9cb950b345690cd7e0ee02a07a8ff9723205a606
[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-gpl allow use of GPL code, the resulting libav*"
72 echo " and ffmpeg will be under GPL [default=no]"
73 echo " --enable-pp enable GPLed postprocessing support [default=no]"
74 echo " --enable-swscaler software scaler support [default=no]"
75 echo " --enable-beosthreads use BeOS threads [default=no]"
76 echo " --enable-os2threads use OS/2 threads [default=no]"
77 echo " --enable-pthreads use pthreads [default=no]"
78 echo " --enable-w32threads use Win32 threads [default=no]"
79 echo " --enable-x11grab enable X11 grabbing [default=no]"
80 echo
81 echo "External library support:"
82 echo " --enable-sunmlib use Sun medialib [default=no]"
83 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
84 echo " and libraw1394 [default=no]"
85 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
86 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
87 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
88 echo " --enable-libdts enable GPLed libdts support [default=no]"
89 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
90 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
91 echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]"
92 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
93 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
94 echo " --enable-libnut enable NUT (de)muxing via libnut,"
95 echo " native demuxer exists [default=no]"
96 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
97 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
98 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
99 echo " native implementations exist [default=no]"
100 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
101 echo " --enable-xvid enable Xvid encoding via xvidcore,"
102 echo " native MPEG-4/Xvid encoder exists [default=no]"
103 echo " --enable-amr_nb enable amr_nb float audio codec"
104 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
105 echo " --enable-amr_wb enable amr_wb float audio codec"
106 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
107 echo ""
108 echo "Advanced options (experts only):"
109 echo " --source-path=PATH path to source code [$source_path]"
110 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
111 echo " --cross-compile assume a cross-compiler is used"
112 echo " --target-os=OS compiler targets OS [$targetos]"
113 echo " --cc=CC use C compiler CC [$cc]"
114 echo " --make=MAKE use specified make [$make]"
115 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
116 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
117 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
118 echo " --build-suffix=SUFFIX suffix for application specific build []"
119 echo " --arch=ARCH select architecture [$arch]"
120 echo " --cpu=CPU selects the minimum cpu required (affects"
121 echo " instruction selection, may crash on older CPUs)"
122 echo " --enable-powerpc-perf enable performance report on PPC"
123 echo " (requires enabling PMC)"
124 echo " --disable-mmx disable MMX usage"
125 echo " --disable-armv5te disable armv5te usage"
126 echo " --disable-armv6 disable armv6 usage"
127 echo " --disable-iwmmxt disable iwmmxt usage"
128 echo " --disable-altivec disable AltiVec usage"
129 echo " --disable-audio-oss disable OSS audio support [default=no]"
130 echo " --disable-audio-beos disable BeOS audio support [default=no]"
131 echo " --disable-v4l disable video4linux grabbing [default=no]"
132 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
133 echo " --disable-bktr disable bktr video grabbing [default=no]"
134 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
135 echo " --disable-network disable network support [default=no]"
136 echo " --disable-ipv6 disable ipv6 support [default=no]"
137 echo " --disable-zlib disable zlib [default=no]"
138 echo " --disable-vhook disable video hooking support"
139 echo " --disable-debug disable debugging symbols"
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-encoder=NAME disables encoder NAME"
149 echo " --enable-encoder=NAME enables encoder NAME"
150 echo " --disable-decoder=NAME disables decoder NAME"
151 echo " --enable-decoder=NAME enables decoder NAME"
152 echo " --disable-encoders disables all encoders"
153 echo " --disable-decoders disables all decoders"
154 echo " --disable-muxer=NAME disables muxer NAME"
155 echo " --enable-muxer=NAME enables muxer NAME"
156 echo " --disable-muxers disables all muxers"
157 echo " --disable-demuxer=NAME disables demuxer NAME"
158 echo " --enable-demuxer=NAME enables demuxer NAME"
159 echo " --disable-demuxers disables all demuxers"
160 echo " --enable-parser=NAME enables parser NAME"
161 echo " --disable-parser=NAME disables parser NAME"
162 echo " --disable-parsers disables all parsers"
163 echo
164 echo "Developer options (useful when working on FFmpeg itself):"
165 echo " --enable-gprof enable profiling with gprof [$gprof]"
166 echo " --disable-opts disable compiler optimizations"
167 echo " --enable-extra-warnings enable more compiler warnings"
168 echo " --disable-strip disable stripping of executables and shared libraries"
169 echo ""
170 echo "NOTE: Object files are built at the place where configure is launched."
171 exit 1
172 }
173
174 log(){
175 echo "$@" >>$logfile
176 }
177
178 log_file(){
179 log BEGIN $1
180 cat -n $1 >>$logfile
181 log END $1
182 }
183
184 echolog(){
185 log "$@"
186 echo "$@"
187 }
188
189 die(){
190 echolog "$@"
191 cat <<EOF
192 If you think configure made a mistake, make sure you are using the latest
193 version from SVN. If the latest version fails, report the problem to the
194 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
195 EOF
196 if enabled logging; then
197 cat <<EOF
198 Include the log file "$logfile" produced by configure as this will help
199 solving the problem.
200 EOF
201 else
202 cat <<EOF
203 Rerun configure with logging enabled (do not use --log=no), and include the
204 log this produces with your report.
205 EOF
206 fi
207 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
208 exit 1
209 }
210
211 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
212 toupper(){
213 echo "$@" | tr '[a-z]' '[A-Z]'
214 }
215
216 tolower(){
217 echo "$@" | tr '[A-Z]' '[a-z]'
218 }
219
220 set_all(){
221 value=$1
222 shift
223 for var in $*; do
224 eval $var=$value
225 done
226 }
227
228 pushvar(){
229 for var in $*; do
230 eval level=\${${var}_level:=0}
231 eval ${var}_${level}="\$$var"
232 eval ${var}_level=$(($level+1))
233 done
234 }
235
236 popvar(){
237 for var in $*; do
238 eval level=\${${var}_level:-0}
239 test $level = 0 && continue
240 eval level=$(($level-1))
241 eval $var="\${${var}_${level}}"
242 eval ${var}_level=$level
243 eval unset ${var}_${level}
244 done
245 }
246
247 enable(){
248 set_all yes $*
249 }
250
251 disable(){
252 set_all no $*
253 }
254
255 enabled(){
256 eval test "x\$$1" = "xyes"
257 }
258
259 disabled(){
260 eval test "x\$$1" = "xno"
261 }
262
263 enabled_all(){
264 for opt; do
265 enabled $opt || return 1
266 done
267 }
268
269 disabled_all(){
270 for opt; do
271 disabled $opt || return 1
272 done
273 }
274
275 enabled_any(){
276 for opt; do
277 enabled $opt && return 0
278 done
279 }
280
281 disabled_any(){
282 for opt; do
283 disabled $opt && return 0
284 done
285 }
286
287 check_deps(){
288 for cfg; do
289 enabled ${cfg}_checking && die "Circular dependency for $cfg."
290 disabled ${cfg}_checking && continue
291 enable ${cfg}_checking
292
293 eval dep_all="\$${cfg}_deps"
294 eval dep_any="\$${cfg}_deps_any"
295
296 pushvar cfg dep_all dep_any
297 check_deps $dep_all $dep_any
298 popvar cfg dep_all dep_any
299
300 enabled_all $dep_all || disable $cfg
301 enabled_any $dep_any || disable $cfg
302
303 disable ${cfg}_checking
304 done
305 }
306
307 print_config(){
308 pfx=$1
309 header=$2
310 makefile=$3
311 shift 3
312 for cfg; do
313 if enabled $cfg; then
314 ucname="${pfx}`toupper $cfg`"
315 echo "#define ${ucname} 1" >> $header
316 echo "${ucname}=yes" >> $makefile
317 fi
318 done
319 }
320
321 flags_saved(){
322 (: ${SAVE_CFLAGS?}) 2>/dev/null
323 }
324
325 save_flags(){
326 flags_saved && return
327 SAVE_CFLAGS="$CFLAGS"
328 SAVE_LDFLAGS="$LDFLAGS"
329 SAVE_extralibs="$extralibs"
330 }
331
332 restore_flags(){
333 flags_saved || return
334 CFLAGS="$SAVE_CFLAGS"
335 LDFLAGS="$SAVE_LDFLAGS"
336 extralibs="$SAVE_extralibs"
337 unset SAVE_CFLAGS
338 unset SAVE_LDFLAGS
339 unset SAVE_extralibs
340 }
341
342 temp_cflags(){
343 save_flags
344 CFLAGS="$CFLAGS $*"
345 }
346
347 temp_ldflags(){
348 save_flags
349 LDFLAGS="$LDFLAGS $*"
350 }
351
352 temp_extralibs(){
353 save_flags
354 extralibs="$extralibs $*"
355 }
356
357 append(){
358 var=$1
359 shift
360 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
361 eval "$var=\"\$$var $*\""
362 }
363
364 add_cflags(){
365 append CFLAGS "$@"
366 }
367
368 add_ldflags(){
369 append LDFLAGS "$@"
370 }
371
372 add_extralibs(){
373 append extralibs "$@"
374 }
375
376 check_cmd(){
377 log "$@"
378 "$@" >>$logfile 2>&1
379 }
380
381 check_cc(){
382 log check_cc "$@"
383 cat >$TMPC
384 log_file $TMPC
385 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
386 }
387
388 check_cpp(){
389 log check_cpp "$@"
390 cat >$TMPC
391 log_file $TMPC
392 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
393 }
394
395 check_ld(){
396 log check_ld "$@"
397 check_cc || return
398 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
399 }
400
401 check_cflags(){
402 log check_cflags "$@"
403 check_cc "$@" <<EOF && add_cflags "$@"
404 int x;
405 EOF
406 }
407
408 check_ldflags(){
409 log check_ldflags "$@"
410 check_ld "$@" <<EOF && add_ldflags "$@"
411 int main(){
412 return 0;
413 }
414 EOF
415 }
416
417 check_header(){
418 log check_header "$@"
419 header=$1
420 shift
421 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
422 disable $var
423 check_cpp "$@" <<EOF && enable $var
424 #include <$header>
425 int x;
426 EOF
427 }
428
429 check_func(){
430 log check_func "$@"
431 func=$1
432 shift
433 disable $func
434 check_ld "$@" <<EOF && enable $func
435 extern int $func();
436 int main(){
437 $func();
438 }
439 EOF
440 }
441
442 check_lib(){
443 log check_lib "$@"
444 header="$1"
445 func="$2"
446 shift 2
447 temp_extralibs "$@"
448 check_header $header && check_func $func && add_extralibs "$@"
449 err=$?
450 restore_flags
451 return $err
452 }
453
454 check_exec(){
455 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
456 }
457
458 require(){
459 name="$1"
460 header="$2"
461 func="$3"
462 shift 3
463 check_lib $header $func "$@" || die "ERROR: $name not found"
464 }
465
466 apply(){
467 file=$1
468 shift
469 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
470 }
471
472 CONFIG_LIST='
473 encoders
474 decoders
475 parsers
476 muxers
477 demuxers
478 amr
479 amr_nb
480 amr_nb_fixed
481 amr_wb
482 audio_beos
483 audio_oss
484 avisynth
485 beos_netserver
486 bktr
487 dc1394
488 dv1394
489 ffmpeg
490 ffplay
491 ffserver
492 gpl
493 gprof
494 ipv6
495 liba52
496 liba52bin
497 libdts
498 libfaac
499 libfaad
500 libfaadbin
501 libgsm
502 libmp3lame
503 libnut
504 libogg
505 libtheora
506 libvorbis
507 memalign_hack
508 mpegaudio_hp
509 network
510 powerpc_perf
511 pp
512 protocols
513 swscaler
514 vhook
515 v4l
516 v4l2
517 wince
518 x11grab
519 x264
520 xvid
521 zlib
522 '
523
524 HAVE_LIST='
525 altivec
526 altivec_h
527 armv5te
528 armv6
529 beosthreads
530 byteswap_h
531 cmov
532 dcbzl
533 dev_bktr_ioctl_bt848_h
534 dev_bktr_ioctl_meteor_h
535 dev_ic_bt8xx_h
536 dev_video_meteor_ioctl_meteor_h
537 dev_video_bktr_ioctl_bt848_h
538 dlfcn_h
539 dlopen
540 fast_cmov
541 freetype2
542 imlib2
543 inet_aton
544 iwmmxt
545 localtime_r
546 lrintf
547 machine_ioctl_bt848_h
548 machine_ioctl_meteor_h
549 malloc_h
550 memalign
551 mlib
552 mmi
553 mmx
554 os2
555 os2threads
556 pthreads
557 sdl
558 sdl_video_size
559 soundcard_h
560 sys_poll_h
561 sys_soundcard_h
562 threads
563 w32threads
564 '
565
566 TARGET_LIST='
567 altivec
568 armv5te
569 armv6
570 iwmmxt
571 mmi
572 mmx
573 '
574
575 CMDLINE_SELECT="
576 $CONFIG_LIST
577 $TARGET_LIST
578 amr_if2
579 debug
580 extra_warnings
581 mingw32
582 shared
583 static
584 beosthreads
585 os2threads
586 pthreads
587 w32threads
588 "
589
590 flashsv_decoder_deps="zlib"
591 flashsv_encoder_deps="zlib"
592 mpeg_xvmc_decoder_deps="xvmc"
593 png_decoder_deps="zlib"
594 png_encoder_deps="zlib"
595 x264_encoder_deps="x264"
596 xvid_encoder_deps="xvid"
597 zmbv_decoder_deps="zlib"
598 zmbv_encoder_deps="zlib"
599
600 aac_decoder_deps="libfaad"
601 mpeg4aac_decoder_deps="libfaad"
602 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
603 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
604 amr_wb_decoder_deps="amr_wb"
605 amr_wb_encoder_deps="amr_wb"
606 dts_decoder_deps="libdts"
607 faac_encoder_deps="libfaac"
608 liba52_decoder_deps="liba52"
609 libgsm_decoder_deps="libgsm"
610 libgsm_encoder_deps="libgsm"
611 libtheora_encoder_deps="libtheora"
612 mp3lame_encoder_deps="libmp3lame"
613 oggvorbis_decoder_deps="libvorbis"
614 oggvorbis_encoder_deps="libvorbis"
615
616 audio_demuxer_deps_any="audio_oss audio_beos"
617 audio_muxer_deps_any="audio_oss audio_beos"
618 dc1394_demuxer_deps="dc1394"
619 dv1394_demuxer_deps="dv1394"
620 gxf_muxer_deps="gpl"
621 libnut_demuxer_deps="libnut"
622 libnut_muxer_deps="libnut"
623 ogg_muxer_deps="libogg"
624 redir_demuxer_deps="network"
625 rtp_muxer_deps="network"
626 rtsp_demuxer_deps="network"
627 sdp_demuxer_deps="network"
628 v4l2_demuxer_deps="v4l2"
629 video_grab_device_demuxer_deps_any="v4l bktr"
630 x11_grab_device_demuxer_deps="x11grab"
631
632 ffplay_deps="sdl"
633 ffserver_deps="network protocols muxers"
634 network_deps="protocols"
635
636 # set temporary file name
637 if test ! -z "$TMPDIR" ; then
638 TMPDIR1="${TMPDIR}"
639 elif test ! -z "$TEMPDIR" ; then
640 TMPDIR1="${TEMPDIR}"
641 else
642 TMPDIR1="/tmp"
643 fi
644
645 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
646 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
647 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
648 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
649 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
650
651 # default parameters
652
653 logging="yes"
654 logfile="config.err"
655
656 # installation paths
657 PREFIX="/usr/local"
658 libdir='${PREFIX}/lib'
659 shlibdir="$libdir"
660 incdir='${PREFIX}/include/ffmpeg'
661 mandir='${PREFIX}/man'
662 bindir='${PREFIX}/bin'
663
664 # toolchain
665 cross_prefix=""
666 cross_compile="no"
667 cc="gcc"
668 ar="ar"
669 ranlib="ranlib"
670 make="make"
671 strip="strip"
672 asmalign_pot="unknown"
673
674 # machine
675 arch=`uname -m`
676 cpu="generic"
677 powerpc_perf="no"
678 mmx="default"
679 cmov="no"
680 fast_cmov="no"
681 armv5te="default"
682 armv6="default"
683 iwmmxt="default"
684 altivec="default"
685 dcbzl="no"
686 mmi="default"
687 bigendian="no"
688
689 # OS
690 targetos=`uname -s`
691 beos_netserver="no"
692 mingw32="no"
693 os2="no"
694 wince="no"
695
696 # non-library system interfaces
697 audio_beos="default"
698 audio_oss="yes"
699 bktr="yes"
700 dv1394="yes"
701 v4l2="yes"
702 v4l="yes"
703
704 # libraries
705 amr_if2="no"
706 amr_nb="no"
707 amr_nb_fixed="no"
708 amr_wb="no"
709 avisynth="no"
710 dc1394="no"
711 dlfcn_h="no"
712 dlopen="no"
713 liba52="no"
714 liba52bin="no"
715 libdts="no"
716 libfaac="no"
717 libfaad2="no"
718 libfaad="no"
719 libfaadbin="no"
720 libgsm="no"
721 libmp3lame="no"
722 libnut="no"
723 libogg="no"
724 libtheora="no"
725 libvorbis="no"
726 mlib="no"
727 x11grab="no"
728 x264="no"
729 xvid="no"
730 zlib="yes"
731
732 # configurable options
733 debug="yes"
734 dostrip="yes"
735 extra_warnings="no"
736 ffmpeg="yes"
737 ffplay="yes"
738 ffserver="yes"
739 gpl="no"
740 gprof="no"
741 ipv6="yes"
742 shared="no"
743 static="yes"
744 memalign_hack="no"
745 mpegaudio_hp="yes"
746 network="yes"
747 optimize="yes"
748 pp="no"
749 protocols="yes"
750 swscaler="no"
751 vhook="default"
752
753 # threading
754 beosthreads="no"
755 os2threads="no"
756 pthreads="no"
757 w32threads="no"
758 thread_type="no"
759
760 # build settings
761 SHFLAGS='-shared -Wl,-soname,$@'
762 VHOOKSHFLAGS='$(SHFLAGS)'
763 LIBOBJFLAGS=""
764 FFLDFLAGS=-Wl,--warn-common
765 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
766 FFSERVERLDFLAGS=-Wl,-E
767 LDCONFIG="ldconfig"
768 LIBPREF="lib"
769 LIBSUF=".a"
770 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
771 SLIBPREF="lib"
772 SLIBSUF=".so"
773 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
774 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
775 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
776 EXESUF=""
777 BUILDSUF=""
778 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
779
780 # find source path
781 source_path="`dirname \"$0\"`"
782 source_path_used="yes"
783 if test -z "$source_path" -o "$source_path" = "." ; then
784 source_path="`pwd`"
785 source_path_used="no"
786 else
787 source_path="`cd \"$source_path\"; pwd`"
788 echo "$source_path" | grep -q '[[:blank:]]' &&
789 die "Out of tree builds are impossible with whitespace in source path."
790 fi
791
792 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
793 show_help
794 fi
795
796 FFMPEG_CONFIGURATION="$@"
797
798 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
799 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
800 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
801 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
802 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
803
804 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
805
806 die_unknown(){
807 echo "Unknown option \"$1\"."
808 echo "See $0 --help for available options."
809 exit 1
810 }
811
812 for opt do
813 optval="${opt#*=}"
814 case "$opt" in
815 --log)
816 ;;
817 --log=*) logging="$optval"
818 ;;
819 --prefix=*) PREFIX="$optval"
820 ;;
821 --libdir=*) libdir="$optval"
822 ;;
823 --shlibdir=*) shlibdir="$optval"
824 ;;
825 --incdir=*) incdir="$optval"
826 ;;
827 --mandir=*) mandir="$optval"
828 ;;
829 --source-path=*) source_path="$optval"
830 ;;
831 --cross-prefix=*) cross_prefix="$optval"
832 ;;
833 --cross-compile) cross_compile="yes"
834 ;;
835 --target-os=*) targetos="$optval"
836 ;;
837 --cc=*) cc="$optval"
838 ;;
839 --make=*) make="$optval"
840 ;;
841 --extra-cflags=*) add_cflags "$optval"
842 ;;
843 --extra-ldflags=*) add_ldflags "$optval"
844 ;;
845 --extra-libs=*) add_extralibs "$optval"
846 ;;
847 --build-suffix=*) BUILDSUF="$optval"
848 ;;
849 --arch=*) arch="$optval"
850 ;;
851 --cpu=*) cpu="$optval"
852 ;;
853 --enable-mingwce) wince="yes"
854 ;;
855 --disable-opts) optimize="no"
856 ;;
857 --enable-small) optimize="small"
858 ;;
859 --enable-sunmlib) mlib="yes"
860 ;;
861 --disable-strip) dostrip="no"
862 ;;
863 --disable-encoders) disable $ENCODER_LIST
864 ;;
865 --disable-decoders) disable $DECODER_LIST
866 ;;
867 --disable-muxers) disable $MUXER_LIST
868 ;;
869 --disable-demuxers) disable $DEMUXER_LIST
870 ;;
871 --disable-parsers) disable $PARSER_LIST
872 ;;
873 --enable-*=*|--disable-*=*)
874 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
875 case "$thing" in
876 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
877 *) die_unknown "$opt" ;;
878 esac
879 ;;
880 --enable-?*|--disable-?*)
881 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
882 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
883 $action $option
884 ;;
885 --help) show_help
886 ;;
887 *)
888 die_unknown $opt
889 ;;
890 esac
891 done
892
893 case "$arch" in
894 i386|i486|i586|i686|i86pc|BePC)
895 arch="x86_32"
896 ;;
897 x86_64|amd64)
898 arch="x86_32"
899 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
900 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
901 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
902 arch="x86_64"
903 fi
904 fi
905 ;;
906 # armv4l is a subset of armv[567]*l
907 arm|armv[4567]*l)
908 arch="armv4l"
909 ;;
910 alpha)
911 arch="alpha"
912 ;;
913 "Power Macintosh"|ppc|ppc64|powerpc)
914 arch="powerpc"
915 ;;
916 mips|mipsel|IP*)
917 arch="mips"
918 ;;
919 sun4u|sparc64)
920 arch="sparc64"
921 ;;
922 sparc)
923 arch="sparc"
924 ;;
925 sh4)
926 arch="sh4"
927 ;;
928 parisc|parisc64)
929 arch="parisc"
930 ;;
931 s390|s390x)
932 arch="s390"
933 ;;
934 m68k)
935 arch="m68k"
936 ;;
937 ia64)
938 arch="ia64"
939 ;;
940 bfin)
941 arch="bfin"
942 ;;
943 *)
944 arch="unknown"
945 ;;
946 esac
947
948 # OS specific
949 osextralibs="-lm"
950 case `tolower $targetos` in
951 beos|haiku|zeta)
952 PREFIX="$HOME/config"
953 # helps building libavcodec
954 add_cflags "-DPIC -fomit-frame-pointer"
955 # 3 gcc releases known for BeOS, each with ugly bugs
956 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
957 case "$gcc_version" in
958 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
959 mmx="no"
960 ;;
961 *20010315*) echo "BeBits gcc"
962 add_cflags "-fno-expensive-optimizations"
963 ;;
964 esac
965 LDCONFIG="echo ignoring ldconfig"
966 SHFLAGS=-nostart
967 # disable Linux things
968 dv1394="no"
969 # enable BeOS things
970 disabled audio_beos || enable_audio_beos
971 # no need for libm, but the inet stuff
972 # Check for BONE
973 # XXX: actually should check for NOT net_server
974 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
975 osextralibs="-lbind -lsocket"
976 else
977 beos_netserver="yes"
978 osextralibs="-lnet"
979 fi ;;
980 sunos)
981 dv1394="no"
982 FFLDFLAGS=""
983 FFSERVERLDFLAGS=""
984 SHFLAGS="-shared -Wl,-h,\$@"
985 add_extralibs "-lsocket -lnsl"
986 ;;
987 netbsd)
988 dv1394="no"
989 add_extralibs "-lossaudio"
990 ;;
991 openbsd)
992 dv1394="no"
993 need_memalign="no"
994 LIBOBJFLAGS="\$(PIC)"
995 LDCONFIG="ldconfig -m \$(shlibdir)"
996 SHFLAGS='-shared'
997 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
998 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
999 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1000 add_extralibs "-lossaudio"
1001 ;;
1002 freebsd)
1003 dv1394="no"
1004 need_memalign="no"
1005 add_cflags "-pthread"
1006 ;;
1007 gnu/kfreebsd)
1008 dv1394="no"
1009 add_cflags "-pthread"
1010 ;;
1011 bsd/os)
1012 dv1394="no"
1013 osextralibs="-lpoll -lgnugetopt -lm"
1014 strip="strip -d"
1015 ;;
1016 darwin)
1017 cc="cc"
1018 dv1394="no"
1019 need_memalign="no"
1020 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1021 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1022 osextralibs=""
1023 strip="strip -x"
1024 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1025 SLIBSUF=".dylib"
1026 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1027 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1028 FFSERVERLDFLAGS=-Wl,-bind_at_load
1029 ;;
1030 mingw32*)
1031 mingw32="yes"
1032 if enabled_all shared static; then
1033 cat <<EOF
1034 You can only build one library type at once on MinGW.
1035 Specify --disable-static --enable-shared to only build
1036 the shared libraries. To build only the static libraries
1037 you do not need to pass additional options.
1038 EOF
1039 exit 1
1040 fi
1041 dv1394="no"
1042 ffserver="no"
1043 network="no"
1044 if enabled wince; then
1045 protocols="no"
1046 fi
1047 SLIBPREF=""
1048 SLIBSUF=".dll"
1049 EXESUF=".exe"
1050 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1051 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1052 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1053 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1054 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1055 ;;
1056 cygwin*)
1057 targetos=CYGWIN
1058 shlibdir="$bindir"
1059 dv1394="no"
1060 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1061 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1062 osextralibs=""
1063 EXESUF=".exe"
1064 SLIBPREF="cyg"
1065 SLIBSUF=".dll"
1066 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1067 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1068 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1069 ;;
1070 linux)
1071 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1072 ;;
1073 irix*)
1074 targetos=IRIX
1075 ranlib="echo ignoring ranlib"
1076 ;;
1077 os/2)
1078 TMPE=$TMPE".exe"
1079 ar="emxomfar -p128"
1080 ranlib="echo ignoring ranlib"
1081 strip="echo ignoring strip"
1082 add_cflags "-Zomf"
1083 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1084 SHFLAGS="-Zdll -Zomf"
1085 FFSERVERLDFLAGS=""
1086 LIBPREF=""
1087 LIBSUF=".lib"
1088 SLIBPREF=""
1089 SLIBSUF=".dll"
1090 EXESUF=".exe"
1091 osextralibs=""
1092 pkg_requires=""
1093 dv1394="no"
1094 ffserver="no"
1095 vhook="no"
1096 os2="yes"
1097 ;;
1098 *)
1099 targetos="${targetos}-UNKNOWN"
1100 ;;
1101 esac
1102
1103 add_extralibs $osextralibs
1104
1105 if ! disabled logging ; then
1106 enabled logging || logfile="$logging"
1107 echo "# $0 $@" >$logfile
1108 set >>$logfile
1109 else
1110 logfile=/dev/null
1111 fi
1112
1113 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1114 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1115
1116 test -n "$cross_prefix" && cross_compile=yes
1117 cc="${cross_prefix}${cc}"
1118 ar="${cross_prefix}${ar}"
1119 ranlib="${cross_prefix}${ranlib}"
1120 strip="${cross_prefix}${strip}"
1121
1122 # we need to build at least one lib type
1123 if disabled_all static shared; then
1124 cat <<EOF
1125 At least one library type must be built.
1126 Specify --enable-static to build the static libraries or --enable-shared to
1127 build the shared libraries as well. To only build the shared libraries specify
1128 --disable-static in addition to --enable-shared.
1129 EOF
1130 exit 1;
1131 fi
1132
1133 if disabled libogg; then
1134 enabled libtheora && die "libogg must be enabled to enable libtheora."
1135 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1136 fi
1137
1138 if enabled_any libfaad libfaadbin ; then
1139 if check_header faad.h; then
1140 check_cc << EOF
1141 #include <faad.h>
1142 #ifndef FAAD2_VERSION
1143 ok faad1
1144 #endif
1145 int main( void ) { return 0; }
1146 EOF
1147 test $? = 0 && enable libfaad2
1148 else
1149 die "FAAD test failed."
1150 fi
1151 fi
1152
1153
1154 if disabled gpl ; then
1155 die_gpl_disabled(){
1156 name=$1
1157 shift
1158 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1159 }
1160 die_gpl_disabled "The Postprocessing code" pp
1161 die_gpl_disabled "liba52" liba52
1162 die_gpl_disabled "libxvidcore" xvid
1163 die_gpl_disabled "x264" x264
1164 die_gpl_disabled "libdts" libdts
1165 die_gpl_disabled "FAAD2" libfaad2
1166 die_gpl_disabled "The X11 grabber" x11grab
1167 die_gpl_disabled "The software scaler" swscaler
1168 fi
1169
1170 # compute MMX state
1171 if test $mmx = "default"; then
1172 if test $arch = "x86_32" -o $arch = "x86_64"; then
1173 mmx="yes"
1174 else
1175 mmx="no"
1176 fi
1177 fi
1178
1179 test -z "$need_memalign" && need_memalign="$mmx"
1180
1181 #Darwin CC versions
1182 needmdynamicnopic="no"
1183 if test $targetos = Darwin; then
1184 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1185 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1186 else
1187 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1188 case "$gcc_version" in
1189 *2.95*)
1190 add_cflags "-no-cpp-precomp -pipe"
1191 ;;
1192 *[34].*)
1193 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1194 if disabled shared; then
1195 needmdynamicnopic="yes"
1196 fi
1197 ;;
1198 *)
1199 add_cflags "-no-cpp-precomp -pipe"
1200 if disabled shared; then
1201 needmdynamicnopic="yes"
1202 fi
1203 ;;
1204 esac
1205 fi
1206 fi
1207
1208 disabled optimize || add_cflags -fomit-frame-pointer
1209
1210 # Can only do AltiVec on PowerPC
1211 if test $altivec = "default"; then
1212 if test $arch = "powerpc"; then
1213 altivec="yes"
1214 else
1215 altivec="no"
1216 fi
1217 fi
1218
1219 # Add processor-specific flags
1220 POWERPCMODE="32bits"
1221 if test $cpu != "generic"; then
1222 warn_altivec(){
1223 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1224 }
1225 case $cpu in
1226 601|ppc601|PowerPC601)
1227 add_cflags "-mcpu=601"
1228 warn_altivec enabled PPC601
1229 ;;
1230 603*|ppc603*|PowerPC603*)
1231 add_cflags "-mcpu=603"
1232 warn_altivec enabled PPC603
1233 ;;
1234 604*|ppc604*|PowerPC604*)
1235 add_cflags "-mcpu=604"
1236 warn_altivec enabled PPC604
1237 ;;
1238 G3|g3|75*|ppc75*|PowerPC75*)
1239 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1240 warn_altivec enabled PPC75x
1241 ;;
1242 G4|g4|745*|ppc745*|PowerPC745*)
1243 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1244 warn_altivec disabled PPC745x
1245 ;;
1246 74*|ppc74*|PowerPC74*)
1247 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1248 warn_altivec disabled PPC74xx
1249 ;;
1250 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1251 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1252 warn_altivec disabled PPC970
1253 POWERPCMODE="64bits"
1254 ;;
1255 # targets that do NOT support conditional mov (cmov)
1256 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1257 add_cflags "-march=$cpu"
1258 cmov="no"
1259 ;;
1260 # targets that do support conditional mov (cmov)
1261 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1262 add_cflags "-march=$cpu"
1263 cmov="yes"
1264 fast_cmov="yes"
1265 ;;
1266 # targets that do support conditional mov but on which it's slow
1267 pentium4|prescott|nocona)
1268 add_cflags "-march=$cpu"
1269 cmov="yes"
1270 fast_cmov="no"
1271 ;;
1272 sparc64)
1273 add_cflags "-mcpu=v9"
1274 ;;
1275 *)
1276 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1277 ;;
1278 esac
1279 fi
1280
1281 gnu_make(){
1282 $1 --version 2>&1 | grep -q GNU
1283 }
1284
1285 if ! gnu_make $make; then
1286 gnu_make gmake && make=gmake || die "GNU make not found."
1287 fi
1288
1289 # make sure we can execute files in $TMPDIR
1290 cat >$TMPE 2>>$logfile <<EOF
1291 #! /bin/sh
1292 EOF
1293 chmod +x $TMPE >>$logfile 2>&1
1294 if ! $TMPE >>$logfile 2>&1; then
1295 cat <<EOF
1296 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1297 variable to another directory and make sure that $TMPDIR1 is not mounted
1298 noexec.
1299 EOF
1300 die "Sanity test failed."
1301 fi
1302 rm $TMPE
1303
1304 # compiler sanity check
1305 check_exec <<EOF
1306 int main(){
1307 return 0;
1308 }
1309 EOF
1310 if test "$?" != 0; then
1311 echo "$cc is unable to create an executable file."
1312 if test -z "$cross_prefix" && disabled cross_compile ; then
1313 echo "If $cc is a cross-compiler, use the --cross-compile option."
1314 echo "Only do this if you know what cross compiling means."
1315 fi
1316 die "C compiler test failed."
1317 fi
1318
1319 # check for assembler specific support
1320
1321 if test $arch = "powerpc"; then
1322 check_cc <<EOF && dcbzl=yes
1323 int main(void) {
1324 register long zero = 0;
1325 char data[1024];
1326 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1327 return 0;
1328 }
1329 EOF
1330 fi
1331
1332 # check for SIMD availability
1333
1334 # AltiVec flags: The FSF version of GCC differs from the Apple version
1335 if test $arch = "powerpc"; then
1336 if enabled altivec; then
1337 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1338 add_cflags "-faltivec"
1339 else
1340 add_cflags "-maltivec -mabi=altivec"
1341 fi
1342 fi
1343 fi
1344
1345 check_header altivec.h
1346
1347 # check if our compiler supports Motorola AltiVec C API
1348 if enabled altivec; then
1349 if enabled altivec_h; then
1350 inc_altivec_h="#include <altivec.h>"
1351 else
1352 inc_altivec_h=
1353 fi
1354 check_cc <<EOF || altivec=no
1355 $inc_altivec_h
1356 int main(void) {
1357 vector signed int v1, v2, v3;
1358 v1 = vec_add(v2,v3);
1359 return 0;
1360 }
1361 EOF
1362 fi
1363
1364 # check armv5te instructions support
1365 if test $armv5te = "default" -a $arch = "armv4l"; then
1366 armv5te=no
1367 check_cc <<EOF && armv5te=yes
1368 int main(void) {
1369 __asm__ __volatile__ ("qadd r0, r0, r0");
1370 }
1371 EOF
1372 fi
1373
1374 if test $armv6 = "default" -a $arch = "armv4l"; then
1375 check_cc <<EOF && armv6=yes || armv6=no
1376 int main(void) {
1377 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1378 }
1379 EOF
1380 fi
1381
1382 # check iwmmxt support
1383 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1384 iwmmxt=no
1385 check_cc <<EOF && iwmmxt=yes
1386 int main(void) {
1387 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1388 }
1389 EOF
1390 fi
1391
1392 # mmi only available on mips
1393 if test $mmi = "default"; then
1394 if test $arch = "mips"; then
1395 mmi="yes"
1396 else
1397 mmi="no"
1398 fi
1399 fi
1400
1401 # check if our compiler supports mmi
1402 enabled mmi && check_cc <<EOF || mmi="no"
1403 int main(void) {
1404 __asm__ ("lq \$2, 0(\$2)");
1405 return 0;
1406 }
1407 EOF
1408
1409 # ---
1410 # big/little-endian test
1411 if disabled cross_compile; then
1412 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1413 #include <inttypes.h>
1414 int main(int argc, char ** argv){
1415 volatile uint32_t i=0x01234567;
1416 return (*((uint8_t*)(&i))) == 0x67;
1417 }
1418 EOF
1419 else
1420 # programs cannot be launched if cross compiling, so make a static guess
1421 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1422 bigendian="yes"
1423 fi
1424 fi
1425
1426 # ---
1427 # check availability of some header files
1428
1429 check_header malloc.h
1430 check_func memalign
1431
1432 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1433 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1434 fi
1435
1436 check_header byteswap.h
1437
1438 check_func inet_aton
1439 check_func localtime_r
1440 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1441
1442 # ffserver uses poll(),
1443 # if it's not found we can emulate it using select().
1444 if enabled ffserver; then
1445 check_header sys/poll.h
1446 fi
1447
1448 # check for some common methods of building with pthread support
1449 # do this before the optional library checks as some of them require pthreads
1450 if enabled pthreads; then
1451 if check_func pthread_create; then
1452 :
1453 elif check_func pthread_create -pthread; then
1454 add_cflags -pthread
1455 add_ldflags -pthread
1456 elif check_func pthread_create -pthreads; then
1457 add_cflags -pthreads
1458 add_ldflags -pthreads
1459 elif ! check_lib pthread.h pthread_create -lpthread; then
1460 die "ERROR: can't find pthreads library"
1461 fi
1462 fi
1463
1464 for thread in pthreads beosthreads os2threads w32threads; do
1465 if enabled $thread; then
1466 if ! disabled thread_type ; then
1467 die "ERROR: Only one thread type must be selected."
1468 else
1469 thread_type="$thread"
1470 fi
1471 fi
1472 done
1473
1474 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1475 enabled_all amr_nb amr_nb_fixed &&
1476 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1477
1478 # these are off by default, so fail if requested and not available
1479 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1480 enabled libdts && require libdts dts.h dts_init -ldts -lm
1481 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1482 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1483 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1484 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1485 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1486 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1487 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1488 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1489 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1490 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1491
1492 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1493 # the generic test functions
1494 if enabled libfaac; then
1495 save_flags
1496 temp_extralibs -lfaac
1497 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1498 #include <stdint.h>
1499 #include <faac.h>
1500 int main(){
1501 char *id, *cpr;
1502 faacEncGetVersion(&id, &cpr);
1503 return 0;
1504 }
1505 EOF
1506 restore_flags
1507 fi
1508
1509 # Ugh, recent faad2 versions have renamed all functions and #define the
1510 # old names in faad.h. Generic tests won't work.
1511 if enabled libfaad; then
1512 save_flags
1513 temp_extralibs -lfaad
1514 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1515 #include <faad.h>
1516 int main(){
1517 faacDecOpen();
1518 return 0;
1519 }
1520 EOF
1521 restore_flags
1522 fi
1523
1524 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1525 if enabled avisynth; then
1526 save_flags
1527 temp_extralibs -lvfw32
1528 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1529 #include <windows.h>
1530 #include <vfw.h>
1531 int main(){
1532 AVIFileInit();
1533 return 0;
1534 }
1535 EOF
1536 restore_flags
1537 fi
1538
1539
1540 # test for lrintf in math.h
1541 check_exec <<EOF && lrintf=yes || lrintf=no
1542 #define _ISOC9X_SOURCE 1
1543 #include <math.h>
1544 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1545 EOF
1546
1547 _restrict=
1548 for restrict_keyword in restrict __restrict__ __restrict; do
1549 check_cc <<EOF && _restrict=$restrict_keyword && break
1550 void foo(char * $restrict_keyword p);
1551 EOF
1552 done
1553
1554 # dlopen/dlfcn.h probing
1555
1556 check_header dlfcn.h
1557
1558 if check_func dlopen; then
1559 ldl=
1560 elif check_func dlopen -ldl; then
1561 ldl=-ldl
1562 fi
1563
1564 test "$vhook" = "default" && vhook="$dlopen"
1565
1566 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1567
1568 if test "$targetos" = "CYGWIN" && enabled static ; then
1569 vhook="no"
1570 echo
1571 echo "At the moment vhooks don't work on Cygwin static builds."
1572 echo "Patches welcome."
1573 echo
1574 fi
1575
1576 if enabled vhook; then
1577 check_ldflags -rdynamic
1578 check_ldflags -export-dynamic
1579 fi
1580
1581 enabled audio_beos && add_extralibs "-lmedia -lbe"
1582
1583 enabled mingw32 && add_extralibs -lws2_32
1584
1585 ##########################################
1586 # imlib check
1587
1588 imlib2=no
1589 if imlib2-config --version >/dev/null 2>&1; then
1590 temp_cflags `imlib2-config --cflags`
1591 temp_extralibs `imlib2-config --libs`
1592 check_lib Imlib2.h imlib_load_font && enable imlib2
1593 restore_flags
1594 fi
1595
1596 ##########################################
1597 # FreeType check
1598
1599 freetype2=no
1600 if freetype-config --version >/dev/null 2>&1; then
1601 temp_cflags `freetype-config --cflags`
1602 temp_extralibs `freetype-config --libs`
1603 check_lib ft2build.h FT_Init_FreeType && enable freetype2
1604 restore_flags
1605 fi
1606
1607 ##########################################
1608 # SDL check
1609
1610 sdl_too_old=no
1611 sdl=no
1612 SDL_CONFIG="${cross_prefix}sdl-config"
1613 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1614 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1615 temp_cflags $sdl_cflags
1616 temp_extralibs `"${SDL_CONFIG}" --libs`
1617 if check_lib SDL.h SDL_Init; then
1618 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1619 if test "$_sdlversion" -lt 121 ; then
1620 sdl_too_old=yes
1621 else
1622 sdl=yes
1623 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1624 #include <SDL.h>
1625 int main(void){
1626 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1627 int w = vi->current_w;
1628 return 0;
1629 }
1630 EOF
1631 fi
1632 fi
1633 restore_flags
1634 fi
1635
1636 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1637
1638 ##########################################
1639 # IPv6 check
1640
1641 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1642 #include <sys/types.h>
1643 #include <sys/socket.h>
1644 #include <netinet/in.h>
1645 #include <netdb.h>
1646 int main( void ) {
1647 struct sockaddr_storage saddr;
1648 struct ipv6_mreq mreq6;
1649 getaddrinfo(0,0,0,0);
1650 getnameinfo(0,0,0,0,0,0,0);
1651 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1652 }
1653 EOF
1654
1655 enabled v4l && check_header linux/videodev.h || disable v4l
1656 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1657
1658 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1659 if enabled bktr; then
1660 { check_header dev/bktr/ioctl_meteor.h &&
1661 check_header dev/bktr/ioctl_bt848.h; } ||
1662 { check_header machine/ioctl_meteor.h &&
1663 check_header machine/ioctl_bt848.h; } ||
1664 { check_header dev/video/meteor/ioctl_meteor.h &&
1665 check_header dev/video/bktr/ioctl_bt848.h; } ||
1666 check_header dev/ic/bt8xx.h ||
1667 disable bktr
1668 fi
1669
1670 enabled audio_oss &&
1671 check_header sys/soundcard.h ||
1672 check_header soundcard.h ||
1673 disable audio_oss
1674
1675 # Deal with the x11 frame grabber
1676 enabled x11grab &&
1677 enabled gpl &&
1678 enabled x11_grab_device_demuxer &&
1679 check_header X11/Xlib.h &&
1680 check_header X11/extensions/XShm.h &&
1681 check_func XOpenDisplay -lX11 &&
1682 check_func XShmCreateImage -lX11 -lXext &&
1683 add_extralibs -lX11 -lXext ||
1684 disable x11_grab_device_demuxer
1685
1686 enabled debug && add_cflags -g
1687
1688 # add some useful compiler flags if supported
1689 check_cflags -Wdeclaration-after-statement
1690 check_cflags -Wall
1691 check_cflags -Wno-switch
1692 check_cflags -Wdisabled-optimization
1693 check_cflags -Wpointer-arith
1694 check_cflags -Wredundant-decls
1695 check_cflags -Wno-pointer-sign
1696 enabled extra_warnings && check_cflags -Winline
1697
1698 # add some linker flags
1699 check_ldflags $LDLATEFLAGS
1700
1701 # not all compilers support -Os
1702 test "$optimize" = "small" && check_cflags -Os
1703
1704 if enabled optimize; then
1705 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1706 add_cflags "-O5"
1707 add_ldflags "-O5"
1708 else
1709 add_cflags "-O3"
1710 fi
1711 fi
1712
1713 # PIC flags for shared library objects where they are needed
1714 if enabled shared; then
1715 # LIBOBJFLAGS may have already been set in the OS configuration
1716 if test -z "$LIBOBJFLAGS" ; then
1717 case "$arch" in
1718 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1719 esac
1720 fi
1721 fi
1722
1723 if enabled gprof; then
1724 add_cflags "-p"
1725 add_ldflags "-p"
1726 fi
1727
1728 VHOOKCFLAGS="-fPIC $CFLAGS"
1729 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1730
1731 # find if .align arg is power-of-two or not
1732 if test $asmalign_pot = "unknown"; then
1733 asmalign_pot="no"
1734 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1735 fi
1736
1737 enabled_any $ENCODER_LIST && enable encoders
1738 enabled_any $DECODER_LIST && enable decoders
1739 enabled_any $MUXER_LIST && enable muxers
1740 enabled_any $DEMUXER_LIST && enable demuxers
1741
1742 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1743
1744 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1745 $DEMUXER_LIST $MUXER_LIST
1746
1747 enabled libogg && append pkg_requires "ogg >= 1.1"
1748 enabled libtheora && append pkg_requires "theora"
1749 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1750 enabled dc1394 && append pkg_requires "libraw1394"
1751
1752 echo "install prefix $PREFIX"
1753 echo "source path $source_path"
1754 echo "C compiler $cc"
1755 echo "make $make"
1756 echo ".align is power-of-two $asmalign_pot"
1757 echo "ARCH $arch ($cpu)"
1758 if test "$BUILDSUF" != ""; then
1759 echo "build suffix $BUILDSUF"
1760 fi
1761 echo "big-endian $bigendian"
1762 if test $arch = "x86_32" -o $arch = "x86_64"; then
1763 echo "MMX enabled $mmx"
1764 echo "CMOV enabled $cmov"
1765 echo "CMOV is fast $fast_cmov"
1766 fi
1767 if test $arch = "armv4l"; then
1768 echo "ARMv5TE enabled $armv5te"
1769 echo "ARMv6 enabled $armv6"
1770 echo "IWMMXT enabled $iwmmxt"
1771 fi
1772 if test $arch = "mips"; then
1773 echo "MMI enabled $mmi"
1774 fi
1775 if test $arch = "powerpc"; then
1776 echo "AltiVec enabled $altivec"
1777 echo "dcbzl available $dcbzl"
1778 fi
1779 echo "gprof enabled $gprof"
1780 echo "debug symbols $debug"
1781 echo "strip symbols $dostrip"
1782 echo "optimize $optimize"
1783 echo "static $static"
1784 echo "shared $shared"
1785 echo "postprocessing support $pp"
1786 echo "software scaler enabled $swscaler"
1787 echo "video hooking $vhook"
1788 if enabled vhook; then
1789 echo "Imlib2 support $imlib2"
1790 echo "FreeType support $freetype2"
1791 fi
1792 echo "network support $network"
1793 if enabled network; then
1794 echo "IPv6 support $ipv6"
1795 fi
1796 echo "threading support $thread_type"
1797 echo "SDL support $sdl"
1798 if enabled sdl_too_old; then
1799 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1800 fi
1801 echo "Sun medialib support $mlib"
1802 echo "AVISynth enabled $avisynth"
1803 echo "liba52 support $liba52"
1804 echo "liba52 dlopened $liba52bin"
1805 echo "libdts support $libdts"
1806 echo "libfaac enabled $libfaac"
1807 echo "libfaad enabled $libfaad"
1808 echo "faadbin enabled $libfaadbin"
1809 echo "libgsm enabled $libgsm"
1810 echo "libmp3lame enabled $libmp3lame"
1811 echo "libnut enabled $libnut"
1812 echo "libogg enabled $libogg"
1813 echo "libtheora enabled $libtheora"
1814 echo "libvorbis enabled $libvorbis"
1815 echo "x264 enabled $x264"
1816 echo "XviD enabled $xvid"
1817 echo "zlib enabled $zlib"
1818 echo "AMR-NB float support $amr_nb"
1819 echo "AMR-NB fixed support $amr_nb_fixed"
1820 echo "AMR-WB float support $amr_wb"
1821 echo "AMR-WB IF2 support $amr_if2"
1822 if disabled gpl; then
1823 echo "License: LGPL"
1824 else
1825 echo "License: GPL"
1826 fi
1827
1828 echo "Creating config.mak and config.h..."
1829
1830 echo "# Automatically generated by configure - do not modify!" > config.mak
1831 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1832 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1833
1834 echo "PREFIX=$PREFIX" >> config.mak
1835 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1836 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1837 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1838 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1839 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1840 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1841 echo "MAKE=$make" >> config.mak
1842 echo "CC=$cc" >> config.mak
1843 echo "AR=$ar" >> config.mak
1844 echo "RANLIB=$ranlib" >> config.mak
1845 if enabled dostrip; then
1846 echo "STRIP=$strip" >> config.mak
1847 else
1848 echo "STRIP=echo ignoring strip" >> config.mak
1849 fi
1850
1851 echo "OPTFLAGS=$CFLAGS" >> config.mak
1852 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1853 echo "LDFLAGS=$LDFLAGS" >> config.mak
1854 echo "LDCONFIG=$LDCONFIG" >> config.mak
1855 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1856 echo "SHFLAGS=$SHFLAGS" >> config.mak
1857 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1858 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1859 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1860 echo "BUILD_STATIC=$static" >> config.mak
1861 echo "BUILDSUF=$BUILDSUF" >> config.mak
1862 echo "LIBPREF=$LIBPREF" >> config.mak
1863 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1864 if enabled static; then
1865 echo "LIB=$LIB" >> config.mak
1866 else # Some Make complain if this variable does not exist.
1867 echo "LIB=" >> config.mak
1868 fi
1869 echo "SLIBPREF=$SLIBPREF" >> config.mak
1870 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1871 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1872 echo "TARGET_OS=$targetos" >> config.mak
1873
1874 ucarch=`toupper $arch`
1875 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1876 echo "#define ARCH_${ucarch} 1" >> $TMPH
1877
1878 # special cases
1879 case "$arch" in
1880 x86_32|x86_64)
1881 echo "TARGET_ARCH_X86=yes" >> config.mak
1882 echo "#define ARCH_X86 1" >> $TMPH
1883 ;;
1884 powerpc)
1885 if test "$POWERPCMODE" = "64bits"; then
1886 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1887 fi
1888 ;;
1889 sparc64)
1890 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1891 echo "#define ARCH_SPARC 1" >> $TMPH
1892 ;;
1893 esac
1894
1895 if enabled bigendian; then
1896 echo "WORDS_BIGENDIAN=yes" >> config.mak
1897 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1898 fi
1899 if enabled mmx; then
1900 echo "#define __CPU__ 586" >> $TMPH
1901 fi
1902
1903 if enabled sdl; then
1904 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1905 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1906 fi
1907 if enabled texi2html; then
1908 echo "BUILD_DOC=yes" >> config.mak
1909 fi
1910
1911 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1912 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1913 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1914 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1915 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1916
1917
1918
1919 if enabled shared; then
1920 echo "BUILD_SHARED=yes" >> config.mak
1921 echo "PIC=-fPIC -DPIC" >> config.mak
1922 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1923 echo "SPPVERSION=$pp_version" >> config.mak
1924 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1925 echo "LAVCVERSION=$lavc_version" >> config.mak
1926 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1927 echo "LAVFVERSION=$lavf_version" >> config.mak
1928 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1929 echo "LAVUVERSION=$lavu_version" >> config.mak
1930 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1931 echo "SWSVERSION=$sws_version" >> config.mak
1932 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1933 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1934 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1935 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1936 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1937 fi
1938 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1939 echo "EXTRALIBS=$extralibs" >> config.mak
1940
1941 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1942 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1943 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1944
1945 if test "$targetos" = "Darwin"; then
1946 echo "#define CONFIG_DARWIN 1" >> $TMPH
1947 fi
1948
1949 echo "#define restrict $_restrict" >> $TMPH
1950
1951 if test "$optimize" = "small"; then
1952 echo "#define always_inline" >> $TMPH
1953 echo "#define CONFIG_SMALL 1" >> $TMPH
1954 fi
1955
1956 echo "SRC_PATH=\"$source_path\"" >> config.mak
1957 echo "SRC_PATH_BARE=$source_path" >> config.mak
1958 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1959
1960 if enabled amr_if2; then
1961 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1962 fi
1963
1964 # Apparently it's not possible to portably echo a backslash.
1965 if enabled asmalign_pot; then
1966 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1967 else
1968 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1969 fi
1970
1971
1972 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1973 ucname="`toupper $codec`"
1974 config_name="CONFIG_$ucname"
1975 enabled_name="ENABLE_$ucname"
1976 if enabled $codec; then
1977 echo "#define $config_name 1" >> $TMPH
1978 echo "#define $enabled_name 1" >> $TMPH
1979 echo "$config_name=yes" >> config.mak
1980 else
1981 echo "#define $enabled_name 0" >> $TMPH
1982 fi
1983 done
1984
1985 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1986 if ! cmp -s $TMPH config.h; then
1987 mv -f $TMPH config.h
1988 else
1989 echo "config.h is unchanged"
1990 fi
1991
1992 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1993
1994 # build tree in object directory if source path is different from current one
1995 if enabled source_path_used; then
1996 DIRS="\
1997 doc \
1998 libavformat \
1999 libavcodec \
2000 libavcodec/alpha \
2001 libavcodec/armv4l \
2002 libavcodec/bfin \
2003 libavcodec/i386 \
2004 libavcodec/sparc \
2005 libavcodec/mlib \
2006 libavcodec/ppc \
2007 libavcodec/amr \
2008 libavcodec/amr_float \
2009 libavcodec/amrwb_float \
2010 libpostproc \
2011 libavutil \
2012 libswscale \
2013 tests \
2014 vhook \
2015 "
2016 FILES="\
2017 Makefile \
2018 common.mak \
2019 libavformat/Makefile \
2020 libavcodec/Makefile \
2021 libpostproc/Makefile \
2022 libavutil/Makefile \
2023 libswscale/Makefile \
2024 tests/Makefile \
2025 vhook/Makefile \
2026 doc/Makefile \
2027 doc/texi2pod.pl \
2028 "
2029 for dir in $DIRS ; do
2030 mkdir -p $dir
2031 done
2032 for f in $FILES ; do
2033 ln -sf "$source_path/$f" $f
2034 done
2035 fi
2036
2037
2038 # build pkg-config files
2039 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2040
2041 pkgconfig_generate(){
2042 name=$1
2043 comment=$2
2044 version=$3
2045 libs=$4
2046 requires=$5
2047 include=$6
2048 cat <<EOF >$name.pc
2049 prefix=$PREFIX
2050 exec_prefix=\${prefix}
2051 libdir=\${exec_prefix}/lib
2052 includedir=\${prefix}/include
2053
2054 Name: $name
2055 Description: $comment
2056 Version: $version
2057 Requires: $requires
2058 Conflicts:
2059 Libs: -L\${libdir} $libs
2060 Cflags: -I\${includedir} -I\${includedir}/$include
2061 EOF
2062 }
2063
2064 pkgconfig_generate_uninstalled(){
2065 name=$1
2066 shortname=${name#lib}
2067 comment=$2
2068 version=$3
2069 libs=$4
2070 requires=$5
2071 cat <<EOF >$name-uninstalled.pc
2072 prefix=
2073 exec_prefix=
2074 libdir=\${pcfiledir}/$name
2075 includedir=\${pcfiledir}/$name
2076
2077 Name: $name
2078 Description: $comment
2079 Version: $version
2080 Requires: $requires
2081 Conflicts:
2082 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2083 Cflags: -I\${includedir}
2084 EOF
2085 }
2086
2087 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2088 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2089
2090 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2091 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2092
2093 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2094 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2095
2096 if enabled pp; then
2097 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2098 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2099 fi
2100
2101 if enabled swscaler; then
2102 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2103 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2104 else
2105 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2106 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2107 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2108 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2109 fi