Build MMX/SSE FFT only if CONFIG_FFT is set
[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 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
71 echo " --enable-static build static libraries [default=yes]"
72 echo " --disable-static do not build static libraries [default=no]"
73 echo " --enable-shared build shared libraries [default=no]"
74 echo " --disable-shared do not build shared libraries [default=yes]"
75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
78 echo " and ffmpeg will be unredistributable [default=no]"
79 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
80 echo " --enable-swscale software scaler support [default=no]"
81 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
82 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
83 echo " --enable-beosthreads use BeOS threads [default=no]"
84 echo " --enable-os2threads use OS/2 threads [default=no]"
85 echo " --enable-pthreads use pthreads [default=no]"
86 echo " --enable-w32threads use Win32 threads [default=no]"
87 echo " --enable-x11grab enable X11 grabbing [default=no]"
88 echo
89 echo "External library support:"
90 echo " --enable-mlib use Sun medialib [default=no]"
91 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
92 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
93 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
94 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
95 echo " and libraw1394 [default=no]"
96 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
97 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
98 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
99 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
100 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
101 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
102 echo " --enable-libnut enable NUT (de)muxing via libnut,"
103 echo " native demuxer exists [default=no]"
104 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
105 echo " --enable-libspeex enable Speex decoding via libspeex [default=no]"
106 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
107 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
108 echo " native implementation exists [default=no]"
109 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
110 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
111 echo " native MPEG-4/Xvid encoder exists [default=no]"
112 echo ""
113 echo "Advanced options (experts only):"
114 echo " --source-path=PATH path to source code [$source_path]"
115 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
116 echo " --enable-cross-compile assume a cross-compiler is used"
117 echo " --target-os=OS compiler targets OS [$target_os]"
118 echo " --cc=CC use C compiler CC [$cc]"
119 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
120 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
121 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
122 echo " --extra-version=STRING version string suffix []"
123 echo " --build-suffix=SUFFIX suffix for application specific build []"
124 echo " --arch=ARCH select architecture [$arch]"
125 echo " --cpu=CPU selects the minimum cpu required (affects"
126 echo " instruction selection, may crash on older CPUs)"
127 echo " --enable-powerpc-perf enable performance report on PPC"
128 echo " (requires enabling PMC)"
129 echo " --disable-mmx disable MMX usage"
130 echo " --disable-mmx2 disable MMX2 usage"
131 echo " --disable-ssse3 disable SSSE3 usage"
132 echo " --disable-armv5te disable armv5te usage"
133 echo " --disable-armv6 disable armv6 usage"
134 echo " --disable-armvfp disable ARM VFP usage"
135 echo " --disable-iwmmxt disable iwmmxt usage"
136 echo " --disable-altivec disable AltiVec usage"
137 echo " --disable-network disable network support [default=no]"
138 echo " --disable-ipv6 disable ipv6 support [default=no]"
139 echo " --disable-zlib disable zlib [default=no]"
140 echo " --disable-bzlib disable bzlib [default=no]"
141 echo " --disable-vhook disable video hooking support"
142 echo " --disable-mpegaudio-hp faster (but less accurate)"
143 echo " MPEG audio decoding [default=no]"
144 echo " --enable-gray enable full grayscale support (slower color)"
145 echo " --disable-ffmpeg disable ffmpeg build"
146 echo " --disable-ffserver disable ffserver build"
147 echo " --disable-ffplay disable ffplay build"
148 echo " --enable-small optimize for size instead of speed"
149 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
150 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
151 echo " --disable-encoder=NAME disables encoder NAME"
152 echo " --enable-encoder=NAME enables encoder NAME"
153 echo " --disable-decoder=NAME disables decoder NAME"
154 echo " --enable-decoder=NAME enables decoder NAME"
155 echo " --disable-encoders disables all encoders"
156 echo " --disable-decoders disables all decoders"
157 echo " --disable-muxer=NAME disables muxer NAME"
158 echo " --enable-muxer=NAME enables muxer NAME"
159 echo " --disable-muxers disables all muxers"
160 echo " --disable-demuxer=NAME disables demuxer NAME"
161 echo " --enable-demuxer=NAME enables demuxer NAME"
162 echo " --disable-demuxers disables all demuxers"
163 echo " --enable-parser=NAME enables parser NAME"
164 echo " --disable-parser=NAME disables parser NAME"
165 echo " --disable-parsers disables all parsers"
166 echo " --enable-bsf=NAME enables bitstream filter NAME"
167 echo " --disable-bsf=NAME disables bitstream filter NAME"
168 echo " --disable-bsfs disables all bitstream filters"
169 echo " --enable-protocol=NAME enables protocol NAME"
170 echo " --disable-protocol=NAME disables protocol NAME"
171 echo " --disable-protocols disables all protocols"
172 echo " --disable-devices disables all devices"
173 echo " --enable-filter=NAME enables filter NAME"
174 echo " --disable-filter=NAME disables filter NAME"
175 echo " --disable-filters disables all filters"
176 echo " --list-decoders show all available decoders"
177 echo " --list-encoders show all available encoders"
178 echo " --list-muxers show all available muxers"
179 echo " --list-demuxers show all available demuxers"
180 echo " --list-parsers show all available parsers"
181 echo " --list-protocols show all available protocols"
182 echo " --list-bsfs show all available bitstream filters"
183 echo " --list-indevs show all available input devices"
184 echo " --list-outdevs show all available output devices"
185 echo " --list-filters show all available filters"
186 echo
187 echo "Developer options (useful when working on FFmpeg itself):"
188 echo " --disable-debug disable debugging symbols"
189 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
190 echo " --enable-gprof enable profiling with gprof [$gprof]"
191 echo " --disable-optimizations disable compiler optimizations"
192 echo " --enable-extra-warnings enable more compiler warnings"
193 echo " --disable-stripping disable stripping of executables and shared libraries"
194 echo ""
195 echo "NOTE: Object files are built at the place where configure is launched."
196 exit 0
197 }
198
199 log(){
200 echo "$@" >> $logfile
201 }
202
203 log_file(){
204 log BEGIN $1
205 pr -n -t $1 >> $logfile
206 log END $1
207 }
208
209 echolog(){
210 log "$@"
211 echo "$@"
212 }
213
214 die(){
215 echolog "$@"
216 cat <<EOF
217 If you think configure made a mistake, make sure you are using the latest
218 version from SVN. If the latest version fails, report the problem to the
219 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
220 EOF
221 if disabled logging; then
222 cat <<EOF
223 Rerun configure with logging enabled (do not use --disable-logging), and
224 include the log this produces with your report.
225 EOF
226 else
227 cat <<EOF
228 Include the log file "$logfile" produced by configure as this will help
229 solving the problem.
230 EOF
231 fi
232 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
233 exit 1
234 }
235
236 # Avoid locale weirdness, besides we really just want to translate ASCII.
237 toupper(){
238 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
239 }
240
241 tolower(){
242 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
243 }
244
245 set_all(){
246 value=$1
247 shift
248 for var in $*; do
249 eval $var=$value
250 done
251 }
252
253 set_weak(){
254 value=$1
255 shift
256 for var; do
257 eval : \${$var:=$value}
258 done
259 }
260
261 pushvar(){
262 for var in $*; do
263 eval level=\${${var}_level:=0}
264 eval ${var}_${level}="\$$var"
265 eval ${var}_level=$(($level+1))
266 done
267 }
268
269 popvar(){
270 for var in $*; do
271 eval level=\${${var}_level:-0}
272 test $level = 0 && continue
273 eval level=$(($level-1))
274 eval $var="\${${var}_${level}}"
275 eval ${var}_level=$level
276 eval unset ${var}_${level}
277 done
278 }
279
280 enable(){
281 set_all yes $*
282 }
283
284 disable(){
285 set_all no $*
286 }
287
288 enable_weak(){
289 set_weak yes $*
290 }
291
292 disable_weak(){
293 set_weak no $*
294 }
295
296 do_enable_deep(){
297 for var; do
298 enabled $var && continue
299 eval sel="\$${var}_select"
300 eval sgs="\$${var}_suggest"
301 pushvar var sgs
302 enable_deep $sel
303 popvar sgs
304 enable_deep_weak $sgs
305 popvar var
306 done
307 }
308
309 enable_deep(){
310 do_enable_deep $*
311 enable $*
312 }
313
314 enable_deep_weak(){
315 do_enable_deep $*
316 enable_weak $*
317 }
318
319 enabled(){
320 test "${1#!}" = "$1" && op== || op=!=
321 eval test "x\$${1#!}" $op "xyes"
322 }
323
324 disabled(){
325 test "${1#!}" = "$1" && op== || op=!=
326 eval test "x\$${1#!}" $op "xno"
327 }
328
329 enabled_all(){
330 for opt; do
331 enabled $opt || return 1
332 done
333 }
334
335 disabled_all(){
336 for opt; do
337 disabled $opt || return 1
338 done
339 }
340
341 enabled_any(){
342 for opt; do
343 enabled $opt && return 0
344 done
345 }
346
347 disabled_any(){
348 for opt; do
349 disabled $opt && return 0
350 done
351 return 1
352 }
353
354 set_default(){
355 for opt; do
356 eval test -z "\$$opt" && eval $opt=\$${opt}_default
357 done
358 }
359
360 is_in(){
361 value=$1
362 shift
363 for var in $*; do
364 [ $var = $value ] && return 0
365 done
366 return 1
367 }
368
369 check_deps(){
370 for cfg; do
371 cfg="${cfg#!}"
372 enabled ${cfg}_checking && die "Circular dependency for $cfg."
373 disabled ${cfg}_checking && continue
374 enable ${cfg}_checking
375
376 eval dep_all="\$${cfg}_deps"
377 eval dep_any="\$${cfg}_deps_any"
378 eval dep_sel="\$${cfg}_select"
379 eval dep_sgs="\$${cfg}_suggest"
380
381 pushvar cfg dep_all dep_any dep_sel dep_sgs
382 check_deps $dep_all $dep_any $dep_sel $dep_sgs
383 popvar cfg dep_all dep_any dep_sel dep_sgs
384
385 enabled_all $dep_all || disable $cfg
386 enabled_any $dep_any || disable $cfg
387 disabled_any $dep_sel && disable $cfg
388
389 if enabled $cfg; then
390 eval dep_extralibs="\$${cfg}_extralibs"
391 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
392 enable_deep $dep_sel
393 enable_deep_weak $dep_sgs
394 fi
395
396 disable ${cfg}_checking
397 done
398 }
399
400 print_config(){
401 pfx=$1
402 header=$2
403 makefile=$3
404 shift 3
405 for cfg; do
406 ucname="`toupper $cfg`"
407 if enabled $cfg; then
408 echo "#define ${pfx}${ucname} 1" >> $header
409 echo "#define ENABLE_${ucname} 1" >> $header
410 echo "${pfx}${ucname}=yes" >> $makefile
411 else
412 echo "#define ENABLE_${ucname} 0" >> $header
413 fi
414 done
415 }
416
417 flags_saved(){
418 (: ${SAVE_CFLAGS?}) 2> /dev/null
419 }
420
421 save_flags(){
422 flags_saved && return
423 SAVE_CFLAGS="$CFLAGS"
424 SAVE_LDFLAGS="$LDFLAGS"
425 SAVE_extralibs="$extralibs"
426 }
427
428 restore_flags(){
429 flags_saved || return
430 CFLAGS="$SAVE_CFLAGS"
431 LDFLAGS="$SAVE_LDFLAGS"
432 extralibs="$SAVE_extralibs"
433 unset SAVE_CFLAGS
434 unset SAVE_LDFLAGS
435 unset SAVE_extralibs
436 }
437
438 temp_cflags(){
439 save_flags
440 CFLAGS="$CFLAGS $*"
441 }
442
443 temp_ldflags(){
444 save_flags
445 LDFLAGS="$LDFLAGS $*"
446 }
447
448 temp_extralibs(){
449 save_flags
450 extralibs="$extralibs $*"
451 }
452
453 append(){
454 var=$1
455 shift
456 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
457 eval "$var=\"\$$var $*\""
458 }
459
460 add_cflags(){
461 append CFLAGS "$@"
462 }
463
464 add_ldflags(){
465 append LDFLAGS "$@"
466 }
467
468 add_extralibs(){
469 append extralibs "$@"
470 }
471
472 check_cmd(){
473 log "$@"
474 "$@" >> $logfile 2>&1
475 }
476
477 check_cc(){
478 log check_cc "$@"
479 cat > $TMPC
480 log_file $TMPC
481 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
482 }
483
484 check_cpp(){
485 log check_cpp "$@"
486 cat > $TMPC
487 log_file $TMPC
488 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
489 }
490
491 check_asm(){
492 log check_asm "$@"
493 name="$1"
494 asm="$2"
495 shift 2
496 check_cc "$@" <<EOF && enable $name || disable $name
497 int foo(void){ __asm__ volatile($asm); }
498 EOF
499 }
500
501 check_yasm(){
502 log check_yasm "$@"
503 echo "$1" > $TMPS
504 log_file $TMPS
505 shift 1
506 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
507 }
508
509 check_ld(){
510 log check_ld "$@"
511 check_cc || return
512 flags=''
513 libs=''
514 for f; do
515 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
516 done
517 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
518 }
519
520 check_cflags(){
521 log check_cflags "$@"
522 check_cc "$@" <<EOF && add_cflags "$@"
523 int x;
524 EOF
525 }
526
527 check_ldflags(){
528 log check_ldflags "$@"
529 check_ld "$@" <<EOF && add_ldflags "$@"
530 int main(void){ return 0; }
531 EOF
532 }
533
534 check_header(){
535 log check_header "$@"
536 header=$1
537 shift
538 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
539 disable $var
540 check_cpp "$@" <<EOF && enable $var
541 #include <$header>
542 int x;
543 EOF
544 }
545
546 check_func(){
547 log check_func "$@"
548 func=$1
549 shift
550 disable $func
551 check_ld "$@" <<EOF && enable $func
552 extern int $func();
553 int main(void){ $func(); }
554 EOF
555 }
556
557 check_func_headers(){
558 log check_func_headers "$@"
559 headers=$1
560 func=$2
561 shift 2
562 disable $func
563 incs=""
564 for hdr in $headers; do
565 incs="$incs
566 #include <$hdr>"
567 done
568 check_ld "$@" <<EOF && enable $func
569 $incs
570 int main(int argc, char **argv){
571 (void) $func;
572 return 0;
573 }
574 EOF
575 }
576
577 check_cpp_condition(){
578 log check_cpp_condition "$@"
579 header=$1
580 condition=$2
581 check_cpp <<EOF
582 #include <$header>
583 #if !($condition)
584 #error "unsatisfied condition: $condition"
585 #endif
586 EOF
587 }
588
589 check_lib(){
590 log check_lib "$@"
591 header="$1"
592 func="$2"
593 shift 2
594 temp_extralibs "$@"
595 check_header $header && check_func $func && add_extralibs "$@"
596 err=$?
597 restore_flags
598 return $err
599 }
600
601 check_lib2(){
602 log check_lib2 "$@"
603 headers="$1"
604 func="$2"
605 shift 2
606 temp_extralibs "$@"
607 check_func_headers "$headers" $func && add_extralibs "$@"
608 err=$?
609 restore_flags
610 return $err
611 }
612
613 check_exec(){
614 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
615 }
616
617 check_exec_crash(){
618 code=`cat`
619
620 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
621 # are safe but may not be available everywhere. Thus we use
622 # raise(SIGTERM) instead. The check is run in a subshell so we
623 # can redirect the "Terminated" message from the shell. SIGBUS
624 # is not defined by standard C so it is used conditionally.
625
626 (check_exec "$@") >> $logfile 2>&1 <<EOF
627 #include <signal.h>
628 static void sighandler(int sig){
629 raise(SIGTERM);
630 }
631 int main(void){
632 signal(SIGILL, sighandler);
633 signal(SIGFPE, sighandler);
634 signal(SIGSEGV, sighandler);
635 #ifdef SIGBUS
636 signal(SIGBUS, sighandler);
637 #endif
638 { $code }
639 }
640 EOF
641 }
642
643 check_type(){
644 log check_type "$@"
645 headers=$1
646 type=$2
647 shift 2
648 disable $type
649 incs=""
650 for hdr in $headers; do
651 incs="$incs
652 #include <$hdr>"
653 done
654 check_cc "$@" <<EOF && enable $type
655 $incs
656 $type v;
657 EOF
658 }
659
660 require(){
661 name="$1"
662 header="$2"
663 func="$3"
664 shift 3
665 check_lib $header $func "$@" || die "ERROR: $name not found"
666 }
667
668 require2(){
669 name="$1"
670 headers="$2"
671 func="$3"
672 shift 3
673 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
674 }
675
676 check_foo_config(){
677 cfg=$1
678 pkg=$2
679 header=$3
680 func=$4
681 shift 4
682 disable $cfg
683 check_cmd ${pkg}-config --version
684 err=$?
685 if test "$err" = 0; then
686 temp_cflags `${pkg}-config --cflags`
687 temp_extralibs `${pkg}-config --libs`
688 check_lib "$@" $header $func && enable $cfg
689 fi
690 return $err
691 }
692
693 apply(){
694 file=$1
695 shift
696 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
697 }
698
699 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
700 # system-dependent things.
701
702 COMPONENT_LIST="
703 bsfs
704 decoders
705 demuxers
706 encoders
707 filters
708 indevs
709 muxers
710 outdevs
711 parsers
712 protocols
713 "
714
715 CONFIG_LIST="
716 $COMPONENT_LIST
717 avfilter
718 avfilter_lavf
719 avisynth
720 beos_netserver
721 bzlib
722 ffmpeg
723 ffplay
724 ffserver
725 fft
726 gpl
727 gprof
728 gray
729 hardcoded_tables
730 ipv6
731 libamr_nb
732 libamr_wb
733 libdc1394
734 libdirac
735 libfaac
736 libfaad
737 libfaadbin
738 libgsm
739 libmp3lame
740 libnut
741 libschroedinger
742 libspeex
743 libtheora
744 libvorbis
745 libx264
746 libxvid
747 memalign_hack
748 mlib
749 mpegaudio_hp
750 network
751 nonfree
752 postproc
753 powerpc_perf
754 small
755 swscale
756 vhook
757 x11grab
758 zlib
759 "
760
761 THREADS_LIST='
762 beosthreads
763 os2threads
764 pthreads
765 w32threads
766 '
767
768 ARCH_LIST='
769 alpha
770 armv4l
771 bfin
772 ia64
773 m68k
774 mips
775 parisc
776 powerpc
777 s390
778 sh4
779 sparc
780 sparc64
781 x86
782 x86_32
783 x86_64
784 '
785
786 ARCH_EXT_LIST='
787 altivec
788 armv5te
789 armv6
790 armvfp
791 iwmmxt
792 mmi
793 mmx
794 mmx2
795 neon
796 ssse3
797 vis
798 '
799
800 HAVE_LIST="
801 $ARCH_EXT_LIST
802 $THREADS_LIST
803 altivec_h
804 arpa_inet_h
805 bswap
806 closesocket
807 cmov
808 conio_h
809 dcbzl
810 dev_bktr_ioctl_bt848_h
811 dev_bktr_ioctl_meteor_h
812 dev_ic_bt8xx_h
813 dev_video_meteor_ioctl_meteor_h
814 dev_video_bktr_ioctl_bt848_h
815 dlfcn_h
816 dlopen
817 dos_paths
818 ebp_available
819 ebx_available
820 fast_64bit
821 fast_cmov
822 fast_unaligned
823 fork
824 freetype2
825 gethrtime
826 GetProcessTimes
827 getrusage
828 imlib2
829 inet_aton
830 inline_asm
831 libdc1394_1
832 libdc1394_2
833 llrint
834 lrint
835 lrintf
836 machine_ioctl_bt848_h
837 machine_ioctl_meteor_h
838 malloc_h
839 memalign
840 mkstemp
841 pld
842 ppc64
843 round
844 roundf
845 sdl
846 sdl_video_size
847 socklen_t
848 soundcard_h
849 poll_h
850 sys_mman_h
851 sys_resource_h
852 sys_select_h
853 sys_soundcard_h
854 sys_videoio_h
855 termios_h
856 threads
857 winsock2_h
858 yasm
859 "
860
861 # options emitted with CONFIG_ prefix but not available on command line
862 CONFIG_EXTRA="
863 fft_mmx
864 "
865
866 CMDLINE_SELECT="
867 $ARCH_EXT_LIST
868 $CONFIG_LIST
869 $THREADS_LIST
870 cross_compile
871 debug
872 extra_warnings
873 logging
874 optimizations
875 shared
876 static
877 stripping
878 "
879
880 PATHS_LIST='
881 bindir
882 incdir
883 libdir
884 mandir
885 prefix
886 shlibdir
887 '
888
889 CMDLINE_SET="
890 $PATHS_LIST
891 arch
892 build_suffix
893 cc
894 cpu
895 cross_prefix
896 extra_version
897 logfile
898 source_path
899 target_os
900 "
901
902 # code dependency declarations
903
904 # architecture extensions
905 altivec_deps="powerpc"
906 armv5te_deps="armv4l"
907 armv6_deps="armv4l"
908 armvfp_deps="armv4l"
909 iwmmxt_deps="armv4l"
910 mmi_deps="mips"
911 mmx_deps="x86"
912 mmx2_deps="x86 mmx"
913 neon_deps="armv4l"
914 ssse3_deps="x86"
915 vis_deps="sparc"
916
917 # common features
918 fft_suggest="fft_mmx"
919 fft_mmx_deps="mmx yasm"
920
921 # decoders / encoders
922 aac_decoder_select="fft"
923 ac3_decoder_deps="gpl"
924 ac3_decoder_select="fft"
925 ac3_encoder_select="fft"
926 atrac3_decoder_select="fft"
927 cook_decoder_select="fft"
928 dca_decoder_select="fft"
929 dxa_decoder_deps="zlib"
930 eac3_decoder_deps="gpl"
931 eac3_decoder_select="fft"
932 flashsv_decoder_deps="zlib"
933 flashsv_encoder_deps="zlib"
934 imc_decoder_select="fft"
935 mlp_decoder_deps="mlp_parser"
936 mpeg_xvmc_decoder_deps="xvmc"
937 nellymoser_decoder_select="fft"
938 nellymoser_encoder_select="fft"
939 png_decoder_deps="zlib"
940 png_encoder_deps="zlib"
941 qdm2_decoder_select="fft"
942 vorbis_decoder_select="fft"
943 vorbis_encoder_select="fft"
944 wmav1_decoder_select="fft"
945 wmav1_encoder_select="fft"
946 wmav2_decoder_select="fft"
947 wmav2_encoder_select="fft"
948 zmbv_decoder_deps="zlib"
949 zmbv_encoder_deps="zlib"
950
951 # external libraries
952 libamr_nb_decoder_deps="libamr_nb"
953 libamr_nb_encoder_deps="libamr_nb"
954 libamr_wb_decoder_deps="libamr_wb"
955 libamr_wb_encoder_deps="libamr_wb"
956 libdirac_decoder_deps="libdirac !libschroedinger"
957 libdirac_encoder_deps="libdirac"
958 libfaac_encoder_deps="libfaac"
959 libfaad_decoder_deps="libfaad"
960 libfaadbin_decoder_extralibs='$ldl'
961 libgsm_decoder_deps="libgsm"
962 libgsm_encoder_deps="libgsm"
963 libgsm_ms_decoder_deps="libgsm"
964 libgsm_ms_encoder_deps="libgsm"
965 libmp3lame_encoder_deps="libmp3lame"
966 libschroedinger_decoder_deps="libschroedinger"
967 libschroedinger_encoder_deps="libschroedinger"
968 libspeex_decoder_deps="libspeex"
969 libtheora_encoder_deps="libtheora"
970 libvorbis_encoder_deps="libvorbis"
971 libx264_encoder_deps="libx264"
972 libxvid_encoder_deps="libxvid"
973 mpeg4aac_decoder_deps="libfaad"
974
975 # demuxers / muxers
976 ac3_demuxer_deps="ac3_parser"
977 audio_beos_demuxer_deps="audio_beos"
978 audio_beos_demuxer_extralibs="-lmedia -lbe"
979 audio_beos_muxer_deps="audio_beos"
980 audio_beos_muxer_extralibs="-lmedia -lbe"
981 avisynth_demuxer_deps="avisynth"
982 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
983 dirac_demuxer_deps="dirac_parser"
984 dv1394_demuxer_deps="dv1394 dv_demuxer"
985 libdc1394_demuxer_deps="libdc1394"
986 libnut_demuxer_deps="libnut"
987 libnut_muxer_deps="libnut"
988 mp3_demuxer_deps="mpegaudio_parser"
989 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
990 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
991 redir_demuxer_deps="network"
992 rtp_muxer_deps="network rtp_protocol"
993 rtsp_demuxer_deps="sdp_demuxer"
994 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
995 v4l_demuxer_deps="linux_videodev_h"
996 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
997 vfwcap_demuxer_deps="capCreateCaptureWindow"
998 vfwcap_demuxer_extralibs="-lvfw32"
999 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1000 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1001
1002 # protocols
1003 http_protocol_deps="network"
1004 rtp_protocol_deps="udp_protocol"
1005 tcp_protocol_deps="network"
1006 udp_protocol_deps="network"
1007
1008 # filters
1009 movie_filter_deps="avfilter_lavf"
1010
1011 # programs
1012 ffplay_deps="sdl"
1013 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1014 ffserver_extralibs='$ldl'
1015 vhook_extralibs='$ldl'
1016
1017
1018 # default parameters
1019
1020 logfile="config.err"
1021
1022 # installation paths
1023 prefix_default="/usr/local"
1024 bindir_default='${prefix}/bin'
1025 incdir_default='${prefix}/include'
1026 libdir_default='${prefix}/lib'
1027 mandir_default='${prefix}/share/man'
1028 shlibdir_default="$libdir_default"
1029
1030 # toolchain
1031 cc_default="gcc"
1032 yasmexe="yasm"
1033 ar="ar"
1034 nm="nm"
1035 ranlib="ranlib"
1036 strip="strip"
1037 asmalign_pot="unknown"
1038 ln_s="ln -sf"
1039 objformat="elf"
1040
1041 # machine
1042 arch=`uname -m`
1043 cpu="generic"
1044
1045 # OS
1046 target_os=$(tolower $(uname -s))
1047
1048 # libraries
1049 enable bzlib
1050 enable zlib
1051
1052 # configurable options
1053 enable debug
1054 enable ffmpeg
1055 enable ffplay
1056 enable ffserver
1057 enable ipv6
1058 enable mpegaudio_hp
1059 enable network
1060 enable optimizations
1061 enable protocols
1062 enable static
1063 enable stripping
1064 vhook="default"
1065
1066 # build settings
1067 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1068 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1069 VHOOKSHFLAGS='$(SHFLAGS)'
1070 FFSERVERLDFLAGS=-Wl,-E
1071 LIBPREF="lib"
1072 LIBSUF=".a"
1073 FULLNAME='$(NAME)$(BUILDSUF)'
1074 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1075 SLIBPREF="lib"
1076 SLIBSUF=".so"
1077 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1078 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1079 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1080 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1081
1082 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1083 # full relative path for objects in subdirectories for non-recursive Make.
1084 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1085
1086 # find source path
1087 source_path="`dirname \"$0\"`"
1088 enable source_path_used
1089 if test -z "$source_path" -o "$source_path" = "." ; then
1090 source_path="`pwd`"
1091 disable source_path_used
1092 else
1093 source_path="`cd \"$source_path\"; pwd`"
1094 echo "$source_path" | grep -q '[[:blank:]]' &&
1095 die "Out of tree builds are impossible with whitespace in source path."
1096 fi
1097
1098 FFMPEG_CONFIGURATION="$@"
1099
1100 find_things(){
1101 thing=$1
1102 pattern=$2
1103 file=$source_path/$3
1104 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1105 }
1106
1107 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1108 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1109 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1110 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1111 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1112 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1113 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1114 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1115 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1116 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1117
1118 enable $ARCH_EXT_LIST \
1119 $DECODER_LIST \
1120 $ENCODER_LIST \
1121 $PARSER_LIST \
1122 $BSF_LIST \
1123 $DEMUXER_LIST \
1124 $MUXER_LIST \
1125 $FILTER_LIST \
1126 $PROTOCOL_LIST \
1127 $INDEV_LIST \
1128 $OUTDEV_LIST \
1129
1130 die_unknown(){
1131 echo "Unknown option \"$1\"."
1132 echo "See $0 --help for available options."
1133 exit 1
1134 }
1135
1136 show_list() {
1137 suffix=_$1
1138 shift
1139 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1140 exit 0
1141 }
1142
1143 for opt do
1144 optval="${opt#*=}"
1145 case "$opt" in
1146 --extra-cflags=*) add_cflags "$optval"
1147 ;;
1148 --extra-ldflags=*) add_ldflags "$optval"
1149 ;;
1150 --extra-libs=*) add_extralibs "$optval"
1151 ;;
1152 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1153 ;;
1154 --enable-debug=*) debuglevel="$optval"
1155 ;;
1156 --enable-*=*|--disable-*=*)
1157 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1158 case "$thing" in
1159 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1160 *) die_unknown "$opt" ;;
1161 esac
1162 ;;
1163 --enable-?*|--disable-?*)
1164 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1165 if is_in $option $COMPONENT_LIST; then
1166 eval $action \$$(toupper ${option%s})_LIST
1167 elif is_in $option $CMDLINE_SELECT; then
1168 $action $option
1169 else
1170 die_unknown $opt
1171 fi
1172 ;;
1173 --list-*)
1174 NAME="${opt#--list-}"
1175 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1176 NAME=${NAME%s}
1177 eval show_list $NAME \$$(toupper $NAME)_LIST
1178 ;;
1179 --help|-h) show_help
1180 ;;
1181 *)
1182 optname="${opt%%=*}"
1183 optname="${optname#--}"
1184 optname=$(echo "$optname" | sed 's/-/_/g')
1185 is_in $optname $CMDLINE_SET || die_unknown $opt
1186 eval $optname='$optval'
1187 ;;
1188 esac
1189 done
1190
1191 disabled logging && logfile=/dev/null
1192
1193 echo "# $0 $@" > $logfile
1194 set >> $logfile
1195
1196 cc_default="${cross_prefix}${cc_default}"
1197 yasmexe="${cross_prefix}${yasmexe}"
1198 ar="${cross_prefix}${ar}"
1199 nm="${cross_prefix}${nm}"
1200 ranlib="${cross_prefix}${ranlib}"
1201 strip="${cross_prefix}${strip}"
1202
1203 set_default cc
1204
1205 # set temporary file name
1206 if test ! -z "$TMPDIR" ; then
1207 TMPDIR1="${TMPDIR}"
1208 elif test ! -z "$TEMPDIR" ; then
1209 TMPDIR1="${TEMPDIR}"
1210 else
1211 TMPDIR1="/tmp"
1212 fi
1213
1214 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1215 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1216 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1217 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1218 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1219 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1220
1221 check_cflags -std=c99
1222
1223 case "$arch" in
1224 i386|i486|i586|i686|i86pc|BePC)
1225 arch="x86_32"
1226 enable fast_unaligned
1227 ;;
1228 x86_64|amd64)
1229 arch="x86_32"
1230 enable fast_unaligned
1231 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1232 int test[sizeof(char*) - 7];
1233 EOF
1234 ;;
1235 # armv4l is a subset of armv[567]*l
1236 arm|armv[4567]*l)
1237 arch="armv4l"
1238 ;;
1239 alpha)
1240 arch="alpha"
1241 enable fast_64bit
1242 ;;
1243 "Power Macintosh"|ppc|powerpc)
1244 arch="powerpc"
1245 enable fast_unaligned
1246 ;;
1247 ppc64)
1248 arch="powerpc"
1249 enable fast_64bit
1250 enable fast_unaligned
1251 ;;
1252 mips|mipsel|IP*)
1253 arch="mips"
1254 ;;
1255 sun4u|sparc64)
1256 arch="sparc64"
1257 enable fast_64bit
1258 ;;
1259 sparc)
1260 arch="sparc"
1261 ;;
1262 sh4)
1263 arch="sh4"
1264 ;;
1265 parisc)
1266 arch="parisc"
1267 ;;
1268 parisc64)
1269 arch="parisc"
1270 enable fast_64bit
1271 ;;
1272 s390|s390x)
1273 arch="s390"
1274 ;;
1275 m68k)
1276 arch="m68k"
1277 ;;
1278 ia64)
1279 arch="ia64"
1280 enable fast_64bit
1281 ;;
1282 bfin)
1283 arch="bfin"
1284 ;;
1285 *)
1286 arch="unknown"
1287 ;;
1288 esac
1289
1290 enable $arch
1291 enabled_any x86_32 x86_64 && enable x86
1292 enabled sparc64 && enable sparc
1293
1294 # OS specific
1295 case $target_os in
1296 beos|haiku|zeta)
1297 prefix_default="$HOME/config"
1298 # helps building libavcodec
1299 add_cflags "-DPIC -fomit-frame-pointer"
1300 # 3 gcc releases known for BeOS, each with ugly bugs
1301 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1302 case "$gcc_version" in
1303 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1304 disable mmx
1305 ;;
1306 *20010315*) echo "BeBits gcc"
1307 add_cflags "-fno-expensive-optimizations"
1308 ;;
1309 esac
1310 SHFLAGS=-nostart
1311 # enable BeOS things
1312 enable audio_beos
1313 # no need for libm, but the inet stuff
1314 # Check for BONE
1315 # XXX: actually should check for NOT net_server
1316 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1317 network_extralibs="-lbind -lsocket"
1318 else
1319 enable beos_netserver
1320 network_extralibs="-lnet"
1321 fi ;;
1322 sunos)
1323 FFSERVERLDFLAGS=""
1324 SHFLAGS='-shared -Wl,-h,$$(@F)'
1325 network_extralibs="-lsocket -lnsl"
1326 ;;
1327 netbsd)
1328 oss_demuxer_extralibs="-lossaudio"
1329 oss_muxer_extralibs="-lossaudio"
1330 ;;
1331 openbsd)
1332 disable need_memalign
1333 LIBOBJFLAGS='$(PIC)'
1334 SHFLAGS='-shared'
1335 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1336 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1337 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1338 oss_demuxer_extralibs="-lossaudio"
1339 oss_muxer_extralibs="-lossaudio"
1340 ;;
1341 freebsd)
1342 disable need_memalign
1343 ;;
1344 bsd/os)
1345 osextralibs="-lpoll -lgnugetopt"
1346 strip="strip -d"
1347 ;;
1348 darwin)
1349 disable need_memalign
1350 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1351 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1352 strip="strip -x"
1353 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1354 SLIBSUF=".dylib"
1355 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1356 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1357 FFSERVERLDFLAGS=-Wl,-bind_at_load
1358 objformat="macho"
1359 enabled x86_64 && objformat="macho64"
1360 ;;
1361 mingw32*)
1362 target_os=mingw32
1363 LIBTARGET=i386
1364 if test $arch = x86_64; then
1365 disable need_memalign
1366 LIBTARGET=x64
1367 fi
1368 shlibdir_default="$bindir_default"
1369 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1370 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1371 if enabled swscale; then
1372 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1373 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1374 fi
1375 disable ffserver
1376 SLIBPREF=""
1377 SLIBSUF=".dll"
1378 EXESUF=".exe"
1379 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1380 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1381 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1382 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1383 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1384 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1385 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1386 objformat="win32"
1387 enable dos_paths
1388 ;;
1389 cygwin*)
1390 target_os=cygwin
1391 shlibdir_default="$bindir_default"
1392 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1393 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1394 if enabled swscale; then
1395 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1396 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1397 fi
1398 EXESUF=".exe"
1399 SLIBPREF="cyg"
1400 SLIBSUF=".dll"
1401 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1402 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1403 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1404 objformat="win32"
1405 enable dos_paths
1406 ;;
1407 *-dos|freedos|opendos)
1408 disable ffplay ffserver vhook
1409 disable $INDEV_LIST $OUTDEV_LIST
1410 network_extralibs="-lsocket"
1411 EXESUF=".exe"
1412 objformat="win32"
1413 enable dos_paths
1414 ;;
1415 linux)
1416 enable dv1394
1417 ;;
1418 irix*)
1419 target_os=irix
1420 ranlib="echo ignoring ranlib"
1421 ;;
1422 os/2*)
1423 strip="lxlite"
1424 ln_s="cp -f"
1425 EXESUF=".exe"
1426 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1427 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1428 FFSERVERLDFLAGS=""
1429 LIBSUF="_s.a"
1430 SLIBPREF=""
1431 SLIBSUF=".dll"
1432 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1433 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1434 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1435 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1436 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1437 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1438 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1439 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1440 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1441 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1442 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1443 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1444 disable vhook
1445 enable dos_paths
1446 ;;
1447 interix)
1448 disable vhook
1449 ;;
1450
1451 *)
1452 target_os="${target_os}-UNKNOWN"
1453 ;;
1454 esac
1455
1456 set_default $PATHS_LIST
1457
1458 add_extralibs $osextralibs
1459
1460 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1461 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1462
1463 test -n "$cross_prefix" && enable cross_compile
1464
1465 # we need to build at least one lib type
1466 if ! enabled_any static shared; then
1467 cat <<EOF
1468 At least one library type must be built.
1469 Specify --enable-static to build the static libraries or --enable-shared to
1470 build the shared libraries as well. To only build the shared libraries specify
1471 --disable-static in addition to --enable-shared.
1472 EOF
1473 exit 1;
1474 fi
1475
1476 disabled static && LIBNAME=""
1477
1478 if enabled_any libfaad libfaadbin ; then
1479 if check_header faad.h; then
1480 check_cc <<EOF
1481 #include <faad.h>
1482 #ifndef FAAD2_VERSION
1483 ok faad1
1484 #endif
1485 int main(void) { return 0; }
1486 EOF
1487 test $? = 0 && enable libfaad2
1488 else
1489 die "FAAD test failed."
1490 fi
1491 fi
1492
1493
1494 if ! enabled gpl; then
1495 die_gpl_disabled(){
1496 name=$1
1497 shift
1498 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1499 }
1500 die_gpl_disabled "The Postprocessing code" postproc
1501 die_gpl_disabled "libx264" libx264
1502 die_gpl_disabled "libxvidcore" libxvid
1503 die_gpl_disabled "FAAD2" libfaad2
1504 die_gpl_disabled "The X11 grabber" x11grab
1505 die_gpl_disabled "The software scaler" swscale
1506 fi
1507
1508 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1509 die "libamr is nonfree and --enable-nonfree is not specified."
1510 fi
1511
1512 check_deps $ARCH_EXT_LIST
1513
1514 test -z "$need_memalign" && need_memalign="$mmx"
1515
1516 #Darwin CC versions
1517 if test $target_os = darwin; then
1518 if $cc -v 2>&1 | grep -q xlc; then
1519 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1520 else
1521 add_cflags "-pipe"
1522 check_cflags "-force_cpusubtype_ALL"
1523 check_cflags "-Wno-sign-compare"
1524 enabled shared || check_cflags -mdynamic-no-pic
1525 fi
1526 fi
1527
1528 disabled optimizations || check_cflags -fomit-frame-pointer
1529
1530 # Add processor-specific flags
1531 if test $cpu != "generic"; then
1532 warn_altivec(){
1533 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1534 }
1535 case $cpu in
1536 601|ppc601|PowerPC601)
1537 add_cflags "-mcpu=601"
1538 warn_altivec enabled PPC601
1539 ;;
1540 603*|ppc603*|PowerPC603*)
1541 add_cflags "-mcpu=603"
1542 warn_altivec enabled PPC603
1543 ;;
1544 604*|ppc604*|PowerPC604*)
1545 add_cflags "-mcpu=604"
1546 warn_altivec enabled PPC604
1547 ;;
1548 G3|g3|75*|ppc75*|PowerPC75*)
1549 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1550 warn_altivec enabled PPC75x
1551 ;;
1552 G4|g4|745*|ppc745*|PowerPC745*)
1553 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1554 warn_altivec disabled PPC745x
1555 ;;
1556 74*|ppc74*|PowerPC74*)
1557 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1558 warn_altivec disabled PPC74xx
1559 ;;
1560 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1561 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1562 warn_altivec disabled PPC970
1563 enable ppc64
1564 ;;
1565 Cell|CELL|cell)
1566 add_cflags "-mcpu=cell"
1567 warn_altivec disabled Cell
1568 enable ppc64
1569 ;;
1570 # targets that do NOT support conditional mov (cmov)
1571 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1572 add_cflags "-march=$cpu"
1573 disable cmov
1574 ;;
1575 # targets that do support conditional mov (cmov)
1576 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1577 add_cflags "-march=$cpu"
1578 enable cmov
1579 enable fast_cmov
1580 ;;
1581 # targets that do support conditional mov but on which it's slow
1582 pentium4|pentium4m|prescott|nocona)
1583 add_cflags "-march=$cpu"
1584 enable cmov
1585 disable fast_cmov
1586 ;;
1587 sparc64)
1588 add_cflags "-mcpu=v9"
1589 ;;
1590 arm11*|cortex*)
1591 add_cflags "-mcpu=$cpu"
1592 enable fast_unaligned
1593 ;;
1594 armv*)
1595 add_cflags "-march=$cpu"
1596 ;;
1597 arm*)
1598 add_cflags "-mcpu=$cpu"
1599 ;;
1600 *)
1601 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1602 ;;
1603 esac
1604 fi
1605
1606 # make sure we can execute files in $TMPDIR
1607 cat > $TMPSH 2>> $logfile <<EOF
1608 #! /bin/sh
1609 EOF
1610 chmod +x $TMPSH >> $logfile 2>&1
1611 if ! $TMPSH >> $logfile 2>&1; then
1612 cat <<EOF
1613 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1614 variable to another directory and make sure that $TMPDIR1 is not mounted
1615 noexec.
1616 EOF
1617 die "Sanity test failed."
1618 fi
1619 rm $TMPSH
1620
1621 # compiler sanity check
1622 check_exec <<EOF
1623 int main(void){ return 0; }
1624 EOF
1625 if test "$?" != 0; then
1626 echo "$cc is unable to create an executable file."
1627 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1628 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1629 echo "Only do this if you know what cross compiling means."
1630 fi
1631 die "C compiler test failed."
1632 fi
1633
1634 check_cc <<EOF || die "Symbol mangling check failed."
1635 int ff_extern;
1636 EOF
1637 sym=$($nm -P -g $TMPO | grep ff_extern)
1638 extern_prefix=${sym%%ff_extern*}
1639
1640 check_asm inline_asm '""'
1641
1642 if enabled x86; then
1643 # check whether EBP is available on x86
1644 # As 'i' is stored on the stack, this program will crash
1645 # if the base pointer is used to access it because the
1646 # base pointer is cleared in the inline assembly code.
1647 check_exec_crash <<EOF && enable ebp_available
1648 volatile int i=0;
1649 __asm__ volatile (
1650 "xorl %%ebp, %%ebp"
1651 ::: "%ebp");
1652 return i;
1653 EOF
1654
1655 # check wether EBX is available on x86
1656 check_asm ebx_available '"":::"%ebx"'
1657
1658 # check whether binutils is new enough to compile SSSE3/MMX2
1659 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1660 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1661
1662 check_asm bswap '"bswap %%eax" ::: "%eax"'
1663
1664 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1665 enabled x86_64 && append YASMFLAGS "-m amd64"
1666 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1667 case "$objformat" in
1668 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1669 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1670 *) append YASMFLAGS "-DPREFIX" ;;
1671 esac
1672 check_yasm "pabsw xmm0, xmm0" && enable yasm
1673 fi
1674
1675 # check for assembler specific support
1676
1677 if test $arch = "powerpc"; then
1678 check_asm dcbzl '"dcbzl 0, 1"'
1679 fi
1680
1681 # check for SIMD availability
1682
1683 # AltiVec flags: The FSF version of GCC differs from the Apple version
1684 if enabled altivec; then
1685 check_cflags -maltivec -mabi=altivec &&
1686 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1687 check_cflags -faltivec
1688
1689 # check if our compiler supports Motorola AltiVec C API
1690 check_cc <<EOF || disable altivec
1691 $inc_altivec_h
1692 int main(void) {
1693 vector signed int v1, v2, v3;
1694 v1 = vec_add(v2,v3);
1695 return 0;
1696 }
1697 EOF
1698
1699 # check if our compiler supports braces for vector declarations
1700 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1701 $inc_altivec_h
1702 int main (void) { (vector int) {1}; return 0; }
1703 EOF
1704 fi
1705
1706 # We have to check if pld is a nop and disable it.
1707 enabled armv4l && check_asm pld '"pld [r0]"'
1708 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1709 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1710 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1711 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1712 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1713 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1714 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1715
1716 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1717
1718 # ---
1719 # big/little-endian test
1720 check_cc <<EOF || die "endian test failed"
1721 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1722 EOF
1723 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1724
1725 # ---
1726 # check availability of some header files
1727
1728 if check_func dlopen; then
1729 ldl=
1730 elif check_func dlopen -ldl; then
1731 ldl=-ldl
1732 fi
1733
1734 check_func fork
1735 check_func gethrtime
1736 check_func getrusage
1737 check_func inet_aton $network_extralibs
1738 check_func memalign
1739 check_func mkstemp
1740 check_func_headers windows.h GetProcessTimes
1741
1742 check_header conio.h
1743 check_header dlfcn.h
1744 check_header malloc.h
1745 check_header poll.h
1746 check_header sys/mman.h
1747 check_header sys/resource.h
1748 check_header sys/select.h
1749 check_header termios.h
1750
1751 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1752 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1753 fi
1754
1755 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1756 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1757
1758 # check for some common methods of building with pthread support
1759 # do this before the optional library checks as some of them require pthreads
1760 if enabled pthreads; then
1761 if check_func pthread_create; then
1762 :
1763 elif check_func pthread_create -pthread; then
1764 add_cflags -pthread
1765 add_extralibs -pthread
1766 elif check_func pthread_create -pthreads; then
1767 add_cflags -pthreads
1768 add_extralibs -pthreads
1769 elif check_func pthread_create -lpthreadGC2; then
1770 add_extralibs -lpthreadGC2
1771 elif ! check_lib pthread.h pthread_create -lpthread; then
1772 die "ERROR: can't find pthreads library"
1773 fi
1774 fi
1775
1776 for thread in $THREADS_LIST; do
1777 if enabled $thread; then
1778 test -n "$thread_type" &&
1779 die "ERROR: Only one thread type must be selected." ||
1780 thread_type="$thread"
1781 fi
1782 done
1783
1784 check_lib math.h sin -lm
1785
1786 # test for C99 functions in math.h
1787 for func in llrint lrint lrintf round roundf; do
1788 check_exec <<EOF && enable $func || disable $func
1789 #include <math.h>
1790 int main(void) { return ($func(3.999f) > 0)?0:1; }
1791 EOF
1792 done
1793
1794 # these are off by default, so fail if requested and not available
1795 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1796 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1797 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1798 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1799 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1800 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1801 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1802 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1803 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1804 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1805 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1806 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1807 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1808 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1809 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1810 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1811 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
1812 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1813 die "ERROR: libx264 version must be >= 0.65."; }
1814 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1815 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1816
1817 # libdc1394 check
1818 if enabled libdc1394; then
1819 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1820 enable libdc1394_2; } ||
1821 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1822 enable libdc1394_1; } ||
1823 die "ERROR: No version of libdc1394 found "
1824 fi
1825
1826
1827 _restrict=
1828 for restrict_keyword in restrict __restrict__ __restrict; do
1829 check_cc <<EOF && _restrict=$restrict_keyword && break
1830 void foo(char * $restrict_keyword p);
1831 EOF
1832 done
1833
1834 test "$vhook" = "default" && vhook="$dlopen"
1835
1836 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1837 disable vhook
1838 echo
1839 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1840 echo "Patches welcome."
1841 echo
1842 fi
1843
1844 if enabled vhook; then
1845 check_ldflags -rdynamic
1846 check_ldflags -export-dynamic
1847 fi
1848
1849 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1850 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1851
1852 ##########################################
1853 # SDL check
1854
1855 disable sdl_too_old
1856 disable sdl
1857 SDL_CONFIG="${cross_prefix}sdl-config"
1858 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1859 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1860 temp_cflags $sdl_cflags
1861 temp_extralibs `"${SDL_CONFIG}" --libs`
1862 if check_lib2 SDL.h SDL_Init; then
1863 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1864 if test "$_sdlversion" -lt 121 ; then
1865 enable sdl_too_old
1866 else
1867 enable sdl
1868 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1869 #include <SDL.h>
1870 int main(int argc, char **argv){
1871 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1872 int w = vi->current_w;
1873 return 0;
1874 }
1875 EOF
1876 fi
1877 fi
1878 restore_flags
1879 fi
1880
1881 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1882
1883 ##########################################
1884 # Network check
1885
1886 if enabled network; then
1887 check_type sys/socket.h socklen_t
1888 # Prefer arpa/inet.h over winsock2
1889 if check_header arpa/inet.h ; then
1890 check_func closesocket
1891 elif check_header winsock2.h ; then
1892 network_extralibs="-lws2_32"
1893 check_type ws2tcpip.h socklen_t
1894 check_func_headers winsock2.h closesocket
1895 fi
1896 fi
1897
1898 ##########################################
1899 # IPv6 check
1900
1901 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1902 #include <sys/types.h>
1903 #include <sys/socket.h>
1904 #include <netinet/in.h>
1905 #include <netdb.h>
1906 int main(void) {
1907 struct sockaddr_storage saddr;
1908 struct ipv6_mreq mreq6;
1909 getaddrinfo(0,0,0,0);
1910 getnameinfo(0,0,0,0,0,0,0);
1911 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1912 }
1913 EOF
1914
1915 check_header linux/videodev.h
1916 check_header linux/videodev2.h
1917 check_header sys/videoio.h
1918
1919 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1920
1921 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1922 { check_header dev/bktr/ioctl_meteor.h &&
1923 check_header dev/bktr/ioctl_bt848.h; } ||
1924 { check_header machine/ioctl_meteor.h &&
1925 check_header machine/ioctl_bt848.h; } ||
1926 { check_header dev/video/meteor/ioctl_meteor.h &&
1927 check_header dev/video/bktr/ioctl_bt848.h; } ||
1928 check_header dev/ic/bt8xx.h
1929
1930 check_header sys/soundcard.h
1931 check_header soundcard.h
1932
1933 # deal with the X11 frame grabber
1934 enabled x11grab &&
1935 check_header X11/Xlib.h &&
1936 check_header X11/extensions/XShm.h &&
1937 check_func XOpenDisplay -lX11 &&
1938 check_func XShmCreateImage -lX11 -lXext
1939
1940 enabled debug && add_cflags -g"$debuglevel"
1941
1942 # add some useful compiler flags if supported
1943 check_cflags -Wdeclaration-after-statement
1944 check_cflags -Wall
1945 check_cflags -Wno-switch
1946 check_cflags -Wdisabled-optimization
1947 check_cflags -Wpointer-arith
1948 check_cflags -Wredundant-decls
1949 check_cflags -Wno-pointer-sign
1950 check_cflags -Wcast-qual
1951 check_cflags -Wwrite-strings
1952 check_cflags -Wtype-limits
1953 enabled extra_warnings && check_cflags -Winline
1954
1955 # add some linker flags
1956 check_ldflags -Wl,--warn-common
1957 check_ldflags -Wl,--as-needed
1958 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'
1959 check_ldflags -Wl,-Bsymbolic
1960
1961 if enabled small; then
1962 check_cflags -Os # not all compilers support -Os
1963 optimizations="small"
1964 elif enabled optimizations; then
1965 if $cc -v 2>&1 | grep -q xlc; then
1966 add_cflags "-O5"
1967 add_ldflags "-O5"
1968 else
1969 add_cflags "-O3"
1970 fi
1971 fi
1972 check_cflags -fno-math-errno
1973 check_cflags -fno-signed-zeros
1974
1975 # add some flags for Intel C Compiler
1976 if $cc --version 2> /dev/null | grep -q Intel; then
1977 # Just warnings, no remarks
1978 check_cflags -w1
1979 # -wd: Disable following warnings
1980 # 144, 167, 556: -Wno-pointer-sign
1981 # 10006: ignoring unknown option -fno-signed-zeros
1982 # 10156: ignoring option '-W'; no argument required
1983 check_cflags -wd144,167,556,10006,10156
1984 # 11030: Warning unknown option --as-needed
1985 # 10156: ignoring option '-export'; no argument required
1986 check_ldflags -wd10156,11030
1987 # Allow to compile with optimizations
1988 check_ldflags -march=$cpu
1989 fi
1990
1991 # PIC flags for shared library objects where they are needed
1992 if enabled shared; then
1993 # LIBOBJFLAGS may have already been set in the OS configuration
1994 if test -z "$LIBOBJFLAGS" ; then
1995 case "$arch" in
1996 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1997 esac
1998 fi
1999 fi
2000
2001 if enabled gprof; then
2002 add_cflags "-p"
2003 add_ldflags "-p"
2004 fi
2005
2006 VHOOKCFLAGS="-fPIC"
2007
2008 # Find out if the .align argument is a power of two or not.
2009 if test $asmalign_pot = "unknown"; then
2010 disable asmalign_pot
2011 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2012 fi
2013
2014 enabled_any $DECODER_LIST && enable decoders
2015 enabled_any $ENCODER_LIST && enable encoders
2016 enabled_any $BSF_LIST && enable bsfs
2017 enabled_any $DEMUXER_LIST && enable demuxers
2018 enabled_any $MUXER_LIST && enable muxers
2019 enabled_any $FILTER_LIST && enable filters
2020 enabled_any $INDEV_LIST && enable demuxers
2021 enabled_any $OUTDEV_LIST && enable muxers
2022 enabled_any $PROTOCOL_LIST && enable protocols
2023
2024 enabled_any $THREADS_LIST && enable threads
2025
2026 check_deps $CONFIG_LIST \
2027 $CONFIG_EXTRA \
2028 $HAVE_LIST \
2029 $DECODER_LIST \
2030 $ENCODER_LIST \
2031 $PARSER_LIST \
2032 $BSF_LIST \
2033 $DEMUXER_LIST \
2034 $MUXER_LIST \
2035 $FILTER_LIST \
2036 $INDEV_LIST \
2037 $OUTDEV_LIST \
2038 $PROTOCOL_LIST \
2039
2040 enabled libdc1394 && append pkg_requires "libraw1394"
2041 enabled libdirac && append pkg_requires "dirac"
2042 enabled libtheora && append pkg_requires "theora"
2043 enabled libvorbis && append pkg_requires "vorbisenc"
2044
2045 echo "install prefix $prefix"
2046 echo "source path $source_path"
2047 echo "C compiler $cc"
2048 echo ".align is power-of-two $asmalign_pot"
2049 echo "ARCH $arch ($cpu)"
2050 if test "$build_suffix" != ""; then
2051 echo "build suffix $build_suffix"
2052 fi
2053 if test "$extra_version" != ""; then
2054 echo "version string suffix $extra_version"
2055 fi
2056 echo "big-endian ${bigendian-no}"
2057 if test $arch = "x86_32" -o $arch = "x86_64"; then
2058 echo "yasm ${yasm-no}"
2059 echo "MMX enabled ${mmx-no}"
2060 echo "CMOV enabled ${cmov-no}"
2061 echo "CMOV is fast ${fast_cmov-no}"
2062 echo "EBX available ${ebx_available-no}"
2063 echo "EBP available ${ebp_available-no}"
2064 fi
2065 if test $arch = "armv4l"; then
2066 echo "ARMv5TE enabled ${armv5te-no}"
2067 echo "ARMv6 enabled ${armv6-no}"
2068 echo "ARM VFP enabled ${armvfp-no}"
2069 echo "IWMMXT enabled ${iwmmxt-no}"
2070 echo "NEON enabled ${neon-no}"
2071 fi
2072 if test $arch = "mips"; then
2073 echo "MMI enabled ${mmi-no}"
2074 fi
2075 if test $arch = "powerpc"; then
2076 echo "AltiVec enabled ${altivec-no}"
2077 echo "dcbzl available ${dcbzl-no}"
2078 fi
2079 echo "gprof enabled ${gprof-no}"
2080 echo "debug symbols ${debug-no}"
2081 echo "strip symbols ${stripping-no}"
2082 echo "optimizations ${optimizations-no}"
2083 echo "static ${static-no}"
2084 echo "shared ${shared-no}"
2085 echo "postprocessing support ${postproc-no}"
2086 echo "software scaler enabled ${swscale-no}"
2087 echo "new filter support ${avfilter-no}"
2088 echo "filters using lavformat ${avfilter_lavf-no}"
2089 echo "video hooking ${vhook-no}"
2090 if enabled vhook; then
2091 echo "Imlib2 support ${imlib2-no}"
2092 echo "FreeType support ${freetype2-no}"
2093 fi
2094 echo "network support ${network-no}"
2095 if enabled network; then
2096 echo "IPv6 support ${ipv6-no}"
2097 fi
2098 echo "threading support ${thread_type-no}"
2099 echo "SDL support ${sdl-no}"
2100 if enabled sdl_too_old; then
2101 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2102 fi
2103 echo "Sun medialib support ${mlib-no}"
2104 echo "AVISynth enabled ${avisynth-no}"
2105 echo "libamr-nb support ${libamr_nb-no}"
2106 echo "libamr-wb support ${libamr_wb-no}"
2107 echo "libdc1394 support ${libdc1394-no}"
2108 echo "libdirac enabled ${libdirac-no}"
2109 echo "libfaac enabled ${libfaac-no}"
2110 echo "libfaad enabled ${libfaad-no}"
2111 echo "libfaad dlopened ${libfaadbin-no}"
2112 echo "libgsm enabled ${libgsm-no}"
2113 echo "libmp3lame enabled ${libmp3lame-no}"
2114 echo "libnut enabled ${libnut-no}"
2115 echo "libschroedinger enabled ${libschroedinger-no}"
2116 echo "libspeex enabled ${libspeex-no}"
2117 echo "libtheora enabled ${libtheora-no}"
2118 echo "libvorbis enabled ${libvorbis-no}"
2119 echo "libx264 enabled ${libx264-no}"
2120 echo "libxvid enabled ${libxvid-no}"
2121 echo "zlib enabled ${zlib-no}"
2122 echo "bzlib enabled ${bzlib-no}"
2123 echo
2124
2125 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2126 echo "Enabled ${type}s:"
2127 eval list=\$$(toupper $type)_LIST
2128 for part in $list; do
2129 enabled $part && echo ${part%_*}
2130 done | sort | pr -3 -t
2131 echo
2132 done
2133
2134 license="LGPL"
2135 if enabled nonfree; then
2136 license="unredistributable"
2137 elif enabled gpl; then
2138 license="GPL"
2139 fi
2140
2141 echo "License: $license"
2142
2143 echo "Creating config.mak and config.h..."
2144
2145 echo "# Automatically generated by configure - do not modify!" > config.mak
2146 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2147 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2148 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2149 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2150
2151 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2152 echo "prefix=$prefix" >> config.mak
2153 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2154 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2155 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2156 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2157 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2158 echo "CC=$cc" >> config.mak
2159 echo "YASM=$yasmexe" >> config.mak
2160 echo "AR=$ar" >> config.mak
2161 echo "RANLIB=$ranlib" >> config.mak
2162 echo "LN_S=$ln_s" >> config.mak
2163 enabled stripping &&
2164 echo "STRIP=$strip" >> config.mak ||
2165 echo "STRIP=echo ignoring strip" >> config.mak
2166
2167 echo "OPTFLAGS=$CFLAGS" >> config.mak
2168 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2169 echo "LDFLAGS=$LDFLAGS" >> config.mak
2170 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2171 echo "SHFLAGS=$SHFLAGS" >> config.mak
2172 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2173 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2174 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2175 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2176 echo "BUILD_STATIC=$static" >> config.mak
2177 echo "BUILDSUF=$build_suffix" >> config.mak
2178 echo "FULLNAME=$FULLNAME" >> config.mak
2179 echo "LIBPREF=$LIBPREF" >> config.mak
2180 echo "LIBSUF=$LIBSUF" >> config.mak
2181 echo "LIBNAME=$LIBNAME" >> config.mak
2182 echo "SLIBPREF=$SLIBPREF" >> config.mak
2183 echo "SLIBSUF=$SLIBSUF" >> config.mak
2184 echo "EXESUF=$EXESUF" >> config.mak
2185 echo "EXTRA_VERSION=$extra_version" >> config.mak
2186 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2187
2188 if enabled bigendian; then
2189 echo "WORDS_BIGENDIAN=yes" >> config.mak
2190 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2191 fi
2192
2193 if enabled sdl; then
2194 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2195 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2196 fi
2197 if enabled texi2html; then
2198 echo "BUILD_DOC=yes" >> config.mak
2199 fi
2200
2201 get_version(){
2202 name=$1
2203 file=$source_path/$2
2204 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2205 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2206 lcname=$(tolower $name)
2207 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2208 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2209 }
2210
2211 get_version LIBSWSCALE libswscale/swscale.h
2212 get_version LIBPOSTPROC libpostproc/postprocess.h
2213 get_version LIBAVCODEC libavcodec/avcodec.h
2214 get_version LIBAVDEVICE libavdevice/avdevice.h
2215 get_version LIBAVFORMAT libavformat/avformat.h
2216 get_version LIBAVUTIL libavutil/avutil.h
2217 get_version LIBAVFILTER libavfilter/avfilter.h
2218
2219 if enabled shared; then
2220 echo "BUILD_SHARED=yes" >> config.mak
2221 echo "PIC=-fPIC -DPIC" >> config.mak
2222 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2223 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2224 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2225 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2226 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2227 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2228 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2229 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2230 fi
2231 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2232 echo "EXTRALIBS=$extralibs" >> config.mak
2233
2234 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2235 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2236 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2237 $CONFIG_EXTRA \
2238 $DECODER_LIST \
2239 $ENCODER_LIST \
2240 $PARSER_LIST \
2241 $BSF_LIST \
2242 $DEMUXER_LIST \
2243 $MUXER_LIST \
2244 $FILTER_LIST \
2245 $PROTOCOL_LIST \
2246 $INDEV_LIST \
2247 $OUTDEV_LIST \
2248
2249 echo "#define restrict $_restrict" >> $TMPH
2250
2251 if enabled small; then
2252 echo "#define av_always_inline" >> $TMPH
2253 fi
2254
2255 echo "SRC_PATH=\"$source_path\"" >> config.mak
2256 echo "SRC_PATH_BARE=$source_path" >> config.mak
2257 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2258
2259 # Apparently it's not possible to portably echo a backslash.
2260 enabled asmalign_pot &&
2261 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2262 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2263
2264 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2265
2266 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2267
2268 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2269 cmp -s $TMPH config.h &&
2270 echo "config.h is unchanged" ||
2271 mv -f $TMPH config.h
2272
2273 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2274
2275 # build tree in object directory if source path is different from current one
2276 if enabled source_path_used; then
2277 DIRS="\
2278 doc \
2279 libavcodec \
2280 libavcodec/alpha \
2281 libavcodec/armv4l \
2282 libavcodec/bfin \
2283 libavcodec/i386 \
2284 libavcodec/mlib \
2285 libavcodec/ppc \
2286 libavcodec/sh4 \
2287 libavcodec/sparc \
2288 libavdevice \
2289 libavfilter \
2290 libavformat \
2291 libavutil \
2292 libpostproc \
2293 libswscale \
2294 tests \
2295 tools \
2296 vhook \
2297 "
2298 FILES="\
2299 Makefile \
2300 common.mak \
2301 subdir.mak \
2302 doc/texi2pod.pl \
2303 libavcodec/Makefile \
2304 libavdevice/Makefile \
2305 libavfilter/Makefile \
2306 libavformat/Makefile \
2307 libavutil/Makefile \
2308 libpostproc/Makefile \
2309 libswscale/Makefile \
2310 "
2311 for dir in $DIRS ; do
2312 mkdir -p $dir
2313 done
2314 for f in $FILES ; do
2315 $ln_s "$source_path/$f" $f
2316 done
2317 fi
2318
2319
2320 # build pkg-config files
2321
2322 pkgconfig_generate(){
2323 name=$1
2324 shortname=${name#lib}
2325 comment=$2
2326 version=$3
2327 libs=$4
2328 requires=$5
2329 cat <<EOF > $name/$name.pc
2330 prefix=$prefix
2331 exec_prefix=\${prefix}
2332 libdir=$libdir
2333 includedir=$incdir
2334
2335 Name: $name
2336 Description: $comment
2337 Version: $version
2338 Requires: $(disabled shared && echo $requires)
2339 Requires.private: $(enabled shared && echo $requires)
2340 Conflicts:
2341 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2342 Libs.private: $(enabled shared && echo $libs)
2343 Cflags: -I\${includedir}
2344 EOF
2345 cat <<EOF > $name/$name-uninstalled.pc
2346 prefix=
2347 exec_prefix=
2348 libdir=\${pcfiledir}
2349 includedir=${source_path}
2350
2351 Name: $name
2352 Description: $comment
2353 Version: $version
2354 Requires: $requires
2355 Conflicts:
2356 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2357 Cflags: -I\${includedir}
2358 EOF
2359 }
2360
2361 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2362 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2363 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2364 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2365 enabled avfilter &&
2366 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2367 enabled postproc &&
2368 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2369 if enabled swscale; then
2370 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2371 else
2372 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2373 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2374 fi