c12eb2607fda0e62d2c9dc948c6deb0202764075
[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-libx264 enable H.264 encoding via x264 [default=no]"
100 echo " --enable-libxvid 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 ucname="`toupper $cfg`"
314 if enabled $cfg; then
315 echo "#define ${pfx}${ucname} 1" >> $header
316 echo "#define ENABLE_${ucname} 1" >> $header
317 echo "${pfx}${ucname}=yes" >> $makefile
318 else
319 echo "#define ENABLE_${ucname} 0" >> $header
320 fi
321 done
322 }
323
324 flags_saved(){
325 (: ${SAVE_CFLAGS?}) 2>/dev/null
326 }
327
328 save_flags(){
329 flags_saved && return
330 SAVE_CFLAGS="$CFLAGS"
331 SAVE_LDFLAGS="$LDFLAGS"
332 SAVE_extralibs="$extralibs"
333 }
334
335 restore_flags(){
336 flags_saved || return
337 CFLAGS="$SAVE_CFLAGS"
338 LDFLAGS="$SAVE_LDFLAGS"
339 extralibs="$SAVE_extralibs"
340 unset SAVE_CFLAGS
341 unset SAVE_LDFLAGS
342 unset SAVE_extralibs
343 }
344
345 temp_cflags(){
346 save_flags
347 CFLAGS="$CFLAGS $*"
348 }
349
350 temp_ldflags(){
351 save_flags
352 LDFLAGS="$LDFLAGS $*"
353 }
354
355 temp_extralibs(){
356 save_flags
357 extralibs="$extralibs $*"
358 }
359
360 append(){
361 var=$1
362 shift
363 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
364 eval "$var=\"\$$var $*\""
365 }
366
367 add_cflags(){
368 append CFLAGS "$@"
369 }
370
371 add_ldflags(){
372 append LDFLAGS "$@"
373 }
374
375 add_extralibs(){
376 append extralibs "$@"
377 }
378
379 check_cmd(){
380 log "$@"
381 "$@" >>$logfile 2>&1
382 }
383
384 check_cc(){
385 log check_cc "$@"
386 cat >$TMPC
387 log_file $TMPC
388 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
389 }
390
391 check_cpp(){
392 log check_cpp "$@"
393 cat >$TMPC
394 log_file $TMPC
395 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
396 }
397
398 check_ld(){
399 log check_ld "$@"
400 check_cc || return
401 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
402 }
403
404 check_cflags(){
405 log check_cflags "$@"
406 check_cc "$@" <<EOF && add_cflags "$@"
407 int x;
408 EOF
409 }
410
411 check_ldflags(){
412 log check_ldflags "$@"
413 check_ld "$@" <<EOF && add_ldflags "$@"
414 int main(){
415 return 0;
416 }
417 EOF
418 }
419
420 check_header(){
421 log check_header "$@"
422 header=$1
423 shift
424 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
425 disable $var
426 check_cpp "$@" <<EOF && enable $var
427 #include <$header>
428 int x;
429 EOF
430 }
431
432 check_func(){
433 log check_func "$@"
434 func=$1
435 shift
436 disable $func
437 check_ld "$@" <<EOF && enable $func
438 extern int $func();
439 int main(){
440 $func();
441 }
442 EOF
443 }
444
445 check_func2(){
446 log check_func2 "$@"
447 headers=$1
448 func=$2
449 shift 2
450 disable $func
451 incs=""
452 for hdr in $headers; do
453 incs="$incs
454 #include <$hdr>"
455 done
456 check_ld "$@" <<EOF && enable $func
457 $incs
458 int main(){
459 (void) $func;
460 return 0;
461 }
462 EOF
463 }
464
465 check_lib(){
466 log check_lib "$@"
467 header="$1"
468 func="$2"
469 shift 2
470 temp_extralibs "$@"
471 check_header $header && check_func $func && add_extralibs "$@"
472 err=$?
473 restore_flags
474 return $err
475 }
476
477 check_lib2(){
478 log check_lib2 "$@"
479 headers="$1"
480 func="$2"
481 shift 2
482 temp_extralibs "$@"
483 check_func2 "$headers" $func && add_extralibs "$@"
484 err=$?
485 restore_flags
486 return $err
487 }
488
489 check_exec(){
490 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
491 }
492
493 check_exec_crash(){
494 code=`cat`
495
496 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
497 # are safe but may not be available everywhere. Thus we use
498 # raise(SIGTERM) instead. The check is run in a subshell so we
499 # can redirect the "Terminated" message from the shell. SIGBUS
500 # is not defined by standard C so it is used conditionally.
501
502 (check_exec "$@") >>$logfile 2>&1 <<EOF
503 #include <signal.h>
504 static void sighandler(int sig){
505 raise(SIGTERM);
506 }
507 int main(){
508 signal(SIGILL, sighandler);
509 signal(SIGFPE, sighandler);
510 signal(SIGSEGV, sighandler);
511 #ifdef SIGBUS
512 signal(SIGBUS, sighandler);
513 #endif
514 { $code }
515 }
516 EOF
517 }
518
519 require(){
520 name="$1"
521 header="$2"
522 func="$3"
523 shift 3
524 check_lib $header $func "$@" || die "ERROR: $name not found"
525 }
526
527 require2(){
528 name="$1"
529 headers="$2"
530 func="$3"
531 shift 3
532 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
533 }
534
535 check_foo_config(){
536 cfg=$1
537 pkg=$2
538 header=$3
539 func=$4
540 shift 4
541 disable $cfg
542 check_cmd ${pkg}-config --version
543 err=$?
544 if test "$err" = 0; then
545 temp_cflags `${pkg}-config --cflags`
546 temp_extralibs `${pkg}-config --libs`
547 check_lib "$@" $header $func && enable $cfg
548 fi
549 return $err
550 }
551
552 apply(){
553 file=$1
554 shift
555 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
556 }
557
558 CONFIG_LIST='
559 encoders
560 decoders
561 parsers
562 bsfs
563 muxers
564 demuxers
565 audio_beos
566 audio_oss
567 avisynth
568 beos_netserver
569 bktr
570 dc1394
571 dv1394
572 ffmpeg
573 ffplay
574 ffserver
575 gpl
576 gprof
577 ipv6
578 liba52
579 liba52bin
580 libamr
581 libamr_nb
582 libamr_wb
583 libfaac
584 libfaad
585 libfaadbin
586 libgsm
587 libmp3lame
588 libnut
589 libogg
590 libtheora
591 libvorbis
592 libx264
593 libxvid
594 memalign_hack
595 mpegaudio_hp
596 network
597 powerpc_perf
598 pp
599 protocols
600 swscaler
601 vhook
602 v4l
603 v4l2
604 x11grab
605 zlib
606 '
607
608 THREADS_LIST='
609 beosthreads
610 os2threads
611 pthreads
612 w32threads
613 '
614
615 ARCH_LIST='
616 alpha
617 armv4l
618 bfin
619 ia64
620 m68k
621 mips
622 parisc
623 powerpc
624 s390
625 sh4
626 sparc
627 sparc64
628 x86
629 x86_32
630 x86_64
631 '
632
633 ARCH_EXT_LIST='
634 altivec
635 armv5te
636 armv6
637 iwmmxt
638 mmi
639 mmx
640 ssse3
641 '
642
643 HAVE_LIST="
644 $ARCH_EXT_LIST
645 $THREADS_LIST
646 altivec_h
647 arpa_inet_h
648 byteswap_h
649 cmov
650 dcbzl
651 dev_bktr_ioctl_bt848_h
652 dev_bktr_ioctl_meteor_h
653 dev_ic_bt8xx_h
654 dev_video_meteor_ioctl_meteor_h
655 dev_video_bktr_ioctl_bt848_h
656 dlfcn_h
657 dlopen
658 ebp_available
659 ebx_available
660 fast_64bit
661 fast_cmov
662 fast_unaligned
663 freetype2
664 imlib2
665 inet_aton
666 localtime_r
667 lrintf
668 machine_ioctl_bt848_h
669 machine_ioctl_meteor_h
670 malloc_h
671 memalign
672 mlib
673 os2
674 sdl
675 sdl_video_size
676 soundcard_h
677 sys_poll_h
678 sys_soundcard_h
679 threads
680 "
681
682 CMDLINE_SELECT="
683 $ARCH_EXT_LIST
684 $CONFIG_LIST
685 $THREADS_LIST
686 debug
687 extra_warnings
688 shared
689 static
690 "
691
692 # code dependency declarations
693
694 # architecture extensions
695 altivec_deps="powerpc"
696 armv5te_deps="armv4l"
697 armv6_deps="armv4l"
698 iwmmxt_deps="armv4l"
699 mmi_deps="mips"
700 mmx_deps="x86"
701 ssse3_deps="x86"
702
703 # decoders / encoders
704 dxa_decoder_deps="zlib"
705 flashsv_decoder_deps="zlib"
706 flashsv_encoder_deps="zlib"
707 flv_decoder_deps="h263_decoder"
708 h263_decoder_deps="h263_parser mpeg4video_parser"
709 h263i_decoder_deps="h263_decoder"
710 h264_decoder_deps="h264_parser"
711 mpeg_xvmc_decoder_deps="xvmc"
712 mpeg4_decoder_deps="h263_decoder"
713 msmpeg4v1_decoder_deps="h263_decoder"
714 msmpeg4v2_decoder_deps="h263_decoder"
715 msmpeg4v3_decoder_deps="h263_decoder"
716 png_decoder_deps="zlib"
717 png_encoder_deps="zlib"
718 vc1_decoder_deps="h263_decoder"
719 wmv1_decoder_deps="h263_decoder"
720 wmv2_decoder_deps="h263_decoder"
721 wmv3_decoder_deps="h263_decoder"
722 zmbv_decoder_deps="zlib"
723 zmbv_encoder_deps="zlib"
724
725 # external libraries
726 mpeg4aac_decoder_deps="libfaad"
727 liba52_decoder_deps="liba52"
728 libamr_nb_decoder_deps="libamr_nb"
729 libamr_nb_encoder_deps="libamr_nb"
730 libamr_wb_decoder_deps="libamr_wb"
731 libamr_wb_encoder_deps="libamr_wb"
732 libfaac_encoder_deps="libfaac"
733 libfaad_decoder_deps="libfaad"
734 libgsm_decoder_deps="libgsm"
735 libgsm_encoder_deps="libgsm"
736 libgsm_ms_decoder_deps="libgsm"
737 libgsm_ms_encoder_deps="libgsm"
738 libmp3lame_encoder_deps="libmp3lame"
739 libtheora_encoder_deps="libtheora"
740 libvorbis_decoder_deps="libvorbis"
741 libvorbis_encoder_deps="libvorbis"
742 libx264_encoder_deps="libx264"
743 libxvid_encoder_deps="libxvid"
744
745 # demuxers / muxers
746 ac3_demuxer_deps="ac3_parser"
747 audio_demuxer_deps_any="audio_oss audio_beos"
748 audio_muxer_deps_any="audio_oss audio_beos"
749 dc1394_demuxer_deps="dc1394"
750 dv1394_demuxer_deps="dv1394"
751 gxf_muxer_deps="gpl"
752 libnut_demuxer_deps="libnut"
753 libnut_muxer_deps="libnut"
754 mp3_demuxer_deps="mpegaudio_parser"
755 ogg_muxer_deps="libogg"
756 redir_demuxer_deps="network"
757 rtp_muxer_deps="network mpegts_demuxer"
758 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
759 sdp_demuxer_deps="rtsp_demuxer"
760 v4l2_demuxer_deps="v4l2"
761 video_grab_bktr_demuxer_deps="bktr"
762 video_grab_v4l_demuxer_deps="v4l"
763 x11_grab_device_demuxer_deps="x11grab"
764
765 # protocols
766 http_protocol_deps="network"
767 rtp_protocol_deps="udp_protocol"
768 tcp_protocol_deps="network"
769 udp_protocol_deps="network"
770
771 # programs
772 ffplay_deps="sdl"
773 ffserver_deps="muxers rtp_protocol"
774
775
776 # set temporary file name
777 if test ! -z "$TMPDIR" ; then
778 TMPDIR1="${TMPDIR}"
779 elif test ! -z "$TEMPDIR" ; then
780 TMPDIR1="${TEMPDIR}"
781 else
782 TMPDIR1="/tmp"
783 fi
784
785 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
786 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
787 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
788 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
789 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
790
791 # default parameters
792
793 logging="yes"
794 logfile="config.err"
795
796 # installation paths
797 PREFIX="/usr/local"
798 libdir='${PREFIX}/lib'
799 shlibdir="$libdir"
800 incdir='${PREFIX}/include/ffmpeg'
801 mandir='${PREFIX}/man'
802 bindir='${PREFIX}/bin'
803
804 # toolchain
805 cross_prefix=""
806 cross_compile="no"
807 cc="gcc"
808 ar="ar"
809 ranlib="ranlib"
810 make="make"
811 strip="strip"
812 asmalign_pot="unknown"
813
814 # machine
815 arch=`uname -m`
816 cpu="generic"
817
818 # OS
819 targetos=$(tolower $(uname -s))
820
821 # non-library system interfaces
822 audio_oss="yes"
823 bktr="yes"
824 dv1394="yes"
825 v4l2="yes"
826 v4l="yes"
827
828 # libraries
829 zlib="yes"
830
831 # configurable options
832 debug="yes"
833 dostrip="yes"
834 ffmpeg="yes"
835 ffplay="yes"
836 ffserver="yes"
837 gpl="no"
838 ipv6="yes"
839 shared="no"
840 static="yes"
841 memalign_hack="no"
842 mpegaudio_hp="yes"
843 network="yes"
844 optimize="yes"
845 protocols="yes"
846 vhook="default"
847
848 # build settings
849 SHFLAGS='-shared -Wl,-soname,$@'
850 VHOOKSHFLAGS='$(SHFLAGS)'
851 LIBOBJFLAGS=""
852 FFLDFLAGS=
853 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
854 FFSERVERLDFLAGS=-Wl,-E
855 LDCONFIG="ldconfig"
856 LIBPREF="lib"
857 LIBSUF=".a"
858 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
859 SLIBPREF="lib"
860 SLIBSUF=".so"
861 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
862 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
863 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
864 EXESUF=""
865 BUILDSUF=""
866 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
867
868 # find source path
869 source_path="`dirname \"$0\"`"
870 source_path_used="yes"
871 if test -z "$source_path" -o "$source_path" = "." ; then
872 source_path="`pwd`"
873 source_path_used="no"
874 else
875 source_path="`cd \"$source_path\"; pwd`"
876 echo "$source_path" | grep -q '[[:blank:]]' &&
877 die "Out of tree builds are impossible with whitespace in source path."
878 fi
879
880 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
881 show_help
882 fi
883
884 FFMPEG_CONFIGURATION="$@"
885
886 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
887 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
888 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
889 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
890 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
891 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
892 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
893
894 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
895
896 die_unknown(){
897 echo "Unknown option \"$1\"."
898 echo "See $0 --help for available options."
899 exit 1
900 }
901
902 for opt do
903 optval="${opt#*=}"
904 case "$opt" in
905 --log)
906 ;;
907 --log=*) logging="$optval"
908 ;;
909 --prefix=*) PREFIX="$optval"
910 ;;
911 --libdir=*) libdir="$optval"
912 ;;
913 --shlibdir=*) shlibdir="$optval"
914 ;;
915 --incdir=*) incdir="$optval"
916 ;;
917 --mandir=*) mandir="$optval"
918 ;;
919 --source-path=*) source_path="$optval"
920 ;;
921 --cross-prefix=*) cross_prefix="$optval"
922 ;;
923 --cross-compile) cross_compile="yes"
924 ;;
925 --target-os=*) targetos="$optval"
926 ;;
927 --cc=*) cc="$optval"
928 ;;
929 --make=*) make="$optval"
930 ;;
931 --extra-cflags=*) add_cflags "$optval"
932 ;;
933 --extra-ldflags=*) add_ldflags "$optval"
934 ;;
935 --extra-libs=*) add_extralibs "$optval"
936 ;;
937 --build-suffix=*) BUILDSUF="$optval"
938 ;;
939 --arch=*) arch="$optval"
940 ;;
941 --cpu=*) cpu="$optval"
942 ;;
943 --disable-opts) optimize="no"
944 ;;
945 --enable-small) optimize="small"
946 ;;
947 --enable-sunmlib) mlib="yes"
948 ;;
949 --disable-strip) dostrip="no"
950 ;;
951 --disable-encoders) disable $ENCODER_LIST
952 ;;
953 --disable-decoders) disable $DECODER_LIST
954 ;;
955 --disable-muxers) disable $MUXER_LIST
956 ;;
957 --disable-demuxers) disable $DEMUXER_LIST
958 ;;
959 --disable-parsers) disable $PARSER_LIST
960 ;;
961 --disable-bsfs) disable $BSF_LIST
962 ;;
963 --disable-protocols) disable $PROTOCOL_LIST
964 ;;
965 --enable-*=*|--disable-*=*)
966 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
967 case "$thing" in
968 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
969 *) die_unknown "$opt" ;;
970 esac
971 ;;
972 --enable-?*|--disable-?*)
973 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
974 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
975 $action $option
976 ;;
977 --help) show_help
978 ;;
979 *)
980 die_unknown $opt
981 ;;
982 esac
983 done
984
985 case "$arch" in
986 i386|i486|i586|i686|i86pc|BePC)
987 arch="x86_32"
988 enable fast_unaligned
989 ;;
990 x86_64|amd64)
991 arch="x86_32"
992 enable fast_unaligned
993 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
994 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
995 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
996 arch="x86_64"
997 enable fast_64bit
998 fi
999 fi
1000 ;;
1001 # armv4l is a subset of armv[567]*l
1002 arm|armv[4567]*l)
1003 arch="armv4l"
1004 ;;
1005 alpha)
1006 arch="alpha"
1007 enable fast_64bit
1008 ;;
1009 "Power Macintosh"|ppc|powerpc)
1010 arch="powerpc"
1011 ;;
1012 ppc64)
1013 arch="powerpc"
1014 enable fast_64bit
1015 ;;
1016 mips|mipsel|IP*)
1017 arch="mips"
1018 ;;
1019 sun4u|sparc64)
1020 arch="sparc64"
1021 enable fast_64bit
1022 ;;
1023 sparc)
1024 arch="sparc"
1025 ;;
1026 sh4)
1027 arch="sh4"
1028 ;;
1029 parisc)
1030 arch="parisc"
1031 ;;
1032 parisc64)
1033 arch="parisc"
1034 enable fast_64bit
1035 ;;
1036 s390|s390x)
1037 arch="s390"
1038 ;;
1039 m68k)
1040 arch="m68k"
1041 ;;
1042 ia64)
1043 arch="ia64"
1044 enable fast_64bit
1045 ;;
1046 bfin)
1047 arch="bfin"
1048 ;;
1049 *)
1050 arch="unknown"
1051 ;;
1052 esac
1053
1054 enable $arch
1055 enabled_any x86_32 x86_64 && enable x86
1056 enabled sparc64 && enable sparc
1057
1058 # OS specific
1059 osextralibs="-lm"
1060 case $targetos in
1061 beos|haiku|zeta)
1062 PREFIX="$HOME/config"
1063 # helps building libavcodec
1064 add_cflags "-DPIC -fomit-frame-pointer"
1065 # 3 gcc releases known for BeOS, each with ugly bugs
1066 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1067 case "$gcc_version" in
1068 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1069 mmx="no"
1070 ;;
1071 *20010315*) echo "BeBits gcc"
1072 add_cflags "-fno-expensive-optimizations"
1073 ;;
1074 esac
1075 LDCONFIG="echo ignoring ldconfig"
1076 SHFLAGS=-nostart
1077 # disable Linux things
1078 dv1394="no"
1079 # enable BeOS things
1080 disabled audio_beos || enable_audio_beos
1081 # no need for libm, but the inet stuff
1082 # Check for BONE
1083 # XXX: actually should check for NOT net_server
1084 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1085 osextralibs="-lbind -lsocket"
1086 else
1087 beos_netserver="yes"
1088 osextralibs="-lnet"
1089 fi ;;
1090 sunos)
1091 dv1394="no"
1092 FFLDFLAGS=""
1093 FFSERVERLDFLAGS=""
1094 SHFLAGS="-shared -Wl,-h,\$@"
1095 add_extralibs "-lsocket -lnsl"
1096 ;;
1097 netbsd)
1098 dv1394="no"
1099 add_extralibs "-lossaudio"
1100 ;;
1101 openbsd)
1102 dv1394="no"
1103 need_memalign="no"
1104 LIBOBJFLAGS="\$(PIC)"
1105 LDCONFIG="ldconfig -m \$(shlibdir)"
1106 SHFLAGS='-shared'
1107 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1108 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1109 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1110 add_extralibs "-lossaudio"
1111 ;;
1112 freebsd)
1113 dv1394="no"
1114 need_memalign="no"
1115 add_cflags "-pthread"
1116 ;;
1117 gnu/kfreebsd)
1118 dv1394="no"
1119 add_cflags "-pthread"
1120 ;;
1121 bsd/os)
1122 dv1394="no"
1123 osextralibs="-lpoll -lgnugetopt -lm"
1124 strip="strip -d"
1125 ;;
1126 darwin)
1127 dv1394="no"
1128 need_memalign="no"
1129 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1130 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1131 osextralibs=""
1132 strip="strip -x"
1133 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1134 SLIBSUF=".dylib"
1135 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1136 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1137 FFSERVERLDFLAGS=-Wl,-bind_at_load
1138 ;;
1139 mingw32*)
1140 targetos=mingw32
1141 shlibdir="$bindir"
1142 dv1394="no"
1143 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1144 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1145 ffserver="no"
1146 network="no"
1147 SLIBPREF=""
1148 SLIBSUF=".dll"
1149 EXESUF=".exe"
1150 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1151 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1152 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1153 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1154 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1155 enabled network && add_extralibs -lws2_32
1156 ;;
1157 cygwin*)
1158 targetos=cygwin
1159 shlibdir="$bindir"
1160 dv1394="no"
1161 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1162 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1163 osextralibs=""
1164 EXESUF=".exe"
1165 SLIBPREF="cyg"
1166 SLIBSUF=".dll"
1167 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1168 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1169 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1170 ;;
1171 linux)
1172 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1173 ;;
1174 irix*)
1175 targetos=irix
1176 ranlib="echo ignoring ranlib"
1177 ;;
1178 os/2)
1179 TMPE=$TMPE".exe"
1180 ar="emxomfar -p128"
1181 ranlib="echo ignoring ranlib"
1182 strip="echo ignoring strip"
1183 add_cflags "-Zomf"
1184 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1185 SHFLAGS="-Zdll -Zomf"
1186 FFSERVERLDFLAGS=""
1187 LIBPREF=""
1188 LIBSUF=".lib"
1189 SLIBPREF=""
1190 SLIBSUF=".dll"
1191 EXESUF=".exe"
1192 osextralibs=""
1193 pkg_requires=""
1194 dv1394="no"
1195 ffserver="no"
1196 vhook="no"
1197 os2="yes"
1198 ;;
1199 *)
1200 targetos="${targetos}-UNKNOWN"
1201 ;;
1202 esac
1203
1204 add_extralibs $osextralibs
1205
1206 if ! disabled logging ; then
1207 enabled logging || logfile="$logging"
1208 echo "# $0 $@" >$logfile
1209 set >>$logfile
1210 else
1211 logfile=/dev/null
1212 fi
1213
1214 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1215 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1216
1217 test -n "$cross_prefix" && cross_compile=yes
1218 cc="${cross_prefix}${cc}"
1219 ar="${cross_prefix}${ar}"
1220 ranlib="${cross_prefix}${ranlib}"
1221 strip="${cross_prefix}${strip}"
1222
1223 # we need to build at least one lib type
1224 if disabled_all static shared; then
1225 cat <<EOF
1226 At least one library type must be built.
1227 Specify --enable-static to build the static libraries or --enable-shared to
1228 build the shared libraries as well. To only build the shared libraries specify
1229 --disable-static in addition to --enable-shared.
1230 EOF
1231 exit 1;
1232 fi
1233
1234 if disabled libogg; then
1235 enabled libtheora && die "libogg must be enabled to enable libtheora."
1236 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1237 fi
1238
1239 if enabled_any libfaad libfaadbin ; then
1240 if check_header faad.h; then
1241 check_cc << EOF
1242 #include <faad.h>
1243 #ifndef FAAD2_VERSION
1244 ok faad1
1245 #endif
1246 int main( void ) { return 0; }
1247 EOF
1248 test $? = 0 && enable libfaad2
1249 else
1250 die "FAAD test failed."
1251 fi
1252 fi
1253
1254
1255 if disabled gpl ; then
1256 die_gpl_disabled(){
1257 name=$1
1258 shift
1259 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1260 }
1261 die_gpl_disabled "The Postprocessing code" pp
1262 die_gpl_disabled "liba52" liba52
1263 die_gpl_disabled "libx264" libx264
1264 die_gpl_disabled "libxvidcore" libxvid
1265 die_gpl_disabled "FAAD2" libfaad2
1266 die_gpl_disabled "The X11 grabber" x11grab
1267 die_gpl_disabled "The software scaler" swscaler
1268 fi
1269
1270 enable $ARCH_EXT_LIST
1271 check_deps $ARCH_EXT_LIST
1272
1273 test -z "$need_memalign" && need_memalign="$mmx"
1274
1275 #Darwin CC versions
1276 needmdynamicnopic="no"
1277 if test $targetos = darwin; then
1278 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1279 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1280 else
1281 add_cflags "-no-cpp-precomp -pipe"
1282 check_cflags "-force_cpusubtype_ALL"
1283 check_cflags "-Wno-sign-compare"
1284 disabled shared && needmdynamicnopic="yes"
1285 fi
1286 fi
1287 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1288
1289 disabled optimize || add_cflags -fomit-frame-pointer
1290
1291 # Add processor-specific flags
1292 POWERPCMODE="32bits"
1293 if test $cpu != "generic"; then
1294 warn_altivec(){
1295 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1296 }
1297 case $cpu in
1298 601|ppc601|PowerPC601)
1299 add_cflags "-mcpu=601"
1300 warn_altivec enabled PPC601
1301 ;;
1302 603*|ppc603*|PowerPC603*)
1303 add_cflags "-mcpu=603"
1304 warn_altivec enabled PPC603
1305 ;;
1306 604*|ppc604*|PowerPC604*)
1307 add_cflags "-mcpu=604"
1308 warn_altivec enabled PPC604
1309 ;;
1310 G3|g3|75*|ppc75*|PowerPC75*)
1311 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1312 warn_altivec enabled PPC75x
1313 ;;
1314 G4|g4|745*|ppc745*|PowerPC745*)
1315 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1316 warn_altivec disabled PPC745x
1317 ;;
1318 74*|ppc74*|PowerPC74*)
1319 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1320 warn_altivec disabled PPC74xx
1321 ;;
1322 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1323 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1324 warn_altivec disabled PPC970
1325 POWERPCMODE="64bits"
1326 ;;
1327 Cell|CELL|cell)
1328 add_cflags "-mcpu=cell"
1329 warn_altivec disabled Cell
1330 POWERPCMODE="64bits"
1331 ;;
1332 # targets that do NOT support conditional mov (cmov)
1333 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1334 add_cflags "-march=$cpu"
1335 cmov="no"
1336 ;;
1337 # targets that do support conditional mov (cmov)
1338 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1339 add_cflags "-march=$cpu"
1340 cmov="yes"
1341 fast_cmov="yes"
1342 ;;
1343 # targets that do support conditional mov but on which it's slow
1344 pentium4|prescott|nocona)
1345 add_cflags "-march=$cpu"
1346 cmov="yes"
1347 fast_cmov="no"
1348 ;;
1349 sparc64)
1350 add_cflags "-mcpu=v9"
1351 ;;
1352 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1353 add_cflags "-mfdpic"
1354 add_ldflags "-mfdpic"
1355 ;;
1356 *)
1357 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1358 ;;
1359 esac
1360 fi
1361
1362 gnu_make(){
1363 $1 --version 2>&1 | grep -q GNU
1364 }
1365
1366 if ! gnu_make $make; then
1367 gnu_make gmake && make=gmake || die "GNU make not found."
1368 fi
1369
1370 # make sure we can execute files in $TMPDIR
1371 cat >$TMPE 2>>$logfile <<EOF
1372 #! /bin/sh
1373 EOF
1374 chmod +x $TMPE >>$logfile 2>&1
1375 if ! $TMPE >>$logfile 2>&1; then
1376 cat <<EOF
1377 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1378 variable to another directory and make sure that $TMPDIR1 is not mounted
1379 noexec.
1380 EOF
1381 die "Sanity test failed."
1382 fi
1383 rm $TMPE
1384
1385 # compiler sanity check
1386 check_exec <<EOF
1387 int main(){
1388 return 0;
1389 }
1390 EOF
1391 if test "$?" != 0; then
1392 echo "$cc is unable to create an executable file."
1393 if test -z "$cross_prefix" && disabled cross_compile ; then
1394 echo "If $cc is a cross-compiler, use the --cross-compile option."
1395 echo "Only do this if you know what cross compiling means."
1396 fi
1397 die "C compiler test failed."
1398 fi
1399
1400 if enabled x86; then
1401 # check whether EBP is available on x86
1402 # As 'i' is stored on the stack, this program will crash
1403 # if the base pointer is used to access it because the
1404 # base pointer is cleared in the inline assembly code.
1405 check_exec_crash <<EOF && enable ebp_available
1406 volatile int i=0;
1407 asm volatile (
1408 "xorl %%ebp, %%ebp"
1409 ::: "%ebp");
1410 return i;
1411 EOF
1412
1413 # check wether EBX is available on x86
1414 check_cc <<EOF && enable ebx_available
1415 int main(){
1416 asm volatile ("":::"%ebx");
1417 }
1418 EOF
1419
1420 # check whether binutils is new enough to compile SSSE3
1421 enabled ssse3 && check_cc <<EOF || disable ssse3
1422 int main(){
1423 asm volatile ("pabsw %xmm0, %xmm0");
1424 }
1425 EOF
1426 fi
1427
1428 # check for assembler specific support
1429
1430 if test $arch = "powerpc"; then
1431 check_cc <<EOF && dcbzl=yes
1432 int main(void) {
1433 register long zero = 0;
1434 char data[1024];
1435 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1436 return 0;
1437 }
1438 EOF
1439 fi
1440
1441 # check for SIMD availability
1442
1443 # AltiVec flags: The FSF version of GCC differs from the Apple version
1444 if enabled altivec; then
1445 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1446 add_cflags "-faltivec"
1447 else
1448 add_cflags "-maltivec -mabi=altivec"
1449 fi
1450
1451 check_header altivec.h
1452
1453 # check if our compiler supports Motorola AltiVec C API
1454 if enabled altivec_h; then
1455 inc_altivec_h="#include <altivec.h>"
1456 else
1457 inc_altivec_h=
1458 fi
1459 check_cc <<EOF || altivec=no
1460 $inc_altivec_h
1461 int main(void) {
1462 vector signed int v1, v2, v3;
1463 v1 = vec_add(v2,v3);
1464 return 0;
1465 }
1466 EOF
1467 fi
1468
1469 # check armv5te instructions support
1470 enabled armv5te && check_cc <<EOF || disable armv5te
1471 int main(void) {
1472 __asm__ __volatile__ ("qadd r0, r0, r0");
1473 }
1474 EOF
1475
1476 enabled armv6 && check_cc <<EOF || disable armv6
1477 int main(void) {
1478 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1479 }
1480 EOF
1481
1482 # check iwmmxt support
1483 enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1484 int main(void) {
1485 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1486 }
1487 EOF
1488
1489 # check if our compiler supports mmi
1490 enabled mmi && check_cc <<EOF || mmi="no"
1491 int main(void) {
1492 __asm__ ("lq \$2, 0(\$2)");
1493 return 0;
1494 }
1495 EOF
1496
1497 # ---
1498 # big/little-endian test
1499 if disabled cross_compile; then
1500 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1501 #include <inttypes.h>
1502 int main(int argc, char ** argv){
1503 volatile uint32_t i=0x01234567;
1504 return (*((uint8_t*)(&i))) == 0x67;
1505 }
1506 EOF
1507 else
1508 # programs cannot be launched if cross compiling, so make a static guess
1509 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1510 bigendian="yes"
1511 fi
1512 fi
1513
1514 # ---
1515 # check availability of some header files
1516
1517 check_header malloc.h
1518 check_func memalign
1519
1520 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1521 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1522 fi
1523
1524 check_header byteswap.h
1525
1526 check_header arpa/inet.h
1527
1528 check_func inet_aton
1529 check_func localtime_r
1530 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1531
1532 # ffserver uses poll(),
1533 # if it's not found we can emulate it using select().
1534 if enabled ffserver; then
1535 check_header sys/poll.h
1536 fi
1537
1538 # check for some common methods of building with pthread support
1539 # do this before the optional library checks as some of them require pthreads
1540 if enabled pthreads; then
1541 if check_func pthread_create; then
1542 :
1543 elif check_func pthread_create -pthread; then
1544 add_cflags -pthread
1545 add_ldflags -pthread
1546 elif check_func pthread_create -pthreads; then
1547 add_cflags -pthreads
1548 add_ldflags -pthreads
1549 elif ! check_lib pthread.h pthread_create -lpthread; then
1550 die "ERROR: can't find pthreads library"
1551 fi
1552 fi
1553
1554 for thread in $THREADS_LIST; do
1555 if enabled $thread; then
1556 if ! disabled thread_type ; then
1557 die "ERROR: Only one thread type must be selected."
1558 else
1559 thread_type="$thread"
1560 fi
1561 fi
1562 done
1563
1564 enabled_any libamr_nb libamr_wb && enable libamr
1565
1566 # these are off by default, so fail if requested and not available
1567 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1568 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1569 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1570 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1571 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1572 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1573 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1574 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1575 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1576 enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1577 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1578 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1579 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1580 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1581 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1582 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1583
1584 # test for lrintf in math.h
1585 check_exec <<EOF && lrintf=yes || lrintf=no
1586 #define _ISOC9X_SOURCE 1
1587 #include <math.h>
1588 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1589 EOF
1590
1591 _restrict=
1592 for restrict_keyword in restrict __restrict__ __restrict; do
1593 check_cc <<EOF && _restrict=$restrict_keyword && break
1594 void foo(char * $restrict_keyword p);
1595 EOF
1596 done
1597
1598 # dlopen/dlfcn.h probing
1599
1600 check_header dlfcn.h
1601
1602 if check_func dlopen; then
1603 ldl=
1604 elif check_func dlopen -ldl; then
1605 ldl=-ldl
1606 fi
1607
1608 check_func fork
1609
1610 test "$vhook" = "default" && vhook="$dlopen"
1611
1612 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1613
1614 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1615 vhook="no"
1616 echo
1617 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1618 echo "Patches welcome."
1619 echo
1620 fi
1621
1622 if enabled vhook; then
1623 check_ldflags -rdynamic
1624 check_ldflags -export-dynamic
1625 fi
1626
1627 enabled audio_beos && add_extralibs "-lmedia -lbe"
1628
1629 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1630 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1631
1632 ##########################################
1633 # SDL check
1634
1635 sdl_too_old=no
1636 sdl=no
1637 SDL_CONFIG="${cross_prefix}sdl-config"
1638 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1639 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1640 temp_cflags $sdl_cflags
1641 temp_extralibs `"${SDL_CONFIG}" --libs`
1642 if check_lib SDL.h SDL_Init; then
1643 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1644 if test "$_sdlversion" -lt 121 ; then
1645 sdl_too_old=yes
1646 else
1647 sdl=yes
1648 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1649 #include <SDL.h>
1650 int main(void){
1651 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1652 int w = vi->current_w;
1653 return 0;
1654 }
1655 EOF
1656 fi
1657 fi
1658 restore_flags
1659 fi
1660
1661 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1662
1663 ##########################################
1664 # IPv6 check
1665
1666 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1667 #include <sys/types.h>
1668 #include <sys/socket.h>
1669 #include <netinet/in.h>
1670 #include <netdb.h>
1671 int main( void ) {
1672 struct sockaddr_storage saddr;
1673 struct ipv6_mreq mreq6;
1674 getaddrinfo(0,0,0,0);
1675 getnameinfo(0,0,0,0,0,0,0);
1676 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1677 }
1678 EOF
1679
1680 enabled v4l && check_header linux/videodev.h || disable v4l
1681 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1682
1683 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1684 if enabled bktr; then
1685 { check_header dev/bktr/ioctl_meteor.h &&
1686 check_header dev/bktr/ioctl_bt848.h; } ||
1687 { check_header machine/ioctl_meteor.h &&
1688 check_header machine/ioctl_bt848.h; } ||
1689 { check_header dev/video/meteor/ioctl_meteor.h &&
1690 check_header dev/video/bktr/ioctl_bt848.h; } ||
1691 check_header dev/ic/bt8xx.h ||
1692 disable bktr
1693 fi
1694
1695 enabled audio_oss &&
1696 check_header sys/soundcard.h ||
1697 check_header soundcard.h ||
1698 disable audio_oss
1699
1700 # Deal with the x11 frame grabber
1701 enabled x11grab &&
1702 enabled gpl &&
1703 enabled x11_grab_device_demuxer &&
1704 check_header X11/Xlib.h &&
1705 check_header X11/extensions/XShm.h &&
1706 check_func XOpenDisplay -lX11 &&
1707 check_func XShmCreateImage -lX11 -lXext &&
1708 add_extralibs -lX11 -lXext ||
1709 disable x11_grab_device_demuxer
1710
1711 enabled debug && add_cflags -g
1712
1713 # add some useful compiler flags if supported
1714 check_cflags -Wdeclaration-after-statement
1715 check_cflags -Wall
1716 check_cflags -Wno-switch
1717 check_cflags -Wdisabled-optimization
1718 check_cflags -Wpointer-arith
1719 check_cflags -Wredundant-decls
1720 check_cflags -Wno-pointer-sign
1721 enabled extra_warnings && check_cflags -Winline
1722
1723 # add some linker flags
1724 check_ldflags -Wl,--warn-common
1725 check_ldflags $LDLATEFLAGS
1726
1727 # not all compilers support -Os
1728 test "$optimize" = "small" && check_cflags -Os
1729
1730 if enabled optimize; then
1731 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1732 add_cflags "-O5"
1733 add_ldflags "-O5"
1734 else
1735 add_cflags "-O3"
1736 fi
1737 fi
1738
1739 # PIC flags for shared library objects where they are needed
1740 if enabled shared; then
1741 # LIBOBJFLAGS may have already been set in the OS configuration
1742 if test -z "$LIBOBJFLAGS" ; then
1743 case "$arch" in
1744 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1745 esac
1746 fi
1747 fi
1748
1749 if enabled gprof; then
1750 add_cflags "-p"
1751 add_ldflags "-p"
1752 fi
1753
1754 VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1755
1756 # find if .align arg is power-of-two or not
1757 if test $asmalign_pot = "unknown"; then
1758 asmalign_pot="no"
1759 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1760 fi
1761
1762 enabled_any $ENCODER_LIST && enable encoders
1763 enabled_any $DECODER_LIST && enable decoders
1764 enabled_any $MUXER_LIST && enable muxers
1765 enabled_any $DEMUXER_LIST && enable demuxers
1766 enabled_any $PROTOCOL_LIST && enable protocols
1767 enabled_any $BSF_LIST && enable bsfs
1768
1769 enabled_any $THREADS_LIST && enable threads
1770
1771 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1772 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1773
1774 enabled libogg && append pkg_requires "ogg >= 1.1"
1775 enabled libtheora && append pkg_requires "theora"
1776 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1777 enabled dc1394 && append pkg_requires "libraw1394"
1778
1779 echo "install prefix $PREFIX"
1780 echo "source path $source_path"
1781 echo "C compiler $cc"
1782 echo "make $make"
1783 echo ".align is power-of-two $asmalign_pot"
1784 echo "ARCH $arch ($cpu)"
1785 if test "$BUILDSUF" != ""; then
1786 echo "build suffix $BUILDSUF"
1787 fi
1788 echo "big-endian $bigendian"
1789 if test $arch = "x86_32" -o $arch = "x86_64"; then
1790 echo "MMX enabled $mmx"
1791 echo "CMOV enabled $cmov"
1792 echo "CMOV is fast $fast_cmov"
1793 fi
1794 if test $arch = "armv4l"; then
1795 echo "ARMv5TE enabled $armv5te"
1796 echo "ARMv6 enabled $armv6"
1797 echo "IWMMXT enabled $iwmmxt"
1798 fi
1799 if test $arch = "mips"; then
1800 echo "MMI enabled $mmi"
1801 fi
1802 if test $arch = "powerpc"; then
1803 echo "AltiVec enabled $altivec"
1804 echo "dcbzl available $dcbzl"
1805 fi
1806 echo "gprof enabled $gprof"
1807 echo "debug symbols $debug"
1808 echo "strip symbols $dostrip"
1809 echo "optimize $optimize"
1810 echo "static $static"
1811 echo "shared $shared"
1812 echo "postprocessing support $pp"
1813 echo "software scaler enabled $swscaler"
1814 echo "video hooking $vhook"
1815 if enabled vhook; then
1816 echo "Imlib2 support $imlib2"
1817 echo "FreeType support $freetype2"
1818 fi
1819 echo "network support $network"
1820 if enabled network; then
1821 echo "IPv6 support $ipv6"
1822 fi
1823 echo "threading support $thread_type"
1824 echo "SDL support $sdl"
1825 if enabled sdl_too_old; then
1826 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1827 fi
1828 echo "Sun medialib support $mlib"
1829 echo "AVISynth enabled $avisynth"
1830 echo "liba52 support $liba52"
1831 echo "liba52 dlopened $liba52bin"
1832 echo "libamr-nb support $libamr_nb"
1833 echo "libamr-wb support $libamr_wb"
1834 echo "libfaac enabled $libfaac"
1835 echo "libfaad enabled $libfaad"
1836 echo "faadbin enabled $libfaadbin"
1837 echo "libgsm enabled $libgsm"
1838 echo "libmp3lame enabled $libmp3lame"
1839 echo "libnut enabled $libnut"
1840 echo "libogg enabled $libogg"
1841 echo "libtheora enabled $libtheora"
1842 echo "libvorbis enabled $libvorbis"
1843 echo "x264 enabled $libx264"
1844 echo "XviD enabled $libxvid"
1845 echo "zlib enabled $zlib"
1846 if disabled gpl; then
1847 echo "License: LGPL"
1848 else
1849 echo "License: GPL"
1850 fi
1851
1852 echo "Creating config.mak and config.h..."
1853
1854 echo "# Automatically generated by configure - do not modify!" > config.mak
1855 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1856 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1857
1858 echo "PREFIX=$PREFIX" >> config.mak
1859 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1860 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1861 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1862 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1863 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1864 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1865 echo "MAKE=$make" >> config.mak
1866 echo "CC=$cc" >> config.mak
1867 echo "AR=$ar" >> config.mak
1868 echo "RANLIB=$ranlib" >> config.mak
1869 if enabled dostrip; then
1870 echo "STRIP=$strip" >> config.mak
1871 else
1872 echo "STRIP=echo ignoring strip" >> config.mak
1873 fi
1874
1875 echo "OPTFLAGS=$CFLAGS" >> config.mak
1876 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1877 echo "LDFLAGS=$LDFLAGS" >> config.mak
1878 echo "LDCONFIG=$LDCONFIG" >> config.mak
1879 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1880 echo "SHFLAGS=$SHFLAGS" >> config.mak
1881 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1882 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1883 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1884 echo "BUILD_STATIC=$static" >> config.mak
1885 echo "BUILDSUF=$BUILDSUF" >> config.mak
1886 echo "LIBPREF=$LIBPREF" >> config.mak
1887 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1888 if enabled static; then
1889 echo "LIB=$LIB" >> config.mak
1890 else # Some Make complain if this variable does not exist.
1891 echo "LIB=" >> config.mak
1892 fi
1893 echo "SLIBPREF=$SLIBPREF" >> config.mak
1894 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1895 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1896
1897 case "$arch" in
1898 powerpc)
1899 if test "$POWERPCMODE" = "64bits"; then
1900 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1901 fi
1902 ;;
1903 esac
1904
1905 if enabled bigendian; then
1906 echo "WORDS_BIGENDIAN=yes" >> config.mak
1907 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1908 fi
1909 if enabled mmx; then
1910 echo "#define __CPU__ 586" >> $TMPH
1911 fi
1912
1913 if enabled sdl; then
1914 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1915 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1916 fi
1917 if enabled texi2html; then
1918 echo "BUILD_DOC=yes" >> config.mak
1919 fi
1920
1921 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1922 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1923 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1924 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1925 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1926
1927
1928
1929 if enabled shared; then
1930 echo "BUILD_SHARED=yes" >> config.mak
1931 echo "PIC=-fPIC -DPIC" >> config.mak
1932 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1933 echo "SPPVERSION=$pp_version" >> config.mak
1934 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1935 echo "LAVCVERSION=$lavc_version" >> config.mak
1936 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1937 echo "LAVFVERSION=$lavf_version" >> config.mak
1938 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1939 echo "LAVUVERSION=$lavu_version" >> config.mak
1940 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1941 echo "SWSVERSION=$sws_version" >> config.mak
1942 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1943 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1944 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1945 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1946 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1947 fi
1948 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1949 echo "EXTRALIBS=$extralibs" >> config.mak
1950
1951 print_config ARCH_ $TMPH config.mak $ARCH_LIST
1952 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1953 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
1954 $DECODER_LIST \
1955 $ENCODER_LIST \
1956 $PARSER_LIST \
1957 $BSF_LIST \
1958 $DEMUXER_LIST \
1959 $MUXER_LIST \
1960 $PROTOCOL_LIST \
1961
1962 if test "$targetos" = darwin; then
1963 echo "#define CONFIG_DARWIN 1" >> $TMPH
1964 fi
1965
1966 echo "#define restrict $_restrict" >> $TMPH
1967
1968 if test "$optimize" = "small"; then
1969 echo "#define always_inline" >> $TMPH
1970 echo "#define CONFIG_SMALL 1" >> $TMPH
1971 fi
1972
1973 echo "SRC_PATH=\"$source_path\"" >> config.mak
1974 echo "SRC_PATH_BARE=$source_path" >> config.mak
1975 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1976
1977 # Apparently it's not possible to portably echo a backslash.
1978 if enabled asmalign_pot; then
1979 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1980 else
1981 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1982 fi
1983
1984
1985 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1986 if ! cmp -s $TMPH config.h; then
1987 mv -f $TMPH config.h
1988 else
1989 echo "config.h is unchanged"
1990 fi
1991
1992 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1993
1994 # build tree in object directory if source path is different from current one
1995 if enabled source_path_used; then
1996 DIRS="\
1997 doc \
1998 libavformat \
1999 libavcodec \
2000 libavcodec/alpha \
2001 libavcodec/armv4l \
2002 libavcodec/bfin \
2003 libavcodec/i386 \
2004 libavcodec/sparc \
2005 libavcodec/mlib \
2006 libavcodec/ppc \
2007 libpostproc \
2008 libavutil \
2009 libswscale \
2010 tests \
2011 vhook \
2012 "
2013 FILES="\
2014 Makefile \
2015 common.mak \
2016 libavformat/Makefile \
2017 libavcodec/Makefile \
2018 libpostproc/Makefile \
2019 libavutil/Makefile \
2020 libswscale/Makefile \
2021 tests/Makefile \
2022 vhook/Makefile \
2023 doc/texi2pod.pl \
2024 "
2025 for dir in $DIRS ; do
2026 mkdir -p $dir
2027 done
2028 for f in $FILES ; do
2029 ln -sf "$source_path/$f" $f
2030 done
2031 fi
2032
2033
2034 # build pkg-config files
2035 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2036
2037 pkgconfig_generate(){
2038 name=$1
2039 comment=$2
2040 version=$3
2041 libs=$4
2042 requires=$5
2043 include=$6
2044 cat <<EOF >$name.pc
2045 prefix=$PREFIX
2046 exec_prefix=\${prefix}
2047 libdir=\${exec_prefix}/lib
2048 includedir=\${prefix}/include
2049
2050 Name: $name
2051 Description: $comment
2052 Version: $version
2053 Requires: $requires
2054 Conflicts:
2055 Libs: -L\${libdir} $libs
2056 Cflags: -I\${includedir} -I\${includedir}/$include
2057 EOF
2058 }
2059
2060 pkgconfig_generate_uninstalled(){
2061 name=$1
2062 shortname=${name#lib}
2063 comment=$2
2064 version=$3
2065 libs=$4
2066 requires=$5
2067 cat <<EOF >$name-uninstalled.pc
2068 prefix=
2069 exec_prefix=
2070 libdir=\${pcfiledir}/$name
2071 includedir=\${pcfiledir}/$name
2072
2073 Name: $name
2074 Description: $comment
2075 Version: $version
2076 Requires: $requires
2077 Conflicts:
2078 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2079 Cflags: -I\${includedir}
2080 EOF
2081 }
2082
2083 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2084 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2085
2086 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2087 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2088
2089 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2090 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2091
2092 if enabled pp; then
2093 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2094 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2095 fi
2096
2097 if enabled swscaler; then
2098 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2099 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2100 else
2101 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2102 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2103 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2104 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2105 fi