changes some function declarations from () to (void) as per ansi c.
[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-mingwce enable MinGW native/cross WinCE compile"
66 echo " --enable-static build static libraries [default=yes]"
67 echo " --disable-static do not build static libraries [default=no]"
68 echo " --enable-shared build shared libraries [default=no]"
69 echo " --disable-shared do not build shared libraries [default=yes]"
70 echo " --enable-gpl allow use of GPL code, the resulting libav*"
71 echo " and ffmpeg will be under GPL [default=no]"
72 echo " --enable-pp enable GPLed postprocessing support [default=no]"
73 echo " --enable-swscaler software scaler support [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
80 echo "External library support:"
81 echo " --enable-sunmlib use Sun medialib [default=no]"
82 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
83 echo " and libraw1394 [default=no]"
84 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
85 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
86 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
87 echo " --enable-libdts enable GPLed libdts support [default=no]"
88 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
89 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
90 echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]"
91 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
92 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
93 echo " --enable-libnut enable NUT (de)muxing via libnut,"
94 echo " native demuxer exists [default=no]"
95 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
96 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
97 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
98 echo " native implementations exist [default=no]"
99 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
100 echo " --enable-xvid enable Xvid encoding via xvidcore,"
101 echo " native MPEG-4/Xvid encoder exists [default=no]"
102 echo " --enable-amr-nb enable amr-nb floating point audio codec"
103 echo " --enable-amr-nb-fixed enable amr-nb fixed-point codec"
104 echo " --enable-amr-wb enable amr-wb floating point audio codec"
105 echo " --enable-amr-if2 enable amr-wb IF2 audio codec"
106 echo ""
107 echo "Advanced options (experts only):"
108 echo " --source-path=PATH path to source code [$source_path]"
109 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
110 echo " --cross-compile assume a cross-compiler is used"
111 echo " --target-os=OS compiler targets OS [$targetos]"
112 echo " --cc=CC use C compiler CC [$cc]"
113 echo " --make=MAKE use specified make [$make]"
114 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
115 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
116 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
117 echo " --build-suffix=SUFFIX suffix for application specific build []"
118 echo " --arch=ARCH select architecture [$arch]"
119 echo " --cpu=CPU selects the minimum cpu required (affects"
120 echo " instruction selection, may crash on older CPUs)"
121 echo " --enable-powerpc-perf enable performance report on PPC"
122 echo " (requires enabling PMC)"
123 echo " --disable-mmx disable MMX usage"
124 echo " --disable-armv5te disable armv5te usage"
125 echo " --disable-armv6 disable armv6 usage"
126 echo " --disable-iwmmxt disable iwmmxt usage"
127 echo " --disable-altivec disable AltiVec usage"
128 echo " --disable-audio-oss disable OSS audio support [default=no]"
129 echo " --disable-audio-beos disable BeOS audio support [default=no]"
130 echo " --disable-v4l disable video4linux grabbing [default=no]"
131 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
132 echo " --disable-bktr disable bktr video grabbing [default=no]"
133 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
134 echo " --disable-network disable network support [default=no]"
135 echo " --disable-ipv6 disable ipv6 support [default=no]"
136 echo " --disable-zlib disable zlib [default=no]"
137 echo " --disable-vhook disable video hooking support"
138 echo " --disable-debug disable debugging symbols"
139 echo " --disable-mpegaudio-hp faster (but less accurate)"
140 echo " MPEG audio decoding [default=no]"
141 echo " --disable-protocols disable I/O protocols support [default=no]"
142 echo " --disable-ffmpeg disable ffmpeg build"
143 echo " --disable-ffserver disable ffserver build"
144 echo " --disable-ffplay disable ffplay build"
145 echo " --enable-small optimize for size instead of speed"
146 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
147 echo " --disable-encoder=NAME disables encoder NAME"
148 echo " --enable-encoder=NAME enables encoder NAME"
149 echo " --disable-decoder=NAME disables decoder NAME"
150 echo " --enable-decoder=NAME enables decoder NAME"
151 echo " --disable-encoders disables all encoders"
152 echo " --disable-decoders disables all decoders"
153 echo " --disable-muxer=NAME disables muxer NAME"
154 echo " --enable-muxer=NAME enables muxer NAME"
155 echo " --disable-muxers disables all muxers"
156 echo " --disable-demuxer=NAME disables demuxer NAME"
157 echo " --enable-demuxer=NAME enables demuxer NAME"
158 echo " --disable-demuxers disables all demuxers"
159 echo " --enable-parser=NAME enables parser NAME"
160 echo " --disable-parser=NAME disables parser NAME"
161 echo " --disable-parsers disables all parsers"
162 echo
163 echo "Developer options (useful when working on FFmpeg itself):"
164 echo " --enable-gprof enable profiling with gprof [$gprof]"
165 echo " --disable-opts disable compiler optimizations"
166 echo " --enable-extra-warnings enable more compiler warnings"
167 echo " --disable-strip disable stripping of executables and shared libraries"
168 echo ""
169 echo "NOTE: Object files are built at the place where configure is launched."
170 exit 1
171 }
172
173 log(){
174 echo "$@" >>$logfile
175 }
176
177 log_file(){
178 log BEGIN $1
179 cat -n $1 >>$logfile
180 log END $1
181 }
182
183 echolog(){
184 log "$@"
185 echo "$@"
186 }
187
188 die(){
189 echolog "$@"
190 cat <<EOF
191 If you think configure made a mistake, make sure you are using the latest
192 version from SVN. If the latest version fails, report the problem to the
193 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
194 EOF
195 if enabled logging; then
196 cat <<EOF
197 Include the log file "$logfile" produced by configure as this will help
198 solving the problem.
199 EOF
200 else
201 cat <<EOF
202 Rerun configure with logging enabled (do not use --log=no), and include the
203 log this produces with your report.
204 EOF
205 fi
206 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
207 exit 1
208 }
209
210 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
211 toupper(){
212 echo "$@" | tr '[a-z]' '[A-Z]'
213 }
214
215 tolower(){
216 echo "$@" | tr '[A-Z]' '[a-z]'
217 }
218
219 set_all(){
220 value=$1
221 shift
222 for var in $*; do
223 eval $var=$value
224 done
225 }
226
227 pushvar(){
228 for var in $*; do
229 eval level=\${${var}_level:=0}
230 eval ${var}_${level}="\$$var"
231 eval ${var}_level=$(($level+1))
232 done
233 }
234
235 popvar(){
236 for var in $*; do
237 eval level=\${${var}_level:-0}
238 test $level = 0 && continue
239 eval level=$(($level-1))
240 eval $var="\${${var}_${level}}"
241 eval ${var}_level=$level
242 eval unset ${var}_${level}
243 done
244 }
245
246 enable(){
247 set_all yes $*
248 }
249
250 disable(){
251 set_all no $*
252 }
253
254 enabled(){
255 eval test "x\$$1" = "xyes"
256 }
257
258 disabled(){
259 eval test "x\$$1" = "xno"
260 }
261
262 enabled_all(){
263 for opt; do
264 enabled $opt || return 1
265 done
266 }
267
268 disabled_all(){
269 for opt; do
270 disabled $opt || return 1
271 done
272 }
273
274 enabled_any(){
275 for opt; do
276 enabled $opt && return 0
277 done
278 }
279
280 disabled_any(){
281 for opt; do
282 disabled $opt && return 0
283 done
284 }
285
286 check_deps(){
287 for cfg; do
288 enabled ${cfg}_checking && die "Circular dependency for $cfg."
289 disabled ${cfg}_checking && continue
290 enable ${cfg}_checking
291
292 eval dep_all="\$${cfg}_deps"
293 eval dep_any="\$${cfg}_deps_any"
294
295 pushvar cfg dep_all dep_any
296 check_deps $dep_all $dep_any
297 popvar cfg dep_all dep_any
298
299 enabled_all $dep_all || disable $cfg
300 enabled_any $dep_any || disable $cfg
301
302 disable ${cfg}_checking
303 done
304 }
305
306 print_config(){
307 pfx=$1
308 header=$2
309 makefile=$3
310 shift 3
311 for cfg; do
312 if enabled $cfg; then
313 ucname="${pfx}`toupper $cfg`"
314 echo "#define ${ucname} 1" >> $header
315 echo "${ucname}=yes" >> $makefile
316 fi
317 done
318 }
319
320 flags_saved(){
321 (: ${SAVE_CFLAGS?}) 2>/dev/null
322 }
323
324 save_flags(){
325 flags_saved && return
326 SAVE_CFLAGS="$CFLAGS"
327 SAVE_LDFLAGS="$LDFLAGS"
328 SAVE_extralibs="$extralibs"
329 }
330
331 restore_flags(){
332 flags_saved || return
333 CFLAGS="$SAVE_CFLAGS"
334 LDFLAGS="$SAVE_LDFLAGS"
335 extralibs="$SAVE_extralibs"
336 unset SAVE_CFLAGS
337 unset SAVE_LDFLAGS
338 unset SAVE_extralibs
339 }
340
341 temp_cflags(){
342 save_flags
343 CFLAGS="$CFLAGS $*"
344 }
345
346 temp_ldflags(){
347 save_flags
348 LDFLAGS="$LDFLAGS $*"
349 }
350
351 temp_extralibs(){
352 save_flags
353 extralibs="$extralibs $*"
354 }
355
356 append(){
357 var=$1
358 shift
359 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
360 eval "$var=\"\$$var $*\""
361 }
362
363 add_cflags(){
364 append CFLAGS "$@"
365 }
366
367 add_ldflags(){
368 append LDFLAGS "$@"
369 }
370
371 add_extralibs(){
372 append extralibs "$@"
373 }
374
375 check_cmd(){
376 log "$@"
377 "$@" >>$logfile 2>&1
378 }
379
380 check_cc(){
381 log check_cc "$@"
382 cat >$TMPC
383 log_file $TMPC
384 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
385 }
386
387 check_cpp(){
388 log check_cpp "$@"
389 cat >$TMPC
390 log_file $TMPC
391 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
392 }
393
394 check_ld(){
395 log check_ld "$@"
396 check_cc || return
397 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
398 }
399
400 check_cflags(){
401 log check_cflags "$@"
402 check_cc "$@" <<EOF && add_cflags "$@"
403 int x;
404 EOF
405 }
406
407 check_ldflags(){
408 log check_ldflags "$@"
409 check_ld "$@" <<EOF && add_ldflags "$@"
410 int main(){
411 return 0;
412 }
413 EOF
414 }
415
416 check_header(){
417 log check_header "$@"
418 header=$1
419 shift
420 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
421 disable $var
422 check_cpp "$@" <<EOF && enable $var
423 #include <$header>
424 int x;
425 EOF
426 }
427
428 check_func(){
429 log check_func "$@"
430 func=$1
431 shift
432 disable $func
433 check_ld "$@" <<EOF && enable $func
434 extern int $func();
435 int main(){
436 $func();
437 }
438 EOF
439 }
440
441 check_func2(){
442 log check_func2 "$@"
443 headers=$1
444 func=$2
445 shift 2
446 disable $func
447 incs=""
448 for hdr in $headers; do
449 incs="$incs
450 #include <$hdr>"
451 done
452 check_ld "$@" <<EOF && enable $func
453 $incs
454 int main(){
455 (void) $func;
456 return 0;
457 }
458 EOF
459 }
460
461 check_lib(){
462 log check_lib "$@"
463 header="$1"
464 func="$2"
465 shift 2
466 temp_extralibs "$@"
467 check_header $header && check_func $func && add_extralibs "$@"
468 err=$?
469 restore_flags
470 return $err
471 }
472
473 check_lib2(){
474 log check_lib2 "$@"
475 headers="$1"
476 func="$2"
477 shift 2
478 temp_extralibs "$@"
479 check_func2 "$headers" $func && add_extralibs "$@"
480 err=$?
481 restore_flags
482 return $err
483 }
484
485 check_exec(){
486 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
487 }
488
489 require(){
490 name="$1"
491 header="$2"
492 func="$3"
493 shift 3
494 check_lib $header $func "$@" || die "ERROR: $name not found"
495 }
496
497 require2(){
498 name="$1"
499 headers="$2"
500 func="$3"
501 shift 3
502 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
503 }
504
505 check_foo_config(){
506 cfg=$1
507 pkg=$2
508 header=$3
509 func=$4
510 shift 4
511 disable $cfg
512 check_cmd ${pkg}-config --version
513 err=$?
514 if test "$err" = 0; then
515 temp_cflags `${pkg}-config --cflags`
516 temp_extralibs `${pkg}-config --libs`
517 check_lib "$@" $header $func && enable $cfg
518 fi
519 return $err
520 }
521
522 apply(){
523 file=$1
524 shift
525 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
526 }
527
528 CONFIG_LIST='
529 encoders
530 decoders
531 parsers
532 muxers
533 demuxers
534 amr
535 amr_nb
536 amr_nb_fixed
537 amr_wb
538 audio_beos
539 audio_oss
540 avisynth
541 beos_netserver
542 bktr
543 dc1394
544 dv1394
545 ebp_available
546 ebx_available
547 ffmpeg
548 ffplay
549 ffserver
550 gpl
551 gprof
552 ipv6
553 liba52
554 liba52bin
555 libdts
556 libfaac
557 libfaad
558 libfaadbin
559 libgsm
560 libmp3lame
561 libnut
562 libogg
563 libtheora
564 libvorbis
565 memalign_hack
566 mpegaudio_hp
567 network
568 powerpc_perf
569 pp
570 protocols
571 swscaler
572 vhook
573 v4l
574 v4l2
575 wince
576 x11grab
577 x264
578 xvid
579 zlib
580 '
581
582 THREADS_LIST='
583 beosthreads
584 os2threads
585 pthreads
586 w32threads
587 '
588
589 HAVE_LIST="
590 $THREADS_LIST
591 altivec
592 altivec_h
593 armv5te
594 armv6
595 arpa_inet_h
596 byteswap_h
597 cmov
598 dcbzl
599 dev_bktr_ioctl_bt848_h
600 dev_bktr_ioctl_meteor_h
601 dev_ic_bt8xx_h
602 dev_video_meteor_ioctl_meteor_h
603 dev_video_bktr_ioctl_bt848_h
604 dlfcn_h
605 dlopen
606 fast_64bit
607 fast_cmov
608 freetype2
609 imlib2
610 inet_aton
611 iwmmxt
612 localtime_r
613 lrintf
614 machine_ioctl_bt848_h
615 machine_ioctl_meteor_h
616 malloc_h
617 memalign
618 mlib
619 mmi
620 mmx
621 os2
622 sdl
623 sdl_video_size
624 soundcard_h
625 sys_poll_h
626 sys_soundcard_h
627 threads
628 "
629
630 TARGET_LIST='
631 altivec
632 armv5te
633 armv6
634 iwmmxt
635 mmi
636 mmx
637 '
638
639 CMDLINE_SELECT="
640 $CONFIG_LIST
641 $TARGET_LIST
642 $THREADS_LIST
643 amr_if2
644 debug
645 extra_warnings
646 shared
647 static
648 "
649
650 dxa_decoder_deps="zlib"
651 flashsv_decoder_deps="zlib"
652 flashsv_encoder_deps="zlib"
653 mpeg_xvmc_decoder_deps="xvmc"
654 png_decoder_deps="zlib"
655 png_encoder_deps="zlib"
656 x264_encoder_deps="x264"
657 xvid_encoder_deps="xvid"
658 zmbv_decoder_deps="zlib"
659 zmbv_encoder_deps="zlib"
660
661 aac_decoder_deps="libfaad"
662 mpeg4aac_decoder_deps="libfaad"
663 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
664 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
665 amr_wb_decoder_deps="amr_wb"
666 amr_wb_encoder_deps="amr_wb"
667 dts_decoder_deps="libdts"
668 faac_encoder_deps="libfaac"
669 liba52_decoder_deps="liba52"
670 libgsm_decoder_deps="libgsm"
671 libgsm_encoder_deps="libgsm"
672 libgsm_ms_decoder_deps="libgsm"
673 libgsm_ms_encoder_deps="libgsm"
674 libtheora_encoder_deps="libtheora"
675 mp3lame_encoder_deps="libmp3lame"
676 oggvorbis_decoder_deps="libvorbis"
677 oggvorbis_encoder_deps="libvorbis"
678
679 audio_demuxer_deps_any="audio_oss audio_beos"
680 audio_muxer_deps_any="audio_oss audio_beos"
681 dc1394_demuxer_deps="dc1394"
682 dv1394_demuxer_deps="dv1394"
683 gxf_muxer_deps="gpl"
684 libnut_demuxer_deps="libnut"
685 libnut_muxer_deps="libnut"
686 ogg_muxer_deps="libogg"
687 redir_demuxer_deps="network"
688 rtp_muxer_deps="network"
689 rtsp_demuxer_deps="network"
690 sdp_demuxer_deps="network"
691 v4l2_demuxer_deps="v4l2"
692 video_grab_bktr_demuxer_deps="bktr"
693 video_grab_v4l_demuxer_deps="v4l"
694 x11_grab_device_demuxer_deps="x11grab"
695
696 ffplay_deps="sdl"
697 ffserver_deps="network protocols muxers"
698 network_deps="protocols"
699
700 # set temporary file name
701 if test ! -z "$TMPDIR" ; then
702 TMPDIR1="${TMPDIR}"
703 elif test ! -z "$TEMPDIR" ; then
704 TMPDIR1="${TEMPDIR}"
705 else
706 TMPDIR1="/tmp"
707 fi
708
709 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
710 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
711 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
712 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
713 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
714
715 # default parameters
716
717 logging="yes"
718 logfile="config.err"
719
720 # installation paths
721 PREFIX="/usr/local"
722 libdir='${PREFIX}/lib'
723 shlibdir="$libdir"
724 incdir='${PREFIX}/include/ffmpeg'
725 mandir='${PREFIX}/man'
726 bindir='${PREFIX}/bin'
727
728 # toolchain
729 cross_prefix=""
730 cross_compile="no"
731 cc="gcc"
732 ar="ar"
733 ranlib="ranlib"
734 make="make"
735 strip="strip"
736 asmalign_pot="unknown"
737
738 # machine
739 arch=`uname -m`
740 cpu="generic"
741 powerpc_perf="no"
742 mmx="default"
743 cmov="no"
744 fast_cmov="no"
745 armv5te="default"
746 armv6="default"
747 iwmmxt="default"
748 altivec="default"
749 dcbzl="no"
750 mmi="default"
751 bigendian="no"
752
753 # OS
754 targetos=$(tolower $(uname -s))
755 beos_netserver="no"
756 os2="no"
757 wince="no"
758
759 # non-library system interfaces
760 audio_beos="default"
761 audio_oss="yes"
762 bktr="yes"
763 dv1394="yes"
764 v4l2="yes"
765 v4l="yes"
766
767 # libraries
768 amr_if2="no"
769 amr_nb="no"
770 amr_nb_fixed="no"
771 amr_wb="no"
772 avisynth="no"
773 dc1394="no"
774 dlfcn_h="no"
775 dlopen="no"
776 liba52="no"
777 liba52bin="no"
778 libdts="no"
779 libfaac="no"
780 libfaad2="no"
781 libfaad="no"
782 libfaadbin="no"
783 libgsm="no"
784 libmp3lame="no"
785 libnut="no"
786 libogg="no"
787 libtheora="no"
788 libvorbis="no"
789 mlib="no"
790 x11grab="no"
791 x264="no"
792 xvid="no"
793 zlib="yes"
794
795 # configurable options
796 debug="yes"
797 dostrip="yes"
798 extra_warnings="no"
799 ffmpeg="yes"
800 ffplay="yes"
801 ffserver="yes"
802 gpl="no"
803 gprof="no"
804 ipv6="yes"
805 shared="no"
806 static="yes"
807 memalign_hack="no"
808 mpegaudio_hp="yes"
809 network="yes"
810 optimize="yes"
811 pp="no"
812 protocols="yes"
813 swscaler="no"
814 vhook="default"
815
816 # threading
817 beosthreads="no"
818 os2threads="no"
819 pthreads="no"
820 w32threads="no"
821 thread_type="no"
822
823 # build settings
824 SHFLAGS='-shared -Wl,-soname,$@'
825 VHOOKSHFLAGS='$(SHFLAGS)'
826 LIBOBJFLAGS=""
827 FFLDFLAGS=-Wl,--warn-common
828 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
829 FFSERVERLDFLAGS=-Wl,-E
830 LDCONFIG="ldconfig"
831 LIBPREF="lib"
832 LIBSUF=".a"
833 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
834 SLIBPREF="lib"
835 SLIBSUF=".so"
836 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
837 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
838 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
839 EXESUF=""
840 BUILDSUF=""
841 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
842
843 # find source path
844 source_path="`dirname \"$0\"`"
845 source_path_used="yes"
846 if test -z "$source_path" -o "$source_path" = "." ; then
847 source_path="`pwd`"
848 source_path_used="no"
849 else
850 source_path="`cd \"$source_path\"; pwd`"
851 echo "$source_path" | grep -q '[[:blank:]]' &&
852 die "Out of tree builds are impossible with whitespace in source path."
853 fi
854
855 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
856 show_help
857 fi
858
859 FFMPEG_CONFIGURATION="$@"
860
861 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
862 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
863 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
864 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
865 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
866
867 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
868
869 die_unknown(){
870 echo "Unknown option \"$1\"."
871 echo "See $0 --help for available options."
872 exit 1
873 }
874
875 for opt do
876 optval="${opt#*=}"
877 case "$opt" in
878 --log)
879 ;;
880 --log=*) logging="$optval"
881 ;;
882 --prefix=*) PREFIX="$optval"
883 ;;
884 --libdir=*) libdir="$optval"
885 ;;
886 --shlibdir=*) shlibdir="$optval"
887 ;;
888 --incdir=*) incdir="$optval"
889 ;;
890 --mandir=*) mandir="$optval"
891 ;;
892 --source-path=*) source_path="$optval"
893 ;;
894 --cross-prefix=*) cross_prefix="$optval"
895 ;;
896 --cross-compile) cross_compile="yes"
897 ;;
898 --target-os=*) targetos="$optval"
899 ;;
900 --cc=*) cc="$optval"
901 ;;
902 --make=*) make="$optval"
903 ;;
904 --extra-cflags=*) add_cflags "$optval"
905 ;;
906 --extra-ldflags=*) add_ldflags "$optval"
907 ;;
908 --extra-libs=*) add_extralibs "$optval"
909 ;;
910 --build-suffix=*) BUILDSUF="$optval"
911 ;;
912 --arch=*) arch="$optval"
913 ;;
914 --cpu=*) cpu="$optval"
915 ;;
916 --enable-mingwce) wince="yes"
917 ;;
918 --disable-opts) optimize="no"
919 ;;
920 --enable-small) optimize="small"
921 ;;
922 --enable-sunmlib) mlib="yes"
923 ;;
924 --disable-strip) dostrip="no"
925 ;;
926 --disable-encoders) disable $ENCODER_LIST
927 ;;
928 --disable-decoders) disable $DECODER_LIST
929 ;;
930 --disable-muxers) disable $MUXER_LIST
931 ;;
932 --disable-demuxers) disable $DEMUXER_LIST
933 ;;
934 --disable-parsers) disable $PARSER_LIST
935 ;;
936 --enable-*=*|--disable-*=*)
937 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
938 case "$thing" in
939 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
940 *) die_unknown "$opt" ;;
941 esac
942 ;;
943 --enable-?*|--disable-?*)
944 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
945 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
946 $action $option
947 ;;
948 --help) show_help
949 ;;
950 *)
951 die_unknown $opt
952 ;;
953 esac
954 done
955
956 case "$arch" in
957 i386|i486|i586|i686|i86pc|BePC)
958 arch="x86_32"
959 ;;
960 x86_64|amd64)
961 arch="x86_32"
962 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
963 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
964 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
965 arch="x86_64"
966 enable fast_64bit
967 fi
968 fi
969 ;;
970 # armv4l is a subset of armv[567]*l
971 arm|armv[4567]*l)
972 arch="armv4l"
973 ;;
974 alpha)
975 arch="alpha"
976 enable fast_64bit
977 ;;
978 "Power Macintosh"|ppc|powerpc)
979 arch="powerpc"
980 ;;
981 ppc64)
982 arch="powerpc"
983 enable fast_64bit
984 ;;
985 mips|mipsel|IP*)
986 arch="mips"
987 ;;
988 sun4u|sparc64)
989 arch="sparc64"
990 enable fast_64bit
991 ;;
992 sparc)
993 arch="sparc"
994 ;;
995 sh4)
996 arch="sh4"
997 ;;
998 parisc)
999 arch="parisc"
1000 ;;
1001 parisc64)
1002 arch="parisc"
1003 enable fast_64bit
1004 ;;
1005 s390|s390x)
1006 arch="s390"
1007 ;;
1008 m68k)
1009 arch="m68k"
1010 ;;
1011 ia64)
1012 arch="ia64"
1013 enable fast_64bit
1014 ;;
1015 bfin)
1016 arch="bfin"
1017 ;;
1018 *)
1019 arch="unknown"
1020 ;;
1021 esac
1022
1023 # OS specific
1024 osextralibs="-lm"
1025 case $targetos in
1026 beos|haiku|zeta)
1027 PREFIX="$HOME/config"
1028 # helps building libavcodec
1029 add_cflags "-DPIC -fomit-frame-pointer"
1030 # 3 gcc releases known for BeOS, each with ugly bugs
1031 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1032 case "$gcc_version" in
1033 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1034 mmx="no"
1035 ;;
1036 *20010315*) echo "BeBits gcc"
1037 add_cflags "-fno-expensive-optimizations"
1038 ;;
1039 esac
1040 LDCONFIG="echo ignoring ldconfig"
1041 SHFLAGS=-nostart
1042 # disable Linux things
1043 dv1394="no"
1044 # enable BeOS things
1045 disabled audio_beos || enable_audio_beos
1046 # no need for libm, but the inet stuff
1047 # Check for BONE
1048 # XXX: actually should check for NOT net_server
1049 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1050 osextralibs="-lbind -lsocket"
1051 else
1052 beos_netserver="yes"
1053 osextralibs="-lnet"
1054 fi ;;
1055 sunos)
1056 dv1394="no"
1057 FFLDFLAGS=""
1058 FFSERVERLDFLAGS=""
1059 SHFLAGS="-shared -Wl,-h,\$@"
1060 add_extralibs "-lsocket -lnsl"
1061 ;;
1062 netbsd)
1063 dv1394="no"
1064 add_extralibs "-lossaudio"
1065 ;;
1066 openbsd)
1067 dv1394="no"
1068 need_memalign="no"
1069 LIBOBJFLAGS="\$(PIC)"
1070 LDCONFIG="ldconfig -m \$(shlibdir)"
1071 SHFLAGS='-shared'
1072 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1073 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1074 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1075 add_extralibs "-lossaudio"
1076 ;;
1077 freebsd)
1078 dv1394="no"
1079 need_memalign="no"
1080 add_cflags "-pthread"
1081 ;;
1082 gnu/kfreebsd)
1083 dv1394="no"
1084 add_cflags "-pthread"
1085 ;;
1086 bsd/os)
1087 dv1394="no"
1088 osextralibs="-lpoll -lgnugetopt -lm"
1089 strip="strip -d"
1090 ;;
1091 darwin)
1092 dv1394="no"
1093 need_memalign="no"
1094 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1095 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1096 osextralibs=""
1097 strip="strip -x"
1098 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1099 SLIBSUF=".dylib"
1100 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1101 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1102 FFSERVERLDFLAGS=-Wl,-bind_at_load
1103 ;;
1104 mingw32*)
1105 targetos=mingw32
1106 if enabled_all shared static; then
1107 cat <<EOF
1108 You can only build one library type at once on MinGW.
1109 Specify --disable-static --enable-shared to only build
1110 the shared libraries. To build only the static libraries
1111 you do not need to pass additional options.
1112 EOF
1113 exit 1
1114 fi
1115 dv1394="no"
1116 ffserver="no"
1117 network="no"
1118 if enabled wince; then
1119 protocols="no"
1120 fi
1121 SLIBPREF=""
1122 SLIBSUF=".dll"
1123 EXESUF=".exe"
1124 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1125 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1126 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1127 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1128 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1129 add_extralibs -lws2_32
1130 ;;
1131 cygwin*)
1132 targetos=cygwin
1133 shlibdir="$bindir"
1134 dv1394="no"
1135 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1136 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1137 osextralibs=""
1138 EXESUF=".exe"
1139 SLIBPREF="cyg"
1140 SLIBSUF=".dll"
1141 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1142 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1143 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1144 ;;
1145 linux)
1146 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1147 ;;
1148 irix*)
1149 targetos=irix
1150 ranlib="echo ignoring ranlib"
1151 ;;
1152 os/2)
1153 TMPE=$TMPE".exe"
1154 ar="emxomfar -p128"
1155 ranlib="echo ignoring ranlib"
1156 strip="echo ignoring strip"
1157 add_cflags "-Zomf"
1158 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1159 SHFLAGS="-Zdll -Zomf"
1160 FFSERVERLDFLAGS=""
1161 LIBPREF=""
1162 LIBSUF=".lib"
1163 SLIBPREF=""
1164 SLIBSUF=".dll"
1165 EXESUF=".exe"
1166 osextralibs=""
1167 pkg_requires=""
1168 dv1394="no"
1169 ffserver="no"
1170 vhook="no"
1171 os2="yes"
1172 ;;
1173 *)
1174 targetos="${targetos}-UNKNOWN"
1175 ;;
1176 esac
1177
1178 add_extralibs $osextralibs
1179
1180 if ! disabled logging ; then
1181 enabled logging || logfile="$logging"
1182 echo "# $0 $@" >$logfile
1183 set >>$logfile
1184 else
1185 logfile=/dev/null
1186 fi
1187
1188 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1189 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1190
1191 test -n "$cross_prefix" && cross_compile=yes
1192 cc="${cross_prefix}${cc}"
1193 ar="${cross_prefix}${ar}"
1194 ranlib="${cross_prefix}${ranlib}"
1195 strip="${cross_prefix}${strip}"
1196
1197 # Disable core dumps so that intentional execution of broken apps doesn't
1198 # pollute the current directory.
1199 ulimit -c 0
1200
1201 # we need to build at least one lib type
1202 if disabled_all static shared; then
1203 cat <<EOF
1204 At least one library type must be built.
1205 Specify --enable-static to build the static libraries or --enable-shared to
1206 build the shared libraries as well. To only build the shared libraries specify
1207 --disable-static in addition to --enable-shared.
1208 EOF
1209 exit 1;
1210 fi
1211
1212 if disabled libogg; then
1213 enabled libtheora && die "libogg must be enabled to enable libtheora."
1214 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1215 fi
1216
1217 if enabled_any libfaad libfaadbin ; then
1218 if check_header faad.h; then
1219 check_cc << EOF
1220 #include <faad.h>
1221 #ifndef FAAD2_VERSION
1222 ok faad1
1223 #endif
1224 int main( void ) { return 0; }
1225 EOF
1226 test $? = 0 && enable libfaad2
1227 else
1228 die "FAAD test failed."
1229 fi
1230 fi
1231
1232
1233 if disabled gpl ; then
1234 die_gpl_disabled(){
1235 name=$1
1236 shift
1237 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1238 }
1239 die_gpl_disabled "The Postprocessing code" pp
1240 die_gpl_disabled "liba52" liba52
1241 die_gpl_disabled "libxvidcore" xvid
1242 die_gpl_disabled "x264" x264
1243 die_gpl_disabled "libdts" libdts
1244 die_gpl_disabled "FAAD2" libfaad2
1245 die_gpl_disabled "The X11 grabber" x11grab
1246 die_gpl_disabled "The software scaler" swscaler
1247 fi
1248
1249 # compute MMX state
1250 if test $mmx = "default"; then
1251 if test $arch = "x86_32" -o $arch = "x86_64"; then
1252 mmx="yes"
1253 else
1254 mmx="no"
1255 fi
1256 fi
1257
1258 test -z "$need_memalign" && need_memalign="$mmx"
1259
1260 #Darwin CC versions
1261 needmdynamicnopic="no"
1262 if test $targetos = darwin; then
1263 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1264 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1265 else
1266 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1267 case "$gcc_version" in
1268 *2.95*)
1269 add_cflags "-no-cpp-precomp -pipe"
1270 ;;
1271 *[34].*)
1272 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1273 if disabled shared; then
1274 needmdynamicnopic="yes"
1275 fi
1276 ;;
1277 *)
1278 add_cflags "-no-cpp-precomp -pipe"
1279 if disabled shared; then
1280 needmdynamicnopic="yes"
1281 fi
1282 ;;
1283 esac
1284 fi
1285 fi
1286
1287 disabled optimize || add_cflags -fomit-frame-pointer
1288
1289 # Can only do AltiVec on PowerPC
1290 if test $altivec = "default"; then
1291 if test $arch = "powerpc"; then
1292 altivec="yes"
1293 else
1294 altivec="no"
1295 fi
1296 fi
1297
1298 # Add processor-specific flags
1299 POWERPCMODE="32bits"
1300 if test $cpu != "generic"; then
1301 warn_altivec(){
1302 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1303 }
1304 case $cpu in
1305 601|ppc601|PowerPC601)
1306 add_cflags "-mcpu=601"
1307 warn_altivec enabled PPC601
1308 ;;
1309 603*|ppc603*|PowerPC603*)
1310 add_cflags "-mcpu=603"
1311 warn_altivec enabled PPC603
1312 ;;
1313 604*|ppc604*|PowerPC604*)
1314 add_cflags "-mcpu=604"
1315 warn_altivec enabled PPC604
1316 ;;
1317 G3|g3|75*|ppc75*|PowerPC75*)
1318 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1319 warn_altivec enabled PPC75x
1320 ;;
1321 G4|g4|745*|ppc745*|PowerPC745*)
1322 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1323 warn_altivec disabled PPC745x
1324 ;;
1325 74*|ppc74*|PowerPC74*)
1326 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1327 warn_altivec disabled PPC74xx
1328 ;;
1329 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1330 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1331 warn_altivec disabled PPC970
1332 POWERPCMODE="64bits"
1333 ;;
1334 # targets that do NOT support conditional mov (cmov)
1335 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1336 add_cflags "-march=$cpu"
1337 cmov="no"
1338 ;;
1339 # targets that do support conditional mov (cmov)
1340 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1341 add_cflags "-march=$cpu"
1342 cmov="yes"
1343 fast_cmov="yes"
1344 ;;
1345 # targets that do support conditional mov but on which it's slow
1346 pentium4|prescott|nocona)
1347 add_cflags "-march=$cpu"
1348 cmov="yes"
1349 fast_cmov="no"
1350 ;;
1351 sparc64)
1352 add_cflags "-mcpu=v9"
1353 ;;
1354 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1355 add_cflags "-mfdpic"
1356 add_ldflags "-mfdpic"
1357 ;;
1358 *)
1359 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1360 ;;
1361 esac
1362 fi
1363
1364 gnu_make(){
1365 $1 --version 2>&1 | grep -q GNU
1366 }
1367
1368 if ! gnu_make $make; then
1369 gnu_make gmake && make=gmake || die "GNU make not found."
1370 fi
1371
1372 # make sure we can execute files in $TMPDIR
1373 cat >$TMPE 2>>$logfile <<EOF
1374 #! /bin/sh
1375 EOF
1376 chmod +x $TMPE >>$logfile 2>&1
1377 if ! $TMPE >>$logfile 2>&1; then
1378 cat <<EOF
1379 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1380 variable to another directory and make sure that $TMPDIR1 is not mounted
1381 noexec.
1382 EOF
1383 die "Sanity test failed."
1384 fi
1385 rm $TMPE
1386
1387 # compiler sanity check
1388 check_exec <<EOF
1389 int main(){
1390 return 0;
1391 }
1392 EOF
1393 if test "$?" != 0; then
1394 echo "$cc is unable to create an executable file."
1395 if test -z "$cross_prefix" && disabled cross_compile ; then
1396 echo "If $cc is a cross-compiler, use the --cross-compile option."
1397 echo "Only do this if you know what cross compiling means."
1398 fi
1399 die "C compiler test failed."
1400 fi
1401
1402 if test $arch = "x86_32" -o $arch = "x86_64"; then
1403 if test "$targetos" = mingw32 -o "$targetos" = cygwin; then
1404 cat <<EOF
1405 WARNING: The following test might cause a testapp to crash (intentionally)
1406 resulting in the appearance of a dialog box. Please click "Don't send" and
1407 ignore it.
1408 EOF
1409 fi
1410
1411 # check whether EBP is available on x86
1412 # As 'i' is stored on the stack, this program will crash
1413 # if the base pointer is used to access it because the
1414 # base pointer is cleared in the inline assembly code.
1415 (check_exec) <<EOF >>$logfile 2>&1 && enable ebp_available
1416 int main(){
1417 volatile int i=0;
1418 asm volatile (
1419 "xorl %%ebp, %%ebp"
1420 ::: "%ebp");
1421 return i;
1422 }
1423 EOF
1424
1425 # check wether EBX is available on x86
1426 check_cc <<EOF && enable ebx_available
1427 int main(){
1428 asm volatile ("":::"%ebx");
1429 }
1430 EOF
1431 fi
1432
1433 # check for assembler specific support
1434
1435 if test $arch = "powerpc"; then
1436 check_cc <<EOF && dcbzl=yes
1437 int main(void) {
1438 register long zero = 0;
1439 char data[1024];
1440 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1441 return 0;
1442 }
1443 EOF
1444 fi
1445
1446 # check for SIMD availability
1447
1448 # AltiVec flags: The FSF version of GCC differs from the Apple version
1449 if test $arch = "powerpc"; then
1450 if enabled altivec; then
1451 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1452 add_cflags "-faltivec"
1453 else
1454 add_cflags "-maltivec -mabi=altivec"
1455 fi
1456 fi
1457 fi
1458
1459 check_header altivec.h
1460
1461 # check if our compiler supports Motorola AltiVec C API
1462 if enabled altivec; then
1463 if enabled altivec_h; then
1464 inc_altivec_h="#include <altivec.h>"
1465 else
1466 inc_altivec_h=
1467 fi
1468 check_cc <<EOF || altivec=no
1469 $inc_altivec_h
1470 int main(void) {
1471 vector signed int v1, v2, v3;
1472 v1 = vec_add(v2,v3);
1473 return 0;
1474 }
1475 EOF
1476 fi
1477
1478 # check armv5te instructions support
1479 if test $armv5te = "default" -a $arch = "armv4l"; then
1480 armv5te=no
1481 check_cc <<EOF && armv5te=yes
1482 int main(void) {
1483 __asm__ __volatile__ ("qadd r0, r0, r0");
1484 }
1485 EOF
1486 fi
1487
1488 if test $armv6 = "default" -a $arch = "armv4l"; then
1489 check_cc <<EOF && armv6=yes || armv6=no
1490 int main(void) {
1491 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1492 }
1493 EOF
1494 fi
1495
1496 # check iwmmxt support
1497 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1498 iwmmxt=no
1499 check_cc <<EOF && iwmmxt=yes
1500 int main(void) {
1501 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1502 }
1503 EOF
1504 fi
1505
1506 # mmi only available on mips
1507 if test $mmi = "default"; then
1508 if test $arch = "mips"; then
1509 mmi="yes"
1510 else
1511 mmi="no"
1512 fi
1513 fi
1514
1515 # check if our compiler supports mmi
1516 enabled mmi && check_cc <<EOF || mmi="no"
1517 int main(void) {
1518 __asm__ ("lq \$2, 0(\$2)");
1519 return 0;
1520 }
1521 EOF
1522
1523 # ---
1524 # big/little-endian test
1525 if disabled cross_compile; then
1526 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1527 #include <inttypes.h>
1528 int main(int argc, char ** argv){
1529 volatile uint32_t i=0x01234567;
1530 return (*((uint8_t*)(&i))) == 0x67;
1531 }
1532 EOF
1533 else
1534 # programs cannot be launched if cross compiling, so make a static guess
1535 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1536 bigendian="yes"
1537 fi
1538 fi
1539
1540 # ---
1541 # check availability of some header files
1542
1543 check_header malloc.h
1544 check_func memalign
1545
1546 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1547 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1548 fi
1549
1550 check_header byteswap.h
1551
1552 check_header arpa/inet.h
1553
1554 check_func inet_aton
1555 check_func localtime_r
1556 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1557
1558 # ffserver uses poll(),
1559 # if it's not found we can emulate it using select().
1560 if enabled ffserver; then
1561 check_header sys/poll.h
1562 fi
1563
1564 # check for some common methods of building with pthread support
1565 # do this before the optional library checks as some of them require pthreads
1566 if enabled pthreads; then
1567 if check_func pthread_create; then
1568 :
1569 elif check_func pthread_create -pthread; then
1570 add_cflags -pthread
1571 add_ldflags -pthread
1572 elif check_func pthread_create -pthreads; then
1573 add_cflags -pthreads
1574 add_ldflags -pthreads
1575 elif ! check_lib pthread.h pthread_create -lpthread; then
1576 die "ERROR: can't find pthreads library"
1577 fi
1578 fi
1579
1580 for thread in $THREADS_LIST; do
1581 if enabled $thread; then
1582 if ! disabled thread_type ; then
1583 die "ERROR: Only one thread type must be selected."
1584 else
1585 thread_type="$thread"
1586 fi
1587 fi
1588 done
1589
1590 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1591 enabled_all amr_nb amr_nb_fixed &&
1592 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1593
1594 # these are off by default, so fail if requested and not available
1595 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1596 enabled libdts && require libdts dts.h dts_init -ldts -lm
1597 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1598 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1599 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1600 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1601 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1602 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1603 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1604 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1605 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1606 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1607 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1608 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1609 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1610
1611 # test for lrintf in math.h
1612 check_exec <<EOF && lrintf=yes || lrintf=no
1613 #define _ISOC9X_SOURCE 1
1614 #include <math.h>
1615 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1616 EOF
1617
1618 _restrict=
1619 for restrict_keyword in restrict __restrict__ __restrict; do
1620 check_cc <<EOF && _restrict=$restrict_keyword && break
1621 void foo(char * $restrict_keyword p);
1622 EOF
1623 done
1624
1625 # dlopen/dlfcn.h probing
1626
1627 check_header dlfcn.h
1628
1629 if check_func dlopen; then
1630 ldl=
1631 elif check_func dlopen -ldl; then
1632 ldl=-ldl
1633 fi
1634
1635 test "$vhook" = "default" && vhook="$dlopen"
1636
1637 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1638
1639 if test "$targetos" = cygwin && enabled static ; then
1640 vhook="no"
1641 echo
1642 echo "At the moment vhooks don't work on Cygwin static builds."
1643 echo "Patches welcome."
1644 echo
1645 fi
1646
1647 if enabled vhook; then
1648 check_ldflags -rdynamic
1649 check_ldflags -export-dynamic
1650 fi
1651
1652 enabled audio_beos && add_extralibs "-lmedia -lbe"
1653
1654 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1655 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1656
1657 ##########################################
1658 # SDL check
1659
1660 sdl_too_old=no
1661 sdl=no
1662 SDL_CONFIG="${cross_prefix}sdl-config"
1663 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1664 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1665 temp_cflags $sdl_cflags
1666 temp_extralibs `"${SDL_CONFIG}" --libs`
1667 if check_lib SDL.h SDL_Init; then
1668 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1669 if test "$_sdlversion" -lt 121 ; then
1670 sdl_too_old=yes
1671 else
1672 sdl=yes
1673 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1674 #include <SDL.h>
1675 int main(void){
1676 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1677 int w = vi->current_w;
1678 return 0;
1679 }
1680 EOF
1681 fi
1682 fi
1683 restore_flags
1684 fi
1685
1686 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1687
1688 ##########################################
1689 # IPv6 check
1690
1691 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1692 #include <sys/types.h>
1693 #include <sys/socket.h>
1694 #include <netinet/in.h>
1695 #include <netdb.h>
1696 int main( void ) {
1697 struct sockaddr_storage saddr;
1698 struct ipv6_mreq mreq6;
1699 getaddrinfo(0,0,0,0);
1700 getnameinfo(0,0,0,0,0,0,0);
1701 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1702 }
1703 EOF
1704
1705 enabled v4l && check_header linux/videodev.h || disable v4l
1706 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1707
1708 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1709 if enabled bktr; then
1710 { check_header dev/bktr/ioctl_meteor.h &&
1711 check_header dev/bktr/ioctl_bt848.h; } ||
1712 { check_header machine/ioctl_meteor.h &&
1713 check_header machine/ioctl_bt848.h; } ||
1714 { check_header dev/video/meteor/ioctl_meteor.h &&
1715 check_header dev/video/bktr/ioctl_bt848.h; } ||
1716 check_header dev/ic/bt8xx.h ||
1717 disable bktr
1718 fi
1719
1720 enabled audio_oss &&
1721 check_header sys/soundcard.h ||
1722 check_header soundcard.h ||
1723 disable audio_oss
1724
1725 # Deal with the x11 frame grabber
1726 enabled x11grab &&
1727 enabled gpl &&
1728 enabled x11_grab_device_demuxer &&
1729 check_header X11/Xlib.h &&
1730 check_header X11/extensions/XShm.h &&
1731 check_func XOpenDisplay -lX11 &&
1732 check_func XShmCreateImage -lX11 -lXext &&
1733 add_extralibs -lX11 -lXext ||
1734 disable x11_grab_device_demuxer
1735
1736 enabled debug && add_cflags -g
1737
1738 # add some useful compiler flags if supported
1739 check_cflags -Wdeclaration-after-statement
1740 check_cflags -Wall
1741 check_cflags -Wno-switch
1742 check_cflags -Wdisabled-optimization
1743 check_cflags -Wpointer-arith
1744 check_cflags -Wredundant-decls
1745 check_cflags -Wno-pointer-sign
1746 enabled extra_warnings && check_cflags -Winline
1747
1748 # add some linker flags
1749 check_ldflags $LDLATEFLAGS
1750
1751 # not all compilers support -Os
1752 test "$optimize" = "small" && check_cflags -Os
1753
1754 if enabled optimize; then
1755 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1756 add_cflags "-O5"
1757 add_ldflags "-O5"
1758 else
1759 add_cflags "-O3"
1760 fi
1761 fi
1762
1763 # PIC flags for shared library objects where they are needed
1764 if enabled shared; then
1765 # LIBOBJFLAGS may have already been set in the OS configuration
1766 if test -z "$LIBOBJFLAGS" ; then
1767 case "$arch" in
1768 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1769 esac
1770 fi
1771 fi
1772
1773 if enabled gprof; then
1774 add_cflags "-p"
1775 add_ldflags "-p"
1776 fi
1777
1778 VHOOKCFLAGS="-fPIC $CFLAGS"
1779 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1780
1781 # find if .align arg is power-of-two or not
1782 if test $asmalign_pot = "unknown"; then
1783 asmalign_pot="no"
1784 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1785 fi
1786
1787 enabled_any $ENCODER_LIST && enable encoders
1788 enabled_any $DECODER_LIST && enable decoders
1789 enabled_any $MUXER_LIST && enable muxers
1790 enabled_any $DEMUXER_LIST && enable demuxers
1791
1792 enabled_any $THREADS_LIST && enable threads
1793
1794 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1795 $DEMUXER_LIST $MUXER_LIST
1796
1797 enabled libogg && append pkg_requires "ogg >= 1.1"
1798 enabled libtheora && append pkg_requires "theora"
1799 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1800 enabled dc1394 && append pkg_requires "libraw1394"
1801
1802 echo "install prefix $PREFIX"
1803 echo "source path $source_path"
1804 echo "C compiler $cc"
1805 echo "make $make"
1806 echo ".align is power-of-two $asmalign_pot"
1807 echo "ARCH $arch ($cpu)"
1808 if test "$BUILDSUF" != ""; then
1809 echo "build suffix $BUILDSUF"
1810 fi
1811 echo "big-endian $bigendian"
1812 if test $arch = "x86_32" -o $arch = "x86_64"; then
1813 echo "MMX enabled $mmx"
1814 echo "CMOV enabled $cmov"
1815 echo "CMOV is fast $fast_cmov"
1816 fi
1817 if test $arch = "armv4l"; then
1818 echo "ARMv5TE enabled $armv5te"
1819 echo "ARMv6 enabled $armv6"
1820 echo "IWMMXT enabled $iwmmxt"
1821 fi
1822 if test $arch = "mips"; then
1823 echo "MMI enabled $mmi"
1824 fi
1825 if test $arch = "powerpc"; then
1826 echo "AltiVec enabled $altivec"
1827 echo "dcbzl available $dcbzl"
1828 fi
1829 echo "gprof enabled $gprof"
1830 echo "debug symbols $debug"
1831 echo "strip symbols $dostrip"
1832 echo "optimize $optimize"
1833 echo "static $static"
1834 echo "shared $shared"
1835 echo "postprocessing support $pp"
1836 echo "software scaler enabled $swscaler"
1837 echo "video hooking $vhook"
1838 if enabled vhook; then
1839 echo "Imlib2 support $imlib2"
1840 echo "FreeType support $freetype2"
1841 fi
1842 echo "network support $network"
1843 if enabled network; then
1844 echo "IPv6 support $ipv6"
1845 fi
1846 echo "threading support $thread_type"
1847 echo "SDL support $sdl"
1848 if enabled sdl_too_old; then
1849 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1850 fi
1851 echo "Sun medialib support $mlib"
1852 echo "AVISynth enabled $avisynth"
1853 echo "liba52 support $liba52"
1854 echo "liba52 dlopened $liba52bin"
1855 echo "libdts support $libdts"
1856 echo "libfaac enabled $libfaac"
1857 echo "libfaad enabled $libfaad"
1858 echo "faadbin enabled $libfaadbin"
1859 echo "libgsm enabled $libgsm"
1860 echo "libmp3lame enabled $libmp3lame"
1861 echo "libnut enabled $libnut"
1862 echo "libogg enabled $libogg"
1863 echo "libtheora enabled $libtheora"
1864 echo "libvorbis enabled $libvorbis"
1865 echo "x264 enabled $x264"
1866 echo "XviD enabled $xvid"
1867 echo "zlib enabled $zlib"
1868 echo "AMR-NB float support $amr_nb"
1869 echo "AMR-NB fixed support $amr_nb_fixed"
1870 echo "AMR-WB float support $amr_wb"
1871 echo "AMR-WB IF2 support $amr_if2"
1872 if disabled gpl; then
1873 echo "License: LGPL"
1874 else
1875 echo "License: GPL"
1876 fi
1877
1878 echo "Creating config.mak and config.h..."
1879
1880 echo "# Automatically generated by configure - do not modify!" > config.mak
1881 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1882 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1883
1884 echo "PREFIX=$PREFIX" >> config.mak
1885 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1886 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1887 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1888 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1889 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1890 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1891 echo "MAKE=$make" >> config.mak
1892 echo "CC=$cc" >> config.mak
1893 echo "AR=$ar" >> config.mak
1894 echo "RANLIB=$ranlib" >> config.mak
1895 if enabled dostrip; then
1896 echo "STRIP=$strip" >> config.mak
1897 else
1898 echo "STRIP=echo ignoring strip" >> config.mak
1899 fi
1900
1901 echo "OPTFLAGS=$CFLAGS" >> config.mak
1902 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1903 echo "LDFLAGS=$LDFLAGS" >> config.mak
1904 echo "LDCONFIG=$LDCONFIG" >> config.mak
1905 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1906 echo "SHFLAGS=$SHFLAGS" >> config.mak
1907 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1908 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1909 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1910 echo "BUILD_STATIC=$static" >> config.mak
1911 echo "BUILDSUF=$BUILDSUF" >> config.mak
1912 echo "LIBPREF=$LIBPREF" >> config.mak
1913 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1914 if enabled static; then
1915 echo "LIB=$LIB" >> config.mak
1916 else # Some Make complain if this variable does not exist.
1917 echo "LIB=" >> config.mak
1918 fi
1919 echo "SLIBPREF=$SLIBPREF" >> config.mak
1920 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1921 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1922
1923 ucarch=`toupper $arch`
1924 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1925 echo "#define ARCH_${ucarch} 1" >> $TMPH
1926
1927 # special cases
1928 case "$arch" in
1929 x86_32|x86_64)
1930 echo "TARGET_ARCH_X86=yes" >> config.mak
1931 echo "#define ARCH_X86 1" >> $TMPH
1932 ;;
1933 powerpc)
1934 if test "$POWERPCMODE" = "64bits"; then
1935 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1936 fi
1937 ;;
1938 sparc64)
1939 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1940 echo "#define ARCH_SPARC 1" >> $TMPH
1941 ;;
1942 esac
1943
1944 if enabled bigendian; then
1945 echo "WORDS_BIGENDIAN=yes" >> config.mak
1946 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1947 fi
1948 if enabled mmx; then
1949 echo "#define __CPU__ 586" >> $TMPH
1950 fi
1951
1952 if enabled sdl; then
1953 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1954 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1955 fi
1956 if enabled texi2html; then
1957 echo "BUILD_DOC=yes" >> config.mak
1958 fi
1959
1960 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1961 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1962 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1963 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1964 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1965
1966
1967
1968 if enabled shared; then
1969 echo "BUILD_SHARED=yes" >> config.mak
1970 echo "PIC=-fPIC -DPIC" >> config.mak
1971 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1972 echo "SPPVERSION=$pp_version" >> config.mak
1973 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1974 echo "LAVCVERSION=$lavc_version" >> config.mak
1975 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1976 echo "LAVFVERSION=$lavf_version" >> config.mak
1977 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1978 echo "LAVUVERSION=$lavu_version" >> config.mak
1979 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1980 echo "SWSVERSION=$sws_version" >> config.mak
1981 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1982 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1983 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1984 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1985 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1986 fi
1987 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1988 echo "EXTRALIBS=$extralibs" >> config.mak
1989
1990 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1991 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1992 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1993
1994 if test "$targetos" = darwin; then
1995 echo "#define CONFIG_DARWIN 1" >> $TMPH
1996 fi
1997
1998 echo "#define restrict $_restrict" >> $TMPH
1999
2000 if test "$optimize" = "small"; then
2001 echo "#define always_inline" >> $TMPH
2002 echo "#define CONFIG_SMALL 1" >> $TMPH
2003 fi
2004
2005 echo "SRC_PATH=\"$source_path\"" >> config.mak
2006 echo "SRC_PATH_BARE=$source_path" >> config.mak
2007 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2008
2009 if enabled amr_if2; then
2010 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2011 fi
2012
2013 # Apparently it's not possible to portably echo a backslash.
2014 if enabled asmalign_pot; then
2015 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2016 else
2017 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2018 fi
2019
2020
2021 for part in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2022 ucname="`toupper $part`"
2023 config_name="CONFIG_$ucname"
2024 enabled_name="ENABLE_$ucname"
2025 if enabled $part; then
2026 echo "#define $config_name 1" >> $TMPH
2027 echo "#define $enabled_name 1" >> $TMPH
2028 echo "$config_name=yes" >> config.mak
2029 else
2030 echo "#define $enabled_name 0" >> $TMPH
2031 fi
2032 done
2033
2034 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2035 if ! cmp -s $TMPH config.h; then
2036 mv -f $TMPH config.h
2037 else
2038 echo "config.h is unchanged"
2039 fi
2040
2041 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2042
2043 # build tree in object directory if source path is different from current one
2044 if enabled source_path_used; then
2045 DIRS="\
2046 doc \
2047 libavformat \
2048 libavcodec \
2049 libavcodec/alpha \
2050 libavcodec/armv4l \
2051 libavcodec/bfin \
2052 libavcodec/i386 \
2053 libavcodec/sparc \
2054 libavcodec/mlib \
2055 libavcodec/ppc \
2056 libavcodec/amr \
2057 libavcodec/amr_float \
2058 libavcodec/amrwb_float \
2059 libpostproc \
2060 libavutil \
2061 libswscale \
2062 tests \
2063 vhook \
2064 "
2065 FILES="\
2066 Makefile \
2067 common.mak \
2068 libavformat/Makefile \
2069 libavcodec/Makefile \
2070 libpostproc/Makefile \
2071 libavutil/Makefile \
2072 libswscale/Makefile \
2073 tests/Makefile \
2074 vhook/Makefile \
2075 doc/Makefile \
2076 doc/texi2pod.pl \
2077 "
2078 for dir in $DIRS ; do
2079 mkdir -p $dir
2080 done
2081 for f in $FILES ; do
2082 ln -sf "$source_path/$f" $f
2083 done
2084 fi
2085
2086
2087 # build pkg-config files
2088 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2089
2090 pkgconfig_generate(){
2091 name=$1
2092 comment=$2
2093 version=$3
2094 libs=$4
2095 requires=$5
2096 include=$6
2097 cat <<EOF >$name.pc
2098 prefix=$PREFIX
2099 exec_prefix=\${prefix}
2100 libdir=\${exec_prefix}/lib
2101 includedir=\${prefix}/include
2102
2103 Name: $name
2104 Description: $comment
2105 Version: $version
2106 Requires: $requires
2107 Conflicts:
2108 Libs: -L\${libdir} $libs
2109 Cflags: -I\${includedir} -I\${includedir}/$include
2110 EOF
2111 }
2112
2113 pkgconfig_generate_uninstalled(){
2114 name=$1
2115 shortname=${name#lib}
2116 comment=$2
2117 version=$3
2118 libs=$4
2119 requires=$5
2120 cat <<EOF >$name-uninstalled.pc
2121 prefix=
2122 exec_prefix=
2123 libdir=\${pcfiledir}/$name
2124 includedir=\${pcfiledir}/$name
2125
2126 Name: $name
2127 Description: $comment
2128 Version: $version
2129 Requires: $requires
2130 Conflicts:
2131 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2132 Cflags: -I\${includedir}
2133 EOF
2134 }
2135
2136 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2137 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2138
2139 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2140 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2141
2142 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2143 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2144
2145 if enabled pp; then
2146 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2147 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2148 fi
2149
2150 if enabled swscaler; then
2151 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2152 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2153 else
2154 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2155 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2156 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2157 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2158 fi