c099def04ae6be78bfb1b169371ef46103bc82f2
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" > /dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2> /dev/null
20 E1="$?"
21
22 (: ${foo?}) 2> /dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --logfile=FILE log tests and output to FILE [config.err]"
60 echo " --disable-logging do not log configure debug information"
61 echo " --prefix=PREFIX install in PREFIX [$prefix]"
62 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
63 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
64 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
65 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
66 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-gpl allow use of GPL code, the resulting libav*"
72 echo " and ffmpeg will be under GPL [default=no]"
73 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
74 echo " and ffmpeg will be unredistributable [default=no]"
75 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
76 echo " --enable-swscale software scaler support [default=no]"
77 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
78 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
79 echo " --enable-beosthreads use BeOS threads [default=no]"
80 echo " --enable-os2threads use OS/2 threads [default=no]"
81 echo " --enable-pthreads use pthreads [default=no]"
82 echo " --enable-w32threads use Win32 threads [default=no]"
83 echo " --enable-x11grab enable X11 grabbing [default=no]"
84 echo
85 echo "External library support:"
86 echo " --enable-mlib use Sun medialib [default=no]"
87 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
88 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
89 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
90 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
91 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
92 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
93 echo " and libraw1394 [default=no]"
94 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
95 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
96 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
97 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
98 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
99 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
100 echo " --enable-libnut enable NUT (de)muxing via libnut,"
101 echo " native demuxer exists [default=no]"
102 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
103 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
104 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
105 echo " native implementation exists [default=no]"
106 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
107 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
108 echo " native MPEG-4/Xvid encoder exists [default=no]"
109 echo ""
110 echo "Advanced options (experts only):"
111 echo " --source-path=PATH path to source code [$source_path]"
112 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
113 echo " --enable-cross-compile assume a cross-compiler is used"
114 echo " --target-os=OS compiler targets OS [$target_os]"
115 echo " --cc=CC use C compiler CC [$cc]"
116 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
117 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
118 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
119 echo " --build-suffix=SUFFIX suffix for application specific build []"
120 echo " --arch=ARCH select architecture [$arch]"
121 echo " --cpu=CPU selects the minimum cpu required (affects"
122 echo " instruction selection, may crash on older CPUs)"
123 echo " --enable-powerpc-perf enable performance report on PPC"
124 echo " (requires enabling PMC)"
125 echo " --disable-mmx disable MMX usage"
126 echo " --disable-mmx2 disable MMX2 usage"
127 echo " --disable-ssse3 disable SSSE3 usage"
128 echo " --disable-armv5te disable armv5te usage"
129 echo " --disable-armv6 disable armv6 usage"
130 echo " --disable-armvfp disable ARM VFP usage"
131 echo " --disable-iwmmxt disable iwmmxt usage"
132 echo " --disable-altivec disable AltiVec usage"
133 echo " --disable-network disable network support [default=no]"
134 echo " --disable-ipv6 disable ipv6 support [default=no]"
135 echo " --disable-zlib disable zlib [default=no]"
136 echo " --disable-bzlib disable bzlib [default=no]"
137 echo " --disable-vhook disable video hooking support"
138 echo " --disable-mpegaudio-hp faster (but less accurate)"
139 echo " MPEG audio decoding [default=no]"
140 echo " --enable-gray enable full grayscale support (slower color)"
141 echo " --disable-ffmpeg disable ffmpeg build"
142 echo " --disable-ffserver disable ffserver build"
143 echo " --disable-ffplay disable ffplay build"
144 echo " --enable-small optimize for size instead of speed"
145 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
146 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
147 echo " --disable-encoder=NAME disables encoder NAME"
148 echo " --enable-encoder=NAME enables encoder NAME"
149 echo " --disable-decoder=NAME disables decoder NAME"
150 echo " --enable-decoder=NAME enables decoder NAME"
151 echo " --disable-encoders disables all encoders"
152 echo " --disable-decoders disables all decoders"
153 echo " --disable-muxer=NAME disables muxer NAME"
154 echo " --enable-muxer=NAME enables muxer NAME"
155 echo " --disable-muxers disables all muxers"
156 echo " --disable-demuxer=NAME disables demuxer NAME"
157 echo " --enable-demuxer=NAME enables demuxer NAME"
158 echo " --disable-demuxers disables all demuxers"
159 echo " --enable-parser=NAME enables parser NAME"
160 echo " --disable-parser=NAME disables parser NAME"
161 echo " --disable-parsers disables all parsers"
162 echo " --enable-bsf=NAME enables bitstream filter NAME"
163 echo " --disable-bsf=NAME disables bitstream filter NAME"
164 echo " --disable-bsfs disables all bitstream filters"
165 echo " --enable-protocol=NAME enables protocol NAME"
166 echo " --disable-protocol=NAME disables protocol NAME"
167 echo " --disable-protocols disables all protocols"
168 echo " --disable-devices disables all devices"
169 echo " --list-decoders show all available decoders"
170 echo " --list-encoders show all available encoders"
171 echo " --list-muxers show all available muxers"
172 echo " --list-demuxers show all available demuxers"
173 echo " --list-parsers show all available parsers"
174 echo " --list-protocols show all available protocols"
175 echo " --list-bsfs show all available bitstream filters"
176 echo " --list-indevs show all available input devices"
177 echo " --list-outdevs show all available output devices"
178 echo
179 echo "Developer options (useful when working on FFmpeg itself):"
180 echo " --disable-debug disable debugging symbols"
181 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
182 echo " --enable-gprof enable profiling with gprof [$gprof]"
183 echo " --disable-optimizations disable compiler optimizations"
184 echo " --enable-extra-warnings enable more compiler warnings"
185 echo " --disable-stripping disable stripping of executables and shared libraries"
186 echo ""
187 echo "NOTE: Object files are built at the place where configure is launched."
188 exit 1
189 }
190
191 log(){
192 echo "$@" >> $logfile
193 }
194
195 log_file(){
196 log BEGIN $1
197 pr -n -t $1 >> $logfile
198 log END $1
199 }
200
201 echolog(){
202 log "$@"
203 echo "$@"
204 }
205
206 die(){
207 echolog "$@"
208 cat <<EOF
209 If you think configure made a mistake, make sure you are using the latest
210 version from SVN. If the latest version fails, report the problem to the
211 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
212 EOF
213 if disabled logging; then
214 cat <<EOF
215 Rerun configure with logging enabled (do not use --disable-logging), and
216 include the log this produces with your report.
217 EOF
218 else
219 cat <<EOF
220 Include the log file "$logfile" produced by configure as this will help
221 solving the problem.
222 EOF
223 fi
224 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
225 exit 1
226 }
227
228 # Avoid locale weirdness, besides we really just want to translate ASCII.
229 toupper(){
230 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
231 }
232
233 tolower(){
234 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
235 }
236
237 set_all(){
238 value=$1
239 shift
240 for var in $*; do
241 eval $var=$value
242 done
243 }
244
245 pushvar(){
246 for var in $*; do
247 eval level=\${${var}_level:=0}
248 eval ${var}_${level}="\$$var"
249 eval ${var}_level=$(($level+1))
250 done
251 }
252
253 popvar(){
254 for var in $*; do
255 eval level=\${${var}_level:-0}
256 test $level = 0 && continue
257 eval level=$(($level-1))
258 eval $var="\${${var}_${level}}"
259 eval ${var}_level=$level
260 eval unset ${var}_${level}
261 done
262 }
263
264 enable(){
265 set_all yes $*
266 }
267
268 disable(){
269 set_all no $*
270 }
271
272 enabled(){
273 test "${1#!}" = "$1" && op== || op=!=
274 eval test "x\$${1#!}" $op "xyes"
275 }
276
277 disabled(){
278 test "${1#!}" = "$1" && op== || op=!=
279 eval test "x\$${1#!}" $op "xno"
280 }
281
282 enabled_all(){
283 for opt; do
284 enabled $opt || return 1
285 done
286 }
287
288 disabled_all(){
289 for opt; do
290 disabled $opt || return 1
291 done
292 }
293
294 enabled_any(){
295 for opt; do
296 enabled $opt && return 0
297 done
298 }
299
300 disabled_any(){
301 for opt; do
302 disabled $opt && return 0
303 done
304 }
305
306 set_default(){
307 for opt; do
308 eval test -z "\$$opt" && eval $opt=\$${opt}_default
309 done
310 }
311
312 is_in(){
313 value=$1
314 shift
315 for var in $*; do
316 [ $var = $value ] && return 0
317 done
318 return 1
319 }
320
321 check_deps(){
322 for cfg; do
323 cfg="${cfg#!}"
324 enabled ${cfg}_checking && die "Circular dependency for $cfg."
325 disabled ${cfg}_checking && continue
326 enable ${cfg}_checking
327
328 eval dep_all="\$${cfg}_deps"
329 eval dep_any="\$${cfg}_deps_any"
330
331 pushvar cfg dep_all dep_any
332 check_deps $dep_all $dep_any
333 popvar cfg dep_all dep_any
334
335 enabled_all $dep_all || disable $cfg
336 enabled_any $dep_any || disable $cfg
337
338 if enabled $cfg; then
339 eval dep_extralibs="\$${cfg}_extralibs"
340 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
341 fi
342
343 disable ${cfg}_checking
344 done
345 }
346
347 print_config(){
348 pfx=$1
349 header=$2
350 makefile=$3
351 shift 3
352 for cfg; do
353 ucname="`toupper $cfg`"
354 if enabled $cfg; then
355 echo "#define ${pfx}${ucname} 1" >> $header
356 echo "#define ENABLE_${ucname} 1" >> $header
357 echo "${pfx}${ucname}=yes" >> $makefile
358 else
359 echo "#define ENABLE_${ucname} 0" >> $header
360 fi
361 done
362 }
363
364 flags_saved(){
365 (: ${SAVE_CFLAGS?}) 2> /dev/null
366 }
367
368 save_flags(){
369 flags_saved && return
370 SAVE_CFLAGS="$CFLAGS"
371 SAVE_LDFLAGS="$LDFLAGS"
372 SAVE_extralibs="$extralibs"
373 }
374
375 restore_flags(){
376 flags_saved || return
377 CFLAGS="$SAVE_CFLAGS"
378 LDFLAGS="$SAVE_LDFLAGS"
379 extralibs="$SAVE_extralibs"
380 unset SAVE_CFLAGS
381 unset SAVE_LDFLAGS
382 unset SAVE_extralibs
383 }
384
385 temp_cflags(){
386 save_flags
387 CFLAGS="$CFLAGS $*"
388 }
389
390 temp_ldflags(){
391 save_flags
392 LDFLAGS="$LDFLAGS $*"
393 }
394
395 temp_extralibs(){
396 save_flags
397 extralibs="$extralibs $*"
398 }
399
400 append(){
401 var=$1
402 shift
403 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
404 eval "$var=\"\$$var $*\""
405 }
406
407 add_cflags(){
408 append CFLAGS "$@"
409 }
410
411 add_ldflags(){
412 append LDFLAGS "$@"
413 }
414
415 add_extralibs(){
416 append extralibs "$@"
417 }
418
419 check_cmd(){
420 log "$@"
421 "$@" >> $logfile 2>&1
422 }
423
424 check_cc(){
425 log check_cc "$@"
426 cat > $TMPC
427 log_file $TMPC
428 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
429 }
430
431 check_cpp(){
432 log check_cpp "$@"
433 cat > $TMPC
434 log_file $TMPC
435 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
436 }
437
438 check_asm(){
439 log check_asm "$@"
440 name="$1"
441 asm="$2"
442 shift 2
443 check_cc "$@" <<EOF && enable $name || disable $name
444 int foo(void){ asm volatile($asm); }
445 EOF
446 }
447
448 check_yasm(){
449 log check_yasm "$@"
450 echo "$1" > $TMPS
451 log_file $TMPS
452 shift 1
453 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
454 }
455
456 check_ld(){
457 log check_ld "$@"
458 check_cc || return
459 flags=''
460 libs=''
461 for f; do
462 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
463 done
464 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
465 }
466
467 check_cflags(){
468 log check_cflags "$@"
469 check_cc "$@" <<EOF && add_cflags "$@"
470 int x;
471 EOF
472 }
473
474 check_ldflags(){
475 log check_ldflags "$@"
476 check_ld "$@" <<EOF && add_ldflags "$@"
477 int main(void){ return 0; }
478 EOF
479 }
480
481 check_header(){
482 log check_header "$@"
483 header=$1
484 shift
485 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
486 disable $var
487 check_cpp "$@" <<EOF && enable $var
488 #include <$header>
489 int x;
490 EOF
491 }
492
493 check_func(){
494 log check_func "$@"
495 func=$1
496 shift
497 disable $func
498 check_ld "$@" <<EOF && enable $func
499 extern int $func();
500 int main(void){ $func(); }
501 EOF
502 }
503
504 check_func2(){
505 log check_func2 "$@"
506 headers=$1
507 func=$2
508 shift 2
509 disable $func
510 incs=""
511 for hdr in $headers; do
512 incs="$incs
513 #include <$hdr>"
514 done
515 check_ld "$@" <<EOF && enable $func
516 $incs
517 int main(int argc, char **argv){
518 (void) $func;
519 return 0;
520 }
521 EOF
522 }
523
524 check_lib(){
525 log check_lib "$@"
526 header="$1"
527 func="$2"
528 shift 2
529 temp_extralibs "$@"
530 check_header $header && check_func $func && add_extralibs "$@"
531 err=$?
532 restore_flags
533 return $err
534 }
535
536 check_lib2(){
537 log check_lib2 "$@"
538 headers="$1"
539 func="$2"
540 shift 2
541 temp_extralibs "$@"
542 check_func2 "$headers" $func && add_extralibs "$@"
543 err=$?
544 restore_flags
545 return $err
546 }
547
548 check_exec(){
549 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
550 }
551
552 check_exec_crash(){
553 code=`cat`
554
555 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
556 # are safe but may not be available everywhere. Thus we use
557 # raise(SIGTERM) instead. The check is run in a subshell so we
558 # can redirect the "Terminated" message from the shell. SIGBUS
559 # is not defined by standard C so it is used conditionally.
560
561 (check_exec "$@") >> $logfile 2>&1 <<EOF
562 #include <signal.h>
563 static void sighandler(int sig){
564 raise(SIGTERM);
565 }
566 int main(void){
567 signal(SIGILL, sighandler);
568 signal(SIGFPE, sighandler);
569 signal(SIGSEGV, sighandler);
570 #ifdef SIGBUS
571 signal(SIGBUS, sighandler);
572 #endif
573 { $code }
574 }
575 EOF
576 }
577
578 check_type(){
579 log check_type "$@"
580 headers=$1
581 type=$2
582 shift 2
583 disable $type
584 incs=""
585 for hdr in $headers; do
586 incs="$incs
587 #include <$hdr>"
588 done
589 check_cc "$@" <<EOF && enable $type
590 $incs
591 $type v;
592 EOF
593 }
594
595 require(){
596 name="$1"
597 header="$2"
598 func="$3"
599 shift 3
600 check_lib $header $func "$@" || die "ERROR: $name not found"
601 }
602
603 require2(){
604 name="$1"
605 headers="$2"
606 func="$3"
607 shift 3
608 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
609 }
610
611 check_foo_config(){
612 cfg=$1
613 pkg=$2
614 header=$3
615 func=$4
616 shift 4
617 disable $cfg
618 check_cmd ${pkg}-config --version
619 err=$?
620 if test "$err" = 0; then
621 temp_cflags `${pkg}-config --cflags`
622 temp_extralibs `${pkg}-config --libs`
623 check_lib "$@" $header $func && enable $cfg
624 fi
625 return $err
626 }
627
628 apply(){
629 file=$1
630 shift
631 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
632 }
633
634 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
635 # system-dependent things.
636
637 COMPONENT_LIST="
638 bsfs
639 decoders
640 demuxers
641 encoders
642 filters
643 indevs
644 muxers
645 outdevs
646 parsers
647 protocols
648 "
649
650 CONFIG_LIST="
651 $COMPONENT_LIST
652 avfilter
653 avfilter_lavf
654 avisynth
655 beos_netserver
656 bzlib
657 ffmpeg
658 ffplay
659 ffserver
660 gpl
661 gprof
662 gray
663 hardcoded_tables
664 ipv6
665 liba52
666 liba52bin
667 libamr_nb
668 libamr_wb
669 libdc1394
670 libdirac
671 libfaac
672 libfaad
673 libfaadbin
674 libgsm
675 libmp3lame
676 libnut
677 libschroedinger
678 libtheora
679 libvorbis
680 libx264
681 libxvid
682 memalign_hack
683 mlib
684 mpegaudio_hp
685 network
686 nonfree
687 postproc
688 powerpc_perf
689 small
690 swscale
691 vhook
692 x11grab
693 zlib
694 "
695
696 THREADS_LIST='
697 beosthreads
698 os2threads
699 pthreads
700 w32threads
701 '
702
703 ARCH_LIST='
704 alpha
705 armv4l
706 bfin
707 ia64
708 m68k
709 mips
710 parisc
711 powerpc
712 s390
713 sh4
714 sparc
715 sparc64
716 x86
717 x86_32
718 x86_64
719 '
720
721 ARCH_EXT_LIST='
722 altivec
723 armv5te
724 armv6
725 armvfp
726 iwmmxt
727 mmi
728 mmx
729 mmx2
730 neon
731 ssse3
732 vis
733 '
734
735 HAVE_LIST="
736 $ARCH_EXT_LIST
737 $THREADS_LIST
738 altivec_h
739 arpa_inet_h
740 bswap
741 byteswap_h
742 closesocket
743 cmov
744 conio_h
745 dcbzl
746 dev_bktr_ioctl_bt848_h
747 dev_bktr_ioctl_meteor_h
748 dev_ic_bt8xx_h
749 dev_video_meteor_ioctl_meteor_h
750 dev_video_bktr_ioctl_bt848_h
751 dlfcn_h
752 dlopen
753 ebp_available
754 ebx_available
755 fast_64bit
756 fast_cmov
757 fast_unaligned
758 fork
759 freetype2
760 gethrtime
761 GetProcessTimes
762 getrusage
763 imlib2
764 inet_aton
765 inline_asm
766 libdc1394_1
767 libdc1394_2
768 llrint
769 lrint
770 lrintf
771 machine_ioctl_bt848_h
772 machine_ioctl_meteor_h
773 malloc_h
774 memalign
775 mkstemp
776 pld
777 ppc64
778 round
779 roundf
780 sdl
781 sdl_video_size
782 socklen_t
783 soundcard_h
784 poll_h
785 sys_mman_h
786 sys_resource_h
787 sys_select_h
788 sys_soundcard_h
789 termios_h
790 threads
791 winsock2_h
792 yasm
793 "
794
795 CMDLINE_SELECT="
796 $ARCH_EXT_LIST
797 $CONFIG_LIST
798 $THREADS_LIST
799 cross_compile
800 debug
801 extra_warnings
802 logging
803 optimizations
804 shared
805 static
806 stripping
807 "
808
809 PATHS_LIST='
810 bindir
811 incdir
812 libdir
813 mandir
814 prefix
815 shlibdir
816 '
817
818 CMDLINE_SET="
819 $PATHS_LIST
820 arch
821 build_suffix
822 cc
823 cpu
824 cross_prefix
825 logfile
826 source_path
827 target_os
828 "
829
830 # code dependency declarations
831
832 # architecture extensions
833 altivec_deps="powerpc"
834 armv5te_deps="armv4l"
835 armv6_deps="armv4l"
836 armvfp_deps="armv4l"
837 iwmmxt_deps="armv4l"
838 mmi_deps="mips"
839 mmx_deps="x86"
840 mmx2_deps="x86 mmx"
841 neon_deps="armv4l"
842 ssse3_deps="x86"
843 vis_deps="sparc"
844
845 # system headers and functions
846 byteswap_h_deps="!armv4l"
847
848 # decoders / encoders
849 ac3_decoder_deps="gpl !liba52"
850 dxa_decoder_deps="zlib"
851 flashsv_decoder_deps="zlib"
852 flashsv_encoder_deps="zlib"
853 mlp_decoder_deps="mlp_parser"
854 mpeg_xvmc_decoder_deps="xvmc"
855 png_decoder_deps="zlib"
856 png_encoder_deps="zlib"
857 zmbv_decoder_deps="zlib"
858 zmbv_encoder_deps="zlib"
859
860 # external libraries
861 liba52_decoder_deps="liba52"
862 liba52bin_decoder_extralibs='$ldl'
863 libamr_nb_decoder_deps="libamr_nb"
864 libamr_nb_encoder_deps="libamr_nb"
865 libamr_wb_decoder_deps="libamr_wb"
866 libamr_wb_encoder_deps="libamr_wb"
867 libdirac_decoder_deps="libdirac !libschroedinger"
868 libdirac_encoder_deps="libdirac"
869 libfaac_encoder_deps="libfaac"
870 libfaad_decoder_deps="libfaad"
871 libfaadbin_decoder_extralibs='$ldl'
872 libgsm_decoder_deps="libgsm"
873 libgsm_encoder_deps="libgsm"
874 libgsm_ms_decoder_deps="libgsm"
875 libgsm_ms_encoder_deps="libgsm"
876 libmp3lame_encoder_deps="libmp3lame"
877 libschroedinger_decoder_deps="libschroedinger"
878 libschroedinger_encoder_deps="libschroedinger"
879 libtheora_encoder_deps="libtheora"
880 libvorbis_encoder_deps="libvorbis"
881 libx264_encoder_deps="libx264"
882 libxvid_encoder_deps="libxvid"
883 mpeg4aac_decoder_deps="libfaad"
884
885 # demuxers / muxers
886 ac3_demuxer_deps="ac3_parser"
887 audio_beos_demuxer_deps="audio_beos"
888 audio_beos_demuxer_extralibs="-lmedia -lbe"
889 audio_beos_muxer_deps="audio_beos"
890 audio_beos_muxer_extralibs="-lmedia -lbe"
891 avisynth_demuxer_deps="avisynth"
892 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
893 dirac_demuxer_deps="dirac_parser"
894 dv1394_demuxer_deps="dv1394 dv_demuxer"
895 libdc1394_demuxer_deps="libdc1394"
896 libnut_demuxer_deps="libnut"
897 libnut_muxer_deps="libnut"
898 mp3_demuxer_deps="mpegaudio_parser"
899 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
900 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
901 redir_demuxer_deps="network"
902 rtp_muxer_deps="network rtp_protocol"
903 rtsp_demuxer_deps="sdp_demuxer"
904 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
905 v4l_demuxer_deps="linux_videodev_h"
906 v4l2_demuxer_deps="linux_videodev2_h"
907 vfwcap_demuxer_deps="capCreateCaptureWindow"
908 vfwcap_demuxer_extralibs="-lvfw32"
909 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
910 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
911
912 # protocols
913 http_protocol_deps="network"
914 rtp_protocol_deps="udp_protocol"
915 tcp_protocol_deps="network"
916 udp_protocol_deps="network"
917
918 # filters
919 movie_filter_deps="avfilter_lavf"
920
921 # programs
922 ffplay_deps="sdl"
923 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
924 ffserver_extralibs='$ldl'
925 vhook_extralibs='$ldl'
926
927
928 # default parameters
929
930 logfile="config.err"
931
932 # installation paths
933 prefix_default="/usr/local"
934 bindir_default='${prefix}/bin'
935 incdir_default='${prefix}/include'
936 libdir_default='${prefix}/lib'
937 mandir_default='${prefix}/share/man'
938 shlibdir_default="$libdir_default"
939
940 # toolchain
941 cc="gcc"
942 yasmexe="yasm"
943 ar="ar"
944 nm="nm"
945 ranlib="ranlib"
946 strip="strip"
947 asmalign_pot="unknown"
948 ln_s="ln -sf"
949 objformat="elf"
950
951 # machine
952 arch=`uname -m`
953 cpu="generic"
954
955 # OS
956 target_os=$(tolower $(uname -s))
957
958 # libraries
959 enable bzlib
960 enable zlib
961
962 # configurable options
963 enable debug
964 enable ffmpeg
965 enable ffplay
966 enable ffserver
967 enable ipv6
968 enable mpegaudio_hp
969 enable network
970 enable optimizations
971 enable protocols
972 enable static
973 enable stripping
974 vhook="default"
975
976 # build settings
977 SHFLAGS='-shared -Wl,-soname,$$(@F)'
978 VHOOKSHFLAGS='$(SHFLAGS)'
979 FFSERVERLDFLAGS=-Wl,-E
980 LIBPREF="lib"
981 LIBSUF=".a"
982 FULLNAME='$(NAME)$(BUILDSUF)'
983 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
984 SLIBPREF="lib"
985 SLIBSUF=".so"
986 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
987 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
988 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
989 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
990
991 # gcc stupidly only outputs the basename of targets with -MM
992 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
993
994 # find source path
995 source_path="`dirname \"$0\"`"
996 enable source_path_used
997 if test -z "$source_path" -o "$source_path" = "." ; then
998 source_path="`pwd`"
999 disable source_path_used
1000 else
1001 source_path="`cd \"$source_path\"; pwd`"
1002 echo "$source_path" | grep -q '[[:blank:]]' &&
1003 die "Out of tree builds are impossible with whitespace in source path."
1004 fi
1005
1006 FFMPEG_CONFIGURATION="$@"
1007
1008 find_things(){
1009 thing=$1
1010 pattern=$2
1011 file=$source_path/$3
1012 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1013 }
1014
1015 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1016 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1017 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1018 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1019 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1020 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1021 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1022 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1023 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1024 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1025
1026 enable $ARCH_EXT_LIST \
1027 $DECODER_LIST \
1028 $ENCODER_LIST \
1029 $PARSER_LIST \
1030 $BSF_LIST \
1031 $DEMUXER_LIST \
1032 $MUXER_LIST \
1033 $FILTER_LIST \
1034 $PROTOCOL_LIST \
1035 $INDEV_LIST \
1036 $OUTDEV_LIST \
1037
1038 die_unknown(){
1039 echo "Unknown option \"$1\"."
1040 echo "See $0 --help for available options."
1041 exit 1
1042 }
1043
1044 show_list() {
1045 suffix=_$1
1046 shift
1047 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1048 exit 0
1049 }
1050
1051 for opt do
1052 optval="${opt#*=}"
1053 case "$opt" in
1054 --extra-cflags=*) add_cflags "$optval"
1055 ;;
1056 --extra-ldflags=*) add_ldflags "$optval"
1057 ;;
1058 --extra-libs=*) add_extralibs "$optval"
1059 ;;
1060 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1061 ;;
1062 --enable-debug=*) debuglevel="$optval"
1063 ;;
1064 --enable-*=*|--disable-*=*)
1065 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1066 case "$thing" in
1067 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1068 *) die_unknown "$opt" ;;
1069 esac
1070 ;;
1071 --enable-?*|--disable-?*)
1072 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1073 if is_in $option $COMPONENT_LIST; then
1074 eval $action \$$(toupper ${option%s})_LIST
1075 elif is_in $option $CMDLINE_SELECT; then
1076 $action $option
1077 else
1078 die_unknown $opt
1079 fi
1080 ;;
1081 --list-*)
1082 NAME="${opt#--list-}"
1083 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1084 NAME=${NAME%s}
1085 eval show_list $NAME \$$(toupper $NAME)_LIST
1086 ;;
1087 --help|-h) show_help
1088 ;;
1089 *)
1090 optname="${opt%=*}"
1091 optname="${optname#--}"
1092 optname=$(echo "$optname" | sed 's/-/_/g')
1093 is_in $optname $CMDLINE_SET || die_unknown $opt
1094 eval $optname='$optval'
1095 ;;
1096 esac
1097 done
1098
1099 disabled logging && logfile=/dev/null
1100
1101 echo "# $0 $@" > $logfile
1102 set >> $logfile
1103
1104 cc="${cross_prefix}${cc}"
1105 yasmexe="${cross_prefix}${yasmexe}"
1106 ar="${cross_prefix}${ar}"
1107 nm="${cross_prefix}${nm}"
1108 ranlib="${cross_prefix}${ranlib}"
1109 strip="${cross_prefix}${strip}"
1110
1111 # set temporary file name
1112 if test ! -z "$TMPDIR" ; then
1113 TMPDIR1="${TMPDIR}"
1114 elif test ! -z "$TEMPDIR" ; then
1115 TMPDIR1="${TEMPDIR}"
1116 else
1117 TMPDIR1="/tmp"
1118 fi
1119
1120 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1121 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1122 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1123 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1124 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1125 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1126
1127 case "$arch" in
1128 i386|i486|i586|i686|i86pc|BePC)
1129 arch="x86_32"
1130 enable fast_unaligned
1131 ;;
1132 x86_64|amd64)
1133 arch="x86_32"
1134 enable fast_unaligned
1135 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1136 int test[sizeof(char*) - 7];
1137 EOF
1138 ;;
1139 # armv4l is a subset of armv[567]*l
1140 arm|armv[4567]*l)
1141 arch="armv4l"
1142 ;;
1143 alpha)
1144 arch="alpha"
1145 enable fast_64bit
1146 ;;
1147 "Power Macintosh"|ppc|powerpc)
1148 arch="powerpc"
1149 ;;
1150 ppc64)
1151 arch="powerpc"
1152 enable fast_64bit
1153 ;;
1154 mips|mipsel|IP*)
1155 arch="mips"
1156 ;;
1157 sun4u|sparc64)
1158 arch="sparc64"
1159 enable fast_64bit
1160 ;;
1161 sparc)
1162 arch="sparc"
1163 ;;
1164 sh4)
1165 arch="sh4"
1166 ;;
1167 parisc)
1168 arch="parisc"
1169 ;;
1170 parisc64)
1171 arch="parisc"
1172 enable fast_64bit
1173 ;;
1174 s390|s390x)
1175 arch="s390"
1176 ;;
1177 m68k)
1178 arch="m68k"
1179 ;;
1180 ia64)
1181 arch="ia64"
1182 enable fast_64bit
1183 ;;
1184 bfin)
1185 arch="bfin"
1186 ;;
1187 *)
1188 arch="unknown"
1189 ;;
1190 esac
1191
1192 enable $arch
1193 enabled_any x86_32 x86_64 && enable x86
1194 enabled sparc64 && enable sparc
1195
1196 # OS specific
1197 case $target_os in
1198 beos|haiku|zeta)
1199 prefix_default="$HOME/config"
1200 # helps building libavcodec
1201 add_cflags "-DPIC -fomit-frame-pointer"
1202 # 3 gcc releases known for BeOS, each with ugly bugs
1203 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1204 case "$gcc_version" in
1205 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1206 disable mmx
1207 ;;
1208 *20010315*) echo "BeBits gcc"
1209 add_cflags "-fno-expensive-optimizations"
1210 ;;
1211 esac
1212 SHFLAGS=-nostart
1213 # enable BeOS things
1214 enable audio_beos
1215 # no need for libm, but the inet stuff
1216 # Check for BONE
1217 # XXX: actually should check for NOT net_server
1218 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1219 network_extralibs="-lbind -lsocket"
1220 else
1221 enable beos_netserver
1222 network_extralibs="-lnet"
1223 fi ;;
1224 sunos)
1225 FFSERVERLDFLAGS=""
1226 SHFLAGS='-shared -Wl,-h,$$(@F)'
1227 network_extralibs="-lsocket -lnsl"
1228 ;;
1229 netbsd)
1230 oss_demuxer_extralibs="-lossaudio"
1231 oss_muxer_extralibs="-lossaudio"
1232 ;;
1233 openbsd)
1234 disable need_memalign
1235 LIBOBJFLAGS='$(PIC)'
1236 SHFLAGS='-shared'
1237 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1238 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1239 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1240 oss_demuxer_extralibs="-lossaudio"
1241 oss_muxer_extralibs="-lossaudio"
1242 ;;
1243 freebsd)
1244 disable need_memalign
1245 ;;
1246 bsd/os)
1247 osextralibs="-lpoll -lgnugetopt"
1248 strip="strip -d"
1249 ;;
1250 darwin)
1251 disable need_memalign
1252 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1253 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1254 strip="strip -x"
1255 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1256 SLIBSUF=".dylib"
1257 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1258 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1259 FFSERVERLDFLAGS=-Wl,-bind_at_load
1260 objformat="macho"
1261 ;;
1262 mingw32*)
1263 target_os=mingw32
1264 LIBTARGET=i386
1265 if test $arch = x86_64; then
1266 disable need_memalign
1267 LIBTARGET=x64
1268 fi
1269 shlibdir_default="$bindir_default"
1270 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1271 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1272 if enabled swscale; then
1273 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1274 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1275 fi
1276 disable ffserver
1277 SLIBPREF=""
1278 SLIBSUF=".dll"
1279 EXESUF=".exe"
1280 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1281 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1282 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1283 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1284 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1285 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1286 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1287 objformat="win32"
1288 ;;
1289 cygwin*)
1290 target_os=cygwin
1291 shlibdir_default="$bindir_default"
1292 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1293 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1294 if enabled swscale; then
1295 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1296 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1297 fi
1298 EXESUF=".exe"
1299 SLIBPREF="cyg"
1300 SLIBSUF=".dll"
1301 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1302 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1303 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1304 objformat="win32"
1305 ;;
1306 *-dos|freedos|opendos)
1307 disable ffplay ffserver vhook
1308 disable $INDEV_LIST $OUTDEV_LIST
1309 network_extralibs="-lsocket"
1310 EXESUF=".exe"
1311 objformat="win32"
1312 ;;
1313 linux)
1314 enable dv1394
1315 ;;
1316 irix*)
1317 target_os=irix
1318 ranlib="echo ignoring ranlib"
1319 ;;
1320 os/2*)
1321 strip="lxlite"
1322 ln_s="cp -f"
1323 EXESUF=".exe"
1324 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1325 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1326 FFSERVERLDFLAGS=""
1327 LIBSUF="_s.a"
1328 SLIBPREF=""
1329 SLIBSUF=".dll"
1330 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1331 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1332 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1333 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1334 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1335 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1336 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1337 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1338 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1339 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1340 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1341 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1342 disable vhook
1343 ;;
1344 interix)
1345 disable vhook
1346 ;;
1347
1348 *)
1349 target_os="${target_os}-UNKNOWN"
1350 ;;
1351 esac
1352
1353 set_default $PATHS_LIST
1354
1355 add_extralibs $osextralibs
1356
1357 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1358 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1359
1360 test -n "$cross_prefix" && enable cross_compile
1361
1362 # we need to build at least one lib type
1363 if ! enabled_any static shared; then
1364 cat <<EOF
1365 At least one library type must be built.
1366 Specify --enable-static to build the static libraries or --enable-shared to
1367 build the shared libraries as well. To only build the shared libraries specify
1368 --disable-static in addition to --enable-shared.
1369 EOF
1370 exit 1;
1371 fi
1372
1373 disabled static && LIBNAME=""
1374
1375 if enabled_any libfaad libfaadbin ; then
1376 if check_header faad.h; then
1377 check_cc << EOF
1378 #include <faad.h>
1379 #ifndef FAAD2_VERSION
1380 ok faad1
1381 #endif
1382 int main(void) { return 0; }
1383 EOF
1384 test $? = 0 && enable libfaad2
1385 else
1386 die "FAAD test failed."
1387 fi
1388 fi
1389
1390
1391 if ! enabled gpl; then
1392 die_gpl_disabled(){
1393 name=$1
1394 shift
1395 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1396 }
1397 die_gpl_disabled "The Postprocessing code" postproc
1398 die_gpl_disabled "liba52" liba52
1399 die_gpl_disabled "libx264" libx264
1400 die_gpl_disabled "libxvidcore" libxvid
1401 die_gpl_disabled "FAAD2" libfaad2
1402 die_gpl_disabled "The X11 grabber" x11grab
1403 die_gpl_disabled "The software scaler" swscale
1404 fi
1405
1406 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1407 die "libamr is nonfree and --enable-nonfree is not specified."
1408 fi
1409
1410 check_deps $ARCH_EXT_LIST
1411
1412 test -z "$need_memalign" && need_memalign="$mmx"
1413
1414 #Darwin CC versions
1415 if test $target_os = darwin; then
1416 if $cc -v 2>&1 | grep -q xlc; then
1417 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1418 else
1419 add_cflags "-pipe"
1420 check_cflags "-force_cpusubtype_ALL"
1421 check_cflags "-Wno-sign-compare"
1422 enabled shared || check_cflags -mdynamic-no-pic
1423 fi
1424 fi
1425
1426 disabled optimizations || check_cflags -fomit-frame-pointer
1427
1428 # Add processor-specific flags
1429 if test $cpu != "generic"; then
1430 warn_altivec(){
1431 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1432 }
1433 case $cpu in
1434 601|ppc601|PowerPC601)
1435 add_cflags "-mcpu=601"
1436 warn_altivec enabled PPC601
1437 ;;
1438 603*|ppc603*|PowerPC603*)
1439 add_cflags "-mcpu=603"
1440 warn_altivec enabled PPC603
1441 ;;
1442 604*|ppc604*|PowerPC604*)
1443 add_cflags "-mcpu=604"
1444 warn_altivec enabled PPC604
1445 ;;
1446 G3|g3|75*|ppc75*|PowerPC75*)
1447 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1448 warn_altivec enabled PPC75x
1449 ;;
1450 G4|g4|745*|ppc745*|PowerPC745*)
1451 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1452 warn_altivec disabled PPC745x
1453 ;;
1454 74*|ppc74*|PowerPC74*)
1455 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1456 warn_altivec disabled PPC74xx
1457 ;;
1458 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1459 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1460 warn_altivec disabled PPC970
1461 enable ppc64
1462 ;;
1463 Cell|CELL|cell)
1464 add_cflags "-mcpu=cell"
1465 warn_altivec disabled Cell
1466 enable ppc64
1467 ;;
1468 # targets that do NOT support conditional mov (cmov)
1469 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1470 add_cflags "-march=$cpu"
1471 disable cmov
1472 ;;
1473 # targets that do support conditional mov (cmov)
1474 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1475 add_cflags "-march=$cpu"
1476 enable cmov
1477 enable fast_cmov
1478 ;;
1479 # targets that do support conditional mov but on which it's slow
1480 pentium4|pentium4m|prescott|nocona)
1481 add_cflags "-march=$cpu"
1482 enable cmov
1483 disable fast_cmov
1484 ;;
1485 sparc64)
1486 add_cflags "-mcpu=v9"
1487 ;;
1488 arm*|cortex*)
1489 add_cflags "-mcpu=$cpu"
1490 ;;
1491 *)
1492 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1493 ;;
1494 esac
1495 fi
1496
1497 # make sure we can execute files in $TMPDIR
1498 cat > $TMPSH 2>> $logfile <<EOF
1499 #! /bin/sh
1500 EOF
1501 chmod +x $TMPSH >> $logfile 2>&1
1502 if ! $TMPSH >> $logfile 2>&1; then
1503 cat <<EOF
1504 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1505 variable to another directory and make sure that $TMPDIR1 is not mounted
1506 noexec.
1507 EOF
1508 die "Sanity test failed."
1509 fi
1510 rm $TMPSH
1511
1512 # compiler sanity check
1513 check_exec <<EOF
1514 int main(void){ return 0; }
1515 EOF
1516 if test "$?" != 0; then
1517 echo "$cc is unable to create an executable file."
1518 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1519 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1520 echo "Only do this if you know what cross compiling means."
1521 fi
1522 die "C compiler test failed."
1523 fi
1524
1525 check_cc <<EOF || die "Symbol mangling check failed."
1526 int ff_extern;
1527 EOF
1528 sym=$($nm -P -g $TMPO | grep ff_extern)
1529 extern_prefix=${sym%%ff_extern*}
1530
1531 check_asm inline_asm '""'
1532
1533 if enabled x86; then
1534 # check whether EBP is available on x86
1535 # As 'i' is stored on the stack, this program will crash
1536 # if the base pointer is used to access it because the
1537 # base pointer is cleared in the inline assembly code.
1538 check_exec_crash <<EOF && enable ebp_available
1539 volatile int i=0;
1540 asm volatile (
1541 "xorl %%ebp, %%ebp"
1542 ::: "%ebp");
1543 return i;
1544 EOF
1545
1546 # check wether EBX is available on x86
1547 check_asm ebx_available '"":::"%ebx"'
1548
1549 # check whether binutils is new enough to compile SSSE3/MMX2
1550 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1551 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1552
1553 check_asm bswap '"bswap %%eax" ::: "%eax"'
1554
1555 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1556 enabled x86_64 && append YASMFLAGS "-m amd64"
1557 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1558 case "$objformat" in
1559 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1560 *) append YASMFLAGS "-DPREFIX" ;;
1561 esac
1562 check_yasm "pabsw xmm0, xmm0" && enable yasm
1563 fi
1564
1565 # check for assembler specific support
1566
1567 if test $arch = "powerpc"; then
1568 check_cc <<EOF && enable dcbzl
1569 int main(void) {
1570 register long zero = 0;
1571 char data[1024];
1572 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1573 return 0;
1574 }
1575 EOF
1576 fi
1577
1578 # check for SIMD availability
1579
1580 # AltiVec flags: The FSF version of GCC differs from the Apple version
1581 if enabled altivec; then
1582 check_cflags -maltivec -mabi=altivec &&
1583 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1584 check_cflags -faltivec
1585
1586 # check if our compiler supports Motorola AltiVec C API
1587 check_cc <<EOF || disable altivec
1588 $inc_altivec_h
1589 int main(void) {
1590 vector signed int v1, v2, v3;
1591 v1 = vec_add(v2,v3);
1592 return 0;
1593 }
1594 EOF
1595
1596 # check if our compiler supports braces for vector declarations
1597 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1598 $inc_altivec_h
1599 int main (void) { (vector int) {1}; return 0; }
1600 EOF
1601 fi
1602
1603 # We have to check if pld is a nop and disable it.
1604 enabled armv4l && check_asm pld '"pld [r0]"'
1605 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1606 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1607 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1608 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1609 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1610 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1611 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1612
1613 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1614
1615 # ---
1616 # big/little-endian test
1617 check_cc <<EOF || die "endian test failed"
1618 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1619 EOF
1620 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1621
1622 # ---
1623 # check availability of some header files
1624
1625 if check_func dlopen; then
1626 ldl=
1627 elif check_func dlopen -ldl; then
1628 ldl=-ldl
1629 fi
1630
1631 check_func fork
1632 check_func gethrtime
1633 check_func getrusage
1634 check_func inet_aton $network_extralibs
1635 check_func memalign
1636 check_func mkstemp
1637 check_func2 windows.h GetProcessTimes
1638
1639 check_header byteswap.h
1640 check_header conio.h
1641 check_header dlfcn.h
1642 check_header malloc.h
1643 check_header sys/mman.h
1644 check_header sys/resource.h
1645 check_header termios.h
1646
1647 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1648 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1649 fi
1650
1651 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1652 enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1653
1654 # ffserver uses poll(),
1655 # if it's not found we can emulate it using select().
1656 if enabled ffserver; then
1657 check_header poll.h
1658 check_header sys/select.h
1659 fi
1660
1661 # check for some common methods of building with pthread support
1662 # do this before the optional library checks as some of them require pthreads
1663 if enabled pthreads; then
1664 if check_func pthread_create; then
1665 :
1666 elif check_func pthread_create -pthread; then
1667 add_cflags -pthread
1668 add_extralibs -pthread
1669 elif check_func pthread_create -pthreads; then
1670 add_cflags -pthreads
1671 add_extralibs -pthreads
1672 elif check_func pthread_create -lpthreadGC2; then
1673 add_extralibs -lpthreadGC2
1674 elif ! check_lib pthread.h pthread_create -lpthread; then
1675 die "ERROR: can't find pthreads library"
1676 fi
1677 fi
1678
1679 for thread in $THREADS_LIST; do
1680 if enabled $thread; then
1681 test -n "$thread_type" &&
1682 die "ERROR: Only one thread type must be selected." ||
1683 thread_type="$thread"
1684 fi
1685 done
1686
1687 check_lib math.h sin -lm
1688
1689 # test for C99 functions in math.h
1690 for func in llrint lrint lrintf round roundf; do
1691 check_exec <<EOF && enable $func || disable $func
1692 #define _ISOC9X_SOURCE 1
1693 #include <math.h>
1694 int main(void) { return ($func(3.999f) > 0)?0:1; }
1695 EOF
1696 done
1697
1698 # these are off by default, so fail if requested and not available
1699 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1700 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1701 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1702 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1703 enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1704 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1705 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1706 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1707 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1708 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1709 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1710 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1711 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1712 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1713 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1714 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1715 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1716 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1717 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1718
1719 # libdc1394 check
1720 if enabled libdc1394; then
1721 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1722 enable libdc1394_2; } ||
1723 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1724 enable libdc1394_1; } ||
1725 die "ERROR: No version of libdc1394 found "
1726 fi
1727
1728
1729 _restrict=
1730 for restrict_keyword in restrict __restrict__ __restrict; do
1731 check_cc <<EOF && _restrict=$restrict_keyword && break
1732 void foo(char * $restrict_keyword p);
1733 EOF
1734 done
1735
1736 test "$vhook" = "default" && vhook="$dlopen"
1737
1738 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1739 disable vhook
1740 echo
1741 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1742 echo "Patches welcome."
1743 echo
1744 fi
1745
1746 if enabled vhook; then
1747 check_ldflags -rdynamic
1748 check_ldflags -export-dynamic
1749 fi
1750
1751 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1752 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1753
1754 ##########################################
1755 # SDL check
1756
1757 disable sdl_too_old
1758 disable sdl
1759 SDL_CONFIG="${cross_prefix}sdl-config"
1760 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1761 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1762 temp_cflags $sdl_cflags
1763 temp_extralibs `"${SDL_CONFIG}" --libs`
1764 if check_lib2 SDL.h SDL_Init; then
1765 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1766 if test "$_sdlversion" -lt 121 ; then
1767 enable sdl_too_old
1768 else
1769 enable sdl
1770 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1771 #include <SDL.h>
1772 int main(int argc, char **argv){
1773 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1774 int w = vi->current_w;
1775 return 0;
1776 }
1777 EOF
1778 fi
1779 fi
1780 restore_flags
1781 fi
1782
1783 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1784
1785 ##########################################
1786 # Network check
1787
1788 if enabled network; then
1789 check_type sys/socket.h socklen_t
1790 # Prefer arpa/inet.h over winsock2
1791 if check_header arpa/inet.h ; then
1792 check_func closesocket
1793 elif check_header winsock2.h ; then
1794 network_extralibs="-lws2_32"
1795 check_type ws2tcpip.h socklen_t
1796 check_func2 winsock2.h closesocket
1797 fi
1798 fi
1799
1800 ##########################################
1801 # IPv6 check
1802
1803 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1804 #include <sys/types.h>
1805 #include <sys/socket.h>
1806 #include <netinet/in.h>
1807 #include <netdb.h>
1808 int main(void) {
1809 struct sockaddr_storage saddr;
1810 struct ipv6_mreq mreq6;
1811 getaddrinfo(0,0,0,0);
1812 getnameinfo(0,0,0,0,0,0,0);
1813 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1814 }
1815 EOF
1816
1817 check_header linux/videodev.h
1818 check_header linux/videodev2.h
1819
1820 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1821
1822 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1823 { check_header dev/bktr/ioctl_meteor.h &&
1824 check_header dev/bktr/ioctl_bt848.h; } ||
1825 { check_header machine/ioctl_meteor.h &&
1826 check_header machine/ioctl_bt848.h; } ||
1827 { check_header dev/video/meteor/ioctl_meteor.h &&
1828 check_header dev/video/bktr/ioctl_bt848.h; } ||
1829 check_header dev/ic/bt8xx.h
1830
1831 check_header sys/soundcard.h
1832 check_header soundcard.h
1833
1834 # deal with the X11 frame grabber
1835 enabled x11grab &&
1836 check_header X11/Xlib.h &&
1837 check_header X11/extensions/XShm.h &&
1838 check_func XOpenDisplay -lX11 &&
1839 check_func XShmCreateImage -lX11 -lXext
1840
1841 enabled debug && add_cflags -g"$debuglevel"
1842
1843 # add some useful compiler flags if supported
1844 check_cflags -Wdeclaration-after-statement
1845 check_cflags -Wall
1846 check_cflags -Wno-switch
1847 check_cflags -Wdisabled-optimization
1848 check_cflags -Wpointer-arith
1849 check_cflags -Wredundant-decls
1850 check_cflags -Wno-pointer-sign
1851 check_cflags -Wcast-qual
1852 check_cflags -Wwrite-strings
1853 check_cflags -Wtype-limits
1854 enabled extra_warnings && check_cflags -Winline
1855
1856 # add some linker flags
1857 check_ldflags -Wl,--warn-common
1858 check_ldflags -Wl,--as-needed
1859 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
1860 check_ldflags -Wl,-Bsymbolic
1861
1862 if enabled small; then
1863 check_cflags -Os # not all compilers support -Os
1864 optimizations="small"
1865 elif enabled optimizations; then
1866 if $cc -v 2>&1 | grep -q xlc; then
1867 add_cflags "-O5"
1868 add_ldflags "-O5"
1869 else
1870 add_cflags "-O3"
1871 fi
1872 fi
1873 check_cflags -fno-math-errno
1874 check_cflags -fno-signed-zeros
1875
1876 # add some flags for Intel C Compiler
1877 if $cc --version | grep -q Intel; then
1878 # Just warnings, no remarks
1879 check_cflags -w1
1880 # -wd: Disable following warnings
1881 # 144, 167, 556: -Wno-pointer-sign
1882 # 10006: ignoring unknown option -fno-signed-zeros
1883 # 10156: ignoring option '-W'; no argument required
1884 check_cflags -wd144,167,556,10006,10156
1885 # 11030: Warning unknown option --as-needed
1886 # 10156: ignoring option '-export'; no argument required
1887 check_ldflags -wd10156,11030
1888 # Allow to compile with optimizations
1889 check_ldflags -march=$cpu
1890 fi
1891
1892 # PIC flags for shared library objects where they are needed
1893 if enabled shared; then
1894 # LIBOBJFLAGS may have already been set in the OS configuration
1895 if test -z "$LIBOBJFLAGS" ; then
1896 case "$arch" in
1897 x86_64|ia64|alpha|sparc*|power*|parisc*) LIBOBJFLAGS='$(PIC)' ;;
1898 esac
1899 fi
1900 fi
1901
1902 if enabled gprof; then
1903 add_cflags "-p"
1904 add_ldflags "-p"
1905 fi
1906
1907 VHOOKCFLAGS="-fPIC"
1908
1909 # Find out if the .align argument is a power of two or not.
1910 if test $asmalign_pot = "unknown"; then
1911 disable asmalign_pot
1912 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1913 fi
1914
1915 enabled_any $DECODER_LIST && enable decoders
1916 enabled_any $ENCODER_LIST && enable encoders
1917 enabled_any $BSF_LIST && enable bsfs
1918 enabled_any $DEMUXER_LIST && enable demuxers
1919 enabled_any $MUXER_LIST && enable muxers
1920 enabled_any $FILTER_LIST && enable filters
1921 enabled_any $INDEV_LIST && enable demuxers
1922 enabled_any $OUTDEV_LIST && enable muxers
1923 enabled_any $PROTOCOL_LIST && enable protocols
1924
1925 enabled_any $THREADS_LIST && enable threads
1926
1927 check_deps $CONFIG_LIST \
1928 $HAVE_LIST \
1929 $DECODER_LIST \
1930 $ENCODER_LIST \
1931 $PARSER_LIST \
1932 $BSF_LIST \
1933 $DEMUXER_LIST \
1934 $MUXER_LIST \
1935 $FILTER_LIST \
1936 $INDEV_LIST \
1937 $OUTDEV_LIST \
1938 $PROTOCOL_LIST \
1939
1940 enabled libdc1394 && append pkg_requires "libraw1394"
1941 enabled libdirac && append pkg_requires "dirac"
1942 enabled libtheora && append pkg_requires "theora"
1943 enabled libvorbis && append pkg_requires "vorbisenc"
1944
1945 echo "install prefix $prefix"
1946 echo "source path $source_path"
1947 echo "C compiler $cc"
1948 echo ".align is power-of-two $asmalign_pot"
1949 echo "ARCH $arch ($cpu)"
1950 if test "$build_suffix" != ""; then
1951 echo "build suffix $build_suffix"
1952 fi
1953 echo "big-endian ${bigendian-no}"
1954 if test $arch = "x86_32" -o $arch = "x86_64"; then
1955 echo "yasm ${yasm-no}"
1956 echo "MMX enabled ${mmx-no}"
1957 echo "CMOV enabled ${cmov-no}"
1958 echo "CMOV is fast ${fast_cmov-no}"
1959 echo "EBX available ${ebx_available-no}"
1960 echo "EBP available ${ebp_available-no}"
1961 fi
1962 if test $arch = "armv4l"; then
1963 echo "ARMv5TE enabled ${armv5te-no}"
1964 echo "ARMv6 enabled ${armv6-no}"
1965 echo "ARM VFP enabled ${armvfp-no}"
1966 echo "IWMMXT enabled ${iwmmxt-no}"
1967 echo "NEON enabled ${neon-no}"
1968 fi
1969 if test $arch = "mips"; then
1970 echo "MMI enabled ${mmi-no}"
1971 fi
1972 if test $arch = "powerpc"; then
1973 echo "AltiVec enabled ${altivec-no}"
1974 echo "dcbzl available ${dcbzl-no}"
1975 fi
1976 echo "gprof enabled ${gprof-no}"
1977 echo "debug symbols ${debug-no}"
1978 echo "strip symbols ${stripping-no}"
1979 echo "optimizations ${optimizations-no}"
1980 echo "static ${static-no}"
1981 echo "shared ${shared-no}"
1982 echo "postprocessing support ${postproc-no}"
1983 echo "software scaler enabled ${swscale-no}"
1984 echo "new filter support ${avfilter-no}"
1985 echo "filters using lavformat ${avfilter_lavf-no}"
1986 echo "video hooking ${vhook-no}"
1987 if enabled vhook; then
1988 echo "Imlib2 support ${imlib2-no}"
1989 echo "FreeType support ${freetype2-no}"
1990 fi
1991 echo "network support ${network-no}"
1992 if enabled network; then
1993 echo "IPv6 support ${ipv6-no}"
1994 fi
1995 echo "threading support ${thread_type-no}"
1996 echo "SDL support ${sdl-no}"
1997 if enabled sdl_too_old; then
1998 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1999 fi
2000 echo "Sun medialib support ${mlib-no}"
2001 echo "AVISynth enabled ${avisynth-no}"
2002 echo "liba52 support ${liba52-no}"
2003 echo "liba52 dlopened ${liba52bin-no}"
2004 echo "libamr-nb support ${libamr_nb-no}"
2005 echo "libamr-wb support ${libamr_wb-no}"
2006 echo "libdc1394 support ${libdc1394-no}"
2007 echo "libdirac enabled ${libdirac-no}"
2008 echo "libfaac enabled ${libfaac-no}"
2009 echo "libfaad enabled ${libfaad-no}"
2010 echo "libfaad dlopened ${libfaadbin-no}"
2011 echo "libgsm enabled ${libgsm-no}"
2012 echo "libmp3lame enabled ${libmp3lame-no}"
2013 echo "libnut enabled ${libnut-no}"
2014 echo "libschroedinger enabled ${libschroedinger-no}"
2015 echo "libtheora enabled ${libtheora-no}"
2016 echo "libvorbis enabled ${libvorbis-no}"
2017 echo "libx264 enabled ${libx264-no}"
2018 echo "libxvid enabled ${libxvid-no}"
2019 echo "zlib enabled ${zlib-no}"
2020 echo "bzlib enabled ${bzlib-no}"
2021 echo
2022
2023 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2024 echo "Enabled ${type}s:"
2025 eval list=\$$(toupper $type)_LIST
2026 for part in $list; do
2027 enabled $part && echo ${part%_*}
2028 done | sort | pr -3 -t
2029 echo
2030 done
2031
2032 license="LGPL"
2033 if enabled nonfree; then
2034 license="unredistributable"
2035 elif enabled gpl; then
2036 license="GPL"
2037 fi
2038
2039 echo "License: $license"
2040
2041 echo "Creating config.mak and config.h..."
2042
2043 echo "# Automatically generated by configure - do not modify!" > config.mak
2044 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2045 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2046 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2047 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2048
2049 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2050 echo "prefix=$prefix" >> config.mak
2051 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2052 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2053 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2054 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2055 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2056 echo "CC=$cc" >> config.mak
2057 echo "YASM=$yasmexe" >> config.mak
2058 echo "AR=$ar" >> config.mak
2059 echo "RANLIB=$ranlib" >> config.mak
2060 echo "LN_S=$ln_s" >> config.mak
2061 enabled stripping &&
2062 echo "STRIP=$strip" >> config.mak ||
2063 echo "STRIP=echo ignoring strip" >> config.mak
2064
2065 echo "OPTFLAGS=$CFLAGS" >> config.mak
2066 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2067 echo "LDFLAGS=$LDFLAGS" >> config.mak
2068 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2069 echo "SHFLAGS=$SHFLAGS" >> config.mak
2070 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2071 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2072 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2073 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2074 echo "BUILD_STATIC=$static" >> config.mak
2075 echo "BUILDSUF=$build_suffix" >> config.mak
2076 echo "FULLNAME=$FULLNAME" >> config.mak
2077 echo "LIBPREF=$LIBPREF" >> config.mak
2078 echo "LIBSUF=$LIBSUF" >> config.mak
2079 echo "LIBNAME=$LIBNAME" >> config.mak
2080 echo "SLIBPREF=$SLIBPREF" >> config.mak
2081 echo "SLIBSUF=$SLIBSUF" >> config.mak
2082 echo "EXESUF=$EXESUF" >> config.mak
2083 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2084
2085 if enabled bigendian; then
2086 echo "WORDS_BIGENDIAN=yes" >> config.mak
2087 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2088 fi
2089
2090 if enabled sdl; then
2091 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2092 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2093 fi
2094 if enabled texi2html; then
2095 echo "BUILD_DOC=yes" >> config.mak
2096 fi
2097
2098 get_version(){
2099 name=$1
2100 file=$source_path/$2
2101 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2102 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2103 lcname=$(tolower $name)
2104 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2105 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2106 }
2107
2108 get_version LIBSWSCALE libswscale/swscale.h
2109 get_version LIBPOSTPROC libpostproc/postprocess.h
2110 get_version LIBAVCODEC libavcodec/avcodec.h
2111 get_version LIBAVDEVICE libavdevice/avdevice.h
2112 get_version LIBAVFORMAT libavformat/avformat.h
2113 get_version LIBAVUTIL libavutil/avutil.h
2114 get_version LIBAVFILTER libavfilter/avfilter.h
2115
2116 if enabled shared; then
2117 echo "BUILD_SHARED=yes" >> config.mak
2118 echo "PIC=-fPIC -DPIC" >> config.mak
2119 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2120 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2121 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2122 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2123 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2124 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2125 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2126 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2127 fi
2128 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2129 echo "EXTRALIBS=$extralibs" >> config.mak
2130
2131 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2132 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2133 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2134 $DECODER_LIST \
2135 $ENCODER_LIST \
2136 $PARSER_LIST \
2137 $BSF_LIST \
2138 $DEMUXER_LIST \
2139 $MUXER_LIST \
2140 $FILTER_LIST \
2141 $PROTOCOL_LIST \
2142 $INDEV_LIST \
2143 $OUTDEV_LIST \
2144
2145 echo "#define restrict $_restrict" >> $TMPH
2146
2147 if enabled small; then
2148 echo "#define av_always_inline" >> $TMPH
2149 fi
2150
2151 echo "SRC_PATH=\"$source_path\"" >> config.mak
2152 echo "SRC_PATH_BARE=$source_path" >> config.mak
2153 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2154
2155 # Apparently it's not possible to portably echo a backslash.
2156 enabled asmalign_pot &&
2157 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2158 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2159
2160 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2161
2162 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2163
2164 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2165 cmp -s $TMPH config.h &&
2166 echo "config.h is unchanged" ||
2167 mv -f $TMPH config.h
2168
2169 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2170
2171 # build tree in object directory if source path is different from current one
2172 if enabled source_path_used; then
2173 DIRS="\
2174 doc \
2175 libavcodec \
2176 libavcodec/alpha \
2177 libavcodec/armv4l \
2178 libavcodec/bfin \
2179 libavcodec/i386 \
2180 libavcodec/mlib \
2181 libavcodec/ppc \
2182 libavcodec/sh4 \
2183 libavcodec/sparc \
2184 libavdevice \
2185 libavfilter \
2186 libavformat \
2187 libavutil \
2188 libpostproc \
2189 libswscale \
2190 tests \
2191 tools \
2192 vhook \
2193 "
2194 FILES="\
2195 Makefile \
2196 common.mak \
2197 subdir.mak \
2198 doc/texi2pod.pl \
2199 libavcodec/Makefile \
2200 libavdevice/Makefile \
2201 libavfilter/Makefile \
2202 libavformat/Makefile \
2203 libavutil/Makefile \
2204 libpostproc/Makefile \
2205 libswscale/Makefile \
2206 "
2207 for dir in $DIRS ; do
2208 mkdir -p $dir
2209 done
2210 for f in $FILES ; do
2211 $ln_s "$source_path/$f" $f
2212 done
2213 fi
2214
2215
2216 # build pkg-config files
2217
2218 pkgconfig_generate(){
2219 name=$1
2220 shortname=${name#lib}
2221 comment=$2
2222 version=$3
2223 libs=$4
2224 requires=$5
2225 cat <<EOF > $name/$name.pc
2226 prefix=$prefix
2227 exec_prefix=\${prefix}
2228 libdir=$libdir
2229 includedir=$incdir
2230
2231 Name: $name
2232 Description: $comment
2233 Version: $version
2234 Requires: $(disabled shared && echo $requires)
2235 Requires.private: $(enabled shared && echo $requires)
2236 Conflicts:
2237 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2238 Libs.private: $(enabled shared && echo $libs)
2239 Cflags: -I\${includedir}
2240 EOF
2241 cat <<EOF > $name/$name-uninstalled.pc
2242 prefix=
2243 exec_prefix=
2244 libdir=\${pcfiledir}
2245 includedir=\${pcfiledir}/..
2246
2247 Name: $name
2248 Description: $comment
2249 Version: $version
2250 Requires: $requires
2251 Conflicts:
2252 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2253 Cflags: -I\${includedir}
2254 EOF
2255 }
2256
2257 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2258 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2259 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2260 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2261 enabled avfilter &&
2262 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2263 enabled postproc &&
2264 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2265 if enabled swscale; then
2266 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2267 else
2268 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2269 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2270 fi