Check for the presence of sys/select.h and conditionally #include it.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
65 echo " --enable-static build static libraries [default=yes]"
66 echo " --disable-static do not build static libraries [default=no]"
67 echo " --enable-shared build shared libraries [default=no]"
68 echo " --disable-shared do not build shared libraries [default=yes]"
69 echo " --enable-gpl allow use of GPL code, the resulting libav*"
70 echo " and ffmpeg will be under GPL [default=no]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-beosthreads use BeOS threads [default=no]"
74 echo " --enable-os2threads use OS/2 threads [default=no]"
75 echo " --enable-pthreads use pthreads [default=no]"
76 echo " --enable-w32threads use Win32 threads [default=no]"
77 echo " --enable-x11grab enable X11 grabbing [default=no]"
78 echo
79 echo "External library support:"
80 echo " --enable-sunmlib use Sun medialib [default=no]"
81 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
82 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
85 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
86 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
87 echo " and libraw1394 [default=no]"
88 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
89 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
90 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
91 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
92 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
93 echo " --enable-libnut enable NUT (de)muxing via libnut,"
94 echo " native demuxer exists [default=no]"
95 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
96 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
97 echo " native implementation exists [default=no]"
98 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
99 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
100 echo " native MPEG-4/Xvid encoder exists [default=no]"
101 echo ""
102 echo "Advanced options (experts only):"
103 echo " --source-path=PATH path to source code [$source_path]"
104 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
105 echo " --cross-compile assume a cross-compiler is used"
106 echo " --target-os=OS compiler targets OS [$targetos]"
107 echo " --cc=CC use C compiler CC [$cc]"
108 echo " --make=MAKE use specified make [$make]"
109 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
110 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
111 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
112 echo " --build-suffix=SUFFIX suffix for application specific build []"
113 echo " --arch=ARCH select architecture [$arch]"
114 echo " --cpu=CPU selects the minimum cpu required (affects"
115 echo " instruction selection, may crash on older CPUs)"
116 echo " --enable-powerpc-perf enable performance report on PPC"
117 echo " (requires enabling PMC)"
118 echo " --disable-mmx disable MMX usage"
119 echo " --disable-armv5te disable armv5te usage"
120 echo " --disable-armv6 disable armv6 usage"
121 echo " --disable-iwmmxt disable iwmmxt usage"
122 echo " --disable-altivec disable AltiVec usage"
123 echo " --disable-network disable network support [default=no]"
124 echo " --disable-ipv6 disable ipv6 support [default=no]"
125 echo " --disable-zlib disable zlib [default=no]"
126 echo " --disable-vhook disable video hooking support"
127 echo " --disable-debug disable debugging symbols"
128 echo " --disable-mpegaudio-hp faster (but less accurate)"
129 echo " MPEG audio decoding [default=no]"
130 echo " --enable-gray enable full grayscale support (slower color)"
131 echo " --disable-ffmpeg disable ffmpeg build"
132 echo " --disable-ffserver disable ffserver build"
133 echo " --disable-ffplay disable ffplay build"
134 echo " --enable-small optimize for size instead of speed"
135 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
136 echo " --disable-encoder=NAME disables encoder NAME"
137 echo " --enable-encoder=NAME enables encoder NAME"
138 echo " --disable-decoder=NAME disables decoder NAME"
139 echo " --enable-decoder=NAME enables decoder NAME"
140 echo " --disable-encoders disables all encoders"
141 echo " --disable-decoders disables all decoders"
142 echo " --disable-muxer=NAME disables muxer NAME"
143 echo " --enable-muxer=NAME enables muxer NAME"
144 echo " --disable-muxers disables all muxers"
145 echo " --disable-demuxer=NAME disables demuxer NAME"
146 echo " --enable-demuxer=NAME enables demuxer NAME"
147 echo " --disable-demuxers disables all demuxers"
148 echo " --enable-parser=NAME enables parser NAME"
149 echo " --disable-parser=NAME disables parser NAME"
150 echo " --disable-parsers disables all parsers"
151 echo " --enable-bsf=NAME enables bitstream filter NAME"
152 echo " --disable-bsf=NAME disables bitstream filter NAME"
153 echo " --disable-bsfs disables all bitstream filters"
154 echo " --enable-protocol=NAME enables protocol NAME"
155 echo " --disable-protocol=NAME disables protocol NAME"
156 echo " --disable-protocols disables all protocols"
157 echo " --disable-devices disables all devices"
158 echo " --list-decoders show all available decoders"
159 echo " --list-encoders show all available encoders"
160 echo " --list-muxers show all available muxers"
161 echo " --list-demuxers show all available demuxers"
162 echo " --list-parsers show all available parsers"
163 echo " --list-protocols show all available protocols"
164 echo " --list-bsfs show all available bitstream filters"
165 echo " --list-indevs show all available input devices"
166 echo " --list-outdevs show all available output devices"
167 echo
168 echo "Developer options (useful when working on FFmpeg itself):"
169 echo " --enable-gprof enable profiling with gprof [$gprof]"
170 echo " --disable-optimizations disable compiler optimizations"
171 echo " --enable-extra-warnings enable more compiler warnings"
172 echo " --disable-strip disable stripping of executables and shared libraries"
173 echo ""
174 echo "NOTE: Object files are built at the place where configure is launched."
175 exit 1
176 }
177
178 log(){
179 echo "$@" >>$logfile
180 }
181
182 log_file(){
183 log BEGIN $1
184 pr -n -t $1 >>$logfile
185 log END $1
186 }
187
188 echolog(){
189 log "$@"
190 echo "$@"
191 }
192
193 die(){
194 echolog "$@"
195 cat <<EOF
196 If you think configure made a mistake, make sure you are using the latest
197 version from SVN. If the latest version fails, report the problem to the
198 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
199 EOF
200 if enabled logging; then
201 cat <<EOF
202 Include the log file "$logfile" produced by configure as this will help
203 solving the problem.
204 EOF
205 else
206 cat <<EOF
207 Rerun configure with logging enabled (do not use --log=no), and include the
208 log this produces with your report.
209 EOF
210 fi
211 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
212 exit 1
213 }
214
215 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
216 toupper(){
217 echo "$@" | tr '[a-z]' '[A-Z]'
218 }
219
220 tolower(){
221 echo "$@" | tr '[A-Z]' '[a-z]'
222 }
223
224 set_all(){
225 value=$1
226 shift
227 for var in $*; do
228 eval $var=$value
229 done
230 }
231
232 pushvar(){
233 for var in $*; do
234 eval level=\${${var}_level:=0}
235 eval ${var}_${level}="\$$var"
236 eval ${var}_level=$(($level+1))
237 done
238 }
239
240 popvar(){
241 for var in $*; do
242 eval level=\${${var}_level:-0}
243 test $level = 0 && continue
244 eval level=$(($level-1))
245 eval $var="\${${var}_${level}}"
246 eval ${var}_level=$level
247 eval unset ${var}_${level}
248 done
249 }
250
251 enable(){
252 set_all yes $*
253 }
254
255 disable(){
256 set_all no $*
257 }
258
259 enabled(){
260 eval test "x\$$1" = "xyes"
261 }
262
263 disabled(){
264 eval test "x\$$1" = "xno"
265 }
266
267 enabled_all(){
268 for opt; do
269 enabled $opt || return 1
270 done
271 }
272
273 disabled_all(){
274 for opt; do
275 disabled $opt || return 1
276 done
277 }
278
279 enabled_any(){
280 for opt; do
281 enabled $opt && return 0
282 done
283 }
284
285 disabled_any(){
286 for opt; do
287 disabled $opt && return 0
288 done
289 }
290
291 is_in(){
292 value=$1
293 shift
294 for var in $*; do
295 [ $var = $value ] && return 0
296 done
297 return 1
298 }
299
300 check_deps(){
301 for cfg; do
302 enabled ${cfg}_checking && die "Circular dependency for $cfg."
303 disabled ${cfg}_checking && continue
304 enable ${cfg}_checking
305
306 eval dep_all="\$${cfg}_deps"
307 eval dep_any="\$${cfg}_deps_any"
308
309 pushvar cfg dep_all dep_any
310 check_deps $dep_all $dep_any
311 popvar cfg dep_all dep_any
312
313 enabled_all $dep_all || disable $cfg
314 enabled_any $dep_any || disable $cfg
315
316 if enabled $cfg; then
317 eval dep_extralibs="\$${cfg}_extralibs"
318 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
319 fi
320
321 disable ${cfg}_checking
322 done
323 }
324
325 print_config(){
326 pfx=$1
327 header=$2
328 makefile=$3
329 shift 3
330 for cfg; do
331 ucname="`toupper $cfg`"
332 if enabled $cfg; then
333 echo "#define ${pfx}${ucname} 1" >> $header
334 echo "#define ENABLE_${ucname} 1" >> $header
335 echo "${pfx}${ucname}=yes" >> $makefile
336 else
337 echo "#define ENABLE_${ucname} 0" >> $header
338 fi
339 done
340 }
341
342 flags_saved(){
343 (: ${SAVE_CFLAGS?}) 2>/dev/null
344 }
345
346 save_flags(){
347 flags_saved && return
348 SAVE_CFLAGS="$CFLAGS"
349 SAVE_LDFLAGS="$LDFLAGS"
350 SAVE_extralibs="$extralibs"
351 }
352
353 restore_flags(){
354 flags_saved || return
355 CFLAGS="$SAVE_CFLAGS"
356 LDFLAGS="$SAVE_LDFLAGS"
357 extralibs="$SAVE_extralibs"
358 unset SAVE_CFLAGS
359 unset SAVE_LDFLAGS
360 unset SAVE_extralibs
361 }
362
363 temp_cflags(){
364 save_flags
365 CFLAGS="$CFLAGS $*"
366 }
367
368 temp_ldflags(){
369 save_flags
370 LDFLAGS="$LDFLAGS $*"
371 }
372
373 temp_extralibs(){
374 save_flags
375 extralibs="$extralibs $*"
376 }
377
378 append(){
379 var=$1
380 shift
381 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
382 eval "$var=\"\$$var $*\""
383 }
384
385 add_cflags(){
386 append CFLAGS "$@"
387 }
388
389 add_ldflags(){
390 append LDFLAGS "$@"
391 }
392
393 add_extralibs(){
394 append extralibs "$@"
395 }
396
397 check_cmd(){
398 log "$@"
399 "$@" >>$logfile 2>&1
400 }
401
402 check_cc(){
403 log check_cc "$@"
404 cat >$TMPC
405 log_file $TMPC
406 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
407 }
408
409 check_cpp(){
410 log check_cpp "$@"
411 cat >$TMPC
412 log_file $TMPC
413 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
414 }
415
416 check_asm(){
417 log check_asm "$@"
418 name="$1"
419 asm="$2"
420 shift 2
421 check_cc "$@" <<EOF && enable $name || disable $name
422 int foo(void){
423 asm volatile($asm);
424 }
425 EOF
426 }
427
428 check_ld(){
429 log check_ld "$@"
430 check_cc || return
431 flags=''
432 libs=''
433 for f; do
434 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
435 done
436 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
437 }
438
439 check_cflags(){
440 log check_cflags "$@"
441 check_cc "$@" <<EOF && add_cflags "$@"
442 int x;
443 EOF
444 }
445
446 check_ldflags(){
447 log check_ldflags "$@"
448 check_ld "$@" <<EOF && add_ldflags "$@"
449 int main(void){
450 return 0;
451 }
452 EOF
453 }
454
455 check_header(){
456 log check_header "$@"
457 header=$1
458 shift
459 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
460 disable $var
461 check_cpp "$@" <<EOF && enable $var
462 #include <$header>
463 int x;
464 EOF
465 }
466
467 check_func(){
468 log check_func "$@"
469 func=$1
470 shift
471 disable $func
472 check_ld "$@" <<EOF && enable $func
473 extern int $func();
474 int main(void){
475 $func();
476 }
477 EOF
478 }
479
480 check_func2(){
481 log check_func2 "$@"
482 headers=$1
483 func=$2
484 shift 2
485 disable $func
486 incs=""
487 for hdr in $headers; do
488 incs="$incs
489 #include <$hdr>"
490 done
491 check_ld "$@" <<EOF && enable $func
492 $incs
493 int main(void){
494 (void) $func;
495 return 0;
496 }
497 EOF
498 }
499
500 check_lib(){
501 log check_lib "$@"
502 header="$1"
503 func="$2"
504 shift 2
505 temp_extralibs "$@"
506 check_header $header && check_func $func && add_extralibs "$@"
507 err=$?
508 restore_flags
509 return $err
510 }
511
512 check_lib2(){
513 log check_lib2 "$@"
514 headers="$1"
515 func="$2"
516 shift 2
517 temp_extralibs "$@"
518 check_func2 "$headers" $func && add_extralibs "$@"
519 err=$?
520 restore_flags
521 return $err
522 }
523
524 check_exec(){
525 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
526 }
527
528 check_exec_crash(){
529 code=`cat`
530
531 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
532 # are safe but may not be available everywhere. Thus we use
533 # raise(SIGTERM) instead. The check is run in a subshell so we
534 # can redirect the "Terminated" message from the shell. SIGBUS
535 # is not defined by standard C so it is used conditionally.
536
537 (check_exec "$@") >>$logfile 2>&1 <<EOF
538 #include <signal.h>
539 static void sighandler(int sig){
540 raise(SIGTERM);
541 }
542 int main(void){
543 signal(SIGILL, sighandler);
544 signal(SIGFPE, sighandler);
545 signal(SIGSEGV, sighandler);
546 #ifdef SIGBUS
547 signal(SIGBUS, sighandler);
548 #endif
549 { $code }
550 }
551 EOF
552 }
553
554 require(){
555 name="$1"
556 header="$2"
557 func="$3"
558 shift 3
559 check_lib $header $func "$@" || die "ERROR: $name not found"
560 }
561
562 require2(){
563 name="$1"
564 headers="$2"
565 func="$3"
566 shift 3
567 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
568 }
569
570 check_foo_config(){
571 cfg=$1
572 pkg=$2
573 header=$3
574 func=$4
575 shift 4
576 disable $cfg
577 check_cmd ${pkg}-config --version
578 err=$?
579 if test "$err" = 0; then
580 temp_cflags `${pkg}-config --cflags`
581 temp_extralibs `${pkg}-config --libs`
582 check_lib "$@" $header $func && enable $cfg
583 fi
584 return $err
585 }
586
587 apply(){
588 file=$1
589 shift
590 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
591 }
592
593 COMPONENT_LIST="
594 bsfs
595 decoders
596 demuxers
597 encoders
598 indevs
599 muxers
600 outdevs
601 parsers
602 protocols
603 "
604
605 CONFIG_LIST="
606 $COMPONENT_LIST
607 avisynth
608 beos_netserver
609 ffmpeg
610 ffplay
611 ffserver
612 gpl
613 gprof
614 gray
615 ipv6
616 liba52
617 liba52bin
618 libamr
619 libamr_nb
620 libamr_wb
621 libdc1394
622 libfaac
623 libfaad
624 libfaadbin
625 libgsm
626 libmp3lame
627 libnut
628 libtheora
629 libvorbis
630 libx264
631 libxvid
632 memalign_hack
633 mpegaudio_hp
634 network
635 powerpc_perf
636 pp
637 small
638 swscaler
639 vhook
640 x11grab
641 zlib
642 "
643
644 THREADS_LIST='
645 beosthreads
646 os2threads
647 pthreads
648 w32threads
649 '
650
651 ARCH_LIST='
652 alpha
653 armv4l
654 bfin
655 ia64
656 m68k
657 mips
658 parisc
659 powerpc
660 s390
661 sh4
662 sparc
663 sparc64
664 x86
665 x86_32
666 x86_64
667 '
668
669 ARCH_EXT_LIST='
670 altivec
671 armv5te
672 armv6
673 iwmmxt
674 mmi
675 mmx
676 ssse3
677 vis
678 '
679
680 HAVE_LIST="
681 $ARCH_EXT_LIST
682 $THREADS_LIST
683 altivec_h
684 arpa_inet_h
685 byteswap_h
686 closesocket
687 cmov
688 conio_h
689 dcbzl
690 dev_bktr_ioctl_bt848_h
691 dev_bktr_ioctl_meteor_h
692 dev_ic_bt8xx_h
693 dev_video_meteor_ioctl_meteor_h
694 dev_video_bktr_ioctl_bt848_h
695 dlfcn_h
696 dlopen
697 ebp_available
698 ebx_available
699 fast_64bit
700 fast_cmov
701 fast_unaligned
702 fork
703 freetype2
704 gethrtime
705 GetProcessTimes
706 getrusage
707 imlib2
708 inet_aton
709 lrintf
710 machine_ioctl_bt848_h
711 machine_ioctl_meteor_h
712 malloc_h
713 memalign
714 mkstemp
715 mlib
716 ppc64
717 sdl
718 sdl_video_size
719 soundcard_h
720 sys_poll_h
721 sys_select_h
722 sys_soundcard_h
723 termios_h
724 threads
725 winsock2_h
726 "
727
728 CMDLINE_SELECT="
729 $ARCH_EXT_LIST
730 $CONFIG_LIST
731 $THREADS_LIST
732 debug
733 extra_warnings
734 optimizations
735 shared
736 static
737 "
738
739 # code dependency declarations
740
741 # architecture extensions
742 altivec_deps="powerpc"
743 armv5te_deps="armv4l"
744 armv6_deps="armv4l"
745 iwmmxt_deps="armv4l"
746 mmi_deps="mips"
747 mmx_deps="x86"
748 ssse3_deps="x86"
749 vis_deps="sparc"
750
751 # decoders / encoders
752 ac3_decoder_deps="gpl"
753 dxa_decoder_deps="zlib"
754 flashsv_decoder_deps="zlib"
755 flashsv_encoder_deps="zlib"
756 flv_decoder_deps="h263_decoder"
757 h263_decoder_deps="h263_parser mpeg4video_parser"
758 h263i_decoder_deps="h263_decoder"
759 h264_decoder_deps="h264_parser"
760 mpeg_xvmc_decoder_deps="xvmc"
761 mpeg4_decoder_deps="h263_decoder"
762 msmpeg4v1_decoder_deps="h263_decoder"
763 msmpeg4v2_decoder_deps="h263_decoder"
764 msmpeg4v3_decoder_deps="h263_decoder"
765 png_decoder_deps="zlib"
766 png_encoder_deps="zlib"
767 svq3_decoder_deps="h264_parser"
768 vc1_decoder_deps="h263_decoder"
769 wmv1_decoder_deps="h263_decoder"
770 wmv2_decoder_deps="h263_decoder"
771 wmv3_decoder_deps="h263_decoder"
772 zmbv_decoder_deps="zlib"
773 zmbv_encoder_deps="zlib"
774
775 # external libraries
776 liba52_decoder_deps="liba52"
777 liba52bin_decoder_extralibs='$ldl'
778 libamr_nb_decoder_deps="libamr_nb"
779 libamr_nb_encoder_deps="libamr_nb"
780 libamr_wb_decoder_deps="libamr_wb"
781 libamr_wb_encoder_deps="libamr_wb"
782 libfaac_encoder_deps="libfaac"
783 libfaad_decoder_deps="libfaad"
784 libfaadbin_decoder_extralibs='$ldl'
785 libgsm_decoder_deps="libgsm"
786 libgsm_encoder_deps="libgsm"
787 libgsm_ms_decoder_deps="libgsm"
788 libgsm_ms_encoder_deps="libgsm"
789 libmp3lame_encoder_deps="libmp3lame"
790 libtheora_encoder_deps="libtheora"
791 libvorbis_encoder_deps="libvorbis"
792 libx264_encoder_deps="libx264"
793 libxvid_encoder_deps="libxvid"
794 mpeg4aac_decoder_deps="libfaad"
795
796 # demuxers / muxers
797 ac3_demuxer_deps="ac3_parser"
798 audio_beos_demuxer_deps="audio_beos"
799 audio_beos_demuxer_extralibs="-lmedia -lbe"
800 audio_beos_muxer_deps="audio_beos"
801 audio_beos_muxer_extralibs="-lmedia -lbe"
802 avisynth_demuxer_deps="avisynth"
803 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
804 dv1394_demuxer_deps="dv1394 dv_demuxer"
805 libdc1394_demuxer_deps="libdc1394"
806 libnut_demuxer_deps="libnut"
807 libnut_muxer_deps="libnut"
808 mp3_demuxer_deps="mpegaudio_parser"
809 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
810 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
811 redir_demuxer_deps="network"
812 rtp_muxer_deps="network mpegts_demuxer"
813 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
814 sdp_demuxer_deps="rtsp_demuxer"
815 v4l2_demuxer_deps="linux_videodev2_h"
816 v4l_demuxer_deps="linux_videodev_h"
817 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
818 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
819
820 # protocols
821 http_protocol_deps="network"
822 rtp_protocol_deps="udp_protocol"
823 tcp_protocol_deps="network"
824 udp_protocol_deps="network"
825
826 # programs
827 ffplay_deps="sdl"
828 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
829 ffserver_extralibs='$ldl'
830 vhook_extralibs='$ldl'
831
832
833 # set temporary file name
834 if test ! -z "$TMPDIR" ; then
835 TMPDIR1="${TMPDIR}"
836 elif test ! -z "$TEMPDIR" ; then
837 TMPDIR1="${TEMPDIR}"
838 else
839 TMPDIR1="/tmp"
840 fi
841
842 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
843 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
844 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
845 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
846 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
847
848 # default parameters
849
850 enable logging
851 logfile="config.err"
852
853 # installation paths
854 PREFIX="/usr/local"
855 libdir='$(PREFIX)/lib'
856 shlibdir="$libdir"
857 incdir='$(PREFIX)/include/ffmpeg'
858 mandir='$(PREFIX)/share/man'
859 bindir='$(PREFIX)/bin'
860
861 # toolchain
862 cc="gcc"
863 ar="ar"
864 ranlib="ranlib"
865 make="make"
866 strip="strip"
867 asmalign_pot="unknown"
868 ln_s="ln -sf"
869
870 # machine
871 arch=`uname -m`
872 cpu="generic"
873
874 # OS
875 targetos=$(tolower $(uname -s))
876
877 # libraries
878 enable zlib
879
880 # configurable options
881 enable debug
882 enable dostrip
883 enable ffmpeg
884 enable ffplay
885 enable ffserver
886 enable ipv6
887 enable static
888 enable mpegaudio_hp
889 enable network
890 enable optimizations
891 enable protocols
892 vhook="default"
893
894 # build settings
895 SHFLAGS='-shared -Wl,-soname,$@'
896 VHOOKSHFLAGS='$(SHFLAGS)'
897 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
898 FFSERVERLDFLAGS=-Wl,-E
899 LDCONFIG="ldconfig"
900 LIBPREF="lib"
901 LIBSUF=".a"
902 FULLNAME='$(NAME)$(BUILDSUF)'
903 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
904 SLIBPREF="lib"
905 SLIBSUF=".so"
906 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
907 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
908 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
909 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
910
911 # find source path
912 source_path="`dirname \"$0\"`"
913 enable source_path_used
914 if test -z "$source_path" -o "$source_path" = "." ; then
915 source_path="`pwd`"
916 disable source_path_used
917 else
918 source_path="`cd \"$source_path\"; pwd`"
919 echo "$source_path" | grep -q '[[:blank:]]' &&
920 die "Out of tree builds are impossible with whitespace in source path."
921 fi
922
923 FFMPEG_CONFIGURATION="$@"
924
925 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
926 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
927 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
928 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
929 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
930 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
931 OUTDEV_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavdevice/alldevices.c"`
932 INDEV_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavdevice/alldevices.c"`
933 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
934
935 enable $ARCH_EXT_LIST \
936 $DECODER_LIST \
937 $ENCODER_LIST \
938 $PARSER_LIST \
939 $BSF_LIST \
940 $DEMUXER_LIST \
941 $MUXER_LIST \
942 $PROTOCOL_LIST \
943 $INDEV_LIST \
944 $OUTDEV_LIST \
945
946 die_unknown(){
947 echo "Unknown option \"$1\"."
948 echo "See $0 --help for available options."
949 exit 1
950 }
951
952 show_list() {
953 suffix=_$1
954 shift
955 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
956 exit 0
957 }
958
959 for opt do
960 optval="${opt#*=}"
961 case "$opt" in
962 --log)
963 ;;
964 --log=*) logging="$optval"
965 ;;
966 --prefix=*) PREFIX="$optval"
967 ;;
968 --libdir=*) libdir="$optval"
969 ;;
970 --shlibdir=*) shlibdir="$optval"
971 ;;
972 --incdir=*) incdir="$optval"
973 ;;
974 --mandir=*) mandir="$optval"
975 ;;
976 --source-path=*) source_path="$optval"
977 ;;
978 --cross-prefix=*) cross_prefix="$optval"
979 ;;
980 --cross-compile) enable cross_compile
981 ;;
982 --target-os=*) targetos="$optval"
983 ;;
984 --cc=*) cc="$optval"
985 ;;
986 --make=*) make="$optval"
987 ;;
988 --extra-cflags=*) add_cflags "$optval"
989 ;;
990 --extra-ldflags=*) add_ldflags "$optval"
991 ;;
992 --extra-libs=*) add_extralibs "$optval"
993 ;;
994 --build-suffix=*) BUILDSUF="$optval"
995 ;;
996 --arch=*) arch="$optval"
997 ;;
998 --cpu=*) cpu="$optval"
999 ;;
1000 --enable-sunmlib) enable mlib
1001 ;;
1002 --disable-strip) disable dostrip
1003 ;;
1004 --disable-encoders) disable $ENCODER_LIST
1005 ;;
1006 --disable-decoders) disable $DECODER_LIST
1007 ;;
1008 --disable-muxers) disable $MUXER_LIST
1009 ;;
1010 --disable-demuxers) disable $DEMUXER_LIST
1011 ;;
1012 --disable-parsers) disable $PARSER_LIST
1013 ;;
1014 --disable-bsfs) disable $BSF_LIST
1015 ;;
1016 --disable-protocols) disable $PROTOCOL_LIST
1017 ;;
1018 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1019 ;;
1020 --enable-*=*|--disable-*=*)
1021 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1022 case "$thing" in
1023 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
1024 *) die_unknown "$opt" ;;
1025 esac
1026 ;;
1027 --enable-?*|--disable-?*)
1028 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1029 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1030 $action $option
1031 ;;
1032 --list-*)
1033 NAME="${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 die_unknown $opt
1042 ;;
1043 esac
1044 done
1045
1046 case "$arch" in
1047 i386|i486|i586|i686|i86pc|BePC)
1048 arch="x86_32"
1049 enable fast_unaligned
1050 ;;
1051 x86_64|amd64)
1052 arch="x86_32"
1053 enable fast_unaligned
1054 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1055 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1056 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1057 arch="x86_64"
1058 enable fast_64bit
1059 fi
1060 fi
1061 ;;
1062 # armv4l is a subset of armv[567]*l
1063 arm|armv[4567]*l)
1064 arch="armv4l"
1065 ;;
1066 alpha)
1067 arch="alpha"
1068 enable fast_64bit
1069 ;;
1070 "Power Macintosh"|ppc|powerpc)
1071 arch="powerpc"
1072 ;;
1073 ppc64)
1074 arch="powerpc"
1075 enable fast_64bit
1076 ;;
1077 mips|mipsel|IP*)
1078 arch="mips"
1079 ;;
1080 sun4u|sparc64)
1081 arch="sparc64"
1082 enable fast_64bit
1083 ;;
1084 sparc)
1085 arch="sparc"
1086 ;;
1087 sh4)
1088 arch="sh4"
1089 ;;
1090 parisc)
1091 arch="parisc"
1092 ;;
1093 parisc64)
1094 arch="parisc"
1095 enable fast_64bit
1096 ;;
1097 s390|s390x)
1098 arch="s390"
1099 ;;
1100 m68k)
1101 arch="m68k"
1102 ;;
1103 ia64)
1104 arch="ia64"
1105 enable fast_64bit
1106 ;;
1107 bfin)
1108 arch="bfin"
1109 ;;
1110 *)
1111 arch="unknown"
1112 ;;
1113 esac
1114
1115 enable $arch
1116 enabled_any x86_32 x86_64 && enable x86
1117 enabled sparc64 && enable sparc
1118
1119 # OS specific
1120 case $targetos in
1121 beos|haiku|zeta)
1122 PREFIX="$HOME/config"
1123 # helps building libavcodec
1124 add_cflags "-DPIC -fomit-frame-pointer"
1125 # 3 gcc releases known for BeOS, each with ugly bugs
1126 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1127 case "$gcc_version" in
1128 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1129 disable mmx
1130 ;;
1131 *20010315*) echo "BeBits gcc"
1132 add_cflags "-fno-expensive-optimizations"
1133 ;;
1134 esac
1135 LDCONFIG="echo ignoring ldconfig"
1136 SHFLAGS=-nostart
1137 # enable BeOS things
1138 enable audio_beos
1139 # no need for libm, but the inet stuff
1140 # Check for BONE
1141 # XXX: actually should check for NOT net_server
1142 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1143 network_extralibs="-lbind -lsocket"
1144 else
1145 enable beos_netserver
1146 network_extralibs="-lnet"
1147 fi ;;
1148 sunos)
1149 FFSERVERLDFLAGS=""
1150 SHFLAGS='-shared -Wl,-h,$@'
1151 network_extralibs="-lsocket -lnsl"
1152 ;;
1153 netbsd)
1154 oss_demuxer_extralibs="-lossaudio"
1155 oss_muxer_extralibs="-lossaudio"
1156 ;;
1157 openbsd)
1158 disable need_memalign
1159 LIBOBJFLAGS='$(PIC)'
1160 LDCONFIG='ldconfig -m $(SHLIBDIR)'
1161 SHFLAGS='-shared'
1162 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1163 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1164 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1165 oss_demuxer_extralibs="-lossaudio"
1166 oss_muxer_extralibs="-lossaudio"
1167 ;;
1168 freebsd)
1169 disable need_memalign
1170 ;;
1171 bsd/os)
1172 osextralibs="-lpoll -lgnugetopt"
1173 strip="strip -d"
1174 ;;
1175 darwin)
1176 disable need_memalign
1177 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(SPPVERSION),-compatibility_version,$(SPPVERSION) -Wl,-read_only_relocs,suppress'
1178 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1179 strip="strip -x"
1180 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1181 SLIBSUF=".dylib"
1182 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1183 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1184 FFSERVERLDFLAGS=-Wl,-bind_at_load
1185 ;;
1186 mingw32*)
1187 targetos=mingw32
1188 shlibdir="$bindir"
1189 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1190 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1191 if enabled swscaler; then
1192 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1193 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1194 fi
1195 disable ffserver
1196 SLIBPREF=""
1197 SLIBSUF=".dll"
1198 EXESUF=".exe"
1199 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1200 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1201 SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1202 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1203 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1204 SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1205 ;;
1206 cygwin*)
1207 targetos=cygwin
1208 shlibdir="$bindir"
1209 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1210 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1211 if enabled swscaler; then
1212 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1213 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1214 fi
1215 EXESUF=".exe"
1216 SLIBPREF="cyg"
1217 SLIBSUF=".dll"
1218 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1219 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1220 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1221 ;;
1222 *-dos|freedos|opendos)
1223 enable memalign_hack
1224 disable ffplay ffserver vhook
1225 disable $INDEV_LIST $OUTDEV_LIST
1226 network_extralibs="-lsocket"
1227 EXESUF=".exe"
1228 ;;
1229 linux)
1230 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1231 enable dv1394
1232 ;;
1233 irix*)
1234 targetos=irix
1235 ranlib="echo ignoring ranlib"
1236 ;;
1237 os/2*)
1238 ar="emxomfar -p256"
1239 ranlib="echo ignoring ranlib"
1240 strip="lxlite"
1241 ln_s="cp -f"
1242 add_cflags "-Zomf"
1243 EXESUF=".exe"
1244 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1245 SHFLAGS='$(NAME).def -Zdll -Zomf'
1246 FFSERVERLDFLAGS=""
1247 LIBSUF="_s.lib"
1248 SLIBPREF=""
1249 SLIBSUF=".dll"
1250 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1251 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1252 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
1253 echo PROTMODE >> $(NAME).def; \
1254 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
1255 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
1256 echo EXPORTS >> $(NAME).def; \
1257 emxexp -o $(OBJS) >> $(NAME).def'
1258 SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
1259 emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
1260 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1261 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1262 vhook="no"
1263 ;;
1264
1265 *)
1266 targetos="${targetos}-UNKNOWN"
1267 ;;
1268 esac
1269
1270 add_extralibs $osextralibs
1271
1272 if ! disabled logging ; then
1273 enabled logging || logfile="$logging"
1274 echo "# $0 $@" >$logfile
1275 set >>$logfile
1276 else
1277 logfile=/dev/null
1278 fi
1279
1280 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1281 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1282
1283 test -n "$cross_prefix" && enable cross_compile
1284 cc="${cross_prefix}${cc}"
1285 ar="${cross_prefix}${ar}"
1286 ranlib="${cross_prefix}${ranlib}"
1287 strip="${cross_prefix}${strip}"
1288
1289 # we need to build at least one lib type
1290 if ! enabled_any static shared; then
1291 cat <<EOF
1292 At least one library type must be built.
1293 Specify --enable-static to build the static libraries or --enable-shared to
1294 build the shared libraries as well. To only build the shared libraries specify
1295 --disable-static in addition to --enable-shared.
1296 EOF
1297 exit 1;
1298 fi
1299
1300 disabled static && LIBNAME=""
1301
1302 if enabled_any libfaad libfaadbin ; then
1303 if check_header faad.h; then
1304 check_cc << EOF
1305 #include <faad.h>
1306 #ifndef FAAD2_VERSION
1307 ok faad1
1308 #endif
1309 int main(void) { return 0; }
1310 EOF
1311 test $? = 0 && enable libfaad2
1312 else
1313 die "FAAD test failed."
1314 fi
1315 fi
1316
1317
1318 if ! enabled gpl; then
1319 die_gpl_disabled(){
1320 name=$1
1321 shift
1322 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1323 }
1324 die_gpl_disabled "The Postprocessing code" pp
1325 die_gpl_disabled "liba52" liba52
1326 die_gpl_disabled "libx264" libx264
1327 die_gpl_disabled "libxvidcore" libxvid
1328 die_gpl_disabled "FAAD2" libfaad2
1329 die_gpl_disabled "The X11 grabber" x11grab
1330 die_gpl_disabled "The software scaler" swscaler
1331 fi
1332
1333 check_deps $ARCH_EXT_LIST
1334
1335 test -z "$need_memalign" && need_memalign="$mmx"
1336
1337 #Darwin CC versions
1338 if test $targetos = darwin; then
1339 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1340 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1341 else
1342 add_cflags "-no-cpp-precomp -pipe"
1343 check_cflags "-force_cpusubtype_ALL"
1344 check_cflags "-Wno-sign-compare"
1345 disabled shared && add_cflags -mdynamic-no-pic
1346 fi
1347 fi
1348
1349 disabled optimizations || add_cflags -fomit-frame-pointer
1350
1351 # Add processor-specific flags
1352 if test $cpu != "generic"; then
1353 warn_altivec(){
1354 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1355 }
1356 case $cpu in
1357 601|ppc601|PowerPC601)
1358 add_cflags "-mcpu=601"
1359 warn_altivec enabled PPC601
1360 ;;
1361 603*|ppc603*|PowerPC603*)
1362 add_cflags "-mcpu=603"
1363 warn_altivec enabled PPC603
1364 ;;
1365 604*|ppc604*|PowerPC604*)
1366 add_cflags "-mcpu=604"
1367 warn_altivec enabled PPC604
1368 ;;
1369 G3|g3|75*|ppc75*|PowerPC75*)
1370 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1371 warn_altivec enabled PPC75x
1372 ;;
1373 G4|g4|745*|ppc745*|PowerPC745*)
1374 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1375 warn_altivec disabled PPC745x
1376 ;;
1377 74*|ppc74*|PowerPC74*)
1378 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1379 warn_altivec disabled PPC74xx
1380 ;;
1381 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1382 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1383 warn_altivec disabled PPC970
1384 enable ppc64
1385 ;;
1386 Cell|CELL|cell)
1387 add_cflags "-mcpu=cell"
1388 warn_altivec disabled Cell
1389 enable ppc64
1390 ;;
1391 # targets that do NOT support conditional mov (cmov)
1392 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1393 add_cflags "-march=$cpu"
1394 disable cmov
1395 ;;
1396 # targets that do support conditional mov (cmov)
1397 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1398 add_cflags "-march=$cpu"
1399 enable cmov
1400 enable fast_cmov
1401 ;;
1402 # targets that do support conditional mov but on which it's slow
1403 pentium4|prescott|nocona)
1404 add_cflags "-march=$cpu"
1405 enable cmov
1406 disable fast_cmov
1407 ;;
1408 sparc64)
1409 add_cflags "-mcpu=v9"
1410 ;;
1411 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1412 add_cflags "-mfdpic"
1413 add_ldflags "-mfdpic"
1414 ;;
1415 arm*)
1416 add_cflags "-mcpu=$cpu"
1417 ;;
1418 *)
1419 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1420 ;;
1421 esac
1422 fi
1423
1424 gnu_make(){
1425 $1 --version 2>&1 | grep -q GNU
1426 }
1427
1428 if ! gnu_make $make; then
1429 gnu_make gmake && make=gmake || die "GNU make not found."
1430 fi
1431
1432 # make sure we can execute files in $TMPDIR
1433 cat >$TMPE 2>>$logfile <<EOF
1434 #! /bin/sh
1435 EOF
1436 chmod +x $TMPE >>$logfile 2>&1
1437 if ! $TMPE >>$logfile 2>&1; then
1438 cat <<EOF
1439 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1440 variable to another directory and make sure that $TMPDIR1 is not mounted
1441 noexec.
1442 EOF
1443 die "Sanity test failed."
1444 fi
1445 rm $TMPE
1446
1447 # compiler sanity check
1448 check_exec <<EOF
1449 int main(void){
1450 return 0;
1451 }
1452 EOF
1453 if test "$?" != 0; then
1454 echo "$cc is unable to create an executable file."
1455 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1456 echo "If $cc is a cross-compiler, use the --cross-compile option."
1457 echo "Only do this if you know what cross compiling means."
1458 fi
1459 die "C compiler test failed."
1460 fi
1461
1462 if enabled x86; then
1463 # check whether EBP is available on x86
1464 # As 'i' is stored on the stack, this program will crash
1465 # if the base pointer is used to access it because the
1466 # base pointer is cleared in the inline assembly code.
1467 check_exec_crash <<EOF && enable ebp_available
1468 volatile int i=0;
1469 asm volatile (
1470 "xorl %%ebp, %%ebp"
1471 ::: "%ebp");
1472 return i;
1473 EOF
1474
1475 # check wether EBX is available on x86
1476 check_asm ebx_available '"":::"%ebx"'
1477
1478 # check whether binutils is new enough to compile SSSE3
1479 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1480 fi
1481
1482 # check for assembler specific support
1483
1484 if test $arch = "powerpc"; then
1485 check_cc <<EOF && enable dcbzl
1486 int main(void) {
1487 register long zero = 0;
1488 char data[1024];
1489 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1490 return 0;
1491 }
1492 EOF
1493 fi
1494
1495 # check for SIMD availability
1496
1497 # AltiVec flags: The FSF version of GCC differs from the Apple version
1498 if enabled altivec; then
1499 test -n "`$cc -v 2>&1 | grep version | grep Apple`" &&
1500 add_cflags "-faltivec" ||
1501 add_cflags "-maltivec -mabi=altivec"
1502
1503 check_header altivec.h
1504
1505 # check if our compiler supports Motorola AltiVec C API
1506 enabled altivec_h &&
1507 inc_altivec_h="#include <altivec.h>" ||
1508 inc_altivec_h=
1509 check_cc <<EOF || disable altivec
1510 $inc_altivec_h
1511 int main(void) {
1512 vector signed int v1, v2, v3;
1513 v1 = vec_add(v2,v3);
1514 return 0;
1515 }
1516 EOF
1517 fi
1518
1519 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1520 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1521 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1522 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1523 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1524
1525 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1526
1527 # ---
1528 # big/little-endian test
1529 check_cc <<EOF || die "endian test failed"
1530 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1531 EOF
1532 grep -q BIGE $TMPO && enable bigendian
1533
1534 # ---
1535 # check availability of some header files
1536
1537 if check_func dlopen; then
1538 ldl=
1539 elif check_func dlopen -ldl; then
1540 ldl=-ldl
1541 fi
1542
1543 check_func fork
1544 check_func gethrtime
1545 check_func getrusage
1546 check_func inet_aton
1547 check_func memalign
1548 check_func mkstemp
1549 check_func2 windows.h GetProcessTimes
1550
1551 check_header byteswap.h
1552 check_header conio.h
1553 check_header dlfcn.h
1554 check_header malloc.h
1555 check_header termios.h
1556
1557 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1558 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1559 fi
1560
1561 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1562
1563 # ffserver uses poll(),
1564 # if it's not found we can emulate it using select().
1565 if enabled ffserver; then
1566 check_header sys/poll.h
1567 check_header sys/select.h
1568 fi
1569
1570 # check for some common methods of building with pthread support
1571 # do this before the optional library checks as some of them require pthreads
1572 if enabled pthreads; then
1573 if check_func pthread_create; then
1574 :
1575 elif check_func pthread_create -pthread; then
1576 add_cflags -pthread
1577 add_ldflags -pthread
1578 elif check_func pthread_create -pthreads; then
1579 add_cflags -pthreads
1580 add_ldflags -pthreads
1581 elif ! check_lib pthread.h pthread_create -lpthread; then
1582 die "ERROR: can't find pthreads library"
1583 fi
1584 fi
1585
1586 for thread in $THREADS_LIST; do
1587 if enabled $thread; then
1588 test -n "$thread_type" &&
1589 die "ERROR: Only one thread type must be selected." ||
1590 thread_type="$thread"
1591 fi
1592 done
1593
1594 check_lib math.h sin -lm
1595
1596 # test for lrintf in math.h
1597 check_exec <<EOF && enable lrintf || disable lrintf
1598 #define _ISOC9X_SOURCE 1
1599 #include <math.h>
1600 int main(void) { return (lrintf(3.999f) > 0)?0:1; }
1601 EOF
1602
1603 enabled_any libamr_nb libamr_wb && enable libamr
1604
1605 # these are off by default, so fail if requested and not available
1606 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1607 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1608 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1609 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1610 enabled libdc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1611 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1612 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1613 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1614 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1615 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1616 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1617 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1618 enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1619 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1620 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1621
1622 # disable the native AC-3 decoder if liba52 is enabled
1623 enabled liba52 && disable ac3_decoder
1624
1625 _restrict=
1626 for restrict_keyword in restrict __restrict__ __restrict; do
1627 check_cc <<EOF && _restrict=$restrict_keyword && break
1628 void foo(char * $restrict_keyword p);
1629 EOF
1630 done
1631
1632 test "$vhook" = "default" && vhook="$dlopen"
1633
1634 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1635 disable vhook
1636 echo
1637 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1638 echo "Patches welcome."
1639 echo
1640 fi
1641
1642 if enabled vhook; then
1643 check_ldflags -rdynamic
1644 check_ldflags -export-dynamic
1645 fi
1646
1647 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1648 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1649
1650 ##########################################
1651 # SDL check
1652
1653 disable sdl_too_old
1654 disable sdl
1655 SDL_CONFIG="${cross_prefix}sdl-config"
1656 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1657 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1658 temp_cflags $sdl_cflags
1659 temp_extralibs `"${SDL_CONFIG}" --libs`
1660 if check_lib SDL.h SDL_Init; then
1661 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1662 if test "$_sdlversion" -lt 121 ; then
1663 enable sdl_too_old
1664 else
1665 enable sdl
1666 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1667 #include <SDL.h>
1668 int main(void){
1669 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1670 int w = vi->current_w;
1671 return 0;
1672 }
1673 EOF
1674 fi
1675 fi
1676 restore_flags
1677 fi
1678
1679 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1680
1681 ##########################################
1682 # Network check
1683
1684 if enabled network; then
1685 # Prefer arpa/inet.h over winsock2
1686 if check_header arpa/inet.h ; then
1687 check_func closesocket
1688 elif check_header winsock2.h ; then
1689 network_extralibs="-lws2_32"
1690 check_func2 winsock2.h closesocket
1691 fi
1692 fi
1693
1694 ##########################################
1695 # IPv6 check
1696
1697 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1698 #include <sys/types.h>
1699 #include <sys/socket.h>
1700 #include <netinet/in.h>
1701 #include <netdb.h>
1702 int main(void) {
1703 struct sockaddr_storage saddr;
1704 struct ipv6_mreq mreq6;
1705 getaddrinfo(0,0,0,0);
1706 getnameinfo(0,0,0,0,0,0,0);
1707 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1708 }
1709 EOF
1710
1711 check_header linux/videodev.h
1712 check_header linux/videodev2.h
1713
1714 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1715 { check_header dev/bktr/ioctl_meteor.h &&
1716 check_header dev/bktr/ioctl_bt848.h; } ||
1717 { check_header machine/ioctl_meteor.h &&
1718 check_header machine/ioctl_bt848.h; } ||
1719 { check_header dev/video/meteor/ioctl_meteor.h &&
1720 check_header dev/video/bktr/ioctl_bt848.h; } ||
1721 check_header dev/ic/bt8xx.h
1722
1723 check_header sys/soundcard.h
1724 check_header soundcard.h
1725
1726 # deal with the X11 frame grabber
1727 enabled x11grab &&
1728 check_header X11/Xlib.h &&
1729 check_header X11/extensions/XShm.h &&
1730 check_func XOpenDisplay -lX11 &&
1731 check_func XShmCreateImage -lX11 -lXext
1732
1733 enabled debug && add_cflags -g
1734
1735 # add some useful compiler flags if supported
1736 check_cflags -Wdeclaration-after-statement
1737 check_cflags -Wall
1738 check_cflags -Wno-switch
1739 check_cflags -Wdisabled-optimization
1740 check_cflags -Wpointer-arith
1741 check_cflags -Wredundant-decls
1742 check_cflags -Wno-pointer-sign
1743 enabled extra_warnings && check_cflags -Winline
1744
1745 # add some linker flags
1746 check_ldflags -Wl,--warn-common
1747 check_ldflags $LDLATEFLAGS
1748 check_ldflags -Wl,-Bsymbolic
1749
1750 if enabled small; then
1751 check_cflags -Os # not all compilers support -Os
1752 optimizations="small"
1753 elif enabled optimizations; then
1754 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1755 add_cflags "-O5"
1756 add_ldflags "-O5"
1757 else
1758 add_cflags "-O3"
1759 fi
1760 fi
1761
1762 # PIC flags for shared library objects where they are needed
1763 if enabled shared; then
1764 # LIBOBJFLAGS may have already been set in the OS configuration
1765 if test -z "$LIBOBJFLAGS" ; then
1766 case "$arch" in
1767 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1768 esac
1769 fi
1770 fi
1771
1772 if enabled gprof; then
1773 add_cflags "-p"
1774 add_ldflags "-p"
1775 fi
1776
1777 VHOOKCFLAGS="-fPIC"
1778
1779 # Find out if the .align argument is a power of two or not.
1780 if test $asmalign_pot = "unknown"; then
1781 disable asmalign_pot
1782 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1783 fi
1784
1785 enabled_any $DECODER_LIST && enable decoders
1786 enabled_any $ENCODER_LIST && enable encoders
1787 enabled_any $BSF_LIST && enable bsfs
1788 enabled_any $DEMUXER_LIST && enable demuxers
1789 enabled_any $MUXER_LIST && enable muxers
1790 enabled_any $INDEV_LIST && enable demuxers
1791 enabled_any $OUTDEV_LIST && enable muxers
1792 enabled_any $PROTOCOL_LIST && enable protocols
1793
1794 enabled_any $THREADS_LIST && enable threads
1795
1796 check_deps $CONFIG_LIST \
1797 $HAVE_LIST \
1798 $DECODER_LIST \
1799 $ENCODER_LIST \
1800 $PARSER_LIST \
1801 $BSF_LIST \
1802 $DEMUXER_LIST \
1803 $MUXER_LIST \
1804 $INDEV_LIST \
1805 $OUTDEV_LIST \
1806 $PROTOCOL_LIST \
1807
1808 enabled libdc1394 && append pkg_requires "libraw1394"
1809 enabled libtheora && append pkg_requires "theora"
1810 enabled libvorbis && append pkg_requires "vorbisenc"
1811
1812 echo "install prefix $PREFIX"
1813 echo "source path $source_path"
1814 echo "C compiler $cc"
1815 echo "make $make"
1816 echo ".align is power-of-two $asmalign_pot"
1817 echo "ARCH $arch ($cpu)"
1818 if test "$BUILDSUF" != ""; then
1819 echo "build suffix $BUILDSUF"
1820 fi
1821 echo "big-endian ${bigendian-no}"
1822 if test $arch = "x86_32" -o $arch = "x86_64"; then
1823 echo "MMX enabled ${mmx-no}"
1824 echo "CMOV enabled ${cmov-no}"
1825 echo "CMOV is fast ${fast_cmov-no}"
1826 echo "EBX available ${ebx_available-no}"
1827 echo "EBP available ${ebp_available-no}"
1828 fi
1829 if test $arch = "armv4l"; then
1830 echo "ARMv5TE enabled ${armv5te-no}"
1831 echo "ARMv6 enabled ${armv6-no}"
1832 echo "IWMMXT enabled ${iwmmxt-no}"
1833 fi
1834 if test $arch = "mips"; then
1835 echo "MMI enabled ${mmi-no}"
1836 fi
1837 if test $arch = "powerpc"; then
1838 echo "AltiVec enabled ${altivec-no}"
1839 echo "dcbzl available ${dcbzl-no}"
1840 fi
1841 echo "gprof enabled ${gprof-no}"
1842 echo "debug symbols ${debug-no}"
1843 echo "strip symbols ${dostrip-no}"
1844 echo "optimizations ${optimizations-no}"
1845 echo "static ${static-no}"
1846 echo "shared ${shared-no}"
1847 echo "postprocessing support ${pp-no}"
1848 echo "software scaler enabled ${swscaler-no}"
1849 echo "video hooking ${vhook-no}"
1850 if enabled vhook; then
1851 echo "Imlib2 support ${imlib2-no}"
1852 echo "FreeType support ${freetype2-no}"
1853 fi
1854 echo "network support ${network-no}"
1855 if enabled network; then
1856 echo "IPv6 support ${ipv6-no}"
1857 fi
1858 echo "threading support ${thread_type-no}"
1859 echo "SDL support ${sdl-no}"
1860 if enabled sdl_too_old; then
1861 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1862 fi
1863 echo "Sun medialib support ${mlib-no}"
1864 echo "AVISynth enabled ${avisynth-no}"
1865 echo "liba52 support ${liba52-no}"
1866 echo "liba52 dlopened ${liba52bin-no}"
1867 echo "libamr-nb support ${libamr_nb-no}"
1868 echo "libamr-wb support ${libamr_wb-no}"
1869 echo "libdc1394 support ${libdc1394-no}"
1870 echo "libfaac enabled ${libfaac-no}"
1871 echo "libfaad enabled ${libfaad-no}"
1872 echo "libfaad dlopened ${libfaadbin-no}"
1873 echo "libgsm enabled ${libgsm-no}"
1874 echo "libmp3lame enabled ${libmp3lame-no}"
1875 echo "libnut enabled ${libnut-no}"
1876 echo "libtheora enabled ${libtheora-no}"
1877 echo "libvorbis enabled ${libvorbis-no}"
1878 echo "x264 enabled ${libx264-no}"
1879 echo "XviD enabled ${libxvid-no}"
1880 echo "zlib enabled ${zlib-no}"
1881 enabled gpl &&
1882 echo "License: GPL" ||
1883 echo "License: LGPL"
1884
1885 for type in decoder encoder parser demuxer muxer protocol bsf indev outdev; do
1886 echo "Enabled ${type}s:"
1887 ucname="\$`toupper $type`_LIST"
1888 list="`eval echo $ucname`"
1889 partlist=""
1890 for part in $list; do
1891 enabled $part && partlist="$partlist $part"
1892 done
1893 partlist=`echo $partlist | sed s/_$type//g | tr ' ' '\n' | sort`
1894 echo $partlist
1895 done
1896
1897 echo "Creating config.mak and config.h..."
1898
1899 echo "# Automatically generated by configure - do not modify!" > config.mak
1900 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1901 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1902 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1903 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1904
1905 echo "PREFIX=$PREFIX" >> config.mak
1906 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1907 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1908 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1909 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1910 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1911 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1912 echo "MAKE=$make" >> config.mak
1913 echo "CC=$cc" >> config.mak
1914 echo "AR=$ar" >> config.mak
1915 echo "RANLIB=$ranlib" >> config.mak
1916 echo "LDCONFIG=$LDCONFIG" >> config.mak
1917 echo "LN_S=$ln_s" >> config.mak
1918 enabled dostrip &&
1919 echo "STRIP=$strip" >> config.mak ||
1920 echo "STRIP=echo ignoring strip" >> config.mak
1921
1922 echo "OPTFLAGS=$CFLAGS" >> config.mak
1923 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1924 echo "LDFLAGS=$LDFLAGS" >> config.mak
1925 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1926 echo "SHFLAGS=$SHFLAGS" >> config.mak
1927 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1928 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1929 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1930 echo "BUILD_STATIC=$static" >> config.mak
1931 echo "BUILDSUF=$BUILDSUF" >> config.mak
1932 echo "FULLNAME=$FULLNAME" >> config.mak
1933 echo "LIBPREF=$LIBPREF" >> config.mak
1934 echo "LIBSUF=$LIBSUF" >> config.mak
1935 echo "LIBNAME=$LIBNAME" >> config.mak
1936 echo "SLIBPREF=$SLIBPREF" >> config.mak
1937 echo "SLIBSUF=$SLIBSUF" >> config.mak
1938 echo "EXESUF=$EXESUF" >> config.mak
1939
1940 if enabled bigendian; then
1941 echo "WORDS_BIGENDIAN=yes" >> config.mak
1942 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1943 fi
1944 if enabled mmx; then
1945 echo "#define __CPU__ 586" >> $TMPH
1946 fi
1947
1948 if enabled sdl; then
1949 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1950 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1951 fi
1952 if enabled texi2html; then
1953 echo "BUILD_DOC=yes" >> config.mak
1954 fi
1955
1956 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1957 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1958 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1959 lavd_version=`grep '#define LIBAVDEVICE_VERSION ' "$source_path/libavdevice/avdevice.h" | sed 's/[^0-9\.]//g'`
1960 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1961 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1962
1963
1964
1965 if enabled shared; then
1966 echo "BUILD_SHARED=yes" >> config.mak
1967 echo "PIC=-fPIC -DPIC" >> config.mak
1968 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1969 echo "SPPVERSION=$pp_version" >> config.mak
1970 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1971 echo "LAVCVERSION=$lavc_version" >> config.mak
1972 echo "LAVDMAJOR=${lavd_version%%.*}" >> config.mak
1973 echo "LAVDVERSION=$lavd_version" >> config.mak
1974 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1975 echo "LAVFVERSION=$lavf_version" >> config.mak
1976 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1977 echo "LAVUVERSION=$lavu_version" >> config.mak
1978 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1979 echo "SWSVERSION=$sws_version" >> config.mak
1980 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1981 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1982 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1983 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
1984 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1985 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1986 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
1987 fi
1988 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1989 echo "EXTRALIBS=$extralibs" >> config.mak
1990
1991 print_config ARCH_ $TMPH config.mak $ARCH_LIST
1992 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1993 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
1994 $DECODER_LIST \
1995 $ENCODER_LIST \
1996 $PARSER_LIST \
1997 $BSF_LIST \
1998 $DEMUXER_LIST \
1999 $MUXER_LIST \
2000 $PROTOCOL_LIST \
2001 $INDEV_LIST \
2002 $OUTDEV_LIST \
2003
2004 echo "#define restrict $_restrict" >> $TMPH
2005
2006 if enabled small; then
2007 echo "#define av_always_inline" >> $TMPH
2008 fi
2009
2010 echo "SRC_PATH=\"$source_path\"" >> config.mak
2011 echo "SRC_PATH_BARE=$source_path" >> config.mak
2012 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2013
2014 # Apparently it's not possible to portably echo a backslash.
2015 enabled asmalign_pot &&
2016 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2017 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2018
2019
2020 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2021
2022 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2023 cmp -s $TMPH config.h &&
2024 echo "config.h is unchanged" ||
2025 mv -f $TMPH config.h
2026
2027 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2028
2029 # build tree in object directory if source path is different from current one
2030 if enabled source_path_used; then
2031 DIRS="\
2032 doc \
2033 libavcodec \
2034 libavcodec/alpha \
2035 libavcodec/armv4l \
2036 libavcodec/bfin \
2037 libavcodec/i386 \
2038 libavcodec/mlib \
2039 libavcodec/ppc \
2040 libavcodec/sh4 \
2041 libavcodec/sparc \
2042 libavdevice \
2043 libavformat \
2044 libavutil \
2045 libpostproc \
2046 libswscale \
2047 tests \
2048 tools \
2049 vhook \
2050 "
2051 FILES="\
2052 Makefile \
2053 common.mak \
2054 doc/texi2pod.pl \
2055 libavcodec/Makefile \
2056 libavdevice/Makefile \
2057 libavformat/Makefile \
2058 libavutil/Makefile \
2059 libpostproc/Makefile \
2060 libswscale/Makefile \
2061 "
2062 for dir in $DIRS ; do
2063 mkdir -p $dir
2064 done
2065 for f in $FILES ; do
2066 $ln_s "$source_path/$f" $f
2067 done
2068 fi
2069
2070
2071 # build pkg-config files
2072 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2073
2074 pkgconfig_generate(){
2075 name=$1
2076 comment=$2
2077 version=$3
2078 libs=$4
2079 requires=$5
2080 include=$6
2081 cat <<EOF >$name.pc
2082 prefix=$PREFIX
2083 exec_prefix=\${prefix}
2084 libdir=\${exec_prefix}/lib
2085 includedir=\${prefix}/include
2086
2087 Name: $name
2088 Description: $comment
2089 Version: $version
2090 Requires: $requires
2091 Conflicts:
2092 Libs: -L\${libdir} $libs
2093 Cflags: -I\${includedir}/$include
2094 EOF
2095 }
2096
2097 pkgconfig_generate_uninstalled(){
2098 name=$1
2099 shortname=${name#lib}
2100 comment=$2
2101 version=$3
2102 libs=$4
2103 requires=$5
2104 cat <<EOF >$name-uninstalled.pc
2105 prefix=
2106 exec_prefix=
2107 libdir=\${pcfiledir}/$name
2108 includedir=\${pcfiledir}/$name
2109
2110 Name: $name
2111 Description: $comment
2112 Version: $version
2113 Requires: $requires
2114 Conflicts:
2115 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2116 Cflags: -I\${includedir}
2117 EOF
2118 }
2119
2120 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2121 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2122
2123 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2124 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2125
2126 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2127 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2128
2129 pkgconfig_generate libavdevice "FFmpeg device handling library" "$lavd_version" "-lavdevice $extralibs" "$pkg_requires libavformat = $lavf_version" ffmpeg
2130 pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$lavd_version" "$extralibs" "$pkg_requires libavformat = $lavf_version"
2131 if enabled pp; then
2132 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2133 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2134 fi
2135
2136 if enabled swscaler; then
2137 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2138 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2139 else
2140 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2141 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2142 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2143 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2144 fi