avcodec avformat"
1475 avformat_deps="avcodec"
1476 postproc_deps="gpl"
1477
1478 # programs
1479 ffmpeg_deps="avcodec avformat swscale"
1480 ffmpeg_select="buffer_filter"
1481 ffplay_deps="avcodec avformat swscale sdl"
1482 ffplay_select="rdft"
1483 ffprobe_deps="avcodec avformat"
1484 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1485 ffserver_extralibs='$ldl'
1486
1487 doc_deps="texi2html"
1488
1489 # tests
1490
1491 test_deps(){
1492 suf1=$1
1493 suf2=$2
1494 shift 2
1495 for v; do
1496 dep=${v%=*}
1497 tests=${v#*=}
1498 for name in ${tests}; do
1499 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1500 done
1501 done
1502 }
1503
1504 set_ne_test_deps(){
1505 eval ${1}_be_test_deps="bigendian"
1506 eval ${1}_le_test_deps="!bigendian"
1507 }
1508
1509 test_deps _encoder _decoder \
1510 adpcm_g726=g726 \
1511 adpcm_ima_qt \
1512 adpcm_ima_wav \
1513 adpcm_ms \
1514 adpcm_swf \
1515 adpcm_yamaha=adpcm_yam \
1516 alac \
1517 asv1 \
1518 asv2 \
1519 bmp \
1520 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1521 dvvideo="dv dv50" \
1522 ffv1 \
1523 flac \
1524 flashsv \
1525 flv \
1526 gif \
1527 h261 \
1528 h263="h263 h263p" \
1529 huffyuv \
1530 jpegls \
1531 mjpeg="jpg mjpeg ljpeg" \
1532 mp2 \
1533 mpeg1video="mpeg mpeg1b" \
1534 mpeg2video="mpeg2 mpeg2thread" \
1535 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1536 msmpeg4v3=msmpeg4 \
1537 msmpeg4v2 \
1538 pbm=pbmpipe \
1539 pcx \
1540 pgm="pgm pgmpipe" \
1541 png \
1542 ppm="ppm ppmpipe" \
1543 rawvideo="rgb yuv" \
1544 roq \
1545 rv10 \
1546 rv20 \
1547 sgi \
1548 snow="snow snowll" \
1549 svq1 \
1550 targa=tga \
1551 tiff \
1552 wmav1 \
1553 wmav2 \
1554 wmv1 \
1555 wmv2 \
1556
1557 test_deps _muxer _demuxer \
1558 aiff \
1559 pcm_alaw=alaw \
1560 asf \
1561 au \
1562 avi \
1563 dv=dv_fmt \
1564 ffm \
1565 flv=flv_fmt \
1566 gxf \
1567 matroska=mkv \
1568 mmf \
1569 mov \
1570 pcm_mulaw=mulaw \
1571 mxf \
1572 nut \
1573 ogg \
1574 rawvideo=pixfmt \
1575 rm \
1576 swf \
1577 mpegts=ts \
1578 voc \
1579 wav \
1580 yuv4mpegpipe=yuv4mpeg \
1581
1582 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1583 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1584
1585 set_ne_test_deps pixdesc
1586 set_ne_test_deps pixfmts_copy
1587 set_ne_test_deps pixfmts_crop
1588 set_ne_test_deps pixfmts_hflip
1589 set_ne_test_deps pixfmts_null
1590 set_ne_test_deps pixfmts_pad
1591 set_ne_test_deps pixfmts_scale
1592 set_ne_test_deps pixfmts_vflip
1593
1594 # default parameters
1595
1596 logfile="config.log"
1597
1598 # installation paths
1599 prefix_default="/usr/local"
1600 bindir_default='${prefix}/bin'
1601 datadir_default='${prefix}/share/ffmpeg'
1602 incdir_default='${prefix}/include'
1603 libdir_default='${prefix}/lib'
1604 mandir_default='${prefix}/share/man'
1605 shlibdir_default="$libdir_default"
1606
1607 # toolchain
1608 ar_default="ar"
1609 cc_default="gcc"
1610 cc_version=\"unknown\"
1611 host_cc_default="gcc"
1612 ln_s="ln -sf"
1613 nm_default="nm"
1614 objformat="elf"
1615 pkg_config_default=pkg-config
1616 ranlib="ranlib"
1617 yasmexe="yasm"
1618 nogas=":"
1619
1620 nm_opts='-g'
1621
1622 # machine
1623 arch_default=$(uname -m)
1624 cpu="generic"
1625
1626 # OS
1627 target_os_default=$(tolower $(uname -s))
1628 host_os=$target_os_default
1629
1630 # configurable options
1631 enable avcodec
1632 enable avdevice
1633 enable avfilter
1634 enable avformat
1635 enable avutil
1636 enable asm
1637 enable debug
1638 enable doc
1639 enable fastdiv
1640 enable ffmpeg
1641 enable ffplay
1642 enable ffprobe
1643 enable ffserver
1644 enable network
1645 enable optimizations
1646 enable postproc
1647 enable protocols
1648 enable static
1649 enable swscale
1650 enable swscale_alpha
1651
1652 # build settings
1653 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1654 FFSERVERLDFLAGS=-Wl,-E
1655 LIBPREF="lib"
1656 LIBSUF=".a"
1657 FULLNAME='$(NAME)$(BUILDSUF)'
1658 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1659 SLIBPREF="lib"
1660 SLIBSUF=".so"
1661 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1662 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1663 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1664 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1665
1666 CC_O='-o $@'
1667
1668 host_cflags='-D_ISOC99_SOURCE -O3 -g -Wall'
1669 host_libs='-lm'
1670
1671 target_path='$(CURDIR)'
1672
1673 # since the object filename is not given with the -MM flag, the compiler
1674 # is only able to print the basename, and we must add the path ourselves
1675 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1676 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1677
1678 # find source path
1679 source_path="$(dirname "$0")"
1680 enable source_path_used
1681 if test -f configure; then
1682 source_path="$(pwd)"
1683 disable source_path_used
1684 else
1685 source_path="$(cd "$source_path"; pwd)"
1686 echo "$source_path" | grep -q '[[:blank:]]' &&
1687 die "Out of tree builds are impossible with whitespace in source path."
1688 test -e "$source_path/config.h" &&
1689 die "Out of tree builds are impossible with config.h in source dir."
1690 fi
1691
1692 for v in "$@"; do
1693 r=${v#*=}
1694 l=${v%"$r"}
1695 r=$(sh_quote "$r")
1696 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1697 done
1698
1699 find_things(){
1700 thing=$1
1701 pattern=$2
1702 file=$source_path/$3
1703 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1704 }
1705
1706 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1707 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1708 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1709 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1710 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1711 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1712 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1713 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1714 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1715 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1716 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1717
1718 find_tests(){
1719 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1720 }
1721
1722 ACODEC_TESTS=$(find_tests acodec)
1723 VCODEC_TESTS=$(find_tests vsynth1)
1724 LAVF_TESTS=$(find_tests lavf)
1725 LAVFI_TESTS=$(find_tests lavfi)
1726 SEEK_TESTS=$(find_tests seek seek_)
1727
1728 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1729
1730 for n in $COMPONENT_LIST; do
1731 v=$(toupper ${n%s})_LIST
1732 eval enable \$$v
1733 eval ${n}_if_any="\$$v"
1734 done
1735
1736 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1737
1738 die_unknown(){
1739 echo "Unknown option \"$1\"."
1740 echo "See $0 --help for available options."
1741 exit 1
1742 }
1743
1744 show_list() {
1745 suffix=_$1
1746 shift
1747 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1748 exit 0
1749 }
1750
1751 for opt do
1752 optval="${opt#*=}"
1753 case "$opt" in
1754 --extra-ldflags=*) add_ldflags $optval
1755 ;;
1756 --extra-libs=*) add_extralibs $optval
1757 ;;
1758 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1759 ;;
1760 --enable-debug=*) debuglevel="$optval"
1761 ;;
1762 --disable-everything)
1763 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1764 ;;
1765 --enable-*=*|--disable-*=*)
1766 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1767 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1768 eval list=\$$(toupper $thing)_LIST
1769 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1770 $action $(filter "$name" $list)
1771 ;;
1772 --enable-?*|--disable-?*)
1773 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1774 if is_in $option $COMPONENT_LIST; then
1775 test $action = disable && action=unset
1776 eval $action \$$(toupper ${option%s})_LIST
1777 elif is_in $option $CMDLINE_SELECT; then
1778 $action $option
1779 else
1780 die_unknown $opt
1781 fi
1782 ;;
1783 --list-*)
1784 NAME="${opt#--list-}"
1785 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1786 NAME=${NAME%s}
1787 eval show_list $NAME \$$(toupper $NAME)_LIST
1788 ;;
1789 --help|-h) show_help
1790 ;;
1791 *)
1792 optname="${opt%%=*}"
1793 optname="${optname#--}"
1794 optname=$(echo "$optname" | sed 's/-/_/g')
1795 if is_in $optname $CMDLINE_SET; then
1796 eval $optname='$optval'
1797 elif is_in $optname $CMDLINE_APPEND; then
1798 append $optname "$optval"
1799 else
1800 die_unknown $opt
1801 fi
1802 ;;
1803 esac
1804 done
1805
1806 disabled logging && logfile=/dev/null
1807
1808 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1809 set >> $logfile
1810
1811 test -n "$cross_prefix" && enable cross_compile
1812
1813 if enabled cross_compile; then
1814 test -n "$arch" && test -n "$target_os" ||
1815 die "Must specify target arch and OS when cross-compiling"
1816 fi
1817
1818 set_default arch target_os
1819
1820 ar_default="${cross_prefix}${ar_default}"
1821 cc_default="${cross_prefix}${cc_default}"
1822 nm_default="${cross_prefix}${nm_default}"
1823 pkg_config_default="${cross_prefix}${pkg_config_default}"
1824 ranlib="${cross_prefix}${ranlib}"
1825
1826 sysinclude_default="${sysroot}/usr/include"
1827
1828 set_default cc nm pkg_config sysinclude
1829 enabled cross_compile || host_cc_default=$cc
1830 set_default host_cc
1831
1832 if ! $pkg_config --version >/dev/null 2>&1; then
1833 warn "$pkg_config not found, library detection may fail."
1834 pkg_config=false
1835 fi
1836
1837 exesuf() {
1838 case $1 in
1839 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1840 esac
1841 }
1842
1843 EXESUF=$(exesuf $target_os)
1844 HOSTEXESUF=$(exesuf $host_os)
1845
1846 # set temporary file name
1847 : ${TMPDIR:=$TEMPDIR}
1848 : ${TMPDIR:=$TMP}
1849 : ${TMPDIR:=/tmp}
1850
1851 if ! check_cmd mktemp -u XXXXXX; then
1852 # simple replacement for missing mktemp
1853 # NOT SAFE FOR GENERAL USE
1854 mktemp(){
1855 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1856 }
1857 fi
1858
1859 tmpfile(){
1860 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1861 (set -C; exec > $tmp) 2>/dev/null ||
1862 die "Unable to create temporary file in $TMPDIR."
1863 append TMPFILES $tmp
1864 eval $1=$tmp
1865 }
1866
1867 trap 'rm -f -- $TMPFILES' EXIT
1868
1869 tmpfile TMPC .c
1870 tmpfile TMPE $EXESUF
1871 tmpfile TMPH .h
1872 tmpfile TMPO .o
1873 tmpfile TMPS .S
1874 tmpfile TMPV .ver
1875 tmpfile TMPSH .sh
1876 tmpfile TMPASM .asm
1877
1878 unset -f mktemp
1879
1880 chmod +x $TMPE
1881
1882 # make sure we can execute files in $TMPDIR
1883 cat > $TMPSH 2>> $logfile <<EOF
1884 #! /bin/sh
1885 EOF
1886 chmod +x $TMPSH >> $logfile 2>&1
1887 if ! $TMPSH >> $logfile 2>&1; then
1888 cat <<EOF
1889 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1890 variable to another directory and make sure that it is not mounted noexec.
1891 EOF
1892 die "Sanity test failed."
1893 fi
1894
1895 filter_cflags=echo
1896 filter_cppflags=echo
1897 filter_asflags=echo
1898
1899 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1900 cc_type=llvm_gcc
1901 cc_version=__VERSION__
1902 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1903 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1904 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1905 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1906 speed_cflags='-O3'
1907 size_cflags='-Os'
1908 elif $cc -v 2>&1 | grep -qi ^gcc; then
1909 cc_type=gcc
1910 cc_version=__VERSION__
1911 gcc_version=$($cc --version | head -n1)
1912 gcc_basever=$($cc -dumpversion)
1913 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1914 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1915 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1916 if ! $cc -dumpversion | grep -q '^2\.'; then
1917 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1918 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1919 fi
1920 speed_cflags='-O3'
1921 size_cflags='-Os'
1922 elif $cc --version 2>/dev/null | grep -q Intel; then
1923 cc_type=icc
1924 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1925 cc_ident=$($cc --version | head -n1)
1926 icc_version=$($cc -dumpversion)
1927 CC_DEPFLAGS='-MMD'
1928 AS_DEPFLAGS='-MMD'
1929 speed_cflags='-O3'
1930 size_cflags='-Os'
1931 noopt_cflags='-O1'
1932 elif $cc -v 2>&1 | grep -q xlc; then
1933 cc_type=xlc
1934 cc_version="AV_STRINGIFY(__IBMC__)"
1935 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1936 speed_cflags='-O5'
1937 size_cflags='-O5 -qcompact'
1938 elif $cc -V 2>/dev/null | grep -q Compaq; then
1939 cc_type=ccc
1940 cc_version="AV_STRINGIFY(__DECC_VER)"
1941 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1942 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1943 debuglevel=3
1944 add_ldflags -Wl,-z,now # calls to libots crash without this
1945 speed_cflags='-fast'
1946 size_cflags='-O1'
1947 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1948 test -d "$sysroot" || die "No valid sysroot specified."
1949 cc_type=armcc
1950 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1951 cc_ident=$($cc --vsn | head -n1)
1952 armcc_conf="$PWD/armcc.conf"
1953 $cc --arm_linux_configure \
1954 --arm_linux_config_file="$armcc_conf" \
1955 --configure_sysroot="$sysroot" \
1956 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1957 die "Error creating armcc configuration file."
1958 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1959 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1960 as_default="${cross_prefix}gcc"
1961 CC_DEPFLAGS='-MMD'
1962 AS_DEPFLAGS='-MMD'
1963 speed_cflags='-O3'
1964 size_cflags='-Os'
1965 filter_asflags="filter_out -W${armcc_opt}*"
1966 elif $cc -version 2>/dev/null | grep -q TMS470; then
1967 cc_type=tms470
1968 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1969 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1970 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1971 CC_O='-fr=$(@D)'
1972 as_default="${cross_prefix}gcc"
1973 ld_default="${cross_prefix}gcc"
1974 TMPO=$(basename $TMPC .c).o
1975 append TMPFILES $TMPO
1976 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1977 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1978 AS_DEPFLAGS='-MMD'
1979 speed_cflags='-O3 -mf=5'
1980 size_cflags='-O3 -mf=2'
1981 filter_cflags=tms470_flags
1982 tms470_flags(){
1983 for flag; do
1984 case $flag in
1985 -march=*|-mcpu=*)
1986 case "${flag#*=}" in
1987 armv7-a|cortex-a*) echo -mv=7a8 ;;
1988 armv7-r|cortex-r*) echo -mv=7r4 ;;
1989 armv7-m|cortex-m*) echo -mv=7m3 ;;
1990 armv6*|arm11*) echo -mv=6 ;;
1991 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1992 echo -mv=5e ;;
1993 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1994 esac
1995 ;;
1996 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1997 -mfpu=vfp) echo --float_support=vfpv2 ;;
1998 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1999 -msoft-float) echo --float_support=vfplib ;;
2000 -O[0-3]|-mf=*) echo $flag ;;
2001 -g) echo -g -mn ;;
2002 -pds=*) echo $flag ;;
2003 esac
2004 done
2005 }
2006 elif $cc -v 2>&1 | grep -q clang; then
2007 cc_type=clang
2008 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2009 cc_version=__clang_version__ || cc_version=__VERSION__
2010 cc_ident=$($cc --version | head -n1)
2011 CC_DEPFLAGS='-MMD'
2012 AS_DEPFLAGS='-MMD'
2013 speed_cflags='-O3'
2014 size_cflags='-Os'
2015 elif $cc -V 2>&1 | grep -q Sun; then
2016 cc_type=suncc
2017 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2018 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2019 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2020 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2021 speed_cflags='-O5'
2022 size_cflags='-O5 -xspace'
2023 filter_cflags=suncc_flags
2024 suncc_flags(){
2025 for flag; do
2026 case $flag in
2027 -march=*|-mcpu=*)
2028 case "${flag#*=}" in
2029 native) echo -xtarget=native ;;
2030 v9|niagara) echo -xarch=sparc ;;
2031 ultrasparc) echo -xarch=sparcvis ;;
2032 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2033 i586|pentium) echo -xchip=pentium ;;
2034 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2035 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2036 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2037 pentium4*) echo -xtarget=pentium4 ;;
2038 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2039 *-sse3) echo -xarch=sse3 ;;
2040 core2) echo -xarch=ssse3 -xchip=core2 ;;
2041 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2042 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2043 k8|opteron|athlon64|athlon-fx)
2044 echo -xarch=sse2a ;;
2045 athlon*) echo -xarch=pentium_proa ;;
2046 esac
2047 ;;
2048 -std=c99) echo -xc99 ;;
2049 -fomit-frame-pointer) echo -xregs=frameptr ;;
2050 -fPIC) echo -KPIC -xcode=pic32 ;;
2051 -W*,*) echo $flag ;;
2052 -f*-*|-W*) ;;
2053 *) echo $flag ;;
2054 esac
2055 done
2056 }
2057 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2058 cc_type=pathscale
2059 cc_version=__PATHSCALE__
2060 cc_ident=$($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 elif $cc -v 2>&1 | grep -q Open64; then
2066 cc_type=open64
2067 cc_version=__OPEN64__
2068 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2069 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2070 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2071 speed_cflags='-O2'
2072 size_cflags='-Os'
2073 fi
2074
2075 test -n "$cc_type" && enable $cc_type ||
2076 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2077
2078 : ${as_default:=$cc}
2079 : ${dep_cc_default:=$cc}
2080 : ${ld_default:=$cc}
2081 set_default ar as dep_cc ld
2082
2083 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2084 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2085
2086 add_cflags $extra_cflags
2087 add_asflags $extra_cflags
2088
2089 if test -n "$sysroot"; then
2090 case "$cc_type" in
2091 gcc|llvm_gcc|clang)
2092 add_cppflags --sysroot="$sysroot"
2093 add_ldflags --sysroot="$sysroot"
2094 ;;
2095 tms470)
2096 add_cppflags -I"$sysinclude"
2097 add_ldflags --sysroot="$sysroot"
2098 ;;
2099 esac
2100 fi
2101
2102 if test "$cpu" = host; then
2103 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2104
2105 case "$cc_type" in
2106 gcc|llvm_gcc)
2107 check_native(){
2108 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2109 sed -n "/$1=/{
2110 s/.*$1=\\([^ ]*\\).*/\\1/
2111 p
2112 q
2113 }" $TMPE
2114 }
2115 cpu=$(check_native -march || check_native -mcpu)
2116 ;;
2117 esac
2118
2119 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2120 fi
2121
2122 # Deal with common $arch aliases
2123 case "$arch" in
2124 arm*)
2125 arch="arm"
2126 ;;
2127 mips|mipsel|IP*)
2128 arch="mips"
2129 ;;
2130 mips64*)
2131 arch="mips"
2132 subarch="mips64"
2133 ;;
2134 parisc|hppa)
2135 arch="parisc"
2136 ;;
2137 parisc64|hppa64)
2138 arch="parisc"
2139 subarch="parisc64"
2140 ;;
2141 "Power Macintosh"|ppc|powerpc)
2142 arch="ppc"
2143 ;;
2144 ppc64|powerpc64)
2145 arch="ppc"
2146 subarch="ppc64"
2147 ;;
2148 s390|s390x)
2149 arch="s390"
2150 ;;
2151 sh4|sh)
2152 arch="sh4"
2153 ;;
2154 sun4u|sparc64)
2155 arch="sparc"
2156 subarch="sparc64"
2157 ;;
2158 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2159 arch="x86"
2160 ;;
2161 esac
2162
2163 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2164 enable $arch
2165
2166 # Add processor-specific flags
2167 if test "$cpu" = generic; then
2168 : do nothing
2169 elif enabled ppc; then
2170
2171 case $(tolower $cpu) in
2172 601|ppc601|powerpc601)
2173 cpuflags="-mcpu=601"
2174 disable altivec
2175 ;;
2176 603*|ppc603*|powerpc603*)
2177 cpuflags="-mcpu=603"
2178 disable altivec
2179 ;;
2180 604*|ppc604*|powerpc604*)
2181 cpuflags="-mcpu=604"
2182 disable altivec
2183 ;;
2184 g3|75*|ppc75*|powerpc75*)
2185 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2186 disable altivec
2187 ;;
2188 g4|745*|ppc745*|powerpc745*)
2189 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2190 ;;
2191 74*|ppc74*|powerpc74*)
2192 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2193 ;;
2194 g5|970|ppc970|powerpc970|power4*)
2195 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2196 ;;
2197 cell)
2198 cpuflags="-mcpu=cell"
2199 enable ldbrx
2200 ;;
2201 e500v2)
2202 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2203 disable altivec
2204 ;;
2205 e500)
2206 cpuflags="-mcpu=8540 -mhard-float"
2207 disable altivec
2208 ;;
2209 esac
2210
2211 elif enabled x86; then
2212
2213 case $cpu in
2214 i[345]86|pentium)
2215 cpuflags="-march=$cpu"
2216 disable mmx
2217 ;;
2218 # targets that do NOT support conditional mov (cmov)
2219 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2220 cpuflags="-march=$cpu"
2221 disable cmov
2222 ;;
2223 # targets that do support conditional mov (cmov)
2224 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2225 cpuflags="-march=$cpu"
2226 enable cmov
2227 enable fast_cmov
2228 ;;
2229 # targets that do support conditional mov but on which it's slow
2230 pentium4|pentium4m|prescott|nocona)
2231 cpuflags="-march=$cpu"
2232 enable cmov
2233 disable fast_cmov
2234 ;;
2235 esac
2236
2237 elif enabled sparc; then
2238
2239 case $cpu in
2240 niagara)
2241 cpuflags="-mcpu=$cpu"
2242 disable vis
2243 ;;
2244 sparc64)
2245 cpuflags="-mcpu=v9"
2246 ;;
2247 esac
2248
2249 elif enabled arm; then
2250
2251 case $cpu in
2252 armv*)
2253 cpuflags="-march=$cpu"
2254 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2255 ;;
2256 *)
2257 cpuflags="-mcpu=$cpu"
2258 case $cpu in
2259 cortex-a*) subarch=armv7a ;;
2260 cortex-r*) subarch=armv7r ;;
2261 cortex-m*) subarch=armv7m ;;
2262 arm11*) subarch=armv6 ;;
2263 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2264 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2265 esac
2266 ;;
2267 esac
2268
2269 elif enabled alpha; then
2270
2271 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2272
2273 elif enabled bfin; then
2274
2275 cpuflags="-mcpu=$cpu"
2276
2277 elif enabled mips; then
2278
2279 cpuflags="-march=$cpu"
2280
2281 elif enabled avr32; then
2282
2283 case $cpu in
2284 ap7[02]0[0-2])
2285 subarch="avr32_ap"
2286 cpuflags="-mpart=$cpu"
2287 ;;
2288 ap)
2289 subarch="avr32_ap"
2290 cpuflags="-march=$cpu"
2291 ;;
2292 uc3[ab]*)
2293 subarch="avr32_uc"
2294 cpuflags="-mcpu=$cpu"
2295 ;;
2296 uc)
2297 subarch="avr32_uc"
2298 cpuflags="-march=$cpu"
2299 ;;
2300 esac
2301
2302 fi
2303
2304 add_cflags $cpuflags
2305 add_asflags $cpuflags
2306
2307 # compiler sanity check
2308 check_exec <<EOF
2309 int main(void){ return 0; }
2310 EOF
2311 if test "$?" != 0; then
2312 echo "$cc is unable to create an executable file."
2313 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2314 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2315 echo "Only do this if you know what cross compiling means."
2316 fi
2317 die "C compiler test failed."
2318 fi
2319
2320 add_cppflags -D_ISOC99_SOURCE
2321 check_cflags -std=c99
2322 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2323 #include <stdlib.h>
2324 EOF
2325 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2326 #include <stdlib.h>
2327 EOF
2328
2329 check_host_cflags -std=c99
2330
2331 case "$arch" in
2332 alpha|ia64|mips|parisc|sparc)
2333 spic=$shared
2334 ;;
2335 x86)
2336 subarch="x86_32"
2337 check_cc <<EOF && subarch="x86_64"
2338 int test[(int)sizeof(char*) - 7];
2339 EOF
2340 if test "$subarch" = "x86_64"; then
2341 spic=$shared
2342 fi
2343 ;;
2344 esac
2345
2346 enable $subarch
2347 enabled spic && enable pic
2348
2349 # OS specific
2350 case $target_os in
2351 haiku)
2352 prefix_default="/boot/common"
2353 network_extralibs="-lnetwork"
2354 host_libs=
2355 ;;
2356 sunos)
2357 FFSERVERLDFLAGS=""
2358 SHFLAGS='-shared -Wl,-h,$$(@F)'
2359 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2360 network_extralibs="-lsocket -lnsl"
2361 add_cppflags -D__EXTENSIONS__
2362 nm_opts='-P -g'
2363 ;;
2364 netbsd)
2365 disable symver
2366 oss_indev_extralibs="-lossaudio"
2367 oss_outdev_extralibs="-lossaudio"
2368 ;;
2369 openbsd)
2370 enable malloc_aligned
2371 # On OpenBSD 4.5. the compiler does not use PIC unless
2372 # explicitly using -fPIC. Libav builds fine without PIC,
2373 # however the generated executable will not do anything
2374 # (simply quits with exit-code 1, no crash, no output).
2375 # Thus explicitly enable PIC here.
2376 enable pic
2377 disable symver
2378 SHFLAGS='-shared'
2379 oss_indev_extralibs="-lossaudio"
2380 oss_outdev_extralibs="-lossaudio"
2381 ;;
2382 dragonfly)
2383 enable malloc_aligned
2384 disable symver
2385 ;;
2386 freebsd)
2387 enable malloc_aligned
2388 ;;
2389 bsd/os)
2390 add_extralibs -lpoll -lgnugetopt
2391 ;;
2392 darwin)
2393 enable malloc_aligned
2394 gas="gas-preprocessor.pl $cc"
2395 enabled ppc && add_asflags -force_cpusubtype_ALL
2396 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2397 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2398 add_ldflags -Wl,-dynamic,-search_paths_first
2399 SLIBSUF=".dylib"
2400 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2401 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2402 FFSERVERLDFLAGS=-Wl,-bind_at_load
2403 objformat="macho"
2404 enabled x86_64 && objformat="macho64"
2405 enabled_any pic shared ||
2406 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2407 ;;
2408 mingw32*)
2409 if test $target_os = "mingw32ce"; then
2410 disable network
2411 else
2412 target_os=mingw32
2413 fi
2414 LIBTARGET=i386
2415 if enabled x86_64; then
2416 enable malloc_aligned
2417 LIBTARGET="i386:x86-64"
2418 elif enabled arm; then
2419 LIBTARGET=arm-wince
2420 fi
2421 shlibdir_default="$bindir_default"
2422 SLIBPREF=""
2423 SLIBSUF=".dll"
2424 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2425 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2426 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2427 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2428 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2429 install -d "$(LIBDIR)"; \
2430 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2431 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2432 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'
2433 objformat="win32"
2434 dlltool="${cross_prefix}dlltool"
2435 enable dos_paths
2436 check_cflags -fno-common
2437 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2438 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2439 die "ERROR: MinGW runtime version must be >= 3.15."
2440 add_cppflags -U__STRICT_ANSI__
2441 ;;
2442 cygwin*)
2443 target_os=cygwin
2444 shlibdir_default="$bindir_default"
2445 SLIBPREF="cyg"
2446 SLIBSUF=".dll"
2447 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2448 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2449 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2450 objformat="win32"
2451 enable dos_paths
2452 check_cflags -fno-common
2453 ;;
2454 *-dos|freedos|opendos)
2455 network_extralibs="-lsocket"
2456 objformat="coff"
2457 enable dos_paths
2458 ;;
2459 linux)
2460 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2461 enable dv1394
2462 ;;
2463 irix*)
2464 target_os=irix
2465 ranlib="echo ignoring ranlib"
2466 ;;
2467 os/2*)
2468 ln_s="cp -f"
2469 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2470 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2471 FFSERVERLDFLAGS=""
2472 LIBSUF="_s.a"
2473 SLIBPREF=""
2474 SLIBSUF=".dll"
2475 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2476 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2477 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2478 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2479 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2480 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2481 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2482 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2483 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2484 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2485 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2486 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2487 enable dos_paths
2488 ;;
2489 gnu/kfreebsd)
2490 ;;
2491 gnu)
2492 ;;
2493 qnx)
2494 add_cppflags -D_QNX_SOURCE
2495 network_extralibs="-lsocket"
2496 ;;
2497 symbian)
2498 SLIBSUF=".dll"
2499 enable dos_paths
2500 add_cflags --include=$sysinclude/gcce/gcce.h
2501 ;;
2502 none)
2503 ;;
2504 *)
2505 die "Unknown OS '$target_os'."
2506 ;;
2507 esac
2508
2509 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2510
2511 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2512
2513 set_default $PATHS_LIST
2514
2515 # we need to build at least one lib type
2516 if ! enabled_any static shared; then
2517 cat <<EOF
2518 At least one library type must be built.
2519 Specify --enable-static to build the static libraries or --enable-shared to
2520 build the shared libraries as well. To only build the shared libraries specify
2521 --disable-static in addition to --enable-shared.
2522 EOF
2523 exit 1;
2524 fi
2525
2526 disabled static && LIBNAME=""
2527
2528 die_license_disabled() {
2529 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2530 }
2531
2532 die_license_disabled gpl libx264
2533 die_license_disabled gpl libxavs
2534 die_license_disabled gpl libxvid
2535 die_license_disabled gpl x11grab
2536
2537 die_license_disabled nonfree libfaac
2538
2539 die_license_disabled version3 libopencore_amrnb
2540 die_license_disabled version3 libopencore_amrwb
2541 die_license_disabled version3 libvo_aacenc
2542 die_license_disabled version3 libvo_amrwbenc
2543
2544 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2545
2546 disabled optimizations || check_cflags -fomit-frame-pointer
2547
2548 enable_pic() {
2549 enable pic
2550 add_cppflags -DPIC
2551 add_cflags -fPIC
2552 add_asflags -fPIC
2553 }
2554
2555 enabled pic && enable_pic
2556
2557 check_cc <<EOF || die "Symbol mangling check failed."
2558 int ff_extern;
2559 EOF
2560 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2561 extern_prefix=${sym%%ff_extern*}
2562
2563 check_cc <<EOF && enable inline_asm
2564 void foo(void) { __asm__ volatile ("" ::); }
2565 EOF
2566
2567 _restrict=
2568 for restrict_keyword in restrict __restrict__ __restrict; do
2569 check_cc <<EOF && _restrict=$restrict_keyword && break
2570 void foo(char * $restrict_keyword p);
2571 EOF
2572 done
2573
2574 check_cc <<EOF && enable attribute_packed
2575 struct { int x; } __attribute__((packed)) x;
2576 EOF
2577
2578 check_cc <<EOF && enable attribute_may_alias
2579 union { int x; } __attribute__((may_alias)) x;
2580 EOF
2581
2582 check_cc <<EOF || die "endian test failed"
2583 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2584 EOF
2585 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2586
2587 if enabled alpha; then
2588
2589 check_cflags -mieee
2590
2591 elif enabled arm; then
2592
2593 check_cflags -marm
2594 nogas=die
2595
2596 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2597 enable vfp_args
2598 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2599 case "${cross_prefix:-$cc}" in
2600 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2601 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2602 __asm__ (".eabi_attribute 28, 1");
2603 int main(void) { return 0; }
2604 EOF
2605 esac
2606 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2607 fi
2608
2609 # We have to check if pld is a nop and disable it.
2610 check_asm pld '"pld [r0]"'
2611
2612 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2613 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2614 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2615 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2616 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2617 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2618
2619 enabled_all armv6t2 shared !pic && enable_pic
2620
2621 elif enabled mips; then
2622
2623 check_asm loongson '"dmult.g $1, $2, $3"'
2624 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2625
2626 elif enabled ppc; then
2627
2628 enable local_aligned_8 local_aligned_16
2629
2630 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2631 check_asm ibm_asm '"add 0, 0, 0"'
2632 check_asm ppc4xx '"maclhw r10, r11, r12"'
2633 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2634
2635 # AltiVec flags: The FSF version of GCC differs from the Apple version
2636 if enabled altivec; then
2637 nogas=warn
2638 check_cflags -maltivec -mabi=altivec &&
2639 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2640 check_cflags -faltivec
2641
2642 # check if our compiler supports Motorola AltiVec C API
2643 check_cc <<EOF || disable altivec
2644 $inc_altivec_h
2645 int main(void) {
2646 vector signed int v1, v2, v3;
2647 v1 = vec_add(v2,v3);
2648 return 0;
2649 }
2650 EOF
2651
2652 # check if our compiler supports braces for vector declarations
2653 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2654 $inc_altivec_h
2655 int main (void) { (vector int) {1}; return 0; }
2656 EOF
2657 fi
2658
2659 elif enabled sparc; then
2660
2661 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2662 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2663
2664 elif enabled x86; then
2665
2666 enable local_aligned_8 local_aligned_16
2667
2668 # check whether EBP is available on x86
2669 # As 'i' is stored on the stack, this program will crash
2670 # if the base pointer is used to access it because the
2671 # base pointer is cleared in the inline assembly code.
2672 check_exec_crash <<EOF && enable ebp_available
2673 volatile int i=0;
2674 __asm__ volatile (
2675 "xorl %%ebp, %%ebp"
2676 ::: "%ebp");
2677 return i;
2678 EOF
2679
2680 # check whether EBX is available on x86
2681 check_asm ebx_available '""::"b"(0)' &&
2682 check_asm ebx_available '"":::"%ebx"'
2683
2684 # check whether xmm clobbers are supported
2685 check_asm xmm_clobbers '"":::"%xmm0"'
2686
2687 # check whether more than 10 operands are supported
2688 check_cc <<EOF && enable ten_operands
2689 int main(void) {
2690 int x=0;
2691 __asm__ volatile(
2692 ""
2693 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2694 );
2695 return 0;
2696 }
2697 EOF
2698
2699 # check whether binutils is new enough to compile SSSE3/MMX2
2700 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2701 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2702
2703 check_asm bswap '"bswap %%eax" ::: "%eax"'
2704
2705 if ! disabled_any asm mmx yasm; then
2706 if check_cmd $yasmexe --version; then
2707 enabled x86_64 && yasm_extra="-m amd64"
2708 yasm_debug="-g dwarf2"
2709 elif check_cmd nasm -v; then
2710 yasmexe=nasm
2711 yasm_debug="-g -F dwarf"
2712 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2713 fi
2714
2715 YASMFLAGS="-f $objformat $yasm_extra"
2716 enabled pic && append YASMFLAGS "-DPIC"
2717 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2718 case "$objformat" in
2719 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2720 esac
2721
2722 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2723 die "yasm not found, use --disable-yasm for a crippled build"
2724 check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2725 fi
2726
2727 case "$cpu" in
2728 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2729 disable fast_clz
2730 ;;
2731 esac
2732
2733 fi
2734
2735 if enabled asm; then
2736 as=${gas:=$as}
2737 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2738 $nogas "GNU assembler not found, install gas-preprocessor"
2739 fi
2740
2741 check_ldflags -Wl,--as-needed
2742
2743 if check_func dlopen; then
2744 ldl=
2745 elif check_func dlopen -ldl; then
2746 ldl=-ldl
2747 fi
2748
2749 if enabled network; then
2750 check_type "sys/types.h sys/socket.h" socklen_t
2751 check_type netdb.h "struct addrinfo"
2752 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2753 check_type netinet/in.h "struct sockaddr_in6"
2754 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2755 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2756 # Prefer arpa/inet.h over winsock2
2757 if check_header arpa/inet.h ; then
2758 check_func closesocket
2759 elif check_header winsock2.h ; then
2760 check_func_headers winsock2.h closesocket -lws2 && \
2761 network_extralibs="-lws2" || \
2762 { check_func_headers winsock2.h closesocket -lws2_32 && \
2763 network_extralibs="-lws2_32"; }
2764 check_type ws2tcpip.h socklen_t
2765 check_type ws2tcpip.h "struct addrinfo"
2766 check_type ws2tcpip.h "struct ipv6_mreq"
2767 check_type ws2tcpip.h "struct sockaddr_in6"
2768 check_type ws2tcpip.h "struct sockaddr_storage"
2769 check_struct winsock2.h "struct sockaddr" sa_len
2770 else
2771 disable network
2772 fi
2773 fi
2774
2775 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2776 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2777
2778 check_func fcntl
2779 check_func fork
2780 check_func getaddrinfo $network_extralibs
2781 check_func gethrtime
2782 check_func getrusage
2783 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2784 check_func inet_aton $network_extralibs
2785 check_func isatty
2786 check_func localtime_r
2787 check_func ${malloc_prefix}memalign && enable memalign
2788 check_func mkstemp
2789 check_func mmap
2790 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2791 check_func setrlimit
2792 check_func strerror_r
2793 check_func strtok_r
2794 check_func_headers io.h setmode
2795 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2796 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2797 check_func_headers windows.h GetProcessTimes
2798 check_func_headers windows.h MapViewOfFile
2799 check_func_headers windows.h VirtualAlloc
2800
2801 check_header dlfcn.h
2802 check_header dxva2api.h
2803 check_header malloc.h
2804 check_header poll.h
2805 check_header sys/mman.h
2806 check_header sys/resource.h
2807 check_header sys/select.h
2808 check_header vdpau/vdpau.h
2809 check_header vdpau/vdpau_x11.h
2810 check_header X11/extensions/XvMClib.h
2811
2812 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2813
2814 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2815 enabled_any $need_memalign ; then
2816 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2817 fi
2818
2819 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2820 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2821
2822 # check for some common methods of building with pthread support
2823 # do this before the optional library checks as some of them require pthreads
2824 if ! disabled pthreads && ! enabled w32threads; then
2825 enable pthreads
2826 if check_func pthread_create; then
2827 :
2828 elif check_func pthread_create -pthread; then
2829 add_cflags -pthread
2830 add_extralibs -pthread
2831 elif check_func pthread_create -pthreads; then
2832 add_cflags -pthreads
2833 add_extralibs -pthreads
2834 elif check_func pthread_create -lpthreadGC2; then
2835 add_extralibs -lpthreadGC2
2836 elif ! check_lib pthread.h pthread_create -lpthread; then
2837 disable pthreads
2838 fi
2839 fi
2840
2841 for thread in $THREADS_LIST; do
2842 if enabled $thread; then
2843 test -n "$thread_type" &&
2844 die "ERROR: Only one thread type must be selected." ||
2845 thread_type="$thread"
2846 fi
2847 done
2848
2849 check_lib math.h sin -lm && LIBM="-lm"
2850 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2851
2852 check_mathfunc exp2
2853 check_mathfunc exp2f
2854 check_mathfunc llrint
2855 check_mathfunc llrintf
2856 check_mathfunc log2
2857 check_mathfunc log2f
2858 check_mathfunc lrint
2859 check_mathfunc lrintf
2860 check_mathfunc round
2861 check_mathfunc roundf
2862 check_mathfunc trunc
2863 check_mathfunc truncf
2864
2865 # these are off by default, so fail if requested and not available
2866 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2867 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2868 enabled libdirac && require_pkg_config dirac \
2869 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2870 "dirac_decoder_init dirac_encoder_init"
2871 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2872 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2873 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2874 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2875 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2876 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2877 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2878 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2879 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2880 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2881 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2882 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2883 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2884 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2885 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2886 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2887 enabled libvpx && {
2888 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2889 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2890 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2891 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2892 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2893 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2894 die "ERROR: libx264 version must be >= 0.99."; }
2895 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2896 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2897 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2898
2899 # libdc1394 check
2900 if enabled libdc1394; then
2901 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2902 enable libdc1394_2; } ||
2903 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2904 enable libdc1394_1; } ||
2905 die "ERROR: No version of libdc1394 found "
2906 fi
2907
2908 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2909 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2910 enable sdl &&
2911 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2912 fi
2913
2914 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2915
2916 check_header linux/fb.h
2917 check_header linux/videodev.h
2918 check_header linux/videodev2.h
2919 check_header sys/videoio.h
2920
2921 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2922 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2923 # w32api 3.12 had it defined wrong
2924 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2925
2926 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2927 { check_header dev/bktr/ioctl_meteor.h &&
2928 check_header dev/bktr/ioctl_bt848.h; } ||
2929 { check_header machine/ioctl_meteor.h &&
2930 check_header machine/ioctl_bt848.h; } ||
2931 { check_header dev/video/meteor/ioctl_meteor.h &&
2932 check_header dev/video/bktr/ioctl_bt848.h; } ||
2933 check_header dev/ic/bt8xx.h
2934
2935 check_header sndio.h
2936 check_header sys/soundcard.h
2937 check_header soundcard.h
2938
2939 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2940
2941 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2942
2943 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2944
2945 enabled x11grab &&
2946 check_header X11/Xlib.h &&
2947 check_header X11/extensions/XShm.h &&
2948 check_header X11/extensions/Xfixes.h &&
2949 check_func XOpenDisplay -lX11 &&
2950 check_func XShmCreateImage -lX11 -lXext &&
2951 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2952
2953 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2954 check_cpp_condition \
2955 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2956 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2957 disable vdpau; }
2958 fi
2959
2960 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2961
2962 # add some useful compiler flags if supported
2963 check_cflags -Wdeclaration-after-statement
2964 check_cflags -Wall
2965 check_cflags -Wno-parentheses
2966 check_cflags -Wno-switch
2967 check_cflags -Wdisabled-optimization
2968 check_cflags -Wpointer-arith
2969 check_cflags -Wredundant-decls
2970 check_cflags -Wno-pointer-sign
2971 check_cflags -Wcast-qual
2972 check_cflags -Wwrite-strings
2973 check_cflags -Wtype-limits
2974 check_cflags -Wundef
2975 check_cflags -Wmissing-prototypes
2976 enabled extra_warnings && check_cflags -Winline
2977
2978 # add some linker flags
2979 check_ldflags -Wl,--warn-common
2980 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'
2981 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2982
2983 echo "X{};" > $TMPV
2984 if test_ldflags -Wl,--version-script,$TMPV; then
2985 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2986 check_cc <<EOF && enable symver_asm_label
2987 void ff_foo(void) __asm__ ("av_foo@VERSION");
2988 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2989 EOF
2990 check_cc <<EOF && enable symver_gnu_asm
2991 __asm__(".symver ff_foo,av_foo@VERSION");
2992 void ff_foo(void) {}
2993 EOF
2994 fi
2995
2996 if enabled small; then
2997 add_cflags $size_cflags
2998 optimizations="small"
2999 elif enabled optimizations; then
3000 add_cflags $speed_cflags
3001 else
3002 add_cflags $noopt_cflags
3003 fi
3004 check_cflags -fno-math-errno
3005 check_cflags -fno-signed-zeros
3006
3007 if enabled icc; then
3008 # Just warnings, no remarks
3009 check_cflags -w1
3010 # -wd: Disable following warnings
3011 # 144, 167, 556: -Wno-pointer-sign
3012 # 1292: attribute "foo" ignored
3013 # 10006: ignoring unknown option -fno-signed-zeros
3014 # 10148: ignoring unknown option -Wno-parentheses
3015 # 10156: ignoring option '-W'; no argument required
3016 check_cflags -wd144,167,556,1292,10006,10148,10156
3017 # 11030: Warning unknown option --as-needed
3018 # 10156: ignoring option '-export'; no argument required
3019 check_ldflags -wd10156,11030
3020 # Allow to compile with optimizations
3021 check_ldflags -march=$cpu
3022 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3023 enable ebp_available
3024 if enabled x86_32; then
3025 test ${icc_version%%.*} -ge 11 && \
3026 check_cflags -falign-stack=maintain-16-byte || \
3027 disable aligned_stack
3028 fi
3029 elif enabled ccc; then
3030 # disable some annoying warnings
3031 add_cflags -msg_disable cvtu32to64
3032 add_cflags -msg_disable embedcomment
3033 add_cflags -msg_disable needconstext
3034 add_cflags -msg_disable nomainieee
3035 add_cflags -msg_disable ptrmismatch1
3036 add_cflags -msg_disable unreachcode
3037 elif enabled gcc; then
3038 check_cflags -fno-tree-vectorize
3039 check_cflags -Werror=implicit-function-declaration
3040 check_cflags -Werror=missing-prototypes
3041 elif enabled llvm_gcc; then
3042 check_cflags -mllvm -stack-alignment=16
3043 elif enabled clang; then
3044 check_cflags -mllvm -stack-alignment=16
3045 check_cflags -Qunused-arguments
3046 elif enabled armcc; then
3047 # 2523: use of inline assembler is deprecated
3048 add_cflags -W${armcc_opt},--diag_suppress=2523
3049 add_cflags -W${armcc_opt},--diag_suppress=1207
3050 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3051 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3052 elif enabled tms470; then
3053 add_cflags -pds=824 -pds=837
3054 elif enabled pathscale; then
3055 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3056 fi
3057
3058 enabled_any $THREADS_LIST && enable threads
3059
3060 check_deps $CONFIG_LIST \
3061 $CONFIG_EXTRA \
3062 $HAVE_LIST \
3063 $DECODER_LIST \
3064 $ENCODER_LIST \
3065 $HWACCEL_LIST \
3066 $PARSER_LIST \
3067 $BSF_LIST \
3068 $DEMUXER_LIST \
3069 $MUXER_LIST \
3070 $FILTER_LIST \
3071 $INDEV_LIST \
3072 $OUTDEV_LIST \
3073 $PROTOCOL_LIST \
3074 $ACODEC_TESTS \
3075 $VCODEC_TESTS \
3076 $LAVF_TESTS \
3077 $LAVFI_TESTS \
3078 $SEEK_TESTS \
3079
3080 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3081
3082 echo "install prefix $prefix"
3083 echo "source path $source_path"
3084 echo "C compiler $cc"
3085 echo "ARCH $arch ($cpu)"
3086 if test "$build_suffix" != ""; then
3087 echo "build suffix $build_suffix"
3088 fi
3089 if test "$extra_version" != ""; then
3090 echo "version string suffix $extra_version"
3091 fi
3092 echo "big-endian ${bigendian-no}"
3093 echo "runtime cpu detection ${runtime_cpudetect-no}"
3094 if enabled x86; then
3095 echo "yasm ${yasm-no}"
3096 echo "MMX enabled ${mmx-no}"
3097 echo "MMX2 enabled ${mmx2-no}"
3098 echo "3DNow! enabled ${amd3dnow-no}"
3099 echo "3DNow! extended enabled ${amd3dnowext-no}"
3100 echo "SSE enabled ${sse-no}"
3101 echo "SSSE3 enabled ${ssse3-no}"
3102 echo "CMOV enabled ${cmov-no}"
3103 echo "CMOV is fast ${fast_cmov-no}"
3104 echo "EBX available ${ebx_available-no}"
3105 echo "EBP available ${ebp_available-no}"
3106 echo "10 operands supported ${ten_operands-no}"
3107 fi
3108 if enabled arm; then
3109 echo "ARMv5TE enabled ${armv5te-no}"
3110 echo "ARMv6 enabled ${armv6-no}"
3111 echo "ARMv6T2 enabled ${armv6t2-no}"
3112 echo "ARM VFP enabled ${armvfp-no}"
3113 echo "IWMMXT enabled ${iwmmxt-no}"
3114 echo "NEON enabled ${neon-no}"
3115 fi
3116 if enabled mips; then
3117 echo "MMI enabled ${mmi-no}"
3118 fi
3119 if enabled ppc; then
3120 echo "AltiVec enabled ${altivec-no}"
3121 echo "PPC 4xx optimizations ${ppc4xx-no}"
3122 echo "dcbzl available ${dcbzl-no}"
3123 fi
3124 if enabled sparc; then
3125 echo "VIS enabled ${vis-no}"
3126 fi
3127 echo "debug symbols ${debug-no}"
3128 echo "optimizations ${optimizations-no}"
3129 echo "static ${static-no}"
3130 echo "shared ${shared-no}"
3131 echo "postprocessing support ${postproc-no}"
3132 echo "new filter support ${avfilter-no}"
3133 echo "network support ${network-no}"
3134 echo "threading support ${thread_type-no}"
3135 echo "SDL support ${sdl-no}"
3136 echo "Sun medialib support ${mlib-no}"
3137 echo "AVISynth enabled ${avisynth-no}"
3138 echo "frei0r enabled ${frei0r-no}"
3139 echo "libdc1394 support ${libdc1394-no}"
3140 echo "libdirac enabled ${libdirac-no}"
3141 echo "libfaac enabled ${libfaac-no}"
3142 echo "libgsm enabled ${libgsm-no}"
3143 echo "libmp3lame enabled ${libmp3lame-no}"
3144 echo "libnut enabled ${libnut-no}"
3145 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3146 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3147 echo "libopencv support ${libopencv-no}"
3148 echo "libopenjpeg enabled ${libopenjpeg-no}"
3149 echo "librtmp enabled ${librtmp-no}"
3150 echo "libschroedinger enabled ${libschroedinger-no}"
3151 echo "libspeex enabled ${libspeex-no}"
3152 echo "libtheora enabled ${libtheora-no}"
3153 echo "libva enabled ${vaapi-no}"
3154 echo "libvo-aacenc support ${libvo_aacenc-no}"
3155 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3156 echo "libvorbis enabled ${libvorbis-no}"
3157 echo "libvpx enabled ${libvpx-no}"
3158 echo "libx264 enabled ${libx264-no}"
3159 echo "libxavs enabled ${libxavs-no}"
3160 echo "libxvid enabled ${libxvid-no}"
3161 echo "zlib enabled ${zlib-no}"
3162 echo "bzlib enabled ${bzlib-no}"
3163 echo
3164
3165 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3166 echo "Enabled ${type}s:"
3167 eval list=\$$(toupper $type)_LIST
3168 print_enabled '_*' $list | sort | pr -r -3 -t
3169 echo
3170 done
3171
3172 license="LGPL version 2.1 or later"
3173 if enabled nonfree; then
3174 license="nonfree and unredistributable"
3175 elif enabled gplv3; then
3176 license="GPL version 3 or later"
3177 elif enabled lgplv3; then
3178 license="LGPL version 3 or later"
3179 elif enabled gpl; then
3180 license="GPL version 2 or later"
3181 fi
3182
3183 echo "License: $license"
3184
3185 echo "Creating config.mak and config.h..."
3186
3187 # build tree in object directory if source path is different from current one
3188 if enabled source_path_used; then
3189 DIRS="
3190 doc
3191 libavcodec
3192 libavcodec/$arch
3193 libavdevice
3194 libavfilter
3195 libavfilter/$arch
3196 libavformat
3197 libavutil
3198 libavutil/$arch
3199 libpostproc
3200 libswscale
3201 libswscale/$arch
3202 tests
3203 tools
3204 "
3205 FILES="
3206 Makefile
3207 common.mak
3208 subdir.mak
3209 doc/texi2pod.pl
3210 libavcodec/Makefile
3211 libavcodec/${arch}/Makefile
3212 libavdevice/Makefile
3213 libavfilter/Makefile
3214 libavfilter/${arch}/Makefile
3215 libavformat/Makefile
3216 libavutil/Makefile
3217 libpostproc/Makefile
3218 libswscale/Makefile
3219 "
3220 map 'mkdir -p $v' $DIRS;
3221 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3222 fi
3223
3224 config_files="$TMPH config.mak"
3225
3226 cat > config.mak <<EOF
3227 # Automatically generated by configure - do not modify!
3228 ifndef LIBAV_CONFIG_MAK
3229 LIBAV_CONFIG_MAK=1
3230 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3231 prefix=$prefix
3232 LIBDIR=\$(DESTDIR)$libdir
3233 SHLIBDIR=\$(DESTDIR)$shlibdir
3234 INCDIR=\$(DESTDIR)$incdir
3235 BINDIR=\$(DESTDIR)$bindir
3236 DATADIR=\$(DESTDIR)$datadir
3237 MANDIR=\$(DESTDIR)$mandir
3238 SRC_PATH="$source_path"
3239 SRC_PATH_BARE=$source_path
3240 BUILD_ROOT="$PWD"
3241 CC_IDENT=$cc_ident
3242 ARCH=$arch
3243 CC=$cc
3244 AS=$as
3245 LD=$ld
3246 DEPCC=$dep_cc
3247 YASM=$yasmexe
3248 YASMDEP=$yasmexe
3249 AR=$ar
3250 RANLIB=$ranlib
3251 LN_S=$ln_s
3252 CPPFLAGS=$CPPFLAGS
3253 CFLAGS=$CFLAGS
3254 ASFLAGS=$ASFLAGS
3255 CC_O=$CC_O
3256 DLLTOOL=$dlltool
3257 LDFLAGS=$LDFLAGS
3258 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3259 SHFLAGS=$SHFLAGS
3260 YASMFLAGS=$YASMFLAGS
3261 BUILDSUF=$build_suffix
3262 FULLNAME=$FULLNAME
3263 LIBPREF=$LIBPREF
3264 LIBSUF=$LIBSUF
3265 LIBNAME=$LIBNAME
3266 SLIBPREF=$SLIBPREF
3267 SLIBSUF=$SLIBSUF
3268 EXESUF=$EXESUF
3269 EXTRA_VERSION=$extra_version
3270 DEPFLAGS=$DEPFLAGS
3271 CCDEP=$CCDEP
3272 ASDEP=$ASDEP
3273 CC_DEPFLAGS=$CC_DEPFLAGS
3274 AS_DEPFLAGS=$AS_DEPFLAGS
3275 HOSTCC=$host_cc
3276 HOSTCFLAGS=$host_cflags
3277 HOSTEXESUF=$HOSTEXESUF
3278 HOSTLDFLAGS=$host_ldflags
3279 HOSTLIBS=$host_libs
3280 TARGET_EXEC=$target_exec
3281 TARGET_PATH=$target_path
3282 SDL_LIBS=$sdl_libs
3283 SDL_CFLAGS=$sdl_cflags
3284 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3285 EXTRALIBS=$extralibs
3286 INSTALL=install
3287 LIBTARGET=${LIBTARGET}
3288 SLIBNAME=${SLIBNAME}
3289 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3290 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3291 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3292 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3293 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3294 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3295 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3296 EOF
3297
3298 get_version(){
3299 name=$1
3300 file=$source_path/$2
3301 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3302 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3303 lcname=$(tolower $name)
3304 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3305 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3306 }
3307
3308 get_version LIBSWSCALE libswscale/swscale.h
3309 get_version LIBPOSTPROC libpostproc/postprocess.h
3310 get_version LIBAVCODEC libavcodec/version.h
3311 get_version LIBAVDEVICE libavdevice/avdevice.h
3312 get_version LIBAVFORMAT libavformat/version.h
3313 get_version LIBAVUTIL libavutil/avutil.h
3314 get_version LIBAVFILTER libavfilter/avfilter.h
3315
3316 cat > $TMPH <<EOF
3317 /* Automatically generated by configure - do not modify! */
3318 #ifndef LIBAV_CONFIG_H
3319 #define LIBAV_CONFIG_H
3320 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3321 #define LIBAV_LICENSE "$(c_escape $license)"
3322 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3323 #define CC_TYPE "$cc_type"
3324 #define CC_VERSION $cc_version
3325 #define restrict $_restrict
3326 #define EXTERN_PREFIX "${extern_prefix}"
3327 #define EXTERN_ASM ${extern_prefix}
3328 #define SLIBSUF "$SLIBSUF"
3329 EOF
3330
3331 test -n "$malloc_prefix" &&
3332 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3333
3334 if enabled small || disabled optimizations; then
3335 echo "#undef av_always_inline" >> $TMPH
3336 if enabled small; then
3337 echo "#define av_always_inline inline" >> $TMPH
3338 else
3339 echo "#define av_always_inline av_unused" >> $TMPH
3340 fi
3341 fi
3342
3343 if enabled yasm; then
3344 append config_files $TMPASM
3345 printf '' >$TMPASM
3346 fi
3347
3348 print_config ARCH_ "$config_files" $ARCH_LIST
3349 print_config HAVE_ "$config_files" $HAVE_LIST
3350 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3351 $CONFIG_EXTRA \
3352 $DECODER_LIST \
3353 $ENCODER_LIST \
3354 $HWACCEL_LIST \
3355 $PARSER_LIST \
3356 $BSF_LIST \
3357 $DEMUXER_LIST \
3358 $MUXER_LIST \
3359 $FILTER_LIST \
3360 $PROTOCOL_LIST \
3361 $INDEV_LIST \
3362 $OUTDEV_LIST \
3363
3364 cat >>config.mak <<EOF
3365 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3366 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3367 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3368 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3369 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3370 EOF
3371
3372 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3373 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3374
3375 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3376 cp_if_changed $TMPH config.h
3377 touch .config
3378
3379 enabled yasm && cp_if_changed $TMPASM config.asm
3380
3381 cat > $TMPH <<EOF
3382 /* Generated by ffconf */
3383 #ifndef AVUTIL_AVCONFIG_H
3384 #define AVUTIL_AVCONFIG_H
3385 EOF
3386
3387 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3388
3389 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3390
3391 cp_if_changed $TMPH libavutil/avconfig.h
3392
3393 test -n "$WARNINGS" && printf "\n$WARNINGS"
3394
3395 # build pkg-config files
3396
3397 pkgconfig_generate(){
3398 name=$1
3399 shortname=${name#lib}${build_suffix}
3400 comment=$2
3401 version=$3
3402 libs=$4
3403 requires=$5
3404 enabled ${name#lib} || return 0
3405 cat <<EOF > $name/$name.pc
3406 prefix=$prefix
3407 exec_prefix=\${prefix}
3408 libdir=$libdir
3409 includedir=$incdir
3410
3411 Name: $name
3412 Description: $comment
3413 Version: $version
3414 Requires: $(enabled shared || echo $requires)
3415 Requires.private: $(enabled shared && echo $requires)
3416 Conflicts:
3417 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3418 Libs.private: $(enabled shared && echo $libs)
3419 Cflags: -I\${includedir}
3420 EOF
3421 cat <<EOF > $name/$name-uninstalled.pc
3422 prefix=
3423 exec_prefix=
3424 libdir=\${pcfiledir}
3425 includedir=${source_path}
3426
3427 Name: $name
3428 Description: $comment
3429 Version: $version
3430 Requires: $requires
3431 Conflicts:
3432 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3433 Cflags: -I\${includedir}
3434 EOF
3435 }
3436
3437 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3438 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3439 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3440 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3441 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3442 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3443 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"