build: move test rules to tests/Makefile
[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 --enable-vaapi enable VAAPI code
110 --enable-vdpau enable 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 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-avx disable AVX optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239 --disable-symver disable symbol versioning
240
241 Developer options (useful when working on Libav itself):
242 --disable-debug disable debugging symbols
243 --enable-debug=LEVEL set the debug level [$debuglevel]
244 --disable-optimizations disable compiler optimizations
245 --enable-extra-warnings enable more compiler warnings
246 --samples=PATH location of test samples for FATE, if not set use
247 \$FATE_SAMPLES at make invocation time.
248
249 NOTE: Object files are built at the place where configure is launched.
250 EOF
251 exit 0
252 }
253
254 quotes='""'
255
256 log(){
257 echo "$@" >> $logfile
258 }
259
260 log_file(){
261 log BEGIN $1
262 pr -n -t $1 >> $logfile
263 log END $1
264 }
265
266 echolog(){
267 log "$@"
268 echo "$@"
269 }
270
271 warn(){
272 log "WARNING: $*"
273 WARNINGS="${WARNINGS}WARNING: $*\n"
274 }
275
276 die(){
277 echolog "$@"
278 cat <<EOF
279
280 If you think configure made a mistake, make sure you are using the latest
281 version from Git. If the latest version fails, report the problem to the
282 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
283 EOF
284 if disabled logging; then
285 cat <<EOF
286 Rerun configure with logging enabled (do not use --disable-logging), and
287 include the log this produces with your report.
288 EOF
289 else
290 cat <<EOF
291 Include the log file "$logfile" produced by configure as this will help
292 solving the problem.
293 EOF
294 fi
295 exit 1
296 }
297
298 # Avoid locale weirdness, besides we really just want to translate ASCII.
299 toupper(){
300 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
301 }
302
303 tolower(){
304 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
305 }
306
307 c_escape(){
308 echo "$*" | sed 's/["\\]/\\\0/g'
309 }
310
311 sh_quote(){
312 v=$(echo "$1" | sed "s/'/'\\\\''/g")
313 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
314 echo "$v"
315 }
316
317 cleanws(){
318 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
319 }
320
321 filter(){
322 pat=$1
323 shift
324 for v; do
325 eval "case $v in $pat) echo $v ;; esac"
326 done
327 }
328
329 filter_out(){
330 pat=$1
331 shift
332 for v; do
333 eval "case $v in $pat) ;; *) echo $v ;; esac"
334 done
335 }
336
337 map(){
338 m=$1
339 shift
340 for v; do eval $m; done
341 }
342
343 set_all(){
344 value=$1
345 shift
346 for var in $*; do
347 eval $var=$value
348 done
349 }
350
351 set_weak(){
352 value=$1
353 shift
354 for var; do
355 eval : \${$var:=$value}
356 done
357 }
358
359 set_safe(){
360 var=$1
361 shift
362 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
363 }
364
365 get_safe(){
366 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
367 }
368
369 pushvar(){
370 for var in $*; do
371 eval level=\${${var}_level:=0}
372 eval ${var}_${level}="\$$var"
373 eval ${var}_level=$(($level+1))
374 done
375 }
376
377 popvar(){
378 for var in $*; do
379 eval level=\${${var}_level:-0}
380 test $level = 0 && continue
381 eval level=$(($level-1))
382 eval $var="\${${var}_${level}}"
383 eval ${var}_level=$level
384 eval unset ${var}_${level}
385 done
386 }
387
388 enable(){
389 set_all yes $*
390 }
391
392 disable(){
393 set_all no $*
394 }
395
396 enable_weak(){
397 set_weak yes $*
398 }
399
400 disable_weak(){
401 set_weak no $*
402 }
403
404 enable_safe(){
405 for var; do
406 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
407 done
408 }
409
410 disable_safe(){
411 for var; do
412 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
413 done
414 }
415
416 do_enable_deep(){
417 for var; do
418 enabled $var && continue
419 eval sel="\$${var}_select"
420 eval sgs="\$${var}_suggest"
421 pushvar var sgs
422 enable_deep $sel
423 popvar sgs
424 enable_deep_weak $sgs
425 popvar var
426 done
427 }
428
429 enable_deep(){
430 do_enable_deep $*
431 enable $*
432 }
433
434 enable_deep_weak(){
435 do_enable_deep $*
436 enable_weak $*
437 }
438
439 enabled(){
440 test "${1#!}" = "$1" && op== || op=!=
441 eval test "x\$${1#!}" $op "xyes"
442 }
443
444 disabled(){
445 test "${1#!}" = "$1" && op== || op=!=
446 eval test "x\$${1#!}" $op "xno"
447 }
448
449 enabled_all(){
450 for opt; do
451 enabled $opt || return 1
452 done
453 }
454
455 disabled_all(){
456 for opt; do
457 disabled $opt || return 1
458 done
459 }
460
461 enabled_any(){
462 for opt; do
463 enabled $opt && return 0
464 done
465 }
466
467 disabled_any(){
468 for opt; do
469 disabled $opt && return 0
470 done
471 return 1
472 }
473
474 set_default(){
475 for opt; do
476 eval : \${$opt:=\$${opt}_default}
477 done
478 }
479
480 is_in(){
481 value=$1
482 shift
483 for var in $*; do
484 [ $var = $value ] && return 0
485 done
486 return 1
487 }
488
489 check_deps(){
490 for cfg; do
491 cfg="${cfg#!}"
492 enabled ${cfg}_checking && die "Circular dependency for $cfg."
493 disabled ${cfg}_checking && continue
494 enable ${cfg}_checking
495
496 eval dep_all="\$${cfg}_deps"
497 eval dep_any="\$${cfg}_deps_any"
498 eval dep_sel="\$${cfg}_select"
499 eval dep_sgs="\$${cfg}_suggest"
500 eval dep_ifa="\$${cfg}_if"
501 eval dep_ifn="\$${cfg}_if_any"
502
503 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
504 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
505 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
506
507 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
508 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
509 enabled_all $dep_all || disable $cfg
510 enabled_any $dep_any || disable $cfg
511 disabled_any $dep_sel && disable $cfg
512
513 if enabled $cfg; then
514 eval dep_extralibs="\$${cfg}_extralibs"
515 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
516 enable_deep $dep_sel
517 enable_deep_weak $dep_sgs
518 fi
519
520 disable ${cfg}_checking
521 done
522 }
523
524 print_config_h(){
525 enabled $1 && v=1 || v=0
526 echo "#define $2 $v"
527 }
528
529 print_config_mak(){
530 enabled $1 && v= || v=!
531 echo "$v$2=yes"
532 }
533
534 print_config_asm(){
535 enabled $1 && echo "%define $2"
536 }
537
538 print_config(){
539 pfx=$1
540 files=$2
541 shift 2
542 for cfg; do
543 ucname="$(toupper $cfg)"
544 for f in $files; do
545 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
546 done
547 done
548 }
549
550 print_enabled(){
551 test "$1" = -n && end=" " && shift || end="\n"
552 suf=$1
553 shift
554 for v; do
555 enabled $v && printf "%s$end" ${v%$suf};
556 done
557 }
558
559 append(){
560 var=$1
561 shift
562 eval "$var=\"\$$var $*\""
563 }
564
565 prepend(){
566 var=$1
567 shift
568 eval "$var=\"$* \$$var\""
569 }
570
571 add_cppflags(){
572 append CPPFLAGS $($filter_cppflags "$@")
573 }
574
575 add_cflags(){
576 append CFLAGS $($filter_cflags "$@")
577 }
578
579 add_asflags(){
580 append ASFLAGS $($filter_asflags "$@")
581 }
582
583 add_ldflags(){
584 append LDFLAGS "$@"
585 }
586
587 add_extralibs(){
588 prepend extralibs "$@"
589 }
590
591 check_cmd(){
592 log "$@"
593 "$@" >> $logfile 2>&1
594 }
595
596 check_cc(){
597 log check_cc "$@"
598 cat > $TMPC
599 log_file $TMPC
600 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
601 }
602
603 check_cpp(){
604 log check_cpp "$@"
605 cat > $TMPC
606 log_file $TMPC
607 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
608 }
609
610 check_as(){
611 log check_as "$@"
612 cat > $TMPC
613 log_file $TMPC
614 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
615 }
616
617 check_asm(){
618 log check_asm "$@"
619 name="$1"
620 code="$2"
621 shift 2
622 disable $name
623 check_as "$@" <<EOF && enable $name
624 void foo(void){ __asm__ volatile($code); }
625 EOF
626 }
627
628 check_yasm(){
629 log check_yasm "$@"
630 echo "$1" > $TMPS
631 log_file $TMPS
632 shift 1
633 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
634 }
635
636 check_ld(){
637 log check_ld "$@"
638 flags=''
639 libs=''
640 for f; do
641 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
642 done
643 check_cc $($filter_cflags $flags) || return
644 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
645 }
646
647 check_cppflags(){
648 log check_cppflags "$@"
649 set -- $($filter_cppflags "$@")
650 check_cc "$@" <<EOF && append CPPFLAGS "$@"
651 int x;
652 EOF
653 }
654
655 check_cflags(){
656 log check_cflags "$@"
657 set -- $($filter_cflags "$@")
658 check_cc "$@" <<EOF && append CFLAGS "$@"
659 int x;
660 EOF
661 }
662
663 test_ldflags(){
664 log test_ldflags "$@"
665 check_ld "$@" <<EOF
666 int main(void){ return 0; }
667 EOF
668 }
669
670 check_ldflags(){
671 log check_ldflags "$@"
672 test_ldflags "$@" && add_ldflags "$@"
673 }
674
675 check_header(){
676 log check_header "$@"
677 header=$1
678 shift
679 disable_safe $header
680 check_cpp "$@" <<EOF && enable_safe $header
681 #include <$header>
682 int x;
683 EOF
684 }
685
686 check_func(){
687 log check_func "$@"
688 func=$1
689 shift
690 disable $func
691 check_ld "$@" <<EOF && enable $func
692 extern int $func();
693 int main(void){ $func(); }
694 EOF
695 }
696
697 check_mathfunc(){
698 log check_mathfunc "$@"
699 func=$1
700 shift
701 disable $func
702 check_ld "$@" <<EOF && enable $func
703 #include <math.h>
704 float foo(float f) { return $func(f); }
705 int main(void){ return 0; }
706 EOF
707 }
708
709 check_func_headers(){
710 log check_func_headers "$@"
711 headers=$1
712 funcs=$2
713 shift 2
714 {
715 for hdr in $headers; do
716 echo "#include <$hdr>"
717 done
718 for func in $funcs; do
719 echo "long check_$func(void) { return (long) $func; }"
720 done
721 echo "int main(void) { return 0; }"
722 } | check_ld "$@" && enable $funcs && enable_safe $headers
723 }
724
725 check_cpp_condition(){
726 log check_cpp_condition "$@"
727 header=$1
728 condition=$2
729 shift 2
730 check_cpp $($filter_cppflags "$@") <<EOF
731 #include <$header>
732 #if !($condition)
733 #error "unsatisfied condition: $condition"
734 #endif
735 EOF
736 }
737
738 check_lib(){
739 log check_lib "$@"
740 header="$1"
741 func="$2"
742 shift 2
743 check_header $header && check_func $func "$@" && add_extralibs "$@"
744 }
745
746 check_lib2(){
747 log check_lib2 "$@"
748 headers="$1"
749 funcs="$2"
750 shift 2
751 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
752 }
753
754 check_pkg_config(){
755 log check_pkg_config "$@"
756 pkg="$1"
757 headers="$2"
758 funcs="$3"
759 shift 3
760 $pkg_config --exists $pkg || return
761 pkg_cflags=$($pkg_config --cflags $pkg)
762 pkg_libs=$($pkg_config --libs $pkg)
763 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
764 set_safe ${pkg}_cflags $pkg_cflags &&
765 set_safe ${pkg}_libs $pkg_libs
766 }
767
768 check_exec(){
769 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
770 }
771
772 check_exec_crash(){
773 code=$(cat)
774
775 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
776 # are safe but may not be available everywhere. Thus we use
777 # raise(SIGTERM) instead. The check is run in a subshell so we
778 # can redirect the "Terminated" message from the shell. SIGBUS
779 # is not defined by standard C so it is used conditionally.
780
781 (check_exec "$@") >> $logfile 2>&1 <<EOF
782 #include <signal.h>
783 static void sighandler(int sig){
784 raise(SIGTERM);
785 }
786 int main(void){
787 signal(SIGILL, sighandler);
788 signal(SIGFPE, sighandler);
789 signal(SIGSEGV, sighandler);
790 #ifdef SIGBUS
791 signal(SIGBUS, sighandler);
792 #endif
793 { $code }
794 }
795 EOF
796 }
797
798 check_type(){
799 log check_type "$@"
800 headers=$1
801 type=$2
802 shift 2
803 disable_safe "$type"
804 incs=""
805 for hdr in $headers; do
806 incs="$incs
807 #include <$hdr>"
808 done
809 check_cc "$@" <<EOF && enable_safe "$type"
810 $incs
811 $type v;
812 EOF
813 }
814
815 check_struct(){
816 log check_type "$@"
817 headers=$1
818 struct=$2
819 member=$3
820 shift 3
821 disable_safe "${struct}_${member}"
822 incs=""
823 for hdr in $headers; do
824 incs="$incs
825 #include <$hdr>"
826 done
827 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
828 $incs
829 const void *p = &(($struct *)0)->$member;
830 EOF
831 }
832
833 require(){
834 name="$1"
835 header="$2"
836 func="$3"
837 shift 3
838 check_lib $header $func "$@" || die "ERROR: $name not found"
839 }
840
841 require2(){
842 name="$1"
843 headers="$2"
844 func="$3"
845 shift 3
846 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
847 }
848
849 require_pkg_config(){
850 pkg="$1"
851 check_pkg_config "$@" || die "ERROR: $pkg not found"
852 add_cflags $(get_safe ${pkg}_cflags)
853 add_extralibs $(get_safe ${pkg}_libs)
854 }
855
856 check_host_cc(){
857 log check_host_cc "$@"
858 cat > $TMPC
859 log_file $TMPC
860 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
861 }
862
863 check_host_cflags(){
864 log check_host_cflags "$@"
865 check_host_cc "$@" <<EOF && append host_cflags "$@"
866 int x;
867 EOF
868 }
869
870 apply(){
871 file=$1
872 shift
873 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
874 }
875
876 cp_if_changed(){
877 cmp -s "$1" "$2" &&
878 echo "$2 is unchanged" ||
879 cp -f "$1" "$2"
880 }
881
882 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
883 # system-dependent things.
884
885 COMPONENT_LIST="
886 bsfs
887 decoders
888 demuxers
889 encoders
890 filters
891 hwaccels
892 indevs
893 muxers
894 outdevs
895 parsers
896 protocols
897 "
898
899 CONFIG_LIST="
900 $COMPONENT_LIST
901 aandct
902 ac3dsp
903 avcodec
904 avdevice
905 avfilter
906 avformat
907 avisynth
908 bzlib
909 dct
910 doc
911 dwt
912 dxva2
913 fastdiv
914 ffmpeg
915 ffplay
916 ffprobe
917 ffserver
918 fft
919 frei0r
920 golomb
921 gpl
922 gray
923 h264dsp
924 h264pred
925 hardcoded_tables
926 huffman
927 libdc1394
928 libdirac
929 libfaac
930 libfreetype
931 libgsm
932 libmp3lame
933 libnut
934 libopencore_amrnb
935 libopencore_amrwb
936 libopencv
937 libopenjpeg
938 librtmp
939 libschroedinger
940 libspeex
941 libtheora
942 libvo_aacenc
943 libvo_amrwbenc
944 libvorbis
945 libvpx
946 libx264
947 libxavs
948 libxvid
949 lpc
950 lsp
951 mdct
952 memalign_hack
953 mlib
954 mpegaudiodsp
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 vfpv3
1023 vis
1024 '
1025
1026 HAVE_LIST_PUB='
1027 bigendian
1028 fast_unaligned
1029 '
1030
1031 HAVE_LIST="
1032 $ARCH_EXT_LIST
1033 $HAVE_LIST_PUB
1034 $THREADS_LIST
1035 aligned_stack
1036 alsa_asoundlib_h
1037 altivec_h
1038 arpa_inet_h
1039 attribute_may_alias
1040 attribute_packed
1041 bswap
1042 closesocket
1043 cmov
1044 dcbzl
1045 dev_bktr_ioctl_bt848_h
1046 dev_bktr_ioctl_meteor_h
1047 dev_ic_bt8xx_h
1048 dev_video_meteor_ioctl_meteor_h
1049 dev_video_bktr_ioctl_bt848_h
1050 dlfcn_h
1051 dlopen
1052 dos_paths
1053 ebp_available
1054 ebx_available
1055 exp2
1056 exp2f
1057 fast_64bit
1058 fast_clz
1059 fast_cmov
1060 fcntl
1061 fork
1062 getaddrinfo
1063 gethrtime
1064 GetProcessMemoryInfo
1065 GetProcessTimes
1066 getrusage
1067 gnu_as
1068 struct_rusage_ru_maxrss
1069 ibm_asm
1070 inet_aton
1071 inline_asm
1072 isatty
1073 ldbrx
1074 libdc1394_1
1075 libdc1394_2
1076 llrint
1077 llrintf
1078 local_aligned_16
1079 local_aligned_8
1080 localtime_r
1081 log2
1082 log2f
1083 loongson
1084 lrint
1085 lrintf
1086 lzo1x_999_compress
1087 machine_ioctl_bt848_h
1088 machine_ioctl_meteor_h
1089 malloc_h
1090 MapViewOfFile
1091 memalign
1092 mkstemp
1093 mmap
1094 pld
1095 posix_memalign
1096 round
1097 roundf
1098 sdl
1099 sdl_video_size
1100 setmode
1101 sndio_h
1102 socklen_t
1103 soundcard_h
1104 poll_h
1105 setrlimit
1106 strerror_r
1107 strtok_r
1108 struct_addrinfo
1109 struct_ipv6_mreq
1110 struct_sockaddr_in6
1111 struct_sockaddr_sa_len
1112 struct_sockaddr_storage
1113 symver
1114 symver_gnu_asm
1115 symver_asm_label
1116 sys_mman_h
1117 sys_resource_h
1118 sys_select_h
1119 sys_soundcard_h
1120 sys_videoio_h
1121 ten_operands
1122 threads
1123 trunc
1124 truncf
1125 vfp_args
1126 VirtualAlloc
1127 winsock2_h
1128 xform_asm
1129 xmm_clobbers
1130 yasm
1131 "
1132
1133 # options emitted with CONFIG_ prefix but not available on command line
1134 CONFIG_EXTRA="
1135 avutil
1136 gplv3
1137 lgplv3
1138 "
1139
1140 CMDLINE_SELECT="
1141 $ARCH_EXT_LIST
1142 $CONFIG_LIST
1143 $THREADS_LIST
1144 asm
1145 cross_compile
1146 debug
1147 extra_warnings
1148 logging
1149 optimizations
1150 symver
1151 yasm
1152 "
1153
1154 PATHS_LIST='
1155 bindir
1156 datadir
1157 incdir
1158 libdir
1159 mandir
1160 prefix
1161 shlibdir
1162 '
1163
1164 CMDLINE_SET="
1165 $PATHS_LIST
1166 ar
1167 arch
1168 as
1169 build_suffix
1170 cc
1171 cpu
1172 cross_prefix
1173 dep_cc
1174 extra_version
1175 host_cc
1176 host_cflags
1177 host_ldflags
1178 host_libs
1179 host_os
1180 ld
1181 logfile
1182 malloc_prefix
1183 nm
1184 pkg_config
1185 samples
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 vfpv3_deps="armvfp"
1208
1209 mmi_deps="mips"
1210
1211 altivec_deps="ppc"
1212 ppc4xx_deps="ppc"
1213
1214 vis_deps="sparc"
1215
1216 x86_64_suggest="cmov fast_cmov"
1217 amd3dnow_deps="mmx"
1218 amd3dnowext_deps="amd3dnow"
1219 mmx_deps="x86"
1220 mmx2_deps="mmx"
1221 sse_deps="mmx"
1222 ssse3_deps="sse"
1223 avx_deps="ssse3"
1224
1225 aligned_stack_if_any="ppc x86"
1226 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1227 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1228 fast_unaligned_if_any="armv6 ppc x86"
1229
1230 need_memalign="altivec neon sse"
1231 inline_asm_deps="!tms470"
1232
1233 symver_if_any="symver_asm_label symver_gnu_asm"
1234
1235 # subsystems
1236 dct_select="rdft"
1237 mdct_select="fft"
1238 rdft_select="fft"
1239 mpegaudiodsp_select="dct"
1240
1241 # decoders / encoders / hardware accelerators
1242 aac_decoder_select="mdct sinewin"
1243 aac_encoder_select="mdct sinewin"
1244 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1245 ac3_decoder_select="mdct ac3dsp ac3_parser"
1246 ac3_encoder_select="mdct ac3dsp"
1247 ac3_fixed_encoder_select="mdct ac3dsp"
1248 alac_encoder_select="lpc"
1249 amrnb_decoder_select="lsp"
1250 amrwb_decoder_select="lsp"
1251 atrac1_decoder_select="mdct sinewin"
1252 atrac3_decoder_select="mdct"
1253 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1254 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1255 cavs_decoder_select="golomb"
1256 cook_decoder_select="mdct sinewin"
1257 cscd_decoder_suggest="zlib"
1258 dca_decoder_select="mdct"
1259 dnxhd_encoder_select="aandct"
1260 dxa_decoder_select="zlib"
1261 eac3_decoder_select="ac3_decoder"
1262 eac3_encoder_select="mdct ac3dsp"
1263 eamad_decoder_select="aandct"
1264 eatgq_decoder_select="aandct"
1265 eatqi_decoder_select="aandct"
1266 ffv1_decoder_select="golomb"
1267 flac_decoder_select="golomb"
1268 flac_encoder_select="golomb lpc"
1269 flashsv_decoder_select="zlib"
1270 flashsv_encoder_select="zlib"
1271 flv_decoder_select="h263_decoder"
1272 flv_encoder_select="h263_encoder"
1273 fraps_decoder_select="huffman"
1274 h261_encoder_select="aandct"
1275 h263_decoder_select="h263_parser"
1276 h263_encoder_select="aandct"
1277 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1278 h263i_decoder_select="h263_decoder"
1279 h263p_encoder_select="h263_encoder"
1280 h264_decoder_select="golomb h264dsp h264pred"
1281 h264_dxva2_hwaccel_deps="dxva2api_h"
1282 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1283 h264_vaapi_hwaccel_select="vaapi"
1284 h264_vdpau_decoder_select="vdpau h264_decoder"
1285 imc_decoder_select="fft mdct sinewin"
1286 jpegls_decoder_select="golomb"
1287 jpegls_encoder_select="golomb"
1288 ljpeg_encoder_select="aandct"
1289 loco_decoder_select="golomb"
1290 mjpeg_encoder_select="aandct"
1291 mlp_decoder_select="mlp_parser"
1292 mp1_decoder_select="mpegaudiodsp"
1293 mp2_decoder_select="mpegaudiodsp"
1294 mp3adu_decoder_select="mpegaudiodsp"
1295 mp3_decoder_select="mpegaudiodsp"
1296 mp3on4_decoder_select="mpegaudiodsp"
1297 mp1float_decoder_select="mpegaudiodsp"
1298 mp2float_decoder_select="mpegaudiodsp"
1299 mp3adufloat_decoder_select="mpegaudiodsp"
1300 mp3float_decoder_select="mpegaudiodsp"
1301 mp3on4float_decoder_select="mpegaudiodsp"
1302 mpeg1video_encoder_select="aandct"
1303 mpeg2video_encoder_select="aandct"
1304 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1305 mpeg4_encoder_select="h263_encoder"
1306 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1307 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1308 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1309 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1310 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1311 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1312 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1313 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1314 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1315 msmpeg4v1_decoder_select="h263_decoder"
1316 msmpeg4v1_encoder_select="h263_encoder"
1317 msmpeg4v2_decoder_select="h263_decoder"
1318 msmpeg4v2_encoder_select="h263_encoder"
1319 msmpeg4v3_decoder_select="h263_decoder"
1320 msmpeg4v3_encoder_select="h263_encoder"
1321 nellymoser_decoder_select="mdct sinewin"
1322 nellymoser_encoder_select="mdct sinewin"
1323 png_decoder_select="zlib"
1324 png_encoder_select="zlib"
1325 qcelp_decoder_select="lsp"
1326 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1327 ra_144_encoder_select="lpc"
1328 rv10_decoder_select="h263_decoder"
1329 rv10_encoder_select="h263_encoder"
1330 rv20_decoder_select="h263_decoder"
1331 rv20_encoder_select="h263_encoder"
1332 rv30_decoder_select="golomb h264pred"
1333 rv40_decoder_select="golomb h264pred"
1334 shorten_decoder_select="golomb"
1335 sipr_decoder_select="lsp"
1336 snow_decoder_select="dwt"
1337 snow_encoder_select="aandct dwt"
1338 svq1_encoder_select="aandct"
1339 svq3_decoder_select="golomb h264dsp h264pred"
1340 svq3_decoder_suggest="zlib"
1341 theora_decoder_select="vp3_decoder"
1342 tiff_decoder_suggest="zlib"
1343 tiff_encoder_suggest="zlib"
1344 truehd_decoder_select="mlp_decoder"
1345 tscc_decoder_select="zlib"
1346 twinvq_decoder_select="mdct lsp sinewin"
1347 vc1_decoder_select="h263_decoder"
1348 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1349 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1350 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1351 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1352 vorbis_decoder_select="mdct"
1353 vorbis_encoder_select="mdct"
1354 vp6_decoder_select="huffman"
1355 vp6a_decoder_select="vp6_decoder"
1356 vp6f_decoder_select="vp6_decoder"
1357 vp8_decoder_select="h264pred"
1358 wmapro_decoder_select="mdct sinewin"
1359 wmav1_decoder_select="mdct sinewin"
1360 wmav1_encoder_select="mdct sinewin"
1361 wmav2_decoder_select="mdct sinewin"
1362 wmav2_encoder_select="mdct sinewin"
1363 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1364 wmv1_decoder_select="h263_decoder"
1365 wmv1_encoder_select="h263_encoder"
1366 wmv2_decoder_select="h263_decoder"
1367 wmv2_encoder_select="h263_encoder"
1368 wmv3_decoder_select="vc1_decoder"
1369 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1370 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1371 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1372 zlib_decoder_select="zlib"
1373 zlib_encoder_select="zlib"
1374 zmbv_decoder_select="zlib"
1375 zmbv_encoder_select="zlib"
1376
1377 vaapi_deps="va_va_h"
1378 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1379
1380 # parsers
1381 h264_parser_select="golomb h264dsp h264pred"
1382
1383 # external libraries
1384 libdirac_decoder_deps="libdirac !libschroedinger"
1385 libdirac_encoder_deps="libdirac"
1386 libfaac_encoder_deps="libfaac"
1387 libgsm_decoder_deps="libgsm"
1388 libgsm_encoder_deps="libgsm"
1389 libgsm_ms_decoder_deps="libgsm"
1390 libgsm_ms_encoder_deps="libgsm"
1391 libmp3lame_encoder_deps="libmp3lame"
1392 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1393 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1394 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1395 libopenjpeg_decoder_deps="libopenjpeg"
1396 libschroedinger_decoder_deps="libschroedinger"
1397 libschroedinger_encoder_deps="libschroedinger"
1398 libspeex_decoder_deps="libspeex"
1399 libtheora_encoder_deps="libtheora"
1400 libvo_aacenc_encoder_deps="libvo_aacenc"
1401 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1402 libvorbis_encoder_deps="libvorbis"
1403 libvpx_decoder_deps="libvpx"
1404 libvpx_encoder_deps="libvpx"
1405 libx264_encoder_deps="libx264"
1406 libxavs_encoder_deps="libxavs"
1407 libxvid_encoder_deps="libxvid"
1408
1409 # demuxers / muxers
1410 ac3_demuxer_select="ac3_parser"
1411 asf_stream_muxer_select="asf_muxer"
1412 avisynth_demuxer_deps="avisynth"
1413 dirac_demuxer_select="dirac_parser"
1414 eac3_demuxer_select="ac3_parser"
1415 flac_demuxer_select="flac_parser"
1416 ipod_muxer_select="mov_muxer"
1417 libnut_demuxer_deps="libnut"
1418 libnut_muxer_deps="libnut"
1419 matroska_audio_muxer_select="matroska_muxer"
1420 matroska_demuxer_suggest="zlib bzlib"
1421 mov_demuxer_suggest="zlib"
1422 mp3_demuxer_select="mpegaudio_parser"
1423 mp4_muxer_select="mov_muxer"
1424 mpegtsraw_demuxer_select="mpegts_demuxer"
1425 mxf_d10_muxer_select="mxf_muxer"
1426 ogg_demuxer_select="golomb"
1427 psp_muxer_select="mov_muxer"
1428 rtp_demuxer_select="sdp_demuxer"
1429 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1430 rtsp_demuxer_select="http_protocol rtpdec"
1431 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1432 sap_demuxer_select="sdp_demuxer"
1433 sap_muxer_select="rtp_muxer rtp_protocol"
1434 sdp_demuxer_select="rtpdec"
1435 spdif_muxer_select="aac_parser"
1436 tg2_muxer_select="mov_muxer"
1437 tgp_muxer_select="mov_muxer"
1438 w64_demuxer_deps="wav_demuxer"
1439
1440 # indevs / outdevs
1441 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1442 alsa_outdev_deps="alsa_asoundlib_h"
1443 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1444 dv1394_indev_deps="dv1394 dv_demuxer"
1445 fbdev_indev_deps="linux_fb_h"
1446 jack_indev_deps="jack_jack_h"
1447 libdc1394_indev_deps="libdc1394"
1448 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1449 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1450 sndio_indev_deps="sndio_h"
1451 sndio_outdev_deps="sndio_h"
1452 v4l_indev_deps="linux_videodev_h"
1453 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1454 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1455 vfwcap_indev_extralibs="-lavicap32"
1456 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1457 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1458
1459 # protocols
1460 gopher_protocol_deps="network"
1461 http_protocol_deps="network"
1462 http_protocol_select="tcp_protocol"
1463 mmsh_protocol_select="http_protocol"
1464 mmst_protocol_deps="network"
1465 rtmp_protocol_select="tcp_protocol"
1466 rtp_protocol_select="udp_protocol"
1467 tcp_protocol_deps="network"
1468 udp_protocol_deps="network"
1469
1470 # filters
1471 blackframe_filter_deps="gpl"
1472 cropdetect_filter_deps="gpl"
1473 drawtext_filter_deps="libfreetype"
1474 frei0r_filter_deps="frei0r dlopen strtok_r"
1475 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1476 hqdn3d_filter_deps="gpl"
1477 ocv_filter_deps="libopencv"
1478 scale_filter_deps="swscale"
1479 yadif_filter_deps="gpl"
1480
1481 # libraries
1482 avdevice_deps="avcodec avformat"
1483 avformat_deps="avcodec"
1484 postproc_deps="gpl"
1485
1486 # programs
1487 ffmpeg_deps="avcodec avformat swscale"
1488 ffmpeg_select="buffer_filter"
1489 ffplay_deps="avcodec avformat swscale sdl"
1490 ffplay_select="rdft"
1491 ffprobe_deps="avcodec avformat"
1492 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1493 ffserver_extralibs='$ldl'
1494
1495 doc_deps="texi2html"
1496
1497 # tests
1498
1499 test_deps(){
1500 suf1=$1
1501 suf2=$2
1502 shift 2
1503 for v; do
1504 dep=${v%=*}
1505 tests=${v#*=}
1506 for name in ${tests}; do
1507 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1508 done
1509 done
1510 }
1511
1512 set_ne_test_deps(){
1513 eval ${1}_be_test_deps="bigendian"
1514 eval ${1}_le_test_deps="!bigendian"
1515 }
1516
1517 test_deps _encoder _decoder \
1518 adpcm_g726=g726 \
1519 adpcm_ima_qt \
1520 adpcm_ima_wav \
1521 adpcm_ms \
1522 adpcm_swf \
1523 adpcm_yamaha=adpcm_yam \
1524 alac \
1525 asv1 \
1526 asv2 \
1527 bmp \
1528 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1529 dvvideo="dv dv50" \
1530 ffv1 \
1531 flac \
1532 flashsv \
1533 flv \
1534 gif \
1535 h261 \
1536 h263="h263 h263p" \
1537 huffyuv \
1538 jpegls \
1539 mjpeg="jpg mjpeg ljpeg" \
1540 mp2 \
1541 mpeg1video="mpeg mpeg1b" \
1542 mpeg2video="mpeg2 mpeg2thread" \
1543 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1544 msmpeg4v3=msmpeg4 \
1545 msmpeg4v2 \
1546 pbm=pbmpipe \
1547 pcx \
1548 pgm="pgm pgmpipe" \
1549 png \
1550 ppm="ppm ppmpipe" \
1551 rawvideo="rgb yuv" \
1552 roq \
1553 rv10 \
1554 rv20 \
1555 sgi \
1556 snow="snow snowll" \
1557 svq1 \
1558 targa=tga \
1559 tiff \
1560 wmav1 \
1561 wmav2 \
1562 wmv1 \
1563 wmv2 \
1564
1565 test_deps _muxer _demuxer \
1566 aiff \
1567 pcm_alaw=alaw \
1568 asf \
1569 au \
1570 avi \
1571 dv=dv_fmt \
1572 ffm \
1573 flv=flv_fmt \
1574 gxf \
1575 matroska=mkv \
1576 mmf \
1577 mov \
1578 pcm_mulaw=mulaw \
1579 mxf \
1580 nut \
1581 ogg \
1582 rawvideo=pixfmt \
1583 rm \
1584 swf \
1585 mpegts=ts \
1586 voc \
1587 wav \
1588 yuv4mpegpipe=yuv4mpeg \
1589
1590 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1591 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1592
1593 set_ne_test_deps pixdesc
1594 set_ne_test_deps pixfmts_copy
1595 set_ne_test_deps pixfmts_crop
1596 set_ne_test_deps pixfmts_hflip
1597 set_ne_test_deps pixfmts_null
1598 set_ne_test_deps pixfmts_pad
1599 set_ne_test_deps pixfmts_scale
1600 set_ne_test_deps pixfmts_vflip
1601
1602 # default parameters
1603
1604 logfile="config.log"
1605
1606 # installation paths
1607 prefix_default="/usr/local"
1608 bindir_default='${prefix}/bin'
1609 datadir_default='${prefix}/share/ffmpeg'
1610 incdir_default='${prefix}/include'
1611 libdir_default='${prefix}/lib'
1612 mandir_default='${prefix}/share/man'
1613 shlibdir_default="$libdir_default"
1614
1615 # toolchain
1616 ar_default="ar"
1617 cc_default="gcc"
1618 cc_version=\"unknown\"
1619 host_cc_default="gcc"
1620 ln_s="ln -sf"
1621 nm_default="nm"
1622 objformat="elf"
1623 pkg_config_default=pkg-config
1624 ranlib="ranlib"
1625 yasmexe="yasm"
1626 nogas=":"
1627
1628 nm_opts='-g'
1629
1630 # machine
1631 arch_default=$(uname -m)
1632 cpu="generic"
1633
1634 # OS
1635 target_os_default=$(tolower $(uname -s))
1636 host_os=$target_os_default
1637
1638 # configurable options
1639 enable avcodec
1640 enable avdevice
1641 enable avfilter
1642 enable avformat
1643 enable avutil
1644 enable asm
1645 enable debug
1646 enable doc
1647 enable fastdiv
1648 enable ffmpeg
1649 enable ffplay
1650 enable ffprobe
1651 enable ffserver
1652 enable network
1653 enable optimizations
1654 enable postproc
1655 enable protocols
1656 enable static
1657 enable swscale
1658 enable swscale_alpha
1659
1660 # build settings
1661 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1662 FFSERVERLDFLAGS=-Wl,-E
1663 LIBPREF="lib"
1664 LIBSUF=".a"
1665 FULLNAME='$(NAME)$(BUILDSUF)'
1666 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1667 SLIBPREF="lib"
1668 SLIBSUF=".so"
1669 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1670 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1671 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1672 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1673
1674 CC_O='-o $@'
1675
1676 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1677 host_libs='-lm'
1678
1679 target_path='$(CURDIR)'
1680
1681 # since the object filename is not given with the -MM flag, the compiler
1682 # is only able to print the basename, and we must add the path ourselves
1683 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1684 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1685
1686 # find source path
1687 if test -f configure; then
1688 source_path="$(pwd)"
1689 disable source_path_used
1690 else
1691 source_path=$(cd $(dirname "$0"); pwd)
1692 enable source_path_used
1693 echo "$source_path" | grep -q '[[:blank:]]' &&
1694 die "Out of tree builds are impossible with whitespace in source path."
1695 test -e "$source_path/config.h" &&
1696 die "Out of tree builds are impossible with config.h in source dir."
1697 fi
1698
1699 for v in "$@"; do
1700 r=${v#*=}
1701 l=${v%"$r"}
1702 r=$(sh_quote "$r")
1703 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1704 done
1705
1706 find_things(){
1707 thing=$1
1708 pattern=$2
1709 file=$source_path/$3
1710 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1711 }
1712
1713 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1714 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1715 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1716 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1717 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1718 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1719 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1720 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1721 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1722 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1723 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1724
1725 find_tests(){
1726 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1727 }
1728
1729 ACODEC_TESTS=$(find_tests acodec)
1730 VCODEC_TESTS=$(find_tests vsynth1)
1731 LAVF_TESTS=$(find_tests lavf)
1732 LAVFI_TESTS=$(find_tests lavfi)
1733 SEEK_TESTS=$(find_tests seek seek_)
1734
1735 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1736
1737 for n in $COMPONENT_LIST; do
1738 v=$(toupper ${n%s})_LIST
1739 eval enable \$$v
1740 eval ${n}_if_any="\$$v"
1741 done
1742
1743 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1744
1745 die_unknown(){
1746 echo "Unknown option \"$1\"."
1747 echo "See $0 --help for available options."
1748 exit 1
1749 }
1750
1751 show_list() {
1752 suffix=_$1
1753 shift
1754 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1755 exit 0
1756 }
1757
1758 for opt do
1759 optval="${opt#*=}"
1760 case "$opt" in
1761 --extra-ldflags=*) add_ldflags $optval
1762 ;;
1763 --extra-libs=*) add_extralibs $optval
1764 ;;
1765 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1766 ;;
1767 --enable-debug=*) debuglevel="$optval"
1768 ;;
1769 --disable-everything)
1770 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1771 ;;
1772 --enable-*=*|--disable-*=*)
1773 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1774 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1775 eval list=\$$(toupper $thing)_LIST
1776 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1777 $action $(filter "$name" $list)
1778 ;;
1779 --enable-?*|--disable-?*)
1780 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1781 if is_in $option $COMPONENT_LIST; then
1782 test $action = disable && action=unset
1783 eval $action \$$(toupper ${option%s})_LIST
1784 elif is_in $option $CMDLINE_SELECT; then
1785 $action $option
1786 else
1787 die_unknown $opt
1788 fi
1789 ;;
1790 --list-*)
1791 NAME="${opt#--list-}"
1792 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1793 NAME=${NAME%s}
1794 eval show_list $NAME \$$(toupper $NAME)_LIST
1795 ;;
1796 --help|-h) show_help
1797 ;;
1798 *)
1799 optname="${opt%%=*}"
1800 optname="${optname#--}"
1801 optname=$(echo "$optname" | sed 's/-/_/g')
1802 if is_in $optname $CMDLINE_SET; then
1803 eval $optname='$optval'
1804 elif is_in $optname $CMDLINE_APPEND; then
1805 append $optname "$optval"
1806 else
1807 die_unknown $opt
1808 fi
1809 ;;
1810 esac
1811 done
1812
1813 disabled logging && logfile=/dev/null
1814
1815 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1816 set >> $logfile
1817
1818 test -n "$cross_prefix" && enable cross_compile
1819
1820 if enabled cross_compile; then
1821 test -n "$arch" && test -n "$target_os" ||
1822 die "Must specify target arch and OS when cross-compiling"
1823 fi
1824
1825 set_default arch target_os
1826
1827 ar_default="${cross_prefix}${ar_default}"
1828 cc_default="${cross_prefix}${cc_default}"
1829 nm_default="${cross_prefix}${nm_default}"
1830 pkg_config_default="${cross_prefix}${pkg_config_default}"
1831 ranlib="${cross_prefix}${ranlib}"
1832
1833 sysinclude_default="${sysroot}/usr/include"
1834
1835 set_default cc nm pkg_config sysinclude
1836 enabled cross_compile || host_cc_default=$cc
1837 set_default host_cc
1838
1839 if ! $pkg_config --version >/dev/null 2>&1; then
1840 warn "$pkg_config not found, library detection may fail."
1841 pkg_config=false
1842 fi
1843
1844 exesuf() {
1845 case $1 in
1846 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1847 esac
1848 }
1849
1850 EXESUF=$(exesuf $target_os)
1851 HOSTEXESUF=$(exesuf $host_os)
1852
1853 # set temporary file name
1854 : ${TMPDIR:=$TEMPDIR}
1855 : ${TMPDIR:=$TMP}
1856 : ${TMPDIR:=/tmp}
1857
1858 if ! check_cmd mktemp -u XXXXXX; then
1859 # simple replacement for missing mktemp
1860 # NOT SAFE FOR GENERAL USE
1861 mktemp(){
1862 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1863 }
1864 fi
1865
1866 tmpfile(){
1867 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1868 (set -C; exec > $tmp) 2>/dev/null ||
1869 die "Unable to create temporary file in $TMPDIR."
1870 append TMPFILES $tmp
1871 eval $1=$tmp
1872 }
1873
1874 trap 'rm -f -- $TMPFILES' EXIT
1875
1876 tmpfile TMPC .c
1877 tmpfile TMPE $EXESUF
1878 tmpfile TMPH .h
1879 tmpfile TMPO .o
1880 tmpfile TMPS .S
1881 tmpfile TMPV .ver
1882 tmpfile TMPSH .sh
1883 tmpfile TMPASM .asm
1884
1885 unset -f mktemp
1886
1887 chmod +x $TMPE
1888
1889 # make sure we can execute files in $TMPDIR
1890 cat > $TMPSH 2>> $logfile <<EOF
1891 #! /bin/sh
1892 EOF
1893 chmod +x $TMPSH >> $logfile 2>&1
1894 if ! $TMPSH >> $logfile 2>&1; then
1895 cat <<EOF
1896 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1897 variable to another directory and make sure that it is not mounted noexec.
1898 EOF
1899 die "Sanity test failed."
1900 fi
1901
1902 filter_cflags=echo
1903 filter_cppflags=echo
1904 filter_asflags=echo
1905
1906 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1907 cc_type=llvm_gcc
1908 cc_version=__VERSION__
1909 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1910 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1911 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1912 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1913 speed_cflags='-O3'
1914 size_cflags='-Os'
1915 elif $cc -v 2>&1 | grep -qi ^gcc; then
1916 cc_type=gcc
1917 cc_version=__VERSION__
1918 gcc_version=$($cc --version | head -n1)
1919 gcc_basever=$($cc -dumpversion)
1920 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1921 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1922 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1923 if ! $cc -dumpversion | grep -q '^2\.'; then
1924 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1925 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1926 fi
1927 speed_cflags='-O3'
1928 size_cflags='-Os'
1929 elif $cc --version 2>/dev/null | grep -q Intel; then
1930 cc_type=icc
1931 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1932 cc_ident=$($cc --version | head -n1)
1933 icc_version=$($cc -dumpversion)
1934 CC_DEPFLAGS='-MMD'
1935 AS_DEPFLAGS='-MMD'
1936 speed_cflags='-O3'
1937 size_cflags='-Os'
1938 noopt_cflags='-O1'
1939 elif $cc -v 2>&1 | grep -q xlc; then
1940 cc_type=xlc
1941 cc_version="AV_STRINGIFY(__IBMC__)"
1942 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1943 speed_cflags='-O5'
1944 size_cflags='-O5 -qcompact'
1945 elif $cc -V 2>/dev/null | grep -q Compaq; then
1946 cc_type=ccc
1947 cc_version="AV_STRINGIFY(__DECC_VER)"
1948 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1949 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1950 debuglevel=3
1951 add_ldflags -Wl,-z,now # calls to libots crash without this
1952 speed_cflags='-fast'
1953 size_cflags='-O1'
1954 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1955 test -d "$sysroot" || die "No valid sysroot specified."
1956 cc_type=armcc
1957 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1958 cc_ident=$($cc --vsn | head -n1)
1959 armcc_conf="$PWD/armcc.conf"
1960 $cc --arm_linux_configure \
1961 --arm_linux_config_file="$armcc_conf" \
1962 --configure_sysroot="$sysroot" \
1963 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1964 die "Error creating armcc configuration file."
1965 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1966 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1967 as_default="${cross_prefix}gcc"
1968 CC_DEPFLAGS='-MMD'
1969 AS_DEPFLAGS='-MMD'
1970 speed_cflags='-O3'
1971 size_cflags='-Os'
1972 filter_asflags="filter_out -W${armcc_opt}*"
1973 elif $cc -version 2>/dev/null | grep -q TMS470; then
1974 cc_type=tms470
1975 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1976 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1977 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1978 CC_O='-fr=$(@D)'
1979 as_default="${cross_prefix}gcc"
1980 ld_default="${cross_prefix}gcc"
1981 TMPO=$(basename $TMPC .c).o
1982 append TMPFILES $TMPO
1983 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1984 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1985 AS_DEPFLAGS='-MMD'
1986 speed_cflags='-O3 -mf=5'
1987 size_cflags='-O3 -mf=2'
1988 filter_cflags=tms470_flags
1989 tms470_flags(){
1990 for flag; do
1991 case $flag in
1992 -march=*|-mcpu=*)
1993 case "${flag#*=}" in
1994 armv7-a|cortex-a*) echo -mv=7a8 ;;
1995 armv7-r|cortex-r*) echo -mv=7r4 ;;
1996 armv7-m|cortex-m*) echo -mv=7m3 ;;
1997 armv6*|arm11*) echo -mv=6 ;;
1998 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1999 echo -mv=5e ;;
2000 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2001 esac
2002 ;;
2003 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2004 -mfpu=vfp) echo --float_support=vfpv2 ;;
2005 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2006 -msoft-float) echo --float_support=vfplib ;;
2007 -O[0-3]|-mf=*) echo $flag ;;
2008 -g) echo -g -mn ;;
2009 -pds=*) echo $flag ;;
2010 esac
2011 done
2012 }
2013 elif $cc -v 2>&1 | grep -q clang; then
2014 cc_type=clang
2015 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2016 cc_version=__clang_version__ || cc_version=__VERSION__
2017 cc_ident=$($cc --version | head -n1)
2018 CC_DEPFLAGS='-MMD'
2019 AS_DEPFLAGS='-MMD'
2020 speed_cflags='-O3'
2021 size_cflags='-Os'
2022 elif $cc -V 2>&1 | grep -q Sun; then
2023 cc_type=suncc
2024 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2025 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2026 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2027 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2028 speed_cflags='-O5'
2029 size_cflags='-O5 -xspace'
2030 filter_cflags=suncc_flags
2031 suncc_flags(){
2032 for flag; do
2033 case $flag in
2034 -march=*|-mcpu=*)
2035 case "${flag#*=}" in
2036 native) echo -xtarget=native ;;
2037 v9|niagara) echo -xarch=sparc ;;
2038 ultrasparc) echo -xarch=sparcvis ;;
2039 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2040 i586|pentium) echo -xchip=pentium ;;
2041 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2042 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2043 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2044 pentium4*) echo -xtarget=pentium4 ;;
2045 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2046 *-sse3) echo -xarch=sse3 ;;
2047 core2) echo -xarch=ssse3 -xchip=core2 ;;
2048 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2049 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2050 k8|opteron|athlon64|athlon-fx)
2051 echo -xarch=sse2a ;;
2052 athlon*) echo -xarch=pentium_proa ;;
2053 esac
2054 ;;
2055 -std=c99) echo -xc99 ;;
2056 -fomit-frame-pointer) echo -xregs=frameptr ;;
2057 -fPIC) echo -KPIC -xcode=pic32 ;;
2058 -W*,*) echo $flag ;;
2059 -f*-*|-W*) ;;
2060 *) echo $flag ;;
2061 esac
2062 done
2063 }
2064 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2065 cc_type=pathscale
2066 cc_version=__PATHSCALE__
2067 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2068 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2069 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2070 speed_cflags='-O2'
2071 size_cflags='-Os'
2072 filter_cflags='filter_out -Wdisabled-optimization'
2073 elif $cc -v 2>&1 | grep -q Open64; then
2074 cc_type=open64
2075 cc_version=__OPEN64__
2076 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2077 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2078 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2079 speed_cflags='-O2'
2080 size_cflags='-Os'
2081 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2082 fi
2083
2084 test -n "$cc_type" && enable $cc_type ||
2085 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2086
2087 : ${as_default:=$cc}
2088 : ${dep_cc_default:=$cc}
2089 : ${ld_default:=$cc}
2090 set_default ar as dep_cc ld
2091
2092 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2093 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2094
2095 add_cflags $extra_cflags
2096 add_asflags $extra_cflags
2097
2098 if test -n "$sysroot"; then
2099 case "$cc_type" in
2100 gcc|llvm_gcc|clang)
2101 add_cppflags --sysroot="$sysroot"
2102 add_ldflags --sysroot="$sysroot"
2103 ;;
2104 tms470)
2105 add_cppflags -I"$sysinclude"
2106 add_ldflags --sysroot="$sysroot"
2107 ;;
2108 esac
2109 fi
2110
2111 if test "$cpu" = host; then
2112 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2113
2114 case "$cc_type" in
2115 gcc|llvm_gcc)
2116 check_native(){
2117 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2118 sed -n "/$1=/{
2119 s/.*$1=\\([^ ]*\\).*/\\1/
2120 p
2121 q
2122 }" $TMPE
2123 }
2124 cpu=$(check_native -march || check_native -mcpu)
2125 ;;
2126 esac
2127
2128 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2129 fi
2130
2131 # Deal with common $arch aliases
2132 case "$arch" in
2133 arm*)
2134 arch="arm"
2135 ;;
2136 mips|mipsel|IP*)
2137 arch="mips"
2138 ;;
2139 mips64*)
2140 arch="mips"
2141 subarch="mips64"
2142 ;;
2143 parisc|hppa)
2144 arch="parisc"
2145 ;;
2146 parisc64|hppa64)
2147 arch="parisc"
2148 subarch="parisc64"
2149 ;;
2150 "Power Macintosh"|ppc|powerpc)
2151 arch="ppc"
2152 ;;
2153 ppc64|powerpc64)
2154 arch="ppc"
2155 subarch="ppc64"
2156 ;;
2157 s390|s390x)
2158 arch="s390"
2159 ;;
2160 sh4|sh)
2161 arch="sh4"
2162 ;;
2163 sun4u|sparc64)
2164 arch="sparc"
2165 subarch="sparc64"
2166 ;;
2167 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2168 arch="x86"
2169 ;;
2170 esac
2171
2172 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2173 enable $arch
2174
2175 # Add processor-specific flags
2176 if test "$cpu" = generic; then
2177 : do nothing
2178 elif enabled ppc; then
2179
2180 case $(tolower $cpu) in
2181 601|ppc601|powerpc601)
2182 cpuflags="-mcpu=601"
2183 disable altivec
2184 ;;
2185 603*|ppc603*|powerpc603*)
2186 cpuflags="-mcpu=603"
2187 disable altivec
2188 ;;
2189 604*|ppc604*|powerpc604*)
2190 cpuflags="-mcpu=604"
2191 disable altivec
2192 ;;
2193 g3|75*|ppc75*|powerpc75*)
2194 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2195 disable altivec
2196 ;;
2197 g4|745*|ppc745*|powerpc745*)
2198 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2199 ;;
2200 74*|ppc74*|powerpc74*)
2201 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2202 ;;
2203 g5|970|ppc970|powerpc970|power4*)
2204 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2205 ;;
2206 cell)
2207 cpuflags="-mcpu=cell"
2208 enable ldbrx
2209 ;;
2210 e500v2)
2211 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2212 disable altivec
2213 ;;
2214 e500)
2215 cpuflags="-mcpu=8540 -mhard-float"
2216 disable altivec
2217 ;;
2218 esac
2219
2220 elif enabled x86; then
2221
2222 case $cpu in
2223 i[345]86|pentium)
2224 cpuflags="-march=$cpu"
2225 disable mmx
2226 ;;
2227 # targets that do NOT support conditional mov (cmov)
2228 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2229 cpuflags="-march=$cpu"
2230 disable cmov
2231 ;;
2232 # targets that do support conditional mov (cmov)
2233 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2234 cpuflags="-march=$cpu"
2235 enable cmov
2236 enable fast_cmov
2237 ;;
2238 # targets that do support conditional mov but on which it's slow
2239 pentium4|pentium4m|prescott|nocona)
2240 cpuflags="-march=$cpu"
2241 enable cmov
2242 disable fast_cmov
2243 ;;
2244 esac
2245
2246 elif enabled sparc; then
2247
2248 case $cpu in
2249 niagara)
2250 cpuflags="-mcpu=$cpu"
2251 disable vis
2252 ;;
2253 sparc64)
2254 cpuflags="-mcpu=v9"
2255 ;;
2256 esac
2257
2258 elif enabled arm; then
2259
2260 case $cpu in
2261 armv*)
2262 cpuflags="-march=$cpu"
2263 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2264 ;;
2265 *)
2266 cpuflags="-mcpu=$cpu"
2267 case $cpu in
2268 cortex-a*) subarch=armv7a ;;
2269 cortex-r*) subarch=armv7r ;;
2270 cortex-m*) subarch=armv7m ;;
2271 arm11*) subarch=armv6 ;;
2272 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2273 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2274 esac
2275 ;;
2276 esac
2277
2278 elif enabled alpha; then
2279
2280 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2281
2282 elif enabled bfin; then
2283
2284 cpuflags="-mcpu=$cpu"
2285
2286 elif enabled mips; then
2287
2288 cpuflags="-march=$cpu"
2289
2290 elif enabled avr32; then
2291
2292 case $cpu in
2293 ap7[02]0[0-2])
2294 subarch="avr32_ap"
2295 cpuflags="-mpart=$cpu"
2296 ;;
2297 ap)
2298 subarch="avr32_ap"
2299 cpuflags="-march=$cpu"
2300 ;;
2301 uc3[ab]*)
2302 subarch="avr32_uc"
2303 cpuflags="-mcpu=$cpu"
2304 ;;
2305 uc)
2306 subarch="avr32_uc"
2307 cpuflags="-march=$cpu"
2308 ;;
2309 esac
2310
2311 fi
2312
2313 add_cflags $cpuflags
2314 add_asflags $cpuflags
2315
2316 # compiler sanity check
2317 check_exec <<EOF
2318 int main(void){ return 0; }
2319 EOF
2320 if test "$?" != 0; then
2321 echo "$cc is unable to create an executable file."
2322 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2323 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2324 echo "Only do this if you know what cross compiling means."
2325 fi
2326 die "C compiler test failed."
2327 fi
2328
2329 add_cppflags -D_ISOC99_SOURCE
2330 check_cflags -std=c99
2331 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2332 #include <stdlib.h>
2333 EOF
2334 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2335 #include <stdlib.h>
2336 EOF
2337
2338 check_host_cflags -std=c99
2339 check_host_cflags -Wall
2340
2341 case "$arch" in
2342 alpha|ia64|mips|parisc|sparc)
2343 spic=$shared
2344 ;;
2345 x86)
2346 subarch="x86_32"
2347 check_cc <<EOF && subarch="x86_64"
2348 int test[(int)sizeof(char*) - 7];
2349 EOF
2350 if test "$subarch" = "x86_64"; then
2351 spic=$shared
2352 fi
2353 ;;
2354 esac
2355
2356 enable $subarch
2357 enabled spic && enable pic
2358
2359 # OS specific
2360 case $target_os in
2361 haiku)
2362 prefix_default="/boot/common"
2363 network_extralibs="-lnetwork"
2364 host_libs=
2365 ;;
2366 sunos)
2367 FFSERVERLDFLAGS=""
2368 SHFLAGS='-shared -Wl,-h,$$(@F)'
2369 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2370 network_extralibs="-lsocket -lnsl"
2371 add_cppflags -D__EXTENSIONS__
2372 nm_opts='-P -g'
2373 ;;
2374 netbsd)
2375 disable symver
2376 oss_indev_extralibs="-lossaudio"
2377 oss_outdev_extralibs="-lossaudio"
2378 ;;
2379 openbsd)
2380 enable malloc_aligned
2381 # On OpenBSD 4.5. the compiler does not use PIC unless
2382 # explicitly using -fPIC. Libav builds fine without PIC,
2383 # however the generated executable will not do anything
2384 # (simply quits with exit-code 1, no crash, no output).
2385 # Thus explicitly enable PIC here.
2386 enable pic
2387 disable symver
2388 SHFLAGS='-shared'
2389 oss_indev_extralibs="-lossaudio"
2390 oss_outdev_extralibs="-lossaudio"
2391 ;;
2392 dragonfly)
2393 enable malloc_aligned
2394 disable symver
2395 ;;
2396 freebsd)
2397 enable malloc_aligned
2398 ;;
2399 bsd/os)
2400 add_extralibs -lpoll -lgnugetopt
2401 ;;
2402 darwin)
2403 enable malloc_aligned
2404 gas="gas-preprocessor.pl $cc"
2405 enabled ppc && add_asflags -force_cpusubtype_ALL
2406 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2407 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2408 add_ldflags -Wl,-dynamic,-search_paths_first
2409 SLIBSUF=".dylib"
2410 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2411 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2412 FFSERVERLDFLAGS=-Wl,-bind_at_load
2413 objformat="macho"
2414 enabled x86_64 && objformat="macho64"
2415 enabled_any pic shared ||
2416 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2417 ;;
2418 mingw32*)
2419 if test $target_os = "mingw32ce"; then
2420 disable network
2421 else
2422 target_os=mingw32
2423 fi
2424 LIBTARGET=i386
2425 if enabled x86_64; then
2426 enable malloc_aligned
2427 LIBTARGET="i386:x86-64"
2428 elif enabled arm; then
2429 LIBTARGET=arm-wince
2430 fi
2431 shlibdir_default="$bindir_default"
2432 SLIBPREF=""
2433 SLIBSUF=".dll"
2434 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2435 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2436 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2437 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2438 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2439 install -d "$(LIBDIR)"; \
2440 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2441 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2442 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'
2443 objformat="win32"
2444 dlltool="${cross_prefix}dlltool"
2445 enable dos_paths
2446 check_cflags -fno-common
2447 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2448 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2449 die "ERROR: MinGW runtime version must be >= 3.15."
2450 add_cppflags -U__STRICT_ANSI__
2451 ;;
2452 cygwin*)
2453 target_os=cygwin
2454 shlibdir_default="$bindir_default"
2455 SLIBPREF="cyg"
2456 SLIBSUF=".dll"
2457 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2458 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2459 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2460 objformat="win32"
2461 enable dos_paths
2462 check_cflags -fno-common
2463 add_cppflags -U__STRICT_ANSI__
2464 ;;
2465 *-dos|freedos|opendos)
2466 network_extralibs="-lsocket"
2467 objformat="coff"
2468 enable dos_paths
2469 add_cppflags -U__STRICT_ANSI__
2470 ;;
2471 linux)
2472 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2473 enable dv1394
2474 ;;
2475 irix*)
2476 target_os=irix
2477 ranlib="echo ignoring ranlib"
2478 ;;
2479 os/2*)
2480 ln_s="cp -f"
2481 objformat="aout"
2482 add_cppflags -D_GNU_SOURCE
2483 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2484 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2485 FFSERVERLDFLAGS=""
2486 LIBSUF="_s.a"
2487 SLIBPREF=""
2488 SLIBSUF=".dll"
2489 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2490 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2491 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2492 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2493 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2494 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2495 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2496 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2497 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2498 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2499 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2500 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2501 enable dos_paths
2502 ;;
2503 gnu/kfreebsd)
2504 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2505 ;;
2506 gnu)
2507 ;;
2508 qnx)
2509 add_cppflags -D_QNX_SOURCE
2510 network_extralibs="-lsocket"
2511 ;;
2512 symbian)
2513 SLIBSUF=".dll"
2514 enable dos_paths
2515 add_cflags --include=$sysinclude/gcce/gcce.h
2516 ;;
2517 none)
2518 ;;
2519 *)
2520 die "Unknown OS '$target_os'."
2521 ;;
2522 esac
2523
2524 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2525
2526 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2527
2528 set_default $PATHS_LIST
2529
2530 # we need to build at least one lib type
2531 if ! enabled_any static shared; then
2532 cat <<EOF
2533 At least one library type must be built.
2534 Specify --enable-static to build the static libraries or --enable-shared to
2535 build the shared libraries as well. To only build the shared libraries specify
2536 --disable-static in addition to --enable-shared.
2537 EOF
2538 exit 1;
2539 fi
2540
2541 disabled static && LIBNAME=""
2542
2543 die_license_disabled() {
2544 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2545 }
2546
2547 die_license_disabled gpl libx264
2548 die_license_disabled gpl libxavs
2549 die_license_disabled gpl libxvid
2550 die_license_disabled gpl x11grab
2551
2552 die_license_disabled nonfree libfaac
2553
2554 die_license_disabled version3 libopencore_amrnb
2555 die_license_disabled version3 libopencore_amrwb
2556 die_license_disabled version3 libvo_aacenc
2557 die_license_disabled version3 libvo_amrwbenc
2558
2559 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2560
2561 disabled optimizations || check_cflags -fomit-frame-pointer
2562
2563 enable_pic() {
2564 enable pic
2565 add_cppflags -DPIC
2566 add_cflags -fPIC
2567 add_asflags -fPIC
2568 }
2569
2570 enabled pic && enable_pic
2571
2572 check_cc <<EOF || die "Symbol mangling check failed."
2573 int ff_extern;
2574 EOF
2575 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2576 extern_prefix=${sym%%ff_extern*}
2577
2578 check_cc <<EOF && enable inline_asm
2579 void foo(void) { __asm__ volatile ("" ::); }
2580 EOF
2581
2582 _restrict=
2583 for restrict_keyword in restrict __restrict__ __restrict; do
2584 check_cc <<EOF && _restrict=$restrict_keyword && break
2585 void foo(char * $restrict_keyword p);
2586 EOF
2587 done
2588
2589 check_cc <<EOF && enable attribute_packed
2590 struct { int x; } __attribute__((packed)) x;
2591 EOF
2592
2593 check_cc <<EOF && enable attribute_may_alias
2594 union { int x; } __attribute__((may_alias)) x;
2595 EOF
2596
2597 check_cc <<EOF || die "endian test failed"
2598 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2599 EOF
2600 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2601
2602 if enabled alpha; then
2603
2604 check_cflags -mieee
2605
2606 elif enabled arm; then
2607
2608 check_cflags -marm
2609 nogas=die
2610
2611 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2612 enable vfp_args
2613 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2614 case "${cross_prefix:-$cc}" in
2615 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2616 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2617 __asm__ (".eabi_attribute 28, 1");
2618 int main(void) { return 0; }
2619 EOF
2620 esac
2621 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2622 fi
2623
2624 # We have to check if pld is a nop and disable it.
2625 check_asm pld '"pld [r0]"'
2626
2627 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2628 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2629 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2630 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2631 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2632 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2633 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2634
2635 enabled_all armv6t2 shared !pic && enable_pic
2636
2637 elif enabled mips; then
2638
2639 check_asm loongson '"dmult.g $1, $2, $3"'
2640 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2641
2642 elif enabled ppc; then
2643
2644 enable local_aligned_8 local_aligned_16
2645
2646 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2647 check_asm ibm_asm '"add 0, 0, 0"'
2648 check_asm ppc4xx '"maclhw r10, r11, r12"'
2649 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2650
2651 # AltiVec flags: The FSF version of GCC differs from the Apple version
2652 if enabled altivec; then
2653 nogas=warn
2654 check_cflags -maltivec -mabi=altivec &&
2655 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2656 check_cflags -faltivec
2657
2658 # check if our compiler supports Motorola AltiVec C API
2659 check_cc <<EOF || disable altivec
2660 $inc_altivec_h
2661 int main(void) {
2662 vector signed int v1, v2, v3;
2663 v1 = vec_add(v2,v3);
2664 return 0;
2665 }
2666 EOF
2667
2668 # check if our compiler supports braces for vector declarations
2669 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2670 $inc_altivec_h
2671 int main (void) { (vector int) {1}; return 0; }
2672 EOF
2673 fi
2674
2675 elif enabled sparc; then
2676
2677 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2678 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2679
2680 elif enabled x86; then
2681
2682 enable local_aligned_8 local_aligned_16
2683
2684 # check whether EBP is available on x86
2685 # As 'i' is stored on the stack, this program will crash
2686 # if the base pointer is used to access it because the
2687 # base pointer is cleared in the inline assembly code.
2688 check_exec_crash <<EOF && enable ebp_available
2689 volatile int i=0;
2690 __asm__ volatile (
2691 "xorl %%ebp, %%ebp"
2692 ::: "%ebp");
2693 return i;
2694 EOF
2695
2696 # check whether EBX is available on x86
2697 check_asm ebx_available '""::"b"(0)' &&
2698 check_asm ebx_available '"":::"%ebx"'
2699
2700 # check whether xmm clobbers are supported
2701 check_asm xmm_clobbers '"":::"%xmm0"'
2702
2703 # check whether more than 10 operands are supported
2704 check_cc <<EOF && enable ten_operands
2705 int main(void) {
2706 int x=0;
2707 __asm__ volatile(
2708 ""
2709 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2710 );
2711 return 0;
2712 }
2713 EOF
2714
2715 # check whether binutils is new enough to compile SSSE3/MMX2
2716 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2717 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2718
2719 check_asm bswap '"bswap %%eax" ::: "%eax"'
2720
2721 if ! disabled_any asm mmx yasm; then
2722 if check_cmd $yasmexe --version; then
2723 enabled x86_64 && yasm_extra="-m amd64"
2724 yasm_debug="-g dwarf2"
2725 elif check_cmd nasm -v; then
2726 yasmexe=nasm
2727 yasm_debug="-g -F dwarf"
2728 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2729 fi
2730
2731 YASMFLAGS="-f $objformat $yasm_extra"
2732 enabled pic && append YASMFLAGS "-DPIC"
2733 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2734 case "$objformat" in
2735 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2736 esac
2737
2738 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2739 die "yasm not found, use --disable-yasm for a crippled build"
2740 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2741 fi
2742
2743 case "$cpu" in
2744 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2745 disable fast_clz
2746 ;;
2747 esac
2748
2749 fi
2750
2751 if enabled asm; then
2752 as=${gas:=$as}
2753 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2754 $nogas "GNU assembler not found, install gas-preprocessor"
2755 fi
2756
2757 check_ldflags -Wl,--as-needed
2758
2759 if check_func dlopen; then
2760 ldl=
2761 elif check_func dlopen -ldl; then
2762 ldl=-ldl
2763 fi
2764
2765 if enabled network; then
2766 check_type "sys/types.h sys/socket.h" socklen_t
2767 check_type netdb.h "struct addrinfo"
2768 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2769 check_type netinet/in.h "struct sockaddr_in6"
2770 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2771 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2772 # Prefer arpa/inet.h over winsock2
2773 if check_header arpa/inet.h ; then
2774 check_func closesocket
2775 elif check_header winsock2.h ; then
2776 check_func_headers winsock2.h closesocket -lws2 && \
2777 network_extralibs="-lws2" || \
2778 { check_func_headers winsock2.h closesocket -lws2_32 && \
2779 network_extralibs="-lws2_32"; }
2780 check_type ws2tcpip.h socklen_t
2781 check_type ws2tcpip.h "struct addrinfo"
2782 check_type ws2tcpip.h "struct ipv6_mreq"
2783 check_type ws2tcpip.h "struct sockaddr_in6"
2784 check_type ws2tcpip.h "struct sockaddr_storage"
2785 check_struct winsock2.h "struct sockaddr" sa_len
2786 else
2787 disable network
2788 fi
2789 fi
2790
2791 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2792 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2793
2794 check_func fcntl
2795 check_func fork
2796 check_func getaddrinfo $network_extralibs
2797 check_func gethrtime
2798 check_func getrusage
2799 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2800 check_func inet_aton $network_extralibs
2801 check_func isatty
2802 check_func localtime_r
2803 check_func ${malloc_prefix}memalign && enable memalign
2804 check_func mkstemp
2805 check_func mmap
2806 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2807 check_func setrlimit
2808 check_func strerror_r
2809 check_func strtok_r
2810 check_func_headers io.h setmode
2811 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2812 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2813 check_func_headers windows.h GetProcessTimes
2814 check_func_headers windows.h MapViewOfFile
2815 check_func_headers windows.h VirtualAlloc
2816
2817 check_header dlfcn.h
2818 check_header dxva2api.h
2819 check_header malloc.h
2820 check_header poll.h
2821 check_header sys/mman.h
2822 check_header sys/resource.h
2823 check_header sys/select.h
2824 check_header vdpau/vdpau.h
2825 check_header vdpau/vdpau_x11.h
2826 check_header X11/extensions/XvMClib.h
2827
2828 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2829
2830 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2831 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2832
2833 # check for some common methods of building with pthread support
2834 # do this before the optional library checks as some of them require pthreads
2835 if ! disabled pthreads && ! enabled w32threads; then
2836 enable pthreads
2837 if check_func pthread_create; then
2838 :
2839 elif check_func pthread_create -pthread; then
2840 add_cflags -pthread
2841 add_extralibs -pthread
2842 elif check_func pthread_create -pthreads; then
2843 add_cflags -pthreads
2844 add_extralibs -pthreads
2845 elif check_func pthread_create -lpthreadGC2; then
2846 add_extralibs -lpthreadGC2
2847 elif ! check_lib pthread.h pthread_create -lpthread; then
2848 disable pthreads
2849 fi
2850 fi
2851
2852 for thread in $THREADS_LIST; do
2853 if enabled $thread; then
2854 test -n "$thread_type" &&
2855 die "ERROR: Only one thread type must be selected." ||
2856 thread_type="$thread"
2857 fi
2858 done
2859
2860 check_lib math.h sin -lm && LIBM="-lm"
2861 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2862
2863 check_mathfunc exp2
2864 check_mathfunc exp2f
2865 check_mathfunc llrint
2866 check_mathfunc llrintf
2867 check_mathfunc log2
2868 check_mathfunc log2f
2869 check_mathfunc lrint
2870 check_mathfunc lrintf
2871 check_mathfunc round
2872 check_mathfunc roundf
2873 check_mathfunc trunc
2874 check_mathfunc truncf
2875
2876 # these are off by default, so fail if requested and not available
2877 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2878 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2879 enabled libdirac && require_pkg_config dirac \
2880 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2881 "dirac_decoder_init dirac_encoder_init"
2882 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2883 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2884 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2885 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2886 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2887 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2888 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2889 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2890 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2891 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2892 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2893 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2894 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2895 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2896 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2897 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2898 enabled libvpx && {
2899 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2900 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2901 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2902 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2903 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2904 { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2905 die "ERROR: libx264 version must be >= 0.115."; }
2906 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2907 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2908 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2909
2910 # libdc1394 check
2911 if enabled libdc1394; then
2912 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2913 enable libdc1394_2; } ||
2914 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2915 enable libdc1394_1; } ||
2916 die "ERROR: No version of libdc1394 found "
2917 fi
2918
2919 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2920 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2921 enable sdl &&
2922 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2923 fi
2924
2925 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2926
2927 check_header linux/fb.h
2928 check_header linux/videodev.h
2929 check_header linux/videodev2.h
2930 check_header sys/videoio.h
2931
2932 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2933 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2934 # w32api 3.12 had it defined wrong
2935 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2936
2937 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2938 { check_header dev/bktr/ioctl_meteor.h &&
2939 check_header dev/bktr/ioctl_bt848.h; } ||
2940 { check_header machine/ioctl_meteor.h &&
2941 check_header machine/ioctl_bt848.h; } ||
2942 { check_header dev/video/meteor/ioctl_meteor.h &&
2943 check_header dev/video/bktr/ioctl_bt848.h; } ||
2944 check_header dev/ic/bt8xx.h
2945
2946 check_header sndio.h
2947 check_header sys/soundcard.h
2948 check_header soundcard.h
2949
2950 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2951
2952 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2953
2954 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2955
2956 enabled x11grab &&
2957 check_header X11/Xlib.h &&
2958 check_header X11/extensions/XShm.h &&
2959 check_header X11/extensions/Xfixes.h &&
2960 check_func XOpenDisplay -lX11 &&
2961 check_func XShmCreateImage -lX11 -lXext &&
2962 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2963
2964 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2965 check_cpp_condition \
2966 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2967 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2968 disable vdpau; }
2969 fi
2970
2971 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2972
2973 # add some useful compiler flags if supported
2974 check_cflags -Wdeclaration-after-statement
2975 check_cflags -Wall
2976 check_cflags -Wno-parentheses
2977 check_cflags -Wno-switch
2978 check_cflags -Wdisabled-optimization
2979 check_cflags -Wpointer-arith
2980 check_cflags -Wredundant-decls
2981 check_cflags -Wno-pointer-sign
2982 check_cflags -Wcast-qual
2983 check_cflags -Wwrite-strings
2984 check_cflags -Wtype-limits
2985 check_cflags -Wundef
2986 check_cflags -Wmissing-prototypes
2987 enabled extra_warnings && check_cflags -Winline
2988
2989 # add some linker flags
2990 check_ldflags -Wl,--warn-common
2991 check_ldflags -Wl,-rpath-link,libpostproc -Wl,-rpath-link,libswscale -Wl,-rpath-link,libavfilter -Wl,-rpath-link,libavdevice -Wl,-rpath-link,libavformat -Wl,-rpath-link,libavcodec -Wl,-rpath-link,libavutil
2992 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2993
2994 echo "X{};" > $TMPV
2995 if test_ldflags -Wl,--version-script,$TMPV; then
2996 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2997 check_cc <<EOF && enable symver_asm_label
2998 void ff_foo(void) __asm__ ("av_foo@VERSION");
2999 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3000 EOF
3001 check_cc <<EOF && enable symver_gnu_asm
3002 __asm__(".symver ff_foo,av_foo@VERSION");
3003 void ff_foo(void) {}
3004 EOF
3005 fi
3006
3007 if enabled small; then
3008 add_cflags $size_cflags
3009 elif enabled optimizations; then
3010 add_cflags $speed_cflags
3011 else
3012 add_cflags $noopt_cflags
3013 fi
3014 check_cflags -fno-math-errno
3015 check_cflags -fno-signed-zeros
3016
3017 if enabled icc; then
3018 # Just warnings, no remarks
3019 check_cflags -w1
3020 # -wd: Disable following warnings
3021 # 144, 167, 556: -Wno-pointer-sign
3022 # 1292: attribute "foo" ignored
3023 # 10006: ignoring unknown option -fno-signed-zeros
3024 # 10148: ignoring unknown option -Wno-parentheses
3025 # 10156: ignoring option '-W'; no argument required
3026 check_cflags -wd144,167,556,1292,10006,10148,10156
3027 # 11030: Warning unknown option --as-needed
3028 # 10156: ignoring option '-export'; no argument required
3029 check_ldflags -wd10156,11030
3030 # Allow to compile with optimizations
3031 check_ldflags -march=$cpu
3032 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3033 enable ebp_available
3034 if enabled x86_32; then
3035 test ${icc_version%%.*} -ge 11 && \
3036 check_cflags -falign-stack=maintain-16-byte || \
3037 disable aligned_stack
3038 fi
3039 elif enabled ccc; then
3040 # disable some annoying warnings
3041 add_cflags -msg_disable cvtu32to64
3042 add_cflags -msg_disable embedcomment
3043 add_cflags -msg_disable needconstext
3044 add_cflags -msg_disable nomainieee
3045 add_cflags -msg_disable ptrmismatch1
3046 add_cflags -msg_disable unreachcode
3047 elif enabled gcc; then
3048 check_cflags -fno-tree-vectorize
3049 check_cflags -Werror=implicit-function-declaration
3050 check_cflags -Werror=missing-prototypes
3051 elif enabled llvm_gcc; then
3052 check_cflags -mllvm -stack-alignment=16
3053 elif enabled clang; then
3054 check_cflags -mllvm -stack-alignment=16
3055 check_cflags -Qunused-arguments
3056 elif enabled armcc; then
3057 # 2523: use of inline assembler is deprecated
3058 add_cflags -W${armcc_opt},--diag_suppress=2523
3059 add_cflags -W${armcc_opt},--diag_suppress=1207
3060 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3061 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3062 elif enabled tms470; then
3063 add_cflags -pds=824 -pds=837
3064 elif enabled pathscale; then
3065 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3066 fi
3067
3068 enabled_any $THREADS_LIST && enable threads
3069
3070 check_deps $CONFIG_LIST \
3071 $CONFIG_EXTRA \
3072 $HAVE_LIST \
3073 $DECODER_LIST \
3074 $ENCODER_LIST \
3075 $HWACCEL_LIST \
3076 $PARSER_LIST \
3077 $BSF_LIST \
3078 $DEMUXER_LIST \
3079 $MUXER_LIST \
3080 $FILTER_LIST \
3081 $INDEV_LIST \
3082 $OUTDEV_LIST \
3083 $PROTOCOL_LIST \
3084 $ACODEC_TESTS \
3085 $VCODEC_TESTS \
3086 $LAVF_TESTS \
3087 $LAVFI_TESTS \
3088 $SEEK_TESTS \
3089
3090 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3091
3092 ! enabled_any memalign posix_memalign malloc_aligned &&
3093 enabled_any $need_memalign && enable memalign_hack
3094
3095 echo "install prefix $prefix"
3096 echo "source path $source_path"
3097 echo "C compiler $cc"
3098 echo "ARCH $arch ($cpu)"
3099 if test "$build_suffix" != ""; then
3100 echo "build suffix $build_suffix"
3101 fi
3102 if test "$extra_version" != ""; then
3103 echo "version string suffix $extra_version"
3104 fi
3105 echo "big-endian ${bigendian-no}"
3106 echo "runtime cpu detection ${runtime_cpudetect-no}"
3107 if enabled x86; then
3108 echo "${yasmexe} ${yasm-no}"
3109 echo "MMX enabled ${mmx-no}"
3110 echo "MMX2 enabled ${mmx2-no}"
3111 echo "3DNow! enabled ${amd3dnow-no}"
3112 echo "3DNow! extended enabled ${amd3dnowext-no}"
3113 echo "SSE enabled ${sse-no}"
3114 echo "SSSE3 enabled ${ssse3-no}"
3115 echo "AVX enabled ${avx-no}"
3116 echo "CMOV enabled ${cmov-no}"
3117 echo "CMOV is fast ${fast_cmov-no}"
3118 echo "EBX available ${ebx_available-no}"
3119 echo "EBP available ${ebp_available-no}"
3120 echo "10 operands supported ${ten_operands-no}"
3121 fi
3122 if enabled arm; then
3123 echo "ARMv5TE enabled ${armv5te-no}"
3124 echo "ARMv6 enabled ${armv6-no}"
3125 echo "ARMv6T2 enabled ${armv6t2-no}"
3126 echo "ARM VFP enabled ${armvfp-no}"
3127 echo "IWMMXT enabled ${iwmmxt-no}"
3128 echo "NEON enabled ${neon-no}"
3129 fi
3130 if enabled mips; then
3131 echo "MMI enabled ${mmi-no}"
3132 fi
3133 if enabled ppc; then
3134 echo "AltiVec enabled ${altivec-no}"
3135 echo "PPC 4xx optimizations ${ppc4xx-no}"
3136 echo "dcbzl available ${dcbzl-no}"
3137 fi
3138 if enabled sparc; then
3139 echo "VIS enabled ${vis-no}"
3140 fi
3141 echo "debug symbols ${debug-no}"
3142 echo "optimize for size ${small-no}"
3143 echo "optimizations ${optimizations-no}"
3144 echo "static ${static-no}"
3145 echo "shared ${shared-no}"
3146 echo "postprocessing support ${postproc-no}"
3147 echo "new filter support ${avfilter-no}"
3148 echo "network support ${network-no}"
3149 echo "threading support ${thread_type-no}"
3150 echo "SDL support ${sdl-no}"
3151 echo "Sun medialib support ${mlib-no}"
3152 echo "AVISynth enabled ${avisynth-no}"
3153 echo "frei0r enabled ${frei0r-no}"
3154 echo "libdc1394 support ${libdc1394-no}"
3155 echo "libdirac enabled ${libdirac-no}"
3156 echo "libfaac enabled ${libfaac-no}"
3157 echo "libgsm enabled ${libgsm-no}"
3158 echo "libmp3lame enabled ${libmp3lame-no}"
3159 echo "libnut enabled ${libnut-no}"
3160 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3161 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3162 echo "libopencv support ${libopencv-no}"
3163 echo "libopenjpeg enabled ${libopenjpeg-no}"
3164 echo "librtmp enabled ${librtmp-no}"
3165 echo "libschroedinger enabled ${libschroedinger-no}"
3166 echo "libspeex enabled ${libspeex-no}"
3167 echo "libtheora enabled ${libtheora-no}"
3168 echo "libva enabled ${vaapi-no}"
3169 echo "libvo-aacenc support ${libvo_aacenc-no}"
3170 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3171 echo "libvorbis enabled ${libvorbis-no}"
3172 echo "libvpx enabled ${libvpx-no}"
3173 echo "libx264 enabled ${libx264-no}"
3174 echo "libxavs enabled ${libxavs-no}"
3175 echo "libxvid enabled ${libxvid-no}"
3176 echo "zlib enabled ${zlib-no}"
3177 echo "bzlib enabled ${bzlib-no}"
3178 echo
3179
3180 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3181 echo "Enabled ${type}s:"
3182 eval list=\$$(toupper $type)_LIST
3183 print_enabled '_*' $list | sort | pr -r -3 -t
3184 echo
3185 done
3186
3187 license="LGPL version 2.1 or later"
3188 if enabled nonfree; then
3189 license="nonfree and unredistributable"
3190 elif enabled gplv3; then
3191 license="GPL version 3 or later"
3192 elif enabled lgplv3; then
3193 license="LGPL version 3 or later"
3194 elif enabled gpl; then
3195 license="GPL version 2 or later"
3196 fi
3197
3198 echo "License: $license"
3199
3200 echo "Creating config.mak and config.h..."
3201
3202 # build tree in object directory if source path is different from current one
3203 if enabled source_path_used; then
3204 DIRS="
3205 doc
3206 libavcodec
3207 libavcodec/$arch
3208 libavdevice
3209 libavfilter
3210 libavfilter/$arch
3211 libavformat
3212 libavutil
3213 libavutil/$arch
3214 libpostproc
3215 libswscale
3216 libswscale/$arch
3217 tests
3218 tools
3219 "
3220 FILES="
3221 Makefile
3222 common.mak
3223 subdir.mak
3224 doc/texi2pod.pl
3225 libavcodec/Makefile
3226 libavcodec/${arch}/Makefile
3227 libavdevice/Makefile
3228 libavfilter/Makefile
3229 libavfilter/${arch}/Makefile
3230 libavformat/Makefile
3231 libavutil/Makefile
3232 libpostproc/Makefile
3233 libswscale/Makefile
3234 tests/Makefile
3235 "
3236 map 'mkdir -p $v' $DIRS;
3237 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3238 fi
3239
3240 config_files="$TMPH config.mak"
3241
3242 cat > config.mak <<EOF
3243 # Automatically generated by configure - do not modify!
3244 ifndef LIBAV_CONFIG_MAK
3245 LIBAV_CONFIG_MAK=1
3246 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3247 prefix=$prefix
3248 LIBDIR=\$(DESTDIR)$libdir
3249 SHLIBDIR=\$(DESTDIR)$shlibdir
3250 INCDIR=\$(DESTDIR)$incdir
3251 BINDIR=\$(DESTDIR)$bindir
3252 DATADIR=\$(DESTDIR)$datadir
3253 MANDIR=\$(DESTDIR)$mandir
3254 SRC_PATH="$source_path"
3255 SRC_PATH_BARE=$source_path
3256 CC_IDENT=$cc_ident
3257 ARCH=$arch
3258 CC=$cc
3259 AS=$as
3260 LD=$ld
3261 DEPCC=$dep_cc
3262 YASM=$yasmexe
3263 YASMDEP=$yasmexe
3264 AR=$ar
3265 RANLIB=$ranlib
3266 LN_S=$ln_s
3267 CPPFLAGS=$CPPFLAGS
3268 CFLAGS=$CFLAGS
3269 ASFLAGS=$ASFLAGS
3270 CC_O=$CC_O
3271 DLLTOOL=$dlltool
3272 LDFLAGS=$LDFLAGS
3273 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3274 SHFLAGS=$SHFLAGS
3275 YASMFLAGS=$YASMFLAGS
3276 BUILDSUF=$build_suffix
3277 FULLNAME=$FULLNAME
3278 LIBPREF=$LIBPREF
3279 LIBSUF=$LIBSUF
3280 LIBNAME=$LIBNAME
3281 SLIBPREF=$SLIBPREF
3282 SLIBSUF=$SLIBSUF
3283 EXESUF=$EXESUF
3284 EXTRA_VERSION=$extra_version
3285 DEPFLAGS=$DEPFLAGS
3286 CCDEP=$CCDEP
3287 ASDEP=$ASDEP
3288 CC_DEPFLAGS=$CC_DEPFLAGS
3289 AS_DEPFLAGS=$AS_DEPFLAGS
3290 HOSTCC=$host_cc
3291 HOSTCFLAGS=$host_cflags
3292 HOSTEXESUF=$HOSTEXESUF
3293 HOSTLDFLAGS=$host_ldflags
3294 HOSTLIBS=$host_libs
3295 TARGET_EXEC=$target_exec
3296 TARGET_PATH=$target_path
3297 SDL_LIBS=$sdl_libs
3298 SDL_CFLAGS=$sdl_cflags
3299 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3300 EXTRALIBS=$extralibs
3301 INSTALL=install
3302 LIBTARGET=${LIBTARGET}
3303 SLIBNAME=${SLIBNAME}
3304 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3305 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3306 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3307 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3308 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3309 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3310 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3311 EOF
3312
3313 get_version(){
3314 name=$1
3315 file=$source_path/$2
3316 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3317 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3318 lcname=$(tolower $name)
3319 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3320 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3321 }
3322
3323 get_version LIBSWSCALE libswscale/swscale.h
3324 get_version LIBPOSTPROC libpostproc/postprocess.h
3325 get_version LIBAVCODEC libavcodec/version.h
3326 get_version LIBAVDEVICE libavdevice/avdevice.h
3327 get_version LIBAVFORMAT libavformat/version.h
3328 get_version LIBAVUTIL libavutil/avutil.h
3329 get_version LIBAVFILTER libavfilter/avfilter.h
3330
3331 cat > $TMPH <<EOF
3332 /* Automatically generated by configure - do not modify! */
3333 #ifndef LIBAV_CONFIG_H
3334 #define LIBAV_CONFIG_H
3335 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3336 #define LIBAV_LICENSE "$(c_escape $license)"
3337 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3338 #define CC_TYPE "$cc_type"
3339 #define CC_VERSION $cc_version
3340 #define restrict $_restrict
3341 #define EXTERN_PREFIX "${extern_prefix}"
3342 #define EXTERN_ASM ${extern_prefix}
3343 #define SLIBSUF "$SLIBSUF"
3344 EOF
3345
3346 test -n "$malloc_prefix" &&
3347 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3348
3349 if enabled small || disabled optimizations; then
3350 echo "#undef av_always_inline" >> $TMPH
3351 if enabled small; then
3352 echo "#define av_always_inline inline" >> $TMPH
3353 else
3354 echo "#define av_always_inline av_unused" >> $TMPH
3355 fi
3356 fi
3357
3358 if enabled yasm; then
3359 append config_files $TMPASM
3360 printf '' >$TMPASM
3361 fi
3362
3363 print_config ARCH_ "$config_files" $ARCH_LIST
3364 print_config HAVE_ "$config_files" $HAVE_LIST
3365 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3366 $CONFIG_EXTRA \
3367 $DECODER_LIST \
3368 $ENCODER_LIST \
3369 $HWACCEL_LIST \
3370 $PARSER_LIST \
3371 $BSF_LIST \
3372 $DEMUXER_LIST \
3373 $MUXER_LIST \
3374 $FILTER_LIST \
3375 $PROTOCOL_LIST \
3376 $INDEV_LIST \
3377 $OUTDEV_LIST \
3378
3379 cat >>config.mak <<EOF
3380 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3381 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3382 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3383 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3384 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3385 EOF
3386
3387 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3388 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3389
3390 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3391 cp_if_changed $TMPH config.h
3392 touch .config
3393
3394 enabled yasm && cp_if_changed $TMPASM config.asm
3395
3396 cat > $TMPH <<EOF
3397 /* Generated by ffconf */
3398 #ifndef AVUTIL_AVCONFIG_H
3399 #define AVUTIL_AVCONFIG_H
3400 EOF
3401
3402 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3403
3404 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3405
3406 cp_if_changed $TMPH libavutil/avconfig.h
3407
3408 test -n "$WARNINGS" && printf "\n$WARNINGS"
3409
3410 # build pkg-config files
3411
3412 pkgconfig_generate(){
3413 name=$1
3414 shortname=${name#lib}${build_suffix}
3415 comment=$2
3416 version=$3
3417 libs=$4
3418 requires=$5
3419 enabled ${name#lib} || return 0
3420 cat <<EOF > $name/$name.pc
3421 prefix=$prefix
3422 exec_prefix=\${prefix}
3423 libdir=$libdir
3424 includedir=$incdir
3425
3426 Name: $name
3427 Description: $comment
3428 Version: $version
3429 Requires: $(enabled shared || echo $requires)
3430 Requires.private: $(enabled shared && echo $requires)
3431 Conflicts:
3432 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3433 Libs.private: $(enabled shared && echo $libs)
3434 Cflags: -I\${includedir}
3435 EOF
3436 cat <<EOF > $name/$name-uninstalled.pc
3437 prefix=
3438 exec_prefix=
3439 libdir=\${pcfiledir}
3440 includedir=${source_path}
3441
3442 Name: $name
3443 Description: $comment
3444 Version: $version
3445 Requires: $requires
3446 Conflicts:
3447 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3448 Cflags: -I\${includedir}
3449 EOF
3450 }
3451
3452 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3453 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3454 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3455 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3456 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3457 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3458 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"