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