mkvenc: Write TrackTimecodeScale
[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.err]
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-ffserver disable ffserver build
86 --enable-postproc enable GPLed postprocessing support [no]
87 --enable-avfilter video filter support [no]
88 --enable-avfilter-lavf video filters dependent on avformat [no]
89 --enable-beosthreads use BeOS threads [no]
90 --enable-os2threads use OS/2 threads [no]
91 --enable-pthreads use pthreads [no]
92 --enable-w32threads use Win32 threads [no]
93 --enable-x11grab enable X11 grabbing [no]
94 --disable-network disable network support [no]
95 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
96 --enable-gray enable full grayscale support (slower color)
97 --disable-swscale-alpha disable alpha channel support in swscale
98 --disable-fastdiv disable table-based division
99 --enable-small optimize for size instead of speed
100 --disable-aandct disable AAN DCT code
101 --disable-dct disable DCT code
102 --disable-fft disable FFT code
103 --disable-golomb disable Golomb code
104 --disable-lpc disable LPC code
105 --disable-mdct disable MDCT code
106 --disable-rdft disable RDFT code
107 --disable-vaapi disable VAAPI code
108 --disable-vdpau disable VDPAU code
109 --disable-dxva2 disable DXVA2 code
110 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
111 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
112 --enable-memalign-hack emulate memalign, interferes with memory debuggers
113 --enable-beos-netserver enable BeOS netserver
114 --disable-encoder=NAME disable encoder NAME
115 --enable-encoder=NAME enable encoder NAME
116 --disable-encoders disable all encoders
117 --disable-decoder=NAME disable decoder NAME
118 --enable-decoder=NAME enable decoder NAME
119 --disable-decoders disable all decoders
120 --disable-hwaccel=NAME disable hwaccel NAME
121 --enable-hwaccel=NAME enable hwaccel NAME
122 --disable-hwaccels disable all hwaccels
123 --disable-muxer=NAME disable muxer NAME
124 --enable-muxer=NAME enable muxer NAME
125 --disable-muxers disable all muxers
126 --disable-demuxer=NAME disable demuxer NAME
127 --enable-demuxer=NAME enable demuxer NAME
128 --disable-demuxers disable all demuxers
129 --enable-parser=NAME enable parser NAME
130 --disable-parser=NAME disable parser NAME
131 --disable-parsers disable all parsers
132 --enable-bsf=NAME enable bitstream filter NAME
133 --disable-bsf=NAME disable bitstream filter NAME
134 --disable-bsfs disable all bitstream filters
135 --enable-protocol=NAME enable protocol NAME
136 --disable-protocol=NAME disable protocol NAME
137 --disable-protocols disable all protocols
138 --disable-indev=NAME disable input device NAME
139 --disable-outdev=NAME disable output device NAME
140 --disable-indevs disable input devices
141 --disable-outdevs disable output devices
142 --disable-devices disable all devices
143 --enable-filter=NAME enable filter NAME
144 --disable-filter=NAME disable filter NAME
145 --disable-filters disable all filters
146 --list-decoders show all available decoders
147 --list-encoders show all available encoders
148 --list-hwaccels show all available hardware accelerators
149 --list-muxers show all available muxers
150 --list-demuxers show all available demuxers
151 --list-parsers show all available parsers
152 --list-protocols show all available protocols
153 --list-bsfs show all available bitstream filters
154 --list-indevs show all available input devices
155 --list-outdevs show all available output devices
156 --list-filters show all available filters
157
158 External library support:
159 --enable-avisynth enable reading of AVISynth script files [no]
160 --enable-bzlib enable bzlib [autodetect]
161 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
162 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
163 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
164 and libraw1394 [no]
165 --enable-libdirac enable Dirac support via libdirac [no]
166 --enable-libfaac enable FAAC support via libfaac [no]
167 --enable-libfaad enable FAAD support via libfaad [no]
168 --enable-libfaadbin open libfaad.so.0 at runtime [no]
169 --enable-libgsm enable GSM support via libgsm [no]
170 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
171 --enable-libnut enable NUT (de)muxing via libnut,
172 native (de)muxer exists [no]
173 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
174 --enable-libschroedinger enable Dirac support via libschroedinger [no]
175 --enable-libspeex enable Speex decoding via libspeex [no]
176 --enable-libtheora enable Theora encoding via libtheora [no]
177 --enable-libvorbis enable Vorbis encoding via libvorbis,
178 native implementation exists [no]
179 --enable-libx264 enable H.264 encoding via x264 [no]
180 --enable-libxvid enable Xvid encoding via xvidcore,
181 native MPEG-4/Xvid encoder exists [no]
182 --enable-mlib enable Sun medialib [no]
183 --enable-zlib enable zlib [autodetect]
184
185 Advanced options (experts only):
186 --source-path=PATH path to source code [$source_path]
187 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
188 --enable-cross-compile assume a cross-compiler is used
189 --sysroot=PATH root of cross-build tree
190 --sysinclude=PATH location of cross-build system headers
191 --target-os=OS compiler targets OS [$target_os]
192 --target-exec=CMD command to run executables on target
193 --target-path=DIR path to view of build directory on target
194 --nm=NM use nm tool
195 --as=AS use assembler AS [$as_default]
196 --cc=CC use C compiler CC [$cc_default]
197 --ld=LD use linker LD
198 --host-cc=HOSTCC use host C compiler HOSTCC
199 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
200 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
201 --host-libs=HLIBS use libs HLIBS when linking for host
202 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
203 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
204 --extra-libs=ELIBS add ELIBS [$ELIBS]
205 --extra-version=STRING version string suffix []
206 --build-suffix=SUFFIX library name suffix []
207 --arch=ARCH select architecture [$arch]
208 --cpu=CPU select the minimum required CPU (affects
209 instruction selection, may crash on older CPUs)
210 --enable-powerpc-perf enable performance report on PPC
211 (requires enabling PMC)
212 --disable-asm disable all assembler optimizations
213 --disable-altivec disable AltiVec optimizations
214 --disable-amd3dnow disable 3DNow! optimizations
215 --disable-amd3dnowext disable 3DNow! extended optimizations
216 --disable-mmx disable MMX optimizations
217 --disable-mmx2 disable MMX2 optimizations
218 --disable-sse disable SSE optimizations
219 --disable-ssse3 disable SSSE3 optimizations
220 --disable-armv5te disable armv5te optimizations
221 --disable-armv6 disable armv6 optimizations
222 --disable-armv6t2 disable armv6t2 optimizations
223 --disable-armvfp disable ARM VFP optimizations
224 --disable-iwmmxt disable iwmmxt optimizations
225 --disable-mmi disable MMI optimizations
226 --disable-neon disable neon optimizations
227 --disable-vis disable VIS optimizations
228 --disable-yasm disable use of yasm assembler
229 --enable-pic build position-independent code
230
231 Developer options (useful when working on FFmpeg itself):
232 --disable-debug disable debugging symbols
233 --enable-debug=LEVEL set the debug level [$debuglevel]
234 --enable-gprof enable profiling with gprof [$gprof]
235 --disable-optimizations disable compiler optimizations
236 --enable-extra-warnings enable more compiler warnings
237 --disable-stripping disable stripping of executables and shared libraries
238
239 NOTE: Object files are built at the place where configure is launched.
240 EOF
241 exit 0
242 }
243
244 log(){
245 echo "$@" >> $logfile
246 }
247
248 log_file(){
249 log BEGIN $1
250 pr -n -t $1 >> $logfile
251 log END $1
252 }
253
254 echolog(){
255 log "$@"
256 echo "$@"
257 }
258
259 die(){
260 echolog "$@"
261 cat <<EOF
262
263 If you think configure made a mistake, make sure you are using the latest
264 version from SVN. If the latest version fails, report the problem to the
265 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
266 EOF
267 if disabled logging; then
268 cat <<EOF
269 Rerun configure with logging enabled (do not use --disable-logging), and
270 include the log this produces with your report.
271 EOF
272 else
273 cat <<EOF
274 Include the log file "$logfile" produced by configure as this will help
275 solving the problem.
276 EOF
277 fi
278 exit 1
279 }
280
281 # Avoid locale weirdness, besides we really just want to translate ASCII.
282 toupper(){
283 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
284 }
285
286 tolower(){
287 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
288 }
289
290 c_escape(){
291 echo "$*" | sed 's/["\\]/\\\0/g'
292 }
293
294 sh_quote(){
295 v=$(echo "$1" | sed "s/'/'\\\\''/g")
296 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
297 echo "$v"
298 }
299
300 filter(){
301 pat=$1
302 shift
303 for v; do
304 eval "case $v in $pat) echo $v ;; esac"
305 done
306 }
307
308 set_all(){
309 value=$1
310 shift
311 for var in $*; do
312 eval $var=$value
313 done
314 }
315
316 set_weak(){
317 value=$1
318 shift
319 for var; do
320 eval : \${$var:=$value}
321 done
322 }
323
324 pushvar(){
325 for var in $*; do
326 eval level=\${${var}_level:=0}
327 eval ${var}_${level}="\$$var"
328 eval ${var}_level=$(($level+1))
329 done
330 }
331
332 popvar(){
333 for var in $*; do
334 eval level=\${${var}_level:-0}
335 test $level = 0 && continue
336 eval level=$(($level-1))
337 eval $var="\${${var}_${level}}"
338 eval ${var}_level=$level
339 eval unset ${var}_${level}
340 done
341 }
342
343 enable(){
344 set_all yes $*
345 }
346
347 disable(){
348 set_all no $*
349 }
350
351 enable_weak(){
352 set_weak yes $*
353 }
354
355 disable_weak(){
356 set_weak no $*
357 }
358
359 enable_safe(){
360 for var; do
361 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
362 done
363 }
364
365 disable_safe(){
366 for var; do
367 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368 done
369 }
370
371 do_enable_deep(){
372 for var; do
373 enabled $var && continue
374 eval sel="\$${var}_select"
375 eval sgs="\$${var}_suggest"
376 pushvar var sgs
377 enable_deep $sel
378 popvar sgs
379 enable_deep_weak $sgs
380 popvar var
381 done
382 }
383
384 enable_deep(){
385 do_enable_deep $*
386 enable $*
387 }
388
389 enable_deep_weak(){
390 do_enable_deep $*
391 enable_weak $*
392 }
393
394 enabled(){
395 test "${1#!}" = "$1" && op== || op=!=
396 eval test "x\$${1#!}" $op "xyes"
397 }
398
399 disabled(){
400 test "${1#!}" = "$1" && op== || op=!=
401 eval test "x\$${1#!}" $op "xno"
402 }
403
404 enabled_all(){
405 for opt; do
406 enabled $opt || return 1
407 done
408 }
409
410 disabled_all(){
411 for opt; do
412 disabled $opt || return 1
413 done
414 }
415
416 enabled_any(){
417 for opt; do
418 enabled $opt && return 0
419 done
420 }
421
422 disabled_any(){
423 for opt; do
424 disabled $opt && return 0
425 done
426 return 1
427 }
428
429 set_default(){
430 for opt; do
431 eval : \${$opt:=\$${opt}_default}
432 done
433 }
434
435 is_in(){
436 value=$1
437 shift
438 for var in $*; do
439 [ $var = $value ] && return 0
440 done
441 return 1
442 }
443
444 check_deps(){
445 for cfg; do
446 cfg="${cfg#!}"
447 enabled ${cfg}_checking && die "Circular dependency for $cfg."
448 disabled ${cfg}_checking && continue
449 enable ${cfg}_checking
450
451 eval dep_all="\$${cfg}_deps"
452 eval dep_any="\$${cfg}_deps_any"
453 eval dep_sel="\$${cfg}_select"
454 eval dep_sgs="\$${cfg}_suggest"
455 eval dep_ifa="\$${cfg}_if"
456 eval dep_ifn="\$${cfg}_if_any"
457
458 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
459 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
460 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
461
462 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
463 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
464 enabled_all $dep_all || disable $cfg
465 enabled_any $dep_any || disable $cfg
466 disabled_any $dep_sel && disable $cfg
467
468 if enabled $cfg; then
469 eval dep_extralibs="\$${cfg}_extralibs"
470 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
471 enable_deep $dep_sel
472 enable_deep_weak $dep_sgs
473 fi
474
475 disable ${cfg}_checking
476 done
477 }
478
479 print_config(){
480 pfx=$1
481 header=$2
482 makefile=$3
483 shift 3
484 for cfg; do
485 ucname="$(toupper $cfg)"
486 if enabled $cfg; then
487 echo "#define ${pfx}${ucname} 1" >> $header
488 echo "${pfx}${ucname}=yes" >> $makefile
489 else
490 echo "#define ${pfx}${ucname} 0" >> $header
491 echo "!${pfx}${ucname}=yes" >> $makefile
492 fi
493 done
494 }
495
496 flags_saved(){
497 (: ${SAVE_CFLAGS?}) 2> /dev/null
498 }
499
500 save_flags(){
501 flags_saved && return
502 SAVE_CFLAGS="$CFLAGS"
503 SAVE_LDFLAGS="$LDFLAGS"
504 SAVE_extralibs="$extralibs"
505 }
506
507 restore_flags(){
508 flags_saved || return
509 CFLAGS="$SAVE_CFLAGS"
510 LDFLAGS="$SAVE_LDFLAGS"
511 extralibs="$SAVE_extralibs"
512 unset SAVE_CFLAGS
513 unset SAVE_LDFLAGS
514 unset SAVE_extralibs
515 }
516
517 temp_cflags(){
518 save_flags
519 CFLAGS="$CFLAGS $*"
520 }
521
522 temp_ldflags(){
523 save_flags
524 LDFLAGS="$LDFLAGS $*"
525 }
526
527 temp_extralibs(){
528 save_flags
529 extralibs="$extralibs $*"
530 }
531
532 append(){
533 var=$1
534 shift
535 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
536 eval "$var=\"\$$var $*\""
537 }
538
539 add_cppflags(){
540 append CPPFLAGS $($filter_cppflags "$@")
541 }
542
543 add_cflags(){
544 append CFLAGS $($filter_cflags "$@")
545 }
546
547 add_asflags(){
548 append ASFLAGS $($filter_asflags "$@")
549 }
550
551 add_ldflags(){
552 append LDFLAGS "$@"
553 }
554
555 add_extralibs(){
556 append extralibs "$@"
557 }
558
559 check_cmd(){
560 log "$@"
561 "$@" >> $logfile 2>&1
562 }
563
564 check_cc(){
565 log check_cc "$@"
566 cat > $TMPC
567 log_file $TMPC
568 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
569 }
570
571 check_cpp(){
572 log check_cpp "$@"
573 cat > $TMPC
574 log_file $TMPC
575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
576 }
577
578 check_as(){
579 log check_as "$@"
580 cat > $TMPC
581 log_file $TMPC
582 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
583 }
584
585 check_asm(){
586 log check_asm "$@"
587 name="$1"
588 code="$2"
589 shift 2
590 disable $name
591 check_as "$@" <<EOF && enable $name
592 void foo(void){ __asm__ volatile($code); }
593 EOF
594 }
595
596 check_yasm(){
597 log check_yasm "$@"
598 echo "$1" > $TMPS
599 log_file $TMPS
600 shift 1
601 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
602 }
603
604 check_ld(){
605 log check_ld "$@"
606 flags=''
607 libs=''
608 for f; do
609 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
610 done
611 check_cc $($filter_cflags $flags) || return
612 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
613 }
614
615 check_cppflags(){
616 log check_cppflags "$@"
617 set -- $($filter_cppflags "$@")
618 check_cc "$@" <<EOF && append CPPFLAGS "$@"
619 int x;
620 EOF
621 }
622
623 check_cflags(){
624 log check_cflags "$@"
625 set -- $($filter_cflags "$@")
626 check_cc "$@" <<EOF && append CFLAGS "$@"
627 int x;
628 EOF
629 }
630
631 test_ldflags(){
632 log test_ldflags "$@"
633 check_ld "$@" <<EOF
634 int main(void){ return 0; }
635 EOF
636 }
637
638 check_ldflags(){
639 log check_ldflags "$@"
640 test_ldflags "$@" && add_ldflags "$@"
641 }
642
643 check_header(){
644 log check_header "$@"
645 header=$1
646 shift
647 disable_safe $header
648 check_cpp "$@" <<EOF && enable_safe $header
649 #include <$header>
650 int x;
651 EOF
652 }
653
654 check_func(){
655 log check_func "$@"
656 func=$1
657 shift
658 disable $func
659 check_ld "$@" <<EOF && enable $func
660 extern int $func();
661 int main(void){ $func(); }
662 EOF
663 }
664
665 check_func_headers(){
666 log check_func_headers "$@"
667 headers=$1
668 func=$2
669 shift 2
670 disable $func
671 incs=""
672 for hdr in $headers; do
673 incs="$incs
674 #include <$hdr>"
675 done
676 check_ld "$@" <<EOF && enable $func && enable_safe $headers
677 $incs
678 int main(int argc, char **argv){
679 return (long) $func;
680 }
681 EOF
682 }
683
684 check_cpp_condition(){
685 log check_cpp_condition "$@"
686 header=$1
687 condition=$2
688 shift 2
689 check_cpp $($filter_cppflags "$@") <<EOF
690 #include <$header>
691 #if !($condition)
692 #error "unsatisfied condition: $condition"
693 #endif
694 EOF
695 }
696
697 check_lib(){
698 log check_lib "$@"
699 header="$1"
700 func="$2"
701 shift 2
702 temp_extralibs "$@"
703 check_header $header && check_func $func && add_extralibs "$@"
704 err=$?
705 restore_flags
706 return $err
707 }
708
709 check_lib2(){
710 log check_lib2 "$@"
711 headers="$1"
712 func="$2"
713 shift 2
714 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
715 }
716
717 check_exec(){
718 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
719 }
720
721 check_exec_crash(){
722 code=$(cat)
723
724 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
725 # are safe but may not be available everywhere. Thus we use
726 # raise(SIGTERM) instead. The check is run in a subshell so we
727 # can redirect the "Terminated" message from the shell. SIGBUS
728 # is not defined by standard C so it is used conditionally.
729
730 (check_exec "$@") >> $logfile 2>&1 <<EOF
731 #include <signal.h>
732 static void sighandler(int sig){
733 raise(SIGTERM);
734 }
735 int main(void){
736 signal(SIGILL, sighandler);
737 signal(SIGFPE, sighandler);
738 signal(SIGSEGV, sighandler);
739 #ifdef SIGBUS
740 signal(SIGBUS, sighandler);
741 #endif
742 { $code }
743 }
744 EOF
745 }
746
747 check_type(){
748 log check_type "$@"
749 headers=$1
750 type=$2
751 shift 2
752 disable_safe "$type"
753 incs=""
754 for hdr in $headers; do
755 incs="$incs
756 #include <$hdr>"
757 done
758 check_cc "$@" <<EOF && enable_safe "$type"
759 $incs
760 $type v;
761 EOF
762 }
763
764 check_struct(){
765 log check_type "$@"
766 headers=$1
767 struct=$2
768 member=$3
769 shift 3
770 disable_safe "${struct}_${member}"
771 incs=""
772 for hdr in $headers; do
773 incs="$incs
774 #include <$hdr>"
775 done
776 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
777 $incs
778 const void *p = &(($struct *)0)->$member;
779 EOF
780 }
781
782 require(){
783 name="$1"
784 header="$2"
785 func="$3"
786 shift 3
787 check_lib $header $func "$@" || die "ERROR: $name not found"
788 }
789
790 require2(){
791 name="$1"
792 headers="$2"
793 func="$3"
794 shift 3
795 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
796 }
797
798 check_foo_config(){
799 cfg=$1
800 pkg=$2
801 header=$3
802 func=$4
803 shift 4
804 disable $cfg
805 check_cmd ${pkg}-config --version
806 err=$?
807 if test "$err" = 0; then
808 temp_cflags $(${pkg}-config --cflags)
809 temp_extralibs $(${pkg}-config --libs)
810 check_lib "$@" $header $func && enable $cfg
811 fi
812 return $err
813 }
814
815 check_host_cc(){
816 log check_host_cc "$@"
817 cat > $TMPC
818 log_file $TMPC
819 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820 }
821
822 check_host_cflags(){
823 log check_host_cflags "$@"
824 check_host_cc "$@" <<EOF && append host_cflags "$@"
825 int x;
826 EOF
827 }
828
829 apply(){
830 file=$1
831 shift
832 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833 }
834
835 cp_if_changed(){
836 cmp -s "$1" "$2" &&
837 echo "$2 is unchanged" ||
838 cp -f "$1" "$2"
839 }
840
841 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
842 # system-dependent things.
843
844 COMPONENT_LIST="
845 bsfs
846 decoders
847 demuxers
848 encoders
849 filters
850 hwaccels
851 indevs
852 muxers
853 outdevs
854 parsers
855 protocols
856 "
857
858 CONFIG_LIST="
859 $COMPONENT_LIST
860 aandct
861 avfilter
862 avfilter_lavf
863 avisynth
864 beos_netserver
865 bzlib
866 dct
867 doc
868 dxva2
869 fastdiv
870 ffmpeg
871 ffplay
872 ffserver
873 fft
874 golomb
875 gpl
876 gprof
877 gray
878 hardcoded_tables
879 libdc1394
880 libdirac
881 libfaac
882 libfaad
883 libfaadbin
884 libgsm
885 libmp3lame
886 libnut
887 libopencore_amrnb
888 libopencore_amrwb
889 libopenjpeg
890 libschroedinger
891 libspeex
892 libtheora
893 libvorbis
894 libx264
895 libxvid
896 lpc
897 mdct
898 memalign_hack
899 mlib
900 mpegaudio_hp
901 network
902 nonfree
903 pic
904 postproc
905 powerpc_perf
906 rdft
907 runtime_cpudetect
908 shared
909 small
910 static
911 swscale_alpha
912 vaapi
913 vdpau
914 version3
915 x11grab
916 zlib
917 "
918
919 THREADS_LIST='
920 beosthreads
921 os2threads
922 pthreads
923 w32threads
924 '
925
926 ARCH_LIST='
927 alpha
928 arm
929 avr32
930 avr32_ap
931 avr32_uc
932 bfin
933 ia64
934 m68k
935 mips
936 mips64
937 parisc
938 ppc
939 ppc64
940 s390
941 sh4
942 sparc
943 sparc64
944 x86
945 x86_32
946 x86_64
947 '
948
949 ARCH_EXT_LIST='
950 altivec
951 amd3dnow
952 amd3dnowext
953 armv5te
954 armv6
955 armv6t2
956 armvfp
957 iwmmxt
958 mmi
959 mmx
960 mmx2
961 neon
962 ppc4xx
963 sse
964 ssse3
965 vis
966 '
967
968 HAVE_LIST_PUB='
969 bigendian
970 '
971
972 HAVE_LIST="
973 $ARCH_EXT_LIST
974 $HAVE_LIST_PUB
975 $THREADS_LIST
976 alsa_asoundlib_h
977 altivec_h
978 arpa_inet_h
979 attribute_packed
980 bswap
981 closesocket
982 cmov
983 conio_h
984 dcbzl
985 dev_bktr_ioctl_bt848_h
986 dev_bktr_ioctl_meteor_h
987 dev_ic_bt8xx_h
988 dev_video_meteor_ioctl_meteor_h
989 dev_video_bktr_ioctl_bt848_h
990 dlfcn_h
991 dlopen
992 dos_paths
993 ebp_available
994 ebx_available
995 exp2
996 exp2f
997 fast_64bit
998 fast_clz
999 fast_cmov
1000 fast_unaligned
1001 fork
1002 getaddrinfo
1003 gethrtime
1004 GetProcessTimes
1005 getrusage
1006 inet_aton
1007 inline_asm
1008 isatty
1009 ldbrx
1010 libdc1394_1
1011 libdc1394_2
1012 llrint
1013 log2
1014 log2f
1015 loongson
1016 lrint
1017 lrintf
1018 lzo1x_999_compress
1019 machine_ioctl_bt848_h
1020 machine_ioctl_meteor_h
1021 malloc_h
1022 memalign
1023 mkstemp
1024 pld
1025 posix_memalign
1026 round
1027 roundf
1028 sdl
1029 sdl_video_size
1030 setmode
1031 socklen_t
1032 soundcard_h
1033 poll_h
1034 struct_addrinfo
1035 struct_ipv6_mreq
1036 struct_sockaddr_in6
1037 struct_sockaddr_sa_len
1038 struct_sockaddr_storage
1039 sys_mman_h
1040 sys_resource_h
1041 sys_select_h
1042 sys_soundcard_h
1043 sys_videoio_h
1044 ten_operands
1045 termios_h
1046 threads
1047 truncf
1048 vfp_args
1049 VirtualAlloc
1050 winsock2_h
1051 xform_asm
1052 yasm
1053 "
1054
1055 # options emitted with CONFIG_ prefix but not available on command line
1056 CONFIG_EXTRA="
1057 gplv3
1058 lgplv3
1059 "
1060
1061 CMDLINE_SELECT="
1062 $ARCH_EXT_LIST
1063 $CONFIG_LIST
1064 $THREADS_LIST
1065 asm
1066 cross_compile
1067 debug
1068 extra_warnings
1069 logging
1070 optimizations
1071 stripping
1072 yasm
1073 "
1074
1075 PATHS_LIST='
1076 bindir
1077 datadir
1078 incdir
1079 libdir
1080 mandir
1081 prefix
1082 shlibdir
1083 '
1084
1085 CMDLINE_SET="
1086 $PATHS_LIST
1087 arch
1088 as
1089 build_suffix
1090 cc
1091 cpu
1092 cross_prefix
1093 dep_cc
1094 extra_version
1095 host_cc
1096 host_cflags
1097 host_ldflags
1098 host_libs
1099 host_os
1100 ld
1101 logfile
1102 nm
1103 source_path
1104 sysinclude
1105 sysroot
1106 target_exec
1107 target_os
1108 target_path
1109 "
1110
1111 CMDLINE_APPEND="
1112 extra_cflags
1113 "
1114
1115 # code dependency declarations
1116
1117 # architecture extensions
1118
1119 armv5te_deps="arm"
1120 armv6_deps="arm"
1121 armv6t2_deps="arm"
1122 armvfp_deps="arm"
1123 iwmmxt_deps="arm"
1124 neon_deps="arm"
1125
1126 mmi_deps="mips"
1127
1128 altivec_deps="ppc"
1129 ppc4xx_deps="ppc"
1130
1131 vis_deps="sparc"
1132
1133 x86_64_select="cmov fast_cmov"
1134 amd3dnow_deps="mmx"
1135 amd3dnowext_deps="amd3dnow"
1136 mmx_deps="x86"
1137 mmx2_deps="mmx"
1138 sse_deps="mmx"
1139 ssse3_deps="sse"
1140
1141 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143 fast_unaligned_if_any="armv6 ppc x86"
1144
1145 need_memalign="altivec neon sse"
1146 inline_asm_deps="!tms470"
1147
1148 # decoders / encoders / hardware accelerators
1149 aac_decoder_select="fft mdct aac_parser"
1150 aac_encoder_select="fft mdct"
1151 ac3_decoder_select="fft mdct ac3_parser"
1152 alac_encoder_select="lpc"
1153 atrac3_decoder_select="fft mdct"
1154 cavs_decoder_select="golomb"
1155 cook_decoder_select="fft mdct"
1156 cscd_decoder_suggest="zlib"
1157 dca_decoder_select="fft mdct"
1158 dnxhd_encoder_select="aandct"
1159 dxa_decoder_select="zlib"
1160 eac3_decoder_select="ac3_decoder"
1161 eamad_decoder_select="aandct"
1162 eatgq_decoder_select="aandct"
1163 eatqi_decoder_select="aandct"
1164 ffv1_decoder_select="golomb"
1165 flac_decoder_select="golomb"
1166 flac_encoder_select="golomb lpc"
1167 flashsv_decoder_select="zlib"
1168 flashsv_encoder_select="zlib"
1169 flv_decoder_select="h263_decoder"
1170 flv_encoder_select="h263_encoder"
1171 h261_encoder_select="aandct"
1172 h263_decoder_select="h263_parser"
1173 h263_encoder_select="aandct"
1174 h263_vaapi_hwaccel_deps="va_va_h"
1175 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1176 h263i_decoder_select="h263_decoder"
1177 h263p_encoder_select="h263_encoder"
1178 h264_decoder_select="golomb"
1179 h264_dxva2_hwaccel_deps="dxva2api_h"
1180 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1181 h264_vaapi_hwaccel_deps="va_va_h"
1182 h264_vaapi_hwaccel_select="vaapi"
1183 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1184 h264_vdpau_decoder_select="vdpau h264_decoder"
1185 imc_decoder_select="fft mdct"
1186 jpegls_decoder_select="golomb"
1187 jpegls_encoder_select="golomb"
1188 ljpeg_encoder_select="aandct"
1189 loco_decoder_select="golomb"
1190 mjpeg_encoder_select="aandct"
1191 mlp_decoder_select="mlp_parser"
1192 mpeg1video_encoder_select="aandct"
1193 mpeg2video_encoder_select="aandct"
1194 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1195 mpeg4_encoder_select="h263_encoder"
1196 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1197 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1198 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1199 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1200 mpeg2_vaapi_hwaccel_deps="va_va_h"
1201 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1202 mpeg4_vaapi_hwaccel_deps="va_va_h"
1203 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1204 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1205 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1206 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1207 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1208 msmpeg4v1_decoder_select="h263_decoder"
1209 msmpeg4v1_encoder_select="h263_encoder"
1210 msmpeg4v2_decoder_select="h263_decoder"
1211 msmpeg4v2_encoder_select="h263_encoder"
1212 msmpeg4v3_decoder_select="h263_decoder"
1213 msmpeg4v3_encoder_select="h263_encoder"
1214 nellymoser_decoder_select="fft mdct"
1215 nellymoser_encoder_select="fft mdct"
1216 png_decoder_select="zlib"
1217 png_encoder_select="zlib"
1218 qdm2_decoder_select="fft mdct rdft"
1219 rv10_decoder_select="h263_decoder"
1220 rv10_encoder_select="h263_encoder"
1221 rv20_decoder_select="h263_decoder"
1222 rv20_encoder_select="h263_encoder"
1223 rv30_decoder_select="golomb"
1224 rv40_decoder_select="golomb"
1225 shorten_decoder_select="golomb"
1226 sonic_decoder_select="golomb"
1227 sonic_encoder_select="golomb"
1228 sonic_ls_encoder_select="golomb"
1229 svq3_decoder_select="golomb"
1230 svq3_decoder_suggest="zlib"
1231 theora_decoder_select="vp3_decoder"
1232 tiff_decoder_suggest="zlib"
1233 tiff_encoder_suggest="zlib"
1234 truehd_decoder_select="mlp_decoder"
1235 tscc_decoder_select="zlib"
1236 vc1_decoder_select="h263_decoder"
1237 vc1_vaapi_hwaccel_deps="va_va_h"
1238 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1239 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1241 vorbis_decoder_select="fft mdct"
1242 vorbis_encoder_select="fft mdct"
1243 vp6a_decoder_select="vp6_decoder"
1244 vp6f_decoder_select="vp6_decoder"
1245 wmav1_decoder_select="fft mdct"
1246 wmav1_encoder_select="fft mdct"
1247 wmav2_decoder_select="fft mdct"
1248 wmav2_encoder_select="fft mdct"
1249 wmv1_decoder_select="h263_decoder"
1250 wmv1_encoder_select="h263_encoder"
1251 wmv2_decoder_select="h263_decoder"
1252 wmv2_encoder_select="h263_encoder"
1253 wmv3_decoder_select="vc1_decoder"
1254 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1255 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1256 zlib_decoder_select="zlib"
1257 zlib_encoder_select="zlib"
1258 zmbv_decoder_select="zlib"
1259 zmbv_encoder_select="zlib"
1260
1261 # parsers
1262 h264_parser_select="golomb"
1263
1264 # bitstream_filters
1265 aac_adtstoasc_bsf_select="aac_parser"
1266
1267 # external libraries
1268 libdirac_decoder_deps="libdirac !libschroedinger"
1269 libdirac_encoder_deps="libdirac"
1270 libfaac_encoder_deps="libfaac"
1271 libfaad_decoder_deps="libfaad"
1272 libfaadbin_decoder_extralibs='$ldl'
1273 libgsm_decoder_deps="libgsm"
1274 libgsm_encoder_deps="libgsm"
1275 libgsm_ms_decoder_deps="libgsm"
1276 libgsm_ms_encoder_deps="libgsm"
1277 libmp3lame_encoder_deps="libmp3lame"
1278 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1279 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1280 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1281 libopenjpeg_decoder_deps="libopenjpeg"
1282 libschroedinger_decoder_deps="libschroedinger"
1283 libschroedinger_encoder_deps="libschroedinger"
1284 libspeex_decoder_deps="libspeex"
1285 libtheora_encoder_deps="libtheora"
1286 libvorbis_encoder_deps="libvorbis"
1287 libx264_encoder_deps="libx264"
1288 libxvid_encoder_deps="libxvid"
1289
1290 # demuxers / muxers
1291 ac3_demuxer_deps="ac3_parser"
1292 asf_stream_muxer_select="asf_muxer"
1293 avisynth_demuxer_deps="avisynth"
1294 dirac_demuxer_deps="dirac_parser"
1295 eac3_demuxer_select="ac3_parser"
1296 ipod_muxer_select="mov_muxer"
1297 libnut_demuxer_deps="libnut"
1298 libnut_muxer_deps="libnut"
1299 matroska_audio_muxer_select="matroska_muxer"
1300 matroska_demuxer_suggest="zlib bzlib"
1301 mov_demuxer_suggest="zlib"
1302 mp3_demuxer_deps="mpegaudio_parser"
1303 mp4_muxer_select="mov_muxer"
1304 mpegtsraw_demuxer_select="mpegts_demuxer"
1305 mxf_d10_muxer_select="mxf_muxer"
1306 ogg_demuxer_select="golomb"
1307 psp_muxer_select="mov_muxer"
1308 rtsp_demuxer_deps="sdp_demuxer"
1309 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1310 spdif_muxer_select="aac_parser"
1311 tg2_muxer_select="mov_muxer"
1312 tgp_muxer_select="mov_muxer"
1313 w64_demuxer_deps="wav_demuxer"
1314
1315 # indevs / outdevs
1316 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1317 alsa_indev_extralibs="-lasound"
1318 alsa_outdev_deps="alsa_asoundlib_h"
1319 alsa_outdev_extralibs="-lasound"
1320 audio_beos_indev_deps="audio_beos"
1321 audio_beos_indev_extralibs="-lmedia -lbe"
1322 audio_beos_outdev_deps="audio_beos"
1323 audio_beos_outdev_extralibs="-lmedia -lbe"
1324 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1325 dv1394_indev_deps="dv1394 dv_demuxer"
1326 jack_indev_deps="jack_jack_h"
1327 jack_indev_extralibs="-ljack"
1328 libdc1394_indev_deps="libdc1394"
1329 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1330 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1331 v4l_indev_deps="linux_videodev_h"
1332 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1333 vfwcap_indev_deps="capCreateCaptureWindow"
1334 vfwcap_indev_extralibs="-lvfw32"
1335 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1336 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1337
1338 # protocols
1339 gopher_protocol_deps="network"
1340 http_protocol_deps="network"
1341 rtmp_protocol_deps="tcp_protocol"
1342 rtp_protocol_deps="udp_protocol"
1343 tcp_protocol_deps="network"
1344 udp_protocol_deps="network"
1345
1346 # filters
1347 movie_filter_deps="avfilter_lavf"
1348
1349 # programs
1350 ffplay_deps="sdl"
1351 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1352 ffserver_extralibs='$ldl'
1353
1354 doc_deps="texi2html"
1355
1356 # default parameters
1357
1358 logfile="config.err"
1359
1360 # installation paths
1361 prefix_default="/usr/local"
1362 bindir_default='${prefix}/bin'
1363 datadir_default='${prefix}/share/ffmpeg'
1364 incdir_default='${prefix}/include'
1365 libdir_default='${prefix}/lib'
1366 mandir_default='${prefix}/share/man'
1367 shlibdir_default="$libdir_default"
1368
1369 # toolchain
1370 ar="ar"
1371 cc_default="gcc"
1372 cc_version=\"unknown\"
1373 host_cc_default="gcc"
1374 ln_s="ln -sf"
1375 nm_default="nm"
1376 objformat="elf"
1377 ranlib="ranlib"
1378 strip="strip"
1379 yasmexe="yasm"
1380
1381 nm_opts='-g'
1382
1383 # machine
1384 arch=$(uname -m)
1385 cpu="generic"
1386
1387 # OS
1388 target_os=$(tolower $(uname -s))
1389 host_os=$target_os
1390
1391 # configurable options
1392 enable asm
1393 enable debug
1394 enable doc
1395 enable fastdiv
1396 enable ffmpeg
1397 enable ffplay
1398 enable ffserver
1399 enable mpegaudio_hp
1400 enable network
1401 enable optimizations
1402 enable protocols
1403 enable static
1404 enable stripping
1405 enable swscale_alpha
1406
1407 # build settings
1408 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1409 FFSERVERLDFLAGS=-Wl,-E
1410 LIBPREF="lib"
1411 LIBSUF=".a"
1412 FULLNAME='$(NAME)$(BUILDSUF)'
1413 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1414 SLIBPREF="lib"
1415 SLIBSUF=".so"
1416 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1417 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1418 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1419 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1420
1421 CC_O='-o $@'
1422
1423 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1424 host_libs='-lm'
1425
1426 target_path='.'
1427
1428 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1429 # full relative path for objects in subdirectories for non-recursive Make.
1430 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1431 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1432
1433 # find source path
1434 source_path="$(dirname "$0")"
1435 enable source_path_used
1436 if test -f configure; then
1437 source_path="$(pwd)"
1438 disable source_path_used
1439 else
1440 source_path="$(cd "$source_path"; pwd)"
1441 echo "$source_path" | grep -q '[[:blank:]]' &&
1442 die "Out of tree builds are impossible with whitespace in source path."
1443 test -e "$source_path/config.h" &&
1444 die "Out of tree builds are impossible with config.h in source dir."
1445 fi
1446
1447 for v in "$@"; do
1448 r=${v#*=}
1449 l=${v%"$r"}
1450 r=$(sh_quote "$r")
1451 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1452 done
1453
1454 find_things(){
1455 thing=$1
1456 pattern=$2
1457 file=$source_path/$3
1458 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1459 }
1460
1461 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1462 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1463 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1464 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1465 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1466 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1467 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1468 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1469 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1470 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1471 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1472
1473 enable $ARCH_EXT_LIST \
1474 $DECODER_LIST \
1475 $ENCODER_LIST \
1476 $HWACCEL_LIST \
1477 $PARSER_LIST \
1478 $BSF_LIST \
1479 $DEMUXER_LIST \
1480 $MUXER_LIST \
1481 $FILTER_LIST \
1482 $PROTOCOL_LIST \
1483 $INDEV_LIST \
1484 $OUTDEV_LIST \
1485
1486 die_unknown(){
1487 echo "Unknown option \"$1\"."
1488 echo "See $0 --help for available options."
1489 exit 1
1490 }
1491
1492 show_list() {
1493 suffix=_$1
1494 shift
1495 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1496 exit 0
1497 }
1498
1499 for opt do
1500 optval="${opt#*=}"
1501 case "$opt" in
1502 --extra-ldflags=*) add_ldflags $optval
1503 ;;
1504 --extra-libs=*) add_extralibs $optval
1505 ;;
1506 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1507 ;;
1508 --enable-debug=*) debuglevel="$optval"
1509 ;;
1510 --enable-*=*|--disable-*=*)
1511 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1512 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1513 eval list=\$$(toupper $thing)_LIST
1514 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1515 $action $(filter "$name" $list)
1516 ;;
1517 --enable-?*|--disable-?*)
1518 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1519 if is_in $option $COMPONENT_LIST; then
1520 test $action = disable && action=unset
1521 eval $action \$$(toupper ${option%s})_LIST
1522 elif is_in $option $CMDLINE_SELECT; then
1523 $action $option
1524 else
1525 die_unknown $opt
1526 fi
1527 ;;
1528 --list-*)
1529 NAME="${opt#--list-}"
1530 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1531 NAME=${NAME%s}
1532 eval show_list $NAME \$$(toupper $NAME)_LIST
1533 ;;
1534 --help|-h) show_help
1535 ;;
1536 *)
1537 optname="${opt%%=*}"
1538 optname="${optname#--}"
1539 optname=$(echo "$optname" | sed 's/-/_/g')
1540 if is_in $optname $CMDLINE_SET; then
1541 eval $optname='$optval'
1542 elif is_in $optname $CMDLINE_APPEND; then
1543 append $optname "$optval"
1544 else
1545 die_unknown $opt
1546 fi
1547 ;;
1548 esac
1549 done
1550
1551 disabled logging && logfile=/dev/null
1552
1553 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1554 set >> $logfile
1555
1556 test -n "$cross_prefix" && enable cross_compile
1557
1558 ar="${cross_prefix}${ar}"
1559 cc_default="${cross_prefix}${cc_default}"
1560 nm_default="${cross_prefix}${nm_default}"
1561 ranlib="${cross_prefix}${ranlib}"
1562 strip="${cross_prefix}${strip}"
1563
1564 sysinclude_default="${sysroot}/usr/include"
1565
1566 set_default cc nm sysinclude
1567 enabled cross_compile || host_cc_default=$cc
1568 set_default host_cc
1569
1570 exesuf() {
1571 case $1 in
1572 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1573 esac
1574 }
1575
1576 EXESUF=$(exesuf $target_os)
1577 HOSTEXESUF=$(exesuf $host_os)
1578
1579 # set temporary file name
1580 : ${TMPDIR:=$TEMPDIR}
1581 : ${TMPDIR:=$TMP}
1582 : ${TMPDIR:=/tmp}
1583
1584 if ! check_cmd type mktemp; then
1585 # simple replacement for missing mktemp
1586 # NOT SAFE FOR GENERAL USE
1587 mktemp(){
1588 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1589 }
1590 fi
1591
1592 tmpfile(){
1593 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1594 (set -C; exec > $tmp) 2>/dev/null ||
1595 die "Unable to create temporary file in $TMPDIR."
1596 append TMPFILES $tmp
1597 eval $1=$tmp
1598 }
1599
1600 trap 'rm -f -- $TMPFILES' EXIT
1601 trap exit HUP INT TERM
1602
1603 tmpfile TMPC .c
1604 tmpfile TMPE $EXESUF
1605 tmpfile TMPH .h
1606 tmpfile TMPO .o
1607 tmpfile TMPS .S
1608 tmpfile TMPV .ver
1609 tmpfile TMPSH .sh
1610
1611 unset -f mktemp
1612
1613 # make sure we can execute files in $TMPDIR
1614 cat > $TMPSH 2>> $logfile <<EOF
1615 #! /bin/sh
1616 EOF
1617 chmod +x $TMPSH >> $logfile 2>&1
1618 if ! $TMPSH >> $logfile 2>&1; then
1619 cat <<EOF
1620 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1621 variable to another directory and make sure that it is not mounted noexec.
1622 EOF
1623 die "Sanity test failed."
1624 fi
1625
1626 filter_cflags=echo
1627 filter_cppflags=echo
1628 filter_asflags=echo
1629
1630 if $cc -v 2>&1 | grep -qi ^gcc; then
1631 cc_type=gcc
1632 cc_version=__VERSION__
1633 if ! $cc -dumpversion | grep -q '^2\.'; then
1634 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1635 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1636 fi
1637 elif $cc --version 2>/dev/null | grep -q Intel; then
1638 cc_type=icc
1639 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1640 CC_DEPFLAGS='-MMD'
1641 AS_DEPFLAGS='-MMD'
1642 elif $cc -v 2>&1 | grep -q xlc; then
1643 cc_type=xlc
1644 cc_version="AV_STRINGIFY(__IBMC__)"
1645 elif $cc -V 2>/dev/null | grep -q Compaq; then
1646 cc_type=ccc
1647 cc_version="AV_STRINGIFY(__DECC_VER)"
1648 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1649 debuglevel=3
1650 add_ldflags -Wl,-z,now # calls to libots crash without this
1651 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1652 test -d "$sysroot" || die "No valid sysroot specified."
1653 cc_type=armcc
1654 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1655 armcc_conf="$PWD/armcc.conf"
1656 $cc --arm_linux_configure \
1657 --arm_linux_config_file="$armcc_conf" \
1658 --configure_sysroot="$sysroot" \
1659 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1660 die "Error creating armcc configuration file."
1661 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1662 as_default="${cross_prefix}gcc"
1663 CC_DEPFLAGS='-MMD'
1664 AS_DEPFLAGS='-MMD'
1665 elif $cc -version 2>/dev/null | grep -q TMS470; then
1666 cc_type=tms470
1667 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1668 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1669 CC_O='-fr=$(@D)'
1670 as_default="${cross_prefix}gcc"
1671 ld_default="${cross_prefix}gcc"
1672 TMPO=$(basename $TMPC .c).o
1673 append TMPFILES $TMPO
1674 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1675 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1676 AS_DEPFLAGS='-MMD'
1677 filter_cflags=tms470_flags
1678 tms470_flags(){
1679 for flag; do
1680 case $flag in
1681 -march=*|-mcpu=*)
1682 case "${flag#*=}" in
1683 armv7-a|cortex-a*) echo -mv=7a8 ;;
1684 armv7-r|cortex-r*) echo -mv=7r4 ;;
1685 armv7-m|cortex-m*) echo -mv=7m3 ;;
1686 armv6*|arm11*) echo -mv=6 ;;
1687 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1688 echo -mv=5e ;;
1689 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1690 esac
1691 ;;
1692 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1693 -mfpu=vfp) echo --float_support=vfpv2 ;;
1694 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1695 -msoft-float) echo --float_support=vfplib ;;
1696 -Os) echo -O3 -mf=2 ;;
1697 -O[0-3]) echo $flag -mf=5 ;;
1698 -g) echo -g -mn ;;
1699 esac
1700 done
1701 }
1702 elif $cc -v 2>&1 | grep -q clang; then
1703 cc_type=clang
1704 cc_version=__VERSION__
1705 CC_DEPFLAGS='-MMD'
1706 AS_DEPFLAGS='-MMD'
1707 elif $cc -V 2>&1 | grep -q Sun; then
1708 cc_type=suncc
1709 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1710 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1711 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1712 filter_cflags=suncc_flags
1713 suncc_flags(){
1714 for flag; do
1715 case $flag in
1716 -march=*|-mcpu=*)
1717 case "${flag#*=}" in
1718 native) echo -xtarget=native ;;
1719 v9) echo -xarch=sparc ;;
1720 ultrasparc) echo -xarch=sparcvis ;;
1721 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1722 i586|pentium) echo -xchip=pentium ;;
1723 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1724 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1725 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1726 pentium4*) echo -xtarget=pentium4 ;;
1727 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1728 *-sse3) echo -xarch=sse3 ;;
1729 core2) echo -xarch=ssse3 -xchip=core2 ;;
1730 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1731 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1732 k8|opteron|athlon64|athlon-fx)
1733 echo -xarch=sse2a ;;
1734 athlon*) echo -xarch=pentium_proa ;;
1735 esac
1736 ;;
1737 -std=c99) echo -xc99 ;;
1738 -fomit-frame-pointer) echo -xregs=frameptr ;;
1739 -fPIC) echo -KPIC -xcode=pic32 ;;
1740 -Os) echo -O5 -xspace ;;
1741 -W*,*) echo $flag ;;
1742 -f*-*|-W*) ;;
1743 *) echo $flag ;;
1744 esac
1745 done
1746 }
1747 fi
1748
1749 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1750
1751 : ${as_default:=$cc}
1752 : ${dep_cc_default:=$cc}
1753 : ${ld_default:=$cc}
1754 set_default as dep_cc ld
1755
1756 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1757 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1758
1759 add_cflags $extra_cflags
1760 add_asflags $extra_cflags
1761
1762 if test -n "$sysroot"; then
1763 case "$cc_type" in
1764 gcc)
1765 add_cppflags --sysroot="$sysroot"
1766 add_ldflags --sysroot="$sysroot"
1767 ;;
1768 tms470)
1769 add_cppflags -I"$sysinclude"
1770 add_ldflags --sysroot="$sysroot"
1771 ;;
1772 clang)
1773 add_cppflags -isysroot="$sysroot"
1774 add_ldflags -isysroot="$sysroot"
1775 ;;
1776 esac
1777 fi
1778
1779 if test "$cpu" = host; then
1780 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1781
1782 case "$cc_type" in
1783 gcc)
1784 check_native(){
1785 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1786 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1787 }
1788 cpu=$(check_native -march || check_native -mcpu)
1789 ;;
1790 esac
1791
1792 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1793 fi
1794
1795 # Deal with common $arch aliases
1796 case "$arch" in
1797 arm*)
1798 arch="arm"
1799 ;;
1800 mips|mipsel|IP*)
1801 arch="mips"
1802 ;;
1803 mips64)
1804 arch="mips"
1805 subarch="mips64"
1806 ;;
1807 parisc|hppa)
1808 arch="parisc"
1809 ;;
1810 parisc64|hppa64)
1811 arch="parisc"
1812 subarch="parisc64"
1813 ;;
1814 "Power Macintosh"|ppc|powerpc)
1815 arch="ppc"
1816 ;;
1817 ppc64)
1818 arch="ppc"
1819 subarch="ppc64"
1820 ;;
1821 s390|s390x)
1822 arch="s390"
1823 ;;
1824 sh4|sh)
1825 arch="sh4"
1826 ;;
1827 sun4u|sparc64)
1828 arch="sparc"
1829 subarch="sparc64"
1830 ;;
1831 i[3-6]86|i86pc|BePC|x86_64|amd64)
1832 arch="x86"
1833 ;;
1834 esac
1835
1836 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1837 enable $arch
1838
1839 # Add processor-specific flags
1840 if test "$cpu" = generic; then
1841 : do nothing
1842 elif enabled ppc; then
1843
1844 case $cpu in
1845 601|ppc601|PowerPC601)
1846 cpuflags="-mcpu=601"
1847 ;;
1848 603*|ppc603*|PowerPC603*)
1849 cpuflags="-mcpu=603"
1850 ;;
1851 604*|ppc604*|PowerPC604*)
1852 cpuflags="-mcpu=604"
1853 ;;
1854 G3|g3|75*|ppc75*|PowerPC75*)
1855 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1856 ;;
1857 G4|g4|745*|ppc745*|PowerPC745*)
1858 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1859 ;;
1860 74*|ppc74*|PowerPC74*)
1861 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1862 ;;
1863 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1864 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1865 ;;
1866 Cell|CELL|cell)
1867 cpuflags="-mcpu=cell"
1868 enable ldbrx
1869 ;;
1870 esac
1871
1872 elif enabled x86; then
1873
1874 case $cpu in
1875 i[345]86|pentium)
1876 cpuflags="-march=$cpu"
1877 disable mmx
1878 ;;
1879 # targets that do NOT support conditional mov (cmov)
1880 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1881 cpuflags="-march=$cpu"
1882 disable cmov
1883 ;;
1884 # targets that do support conditional mov (cmov)
1885 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1886 cpuflags="-march=$cpu"
1887 enable cmov
1888 enable fast_cmov
1889 ;;
1890 # targets that do support conditional mov but on which it's slow
1891 pentium4|pentium4m|prescott|nocona)
1892 cpuflags="-march=$cpu"
1893 enable cmov
1894 disable fast_cmov
1895 ;;
1896 esac
1897
1898 elif enabled sparc; then
1899
1900 case $cpu in
1901 sparc64)
1902 cpuflags="-mcpu=v9"
1903 ;;
1904 esac
1905
1906 elif enabled arm; then
1907
1908 case $cpu in
1909 armv*)
1910 cpuflags="-march=$cpu"
1911 ;;
1912 *)
1913 cpuflags="-mcpu=$cpu"
1914 ;;
1915 esac
1916
1917 elif enabled alpha; then
1918
1919 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1920
1921 elif enabled bfin; then
1922
1923 cpuflags="-mcpu=$cpu"
1924
1925 elif enabled mips; then
1926
1927 cpuflags="-march=$cpu"
1928
1929 elif enabled avr32; then
1930
1931 case $cpu in
1932 ap7[02]0[0-2])
1933 subarch="avr32_ap"
1934 cpuflags="-mpart=$cpu"
1935 ;;
1936 ap)
1937 subarch="avr32_ap"
1938 cpuflags="-march=$cpu"
1939 ;;
1940 uc3[ab]*)
1941 subarch="avr32_uc"
1942 cpuflags="-mcpu=$cpu"
1943 ;;
1944 uc)
1945 subarch="avr32_uc"
1946 cpuflags="-march=$cpu"
1947 ;;
1948 esac
1949
1950 fi
1951
1952 add_cflags $cpuflags
1953 add_asflags $cpuflags
1954
1955 # compiler sanity check
1956 check_exec <<EOF
1957 int main(void){ return 0; }
1958 EOF
1959 if test "$?" != 0; then
1960 echo "$cc is unable to create an executable file."
1961 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1962 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1963 echo "Only do this if you know what cross compiling means."
1964 fi
1965 die "C compiler test failed."
1966 fi
1967
1968 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1969 check_cflags -std=c99
1970 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1971 #include <stdlib.h>
1972 EOF
1973 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1974 #include <stdlib.h>
1975 EOF
1976
1977 check_host_cflags -std=c99
1978
1979 case "$arch" in
1980 alpha|ia64|mips|parisc|sparc)
1981 spic=$shared
1982 ;;
1983 x86)
1984 subarch="x86_32"
1985 check_cc <<EOF && subarch="x86_64"
1986 int test[(int)sizeof(char*) - 7];
1987 EOF
1988 if test "$subarch" = "x86_64"; then
1989 spic=$shared
1990 fi
1991 ;;
1992 esac
1993
1994 enable $subarch
1995 enabled spic && enable pic
1996 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1997
1998 # OS specific
1999 case $target_os in
2000 beos|haiku|zeta)
2001 prefix_default="$HOME/config"
2002 # 3 gcc releases known for BeOS, each with ugly bugs
2003 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2004 case "$gcc_version" in
2005 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2006 disable mmx
2007 ;;
2008 *20010315*) echo "BeBits gcc"
2009 add_cflags -fno-expensive-optimizations
2010 ;;
2011 esac
2012 SHFLAGS=-nostart
2013 # enable BeOS things
2014 enable audio_beos
2015 # no need for libm, but the inet stuff
2016 # Check for BONE
2017 # XXX: actually should check for NOT net_server
2018 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2019 network_extralibs="-lbind -lsocket"
2020 else
2021 enable beos_netserver
2022 network_extralibs="-lnet"
2023 fi ;;
2024 sunos)
2025 FFSERVERLDFLAGS=""
2026 SHFLAGS='-shared -Wl,-h,$$(@F)'
2027 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2028 network_extralibs="-lsocket -lnsl"
2029 add_cppflags -D__EXTENSIONS__
2030 nm_opts='-P -g'
2031 ;;
2032 netbsd)
2033 oss_indev_extralibs="-lossaudio"
2034 oss_outdev_extralibs="-lossaudio"
2035 ;;
2036 openbsd)
2037 enable malloc_aligned
2038 # On OpenBSD 4.5. the compiler does not use PIC unless
2039 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2040 # however the generated executable will not do anything
2041 # (simply quits with exit-code 1, no crash, no output).
2042 # Thus explicitly enable PIC here.
2043 enable pic
2044 SHFLAGS='-shared'
2045 oss_indev_extralibs="-lossaudio"
2046 oss_outdev_extralibs="-lossaudio"
2047 ;;
2048 freebsd|dragonfly)
2049 enable malloc_aligned
2050 ;;
2051 bsd/os)
2052 osextralibs="-lpoll -lgnugetopt"
2053 strip="strip -d"
2054 ;;
2055 darwin)
2056 enable malloc_aligned
2057 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2058 strip="strip -x"
2059 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2060 SLIBSUF=".dylib"
2061 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2062 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2063 FFSERVERLDFLAGS=-Wl,-bind_at_load
2064 objformat="macho"
2065 enabled x86_64 && objformat="macho64"
2066 enabled_any pic shared ||
2067 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2068 ;;
2069 mingw32*)
2070 # Only WinXP or greater are supported
2071 add_cflags -D_WIN32_WINNT=0x0501
2072 if test $target_os = "mingw32ce"; then
2073 disable network
2074 else
2075 target_os=mingw32
2076 fi
2077 LIBTARGET=i386
2078 if enabled x86_64; then
2079 enable malloc_aligned
2080 LIBTARGET=x64
2081 elif enabled arm; then
2082 LIBTARGET=arm
2083 fi
2084 shlibdir_default="$bindir_default"
2085 disable ffserver
2086 SLIBPREF=""
2087 SLIBSUF=".dll"
2088 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2089 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2090 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2091 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2092 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2093 install -d "$(LIBDIR)"; \
2094 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2095 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2096 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2097 objformat="win32"
2098 enable dos_paths
2099 check_cflags -fno-common
2100 if ! enabled x86_64; then
2101 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2102 die "ERROR: MinGW runtime version must be >= 3.15."
2103 enabled_any avisynth vfwcap_indev &&
2104 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2105 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2106 fi
2107 ;;
2108 cygwin*)
2109 target_os=cygwin
2110 shlibdir_default="$bindir_default"
2111 SLIBPREF="cyg"
2112 SLIBSUF=".dll"
2113 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2114 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2115 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2116 objformat="win32"
2117 enable dos_paths
2118 check_cflags -fno-common
2119 ;;
2120 *-dos|freedos|opendos)
2121 disable ffplay ffserver
2122 disable $INDEV_LIST $OUTDEV_LIST
2123 network_extralibs="-lsocket"
2124 objformat="coff"
2125 enable dos_paths
2126 ;;
2127 linux)
2128 enable dv1394
2129 ;;
2130 irix*)
2131 target_os=irix
2132 ranlib="echo ignoring ranlib"
2133 ;;
2134 os/2*)
2135 strip="lxlite"
2136 ln_s="cp -f"
2137 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2138 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2139 FFSERVERLDFLAGS=""
2140 LIBSUF="_s.a"
2141 SLIBPREF=""
2142 SLIBSUF=".dll"
2143 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2144 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2145 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2146 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2147 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2148 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2149 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2150 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2151 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2152 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2153 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2154 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2155 enable dos_paths
2156 ;;
2157 gnu/kfreebsd)
2158 ;;
2159 gnu)
2160 ;;
2161
2162 *)
2163 die "Unknown OS '$target_os'."
2164 ;;
2165 esac
2166
2167 set_default $PATHS_LIST
2168
2169 add_extralibs $osextralibs
2170
2171 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2172 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2173
2174 # we need to build at least one lib type
2175 if ! enabled_any static shared; then
2176 cat <<EOF
2177 At least one library type must be built.
2178 Specify --enable-static to build the static libraries or --enable-shared to
2179 build the shared libraries as well. To only build the shared libraries specify
2180 --disable-static in addition to --enable-shared.
2181 EOF
2182 exit 1;
2183 fi
2184
2185 disabled static && LIBNAME=""
2186
2187 if enabled_any libfaad libfaadbin ; then
2188 if check_header faad.h; then
2189 check_cc <<EOF
2190 #include <faad.h>
2191 #ifndef FAAD2_VERSION
2192 ok faad1
2193 #endif
2194 int main(void) { return 0; }
2195 EOF
2196 test $? = 0 && enable libfaad2
2197 else
2198 die "FAAD test failed."
2199 fi
2200 fi
2201
2202
2203 die_license_disabled() {
2204 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2205 }
2206
2207 die_license_disabled gpl libfaad2
2208 die_license_disabled gpl libx264
2209 die_license_disabled gpl libxvid
2210 die_license_disabled gpl postproc
2211 die_license_disabled gpl x11grab
2212
2213 die_license_disabled nonfree libfaac
2214
2215 die_license_disabled version3 libopencore_amrnb
2216 die_license_disabled version3 libopencore_amrwb
2217
2218 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2219
2220 check_deps $ARCH_EXT_LIST
2221
2222 disabled optimizations || check_cflags -fomit-frame-pointer
2223
2224 enable_pic() {
2225 enable pic
2226 add_cppflags -DPIC
2227 add_cflags -fPIC
2228 add_asflags -fPIC
2229 }
2230
2231 enabled pic && enable_pic
2232
2233 check_cc <<EOF || die "Symbol mangling check failed."
2234 int ff_extern;
2235 EOF
2236 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2237 extern_prefix=${sym%%ff_extern*}
2238
2239 check_cc <<EOF && enable inline_asm
2240 void foo(void) { __asm__ volatile ("" ::); }
2241 EOF
2242
2243 _restrict=
2244 for restrict_keyword in restrict __restrict__ __restrict; do
2245 check_cc <<EOF && _restrict=$restrict_keyword && break
2246 void foo(char * $restrict_keyword p);
2247 EOF
2248 done
2249
2250 check_cc <<EOF && enable attribute_packed
2251 struct { int x; } __attribute__((packed)) x;
2252 EOF
2253
2254 check_cc <<EOF || die "endian test failed"
2255 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2256 EOF
2257 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2258
2259 if enabled alpha; then
2260
2261 check_cflags -mieee
2262
2263 elif enabled arm; then
2264
2265 check_cflags -marm
2266
2267 check_ld <<EOF && enable vfp_args
2268 __asm__ (".eabi_attribute 28, 1");
2269 int main(void) { return 0; }
2270 EOF
2271
2272 # We have to check if pld is a nop and disable it.
2273 check_asm pld '"pld [r0]"'
2274
2275 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2276 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2277 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2278 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2279 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2280 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2281
2282 enabled_all armv6t2 shared !pic && enable_pic
2283
2284 elif enabled ia64; then
2285
2286 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2287 enabled shared && enable_weak hardcoded_tables
2288
2289 elif enabled mips; then
2290
2291 check_asm loongson '"dmult.g $1, $2, $3"'
2292 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2293
2294 elif enabled ppc; then
2295
2296 check_asm dcbzl '"dcbzl 0, 1"'
2297 check_asm ppc4xx '"maclhw r10, r11, r12"'
2298 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2299
2300 # AltiVec flags: The FSF version of GCC differs from the Apple version
2301 if enabled altivec; then
2302 check_cflags -maltivec -mabi=altivec &&
2303 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2304 check_cflags -faltivec
2305
2306 # check if our compiler supports Motorola AltiVec C API
2307 check_cc <<EOF || disable altivec
2308 $inc_altivec_h
2309 int main(void) {
2310 vector signed int v1, v2, v3;
2311 v1 = vec_add(v2,v3);
2312 return 0;
2313 }
2314 EOF
2315
2316 # check if our compiler supports braces for vector declarations
2317 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2318 $inc_altivec_h
2319 int main (void) { (vector int) {1}; return 0; }
2320 EOF
2321 fi
2322
2323 elif enabled sparc; then
2324
2325 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2326 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2327
2328 elif enabled x86; then
2329
2330 # check whether EBP is available on x86
2331 # As 'i' is stored on the stack, this program will crash
2332 # if the base pointer is used to access it because the
2333 # base pointer is cleared in the inline assembly code.
2334 check_exec_crash <<EOF && enable ebp_available
2335 volatile int i=0;
2336 __asm__ volatile (
2337 "xorl %%ebp, %%ebp"
2338 ::: "%ebp");
2339 return i;
2340 EOF
2341
2342 # check whether EBX is available on x86
2343 check_asm ebx_available '""::"b"(0)' &&
2344 check_asm ebx_available '"":::"%ebx"'
2345
2346 # check whether more than 10 operands are supported
2347 check_cc <<EOF && enable ten_operands
2348 int main(void) {
2349 int x=0;
2350 __asm__ volatile(
2351 ""
2352 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2353 );
2354 return 0;
2355 }
2356 EOF
2357
2358 # check whether binutils is new enough to compile SSSE3/MMX2
2359 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2360 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2361
2362 check_asm bswap '"bswap %%eax" ::: "%eax"'
2363
2364 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2365 enabled x86_64 && append YASMFLAGS "-m amd64"
2366 enabled pic && append YASMFLAGS "-DPIC"
2367 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2368 case "$objformat" in
2369 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2370 esac
2371 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2372
2373 case "$cpu" in
2374 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2375 disable fast_clz
2376 ;;
2377 esac
2378
2379 fi
2380
2381 if check_func dlopen; then
2382 ldl=
2383 elif check_func dlopen -ldl; then
2384 ldl=-ldl
2385 fi
2386
2387 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2388 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2389
2390 check_func fork
2391 check_func getaddrinfo $network_extralibs
2392 check_func gethrtime
2393 check_func getrusage
2394 check_func inet_aton $network_extralibs
2395 check_func isatty
2396 check_func memalign
2397 check_func mkstemp
2398 check_func posix_memalign
2399 check_func_headers io.h setmode
2400 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2401 check_func_headers windows.h GetProcessTimes
2402 check_func_headers windows.h VirtualAlloc
2403
2404 check_header conio.h
2405 check_header dlfcn.h
2406 check_header dxva2api.h
2407 check_header malloc.h
2408 check_header poll.h
2409 check_header sys/mman.h
2410 check_header sys/resource.h
2411 check_header sys/select.h
2412 check_header termios.h
2413 check_header vdpau/vdpau.h
2414 check_header vdpau/vdpau_x11.h
2415 check_header X11/extensions/XvMClib.h
2416
2417 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2418 enabled_any $need_memalign ; then
2419 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2420 fi
2421
2422 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2423 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2424
2425 # check for some common methods of building with pthread support
2426 # do this before the optional library checks as some of them require pthreads
2427 if enabled pthreads; then
2428 if check_func pthread_create; then
2429 :
2430 elif check_func pthread_create -pthread; then
2431 add_cflags -pthread
2432 add_extralibs -pthread
2433 elif check_func pthread_create -pthreads; then
2434 add_cflags -pthreads
2435 add_extralibs -pthreads
2436 elif check_func pthread_create -lpthreadGC2; then
2437 add_extralibs -lpthreadGC2
2438 elif ! check_lib pthread.h pthread_create -lpthread; then
2439 die "ERROR: can't find pthreads library"
2440 fi
2441 fi
2442
2443 for thread in $THREADS_LIST; do
2444 if enabled $thread; then
2445 test -n "$thread_type" &&
2446 die "ERROR: Only one thread type must be selected." ||
2447 thread_type="$thread"
2448 fi
2449 done
2450
2451 check_lib math.h sin -lm
2452 check_lib va/va.h vaInitialize -lva
2453
2454 check_func exp2
2455 check_func exp2f
2456 check_func llrint
2457 check_func log2
2458 check_func log2f
2459 check_func lrint
2460 check_func lrintf
2461 check_func round
2462 check_func roundf
2463 check_func truncf
2464
2465 # these are off by default, so fail if requested and not available
2466 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2467 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2468 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2469 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2470 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2471 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2472 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2473 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2474 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2475 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2476 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2477 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2478 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2479 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2480 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2481 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2482 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2483 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2484 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2485 die "ERROR: libx264 version must be >= 0.83."; }
2486 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2487 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2488
2489 # libdc1394 check
2490 if enabled libdc1394; then
2491 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2492 enable libdc1394_2; } ||
2493 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2494 enable libdc1394_1; } ||
2495 die "ERROR: No version of libdc1394 found "
2496 fi
2497
2498 SDL_CONFIG="${cross_prefix}sdl-config"
2499 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2500 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2501 sdl_libs=$("${SDL_CONFIG}" --libs)
2502 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2503 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2504 enable sdl &&
2505 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2506 fi
2507
2508 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2509
2510 if enabled network; then
2511 check_type "sys/types.h sys/socket.h" socklen_t
2512 check_type netdb.h "struct addrinfo"
2513 check_type netinet/in.h "struct ipv6_mreq"
2514 check_type netinet/in.h "struct sockaddr_in6"
2515 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2516 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2517 # Prefer arpa/inet.h over winsock2
2518 if check_header arpa/inet.h ; then
2519 check_func closesocket
2520 elif check_header winsock2.h ; then
2521 check_func_headers winsock2.h closesocket -lws2 && \
2522 network_extralibs="-lws2" || \
2523 { check_func_headers winsock2.h closesocket -lws2_32 && \
2524 network_extralibs="-lws2_32"; }
2525 check_type ws2tcpip.h socklen_t
2526 check_type ws2tcpip.h "struct addrinfo"
2527 check_type ws2tcpip.h "struct ipv6_mreq"
2528 check_type ws2tcpip.h "struct sockaddr_in6"
2529 check_type ws2tcpip.h "struct sockaddr_storage"
2530 check_struct winsock2.h "struct sockaddr" sa_len
2531 else
2532 disable network
2533 fi
2534 fi
2535
2536 check_header linux/videodev.h
2537 check_header linux/videodev2.h
2538 check_header sys/videoio.h
2539
2540 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2541
2542 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2543 { check_header dev/bktr/ioctl_meteor.h &&
2544 check_header dev/bktr/ioctl_bt848.h; } ||
2545 { check_header machine/ioctl_meteor.h &&
2546 check_header machine/ioctl_bt848.h; } ||
2547 { check_header dev/video/meteor/ioctl_meteor.h &&
2548 check_header dev/video/bktr/ioctl_bt848.h; } ||
2549 check_header dev/ic/bt8xx.h
2550
2551 check_header sys/soundcard.h
2552 check_header soundcard.h
2553
2554 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2555
2556 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2557
2558 enabled x11grab &&
2559 check_header X11/Xlib.h &&
2560 check_header X11/extensions/XShm.h &&
2561 check_header X11/extensions/Xfixes.h &&
2562 check_func XOpenDisplay -lX11 &&
2563 check_func XShmCreateImage -lX11 -lXext &&
2564 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2565
2566 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2567 check_cpp_condition \
2568 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2569 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2570 disable vdpau; }
2571 fi
2572
2573 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2574
2575 # add some useful compiler flags if supported
2576 check_cflags -Wdeclaration-after-statement
2577 check_cflags -Wall
2578 check_cflags -Wno-switch
2579 check_cflags -Wdisabled-optimization
2580 check_cflags -Wpointer-arith
2581 check_cflags -Wredundant-decls
2582 check_cflags -Wno-pointer-sign
2583 check_cflags -Wcast-qual
2584 check_cflags -Wwrite-strings
2585 check_cflags -Wtype-limits
2586 check_cflags -Wundef
2587 enabled extra_warnings && check_cflags -Winline
2588
2589 # add some linker flags
2590 check_ldflags -Wl,--warn-common
2591 check_ldflags -Wl,--as-needed
2592 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2593 check_ldflags -Wl,-Bsymbolic
2594
2595 echo "X{};" > $TMPV
2596 test_ldflags -Wl,--version-script,$TMPV &&
2597 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2598
2599 if enabled small; then
2600 check_cflags -Os # not all compilers support -Os
2601 optimizations="small"
2602 elif enabled optimizations; then
2603 if enabled xlc; then
2604 add_cflags -O5
2605 add_ldflags -O5
2606 elif enabled suncc; then
2607 add_cflags -O5
2608 elif enabled ccc; then
2609 add_cflags -fast
2610 else
2611 add_cflags -O3
2612 fi
2613 fi
2614 check_cflags -fno-math-errno
2615 check_cflags -fno-signed-zeros
2616
2617 if enabled icc; then
2618 # Just warnings, no remarks
2619 check_cflags -w1
2620 # -wd: Disable following warnings
2621 # 144, 167, 556: -Wno-pointer-sign
2622 # 10006: ignoring unknown option -fno-signed-zeros
2623 # 10156: ignoring option '-W'; no argument required
2624 check_cflags -wd144,167,556,10006,10156
2625 # 11030: Warning unknown option --as-needed
2626 # 10156: ignoring option '-export'; no argument required
2627 check_ldflags -wd10156,11030
2628 # Allow to compile with optimizations
2629 check_ldflags -march=$cpu
2630 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2631 enable ebp_available
2632 elif enabled ccc; then
2633 # disable some annoying warnings
2634 add_cflags -msg_disable cvtu32to64
2635 add_cflags -msg_disable embedcomment
2636 add_cflags -msg_disable needconstext
2637 add_cflags -msg_disable nomainieee
2638 add_cflags -msg_disable ptrmismatch1
2639 add_cflags -msg_disable unreachcode
2640 elif enabled gcc; then
2641 check_cflags -fno-tree-vectorize
2642 elif enabled clang; then
2643 check_cflags -Qunused-arguments
2644 elif enabled armcc; then
2645 # 2523: use of inline assembler is deprecated
2646 add_cflags -Wrvct,--diag_suppress=2523
2647 fi
2648
2649 if enabled gprof; then
2650 add_cflags -p
2651 add_ldflags -p
2652 fi
2653
2654 # Find out if the .align argument is a power of two or not.
2655 check_asm asmalign_pot '".align 3"'
2656
2657 enabled_any $DECODER_LIST && enable decoders
2658 enabled_any $ENCODER_LIST && enable encoders
2659 enabled_any $HWACCEL_LIST && enable hwaccels
2660 enabled_any $BSF_LIST && enable bsfs
2661 enabled_any $DEMUXER_LIST && enable demuxers
2662 enabled_any $MUXER_LIST && enable muxers
2663 enabled_any $FILTER_LIST && enable filters
2664 enabled_any $INDEV_LIST && enable indevs
2665 enabled_any $OUTDEV_LIST && enable outdevs
2666 enabled_any $PROTOCOL_LIST && enable protocols
2667
2668 enabled_any $THREADS_LIST && enable threads
2669
2670 check_deps $CONFIG_LIST \
2671 $CONFIG_EXTRA \
2672 $HAVE_LIST \
2673 $DECODER_LIST \
2674 $ENCODER_LIST \
2675 $HWACCEL_LIST \
2676 $PARSER_LIST \
2677 $BSF_LIST \
2678 $DEMUXER_LIST \
2679 $MUXER_LIST \
2680 $FILTER_LIST \
2681 $INDEV_LIST \
2682 $OUTDEV_LIST \
2683 $PROTOCOL_LIST \
2684
2685 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2686
2687 echo "install prefix $prefix"
2688 echo "source path $source_path"
2689 echo "C compiler $cc"
2690 echo ".align is power-of-two $asmalign_pot"
2691 echo "ARCH $arch ($cpu)"
2692 if test "$build_suffix" != ""; then
2693 echo "build suffix $build_suffix"
2694 fi
2695 if test "$extra_version" != ""; then
2696 echo "version string suffix $extra_version"
2697 fi
2698 echo "big-endian ${bigendian-no}"
2699 echo "runtime cpu detection ${runtime_cpudetect-no}"
2700 if enabled x86; then
2701 echo "yasm ${yasm-no}"
2702 echo "MMX enabled ${mmx-no}"
2703 echo "MMX2 enabled ${mmx2-no}"
2704 echo "3DNow! enabled ${amd3dnow-no}"
2705 echo "3DNow! extended enabled ${amd3dnowext-no}"
2706 echo "SSE enabled ${sse-no}"
2707 echo "SSSE3 enabled ${ssse3-no}"
2708 echo "CMOV enabled ${cmov-no}"
2709 echo "CMOV is fast ${fast_cmov-no}"
2710 echo "EBX available ${ebx_available-no}"
2711 echo "EBP available ${ebp_available-no}"
2712 echo "10 operands supported ${ten_operands-no}"
2713 fi
2714 if enabled arm; then
2715 echo "ARMv5TE enabled ${armv5te-no}"
2716 echo "ARMv6 enabled ${armv6-no}"
2717 echo "ARMv6T2 enabled ${armv6t2-no}"
2718 echo "ARM VFP enabled ${armvfp-no}"
2719 echo "IWMMXT enabled ${iwmmxt-no}"
2720 echo "NEON enabled ${neon-no}"
2721 fi
2722 if enabled mips; then
2723 echo "MMI enabled ${mmi-no}"
2724 fi
2725 if enabled ppc; then
2726 echo "AltiVec enabled ${altivec-no}"
2727 echo "PPC 4xx optimizations ${ppc4xx-no}"
2728 echo "dcbzl available ${dcbzl-no}"
2729 echo "performance report ${powerpc_perf-no}"
2730 fi
2731 if enabled sparc; then
2732 echo "VIS enabled ${vis-no}"
2733 fi
2734 echo "gprof enabled ${gprof-no}"
2735 echo "debug symbols ${debug-no}"
2736 echo "strip symbols ${stripping-no}"
2737 echo "optimizations ${optimizations-no}"
2738 echo "static ${static-no}"
2739 echo "shared ${shared-no}"
2740 echo "postprocessing support ${postproc-no}"
2741 echo "new filter support ${avfilter-no}"
2742 echo "filters using lavformat ${avfilter_lavf-no}"
2743 echo "network support ${network-no}"
2744 echo "threading support ${thread_type-no}"
2745 echo "SDL support ${sdl-no}"
2746 echo "Sun medialib support ${mlib-no}"
2747 echo "AVISynth enabled ${avisynth-no}"
2748 echo "libdc1394 support ${libdc1394-no}"
2749 echo "libdirac enabled ${libdirac-no}"
2750 echo "libfaac enabled ${libfaac-no}"
2751 echo "libfaad enabled ${libfaad-no}"
2752 echo "libfaad dlopened ${libfaadbin-no}"
2753 echo "libgsm enabled ${libgsm-no}"
2754 echo "libmp3lame enabled ${libmp3lame-no}"
2755 echo "libnut enabled ${libnut-no}"
2756 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2757 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2758 echo "libopenjpeg enabled ${libopenjpeg-no}"
2759 echo "libschroedinger enabled ${libschroedinger-no}"
2760 echo "libspeex enabled ${libspeex-no}"
2761 echo "libtheora enabled ${libtheora-no}"
2762 echo "libvorbis enabled ${libvorbis-no}"
2763 echo "libx264 enabled ${libx264-no}"
2764 echo "libxvid enabled ${libxvid-no}"
2765 echo "zlib enabled ${zlib-no}"
2766 echo "bzlib enabled ${bzlib-no}"
2767 echo
2768
2769 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2770 echo "Enabled ${type}s:"
2771 eval list=\$$(toupper $type)_LIST
2772 for part in $list; do
2773 enabled $part && echo ${part%_*}
2774 done | sort | pr -3 -t
2775 echo
2776 done
2777
2778 license="LGPL version 2.1 or later"
2779 if enabled nonfree; then
2780 license="nonfree and unredistributable"
2781 elif enabled gplv3; then
2782 license="GPL version 3 or later"
2783 elif enabled lgplv3; then
2784 license="LGPL version 3 or later"
2785 elif enabled gpl; then
2786 license="GPL version 2 or later"
2787 fi
2788
2789 echo "License: $license"
2790
2791 echo "Creating config.mak and config.h..."
2792
2793 # build tree in object directory if source path is different from current one
2794 if enabled source_path_used; then
2795 DIRS="
2796 doc
2797 libavcodec
2798 libavcodec/$arch
2799 libavdevice
2800 libavfilter
2801 libavformat
2802 libavutil
2803 libavutil/$arch
2804 libpostproc
2805 libswscale
2806 libswscale/$arch
2807 tests
2808 tools
2809 "
2810 FILES="
2811 Makefile
2812 common.mak
2813 subdir.mak
2814 doc/texi2pod.pl
2815 libavcodec/Makefile
2816 libavdevice/Makefile
2817 libavfilter/Makefile
2818 libavformat/Makefile
2819 libavutil/Makefile
2820 libpostproc/Makefile
2821 libswscale/Makefile
2822 "
2823 for dir in $DIRS ; do
2824 mkdir -p $dir
2825 done
2826 for f in $FILES ; do
2827 $ln_s "$source_path/$f" $f
2828 done
2829 fi
2830
2831 enabled stripping || strip="echo skipping strip"
2832
2833 cat > config.mak <<EOF
2834 # Automatically generated by configure - do not modify!
2835 ifndef FFMPEG_CONFIG_MAK
2836 FFMPEG_CONFIG_MAK=1
2837 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2838 prefix=$prefix
2839 LIBDIR=\$(DESTDIR)$libdir
2840 SHLIBDIR=\$(DESTDIR)$shlibdir
2841 INCDIR=\$(DESTDIR)$incdir
2842 BINDIR=\$(DESTDIR)$bindir
2843 DATADIR=\$(DESTDIR)$datadir
2844 MANDIR=\$(DESTDIR)$mandir
2845 SRC_PATH="$source_path"
2846 SRC_PATH_BARE=$source_path
2847 BUILD_ROOT="$PWD"
2848 ARCH=$arch
2849 CC=$cc
2850 AS=$as
2851 LD=$ld
2852 DEPCC=$dep_cc
2853 YASM=$yasmexe
2854 AR=$ar
2855 RANLIB=$ranlib
2856 LN_S=$ln_s
2857 STRIP=$strip
2858 CPPFLAGS=$CPPFLAGS
2859 CFLAGS=$CFLAGS
2860 ASFLAGS=$ASFLAGS
2861 CC_O=$CC_O
2862 LDFLAGS=$LDFLAGS
2863 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2864 SHFLAGS=$SHFLAGS
2865 YASMFLAGS=$YASMFLAGS
2866 BUILDSUF=$build_suffix
2867 FULLNAME=$FULLNAME
2868 LIBPREF=$LIBPREF
2869 LIBSUF=$LIBSUF
2870 LIBNAME=$LIBNAME
2871 SLIBPREF=$SLIBPREF
2872 SLIBSUF=$SLIBSUF
2873 EXESUF=$EXESUF
2874 EXTRA_VERSION=$extra_version
2875 DEPFLAGS=$DEPFLAGS
2876 CCDEP=$CCDEP
2877 ASDEP=$ASDEP
2878 CC_DEPFLAGS=$CC_DEPFLAGS
2879 AS_DEPFLAGS=$AS_DEPFLAGS
2880 HOSTCC=$host_cc
2881 HOSTCFLAGS=$host_cflags
2882 HOSTEXESUF=$HOSTEXESUF
2883 HOSTLDFLAGS=$host_ldflags
2884 HOSTLIBS=$host_libs
2885 TARGET_EXEC=$target_exec
2886 TARGET_PATH=$target_path
2887 SDL_LIBS=$sdl_libs
2888 SDL_CFLAGS=$sdl_cflags
2889 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2890 EXTRALIBS=$extralibs
2891 EOF
2892
2893 get_version(){
2894 name=$1
2895 file=$source_path/$2
2896 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2897 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2898 lcname=$(tolower $name)
2899 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2900 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2901 }
2902
2903 get_version LIBSWSCALE libswscale/swscale.h
2904 get_version LIBPOSTPROC libpostproc/postprocess.h
2905 get_version LIBAVCODEC libavcodec/avcodec.h
2906 get_version LIBAVDEVICE libavdevice/avdevice.h
2907 get_version LIBAVFORMAT libavformat/avformat.h
2908 get_version LIBAVUTIL libavutil/avutil.h
2909 get_version LIBAVFILTER libavfilter/avfilter.h
2910
2911 enabled shared && cat >> config.mak <<EOF
2912 LIBTARGET=${LIBTARGET}
2913 SLIBNAME=${SLIBNAME}
2914 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2915 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2916 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2917 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2918 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2919 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2920 EOF
2921
2922 enabled asmalign_pot || align_shift="1 <<"
2923
2924 cat > $TMPH <<EOF
2925 /* Automatically generated by configure - do not modify! */
2926 #ifndef FFMPEG_CONFIG_H
2927 #define FFMPEG_CONFIG_H
2928 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2929 #define FFMPEG_LICENSE "$(c_escape $license)"
2930 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2931 #define CC_TYPE "$cc_type"
2932 #define CC_VERSION $cc_version
2933 #define restrict $_restrict
2934 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2935 #define EXTERN_PREFIX "${extern_prefix}"
2936 #define EXTERN_ASM ${extern_prefix}
2937 EOF
2938
2939 if enabled small || disabled optimizations; then
2940 echo "#define av_always_inline" >> $TMPH
2941 fi
2942
2943 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2944 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2945 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2946 $CONFIG_EXTRA \
2947 $DECODER_LIST \
2948 $ENCODER_LIST \
2949 $HWACCEL_LIST \
2950 $PARSER_LIST \
2951 $BSF_LIST \
2952 $DEMUXER_LIST \
2953 $MUXER_LIST \
2954 $FILTER_LIST \
2955 $PROTOCOL_LIST \
2956 $INDEV_LIST \
2957 $OUTDEV_LIST \
2958
2959 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2960 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2961
2962 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2963 cp_if_changed $TMPH config.h
2964
2965 cat > $TMPH <<EOF
2966 /* Generated by ffconf */
2967 #ifndef AVUTIL_AVCONFIG_H
2968 #define AVUTIL_AVCONFIG_H
2969 EOF
2970
2971 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
2972
2973 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
2974
2975 cp_if_changed $TMPH libavutil/avconfig.h
2976
2977 # build pkg-config files
2978
2979 pkgconfig_generate(){
2980 name=$1
2981 shortname=${name#lib}${build_suffix}
2982 comment=$2
2983 version=$3
2984 libs=$4
2985 requires=$5
2986 cat <<EOF > $name/$name.pc
2987 prefix=$prefix
2988 exec_prefix=\${prefix}
2989 libdir=$libdir
2990 includedir=$incdir
2991
2992 Name: $name
2993 Description: $comment
2994 Version: $version
2995 Requires: $(enabled shared || echo $requires)
2996 Requires.private: $(enabled shared && echo $requires)
2997 Conflicts:
2998 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2999 Libs.private: $(enabled shared && echo $libs)
3000 Cflags: -I\${includedir}
3001 EOF
3002 cat <<EOF > $name/$name-uninstalled.pc
3003 prefix=
3004 exec_prefix=
3005 libdir=\${pcfiledir}
3006 includedir=${source_path}
3007
3008 Name: $name
3009 Description: $comment
3010 Version: $version
3011 Requires: $requires
3012 Conflicts:
3013 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3014 Cflags: -I\${includedir}
3015 EOF
3016 }
3017
3018 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3019 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3020 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3021 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3022 enabled avfilter &&
3023 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3024 enabled postproc &&
3025 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3026 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"