AMR-WB decoder, written as part of Google Summer of Code 2010 by Marcelo
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg 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 FFMPEG, 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 FFmpeg."
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-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-huffman disable Huffman code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libopencv enable video filtering via libopencv [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-librtmp enable RTMP[E] support via librtmp [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libvpx enable VP8 support via libvpx [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxavs enable AVS encoding via xavs [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238 --disable-symver disable symbol versioning
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
246 --samples=PATH location of test samples for FATE
247
248 NOTE: Object files are built at the place where configure is launched.
249 EOF
250 exit 0
251 }
252
253 quotes='""'
254
255 log(){
256 echo "$@" >> $logfile
257 }
258
259 log_file(){
260 log BEGIN $1
261 pr -n -t $1 >> $logfile
262 log END $1
263 }
264
265 echolog(){
266 log "$@"
267 echo "$@"
268 }
269
270 warn(){
271 log "WARNING: $*"
272 WARNINGS="${WARNINGS}WARNING: $*\n"
273 }
274
275 die(){
276 echolog "$@"
277 cat <<EOF
278
279 If you think configure made a mistake, make sure you are using the latest
280 version from SVN. If the latest version fails, report the problem to the
281 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282 EOF
283 if disabled logging; then
284 cat <<EOF
285 Rerun configure with logging enabled (do not use --disable-logging), and
286 include the log this produces with your report.
287 EOF
288 else
289 cat <<EOF
290 Include the log file "$logfile" produced by configure as this will help
291 solving the problem.
292 EOF
293 fi
294 exit 1
295 }
296
297 # Avoid locale weirdness, besides we really just want to translate ASCII.
298 toupper(){
299 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300 }
301
302 tolower(){
303 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304 }
305
306 c_escape(){
307 echo "$*" | sed 's/["\\]/\\\0/g'
308 }
309
310 sh_quote(){
311 v=$(echo "$1" | sed "s/'/'\\\\''/g")
312 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313 echo "$v"
314 }
315
316 filter(){
317 pat=$1
318 shift
319 for v; do
320 eval "case $v in $pat) echo $v ;; esac"
321 done
322 }
323
324 map(){
325 m=$1
326 shift
327 for v; do eval $m; done
328 }
329
330 set_all(){
331 value=$1
332 shift
333 for var in $*; do
334 eval $var=$value
335 done
336 }
337
338 set_weak(){
339 value=$1
340 shift
341 for var; do
342 eval : \${$var:=$value}
343 done
344 }
345
346 pushvar(){
347 for var in $*; do
348 eval level=\${${var}_level:=0}
349 eval ${var}_${level}="\$$var"
350 eval ${var}_level=$(($level+1))
351 done
352 }
353
354 popvar(){
355 for var in $*; do
356 eval level=\${${var}_level:-0}
357 test $level = 0 && continue
358 eval level=$(($level-1))
359 eval $var="\${${var}_${level}}"
360 eval ${var}_level=$level
361 eval unset ${var}_${level}
362 done
363 }
364
365 enable(){
366 set_all yes $*
367 }
368
369 disable(){
370 set_all no $*
371 }
372
373 enable_weak(){
374 set_weak yes $*
375 }
376
377 disable_weak(){
378 set_weak no $*
379 }
380
381 enable_safe(){
382 for var; do
383 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
385 }
386
387 disable_safe(){
388 for var; do
389 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
390 done
391 }
392
393 do_enable_deep(){
394 for var; do
395 enabled $var && continue
396 eval sel="\$${var}_select"
397 eval sgs="\$${var}_suggest"
398 pushvar var sgs
399 enable_deep $sel
400 popvar sgs
401 enable_deep_weak $sgs
402 popvar var
403 done
404 }
405
406 enable_deep(){
407 do_enable_deep $*
408 enable $*
409 }
410
411 enable_deep_weak(){
412 do_enable_deep $*
413 enable_weak $*
414 }
415
416 enabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xyes"
419 }
420
421 disabled(){
422 test "${1#!}" = "$1" && op== || op=!=
423 eval test "x\$${1#!}" $op "xno"
424 }
425
426 enabled_all(){
427 for opt; do
428 enabled $opt || return 1
429 done
430 }
431
432 disabled_all(){
433 for opt; do
434 disabled $opt || return 1
435 done
436 }
437
438 enabled_any(){
439 for opt; do
440 enabled $opt && return 0
441 done
442 }
443
444 disabled_any(){
445 for opt; do
446 disabled $opt && return 0
447 done
448 return 1
449 }
450
451 set_default(){
452 for opt; do
453 eval : \${$opt:=\$${opt}_default}
454 done
455 }
456
457 is_in(){
458 value=$1
459 shift
460 for var in $*; do
461 [ $var = $value ] && return 0
462 done
463 return 1
464 }
465
466 check_deps(){
467 for cfg; do
468 cfg="${cfg#!}"
469 enabled ${cfg}_checking && die "Circular dependency for $cfg."
470 disabled ${cfg}_checking && continue
471 enable ${cfg}_checking
472
473 eval dep_all="\$${cfg}_deps"
474 eval dep_any="\$${cfg}_deps_any"
475 eval dep_sel="\$${cfg}_select"
476 eval dep_sgs="\$${cfg}_suggest"
477 eval dep_ifa="\$${cfg}_if"
478 eval dep_ifn="\$${cfg}_if_any"
479
480 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
482 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
483
484 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
485 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
486 enabled_all $dep_all || disable $cfg
487 enabled_any $dep_any || disable $cfg
488 disabled_any $dep_sel && disable $cfg
489
490 if enabled $cfg; then
491 eval dep_extralibs="\$${cfg}_extralibs"
492 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
493 enable_deep $dep_sel
494 enable_deep_weak $dep_sgs
495 fi
496
497 disable ${cfg}_checking
498 done
499 }
500
501 print_config_h(){
502 enabled $1 && v=1 || v=0
503 echo "#define $2 $v"
504 }
505
506 print_config_mak(){
507 enabled $1 && v= || v=!
508 echo "$v$2=yes"
509 }
510
511 print_config_asm(){
512 enabled $1 && echo "%define $2"
513 }
514
515 print_config(){
516 pfx=$1
517 files=$2
518 shift 2
519 for cfg; do
520 ucname="$(toupper $cfg)"
521 for f in $files; do
522 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
523 done
524 done
525 }
526
527 print_enabled(){
528 test "$1" = -n && end=" " && shift || end="\n"
529 suf=$1
530 shift
531 for v; do
532 enabled $v && printf "%s$end" ${v%$suf};
533 done
534 }
535
536 append(){
537 var=$1
538 shift
539 eval "$var=\"\$$var $*\""
540 }
541
542 prepend(){
543 var=$1
544 shift
545 eval "$var=\"$* \$$var\""
546 }
547
548 add_cppflags(){
549 append CPPFLAGS $($filter_cppflags "$@")
550 }
551
552 add_cflags(){
553 append CFLAGS $($filter_cflags "$@")
554 }
555
556 add_asflags(){
557 append ASFLAGS $($filter_asflags "$@")
558 }
559
560 add_ldflags(){
561 append LDFLAGS "$@"
562 }
563
564 add_extralibs(){
565 prepend extralibs "$@"
566 }
567
568 check_cmd(){
569 log "$@"
570 "$@" >> $logfile 2>&1
571 }
572
573 check_cc(){
574 log check_cc "$@"
575 cat > $TMPC
576 log_file $TMPC
577 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
578 }
579
580 check_cpp(){
581 log check_cpp "$@"
582 cat > $TMPC
583 log_file $TMPC
584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
585 }
586
587 check_as(){
588 log check_as "$@"
589 cat > $TMPC
590 log_file $TMPC
591 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
592 }
593
594 check_asm(){
595 log check_asm "$@"
596 name="$1"
597 code="$2"
598 shift 2
599 disable $name
600 check_as "$@" <<EOF && enable $name
601 void foo(void){ __asm__ volatile($code); }
602 EOF
603 }
604
605 check_yasm(){
606 log check_yasm "$@"
607 echo "$1" > $TMPS
608 log_file $TMPS
609 shift 1
610 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
611 }
612
613 check_ld(){
614 log check_ld "$@"
615 flags=''
616 libs=''
617 for f; do
618 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
619 done
620 check_cc $($filter_cflags $flags) || return
621 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
622 }
623
624 check_cppflags(){
625 log check_cppflags "$@"
626 set -- $($filter_cppflags "$@")
627 check_cc "$@" <<EOF && append CPPFLAGS "$@"
628 int x;
629 EOF
630 }
631
632 check_cflags(){
633 log check_cflags "$@"
634 set -- $($filter_cflags "$@")
635 check_cc "$@" <<EOF && append CFLAGS "$@"
636 int x;
637 EOF
638 }
639
640 test_ldflags(){
641 log test_ldflags "$@"
642 check_ld "$@" <<EOF
643 int main(void){ return 0; }
644 EOF
645 }
646
647 check_ldflags(){
648 log check_ldflags "$@"
649 test_ldflags "$@" && add_ldflags "$@"
650 }
651
652 check_header(){
653 log check_header "$@"
654 header=$1
655 shift
656 disable_safe $header
657 check_cpp "$@" <<EOF && enable_safe $header
658 #include <$header>
659 int x;
660 EOF
661 }
662
663 check_func(){
664 log check_func "$@"
665 func=$1
666 shift
667 disable $func
668 check_ld "$@" <<EOF && enable $func
669 extern int $func();
670 int main(void){ $func(); }
671 EOF
672 }
673
674 check_mathfunc(){
675 log check_mathfunc "$@"
676 func=$1
677 shift
678 disable $func
679 check_ld "$@" <<EOF && enable $func
680 #include <math.h>
681 float foo(float f) { return $func(f); }
682 int main(void){ return 0; }
683 EOF
684 }
685
686 check_func_headers(){
687 log check_func_headers "$@"
688 headers=$1
689 func=$2
690 shift 2
691 disable $func
692 incs=""
693 for hdr in $headers; do
694 incs="$incs
695 #include <$hdr>"
696 done
697 check_ld "$@" <<EOF && enable $func && enable_safe $headers
698 $incs
699 int main(int argc, char **argv){
700 return (long) $func;
701 }
702 EOF
703 }
704
705 check_cpp_condition(){
706 log check_cpp_condition "$@"
707 header=$1
708 condition=$2
709 shift 2
710 check_cpp $($filter_cppflags "$@") <<EOF
711 #include <$header>
712 #if !($condition)
713 #error "unsatisfied condition: $condition"
714 #endif
715 EOF
716 }
717
718 check_lib(){
719 log check_lib "$@"
720 header="$1"
721 func="$2"
722 shift 2
723 check_header $header && check_func $func "$@" && add_extralibs "$@"
724 }
725
726 check_lib2(){
727 log check_lib2 "$@"
728 headers="$1"
729 func="$2"
730 shift 2
731 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
732 }
733
734 check_exec(){
735 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
736 }
737
738 check_exec_crash(){
739 code=$(cat)
740
741 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
742 # are safe but may not be available everywhere. Thus we use
743 # raise(SIGTERM) instead. The check is run in a subshell so we
744 # can redirect the "Terminated" message from the shell. SIGBUS
745 # is not defined by standard C so it is used conditionally.
746
747 (check_exec "$@") >> $logfile 2>&1 <<EOF
748 #include <signal.h>
749 static void sighandler(int sig){
750 raise(SIGTERM);
751 }
752 int main(void){
753 signal(SIGILL, sighandler);
754 signal(SIGFPE, sighandler);
755 signal(SIGSEGV, sighandler);
756 #ifdef SIGBUS
757 signal(SIGBUS, sighandler);
758 #endif
759 { $code }
760 }
761 EOF
762 }
763
764 check_type(){
765 log check_type "$@"
766 headers=$1
767 type=$2
768 shift 2
769 disable_safe "$type"
770 incs=""
771 for hdr in $headers; do
772 incs="$incs
773 #include <$hdr>"
774 done
775 check_cc "$@" <<EOF && enable_safe "$type"
776 $incs
777 $type v;
778 EOF
779 }
780
781 check_struct(){
782 log check_type "$@"
783 headers=$1
784 struct=$2
785 member=$3
786 shift 3
787 disable_safe "${struct}_${member}"
788 incs=""
789 for hdr in $headers; do
790 incs="$incs
791 #include <$hdr>"
792 done
793 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
794 $incs
795 const void *p = &(($struct *)0)->$member;
796 EOF
797 }
798
799 require(){
800 name="$1"
801 header="$2"
802 func="$3"
803 shift 3
804 check_lib $header $func "$@" || die "ERROR: $name not found"
805 }
806
807 require2(){
808 name="$1"
809 headers="$2"
810 func="$3"
811 shift 3
812 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
813 }
814
815 check_host_cc(){
816 log check_host_cc "$@"
817 cat > $TMPC
818 log_file $TMPC
819 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820 }
821
822 check_host_cflags(){
823 log check_host_cflags "$@"
824 check_host_cc "$@" <<EOF && append host_cflags "$@"
825 int x;
826 EOF
827 }
828
829 apply(){
830 file=$1
831 shift
832 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833 }
834
835 cp_if_changed(){
836 cmp -s "$1" "$2" &&
837 echo "$2 is unchanged" ||
838 cp -f "$1" "$2"
839 }
840
841 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
842 # system-dependent things.
843
844 COMPONENT_LIST="
845 bsfs
846 decoders
847 demuxers
848 encoders
849 filters
850 hwaccels
851 indevs
852 muxers
853 outdevs
854 parsers
855 protocols
856 "
857
858 CONFIG_LIST="
859 $COMPONENT_LIST
860 aandct
861 avcodec
862 avcore
863 avdevice
864 avfilter
865 avformat
866 avisynth
867 bzlib
868 dct
869 doc
870 dwt
871 dxva2
872 fastdiv
873 ffmpeg
874 ffplay
875 ffprobe
876 ffserver
877 fft
878 frei0r
879 golomb
880 gpl
881 gray
882 h264dsp
883 h264pred
884 hardcoded_tables
885 huffman
886 libdc1394
887 libdirac
888 libfaac
889 libgsm
890 libmp3lame
891 libnut
892 libopencore_amrnb
893 libopencore_amrwb
894 libopencv
895 libopenjpeg
896 librtmp
897 libschroedinger
898 libspeex
899 libtheora
900 libvorbis
901 libvpx
902 libx264
903 libxavs
904 libxvid
905 lpc
906 lsp
907 mdct
908 memalign_hack
909 mlib
910 mpegaudio_hp
911 network
912 nonfree
913 pic
914 postproc
915 rdft
916 rtpdec
917 runtime_cpudetect
918 shared
919 small
920 sram
921 static
922 swscale
923 swscale_alpha
924 vaapi
925 vdpau
926 version3
927 x11grab
928 zlib
929 "
930
931 THREADS_LIST='
932 pthreads
933 w32threads
934 '
935
936 ARCH_LIST='
937 alpha
938 arm
939 avr32
940 avr32_ap
941 avr32_uc
942 bfin
943 ia64
944 m68k
945 mips
946 mips64
947 parisc
948 ppc
949 ppc64
950 s390
951 sh4
952 sparc
953 sparc64
954 tomi
955 x86
956 x86_32
957 x86_64
958 '
959
960 ARCH_EXT_LIST='
961 altivec
962 amd3dnow
963 amd3dnowext
964 armv5te
965 armv6
966 armv6t2
967 armvfp
968 iwmmxt
969 mmi
970 mmx
971 mmx2
972 neon
973 ppc4xx
974 sse
975 ssse3
976 vis
977 '
978
979 HAVE_LIST_PUB='
980 bigendian
981 fast_unaligned
982 '
983
984 HAVE_LIST="
985 $ARCH_EXT_LIST
986 $HAVE_LIST_PUB
987 $THREADS_LIST
988 aligned_stack
989 alsa_asoundlib_h
990 altivec_h
991 arpa_inet_h
992 attribute_may_alias
993 attribute_packed
994 bswap
995 closesocket
996 cmov
997 conio_h
998 dcbzl
999 dev_bktr_ioctl_bt848_h
1000 dev_bktr_ioctl_meteor_h
1001 dev_ic_bt8xx_h
1002 dev_video_meteor_ioctl_meteor_h
1003 dev_video_bktr_ioctl_bt848_h
1004 dlfcn_h
1005 dlopen
1006 dos_paths
1007 ebp_available
1008 ebx_available
1009 exp2
1010 exp2f
1011 fast_64bit
1012 fast_clz
1013 fast_cmov
1014 fcntl
1015 fork
1016 getaddrinfo
1017 gethrtime
1018 GetProcessMemoryInfo
1019 GetProcessTimes
1020 getrusage
1021 gnu_as
1022 struct_rusage_ru_maxrss
1023 ibm_asm
1024 inet_aton
1025 inline_asm
1026 isatty
1027 ldbrx
1028 libdc1394_1
1029 libdc1394_2
1030 llrint
1031 llrintf
1032 local_aligned_16
1033 local_aligned_8
1034 log2
1035 log2f
1036 loongson
1037 lrint
1038 lrintf
1039 lzo1x_999_compress
1040 machine_ioctl_bt848_h
1041 machine_ioctl_meteor_h
1042 malloc_h
1043 memalign
1044 mkstemp
1045 pld
1046 posix_memalign
1047 round
1048 roundf
1049 sdl
1050 sdl_video_size
1051 setmode
1052 socklen_t
1053 soundcard_h
1054 poll_h
1055 setrlimit
1056 strerror_r
1057 strtok_r
1058 struct_addrinfo
1059 struct_ipv6_mreq
1060 struct_sockaddr_in6
1061 struct_sockaddr_sa_len
1062 struct_sockaddr_storage
1063 symver
1064 symver_gnu_asm
1065 symver_asm_label
1066 sys_mman_h
1067 sys_resource_h
1068 sys_select_h
1069 sys_soundcard_h
1070 sys_videoio_h
1071 ten_operands
1072 termios_h
1073 threads
1074 truncf
1075 vfp_args
1076 VirtualAlloc
1077 winsock2_h
1078 xform_asm
1079 xmm_clobbers
1080 yasm
1081 "
1082
1083 # options emitted with CONFIG_ prefix but not available on command line
1084 CONFIG_EXTRA="
1085 avutil
1086 gplv3
1087 lgplv3
1088 "
1089
1090 CMDLINE_SELECT="
1091 $ARCH_EXT_LIST
1092 $CONFIG_LIST
1093 $THREADS_LIST
1094 asm
1095 cross_compile
1096 debug
1097 extra_warnings
1098 logging
1099 optimizations
1100 stripping
1101 symver
1102 yasm
1103 "
1104
1105 PATHS_LIST='
1106 bindir
1107 datadir
1108 incdir
1109 libdir
1110 mandir
1111 prefix
1112 shlibdir
1113 '
1114
1115 CMDLINE_SET="
1116 $PATHS_LIST
1117 ar
1118 arch
1119 as
1120 build_suffix
1121 cc
1122 cpu
1123 cross_prefix
1124 dep_cc
1125 extra_version
1126 host_cc
1127 host_cflags
1128 host_ldflags
1129 host_libs
1130 host_os
1131 ld
1132 logfile
1133 malloc_prefix
1134 nm
1135 samples
1136 source_path
1137 strip
1138 sysinclude
1139 sysroot
1140 target_exec
1141 target_os
1142 target_path
1143 "
1144
1145 CMDLINE_APPEND="
1146 extra_cflags
1147 "
1148
1149 # code dependency declarations
1150
1151 # architecture extensions
1152
1153 armv5te_deps="arm"
1154 armv6_deps="arm"
1155 armv6t2_deps="arm"
1156 armvfp_deps="arm"
1157 iwmmxt_deps="arm"
1158 neon_deps="arm"
1159
1160 mmi_deps="mips"
1161
1162 altivec_deps="ppc"
1163 ppc4xx_deps="ppc"
1164
1165 vis_deps="sparc"
1166
1167 x86_64_suggest="cmov fast_cmov"
1168 amd3dnow_deps="mmx"
1169 amd3dnowext_deps="amd3dnow"
1170 mmx_deps="x86"
1171 mmx2_deps="mmx"
1172 sse_deps="mmx"
1173 ssse3_deps="sse"
1174
1175 aligned_stack_if_any="ppc x86"
1176 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1177 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1178 fast_unaligned_if_any="armv6 ppc x86"
1179
1180 need_memalign="altivec neon sse"
1181 inline_asm_deps="!tms470"
1182
1183 symver_if_any="symver_asm_label symver_gnu_asm"
1184
1185 # subsystems
1186 dct_select="rdft"
1187 mdct_select="fft"
1188 rdft_select="fft"
1189
1190 # decoders / encoders / hardware accelerators
1191 aac_decoder_select="mdct rdft"
1192 aac_encoder_select="mdct"
1193 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1194 ac3_decoder_select="mdct ac3_parser"
1195 alac_encoder_select="lpc"
1196 amrnb_decoder_select="lsp"
1197 amrwb_decoder_select="lsp"
1198 atrac1_decoder_select="mdct"
1199 atrac3_decoder_select="mdct"
1200 binkaudio_dct_decoder_select="mdct rdft dct"
1201 binkaudio_rdft_decoder_select="mdct rdft"
1202 cavs_decoder_select="golomb"
1203 cook_decoder_select="mdct"
1204 cscd_decoder_suggest="zlib"
1205 dca_decoder_select="mdct"
1206 dnxhd_encoder_select="aandct"
1207 dxa_decoder_select="zlib"
1208 eac3_decoder_select="ac3_decoder"
1209 eamad_decoder_select="aandct"
1210 eatgq_decoder_select="aandct"
1211 eatqi_decoder_select="aandct"
1212 ffv1_decoder_select="golomb"
1213 flac_decoder_select="golomb"
1214 flac_encoder_select="golomb lpc"
1215 flashsv_decoder_select="zlib"
1216 flashsv_encoder_select="zlib"
1217 flv_decoder_select="h263_decoder"
1218 flv_encoder_select="h263_encoder"
1219 fraps_decoder_select="huffman"
1220 h261_encoder_select="aandct"
1221 h263_decoder_select="h263_parser"
1222 h263_encoder_select="aandct"
1223 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1224 h263i_decoder_select="h263_decoder"
1225 h263p_encoder_select="h263_encoder"
1226 h264_decoder_select="golomb h264dsp h264pred"
1227 h264_dxva2_hwaccel_deps="dxva2api_h"
1228 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1229 h264_vaapi_hwaccel_select="vaapi"
1230 h264_vdpau_decoder_select="vdpau h264_decoder"
1231 imc_decoder_select="fft mdct"
1232 jpegls_decoder_select="golomb"
1233 jpegls_encoder_select="golomb"
1234 ljpeg_encoder_select="aandct"
1235 loco_decoder_select="golomb"
1236 mjpeg_encoder_select="aandct"
1237 mlp_decoder_select="mlp_parser"
1238 mp1float_decoder_select="dct"
1239 mp2float_decoder_select="dct"
1240 mp3adufloat_decoder_select="dct"
1241 mp3float_decoder_select="dct"
1242 mp3on4float_decoder_select="dct"
1243 mpeg1video_encoder_select="aandct"
1244 mpeg2video_encoder_select="aandct"
1245 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1246 mpeg4_encoder_select="h263_encoder"
1247 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1248 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1249 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1250 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1251 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1252 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1253 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1254 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1255 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1256 msmpeg4v1_decoder_select="h263_decoder"
1257 msmpeg4v1_encoder_select="h263_encoder"
1258 msmpeg4v2_decoder_select="h263_decoder"
1259 msmpeg4v2_encoder_select="h263_encoder"
1260 msmpeg4v3_decoder_select="h263_decoder"
1261 msmpeg4v3_encoder_select="h263_encoder"
1262 nellymoser_decoder_select="mdct"
1263 nellymoser_encoder_select="mdct"
1264 png_decoder_select="zlib"
1265 png_encoder_select="zlib"
1266 qcelp_decoder_select="lsp"
1267 qdm2_decoder_select="mdct rdft"
1268 ra_144_encoder_select="lpc"
1269 rv10_decoder_select="h263_decoder"
1270 rv10_encoder_select="h263_encoder"
1271 rv20_decoder_select="h263_decoder"
1272 rv20_encoder_select="h263_encoder"
1273 rv30_decoder_select="golomb h264pred"
1274 rv40_decoder_select="golomb h264pred"
1275 shorten_decoder_select="golomb"
1276 sipr_decoder_select="lsp"
1277 snow_decoder_select="dwt"
1278 snow_encoder_select="aandct dwt"
1279 sonic_decoder_select="golomb"
1280 sonic_encoder_select="golomb"
1281 sonic_ls_encoder_select="golomb"
1282 svq1_encoder_select="aandct"
1283 svq3_decoder_select="golomb h264dsp h264pred"
1284 svq3_decoder_suggest="zlib"
1285 theora_decoder_select="vp3_decoder"
1286 tiff_decoder_suggest="zlib"
1287 tiff_encoder_suggest="zlib"
1288 truehd_decoder_select="mlp_decoder"
1289 tscc_decoder_select="zlib"
1290 twinvq_decoder_select="mdct lsp"
1291 vc1_decoder_select="h263_decoder"
1292 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1293 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1294 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1295 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1296 vorbis_decoder_select="mdct"
1297 vorbis_encoder_select="mdct"
1298 vp6_decoder_select="huffman"
1299 vp6a_decoder_select="vp6_decoder"
1300 vp6f_decoder_select="vp6_decoder"
1301 vp8_decoder_select="h264pred"
1302 wmapro_decoder_select="mdct"
1303 wmav1_decoder_select="mdct"
1304 wmav1_encoder_select="mdct"
1305 wmav2_decoder_select="mdct"
1306 wmav2_encoder_select="mdct"
1307 wmavoice_decoder_select="lsp rdft dct mdct"
1308 wmv1_decoder_select="h263_decoder"
1309 wmv1_encoder_select="h263_encoder"
1310 wmv2_decoder_select="h263_decoder"
1311 wmv2_encoder_select="h263_encoder"
1312 wmv3_decoder_select="vc1_decoder"
1313 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1314 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1315 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1316 zlib_decoder_select="zlib"
1317 zlib_encoder_select="zlib"
1318 zmbv_decoder_select="zlib"
1319 zmbv_encoder_select="zlib"
1320
1321 vaapi_deps="va_va_h"
1322 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1323
1324 # parsers
1325 h264_parser_select="golomb h264dsp h264pred"
1326
1327 # external libraries
1328 libdirac_decoder_deps="libdirac !libschroedinger"
1329 libdirac_encoder_deps="libdirac"
1330 libfaac_encoder_deps="libfaac"
1331 libgsm_decoder_deps="libgsm"
1332 libgsm_encoder_deps="libgsm"
1333 libgsm_ms_decoder_deps="libgsm"
1334 libgsm_ms_encoder_deps="libgsm"
1335 libmp3lame_encoder_deps="libmp3lame"
1336 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1337 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1338 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1339 libopenjpeg_decoder_deps="libopenjpeg"
1340 libschroedinger_decoder_deps="libschroedinger"
1341 libschroedinger_encoder_deps="libschroedinger"
1342 libspeex_decoder_deps="libspeex"
1343 libtheora_encoder_deps="libtheora"
1344 libvorbis_encoder_deps="libvorbis"
1345 libvpx_decoder_deps="libvpx"
1346 libvpx_encoder_deps="libvpx"
1347 libx264_encoder_deps="libx264"
1348 libxavs_encoder_deps="libxavs"
1349 libxvid_encoder_deps="libxvid"
1350
1351 # demuxers / muxers
1352 ac3_demuxer_deps="ac3_parser"
1353 asf_stream_muxer_select="asf_muxer"
1354 avisynth_demuxer_deps="avisynth"
1355 dirac_demuxer_deps="dirac_parser"
1356 eac3_demuxer_select="ac3_parser"
1357 flac_demuxer_deps="flac_parser"
1358 ipod_muxer_select="mov_muxer"
1359 libnut_demuxer_deps="libnut"
1360 libnut_muxer_deps="libnut"
1361 matroska_audio_muxer_select="matroska_muxer"
1362 matroska_demuxer_suggest="zlib bzlib"
1363 mov_demuxer_suggest="zlib"
1364 mp3_demuxer_deps="mpegaudio_parser"
1365 mp4_muxer_select="mov_muxer"
1366 mpegtsraw_demuxer_select="mpegts_demuxer"
1367 mxf_d10_muxer_select="mxf_muxer"
1368 ogg_demuxer_select="golomb"
1369 psp_muxer_select="mov_muxer"
1370 rtp_demuxer_select="sdp_demuxer"
1371 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1372 rtsp_demuxer_select="http_protocol rtpdec"
1373 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1374 sap_demuxer_select="sdp_demuxer"
1375 sap_muxer_select="rtp_muxer rtp_protocol"
1376 sdp_demuxer_select="rtpdec"
1377 spdif_muxer_select="aac_parser"
1378 tg2_muxer_select="mov_muxer"
1379 tgp_muxer_select="mov_muxer"
1380 w64_demuxer_deps="wav_demuxer"
1381
1382 # indevs / outdevs
1383 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1384 alsa_outdev_deps="alsa_asoundlib_h"
1385 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1386 dv1394_indev_deps="dv1394 dv_demuxer"
1387 jack_indev_deps="jack_jack_h"
1388 libdc1394_indev_deps="libdc1394"
1389 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1390 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1391 v4l_indev_deps="linux_videodev_h"
1392 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1393 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1394 vfwcap_indev_extralibs="-lavicap32"
1395 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1396 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1397
1398 # protocols
1399 gopher_protocol_deps="network"
1400 http_protocol_deps="network"
1401 http_protocol_select="tcp_protocol"
1402 mmsh_protocol_select="http_protocol"
1403 mmst_protocol_deps="network"
1404 rtmp_protocol_select="tcp_protocol"
1405 rtp_protocol_select="udp_protocol"
1406 tcp_protocol_deps="network"
1407 udp_protocol_deps="network"
1408
1409 # filters
1410 blackframe_filter_deps="gpl"
1411 cropdetect_filter_deps="gpl"
1412 frei0r_filter_deps="frei0r dlopen strtok_r"
1413 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1414 hqdn3d_filter_deps="gpl"
1415 ocv_smooth_filter_deps="libopencv"
1416 yadif_filter_deps="gpl"
1417
1418 # libraries
1419 avdevice_deps="avcodec avformat"
1420 avformat_deps="avcodec"
1421
1422 # programs
1423 ffmpeg_deps="avcodec avformat swscale"
1424 ffmpeg_select="buffer_filter"
1425 ffplay_deps="avcodec avformat swscale sdl"
1426 ffplay_select="rdft"
1427 ffprobe_deps="avcodec avformat"
1428 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1429 ffserver_extralibs='$ldl'
1430
1431 doc_deps="texi2html"
1432
1433 # tests
1434
1435 test_deps(){
1436 suf1=$1
1437 suf2=$2
1438 shift 2
1439 for v; do
1440 dep=${v%=*}
1441 tests=${v#*=}
1442 for name in ${tests}; do
1443 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1444 done
1445 done
1446 }
1447
1448 set_ne_test_deps(){
1449 eval ${1}_be_test_deps="bigendian"
1450 eval ${1}_le_test_deps="!bigendian"
1451 }
1452
1453 test_deps _encoder _decoder \
1454 ac3 \
1455 adpcm_g726=g726 \
1456 adpcm_ima_qt \
1457 adpcm_ima_wav \
1458 adpcm_ms \
1459 adpcm_swf \
1460 adpcm_yamaha=adpcm_yam \
1461 alac \
1462 asv1 \
1463 asv2 \
1464 bmp \
1465 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1466 dvvideo="dv dv50" \
1467 ffv1 \
1468 flac \
1469 flashsv \
1470 flv \
1471 gif \
1472 h261 \
1473 h263="h263 h263p" \
1474 huffyuv \
1475 jpegls \
1476 mjpeg="jpg mjpeg ljpeg" \
1477 mp2 \
1478 mpeg1video="mpeg mpeg1b" \
1479 mpeg2video="mpeg2 mpeg2thread" \
1480 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1481 msmpeg4v3=msmpeg4 \
1482 msmpeg4v2 \
1483 pbm=pbmpipe \
1484 pcx \
1485 pgm="pgm pgmpipe" \
1486 ppm="ppm ppmpipe" \
1487 rawvideo="rgb yuv" \
1488 roq \
1489 rv10 \
1490 rv20 \
1491 sgi \
1492 snow="snow snowll" \
1493 svq1 \
1494 targa=tga \
1495 tiff \
1496 wmav1 \
1497 wmav2 \
1498 wmv1 \
1499 wmv2 \
1500
1501 test_deps _muxer _demuxer \
1502 aiff \
1503 pcm_alaw=alaw \
1504 asf \
1505 au \
1506 avi \
1507 dv=dv_fmt \
1508 ffm \
1509 flv=flv_fmt \
1510 gxf \
1511 matroska=mkv \
1512 mmf \
1513 mov \
1514 pcm_mulaw=mulaw \
1515 mxf \
1516 nut \
1517 ogg \
1518 rawvideo=pixfmt \
1519 rm \
1520 swf \
1521 mpegts=ts \
1522 voc \
1523 wav \
1524 yuv4mpegpipe=yuv4mpeg \
1525
1526 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1527
1528 set_ne_test_deps pixdesc
1529 set_ne_test_deps pixfmts_crop
1530 set_ne_test_deps pixfmts_hflip
1531 set_ne_test_deps pixfmts_null
1532 set_ne_test_deps pixfmts_pad
1533 set_ne_test_deps pixfmts_scale
1534 set_ne_test_deps pixfmts_vflip
1535
1536 # default parameters
1537
1538 logfile="config.log"
1539
1540 # installation paths
1541 prefix_default="/usr/local"
1542 bindir_default='${prefix}/bin'
1543 datadir_default='${prefix}/share/ffmpeg'
1544 incdir_default='${prefix}/include'
1545 libdir_default='${prefix}/lib'
1546 mandir_default='${prefix}/share/man'
1547 shlibdir_default="$libdir_default"
1548
1549 # toolchain
1550 ar_default="ar"
1551 cc_default="gcc"
1552 cc_version=\"unknown\"
1553 host_cc_default="gcc"
1554 ln_s="ln -sf"
1555 nm_default="nm"
1556 objformat="elf"
1557 ranlib="ranlib"
1558 strip_default="strip"
1559 yasmexe="yasm"
1560 nogas=":"
1561
1562 nm_opts='-g'
1563
1564 # machine
1565 arch_default=$(uname -m)
1566 cpu="generic"
1567
1568 # OS
1569 target_os_default=$(tolower $(uname -s))
1570 host_os=$target_os_default
1571
1572 # configurable options
1573 enable avcodec
1574 enable avcore
1575 enable avdevice
1576 enable avfilter
1577 enable avformat
1578 enable avutil
1579 enable asm
1580 enable debug
1581 enable doc
1582 enable fastdiv
1583 enable ffmpeg
1584 enable ffplay
1585 enable ffprobe
1586 enable ffserver
1587 enable mpegaudio_hp
1588 enable network
1589 enable optimizations
1590 enable protocols
1591 enable static
1592 enable stripping
1593 enable swscale
1594 enable swscale_alpha
1595
1596 # build settings
1597 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1598 FFSERVERLDFLAGS=-Wl,-E
1599 LIBPREF="lib"
1600 LIBSUF=".a"
1601 FULLNAME='$(NAME)$(BUILDSUF)'
1602 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1603 SLIBPREF="lib"
1604 SLIBSUF=".so"
1605 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1606 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1607 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1608 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1609
1610 CC_O='-o $@'
1611
1612 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1613 host_libs='-lm'
1614
1615 target_path='$(CURDIR)'
1616
1617 # since the object filename is not given with the -MM flag, the compiler
1618 # is only able to print the basename, and we must add the path ourselves
1619 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1620 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1621
1622 # find source path
1623 source_path="$(dirname "$0")"
1624 enable source_path_used
1625 if test -f configure; then
1626 source_path="$(pwd)"
1627 disable source_path_used
1628 else
1629 source_path="$(cd "$source_path"; pwd)"
1630 echo "$source_path" | grep -q '[[:blank:]]' &&
1631 die "Out of tree builds are impossible with whitespace in source path."
1632 test -e "$source_path/config.h" &&
1633 die "Out of tree builds are impossible with config.h in source dir."
1634 fi
1635
1636 for v in "$@"; do
1637 r=${v#*=}
1638 l=${v%"$r"}
1639 r=$(sh_quote "$r")
1640 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1641 done
1642
1643 find_things(){
1644 thing=$1
1645 pattern=$2
1646 file=$source_path/$3
1647 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1648 }
1649
1650 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1651 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1652 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1653 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1654 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1655 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1656 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1657 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1658 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1659 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1660 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1661
1662 find_tests(){
1663 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1664 }
1665
1666 ACODEC_TESTS=$(find_tests acodec)
1667 VCODEC_TESTS=$(find_tests vsynth1)
1668 LAVF_TESTS=$(find_tests lavf)
1669 LAVFI_TESTS=$(find_tests lavfi)
1670 SEEK_TESTS=$(find_tests seek seek_)
1671
1672 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1673
1674 for n in $COMPONENT_LIST; do
1675 v=$(toupper ${n%s})_LIST
1676 eval enable \$$v
1677 eval ${n}_if_any="\$$v"
1678 done
1679
1680 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1681
1682 die_unknown(){
1683 echo "Unknown option \"$1\"."
1684 echo "See $0 --help for available options."
1685 exit 1
1686 }
1687
1688 show_list() {
1689 suffix=_$1
1690 shift
1691 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1692 exit 0
1693 }
1694
1695 for opt do
1696 optval="${opt#*=}"
1697 case "$opt" in
1698 --extra-ldflags=*) add_ldflags $optval
1699 ;;
1700 --extra-libs=*) add_extralibs $optval
1701 ;;
1702 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1703 ;;
1704 --enable-debug=*) debuglevel="$optval"
1705 ;;
1706 --disable-everything)
1707 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1708 ;;
1709 --enable-*=*|--disable-*=*)
1710 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1711 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1712 eval list=\$$(toupper $thing)_LIST
1713 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1714 $action $(filter "$name" $list)
1715 ;;
1716 --enable-?*|--disable-?*)
1717 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1718 if is_in $option $COMPONENT_LIST; then
1719 test $action = disable && action=unset
1720 eval $action \$$(toupper ${option%s})_LIST
1721 elif is_in $option $CMDLINE_SELECT; then
1722 $action $option
1723 else
1724 die_unknown $opt
1725 fi
1726 ;;
1727 --list-*)
1728 NAME="${opt#--list-}"
1729 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1730 NAME=${NAME%s}
1731 eval show_list $NAME \$$(toupper $NAME)_LIST
1732 ;;
1733 --help|-h) show_help
1734 ;;
1735 *)
1736 optname="${opt%%=*}"
1737 optname="${optname#--}"
1738 optname=$(echo "$optname" | sed 's/-/_/g')
1739 if is_in $optname $CMDLINE_SET; then
1740 eval $optname='$optval'
1741 elif is_in $optname $CMDLINE_APPEND; then
1742 append $optname "$optval"
1743 else
1744 die_unknown $opt
1745 fi
1746 ;;
1747 esac
1748 done
1749
1750 disabled logging && logfile=/dev/null
1751
1752 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1753 set >> $logfile
1754
1755 test -n "$cross_prefix" && enable cross_compile
1756
1757 if enabled cross_compile; then
1758 test -n "$arch" && test -n "$target_os" ||
1759 die "Must specify target arch and OS when cross-compiling"
1760 fi
1761
1762 set_default arch target_os
1763
1764 ar_default="${cross_prefix}${ar_default}"
1765 cc_default="${cross_prefix}${cc_default}"
1766 nm_default="${cross_prefix}${nm_default}"
1767 ranlib="${cross_prefix}${ranlib}"
1768 strip_default="${cross_prefix}${strip_default}"
1769
1770 sysinclude_default="${sysroot}/usr/include"
1771
1772 set_default cc nm strip sysinclude
1773 enabled cross_compile || host_cc_default=$cc
1774 set_default host_cc
1775
1776 exesuf() {
1777 case $1 in
1778 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1779 esac
1780 }
1781
1782 EXESUF=$(exesuf $target_os)
1783 HOSTEXESUF=$(exesuf $host_os)
1784
1785 # set temporary file name
1786 : ${TMPDIR:=$TEMPDIR}
1787 : ${TMPDIR:=$TMP}
1788 : ${TMPDIR:=/tmp}
1789
1790 if ! check_cmd type mktemp; then
1791 # simple replacement for missing mktemp
1792 # NOT SAFE FOR GENERAL USE
1793 mktemp(){
1794 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1795 }
1796 fi
1797
1798 tmpfile(){
1799 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1800 (set -C; exec > $tmp) 2>/dev/null ||
1801 die "Unable to create temporary file in $TMPDIR."
1802 append TMPFILES $tmp
1803 eval $1=$tmp
1804 }
1805
1806 trap 'rm -f -- $TMPFILES' EXIT
1807 trap exit HUP INT TERM
1808
1809 tmpfile TMPC .c
1810 tmpfile TMPE $EXESUF
1811 tmpfile TMPH .h
1812 tmpfile TMPO .o
1813 tmpfile TMPS .S
1814 tmpfile TMPV .ver
1815 tmpfile TMPSH .sh
1816 tmpfile TMPASM .asm
1817
1818 unset -f mktemp
1819
1820 # make sure we can execute files in $TMPDIR
1821 cat > $TMPSH 2>> $logfile <<EOF
1822 #! /bin/sh
1823 EOF
1824 chmod +x $TMPSH >> $logfile 2>&1
1825 if ! $TMPSH >> $logfile 2>&1; then
1826 cat <<EOF
1827 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1828 variable to another directory and make sure that it is not mounted noexec.
1829 EOF
1830 die "Sanity test failed."
1831 fi
1832
1833 filter_cflags=echo
1834 filter_cppflags=echo
1835 filter_asflags=echo
1836
1837 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1838 cc_type=llvm_gcc
1839 cc_version=__VERSION__
1840 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1841 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1842 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1843 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1844 speed_cflags='-O3'
1845 size_cflags='-Os'
1846 elif $cc -v 2>&1 | grep -qi ^gcc; then
1847 cc_type=gcc
1848 cc_version=__VERSION__
1849 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1850 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1851 if ! $cc -dumpversion | grep -q '^2\.'; then
1852 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1853 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1854 fi
1855 speed_cflags='-O3'
1856 size_cflags='-Os'
1857 elif $cc --version 2>/dev/null | grep -q Intel; then
1858 cc_type=icc
1859 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1860 cc_ident=$($cc --version | head -n1)
1861 icc_version=$($cc -dumpversion)
1862 CC_DEPFLAGS='-MMD'
1863 AS_DEPFLAGS='-MMD'
1864 speed_cflags='-O3'
1865 size_cflags='-Os'
1866 noopt_cflags='-O1'
1867 elif $cc -v 2>&1 | grep -q xlc; then
1868 cc_type=xlc
1869 cc_version="AV_STRINGIFY(__IBMC__)"
1870 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1871 speed_cflags='-O5'
1872 size_cflags='-O5 -qcompact'
1873 elif $cc -V 2>/dev/null | grep -q Compaq; then
1874 cc_type=ccc
1875 cc_version="AV_STRINGIFY(__DECC_VER)"
1876 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1877 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1878 debuglevel=3
1879 add_ldflags -Wl,-z,now # calls to libots crash without this
1880 speed_cflags='-fast'
1881 size_cflags='-O1'
1882 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1883 test -d "$sysroot" || die "No valid sysroot specified."
1884 cc_type=armcc
1885 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1886 cc_ident=$($cc --vsn | head -n1)
1887 armcc_conf="$PWD/armcc.conf"
1888 $cc --arm_linux_configure \
1889 --arm_linux_config_file="$armcc_conf" \
1890 --configure_sysroot="$sysroot" \
1891 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1892 die "Error creating armcc configuration file."
1893 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1894 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1895 as_default="${cross_prefix}gcc"
1896 CC_DEPFLAGS='-MMD'
1897 AS_DEPFLAGS='-MMD'
1898 speed_cflags='-O3'
1899 size_cflags='-Os'
1900 elif $cc -version 2>/dev/null | grep -q TMS470; then
1901 cc_type=tms470
1902 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1903 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1904 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1905 CC_O='-fr=$(@D)'
1906 as_default="${cross_prefix}gcc"
1907 ld_default="${cross_prefix}gcc"
1908 TMPO=$(basename $TMPC .c).o
1909 append TMPFILES $TMPO
1910 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1911 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1912 AS_DEPFLAGS='-MMD'
1913 speed_cflags='-O3 -mf=5'
1914 size_cflags='-O3 -mf=2'
1915 filter_cflags=tms470_flags
1916 tms470_flags(){
1917 for flag; do
1918 case $flag in
1919 -march=*|-mcpu=*)
1920 case "${flag#*=}" in
1921 armv7-a|cortex-a*) echo -mv=7a8 ;;
1922 armv7-r|cortex-r*) echo -mv=7r4 ;;
1923 armv7-m|cortex-m*) echo -mv=7m3 ;;
1924 armv6*|arm11*) echo -mv=6 ;;
1925 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1926 echo -mv=5e ;;
1927 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1928 esac
1929 ;;
1930 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1931 -mfpu=vfp) echo --float_support=vfpv2 ;;
1932 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1933 -msoft-float) echo --float_support=vfplib ;;
1934 -O[0-3]|-mf=*) echo $flag ;;
1935 -g) echo -g -mn ;;
1936 -pds=*) echo $flag ;;
1937 esac
1938 done
1939 }
1940 elif $cc -v 2>&1 | grep -q clang; then
1941 cc_type=clang
1942 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1943 cc_version=__clang_version__ || cc_version=__VERSION__
1944 cc_ident=$($cc --version | head -n1)
1945 CC_DEPFLAGS='-MMD'
1946 AS_DEPFLAGS='-MMD'
1947 speed_cflags='-O3'
1948 size_cflags='-Os'
1949 elif $cc -V 2>&1 | grep -q Sun; then
1950 cc_type=suncc
1951 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1952 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1953 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1954 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1955 speed_cflags='-O5'
1956 size_cflags='-O5 -xspace'
1957 filter_cflags=suncc_flags
1958 suncc_flags(){
1959 for flag; do
1960 case $flag in
1961 -march=*|-mcpu=*)
1962 case "${flag#*=}" in
1963 native) echo -xtarget=native ;;
1964 v9|niagara) echo -xarch=sparc ;;
1965 ultrasparc) echo -xarch=sparcvis ;;
1966 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1967 i586|pentium) echo -xchip=pentium ;;
1968 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1969 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1970 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1971 pentium4*) echo -xtarget=pentium4 ;;
1972 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1973 *-sse3) echo -xarch=sse3 ;;
1974 core2) echo -xarch=ssse3 -xchip=core2 ;;
1975 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1976 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1977 k8|opteron|athlon64|athlon-fx)
1978 echo -xarch=sse2a ;;
1979 athlon*) echo -xarch=pentium_proa ;;
1980 esac
1981 ;;
1982 -std=c99) echo -xc99 ;;
1983 -fomit-frame-pointer) echo -xregs=frameptr ;;
1984 -fPIC) echo -KPIC -xcode=pic32 ;;
1985 -W*,*) echo $flag ;;
1986 -f*-*|-W*) ;;
1987 *) echo $flag ;;
1988 esac
1989 done
1990 }
1991 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1992 cc_type=pathscale
1993 cc_version=__PATHSCALE__
1994 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1995 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1996 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1997 speed_cflags='-O2'
1998 size_cflags='-Os'
1999 elif $cc -v 2>&1 | grep -q Open64; then
2000 cc_type=open64
2001 cc_version=__OPEN64__
2002 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2003 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2005 speed_cflags='-O2'
2006 size_cflags='-Os'
2007 fi
2008
2009 test -n "$cc_type" && enable $cc_type ||
2010 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2011
2012 : ${as_default:=$cc}
2013 : ${dep_cc_default:=$cc}
2014 : ${ld_default:=$cc}
2015 set_default ar as dep_cc ld
2016
2017 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2018 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2019
2020 add_cflags $extra_cflags
2021 add_asflags $extra_cflags
2022
2023 if test -n "$sysroot"; then
2024 case "$cc_type" in
2025 gcc|llvm_gcc)
2026 add_cppflags --sysroot="$sysroot"
2027 add_ldflags --sysroot="$sysroot"
2028 ;;
2029 tms470)
2030 add_cppflags -I"$sysinclude"
2031 add_ldflags --sysroot="$sysroot"
2032 ;;
2033 clang)
2034 add_cppflags -isysroot "$sysroot"
2035 add_ldflags -isysroot "$sysroot"
2036 ;;
2037 esac
2038 fi
2039
2040 if test "$cpu" = host; then
2041 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2042
2043 case "$cc_type" in
2044 gcc|llvm_gcc)
2045 check_native(){
2046 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2047 sed -n "/$1=/{
2048 s/.*$1=\\([^ ]*\\).*/\\1/
2049 p
2050 q
2051 }" $TMPE
2052 }
2053 cpu=$(check_native -march || check_native -mcpu)
2054 ;;
2055 esac
2056
2057 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2058 fi
2059
2060 # Deal with common $arch aliases
2061 case "$arch" in
2062 arm*)
2063 arch="arm"
2064 ;;
2065 mips|mipsel|IP*)
2066 arch="mips"
2067 ;;
2068 mips64*)
2069 arch="mips"
2070 subarch="mips64"
2071 ;;
2072 parisc|hppa)
2073 arch="parisc"
2074 ;;
2075 parisc64|hppa64)
2076 arch="parisc"
2077 subarch="parisc64"
2078 ;;
2079 "Power Macintosh"|ppc|powerpc)
2080 arch="ppc"
2081 ;;
2082 ppc64|powerpc64)
2083 arch="ppc"
2084 subarch="ppc64"
2085 ;;
2086 s390|s390x)
2087 arch="s390"
2088 ;;
2089 sh4|sh)
2090 arch="sh4"
2091 ;;
2092 sun4u|sparc64)
2093 arch="sparc"
2094 subarch="sparc64"
2095 ;;
2096 i[3-6]86|i86pc|BePC|x86_64|amd64)
2097 arch="x86"
2098 ;;
2099 esac
2100
2101 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2102 enable $arch
2103
2104 # Add processor-specific flags
2105 if test "$cpu" = generic; then
2106 : do nothing
2107 elif enabled ppc; then
2108
2109 case $(tolower $cpu) in
2110 601|ppc601|powerpc601)
2111 cpuflags="-mcpu=601"
2112 disable altivec
2113 ;;
2114 603*|ppc603*|powerpc603*)
2115 cpuflags="-mcpu=603"
2116 disable altivec
2117 ;;
2118 604*|ppc604*|powerpc604*)
2119 cpuflags="-mcpu=604"
2120 disable altivec
2121 ;;
2122 g3|75*|ppc75*|powerpc75*)
2123 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2124 disable altivec
2125 ;;
2126 g4|745*|ppc745*|powerpc745*)
2127 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2128 ;;
2129 74*|ppc74*|powerpc74*)
2130 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2131 ;;
2132 g5|970|ppc970|powerpc970|power4*)
2133 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2134 ;;
2135 cell)
2136 cpuflags="-mcpu=cell"
2137 enable ldbrx
2138 ;;
2139 e500v2)
2140 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2141 disable altivec
2142 ;;
2143 e500)
2144 cpuflags="-mcpu=8540 -mhard-float"
2145 disable altivec
2146 ;;
2147 esac
2148
2149 elif enabled x86; then
2150
2151 case $cpu in
2152 i[345]86|pentium)
2153 cpuflags="-march=$cpu"
2154 disable mmx
2155 ;;
2156 # targets that do NOT support conditional mov (cmov)
2157 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2158 cpuflags="-march=$cpu"
2159 disable cmov
2160 ;;
2161 # targets that do support conditional mov (cmov)
2162 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2163 cpuflags="-march=$cpu"
2164 enable cmov
2165 enable fast_cmov
2166 ;;
2167 # targets that do support conditional mov but on which it's slow
2168 pentium4|pentium4m|prescott|nocona)
2169 cpuflags="-march=$cpu"
2170 enable cmov
2171 disable fast_cmov
2172 ;;
2173 esac
2174
2175 elif enabled sparc; then
2176
2177 case $cpu in
2178 niagara)
2179 cpuflags="-mcpu=$cpu"
2180 disable vis
2181 ;;
2182 sparc64)
2183 cpuflags="-mcpu=v9"
2184 ;;
2185 esac
2186
2187 elif enabled arm; then
2188
2189 case $cpu in
2190 armv*)
2191 cpuflags="-march=$cpu"
2192 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2193 ;;
2194 *)
2195 cpuflags="-mcpu=$cpu"
2196 case $cpu in
2197 cortex-a*) subarch=armv7a ;;
2198 cortex-r*) subarch=armv7r ;;
2199 cortex-m*) subarch=armv7m ;;
2200 arm11*) subarch=armv6 ;;
2201 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2202 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2203 esac
2204 ;;
2205 esac
2206
2207 elif enabled alpha; then
2208
2209 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2210
2211 elif enabled bfin; then
2212
2213 cpuflags="-mcpu=$cpu"
2214
2215 elif enabled mips; then
2216
2217 cpuflags="-march=$cpu"
2218
2219 elif enabled avr32; then
2220
2221 case $cpu in
2222 ap7[02]0[0-2])
2223 subarch="avr32_ap"
2224 cpuflags="-mpart=$cpu"
2225 ;;
2226 ap)
2227 subarch="avr32_ap"
2228 cpuflags="-march=$cpu"
2229 ;;
2230 uc3[ab]*)
2231 subarch="avr32_uc"
2232 cpuflags="-mcpu=$cpu"
2233 ;;
2234 uc)
2235 subarch="avr32_uc"
2236 cpuflags="-march=$cpu"
2237 ;;
2238 esac
2239
2240 fi
2241
2242 add_cflags $cpuflags
2243 add_asflags $cpuflags
2244
2245 # compiler sanity check
2246 check_exec <<EOF
2247 int main(void){ return 0; }
2248 EOF
2249 if test "$?" != 0; then
2250 echo "$cc is unable to create an executable file."
2251 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2252 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2253 echo "Only do this if you know what cross compiling means."
2254 fi
2255 die "C compiler test failed."
2256 fi
2257
2258 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2259 check_cflags -std=c99
2260 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2261 #include <stdlib.h>
2262 EOF
2263 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2264 #include <stdlib.h>
2265 EOF
2266
2267 check_host_cflags -std=c99
2268
2269 case "$arch" in
2270 alpha|ia64|mips|parisc|sparc)
2271 spic=$shared
2272 ;;
2273 x86)
2274 subarch="x86_32"
2275 check_cc <<EOF && subarch="x86_64"
2276 int test[(int)sizeof(char*) - 7];
2277 EOF
2278 if test "$subarch" = "x86_64"; then
2279 spic=$shared
2280 fi
2281 ;;
2282 esac
2283
2284 enable $subarch
2285 enabled spic && enable pic
2286
2287 # OS specific
2288 case $target_os in
2289 haiku)
2290 prefix_default="/boot/common"
2291 network_extralibs="-lnetwork"
2292 ;;
2293 sunos)
2294 FFSERVERLDFLAGS=""
2295 SHFLAGS='-shared -Wl,-h,$$(@F)'
2296 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2297 network_extralibs="-lsocket -lnsl"
2298 add_cppflags -D__EXTENSIONS__
2299 nm_opts='-P -g'
2300 ;;
2301 netbsd)
2302 oss_indev_extralibs="-lossaudio"
2303 oss_outdev_extralibs="-lossaudio"
2304 add_cppflags -D_XOPEN_SOURCE=600
2305 ;;
2306 openbsd)
2307 enable malloc_aligned
2308 # On OpenBSD 4.5. the compiler does not use PIC unless
2309 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2310 # however the generated executable will not do anything
2311 # (simply quits with exit-code 1, no crash, no output).
2312 # Thus explicitly enable PIC here.
2313 enable pic
2314 SHFLAGS='-shared'
2315 oss_indev_extralibs="-lossaudio"
2316 oss_outdev_extralibs="-lossaudio"
2317 ;;
2318 freebsd|dragonfly)
2319 enable malloc_aligned
2320 ;;
2321 bsd/os)
2322 add_extralibs -lpoll -lgnugetopt
2323 strip="strip -d"
2324 ;;
2325 darwin)
2326 enable malloc_aligned
2327 gas="gas-preprocessor.pl $cc"
2328 enabled ppc && add_asflags -force_cpusubtype_ALL
2329 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2330 strip="${strip} -x"
2331 add_ldflags -Wl,-dynamic,-search_paths_first
2332 SLIBSUF=".dylib"
2333 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2334 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2335 FFSERVERLDFLAGS=-Wl,-bind_at_load
2336 objformat="macho"
2337 enabled x86_64 && objformat="macho64"
2338 enabled_any pic shared ||
2339 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2340 ;;
2341 mingw32*)
2342 if test $target_os = "mingw32ce"; then
2343 disable network
2344 else
2345 target_os=mingw32
2346 fi
2347 LIBTARGET=i386
2348 if enabled x86_64; then
2349 enable malloc_aligned
2350 LIBTARGET=x64
2351 elif enabled arm; then
2352 LIBTARGET=arm
2353 fi
2354 shlibdir_default="$bindir_default"
2355 disable ffserver
2356 SLIBPREF=""
2357 SLIBSUF=".dll"
2358 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2359 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2360 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2361 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2362 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2363 install -d "$(LIBDIR)"; \
2364 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2365 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2366 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'
2367 objformat="win32"
2368 enable dos_paths
2369 check_cflags -fno-common
2370 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2371 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2372 die "ERROR: MinGW runtime version must be >= 3.15."
2373 ;;
2374 cygwin*)
2375 target_os=cygwin
2376 shlibdir_default="$bindir_default"
2377 SLIBPREF="cyg"
2378 SLIBSUF=".dll"
2379 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2380 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2381 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2382 objformat="win32"
2383 enable dos_paths
2384 check_cflags -fno-common
2385 ;;
2386 *-dos|freedos|opendos)
2387 disable ffplay ffserver
2388 disable $INDEV_LIST $OUTDEV_LIST
2389 network_extralibs="-lsocket"
2390 objformat="coff"
2391 enable dos_paths
2392 ;;
2393 linux)
2394 enable dv1394
2395 ;;
2396 irix*)
2397 target_os=irix
2398 ranlib="echo ignoring ranlib"
2399 ;;
2400 os/2*)
2401 strip="lxlite"
2402 ln_s="cp -f"
2403 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2404 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2405 FFSERVERLDFLAGS=""
2406 LIBSUF="_s.a"
2407 SLIBPREF=""
2408 SLIBSUF=".dll"
2409 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2410 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2411 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2412 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2413 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2414 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2415 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2416 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2417 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2418 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2419 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2420 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2421 enable dos_paths
2422 ;;
2423 gnu/kfreebsd)
2424 ;;
2425 gnu)
2426 ;;
2427 none)
2428 ;;
2429 *)
2430 die "Unknown OS '$target_os'."
2431 ;;
2432 esac
2433
2434 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2435
2436 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2437
2438 set_default $PATHS_LIST
2439
2440 # we need to build at least one lib type
2441 if ! enabled_any static shared; then
2442 cat <<EOF
2443 At least one library type must be built.
2444 Specify --enable-static to build the static libraries or --enable-shared to
2445 build the shared libraries as well. To only build the shared libraries specify
2446 --disable-static in addition to --enable-shared.
2447 EOF
2448 exit 1;
2449 fi
2450
2451 disabled static && LIBNAME=""
2452
2453 die_license_disabled() {
2454 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2455 }
2456
2457 die_license_disabled gpl libx264
2458 die_license_disabled gpl libxavs
2459 die_license_disabled gpl libxvid
2460 die_license_disabled gpl postproc
2461 die_license_disabled gpl x11grab
2462
2463 die_license_disabled nonfree libfaac
2464
2465 die_license_disabled version3 libopencore_amrnb
2466 die_license_disabled version3 libopencore_amrwb
2467
2468 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2469
2470 check_deps $ARCH_EXT_LIST
2471
2472 disabled optimizations || check_cflags -fomit-frame-pointer
2473
2474 enable_pic() {
2475 enable pic
2476 add_cppflags -DPIC
2477 add_cflags -fPIC
2478 add_asflags -fPIC
2479 }
2480
2481 enabled pic && enable_pic
2482
2483 check_cc <<EOF || die "Symbol mangling check failed."
2484 int ff_extern;
2485 EOF
2486 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2487 extern_prefix=${sym%%ff_extern*}
2488
2489 check_cc <<EOF && enable inline_asm
2490 void foo(void) { __asm__ volatile ("" ::); }
2491 EOF
2492
2493 _restrict=
2494 for restrict_keyword in restrict __restrict__ __restrict; do
2495 check_cc <<EOF && _restrict=$restrict_keyword && break
2496 void foo(char * $restrict_keyword p);
2497 EOF
2498 done
2499
2500 check_cc <<EOF && enable attribute_packed
2501 struct { int x; } __attribute__((packed)) x;
2502 EOF
2503
2504 check_cc <<EOF && enable attribute_may_alias
2505 union { int x; } __attribute__((may_alias)) x;
2506 EOF
2507
2508 check_cc <<EOF || die "endian test failed"
2509 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2510 EOF
2511 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2512
2513 if enabled alpha; then
2514
2515 check_cflags -mieee
2516
2517 elif enabled arm; then
2518
2519 check_cflags -marm
2520 nogas=die
2521
2522 check_ld <<EOF && enable vfp_args
2523 __asm__ (".eabi_attribute 28, 1");
2524 int main(void) { return 0; }
2525 EOF
2526
2527 # We have to check if pld is a nop and disable it.
2528 check_asm pld '"pld [r0]"'
2529
2530 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2531 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2532 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2533 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2534 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2535 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2536
2537 enabled_all armv6t2 shared !pic && enable_pic
2538
2539 elif enabled mips; then
2540
2541 check_asm loongson '"dmult.g $1, $2, $3"'
2542 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2543
2544 elif enabled ppc; then
2545
2546 enable local_aligned_8 local_aligned_16
2547
2548 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2549 check_asm ibm_asm '"add 0, 0, 0"'
2550 check_asm ppc4xx '"maclhw r10, r11, r12"'
2551 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2552
2553 # AltiVec flags: The FSF version of GCC differs from the Apple version
2554 if enabled altivec; then
2555 nogas=warn
2556 check_cflags -maltivec -mabi=altivec &&
2557 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2558 check_cflags -faltivec
2559
2560 # check if our compiler supports Motorola AltiVec C API
2561 check_cc <<EOF || disable altivec
2562 $inc_altivec_h
2563 int main(void) {
2564 vector signed int v1, v2, v3;
2565 v1 = vec_add(v2,v3);
2566 return 0;
2567 }
2568 EOF
2569
2570 # check if our compiler supports braces for vector declarations
2571 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2572 $inc_altivec_h
2573 int main (void) { (vector int) {1}; return 0; }
2574 EOF
2575 fi
2576
2577 elif enabled sparc; then
2578
2579 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2580 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2581
2582 elif enabled x86; then
2583
2584 enable local_aligned_8 local_aligned_16
2585
2586 # check whether EBP is available on x86
2587 # As 'i' is stored on the stack, this program will crash
2588 # if the base pointer is used to access it because the
2589 # base pointer is cleared in the inline assembly code.
2590 check_exec_crash <<EOF && enable ebp_available
2591 volatile int i=0;
2592 __asm__ volatile (
2593 "xorl %%ebp, %%ebp"
2594 ::: "%ebp");
2595 return i;
2596 EOF
2597
2598 # check whether EBX is available on x86
2599 check_asm ebx_available '""::"b"(0)' &&
2600 check_asm ebx_available '"":::"%ebx"'
2601
2602 # check whether xmm clobbers are supported
2603 check_asm xmm_clobbers '"":::"%xmm0"'
2604
2605 # check whether more than 10 operands are supported
2606 check_cc <<EOF && enable ten_operands
2607 int main(void) {
2608 int x=0;
2609 __asm__ volatile(
2610 ""
2611 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2612 );
2613 return 0;
2614 }
2615 EOF
2616
2617 # check whether binutils is new enough to compile SSSE3/MMX2
2618 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2619 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2620
2621 check_asm bswap '"bswap %%eax" ::: "%eax"'
2622
2623 if ! disabled_any asm mmx yasm; then
2624 if check_cmd $yasmexe --version; then
2625 enabled x86_64 && yasm_extra="-m amd64"
2626 yasm_debug="-g dwarf2"
2627 elif check_cmd nasm -v; then
2628 yasmexe=nasm
2629 yasm_debug="-g -F dwarf"
2630 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2631 fi
2632
2633 YASMFLAGS="-f $objformat $yasm_extra"
2634 enabled pic && append YASMFLAGS "-DPIC"
2635 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2636 case "$objformat" in
2637 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2638 esac
2639
2640 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2641 die "yasm not found, use --disable-yasm for a crippled build"
2642 fi
2643
2644 case "$cpu" in
2645 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2646 disable fast_clz
2647 ;;
2648 esac
2649
2650 fi
2651
2652 if enabled asm; then
2653 as=${gas:=$as}
2654 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2655 $nogas "GNU assembler not found, install gas-preprocessor"
2656 fi
2657
2658 if check_func dlopen; then
2659 ldl=
2660 elif check_func dlopen -ldl; then
2661 ldl=-ldl
2662 fi
2663
2664 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2665 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2666
2667 check_func fcntl
2668 check_func fork
2669 check_func getaddrinfo $network_extralibs
2670 check_func gethrtime
2671 check_func getrusage
2672 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2673 check_func inet_aton $network_extralibs
2674 check_func isatty
2675 check_func ${malloc_prefix}memalign && enable memalign
2676 check_func mkstemp
2677 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2678 check_func setrlimit
2679 check_func strerror_r
2680 check_func strtok_r
2681 check_func_headers io.h setmode
2682 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2683 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2684 check_func_headers windows.h GetProcessTimes
2685 check_func_headers windows.h VirtualAlloc
2686
2687 check_header conio.h
2688 check_header dlfcn.h
2689 check_header dxva2api.h
2690 check_header malloc.h
2691 check_header poll.h
2692 check_header sys/mman.h
2693 check_header sys/resource.h
2694 check_header sys/select.h
2695 check_header termios.h
2696 check_header vdpau/vdpau.h
2697 check_header vdpau/vdpau_x11.h
2698 check_header X11/extensions/XvMClib.h
2699
2700 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2701
2702 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2703 enabled_any $need_memalign ; then
2704 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2705 fi
2706
2707 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2708 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2709
2710 # check for some common methods of building with pthread support
2711 # do this before the optional library checks as some of them require pthreads
2712 if ! disabled pthreads && ! enabled w32threads; then
2713 enable pthreads
2714 if check_func pthread_create; then
2715 :
2716 elif check_func pthread_create -pthread; then
2717 add_cflags -pthread
2718 add_extralibs -pthread
2719 elif check_func pthread_create -pthreads; then
2720 add_cflags -pthreads
2721 add_extralibs -pthreads
2722 elif check_func pthread_create -lpthreadGC2; then
2723 add_extralibs -lpthreadGC2
2724 elif ! check_lib pthread.h pthread_create -lpthread; then
2725 disable pthreads
2726 fi
2727 fi
2728
2729 for thread in $THREADS_LIST; do
2730 if enabled $thread; then
2731 test -n "$thread_type" &&
2732 die "ERROR: Only one thread type must be selected." ||
2733 thread_type="$thread"
2734 fi
2735 done
2736
2737 check_lib math.h sin -lm
2738 disabled vaapi || check_lib va/va.h vaInitialize -lva
2739
2740 check_mathfunc exp2
2741 check_mathfunc exp2f
2742 check_mathfunc llrint
2743 check_mathfunc llrintf
2744 check_mathfunc log2
2745 check_mathfunc log2f
2746 check_mathfunc lrint
2747 check_mathfunc lrintf
2748 check_mathfunc round
2749 check_mathfunc roundf
2750 check_mathfunc truncf
2751
2752 # these are off by default, so fail if requested and not available
2753 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2754 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2755 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2756 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2757 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2758 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2759 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2760 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2761 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2762 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2763 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2764 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2765 die "ERROR: libopencv not found"; }
2766 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2767 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2768 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2769 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2770 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2771 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2772 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2773 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2774 enabled libvpx && {
2775 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2776 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2777 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2778 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2779 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2780 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2781 die "ERROR: libx264 version must be >= 0.99."; }
2782 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2783 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2784 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2785
2786 # libdc1394 check
2787 if enabled libdc1394; then
2788 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2789 enable libdc1394_2; } ||
2790 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2791 enable libdc1394_1; } ||
2792 die "ERROR: No version of libdc1394 found "
2793 fi
2794
2795 SDL_CONFIG="${cross_prefix}sdl-config"
2796 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2797 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2798 sdl_libs=$("${SDL_CONFIG}" --libs)
2799 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2800 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2801 enable sdl &&
2802 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2803 fi
2804
2805 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2806
2807 if enabled network; then
2808 check_type "sys/types.h sys/socket.h" socklen_t
2809 check_type netdb.h "struct addrinfo"
2810 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2811 check_type netinet/in.h "struct sockaddr_in6"
2812 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2813 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2814 # Prefer arpa/inet.h over winsock2
2815 if check_header arpa/inet.h ; then
2816 check_func closesocket
2817 elif check_header winsock2.h ; then
2818 check_func_headers winsock2.h closesocket -lws2 && \
2819 network_extralibs="-lws2" || \
2820 { check_func_headers winsock2.h closesocket -lws2_32 && \
2821 network_extralibs="-lws2_32"; }
2822 check_type ws2tcpip.h socklen_t
2823 check_type ws2tcpip.h "struct addrinfo"
2824 check_type ws2tcpip.h "struct ipv6_mreq"
2825 check_type ws2tcpip.h "struct sockaddr_in6"
2826 check_type ws2tcpip.h "struct sockaddr_storage"
2827 check_struct winsock2.h "struct sockaddr" sa_len
2828 else
2829 disable network
2830 fi
2831 fi
2832
2833 check_header linux/videodev.h
2834 check_header linux/videodev2.h
2835 check_header sys/videoio.h
2836
2837 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2838 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2839 # w32api 3.12 had it defined wrong
2840 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2841
2842 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2843 { check_header dev/bktr/ioctl_meteor.h &&
2844 check_header dev/bktr/ioctl_bt848.h; } ||
2845 { check_header machine/ioctl_meteor.h &&
2846 check_header machine/ioctl_bt848.h; } ||
2847 { check_header dev/video/meteor/ioctl_meteor.h &&
2848 check_header dev/video/bktr/ioctl_bt848.h; } ||
2849 check_header dev/ic/bt8xx.h
2850
2851 check_header sys/soundcard.h
2852 check_header soundcard.h
2853
2854 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2855
2856 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2857
2858 enabled x11grab &&
2859 check_header X11/Xlib.h &&
2860 check_header X11/extensions/XShm.h &&
2861 check_header X11/extensions/Xfixes.h &&
2862 check_func XOpenDisplay -lX11 &&
2863 check_func XShmCreateImage -lX11 -lXext &&
2864 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2865
2866 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2867 check_cpp_condition \
2868 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2869 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2870 disable vdpau; }
2871 fi
2872
2873 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2874
2875 # add some useful compiler flags if supported
2876 check_cflags -Wdeclaration-after-statement
2877 check_cflags -Wall
2878 check_cflags -Wno-parentheses
2879 check_cflags -Wno-switch
2880 check_cflags -Wdisabled-optimization
2881 check_cflags -Wpointer-arith
2882 check_cflags -Wredundant-decls
2883 check_cflags -Wno-pointer-sign
2884 check_cflags -Wcast-qual
2885 check_cflags -Wwrite-strings
2886 check_cflags -Wtype-limits
2887 check_cflags -Wundef
2888 check_cflags -Wmissing-prototypes
2889 enabled extra_warnings && check_cflags -Winline
2890
2891 # add some linker flags
2892 check_ldflags -Wl,--warn-common
2893 check_ldflags -Wl,--as-needed
2894 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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2895 check_ldflags -Wl,-Bsymbolic
2896
2897 echo "X{};" > $TMPV
2898 if test_ldflags -Wl,--version-script,$TMPV; then
2899 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2900 check_cc <<EOF && enable symver_asm_label
2901 void ff_foo(void) __asm__ ("av_foo@VERSION");
2902 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2903 EOF
2904 check_cc <<EOF && enable symver_gnu_asm
2905 __asm__(".symver ff_foo,av_foo@VERSION");
2906 void ff_foo(void) {}
2907 EOF
2908 fi
2909
2910 if enabled small; then
2911 add_cflags $size_cflags
2912 optimizations="small"
2913 elif enabled optimizations; then
2914 add_cflags $speed_cflags
2915 else
2916 add_cflags $noopt_cflags
2917 fi
2918 check_cflags -fno-math-errno
2919 check_cflags -fno-signed-zeros
2920
2921 if enabled icc; then
2922 # Just warnings, no remarks
2923 check_cflags -w1
2924 # -wd: Disable following warnings
2925 # 144, 167, 556: -Wno-pointer-sign
2926 # 10006: ignoring unknown option -fno-signed-zeros
2927 # 10148: ignoring unknown option -Wno-parentheses
2928 # 10156: ignoring option '-W'; no argument required
2929 check_cflags -wd144,167,556,10006,10148,10156
2930 # 11030: Warning unknown option --as-needed
2931 # 10156: ignoring option '-export'; no argument required
2932 check_ldflags -wd10156,11030
2933 # Allow to compile with optimizations
2934 check_ldflags -march=$cpu
2935 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2936 enable ebp_available
2937 if enabled x86_32; then
2938 test ${icc_version%%.*} -ge 11 && \
2939 check_cflags -falign-stack=maintain-16-byte || \
2940 disable aligned_stack
2941 fi
2942 elif enabled ccc; then
2943 # disable some annoying warnings
2944 add_cflags -msg_disable cvtu32to64
2945 add_cflags -msg_disable embedcomment
2946 add_cflags -msg_disable needconstext
2947 add_cflags -msg_disable nomainieee
2948 add_cflags -msg_disable ptrmismatch1
2949 add_cflags -msg_disable unreachcode
2950 elif enabled gcc; then
2951 check_cflags -fno-tree-vectorize
2952 check_cflags -Werror=implicit-function-declaration
2953 check_cflags -Werror=missing-prototypes
2954 elif enabled llvm_gcc; then
2955 check_cflags -mllvm -stack-alignment=16
2956 elif enabled clang; then
2957 check_cflags -mllvm -stack-alignment=16
2958 check_cflags -Qunused-arguments
2959 elif enabled armcc; then
2960 # 2523: use of inline assembler is deprecated
2961 add_cflags -W${armcc_opt},--diag_suppress=2523
2962 add_cflags -W${armcc_opt},--diag_suppress=1207
2963 elif enabled tms470; then
2964 add_cflags -pds=824 -pds=837
2965 fi
2966
2967 enabled_any $THREADS_LIST && enable threads
2968
2969 check_deps $CONFIG_LIST \
2970 $CONFIG_EXTRA \
2971 $HAVE_LIST \
2972 $DECODER_LIST \
2973 $ENCODER_LIST \
2974 $HWACCEL_LIST \
2975 $PARSER_LIST \
2976 $BSF_LIST \
2977 $DEMUXER_LIST \
2978 $MUXER_LIST \
2979 $FILTER_LIST \
2980 $INDEV_LIST \
2981 $OUTDEV_LIST \
2982 $PROTOCOL_LIST \
2983 $ACODEC_TESTS \
2984 $VCODEC_TESTS \
2985 $LAVF_TESTS \
2986 $LAVFI_TESTS \
2987 $SEEK_TESTS \
2988
2989 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2990
2991 echo "install prefix $prefix"
2992 echo "source path $source_path"
2993 echo "C compiler $cc"
2994 echo "ARCH $arch ($cpu)"
2995 if test "$build_suffix" != ""; then
2996 echo "build suffix $build_suffix"
2997 fi
2998 if test "$extra_version" != ""; then
2999 echo "version string suffix $extra_version"
3000 fi
3001 echo "big-endian ${bigendian-no}"
3002 echo "runtime cpu detection ${runtime_cpudetect-no}"
3003 if enabled x86; then
3004 echo "yasm ${yasm-no}"
3005 echo "MMX enabled ${mmx-no}"
3006 echo "MMX2 enabled ${mmx2-no}"
3007 echo "3DNow! enabled ${amd3dnow-no}"
3008 echo "3DNow! extended enabled ${amd3dnowext-no}"
3009 echo "SSE enabled ${sse-no}"
3010 echo "SSSE3 enabled ${ssse3-no}"
3011 echo "CMOV enabled ${cmov-no}"
3012 echo "CMOV is fast ${fast_cmov-no}"
3013 echo "EBX available ${ebx_available-no}"
3014 echo "EBP available ${ebp_available-no}"
3015 echo "10 operands supported ${ten_operands-no}"
3016 fi
3017 if enabled arm; then
3018 echo "ARMv5TE enabled ${armv5te-no}"
3019 echo "ARMv6 enabled ${armv6-no}"
3020 echo "ARMv6T2 enabled ${armv6t2-no}"
3021 echo "ARM VFP enabled ${armvfp-no}"
3022 echo "IWMMXT enabled ${iwmmxt-no}"
3023 echo "NEON enabled ${neon-no}"
3024 fi
3025 if enabled mips; then
3026 echo "MMI enabled ${mmi-no}"
3027 fi
3028 if enabled ppc; then
3029 echo "AltiVec enabled ${altivec-no}"
3030 echo "PPC 4xx optimizations ${ppc4xx-no}"
3031 echo "dcbzl available ${dcbzl-no}"
3032 fi
3033 if enabled sparc; then
3034 echo "VIS enabled ${vis-no}"
3035 fi
3036 echo "debug symbols ${debug-no}"
3037 echo "strip symbols ${stripping-no}"
3038 echo "optimizations ${optimizations-no}"
3039 echo "static ${static-no}"
3040 echo "shared ${shared-no}"
3041 echo "postprocessing support ${postproc-no}"
3042 echo "new filter support ${avfilter-no}"
3043 echo "network support ${network-no}"
3044 echo "threading support ${thread_type-no}"
3045 echo "SDL support ${sdl-no}"
3046 echo "Sun medialib support ${mlib-no}"
3047 echo "AVISynth enabled ${avisynth-no}"
3048 echo "frei0r enabled ${frei0r-no}"
3049 echo "libdc1394 support ${libdc1394-no}"
3050 echo "libdirac enabled ${libdirac-no}"
3051 echo "libfaac enabled ${libfaac-no}"
3052 echo "libgsm enabled ${libgsm-no}"
3053 echo "libmp3lame enabled ${libmp3lame-no}"
3054 echo "libnut enabled ${libnut-no}"
3055 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3056 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3057 echo "libopencv support ${libopencv-no}"
3058 echo "libopenjpeg enabled ${libopenjpeg-no}"
3059 echo "librtmp enabled ${librtmp-no}"
3060 echo "libschroedinger enabled ${libschroedinger-no}"
3061 echo "libspeex enabled ${libspeex-no}"
3062 echo "libtheora enabled ${libtheora-no}"
3063 echo "libvorbis enabled ${libvorbis-no}"
3064 echo "libvpx enabled ${libvpx-no}"
3065 echo "libx264 enabled ${libx264-no}"
3066 echo "libxavs enabled ${libxavs-no}"
3067 echo "libxvid enabled ${libxvid-no}"
3068 echo "zlib enabled ${zlib-no}"
3069 echo "bzlib enabled ${bzlib-no}"
3070 echo
3071
3072 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3073 echo "Enabled ${type}s:"
3074 eval list=\$$(toupper $type)_LIST
3075 print_enabled '_*' $list | sort | pr -3 -t
3076 echo
3077 done
3078
3079 license="LGPL version 2.1 or later"
3080 if enabled nonfree; then
3081 license="nonfree and unredistributable"
3082 elif enabled gplv3; then
3083 license="GPL version 3 or later"
3084 elif enabled lgplv3; then
3085 license="LGPL version 3 or later"
3086 elif enabled gpl; then
3087 license="GPL version 2 or later"
3088 fi
3089
3090 echo "License: $license"
3091
3092 echo "Creating config.mak and config.h..."
3093
3094 # build tree in object directory if source path is different from current one
3095 if enabled source_path_used; then
3096 DIRS="
3097 doc
3098 libavcodec
3099 libavcodec/$arch
3100 libavcore
3101 libavdevice
3102 libavfilter
3103 libavfilter/$arch
3104 libavformat
3105 libavutil
3106 libavutil/$arch
3107 libpostproc
3108 libswscale
3109 libswscale/$arch
3110 tests
3111 tools
3112 "
3113 FILES="
3114 Makefile
3115 common.mak
3116 subdir.mak
3117 doc/texi2pod.pl
3118 libavcodec/Makefile
3119 libavcodec/${arch}/Makefile
3120 libavcore/Makefile
3121 libavdevice/Makefile
3122 libavfilter/Makefile
3123 libavfilter/${arch}/Makefile
3124 libavformat/Makefile
3125 libavutil/Makefile
3126 libpostproc/Makefile
3127 libswscale/Makefile
3128 "
3129 map 'mkdir -p $v' $DIRS;
3130 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3131 fi
3132
3133 enabled stripping || strip="echo skipping strip"
3134
3135 config_files="$TMPH config.mak"
3136
3137 cat > config.mak <<EOF
3138 # Automatically generated by configure - do not modify!
3139 ifndef FFMPEG_CONFIG_MAK
3140 FFMPEG_CONFIG_MAK=1
3141 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3142 prefix=$prefix
3143 LIBDIR=\$(DESTDIR)$libdir
3144 SHLIBDIR=\$(DESTDIR)$shlibdir
3145 INCDIR=\$(DESTDIR)$incdir
3146 BINDIR=\$(DESTDIR)$bindir
3147 DATADIR=\$(DESTDIR)$datadir
3148 MANDIR=\$(DESTDIR)$mandir
3149 SRC_PATH="$source_path"
3150 SRC_PATH_BARE=$source_path
3151 BUILD_ROOT="$PWD"
3152 CC_IDENT=$cc_ident
3153 ARCH=$arch
3154 CC=$cc
3155 AS=$as
3156 LD=$ld
3157 DEPCC=$dep_cc
3158 YASM=$yasmexe
3159 YASMDEP=$yasmexe
3160 AR=$ar
3161 RANLIB=$ranlib
3162 CP=cp -p
3163 LN_S=$ln_s
3164 STRIP=$strip
3165 CPPFLAGS=$CPPFLAGS
3166 CFLAGS=$CFLAGS
3167 ASFLAGS=$ASFLAGS
3168 CC_O=$CC_O
3169 LDFLAGS=$LDFLAGS
3170 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3171 SHFLAGS=$SHFLAGS
3172 YASMFLAGS=$YASMFLAGS
3173 BUILDSUF=$build_suffix
3174 FULLNAME=$FULLNAME
3175 LIBPREF=$LIBPREF
3176 LIBSUF=$LIBSUF
3177 LIBNAME=$LIBNAME
3178 SLIBPREF=$SLIBPREF
3179 SLIBSUF=$SLIBSUF
3180 EXESUF=$EXESUF
3181 EXTRA_VERSION=$extra_version
3182 DEPFLAGS=$DEPFLAGS
3183 CCDEP=$CCDEP
3184 ASDEP=$ASDEP
3185 CC_DEPFLAGS=$CC_DEPFLAGS
3186 AS_DEPFLAGS=$AS_DEPFLAGS
3187 HOSTCC=$host_cc
3188 HOSTCFLAGS=$host_cflags
3189 HOSTEXESUF=$HOSTEXESUF
3190 HOSTLDFLAGS=$host_ldflags
3191 HOSTLIBS=$host_libs
3192 TARGET_EXEC=$target_exec
3193 TARGET_PATH=$target_path
3194 SDL_LIBS=$sdl_libs
3195 SDL_CFLAGS=$sdl_cflags
3196 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3197 EXTRALIBS=$extralibs
3198 INSTALL=install
3199 LIBTARGET=${LIBTARGET}
3200 SLIBNAME=${SLIBNAME}
3201 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3202 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3203 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3204 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3205 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3206 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3207 SAMPLES=$samples
3208 EOF
3209
3210 get_version(){
3211 name=$1
3212 file=$source_path/$2
3213 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3214 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3215 lcname=$(tolower $name)
3216 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3217 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3218 }
3219
3220 get_version LIBSWSCALE libswscale/swscale.h
3221 get_version LIBPOSTPROC libpostproc/postprocess.h
3222 get_version LIBAVCODEC libavcodec/avcodec.h
3223 get_version LIBAVCORE libavcore/avcore.h
3224 get_version LIBAVDEVICE libavdevice/avdevice.h
3225 get_version LIBAVFORMAT libavformat/avformat.h
3226 get_version LIBAVUTIL libavutil/avutil.h
3227 get_version LIBAVFILTER libavfilter/avfilter.h
3228
3229 cat > $TMPH <<EOF
3230 /* Automatically generated by configure - do not modify! */
3231 #ifndef FFMPEG_CONFIG_H
3232 #define FFMPEG_CONFIG_H
3233 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3234 #define FFMPEG_LICENSE "$(c_escape $license)"
3235 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3236 #define CC_TYPE "$cc_type"
3237 #define CC_VERSION $cc_version
3238 #define restrict $_restrict
3239 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3240 #define EXTERN_PREFIX "${extern_prefix}"
3241 #define EXTERN_ASM ${extern_prefix}
3242 #define SLIBSUF "$SLIBSUF"
3243 EOF
3244
3245 test -n "$malloc_prefix" &&
3246 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3247
3248 if enabled small || disabled optimizations; then
3249 echo "#undef av_always_inline" >> $TMPH
3250 if enabled small; then
3251 echo "#define av_always_inline inline" >> $TMPH
3252 else
3253 echo "#define av_always_inline av_unused" >> $TMPH
3254 fi
3255 fi
3256
3257 if enabled yasm; then
3258 append config_files $TMPASM
3259 printf '' >$TMPASM
3260 fi
3261
3262 print_config ARCH_ "$config_files" $ARCH_LIST
3263 print_config HAVE_ "$config_files" $HAVE_LIST
3264 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3265 $CONFIG_EXTRA \
3266 $DECODER_LIST \
3267 $ENCODER_LIST \
3268 $HWACCEL_LIST \
3269 $PARSER_LIST \
3270 $BSF_LIST \
3271 $DEMUXER_LIST \
3272 $MUXER_LIST \
3273 $FILTER_LIST \
3274 $PROTOCOL_LIST \
3275 $INDEV_LIST \
3276 $OUTDEV_LIST \
3277
3278 cat >>config.mak <<EOF
3279 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3280 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3281 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3282 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3283 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3284 EOF
3285
3286 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3287 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3288
3289 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3290 cp_if_changed $TMPH config.h
3291 touch .config
3292
3293 enabled yasm && cp_if_changed $TMPASM config.asm
3294
3295 cat > $TMPH <<EOF
3296 /* Generated by ffconf */
3297 #ifndef AVUTIL_AVCONFIG_H
3298 #define AVUTIL_AVCONFIG_H
3299 EOF
3300
3301 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3302
3303 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3304
3305 cp_if_changed $TMPH libavutil/avconfig.h
3306
3307 test -n "$WARNINGS" && printf "\n$WARNINGS"
3308
3309 # build pkg-config files
3310
3311 pkgconfig_generate(){
3312 name=$1
3313 shortname=${name#lib}${build_suffix}
3314 comment=$2
3315 version=$3
3316 libs=$4
3317 requires=$5
3318 enabled ${name#lib} || return 0
3319 cat <<EOF > $name/$name.pc
3320 prefix=$prefix
3321 exec_prefix=\${prefix}
3322 libdir=$libdir
3323 includedir=$incdir
3324
3325 Name: $name
3326 Description: $comment
3327 Version: $version
3328 Requires: $(enabled shared || echo $requires)
3329 Requires.private: $(enabled shared && echo $requires)
3330 Conflicts:
3331 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3332 Libs.private: $(enabled shared && echo $libs)
3333 Cflags: -I\${includedir}
3334 EOF
3335 cat <<EOF > $name/$name-uninstalled.pc
3336 prefix=
3337 exec_prefix=
3338 libdir=\${pcfiledir}
3339 includedir=${source_path}
3340
3341 Name: $name
3342 Description: $comment
3343 Version: $version
3344 Requires: $requires
3345 Conflicts:
3346 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3347 Cflags: -I\${includedir}
3348 EOF
3349 }
3350
3351 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3352 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3353 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3354 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3355 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3356 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3357 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3358 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"