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[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 Git. 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 filter_out(){
325 pat=$1
326 shift
327 for v; do
328 eval "case $v in $pat) ;; *) echo $v ;; esac"
329 done
330 }
331
332 map(){
333 m=$1
334 shift
335 for v; do eval $m; done
336 }
337
338 set_all(){
339 value=$1
340 shift
341 for var in $*; do
342 eval $var=$value
343 done
344 }
345
346 set_weak(){
347 value=$1
348 shift
349 for var; do
350 eval : \${$var:=$value}
351 done
352 }
353
354 pushvar(){
355 for var in $*; do
356 eval level=\${${var}_level:=0}
357 eval ${var}_${level}="\$$var"
358 eval ${var}_level=$(($level+1))
359 done
360 }
361
362 popvar(){
363 for var in $*; do
364 eval level=\${${var}_level:-0}
365 test $level = 0 && continue
366 eval level=$(($level-1))
367 eval $var="\${${var}_${level}}"
368 eval ${var}_level=$level
369 eval unset ${var}_${level}
370 done
371 }
372
373 enable(){
374 set_all yes $*
375 }
376
377 disable(){
378 set_all no $*
379 }
380
381 enable_weak(){
382 set_weak yes $*
383 }
384
385 disable_weak(){
386 set_weak no $*
387 }
388
389 enable_safe(){
390 for var; do
391 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
392 done
393 }
394
395 disable_safe(){
396 for var; do
397 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
398 done
399 }
400
401 do_enable_deep(){
402 for var; do
403 enabled $var && continue
404 eval sel="\$${var}_select"
405 eval sgs="\$${var}_suggest"
406 pushvar var sgs
407 enable_deep $sel
408 popvar sgs
409 enable_deep_weak $sgs
410 popvar var
411 done
412 }
413
414 enable_deep(){
415 do_enable_deep $*
416 enable $*
417 }
418
419 enable_deep_weak(){
420 do_enable_deep $*
421 enable_weak $*
422 }
423
424 enabled(){
425 test "${1#!}" = "$1" && op== || op=!=
426 eval test "x\$${1#!}" $op "xyes"
427 }
428
429 disabled(){
430 test "${1#!}" = "$1" && op== || op=!=
431 eval test "x\$${1#!}" $op "xno"
432 }
433
434 enabled_all(){
435 for opt; do
436 enabled $opt || return 1
437 done
438 }
439
440 disabled_all(){
441 for opt; do
442 disabled $opt || return 1
443 done
444 }
445
446 enabled_any(){
447 for opt; do
448 enabled $opt && return 0
449 done
450 }
451
452 disabled_any(){
453 for opt; do
454 disabled $opt && return 0
455 done
456 return 1
457 }
458
459 set_default(){
460 for opt; do
461 eval : \${$opt:=\$${opt}_default}
462 done
463 }
464
465 is_in(){
466 value=$1
467 shift
468 for var in $*; do
469 [ $var = $value ] && return 0
470 done
471 return 1
472 }
473
474 check_deps(){
475 for cfg; do
476 cfg="${cfg#!}"
477 enabled ${cfg}_checking && die "Circular dependency for $cfg."
478 disabled ${cfg}_checking && continue
479 enable ${cfg}_checking
480
481 eval dep_all="\$${cfg}_deps"
482 eval dep_any="\$${cfg}_deps_any"
483 eval dep_sel="\$${cfg}_select"
484 eval dep_sgs="\$${cfg}_suggest"
485 eval dep_ifa="\$${cfg}_if"
486 eval dep_ifn="\$${cfg}_if_any"
487
488 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
489 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
490 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
491
492 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
493 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
494 enabled_all $dep_all || disable $cfg
495 enabled_any $dep_any || disable $cfg
496 disabled_any $dep_sel && disable $cfg
497
498 if enabled $cfg; then
499 eval dep_extralibs="\$${cfg}_extralibs"
500 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
501 enable_deep $dep_sel
502 enable_deep_weak $dep_sgs
503 fi
504
505 disable ${cfg}_checking
506 done
507 }
508
509 print_config_h(){
510 enabled $1 && v=1 || v=0
511 echo "#define $2 $v"
512 }
513
514 print_config_mak(){
515 enabled $1 && v= || v=!
516 echo "$v$2=yes"
517 }
518
519 print_config_asm(){
520 enabled $1 && echo "%define $2"
521 }
522
523 print_config(){
524 pfx=$1
525 files=$2
526 shift 2
527 for cfg; do
528 ucname="$(toupper $cfg)"
529 for f in $files; do
530 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
531 done
532 done
533 }
534
535 print_enabled(){
536 test "$1" = -n && end=" " && shift || end="\n"
537 suf=$1
538 shift
539 for v; do
540 enabled $v && printf "%s$end" ${v%$suf};
541 done
542 }
543
544 append(){
545 var=$1
546 shift
547 eval "$var=\"\$$var $*\""
548 }
549
550 prepend(){
551 var=$1
552 shift
553 eval "$var=\"$* \$$var\""
554 }
555
556 add_cppflags(){
557 append CPPFLAGS $($filter_cppflags "$@")
558 }
559
560 add_cflags(){
561 append CFLAGS $($filter_cflags "$@")
562 }
563
564 add_asflags(){
565 append ASFLAGS $($filter_asflags "$@")
566 }
567
568 add_ldflags(){
569 append LDFLAGS "$@"
570 }
571
572 add_extralibs(){
573 prepend extralibs "$@"
574 }
575
576 check_cmd(){
577 log "$@"
578 "$@" >> $logfile 2>&1
579 }
580
581 check_cc(){
582 log check_cc "$@"
583 cat > $TMPC
584 log_file $TMPC
585 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
586 }
587
588 check_cpp(){
589 log check_cpp "$@"
590 cat > $TMPC
591 log_file $TMPC
592 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
593 }
594
595 check_as(){
596 log check_as "$@"
597 cat > $TMPC
598 log_file $TMPC
599 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
600 }
601
602 check_asm(){
603 log check_asm "$@"
604 name="$1"
605 code="$2"
606 shift 2
607 disable $name
608 check_as "$@" <<EOF && enable $name
609 void foo(void){ __asm__ volatile($code); }
610 EOF
611 }
612
613 check_yasm(){
614 log check_yasm "$@"
615 echo "$1" > $TMPS
616 log_file $TMPS
617 shift 1
618 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
619 }
620
621 check_ld(){
622 log check_ld "$@"
623 flags=''
624 libs=''
625 for f; do
626 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
627 done
628 check_cc $($filter_cflags $flags) || return
629 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
630 }
631
632 check_cppflags(){
633 log check_cppflags "$@"
634 set -- $($filter_cppflags "$@")
635 check_cc "$@" <<EOF && append CPPFLAGS "$@"
636 int x;
637 EOF
638 }
639
640 check_cflags(){
641 log check_cflags "$@"
642 set -- $($filter_cflags "$@")
643 check_cc "$@" <<EOF && append CFLAGS "$@"
644 int x;
645 EOF
646 }
647
648 test_ldflags(){
649 log test_ldflags "$@"
650 check_ld "$@" <<EOF
651 int main(void){ return 0; }
652 EOF
653 }
654
655 check_ldflags(){
656 log check_ldflags "$@"
657 test_ldflags "$@" && add_ldflags "$@"
658 }
659
660 check_header(){
661 log check_header "$@"
662 header=$1
663 shift
664 disable_safe $header
665 check_cpp "$@" <<EOF && enable_safe $header
666 #include <$header>
667 int x;
668 EOF
669 }
670
671 check_func(){
672 log check_func "$@"
673 func=$1
674 shift
675 disable $func
676 check_ld "$@" <<EOF && enable $func
677 extern int $func();
678 int main(void){ $func(); }
679 EOF
680 }
681
682 check_mathfunc(){
683 log check_mathfunc "$@"
684 func=$1
685 shift
686 disable $func
687 check_ld "$@" <<EOF && enable $func
688 #include <math.h>
689 float foo(float f) { return $func(f); }
690 int main(void){ return 0; }
691 EOF
692 }
693
694 check_func_headers(){
695 log check_func_headers "$@"
696 headers=$1
697 func=$2
698 shift 2
699 disable $func
700 incs=""
701 for hdr in $headers; do
702 incs="$incs
703 #include <$hdr>"
704 done
705 check_ld "$@" <<EOF && enable $func && enable_safe $headers
706 $incs
707 int main(int argc, char **argv){
708 return (long) $func;
709 }
710 EOF
711 }
712
713 check_cpp_condition(){
714 log check_cpp_condition "$@"
715 header=$1
716 condition=$2
717 shift 2
718 check_cpp $($filter_cppflags "$@") <<EOF
719 #include <$header>
720 #if !($condition)
721 #error "unsatisfied condition: $condition"
722 #endif
723 EOF
724 }
725
726 check_lib(){
727 log check_lib "$@"
728 header="$1"
729 func="$2"
730 shift 2
731 check_header $header && check_func $func "$@" && add_extralibs "$@"
732 }
733
734 check_lib2(){
735 log check_lib2 "$@"
736 headers="$1"
737 func="$2"
738 shift 2
739 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
740 }
741
742 check_exec(){
743 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
744 }
745
746 check_exec_crash(){
747 code=$(cat)
748
749 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
750 # are safe but may not be available everywhere. Thus we use
751 # raise(SIGTERM) instead. The check is run in a subshell so we
752 # can redirect the "Terminated" message from the shell. SIGBUS
753 # is not defined by standard C so it is used conditionally.
754
755 (check_exec "$@") >> $logfile 2>&1 <<EOF
756 #include <signal.h>
757 static void sighandler(int sig){
758 raise(SIGTERM);
759 }
760 int main(void){
761 signal(SIGILL, sighandler);
762 signal(SIGFPE, sighandler);
763 signal(SIGSEGV, sighandler);
764 #ifdef SIGBUS
765 signal(SIGBUS, sighandler);
766 #endif
767 { $code }
768 }
769 EOF
770 }
771
772 check_type(){
773 log check_type "$@"
774 headers=$1
775 type=$2
776 shift 2
777 disable_safe "$type"
778 incs=""
779 for hdr in $headers; do
780 incs="$incs
781 #include <$hdr>"
782 done
783 check_cc "$@" <<EOF && enable_safe "$type"
784 $incs
785 $type v;
786 EOF
787 }
788
789 check_struct(){
790 log check_type "$@"
791 headers=$1
792 struct=$2
793 member=$3
794 shift 3
795 disable_safe "${struct}_${member}"
796 incs=""
797 for hdr in $headers; do
798 incs="$incs
799 #include <$hdr>"
800 done
801 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
802 $incs
803 const void *p = &(($struct *)0)->$member;
804 EOF
805 }
806
807 require(){
808 name="$1"
809 header="$2"
810 func="$3"
811 shift 3
812 check_lib $header $func "$@" || die "ERROR: $name not found"
813 }
814
815 require2(){
816 name="$1"
817 headers="$2"
818 func="$3"
819 shift 3
820 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
821 }
822
823 check_host_cc(){
824 log check_host_cc "$@"
825 cat > $TMPC
826 log_file $TMPC
827 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
828 }
829
830 check_host_cflags(){
831 log check_host_cflags "$@"
832 check_host_cc "$@" <<EOF && append host_cflags "$@"
833 int x;
834 EOF
835 }
836
837 apply(){
838 file=$1
839 shift
840 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
841 }
842
843 cp_if_changed(){
844 cmp -s "$1" "$2" &&
845 echo "$2 is unchanged" ||
846 cp -f "$1" "$2"
847 }
848
849 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
850 # system-dependent things.
851
852 COMPONENT_LIST="
853 bsfs
854 decoders
855 demuxers
856 encoders
857 filters
858 hwaccels
859 indevs
860 muxers
861 outdevs
862 parsers
863 protocols
864 "
865
866 CONFIG_LIST="
867 $COMPONENT_LIST
868 aandct
869 avcodec
870 avcore
871 avdevice
872 avfilter
873 avformat
874 avisynth
875 bzlib
876 dct
877 doc
878 dwt
879 dxva2
880 fastdiv
881 ffmpeg
882 ffplay
883 ffprobe
884 ffserver
885 fft
886 frei0r
887 golomb
888 gpl
889 gray
890 h264dsp
891 h264pred
892 hardcoded_tables
893 huffman
894 libdc1394
895 libdirac
896 libfaac
897 libgsm
898 libmp3lame
899 libnut
900 libopencore_amrnb
901 libopencore_amrwb
902 libopencv
903 libopenjpeg
904 librtmp
905 libschroedinger
906 libspeex
907 libtheora
908 libvorbis
909 libvpx
910 libx264
911 libxavs
912 libxvid
913 lpc
914 lsp
915 mdct
916 memalign_hack
917 mlib
918 mpegaudio_hp
919 network
920 nonfree
921 pic
922 postproc
923 rdft
924 rtpdec
925 runtime_cpudetect
926 shared
927 small
928 sram
929 static
930 swscale
931 swscale_alpha
932 vaapi
933 vdpau
934 version3
935 x11grab
936 zlib
937 "
938
939 THREADS_LIST='
940 pthreads
941 w32threads
942 '
943
944 ARCH_LIST='
945 alpha
946 arm
947 avr32
948 avr32_ap
949 avr32_uc
950 bfin
951 ia64
952 m68k
953 mips
954 mips64
955 parisc
956 ppc
957 ppc64
958 s390
959 sh4
960 sparc
961 sparc64
962 tomi
963 x86
964 x86_32
965 x86_64
966 '
967
968 ARCH_EXT_LIST='
969 altivec
970 amd3dnow
971 amd3dnowext
972 armv5te
973 armv6
974 armv6t2
975 armvfp
976 iwmmxt
977 mmi
978 mmx
979 mmx2
980 neon
981 ppc4xx
982 sse
983 ssse3
984 vis
985 '
986
987 HAVE_LIST_PUB='
988 bigendian
989 fast_unaligned
990 '
991
992 HAVE_LIST="
993 $ARCH_EXT_LIST
994 $HAVE_LIST_PUB
995 $THREADS_LIST
996 aligned_stack
997 alsa_asoundlib_h
998 altivec_h
999 arpa_inet_h
1000 attribute_may_alias
1001 attribute_packed
1002 bswap
1003 closesocket
1004 cmov
1005 conio_h
1006 dcbzl
1007 dev_bktr_ioctl_bt848_h
1008 dev_bktr_ioctl_meteor_h
1009 dev_ic_bt8xx_h
1010 dev_video_meteor_ioctl_meteor_h
1011 dev_video_bktr_ioctl_bt848_h
1012 dlfcn_h
1013 dlopen
1014 dos_paths
1015 ebp_available
1016 ebx_available
1017 exp2
1018 exp2f
1019 fast_64bit
1020 fast_clz
1021 fast_cmov
1022 fcntl
1023 fork
1024 getaddrinfo
1025 gethrtime
1026 GetProcessMemoryInfo
1027 GetProcessTimes
1028 getrusage
1029 gnu_as
1030 struct_rusage_ru_maxrss
1031 ibm_asm
1032 inet_aton
1033 inline_asm
1034 isatty
1035 ldbrx
1036 libdc1394_1
1037 libdc1394_2
1038 llrint
1039 llrintf
1040 local_aligned_16
1041 local_aligned_8
1042 log2
1043 log2f
1044 loongson
1045 lrint
1046 lrintf
1047 lzo1x_999_compress
1048 machine_ioctl_bt848_h
1049 machine_ioctl_meteor_h
1050 malloc_h
1051 MapViewOfFile
1052 memalign
1053 mkstemp
1054 mmap
1055 pld
1056 posix_memalign
1057 round
1058 roundf
1059 sdl
1060 sdl_video_size
1061 setmode
1062 socklen_t
1063 soundcard_h
1064 poll_h
1065 setrlimit
1066 strerror_r
1067 strtok_r
1068 struct_addrinfo
1069 struct_ipv6_mreq
1070 struct_sockaddr_in6
1071 struct_sockaddr_sa_len
1072 struct_sockaddr_storage
1073 symver
1074 symver_gnu_asm
1075 symver_asm_label
1076 sys_mman_h
1077 sys_resource_h
1078 sys_select_h
1079 sys_soundcard_h
1080 sys_videoio_h
1081 ten_operands
1082 termios_h
1083 threads
1084 truncf
1085 vfp_args
1086 VirtualAlloc
1087 winsock2_h
1088 xform_asm
1089 xmm_clobbers
1090 yasm
1091 "
1092
1093 # options emitted with CONFIG_ prefix but not available on command line
1094 CONFIG_EXTRA="
1095 avutil
1096 gplv3
1097 lgplv3
1098 "
1099
1100 CMDLINE_SELECT="
1101 $ARCH_EXT_LIST
1102 $CONFIG_LIST
1103 $THREADS_LIST
1104 asm
1105 cross_compile
1106 debug
1107 extra_warnings
1108 logging
1109 optimizations
1110 stripping
1111 symver
1112 yasm
1113 "
1114
1115 PATHS_LIST='
1116 bindir
1117 datadir
1118 incdir
1119 libdir
1120 mandir
1121 prefix
1122 shlibdir
1123 '
1124
1125 CMDLINE_SET="
1126 $PATHS_LIST
1127 ar
1128 arch
1129 as
1130 build_suffix
1131 cc
1132 cpu
1133 cross_prefix
1134 dep_cc
1135 extra_version
1136 host_cc
1137 host_cflags
1138 host_ldflags
1139 host_libs
1140 host_os
1141 ld
1142 logfile
1143 malloc_prefix
1144 nm
1145 samples
1146 source_path
1147 strip
1148 sysinclude
1149 sysroot
1150 target_exec
1151 target_os
1152 target_path
1153 "
1154
1155 CMDLINE_APPEND="
1156 extra_cflags
1157 "
1158
1159 # code dependency declarations
1160
1161 # architecture extensions
1162
1163 armv5te_deps="arm"
1164 armv6_deps="arm"
1165 armv6t2_deps="arm"
1166 armvfp_deps="arm"
1167 iwmmxt_deps="arm"
1168 neon_deps="arm"
1169
1170 mmi_deps="mips"
1171
1172 altivec_deps="ppc"
1173 ppc4xx_deps="ppc"
1174
1175 vis_deps="sparc"
1176
1177 x86_64_suggest="cmov fast_cmov"
1178 amd3dnow_deps="mmx"
1179 amd3dnowext_deps="amd3dnow"
1180 mmx_deps="x86"
1181 mmx2_deps="mmx"
1182 sse_deps="mmx"
1183 ssse3_deps="sse"
1184
1185 aligned_stack_if_any="ppc x86"
1186 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1187 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1188 fast_unaligned_if_any="armv6 ppc x86"
1189
1190 need_memalign="altivec neon sse"
1191 inline_asm_deps="!tms470"
1192
1193 symver_if_any="symver_asm_label symver_gnu_asm"
1194
1195 # subsystems
1196 dct_select="rdft"
1197 mdct_select="fft"
1198 rdft_select="fft"
1199
1200 # decoders / encoders / hardware accelerators
1201 aac_decoder_select="mdct rdft"
1202 aac_encoder_select="mdct"
1203 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1204 ac3_decoder_select="mdct ac3_parser"
1205 ac3_encoder_select="mdct"
1206 alac_encoder_select="lpc"
1207 amrnb_decoder_select="lsp"
1208 amrwb_decoder_select="lsp"
1209 atrac1_decoder_select="mdct"
1210 atrac3_decoder_select="mdct"
1211 binkaudio_dct_decoder_select="mdct rdft dct"
1212 binkaudio_rdft_decoder_select="mdct rdft"
1213 cavs_decoder_select="golomb"
1214 cook_decoder_select="mdct"
1215 cscd_decoder_suggest="zlib"
1216 dca_decoder_select="mdct"
1217 dnxhd_encoder_select="aandct"
1218 dxa_decoder_select="zlib"
1219 eac3_decoder_select="ac3_decoder"
1220 eamad_decoder_select="aandct"
1221 eatgq_decoder_select="aandct"
1222 eatqi_decoder_select="aandct"
1223 ffv1_decoder_select="golomb"
1224 flac_decoder_select="golomb"
1225 flac_encoder_select="golomb lpc"
1226 flashsv_decoder_select="zlib"
1227 flashsv_encoder_select="zlib"
1228 flv_decoder_select="h263_decoder"
1229 flv_encoder_select="h263_encoder"
1230 fraps_decoder_select="huffman"
1231 h261_encoder_select="aandct"
1232 h263_decoder_select="h263_parser"
1233 h263_encoder_select="aandct"
1234 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1235 h263i_decoder_select="h263_decoder"
1236 h263p_encoder_select="h263_encoder"
1237 h264_decoder_select="golomb h264dsp h264pred"
1238 h264_dxva2_hwaccel_deps="dxva2api_h"
1239 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1240 h264_vaapi_hwaccel_select="vaapi"
1241 h264_vdpau_decoder_select="vdpau h264_decoder"
1242 imc_decoder_select="fft mdct"
1243 jpegls_decoder_select="golomb"
1244 jpegls_encoder_select="golomb"
1245 ljpeg_encoder_select="aandct"
1246 loco_decoder_select="golomb"
1247 mjpeg_encoder_select="aandct"
1248 mlp_decoder_select="mlp_parser"
1249 mp1float_decoder_select="dct"
1250 mp2float_decoder_select="dct"
1251 mp3adufloat_decoder_select="dct"
1252 mp3float_decoder_select="dct"
1253 mp3on4float_decoder_select="dct"
1254 mpeg1video_encoder_select="aandct"
1255 mpeg2video_encoder_select="aandct"
1256 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1257 mpeg4_encoder_select="h263_encoder"
1258 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1259 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1260 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1261 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1262 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1263 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1264 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1265 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1266 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1267 msmpeg4v1_decoder_select="h263_decoder"
1268 msmpeg4v1_encoder_select="h263_encoder"
1269 msmpeg4v2_decoder_select="h263_decoder"
1270 msmpeg4v2_encoder_select="h263_encoder"
1271 msmpeg4v3_decoder_select="h263_decoder"
1272 msmpeg4v3_encoder_select="h263_encoder"
1273 nellymoser_decoder_select="mdct"
1274 nellymoser_encoder_select="mdct"
1275 png_decoder_select="zlib"
1276 png_encoder_select="zlib"
1277 qcelp_decoder_select="lsp"
1278 qdm2_decoder_select="mdct rdft"
1279 ra_144_encoder_select="lpc"
1280 rv10_decoder_select="h263_decoder"
1281 rv10_encoder_select="h263_encoder"
1282 rv20_decoder_select="h263_decoder"
1283 rv20_encoder_select="h263_encoder"
1284 rv30_decoder_select="golomb h264pred"
1285 rv40_decoder_select="golomb h264pred"
1286 shorten_decoder_select="golomb"
1287 sipr_decoder_select="lsp"
1288 snow_decoder_select="dwt"
1289 snow_encoder_select="aandct dwt"
1290 sonic_decoder_select="golomb"
1291 sonic_encoder_select="golomb"
1292 sonic_ls_encoder_select="golomb"
1293 svq1_encoder_select="aandct"
1294 svq3_decoder_select="golomb h264dsp h264pred"
1295 svq3_decoder_suggest="zlib"
1296 theora_decoder_select="vp3_decoder"
1297 tiff_decoder_suggest="zlib"
1298 tiff_encoder_suggest="zlib"
1299 truehd_decoder_select="mlp_decoder"
1300 tscc_decoder_select="zlib"
1301 twinvq_decoder_select="mdct lsp"
1302 vc1_decoder_select="h263_decoder"
1303 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1304 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1305 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1306 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1307 vorbis_decoder_select="mdct"
1308 vorbis_encoder_select="mdct"
1309 vp6_decoder_select="huffman"
1310 vp6a_decoder_select="vp6_decoder"
1311 vp6f_decoder_select="vp6_decoder"
1312 vp8_decoder_select="h264pred"
1313 wmapro_decoder_select="mdct"
1314 wmav1_decoder_select="mdct"
1315 wmav1_encoder_select="mdct"
1316 wmav2_decoder_select="mdct"
1317 wmav2_encoder_select="mdct"
1318 wmavoice_decoder_select="lsp rdft dct mdct"
1319 wmv1_decoder_select="h263_decoder"
1320 wmv1_encoder_select="h263_encoder"
1321 wmv2_decoder_select="h263_decoder"
1322 wmv2_encoder_select="h263_encoder"
1323 wmv3_decoder_select="vc1_decoder"
1324 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1325 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1326 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1327 zlib_decoder_select="zlib"
1328 zlib_encoder_select="zlib"
1329 zmbv_decoder_select="zlib"
1330 zmbv_encoder_select="zlib"
1331
1332 vaapi_deps="va_va_h"
1333 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1334
1335 # parsers
1336 h264_parser_select="golomb h264dsp h264pred"
1337
1338 # external libraries
1339 libdirac_decoder_deps="libdirac !libschroedinger"
1340 libdirac_encoder_deps="libdirac"
1341 libfaac_encoder_deps="libfaac"
1342 libgsm_decoder_deps="libgsm"
1343 libgsm_encoder_deps="libgsm"
1344 libgsm_ms_decoder_deps="libgsm"
1345 libgsm_ms_encoder_deps="libgsm"
1346 libmp3lame_encoder_deps="libmp3lame"
1347 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1348 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1349 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1350 libopenjpeg_decoder_deps="libopenjpeg"
1351 libschroedinger_decoder_deps="libschroedinger"
1352 libschroedinger_encoder_deps="libschroedinger"
1353 libspeex_decoder_deps="libspeex"
1354 libtheora_encoder_deps="libtheora"
1355 libvorbis_encoder_deps="libvorbis"
1356 libvpx_decoder_deps="libvpx"
1357 libvpx_encoder_deps="libvpx"
1358 libx264_encoder_deps="libx264"
1359 libxavs_encoder_deps="libxavs"
1360 libxvid_encoder_deps="libxvid"
1361
1362 # demuxers / muxers
1363 ac3_demuxer_select="ac3_parser"
1364 asf_stream_muxer_select="asf_muxer"
1365 avisynth_demuxer_deps="avisynth"
1366 dirac_demuxer_select="dirac_parser"
1367 eac3_demuxer_select="ac3_parser"
1368 flac_demuxer_select="flac_parser"
1369 ipod_muxer_select="mov_muxer"
1370 libnut_demuxer_deps="libnut"
1371 libnut_muxer_deps="libnut"
1372 matroska_audio_muxer_select="matroska_muxer"
1373 matroska_demuxer_suggest="zlib bzlib"
1374 mov_demuxer_suggest="zlib"
1375 mp3_demuxer_select="mpegaudio_parser"
1376 mp4_muxer_select="mov_muxer"
1377 mpegtsraw_demuxer_select="mpegts_demuxer"
1378 mxf_d10_muxer_select="mxf_muxer"
1379 ogg_demuxer_select="golomb"
1380 psp_muxer_select="mov_muxer"
1381 rtp_demuxer_select="sdp_demuxer"
1382 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1383 rtsp_demuxer_select="http_protocol rtpdec"
1384 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1385 sap_demuxer_select="sdp_demuxer"
1386 sap_muxer_select="rtp_muxer rtp_protocol"
1387 sdp_demuxer_select="rtpdec"
1388 spdif_muxer_select="aac_parser"
1389 tg2_muxer_select="mov_muxer"
1390 tgp_muxer_select="mov_muxer"
1391 w64_demuxer_deps="wav_demuxer"
1392
1393 # indevs / outdevs
1394 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1395 alsa_outdev_deps="alsa_asoundlib_h"
1396 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1397 dv1394_indev_deps="dv1394 dv_demuxer"
1398 jack_indev_deps="jack_jack_h"
1399 libdc1394_indev_deps="libdc1394"
1400 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1401 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1402 v4l_indev_deps="linux_videodev_h"
1403 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1404 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1405 vfwcap_indev_extralibs="-lavicap32"
1406 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1407 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1408
1409 # protocols
1410 gopher_protocol_deps="network"
1411 http_protocol_deps="network"
1412 http_protocol_select="tcp_protocol"
1413 mmsh_protocol_select="http_protocol"
1414 mmst_protocol_deps="network"
1415 rtmp_protocol_select="tcp_protocol"
1416 rtp_protocol_select="udp_protocol"
1417 tcp_protocol_deps="network"
1418 udp_protocol_deps="network"
1419
1420 # filters
1421 blackframe_filter_deps="gpl"
1422 cropdetect_filter_deps="gpl"
1423 frei0r_filter_deps="frei0r dlopen strtok_r"
1424 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1425 hqdn3d_filter_deps="gpl"
1426 scale_filter_deps="swscale"
1427 ocv_filter_deps="libopencv"
1428 yadif_filter_deps="gpl"
1429
1430 # libraries
1431 avdevice_deps="avcodec avformat"
1432 avformat_deps="avcodec"
1433
1434 # programs
1435 ffmpeg_deps="avcodec avformat swscale"
1436 ffmpeg_select="buffer_filter"
1437 ffplay_deps="avcodec avformat swscale sdl"
1438 ffplay_select="rdft"
1439 ffprobe_deps="avcodec avformat"
1440 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1441 ffserver_extralibs='$ldl'
1442
1443 doc_deps="texi2html"
1444
1445 # tests
1446
1447 test_deps(){
1448 suf1=$1
1449 suf2=$2
1450 shift 2
1451 for v; do
1452 dep=${v%=*}
1453 tests=${v#*=}
1454 for name in ${tests}; do
1455 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1456 done
1457 done
1458 }
1459
1460 set_ne_test_deps(){
1461 eval ${1}_be_test_deps="bigendian"
1462 eval ${1}_le_test_deps="!bigendian"
1463 }
1464
1465 test_deps _encoder _decoder \
1466 adpcm_g726=g726 \
1467 adpcm_ima_qt \
1468 adpcm_ima_wav \
1469 adpcm_ms \
1470 adpcm_swf \
1471 adpcm_yamaha=adpcm_yam \
1472 alac \
1473 asv1 \
1474 asv2 \
1475 bmp \
1476 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1477 dvvideo="dv dv50" \
1478 ffv1 \
1479 flac \
1480 flashsv \
1481 flv \
1482 gif \
1483 h261 \
1484 h263="h263 h263p" \
1485 huffyuv \
1486 jpegls \
1487 mjpeg="jpg mjpeg ljpeg" \
1488 mp2 \
1489 mpeg1video="mpeg mpeg1b" \
1490 mpeg2video="mpeg2 mpeg2thread" \
1491 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1492 msmpeg4v3=msmpeg4 \
1493 msmpeg4v2 \
1494 pbm=pbmpipe \
1495 pcx \
1496 pgm="pgm pgmpipe" \
1497 png \
1498 ppm="ppm ppmpipe" \
1499 rawvideo="rgb yuv" \
1500 roq \
1501 rv10 \
1502 rv20 \
1503 sgi \
1504 snow="snow snowll" \
1505 svq1 \
1506 targa=tga \
1507 tiff \
1508 wmav1 \
1509 wmav2 \
1510 wmv1 \
1511 wmv2 \
1512
1513 test_deps _muxer _demuxer \
1514 aiff \
1515 pcm_alaw=alaw \
1516 asf \
1517 au \
1518 avi \
1519 dv=dv_fmt \
1520 ffm \
1521 flv=flv_fmt \
1522 gxf \
1523 matroska=mkv \
1524 mmf \
1525 mov \
1526 pcm_mulaw=mulaw \
1527 mxf \
1528 nut \
1529 ogg \
1530 rawvideo=pixfmt \
1531 rm \
1532 swf \
1533 mpegts=ts \
1534 voc \
1535 wav \
1536 yuv4mpegpipe=yuv4mpeg \
1537
1538 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1539 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1540
1541 set_ne_test_deps pixdesc
1542 set_ne_test_deps pixfmts_copy
1543 set_ne_test_deps pixfmts_crop
1544 set_ne_test_deps pixfmts_hflip
1545 set_ne_test_deps pixfmts_null
1546 set_ne_test_deps pixfmts_pad
1547 set_ne_test_deps pixfmts_scale
1548 set_ne_test_deps pixfmts_vflip
1549
1550 # default parameters
1551
1552 logfile="config.log"
1553
1554 # installation paths
1555 prefix_default="/usr/local"
1556 bindir_default='${prefix}/bin'
1557 datadir_default='${prefix}/share/ffmpeg'
1558 incdir_default='${prefix}/include'
1559 libdir_default='${prefix}/lib'
1560 mandir_default='${prefix}/share/man'
1561 shlibdir_default="$libdir_default"
1562
1563 # toolchain
1564 ar_default="ar"
1565 cc_default="gcc"
1566 cc_version=\"unknown\"
1567 host_cc_default="gcc"
1568 ln_s="ln -sf"
1569 nm_default="nm"
1570 objformat="elf"
1571 ranlib="ranlib"
1572 strip_default="strip"
1573 yasmexe="yasm"
1574 nogas=":"
1575
1576 nm_opts='-g'
1577
1578 # machine
1579 arch_default=$(uname -m)
1580 cpu="generic"
1581
1582 # OS
1583 target_os_default=$(tolower $(uname -s))
1584 host_os=$target_os_default
1585
1586 # configurable options
1587 enable avcodec
1588 enable avcore
1589 enable avdevice
1590 enable avfilter
1591 enable avformat
1592 enable avutil
1593 enable asm
1594 enable debug
1595 enable doc
1596 enable fastdiv
1597 enable ffmpeg
1598 enable ffplay
1599 enable ffprobe
1600 enable ffserver
1601 enable mpegaudio_hp
1602 enable network
1603 enable optimizations
1604 enable protocols
1605 enable static
1606 enable stripping
1607 enable swscale
1608 enable swscale_alpha
1609
1610 # build settings
1611 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1612 FFSERVERLDFLAGS=-Wl,-E
1613 LIBPREF="lib"
1614 LIBSUF=".a"
1615 FULLNAME='$(NAME)$(BUILDSUF)'
1616 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1617 SLIBPREF="lib"
1618 SLIBSUF=".so"
1619 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1620 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1621 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1622 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1623
1624 CC_O='-o $@'
1625
1626 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1627 host_libs='-lm'
1628
1629 target_path='$(CURDIR)'
1630
1631 # since the object filename is not given with the -MM flag, the compiler
1632 # is only able to print the basename, and we must add the path ourselves
1633 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1634 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1635
1636 # find source path
1637 source_path="$(dirname "$0")"
1638 enable source_path_used
1639 if test -f configure; then
1640 source_path="$(pwd)"
1641 disable source_path_used
1642 else
1643 source_path="$(cd "$source_path"; pwd)"
1644 echo "$source_path" | grep -q '[[:blank:]]' &&
1645 die "Out of tree builds are impossible with whitespace in source path."
1646 test -e "$source_path/config.h" &&
1647 die "Out of tree builds are impossible with config.h in source dir."
1648 fi
1649
1650 for v in "$@"; do
1651 r=${v#*=}
1652 l=${v%"$r"}
1653 r=$(sh_quote "$r")
1654 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1655 done
1656
1657 find_things(){
1658 thing=$1
1659 pattern=$2
1660 file=$source_path/$3
1661 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1662 }
1663
1664 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1665 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1666 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1667 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1668 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1669 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1670 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1671 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1672 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1673 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1674 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1675
1676 find_tests(){
1677 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1678 }
1679
1680 ACODEC_TESTS=$(find_tests acodec)
1681 VCODEC_TESTS=$(find_tests vsynth1)
1682 LAVF_TESTS=$(find_tests lavf)
1683 LAVFI_TESTS=$(find_tests lavfi)
1684 SEEK_TESTS=$(find_tests seek seek_)
1685
1686 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1687
1688 for n in $COMPONENT_LIST; do
1689 v=$(toupper ${n%s})_LIST
1690 eval enable \$$v
1691 eval ${n}_if_any="\$$v"
1692 done
1693
1694 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1695
1696 die_unknown(){
1697 echo "Unknown option \"$1\"."
1698 echo "See $0 --help for available options."
1699 exit 1
1700 }
1701
1702 show_list() {
1703 suffix=_$1
1704 shift
1705 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1706 exit 0
1707 }
1708
1709 for opt do
1710 optval="${opt#*=}"
1711 case "$opt" in
1712 --extra-ldflags=*) add_ldflags $optval
1713 ;;
1714 --extra-libs=*) add_extralibs $optval
1715 ;;
1716 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1717 ;;
1718 --enable-debug=*) debuglevel="$optval"
1719 ;;
1720 --disable-everything)
1721 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1722 ;;
1723 --enable-*=*|--disable-*=*)
1724 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1725 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1726 eval list=\$$(toupper $thing)_LIST
1727 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1728 $action $(filter "$name" $list)
1729 ;;
1730 --enable-?*|--disable-?*)
1731 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1732 if is_in $option $COMPONENT_LIST; then
1733 test $action = disable && action=unset
1734 eval $action \$$(toupper ${option%s})_LIST
1735 elif is_in $option $CMDLINE_SELECT; then
1736 $action $option
1737 else
1738 die_unknown $opt
1739 fi
1740 ;;
1741 --list-*)
1742 NAME="${opt#--list-}"
1743 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1744 NAME=${NAME%s}
1745 eval show_list $NAME \$$(toupper $NAME)_LIST
1746 ;;
1747 --help|-h) show_help
1748 ;;
1749 *)
1750 optname="${opt%%=*}"
1751 optname="${optname#--}"
1752 optname=$(echo "$optname" | sed 's/-/_/g')
1753 if is_in $optname $CMDLINE_SET; then
1754 eval $optname='$optval'
1755 elif is_in $optname $CMDLINE_APPEND; then
1756 append $optname "$optval"
1757 else
1758 die_unknown $opt
1759 fi
1760 ;;
1761 esac
1762 done
1763
1764 disabled logging && logfile=/dev/null
1765
1766 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1767 set >> $logfile
1768
1769 test -n "$cross_prefix" && enable cross_compile
1770
1771 if enabled cross_compile; then
1772 test -n "$arch" && test -n "$target_os" ||
1773 die "Must specify target arch and OS when cross-compiling"
1774 fi
1775
1776 set_default arch target_os
1777
1778 ar_default="${cross_prefix}${ar_default}"
1779 cc_default="${cross_prefix}${cc_default}"
1780 nm_default="${cross_prefix}${nm_default}"
1781 ranlib="${cross_prefix}${ranlib}"
1782 strip_default="${cross_prefix}${strip_default}"
1783
1784 sysinclude_default="${sysroot}/usr/include"
1785
1786 set_default cc nm strip sysinclude
1787 enabled cross_compile || host_cc_default=$cc
1788 set_default host_cc
1789
1790 exesuf() {
1791 case $1 in
1792 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1793 esac
1794 }
1795
1796 EXESUF=$(exesuf $target_os)
1797 HOSTEXESUF=$(exesuf $host_os)
1798
1799 # set temporary file name
1800 : ${TMPDIR:=$TEMPDIR}
1801 : ${TMPDIR:=$TMP}
1802 : ${TMPDIR:=/tmp}
1803
1804 if ! check_cmd mktemp -u XXXXXX; then
1805 # simple replacement for missing mktemp
1806 # NOT SAFE FOR GENERAL USE
1807 mktemp(){
1808 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1809 }
1810 fi
1811
1812 tmpfile(){
1813 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1814 (set -C; exec > $tmp) 2>/dev/null ||
1815 die "Unable to create temporary file in $TMPDIR."
1816 append TMPFILES $tmp
1817 eval $1=$tmp
1818 }
1819
1820 trap 'rm -f -- $TMPFILES' EXIT
1821
1822 tmpfile TMPC .c
1823 tmpfile TMPE $EXESUF
1824 tmpfile TMPH .h
1825 tmpfile TMPO .o
1826 tmpfile TMPS .S
1827 tmpfile TMPV .ver
1828 tmpfile TMPSH .sh
1829 tmpfile TMPASM .asm
1830
1831 unset -f mktemp
1832
1833 chmod +x $TMPE
1834
1835 # make sure we can execute files in $TMPDIR
1836 cat > $TMPSH 2>> $logfile <<EOF
1837 #! /bin/sh
1838 EOF
1839 chmod +x $TMPSH >> $logfile 2>&1
1840 if ! $TMPSH >> $logfile 2>&1; then
1841 cat <<EOF
1842 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1843 variable to another directory and make sure that it is not mounted noexec.
1844 EOF
1845 die "Sanity test failed."
1846 fi
1847
1848 filter_cflags=echo
1849 filter_cppflags=echo
1850 filter_asflags=echo
1851
1852 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1853 cc_type=llvm_gcc
1854 cc_version=__VERSION__
1855 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1856 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1857 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1858 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1859 speed_cflags='-O3'
1860 size_cflags='-Os'
1861 elif $cc -v 2>&1 | grep -qi ^gcc; then
1862 cc_type=gcc
1863 cc_version=__VERSION__
1864 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1865 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1866 if ! $cc -dumpversion | grep -q '^2\.'; then
1867 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1868 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1869 fi
1870 speed_cflags='-O3'
1871 size_cflags='-Os'
1872 elif $cc --version 2>/dev/null | grep -q Intel; then
1873 cc_type=icc
1874 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1875 cc_ident=$($cc --version | head -n1)
1876 icc_version=$($cc -dumpversion)
1877 CC_DEPFLAGS='-MMD'
1878 AS_DEPFLAGS='-MMD'
1879 speed_cflags='-O3'
1880 size_cflags='-Os'
1881 noopt_cflags='-O1'
1882 elif $cc -v 2>&1 | grep -q xlc; then
1883 cc_type=xlc
1884 cc_version="AV_STRINGIFY(__IBMC__)"
1885 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1886 speed_cflags='-O5'
1887 size_cflags='-O5 -qcompact'
1888 elif $cc -V 2>/dev/null | grep -q Compaq; then
1889 cc_type=ccc
1890 cc_version="AV_STRINGIFY(__DECC_VER)"
1891 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1892 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1893 debuglevel=3
1894 add_ldflags -Wl,-z,now # calls to libots crash without this
1895 speed_cflags='-fast'
1896 size_cflags='-O1'
1897 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1898 test -d "$sysroot" || die "No valid sysroot specified."
1899 cc_type=armcc
1900 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1901 cc_ident=$($cc --vsn | head -n1)
1902 armcc_conf="$PWD/armcc.conf"
1903 $cc --arm_linux_configure \
1904 --arm_linux_config_file="$armcc_conf" \
1905 --configure_sysroot="$sysroot" \
1906 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1907 die "Error creating armcc configuration file."
1908 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1909 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1910 as_default="${cross_prefix}gcc"
1911 CC_DEPFLAGS='-MMD'
1912 AS_DEPFLAGS='-MMD'
1913 speed_cflags='-O3'
1914 size_cflags='-Os'
1915 filter_asflags="filter_out -W${armcc_opt}*"
1916 elif $cc -version 2>/dev/null | grep -q TMS470; then
1917 cc_type=tms470
1918 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1919 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1920 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1921 CC_O='-fr=$(@D)'
1922 as_default="${cross_prefix}gcc"
1923 ld_default="${cross_prefix}gcc"
1924 TMPO=$(basename $TMPC .c).o
1925 append TMPFILES $TMPO
1926 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1927 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1928 AS_DEPFLAGS='-MMD'
1929 speed_cflags='-O3 -mf=5'
1930 size_cflags='-O3 -mf=2'
1931 filter_cflags=tms470_flags
1932 tms470_flags(){
1933 for flag; do
1934 case $flag in
1935 -march=*|-mcpu=*)
1936 case "${flag#*=}" in
1937 armv7-a|cortex-a*) echo -mv=7a8 ;;
1938 armv7-r|cortex-r*) echo -mv=7r4 ;;
1939 armv7-m|cortex-m*) echo -mv=7m3 ;;
1940 armv6*|arm11*) echo -mv=6 ;;
1941 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1942 echo -mv=5e ;;
1943 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1944 esac
1945 ;;
1946 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1947 -mfpu=vfp) echo --float_support=vfpv2 ;;
1948 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1949 -msoft-float) echo --float_support=vfplib ;;
1950 -O[0-3]|-mf=*) echo $flag ;;
1951 -g) echo -g -mn ;;
1952 -pds=*) echo $flag ;;
1953 esac
1954 done
1955 }
1956 elif $cc -v 2>&1 | grep -q clang; then
1957 cc_type=clang
1958 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1959 cc_version=__clang_version__ || cc_version=__VERSION__
1960 cc_ident=$($cc --version | head -n1)
1961 CC_DEPFLAGS='-MMD'
1962 AS_DEPFLAGS='-MMD'
1963 speed_cflags='-O3'
1964 size_cflags='-Os'
1965 elif $cc -V 2>&1 | grep -q Sun; then
1966 cc_type=suncc
1967 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1968 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1969 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1970 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1971 speed_cflags='-O5'
1972 size_cflags='-O5 -xspace'
1973 filter_cflags=suncc_flags
1974 suncc_flags(){
1975 for flag; do
1976 case $flag in
1977 -march=*|-mcpu=*)
1978 case "${flag#*=}" in
1979 native) echo -xtarget=native ;;
1980 v9|niagara) echo -xarch=sparc ;;
1981 ultrasparc) echo -xarch=sparcvis ;;
1982 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1983 i586|pentium) echo -xchip=pentium ;;
1984 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1985 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1986 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1987 pentium4*) echo -xtarget=pentium4 ;;
1988 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1989 *-sse3) echo -xarch=sse3 ;;
1990 core2) echo -xarch=ssse3 -xchip=core2 ;;
1991 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1992 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1993 k8|opteron|athlon64|athlon-fx)
1994 echo -xarch=sse2a ;;
1995 athlon*) echo -xarch=pentium_proa ;;
1996 esac
1997 ;;
1998 -std=c99) echo -xc99 ;;
1999 -fomit-frame-pointer) echo -xregs=frameptr ;;
2000 -fPIC) echo -KPIC -xcode=pic32 ;;
2001 -W*,*) echo $flag ;;
2002 -f*-*|-W*) ;;
2003 *) echo $flag ;;
2004 esac
2005 done
2006 }
2007 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2008 cc_type=pathscale
2009 cc_version=__PATHSCALE__
2010 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2011 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2012 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2013 speed_cflags='-O2'
2014 size_cflags='-Os'
2015 elif $cc -v 2>&1 | grep -q Open64; then
2016 cc_type=open64
2017 cc_version=__OPEN64__
2018 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2019 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2020 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2021 speed_cflags='-O2'
2022 size_cflags='-Os'
2023 fi
2024
2025 test -n "$cc_type" && enable $cc_type ||
2026 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2027
2028 : ${as_default:=$cc}
2029 : ${dep_cc_default:=$cc}
2030 : ${ld_default:=$cc}
2031 set_default ar as dep_cc ld
2032
2033 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2034 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2035
2036 add_cflags $extra_cflags
2037 add_asflags $extra_cflags
2038
2039 if test -n "$sysroot"; then
2040 case "$cc_type" in
2041 gcc|llvm_gcc)
2042 add_cppflags --sysroot="$sysroot"
2043 add_ldflags --sysroot="$sysroot"
2044 ;;
2045 tms470)
2046 add_cppflags -I"$sysinclude"
2047 add_ldflags --sysroot="$sysroot"
2048 ;;
2049 clang)
2050 add_cppflags -isysroot "$sysroot"
2051 add_ldflags -isysroot "$sysroot"
2052 ;;
2053 esac
2054 fi
2055
2056 if test "$cpu" = host; then
2057 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2058
2059 case "$cc_type" in
2060 gcc|llvm_gcc)
2061 check_native(){
2062 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2063 sed -n "/$1=/{
2064 s/.*$1=\\([^ ]*\\).*/\\1/
2065 p
2066 q
2067 }" $TMPE
2068 }
2069 cpu=$(check_native -march || check_native -mcpu)
2070 ;;
2071 esac
2072
2073 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2074 fi
2075
2076 # Deal with common $arch aliases
2077 case "$arch" in
2078 arm*)
2079 arch="arm"
2080 ;;
2081 mips|mipsel|IP*)
2082 arch="mips"
2083 ;;
2084 mips64*)
2085 arch="mips"
2086 subarch="mips64"
2087 ;;
2088 parisc|hppa)
2089 arch="parisc"
2090 ;;
2091 parisc64|hppa64)
2092 arch="parisc"
2093 subarch="parisc64"
2094 ;;
2095 "Power Macintosh"|ppc|powerpc)
2096 arch="ppc"
2097 ;;
2098 ppc64|powerpc64)
2099 arch="ppc"
2100 subarch="ppc64"
2101 ;;
2102 s390|s390x)
2103 arch="s390"
2104 ;;
2105 sh4|sh)
2106 arch="sh4"
2107 ;;
2108 sun4u|sparc64)
2109 arch="sparc"
2110 subarch="sparc64"
2111 ;;
2112 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2113 arch="x86"
2114 ;;
2115 esac
2116
2117 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2118 enable $arch
2119
2120 # Add processor-specific flags
2121 if test "$cpu" = generic; then
2122 : do nothing
2123 elif enabled ppc; then
2124
2125 case $(tolower $cpu) in
2126 601|ppc601|powerpc601)
2127 cpuflags="-mcpu=601"
2128 disable altivec
2129 ;;
2130 603*|ppc603*|powerpc603*)
2131 cpuflags="-mcpu=603"
2132 disable altivec
2133 ;;
2134 604*|ppc604*|powerpc604*)
2135 cpuflags="-mcpu=604"
2136 disable altivec
2137 ;;
2138 g3|75*|ppc75*|powerpc75*)
2139 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2140 disable altivec
2141 ;;
2142 g4|745*|ppc745*|powerpc745*)
2143 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2144 ;;
2145 74*|ppc74*|powerpc74*)
2146 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2147 ;;
2148 g5|970|ppc970|powerpc970|power4*)
2149 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2150 ;;
2151 cell)
2152 cpuflags="-mcpu=cell"
2153 enable ldbrx
2154 ;;
2155 e500v2)
2156 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2157 disable altivec
2158 ;;
2159 e500)
2160 cpuflags="-mcpu=8540 -mhard-float"
2161 disable altivec
2162 ;;
2163 esac
2164
2165 elif enabled x86; then
2166
2167 case $cpu in
2168 i[345]86|pentium)
2169 cpuflags="-march=$cpu"
2170 disable mmx
2171 ;;
2172 # targets that do NOT support conditional mov (cmov)
2173 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2174 cpuflags="-march=$cpu"
2175 disable cmov
2176 ;;
2177 # targets that do support conditional mov (cmov)
2178 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2179 cpuflags="-march=$cpu"
2180 enable cmov
2181 enable fast_cmov
2182 ;;
2183 # targets that do support conditional mov but on which it's slow
2184 pentium4|pentium4m|prescott|nocona)
2185 cpuflags="-march=$cpu"
2186 enable cmov
2187 disable fast_cmov
2188 ;;
2189 esac
2190
2191 elif enabled sparc; then
2192
2193 case $cpu in
2194 niagara)
2195 cpuflags="-mcpu=$cpu"
2196 disable vis
2197 ;;
2198 sparc64)
2199 cpuflags="-mcpu=v9"
2200 ;;
2201 esac
2202
2203 elif enabled arm; then
2204
2205 case $cpu in
2206 armv*)
2207 cpuflags="-march=$cpu"
2208 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2209 ;;
2210 *)
2211 cpuflags="-mcpu=$cpu"
2212 case $cpu in
2213 cortex-a*) subarch=armv7a ;;
2214 cortex-r*) subarch=armv7r ;;
2215 cortex-m*) subarch=armv7m ;;
2216 arm11*) subarch=armv6 ;;
2217 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2218 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2219 esac
2220 ;;
2221 esac
2222
2223 elif enabled alpha; then
2224
2225 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2226
2227 elif enabled bfin; then
2228
2229 cpuflags="-mcpu=$cpu"
2230
2231 elif enabled mips; then
2232
2233 cpuflags="-march=$cpu"
2234
2235 elif enabled avr32; then
2236
2237 case $cpu in
2238 ap7[02]0[0-2])
2239 subarch="avr32_ap"
2240 cpuflags="-mpart=$cpu"
2241 ;;
2242 ap)
2243 subarch="avr32_ap"
2244 cpuflags="-march=$cpu"
2245 ;;
2246 uc3[ab]*)
2247 subarch="avr32_uc"
2248 cpuflags="-mcpu=$cpu"
2249 ;;
2250 uc)
2251 subarch="avr32_uc"
2252 cpuflags="-march=$cpu"
2253 ;;
2254 esac
2255
2256 fi
2257
2258 add_cflags $cpuflags
2259 add_asflags $cpuflags
2260
2261 # compiler sanity check
2262 check_exec <<EOF
2263 int main(void){ return 0; }
2264 EOF
2265 if test "$?" != 0; then
2266 echo "$cc is unable to create an executable file."
2267 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2268 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2269 echo "Only do this if you know what cross compiling means."
2270 fi
2271 die "C compiler test failed."
2272 fi
2273
2274 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2275 check_cflags -std=c99
2276 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2277 #include <stdlib.h>
2278 EOF
2279 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2280 #include <stdlib.h>
2281 EOF
2282
2283 check_host_cflags -std=c99
2284
2285 case "$arch" in
2286 alpha|ia64|mips|parisc|sparc)
2287 spic=$shared
2288 ;;
2289 x86)
2290 subarch="x86_32"
2291 check_cc <<EOF && subarch="x86_64"
2292 int test[(int)sizeof(char*) - 7];
2293 EOF
2294 if test "$subarch" = "x86_64"; then
2295 spic=$shared
2296 fi
2297 ;;
2298 esac
2299
2300 enable $subarch
2301 enabled spic && enable pic
2302
2303 # OS specific
2304 case $target_os in
2305 haiku)
2306 prefix_default="/boot/common"
2307 network_extralibs="-lnetwork"
2308 ;;
2309 sunos)
2310 FFSERVERLDFLAGS=""
2311 SHFLAGS='-shared -Wl,-h,$$(@F)'
2312 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2313 network_extralibs="-lsocket -lnsl"
2314 add_cppflags -D__EXTENSIONS__
2315 nm_opts='-P -g'
2316 ;;
2317 netbsd)
2318 disable symver
2319 oss_indev_extralibs="-lossaudio"
2320 oss_outdev_extralibs="-lossaudio"
2321 add_cppflags -D_XOPEN_SOURCE=600
2322 ;;
2323 openbsd)
2324 enable malloc_aligned
2325 # On OpenBSD 4.5. the compiler does not use PIC unless
2326 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2327 # however the generated executable will not do anything
2328 # (simply quits with exit-code 1, no crash, no output).
2329 # Thus explicitly enable PIC here.
2330 enable pic
2331 disable symver
2332 SHFLAGS='-shared'
2333 oss_indev_extralibs="-lossaudio"
2334 oss_outdev_extralibs="-lossaudio"
2335 ;;
2336 dragonfly)
2337 enable malloc_aligned
2338 disable symver
2339 ;;
2340 freebsd)
2341 enable malloc_aligned
2342 ;;
2343 bsd/os)
2344 add_extralibs -lpoll -lgnugetopt
2345 strip="strip -d"
2346 ;;
2347 darwin)
2348 enable malloc_aligned
2349 gas="gas-preprocessor.pl $cc"
2350 enabled ppc && add_asflags -force_cpusubtype_ALL
2351 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2352 strip="${strip} -x"
2353 add_ldflags -Wl,-dynamic,-search_paths_first
2354 SLIBSUF=".dylib"
2355 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2356 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2357 FFSERVERLDFLAGS=-Wl,-bind_at_load
2358 objformat="macho"
2359 enabled x86_64 && objformat="macho64"
2360 enabled_any pic shared ||
2361 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2362 ;;
2363 mingw32*)
2364 if test $target_os = "mingw32ce"; then
2365 disable network
2366 else
2367 target_os=mingw32
2368 fi
2369 LIBTARGET=i386
2370 if enabled x86_64; then
2371 enable malloc_aligned
2372 LIBTARGET=x64
2373 elif enabled arm; then
2374 LIBTARGET=arm
2375 fi
2376 shlibdir_default="$bindir_default"
2377 disable ffserver
2378 SLIBPREF=""
2379 SLIBSUF=".dll"
2380 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2381 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2382 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2383 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2384 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2385 install -d "$(LIBDIR)"; \
2386 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2387 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2388 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'
2389 objformat="win32"
2390 enable dos_paths
2391 check_cflags -fno-common
2392 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2393 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2394 die "ERROR: MinGW runtime version must be >= 3.15."
2395 ;;
2396 cygwin*)
2397 target_os=cygwin
2398 shlibdir_default="$bindir_default"
2399 SLIBPREF="cyg"
2400 SLIBSUF=".dll"
2401 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2402 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2403 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2404 objformat="win32"
2405 enable dos_paths
2406 check_cflags -fno-common
2407 ;;
2408 *-dos|freedos|opendos)
2409 disable ffplay ffserver
2410 disable $INDEV_LIST $OUTDEV_LIST
2411 network_extralibs="-lsocket"
2412 objformat="coff"
2413 enable dos_paths
2414 ;;
2415 linux)
2416 enable dv1394
2417 ;;
2418 irix*)
2419 target_os=irix
2420 ranlib="echo ignoring ranlib"
2421 ;;
2422 os/2*)
2423 strip="lxlite"
2424 ln_s="cp -f"
2425 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2426 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2427 FFSERVERLDFLAGS=""
2428 LIBSUF="_s.a"
2429 SLIBPREF=""
2430 SLIBSUF=".dll"
2431 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2432 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2433 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2434 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2435 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2436 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2437 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2438 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2439 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2440 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2441 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2442 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2443 enable dos_paths
2444 ;;
2445 gnu/kfreebsd)
2446 ;;
2447 gnu)
2448 ;;
2449 qnx)
2450 add_cppflags -D_QNX_SOURCE
2451 network_extralibs="-lsocket"
2452 ;;
2453 none)
2454 ;;
2455 *)
2456 die "Unknown OS '$target_os'."
2457 ;;
2458 esac
2459
2460 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2461
2462 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2463
2464 set_default $PATHS_LIST
2465
2466 # we need to build at least one lib type
2467 if ! enabled_any static shared; then
2468 cat <<EOF
2469 At least one library type must be built.
2470 Specify --enable-static to build the static libraries or --enable-shared to
2471 build the shared libraries as well. To only build the shared libraries specify
2472 --disable-static in addition to --enable-shared.
2473 EOF
2474 exit 1;
2475 fi
2476
2477 disabled static && LIBNAME=""
2478
2479 die_license_disabled() {
2480 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2481 }
2482
2483 die_license_disabled gpl libx264
2484 die_license_disabled gpl libxavs
2485 die_license_disabled gpl libxvid
2486 die_license_disabled gpl postproc
2487 die_license_disabled gpl x11grab
2488
2489 die_license_disabled nonfree libfaac
2490
2491 die_license_disabled version3 libopencore_amrnb
2492 die_license_disabled version3 libopencore_amrwb
2493
2494 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2495
2496 check_deps $ARCH_EXT_LIST
2497
2498 disabled optimizations || check_cflags -fomit-frame-pointer
2499
2500 enable_pic() {
2501 enable pic
2502 add_cppflags -DPIC
2503 add_cflags -fPIC
2504 add_asflags -fPIC
2505 }
2506
2507 enabled pic && enable_pic
2508
2509 check_cc <<EOF || die "Symbol mangling check failed."
2510 int ff_extern;
2511 EOF
2512 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2513 extern_prefix=${sym%%ff_extern*}
2514
2515 check_cc <<EOF && enable inline_asm
2516 void foo(void) { __asm__ volatile ("" ::); }
2517 EOF
2518
2519 _restrict=
2520 for restrict_keyword in restrict __restrict__ __restrict; do
2521 check_cc <<EOF && _restrict=$restrict_keyword && break
2522 void foo(char * $restrict_keyword p);
2523 EOF
2524 done
2525
2526 check_cc <<EOF && enable attribute_packed
2527 struct { int x; } __attribute__((packed)) x;
2528 EOF
2529
2530 check_cc <<EOF && enable attribute_may_alias
2531 union { int x; } __attribute__((may_alias)) x;
2532 EOF
2533
2534 check_cc <<EOF || die "endian test failed"
2535 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2536 EOF
2537 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2538
2539 if enabled alpha; then
2540
2541 check_cflags -mieee
2542
2543 elif enabled arm; then
2544
2545 check_cflags -marm
2546 nogas=die
2547
2548 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2549 enable vfp_args
2550 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2551 case "${cross_prefix:-$cc}" in
2552 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2553 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2554 __asm__ (".eabi_attribute 28, 1");
2555 int main(void) { return 0; }
2556 EOF
2557 esac
2558 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2559 fi
2560
2561 # We have to check if pld is a nop and disable it.
2562 check_asm pld '"pld [r0]"'
2563
2564 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2565 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2566 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2567 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2568 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2569 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2570
2571 enabled_all armv6t2 shared !pic && enable_pic
2572
2573 elif enabled mips; then
2574
2575 check_asm loongson '"dmult.g $1, $2, $3"'
2576 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2577
2578 elif enabled ppc; then
2579
2580 enable local_aligned_8 local_aligned_16
2581
2582 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2583 check_asm ibm_asm '"add 0, 0, 0"'
2584 check_asm ppc4xx '"maclhw r10, r11, r12"'
2585 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2586
2587 # AltiVec flags: The FSF version of GCC differs from the Apple version
2588 if enabled altivec; then
2589 nogas=warn
2590 check_cflags -maltivec -mabi=altivec &&
2591 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2592 check_cflags -faltivec
2593
2594 # check if our compiler supports Motorola AltiVec C API
2595 check_cc <<EOF || disable altivec
2596 $inc_altivec_h
2597 int main(void) {
2598 vector signed int v1, v2, v3;
2599 v1 = vec_add(v2,v3);
2600 return 0;
2601 }
2602 EOF
2603
2604 # check if our compiler supports braces for vector declarations
2605 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2606 $inc_altivec_h
2607 int main (void) { (vector int) {1}; return 0; }
2608 EOF
2609 fi
2610
2611 elif enabled sparc; then
2612
2613 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2614 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2615
2616 elif enabled x86; then
2617
2618 enable local_aligned_8 local_aligned_16
2619
2620 # check whether EBP is available on x86
2621 # As 'i' is stored on the stack, this program will crash
2622 # if the base pointer is used to access it because the
2623 # base pointer is cleared in the inline assembly code.
2624 check_exec_crash <<EOF && enable ebp_available
2625 volatile int i=0;
2626 __asm__ volatile (
2627 "xorl %%ebp, %%ebp"
2628 ::: "%ebp");
2629 return i;
2630 EOF
2631
2632 # check whether EBX is available on x86
2633 check_asm ebx_available '""::"b"(0)' &&
2634 check_asm ebx_available '"":::"%ebx"'
2635
2636 # check whether xmm clobbers are supported
2637 check_asm xmm_clobbers '"":::"%xmm0"'
2638
2639 # check whether more than 10 operands are supported
2640 check_cc <<EOF && enable ten_operands
2641 int main(void) {
2642 int x=0;
2643 __asm__ volatile(
2644 ""
2645 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2646 );
2647 return 0;
2648 }
2649 EOF
2650
2651 # check whether binutils is new enough to compile SSSE3/MMX2
2652 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2653 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2654
2655 check_asm bswap '"bswap %%eax" ::: "%eax"'
2656
2657 if ! disabled_any asm mmx yasm; then
2658 if check_cmd $yasmexe --version; then
2659 enabled x86_64 && yasm_extra="-m amd64"
2660 yasm_debug="-g dwarf2"
2661 elif check_cmd nasm -v; then
2662 yasmexe=nasm
2663 yasm_debug="-g -F dwarf"
2664 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2665 fi
2666
2667 YASMFLAGS="-f $objformat $yasm_extra"
2668 enabled pic && append YASMFLAGS "-DPIC"
2669 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2670 case "$objformat" in
2671 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2672 esac
2673
2674 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2675 die "yasm not found, use --disable-yasm for a crippled build"
2676 fi
2677
2678 case "$cpu" in
2679 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2680 disable fast_clz
2681 ;;
2682 esac
2683
2684 fi
2685
2686 if enabled asm; then
2687 as=${gas:=$as}
2688 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2689 $nogas "GNU assembler not found, install gas-preprocessor"
2690 fi
2691
2692 if check_func dlopen; then
2693 ldl=
2694 elif check_func dlopen -ldl; then
2695 ldl=-ldl
2696 fi
2697
2698 if enabled network; then
2699 check_type "sys/types.h sys/socket.h" socklen_t
2700 check_type netdb.h "struct addrinfo"
2701 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2702 check_type netinet/in.h "struct sockaddr_in6"
2703 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2704 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2705 # Prefer arpa/inet.h over winsock2
2706 if check_header arpa/inet.h ; then
2707 check_func closesocket
2708 elif check_header winsock2.h ; then
2709 check_func_headers winsock2.h closesocket -lws2 && \
2710 network_extralibs="-lws2" || \
2711 { check_func_headers winsock2.h closesocket -lws2_32 && \
2712 network_extralibs="-lws2_32"; }
2713 check_type ws2tcpip.h socklen_t
2714 check_type ws2tcpip.h "struct addrinfo"
2715 check_type ws2tcpip.h "struct ipv6_mreq"
2716 check_type ws2tcpip.h "struct sockaddr_in6"
2717 check_type ws2tcpip.h "struct sockaddr_storage"
2718 check_struct winsock2.h "struct sockaddr" sa_len
2719 else
2720 disable network
2721 fi
2722 fi
2723
2724 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2725 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2726
2727 check_func fcntl
2728 check_func fork
2729 check_func getaddrinfo $network_extralibs
2730 check_func gethrtime
2731 check_func getrusage
2732 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2733 check_func inet_aton $network_extralibs
2734 check_func isatty
2735 check_func ${malloc_prefix}memalign && enable memalign
2736 check_func mkstemp
2737 check_func mmap
2738 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2739 check_func setrlimit
2740 check_func strerror_r
2741 check_func strtok_r
2742 check_func_headers io.h setmode
2743 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2744 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2745 check_func_headers windows.h GetProcessTimes
2746 check_func_headers windows.h MapViewOfFile
2747 check_func_headers windows.h VirtualAlloc
2748
2749 check_header conio.h
2750 check_header dlfcn.h
2751 check_header dxva2api.h
2752 check_header malloc.h
2753 check_header poll.h
2754 check_header sys/mman.h
2755 check_header sys/resource.h
2756 check_header sys/select.h
2757 check_header termios.h
2758 check_header vdpau/vdpau.h
2759 check_header vdpau/vdpau_x11.h
2760 check_header X11/extensions/XvMClib.h
2761
2762 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2763
2764 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2765 enabled_any $need_memalign ; then
2766 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2767 fi
2768
2769 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2770 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2771
2772 # check for some common methods of building with pthread support
2773 # do this before the optional library checks as some of them require pthreads
2774 if ! disabled pthreads && ! enabled w32threads; then
2775 enable pthreads
2776 if check_func pthread_create; then
2777 :
2778 elif check_func pthread_create -pthread; then
2779 add_cflags -pthread
2780 add_extralibs -pthread
2781 elif check_func pthread_create -pthreads; then
2782 add_cflags -pthreads
2783 add_extralibs -pthreads
2784 elif check_func pthread_create -lpthreadGC2; then
2785 add_extralibs -lpthreadGC2
2786 elif ! check_lib pthread.h pthread_create -lpthread; then
2787 disable pthreads
2788 fi
2789 fi
2790
2791 for thread in $THREADS_LIST; do
2792 if enabled $thread; then
2793 test -n "$thread_type" &&
2794 die "ERROR: Only one thread type must be selected." ||
2795 thread_type="$thread"
2796 fi
2797 done
2798
2799 check_lib math.h sin -lm
2800 disabled vaapi || check_lib va/va.h vaInitialize -lva
2801
2802 check_mathfunc exp2
2803 check_mathfunc exp2f
2804 check_mathfunc llrint
2805 check_mathfunc llrintf
2806 check_mathfunc log2
2807 check_mathfunc log2f
2808 check_mathfunc lrint
2809 check_mathfunc lrintf
2810 check_mathfunc round
2811 check_mathfunc roundf
2812 check_mathfunc truncf
2813
2814 # these are off by default, so fail if requested and not available
2815 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2816 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2817 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2818 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2819 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2820 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2821 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2822 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2823 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2824 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2825 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2826 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2827 die "ERROR: libopencv not found"; }
2828 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2829 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2830 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2831 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2832 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2833 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2834 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2835 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2836 enabled libvpx && {
2837 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2838 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2839 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2840 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2841 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2842 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2843 die "ERROR: libx264 version must be >= 0.99."; }
2844 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2845 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2846 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2847
2848 # libdc1394 check
2849 if enabled libdc1394; then
2850 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2851 enable libdc1394_2; } ||
2852 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2853 enable libdc1394_1; } ||
2854 die "ERROR: No version of libdc1394 found "
2855 fi
2856
2857 SDL_CONFIG="${cross_prefix}sdl-config"
2858 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2859 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2860 sdl_libs=$("${SDL_CONFIG}" --libs)
2861 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2862 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2863 enable sdl &&
2864 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2865 fi
2866
2867 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2868
2869 check_header linux/videodev.h
2870 check_header linux/videodev2.h
2871 check_header sys/videoio.h
2872
2873 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2874 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2875 # w32api 3.12 had it defined wrong
2876 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2877
2878 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2879 { check_header dev/bktr/ioctl_meteor.h &&
2880 check_header dev/bktr/ioctl_bt848.h; } ||
2881 { check_header machine/ioctl_meteor.h &&
2882 check_header machine/ioctl_bt848.h; } ||
2883 { check_header dev/video/meteor/ioctl_meteor.h &&
2884 check_header dev/video/bktr/ioctl_bt848.h; } ||
2885 check_header dev/ic/bt8xx.h
2886
2887 check_header sys/soundcard.h
2888 check_header soundcard.h
2889
2890 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2891
2892 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2893
2894 enabled x11grab &&
2895 check_header X11/Xlib.h &&
2896 check_header X11/extensions/XShm.h &&
2897 check_header X11/extensions/Xfixes.h &&
2898 check_func XOpenDisplay -lX11 &&
2899 check_func XShmCreateImage -lX11 -lXext &&
2900 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2901
2902 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2903 check_cpp_condition \
2904 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2905 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2906 disable vdpau; }
2907 fi
2908
2909 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2910
2911 # add some useful compiler flags if supported
2912 check_cflags -Wdeclaration-after-statement
2913 check_cflags -Wall
2914 check_cflags -Wno-parentheses
2915 check_cflags -Wno-switch
2916 check_cflags -Wdisabled-optimization
2917 check_cflags -Wpointer-arith
2918 check_cflags -Wredundant-decls
2919 check_cflags -Wno-pointer-sign
2920 check_cflags -Wcast-qual
2921 check_cflags -Wwrite-strings
2922 check_cflags -Wtype-limits
2923 check_cflags -Wundef
2924 check_cflags -Wmissing-prototypes
2925 enabled extra_warnings && check_cflags -Winline
2926
2927 # add some linker flags
2928 check_ldflags -Wl,--warn-common
2929 check_ldflags -Wl,--as-needed
2930 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'
2931 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2932
2933 echo "X{};" > $TMPV
2934 if test_ldflags -Wl,--version-script,$TMPV; then
2935 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2936 check_cc <<EOF && enable symver_asm_label
2937 void ff_foo(void) __asm__ ("av_foo@VERSION");
2938 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2939 EOF
2940 check_cc <<EOF && enable symver_gnu_asm
2941 __asm__(".symver ff_foo,av_foo@VERSION");
2942 void ff_foo(void) {}
2943 EOF
2944 fi
2945
2946 if enabled small; then
2947 add_cflags $size_cflags
2948 optimizations="small"
2949 elif enabled optimizations; then
2950 add_cflags $speed_cflags
2951 else
2952 add_cflags $noopt_cflags
2953 fi
2954 check_cflags -fno-math-errno
2955 check_cflags -fno-signed-zeros
2956
2957 if enabled icc; then
2958 # Just warnings, no remarks
2959 check_cflags -w1
2960 # -wd: Disable following warnings
2961 # 144, 167, 556: -Wno-pointer-sign
2962 # 10006: ignoring unknown option -fno-signed-zeros
2963 # 10148: ignoring unknown option -Wno-parentheses
2964 # 10156: ignoring option '-W'; no argument required
2965 check_cflags -wd144,167,556,10006,10148,10156
2966 # 11030: Warning unknown option --as-needed
2967 # 10156: ignoring option '-export'; no argument required
2968 check_ldflags -wd10156,11030
2969 # Allow to compile with optimizations
2970 check_ldflags -march=$cpu
2971 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2972 enable ebp_available
2973 if enabled x86_32; then
2974 test ${icc_version%%.*} -ge 11 && \
2975 check_cflags -falign-stack=maintain-16-byte || \
2976 disable aligned_stack
2977 fi
2978 elif enabled ccc; then
2979 # disable some annoying warnings
2980 add_cflags -msg_disable cvtu32to64
2981 add_cflags -msg_disable embedcomment
2982 add_cflags -msg_disable needconstext
2983 add_cflags -msg_disable nomainieee
2984 add_cflags -msg_disable ptrmismatch1
2985 add_cflags -msg_disable unreachcode
2986 elif enabled gcc; then
2987 check_cflags -fno-tree-vectorize
2988 check_cflags -Werror=implicit-function-declaration
2989 check_cflags -Werror=missing-prototypes
2990 elif enabled llvm_gcc; then
2991 check_cflags -mllvm -stack-alignment=16
2992 elif enabled clang; then
2993 check_cflags -mllvm -stack-alignment=16
2994 check_cflags -Qunused-arguments
2995 elif enabled armcc; then
2996 # 2523: use of inline assembler is deprecated
2997 add_cflags -W${armcc_opt},--diag_suppress=2523
2998 add_cflags -W${armcc_opt},--diag_suppress=1207
2999 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3000 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3001 elif enabled tms470; then
3002 add_cflags -pds=824 -pds=837
3003 elif enabled pathscale; then
3004 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3005 fi
3006
3007 enabled_any $THREADS_LIST && enable threads
3008
3009 check_deps $CONFIG_LIST \
3010 $CONFIG_EXTRA \
3011 $HAVE_LIST \
3012 $DECODER_LIST \
3013 $ENCODER_LIST \
3014 $HWACCEL_LIST \
3015 $PARSER_LIST \
3016 $BSF_LIST \
3017 $DEMUXER_LIST \
3018 $MUXER_LIST \
3019 $FILTER_LIST \
3020 $INDEV_LIST \
3021 $OUTDEV_LIST \
3022 $PROTOCOL_LIST \
3023 $ACODEC_TESTS \
3024 $VCODEC_TESTS \
3025 $LAVF_TESTS \
3026 $LAVFI_TESTS \
3027 $SEEK_TESTS \
3028
3029 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3030
3031 echo "install prefix $prefix"
3032 echo "source path $source_path"
3033 echo "C compiler $cc"
3034 echo "ARCH $arch ($cpu)"
3035 if test "$build_suffix" != ""; then
3036 echo "build suffix $build_suffix"
3037 fi
3038 if test "$extra_version" != ""; then
3039 echo "version string suffix $extra_version"
3040 fi
3041 echo "big-endian ${bigendian-no}"
3042 echo "runtime cpu detection ${runtime_cpudetect-no}"
3043 if enabled x86; then
3044 echo "yasm ${yasm-no}"
3045 echo "MMX enabled ${mmx-no}"
3046 echo "MMX2 enabled ${mmx2-no}"
3047 echo "3DNow! enabled ${amd3dnow-no}"
3048 echo "3DNow! extended enabled ${amd3dnowext-no}"
3049 echo "SSE enabled ${sse-no}"
3050 echo "SSSE3 enabled ${ssse3-no}"
3051 echo "CMOV enabled ${cmov-no}"
3052 echo "CMOV is fast ${fast_cmov-no}"
3053 echo "EBX available ${ebx_available-no}"
3054 echo "EBP available ${ebp_available-no}"
3055 echo "10 operands supported ${ten_operands-no}"
3056 fi
3057 if enabled arm; then
3058 echo "ARMv5TE enabled ${armv5te-no}"
3059 echo "ARMv6 enabled ${armv6-no}"
3060 echo "ARMv6T2 enabled ${armv6t2-no}"
3061 echo "ARM VFP enabled ${armvfp-no}"
3062 echo "IWMMXT enabled ${iwmmxt-no}"
3063 echo "NEON enabled ${neon-no}"
3064 fi
3065 if enabled mips; then
3066 echo "MMI enabled ${mmi-no}"
3067 fi
3068 if enabled ppc; then
3069 echo "AltiVec enabled ${altivec-no}"
3070 echo "PPC 4xx optimizations ${ppc4xx-no}"
3071 echo "dcbzl available ${dcbzl-no}"
3072 fi
3073 if enabled sparc; then
3074 echo "VIS enabled ${vis-no}"
3075 fi
3076 echo "debug symbols ${debug-no}"
3077 echo "strip symbols ${stripping-no}"
3078 echo "optimizations ${optimizations-no}"
3079 echo "static ${static-no}"
3080 echo "shared ${shared-no}"
3081 echo "postprocessing support ${postproc-no}"
3082 echo "new filter support ${avfilter-no}"
3083 echo "network support ${network-no}"
3084 echo "threading support ${thread_type-no}"
3085 echo "SDL support ${sdl-no}"
3086 echo "Sun medialib support ${mlib-no}"
3087 echo "AVISynth enabled ${avisynth-no}"
3088 echo "frei0r enabled ${frei0r-no}"
3089 echo "libdc1394 support ${libdc1394-no}"
3090 echo "libdirac enabled ${libdirac-no}"
3091 echo "libfaac enabled ${libfaac-no}"
3092 echo "libgsm enabled ${libgsm-no}"
3093 echo "libmp3lame enabled ${libmp3lame-no}"
3094 echo "libnut enabled ${libnut-no}"
3095 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3096 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3097 echo "libopencv support ${libopencv-no}"
3098 echo "libopenjpeg enabled ${libopenjpeg-no}"
3099 echo "librtmp enabled ${librtmp-no}"
3100 echo "libschroedinger enabled ${libschroedinger-no}"
3101 echo "libspeex enabled ${libspeex-no}"
3102 echo "libtheora enabled ${libtheora-no}"
3103 echo "libvorbis enabled ${libvorbis-no}"
3104 echo "libvpx enabled ${libvpx-no}"
3105 echo "libx264 enabled ${libx264-no}"
3106 echo "libxavs enabled ${libxavs-no}"
3107 echo "libxvid enabled ${libxvid-no}"
3108 echo "zlib enabled ${zlib-no}"
3109 echo "bzlib enabled ${bzlib-no}"
3110 echo
3111
3112 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3113 echo "Enabled ${type}s:"
3114 eval list=\$$(toupper $type)_LIST
3115 print_enabled '_*' $list | sort | pr -3 -t
3116 echo
3117 done
3118
3119 license="LGPL version 2.1 or later"
3120 if enabled nonfree; then
3121 license="nonfree and unredistributable"
3122 elif enabled gplv3; then
3123 license="GPL version 3 or later"
3124 elif enabled lgplv3; then
3125 license="LGPL version 3 or later"
3126 elif enabled gpl; then
3127 license="GPL version 2 or later"
3128 fi
3129
3130 echo "License: $license"
3131
3132 echo "Creating config.mak and config.h..."
3133
3134 # build tree in object directory if source path is different from current one
3135 if enabled source_path_used; then
3136 DIRS="
3137 doc
3138 libavcodec
3139 libavcodec/$arch
3140 libavcore
3141 libavdevice
3142 libavfilter
3143 libavfilter/$arch
3144 libavformat
3145 libavutil
3146 libavutil/$arch
3147 libpostproc
3148 libswscale
3149 libswscale/$arch
3150 tests
3151 tools
3152 "
3153 FILES="
3154 Makefile
3155 common.mak
3156 subdir.mak
3157 doc/texi2pod.pl
3158 libavcodec/Makefile
3159 libavcodec/${arch}/Makefile
3160 libavcore/Makefile
3161 libavdevice/Makefile
3162 libavfilter/Makefile
3163 libavfilter/${arch}/Makefile
3164 libavformat/Makefile
3165 libavutil/Makefile
3166 libpostproc/Makefile
3167 libswscale/Makefile
3168 "
3169 map 'mkdir -p $v' $DIRS;
3170 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3171 fi
3172
3173 enabled stripping || strip="echo skipping strip"
3174
3175 config_files="$TMPH config.mak"
3176
3177 cat > config.mak <<EOF
3178 # Automatically generated by configure - do not modify!
3179 ifndef FFMPEG_CONFIG_MAK
3180 FFMPEG_CONFIG_MAK=1
3181 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3182 prefix=$prefix
3183 LIBDIR=\$(DESTDIR)$libdir
3184 SHLIBDIR=\$(DESTDIR)$shlibdir
3185 INCDIR=\$(DESTDIR)$incdir
3186 BINDIR=\$(DESTDIR)$bindir
3187 DATADIR=\$(DESTDIR)$datadir
3188 MANDIR=\$(DESTDIR)$mandir
3189 SRC_PATH="$source_path"
3190 SRC_PATH_BARE=$source_path
3191 BUILD_ROOT="$PWD"
3192 CC_IDENT=$cc_ident
3193 ARCH=$arch
3194 CC=$cc
3195 AS=$as
3196 LD=$ld
3197 DEPCC=$dep_cc
3198 YASM=$yasmexe
3199 YASMDEP=$yasmexe
3200 AR=$ar
3201 RANLIB=$ranlib
3202 CP=cp -p
3203 LN_S=$ln_s
3204 STRIP=$strip
3205 CPPFLAGS=$CPPFLAGS
3206 CFLAGS=$CFLAGS
3207 ASFLAGS=$ASFLAGS
3208 CC_O=$CC_O
3209 LDFLAGS=$LDFLAGS
3210 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3211 SHFLAGS=$SHFLAGS
3212 YASMFLAGS=$YASMFLAGS
3213 BUILDSUF=$build_suffix
3214 FULLNAME=$FULLNAME
3215 LIBPREF=$LIBPREF
3216 LIBSUF=$LIBSUF
3217 LIBNAME=$LIBNAME
3218 SLIBPREF=$SLIBPREF
3219 SLIBSUF=$SLIBSUF
3220 EXESUF=$EXESUF
3221 EXTRA_VERSION=$extra_version
3222 DEPFLAGS=$DEPFLAGS
3223 CCDEP=$CCDEP
3224 ASDEP=$ASDEP
3225 CC_DEPFLAGS=$CC_DEPFLAGS
3226 AS_DEPFLAGS=$AS_DEPFLAGS
3227 HOSTCC=$host_cc
3228 HOSTCFLAGS=$host_cflags
3229 HOSTEXESUF=$HOSTEXESUF
3230 HOSTLDFLAGS=$host_ldflags
3231 HOSTLIBS=$host_libs
3232 TARGET_EXEC=$target_exec
3233 TARGET_PATH=$target_path
3234 SDL_LIBS=$sdl_libs
3235 SDL_CFLAGS=$sdl_cflags
3236 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3237 EXTRALIBS=$extralibs
3238 INSTALL=install
3239 LIBTARGET=${LIBTARGET}
3240 SLIBNAME=${SLIBNAME}
3241 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3242 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3243 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3244 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3245 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3246 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3247 SAMPLES=$samples
3248 EOF
3249
3250 get_version(){
3251 name=$1
3252 file=$source_path/$2
3253 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3254 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3255 lcname=$(tolower $name)
3256 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3257 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3258 }
3259
3260 get_version LIBSWSCALE libswscale/swscale.h
3261 get_version LIBPOSTPROC libpostproc/postprocess.h
3262 get_version LIBAVCODEC libavcodec/avcodec.h
3263 get_version LIBAVCORE libavcore/avcore.h
3264 get_version LIBAVDEVICE libavdevice/avdevice.h
3265 get_version LIBAVFORMAT libavformat/version.h
3266 get_version LIBAVUTIL libavutil/avutil.h
3267 get_version LIBAVFILTER libavfilter/avfilter.h
3268
3269 cat > $TMPH <<EOF
3270 /* Automatically generated by configure - do not modify! */
3271 #ifndef FFMPEG_CONFIG_H
3272 #define FFMPEG_CONFIG_H
3273 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3274 #define FFMPEG_LICENSE "$(c_escape $license)"
3275 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3276 #define CC_TYPE "$cc_type"
3277 #define CC_VERSION $cc_version
3278 #define restrict $_restrict
3279 #define EXTERN_PREFIX "${extern_prefix}"
3280 #define EXTERN_ASM ${extern_prefix}
3281 #define SLIBSUF "$SLIBSUF"
3282 EOF
3283
3284 test -n "$malloc_prefix" &&
3285 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3286
3287 if enabled small || disabled optimizations; then
3288 echo "#undef av_always_inline" >> $TMPH
3289 if enabled small; then
3290 echo "#define av_always_inline inline" >> $TMPH
3291 else
3292 echo "#define av_always_inline av_unused" >> $TMPH
3293 fi
3294 fi
3295
3296 if enabled yasm; then
3297 append config_files $TMPASM
3298 printf '' >$TMPASM
3299 fi
3300
3301 print_config ARCH_ "$config_files" $ARCH_LIST
3302 print_config HAVE_ "$config_files" $HAVE_LIST
3303 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3304 $CONFIG_EXTRA \
3305 $DECODER_LIST \
3306 $ENCODER_LIST \
3307 $HWACCEL_LIST \
3308 $PARSER_LIST \
3309 $BSF_LIST \
3310 $DEMUXER_LIST \
3311 $MUXER_LIST \
3312 $FILTER_LIST \
3313 $PROTOCOL_LIST \
3314 $INDEV_LIST \
3315 $OUTDEV_LIST \
3316
3317 cat >>config.mak <<EOF
3318 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3319 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3320 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3321 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3322 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3323 EOF
3324
3325 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3326 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3327
3328 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3329 cp_if_changed $TMPH config.h
3330 touch .config
3331
3332 enabled yasm && cp_if_changed $TMPASM config.asm
3333
3334 cat > $TMPH <<EOF
3335 /* Generated by ffconf */
3336 #ifndef AVUTIL_AVCONFIG_H
3337 #define AVUTIL_AVCONFIG_H
3338 EOF
3339
3340 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3341
3342 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3343
3344 cp_if_changed $TMPH libavutil/avconfig.h
3345
3346 test -n "$WARNINGS" && printf "\n$WARNINGS"
3347
3348 # build pkg-config files
3349
3350 pkgconfig_generate(){
3351 name=$1
3352 shortname=${name#lib}${build_suffix}
3353 comment=$2
3354 version=$3
3355 libs=$4
3356 requires=$5
3357 enabled ${name#lib} || return 0
3358 cat <<EOF > $name/$name.pc
3359 prefix=$prefix
3360 exec_prefix=\${prefix}
3361 libdir=$libdir
3362 includedir=$incdir
3363
3364 Name: $name
3365 Description: $comment
3366 Version: $version
3367 Requires: $(enabled shared || echo $requires)
3368 Requires.private: $(enabled shared && echo $requires)
3369 Conflicts:
3370 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3371 Libs.private: $(enabled shared && echo $libs)
3372 Cflags: -I\${includedir}
3373 EOF
3374 cat <<EOF > $name/$name-uninstalled.pc
3375 prefix=
3376 exec_prefix=
3377 libdir=\${pcfiledir}
3378 includedir=${source_path}
3379
3380 Name: $name
3381 Description: $comment
3382 Version: $version
3383 Requires: $requires
3384 Conflicts:
3385 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3386 Cflags: -I\${includedir}
3387 EOF
3388 }
3389
3390 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3391 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3392 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3393 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3394 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3395 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3396 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3397 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"