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