typo
[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-mp3lame enable MP3 encoding via libmp3lame [default=no]"
66 echo " --enable-libnut enable NUT support via libnut [default=no]"
67 echo " --enable-libogg enable Ogg support via libogg [default=no]"
68 echo " --enable-vorbis enable Vorbis support via libvorbis [default=no]"
69 echo " --enable-faad enable FAAD support via libfaad [default=no]"
70 echo " --enable-faadbin build FAAD support with runtime linking [default=no]"
71 echo " --enable-faac enable FAAC support via libfaac [default=no]"
72 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
73 echo " --enable-xvid enable XviD support via xvidcore [default=no]"
74 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
75 echo " --enable-mingw32 enable MinGW native/cross Windows compile"
76 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
77 echo " --enable-a52 enable GPLed A52 support [default=no]"
78 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
79 echo " --enable-dts enable GPLed DTS support [default=no]"
80 echo " --enable-pp enable GPLed postprocessing support [default=no]"
81 echo " --enable-static build static libraries [default=yes]"
82 echo " --disable-static do not build static libraries [default=no]"
83 echo " --enable-shared build shared libraries [default=no]"
84 echo " --disable-shared do not build shared libraries [default=yes]"
85 echo " --enable-amr_nb enable amr_nb float audio codec"
86 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
87 echo " --enable-amr_wb enable amr_wb float audio codec"
88 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
89 echo " --enable-sunmlib use Sun medialib [default=no]"
90 echo " --enable-pthreads use pthreads [default=no]"
91 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
92 echo " and libraw1394 [default=no]"
93 echo " --enable-swscaler software scaler support [default=no]"
94 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
95 echo " --enable-gpl allow use of GPL code, the resulting libav*"
96 echo " and ffmpeg will be under GPL [default=no]"
97 echo ""
98 echo "Advanced options (experts only):"
99 echo " --source-path=PATH path to source code [$source_path]"
100 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
101 echo " --cross-compile assume a cross-compiler is used"
102 echo " --cc=CC use C compiler CC [$cc]"
103 echo " --make=MAKE use specified make [$make]"
104 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
105 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
106 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
107 echo " --build-suffix=SUFFIX suffix for application specific build []"
108 echo " --arch=ARCH select architecture [$arch]"
109 echo " --cpu=CPU selects the minimum cpu required (affects
110 instruction selection, may crash on older CPUs)"
111 echo " --powerpc-perf-enable enable performance report on PPC"
112 echo " (requires enabling PMC)"
113 echo " --disable-mmx disable MMX usage"
114 echo " --disable-armv5te disable armv5te usage"
115 echo " --disable-iwmmxt disable iwmmxt usage"
116 echo " --disable-altivec disable AltiVec usage"
117 echo " --disable-audio-oss disable OSS audio support [default=no]"
118 echo " --disable-audio-beos disable BeOS audio support [default=no]"
119 echo " --disable-v4l disable video4linux grabbing [default=no]"
120 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
121 echo " --disable-bktr disable bktr video grabbing [default=no]"
122 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
123 echo " --disable-network disable network support [default=no]"
124 echo " --disable-ipv6 disable ipv6 support [default=no]"
125 echo " --disable-zlib disable zlib [default=no]"
126 echo " --disable-vhook disable video hooking support"
127 echo " --enable-gprof enable profiling with gprof [$gprof]"
128 echo " --disable-debug disable debugging symbols"
129 echo " --disable-opts disable compiler optimizations"
130 echo " --enable-extra-warnings enable more compiler warnings"
131 echo " --disable-mpegaudio-hp faster (but less accurate)"
132 echo " MPEG audio decoding [default=no]"
133 echo " --disable-protocols disable I/O protocols support [default=no]"
134 echo " --disable-ffmpeg disable ffmpeg build"
135 echo " --disable-ffserver disable ffserver build"
136 echo " --disable-ffplay disable ffplay build"
137 echo " --enable-small optimize for size instead of speed"
138 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
139 echo " --disable-strip disable stripping of executables and shared libraries"
140 echo " --disable-encoder=NAME disables encoder NAME"
141 echo " --enable-encoder=NAME enables encoder NAME"
142 echo " --disable-decoder=NAME disables decoder NAME"
143 echo " --enable-decoder=NAME enables decoder NAME"
144 echo " --disable-encoders disables all encoders"
145 echo " --disable-decoders disables all decoders"
146 echo " --disable-muxer=NAME disables muxer NAME"
147 echo " --enable-muxer=NAME enables muxer NAME"
148 echo " --disable-muxers disables all muxers"
149 echo " --disable-demuxer=NAME disables demuxer NAME"
150 echo " --enable-demuxer=NAME enables demuxer NAME"
151 echo " --disable-demuxers disables all demuxers"
152 echo " --enable-parser=NAME enables parser NAME"
153 echo " --disable-parser=NAME disables parser NAME"
154 echo " --disable-parsers disables all parsers"
155 echo ""
156 echo "NOTE: Object files are built at the place where configure is launched."
157 exit 1
158 }
159
160 log(){
161 echo "$@" >>$logfile
162 }
163
164 log_file(){
165 log BEGIN $1
166 cat -n $1 >>$logfile
167 log END $1
168 }
169
170 echolog(){
171 log "$@"
172 echo "$@"
173 }
174
175 die(){
176 echolog "$@"
177 cat <<EOF
178 If you think configure made a mistake, make sure you are using the latest
179 version from SVN. If the latest version fails, report the problem to the
180 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
181 EOF
182 if enabled logging; then
183 cat <<EOF
184 Include the log file "$logfile" produced by configure as this will help
185 solving the problem.
186 EOF
187 else
188 cat <<EOF
189 Rerun configure with logging enabled (do not use --log=no), and include the
190 log this produces with your report.
191 EOF
192 fi
193 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
194 exit 1
195 }
196
197 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
198 toupper(){
199 echo "$@" | tr '[a-z]' '[A-Z]'
200 }
201
202 set_all(){
203 value=$1
204 shift
205 for var in $*; do
206 eval $var=$value
207 done
208 }
209
210 enable(){
211 set_all yes $*
212 }
213
214 disable(){
215 set_all no $*
216 }
217
218 enabled(){
219 eval test "x\$$1" = "xyes"
220 }
221
222 enabled_all(){
223 for opt; do
224 enabled $opt || return 1
225 done
226 }
227
228 enabled_any(){
229 for opt; do
230 enabled $opt && return 0
231 done
232 }
233
234 print_config(){
235 pfx=$1
236 header=$2
237 makefile=$3
238 shift 3
239 for cfg; do
240 if enabled $cfg; then
241 ucname="${pfx}`toupper $cfg`"
242 echo "#define ${ucname} 1" >> $header
243 echo "${ucname}=yes" >> $makefile
244 fi
245 done
246 }
247
248 flags_saved(){
249 (: ${SAVE_CFLAGS?}) 2>/dev/null
250 }
251
252 save_flags(){
253 flags_saved && return
254 SAVE_CFLAGS="$CFLAGS"
255 SAVE_LDFLAGS="$LDFLAGS"
256 SAVE_extralibs="$extralibs"
257 }
258
259 restore_flags(){
260 CFLAGS="$SAVE_CFLAGS"
261 LDFLAGS="$SAVE_LDFLAGS"
262 extralibs="$SAVE_extralibs"
263 unset SAVE_CFLAGS
264 unset SAVE_LDFLAGS
265 unset SAVE_extralibs
266 }
267
268 temp_cflags(){
269 save_flags
270 CFLAGS="$CFLAGS $*"
271 }
272
273 temp_ldflags(){
274 save_flags
275 LDFLAGS="$LDFLAGS $*"
276 }
277
278 temp_extralibs(){
279 save_flags
280 extralibs="$extralibs $*"
281 }
282
283 append(){
284 var=$1
285 shift
286 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
287 eval "$var=\"\$$var $*\""
288 }
289
290 add_cflags(){
291 append CFLAGS "$@"
292 }
293
294 add_ldflags(){
295 append LDFLAGS "$@"
296 }
297
298 add_extralibs(){
299 append extralibs "$@"
300 }
301
302 check_cmd(){
303 log "$@"
304 "$@" >>$logfile 2>&1
305 }
306
307 check_cc(){
308 log check_cc "$@"
309 cat >$TMPC
310 log_file $TMPC
311 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
312 }
313
314 check_cpp(){
315 log check_cpp "$@"
316 cat >$TMPC
317 log_file $TMPC
318 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
319 }
320
321 check_ld(){
322 log check_ld "$@"
323 check_cc || return
324 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
325 }
326
327 check_cflags(){
328 log check_cflags "$@"
329 check_cc "$@" <<EOF && add_cflags "$@"
330 int x;
331 EOF
332 }
333
334 check_ldflags(){
335 log check_ldflags "$@"
336 check_ld "$@" <<EOF && add_ldflags "$@"
337 int main(){
338 return 0;
339 }
340 EOF
341 }
342
343 check_header(){
344 log check_header "$@"
345 header=$1
346 shift
347 check_cpp "$@" <<EOF
348 #include <$header>
349 int x;
350 EOF
351 err=$?
352 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
353 test "$err" = 0 && enable $var || disable $var
354 return $err
355 }
356
357 check_func(){
358 log check_func "$@"
359 func=$1
360 shift
361 check_ld "$@" <<EOF
362 extern int $func();
363 int main(){
364 $func();
365 }
366 EOF
367 err=$?
368 test "$err" = 0 && enable $func || disable $func
369 return $err
370 }
371
372 check_lib(){
373 log check_lib "$@"
374 header="$1"
375 func="$2"
376 shift 2
377 temp_extralibs "$@"
378 check_header $header && check_func $func && add_extralibs "$@"
379 err=$?
380 restore_flags
381 return $err
382 }
383
384 check_exec(){
385 check_ld "$@" && { test "$cross_compile" = yes || $TMPE >>$logfile 2>&1; }
386 }
387
388 require(){
389 name="$1"
390 header="$2"
391 func="$3"
392 shift 3
393 check_lib $header $func "$@" || die "ERROR: $name not found"
394 }
395
396 CONFIG_LIST='
397 encoders
398 decoders
399 parsers
400 muxers
401 demuxers
402 a52
403 a52bin
404 amr
405 amr_nb
406 amr_nb_fixed
407 amr_wb
408 audio_beos
409 audio_oss
410 avisynth
411 beos_netserver
412 bktr
413 dc1394
414 dts
415 dv1394
416 faac
417 faad
418 faadbin
419 ffmpeg
420 ffplay
421 ffserver
422 gpl
423 ipv6
424 libgsm
425 libnut
426 libogg
427 libvorbis
428 memalign_hack
429 mp3lame
430 mpegaudio_hp
431 network
432 pp
433 protocols
434 swscaler
435 vhook
436 video4linux
437 video4linux2
438 wince
439 x264
440 xvid
441 zlib
442 '
443
444 HAVE_LIST='
445 altivec_h
446 beosthreads
447 byteswap_h
448 dcbzl
449 dlfcn_h
450 dlopen
451 freetype2
452 gprof
453 imlib2
454 inet_aton
455 localtime_r
456 lrintf
457 malloc_h
458 memalign
459 mlib
460 os2
461 os2threads
462 pthreads
463 sdl
464 sdl_video_size
465 threads
466 w32threads
467 '
468
469 # set temporary file name
470 if test ! -z "$TMPDIR" ; then
471 TMPDIR1="${TMPDIR}"
472 elif test ! -z "$TEMPDIR" ; then
473 TMPDIR1="${TEMPDIR}"
474 else
475 TMPDIR1="/tmp"
476 fi
477
478 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
479 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
480 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
481 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
482 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
483
484 # default parameters
485 logging="yes"
486 logfile="config.err"
487 PREFIX="/usr/local"
488 libdir='${PREFIX}/lib'
489 shlibdir="$libdir"
490 incdir='${PREFIX}/include/ffmpeg'
491 mandir='${PREFIX}/man'
492 bindir='${PREFIX}/bin'
493 cross_prefix=""
494 cross_compile="no"
495 cc="gcc"
496 ar="ar"
497 ranlib="ranlib"
498 make="make"
499 strip="strip"
500 arch=`uname -m`
501 cpu="generic"
502 powerpc_perf="no"
503 mmx="default"
504 cmov="no"
505 cmov_is_fast="no"
506 armv5te="default"
507 iwmmxt="default"
508 altivec="default"
509 dcbzl="no"
510 mmi="default"
511 case "$arch" in
512 i386|i486|i586|i686|i86pc|BePC)
513 arch="x86_32"
514 ;;
515 x86_64|amd64)
516 arch="x86_32"
517 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
518 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
519 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
520 arch="x86_64"
521 fi
522 fi
523 ;;
524 # armv4l is a subset of armv[567]*l
525 arm|armv[4567]*l)
526 arch="armv4l"
527 ;;
528 alpha)
529 arch="alpha"
530 ;;
531 "Power Macintosh"|ppc|ppc64|powerpc)
532 arch="powerpc"
533 ;;
534 mips|mipsel|IP*)
535 arch="mips"
536 ;;
537 sun4u|sparc64)
538 arch="sparc64"
539 ;;
540 sparc)
541 arch="sparc"
542 ;;
543 sh4)
544 arch="sh4"
545 ;;
546 parisc|parisc64)
547 arch="parisc"
548 ;;
549 s390|s390x)
550 arch="s390"
551 ;;
552 m68k)
553 arch="m68k"
554 ;;
555 ia64)
556 arch="ia64"
557 ;;
558 bfin)
559 arch="bfin"
560 ;;
561 *)
562 arch="unknown"
563 ;;
564 esac
565 gprof="no"
566 video4linux="yes"
567 video4linux2="yes"
568 bktr="no"
569 audio_oss="yes"
570 audio_beos="no"
571 dv1394="yes"
572 dc1394="no"
573 network="yes"
574 ipv6="yes"
575 zlib="yes"
576 libgsm="no"
577 mp3lame="no"
578 libnut="no"
579 libogg="no"
580 libvorbis="no"
581 faad="no"
582 faadbin="no"
583 faac="no"
584 xvid="no"
585 x264="no"
586 a52="no"
587 a52bin="no"
588 dts="no"
589 pp="no"
590 mingw32="no"
591 wince="no"
592 os2="no"
593 lstatic="yes"
594 lshared="no"
595 optimize="yes"
596 debug="yes"
597 extrawarnings="no"
598 dostrip="yes"
599 installstrip="-s"
600 extralibs="-lm"
601 bigendian="no"
602 vhook="default"
603 avisynth="no"
604 dlfcn_h="no"
605 dlopen="no"
606 mpegaudio_hp="yes"
607 SHFLAGS='-shared -Wl,-soname,$@'
608 VHOOKSHFLAGS='$(SHFLAGS)'
609 beos_netserver="no"
610 protocols="yes"
611 ffmpeg="yes"
612 ffserver="yes"
613 ffplay="yes"
614 LIBOBJFLAGS=""
615 FFLDFLAGS=-Wl,--warn-common
616 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
617 FFSERVERLDFLAGS=-Wl,-E
618 LDCONFIG="ldconfig"
619 LIBPREF="lib"
620 LIBSUF=".a"
621 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
622 SLIBPREF="lib"
623 SLIBSUF=".so"
624 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
625 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
626 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
627 EXESUF=""
628 BUILDSUF=""
629 amr_nb="no"
630 amr_wb="no"
631 amr_nb_fixed="no"
632 amr_if2="no"
633 mlib="no"
634 pthreads="no"
635 swscaler="no"
636 gpl="no"
637 memalign_hack="no"
638 asmalign_pot="unknown"
639 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
640
641 # OS specific
642 targetos=`uname -s`
643 case $targetos in
644 BeOS)
645 PREFIX="/boot/home/config"
646 # helps building libavcodec
647 add_cflags "-DPIC -fomit-frame-pointer"
648 # 3 gcc releases known for BeOS, each with ugly bugs
649 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
650 case "$gcc_version" in
651 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
652 mmx="no"
653 ;;
654 *20010315*) echo "BeBits gcc"
655 add_cflags "-fno-expensive-optimizations"
656 ;;
657 esac
658 SHFLAGS=-nostart
659 # disable Linux things
660 audio_oss="no"
661 video4linux="no"
662 video4linux2="no"
663 dv1394="no"
664 # enable BeOS things
665 audio_beos="yes"
666 beosthreads="yes"
667 # no need for libm, but the inet stuff
668 # Check for BONE
669 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
670 extralibs="-lbind -lsocket"
671 else
672 beos_netserver="yes"
673 extralibs="-lnet"
674 fi ;;
675 SunOS)
676 video4linux="no"
677 video4linux2="no"
678 audio_oss="no"
679 dv1394="no"
680 make="gmake"
681 FFLDFLAGS=""
682 FFSERVERLDFLAGS=""
683 SHFLAGS="-shared -Wl,-h,\$@"
684 add_extralibs "-lsocket -lnsl"
685 ;;
686 NetBSD)
687 video4linux="no"
688 video4linux2="no"
689 bktr="yes"
690 audio_oss="yes"
691 dv1394="no"
692 make="gmake"
693 add_extralibs "-lossaudio"
694 ;;
695 OpenBSD)
696 video4linux="no"
697 video4linux2="no"
698 bktr="yes"
699 audio_oss="yes"
700 dv1394="no"
701 need_memalign="no"
702 make="gmake"
703 LIBOBJFLAGS="\$(PIC)"
704 LDCONFIG="ldconfig -m \$(shlibdir)"
705 SHFLAGS='-shared'
706 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
707 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
708 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
709 add_extralibs "-lossaudio"
710 ;;
711 FreeBSD)
712 video4linux="no"
713 video4linux2="no"
714 bktr="yes"
715 audio_oss="yes"
716 dv1394="no"
717 make="gmake"
718 need_memalign="no"
719 add_cflags "-pthread"
720 ;;
721 GNU/kFreeBSD)
722 video4linux="no"
723 video4linux2="no"
724 bktr="yes"
725 audio_oss="yes"
726 dv1394="no"
727 add_cflags "-pthread"
728 ;;
729 BSD/OS)
730 video4linux="no"
731 video4linux2="no"
732 bktr="yes"
733 audio_oss="yes"
734 dv1394="no"
735 extralibs="-lpoll -lgnugetopt -lm"
736 make="gmake"
737 strip="strip -d"
738 installstrip=""
739 ;;
740 Darwin)
741 cc="cc"
742 video4linux="no"
743 video4linux2="no"
744 audio_oss="no"
745 dv1394="no"
746 need_memalign="no"
747 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION)"
748 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
749 extralibs=""
750 strip="strip -x"
751 installstrip=""
752 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
753 SLIBSUF=".dylib"
754 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
755 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
756 FFSERVERLDFLAGS=-Wl,-bind_at_load
757 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
758 ;;
759 MINGW32*)
760 # Note: the rest of the mingw32 config is done afterwards as mingw32
761 # can be forced on the command line for Linux cross compilation.
762 mingw32="yes"
763 ;;
764 CYGWIN*)
765 targetos=CYGWIN
766 shlibdir="$bindir"
767 video4linux="no"
768 video4linux2="no"
769 audio_oss="yes"
770 dv1394="no"
771 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
772 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
773 extralibs=""
774 EXESUF=".exe"
775 SLIBPREF="cyg"
776 SLIBSUF=".dll"
777 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
778 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
779 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
780 ;;
781 Linux)
782 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
783 ;;
784 IRIX*)
785 targetos=IRIX
786 ranlib="echo ignoring ranlib"
787 video4linux="no"
788 video4linux2="no"
789 audio_oss="no"
790 make="gmake"
791 ;;
792 OS/2)
793 TMPE=$TMPE".exe"
794 ar="emxomfar -p128"
795 ranlib="echo ignoring ranlib"
796 strip="echo ignoring strip"
797 add_cflags "-Zomf"
798 FFLDFLAGS="-Zomf -Zstack 16384 -s"
799 SHFLAGS="-Zdll -Zomf"
800 FFSERVERLDFLAGS=""
801 LIBPREF=""
802 LIBSUF=".lib"
803 SLIBPREF=""
804 SLIBSUF=".dll"
805 EXESUF=".exe"
806 extralibs=""
807 pkg_requires=""
808 video4linux="no"
809 video4linux2="no"
810 audio_oss="no"
811 dv1394="no"
812 ffserver="no"
813 vhook="no"
814 os2="yes"
815 os2threads="yes"
816 ;;
817 *)
818 targetos="${targetos}-UNKNOWN"
819 ;;
820 esac
821
822 # find source path
823 source_path="`dirname \"$0\"`"
824 source_path_used="yes"
825 if test -z "$source_path" -o "$source_path" = "." ; then
826 source_path="`pwd`"
827 source_path_used="no"
828 else
829 source_path="`cd \"$source_path\"; pwd`"
830 echo "$source_path" | grep -q '[[:blank:]]' &&
831 die "Out of tree builds are impossible with whitespace in source path."
832 fi
833
834 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
835 show_help
836 fi
837
838 FFMPEG_CONFIGURATION=" "
839 for opt do
840 FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "
841 done
842
843 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
844 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
845 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
846 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
847 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
848
849 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
850
851 for opt do
852 optval="${opt#*=}"
853 case "$opt" in
854 --log)
855 ;;
856 --log=*) logging="$optval"
857 ;;
858 --prefix=*) PREFIX="$optval"
859 ;;
860 --libdir=*) libdir="$optval"
861 ;;
862 --shlibdir=*) shlibdir="$optval"
863 ;;
864 --incdir=*) incdir="$optval"
865 ;;
866 --mandir=*) mandir="$optval"
867 ;;
868 --source-path=*) source_path="$optval"
869 ;;
870 --cross-prefix=*) cross_prefix="$optval"
871 ;;
872 --cross-compile) cross_compile=yes
873 ;;
874 --cc=*) cc="$optval"
875 ;;
876 --make=*) make="$optval"
877 ;;
878 --extra-cflags=*) add_cflags "$optval"
879 ;;
880 --extra-ldflags=*) add_ldflags "$optval"
881 ;;
882 --extra-libs=*) add_extralibs "$optval"
883 ;;
884 --build-suffix=*) BUILDSUF="$optval"
885 ;;
886 --arch=*) arch="$optval"
887 ;;
888 --cpu=*) cpu="$optval"
889 ;;
890 --powerpc-perf-enable) powerpc_perf="yes"
891 ;;
892 --disable-mmx) mmx="no"
893 ;;
894 --disable-armv5te) armv5te="no"
895 ;;
896 --disable-iwmmxt) iwmmxt="no"
897 ;;
898 --disable-altivec) altivec="no"
899 ;;
900 --enable-gprof) gprof="yes"
901 ;;
902 --disable-v4l) video4linux="no"
903 ;;
904 --disable-v4l2) video4linux2="no"
905 ;;
906 --disable-bktr) bktr="no"
907 ;;
908 --disable-audio-oss) audio_oss="no"
909 ;;
910 --disable-audio-beos) audio_beos="no"
911 ;;
912 --disable-dv1394) dv1394="no"
913 ;;
914 --disable-network) network="no"; ffserver="no"
915 ;;
916 --disable-ipv6) ipv6="no";
917 ;;
918 --disable-zlib) zlib="no"
919 ;;
920 --enable-a52) a52="yes"
921 ;;
922 --enable-a52bin) a52bin="yes"
923 ;;
924 --enable-dts) dts="yes"
925 ;;
926 --enable-pp) pp="yes"
927 ;;
928 --enable-libgsm) libgsm="yes"
929 ;;
930 --enable-mp3lame) mp3lame="yes"
931 ;;
932 --enable-libnut) libnut="yes"
933 ;;
934 --enable-libogg) libogg="yes"
935 pkg_requires="$pkg_requires ogg >= 1.1"
936 ;;
937 --enable-vorbis) libvorbis="yes"
938 pkg_requires="$pkg_requires vorbis vorbisenc"
939 ;;
940 --enable-faad) faad="yes"
941 ;;
942 --enable-faadbin) faadbin="yes"
943 ;;
944 --enable-faac) faac="yes"
945 ;;
946 --enable-xvid) xvid="yes"
947 ;;
948 --enable-x264) x264="yes"
949 ;;
950 --enable-avisynth) avisynth="yes";
951 ;;
952 --enable-dc1394) dc1394="yes"
953 pkg_requires="$pkg_requires libraw1394"
954 ;;
955 --disable-vhook) vhook="no"
956 ;;
957 --enable-mingw32) mingw32="yes"
958 ;;
959 --enable-mingwce) wince="yes"
960 ;;
961 --enable-static) lstatic="yes"
962 ;;
963 --disable-static) lstatic="no"
964 ;;
965 --enable-shared) lshared="yes"
966 ;;
967 --disable-shared) lshared="no"
968 ;;
969 --disable-debug) debug="no"
970 ;;
971 --disable-opts) optimize="no"
972 ;;
973 --enable-extra-warnings) extrawarnings="yes"
974 ;;
975 --disable-mpegaudio-hp) mpegaudio_hp="no"
976 ;;
977 --disable-protocols) protocols="no"; network="no"; ffserver="no"
978 ;;
979 --disable-ffmpeg) ffmpeg="no"
980 ;;
981 --disable-ffserver) ffserver="no"
982 ;;
983 --disable-ffplay) ffplay="no"
984 ;;
985 --enable-small) optimize="small"
986 ;;
987 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
988 ;;
989 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
990 ;;
991 --enable-amr_wb) amr="yes"; amr_wb="yes"
992 ;;
993 --enable-amr_if2) amr="yes"; amr_if2="yes"
994 ;;
995 --enable-sunmlib) mlib="yes"
996 ;;
997 --enable-pthreads) pthreads="yes"
998 ;;
999 --enable-swscaler) swscaler="yes"
1000 ;;
1001 --enable-gpl) gpl="yes"
1002 ;;
1003 --enable-memalign-hack) memalign_hack="yes"
1004 ;;
1005 --disable-strip) dostrip="no"
1006 ;;
1007 --enable-encoder=*) enable ${optval}_encoder
1008 ;;
1009 --enable-decoder=*) enable ${optval}_decoder
1010 ;;
1011 --disable-encoder=*) disable ${optval}_encoder
1012 ;;
1013 --disable-decoder=*) disable ${optval}_decoder
1014 ;;
1015 --disable-encoders) disable $ENCODER_LIST
1016 ;;
1017 --disable-decoders) disable $DECODER_LIST
1018 ;;
1019 --enable-muxer=*) enable ${optval}_muxer
1020 ;;
1021 --disable-muxer=*) disable ${optval}_muxer
1022 ;;
1023 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1024 ;;
1025 --enable-demuxer=*) enable ${optval}_demuxer
1026 ;;
1027 --disable-demuxer=*) disable ${optval}_demuxer
1028 ;;
1029 --disable-demuxers) disable $DEMUXER_LIST
1030 ;;
1031 --enable-parser=*) enable ${optval}_parser
1032 ;;
1033 --disable-parser=*) disable ${optval}_parser
1034 ;;
1035 --disable-parsers) disable $PARSER_LIST
1036 ;;
1037 --help) show_help
1038 ;;
1039 *)
1040 echo "Unknown option \"$opt\"."
1041 echo "See $0 --help for available options."
1042 exit 1
1043 ;;
1044 esac
1045 done
1046
1047 if test "$logging" != no; then
1048 test "$logging" = yes || logfile="$logging"
1049 echo "# $0 $@" >$logfile
1050 set >>$logfile
1051 else
1052 logfile=/dev/null
1053 fi
1054
1055 if test "$mingw32" = "yes" -o "$wince" = "yes"; then
1056 if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then
1057 cat <<EOF
1058 You can only build one library type at once on MinGW.
1059 Specify --disable-static --enable-shared to only build
1060 the shared libraries. To build only the static libraries
1061 you do not need to pass additional options.
1062 EOF
1063 exit 1
1064 fi
1065 video4linux="no"
1066 video4linux2="no"
1067 bktr="no"
1068 audio_oss="no"
1069 dv1394="no"
1070 dc1394="no"
1071 ffserver="no"
1072 network="no"
1073 if enabled mingw32; then
1074 w32threads="yes"
1075 fi
1076 if test "$wince" = "yes"; then
1077 protocols="no"
1078 fi
1079 SLIBPREF=""
1080 SLIBSUF=".dll"
1081 EXESUF=".exe"
1082 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1083 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1084 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1085 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1086 fi
1087
1088 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1089 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1090
1091 test -n "$cross_prefix" && cross_compile=yes
1092 cc="${cross_prefix}${cc}"
1093 ar="${cross_prefix}${ar}"
1094 ranlib="${cross_prefix}${ranlib}"
1095 strip="${cross_prefix}${strip}"
1096
1097 # we need to build at least one lib type
1098 if test "$lstatic" = "no" && test "$lshared" = "no" ; then
1099 cat <<EOF
1100 At least one library type must be built.
1101 Specify --enable-static to build the static libraries or --enable-shared to
1102 build the shared libraries as well. To only build the shared libraries specify
1103 --disable-static in addition to --enable-shared.
1104 EOF
1105 exit 1;
1106 fi
1107
1108 if test "$libvorbis" = "yes" ; then
1109 if test "$libogg" = "no"; then
1110 echo "libogg must be enabled to enable Vorbis."
1111 fail="yes"
1112 fi
1113 fi
1114
1115 if test "$gpl" != "yes"; then
1116 if test "$pp" != "no"; then
1117 echo "The Postprocessing code is under GPL and --enable-gpl is not specified."
1118 fail="yes"
1119 fi
1120
1121 if test "$a52" != "no" -o "$a52bin" != "no"; then
1122 echo "liba52 is under GPL and --enable-gpl is not specified."
1123 fail="yes"
1124 fi
1125
1126 if test "$xvid" != "no"; then
1127 echo "libxvidcore is under GPL and --enable-gpl is not specified."
1128 fail="yes"
1129 fi
1130
1131 if test "$x264" != "no"; then
1132 echo "x264 is under GPL and --enable-gpl is not specified."
1133 fail="yes"
1134 fi
1135
1136 if test "$dts" != "no"; then
1137 echo "libdts is under GPL and --enable-gpl is not specified."
1138 fail="yes"
1139 fi
1140
1141 if test "$faad" != "no" -o "$faadbin" != "no"; then
1142 if check_header faad.h; then
1143 check_cc << EOF
1144 #include <faad.h>
1145 #ifndef FAAD2_VERSION
1146 ok faad1
1147 #endif
1148 int main( void ) { return 0; }
1149 EOF
1150 if test $? = 0 ; then
1151 echo "FAAD2 is under GPL and --enable-gpl is not specified."
1152 fail="yes"
1153 fi
1154 else
1155 faad="no"
1156 faadbin="no"
1157 echo "FAAD test failed."
1158 fi
1159 fi
1160
1161 if test "$swscaler" != "no"; then
1162 echo "The software scaler is under GPL and --enable-gpl is not specified."
1163 fail="yes"
1164 fi
1165 fi
1166
1167 if test "$fail" = "yes"; then
1168 exit 1
1169 fi
1170
1171 # compute MMX state
1172 if test $mmx = "default"; then
1173 if test $arch = "x86_32" -o $arch = "x86_64"; then
1174 mmx="yes"
1175 else
1176 mmx="no"
1177 fi
1178 fi
1179
1180 test -z "$need_memalign" && need_memalign="$mmx"
1181
1182 #Darwin CC versions
1183 needmdynamicnopic="no"
1184 if test $targetos = Darwin; then
1185 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1186 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1187 else
1188 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1189 case "$gcc_version" in
1190 *2.95*)
1191 add_cflags "-no-cpp-precomp -pipe"
1192 ;;
1193 *[34].*)
1194 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1195 if test "$lshared" = no; then
1196 needmdynamicnopic="yes"
1197 fi
1198 ;;
1199 *)
1200 add_cflags "-no-cpp-precomp -pipe"
1201 if test "$lshared" = no; then
1202 needmdynamicnopic="yes"
1203 fi
1204 ;;
1205 esac
1206 fi
1207 fi
1208
1209 if test $optimize != "no"; then
1210 add_cflags "-fomit-frame-pointer"
1211 fi
1212
1213 # Can only do AltiVec on PowerPC
1214 if test $altivec = "default"; then
1215 if test $arch = "powerpc"; then
1216 altivec="yes"
1217 else
1218 altivec="no"
1219 fi
1220 fi
1221
1222 # Add processor-specific flags
1223 POWERPCMODE="32bits"
1224 if test $cpu != "generic"; then
1225 case $cpu in
1226 601|ppc601|PowerPC601)
1227 add_cflags "-mcpu=601"
1228 if test $altivec = "yes"; then
1229 echo "WARNING: Tuning for PPC601 but AltiVec enabled!";
1230 fi
1231 ;;
1232 603*|ppc603*|PowerPC603*)
1233 add_cflags "-mcpu=603"
1234 if test $altivec = "yes"; then
1235 echo "WARNING: Tuning for PPC603 but AltiVec enabled!";
1236 fi
1237 ;;
1238 604*|ppc604*|PowerPC604*)
1239 add_cflags "-mcpu=604"
1240 if test $altivec = "yes"; then
1241 echo "WARNING: Tuning for PPC604 but AltiVec enabled!";
1242 fi
1243 ;;
1244 G3|g3|75*|ppc75*|PowerPC75*)
1245 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1246 if test $altivec = "yes"; then
1247 echo "WARNING: Tuning for PPC75x but AltiVec enabled!";
1248 fi
1249 ;;
1250 G4|g4|745*|ppc745*|PowerPC745*)
1251 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1252 if test $altivec = "no"; then
1253 echo "WARNING: Tuning for PPC745x but AltiVec disabled!";
1254 fi
1255 ;;
1256 74*|ppc74*|PowerPC74*)
1257 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1258 if test $altivec = "no"; then
1259 echo "WARNING: Tuning for PPC74xx but AltiVec disabled!";
1260 fi
1261 ;;
1262 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1263 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1264 if test $altivec = "no"; then
1265 echo "WARNING: Tuning for PPC970 but AltiVec disabled!";
1266 fi
1267 POWERPCMODE="64bits"
1268 ;;
1269 # targets that do NOT support conditional mov (cmov)
1270 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1271 add_cflags "-march=$cpu"
1272 cmov="no"
1273 ;;
1274 # targets that do support conditional mov (cmov)
1275 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx)
1276 add_cflags "-march=$cpu"
1277 cmov="yes"
1278 cmov_is_fast="yes"
1279 ;;
1280 # targets that do support conditional mov but on which it's slow
1281 pentium4|prescott|nocona)
1282 add_cflags "-march=$cpu"
1283 cmov="yes"
1284 cmov_is_fast="no"
1285 ;;
1286 sparc64)
1287 add_cflags "-mcpu=v9"
1288 ;;
1289 *)
1290 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1291 ;;
1292 esac
1293 fi
1294
1295 # make sure we can execute files in $TMPDIR
1296 cat >$TMPE 2>>$logfile <<EOF
1297 #! /bin/sh
1298 EOF
1299 chmod +x $TMPE >>$logfile 2>&1
1300 if ! $TMPE >>$logfile 2>&1; then
1301 cat <<EOF
1302 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1303 variable to another directory and make sure that $TMPDIR1 is not mounted
1304 noexec.
1305 EOF
1306 die "Sanity test failed."
1307 fi
1308 rm $TMPE
1309
1310 # compiler sanity check
1311 check_exec <<EOF
1312 int main(){
1313 return 0;
1314 }
1315 EOF
1316 if test "$?" != 0; then
1317 echo "$cc is unable to create an executable file."
1318 if test -z "$cross_prefix" -a "$cross_compile" = no; then
1319 echo "If $cc is a cross-compiler, use the --cross-compile option."
1320 echo "Only do this if you know what cross compiling means."
1321 fi
1322 die "C compiler test failed."
1323 fi
1324
1325 # check for assembler specific support
1326
1327 if test $arch = "powerpc"; then
1328 check_cc <<EOF && dcbzl=yes
1329 int main(void) {
1330 register long zero = 0;
1331 char data[1024];
1332 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1333 return 0;
1334 }
1335 EOF
1336 fi
1337
1338 # check for SIMD availability
1339
1340 # AltiVec flags: The FSF version of GCC differs from the Apple version
1341 if test $arch = "powerpc"; then
1342 if test $altivec = "yes"; then
1343 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1344 add_cflags "-faltivec"
1345 else
1346 add_cflags "-maltivec -mabi=altivec"
1347 fi
1348 fi
1349 fi
1350
1351 check_header altivec.h
1352
1353 # check if our compiler supports Motorola AltiVec C API
1354 if test $altivec = "yes"; then
1355 if test $altivec_h = "yes"; then
1356 inc_altivec_h="#include <altivec.h>"
1357 else
1358 inc_altivec_h=
1359 fi
1360 check_cc <<EOF || altivec=no
1361 $inc_altivec_h
1362 int main(void) {
1363 vector signed int v1, v2, v3;
1364 v1 = vec_add(v2,v3);
1365 return 0;
1366 }
1367 EOF
1368 fi
1369
1370 # check armv5te instructions support
1371 if test $armv5te = "default" -a $arch = "armv4l"; then
1372 armv5te=no
1373 check_cc <<EOF && armv5te=yes
1374 int main(void) {
1375 __asm__ __volatile__ ("qadd r0, r0, r0");
1376 }
1377 EOF
1378 fi
1379
1380 # check iwmmxt support
1381 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1382 iwmmxt=no
1383 check_cc <<EOF && iwmmxt=yes
1384 int main(void) {
1385 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1386 }
1387 EOF
1388 fi
1389
1390 # mmi only available on mips
1391 if test $mmi = "default"; then
1392 if test $arch = "mips"; then
1393 mmi="yes"
1394 else
1395 mmi="no"
1396 fi
1397 fi
1398
1399 # check if our compiler supports mmi
1400 enabled mmi && check_cc <<EOF || mmi="no"
1401 int main(void) {
1402 __asm__ ("lq \$2, 0(\$2)");
1403 return 0;
1404 }
1405 EOF
1406
1407 # ---
1408 # big/little-endian test
1409 if test "$cross_compile" = "no"; then
1410 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1411 #include <inttypes.h>
1412 int main(int argc, char ** argv){
1413 volatile uint32_t i=0x01234567;
1414 return (*((uint8_t*)(&i))) == 0x67;
1415 }
1416 EOF
1417 else
1418 # programs cannot be launched if cross compiling, so make a static guess
1419 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1420 bigendian="yes"
1421 fi
1422 fi
1423
1424 # ---
1425 # check availability of some header files
1426
1427 check_header malloc.h
1428 check_func memalign
1429
1430 if test "$memalign" = "no" -a "$need_memalign" = "yes" -a \
1431 "$memalign_hack" != "yes"; then
1432 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1433 fi
1434
1435 check_header byteswap.h
1436
1437 check_func inet_aton
1438 check_func localtime_r
1439 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1440
1441 # check for some common methods of building with pthread support
1442 # do this before the optional library checks as some of them require pthreads
1443 if enabled pthreads; then
1444 if check_func pthread_create; then
1445 :
1446 elif check_func pthread_create -pthread; then
1447 add_cflags -pthread
1448 add_ldflags -pthread
1449 elif check_func pthread_create -pthreads; then
1450 add_cflags -pthreads
1451 add_ldflags -pthreads
1452 elif ! check_lib pthread.h pthread_create -lpthread; then
1453 die "ERROR: can't find pthreads library"
1454 fi
1455 fi
1456
1457 # these are off by default, so fail if requested and not available
1458 enabled dts && require libdts dts.h dts_init -ldts -lm
1459 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1460 enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1461 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1462 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1463 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1464 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1465 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1466 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1467 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1468
1469 # Ugh, faac uses stdcall calling convention on win32 so we can't use
1470 # the generic test functions
1471 if enabled faac; then
1472 save_flags
1473 temp_extralibs -lfaac
1474 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1475 #include <stdint.h>
1476 #include <faac.h>
1477 int main(){
1478 char *id, *cpr;
1479 faacEncGetVersion(&id, &cpr);
1480 return 0;
1481 }
1482 EOF
1483 restore_flags
1484 fi
1485
1486 # Ugh, recent faad2 versions have renamed all functions and #define the
1487 # old names in faad.h. Generic tests won't work.
1488 if enabled faad; then
1489 save_flags
1490 temp_extralibs -lfaad
1491 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1492 #include <faad.h>
1493 int main(){
1494 faacDecOpen();
1495 return 0;
1496 }
1497 EOF
1498 restore_flags
1499 fi
1500
1501 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1502 if enabled avisynth; then
1503 save_flags
1504 temp_extralibs -lvfw32
1505 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1506 #include <windows.h>
1507 #include <vfw.h>
1508 int main(){
1509 AVIFileInit();
1510 return 0;
1511 }
1512 EOF
1513 restore_flags
1514 fi
1515
1516
1517 # test for lrintf in math.h
1518 check_exec <<EOF && lrintf=yes || lrintf=no
1519 #define _ISOC9X_SOURCE 1
1520 #include <math.h>
1521 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1522 EOF
1523
1524 _restrict=
1525 for restrict_keyword in restrict __restrict__ __restrict; do
1526 check_cc <<EOF && _restrict=$restrict_keyword && break
1527 void foo(char * $restrict_keyword p);
1528 EOF
1529 done
1530
1531 # dlopen/dlfcn.h probing
1532
1533 check_header dlfcn.h
1534
1535 if check_func dlopen; then
1536 ldl=
1537 elif check_func dlopen -ldl; then
1538 ldl=-ldl
1539 fi
1540
1541 if test "$vhook" = "default"; then
1542 vhook="$dlopen"
1543 fi
1544
1545 if enabled_any vhook a52bin faadbin; then
1546 add_extralibs $ldl
1547 fi
1548
1549 if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
1550 vhook="no"
1551 echo
1552 echo "At the moment vhooks don't work on Cygwin static builds."
1553 echo "Patches welcome."
1554 echo
1555 fi
1556
1557 if enabled vhook; then
1558 check_ldflags -rdynamic
1559 check_ldflags -export-dynamic
1560 fi
1561
1562 if enabled audio_beos; then
1563 add_extralibs "-lmedia -lbe"
1564 fi
1565
1566 ##########################################
1567 # imlib check
1568
1569 temp_extralibs -lImlib2
1570 check_ld <<EOF && imlib2=yes || imlib2=no
1571 #include <X11/Xlib.h>
1572 #include <Imlib2.h>
1573 int main( void ) { return (int) imlib_load_font("foo"); }
1574 EOF
1575 restore_flags
1576
1577 ##########################################
1578 # FreeType check
1579
1580 freetype2=no
1581 if test "x$targetos" != "xBeOS"; then
1582 if (freetype-config --version) >/dev/null 2>&1 ; then
1583 temp_cflags `freetype-config --cflags`
1584 temp_extralibs `freetype-config --libs`
1585 check_ld <<EOF && freetype2=yes
1586 #include <ft2build.h>
1587 int main( void ) { return (int) FT_Init_FreeType(0); }
1588 EOF
1589 restore_flags
1590 fi
1591 fi
1592
1593 ##########################################
1594 # SDL check
1595
1596 sdl_too_old=no
1597 sdl=no
1598 SDL_CONFIG="${cross_prefix}sdl-config"
1599 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1600 temp_cflags `"${SDL_CONFIG}" --cflags`
1601 temp_extralibs `"${SDL_CONFIG}" --libs`
1602 check_ld <<EOF
1603 #include <SDL.h>
1604 #undef main /* We don't want SDL to override our main() */
1605 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1606 EOF
1607 if test $? = 0; then
1608 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1609 if test "$_sdlversion" -lt 121 ; then
1610 sdl_too_old=yes
1611 else
1612 sdl=yes
1613 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1614 #include <SDL.h>
1615 int main(void){
1616 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1617 int w = vi->current_w;
1618 return 0;
1619 }
1620 EOF
1621 fi
1622 fi
1623 restore_flags
1624 fi
1625
1626 enabled sdl || ffplay=no
1627
1628 ##########################################
1629 # texi2html check
1630
1631 texi2html=no
1632 if (texi2html -version) >/dev/null 2>&1; then
1633 texi2html=yes
1634 fi
1635
1636 ##########################################
1637 # IPv6 check
1638
1639 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1640 #include <sys/types.h>
1641 #include <sys/socket.h>
1642 #include <netinet/in.h>
1643 #include <netdb.h>
1644 int main( void ) {
1645 struct sockaddr_storage saddr;
1646 struct ipv6_mreq mreq6;
1647 getaddrinfo(0,0,0,0);
1648 getnameinfo(0,0,0,0,0,0,0);
1649 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1650 }
1651 EOF
1652
1653 # check for video4linux2 --- V4L2_PIX_FMT_YUV420
1654 enabled video4linux2 && check_cc <<EOF || video4linux2="no"
1655 #include <sys/time.h>
1656 #include <asm/types.h>
1657 #include <linux/videodev2.h>
1658 int dummy = V4L2_PIX_FMT_YUV420;
1659 struct v4l2_buffer dummy1;
1660 EOF
1661
1662 enabled debug && add_cflags -g
1663
1664 # add some useful compiler flags if supported
1665 check_cflags -Wdeclaration-after-statement
1666 check_cflags -Wall
1667 check_cflags -Wno-switch
1668 check_cflags -Wdisabled-optimization
1669 check_cflags -Wpointer-arith
1670 check_cflags -Wredundant-decls
1671 enabled extrawarnings && check_cflags -Winline
1672
1673 # add some linker flags
1674 check_ldflags $LDLATEFLAGS
1675
1676 # not all compilers support -Os
1677 test "$optimize" = "small" && check_cflags -Os
1678
1679 if enabled optimize; then
1680 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1681 add_cflags "-O5"
1682 add_ldflags "-O5"
1683 else
1684 add_cflags "-O3"
1685 fi
1686 fi
1687
1688 # PIC flags for shared library objects where they are needed
1689 if test "$lshared" = "yes" ; then
1690 # LIBOBJFLAGS may have already been set in the OS configuration
1691 if test -z "$LIBOBJFLAGS" ; then
1692 case "$arch" in
1693 x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
1694 esac
1695 fi
1696 fi
1697
1698 if test "$gprof" = "yes" ; then
1699 add_cflags "-p"
1700 add_ldflags "-p"
1701 fi
1702
1703 VHOOKCFLAGS="-fPIC $CFLAGS"
1704 test "$needmdynamicnopic" = yes && add_cflags -mdynamic-no-pic
1705
1706 # find if .align arg is power-of-two or not
1707 if test $asmalign_pot = "unknown"; then
1708 asmalign_pot="no"
1709 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1710 fi
1711
1712 echo "install prefix $PREFIX"
1713 echo "source path $source_path"
1714 echo "C compiler $cc"
1715 echo "make $make"
1716 echo "ARCH $arch ($cpu)"
1717 if test "$BUILDSUF" != ""; then
1718 echo "build suffix $BUILDSUF"
1719 fi
1720 echo "big-endian $bigendian"
1721 if test $arch = "x86_32" -o $arch = "x86_64"; then
1722 echo "MMX enabled $mmx"
1723 echo "CMOV enabled $cmov"
1724 echo "CMOV is fast $cmov_is_fast"
1725 fi
1726 if test $arch = "armv4l"; then
1727 echo "ARMv5TE enabled $armv5te"
1728 echo "IWMMXT enabled $iwmmxt"
1729 fi
1730 if test $arch = "mips"; then
1731 echo "MMI enabled $mmi"
1732 fi
1733 if test $arch = "powerpc"; then
1734 echo "AltiVec enabled $altivec"
1735 echo "dcbzl available $dcbzl"
1736 fi
1737 echo "gprof enabled $gprof"
1738 echo "zlib enabled $zlib"
1739 echo "libgsm enabled $libgsm"
1740 echo "mp3lame enabled $mp3lame"
1741 echo "libnut enabled $libnut"
1742 echo "libogg enabled $libogg"
1743 echo "Vorbis enabled $libvorbis"
1744 echo "FAAD enabled $faad"
1745 echo "faadbin enabled $faadbin"
1746 echo "FAAC enabled $faac"
1747 echo "XviD enabled $xvid"
1748 echo "x264 enabled $x264"
1749 echo "a52 support $a52"
1750 echo "a52 dlopened $a52bin"
1751 echo "DTS support $dts"
1752 echo "pp support $pp"
1753 echo "Software Scaler enabled $swscaler"
1754 echo "AVISynth enabled $avisynth"
1755 echo "debug symbols $debug"
1756 echo "strip symbols $dostrip"
1757 echo "optimize $optimize"
1758 echo "static $lstatic"
1759 echo "shared $lshared"
1760 echo "video hooking $vhook"
1761 echo "SDL support $sdl"
1762 if test $sdl_too_old = "yes"; then
1763 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1764 fi
1765
1766 if test "$vhook" = "yes"; then
1767 echo "Imlib2 support $imlib2"
1768 echo "FreeType support $freetype2"
1769 fi
1770 echo "Sun medialib support" $mlib
1771 echo "pthreads support" $pthreads
1772 echo "AMR-NB float support" $amr_nb
1773 echo "AMR-NB fixed support" $amr_nb_fixed
1774 echo "AMR-WB float support" $amr_wb
1775 echo "AMR-WB IF2 support" $amr_if2
1776 echo "network support $network"
1777 if test "$network" = "yes" ; then
1778 echo "IPv6 support $ipv6"
1779 fi
1780 echo ".align is power-of-two" $asmalign_pot
1781 if test "$gpl" = "no" ; then
1782 echo "License: LGPL"
1783 else
1784 echo "License: GPL"
1785 fi
1786
1787 echo "Creating config.mak and config.h..."
1788
1789 echo "# Automatically generated by configure - do not modify!" > config.mak
1790 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1791 echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH
1792
1793 echo "PREFIX=$PREFIX" >> config.mak
1794 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1795 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1796 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1797 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1798 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1799 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1800 echo "MAKE=$make" >> config.mak
1801 echo "CC=$cc" >> config.mak
1802 echo "AR=$ar" >> config.mak
1803 echo "RANLIB=$ranlib" >> config.mak
1804 if test "$dostrip" = "yes" ; then
1805 echo "STRIP=$strip" >> config.mak
1806 echo "INSTALLSTRIP=$installstrip" >> config.mak
1807 else
1808 echo "STRIP=echo ignoring strip" >> config.mak
1809 echo "INSTALLSTRIP=" >> config.mak
1810 fi
1811
1812 echo "OPTFLAGS=$CFLAGS" >> config.mak
1813 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1814 echo "LDFLAGS=$LDFLAGS" >> config.mak
1815 echo "LDCONFIG=$LDCONFIG" >> config.mak
1816 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1817 echo "SHFLAGS=$SHFLAGS" >> config.mak
1818 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1819 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1820 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1821 echo "BUILD_STATIC=$lstatic" >> config.mak
1822 echo "BUILDSUF=$BUILDSUF" >> config.mak
1823 echo "LIBPREF=$LIBPREF" >> config.mak
1824 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1825 if test "$lstatic" = "yes" ; then
1826 echo "LIB=$LIB" >> config.mak
1827 else # Some Make complain if this variable does not exist.
1828 echo "LIB=" >> config.mak
1829 fi
1830 echo "SLIBPREF=$SLIBPREF" >> config.mak
1831 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1832 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1833 echo "TARGET_OS=$targetos" >> config.mak
1834
1835 ucarch=`toupper $arch`
1836 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1837 echo "#define ARCH_${ucarch} 1" >> $TMPH
1838
1839 # special cases
1840 case "$arch" in
1841 x86_32|x86_64)
1842 echo "TARGET_ARCH_X86=yes" >> config.mak
1843 echo "#define ARCH_X86 1" >> $TMPH
1844 ;;
1845 powerpc)
1846 if test "$POWERPCMODE" = "64bits"; then
1847 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1848 fi
1849 if test "$powerpc_perf" = "yes"; then
1850 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1851 fi
1852 ;;
1853 sparc64)
1854 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1855 echo "#define ARCH_SPARC 1" >> $TMPH
1856 ;;
1857 esac
1858
1859 if test "$bigendian" = "yes" ; then
1860 echo "WORDS_BIGENDIAN=yes" >> config.mak
1861 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1862 fi
1863 if test "$mmx" = "yes" ; then
1864 echo "TARGET_MMX=yes" >> config.mak
1865 echo "#define HAVE_MMX 1" >> $TMPH
1866 echo "#define __CPU__ 586" >> $TMPH
1867 fi
1868 if test "$cmov" = "yes" ; then
1869 echo "TARGET_CMOV=yes" >> config.mak
1870 echo "#define HAVE_CMOV 1" >> $TMPH
1871 fi
1872 if test "$cmov_is_fast" = "yes" ; then
1873 echo "TARGET_CMOV_IS_FAST=yes" >> config.mak
1874 echo "#define CMOV_IS_FAST 1" >> $TMPH
1875 fi
1876 if test "$armv5te" = "yes" ; then
1877 echo "TARGET_ARMV5TE=yes" >> config.mak
1878 echo "#define HAVE_ARMV5TE 1" >> $TMPH
1879 fi
1880 if test "$iwmmxt" = "yes" ; then
1881 echo "TARGET_IWMMXT=yes" >> config.mak
1882 echo "#define HAVE_IWMMXT 1" >> $TMPH
1883 fi
1884 if test "$mmi" = "yes" ; then
1885 echo "TARGET_MMI=yes" >> config.mak
1886 echo "#define HAVE_MMI 1" >> $TMPH
1887 fi
1888
1889 if test "$altivec" = "yes" ; then
1890 echo "TARGET_ALTIVEC=yes" >> config.mak
1891 echo "#define HAVE_ALTIVEC 1" >> $TMPH
1892 fi
1893
1894 if test "$sdl" = "yes" ; then
1895 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1896 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1897 fi
1898 if test "$texi2html" = "yes"; then
1899 echo "BUILD_DOC=yes" >> config.mak
1900 fi
1901
1902 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1903 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1904 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1905 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1906 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1907
1908
1909
1910 if test "$lshared" = "yes" ; then
1911 echo "BUILD_SHARED=yes" >> config.mak
1912 echo "PIC=-fPIC -DPIC" >> config.mak
1913 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1914 echo "SPPVERSION=$pp_version" >> config.mak
1915 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1916 echo "LAVCVERSION=$lavc_version" >> config.mak
1917 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1918 echo "LAVFVERSION=$lavf_version" >> config.mak
1919 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1920 echo "LAVUVERSION=$lavu_version" >> config.mak
1921 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1922 echo "SWSVERSION=$sws_version" >> config.mak
1923 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1924 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1925 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1926 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1927 fi
1928 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1929 echo "EXTRALIBS=$extralibs" >> config.mak
1930
1931 enabled_any $ENCODER_LIST && enable encoders
1932 enabled_any $DECODER_LIST && enable decoders
1933 enabled_any $MUXER_LIST && enable muxers
1934 enabled_any $DEMUXER_LIST && enable demuxers
1935
1936 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1937
1938 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1939 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1940
1941 if test "$targetos" = "Darwin"; then
1942 echo "#define CONFIG_DARWIN 1" >> $TMPH
1943 fi
1944
1945 echo "#define restrict $_restrict" >> $TMPH
1946
1947 if test "$optimize" = "small"; then
1948 echo "#define always_inline" >> $TMPH
1949 echo "#define CONFIG_SMALL 1" >> $TMPH
1950 fi
1951
1952 echo "SRC_PATH=\"$source_path\"" >> config.mak
1953 echo "SRC_PATH_BARE=$source_path" >> config.mak
1954 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1955
1956 if test "$amr_if2" = "yes" ; then
1957 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1958 fi
1959
1960 # Apparently it's not possible to portably echo a backslash.
1961 if test "$asmalign_pot" = "yes" ; then
1962 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1963 else
1964 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1965 fi
1966
1967
1968 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1969 ucname="`toupper $codec`"
1970 config_name="CONFIG_$ucname"
1971 enabled_name="ENABLE_$ucname"
1972 if enabled $codec; then
1973 echo "#define $config_name 1" >> $TMPH
1974 echo "#define $enabled_name 1" >> $TMPH
1975 echo "$config_name=yes" >> config.mak
1976 else
1977 echo "#define $enabled_name 0" >> $TMPH
1978 fi
1979 done
1980
1981 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1982 if ! cmp -s $TMPH config.h; then
1983 mv -f $TMPH config.h
1984 else
1985 echo "config.h is unchanged"
1986 fi
1987
1988 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1989
1990 # build tree in object directory if source path is different from current one
1991 if test "$source_path_used" = "yes" ; then
1992 DIRS="\
1993 doc \
1994 libavformat \
1995 libavcodec \
1996 libavcodec/alpha \
1997 libavcodec/armv4l \
1998 libavcodec/bfin \
1999 libavcodec/i386 \
2000 libavcodec/sparc \
2001 libavcodec/mlib \
2002 libavcodec/ppc \
2003 libavcodec/liba52 \
2004 libpostproc \
2005 libavutil \
2006 libswscale \
2007 tests \
2008 vhook \
2009 "
2010 FILES="\
2011 Makefile \
2012 common.mak \
2013 libavformat/Makefile \
2014 libavcodec/Makefile \
2015 libpostproc/Makefile \
2016 libavutil/Makefile \
2017 libswscale/Makefile \
2018 tests/Makefile \
2019 vhook/Makefile \
2020 doc/Makefile \
2021 doc/texi2pod.pl \
2022 "
2023 for dir in $DIRS ; do
2024 mkdir -p $dir
2025 done
2026 for f in $FILES ; do
2027 ln -sf "$source_path/$f" $f
2028 done
2029 fi
2030
2031 # build pkg-config files libav*.pc and libpostproc.pc
2032 # libavutil.pc
2033 cat <<EOF >libavutil.pc
2034 prefix=$PREFIX
2035 exec_prefix=\${prefix}
2036 libdir=\${exec_prefix}/lib
2037 includedir=\${prefix}/include
2038
2039 Name: libavutil
2040 Description: FFmpeg utility library
2041 Version: $lavu_version
2042 Requires:
2043 Conflicts:
2044 Libs: -L\${libdir} -lavutil
2045 Cflags: -I\${includedir} -I\${includedir}/ffmpeg
2046 EOF
2047
2048 cat <<EOF >libavutil-uninstalled.pc
2049 prefix=
2050 exec_prefix=
2051 libdir=\${pcfiledir}/libavutil
2052 includedir=\${pcfiledir}/libavutil
2053
2054 Name: libavutil
2055 Description: FFmpeg utility library
2056 Version: $lavu_version
2057 Requires:
2058 Conflicts:
2059 Libs: \${libdir}/${LIBPREF}avutil${LIBSUF}
2060 Cflags: -I\${includedir}
2061 EOF
2062
2063 # libavcodec.pc
2064 cat <<EOF >libavcodec.pc
2065 prefix=$PREFIX
2066 exec_prefix=\${prefix}
2067 libdir=\${exec_prefix}/lib
2068 includedir=\${prefix}/include
2069
2070 Name: libavcodec
2071 Description: FFmpeg codec library
2072 Version: $lavc_version
2073 Requires: $pkg_requires libavutil = $lavu_version
2074 Conflicts:
2075 Libs: -L\${libdir} -lavcodec $extralibs
2076 Cflags: -I\${includedir} -I\${includedir}/ffmpeg
2077 EOF
2078
2079 cat <<EOF >libavcodec-uninstalled.pc
2080 prefix=
2081 exec_prefix=
2082 libdir=\${pcfiledir}/libavcodec
2083 includedir=\${pcfiledir}/libavcodec
2084
2085 Name: libavcodec
2086 Description: FFmpeg codec library
2087 Version: $lavc_version
2088 Requires: $pkg_requires libavutil = $lavu_version
2089 Conflicts:
2090 Libs: \${libdir}/${LIBPREF}avcodec${LIBSUF} $extralibs
2091 Cflags: -I\${includedir}
2092 EOF
2093
2094 # libavformat.pc
2095 cat <<EOF >libavformat.pc
2096 prefix=$PREFIX
2097 exec_prefix=\${prefix}
2098 libdir=\${exec_prefix}/lib
2099 includedir=\${prefix}/include
2100
2101 Name: libavformat
2102 Description: FFmpeg container format library
2103 Version: $lavf_version
2104 Requires: $pkg_requires libavcodec = $lavc_version
2105 Conflicts:
2106 Libs: -L\${libdir} -lavformat $extralibs
2107 Cflags: -I\${includedir} -I\${includedir}/ffmpeg
2108 EOF
2109
2110 cat <<EOF >libavformat-uninstalled.pc
2111 prefix=
2112 exec_prefix=
2113 libdir=\${pcfiledir}/libavformat
2114 includedir=\${pcfiledir}/libavformat
2115
2116 Name: libavformat
2117 Description: FFmpeg container format library
2118 Version: $lavf_version
2119 Requires: $pkg_requires libavcodec = $lavc_version
2120 Conflicts:
2121 Libs: \${libdir}/${LIBPREF}avformat${LIBSUF} $extralibs
2122 Cflags: -I\${includedir}
2123 EOF
2124
2125
2126 # libpostproc.pc
2127 cat <<EOF >libpostproc.pc
2128 prefix=$PREFIX
2129 exec_prefix=\${prefix}
2130 libdir=\${exec_prefix}/lib
2131 includedir=\${prefix}/include
2132
2133 Name: libpostproc
2134 Description: FFmpeg post processing library
2135 Version: $pp_version
2136 Requires:
2137 Conflicts:
2138 Libs: -L\${libdir} -lpostproc
2139 Cflags: -I\${includedir} -I\${includedir}/postproc
2140 EOF
2141
2142 cat <<EOF >libpostproc-uninstalled.pc
2143 prefix=
2144 exec_prefix=
2145 libdir=\${pcfiledir}/libpostproc
2146 includedir=\${pcfiledir}/libpostproc
2147
2148 Name: libpostproc
2149 Description: FFmpeg post processing library
2150 Version: $pp_version
2151 Requires:
2152 Conflicts:
2153 Libs: \${libdir}/${LIBPREF}postproc${LIBSUF}
2154 Cflags: -I\${includedir}
2155 EOF
2156
2157 if test "$swscaler" != "no"; then
2158 sws_pc_libs="-L\${libdir} -lswscale"
2159 sws_pc_uninstalled_libs="\${libdir}/${LIBPREF}swscale${LIBSUF}"
2160 sws_pc_requires="$pkg_requires libavutil = $lavu_version"
2161 else
2162 sws_pc_libs=""
2163 sws_pc_uninstalled_libs=""
2164 sws_pc_requires="$pkg_requires libavcodec = $lavc_version"
2165 fi
2166 # libswscale.pc
2167 cat <<EOF >libswscale.pc
2168 prefix=$PREFIX
2169 exec_prefix=\${prefix}
2170 libdir=\${exec_prefix}/lib
2171 includedir=\${prefix}/include
2172
2173 Name: libswscale
2174 Description: FFmpeg image rescaling library
2175 Version: $sws_version
2176 Requires: $sws_pc_requires
2177 Conflicts:
2178 Libs: $sws_pc_libs
2179 Cflags: -I\${includedir} -I\${includedir}/swscale
2180 EOF
2181
2182 cat <<EOF >libswscale-uninstalled.pc
2183 prefix=
2184 exec_prefix=
2185 libdir=\${pcfiledir}/libswscale
2186 includedir=\${pcfiledir}/libswscale
2187
2188 Name: libswscale
2189 Description: FFmpeg image rescaling library
2190 Version: $sws_version
2191 Requires: $sws_pc_requires
2192 Conflicts:
2193 Libs: $sws_pc_uninstalled_libs
2194 Cflags: -I\${includedir}
2195 EOF