configure: Add missing libm library dependencies to .pc files.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-frei0r enable frei0r video filtering
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libopencv enable video filtering via libopencv [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
182 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxavs enable AVS encoding via xavs [no]
188 --enable-libxvid enable Xvid encoding via xvidcore,
189 native MPEG-4/Xvid encoder exists [no]
190 --enable-mlib enable Sun medialib [no]
191 --enable-zlib enable zlib [autodetect]
192
193 Advanced options (experts only):
194 --source-path=PATH path to source code [$source_path]
195 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
196 --enable-cross-compile assume a cross-compiler is used
197 --sysroot=PATH root of cross-build tree
198 --sysinclude=PATH location of cross-build system headers
199 --target-os=OS compiler targets OS [$target_os]
200 --target-exec=CMD command to run executables on target
201 --target-path=DIR path to view of build directory on target
202 --nm=NM use nm tool
203 --ar=AR use archive tool AR [$ar_default]
204 --as=AS use assembler AS [$as_default]
205 --cc=CC use C compiler CC [$cc_default]
206 --ld=LD use linker LD
207 --host-cc=HOSTCC use host C compiler HOSTCC
208 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
209 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
210 --host-libs=HLIBS use libs HLIBS when linking for host
211 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
212 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
213 --extra-libs=ELIBS add ELIBS [$ELIBS]
214 --extra-version=STRING version string suffix []
215 --build-suffix=SUFFIX library name suffix []
216 --arch=ARCH select architecture [$arch]
217 --cpu=CPU select the minimum required CPU (affects
218 instruction selection, may crash on older CPUs)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-avx disable AVX optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240 --disable-symver disable symbol versioning
241
242 Developer options (useful when working on Libav itself):
243 --disable-debug disable debugging symbols
244 --enable-debug=LEVEL set the debug level [$debuglevel]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --samples=PATH location of test samples for FATE, if not set use
248 \$FATE_SAMPLES at make invocation time.
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 warn(){
273 log "WARNING: $*"
274 WARNINGS="${WARNINGS}WARNING: $*\n"
275 }
276
277 die(){
278 echolog "$@"
279 cat <<EOF
280
281 If you think configure made a mistake, make sure you are using the latest
282 version from Git. If the latest version fails, report the problem to the
283 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
284 EOF
285 if disabled logging; then
286 cat <<EOF
287 Rerun configure with logging enabled (do not use --disable-logging), and
288 include the log this produces with your report.
289 EOF
290 else
291 cat <<EOF
292 Include the log file "$logfile" produced by configure as this will help
293 solving the problem.
294 EOF
295 fi
296 exit 1
297 }
298
299 # Avoid locale weirdness, besides we really just want to translate ASCII.
300 toupper(){
301 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
302 }
303
304 tolower(){
305 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
306 }
307
308 c_escape(){
309 echo "$*" | sed 's/["\\]/\\\0/g'
310 }
311
312 sh_quote(){
313 v=$(echo "$1" | sed "s/'/'\\\\''/g")
314 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
315 echo "$v"
316 }
317
318 cleanws(){
319 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
320 }
321
322 filter(){
323 pat=$1
324 shift
325 for v; do
326 eval "case $v in $pat) echo $v ;; esac"
327 done
328 }
329
330 filter_out(){
331 pat=$1
332 shift
333 for v; do
334 eval "case $v in $pat) ;; *) echo $v ;; esac"
335 done
336 }
337
338 map(){
339 m=$1
340 shift
341 for v; do eval $m; done
342 }
343
344 set_all(){
345 value=$1
346 shift
347 for var in $*; do
348 eval $var=$value
349 done
350 }
351
352 set_weak(){
353 value=$1
354 shift
355 for var; do
356 eval : \${$var:=$value}
357 done
358 }
359
360 set_safe(){
361 var=$1
362 shift
363 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
364 }
365
366 get_safe(){
367 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
368 }
369
370 pushvar(){
371 for var in $*; do
372 eval level=\${${var}_level:=0}
373 eval ${var}_${level}="\$$var"
374 eval ${var}_level=$(($level+1))
375 done
376 }
377
378 popvar(){
379 for var in $*; do
380 eval level=\${${var}_level:-0}
381 test $level = 0 && continue
382 eval level=$(($level-1))
383 eval $var="\${${var}_${level}}"
384 eval ${var}_level=$level
385 eval unset ${var}_${level}
386 done
387 }
388
389 enable(){
390 set_all yes $*
391 }
392
393 disable(){
394 set_all no $*
395 }
396
397 enable_weak(){
398 set_weak yes $*
399 }
400
401 disable_weak(){
402 set_weak no $*
403 }
404
405 enable_safe(){
406 for var; do
407 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
408 done
409 }
410
411 disable_safe(){
412 for var; do
413 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
414 done
415 }
416
417 do_enable_deep(){
418 for var; do
419 enabled $var && continue
420 eval sel="\$${var}_select"
421 eval sgs="\$${var}_suggest"
422 pushvar var sgs
423 enable_deep $sel
424 popvar sgs
425 enable_deep_weak $sgs
426 popvar var
427 done
428 }
429
430 enable_deep(){
431 do_enable_deep $*
432 enable $*
433 }
434
435 enable_deep_weak(){
436 do_enable_deep $*
437 enable_weak $*
438 }
439
440 enabled(){
441 test "${1#!}" = "$1" && op== || op=!=
442 eval test "x\$${1#!}" $op "xyes"
443 }
444
445 disabled(){
446 test "${1#!}" = "$1" && op== || op=!=
447 eval test "x\$${1#!}" $op "xno"
448 }
449
450 enabled_all(){
451 for opt; do
452 enabled $opt || return 1
453 done
454 }
455
456 disabled_all(){
457 for opt; do
458 disabled $opt || return 1
459 done
460 }
461
462 enabled_any(){
463 for opt; do
464 enabled $opt && return 0
465 done
466 }
467
468 disabled_any(){
469 for opt; do
470 disabled $opt && return 0
471 done
472 return 1
473 }
474
475 set_default(){
476 for opt; do
477 eval : \${$opt:=\$${opt}_default}
478 done
479 }
480
481 is_in(){
482 value=$1
483 shift
484 for var in $*; do
485 [ $var = $value ] && return 0
486 done
487 return 1
488 }
489
490 check_deps(){
491 for cfg; do
492 cfg="${cfg#!}"
493 enabled ${cfg}_checking && die "Circular dependency for $cfg."
494 disabled ${cfg}_checking && continue
495 enable ${cfg}_checking
496
497 eval dep_all="\$${cfg}_deps"
498 eval dep_any="\$${cfg}_deps_any"
499 eval dep_sel="\$${cfg}_select"
500 eval dep_sgs="\$${cfg}_suggest"
501 eval dep_ifa="\$${cfg}_if"
502 eval dep_ifn="\$${cfg}_if_any"
503
504 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
505 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
506 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507
508 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
509 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
510 enabled_all $dep_all || disable $cfg
511 enabled_any $dep_any || disable $cfg
512 disabled_any $dep_sel && disable $cfg
513
514 if enabled $cfg; then
515 eval dep_extralibs="\$${cfg}_extralibs"
516 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
517 enable_deep $dep_sel
518 enable_deep_weak $dep_sgs
519 fi
520
521 disable ${cfg}_checking
522 done
523 }
524
525 print_config_h(){
526 enabled $1 && v=1 || v=0
527 echo "#define $2 $v"
528 }
529
530 print_config_mak(){
531 enabled $1 && v= || v=!
532 echo "$v$2=yes"
533 }
534
535 print_config_asm(){
536 enabled $1 && echo "%define $2"
537 }
538
539 print_config(){
540 pfx=$1
541 files=$2
542 shift 2
543 for cfg; do
544 ucname="$(toupper $cfg)"
545 for f in $files; do
546 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
547 done
548 done
549 }
550
551 print_enabled(){
552 test "$1" = -n && end=" " && shift || end="\n"
553 suf=$1
554 shift
555 for v; do
556 enabled $v && printf "%s$end" ${v%$suf};
557 done
558 }
559
560 append(){
561 var=$1
562 shift
563 eval "$var=\"\$$var $*\""
564 }
565
566 prepend(){
567 var=$1
568 shift
569 eval "$var=\"$* \$$var\""
570 }
571
572 add_cppflags(){
573 append CPPFLAGS $($filter_cppflags "$@")
574 }
575
576 add_cflags(){
577 append CFLAGS $($filter_cflags "$@")
578 }
579
580 add_asflags(){
581 append ASFLAGS $($filter_asflags "$@")
582 }
583
584 add_ldflags(){
585 append LDFLAGS "$@"
586 }
587
588 add_extralibs(){
589 prepend extralibs "$@"
590 }
591
592 check_cmd(){
593 log "$@"
594 "$@" >> $logfile 2>&1
595 }
596
597 check_cc(){
598 log check_cc "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_cpp(){
605 log check_cpp "$@"
606 cat > $TMPC
607 log_file $TMPC
608 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
609 }
610
611 check_as(){
612 log check_as "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_asm(){
619 log check_asm "$@"
620 name="$1"
621 code="$2"
622 shift 2
623 disable $name
624 check_as "$@" <<EOF && enable $name
625 void foo(void){ __asm__ volatile($code); }
626 EOF
627 }
628
629 check_yasm(){
630 log check_yasm "$@"
631 echo "$1" > $TMPS
632 log_file $TMPS
633 shift 1
634 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
635 }
636
637 check_ld(){
638 log check_ld "$@"
639 flags=''
640 libs=''
641 for f; do
642 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
643 done
644 check_cc $($filter_cflags $flags) || return
645 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
646 }
647
648 check_cppflags(){
649 log check_cppflags "$@"
650 set -- $($filter_cppflags "$@")
651 check_cc "$@" <<EOF && append CPPFLAGS "$@"
652 int x;
653 EOF
654 }
655
656 check_cflags(){
657 log check_cflags "$@"
658 set -- $($filter_cflags "$@")
659 check_cc "$@" <<EOF && append CFLAGS "$@"
660 int x;
661 EOF
662 }
663
664 test_ldflags(){
665 log test_ldflags "$@"
666 check_ld "$@" <<EOF
667 int main(void){ return 0; }
668 EOF
669 }
670
671 check_ldflags(){
672 log check_ldflags "$@"
673 test_ldflags "$@" && add_ldflags "$@"
674 }
675
676 check_header(){
677 log check_header "$@"
678 header=$1
679 shift
680 disable_safe $header
681 check_cpp "$@" <<EOF && enable_safe $header
682 #include <$header>
683 int x;
684 EOF
685 }
686
687 check_func(){
688 log check_func "$@"
689 func=$1
690 shift
691 disable $func
692 check_ld "$@" <<EOF && enable $func
693 extern int $func();
694 int main(void){ $func(); }
695 EOF
696 }
697
698 check_mathfunc(){
699 log check_mathfunc "$@"
700 func=$1
701 shift
702 disable $func
703 check_ld "$@" <<EOF && enable $func
704 #include <math.h>
705 float foo(float f) { return $func(f); }
706 int main(void){ return 0; }
707 EOF
708 }
709
710 check_func_headers(){
711 log check_func_headers "$@"
712 headers=$1
713 funcs=$2
714 shift 2
715 {
716 for hdr in $headers; do
717 echo "#include <$hdr>"
718 done
719 for func in $funcs; do
720 echo "long check_$func(void) { return (long) $func; }"
721 done
722 echo "int main(void) { return 0; }"
723 } | check_ld "$@" && enable $funcs && enable_safe $headers
724 }
725
726 check_cpp_condition(){
727 log check_cpp_condition "$@"
728 header=$1
729 condition=$2
730 shift 2
731 check_cpp $($filter_cppflags "$@") <<EOF
732 #include <$header>
733 #if !($condition)
734 #error "unsatisfied condition: $condition"
735 #endif
736 EOF
737 }
738
739 check_lib(){
740 log check_lib "$@"
741 header="$1"
742 func="$2"
743 shift 2
744 check_header $header && check_func $func "$@" && add_extralibs "$@"
745 }
746
747 check_lib2(){
748 log check_lib2 "$@"
749 headers="$1"
750 funcs="$2"
751 shift 2
752 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
753 }
754
755 check_pkg_config(){
756 log check_pkg_config "$@"
757 pkg="$1"
758 headers="$2"
759 funcs="$3"
760 shift 3
761 $pkg_config --exists $pkg || return
762 pkg_cflags=$($pkg_config --cflags $pkg)
763 pkg_libs=$($pkg_config --libs $pkg)
764 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
765 set_safe ${pkg}_cflags $pkg_cflags &&
766 set_safe ${pkg}_libs $pkg_libs
767 }
768
769 check_exec(){
770 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
771 }
772
773 check_exec_crash(){
774 code=$(cat)
775
776 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
777 # are safe but may not be available everywhere. Thus we use
778 # raise(SIGTERM) instead. The check is run in a subshell so we
779 # can redirect the "Terminated" message from the shell. SIGBUS
780 # is not defined by standard C so it is used conditionally.
781
782 (check_exec "$@") >> $logfile 2>&1 <<EOF
783 #include <signal.h>
784 static void sighandler(int sig){
785 raise(SIGTERM);
786 }
787 int main(void){
788 signal(SIGILL, sighandler);
789 signal(SIGFPE, sighandler);
790 signal(SIGSEGV, sighandler);
791 #ifdef SIGBUS
792 signal(SIGBUS, sighandler);
793 #endif
794 { $code }
795 }
796 EOF
797 }
798
799 check_type(){
800 log check_type "$@"
801 headers=$1
802 type=$2
803 shift 2
804 disable_safe "$type"
805 incs=""
806 for hdr in $headers; do
807 incs="$incs
808 #include <$hdr>"
809 done
810 check_cc "$@" <<EOF && enable_safe "$type"
811 $incs
812 $type v;
813 EOF
814 }
815
816 check_struct(){
817 log check_type "$@"
818 headers=$1
819 struct=$2
820 member=$3
821 shift 3
822 disable_safe "${struct}_${member}"
823 incs=""
824 for hdr in $headers; do
825 incs="$incs
826 #include <$hdr>"
827 done
828 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
829 $incs
830 const void *p = &(($struct *)0)->$member;
831 EOF
832 }
833
834 require(){
835 name="$1"
836 header="$2"
837 func="$3"
838 shift 3
839 check_lib $header $func "$@" || die "ERROR: $name not found"
840 }
841
842 require2(){
843 name="$1"
844 headers="$2"
845 func="$3"
846 shift 3
847 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
848 }
849
850 require_pkg_config(){
851 pkg="$1"
852 check_pkg_config "$@" || die "ERROR: $pkg not found"
853 add_cflags $(get_safe ${pkg}_cflags)
854 add_extralibs $(get_safe ${pkg}_libs)
855 }
856
857 check_host_cc(){
858 log check_host_cc "$@"
859 cat > $TMPC
860 log_file $TMPC
861 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
862 }
863
864 check_host_cflags(){
865 log check_host_cflags "$@"
866 check_host_cc "$@" <<EOF && append host_cflags "$@"
867 int x;
868 EOF
869 }
870
871 apply(){
872 file=$1
873 shift
874 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
875 }
876
877 cp_if_changed(){
878 cmp -s "$1" "$2" &&
879 echo "$2 is unchanged" ||
880 cp -f "$1" "$2"
881 }
882
883 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
884 # system-dependent things.
885
886 COMPONENT_LIST="
887 bsfs
888 decoders
889 demuxers
890 encoders
891 filters
892 hwaccels
893 indevs
894 muxers
895 outdevs
896 parsers
897 protocols
898 "
899
900 CONFIG_LIST="
901 $COMPONENT_LIST
902 aandct
903 ac3dsp
904 avcodec
905 avdevice
906 avfilter
907 avformat
908 avisynth
909 bzlib
910 dct
911 doc
912 dwt
913 dxva2
914 fastdiv
915 ffmpeg
916 ffplay
917 ffprobe
918 ffserver
919 fft
920 frei0r
921 golomb
922 gpl
923 gray
924 h264dsp
925 h264pred
926 hardcoded_tables
927 huffman
928 libdc1394
929 libdirac
930 libfaac
931 libgsm
932 libmp3lame
933 libnut
934 libopencore_amrnb
935 libopencore_amrwb
936 libopencv
937 libopenjpeg
938 librtmp
939 libschroedinger
940 libspeex
941 libtheora
942 libvo_aacenc
943 libvo_amrwbenc
944 libvorbis
945 libvpx
946 libx264
947 libxavs
948 libxvid
949 lpc
950 lsp
951 mdct
952 memalign_hack
953 mlib
954 mpegaudio_hp
955 network
956 nonfree
957 pic
958 postproc
959 rdft
960 rtpdec
961 runtime_cpudetect
962 shared
963 sinewin
964 small
965 sram
966 static
967 swscale
968 swscale_alpha
969 vaapi
970 vdpau
971 version3
972 x11grab
973 zlib
974 "
975
976 THREADS_LIST='
977 pthreads
978 w32threads
979 '
980
981 ARCH_LIST='
982 alpha
983 arm
984 avr32
985 avr32_ap
986 avr32_uc
987 bfin
988 ia64
989 m68k
990 mips
991 mips64
992 parisc
993 ppc
994 ppc64
995 s390
996 sh4
997 sparc
998 sparc64
999 tomi
1000 x86
1001 x86_32
1002 x86_64
1003 '
1004
1005 ARCH_EXT_LIST='
1006 altivec
1007 amd3dnow
1008 amd3dnowext
1009 armv5te
1010 armv6
1011 armv6t2
1012 armvfp
1013 avx
1014 iwmmxt
1015 mmi
1016 mmx
1017 mmx2
1018 neon
1019 ppc4xx
1020 sse
1021 ssse3
1022 vis
1023 '
1024
1025 HAVE_LIST_PUB='
1026 bigendian
1027 fast_unaligned
1028 '
1029
1030 HAVE_LIST="
1031 $ARCH_EXT_LIST
1032 $HAVE_LIST_PUB
1033 $THREADS_LIST
1034 aligned_stack
1035 alsa_asoundlib_h
1036 altivec_h
1037 arpa_inet_h
1038 attribute_may_alias
1039 attribute_packed
1040 bswap
1041 closesocket
1042 cmov
1043 dcbzl
1044 dev_bktr_ioctl_bt848_h
1045 dev_bktr_ioctl_meteor_h
1046 dev_ic_bt8xx_h
1047 dev_video_meteor_ioctl_meteor_h
1048 dev_video_bktr_ioctl_bt848_h
1049 dlfcn_h
1050 dlopen
1051 dos_paths
1052 ebp_available
1053 ebx_available
1054 exp2
1055 exp2f
1056 fast_64bit
1057 fast_clz
1058 fast_cmov
1059 fcntl
1060 fork
1061 getaddrinfo
1062 gethrtime
1063 GetProcessMemoryInfo
1064 GetProcessTimes
1065 getrusage
1066 gnu_as
1067 struct_rusage_ru_maxrss
1068 ibm_asm
1069 inet_aton
1070 inline_asm
1071 isatty
1072 kbhit
1073 ldbrx
1074 libdc1394_1
1075 libdc1394_2
1076 llrint
1077 llrintf
1078 local_aligned_16
1079 local_aligned_8
1080 log2
1081 log2f
1082 loongson
1083 lrint
1084 lrintf
1085 lzo1x_999_compress
1086 machine_ioctl_bt848_h
1087 machine_ioctl_meteor_h
1088 malloc_h
1089 MapViewOfFile
1090 memalign
1091 mkstemp
1092 mmap
1093 pld
1094 posix_memalign
1095 round
1096 roundf
1097 sdl
1098 sdl_video_size
1099 setmode
1100 sndio_h
1101 socklen_t
1102 soundcard_h
1103 poll_h
1104 setrlimit
1105 strerror_r
1106 strtok_r
1107 struct_addrinfo
1108 struct_ipv6_mreq
1109 struct_sockaddr_in6
1110 struct_sockaddr_sa_len
1111 struct_sockaddr_storage
1112 symver
1113 symver_gnu_asm
1114 symver_asm_label
1115 sys_mman_h
1116 sys_resource_h
1117 sys_select_h
1118 sys_soundcard_h
1119 sys_videoio_h
1120 ten_operands
1121 threads
1122 trunc
1123 truncf
1124 vfp_args
1125 VirtualAlloc
1126 winsock2_h
1127 xform_asm
1128 xmm_clobbers
1129 yasm
1130 "
1131
1132 # options emitted with CONFIG_ prefix but not available on command line
1133 CONFIG_EXTRA="
1134 avutil
1135 gplv3
1136 lgplv3
1137 "
1138
1139 CMDLINE_SELECT="
1140 $ARCH_EXT_LIST
1141 $CONFIG_LIST
1142 $THREADS_LIST
1143 asm
1144 cross_compile
1145 debug
1146 extra_warnings
1147 logging
1148 optimizations
1149 symver
1150 yasm
1151 "
1152
1153 PATHS_LIST='
1154 bindir
1155 datadir
1156 incdir
1157 libdir
1158 mandir
1159 prefix
1160 shlibdir
1161 '
1162
1163 CMDLINE_SET="
1164 $PATHS_LIST
1165 ar
1166 arch
1167 as
1168 build_suffix
1169 cc
1170 cpu
1171 cross_prefix
1172 dep_cc
1173 extra_version
1174 host_cc
1175 host_cflags
1176 host_ldflags
1177 host_libs
1178 host_os
1179 ld
1180 logfile
1181 malloc_prefix
1182 nm
1183 pkg_config
1184 samples
1185 source_path
1186 sysinclude
1187 sysroot
1188 target_exec
1189 target_os
1190 target_path
1191 "
1192
1193 CMDLINE_APPEND="
1194 extra_cflags
1195 "
1196
1197 # code dependency declarations
1198
1199 # architecture extensions
1200
1201 armv5te_deps="arm"
1202 armv6_deps="arm"
1203 armv6t2_deps="arm"
1204 armvfp_deps="arm"
1205 iwmmxt_deps="arm"
1206 neon_deps="arm"
1207
1208 mmi_deps="mips"
1209
1210 altivec_deps="ppc"
1211 ppc4xx_deps="ppc"
1212
1213 vis_deps="sparc"
1214
1215 x86_64_suggest="cmov fast_cmov"
1216 amd3dnow_deps="mmx"
1217 amd3dnowext_deps="amd3dnow"
1218 mmx_deps="x86"
1219 mmx2_deps="mmx"
1220 sse_deps="mmx"
1221 ssse3_deps="sse"
1222 avx_deps="ssse3"
1223
1224 aligned_stack_if_any="ppc x86"
1225 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1226 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1227 fast_unaligned_if_any="armv6 ppc x86"
1228
1229 need_memalign="altivec neon sse"
1230 inline_asm_deps="!tms470"
1231
1232 symver_if_any="symver_asm_label symver_gnu_asm"
1233
1234 # subsystems
1235 dct_select="rdft"
1236 mdct_select="fft"
1237 rdft_select="fft"
1238
1239 # decoders / encoders / hardware accelerators
1240 aac_decoder_select="mdct sinewin"
1241 aac_encoder_select="mdct sinewin"
1242 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1243 ac3_decoder_select="mdct ac3dsp ac3_parser"
1244 ac3_encoder_select="mdct ac3dsp"
1245 ac3_fixed_encoder_select="ac3dsp"
1246 alac_encoder_select="lpc"
1247 amrnb_decoder_select="lsp"
1248 amrwb_decoder_select="lsp"
1249 atrac1_decoder_select="mdct sinewin"
1250 atrac3_decoder_select="mdct"
1251 binkaudio_dct_decoder_select="mdct rdft dct"
1252 binkaudio_rdft_decoder_select="mdct rdft"
1253 cavs_decoder_select="golomb"
1254 cook_decoder_select="mdct sinewin"
1255 cscd_decoder_suggest="zlib"
1256 dca_decoder_select="mdct"
1257 dnxhd_encoder_select="aandct"
1258 dxa_decoder_select="zlib"
1259 eac3_decoder_select="ac3_decoder"
1260 eamad_decoder_select="aandct"
1261 eatgq_decoder_select="aandct"
1262 eatqi_decoder_select="aandct"
1263 ffv1_decoder_select="golomb"
1264 flac_decoder_select="golomb"
1265 flac_encoder_select="golomb lpc"
1266 flashsv_decoder_select="zlib"
1267 flashsv_encoder_select="zlib"
1268 flv_decoder_select="h263_decoder"
1269 flv_encoder_select="h263_encoder"
1270 fraps_decoder_select="huffman"
1271 h261_encoder_select="aandct"
1272 h263_decoder_select="h263_parser"
1273 h263_encoder_select="aandct"
1274 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1275 h263i_decoder_select="h263_decoder"
1276 h263p_encoder_select="h263_encoder"
1277 h264_decoder_select="golomb h264dsp h264pred"
1278 h264_dxva2_hwaccel_deps="dxva2api_h"
1279 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1280 h264_vaapi_hwaccel_select="vaapi"
1281 h264_vdpau_decoder_select="vdpau h264_decoder"
1282 imc_decoder_select="fft mdct"
1283 jpegls_decoder_select="golomb"
1284 jpegls_encoder_select="golomb"
1285 ljpeg_encoder_select="aandct"
1286 loco_decoder_select="golomb"
1287 mjpeg_encoder_select="aandct"
1288 mlp_decoder_select="mlp_parser"
1289 mp1float_decoder_select="dct"
1290 mp2float_decoder_select="dct"
1291 mp3adufloat_decoder_select="dct"
1292 mp3float_decoder_select="dct"
1293 mp3on4float_decoder_select="dct"
1294 mpeg1video_encoder_select="aandct"
1295 mpeg2video_encoder_select="aandct"
1296 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1297 mpeg4_encoder_select="h263_encoder"
1298 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1299 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1300 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1301 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1302 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1303 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1304 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1305 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1306 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1307 msmpeg4v1_decoder_select="h263_decoder"
1308 msmpeg4v1_encoder_select="h263_encoder"
1309 msmpeg4v2_decoder_select="h263_decoder"
1310 msmpeg4v2_encoder_select="h263_encoder"
1311 msmpeg4v3_decoder_select="h263_decoder"
1312 msmpeg4v3_encoder_select="h263_encoder"
1313 nellymoser_decoder_select="mdct sinewin"
1314 nellymoser_encoder_select="mdct sinewin"
1315 png_decoder_select="zlib"
1316 png_encoder_select="zlib"
1317 qcelp_decoder_select="lsp"
1318 qdm2_decoder_select="mdct rdft"
1319 ra_144_encoder_select="lpc"
1320 rv10_decoder_select="h263_decoder"
1321 rv10_encoder_select="h263_encoder"
1322 rv20_decoder_select="h263_decoder"
1323 rv20_encoder_select="h263_encoder"
1324 rv30_decoder_select="golomb h264pred"
1325 rv40_decoder_select="golomb h264pred"
1326 shorten_decoder_select="golomb"
1327 sipr_decoder_select="lsp"
1328 snow_decoder_select="dwt"
1329 snow_encoder_select="aandct dwt"
1330 svq1_encoder_select="aandct"
1331 svq3_decoder_select="golomb h264dsp h264pred"
1332 svq3_decoder_suggest="zlib"
1333 theora_decoder_select="vp3_decoder"
1334 tiff_decoder_suggest="zlib"
1335 tiff_encoder_suggest="zlib"
1336 truehd_decoder_select="mlp_decoder"
1337 tscc_decoder_select="zlib"
1338 twinvq_decoder_select="mdct lsp sinewin"
1339 vc1_decoder_select="h263_decoder"
1340 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1341 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1342 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1343 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1344 vorbis_decoder_select="mdct"
1345 vorbis_encoder_select="mdct"
1346 vp6_decoder_select="huffman"
1347 vp6a_decoder_select="vp6_decoder"
1348 vp6f_decoder_select="vp6_decoder"
1349 vp8_decoder_select="h264pred"
1350 wmapro_decoder_select="mdct sinewin"
1351 wmav1_decoder_select="mdct sinewin"
1352 wmav1_encoder_select="mdct sinewin"
1353 wmav2_decoder_select="mdct sinewin"
1354 wmav2_encoder_select="mdct sinewin"
1355 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1356 wmv1_decoder_select="h263_decoder"
1357 wmv1_encoder_select="h263_encoder"
1358 wmv2_decoder_select="h263_decoder"
1359 wmv2_encoder_select="h263_encoder"
1360 wmv3_decoder_select="vc1_decoder"
1361 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1362 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1363 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1364 zlib_decoder_select="zlib"
1365 zlib_encoder_select="zlib"
1366 zmbv_decoder_select="zlib"
1367 zmbv_encoder_select="zlib"
1368
1369 vaapi_deps="va_va_h"
1370 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1371
1372 # parsers
1373 h264_parser_select="golomb h264dsp h264pred"
1374
1375 # external libraries
1376 libdirac_decoder_deps="libdirac !libschroedinger"
1377 libdirac_encoder_deps="libdirac"
1378 libfaac_encoder_deps="libfaac"
1379 libgsm_decoder_deps="libgsm"
1380 libgsm_encoder_deps="libgsm"
1381 libgsm_ms_decoder_deps="libgsm"
1382 libgsm_ms_encoder_deps="libgsm"
1383 libmp3lame_encoder_deps="libmp3lame"
1384 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1385 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1386 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1387 libopenjpeg_decoder_deps="libopenjpeg"
1388 libschroedinger_decoder_deps="libschroedinger"
1389 libschroedinger_encoder_deps="libschroedinger"
1390 libspeex_decoder_deps="libspeex"
1391 libtheora_encoder_deps="libtheora"
1392 libvo_aacenc_encoder_deps="libvo_aacenc"
1393 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1394 libvorbis_encoder_deps="libvorbis"
1395 libvpx_decoder_deps="libvpx"
1396 libvpx_encoder_deps="libvpx"
1397 libx264_encoder_deps="libx264"
1398 libxavs_encoder_deps="libxavs"
1399 libxvid_encoder_deps="libxvid"
1400
1401 # demuxers / muxers
1402 ac3_demuxer_select="ac3_parser"
1403 asf_stream_muxer_select="asf_muxer"
1404 avisynth_demuxer_deps="avisynth"
1405 dirac_demuxer_select="dirac_parser"
1406 eac3_demuxer_select="ac3_parser"
1407 flac_demuxer_select="flac_parser"
1408 ipod_muxer_select="mov_muxer"
1409 libnut_demuxer_deps="libnut"
1410 libnut_muxer_deps="libnut"
1411 matroska_audio_muxer_select="matroska_muxer"
1412 matroska_demuxer_suggest="zlib bzlib"
1413 mov_demuxer_suggest="zlib"
1414 mp3_demuxer_select="mpegaudio_parser"
1415 mp4_muxer_select="mov_muxer"
1416 mpegtsraw_demuxer_select="mpegts_demuxer"
1417 mxf_d10_muxer_select="mxf_muxer"
1418 ogg_demuxer_select="golomb"
1419 psp_muxer_select="mov_muxer"
1420 rtp_demuxer_select="sdp_demuxer"
1421 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1422 rtsp_demuxer_select="http_protocol rtpdec"
1423 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1424 sap_demuxer_select="sdp_demuxer"
1425 sap_muxer_select="rtp_muxer rtp_protocol"
1426 sdp_demuxer_select="rtpdec"
1427 spdif_muxer_select="aac_parser"
1428 tg2_muxer_select="mov_muxer"
1429 tgp_muxer_select="mov_muxer"
1430 w64_demuxer_deps="wav_demuxer"
1431
1432 # indevs / outdevs
1433 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1434 alsa_outdev_deps="alsa_asoundlib_h"
1435 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1436 dv1394_indev_deps="dv1394 dv_demuxer"
1437 fbdev_indev_deps="linux_fb_h"
1438 jack_indev_deps="jack_jack_h"
1439 libdc1394_indev_deps="libdc1394"
1440 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1441 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1442 sndio_indev_deps="sndio_h"
1443 sndio_outdev_deps="sndio_h"
1444 v4l_indev_deps="linux_videodev_h"
1445 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1446 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1447 vfwcap_indev_extralibs="-lavicap32"
1448 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1449 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1450
1451 # protocols
1452 gopher_protocol_deps="network"
1453 http_protocol_deps="network"
1454 http_protocol_select="tcp_protocol"
1455 mmsh_protocol_select="http_protocol"
1456 mmst_protocol_deps="network"
1457 rtmp_protocol_select="tcp_protocol"
1458 rtp_protocol_select="udp_protocol"
1459 tcp_protocol_deps="network"
1460 udp_protocol_deps="network"
1461
1462 # filters
1463 blackframe_filter_deps="gpl"
1464 cropdetect_filter_deps="gpl"
1465 frei0r_filter_deps="frei0r dlopen strtok_r"
1466 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1467 hqdn3d_filter_deps="gpl"
1468 scale_filter_deps="swscale"
1469 ocv_filter_deps="libopencv"
1470 yadif_filter_deps="gpl"
1471
1472 # libraries
1473 avdevice_deps="avcodec avformat"
1474 avformat_deps="avcodec"
1475
1476 # programs
1477 ffmpeg_deps="avcodec avformat swscale"
1478 ffmpeg_select="buffer_filter"
1479 ffplay_deps="avcodec avformat swscale sdl"
1480 ffplay_select="rdft"
1481 ffprobe_deps="avcodec avformat"
1482 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1483 ffserver_extralibs='$ldl'
1484
1485 doc_deps="texi2html"
1486
1487 # tests
1488
1489 test_deps(){
1490 suf1=$1
1491 suf2=$2
1492 shift 2
1493 for v; do
1494 dep=${v%=*}
1495 tests=${v#*=}
1496 for name in ${tests}; do
1497 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1498 done
1499 done
1500 }
1501
1502 set_ne_test_deps(){
1503 eval ${1}_be_test_deps="bigendian"
1504 eval ${1}_le_test_deps="!bigendian"
1505 }
1506
1507 test_deps _encoder _decoder \
1508 adpcm_g726=g726 \
1509 adpcm_ima_qt \
1510 adpcm_ima_wav \
1511 adpcm_ms \
1512 adpcm_swf \
1513 adpcm_yamaha=adpcm_yam \
1514 alac \
1515 asv1 \
1516 asv2 \
1517 bmp \
1518 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1519 dvvideo="dv dv50" \
1520 ffv1 \
1521 flac \
1522 flashsv \
1523 flv \
1524 gif \
1525 h261 \
1526 h263="h263 h263p" \
1527 huffyuv \
1528 jpegls \
1529 mjpeg="jpg mjpeg ljpeg" \
1530 mp2 \
1531 mpeg1video="mpeg mpeg1b" \
1532 mpeg2video="mpeg2 mpeg2thread" \
1533 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1534 msmpeg4v3=msmpeg4 \
1535 msmpeg4v2 \
1536 pbm=pbmpipe \
1537 pcx \
1538 pgm="pgm pgmpipe" \
1539 png \
1540 ppm="ppm ppmpipe" \
1541 rawvideo="rgb yuv" \
1542 roq \
1543 rv10 \
1544 rv20 \
1545 sgi \
1546 snow="snow snowll" \
1547 svq1 \
1548 targa=tga \
1549 tiff \
1550 wmav1 \
1551 wmav2 \
1552 wmv1 \
1553 wmv2 \
1554
1555 test_deps _muxer _demuxer \
1556 aiff \
1557 pcm_alaw=alaw \
1558 asf \
1559 au \
1560 avi \
1561 dv=dv_fmt \
1562 ffm \
1563 flv=flv_fmt \
1564 gxf \
1565 matroska=mkv \
1566 mmf \
1567 mov \
1568 pcm_mulaw=mulaw \
1569 mxf \
1570 nut \
1571 ogg \
1572 rawvideo=pixfmt \
1573 rm \
1574 swf \
1575 mpegts=ts \
1576 voc \
1577 wav \
1578 yuv4mpegpipe=yuv4mpeg \
1579
1580 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1581 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1582
1583 set_ne_test_deps pixdesc
1584 set_ne_test_deps pixfmts_copy
1585 set_ne_test_deps pixfmts_crop
1586 set_ne_test_deps pixfmts_hflip
1587 set_ne_test_deps pixfmts_null
1588 set_ne_test_deps pixfmts_pad
1589 set_ne_test_deps pixfmts_scale
1590 set_ne_test_deps pixfmts_vflip
1591
1592 # default parameters
1593
1594 logfile="config.log"
1595
1596 # installation paths
1597 prefix_default="/usr/local"
1598 bindir_default='${prefix}/bin'
1599 datadir_default='${prefix}/share/ffmpeg'
1600 incdir_default='${prefix}/include'
1601 libdir_default='${prefix}/lib'
1602 mandir_default='${prefix}/share/man'
1603 shlibdir_default="$libdir_default"
1604
1605 # toolchain
1606 ar_default="ar"
1607 cc_default="gcc"
1608 cc_version=\"unknown\"
1609 host_cc_default="gcc"
1610 ln_s="ln -sf"
1611 nm_default="nm"
1612 objformat="elf"
1613 pkg_config_default=pkg-config
1614 ranlib="ranlib"
1615 yasmexe="yasm"
1616 nogas=":"
1617
1618 nm_opts='-g'
1619
1620 # machine
1621 arch_default=$(uname -m)
1622 cpu="generic"
1623
1624 # OS
1625 target_os_default=$(tolower $(uname -s))
1626 host_os=$target_os_default
1627
1628 # configurable options
1629 enable avcodec
1630 enable avdevice
1631 enable avfilter
1632 enable avformat
1633 enable avutil
1634 enable asm
1635 enable debug
1636 enable doc
1637 enable fastdiv
1638 enable ffmpeg
1639 enable ffplay
1640 enable ffprobe
1641 enable ffserver
1642 enable mpegaudio_hp
1643 enable network
1644 enable optimizations
1645 enable protocols
1646 enable static
1647 enable swscale
1648 enable swscale_alpha
1649
1650 # build settings
1651 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1652 FFSERVERLDFLAGS=-Wl,-E
1653 LIBPREF="lib"
1654 LIBSUF=".a"
1655 FULLNAME='$(NAME)$(BUILDSUF)'
1656 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1657 SLIBPREF="lib"
1658 SLIBSUF=".so"
1659 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1660 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1661 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1662 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1663
1664 CC_O='-o $@'
1665
1666 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1667 host_libs='-lm'
1668
1669 target_path='$(CURDIR)'
1670
1671 # since the object filename is not given with the -MM flag, the compiler
1672 # is only able to print the basename, and we must add the path ourselves
1673 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1674 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1675
1676 # find source path
1677 source_path="$(dirname "$0")"
1678 enable source_path_used
1679 if test -f configure; then
1680 source_path="$(pwd)"
1681 disable source_path_used
1682 else
1683 source_path="$(cd "$source_path"; pwd)"
1684 echo "$source_path" | grep -q '[[:blank:]]' &&
1685 die "Out of tree builds are impossible with whitespace in source path."
1686 test -e "$source_path/config.h" &&
1687 die "Out of tree builds are impossible with config.h in source dir."
1688 fi
1689
1690 for v in "$@"; do
1691 r=${v#*=}
1692 l=${v%"$r"}
1693 r=$(sh_quote "$r")
1694 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1695 done
1696
1697 find_things(){
1698 thing=$1
1699 pattern=$2
1700 file=$source_path/$3
1701 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1702 }
1703
1704 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1705 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1706 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1707 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1708 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1709 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1710 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1711 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1712 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1713 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1714 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1715
1716 find_tests(){
1717 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1718 }
1719
1720 ACODEC_TESTS=$(find_tests acodec)
1721 VCODEC_TESTS=$(find_tests vsynth1)
1722 LAVF_TESTS=$(find_tests lavf)
1723 LAVFI_TESTS=$(find_tests lavfi)
1724 SEEK_TESTS=$(find_tests seek seek_)
1725
1726 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1727
1728 for n in $COMPONENT_LIST; do
1729 v=$(toupper ${n%s})_LIST
1730 eval enable \$$v
1731 eval ${n}_if_any="\$$v"
1732 done
1733
1734 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1735
1736 die_unknown(){
1737 echo "Unknown option \"$1\"."
1738 echo "See $0 --help for available options."
1739 exit 1
1740 }
1741
1742 show_list() {
1743 suffix=_$1
1744 shift
1745 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1746 exit 0
1747 }
1748
1749 for opt do
1750 optval="${opt#*=}"
1751 case "$opt" in
1752 --extra-ldflags=*) add_ldflags $optval
1753 ;;
1754 --extra-libs=*) add_extralibs $optval
1755 ;;
1756 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1757 ;;
1758 --enable-debug=*) debuglevel="$optval"
1759 ;;
1760 --disable-everything)
1761 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1762 ;;
1763 --enable-*=*|--disable-*=*)
1764 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1765 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1766 eval list=\$$(toupper $thing)_LIST
1767 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1768 $action $(filter "$name" $list)
1769 ;;
1770 --enable-?*|--disable-?*)
1771 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1772 if is_in $option $COMPONENT_LIST; then
1773 test $action = disable && action=unset
1774 eval $action \$$(toupper ${option%s})_LIST
1775 elif is_in $option $CMDLINE_SELECT; then
1776 $action $option
1777 else
1778 die_unknown $opt
1779 fi
1780 ;;
1781 --list-*)
1782 NAME="${opt#--list-}"
1783 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1784 NAME=${NAME%s}
1785 eval show_list $NAME \$$(toupper $NAME)_LIST
1786 ;;
1787 --help|-h) show_help
1788 ;;
1789 *)
1790 optname="${opt%%=*}"
1791 optname="${optname#--}"
1792 optname=$(echo "$optname" | sed 's/-/_/g')
1793 if is_in $optname $CMDLINE_SET; then
1794 eval $optname='$optval'
1795 elif is_in $optname $CMDLINE_APPEND; then
1796 append $optname "$optval"
1797 else
1798 die_unknown $opt
1799 fi
1800 ;;
1801 esac
1802 done
1803
1804 disabled logging && logfile=/dev/null
1805
1806 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1807 set >> $logfile
1808
1809 test -n "$cross_prefix" && enable cross_compile
1810
1811 if enabled cross_compile; then
1812 test -n "$arch" && test -n "$target_os" ||
1813 die "Must specify target arch and OS when cross-compiling"
1814 fi
1815
1816 set_default arch target_os
1817
1818 ar_default="${cross_prefix}${ar_default}"
1819 cc_default="${cross_prefix}${cc_default}"
1820 nm_default="${cross_prefix}${nm_default}"
1821 pkg_config_default="${cross_prefix}${pkg_config_default}"
1822 ranlib="${cross_prefix}${ranlib}"
1823
1824 sysinclude_default="${sysroot}/usr/include"
1825
1826 set_default cc nm pkg_config sysinclude
1827 enabled cross_compile || host_cc_default=$cc
1828 set_default host_cc
1829
1830 exesuf() {
1831 case $1 in
1832 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1833 esac
1834 }
1835
1836 EXESUF=$(exesuf $target_os)
1837 HOSTEXESUF=$(exesuf $host_os)
1838
1839 # set temporary file name
1840 : ${TMPDIR:=$TEMPDIR}
1841 : ${TMPDIR:=$TMP}
1842 : ${TMPDIR:=/tmp}
1843
1844 if ! check_cmd mktemp -u XXXXXX; then
1845 # simple replacement for missing mktemp
1846 # NOT SAFE FOR GENERAL USE
1847 mktemp(){
1848 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1849 }
1850 fi
1851
1852 tmpfile(){
1853 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1854 (set -C; exec > $tmp) 2>/dev/null ||
1855 die "Unable to create temporary file in $TMPDIR."
1856 append TMPFILES $tmp
1857 eval $1=$tmp
1858 }
1859
1860 trap 'rm -f -- $TMPFILES' EXIT
1861
1862 tmpfile TMPC .c
1863 tmpfile TMPE $EXESUF
1864 tmpfile TMPH .h
1865 tmpfile TMPO .o
1866 tmpfile TMPS .S
1867 tmpfile TMPV .ver
1868 tmpfile TMPSH .sh
1869 tmpfile TMPASM .asm
1870
1871 unset -f mktemp
1872
1873 chmod +x $TMPE
1874
1875 # make sure we can execute files in $TMPDIR
1876 cat > $TMPSH 2>> $logfile <<EOF
1877 #! /bin/sh
1878 EOF
1879 chmod +x $TMPSH >> $logfile 2>&1
1880 if ! $TMPSH >> $logfile 2>&1; then
1881 cat <<EOF
1882 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1883 variable to another directory and make sure that it is not mounted noexec.
1884 EOF
1885 die "Sanity test failed."
1886 fi
1887
1888 filter_cflags=echo
1889 filter_cppflags=echo
1890 filter_asflags=echo
1891
1892 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1893 cc_type=llvm_gcc
1894 cc_version=__VERSION__
1895 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1896 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1897 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1898 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1899 speed_cflags='-O3'
1900 size_cflags='-Os'
1901 elif $cc -v 2>&1 | grep -qi ^gcc; then
1902 cc_type=gcc
1903 cc_version=__VERSION__
1904 gcc_version=$($cc --version | head -n1)
1905 gcc_basever=$($cc -dumpversion)
1906 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1907 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1908 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1909 if ! $cc -dumpversion | grep -q '^2\.'; then
1910 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1911 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1912 fi
1913 speed_cflags='-O3'
1914 size_cflags='-Os'
1915 elif $cc --version 2>/dev/null | grep -q Intel; then
1916 cc_type=icc
1917 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1918 cc_ident=$($cc --version | head -n1)
1919 icc_version=$($cc -dumpversion)
1920 CC_DEPFLAGS='-MMD'
1921 AS_DEPFLAGS='-MMD'
1922 speed_cflags='-O3'
1923 size_cflags='-Os'
1924 noopt_cflags='-O1'
1925 elif $cc -v 2>&1 | grep -q xlc; then
1926 cc_type=xlc
1927 cc_version="AV_STRINGIFY(__IBMC__)"
1928 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1929 speed_cflags='-O5'
1930 size_cflags='-O5 -qcompact'
1931 elif $cc -V 2>/dev/null | grep -q Compaq; then
1932 cc_type=ccc
1933 cc_version="AV_STRINGIFY(__DECC_VER)"
1934 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1935 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1936 debuglevel=3
1937 add_ldflags -Wl,-z,now # calls to libots crash without this
1938 speed_cflags='-fast'
1939 size_cflags='-O1'
1940 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1941 test -d "$sysroot" || die "No valid sysroot specified."
1942 cc_type=armcc
1943 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1944 cc_ident=$($cc --vsn | head -n1)
1945 armcc_conf="$PWD/armcc.conf"
1946 $cc --arm_linux_configure \
1947 --arm_linux_config_file="$armcc_conf" \
1948 --configure_sysroot="$sysroot" \
1949 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1950 die "Error creating armcc configuration file."
1951 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1952 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1953 as_default="${cross_prefix}gcc"
1954 CC_DEPFLAGS='-MMD'
1955 AS_DEPFLAGS='-MMD'
1956 speed_cflags='-O3'
1957 size_cflags='-Os'
1958 filter_asflags="filter_out -W${armcc_opt}*"
1959 elif $cc -version 2>/dev/null | grep -q TMS470; then
1960 cc_type=tms470
1961 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1962 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1963 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1964 CC_O='-fr=$(@D)'
1965 as_default="${cross_prefix}gcc"
1966 ld_default="${cross_prefix}gcc"
1967 TMPO=$(basename $TMPC .c).o
1968 append TMPFILES $TMPO
1969 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1970 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1971 AS_DEPFLAGS='-MMD'
1972 speed_cflags='-O3 -mf=5'
1973 size_cflags='-O3 -mf=2'
1974 filter_cflags=tms470_flags
1975 tms470_flags(){
1976 for flag; do
1977 case $flag in
1978 -march=*|-mcpu=*)
1979 case "${flag#*=}" in
1980 armv7-a|cortex-a*) echo -mv=7a8 ;;
1981 armv7-r|cortex-r*) echo -mv=7r4 ;;
1982 armv7-m|cortex-m*) echo -mv=7m3 ;;
1983 armv6*|arm11*) echo -mv=6 ;;
1984 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1985 echo -mv=5e ;;
1986 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1987 esac
1988 ;;
1989 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1990 -mfpu=vfp) echo --float_support=vfpv2 ;;
1991 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1992 -msoft-float) echo --float_support=vfplib ;;
1993 -O[0-3]|-mf=*) echo $flag ;;
1994 -g) echo -g -mn ;;
1995 -pds=*) echo $flag ;;
1996 esac
1997 done
1998 }
1999 elif $cc -v 2>&1 | grep -q clang; then
2000 cc_type=clang
2001 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2002 cc_version=__clang_version__ || cc_version=__VERSION__
2003 cc_ident=$($cc --version | head -n1)
2004 CC_DEPFLAGS='-MMD'
2005 AS_DEPFLAGS='-MMD'
2006 speed_cflags='-O3'
2007 size_cflags='-Os'
2008 elif $cc -V 2>&1 | grep -q Sun; then
2009 cc_type=suncc
2010 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2011 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2012 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2013 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2014 speed_cflags='-O5'
2015 size_cflags='-O5 -xspace'
2016 filter_cflags=suncc_flags
2017 suncc_flags(){
2018 for flag; do
2019 case $flag in
2020 -march=*|-mcpu=*)
2021 case "${flag#*=}" in
2022 native) echo -xtarget=native ;;
2023 v9|niagara) echo -xarch=sparc ;;
2024 ultrasparc) echo -xarch=sparcvis ;;
2025 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2026 i586|pentium) echo -xchip=pentium ;;
2027 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2028 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2029 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2030 pentium4*) echo -xtarget=pentium4 ;;
2031 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2032 *-sse3) echo -xarch=sse3 ;;
2033 core2) echo -xarch=ssse3 -xchip=core2 ;;
2034 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2035 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2036 k8|opteron|athlon64|athlon-fx)
2037 echo -xarch=sse2a ;;
2038 athlon*) echo -xarch=pentium_proa ;;
2039 esac
2040 ;;
2041 -std=c99) echo -xc99 ;;
2042 -fomit-frame-pointer) echo -xregs=frameptr ;;
2043 -fPIC) echo -KPIC -xcode=pic32 ;;
2044 -W*,*) echo $flag ;;
2045 -f*-*|-W*) ;;
2046 *) echo $flag ;;
2047 esac
2048 done
2049 }
2050 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2051 cc_type=pathscale
2052 cc_version=__PATHSCALE__
2053 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2054 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2055 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2056 speed_cflags='-O2'
2057 size_cflags='-Os'
2058 elif $cc -v 2>&1 | grep -q Open64; then
2059 cc_type=open64
2060 cc_version=__OPEN64__
2061 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2062 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2063 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2064 speed_cflags='-O2'
2065 size_cflags='-Os'
2066 fi
2067
2068 test -n "$cc_type" && enable $cc_type ||
2069 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2070
2071 : ${as_default:=$cc}
2072 : ${dep_cc_default:=$cc}
2073 : ${ld_default:=$cc}
2074 set_default ar as dep_cc ld
2075
2076 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2077 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2078
2079 add_cflags $extra_cflags
2080 add_asflags $extra_cflags
2081
2082 if test -n "$sysroot"; then
2083 case "$cc_type" in
2084 gcc|llvm_gcc|clang)
2085 add_cppflags --sysroot="$sysroot"
2086 add_ldflags --sysroot="$sysroot"
2087 ;;
2088 tms470)
2089 add_cppflags -I"$sysinclude"
2090 add_ldflags --sysroot="$sysroot"
2091 ;;
2092 esac
2093 fi
2094
2095 if test "$cpu" = host; then
2096 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2097
2098 case "$cc_type" in
2099 gcc|llvm_gcc)
2100 check_native(){
2101 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2102 sed -n "/$1=/{
2103 s/.*$1=\\([^ ]*\\).*/\\1/
2104 p
2105 q
2106 }" $TMPE
2107 }
2108 cpu=$(check_native -march || check_native -mcpu)
2109 ;;
2110 esac
2111
2112 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2113 fi
2114
2115 # Deal with common $arch aliases
2116 case "$arch" in
2117 arm*)
2118 arch="arm"
2119 ;;
2120 mips|mipsel|IP*)
2121 arch="mips"
2122 ;;
2123 mips64*)
2124 arch="mips"
2125 subarch="mips64"
2126 ;;
2127 parisc|hppa)
2128 arch="parisc"
2129 ;;
2130 parisc64|hppa64)
2131 arch="parisc"
2132 subarch="parisc64"
2133 ;;
2134 "Power Macintosh"|ppc|powerpc)
2135 arch="ppc"
2136 ;;
2137 ppc64|powerpc64)
2138 arch="ppc"
2139 subarch="ppc64"
2140 ;;
2141 s390|s390x)
2142 arch="s390"
2143 ;;
2144 sh4|sh)
2145 arch="sh4"
2146 ;;
2147 sun4u|sparc64)
2148 arch="sparc"
2149 subarch="sparc64"
2150 ;;
2151 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2152 arch="x86"
2153 ;;
2154 esac
2155
2156 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2157 enable $arch
2158
2159 # Add processor-specific flags
2160 if test "$cpu" = generic; then
2161 : do nothing
2162 elif enabled ppc; then
2163
2164 case $(tolower $cpu) in
2165 601|ppc601|powerpc601)
2166 cpuflags="-mcpu=601"
2167 disable altivec
2168 ;;
2169 603*|ppc603*|powerpc603*)
2170 cpuflags="-mcpu=603"
2171 disable altivec
2172 ;;
2173 604*|ppc604*|powerpc604*)
2174 cpuflags="-mcpu=604"
2175 disable altivec
2176 ;;
2177 g3|75*|ppc75*|powerpc75*)
2178 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2179 disable altivec
2180 ;;
2181 g4|745*|ppc745*|powerpc745*)
2182 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2183 ;;
2184 74*|ppc74*|powerpc74*)
2185 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2186 ;;
2187 g5|970|ppc970|powerpc970|power4*)
2188 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2189 ;;
2190 cell)
2191 cpuflags="-mcpu=cell"
2192 enable ldbrx
2193 ;;
2194 e500v2)
2195 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2196 disable altivec
2197 ;;
2198 e500)
2199 cpuflags="-mcpu=8540 -mhard-float"
2200 disable altivec
2201 ;;
2202 esac
2203
2204 elif enabled x86; then
2205
2206 case $cpu in
2207 i[345]86|pentium)
2208 cpuflags="-march=$cpu"
2209 disable mmx
2210 ;;
2211 # targets that do NOT support conditional mov (cmov)
2212 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2213 cpuflags="-march=$cpu"
2214 disable cmov
2215 ;;
2216 # targets that do support conditional mov (cmov)
2217 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2218 cpuflags="-march=$cpu"
2219 enable cmov
2220 enable fast_cmov
2221 ;;
2222 # targets that do support conditional mov but on which it's slow
2223 pentium4|pentium4m|prescott|nocona)
2224 cpuflags="-march=$cpu"
2225 enable cmov
2226 disable fast_cmov
2227 ;;
2228 esac
2229
2230 elif enabled sparc; then
2231
2232 case $cpu in
2233 niagara)
2234 cpuflags="-mcpu=$cpu"
2235 disable vis
2236 ;;
2237 sparc64)
2238 cpuflags="-mcpu=v9"
2239 ;;
2240 esac
2241
2242 elif enabled arm; then
2243
2244 case $cpu in
2245 armv*)
2246 cpuflags="-march=$cpu"
2247 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2248 ;;
2249 *)
2250 cpuflags="-mcpu=$cpu"
2251 case $cpu in
2252 cortex-a*) subarch=armv7a ;;
2253 cortex-r*) subarch=armv7r ;;
2254 cortex-m*) subarch=armv7m ;;
2255 arm11*) subarch=armv6 ;;
2256 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2257 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2258 esac
2259 ;;
2260 esac
2261
2262 elif enabled alpha; then
2263
2264 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2265
2266 elif enabled bfin; then
2267
2268 cpuflags="-mcpu=$cpu"
2269
2270 elif enabled mips; then
2271
2272 cpuflags="-march=$cpu"
2273
2274 elif enabled avr32; then
2275
2276 case $cpu in
2277 ap7[02]0[0-2])
2278 subarch="avr32_ap"
2279 cpuflags="-mpart=$cpu"
2280 ;;
2281 ap)
2282 subarch="avr32_ap"
2283 cpuflags="-march=$cpu"
2284 ;;
2285 uc3[ab]*)
2286 subarch="avr32_uc"
2287 cpuflags="-mcpu=$cpu"
2288 ;;
2289 uc)
2290 subarch="avr32_uc"
2291 cpuflags="-march=$cpu"
2292 ;;
2293 esac
2294
2295 fi
2296
2297 add_cflags $cpuflags
2298 add_asflags $cpuflags
2299
2300 # compiler sanity check
2301 check_exec <<EOF
2302 int main(void){ return 0; }
2303 EOF
2304 if test "$?" != 0; then
2305 echo "$cc is unable to create an executable file."
2306 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2307 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2308 echo "Only do this if you know what cross compiling means."
2309 fi
2310 die "C compiler test failed."
2311 fi
2312
2313 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2314 check_cflags -std=c99
2315 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2316 #include <stdlib.h>
2317 EOF
2318 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2319 #include <stdlib.h>
2320 EOF
2321
2322 check_host_cflags -std=c99
2323
2324 case "$arch" in
2325 alpha|ia64|mips|parisc|sparc)
2326 spic=$shared
2327 ;;
2328 x86)
2329 subarch="x86_32"
2330 check_cc <<EOF && subarch="x86_64"
2331 int test[(int)sizeof(char*) - 7];
2332 EOF
2333 if test "$subarch" = "x86_64"; then
2334 spic=$shared
2335 fi
2336 ;;
2337 esac
2338
2339 enable $subarch
2340 enabled spic && enable pic
2341
2342 # OS specific
2343 case $target_os in
2344 haiku)
2345 prefix_default="/boot/common"
2346 network_extralibs="-lnetwork"
2347 host_libs=
2348 ;;
2349 sunos)
2350 FFSERVERLDFLAGS=""
2351 SHFLAGS='-shared -Wl,-h,$$(@F)'
2352 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2353 network_extralibs="-lsocket -lnsl"
2354 add_cppflags -D__EXTENSIONS__
2355 nm_opts='-P -g'
2356 ;;
2357 netbsd)
2358 disable symver
2359 oss_indev_extralibs="-lossaudio"
2360 oss_outdev_extralibs="-lossaudio"
2361 add_cppflags -D_XOPEN_SOURCE=600
2362 ;;
2363 openbsd)
2364 enable malloc_aligned
2365 # On OpenBSD 4.5. the compiler does not use PIC unless
2366 # explicitly using -fPIC. Libav builds fine without PIC,
2367 # however the generated executable will not do anything
2368 # (simply quits with exit-code 1, no crash, no output).
2369 # Thus explicitly enable PIC here.
2370 enable pic
2371 disable symver
2372 SHFLAGS='-shared'
2373 oss_indev_extralibs="-lossaudio"
2374 oss_outdev_extralibs="-lossaudio"
2375 ;;
2376 dragonfly)
2377 enable malloc_aligned
2378 disable symver
2379 ;;
2380 freebsd)
2381 enable malloc_aligned
2382 ;;
2383 bsd/os)
2384 add_extralibs -lpoll -lgnugetopt
2385 ;;
2386 darwin)
2387 enable malloc_aligned
2388 gas="gas-preprocessor.pl $cc"
2389 enabled ppc && add_asflags -force_cpusubtype_ALL
2390 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2391 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2392 add_ldflags -Wl,-dynamic,-search_paths_first
2393 SLIBSUF=".dylib"
2394 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2395 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2396 FFSERVERLDFLAGS=-Wl,-bind_at_load
2397 objformat="macho"
2398 enabled x86_64 && objformat="macho64"
2399 enabled_any pic shared ||
2400 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2401 ;;
2402 mingw32*)
2403 if test $target_os = "mingw32ce"; then
2404 disable network
2405 else
2406 target_os=mingw32
2407 fi
2408 LIBTARGET=i386
2409 if enabled x86_64; then
2410 enable malloc_aligned
2411 LIBTARGET="i386:x86-64"
2412 elif enabled arm; then
2413 LIBTARGET=arm-wince
2414 fi
2415 shlibdir_default="$bindir_default"
2416 SLIBPREF=""
2417 SLIBSUF=".dll"
2418 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2419 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2420 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2421 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2422 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2423 install -d "$(LIBDIR)"; \
2424 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2425 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2426 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'
2427 objformat="win32"
2428 dlltool="${cross_prefix}dlltool"
2429 enable dos_paths
2430 check_cflags -fno-common
2431 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2432 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2433 die "ERROR: MinGW runtime version must be >= 3.15."
2434 add_cppflags -U__STRICT_ANSI__
2435 ;;
2436 cygwin*)
2437 target_os=cygwin
2438 shlibdir_default="$bindir_default"
2439 SLIBPREF="cyg"
2440 SLIBSUF=".dll"
2441 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2442 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2443 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2444 objformat="win32"
2445 enable dos_paths
2446 check_cflags -fno-common
2447 ;;
2448 *-dos|freedos|opendos)
2449 network_extralibs="-lsocket"
2450 objformat="coff"
2451 enable dos_paths
2452 ;;
2453 linux)
2454 enable dv1394
2455 ;;
2456 irix*)
2457 target_os=irix
2458 ranlib="echo ignoring ranlib"
2459 ;;
2460 os/2*)
2461 ln_s="cp -f"
2462 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2463 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2464 FFSERVERLDFLAGS=""
2465 LIBSUF="_s.a"
2466 SLIBPREF=""
2467 SLIBSUF=".dll"
2468 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2469 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2470 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2471 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2472 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2473 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2474 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2475 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2476 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2477 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2478 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2479 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2480 enable dos_paths
2481 ;;
2482 gnu/kfreebsd)
2483 ;;
2484 gnu)
2485 ;;
2486 qnx)
2487 add_cppflags -D_QNX_SOURCE
2488 network_extralibs="-lsocket"
2489 ;;
2490 symbian)
2491 SLIBSUF=".dll"
2492 enable dos_paths
2493 add_cflags --include=$sysinclude/gcce/gcce.h
2494 ;;
2495 none)
2496 ;;
2497 *)
2498 die "Unknown OS '$target_os'."
2499 ;;
2500 esac
2501
2502 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2503
2504 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2505
2506 set_default $PATHS_LIST
2507
2508 # we need to build at least one lib type
2509 if ! enabled_any static shared; then
2510 cat <<EOF
2511 At least one library type must be built.
2512 Specify --enable-static to build the static libraries or --enable-shared to
2513 build the shared libraries as well. To only build the shared libraries specify
2514 --disable-static in addition to --enable-shared.
2515 EOF
2516 exit 1;
2517 fi
2518
2519 disabled static && LIBNAME=""
2520
2521 die_license_disabled() {
2522 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2523 }
2524
2525 die_license_disabled gpl libx264
2526 die_license_disabled gpl libxavs
2527 die_license_disabled gpl libxvid
2528 die_license_disabled gpl postproc
2529 die_license_disabled gpl x11grab
2530
2531 die_license_disabled nonfree libfaac
2532
2533 die_license_disabled version3 libopencore_amrnb
2534 die_license_disabled version3 libopencore_amrwb
2535 die_license_disabled version3 libvo_aacenc
2536 die_license_disabled version3 libvo_amrwbenc
2537
2538 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2539
2540 disabled optimizations || check_cflags -fomit-frame-pointer
2541
2542 enable_pic() {
2543 enable pic
2544 add_cppflags -DPIC
2545 add_cflags -fPIC
2546 add_asflags -fPIC
2547 }
2548
2549 enabled pic && enable_pic
2550
2551 check_cc <<EOF || die "Symbol mangling check failed."
2552 int ff_extern;
2553 EOF
2554 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2555 extern_prefix=${sym%%ff_extern*}
2556
2557 check_cc <<EOF && enable inline_asm
2558 void foo(void) { __asm__ volatile ("" ::); }
2559 EOF
2560
2561 _restrict=
2562 for restrict_keyword in restrict __restrict__ __restrict; do
2563 check_cc <<EOF && _restrict=$restrict_keyword && break
2564 void foo(char * $restrict_keyword p);
2565 EOF
2566 done
2567
2568 check_cc <<EOF && enable attribute_packed
2569 struct { int x; } __attribute__((packed)) x;
2570 EOF
2571
2572 check_cc <<EOF && enable attribute_may_alias
2573 union { int x; } __attribute__((may_alias)) x;
2574 EOF
2575
2576 check_cc <<EOF || die "endian test failed"
2577 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2578 EOF
2579 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2580
2581 if enabled alpha; then
2582
2583 check_cflags -mieee
2584
2585 elif enabled arm; then
2586
2587 check_cflags -marm
2588 nogas=die
2589
2590 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2591 enable vfp_args
2592 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2593 case "${cross_prefix:-$cc}" in
2594 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2595 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2596 __asm__ (".eabi_attribute 28, 1");
2597 int main(void) { return 0; }
2598 EOF
2599 esac
2600 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2601 fi
2602
2603 # We have to check if pld is a nop and disable it.
2604 check_asm pld '"pld [r0]"'
2605
2606 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2607 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2608 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2609 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2610 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2611 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2612
2613 enabled_all armv6t2 shared !pic && enable_pic
2614
2615 elif enabled mips; then
2616
2617 check_asm loongson '"dmult.g $1, $2, $3"'
2618 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2619
2620 elif enabled ppc; then
2621
2622 enable local_aligned_8 local_aligned_16
2623
2624 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2625 check_asm ibm_asm '"add 0, 0, 0"'
2626 check_asm ppc4xx '"maclhw r10, r11, r12"'
2627 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2628
2629 # AltiVec flags: The FSF version of GCC differs from the Apple version
2630 if enabled altivec; then
2631 nogas=warn
2632 check_cflags -maltivec -mabi=altivec &&
2633 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2634 check_cflags -faltivec
2635
2636 # check if our compiler supports Motorola AltiVec C API
2637 check_cc <<EOF || disable altivec
2638 $inc_altivec_h
2639 int main(void) {
2640 vector signed int v1, v2, v3;
2641 v1 = vec_add(v2,v3);
2642 return 0;
2643 }
2644 EOF
2645
2646 # check if our compiler supports braces for vector declarations
2647 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2648 $inc_altivec_h
2649 int main (void) { (vector int) {1}; return 0; }
2650 EOF
2651 fi
2652
2653 elif enabled sparc; then
2654
2655 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2656 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2657
2658 elif enabled x86; then
2659
2660 enable local_aligned_8 local_aligned_16
2661
2662 # check whether EBP is available on x86
2663 # As 'i' is stored on the stack, this program will crash
2664 # if the base pointer is used to access it because the
2665 # base pointer is cleared in the inline assembly code.
2666 check_exec_crash <<EOF && enable ebp_available
2667 volatile int i=0;
2668 __asm__ volatile (
2669 "xorl %%ebp, %%ebp"
2670 ::: "%ebp");
2671 return i;
2672 EOF
2673
2674 # check whether EBX is available on x86
2675 check_asm ebx_available '""::"b"(0)' &&
2676 check_asm ebx_available '"":::"%ebx"'
2677
2678 # check whether xmm clobbers are supported
2679 check_asm xmm_clobbers '"":::"%xmm0"'
2680
2681 # check whether more than 10 operands are supported
2682 check_cc <<EOF && enable ten_operands
2683 int main(void) {
2684 int x=0;
2685 __asm__ volatile(
2686 ""
2687 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2688 );
2689 return 0;
2690 }
2691 EOF
2692
2693 # check whether binutils is new enough to compile SSSE3/MMX2
2694 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2695 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2696
2697 check_asm bswap '"bswap %%eax" ::: "%eax"'
2698
2699 if ! disabled_any asm mmx yasm; then
2700 if check_cmd $yasmexe --version; then
2701 enabled x86_64 && yasm_extra="-m amd64"
2702 yasm_debug="-g dwarf2"
2703 elif check_cmd nasm -v; then
2704 yasmexe=nasm
2705 yasm_debug="-g -F dwarf"
2706 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2707 fi
2708
2709 YASMFLAGS="-f $objformat $yasm_extra"
2710 enabled pic && append YASMFLAGS "-DPIC"
2711 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2712 case "$objformat" in
2713 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2714 esac
2715
2716 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2717 die "yasm not found, use --disable-yasm for a crippled build"
2718 check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2719 fi
2720
2721 case "$cpu" in
2722 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2723 disable fast_clz
2724 ;;
2725 esac
2726
2727 fi
2728
2729 if enabled asm; then
2730 as=${gas:=$as}
2731 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2732 $nogas "GNU assembler not found, install gas-preprocessor"
2733 fi
2734
2735 check_ldflags -Wl,--as-needed
2736
2737 if check_func dlopen; then
2738 ldl=
2739 elif check_func dlopen -ldl; then
2740 ldl=-ldl
2741 fi
2742
2743 if enabled network; then
2744 check_type "sys/types.h sys/socket.h" socklen_t
2745 check_type netdb.h "struct addrinfo"
2746 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2747 check_type netinet/in.h "struct sockaddr_in6"
2748 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2749 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2750 # Prefer arpa/inet.h over winsock2
2751 if check_header arpa/inet.h ; then
2752 check_func closesocket
2753 elif check_header winsock2.h ; then
2754 check_func_headers winsock2.h closesocket -lws2 && \
2755 network_extralibs="-lws2" || \
2756 { check_func_headers winsock2.h closesocket -lws2_32 && \
2757 network_extralibs="-lws2_32"; }
2758 check_type ws2tcpip.h socklen_t
2759 check_type ws2tcpip.h "struct addrinfo"
2760 check_type ws2tcpip.h "struct ipv6_mreq"
2761 check_type ws2tcpip.h "struct sockaddr_in6"
2762 check_type ws2tcpip.h "struct sockaddr_storage"
2763 check_struct winsock2.h "struct sockaddr" sa_len
2764 else
2765 disable network
2766 fi
2767 fi
2768
2769 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2770 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2771
2772 check_func fcntl
2773 check_func fork
2774 check_func getaddrinfo $network_extralibs
2775 check_func gethrtime
2776 check_func getrusage
2777 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2778 check_func inet_aton $network_extralibs
2779 check_func isatty
2780 check_func ${malloc_prefix}memalign && enable memalign
2781 check_func mkstemp
2782 check_func mmap
2783 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2784 check_func setrlimit
2785 check_func strerror_r
2786 check_func strtok_r
2787 check_func_headers conio.h kbhit
2788 check_func_headers io.h setmode
2789 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2790 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2791 check_func_headers windows.h GetProcessTimes
2792 check_func_headers windows.h MapViewOfFile
2793 check_func_headers windows.h VirtualAlloc
2794
2795 check_header dlfcn.h
2796 check_header dxva2api.h
2797 check_header malloc.h
2798 check_header poll.h
2799 check_header sys/mman.h
2800 check_header sys/resource.h
2801 check_header sys/select.h
2802 check_header vdpau/vdpau.h
2803 check_header vdpau/vdpau_x11.h
2804 check_header X11/extensions/XvMClib.h
2805
2806 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2807
2808 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2809 enabled_any $need_memalign ; then
2810 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2811 fi
2812
2813 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2814 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2815
2816 # check for some common methods of building with pthread support
2817 # do this before the optional library checks as some of them require pthreads
2818 if ! disabled pthreads && ! enabled w32threads; then
2819 enable pthreads
2820 if check_func pthread_create; then
2821 :
2822 elif check_func pthread_create -pthread; then
2823 add_cflags -pthread
2824 add_extralibs -pthread
2825 elif check_func pthread_create -pthreads; then
2826 add_cflags -pthreads
2827 add_extralibs -pthreads
2828 elif check_func pthread_create -lpthreadGC2; then
2829 add_extralibs -lpthreadGC2
2830 elif ! check_lib pthread.h pthread_create -lpthread; then
2831 disable pthreads
2832 fi
2833 fi
2834
2835 for thread in $THREADS_LIST; do
2836 if enabled $thread; then
2837 test -n "$thread_type" &&
2838 die "ERROR: Only one thread type must be selected." ||
2839 thread_type="$thread"
2840 fi
2841 done
2842
2843 check_lib math.h sin -lm && LIBM="-lm"
2844 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2845
2846 check_mathfunc exp2
2847 check_mathfunc exp2f
2848 check_mathfunc llrint
2849 check_mathfunc llrintf
2850 check_mathfunc log2
2851 check_mathfunc log2f
2852 check_mathfunc lrint
2853 check_mathfunc lrintf
2854 check_mathfunc round
2855 check_mathfunc roundf
2856 check_mathfunc trunc
2857 check_mathfunc truncf
2858
2859 # these are off by default, so fail if requested and not available
2860 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2861 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2862 enabled libdirac && require_pkg_config dirac \
2863 "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h" \
2864 "dirac_decoder_init dirac_encoder_init"
2865 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2866 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2867 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2868 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2869 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2870 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2871 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2872 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2873 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2874 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2875 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2876 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2877 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2878 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2879 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2880 enabled libvpx && {
2881 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2882 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2883 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2884 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2885 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2886 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2887 die "ERROR: libx264 version must be >= 0.99."; }
2888 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2889 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2890 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2891
2892 # libdc1394 check
2893 if enabled libdc1394; then
2894 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2895 enable libdc1394_2; } ||
2896 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2897 enable libdc1394_1; } ||
2898 die "ERROR: No version of libdc1394 found "
2899 fi
2900
2901 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2902 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2903 enable sdl &&
2904 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2905 fi
2906
2907 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2908
2909 check_header linux/fb.h
2910 check_header linux/videodev.h
2911 check_header linux/videodev2.h
2912 check_header sys/videoio.h
2913
2914 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2915 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2916 # w32api 3.12 had it defined wrong
2917 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2918
2919 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2920 { check_header dev/bktr/ioctl_meteor.h &&
2921 check_header dev/bktr/ioctl_bt848.h; } ||
2922 { check_header machine/ioctl_meteor.h &&
2923 check_header machine/ioctl_bt848.h; } ||
2924 { check_header dev/video/meteor/ioctl_meteor.h &&
2925 check_header dev/video/bktr/ioctl_bt848.h; } ||
2926 check_header dev/ic/bt8xx.h
2927
2928 check_header sndio.h
2929 check_header sys/soundcard.h
2930 check_header soundcard.h
2931
2932 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2933
2934 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2935
2936 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2937
2938 enabled x11grab &&
2939 check_header X11/Xlib.h &&
2940 check_header X11/extensions/XShm.h &&
2941 check_header X11/extensions/Xfixes.h &&
2942 check_func XOpenDisplay -lX11 &&
2943 check_func XShmCreateImage -lX11 -lXext &&
2944 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2945
2946 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2947 check_cpp_condition \
2948 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2949 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2950 disable vdpau; }
2951 fi
2952
2953 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2954
2955 # add some useful compiler flags if supported
2956 check_cflags -Wdeclaration-after-statement
2957 check_cflags -Wall
2958 check_cflags -Wno-parentheses
2959 check_cflags -Wno-switch
2960 check_cflags -Wdisabled-optimization
2961 check_cflags -Wpointer-arith
2962 check_cflags -Wredundant-decls
2963 check_cflags -Wno-pointer-sign
2964 check_cflags -Wcast-qual
2965 check_cflags -Wwrite-strings
2966 check_cflags -Wtype-limits
2967 check_cflags -Wundef
2968 check_cflags -Wmissing-prototypes
2969 enabled extra_warnings && check_cflags -Winline
2970
2971 # add some linker flags
2972 check_ldflags -Wl,--warn-common
2973 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2974 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2975
2976 echo "X{};" > $TMPV
2977 if test_ldflags -Wl,--version-script,$TMPV; then
2978 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2979 check_cc <<EOF && enable symver_asm_label
2980 void ff_foo(void) __asm__ ("av_foo@VERSION");
2981 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2982 EOF
2983 check_cc <<EOF && enable symver_gnu_asm
2984 __asm__(".symver ff_foo,av_foo@VERSION");
2985 void ff_foo(void) {}
2986 EOF
2987 fi
2988
2989 if enabled small; then
2990 add_cflags $size_cflags
2991 optimizations="small"
2992 elif enabled optimizations; then
2993 add_cflags $speed_cflags
2994 else
2995 add_cflags $noopt_cflags
2996 fi
2997 check_cflags -fno-math-errno
2998 check_cflags -fno-signed-zeros
2999
3000 if enabled icc; then
3001 # Just warnings, no remarks
3002 check_cflags -w1
3003 # -wd: Disable following warnings
3004 # 144, 167, 556: -Wno-pointer-sign
3005 # 1292: attribute "foo" ignored
3006 # 10006: ignoring unknown option -fno-signed-zeros
3007 # 10148: ignoring unknown option -Wno-parentheses
3008 # 10156: ignoring option '-W'; no argument required
3009 check_cflags -wd144,167,556,1292,10006,10148,10156
3010 # 11030: Warning unknown option --as-needed
3011 # 10156: ignoring option '-export'; no argument required
3012 check_ldflags -wd10156,11030
3013 # Allow to compile with optimizations
3014 check_ldflags -march=$cpu
3015 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3016 enable ebp_available
3017 if enabled x86_32; then
3018 test ${icc_version%%.*} -ge 11 && \
3019 check_cflags -falign-stack=maintain-16-byte || \
3020 disable aligned_stack
3021 fi
3022 elif enabled ccc; then
3023 # disable some annoying warnings
3024 add_cflags -msg_disable cvtu32to64
3025 add_cflags -msg_disable embedcomment
3026 add_cflags -msg_disable needconstext
3027 add_cflags -msg_disable nomainieee
3028 add_cflags -msg_disable ptrmismatch1
3029 add_cflags -msg_disable unreachcode
3030 elif enabled gcc; then
3031 check_cflags -fno-tree-vectorize
3032 check_cflags -Werror=implicit-function-declaration
3033 check_cflags -Werror=missing-prototypes
3034 elif enabled llvm_gcc; then
3035 check_cflags -mllvm -stack-alignment=16
3036 elif enabled clang; then
3037 check_cflags -mllvm -stack-alignment=16
3038 check_cflags -Qunused-arguments
3039 elif enabled armcc; then
3040 # 2523: use of inline assembler is deprecated
3041 add_cflags -W${armcc_opt},--diag_suppress=2523
3042 add_cflags -W${armcc_opt},--diag_suppress=1207
3043 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3044 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3045 elif enabled tms470; then
3046 add_cflags -pds=824 -pds=837
3047 elif enabled pathscale; then
3048 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3049 fi
3050
3051 enabled_any $THREADS_LIST && enable threads
3052
3053 check_deps $CONFIG_LIST \
3054 $CONFIG_EXTRA \
3055 $HAVE_LIST \
3056 $DECODER_LIST \
3057 $ENCODER_LIST \
3058 $HWACCEL_LIST \
3059 $PARSER_LIST \
3060 $BSF_LIST \
3061 $DEMUXER_LIST \
3062 $MUXER_LIST \
3063 $FILTER_LIST \
3064 $INDEV_LIST \
3065 $OUTDEV_LIST \
3066 $PROTOCOL_LIST \
3067 $ACODEC_TESTS \
3068 $VCODEC_TESTS \
3069 $LAVF_TESTS \
3070 $LAVFI_TESTS \
3071 $SEEK_TESTS \
3072
3073 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3074
3075 echo "install prefix $prefix"
3076 echo "source path $source_path"
3077 echo "C compiler $cc"
3078 echo "ARCH $arch ($cpu)"
3079 if test "$build_suffix" != ""; then
3080 echo "build suffix $build_suffix"
3081 fi
3082 if test "$extra_version" != ""; then
3083 echo "version string suffix $extra_version"
3084 fi
3085 echo "big-endian ${bigendian-no}"
3086 echo "runtime cpu detection ${runtime_cpudetect-no}"
3087 if enabled x86; then
3088 echo "yasm ${yasm-no}"
3089 echo "MMX enabled ${mmx-no}"
3090 echo "MMX2 enabled ${mmx2-no}"
3091 echo "3DNow! enabled ${amd3dnow-no}"
3092 echo "3DNow! extended enabled ${amd3dnowext-no}"
3093 echo "SSE enabled ${sse-no}"
3094 echo "SSSE3 enabled ${ssse3-no}"
3095 echo "CMOV enabled ${cmov-no}"
3096 echo "CMOV is fast ${fast_cmov-no}"
3097 echo "EBX available ${ebx_available-no}"
3098 echo "EBP available ${ebp_available-no}"
3099 echo "10 operands supported ${ten_operands-no}"
3100 fi
3101 if enabled arm; then
3102 echo "ARMv5TE enabled ${armv5te-no}"
3103 echo "ARMv6 enabled ${armv6-no}"
3104 echo "ARMv6T2 enabled ${armv6t2-no}"
3105 echo "ARM VFP enabled ${armvfp-no}"
3106 echo "IWMMXT enabled ${iwmmxt-no}"
3107 echo "NEON enabled ${neon-no}"
3108 fi
3109 if enabled mips; then
3110 echo "MMI enabled ${mmi-no}"
3111 fi
3112 if enabled ppc; then
3113 echo "AltiVec enabled ${altivec-no}"
3114 echo "PPC 4xx optimizations ${ppc4xx-no}"
3115 echo "dcbzl available ${dcbzl-no}"
3116 fi
3117 if enabled sparc; then
3118 echo "VIS enabled ${vis-no}"
3119 fi
3120 echo "debug symbols ${debug-no}"
3121 echo "optimizations ${optimizations-no}"
3122 echo "static ${static-no}"
3123 echo "shared ${shared-no}"
3124 echo "postprocessing support ${postproc-no}"
3125 echo "new filter support ${avfilter-no}"
3126 echo "network support ${network-no}"
3127 echo "threading support ${thread_type-no}"
3128 echo "SDL support ${sdl-no}"
3129 echo "Sun medialib support ${mlib-no}"
3130 echo "AVISynth enabled ${avisynth-no}"
3131 echo "frei0r enabled ${frei0r-no}"
3132 echo "libdc1394 support ${libdc1394-no}"
3133 echo "libdirac enabled ${libdirac-no}"
3134 echo "libfaac enabled ${libfaac-no}"
3135 echo "libgsm enabled ${libgsm-no}"
3136 echo "libmp3lame enabled ${libmp3lame-no}"
3137 echo "libnut enabled ${libnut-no}"
3138 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3139 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3140 echo "libopencv support ${libopencv-no}"
3141 echo "libopenjpeg enabled ${libopenjpeg-no}"
3142 echo "librtmp enabled ${librtmp-no}"
3143 echo "libschroedinger enabled ${libschroedinger-no}"
3144 echo "libspeex enabled ${libspeex-no}"
3145 echo "libtheora enabled ${libtheora-no}"
3146 echo "libva enabled ${vaapi-no}"
3147 echo "libvo-aacenc support ${libvo_aacenc-no}"
3148 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3149 echo "libvorbis enabled ${libvorbis-no}"
3150 echo "libvpx enabled ${libvpx-no}"
3151 echo "libx264 enabled ${libx264-no}"
3152 echo "libxavs enabled ${libxavs-no}"
3153 echo "libxvid enabled ${libxvid-no}"
3154 echo "zlib enabled ${zlib-no}"
3155 echo "bzlib enabled ${bzlib-no}"
3156 echo
3157
3158 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3159 echo "Enabled ${type}s:"
3160 eval list=\$$(toupper $type)_LIST
3161 print_enabled '_*' $list | sort | pr -r -3 -t
3162 echo
3163 done
3164
3165 license="LGPL version 2.1 or later"
3166 if enabled nonfree; then
3167 license="nonfree and unredistributable"
3168 elif enabled gplv3; then
3169 license="GPL version 3 or later"
3170 elif enabled lgplv3; then
3171 license="LGPL version 3 or later"
3172 elif enabled gpl; then
3173 license="GPL version 2 or later"
3174 fi
3175
3176 echo "License: $license"
3177
3178 echo "Creating config.mak and config.h..."
3179
3180 # build tree in object directory if source path is different from current one
3181 if enabled source_path_used; then
3182 DIRS="
3183 doc
3184 libavcodec
3185 libavcodec/$arch
3186 libavdevice
3187 libavfilter
3188 libavfilter/$arch
3189 libavformat
3190 libavutil
3191 libavutil/$arch
3192 libpostproc
3193 libswscale
3194 libswscale/$arch
3195 tests
3196 tools
3197 "
3198 FILES="
3199 Makefile
3200 common.mak
3201 subdir.mak
3202 doc/texi2pod.pl
3203 libavcodec/Makefile
3204 libavcodec/${arch}/Makefile
3205 libavdevice/Makefile
3206 libavfilter/Makefile
3207 libavfilter/${arch}/Makefile
3208 libavformat/Makefile
3209 libavutil/Makefile
3210 libpostproc/Makefile
3211 libswscale/Makefile
3212 "
3213 map 'mkdir -p $v' $DIRS;
3214 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3215 fi
3216
3217 config_files="$TMPH config.mak"
3218
3219 cat > config.mak <<EOF
3220 # Automatically generated by configure - do not modify!
3221 ifndef LIBAV_CONFIG_MAK
3222 LIBAV_CONFIG_MAK=1
3223 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3224 prefix=$prefix
3225 LIBDIR=\$(DESTDIR)$libdir
3226 SHLIBDIR=\$(DESTDIR)$shlibdir
3227 INCDIR=\$(DESTDIR)$incdir
3228 BINDIR=\$(DESTDIR)$bindir
3229 DATADIR=\$(DESTDIR)$datadir
3230 MANDIR=\$(DESTDIR)$mandir
3231 SRC_PATH="$source_path"
3232 SRC_PATH_BARE=$source_path
3233 BUILD_ROOT="$PWD"
3234 CC_IDENT=$cc_ident
3235 ARCH=$arch
3236 CC=$cc
3237 AS=$as
3238 LD=$ld
3239 DEPCC=$dep_cc
3240 YASM=$yasmexe
3241 YASMDEP=$yasmexe
3242 AR=$ar
3243 RANLIB=$ranlib
3244 LN_S=$ln_s
3245 CPPFLAGS=$CPPFLAGS
3246 CFLAGS=$CFLAGS
3247 ASFLAGS=$ASFLAGS
3248 CC_O=$CC_O
3249 DLLTOOL=$dlltool
3250 LDFLAGS=$LDFLAGS
3251 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3252 SHFLAGS=$SHFLAGS
3253 YASMFLAGS=$YASMFLAGS
3254 BUILDSUF=$build_suffix
3255 FULLNAME=$FULLNAME
3256 LIBPREF=$LIBPREF
3257 LIBSUF=$LIBSUF
3258 LIBNAME=$LIBNAME
3259 SLIBPREF=$SLIBPREF
3260 SLIBSUF=$SLIBSUF
3261 EXESUF=$EXESUF
3262 EXTRA_VERSION=$extra_version
3263 DEPFLAGS=$DEPFLAGS
3264 CCDEP=$CCDEP
3265 ASDEP=$ASDEP
3266 CC_DEPFLAGS=$CC_DEPFLAGS
3267 AS_DEPFLAGS=$AS_DEPFLAGS
3268 HOSTCC=$host_cc
3269 HOSTCFLAGS=$host_cflags
3270 HOSTEXESUF=$HOSTEXESUF
3271 HOSTLDFLAGS=$host_ldflags
3272 HOSTLIBS=$host_libs
3273 TARGET_EXEC=$target_exec
3274 TARGET_PATH=$target_path
3275 SDL_LIBS=$sdl_libs
3276 SDL_CFLAGS=$sdl_cflags
3277 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3278 EXTRALIBS=$extralibs
3279 INSTALL=install
3280 LIBTARGET=${LIBTARGET}
3281 SLIBNAME=${SLIBNAME}
3282 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3283 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3284 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3285 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3286 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3287 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3288 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3289 EOF
3290
3291 get_version(){
3292 name=$1
3293 file=$source_path/$2
3294 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3295 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3296 lcname=$(tolower $name)
3297 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3298 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3299 }
3300
3301 get_version LIBSWSCALE libswscale/swscale.h
3302 get_version LIBPOSTPROC libpostproc/postprocess.h
3303 get_version LIBAVCODEC libavcodec/version.h
3304 get_version LIBAVDEVICE libavdevice/avdevice.h
3305 get_version LIBAVFORMAT libavformat/version.h
3306 get_version LIBAVUTIL libavutil/avutil.h
3307 get_version LIBAVFILTER libavfilter/avfilter.h
3308
3309 cat > $TMPH <<EOF
3310 /* Automatically generated by configure - do not modify! */
3311 #ifndef LIBAV_CONFIG_H
3312 #define LIBAV_CONFIG_H
3313 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3314 #define LIBAV_LICENSE "$(c_escape $license)"
3315 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3316 #define CC_TYPE "$cc_type"
3317 #define CC_VERSION $cc_version
3318 #define restrict $_restrict
3319 #define EXTERN_PREFIX "${extern_prefix}"
3320 #define EXTERN_ASM ${extern_prefix}
3321 #define SLIBSUF "$SLIBSUF"
3322 EOF
3323
3324 test -n "$malloc_prefix" &&
3325 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3326
3327 if enabled small || disabled optimizations; then
3328 echo "#undef av_always_inline" >> $TMPH
3329 if enabled small; then
3330 echo "#define av_always_inline inline" >> $TMPH
3331 else
3332 echo "#define av_always_inline av_unused" >> $TMPH
3333 fi
3334 fi
3335
3336 if enabled yasm; then
3337 append config_files $TMPASM
3338 printf '' >$TMPASM
3339 fi
3340
3341 print_config ARCH_ "$config_files" $ARCH_LIST
3342 print_config HAVE_ "$config_files" $HAVE_LIST
3343 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3344 $CONFIG_EXTRA \
3345 $DECODER_LIST \
3346 $ENCODER_LIST \
3347 $HWACCEL_LIST \
3348 $PARSER_LIST \
3349 $BSF_LIST \
3350 $DEMUXER_LIST \
3351 $MUXER_LIST \
3352 $FILTER_LIST \
3353 $PROTOCOL_LIST \
3354 $INDEV_LIST \
3355 $OUTDEV_LIST \
3356
3357 cat >>config.mak <<EOF
3358 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3359 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3360 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3361 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3362 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3363 EOF
3364
3365 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3366 echo "endif # LIBAV_CONFIG_MAK" >> config.mak
3367
3368 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3369 cp_if_changed $TMPH config.h
3370 touch .config
3371
3372 enabled yasm && cp_if_changed $TMPASM config.asm
3373
3374 cat > $TMPH <<EOF
3375 /* Generated by ffconf */
3376 #ifndef AVUTIL_AVCONFIG_H
3377 #define AVUTIL_AVCONFIG_H
3378 EOF
3379
3380 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3381
3382 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3383
3384 cp_if_changed $TMPH libavutil/avconfig.h
3385
3386 test -n "$WARNINGS" && printf "\n$WARNINGS"
3387
3388 # build pkg-config files
3389
3390 pkgconfig_generate(){
3391 name=$1
3392 shortname=${name#lib}${build_suffix}
3393 comment=$2
3394 version=$3
3395 libs=$4
3396 requires=$5
3397 enabled ${name#lib} || return 0
3398 cat <<EOF > $name/$name.pc
3399 prefix=$prefix
3400 exec_prefix=\${prefix}
3401 libdir=$libdir
3402 includedir=$incdir
3403
3404 Name: $name
3405 Description: $comment
3406 Version: $version
3407 Requires: $(enabled shared || echo $requires)
3408 Requires.private: $(enabled shared && echo $requires)
3409 Conflicts:
3410 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3411 Libs.private: $(enabled shared && echo $libs)
3412 Cflags: -I\${includedir}
3413 EOF
3414 cat <<EOF > $name/$name-uninstalled.pc
3415 prefix=
3416 exec_prefix=
3417 libdir=\${pcfiledir}
3418 includedir=${source_path}
3419
3420 Name: $name
3421 Description: $comment
3422 Version: $version
3423 Requires: $requires
3424 Conflicts:
3425 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3426 Cflags: -I\${includedir}
3427 EOF
3428 }
3429
3430 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3431 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs $LIBM" "libavutil = $LIBAVUTIL_VERSION"
3432 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3433 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3434 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3435 pkgconfig_generate libpostproc "Libav post processing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3436 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"