52f55b3d35307f235c5644161f1bc50c2f4f4e3c
[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 nut_muxer_deps="libnut"
566 ogg_muxer_deps="libogg"
567 redir_demuxer_deps="network"
568 rtp_muxer_deps="network"
569 rtsp_demuxer_deps="network"
570 sdp_demuxer_deps="network"
571 v4l2_demuxer_deps="video4linux2"
572 video_grab_device_demuxer_deps_any="video4linux bktr"
573 x11_grab_device_demuxer_deps="x11grab"
574
575 # set temporary file name
576 if test ! -z "$TMPDIR" ; then
577 TMPDIR1="${TMPDIR}"
578 elif test ! -z "$TEMPDIR" ; then
579 TMPDIR1="${TEMPDIR}"
580 else
581 TMPDIR1="/tmp"
582 fi
583
584 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
585 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
586 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
587 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
588 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
589
590 # default parameters
591 logging="yes"
592 logfile="config.err"
593 PREFIX="/usr/local"
594 libdir='${PREFIX}/lib'
595 shlibdir="$libdir"
596 incdir='${PREFIX}/include/ffmpeg'
597 mandir='${PREFIX}/man'
598 bindir='${PREFIX}/bin'
599 cross_prefix=""
600 cross_compile="no"
601 cc="gcc"
602 ar="ar"
603 ranlib="ranlib"
604 make="make"
605 strip="strip"
606 arch=`uname -m`
607 cpu="generic"
608 powerpc_perf="no"
609 mmx="default"
610 cmov="no"
611 fast_cmov="no"
612 armv5te="default"
613 armv6="default"
614 iwmmxt="default"
615 altivec="default"
616 dcbzl="no"
617 mmi="default"
618 case "$arch" in
619 i386|i486|i586|i686|i86pc|BePC)
620 arch="x86_32"
621 ;;
622 x86_64|amd64)
623 arch="x86_32"
624 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
625 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
626 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
627 arch="x86_64"
628 fi
629 fi
630 ;;
631 # armv4l is a subset of armv[567]*l
632 arm|armv[4567]*l)
633 arch="armv4l"
634 ;;
635 alpha)
636 arch="alpha"
637 ;;
638 "Power Macintosh"|ppc|ppc64|powerpc)
639 arch="powerpc"
640 ;;
641 mips|mipsel|IP*)
642 arch="mips"
643 ;;
644 sun4u|sparc64)
645 arch="sparc64"
646 ;;
647 sparc)
648 arch="sparc"
649 ;;
650 sh4)
651 arch="sh4"
652 ;;
653 parisc|parisc64)
654 arch="parisc"
655 ;;
656 s390|s390x)
657 arch="s390"
658 ;;
659 m68k)
660 arch="m68k"
661 ;;
662 ia64)
663 arch="ia64"
664 ;;
665 bfin)
666 arch="bfin"
667 ;;
668 *)
669 arch="unknown"
670 ;;
671 esac
672 gprof="no"
673 video4linux="yes"
674 video4linux2="yes"
675 bktr="no"
676 audio_oss="yes"
677 audio_beos="no"
678 x11grab="no"
679 dv1394="yes"
680 dc1394="no"
681 network="yes"
682 ipv6="yes"
683 zlib="yes"
684 liba52="no"
685 liba52bin="no"
686 libdts="no"
687 libfaac="no"
688 libfaad="no"
689 libfaadbin="no"
690 libgsm="no"
691 libmp3lame="no"
692 libnut="no"
693 libogg="no"
694 libtheora="no"
695 libvorbis="no"
696 xvid="no"
697 x264="no"
698 pp="no"
699 mingw32="no"
700 wince="no"
701 os2="no"
702 lstatic="yes"
703 lshared="no"
704 optimize="yes"
705 debug="yes"
706 extrawarnings="no"
707 dostrip="yes"
708 extralibs="-lm"
709 bigendian="no"
710 vhook="default"
711 avisynth="no"
712 dlfcn_h="no"
713 dlopen="no"
714 mpegaudio_hp="yes"
715 SHFLAGS='-shared -Wl,-soname,$@'
716 VHOOKSHFLAGS='$(SHFLAGS)'
717 beos_netserver="no"
718 protocols="yes"
719 ffmpeg="yes"
720 ffserver="yes"
721 ffplay="yes"
722 LIBOBJFLAGS=""
723 FFLDFLAGS=-Wl,--warn-common
724 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
725 FFSERVERLDFLAGS=-Wl,-E
726 LDCONFIG="ldconfig"
727 LIBPREF="lib"
728 LIBSUF=".a"
729 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
730 SLIBPREF="lib"
731 SLIBSUF=".so"
732 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
733 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
734 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
735 EXESUF=""
736 BUILDSUF=""
737 amr_nb="no"
738 amr_wb="no"
739 amr_nb_fixed="no"
740 amr_if2="no"
741 mlib="no"
742 beosthreads="no"
743 os2threads="no"
744 pthreads="no"
745 w32threads="no"
746 thread_type="no"
747 swscaler="no"
748 gpl="no"
749 memalign_hack="no"
750 asmalign_pot="unknown"
751 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
752
753 # OS specific
754 targetos=`uname -s`
755 case $targetos in
756 BeOS)
757 PREFIX="/boot/home/config"
758 # helps building libavcodec
759 add_cflags "-DPIC -fomit-frame-pointer"
760 # 3 gcc releases known for BeOS, each with ugly bugs
761 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
762 case "$gcc_version" in
763 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
764 mmx="no"
765 ;;
766 *20010315*) echo "BeBits gcc"
767 add_cflags "-fno-expensive-optimizations"
768 ;;
769 esac
770 SHFLAGS=-nostart
771 # disable Linux things
772 audio_oss="no"
773 video4linux="no"
774 video4linux2="no"
775 dv1394="no"
776 # enable BeOS things
777 audio_beos="yes"
778 # no need for libm, but the inet stuff
779 # Check for BONE
780 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
781 extralibs="-lbind -lsocket"
782 else
783 beos_netserver="yes"
784 extralibs="-lnet"
785 fi ;;
786 SunOS)
787 video4linux="no"
788 video4linux2="no"
789 audio_oss="no"
790 dv1394="no"
791 make="gmake"
792 FFLDFLAGS=""
793 FFSERVERLDFLAGS=""
794 SHFLAGS="-shared -Wl,-h,\$@"
795 add_extralibs "-lsocket -lnsl"
796 ;;
797 NetBSD)
798 video4linux="no"
799 video4linux2="no"
800 bktr="yes"
801 audio_oss="yes"
802 dv1394="no"
803 make="gmake"
804 add_extralibs "-lossaudio"
805 ;;
806 OpenBSD)
807 video4linux="no"
808 video4linux2="no"
809 bktr="yes"
810 audio_oss="yes"
811 dv1394="no"
812 need_memalign="no"
813 make="gmake"
814 LIBOBJFLAGS="\$(PIC)"
815 LDCONFIG="ldconfig -m \$(shlibdir)"
816 SHFLAGS='-shared'
817 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
818 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
819 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
820 add_extralibs "-lossaudio"
821 ;;
822 FreeBSD)
823 video4linux="no"
824 video4linux2="no"
825 bktr="yes"
826 audio_oss="yes"
827 dv1394="no"
828 make="gmake"
829 need_memalign="no"
830 add_cflags "-pthread"
831 ;;
832 GNU/kFreeBSD)
833 video4linux="no"
834 video4linux2="no"
835 bktr="yes"
836 audio_oss="yes"
837 dv1394="no"
838 add_cflags "-pthread"
839 ;;
840 BSD/OS)
841 video4linux="no"
842 video4linux2="no"
843 bktr="yes"
844 audio_oss="yes"
845 dv1394="no"
846 extralibs="-lpoll -lgnugetopt -lm"
847 make="gmake"
848 strip="strip -d"
849 ;;
850 Darwin)
851 cc="cc"
852 video4linux="no"
853 video4linux2="no"
854 audio_oss="no"
855 dv1394="no"
856 need_memalign="no"
857 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
858 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
859 extralibs=""
860 strip="strip -x"
861 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
862 SLIBSUF=".dylib"
863 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
864 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
865 FFSERVERLDFLAGS=-Wl,-bind_at_load
866 ;;
867 MINGW32*)
868 # Note: the rest of the mingw32 config is done afterwards as mingw32
869 # can be forced on the command line for Linux cross compilation.
870 mingw32="yes"
871 ;;
872 CYGWIN*)
873 targetos=CYGWIN
874 shlibdir="$bindir"
875 video4linux="no"
876 video4linux2="no"
877 audio_oss="yes"
878 dv1394="no"
879 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
880 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
881 extralibs=""
882 EXESUF=".exe"
883 SLIBPREF="cyg"
884 SLIBSUF=".dll"
885 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
886 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
887 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
888 ;;
889 Linux)
890 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
891 ;;
892 IRIX*)
893 targetos=IRIX
894 ranlib="echo ignoring ranlib"
895 video4linux="no"
896 video4linux2="no"
897 audio_oss="no"
898 make="gmake"
899 ;;
900 OS/2)
901 TMPE=$TMPE".exe"
902 ar="emxomfar -p128"
903 ranlib="echo ignoring ranlib"
904 strip="echo ignoring strip"
905 add_cflags "-Zomf"
906 FFLDFLAGS="-Zomf -Zstack 16384 -s"
907 SHFLAGS="-Zdll -Zomf"
908 FFSERVERLDFLAGS=""
909 LIBPREF=""
910 LIBSUF=".lib"
911 SLIBPREF=""
912 SLIBSUF=".dll"
913 EXESUF=".exe"
914 extralibs=""
915 pkg_requires=""
916 video4linux="no"
917 video4linux2="no"
918 audio_oss="no"
919 dv1394="no"
920 ffserver="no"
921 vhook="no"
922 os2="yes"
923 ;;
924 *)
925 targetos="${targetos}-UNKNOWN"
926 ;;
927 esac
928
929 # find source path
930 source_path="`dirname \"$0\"`"
931 source_path_used="yes"
932 if test -z "$source_path" -o "$source_path" = "." ; then
933 source_path="`pwd`"
934 source_path_used="no"
935 else
936 source_path="`cd \"$source_path\"; pwd`"
937 echo "$source_path" | grep -q '[[:blank:]]' &&
938 die "Out of tree builds are impossible with whitespace in source path."
939 fi
940
941 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
942 show_help
943 fi
944
945 FFMPEG_CONFIGURATION=" "
946 for opt do
947 FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "
948 done
949
950 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
951 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
952 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
953 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
954 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
955
956 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
957
958 for opt do
959 optval="${opt#*=}"
960 case "$opt" in
961 --log)
962 ;;
963 --log=*) logging="$optval"
964 ;;
965 --prefix=*) PREFIX="$optval"
966 ;;
967 --libdir=*) libdir="$optval"
968 ;;
969 --shlibdir=*) shlibdir="$optval"
970 ;;
971 --incdir=*) incdir="$optval"
972 ;;
973 --mandir=*) mandir="$optval"
974 ;;
975 --source-path=*) source_path="$optval"
976 ;;
977 --cross-prefix=*) cross_prefix="$optval"
978 ;;
979 --cross-compile) cross_compile=yes
980 ;;
981 --cc=*) cc="$optval"
982 ;;
983 --make=*) make="$optval"
984 ;;
985 --extra-cflags=*) add_cflags "$optval"
986 ;;
987 --extra-ldflags=*) add_ldflags "$optval"
988 ;;
989 --extra-libs=*) add_extralibs "$optval"
990 ;;
991 --build-suffix=*) BUILDSUF="$optval"
992 ;;
993 --arch=*) arch="$optval"
994 ;;
995 --cpu=*) cpu="$optval"
996 ;;
997 --powerpc-perf-enable) powerpc_perf="yes"
998 ;;
999 --disable-mmx) mmx="no"
1000 ;;
1001 --disable-armv5te) armv5te="no"
1002 ;;
1003 --disable-armv6) armv6="no"
1004 ;;
1005 --disable-iwmmxt) iwmmxt="no"
1006 ;;
1007 --disable-altivec) altivec="no"
1008 ;;
1009 --enable-gprof) gprof="yes"
1010 ;;
1011 --disable-v4l) video4linux="no"
1012 ;;
1013 --disable-v4l2) video4linux2="no"
1014 ;;
1015 --disable-bktr) bktr="no"
1016 ;;
1017 --disable-audio-oss) audio_oss="no"
1018 ;;
1019 --disable-audio-beos) audio_beos="no"
1020 ;;
1021 --disable-dv1394) dv1394="no"
1022 ;;
1023 --disable-network) network="no"; ffserver="no"
1024 ;;
1025 --disable-ipv6) ipv6="no";
1026 ;;
1027 --disable-zlib) zlib="no"
1028 ;;
1029 --enable-a52) liba52="yes"
1030 ;;
1031 --enable-a52bin) liba52bin="yes"
1032 ;;
1033 --enable-dts) libdts="yes"
1034 ;;
1035 --enable-pp) pp="yes"
1036 ;;
1037 --enable-libgsm) libgsm="yes"
1038 ;;
1039 --enable-mp3lame) libmp3lame="yes"
1040 ;;
1041 --enable-libnut) libnut="yes"
1042 ;;
1043 --enable-libogg) libogg="yes"
1044 pkg_requires="$pkg_requires ogg >= 1.1"
1045 ;;
1046 --enable-libtheora) libtheora="yes"
1047 pkg_requires="$pkg_requires theora"
1048 ;;
1049 --enable-vorbis) libvorbis="yes"
1050 pkg_requires="$pkg_requires vorbis vorbisenc"
1051 ;;
1052 --enable-faad) libfaad="yes"
1053 ;;
1054 --enable-faadbin) libfaadbin="yes"
1055 ;;
1056 --enable-faac) libfaac="yes"
1057 ;;
1058 --enable-xvid) xvid="yes"
1059 ;;
1060 --enable-x264) x264="yes"
1061 ;;
1062 --enable-avisynth) avisynth="yes";
1063 ;;
1064 --enable-x11grab) x11grab="yes";
1065 ;;
1066 --enable-dc1394) dc1394="yes"
1067 pkg_requires="$pkg_requires libraw1394"
1068 ;;
1069 --disable-vhook) vhook="no"
1070 ;;
1071 --enable-mingw32) mingw32="yes"
1072 ;;
1073 --enable-mingwce) wince="yes"
1074 ;;
1075 --enable-static) lstatic="yes"
1076 ;;
1077 --disable-static) lstatic="no"
1078 ;;
1079 --enable-shared) lshared="yes"
1080 ;;
1081 --disable-shared) lshared="no"
1082 ;;
1083 --disable-debug) debug="no"
1084 ;;
1085 --disable-opts) optimize="no"
1086 ;;
1087 --enable-extra-warnings) extrawarnings="yes"
1088 ;;
1089 --disable-mpegaudio-hp) mpegaudio_hp="no"
1090 ;;
1091 --disable-protocols) protocols="no"; network="no"; ffserver="no"
1092 ;;
1093 --disable-ffmpeg) ffmpeg="no"
1094 ;;
1095 --disable-ffserver) ffserver="no"
1096 ;;
1097 --disable-ffplay) ffplay="no"
1098 ;;
1099 --enable-small) optimize="small"
1100 ;;
1101 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1102 ;;
1103 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1104 ;;
1105 --enable-amr_wb) amr="yes"; amr_wb="yes"
1106 ;;
1107 --enable-amr_if2) amr="yes"; amr_if2="yes"
1108 ;;
1109 --enable-sunmlib) mlib="yes"
1110 ;;
1111 --enable-pthreads) pthreads="yes"
1112 ;;
1113 --enable-w32threads) w32threads="yes"
1114 ;;
1115 --enable-beosthreads) beosthreads="yes"
1116 ;;
1117 --enable-os2threads) os2threads="yes"
1118 ;;
1119 --enable-swscaler) swscaler="yes"
1120 ;;
1121 --enable-gpl) gpl="yes"
1122 ;;
1123 --enable-memalign-hack) memalign_hack="yes"
1124 ;;
1125 --disable-strip) dostrip="no"
1126 ;;
1127 --enable-encoder=*) enable ${optval}_encoder
1128 ;;
1129 --enable-decoder=*) enable ${optval}_decoder
1130 ;;
1131 --disable-encoder=*) disable ${optval}_encoder
1132 ;;
1133 --disable-decoder=*) disable ${optval}_decoder
1134 ;;
1135 --disable-encoders) disable $ENCODER_LIST
1136 ;;
1137 --disable-decoders) disable $DECODER_LIST
1138 ;;
1139 --enable-muxer=*) enable ${optval}_muxer
1140 ;;
1141 --disable-muxer=*) disable ${optval}_muxer
1142 ;;
1143 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1144 ;;
1145 --enable-demuxer=*) enable ${optval}_demuxer
1146 ;;
1147 --disable-demuxer=*) disable ${optval}_demuxer
1148 ;;
1149 --disable-demuxers) disable $DEMUXER_LIST
1150 ;;
1151 --enable-parser=*) enable ${optval}_parser
1152 ;;
1153 --disable-parser=*) disable ${optval}_parser
1154 ;;
1155 --disable-parsers) disable $PARSER_LIST
1156 ;;
1157 --help) show_help
1158 ;;
1159 *)
1160 echo "Unknown option \"$opt\"."
1161 echo "See $0 --help for available options."
1162 exit 1
1163 ;;
1164 esac
1165 done
1166
1167 if ! disabled logging ; then
1168 enabled logging || logfile="$logging"
1169 echo "# $0 $@" >$logfile
1170 set >>$logfile
1171 else
1172 logfile=/dev/null
1173 fi
1174
1175 if enabled_any mingw32 wince; then
1176 if enabled_all lshared lstatic; then
1177 cat <<EOF
1178 You can only build one library type at once on MinGW.
1179 Specify --disable-static --enable-shared to only build
1180 the shared libraries. To build only the static libraries
1181 you do not need to pass additional options.
1182 EOF
1183 exit 1
1184 fi
1185 video4linux="no"
1186 video4linux2="no"
1187 audio_oss="no"
1188 dv1394="no"
1189 dc1394="no"
1190 ffserver="no"
1191 network="no"
1192 if enabled wince; then
1193 protocols="no"
1194 fi
1195 SLIBPREF=""
1196 SLIBSUF=".dll"
1197 EXESUF=".exe"
1198 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1199 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1200 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1201 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1202 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1203 fi
1204
1205 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1206 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1207
1208 test -n "$cross_prefix" && cross_compile=yes
1209 cc="${cross_prefix}${cc}"
1210 ar="${cross_prefix}${ar}"
1211 ranlib="${cross_prefix}${ranlib}"
1212 strip="${cross_prefix}${strip}"
1213
1214 # we need to build at least one lib type
1215 if disabled_all lstatic lshared; then
1216 cat <<EOF
1217 At least one library type must be built.
1218 Specify --enable-static to build the static libraries or --enable-shared to
1219 build the shared libraries as well. To only build the shared libraries specify
1220 --disable-static in addition to --enable-shared.
1221 EOF
1222 exit 1;
1223 fi
1224
1225 if enabled libtheora && disabled libogg; then
1226 die "libogg must be enabled to enable libtheora."
1227 fi
1228
1229 if enabled libvorbis && disabled libogg; then
1230 die "libogg must be enabled to enable libvorbis."
1231 fi
1232
1233 if disabled gpl ; then
1234 if enabled pp; then
1235 die "The Postprocessing code is under GPL and --enable-gpl is not specified."
1236 fi
1237
1238 if enabled_any liba52 liba52bin ; then
1239 die "liba52 is under GPL and --enable-gpl is not specified."
1240 fi
1241
1242 if enabled xvid; then
1243 die "libxvidcore is under GPL and --enable-gpl is not specified."
1244 fi
1245
1246 if enabled x264; then
1247 die "x264 is under GPL and --enable-gpl is not specified."
1248 fi
1249
1250 if enabled libdts; then
1251 die "libdts is under GPL and --enable-gpl is not specified."
1252 fi
1253
1254 if enabled_any libfaad libfaadbin ; then
1255 if check_header faad.h; then
1256 check_cc << EOF
1257 #include <faad.h>
1258 #ifndef FAAD2_VERSION
1259 ok faad1
1260 #endif
1261 int main( void ) { return 0; }
1262 EOF
1263 if test $? = 0 ; then
1264 die "FAAD2 is under GPL and --enable-gpl is not specified."
1265 fi
1266 else
1267 libfaad="no"
1268 libfaadbin="no"
1269 echo "FAAD test failed."
1270 fi
1271 fi
1272
1273 if enabled x11grab; then
1274 die "The X11 grabber is under GPL and --enable-gpl is not specified."
1275 fi
1276
1277 if enabled swscaler; then
1278 die "The software scaler is under GPL and --enable-gpl is not specified."
1279 fi
1280 fi
1281
1282 # compute MMX state
1283 if test $mmx = "default"; then
1284 if test $arch = "x86_32" -o $arch = "x86_64"; then
1285 mmx="yes"
1286 else
1287 mmx="no"
1288 fi
1289 fi
1290
1291 test -z "$need_memalign" && need_memalign="$mmx"
1292
1293 #Darwin CC versions
1294 needmdynamicnopic="no"
1295 if test $targetos = Darwin; then
1296 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1297 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1298 else
1299 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1300 case "$gcc_version" in
1301 *2.95*)
1302 add_cflags "-no-cpp-precomp -pipe"
1303 ;;
1304 *[34].*)
1305 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1306 if disabled lshared; then
1307 needmdynamicnopic="yes"
1308 fi
1309 ;;
1310 *)
1311 add_cflags "-no-cpp-precomp -pipe"
1312 if disabled lshared; then
1313 needmdynamicnopic="yes"
1314 fi
1315 ;;
1316 esac
1317 fi
1318 fi
1319
1320 if ! disabled optimize ; then
1321 add_cflags "-fomit-frame-pointer"
1322 fi
1323
1324 # Can only do AltiVec on PowerPC
1325 if test $altivec = "default"; then
1326 if test $arch = "powerpc"; then
1327 altivec="yes"
1328 else
1329 altivec="no"
1330 fi
1331 fi
1332
1333 # Add processor-specific flags
1334 POWERPCMODE="32bits"
1335 if test $cpu != "generic"; then
1336 warn_altivec_enabled(){
1337 enabled altivec && echo "WARNING: Tuning for $1 but AltiVec enabled.";
1338 }
1339 warn_altivec_disabled(){
1340 disabled altivec && echo "WARNING: Tuning for $1 but AltiVec disabled.";
1341 }
1342 case $cpu in
1343 601|ppc601|PowerPC601)
1344 add_cflags "-mcpu=601"
1345 warn_altivec_enabled PPC601
1346 ;;
1347 603*|ppc603*|PowerPC603*)
1348 add_cflags "-mcpu=603"
1349 warn_altivec_enabled PPC603
1350 ;;
1351 604*|ppc604*|PowerPC604*)
1352 add_cflags "-mcpu=604"
1353 warn_altivec_enabled PPC604
1354 ;;
1355 G3|g3|75*|ppc75*|PowerPC75*)
1356 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1357 warn_altivec_enabled PPC75x
1358 ;;
1359 G4|g4|745*|ppc745*|PowerPC745*)
1360 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1361 warn_altivec_disabled PPC745x
1362 ;;
1363 74*|ppc74*|PowerPC74*)
1364 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1365 warn_altivec_disabled PPC74xx
1366 ;;
1367 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1368 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1369 warn_altivec_disabled PPC970
1370 POWERPCMODE="64bits"
1371 ;;
1372 # targets that do NOT support conditional mov (cmov)
1373 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1374 add_cflags "-march=$cpu"
1375 cmov="no"
1376 ;;
1377 # targets that do support conditional mov (cmov)
1378 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1379 add_cflags "-march=$cpu"
1380 cmov="yes"
1381 fast_cmov="yes"
1382 ;;
1383 # targets that do support conditional mov but on which it's slow
1384 pentium4|prescott|nocona)
1385 add_cflags "-march=$cpu"
1386 cmov="yes"
1387 fast_cmov="no"
1388 ;;
1389 sparc64)
1390 add_cflags "-mcpu=v9"
1391 ;;
1392 *)
1393 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1394 ;;
1395 esac
1396 fi
1397
1398 # make sure we can execute files in $TMPDIR
1399 cat >$TMPE 2>>$logfile <<EOF
1400 #! /bin/sh
1401 EOF
1402 chmod +x $TMPE >>$logfile 2>&1
1403 if ! $TMPE >>$logfile 2>&1; then
1404 cat <<EOF
1405 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1406 variable to another directory and make sure that $TMPDIR1 is not mounted
1407 noexec.
1408 EOF
1409 die "Sanity test failed."
1410 fi
1411 rm $TMPE
1412
1413 # compiler sanity check
1414 check_exec <<EOF
1415 int main(){
1416 return 0;
1417 }
1418 EOF
1419 if test "$?" != 0; then
1420 echo "$cc is unable to create an executable file."
1421 if test -z "$cross_prefix" -a "$cross_compile" = no; then
1422 echo "If $cc is a cross-compiler, use the --cross-compile option."
1423 echo "Only do this if you know what cross compiling means."
1424 fi
1425 die "C compiler test failed."
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 test $arch = "powerpc"; then
1445 if enabled altivec; then
1446 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1447 add_cflags "-faltivec"
1448 else
1449 add_cflags "-maltivec -mabi=altivec"
1450 fi
1451 fi
1452 fi
1453
1454 check_header altivec.h
1455
1456 # check if our compiler supports Motorola AltiVec C API
1457 if enabled altivec; then
1458 if enabled altivec_h; then
1459 inc_altivec_h="#include <altivec.h>"
1460 else
1461 inc_altivec_h=
1462 fi
1463 check_cc <<EOF || altivec=no
1464 $inc_altivec_h
1465 int main(void) {
1466 vector signed int v1, v2, v3;
1467 v1 = vec_add(v2,v3);
1468 return 0;
1469 }
1470 EOF
1471 fi
1472
1473 # check armv5te instructions support
1474 if test $armv5te = "default" -a $arch = "armv4l"; then
1475 armv5te=no
1476 check_cc <<EOF && armv5te=yes
1477 int main(void) {
1478 __asm__ __volatile__ ("qadd r0, r0, r0");
1479 }
1480 EOF
1481 fi
1482
1483 if test $armv6 = "default" -a $arch = "armv4l"; then
1484 check_cc <<EOF && armv6=yes || armv6=no
1485 int main(void) {
1486 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1487 }
1488 EOF
1489 fi
1490
1491 # check iwmmxt support
1492 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1493 iwmmxt=no
1494 check_cc <<EOF && iwmmxt=yes
1495 int main(void) {
1496 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1497 }
1498 EOF
1499 fi
1500
1501 # mmi only available on mips
1502 if test $mmi = "default"; then
1503 if test $arch = "mips"; then
1504 mmi="yes"
1505 else
1506 mmi="no"
1507 fi
1508 fi
1509
1510 # check if our compiler supports mmi
1511 enabled mmi && check_cc <<EOF || mmi="no"
1512 int main(void) {
1513 __asm__ ("lq \$2, 0(\$2)");
1514 return 0;
1515 }
1516 EOF
1517
1518 # ---
1519 # big/little-endian test
1520 if disabled cross_compile; then
1521 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1522 #include <inttypes.h>
1523 int main(int argc, char ** argv){
1524 volatile uint32_t i=0x01234567;
1525 return (*((uint8_t*)(&i))) == 0x67;
1526 }
1527 EOF
1528 else
1529 # programs cannot be launched if cross compiling, so make a static guess
1530 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1531 bigendian="yes"
1532 fi
1533 fi
1534
1535 # ---
1536 # check availability of some header files
1537
1538 check_header malloc.h
1539 check_func memalign
1540
1541 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1542 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1543 fi
1544
1545 check_header byteswap.h
1546
1547 check_func inet_aton
1548 check_func localtime_r
1549 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1550
1551 # check for some common methods of building with pthread support
1552 # do this before the optional library checks as some of them require pthreads
1553 if enabled pthreads; then
1554 if check_func pthread_create; then
1555 :
1556 elif check_func pthread_create -pthread; then
1557 add_cflags -pthread
1558 add_ldflags -pthread
1559 elif check_func pthread_create -pthreads; then
1560 add_cflags -pthreads
1561 add_ldflags -pthreads
1562 elif ! check_lib pthread.h pthread_create -lpthread; then
1563 die "ERROR: can't find pthreads library"
1564 fi
1565 fi
1566
1567 for thread in pthreads beosthreads os2threads w32threads; do
1568 if enabled $thread; then
1569 if ! disabled thread_type ; then
1570 die "ERROR: Only one thread type must be selected."
1571 else
1572 thread_type="$thread"
1573 fi
1574 fi
1575 done
1576
1577 # these are off by default, so fail if requested and not available
1578 enabled libdts && require libdts dts.h dts_init -ldts -lm
1579 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1580 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1581 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1582 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1583 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1584 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1585 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1586 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1587 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1588 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1589
1590 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1591 # the generic test functions
1592 if enabled libfaac; then
1593 save_flags
1594 temp_extralibs -lfaac
1595 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1596 #include <stdint.h>
1597 #include <faac.h>
1598 int main(){
1599 char *id, *cpr;
1600 faacEncGetVersion(&id, &cpr);
1601 return 0;
1602 }
1603 EOF
1604 restore_flags
1605 fi
1606
1607 # Ugh, recent faad2 versions have renamed all functions and #define the
1608 # old names in faad.h. Generic tests won't work.
1609 if enabled libfaad; then
1610 save_flags
1611 temp_extralibs -lfaad
1612 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1613 #include <faad.h>
1614 int main(){
1615 faacDecOpen();
1616 return 0;
1617 }
1618 EOF
1619 restore_flags
1620 fi
1621
1622 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1623 if enabled avisynth; then
1624 save_flags
1625 temp_extralibs -lvfw32
1626 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1627 #include <windows.h>
1628 #include <vfw.h>
1629 int main(){
1630 AVIFileInit();
1631 return 0;
1632 }
1633 EOF
1634 restore_flags
1635 fi
1636
1637
1638 # test for lrintf in math.h
1639 check_exec <<EOF && lrintf=yes || lrintf=no
1640 #define _ISOC9X_SOURCE 1
1641 #include <math.h>
1642 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1643 EOF
1644
1645 _restrict=
1646 for restrict_keyword in restrict __restrict__ __restrict; do
1647 check_cc <<EOF && _restrict=$restrict_keyword && break
1648 void foo(char * $restrict_keyword p);
1649 EOF
1650 done
1651
1652 # dlopen/dlfcn.h probing
1653
1654 check_header dlfcn.h
1655
1656 if check_func dlopen; then
1657 ldl=
1658 elif check_func dlopen -ldl; then
1659 ldl=-ldl
1660 fi
1661
1662 if test "$vhook" = "default"; then
1663 vhook="$dlopen"
1664 fi
1665
1666 if enabled_any vhook liba52bin libfaadbin; then
1667 add_extralibs $ldl
1668 fi
1669
1670 if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
1671 vhook="no"
1672 echo
1673 echo "At the moment vhooks don't work on Cygwin static builds."
1674 echo "Patches welcome."
1675 echo
1676 fi
1677
1678 if enabled vhook; then
1679 check_ldflags -rdynamic
1680 check_ldflags -export-dynamic
1681 fi
1682
1683 if enabled audio_beos; then
1684 add_extralibs "-lmedia -lbe"
1685 fi
1686
1687 ##########################################
1688 # imlib check
1689
1690 temp_extralibs -lImlib2
1691 check_ld <<EOF && imlib2=yes || imlib2=no
1692 #include <X11/Xlib.h>
1693 #include <Imlib2.h>
1694 int main( void ) { return (int) imlib_load_font("foo"); }
1695 EOF
1696 restore_flags
1697
1698 ##########################################
1699 # FreeType check
1700
1701 freetype2=no
1702 if test "x$targetos" != "xBeOS"; then
1703 if (freetype-config --version) >/dev/null 2>&1 ; then
1704 temp_cflags `freetype-config --cflags`
1705 temp_extralibs `freetype-config --libs`
1706 check_ld <<EOF && freetype2=yes
1707 #include <ft2build.h>
1708 int main( void ) { return (int) FT_Init_FreeType(0); }
1709 EOF
1710 restore_flags
1711 fi
1712 fi
1713
1714 ##########################################
1715 # SDL check
1716
1717 sdl_too_old=no
1718 sdl=no
1719 SDL_CONFIG="${cross_prefix}sdl-config"
1720 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1721 temp_cflags `"${SDL_CONFIG}" --cflags`
1722 temp_extralibs `"${SDL_CONFIG}" --libs`
1723 check_ld <<EOF
1724 #include <SDL.h>
1725 #undef main /* We don't want SDL to override our main() */
1726 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1727 EOF
1728 if test $? = 0; then
1729 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1730 if test "$_sdlversion" -lt 121 ; then
1731 sdl_too_old=yes
1732 else
1733 sdl=yes
1734 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1735 #include <SDL.h>
1736 int main(void){
1737 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1738 int w = vi->current_w;
1739 return 0;
1740 }
1741 EOF
1742 fi
1743 fi
1744 restore_flags
1745 fi
1746
1747 enabled sdl || ffplay=no
1748
1749 ##########################################
1750 # texi2html check
1751
1752 texi2html=no
1753 if (texi2html -version) >/dev/null 2>&1; then
1754 texi2html=yes
1755 fi
1756
1757 ##########################################
1758 # IPv6 check
1759
1760 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1761 #include <sys/types.h>
1762 #include <sys/socket.h>
1763 #include <netinet/in.h>
1764 #include <netdb.h>
1765 int main( void ) {
1766 struct sockaddr_storage saddr;
1767 struct ipv6_mreq mreq6;
1768 getaddrinfo(0,0,0,0);
1769 getnameinfo(0,0,0,0,0,0,0);
1770 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1771 }
1772 EOF
1773
1774 # check for video4linux2 --- V4L2_PIX_FMT_YUV420
1775 enabled video4linux2 && check_cc <<EOF || video4linux2="no"
1776 #include <sys/time.h>
1777 #include <asm/types.h>
1778 #include <linux/videodev2.h>
1779 int dummy = V4L2_PIX_FMT_YUV420;
1780 struct v4l2_buffer dummy1;
1781 EOF
1782
1783 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1784 if enabled bktr; then
1785 check_header dev/bktr/ioctl_meteor.h
1786 check_header dev/bktr/ioctl_bt848.h
1787
1788 check_header machine/ioctl_meteor.h
1789 check_header machine/ioctl_bt848.h
1790
1791 check_header dev/video/meteor/ioctl_meteor.h
1792 check_header dev/video/bktr/ioctl_bt848.h
1793
1794 check_header dev/ic/bt8xx.h
1795 fi
1796
1797 # Deal with the x11 frame grabber
1798 enabled x11grab &&
1799 enabled gpl &&
1800 enabled x11_grab_device_demuxer &&
1801 check_header X11/Xlib.h &&
1802 check_header X11/extensions/XShm.h &&
1803 check_func XOpenDisplay -lX11 &&
1804 check_func XShmCreateImage -lX11 -lXext &&
1805 add_extralibs -lX11 -lXext ||
1806 disable x11_grab_device_demuxer
1807
1808 enabled debug && add_cflags -g
1809
1810 # add some useful compiler flags if supported
1811 check_cflags -Wdeclaration-after-statement
1812 check_cflags -Wall
1813 check_cflags -Wno-switch
1814 check_cflags -Wdisabled-optimization
1815 check_cflags -Wpointer-arith
1816 check_cflags -Wredundant-decls
1817 check_cflags -Wno-pointer-sign
1818 enabled extrawarnings && check_cflags -Winline
1819
1820 # add some linker flags
1821 check_ldflags $LDLATEFLAGS
1822
1823 # not all compilers support -Os
1824 test "$optimize" = "small" && check_cflags -Os
1825
1826 if enabled optimize; then
1827 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1828 add_cflags "-O5"
1829 add_ldflags "-O5"
1830 else
1831 add_cflags "-O3"
1832 fi
1833 fi
1834
1835 # PIC flags for shared library objects where they are needed
1836 if enabled lshared; then
1837 # LIBOBJFLAGS may have already been set in the OS configuration
1838 if test -z "$LIBOBJFLAGS" ; then
1839 case "$arch" in
1840 x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
1841 esac
1842 fi
1843 fi
1844
1845 if enabled gprof; then
1846 add_cflags "-p"
1847 add_ldflags "-p"
1848 fi
1849
1850 VHOOKCFLAGS="-fPIC $CFLAGS"
1851 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1852
1853 # find if .align arg is power-of-two or not
1854 if test $asmalign_pot = "unknown"; then
1855 asmalign_pot="no"
1856 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1857 fi
1858
1859 echo "install prefix $PREFIX"
1860 echo "source path $source_path"
1861 echo "C compiler $cc"
1862 echo "make $make"
1863 echo ".align is power-of-two $asmalign_pot"
1864 echo "ARCH $arch ($cpu)"
1865 if test "$BUILDSUF" != ""; then
1866 echo "build suffix $BUILDSUF"
1867 fi
1868 echo "big-endian $bigendian"
1869 if test $arch = "x86_32" -o $arch = "x86_64"; then
1870 echo "MMX enabled $mmx"
1871 echo "CMOV enabled $cmov"
1872 echo "CMOV is fast $fast_cmov"
1873 fi
1874 if test $arch = "armv4l"; then
1875 echo "ARMv5TE enabled $armv5te"
1876 echo "ARMv6 enabled $armv6"
1877 echo "IWMMXT enabled $iwmmxt"
1878 fi
1879 if test $arch = "mips"; then
1880 echo "MMI enabled $mmi"
1881 fi
1882 if test $arch = "powerpc"; then
1883 echo "AltiVec enabled $altivec"
1884 echo "dcbzl available $dcbzl"
1885 fi
1886 echo "gprof enabled $gprof"
1887 echo "debug symbols $debug"
1888 echo "strip symbols $dostrip"
1889 echo "optimize $optimize"
1890 echo "static $lstatic"
1891 echo "shared $lshared"
1892 echo "postprocessing support $pp"
1893 echo "software scaler enabled $swscaler"
1894 echo "video hooking $vhook"
1895 if enabled vhook; then
1896 echo "Imlib2 support $imlib2"
1897 echo "FreeType support $freetype2"
1898 fi
1899 echo "network support $network"
1900 if enabled network; then
1901 echo "IPv6 support $ipv6"
1902 fi
1903 echo "threading support $thread_type"
1904 echo "SDL support $sdl"
1905 if enabled sdl_too_old; then
1906 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1907 fi
1908 echo "Sun medialib support $mlib"
1909 echo "AVISynth enabled $avisynth"
1910 echo "liba52 support $liba52"
1911 echo "liba52 dlopened $liba52bin"
1912 echo "libdts support $libdts"
1913 echo "libfaac enabled $libfaac"
1914 echo "libfaad enabled $libfaad"
1915 echo "faadbin enabled $libfaadbin"
1916 echo "libgsm enabled $libgsm"
1917 echo "libmp3lame enabled $libmp3lame"
1918 echo "libnut enabled $libnut"
1919 echo "libogg enabled $libogg"
1920 echo "libtheora enabled $libtheora"
1921 echo "libvorbis enabled $libvorbis"
1922 echo "x264 enabled $x264"
1923 echo "XviD enabled $xvid"
1924 echo "zlib enabled $zlib"
1925 echo "AMR-NB float support $amr_nb"
1926 echo "AMR-NB fixed support $amr_nb_fixed"
1927 echo "AMR-WB float support $amr_wb"
1928 echo "AMR-WB IF2 support $amr_if2"
1929 if disabled gpl; then
1930 echo "License: LGPL"
1931 else
1932 echo "License: GPL"
1933 fi
1934
1935 echo "Creating config.mak and config.h..."
1936
1937 echo "# Automatically generated by configure - do not modify!" > config.mak
1938 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1939 echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH
1940
1941 echo "PREFIX=$PREFIX" >> config.mak
1942 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1943 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1944 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1945 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1946 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1947 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1948 echo "MAKE=$make" >> config.mak
1949 echo "CC=$cc" >> config.mak
1950 echo "AR=$ar" >> config.mak
1951 echo "RANLIB=$ranlib" >> config.mak
1952 if enabled dostrip; then
1953 echo "STRIP=$strip" >> config.mak
1954 else
1955 echo "STRIP=echo ignoring strip" >> config.mak
1956 fi
1957
1958 echo "OPTFLAGS=$CFLAGS" >> config.mak
1959 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1960 echo "LDFLAGS=$LDFLAGS" >> config.mak
1961 echo "LDCONFIG=$LDCONFIG" >> config.mak
1962 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1963 echo "SHFLAGS=$SHFLAGS" >> config.mak
1964 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1965 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1966 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1967 echo "BUILD_STATIC=$lstatic" >> config.mak
1968 echo "BUILDSUF=$BUILDSUF" >> config.mak
1969 echo "LIBPREF=$LIBPREF" >> config.mak
1970 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1971 if enabled lstatic; then
1972 echo "LIB=$LIB" >> config.mak
1973 else # Some Make complain if this variable does not exist.
1974 echo "LIB=" >> config.mak
1975 fi
1976 echo "SLIBPREF=$SLIBPREF" >> config.mak
1977 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1978 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1979 echo "TARGET_OS=$targetos" >> config.mak
1980
1981 ucarch=`toupper $arch`
1982 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1983 echo "#define ARCH_${ucarch} 1" >> $TMPH
1984
1985 # special cases
1986 case "$arch" in
1987 x86_32|x86_64)
1988 echo "TARGET_ARCH_X86=yes" >> config.mak
1989 echo "#define ARCH_X86 1" >> $TMPH
1990 ;;
1991 powerpc)
1992 if test "$POWERPCMODE" = "64bits"; then
1993 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1994 fi
1995 if enabled powerpc_perf; then
1996 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1997 fi
1998 ;;
1999 sparc64)
2000 echo "TARGET_ARCH_SPARC=yes" >> config.mak
2001 echo "#define ARCH_SPARC 1" >> $TMPH
2002 ;;
2003 esac
2004
2005 if enabled bigendian; then
2006 echo "WORDS_BIGENDIAN=yes" >> config.mak
2007 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2008 fi
2009 if enabled mmx; then
2010 echo "#define __CPU__ 586" >> $TMPH
2011 fi
2012
2013 if enabled sdl; then
2014 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2015 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2016 fi
2017 if enabled texi2html; then
2018 echo "BUILD_DOC=yes" >> config.mak
2019 fi
2020
2021 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
2022 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
2023 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
2024 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
2025 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2026
2027
2028
2029 if enabled lshared; then
2030 echo "BUILD_SHARED=yes" >> config.mak
2031 echo "PIC=-fPIC -DPIC" >> config.mak
2032 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2033 echo "SPPVERSION=$pp_version" >> config.mak
2034 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2035 echo "LAVCVERSION=$lavc_version" >> config.mak
2036 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2037 echo "LAVFVERSION=$lavf_version" >> config.mak
2038 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2039 echo "LAVUVERSION=$lavu_version" >> config.mak
2040 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2041 echo "SWSVERSION=$sws_version" >> config.mak
2042 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2043 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2044 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2045 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2046 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2047 fi
2048 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2049 echo "EXTRALIBS=$extralibs" >> config.mak
2050
2051 enabled_any $ENCODER_LIST && enable encoders
2052 enabled_any $DECODER_LIST && enable decoders
2053 enabled_any $MUXER_LIST && enable muxers
2054 enabled_any $DEMUXER_LIST && enable demuxers
2055
2056 enabled_any pthreads beosthreads os2threads w32threads && enable threads
2057
2058 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
2059 $DEMUXER_LIST $MUXER_LIST
2060
2061 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2062 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2063 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2064
2065 if test "$targetos" = "Darwin"; then
2066 echo "#define CONFIG_DARWIN 1" >> $TMPH
2067 fi
2068
2069 echo "#define restrict $_restrict" >> $TMPH
2070
2071 if test "$optimize" = "small"; then
2072 echo "#define always_inline" >> $TMPH
2073 echo "#define CONFIG_SMALL 1" >> $TMPH
2074 fi
2075
2076 echo "SRC_PATH=\"$source_path\"" >> config.mak
2077 echo "SRC_PATH_BARE=$source_path" >> config.mak
2078 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2079
2080 if enabled amr_if2; then
2081 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2082 fi
2083
2084 # Apparently it's not possible to portably echo a backslash.
2085 if enabled asmalign_pot; then
2086 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2087 else
2088 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2089 fi
2090
2091
2092 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2093 ucname="`toupper $codec`"
2094 config_name="CONFIG_$ucname"
2095 enabled_name="ENABLE_$ucname"
2096 if enabled $codec; then
2097 echo "#define $config_name 1" >> $TMPH
2098 echo "#define $enabled_name 1" >> $TMPH
2099 echo "$config_name=yes" >> config.mak
2100 else
2101 echo "#define $enabled_name 0" >> $TMPH
2102 fi
2103 done
2104
2105 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2106 if ! cmp -s $TMPH config.h; then
2107 mv -f $TMPH config.h
2108 else
2109 echo "config.h is unchanged"
2110 fi
2111
2112 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2113
2114 # build tree in object directory if source path is different from current one
2115 if enabled source_path_used; then
2116 DIRS="\
2117 doc \
2118 libavformat \
2119 libavcodec \
2120 libavcodec/alpha \
2121 libavcodec/armv4l \
2122 libavcodec/bfin \
2123 libavcodec/i386 \
2124 libavcodec/sparc \
2125 libavcodec/mlib \
2126 libavcodec/ppc \
2127 libavcodec/liba52 \
2128 libavcodec/amr \
2129 libavcodec/amr_float \
2130 libavcodec/amrwb_float \
2131 libpostproc \
2132 libavutil \
2133 libswscale \
2134 tests \
2135 vhook \
2136 "
2137 FILES="\
2138 Makefile \
2139 common.mak \
2140 libavformat/Makefile \
2141 libavcodec/Makefile \
2142 libpostproc/Makefile \
2143 libavutil/Makefile \
2144 libswscale/Makefile \
2145 tests/Makefile \
2146 vhook/Makefile \
2147 doc/Makefile \
2148 doc/texi2pod.pl \
2149 "
2150 for dir in $DIRS ; do
2151 mkdir -p $dir
2152 done
2153 for f in $FILES ; do
2154 ln -sf "$source_path/$f" $f
2155 done
2156 fi
2157
2158
2159 # build pkg-config files
2160 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2161
2162 pkgconfig_generate(){
2163 name=$1
2164 comment=$2
2165 version=$3
2166 libs=$4
2167 requires=$5
2168 include=$6
2169 cat <<EOF >$name.pc
2170 prefix=$PREFIX
2171 exec_prefix=\${prefix}
2172 libdir=\${exec_prefix}/lib
2173 includedir=\${prefix}/include
2174
2175 Name: $name
2176 Description: $comment
2177 Version: $version
2178 Requires: $requires
2179 Conflicts:
2180 Libs: -L\${libdir} $libs
2181 Cflags: -I\${includedir} -I\${includedir}/$include
2182 EOF
2183 }
2184
2185 pkgconfig_generate_uninstalled(){
2186 name=$1
2187 shortname=${name#lib}
2188 comment=$2
2189 version=$3
2190 libs=$4
2191 requires=$5
2192 cat <<EOF >$name-uninstalled.pc
2193 prefix=
2194 exec_prefix=
2195 libdir=\${pcfiledir}/$name
2196 includedir=\${pcfiledir}/$name
2197
2198 Name: $name
2199 Description: $comment
2200 Version: $version
2201 Requires: $requires
2202 Conflicts:
2203 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2204 Cflags: -I\${includedir}
2205 EOF
2206 }
2207
2208 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2209 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2210
2211 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2212 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2213
2214 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2215 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2216
2217 if enabled pp; then
2218 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2219 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2220 fi
2221
2222 if enabled swscaler; then
2223 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2224 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2225 else
2226 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2227 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2228 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2229 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2230 fi