loosen dependencies over mpegaudiodec
[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/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-dc1394 enable IIDC-1394 grabbing using libdc1394"
82 echo " and libraw1394 [default=no]"
83 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
84 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
85 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
86 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
87 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
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 build FAAD support with runtime linking [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-libogg enable Ogg muxing via libogg [default=no]"
96 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
97 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
98 echo " native implementations exist [default=no]"
99 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
100 echo " --enable-xvid enable Xvid encoding via xvidcore,"
101 echo " native MPEG-4/Xvid encoder exists [default=no]"
102 echo ""
103 echo "Advanced options (experts only):"
104 echo " --source-path=PATH path to source code [$source_path]"
105 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
106 echo " --cross-compile assume a cross-compiler is used"
107 echo " --target-os=OS compiler targets OS [$targetos]"
108 echo " --cc=CC use C compiler CC [$cc]"
109 echo " --make=MAKE use specified make [$make]"
110 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
111 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
112 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
113 echo " --build-suffix=SUFFIX suffix for application specific build []"
114 echo " --arch=ARCH select architecture [$arch]"
115 echo " --cpu=CPU selects the minimum cpu required (affects"
116 echo " instruction selection, may crash on older CPUs)"
117 echo " --enable-powerpc-perf enable performance report on PPC"
118 echo " (requires enabling PMC)"
119 echo " --disable-mmx disable MMX usage"
120 echo " --disable-armv5te disable armv5te usage"
121 echo " --disable-armv6 disable armv6 usage"
122 echo " --disable-iwmmxt disable iwmmxt usage"
123 echo " --disable-altivec disable AltiVec usage"
124 echo " --disable-audio-oss disable OSS audio support [default=no]"
125 echo " --disable-audio-beos disable BeOS audio support [default=no]"
126 echo " --disable-v4l disable video4linux grabbing [default=no]"
127 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
128 echo " --disable-bktr disable bktr video grabbing [default=no]"
129 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
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 " --disable-ffmpeg disable ffmpeg build"
138 echo " --disable-ffserver disable ffserver build"
139 echo " --disable-ffplay disable ffplay build"
140 echo " --enable-small optimize for size instead of speed"
141 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
142 echo " --disable-encoder=NAME disables encoder NAME"
143 echo " --enable-encoder=NAME enables encoder NAME"
144 echo " --disable-decoder=NAME disables decoder NAME"
145 echo " --enable-decoder=NAME enables decoder NAME"
146 echo " --disable-encoders disables all encoders"
147 echo " --disable-decoders disables all decoders"
148 echo " --disable-muxer=NAME disables muxer NAME"
149 echo " --enable-muxer=NAME enables muxer NAME"
150 echo " --disable-muxers disables all muxers"
151 echo " --disable-demuxer=NAME disables demuxer NAME"
152 echo " --enable-demuxer=NAME enables demuxer NAME"
153 echo " --disable-demuxers disables all demuxers"
154 echo " --enable-parser=NAME enables parser NAME"
155 echo " --disable-parser=NAME disables parser NAME"
156 echo " --disable-parsers disables all parsers"
157 echo " --enable-bsf=NAME enables bitstream filter NAME"
158 echo " --disable-bsf=NAME disables bitstream filter NAME"
159 echo " --disable-bsfs disables all bitstream filters"
160 echo " --enable-protocol=NAME enables protocol NAME"
161 echo " --disable-protocol=NAME disables protocol NAME"
162 echo " --disable-protocols disables all protocols"
163 echo
164 echo "Developer options (useful when working on FFmpeg itself):"
165 echo " --enable-gprof enable profiling with gprof [$gprof]"
166 echo " --disable-opts disable compiler optimizations"
167 echo " --enable-extra-warnings enable more compiler warnings"
168 echo " --disable-strip disable stripping of executables and shared libraries"
169 echo ""
170 echo "NOTE: Object files are built at the place where configure is launched."
171 exit 1
172 }
173
174 log(){
175 echo "$@" >>$logfile
176 }
177
178 log_file(){
179 log BEGIN $1
180 cat -n $1 >>$logfile
181 log END $1
182 }
183
184 echolog(){
185 log "$@"
186 echo "$@"
187 }
188
189 die(){
190 echolog "$@"
191 cat <<EOF
192 If you think configure made a mistake, make sure you are using the latest
193 version from SVN. If the latest version fails, report the problem to the
194 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
195 EOF
196 if enabled logging; then
197 cat <<EOF
198 Include the log file "$logfile" produced by configure as this will help
199 solving the problem.
200 EOF
201 else
202 cat <<EOF
203 Rerun configure with logging enabled (do not use --log=no), and include the
204 log this produces with your report.
205 EOF
206 fi
207 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
208 exit 1
209 }
210
211 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
212 toupper(){
213 echo "$@" | tr '[a-z]' '[A-Z]'
214 }
215
216 tolower(){
217 echo "$@" | tr '[A-Z]' '[a-z]'
218 }
219
220 set_all(){
221 value=$1
222 shift
223 for var in $*; do
224 eval $var=$value
225 done
226 }
227
228 pushvar(){
229 for var in $*; do
230 eval level=\${${var}_level:=0}
231 eval ${var}_${level}="\$$var"
232 eval ${var}_level=$(($level+1))
233 done
234 }
235
236 popvar(){
237 for var in $*; do
238 eval level=\${${var}_level:-0}
239 test $level = 0 && continue
240 eval level=$(($level-1))
241 eval $var="\${${var}_${level}}"
242 eval ${var}_level=$level
243 eval unset ${var}_${level}
244 done
245 }
246
247 enable(){
248 set_all yes $*
249 }
250
251 disable(){
252 set_all no $*
253 }
254
255 enabled(){
256 eval test "x\$$1" = "xyes"
257 }
258
259 disabled(){
260 eval test "x\$$1" = "xno"
261 }
262
263 enabled_all(){
264 for opt; do
265 enabled $opt || return 1
266 done
267 }
268
269 disabled_all(){
270 for opt; do
271 disabled $opt || return 1
272 done
273 }
274
275 enabled_any(){
276 for opt; do
277 enabled $opt && return 0
278 done
279 }
280
281 disabled_any(){
282 for opt; do
283 disabled $opt && return 0
284 done
285 }
286
287 check_deps(){
288 for cfg; do
289 enabled ${cfg}_checking && die "Circular dependency for $cfg."
290 disabled ${cfg}_checking && continue
291 enable ${cfg}_checking
292
293 eval dep_all="\$${cfg}_deps"
294 eval dep_any="\$${cfg}_deps_any"
295
296 pushvar cfg dep_all dep_any
297 check_deps $dep_all $dep_any
298 popvar cfg dep_all dep_any
299
300 enabled_all $dep_all || disable $cfg
301 enabled_any $dep_any || disable $cfg
302
303 disable ${cfg}_checking
304 done
305 }
306
307 print_config(){
308 pfx=$1
309 header=$2
310 makefile=$3
311 shift 3
312 for cfg; do
313 if enabled $cfg; then
314 ucname="${pfx}`toupper $cfg`"
315 echo "#define ${ucname} 1" >> $header
316 echo "${ucname}=yes" >> $makefile
317 fi
318 done
319 }
320
321 flags_saved(){
322 (: ${SAVE_CFLAGS?}) 2>/dev/null
323 }
324
325 save_flags(){
326 flags_saved && return
327 SAVE_CFLAGS="$CFLAGS"
328 SAVE_LDFLAGS="$LDFLAGS"
329 SAVE_extralibs="$extralibs"
330 }
331
332 restore_flags(){
333 flags_saved || return
334 CFLAGS="$SAVE_CFLAGS"
335 LDFLAGS="$SAVE_LDFLAGS"
336 extralibs="$SAVE_extralibs"
337 unset SAVE_CFLAGS
338 unset SAVE_LDFLAGS
339 unset SAVE_extralibs
340 }
341
342 temp_cflags(){
343 save_flags
344 CFLAGS="$CFLAGS $*"
345 }
346
347 temp_ldflags(){
348 save_flags
349 LDFLAGS="$LDFLAGS $*"
350 }
351
352 temp_extralibs(){
353 save_flags
354 extralibs="$extralibs $*"
355 }
356
357 append(){
358 var=$1
359 shift
360 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
361 eval "$var=\"\$$var $*\""
362 }
363
364 add_cflags(){
365 append CFLAGS "$@"
366 }
367
368 add_ldflags(){
369 append LDFLAGS "$@"
370 }
371
372 add_extralibs(){
373 append extralibs "$@"
374 }
375
376 check_cmd(){
377 log "$@"
378 "$@" >>$logfile 2>&1
379 }
380
381 check_cc(){
382 log check_cc "$@"
383 cat >$TMPC
384 log_file $TMPC
385 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
386 }
387
388 check_cpp(){
389 log check_cpp "$@"
390 cat >$TMPC
391 log_file $TMPC
392 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
393 }
394
395 check_ld(){
396 log check_ld "$@"
397 check_cc || return
398 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
399 }
400
401 check_cflags(){
402 log check_cflags "$@"
403 check_cc "$@" <<EOF && add_cflags "$@"
404 int x;
405 EOF
406 }
407
408 check_ldflags(){
409 log check_ldflags "$@"
410 check_ld "$@" <<EOF && add_ldflags "$@"
411 int main(){
412 return 0;
413 }
414 EOF
415 }
416
417 check_header(){
418 log check_header "$@"
419 header=$1
420 shift
421 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
422 disable $var
423 check_cpp "$@" <<EOF && enable $var
424 #include <$header>
425 int x;
426 EOF
427 }
428
429 check_func(){
430 log check_func "$@"
431 func=$1
432 shift
433 disable $func
434 check_ld "$@" <<EOF && enable $func
435 extern int $func();
436 int main(){
437 $func();
438 }
439 EOF
440 }
441
442 check_func2(){
443 log check_func2 "$@"
444 headers=$1
445 func=$2
446 shift 2
447 disable $func
448 incs=""
449 for hdr in $headers; do
450 incs="$incs
451 #include <$hdr>"
452 done
453 check_ld "$@" <<EOF && enable $func
454 $incs
455 int main(){
456 (void) $func;
457 return 0;
458 }
459 EOF
460 }
461
462 check_lib(){
463 log check_lib "$@"
464 header="$1"
465 func="$2"
466 shift 2
467 temp_extralibs "$@"
468 check_header $header && check_func $func && add_extralibs "$@"
469 err=$?
470 restore_flags
471 return $err
472 }
473
474 check_lib2(){
475 log check_lib2 "$@"
476 headers="$1"
477 func="$2"
478 shift 2
479 temp_extralibs "$@"
480 check_func2 "$headers" $func && add_extralibs "$@"
481 err=$?
482 restore_flags
483 return $err
484 }
485
486 check_exec(){
487 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
488 }
489
490 check_exec_crash(){
491 code=`cat`
492
493 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
494 # are safe but may not be available everywhere. Thus we use
495 # raise(SIGTERM) instead. The check is run in a subshell so we
496 # can redirect the "Terminated" message from the shell. SIGBUS
497 # is not defined by standard C so it is used conditionally.
498
499 (check_exec "$@") >>$logfile 2>&1 <<EOF
500 #include <signal.h>
501 static void sighandler(int sig){
502 raise(SIGTERM);
503 }
504 int main(){
505 signal(SIGILL, sighandler);
506 signal(SIGFPE, sighandler);
507 signal(SIGSEGV, sighandler);
508 #ifdef SIGBUS
509 signal(SIGBUS, sighandler);
510 #endif
511 { $code }
512 }
513 EOF
514 }
515
516 require(){
517 name="$1"
518 header="$2"
519 func="$3"
520 shift 3
521 check_lib $header $func "$@" || die "ERROR: $name not found"
522 }
523
524 require2(){
525 name="$1"
526 headers="$2"
527 func="$3"
528 shift 3
529 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
530 }
531
532 check_foo_config(){
533 cfg=$1
534 pkg=$2
535 header=$3
536 func=$4
537 shift 4
538 disable $cfg
539 check_cmd ${pkg}-config --version
540 err=$?
541 if test "$err" = 0; then
542 temp_cflags `${pkg}-config --cflags`
543 temp_extralibs `${pkg}-config --libs`
544 check_lib "$@" $header $func && enable $cfg
545 fi
546 return $err
547 }
548
549 apply(){
550 file=$1
551 shift
552 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
553 }
554
555 CONFIG_LIST='
556 encoders
557 decoders
558 parsers
559 bsfs
560 muxers
561 demuxers
562 audio_beos
563 audio_oss
564 avisynth
565 beos_netserver
566 bktr
567 dc1394
568 dv1394
569 ffmpeg
570 ffplay
571 ffserver
572 gpl
573 gprof
574 ipv6
575 liba52
576 liba52bin
577 libamr
578 libamr_nb
579 libamr_wb
580 libfaac
581 libfaad
582 libfaadbin
583 libgsm
584 libmp3lame
585 libnut
586 libogg
587 libtheora
588 libvorbis
589 memalign_hack
590 mpegaudio_hp
591 network
592 powerpc_perf
593 pp
594 protocols
595 swscaler
596 vhook
597 v4l
598 v4l2
599 x11grab
600 x264
601 xvid
602 zlib
603 '
604
605 THREADS_LIST='
606 beosthreads
607 os2threads
608 pthreads
609 w32threads
610 '
611
612 HAVE_LIST="
613 $THREADS_LIST
614 altivec
615 altivec_h
616 armv5te
617 armv6
618 arpa_inet_h
619 byteswap_h
620 cmov
621 dcbzl
622 dev_bktr_ioctl_bt848_h
623 dev_bktr_ioctl_meteor_h
624 dev_ic_bt8xx_h
625 dev_video_meteor_ioctl_meteor_h
626 dev_video_bktr_ioctl_bt848_h
627 dlfcn_h
628 dlopen
629 ebp_available
630 ebx_available
631 fast_64bit
632 fast_cmov
633 fast_unaligned
634 freetype2
635 imlib2
636 inet_aton
637 iwmmxt
638 localtime_r
639 lrintf
640 machine_ioctl_bt848_h
641 machine_ioctl_meteor_h
642 malloc_h
643 memalign
644 mlib
645 mmi
646 mmx
647 os2
648 sdl
649 sdl_video_size
650 soundcard_h
651 ssse3
652 sys_poll_h
653 sys_soundcard_h
654 threads
655 "
656
657 TARGET_LIST='
658 altivec
659 armv5te
660 armv6
661 iwmmxt
662 mmi
663 mmx
664 '
665
666 CMDLINE_SELECT="
667 $CONFIG_LIST
668 $TARGET_LIST
669 $THREADS_LIST
670 debug
671 extra_warnings
672 shared
673 static
674 "
675
676 # code dependency declarations
677
678 # decoders / encoders
679 dxa_decoder_deps="zlib"
680 flashsv_decoder_deps="zlib"
681 flashsv_encoder_deps="zlib"
682 flv_decoder_deps="h263_decoder"
683 h263_decoder_deps="h263_parser mpeg4video_parser"
684 h263i_decoder_deps="h263_decoder"
685 h264_decoder_deps="h264_parser"
686 mpeg_xvmc_decoder_deps="xvmc"
687 mpeg4_decoder_deps="h263_decoder"
688 msmpeg4v1_decoder_deps="h263_decoder"
689 msmpeg4v2_decoder_deps="h263_decoder"
690 msmpeg4v3_decoder_deps="h263_decoder"
691 png_decoder_deps="zlib"
692 png_encoder_deps="zlib"
693 vc1_decoder_deps="h263_decoder"
694 wmv1_decoder_deps="h263_decoder"
695 wmv2_decoder_deps="h263_decoder"
696 wmv3_decoder_deps="h263_decoder"
697 x264_encoder_deps="x264"
698 xvid_encoder_deps="xvid"
699 zmbv_decoder_deps="zlib"
700 zmbv_encoder_deps="zlib"
701
702 # external libraries
703 aac_decoder_deps="libfaad"
704 mpeg4aac_decoder_deps="libfaad"
705 faac_encoder_deps="libfaac"
706 liba52_decoder_deps="liba52"
707 libamr_nb_decoder_deps="libamr_nb"
708 libamr_nb_encoder_deps="libamr_nb"
709 libamr_wb_decoder_deps="libamr_wb"
710 libamr_wb_encoder_deps="libamr_wb"
711 libgsm_decoder_deps="libgsm"
712 libgsm_encoder_deps="libgsm"
713 libgsm_ms_decoder_deps="libgsm"
714 libgsm_ms_encoder_deps="libgsm"
715 libtheora_encoder_deps="libtheora"
716 mp3lame_encoder_deps="libmp3lame"
717 libvorbis_decoder_deps="libvorbis"
718 libvorbis_encoder_deps="libvorbis"
719
720 # demuxers / muxers
721 ac3_demuxer_deps="ac3_parser"
722 audio_demuxer_deps_any="audio_oss audio_beos"
723 audio_muxer_deps_any="audio_oss audio_beos"
724 dc1394_demuxer_deps="dc1394"
725 dv1394_demuxer_deps="dv1394"
726 gxf_muxer_deps="gpl"
727 libnut_demuxer_deps="libnut"
728 libnut_muxer_deps="libnut"
729 mp3_demuxer_deps="mpegaudio_parser"
730 ogg_muxer_deps="libogg"
731 redir_demuxer_deps="network"
732 rtp_muxer_deps="network mpegts_demuxer"
733 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
734 sdp_demuxer_deps="rtsp_demuxer"
735 v4l2_demuxer_deps="v4l2"
736 video_grab_bktr_demuxer_deps="bktr"
737 video_grab_v4l_demuxer_deps="v4l"
738 x11_grab_device_demuxer_deps="x11grab"
739
740 # protocols
741 http_protocol_deps="network"
742 rtp_protocol_deps="udp_protocol"
743 tcp_protocol_deps="network"
744 udp_protocol_deps="network"
745
746 # programs
747 ffplay_deps="sdl"
748 ffserver_deps="muxers rtp_protocol"
749
750
751 # set temporary file name
752 if test ! -z "$TMPDIR" ; then
753 TMPDIR1="${TMPDIR}"
754 elif test ! -z "$TEMPDIR" ; then
755 TMPDIR1="${TEMPDIR}"
756 else
757 TMPDIR1="/tmp"
758 fi
759
760 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
761 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
762 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
763 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
764 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
765
766 # default parameters
767
768 logging="yes"
769 logfile="config.err"
770
771 # installation paths
772 PREFIX="/usr/local"
773 libdir='${PREFIX}/lib'
774 shlibdir="$libdir"
775 incdir='${PREFIX}/include/ffmpeg'
776 mandir='${PREFIX}/man'
777 bindir='${PREFIX}/bin'
778
779 # toolchain
780 cross_prefix=""
781 cross_compile="no"
782 cc="gcc"
783 ar="ar"
784 ranlib="ranlib"
785 make="make"
786 strip="strip"
787 asmalign_pot="unknown"
788
789 # machine
790 arch=`uname -m`
791 cpu="generic"
792 powerpc_perf="no"
793 mmx="default"
794 cmov="no"
795 fast_cmov="no"
796 fast_unaligned="no"
797 armv5te="default"
798 armv6="default"
799 iwmmxt="default"
800 altivec="default"
801 dcbzl="no"
802 mmi="default"
803 bigendian="no"
804
805 # OS
806 targetos=$(tolower $(uname -s))
807 beos_netserver="no"
808 os2="no"
809
810 # non-library system interfaces
811 audio_beos="default"
812 audio_oss="yes"
813 bktr="yes"
814 dv1394="yes"
815 v4l2="yes"
816 v4l="yes"
817
818 # libraries
819 avisynth="no"
820 dc1394="no"
821 dlfcn_h="no"
822 dlopen="no"
823 liba52="no"
824 liba52bin="no"
825 libamr_nb="no"
826 libamr_wb="no"
827 libfaac="no"
828 libfaad2="no"
829 libfaad="no"
830 libfaadbin="no"
831 libgsm="no"
832 libmp3lame="no"
833 libnut="no"
834 libogg="no"
835 libtheora="no"
836 libvorbis="no"
837 mlib="no"
838 x11grab="no"
839 x264="no"
840 xvid="no"
841 zlib="yes"
842
843 # configurable options
844 debug="yes"
845 dostrip="yes"
846 extra_warnings="no"
847 ffmpeg="yes"
848 ffplay="yes"
849 ffserver="yes"
850 gpl="no"
851 gprof="no"
852 ipv6="yes"
853 shared="no"
854 static="yes"
855 memalign_hack="no"
856 mpegaudio_hp="yes"
857 network="yes"
858 optimize="yes"
859 pp="no"
860 protocols="yes"
861 swscaler="no"
862 vhook="default"
863
864 # threading
865 beosthreads="no"
866 os2threads="no"
867 pthreads="no"
868 w32threads="no"
869 thread_type="no"
870
871 # build settings
872 SHFLAGS='-shared -Wl,-soname,$@'
873 VHOOKSHFLAGS='$(SHFLAGS)'
874 LIBOBJFLAGS=""
875 FFLDFLAGS=-Wl,--warn-common
876 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
877 FFSERVERLDFLAGS=-Wl,-E
878 LDCONFIG="ldconfig"
879 LIBPREF="lib"
880 LIBSUF=".a"
881 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
882 SLIBPREF="lib"
883 SLIBSUF=".so"
884 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
885 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
886 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
887 EXESUF=""
888 BUILDSUF=""
889 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
890
891 # find source path
892 source_path="`dirname \"$0\"`"
893 source_path_used="yes"
894 if test -z "$source_path" -o "$source_path" = "." ; then
895 source_path="`pwd`"
896 source_path_used="no"
897 else
898 source_path="`cd \"$source_path\"; pwd`"
899 echo "$source_path" | grep -q '[[:blank:]]' &&
900 die "Out of tree builds are impossible with whitespace in source path."
901 fi
902
903 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
904 show_help
905 fi
906
907 FFMPEG_CONFIGURATION="$@"
908
909 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
910 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
911 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
912 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
913 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
914 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
915 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
916
917 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
918
919 die_unknown(){
920 echo "Unknown option \"$1\"."
921 echo "See $0 --help for available options."
922 exit 1
923 }
924
925 for opt do
926 optval="${opt#*=}"
927 case "$opt" in
928 --log)
929 ;;
930 --log=*) logging="$optval"
931 ;;
932 --prefix=*) PREFIX="$optval"
933 ;;
934 --libdir=*) libdir="$optval"
935 ;;
936 --shlibdir=*) shlibdir="$optval"
937 ;;
938 --incdir=*) incdir="$optval"
939 ;;
940 --mandir=*) mandir="$optval"
941 ;;
942 --source-path=*) source_path="$optval"
943 ;;
944 --cross-prefix=*) cross_prefix="$optval"
945 ;;
946 --cross-compile) cross_compile="yes"
947 ;;
948 --target-os=*) targetos="$optval"
949 ;;
950 --cc=*) cc="$optval"
951 ;;
952 --make=*) make="$optval"
953 ;;
954 --extra-cflags=*) add_cflags "$optval"
955 ;;
956 --extra-ldflags=*) add_ldflags "$optval"
957 ;;
958 --extra-libs=*) add_extralibs "$optval"
959 ;;
960 --build-suffix=*) BUILDSUF="$optval"
961 ;;
962 --arch=*) arch="$optval"
963 ;;
964 --cpu=*) cpu="$optval"
965 ;;
966 --disable-opts) optimize="no"
967 ;;
968 --enable-small) optimize="small"
969 ;;
970 --enable-sunmlib) mlib="yes"
971 ;;
972 --disable-strip) dostrip="no"
973 ;;
974 --disable-encoders) disable $ENCODER_LIST
975 ;;
976 --disable-decoders) disable $DECODER_LIST
977 ;;
978 --disable-muxers) disable $MUXER_LIST
979 ;;
980 --disable-demuxers) disable $DEMUXER_LIST
981 ;;
982 --disable-parsers) disable $PARSER_LIST
983 ;;
984 --disable-bsfs) disable $BSF_LIST
985 ;;
986 --disable-protocols) disable $PROTOCOL_LIST
987 ;;
988 --enable-*=*|--disable-*=*)
989 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
990 case "$thing" in
991 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
992 *) die_unknown "$opt" ;;
993 esac
994 ;;
995 --enable-?*|--disable-?*)
996 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
997 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
998 $action $option
999 ;;
1000 --help) show_help
1001 ;;
1002 *)
1003 die_unknown $opt
1004 ;;
1005 esac
1006 done
1007
1008 case "$arch" in
1009 i386|i486|i586|i686|i86pc|BePC)
1010 arch="x86_32"
1011 enable fast_unaligned
1012 ;;
1013 x86_64|amd64)
1014 arch="x86_32"
1015 enable fast_unaligned
1016 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1017 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1018 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1019 arch="x86_64"
1020 enable fast_64bit
1021 fi
1022 fi
1023 ;;
1024 # armv4l is a subset of armv[567]*l
1025 arm|armv[4567]*l)
1026 arch="armv4l"
1027 ;;
1028 alpha)
1029 arch="alpha"
1030 enable fast_64bit
1031 ;;
1032 "Power Macintosh"|ppc|powerpc)
1033 arch="powerpc"
1034 ;;
1035 ppc64)
1036 arch="powerpc"
1037 enable fast_64bit
1038 ;;
1039 mips|mipsel|IP*)
1040 arch="mips"
1041 ;;
1042 sun4u|sparc64)
1043 arch="sparc64"
1044 enable fast_64bit
1045 ;;
1046 sparc)
1047 arch="sparc"
1048 ;;
1049 sh4)
1050 arch="sh4"
1051 ;;
1052 parisc)
1053 arch="parisc"
1054 ;;
1055 parisc64)
1056 arch="parisc"
1057 enable fast_64bit
1058 ;;
1059 s390|s390x)
1060 arch="s390"
1061 ;;
1062 m68k)
1063 arch="m68k"
1064 ;;
1065 ia64)
1066 arch="ia64"
1067 enable fast_64bit
1068 ;;
1069 bfin)
1070 arch="bfin"
1071 ;;
1072 *)
1073 arch="unknown"
1074 ;;
1075 esac
1076
1077 # OS specific
1078 osextralibs="-lm"
1079 case $targetos in
1080 beos|haiku|zeta)
1081 PREFIX="$HOME/config"
1082 # helps building libavcodec
1083 add_cflags "-DPIC -fomit-frame-pointer"
1084 # 3 gcc releases known for BeOS, each with ugly bugs
1085 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1086 case "$gcc_version" in
1087 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1088 mmx="no"
1089 ;;
1090 *20010315*) echo "BeBits gcc"
1091 add_cflags "-fno-expensive-optimizations"
1092 ;;
1093 esac
1094 LDCONFIG="echo ignoring ldconfig"
1095 SHFLAGS=-nostart
1096 # disable Linux things
1097 dv1394="no"
1098 # enable BeOS things
1099 disabled audio_beos || enable_audio_beos
1100 # no need for libm, but the inet stuff
1101 # Check for BONE
1102 # XXX: actually should check for NOT net_server
1103 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1104 osextralibs="-lbind -lsocket"
1105 else
1106 beos_netserver="yes"
1107 osextralibs="-lnet"
1108 fi ;;
1109 sunos)
1110 dv1394="no"
1111 FFLDFLAGS=""
1112 FFSERVERLDFLAGS=""
1113 SHFLAGS="-shared -Wl,-h,\$@"
1114 add_extralibs "-lsocket -lnsl"
1115 ;;
1116 netbsd)
1117 dv1394="no"
1118 add_extralibs "-lossaudio"
1119 ;;
1120 openbsd)
1121 dv1394="no"
1122 need_memalign="no"
1123 LIBOBJFLAGS="\$(PIC)"
1124 LDCONFIG="ldconfig -m \$(shlibdir)"
1125 SHFLAGS='-shared'
1126 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1127 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1128 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1129 add_extralibs "-lossaudio"
1130 ;;
1131 freebsd)
1132 dv1394="no"
1133 need_memalign="no"
1134 add_cflags "-pthread"
1135 ;;
1136 gnu/kfreebsd)
1137 dv1394="no"
1138 add_cflags "-pthread"
1139 ;;
1140 bsd/os)
1141 dv1394="no"
1142 osextralibs="-lpoll -lgnugetopt -lm"
1143 strip="strip -d"
1144 ;;
1145 darwin)
1146 dv1394="no"
1147 need_memalign="no"
1148 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1149 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1150 osextralibs=""
1151 strip="strip -x"
1152 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1153 SLIBSUF=".dylib"
1154 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1155 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1156 FFSERVERLDFLAGS=-Wl,-bind_at_load
1157 ;;
1158 mingw32*)
1159 targetos=mingw32
1160 shlibdir="$bindir"
1161 dv1394="no"
1162 ffserver="no"
1163 network="no"
1164 SLIBPREF=""
1165 SLIBSUF=".dll"
1166 EXESUF=".exe"
1167 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1168 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1169 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1170 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1171 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1172 enabled network && add_extralibs -lws2_32
1173 ;;
1174 cygwin*)
1175 targetos=cygwin
1176 shlibdir="$bindir"
1177 dv1394="no"
1178 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1179 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1180 osextralibs=""
1181 EXESUF=".exe"
1182 SLIBPREF="cyg"
1183 SLIBSUF=".dll"
1184 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1185 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1186 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1187 ;;
1188 linux)
1189 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1190 ;;
1191 irix*)
1192 targetos=irix
1193 ranlib="echo ignoring ranlib"
1194 ;;
1195 os/2)
1196 TMPE=$TMPE".exe"
1197 ar="emxomfar -p128"
1198 ranlib="echo ignoring ranlib"
1199 strip="echo ignoring strip"
1200 add_cflags "-Zomf"
1201 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1202 SHFLAGS="-Zdll -Zomf"
1203 FFSERVERLDFLAGS=""
1204 LIBPREF=""
1205 LIBSUF=".lib"
1206 SLIBPREF=""
1207 SLIBSUF=".dll"
1208 EXESUF=".exe"
1209 osextralibs=""
1210 pkg_requires=""
1211 dv1394="no"
1212 ffserver="no"
1213 vhook="no"
1214 os2="yes"
1215 ;;
1216 *)
1217 targetos="${targetos}-UNKNOWN"
1218 ;;
1219 esac
1220
1221 add_extralibs $osextralibs
1222
1223 if ! disabled logging ; then
1224 enabled logging || logfile="$logging"
1225 echo "# $0 $@" >$logfile
1226 set >>$logfile
1227 else
1228 logfile=/dev/null
1229 fi
1230
1231 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1232 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1233
1234 test -n "$cross_prefix" && cross_compile=yes
1235 cc="${cross_prefix}${cc}"
1236 ar="${cross_prefix}${ar}"
1237 ranlib="${cross_prefix}${ranlib}"
1238 strip="${cross_prefix}${strip}"
1239
1240 # we need to build at least one lib type
1241 if disabled_all static shared; then
1242 cat <<EOF
1243 At least one library type must be built.
1244 Specify --enable-static to build the static libraries or --enable-shared to
1245 build the shared libraries as well. To only build the shared libraries specify
1246 --disable-static in addition to --enable-shared.
1247 EOF
1248 exit 1;
1249 fi
1250
1251 if disabled libogg; then
1252 enabled libtheora && die "libogg must be enabled to enable libtheora."
1253 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1254 fi
1255
1256 if enabled_any libfaad libfaadbin ; then
1257 if check_header faad.h; then
1258 check_cc << EOF
1259 #include <faad.h>
1260 #ifndef FAAD2_VERSION
1261 ok faad1
1262 #endif
1263 int main( void ) { return 0; }
1264 EOF
1265 test $? = 0 && enable libfaad2
1266 else
1267 die "FAAD test failed."
1268 fi
1269 fi
1270
1271
1272 if disabled gpl ; then
1273 die_gpl_disabled(){
1274 name=$1
1275 shift
1276 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1277 }
1278 die_gpl_disabled "The Postprocessing code" pp
1279 die_gpl_disabled "liba52" liba52
1280 die_gpl_disabled "libxvidcore" xvid
1281 die_gpl_disabled "x264" x264
1282 die_gpl_disabled "FAAD2" libfaad2
1283 die_gpl_disabled "The X11 grabber" x11grab
1284 die_gpl_disabled "The software scaler" swscaler
1285 fi
1286
1287 # compute MMX state
1288 if test $mmx = "default"; then
1289 if test $arch = "x86_32" -o $arch = "x86_64"; then
1290 mmx="yes"
1291 else
1292 mmx="no"
1293 fi
1294 fi
1295
1296 test -z "$need_memalign" && need_memalign="$mmx"
1297
1298 #Darwin CC versions
1299 needmdynamicnopic="no"
1300 if test $targetos = darwin; then
1301 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1302 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1303 else
1304 add_cflags "-no-cpp-precomp -pipe"
1305 check_cflags "-force_cpusubtype_ALL"
1306 check_cflags "-Wno-sign-compare"
1307 disabled shared && needmdynamicnopic="yes"
1308 fi
1309 fi
1310 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1311
1312 disabled optimize || add_cflags -fomit-frame-pointer
1313
1314 # Can only do AltiVec on PowerPC
1315 if test $altivec = "default"; then
1316 if test $arch = "powerpc"; then
1317 altivec="yes"
1318 else
1319 altivec="no"
1320 fi
1321 fi
1322
1323 # Add processor-specific flags
1324 POWERPCMODE="32bits"
1325 if test $cpu != "generic"; then
1326 warn_altivec(){
1327 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1328 }
1329 case $cpu in
1330 601|ppc601|PowerPC601)
1331 add_cflags "-mcpu=601"
1332 warn_altivec enabled PPC601
1333 ;;
1334 603*|ppc603*|PowerPC603*)
1335 add_cflags "-mcpu=603"
1336 warn_altivec enabled PPC603
1337 ;;
1338 604*|ppc604*|PowerPC604*)
1339 add_cflags "-mcpu=604"
1340 warn_altivec enabled PPC604
1341 ;;
1342 G3|g3|75*|ppc75*|PowerPC75*)
1343 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1344 warn_altivec enabled PPC75x
1345 ;;
1346 G4|g4|745*|ppc745*|PowerPC745*)
1347 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1348 warn_altivec disabled PPC745x
1349 ;;
1350 74*|ppc74*|PowerPC74*)
1351 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1352 warn_altivec disabled PPC74xx
1353 ;;
1354 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1355 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1356 warn_altivec disabled PPC970
1357 POWERPCMODE="64bits"
1358 ;;
1359 # targets that do NOT support conditional mov (cmov)
1360 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1361 add_cflags "-march=$cpu"
1362 cmov="no"
1363 ;;
1364 # targets that do support conditional mov (cmov)
1365 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1366 add_cflags "-march=$cpu"
1367 cmov="yes"
1368 fast_cmov="yes"
1369 ;;
1370 # targets that do support conditional mov but on which it's slow
1371 pentium4|prescott|nocona)
1372 add_cflags "-march=$cpu"
1373 cmov="yes"
1374 fast_cmov="no"
1375 ;;
1376 sparc64)
1377 add_cflags "-mcpu=v9"
1378 ;;
1379 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1380 add_cflags "-mfdpic"
1381 add_ldflags "-mfdpic"
1382 ;;
1383 *)
1384 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1385 ;;
1386 esac
1387 fi
1388
1389 gnu_make(){
1390 $1 --version 2>&1 | grep -q GNU
1391 }
1392
1393 if ! gnu_make $make; then
1394 gnu_make gmake && make=gmake || die "GNU make not found."
1395 fi
1396
1397 # make sure we can execute files in $TMPDIR
1398 cat >$TMPE 2>>$logfile <<EOF
1399 #! /bin/sh
1400 EOF
1401 chmod +x $TMPE >>$logfile 2>&1
1402 if ! $TMPE >>$logfile 2>&1; then
1403 cat <<EOF
1404 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1405 variable to another directory and make sure that $TMPDIR1 is not mounted
1406 noexec.
1407 EOF
1408 die "Sanity test failed."
1409 fi
1410 rm $TMPE
1411
1412 # compiler sanity check
1413 check_exec <<EOF
1414 int main(){
1415 return 0;
1416 }
1417 EOF
1418 if test "$?" != 0; then
1419 echo "$cc is unable to create an executable file."
1420 if test -z "$cross_prefix" && disabled cross_compile ; then
1421 echo "If $cc is a cross-compiler, use the --cross-compile option."
1422 echo "Only do this if you know what cross compiling means."
1423 fi
1424 die "C compiler test failed."
1425 fi
1426
1427 if test $arch = "x86_32" -o $arch = "x86_64"; then
1428 # check whether EBP is available on x86
1429 # As 'i' is stored on the stack, this program will crash
1430 # if the base pointer is used to access it because the
1431 # base pointer is cleared in the inline assembly code.
1432 check_exec_crash <<EOF && enable ebp_available
1433 volatile int i=0;
1434 asm volatile (
1435 "xorl %%ebp, %%ebp"
1436 ::: "%ebp");
1437 return i;
1438 EOF
1439
1440 # check wether EBX is available on x86
1441 check_cc <<EOF && enable ebx_available
1442 int main(){
1443 asm volatile ("":::"%ebx");
1444 }
1445 EOF
1446
1447 # check whether binutils is new enough to compile SSSE3
1448 check_cc <<EOF && enable ssse3
1449 int main(){
1450 asm volatile ("pabsw %xmm0, %xmm0");
1451 }
1452 EOF
1453 fi
1454
1455 # check for assembler specific support
1456
1457 if test $arch = "powerpc"; then
1458 check_cc <<EOF && dcbzl=yes
1459 int main(void) {
1460 register long zero = 0;
1461 char data[1024];
1462 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1463 return 0;
1464 }
1465 EOF
1466 fi
1467
1468 # check for SIMD availability
1469
1470 # AltiVec flags: The FSF version of GCC differs from the Apple version
1471 if test $arch = "powerpc"; then
1472 if enabled altivec; then
1473 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1474 add_cflags "-faltivec"
1475 else
1476 add_cflags "-maltivec -mabi=altivec"
1477 fi
1478 fi
1479 fi
1480
1481 check_header altivec.h
1482
1483 # check if our compiler supports Motorola AltiVec C API
1484 if enabled altivec; then
1485 if enabled altivec_h; then
1486 inc_altivec_h="#include <altivec.h>"
1487 else
1488 inc_altivec_h=
1489 fi
1490 check_cc <<EOF || altivec=no
1491 $inc_altivec_h
1492 int main(void) {
1493 vector signed int v1, v2, v3;
1494 v1 = vec_add(v2,v3);
1495 return 0;
1496 }
1497 EOF
1498 fi
1499
1500 # check armv5te instructions support
1501 if test $armv5te = "default" -a $arch = "armv4l"; then
1502 armv5te=no
1503 check_cc <<EOF && armv5te=yes
1504 int main(void) {
1505 __asm__ __volatile__ ("qadd r0, r0, r0");
1506 }
1507 EOF
1508 fi
1509
1510 if test $armv6 = "default" -a $arch = "armv4l"; then
1511 check_cc <<EOF && armv6=yes || armv6=no
1512 int main(void) {
1513 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1514 }
1515 EOF
1516 fi
1517
1518 # check iwmmxt support
1519 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1520 iwmmxt=no
1521 check_cc <<EOF && iwmmxt=yes
1522 int main(void) {
1523 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1524 }
1525 EOF
1526 fi
1527
1528 # mmi only available on mips
1529 if test $mmi = "default"; then
1530 if test $arch = "mips"; then
1531 mmi="yes"
1532 else
1533 mmi="no"
1534 fi
1535 fi
1536
1537 # check if our compiler supports mmi
1538 enabled mmi && check_cc <<EOF || mmi="no"
1539 int main(void) {
1540 __asm__ ("lq \$2, 0(\$2)");
1541 return 0;
1542 }
1543 EOF
1544
1545 # ---
1546 # big/little-endian test
1547 if disabled cross_compile; then
1548 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1549 #include <inttypes.h>
1550 int main(int argc, char ** argv){
1551 volatile uint32_t i=0x01234567;
1552 return (*((uint8_t*)(&i))) == 0x67;
1553 }
1554 EOF
1555 else
1556 # programs cannot be launched if cross compiling, so make a static guess
1557 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1558 bigendian="yes"
1559 fi
1560 fi
1561
1562 # ---
1563 # check availability of some header files
1564
1565 check_header malloc.h
1566 check_func memalign
1567
1568 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1569 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1570 fi
1571
1572 check_header byteswap.h
1573
1574 check_header arpa/inet.h
1575
1576 check_func inet_aton
1577 check_func localtime_r
1578 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1579
1580 # ffserver uses poll(),
1581 # if it's not found we can emulate it using select().
1582 if enabled ffserver; then
1583 check_header sys/poll.h
1584 fi
1585
1586 # check for some common methods of building with pthread support
1587 # do this before the optional library checks as some of them require pthreads
1588 if enabled pthreads; then
1589 if check_func pthread_create; then
1590 :
1591 elif check_func pthread_create -pthread; then
1592 add_cflags -pthread
1593 add_ldflags -pthread
1594 elif check_func pthread_create -pthreads; then
1595 add_cflags -pthreads
1596 add_ldflags -pthreads
1597 elif ! check_lib pthread.h pthread_create -lpthread; then
1598 die "ERROR: can't find pthreads library"
1599 fi
1600 fi
1601
1602 for thread in $THREADS_LIST; do
1603 if enabled $thread; then
1604 if ! disabled thread_type ; then
1605 die "ERROR: Only one thread type must be selected."
1606 else
1607 thread_type="$thread"
1608 fi
1609 fi
1610 done
1611
1612 enabled_any libamr_nb libamr_wb && enable libamr
1613
1614 # these are off by default, so fail if requested and not available
1615 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1616 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1617 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1618 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1619 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1620 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1621 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1622 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1623 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1624 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1625 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1626 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1627 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1628 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1629 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1630 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1631
1632 # test for lrintf in math.h
1633 check_exec <<EOF && lrintf=yes || lrintf=no
1634 #define _ISOC9X_SOURCE 1
1635 #include <math.h>
1636 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1637 EOF
1638
1639 _restrict=
1640 for restrict_keyword in restrict __restrict__ __restrict; do
1641 check_cc <<EOF && _restrict=$restrict_keyword && break
1642 void foo(char * $restrict_keyword p);
1643 EOF
1644 done
1645
1646 # dlopen/dlfcn.h probing
1647
1648 check_header dlfcn.h
1649
1650 if check_func dlopen; then
1651 ldl=
1652 elif check_func dlopen -ldl; then
1653 ldl=-ldl
1654 fi
1655
1656 test "$vhook" = "default" && vhook="$dlopen"
1657
1658 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1659
1660 if test "$targetos" = cygwin && enabled static ; then
1661 vhook="no"
1662 echo
1663 echo "At the moment vhooks don't work on Cygwin static builds."
1664 echo "Patches welcome."
1665 echo
1666 fi
1667
1668 if enabled vhook; then
1669 check_ldflags -rdynamic
1670 check_ldflags -export-dynamic
1671 fi
1672
1673 enabled audio_beos && add_extralibs "-lmedia -lbe"
1674
1675 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1676 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1677
1678 ##########################################
1679 # SDL check
1680
1681 sdl_too_old=no
1682 sdl=no
1683 SDL_CONFIG="${cross_prefix}sdl-config"
1684 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1685 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1686 temp_cflags $sdl_cflags
1687 temp_extralibs `"${SDL_CONFIG}" --libs`
1688 if check_lib SDL.h SDL_Init; then
1689 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1690 if test "$_sdlversion" -lt 121 ; then
1691 sdl_too_old=yes
1692 else
1693 sdl=yes
1694 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1695 #include <SDL.h>
1696 int main(void){
1697 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1698 int w = vi->current_w;
1699 return 0;
1700 }
1701 EOF
1702 fi
1703 fi
1704 restore_flags
1705 fi
1706
1707 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1708
1709 ##########################################
1710 # IPv6 check
1711
1712 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1713 #include <sys/types.h>
1714 #include <sys/socket.h>
1715 #include <netinet/in.h>
1716 #include <netdb.h>
1717 int main( void ) {
1718 struct sockaddr_storage saddr;
1719 struct ipv6_mreq mreq6;
1720 getaddrinfo(0,0,0,0);
1721 getnameinfo(0,0,0,0,0,0,0);
1722 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1723 }
1724 EOF
1725
1726 enabled v4l && check_header linux/videodev.h || disable v4l
1727 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1728
1729 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1730 if enabled bktr; then
1731 { check_header dev/bktr/ioctl_meteor.h &&
1732 check_header dev/bktr/ioctl_bt848.h; } ||
1733 { check_header machine/ioctl_meteor.h &&
1734 check_header machine/ioctl_bt848.h; } ||
1735 { check_header dev/video/meteor/ioctl_meteor.h &&
1736 check_header dev/video/bktr/ioctl_bt848.h; } ||
1737 check_header dev/ic/bt8xx.h ||
1738 disable bktr
1739 fi
1740
1741 enabled audio_oss &&
1742 check_header sys/soundcard.h ||
1743 check_header soundcard.h ||
1744 disable audio_oss
1745
1746 # Deal with the x11 frame grabber
1747 enabled x11grab &&
1748 enabled gpl &&
1749 enabled x11_grab_device_demuxer &&
1750 check_header X11/Xlib.h &&
1751 check_header X11/extensions/XShm.h &&
1752 check_func XOpenDisplay -lX11 &&
1753 check_func XShmCreateImage -lX11 -lXext &&
1754 add_extralibs -lX11 -lXext ||
1755 disable x11_grab_device_demuxer
1756
1757 enabled debug && add_cflags -g
1758
1759 # add some useful compiler flags if supported
1760 check_cflags -Wdeclaration-after-statement
1761 check_cflags -Wall
1762 check_cflags -Wno-switch
1763 check_cflags -Wdisabled-optimization
1764 check_cflags -Wpointer-arith
1765 check_cflags -Wredundant-decls
1766 check_cflags -Wno-pointer-sign
1767 enabled extra_warnings && check_cflags -Winline
1768
1769 # add some linker flags
1770 check_ldflags $LDLATEFLAGS
1771
1772 # not all compilers support -Os
1773 test "$optimize" = "small" && check_cflags -Os
1774
1775 if enabled optimize; then
1776 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1777 add_cflags "-O5"
1778 add_ldflags "-O5"
1779 else
1780 add_cflags "-O3"
1781 fi
1782 fi
1783
1784 # PIC flags for shared library objects where they are needed
1785 if enabled shared; then
1786 # LIBOBJFLAGS may have already been set in the OS configuration
1787 if test -z "$LIBOBJFLAGS" ; then
1788 case "$arch" in
1789 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1790 esac
1791 fi
1792 fi
1793
1794 if enabled gprof; then
1795 add_cflags "-p"
1796 add_ldflags "-p"
1797 fi
1798
1799 VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1800
1801 # find if .align arg is power-of-two or not
1802 if test $asmalign_pot = "unknown"; then
1803 asmalign_pot="no"
1804 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1805 fi
1806
1807 enabled_any $ENCODER_LIST && enable encoders
1808 enabled_any $DECODER_LIST && enable decoders
1809 enabled_any $MUXER_LIST && enable muxers
1810 enabled_any $DEMUXER_LIST && enable demuxers
1811 enabled_any $PROTOCOL_LIST && enable protocols
1812 enabled_any $BSF_LIST && enable bsfs
1813
1814 enabled_any $THREADS_LIST && enable threads
1815
1816 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1817 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1818
1819 enabled libogg && append pkg_requires "ogg >= 1.1"
1820 enabled libtheora && append pkg_requires "theora"
1821 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1822 enabled dc1394 && append pkg_requires "libraw1394"
1823
1824 echo "install prefix $PREFIX"
1825 echo "source path $source_path"
1826 echo "C compiler $cc"
1827 echo "make $make"
1828 echo ".align is power-of-two $asmalign_pot"
1829 echo "ARCH $arch ($cpu)"
1830 if test "$BUILDSUF" != ""; then
1831 echo "build suffix $BUILDSUF"
1832 fi
1833 echo "big-endian $bigendian"
1834 if test $arch = "x86_32" -o $arch = "x86_64"; then
1835 echo "MMX enabled $mmx"
1836 echo "CMOV enabled $cmov"
1837 echo "CMOV is fast $fast_cmov"
1838 fi
1839 if test $arch = "armv4l"; then
1840 echo "ARMv5TE enabled $armv5te"
1841 echo "ARMv6 enabled $armv6"
1842 echo "IWMMXT enabled $iwmmxt"
1843 fi
1844 if test $arch = "mips"; then
1845 echo "MMI enabled $mmi"
1846 fi
1847 if test $arch = "powerpc"; then
1848 echo "AltiVec enabled $altivec"
1849 echo "dcbzl available $dcbzl"
1850 fi
1851 echo "gprof enabled $gprof"
1852 echo "debug symbols $debug"
1853 echo "strip symbols $dostrip"
1854 echo "optimize $optimize"
1855 echo "static $static"
1856 echo "shared $shared"
1857 echo "postprocessing support $pp"
1858 echo "software scaler enabled $swscaler"
1859 echo "video hooking $vhook"
1860 if enabled vhook; then
1861 echo "Imlib2 support $imlib2"
1862 echo "FreeType support $freetype2"
1863 fi
1864 echo "network support $network"
1865 if enabled network; then
1866 echo "IPv6 support $ipv6"
1867 fi
1868 echo "threading support $thread_type"
1869 echo "SDL support $sdl"
1870 if enabled sdl_too_old; then
1871 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1872 fi
1873 echo "Sun medialib support $mlib"
1874 echo "AVISynth enabled $avisynth"
1875 echo "liba52 support $liba52"
1876 echo "liba52 dlopened $liba52bin"
1877 echo "libamr-nb support $libamr_nb"
1878 echo "libamr-wb support $libamr_wb"
1879 echo "libfaac enabled $libfaac"
1880 echo "libfaad enabled $libfaad"
1881 echo "faadbin enabled $libfaadbin"
1882 echo "libgsm enabled $libgsm"
1883 echo "libmp3lame enabled $libmp3lame"
1884 echo "libnut enabled $libnut"
1885 echo "libogg enabled $libogg"
1886 echo "libtheora enabled $libtheora"
1887 echo "libvorbis enabled $libvorbis"
1888 echo "x264 enabled $x264"
1889 echo "XviD enabled $xvid"
1890 echo "zlib enabled $zlib"
1891 if disabled gpl; then
1892 echo "License: LGPL"
1893 else
1894 echo "License: GPL"
1895 fi
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! */" > $TMPH
1901 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1902
1903 echo "PREFIX=$PREFIX" >> config.mak
1904 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1905 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1906 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1907 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1908 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1909 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1910 echo "MAKE=$make" >> config.mak
1911 echo "CC=$cc" >> config.mak
1912 echo "AR=$ar" >> config.mak
1913 echo "RANLIB=$ranlib" >> config.mak
1914 if enabled dostrip; then
1915 echo "STRIP=$strip" >> config.mak
1916 else
1917 echo "STRIP=echo ignoring strip" >> config.mak
1918 fi
1919
1920 echo "OPTFLAGS=$CFLAGS" >> config.mak
1921 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1922 echo "LDFLAGS=$LDFLAGS" >> config.mak
1923 echo "LDCONFIG=$LDCONFIG" >> config.mak
1924 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1925 echo "SHFLAGS=$SHFLAGS" >> config.mak
1926 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1927 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1928 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1929 echo "BUILD_STATIC=$static" >> config.mak
1930 echo "BUILDSUF=$BUILDSUF" >> config.mak
1931 echo "LIBPREF=$LIBPREF" >> config.mak
1932 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1933 if enabled static; then
1934 echo "LIB=$LIB" >> config.mak
1935 else # Some Make complain if this variable does not exist.
1936 echo "LIB=" >> config.mak
1937 fi
1938 echo "SLIBPREF=$SLIBPREF" >> config.mak
1939 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1940 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1941
1942 ucarch=`toupper $arch`
1943 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1944 echo "#define ARCH_${ucarch} 1" >> $TMPH
1945
1946 # special cases
1947 case "$arch" in
1948 x86_32|x86_64)
1949 echo "TARGET_ARCH_X86=yes" >> config.mak
1950 echo "#define ARCH_X86 1" >> $TMPH
1951 ;;
1952 powerpc)
1953 if test "$POWERPCMODE" = "64bits"; then
1954 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1955 fi
1956 ;;
1957 sparc64)
1958 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1959 echo "#define ARCH_SPARC 1" >> $TMPH
1960 ;;
1961 esac
1962
1963 if enabled bigendian; then
1964 echo "WORDS_BIGENDIAN=yes" >> config.mak
1965 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1966 fi
1967 if enabled mmx; then
1968 echo "#define __CPU__ 586" >> $TMPH
1969 fi
1970
1971 if enabled sdl; then
1972 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1973 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1974 fi
1975 if enabled texi2html; then
1976 echo "BUILD_DOC=yes" >> config.mak
1977 fi
1978
1979 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1980 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1981 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1982 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1983 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1984
1985
1986
1987 if enabled shared; then
1988 echo "BUILD_SHARED=yes" >> config.mak
1989 echo "PIC=-fPIC -DPIC" >> config.mak
1990 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1991 echo "SPPVERSION=$pp_version" >> config.mak
1992 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1993 echo "LAVCVERSION=$lavc_version" >> config.mak
1994 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1995 echo "LAVFVERSION=$lavf_version" >> config.mak
1996 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1997 echo "LAVUVERSION=$lavu_version" >> config.mak
1998 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1999 echo "SWSVERSION=$sws_version" >> config.mak
2000 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2001 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2002 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2003 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2004 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2005 fi
2006 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2007 echo "EXTRALIBS=$extralibs" >> config.mak
2008
2009 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2010 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2011 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2012
2013 if test "$targetos" = darwin; then
2014 echo "#define CONFIG_DARWIN 1" >> $TMPH
2015 fi
2016
2017 echo "#define restrict $_restrict" >> $TMPH
2018
2019 if test "$optimize" = "small"; then
2020 echo "#define always_inline" >> $TMPH
2021 echo "#define CONFIG_SMALL 1" >> $TMPH
2022 fi
2023
2024 echo "SRC_PATH=\"$source_path\"" >> config.mak
2025 echo "SRC_PATH_BARE=$source_path" >> config.mak
2026 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2027
2028 # Apparently it's not possible to portably echo a backslash.
2029 if enabled asmalign_pot; then
2030 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2031 else
2032 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2033 fi
2034
2035
2036 for part in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST; do
2037 ucname="`toupper $part`"
2038 config_name="CONFIG_$ucname"
2039 enabled_name="ENABLE_$ucname"
2040 if enabled $part; then
2041 echo "#define $config_name 1" >> $TMPH
2042 echo "#define $enabled_name 1" >> $TMPH
2043 echo "$config_name=yes" >> config.mak
2044 else
2045 echo "#define $enabled_name 0" >> $TMPH
2046 fi
2047 done
2048
2049 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2050 if ! cmp -s $TMPH config.h; then
2051 mv -f $TMPH config.h
2052 else
2053 echo "config.h is unchanged"
2054 fi
2055
2056 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2057
2058 # build tree in object directory if source path is different from current one
2059 if enabled source_path_used; then
2060 DIRS="\
2061 doc \
2062 libavformat \
2063 libavcodec \
2064 libavcodec/alpha \
2065 libavcodec/armv4l \
2066 libavcodec/bfin \
2067 libavcodec/i386 \
2068 libavcodec/sparc \
2069 libavcodec/mlib \
2070 libavcodec/ppc \
2071 libpostproc \
2072 libavutil \
2073 libswscale \
2074 tests \
2075 vhook \
2076 "
2077 FILES="\
2078 Makefile \
2079 common.mak \
2080 libavformat/Makefile \
2081 libavcodec/Makefile \
2082 libpostproc/Makefile \
2083 libavutil/Makefile \
2084 libswscale/Makefile \
2085 tests/Makefile \
2086 vhook/Makefile \
2087 doc/Makefile \
2088 doc/texi2pod.pl \
2089 "
2090 for dir in $DIRS ; do
2091 mkdir -p $dir
2092 done
2093 for f in $FILES ; do
2094 ln -sf "$source_path/$f" $f
2095 done
2096 fi
2097
2098
2099 # build pkg-config files
2100 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2101
2102 pkgconfig_generate(){
2103 name=$1
2104 comment=$2
2105 version=$3
2106 libs=$4
2107 requires=$5
2108 include=$6
2109 cat <<EOF >$name.pc
2110 prefix=$PREFIX
2111 exec_prefix=\${prefix}
2112 libdir=\${exec_prefix}/lib
2113 includedir=\${prefix}/include
2114
2115 Name: $name
2116 Description: $comment
2117 Version: $version
2118 Requires: $requires
2119 Conflicts:
2120 Libs: -L\${libdir} $libs
2121 Cflags: -I\${includedir} -I\${includedir}/$include
2122 EOF
2123 }
2124
2125 pkgconfig_generate_uninstalled(){
2126 name=$1
2127 shortname=${name#lib}
2128 comment=$2
2129 version=$3
2130 libs=$4
2131 requires=$5
2132 cat <<EOF >$name-uninstalled.pc
2133 prefix=
2134 exec_prefix=
2135 libdir=\${pcfiledir}/$name
2136 includedir=\${pcfiledir}/$name
2137
2138 Name: $name
2139 Description: $comment
2140 Version: $version
2141 Requires: $requires
2142 Conflicts:
2143 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2144 Cflags: -I\${includedir}
2145 EOF
2146 }
2147
2148 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2149 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2150
2151 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2152 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2153
2154 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2155 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2156
2157 if enabled pp; then
2158 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2159 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2160 fi
2161
2162 if enabled swscaler; then
2163 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2164 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2165 else
2166 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2167 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2168 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2169 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2170 fi