Replace fail test with the die function.
[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-w32threads use Win32 threads [default=no]"
92 echo " --enable-x11grab enable X11 grabbing [default=no]"
93 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
94 echo " and libraw1394 [default=no]"
95 echo " --enable-swscaler software scaler support [default=no]"
96 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
97 echo " --enable-gpl allow use of GPL code, the resulting libav*"
98 echo " and ffmpeg will be under GPL [default=no]"
99 echo ""
100 echo "Advanced options (experts only):"
101 echo " --source-path=PATH path to source code [$source_path]"
102 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
103 echo " --cross-compile assume a cross-compiler is used"
104 echo " --cc=CC use C compiler CC [$cc]"
105 echo " --make=MAKE use specified make [$make]"
106 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
107 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
108 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
109 echo " --build-suffix=SUFFIX suffix for application specific build []"
110 echo " --arch=ARCH select architecture [$arch]"
111 echo " --cpu=CPU selects the minimum cpu required (affects
112 instruction selection, may crash on older CPUs)"
113 echo " --powerpc-perf-enable enable performance report on PPC"
114 echo " (requires enabling PMC)"
115 echo " --disable-mmx disable MMX usage"
116 echo " --disable-armv5te disable armv5te usage"
117 echo " --disable-iwmmxt disable iwmmxt usage"
118 echo " --disable-altivec disable AltiVec usage"
119 echo " --disable-audio-oss disable OSS audio support [default=no]"
120 echo " --disable-audio-beos disable BeOS audio support [default=no]"
121 echo " --disable-v4l disable video4linux grabbing [default=no]"
122 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
123 echo " --disable-bktr disable bktr video grabbing [default=no]"
124 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
125 echo " --disable-network disable network support [default=no]"
126 echo " --disable-ipv6 disable ipv6 support [default=no]"
127 echo " --disable-zlib disable zlib [default=no]"
128 echo " --disable-vhook disable video hooking support"
129 echo " --enable-gprof enable profiling with gprof [$gprof]"
130 echo " --disable-debug disable debugging symbols"
131 echo " --disable-opts disable compiler optimizations"
132 echo " --enable-extra-warnings enable more compiler warnings"
133 echo " --disable-mpegaudio-hp faster (but less accurate)"
134 echo " MPEG audio decoding [default=no]"
135 echo " --disable-protocols disable I/O protocols support [default=no]"
136 echo " --disable-ffmpeg disable ffmpeg build"
137 echo " --disable-ffserver disable ffserver build"
138 echo " --disable-ffplay disable ffplay build"
139 echo " --enable-small optimize for size instead of speed"
140 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
141 echo " --disable-strip disable stripping of executables and shared libraries"
142 echo " --disable-encoder=NAME disables encoder NAME"
143 echo " --enable-encoder=NAME enables encoder NAME"
144 echo " --disable-decoder=NAME disables decoder NAME"
145 echo " --enable-decoder=NAME enables decoder NAME"
146 echo " --disable-encoders disables all encoders"
147 echo " --disable-decoders disables all decoders"
148 echo " --disable-muxer=NAME disables muxer NAME"
149 echo " --enable-muxer=NAME enables muxer NAME"
150 echo " --disable-muxers disables all muxers"
151 echo " --disable-demuxer=NAME disables demuxer NAME"
152 echo " --enable-demuxer=NAME enables demuxer NAME"
153 echo " --disable-demuxers disables all demuxers"
154 echo " --enable-parser=NAME enables parser NAME"
155 echo " --disable-parser=NAME disables parser NAME"
156 echo " --disable-parsers disables all parsers"
157 echo ""
158 echo "NOTE: Object files are built at the place where configure is launched."
159 exit 1
160 }
161
162 log(){
163 echo "$@" >>$logfile
164 }
165
166 log_file(){
167 log BEGIN $1
168 cat -n $1 >>$logfile
169 log END $1
170 }
171
172 echolog(){
173 log "$@"
174 echo "$@"
175 }
176
177 die(){
178 echolog "$@"
179 cat <<EOF
180 If you think configure made a mistake, make sure you are using the latest
181 version from SVN. If the latest version fails, report the problem to the
182 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
183 EOF
184 if enabled logging; then
185 cat <<EOF
186 Include the log file "$logfile" produced by configure as this will help
187 solving the problem.
188 EOF
189 else
190 cat <<EOF
191 Rerun configure with logging enabled (do not use --log=no), and include the
192 log this produces with your report.
193 EOF
194 fi
195 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
196 exit 1
197 }
198
199 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
200 toupper(){
201 echo "$@" | tr '[a-z]' '[A-Z]'
202 }
203
204 set_all(){
205 value=$1
206 shift
207 for var in $*; do
208 eval $var=$value
209 done
210 }
211
212 enable(){
213 set_all yes $*
214 }
215
216 disable(){
217 set_all no $*
218 }
219
220 enabled(){
221 eval test "x\$$1" = "xyes"
222 }
223
224 enabled_all(){
225 for opt; do
226 enabled $opt || return 1
227 done
228 }
229
230 enabled_any(){
231 for opt; do
232 enabled $opt && return 0
233 done
234 }
235
236 print_config(){
237 pfx=$1
238 header=$2
239 makefile=$3
240 shift 3
241 for cfg; do
242 if enabled $cfg; then
243 ucname="${pfx}`toupper $cfg`"
244 echo "#define ${ucname} 1" >> $header
245 echo "${ucname}=yes" >> $makefile
246 fi
247 done
248 }
249
250 flags_saved(){
251 (: ${SAVE_CFLAGS?}) 2>/dev/null
252 }
253
254 save_flags(){
255 flags_saved && return
256 SAVE_CFLAGS="$CFLAGS"
257 SAVE_LDFLAGS="$LDFLAGS"
258 SAVE_extralibs="$extralibs"
259 }
260
261 restore_flags(){
262 CFLAGS="$SAVE_CFLAGS"
263 LDFLAGS="$SAVE_LDFLAGS"
264 extralibs="$SAVE_extralibs"
265 unset SAVE_CFLAGS
266 unset SAVE_LDFLAGS
267 unset SAVE_extralibs
268 }
269
270 temp_cflags(){
271 save_flags
272 CFLAGS="$CFLAGS $*"
273 }
274
275 temp_ldflags(){
276 save_flags
277 LDFLAGS="$LDFLAGS $*"
278 }
279
280 temp_extralibs(){
281 save_flags
282 extralibs="$extralibs $*"
283 }
284
285 append(){
286 var=$1
287 shift
288 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
289 eval "$var=\"\$$var $*\""
290 }
291
292 add_cflags(){
293 append CFLAGS "$@"
294 }
295
296 add_ldflags(){
297 append LDFLAGS "$@"
298 }
299
300 add_extralibs(){
301 append extralibs "$@"
302 }
303
304 check_cmd(){
305 log "$@"
306 "$@" >>$logfile 2>&1
307 }
308
309 check_cc(){
310 log check_cc "$@"
311 cat >$TMPC
312 log_file $TMPC
313 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
314 }
315
316 check_cpp(){
317 log check_cpp "$@"
318 cat >$TMPC
319 log_file $TMPC
320 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
321 }
322
323 check_ld(){
324 log check_ld "$@"
325 check_cc || return
326 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
327 }
328
329 check_cflags(){
330 log check_cflags "$@"
331 check_cc "$@" <<EOF && add_cflags "$@"
332 int x;
333 EOF
334 }
335
336 check_ldflags(){
337 log check_ldflags "$@"
338 check_ld "$@" <<EOF && add_ldflags "$@"
339 int main(){
340 return 0;
341 }
342 EOF
343 }
344
345 check_header(){
346 log check_header "$@"
347 header=$1
348 shift
349 check_cpp "$@" <<EOF
350 #include <$header>
351 int x;
352 EOF
353 err=$?
354 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
355 test "$err" = 0 && enable $var || disable $var
356 return $err
357 }
358
359 check_func(){
360 log check_func "$@"
361 func=$1
362 shift
363 check_ld "$@" <<EOF
364 extern int $func();
365 int main(){
366 $func();
367 }
368 EOF
369 err=$?
370 test "$err" = 0 && enable $func || disable $func
371 return $err
372 }
373
374 check_lib(){
375 log check_lib "$@"
376 header="$1"
377 func="$2"
378 shift 2
379 temp_extralibs "$@"
380 check_header $header && check_func $func && add_extralibs "$@"
381 err=$?
382 restore_flags
383 return $err
384 }
385
386 check_exec(){
387 check_ld "$@" && { test "$cross_compile" = yes || $TMPE >>$logfile 2>&1; }
388 }
389
390 require(){
391 name="$1"
392 header="$2"
393 func="$3"
394 shift 3
395 check_lib $header $func "$@" || die "ERROR: $name not found"
396 }
397
398 apply(){
399 file=$1
400 shift
401 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
402 }
403
404 CONFIG_LIST='
405 encoders
406 decoders
407 parsers
408 muxers
409 demuxers
410 a52
411 a52bin
412 amr
413 amr_nb
414 amr_nb_fixed
415 amr_wb
416 audio_beos
417 audio_oss
418 avisynth
419 beos_netserver
420 bktr
421 dc1394
422 dts
423 dv1394
424 faac
425 faad
426 faadbin
427 ffmpeg
428 ffplay
429 ffserver
430 gpl
431 ipv6
432 libgsm
433 libnut
434 libogg
435 libvorbis
436 memalign_hack
437 mp3lame
438 mpegaudio_hp
439 network
440 pp
441 protocols
442 swscaler
443 vhook
444 video4linux
445 video4linux2
446 wince
447 x11grab
448 x264
449 xvid
450 zlib
451 '
452
453 HAVE_LIST='
454 altivec_h
455 beosthreads
456 byteswap_h
457 dcbzl
458 dlfcn_h
459 dlopen
460 freetype2
461 gprof
462 imlib2
463 inet_aton
464 localtime_r
465 lrintf
466 malloc_h
467 memalign
468 mlib
469 os2
470 os2threads
471 pthreads
472 sdl
473 sdl_video_size
474 threads
475 w32threads
476 '
477
478 # set temporary file name
479 if test ! -z "$TMPDIR" ; then
480 TMPDIR1="${TMPDIR}"
481 elif test ! -z "$TEMPDIR" ; then
482 TMPDIR1="${TEMPDIR}"
483 else
484 TMPDIR1="/tmp"
485 fi
486
487 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
488 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
489 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
490 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
491 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
492
493 # default parameters
494 logging="yes"
495 logfile="config.err"
496 PREFIX="/usr/local"
497 libdir='${PREFIX}/lib'
498 shlibdir="$libdir"
499 incdir='${PREFIX}/include/ffmpeg'
500 mandir='${PREFIX}/man'
501 bindir='${PREFIX}/bin'
502 cross_prefix=""
503 cross_compile="no"
504 cc="gcc"
505 ar="ar"
506 ranlib="ranlib"
507 make="make"
508 strip="strip"
509 arch=`uname -m`
510 cpu="generic"
511 powerpc_perf="no"
512 mmx="default"
513 cmov="no"
514 cmov_is_fast="no"
515 armv5te="default"
516 iwmmxt="default"
517 altivec="default"
518 dcbzl="no"
519 mmi="default"
520 case "$arch" in
521 i386|i486|i586|i686|i86pc|BePC)
522 arch="x86_32"
523 ;;
524 x86_64|amd64)
525 arch="x86_32"
526 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
527 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
528 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
529 arch="x86_64"
530 fi
531 fi
532 ;;
533 # armv4l is a subset of armv[567]*l
534 arm|armv[4567]*l)
535 arch="armv4l"
536 ;;
537 alpha)
538 arch="alpha"
539 ;;
540 "Power Macintosh"|ppc|ppc64|powerpc)
541 arch="powerpc"
542 ;;
543 mips|mipsel|IP*)
544 arch="mips"
545 ;;
546 sun4u|sparc64)
547 arch="sparc64"
548 ;;
549 sparc)
550 arch="sparc"
551 ;;
552 sh4)
553 arch="sh4"
554 ;;
555 parisc|parisc64)
556 arch="parisc"
557 ;;
558 s390|s390x)
559 arch="s390"
560 ;;
561 m68k)
562 arch="m68k"
563 ;;
564 ia64)
565 arch="ia64"
566 ;;
567 bfin)
568 arch="bfin"
569 ;;
570 *)
571 arch="unknown"
572 ;;
573 esac
574 gprof="no"
575 video4linux="yes"
576 video4linux2="yes"
577 bktr="no"
578 audio_oss="yes"
579 audio_beos="no"
580 x11grab="no"
581 dv1394="yes"
582 dc1394="no"
583 network="yes"
584 ipv6="yes"
585 zlib="yes"
586 libgsm="no"
587 mp3lame="no"
588 libnut="no"
589 libogg="no"
590 libvorbis="no"
591 faad="no"
592 faadbin="no"
593 faac="no"
594 xvid="no"
595 x264="no"
596 a52="no"
597 a52bin="no"
598 dts="no"
599 pp="no"
600 mingw32="no"
601 wince="no"
602 os2="no"
603 lstatic="yes"
604 lshared="no"
605 optimize="yes"
606 debug="yes"
607 extrawarnings="no"
608 dostrip="yes"
609 installstrip="-s"
610 extralibs="-lm"
611 bigendian="no"
612 vhook="default"
613 avisynth="no"
614 dlfcn_h="no"
615 dlopen="no"
616 mpegaudio_hp="yes"
617 SHFLAGS='-shared -Wl,-soname,$@'
618 VHOOKSHFLAGS='$(SHFLAGS)'
619 beos_netserver="no"
620 protocols="yes"
621 ffmpeg="yes"
622 ffserver="yes"
623 ffplay="yes"
624 LIBOBJFLAGS=""
625 FFLDFLAGS=-Wl,--warn-common
626 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
627 FFSERVERLDFLAGS=-Wl,-E
628 LDCONFIG="ldconfig"
629 LIBPREF="lib"
630 LIBSUF=".a"
631 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
632 SLIBPREF="lib"
633 SLIBSUF=".so"
634 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
635 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
636 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
637 EXESUF=""
638 BUILDSUF=""
639 amr_nb="no"
640 amr_wb="no"
641 amr_nb_fixed="no"
642 amr_if2="no"
643 mlib="no"
644 pthreads="no"
645 w32threads="no"
646 swscaler="no"
647 gpl="no"
648 memalign_hack="no"
649 asmalign_pot="unknown"
650 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
651
652 # OS specific
653 targetos=`uname -s`
654 case $targetos in
655 BeOS)
656 PREFIX="/boot/home/config"
657 # helps building libavcodec
658 add_cflags "-DPIC -fomit-frame-pointer"
659 # 3 gcc releases known for BeOS, each with ugly bugs
660 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
661 case "$gcc_version" in
662 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
663 mmx="no"
664 ;;
665 *20010315*) echo "BeBits gcc"
666 add_cflags "-fno-expensive-optimizations"
667 ;;
668 esac
669 SHFLAGS=-nostart
670 # disable Linux things
671 audio_oss="no"
672 video4linux="no"
673 video4linux2="no"
674 dv1394="no"
675 # enable BeOS things
676 audio_beos="yes"
677 beosthreads="yes"
678 # no need for libm, but the inet stuff
679 # Check for BONE
680 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
681 extralibs="-lbind -lsocket"
682 else
683 beos_netserver="yes"
684 extralibs="-lnet"
685 fi ;;
686 SunOS)
687 video4linux="no"
688 video4linux2="no"
689 audio_oss="no"
690 dv1394="no"
691 make="gmake"
692 FFLDFLAGS=""
693 FFSERVERLDFLAGS=""
694 SHFLAGS="-shared -Wl,-h,\$@"
695 add_extralibs "-lsocket -lnsl"
696 ;;
697 NetBSD)
698 video4linux="no"
699 video4linux2="no"
700 bktr="yes"
701 audio_oss="yes"
702 dv1394="no"
703 make="gmake"
704 add_extralibs "-lossaudio"
705 ;;
706 OpenBSD)
707 video4linux="no"
708 video4linux2="no"
709 bktr="yes"
710 audio_oss="yes"
711 dv1394="no"
712 need_memalign="no"
713 make="gmake"
714 LIBOBJFLAGS="\$(PIC)"
715 LDCONFIG="ldconfig -m \$(shlibdir)"
716 SHFLAGS='-shared'
717 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
718 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
719 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
720 add_extralibs "-lossaudio"
721 ;;
722 FreeBSD)
723 video4linux="no"
724 video4linux2="no"
725 bktr="yes"
726 audio_oss="yes"
727 dv1394="no"
728 make="gmake"
729 need_memalign="no"
730 add_cflags "-pthread"
731 ;;
732 GNU/kFreeBSD)
733 video4linux="no"
734 video4linux2="no"
735 bktr="yes"
736 audio_oss="yes"
737 dv1394="no"
738 add_cflags "-pthread"
739 ;;
740 BSD/OS)
741 video4linux="no"
742 video4linux2="no"
743 bktr="yes"
744 audio_oss="yes"
745 dv1394="no"
746 extralibs="-lpoll -lgnugetopt -lm"
747 make="gmake"
748 strip="strip -d"
749 installstrip=""
750 ;;
751 Darwin)
752 cc="cc"
753 video4linux="no"
754 video4linux2="no"
755 audio_oss="no"
756 dv1394="no"
757 need_memalign="no"
758 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
759 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
760 extralibs=""
761 strip="strip -x"
762 installstrip=""
763 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
764 SLIBSUF=".dylib"
765 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
766 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
767 FFSERVERLDFLAGS=-Wl,-bind_at_load
768 ;;
769 MINGW32*)
770 # Note: the rest of the mingw32 config is done afterwards as mingw32
771 # can be forced on the command line for Linux cross compilation.
772 mingw32="yes"
773 ;;
774 CYGWIN*)
775 targetos=CYGWIN
776 shlibdir="$bindir"
777 video4linux="no"
778 video4linux2="no"
779 audio_oss="yes"
780 dv1394="no"
781 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
782 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
783 extralibs=""
784 EXESUF=".exe"
785 SLIBPREF="cyg"
786 SLIBSUF=".dll"
787 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
788 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
789 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
790 ;;
791 Linux)
792 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
793 ;;
794 IRIX*)
795 targetos=IRIX
796 ranlib="echo ignoring ranlib"
797 video4linux="no"
798 video4linux2="no"
799 audio_oss="no"
800 make="gmake"
801 ;;
802 OS/2)
803 TMPE=$TMPE".exe"
804 ar="emxomfar -p128"
805 ranlib="echo ignoring ranlib"
806 strip="echo ignoring strip"
807 add_cflags "-Zomf"
808 FFLDFLAGS="-Zomf -Zstack 16384 -s"
809 SHFLAGS="-Zdll -Zomf"
810 FFSERVERLDFLAGS=""
811 LIBPREF=""
812 LIBSUF=".lib"
813 SLIBPREF=""
814 SLIBSUF=".dll"
815 EXESUF=".exe"
816 extralibs=""
817 pkg_requires=""
818 video4linux="no"
819 video4linux2="no"
820 audio_oss="no"
821 dv1394="no"
822 ffserver="no"
823 vhook="no"
824 os2="yes"
825 os2threads="yes"
826 ;;
827 *)
828 targetos="${targetos}-UNKNOWN"
829 ;;
830 esac
831
832 # find source path
833 source_path="`dirname \"$0\"`"
834 source_path_used="yes"
835 if test -z "$source_path" -o "$source_path" = "." ; then
836 source_path="`pwd`"
837 source_path_used="no"
838 else
839 source_path="`cd \"$source_path\"; pwd`"
840 echo "$source_path" | grep -q '[[:blank:]]' &&
841 die "Out of tree builds are impossible with whitespace in source path."
842 fi
843
844 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
845 show_help
846 fi
847
848 FFMPEG_CONFIGURATION=" "
849 for opt do
850 FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "
851 done
852
853 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
854 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
855 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
856 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
857 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
858
859 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
860
861 for opt do
862 optval="${opt#*=}"
863 case "$opt" in
864 --log)
865 ;;
866 --log=*) logging="$optval"
867 ;;
868 --prefix=*) PREFIX="$optval"
869 ;;
870 --libdir=*) libdir="$optval"
871 ;;
872 --shlibdir=*) shlibdir="$optval"
873 ;;
874 --incdir=*) incdir="$optval"
875 ;;
876 --mandir=*) mandir="$optval"
877 ;;
878 --source-path=*) source_path="$optval"
879 ;;
880 --cross-prefix=*) cross_prefix="$optval"
881 ;;
882 --cross-compile) cross_compile=yes
883 ;;
884 --cc=*) cc="$optval"
885 ;;
886 --make=*) make="$optval"
887 ;;
888 --extra-cflags=*) add_cflags "$optval"
889 ;;
890 --extra-ldflags=*) add_ldflags "$optval"
891 ;;
892 --extra-libs=*) add_extralibs "$optval"
893 ;;
894 --build-suffix=*) BUILDSUF="$optval"
895 ;;
896 --arch=*) arch="$optval"
897 ;;
898 --cpu=*) cpu="$optval"
899 ;;
900 --powerpc-perf-enable) powerpc_perf="yes"
901 ;;
902 --disable-mmx) mmx="no"
903 ;;
904 --disable-armv5te) armv5te="no"
905 ;;
906 --disable-iwmmxt) iwmmxt="no"
907 ;;
908 --disable-altivec) altivec="no"
909 ;;
910 --enable-gprof) gprof="yes"
911 ;;
912 --disable-v4l) video4linux="no"
913 ;;
914 --disable-v4l2) video4linux2="no"
915 ;;
916 --disable-bktr) bktr="no"
917 ;;
918 --disable-audio-oss) audio_oss="no"
919 ;;
920 --disable-audio-beos) audio_beos="no"
921 ;;
922 --disable-dv1394) dv1394="no"
923 ;;
924 --disable-network) network="no"; ffserver="no"
925 ;;
926 --disable-ipv6) ipv6="no";
927 ;;
928 --disable-zlib) zlib="no"
929 ;;
930 --enable-a52) a52="yes"
931 ;;
932 --enable-a52bin) a52bin="yes"
933 ;;
934 --enable-dts) dts="yes"
935 ;;
936 --enable-pp) pp="yes"
937 ;;
938 --enable-libgsm) libgsm="yes"
939 ;;
940 --enable-mp3lame) mp3lame="yes"
941 ;;
942 --enable-libnut) libnut="yes"
943 ;;
944 --enable-libogg) libogg="yes"
945 pkg_requires="$pkg_requires ogg >= 1.1"
946 ;;
947 --enable-vorbis) libvorbis="yes"
948 pkg_requires="$pkg_requires vorbis vorbisenc"
949 ;;
950 --enable-faad) faad="yes"
951 ;;
952 --enable-faadbin) faadbin="yes"
953 ;;
954 --enable-faac) faac="yes"
955 ;;
956 --enable-xvid) xvid="yes"
957 ;;
958 --enable-x264) x264="yes"
959 ;;
960 --enable-avisynth) avisynth="yes";
961 ;;
962 --enable-x11grab) x11grab="yes";
963 ;;
964 --enable-dc1394) dc1394="yes"
965 pkg_requires="$pkg_requires libraw1394"
966 ;;
967 --disable-vhook) vhook="no"
968 ;;
969 --enable-mingw32) mingw32="yes"
970 ;;
971 --enable-mingwce) wince="yes"
972 ;;
973 --enable-static) lstatic="yes"
974 ;;
975 --disable-static) lstatic="no"
976 ;;
977 --enable-shared) lshared="yes"
978 ;;
979 --disable-shared) lshared="no"
980 ;;
981 --disable-debug) debug="no"
982 ;;
983 --disable-opts) optimize="no"
984 ;;
985 --enable-extra-warnings) extrawarnings="yes"
986 ;;
987 --disable-mpegaudio-hp) mpegaudio_hp="no"
988 ;;
989 --disable-protocols) protocols="no"; network="no"; ffserver="no"
990 ;;
991 --disable-ffmpeg) ffmpeg="no"
992 ;;
993 --disable-ffserver) ffserver="no"
994 ;;
995 --disable-ffplay) ffplay="no"
996 ;;
997 --enable-small) optimize="small"
998 ;;
999 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1000 ;;
1001 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1002 ;;
1003 --enable-amr_wb) amr="yes"; amr_wb="yes"
1004 ;;
1005 --enable-amr_if2) amr="yes"; amr_if2="yes"
1006 ;;
1007 --enable-sunmlib) mlib="yes"
1008 ;;
1009 --enable-pthreads) pthreads="yes"
1010 ;;
1011 --enable-w32threads) w32threads="yes"
1012 ;;
1013 --enable-swscaler) swscaler="yes"
1014 ;;
1015 --enable-gpl) gpl="yes"
1016 ;;
1017 --enable-memalign-hack) memalign_hack="yes"
1018 ;;
1019 --disable-strip) dostrip="no"
1020 ;;
1021 --enable-encoder=*) enable ${optval}_encoder
1022 ;;
1023 --enable-decoder=*) enable ${optval}_decoder
1024 ;;
1025 --disable-encoder=*) disable ${optval}_encoder
1026 ;;
1027 --disable-decoder=*) disable ${optval}_decoder
1028 ;;
1029 --disable-encoders) disable $ENCODER_LIST
1030 ;;
1031 --disable-decoders) disable $DECODER_LIST
1032 ;;
1033 --enable-muxer=*) enable ${optval}_muxer
1034 ;;
1035 --disable-muxer=*) disable ${optval}_muxer
1036 ;;
1037 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1038 ;;
1039 --enable-demuxer=*) enable ${optval}_demuxer
1040 ;;
1041 --disable-demuxer=*) disable ${optval}_demuxer
1042 ;;
1043 --disable-demuxers) disable $DEMUXER_LIST
1044 ;;
1045 --enable-parser=*) enable ${optval}_parser
1046 ;;
1047 --disable-parser=*) disable ${optval}_parser
1048 ;;
1049 --disable-parsers) disable $PARSER_LIST
1050 ;;
1051 --help) show_help
1052 ;;
1053 *)
1054 echo "Unknown option \"$opt\"."
1055 echo "See $0 --help for available options."
1056 exit 1
1057 ;;
1058 esac
1059 done
1060
1061 if test "$logging" != no; then
1062 test "$logging" = yes || logfile="$logging"
1063 echo "# $0 $@" >$logfile
1064 set >>$logfile
1065 else
1066 logfile=/dev/null
1067 fi
1068
1069 if test "$mingw32" = "yes" -o "$wince" = "yes"; then
1070 if test "$lshared" = "yes" && test "$lstatic" = "yes" ; then
1071 cat <<EOF
1072 You can only build one library type at once on MinGW.
1073 Specify --disable-static --enable-shared to only build
1074 the shared libraries. To build only the static libraries
1075 you do not need to pass additional options.
1076 EOF
1077 exit 1
1078 fi
1079 video4linux="no"
1080 video4linux2="no"
1081 audio_oss="no"
1082 dv1394="no"
1083 dc1394="no"
1084 ffserver="no"
1085 network="no"
1086 if test "$wince" = "yes"; then
1087 protocols="no"
1088 fi
1089 SLIBPREF=""
1090 SLIBSUF=".dll"
1091 EXESUF=".exe"
1092 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1093 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1094 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1095 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1096 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1097 fi
1098
1099 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1100 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1101
1102 test -n "$cross_prefix" && cross_compile=yes
1103 cc="${cross_prefix}${cc}"
1104 ar="${cross_prefix}${ar}"
1105 ranlib="${cross_prefix}${ranlib}"
1106 strip="${cross_prefix}${strip}"
1107
1108 # we need to build at least one lib type
1109 if test "$lstatic" = "no" && test "$lshared" = "no" ; then
1110 cat <<EOF
1111 At least one library type must be built.
1112 Specify --enable-static to build the static libraries or --enable-shared to
1113 build the shared libraries as well. To only build the shared libraries specify
1114 --disable-static in addition to --enable-shared.
1115 EOF
1116 exit 1;
1117 fi
1118
1119 if test "$libvorbis" = "yes" && test "$libogg" = "no"; then
1120 die "libogg must be enabled to enable libvorbis."
1121 fi
1122
1123 if test "$gpl" != "yes"; then
1124 if test "$pp" != "no"; then
1125 die "The Postprocessing code is under GPL and --enable-gpl is not specified."
1126 fi
1127
1128 if test "$a52" != "no" -o "$a52bin" != "no"; then
1129 die "liba52 is under GPL and --enable-gpl is not specified."
1130 fi
1131
1132 if test "$xvid" != "no"; then
1133 die "libxvidcore is under GPL and --enable-gpl is not specified."
1134 fi
1135
1136 if test "$x264" != "no"; then
1137 die "x264 is under GPL and --enable-gpl is not specified."
1138 fi
1139
1140 if test "$dts" != "no"; then
1141 die "libdts is under GPL and --enable-gpl is not specified."
1142 fi
1143
1144 if test "$faad" != "no" -o "$faadbin" != "no"; then
1145 if check_header faad.h; then
1146 check_cc << EOF
1147 #include <faad.h>
1148 #ifndef FAAD2_VERSION
1149 ok faad1
1150 #endif
1151 int main( void ) { return 0; }
1152 EOF
1153 if test $? = 0 ; then
1154 die "FAAD2 is under GPL and --enable-gpl is not specified."
1155 fi
1156 else
1157 faad="no"
1158 faadbin="no"
1159 echo "FAAD test failed."
1160 fi
1161 fi
1162
1163 if test "$x11grab" != "no"; then
1164 die "The X11 grabber is under GPL and --enable-gpl is not specified."
1165 fi
1166
1167 if test "$swscaler" != "no"; then
1168 die "The software scaler is under GPL and --enable-gpl is not specified."
1169 fi
1170 fi
1171
1172 # compute MMX state
1173 if test $mmx = "default"; then
1174 if test $arch = "x86_32" -o $arch = "x86_64"; then
1175 mmx="yes"
1176 else
1177 mmx="no"
1178 fi
1179 fi
1180
1181 test -z "$need_memalign" && need_memalign="$mmx"
1182
1183 #Darwin CC versions
1184 needmdynamicnopic="no"
1185 if test $targetos = Darwin; then
1186 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1187 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1188 else
1189 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1190 case "$gcc_version" in
1191 *2.95*)
1192 add_cflags "-no-cpp-precomp -pipe"
1193 ;;
1194 *[34].*)
1195 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1196 if test "$lshared" = no; then
1197 needmdynamicnopic="yes"
1198 fi
1199 ;;
1200 *)
1201 add_cflags "-no-cpp-precomp -pipe"
1202 if test "$lshared" = no; then
1203 needmdynamicnopic="yes"
1204 fi
1205 ;;
1206 esac
1207 fi
1208 fi
1209
1210 if test $optimize != "no"; then
1211 add_cflags "-fomit-frame-pointer"
1212 fi
1213
1214 # Can only do AltiVec on PowerPC
1215 if test $altivec = "default"; then
1216 if test $arch = "powerpc"; then
1217 altivec="yes"
1218 else
1219 altivec="no"
1220 fi
1221 fi
1222
1223 # Add processor-specific flags
1224 POWERPCMODE="32bits"
1225 if test $cpu != "generic"; then
1226 case $cpu in
1227 601|ppc601|PowerPC601)
1228 add_cflags "-mcpu=601"
1229 if test $altivec = "yes"; then
1230 echo "WARNING: Tuning for PPC601 but AltiVec enabled!";
1231 fi
1232 ;;
1233 603*|ppc603*|PowerPC603*)
1234 add_cflags "-mcpu=603"
1235 if test $altivec = "yes"; then
1236 echo "WARNING: Tuning for PPC603 but AltiVec enabled!";
1237 fi
1238 ;;
1239 604*|ppc604*|PowerPC604*)
1240 add_cflags "-mcpu=604"
1241 if test $altivec = "yes"; then
1242 echo "WARNING: Tuning for PPC604 but AltiVec enabled!";
1243 fi
1244 ;;
1245 G3|g3|75*|ppc75*|PowerPC75*)
1246 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1247 if test $altivec = "yes"; then
1248 echo "WARNING: Tuning for PPC75x but AltiVec enabled!";
1249 fi
1250 ;;
1251 G4|g4|745*|ppc745*|PowerPC745*)
1252 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1253 if test $altivec = "no"; then
1254 echo "WARNING: Tuning for PPC745x but AltiVec disabled!";
1255 fi
1256 ;;
1257 74*|ppc74*|PowerPC74*)
1258 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1259 if test $altivec = "no"; then
1260 echo "WARNING: Tuning for PPC74xx but AltiVec disabled!";
1261 fi
1262 ;;
1263 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1264 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1265 if test $altivec = "no"; then
1266 echo "WARNING: Tuning for PPC970 but AltiVec disabled!";
1267 fi
1268 POWERPCMODE="64bits"
1269 ;;
1270 # targets that do NOT support conditional mov (cmov)
1271 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1272 add_cflags "-march=$cpu"
1273 cmov="no"
1274 ;;
1275 # targets that do support conditional mov (cmov)
1276 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx)
1277 add_cflags "-march=$cpu"
1278 cmov="yes"
1279 cmov_is_fast="yes"
1280 ;;
1281 # targets that do support conditional mov but on which it's slow
1282 pentium4|prescott|nocona)
1283 add_cflags "-march=$cpu"
1284 cmov="yes"
1285 cmov_is_fast="no"
1286 ;;
1287 sparc64)
1288 add_cflags "-mcpu=v9"
1289 ;;
1290 *)
1291 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1292 ;;
1293 esac
1294 fi
1295
1296 # make sure we can execute files in $TMPDIR
1297 cat >$TMPE 2>>$logfile <<EOF
1298 #! /bin/sh
1299 EOF
1300 chmod +x $TMPE >>$logfile 2>&1
1301 if ! $TMPE >>$logfile 2>&1; then
1302 cat <<EOF
1303 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1304 variable to another directory and make sure that $TMPDIR1 is not mounted
1305 noexec.
1306 EOF
1307 die "Sanity test failed."
1308 fi
1309 rm $TMPE
1310
1311 # compiler sanity check
1312 check_exec <<EOF
1313 int main(){
1314 return 0;
1315 }
1316 EOF
1317 if test "$?" != 0; then
1318 echo "$cc is unable to create an executable file."
1319 if test -z "$cross_prefix" -a "$cross_compile" = no; then
1320 echo "If $cc is a cross-compiler, use the --cross-compile option."
1321 echo "Only do this if you know what cross compiling means."
1322 fi
1323 die "C compiler test failed."
1324 fi
1325
1326 # check for assembler specific support
1327
1328 if test $arch = "powerpc"; then
1329 check_cc <<EOF && dcbzl=yes
1330 int main(void) {
1331 register long zero = 0;
1332 char data[1024];
1333 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1334 return 0;
1335 }
1336 EOF
1337 fi
1338
1339 # check for SIMD availability
1340
1341 # AltiVec flags: The FSF version of GCC differs from the Apple version
1342 if test $arch = "powerpc"; then
1343 if test $altivec = "yes"; then
1344 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1345 add_cflags "-faltivec"
1346 else
1347 add_cflags "-maltivec -mabi=altivec"
1348 fi
1349 fi
1350 fi
1351
1352 check_header altivec.h
1353
1354 # check if our compiler supports Motorola AltiVec C API
1355 if test $altivec = "yes"; then
1356 if test $altivec_h = "yes"; then
1357 inc_altivec_h="#include <altivec.h>"
1358 else
1359 inc_altivec_h=
1360 fi
1361 check_cc <<EOF || altivec=no
1362 $inc_altivec_h
1363 int main(void) {
1364 vector signed int v1, v2, v3;
1365 v1 = vec_add(v2,v3);
1366 return 0;
1367 }
1368 EOF
1369 fi
1370
1371 # check armv5te instructions support
1372 if test $armv5te = "default" -a $arch = "armv4l"; then
1373 armv5te=no
1374 check_cc <<EOF && armv5te=yes
1375 int main(void) {
1376 __asm__ __volatile__ ("qadd r0, r0, r0");
1377 }
1378 EOF
1379 fi
1380
1381 # check iwmmxt support
1382 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1383 iwmmxt=no
1384 check_cc <<EOF && iwmmxt=yes
1385 int main(void) {
1386 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1387 }
1388 EOF
1389 fi
1390
1391 # mmi only available on mips
1392 if test $mmi = "default"; then
1393 if test $arch = "mips"; then
1394 mmi="yes"
1395 else
1396 mmi="no"
1397 fi
1398 fi
1399
1400 # check if our compiler supports mmi
1401 enabled mmi && check_cc <<EOF || mmi="no"
1402 int main(void) {
1403 __asm__ ("lq \$2, 0(\$2)");
1404 return 0;
1405 }
1406 EOF
1407
1408 # ---
1409 # big/little-endian test
1410 if test "$cross_compile" = "no"; then
1411 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1412 #include <inttypes.h>
1413 int main(int argc, char ** argv){
1414 volatile uint32_t i=0x01234567;
1415 return (*((uint8_t*)(&i))) == 0x67;
1416 }
1417 EOF
1418 else
1419 # programs cannot be launched if cross compiling, so make a static guess
1420 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1421 bigendian="yes"
1422 fi
1423 fi
1424
1425 # ---
1426 # check availability of some header files
1427
1428 check_header malloc.h
1429 check_func memalign
1430
1431 if test "$memalign" = "no" -a "$need_memalign" = "yes" -a \
1432 "$memalign_hack" != "yes"; then
1433 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1434 fi
1435
1436 check_header byteswap.h
1437
1438 check_func inet_aton
1439 check_func localtime_r
1440 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1441
1442 # check for some common methods of building with pthread support
1443 # do this before the optional library checks as some of them require pthreads
1444 if enabled pthreads; then
1445 if check_func pthread_create; then
1446 :
1447 elif check_func pthread_create -pthread; then
1448 add_cflags -pthread
1449 add_ldflags -pthread
1450 elif check_func pthread_create -pthreads; then
1451 add_cflags -pthreads
1452 add_ldflags -pthreads
1453 elif ! check_lib pthread.h pthread_create -lpthread; then
1454 die "ERROR: can't find pthreads library"
1455 fi
1456 fi
1457
1458 # these are off by default, so fail if requested and not available
1459 enabled dts && require libdts dts.h dts_init -ldts -lm
1460 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1461 enabled mp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1462 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1463 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1464 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1465 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1466 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1467 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1468 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1469
1470 # Ugh, faac uses stdcall calling convention on win32 so we can't use
1471 # the generic test functions
1472 if enabled faac; then
1473 save_flags
1474 temp_extralibs -lfaac
1475 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1476 #include <stdint.h>
1477 #include <faac.h>
1478 int main(){
1479 char *id, *cpr;
1480 faacEncGetVersion(&id, &cpr);
1481 return 0;
1482 }
1483 EOF
1484 restore_flags
1485 fi
1486
1487 # Ugh, recent faad2 versions have renamed all functions and #define the
1488 # old names in faad.h. Generic tests won't work.
1489 if enabled faad; then
1490 save_flags
1491 temp_extralibs -lfaad
1492 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1493 #include <faad.h>
1494 int main(){
1495 faacDecOpen();
1496 return 0;
1497 }
1498 EOF
1499 restore_flags
1500 fi
1501
1502 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1503 if enabled avisynth; then
1504 save_flags
1505 temp_extralibs -lvfw32
1506 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1507 #include <windows.h>
1508 #include <vfw.h>
1509 int main(){
1510 AVIFileInit();
1511 return 0;
1512 }
1513 EOF
1514 restore_flags
1515 fi
1516
1517
1518 # test for lrintf in math.h
1519 check_exec <<EOF && lrintf=yes || lrintf=no
1520 #define _ISOC9X_SOURCE 1
1521 #include <math.h>
1522 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1523 EOF
1524
1525 _restrict=
1526 for restrict_keyword in restrict __restrict__ __restrict; do
1527 check_cc <<EOF && _restrict=$restrict_keyword && break
1528 void foo(char * $restrict_keyword p);
1529 EOF
1530 done
1531
1532 # dlopen/dlfcn.h probing
1533
1534 check_header dlfcn.h
1535
1536 if check_func dlopen; then
1537 ldl=
1538 elif check_func dlopen -ldl; then
1539 ldl=-ldl
1540 fi
1541
1542 if test "$vhook" = "default"; then
1543 vhook="$dlopen"
1544 fi
1545
1546 if enabled_any vhook a52bin faadbin; then
1547 add_extralibs $ldl
1548 fi
1549
1550 if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
1551 vhook="no"
1552 echo
1553 echo "At the moment vhooks don't work on Cygwin static builds."
1554 echo "Patches welcome."
1555 echo
1556 fi
1557
1558 if enabled vhook; then
1559 check_ldflags -rdynamic
1560 check_ldflags -export-dynamic
1561 fi
1562
1563 if enabled audio_beos; then
1564 add_extralibs "-lmedia -lbe"
1565 fi
1566
1567 ##########################################
1568 # imlib check
1569
1570 temp_extralibs -lImlib2
1571 check_ld <<EOF && imlib2=yes || imlib2=no
1572 #include <X11/Xlib.h>
1573 #include <Imlib2.h>
1574 int main( void ) { return (int) imlib_load_font("foo"); }
1575 EOF
1576 restore_flags
1577
1578 ##########################################
1579 # FreeType check
1580
1581 freetype2=no
1582 if test "x$targetos" != "xBeOS"; then
1583 if (freetype-config --version) >/dev/null 2>&1 ; then
1584 temp_cflags `freetype-config --cflags`
1585 temp_extralibs `freetype-config --libs`
1586 check_ld <<EOF && freetype2=yes
1587 #include <ft2build.h>
1588 int main( void ) { return (int) FT_Init_FreeType(0); }
1589 EOF
1590 restore_flags
1591 fi
1592 fi
1593
1594 ##########################################
1595 # SDL check
1596
1597 sdl_too_old=no
1598 sdl=no
1599 SDL_CONFIG="${cross_prefix}sdl-config"
1600 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1601 temp_cflags `"${SDL_CONFIG}" --cflags`
1602 temp_extralibs `"${SDL_CONFIG}" --libs`
1603 check_ld <<EOF
1604 #include <SDL.h>
1605 #undef main /* We don't want SDL to override our main() */
1606 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1607 EOF
1608 if test $? = 0; then
1609 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1610 if test "$_sdlversion" -lt 121 ; then
1611 sdl_too_old=yes
1612 else
1613 sdl=yes
1614 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1615 #include <SDL.h>
1616 int main(void){
1617 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1618 int w = vi->current_w;
1619 return 0;
1620 }
1621 EOF
1622 fi
1623 fi
1624 restore_flags
1625 fi
1626
1627 enabled sdl || ffplay=no
1628
1629 ##########################################
1630 # texi2html check
1631
1632 texi2html=no
1633 if (texi2html -version) >/dev/null 2>&1; then
1634 texi2html=yes
1635 fi
1636
1637 ##########################################
1638 # IPv6 check
1639
1640 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1641 #include <sys/types.h>
1642 #include <sys/socket.h>
1643 #include <netinet/in.h>
1644 #include <netdb.h>
1645 int main( void ) {
1646 struct sockaddr_storage saddr;
1647 struct ipv6_mreq mreq6;
1648 getaddrinfo(0,0,0,0);
1649 getnameinfo(0,0,0,0,0,0,0);
1650 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1651 }
1652 EOF
1653
1654 # check for video4linux2 --- V4L2_PIX_FMT_YUV420
1655 enabled video4linux2 && check_cc <<EOF || video4linux2="no"
1656 #include <sys/time.h>
1657 #include <asm/types.h>
1658 #include <linux/videodev2.h>
1659 int dummy = V4L2_PIX_FMT_YUV420;
1660 struct v4l2_buffer dummy1;
1661 EOF
1662
1663 # Deal with the x11 frame grabber
1664 enabled x11grab &&
1665 enabled gpl &&
1666 enabled x11_grab_device_demuxer &&
1667 check_header X11/Xlib.h &&
1668 check_header X11/extensions/XShm.h &&
1669 check_func XOpenDisplay -lX11 &&
1670 check_func XShmCreateImage -lX11 -lXext &&
1671 add_extralibs -lX11 -lXext ||
1672 disable x11_grab_device_demuxer
1673
1674 enabled debug && add_cflags -g
1675
1676 # add some useful compiler flags if supported
1677 check_cflags -Wdeclaration-after-statement
1678 check_cflags -Wall
1679 check_cflags -Wno-switch
1680 check_cflags -Wdisabled-optimization
1681 check_cflags -Wpointer-arith
1682 check_cflags -Wredundant-decls
1683 enabled extrawarnings && check_cflags -Winline
1684
1685 # add some linker flags
1686 check_ldflags $LDLATEFLAGS
1687
1688 # not all compilers support -Os
1689 test "$optimize" = "small" && check_cflags -Os
1690
1691 if enabled optimize; then
1692 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1693 add_cflags "-O5"
1694 add_ldflags "-O5"
1695 else
1696 add_cflags "-O3"
1697 fi
1698 fi
1699
1700 # PIC flags for shared library objects where they are needed
1701 if test "$lshared" = "yes" ; then
1702 # LIBOBJFLAGS may have already been set in the OS configuration
1703 if test -z "$LIBOBJFLAGS" ; then
1704 case "$arch" in
1705 x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
1706 esac
1707 fi
1708 fi
1709
1710 if test "$gprof" = "yes" ; then
1711 add_cflags "-p"
1712 add_ldflags "-p"
1713 fi
1714
1715 VHOOKCFLAGS="-fPIC $CFLAGS"
1716 test "$needmdynamicnopic" = yes && add_cflags -mdynamic-no-pic
1717
1718 # find if .align arg is power-of-two or not
1719 if test $asmalign_pot = "unknown"; then
1720 asmalign_pot="no"
1721 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1722 fi
1723
1724 echo "install prefix $PREFIX"
1725 echo "source path $source_path"
1726 echo "C compiler $cc"
1727 echo "make $make"
1728 echo "ARCH $arch ($cpu)"
1729 if test "$BUILDSUF" != ""; then
1730 echo "build suffix $BUILDSUF"
1731 fi
1732 echo "big-endian $bigendian"
1733 if test $arch = "x86_32" -o $arch = "x86_64"; then
1734 echo "MMX enabled $mmx"
1735 echo "CMOV enabled $cmov"
1736 echo "CMOV is fast $cmov_is_fast"
1737 fi
1738 if test $arch = "armv4l"; then
1739 echo "ARMv5TE enabled $armv5te"
1740 echo "IWMMXT enabled $iwmmxt"
1741 fi
1742 if test $arch = "mips"; then
1743 echo "MMI enabled $mmi"
1744 fi
1745 if test $arch = "powerpc"; then
1746 echo "AltiVec enabled $altivec"
1747 echo "dcbzl available $dcbzl"
1748 fi
1749 echo "gprof enabled $gprof"
1750 echo "zlib enabled $zlib"
1751 echo "libgsm enabled $libgsm"
1752 echo "mp3lame enabled $mp3lame"
1753 echo "libnut enabled $libnut"
1754 echo "libogg enabled $libogg"
1755 echo "Vorbis enabled $libvorbis"
1756 echo "FAAD enabled $faad"
1757 echo "faadbin enabled $faadbin"
1758 echo "FAAC enabled $faac"
1759 echo "XviD enabled $xvid"
1760 echo "x264 enabled $x264"
1761 echo "a52 support $a52"
1762 echo "a52 dlopened $a52bin"
1763 echo "DTS support $dts"
1764 echo "pp support $pp"
1765 echo "Software Scaler enabled $swscaler"
1766 echo "AVISynth enabled $avisynth"
1767 echo "debug symbols $debug"
1768 echo "strip symbols $dostrip"
1769 echo "optimize $optimize"
1770 echo "static $lstatic"
1771 echo "shared $lshared"
1772 echo "video hooking $vhook"
1773 echo "SDL support $sdl"
1774 if test $sdl_too_old = "yes"; then
1775 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1776 fi
1777
1778 if test "$vhook" = "yes"; then
1779 echo "Imlib2 support $imlib2"
1780 echo "FreeType support $freetype2"
1781 fi
1782 echo "Sun medialib support" $mlib
1783 echo "pthreads support" $pthreads
1784 echo "AMR-NB float support" $amr_nb
1785 echo "AMR-NB fixed support" $amr_nb_fixed
1786 echo "AMR-WB float support" $amr_wb
1787 echo "AMR-WB IF2 support" $amr_if2
1788 echo "network support $network"
1789 if test "$network" = "yes" ; then
1790 echo "IPv6 support $ipv6"
1791 fi
1792 echo ".align is power-of-two" $asmalign_pot
1793 if test "$gpl" = "no" ; then
1794 echo "License: LGPL"
1795 else
1796 echo "License: GPL"
1797 fi
1798
1799 echo "Creating config.mak and config.h..."
1800
1801 echo "# Automatically generated by configure - do not modify!" > config.mak
1802 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1803 echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH
1804
1805 echo "PREFIX=$PREFIX" >> config.mak
1806 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1807 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1808 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1809 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1810 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1811 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1812 echo "MAKE=$make" >> config.mak
1813 echo "CC=$cc" >> config.mak
1814 echo "AR=$ar" >> config.mak
1815 echo "RANLIB=$ranlib" >> config.mak
1816 if test "$dostrip" = "yes" ; then
1817 echo "STRIP=$strip" >> config.mak
1818 echo "INSTALLSTRIP=$installstrip" >> config.mak
1819 else
1820 echo "STRIP=echo ignoring strip" >> config.mak
1821 echo "INSTALLSTRIP=" >> config.mak
1822 fi
1823
1824 echo "OPTFLAGS=$CFLAGS" >> config.mak
1825 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1826 echo "LDFLAGS=$LDFLAGS" >> config.mak
1827 echo "LDCONFIG=$LDCONFIG" >> config.mak
1828 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1829 echo "SHFLAGS=$SHFLAGS" >> config.mak
1830 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1831 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1832 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1833 echo "BUILD_STATIC=$lstatic" >> config.mak
1834 echo "BUILDSUF=$BUILDSUF" >> config.mak
1835 echo "LIBPREF=$LIBPREF" >> config.mak
1836 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1837 if test "$lstatic" = "yes" ; then
1838 echo "LIB=$LIB" >> config.mak
1839 else # Some Make complain if this variable does not exist.
1840 echo "LIB=" >> config.mak
1841 fi
1842 echo "SLIBPREF=$SLIBPREF" >> config.mak
1843 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1844 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1845 echo "TARGET_OS=$targetos" >> config.mak
1846
1847 ucarch=`toupper $arch`
1848 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1849 echo "#define ARCH_${ucarch} 1" >> $TMPH
1850
1851 # special cases
1852 case "$arch" in
1853 x86_32|x86_64)
1854 echo "TARGET_ARCH_X86=yes" >> config.mak
1855 echo "#define ARCH_X86 1" >> $TMPH
1856 ;;
1857 powerpc)
1858 if test "$POWERPCMODE" = "64bits"; then
1859 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1860 fi
1861 if test "$powerpc_perf" = "yes"; then
1862 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1863 fi
1864 ;;
1865 sparc64)
1866 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1867 echo "#define ARCH_SPARC 1" >> $TMPH
1868 ;;
1869 esac
1870
1871 if test "$bigendian" = "yes" ; then
1872 echo "WORDS_BIGENDIAN=yes" >> config.mak
1873 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1874 fi
1875 if test "$mmx" = "yes" ; then
1876 echo "TARGET_MMX=yes" >> config.mak
1877 echo "#define HAVE_MMX 1" >> $TMPH
1878 echo "#define __CPU__ 586" >> $TMPH
1879 fi
1880 if test "$cmov" = "yes" ; then
1881 echo "TARGET_CMOV=yes" >> config.mak
1882 echo "#define HAVE_CMOV 1" >> $TMPH
1883 fi
1884 if test "$cmov_is_fast" = "yes" ; then
1885 echo "TARGET_CMOV_IS_FAST=yes" >> config.mak
1886 echo "#define CMOV_IS_FAST 1" >> $TMPH
1887 fi
1888 if test "$armv5te" = "yes" ; then
1889 echo "TARGET_ARMV5TE=yes" >> config.mak
1890 echo "#define HAVE_ARMV5TE 1" >> $TMPH
1891 fi
1892 if test "$iwmmxt" = "yes" ; then
1893 echo "TARGET_IWMMXT=yes" >> config.mak
1894 echo "#define HAVE_IWMMXT 1" >> $TMPH
1895 fi
1896 if test "$mmi" = "yes" ; then
1897 echo "TARGET_MMI=yes" >> config.mak
1898 echo "#define HAVE_MMI 1" >> $TMPH
1899 fi
1900
1901 if test "$altivec" = "yes" ; then
1902 echo "TARGET_ALTIVEC=yes" >> config.mak
1903 echo "#define HAVE_ALTIVEC 1" >> $TMPH
1904 fi
1905
1906 if test "$sdl" = "yes" ; then
1907 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1908 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1909 fi
1910 if test "$texi2html" = "yes"; then
1911 echo "BUILD_DOC=yes" >> config.mak
1912 fi
1913
1914 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1915 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1916 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1917 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1918 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1919
1920
1921
1922 if test "$lshared" = "yes" ; then
1923 echo "BUILD_SHARED=yes" >> config.mak
1924 echo "PIC=-fPIC -DPIC" >> config.mak
1925 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1926 echo "SPPVERSION=$pp_version" >> config.mak
1927 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1928 echo "LAVCVERSION=$lavc_version" >> config.mak
1929 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1930 echo "LAVFVERSION=$lavf_version" >> config.mak
1931 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1932 echo "LAVUVERSION=$lavu_version" >> config.mak
1933 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1934 echo "SWSVERSION=$sws_version" >> config.mak
1935 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1936 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1937 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1938 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1939 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1940 fi
1941 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1942 echo "EXTRALIBS=$extralibs" >> config.mak
1943
1944 enabled_any $ENCODER_LIST && enable encoders
1945 enabled_any $DECODER_LIST && enable decoders
1946 enabled_any $MUXER_LIST && enable muxers
1947 enabled_any $DEMUXER_LIST && enable demuxers
1948
1949 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1950
1951 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1952 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1953
1954 if test "$targetos" = "Darwin"; then
1955 echo "#define CONFIG_DARWIN 1" >> $TMPH
1956 fi
1957
1958 echo "#define restrict $_restrict" >> $TMPH
1959
1960 if test "$optimize" = "small"; then
1961 echo "#define always_inline" >> $TMPH
1962 echo "#define CONFIG_SMALL 1" >> $TMPH
1963 fi
1964
1965 echo "SRC_PATH=\"$source_path\"" >> config.mak
1966 echo "SRC_PATH_BARE=$source_path" >> config.mak
1967 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1968
1969 if test "$amr_if2" = "yes" ; then
1970 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1971 fi
1972
1973 # Apparently it's not possible to portably echo a backslash.
1974 if test "$asmalign_pot" = "yes" ; then
1975 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1976 else
1977 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1978 fi
1979
1980
1981 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1982 ucname="`toupper $codec`"
1983 config_name="CONFIG_$ucname"
1984 enabled_name="ENABLE_$ucname"
1985 if enabled $codec; then
1986 echo "#define $config_name 1" >> $TMPH
1987 echo "#define $enabled_name 1" >> $TMPH
1988 echo "$config_name=yes" >> config.mak
1989 else
1990 echo "#define $enabled_name 0" >> $TMPH
1991 fi
1992 done
1993
1994 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1995 if ! cmp -s $TMPH config.h; then
1996 mv -f $TMPH config.h
1997 else
1998 echo "config.h is unchanged"
1999 fi
2000
2001 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2002
2003 # build tree in object directory if source path is different from current one
2004 if test "$source_path_used" = "yes" ; then
2005 DIRS="\
2006 doc \
2007 libavformat \
2008 libavcodec \
2009 libavcodec/alpha \
2010 libavcodec/armv4l \
2011 libavcodec/bfin \
2012 libavcodec/i386 \
2013 libavcodec/sparc \
2014 libavcodec/mlib \
2015 libavcodec/ppc \
2016 libavcodec/liba52 \
2017 libavcodec/amr \
2018 libavcodec/amr_float \
2019 libavcodec/amrwb_float \
2020 libpostproc \
2021 libavutil \
2022 libswscale \
2023 tests \
2024 vhook \
2025 "
2026 FILES="\
2027 Makefile \
2028 common.mak \
2029 libavformat/Makefile \
2030 libavcodec/Makefile \
2031 libpostproc/Makefile \
2032 libavutil/Makefile \
2033 libswscale/Makefile \
2034 tests/Makefile \
2035 vhook/Makefile \
2036 doc/Makefile \
2037 doc/texi2pod.pl \
2038 "
2039 for dir in $DIRS ; do
2040 mkdir -p $dir
2041 done
2042 for f in $FILES ; do
2043 ln -sf "$source_path/$f" $f
2044 done
2045 fi
2046
2047
2048 # build pkg-config files
2049
2050 pkgconfig_generate(){
2051 name=$1
2052 comment=$2
2053 version=$3
2054 libs=$4
2055 requires=$5
2056 include=$6
2057 cat <<EOF >$name.pc
2058 prefix=$PREFIX
2059 exec_prefix=\${prefix}
2060 libdir=\${exec_prefix}/lib
2061 includedir=\${prefix}/include
2062
2063 Name: $name
2064 Description: $comment
2065 Version: $version
2066 Requires: $requires
2067 Conflicts:
2068 Libs: -L\${libdir} $libs
2069 Cflags: -I\${includedir} -I\${includedir}/$include
2070 EOF
2071 }
2072
2073 pkgconfig_generate_uninstalled(){
2074 name=$1
2075 shortname=${name#lib}
2076 comment=$2
2077 version=$3
2078 libs=$4
2079 requires=$5
2080 cat <<EOF >$name-uninstalled.pc
2081 prefix=
2082 exec_prefix=
2083 libdir=\${pcfiledir}/$name
2084 includedir=\${pcfiledir}/$name
2085
2086 Name: $name
2087 Description: $comment
2088 Version: $version
2089 Requires: $requires
2090 Conflicts:
2091 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2092 Cflags: -I\${includedir}
2093 EOF
2094 }
2095
2096 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2097 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2098
2099 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2100 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2101
2102 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2103 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2104
2105 if test "$pp" = "yes"; then
2106 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2107 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2108 fi
2109
2110 if test "$swscaler" != "no"; then
2111 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "$pkg_requires libavutil = $lavu_version" swscale
2112 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavutil = $lavu_version"
2113 else
2114 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2115 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2116 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2117 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2118 fi