308366d1520f46a65781551b87b6215a9d3df08b
[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 $func();
437 }
438 EOF
439 }
440
441 check_lib(){
442 log check_lib "$@"
443 header="$1"
444 func="$2"
445 shift 2
446 temp_extralibs "$@"
447 check_header $header && check_func $func && add_extralibs "$@"
448 err=$?
449 restore_flags
450 return $err
451 }
452
453 check_exec(){
454 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
455 }
456
457 require(){
458 name="$1"
459 header="$2"
460 func="$3"
461 shift 3
462 check_lib $header $func "$@" || die "ERROR: $name not found"
463 }
464
465 apply(){
466 file=$1
467 shift
468 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
469 }
470
471 CONFIG_LIST='
472 encoders
473 decoders
474 parsers
475 muxers
476 demuxers
477 amr
478 amr_nb
479 amr_nb_fixed
480 amr_wb
481 audio_beos
482 audio_oss
483 avisynth
484 beos_netserver
485 bktr
486 dc1394
487 dv1394
488 ffmpeg
489 ffplay
490 ffserver
491 gpl
492 gprof
493 ipv6
494 liba52
495 liba52bin
496 libdts
497 libfaac
498 libfaad
499 libfaadbin
500 libgsm
501 libmp3lame
502 libnut
503 libogg
504 libtheora
505 libvorbis
506 memalign_hack
507 mpegaudio_hp
508 network
509 powerpc_perf
510 pp
511 protocols
512 swscaler
513 vhook
514 v4l
515 v4l2
516 wince
517 x11grab
518 x264
519 xvid
520 zlib
521 '
522
523 HAVE_LIST='
524 altivec
525 altivec_h
526 armv5te
527 armv6
528 beosthreads
529 byteswap_h
530 cmov
531 dcbzl
532 dev_bktr_ioctl_bt848_h
533 dev_bktr_ioctl_meteor_h
534 dev_ic_bt8xx_h
535 dev_video_meteor_ioctl_meteor_h
536 dev_video_bktr_ioctl_bt848_h
537 dlfcn_h
538 dlopen
539 fast_cmov
540 freetype2
541 imlib2
542 inet_aton
543 iwmmxt
544 localtime_r
545 lrintf
546 machine_ioctl_bt848_h
547 machine_ioctl_meteor_h
548 malloc_h
549 memalign
550 mlib
551 mmi
552 mmx
553 os2
554 os2threads
555 pthreads
556 sdl
557 sdl_video_size
558 soundcard_h
559 sys_poll_h
560 sys_soundcard_h
561 threads
562 w32threads
563 '
564
565 TARGET_LIST='
566 altivec
567 armv5te
568 armv6
569 iwmmxt
570 mmi
571 mmx
572 '
573
574 CMDLINE_SELECT="
575 $CONFIG_LIST
576 $TARGET_LIST
577 amr_if2
578 debug
579 extra_warnings
580 shared
581 static
582 beosthreads
583 os2threads
584 pthreads
585 w32threads
586 "
587
588 flashsv_decoder_deps="zlib"
589 flashsv_encoder_deps="zlib"
590 mpeg_xvmc_decoder_deps="xvmc"
591 png_decoder_deps="zlib"
592 png_encoder_deps="zlib"
593 x264_encoder_deps="x264"
594 xvid_encoder_deps="xvid"
595 zmbv_decoder_deps="zlib"
596 zmbv_encoder_deps="zlib"
597
598 aac_decoder_deps="libfaad"
599 mpeg4aac_decoder_deps="libfaad"
600 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
601 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
602 amr_wb_decoder_deps="amr_wb"
603 amr_wb_encoder_deps="amr_wb"
604 dts_decoder_deps="libdts"
605 faac_encoder_deps="libfaac"
606 liba52_decoder_deps="liba52"
607 libgsm_decoder_deps="libgsm"
608 libgsm_encoder_deps="libgsm"
609 libtheora_encoder_deps="libtheora"
610 mp3lame_encoder_deps="libmp3lame"
611 oggvorbis_decoder_deps="libvorbis"
612 oggvorbis_encoder_deps="libvorbis"
613
614 audio_demuxer_deps_any="audio_oss audio_beos"
615 audio_muxer_deps_any="audio_oss audio_beos"
616 dc1394_demuxer_deps="dc1394"
617 dv1394_demuxer_deps="dv1394"
618 gxf_muxer_deps="gpl"
619 libnut_demuxer_deps="libnut"
620 libnut_muxer_deps="libnut"
621 ogg_muxer_deps="libogg"
622 redir_demuxer_deps="network"
623 rtp_muxer_deps="network"
624 rtsp_demuxer_deps="network"
625 sdp_demuxer_deps="network"
626 v4l2_demuxer_deps="v4l2"
627 video_grab_device_demuxer_deps_any="v4l bktr"
628 x11_grab_device_demuxer_deps="x11grab"
629
630 ffplay_deps="sdl"
631 ffserver_deps="network protocols muxers"
632 network_deps="protocols"
633
634 # set temporary file name
635 if test ! -z "$TMPDIR" ; then
636 TMPDIR1="${TMPDIR}"
637 elif test ! -z "$TEMPDIR" ; then
638 TMPDIR1="${TEMPDIR}"
639 else
640 TMPDIR1="/tmp"
641 fi
642
643 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
644 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
645 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
646 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
647 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
648
649 # default parameters
650
651 logging="yes"
652 logfile="config.err"
653
654 # installation paths
655 PREFIX="/usr/local"
656 libdir='${PREFIX}/lib'
657 shlibdir="$libdir"
658 incdir='${PREFIX}/include/ffmpeg'
659 mandir='${PREFIX}/man'
660 bindir='${PREFIX}/bin'
661
662 # toolchain
663 cross_prefix=""
664 cross_compile="no"
665 cc="gcc"
666 ar="ar"
667 ranlib="ranlib"
668 make="make"
669 strip="strip"
670 asmalign_pot="unknown"
671
672 # machine
673 arch=`uname -m`
674 cpu="generic"
675 powerpc_perf="no"
676 mmx="default"
677 cmov="no"
678 fast_cmov="no"
679 armv5te="default"
680 armv6="default"
681 iwmmxt="default"
682 altivec="default"
683 dcbzl="no"
684 mmi="default"
685 bigendian="no"
686
687 # OS
688 targetos=`uname -s`
689 beos_netserver="no"
690 mingw32="no"
691 os2="no"
692 wince="no"
693
694 # non-library system interfaces
695 audio_beos="default"
696 audio_oss="yes"
697 bktr="yes"
698 dv1394="yes"
699 v4l2="yes"
700 v4l="yes"
701
702 # libraries
703 amr_if2="no"
704 amr_nb="no"
705 amr_nb_fixed="no"
706 amr_wb="no"
707 avisynth="no"
708 dc1394="no"
709 dlfcn_h="no"
710 dlopen="no"
711 liba52="no"
712 liba52bin="no"
713 libdts="no"
714 libfaac="no"
715 libfaad2="no"
716 libfaad="no"
717 libfaadbin="no"
718 libgsm="no"
719 libmp3lame="no"
720 libnut="no"
721 libogg="no"
722 libtheora="no"
723 libvorbis="no"
724 mlib="no"
725 x11grab="no"
726 x264="no"
727 xvid="no"
728 zlib="yes"
729
730 # configurable options
731 debug="yes"
732 dostrip="yes"
733 extra_warnings="no"
734 ffmpeg="yes"
735 ffplay="yes"
736 ffserver="yes"
737 gpl="no"
738 gprof="no"
739 ipv6="yes"
740 shared="no"
741 static="yes"
742 memalign_hack="no"
743 mpegaudio_hp="yes"
744 network="yes"
745 optimize="yes"
746 pp="no"
747 protocols="yes"
748 swscaler="no"
749 vhook="default"
750
751 # threading
752 beosthreads="no"
753 os2threads="no"
754 pthreads="no"
755 w32threads="no"
756 thread_type="no"
757
758 # build settings
759 SHFLAGS='-shared -Wl,-soname,$@'
760 VHOOKSHFLAGS='$(SHFLAGS)'
761 LIBOBJFLAGS=""
762 FFLDFLAGS=-Wl,--warn-common
763 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
764 FFSERVERLDFLAGS=-Wl,-E
765 LDCONFIG="ldconfig"
766 LIBPREF="lib"
767 LIBSUF=".a"
768 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
769 SLIBPREF="lib"
770 SLIBSUF=".so"
771 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
772 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
773 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
774 EXESUF=""
775 BUILDSUF=""
776 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
777
778 # find source path
779 source_path="`dirname \"$0\"`"
780 source_path_used="yes"
781 if test -z "$source_path" -o "$source_path" = "." ; then
782 source_path="`pwd`"
783 source_path_used="no"
784 else
785 source_path="`cd \"$source_path\"; pwd`"
786 echo "$source_path" | grep -q '[[:blank:]]' &&
787 die "Out of tree builds are impossible with whitespace in source path."
788 fi
789
790 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
791 show_help
792 fi
793
794 FFMPEG_CONFIGURATION="$@"
795
796 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
797 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
798 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
799 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
800 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
801
802 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
803
804 die_unknown(){
805 echo "Unknown option \"$1\"."
806 echo "See $0 --help for available options."
807 exit 1
808 }
809
810 for opt do
811 optval="${opt#*=}"
812 case "$opt" in
813 --log)
814 ;;
815 --log=*) logging="$optval"
816 ;;
817 --prefix=*) PREFIX="$optval"
818 ;;
819 --libdir=*) libdir="$optval"
820 ;;
821 --shlibdir=*) shlibdir="$optval"
822 ;;
823 --incdir=*) incdir="$optval"
824 ;;
825 --mandir=*) mandir="$optval"
826 ;;
827 --source-path=*) source_path="$optval"
828 ;;
829 --cross-prefix=*) cross_prefix="$optval"
830 ;;
831 --cross-compile) cross_compile="yes"
832 ;;
833 --target-os=*) targetos="$optval"
834 ;;
835 --cc=*) cc="$optval"
836 ;;
837 --make=*) make="$optval"
838 ;;
839 --extra-cflags=*) add_cflags "$optval"
840 ;;
841 --extra-ldflags=*) add_ldflags "$optval"
842 ;;
843 --extra-libs=*) add_extralibs "$optval"
844 ;;
845 --build-suffix=*) BUILDSUF="$optval"
846 ;;
847 --arch=*) arch="$optval"
848 ;;
849 --cpu=*) cpu="$optval"
850 ;;
851 --enable-mingwce) wince="yes"
852 ;;
853 --disable-opts) optimize="no"
854 ;;
855 --enable-small) optimize="small"
856 ;;
857 --enable-sunmlib) mlib="yes"
858 ;;
859 --disable-strip) dostrip="no"
860 ;;
861 --disable-encoders) disable $ENCODER_LIST
862 ;;
863 --disable-decoders) disable $DECODER_LIST
864 ;;
865 --disable-muxers) disable $MUXER_LIST
866 ;;
867 --disable-demuxers) disable $DEMUXER_LIST
868 ;;
869 --disable-parsers) disable $PARSER_LIST
870 ;;
871 --enable-*=*|--disable-*=*)
872 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
873 case "$thing" in
874 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
875 *) die_unknown "$opt" ;;
876 esac
877 ;;
878 --enable-?*|--disable-?*)
879 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
880 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
881 $action $option
882 ;;
883 --help) show_help
884 ;;
885 *)
886 die_unknown $opt
887 ;;
888 esac
889 done
890
891 case "$arch" in
892 i386|i486|i586|i686|i86pc|BePC)
893 arch="x86_32"
894 ;;
895 x86_64|amd64)
896 arch="x86_32"
897 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
898 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
899 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
900 arch="x86_64"
901 fi
902 fi
903 ;;
904 # armv4l is a subset of armv[567]*l
905 arm|armv[4567]*l)
906 arch="armv4l"
907 ;;
908 alpha)
909 arch="alpha"
910 ;;
911 "Power Macintosh"|ppc|ppc64|powerpc)
912 arch="powerpc"
913 ;;
914 mips|mipsel|IP*)
915 arch="mips"
916 ;;
917 sun4u|sparc64)
918 arch="sparc64"
919 ;;
920 sparc)
921 arch="sparc"
922 ;;
923 sh4)
924 arch="sh4"
925 ;;
926 parisc|parisc64)
927 arch="parisc"
928 ;;
929 s390|s390x)
930 arch="s390"
931 ;;
932 m68k)
933 arch="m68k"
934 ;;
935 ia64)
936 arch="ia64"
937 ;;
938 bfin)
939 arch="bfin"
940 ;;
941 *)
942 arch="unknown"
943 ;;
944 esac
945
946 # OS specific
947 osextralibs="-lm"
948 case `tolower $targetos` in
949 beos|haiku|zeta)
950 PREFIX="$HOME/config"
951 # helps building libavcodec
952 add_cflags "-DPIC -fomit-frame-pointer"
953 # 3 gcc releases known for BeOS, each with ugly bugs
954 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
955 case "$gcc_version" in
956 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
957 mmx="no"
958 ;;
959 *20010315*) echo "BeBits gcc"
960 add_cflags "-fno-expensive-optimizations"
961 ;;
962 esac
963 LDCONFIG="echo ignoring ldconfig"
964 SHFLAGS=-nostart
965 # disable Linux things
966 dv1394="no"
967 # enable BeOS things
968 disabled audio_beos || enable_audio_beos
969 # no need for libm, but the inet stuff
970 # Check for BONE
971 # XXX: actually should check for NOT net_server
972 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
973 osextralibs="-lbind -lsocket"
974 else
975 beos_netserver="yes"
976 osextralibs="-lnet"
977 fi ;;
978 sunos)
979 dv1394="no"
980 FFLDFLAGS=""
981 FFSERVERLDFLAGS=""
982 SHFLAGS="-shared -Wl,-h,\$@"
983 add_extralibs "-lsocket -lnsl"
984 ;;
985 netbsd)
986 dv1394="no"
987 add_extralibs "-lossaudio"
988 ;;
989 openbsd)
990 dv1394="no"
991 need_memalign="no"
992 LIBOBJFLAGS="\$(PIC)"
993 LDCONFIG="ldconfig -m \$(shlibdir)"
994 SHFLAGS='-shared'
995 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
996 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
997 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
998 add_extralibs "-lossaudio"
999 ;;
1000 freebsd)
1001 dv1394="no"
1002 need_memalign="no"
1003 add_cflags "-pthread"
1004 ;;
1005 gnu/kfreebsd)
1006 dv1394="no"
1007 add_cflags "-pthread"
1008 ;;
1009 bsd/os)
1010 dv1394="no"
1011 osextralibs="-lpoll -lgnugetopt -lm"
1012 strip="strip -d"
1013 ;;
1014 darwin)
1015 cc="cc"
1016 dv1394="no"
1017 need_memalign="no"
1018 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1019 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1020 osextralibs=""
1021 strip="strip -x"
1022 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1023 SLIBSUF=".dylib"
1024 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1025 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1026 FFSERVERLDFLAGS=-Wl,-bind_at_load
1027 ;;
1028 mingw32*)
1029 mingw32="yes"
1030 if enabled_all shared static; then
1031 cat <<EOF
1032 You can only build one library type at once on MinGW.
1033 Specify --disable-static --enable-shared to only build
1034 the shared libraries. To build only the static libraries
1035 you do not need to pass additional options.
1036 EOF
1037 exit 1
1038 fi
1039 dv1394="no"
1040 ffserver="no"
1041 network="no"
1042 if enabled wince; then
1043 protocols="no"
1044 fi
1045 SLIBPREF=""
1046 SLIBSUF=".dll"
1047 EXESUF=".exe"
1048 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1049 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1050 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1051 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1052 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1053 ;;
1054 cygwin*)
1055 targetos=CYGWIN
1056 shlibdir="$bindir"
1057 dv1394="no"
1058 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1059 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1060 osextralibs=""
1061 EXESUF=".exe"
1062 SLIBPREF="cyg"
1063 SLIBSUF=".dll"
1064 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1065 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1066 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1067 ;;
1068 linux)
1069 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1070 ;;
1071 irix*)
1072 targetos=IRIX
1073 ranlib="echo ignoring ranlib"
1074 ;;
1075 os/2)
1076 TMPE=$TMPE".exe"
1077 ar="emxomfar -p128"
1078 ranlib="echo ignoring ranlib"
1079 strip="echo ignoring strip"
1080 add_cflags "-Zomf"
1081 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1082 SHFLAGS="-Zdll -Zomf"
1083 FFSERVERLDFLAGS=""
1084 LIBPREF=""
1085 LIBSUF=".lib"
1086 SLIBPREF=""
1087 SLIBSUF=".dll"
1088 EXESUF=".exe"
1089 osextralibs=""
1090 pkg_requires=""
1091 dv1394="no"
1092 ffserver="no"
1093 vhook="no"
1094 os2="yes"
1095 ;;
1096 *)
1097 targetos="${targetos}-UNKNOWN"
1098 ;;
1099 esac
1100
1101 add_extralibs $osextralibs
1102
1103 if ! disabled logging ; then
1104 enabled logging || logfile="$logging"
1105 echo "# $0 $@" >$logfile
1106 set >>$logfile
1107 else
1108 logfile=/dev/null
1109 fi
1110
1111 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1112 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1113
1114 test -n "$cross_prefix" && cross_compile=yes
1115 cc="${cross_prefix}${cc}"
1116 ar="${cross_prefix}${ar}"
1117 ranlib="${cross_prefix}${ranlib}"
1118 strip="${cross_prefix}${strip}"
1119
1120 # we need to build at least one lib type
1121 if disabled_all static shared; then
1122 cat <<EOF
1123 At least one library type must be built.
1124 Specify --enable-static to build the static libraries or --enable-shared to
1125 build the shared libraries as well. To only build the shared libraries specify
1126 --disable-static in addition to --enable-shared.
1127 EOF
1128 exit 1;
1129 fi
1130
1131 if disabled libogg; then
1132 enabled libtheora && die "libogg must be enabled to enable libtheora."
1133 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1134 fi
1135
1136 if enabled_any libfaad libfaadbin ; then
1137 if check_header faad.h; then
1138 check_cc << EOF
1139 #include <faad.h>
1140 #ifndef FAAD2_VERSION
1141 ok faad1
1142 #endif
1143 int main( void ) { return 0; }
1144 EOF
1145 test $? = 0 && enable libfaad2
1146 else
1147 die "FAAD test failed."
1148 fi
1149 fi
1150
1151
1152 if disabled gpl ; then
1153 die_gpl_disabled(){
1154 name=$1
1155 shift
1156 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1157 }
1158 die_gpl_disabled "The Postprocessing code" pp
1159 die_gpl_disabled "liba52" liba52
1160 die_gpl_disabled "libxvidcore" xvid
1161 die_gpl_disabled "x264" x264
1162 die_gpl_disabled "libdts" libdts
1163 die_gpl_disabled "FAAD2" libfaad2
1164 die_gpl_disabled "The X11 grabber" x11grab
1165 die_gpl_disabled "The software scaler" swscaler
1166 fi
1167
1168 # compute MMX state
1169 if test $mmx = "default"; then
1170 if test $arch = "x86_32" -o $arch = "x86_64"; then
1171 mmx="yes"
1172 else
1173 mmx="no"
1174 fi
1175 fi
1176
1177 test -z "$need_memalign" && need_memalign="$mmx"
1178
1179 #Darwin CC versions
1180 needmdynamicnopic="no"
1181 if test $targetos = Darwin; then
1182 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1183 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1184 else
1185 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1186 case "$gcc_version" in
1187 *2.95*)
1188 add_cflags "-no-cpp-precomp -pipe"
1189 ;;
1190 *[34].*)
1191 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1192 if disabled shared; then
1193 needmdynamicnopic="yes"
1194 fi
1195 ;;
1196 *)
1197 add_cflags "-no-cpp-precomp -pipe"
1198 if disabled shared; then
1199 needmdynamicnopic="yes"
1200 fi
1201 ;;
1202 esac
1203 fi
1204 fi
1205
1206 disabled optimize || add_cflags -fomit-frame-pointer
1207
1208 # Can only do AltiVec on PowerPC
1209 if test $altivec = "default"; then
1210 if test $arch = "powerpc"; then
1211 altivec="yes"
1212 else
1213 altivec="no"
1214 fi
1215 fi
1216
1217 # Add processor-specific flags
1218 POWERPCMODE="32bits"
1219 if test $cpu != "generic"; then
1220 warn_altivec(){
1221 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1222 }
1223 case $cpu in
1224 601|ppc601|PowerPC601)
1225 add_cflags "-mcpu=601"
1226 warn_altivec enabled PPC601
1227 ;;
1228 603*|ppc603*|PowerPC603*)
1229 add_cflags "-mcpu=603"
1230 warn_altivec enabled PPC603
1231 ;;
1232 604*|ppc604*|PowerPC604*)
1233 add_cflags "-mcpu=604"
1234 warn_altivec enabled PPC604
1235 ;;
1236 G3|g3|75*|ppc75*|PowerPC75*)
1237 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1238 warn_altivec enabled PPC75x
1239 ;;
1240 G4|g4|745*|ppc745*|PowerPC745*)
1241 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1242 warn_altivec disabled PPC745x
1243 ;;
1244 74*|ppc74*|PowerPC74*)
1245 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1246 warn_altivec disabled PPC74xx
1247 ;;
1248 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1249 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1250 warn_altivec disabled PPC970
1251 POWERPCMODE="64bits"
1252 ;;
1253 # targets that do NOT support conditional mov (cmov)
1254 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1255 add_cflags "-march=$cpu"
1256 cmov="no"
1257 ;;
1258 # targets that do support conditional mov (cmov)
1259 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1260 add_cflags "-march=$cpu"
1261 cmov="yes"
1262 fast_cmov="yes"
1263 ;;
1264 # targets that do support conditional mov but on which it's slow
1265 pentium4|prescott|nocona)
1266 add_cflags "-march=$cpu"
1267 cmov="yes"
1268 fast_cmov="no"
1269 ;;
1270 sparc64)
1271 add_cflags "-mcpu=v9"
1272 ;;
1273 *)
1274 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1275 ;;
1276 esac
1277 fi
1278
1279 gnu_make(){
1280 $1 --version 2>&1 | grep -q GNU
1281 }
1282
1283 if ! gnu_make $make; then
1284 gnu_make gmake && make=gmake || die "GNU make not found."
1285 fi
1286
1287 # make sure we can execute files in $TMPDIR
1288 cat >$TMPE 2>>$logfile <<EOF
1289 #! /bin/sh
1290 EOF
1291 chmod +x $TMPE >>$logfile 2>&1
1292 if ! $TMPE >>$logfile 2>&1; then
1293 cat <<EOF
1294 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1295 variable to another directory and make sure that $TMPDIR1 is not mounted
1296 noexec.
1297 EOF
1298 die "Sanity test failed."
1299 fi
1300 rm $TMPE
1301
1302 # compiler sanity check
1303 check_exec <<EOF
1304 int main(){
1305 return 0;
1306 }
1307 EOF
1308 if test "$?" != 0; then
1309 echo "$cc is unable to create an executable file."
1310 if test -z "$cross_prefix" && disabled cross_compile ; then
1311 echo "If $cc is a cross-compiler, use the --cross-compile option."
1312 echo "Only do this if you know what cross compiling means."
1313 fi
1314 die "C compiler test failed."
1315 fi
1316
1317 # check for assembler specific support
1318
1319 if test $arch = "powerpc"; then
1320 check_cc <<EOF && dcbzl=yes
1321 int main(void) {
1322 register long zero = 0;
1323 char data[1024];
1324 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1325 return 0;
1326 }
1327 EOF
1328 fi
1329
1330 # check for SIMD availability
1331
1332 # AltiVec flags: The FSF version of GCC differs from the Apple version
1333 if test $arch = "powerpc"; then
1334 if enabled altivec; then
1335 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1336 add_cflags "-faltivec"
1337 else
1338 add_cflags "-maltivec -mabi=altivec"
1339 fi
1340 fi
1341 fi
1342
1343 check_header altivec.h
1344
1345 # check if our compiler supports Motorola AltiVec C API
1346 if enabled altivec; then
1347 if enabled altivec_h; then
1348 inc_altivec_h="#include <altivec.h>"
1349 else
1350 inc_altivec_h=
1351 fi
1352 check_cc <<EOF || altivec=no
1353 $inc_altivec_h
1354 int main(void) {
1355 vector signed int v1, v2, v3;
1356 v1 = vec_add(v2,v3);
1357 return 0;
1358 }
1359 EOF
1360 fi
1361
1362 # check armv5te instructions support
1363 if test $armv5te = "default" -a $arch = "armv4l"; then
1364 armv5te=no
1365 check_cc <<EOF && armv5te=yes
1366 int main(void) {
1367 __asm__ __volatile__ ("qadd r0, r0, r0");
1368 }
1369 EOF
1370 fi
1371
1372 if test $armv6 = "default" -a $arch = "armv4l"; then
1373 check_cc <<EOF && armv6=yes || armv6=no
1374 int main(void) {
1375 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1376 }
1377 EOF
1378 fi
1379
1380 # check iwmmxt support
1381 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1382 iwmmxt=no
1383 check_cc <<EOF && iwmmxt=yes
1384 int main(void) {
1385 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1386 }
1387 EOF
1388 fi
1389
1390 # mmi only available on mips
1391 if test $mmi = "default"; then
1392 if test $arch = "mips"; then
1393 mmi="yes"
1394 else
1395 mmi="no"
1396 fi
1397 fi
1398
1399 # check if our compiler supports mmi
1400 enabled mmi && check_cc <<EOF || mmi="no"
1401 int main(void) {
1402 __asm__ ("lq \$2, 0(\$2)");
1403 return 0;
1404 }
1405 EOF
1406
1407 # ---
1408 # big/little-endian test
1409 if disabled cross_compile; then
1410 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1411 #include <inttypes.h>
1412 int main(int argc, char ** argv){
1413 volatile uint32_t i=0x01234567;
1414 return (*((uint8_t*)(&i))) == 0x67;
1415 }
1416 EOF
1417 else
1418 # programs cannot be launched if cross compiling, so make a static guess
1419 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1420 bigendian="yes"
1421 fi
1422 fi
1423
1424 # ---
1425 # check availability of some header files
1426
1427 check_header malloc.h
1428 check_func memalign
1429
1430 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1431 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1432 fi
1433
1434 check_header byteswap.h
1435
1436 check_func inet_aton
1437 check_func localtime_r
1438 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1439
1440 # ffserver uses poll(),
1441 # if it's not found we can emulate it using select().
1442 if enabled ffserver; then
1443 check_header sys/poll.h
1444 fi
1445
1446 # check for some common methods of building with pthread support
1447 # do this before the optional library checks as some of them require pthreads
1448 if enabled pthreads; then
1449 if check_func pthread_create; then
1450 :
1451 elif check_func pthread_create -pthread; then
1452 add_cflags -pthread
1453 add_ldflags -pthread
1454 elif check_func pthread_create -pthreads; then
1455 add_cflags -pthreads
1456 add_ldflags -pthreads
1457 elif ! check_lib pthread.h pthread_create -lpthread; then
1458 die "ERROR: can't find pthreads library"
1459 fi
1460 fi
1461
1462 for thread in pthreads beosthreads os2threads w32threads; do
1463 if enabled $thread; then
1464 if ! disabled thread_type ; then
1465 die "ERROR: Only one thread type must be selected."
1466 else
1467 thread_type="$thread"
1468 fi
1469 fi
1470 done
1471
1472 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1473 enabled_all amr_nb amr_nb_fixed &&
1474 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1475
1476 # these are off by default, so fail if requested and not available
1477 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1478 enabled libdts && require libdts dts.h dts_init -ldts -lm
1479 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1480 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1481 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1482 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1483 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1484 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1485 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1486 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1487 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1488 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1489
1490 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1491 # the generic test functions
1492 if enabled libfaac; then
1493 save_flags
1494 temp_extralibs -lfaac
1495 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1496 #include <stdint.h>
1497 #include <faac.h>
1498 int main(){
1499 char *id, *cpr;
1500 faacEncGetVersion(&id, &cpr);
1501 return 0;
1502 }
1503 EOF
1504 restore_flags
1505 fi
1506
1507 # Ugh, recent faad2 versions have renamed all functions and #define the
1508 # old names in faad.h. Generic tests won't work.
1509 if enabled libfaad; then
1510 save_flags
1511 temp_extralibs -lfaad
1512 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1513 #include <faad.h>
1514 int main(){
1515 faacDecOpen();
1516 return 0;
1517 }
1518 EOF
1519 restore_flags
1520 fi
1521
1522 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1523 if enabled avisynth; then
1524 save_flags
1525 temp_extralibs -lvfw32
1526 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1527 #include <windows.h>
1528 #include <vfw.h>
1529 int main(){
1530 AVIFileInit();
1531 return 0;
1532 }
1533 EOF
1534 restore_flags
1535 fi
1536
1537
1538 # test for lrintf in math.h
1539 check_exec <<EOF && lrintf=yes || lrintf=no
1540 #define _ISOC9X_SOURCE 1
1541 #include <math.h>
1542 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1543 EOF
1544
1545 _restrict=
1546 for restrict_keyword in restrict __restrict__ __restrict; do
1547 check_cc <<EOF && _restrict=$restrict_keyword && break
1548 void foo(char * $restrict_keyword p);
1549 EOF
1550 done
1551
1552 # dlopen/dlfcn.h probing
1553
1554 check_header dlfcn.h
1555
1556 if check_func dlopen; then
1557 ldl=
1558 elif check_func dlopen -ldl; then
1559 ldl=-ldl
1560 fi
1561
1562 test "$vhook" = "default" && vhook="$dlopen"
1563
1564 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1565
1566 if test "$targetos" = "CYGWIN" && enabled static ; then
1567 vhook="no"
1568 echo
1569 echo "At the moment vhooks don't work on Cygwin static builds."
1570 echo "Patches welcome."
1571 echo
1572 fi
1573
1574 if enabled vhook; then
1575 check_ldflags -rdynamic
1576 check_ldflags -export-dynamic
1577 fi
1578
1579 enabled audio_beos && add_extralibs "-lmedia -lbe"
1580
1581 enabled mingw32 && add_extralibs -lws2_32
1582
1583 ##########################################
1584 # imlib check
1585
1586 imlib2=no
1587 if imlib2-config --version >/dev/null 2>&1; then
1588 temp_cflags `imlib2-config --cflags`
1589 temp_extralibs `imlib2-config --libs`
1590 check_lib Imlib2.h imlib_load_font && enable imlib2
1591 restore_flags
1592 fi
1593
1594 ##########################################
1595 # FreeType check
1596
1597 freetype2=no
1598 if freetype-config --version >/dev/null 2>&1; then
1599 temp_cflags `freetype-config --cflags`
1600 temp_extralibs `freetype-config --libs`
1601 check_lib ft2build.h FT_Init_FreeType && enable freetype2
1602 restore_flags
1603 fi
1604
1605 ##########################################
1606 # SDL check
1607
1608 sdl_too_old=no
1609 sdl=no
1610 SDL_CONFIG="${cross_prefix}sdl-config"
1611 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1612 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1613 temp_cflags $sdl_cflags
1614 temp_extralibs `"${SDL_CONFIG}" --libs`
1615 if check_lib SDL.h SDL_Init; then
1616 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1617 if test "$_sdlversion" -lt 121 ; then
1618 sdl_too_old=yes
1619 else
1620 sdl=yes
1621 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1622 #include <SDL.h>
1623 int main(void){
1624 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1625 int w = vi->current_w;
1626 return 0;
1627 }
1628 EOF
1629 fi
1630 fi
1631 restore_flags
1632 fi
1633
1634 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1635
1636 ##########################################
1637 # IPv6 check
1638
1639 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1640 #include <sys/types.h>
1641 #include <sys/socket.h>
1642 #include <netinet/in.h>
1643 #include <netdb.h>
1644 int main( void ) {
1645 struct sockaddr_storage saddr;
1646 struct ipv6_mreq mreq6;
1647 getaddrinfo(0,0,0,0);
1648 getnameinfo(0,0,0,0,0,0,0);
1649 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1650 }
1651 EOF
1652
1653 enabled v4l && check_header linux/videodev.h || disable v4l
1654 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1655
1656 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1657 if enabled bktr; then
1658 { check_header dev/bktr/ioctl_meteor.h &&
1659 check_header dev/bktr/ioctl_bt848.h; } ||
1660 { check_header machine/ioctl_meteor.h &&
1661 check_header machine/ioctl_bt848.h; } ||
1662 { check_header dev/video/meteor/ioctl_meteor.h &&
1663 check_header dev/video/bktr/ioctl_bt848.h; } ||
1664 check_header dev/ic/bt8xx.h ||
1665 disable bktr
1666 fi
1667
1668 enabled audio_oss &&
1669 check_header sys/soundcard.h ||
1670 check_header soundcard.h ||
1671 disable audio_oss
1672
1673 # Deal with the x11 frame grabber
1674 enabled x11grab &&
1675 enabled gpl &&
1676 enabled x11_grab_device_demuxer &&
1677 check_header X11/Xlib.h &&
1678 check_header X11/extensions/XShm.h &&
1679 check_func XOpenDisplay -lX11 &&
1680 check_func XShmCreateImage -lX11 -lXext &&
1681 add_extralibs -lX11 -lXext ||
1682 disable x11_grab_device_demuxer
1683
1684 enabled debug && add_cflags -g
1685
1686 # add some useful compiler flags if supported
1687 check_cflags -Wdeclaration-after-statement
1688 check_cflags -Wall
1689 check_cflags -Wno-switch
1690 check_cflags -Wdisabled-optimization
1691 check_cflags -Wpointer-arith
1692 check_cflags -Wredundant-decls
1693 check_cflags -Wno-pointer-sign
1694 enabled extra_warnings && check_cflags -Winline
1695
1696 # add some linker flags
1697 check_ldflags $LDLATEFLAGS
1698
1699 # not all compilers support -Os
1700 test "$optimize" = "small" && check_cflags -Os
1701
1702 if enabled optimize; then
1703 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1704 add_cflags "-O5"
1705 add_ldflags "-O5"
1706 else
1707 add_cflags "-O3"
1708 fi
1709 fi
1710
1711 # PIC flags for shared library objects where they are needed
1712 if enabled shared; then
1713 # LIBOBJFLAGS may have already been set in the OS configuration
1714 if test -z "$LIBOBJFLAGS" ; then
1715 case "$arch" in
1716 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1717 esac
1718 fi
1719 fi
1720
1721 if enabled gprof; then
1722 add_cflags "-p"
1723 add_ldflags "-p"
1724 fi
1725
1726 VHOOKCFLAGS="-fPIC $CFLAGS"
1727 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1728
1729 # find if .align arg is power-of-two or not
1730 if test $asmalign_pot = "unknown"; then
1731 asmalign_pot="no"
1732 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1733 fi
1734
1735 enabled_any $ENCODER_LIST && enable encoders
1736 enabled_any $DECODER_LIST && enable decoders
1737 enabled_any $MUXER_LIST && enable muxers
1738 enabled_any $DEMUXER_LIST && enable demuxers
1739
1740 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1741
1742 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1743 $DEMUXER_LIST $MUXER_LIST
1744
1745 enabled libogg && append pkg_requires "ogg >= 1.1"
1746 enabled libtheora && append pkg_requires "theora"
1747 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1748 enabled dc1394 && append pkg_requires "libraw1394"
1749
1750 echo "install prefix $PREFIX"
1751 echo "source path $source_path"
1752 echo "C compiler $cc"
1753 echo "make $make"
1754 echo ".align is power-of-two $asmalign_pot"
1755 echo "ARCH $arch ($cpu)"
1756 if test "$BUILDSUF" != ""; then
1757 echo "build suffix $BUILDSUF"
1758 fi
1759 echo "big-endian $bigendian"
1760 if test $arch = "x86_32" -o $arch = "x86_64"; then
1761 echo "MMX enabled $mmx"
1762 echo "CMOV enabled $cmov"
1763 echo "CMOV is fast $fast_cmov"
1764 fi
1765 if test $arch = "armv4l"; then
1766 echo "ARMv5TE enabled $armv5te"
1767 echo "ARMv6 enabled $armv6"
1768 echo "IWMMXT enabled $iwmmxt"
1769 fi
1770 if test $arch = "mips"; then
1771 echo "MMI enabled $mmi"
1772 fi
1773 if test $arch = "powerpc"; then
1774 echo "AltiVec enabled $altivec"
1775 echo "dcbzl available $dcbzl"
1776 fi
1777 echo "gprof enabled $gprof"
1778 echo "debug symbols $debug"
1779 echo "strip symbols $dostrip"
1780 echo "optimize $optimize"
1781 echo "static $static"
1782 echo "shared $shared"
1783 echo "postprocessing support $pp"
1784 echo "software scaler enabled $swscaler"
1785 echo "video hooking $vhook"
1786 if enabled vhook; then
1787 echo "Imlib2 support $imlib2"
1788 echo "FreeType support $freetype2"
1789 fi
1790 echo "network support $network"
1791 if enabled network; then
1792 echo "IPv6 support $ipv6"
1793 fi
1794 echo "threading support $thread_type"
1795 echo "SDL support $sdl"
1796 if enabled sdl_too_old; then
1797 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1798 fi
1799 echo "Sun medialib support $mlib"
1800 echo "AVISynth enabled $avisynth"
1801 echo "liba52 support $liba52"
1802 echo "liba52 dlopened $liba52bin"
1803 echo "libdts support $libdts"
1804 echo "libfaac enabled $libfaac"
1805 echo "libfaad enabled $libfaad"
1806 echo "faadbin enabled $libfaadbin"
1807 echo "libgsm enabled $libgsm"
1808 echo "libmp3lame enabled $libmp3lame"
1809 echo "libnut enabled $libnut"
1810 echo "libogg enabled $libogg"
1811 echo "libtheora enabled $libtheora"
1812 echo "libvorbis enabled $libvorbis"
1813 echo "x264 enabled $x264"
1814 echo "XviD enabled $xvid"
1815 echo "zlib enabled $zlib"
1816 echo "AMR-NB float support $amr_nb"
1817 echo "AMR-NB fixed support $amr_nb_fixed"
1818 echo "AMR-WB float support $amr_wb"
1819 echo "AMR-WB IF2 support $amr_if2"
1820 if disabled gpl; then
1821 echo "License: LGPL"
1822 else
1823 echo "License: GPL"
1824 fi
1825
1826 echo "Creating config.mak and config.h..."
1827
1828 echo "# Automatically generated by configure - do not modify!" > config.mak
1829 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1830 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1831
1832 echo "PREFIX=$PREFIX" >> config.mak
1833 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1834 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1835 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1836 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1837 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1838 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1839 echo "MAKE=$make" >> config.mak
1840 echo "CC=$cc" >> config.mak
1841 echo "AR=$ar" >> config.mak
1842 echo "RANLIB=$ranlib" >> config.mak
1843 if enabled dostrip; then
1844 echo "STRIP=$strip" >> config.mak
1845 else
1846 echo "STRIP=echo ignoring strip" >> config.mak
1847 fi
1848
1849 echo "OPTFLAGS=$CFLAGS" >> config.mak
1850 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1851 echo "LDFLAGS=$LDFLAGS" >> config.mak
1852 echo "LDCONFIG=$LDCONFIG" >> config.mak
1853 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1854 echo "SHFLAGS=$SHFLAGS" >> config.mak
1855 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1856 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1857 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1858 echo "BUILD_STATIC=$static" >> config.mak
1859 echo "BUILDSUF=$BUILDSUF" >> config.mak
1860 echo "LIBPREF=$LIBPREF" >> config.mak
1861 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1862 if enabled static; then
1863 echo "LIB=$LIB" >> config.mak
1864 else # Some Make complain if this variable does not exist.
1865 echo "LIB=" >> config.mak
1866 fi
1867 echo "SLIBPREF=$SLIBPREF" >> config.mak
1868 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1869 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1870
1871 ucarch=`toupper $arch`
1872 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1873 echo "#define ARCH_${ucarch} 1" >> $TMPH
1874
1875 # special cases
1876 case "$arch" in
1877 x86_32|x86_64)
1878 echo "TARGET_ARCH_X86=yes" >> config.mak
1879 echo "#define ARCH_X86 1" >> $TMPH
1880 ;;
1881 powerpc)
1882 if test "$POWERPCMODE" = "64bits"; then
1883 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1884 fi
1885 ;;
1886 sparc64)
1887 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1888 echo "#define ARCH_SPARC 1" >> $TMPH
1889 ;;
1890 esac
1891
1892 if enabled bigendian; then
1893 echo "WORDS_BIGENDIAN=yes" >> config.mak
1894 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1895 fi
1896 if enabled mmx; then
1897 echo "#define __CPU__ 586" >> $TMPH
1898 fi
1899
1900 if enabled sdl; then
1901 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1902 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1903 fi
1904 if enabled texi2html; then
1905 echo "BUILD_DOC=yes" >> config.mak
1906 fi
1907
1908 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1909 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1910 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1911 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1912 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1913
1914
1915
1916 if enabled shared; then
1917 echo "BUILD_SHARED=yes" >> config.mak
1918 echo "PIC=-fPIC -DPIC" >> config.mak
1919 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1920 echo "SPPVERSION=$pp_version" >> config.mak
1921 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1922 echo "LAVCVERSION=$lavc_version" >> config.mak
1923 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1924 echo "LAVFVERSION=$lavf_version" >> config.mak
1925 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1926 echo "LAVUVERSION=$lavu_version" >> config.mak
1927 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1928 echo "SWSVERSION=$sws_version" >> config.mak
1929 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1930 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1931 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1932 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1933 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1934 fi
1935 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1936 echo "EXTRALIBS=$extralibs" >> config.mak
1937
1938 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1939 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1940 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1941
1942 if test "$targetos" = "Darwin"; then
1943 echo "#define CONFIG_DARWIN 1" >> $TMPH
1944 fi
1945
1946 echo "#define restrict $_restrict" >> $TMPH
1947
1948 if test "$optimize" = "small"; then
1949 echo "#define always_inline" >> $TMPH
1950 echo "#define CONFIG_SMALL 1" >> $TMPH
1951 fi
1952
1953 echo "SRC_PATH=\"$source_path\"" >> config.mak
1954 echo "SRC_PATH_BARE=$source_path" >> config.mak
1955 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1956
1957 if enabled amr_if2; then
1958 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1959 fi
1960
1961 # Apparently it's not possible to portably echo a backslash.
1962 if enabled asmalign_pot; then
1963 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1964 else
1965 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1966 fi
1967
1968
1969 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1970 ucname="`toupper $codec`"
1971 config_name="CONFIG_$ucname"
1972 enabled_name="ENABLE_$ucname"
1973 if enabled $codec; then
1974 echo "#define $config_name 1" >> $TMPH
1975 echo "#define $enabled_name 1" >> $TMPH
1976 echo "$config_name=yes" >> config.mak
1977 else
1978 echo "#define $enabled_name 0" >> $TMPH
1979 fi
1980 done
1981
1982 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1983 if ! cmp -s $TMPH config.h; then
1984 mv -f $TMPH config.h
1985 else
1986 echo "config.h is unchanged"
1987 fi
1988
1989 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1990
1991 # build tree in object directory if source path is different from current one
1992 if enabled source_path_used; then
1993 DIRS="\
1994 doc \
1995 libavformat \
1996 libavcodec \
1997 libavcodec/alpha \
1998 libavcodec/armv4l \
1999 libavcodec/bfin \
2000 libavcodec/i386 \
2001 libavcodec/sparc \
2002 libavcodec/mlib \
2003 libavcodec/ppc \
2004 libavcodec/amr \
2005 libavcodec/amr_float \
2006 libavcodec/amrwb_float \
2007 libpostproc \
2008 libavutil \
2009 libswscale \
2010 tests \
2011 vhook \
2012 "
2013 FILES="\
2014 Makefile \
2015 common.mak \
2016 libavformat/Makefile \
2017 libavcodec/Makefile \
2018 libpostproc/Makefile \
2019 libavutil/Makefile \
2020 libswscale/Makefile \
2021 tests/Makefile \
2022 vhook/Makefile \
2023 doc/Makefile \
2024 doc/texi2pod.pl \
2025 "
2026 for dir in $DIRS ; do
2027 mkdir -p $dir
2028 done
2029 for f in $FILES ; do
2030 ln -sf "$source_path/$f" $f
2031 done
2032 fi
2033
2034
2035 # build pkg-config files
2036 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2037
2038 pkgconfig_generate(){
2039 name=$1
2040 comment=$2
2041 version=$3
2042 libs=$4
2043 requires=$5
2044 include=$6
2045 cat <<EOF >$name.pc
2046 prefix=$PREFIX
2047 exec_prefix=\${prefix}
2048 libdir=\${exec_prefix}/lib
2049 includedir=\${prefix}/include
2050
2051 Name: $name
2052 Description: $comment
2053 Version: $version
2054 Requires: $requires
2055 Conflicts:
2056 Libs: -L\${libdir} $libs
2057 Cflags: -I\${includedir} -I\${includedir}/$include
2058 EOF
2059 }
2060
2061 pkgconfig_generate_uninstalled(){
2062 name=$1
2063 shortname=${name#lib}
2064 comment=$2
2065 version=$3
2066 libs=$4
2067 requires=$5
2068 cat <<EOF >$name-uninstalled.pc
2069 prefix=
2070 exec_prefix=
2071 libdir=\${pcfiledir}/$name
2072 includedir=\${pcfiledir}/$name
2073
2074 Name: $name
2075 Description: $comment
2076 Version: $version
2077 Requires: $requires
2078 Conflicts:
2079 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2080 Cflags: -I\${includedir}
2081 EOF
2082 }
2083
2084 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2085 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2086
2087 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2088 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2089
2090 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2091 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2092
2093 if enabled pp; then
2094 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2095 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2096 fi
2097
2098 if enabled swscaler; then
2099 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2100 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2101 else
2102 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2103 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2104 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2105 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2106 fi