Correctly handle empty frames
[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 " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
65 echo " --enable-static build static libraries [default=yes]"
66 echo " --disable-static do not build static libraries [default=no]"
67 echo " --enable-shared build shared libraries [default=no]"
68 echo " --disable-shared do not build shared libraries [default=yes]"
69 echo " --enable-gpl allow use of GPL code, the resulting libav*"
70 echo " and ffmpeg will be under GPL [default=no]"
71 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
72 echo " and ffmpeg will be unredistributable [default=no]"
73 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
74 echo " --enable-swscaler software scaler support [default=no]"
75 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
76 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
77 echo " --enable-beosthreads use BeOS threads [default=no]"
78 echo " --enable-os2threads use OS/2 threads [default=no]"
79 echo " --enable-pthreads use pthreads [default=no]"
80 echo " --enable-w32threads use Win32 threads [default=no]"
81 echo " --enable-x11grab enable X11 grabbing [default=no]"
82 echo
83 echo "External library support:"
84 echo " --enable-sunmlib use Sun medialib [default=no]"
85 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
86 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
87 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
88 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
89 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
90 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
91 echo " and libraw1394 [default=no]"
92 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
93 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
94 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
95 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
96 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
97 echo " --enable-libnut enable NUT (de)muxing via libnut,"
98 echo " native demuxer exists [default=no]"
99 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
100 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
101 echo " native implementation exists [default=no]"
102 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
103 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
104 echo " native MPEG-4/Xvid encoder exists [default=no]"
105 echo ""
106 echo "Advanced options (experts only):"
107 echo " --source-path=PATH path to source code [$source_path]"
108 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --target-os=OS compiler targets OS [$targetos]"
111 echo " --cc=CC use C compiler CC [$cc]"
112 echo " --make=MAKE use specified make [$make]"
113 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
114 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
115 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
116 echo " --build-suffix=SUFFIX suffix for application specific build []"
117 echo " --arch=ARCH select architecture [$arch]"
118 echo " --cpu=CPU selects the minimum cpu required (affects"
119 echo " instruction selection, may crash on older CPUs)"
120 echo " --enable-powerpc-perf enable performance report on PPC"
121 echo " (requires enabling PMC)"
122 echo " --disable-mmx disable MMX usage"
123 echo " --disable-armv5te disable armv5te usage"
124 echo " --disable-armv6 disable armv6 usage"
125 echo " --disable-iwmmxt disable iwmmxt usage"
126 echo " --disable-altivec disable AltiVec usage"
127 echo " --disable-network disable network support [default=no]"
128 echo " --disable-ipv6 disable ipv6 support [default=no]"
129 echo " --disable-zlib disable zlib [default=no]"
130 echo " --disable-vhook disable video hooking support"
131 echo " --disable-debug disable debugging symbols"
132 echo " --disable-mpegaudio-hp faster (but less accurate)"
133 echo " MPEG audio decoding [default=no]"
134 echo " --enable-gray enable full grayscale support (slower color)"
135 echo " --disable-ffmpeg disable ffmpeg build"
136 echo " --disable-ffserver disable ffserver build"
137 echo " --disable-ffplay disable ffplay build"
138 echo " --enable-small optimize for size instead of speed"
139 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
140 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
141 echo " --disable-encoder=NAME disables encoder NAME"
142 echo " --enable-encoder=NAME enables encoder NAME"
143 echo " --disable-decoder=NAME disables decoder NAME"
144 echo " --enable-decoder=NAME enables decoder NAME"
145 echo " --disable-encoders disables all encoders"
146 echo " --disable-decoders disables all decoders"
147 echo " --disable-muxer=NAME disables muxer NAME"
148 echo " --enable-muxer=NAME enables muxer NAME"
149 echo " --disable-muxers disables all muxers"
150 echo " --disable-demuxer=NAME disables demuxer NAME"
151 echo " --enable-demuxer=NAME enables demuxer NAME"
152 echo " --disable-demuxers disables all demuxers"
153 echo " --enable-parser=NAME enables parser NAME"
154 echo " --disable-parser=NAME disables parser NAME"
155 echo " --disable-parsers disables all parsers"
156 echo " --enable-bsf=NAME enables bitstream filter NAME"
157 echo " --disable-bsf=NAME disables bitstream filter NAME"
158 echo " --disable-bsfs disables all bitstream filters"
159 echo " --enable-protocol=NAME enables protocol NAME"
160 echo " --disable-protocol=NAME disables protocol NAME"
161 echo " --disable-protocols disables all protocols"
162 echo " --disable-devices disables all devices"
163 echo " --list-decoders show all available decoders"
164 echo " --list-encoders show all available encoders"
165 echo " --list-muxers show all available muxers"
166 echo " --list-demuxers show all available demuxers"
167 echo " --list-parsers show all available parsers"
168 echo " --list-protocols show all available protocols"
169 echo " --list-bsfs show all available bitstream filters"
170 echo " --list-indevs show all available input devices"
171 echo " --list-outdevs show all available output devices"
172 echo
173 echo "Developer options (useful when working on FFmpeg itself):"
174 echo " --enable-gprof enable profiling with gprof [$gprof]"
175 echo " --disable-optimizations disable compiler optimizations"
176 echo " --enable-extra-warnings enable more compiler warnings"
177 echo " --disable-strip disable stripping of executables and shared libraries"
178 echo ""
179 echo "NOTE: Object files are built at the place where configure is launched."
180 exit 1
181 }
182
183 log(){
184 echo "$@" >>$logfile
185 }
186
187 log_file(){
188 log BEGIN $1
189 pr -n -t $1 >>$logfile
190 log END $1
191 }
192
193 echolog(){
194 log "$@"
195 echo "$@"
196 }
197
198 die(){
199 echolog "$@"
200 cat <<EOF
201 If you think configure made a mistake, make sure you are using the latest
202 version from SVN. If the latest version fails, report the problem to the
203 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
204 EOF
205 if enabled logging; then
206 cat <<EOF
207 Include the log file "$logfile" produced by configure as this will help
208 solving the problem.
209 EOF
210 else
211 cat <<EOF
212 Rerun configure with logging enabled (do not use --log=no), and include the
213 log this produces with your report.
214 EOF
215 fi
216 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
217 exit 1
218 }
219
220 # Avoid locale weirdness, besides we really just want to translate ASCII.
221 toupper(){
222 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
223 }
224
225 tolower(){
226 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
227 }
228
229 set_all(){
230 value=$1
231 shift
232 for var in $*; do
233 eval $var=$value
234 done
235 }
236
237 pushvar(){
238 for var in $*; do
239 eval level=\${${var}_level:=0}
240 eval ${var}_${level}="\$$var"
241 eval ${var}_level=$(($level+1))
242 done
243 }
244
245 popvar(){
246 for var in $*; do
247 eval level=\${${var}_level:-0}
248 test $level = 0 && continue
249 eval level=$(($level-1))
250 eval $var="\${${var}_${level}}"
251 eval ${var}_level=$level
252 eval unset ${var}_${level}
253 done
254 }
255
256 enable(){
257 set_all yes $*
258 }
259
260 disable(){
261 set_all no $*
262 }
263
264 enabled(){
265 eval test "x\$$1" = "xyes"
266 }
267
268 disabled(){
269 eval test "x\$$1" = "xno"
270 }
271
272 enabled_all(){
273 for opt; do
274 enabled $opt || return 1
275 done
276 }
277
278 disabled_all(){
279 for opt; do
280 disabled $opt || return 1
281 done
282 }
283
284 enabled_any(){
285 for opt; do
286 enabled $opt && return 0
287 done
288 }
289
290 disabled_any(){
291 for opt; do
292 disabled $opt && return 0
293 done
294 }
295
296 is_in(){
297 value=$1
298 shift
299 for var in $*; do
300 [ $var = $value ] && return 0
301 done
302 return 1
303 }
304
305 check_deps(){
306 for cfg; do
307 enabled ${cfg}_checking && die "Circular dependency for $cfg."
308 disabled ${cfg}_checking && continue
309 enable ${cfg}_checking
310
311 eval dep_all="\$${cfg}_deps"
312 eval dep_any="\$${cfg}_deps_any"
313
314 pushvar cfg dep_all dep_any
315 check_deps $dep_all $dep_any
316 popvar cfg dep_all dep_any
317
318 enabled_all $dep_all || disable $cfg
319 enabled_any $dep_any || disable $cfg
320
321 if enabled $cfg; then
322 eval dep_extralibs="\$${cfg}_extralibs"
323 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
324 fi
325
326 disable ${cfg}_checking
327 done
328 }
329
330 print_config(){
331 pfx=$1
332 header=$2
333 makefile=$3
334 shift 3
335 for cfg; do
336 ucname="`toupper $cfg`"
337 if enabled $cfg; then
338 echo "#define ${pfx}${ucname} 1" >> $header
339 echo "#define ENABLE_${ucname} 1" >> $header
340 echo "${pfx}${ucname}=yes" >> $makefile
341 else
342 echo "#define ENABLE_${ucname} 0" >> $header
343 fi
344 done
345 }
346
347 flags_saved(){
348 (: ${SAVE_CFLAGS?}) 2>/dev/null
349 }
350
351 save_flags(){
352 flags_saved && return
353 SAVE_CFLAGS="$CFLAGS"
354 SAVE_LDFLAGS="$LDFLAGS"
355 SAVE_extralibs="$extralibs"
356 }
357
358 restore_flags(){
359 flags_saved || return
360 CFLAGS="$SAVE_CFLAGS"
361 LDFLAGS="$SAVE_LDFLAGS"
362 extralibs="$SAVE_extralibs"
363 unset SAVE_CFLAGS
364 unset SAVE_LDFLAGS
365 unset SAVE_extralibs
366 }
367
368 temp_cflags(){
369 save_flags
370 CFLAGS="$CFLAGS $*"
371 }
372
373 temp_ldflags(){
374 save_flags
375 LDFLAGS="$LDFLAGS $*"
376 }
377
378 temp_extralibs(){
379 save_flags
380 extralibs="$extralibs $*"
381 }
382
383 append(){
384 var=$1
385 shift
386 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
387 eval "$var=\"\$$var $*\""
388 }
389
390 add_cflags(){
391 append CFLAGS "$@"
392 }
393
394 add_ldflags(){
395 append LDFLAGS "$@"
396 }
397
398 add_extralibs(){
399 append extralibs "$@"
400 }
401
402 check_cmd(){
403 log "$@"
404 "$@" >>$logfile 2>&1
405 }
406
407 check_cc(){
408 log check_cc "$@"
409 cat >$TMPC
410 log_file $TMPC
411 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
412 }
413
414 check_cpp(){
415 log check_cpp "$@"
416 cat >$TMPC
417 log_file $TMPC
418 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
419 }
420
421 check_asm(){
422 log check_asm "$@"
423 name="$1"
424 asm="$2"
425 shift 2
426 check_cc "$@" <<EOF && enable $name || disable $name
427 int foo(void){
428 asm volatile($asm);
429 }
430 EOF
431 }
432
433 check_ld(){
434 log check_ld "$@"
435 check_cc || return
436 flags=''
437 libs=''
438 for f; do
439 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
440 done
441 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
442 }
443
444 check_cflags(){
445 log check_cflags "$@"
446 check_cc "$@" <<EOF && add_cflags "$@"
447 int x;
448 EOF
449 }
450
451 check_ldflags(){
452 log check_ldflags "$@"
453 check_ld "$@" <<EOF && add_ldflags "$@"
454 int main(void){
455 return 0;
456 }
457 EOF
458 }
459
460 check_header(){
461 log check_header "$@"
462 header=$1
463 shift
464 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
465 disable $var
466 check_cpp "$@" <<EOF && enable $var
467 #include <$header>
468 int x;
469 EOF
470 }
471
472 check_func(){
473 log check_func "$@"
474 func=$1
475 shift
476 disable $func
477 check_ld "$@" <<EOF && enable $func
478 extern int $func();
479 int main(void){
480 $func();
481 }
482 EOF
483 }
484
485 check_func2(){
486 log check_func2 "$@"
487 headers=$1
488 func=$2
489 shift 2
490 disable $func
491 incs=""
492 for hdr in $headers; do
493 incs="$incs
494 #include <$hdr>"
495 done
496 check_ld "$@" <<EOF && enable $func
497 $incs
498 int main(int argc, char **argv){
499 (void) $func;
500 return 0;
501 }
502 EOF
503 }
504
505 check_lib(){
506 log check_lib "$@"
507 header="$1"
508 func="$2"
509 shift 2
510 temp_extralibs "$@"
511 check_header $header && check_func $func && add_extralibs "$@"
512 err=$?
513 restore_flags
514 return $err
515 }
516
517 check_lib2(){
518 log check_lib2 "$@"
519 headers="$1"
520 func="$2"
521 shift 2
522 temp_extralibs "$@"
523 check_func2 "$headers" $func && add_extralibs "$@"
524 err=$?
525 restore_flags
526 return $err
527 }
528
529 check_exec(){
530 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
531 }
532
533 check_exec_crash(){
534 code=`cat`
535
536 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
537 # are safe but may not be available everywhere. Thus we use
538 # raise(SIGTERM) instead. The check is run in a subshell so we
539 # can redirect the "Terminated" message from the shell. SIGBUS
540 # is not defined by standard C so it is used conditionally.
541
542 (check_exec "$@") >>$logfile 2>&1 <<EOF
543 #include <signal.h>
544 static void sighandler(int sig){
545 raise(SIGTERM);
546 }
547 int main(void){
548 signal(SIGILL, sighandler);
549 signal(SIGFPE, sighandler);
550 signal(SIGSEGV, sighandler);
551 #ifdef SIGBUS
552 signal(SIGBUS, sighandler);
553 #endif
554 { $code }
555 }
556 EOF
557 }
558
559 check_type(){
560 log check_type "$@"
561 headers=$1
562 type=$2
563 shift 2
564 disable $type
565 incs=""
566 for hdr in $headers; do
567 incs="$incs
568 #include <$hdr>"
569 done
570 check_cc "$@" <<EOF && enable $type
571 $incs
572 $type v;
573 EOF
574 }
575
576 require(){
577 name="$1"
578 header="$2"
579 func="$3"
580 shift 3
581 check_lib $header $func "$@" || die "ERROR: $name not found"
582 }
583
584 require2(){
585 name="$1"
586 headers="$2"
587 func="$3"
588 shift 3
589 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
590 }
591
592 check_foo_config(){
593 cfg=$1
594 pkg=$2
595 header=$3
596 func=$4
597 shift 4
598 disable $cfg
599 check_cmd ${pkg}-config --version
600 err=$?
601 if test "$err" = 0; then
602 temp_cflags `${pkg}-config --cflags`
603 temp_extralibs `${pkg}-config --libs`
604 check_lib "$@" $header $func && enable $cfg
605 fi
606 return $err
607 }
608
609 apply(){
610 file=$1
611 shift
612 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
613 }
614
615 COMPONENT_LIST="
616 bsfs
617 decoders
618 demuxers
619 encoders
620 filters
621 indevs
622 muxers
623 outdevs
624 parsers
625 protocols
626 "
627
628 CONFIG_LIST="
629 $COMPONENT_LIST
630 avfilter
631 avfilter_lavf
632 avisynth
633 beos_netserver
634 ffmpeg
635 ffplay
636 ffserver
637 gpl
638 gprof
639 gray
640 hardcoded_tables
641 ipv6
642 liba52
643 liba52bin
644 libamr_nb
645 libamr_wb
646 libdc1394
647 libfaac
648 libfaad
649 libfaadbin
650 libgsm
651 libmp3lame
652 libnut
653 libtheora
654 libvorbis
655 libx264
656 libxvid
657 memalign_hack
658 mpegaudio_hp
659 network
660 nonfree
661 postproc
662 powerpc_perf
663 small
664 swscaler
665 vhook
666 x11grab
667 zlib
668 "
669
670 THREADS_LIST='
671 beosthreads
672 os2threads
673 pthreads
674 w32threads
675 '
676
677 ARCH_LIST='
678 alpha
679 armv4l
680 bfin
681 ia64
682 m68k
683 mips
684 parisc
685 powerpc
686 s390
687 sh4
688 sparc
689 sparc64
690 x86
691 x86_32
692 x86_64
693 '
694
695 ARCH_EXT_LIST='
696 altivec
697 armv5te
698 armv6
699 iwmmxt
700 mmi
701 mmx
702 ssse3
703 vis
704 '
705
706 HAVE_LIST="
707 $ARCH_EXT_LIST
708 $THREADS_LIST
709 altivec_h
710 arpa_inet_h
711 bswap
712 byteswap_h
713 closesocket
714 cmov
715 conio_h
716 dcbzl
717 dev_bktr_ioctl_bt848_h
718 dev_bktr_ioctl_meteor_h
719 dev_ic_bt8xx_h
720 dev_video_meteor_ioctl_meteor_h
721 dev_video_bktr_ioctl_bt848_h
722 dlfcn_h
723 dlopen
724 ebp_available
725 ebx_available
726 fast_64bit
727 fast_cmov
728 fast_unaligned
729 fork
730 freetype2
731 gethrtime
732 GetProcessTimes
733 getrusage
734 imlib2
735 inet_aton
736 inline_asm
737 libdc1394_1
738 libdc1394_2
739 llrint
740 lrint
741 lrintf
742 machine_ioctl_bt848_h
743 machine_ioctl_meteor_h
744 malloc_h
745 memalign
746 mkstemp
747 mlib
748 ppc64
749 round
750 roundf
751 sdl
752 sdl_video_size
753 socklen_t
754 soundcard_h
755 poll_h
756 sys_select_h
757 sys_soundcard_h
758 termios_h
759 threads
760 winsock2_h
761 "
762
763 CMDLINE_SELECT="
764 $ARCH_EXT_LIST
765 $CONFIG_LIST
766 $THREADS_LIST
767 debug
768 extra_warnings
769 optimizations
770 shared
771 static
772 "
773
774 # code dependency declarations
775
776 # architecture extensions
777 altivec_deps="powerpc"
778 armv5te_deps="armv4l"
779 armv6_deps="armv4l"
780 iwmmxt_deps="armv4l"
781 mmi_deps="mips"
782 mmx_deps="x86"
783 ssse3_deps="x86"
784 vis_deps="sparc"
785
786 # decoders / encoders
787 ac3_decoder_deps="gpl"
788 dxa_decoder_deps="zlib"
789 flashsv_decoder_deps="zlib"
790 flashsv_encoder_deps="zlib"
791 mpeg_xvmc_decoder_deps="xvmc"
792 png_decoder_deps="zlib"
793 png_encoder_deps="zlib"
794 zmbv_decoder_deps="zlib"
795 zmbv_encoder_deps="zlib"
796
797 # external libraries
798 liba52_decoder_deps="liba52"
799 liba52bin_decoder_extralibs='$ldl'
800 libamr_nb_decoder_deps="libamr_nb"
801 libamr_nb_encoder_deps="libamr_nb"
802 libamr_wb_decoder_deps="libamr_wb"
803 libamr_wb_encoder_deps="libamr_wb"
804 libfaac_encoder_deps="libfaac"
805 libfaad_decoder_deps="libfaad"
806 libfaadbin_decoder_extralibs='$ldl'
807 libgsm_decoder_deps="libgsm"
808 libgsm_encoder_deps="libgsm"
809 libgsm_ms_decoder_deps="libgsm"
810 libgsm_ms_encoder_deps="libgsm"
811 libmp3lame_encoder_deps="libmp3lame"
812 libtheora_encoder_deps="libtheora"
813 libvorbis_encoder_deps="libvorbis"
814 libx264_encoder_deps="libx264"
815 libxvid_encoder_deps="libxvid"
816 mpeg4aac_decoder_deps="libfaad"
817
818 # demuxers / muxers
819 ac3_demuxer_deps="ac3_parser"
820 audio_beos_demuxer_deps="audio_beos"
821 audio_beos_demuxer_extralibs="-lmedia -lbe"
822 audio_beos_muxer_deps="audio_beos"
823 audio_beos_muxer_extralibs="-lmedia -lbe"
824 avisynth_demuxer_deps="avisynth"
825 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
826 dv1394_demuxer_deps="dv1394 dv_demuxer"
827 libdc1394_demuxer_deps="libdc1394"
828 libnut_demuxer_deps="libnut"
829 libnut_muxer_deps="libnut"
830 mp3_demuxer_deps="mpegaudio_parser"
831 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
832 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
833 redir_demuxer_deps="network"
834 rtp_muxer_deps="network rtp_protocol"
835 rtsp_demuxer_deps="sdp_demuxer"
836 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
837 v4l2_demuxer_deps="linux_videodev2_h"
838 v4l_demuxer_deps="linux_videodev_h"
839 vfwcap_demuxer_deps="capCreateCaptureWindow"
840 vfwcap_demuxer_extralibs="-lvfw32"
841 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
842 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
843
844 # protocols
845 http_protocol_deps="network"
846 rtp_protocol_deps="udp_protocol"
847 tcp_protocol_deps="network"
848 udp_protocol_deps="network"
849
850 # filters
851 movie_filter_deps="avfilter_lavf"
852
853 # programs
854 ffplay_deps="sdl"
855 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
856 ffserver_extralibs='$ldl'
857 vhook_extralibs='$ldl'
858
859
860 # set temporary file name
861 if test ! -z "$TMPDIR" ; then
862 TMPDIR1="${TMPDIR}"
863 elif test ! -z "$TEMPDIR" ; then
864 TMPDIR1="${TEMPDIR}"
865 else
866 TMPDIR1="/tmp"
867 fi
868
869 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
870 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
871 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
872 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
873 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
874
875 # default parameters
876
877 enable logging
878 logfile="config.err"
879
880 # installation paths
881 PREFIX="/usr/local"
882 libdir='$(PREFIX)/lib'
883 shlibdir="$libdir"
884 incdir='$(PREFIX)/include'
885 mandir='$(PREFIX)/share/man'
886 bindir='$(PREFIX)/bin'
887
888 # toolchain
889 cc="gcc"
890 ar="ar"
891 ranlib="ranlib"
892 make="make"
893 strip="strip"
894 asmalign_pot="unknown"
895 ln_s="ln -sf"
896
897 # machine
898 arch=`uname -m`
899 cpu="generic"
900
901 # OS
902 targetos=$(tolower $(uname -s))
903
904 # libraries
905 enable zlib
906
907 # configurable options
908 enable debug
909 enable dostrip
910 enable ffmpeg
911 enable ffplay
912 enable ffserver
913 enable ipv6
914 enable static
915 enable mpegaudio_hp
916 enable network
917 enable optimizations
918 enable protocols
919 vhook="default"
920
921 # build settings
922 SHFLAGS='-shared -Wl,-soname,$@'
923 VHOOKSHFLAGS='$(SHFLAGS)'
924 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
925 FFSERVERLDFLAGS=-Wl,-E
926 LIBPREF="lib"
927 LIBSUF=".a"
928 FULLNAME='$(NAME)$(BUILDSUF)'
929 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
930 SLIBPREF="lib"
931 SLIBSUF=".so"
932 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
933 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
934 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
935 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
936
937 # find source path
938 source_path="`dirname \"$0\"`"
939 enable source_path_used
940 if test -z "$source_path" -o "$source_path" = "." ; then
941 source_path="`pwd`"
942 disable source_path_used
943 else
944 source_path="`cd \"$source_path\"; pwd`"
945 echo "$source_path" | grep -q '[[:blank:]]' &&
946 die "Out of tree builds are impossible with whitespace in source path."
947 fi
948
949 FFMPEG_CONFIGURATION="$@"
950
951 find_things(){
952 thing=$1
953 pattern=$2
954 file=$source_path/$3
955 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
956 }
957
958 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
959 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
960 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
961 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
962 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
963 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
964 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
965 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
966 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
967 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
968
969 enable $ARCH_EXT_LIST \
970 $DECODER_LIST \
971 $ENCODER_LIST \
972 $PARSER_LIST \
973 $BSF_LIST \
974 $DEMUXER_LIST \
975 $MUXER_LIST \
976 $FILTER_LIST \
977 $PROTOCOL_LIST \
978 $INDEV_LIST \
979 $OUTDEV_LIST \
980
981 die_unknown(){
982 echo "Unknown option \"$1\"."
983 echo "See $0 --help for available options."
984 exit 1
985 }
986
987 show_list() {
988 suffix=_$1
989 shift
990 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
991 exit 0
992 }
993
994 for opt do
995 optval="${opt#*=}"
996 case "$opt" in
997 --log)
998 ;;
999 --log=*) logging="$optval"
1000 ;;
1001 --prefix=*) PREFIX="$optval"
1002 ;;
1003 --libdir=*) libdir="$optval"
1004 ;;
1005 --shlibdir=*) shlibdir="$optval"
1006 ;;
1007 --incdir=*) incdir="$optval"
1008 ;;
1009 --mandir=*) mandir="$optval"
1010 ;;
1011 --source-path=*) source_path="$optval"
1012 ;;
1013 --cross-prefix=*) cross_prefix="$optval"
1014 ;;
1015 --cross-compile) enable cross_compile
1016 ;;
1017 --target-os=*) targetos="$optval"
1018 ;;
1019 --cc=*) cc="$optval"
1020 ;;
1021 --make=*) make="$optval"
1022 ;;
1023 --extra-cflags=*) add_cflags "$optval"
1024 ;;
1025 --extra-ldflags=*) add_ldflags "$optval"
1026 ;;
1027 --extra-libs=*) add_extralibs "$optval"
1028 ;;
1029 --build-suffix=*) BUILDSUF="$optval"
1030 ;;
1031 --arch=*) arch="$optval"
1032 ;;
1033 --cpu=*) cpu="$optval"
1034 ;;
1035 --enable-sunmlib) enable mlib
1036 ;;
1037 --disable-strip) disable dostrip
1038 ;;
1039 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1040 ;;
1041 --enable-debug=*) debuglevel="$optval"
1042 ;;
1043 --enable-*=*|--disable-*=*)
1044 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1045 case "$thing" in
1046 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1047 *) die_unknown "$opt" ;;
1048 esac
1049 ;;
1050 --enable-?*|--disable-?*)
1051 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1052 if is_in $option $COMPONENT_LIST; then
1053 eval $action \$$(toupper ${option%s})_LIST
1054 elif is_in $option $CMDLINE_SELECT; then
1055 $action $option
1056 else
1057 die_unknown $opt
1058 fi
1059 ;;
1060 --list-*)
1061 NAME="${opt#--list-}"
1062 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1063 NAME=${NAME%s}
1064 eval show_list $NAME \$$(toupper $NAME)_LIST
1065 ;;
1066 --help|-h) show_help
1067 ;;
1068 *)
1069 die_unknown $opt
1070 ;;
1071 esac
1072 done
1073
1074 case "$arch" in
1075 i386|i486|i586|i686|i86pc|BePC)
1076 arch="x86_32"
1077 enable fast_unaligned
1078 ;;
1079 x86_64|amd64)
1080 arch="x86_32"
1081 enable fast_unaligned
1082 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1083 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1084 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1085 arch="x86_64"
1086 enable fast_64bit
1087 fi
1088 fi
1089 ;;
1090 # armv4l is a subset of armv[567]*l
1091 arm|armv[4567]*l)
1092 arch="armv4l"
1093 ;;
1094 alpha)
1095 arch="alpha"
1096 enable fast_64bit
1097 ;;
1098 "Power Macintosh"|ppc|powerpc)
1099 arch="powerpc"
1100 ;;
1101 ppc64)
1102 arch="powerpc"
1103 enable fast_64bit
1104 ;;
1105 mips|mipsel|IP*)
1106 arch="mips"
1107 ;;
1108 sun4u|sparc64)
1109 arch="sparc64"
1110 enable fast_64bit
1111 ;;
1112 sparc)
1113 arch="sparc"
1114 ;;
1115 sh4)
1116 arch="sh4"
1117 ;;
1118 parisc)
1119 arch="parisc"
1120 ;;
1121 parisc64)
1122 arch="parisc"
1123 enable fast_64bit
1124 ;;
1125 s390|s390x)
1126 arch="s390"
1127 ;;
1128 m68k)
1129 arch="m68k"
1130 ;;
1131 ia64)
1132 arch="ia64"
1133 enable fast_64bit
1134 ;;
1135 bfin)
1136 arch="bfin"
1137 ;;
1138 *)
1139 arch="unknown"
1140 ;;
1141 esac
1142
1143 enable $arch
1144 enabled_any x86_32 x86_64 && enable x86
1145 enabled sparc64 && enable sparc
1146
1147 # OS specific
1148 case $targetos in
1149 beos|haiku|zeta)
1150 PREFIX="$HOME/config"
1151 # helps building libavcodec
1152 add_cflags "-DPIC -fomit-frame-pointer"
1153 # 3 gcc releases known for BeOS, each with ugly bugs
1154 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1155 case "$gcc_version" in
1156 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1157 disable mmx
1158 ;;
1159 *20010315*) echo "BeBits gcc"
1160 add_cflags "-fno-expensive-optimizations"
1161 ;;
1162 esac
1163 SHFLAGS=-nostart
1164 # enable BeOS things
1165 enable audio_beos
1166 # no need for libm, but the inet stuff
1167 # Check for BONE
1168 # XXX: actually should check for NOT net_server
1169 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1170 network_extralibs="-lbind -lsocket"
1171 else
1172 enable beos_netserver
1173 network_extralibs="-lnet"
1174 fi ;;
1175 sunos)
1176 FFSERVERLDFLAGS=""
1177 SHFLAGS='-shared -Wl,-h,$@'
1178 network_extralibs="-lsocket -lnsl"
1179 ;;
1180 netbsd)
1181 oss_demuxer_extralibs="-lossaudio"
1182 oss_muxer_extralibs="-lossaudio"
1183 ;;
1184 openbsd)
1185 disable need_memalign
1186 LIBOBJFLAGS='$(PIC)'
1187 SHFLAGS='-shared'
1188 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1189 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1190 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1191 oss_demuxer_extralibs="-lossaudio"
1192 oss_muxer_extralibs="-lossaudio"
1193 ;;
1194 freebsd)
1195 disable need_memalign
1196 ;;
1197 bsd/os)
1198 osextralibs="-lpoll -lgnugetopt"
1199 strip="strip -d"
1200 ;;
1201 darwin)
1202 disable need_memalign
1203 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(SPPVERSION),-compatibility_version,$(SPPVERSION) -Wl,-read_only_relocs,suppress'
1204 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1205 strip="strip -x"
1206 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1207 SLIBSUF=".dylib"
1208 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1209 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1210 FFSERVERLDFLAGS=-Wl,-bind_at_load
1211 ;;
1212 mingw32*)
1213 targetos=mingw32
1214 shlibdir="$bindir"
1215 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1216 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1217 if enabled swscaler; then
1218 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1219 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1220 fi
1221 disable ffserver
1222 SLIBPREF=""
1223 SLIBSUF=".dll"
1224 EXESUF=".exe"
1225 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1226 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1227 SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1228 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1229 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1230 SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1231 ;;
1232 cygwin*)
1233 targetos=cygwin
1234 shlibdir="$bindir"
1235 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1236 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1237 if enabled swscaler; then
1238 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1239 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1240 fi
1241 EXESUF=".exe"
1242 SLIBPREF="cyg"
1243 SLIBSUF=".dll"
1244 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1245 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1246 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1247 ;;
1248 *-dos|freedos|opendos)
1249 disable ffplay ffserver vhook
1250 disable $INDEV_LIST $OUTDEV_LIST
1251 network_extralibs="-lsocket"
1252 EXESUF=".exe"
1253 ;;
1254 linux)
1255 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1256 enable dv1394
1257 ;;
1258 irix*)
1259 targetos=irix
1260 ranlib="echo ignoring ranlib"
1261 ;;
1262 os/2*)
1263 ar="emxomfar -p256"
1264 ranlib="echo ignoring ranlib"
1265 strip="lxlite"
1266 ln_s="cp -f"
1267 add_cflags "-Zomf"
1268 EXESUF=".exe"
1269 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1270 SHFLAGS='$(NAME).def -Zdll -Zomf'
1271 FFSERVERLDFLAGS=""
1272 LIBSUF="_s.lib"
1273 SLIBPREF=""
1274 SLIBSUF=".dll"
1275 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1276 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1277 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
1278 echo PROTMODE >> $(NAME).def; \
1279 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
1280 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
1281 echo EXPORTS >> $(NAME).def; \
1282 emxexp -o $(OBJS) >> $(NAME).def'
1283 SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
1284 emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
1285 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1286 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1287 disable vhook
1288 ;;
1289 interix)
1290 disable vhook
1291 ;;
1292
1293 *)
1294 targetos="${targetos}-UNKNOWN"
1295 ;;
1296 esac
1297
1298 add_extralibs $osextralibs
1299
1300 if ! disabled logging ; then
1301 enabled logging || logfile="$logging"
1302 echo "# $0 $@" >$logfile
1303 set >>$logfile
1304 else
1305 logfile=/dev/null
1306 fi
1307
1308 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1309 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1310
1311 test -n "$cross_prefix" && enable cross_compile
1312 cc="${cross_prefix}${cc}"
1313 ar="${cross_prefix}${ar}"
1314 ranlib="${cross_prefix}${ranlib}"
1315 strip="${cross_prefix}${strip}"
1316
1317 # we need to build at least one lib type
1318 if ! enabled_any static shared; then
1319 cat <<EOF
1320 At least one library type must be built.
1321 Specify --enable-static to build the static libraries or --enable-shared to
1322 build the shared libraries as well. To only build the shared libraries specify
1323 --disable-static in addition to --enable-shared.
1324 EOF
1325 exit 1;
1326 fi
1327
1328 disabled static && LIBNAME=""
1329
1330 if enabled_any libfaad libfaadbin ; then
1331 if check_header faad.h; then
1332 check_cc << EOF
1333 #include <faad.h>
1334 #ifndef FAAD2_VERSION
1335 ok faad1
1336 #endif
1337 int main(void) { return 0; }
1338 EOF
1339 test $? = 0 && enable libfaad2
1340 else
1341 die "FAAD test failed."
1342 fi
1343 fi
1344
1345
1346 if ! enabled gpl; then
1347 die_gpl_disabled(){
1348 name=$1
1349 shift
1350 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1351 }
1352 die_gpl_disabled "The Postprocessing code" postproc
1353 die_gpl_disabled "liba52" liba52
1354 die_gpl_disabled "libx264" libx264
1355 die_gpl_disabled "libxvidcore" libxvid
1356 die_gpl_disabled "FAAD2" libfaad2
1357 die_gpl_disabled "The X11 grabber" x11grab
1358 die_gpl_disabled "The software scaler" swscaler
1359 fi
1360
1361 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1362 die "libamr is nonfree and --enable-nonfree is not specified."
1363 fi
1364
1365 check_deps $ARCH_EXT_LIST
1366
1367 test -z "$need_memalign" && need_memalign="$mmx"
1368
1369 #Darwin CC versions
1370 if test $targetos = darwin; then
1371 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1372 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1373 else
1374 add_cflags "-pipe"
1375 check_cflags "-force_cpusubtype_ALL"
1376 check_cflags "-Wno-sign-compare"
1377 disabled shared && add_cflags -mdynamic-no-pic
1378 fi
1379 fi
1380
1381 disabled optimizations || add_cflags -fomit-frame-pointer
1382
1383 # Add processor-specific flags
1384 if test $cpu != "generic"; then
1385 warn_altivec(){
1386 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1387 }
1388 case $cpu in
1389 601|ppc601|PowerPC601)
1390 add_cflags "-mcpu=601"
1391 warn_altivec enabled PPC601
1392 ;;
1393 603*|ppc603*|PowerPC603*)
1394 add_cflags "-mcpu=603"
1395 warn_altivec enabled PPC603
1396 ;;
1397 604*|ppc604*|PowerPC604*)
1398 add_cflags "-mcpu=604"
1399 warn_altivec enabled PPC604
1400 ;;
1401 G3|g3|75*|ppc75*|PowerPC75*)
1402 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1403 warn_altivec enabled PPC75x
1404 ;;
1405 G4|g4|745*|ppc745*|PowerPC745*)
1406 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1407 warn_altivec disabled PPC745x
1408 ;;
1409 74*|ppc74*|PowerPC74*)
1410 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1411 warn_altivec disabled PPC74xx
1412 ;;
1413 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1414 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1415 warn_altivec disabled PPC970
1416 enable ppc64
1417 ;;
1418 Cell|CELL|cell)
1419 add_cflags "-mcpu=cell"
1420 warn_altivec disabled Cell
1421 enable ppc64
1422 ;;
1423 # targets that do NOT support conditional mov (cmov)
1424 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1425 add_cflags "-march=$cpu"
1426 disable cmov
1427 ;;
1428 # targets that do support conditional mov (cmov)
1429 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1430 add_cflags "-march=$cpu"
1431 enable cmov
1432 enable fast_cmov
1433 ;;
1434 # targets that do support conditional mov but on which it's slow
1435 pentium4|pentium4m|prescott|nocona)
1436 add_cflags "-march=$cpu"
1437 enable cmov
1438 disable fast_cmov
1439 ;;
1440 sparc64)
1441 add_cflags "-mcpu=v9"
1442 ;;
1443 arm*)
1444 add_cflags "-mcpu=$cpu"
1445 ;;
1446 *)
1447 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1448 ;;
1449 esac
1450 fi
1451
1452 gnu_make(){
1453 $1 --version 2>&1 | grep -q GNU
1454 }
1455
1456 if ! gnu_make $make; then
1457 gnu_make gmake && make=gmake || die "GNU make not found."
1458 fi
1459
1460 # make sure we can execute files in $TMPDIR
1461 cat >$TMPE 2>>$logfile <<EOF
1462 #! /bin/sh
1463 EOF
1464 chmod +x $TMPE >>$logfile 2>&1
1465 if ! $TMPE >>$logfile 2>&1; then
1466 cat <<EOF
1467 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1468 variable to another directory and make sure that $TMPDIR1 is not mounted
1469 noexec.
1470 EOF
1471 die "Sanity test failed."
1472 fi
1473 rm $TMPE
1474
1475 # compiler sanity check
1476 check_exec <<EOF
1477 int main(void){
1478 return 0;
1479 }
1480 EOF
1481 if test "$?" != 0; then
1482 echo "$cc is unable to create an executable file."
1483 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1484 echo "If $cc is a cross-compiler, use the --cross-compile option."
1485 echo "Only do this if you know what cross compiling means."
1486 fi
1487 die "C compiler test failed."
1488 fi
1489
1490 check_asm inline_asm '""'
1491
1492 if enabled x86; then
1493 # check whether EBP is available on x86
1494 # As 'i' is stored on the stack, this program will crash
1495 # if the base pointer is used to access it because the
1496 # base pointer is cleared in the inline assembly code.
1497 check_exec_crash <<EOF && enable ebp_available
1498 volatile int i=0;
1499 asm volatile (
1500 "xorl %%ebp, %%ebp"
1501 ::: "%ebp");
1502 return i;
1503 EOF
1504
1505 # check wether EBX is available on x86
1506 check_asm ebx_available '"":::"%ebx"'
1507
1508 # check whether binutils is new enough to compile SSSE3
1509 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1510
1511 check_asm bswap '"bswap %%eax" ::: "%eax"'
1512 fi
1513
1514 # check for assembler specific support
1515
1516 if test $arch = "powerpc"; then
1517 check_cc <<EOF && enable dcbzl
1518 int main(void) {
1519 register long zero = 0;
1520 char data[1024];
1521 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1522 return 0;
1523 }
1524 EOF
1525 fi
1526
1527 # check for SIMD availability
1528
1529 # AltiVec flags: The FSF version of GCC differs from the Apple version
1530 if enabled altivec; then
1531 test -n "`$cc -v 2>&1 | grep version | grep Apple`" &&
1532 add_cflags "-faltivec" ||
1533 add_cflags "-maltivec -mabi=altivec"
1534
1535 check_header altivec.h
1536
1537 # check if our compiler supports Motorola AltiVec C API
1538 enabled altivec_h &&
1539 inc_altivec_h="#include <altivec.h>" ||
1540 inc_altivec_h=
1541 check_cc <<EOF || disable altivec
1542 $inc_altivec_h
1543 int main(void) {
1544 vector signed int v1, v2, v3;
1545 v1 = vec_add(v2,v3);
1546 return 0;
1547 }
1548 EOF
1549 fi
1550
1551 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1552 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1553 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1554 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1555 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1556
1557 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1558
1559 # ---
1560 # big/little-endian test
1561 check_cc <<EOF || die "endian test failed"
1562 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1563 EOF
1564 tr -c -d BIGE < $TMPO | grep -q BIGE && enable bigendian
1565
1566 # ---
1567 # check availability of some header files
1568
1569 if check_func dlopen; then
1570 ldl=
1571 elif check_func dlopen -ldl; then
1572 ldl=-ldl
1573 fi
1574
1575 check_func fork
1576 check_func gethrtime
1577 check_func getrusage
1578 check_func inet_aton $network_extralibs
1579 check_func memalign
1580 check_func mkstemp
1581 check_func2 windows.h GetProcessTimes
1582
1583 check_header byteswap.h
1584 check_header conio.h
1585 check_header dlfcn.h
1586 check_header malloc.h
1587 check_header termios.h
1588
1589 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1590 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1591 fi
1592
1593 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1594
1595 # ffserver uses poll(),
1596 # if it's not found we can emulate it using select().
1597 if enabled ffserver; then
1598 check_header poll.h
1599 check_header sys/select.h
1600 fi
1601
1602 # check for some common methods of building with pthread support
1603 # do this before the optional library checks as some of them require pthreads
1604 if enabled pthreads; then
1605 if check_func pthread_create; then
1606 :
1607 elif check_func pthread_create -pthread; then
1608 add_cflags -pthread
1609 add_extralibs -pthread
1610 elif check_func pthread_create -pthreads; then
1611 add_cflags -pthreads
1612 add_extralibs -pthreads
1613 elif ! check_lib pthread.h pthread_create -lpthread; then
1614 die "ERROR: can't find pthreads library"
1615 fi
1616 fi
1617
1618 for thread in $THREADS_LIST; do
1619 if enabled $thread; then
1620 test -n "$thread_type" &&
1621 die "ERROR: Only one thread type must be selected." ||
1622 thread_type="$thread"
1623 fi
1624 done
1625
1626 check_lib math.h sin -lm
1627
1628 # test for C99 functions in math.h
1629 for func in llrint lrint lrintf round roundf; do
1630 check_exec <<EOF && enable $func || disable $func
1631 #define _ISOC9X_SOURCE 1
1632 #include <math.h>
1633 int main(void) { return ($func(3.999f) > 0)?0:1; }
1634 EOF
1635 done
1636
1637 # these are off by default, so fail if requested and not available
1638 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1639 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1640 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1641 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1642 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1643 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1644 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1645 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1646 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1647 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1648 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1649 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1650 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1651 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1652
1653 # disable the native AC-3 decoder if liba52 is enabled
1654 enabled liba52 && disable ac3_decoder
1655
1656 # libdc1394 check
1657 if enabled libdc1394; then
1658 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1659 enable libdc1394_2; } ||
1660 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1661 enable libdc1394_1; } ||
1662 die "ERROR: No version of libdc1394 found "
1663 fi
1664
1665
1666 _restrict=
1667 for restrict_keyword in restrict __restrict__ __restrict; do
1668 check_cc <<EOF && _restrict=$restrict_keyword && break
1669 void foo(char * $restrict_keyword p);
1670 EOF
1671 done
1672
1673 test "$vhook" = "default" && vhook="$dlopen"
1674
1675 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1676 disable vhook
1677 echo
1678 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1679 echo "Patches welcome."
1680 echo
1681 fi
1682
1683 if enabled vhook; then
1684 check_ldflags -rdynamic
1685 check_ldflags -export-dynamic
1686 fi
1687
1688 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1689 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1690
1691 ##########################################
1692 # SDL check
1693
1694 disable sdl_too_old
1695 disable sdl
1696 SDL_CONFIG="${cross_prefix}sdl-config"
1697 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1698 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1699 temp_cflags $sdl_cflags
1700 temp_extralibs `"${SDL_CONFIG}" --libs`
1701 if check_lib2 SDL.h SDL_Init; then
1702 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1703 if test "$_sdlversion" -lt 121 ; then
1704 enable sdl_too_old
1705 else
1706 enable sdl
1707 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1708 #include <SDL.h>
1709 int main(int argc, char **argv){
1710 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1711 int w = vi->current_w;
1712 return 0;
1713 }
1714 EOF
1715 fi
1716 fi
1717 restore_flags
1718 fi
1719
1720 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1721
1722 check_type sys/socket.h socklen_t
1723
1724 ##########################################
1725 # Network check
1726
1727 if enabled network; then
1728 # Prefer arpa/inet.h over winsock2
1729 if check_header arpa/inet.h ; then
1730 check_func closesocket
1731 elif check_header winsock2.h ; then
1732 network_extralibs="-lws2_32"
1733 check_type ws2tcpip.h socklen_t
1734 check_func2 winsock2.h closesocket
1735 fi
1736 fi
1737
1738 ##########################################
1739 # IPv6 check
1740
1741 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1742 #include <sys/types.h>
1743 #include <sys/socket.h>
1744 #include <netinet/in.h>
1745 #include <netdb.h>
1746 int main(void) {
1747 struct sockaddr_storage saddr;
1748 struct ipv6_mreq mreq6;
1749 getaddrinfo(0,0,0,0);
1750 getnameinfo(0,0,0,0,0,0,0);
1751 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1752 }
1753 EOF
1754
1755 check_header linux/videodev.h
1756 check_header linux/videodev2.h
1757
1758 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1759
1760 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1761 { check_header dev/bktr/ioctl_meteor.h &&
1762 check_header dev/bktr/ioctl_bt848.h; } ||
1763 { check_header machine/ioctl_meteor.h &&
1764 check_header machine/ioctl_bt848.h; } ||
1765 { check_header dev/video/meteor/ioctl_meteor.h &&
1766 check_header dev/video/bktr/ioctl_bt848.h; } ||
1767 check_header dev/ic/bt8xx.h
1768
1769 check_header sys/soundcard.h
1770 check_header soundcard.h
1771
1772 # deal with the X11 frame grabber
1773 enabled x11grab &&
1774 check_header X11/Xlib.h &&
1775 check_header X11/extensions/XShm.h &&
1776 check_func XOpenDisplay -lX11 &&
1777 check_func XShmCreateImage -lX11 -lXext
1778
1779 enabled debug && add_cflags -g"$debuglevel"
1780
1781 # add some useful compiler flags if supported
1782 check_cflags -Wdeclaration-after-statement
1783 check_cflags -Wall
1784 check_cflags -Wno-switch
1785 check_cflags -Wdisabled-optimization
1786 check_cflags -Wpointer-arith
1787 check_cflags -Wredundant-decls
1788 check_cflags -Wno-pointer-sign
1789 check_cflags -Wcast-qual
1790 check_cflags -Wwrite-strings
1791 check_cflags -Wtype-limits
1792 enabled extra_warnings && check_cflags -Winline
1793
1794 # add some linker flags
1795 check_ldflags -Wl,--warn-common
1796 check_ldflags $LDLATEFLAGS
1797 check_ldflags -Wl,-Bsymbolic
1798
1799 if enabled small; then
1800 check_cflags -Os # not all compilers support -Os
1801 optimizations="small"
1802 elif enabled optimizations; then
1803 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1804 add_cflags "-O5"
1805 add_ldflags "-O5"
1806 else
1807 add_cflags "-O3"
1808 fi
1809 fi
1810 check_cflags -fno-math-errno
1811 check_cflags -fno-signed-zeros
1812
1813 # PIC flags for shared library objects where they are needed
1814 if enabled shared; then
1815 # LIBOBJFLAGS may have already been set in the OS configuration
1816 if test -z "$LIBOBJFLAGS" ; then
1817 case "$arch" in
1818 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1819 esac
1820 fi
1821 fi
1822
1823 if enabled gprof; then
1824 add_cflags "-p"
1825 add_ldflags "-p"
1826 fi
1827
1828 VHOOKCFLAGS="-fPIC"
1829
1830 # Find out if the .align argument is a power of two or not.
1831 if test $asmalign_pot = "unknown"; then
1832 disable asmalign_pot
1833 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1834 fi
1835
1836 enabled_any $DECODER_LIST && enable decoders
1837 enabled_any $ENCODER_LIST && enable encoders
1838 enabled_any $BSF_LIST && enable bsfs
1839 enabled_any $DEMUXER_LIST && enable demuxers
1840 enabled_any $MUXER_LIST && enable muxers
1841 enabled_any $FILTER_LIST && enable filters
1842 enabled_any $INDEV_LIST && enable demuxers
1843 enabled_any $OUTDEV_LIST && enable muxers
1844 enabled_any $PROTOCOL_LIST && enable protocols
1845
1846 enabled_any $THREADS_LIST && enable threads
1847
1848 check_deps $CONFIG_LIST \
1849 $HAVE_LIST \
1850 $DECODER_LIST \
1851 $ENCODER_LIST \
1852 $PARSER_LIST \
1853 $BSF_LIST \
1854 $DEMUXER_LIST \
1855 $MUXER_LIST \
1856 $FILTER_LIST \
1857 $INDEV_LIST \
1858 $OUTDEV_LIST \
1859 $PROTOCOL_LIST \
1860
1861 enabled libdc1394 && append pkg_requires "libraw1394"
1862 enabled libtheora && append pkg_requires "theora"
1863 enabled libvorbis && append pkg_requires "vorbisenc"
1864
1865 echo "install prefix $PREFIX"
1866 echo "source path $source_path"
1867 echo "C compiler $cc"
1868 echo "make $make"
1869 echo ".align is power-of-two $asmalign_pot"
1870 echo "ARCH $arch ($cpu)"
1871 if test "$BUILDSUF" != ""; then
1872 echo "build suffix $BUILDSUF"
1873 fi
1874 echo "big-endian ${bigendian-no}"
1875 if test $arch = "x86_32" -o $arch = "x86_64"; then
1876 echo "MMX enabled ${mmx-no}"
1877 echo "CMOV enabled ${cmov-no}"
1878 echo "CMOV is fast ${fast_cmov-no}"
1879 echo "EBX available ${ebx_available-no}"
1880 echo "EBP available ${ebp_available-no}"
1881 fi
1882 if test $arch = "armv4l"; then
1883 echo "ARMv5TE enabled ${armv5te-no}"
1884 echo "ARMv6 enabled ${armv6-no}"
1885 echo "IWMMXT enabled ${iwmmxt-no}"
1886 fi
1887 if test $arch = "mips"; then
1888 echo "MMI enabled ${mmi-no}"
1889 fi
1890 if test $arch = "powerpc"; then
1891 echo "AltiVec enabled ${altivec-no}"
1892 echo "dcbzl available ${dcbzl-no}"
1893 fi
1894 echo "gprof enabled ${gprof-no}"
1895 echo "debug symbols ${debug-no}"
1896 echo "strip symbols ${dostrip-no}"
1897 echo "optimizations ${optimizations-no}"
1898 echo "static ${static-no}"
1899 echo "shared ${shared-no}"
1900 echo "postprocessing support ${postproc-no}"
1901 echo "software scaler enabled ${swscaler-no}"
1902 echo "new filter support ${avfilter-no}"
1903 echo "filters using lavformat ${avfilter_lavf-no}"
1904 echo "video hooking ${vhook-no}"
1905 if enabled vhook; then
1906 echo "Imlib2 support ${imlib2-no}"
1907 echo "FreeType support ${freetype2-no}"
1908 fi
1909 echo "network support ${network-no}"
1910 if enabled network; then
1911 echo "IPv6 support ${ipv6-no}"
1912 fi
1913 echo "threading support ${thread_type-no}"
1914 echo "SDL support ${sdl-no}"
1915 if enabled sdl_too_old; then
1916 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1917 fi
1918 echo "Sun medialib support ${mlib-no}"
1919 echo "AVISynth enabled ${avisynth-no}"
1920 echo "liba52 support ${liba52-no}"
1921 echo "liba52 dlopened ${liba52bin-no}"
1922 echo "libamr-nb support ${libamr_nb-no}"
1923 echo "libamr-wb support ${libamr_wb-no}"
1924 echo "libdc1394 support ${libdc1394-no}"
1925 echo "libfaac enabled ${libfaac-no}"
1926 echo "libfaad enabled ${libfaad-no}"
1927 echo "libfaad dlopened ${libfaadbin-no}"
1928 echo "libgsm enabled ${libgsm-no}"
1929 echo "libmp3lame enabled ${libmp3lame-no}"
1930 echo "libnut enabled ${libnut-no}"
1931 echo "libtheora enabled ${libtheora-no}"
1932 echo "libvorbis enabled ${libvorbis-no}"
1933 echo "x264 enabled ${libx264-no}"
1934 echo "XviD enabled ${libxvid-no}"
1935 echo "zlib enabled ${zlib-no}"
1936 echo
1937
1938 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1939 echo "Enabled ${type}s:"
1940 eval list=\$$(toupper $type)_LIST
1941 for part in $list; do
1942 enabled $part && echo ${part%_*}
1943 done | sort | pr -3 -t
1944 echo
1945 done
1946
1947 enabled nonfree &&
1948 echo "License: unredistributable" ||
1949 (enabled gpl &&
1950 echo "License: GPL" ||
1951 echo "License: LGPL")
1952
1953 echo "Creating config.mak and config.h..."
1954
1955 echo "# Automatically generated by configure - do not modify!" > config.mak
1956 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1957 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1958 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1959 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1960
1961 echo "PREFIX=$PREFIX" >> config.mak
1962 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1963 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1964 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1965 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1966 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1967 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1968 echo "MAKE=$make" >> config.mak
1969 echo "CC=$cc" >> config.mak
1970 echo "AR=$ar" >> config.mak
1971 echo "RANLIB=$ranlib" >> config.mak
1972 echo "LN_S=$ln_s" >> config.mak
1973 enabled dostrip &&
1974 echo "STRIP=$strip" >> config.mak ||
1975 echo "STRIP=echo ignoring strip" >> config.mak
1976
1977 echo "OPTFLAGS=$CFLAGS" >> config.mak
1978 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1979 echo "LDFLAGS=$LDFLAGS" >> config.mak
1980 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1981 echo "SHFLAGS=$SHFLAGS" >> config.mak
1982 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1983 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1984 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1985 echo "BUILD_STATIC=$static" >> config.mak
1986 echo "BUILDSUF=$BUILDSUF" >> config.mak
1987 echo "FULLNAME=$FULLNAME" >> config.mak
1988 echo "LIBPREF=$LIBPREF" >> config.mak
1989 echo "LIBSUF=$LIBSUF" >> config.mak
1990 echo "LIBNAME=$LIBNAME" >> config.mak
1991 echo "SLIBPREF=$SLIBPREF" >> config.mak
1992 echo "SLIBSUF=$SLIBSUF" >> config.mak
1993 echo "EXESUF=$EXESUF" >> config.mak
1994
1995 if enabled bigendian; then
1996 echo "WORDS_BIGENDIAN=yes" >> config.mak
1997 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1998 fi
1999
2000 if enabled sdl; then
2001 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2002 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2003 fi
2004 if enabled texi2html; then
2005 echo "BUILD_DOC=yes" >> config.mak
2006 fi
2007
2008 get_version(){
2009 name=$1
2010 file=$source_path/$2
2011 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2012 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2013 lcname=$(tolower $name)
2014 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2015 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2016 }
2017
2018 get_version LIBSWSCALE libswscale/swscale.h
2019 get_version LIBPOSTPROC libpostproc/postprocess.h
2020 get_version LIBAVCODEC libavcodec/avcodec.h
2021 get_version LIBAVDEVICE libavdevice/avdevice.h
2022 get_version LIBAVFORMAT libavformat/avformat.h
2023 get_version LIBAVUTIL libavutil/avutil.h
2024 get_version LIBAVFILTER libavfilter/avfilter.h
2025
2026 if enabled shared; then
2027 echo "BUILD_SHARED=yes" >> config.mak
2028 echo "PIC=-fPIC -DPIC" >> config.mak
2029 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2030 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2031 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2032 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2033 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2034 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2035 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2036 fi
2037 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2038 echo "EXTRALIBS=$extralibs" >> config.mak
2039
2040 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2041 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2042 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2043 $DECODER_LIST \
2044 $ENCODER_LIST \
2045 $PARSER_LIST \
2046 $BSF_LIST \
2047 $DEMUXER_LIST \
2048 $MUXER_LIST \
2049 $FILTER_LIST \
2050 $PROTOCOL_LIST \
2051 $INDEV_LIST \
2052 $OUTDEV_LIST \
2053
2054 echo "#define restrict $_restrict" >> $TMPH
2055
2056 if enabled small; then
2057 echo "#define av_always_inline" >> $TMPH
2058 fi
2059
2060 echo "SRC_PATH=\"$source_path\"" >> config.mak
2061 echo "SRC_PATH_BARE=$source_path" >> config.mak
2062 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2063
2064 # Apparently it's not possible to portably echo a backslash.
2065 enabled asmalign_pot &&
2066 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2067 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2068
2069
2070 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2071
2072 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2073 cmp -s $TMPH config.h &&
2074 echo "config.h is unchanged" ||
2075 mv -f $TMPH config.h
2076
2077 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2078
2079 # build tree in object directory if source path is different from current one
2080 if enabled source_path_used; then
2081 DIRS="\
2082 doc \
2083 libavcodec \
2084 libavcodec/alpha \
2085 libavcodec/armv4l \
2086 libavcodec/bfin \
2087 libavcodec/i386 \
2088 libavcodec/mlib \
2089 libavcodec/ppc \
2090 libavcodec/sh4 \
2091 libavcodec/sparc \
2092 libavdevice \
2093 libavfilter \
2094 libavformat \
2095 libavutil \
2096 libpostproc \
2097 libswscale \
2098 tests \
2099 tools \
2100 vhook \
2101 "
2102 FILES="\
2103 Makefile \
2104 common.mak \
2105 doc/texi2pod.pl \
2106 libavcodec/Makefile \
2107 libavdevice/Makefile \
2108 libavfilter/Makefile \
2109 libavformat/Makefile \
2110 libavutil/Makefile \
2111 libpostproc/Makefile \
2112 libswscale/Makefile \
2113 "
2114 for dir in $DIRS ; do
2115 mkdir -p $dir
2116 done
2117 for f in $FILES ; do
2118 $ln_s "$source_path/$f" $f
2119 done
2120 fi
2121
2122
2123 # build pkg-config files
2124 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2125
2126 pkgconfig_generate(){
2127 name=$1
2128 comment=$2
2129 version=$3
2130 libs=$4
2131 requires=$5
2132 cat <<EOF >$name.pc
2133 prefix=$PREFIX
2134 exec_prefix=\${prefix}
2135 libdir=\${exec_prefix}/lib
2136 includedir=\${prefix}/include
2137
2138 Name: $name
2139 Description: $comment
2140 Version: $version
2141 Requires: $requires
2142 Conflicts:
2143 Libs: -L\${libdir} $libs
2144 Cflags: -I\${includedir}
2145 EOF
2146 }
2147
2148 pkgconfig_generate_uninstalled(){
2149 name=$1
2150 shortname=${name#lib}
2151 comment=$2
2152 version=$3
2153 libs=$4
2154 requires=$5
2155 cat <<EOF >$name-uninstalled.pc
2156 prefix=
2157 exec_prefix=
2158 libdir=\${pcfiledir}/$name
2159 includedir=\${pcfiledir}
2160
2161 Name: $name
2162 Description: $comment
2163 Version: $version
2164 Requires: $requires
2165 Conflicts:
2166 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2167 Cflags: -I\${includedir}
2168 EOF
2169 }
2170
2171 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" -lavutil ""
2172 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2173
2174 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "-lavcodec $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2175 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2176
2177 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "-lavformat $extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2178 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2179
2180 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "-lavdevice $extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2181 pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2182 if enabled postproc; then
2183 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" -lpostproc ""
2184 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2185 fi
2186
2187 if enabled swscaler; then
2188 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" -lswscale "libavutil = $LIBAVUTIL_VERSION"
2189 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2190 else
2191 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2192 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2193 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2194 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2195 fi
2196
2197 if enabled avfilter; then
2198 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "-lavfilter $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION" ffmpeg
2199 pkgconfig_generate_uninstalled libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2200 fi