c8e701b9e623b3e2c66595e9be37375ab2a81c4a
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" > /dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2> /dev/null
20 E1="$?"
21
22 (: ${foo?}) 2> /dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --logfile=FILE log tests and output to FILE [config.err]"
60 echo " --disable-logging do not log configure debug information"
61 echo " --prefix=PREFIX install in PREFIX [$prefix]"
62 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
63 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
64 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
65 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
66 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-gpl allow use of GPL code, the resulting libav*"
72 echo " and ffmpeg will be under GPL [default=no]"
73 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
74 echo " and ffmpeg will be unredistributable [default=no]"
75 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
76 echo " --enable-swscale software scaler support [default=no]"
77 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
78 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
79 echo " --enable-beosthreads use BeOS threads [default=no]"
80 echo " --enable-os2threads use OS/2 threads [default=no]"
81 echo " --enable-pthreads use pthreads [default=no]"
82 echo " --enable-w32threads use Win32 threads [default=no]"
83 echo " --enable-x11grab enable X11 grabbing [default=no]"
84 echo
85 echo "External library support:"
86 echo " --enable-mlib use Sun medialib [default=no]"
87 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
88 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
89 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
90 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
91 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
92 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
93 echo " and libraw1394 [default=no]"
94 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
95 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
96 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
97 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
98 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
99 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
100 echo " --enable-libnut enable NUT (de)muxing via libnut,"
101 echo " native demuxer exists [default=no]"
102 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
103 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
104 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
105 echo " native implementation exists [default=no]"
106 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
107 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
108 echo " native MPEG-4/Xvid encoder exists [default=no]"
109 echo ""
110 echo "Advanced options (experts only):"
111 echo " --source-path=PATH path to source code [$source_path]"
112 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
113 echo " --enable-cross-compile assume a cross-compiler is used"
114 echo " --target-os=OS compiler targets OS [$target_os]"
115 echo " --cc=CC use C compiler CC [$cc]"
116 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
117 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
118 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
119 echo " --build-suffix=SUFFIX suffix for application specific build []"
120 echo " --arch=ARCH select architecture [$arch]"
121 echo " --cpu=CPU selects the minimum cpu required (affects"
122 echo " instruction selection, may crash on older CPUs)"
123 echo " --enable-powerpc-perf enable performance report on PPC"
124 echo " (requires enabling PMC)"
125 echo " --disable-mmx disable MMX usage"
126 echo " --disable-mmx2 disable MMX2 usage"
127 echo " --disable-ssse3 disable SSSE3 usage"
128 echo " --disable-armv5te disable armv5te usage"
129 echo " --disable-armv6 disable armv6 usage"
130 echo " --disable-armvfp disable ARM VFP usage"
131 echo " --disable-iwmmxt disable iwmmxt usage"
132 echo " --disable-altivec disable AltiVec usage"
133 echo " --disable-network disable network support [default=no]"
134 echo " --disable-ipv6 disable ipv6 support [default=no]"
135 echo " --disable-zlib disable zlib [default=no]"
136 echo " --disable-bzlib disable bzlib [default=no]"
137 echo " --disable-vhook disable video hooking support"
138 echo " --disable-debug disable debugging symbols"
139 echo " --disable-mpegaudio-hp faster (but less accurate)"
140 echo " MPEG audio decoding [default=no]"
141 echo " --enable-gray enable full grayscale support (slower color)"
142 echo " --disable-ffmpeg disable ffmpeg build"
143 echo " --disable-ffserver disable ffserver build"
144 echo " --disable-ffplay disable ffplay build"
145 echo " --enable-small optimize for size instead of speed"
146 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-encoder=NAME disables encoder NAME"
149 echo " --enable-encoder=NAME enables encoder NAME"
150 echo " --disable-decoder=NAME disables decoder NAME"
151 echo " --enable-decoder=NAME enables decoder NAME"
152 echo " --disable-encoders disables all encoders"
153 echo " --disable-decoders disables all decoders"
154 echo " --disable-muxer=NAME disables muxer NAME"
155 echo " --enable-muxer=NAME enables muxer NAME"
156 echo " --disable-muxers disables all muxers"
157 echo " --disable-demuxer=NAME disables demuxer NAME"
158 echo " --enable-demuxer=NAME enables demuxer NAME"
159 echo " --disable-demuxers disables all demuxers"
160 echo " --enable-parser=NAME enables parser NAME"
161 echo " --disable-parser=NAME disables parser NAME"
162 echo " --disable-parsers disables all parsers"
163 echo " --enable-bsf=NAME enables bitstream filter NAME"
164 echo " --disable-bsf=NAME disables bitstream filter NAME"
165 echo " --disable-bsfs disables all bitstream filters"
166 echo " --enable-protocol=NAME enables protocol NAME"
167 echo " --disable-protocol=NAME disables protocol NAME"
168 echo " --disable-protocols disables all protocols"
169 echo " --disable-devices disables all devices"
170 echo " --list-decoders show all available decoders"
171 echo " --list-encoders show all available encoders"
172 echo " --list-muxers show all available muxers"
173 echo " --list-demuxers show all available demuxers"
174 echo " --list-parsers show all available parsers"
175 echo " --list-protocols show all available protocols"
176 echo " --list-bsfs show all available bitstream filters"
177 echo " --list-indevs show all available input devices"
178 echo " --list-outdevs show all available output devices"
179 echo
180 echo "Developer options (useful when working on FFmpeg itself):"
181 echo " --enable-gprof enable profiling with gprof [$gprof]"
182 echo " --disable-optimizations disable compiler optimizations"
183 echo " --enable-extra-warnings enable more compiler warnings"
184 echo " --disable-stripping disable stripping of executables and shared libraries"
185 echo ""
186 echo "NOTE: Object files are built at the place where configure is launched."
187 exit 1
188 }
189
190 log(){
191 echo "$@" >> $logfile
192 }
193
194 log_file(){
195 log BEGIN $1
196 pr -n -t $1 >> $logfile
197 log END $1
198 }
199
200 echolog(){
201 log "$@"
202 echo "$@"
203 }
204
205 die(){
206 echolog "$@"
207 cat <<EOF
208 If you think configure made a mistake, make sure you are using the latest
209 version from SVN. If the latest version fails, report the problem to the
210 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
211 EOF
212 if disabled logging; then
213 cat <<EOF
214 Rerun configure with logging enabled (do not use --disable-logging), and
215 include the log this produces with your report.
216 EOF
217 else
218 cat <<EOF
219 Include the log file "$logfile" produced by configure as this will help
220 solving the problem.
221 EOF
222 fi
223 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
224 exit 1
225 }
226
227 # Avoid locale weirdness, besides we really just want to translate ASCII.
228 toupper(){
229 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
230 }
231
232 tolower(){
233 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
234 }
235
236 set_all(){
237 value=$1
238 shift
239 for var in $*; do
240 eval $var=$value
241 done
242 }
243
244 pushvar(){
245 for var in $*; do
246 eval level=\${${var}_level:=0}
247 eval ${var}_${level}="\$$var"
248 eval ${var}_level=$(($level+1))
249 done
250 }
251
252 popvar(){
253 for var in $*; do
254 eval level=\${${var}_level:-0}
255 test $level = 0 && continue
256 eval level=$(($level-1))
257 eval $var="\${${var}_${level}}"
258 eval ${var}_level=$level
259 eval unset ${var}_${level}
260 done
261 }
262
263 enable(){
264 set_all yes $*
265 }
266
267 disable(){
268 set_all no $*
269 }
270
271 enabled(){
272 eval test "x\$$1" = "xyes"
273 }
274
275 disabled(){
276 eval test "x\$$1" = "xno"
277 }
278
279 enabled_all(){
280 for opt; do
281 enabled $opt || return 1
282 done
283 }
284
285 disabled_all(){
286 for opt; do
287 disabled $opt || return 1
288 done
289 }
290
291 enabled_any(){
292 for opt; do
293 enabled $opt && return 0
294 done
295 }
296
297 disabled_any(){
298 for opt; do
299 disabled $opt && return 0
300 done
301 }
302
303 set_default(){
304 for opt; do
305 eval test -z "\$$opt" && eval $opt=\$${opt}_default
306 done
307 }
308
309 is_in(){
310 value=$1
311 shift
312 for var in $*; do
313 [ $var = $value ] && return 0
314 done
315 return 1
316 }
317
318 check_deps(){
319 for cfg; do
320 enabled ${cfg}_checking && die "Circular dependency for $cfg."
321 disabled ${cfg}_checking && continue
322 enable ${cfg}_checking
323
324 eval dep_all="\$${cfg}_deps"
325 eval dep_any="\$${cfg}_deps_any"
326
327 pushvar cfg dep_all dep_any
328 check_deps $dep_all $dep_any
329 popvar cfg dep_all dep_any
330
331 enabled_all $dep_all || disable $cfg
332 enabled_any $dep_any || disable $cfg
333
334 if enabled $cfg; then
335 eval dep_extralibs="\$${cfg}_extralibs"
336 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
337 fi
338
339 disable ${cfg}_checking
340 done
341 }
342
343 print_config(){
344 pfx=$1
345 header=$2
346 makefile=$3
347 shift 3
348 for cfg; do
349 ucname="`toupper $cfg`"
350 if enabled $cfg; then
351 echo "#define ${pfx}${ucname} 1" >> $header
352 echo "#define ENABLE_${ucname} 1" >> $header
353 echo "${pfx}${ucname}=yes" >> $makefile
354 else
355 echo "#define ENABLE_${ucname} 0" >> $header
356 fi
357 done
358 }
359
360 flags_saved(){
361 (: ${SAVE_CFLAGS?}) 2> /dev/null
362 }
363
364 save_flags(){
365 flags_saved && return
366 SAVE_CFLAGS="$CFLAGS"
367 SAVE_LDFLAGS="$LDFLAGS"
368 SAVE_extralibs="$extralibs"
369 }
370
371 restore_flags(){
372 flags_saved || return
373 CFLAGS="$SAVE_CFLAGS"
374 LDFLAGS="$SAVE_LDFLAGS"
375 extralibs="$SAVE_extralibs"
376 unset SAVE_CFLAGS
377 unset SAVE_LDFLAGS
378 unset SAVE_extralibs
379 }
380
381 temp_cflags(){
382 save_flags
383 CFLAGS="$CFLAGS $*"
384 }
385
386 temp_ldflags(){
387 save_flags
388 LDFLAGS="$LDFLAGS $*"
389 }
390
391 temp_extralibs(){
392 save_flags
393 extralibs="$extralibs $*"
394 }
395
396 append(){
397 var=$1
398 shift
399 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
400 eval "$var=\"\$$var $*\""
401 }
402
403 add_cflags(){
404 append CFLAGS "$@"
405 }
406
407 add_ldflags(){
408 append LDFLAGS "$@"
409 }
410
411 add_extralibs(){
412 append extralibs "$@"
413 }
414
415 check_cmd(){
416 log "$@"
417 "$@" >> $logfile 2>&1
418 }
419
420 check_cc(){
421 log check_cc "$@"
422 cat > $TMPC
423 log_file $TMPC
424 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
425 }
426
427 check_cpp(){
428 log check_cpp "$@"
429 cat > $TMPC
430 log_file $TMPC
431 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
432 }
433
434 check_asm(){
435 log check_asm "$@"
436 name="$1"
437 asm="$2"
438 shift 2
439 check_cc "$@" <<EOF && enable $name || disable $name
440 int foo(void){ asm volatile($asm); }
441 EOF
442 }
443
444 check_ld(){
445 log check_ld "$@"
446 check_cc || return
447 flags=''
448 libs=''
449 for f; do
450 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
451 done
452 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
453 }
454
455 check_cflags(){
456 log check_cflags "$@"
457 check_cc "$@" <<EOF && add_cflags "$@"
458 int x;
459 EOF
460 }
461
462 check_ldflags(){
463 log check_ldflags "$@"
464 check_ld "$@" <<EOF && add_ldflags "$@"
465 int main(void){ return 0; }
466 EOF
467 }
468
469 check_header(){
470 log check_header "$@"
471 header=$1
472 shift
473 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
474 disable $var
475 check_cpp "$@" <<EOF && enable $var
476 #include <$header>
477 int x;
478 EOF
479 }
480
481 check_func(){
482 log check_func "$@"
483 func=$1
484 shift
485 disable $func
486 check_ld "$@" <<EOF && enable $func
487 extern int $func();
488 int main(void){ $func(); }
489 EOF
490 }
491
492 check_func2(){
493 log check_func2 "$@"
494 headers=$1
495 func=$2
496 shift 2
497 disable $func
498 incs=""
499 for hdr in $headers; do
500 incs="$incs
501 #include <$hdr>"
502 done
503 check_ld "$@" <<EOF && enable $func
504 $incs
505 int main(int argc, char **argv){
506 (void) $func;
507 return 0;
508 }
509 EOF
510 }
511
512 check_lib(){
513 log check_lib "$@"
514 header="$1"
515 func="$2"
516 shift 2
517 temp_extralibs "$@"
518 check_header $header && check_func $func && add_extralibs "$@"
519 err=$?
520 restore_flags
521 return $err
522 }
523
524 check_lib2(){
525 log check_lib2 "$@"
526 headers="$1"
527 func="$2"
528 shift 2
529 temp_extralibs "$@"
530 check_func2 "$headers" $func && add_extralibs "$@"
531 err=$?
532 restore_flags
533 return $err
534 }
535
536 check_exec(){
537 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
538 }
539
540 check_exec_crash(){
541 code=`cat`
542
543 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
544 # are safe but may not be available everywhere. Thus we use
545 # raise(SIGTERM) instead. The check is run in a subshell so we
546 # can redirect the "Terminated" message from the shell. SIGBUS
547 # is not defined by standard C so it is used conditionally.
548
549 (check_exec "$@") >> $logfile 2>&1 <<EOF
550 #include <signal.h>
551 static void sighandler(int sig){
552 raise(SIGTERM);
553 }
554 int main(void){
555 signal(SIGILL, sighandler);
556 signal(SIGFPE, sighandler);
557 signal(SIGSEGV, sighandler);
558 #ifdef SIGBUS
559 signal(SIGBUS, sighandler);
560 #endif
561 { $code }
562 }
563 EOF
564 }
565
566 check_type(){
567 log check_type "$@"
568 headers=$1
569 type=$2
570 shift 2
571 disable $type
572 incs=""
573 for hdr in $headers; do
574 incs="$incs
575 #include <$hdr>"
576 done
577 check_cc "$@" <<EOF && enable $type
578 $incs
579 $type v;
580 EOF
581 }
582
583 require(){
584 name="$1"
585 header="$2"
586 func="$3"
587 shift 3
588 check_lib $header $func "$@" || die "ERROR: $name not found"
589 }
590
591 require2(){
592 name="$1"
593 headers="$2"
594 func="$3"
595 shift 3
596 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
597 }
598
599 check_foo_config(){
600 cfg=$1
601 pkg=$2
602 header=$3
603 func=$4
604 shift 4
605 disable $cfg
606 check_cmd ${pkg}-config --version
607 err=$?
608 if test "$err" = 0; then
609 temp_cflags `${pkg}-config --cflags`
610 temp_extralibs `${pkg}-config --libs`
611 check_lib "$@" $header $func && enable $cfg
612 fi
613 return $err
614 }
615
616 apply(){
617 file=$1
618 shift
619 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
620 }
621
622 COMPONENT_LIST="
623 bsfs
624 decoders
625 demuxers
626 encoders
627 filters
628 indevs
629 muxers
630 outdevs
631 parsers
632 protocols
633 "
634
635 CONFIG_LIST="
636 $COMPONENT_LIST
637 avfilter
638 avfilter_lavf
639 avisynth
640 beos_netserver
641 bzlib
642 ffmpeg
643 ffplay
644 ffserver
645 gpl
646 gprof
647 gray
648 hardcoded_tables
649 ipv6
650 liba52
651 liba52bin
652 libamr_nb
653 libamr_wb
654 libdc1394
655 libdirac
656 libfaac
657 libfaad
658 libfaadbin
659 libgsm
660 libmp3lame
661 libnut
662 libschroedinger
663 libtheora
664 libvorbis
665 libx264
666 libxvid
667 memalign_hack
668 mlib
669 mpegaudio_hp
670 network
671 nonfree
672 postproc
673 powerpc_perf
674 small
675 swscale
676 vhook
677 x11grab
678 zlib
679 "
680
681 THREADS_LIST='
682 beosthreads
683 os2threads
684 pthreads
685 w32threads
686 '
687
688 ARCH_LIST='
689 alpha
690 armv4l
691 bfin
692 ia64
693 m68k
694 mips
695 parisc
696 powerpc
697 s390
698 sh4
699 sparc
700 sparc64
701 x86
702 x86_32
703 x86_64
704 '
705
706 ARCH_EXT_LIST='
707 altivec
708 armv5te
709 armv6
710 armvfp
711 iwmmxt
712 mmi
713 mmx
714 mmx2
715 neon
716 ssse3
717 vis
718 '
719
720 HAVE_LIST="
721 $ARCH_EXT_LIST
722 $THREADS_LIST
723 altivec_h
724 altivec_vector_braces
725 arpa_inet_h
726 bswap
727 byteswap_h
728 closesocket
729 cmov
730 conio_h
731 dcbzl
732 dev_bktr_ioctl_bt848_h
733 dev_bktr_ioctl_meteor_h
734 dev_ic_bt8xx_h
735 dev_video_meteor_ioctl_meteor_h
736 dev_video_bktr_ioctl_bt848_h
737 dlfcn_h
738 dlopen
739 ebp_available
740 ebx_available
741 fast_64bit
742 fast_cmov
743 fast_unaligned
744 fork
745 freetype2
746 gethrtime
747 GetProcessTimes
748 getrusage
749 imlib2
750 inet_aton
751 inline_asm
752 libdc1394_1
753 libdc1394_2
754 llrint
755 lrint
756 lrintf
757 machine_ioctl_bt848_h
758 machine_ioctl_meteor_h
759 malloc_h
760 memalign
761 mkstemp
762 pld
763 ppc64
764 round
765 roundf
766 sdl
767 sdl_video_size
768 socklen_t
769 soundcard_h
770 poll_h
771 sys_mman_h
772 sys_resource_h
773 sys_select_h
774 sys_soundcard_h
775 termios_h
776 threads
777 winsock2_h
778 "
779
780 CMDLINE_SELECT="
781 $ARCH_EXT_LIST
782 $CONFIG_LIST
783 $THREADS_LIST
784 cross_compile
785 debug
786 extra_warnings
787 logging
788 optimizations
789 shared
790 static
791 stripping
792 "
793
794 PATHS_LIST='
795 bindir
796 incdir
797 libdir
798 mandir
799 prefix
800 shlibdir
801 '
802
803 CMDLINE_SET="
804 $PATHS_LIST
805 arch
806 build_suffix
807 cc
808 cpu
809 cross_prefix
810 logfile
811 source_path
812 target_os
813 "
814
815 # code dependency declarations
816
817 # architecture extensions
818 altivec_deps="powerpc"
819 armv5te_deps="armv4l"
820 armv6_deps="armv4l"
821 armvfp_deps="armv4l"
822 iwmmxt_deps="armv4l"
823 mmi_deps="mips"
824 mmx_deps="x86"
825 mmx2_deps="x86 mmx"
826 neon_deps="armv4l"
827 ssse3_deps="x86"
828 vis_deps="sparc"
829
830 # decoders / encoders
831 ac3_decoder_deps="gpl"
832 dxa_decoder_deps="zlib"
833 flashsv_decoder_deps="zlib"
834 flashsv_encoder_deps="zlib"
835 mpeg_xvmc_decoder_deps="xvmc"
836 png_decoder_deps="zlib"
837 png_encoder_deps="zlib"
838 zmbv_decoder_deps="zlib"
839 zmbv_encoder_deps="zlib"
840
841 # external libraries
842 liba52_decoder_deps="liba52"
843 liba52bin_decoder_extralibs='$ldl'
844 libamr_nb_decoder_deps="libamr_nb"
845 libamr_nb_encoder_deps="libamr_nb"
846 libamr_wb_decoder_deps="libamr_wb"
847 libamr_wb_encoder_deps="libamr_wb"
848 libdirac_decoder_deps="libdirac"
849 libdirac_encoder_deps="libdirac"
850 libfaac_encoder_deps="libfaac"
851 libfaad_decoder_deps="libfaad"
852 libfaadbin_decoder_extralibs='$ldl'
853 libgsm_decoder_deps="libgsm"
854 libgsm_encoder_deps="libgsm"
855 libgsm_ms_decoder_deps="libgsm"
856 libgsm_ms_encoder_deps="libgsm"
857 libmp3lame_encoder_deps="libmp3lame"
858 libschroedinger_decoder_deps="libschroedinger"
859 libschroedinger_encoder_deps="libschroedinger"
860 libtheora_encoder_deps="libtheora"
861 libvorbis_encoder_deps="libvorbis"
862 libx264_encoder_deps="libx264"
863 libxvid_encoder_deps="libxvid"
864 mpeg4aac_decoder_deps="libfaad"
865
866 # demuxers / muxers
867 ac3_demuxer_deps="ac3_parser"
868 audio_beos_demuxer_deps="audio_beos"
869 audio_beos_demuxer_extralibs="-lmedia -lbe"
870 audio_beos_muxer_deps="audio_beos"
871 audio_beos_muxer_extralibs="-lmedia -lbe"
872 avisynth_demuxer_deps="avisynth"
873 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
874 dirac_demuxer_deps="dirac_parser"
875 dv1394_demuxer_deps="dv1394 dv_demuxer"
876 libdc1394_demuxer_deps="libdc1394"
877 libnut_demuxer_deps="libnut"
878 libnut_muxer_deps="libnut"
879 mp3_demuxer_deps="mpegaudio_parser"
880 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
881 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
882 redir_demuxer_deps="network"
883 rtp_muxer_deps="network rtp_protocol"
884 rtsp_demuxer_deps="sdp_demuxer"
885 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
886 v4l_demuxer_deps="linux_videodev_h"
887 v4l2_demuxer_deps="linux_videodev2_h"
888 vfwcap_demuxer_deps="capCreateCaptureWindow"
889 vfwcap_demuxer_extralibs="-lvfw32"
890 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
891 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
892
893 # protocols
894 http_protocol_deps="network"
895 rtp_protocol_deps="udp_protocol"
896 tcp_protocol_deps="network"
897 udp_protocol_deps="network"
898
899 # filters
900 movie_filter_deps="avfilter_lavf"
901
902 # programs
903 ffplay_deps="sdl"
904 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
905 ffserver_extralibs='$ldl'
906 vhook_extralibs='$ldl'
907
908
909 # default parameters
910
911 logfile="config.err"
912
913 # installation paths
914 prefix_default="/usr/local"
915 bindir_default='${prefix}/bin'
916 incdir_default='${prefix}/include'
917 libdir_default='${prefix}/lib'
918 mandir_default='${prefix}/share/man'
919 shlibdir_default="$libdir_default"
920
921 # toolchain
922 cc="gcc"
923 ar="ar"
924 nm="nm"
925 ranlib="ranlib"
926 strip="strip"
927 asmalign_pot="unknown"
928 ln_s="ln -sf"
929
930 # machine
931 arch=`uname -m`
932 cpu="generic"
933
934 # OS
935 target_os=$(tolower $(uname -s))
936
937 # libraries
938 enable bzlib
939 enable zlib
940
941 # configurable options
942 enable debug
943 enable ffmpeg
944 enable ffplay
945 enable ffserver
946 enable ipv6
947 enable mpegaudio_hp
948 enable network
949 enable optimizations
950 enable protocols
951 enable static
952 enable stripping
953 vhook="default"
954
955 # build settings
956 SHFLAGS='-shared -Wl,-soname,$$(@F)'
957 VHOOKSHFLAGS='$(SHFLAGS)'
958 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
959 FFSERVERLDFLAGS=-Wl,-E
960 LIBPREF="lib"
961 LIBSUF=".a"
962 FULLNAME='$(NAME)$(BUILDSUF)'
963 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
964 SLIBPREF="lib"
965 SLIBSUF=".so"
966 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
967 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
968 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
969 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
970
971 # gcc stupidly only outputs the basename of targets with -MM
972 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/,"'
973
974 # find source path
975 source_path="`dirname \"$0\"`"
976 enable source_path_used
977 if test -z "$source_path" -o "$source_path" = "." ; then
978 source_path="`pwd`"
979 disable source_path_used
980 else
981 source_path="`cd \"$source_path\"; pwd`"
982 echo "$source_path" | grep -q '[[:blank:]]' &&
983 die "Out of tree builds are impossible with whitespace in source path."
984 fi
985
986 FFMPEG_CONFIGURATION="$@"
987
988 find_things(){
989 thing=$1
990 pattern=$2
991 file=$source_path/$3
992 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
993 }
994
995 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
996 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
997 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
998 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
999 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1000 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1001 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1002 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1003 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1004 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1005
1006 enable $ARCH_EXT_LIST \
1007 $DECODER_LIST \
1008 $ENCODER_LIST \
1009 $PARSER_LIST \
1010 $BSF_LIST \
1011 $DEMUXER_LIST \
1012 $MUXER_LIST \
1013 $FILTER_LIST \
1014 $PROTOCOL_LIST \
1015 $INDEV_LIST \
1016 $OUTDEV_LIST \
1017
1018 die_unknown(){
1019 echo "Unknown option \"$1\"."
1020 echo "See $0 --help for available options."
1021 exit 1
1022 }
1023
1024 show_list() {
1025 suffix=_$1
1026 shift
1027 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1028 exit 0
1029 }
1030
1031 for opt do
1032 optval="${opt#*=}"
1033 case "$opt" in
1034 --extra-cflags=*) add_cflags "$optval"
1035 ;;
1036 --extra-ldflags=*) add_ldflags "$optval"
1037 ;;
1038 --extra-libs=*) add_extralibs "$optval"
1039 ;;
1040 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1041 ;;
1042 --enable-debug=*) debuglevel="$optval"
1043 ;;
1044 --enable-*=*|--disable-*=*)
1045 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1046 case "$thing" in
1047 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1048 *) die_unknown "$opt" ;;
1049 esac
1050 ;;
1051 --enable-?*|--disable-?*)
1052 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1053 if is_in $option $COMPONENT_LIST; then
1054 eval $action \$$(toupper ${option%s})_LIST
1055 elif is_in $option $CMDLINE_SELECT; then
1056 $action $option
1057 else
1058 die_unknown $opt
1059 fi
1060 ;;
1061 --list-*)
1062 NAME="${opt#--list-}"
1063 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1064 NAME=${NAME%s}
1065 eval show_list $NAME \$$(toupper $NAME)_LIST
1066 ;;
1067 --help|-h) show_help
1068 ;;
1069 *)
1070 optname="${opt%=*}"
1071 optname="${optname#--}"
1072 optname=$(echo "$optname" | sed 's/-/_/g')
1073 is_in $optname $CMDLINE_SET || die_unknown $opt
1074 eval $optname='$optval'
1075 ;;
1076 esac
1077 done
1078
1079 disabled logging && logfile=/dev/null
1080
1081 echo "# $0 $@" > $logfile
1082 set >> $logfile
1083
1084 cc="${cross_prefix}${cc}"
1085 ar="${cross_prefix}${ar}"
1086 nm="${cross_prefix}${nm}"
1087 ranlib="${cross_prefix}${ranlib}"
1088 strip="${cross_prefix}${strip}"
1089
1090 # set temporary file name
1091 if test ! -z "$TMPDIR" ; then
1092 TMPDIR1="${TMPDIR}"
1093 elif test ! -z "$TEMPDIR" ; then
1094 TMPDIR1="${TEMPDIR}"
1095 else
1096 TMPDIR1="/tmp"
1097 fi
1098
1099 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1100 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1101 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1102 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1103 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1104 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1105
1106 case "$arch" in
1107 i386|i486|i586|i686|i86pc|BePC)
1108 arch="x86_32"
1109 enable fast_unaligned
1110 ;;
1111 x86_64|amd64)
1112 arch="x86_32"
1113 enable fast_unaligned
1114 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1115 int test[sizeof(char*) - 7];
1116 EOF
1117 ;;
1118 # armv4l is a subset of armv[567]*l
1119 arm|armv[4567]*l)
1120 arch="armv4l"
1121 ;;
1122 alpha)
1123 arch="alpha"
1124 enable fast_64bit
1125 ;;
1126 "Power Macintosh"|ppc|powerpc)
1127 arch="powerpc"
1128 ;;
1129 ppc64)
1130 arch="powerpc"
1131 enable fast_64bit
1132 ;;
1133 mips|mipsel|IP*)
1134 arch="mips"
1135 ;;
1136 sun4u|sparc64)
1137 arch="sparc64"
1138 enable fast_64bit
1139 ;;
1140 sparc)
1141 arch="sparc"
1142 ;;
1143 sh4)
1144 arch="sh4"
1145 ;;
1146 parisc)
1147 arch="parisc"
1148 ;;
1149 parisc64)
1150 arch="parisc"
1151 enable fast_64bit
1152 ;;
1153 s390|s390x)
1154 arch="s390"
1155 ;;
1156 m68k)
1157 arch="m68k"
1158 ;;
1159 ia64)
1160 arch="ia64"
1161 enable fast_64bit
1162 ;;
1163 bfin)
1164 arch="bfin"
1165 ;;
1166 *)
1167 arch="unknown"
1168 ;;
1169 esac
1170
1171 enable $arch
1172 enabled_any x86_32 x86_64 && enable x86
1173 enabled sparc64 && enable sparc
1174
1175 # OS specific
1176 case $target_os in
1177 beos|haiku|zeta)
1178 prefix_default="$HOME/config"
1179 # helps building libavcodec
1180 add_cflags "-DPIC -fomit-frame-pointer"
1181 # 3 gcc releases known for BeOS, each with ugly bugs
1182 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1183 case "$gcc_version" in
1184 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1185 disable mmx
1186 ;;
1187 *20010315*) echo "BeBits gcc"
1188 add_cflags "-fno-expensive-optimizations"
1189 ;;
1190 esac
1191 SHFLAGS=-nostart
1192 # enable BeOS things
1193 enable audio_beos
1194 # no need for libm, but the inet stuff
1195 # Check for BONE
1196 # XXX: actually should check for NOT net_server
1197 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1198 network_extralibs="-lbind -lsocket"
1199 else
1200 enable beos_netserver
1201 network_extralibs="-lnet"
1202 fi ;;
1203 sunos)
1204 FFSERVERLDFLAGS=""
1205 SHFLAGS='-shared -Wl,-h,$$(@F)'
1206 network_extralibs="-lsocket -lnsl"
1207 ;;
1208 netbsd)
1209 oss_demuxer_extralibs="-lossaudio"
1210 oss_muxer_extralibs="-lossaudio"
1211 ;;
1212 openbsd)
1213 disable need_memalign
1214 LIBOBJFLAGS='$(PIC)'
1215 SHFLAGS='-shared'
1216 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1217 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1218 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1219 oss_demuxer_extralibs="-lossaudio"
1220 oss_muxer_extralibs="-lossaudio"
1221 ;;
1222 freebsd)
1223 disable need_memalign
1224 ;;
1225 bsd/os)
1226 osextralibs="-lpoll -lgnugetopt"
1227 strip="strip -d"
1228 ;;
1229 darwin)
1230 disable need_memalign
1231 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1232 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1233 strip="strip -x"
1234 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1235 SLIBSUF=".dylib"
1236 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1237 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1238 FFSERVERLDFLAGS=-Wl,-bind_at_load
1239 ;;
1240 mingw32*)
1241 target_os=mingw32
1242 LIBTARGET=i386
1243 if test $arch = x86_64; then
1244 disable need_memalign
1245 LIBTARGET=x64
1246 fi
1247 shlibdir_default="$bindir_default"
1248 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1249 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1250 if enabled swscale; then
1251 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1252 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1253 fi
1254 disable ffserver
1255 SLIBPREF=""
1256 SLIBSUF=".dll"
1257 EXESUF=".exe"
1258 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1259 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1260 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1261 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1262 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1263 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1264 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1265 ;;
1266 cygwin*)
1267 target_os=cygwin
1268 shlibdir_default="$bindir_default"
1269 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1270 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1271 if enabled swscale; then
1272 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1273 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1274 fi
1275 EXESUF=".exe"
1276 SLIBPREF="cyg"
1277 SLIBSUF=".dll"
1278 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1279 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1280 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1281 ;;
1282 *-dos|freedos|opendos)
1283 disable ffplay ffserver vhook
1284 disable $INDEV_LIST $OUTDEV_LIST
1285 network_extralibs="-lsocket"
1286 EXESUF=".exe"
1287 ;;
1288 linux)
1289 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1290 enable dv1394
1291 ;;
1292 irix*)
1293 target_os=irix
1294 ranlib="echo ignoring ranlib"
1295 ;;
1296 os/2*)
1297 strip="lxlite"
1298 ln_s="cp -f"
1299 EXESUF=".exe"
1300 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1301 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1302 FFSERVERLDFLAGS=""
1303 LIBSUF="_s.a"
1304 SLIBPREF=""
1305 SLIBSUF=".dll"
1306 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1307 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1308 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1309 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1310 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1311 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1312 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1313 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1314 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1315 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1316 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1317 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1318 disable vhook
1319 ;;
1320 interix)
1321 disable vhook
1322 ;;
1323
1324 *)
1325 target_os="${target_os}-UNKNOWN"
1326 ;;
1327 esac
1328
1329 set_default $PATHS_LIST
1330
1331 add_extralibs $osextralibs
1332
1333 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1334 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1335
1336 test -n "$cross_prefix" && enable cross_compile
1337
1338 # we need to build at least one lib type
1339 if ! enabled_any static shared; then
1340 cat <<EOF
1341 At least one library type must be built.
1342 Specify --enable-static to build the static libraries or --enable-shared to
1343 build the shared libraries as well. To only build the shared libraries specify
1344 --disable-static in addition to --enable-shared.
1345 EOF
1346 exit 1;
1347 fi
1348
1349 disabled static && LIBNAME=""
1350
1351 if enabled_any libfaad libfaadbin ; then
1352 if check_header faad.h; then
1353 check_cc << EOF
1354 #include <faad.h>
1355 #ifndef FAAD2_VERSION
1356 ok faad1
1357 #endif
1358 int main(void) { return 0; }
1359 EOF
1360 test $? = 0 && enable libfaad2
1361 else
1362 die "FAAD test failed."
1363 fi
1364 fi
1365
1366
1367 if ! enabled gpl; then
1368 die_gpl_disabled(){
1369 name=$1
1370 shift
1371 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1372 }
1373 die_gpl_disabled "The Postprocessing code" postproc
1374 die_gpl_disabled "liba52" liba52
1375 die_gpl_disabled "libx264" libx264
1376 die_gpl_disabled "libxvidcore" libxvid
1377 die_gpl_disabled "FAAD2" libfaad2
1378 die_gpl_disabled "The X11 grabber" x11grab
1379 die_gpl_disabled "The software scaler" swscale
1380 fi
1381
1382 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1383 die "libamr is nonfree and --enable-nonfree is not specified."
1384 fi
1385
1386 check_deps $ARCH_EXT_LIST
1387
1388 test -z "$need_memalign" && need_memalign="$mmx"
1389
1390 #Darwin CC versions
1391 if test $target_os = darwin; then
1392 if $cc -v 2>&1 | grep -q xlc; then
1393 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1394 else
1395 add_cflags "-pipe"
1396 check_cflags "-force_cpusubtype_ALL"
1397 check_cflags "-Wno-sign-compare"
1398 enabled shared || check_cflags -mdynamic-no-pic
1399 fi
1400 fi
1401
1402 disabled optimizations || add_cflags -fomit-frame-pointer
1403
1404 # Add processor-specific flags
1405 if test $cpu != "generic"; then
1406 warn_altivec(){
1407 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1408 }
1409 case $cpu in
1410 601|ppc601|PowerPC601)
1411 add_cflags "-mcpu=601"
1412 warn_altivec enabled PPC601
1413 ;;
1414 603*|ppc603*|PowerPC603*)
1415 add_cflags "-mcpu=603"
1416 warn_altivec enabled PPC603
1417 ;;
1418 604*|ppc604*|PowerPC604*)
1419 add_cflags "-mcpu=604"
1420 warn_altivec enabled PPC604
1421 ;;
1422 G3|g3|75*|ppc75*|PowerPC75*)
1423 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1424 warn_altivec enabled PPC75x
1425 ;;
1426 G4|g4|745*|ppc745*|PowerPC745*)
1427 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1428 warn_altivec disabled PPC745x
1429 ;;
1430 74*|ppc74*|PowerPC74*)
1431 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1432 warn_altivec disabled PPC74xx
1433 ;;
1434 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1435 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1436 warn_altivec disabled PPC970
1437 enable ppc64
1438 ;;
1439 Cell|CELL|cell)
1440 add_cflags "-mcpu=cell"
1441 warn_altivec disabled Cell
1442 enable ppc64
1443 ;;
1444 # targets that do NOT support conditional mov (cmov)
1445 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1446 add_cflags "-march=$cpu"
1447 disable cmov
1448 ;;
1449 # targets that do support conditional mov (cmov)
1450 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1451 add_cflags "-march=$cpu"
1452 enable cmov
1453 enable fast_cmov
1454 ;;
1455 # targets that do support conditional mov but on which it's slow
1456 pentium4|pentium4m|prescott|nocona)
1457 add_cflags "-march=$cpu"
1458 enable cmov
1459 disable fast_cmov
1460 ;;
1461 sparc64)
1462 add_cflags "-mcpu=v9"
1463 ;;
1464 arm*|cortex*)
1465 add_cflags "-mcpu=$cpu"
1466 ;;
1467 *)
1468 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1469 ;;
1470 esac
1471 fi
1472
1473 # make sure we can execute files in $TMPDIR
1474 cat > $TMPSH 2>> $logfile <<EOF
1475 #! /bin/sh
1476 EOF
1477 chmod +x $TMPSH >> $logfile 2>&1
1478 if ! $TMPSH >> $logfile 2>&1; then
1479 cat <<EOF
1480 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1481 variable to another directory and make sure that $TMPDIR1 is not mounted
1482 noexec.
1483 EOF
1484 die "Sanity test failed."
1485 fi
1486 rm $TMPSH
1487
1488 # compiler sanity check
1489 check_exec <<EOF
1490 int main(void){ return 0; }
1491 EOF
1492 if test "$?" != 0; then
1493 echo "$cc is unable to create an executable file."
1494 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1495 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1496 echo "Only do this if you know what cross compiling means."
1497 fi
1498 die "C compiler test failed."
1499 fi
1500
1501 check_cc <<EOF || die "Symbol mangling check failed."
1502 int ff_extern;
1503 EOF
1504 sym=$($nm -P -g $TMPO | grep ff_extern)
1505 extern_prefix=${sym%%ff_extern*}
1506
1507 check_asm inline_asm '""'
1508
1509 if enabled x86; then
1510 # check whether EBP is available on x86
1511 # As 'i' is stored on the stack, this program will crash
1512 # if the base pointer is used to access it because the
1513 # base pointer is cleared in the inline assembly code.
1514 check_exec_crash <<EOF && enable ebp_available
1515 volatile int i=0;
1516 asm volatile (
1517 "xorl %%ebp, %%ebp"
1518 ::: "%ebp");
1519 return i;
1520 EOF
1521
1522 # check wether EBX is available on x86
1523 check_asm ebx_available '"":::"%ebx"'
1524
1525 # check whether binutils is new enough to compile SSSE3/MMX2
1526 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1527 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1528
1529 check_asm bswap '"bswap %%eax" ::: "%eax"'
1530 fi
1531
1532 # check for assembler specific support
1533
1534 if test $arch = "powerpc"; then
1535 check_cc <<EOF && enable dcbzl
1536 int main(void) {
1537 register long zero = 0;
1538 char data[1024];
1539 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1540 return 0;
1541 }
1542 EOF
1543 fi
1544
1545 # check for SIMD availability
1546
1547 # AltiVec flags: The FSF version of GCC differs from the Apple version
1548 if enabled altivec; then
1549 check_cflags -maltivec -mabi=altivec &&
1550 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1551 check_cflags -faltivec
1552
1553 # check if our compiler supports Motorola AltiVec C API
1554 check_cc <<EOF || disable altivec
1555 $inc_altivec_h
1556 int main(void) {
1557 vector signed int v1, v2, v3;
1558 v1 = vec_add(v2,v3);
1559 return 0;
1560 }
1561 EOF
1562
1563 # check if our compiler supports braces for vector declarations
1564 check_cc <<EOF && enable altivec_vector_braces
1565 $inc_altivec_h
1566 #define AVV(x...) {x}
1567 int main (void) { (vector int) AVV(1); return 0; }
1568 EOF
1569 fi
1570
1571 # We have to check if pld is a nop and disable it.
1572 enabled armv4l && check_asm pld '"pld [r0]"'
1573 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1574 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1575 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1576 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1577 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1578 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1579 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1580
1581 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1582
1583 # ---
1584 # big/little-endian test
1585 check_cc <<EOF || die "endian test failed"
1586 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1587 EOF
1588 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1589
1590 # ---
1591 # check availability of some header files
1592
1593 if check_func dlopen; then
1594 ldl=
1595 elif check_func dlopen -ldl; then
1596 ldl=-ldl
1597 fi
1598
1599 check_func fork
1600 check_func gethrtime
1601 check_func getrusage
1602 check_func inet_aton $network_extralibs
1603 check_func memalign
1604 check_func mkstemp
1605 check_func2 windows.h GetProcessTimes
1606
1607 check_header byteswap.h
1608 check_header conio.h
1609 check_header dlfcn.h
1610 check_header malloc.h
1611 check_header sys/mman.h
1612 check_header sys/resource.h
1613 check_header termios.h
1614
1615 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1616 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1617 fi
1618
1619 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1620 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1621
1622 # ffserver uses poll(),
1623 # if it's not found we can emulate it using select().
1624 if enabled ffserver; then
1625 check_header poll.h
1626 check_header sys/select.h
1627 fi
1628
1629 # check for some common methods of building with pthread support
1630 # do this before the optional library checks as some of them require pthreads
1631 if enabled pthreads; then
1632 if check_func pthread_create; then
1633 :
1634 elif check_func pthread_create -pthread; then
1635 add_cflags -pthread
1636 add_extralibs -pthread
1637 elif check_func pthread_create -pthreads; then
1638 add_cflags -pthreads
1639 add_extralibs -pthreads
1640 elif check_func pthread_create -lpthreadGC2; then
1641 add_extralibs -lpthreadGC2
1642 elif ! check_lib pthread.h pthread_create -lpthread; then
1643 die "ERROR: can't find pthreads library"
1644 fi
1645 fi
1646
1647 for thread in $THREADS_LIST; do
1648 if enabled $thread; then
1649 test -n "$thread_type" &&
1650 die "ERROR: Only one thread type must be selected." ||
1651 thread_type="$thread"
1652 fi
1653 done
1654
1655 check_lib math.h sin -lm
1656
1657 # test for C99 functions in math.h
1658 for func in llrint lrint lrintf round roundf; do
1659 check_exec <<EOF && enable $func || disable $func
1660 #define _ISOC9X_SOURCE 1
1661 #include <math.h>
1662 int main(void) { return ($func(3.999f) > 0)?0:1; }
1663 EOF
1664 done
1665
1666 # these are off by default, so fail if requested and not available
1667 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1668 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1669 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1670 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1671 enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1672 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1673 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1674 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1675 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1676 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1677 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1678 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1679 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1680 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1681 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1682 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1683 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1684 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1685 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1686
1687 # disable the native AC-3 decoder if liba52 is enabled
1688 enabled liba52 && disable ac3_decoder
1689
1690 # disable the slower libdirac decoder if libschroedinger is enabled
1691 enabled libschroedinger && enabled libdirac && disable libdirac_decoder
1692
1693 # libdc1394 check
1694 if enabled libdc1394; then
1695 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1696 enable libdc1394_2; } ||
1697 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1698 enable libdc1394_1; } ||
1699 die "ERROR: No version of libdc1394 found "
1700 fi
1701
1702
1703 _restrict=
1704 for restrict_keyword in restrict __restrict__ __restrict; do
1705 check_cc <<EOF && _restrict=$restrict_keyword && break
1706 void foo(char * $restrict_keyword p);
1707 EOF
1708 done
1709
1710 test "$vhook" = "default" && vhook="$dlopen"
1711
1712 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1713 disable vhook
1714 echo
1715 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1716 echo "Patches welcome."
1717 echo
1718 fi
1719
1720 if enabled vhook; then
1721 check_ldflags -rdynamic
1722 check_ldflags -export-dynamic
1723 fi
1724
1725 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1726 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1727
1728 ##########################################
1729 # SDL check
1730
1731 disable sdl_too_old
1732 disable sdl
1733 SDL_CONFIG="${cross_prefix}sdl-config"
1734 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1735 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1736 temp_cflags $sdl_cflags
1737 temp_extralibs `"${SDL_CONFIG}" --libs`
1738 if check_lib2 SDL.h SDL_Init; then
1739 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1740 if test "$_sdlversion" -lt 121 ; then
1741 enable sdl_too_old
1742 else
1743 enable sdl
1744 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1745 #include <SDL.h>
1746 int main(int argc, char **argv){
1747 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1748 int w = vi->current_w;
1749 return 0;
1750 }
1751 EOF
1752 fi
1753 fi
1754 restore_flags
1755 fi
1756
1757 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1758
1759 check_type sys/socket.h socklen_t
1760
1761 ##########################################
1762 # Network check
1763
1764 if enabled network; then
1765 # Prefer arpa/inet.h over winsock2
1766 if check_header arpa/inet.h ; then
1767 check_func closesocket
1768 elif check_header winsock2.h ; then
1769 network_extralibs="-lws2_32"
1770 check_type ws2tcpip.h socklen_t
1771 check_func2 winsock2.h closesocket
1772 fi
1773 fi
1774
1775 ##########################################
1776 # IPv6 check
1777
1778 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1779 #include <sys/types.h>
1780 #include <sys/socket.h>
1781 #include <netinet/in.h>
1782 #include <netdb.h>
1783 int main(void) {
1784 struct sockaddr_storage saddr;
1785 struct ipv6_mreq mreq6;
1786 getaddrinfo(0,0,0,0);
1787 getnameinfo(0,0,0,0,0,0,0);
1788 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1789 }
1790 EOF
1791
1792 check_header linux/videodev.h
1793 check_header linux/videodev2.h
1794
1795 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1796
1797 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1798 { check_header dev/bktr/ioctl_meteor.h &&
1799 check_header dev/bktr/ioctl_bt848.h; } ||
1800 { check_header machine/ioctl_meteor.h &&
1801 check_header machine/ioctl_bt848.h; } ||
1802 { check_header dev/video/meteor/ioctl_meteor.h &&
1803 check_header dev/video/bktr/ioctl_bt848.h; } ||
1804 check_header dev/ic/bt8xx.h
1805
1806 check_header sys/soundcard.h
1807 check_header soundcard.h
1808
1809 # deal with the X11 frame grabber
1810 enabled x11grab &&
1811 check_header X11/Xlib.h &&
1812 check_header X11/extensions/XShm.h &&
1813 check_func XOpenDisplay -lX11 &&
1814 check_func XShmCreateImage -lX11 -lXext
1815
1816 enabled debug && add_cflags -g"$debuglevel"
1817
1818 # add some useful compiler flags if supported
1819 check_cflags -Wdeclaration-after-statement
1820 check_cflags -Wall
1821 check_cflags -Wno-switch
1822 check_cflags -Wdisabled-optimization
1823 check_cflags -Wpointer-arith
1824 check_cflags -Wredundant-decls
1825 check_cflags -Wno-pointer-sign
1826 check_cflags -Wcast-qual
1827 check_cflags -Wwrite-strings
1828 check_cflags -Wtype-limits
1829 enabled extra_warnings && check_cflags -Winline
1830
1831 # add some linker flags
1832 check_ldflags -Wl,--warn-common
1833 check_ldflags $LDLATEFLAGS
1834 check_ldflags -Wl,-Bsymbolic
1835
1836 if enabled small; then
1837 check_cflags -Os # not all compilers support -Os
1838 optimizations="small"
1839 elif enabled optimizations; then
1840 if $cc -v 2>&1 | grep -q xlc; then
1841 add_cflags "-O5"
1842 add_ldflags "-O5"
1843 else
1844 add_cflags "-O3"
1845 fi
1846 fi
1847 check_cflags -fno-math-errno
1848 check_cflags -fno-signed-zeros
1849
1850 # add some flags for Intel C Compiler
1851 if $cc --version | grep -q Intel; then
1852 # Just warnings, no remarks
1853 check_cflags -w1
1854 # -wd: Disable following warnings
1855 # 144, 167, 556: -Wno-pointer-sign
1856 # 10006: ignoring unknown option -fno-signed-zeros
1857 # 10156: ignoring option '-W'; no argument required
1858 check_cflags -wd144,167,556,10006,10156
1859 # 11030: Warning unknown option --as-needed
1860 # 10156: ignoring option '-export'; no argument required
1861 check_ldflags -wd10156,11030
1862 # Allow to compile with optimizations
1863 check_ldflags -march=$cpu
1864 fi
1865
1866 # PIC flags for shared library objects where they are needed
1867 if enabled shared; then
1868 # LIBOBJFLAGS may have already been set in the OS configuration
1869 if test -z "$LIBOBJFLAGS" ; then
1870 case "$arch" in
1871 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1872 esac
1873 fi
1874 fi
1875
1876 if enabled gprof; then
1877 add_cflags "-p"
1878 add_ldflags "-p"
1879 fi
1880
1881 VHOOKCFLAGS="-fPIC"
1882
1883 # Find out if the .align argument is a power of two or not.
1884 if test $asmalign_pot = "unknown"; then
1885 disable asmalign_pot
1886 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1887 fi
1888
1889 enabled_any $DECODER_LIST && enable decoders
1890 enabled_any $ENCODER_LIST && enable encoders
1891 enabled_any $BSF_LIST && enable bsfs
1892 enabled_any $DEMUXER_LIST && enable demuxers
1893 enabled_any $MUXER_LIST && enable muxers
1894 enabled_any $FILTER_LIST && enable filters
1895 enabled_any $INDEV_LIST && enable demuxers
1896 enabled_any $OUTDEV_LIST && enable muxers
1897 enabled_any $PROTOCOL_LIST && enable protocols
1898
1899 enabled_any $THREADS_LIST && enable threads
1900
1901 check_deps $CONFIG_LIST \
1902 $HAVE_LIST \
1903 $DECODER_LIST \
1904 $ENCODER_LIST \
1905 $PARSER_LIST \
1906 $BSF_LIST \
1907 $DEMUXER_LIST \
1908 $MUXER_LIST \
1909 $FILTER_LIST \
1910 $INDEV_LIST \
1911 $OUTDEV_LIST \
1912 $PROTOCOL_LIST \
1913
1914 enabled libdc1394 && append pkg_requires "libraw1394"
1915 enabled libdirac && append pkg_requires "dirac"
1916 enabled libtheora && append pkg_requires "theora"
1917 enabled libvorbis && append pkg_requires "vorbisenc"
1918
1919 echo "install prefix $prefix"
1920 echo "source path $source_path"
1921 echo "C compiler $cc"
1922 echo ".align is power-of-two $asmalign_pot"
1923 echo "ARCH $arch ($cpu)"
1924 if test "$build_suffix" != ""; then
1925 echo "build suffix $build_suffix"
1926 fi
1927 echo "big-endian ${bigendian-no}"
1928 if test $arch = "x86_32" -o $arch = "x86_64"; then
1929 echo "MMX enabled ${mmx-no}"
1930 echo "CMOV enabled ${cmov-no}"
1931 echo "CMOV is fast ${fast_cmov-no}"
1932 echo "EBX available ${ebx_available-no}"
1933 echo "EBP available ${ebp_available-no}"
1934 fi
1935 if test $arch = "armv4l"; then
1936 echo "ARMv5TE enabled ${armv5te-no}"
1937 echo "ARMv6 enabled ${armv6-no}"
1938 echo "ARM VFP enabled ${armvfp-no}"
1939 echo "IWMMXT enabled ${iwmmxt-no}"
1940 echo "NEON enabled ${neon-no}"
1941 fi
1942 if test $arch = "mips"; then
1943 echo "MMI enabled ${mmi-no}"
1944 fi
1945 if test $arch = "powerpc"; then
1946 echo "AltiVec enabled ${altivec-no}"
1947 echo "dcbzl available ${dcbzl-no}"
1948 fi
1949 echo "gprof enabled ${gprof-no}"
1950 echo "debug symbols ${debug-no}"
1951 echo "strip symbols ${stripping-no}"
1952 echo "optimizations ${optimizations-no}"
1953 echo "static ${static-no}"
1954 echo "shared ${shared-no}"
1955 echo "postprocessing support ${postproc-no}"
1956 echo "software scaler enabled ${swscale-no}"
1957 echo "new filter support ${avfilter-no}"
1958 echo "filters using lavformat ${avfilter_lavf-no}"
1959 echo "video hooking ${vhook-no}"
1960 if enabled vhook; then
1961 echo "Imlib2 support ${imlib2-no}"
1962 echo "FreeType support ${freetype2-no}"
1963 fi
1964 echo "network support ${network-no}"
1965 if enabled network; then
1966 echo "IPv6 support ${ipv6-no}"
1967 fi
1968 echo "threading support ${thread_type-no}"
1969 echo "SDL support ${sdl-no}"
1970 if enabled sdl_too_old; then
1971 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1972 fi
1973 echo "Sun medialib support ${mlib-no}"
1974 echo "AVISynth enabled ${avisynth-no}"
1975 echo "liba52 support ${liba52-no}"
1976 echo "liba52 dlopened ${liba52bin-no}"
1977 echo "libamr-nb support ${libamr_nb-no}"
1978 echo "libamr-wb support ${libamr_wb-no}"
1979 echo "libdc1394 support ${libdc1394-no}"
1980 echo "libdirac enabled ${libdirac-no}"
1981 echo "libfaac enabled ${libfaac-no}"
1982 echo "libfaad enabled ${libfaad-no}"
1983 echo "libfaad dlopened ${libfaadbin-no}"
1984 echo "libgsm enabled ${libgsm-no}"
1985 echo "libmp3lame enabled ${libmp3lame-no}"
1986 echo "libnut enabled ${libnut-no}"
1987 echo "libschroedinger enabled ${libschroedinger-no}"
1988 echo "libtheora enabled ${libtheora-no}"
1989 echo "libvorbis enabled ${libvorbis-no}"
1990 echo "libx264 enabled ${libx264-no}"
1991 echo "libxvid enabled ${libxvid-no}"
1992 echo "zlib enabled ${zlib-no}"
1993 echo "bzlib enabled ${bzlib-no}"
1994 echo
1995
1996 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1997 echo "Enabled ${type}s:"
1998 eval list=\$$(toupper $type)_LIST
1999 for part in $list; do
2000 enabled $part && echo ${part%_*}
2001 done | sort | pr -3 -t
2002 echo
2003 done
2004
2005 license="LGPL"
2006 if enabled nonfree; then
2007 license="unredistributable"
2008 elif enabled gpl; then
2009 license="GPL"
2010 fi
2011
2012 echo "License: $license"
2013
2014 echo "Creating config.mak and config.h..."
2015
2016 echo "# Automatically generated by configure - do not modify!" > config.mak
2017 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2018 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2019 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2020 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2021
2022 echo "prefix=$prefix" >> config.mak
2023 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2024 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2025 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2026 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2027 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2028 echo "CC=$cc" >> config.mak
2029 echo "AR=$ar" >> config.mak
2030 echo "RANLIB=$ranlib" >> config.mak
2031 echo "LN_S=$ln_s" >> config.mak
2032 enabled stripping &&
2033 echo "STRIP=$strip" >> config.mak ||
2034 echo "STRIP=echo ignoring strip" >> config.mak
2035
2036 echo "OPTFLAGS=$CFLAGS" >> config.mak
2037 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2038 echo "LDFLAGS=$LDFLAGS" >> config.mak
2039 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2040 echo "SHFLAGS=$SHFLAGS" >> config.mak
2041 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2042 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2043 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2044 echo "BUILD_STATIC=$static" >> config.mak
2045 echo "BUILDSUF=$build_suffix" >> config.mak
2046 echo "FULLNAME=$FULLNAME" >> config.mak
2047 echo "LIBPREF=$LIBPREF" >> config.mak
2048 echo "LIBSUF=$LIBSUF" >> config.mak
2049 echo "LIBNAME=$LIBNAME" >> config.mak
2050 echo "SLIBPREF=$SLIBPREF" >> config.mak
2051 echo "SLIBSUF=$SLIBSUF" >> config.mak
2052 echo "EXESUF=$EXESUF" >> config.mak
2053 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2054
2055 if enabled bigendian; then
2056 echo "WORDS_BIGENDIAN=yes" >> config.mak
2057 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2058 fi
2059
2060 if enabled sdl; then
2061 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2062 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2063 fi
2064 if enabled texi2html; then
2065 echo "BUILD_DOC=yes" >> config.mak
2066 fi
2067
2068 get_version(){
2069 name=$1
2070 file=$source_path/$2
2071 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2072 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2073 lcname=$(tolower $name)
2074 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2075 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2076 }
2077
2078 get_version LIBSWSCALE libswscale/swscale.h
2079 get_version LIBPOSTPROC libpostproc/postprocess.h
2080 get_version LIBAVCODEC libavcodec/avcodec.h
2081 get_version LIBAVDEVICE libavdevice/avdevice.h
2082 get_version LIBAVFORMAT libavformat/avformat.h
2083 get_version LIBAVUTIL libavutil/avutil.h
2084 get_version LIBAVFILTER libavfilter/avfilter.h
2085
2086 if enabled shared; then
2087 echo "BUILD_SHARED=yes" >> config.mak
2088 echo "PIC=-fPIC -DPIC" >> config.mak
2089 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2090 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2091 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2092 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2093 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2094 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2095 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2096 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2097 fi
2098 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2099 echo "EXTRALIBS=$extralibs" >> config.mak
2100
2101 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2102 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2103 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2104 $DECODER_LIST \
2105 $ENCODER_LIST \
2106 $PARSER_LIST \
2107 $BSF_LIST \
2108 $DEMUXER_LIST \
2109 $MUXER_LIST \
2110 $FILTER_LIST \
2111 $PROTOCOL_LIST \
2112 $INDEV_LIST \
2113 $OUTDEV_LIST \
2114
2115 echo "#define restrict $_restrict" >> $TMPH
2116
2117 if enabled small; then
2118 echo "#define av_always_inline" >> $TMPH
2119 fi
2120
2121 echo "SRC_PATH=\"$source_path\"" >> config.mak
2122 echo "SRC_PATH_BARE=$source_path" >> config.mak
2123 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2124
2125 # Apparently it's not possible to portably echo a backslash.
2126 enabled asmalign_pot &&
2127 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2128 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2129
2130 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2131
2132 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2133
2134 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2135 cmp -s $TMPH config.h &&
2136 echo "config.h is unchanged" ||
2137 mv -f $TMPH config.h
2138
2139 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2140
2141 # build tree in object directory if source path is different from current one
2142 if enabled source_path_used; then
2143 DIRS="\
2144 doc \
2145 libavcodec \
2146 libavcodec/alpha \
2147 libavcodec/armv4l \
2148 libavcodec/bfin \
2149 libavcodec/i386 \
2150 libavcodec/mlib \
2151 libavcodec/ppc \
2152 libavcodec/sh4 \
2153 libavcodec/sparc \
2154 libavdevice \
2155 libavfilter \
2156 libavformat \
2157 libavutil \
2158 libpostproc \
2159 libswscale \
2160 tests \
2161 tools \
2162 vhook \
2163 "
2164 FILES="\
2165 Makefile \
2166 common.mak \
2167 subdir.mak \
2168 doc/texi2pod.pl \
2169 libavcodec/Makefile \
2170 libavdevice/Makefile \
2171 libavfilter/Makefile \
2172 libavformat/Makefile \
2173 libavutil/Makefile \
2174 libpostproc/Makefile \
2175 libswscale/Makefile \
2176 "
2177 for dir in $DIRS ; do
2178 mkdir -p $dir
2179 done
2180 for f in $FILES ; do
2181 $ln_s "$source_path/$f" $f
2182 done
2183 fi
2184
2185
2186 # build pkg-config files
2187
2188 pkgconfig_generate(){
2189 name=$1
2190 shortname=${name#lib}
2191 comment=$2
2192 version=$3
2193 libs=$4
2194 requires=$5
2195 cat <<EOF > $name/$name.pc
2196 prefix=$prefix
2197 exec_prefix=\${prefix}
2198 libdir=$libdir
2199 includedir=$incdir
2200
2201 Name: $name
2202 Description: $comment
2203 Version: $version
2204 Requires: $(disabled shared && echo $requires)
2205 Requires.private: $(enabled shared && echo $requires)
2206 Conflicts:
2207 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2208 Libs.private: $(enabled shared && echo $libs)
2209 Cflags: -I\${includedir}
2210 EOF
2211 cat <<EOF > $name/$name-uninstalled.pc
2212 prefix=
2213 exec_prefix=
2214 libdir=\${pcfiledir}/$name
2215 includedir=\${pcfiledir}
2216
2217 Name: $name
2218 Description: $comment
2219 Version: $version
2220 Requires: $requires
2221 Conflicts:
2222 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2223 Cflags: -I\${includedir}
2224 EOF
2225 }
2226
2227 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2228 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2229 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2230 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2231 enabled avfilter &&
2232 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2233 enabled postproc &&
2234 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2235 if enabled swscale; then
2236 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2237 else
2238 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2239 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2240 fi