Fix get_str/get_str8() to also work if the target string is not long enough to
[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-pthreads use pthreads [default=no]"
75 echo " --enable-w32threads use Win32 threads [default=no]"
76 echo " --enable-x11grab enable X11 grabbing [default=no]"
77 echo
78 echo "External library support:"
79 echo " --enable-sunmlib use Sun medialib [default=no]"
80 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
81 echo " and libraw1394 [default=no]"
82 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
83 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
84 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
85 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
86 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
87 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
88 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
89 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
90 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
91 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
92 echo " --enable-libnut enable NUT (de)muxing via libnut,"
93 echo " native demuxer exists [default=no]"
94 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
95 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
96 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
97 echo " native implementations exist [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-audio-oss disable OSS audio support [default=no]"
124 echo " --disable-audio-beos disable BeOS audio support [default=no]"
125 echo " --disable-v4l disable video4linux grabbing [default=no]"
126 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
127 echo " --disable-bktr disable bktr video grabbing [default=no]"
128 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
129 echo " --disable-network disable network support [default=no]"
130 echo " --disable-ipv6 disable ipv6 support [default=no]"
131 echo " --disable-zlib disable zlib [default=no]"
132 echo " --disable-vhook disable video hooking support"
133 echo " --disable-debug disable debugging symbols"
134 echo " --disable-mpegaudio-hp faster (but less accurate)"
135 echo " MPEG audio decoding [default=no]"
136 echo " --disable-ffmpeg disable ffmpeg build"
137 echo " --disable-ffserver disable ffserver build"
138 echo " --disable-ffplay disable ffplay build"
139 echo " --enable-small optimize for size instead of speed"
140 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
141 echo " --disable-encoder=NAME disables encoder NAME"
142 echo " --enable-encoder=NAME enables encoder NAME"
143 echo " --disable-decoder=NAME disables decoder NAME"
144 echo " --enable-decoder=NAME enables decoder NAME"
145 echo " --disable-encoders disables all encoders"
146 echo " --disable-decoders disables all decoders"
147 echo " --disable-muxer=NAME disables muxer NAME"
148 echo " --enable-muxer=NAME enables muxer NAME"
149 echo " --disable-muxers disables all muxers"
150 echo " --disable-demuxer=NAME disables demuxer NAME"
151 echo " --enable-demuxer=NAME enables demuxer NAME"
152 echo " --disable-demuxers disables all demuxers"
153 echo " --enable-parser=NAME enables parser NAME"
154 echo " --disable-parser=NAME disables parser NAME"
155 echo " --disable-parsers disables all parsers"
156 echo " --enable-bsf=NAME enables bitstream filter NAME"
157 echo " --disable-bsf=NAME disables bitstream filter NAME"
158 echo " --disable-bsfs disables all bitstream filters"
159 echo " --enable-protocol=NAME enables protocol NAME"
160 echo " --disable-protocol=NAME disables protocol NAME"
161 echo " --disable-protocols disables all protocols"
162 echo " --list-decoders show all available decoders"
163 echo " --list-encoders show all available encoders"
164 echo " --list-muxers show all available muxers"
165 echo " --list-demuxers show all available demuxers"
166 echo " --list-parsers show all available parsers"
167 echo " --list-protocols show all available protocols"
168 echo " --list-bsfs show all available bitstream filters"
169 echo
170 echo "Developer options (useful when working on FFmpeg itself):"
171 echo " --enable-gprof enable profiling with gprof [$gprof]"
172 echo " --disable-opts disable compiler optimizations"
173 echo " --enable-extra-warnings enable more compiler warnings"
174 echo " --disable-strip disable stripping of executables and shared libraries"
175 echo ""
176 echo "NOTE: Object files are built at the place where configure is launched."
177 exit 1
178 }
179
180 log(){
181 echo "$@" >>$logfile
182 }
183
184 log_file(){
185 log BEGIN $1
186 cat -n $1 >>$logfile
187 log END $1
188 }
189
190 echolog(){
191 log "$@"
192 echo "$@"
193 }
194
195 die(){
196 echolog "$@"
197 cat <<EOF
198 If you think configure made a mistake, make sure you are using the latest
199 version from SVN. If the latest version fails, report the problem to the
200 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
201 EOF
202 if enabled logging; then
203 cat <<EOF
204 Include the log file "$logfile" produced by configure as this will help
205 solving the problem.
206 EOF
207 else
208 cat <<EOF
209 Rerun configure with logging enabled (do not use --log=no), and include the
210 log this produces with your report.
211 EOF
212 fi
213 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
214 exit 1
215 }
216
217 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
218 toupper(){
219 echo "$@" | tr '[a-z]' '[A-Z]'
220 }
221
222 tolower(){
223 echo "$@" | tr '[A-Z]' '[a-z]'
224 }
225
226 set_all(){
227 value=$1
228 shift
229 for var in $*; do
230 eval $var=$value
231 done
232 }
233
234 pushvar(){
235 for var in $*; do
236 eval level=\${${var}_level:=0}
237 eval ${var}_${level}="\$$var"
238 eval ${var}_level=$(($level+1))
239 done
240 }
241
242 popvar(){
243 for var in $*; do
244 eval level=\${${var}_level:-0}
245 test $level = 0 && continue
246 eval level=$(($level-1))
247 eval $var="\${${var}_${level}}"
248 eval ${var}_level=$level
249 eval unset ${var}_${level}
250 done
251 }
252
253 enable(){
254 set_all yes $*
255 }
256
257 disable(){
258 set_all no $*
259 }
260
261 enabled(){
262 eval test "x\$$1" = "xyes"
263 }
264
265 disabled(){
266 eval test "x\$$1" = "xno"
267 }
268
269 enabled_all(){
270 for opt; do
271 enabled $opt || return 1
272 done
273 }
274
275 disabled_all(){
276 for opt; do
277 disabled $opt || return 1
278 done
279 }
280
281 enabled_any(){
282 for opt; do
283 enabled $opt && return 0
284 done
285 }
286
287 disabled_any(){
288 for opt; do
289 disabled $opt && return 0
290 done
291 }
292
293 check_deps(){
294 for cfg; do
295 enabled ${cfg}_checking && die "Circular dependency for $cfg."
296 disabled ${cfg}_checking && continue
297 enable ${cfg}_checking
298
299 eval dep_all="\$${cfg}_deps"
300 eval dep_any="\$${cfg}_deps_any"
301
302 pushvar cfg dep_all dep_any
303 check_deps $dep_all $dep_any
304 popvar cfg dep_all dep_any
305
306 enabled_all $dep_all || disable $cfg
307 enabled_any $dep_any || disable $cfg
308
309 disable ${cfg}_checking
310 done
311 }
312
313 print_config(){
314 pfx=$1
315 header=$2
316 makefile=$3
317 shift 3
318 for cfg; do
319 ucname="`toupper $cfg`"
320 if enabled $cfg; then
321 echo "#define ${pfx}${ucname} 1" >> $header
322 echo "#define ENABLE_${ucname} 1" >> $header
323 echo "${pfx}${ucname}=yes" >> $makefile
324 else
325 echo "#define ENABLE_${ucname} 0" >> $header
326 fi
327 done
328 }
329
330 flags_saved(){
331 (: ${SAVE_CFLAGS?}) 2>/dev/null
332 }
333
334 save_flags(){
335 flags_saved && return
336 SAVE_CFLAGS="$CFLAGS"
337 SAVE_LDFLAGS="$LDFLAGS"
338 SAVE_extralibs="$extralibs"
339 }
340
341 restore_flags(){
342 flags_saved || return
343 CFLAGS="$SAVE_CFLAGS"
344 LDFLAGS="$SAVE_LDFLAGS"
345 extralibs="$SAVE_extralibs"
346 unset SAVE_CFLAGS
347 unset SAVE_LDFLAGS
348 unset SAVE_extralibs
349 }
350
351 temp_cflags(){
352 save_flags
353 CFLAGS="$CFLAGS $*"
354 }
355
356 temp_ldflags(){
357 save_flags
358 LDFLAGS="$LDFLAGS $*"
359 }
360
361 temp_extralibs(){
362 save_flags
363 extralibs="$extralibs $*"
364 }
365
366 append(){
367 var=$1
368 shift
369 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
370 eval "$var=\"\$$var $*\""
371 }
372
373 add_cflags(){
374 append CFLAGS "$@"
375 }
376
377 add_ldflags(){
378 append LDFLAGS "$@"
379 }
380
381 add_extralibs(){
382 append extralibs "$@"
383 }
384
385 check_cmd(){
386 log "$@"
387 "$@" >>$logfile 2>&1
388 }
389
390 check_cc(){
391 log check_cc "$@"
392 cat >$TMPC
393 log_file $TMPC
394 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
395 }
396
397 check_cpp(){
398 log check_cpp "$@"
399 cat >$TMPC
400 log_file $TMPC
401 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
402 }
403
404 check_ld(){
405 log check_ld "$@"
406 check_cc || return
407 flags=''
408 libs=''
409 for f; do
410 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
411 done
412 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
413 }
414
415 check_cflags(){
416 log check_cflags "$@"
417 check_cc "$@" <<EOF && add_cflags "$@"
418 int x;
419 EOF
420 }
421
422 check_ldflags(){
423 log check_ldflags "$@"
424 check_ld "$@" <<EOF && add_ldflags "$@"
425 int main(){
426 return 0;
427 }
428 EOF
429 }
430
431 check_header(){
432 log check_header "$@"
433 header=$1
434 shift
435 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
436 disable $var
437 check_cpp "$@" <<EOF && enable $var
438 #include <$header>
439 int x;
440 EOF
441 }
442
443 check_func(){
444 log check_func "$@"
445 func=$1
446 shift
447 disable $func
448 check_ld "$@" <<EOF && enable $func
449 extern int $func();
450 int main(){
451 $func();
452 }
453 EOF
454 }
455
456 check_func2(){
457 log check_func2 "$@"
458 headers=$1
459 func=$2
460 shift 2
461 disable $func
462 incs=""
463 for hdr in $headers; do
464 incs="$incs
465 #include <$hdr>"
466 done
467 check_ld "$@" <<EOF && enable $func
468 $incs
469 int main(){
470 (void) $func;
471 return 0;
472 }
473 EOF
474 }
475
476 check_lib(){
477 log check_lib "$@"
478 header="$1"
479 func="$2"
480 shift 2
481 temp_extralibs "$@"
482 check_header $header && check_func $func && add_extralibs "$@"
483 err=$?
484 restore_flags
485 return $err
486 }
487
488 check_lib2(){
489 log check_lib2 "$@"
490 headers="$1"
491 func="$2"
492 shift 2
493 temp_extralibs "$@"
494 check_func2 "$headers" $func && add_extralibs "$@"
495 err=$?
496 restore_flags
497 return $err
498 }
499
500 check_exec(){
501 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
502 }
503
504 check_exec_crash(){
505 code=`cat`
506
507 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
508 # are safe but may not be available everywhere. Thus we use
509 # raise(SIGTERM) instead. The check is run in a subshell so we
510 # can redirect the "Terminated" message from the shell. SIGBUS
511 # is not defined by standard C so it is used conditionally.
512
513 (check_exec "$@") >>$logfile 2>&1 <<EOF
514 #include <signal.h>
515 static void sighandler(int sig){
516 raise(SIGTERM);
517 }
518 int main(){
519 signal(SIGILL, sighandler);
520 signal(SIGFPE, sighandler);
521 signal(SIGSEGV, sighandler);
522 #ifdef SIGBUS
523 signal(SIGBUS, sighandler);
524 #endif
525 { $code }
526 }
527 EOF
528 }
529
530 require(){
531 name="$1"
532 header="$2"
533 func="$3"
534 shift 3
535 check_lib $header $func "$@" || die "ERROR: $name not found"
536 }
537
538 require2(){
539 name="$1"
540 headers="$2"
541 func="$3"
542 shift 3
543 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
544 }
545
546 check_foo_config(){
547 cfg=$1
548 pkg=$2
549 header=$3
550 func=$4
551 shift 4
552 disable $cfg
553 check_cmd ${pkg}-config --version
554 err=$?
555 if test "$err" = 0; then
556 temp_cflags `${pkg}-config --cflags`
557 temp_extralibs `${pkg}-config --libs`
558 check_lib "$@" $header $func && enable $cfg
559 fi
560 return $err
561 }
562
563 apply(){
564 file=$1
565 shift
566 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
567 }
568
569 CONFIG_LIST='
570 encoders
571 decoders
572 parsers
573 bsfs
574 muxers
575 demuxers
576 audio_beos
577 audio_oss
578 avisynth
579 beos_netserver
580 bktr
581 dc1394
582 dv1394
583 ffmpeg
584 ffplay
585 ffserver
586 gpl
587 gprof
588 ipv6
589 liba52
590 liba52bin
591 libamr
592 libamr_nb
593 libamr_wb
594 libfaac
595 libfaad
596 libfaadbin
597 libgsm
598 libmp3lame
599 libnut
600 libogg
601 libtheora
602 libvorbis
603 libx264
604 libxvid
605 memalign_hack
606 mpegaudio_hp
607 network
608 powerpc_perf
609 pp
610 protocols
611 small
612 swscaler
613 vhook
614 v4l
615 v4l2
616 x11grab
617 zlib
618 '
619
620 THREADS_LIST='
621 beosthreads
622 pthreads
623 w32threads
624 '
625
626 ARCH_LIST='
627 alpha
628 armv4l
629 bfin
630 ia64
631 m68k
632 mips
633 parisc
634 powerpc
635 s390
636 sh4
637 sparc
638 sparc64
639 x86
640 x86_32
641 x86_64
642 '
643
644 ARCH_EXT_LIST='
645 altivec
646 armv5te
647 armv6
648 iwmmxt
649 mmi
650 mmx
651 ssse3
652 '
653
654 HAVE_LIST="
655 $ARCH_EXT_LIST
656 $THREADS_LIST
657 altivec_h
658 arpa_inet_h
659 byteswap_h
660 cmov
661 conio_h
662 dcbzl
663 dev_bktr_ioctl_bt848_h
664 dev_bktr_ioctl_meteor_h
665 dev_ic_bt8xx_h
666 dev_video_meteor_ioctl_meteor_h
667 dev_video_bktr_ioctl_bt848_h
668 dlfcn_h
669 dlopen
670 ebp_available
671 ebx_available
672 fast_64bit
673 fast_cmov
674 fast_unaligned
675 fork
676 freetype2
677 GetProcessTimes
678 getrusage
679 imlib2
680 inet_aton
681 lrintf
682 machine_ioctl_bt848_h
683 machine_ioctl_meteor_h
684 malloc_h
685 memalign
686 mkstemp
687 mlib
688 ppc64
689 sdl
690 sdl_video_size
691 soundcard_h
692 sys_poll_h
693 sys_soundcard_h
694 termios_h
695 threads
696 "
697
698 CMDLINE_SELECT="
699 $ARCH_EXT_LIST
700 $CONFIG_LIST
701 $THREADS_LIST
702 debug
703 extra_warnings
704 shared
705 static
706 "
707
708 # code dependency declarations
709
710 # architecture extensions
711 altivec_deps="powerpc"
712 armv5te_deps="armv4l"
713 armv6_deps="armv4l"
714 iwmmxt_deps="armv4l"
715 mmi_deps="mips"
716 mmx_deps="x86"
717 ssse3_deps="x86"
718
719 # decoders / encoders
720 dxa_decoder_deps="zlib"
721 flashsv_decoder_deps="zlib"
722 flashsv_encoder_deps="zlib"
723 flv_decoder_deps="h263_decoder"
724 h263_decoder_deps="h263_parser mpeg4video_parser"
725 h263i_decoder_deps="h263_decoder"
726 h264_decoder_deps="h264_parser"
727 mpeg_xvmc_decoder_deps="xvmc"
728 mpeg4_decoder_deps="h263_decoder"
729 msmpeg4v1_decoder_deps="h263_decoder"
730 msmpeg4v2_decoder_deps="h263_decoder"
731 msmpeg4v3_decoder_deps="h263_decoder"
732 png_decoder_deps="zlib"
733 png_encoder_deps="zlib"
734 svq3_decoder_deps="h264_parser"
735 vc1_decoder_deps="h263_decoder"
736 wmv1_decoder_deps="h263_decoder"
737 wmv2_decoder_deps="h263_decoder"
738 wmv3_decoder_deps="h263_decoder"
739 zmbv_decoder_deps="zlib"
740 zmbv_encoder_deps="zlib"
741
742 # external libraries
743 mpeg4aac_decoder_deps="libfaad"
744 liba52_decoder_deps="liba52"
745 libamr_nb_decoder_deps="libamr_nb"
746 libamr_nb_encoder_deps="libamr_nb"
747 libamr_wb_decoder_deps="libamr_wb"
748 libamr_wb_encoder_deps="libamr_wb"
749 libfaac_encoder_deps="libfaac"
750 libfaad_decoder_deps="libfaad"
751 libgsm_decoder_deps="libgsm"
752 libgsm_encoder_deps="libgsm"
753 libgsm_ms_decoder_deps="libgsm"
754 libgsm_ms_encoder_deps="libgsm"
755 libmp3lame_encoder_deps="libmp3lame"
756 libtheora_encoder_deps="libtheora"
757 libvorbis_decoder_deps="libvorbis"
758 libvorbis_encoder_deps="libvorbis"
759 libx264_encoder_deps="libx264"
760 libxvid_encoder_deps="libxvid"
761
762 # demuxers / muxers
763 ac3_demuxer_deps="ac3_parser"
764 audio_demuxer_deps_any="audio_oss audio_beos"
765 audio_muxer_deps_any="audio_oss audio_beos"
766 dc1394_demuxer_deps="dc1394"
767 dv1394_demuxer_deps="dv1394"
768 libnut_demuxer_deps="libnut"
769 libnut_muxer_deps="libnut"
770 mp3_demuxer_deps="mpegaudio_parser"
771 ogg_muxer_deps="libogg"
772 redir_demuxer_deps="network"
773 rtp_muxer_deps="network mpegts_demuxer"
774 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
775 sdp_demuxer_deps="rtsp_demuxer"
776 v4l2_demuxer_deps="v4l2"
777 video_grab_bktr_demuxer_deps="bktr"
778 video_grab_v4l_demuxer_deps="v4l"
779 x11_grab_device_demuxer_deps="x11grab"
780
781 # protocols
782 http_protocol_deps="network"
783 rtp_protocol_deps="udp_protocol"
784 tcp_protocol_deps="network"
785 udp_protocol_deps="network"
786
787 # programs
788 ffplay_deps="sdl"
789 ffserver_deps="muxers rtp_protocol"
790
791
792 # set temporary file name
793 if test ! -z "$TMPDIR" ; then
794 TMPDIR1="${TMPDIR}"
795 elif test ! -z "$TEMPDIR" ; then
796 TMPDIR1="${TEMPDIR}"
797 else
798 TMPDIR1="/tmp"
799 fi
800
801 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
802 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
803 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
804 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
805 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
806
807 # default parameters
808
809 logging="yes"
810 logfile="config.err"
811
812 # installation paths
813 PREFIX="/usr/local"
814 libdir='$(PREFIX)/lib'
815 shlibdir="$libdir"
816 incdir='$(PREFIX)/include/ffmpeg'
817 mandir='$(PREFIX)/man'
818 bindir='$(PREFIX)/bin'
819
820 # toolchain
821 cross_prefix=""
822 cross_compile="no"
823 cc="gcc"
824 ar="ar"
825 ranlib="ranlib"
826 make="make"
827 strip="strip"
828 asmalign_pot="unknown"
829
830 # machine
831 arch=`uname -m`
832 cpu="generic"
833
834 # OS
835 targetos=$(tolower $(uname -s))
836
837 # non-library system interfaces
838 audio_oss="yes"
839 bktr="yes"
840 dv1394="yes"
841 v4l2="yes"
842 v4l="yes"
843
844 # libraries
845 zlib="yes"
846
847 # configurable options
848 debug="yes"
849 dostrip="yes"
850 ffmpeg="yes"
851 ffplay="yes"
852 ffserver="yes"
853 gpl="no"
854 ipv6="yes"
855 shared="no"
856 static="yes"
857 memalign_hack="no"
858 mpegaudio_hp="yes"
859 network="yes"
860 optimize="yes"
861 protocols="yes"
862 vhook="default"
863
864 # build settings
865 SHFLAGS='-shared -Wl,-soname,$@'
866 VHOOKSHFLAGS='$(SHFLAGS)'
867 LIBOBJFLAGS=""
868 FFLDFLAGS=
869 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
870 FFSERVERLDFLAGS=-Wl,-E
871 LDCONFIG="ldconfig"
872 LIBPREF="lib"
873 LIBSUF=".a"
874 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
875 SLIBPREF="lib"
876 SLIBSUF=".so"
877 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
878 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
879 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
880 EXESUF=""
881 BUILDSUF=""
882 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIB)"'
883
884 # find source path
885 source_path="`dirname \"$0\"`"
886 source_path_used="yes"
887 if test -z "$source_path" -o "$source_path" = "." ; then
888 source_path="`pwd`"
889 source_path_used="no"
890 else
891 source_path="`cd \"$source_path\"; pwd`"
892 echo "$source_path" | grep -q '[[:blank:]]' &&
893 die "Out of tree builds are impossible with whitespace in source path."
894 fi
895
896 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
897 show_help
898 fi
899
900 FFMPEG_CONFIGURATION="$@"
901
902 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
903 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
904 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
905 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
906 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
907 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
908 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
909
910 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
911 enable $ARCH_EXT_LIST
912
913 die_unknown(){
914 echo "Unknown option \"$1\"."
915 echo "See $0 --help for available options."
916 exit 1
917 }
918
919 show_list() {
920 for part in $*; do
921 echo $part | sed 's/_[^_]*$//'
922 done | sort
923 exit 0
924 }
925
926 for opt do
927 optval="${opt#*=}"
928 case "$opt" in
929 --log)
930 ;;
931 --log=*) logging="$optval"
932 ;;
933 --prefix=*) PREFIX="$optval"
934 ;;
935 --libdir=*) libdir="$optval"
936 ;;
937 --shlibdir=*) shlibdir="$optval"
938 ;;
939 --incdir=*) incdir="$optval"
940 ;;
941 --mandir=*) mandir="$optval"
942 ;;
943 --source-path=*) source_path="$optval"
944 ;;
945 --cross-prefix=*) cross_prefix="$optval"
946 ;;
947 --cross-compile) cross_compile="yes"
948 ;;
949 --target-os=*) targetos="$optval"
950 ;;
951 --cc=*) cc="$optval"
952 ;;
953 --make=*) make="$optval"
954 ;;
955 --extra-cflags=*) add_cflags "$optval"
956 ;;
957 --extra-ldflags=*) add_ldflags "$optval"
958 ;;
959 --extra-libs=*) add_extralibs "$optval"
960 ;;
961 --build-suffix=*) BUILDSUF="$optval"
962 ;;
963 --arch=*) arch="$optval"
964 ;;
965 --cpu=*) cpu="$optval"
966 ;;
967 --disable-opts) optimize="no"
968 ;;
969 --enable-sunmlib) mlib="yes"
970 ;;
971 --disable-strip) dostrip="no"
972 ;;
973 --disable-encoders) disable $ENCODER_LIST
974 ;;
975 --disable-decoders) disable $DECODER_LIST
976 ;;
977 --disable-muxers) disable $MUXER_LIST
978 ;;
979 --disable-demuxers) disable $DEMUXER_LIST
980 ;;
981 --disable-parsers) disable $PARSER_LIST
982 ;;
983 --disable-bsfs) disable $BSF_LIST
984 ;;
985 --disable-protocols) disable $PROTOCOL_LIST
986 ;;
987 --enable-*=*|--disable-*=*)
988 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
989 case "$thing" in
990 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
991 *) die_unknown "$opt" ;;
992 esac
993 ;;
994 --enable-?*|--disable-?*)
995 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
996 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
997 $action $option
998 ;;
999 --list-*)
1000 NAME="${opt#--list-}"
1001 NAME=$(toupper ${NAME%s})
1002 eval show_list \$${NAME}_LIST
1003 ;;
1004 --help) show_help
1005 ;;
1006 *)
1007 die_unknown $opt
1008 ;;
1009 esac
1010 done
1011
1012 case "$arch" in
1013 i386|i486|i586|i686|i86pc|BePC)
1014 arch="x86_32"
1015 enable fast_unaligned
1016 ;;
1017 x86_64|amd64)
1018 arch="x86_32"
1019 enable fast_unaligned
1020 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1021 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1022 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1023 arch="x86_64"
1024 enable fast_64bit
1025 fi
1026 fi
1027 ;;
1028 # armv4l is a subset of armv[567]*l
1029 arm|armv[4567]*l)
1030 arch="armv4l"
1031 ;;
1032 alpha)
1033 arch="alpha"
1034 enable fast_64bit
1035 ;;
1036 "Power Macintosh"|ppc|powerpc)
1037 arch="powerpc"
1038 ;;
1039 ppc64)
1040 arch="powerpc"
1041 enable fast_64bit
1042 ;;
1043 mips|mipsel|IP*)
1044 arch="mips"
1045 ;;
1046 sun4u|sparc64)
1047 arch="sparc64"
1048 enable fast_64bit
1049 ;;
1050 sparc)
1051 arch="sparc"
1052 ;;
1053 sh4)
1054 arch="sh4"
1055 ;;
1056 parisc)
1057 arch="parisc"
1058 ;;
1059 parisc64)
1060 arch="parisc"
1061 enable fast_64bit
1062 ;;
1063 s390|s390x)
1064 arch="s390"
1065 ;;
1066 m68k)
1067 arch="m68k"
1068 ;;
1069 ia64)
1070 arch="ia64"
1071 enable fast_64bit
1072 ;;
1073 bfin)
1074 arch="bfin"
1075 ;;
1076 *)
1077 arch="unknown"
1078 ;;
1079 esac
1080
1081 enable $arch
1082 enabled_any x86_32 x86_64 && enable x86
1083 enabled sparc64 && enable sparc
1084
1085 # OS specific
1086 osextralibs="-lm"
1087 case $targetos in
1088 beos|haiku|zeta)
1089 PREFIX="$HOME/config"
1090 # helps building libavcodec
1091 add_cflags "-DPIC -fomit-frame-pointer"
1092 # 3 gcc releases known for BeOS, each with ugly bugs
1093 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1094 case "$gcc_version" in
1095 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1096 mmx="no"
1097 ;;
1098 *20010315*) echo "BeBits gcc"
1099 add_cflags "-fno-expensive-optimizations"
1100 ;;
1101 esac
1102 LDCONFIG="echo ignoring ldconfig"
1103 SHFLAGS=-nostart
1104 # disable Linux things
1105 dv1394="no"
1106 # enable BeOS things
1107 disabled audio_beos || enable_audio_beos
1108 # no need for libm, but the inet stuff
1109 # Check for BONE
1110 # XXX: actually should check for NOT net_server
1111 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1112 osextralibs="-lbind -lsocket"
1113 else
1114 beos_netserver="yes"
1115 osextralibs="-lnet"
1116 fi ;;
1117 sunos)
1118 dv1394="no"
1119 FFLDFLAGS=""
1120 FFSERVERLDFLAGS=""
1121 SHFLAGS="-shared -Wl,-h,\$@"
1122 add_extralibs "-lsocket -lnsl"
1123 ;;
1124 netbsd)
1125 dv1394="no"
1126 add_extralibs "-lossaudio"
1127 ;;
1128 openbsd)
1129 dv1394="no"
1130 need_memalign="no"
1131 LIBOBJFLAGS="\$(PIC)"
1132 LDCONFIG="ldconfig -m \$(SHLIBDIR)"
1133 SHFLAGS='-shared'
1134 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1135 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1136 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1137 add_extralibs "-lossaudio"
1138 ;;
1139 freebsd)
1140 dv1394="no"
1141 need_memalign="no"
1142 add_cflags "-pthread"
1143 ;;
1144 gnu/kfreebsd)
1145 dv1394="no"
1146 add_cflags "-pthread"
1147 ;;
1148 bsd/os)
1149 dv1394="no"
1150 osextralibs="-lpoll -lgnugetopt -lm"
1151 strip="strip -d"
1152 ;;
1153 darwin)
1154 dv1394="no"
1155 need_memalign="no"
1156 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(SHLIBDIR)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1157 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1158 osextralibs=""
1159 strip="strip -x"
1160 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1161 SLIBSUF=".dylib"
1162 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1163 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1164 FFSERVERLDFLAGS=-Wl,-bind_at_load
1165 ;;
1166 mingw32*)
1167 targetos=mingw32
1168 shlibdir="$bindir"
1169 dv1394="no"
1170 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1171 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1172 ffserver="no"
1173 network="no"
1174 SLIBPREF=""
1175 SLIBSUF=".dll"
1176 EXESUF=".exe"
1177 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1178 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1179 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1180 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(SHLIBDIR)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1181 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1182 enabled network && add_extralibs -lws2_32
1183 ;;
1184 cygwin*)
1185 targetos=cygwin
1186 shlibdir="$bindir"
1187 dv1394="no"
1188 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1189 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1190 if enabled swscaler; then
1191 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1192 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1193 fi
1194 osextralibs=""
1195 EXESUF=".exe"
1196 SLIBPREF="cyg"
1197 SLIBSUF=".dll"
1198 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1199 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1200 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1201 ;;
1202 linux)
1203 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1204 ;;
1205 irix*)
1206 targetos=irix
1207 ranlib="echo ignoring ranlib"
1208 ;;
1209 *)
1210 targetos="${targetos}-UNKNOWN"
1211 ;;
1212 esac
1213
1214 add_extralibs $osextralibs
1215
1216 if ! disabled logging ; then
1217 enabled logging || logfile="$logging"
1218 echo "# $0 $@" >$logfile
1219 set >>$logfile
1220 else
1221 logfile=/dev/null
1222 fi
1223
1224 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1225 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1226
1227 test -n "$cross_prefix" && cross_compile=yes
1228 cc="${cross_prefix}${cc}"
1229 ar="${cross_prefix}${ar}"
1230 ranlib="${cross_prefix}${ranlib}"
1231 strip="${cross_prefix}${strip}"
1232
1233 # we need to build at least one lib type
1234 if disabled_all static shared; then
1235 cat <<EOF
1236 At least one library type must be built.
1237 Specify --enable-static to build the static libraries or --enable-shared to
1238 build the shared libraries as well. To only build the shared libraries specify
1239 --disable-static in addition to --enable-shared.
1240 EOF
1241 exit 1;
1242 fi
1243
1244 if disabled libogg; then
1245 enabled libtheora && die "libogg must be enabled to enable libtheora."
1246 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1247 fi
1248
1249 if enabled_any libfaad libfaadbin ; then
1250 if check_header faad.h; then
1251 check_cc << EOF
1252 #include <faad.h>
1253 #ifndef FAAD2_VERSION
1254 ok faad1
1255 #endif
1256 int main( void ) { return 0; }
1257 EOF
1258 test $? = 0 && enable libfaad2
1259 else
1260 die "FAAD test failed."
1261 fi
1262 fi
1263
1264
1265 if disabled gpl ; then
1266 die_gpl_disabled(){
1267 name=$1
1268 shift
1269 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1270 }
1271 die_gpl_disabled "The Postprocessing code" pp
1272 die_gpl_disabled "liba52" liba52
1273 die_gpl_disabled "libx264" libx264
1274 die_gpl_disabled "libxvidcore" libxvid
1275 die_gpl_disabled "FAAD2" libfaad2
1276 die_gpl_disabled "The X11 grabber" x11grab
1277 die_gpl_disabled "The software scaler" swscaler
1278 fi
1279
1280 check_deps $ARCH_EXT_LIST
1281
1282 test -z "$need_memalign" && need_memalign="$mmx"
1283
1284 #Darwin CC versions
1285 needmdynamicnopic="no"
1286 if test $targetos = darwin; then
1287 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1288 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1289 else
1290 add_cflags "-no-cpp-precomp -pipe"
1291 check_cflags "-force_cpusubtype_ALL"
1292 check_cflags "-Wno-sign-compare"
1293 disabled shared && needmdynamicnopic="yes"
1294 fi
1295 fi
1296 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1297
1298 disabled optimize || add_cflags -fomit-frame-pointer
1299
1300 # Add processor-specific flags
1301 if test $cpu != "generic"; then
1302 warn_altivec(){
1303 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1304 }
1305 case $cpu in
1306 601|ppc601|PowerPC601)
1307 add_cflags "-mcpu=601"
1308 warn_altivec enabled PPC601
1309 ;;
1310 603*|ppc603*|PowerPC603*)
1311 add_cflags "-mcpu=603"
1312 warn_altivec enabled PPC603
1313 ;;
1314 604*|ppc604*|PowerPC604*)
1315 add_cflags "-mcpu=604"
1316 warn_altivec enabled PPC604
1317 ;;
1318 G3|g3|75*|ppc75*|PowerPC75*)
1319 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1320 warn_altivec enabled PPC75x
1321 ;;
1322 G4|g4|745*|ppc745*|PowerPC745*)
1323 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1324 warn_altivec disabled PPC745x
1325 ;;
1326 74*|ppc74*|PowerPC74*)
1327 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1328 warn_altivec disabled PPC74xx
1329 ;;
1330 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1331 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1332 warn_altivec disabled PPC970
1333 enable ppc64
1334 ;;
1335 Cell|CELL|cell)
1336 add_cflags "-mcpu=cell"
1337 warn_altivec disabled Cell
1338 enable ppc64
1339 ;;
1340 # targets that do NOT support conditional mov (cmov)
1341 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1342 add_cflags "-march=$cpu"
1343 cmov="no"
1344 ;;
1345 # targets that do support conditional mov (cmov)
1346 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1347 add_cflags "-march=$cpu"
1348 cmov="yes"
1349 fast_cmov="yes"
1350 ;;
1351 # targets that do support conditional mov but on which it's slow
1352 pentium4|prescott|nocona)
1353 add_cflags "-march=$cpu"
1354 cmov="yes"
1355 fast_cmov="no"
1356 ;;
1357 sparc64)
1358 add_cflags "-mcpu=v9"
1359 ;;
1360 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1361 add_cflags "-mfdpic"
1362 add_ldflags "-mfdpic"
1363 ;;
1364 *)
1365 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1366 ;;
1367 esac
1368 fi
1369
1370 gnu_make(){
1371 $1 --version 2>&1 | grep -q GNU
1372 }
1373
1374 if ! gnu_make $make; then
1375 gnu_make gmake && make=gmake || die "GNU make not found."
1376 fi
1377
1378 # make sure we can execute files in $TMPDIR
1379 cat >$TMPE 2>>$logfile <<EOF
1380 #! /bin/sh
1381 EOF
1382 chmod +x $TMPE >>$logfile 2>&1
1383 if ! $TMPE >>$logfile 2>&1; then
1384 cat <<EOF
1385 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1386 variable to another directory and make sure that $TMPDIR1 is not mounted
1387 noexec.
1388 EOF
1389 die "Sanity test failed."
1390 fi
1391 rm $TMPE
1392
1393 # compiler sanity check
1394 check_exec <<EOF
1395 int main(){
1396 return 0;
1397 }
1398 EOF
1399 if test "$?" != 0; then
1400 echo "$cc is unable to create an executable file."
1401 if test -z "$cross_prefix" && disabled cross_compile ; then
1402 echo "If $cc is a cross-compiler, use the --cross-compile option."
1403 echo "Only do this if you know what cross compiling means."
1404 fi
1405 die "C compiler test failed."
1406 fi
1407
1408 if enabled x86; then
1409 # check whether EBP is available on x86
1410 # As 'i' is stored on the stack, this program will crash
1411 # if the base pointer is used to access it because the
1412 # base pointer is cleared in the inline assembly code.
1413 check_exec_crash <<EOF && enable ebp_available
1414 volatile int i=0;
1415 asm volatile (
1416 "xorl %%ebp, %%ebp"
1417 ::: "%ebp");
1418 return i;
1419 EOF
1420
1421 # check wether EBX is available on x86
1422 check_cc <<EOF && enable ebx_available
1423 int main(){
1424 asm volatile ("":::"%ebx");
1425 }
1426 EOF
1427
1428 # check whether binutils is new enough to compile SSSE3
1429 enabled ssse3 && check_cc <<EOF || disable ssse3
1430 int main(){
1431 asm volatile ("pabsw %xmm0, %xmm0");
1432 }
1433 EOF
1434 fi
1435
1436 # check for assembler specific support
1437
1438 if test $arch = "powerpc"; then
1439 check_cc <<EOF && dcbzl=yes
1440 int main(void) {
1441 register long zero = 0;
1442 char data[1024];
1443 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1444 return 0;
1445 }
1446 EOF
1447 fi
1448
1449 # check for SIMD availability
1450
1451 # AltiVec flags: The FSF version of GCC differs from the Apple version
1452 if enabled altivec; then
1453 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1454 add_cflags "-faltivec"
1455 else
1456 add_cflags "-maltivec -mabi=altivec"
1457 fi
1458
1459 check_header altivec.h
1460
1461 # check if our compiler supports Motorola AltiVec C API
1462 if enabled altivec_h; then
1463 inc_altivec_h="#include <altivec.h>"
1464 else
1465 inc_altivec_h=
1466 fi
1467 check_cc <<EOF || altivec=no
1468 $inc_altivec_h
1469 int main(void) {
1470 vector signed int v1, v2, v3;
1471 v1 = vec_add(v2,v3);
1472 return 0;
1473 }
1474 EOF
1475 fi
1476
1477 # check armv5te instructions support
1478 enabled armv5te && check_cc <<EOF || disable armv5te
1479 int main(void) {
1480 __asm__ __volatile__ ("qadd r0, r0, r0");
1481 }
1482 EOF
1483
1484 enabled armv6 && check_cc <<EOF || disable armv6
1485 int main(void) {
1486 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1487 }
1488 EOF
1489
1490 # check iwmmxt support
1491 enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1492 int main(void) {
1493 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1494 }
1495 EOF
1496
1497 # check if our compiler supports mmi
1498 enabled mmi && check_cc <<EOF || mmi="no"
1499 int main(void) {
1500 __asm__ ("lq \$2, 0(\$2)");
1501 return 0;
1502 }
1503 EOF
1504
1505 # ---
1506 # big/little-endian test
1507 if disabled cross_compile; then
1508 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1509 #include <inttypes.h>
1510 int main(int argc, char ** argv){
1511 volatile uint32_t i=0x01234567;
1512 return (*((uint8_t*)(&i))) == 0x67;
1513 }
1514 EOF
1515 else
1516 # programs cannot be launched if cross compiling, so make a static guess
1517 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1518 bigendian="yes"
1519 fi
1520 fi
1521
1522 # ---
1523 # check availability of some header files
1524
1525 check_header malloc.h
1526 check_func memalign
1527
1528 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1529 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1530 fi
1531
1532 check_header byteswap.h
1533
1534 check_func mkstemp
1535
1536 check_header termios.h
1537 check_header conio.h
1538
1539 check_header arpa/inet.h
1540
1541 check_func inet_aton
1542 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1543
1544 # ffserver uses poll(),
1545 # if it's not found we can emulate it using select().
1546 if enabled ffserver; then
1547 check_header sys/poll.h
1548 fi
1549
1550 # check for some common methods of building with pthread support
1551 # do this before the optional library checks as some of them require pthreads
1552 if enabled pthreads; then
1553 if check_func pthread_create; then
1554 :
1555 elif check_func pthread_create -pthread; then
1556 add_cflags -pthread
1557 add_ldflags -pthread
1558 elif check_func pthread_create -pthreads; then
1559 add_cflags -pthreads
1560 add_ldflags -pthreads
1561 elif ! check_lib pthread.h pthread_create -lpthread; then
1562 die "ERROR: can't find pthreads library"
1563 fi
1564 fi
1565
1566 for thread in $THREADS_LIST; do
1567 if enabled $thread; then
1568 if test -n "$thread_type"; then
1569 die "ERROR: Only one thread type must be selected."
1570 else
1571 thread_type="$thread"
1572 fi
1573 fi
1574 done
1575
1576 # test for lrintf in math.h
1577 check_exec <<EOF && lrintf=yes || lrintf=no
1578 #define _ISOC9X_SOURCE 1
1579 #include <math.h>
1580 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1581 EOF
1582
1583 enabled_any libamr_nb libamr_wb && enable libamr
1584
1585 # these are off by default, so fail if requested and not available
1586 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1587 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1588 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1589 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1590 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1591 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1592 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1593 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1594 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1595 enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1596 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1597 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1598 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1599 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1600 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1601 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1602
1603 _restrict=
1604 for restrict_keyword in restrict __restrict__ __restrict; do
1605 check_cc <<EOF && _restrict=$restrict_keyword && break
1606 void foo(char * $restrict_keyword p);
1607 EOF
1608 done
1609
1610 # dlopen/dlfcn.h probing
1611
1612 check_header dlfcn.h
1613
1614 if check_func dlopen; then
1615 ldl=
1616 elif check_func dlopen -ldl; then
1617 ldl=-ldl
1618 fi
1619
1620 check_func getrusage
1621 check_func2 windows.h GetProcessTimes
1622
1623 check_func fork
1624
1625 test "$vhook" = "default" && vhook="$dlopen"
1626
1627 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1628
1629 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1630 vhook="no"
1631 echo
1632 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1633 echo "Patches welcome."
1634 echo
1635 fi
1636
1637 if enabled vhook; then
1638 check_ldflags -rdynamic
1639 check_ldflags -export-dynamic
1640 fi
1641
1642 enabled audio_beos && add_extralibs "-lmedia -lbe"
1643
1644 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1645 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1646
1647 ##########################################
1648 # SDL check
1649
1650 sdl_too_old=no
1651 sdl=no
1652 SDL_CONFIG="${cross_prefix}sdl-config"
1653 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1654 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1655 temp_cflags $sdl_cflags
1656 temp_extralibs `"${SDL_CONFIG}" --libs`
1657 if check_lib SDL.h SDL_Init; then
1658 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1659 if test "$_sdlversion" -lt 121 ; then
1660 sdl_too_old=yes
1661 else
1662 sdl=yes
1663 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1664 #include <SDL.h>
1665 int main(void){
1666 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1667 int w = vi->current_w;
1668 return 0;
1669 }
1670 EOF
1671 fi
1672 fi
1673 restore_flags
1674 fi
1675
1676 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1677
1678 ##########################################
1679 # IPv6 check
1680
1681 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1682 #include <sys/types.h>
1683 #include <sys/socket.h>
1684 #include <netinet/in.h>
1685 #include <netdb.h>
1686 int main( void ) {
1687 struct sockaddr_storage saddr;
1688 struct ipv6_mreq mreq6;
1689 getaddrinfo(0,0,0,0);
1690 getnameinfo(0,0,0,0,0,0,0);
1691 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1692 }
1693 EOF
1694
1695 enabled v4l && check_header linux/videodev.h || disable v4l
1696 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1697
1698 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1699 if enabled bktr; then
1700 { check_header dev/bktr/ioctl_meteor.h &&
1701 check_header dev/bktr/ioctl_bt848.h; } ||
1702 { check_header machine/ioctl_meteor.h &&
1703 check_header machine/ioctl_bt848.h; } ||
1704 { check_header dev/video/meteor/ioctl_meteor.h &&
1705 check_header dev/video/bktr/ioctl_bt848.h; } ||
1706 check_header dev/ic/bt8xx.h ||
1707 disable bktr
1708 fi
1709
1710 enabled audio_oss &&
1711 check_header sys/soundcard.h ||
1712 check_header soundcard.h ||
1713 disable audio_oss
1714
1715 # Deal with the x11 frame grabber
1716 enabled x11grab &&
1717 enabled gpl &&
1718 enabled x11_grab_device_demuxer &&
1719 check_header X11/Xlib.h &&
1720 check_header X11/extensions/XShm.h &&
1721 check_func XOpenDisplay -lX11 &&
1722 check_func XShmCreateImage -lX11 -lXext &&
1723 add_extralibs -lX11 -lXext ||
1724 disable x11_grab_device_demuxer
1725
1726 enabled debug && add_cflags -g
1727
1728 # add some useful compiler flags if supported
1729 check_cflags -Wdeclaration-after-statement
1730 check_cflags -Wall
1731 check_cflags -Wno-switch
1732 check_cflags -Wdisabled-optimization
1733 check_cflags -Wpointer-arith
1734 check_cflags -Wredundant-decls
1735 check_cflags -Wno-pointer-sign
1736 enabled extra_warnings && check_cflags -Winline
1737
1738 # add some linker flags
1739 check_ldflags -Wl,--warn-common
1740 check_ldflags $LDLATEFLAGS
1741
1742 if enabled small; then
1743 check_cflags -Os # not all compilers support -Os
1744 optimize="small"
1745 elif enabled optimize; then
1746 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1747 add_cflags "-O5"
1748 add_ldflags "-O5"
1749 else
1750 add_cflags "-O3"
1751 fi
1752 fi
1753
1754 # PIC flags for shared library objects where they are needed
1755 if enabled shared; then
1756 # LIBOBJFLAGS may have already been set in the OS configuration
1757 if test -z "$LIBOBJFLAGS" ; then
1758 case "$arch" in
1759 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1760 esac
1761 fi
1762 fi
1763
1764 if enabled gprof; then
1765 add_cflags "-p"
1766 add_ldflags "-p"
1767 fi
1768
1769 VHOOKCFLAGS="-fPIC"
1770
1771 # find if .align arg is power-of-two or not
1772 if test $asmalign_pot = "unknown"; then
1773 asmalign_pot="no"
1774 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1775 fi
1776
1777 enabled_any $ENCODER_LIST && enable encoders
1778 enabled_any $DECODER_LIST && enable decoders
1779 enabled_any $MUXER_LIST && enable muxers
1780 enabled_any $DEMUXER_LIST && enable demuxers
1781 enabled_any $PROTOCOL_LIST && enable protocols
1782 enabled_any $BSF_LIST && enable bsfs
1783
1784 enabled_any $THREADS_LIST && enable threads
1785
1786 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1787 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1788
1789 enabled libogg && append pkg_requires "ogg >= 1.1"
1790 enabled libtheora && append pkg_requires "theora"
1791 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1792 enabled dc1394 && append pkg_requires "libraw1394"
1793
1794 echo "install prefix $PREFIX"
1795 echo "source path $source_path"
1796 echo "C compiler $cc"
1797 echo "make $make"
1798 echo ".align is power-of-two $asmalign_pot"
1799 echo "ARCH $arch ($cpu)"
1800 if test "$BUILDSUF" != ""; then
1801 echo "build suffix $BUILDSUF"
1802 fi
1803 echo "big-endian ${bigendian-no}"
1804 if test $arch = "x86_32" -o $arch = "x86_64"; then
1805 echo "MMX enabled ${mmx-no}"
1806 echo "CMOV enabled ${cmov-no}"
1807 echo "CMOV is fast ${fast_cmov-no}"
1808 fi
1809 if test $arch = "armv4l"; then
1810 echo "ARMv5TE enabled ${armv5te-no}"
1811 echo "ARMv6 enabled ${armv6-no}"
1812 echo "IWMMXT enabled ${iwmmxt-no}"
1813 fi
1814 if test $arch = "mips"; then
1815 echo "MMI enabled ${mmi-no}"
1816 fi
1817 if test $arch = "powerpc"; then
1818 echo "AltiVec enabled ${altivec-no}"
1819 echo "dcbzl available ${dcbzl-no}"
1820 fi
1821 echo "gprof enabled ${gprof-no}"
1822 echo "debug symbols ${debug-no}"
1823 echo "strip symbols ${dostrip-no}"
1824 echo "optimize ${optimize-no}"
1825 echo "static ${static-no}"
1826 echo "shared ${shared-no}"
1827 echo "postprocessing support ${pp-no}"
1828 echo "software scaler enabled ${swscaler-no}"
1829 echo "video hooking ${vhook-no}"
1830 if enabled vhook; then
1831 echo "Imlib2 support ${imlib2-no}"
1832 echo "FreeType support ${freetype2-no}"
1833 fi
1834 echo "network support ${network-no}"
1835 if enabled network; then
1836 echo "IPv6 support ${ipv6-no}"
1837 fi
1838 echo "threading support ${thread_type-no}"
1839 echo "SDL support ${sdl-no}"
1840 if enabled sdl_too_old; then
1841 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1842 fi
1843 echo "Sun medialib support ${mlib-no}"
1844 echo "AVISynth enabled ${avisynth-no}"
1845 echo "liba52 support ${liba52-no}"
1846 echo "liba52 dlopened ${liba52bin-no}"
1847 echo "libamr-nb support ${libamr_nb-no}"
1848 echo "libamr-wb support ${libamr_wb-no}"
1849 echo "libfaac enabled ${libfaac-no}"
1850 echo "libfaad enabled ${libfaad-no}"
1851 echo "libfaad dlopened ${libfaadbin-no}"
1852 echo "libgsm enabled ${libgsm-no}"
1853 echo "libmp3lame enabled ${libmp3lame-no}"
1854 echo "libnut enabled ${libnut-no}"
1855 echo "libogg enabled ${libogg-no}"
1856 echo "libtheora enabled ${libtheora-no}"
1857 echo "libvorbis enabled ${libvorbis-no}"
1858 echo "x264 enabled ${libx264-no}"
1859 echo "XviD enabled ${libxvid-no}"
1860 echo "zlib enabled ${zlib-no}"
1861 if disabled gpl; then
1862 echo "License: LGPL"
1863 else
1864 echo "License: GPL"
1865 fi
1866
1867 echo "Creating config.mak and config.h..."
1868
1869 echo "# Automatically generated by configure - do not modify!" > config.mak
1870 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1871 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1872
1873 echo "PREFIX=$PREFIX" >> config.mak
1874 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1875 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1876 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1877 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1878 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1879 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1880 echo "MAKE=$make" >> config.mak
1881 echo "CC=$cc" >> config.mak
1882 echo "AR=$ar" >> config.mak
1883 echo "RANLIB=$ranlib" >> config.mak
1884 if enabled dostrip; then
1885 echo "STRIP=$strip" >> config.mak
1886 else
1887 echo "STRIP=echo ignoring strip" >> config.mak
1888 fi
1889
1890 echo "OPTFLAGS=$CFLAGS" >> config.mak
1891 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1892 echo "LDFLAGS=$LDFLAGS" >> config.mak
1893 echo "LDCONFIG=$LDCONFIG" >> config.mak
1894 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1895 echo "SHFLAGS=$SHFLAGS" >> config.mak
1896 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1897 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1898 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1899 echo "BUILD_STATIC=$static" >> config.mak
1900 echo "BUILDSUF=$BUILDSUF" >> config.mak
1901 echo "LIBPREF=$LIBPREF" >> config.mak
1902 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1903 if enabled static; then
1904 echo "LIB=$LIB" >> config.mak
1905 else # Some Make complain if this variable does not exist.
1906 echo "LIB=" >> config.mak
1907 fi
1908 echo "SLIBPREF=$SLIBPREF" >> config.mak
1909 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1910 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1911
1912 if enabled bigendian; then
1913 echo "WORDS_BIGENDIAN=yes" >> config.mak
1914 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1915 fi
1916 if enabled mmx; then
1917 echo "#define __CPU__ 586" >> $TMPH
1918 fi
1919
1920 if enabled sdl; then
1921 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1922 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1923 fi
1924 if enabled texi2html; then
1925 echo "BUILD_DOC=yes" >> config.mak
1926 fi
1927
1928 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1929 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1930 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1931 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1932 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1933
1934
1935
1936 if enabled shared; then
1937 echo "BUILD_SHARED=yes" >> config.mak
1938 echo "PIC=-fPIC -DPIC" >> config.mak
1939 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1940 echo "SPPVERSION=$pp_version" >> config.mak
1941 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1942 echo "LAVCVERSION=$lavc_version" >> config.mak
1943 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1944 echo "LAVFVERSION=$lavf_version" >> config.mak
1945 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1946 echo "LAVUVERSION=$lavu_version" >> config.mak
1947 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1948 echo "SWSVERSION=$sws_version" >> config.mak
1949 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1950 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1951 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1952 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1953 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1954 fi
1955 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1956 echo "EXTRALIBS=$extralibs" >> config.mak
1957
1958 print_config ARCH_ $TMPH config.mak $ARCH_LIST
1959 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1960 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
1961 $DECODER_LIST \
1962 $ENCODER_LIST \
1963 $PARSER_LIST \
1964 $BSF_LIST \
1965 $DEMUXER_LIST \
1966 $MUXER_LIST \
1967 $PROTOCOL_LIST \
1968
1969 if test "$targetos" = darwin; then
1970 echo "#define CONFIG_DARWIN 1" >> $TMPH
1971 fi
1972
1973 echo "#define restrict $_restrict" >> $TMPH
1974
1975 if enabled small; then
1976 echo "#define always_inline" >> $TMPH
1977 fi
1978
1979 echo "SRC_PATH=\"$source_path\"" >> config.mak
1980 echo "SRC_PATH_BARE=$source_path" >> config.mak
1981 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1982
1983 # Apparently it's not possible to portably echo a backslash.
1984 if enabled asmalign_pot; then
1985 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1986 else
1987 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1988 fi
1989
1990
1991 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1992 if ! cmp -s $TMPH config.h; then
1993 mv -f $TMPH config.h
1994 else
1995 echo "config.h is unchanged"
1996 fi
1997
1998 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1999
2000 # build tree in object directory if source path is different from current one
2001 if enabled source_path_used; then
2002 DIRS="\
2003 doc \
2004 libavformat \
2005 libavcodec \
2006 libavcodec/alpha \
2007 libavcodec/armv4l \
2008 libavcodec/bfin \
2009 libavcodec/i386 \
2010 libavcodec/sparc \
2011 libavcodec/mlib \
2012 libavcodec/ppc \
2013 libpostproc \
2014 libavutil \
2015 libswscale \
2016 tests \
2017 tools \
2018 vhook \
2019 "
2020 FILES="\
2021 Makefile \
2022 common.mak \
2023 libavformat/Makefile \
2024 libavcodec/Makefile \
2025 libpostproc/Makefile \
2026 libavutil/Makefile \
2027 libswscale/Makefile \
2028 doc/texi2pod.pl \
2029 "
2030 for dir in $DIRS ; do
2031 mkdir -p $dir
2032 done
2033 for f in $FILES ; do
2034 ln -sf "$source_path/$f" $f
2035 done
2036 fi
2037
2038
2039 # build pkg-config files
2040 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2041
2042 pkgconfig_generate(){
2043 name=$1
2044 comment=$2
2045 version=$3
2046 libs=$4
2047 requires=$5
2048 include=$6
2049 cat <<EOF >$name.pc
2050 prefix=$PREFIX
2051 exec_prefix=\${prefix}
2052 libdir=\${exec_prefix}/lib
2053 includedir=\${prefix}/include
2054
2055 Name: $name
2056 Description: $comment
2057 Version: $version
2058 Requires: $requires
2059 Conflicts:
2060 Libs: -L\${libdir} $libs
2061 Cflags: -I\${includedir} -I\${includedir}/$include
2062 EOF
2063 }
2064
2065 pkgconfig_generate_uninstalled(){
2066 name=$1
2067 shortname=${name#lib}
2068 comment=$2
2069 version=$3
2070 libs=$4
2071 requires=$5
2072 cat <<EOF >$name-uninstalled.pc
2073 prefix=
2074 exec_prefix=
2075 libdir=\${pcfiledir}/$name
2076 includedir=\${pcfiledir}/$name
2077
2078 Name: $name
2079 Description: $comment
2080 Version: $version
2081 Requires: $requires
2082 Conflicts:
2083 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2084 Cflags: -I\${includedir}
2085 EOF
2086 }
2087
2088 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2089 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2090
2091 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2092 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2093
2094 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2095 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2096
2097 if enabled pp; then
2098 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2099 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2100 fi
2101
2102 if enabled swscaler; then
2103 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2104 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2105 else
2106 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2107 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2108 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2109 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2110 fi