remove extraneous per-OS disabling of video4linux[2]
[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-mingw32 enable MinGW native/cross Windows compile"
66 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-sunmlib use Sun medialib [default=no]"
74 echo " --enable-beosthreads use BeOS threads [default=no]"
75 echo " --enable-os2threads use OS/2 threads [default=no]"
76 echo " --enable-pthreads use pthreads [default=no]"
77 echo " --enable-w32threads use Win32 threads [default=no]"
78 echo " --enable-x11grab enable X11 grabbing [default=no]"
79 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
80 echo " and libraw1394 [default=no]"
81 echo " --enable-a52 enable GPLed liba52 support [default=no]"
82 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-dts enable GPLed libdts support [default=no]"
85 echo " --enable-faac enable FAAC support via libfaac [default=no]"
86 echo " --enable-faad enable FAAD support via libfaad [default=no]"
87 echo " --enable-faadbin build FAAD support with runtime linking [default=no]"
88 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
89 echo " --enable-mp3lame enable MP3 encoding via libmp3lame [default=no]"
90 echo " --enable-libnut enable NUT (de)muxing via libnut,"
91 echo " native demuxer exists [default=no]"
92 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
93 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
94 echo " --enable-vorbis enable Vorbis en/decoding via libvorbis,"
95 echo " native implementations exist [default=no]"
96 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
97 echo " --enable-xvid enable Xvid encoding via xvidcore,"
98 echo " native MPEG-4/Xvid encoder exists [default=no]"
99 echo " --enable-amr_nb enable amr_nb float audio codec"
100 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
101 echo " --enable-amr_wb enable amr_wb float audio codec"
102 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
103 echo " --enable-gpl allow use of GPL code, the resulting libav*"
104 echo " and ffmpeg will be under GPL [default=no]"
105 echo ""
106 echo "Advanced options (experts only):"
107 echo " --source-path=PATH path to source code [$source_path]"
108 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --cc=CC use C compiler CC [$cc]"
111 echo " --make=MAKE use specified make [$make]"
112 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
113 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
114 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
115 echo " --build-suffix=SUFFIX suffix for application specific build []"
116 echo " --arch=ARCH select architecture [$arch]"
117 echo " --cpu=CPU selects the minimum cpu required (affects
118 instruction selection, may crash on older CPUs)"
119 echo " --powerpc-perf-enable enable performance report on PPC"
120 echo " (requires enabling PMC)"
121 echo " --disable-mmx disable MMX usage"
122 echo " --disable-armv5te disable armv5te usage"
123 echo " --disable-armv6 disable armv6 usage"
124 echo " --disable-iwmmxt disable iwmmxt usage"
125 echo " --disable-altivec disable AltiVec usage"
126 echo " --disable-audio-oss disable OSS audio support [default=no]"
127 echo " --disable-audio-beos disable BeOS audio support [default=no]"
128 echo " --disable-v4l disable video4linux grabbing [default=no]"
129 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
130 echo " --disable-bktr disable bktr video grabbing [default=no]"
131 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
132 echo " --disable-network disable network support [default=no]"
133 echo " --disable-ipv6 disable ipv6 support [default=no]"
134 echo " --disable-zlib disable zlib [default=no]"
135 echo " --disable-vhook disable video hooking support"
136 echo " --enable-gprof enable profiling with gprof [$gprof]"
137 echo " --disable-debug disable debugging symbols"
138 echo " --disable-opts disable compiler optimizations"
139 echo " --enable-extra-warnings enable more compiler warnings"
140 echo " --disable-mpegaudio-hp faster (but less accurate)"
141 echo " MPEG audio decoding [default=no]"
142 echo " --disable-protocols disable I/O protocols support [default=no]"
143 echo " --disable-ffmpeg disable ffmpeg build"
144 echo " --disable-ffserver disable ffserver build"
145 echo " --disable-ffplay disable ffplay build"
146 echo " --enable-small optimize for size instead of speed"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-strip disable stripping of executables and shared libraries"
149 echo " --disable-encoder=NAME disables encoder NAME"
150 echo " --enable-encoder=NAME enables encoder NAME"
151 echo " --disable-decoder=NAME disables decoder NAME"
152 echo " --enable-decoder=NAME enables decoder NAME"
153 echo " --disable-encoders disables all encoders"
154 echo " --disable-decoders disables all decoders"
155 echo " --disable-muxer=NAME disables muxer NAME"
156 echo " --enable-muxer=NAME enables muxer NAME"
157 echo " --disable-muxers disables all muxers"
158 echo " --disable-demuxer=NAME disables demuxer NAME"
159 echo " --enable-demuxer=NAME enables demuxer NAME"
160 echo " --disable-demuxers disables all demuxers"
161 echo " --enable-parser=NAME enables parser NAME"
162 echo " --disable-parser=NAME disables parser NAME"
163 echo " --disable-parsers disables all parsers"
164 echo ""
165 echo "NOTE: Object files are built at the place where configure is launched."
166 exit 1
167 }
168
169 log(){
170 echo "$@" >>$logfile
171 }
172
173 log_file(){
174 log BEGIN $1
175 cat -n $1 >>$logfile
176 log END $1
177 }
178
179 echolog(){
180 log "$@"
181 echo "$@"
182 }
183
184 die(){
185 echolog "$@"
186 cat <<EOF
187 If you think configure made a mistake, make sure you are using the latest
188 version from SVN. If the latest version fails, report the problem to the
189 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
190 EOF
191 if enabled logging; then
192 cat <<EOF
193 Include the log file "$logfile" produced by configure as this will help
194 solving the problem.
195 EOF
196 else
197 cat <<EOF
198 Rerun configure with logging enabled (do not use --log=no), and include the
199 log this produces with your report.
200 EOF
201 fi
202 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
203 exit 1
204 }
205
206 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
207 toupper(){
208 echo "$@" | tr '[a-z]' '[A-Z]'
209 }
210
211 set_all(){
212 value=$1
213 shift
214 for var in $*; do
215 eval $var=$value
216 done
217 }
218
219 enable(){
220 set_all yes $*
221 }
222
223 disable(){
224 set_all no $*
225 }
226
227 enabled(){
228 eval test "x\$$1" = "xyes"
229 }
230
231 disabled(){
232 eval test "x\$$1" = "xno"
233 }
234
235 enabled_all(){
236 for opt; do
237 enabled $opt || return 1
238 done
239 }
240
241 disabled_all(){
242 for opt; do
243 disabled $opt || return 1
244 done
245 }
246
247 enabled_any(){
248 for opt; do
249 enabled $opt && return 0
250 done
251 }
252
253 disabled_any(){
254 for opt; do
255 disabled $opt && return 0
256 done
257 }
258
259 check_deps(){
260 for cfg; do
261 eval dep_all="\$${cfg}_deps"
262 eval dep_any="\$${cfg}_deps_any"
263 enabled_all $dep_all || disable $cfg
264 enabled_any $dep_any || disable $cfg
265 done
266 }
267
268 print_config(){
269 pfx=$1
270 header=$2
271 makefile=$3
272 shift 3
273 for cfg; do
274 if enabled $cfg; then
275 ucname="${pfx}`toupper $cfg`"
276 echo "#define ${ucname} 1" >> $header
277 echo "${ucname}=yes" >> $makefile
278 fi
279 done
280 }
281
282 flags_saved(){
283 (: ${SAVE_CFLAGS?}) 2>/dev/null
284 }
285
286 save_flags(){
287 flags_saved && return
288 SAVE_CFLAGS="$CFLAGS"
289 SAVE_LDFLAGS="$LDFLAGS"
290 SAVE_extralibs="$extralibs"
291 }
292
293 restore_flags(){
294 CFLAGS="$SAVE_CFLAGS"
295 LDFLAGS="$SAVE_LDFLAGS"
296 extralibs="$SAVE_extralibs"
297 unset SAVE_CFLAGS
298 unset SAVE_LDFLAGS
299 unset SAVE_extralibs
300 }
301
302 temp_cflags(){
303 save_flags
304 CFLAGS="$CFLAGS $*"
305 }
306
307 temp_ldflags(){
308 save_flags
309 LDFLAGS="$LDFLAGS $*"
310 }
311
312 temp_extralibs(){
313 save_flags
314 extralibs="$extralibs $*"
315 }
316
317 append(){
318 var=$1
319 shift
320 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
321 eval "$var=\"\$$var $*\""
322 }
323
324 add_cflags(){
325 append CFLAGS "$@"
326 }
327
328 add_ldflags(){
329 append LDFLAGS "$@"
330 }
331
332 add_extralibs(){
333 append extralibs "$@"
334 }
335
336 check_cmd(){
337 log "$@"
338 "$@" >>$logfile 2>&1
339 }
340
341 check_cc(){
342 log check_cc "$@"
343 cat >$TMPC
344 log_file $TMPC
345 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
346 }
347
348 check_cpp(){
349 log check_cpp "$@"
350 cat >$TMPC
351 log_file $TMPC
352 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
353 }
354
355 check_ld(){
356 log check_ld "$@"
357 check_cc || return
358 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
359 }
360
361 check_cflags(){
362 log check_cflags "$@"
363 check_cc "$@" <<EOF && add_cflags "$@"
364 int x;
365 EOF
366 }
367
368 check_ldflags(){
369 log check_ldflags "$@"
370 check_ld "$@" <<EOF && add_ldflags "$@"
371 int main(){
372 return 0;
373 }
374 EOF
375 }
376
377 check_header(){
378 log check_header "$@"
379 header=$1
380 shift
381 check_cpp "$@" <<EOF
382 #include <$header>
383 int x;
384 EOF
385 err=$?
386 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
387 test "$err" = 0 && enable $var || disable $var
388 return $err
389 }
390
391 check_func(){
392 log check_func "$@"
393 func=$1
394 shift
395 check_ld "$@" <<EOF
396 extern int $func();
397 int main(){
398 $func();
399 }
400 EOF
401 err=$?
402 test "$err" = 0 && enable $func || disable $func
403 return $err
404 }
405
406 check_lib(){
407 log check_lib "$@"
408 header="$1"
409 func="$2"
410 shift 2
411 temp_extralibs "$@"
412 check_header $header && check_func $func && add_extralibs "$@"
413 err=$?
414 restore_flags
415 return $err
416 }
417
418 check_exec(){
419 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
420 }
421
422 require(){
423 name="$1"
424 header="$2"
425 func="$3"
426 shift 3
427 check_lib $header $func "$@" || die "ERROR: $name not found"
428 }
429
430 apply(){
431 file=$1
432 shift
433 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
434 }
435
436 CONFIG_LIST='
437 encoders
438 decoders
439 parsers
440 muxers
441 demuxers
442 amr
443 amr_nb
444 amr_nb_fixed
445 amr_wb
446 audio_beos
447 audio_oss
448 avisynth
449 beos_netserver
450 bktr
451 dc1394
452 dv1394
453 ffmpeg
454 ffplay
455 ffserver
456 gpl
457 ipv6
458 liba52
459 liba52bin
460 libdts
461 libfaac
462 libfaad
463 libfaadbin
464 libgsm
465 libmp3lame
466 libnut
467 libogg
468 libtheora
469 libvorbis
470 memalign_hack
471 mpegaudio_hp
472 network
473 pp
474 protocols
475 swscaler
476 vhook
477 video4linux
478 video4linux2
479 wince
480 x11grab
481 x264
482 xvid
483 zlib
484 '
485
486 HAVE_LIST='
487 altivec
488 altivec_h
489 armv5te
490 armv6
491 beosthreads
492 byteswap_h
493 cmov
494 dcbzl
495 dev_bktr_ioctl_bt848_h
496 dev_bktr_ioctl_meteor_h
497 dev_ic_bt8xx_h
498 dev_video_meteor_ioctl_meteor_h
499 dev_video_bktr_ioctl_bt848_h
500 dlfcn_h
501 dlopen
502 fast_cmov
503 freetype2
504 gprof
505 imlib2
506 inet_aton
507 iwmmxt
508 localtime_r
509 lrintf
510 machine_ioctl_bt848_h
511 machine_ioctl_meteor_h
512 malloc_h
513 memalign
514 mlib
515 mmi
516 mmx
517 os2
518 os2threads
519 pthreads
520 sdl
521 sdl_video_size
522 threads
523 w32threads
524 '
525
526 TARGET_LIST='
527 altivec
528 armv5te
529 iwmmxt
530 mmi
531 mmx
532 '
533
534 flashsv_decoder_deps="zlib"
535 flashsv_encoder_deps="zlib"
536 mpeg_xvmc_decoder_deps="xvmc"
537 png_decoder_deps="zlib"
538 png_encoder_deps="zlib"
539 x264_encoder_deps="x264"
540 xvid_encoder_deps="xvid"
541 zmbv_decoder_deps="zlib"
542 zmbv_encoder_deps="zlib"
543
544 aac_decoder_deps="libfaad"
545 mpeg4aac_decoder_deps="libfaad"
546 ac3_decoder_deps="liba52"
547 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
548 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
549 amr_wb_decoder_deps="amr_wb"
550 amr_wb_encoder_deps="amr_wb"
551 dts_decoder_deps="libdts"
552 faac_encoder_deps="libfaac"
553 libgsm_decoder_deps="libgsm"
554 libgsm_encoder_deps="libgsm"
555 libtheora_encoder_deps="libtheora"
556 mp3lame_encoder_deps="libmp3lame"
557 oggvorbis_decoder_deps="libvorbis"
558 oggvorbis_encoder_deps="libvorbis"
559
560 audio_demuxer_deps_any="audio_oss audio_beos"
561 audio_muxer_deps_any="audio_oss audio_beos"
562 dc1394_demuxer_deps="dc1394"
563 dv1394_demuxer_deps="dv1394"
564 gxf_muxer_deps="gpl"
565 libnut_demuxer_deps="libnut"
566 libnut_muxer_deps="libnut"
567 ogg_muxer_deps="libogg"
568 redir_demuxer_deps="network"
569 rtp_muxer_deps="network"
570 rtsp_demuxer_deps="network"
571 sdp_demuxer_deps="network"
572 v4l2_demuxer_deps="video4linux2"
573 video_grab_device_demuxer_deps_any="video4linux bktr"
574 x11_grab_device_demuxer_deps="x11grab"
575
576 # set temporary file name
577 if test ! -z "$TMPDIR" ; then
578 TMPDIR1="${TMPDIR}"
579 elif test ! -z "$TEMPDIR" ; then
580 TMPDIR1="${TEMPDIR}"
581 else
582 TMPDIR1="/tmp"
583 fi
584
585 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
586 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
587 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
588 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
589 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
590
591 # default parameters
592
593 logging="yes"
594 logfile="config.err"
595
596 # installation paths
597 PREFIX="/usr/local"
598 libdir='${PREFIX}/lib'
599 shlibdir="$libdir"
600 incdir='${PREFIX}/include/ffmpeg'
601 mandir='${PREFIX}/man'
602 bindir='${PREFIX}/bin'
603
604 # toolchain
605 cross_prefix=""
606 cross_compile="no"
607 cc="gcc"
608 ar="ar"
609 ranlib="ranlib"
610 make="make"
611 strip="strip"
612 asmalign_pot="unknown"
613
614 # machine
615 arch=`uname -m`
616 cpu="generic"
617 powerpc_perf="no"
618 mmx="default"
619 cmov="no"
620 fast_cmov="no"
621 armv5te="default"
622 armv6="default"
623 iwmmxt="default"
624 altivec="default"
625 dcbzl="no"
626 mmi="default"
627 bigendian="no"
628
629 case "$arch" in
630 i386|i486|i586|i686|i86pc|BePC)
631 arch="x86_32"
632 ;;
633 x86_64|amd64)
634 arch="x86_32"
635 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
636 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
637 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
638 arch="x86_64"
639 fi
640 fi
641 ;;
642 # armv4l is a subset of armv[567]*l
643 arm|armv[4567]*l)
644 arch="armv4l"
645 ;;
646 alpha)
647 arch="alpha"
648 ;;
649 "Power Macintosh"|ppc|ppc64|powerpc)
650 arch="powerpc"
651 ;;
652 mips|mipsel|IP*)
653 arch="mips"
654 ;;
655 sun4u|sparc64)
656 arch="sparc64"
657 ;;
658 sparc)
659 arch="sparc"
660 ;;
661 sh4)
662 arch="sh4"
663 ;;
664 parisc|parisc64)
665 arch="parisc"
666 ;;
667 s390|s390x)
668 arch="s390"
669 ;;
670 m68k)
671 arch="m68k"
672 ;;
673 ia64)
674 arch="ia64"
675 ;;
676 bfin)
677 arch="bfin"
678 ;;
679 *)
680 arch="unknown"
681 ;;
682 esac
683
684 # OS
685 beos_netserver="no"
686 mingw32="no"
687 os2="no"
688 wince="no"
689
690 # non-library system interfaces
691 audio_beos="no"
692 audio_oss="yes"
693 bktr="no"
694 dv1394="yes"
695 video4linux2="yes"
696 video4linux="yes"
697
698 # libraries
699 amr_if2="no"
700 amr_nb="no"
701 amr_nb_fixed="no"
702 amr_wb="no"
703 avisynth="no"
704 dc1394="no"
705 dlfcn_h="no"
706 dlopen="no"
707 liba52="no"
708 liba52bin="no"
709 libdts="no"
710 libfaac="no"
711 libfaad2="no"
712 libfaad="no"
713 libfaadbin="no"
714 libgsm="no"
715 libmp3lame="no"
716 libnut="no"
717 libogg="no"
718 libtheora="no"
719 libvorbis="no"
720 mlib="no"
721 x11grab="no"
722 x264="no"
723 xvid="no"
724 zlib="yes"
725
726 # configurable options
727 debug="yes"
728 dostrip="yes"
729 extrawarnings="no"
730 ffmpeg="yes"
731 ffplay="yes"
732 ffserver="yes"
733 gpl="no"
734 gprof="no"
735 ipv6="yes"
736 lshared="no"
737 lstatic="yes"
738 memalign_hack="no"
739 mpegaudio_hp="yes"
740 network="yes"
741 optimize="yes"
742 pp="no"
743 protocols="yes"
744 swscaler="no"
745 vhook="default"
746
747 # threading
748 beosthreads="no"
749 os2threads="no"
750 pthreads="no"
751 w32threads="no"
752 thread_type="no"
753
754 # build settings
755 extralibs="-lm"
756 SHFLAGS='-shared -Wl,-soname,$@'
757 VHOOKSHFLAGS='$(SHFLAGS)'
758 LIBOBJFLAGS=""
759 FFLDFLAGS=-Wl,--warn-common
760 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
761 FFSERVERLDFLAGS=-Wl,-E
762 LDCONFIG="ldconfig"
763 LIBPREF="lib"
764 LIBSUF=".a"
765 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
766 SLIBPREF="lib"
767 SLIBSUF=".so"
768 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
769 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
770 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
771 EXESUF=""
772 BUILDSUF=""
773 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
774
775 # OS specific
776 targetos=`uname -s`
777 case $targetos in
778 BeOS|Haiku|Zeta)
779 PREFIX="$HOME/config"
780 # helps building libavcodec
781 add_cflags "-DPIC -fomit-frame-pointer"
782 # 3 gcc releases known for BeOS, each with ugly bugs
783 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
784 case "$gcc_version" in
785 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
786 mmx="no"
787 ;;
788 *20010315*) echo "BeBits gcc"
789 add_cflags "-fno-expensive-optimizations"
790 ;;
791 esac
792 LDCONFIG="echo ignoring ldconfig"
793 SHFLAGS=-nostart
794 # disable Linux things
795 audio_oss="no"
796 dv1394="no"
797 # enable BeOS things
798 audio_beos="yes"
799 # no need for libm, but the inet stuff
800 # Check for BONE
801 # XXX: actually should check for NOT net_server
802 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
803 extralibs="-lbind -lsocket"
804 else
805 beos_netserver="yes"
806 extralibs="-lnet"
807 fi ;;
808 SunOS)
809 audio_oss="no"
810 dv1394="no"
811 make="gmake"
812 FFLDFLAGS=""
813 FFSERVERLDFLAGS=""
814 SHFLAGS="-shared -Wl,-h,\$@"
815 add_extralibs "-lsocket -lnsl"
816 ;;
817 NetBSD)
818 bktr="yes"
819 audio_oss="yes"
820 dv1394="no"
821 make="gmake"
822 add_extralibs "-lossaudio"
823 ;;
824 OpenBSD)
825 bktr="yes"
826 audio_oss="yes"
827 dv1394="no"
828 need_memalign="no"
829 make="gmake"
830 LIBOBJFLAGS="\$(PIC)"
831 LDCONFIG="ldconfig -m \$(shlibdir)"
832 SHFLAGS='-shared'
833 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
834 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
835 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
836 add_extralibs "-lossaudio"
837 ;;
838 FreeBSD)
839 bktr="yes"
840 audio_oss="yes"
841 dv1394="no"
842 make="gmake"
843 need_memalign="no"
844 add_cflags "-pthread"
845 ;;
846 GNU/kFreeBSD)
847 bktr="yes"
848 audio_oss="yes"
849 dv1394="no"
850 add_cflags "-pthread"
851 ;;
852 BSD/OS)
853 bktr="yes"
854 audio_oss="yes"
855 dv1394="no"
856 extralibs="-lpoll -lgnugetopt -lm"
857 make="gmake"
858 strip="strip -d"
859 ;;
860 Darwin)
861 cc="cc"
862 audio_oss="no"
863 dv1394="no"
864 need_memalign="no"
865 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
866 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
867 extralibs=""
868 strip="strip -x"
869 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
870 SLIBSUF=".dylib"
871 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
872 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
873 FFSERVERLDFLAGS=-Wl,-bind_at_load
874 ;;
875 MINGW32*)
876 # Note: the rest of the mingw32 config is done afterwards as mingw32
877 # can be forced on the command line for Linux cross compilation.
878 mingw32="yes"
879 ;;
880 CYGWIN*)
881 targetos=CYGWIN
882 shlibdir="$bindir"
883 audio_oss="yes"
884 dv1394="no"
885 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
886 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
887 extralibs=""
888 EXESUF=".exe"
889 SLIBPREF="cyg"
890 SLIBSUF=".dll"
891 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
892 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
893 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
894 ;;
895 Linux)
896 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
897 ;;
898 IRIX*)
899 targetos=IRIX
900 ranlib="echo ignoring ranlib"
901 audio_oss="no"
902 make="gmake"
903 ;;
904 OS/2)
905 TMPE=$TMPE".exe"
906 ar="emxomfar -p128"
907 ranlib="echo ignoring ranlib"
908 strip="echo ignoring strip"
909 add_cflags "-Zomf"
910 FFLDFLAGS="-Zomf -Zstack 16384 -s"
911 SHFLAGS="-Zdll -Zomf"
912 FFSERVERLDFLAGS=""
913 LIBPREF=""
914 LIBSUF=".lib"
915 SLIBPREF=""
916 SLIBSUF=".dll"
917 EXESUF=".exe"
918 extralibs=""
919 pkg_requires=""
920 audio_oss="no"
921 dv1394="no"
922 ffserver="no"
923 vhook="no"
924 os2="yes"
925 ;;
926 *)
927 targetos="${targetos}-UNKNOWN"
928 ;;
929 esac
930
931 # find source path
932 source_path="`dirname \"$0\"`"
933 source_path_used="yes"
934 if test -z "$source_path" -o "$source_path" = "." ; then
935 source_path="`pwd`"
936 source_path_used="no"
937 else
938 source_path="`cd \"$source_path\"; pwd`"
939 echo "$source_path" | grep -q '[[:blank:]]' &&
940 die "Out of tree builds are impossible with whitespace in source path."
941 fi
942
943 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
944 show_help
945 fi
946
947 FFMPEG_CONFIGURATION="$@"
948
949 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
950 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
951 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
952 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
953 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
954
955 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
956
957 for opt do
958 optval="${opt#*=}"
959 case "$opt" in
960 --log)
961 ;;
962 --log=*) logging="$optval"
963 ;;
964 --prefix=*) PREFIX="$optval"
965 ;;
966 --libdir=*) libdir="$optval"
967 ;;
968 --shlibdir=*) shlibdir="$optval"
969 ;;
970 --incdir=*) incdir="$optval"
971 ;;
972 --mandir=*) mandir="$optval"
973 ;;
974 --source-path=*) source_path="$optval"
975 ;;
976 --cross-prefix=*) cross_prefix="$optval"
977 ;;
978 --cross-compile) cross_compile=yes
979 ;;
980 --cc=*) cc="$optval"
981 ;;
982 --make=*) make="$optval"
983 ;;
984 --extra-cflags=*) add_cflags "$optval"
985 ;;
986 --extra-ldflags=*) add_ldflags "$optval"
987 ;;
988 --extra-libs=*) add_extralibs "$optval"
989 ;;
990 --build-suffix=*) BUILDSUF="$optval"
991 ;;
992 --arch=*) arch="$optval"
993 ;;
994 --cpu=*) cpu="$optval"
995 ;;
996 --powerpc-perf-enable) powerpc_perf="yes"
997 ;;
998 --disable-mmx) mmx="no"
999 ;;
1000 --disable-armv5te) armv5te="no"
1001 ;;
1002 --disable-armv6) armv6="no"
1003 ;;
1004 --disable-iwmmxt) iwmmxt="no"
1005 ;;
1006 --disable-altivec) altivec="no"
1007 ;;
1008 --enable-gprof) gprof="yes"
1009 ;;
1010 --disable-v4l) video4linux="no"
1011 ;;
1012 --disable-v4l2) video4linux2="no"
1013 ;;
1014 --disable-bktr) bktr="no"
1015 ;;
1016 --disable-audio-oss) audio_oss="no"
1017 ;;
1018 --disable-audio-beos) audio_beos="no"
1019 ;;
1020 --disable-dv1394) dv1394="no"
1021 ;;
1022 --disable-network) network="no"; ffserver="no"
1023 ;;
1024 --disable-ipv6) ipv6="no";
1025 ;;
1026 --disable-zlib) zlib="no"
1027 ;;
1028 --enable-a52) liba52="yes"
1029 ;;
1030 --enable-a52bin) liba52bin="yes"
1031 ;;
1032 --enable-dts) libdts="yes"
1033 ;;
1034 --enable-pp) pp="yes"
1035 ;;
1036 --enable-libgsm) libgsm="yes"
1037 ;;
1038 --enable-mp3lame) libmp3lame="yes"
1039 ;;
1040 --enable-libnut) libnut="yes"
1041 ;;
1042 --enable-libogg) libogg="yes"
1043 pkg_requires="$pkg_requires ogg >= 1.1"
1044 ;;
1045 --enable-libtheora) libtheora="yes"
1046 pkg_requires="$pkg_requires theora"
1047 ;;
1048 --enable-vorbis) libvorbis="yes"
1049 pkg_requires="$pkg_requires vorbis vorbisenc"
1050 ;;
1051 --enable-faad) libfaad="yes"
1052 ;;
1053 --enable-faadbin) libfaadbin="yes"
1054 ;;
1055 --enable-faac) libfaac="yes"
1056 ;;
1057 --enable-xvid) xvid="yes"
1058 ;;
1059 --enable-x264) x264="yes"
1060 ;;
1061 --enable-avisynth) avisynth="yes";
1062 ;;
1063 --enable-x11grab) x11grab="yes";
1064 ;;
1065 --enable-dc1394) dc1394="yes"
1066 pkg_requires="$pkg_requires libraw1394"
1067 ;;
1068 --disable-vhook) vhook="no"
1069 ;;
1070 --enable-mingw32) mingw32="yes"
1071 ;;
1072 --enable-mingwce) wince="yes"
1073 ;;
1074 --enable-static) lstatic="yes"
1075 ;;
1076 --disable-static) lstatic="no"
1077 ;;
1078 --enable-shared) lshared="yes"
1079 ;;
1080 --disable-shared) lshared="no"
1081 ;;
1082 --disable-debug) debug="no"
1083 ;;
1084 --disable-opts) optimize="no"
1085 ;;
1086 --enable-extra-warnings) extrawarnings="yes"
1087 ;;
1088 --disable-mpegaudio-hp) mpegaudio_hp="no"
1089 ;;
1090 --disable-protocols) protocols="no"; network="no"; ffserver="no"
1091 ;;
1092 --disable-ffmpeg) ffmpeg="no"
1093 ;;
1094 --disable-ffserver) ffserver="no"
1095 ;;
1096 --disable-ffplay) ffplay="no"
1097 ;;
1098 --enable-small) optimize="small"
1099 ;;
1100 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1101 ;;
1102 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1103 ;;
1104 --enable-amr_wb) amr="yes"; amr_wb="yes"
1105 ;;
1106 --enable-amr_if2) amr="yes"; amr_if2="yes"
1107 ;;
1108 --enable-sunmlib) mlib="yes"
1109 ;;
1110 --enable-pthreads) pthreads="yes"
1111 ;;
1112 --enable-w32threads) w32threads="yes"
1113 ;;
1114 --enable-beosthreads) beosthreads="yes"
1115 ;;
1116 --enable-os2threads) os2threads="yes"
1117 ;;
1118 --enable-swscaler) swscaler="yes"
1119 ;;
1120 --enable-gpl) gpl="yes"
1121 ;;
1122 --enable-memalign-hack) memalign_hack="yes"
1123 ;;
1124 --disable-strip) dostrip="no"
1125 ;;
1126 --enable-encoder=*) enable ${optval}_encoder
1127 ;;
1128 --enable-decoder=*) enable ${optval}_decoder
1129 ;;
1130 --disable-encoder=*) disable ${optval}_encoder
1131 ;;
1132 --disable-decoder=*) disable ${optval}_decoder
1133 ;;
1134 --disable-encoders) disable $ENCODER_LIST
1135 ;;
1136 --disable-decoders) disable $DECODER_LIST
1137 ;;
1138 --enable-muxer=*) enable ${optval}_muxer
1139 ;;
1140 --disable-muxer=*) disable ${optval}_muxer
1141 ;;
1142 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1143 ;;
1144 --enable-demuxer=*) enable ${optval}_demuxer
1145 ;;
1146 --disable-demuxer=*) disable ${optval}_demuxer
1147 ;;
1148 --disable-demuxers) disable $DEMUXER_LIST
1149 ;;
1150 --enable-parser=*) enable ${optval}_parser
1151 ;;
1152 --disable-parser=*) disable ${optval}_parser
1153 ;;
1154 --disable-parsers) disable $PARSER_LIST
1155 ;;
1156 --help) show_help
1157 ;;
1158 *)
1159 echo "Unknown option \"$opt\"."
1160 echo "See $0 --help for available options."
1161 exit 1
1162 ;;
1163 esac
1164 done
1165
1166 if ! disabled logging ; then
1167 enabled logging || logfile="$logging"
1168 echo "# $0 $@" >$logfile
1169 set >>$logfile
1170 else
1171 logfile=/dev/null
1172 fi
1173
1174 if enabled_any mingw32 wince; then
1175 if enabled_all lshared lstatic; then
1176 cat <<EOF
1177 You can only build one library type at once on MinGW.
1178 Specify --disable-static --enable-shared to only build
1179 the shared libraries. To build only the static libraries
1180 you do not need to pass additional options.
1181 EOF
1182 exit 1
1183 fi
1184 audio_oss="no"
1185 dv1394="no"
1186 dc1394="no"
1187 ffserver="no"
1188 network="no"
1189 if enabled wince; then
1190 protocols="no"
1191 fi
1192 SLIBPREF=""
1193 SLIBSUF=".dll"
1194 EXESUF=".exe"
1195 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1196 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1197 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1198 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1199 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1200 fi
1201
1202 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1203 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1204
1205 test -n "$cross_prefix" && cross_compile=yes
1206 cc="${cross_prefix}${cc}"
1207 ar="${cross_prefix}${ar}"
1208 ranlib="${cross_prefix}${ranlib}"
1209 strip="${cross_prefix}${strip}"
1210
1211 # we need to build at least one lib type
1212 if disabled_all lstatic lshared; then
1213 cat <<EOF
1214 At least one library type must be built.
1215 Specify --enable-static to build the static libraries or --enable-shared to
1216 build the shared libraries as well. To only build the shared libraries specify
1217 --disable-static in addition to --enable-shared.
1218 EOF
1219 exit 1;
1220 fi
1221
1222 if disabled libogg; then
1223 enabled libtheora && die "libogg must be enabled to enable libtheora."
1224 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1225 fi
1226
1227 if enabled_any libfaad libfaadbin ; then
1228 if check_header faad.h; then
1229 check_cc << EOF
1230 #include <faad.h>
1231 #ifndef FAAD2_VERSION
1232 ok faad1
1233 #endif
1234 int main( void ) { return 0; }
1235 EOF
1236 test $? = 0 && enable libfaad2
1237 else
1238 die "FAAD test failed."
1239 fi
1240 fi
1241
1242
1243 if disabled gpl ; then
1244 die_gpl_disabled(){
1245 name=$1
1246 shift
1247 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1248 }
1249 die_gpl_disabled "The Postprocessing code" pp
1250 die_gpl_disabled "liba52" liba52 liba52bin
1251 die_gpl_disabled "libxvidcore" xvid
1252 die_gpl_disabled "x264" x264
1253 die_gpl_disabled "libdts" libdts
1254 die_gpl_disabled "FAAD2" libfaad2
1255 die_gpl_disabled "The X11 grabber" x11grab
1256 die_gpl_disabled "The software scaler" swscaler
1257 fi
1258
1259 # compute MMX state
1260 if test $mmx = "default"; then
1261 if test $arch = "x86_32" -o $arch = "x86_64"; then
1262 mmx="yes"
1263 else
1264 mmx="no"
1265 fi
1266 fi
1267
1268 test -z "$need_memalign" && need_memalign="$mmx"
1269
1270 #Darwin CC versions
1271 needmdynamicnopic="no"
1272 if test $targetos = Darwin; then
1273 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1274 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1275 else
1276 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1277 case "$gcc_version" in
1278 *2.95*)
1279 add_cflags "-no-cpp-precomp -pipe"
1280 ;;
1281 *[34].*)
1282 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1283 if disabled lshared; then
1284 needmdynamicnopic="yes"
1285 fi
1286 ;;
1287 *)
1288 add_cflags "-no-cpp-precomp -pipe"
1289 if disabled lshared; then
1290 needmdynamicnopic="yes"
1291 fi
1292 ;;
1293 esac
1294 fi
1295 fi
1296
1297 if ! disabled optimize ; then
1298 add_cflags "-fomit-frame-pointer"
1299 fi
1300
1301 # Can only do AltiVec on PowerPC
1302 if test $altivec = "default"; then
1303 if test $arch = "powerpc"; then
1304 altivec="yes"
1305 else
1306 altivec="no"
1307 fi
1308 fi
1309
1310 # Add processor-specific flags
1311 POWERPCMODE="32bits"
1312 if test $cpu != "generic"; then
1313 warn_altivec_enabled(){
1314 enabled altivec && echo "WARNING: Tuning for $1 but AltiVec enabled.";
1315 }
1316 warn_altivec_disabled(){
1317 disabled altivec && echo "WARNING: Tuning for $1 but AltiVec disabled.";
1318 }
1319 case $cpu in
1320 601|ppc601|PowerPC601)
1321 add_cflags "-mcpu=601"
1322 warn_altivec_enabled PPC601
1323 ;;
1324 603*|ppc603*|PowerPC603*)
1325 add_cflags "-mcpu=603"
1326 warn_altivec_enabled PPC603
1327 ;;
1328 604*|ppc604*|PowerPC604*)
1329 add_cflags "-mcpu=604"
1330 warn_altivec_enabled PPC604
1331 ;;
1332 G3|g3|75*|ppc75*|PowerPC75*)
1333 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1334 warn_altivec_enabled PPC75x
1335 ;;
1336 G4|g4|745*|ppc745*|PowerPC745*)
1337 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1338 warn_altivec_disabled PPC745x
1339 ;;
1340 74*|ppc74*|PowerPC74*)
1341 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1342 warn_altivec_disabled PPC74xx
1343 ;;
1344 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1345 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1346 warn_altivec_disabled PPC970
1347 POWERPCMODE="64bits"
1348 ;;
1349 # targets that do NOT support conditional mov (cmov)
1350 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1351 add_cflags "-march=$cpu"
1352 cmov="no"
1353 ;;
1354 # targets that do support conditional mov (cmov)
1355 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1356 add_cflags "-march=$cpu"
1357 cmov="yes"
1358 fast_cmov="yes"
1359 ;;
1360 # targets that do support conditional mov but on which it's slow
1361 pentium4|prescott|nocona)
1362 add_cflags "-march=$cpu"
1363 cmov="yes"
1364 fast_cmov="no"
1365 ;;
1366 sparc64)
1367 add_cflags "-mcpu=v9"
1368 ;;
1369 *)
1370 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1371 ;;
1372 esac
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 # check for assembler specific support
1406
1407 if test $arch = "powerpc"; then
1408 check_cc <<EOF && dcbzl=yes
1409 int main(void) {
1410 register long zero = 0;
1411 char data[1024];
1412 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1413 return 0;
1414 }
1415 EOF
1416 fi
1417
1418 # check for SIMD availability
1419
1420 # AltiVec flags: The FSF version of GCC differs from the Apple version
1421 if test $arch = "powerpc"; then
1422 if enabled altivec; then
1423 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1424 add_cflags "-faltivec"
1425 else
1426 add_cflags "-maltivec -mabi=altivec"
1427 fi
1428 fi
1429 fi
1430
1431 check_header altivec.h
1432
1433 # check if our compiler supports Motorola AltiVec C API
1434 if enabled altivec; then
1435 if enabled altivec_h; then
1436 inc_altivec_h="#include <altivec.h>"
1437 else
1438 inc_altivec_h=
1439 fi
1440 check_cc <<EOF || altivec=no
1441 $inc_altivec_h
1442 int main(void) {
1443 vector signed int v1, v2, v3;
1444 v1 = vec_add(v2,v3);
1445 return 0;
1446 }
1447 EOF
1448 fi
1449
1450 # check armv5te instructions support
1451 if test $armv5te = "default" -a $arch = "armv4l"; then
1452 armv5te=no
1453 check_cc <<EOF && armv5te=yes
1454 int main(void) {
1455 __asm__ __volatile__ ("qadd r0, r0, r0");
1456 }
1457 EOF
1458 fi
1459
1460 if test $armv6 = "default" -a $arch = "armv4l"; then
1461 check_cc <<EOF && armv6=yes || armv6=no
1462 int main(void) {
1463 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1464 }
1465 EOF
1466 fi
1467
1468 # check iwmmxt support
1469 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1470 iwmmxt=no
1471 check_cc <<EOF && iwmmxt=yes
1472 int main(void) {
1473 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1474 }
1475 EOF
1476 fi
1477
1478 # mmi only available on mips
1479 if test $mmi = "default"; then
1480 if test $arch = "mips"; then
1481 mmi="yes"
1482 else
1483 mmi="no"
1484 fi
1485 fi
1486
1487 # check if our compiler supports mmi
1488 enabled mmi && check_cc <<EOF || mmi="no"
1489 int main(void) {
1490 __asm__ ("lq \$2, 0(\$2)");
1491 return 0;
1492 }
1493 EOF
1494
1495 # ---
1496 # big/little-endian test
1497 if disabled cross_compile; then
1498 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1499 #include <inttypes.h>
1500 int main(int argc, char ** argv){
1501 volatile uint32_t i=0x01234567;
1502 return (*((uint8_t*)(&i))) == 0x67;
1503 }
1504 EOF
1505 else
1506 # programs cannot be launched if cross compiling, so make a static guess
1507 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1508 bigendian="yes"
1509 fi
1510 fi
1511
1512 # ---
1513 # check availability of some header files
1514
1515 check_header malloc.h
1516 check_func memalign
1517
1518 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1519 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1520 fi
1521
1522 check_header byteswap.h
1523
1524 check_func inet_aton
1525 check_func localtime_r
1526 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1527
1528 # check for some common methods of building with pthread support
1529 # do this before the optional library checks as some of them require pthreads
1530 if enabled pthreads; then
1531 if check_func pthread_create; then
1532 :
1533 elif check_func pthread_create -pthread; then
1534 add_cflags -pthread
1535 add_ldflags -pthread
1536 elif check_func pthread_create -pthreads; then
1537 add_cflags -pthreads
1538 add_ldflags -pthreads
1539 elif ! check_lib pthread.h pthread_create -lpthread; then
1540 die "ERROR: can't find pthreads library"
1541 fi
1542 fi
1543
1544 for thread in pthreads beosthreads os2threads w32threads; do
1545 if enabled $thread; then
1546 if ! disabled thread_type ; then
1547 die "ERROR: Only one thread type must be selected."
1548 else
1549 thread_type="$thread"
1550 fi
1551 fi
1552 done
1553
1554 # these are off by default, so fail if requested and not available
1555 enabled libdts && require libdts dts.h dts_init -ldts -lm
1556 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1557 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1558 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1559 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1560 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1561 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1562 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1563 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1564 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1565 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1566
1567 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1568 # the generic test functions
1569 if enabled libfaac; then
1570 save_flags
1571 temp_extralibs -lfaac
1572 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1573 #include <stdint.h>
1574 #include <faac.h>
1575 int main(){
1576 char *id, *cpr;
1577 faacEncGetVersion(&id, &cpr);
1578 return 0;
1579 }
1580 EOF
1581 restore_flags
1582 fi
1583
1584 # Ugh, recent faad2 versions have renamed all functions and #define the
1585 # old names in faad.h. Generic tests won't work.
1586 if enabled libfaad; then
1587 save_flags
1588 temp_extralibs -lfaad
1589 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1590 #include <faad.h>
1591 int main(){
1592 faacDecOpen();
1593 return 0;
1594 }
1595 EOF
1596 restore_flags
1597 fi
1598
1599 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1600 if enabled avisynth; then
1601 save_flags
1602 temp_extralibs -lvfw32
1603 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1604 #include <windows.h>
1605 #include <vfw.h>
1606 int main(){
1607 AVIFileInit();
1608 return 0;
1609 }
1610 EOF
1611 restore_flags
1612 fi
1613
1614
1615 # test for lrintf in math.h
1616 check_exec <<EOF && lrintf=yes || lrintf=no
1617 #define _ISOC9X_SOURCE 1
1618 #include <math.h>
1619 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1620 EOF
1621
1622 _restrict=
1623 for restrict_keyword in restrict __restrict__ __restrict; do
1624 check_cc <<EOF && _restrict=$restrict_keyword && break
1625 void foo(char * $restrict_keyword p);
1626 EOF
1627 done
1628
1629 # dlopen/dlfcn.h probing
1630
1631 check_header dlfcn.h
1632
1633 if check_func dlopen; then
1634 ldl=
1635 elif check_func dlopen -ldl; then
1636 ldl=-ldl
1637 fi
1638
1639 if test "$vhook" = "default"; then
1640 vhook="$dlopen"
1641 fi
1642
1643 if enabled_any vhook liba52bin libfaadbin; then
1644 add_extralibs $ldl
1645 fi
1646
1647 if test "$targetos" = "CYGWIN" && enabled lstatic ; then
1648 vhook="no"
1649 echo
1650 echo "At the moment vhooks don't work on Cygwin static builds."
1651 echo "Patches welcome."
1652 echo
1653 fi
1654
1655 if enabled vhook; then
1656 check_ldflags -rdynamic
1657 check_ldflags -export-dynamic
1658 fi
1659
1660 if enabled audio_beos; then
1661 add_extralibs "-lmedia -lbe"
1662 fi
1663
1664 ##########################################
1665 # imlib check
1666
1667 imlib2=no
1668 if (imlib2-config --version) >/dev/null 2>&1 ; then
1669 temp_cflags `imlib2-config --cflags`
1670 temp_extralibs `imlib2-config --libs`
1671 check_ld <<EOF && imlib2=yes
1672 #include <Imlib2.h>
1673 int main( void ) { return (int) imlib_load_font("foo"); }
1674 EOF
1675 restore_flags
1676 fi
1677
1678 ##########################################
1679 # FreeType check
1680
1681 freetype2=no
1682 if test "x$targetos" != "xBeOS"; then
1683 if (freetype-config --version) >/dev/null 2>&1 ; then
1684 temp_cflags `freetype-config --cflags`
1685 temp_extralibs `freetype-config --libs`
1686 check_ld <<EOF && freetype2=yes
1687 #include <ft2build.h>
1688 int main( void ) { return (int) FT_Init_FreeType(0); }
1689 EOF
1690 restore_flags
1691 fi
1692 fi
1693
1694 ##########################################
1695 # SDL check
1696
1697 sdl_too_old=no
1698 sdl=no
1699 SDL_CONFIG="${cross_prefix}sdl-config"
1700 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1701 temp_cflags `"${SDL_CONFIG}" --cflags`
1702 temp_extralibs `"${SDL_CONFIG}" --libs`
1703 check_ld <<EOF
1704 #include <SDL.h>
1705 #undef main /* We don't want SDL to override our main() */
1706 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1707 EOF
1708 if test $? = 0; then
1709 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1710 if test "$_sdlversion" -lt 121 ; then
1711 sdl_too_old=yes
1712 else
1713 sdl=yes
1714 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1715 #include <SDL.h>
1716 int main(void){
1717 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1718 int w = vi->current_w;
1719 return 0;
1720 }
1721 EOF
1722 fi
1723 fi
1724 restore_flags
1725 fi
1726
1727 enabled sdl || ffplay=no
1728
1729 ##########################################
1730 # texi2html check
1731
1732 texi2html=no
1733 if (texi2html -version) >/dev/null 2>&1; then
1734 texi2html=yes
1735 fi
1736
1737 ##########################################
1738 # IPv6 check
1739
1740 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1741 #include <sys/types.h>
1742 #include <sys/socket.h>
1743 #include <netinet/in.h>
1744 #include <netdb.h>
1745 int main( void ) {
1746 struct sockaddr_storage saddr;
1747 struct ipv6_mreq mreq6;
1748 getaddrinfo(0,0,0,0);
1749 getnameinfo(0,0,0,0,0,0,0);
1750 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1751 }
1752 EOF
1753
1754 enabled video4linux && check_header linux/videodev.h || disable video4linux
1755 enabled video4linux2 && check_header linux/videodev2.h || disable video4linux2
1756
1757 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1758 if enabled bktr; then
1759 check_header dev/bktr/ioctl_meteor.h
1760 check_header dev/bktr/ioctl_bt848.h
1761
1762 check_header machine/ioctl_meteor.h
1763 check_header machine/ioctl_bt848.h
1764
1765 check_header dev/video/meteor/ioctl_meteor.h
1766 check_header dev/video/bktr/ioctl_bt848.h
1767
1768 check_header dev/ic/bt8xx.h
1769 fi
1770
1771 # Deal with the x11 frame grabber
1772 enabled x11grab &&
1773 enabled gpl &&
1774 enabled x11_grab_device_demuxer &&
1775 check_header X11/Xlib.h &&
1776 check_header X11/extensions/XShm.h &&
1777 check_func XOpenDisplay -lX11 &&
1778 check_func XShmCreateImage -lX11 -lXext &&
1779 add_extralibs -lX11 -lXext ||
1780 disable x11_grab_device_demuxer
1781
1782 enabled debug && add_cflags -g
1783
1784 # add some useful compiler flags if supported
1785 check_cflags -Wdeclaration-after-statement
1786 check_cflags -Wall
1787 check_cflags -Wno-switch
1788 check_cflags -Wdisabled-optimization
1789 check_cflags -Wpointer-arith
1790 check_cflags -Wredundant-decls
1791 check_cflags -Wno-pointer-sign
1792 enabled extrawarnings && check_cflags -Winline
1793
1794 # add some linker flags
1795 check_ldflags $LDLATEFLAGS
1796
1797 # not all compilers support -Os
1798 test "$optimize" = "small" && check_cflags -Os
1799
1800 if enabled optimize; then
1801 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1802 add_cflags "-O5"
1803 add_ldflags "-O5"
1804 else
1805 add_cflags "-O3"
1806 fi
1807 fi
1808
1809 # PIC flags for shared library objects where they are needed
1810 if enabled lshared; then
1811 # LIBOBJFLAGS may have already been set in the OS configuration
1812 if test -z "$LIBOBJFLAGS" ; then
1813 case "$arch" in
1814 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1815 esac
1816 fi
1817 fi
1818
1819 if enabled gprof; then
1820 add_cflags "-p"
1821 add_ldflags "-p"
1822 fi
1823
1824 VHOOKCFLAGS="-fPIC $CFLAGS"
1825 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1826
1827 # find if .align arg is power-of-two or not
1828 if test $asmalign_pot = "unknown"; then
1829 asmalign_pot="no"
1830 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1831 fi
1832
1833 echo "install prefix $PREFIX"
1834 echo "source path $source_path"
1835 echo "C compiler $cc"
1836 echo "make $make"
1837 echo ".align is power-of-two $asmalign_pot"
1838 echo "ARCH $arch ($cpu)"
1839 if test "$BUILDSUF" != ""; then
1840 echo "build suffix $BUILDSUF"
1841 fi
1842 echo "big-endian $bigendian"
1843 if test $arch = "x86_32" -o $arch = "x86_64"; then
1844 echo "MMX enabled $mmx"
1845 echo "CMOV enabled $cmov"
1846 echo "CMOV is fast $fast_cmov"
1847 fi
1848 if test $arch = "armv4l"; then
1849 echo "ARMv5TE enabled $armv5te"
1850 echo "ARMv6 enabled $armv6"
1851 echo "IWMMXT enabled $iwmmxt"
1852 fi
1853 if test $arch = "mips"; then
1854 echo "MMI enabled $mmi"
1855 fi
1856 if test $arch = "powerpc"; then
1857 echo "AltiVec enabled $altivec"
1858 echo "dcbzl available $dcbzl"
1859 fi
1860 echo "gprof enabled $gprof"
1861 echo "debug symbols $debug"
1862 echo "strip symbols $dostrip"
1863 echo "optimize $optimize"
1864 echo "static $lstatic"
1865 echo "shared $lshared"
1866 echo "postprocessing support $pp"
1867 echo "software scaler enabled $swscaler"
1868 echo "video hooking $vhook"
1869 if enabled vhook; then
1870 echo "Imlib2 support $imlib2"
1871 echo "FreeType support $freetype2"
1872 fi
1873 echo "network support $network"
1874 if enabled network; then
1875 echo "IPv6 support $ipv6"
1876 fi
1877 echo "threading support $thread_type"
1878 echo "SDL support $sdl"
1879 if enabled sdl_too_old; then
1880 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1881 fi
1882 echo "Sun medialib support $mlib"
1883 echo "AVISynth enabled $avisynth"
1884 echo "liba52 support $liba52"
1885 echo "liba52 dlopened $liba52bin"
1886 echo "libdts support $libdts"
1887 echo "libfaac enabled $libfaac"
1888 echo "libfaad enabled $libfaad"
1889 echo "faadbin enabled $libfaadbin"
1890 echo "libgsm enabled $libgsm"
1891 echo "libmp3lame enabled $libmp3lame"
1892 echo "libnut enabled $libnut"
1893 echo "libogg enabled $libogg"
1894 echo "libtheora enabled $libtheora"
1895 echo "libvorbis enabled $libvorbis"
1896 echo "x264 enabled $x264"
1897 echo "XviD enabled $xvid"
1898 echo "zlib enabled $zlib"
1899 echo "AMR-NB float support $amr_nb"
1900 echo "AMR-NB fixed support $amr_nb_fixed"
1901 echo "AMR-WB float support $amr_wb"
1902 echo "AMR-WB IF2 support $amr_if2"
1903 if disabled gpl; then
1904 echo "License: LGPL"
1905 else
1906 echo "License: GPL"
1907 fi
1908
1909 echo "Creating config.mak and config.h..."
1910
1911 echo "# Automatically generated by configure - do not modify!" > config.mak
1912 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1913 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1914
1915 echo "PREFIX=$PREFIX" >> config.mak
1916 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1917 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1918 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1919 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1920 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1921 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1922 echo "MAKE=$make" >> config.mak
1923 echo "CC=$cc" >> config.mak
1924 echo "AR=$ar" >> config.mak
1925 echo "RANLIB=$ranlib" >> config.mak
1926 if enabled dostrip; then
1927 echo "STRIP=$strip" >> config.mak
1928 else
1929 echo "STRIP=echo ignoring strip" >> config.mak
1930 fi
1931
1932 echo "OPTFLAGS=$CFLAGS" >> config.mak
1933 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1934 echo "LDFLAGS=$LDFLAGS" >> config.mak
1935 echo "LDCONFIG=$LDCONFIG" >> config.mak
1936 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1937 echo "SHFLAGS=$SHFLAGS" >> config.mak
1938 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1939 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1940 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1941 echo "BUILD_STATIC=$lstatic" >> config.mak
1942 echo "BUILDSUF=$BUILDSUF" >> config.mak
1943 echo "LIBPREF=$LIBPREF" >> config.mak
1944 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1945 if enabled lstatic; then
1946 echo "LIB=$LIB" >> config.mak
1947 else # Some Make complain if this variable does not exist.
1948 echo "LIB=" >> config.mak
1949 fi
1950 echo "SLIBPREF=$SLIBPREF" >> config.mak
1951 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1952 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1953 echo "TARGET_OS=$targetos" >> config.mak
1954
1955 ucarch=`toupper $arch`
1956 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1957 echo "#define ARCH_${ucarch} 1" >> $TMPH
1958
1959 # special cases
1960 case "$arch" in
1961 x86_32|x86_64)
1962 echo "TARGET_ARCH_X86=yes" >> config.mak
1963 echo "#define ARCH_X86 1" >> $TMPH
1964 ;;
1965 powerpc)
1966 if test "$POWERPCMODE" = "64bits"; then
1967 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1968 fi
1969 if enabled powerpc_perf; then
1970 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1971 fi
1972 ;;
1973 sparc64)
1974 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1975 echo "#define ARCH_SPARC 1" >> $TMPH
1976 ;;
1977 esac
1978
1979 if enabled bigendian; then
1980 echo "WORDS_BIGENDIAN=yes" >> config.mak
1981 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1982 fi
1983 if enabled mmx; then
1984 echo "#define __CPU__ 586" >> $TMPH
1985 fi
1986
1987 if enabled sdl; then
1988 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1989 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1990 fi
1991 if enabled texi2html; then
1992 echo "BUILD_DOC=yes" >> config.mak
1993 fi
1994
1995 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1996 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1997 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1998 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1999 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2000
2001
2002
2003 if enabled lshared; then
2004 echo "BUILD_SHARED=yes" >> config.mak
2005 echo "PIC=-fPIC -DPIC" >> config.mak
2006 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2007 echo "SPPVERSION=$pp_version" >> config.mak
2008 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2009 echo "LAVCVERSION=$lavc_version" >> config.mak
2010 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2011 echo "LAVFVERSION=$lavf_version" >> config.mak
2012 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2013 echo "LAVUVERSION=$lavu_version" >> config.mak
2014 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2015 echo "SWSVERSION=$sws_version" >> config.mak
2016 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2017 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2018 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2019 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2020 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2021 fi
2022 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2023 echo "EXTRALIBS=$extralibs" >> config.mak
2024
2025 enabled_any $ENCODER_LIST && enable encoders
2026 enabled_any $DECODER_LIST && enable decoders
2027 enabled_any $MUXER_LIST && enable muxers
2028 enabled_any $DEMUXER_LIST && enable demuxers
2029
2030 enabled_any pthreads beosthreads os2threads w32threads && enable threads
2031
2032 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
2033 $DEMUXER_LIST $MUXER_LIST
2034
2035 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2036 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2037 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2038
2039 if test "$targetos" = "Darwin"; then
2040 echo "#define CONFIG_DARWIN 1" >> $TMPH
2041 fi
2042
2043 echo "#define restrict $_restrict" >> $TMPH
2044
2045 if test "$optimize" = "small"; then
2046 echo "#define always_inline" >> $TMPH
2047 echo "#define CONFIG_SMALL 1" >> $TMPH
2048 fi
2049
2050 echo "SRC_PATH=\"$source_path\"" >> config.mak
2051 echo "SRC_PATH_BARE=$source_path" >> config.mak
2052 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2053
2054 if enabled amr_if2; then
2055 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2056 fi
2057
2058 # Apparently it's not possible to portably echo a backslash.
2059 if enabled asmalign_pot; then
2060 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2061 else
2062 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2063 fi
2064
2065
2066 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2067 ucname="`toupper $codec`"
2068 config_name="CONFIG_$ucname"
2069 enabled_name="ENABLE_$ucname"
2070 if enabled $codec; then
2071 echo "#define $config_name 1" >> $TMPH
2072 echo "#define $enabled_name 1" >> $TMPH
2073 echo "$config_name=yes" >> config.mak
2074 else
2075 echo "#define $enabled_name 0" >> $TMPH
2076 fi
2077 done
2078
2079 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2080 if ! cmp -s $TMPH config.h; then
2081 mv -f $TMPH config.h
2082 else
2083 echo "config.h is unchanged"
2084 fi
2085
2086 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2087
2088 # build tree in object directory if source path is different from current one
2089 if enabled source_path_used; then
2090 DIRS="\
2091 doc \
2092 libavformat \
2093 libavcodec \
2094 libavcodec/alpha \
2095 libavcodec/armv4l \
2096 libavcodec/bfin \
2097 libavcodec/i386 \
2098 libavcodec/sparc \
2099 libavcodec/mlib \
2100 libavcodec/ppc \
2101 libavcodec/liba52 \
2102 libavcodec/amr \
2103 libavcodec/amr_float \
2104 libavcodec/amrwb_float \
2105 libpostproc \
2106 libavutil \
2107 libswscale \
2108 tests \
2109 vhook \
2110 "
2111 FILES="\
2112 Makefile \
2113 common.mak \
2114 libavformat/Makefile \
2115 libavcodec/Makefile \
2116 libpostproc/Makefile \
2117 libavutil/Makefile \
2118 libswscale/Makefile \
2119 tests/Makefile \
2120 vhook/Makefile \
2121 doc/Makefile \
2122 doc/texi2pod.pl \
2123 "
2124 for dir in $DIRS ; do
2125 mkdir -p $dir
2126 done
2127 for f in $FILES ; do
2128 ln -sf "$source_path/$f" $f
2129 done
2130 fi
2131
2132
2133 # build pkg-config files
2134 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2135
2136 pkgconfig_generate(){
2137 name=$1
2138 comment=$2
2139 version=$3
2140 libs=$4
2141 requires=$5
2142 include=$6
2143 cat <<EOF >$name.pc
2144 prefix=$PREFIX
2145 exec_prefix=\${prefix}
2146 libdir=\${exec_prefix}/lib
2147 includedir=\${prefix}/include
2148
2149 Name: $name
2150 Description: $comment
2151 Version: $version
2152 Requires: $requires
2153 Conflicts:
2154 Libs: -L\${libdir} $libs
2155 Cflags: -I\${includedir} -I\${includedir}/$include
2156 EOF
2157 }
2158
2159 pkgconfig_generate_uninstalled(){
2160 name=$1
2161 shortname=${name#lib}
2162 comment=$2
2163 version=$3
2164 libs=$4
2165 requires=$5
2166 cat <<EOF >$name-uninstalled.pc
2167 prefix=
2168 exec_prefix=
2169 libdir=\${pcfiledir}/$name
2170 includedir=\${pcfiledir}/$name
2171
2172 Name: $name
2173 Description: $comment
2174 Version: $version
2175 Requires: $requires
2176 Conflicts:
2177 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2178 Cflags: -I\${includedir}
2179 EOF
2180 }
2181
2182 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2183 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2184
2185 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2186 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2187
2188 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2189 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2190
2191 if enabled pp; then
2192 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2193 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2194 fi
2195
2196 if enabled swscaler; then
2197 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2198 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2199 else
2200 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2201 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2202 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2203 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2204 fi