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