generic foo-config --cflags/libs test
[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 float audio codec"
103 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
104 echo " --enable-amr_wb enable amr_wb float 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 ffmpeg
546 ffplay
547 ffserver
548 gpl
549 gprof
550 ipv6
551 liba52
552 liba52bin
553 libdts
554 libfaac
555 libfaad
556 libfaadbin
557 libgsm
558 libmp3lame
559 libnut
560 libogg
561 libtheora
562 libvorbis
563 memalign_hack
564 mpegaudio_hp
565 network
566 powerpc_perf
567 pp
568 protocols
569 swscaler
570 vhook
571 v4l
572 v4l2
573 wince
574 x11grab
575 x264
576 xvid
577 zlib
578 '
579
580 HAVE_LIST='
581 altivec
582 altivec_h
583 armv5te
584 armv6
585 beosthreads
586 byteswap_h
587 cmov
588 dcbzl
589 dev_bktr_ioctl_bt848_h
590 dev_bktr_ioctl_meteor_h
591 dev_ic_bt8xx_h
592 dev_video_meteor_ioctl_meteor_h
593 dev_video_bktr_ioctl_bt848_h
594 dlfcn_h
595 dlopen
596 fast_cmov
597 freetype2
598 imlib2
599 inet_aton
600 iwmmxt
601 localtime_r
602 lrintf
603 machine_ioctl_bt848_h
604 machine_ioctl_meteor_h
605 malloc_h
606 memalign
607 mlib
608 mmi
609 mmx
610 os2
611 os2threads
612 pthreads
613 sdl
614 sdl_video_size
615 soundcard_h
616 sys_poll_h
617 sys_soundcard_h
618 threads
619 w32threads
620 '
621
622 TARGET_LIST='
623 altivec
624 armv5te
625 armv6
626 iwmmxt
627 mmi
628 mmx
629 '
630
631 CMDLINE_SELECT="
632 $CONFIG_LIST
633 $TARGET_LIST
634 amr_if2
635 debug
636 extra_warnings
637 shared
638 static
639 beosthreads
640 os2threads
641 pthreads
642 w32threads
643 "
644
645 flashsv_decoder_deps="zlib"
646 flashsv_encoder_deps="zlib"
647 mpeg_xvmc_decoder_deps="xvmc"
648 png_decoder_deps="zlib"
649 png_encoder_deps="zlib"
650 x264_encoder_deps="x264"
651 xvid_encoder_deps="xvid"
652 zmbv_decoder_deps="zlib"
653 zmbv_encoder_deps="zlib"
654
655 aac_decoder_deps="libfaad"
656 mpeg4aac_decoder_deps="libfaad"
657 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
658 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
659 amr_wb_decoder_deps="amr_wb"
660 amr_wb_encoder_deps="amr_wb"
661 dts_decoder_deps="libdts"
662 faac_encoder_deps="libfaac"
663 liba52_decoder_deps="liba52"
664 libgsm_decoder_deps="libgsm"
665 libgsm_encoder_deps="libgsm"
666 libtheora_encoder_deps="libtheora"
667 mp3lame_encoder_deps="libmp3lame"
668 oggvorbis_decoder_deps="libvorbis"
669 oggvorbis_encoder_deps="libvorbis"
670
671 audio_demuxer_deps_any="audio_oss audio_beos"
672 audio_muxer_deps_any="audio_oss audio_beos"
673 dc1394_demuxer_deps="dc1394"
674 dv1394_demuxer_deps="dv1394"
675 gxf_muxer_deps="gpl"
676 libnut_demuxer_deps="libnut"
677 libnut_muxer_deps="libnut"
678 ogg_muxer_deps="libogg"
679 redir_demuxer_deps="network"
680 rtp_muxer_deps="network"
681 rtsp_demuxer_deps="network"
682 sdp_demuxer_deps="network"
683 v4l2_demuxer_deps="v4l2"
684 video_grab_device_demuxer_deps_any="v4l bktr"
685 x11_grab_device_demuxer_deps="x11grab"
686
687 ffplay_deps="sdl"
688 ffserver_deps="network protocols muxers"
689 network_deps="protocols"
690
691 # set temporary file name
692 if test ! -z "$TMPDIR" ; then
693 TMPDIR1="${TMPDIR}"
694 elif test ! -z "$TEMPDIR" ; then
695 TMPDIR1="${TEMPDIR}"
696 else
697 TMPDIR1="/tmp"
698 fi
699
700 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
701 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
702 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
703 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
704 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
705
706 # default parameters
707
708 logging="yes"
709 logfile="config.err"
710
711 # installation paths
712 PREFIX="/usr/local"
713 libdir='${PREFIX}/lib'
714 shlibdir="$libdir"
715 incdir='${PREFIX}/include/ffmpeg'
716 mandir='${PREFIX}/man'
717 bindir='${PREFIX}/bin'
718
719 # toolchain
720 cross_prefix=""
721 cross_compile="no"
722 cc="gcc"
723 ar="ar"
724 ranlib="ranlib"
725 make="make"
726 strip="strip"
727 asmalign_pot="unknown"
728
729 # machine
730 arch=`uname -m`
731 cpu="generic"
732 powerpc_perf="no"
733 mmx="default"
734 cmov="no"
735 fast_cmov="no"
736 armv5te="default"
737 armv6="default"
738 iwmmxt="default"
739 altivec="default"
740 dcbzl="no"
741 mmi="default"
742 bigendian="no"
743
744 # OS
745 targetos=`uname -s`
746 beos_netserver="no"
747 mingw32="no"
748 os2="no"
749 wince="no"
750
751 # non-library system interfaces
752 audio_beos="default"
753 audio_oss="yes"
754 bktr="yes"
755 dv1394="yes"
756 v4l2="yes"
757 v4l="yes"
758
759 # libraries
760 amr_if2="no"
761 amr_nb="no"
762 amr_nb_fixed="no"
763 amr_wb="no"
764 avisynth="no"
765 dc1394="no"
766 dlfcn_h="no"
767 dlopen="no"
768 liba52="no"
769 liba52bin="no"
770 libdts="no"
771 libfaac="no"
772 libfaad2="no"
773 libfaad="no"
774 libfaadbin="no"
775 libgsm="no"
776 libmp3lame="no"
777 libnut="no"
778 libogg="no"
779 libtheora="no"
780 libvorbis="no"
781 mlib="no"
782 x11grab="no"
783 x264="no"
784 xvid="no"
785 zlib="yes"
786
787 # configurable options
788 debug="yes"
789 dostrip="yes"
790 extra_warnings="no"
791 ffmpeg="yes"
792 ffplay="yes"
793 ffserver="yes"
794 gpl="no"
795 gprof="no"
796 ipv6="yes"
797 shared="no"
798 static="yes"
799 memalign_hack="no"
800 mpegaudio_hp="yes"
801 network="yes"
802 optimize="yes"
803 pp="no"
804 protocols="yes"
805 swscaler="no"
806 vhook="default"
807
808 # threading
809 beosthreads="no"
810 os2threads="no"
811 pthreads="no"
812 w32threads="no"
813 thread_type="no"
814
815 # build settings
816 SHFLAGS='-shared -Wl,-soname,$@'
817 VHOOKSHFLAGS='$(SHFLAGS)'
818 LIBOBJFLAGS=""
819 FFLDFLAGS=-Wl,--warn-common
820 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
821 FFSERVERLDFLAGS=-Wl,-E
822 LDCONFIG="ldconfig"
823 LIBPREF="lib"
824 LIBSUF=".a"
825 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
826 SLIBPREF="lib"
827 SLIBSUF=".so"
828 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
829 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
830 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
831 EXESUF=""
832 BUILDSUF=""
833 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
834
835 # find source path
836 source_path="`dirname \"$0\"`"
837 source_path_used="yes"
838 if test -z "$source_path" -o "$source_path" = "." ; then
839 source_path="`pwd`"
840 source_path_used="no"
841 else
842 source_path="`cd \"$source_path\"; pwd`"
843 echo "$source_path" | grep -q '[[:blank:]]' &&
844 die "Out of tree builds are impossible with whitespace in source path."
845 fi
846
847 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
848 show_help
849 fi
850
851 FFMPEG_CONFIGURATION="$@"
852
853 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
854 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
855 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
856 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
857 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
858
859 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
860
861 die_unknown(){
862 echo "Unknown option \"$1\"."
863 echo "See $0 --help for available options."
864 exit 1
865 }
866
867 for opt do
868 optval="${opt#*=}"
869 case "$opt" in
870 --log)
871 ;;
872 --log=*) logging="$optval"
873 ;;
874 --prefix=*) PREFIX="$optval"
875 ;;
876 --libdir=*) libdir="$optval"
877 ;;
878 --shlibdir=*) shlibdir="$optval"
879 ;;
880 --incdir=*) incdir="$optval"
881 ;;
882 --mandir=*) mandir="$optval"
883 ;;
884 --source-path=*) source_path="$optval"
885 ;;
886 --cross-prefix=*) cross_prefix="$optval"
887 ;;
888 --cross-compile) cross_compile="yes"
889 ;;
890 --target-os=*) targetos="$optval"
891 ;;
892 --cc=*) cc="$optval"
893 ;;
894 --make=*) make="$optval"
895 ;;
896 --extra-cflags=*) add_cflags "$optval"
897 ;;
898 --extra-ldflags=*) add_ldflags "$optval"
899 ;;
900 --extra-libs=*) add_extralibs "$optval"
901 ;;
902 --build-suffix=*) BUILDSUF="$optval"
903 ;;
904 --arch=*) arch="$optval"
905 ;;
906 --cpu=*) cpu="$optval"
907 ;;
908 --enable-mingwce) wince="yes"
909 ;;
910 --disable-opts) optimize="no"
911 ;;
912 --enable-small) optimize="small"
913 ;;
914 --enable-sunmlib) mlib="yes"
915 ;;
916 --disable-strip) dostrip="no"
917 ;;
918 --disable-encoders) disable $ENCODER_LIST
919 ;;
920 --disable-decoders) disable $DECODER_LIST
921 ;;
922 --disable-muxers) disable $MUXER_LIST
923 ;;
924 --disable-demuxers) disable $DEMUXER_LIST
925 ;;
926 --disable-parsers) disable $PARSER_LIST
927 ;;
928 --enable-*=*|--disable-*=*)
929 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
930 case "$thing" in
931 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
932 *) die_unknown "$opt" ;;
933 esac
934 ;;
935 --enable-?*|--disable-?*)
936 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
937 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
938 $action $option
939 ;;
940 --help) show_help
941 ;;
942 *)
943 die_unknown $opt
944 ;;
945 esac
946 done
947
948 case "$arch" in
949 i386|i486|i586|i686|i86pc|BePC)
950 arch="x86_32"
951 ;;
952 x86_64|amd64)
953 arch="x86_32"
954 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
955 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
956 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
957 arch="x86_64"
958 fi
959 fi
960 ;;
961 # armv4l is a subset of armv[567]*l
962 arm|armv[4567]*l)
963 arch="armv4l"
964 ;;
965 alpha)
966 arch="alpha"
967 ;;
968 "Power Macintosh"|ppc|ppc64|powerpc)
969 arch="powerpc"
970 ;;
971 mips|mipsel|IP*)
972 arch="mips"
973 ;;
974 sun4u|sparc64)
975 arch="sparc64"
976 ;;
977 sparc)
978 arch="sparc"
979 ;;
980 sh4)
981 arch="sh4"
982 ;;
983 parisc|parisc64)
984 arch="parisc"
985 ;;
986 s390|s390x)
987 arch="s390"
988 ;;
989 m68k)
990 arch="m68k"
991 ;;
992 ia64)
993 arch="ia64"
994 ;;
995 bfin)
996 arch="bfin"
997 ;;
998 *)
999 arch="unknown"
1000 ;;
1001 esac
1002
1003 # OS specific
1004 osextralibs="-lm"
1005 case `tolower $targetos` in
1006 beos|haiku|zeta)
1007 PREFIX="$HOME/config"
1008 # helps building libavcodec
1009 add_cflags "-DPIC -fomit-frame-pointer"
1010 # 3 gcc releases known for BeOS, each with ugly bugs
1011 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1012 case "$gcc_version" in
1013 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1014 mmx="no"
1015 ;;
1016 *20010315*) echo "BeBits gcc"
1017 add_cflags "-fno-expensive-optimizations"
1018 ;;
1019 esac
1020 LDCONFIG="echo ignoring ldconfig"
1021 SHFLAGS=-nostart
1022 # disable Linux things
1023 dv1394="no"
1024 # enable BeOS things
1025 disabled audio_beos || enable_audio_beos
1026 # no need for libm, but the inet stuff
1027 # Check for BONE
1028 # XXX: actually should check for NOT net_server
1029 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1030 osextralibs="-lbind -lsocket"
1031 else
1032 beos_netserver="yes"
1033 osextralibs="-lnet"
1034 fi ;;
1035 sunos)
1036 dv1394="no"
1037 FFLDFLAGS=""
1038 FFSERVERLDFLAGS=""
1039 SHFLAGS="-shared -Wl,-h,\$@"
1040 add_extralibs "-lsocket -lnsl"
1041 ;;
1042 netbsd)
1043 dv1394="no"
1044 add_extralibs "-lossaudio"
1045 ;;
1046 openbsd)
1047 dv1394="no"
1048 need_memalign="no"
1049 LIBOBJFLAGS="\$(PIC)"
1050 LDCONFIG="ldconfig -m \$(shlibdir)"
1051 SHFLAGS='-shared'
1052 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1053 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1054 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1055 add_extralibs "-lossaudio"
1056 ;;
1057 freebsd)
1058 dv1394="no"
1059 need_memalign="no"
1060 add_cflags "-pthread"
1061 ;;
1062 gnu/kfreebsd)
1063 dv1394="no"
1064 add_cflags "-pthread"
1065 ;;
1066 bsd/os)
1067 dv1394="no"
1068 osextralibs="-lpoll -lgnugetopt -lm"
1069 strip="strip -d"
1070 ;;
1071 darwin)
1072 cc="cc"
1073 dv1394="no"
1074 need_memalign="no"
1075 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1076 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1077 osextralibs=""
1078 strip="strip -x"
1079 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1080 SLIBSUF=".dylib"
1081 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1082 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1083 FFSERVERLDFLAGS=-Wl,-bind_at_load
1084 ;;
1085 mingw32*)
1086 mingw32="yes"
1087 if enabled_all shared static; then
1088 cat <<EOF
1089 You can only build one library type at once on MinGW.
1090 Specify --disable-static --enable-shared to only build
1091 the shared libraries. To build only the static libraries
1092 you do not need to pass additional options.
1093 EOF
1094 exit 1
1095 fi
1096 dv1394="no"
1097 ffserver="no"
1098 network="no"
1099 if enabled wince; then
1100 protocols="no"
1101 fi
1102 SLIBPREF=""
1103 SLIBSUF=".dll"
1104 EXESUF=".exe"
1105 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1106 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1107 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1108 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1109 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1110 ;;
1111 cygwin*)
1112 targetos=CYGWIN
1113 shlibdir="$bindir"
1114 dv1394="no"
1115 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1116 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1117 osextralibs=""
1118 EXESUF=".exe"
1119 SLIBPREF="cyg"
1120 SLIBSUF=".dll"
1121 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1122 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1123 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1124 ;;
1125 linux)
1126 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1127 ;;
1128 irix*)
1129 targetos=IRIX
1130 ranlib="echo ignoring ranlib"
1131 ;;
1132 os/2)
1133 TMPE=$TMPE".exe"
1134 ar="emxomfar -p128"
1135 ranlib="echo ignoring ranlib"
1136 strip="echo ignoring strip"
1137 add_cflags "-Zomf"
1138 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1139 SHFLAGS="-Zdll -Zomf"
1140 FFSERVERLDFLAGS=""
1141 LIBPREF=""
1142 LIBSUF=".lib"
1143 SLIBPREF=""
1144 SLIBSUF=".dll"
1145 EXESUF=".exe"
1146 osextralibs=""
1147 pkg_requires=""
1148 dv1394="no"
1149 ffserver="no"
1150 vhook="no"
1151 os2="yes"
1152 ;;
1153 *)
1154 targetos="${targetos}-UNKNOWN"
1155 ;;
1156 esac
1157
1158 add_extralibs $osextralibs
1159
1160 if ! disabled logging ; then
1161 enabled logging || logfile="$logging"
1162 echo "# $0 $@" >$logfile
1163 set >>$logfile
1164 else
1165 logfile=/dev/null
1166 fi
1167
1168 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1169 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1170
1171 test -n "$cross_prefix" && cross_compile=yes
1172 cc="${cross_prefix}${cc}"
1173 ar="${cross_prefix}${ar}"
1174 ranlib="${cross_prefix}${ranlib}"
1175 strip="${cross_prefix}${strip}"
1176
1177 # we need to build at least one lib type
1178 if disabled_all static shared; then
1179 cat <<EOF
1180 At least one library type must be built.
1181 Specify --enable-static to build the static libraries or --enable-shared to
1182 build the shared libraries as well. To only build the shared libraries specify
1183 --disable-static in addition to --enable-shared.
1184 EOF
1185 exit 1;
1186 fi
1187
1188 if disabled libogg; then
1189 enabled libtheora && die "libogg must be enabled to enable libtheora."
1190 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1191 fi
1192
1193 if enabled_any libfaad libfaadbin ; then
1194 if check_header faad.h; then
1195 check_cc << EOF
1196 #include <faad.h>
1197 #ifndef FAAD2_VERSION
1198 ok faad1
1199 #endif
1200 int main( void ) { return 0; }
1201 EOF
1202 test $? = 0 && enable libfaad2
1203 else
1204 die "FAAD test failed."
1205 fi
1206 fi
1207
1208
1209 if disabled gpl ; then
1210 die_gpl_disabled(){
1211 name=$1
1212 shift
1213 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1214 }
1215 die_gpl_disabled "The Postprocessing code" pp
1216 die_gpl_disabled "liba52" liba52
1217 die_gpl_disabled "libxvidcore" xvid
1218 die_gpl_disabled "x264" x264
1219 die_gpl_disabled "libdts" libdts
1220 die_gpl_disabled "FAAD2" libfaad2
1221 die_gpl_disabled "The X11 grabber" x11grab
1222 die_gpl_disabled "The software scaler" swscaler
1223 fi
1224
1225 # compute MMX state
1226 if test $mmx = "default"; then
1227 if test $arch = "x86_32" -o $arch = "x86_64"; then
1228 mmx="yes"
1229 else
1230 mmx="no"
1231 fi
1232 fi
1233
1234 test -z "$need_memalign" && need_memalign="$mmx"
1235
1236 #Darwin CC versions
1237 needmdynamicnopic="no"
1238 if test $targetos = Darwin; then
1239 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1240 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1241 else
1242 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1243 case "$gcc_version" in
1244 *2.95*)
1245 add_cflags "-no-cpp-precomp -pipe"
1246 ;;
1247 *[34].*)
1248 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1249 if disabled shared; then
1250 needmdynamicnopic="yes"
1251 fi
1252 ;;
1253 *)
1254 add_cflags "-no-cpp-precomp -pipe"
1255 if disabled shared; then
1256 needmdynamicnopic="yes"
1257 fi
1258 ;;
1259 esac
1260 fi
1261 fi
1262
1263 disabled optimize || add_cflags -fomit-frame-pointer
1264
1265 # Can only do AltiVec on PowerPC
1266 if test $altivec = "default"; then
1267 if test $arch = "powerpc"; then
1268 altivec="yes"
1269 else
1270 altivec="no"
1271 fi
1272 fi
1273
1274 # Add processor-specific flags
1275 POWERPCMODE="32bits"
1276 if test $cpu != "generic"; then
1277 warn_altivec(){
1278 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1279 }
1280 case $cpu in
1281 601|ppc601|PowerPC601)
1282 add_cflags "-mcpu=601"
1283 warn_altivec enabled PPC601
1284 ;;
1285 603*|ppc603*|PowerPC603*)
1286 add_cflags "-mcpu=603"
1287 warn_altivec enabled PPC603
1288 ;;
1289 604*|ppc604*|PowerPC604*)
1290 add_cflags "-mcpu=604"
1291 warn_altivec enabled PPC604
1292 ;;
1293 G3|g3|75*|ppc75*|PowerPC75*)
1294 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1295 warn_altivec enabled PPC75x
1296 ;;
1297 G4|g4|745*|ppc745*|PowerPC745*)
1298 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1299 warn_altivec disabled PPC745x
1300 ;;
1301 74*|ppc74*|PowerPC74*)
1302 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1303 warn_altivec disabled PPC74xx
1304 ;;
1305 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1306 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1307 warn_altivec disabled PPC970
1308 POWERPCMODE="64bits"
1309 ;;
1310 # targets that do NOT support conditional mov (cmov)
1311 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1312 add_cflags "-march=$cpu"
1313 cmov="no"
1314 ;;
1315 # targets that do support conditional mov (cmov)
1316 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1317 add_cflags "-march=$cpu"
1318 cmov="yes"
1319 fast_cmov="yes"
1320 ;;
1321 # targets that do support conditional mov but on which it's slow
1322 pentium4|prescott|nocona)
1323 add_cflags "-march=$cpu"
1324 cmov="yes"
1325 fast_cmov="no"
1326 ;;
1327 sparc64)
1328 add_cflags "-mcpu=v9"
1329 ;;
1330 *)
1331 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1332 ;;
1333 esac
1334 fi
1335
1336 gnu_make(){
1337 $1 --version 2>&1 | grep -q GNU
1338 }
1339
1340 if ! gnu_make $make; then
1341 gnu_make gmake && make=gmake || die "GNU make not found."
1342 fi
1343
1344 # make sure we can execute files in $TMPDIR
1345 cat >$TMPE 2>>$logfile <<EOF
1346 #! /bin/sh
1347 EOF
1348 chmod +x $TMPE >>$logfile 2>&1
1349 if ! $TMPE >>$logfile 2>&1; then
1350 cat <<EOF
1351 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1352 variable to another directory and make sure that $TMPDIR1 is not mounted
1353 noexec.
1354 EOF
1355 die "Sanity test failed."
1356 fi
1357 rm $TMPE
1358
1359 # compiler sanity check
1360 check_exec <<EOF
1361 int main(){
1362 return 0;
1363 }
1364 EOF
1365 if test "$?" != 0; then
1366 echo "$cc is unable to create an executable file."
1367 if test -z "$cross_prefix" && disabled cross_compile ; then
1368 echo "If $cc is a cross-compiler, use the --cross-compile option."
1369 echo "Only do this if you know what cross compiling means."
1370 fi
1371 die "C compiler test failed."
1372 fi
1373
1374 # check for assembler specific support
1375
1376 if test $arch = "powerpc"; then
1377 check_cc <<EOF && dcbzl=yes
1378 int main(void) {
1379 register long zero = 0;
1380 char data[1024];
1381 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1382 return 0;
1383 }
1384 EOF
1385 fi
1386
1387 # check for SIMD availability
1388
1389 # AltiVec flags: The FSF version of GCC differs from the Apple version
1390 if test $arch = "powerpc"; then
1391 if enabled altivec; then
1392 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1393 add_cflags "-faltivec"
1394 else
1395 add_cflags "-maltivec -mabi=altivec"
1396 fi
1397 fi
1398 fi
1399
1400 check_header altivec.h
1401
1402 # check if our compiler supports Motorola AltiVec C API
1403 if enabled altivec; then
1404 if enabled altivec_h; then
1405 inc_altivec_h="#include <altivec.h>"
1406 else
1407 inc_altivec_h=
1408 fi
1409 check_cc <<EOF || altivec=no
1410 $inc_altivec_h
1411 int main(void) {
1412 vector signed int v1, v2, v3;
1413 v1 = vec_add(v2,v3);
1414 return 0;
1415 }
1416 EOF
1417 fi
1418
1419 # check armv5te instructions support
1420 if test $armv5te = "default" -a $arch = "armv4l"; then
1421 armv5te=no
1422 check_cc <<EOF && armv5te=yes
1423 int main(void) {
1424 __asm__ __volatile__ ("qadd r0, r0, r0");
1425 }
1426 EOF
1427 fi
1428
1429 if test $armv6 = "default" -a $arch = "armv4l"; then
1430 check_cc <<EOF && armv6=yes || armv6=no
1431 int main(void) {
1432 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1433 }
1434 EOF
1435 fi
1436
1437 # check iwmmxt support
1438 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1439 iwmmxt=no
1440 check_cc <<EOF && iwmmxt=yes
1441 int main(void) {
1442 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1443 }
1444 EOF
1445 fi
1446
1447 # mmi only available on mips
1448 if test $mmi = "default"; then
1449 if test $arch = "mips"; then
1450 mmi="yes"
1451 else
1452 mmi="no"
1453 fi
1454 fi
1455
1456 # check if our compiler supports mmi
1457 enabled mmi && check_cc <<EOF || mmi="no"
1458 int main(void) {
1459 __asm__ ("lq \$2, 0(\$2)");
1460 return 0;
1461 }
1462 EOF
1463
1464 # ---
1465 # big/little-endian test
1466 if disabled cross_compile; then
1467 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1468 #include <inttypes.h>
1469 int main(int argc, char ** argv){
1470 volatile uint32_t i=0x01234567;
1471 return (*((uint8_t*)(&i))) == 0x67;
1472 }
1473 EOF
1474 else
1475 # programs cannot be launched if cross compiling, so make a static guess
1476 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1477 bigendian="yes"
1478 fi
1479 fi
1480
1481 # ---
1482 # check availability of some header files
1483
1484 check_header malloc.h
1485 check_func memalign
1486
1487 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1488 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1489 fi
1490
1491 check_header byteswap.h
1492
1493 check_func inet_aton
1494 check_func localtime_r
1495 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1496
1497 # ffserver uses poll(),
1498 # if it's not found we can emulate it using select().
1499 if enabled ffserver; then
1500 check_header sys/poll.h
1501 fi
1502
1503 # check for some common methods of building with pthread support
1504 # do this before the optional library checks as some of them require pthreads
1505 if enabled pthreads; then
1506 if check_func pthread_create; then
1507 :
1508 elif check_func pthread_create -pthread; then
1509 add_cflags -pthread
1510 add_ldflags -pthread
1511 elif check_func pthread_create -pthreads; then
1512 add_cflags -pthreads
1513 add_ldflags -pthreads
1514 elif ! check_lib pthread.h pthread_create -lpthread; then
1515 die "ERROR: can't find pthreads library"
1516 fi
1517 fi
1518
1519 for thread in pthreads beosthreads os2threads w32threads; do
1520 if enabled $thread; then
1521 if ! disabled thread_type ; then
1522 die "ERROR: Only one thread type must be selected."
1523 else
1524 thread_type="$thread"
1525 fi
1526 fi
1527 done
1528
1529 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1530 enabled_all amr_nb amr_nb_fixed &&
1531 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1532
1533 # these are off by default, so fail if requested and not available
1534 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1535 enabled libdts && require libdts dts.h dts_init -ldts -lm
1536 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1537 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1538 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1539 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1540 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1541 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1542 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1543 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1544 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1545 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1546 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1547 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1548 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1549
1550 # test for lrintf in math.h
1551 check_exec <<EOF && lrintf=yes || lrintf=no
1552 #define _ISOC9X_SOURCE 1
1553 #include <math.h>
1554 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1555 EOF
1556
1557 _restrict=
1558 for restrict_keyword in restrict __restrict__ __restrict; do
1559 check_cc <<EOF && _restrict=$restrict_keyword && break
1560 void foo(char * $restrict_keyword p);
1561 EOF
1562 done
1563
1564 # dlopen/dlfcn.h probing
1565
1566 check_header dlfcn.h
1567
1568 if check_func dlopen; then
1569 ldl=
1570 elif check_func dlopen -ldl; then
1571 ldl=-ldl
1572 fi
1573
1574 test "$vhook" = "default" && vhook="$dlopen"
1575
1576 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1577
1578 if test "$targetos" = "CYGWIN" && enabled static ; then
1579 vhook="no"
1580 echo
1581 echo "At the moment vhooks don't work on Cygwin static builds."
1582 echo "Patches welcome."
1583 echo
1584 fi
1585
1586 if enabled vhook; then
1587 check_ldflags -rdynamic
1588 check_ldflags -export-dynamic
1589 fi
1590
1591 enabled audio_beos && add_extralibs "-lmedia -lbe"
1592
1593 enabled mingw32 && add_extralibs -lws2_32
1594
1595 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1596 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1597
1598 ##########################################
1599 # SDL check
1600
1601 sdl_too_old=no
1602 sdl=no
1603 SDL_CONFIG="${cross_prefix}sdl-config"
1604 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1605 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1606 temp_cflags $sdl_cflags
1607 temp_extralibs `"${SDL_CONFIG}" --libs`
1608 if check_lib SDL.h SDL_Init; then
1609 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1610 if test "$_sdlversion" -lt 121 ; then
1611 sdl_too_old=yes
1612 else
1613 sdl=yes
1614 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1615 #include <SDL.h>
1616 int main(void){
1617 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1618 int w = vi->current_w;
1619 return 0;
1620 }
1621 EOF
1622 fi
1623 fi
1624 restore_flags
1625 fi
1626
1627 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1628
1629 ##########################################
1630 # IPv6 check
1631
1632 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1633 #include <sys/types.h>
1634 #include <sys/socket.h>
1635 #include <netinet/in.h>
1636 #include <netdb.h>
1637 int main( void ) {
1638 struct sockaddr_storage saddr;
1639 struct ipv6_mreq mreq6;
1640 getaddrinfo(0,0,0,0);
1641 getnameinfo(0,0,0,0,0,0,0);
1642 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1643 }
1644 EOF
1645
1646 enabled v4l && check_header linux/videodev.h || disable v4l
1647 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1648
1649 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1650 if enabled bktr; then
1651 { check_header dev/bktr/ioctl_meteor.h &&
1652 check_header dev/bktr/ioctl_bt848.h; } ||
1653 { check_header machine/ioctl_meteor.h &&
1654 check_header machine/ioctl_bt848.h; } ||
1655 { check_header dev/video/meteor/ioctl_meteor.h &&
1656 check_header dev/video/bktr/ioctl_bt848.h; } ||
1657 check_header dev/ic/bt8xx.h ||
1658 disable bktr
1659 fi
1660
1661 enabled audio_oss &&
1662 check_header sys/soundcard.h ||
1663 check_header soundcard.h ||
1664 disable audio_oss
1665
1666 # Deal with the x11 frame grabber
1667 enabled x11grab &&
1668 enabled gpl &&
1669 enabled x11_grab_device_demuxer &&
1670 check_header X11/Xlib.h &&
1671 check_header X11/extensions/XShm.h &&
1672 check_func XOpenDisplay -lX11 &&
1673 check_func XShmCreateImage -lX11 -lXext &&
1674 add_extralibs -lX11 -lXext ||
1675 disable x11_grab_device_demuxer
1676
1677 enabled debug && add_cflags -g
1678
1679 # add some useful compiler flags if supported
1680 check_cflags -Wdeclaration-after-statement
1681 check_cflags -Wall
1682 check_cflags -Wno-switch
1683 check_cflags -Wdisabled-optimization
1684 check_cflags -Wpointer-arith
1685 check_cflags -Wredundant-decls
1686 check_cflags -Wno-pointer-sign
1687 enabled extra_warnings && check_cflags -Winline
1688
1689 # add some linker flags
1690 check_ldflags $LDLATEFLAGS
1691
1692 # not all compilers support -Os
1693 test "$optimize" = "small" && check_cflags -Os
1694
1695 if enabled optimize; then
1696 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1697 add_cflags "-O5"
1698 add_ldflags "-O5"
1699 else
1700 add_cflags "-O3"
1701 fi
1702 fi
1703
1704 # PIC flags for shared library objects where they are needed
1705 if enabled shared; then
1706 # LIBOBJFLAGS may have already been set in the OS configuration
1707 if test -z "$LIBOBJFLAGS" ; then
1708 case "$arch" in
1709 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1710 esac
1711 fi
1712 fi
1713
1714 if enabled gprof; then
1715 add_cflags "-p"
1716 add_ldflags "-p"
1717 fi
1718
1719 VHOOKCFLAGS="-fPIC $CFLAGS"
1720 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1721
1722 # find if .align arg is power-of-two or not
1723 if test $asmalign_pot = "unknown"; then
1724 asmalign_pot="no"
1725 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1726 fi
1727
1728 enabled_any $ENCODER_LIST && enable encoders
1729 enabled_any $DECODER_LIST && enable decoders
1730 enabled_any $MUXER_LIST && enable muxers
1731 enabled_any $DEMUXER_LIST && enable demuxers
1732
1733 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1734
1735 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1736 $DEMUXER_LIST $MUXER_LIST
1737
1738 enabled libogg && append pkg_requires "ogg >= 1.1"
1739 enabled libtheora && append pkg_requires "theora"
1740 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1741 enabled dc1394 && append pkg_requires "libraw1394"
1742
1743 echo "install prefix $PREFIX"
1744 echo "source path $source_path"
1745 echo "C compiler $cc"
1746 echo "make $make"
1747 echo ".align is power-of-two $asmalign_pot"
1748 echo "ARCH $arch ($cpu)"
1749 if test "$BUILDSUF" != ""; then
1750 echo "build suffix $BUILDSUF"
1751 fi
1752 echo "big-endian $bigendian"
1753 if test $arch = "x86_32" -o $arch = "x86_64"; then
1754 echo "MMX enabled $mmx"
1755 echo "CMOV enabled $cmov"
1756 echo "CMOV is fast $fast_cmov"
1757 fi
1758 if test $arch = "armv4l"; then
1759 echo "ARMv5TE enabled $armv5te"
1760 echo "ARMv6 enabled $armv6"
1761 echo "IWMMXT enabled $iwmmxt"
1762 fi
1763 if test $arch = "mips"; then
1764 echo "MMI enabled $mmi"
1765 fi
1766 if test $arch = "powerpc"; then
1767 echo "AltiVec enabled $altivec"
1768 echo "dcbzl available $dcbzl"
1769 fi
1770 echo "gprof enabled $gprof"
1771 echo "debug symbols $debug"
1772 echo "strip symbols $dostrip"
1773 echo "optimize $optimize"
1774 echo "static $static"
1775 echo "shared $shared"
1776 echo "postprocessing support $pp"
1777 echo "software scaler enabled $swscaler"
1778 echo "video hooking $vhook"
1779 if enabled vhook; then
1780 echo "Imlib2 support $imlib2"
1781 echo "FreeType support $freetype2"
1782 fi
1783 echo "network support $network"
1784 if enabled network; then
1785 echo "IPv6 support $ipv6"
1786 fi
1787 echo "threading support $thread_type"
1788 echo "SDL support $sdl"
1789 if enabled sdl_too_old; then
1790 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1791 fi
1792 echo "Sun medialib support $mlib"
1793 echo "AVISynth enabled $avisynth"
1794 echo "liba52 support $liba52"
1795 echo "liba52 dlopened $liba52bin"
1796 echo "libdts support $libdts"
1797 echo "libfaac enabled $libfaac"
1798 echo "libfaad enabled $libfaad"
1799 echo "faadbin enabled $libfaadbin"
1800 echo "libgsm enabled $libgsm"
1801 echo "libmp3lame enabled $libmp3lame"
1802 echo "libnut enabled $libnut"
1803 echo "libogg enabled $libogg"
1804 echo "libtheora enabled $libtheora"
1805 echo "libvorbis enabled $libvorbis"
1806 echo "x264 enabled $x264"
1807 echo "XviD enabled $xvid"
1808 echo "zlib enabled $zlib"
1809 echo "AMR-NB float support $amr_nb"
1810 echo "AMR-NB fixed support $amr_nb_fixed"
1811 echo "AMR-WB float support $amr_wb"
1812 echo "AMR-WB IF2 support $amr_if2"
1813 if disabled gpl; then
1814 echo "License: LGPL"
1815 else
1816 echo "License: GPL"
1817 fi
1818
1819 echo "Creating config.mak and config.h..."
1820
1821 echo "# Automatically generated by configure - do not modify!" > config.mak
1822 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1823 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1824
1825 echo "PREFIX=$PREFIX" >> config.mak
1826 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1827 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1828 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1829 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1830 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1831 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1832 echo "MAKE=$make" >> config.mak
1833 echo "CC=$cc" >> config.mak
1834 echo "AR=$ar" >> config.mak
1835 echo "RANLIB=$ranlib" >> config.mak
1836 if enabled dostrip; then
1837 echo "STRIP=$strip" >> config.mak
1838 else
1839 echo "STRIP=echo ignoring strip" >> config.mak
1840 fi
1841
1842 echo "OPTFLAGS=$CFLAGS" >> config.mak
1843 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1844 echo "LDFLAGS=$LDFLAGS" >> config.mak
1845 echo "LDCONFIG=$LDCONFIG" >> config.mak
1846 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1847 echo "SHFLAGS=$SHFLAGS" >> config.mak
1848 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1849 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1850 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1851 echo "BUILD_STATIC=$static" >> config.mak
1852 echo "BUILDSUF=$BUILDSUF" >> config.mak
1853 echo "LIBPREF=$LIBPREF" >> config.mak
1854 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1855 if enabled static; then
1856 echo "LIB=$LIB" >> config.mak
1857 else # Some Make complain if this variable does not exist.
1858 echo "LIB=" >> config.mak
1859 fi
1860 echo "SLIBPREF=$SLIBPREF" >> config.mak
1861 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1862 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1863
1864 ucarch=`toupper $arch`
1865 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1866 echo "#define ARCH_${ucarch} 1" >> $TMPH
1867
1868 # special cases
1869 case "$arch" in
1870 x86_32|x86_64)
1871 echo "TARGET_ARCH_X86=yes" >> config.mak
1872 echo "#define ARCH_X86 1" >> $TMPH
1873 ;;
1874 powerpc)
1875 if test "$POWERPCMODE" = "64bits"; then
1876 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1877 fi
1878 ;;
1879 sparc64)
1880 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1881 echo "#define ARCH_SPARC 1" >> $TMPH
1882 ;;
1883 esac
1884
1885 if enabled bigendian; then
1886 echo "WORDS_BIGENDIAN=yes" >> config.mak
1887 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1888 fi
1889 if enabled mmx; then
1890 echo "#define __CPU__ 586" >> $TMPH
1891 fi
1892
1893 if enabled sdl; then
1894 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1895 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1896 fi
1897 if enabled texi2html; then
1898 echo "BUILD_DOC=yes" >> config.mak
1899 fi
1900
1901 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1902 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1903 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1904 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1905 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1906
1907
1908
1909 if enabled shared; then
1910 echo "BUILD_SHARED=yes" >> config.mak
1911 echo "PIC=-fPIC -DPIC" >> config.mak
1912 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1913 echo "SPPVERSION=$pp_version" >> config.mak
1914 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1915 echo "LAVCVERSION=$lavc_version" >> config.mak
1916 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1917 echo "LAVFVERSION=$lavf_version" >> config.mak
1918 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1919 echo "LAVUVERSION=$lavu_version" >> config.mak
1920 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1921 echo "SWSVERSION=$sws_version" >> config.mak
1922 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1923 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1924 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1925 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1926 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1927 fi
1928 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1929 echo "EXTRALIBS=$extralibs" >> config.mak
1930
1931 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1932 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1933 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1934
1935 if test "$targetos" = "Darwin"; then
1936 echo "#define CONFIG_DARWIN 1" >> $TMPH
1937 fi
1938
1939 echo "#define restrict $_restrict" >> $TMPH
1940
1941 if test "$optimize" = "small"; then
1942 echo "#define always_inline" >> $TMPH
1943 echo "#define CONFIG_SMALL 1" >> $TMPH
1944 fi
1945
1946 echo "SRC_PATH=\"$source_path\"" >> config.mak
1947 echo "SRC_PATH_BARE=$source_path" >> config.mak
1948 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1949
1950 if enabled amr_if2; then
1951 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1952 fi
1953
1954 # Apparently it's not possible to portably echo a backslash.
1955 if enabled asmalign_pot; then
1956 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1957 else
1958 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1959 fi
1960
1961
1962 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1963 ucname="`toupper $codec`"
1964 config_name="CONFIG_$ucname"
1965 enabled_name="ENABLE_$ucname"
1966 if enabled $codec; then
1967 echo "#define $config_name 1" >> $TMPH
1968 echo "#define $enabled_name 1" >> $TMPH
1969 echo "$config_name=yes" >> config.mak
1970 else
1971 echo "#define $enabled_name 0" >> $TMPH
1972 fi
1973 done
1974
1975 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1976 if ! cmp -s $TMPH config.h; then
1977 mv -f $TMPH config.h
1978 else
1979 echo "config.h is unchanged"
1980 fi
1981
1982 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1983
1984 # build tree in object directory if source path is different from current one
1985 if enabled source_path_used; then
1986 DIRS="\
1987 doc \
1988 libavformat \
1989 libavcodec \
1990 libavcodec/alpha \
1991 libavcodec/armv4l \
1992 libavcodec/bfin \
1993 libavcodec/i386 \
1994 libavcodec/sparc \
1995 libavcodec/mlib \
1996 libavcodec/ppc \
1997 libavcodec/amr \
1998 libavcodec/amr_float \
1999 libavcodec/amrwb_float \
2000 libpostproc \
2001 libavutil \
2002 libswscale \
2003 tests \
2004 vhook \
2005 "
2006 FILES="\
2007 Makefile \
2008 common.mak \
2009 libavformat/Makefile \
2010 libavcodec/Makefile \
2011 libpostproc/Makefile \
2012 libavutil/Makefile \
2013 libswscale/Makefile \
2014 tests/Makefile \
2015 vhook/Makefile \
2016 doc/Makefile \
2017 doc/texi2pod.pl \
2018 "
2019 for dir in $DIRS ; do
2020 mkdir -p $dir
2021 done
2022 for f in $FILES ; do
2023 ln -sf "$source_path/$f" $f
2024 done
2025 fi
2026
2027
2028 # build pkg-config files
2029 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2030
2031 pkgconfig_generate(){
2032 name=$1
2033 comment=$2
2034 version=$3
2035 libs=$4
2036 requires=$5
2037 include=$6
2038 cat <<EOF >$name.pc
2039 prefix=$PREFIX
2040 exec_prefix=\${prefix}
2041 libdir=\${exec_prefix}/lib
2042 includedir=\${prefix}/include
2043
2044 Name: $name
2045 Description: $comment
2046 Version: $version
2047 Requires: $requires
2048 Conflicts:
2049 Libs: -L\${libdir} $libs
2050 Cflags: -I\${includedir} -I\${includedir}/$include
2051 EOF
2052 }
2053
2054 pkgconfig_generate_uninstalled(){
2055 name=$1
2056 shortname=${name#lib}
2057 comment=$2
2058 version=$3
2059 libs=$4
2060 requires=$5
2061 cat <<EOF >$name-uninstalled.pc
2062 prefix=
2063 exec_prefix=
2064 libdir=\${pcfiledir}/$name
2065 includedir=\${pcfiledir}/$name
2066
2067 Name: $name
2068 Description: $comment
2069 Version: $version
2070 Requires: $requires
2071 Conflicts:
2072 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2073 Cflags: -I\${includedir}
2074 EOF
2075 }
2076
2077 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2078 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2079
2080 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2081 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2082
2083 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2084 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2085
2086 if enabled pp; then
2087 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2088 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2089 fi
2090
2091 if enabled swscaler; then
2092 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2093 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2094 else
2095 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2096 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2097 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2098 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2099 fi