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