simplify altivec warning
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
65 echo " --enable-mingw32 enable MinGW native/cross Windows compile"
66 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-sunmlib use Sun medialib [default=no]"
74 echo " --enable-beosthreads use BeOS threads [default=no]"
75 echo " --enable-os2threads use OS/2 threads [default=no]"
76 echo " --enable-pthreads use pthreads [default=no]"
77 echo " --enable-w32threads use Win32 threads [default=no]"
78 echo " --enable-x11grab enable X11 grabbing [default=no]"
79 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
80 echo " and libraw1394 [default=no]"
81 echo " --enable-a52 enable GPLed liba52 support [default=no]"
82 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-dts enable GPLed libdts support [default=no]"
85 echo " --enable-faac enable FAAC support via libfaac [default=no]"
86 echo " --enable-faad enable FAAD support via libfaad [default=no]"
87 echo " --enable-faadbin build FAAD support with runtime linking [default=no]"
88 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
89 echo " --enable-mp3lame enable MP3 encoding via libmp3lame [default=no]"
90 echo " --enable-libnut enable NUT (de)muxing via libnut,"
91 echo " native demuxer exists [default=no]"
92 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
93 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
94 echo " --enable-vorbis enable Vorbis en/decoding via libvorbis,"
95 echo " native implementations exist [default=no]"
96 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
97 echo " --enable-xvid enable Xvid encoding via xvidcore,"
98 echo " native MPEG-4/Xvid encoder exists [default=no]"
99 echo " --enable-amr_nb enable amr_nb float audio codec"
100 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
101 echo " --enable-amr_wb enable amr_wb float audio codec"
102 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
103 echo " --enable-gpl allow use of GPL code, the resulting libav*"
104 echo " and ffmpeg will be under GPL [default=no]"
105 echo ""
106 echo "Advanced options (experts only):"
107 echo " --source-path=PATH path to source code [$source_path]"
108 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --cc=CC use C compiler CC [$cc]"
111 echo " --make=MAKE use specified make [$make]"
112 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
113 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
114 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
115 echo " --build-suffix=SUFFIX suffix for application specific build []"
116 echo " --arch=ARCH select architecture [$arch]"
117 echo " --cpu=CPU selects the minimum cpu required (affects
118 instruction selection, may crash on older CPUs)"
119 echo " --powerpc-perf-enable enable performance report on PPC"
120 echo " (requires enabling PMC)"
121 echo " --disable-mmx disable MMX usage"
122 echo " --disable-armv5te disable armv5te usage"
123 echo " --disable-armv6 disable armv6 usage"
124 echo " --disable-iwmmxt disable iwmmxt usage"
125 echo " --disable-altivec disable AltiVec usage"
126 echo " --disable-audio-oss disable OSS audio support [default=no]"
127 echo " --disable-audio-beos disable BeOS audio support [default=no]"
128 echo " --disable-v4l disable video4linux grabbing [default=no]"
129 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
130 echo " --disable-bktr disable bktr video grabbing [default=no]"
131 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
132 echo " --disable-network disable network support [default=no]"
133 echo " --disable-ipv6 disable ipv6 support [default=no]"
134 echo " --disable-zlib disable zlib [default=no]"
135 echo " --disable-vhook disable video hooking support"
136 echo " --enable-gprof enable profiling with gprof [$gprof]"
137 echo " --disable-debug disable debugging symbols"
138 echo " --disable-opts disable compiler optimizations"
139 echo " --enable-extra-warnings enable more compiler warnings"
140 echo " --disable-mpegaudio-hp faster (but less accurate)"
141 echo " MPEG audio decoding [default=no]"
142 echo " --disable-protocols disable I/O protocols support [default=no]"
143 echo " --disable-ffmpeg disable ffmpeg build"
144 echo " --disable-ffserver disable ffserver build"
145 echo " --disable-ffplay disable ffplay build"
146 echo " --enable-small optimize for size instead of speed"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-strip disable stripping of executables and shared libraries"
149 echo " --disable-encoder=NAME disables encoder NAME"
150 echo " --enable-encoder=NAME enables encoder NAME"
151 echo " --disable-decoder=NAME disables decoder NAME"
152 echo " --enable-decoder=NAME enables decoder NAME"
153 echo " --disable-encoders disables all encoders"
154 echo " --disable-decoders disables all decoders"
155 echo " --disable-muxer=NAME disables muxer NAME"
156 echo " --enable-muxer=NAME enables muxer NAME"
157 echo " --disable-muxers disables all muxers"
158 echo " --disable-demuxer=NAME disables demuxer NAME"
159 echo " --enable-demuxer=NAME enables demuxer NAME"
160 echo " --disable-demuxers disables all demuxers"
161 echo " --enable-parser=NAME enables parser NAME"
162 echo " --disable-parser=NAME disables parser NAME"
163 echo " --disable-parsers disables all parsers"
164 echo ""
165 echo "NOTE: Object files are built at the place where configure is launched."
166 exit 1
167 }
168
169 log(){
170 echo "$@" >>$logfile
171 }
172
173 log_file(){
174 log BEGIN $1
175 cat -n $1 >>$logfile
176 log END $1
177 }
178
179 echolog(){
180 log "$@"
181 echo "$@"
182 }
183
184 die(){
185 echolog "$@"
186 cat <<EOF
187 If you think configure made a mistake, make sure you are using the latest
188 version from SVN. If the latest version fails, report the problem to the
189 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
190 EOF
191 if enabled logging; then
192 cat <<EOF
193 Include the log file "$logfile" produced by configure as this will help
194 solving the problem.
195 EOF
196 else
197 cat <<EOF
198 Rerun configure with logging enabled (do not use --log=no), and include the
199 log this produces with your report.
200 EOF
201 fi
202 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
203 exit 1
204 }
205
206 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
207 toupper(){
208 echo "$@" | tr '[a-z]' '[A-Z]'
209 }
210
211 set_all(){
212 value=$1
213 shift
214 for var in $*; do
215 eval $var=$value
216 done
217 }
218
219 enable(){
220 set_all yes $*
221 }
222
223 disable(){
224 set_all no $*
225 }
226
227 enabled(){
228 eval test "x\$$1" = "xyes"
229 }
230
231 disabled(){
232 eval test "x\$$1" = "xno"
233 }
234
235 enabled_all(){
236 for opt; do
237 enabled $opt || return 1
238 done
239 }
240
241 disabled_all(){
242 for opt; do
243 disabled $opt || return 1
244 done
245 }
246
247 enabled_any(){
248 for opt; do
249 enabled $opt && return 0
250 done
251 }
252
253 disabled_any(){
254 for opt; do
255 disabled $opt && return 0
256 done
257 }
258
259 check_deps(){
260 for cfg; do
261 eval dep_all="\$${cfg}_deps"
262 eval dep_any="\$${cfg}_deps_any"
263 enabled_all $dep_all || disable $cfg
264 enabled_any $dep_any || disable $cfg
265 done
266 }
267
268 print_config(){
269 pfx=$1
270 header=$2
271 makefile=$3
272 shift 3
273 for cfg; do
274 if enabled $cfg; then
275 ucname="${pfx}`toupper $cfg`"
276 echo "#define ${ucname} 1" >> $header
277 echo "${ucname}=yes" >> $makefile
278 fi
279 done
280 }
281
282 flags_saved(){
283 (: ${SAVE_CFLAGS?}) 2>/dev/null
284 }
285
286 save_flags(){
287 flags_saved && return
288 SAVE_CFLAGS="$CFLAGS"
289 SAVE_LDFLAGS="$LDFLAGS"
290 SAVE_extralibs="$extralibs"
291 }
292
293 restore_flags(){
294 CFLAGS="$SAVE_CFLAGS"
295 LDFLAGS="$SAVE_LDFLAGS"
296 extralibs="$SAVE_extralibs"
297 unset SAVE_CFLAGS
298 unset SAVE_LDFLAGS
299 unset SAVE_extralibs
300 }
301
302 temp_cflags(){
303 save_flags
304 CFLAGS="$CFLAGS $*"
305 }
306
307 temp_ldflags(){
308 save_flags
309 LDFLAGS="$LDFLAGS $*"
310 }
311
312 temp_extralibs(){
313 save_flags
314 extralibs="$extralibs $*"
315 }
316
317 append(){
318 var=$1
319 shift
320 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
321 eval "$var=\"\$$var $*\""
322 }
323
324 add_cflags(){
325 append CFLAGS "$@"
326 }
327
328 add_ldflags(){
329 append LDFLAGS "$@"
330 }
331
332 add_extralibs(){
333 append extralibs "$@"
334 }
335
336 check_cmd(){
337 log "$@"
338 "$@" >>$logfile 2>&1
339 }
340
341 check_cc(){
342 log check_cc "$@"
343 cat >$TMPC
344 log_file $TMPC
345 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
346 }
347
348 check_cpp(){
349 log check_cpp "$@"
350 cat >$TMPC
351 log_file $TMPC
352 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
353 }
354
355 check_ld(){
356 log check_ld "$@"
357 check_cc || return
358 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
359 }
360
361 check_cflags(){
362 log check_cflags "$@"
363 check_cc "$@" <<EOF && add_cflags "$@"
364 int x;
365 EOF
366 }
367
368 check_ldflags(){
369 log check_ldflags "$@"
370 check_ld "$@" <<EOF && add_ldflags "$@"
371 int main(){
372 return 0;
373 }
374 EOF
375 }
376
377 check_header(){
378 log check_header "$@"
379 header=$1
380 shift
381 check_cpp "$@" <<EOF
382 #include <$header>
383 int x;
384 EOF
385 err=$?
386 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
387 test "$err" = 0 && enable $var || disable $var
388 return $err
389 }
390
391 check_func(){
392 log check_func "$@"
393 func=$1
394 shift
395 check_ld "$@" <<EOF
396 extern int $func();
397 int main(){
398 $func();
399 }
400 EOF
401 err=$?
402 test "$err" = 0 && enable $func || disable $func
403 return $err
404 }
405
406 check_lib(){
407 log check_lib "$@"
408 header="$1"
409 func="$2"
410 shift 2
411 temp_extralibs "$@"
412 check_header $header && check_func $func && add_extralibs "$@"
413 err=$?
414 restore_flags
415 return $err
416 }
417
418 check_exec(){
419 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
420 }
421
422 require(){
423 name="$1"
424 header="$2"
425 func="$3"
426 shift 3
427 check_lib $header $func "$@" || die "ERROR: $name not found"
428 }
429
430 apply(){
431 file=$1
432 shift
433 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
434 }
435
436 CONFIG_LIST='
437 encoders
438 decoders
439 parsers
440 muxers
441 demuxers
442 amr
443 amr_nb
444 amr_nb_fixed
445 amr_wb
446 audio_beos
447 audio_oss
448 avisynth
449 beos_netserver
450 bktr
451 dc1394
452 dv1394
453 ffmpeg
454 ffplay
455 ffserver
456 gpl
457 ipv6
458 liba52
459 liba52bin
460 libdts
461 libfaac
462 libfaad
463 libfaadbin
464 libgsm
465 libmp3lame
466 libnut
467 libogg
468 libtheora
469 libvorbis
470 memalign_hack
471 mpegaudio_hp
472 network
473 pp
474 protocols
475 swscaler
476 vhook
477 video4linux
478 video4linux2
479 wince
480 x11grab
481 x264
482 xvid
483 zlib
484 '
485
486 HAVE_LIST='
487 altivec
488 altivec_h
489 armv5te
490 armv6
491 beosthreads
492 byteswap_h
493 cmov
494 dcbzl
495 dev_bktr_ioctl_bt848_h
496 dev_bktr_ioctl_meteor_h
497 dev_ic_bt8xx_h
498 dev_video_meteor_ioctl_meteor_h
499 dev_video_bktr_ioctl_bt848_h
500 dlfcn_h
501 dlopen
502 fast_cmov
503 freetype2
504 gprof
505 imlib2
506 inet_aton
507 iwmmxt
508 localtime_r
509 lrintf
510 machine_ioctl_bt848_h
511 machine_ioctl_meteor_h
512 malloc_h
513 memalign
514 mlib
515 mmi
516 mmx
517 os2
518 os2threads
519 pthreads
520 sdl
521 sdl_video_size
522 soundcard_h
523 sys_soundcard_h
524 threads
525 w32threads
526 '
527
528 TARGET_LIST='
529 altivec
530 armv5te
531 iwmmxt
532 mmi
533 mmx
534 '
535
536 flashsv_decoder_deps="zlib"
537 flashsv_encoder_deps="zlib"
538 mpeg_xvmc_decoder_deps="xvmc"
539 png_decoder_deps="zlib"
540 png_encoder_deps="zlib"
541 x264_encoder_deps="x264"
542 xvid_encoder_deps="xvid"
543 zmbv_decoder_deps="zlib"
544 zmbv_encoder_deps="zlib"
545
546 aac_decoder_deps="libfaad"
547 mpeg4aac_decoder_deps="libfaad"
548 ac3_decoder_deps="liba52"
549 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
550 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
551 amr_wb_decoder_deps="amr_wb"
552 amr_wb_encoder_deps="amr_wb"
553 dts_decoder_deps="libdts"
554 faac_encoder_deps="libfaac"
555 libgsm_decoder_deps="libgsm"
556 libgsm_encoder_deps="libgsm"
557 libtheora_encoder_deps="libtheora"
558 mp3lame_encoder_deps="libmp3lame"
559 oggvorbis_decoder_deps="libvorbis"
560 oggvorbis_encoder_deps="libvorbis"
561
562 audio_demuxer_deps_any="audio_oss audio_beos"
563 audio_muxer_deps_any="audio_oss audio_beos"
564 dc1394_demuxer_deps="dc1394"
565 dv1394_demuxer_deps="dv1394"
566 gxf_muxer_deps="gpl"
567 libnut_demuxer_deps="libnut"
568 libnut_muxer_deps="libnut"
569 ogg_muxer_deps="libogg"
570 redir_demuxer_deps="network"
571 rtp_muxer_deps="network"
572 rtsp_demuxer_deps="network"
573 sdp_demuxer_deps="network"
574 v4l2_demuxer_deps="video4linux2"
575 video_grab_device_demuxer_deps_any="video4linux bktr"
576 x11_grab_device_demuxer_deps="x11grab"
577
578 # set temporary file name
579 if test ! -z "$TMPDIR" ; then
580 TMPDIR1="${TMPDIR}"
581 elif test ! -z "$TEMPDIR" ; then
582 TMPDIR1="${TEMPDIR}"
583 else
584 TMPDIR1="/tmp"
585 fi
586
587 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
588 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
589 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
590 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
591 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
592
593 # default parameters
594
595 logging="yes"
596 logfile="config.err"
597
598 # installation paths
599 PREFIX="/usr/local"
600 libdir='${PREFIX}/lib'
601 shlibdir="$libdir"
602 incdir='${PREFIX}/include/ffmpeg'
603 mandir='${PREFIX}/man'
604 bindir='${PREFIX}/bin'
605
606 # toolchain
607 cross_prefix=""
608 cross_compile="no"
609 cc="gcc"
610 ar="ar"
611 ranlib="ranlib"
612 make="make"
613 strip="strip"
614 asmalign_pot="unknown"
615
616 # machine
617 arch=`uname -m`
618 cpu="generic"
619 powerpc_perf="no"
620 mmx="default"
621 cmov="no"
622 fast_cmov="no"
623 armv5te="default"
624 armv6="default"
625 iwmmxt="default"
626 altivec="default"
627 dcbzl="no"
628 mmi="default"
629 bigendian="no"
630
631 case "$arch" in
632 i386|i486|i586|i686|i86pc|BePC)
633 arch="x86_32"
634 ;;
635 x86_64|amd64)
636 arch="x86_32"
637 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
638 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
639 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
640 arch="x86_64"
641 fi
642 fi
643 ;;
644 # armv4l is a subset of armv[567]*l
645 arm|armv[4567]*l)
646 arch="armv4l"
647 ;;
648 alpha)
649 arch="alpha"
650 ;;
651 "Power Macintosh"|ppc|ppc64|powerpc)
652 arch="powerpc"
653 ;;
654 mips|mipsel|IP*)
655 arch="mips"
656 ;;
657 sun4u|sparc64)
658 arch="sparc64"
659 ;;
660 sparc)
661 arch="sparc"
662 ;;
663 sh4)
664 arch="sh4"
665 ;;
666 parisc|parisc64)
667 arch="parisc"
668 ;;
669 s390|s390x)
670 arch="s390"
671 ;;
672 m68k)
673 arch="m68k"
674 ;;
675 ia64)
676 arch="ia64"
677 ;;
678 bfin)
679 arch="bfin"
680 ;;
681 *)
682 arch="unknown"
683 ;;
684 esac
685
686 # OS
687 beos_netserver="no"
688 mingw32="no"
689 os2="no"
690 wince="no"
691
692 # non-library system interfaces
693 audio_beos="no"
694 audio_oss="yes"
695 bktr="yes"
696 dv1394="yes"
697 video4linux2="yes"
698 video4linux="yes"
699
700 # libraries
701 amr_if2="no"
702 amr_nb="no"
703 amr_nb_fixed="no"
704 amr_wb="no"
705 avisynth="no"
706 dc1394="no"
707 dlfcn_h="no"
708 dlopen="no"
709 liba52="no"
710 liba52bin="no"
711 libdts="no"
712 libfaac="no"
713 libfaad2="no"
714 libfaad="no"
715 libfaadbin="no"
716 libgsm="no"
717 libmp3lame="no"
718 libnut="no"
719 libogg="no"
720 libtheora="no"
721 libvorbis="no"
722 mlib="no"
723 x11grab="no"
724 x264="no"
725 xvid="no"
726 zlib="yes"
727
728 # configurable options
729 debug="yes"
730 dostrip="yes"
731 extrawarnings="no"
732 ffmpeg="yes"
733 ffplay="yes"
734 ffserver="yes"
735 gpl="no"
736 gprof="no"
737 ipv6="yes"
738 lshared="no"
739 lstatic="yes"
740 memalign_hack="no"
741 mpegaudio_hp="yes"
742 network="yes"
743 optimize="yes"
744 pp="no"
745 protocols="yes"
746 swscaler="no"
747 vhook="default"
748
749 # threading
750 beosthreads="no"
751 os2threads="no"
752 pthreads="no"
753 w32threads="no"
754 thread_type="no"
755
756 # build settings
757 extralibs="-lm"
758 SHFLAGS='-shared -Wl,-soname,$@'
759 VHOOKSHFLAGS='$(SHFLAGS)'
760 LIBOBJFLAGS=""
761 FFLDFLAGS=-Wl,--warn-common
762 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
763 FFSERVERLDFLAGS=-Wl,-E
764 LDCONFIG="ldconfig"
765 LIBPREF="lib"
766 LIBSUF=".a"
767 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
768 SLIBPREF="lib"
769 SLIBSUF=".so"
770 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
771 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
772 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
773 EXESUF=""
774 BUILDSUF=""
775 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
776
777 # OS specific
778 targetos=`uname -s`
779 case $targetos in
780 BeOS|Haiku|Zeta)
781 PREFIX="$HOME/config"
782 # helps building libavcodec
783 add_cflags "-DPIC -fomit-frame-pointer"
784 # 3 gcc releases known for BeOS, each with ugly bugs
785 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
786 case "$gcc_version" in
787 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
788 mmx="no"
789 ;;
790 *20010315*) echo "BeBits gcc"
791 add_cflags "-fno-expensive-optimizations"
792 ;;
793 esac
794 LDCONFIG="echo ignoring ldconfig"
795 SHFLAGS=-nostart
796 # disable Linux things
797 dv1394="no"
798 # enable BeOS things
799 audio_beos="yes"
800 # no need for libm, but the inet stuff
801 # Check for BONE
802 # XXX: actually should check for NOT net_server
803 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
804 extralibs="-lbind -lsocket"
805 else
806 beos_netserver="yes"
807 extralibs="-lnet"
808 fi ;;
809 SunOS)
810 dv1394="no"
811 FFLDFLAGS=""
812 FFSERVERLDFLAGS=""
813 SHFLAGS="-shared -Wl,-h,\$@"
814 add_extralibs "-lsocket -lnsl"
815 ;;
816 NetBSD)
817 dv1394="no"
818 add_extralibs "-lossaudio"
819 ;;
820 OpenBSD)
821 dv1394="no"
822 need_memalign="no"
823 LIBOBJFLAGS="\$(PIC)"
824 LDCONFIG="ldconfig -m \$(shlibdir)"
825 SHFLAGS='-shared'
826 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
827 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
828 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
829 add_extralibs "-lossaudio"
830 ;;
831 FreeBSD)
832 dv1394="no"
833 need_memalign="no"
834 add_cflags "-pthread"
835 ;;
836 GNU/kFreeBSD)
837 dv1394="no"
838 add_cflags "-pthread"
839 ;;
840 BSD/OS)
841 dv1394="no"
842 extralibs="-lpoll -lgnugetopt -lm"
843 strip="strip -d"
844 ;;
845 Darwin)
846 cc="cc"
847 dv1394="no"
848 need_memalign="no"
849 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
850 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
851 extralibs=""
852 strip="strip -x"
853 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
854 SLIBSUF=".dylib"
855 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
856 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
857 FFSERVERLDFLAGS=-Wl,-bind_at_load
858 ;;
859 MINGW32*)
860 # Note: the rest of the mingw32 config is done afterwards as mingw32
861 # can be forced on the command line for Linux cross compilation.
862 mingw32="yes"
863 ;;
864 CYGWIN*)
865 targetos=CYGWIN
866 shlibdir="$bindir"
867 dv1394="no"
868 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
869 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
870 extralibs=""
871 EXESUF=".exe"
872 SLIBPREF="cyg"
873 SLIBSUF=".dll"
874 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
875 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
876 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
877 ;;
878 Linux)
879 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
880 ;;
881 IRIX*)
882 targetos=IRIX
883 ranlib="echo ignoring ranlib"
884 ;;
885 OS/2)
886 TMPE=$TMPE".exe"
887 ar="emxomfar -p128"
888 ranlib="echo ignoring ranlib"
889 strip="echo ignoring strip"
890 add_cflags "-Zomf"
891 FFLDFLAGS="-Zomf -Zstack 16384 -s"
892 SHFLAGS="-Zdll -Zomf"
893 FFSERVERLDFLAGS=""
894 LIBPREF=""
895 LIBSUF=".lib"
896 SLIBPREF=""
897 SLIBSUF=".dll"
898 EXESUF=".exe"
899 extralibs=""
900 pkg_requires=""
901 dv1394="no"
902 ffserver="no"
903 vhook="no"
904 os2="yes"
905 ;;
906 *)
907 targetos="${targetos}-UNKNOWN"
908 ;;
909 esac
910
911 # find source path
912 source_path="`dirname \"$0\"`"
913 source_path_used="yes"
914 if test -z "$source_path" -o "$source_path" = "." ; then
915 source_path="`pwd`"
916 source_path_used="no"
917 else
918 source_path="`cd \"$source_path\"; pwd`"
919 echo "$source_path" | grep -q '[[:blank:]]' &&
920 die "Out of tree builds are impossible with whitespace in source path."
921 fi
922
923 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
924 show_help
925 fi
926
927 FFMPEG_CONFIGURATION="$@"
928
929 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
930 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
931 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
932 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
933 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
934
935 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
936
937 for opt do
938 optval="${opt#*=}"
939 case "$opt" in
940 --log)
941 ;;
942 --log=*) logging="$optval"
943 ;;
944 --prefix=*) PREFIX="$optval"
945 ;;
946 --libdir=*) libdir="$optval"
947 ;;
948 --shlibdir=*) shlibdir="$optval"
949 ;;
950 --incdir=*) incdir="$optval"
951 ;;
952 --mandir=*) mandir="$optval"
953 ;;
954 --source-path=*) source_path="$optval"
955 ;;
956 --cross-prefix=*) cross_prefix="$optval"
957 ;;
958 --cross-compile) cross_compile=yes
959 ;;
960 --cc=*) cc="$optval"
961 ;;
962 --make=*) make="$optval"
963 ;;
964 --extra-cflags=*) add_cflags "$optval"
965 ;;
966 --extra-ldflags=*) add_ldflags "$optval"
967 ;;
968 --extra-libs=*) add_extralibs "$optval"
969 ;;
970 --build-suffix=*) BUILDSUF="$optval"
971 ;;
972 --arch=*) arch="$optval"
973 ;;
974 --cpu=*) cpu="$optval"
975 ;;
976 --powerpc-perf-enable) powerpc_perf="yes"
977 ;;
978 --disable-mmx) mmx="no"
979 ;;
980 --disable-armv5te) armv5te="no"
981 ;;
982 --disable-armv6) armv6="no"
983 ;;
984 --disable-iwmmxt) iwmmxt="no"
985 ;;
986 --disable-altivec) altivec="no"
987 ;;
988 --enable-gprof) gprof="yes"
989 ;;
990 --disable-v4l) video4linux="no"
991 ;;
992 --disable-v4l2) video4linux2="no"
993 ;;
994 --disable-bktr) bktr="no"
995 ;;
996 --disable-audio-oss) audio_oss="no"
997 ;;
998 --disable-audio-beos) audio_beos="no"
999 ;;
1000 --disable-dv1394) dv1394="no"
1001 ;;
1002 --disable-network) network="no"; ffserver="no"
1003 ;;
1004 --disable-ipv6) ipv6="no";
1005 ;;
1006 --disable-zlib) zlib="no"
1007 ;;
1008 --enable-a52) liba52="yes"
1009 ;;
1010 --enable-a52bin) liba52bin="yes"
1011 ;;
1012 --enable-dts) libdts="yes"
1013 ;;
1014 --enable-pp) pp="yes"
1015 ;;
1016 --enable-libgsm) libgsm="yes"
1017 ;;
1018 --enable-mp3lame) libmp3lame="yes"
1019 ;;
1020 --enable-libnut) libnut="yes"
1021 ;;
1022 --enable-libogg) libogg="yes"
1023 pkg_requires="$pkg_requires ogg >= 1.1"
1024 ;;
1025 --enable-libtheora) libtheora="yes"
1026 pkg_requires="$pkg_requires theora"
1027 ;;
1028 --enable-vorbis) libvorbis="yes"
1029 pkg_requires="$pkg_requires vorbis vorbisenc"
1030 ;;
1031 --enable-faad) libfaad="yes"
1032 ;;
1033 --enable-faadbin) libfaadbin="yes"
1034 ;;
1035 --enable-faac) libfaac="yes"
1036 ;;
1037 --enable-xvid) xvid="yes"
1038 ;;
1039 --enable-x264) x264="yes"
1040 ;;
1041 --enable-avisynth) avisynth="yes";
1042 ;;
1043 --enable-x11grab) x11grab="yes";
1044 ;;
1045 --enable-dc1394) dc1394="yes"
1046 pkg_requires="$pkg_requires libraw1394"
1047 ;;
1048 --disable-vhook) vhook="no"
1049 ;;
1050 --enable-mingw32) mingw32="yes"
1051 ;;
1052 --enable-mingwce) wince="yes"
1053 ;;
1054 --enable-static) lstatic="yes"
1055 ;;
1056 --disable-static) lstatic="no"
1057 ;;
1058 --enable-shared) lshared="yes"
1059 ;;
1060 --disable-shared) lshared="no"
1061 ;;
1062 --disable-debug) debug="no"
1063 ;;
1064 --disable-opts) optimize="no"
1065 ;;
1066 --enable-extra-warnings) extrawarnings="yes"
1067 ;;
1068 --disable-mpegaudio-hp) mpegaudio_hp="no"
1069 ;;
1070 --disable-protocols) protocols="no"; network="no"; ffserver="no"
1071 ;;
1072 --disable-ffmpeg) ffmpeg="no"
1073 ;;
1074 --disable-ffserver) ffserver="no"
1075 ;;
1076 --disable-ffplay) ffplay="no"
1077 ;;
1078 --enable-small) optimize="small"
1079 ;;
1080 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1081 ;;
1082 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1083 ;;
1084 --enable-amr_wb) amr="yes"; amr_wb="yes"
1085 ;;
1086 --enable-amr_if2) amr="yes"; amr_if2="yes"
1087 ;;
1088 --enable-sunmlib) mlib="yes"
1089 ;;
1090 --enable-pthreads) pthreads="yes"
1091 ;;
1092 --enable-w32threads) w32threads="yes"
1093 ;;
1094 --enable-beosthreads) beosthreads="yes"
1095 ;;
1096 --enable-os2threads) os2threads="yes"
1097 ;;
1098 --enable-swscaler) swscaler="yes"
1099 ;;
1100 --enable-gpl) gpl="yes"
1101 ;;
1102 --enable-memalign-hack) memalign_hack="yes"
1103 ;;
1104 --disable-strip) dostrip="no"
1105 ;;
1106 --enable-encoder=*) enable ${optval}_encoder
1107 ;;
1108 --enable-decoder=*) enable ${optval}_decoder
1109 ;;
1110 --disable-encoder=*) disable ${optval}_encoder
1111 ;;
1112 --disable-decoder=*) disable ${optval}_decoder
1113 ;;
1114 --disable-encoders) disable $ENCODER_LIST
1115 ;;
1116 --disable-decoders) disable $DECODER_LIST
1117 ;;
1118 --enable-muxer=*) enable ${optval}_muxer
1119 ;;
1120 --disable-muxer=*) disable ${optval}_muxer
1121 ;;
1122 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1123 ;;
1124 --enable-demuxer=*) enable ${optval}_demuxer
1125 ;;
1126 --disable-demuxer=*) disable ${optval}_demuxer
1127 ;;
1128 --disable-demuxers) disable $DEMUXER_LIST
1129 ;;
1130 --enable-parser=*) enable ${optval}_parser
1131 ;;
1132 --disable-parser=*) disable ${optval}_parser
1133 ;;
1134 --disable-parsers) disable $PARSER_LIST
1135 ;;
1136 --help) show_help
1137 ;;
1138 *)
1139 echo "Unknown option \"$opt\"."
1140 echo "See $0 --help for available options."
1141 exit 1
1142 ;;
1143 esac
1144 done
1145
1146 if ! disabled logging ; then
1147 enabled logging || logfile="$logging"
1148 echo "# $0 $@" >$logfile
1149 set >>$logfile
1150 else
1151 logfile=/dev/null
1152 fi
1153
1154 if enabled_any mingw32 wince; then
1155 if enabled_all lshared lstatic; then
1156 cat <<EOF
1157 You can only build one library type at once on MinGW.
1158 Specify --disable-static --enable-shared to only build
1159 the shared libraries. To build only the static libraries
1160 you do not need to pass additional options.
1161 EOF
1162 exit 1
1163 fi
1164 dv1394="no"
1165 dc1394="no"
1166 ffserver="no"
1167 network="no"
1168 if enabled wince; then
1169 protocols="no"
1170 fi
1171 SLIBPREF=""
1172 SLIBSUF=".dll"
1173 EXESUF=".exe"
1174 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1175 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1176 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1177 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1178 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1179 fi
1180
1181 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1182 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1183
1184 test -n "$cross_prefix" && cross_compile=yes
1185 cc="${cross_prefix}${cc}"
1186 ar="${cross_prefix}${ar}"
1187 ranlib="${cross_prefix}${ranlib}"
1188 strip="${cross_prefix}${strip}"
1189
1190 # we need to build at least one lib type
1191 if disabled_all lstatic lshared; then
1192 cat <<EOF
1193 At least one library type must be built.
1194 Specify --enable-static to build the static libraries or --enable-shared to
1195 build the shared libraries as well. To only build the shared libraries specify
1196 --disable-static in addition to --enable-shared.
1197 EOF
1198 exit 1;
1199 fi
1200
1201 if disabled libogg; then
1202 enabled libtheora && die "libogg must be enabled to enable libtheora."
1203 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1204 fi
1205
1206 if enabled_any libfaad libfaadbin ; then
1207 if check_header faad.h; then
1208 check_cc << EOF
1209 #include <faad.h>
1210 #ifndef FAAD2_VERSION
1211 ok faad1
1212 #endif
1213 int main( void ) { return 0; }
1214 EOF
1215 test $? = 0 && enable libfaad2
1216 else
1217 die "FAAD test failed."
1218 fi
1219 fi
1220
1221
1222 if disabled gpl ; then
1223 die_gpl_disabled(){
1224 name=$1
1225 shift
1226 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1227 }
1228 die_gpl_disabled "The Postprocessing code" pp
1229 die_gpl_disabled "liba52" liba52 liba52bin
1230 die_gpl_disabled "libxvidcore" xvid
1231 die_gpl_disabled "x264" x264
1232 die_gpl_disabled "libdts" libdts
1233 die_gpl_disabled "FAAD2" libfaad2
1234 die_gpl_disabled "The X11 grabber" x11grab
1235 die_gpl_disabled "The software scaler" swscaler
1236 fi
1237
1238 # compute MMX state
1239 if test $mmx = "default"; then
1240 if test $arch = "x86_32" -o $arch = "x86_64"; then
1241 mmx="yes"
1242 else
1243 mmx="no"
1244 fi
1245 fi
1246
1247 test -z "$need_memalign" && need_memalign="$mmx"
1248
1249 #Darwin CC versions
1250 needmdynamicnopic="no"
1251 if test $targetos = Darwin; then
1252 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1253 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1254 else
1255 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1256 case "$gcc_version" in
1257 *2.95*)
1258 add_cflags "-no-cpp-precomp -pipe"
1259 ;;
1260 *[34].*)
1261 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1262 if disabled lshared; then
1263 needmdynamicnopic="yes"
1264 fi
1265 ;;
1266 *)
1267 add_cflags "-no-cpp-precomp -pipe"
1268 if disabled lshared; then
1269 needmdynamicnopic="yes"
1270 fi
1271 ;;
1272 esac
1273 fi
1274 fi
1275
1276 if ! disabled optimize ; then
1277 add_cflags "-fomit-frame-pointer"
1278 fi
1279
1280 # Can only do AltiVec on PowerPC
1281 if test $altivec = "default"; then
1282 if test $arch = "powerpc"; then
1283 altivec="yes"
1284 else
1285 altivec="no"
1286 fi
1287 fi
1288
1289 # Add processor-specific flags
1290 POWERPCMODE="32bits"
1291 if test $cpu != "generic"; then
1292 warn_altivec(){
1293 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1294 }
1295 case $cpu in
1296 601|ppc601|PowerPC601)
1297 add_cflags "-mcpu=601"
1298 warn_altivec enabled PPC601
1299 ;;
1300 603*|ppc603*|PowerPC603*)
1301 add_cflags "-mcpu=603"
1302 warn_altivec enabled PPC603
1303 ;;
1304 604*|ppc604*|PowerPC604*)
1305 add_cflags "-mcpu=604"
1306 warn_altivec enabled PPC604
1307 ;;
1308 G3|g3|75*|ppc75*|PowerPC75*)
1309 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1310 warn_altivec enabled PPC75x
1311 ;;
1312 G4|g4|745*|ppc745*|PowerPC745*)
1313 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1314 warn_altivec disabled PPC745x
1315 ;;
1316 74*|ppc74*|PowerPC74*)
1317 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1318 warn_altivec disabled PPC74xx
1319 ;;
1320 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1321 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1322 warn_altivec disabled PPC970
1323 POWERPCMODE="64bits"
1324 ;;
1325 # targets that do NOT support conditional mov (cmov)
1326 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1327 add_cflags "-march=$cpu"
1328 cmov="no"
1329 ;;
1330 # targets that do support conditional mov (cmov)
1331 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1332 add_cflags "-march=$cpu"
1333 cmov="yes"
1334 fast_cmov="yes"
1335 ;;
1336 # targets that do support conditional mov but on which it's slow
1337 pentium4|prescott|nocona)
1338 add_cflags "-march=$cpu"
1339 cmov="yes"
1340 fast_cmov="no"
1341 ;;
1342 sparc64)
1343 add_cflags "-mcpu=v9"
1344 ;;
1345 *)
1346 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1347 ;;
1348 esac
1349 fi
1350
1351 gnu_make(){
1352 $1 --version 2>&1 | grep -q GNU
1353 }
1354
1355 if ! gnu_make $make; then
1356 gnu_make gmake && make=gmake || die "GNU make not found."
1357 fi
1358
1359 # make sure we can execute files in $TMPDIR
1360 cat >$TMPE 2>>$logfile <<EOF
1361 #! /bin/sh
1362 EOF
1363 chmod +x $TMPE >>$logfile 2>&1
1364 if ! $TMPE >>$logfile 2>&1; then
1365 cat <<EOF
1366 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1367 variable to another directory and make sure that $TMPDIR1 is not mounted
1368 noexec.
1369 EOF
1370 die "Sanity test failed."
1371 fi
1372 rm $TMPE
1373
1374 # compiler sanity check
1375 check_exec <<EOF
1376 int main(){
1377 return 0;
1378 }
1379 EOF
1380 if test "$?" != 0; then
1381 echo "$cc is unable to create an executable file."
1382 if test -z "$cross_prefix" && disabled cross_compile ; then
1383 echo "If $cc is a cross-compiler, use the --cross-compile option."
1384 echo "Only do this if you know what cross compiling means."
1385 fi
1386 die "C compiler test failed."
1387 fi
1388
1389 # check for assembler specific support
1390
1391 if test $arch = "powerpc"; then
1392 check_cc <<EOF && dcbzl=yes
1393 int main(void) {
1394 register long zero = 0;
1395 char data[1024];
1396 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1397 return 0;
1398 }
1399 EOF
1400 fi
1401
1402 # check for SIMD availability
1403
1404 # AltiVec flags: The FSF version of GCC differs from the Apple version
1405 if test $arch = "powerpc"; then
1406 if enabled altivec; then
1407 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1408 add_cflags "-faltivec"
1409 else
1410 add_cflags "-maltivec -mabi=altivec"
1411 fi
1412 fi
1413 fi
1414
1415 check_header altivec.h
1416
1417 # check if our compiler supports Motorola AltiVec C API
1418 if enabled altivec; then
1419 if enabled altivec_h; then
1420 inc_altivec_h="#include <altivec.h>"
1421 else
1422 inc_altivec_h=
1423 fi
1424 check_cc <<EOF || altivec=no
1425 $inc_altivec_h
1426 int main(void) {
1427 vector signed int v1, v2, v3;
1428 v1 = vec_add(v2,v3);
1429 return 0;
1430 }
1431 EOF
1432 fi
1433
1434 # check armv5te instructions support
1435 if test $armv5te = "default" -a $arch = "armv4l"; then
1436 armv5te=no
1437 check_cc <<EOF && armv5te=yes
1438 int main(void) {
1439 __asm__ __volatile__ ("qadd r0, r0, r0");
1440 }
1441 EOF
1442 fi
1443
1444 if test $armv6 = "default" -a $arch = "armv4l"; then
1445 check_cc <<EOF && armv6=yes || armv6=no
1446 int main(void) {
1447 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1448 }
1449 EOF
1450 fi
1451
1452 # check iwmmxt support
1453 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1454 iwmmxt=no
1455 check_cc <<EOF && iwmmxt=yes
1456 int main(void) {
1457 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1458 }
1459 EOF
1460 fi
1461
1462 # mmi only available on mips
1463 if test $mmi = "default"; then
1464 if test $arch = "mips"; then
1465 mmi="yes"
1466 else
1467 mmi="no"
1468 fi
1469 fi
1470
1471 # check if our compiler supports mmi
1472 enabled mmi && check_cc <<EOF || mmi="no"
1473 int main(void) {
1474 __asm__ ("lq \$2, 0(\$2)");
1475 return 0;
1476 }
1477 EOF
1478
1479 # ---
1480 # big/little-endian test
1481 if disabled cross_compile; then
1482 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1483 #include <inttypes.h>
1484 int main(int argc, char ** argv){
1485 volatile uint32_t i=0x01234567;
1486 return (*((uint8_t*)(&i))) == 0x67;
1487 }
1488 EOF
1489 else
1490 # programs cannot be launched if cross compiling, so make a static guess
1491 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1492 bigendian="yes"
1493 fi
1494 fi
1495
1496 # ---
1497 # check availability of some header files
1498
1499 check_header malloc.h
1500 check_func memalign
1501
1502 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1503 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1504 fi
1505
1506 check_header byteswap.h
1507
1508 check_func inet_aton
1509 check_func localtime_r
1510 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1511
1512 # check for some common methods of building with pthread support
1513 # do this before the optional library checks as some of them require pthreads
1514 if enabled pthreads; then
1515 if check_func pthread_create; then
1516 :
1517 elif check_func pthread_create -pthread; then
1518 add_cflags -pthread
1519 add_ldflags -pthread
1520 elif check_func pthread_create -pthreads; then
1521 add_cflags -pthreads
1522 add_ldflags -pthreads
1523 elif ! check_lib pthread.h pthread_create -lpthread; then
1524 die "ERROR: can't find pthreads library"
1525 fi
1526 fi
1527
1528 for thread in pthreads beosthreads os2threads w32threads; do
1529 if enabled $thread; then
1530 if ! disabled thread_type ; then
1531 die "ERROR: Only one thread type must be selected."
1532 else
1533 thread_type="$thread"
1534 fi
1535 fi
1536 done
1537
1538 # these are off by default, so fail if requested and not available
1539 enabled libdts && require libdts dts.h dts_init -ldts -lm
1540 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1541 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1542 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1543 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1544 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1545 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1546 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1547 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1548 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1549 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1550
1551 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1552 # the generic test functions
1553 if enabled libfaac; then
1554 save_flags
1555 temp_extralibs -lfaac
1556 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1557 #include <stdint.h>
1558 #include <faac.h>
1559 int main(){
1560 char *id, *cpr;
1561 faacEncGetVersion(&id, &cpr);
1562 return 0;
1563 }
1564 EOF
1565 restore_flags
1566 fi
1567
1568 # Ugh, recent faad2 versions have renamed all functions and #define the
1569 # old names in faad.h. Generic tests won't work.
1570 if enabled libfaad; then
1571 save_flags
1572 temp_extralibs -lfaad
1573 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1574 #include <faad.h>
1575 int main(){
1576 faacDecOpen();
1577 return 0;
1578 }
1579 EOF
1580 restore_flags
1581 fi
1582
1583 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1584 if enabled avisynth; then
1585 save_flags
1586 temp_extralibs -lvfw32
1587 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1588 #include <windows.h>
1589 #include <vfw.h>
1590 int main(){
1591 AVIFileInit();
1592 return 0;
1593 }
1594 EOF
1595 restore_flags
1596 fi
1597
1598
1599 # test for lrintf in math.h
1600 check_exec <<EOF && lrintf=yes || lrintf=no
1601 #define _ISOC9X_SOURCE 1
1602 #include <math.h>
1603 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1604 EOF
1605
1606 _restrict=
1607 for restrict_keyword in restrict __restrict__ __restrict; do
1608 check_cc <<EOF && _restrict=$restrict_keyword && break
1609 void foo(char * $restrict_keyword p);
1610 EOF
1611 done
1612
1613 # dlopen/dlfcn.h probing
1614
1615 check_header dlfcn.h
1616
1617 if check_func dlopen; then
1618 ldl=
1619 elif check_func dlopen -ldl; then
1620 ldl=-ldl
1621 fi
1622
1623 if test "$vhook" = "default"; then
1624 vhook="$dlopen"
1625 fi
1626
1627 if enabled_any vhook liba52bin libfaadbin; then
1628 add_extralibs $ldl
1629 fi
1630
1631 if test "$targetos" = "CYGWIN" && enabled lstatic ; then
1632 vhook="no"
1633 echo
1634 echo "At the moment vhooks don't work on Cygwin static builds."
1635 echo "Patches welcome."
1636 echo
1637 fi
1638
1639 if enabled vhook; then
1640 check_ldflags -rdynamic
1641 check_ldflags -export-dynamic
1642 fi
1643
1644 if enabled audio_beos; then
1645 add_extralibs "-lmedia -lbe"
1646 fi
1647
1648 ##########################################
1649 # imlib check
1650
1651 imlib2=no
1652 if (imlib2-config --version) >/dev/null 2>&1 ; then
1653 temp_cflags `imlib2-config --cflags`
1654 temp_extralibs `imlib2-config --libs`
1655 check_ld <<EOF && imlib2=yes
1656 #include <Imlib2.h>
1657 int main( void ) { return (int) imlib_load_font("foo"); }
1658 EOF
1659 restore_flags
1660 fi
1661
1662 ##########################################
1663 # FreeType check
1664
1665 freetype2=no
1666 if test "x$targetos" != "xBeOS"; then
1667 if (freetype-config --version) >/dev/null 2>&1 ; then
1668 temp_cflags `freetype-config --cflags`
1669 temp_extralibs `freetype-config --libs`
1670 check_ld <<EOF && freetype2=yes
1671 #include <ft2build.h>
1672 int main( void ) { return (int) FT_Init_FreeType(0); }
1673 EOF
1674 restore_flags
1675 fi
1676 fi
1677
1678 ##########################################
1679 # SDL check
1680
1681 sdl_too_old=no
1682 sdl=no
1683 SDL_CONFIG="${cross_prefix}sdl-config"
1684 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1685 temp_cflags `"${SDL_CONFIG}" --cflags`
1686 temp_extralibs `"${SDL_CONFIG}" --libs`
1687 check_ld <<EOF
1688 #include <SDL.h>
1689 #undef main /* We don't want SDL to override our main() */
1690 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1691 EOF
1692 if test $? = 0; then
1693 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1694 if test "$_sdlversion" -lt 121 ; then
1695 sdl_too_old=yes
1696 else
1697 sdl=yes
1698 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1699 #include <SDL.h>
1700 int main(void){
1701 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1702 int w = vi->current_w;
1703 return 0;
1704 }
1705 EOF
1706 fi
1707 fi
1708 restore_flags
1709 fi
1710
1711 enabled sdl || ffplay=no
1712
1713 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1714
1715 ##########################################
1716 # IPv6 check
1717
1718 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1719 #include <sys/types.h>
1720 #include <sys/socket.h>
1721 #include <netinet/in.h>
1722 #include <netdb.h>
1723 int main( void ) {
1724 struct sockaddr_storage saddr;
1725 struct ipv6_mreq mreq6;
1726 getaddrinfo(0,0,0,0);
1727 getnameinfo(0,0,0,0,0,0,0);
1728 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1729 }
1730 EOF
1731
1732 enabled video4linux && check_header linux/videodev.h || disable video4linux
1733 enabled video4linux2 && check_header linux/videodev2.h || disable video4linux2
1734
1735 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1736 if enabled bktr; then
1737 { check_header dev/bktr/ioctl_meteor.h &&
1738 check_header dev/bktr/ioctl_bt848.h; } ||
1739 { check_header machine/ioctl_meteor.h &&
1740 check_header machine/ioctl_bt848.h; } ||
1741 { check_header dev/video/meteor/ioctl_meteor.h &&
1742 check_header dev/video/bktr/ioctl_bt848.h; } ||
1743 check_header dev/ic/bt8xx.h ||
1744 disable bktr
1745 fi
1746
1747 enabled audio_oss &&
1748 check_header sys/soundcard.h ||
1749 check_header soundcard.h ||
1750 disable audio_oss
1751
1752 # Deal with the x11 frame grabber
1753 enabled x11grab &&
1754 enabled gpl &&
1755 enabled x11_grab_device_demuxer &&
1756 check_header X11/Xlib.h &&
1757 check_header X11/extensions/XShm.h &&
1758 check_func XOpenDisplay -lX11 &&
1759 check_func XShmCreateImage -lX11 -lXext &&
1760 add_extralibs -lX11 -lXext ||
1761 disable x11_grab_device_demuxer
1762
1763 enabled debug && add_cflags -g
1764
1765 # add some useful compiler flags if supported
1766 check_cflags -Wdeclaration-after-statement
1767 check_cflags -Wall
1768 check_cflags -Wno-switch
1769 check_cflags -Wdisabled-optimization
1770 check_cflags -Wpointer-arith
1771 check_cflags -Wredundant-decls
1772 check_cflags -Wno-pointer-sign
1773 enabled extrawarnings && check_cflags -Winline
1774
1775 # add some linker flags
1776 check_ldflags $LDLATEFLAGS
1777
1778 # not all compilers support -Os
1779 test "$optimize" = "small" && check_cflags -Os
1780
1781 if enabled optimize; then
1782 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1783 add_cflags "-O5"
1784 add_ldflags "-O5"
1785 else
1786 add_cflags "-O3"
1787 fi
1788 fi
1789
1790 # PIC flags for shared library objects where they are needed
1791 if enabled lshared; then
1792 # LIBOBJFLAGS may have already been set in the OS configuration
1793 if test -z "$LIBOBJFLAGS" ; then
1794 case "$arch" in
1795 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1796 esac
1797 fi
1798 fi
1799
1800 if enabled gprof; then
1801 add_cflags "-p"
1802 add_ldflags "-p"
1803 fi
1804
1805 VHOOKCFLAGS="-fPIC $CFLAGS"
1806 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1807
1808 # find if .align arg is power-of-two or not
1809 if test $asmalign_pot = "unknown"; then
1810 asmalign_pot="no"
1811 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1812 fi
1813
1814 echo "install prefix $PREFIX"
1815 echo "source path $source_path"
1816 echo "C compiler $cc"
1817 echo "make $make"
1818 echo ".align is power-of-two $asmalign_pot"
1819 echo "ARCH $arch ($cpu)"
1820 if test "$BUILDSUF" != ""; then
1821 echo "build suffix $BUILDSUF"
1822 fi
1823 echo "big-endian $bigendian"
1824 if test $arch = "x86_32" -o $arch = "x86_64"; then
1825 echo "MMX enabled $mmx"
1826 echo "CMOV enabled $cmov"
1827 echo "CMOV is fast $fast_cmov"
1828 fi
1829 if test $arch = "armv4l"; then
1830 echo "ARMv5TE enabled $armv5te"
1831 echo "ARMv6 enabled $armv6"
1832 echo "IWMMXT enabled $iwmmxt"
1833 fi
1834 if test $arch = "mips"; then
1835 echo "MMI enabled $mmi"
1836 fi
1837 if test $arch = "powerpc"; then
1838 echo "AltiVec enabled $altivec"
1839 echo "dcbzl available $dcbzl"
1840 fi
1841 echo "gprof enabled $gprof"
1842 echo "debug symbols $debug"
1843 echo "strip symbols $dostrip"
1844 echo "optimize $optimize"
1845 echo "static $lstatic"
1846 echo "shared $lshared"
1847 echo "postprocessing support $pp"
1848 echo "software scaler enabled $swscaler"
1849 echo "video hooking $vhook"
1850 if enabled vhook; then
1851 echo "Imlib2 support $imlib2"
1852 echo "FreeType support $freetype2"
1853 fi
1854 echo "network support $network"
1855 if enabled network; then
1856 echo "IPv6 support $ipv6"
1857 fi
1858 echo "threading support $thread_type"
1859 echo "SDL support $sdl"
1860 if enabled sdl_too_old; then
1861 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1862 fi
1863 echo "Sun medialib support $mlib"
1864 echo "AVISynth enabled $avisynth"
1865 echo "liba52 support $liba52"
1866 echo "liba52 dlopened $liba52bin"
1867 echo "libdts support $libdts"
1868 echo "libfaac enabled $libfaac"
1869 echo "libfaad enabled $libfaad"
1870 echo "faadbin enabled $libfaadbin"
1871 echo "libgsm enabled $libgsm"
1872 echo "libmp3lame enabled $libmp3lame"
1873 echo "libnut enabled $libnut"
1874 echo "libogg enabled $libogg"
1875 echo "libtheora enabled $libtheora"
1876 echo "libvorbis enabled $libvorbis"
1877 echo "x264 enabled $x264"
1878 echo "XviD enabled $xvid"
1879 echo "zlib enabled $zlib"
1880 echo "AMR-NB float support $amr_nb"
1881 echo "AMR-NB fixed support $amr_nb_fixed"
1882 echo "AMR-WB float support $amr_wb"
1883 echo "AMR-WB IF2 support $amr_if2"
1884 if disabled gpl; then
1885 echo "License: LGPL"
1886 else
1887 echo "License: GPL"
1888 fi
1889
1890 echo "Creating config.mak and config.h..."
1891
1892 echo "# Automatically generated by configure - do not modify!" > config.mak
1893 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1894 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1895
1896 echo "PREFIX=$PREFIX" >> config.mak
1897 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1898 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1899 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1900 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1901 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1902 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1903 echo "MAKE=$make" >> config.mak
1904 echo "CC=$cc" >> config.mak
1905 echo "AR=$ar" >> config.mak
1906 echo "RANLIB=$ranlib" >> config.mak
1907 if enabled dostrip; then
1908 echo "STRIP=$strip" >> config.mak
1909 else
1910 echo "STRIP=echo ignoring strip" >> config.mak
1911 fi
1912
1913 echo "OPTFLAGS=$CFLAGS" >> config.mak
1914 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1915 echo "LDFLAGS=$LDFLAGS" >> config.mak
1916 echo "LDCONFIG=$LDCONFIG" >> config.mak
1917 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1918 echo "SHFLAGS=$SHFLAGS" >> config.mak
1919 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1920 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1921 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1922 echo "BUILD_STATIC=$lstatic" >> config.mak
1923 echo "BUILDSUF=$BUILDSUF" >> config.mak
1924 echo "LIBPREF=$LIBPREF" >> config.mak
1925 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1926 if enabled lstatic; then
1927 echo "LIB=$LIB" >> config.mak
1928 else # Some Make complain if this variable does not exist.
1929 echo "LIB=" >> config.mak
1930 fi
1931 echo "SLIBPREF=$SLIBPREF" >> config.mak
1932 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1933 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1934 echo "TARGET_OS=$targetos" >> config.mak
1935
1936 ucarch=`toupper $arch`
1937 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1938 echo "#define ARCH_${ucarch} 1" >> $TMPH
1939
1940 # special cases
1941 case "$arch" in
1942 x86_32|x86_64)
1943 echo "TARGET_ARCH_X86=yes" >> config.mak
1944 echo "#define ARCH_X86 1" >> $TMPH
1945 ;;
1946 powerpc)
1947 if test "$POWERPCMODE" = "64bits"; then
1948 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1949 fi
1950 if enabled powerpc_perf; then
1951 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1952 fi
1953 ;;
1954 sparc64)
1955 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1956 echo "#define ARCH_SPARC 1" >> $TMPH
1957 ;;
1958 esac
1959
1960 if enabled bigendian; then
1961 echo "WORDS_BIGENDIAN=yes" >> config.mak
1962 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1963 fi
1964 if enabled mmx; then
1965 echo "#define __CPU__ 586" >> $TMPH
1966 fi
1967
1968 if enabled sdl; then
1969 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1970 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1971 fi
1972 if enabled texi2html; then
1973 echo "BUILD_DOC=yes" >> config.mak
1974 fi
1975
1976 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1977 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1978 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1979 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1980 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1981
1982
1983
1984 if enabled lshared; then
1985 echo "BUILD_SHARED=yes" >> config.mak
1986 echo "PIC=-fPIC -DPIC" >> config.mak
1987 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1988 echo "SPPVERSION=$pp_version" >> config.mak
1989 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1990 echo "LAVCVERSION=$lavc_version" >> config.mak
1991 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1992 echo "LAVFVERSION=$lavf_version" >> config.mak
1993 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1994 echo "LAVUVERSION=$lavu_version" >> config.mak
1995 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1996 echo "SWSVERSION=$sws_version" >> config.mak
1997 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1998 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1999 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2000 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2001 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2002 fi
2003 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2004 echo "EXTRALIBS=$extralibs" >> config.mak
2005
2006 enabled_any $ENCODER_LIST && enable encoders
2007 enabled_any $DECODER_LIST && enable decoders
2008 enabled_any $MUXER_LIST && enable muxers
2009 enabled_any $DEMUXER_LIST && enable demuxers
2010
2011 enabled_any pthreads beosthreads os2threads w32threads && enable threads
2012
2013 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
2014 $DEMUXER_LIST $MUXER_LIST
2015
2016 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2017 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2018 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2019
2020 if test "$targetos" = "Darwin"; then
2021 echo "#define CONFIG_DARWIN 1" >> $TMPH
2022 fi
2023
2024 echo "#define restrict $_restrict" >> $TMPH
2025
2026 if test "$optimize" = "small"; then
2027 echo "#define always_inline" >> $TMPH
2028 echo "#define CONFIG_SMALL 1" >> $TMPH
2029 fi
2030
2031 echo "SRC_PATH=\"$source_path\"" >> config.mak
2032 echo "SRC_PATH_BARE=$source_path" >> config.mak
2033 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2034
2035 if enabled amr_if2; then
2036 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2037 fi
2038
2039 # Apparently it's not possible to portably echo a backslash.
2040 if enabled asmalign_pot; then
2041 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2042 else
2043 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2044 fi
2045
2046
2047 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2048 ucname="`toupper $codec`"
2049 config_name="CONFIG_$ucname"
2050 enabled_name="ENABLE_$ucname"
2051 if enabled $codec; then
2052 echo "#define $config_name 1" >> $TMPH
2053 echo "#define $enabled_name 1" >> $TMPH
2054 echo "$config_name=yes" >> config.mak
2055 else
2056 echo "#define $enabled_name 0" >> $TMPH
2057 fi
2058 done
2059
2060 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2061 if ! cmp -s $TMPH config.h; then
2062 mv -f $TMPH config.h
2063 else
2064 echo "config.h is unchanged"
2065 fi
2066
2067 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2068
2069 # build tree in object directory if source path is different from current one
2070 if enabled source_path_used; then
2071 DIRS="\
2072 doc \
2073 libavformat \
2074 libavcodec \
2075 libavcodec/alpha \
2076 libavcodec/armv4l \
2077 libavcodec/bfin \
2078 libavcodec/i386 \
2079 libavcodec/sparc \
2080 libavcodec/mlib \
2081 libavcodec/ppc \
2082 libavcodec/liba52 \
2083 libavcodec/amr \
2084 libavcodec/amr_float \
2085 libavcodec/amrwb_float \
2086 libpostproc \
2087 libavutil \
2088 libswscale \
2089 tests \
2090 vhook \
2091 "
2092 FILES="\
2093 Makefile \
2094 common.mak \
2095 libavformat/Makefile \
2096 libavcodec/Makefile \
2097 libpostproc/Makefile \
2098 libavutil/Makefile \
2099 libswscale/Makefile \
2100 tests/Makefile \
2101 vhook/Makefile \
2102 doc/Makefile \
2103 doc/texi2pod.pl \
2104 "
2105 for dir in $DIRS ; do
2106 mkdir -p $dir
2107 done
2108 for f in $FILES ; do
2109 ln -sf "$source_path/$f" $f
2110 done
2111 fi
2112
2113
2114 # build pkg-config files
2115 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2116
2117 pkgconfig_generate(){
2118 name=$1
2119 comment=$2
2120 version=$3
2121 libs=$4
2122 requires=$5
2123 include=$6
2124 cat <<EOF >$name.pc
2125 prefix=$PREFIX
2126 exec_prefix=\${prefix}
2127 libdir=\${exec_prefix}/lib
2128 includedir=\${prefix}/include
2129
2130 Name: $name
2131 Description: $comment
2132 Version: $version
2133 Requires: $requires
2134 Conflicts:
2135 Libs: -L\${libdir} $libs
2136 Cflags: -I\${includedir} -I\${includedir}/$include
2137 EOF
2138 }
2139
2140 pkgconfig_generate_uninstalled(){
2141 name=$1
2142 shortname=${name#lib}
2143 comment=$2
2144 version=$3
2145 libs=$4
2146 requires=$5
2147 cat <<EOF >$name-uninstalled.pc
2148 prefix=
2149 exec_prefix=
2150 libdir=\${pcfiledir}/$name
2151 includedir=\${pcfiledir}/$name
2152
2153 Name: $name
2154 Description: $comment
2155 Version: $version
2156 Requires: $requires
2157 Conflicts:
2158 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2159 Cflags: -I\${includedir}
2160 EOF
2161 }
2162
2163 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2164 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2165
2166 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2167 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2168
2169 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2170 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2171
2172 if enabled pp; then
2173 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2174 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2175 fi
2176
2177 if enabled swscaler; then
2178 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2179 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2180 else
2181 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2182 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2183 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2184 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2185 fi