64dabf94d014e75255df9e3a89f33f5af148669e
[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 CMDLINE_SELECT="
862 $ARCH_EXT_LIST
863 $CONFIG_LIST
864 $THREADS_LIST
865 cross_compile
866 debug
867 extra_warnings
868 logging
869 optimizations
870 shared
871 static
872 stripping
873 "
874
875 PATHS_LIST='
876 bindir
877 incdir
878 libdir
879 mandir
880 prefix
881 shlibdir
882 '
883
884 CMDLINE_SET="
885 $PATHS_LIST
886 arch
887 build_suffix
888 cc
889 cpu
890 cross_prefix
891 extra_version
892 logfile
893 source_path
894 target_os
895 "
896
897 # code dependency declarations
898
899 # architecture extensions
900 altivec_deps="powerpc"
901 armv5te_deps="armv4l"
902 armv6_deps="armv4l"
903 armvfp_deps="armv4l"
904 iwmmxt_deps="armv4l"
905 mmi_deps="mips"
906 mmx_deps="x86"
907 mmx2_deps="x86 mmx"
908 neon_deps="armv4l"
909 ssse3_deps="x86"
910 vis_deps="sparc"
911
912 # decoders / encoders
913 aac_decoder_select="fft"
914 ac3_decoder_deps="gpl"
915 ac3_decoder_select="fft"
916 ac3_encoder_select="fft"
917 atrac3_decoder_select="fft"
918 cook_decoder_select="fft"
919 dca_decoder_select="fft"
920 dxa_decoder_deps="zlib"
921 eac3_decoder_deps="gpl"
922 eac3_decoder_select="fft"
923 flashsv_decoder_deps="zlib"
924 flashsv_encoder_deps="zlib"
925 imc_decoder_select="fft"
926 mlp_decoder_deps="mlp_parser"
927 mpeg_xvmc_decoder_deps="xvmc"
928 nellymoser_decoder_select="fft"
929 nellymoser_encoder_select="fft"
930 png_decoder_deps="zlib"
931 png_encoder_deps="zlib"
932 qdm2_decoder_select="fft"
933 vorbis_decoder_select="fft"
934 vorbis_encoder_select="fft"
935 wmav1_decoder_select="fft"
936 wmav1_encoder_select="fft"
937 wmav2_decoder_select="fft"
938 wmav2_encoder_select="fft"
939 zmbv_decoder_deps="zlib"
940 zmbv_encoder_deps="zlib"
941
942 # external libraries
943 libamr_nb_decoder_deps="libamr_nb"
944 libamr_nb_encoder_deps="libamr_nb"
945 libamr_wb_decoder_deps="libamr_wb"
946 libamr_wb_encoder_deps="libamr_wb"
947 libdirac_decoder_deps="libdirac !libschroedinger"
948 libdirac_encoder_deps="libdirac"
949 libfaac_encoder_deps="libfaac"
950 libfaad_decoder_deps="libfaad"
951 libfaadbin_decoder_extralibs='$ldl'
952 libgsm_decoder_deps="libgsm"
953 libgsm_encoder_deps="libgsm"
954 libgsm_ms_decoder_deps="libgsm"
955 libgsm_ms_encoder_deps="libgsm"
956 libmp3lame_encoder_deps="libmp3lame"
957 libschroedinger_decoder_deps="libschroedinger"
958 libschroedinger_encoder_deps="libschroedinger"
959 libspeex_decoder_deps="libspeex"
960 libtheora_encoder_deps="libtheora"
961 libvorbis_encoder_deps="libvorbis"
962 libx264_encoder_deps="libx264"
963 libxvid_encoder_deps="libxvid"
964 mpeg4aac_decoder_deps="libfaad"
965
966 # demuxers / muxers
967 ac3_demuxer_deps="ac3_parser"
968 audio_beos_demuxer_deps="audio_beos"
969 audio_beos_demuxer_extralibs="-lmedia -lbe"
970 audio_beos_muxer_deps="audio_beos"
971 audio_beos_muxer_extralibs="-lmedia -lbe"
972 avisynth_demuxer_deps="avisynth"
973 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
974 dirac_demuxer_deps="dirac_parser"
975 dv1394_demuxer_deps="dv1394 dv_demuxer"
976 libdc1394_demuxer_deps="libdc1394"
977 libnut_demuxer_deps="libnut"
978 libnut_muxer_deps="libnut"
979 mp3_demuxer_deps="mpegaudio_parser"
980 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
981 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
982 redir_demuxer_deps="network"
983 rtp_muxer_deps="network rtp_protocol"
984 rtsp_demuxer_deps="sdp_demuxer"
985 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
986 v4l_demuxer_deps="linux_videodev_h"
987 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
988 vfwcap_demuxer_deps="capCreateCaptureWindow"
989 vfwcap_demuxer_extralibs="-lvfw32"
990 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
991 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
992
993 # protocols
994 http_protocol_deps="network"
995 rtp_protocol_deps="udp_protocol"
996 tcp_protocol_deps="network"
997 udp_protocol_deps="network"
998
999 # filters
1000 movie_filter_deps="avfilter_lavf"
1001
1002 # programs
1003 ffplay_deps="sdl"
1004 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1005 ffserver_extralibs='$ldl'
1006 vhook_extralibs='$ldl'
1007
1008
1009 # default parameters
1010
1011 logfile="config.err"
1012
1013 # installation paths
1014 prefix_default="/usr/local"
1015 bindir_default='${prefix}/bin'
1016 incdir_default='${prefix}/include'
1017 libdir_default='${prefix}/lib'
1018 mandir_default='${prefix}/share/man'
1019 shlibdir_default="$libdir_default"
1020
1021 # toolchain
1022 cc_default="gcc"
1023 yasmexe="yasm"
1024 ar="ar"
1025 nm="nm"
1026 ranlib="ranlib"
1027 strip="strip"
1028 asmalign_pot="unknown"
1029 ln_s="ln -sf"
1030 objformat="elf"
1031
1032 # machine
1033 arch=`uname -m`
1034 cpu="generic"
1035
1036 # OS
1037 target_os=$(tolower $(uname -s))
1038
1039 # libraries
1040 enable bzlib
1041 enable zlib
1042
1043 # configurable options
1044 enable debug
1045 enable ffmpeg
1046 enable ffplay
1047 enable ffserver
1048 enable ipv6
1049 enable mpegaudio_hp
1050 enable network
1051 enable optimizations
1052 enable protocols
1053 enable static
1054 enable stripping
1055 vhook="default"
1056
1057 # build settings
1058 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1059 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1060 VHOOKSHFLAGS='$(SHFLAGS)'
1061 FFSERVERLDFLAGS=-Wl,-E
1062 LIBPREF="lib"
1063 LIBSUF=".a"
1064 FULLNAME='$(NAME)$(BUILDSUF)'
1065 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1066 SLIBPREF="lib"
1067 SLIBSUF=".so"
1068 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1069 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1070 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1071 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1072
1073 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1074 # full relative path for objects in subdirectories for non-recursive Make.
1075 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,"'
1076
1077 # find source path
1078 source_path="`dirname \"$0\"`"
1079 enable source_path_used
1080 if test -z "$source_path" -o "$source_path" = "." ; then
1081 source_path="`pwd`"
1082 disable source_path_used
1083 else
1084 source_path="`cd \"$source_path\"; pwd`"
1085 echo "$source_path" | grep -q '[[:blank:]]' &&
1086 die "Out of tree builds are impossible with whitespace in source path."
1087 fi
1088
1089 FFMPEG_CONFIGURATION="$@"
1090
1091 find_things(){
1092 thing=$1
1093 pattern=$2
1094 file=$source_path/$3
1095 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1096 }
1097
1098 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1099 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1100 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1101 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1102 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1103 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1104 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1105 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1106 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1107 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1108
1109 enable $ARCH_EXT_LIST \
1110 $DECODER_LIST \
1111 $ENCODER_LIST \
1112 $PARSER_LIST \
1113 $BSF_LIST \
1114 $DEMUXER_LIST \
1115 $MUXER_LIST \
1116 $FILTER_LIST \
1117 $PROTOCOL_LIST \
1118 $INDEV_LIST \
1119 $OUTDEV_LIST \
1120
1121 die_unknown(){
1122 echo "Unknown option \"$1\"."
1123 echo "See $0 --help for available options."
1124 exit 1
1125 }
1126
1127 show_list() {
1128 suffix=_$1
1129 shift
1130 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1131 exit 0
1132 }
1133
1134 for opt do
1135 optval="${opt#*=}"
1136 case "$opt" in
1137 --extra-cflags=*) add_cflags "$optval"
1138 ;;
1139 --extra-ldflags=*) add_ldflags "$optval"
1140 ;;
1141 --extra-libs=*) add_extralibs "$optval"
1142 ;;
1143 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1144 ;;
1145 --enable-debug=*) debuglevel="$optval"
1146 ;;
1147 --enable-*=*|--disable-*=*)
1148 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1149 case "$thing" in
1150 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1151 *) die_unknown "$opt" ;;
1152 esac
1153 ;;
1154 --enable-?*|--disable-?*)
1155 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1156 if is_in $option $COMPONENT_LIST; then
1157 eval $action \$$(toupper ${option%s})_LIST
1158 elif is_in $option $CMDLINE_SELECT; then
1159 $action $option
1160 else
1161 die_unknown $opt
1162 fi
1163 ;;
1164 --list-*)
1165 NAME="${opt#--list-}"
1166 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1167 NAME=${NAME%s}
1168 eval show_list $NAME \$$(toupper $NAME)_LIST
1169 ;;
1170 --help|-h) show_help
1171 ;;
1172 *)
1173 optname="${opt%%=*}"
1174 optname="${optname#--}"
1175 optname=$(echo "$optname" | sed 's/-/_/g')
1176 is_in $optname $CMDLINE_SET || die_unknown $opt
1177 eval $optname='$optval'
1178 ;;
1179 esac
1180 done
1181
1182 disabled logging && logfile=/dev/null
1183
1184 echo "# $0 $@" > $logfile
1185 set >> $logfile
1186
1187 cc_default="${cross_prefix}${cc_default}"
1188 yasmexe="${cross_prefix}${yasmexe}"
1189 ar="${cross_prefix}${ar}"
1190 nm="${cross_prefix}${nm}"
1191 ranlib="${cross_prefix}${ranlib}"
1192 strip="${cross_prefix}${strip}"
1193
1194 set_default cc
1195
1196 # set temporary file name
1197 if test ! -z "$TMPDIR" ; then
1198 TMPDIR1="${TMPDIR}"
1199 elif test ! -z "$TEMPDIR" ; then
1200 TMPDIR1="${TEMPDIR}"
1201 else
1202 TMPDIR1="/tmp"
1203 fi
1204
1205 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1206 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1207 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1208 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1209 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1210 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1211
1212 check_cflags -std=c99
1213
1214 case "$arch" in
1215 i386|i486|i586|i686|i86pc|BePC)
1216 arch="x86_32"
1217 enable fast_unaligned
1218 ;;
1219 x86_64|amd64)
1220 arch="x86_32"
1221 enable fast_unaligned
1222 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1223 int test[sizeof(char*) - 7];
1224 EOF
1225 ;;
1226 # armv4l is a subset of armv[567]*l
1227 arm|armv[4567]*l)
1228 arch="armv4l"
1229 ;;
1230 alpha)
1231 arch="alpha"
1232 enable fast_64bit
1233 ;;
1234 "Power Macintosh"|ppc|powerpc)
1235 arch="powerpc"
1236 enable fast_unaligned
1237 ;;
1238 ppc64)
1239 arch="powerpc"
1240 enable fast_64bit
1241 enable fast_unaligned
1242 ;;
1243 mips|mipsel|IP*)
1244 arch="mips"
1245 ;;
1246 sun4u|sparc64)
1247 arch="sparc64"
1248 enable fast_64bit
1249 ;;
1250 sparc)
1251 arch="sparc"
1252 ;;
1253 sh4)
1254 arch="sh4"
1255 ;;
1256 parisc)
1257 arch="parisc"
1258 ;;
1259 parisc64)
1260 arch="parisc"
1261 enable fast_64bit
1262 ;;
1263 s390|s390x)
1264 arch="s390"
1265 ;;
1266 m68k)
1267 arch="m68k"
1268 ;;
1269 ia64)
1270 arch="ia64"
1271 enable fast_64bit
1272 ;;
1273 bfin)
1274 arch="bfin"
1275 ;;
1276 *)
1277 arch="unknown"
1278 ;;
1279 esac
1280
1281 enable $arch
1282 enabled_any x86_32 x86_64 && enable x86
1283 enabled sparc64 && enable sparc
1284
1285 # OS specific
1286 case $target_os in
1287 beos|haiku|zeta)
1288 prefix_default="$HOME/config"
1289 # helps building libavcodec
1290 add_cflags "-DPIC -fomit-frame-pointer"
1291 # 3 gcc releases known for BeOS, each with ugly bugs
1292 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1293 case "$gcc_version" in
1294 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1295 disable mmx
1296 ;;
1297 *20010315*) echo "BeBits gcc"
1298 add_cflags "-fno-expensive-optimizations"
1299 ;;
1300 esac
1301 SHFLAGS=-nostart
1302 # enable BeOS things
1303 enable audio_beos
1304 # no need for libm, but the inet stuff
1305 # Check for BONE
1306 # XXX: actually should check for NOT net_server
1307 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1308 network_extralibs="-lbind -lsocket"
1309 else
1310 enable beos_netserver
1311 network_extralibs="-lnet"
1312 fi ;;
1313 sunos)
1314 FFSERVERLDFLAGS=""
1315 SHFLAGS='-shared -Wl,-h,$$(@F)'
1316 network_extralibs="-lsocket -lnsl"
1317 ;;
1318 netbsd)
1319 oss_demuxer_extralibs="-lossaudio"
1320 oss_muxer_extralibs="-lossaudio"
1321 ;;
1322 openbsd)
1323 disable need_memalign
1324 LIBOBJFLAGS='$(PIC)'
1325 SHFLAGS='-shared'
1326 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1327 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1328 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1329 oss_demuxer_extralibs="-lossaudio"
1330 oss_muxer_extralibs="-lossaudio"
1331 ;;
1332 freebsd)
1333 disable need_memalign
1334 ;;
1335 bsd/os)
1336 osextralibs="-lpoll -lgnugetopt"
1337 strip="strip -d"
1338 ;;
1339 darwin)
1340 disable need_memalign
1341 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1342 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1343 strip="strip -x"
1344 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1345 SLIBSUF=".dylib"
1346 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1347 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1348 FFSERVERLDFLAGS=-Wl,-bind_at_load
1349 objformat="macho"
1350 enabled x86_64 && objformat="macho64"
1351 ;;
1352 mingw32*)
1353 target_os=mingw32
1354 LIBTARGET=i386
1355 if test $arch = x86_64; then
1356 disable need_memalign
1357 LIBTARGET=x64
1358 fi
1359 shlibdir_default="$bindir_default"
1360 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1361 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1362 if enabled swscale; then
1363 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1364 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1365 fi
1366 disable ffserver
1367 SLIBPREF=""
1368 SLIBSUF=".dll"
1369 EXESUF=".exe"
1370 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1371 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1372 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1373 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1374 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1375 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1376 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1377 objformat="win32"
1378 enable dos_paths
1379 ;;
1380 cygwin*)
1381 target_os=cygwin
1382 shlibdir_default="$bindir_default"
1383 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1384 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1385 if enabled swscale; then
1386 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1387 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1388 fi
1389 EXESUF=".exe"
1390 SLIBPREF="cyg"
1391 SLIBSUF=".dll"
1392 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1393 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1394 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1395 objformat="win32"
1396 enable dos_paths
1397 ;;
1398 *-dos|freedos|opendos)
1399 disable ffplay ffserver vhook
1400 disable $INDEV_LIST $OUTDEV_LIST
1401 network_extralibs="-lsocket"
1402 EXESUF=".exe"
1403 objformat="win32"
1404 enable dos_paths
1405 ;;
1406 linux)
1407 enable dv1394
1408 ;;
1409 irix*)
1410 target_os=irix
1411 ranlib="echo ignoring ranlib"
1412 ;;
1413 os/2*)
1414 strip="lxlite"
1415 ln_s="cp -f"
1416 EXESUF=".exe"
1417 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1418 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1419 FFSERVERLDFLAGS=""
1420 LIBSUF="_s.a"
1421 SLIBPREF=""
1422 SLIBSUF=".dll"
1423 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1424 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1425 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1426 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1427 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1428 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1429 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1430 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1431 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1432 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1433 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1434 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1435 disable vhook
1436 enable dos_paths
1437 ;;
1438 interix)
1439 disable vhook
1440 ;;
1441
1442 *)
1443 target_os="${target_os}-UNKNOWN"
1444 ;;
1445 esac
1446
1447 set_default $PATHS_LIST
1448
1449 add_extralibs $osextralibs
1450
1451 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1452 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1453
1454 test -n "$cross_prefix" && enable cross_compile
1455
1456 # we need to build at least one lib type
1457 if ! enabled_any static shared; then
1458 cat <<EOF
1459 At least one library type must be built.
1460 Specify --enable-static to build the static libraries or --enable-shared to
1461 build the shared libraries as well. To only build the shared libraries specify
1462 --disable-static in addition to --enable-shared.
1463 EOF
1464 exit 1;
1465 fi
1466
1467 disabled static && LIBNAME=""
1468
1469 if enabled_any libfaad libfaadbin ; then
1470 if check_header faad.h; then
1471 check_cc <<EOF
1472 #include <faad.h>
1473 #ifndef FAAD2_VERSION
1474 ok faad1
1475 #endif
1476 int main(void) { return 0; }
1477 EOF
1478 test $? = 0 && enable libfaad2
1479 else
1480 die "FAAD test failed."
1481 fi
1482 fi
1483
1484
1485 if ! enabled gpl; then
1486 die_gpl_disabled(){
1487 name=$1
1488 shift
1489 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1490 }
1491 die_gpl_disabled "The Postprocessing code" postproc
1492 die_gpl_disabled "libx264" libx264
1493 die_gpl_disabled "libxvidcore" libxvid
1494 die_gpl_disabled "FAAD2" libfaad2
1495 die_gpl_disabled "The X11 grabber" x11grab
1496 die_gpl_disabled "The software scaler" swscale
1497 fi
1498
1499 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1500 die "libamr is nonfree and --enable-nonfree is not specified."
1501 fi
1502
1503 check_deps $ARCH_EXT_LIST
1504
1505 test -z "$need_memalign" && need_memalign="$mmx"
1506
1507 #Darwin CC versions
1508 if test $target_os = darwin; then
1509 if $cc -v 2>&1 | grep -q xlc; then
1510 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1511 else
1512 add_cflags "-pipe"
1513 check_cflags "-force_cpusubtype_ALL"
1514 check_cflags "-Wno-sign-compare"
1515 enabled shared || check_cflags -mdynamic-no-pic
1516 fi
1517 fi
1518
1519 disabled optimizations || check_cflags -fomit-frame-pointer
1520
1521 # Add processor-specific flags
1522 if test $cpu != "generic"; then
1523 warn_altivec(){
1524 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1525 }
1526 case $cpu in
1527 601|ppc601|PowerPC601)
1528 add_cflags "-mcpu=601"
1529 warn_altivec enabled PPC601
1530 ;;
1531 603*|ppc603*|PowerPC603*)
1532 add_cflags "-mcpu=603"
1533 warn_altivec enabled PPC603
1534 ;;
1535 604*|ppc604*|PowerPC604*)
1536 add_cflags "-mcpu=604"
1537 warn_altivec enabled PPC604
1538 ;;
1539 G3|g3|75*|ppc75*|PowerPC75*)
1540 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1541 warn_altivec enabled PPC75x
1542 ;;
1543 G4|g4|745*|ppc745*|PowerPC745*)
1544 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1545 warn_altivec disabled PPC745x
1546 ;;
1547 74*|ppc74*|PowerPC74*)
1548 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1549 warn_altivec disabled PPC74xx
1550 ;;
1551 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1552 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1553 warn_altivec disabled PPC970
1554 enable ppc64
1555 ;;
1556 Cell|CELL|cell)
1557 add_cflags "-mcpu=cell"
1558 warn_altivec disabled Cell
1559 enable ppc64
1560 ;;
1561 # targets that do NOT support conditional mov (cmov)
1562 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1563 add_cflags "-march=$cpu"
1564 disable cmov
1565 ;;
1566 # targets that do support conditional mov (cmov)
1567 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1568 add_cflags "-march=$cpu"
1569 enable cmov
1570 enable fast_cmov
1571 ;;
1572 # targets that do support conditional mov but on which it's slow
1573 pentium4|pentium4m|prescott|nocona)
1574 add_cflags "-march=$cpu"
1575 enable cmov
1576 disable fast_cmov
1577 ;;
1578 sparc64)
1579 add_cflags "-mcpu=v9"
1580 ;;
1581 arm11*|cortex*)
1582 add_cflags "-mcpu=$cpu"
1583 enable fast_unaligned
1584 ;;
1585 armv*)
1586 add_cflags "-march=$cpu"
1587 ;;
1588 arm*)
1589 add_cflags "-mcpu=$cpu"
1590 ;;
1591 *)
1592 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1593 ;;
1594 esac
1595 fi
1596
1597 # make sure we can execute files in $TMPDIR
1598 cat > $TMPSH 2>> $logfile <<EOF
1599 #! /bin/sh
1600 EOF
1601 chmod +x $TMPSH >> $logfile 2>&1
1602 if ! $TMPSH >> $logfile 2>&1; then
1603 cat <<EOF
1604 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1605 variable to another directory and make sure that $TMPDIR1 is not mounted
1606 noexec.
1607 EOF
1608 die "Sanity test failed."
1609 fi
1610 rm $TMPSH
1611
1612 # compiler sanity check
1613 check_exec <<EOF
1614 int main(void){ return 0; }
1615 EOF
1616 if test "$?" != 0; then
1617 echo "$cc is unable to create an executable file."
1618 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1619 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1620 echo "Only do this if you know what cross compiling means."
1621 fi
1622 die "C compiler test failed."
1623 fi
1624
1625 check_cc <<EOF || die "Symbol mangling check failed."
1626 int ff_extern;
1627 EOF
1628 sym=$($nm -P -g $TMPO | grep ff_extern)
1629 extern_prefix=${sym%%ff_extern*}
1630
1631 check_asm inline_asm '""'
1632
1633 if enabled x86; then
1634 # check whether EBP is available on x86
1635 # As 'i' is stored on the stack, this program will crash
1636 # if the base pointer is used to access it because the
1637 # base pointer is cleared in the inline assembly code.
1638 check_exec_crash <<EOF && enable ebp_available
1639 volatile int i=0;
1640 __asm__ volatile (
1641 "xorl %%ebp, %%ebp"
1642 ::: "%ebp");
1643 return i;
1644 EOF
1645
1646 # check wether EBX is available on x86
1647 check_asm ebx_available '"":::"%ebx"'
1648
1649 # check whether binutils is new enough to compile SSSE3/MMX2
1650 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1651 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1652
1653 check_asm bswap '"bswap %%eax" ::: "%eax"'
1654
1655 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1656 enabled x86_64 && append YASMFLAGS "-m amd64"
1657 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1658 case "$objformat" in
1659 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1660 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1661 *) append YASMFLAGS "-DPREFIX" ;;
1662 esac
1663 check_yasm "pabsw xmm0, xmm0" && enable yasm
1664 fi
1665
1666 # check for assembler specific support
1667
1668 if test $arch = "powerpc"; then
1669 check_asm dcbzl '"dcbzl 0, 1"'
1670 fi
1671
1672 # check for SIMD availability
1673
1674 # AltiVec flags: The FSF version of GCC differs from the Apple version
1675 if enabled altivec; then
1676 check_cflags -maltivec -mabi=altivec &&
1677 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1678 check_cflags -faltivec
1679
1680 # check if our compiler supports Motorola AltiVec C API
1681 check_cc <<EOF || disable altivec
1682 $inc_altivec_h
1683 int main(void) {
1684 vector signed int v1, v2, v3;
1685 v1 = vec_add(v2,v3);
1686 return 0;
1687 }
1688 EOF
1689
1690 # check if our compiler supports braces for vector declarations
1691 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1692 $inc_altivec_h
1693 int main (void) { (vector int) {1}; return 0; }
1694 EOF
1695 fi
1696
1697 # We have to check if pld is a nop and disable it.
1698 enabled armv4l && check_asm pld '"pld [r0]"'
1699 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1700 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1701 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1702 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1703 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1704 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1705 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1706
1707 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1708
1709 # ---
1710 # big/little-endian test
1711 check_cc <<EOF || die "endian test failed"
1712 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1713 EOF
1714 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1715
1716 # ---
1717 # check availability of some header files
1718
1719 if check_func dlopen; then
1720 ldl=
1721 elif check_func dlopen -ldl; then
1722 ldl=-ldl
1723 fi
1724
1725 check_func fork
1726 check_func gethrtime
1727 check_func getrusage
1728 check_func inet_aton $network_extralibs
1729 check_func memalign
1730 check_func mkstemp
1731 check_func_headers windows.h GetProcessTimes
1732
1733 check_header conio.h
1734 check_header dlfcn.h
1735 check_header malloc.h
1736 check_header poll.h
1737 check_header sys/mman.h
1738 check_header sys/resource.h
1739 check_header sys/select.h
1740 check_header termios.h
1741
1742 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1743 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1744 fi
1745
1746 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1747 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1748
1749 # check for some common methods of building with pthread support
1750 # do this before the optional library checks as some of them require pthreads
1751 if enabled pthreads; then
1752 if check_func pthread_create; then
1753 :
1754 elif check_func pthread_create -pthread; then
1755 add_cflags -pthread
1756 add_extralibs -pthread
1757 elif check_func pthread_create -pthreads; then
1758 add_cflags -pthreads
1759 add_extralibs -pthreads
1760 elif check_func pthread_create -lpthreadGC2; then
1761 add_extralibs -lpthreadGC2
1762 elif ! check_lib pthread.h pthread_create -lpthread; then
1763 die "ERROR: can't find pthreads library"
1764 fi
1765 fi
1766
1767 for thread in $THREADS_LIST; do
1768 if enabled $thread; then
1769 test -n "$thread_type" &&
1770 die "ERROR: Only one thread type must be selected." ||
1771 thread_type="$thread"
1772 fi
1773 done
1774
1775 check_lib math.h sin -lm
1776
1777 # test for C99 functions in math.h
1778 for func in llrint lrint lrintf round roundf; do
1779 check_exec <<EOF && enable $func || disable $func
1780 #include <math.h>
1781 int main(void) { return ($func(3.999f) > 0)?0:1; }
1782 EOF
1783 done
1784
1785 # these are off by default, so fail if requested and not available
1786 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1787 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1788 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1789 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1790 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1791 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1792 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1793 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1794 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1795 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1796 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1797 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1798 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1799 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1800 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1801 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1802 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
1803 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1804 die "ERROR: libx264 version must be >= 0.65."; }
1805 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1806 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1807
1808 # libdc1394 check
1809 if enabled libdc1394; then
1810 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1811 enable libdc1394_2; } ||
1812 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1813 enable libdc1394_1; } ||
1814 die "ERROR: No version of libdc1394 found "
1815 fi
1816
1817
1818 _restrict=
1819 for restrict_keyword in restrict __restrict__ __restrict; do
1820 check_cc <<EOF && _restrict=$restrict_keyword && break
1821 void foo(char * $restrict_keyword p);
1822 EOF
1823 done
1824
1825 test "$vhook" = "default" && vhook="$dlopen"
1826
1827 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1828 disable vhook
1829 echo
1830 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1831 echo "Patches welcome."
1832 echo
1833 fi
1834
1835 if enabled vhook; then
1836 check_ldflags -rdynamic
1837 check_ldflags -export-dynamic
1838 fi
1839
1840 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1841 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1842
1843 ##########################################
1844 # SDL check
1845
1846 disable sdl_too_old
1847 disable sdl
1848 SDL_CONFIG="${cross_prefix}sdl-config"
1849 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1850 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1851 temp_cflags $sdl_cflags
1852 temp_extralibs `"${SDL_CONFIG}" --libs`
1853 if check_lib2 SDL.h SDL_Init; then
1854 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1855 if test "$_sdlversion" -lt 121 ; then
1856 enable sdl_too_old
1857 else
1858 enable sdl
1859 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1860 #include <SDL.h>
1861 int main(int argc, char **argv){
1862 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1863 int w = vi->current_w;
1864 return 0;
1865 }
1866 EOF
1867 fi
1868 fi
1869 restore_flags
1870 fi
1871
1872 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1873
1874 ##########################################
1875 # Network check
1876
1877 if enabled network; then
1878 check_type sys/socket.h socklen_t
1879 # Prefer arpa/inet.h over winsock2
1880 if check_header arpa/inet.h ; then
1881 check_func closesocket
1882 elif check_header winsock2.h ; then
1883 network_extralibs="-lws2_32"
1884 check_type ws2tcpip.h socklen_t
1885 check_func_headers winsock2.h closesocket
1886 fi
1887 fi
1888
1889 ##########################################
1890 # IPv6 check
1891
1892 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1893 #include <sys/types.h>
1894 #include <sys/socket.h>
1895 #include <netinet/in.h>
1896 #include <netdb.h>
1897 int main(void) {
1898 struct sockaddr_storage saddr;
1899 struct ipv6_mreq mreq6;
1900 getaddrinfo(0,0,0,0);
1901 getnameinfo(0,0,0,0,0,0,0);
1902 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1903 }
1904 EOF
1905
1906 check_header linux/videodev.h
1907 check_header linux/videodev2.h
1908 check_header sys/videoio.h
1909
1910 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1911
1912 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1913 { check_header dev/bktr/ioctl_meteor.h &&
1914 check_header dev/bktr/ioctl_bt848.h; } ||
1915 { check_header machine/ioctl_meteor.h &&
1916 check_header machine/ioctl_bt848.h; } ||
1917 { check_header dev/video/meteor/ioctl_meteor.h &&
1918 check_header dev/video/bktr/ioctl_bt848.h; } ||
1919 check_header dev/ic/bt8xx.h
1920
1921 check_header sys/soundcard.h
1922 check_header soundcard.h
1923
1924 # deal with the X11 frame grabber
1925 enabled x11grab &&
1926 check_header X11/Xlib.h &&
1927 check_header X11/extensions/XShm.h &&
1928 check_func XOpenDisplay -lX11 &&
1929 check_func XShmCreateImage -lX11 -lXext
1930
1931 enabled debug && add_cflags -g"$debuglevel"
1932
1933 # add some useful compiler flags if supported
1934 check_cflags -Wdeclaration-after-statement
1935 check_cflags -Wall
1936 check_cflags -Wno-switch
1937 check_cflags -Wdisabled-optimization
1938 check_cflags -Wpointer-arith
1939 check_cflags -Wredundant-decls
1940 check_cflags -Wno-pointer-sign
1941 check_cflags -Wcast-qual
1942 check_cflags -Wwrite-strings
1943 check_cflags -Wtype-limits
1944 enabled extra_warnings && check_cflags -Winline
1945
1946 # add some linker flags
1947 check_ldflags -Wl,--warn-common
1948 check_ldflags -Wl,--as-needed
1949 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'
1950 check_ldflags -Wl,-Bsymbolic
1951
1952 if enabled small; then
1953 check_cflags -Os # not all compilers support -Os
1954 optimizations="small"
1955 elif enabled optimizations; then
1956 if $cc -v 2>&1 | grep -q xlc; then
1957 add_cflags "-O5"
1958 add_ldflags "-O5"
1959 else
1960 add_cflags "-O3"
1961 fi
1962 fi
1963 check_cflags -fno-math-errno
1964 check_cflags -fno-signed-zeros
1965
1966 # add some flags for Intel C Compiler
1967 if $cc --version 2> /dev/null | grep -q Intel; then
1968 # Just warnings, no remarks
1969 check_cflags -w1
1970 # -wd: Disable following warnings
1971 # 144, 167, 556: -Wno-pointer-sign
1972 # 10006: ignoring unknown option -fno-signed-zeros
1973 # 10156: ignoring option '-W'; no argument required
1974 check_cflags -wd144,167,556,10006,10156
1975 # 11030: Warning unknown option --as-needed
1976 # 10156: ignoring option '-export'; no argument required
1977 check_ldflags -wd10156,11030
1978 # Allow to compile with optimizations
1979 check_ldflags -march=$cpu
1980 fi
1981
1982 # PIC flags for shared library objects where they are needed
1983 if enabled shared; then
1984 # LIBOBJFLAGS may have already been set in the OS configuration
1985 if test -z "$LIBOBJFLAGS" ; then
1986 case "$arch" in
1987 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1988 esac
1989 fi
1990 fi
1991
1992 if enabled gprof; then
1993 add_cflags "-p"
1994 add_ldflags "-p"
1995 fi
1996
1997 VHOOKCFLAGS="-fPIC"
1998
1999 # Find out if the .align argument is a power of two or not.
2000 if test $asmalign_pot = "unknown"; then
2001 disable asmalign_pot
2002 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
2003 fi
2004
2005 enabled_any $DECODER_LIST && enable decoders
2006 enabled_any $ENCODER_LIST && enable encoders
2007 enabled_any $BSF_LIST && enable bsfs
2008 enabled_any $DEMUXER_LIST && enable demuxers
2009 enabled_any $MUXER_LIST && enable muxers
2010 enabled_any $FILTER_LIST && enable filters
2011 enabled_any $INDEV_LIST && enable demuxers
2012 enabled_any $OUTDEV_LIST && enable muxers
2013 enabled_any $PROTOCOL_LIST && enable protocols
2014
2015 enabled_any $THREADS_LIST && enable threads
2016
2017 check_deps $CONFIG_LIST \
2018 $HAVE_LIST \
2019 $DECODER_LIST \
2020 $ENCODER_LIST \
2021 $PARSER_LIST \
2022 $BSF_LIST \
2023 $DEMUXER_LIST \
2024 $MUXER_LIST \
2025 $FILTER_LIST \
2026 $INDEV_LIST \
2027 $OUTDEV_LIST \
2028 $PROTOCOL_LIST \
2029
2030 enabled libdc1394 && append pkg_requires "libraw1394"
2031 enabled libdirac && append pkg_requires "dirac"
2032 enabled libtheora && append pkg_requires "theora"
2033 enabled libvorbis && append pkg_requires "vorbisenc"
2034
2035 echo "install prefix $prefix"
2036 echo "source path $source_path"
2037 echo "C compiler $cc"
2038 echo ".align is power-of-two $asmalign_pot"
2039 echo "ARCH $arch ($cpu)"
2040 if test "$build_suffix" != ""; then
2041 echo "build suffix $build_suffix"
2042 fi
2043 if test "$extra_version" != ""; then
2044 echo "version string suffix $extra_version"
2045 fi
2046 echo "big-endian ${bigendian-no}"
2047 if test $arch = "x86_32" -o $arch = "x86_64"; then
2048 echo "yasm ${yasm-no}"
2049 echo "MMX enabled ${mmx-no}"
2050 echo "CMOV enabled ${cmov-no}"
2051 echo "CMOV is fast ${fast_cmov-no}"
2052 echo "EBX available ${ebx_available-no}"
2053 echo "EBP available ${ebp_available-no}"
2054 fi
2055 if test $arch = "armv4l"; then
2056 echo "ARMv5TE enabled ${armv5te-no}"
2057 echo "ARMv6 enabled ${armv6-no}"
2058 echo "ARM VFP enabled ${armvfp-no}"
2059 echo "IWMMXT enabled ${iwmmxt-no}"
2060 echo "NEON enabled ${neon-no}"
2061 fi
2062 if test $arch = "mips"; then
2063 echo "MMI enabled ${mmi-no}"
2064 fi
2065 if test $arch = "powerpc"; then
2066 echo "AltiVec enabled ${altivec-no}"
2067 echo "dcbzl available ${dcbzl-no}"
2068 fi
2069 echo "gprof enabled ${gprof-no}"
2070 echo "debug symbols ${debug-no}"
2071 echo "strip symbols ${stripping-no}"
2072 echo "optimizations ${optimizations-no}"
2073 echo "static ${static-no}"
2074 echo "shared ${shared-no}"
2075 echo "postprocessing support ${postproc-no}"
2076 echo "software scaler enabled ${swscale-no}"
2077 echo "new filter support ${avfilter-no}"
2078 echo "filters using lavformat ${avfilter_lavf-no}"
2079 echo "video hooking ${vhook-no}"
2080 if enabled vhook; then
2081 echo "Imlib2 support ${imlib2-no}"
2082 echo "FreeType support ${freetype2-no}"
2083 fi
2084 echo "network support ${network-no}"
2085 if enabled network; then
2086 echo "IPv6 support ${ipv6-no}"
2087 fi
2088 echo "threading support ${thread_type-no}"
2089 echo "SDL support ${sdl-no}"
2090 if enabled sdl_too_old; then
2091 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2092 fi
2093 echo "Sun medialib support ${mlib-no}"
2094 echo "AVISynth enabled ${avisynth-no}"
2095 echo "libamr-nb support ${libamr_nb-no}"
2096 echo "libamr-wb support ${libamr_wb-no}"
2097 echo "libdc1394 support ${libdc1394-no}"
2098 echo "libdirac enabled ${libdirac-no}"
2099 echo "libfaac enabled ${libfaac-no}"
2100 echo "libfaad enabled ${libfaad-no}"
2101 echo "libfaad dlopened ${libfaadbin-no}"
2102 echo "libgsm enabled ${libgsm-no}"
2103 echo "libmp3lame enabled ${libmp3lame-no}"
2104 echo "libnut enabled ${libnut-no}"
2105 echo "libschroedinger enabled ${libschroedinger-no}"
2106 echo "libspeex enabled ${libspeex-no}"
2107 echo "libtheora enabled ${libtheora-no}"
2108 echo "libvorbis enabled ${libvorbis-no}"
2109 echo "libx264 enabled ${libx264-no}"
2110 echo "libxvid enabled ${libxvid-no}"
2111 echo "zlib enabled ${zlib-no}"
2112 echo "bzlib enabled ${bzlib-no}"
2113 echo
2114
2115 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2116 echo "Enabled ${type}s:"
2117 eval list=\$$(toupper $type)_LIST
2118 for part in $list; do
2119 enabled $part && echo ${part%_*}
2120 done | sort | pr -3 -t
2121 echo
2122 done
2123
2124 license="LGPL"
2125 if enabled nonfree; then
2126 license="unredistributable"
2127 elif enabled gpl; then
2128 license="GPL"
2129 fi
2130
2131 echo "License: $license"
2132
2133 echo "Creating config.mak and config.h..."
2134
2135 echo "# Automatically generated by configure - do not modify!" > config.mak
2136 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2137 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2138 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2139 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2140
2141 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2142 echo "prefix=$prefix" >> config.mak
2143 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2144 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2145 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2146 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2147 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2148 echo "CC=$cc" >> config.mak
2149 echo "YASM=$yasmexe" >> config.mak
2150 echo "AR=$ar" >> config.mak
2151 echo "RANLIB=$ranlib" >> config.mak
2152 echo "LN_S=$ln_s" >> config.mak
2153 enabled stripping &&
2154 echo "STRIP=$strip" >> config.mak ||
2155 echo "STRIP=echo ignoring strip" >> config.mak
2156
2157 echo "OPTFLAGS=$CFLAGS" >> config.mak
2158 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2159 echo "LDFLAGS=$LDFLAGS" >> config.mak
2160 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2161 echo "SHFLAGS=$SHFLAGS" >> config.mak
2162 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2163 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2164 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2165 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2166 echo "BUILD_STATIC=$static" >> config.mak
2167 echo "BUILDSUF=$build_suffix" >> config.mak
2168 echo "FULLNAME=$FULLNAME" >> config.mak
2169 echo "LIBPREF=$LIBPREF" >> config.mak
2170 echo "LIBSUF=$LIBSUF" >> config.mak
2171 echo "LIBNAME=$LIBNAME" >> config.mak
2172 echo "SLIBPREF=$SLIBPREF" >> config.mak
2173 echo "SLIBSUF=$SLIBSUF" >> config.mak
2174 echo "EXESUF=$EXESUF" >> config.mak
2175 echo "EXTRA_VERSION=$extra_version" >> config.mak
2176 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2177
2178 if enabled bigendian; then
2179 echo "WORDS_BIGENDIAN=yes" >> config.mak
2180 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2181 fi
2182
2183 if enabled sdl; then
2184 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2185 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2186 fi
2187 if enabled texi2html; then
2188 echo "BUILD_DOC=yes" >> config.mak
2189 fi
2190
2191 get_version(){
2192 name=$1
2193 file=$source_path/$2
2194 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2195 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2196 lcname=$(tolower $name)
2197 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2198 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2199 }
2200
2201 get_version LIBSWSCALE libswscale/swscale.h
2202 get_version LIBPOSTPROC libpostproc/postprocess.h
2203 get_version LIBAVCODEC libavcodec/avcodec.h
2204 get_version LIBAVDEVICE libavdevice/avdevice.h
2205 get_version LIBAVFORMAT libavformat/avformat.h
2206 get_version LIBAVUTIL libavutil/avutil.h
2207 get_version LIBAVFILTER libavfilter/avfilter.h
2208
2209 if enabled shared; then
2210 echo "BUILD_SHARED=yes" >> config.mak
2211 echo "PIC=-fPIC -DPIC" >> config.mak
2212 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2213 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2214 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2215 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2216 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2217 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2218 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2219 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2220 fi
2221 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2222 echo "EXTRALIBS=$extralibs" >> config.mak
2223
2224 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2225 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2226 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2227 $DECODER_LIST \
2228 $ENCODER_LIST \
2229 $PARSER_LIST \
2230 $BSF_LIST \
2231 $DEMUXER_LIST \
2232 $MUXER_LIST \
2233 $FILTER_LIST \
2234 $PROTOCOL_LIST \
2235 $INDEV_LIST \
2236 $OUTDEV_LIST \
2237
2238 echo "#define restrict $_restrict" >> $TMPH
2239
2240 if enabled small; then
2241 echo "#define av_always_inline" >> $TMPH
2242 fi
2243
2244 echo "SRC_PATH=\"$source_path\"" >> config.mak
2245 echo "SRC_PATH_BARE=$source_path" >> config.mak
2246 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2247
2248 # Apparently it's not possible to portably echo a backslash.
2249 enabled asmalign_pot &&
2250 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2251 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2252
2253 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2254
2255 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2256
2257 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2258 cmp -s $TMPH config.h &&
2259 echo "config.h is unchanged" ||
2260 mv -f $TMPH config.h
2261
2262 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2263
2264 # build tree in object directory if source path is different from current one
2265 if enabled source_path_used; then
2266 DIRS="\
2267 doc \
2268 libavcodec \
2269 libavcodec/alpha \
2270 libavcodec/armv4l \
2271 libavcodec/bfin \
2272 libavcodec/i386 \
2273 libavcodec/mlib \
2274 libavcodec/ppc \
2275 libavcodec/sh4 \
2276 libavcodec/sparc \
2277 libavdevice \
2278 libavfilter \
2279 libavformat \
2280 libavutil \
2281 libpostproc \
2282 libswscale \
2283 tests \
2284 tools \
2285 vhook \
2286 "
2287 FILES="\
2288 Makefile \
2289 common.mak \
2290 subdir.mak \
2291 doc/texi2pod.pl \
2292 libavcodec/Makefile \
2293 libavdevice/Makefile \
2294 libavfilter/Makefile \
2295 libavformat/Makefile \
2296 libavutil/Makefile \
2297 libpostproc/Makefile \
2298 libswscale/Makefile \
2299 "
2300 for dir in $DIRS ; do
2301 mkdir -p $dir
2302 done
2303 for f in $FILES ; do
2304 $ln_s "$source_path/$f" $f
2305 done
2306 fi
2307
2308
2309 # build pkg-config files
2310
2311 pkgconfig_generate(){
2312 name=$1
2313 shortname=${name#lib}
2314 comment=$2
2315 version=$3
2316 libs=$4
2317 requires=$5
2318 cat <<EOF > $name/$name.pc
2319 prefix=$prefix
2320 exec_prefix=\${prefix}
2321 libdir=$libdir
2322 includedir=$incdir
2323
2324 Name: $name
2325 Description: $comment
2326 Version: $version
2327 Requires: $(disabled shared && echo $requires)
2328 Requires.private: $(enabled shared && echo $requires)
2329 Conflicts:
2330 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2331 Libs.private: $(enabled shared && echo $libs)
2332 Cflags: -I\${includedir}
2333 EOF
2334 cat <<EOF > $name/$name-uninstalled.pc
2335 prefix=
2336 exec_prefix=
2337 libdir=\${pcfiledir}
2338 includedir=${source_path}
2339
2340 Name: $name
2341 Description: $comment
2342 Version: $version
2343 Requires: $requires
2344 Conflicts:
2345 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2346 Cflags: -I\${includedir}
2347 EOF
2348 }
2349
2350 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2351 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2352 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2353 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2354 enabled avfilter &&
2355 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2356 enabled postproc &&
2357 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2358 if enabled swscale; then
2359 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2360 else
2361 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2362 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2363 fi