Simplify GPl check.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
65 echo " --enable-mingw32 enable MinGW native/cross Windows compile"
66 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-sunmlib use Sun medialib [default=no]"
74 echo " --enable-beosthreads use BeOS threads [default=no]"
75 echo " --enable-os2threads use OS/2 threads [default=no]"
76 echo " --enable-pthreads use pthreads [default=no]"
77 echo " --enable-w32threads use Win32 threads [default=no]"
78 echo " --enable-x11grab enable X11 grabbing [default=no]"
79 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
80 echo " and libraw1394 [default=no]"
81 echo " --enable-a52 enable GPLed liba52 support [default=no]"
82 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-dts enable GPLed libdts support [default=no]"
85 echo " --enable-faac enable FAAC support via libfaac [default=no]"
86 echo " --enable-faad enable FAAD support via libfaad [default=no]"
87 echo " --enable-faadbin build FAAD support with runtime linking [default=no]"
88 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
89 echo " --enable-mp3lame enable MP3 encoding via libmp3lame [default=no]"
90 echo " --enable-libnut enable NUT (de)muxing via libnut,"
91 echo " native demuxer exists [default=no]"
92 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
93 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
94 echo " --enable-vorbis enable Vorbis en/decoding via libvorbis,"
95 echo " native implementations exist [default=no]"
96 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
97 echo " --enable-xvid enable Xvid encoding via xvidcore,"
98 echo " native MPEG-4/Xvid encoder exists [default=no]"
99 echo " --enable-amr_nb enable amr_nb float audio codec"
100 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
101 echo " --enable-amr_wb enable amr_wb float audio codec"
102 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
103 echo " --enable-gpl allow use of GPL code, the resulting libav*"
104 echo " and ffmpeg will be under GPL [default=no]"
105 echo ""
106 echo "Advanced options (experts only):"
107 echo " --source-path=PATH path to source code [$source_path]"
108 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --cc=CC use C compiler CC [$cc]"
111 echo " --make=MAKE use specified make [$make]"
112 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
113 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
114 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
115 echo " --build-suffix=SUFFIX suffix for application specific build []"
116 echo " --arch=ARCH select architecture [$arch]"
117 echo " --cpu=CPU selects the minimum cpu required (affects
118 instruction selection, may crash on older CPUs)"
119 echo " --powerpc-perf-enable enable performance report on PPC"
120 echo " (requires enabling PMC)"
121 echo " --disable-mmx disable MMX usage"
122 echo " --disable-armv5te disable armv5te usage"
123 echo " --disable-armv6 disable armv6 usage"
124 echo " --disable-iwmmxt disable iwmmxt usage"
125 echo " --disable-altivec disable AltiVec usage"
126 echo " --disable-audio-oss disable OSS audio support [default=no]"
127 echo " --disable-audio-beos disable BeOS audio support [default=no]"
128 echo " --disable-v4l disable video4linux grabbing [default=no]"
129 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
130 echo " --disable-bktr disable bktr video grabbing [default=no]"
131 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
132 echo " --disable-network disable network support [default=no]"
133 echo " --disable-ipv6 disable ipv6 support [default=no]"
134 echo " --disable-zlib disable zlib [default=no]"
135 echo " --disable-vhook disable video hooking support"
136 echo " --enable-gprof enable profiling with gprof [$gprof]"
137 echo " --disable-debug disable debugging symbols"
138 echo " --disable-opts disable compiler optimizations"
139 echo " --enable-extra-warnings enable more compiler warnings"
140 echo " --disable-mpegaudio-hp faster (but less accurate)"
141 echo " MPEG audio decoding [default=no]"
142 echo " --disable-protocols disable I/O protocols support [default=no]"
143 echo " --disable-ffmpeg disable ffmpeg build"
144 echo " --disable-ffserver disable ffserver build"
145 echo " --disable-ffplay disable ffplay build"
146 echo " --enable-small optimize for size instead of speed"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-strip disable stripping of executables and shared libraries"
149 echo " --disable-encoder=NAME disables encoder NAME"
150 echo " --enable-encoder=NAME enables encoder NAME"
151 echo " --disable-decoder=NAME disables decoder NAME"
152 echo " --enable-decoder=NAME enables decoder NAME"
153 echo " --disable-encoders disables all encoders"
154 echo " --disable-decoders disables all decoders"
155 echo " --disable-muxer=NAME disables muxer NAME"
156 echo " --enable-muxer=NAME enables muxer NAME"
157 echo " --disable-muxers disables all muxers"
158 echo " --disable-demuxer=NAME disables demuxer NAME"
159 echo " --enable-demuxer=NAME enables demuxer NAME"
160 echo " --disable-demuxers disables all demuxers"
161 echo " --enable-parser=NAME enables parser NAME"
162 echo " --disable-parser=NAME disables parser NAME"
163 echo " --disable-parsers disables all parsers"
164 echo ""
165 echo "NOTE: Object files are built at the place where configure is launched."
166 exit 1
167 }
168
169 log(){
170 echo "$@" >>$logfile
171 }
172
173 log_file(){
174 log BEGIN $1
175 cat -n $1 >>$logfile
176 log END $1
177 }
178
179 echolog(){
180 log "$@"
181 echo "$@"
182 }
183
184 die(){
185 echolog "$@"
186 cat <<EOF
187 If you think configure made a mistake, make sure you are using the latest
188 version from SVN. If the latest version fails, report the problem to the
189 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
190 EOF
191 if enabled logging; then
192 cat <<EOF
193 Include the log file "$logfile" produced by configure as this will help
194 solving the problem.
195 EOF
196 else
197 cat <<EOF
198 Rerun configure with logging enabled (do not use --log=no), and include the
199 log this produces with your report.
200 EOF
201 fi
202 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
203 exit 1
204 }
205
206 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
207 toupper(){
208 echo "$@" | tr '[a-z]' '[A-Z]'
209 }
210
211 set_all(){
212 value=$1
213 shift
214 for var in $*; do
215 eval $var=$value
216 done
217 }
218
219 enable(){
220 set_all yes $*
221 }
222
223 disable(){
224 set_all no $*
225 }
226
227 enabled(){
228 eval test "x\$$1" = "xyes"
229 }
230
231 disabled(){
232 eval test "x\$$1" = "xno"
233 }
234
235 enabled_all(){
236 for opt; do
237 enabled $opt || return 1
238 done
239 }
240
241 disabled_all(){
242 for opt; do
243 disabled $opt || return 1
244 done
245 }
246
247 enabled_any(){
248 for opt; do
249 enabled $opt && return 0
250 done
251 }
252
253 disabled_any(){
254 for opt; do
255 disabled $opt && return 0
256 done
257 }
258
259 check_deps(){
260 for cfg; do
261 eval dep_all="\$${cfg}_deps"
262 eval dep_any="\$${cfg}_deps_any"
263 enabled_all $dep_all || disable $cfg
264 enabled_any $dep_any || disable $cfg
265 done
266 }
267
268 print_config(){
269 pfx=$1
270 header=$2
271 makefile=$3
272 shift 3
273 for cfg; do
274 if enabled $cfg; then
275 ucname="${pfx}`toupper $cfg`"
276 echo "#define ${ucname} 1" >> $header
277 echo "${ucname}=yes" >> $makefile
278 fi
279 done
280 }
281
282 flags_saved(){
283 (: ${SAVE_CFLAGS?}) 2>/dev/null
284 }
285
286 save_flags(){
287 flags_saved && return
288 SAVE_CFLAGS="$CFLAGS"
289 SAVE_LDFLAGS="$LDFLAGS"
290 SAVE_extralibs="$extralibs"
291 }
292
293 restore_flags(){
294 CFLAGS="$SAVE_CFLAGS"
295 LDFLAGS="$SAVE_LDFLAGS"
296 extralibs="$SAVE_extralibs"
297 unset SAVE_CFLAGS
298 unset SAVE_LDFLAGS
299 unset SAVE_extralibs
300 }
301
302 temp_cflags(){
303 save_flags
304 CFLAGS="$CFLAGS $*"
305 }
306
307 temp_ldflags(){
308 save_flags
309 LDFLAGS="$LDFLAGS $*"
310 }
311
312 temp_extralibs(){
313 save_flags
314 extralibs="$extralibs $*"
315 }
316
317 append(){
318 var=$1
319 shift
320 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
321 eval "$var=\"\$$var $*\""
322 }
323
324 add_cflags(){
325 append CFLAGS "$@"
326 }
327
328 add_ldflags(){
329 append LDFLAGS "$@"
330 }
331
332 add_extralibs(){
333 append extralibs "$@"
334 }
335
336 check_cmd(){
337 log "$@"
338 "$@" >>$logfile 2>&1
339 }
340
341 check_cc(){
342 log check_cc "$@"
343 cat >$TMPC
344 log_file $TMPC
345 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
346 }
347
348 check_cpp(){
349 log check_cpp "$@"
350 cat >$TMPC
351 log_file $TMPC
352 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
353 }
354
355 check_ld(){
356 log check_ld "$@"
357 check_cc || return
358 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
359 }
360
361 check_cflags(){
362 log check_cflags "$@"
363 check_cc "$@" <<EOF && add_cflags "$@"
364 int x;
365 EOF
366 }
367
368 check_ldflags(){
369 log check_ldflags "$@"
370 check_ld "$@" <<EOF && add_ldflags "$@"
371 int main(){
372 return 0;
373 }
374 EOF
375 }
376
377 check_header(){
378 log check_header "$@"
379 header=$1
380 shift
381 check_cpp "$@" <<EOF
382 #include <$header>
383 int x;
384 EOF
385 err=$?
386 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
387 test "$err" = 0 && enable $var || disable $var
388 return $err
389 }
390
391 check_func(){
392 log check_func "$@"
393 func=$1
394 shift
395 check_ld "$@" <<EOF
396 extern int $func();
397 int main(){
398 $func();
399 }
400 EOF
401 err=$?
402 test "$err" = 0 && enable $func || disable $func
403 return $err
404 }
405
406 check_lib(){
407 log check_lib "$@"
408 header="$1"
409 func="$2"
410 shift 2
411 temp_extralibs "$@"
412 check_header $header && check_func $func && add_extralibs "$@"
413 err=$?
414 restore_flags
415 return $err
416 }
417
418 check_exec(){
419 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
420 }
421
422 require(){
423 name="$1"
424 header="$2"
425 func="$3"
426 shift 3
427 check_lib $header $func "$@" || die "ERROR: $name not found"
428 }
429
430 apply(){
431 file=$1
432 shift
433 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
434 }
435
436 CONFIG_LIST='
437 encoders
438 decoders
439 parsers
440 muxers
441 demuxers
442 amr
443 amr_nb
444 amr_nb_fixed
445 amr_wb
446 audio_beos
447 audio_oss
448 avisynth
449 beos_netserver
450 bktr
451 dc1394
452 dv1394
453 ffmpeg
454 ffplay
455 ffserver
456 gpl
457 ipv6
458 liba52
459 liba52bin
460 libdts
461 libfaac
462 libfaad
463 libfaadbin
464 libgsm
465 libmp3lame
466 libnut
467 libogg
468 libtheora
469 libvorbis
470 memalign_hack
471 mpegaudio_hp
472 network
473 pp
474 protocols
475 swscaler
476 vhook
477 video4linux
478 video4linux2
479 wince
480 x11grab
481 x264
482 xvid
483 zlib
484 '
485
486 HAVE_LIST='
487 altivec
488 altivec_h
489 armv5te
490 armv6
491 beosthreads
492 byteswap_h
493 cmov
494 dcbzl
495 dev_bktr_ioctl_bt848_h
496 dev_bktr_ioctl_meteor_h
497 dev_ic_bt8xx_h
498 dev_video_meteor_ioctl_meteor_h
499 dev_video_bktr_ioctl_bt848_h
500 dlfcn_h
501 dlopen
502 fast_cmov
503 freetype2
504 gprof
505 imlib2
506 inet_aton
507 iwmmxt
508 localtime_r
509 lrintf
510 machine_ioctl_bt848_h
511 machine_ioctl_meteor_h
512 malloc_h
513 memalign
514 mlib
515 mmi
516 mmx
517 os2
518 os2threads
519 pthreads
520 sdl
521 sdl_video_size
522 threads
523 w32threads
524 '
525
526 TARGET_LIST='
527 altivec
528 armv5te
529 iwmmxt
530 mmi
531 mmx
532 '
533
534 flashsv_decoder_deps="zlib"
535 flashsv_encoder_deps="zlib"
536 mpeg_xvmc_decoder_deps="xvmc"
537 png_decoder_deps="zlib"
538 png_encoder_deps="zlib"
539 x264_encoder_deps="x264"
540 xvid_encoder_deps="xvid"
541 zmbv_decoder_deps="zlib"
542 zmbv_encoder_deps="zlib"
543
544 aac_decoder_deps="libfaad"
545 mpeg4aac_decoder_deps="libfaad"
546 ac3_decoder_deps="liba52"
547 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
548 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
549 amr_wb_decoder_deps="amr_wb"
550 amr_wb_encoder_deps="amr_wb"
551 dts_decoder_deps="libdts"
552 faac_encoder_deps="libfaac"
553 libgsm_decoder_deps="libgsm"
554 libgsm_encoder_deps="libgsm"
555 libtheora_encoder_deps="libtheora"
556 mp3lame_encoder_deps="libmp3lame"
557 oggvorbis_decoder_deps="libvorbis"
558 oggvorbis_encoder_deps="libvorbis"
559
560 audio_demuxer_deps_any="audio_oss audio_beos"
561 audio_muxer_deps_any="audio_oss audio_beos"
562 dc1394_demuxer_deps="dc1394"
563 dv1394_demuxer_deps="dv1394"
564 gxf_muxer_deps="gpl"
565 nut_muxer_deps="libnut"
566 ogg_muxer_deps="libogg"
567 redir_demuxer_deps="network"
568 rtp_muxer_deps="network"
569 rtsp_demuxer_deps="network"
570 sdp_demuxer_deps="network"
571 v4l2_demuxer_deps="video4linux2"
572 video_grab_device_demuxer_deps_any="video4linux bktr"
573 x11_grab_device_demuxer_deps="x11grab"
574
575 # set temporary file name
576 if test ! -z "$TMPDIR" ; then
577 TMPDIR1="${TMPDIR}"
578 elif test ! -z "$TEMPDIR" ; then
579 TMPDIR1="${TEMPDIR}"
580 else
581 TMPDIR1="/tmp"
582 fi
583
584 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
585 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
586 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
587 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
588 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
589
590 # default parameters
591 logging="yes"
592 logfile="config.err"
593 PREFIX="/usr/local"
594 libdir='${PREFIX}/lib'
595 shlibdir="$libdir"
596 incdir='${PREFIX}/include/ffmpeg'
597 mandir='${PREFIX}/man'
598 bindir='${PREFIX}/bin'
599 cross_prefix=""
600 cross_compile="no"
601 cc="gcc"
602 ar="ar"
603 ranlib="ranlib"
604 make="make"
605 strip="strip"
606 arch=`uname -m`
607 cpu="generic"
608 powerpc_perf="no"
609 mmx="default"
610 cmov="no"
611 fast_cmov="no"
612 armv5te="default"
613 armv6="default"
614 iwmmxt="default"
615 altivec="default"
616 dcbzl="no"
617 mmi="default"
618 case "$arch" in
619 i386|i486|i586|i686|i86pc|BePC)
620 arch="x86_32"
621 ;;
622 x86_64|amd64)
623 arch="x86_32"
624 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
625 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
626 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
627 arch="x86_64"
628 fi
629 fi
630 ;;
631 # armv4l is a subset of armv[567]*l
632 arm|armv[4567]*l)
633 arch="armv4l"
634 ;;
635 alpha)
636 arch="alpha"
637 ;;
638 "Power Macintosh"|ppc|ppc64|powerpc)
639 arch="powerpc"
640 ;;
641 mips|mipsel|IP*)
642 arch="mips"
643 ;;
644 sun4u|sparc64)
645 arch="sparc64"
646 ;;
647 sparc)
648 arch="sparc"
649 ;;
650 sh4)
651 arch="sh4"
652 ;;
653 parisc|parisc64)
654 arch="parisc"
655 ;;
656 s390|s390x)
657 arch="s390"
658 ;;
659 m68k)
660 arch="m68k"
661 ;;
662 ia64)
663 arch="ia64"
664 ;;
665 bfin)
666 arch="bfin"
667 ;;
668 *)
669 arch="unknown"
670 ;;
671 esac
672 gprof="no"
673 video4linux="yes"
674 video4linux2="yes"
675 bktr="no"
676 audio_oss="yes"
677 audio_beos="no"
678 x11grab="no"
679 dv1394="yes"
680 dc1394="no"
681 network="yes"
682 ipv6="yes"
683 zlib="yes"
684 liba52="no"
685 liba52bin="no"
686 libdts="no"
687 libfaac="no"
688 libfaad="no"
689 libfaad2="no"
690 libfaadbin="no"
691 libgsm="no"
692 libmp3lame="no"
693 libnut="no"
694 libogg="no"
695 libtheora="no"
696 libvorbis="no"
697 xvid="no"
698 x264="no"
699 pp="no"
700 mingw32="no"
701 wince="no"
702 os2="no"
703 lstatic="yes"
704 lshared="no"
705 optimize="yes"
706 debug="yes"
707 extrawarnings="no"
708 dostrip="yes"
709 extralibs="-lm"
710 bigendian="no"
711 vhook="default"
712 avisynth="no"
713 dlfcn_h="no"
714 dlopen="no"
715 mpegaudio_hp="yes"
716 SHFLAGS='-shared -Wl,-soname,$@'
717 VHOOKSHFLAGS='$(SHFLAGS)'
718 beos_netserver="no"
719 protocols="yes"
720 ffmpeg="yes"
721 ffserver="yes"
722 ffplay="yes"
723 LIBOBJFLAGS=""
724 FFLDFLAGS=-Wl,--warn-common
725 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
726 FFSERVERLDFLAGS=-Wl,-E
727 LDCONFIG="ldconfig"
728 LIBPREF="lib"
729 LIBSUF=".a"
730 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
731 SLIBPREF="lib"
732 SLIBSUF=".so"
733 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
734 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
735 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
736 EXESUF=""
737 BUILDSUF=""
738 amr_nb="no"
739 amr_wb="no"
740 amr_nb_fixed="no"
741 amr_if2="no"
742 mlib="no"
743 beosthreads="no"
744 os2threads="no"
745 pthreads="no"
746 w32threads="no"
747 thread_type="no"
748 swscaler="no"
749 gpl="no"
750 memalign_hack="no"
751 asmalign_pot="unknown"
752 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
753
754 # OS specific
755 targetos=`uname -s`
756 case $targetos in
757 BeOS)
758 PREFIX="/boot/home/config"
759 # helps building libavcodec
760 add_cflags "-DPIC -fomit-frame-pointer"
761 # 3 gcc releases known for BeOS, each with ugly bugs
762 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
763 case "$gcc_version" in
764 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
765 mmx="no"
766 ;;
767 *20010315*) echo "BeBits gcc"
768 add_cflags "-fno-expensive-optimizations"
769 ;;
770 esac
771 SHFLAGS=-nostart
772 # disable Linux things
773 audio_oss="no"
774 video4linux="no"
775 video4linux2="no"
776 dv1394="no"
777 # enable BeOS things
778 audio_beos="yes"
779 # no need for libm, but the inet stuff
780 # Check for BONE
781 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
782 extralibs="-lbind -lsocket"
783 else
784 beos_netserver="yes"
785 extralibs="-lnet"
786 fi ;;
787 SunOS)
788 video4linux="no"
789 video4linux2="no"
790 audio_oss="no"
791 dv1394="no"
792 make="gmake"
793 FFLDFLAGS=""
794 FFSERVERLDFLAGS=""
795 SHFLAGS="-shared -Wl,-h,\$@"
796 add_extralibs "-lsocket -lnsl"
797 ;;
798 NetBSD)
799 video4linux="no"
800 video4linux2="no"
801 bktr="yes"
802 audio_oss="yes"
803 dv1394="no"
804 make="gmake"
805 add_extralibs "-lossaudio"
806 ;;
807 OpenBSD)
808 video4linux="no"
809 video4linux2="no"
810 bktr="yes"
811 audio_oss="yes"
812 dv1394="no"
813 need_memalign="no"
814 make="gmake"
815 LIBOBJFLAGS="\$(PIC)"
816 LDCONFIG="ldconfig -m \$(shlibdir)"
817 SHFLAGS='-shared'
818 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
819 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
820 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
821 add_extralibs "-lossaudio"
822 ;;
823 FreeBSD)
824 video4linux="no"
825 video4linux2="no"
826 bktr="yes"
827 audio_oss="yes"
828 dv1394="no"
829 make="gmake"
830 need_memalign="no"
831 add_cflags "-pthread"
832 ;;
833 GNU/kFreeBSD)
834 video4linux="no"
835 video4linux2="no"
836 bktr="yes"
837 audio_oss="yes"
838 dv1394="no"
839 add_cflags "-pthread"
840 ;;
841 BSD/OS)
842 video4linux="no"
843 video4linux2="no"
844 bktr="yes"
845 audio_oss="yes"
846 dv1394="no"
847 extralibs="-lpoll -lgnugetopt -lm"
848 make="gmake"
849 strip="strip -d"
850 ;;
851 Darwin)
852 cc="cc"
853 video4linux="no"
854 video4linux2="no"
855 audio_oss="no"
856 dv1394="no"
857 need_memalign="no"
858 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
859 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
860 extralibs=""
861 strip="strip -x"
862 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
863 SLIBSUF=".dylib"
864 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
865 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
866 FFSERVERLDFLAGS=-Wl,-bind_at_load
867 ;;
868 MINGW32*)
869 # Note: the rest of the mingw32 config is done afterwards as mingw32
870 # can be forced on the command line for Linux cross compilation.
871 mingw32="yes"
872 ;;
873 CYGWIN*)
874 targetos=CYGWIN
875 shlibdir="$bindir"
876 video4linux="no"
877 video4linux2="no"
878 audio_oss="yes"
879 dv1394="no"
880 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
881 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
882 extralibs=""
883 EXESUF=".exe"
884 SLIBPREF="cyg"
885 SLIBSUF=".dll"
886 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
887 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
888 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
889 ;;
890 Linux)
891 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
892 ;;
893 IRIX*)
894 targetos=IRIX
895 ranlib="echo ignoring ranlib"
896 video4linux="no"
897 video4linux2="no"
898 audio_oss="no"
899 make="gmake"
900 ;;
901 OS/2)
902 TMPE=$TMPE".exe"
903 ar="emxomfar -p128"
904 ranlib="echo ignoring ranlib"
905 strip="echo ignoring strip"
906 add_cflags "-Zomf"
907 FFLDFLAGS="-Zomf -Zstack 16384 -s"
908 SHFLAGS="-Zdll -Zomf"
909 FFSERVERLDFLAGS=""
910 LIBPREF=""
911 LIBSUF=".lib"
912 SLIBPREF=""
913 SLIBSUF=".dll"
914 EXESUF=".exe"
915 extralibs=""
916 pkg_requires=""
917 video4linux="no"
918 video4linux2="no"
919 audio_oss="no"
920 dv1394="no"
921 ffserver="no"
922 vhook="no"
923 os2="yes"
924 ;;
925 *)
926 targetos="${targetos}-UNKNOWN"
927 ;;
928 esac
929
930 # find source path
931 source_path="`dirname \"$0\"`"
932 source_path_used="yes"
933 if test -z "$source_path" -o "$source_path" = "." ; then
934 source_path="`pwd`"
935 source_path_used="no"
936 else
937 source_path="`cd \"$source_path\"; pwd`"
938 echo "$source_path" | grep -q '[[:blank:]]' &&
939 die "Out of tree builds are impossible with whitespace in source path."
940 fi
941
942 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
943 show_help
944 fi
945
946 FFMPEG_CONFIGURATION=" "
947 for opt do
948 FFMPEG_CONFIGURATION="$FFMPEG_CONFIGURATION""$opt "
949 done
950
951 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
952 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
953 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
954 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
955 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
956
957 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
958
959 for opt do
960 optval="${opt#*=}"
961 case "$opt" in
962 --log)
963 ;;
964 --log=*) logging="$optval"
965 ;;
966 --prefix=*) PREFIX="$optval"
967 ;;
968 --libdir=*) libdir="$optval"
969 ;;
970 --shlibdir=*) shlibdir="$optval"
971 ;;
972 --incdir=*) incdir="$optval"
973 ;;
974 --mandir=*) mandir="$optval"
975 ;;
976 --source-path=*) source_path="$optval"
977 ;;
978 --cross-prefix=*) cross_prefix="$optval"
979 ;;
980 --cross-compile) cross_compile=yes
981 ;;
982 --cc=*) cc="$optval"
983 ;;
984 --make=*) make="$optval"
985 ;;
986 --extra-cflags=*) add_cflags "$optval"
987 ;;
988 --extra-ldflags=*) add_ldflags "$optval"
989 ;;
990 --extra-libs=*) add_extralibs "$optval"
991 ;;
992 --build-suffix=*) BUILDSUF="$optval"
993 ;;
994 --arch=*) arch="$optval"
995 ;;
996 --cpu=*) cpu="$optval"
997 ;;
998 --powerpc-perf-enable) powerpc_perf="yes"
999 ;;
1000 --disable-mmx) mmx="no"
1001 ;;
1002 --disable-armv5te) armv5te="no"
1003 ;;
1004 --disable-armv6) armv6="no"
1005 ;;
1006 --disable-iwmmxt) iwmmxt="no"
1007 ;;
1008 --disable-altivec) altivec="no"
1009 ;;
1010 --enable-gprof) gprof="yes"
1011 ;;
1012 --disable-v4l) video4linux="no"
1013 ;;
1014 --disable-v4l2) video4linux2="no"
1015 ;;
1016 --disable-bktr) bktr="no"
1017 ;;
1018 --disable-audio-oss) audio_oss="no"
1019 ;;
1020 --disable-audio-beos) audio_beos="no"
1021 ;;
1022 --disable-dv1394) dv1394="no"
1023 ;;
1024 --disable-network) network="no"; ffserver="no"
1025 ;;
1026 --disable-ipv6) ipv6="no";
1027 ;;
1028 --disable-zlib) zlib="no"
1029 ;;
1030 --enable-a52) liba52="yes"
1031 ;;
1032 --enable-a52bin) liba52bin="yes"
1033 ;;
1034 --enable-dts) libdts="yes"
1035 ;;
1036 --enable-pp) pp="yes"
1037 ;;
1038 --enable-libgsm) libgsm="yes"
1039 ;;
1040 --enable-mp3lame) libmp3lame="yes"
1041 ;;
1042 --enable-libnut) libnut="yes"
1043 ;;
1044 --enable-libogg) libogg="yes"
1045 pkg_requires="$pkg_requires ogg >= 1.1"
1046 ;;
1047 --enable-libtheora) libtheora="yes"
1048 pkg_requires="$pkg_requires theora"
1049 ;;
1050 --enable-vorbis) libvorbis="yes"
1051 pkg_requires="$pkg_requires vorbis vorbisenc"
1052 ;;
1053 --enable-faad) libfaad="yes"
1054 ;;
1055 --enable-faadbin) libfaadbin="yes"
1056 ;;
1057 --enable-faac) libfaac="yes"
1058 ;;
1059 --enable-xvid) xvid="yes"
1060 ;;
1061 --enable-x264) x264="yes"
1062 ;;
1063 --enable-avisynth) avisynth="yes";
1064 ;;
1065 --enable-x11grab) x11grab="yes";
1066 ;;
1067 --enable-dc1394) dc1394="yes"
1068 pkg_requires="$pkg_requires libraw1394"
1069 ;;
1070 --disable-vhook) vhook="no"
1071 ;;
1072 --enable-mingw32) mingw32="yes"
1073 ;;
1074 --enable-mingwce) wince="yes"
1075 ;;
1076 --enable-static) lstatic="yes"
1077 ;;
1078 --disable-static) lstatic="no"
1079 ;;
1080 --enable-shared) lshared="yes"
1081 ;;
1082 --disable-shared) lshared="no"
1083 ;;
1084 --disable-debug) debug="no"
1085 ;;
1086 --disable-opts) optimize="no"
1087 ;;
1088 --enable-extra-warnings) extrawarnings="yes"
1089 ;;
1090 --disable-mpegaudio-hp) mpegaudio_hp="no"
1091 ;;
1092 --disable-protocols) protocols="no"; network="no"; ffserver="no"
1093 ;;
1094 --disable-ffmpeg) ffmpeg="no"
1095 ;;
1096 --disable-ffserver) ffserver="no"
1097 ;;
1098 --disable-ffplay) ffplay="no"
1099 ;;
1100 --enable-small) optimize="small"
1101 ;;
1102 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1103 ;;
1104 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1105 ;;
1106 --enable-amr_wb) amr="yes"; amr_wb="yes"
1107 ;;
1108 --enable-amr_if2) amr="yes"; amr_if2="yes"
1109 ;;
1110 --enable-sunmlib) mlib="yes"
1111 ;;
1112 --enable-pthreads) pthreads="yes"
1113 ;;
1114 --enable-w32threads) w32threads="yes"
1115 ;;
1116 --enable-beosthreads) beosthreads="yes"
1117 ;;
1118 --enable-os2threads) os2threads="yes"
1119 ;;
1120 --enable-swscaler) swscaler="yes"
1121 ;;
1122 --enable-gpl) gpl="yes"
1123 ;;
1124 --enable-memalign-hack) memalign_hack="yes"
1125 ;;
1126 --disable-strip) dostrip="no"
1127 ;;
1128 --enable-encoder=*) enable ${optval}_encoder
1129 ;;
1130 --enable-decoder=*) enable ${optval}_decoder
1131 ;;
1132 --disable-encoder=*) disable ${optval}_encoder
1133 ;;
1134 --disable-decoder=*) disable ${optval}_decoder
1135 ;;
1136 --disable-encoders) disable $ENCODER_LIST
1137 ;;
1138 --disable-decoders) disable $DECODER_LIST
1139 ;;
1140 --enable-muxer=*) enable ${optval}_muxer
1141 ;;
1142 --disable-muxer=*) disable ${optval}_muxer
1143 ;;
1144 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1145 ;;
1146 --enable-demuxer=*) enable ${optval}_demuxer
1147 ;;
1148 --disable-demuxer=*) disable ${optval}_demuxer
1149 ;;
1150 --disable-demuxers) disable $DEMUXER_LIST
1151 ;;
1152 --enable-parser=*) enable ${optval}_parser
1153 ;;
1154 --disable-parser=*) disable ${optval}_parser
1155 ;;
1156 --disable-parsers) disable $PARSER_LIST
1157 ;;
1158 --help) show_help
1159 ;;
1160 *)
1161 echo "Unknown option \"$opt\"."
1162 echo "See $0 --help for available options."
1163 exit 1
1164 ;;
1165 esac
1166 done
1167
1168 if ! disabled logging ; then
1169 enabled logging || logfile="$logging"
1170 echo "# $0 $@" >$logfile
1171 set >>$logfile
1172 else
1173 logfile=/dev/null
1174 fi
1175
1176 if enabled_any mingw32 wince; then
1177 if enabled_all lshared lstatic; then
1178 cat <<EOF
1179 You can only build one library type at once on MinGW.
1180 Specify --disable-static --enable-shared to only build
1181 the shared libraries. To build only the static libraries
1182 you do not need to pass additional options.
1183 EOF
1184 exit 1
1185 fi
1186 video4linux="no"
1187 video4linux2="no"
1188 audio_oss="no"
1189 dv1394="no"
1190 dc1394="no"
1191 ffserver="no"
1192 network="no"
1193 if enabled wince; then
1194 protocols="no"
1195 fi
1196 SLIBPREF=""
1197 SLIBSUF=".dll"
1198 EXESUF=".exe"
1199 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1200 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1201 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1202 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1203 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1204 fi
1205
1206 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1207 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1208
1209 test -n "$cross_prefix" && cross_compile=yes
1210 cc="${cross_prefix}${cc}"
1211 ar="${cross_prefix}${ar}"
1212 ranlib="${cross_prefix}${ranlib}"
1213 strip="${cross_prefix}${strip}"
1214
1215 # we need to build at least one lib type
1216 if disabled_all lstatic lshared; then
1217 cat <<EOF
1218 At least one library type must be built.
1219 Specify --enable-static to build the static libraries or --enable-shared to
1220 build the shared libraries as well. To only build the shared libraries specify
1221 --disable-static in addition to --enable-shared.
1222 EOF
1223 exit 1;
1224 fi
1225
1226 if enabled libtheora && disabled libogg; then
1227 die "libogg must be enabled to enable libtheora."
1228 fi
1229
1230 if enabled libvorbis && disabled libogg; then
1231 die "libogg must be enabled to enable libvorbis."
1232 fi
1233
1234 if enabled_any libfaad libfaadbin ; then
1235 if check_header faad.h; then
1236 check_cc << EOF
1237 #include <faad.h>
1238 #ifndef FAAD2_VERSION
1239 ok faad1
1240 #endif
1241 int main( void ) { return 0; }
1242 EOF
1243 test $? = 0 && enable libfaad2
1244 else
1245 die "FAAD test failed."
1246 fi
1247 fi
1248
1249
1250 if disabled gpl ; then
1251 die_gpl_disabled(){
1252 name=$1
1253 shift
1254 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1255 }
1256 die_gpl_disabled "The Postprocessing code" pp
1257 die_gpl_disabled "liba52" liba52 liba52bin
1258 die_gpl_disabled "libxvidcore" xvid
1259 die_gpl_disabled "x264" x264
1260 die_gpl_disabled "libdts" libdts
1261 die_gpl_disabled "FAAD2" libfaad2
1262 die_gpl_disabled "The X11 grabber" x11grab
1263 die_gpl_disabled "The software scaler" swscaler
1264 fi
1265
1266 # compute MMX state
1267 if test $mmx = "default"; then
1268 if test $arch = "x86_32" -o $arch = "x86_64"; then
1269 mmx="yes"
1270 else
1271 mmx="no"
1272 fi
1273 fi
1274
1275 test -z "$need_memalign" && need_memalign="$mmx"
1276
1277 #Darwin CC versions
1278 needmdynamicnopic="no"
1279 if test $targetos = Darwin; then
1280 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1281 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1282 else
1283 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1284 case "$gcc_version" in
1285 *2.95*)
1286 add_cflags "-no-cpp-precomp -pipe"
1287 ;;
1288 *[34].*)
1289 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1290 if disabled lshared; then
1291 needmdynamicnopic="yes"
1292 fi
1293 ;;
1294 *)
1295 add_cflags "-no-cpp-precomp -pipe"
1296 if disabled lshared; then
1297 needmdynamicnopic="yes"
1298 fi
1299 ;;
1300 esac
1301 fi
1302 fi
1303
1304 if ! disabled optimize ; then
1305 add_cflags "-fomit-frame-pointer"
1306 fi
1307
1308 # Can only do AltiVec on PowerPC
1309 if test $altivec = "default"; then
1310 if test $arch = "powerpc"; then
1311 altivec="yes"
1312 else
1313 altivec="no"
1314 fi
1315 fi
1316
1317 # Add processor-specific flags
1318 POWERPCMODE="32bits"
1319 if test $cpu != "generic"; then
1320 warn_altivec_enabled(){
1321 enabled altivec && echo "WARNING: Tuning for $1 but AltiVec enabled.";
1322 }
1323 warn_altivec_disabled(){
1324 disabled altivec && echo "WARNING: Tuning for $1 but AltiVec disabled.";
1325 }
1326 case $cpu in
1327 601|ppc601|PowerPC601)
1328 add_cflags "-mcpu=601"
1329 warn_altivec_enabled PPC601
1330 ;;
1331 603*|ppc603*|PowerPC603*)
1332 add_cflags "-mcpu=603"
1333 warn_altivec_enabled PPC603
1334 ;;
1335 604*|ppc604*|PowerPC604*)
1336 add_cflags "-mcpu=604"
1337 warn_altivec_enabled PPC604
1338 ;;
1339 G3|g3|75*|ppc75*|PowerPC75*)
1340 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1341 warn_altivec_enabled PPC75x
1342 ;;
1343 G4|g4|745*|ppc745*|PowerPC745*)
1344 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1345 warn_altivec_disabled PPC745x
1346 ;;
1347 74*|ppc74*|PowerPC74*)
1348 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1349 warn_altivec_disabled PPC74xx
1350 ;;
1351 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1352 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1353 warn_altivec_disabled PPC970
1354 POWERPCMODE="64bits"
1355 ;;
1356 # targets that do NOT support conditional mov (cmov)
1357 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1358 add_cflags "-march=$cpu"
1359 cmov="no"
1360 ;;
1361 # targets that do support conditional mov (cmov)
1362 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1363 add_cflags "-march=$cpu"
1364 cmov="yes"
1365 fast_cmov="yes"
1366 ;;
1367 # targets that do support conditional mov but on which it's slow
1368 pentium4|prescott|nocona)
1369 add_cflags "-march=$cpu"
1370 cmov="yes"
1371 fast_cmov="no"
1372 ;;
1373 sparc64)
1374 add_cflags "-mcpu=v9"
1375 ;;
1376 *)
1377 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1378 ;;
1379 esac
1380 fi
1381
1382 # make sure we can execute files in $TMPDIR
1383 cat >$TMPE 2>>$logfile <<EOF
1384 #! /bin/sh
1385 EOF
1386 chmod +x $TMPE >>$logfile 2>&1
1387 if ! $TMPE >>$logfile 2>&1; then
1388 cat <<EOF
1389 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1390 variable to another directory and make sure that $TMPDIR1 is not mounted
1391 noexec.
1392 EOF
1393 die "Sanity test failed."
1394 fi
1395 rm $TMPE
1396
1397 # compiler sanity check
1398 check_exec <<EOF
1399 int main(){
1400 return 0;
1401 }
1402 EOF
1403 if test "$?" != 0; then
1404 echo "$cc is unable to create an executable file."
1405 if test -z "$cross_prefix" -a "$cross_compile" = no; then
1406 echo "If $cc is a cross-compiler, use the --cross-compile option."
1407 echo "Only do this if you know what cross compiling means."
1408 fi
1409 die "C compiler test failed."
1410 fi
1411
1412 # check for assembler specific support
1413
1414 if test $arch = "powerpc"; then
1415 check_cc <<EOF && dcbzl=yes
1416 int main(void) {
1417 register long zero = 0;
1418 char data[1024];
1419 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1420 return 0;
1421 }
1422 EOF
1423 fi
1424
1425 # check for SIMD availability
1426
1427 # AltiVec flags: The FSF version of GCC differs from the Apple version
1428 if test $arch = "powerpc"; then
1429 if enabled altivec; then
1430 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1431 add_cflags "-faltivec"
1432 else
1433 add_cflags "-maltivec -mabi=altivec"
1434 fi
1435 fi
1436 fi
1437
1438 check_header altivec.h
1439
1440 # check if our compiler supports Motorola AltiVec C API
1441 if enabled altivec; then
1442 if enabled altivec_h; then
1443 inc_altivec_h="#include <altivec.h>"
1444 else
1445 inc_altivec_h=
1446 fi
1447 check_cc <<EOF || altivec=no
1448 $inc_altivec_h
1449 int main(void) {
1450 vector signed int v1, v2, v3;
1451 v1 = vec_add(v2,v3);
1452 return 0;
1453 }
1454 EOF
1455 fi
1456
1457 # check armv5te instructions support
1458 if test $armv5te = "default" -a $arch = "armv4l"; then
1459 armv5te=no
1460 check_cc <<EOF && armv5te=yes
1461 int main(void) {
1462 __asm__ __volatile__ ("qadd r0, r0, r0");
1463 }
1464 EOF
1465 fi
1466
1467 if test $armv6 = "default" -a $arch = "armv4l"; then
1468 check_cc <<EOF && armv6=yes || armv6=no
1469 int main(void) {
1470 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1471 }
1472 EOF
1473 fi
1474
1475 # check iwmmxt support
1476 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1477 iwmmxt=no
1478 check_cc <<EOF && iwmmxt=yes
1479 int main(void) {
1480 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1481 }
1482 EOF
1483 fi
1484
1485 # mmi only available on mips
1486 if test $mmi = "default"; then
1487 if test $arch = "mips"; then
1488 mmi="yes"
1489 else
1490 mmi="no"
1491 fi
1492 fi
1493
1494 # check if our compiler supports mmi
1495 enabled mmi && check_cc <<EOF || mmi="no"
1496 int main(void) {
1497 __asm__ ("lq \$2, 0(\$2)");
1498 return 0;
1499 }
1500 EOF
1501
1502 # ---
1503 # big/little-endian test
1504 if disabled cross_compile; then
1505 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1506 #include <inttypes.h>
1507 int main(int argc, char ** argv){
1508 volatile uint32_t i=0x01234567;
1509 return (*((uint8_t*)(&i))) == 0x67;
1510 }
1511 EOF
1512 else
1513 # programs cannot be launched if cross compiling, so make a static guess
1514 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1515 bigendian="yes"
1516 fi
1517 fi
1518
1519 # ---
1520 # check availability of some header files
1521
1522 check_header malloc.h
1523 check_func memalign
1524
1525 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1526 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1527 fi
1528
1529 check_header byteswap.h
1530
1531 check_func inet_aton
1532 check_func localtime_r
1533 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1534
1535 # check for some common methods of building with pthread support
1536 # do this before the optional library checks as some of them require pthreads
1537 if enabled pthreads; then
1538 if check_func pthread_create; then
1539 :
1540 elif check_func pthread_create -pthread; then
1541 add_cflags -pthread
1542 add_ldflags -pthread
1543 elif check_func pthread_create -pthreads; then
1544 add_cflags -pthreads
1545 add_ldflags -pthreads
1546 elif ! check_lib pthread.h pthread_create -lpthread; then
1547 die "ERROR: can't find pthreads library"
1548 fi
1549 fi
1550
1551 for thread in pthreads beosthreads os2threads w32threads; do
1552 if enabled $thread; then
1553 if ! disabled thread_type ; then
1554 die "ERROR: Only one thread type must be selected."
1555 else
1556 thread_type="$thread"
1557 fi
1558 fi
1559 done
1560
1561 # these are off by default, so fail if requested and not available
1562 enabled libdts && require libdts dts.h dts_init -ldts -lm
1563 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1564 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1565 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1566 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1567 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1568 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1569 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1570 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1571 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1572 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1573
1574 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1575 # the generic test functions
1576 if enabled libfaac; then
1577 save_flags
1578 temp_extralibs -lfaac
1579 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1580 #include <stdint.h>
1581 #include <faac.h>
1582 int main(){
1583 char *id, *cpr;
1584 faacEncGetVersion(&id, &cpr);
1585 return 0;
1586 }
1587 EOF
1588 restore_flags
1589 fi
1590
1591 # Ugh, recent faad2 versions have renamed all functions and #define the
1592 # old names in faad.h. Generic tests won't work.
1593 if enabled libfaad; then
1594 save_flags
1595 temp_extralibs -lfaad
1596 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1597 #include <faad.h>
1598 int main(){
1599 faacDecOpen();
1600 return 0;
1601 }
1602 EOF
1603 restore_flags
1604 fi
1605
1606 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1607 if enabled avisynth; then
1608 save_flags
1609 temp_extralibs -lvfw32
1610 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1611 #include <windows.h>
1612 #include <vfw.h>
1613 int main(){
1614 AVIFileInit();
1615 return 0;
1616 }
1617 EOF
1618 restore_flags
1619 fi
1620
1621
1622 # test for lrintf in math.h
1623 check_exec <<EOF && lrintf=yes || lrintf=no
1624 #define _ISOC9X_SOURCE 1
1625 #include <math.h>
1626 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1627 EOF
1628
1629 _restrict=
1630 for restrict_keyword in restrict __restrict__ __restrict; do
1631 check_cc <<EOF && _restrict=$restrict_keyword && break
1632 void foo(char * $restrict_keyword p);
1633 EOF
1634 done
1635
1636 # dlopen/dlfcn.h probing
1637
1638 check_header dlfcn.h
1639
1640 if check_func dlopen; then
1641 ldl=
1642 elif check_func dlopen -ldl; then
1643 ldl=-ldl
1644 fi
1645
1646 if test "$vhook" = "default"; then
1647 vhook="$dlopen"
1648 fi
1649
1650 if enabled_any vhook liba52bin libfaadbin; then
1651 add_extralibs $ldl
1652 fi
1653
1654 if test "$targetos" = "CYGWIN" -a "$lstatic" = "yes" ; then
1655 vhook="no"
1656 echo
1657 echo "At the moment vhooks don't work on Cygwin static builds."
1658 echo "Patches welcome."
1659 echo
1660 fi
1661
1662 if enabled vhook; then
1663 check_ldflags -rdynamic
1664 check_ldflags -export-dynamic
1665 fi
1666
1667 if enabled audio_beos; then
1668 add_extralibs "-lmedia -lbe"
1669 fi
1670
1671 ##########################################
1672 # imlib check
1673
1674 temp_extralibs -lImlib2
1675 check_ld <<EOF && imlib2=yes || imlib2=no
1676 #include <X11/Xlib.h>
1677 #include <Imlib2.h>
1678 int main( void ) { return (int) imlib_load_font("foo"); }
1679 EOF
1680 restore_flags
1681
1682 ##########################################
1683 # FreeType check
1684
1685 freetype2=no
1686 if test "x$targetos" != "xBeOS"; then
1687 if (freetype-config --version) >/dev/null 2>&1 ; then
1688 temp_cflags `freetype-config --cflags`
1689 temp_extralibs `freetype-config --libs`
1690 check_ld <<EOF && freetype2=yes
1691 #include <ft2build.h>
1692 int main( void ) { return (int) FT_Init_FreeType(0); }
1693 EOF
1694 restore_flags
1695 fi
1696 fi
1697
1698 ##########################################
1699 # SDL check
1700
1701 sdl_too_old=no
1702 sdl=no
1703 SDL_CONFIG="${cross_prefix}sdl-config"
1704 if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then
1705 temp_cflags `"${SDL_CONFIG}" --cflags`
1706 temp_extralibs `"${SDL_CONFIG}" --libs`
1707 check_ld <<EOF
1708 #include <SDL.h>
1709 #undef main /* We don't want SDL to override our main() */
1710 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
1711 EOF
1712 if test $? = 0; then
1713 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1714 if test "$_sdlversion" -lt 121 ; then
1715 sdl_too_old=yes
1716 else
1717 sdl=yes
1718 check_cc <<EOF && sdl_video_size=yes || sdl_video_size=no
1719 #include <SDL.h>
1720 int main(void){
1721 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1722 int w = vi->current_w;
1723 return 0;
1724 }
1725 EOF
1726 fi
1727 fi
1728 restore_flags
1729 fi
1730
1731 enabled sdl || ffplay=no
1732
1733 ##########################################
1734 # texi2html check
1735
1736 texi2html=no
1737 if (texi2html -version) >/dev/null 2>&1; then
1738 texi2html=yes
1739 fi
1740
1741 ##########################################
1742 # IPv6 check
1743
1744 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1745 #include <sys/types.h>
1746 #include <sys/socket.h>
1747 #include <netinet/in.h>
1748 #include <netdb.h>
1749 int main( void ) {
1750 struct sockaddr_storage saddr;
1751 struct ipv6_mreq mreq6;
1752 getaddrinfo(0,0,0,0);
1753 getnameinfo(0,0,0,0,0,0,0);
1754 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1755 }
1756 EOF
1757
1758 # check for video4linux2 --- V4L2_PIX_FMT_YUV420
1759 enabled video4linux2 && check_cc <<EOF || video4linux2="no"
1760 #include <sys/time.h>
1761 #include <asm/types.h>
1762 #include <linux/videodev2.h>
1763 int dummy = V4L2_PIX_FMT_YUV420;
1764 struct v4l2_buffer dummy1;
1765 EOF
1766
1767 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1768 if enabled bktr; then
1769 check_header dev/bktr/ioctl_meteor.h
1770 check_header dev/bktr/ioctl_bt848.h
1771
1772 check_header machine/ioctl_meteor.h
1773 check_header machine/ioctl_bt848.h
1774
1775 check_header dev/video/meteor/ioctl_meteor.h
1776 check_header dev/video/bktr/ioctl_bt848.h
1777
1778 check_header dev/ic/bt8xx.h
1779 fi
1780
1781 # Deal with the x11 frame grabber
1782 enabled x11grab &&
1783 enabled gpl &&
1784 enabled x11_grab_device_demuxer &&
1785 check_header X11/Xlib.h &&
1786 check_header X11/extensions/XShm.h &&
1787 check_func XOpenDisplay -lX11 &&
1788 check_func XShmCreateImage -lX11 -lXext &&
1789 add_extralibs -lX11 -lXext ||
1790 disable x11_grab_device_demuxer
1791
1792 enabled debug && add_cflags -g
1793
1794 # add some useful compiler flags if supported
1795 check_cflags -Wdeclaration-after-statement
1796 check_cflags -Wall
1797 check_cflags -Wno-switch
1798 check_cflags -Wdisabled-optimization
1799 check_cflags -Wpointer-arith
1800 check_cflags -Wredundant-decls
1801 check_cflags -Wno-pointer-sign
1802 enabled extrawarnings && check_cflags -Winline
1803
1804 # add some linker flags
1805 check_ldflags $LDLATEFLAGS
1806
1807 # not all compilers support -Os
1808 test "$optimize" = "small" && check_cflags -Os
1809
1810 if enabled optimize; then
1811 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1812 add_cflags "-O5"
1813 add_ldflags "-O5"
1814 else
1815 add_cflags "-O3"
1816 fi
1817 fi
1818
1819 # PIC flags for shared library objects where they are needed
1820 if enabled lshared; then
1821 # LIBOBJFLAGS may have already been set in the OS configuration
1822 if test -z "$LIBOBJFLAGS" ; then
1823 case "$arch" in
1824 x86_64|ia64|alpha|sparc*) LIBOBJFLAGS="\$(PIC)" ;;
1825 esac
1826 fi
1827 fi
1828
1829 if enabled gprof; then
1830 add_cflags "-p"
1831 add_ldflags "-p"
1832 fi
1833
1834 VHOOKCFLAGS="-fPIC $CFLAGS"
1835 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1836
1837 # find if .align arg is power-of-two or not
1838 if test $asmalign_pot = "unknown"; then
1839 asmalign_pot="no"
1840 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1841 fi
1842
1843 echo "install prefix $PREFIX"
1844 echo "source path $source_path"
1845 echo "C compiler $cc"
1846 echo "make $make"
1847 echo ".align is power-of-two $asmalign_pot"
1848 echo "ARCH $arch ($cpu)"
1849 if test "$BUILDSUF" != ""; then
1850 echo "build suffix $BUILDSUF"
1851 fi
1852 echo "big-endian $bigendian"
1853 if test $arch = "x86_32" -o $arch = "x86_64"; then
1854 echo "MMX enabled $mmx"
1855 echo "CMOV enabled $cmov"
1856 echo "CMOV is fast $fast_cmov"
1857 fi
1858 if test $arch = "armv4l"; then
1859 echo "ARMv5TE enabled $armv5te"
1860 echo "ARMv6 enabled $armv6"
1861 echo "IWMMXT enabled $iwmmxt"
1862 fi
1863 if test $arch = "mips"; then
1864 echo "MMI enabled $mmi"
1865 fi
1866 if test $arch = "powerpc"; then
1867 echo "AltiVec enabled $altivec"
1868 echo "dcbzl available $dcbzl"
1869 fi
1870 echo "gprof enabled $gprof"
1871 echo "debug symbols $debug"
1872 echo "strip symbols $dostrip"
1873 echo "optimize $optimize"
1874 echo "static $lstatic"
1875 echo "shared $lshared"
1876 echo "postprocessing support $pp"
1877 echo "software scaler enabled $swscaler"
1878 echo "video hooking $vhook"
1879 if enabled vhook; then
1880 echo "Imlib2 support $imlib2"
1881 echo "FreeType support $freetype2"
1882 fi
1883 echo "network support $network"
1884 if enabled network; then
1885 echo "IPv6 support $ipv6"
1886 fi
1887 echo "threading support $thread_type"
1888 echo "SDL support $sdl"
1889 if enabled sdl_too_old; then
1890 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1891 fi
1892 echo "Sun medialib support $mlib"
1893 echo "AVISynth enabled $avisynth"
1894 echo "liba52 support $liba52"
1895 echo "liba52 dlopened $liba52bin"
1896 echo "libdts support $libdts"
1897 echo "libfaac enabled $libfaac"
1898 echo "libfaad enabled $libfaad"
1899 echo "faadbin enabled $libfaadbin"
1900 echo "libgsm enabled $libgsm"
1901 echo "libmp3lame enabled $libmp3lame"
1902 echo "libnut enabled $libnut"
1903 echo "libogg enabled $libogg"
1904 echo "libtheora enabled $libtheora"
1905 echo "libvorbis enabled $libvorbis"
1906 echo "x264 enabled $x264"
1907 echo "XviD enabled $xvid"
1908 echo "zlib enabled $zlib"
1909 echo "AMR-NB float support $amr_nb"
1910 echo "AMR-NB fixed support $amr_nb_fixed"
1911 echo "AMR-WB float support $amr_wb"
1912 echo "AMR-WB IF2 support $amr_if2"
1913 if disabled gpl; then
1914 echo "License: LGPL"
1915 else
1916 echo "License: GPL"
1917 fi
1918
1919 echo "Creating config.mak and config.h..."
1920
1921 echo "# Automatically generated by configure - do not modify!" > config.mak
1922 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1923 echo "#define FFMPEG_CONFIGURATION "'"'"$FFMPEG_CONFIGURATION"'"' >> $TMPH
1924
1925 echo "PREFIX=$PREFIX" >> config.mak
1926 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1927 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1928 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1929 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1930 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1931 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1932 echo "MAKE=$make" >> config.mak
1933 echo "CC=$cc" >> config.mak
1934 echo "AR=$ar" >> config.mak
1935 echo "RANLIB=$ranlib" >> config.mak
1936 if enabled dostrip; then
1937 echo "STRIP=$strip" >> config.mak
1938 else
1939 echo "STRIP=echo ignoring strip" >> config.mak
1940 fi
1941
1942 echo "OPTFLAGS=$CFLAGS" >> config.mak
1943 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1944 echo "LDFLAGS=$LDFLAGS" >> config.mak
1945 echo "LDCONFIG=$LDCONFIG" >> config.mak
1946 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1947 echo "SHFLAGS=$SHFLAGS" >> config.mak
1948 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1949 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1950 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1951 echo "BUILD_STATIC=$lstatic" >> config.mak
1952 echo "BUILDSUF=$BUILDSUF" >> config.mak
1953 echo "LIBPREF=$LIBPREF" >> config.mak
1954 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1955 if enabled lstatic; then
1956 echo "LIB=$LIB" >> config.mak
1957 else # Some Make complain if this variable does not exist.
1958 echo "LIB=" >> config.mak
1959 fi
1960 echo "SLIBPREF=$SLIBPREF" >> config.mak
1961 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1962 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1963 echo "TARGET_OS=$targetos" >> config.mak
1964
1965 ucarch=`toupper $arch`
1966 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1967 echo "#define ARCH_${ucarch} 1" >> $TMPH
1968
1969 # special cases
1970 case "$arch" in
1971 x86_32|x86_64)
1972 echo "TARGET_ARCH_X86=yes" >> config.mak
1973 echo "#define ARCH_X86 1" >> $TMPH
1974 ;;
1975 powerpc)
1976 if test "$POWERPCMODE" = "64bits"; then
1977 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1978 fi
1979 if enabled powerpc_perf; then
1980 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1981 fi
1982 ;;
1983 sparc64)
1984 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1985 echo "#define ARCH_SPARC 1" >> $TMPH
1986 ;;
1987 esac
1988
1989 if enabled bigendian; then
1990 echo "WORDS_BIGENDIAN=yes" >> config.mak
1991 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1992 fi
1993 if enabled mmx; then
1994 echo "#define __CPU__ 586" >> $TMPH
1995 fi
1996
1997 if enabled sdl; then
1998 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1999 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2000 fi
2001 if enabled texi2html; then
2002 echo "BUILD_DOC=yes" >> config.mak
2003 fi
2004
2005 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
2006 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
2007 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
2008 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
2009 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2010
2011
2012
2013 if enabled lshared; then
2014 echo "BUILD_SHARED=yes" >> config.mak
2015 echo "PIC=-fPIC -DPIC" >> config.mak
2016 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2017 echo "SPPVERSION=$pp_version" >> config.mak
2018 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2019 echo "LAVCVERSION=$lavc_version" >> config.mak
2020 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2021 echo "LAVFVERSION=$lavf_version" >> config.mak
2022 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2023 echo "LAVUVERSION=$lavu_version" >> config.mak
2024 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2025 echo "SWSVERSION=$sws_version" >> config.mak
2026 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2027 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2028 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2029 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2030 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2031 fi
2032 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2033 echo "EXTRALIBS=$extralibs" >> config.mak
2034
2035 enabled_any $ENCODER_LIST && enable encoders
2036 enabled_any $DECODER_LIST && enable decoders
2037 enabled_any $MUXER_LIST && enable muxers
2038 enabled_any $DEMUXER_LIST && enable demuxers
2039
2040 enabled_any pthreads beosthreads os2threads w32threads && enable threads
2041
2042 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
2043 $DEMUXER_LIST $MUXER_LIST
2044
2045 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2046 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
2047 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2048
2049 if test "$targetos" = "Darwin"; then
2050 echo "#define CONFIG_DARWIN 1" >> $TMPH
2051 fi
2052
2053 echo "#define restrict $_restrict" >> $TMPH
2054
2055 if test "$optimize" = "small"; then
2056 echo "#define always_inline" >> $TMPH
2057 echo "#define CONFIG_SMALL 1" >> $TMPH
2058 fi
2059
2060 echo "SRC_PATH=\"$source_path\"" >> config.mak
2061 echo "SRC_PATH_BARE=$source_path" >> config.mak
2062 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2063
2064 if enabled amr_if2; then
2065 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2066 fi
2067
2068 # Apparently it's not possible to portably echo a backslash.
2069 if enabled asmalign_pot; then
2070 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2071 else
2072 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2073 fi
2074
2075
2076 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2077 ucname="`toupper $codec`"
2078 config_name="CONFIG_$ucname"
2079 enabled_name="ENABLE_$ucname"
2080 if enabled $codec; then
2081 echo "#define $config_name 1" >> $TMPH
2082 echo "#define $enabled_name 1" >> $TMPH
2083 echo "$config_name=yes" >> config.mak
2084 else
2085 echo "#define $enabled_name 0" >> $TMPH
2086 fi
2087 done
2088
2089 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2090 if ! cmp -s $TMPH config.h; then
2091 mv -f $TMPH config.h
2092 else
2093 echo "config.h is unchanged"
2094 fi
2095
2096 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2097
2098 # build tree in object directory if source path is different from current one
2099 if enabled source_path_used; then
2100 DIRS="\
2101 doc \
2102 libavformat \
2103 libavcodec \
2104 libavcodec/alpha \
2105 libavcodec/armv4l \
2106 libavcodec/bfin \
2107 libavcodec/i386 \
2108 libavcodec/sparc \
2109 libavcodec/mlib \
2110 libavcodec/ppc \
2111 libavcodec/liba52 \
2112 libavcodec/amr \
2113 libavcodec/amr_float \
2114 libavcodec/amrwb_float \
2115 libpostproc \
2116 libavutil \
2117 libswscale \
2118 tests \
2119 vhook \
2120 "
2121 FILES="\
2122 Makefile \
2123 common.mak \
2124 libavformat/Makefile \
2125 libavcodec/Makefile \
2126 libpostproc/Makefile \
2127 libavutil/Makefile \
2128 libswscale/Makefile \
2129 tests/Makefile \
2130 vhook/Makefile \
2131 doc/Makefile \
2132 doc/texi2pod.pl \
2133 "
2134 for dir in $DIRS ; do
2135 mkdir -p $dir
2136 done
2137 for f in $FILES ; do
2138 ln -sf "$source_path/$f" $f
2139 done
2140 fi
2141
2142
2143 # build pkg-config files
2144 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2145
2146 pkgconfig_generate(){
2147 name=$1
2148 comment=$2
2149 version=$3
2150 libs=$4
2151 requires=$5
2152 include=$6
2153 cat <<EOF >$name.pc
2154 prefix=$PREFIX
2155 exec_prefix=\${prefix}
2156 libdir=\${exec_prefix}/lib
2157 includedir=\${prefix}/include
2158
2159 Name: $name
2160 Description: $comment
2161 Version: $version
2162 Requires: $requires
2163 Conflicts:
2164 Libs: -L\${libdir} $libs
2165 Cflags: -I\${includedir} -I\${includedir}/$include
2166 EOF
2167 }
2168
2169 pkgconfig_generate_uninstalled(){
2170 name=$1
2171 shortname=${name#lib}
2172 comment=$2
2173 version=$3
2174 libs=$4
2175 requires=$5
2176 cat <<EOF >$name-uninstalled.pc
2177 prefix=
2178 exec_prefix=
2179 libdir=\${pcfiledir}/$name
2180 includedir=\${pcfiledir}/$name
2181
2182 Name: $name
2183 Description: $comment
2184 Version: $version
2185 Requires: $requires
2186 Conflicts:
2187 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2188 Cflags: -I\${includedir}
2189 EOF
2190 }
2191
2192 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2193 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2194
2195 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2196 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2197
2198 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2199 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2200
2201 if enabled pp; then
2202 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2203 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2204 fi
2205
2206 if enabled swscaler; then
2207 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2208 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2209 else
2210 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2211 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2212 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2213 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2214 fi