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