3442a9e73ed98301a9ac32df073ad7be0f0df82e
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
65 echo " --enable-mingw32 enable MinGW native/cross Windows compile"
66 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-sunmlib use Sun medialib [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 " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
80 echo " and libraw1394 [default=no]"
81 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
82 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-libdts enable GPLed libdts support [default=no]"
85 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
86 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
87 echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]"
88 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
89 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
90 echo " --enable-libnut enable NUT (de)muxing via libnut,"
91 echo " native demuxer exists [default=no]"
92 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
93 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
94 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
95 echo " native implementations exist [default=no]"
96 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
97 echo " --enable-xvid enable Xvid encoding via xvidcore,"
98 echo " native MPEG-4/Xvid encoder exists [default=no]"
99 echo " --enable-amr_nb enable amr_nb float audio codec"
100 echo " --enable-amr_nb-fixed use fixed point for amr-nb codec"
101 echo " --enable-amr_wb enable amr_wb float audio codec"
102 echo " --enable-amr_if2 enable amr_wb IF2 audio codec"
103 echo " --enable-gpl allow use of GPL code, the resulting libav*"
104 echo " and ffmpeg will be under GPL [default=no]"
105 echo ""
106 echo "Advanced options (experts only):"
107 echo " --source-path=PATH path to source code [$source_path]"
108 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --cc=CC use C compiler CC [$cc]"
111 echo " --make=MAKE use specified make [$make]"
112 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
113 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
114 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
115 echo " --build-suffix=SUFFIX suffix for application specific build []"
116 echo " --arch=ARCH select architecture [$arch]"
117 echo " --cpu=CPU selects the minimum cpu required (affects"
118 echo " instruction selection, may crash on older CPUs)"
119 echo " --enable-powerpc-perf enable performance report on PPC"
120 echo " (requires enabling PMC)"
121 echo " --disable-mmx disable MMX usage"
122 echo " --disable-armv5te disable armv5te usage"
123 echo " --disable-armv6 disable armv6 usage"
124 echo " --disable-iwmmxt disable iwmmxt usage"
125 echo " --disable-altivec disable AltiVec usage"
126 echo " --disable-audio-oss disable OSS audio support [default=no]"
127 echo " --disable-audio-beos disable BeOS audio support [default=no]"
128 echo " --disable-v4l disable video4linux grabbing [default=no]"
129 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
130 echo " --disable-bktr disable bktr video grabbing [default=no]"
131 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
132 echo " --disable-network disable network support [default=no]"
133 echo " --disable-ipv6 disable ipv6 support [default=no]"
134 echo " --disable-zlib disable zlib [default=no]"
135 echo " --disable-vhook disable video hooking support"
136 echo " --enable-gprof enable profiling with gprof [$gprof]"
137 echo " --disable-debug disable debugging symbols"
138 echo " --disable-opts disable compiler optimizations"
139 echo " --enable-extra-warnings enable more compiler warnings"
140 echo " --disable-mpegaudio-hp faster (but less accurate)"
141 echo " MPEG audio decoding [default=no]"
142 echo " --disable-protocols disable I/O protocols support [default=no]"
143 echo " --disable-ffmpeg disable ffmpeg build"
144 echo " --disable-ffserver disable ffserver build"
145 echo " --disable-ffplay disable ffplay build"
146 echo " --enable-small optimize for size instead of speed"
147 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
148 echo " --disable-strip disable stripping of executables and shared libraries"
149 echo " --disable-encoder=NAME disables encoder NAME"
150 echo " --enable-encoder=NAME enables encoder NAME"
151 echo " --disable-decoder=NAME disables decoder NAME"
152 echo " --enable-decoder=NAME enables decoder NAME"
153 echo " --disable-encoders disables all encoders"
154 echo " --disable-decoders disables all decoders"
155 echo " --disable-muxer=NAME disables muxer NAME"
156 echo " --enable-muxer=NAME enables muxer NAME"
157 echo " --disable-muxers disables all muxers"
158 echo " --disable-demuxer=NAME disables demuxer NAME"
159 echo " --enable-demuxer=NAME enables demuxer NAME"
160 echo " --disable-demuxers disables all demuxers"
161 echo " --enable-parser=NAME enables parser NAME"
162 echo " --disable-parser=NAME disables parser NAME"
163 echo " --disable-parsers disables all parsers"
164 echo ""
165 echo "NOTE: Object files are built at the place where configure is launched."
166 exit 1
167 }
168
169 log(){
170 echo "$@" >>$logfile
171 }
172
173 log_file(){
174 log BEGIN $1
175 cat -n $1 >>$logfile
176 log END $1
177 }
178
179 echolog(){
180 log "$@"
181 echo "$@"
182 }
183
184 die(){
185 echolog "$@"
186 cat <<EOF
187 If you think configure made a mistake, make sure you are using the latest
188 version from SVN. If the latest version fails, report the problem to the
189 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
190 EOF
191 if enabled logging; then
192 cat <<EOF
193 Include the log file "$logfile" produced by configure as this will help
194 solving the problem.
195 EOF
196 else
197 cat <<EOF
198 Rerun configure with logging enabled (do not use --log=no), and include the
199 log this produces with your report.
200 EOF
201 fi
202 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
203 exit 1
204 }
205
206 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
207 toupper(){
208 echo "$@" | tr '[a-z]' '[A-Z]'
209 }
210
211 set_all(){
212 value=$1
213 shift
214 for var in $*; do
215 eval $var=$value
216 done
217 }
218
219 pushvar(){
220 for var in $*; do
221 eval level=\${${var}_level:=0}
222 eval ${var}_${level}="\$$var"
223 eval ${var}_level=$(($level+1))
224 done
225 }
226
227 popvar(){
228 for var in $*; do
229 eval level=\${${var}_level:-0}
230 test $level = 0 && continue
231 eval level=$(($level-1))
232 eval $var="\${${var}_${level}}"
233 eval ${var}_level=$level
234 eval unset ${var}_${level}
235 done
236 }
237
238 enable(){
239 set_all yes $*
240 }
241
242 disable(){
243 set_all no $*
244 }
245
246 enabled(){
247 eval test "x\$$1" = "xyes"
248 }
249
250 disabled(){
251 eval test "x\$$1" = "xno"
252 }
253
254 enabled_all(){
255 for opt; do
256 enabled $opt || return 1
257 done
258 }
259
260 disabled_all(){
261 for opt; do
262 disabled $opt || return 1
263 done
264 }
265
266 enabled_any(){
267 for opt; do
268 enabled $opt && return 0
269 done
270 }
271
272 disabled_any(){
273 for opt; do
274 disabled $opt && return 0
275 done
276 }
277
278 check_deps(){
279 for cfg; do
280 enabled ${cfg}_checking && die "Circular dependency for $cfg."
281 disabled ${cfg}_checking && continue
282 enable ${cfg}_checking
283
284 eval dep_all="\$${cfg}_deps"
285 eval dep_any="\$${cfg}_deps_any"
286
287 pushvar cfg dep_all dep_any
288 check_deps $dep_all $dep_any
289 popvar cfg dep_all dep_any
290
291 enabled_all $dep_all || disable $cfg
292 enabled_any $dep_any || disable $cfg
293
294 disable ${cfg}_checking
295 done
296 }
297
298 print_config(){
299 pfx=$1
300 header=$2
301 makefile=$3
302 shift 3
303 for cfg; do
304 if enabled $cfg; then
305 ucname="${pfx}`toupper $cfg`"
306 echo "#define ${ucname} 1" >> $header
307 echo "${ucname}=yes" >> $makefile
308 fi
309 done
310 }
311
312 flags_saved(){
313 (: ${SAVE_CFLAGS?}) 2>/dev/null
314 }
315
316 save_flags(){
317 flags_saved && return
318 SAVE_CFLAGS="$CFLAGS"
319 SAVE_LDFLAGS="$LDFLAGS"
320 SAVE_extralibs="$extralibs"
321 }
322
323 restore_flags(){
324 flags_saved || return
325 CFLAGS="$SAVE_CFLAGS"
326 LDFLAGS="$SAVE_LDFLAGS"
327 extralibs="$SAVE_extralibs"
328 unset SAVE_CFLAGS
329 unset SAVE_LDFLAGS
330 unset SAVE_extralibs
331 }
332
333 temp_cflags(){
334 save_flags
335 CFLAGS="$CFLAGS $*"
336 }
337
338 temp_ldflags(){
339 save_flags
340 LDFLAGS="$LDFLAGS $*"
341 }
342
343 temp_extralibs(){
344 save_flags
345 extralibs="$extralibs $*"
346 }
347
348 append(){
349 var=$1
350 shift
351 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
352 eval "$var=\"\$$var $*\""
353 }
354
355 add_cflags(){
356 append CFLAGS "$@"
357 }
358
359 add_ldflags(){
360 append LDFLAGS "$@"
361 }
362
363 add_extralibs(){
364 append extralibs "$@"
365 }
366
367 check_cmd(){
368 log "$@"
369 "$@" >>$logfile 2>&1
370 }
371
372 check_cc(){
373 log check_cc "$@"
374 cat >$TMPC
375 log_file $TMPC
376 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
377 }
378
379 check_cpp(){
380 log check_cpp "$@"
381 cat >$TMPC
382 log_file $TMPC
383 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
384 }
385
386 check_ld(){
387 log check_ld "$@"
388 check_cc || return
389 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
390 }
391
392 check_cflags(){
393 log check_cflags "$@"
394 check_cc "$@" <<EOF && add_cflags "$@"
395 int x;
396 EOF
397 }
398
399 check_ldflags(){
400 log check_ldflags "$@"
401 check_ld "$@" <<EOF && add_ldflags "$@"
402 int main(){
403 return 0;
404 }
405 EOF
406 }
407
408 check_header(){
409 log check_header "$@"
410 header=$1
411 shift
412 check_cpp "$@" <<EOF
413 #include <$header>
414 int x;
415 EOF
416 err=$?
417 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
418 test "$err" = 0 && enable $var || disable $var
419 return $err
420 }
421
422 check_func(){
423 log check_func "$@"
424 func=$1
425 shift
426 check_ld "$@" <<EOF
427 extern int $func();
428 int main(){
429 $func();
430 }
431 EOF
432 err=$?
433 test "$err" = 0 && enable $func || disable $func
434 return $err
435 }
436
437 check_lib(){
438 log check_lib "$@"
439 header="$1"
440 func="$2"
441 shift 2
442 temp_extralibs "$@"
443 check_header $header && check_func $func && add_extralibs "$@"
444 err=$?
445 restore_flags
446 return $err
447 }
448
449 check_exec(){
450 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
451 }
452
453 require(){
454 name="$1"
455 header="$2"
456 func="$3"
457 shift 3
458 check_lib $header $func "$@" || die "ERROR: $name not found"
459 }
460
461 apply(){
462 file=$1
463 shift
464 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
465 }
466
467 CONFIG_LIST='
468 encoders
469 decoders
470 parsers
471 muxers
472 demuxers
473 amr
474 amr_nb
475 amr_nb_fixed
476 amr_wb
477 audio_beos
478 audio_oss
479 avisynth
480 beos_netserver
481 bktr
482 dc1394
483 dv1394
484 ffmpeg
485 ffplay
486 ffserver
487 gpl
488 gprof
489 ipv6
490 liba52
491 liba52bin
492 libdts
493 libfaac
494 libfaad
495 libfaadbin
496 libgsm
497 libmp3lame
498 libnut
499 libogg
500 libtheora
501 libvorbis
502 memalign_hack
503 mpegaudio_hp
504 network
505 powerpc_perf
506 pp
507 protocols
508 swscaler
509 vhook
510 v4l
511 v4l2
512 wince
513 x11grab
514 x264
515 xvid
516 zlib
517 '
518
519 HAVE_LIST='
520 altivec
521 altivec_h
522 armv5te
523 armv6
524 beosthreads
525 byteswap_h
526 cmov
527 dcbzl
528 dev_bktr_ioctl_bt848_h
529 dev_bktr_ioctl_meteor_h
530 dev_ic_bt8xx_h
531 dev_video_meteor_ioctl_meteor_h
532 dev_video_bktr_ioctl_bt848_h
533 dlfcn_h
534 dlopen
535 fast_cmov
536 freetype2
537 imlib2
538 inet_aton
539 iwmmxt
540 localtime_r
541 lrintf
542 machine_ioctl_bt848_h
543 machine_ioctl_meteor_h
544 malloc_h
545 memalign
546 mlib
547 mmi
548 mmx
549 os2
550 os2threads
551 pthreads
552 sdl
553 sdl_video_size
554 soundcard_h
555 sys_soundcard_h
556 threads
557 w32threads
558 '
559
560 TARGET_LIST='
561 altivec
562 armv5te
563 armv6
564 iwmmxt
565 mmi
566 mmx
567 '
568
569 CMDLINE_SELECT="
570 $CONFIG_LIST
571 $TARGET_LIST
572 debug
573 extra_warnings
574 mingw32
575 shared
576 static
577 beosthreads
578 os2threads
579 pthreads
580 w32threads
581 "
582
583 flashsv_decoder_deps="zlib"
584 flashsv_encoder_deps="zlib"
585 mpeg_xvmc_decoder_deps="xvmc"
586 png_decoder_deps="zlib"
587 png_encoder_deps="zlib"
588 x264_encoder_deps="x264"
589 xvid_encoder_deps="xvid"
590 zmbv_decoder_deps="zlib"
591 zmbv_encoder_deps="zlib"
592
593 aac_decoder_deps="libfaad"
594 mpeg4aac_decoder_deps="libfaad"
595 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
596 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
597 amr_wb_decoder_deps="amr_wb"
598 amr_wb_encoder_deps="amr_wb"
599 dts_decoder_deps="libdts"
600 faac_encoder_deps="libfaac"
601 liba52_decoder_deps="liba52"
602 libgsm_decoder_deps="libgsm"
603 libgsm_encoder_deps="libgsm"
604 libtheora_encoder_deps="libtheora"
605 mp3lame_encoder_deps="libmp3lame"
606 oggvorbis_decoder_deps="libvorbis"
607 oggvorbis_encoder_deps="libvorbis"
608
609 audio_demuxer_deps_any="audio_oss audio_beos"
610 audio_muxer_deps_any="audio_oss audio_beos"
611 dc1394_demuxer_deps="dc1394"
612 dv1394_demuxer_deps="dv1394"
613 gxf_muxer_deps="gpl"
614 libnut_demuxer_deps="libnut"
615 libnut_muxer_deps="libnut"
616 ogg_muxer_deps="libogg"
617 redir_demuxer_deps="network"
618 rtp_muxer_deps="network"
619 rtsp_demuxer_deps="network"
620 sdp_demuxer_deps="network"
621 v4l2_demuxer_deps="v4l2"
622 video_grab_device_demuxer_deps_any="v4l bktr"
623 x11_grab_device_demuxer_deps="x11grab"
624
625 ffplay_deps="sdl"
626 ffserver_deps="network protocols muxers"
627 network_deps="protocols"
628
629 # set temporary file name
630 if test ! -z "$TMPDIR" ; then
631 TMPDIR1="${TMPDIR}"
632 elif test ! -z "$TEMPDIR" ; then
633 TMPDIR1="${TEMPDIR}"
634 else
635 TMPDIR1="/tmp"
636 fi
637
638 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
639 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
640 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
641 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
642 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
643
644 # default parameters
645
646 logging="yes"
647 logfile="config.err"
648
649 # installation paths
650 PREFIX="/usr/local"
651 libdir='${PREFIX}/lib'
652 shlibdir="$libdir"
653 incdir='${PREFIX}/include/ffmpeg'
654 mandir='${PREFIX}/man'
655 bindir='${PREFIX}/bin'
656
657 # toolchain
658 cross_prefix=""
659 cross_compile="no"
660 cc="gcc"
661 ar="ar"
662 ranlib="ranlib"
663 make="make"
664 strip="strip"
665 asmalign_pot="unknown"
666
667 # machine
668 arch=`uname -m`
669 cpu="generic"
670 powerpc_perf="no"
671 mmx="default"
672 cmov="no"
673 fast_cmov="no"
674 armv5te="default"
675 armv6="default"
676 iwmmxt="default"
677 altivec="default"
678 dcbzl="no"
679 mmi="default"
680 bigendian="no"
681
682 case "$arch" in
683 i386|i486|i586|i686|i86pc|BePC)
684 arch="x86_32"
685 ;;
686 x86_64|amd64)
687 arch="x86_32"
688 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
689 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
690 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
691 arch="x86_64"
692 fi
693 fi
694 ;;
695 # armv4l is a subset of armv[567]*l
696 arm|armv[4567]*l)
697 arch="armv4l"
698 ;;
699 alpha)
700 arch="alpha"
701 ;;
702 "Power Macintosh"|ppc|ppc64|powerpc)
703 arch="powerpc"
704 ;;
705 mips|mipsel|IP*)
706 arch="mips"
707 ;;
708 sun4u|sparc64)
709 arch="sparc64"
710 ;;
711 sparc)
712 arch="sparc"
713 ;;
714 sh4)
715 arch="sh4"
716 ;;
717 parisc|parisc64)
718 arch="parisc"
719 ;;
720 s390|s390x)
721 arch="s390"
722 ;;
723 m68k)
724 arch="m68k"
725 ;;
726 ia64)
727 arch="ia64"
728 ;;
729 bfin)
730 arch="bfin"
731 ;;
732 *)
733 arch="unknown"
734 ;;
735 esac
736
737 # OS
738 beos_netserver="no"
739 mingw32="no"
740 os2="no"
741 wince="no"
742
743 # non-library system interfaces
744 audio_beos="no"
745 audio_oss="yes"
746 bktr="yes"
747 dv1394="yes"
748 v4l2="yes"
749 v4l="yes"
750
751 # libraries
752 amr_if2="no"
753 amr_nb="no"
754 amr_nb_fixed="no"
755 amr_wb="no"
756 avisynth="no"
757 dc1394="no"
758 dlfcn_h="no"
759 dlopen="no"
760 liba52="no"
761 liba52bin="no"
762 libdts="no"
763 libfaac="no"
764 libfaad2="no"
765 libfaad="no"
766 libfaadbin="no"
767 libgsm="no"
768 libmp3lame="no"
769 libnut="no"
770 libogg="no"
771 libtheora="no"
772 libvorbis="no"
773 mlib="no"
774 x11grab="no"
775 x264="no"
776 xvid="no"
777 zlib="yes"
778
779 # configurable options
780 debug="yes"
781 dostrip="yes"
782 extra_warnings="no"
783 ffmpeg="yes"
784 ffplay="yes"
785 ffserver="yes"
786 gpl="no"
787 gprof="no"
788 ipv6="yes"
789 shared="no"
790 static="yes"
791 memalign_hack="no"
792 mpegaudio_hp="yes"
793 network="yes"
794 optimize="yes"
795 pp="no"
796 protocols="yes"
797 swscaler="no"
798 vhook="default"
799
800 # threading
801 beosthreads="no"
802 os2threads="no"
803 pthreads="no"
804 w32threads="no"
805 thread_type="no"
806
807 # build settings
808 extralibs="-lm"
809 SHFLAGS='-shared -Wl,-soname,$@'
810 VHOOKSHFLAGS='$(SHFLAGS)'
811 LIBOBJFLAGS=""
812 FFLDFLAGS=-Wl,--warn-common
813 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
814 FFSERVERLDFLAGS=-Wl,-E
815 LDCONFIG="ldconfig"
816 LIBPREF="lib"
817 LIBSUF=".a"
818 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
819 SLIBPREF="lib"
820 SLIBSUF=".so"
821 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
822 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
823 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
824 EXESUF=""
825 BUILDSUF=""
826 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
827
828 # OS specific
829 targetos=`uname -s`
830 case $targetos in
831 BeOS|Haiku|Zeta)
832 PREFIX="$HOME/config"
833 # helps building libavcodec
834 add_cflags "-DPIC -fomit-frame-pointer"
835 # 3 gcc releases known for BeOS, each with ugly bugs
836 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
837 case "$gcc_version" in
838 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
839 mmx="no"
840 ;;
841 *20010315*) echo "BeBits gcc"
842 add_cflags "-fno-expensive-optimizations"
843 ;;
844 esac
845 LDCONFIG="echo ignoring ldconfig"
846 SHFLAGS=-nostart
847 # disable Linux things
848 dv1394="no"
849 # enable BeOS things
850 audio_beos="yes"
851 # no need for libm, but the inet stuff
852 # Check for BONE
853 # XXX: actually should check for NOT net_server
854 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
855 extralibs="-lbind -lsocket"
856 else
857 beos_netserver="yes"
858 extralibs="-lnet"
859 fi ;;
860 SunOS)
861 dv1394="no"
862 FFLDFLAGS=""
863 FFSERVERLDFLAGS=""
864 SHFLAGS="-shared -Wl,-h,\$@"
865 add_extralibs "-lsocket -lnsl"
866 ;;
867 NetBSD)
868 dv1394="no"
869 add_extralibs "-lossaudio"
870 ;;
871 OpenBSD)
872 dv1394="no"
873 need_memalign="no"
874 LIBOBJFLAGS="\$(PIC)"
875 LDCONFIG="ldconfig -m \$(shlibdir)"
876 SHFLAGS='-shared'
877 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
878 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
879 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
880 add_extralibs "-lossaudio"
881 ;;
882 FreeBSD)
883 dv1394="no"
884 need_memalign="no"
885 add_cflags "-pthread"
886 ;;
887 GNU/kFreeBSD)
888 dv1394="no"
889 add_cflags "-pthread"
890 ;;
891 BSD/OS)
892 dv1394="no"
893 extralibs="-lpoll -lgnugetopt -lm"
894 strip="strip -d"
895 ;;
896 Darwin)
897 cc="cc"
898 dv1394="no"
899 need_memalign="no"
900 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
901 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
902 extralibs=""
903 strip="strip -x"
904 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
905 SLIBSUF=".dylib"
906 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
907 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
908 FFSERVERLDFLAGS=-Wl,-bind_at_load
909 ;;
910 MINGW32*)
911 # Note: the rest of the mingw32 config is done afterwards as mingw32
912 # can be forced on the command line for Linux cross compilation.
913 mingw32="yes"
914 ;;
915 CYGWIN*)
916 targetos=CYGWIN
917 shlibdir="$bindir"
918 dv1394="no"
919 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
920 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
921 extralibs=""
922 EXESUF=".exe"
923 SLIBPREF="cyg"
924 SLIBSUF=".dll"
925 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
926 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
927 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
928 ;;
929 Linux)
930 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
931 ;;
932 IRIX*)
933 targetos=IRIX
934 ranlib="echo ignoring ranlib"
935 ;;
936 OS/2)
937 TMPE=$TMPE".exe"
938 ar="emxomfar -p128"
939 ranlib="echo ignoring ranlib"
940 strip="echo ignoring strip"
941 add_cflags "-Zomf"
942 FFLDFLAGS="-Zomf -Zstack 16384 -s"
943 SHFLAGS="-Zdll -Zomf"
944 FFSERVERLDFLAGS=""
945 LIBPREF=""
946 LIBSUF=".lib"
947 SLIBPREF=""
948 SLIBSUF=".dll"
949 EXESUF=".exe"
950 extralibs=""
951 pkg_requires=""
952 dv1394="no"
953 ffserver="no"
954 vhook="no"
955 os2="yes"
956 ;;
957 *)
958 targetos="${targetos}-UNKNOWN"
959 ;;
960 esac
961
962 # find source path
963 source_path="`dirname \"$0\"`"
964 source_path_used="yes"
965 if test -z "$source_path" -o "$source_path" = "." ; then
966 source_path="`pwd`"
967 source_path_used="no"
968 else
969 source_path="`cd \"$source_path\"; pwd`"
970 echo "$source_path" | grep -q '[[:blank:]]' &&
971 die "Out of tree builds are impossible with whitespace in source path."
972 fi
973
974 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
975 show_help
976 fi
977
978 FFMPEG_CONFIGURATION="$@"
979
980 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
981 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
982 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
983 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
984 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
985
986 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
987
988 die_unknown(){
989 echo "Unknown option \"$1\"."
990 echo "See $0 --help for available options."
991 exit 1
992 }
993
994 for opt do
995 optval="${opt#*=}"
996 case "$opt" in
997 --log)
998 ;;
999 --log=*) logging="$optval"
1000 ;;
1001 --prefix=*) PREFIX="$optval"
1002 ;;
1003 --libdir=*) libdir="$optval"
1004 ;;
1005 --shlibdir=*) shlibdir="$optval"
1006 ;;
1007 --incdir=*) incdir="$optval"
1008 ;;
1009 --mandir=*) mandir="$optval"
1010 ;;
1011 --source-path=*) source_path="$optval"
1012 ;;
1013 --cross-prefix=*) cross_prefix="$optval"
1014 ;;
1015 --cross-compile) cross_compile="yes"
1016 ;;
1017 --cc=*) cc="$optval"
1018 ;;
1019 --make=*) make="$optval"
1020 ;;
1021 --extra-cflags=*) add_cflags "$optval"
1022 ;;
1023 --extra-ldflags=*) add_ldflags "$optval"
1024 ;;
1025 --extra-libs=*) add_extralibs "$optval"
1026 ;;
1027 --build-suffix=*) BUILDSUF="$optval"
1028 ;;
1029 --arch=*) arch="$optval"
1030 ;;
1031 --cpu=*) cpu="$optval"
1032 ;;
1033 --enable-mingwce) wince="yes"
1034 ;;
1035 --disable-opts) optimize="no"
1036 ;;
1037 --enable-small) optimize="small"
1038 ;;
1039 --enable-sunmlib) mlib="yes"
1040 ;;
1041 --disable-strip) dostrip="no"
1042 ;;
1043 --disable-encoders) disable $ENCODER_LIST
1044 ;;
1045 --disable-decoders) disable $DECODER_LIST
1046 ;;
1047 --disable-muxers) disable $MUXER_LIST
1048 ;;
1049 --disable-demuxers) disable $DEMUXER_LIST
1050 ;;
1051 --disable-parsers) disable $PARSER_LIST
1052 ;;
1053 --enable-*=*|--disable-*=*)
1054 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1055 case "$thing" in
1056 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
1057 *) die_unknown "$opt" ;;
1058 esac
1059 ;;
1060 --enable-?*|--disable-?*)
1061 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1062 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1063 $action $option
1064 ;;
1065 --help) show_help
1066 ;;
1067 *)
1068 die_unknown $opt
1069 ;;
1070 esac
1071 done
1072
1073 if ! disabled logging ; then
1074 enabled logging || logfile="$logging"
1075 echo "# $0 $@" >$logfile
1076 set >>$logfile
1077 else
1078 logfile=/dev/null
1079 fi
1080
1081 if enabled_any mingw32 wince; then
1082 if enabled_all shared static; then
1083 cat <<EOF
1084 You can only build one library type at once on MinGW.
1085 Specify --disable-static --enable-shared to only build
1086 the shared libraries. To build only the static libraries
1087 you do not need to pass additional options.
1088 EOF
1089 exit 1
1090 fi
1091 dv1394="no"
1092 dc1394="no"
1093 ffserver="no"
1094 network="no"
1095 if enabled wince; then
1096 protocols="no"
1097 fi
1098 SLIBPREF=""
1099 SLIBSUF=".dll"
1100 EXESUF=".exe"
1101 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1102 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1103 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1104 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1105 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1106 fi
1107
1108 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1109 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1110
1111 test -n "$cross_prefix" && cross_compile=yes
1112 cc="${cross_prefix}${cc}"
1113 ar="${cross_prefix}${ar}"
1114 ranlib="${cross_prefix}${ranlib}"
1115 strip="${cross_prefix}${strip}"
1116
1117 # we need to build at least one lib type
1118 if disabled_all static shared; then
1119 cat <<EOF
1120 At least one library type must be built.
1121 Specify --enable-static to build the static libraries or --enable-shared to
1122 build the shared libraries as well. To only build the shared libraries specify
1123 --disable-static in addition to --enable-shared.
1124 EOF
1125 exit 1;
1126 fi
1127
1128 if disabled libogg; then
1129 enabled libtheora && die "libogg must be enabled to enable libtheora."
1130 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1131 fi
1132
1133 if enabled_any libfaad libfaadbin ; then
1134 if check_header faad.h; then
1135 check_cc << EOF
1136 #include <faad.h>
1137 #ifndef FAAD2_VERSION
1138 ok faad1
1139 #endif
1140 int main( void ) { return 0; }
1141 EOF
1142 test $? = 0 && enable libfaad2
1143 else
1144 die "FAAD test failed."
1145 fi
1146 fi
1147
1148
1149 if disabled gpl ; then
1150 die_gpl_disabled(){
1151 name=$1
1152 shift
1153 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1154 }
1155 die_gpl_disabled "The Postprocessing code" pp
1156 die_gpl_disabled "liba52" liba52
1157 die_gpl_disabled "libxvidcore" xvid
1158 die_gpl_disabled "x264" x264
1159 die_gpl_disabled "libdts" libdts
1160 die_gpl_disabled "FAAD2" libfaad2
1161 die_gpl_disabled "The X11 grabber" x11grab
1162 die_gpl_disabled "The software scaler" swscaler
1163 fi
1164
1165 # compute MMX state
1166 if test $mmx = "default"; then
1167 if test $arch = "x86_32" -o $arch = "x86_64"; then
1168 mmx="yes"
1169 else
1170 mmx="no"
1171 fi
1172 fi
1173
1174 test -z "$need_memalign" && need_memalign="$mmx"
1175
1176 #Darwin CC versions
1177 needmdynamicnopic="no"
1178 if test $targetos = Darwin; then
1179 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1180 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1181 else
1182 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1183 case "$gcc_version" in
1184 *2.95*)
1185 add_cflags "-no-cpp-precomp -pipe"
1186 ;;
1187 *[34].*)
1188 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1189 if disabled shared; then
1190 needmdynamicnopic="yes"
1191 fi
1192 ;;
1193 *)
1194 add_cflags "-no-cpp-precomp -pipe"
1195 if disabled shared; then
1196 needmdynamicnopic="yes"
1197 fi
1198 ;;
1199 esac
1200 fi
1201 fi
1202
1203 disabled optimize || add_cflags -fomit-frame-pointer
1204
1205 # Can only do AltiVec on PowerPC
1206 if test $altivec = "default"; then
1207 if test $arch = "powerpc"; then
1208 altivec="yes"
1209 else
1210 altivec="no"
1211 fi
1212 fi
1213
1214 # Add processor-specific flags
1215 POWERPCMODE="32bits"
1216 if test $cpu != "generic"; then
1217 warn_altivec(){
1218 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1219 }
1220 case $cpu in
1221 601|ppc601|PowerPC601)
1222 add_cflags "-mcpu=601"
1223 warn_altivec enabled PPC601
1224 ;;
1225 603*|ppc603*|PowerPC603*)
1226 add_cflags "-mcpu=603"
1227 warn_altivec enabled PPC603
1228 ;;
1229 604*|ppc604*|PowerPC604*)
1230 add_cflags "-mcpu=604"
1231 warn_altivec enabled PPC604
1232 ;;
1233 G3|g3|75*|ppc75*|PowerPC75*)
1234 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1235 warn_altivec enabled PPC75x
1236 ;;
1237 G4|g4|745*|ppc745*|PowerPC745*)
1238 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1239 warn_altivec disabled PPC745x
1240 ;;
1241 74*|ppc74*|PowerPC74*)
1242 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1243 warn_altivec disabled PPC74xx
1244 ;;
1245 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1246 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1247 warn_altivec disabled PPC970
1248 POWERPCMODE="64bits"
1249 ;;
1250 # targets that do NOT support conditional mov (cmov)
1251 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1252 add_cflags "-march=$cpu"
1253 cmov="no"
1254 ;;
1255 # targets that do support conditional mov (cmov)
1256 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1257 add_cflags "-march=$cpu"
1258 cmov="yes"
1259 fast_cmov="yes"
1260 ;;
1261 # targets that do support conditional mov but on which it's slow
1262 pentium4|prescott|nocona)
1263 add_cflags "-march=$cpu"
1264 cmov="yes"
1265 fast_cmov="no"
1266 ;;
1267 sparc64)
1268 add_cflags "-mcpu=v9"
1269 ;;
1270 *)
1271 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1272 ;;
1273 esac
1274 fi
1275
1276 gnu_make(){
1277 $1 --version 2>&1 | grep -q GNU
1278 }
1279
1280 if ! gnu_make $make; then
1281 gnu_make gmake && make=gmake || die "GNU make not found."
1282 fi
1283
1284 # make sure we can execute files in $TMPDIR
1285 cat >$TMPE 2>>$logfile <<EOF
1286 #! /bin/sh
1287 EOF
1288 chmod +x $TMPE >>$logfile 2>&1
1289 if ! $TMPE >>$logfile 2>&1; then
1290 cat <<EOF
1291 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1292 variable to another directory and make sure that $TMPDIR1 is not mounted
1293 noexec.
1294 EOF
1295 die "Sanity test failed."
1296 fi
1297 rm $TMPE
1298
1299 # compiler sanity check
1300 check_exec <<EOF
1301 int main(){
1302 return 0;
1303 }
1304 EOF
1305 if test "$?" != 0; then
1306 echo "$cc is unable to create an executable file."
1307 if test -z "$cross_prefix" && disabled cross_compile ; then
1308 echo "If $cc is a cross-compiler, use the --cross-compile option."
1309 echo "Only do this if you know what cross compiling means."
1310 fi
1311 die "C compiler test failed."
1312 fi
1313
1314 # check for assembler specific support
1315
1316 if test $arch = "powerpc"; then
1317 check_cc <<EOF && dcbzl=yes
1318 int main(void) {
1319 register long zero = 0;
1320 char data[1024];
1321 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1322 return 0;
1323 }
1324 EOF
1325 fi
1326
1327 # check for SIMD availability
1328
1329 # AltiVec flags: The FSF version of GCC differs from the Apple version
1330 if test $arch = "powerpc"; then
1331 if enabled altivec; then
1332 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1333 add_cflags "-faltivec"
1334 else
1335 add_cflags "-maltivec -mabi=altivec"
1336 fi
1337 fi
1338 fi
1339
1340 check_header altivec.h
1341
1342 # check if our compiler supports Motorola AltiVec C API
1343 if enabled altivec; then
1344 if enabled altivec_h; then
1345 inc_altivec_h="#include <altivec.h>"
1346 else
1347 inc_altivec_h=
1348 fi
1349 check_cc <<EOF || altivec=no
1350 $inc_altivec_h
1351 int main(void) {
1352 vector signed int v1, v2, v3;
1353 v1 = vec_add(v2,v3);
1354 return 0;
1355 }
1356 EOF
1357 fi
1358
1359 # check armv5te instructions support
1360 if test $armv5te = "default" -a $arch = "armv4l"; then
1361 armv5te=no
1362 check_cc <<EOF && armv5te=yes
1363 int main(void) {
1364 __asm__ __volatile__ ("qadd r0, r0, r0");
1365 }
1366 EOF
1367 fi
1368
1369 if test $armv6 = "default" -a $arch = "armv4l"; then
1370 check_cc <<EOF && armv6=yes || armv6=no
1371 int main(void) {
1372 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1373 }
1374 EOF
1375 fi
1376
1377 # check iwmmxt support
1378 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1379 iwmmxt=no
1380 check_cc <<EOF && iwmmxt=yes
1381 int main(void) {
1382 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1383 }
1384 EOF
1385 fi
1386
1387 # mmi only available on mips
1388 if test $mmi = "default"; then
1389 if test $arch = "mips"; then
1390 mmi="yes"
1391 else
1392 mmi="no"
1393 fi
1394 fi
1395
1396 # check if our compiler supports mmi
1397 enabled mmi && check_cc <<EOF || mmi="no"
1398 int main(void) {
1399 __asm__ ("lq \$2, 0(\$2)");
1400 return 0;
1401 }
1402 EOF
1403
1404 # ---
1405 # big/little-endian test
1406 if disabled cross_compile; then
1407 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1408 #include <inttypes.h>
1409 int main(int argc, char ** argv){
1410 volatile uint32_t i=0x01234567;
1411 return (*((uint8_t*)(&i))) == 0x67;
1412 }
1413 EOF
1414 else
1415 # programs cannot be launched if cross compiling, so make a static guess
1416 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1417 bigendian="yes"
1418 fi
1419 fi
1420
1421 # ---
1422 # check availability of some header files
1423
1424 check_header malloc.h
1425 check_func memalign
1426
1427 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1428 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1429 fi
1430
1431 check_header byteswap.h
1432
1433 check_func inet_aton
1434 check_func localtime_r
1435 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1436
1437 # check for some common methods of building with pthread support
1438 # do this before the optional library checks as some of them require pthreads
1439 if enabled pthreads; then
1440 if check_func pthread_create; then
1441 :
1442 elif check_func pthread_create -pthread; then
1443 add_cflags -pthread
1444 add_ldflags -pthread
1445 elif check_func pthread_create -pthreads; then
1446 add_cflags -pthreads
1447 add_ldflags -pthreads
1448 elif ! check_lib pthread.h pthread_create -lpthread; then
1449 die "ERROR: can't find pthreads library"
1450 fi
1451 fi
1452
1453 for thread in pthreads beosthreads os2threads w32threads; do
1454 if enabled $thread; then
1455 if ! disabled thread_type ; then
1456 die "ERROR: Only one thread type must be selected."
1457 else
1458 thread_type="$thread"
1459 fi
1460 fi
1461 done
1462
1463 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1464 enabled_all amr_nb amr_nb_fixed &&
1465 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1466
1467 # these are off by default, so fail if requested and not available
1468 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1469 enabled libdts && require libdts dts.h dts_init -ldts -lm
1470 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1471 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1472 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1473 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1474 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1475 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1476 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1477 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1478 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1479 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1480
1481 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1482 # the generic test functions
1483 if enabled libfaac; then
1484 save_flags
1485 temp_extralibs -lfaac
1486 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1487 #include <stdint.h>
1488 #include <faac.h>
1489 int main(){
1490 char *id, *cpr;
1491 faacEncGetVersion(&id, &cpr);
1492 return 0;
1493 }
1494 EOF
1495 restore_flags
1496 fi
1497
1498 # Ugh, recent faad2 versions have renamed all functions and #define the
1499 # old names in faad.h. Generic tests won't work.
1500 if enabled libfaad; then
1501 save_flags
1502 temp_extralibs -lfaad
1503 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1504 #include <faad.h>
1505 int main(){
1506 faacDecOpen();
1507 return 0;
1508 }
1509 EOF
1510 restore_flags
1511 fi
1512
1513 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1514 if enabled avisynth; then
1515 save_flags
1516 temp_extralibs -lvfw32
1517 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1518 #include <windows.h>
1519 #include <vfw.h>
1520 int main(){
1521 AVIFileInit();
1522 return 0;
1523 }
1524 EOF
1525 restore_flags
1526 fi
1527
1528
1529 # test for lrintf in math.h
1530 check_exec <<EOF && lrintf=yes || lrintf=no
1531 #define _ISOC9X_SOURCE 1
1532 #include <math.h>
1533 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1534 EOF
1535
1536 _restrict=
1537 for restrict_keyword in restrict __restrict__ __restrict; do
1538 check_cc <<EOF && _restrict=$restrict_keyword && break
1539 void foo(char * $restrict_keyword p);
1540 EOF
1541 done
1542
1543 # dlopen/dlfcn.h probing
1544
1545 check_header dlfcn.h
1546
1547 if check_func dlopen; then
1548 ldl=
1549 elif check_func dlopen -ldl; then
1550 ldl=-ldl
1551 fi
1552
1553 test "$vhook" = "default" && vhook="$dlopen"
1554
1555 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1556
1557 if test "$targetos" = "CYGWIN" && enabled static ; then
1558 vhook="no"
1559 echo
1560 echo "At the moment vhooks don't work on Cygwin static builds."
1561 echo "Patches welcome."
1562 echo
1563 fi
1564
1565 if enabled vhook; then
1566 check_ldflags -rdynamic
1567 check_ldflags -export-dynamic
1568 fi
1569
1570 enabled audio_beos && add_extralibs "-lmedia -lbe"
1571
1572 ##########################################
1573 # imlib check
1574
1575 imlib2=no
1576 if imlib2-config --version >/dev/null 2>&1; then
1577 temp_cflags `imlib2-config --cflags`
1578 temp_extralibs `imlib2-config --libs`
1579 check_lib Imlib2.h imlib_load_font && enable imlib2
1580 restore_flags
1581 fi
1582
1583 ##########################################
1584 # FreeType check
1585
1586 freetype2=no
1587 if freetype-config --version >/dev/null 2>&1; then
1588 temp_cflags `freetype-config --cflags`
1589 temp_extralibs `freetype-config --libs`
1590 check_lib ft2build.h FT_Init_FreeType && enable freetype2
1591 restore_flags
1592 fi
1593
1594 ##########################################
1595 # SDL check
1596
1597 sdl_too_old=no
1598 sdl=no
1599 SDL_CONFIG="${cross_prefix}sdl-config"
1600 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1601 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1602 temp_cflags $sdl_cflags
1603 temp_extralibs `"${SDL_CONFIG}" --libs`
1604 if check_lib SDL.h SDL_Init; then
1605 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1606 if test "$_sdlversion" -lt 121 ; then
1607 sdl_too_old=yes
1608 else
1609 sdl=yes
1610 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1611 #include <SDL.h>
1612 int main(void){
1613 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1614 int w = vi->current_w;
1615 return 0;
1616 }
1617 EOF
1618 fi
1619 fi
1620 restore_flags
1621 fi
1622
1623 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1624
1625 ##########################################
1626 # IPv6 check
1627
1628 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1629 #include <sys/types.h>
1630 #include <sys/socket.h>
1631 #include <netinet/in.h>
1632 #include <netdb.h>
1633 int main( void ) {
1634 struct sockaddr_storage saddr;
1635 struct ipv6_mreq mreq6;
1636 getaddrinfo(0,0,0,0);
1637 getnameinfo(0,0,0,0,0,0,0);
1638 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1639 }
1640 EOF
1641
1642 enabled v4l && check_header linux/videodev.h || disable v4l
1643 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1644
1645 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1646 if enabled bktr; then
1647 { check_header dev/bktr/ioctl_meteor.h &&
1648 check_header dev/bktr/ioctl_bt848.h; } ||
1649 { check_header machine/ioctl_meteor.h &&
1650 check_header machine/ioctl_bt848.h; } ||
1651 { check_header dev/video/meteor/ioctl_meteor.h &&
1652 check_header dev/video/bktr/ioctl_bt848.h; } ||
1653 check_header dev/ic/bt8xx.h ||
1654 disable bktr
1655 fi
1656
1657 enabled audio_oss &&
1658 check_header sys/soundcard.h ||
1659 check_header soundcard.h ||
1660 disable audio_oss
1661
1662 # Deal with the x11 frame grabber
1663 enabled x11grab &&
1664 enabled gpl &&
1665 enabled x11_grab_device_demuxer &&
1666 check_header X11/Xlib.h &&
1667 check_header X11/extensions/XShm.h &&
1668 check_func XOpenDisplay -lX11 &&
1669 check_func XShmCreateImage -lX11 -lXext &&
1670 add_extralibs -lX11 -lXext ||
1671 disable x11_grab_device_demuxer
1672
1673 enabled debug && add_cflags -g
1674
1675 # add some useful compiler flags if supported
1676 check_cflags -Wdeclaration-after-statement
1677 check_cflags -Wall
1678 check_cflags -Wno-switch
1679 check_cflags -Wdisabled-optimization
1680 check_cflags -Wpointer-arith
1681 check_cflags -Wredundant-decls
1682 check_cflags -Wno-pointer-sign
1683 enabled extra_warnings && check_cflags -Winline
1684
1685 # add some linker flags
1686 check_ldflags $LDLATEFLAGS
1687
1688 # not all compilers support -Os
1689 test "$optimize" = "small" && check_cflags -Os
1690
1691 if enabled optimize; then
1692 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1693 add_cflags "-O5"
1694 add_ldflags "-O5"
1695 else
1696 add_cflags "-O3"
1697 fi
1698 fi
1699
1700 # PIC flags for shared library objects where they are needed
1701 if enabled shared; then
1702 # LIBOBJFLAGS may have already been set in the OS configuration
1703 if test -z "$LIBOBJFLAGS" ; then
1704 case "$arch" in
1705 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1706 esac
1707 fi
1708 fi
1709
1710 if enabled gprof; then
1711 add_cflags "-p"
1712 add_ldflags "-p"
1713 fi
1714
1715 VHOOKCFLAGS="-fPIC $CFLAGS"
1716 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1717
1718 # find if .align arg is power-of-two or not
1719 if test $asmalign_pot = "unknown"; then
1720 asmalign_pot="no"
1721 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1722 fi
1723
1724 enabled_any $ENCODER_LIST && enable encoders
1725 enabled_any $DECODER_LIST && enable decoders
1726 enabled_any $MUXER_LIST && enable muxers
1727 enabled_any $DEMUXER_LIST && enable demuxers
1728
1729 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1730
1731 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1732 $DEMUXER_LIST $MUXER_LIST
1733
1734 enabled libogg && append pkg_requires "ogg >= 1.1"
1735 enabled libtheora && append pkg_requires "theora"
1736 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1737 enabled dc1394 && append pkg_requires "libraw1394"
1738
1739 echo "install prefix $PREFIX"
1740 echo "source path $source_path"
1741 echo "C compiler $cc"
1742 echo "make $make"
1743 echo ".align is power-of-two $asmalign_pot"
1744 echo "ARCH $arch ($cpu)"
1745 if test "$BUILDSUF" != ""; then
1746 echo "build suffix $BUILDSUF"
1747 fi
1748 echo "big-endian $bigendian"
1749 if test $arch = "x86_32" -o $arch = "x86_64"; then
1750 echo "MMX enabled $mmx"
1751 echo "CMOV enabled $cmov"
1752 echo "CMOV is fast $fast_cmov"
1753 fi
1754 if test $arch = "armv4l"; then
1755 echo "ARMv5TE enabled $armv5te"
1756 echo "ARMv6 enabled $armv6"
1757 echo "IWMMXT enabled $iwmmxt"
1758 fi
1759 if test $arch = "mips"; then
1760 echo "MMI enabled $mmi"
1761 fi
1762 if test $arch = "powerpc"; then
1763 echo "AltiVec enabled $altivec"
1764 echo "dcbzl available $dcbzl"
1765 fi
1766 echo "gprof enabled $gprof"
1767 echo "debug symbols $debug"
1768 echo "strip symbols $dostrip"
1769 echo "optimize $optimize"
1770 echo "static $static"
1771 echo "shared $shared"
1772 echo "postprocessing support $pp"
1773 echo "software scaler enabled $swscaler"
1774 echo "video hooking $vhook"
1775 if enabled vhook; then
1776 echo "Imlib2 support $imlib2"
1777 echo "FreeType support $freetype2"
1778 fi
1779 echo "network support $network"
1780 if enabled network; then
1781 echo "IPv6 support $ipv6"
1782 fi
1783 echo "threading support $thread_type"
1784 echo "SDL support $sdl"
1785 if enabled sdl_too_old; then
1786 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1787 fi
1788 echo "Sun medialib support $mlib"
1789 echo "AVISynth enabled $avisynth"
1790 echo "liba52 support $liba52"
1791 echo "liba52 dlopened $liba52bin"
1792 echo "libdts support $libdts"
1793 echo "libfaac enabled $libfaac"
1794 echo "libfaad enabled $libfaad"
1795 echo "faadbin enabled $libfaadbin"
1796 echo "libgsm enabled $libgsm"
1797 echo "libmp3lame enabled $libmp3lame"
1798 echo "libnut enabled $libnut"
1799 echo "libogg enabled $libogg"
1800 echo "libtheora enabled $libtheora"
1801 echo "libvorbis enabled $libvorbis"
1802 echo "x264 enabled $x264"
1803 echo "XviD enabled $xvid"
1804 echo "zlib enabled $zlib"
1805 echo "AMR-NB float support $amr_nb"
1806 echo "AMR-NB fixed support $amr_nb_fixed"
1807 echo "AMR-WB float support $amr_wb"
1808 echo "AMR-WB IF2 support $amr_if2"
1809 if disabled gpl; then
1810 echo "License: LGPL"
1811 else
1812 echo "License: GPL"
1813 fi
1814
1815 echo "Creating config.mak and config.h..."
1816
1817 echo "# Automatically generated by configure - do not modify!" > config.mak
1818 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1819 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1820
1821 echo "PREFIX=$PREFIX" >> config.mak
1822 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1823 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1824 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1825 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1826 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1827 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1828 echo "MAKE=$make" >> config.mak
1829 echo "CC=$cc" >> config.mak
1830 echo "AR=$ar" >> config.mak
1831 echo "RANLIB=$ranlib" >> config.mak
1832 if enabled dostrip; then
1833 echo "STRIP=$strip" >> config.mak
1834 else
1835 echo "STRIP=echo ignoring strip" >> config.mak
1836 fi
1837
1838 echo "OPTFLAGS=$CFLAGS" >> config.mak
1839 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1840 echo "LDFLAGS=$LDFLAGS" >> config.mak
1841 echo "LDCONFIG=$LDCONFIG" >> config.mak
1842 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1843 echo "SHFLAGS=$SHFLAGS" >> config.mak
1844 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1845 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1846 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1847 echo "BUILD_STATIC=$static" >> config.mak
1848 echo "BUILDSUF=$BUILDSUF" >> config.mak
1849 echo "LIBPREF=$LIBPREF" >> config.mak
1850 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1851 if enabled static; then
1852 echo "LIB=$LIB" >> config.mak
1853 else # Some Make complain if this variable does not exist.
1854 echo "LIB=" >> config.mak
1855 fi
1856 echo "SLIBPREF=$SLIBPREF" >> config.mak
1857 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1858 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1859 echo "TARGET_OS=$targetos" >> config.mak
1860
1861 ucarch=`toupper $arch`
1862 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1863 echo "#define ARCH_${ucarch} 1" >> $TMPH
1864
1865 # special cases
1866 case "$arch" in
1867 x86_32|x86_64)
1868 echo "TARGET_ARCH_X86=yes" >> config.mak
1869 echo "#define ARCH_X86 1" >> $TMPH
1870 ;;
1871 powerpc)
1872 if test "$POWERPCMODE" = "64bits"; then
1873 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1874 fi
1875 ;;
1876 sparc64)
1877 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1878 echo "#define ARCH_SPARC 1" >> $TMPH
1879 ;;
1880 esac
1881
1882 if enabled bigendian; then
1883 echo "WORDS_BIGENDIAN=yes" >> config.mak
1884 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1885 fi
1886 if enabled mmx; then
1887 echo "#define __CPU__ 586" >> $TMPH
1888 fi
1889
1890 if enabled sdl; then
1891 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1892 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1893 fi
1894 if enabled texi2html; then
1895 echo "BUILD_DOC=yes" >> config.mak
1896 fi
1897
1898 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1899 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1900 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1901 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1902 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1903
1904
1905
1906 if enabled shared; then
1907 echo "BUILD_SHARED=yes" >> config.mak
1908 echo "PIC=-fPIC -DPIC" >> config.mak
1909 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1910 echo "SPPVERSION=$pp_version" >> config.mak
1911 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1912 echo "LAVCVERSION=$lavc_version" >> config.mak
1913 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1914 echo "LAVFVERSION=$lavf_version" >> config.mak
1915 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1916 echo "LAVUVERSION=$lavu_version" >> config.mak
1917 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1918 echo "SWSVERSION=$sws_version" >> config.mak
1919 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1920 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1921 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1922 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1923 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1924 fi
1925 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1926 echo "EXTRALIBS=$extralibs" >> config.mak
1927
1928 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1929 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1930 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1931
1932 if test "$targetos" = "Darwin"; then
1933 echo "#define CONFIG_DARWIN 1" >> $TMPH
1934 fi
1935
1936 echo "#define restrict $_restrict" >> $TMPH
1937
1938 if test "$optimize" = "small"; then
1939 echo "#define always_inline" >> $TMPH
1940 echo "#define CONFIG_SMALL 1" >> $TMPH
1941 fi
1942
1943 echo "SRC_PATH=\"$source_path\"" >> config.mak
1944 echo "SRC_PATH_BARE=$source_path" >> config.mak
1945 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1946
1947 if enabled amr_if2; then
1948 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
1949 fi
1950
1951 # Apparently it's not possible to portably echo a backslash.
1952 if enabled asmalign_pot; then
1953 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1954 else
1955 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1956 fi
1957
1958
1959 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
1960 ucname="`toupper $codec`"
1961 config_name="CONFIG_$ucname"
1962 enabled_name="ENABLE_$ucname"
1963 if enabled $codec; then
1964 echo "#define $config_name 1" >> $TMPH
1965 echo "#define $enabled_name 1" >> $TMPH
1966 echo "$config_name=yes" >> config.mak
1967 else
1968 echo "#define $enabled_name 0" >> $TMPH
1969 fi
1970 done
1971
1972 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1973 if ! cmp -s $TMPH config.h; then
1974 mv -f $TMPH config.h
1975 else
1976 echo "config.h is unchanged"
1977 fi
1978
1979 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1980
1981 # build tree in object directory if source path is different from current one
1982 if enabled source_path_used; then
1983 DIRS="\
1984 doc \
1985 libavformat \
1986 libavcodec \
1987 libavcodec/alpha \
1988 libavcodec/armv4l \
1989 libavcodec/bfin \
1990 libavcodec/i386 \
1991 libavcodec/sparc \
1992 libavcodec/mlib \
1993 libavcodec/ppc \
1994 libavcodec/amr \
1995 libavcodec/amr_float \
1996 libavcodec/amrwb_float \
1997 libpostproc \
1998 libavutil \
1999 libswscale \
2000 tests \
2001 vhook \
2002 "
2003 FILES="\
2004 Makefile \
2005 common.mak \
2006 libavformat/Makefile \
2007 libavcodec/Makefile \
2008 libpostproc/Makefile \
2009 libavutil/Makefile \
2010 libswscale/Makefile \
2011 tests/Makefile \
2012 vhook/Makefile \
2013 doc/Makefile \
2014 doc/texi2pod.pl \
2015 "
2016 for dir in $DIRS ; do
2017 mkdir -p $dir
2018 done
2019 for f in $FILES ; do
2020 ln -sf "$source_path/$f" $f
2021 done
2022 fi
2023
2024
2025 # build pkg-config files
2026 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2027
2028 pkgconfig_generate(){
2029 name=$1
2030 comment=$2
2031 version=$3
2032 libs=$4
2033 requires=$5
2034 include=$6
2035 cat <<EOF >$name.pc
2036 prefix=$PREFIX
2037 exec_prefix=\${prefix}
2038 libdir=\${exec_prefix}/lib
2039 includedir=\${prefix}/include
2040
2041 Name: $name
2042 Description: $comment
2043 Version: $version
2044 Requires: $requires
2045 Conflicts:
2046 Libs: -L\${libdir} $libs
2047 Cflags: -I\${includedir} -I\${includedir}/$include
2048 EOF
2049 }
2050
2051 pkgconfig_generate_uninstalled(){
2052 name=$1
2053 shortname=${name#lib}
2054 comment=$2
2055 version=$3
2056 libs=$4
2057 requires=$5
2058 cat <<EOF >$name-uninstalled.pc
2059 prefix=
2060 exec_prefix=
2061 libdir=\${pcfiledir}/$name
2062 includedir=\${pcfiledir}/$name
2063
2064 Name: $name
2065 Description: $comment
2066 Version: $version
2067 Requires: $requires
2068 Conflicts:
2069 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2070 Cflags: -I\${includedir}
2071 EOF
2072 }
2073
2074 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2075 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2076
2077 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2078 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2079
2080 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2081 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2082
2083 if enabled pp; then
2084 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2085 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2086 fi
2087
2088 if enabled swscaler; then
2089 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2090 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2091 else
2092 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2093 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2094 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2095 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2096 fi