Force lowercase targetos value for MinGW, we check against lowercase strings.
[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 $THREADS_LIST
643 amr_if2
644 debug
645 extra_warnings
646 shared
647 static
648 "
649
650 dxa_decoder_deps="zlib"
651 flashsv_decoder_deps="zlib"
652 flashsv_encoder_deps="zlib"
653 mpeg_xvmc_decoder_deps="xvmc"
654 png_decoder_deps="zlib"
655 png_encoder_deps="zlib"
656 x264_encoder_deps="x264"
657 xvid_encoder_deps="xvid"
658 zmbv_decoder_deps="zlib"
659 zmbv_encoder_deps="zlib"
660
661 aac_decoder_deps="libfaad"
662 mpeg4aac_decoder_deps="libfaad"
663 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
664 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
665 amr_wb_decoder_deps="amr_wb"
666 amr_wb_encoder_deps="amr_wb"
667 dts_decoder_deps="libdts"
668 faac_encoder_deps="libfaac"
669 liba52_decoder_deps="liba52"
670 libgsm_decoder_deps="libgsm"
671 libgsm_encoder_deps="libgsm"
672 libgsm_ms_decoder_deps="libgsm"
673 libgsm_ms_encoder_deps="libgsm"
674 libtheora_encoder_deps="libtheora"
675 mp3lame_encoder_deps="libmp3lame"
676 oggvorbis_decoder_deps="libvorbis"
677 oggvorbis_encoder_deps="libvorbis"
678
679 audio_demuxer_deps_any="audio_oss audio_beos"
680 audio_muxer_deps_any="audio_oss audio_beos"
681 dc1394_demuxer_deps="dc1394"
682 dv1394_demuxer_deps="dv1394"
683 gxf_muxer_deps="gpl"
684 libnut_demuxer_deps="libnut"
685 libnut_muxer_deps="libnut"
686 ogg_muxer_deps="libogg"
687 redir_demuxer_deps="network"
688 rtp_muxer_deps="network"
689 rtsp_demuxer_deps="network"
690 sdp_demuxer_deps="network"
691 v4l2_demuxer_deps="v4l2"
692 video_grab_device_demuxer_deps_any="v4l bktr"
693 x11_grab_device_demuxer_deps="x11grab"
694
695 ffplay_deps="sdl"
696 ffserver_deps="network protocols muxers"
697 network_deps="protocols"
698
699 # set temporary file name
700 if test ! -z "$TMPDIR" ; then
701 TMPDIR1="${TMPDIR}"
702 elif test ! -z "$TEMPDIR" ; then
703 TMPDIR1="${TEMPDIR}"
704 else
705 TMPDIR1="/tmp"
706 fi
707
708 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
709 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
710 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
711 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
712 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
713
714 # default parameters
715
716 logging="yes"
717 logfile="config.err"
718
719 # installation paths
720 PREFIX="/usr/local"
721 libdir='${PREFIX}/lib'
722 shlibdir="$libdir"
723 incdir='${PREFIX}/include/ffmpeg'
724 mandir='${PREFIX}/man'
725 bindir='${PREFIX}/bin'
726
727 # toolchain
728 cross_prefix=""
729 cross_compile="no"
730 cc="gcc"
731 ar="ar"
732 ranlib="ranlib"
733 make="make"
734 strip="strip"
735 asmalign_pot="unknown"
736
737 # machine
738 arch=`uname -m`
739 cpu="generic"
740 powerpc_perf="no"
741 mmx="default"
742 cmov="no"
743 fast_cmov="no"
744 armv5te="default"
745 armv6="default"
746 iwmmxt="default"
747 altivec="default"
748 dcbzl="no"
749 mmi="default"
750 bigendian="no"
751
752 # OS
753 targetos=`uname -s`
754 beos_netserver="no"
755 os2="no"
756 wince="no"
757
758 # non-library system interfaces
759 audio_beos="default"
760 audio_oss="yes"
761 bktr="yes"
762 dv1394="yes"
763 v4l2="yes"
764 v4l="yes"
765
766 # libraries
767 amr_if2="no"
768 amr_nb="no"
769 amr_nb_fixed="no"
770 amr_wb="no"
771 avisynth="no"
772 dc1394="no"
773 dlfcn_h="no"
774 dlopen="no"
775 liba52="no"
776 liba52bin="no"
777 libdts="no"
778 libfaac="no"
779 libfaad2="no"
780 libfaad="no"
781 libfaadbin="no"
782 libgsm="no"
783 libmp3lame="no"
784 libnut="no"
785 libogg="no"
786 libtheora="no"
787 libvorbis="no"
788 mlib="no"
789 x11grab="no"
790 x264="no"
791 xvid="no"
792 zlib="yes"
793
794 # configurable options
795 debug="yes"
796 dostrip="yes"
797 extra_warnings="no"
798 ffmpeg="yes"
799 ffplay="yes"
800 ffserver="yes"
801 gpl="no"
802 gprof="no"
803 ipv6="yes"
804 shared="no"
805 static="yes"
806 memalign_hack="no"
807 mpegaudio_hp="yes"
808 network="yes"
809 optimize="yes"
810 pp="no"
811 protocols="yes"
812 swscaler="no"
813 vhook="default"
814
815 # threading
816 beosthreads="no"
817 os2threads="no"
818 pthreads="no"
819 w32threads="no"
820 thread_type="no"
821
822 # build settings
823 SHFLAGS='-shared -Wl,-soname,$@'
824 VHOOKSHFLAGS='$(SHFLAGS)'
825 LIBOBJFLAGS=""
826 FFLDFLAGS=-Wl,--warn-common
827 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
828 FFSERVERLDFLAGS=-Wl,-E
829 LDCONFIG="ldconfig"
830 LIBPREF="lib"
831 LIBSUF=".a"
832 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
833 SLIBPREF="lib"
834 SLIBSUF=".so"
835 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
836 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
837 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
838 EXESUF=""
839 BUILDSUF=""
840 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
841
842 # find source path
843 source_path="`dirname \"$0\"`"
844 source_path_used="yes"
845 if test -z "$source_path" -o "$source_path" = "." ; then
846 source_path="`pwd`"
847 source_path_used="no"
848 else
849 source_path="`cd \"$source_path\"; pwd`"
850 echo "$source_path" | grep -q '[[:blank:]]' &&
851 die "Out of tree builds are impossible with whitespace in source path."
852 fi
853
854 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
855 show_help
856 fi
857
858 FFMPEG_CONFIGURATION="$@"
859
860 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
861 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
862 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
863 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
864 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
865
866 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
867
868 die_unknown(){
869 echo "Unknown option \"$1\"."
870 echo "See $0 --help for available options."
871 exit 1
872 }
873
874 for opt do
875 optval="${opt#*=}"
876 case "$opt" in
877 --log)
878 ;;
879 --log=*) logging="$optval"
880 ;;
881 --prefix=*) PREFIX="$optval"
882 ;;
883 --libdir=*) libdir="$optval"
884 ;;
885 --shlibdir=*) shlibdir="$optval"
886 ;;
887 --incdir=*) incdir="$optval"
888 ;;
889 --mandir=*) mandir="$optval"
890 ;;
891 --source-path=*) source_path="$optval"
892 ;;
893 --cross-prefix=*) cross_prefix="$optval"
894 ;;
895 --cross-compile) cross_compile="yes"
896 ;;
897 --target-os=*) targetos="$optval"
898 ;;
899 --cc=*) cc="$optval"
900 ;;
901 --make=*) make="$optval"
902 ;;
903 --extra-cflags=*) add_cflags "$optval"
904 ;;
905 --extra-ldflags=*) add_ldflags "$optval"
906 ;;
907 --extra-libs=*) add_extralibs "$optval"
908 ;;
909 --build-suffix=*) BUILDSUF="$optval"
910 ;;
911 --arch=*) arch="$optval"
912 ;;
913 --cpu=*) cpu="$optval"
914 ;;
915 --enable-mingwce) wince="yes"
916 ;;
917 --disable-opts) optimize="no"
918 ;;
919 --enable-small) optimize="small"
920 ;;
921 --enable-sunmlib) mlib="yes"
922 ;;
923 --disable-strip) dostrip="no"
924 ;;
925 --disable-encoders) disable $ENCODER_LIST
926 ;;
927 --disable-decoders) disable $DECODER_LIST
928 ;;
929 --disable-muxers) disable $MUXER_LIST
930 ;;
931 --disable-demuxers) disable $DEMUXER_LIST
932 ;;
933 --disable-parsers) disable $PARSER_LIST
934 ;;
935 --enable-*=*|--disable-*=*)
936 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
937 case "$thing" in
938 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
939 *) die_unknown "$opt" ;;
940 esac
941 ;;
942 --enable-?*|--disable-?*)
943 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
944 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
945 $action $option
946 ;;
947 --help) show_help
948 ;;
949 *)
950 die_unknown $opt
951 ;;
952 esac
953 done
954
955 case "$arch" in
956 i386|i486|i586|i686|i86pc|BePC)
957 arch="x86_32"
958 ;;
959 x86_64|amd64)
960 arch="x86_32"
961 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
962 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
963 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
964 arch="x86_64"
965 enable fast_64bit
966 fi
967 fi
968 ;;
969 # armv4l is a subset of armv[567]*l
970 arm|armv[4567]*l)
971 arch="armv4l"
972 ;;
973 alpha)
974 arch="alpha"
975 enable fast_64bit
976 ;;
977 "Power Macintosh"|ppc|powerpc)
978 arch="powerpc"
979 ;;
980 ppc64)
981 arch="powerpc"
982 enable fast_64bit
983 ;;
984 mips|mipsel|IP*)
985 arch="mips"
986 ;;
987 sun4u|sparc64)
988 arch="sparc64"
989 enable fast_64bit
990 ;;
991 sparc)
992 arch="sparc"
993 ;;
994 sh4)
995 arch="sh4"
996 ;;
997 parisc)
998 arch="parisc"
999 ;;
1000 parisc64)
1001 arch="parisc"
1002 enable fast_64bit
1003 ;;
1004 s390|s390x)
1005 arch="s390"
1006 ;;
1007 m68k)
1008 arch="m68k"
1009 ;;
1010 ia64)
1011 arch="ia64"
1012 enable fast_64bit
1013 ;;
1014 bfin)
1015 arch="bfin"
1016 ;;
1017 *)
1018 arch="unknown"
1019 ;;
1020 esac
1021
1022 # OS specific
1023 osextralibs="-lm"
1024 case `tolower $targetos` in
1025 beos|haiku|zeta)
1026 PREFIX="$HOME/config"
1027 # helps building libavcodec
1028 add_cflags "-DPIC -fomit-frame-pointer"
1029 # 3 gcc releases known for BeOS, each with ugly bugs
1030 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1031 case "$gcc_version" in
1032 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1033 mmx="no"
1034 ;;
1035 *20010315*) echo "BeBits gcc"
1036 add_cflags "-fno-expensive-optimizations"
1037 ;;
1038 esac
1039 LDCONFIG="echo ignoring ldconfig"
1040 SHFLAGS=-nostart
1041 # disable Linux things
1042 dv1394="no"
1043 # enable BeOS things
1044 disabled audio_beos || enable_audio_beos
1045 # no need for libm, but the inet stuff
1046 # Check for BONE
1047 # XXX: actually should check for NOT net_server
1048 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1049 osextralibs="-lbind -lsocket"
1050 else
1051 beos_netserver="yes"
1052 osextralibs="-lnet"
1053 fi ;;
1054 sunos)
1055 dv1394="no"
1056 FFLDFLAGS=""
1057 FFSERVERLDFLAGS=""
1058 SHFLAGS="-shared -Wl,-h,\$@"
1059 add_extralibs "-lsocket -lnsl"
1060 ;;
1061 netbsd)
1062 dv1394="no"
1063 add_extralibs "-lossaudio"
1064 ;;
1065 openbsd)
1066 dv1394="no"
1067 need_memalign="no"
1068 LIBOBJFLAGS="\$(PIC)"
1069 LDCONFIG="ldconfig -m \$(shlibdir)"
1070 SHFLAGS='-shared'
1071 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1072 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1073 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1074 add_extralibs "-lossaudio"
1075 ;;
1076 freebsd)
1077 dv1394="no"
1078 need_memalign="no"
1079 add_cflags "-pthread"
1080 ;;
1081 gnu/kfreebsd)
1082 dv1394="no"
1083 add_cflags "-pthread"
1084 ;;
1085 bsd/os)
1086 dv1394="no"
1087 osextralibs="-lpoll -lgnugetopt -lm"
1088 strip="strip -d"
1089 ;;
1090 darwin)
1091 dv1394="no"
1092 need_memalign="no"
1093 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1094 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1095 osextralibs=""
1096 strip="strip -x"
1097 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1098 SLIBSUF=".dylib"
1099 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1100 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1101 FFSERVERLDFLAGS=-Wl,-bind_at_load
1102 ;;
1103 mingw32*)
1104 targetos=mingw32
1105 if enabled_all shared static; then
1106 cat <<EOF
1107 You can only build one library type at once on MinGW.
1108 Specify --disable-static --enable-shared to only build
1109 the shared libraries. To build only the static libraries
1110 you do not need to pass additional options.
1111 EOF
1112 exit 1
1113 fi
1114 dv1394="no"
1115 ffserver="no"
1116 network="no"
1117 if enabled wince; then
1118 protocols="no"
1119 fi
1120 SLIBPREF=""
1121 SLIBSUF=".dll"
1122 EXESUF=".exe"
1123 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1124 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1125 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1126 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1127 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1128 add_extralibs -lws2_32
1129 ;;
1130 cygwin*)
1131 targetos=CYGWIN
1132 shlibdir="$bindir"
1133 dv1394="no"
1134 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1135 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1136 osextralibs=""
1137 EXESUF=".exe"
1138 SLIBPREF="cyg"
1139 SLIBSUF=".dll"
1140 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1141 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1142 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1143 ;;
1144 linux)
1145 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1146 ;;
1147 irix*)
1148 targetos=IRIX
1149 ranlib="echo ignoring ranlib"
1150 ;;
1151 os/2)
1152 TMPE=$TMPE".exe"
1153 ar="emxomfar -p128"
1154 ranlib="echo ignoring ranlib"
1155 strip="echo ignoring strip"
1156 add_cflags "-Zomf"
1157 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1158 SHFLAGS="-Zdll -Zomf"
1159 FFSERVERLDFLAGS=""
1160 LIBPREF=""
1161 LIBSUF=".lib"
1162 SLIBPREF=""
1163 SLIBSUF=".dll"
1164 EXESUF=".exe"
1165 osextralibs=""
1166 pkg_requires=""
1167 dv1394="no"
1168 ffserver="no"
1169 vhook="no"
1170 os2="yes"
1171 ;;
1172 *)
1173 targetos="${targetos}-UNKNOWN"
1174 ;;
1175 esac
1176
1177 add_extralibs $osextralibs
1178
1179 if ! disabled logging ; then
1180 enabled logging || logfile="$logging"
1181 echo "# $0 $@" >$logfile
1182 set >>$logfile
1183 else
1184 logfile=/dev/null
1185 fi
1186
1187 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1188 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1189
1190 test -n "$cross_prefix" && cross_compile=yes
1191 cc="${cross_prefix}${cc}"
1192 ar="${cross_prefix}${ar}"
1193 ranlib="${cross_prefix}${ranlib}"
1194 strip="${cross_prefix}${strip}"
1195
1196 # Disable core dumps so that intentional execution of broken apps doesn't
1197 # pollute the current directory.
1198 ulimit -c 0
1199
1200 # we need to build at least one lib type
1201 if disabled_all static shared; then
1202 cat <<EOF
1203 At least one library type must be built.
1204 Specify --enable-static to build the static libraries or --enable-shared to
1205 build the shared libraries as well. To only build the shared libraries specify
1206 --disable-static in addition to --enable-shared.
1207 EOF
1208 exit 1;
1209 fi
1210
1211 if disabled libogg; then
1212 enabled libtheora && die "libogg must be enabled to enable libtheora."
1213 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1214 fi
1215
1216 if enabled_any libfaad libfaadbin ; then
1217 if check_header faad.h; then
1218 check_cc << EOF
1219 #include <faad.h>
1220 #ifndef FAAD2_VERSION
1221 ok faad1
1222 #endif
1223 int main( void ) { return 0; }
1224 EOF
1225 test $? = 0 && enable libfaad2
1226 else
1227 die "FAAD test failed."
1228 fi
1229 fi
1230
1231
1232 if disabled gpl ; then
1233 die_gpl_disabled(){
1234 name=$1
1235 shift
1236 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1237 }
1238 die_gpl_disabled "The Postprocessing code" pp
1239 die_gpl_disabled "liba52" liba52
1240 die_gpl_disabled "libxvidcore" xvid
1241 die_gpl_disabled "x264" x264
1242 die_gpl_disabled "libdts" libdts
1243 die_gpl_disabled "FAAD2" libfaad2
1244 die_gpl_disabled "The X11 grabber" x11grab
1245 die_gpl_disabled "The software scaler" swscaler
1246 fi
1247
1248 # compute MMX state
1249 if test $mmx = "default"; then
1250 if test $arch = "x86_32" -o $arch = "x86_64"; then
1251 mmx="yes"
1252 else
1253 mmx="no"
1254 fi
1255 fi
1256
1257 test -z "$need_memalign" && need_memalign="$mmx"
1258
1259 #Darwin CC versions
1260 needmdynamicnopic="no"
1261 if test $targetos = Darwin; then
1262 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1263 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1264 else
1265 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1266 case "$gcc_version" in
1267 *2.95*)
1268 add_cflags "-no-cpp-precomp -pipe"
1269 ;;
1270 *[34].*)
1271 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1272 if disabled shared; then
1273 needmdynamicnopic="yes"
1274 fi
1275 ;;
1276 *)
1277 add_cflags "-no-cpp-precomp -pipe"
1278 if disabled shared; then
1279 needmdynamicnopic="yes"
1280 fi
1281 ;;
1282 esac
1283 fi
1284 fi
1285
1286 disabled optimize || add_cflags -fomit-frame-pointer
1287
1288 # Can only do AltiVec on PowerPC
1289 if test $altivec = "default"; then
1290 if test $arch = "powerpc"; then
1291 altivec="yes"
1292 else
1293 altivec="no"
1294 fi
1295 fi
1296
1297 # Add processor-specific flags
1298 POWERPCMODE="32bits"
1299 if test $cpu != "generic"; then
1300 warn_altivec(){
1301 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1302 }
1303 case $cpu in
1304 601|ppc601|PowerPC601)
1305 add_cflags "-mcpu=601"
1306 warn_altivec enabled PPC601
1307 ;;
1308 603*|ppc603*|PowerPC603*)
1309 add_cflags "-mcpu=603"
1310 warn_altivec enabled PPC603
1311 ;;
1312 604*|ppc604*|PowerPC604*)
1313 add_cflags "-mcpu=604"
1314 warn_altivec enabled PPC604
1315 ;;
1316 G3|g3|75*|ppc75*|PowerPC75*)
1317 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1318 warn_altivec enabled PPC75x
1319 ;;
1320 G4|g4|745*|ppc745*|PowerPC745*)
1321 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1322 warn_altivec disabled PPC745x
1323 ;;
1324 74*|ppc74*|PowerPC74*)
1325 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1326 warn_altivec disabled PPC74xx
1327 ;;
1328 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1329 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1330 warn_altivec disabled PPC970
1331 POWERPCMODE="64bits"
1332 ;;
1333 # targets that do NOT support conditional mov (cmov)
1334 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1335 add_cflags "-march=$cpu"
1336 cmov="no"
1337 ;;
1338 # targets that do support conditional mov (cmov)
1339 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1340 add_cflags "-march=$cpu"
1341 cmov="yes"
1342 fast_cmov="yes"
1343 ;;
1344 # targets that do support conditional mov but on which it's slow
1345 pentium4|prescott|nocona)
1346 add_cflags "-march=$cpu"
1347 cmov="yes"
1348 fast_cmov="no"
1349 ;;
1350 sparc64)
1351 add_cflags "-mcpu=v9"
1352 ;;
1353 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1354 add_cflags "-mfdpic"
1355 add_ldflags "-mfdpic"
1356 ;;
1357 *)
1358 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1359 ;;
1360 esac
1361 fi
1362
1363 gnu_make(){
1364 $1 --version 2>&1 | grep -q GNU
1365 }
1366
1367 if ! gnu_make $make; then
1368 gnu_make gmake && make=gmake || die "GNU make not found."
1369 fi
1370
1371 # make sure we can execute files in $TMPDIR
1372 cat >$TMPE 2>>$logfile <<EOF
1373 #! /bin/sh
1374 EOF
1375 chmod +x $TMPE >>$logfile 2>&1
1376 if ! $TMPE >>$logfile 2>&1; then
1377 cat <<EOF
1378 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1379 variable to another directory and make sure that $TMPDIR1 is not mounted
1380 noexec.
1381 EOF
1382 die "Sanity test failed."
1383 fi
1384 rm $TMPE
1385
1386 # compiler sanity check
1387 check_exec <<EOF
1388 int main(){
1389 return 0;
1390 }
1391 EOF
1392 if test "$?" != 0; then
1393 echo "$cc is unable to create an executable file."
1394 if test -z "$cross_prefix" && disabled cross_compile ; then
1395 echo "If $cc is a cross-compiler, use the --cross-compile option."
1396 echo "Only do this if you know what cross compiling means."
1397 fi
1398 die "C compiler test failed."
1399 fi
1400
1401 if test $arch = "x86_32" -o $arch = "x86_64"; then
1402 if test "$targetos" = "mingw32" -o "$targetos" = "CYGWIN"; then
1403 cat <<EOF
1404 WARNING: The following test might cause a testapp to crash (intentionally)
1405 resulting in the appearance of a dialog box. Please click "Don't send" and
1406 ignore it.
1407 EOF
1408 fi
1409
1410 # check whether EBP is available on x86
1411 # As 'i' is stored on the stack, this program will crash
1412 # if the base pointer is used to access it because the
1413 # base pointer is cleared in the inline assembly code.
1414 check_exec <<EOF && enable ebp_available
1415 int main(){
1416 volatile int i=0;
1417 asm volatile (
1418 "xorl %%ebp, %%ebp"
1419 ::: "%ebp");
1420 return i;
1421 }
1422 EOF
1423
1424 # check wether EBX is available on x86
1425 check_cc <<EOF && enable ebx_available
1426 int main(){
1427 asm volatile ("":::"%ebx");
1428 }
1429 EOF
1430 fi
1431
1432 # check for assembler specific support
1433
1434 if test $arch = "powerpc"; then
1435 check_cc <<EOF && dcbzl=yes
1436 int main(void) {
1437 register long zero = 0;
1438 char data[1024];
1439 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1440 return 0;
1441 }
1442 EOF
1443 fi
1444
1445 # check for SIMD availability
1446
1447 # AltiVec flags: The FSF version of GCC differs from the Apple version
1448 if test $arch = "powerpc"; then
1449 if enabled altivec; then
1450 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1451 add_cflags "-faltivec"
1452 else
1453 add_cflags "-maltivec -mabi=altivec"
1454 fi
1455 fi
1456 fi
1457
1458 check_header altivec.h
1459
1460 # check if our compiler supports Motorola AltiVec C API
1461 if enabled altivec; then
1462 if enabled altivec_h; then
1463 inc_altivec_h="#include <altivec.h>"
1464 else
1465 inc_altivec_h=
1466 fi
1467 check_cc <<EOF || altivec=no
1468 $inc_altivec_h
1469 int main(void) {
1470 vector signed int v1, v2, v3;
1471 v1 = vec_add(v2,v3);
1472 return 0;
1473 }
1474 EOF
1475 fi
1476
1477 # check armv5te instructions support
1478 if test $armv5te = "default" -a $arch = "armv4l"; then
1479 armv5te=no
1480 check_cc <<EOF && armv5te=yes
1481 int main(void) {
1482 __asm__ __volatile__ ("qadd r0, r0, r0");
1483 }
1484 EOF
1485 fi
1486
1487 if test $armv6 = "default" -a $arch = "armv4l"; then
1488 check_cc <<EOF && armv6=yes || armv6=no
1489 int main(void) {
1490 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1491 }
1492 EOF
1493 fi
1494
1495 # check iwmmxt support
1496 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1497 iwmmxt=no
1498 check_cc <<EOF && iwmmxt=yes
1499 int main(void) {
1500 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1501 }
1502 EOF
1503 fi
1504
1505 # mmi only available on mips
1506 if test $mmi = "default"; then
1507 if test $arch = "mips"; then
1508 mmi="yes"
1509 else
1510 mmi="no"
1511 fi
1512 fi
1513
1514 # check if our compiler supports mmi
1515 enabled mmi && check_cc <<EOF || mmi="no"
1516 int main(void) {
1517 __asm__ ("lq \$2, 0(\$2)");
1518 return 0;
1519 }
1520 EOF
1521
1522 # ---
1523 # big/little-endian test
1524 if disabled cross_compile; then
1525 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1526 #include <inttypes.h>
1527 int main(int argc, char ** argv){
1528 volatile uint32_t i=0x01234567;
1529 return (*((uint8_t*)(&i))) == 0x67;
1530 }
1531 EOF
1532 else
1533 # programs cannot be launched if cross compiling, so make a static guess
1534 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1535 bigendian="yes"
1536 fi
1537 fi
1538
1539 # ---
1540 # check availability of some header files
1541
1542 check_header malloc.h
1543 check_func memalign
1544
1545 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1546 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1547 fi
1548
1549 check_header byteswap.h
1550
1551 check_header arpa/inet.h
1552
1553 check_func inet_aton
1554 check_func localtime_r
1555 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1556
1557 # ffserver uses poll(),
1558 # if it's not found we can emulate it using select().
1559 if enabled ffserver; then
1560 check_header sys/poll.h
1561 fi
1562
1563 # check for some common methods of building with pthread support
1564 # do this before the optional library checks as some of them require pthreads
1565 if enabled pthreads; then
1566 if check_func pthread_create; then
1567 :
1568 elif check_func pthread_create -pthread; then
1569 add_cflags -pthread
1570 add_ldflags -pthread
1571 elif check_func pthread_create -pthreads; then
1572 add_cflags -pthreads
1573 add_ldflags -pthreads
1574 elif ! check_lib pthread.h pthread_create -lpthread; then
1575 die "ERROR: can't find pthreads library"
1576 fi
1577 fi
1578
1579 for thread in $THREADS_LIST; do
1580 if enabled $thread; then
1581 if ! disabled thread_type ; then
1582 die "ERROR: Only one thread type must be selected."
1583 else
1584 thread_type="$thread"
1585 fi
1586 fi
1587 done
1588
1589 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1590 enabled_all amr_nb amr_nb_fixed &&
1591 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1592
1593 # these are off by default, so fail if requested and not available
1594 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1595 enabled libdts && require libdts dts.h dts_init -ldts -lm
1596 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1597 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1598 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1599 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1600 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1601 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1602 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1603 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1604 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1605 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1606 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1607 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1608 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1609
1610 # test for lrintf in math.h
1611 check_exec <<EOF && lrintf=yes || lrintf=no
1612 #define _ISOC9X_SOURCE 1
1613 #include <math.h>
1614 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1615 EOF
1616
1617 _restrict=
1618 for restrict_keyword in restrict __restrict__ __restrict; do
1619 check_cc <<EOF && _restrict=$restrict_keyword && break
1620 void foo(char * $restrict_keyword p);
1621 EOF
1622 done
1623
1624 # dlopen/dlfcn.h probing
1625
1626 check_header dlfcn.h
1627
1628 if check_func dlopen; then
1629 ldl=
1630 elif check_func dlopen -ldl; then
1631 ldl=-ldl
1632 fi
1633
1634 test "$vhook" = "default" && vhook="$dlopen"
1635
1636 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1637
1638 if test "$targetos" = "CYGWIN" && enabled static ; then
1639 vhook="no"
1640 echo
1641 echo "At the moment vhooks don't work on Cygwin static builds."
1642 echo "Patches welcome."
1643 echo
1644 fi
1645
1646 if enabled vhook; then
1647 check_ldflags -rdynamic
1648 check_ldflags -export-dynamic
1649 fi
1650
1651 enabled audio_beos && add_extralibs "-lmedia -lbe"
1652
1653 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1654 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1655
1656 ##########################################
1657 # SDL check
1658
1659 sdl_too_old=no
1660 sdl=no
1661 SDL_CONFIG="${cross_prefix}sdl-config"
1662 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1663 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1664 temp_cflags $sdl_cflags
1665 temp_extralibs `"${SDL_CONFIG}" --libs`
1666 if check_lib SDL.h SDL_Init; then
1667 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1668 if test "$_sdlversion" -lt 121 ; then
1669 sdl_too_old=yes
1670 else
1671 sdl=yes
1672 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1673 #include <SDL.h>
1674 int main(void){
1675 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1676 int w = vi->current_w;
1677 return 0;
1678 }
1679 EOF
1680 fi
1681 fi
1682 restore_flags
1683 fi
1684
1685 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1686
1687 ##########################################
1688 # IPv6 check
1689
1690 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1691 #include <sys/types.h>
1692 #include <sys/socket.h>
1693 #include <netinet/in.h>
1694 #include <netdb.h>
1695 int main( void ) {
1696 struct sockaddr_storage saddr;
1697 struct ipv6_mreq mreq6;
1698 getaddrinfo(0,0,0,0);
1699 getnameinfo(0,0,0,0,0,0,0);
1700 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1701 }
1702 EOF
1703
1704 enabled v4l && check_header linux/videodev.h || disable v4l
1705 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1706
1707 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1708 if enabled bktr; then
1709 { check_header dev/bktr/ioctl_meteor.h &&
1710 check_header dev/bktr/ioctl_bt848.h; } ||
1711 { check_header machine/ioctl_meteor.h &&
1712 check_header machine/ioctl_bt848.h; } ||
1713 { check_header dev/video/meteor/ioctl_meteor.h &&
1714 check_header dev/video/bktr/ioctl_bt848.h; } ||
1715 check_header dev/ic/bt8xx.h ||
1716 disable bktr
1717 fi
1718
1719 enabled audio_oss &&
1720 check_header sys/soundcard.h ||
1721 check_header soundcard.h ||
1722 disable audio_oss
1723
1724 # Deal with the x11 frame grabber
1725 enabled x11grab &&
1726 enabled gpl &&
1727 enabled x11_grab_device_demuxer &&
1728 check_header X11/Xlib.h &&
1729 check_header X11/extensions/XShm.h &&
1730 check_func XOpenDisplay -lX11 &&
1731 check_func XShmCreateImage -lX11 -lXext &&
1732 add_extralibs -lX11 -lXext ||
1733 disable x11_grab_device_demuxer
1734
1735 enabled debug && add_cflags -g
1736
1737 # add some useful compiler flags if supported
1738 check_cflags -Wdeclaration-after-statement
1739 check_cflags -Wall
1740 check_cflags -Wno-switch
1741 check_cflags -Wdisabled-optimization
1742 check_cflags -Wpointer-arith
1743 check_cflags -Wredundant-decls
1744 check_cflags -Wno-pointer-sign
1745 enabled extra_warnings && check_cflags -Winline
1746
1747 # add some linker flags
1748 check_ldflags $LDLATEFLAGS
1749
1750 # not all compilers support -Os
1751 test "$optimize" = "small" && check_cflags -Os
1752
1753 if enabled optimize; then
1754 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1755 add_cflags "-O5"
1756 add_ldflags "-O5"
1757 else
1758 add_cflags "-O3"
1759 fi
1760 fi
1761
1762 # PIC flags for shared library objects where they are needed
1763 if enabled shared; then
1764 # LIBOBJFLAGS may have already been set in the OS configuration
1765 if test -z "$LIBOBJFLAGS" ; then
1766 case "$arch" in
1767 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1768 esac
1769 fi
1770 fi
1771
1772 if enabled gprof; then
1773 add_cflags "-p"
1774 add_ldflags "-p"
1775 fi
1776
1777 VHOOKCFLAGS="-fPIC $CFLAGS"
1778 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1779
1780 # find if .align arg is power-of-two or not
1781 if test $asmalign_pot = "unknown"; then
1782 asmalign_pot="no"
1783 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1784 fi
1785
1786 enabled_any $ENCODER_LIST && enable encoders
1787 enabled_any $DECODER_LIST && enable decoders
1788 enabled_any $MUXER_LIST && enable muxers
1789 enabled_any $DEMUXER_LIST && enable demuxers
1790
1791 enabled_any $THREADS_LIST && enable threads
1792
1793 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1794 $DEMUXER_LIST $MUXER_LIST
1795
1796 enabled libogg && append pkg_requires "ogg >= 1.1"
1797 enabled libtheora && append pkg_requires "theora"
1798 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1799 enabled dc1394 && append pkg_requires "libraw1394"
1800
1801 echo "install prefix $PREFIX"
1802 echo "source path $source_path"
1803 echo "C compiler $cc"
1804 echo "make $make"
1805 echo ".align is power-of-two $asmalign_pot"
1806 echo "ARCH $arch ($cpu)"
1807 if test "$BUILDSUF" != ""; then
1808 echo "build suffix $BUILDSUF"
1809 fi
1810 echo "big-endian $bigendian"
1811 if test $arch = "x86_32" -o $arch = "x86_64"; then
1812 echo "MMX enabled $mmx"
1813 echo "CMOV enabled $cmov"
1814 echo "CMOV is fast $fast_cmov"
1815 fi
1816 if test $arch = "armv4l"; then
1817 echo "ARMv5TE enabled $armv5te"
1818 echo "ARMv6 enabled $armv6"
1819 echo "IWMMXT enabled $iwmmxt"
1820 fi
1821 if test $arch = "mips"; then
1822 echo "MMI enabled $mmi"
1823 fi
1824 if test $arch = "powerpc"; then
1825 echo "AltiVec enabled $altivec"
1826 echo "dcbzl available $dcbzl"
1827 fi
1828 echo "gprof enabled $gprof"
1829 echo "debug symbols $debug"
1830 echo "strip symbols $dostrip"
1831 echo "optimize $optimize"
1832 echo "static $static"
1833 echo "shared $shared"
1834 echo "postprocessing support $pp"
1835 echo "software scaler enabled $swscaler"
1836 echo "video hooking $vhook"
1837 if enabled vhook; then
1838 echo "Imlib2 support $imlib2"
1839 echo "FreeType support $freetype2"
1840 fi
1841 echo "network support $network"
1842 if enabled network; then
1843 echo "IPv6 support $ipv6"
1844 fi
1845 echo "threading support $thread_type"
1846 echo "SDL support $sdl"
1847 if enabled sdl_too_old; then
1848 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1849 fi
1850 echo "Sun medialib support $mlib"
1851 echo "AVISynth enabled $avisynth"
1852 echo "liba52 support $liba52"
1853 echo "liba52 dlopened $liba52bin"
1854 echo "libdts support $libdts"
1855 echo "libfaac enabled $libfaac"
1856 echo "libfaad enabled $libfaad"
1857 echo "faadbin enabled $libfaadbin"
1858 echo "libgsm enabled $libgsm"
1859 echo "libmp3lame enabled $libmp3lame"
1860 echo "libnut enabled $libnut"
1861 echo "libogg enabled $libogg"
1862 echo "libtheora enabled $libtheora"
1863 echo "libvorbis enabled $libvorbis"
1864 echo "x264 enabled $x264"
1865 echo "XviD enabled $xvid"
1866 echo "zlib enabled $zlib"
1867 echo "AMR-NB float support $amr_nb"
1868 echo "AMR-NB fixed support $amr_nb_fixed"
1869 echo "AMR-WB float support $amr_wb"
1870 echo "AMR-WB IF2 support $amr_if2"
1871 if disabled gpl; then
1872 echo "License: LGPL"
1873 else
1874 echo "License: GPL"
1875 fi
1876
1877 echo "Creating config.mak and config.h..."
1878
1879 echo "# Automatically generated by configure - do not modify!" > config.mak
1880 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1881 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1882
1883 echo "PREFIX=$PREFIX" >> config.mak
1884 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1885 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1886 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1887 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1888 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1889 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1890 echo "MAKE=$make" >> config.mak
1891 echo "CC=$cc" >> config.mak
1892 echo "AR=$ar" >> config.mak
1893 echo "RANLIB=$ranlib" >> config.mak
1894 if enabled dostrip; then
1895 echo "STRIP=$strip" >> config.mak
1896 else
1897 echo "STRIP=echo ignoring strip" >> config.mak
1898 fi
1899
1900 echo "OPTFLAGS=$CFLAGS" >> config.mak
1901 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1902 echo "LDFLAGS=$LDFLAGS" >> config.mak
1903 echo "LDCONFIG=$LDCONFIG" >> config.mak
1904 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1905 echo "SHFLAGS=$SHFLAGS" >> config.mak
1906 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1907 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1908 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1909 echo "BUILD_STATIC=$static" >> config.mak
1910 echo "BUILDSUF=$BUILDSUF" >> config.mak
1911 echo "LIBPREF=$LIBPREF" >> config.mak
1912 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1913 if enabled static; then
1914 echo "LIB=$LIB" >> config.mak
1915 else # Some Make complain if this variable does not exist.
1916 echo "LIB=" >> config.mak
1917 fi
1918 echo "SLIBPREF=$SLIBPREF" >> config.mak
1919 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1920 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1921
1922 ucarch=`toupper $arch`
1923 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1924 echo "#define ARCH_${ucarch} 1" >> $TMPH
1925
1926 # special cases
1927 case "$arch" in
1928 x86_32|x86_64)
1929 echo "TARGET_ARCH_X86=yes" >> config.mak
1930 echo "#define ARCH_X86 1" >> $TMPH
1931 ;;
1932 powerpc)
1933 if test "$POWERPCMODE" = "64bits"; then
1934 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1935 fi
1936 ;;
1937 sparc64)
1938 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1939 echo "#define ARCH_SPARC 1" >> $TMPH
1940 ;;
1941 esac
1942
1943 if enabled bigendian; then
1944 echo "WORDS_BIGENDIAN=yes" >> config.mak
1945 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1946 fi
1947 if enabled mmx; then
1948 echo "#define __CPU__ 586" >> $TMPH
1949 fi
1950
1951 if enabled sdl; then
1952 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1953 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1954 fi
1955 if enabled texi2html; then
1956 echo "BUILD_DOC=yes" >> config.mak
1957 fi
1958
1959 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1960 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1961 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1962 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1963 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1964
1965
1966
1967 if enabled shared; then
1968 echo "BUILD_SHARED=yes" >> config.mak
1969 echo "PIC=-fPIC -DPIC" >> config.mak
1970 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1971 echo "SPPVERSION=$pp_version" >> config.mak
1972 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1973 echo "LAVCVERSION=$lavc_version" >> config.mak
1974 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1975 echo "LAVFVERSION=$lavf_version" >> config.mak
1976 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1977 echo "LAVUVERSION=$lavu_version" >> config.mak
1978 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1979 echo "SWSVERSION=$sws_version" >> config.mak
1980 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1981 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1982 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1983 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1984 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1985 fi
1986 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1987 echo "EXTRALIBS=$extralibs" >> config.mak
1988
1989 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1990 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1991 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1992
1993 if test "$targetos" = "Darwin"; then
1994 echo "#define CONFIG_DARWIN 1" >> $TMPH
1995 fi
1996
1997 echo "#define restrict $_restrict" >> $TMPH
1998
1999 if test "$optimize" = "small"; then
2000 echo "#define always_inline" >> $TMPH
2001 echo "#define CONFIG_SMALL 1" >> $TMPH
2002 fi
2003
2004 echo "SRC_PATH=\"$source_path\"" >> config.mak
2005 echo "SRC_PATH_BARE=$source_path" >> config.mak
2006 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2007
2008 if enabled amr_if2; then
2009 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2010 fi
2011
2012 # Apparently it's not possible to portably echo a backslash.
2013 if enabled asmalign_pot; then
2014 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2015 else
2016 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2017 fi
2018
2019
2020 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2021 ucname="`toupper $codec`"
2022 config_name="CONFIG_$ucname"
2023 enabled_name="ENABLE_$ucname"
2024 if enabled $codec; then
2025 echo "#define $config_name 1" >> $TMPH
2026 echo "#define $enabled_name 1" >> $TMPH
2027 echo "$config_name=yes" >> config.mak
2028 else
2029 echo "#define $enabled_name 0" >> $TMPH
2030 fi
2031 done
2032
2033 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2034 if ! cmp -s $TMPH config.h; then
2035 mv -f $TMPH config.h
2036 else
2037 echo "config.h is unchanged"
2038 fi
2039
2040 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2041
2042 # build tree in object directory if source path is different from current one
2043 if enabled source_path_used; then
2044 DIRS="\
2045 doc \
2046 libavformat \
2047 libavcodec \
2048 libavcodec/alpha \
2049 libavcodec/armv4l \
2050 libavcodec/bfin \
2051 libavcodec/i386 \
2052 libavcodec/sparc \
2053 libavcodec/mlib \
2054 libavcodec/ppc \
2055 libavcodec/amr \
2056 libavcodec/amr_float \
2057 libavcodec/amrwb_float \
2058 libpostproc \
2059 libavutil \
2060 libswscale \
2061 tests \
2062 vhook \
2063 "
2064 FILES="\
2065 Makefile \
2066 common.mak \
2067 libavformat/Makefile \
2068 libavcodec/Makefile \
2069 libpostproc/Makefile \
2070 libavutil/Makefile \
2071 libswscale/Makefile \
2072 tests/Makefile \
2073 vhook/Makefile \
2074 doc/Makefile \
2075 doc/texi2pod.pl \
2076 "
2077 for dir in $DIRS ; do
2078 mkdir -p $dir
2079 done
2080 for f in $FILES ; do
2081 ln -sf "$source_path/$f" $f
2082 done
2083 fi
2084
2085
2086 # build pkg-config files
2087 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2088
2089 pkgconfig_generate(){
2090 name=$1
2091 comment=$2
2092 version=$3
2093 libs=$4
2094 requires=$5
2095 include=$6
2096 cat <<EOF >$name.pc
2097 prefix=$PREFIX
2098 exec_prefix=\${prefix}
2099 libdir=\${exec_prefix}/lib
2100 includedir=\${prefix}/include
2101
2102 Name: $name
2103 Description: $comment
2104 Version: $version
2105 Requires: $requires
2106 Conflicts:
2107 Libs: -L\${libdir} $libs
2108 Cflags: -I\${includedir} -I\${includedir}/$include
2109 EOF
2110 }
2111
2112 pkgconfig_generate_uninstalled(){
2113 name=$1
2114 shortname=${name#lib}
2115 comment=$2
2116 version=$3
2117 libs=$4
2118 requires=$5
2119 cat <<EOF >$name-uninstalled.pc
2120 prefix=
2121 exec_prefix=
2122 libdir=\${pcfiledir}/$name
2123 includedir=\${pcfiledir}/$name
2124
2125 Name: $name
2126 Description: $comment
2127 Version: $version
2128 Requires: $requires
2129 Conflicts:
2130 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2131 Cflags: -I\${includedir}
2132 EOF
2133 }
2134
2135 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2136 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2137
2138 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2139 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2140
2141 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2142 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2143
2144 if enabled pp; then
2145 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2146 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2147 fi
2148
2149 if enabled swscaler; then
2150 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2151 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2152 else
2153 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2154 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2155 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2156 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2157 fi