fba8c7c07e4b1f336f8e90e13c3e3ebb81848fd2
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6 # Copyright (c) 2005-2006 Diego Biurrun
7 # Copyright (c) 2005-2006 Mans Rullgard
8 #
9
10 # make sure we are running under a compatible shell
11 # try to make this part work with most shells
12
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
50 exit 1
51 fi
52
53 show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
65 echo " --enable-mingwce enable MinGW native/cross WinCE compile"
66 echo " --enable-static build static libraries [default=yes]"
67 echo " --disable-static do not build static libraries [default=no]"
68 echo " --enable-shared build shared libraries [default=no]"
69 echo " --disable-shared do not build shared libraries [default=yes]"
70 echo " --enable-gpl allow use of GPL code, the resulting libav*"
71 echo " and ffmpeg will be under GPL [default=no]"
72 echo " --enable-pp enable GPLed postprocessing support [default=no]"
73 echo " --enable-swscaler software scaler support [default=no]"
74 echo " --enable-beosthreads use BeOS threads [default=no]"
75 echo " --enable-os2threads use OS/2 threads [default=no]"
76 echo " --enable-pthreads use pthreads [default=no]"
77 echo " --enable-w32threads use Win32 threads [default=no]"
78 echo " --enable-x11grab enable X11 grabbing [default=no]"
79 echo
80 echo "External library support:"
81 echo " --enable-sunmlib use Sun medialib [default=no]"
82 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
83 echo " and libraw1394 [default=no]"
84 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
85 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
86 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
87 echo " --enable-libdts enable GPLed libdts support [default=no]"
88 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
89 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
90 echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]"
91 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
92 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
93 echo " --enable-libnut enable NUT (de)muxing via libnut,"
94 echo " native demuxer exists [default=no]"
95 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
96 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
97 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
98 echo " native implementations exist [default=no]"
99 echo " --enable-x264 enable H.264 encoding via x264 [default=no]"
100 echo " --enable-xvid enable Xvid encoding via xvidcore,"
101 echo " native MPEG-4/Xvid encoder exists [default=no]"
102 echo " --enable-amr-nb enable amr-nb floating point audio codec"
103 echo " --enable-amr-nb-fixed enable amr-nb fixed-point codec"
104 echo " --enable-amr-wb enable amr-wb floating point audio codec"
105 echo " --enable-amr-if2 enable amr-wb IF2 audio codec"
106 echo ""
107 echo "Advanced options (experts only):"
108 echo " --source-path=PATH path to source code [$source_path]"
109 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
110 echo " --cross-compile assume a cross-compiler is used"
111 echo " --target-os=OS compiler targets OS [$targetos]"
112 echo " --cc=CC use C compiler CC [$cc]"
113 echo " --make=MAKE use specified make [$make]"
114 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
115 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
116 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
117 echo " --build-suffix=SUFFIX suffix for application specific build []"
118 echo " --arch=ARCH select architecture [$arch]"
119 echo " --cpu=CPU selects the minimum cpu required (affects"
120 echo " instruction selection, may crash on older CPUs)"
121 echo " --enable-powerpc-perf enable performance report on PPC"
122 echo " (requires enabling PMC)"
123 echo " --disable-mmx disable MMX usage"
124 echo " --disable-armv5te disable armv5te usage"
125 echo " --disable-armv6 disable armv6 usage"
126 echo " --disable-iwmmxt disable iwmmxt usage"
127 echo " --disable-altivec disable AltiVec usage"
128 echo " --disable-audio-oss disable OSS audio support [default=no]"
129 echo " --disable-audio-beos disable BeOS audio support [default=no]"
130 echo " --disable-v4l disable video4linux grabbing [default=no]"
131 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
132 echo " --disable-bktr disable bktr video grabbing [default=no]"
133 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
134 echo " --disable-network disable network support [default=no]"
135 echo " --disable-ipv6 disable ipv6 support [default=no]"
136 echo " --disable-zlib disable zlib [default=no]"
137 echo " --disable-vhook disable video hooking support"
138 echo " --disable-debug disable debugging symbols"
139 echo " --disable-mpegaudio-hp faster (but less accurate)"
140 echo " MPEG audio decoding [default=no]"
141 echo " --disable-protocols disable I/O protocols support [default=no]"
142 echo " --disable-ffmpeg disable ffmpeg build"
143 echo " --disable-ffserver disable ffserver build"
144 echo " --disable-ffplay disable ffplay build"
145 echo " --enable-small optimize for size instead of speed"
146 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
147 echo " --disable-encoder=NAME disables encoder NAME"
148 echo " --enable-encoder=NAME enables encoder NAME"
149 echo " --disable-decoder=NAME disables decoder NAME"
150 echo " --enable-decoder=NAME enables decoder NAME"
151 echo " --disable-encoders disables all encoders"
152 echo " --disable-decoders disables all decoders"
153 echo " --disable-muxer=NAME disables muxer NAME"
154 echo " --enable-muxer=NAME enables muxer NAME"
155 echo " --disable-muxers disables all muxers"
156 echo " --disable-demuxer=NAME disables demuxer NAME"
157 echo " --enable-demuxer=NAME enables demuxer NAME"
158 echo " --disable-demuxers disables all demuxers"
159 echo " --enable-parser=NAME enables parser NAME"
160 echo " --disable-parser=NAME disables parser NAME"
161 echo " --disable-parsers disables all parsers"
162 echo
163 echo "Developer options (useful when working on FFmpeg itself):"
164 echo " --enable-gprof enable profiling with gprof [$gprof]"
165 echo " --disable-opts disable compiler optimizations"
166 echo " --enable-extra-warnings enable more compiler warnings"
167 echo " --disable-strip disable stripping of executables and shared libraries"
168 echo ""
169 echo "NOTE: Object files are built at the place where configure is launched."
170 exit 1
171 }
172
173 log(){
174 echo "$@" >>$logfile
175 }
176
177 log_file(){
178 log BEGIN $1
179 cat -n $1 >>$logfile
180 log END $1
181 }
182
183 echolog(){
184 log "$@"
185 echo "$@"
186 }
187
188 die(){
189 echolog "$@"
190 cat <<EOF
191 If you think configure made a mistake, make sure you are using the latest
192 version from SVN. If the latest version fails, report the problem to the
193 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
194 EOF
195 if enabled logging; then
196 cat <<EOF
197 Include the log file "$logfile" produced by configure as this will help
198 solving the problem.
199 EOF
200 else
201 cat <<EOF
202 Rerun configure with logging enabled (do not use --log=no), and include the
203 log this produces with your report.
204 EOF
205 fi
206 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
207 exit 1
208 }
209
210 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
211 toupper(){
212 echo "$@" | tr '[a-z]' '[A-Z]'
213 }
214
215 tolower(){
216 echo "$@" | tr '[A-Z]' '[a-z]'
217 }
218
219 set_all(){
220 value=$1
221 shift
222 for var in $*; do
223 eval $var=$value
224 done
225 }
226
227 pushvar(){
228 for var in $*; do
229 eval level=\${${var}_level:=0}
230 eval ${var}_${level}="\$$var"
231 eval ${var}_level=$(($level+1))
232 done
233 }
234
235 popvar(){
236 for var in $*; do
237 eval level=\${${var}_level:-0}
238 test $level = 0 && continue
239 eval level=$(($level-1))
240 eval $var="\${${var}_${level}}"
241 eval ${var}_level=$level
242 eval unset ${var}_${level}
243 done
244 }
245
246 enable(){
247 set_all yes $*
248 }
249
250 disable(){
251 set_all no $*
252 }
253
254 enabled(){
255 eval test "x\$$1" = "xyes"
256 }
257
258 disabled(){
259 eval test "x\$$1" = "xno"
260 }
261
262 enabled_all(){
263 for opt; do
264 enabled $opt || return 1
265 done
266 }
267
268 disabled_all(){
269 for opt; do
270 disabled $opt || return 1
271 done
272 }
273
274 enabled_any(){
275 for opt; do
276 enabled $opt && return 0
277 done
278 }
279
280 disabled_any(){
281 for opt; do
282 disabled $opt && return 0
283 done
284 }
285
286 check_deps(){
287 for cfg; do
288 enabled ${cfg}_checking && die "Circular dependency for $cfg."
289 disabled ${cfg}_checking && continue
290 enable ${cfg}_checking
291
292 eval dep_all="\$${cfg}_deps"
293 eval dep_any="\$${cfg}_deps_any"
294
295 pushvar cfg dep_all dep_any
296 check_deps $dep_all $dep_any
297 popvar cfg dep_all dep_any
298
299 enabled_all $dep_all || disable $cfg
300 enabled_any $dep_any || disable $cfg
301
302 disable ${cfg}_checking
303 done
304 }
305
306 print_config(){
307 pfx=$1
308 header=$2
309 makefile=$3
310 shift 3
311 for cfg; do
312 if enabled $cfg; then
313 ucname="${pfx}`toupper $cfg`"
314 echo "#define ${ucname} 1" >> $header
315 echo "${ucname}=yes" >> $makefile
316 fi
317 done
318 }
319
320 flags_saved(){
321 (: ${SAVE_CFLAGS?}) 2>/dev/null
322 }
323
324 save_flags(){
325 flags_saved && return
326 SAVE_CFLAGS="$CFLAGS"
327 SAVE_LDFLAGS="$LDFLAGS"
328 SAVE_extralibs="$extralibs"
329 }
330
331 restore_flags(){
332 flags_saved || return
333 CFLAGS="$SAVE_CFLAGS"
334 LDFLAGS="$SAVE_LDFLAGS"
335 extralibs="$SAVE_extralibs"
336 unset SAVE_CFLAGS
337 unset SAVE_LDFLAGS
338 unset SAVE_extralibs
339 }
340
341 temp_cflags(){
342 save_flags
343 CFLAGS="$CFLAGS $*"
344 }
345
346 temp_ldflags(){
347 save_flags
348 LDFLAGS="$LDFLAGS $*"
349 }
350
351 temp_extralibs(){
352 save_flags
353 extralibs="$extralibs $*"
354 }
355
356 append(){
357 var=$1
358 shift
359 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
360 eval "$var=\"\$$var $*\""
361 }
362
363 add_cflags(){
364 append CFLAGS "$@"
365 }
366
367 add_ldflags(){
368 append LDFLAGS "$@"
369 }
370
371 add_extralibs(){
372 append extralibs "$@"
373 }
374
375 check_cmd(){
376 log "$@"
377 "$@" >>$logfile 2>&1
378 }
379
380 check_cc(){
381 log check_cc "$@"
382 cat >$TMPC
383 log_file $TMPC
384 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
385 }
386
387 check_cpp(){
388 log check_cpp "$@"
389 cat >$TMPC
390 log_file $TMPC
391 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
392 }
393
394 check_ld(){
395 log check_ld "$@"
396 check_cc || return
397 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
398 }
399
400 check_cflags(){
401 log check_cflags "$@"
402 check_cc "$@" <<EOF && add_cflags "$@"
403 int x;
404 EOF
405 }
406
407 check_ldflags(){
408 log check_ldflags "$@"
409 check_ld "$@" <<EOF && add_ldflags "$@"
410 int main(){
411 return 0;
412 }
413 EOF
414 }
415
416 check_header(){
417 log check_header "$@"
418 header=$1
419 shift
420 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
421 disable $var
422 check_cpp "$@" <<EOF && enable $var
423 #include <$header>
424 int x;
425 EOF
426 }
427
428 check_func(){
429 log check_func "$@"
430 func=$1
431 shift
432 disable $func
433 check_ld "$@" <<EOF && enable $func
434 extern int $func();
435 int main(){
436 $func();
437 }
438 EOF
439 }
440
441 check_func2(){
442 log check_func2 "$@"
443 headers=$1
444 func=$2
445 shift 2
446 disable $func
447 incs=""
448 for hdr in $headers; do
449 incs="$incs
450 #include <$hdr>"
451 done
452 check_ld "$@" <<EOF && enable $func
453 $incs
454 int main(){
455 (void) $func;
456 return 0;
457 }
458 EOF
459 }
460
461 check_lib(){
462 log check_lib "$@"
463 header="$1"
464 func="$2"
465 shift 2
466 temp_extralibs "$@"
467 check_header $header && check_func $func && add_extralibs "$@"
468 err=$?
469 restore_flags
470 return $err
471 }
472
473 check_lib2(){
474 log check_lib2 "$@"
475 headers="$1"
476 func="$2"
477 shift 2
478 temp_extralibs "$@"
479 check_func2 "$headers" $func && add_extralibs "$@"
480 err=$?
481 restore_flags
482 return $err
483 }
484
485 check_exec(){
486 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
487 }
488
489 require(){
490 name="$1"
491 header="$2"
492 func="$3"
493 shift 3
494 check_lib $header $func "$@" || die "ERROR: $name not found"
495 }
496
497 require2(){
498 name="$1"
499 headers="$2"
500 func="$3"
501 shift 3
502 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
503 }
504
505 check_foo_config(){
506 cfg=$1
507 pkg=$2
508 header=$3
509 func=$4
510 shift 4
511 disable $cfg
512 check_cmd ${pkg}-config --version
513 err=$?
514 if test "$err" = 0; then
515 temp_cflags `${pkg}-config --cflags`
516 temp_extralibs `${pkg}-config --libs`
517 check_lib "$@" $header $func && enable $cfg
518 fi
519 return $err
520 }
521
522 apply(){
523 file=$1
524 shift
525 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
526 }
527
528 CONFIG_LIST='
529 encoders
530 decoders
531 parsers
532 muxers
533 demuxers
534 amr
535 amr_nb
536 amr_nb_fixed
537 amr_wb
538 audio_beos
539 audio_oss
540 avisynth
541 beos_netserver
542 bktr
543 dc1394
544 dv1394
545 ebp_available
546 ebx_available
547 ffmpeg
548 ffplay
549 ffserver
550 gpl
551 gprof
552 ipv6
553 liba52
554 liba52bin
555 libdts
556 libfaac
557 libfaad
558 libfaadbin
559 libgsm
560 libmp3lame
561 libnut
562 libogg
563 libtheora
564 libvorbis
565 memalign_hack
566 mpegaudio_hp
567 network
568 powerpc_perf
569 pp
570 protocols
571 swscaler
572 vhook
573 v4l
574 v4l2
575 wince
576 x11grab
577 x264
578 xvid
579 zlib
580 '
581
582 THREADS_LIST='
583 beosthreads
584 os2threads
585 pthreads
586 w32threads
587 '
588
589 HAVE_LIST="
590 $THREADS_LIST
591 altivec
592 altivec_h
593 armv5te
594 armv6
595 arpa_inet_h
596 byteswap_h
597 cmov
598 dcbzl
599 dev_bktr_ioctl_bt848_h
600 dev_bktr_ioctl_meteor_h
601 dev_ic_bt8xx_h
602 dev_video_meteor_ioctl_meteor_h
603 dev_video_bktr_ioctl_bt848_h
604 dlfcn_h
605 dlopen
606 fast_64bit
607 fast_cmov
608 freetype2
609 imlib2
610 inet_aton
611 iwmmxt
612 localtime_r
613 lrintf
614 machine_ioctl_bt848_h
615 machine_ioctl_meteor_h
616 malloc_h
617 memalign
618 mlib
619 mmi
620 mmx
621 os2
622 sdl
623 sdl_video_size
624 soundcard_h
625 sys_poll_h
626 sys_soundcard_h
627 threads
628 "
629
630 TARGET_LIST='
631 altivec
632 armv5te
633 armv6
634 iwmmxt
635 mmi
636 mmx
637 '
638
639 CMDLINE_SELECT="
640 $CONFIG_LIST
641 $TARGET_LIST
642 $THREADS_LIST
643 amr_if2
644 debug
645 extra_warnings
646 shared
647 static
648 "
649
650 dxa_decoder_deps="zlib"
651 flashsv_decoder_deps="zlib"
652 flashsv_encoder_deps="zlib"
653 mpeg_xvmc_decoder_deps="xvmc"
654 png_decoder_deps="zlib"
655 png_encoder_deps="zlib"
656 x264_encoder_deps="x264"
657 xvid_encoder_deps="xvid"
658 zmbv_decoder_deps="zlib"
659 zmbv_encoder_deps="zlib"
660
661 aac_decoder_deps="libfaad"
662 mpeg4aac_decoder_deps="libfaad"
663 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
664 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
665 amr_wb_decoder_deps="amr_wb"
666 amr_wb_encoder_deps="amr_wb"
667 dts_decoder_deps="libdts"
668 faac_encoder_deps="libfaac"
669 liba52_decoder_deps="liba52"
670 libgsm_decoder_deps="libgsm"
671 libgsm_encoder_deps="libgsm"
672 libgsm_ms_decoder_deps="libgsm"
673 libgsm_ms_encoder_deps="libgsm"
674 libtheora_encoder_deps="libtheora"
675 mp3lame_encoder_deps="libmp3lame"
676 oggvorbis_decoder_deps="libvorbis"
677 oggvorbis_encoder_deps="libvorbis"
678
679 audio_demuxer_deps_any="audio_oss audio_beos"
680 audio_muxer_deps_any="audio_oss audio_beos"
681 dc1394_demuxer_deps="dc1394"
682 dv1394_demuxer_deps="dv1394"
683 gxf_muxer_deps="gpl"
684 libnut_demuxer_deps="libnut"
685 libnut_muxer_deps="libnut"
686 ogg_muxer_deps="libogg"
687 redir_demuxer_deps="network"
688 rtp_muxer_deps="network"
689 rtsp_demuxer_deps="network"
690 sdp_demuxer_deps="network"
691 v4l2_demuxer_deps="v4l2"
692 video_grab_device_demuxer_deps_any="v4l bktr"
693 x11_grab_device_demuxer_deps="x11grab"
694
695 ffplay_deps="sdl"
696 ffserver_deps="network protocols muxers"
697 network_deps="protocols"
698
699 # set temporary file name
700 if test ! -z "$TMPDIR" ; then
701 TMPDIR1="${TMPDIR}"
702 elif test ! -z "$TEMPDIR" ; then
703 TMPDIR1="${TEMPDIR}"
704 else
705 TMPDIR1="/tmp"
706 fi
707
708 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
709 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
710 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
711 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
712 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
713
714 # default parameters
715
716 logging="yes"
717 logfile="config.err"
718
719 # installation paths
720 PREFIX="/usr/local"
721 libdir='${PREFIX}/lib'
722 shlibdir="$libdir"
723 incdir='${PREFIX}/include/ffmpeg'
724 mandir='${PREFIX}/man'
725 bindir='${PREFIX}/bin'
726
727 # toolchain
728 cross_prefix=""
729 cross_compile="no"
730 cc="gcc"
731 ar="ar"
732 ranlib="ranlib"
733 make="make"
734 strip="strip"
735 asmalign_pot="unknown"
736
737 # machine
738 arch=`uname -m`
739 cpu="generic"
740 powerpc_perf="no"
741 mmx="default"
742 cmov="no"
743 fast_cmov="no"
744 armv5te="default"
745 armv6="default"
746 iwmmxt="default"
747 altivec="default"
748 dcbzl="no"
749 mmi="default"
750 bigendian="no"
751
752 # OS
753 targetos=`uname -s`
754 beos_netserver="no"
755 os2="no"
756 wince="no"
757
758 # non-library system interfaces
759 audio_beos="default"
760 audio_oss="yes"
761 bktr="yes"
762 dv1394="yes"
763 v4l2="yes"
764 v4l="yes"
765
766 # libraries
767 amr_if2="no"
768 amr_nb="no"
769 amr_nb_fixed="no"
770 amr_wb="no"
771 avisynth="no"
772 dc1394="no"
773 dlfcn_h="no"
774 dlopen="no"
775 liba52="no"
776 liba52bin="no"
777 libdts="no"
778 libfaac="no"
779 libfaad2="no"
780 libfaad="no"
781 libfaadbin="no"
782 libgsm="no"
783 libmp3lame="no"
784 libnut="no"
785 libogg="no"
786 libtheora="no"
787 libvorbis="no"
788 mlib="no"
789 x11grab="no"
790 x264="no"
791 xvid="no"
792 zlib="yes"
793
794 # configurable options
795 debug="yes"
796 dostrip="yes"
797 extra_warnings="no"
798 ffmpeg="yes"
799 ffplay="yes"
800 ffserver="yes"
801 gpl="no"
802 gprof="no"
803 ipv6="yes"
804 shared="no"
805 static="yes"
806 memalign_hack="no"
807 mpegaudio_hp="yes"
808 network="yes"
809 optimize="yes"
810 pp="no"
811 protocols="yes"
812 swscaler="no"
813 vhook="default"
814
815 # threading
816 beosthreads="no"
817 os2threads="no"
818 pthreads="no"
819 w32threads="no"
820 thread_type="no"
821
822 # build settings
823 SHFLAGS='-shared -Wl,-soname,$@'
824 VHOOKSHFLAGS='$(SHFLAGS)'
825 LIBOBJFLAGS=""
826 FFLDFLAGS=-Wl,--warn-common
827 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
828 FFSERVERLDFLAGS=-Wl,-E
829 LDCONFIG="ldconfig"
830 LIBPREF="lib"
831 LIBSUF=".a"
832 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
833 SLIBPREF="lib"
834 SLIBSUF=".so"
835 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
836 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
837 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
838 EXESUF=""
839 BUILDSUF=""
840 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
841
842 # find source path
843 source_path="`dirname \"$0\"`"
844 source_path_used="yes"
845 if test -z "$source_path" -o "$source_path" = "." ; then
846 source_path="`pwd`"
847 source_path_used="no"
848 else
849 source_path="`cd \"$source_path\"; pwd`"
850 echo "$source_path" | grep -q '[[:blank:]]' &&
851 die "Out of tree builds are impossible with whitespace in source path."
852 fi
853
854 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
855 show_help
856 fi
857
858 FFMPEG_CONFIGURATION="$@"
859
860 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
861 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
862 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
863 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
864 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
865
866 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
867
868 die_unknown(){
869 echo "Unknown option \"$1\"."
870 echo "See $0 --help for available options."
871 exit 1
872 }
873
874 for opt do
875 optval="${opt#*=}"
876 case "$opt" in
877 --log)
878 ;;
879 --log=*) logging="$optval"
880 ;;
881 --prefix=*) PREFIX="$optval"
882 ;;
883 --libdir=*) libdir="$optval"
884 ;;
885 --shlibdir=*) shlibdir="$optval"
886 ;;
887 --incdir=*) incdir="$optval"
888 ;;
889 --mandir=*) mandir="$optval"
890 ;;
891 --source-path=*) source_path="$optval"
892 ;;
893 --cross-prefix=*) cross_prefix="$optval"
894 ;;
895 --cross-compile) cross_compile="yes"
896 ;;
897 --target-os=*) targetos="$optval"
898 ;;
899 --cc=*) cc="$optval"
900 ;;
901 --make=*) make="$optval"
902 ;;
903 --extra-cflags=*) add_cflags "$optval"
904 ;;
905 --extra-ldflags=*) add_ldflags "$optval"
906 ;;
907 --extra-libs=*) add_extralibs "$optval"
908 ;;
909 --build-suffix=*) BUILDSUF="$optval"
910 ;;
911 --arch=*) arch="$optval"
912 ;;
913 --cpu=*) cpu="$optval"
914 ;;
915 --enable-mingwce) wince="yes"
916 ;;
917 --disable-opts) optimize="no"
918 ;;
919 --enable-small) optimize="small"
920 ;;
921 --enable-sunmlib) mlib="yes"
922 ;;
923 --disable-strip) dostrip="no"
924 ;;
925 --disable-encoders) disable $ENCODER_LIST
926 ;;
927 --disable-decoders) disable $DECODER_LIST
928 ;;
929 --disable-muxers) disable $MUXER_LIST
930 ;;
931 --disable-demuxers) disable $DEMUXER_LIST
932 ;;
933 --disable-parsers) disable $PARSER_LIST
934 ;;
935 --enable-*=*|--disable-*=*)
936 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
937 case "$thing" in
938 encoder|decoder|muxer|demuxer|parser) $action ${optval}_${thing} ;;
939 *) die_unknown "$opt" ;;
940 esac
941 ;;
942 --enable-?*|--disable-?*)
943 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
944 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
945 $action $option
946 ;;
947 --help) show_help
948 ;;
949 *)
950 die_unknown $opt
951 ;;
952 esac
953 done
954
955 case "$arch" in
956 i386|i486|i586|i686|i86pc|BePC)
957 arch="x86_32"
958 ;;
959 x86_64|amd64)
960 arch="x86_32"
961 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
962 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
963 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
964 arch="x86_64"
965 enable fast_64bit
966 fi
967 fi
968 ;;
969 # armv4l is a subset of armv[567]*l
970 arm|armv[4567]*l)
971 arch="armv4l"
972 ;;
973 alpha)
974 arch="alpha"
975 enable fast_64bit
976 ;;
977 "Power Macintosh"|ppc|powerpc)
978 arch="powerpc"
979 ;;
980 ppc64)
981 arch="powerpc"
982 enable fast_64bit
983 ;;
984 mips|mipsel|IP*)
985 arch="mips"
986 ;;
987 sun4u|sparc64)
988 arch="sparc64"
989 enable fast_64bit
990 ;;
991 sparc)
992 arch="sparc"
993 ;;
994 sh4)
995 arch="sh4"
996 ;;
997 parisc)
998 arch="parisc"
999 ;;
1000 parisc64)
1001 arch="parisc"
1002 enable fast_64bit
1003 ;;
1004 s390|s390x)
1005 arch="s390"
1006 ;;
1007 m68k)
1008 arch="m68k"
1009 ;;
1010 ia64)
1011 arch="ia64"
1012 enable fast_64bit
1013 ;;
1014 bfin)
1015 arch="bfin"
1016 ;;
1017 *)
1018 arch="unknown"
1019 ;;
1020 esac
1021
1022 # OS specific
1023 osextralibs="-lm"
1024 case `tolower $targetos` in
1025 beos|haiku|zeta)
1026 PREFIX="$HOME/config"
1027 # helps building libavcodec
1028 add_cflags "-DPIC -fomit-frame-pointer"
1029 # 3 gcc releases known for BeOS, each with ugly bugs
1030 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1031 case "$gcc_version" in
1032 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1033 mmx="no"
1034 ;;
1035 *20010315*) echo "BeBits gcc"
1036 add_cflags "-fno-expensive-optimizations"
1037 ;;
1038 esac
1039 LDCONFIG="echo ignoring ldconfig"
1040 SHFLAGS=-nostart
1041 # disable Linux things
1042 dv1394="no"
1043 # enable BeOS things
1044 disabled audio_beos || enable_audio_beos
1045 # no need for libm, but the inet stuff
1046 # Check for BONE
1047 # XXX: actually should check for NOT net_server
1048 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1049 osextralibs="-lbind -lsocket"
1050 else
1051 beos_netserver="yes"
1052 osextralibs="-lnet"
1053 fi ;;
1054 sunos)
1055 dv1394="no"
1056 FFLDFLAGS=""
1057 FFSERVERLDFLAGS=""
1058 SHFLAGS="-shared -Wl,-h,\$@"
1059 add_extralibs "-lsocket -lnsl"
1060 ;;
1061 netbsd)
1062 dv1394="no"
1063 add_extralibs "-lossaudio"
1064 ;;
1065 openbsd)
1066 dv1394="no"
1067 need_memalign="no"
1068 LIBOBJFLAGS="\$(PIC)"
1069 LDCONFIG="ldconfig -m \$(shlibdir)"
1070 SHFLAGS='-shared'
1071 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1072 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1073 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1074 add_extralibs "-lossaudio"
1075 ;;
1076 freebsd)
1077 dv1394="no"
1078 need_memalign="no"
1079 add_cflags "-pthread"
1080 ;;
1081 gnu/kfreebsd)
1082 dv1394="no"
1083 add_cflags "-pthread"
1084 ;;
1085 bsd/os)
1086 dv1394="no"
1087 osextralibs="-lpoll -lgnugetopt -lm"
1088 strip="strip -d"
1089 ;;
1090 darwin)
1091 dv1394="no"
1092 need_memalign="no"
1093 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1094 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1095 osextralibs=""
1096 strip="strip -x"
1097 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1098 SLIBSUF=".dylib"
1099 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1100 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1101 FFSERVERLDFLAGS=-Wl,-bind_at_load
1102 ;;
1103 mingw32*)
1104 if enabled_all shared static; then
1105 cat <<EOF
1106 You can only build one library type at once on MinGW.
1107 Specify --disable-static --enable-shared to only build
1108 the shared libraries. To build only the static libraries
1109 you do not need to pass additional options.
1110 EOF
1111 exit 1
1112 fi
1113 dv1394="no"
1114 ffserver="no"
1115 network="no"
1116 if enabled wince; then
1117 protocols="no"
1118 fi
1119 SLIBPREF=""
1120 SLIBSUF=".dll"
1121 EXESUF=".exe"
1122 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1123 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1124 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1125 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1126 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1127 add_extralibs -lws2_32
1128 ;;
1129 cygwin*)
1130 targetos=CYGWIN
1131 shlibdir="$bindir"
1132 dv1394="no"
1133 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1134 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1135 osextralibs=""
1136 EXESUF=".exe"
1137 SLIBPREF="cyg"
1138 SLIBSUF=".dll"
1139 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1140 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1141 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
1142 ;;
1143 linux)
1144 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1145 ;;
1146 irix*)
1147 targetos=IRIX
1148 ranlib="echo ignoring ranlib"
1149 ;;
1150 os/2)
1151 TMPE=$TMPE".exe"
1152 ar="emxomfar -p128"
1153 ranlib="echo ignoring ranlib"
1154 strip="echo ignoring strip"
1155 add_cflags "-Zomf"
1156 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1157 SHFLAGS="-Zdll -Zomf"
1158 FFSERVERLDFLAGS=""
1159 LIBPREF=""
1160 LIBSUF=".lib"
1161 SLIBPREF=""
1162 SLIBSUF=".dll"
1163 EXESUF=".exe"
1164 osextralibs=""
1165 pkg_requires=""
1166 dv1394="no"
1167 ffserver="no"
1168 vhook="no"
1169 os2="yes"
1170 ;;
1171 *)
1172 targetos="${targetos}-UNKNOWN"
1173 ;;
1174 esac
1175
1176 add_extralibs $osextralibs
1177
1178 if ! disabled logging ; then
1179 enabled logging || logfile="$logging"
1180 echo "# $0 $@" >$logfile
1181 set >>$logfile
1182 else
1183 logfile=/dev/null
1184 fi
1185
1186 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1187 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1188
1189 test -n "$cross_prefix" && cross_compile=yes
1190 cc="${cross_prefix}${cc}"
1191 ar="${cross_prefix}${ar}"
1192 ranlib="${cross_prefix}${ranlib}"
1193 strip="${cross_prefix}${strip}"
1194
1195 # Disable core dumps so that intentional execution of broken apps doesn't
1196 # pollute the current directory.
1197 ulimit -c 0
1198
1199 # we need to build at least one lib type
1200 if disabled_all static shared; then
1201 cat <<EOF
1202 At least one library type must be built.
1203 Specify --enable-static to build the static libraries or --enable-shared to
1204 build the shared libraries as well. To only build the shared libraries specify
1205 --disable-static in addition to --enable-shared.
1206 EOF
1207 exit 1;
1208 fi
1209
1210 if disabled libogg; then
1211 enabled libtheora && die "libogg must be enabled to enable libtheora."
1212 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1213 fi
1214
1215 if enabled_any libfaad libfaadbin ; then
1216 if check_header faad.h; then
1217 check_cc << EOF
1218 #include <faad.h>
1219 #ifndef FAAD2_VERSION
1220 ok faad1
1221 #endif
1222 int main( void ) { return 0; }
1223 EOF
1224 test $? = 0 && enable libfaad2
1225 else
1226 die "FAAD test failed."
1227 fi
1228 fi
1229
1230
1231 if disabled gpl ; then
1232 die_gpl_disabled(){
1233 name=$1
1234 shift
1235 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1236 }
1237 die_gpl_disabled "The Postprocessing code" pp
1238 die_gpl_disabled "liba52" liba52
1239 die_gpl_disabled "libxvidcore" xvid
1240 die_gpl_disabled "x264" x264
1241 die_gpl_disabled "libdts" libdts
1242 die_gpl_disabled "FAAD2" libfaad2
1243 die_gpl_disabled "The X11 grabber" x11grab
1244 die_gpl_disabled "The software scaler" swscaler
1245 fi
1246
1247 # compute MMX state
1248 if test $mmx = "default"; then
1249 if test $arch = "x86_32" -o $arch = "x86_64"; then
1250 mmx="yes"
1251 else
1252 mmx="no"
1253 fi
1254 fi
1255
1256 test -z "$need_memalign" && need_memalign="$mmx"
1257
1258 #Darwin CC versions
1259 needmdynamicnopic="no"
1260 if test $targetos = Darwin; then
1261 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1262 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1263 else
1264 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1265 case "$gcc_version" in
1266 *2.95*)
1267 add_cflags "-no-cpp-precomp -pipe"
1268 ;;
1269 *[34].*)
1270 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1271 if disabled shared; then
1272 needmdynamicnopic="yes"
1273 fi
1274 ;;
1275 *)
1276 add_cflags "-no-cpp-precomp -pipe"
1277 if disabled shared; then
1278 needmdynamicnopic="yes"
1279 fi
1280 ;;
1281 esac
1282 fi
1283 fi
1284
1285 disabled optimize || add_cflags -fomit-frame-pointer
1286
1287 # Can only do AltiVec on PowerPC
1288 if test $altivec = "default"; then
1289 if test $arch = "powerpc"; then
1290 altivec="yes"
1291 else
1292 altivec="no"
1293 fi
1294 fi
1295
1296 # Add processor-specific flags
1297 POWERPCMODE="32bits"
1298 if test $cpu != "generic"; then
1299 warn_altivec(){
1300 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1301 }
1302 case $cpu in
1303 601|ppc601|PowerPC601)
1304 add_cflags "-mcpu=601"
1305 warn_altivec enabled PPC601
1306 ;;
1307 603*|ppc603*|PowerPC603*)
1308 add_cflags "-mcpu=603"
1309 warn_altivec enabled PPC603
1310 ;;
1311 604*|ppc604*|PowerPC604*)
1312 add_cflags "-mcpu=604"
1313 warn_altivec enabled PPC604
1314 ;;
1315 G3|g3|75*|ppc75*|PowerPC75*)
1316 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1317 warn_altivec enabled PPC75x
1318 ;;
1319 G4|g4|745*|ppc745*|PowerPC745*)
1320 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1321 warn_altivec disabled PPC745x
1322 ;;
1323 74*|ppc74*|PowerPC74*)
1324 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1325 warn_altivec disabled PPC74xx
1326 ;;
1327 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1328 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1329 warn_altivec disabled PPC970
1330 POWERPCMODE="64bits"
1331 ;;
1332 # targets that do NOT support conditional mov (cmov)
1333 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1334 add_cflags "-march=$cpu"
1335 cmov="no"
1336 ;;
1337 # targets that do support conditional mov (cmov)
1338 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1339 add_cflags "-march=$cpu"
1340 cmov="yes"
1341 fast_cmov="yes"
1342 ;;
1343 # targets that do support conditional mov but on which it's slow
1344 pentium4|prescott|nocona)
1345 add_cflags "-march=$cpu"
1346 cmov="yes"
1347 fast_cmov="no"
1348 ;;
1349 sparc64)
1350 add_cflags "-mcpu=v9"
1351 ;;
1352 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1353 add_cflags "-mfdpic"
1354 add_ldflags "-mfdpic"
1355 ;;
1356 *)
1357 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1358 ;;
1359 esac
1360 fi
1361
1362 gnu_make(){
1363 $1 --version 2>&1 | grep -q GNU
1364 }
1365
1366 if ! gnu_make $make; then
1367 gnu_make gmake && make=gmake || die "GNU make not found."
1368 fi
1369
1370 # make sure we can execute files in $TMPDIR
1371 cat >$TMPE 2>>$logfile <<EOF
1372 #! /bin/sh
1373 EOF
1374 chmod +x $TMPE >>$logfile 2>&1
1375 if ! $TMPE >>$logfile 2>&1; then
1376 cat <<EOF
1377 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1378 variable to another directory and make sure that $TMPDIR1 is not mounted
1379 noexec.
1380 EOF
1381 die "Sanity test failed."
1382 fi
1383 rm $TMPE
1384
1385 # compiler sanity check
1386 check_exec <<EOF
1387 int main(){
1388 return 0;
1389 }
1390 EOF
1391 if test "$?" != 0; then
1392 echo "$cc is unable to create an executable file."
1393 if test -z "$cross_prefix" && disabled cross_compile ; then
1394 echo "If $cc is a cross-compiler, use the --cross-compile option."
1395 echo "Only do this if you know what cross compiling means."
1396 fi
1397 die "C compiler test failed."
1398 fi
1399
1400 if test $arch = "x86_32" -o $arch = "x86_64"; then
1401 if test "$targetos" = "mingw32" -o "$targetos" = "CYGWIN"; then
1402 cat <<EOF
1403 WARNING: The following test might cause a testapp to crash (intentionally)
1404 resulting in the appearance of a dialog box. Please click "Don't send" and
1405 ignore it.
1406 EOF
1407 fi
1408
1409 # check whether EBP is available on x86
1410 # As 'i' is stored on the stack, this program will crash
1411 # if the base pointer is used to access it because the
1412 # base pointer is cleared in the inline assembly code.
1413 check_exec <<EOF && enable ebp_available
1414 int main(){
1415 volatile int i=0;
1416 asm volatile (
1417 "xorl %%ebp, %%ebp"
1418 ::: "%ebp");
1419 return i;
1420 }
1421 EOF
1422
1423 # check wether EBX is available on x86
1424 check_cc <<EOF && enable ebx_available
1425 int main(){
1426 asm volatile ("":::"%ebx");
1427 }
1428 EOF
1429 fi
1430
1431 # check for assembler specific support
1432
1433 if test $arch = "powerpc"; then
1434 check_cc <<EOF && dcbzl=yes
1435 int main(void) {
1436 register long zero = 0;
1437 char data[1024];
1438 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1439 return 0;
1440 }
1441 EOF
1442 fi
1443
1444 # check for SIMD availability
1445
1446 # AltiVec flags: The FSF version of GCC differs from the Apple version
1447 if test $arch = "powerpc"; then
1448 if enabled altivec; then
1449 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1450 add_cflags "-faltivec"
1451 else
1452 add_cflags "-maltivec -mabi=altivec"
1453 fi
1454 fi
1455 fi
1456
1457 check_header altivec.h
1458
1459 # check if our compiler supports Motorola AltiVec C API
1460 if enabled altivec; then
1461 if enabled altivec_h; then
1462 inc_altivec_h="#include <altivec.h>"
1463 else
1464 inc_altivec_h=
1465 fi
1466 check_cc <<EOF || altivec=no
1467 $inc_altivec_h
1468 int main(void) {
1469 vector signed int v1, v2, v3;
1470 v1 = vec_add(v2,v3);
1471 return 0;
1472 }
1473 EOF
1474 fi
1475
1476 # check armv5te instructions support
1477 if test $armv5te = "default" -a $arch = "armv4l"; then
1478 armv5te=no
1479 check_cc <<EOF && armv5te=yes
1480 int main(void) {
1481 __asm__ __volatile__ ("qadd r0, r0, r0");
1482 }
1483 EOF
1484 fi
1485
1486 if test $armv6 = "default" -a $arch = "armv4l"; then
1487 check_cc <<EOF && armv6=yes || armv6=no
1488 int main(void) {
1489 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1490 }
1491 EOF
1492 fi
1493
1494 # check iwmmxt support
1495 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1496 iwmmxt=no
1497 check_cc <<EOF && iwmmxt=yes
1498 int main(void) {
1499 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1500 }
1501 EOF
1502 fi
1503
1504 # mmi only available on mips
1505 if test $mmi = "default"; then
1506 if test $arch = "mips"; then
1507 mmi="yes"
1508 else
1509 mmi="no"
1510 fi
1511 fi
1512
1513 # check if our compiler supports mmi
1514 enabled mmi && check_cc <<EOF || mmi="no"
1515 int main(void) {
1516 __asm__ ("lq \$2, 0(\$2)");
1517 return 0;
1518 }
1519 EOF
1520
1521 # ---
1522 # big/little-endian test
1523 if disabled cross_compile; then
1524 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1525 #include <inttypes.h>
1526 int main(int argc, char ** argv){
1527 volatile uint32_t i=0x01234567;
1528 return (*((uint8_t*)(&i))) == 0x67;
1529 }
1530 EOF
1531 else
1532 # programs cannot be launched if cross compiling, so make a static guess
1533 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1534 bigendian="yes"
1535 fi
1536 fi
1537
1538 # ---
1539 # check availability of some header files
1540
1541 check_header malloc.h
1542 check_func memalign
1543
1544 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1545 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1546 fi
1547
1548 check_header byteswap.h
1549
1550 check_header arpa/inet.h
1551
1552 check_func inet_aton
1553 check_func localtime_r
1554 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1555
1556 # ffserver uses poll(),
1557 # if it's not found we can emulate it using select().
1558 if enabled ffserver; then
1559 check_header sys/poll.h
1560 fi
1561
1562 # check for some common methods of building with pthread support
1563 # do this before the optional library checks as some of them require pthreads
1564 if enabled pthreads; then
1565 if check_func pthread_create; then
1566 :
1567 elif check_func pthread_create -pthread; then
1568 add_cflags -pthread
1569 add_ldflags -pthread
1570 elif check_func pthread_create -pthreads; then
1571 add_cflags -pthreads
1572 add_ldflags -pthreads
1573 elif ! check_lib pthread.h pthread_create -lpthread; then
1574 die "ERROR: can't find pthreads library"
1575 fi
1576 fi
1577
1578 for thread in $THREADS_LIST; do
1579 if enabled $thread; then
1580 if ! disabled thread_type ; then
1581 die "ERROR: Only one thread type must be selected."
1582 else
1583 thread_type="$thread"
1584 fi
1585 fi
1586 done
1587
1588 enabled_any amr_nb amr_nb_fixed amr_wb amr_if2 && enable amr
1589 enabled_all amr_nb amr_nb_fixed &&
1590 die "Only one of amr_nb and amr_nb_fixed may be enabled."
1591
1592 # these are off by default, so fail if requested and not available
1593 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1594 enabled libdts && require libdts dts.h dts_init -ldts -lm
1595 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1596 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1597 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1598 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1599 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1600 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1601 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1602 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1603 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1604 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1605 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1606 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1607 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1608
1609 # test for lrintf in math.h
1610 check_exec <<EOF && lrintf=yes || lrintf=no
1611 #define _ISOC9X_SOURCE 1
1612 #include <math.h>
1613 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1614 EOF
1615
1616 _restrict=
1617 for restrict_keyword in restrict __restrict__ __restrict; do
1618 check_cc <<EOF && _restrict=$restrict_keyword && break
1619 void foo(char * $restrict_keyword p);
1620 EOF
1621 done
1622
1623 # dlopen/dlfcn.h probing
1624
1625 check_header dlfcn.h
1626
1627 if check_func dlopen; then
1628 ldl=
1629 elif check_func dlopen -ldl; then
1630 ldl=-ldl
1631 fi
1632
1633 test "$vhook" = "default" && vhook="$dlopen"
1634
1635 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1636
1637 if test "$targetos" = "CYGWIN" && enabled static ; then
1638 vhook="no"
1639 echo
1640 echo "At the moment vhooks don't work on Cygwin static builds."
1641 echo "Patches welcome."
1642 echo
1643 fi
1644
1645 if enabled vhook; then
1646 check_ldflags -rdynamic
1647 check_ldflags -export-dynamic
1648 fi
1649
1650 enabled audio_beos && add_extralibs "-lmedia -lbe"
1651
1652 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1653 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1654
1655 ##########################################
1656 # SDL check
1657
1658 sdl_too_old=no
1659 sdl=no
1660 SDL_CONFIG="${cross_prefix}sdl-config"
1661 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1662 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1663 temp_cflags $sdl_cflags
1664 temp_extralibs `"${SDL_CONFIG}" --libs`
1665 if check_lib SDL.h SDL_Init; then
1666 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1667 if test "$_sdlversion" -lt 121 ; then
1668 sdl_too_old=yes
1669 else
1670 sdl=yes
1671 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1672 #include <SDL.h>
1673 int main(void){
1674 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1675 int w = vi->current_w;
1676 return 0;
1677 }
1678 EOF
1679 fi
1680 fi
1681 restore_flags
1682 fi
1683
1684 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1685
1686 ##########################################
1687 # IPv6 check
1688
1689 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1690 #include <sys/types.h>
1691 #include <sys/socket.h>
1692 #include <netinet/in.h>
1693 #include <netdb.h>
1694 int main( void ) {
1695 struct sockaddr_storage saddr;
1696 struct ipv6_mreq mreq6;
1697 getaddrinfo(0,0,0,0);
1698 getnameinfo(0,0,0,0,0,0,0);
1699 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1700 }
1701 EOF
1702
1703 enabled v4l && check_header linux/videodev.h || disable v4l
1704 enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1705
1706 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1707 if enabled bktr; then
1708 { check_header dev/bktr/ioctl_meteor.h &&
1709 check_header dev/bktr/ioctl_bt848.h; } ||
1710 { check_header machine/ioctl_meteor.h &&
1711 check_header machine/ioctl_bt848.h; } ||
1712 { check_header dev/video/meteor/ioctl_meteor.h &&
1713 check_header dev/video/bktr/ioctl_bt848.h; } ||
1714 check_header dev/ic/bt8xx.h ||
1715 disable bktr
1716 fi
1717
1718 enabled audio_oss &&
1719 check_header sys/soundcard.h ||
1720 check_header soundcard.h ||
1721 disable audio_oss
1722
1723 # Deal with the x11 frame grabber
1724 enabled x11grab &&
1725 enabled gpl &&
1726 enabled x11_grab_device_demuxer &&
1727 check_header X11/Xlib.h &&
1728 check_header X11/extensions/XShm.h &&
1729 check_func XOpenDisplay -lX11 &&
1730 check_func XShmCreateImage -lX11 -lXext &&
1731 add_extralibs -lX11 -lXext ||
1732 disable x11_grab_device_demuxer
1733
1734 enabled debug && add_cflags -g
1735
1736 # add some useful compiler flags if supported
1737 check_cflags -Wdeclaration-after-statement
1738 check_cflags -Wall
1739 check_cflags -Wno-switch
1740 check_cflags -Wdisabled-optimization
1741 check_cflags -Wpointer-arith
1742 check_cflags -Wredundant-decls
1743 check_cflags -Wno-pointer-sign
1744 enabled extra_warnings && check_cflags -Winline
1745
1746 # add some linker flags
1747 check_ldflags $LDLATEFLAGS
1748
1749 # not all compilers support -Os
1750 test "$optimize" = "small" && check_cflags -Os
1751
1752 if enabled optimize; then
1753 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1754 add_cflags "-O5"
1755 add_ldflags "-O5"
1756 else
1757 add_cflags "-O3"
1758 fi
1759 fi
1760
1761 # PIC flags for shared library objects where they are needed
1762 if enabled shared; then
1763 # LIBOBJFLAGS may have already been set in the OS configuration
1764 if test -z "$LIBOBJFLAGS" ; then
1765 case "$arch" in
1766 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1767 esac
1768 fi
1769 fi
1770
1771 if enabled gprof; then
1772 add_cflags "-p"
1773 add_ldflags "-p"
1774 fi
1775
1776 VHOOKCFLAGS="-fPIC $CFLAGS"
1777 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1778
1779 # find if .align arg is power-of-two or not
1780 if test $asmalign_pot = "unknown"; then
1781 asmalign_pot="no"
1782 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1783 fi
1784
1785 enabled_any $ENCODER_LIST && enable encoders
1786 enabled_any $DECODER_LIST && enable decoders
1787 enabled_any $MUXER_LIST && enable muxers
1788 enabled_any $DEMUXER_LIST && enable demuxers
1789
1790 enabled_any $THREADS_LIST && enable threads
1791
1792 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1793 $DEMUXER_LIST $MUXER_LIST
1794
1795 enabled libogg && append pkg_requires "ogg >= 1.1"
1796 enabled libtheora && append pkg_requires "theora"
1797 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1798 enabled dc1394 && append pkg_requires "libraw1394"
1799
1800 echo "install prefix $PREFIX"
1801 echo "source path $source_path"
1802 echo "C compiler $cc"
1803 echo "make $make"
1804 echo ".align is power-of-two $asmalign_pot"
1805 echo "ARCH $arch ($cpu)"
1806 if test "$BUILDSUF" != ""; then
1807 echo "build suffix $BUILDSUF"
1808 fi
1809 echo "big-endian $bigendian"
1810 if test $arch = "x86_32" -o $arch = "x86_64"; then
1811 echo "MMX enabled $mmx"
1812 echo "CMOV enabled $cmov"
1813 echo "CMOV is fast $fast_cmov"
1814 fi
1815 if test $arch = "armv4l"; then
1816 echo "ARMv5TE enabled $armv5te"
1817 echo "ARMv6 enabled $armv6"
1818 echo "IWMMXT enabled $iwmmxt"
1819 fi
1820 if test $arch = "mips"; then
1821 echo "MMI enabled $mmi"
1822 fi
1823 if test $arch = "powerpc"; then
1824 echo "AltiVec enabled $altivec"
1825 echo "dcbzl available $dcbzl"
1826 fi
1827 echo "gprof enabled $gprof"
1828 echo "debug symbols $debug"
1829 echo "strip symbols $dostrip"
1830 echo "optimize $optimize"
1831 echo "static $static"
1832 echo "shared $shared"
1833 echo "postprocessing support $pp"
1834 echo "software scaler enabled $swscaler"
1835 echo "video hooking $vhook"
1836 if enabled vhook; then
1837 echo "Imlib2 support $imlib2"
1838 echo "FreeType support $freetype2"
1839 fi
1840 echo "network support $network"
1841 if enabled network; then
1842 echo "IPv6 support $ipv6"
1843 fi
1844 echo "threading support $thread_type"
1845 echo "SDL support $sdl"
1846 if enabled sdl_too_old; then
1847 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1848 fi
1849 echo "Sun medialib support $mlib"
1850 echo "AVISynth enabled $avisynth"
1851 echo "liba52 support $liba52"
1852 echo "liba52 dlopened $liba52bin"
1853 echo "libdts support $libdts"
1854 echo "libfaac enabled $libfaac"
1855 echo "libfaad enabled $libfaad"
1856 echo "faadbin enabled $libfaadbin"
1857 echo "libgsm enabled $libgsm"
1858 echo "libmp3lame enabled $libmp3lame"
1859 echo "libnut enabled $libnut"
1860 echo "libogg enabled $libogg"
1861 echo "libtheora enabled $libtheora"
1862 echo "libvorbis enabled $libvorbis"
1863 echo "x264 enabled $x264"
1864 echo "XviD enabled $xvid"
1865 echo "zlib enabled $zlib"
1866 echo "AMR-NB float support $amr_nb"
1867 echo "AMR-NB fixed support $amr_nb_fixed"
1868 echo "AMR-WB float support $amr_wb"
1869 echo "AMR-WB IF2 support $amr_if2"
1870 if disabled gpl; then
1871 echo "License: LGPL"
1872 else
1873 echo "License: GPL"
1874 fi
1875
1876 echo "Creating config.mak and config.h..."
1877
1878 echo "# Automatically generated by configure - do not modify!" > config.mak
1879 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1880 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1881
1882 echo "PREFIX=$PREFIX" >> config.mak
1883 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1884 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1885 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1886 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1887 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1888 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1889 echo "MAKE=$make" >> config.mak
1890 echo "CC=$cc" >> config.mak
1891 echo "AR=$ar" >> config.mak
1892 echo "RANLIB=$ranlib" >> config.mak
1893 if enabled dostrip; then
1894 echo "STRIP=$strip" >> config.mak
1895 else
1896 echo "STRIP=echo ignoring strip" >> config.mak
1897 fi
1898
1899 echo "OPTFLAGS=$CFLAGS" >> config.mak
1900 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1901 echo "LDFLAGS=$LDFLAGS" >> config.mak
1902 echo "LDCONFIG=$LDCONFIG" >> config.mak
1903 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1904 echo "SHFLAGS=$SHFLAGS" >> config.mak
1905 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1906 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1907 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1908 echo "BUILD_STATIC=$static" >> config.mak
1909 echo "BUILDSUF=$BUILDSUF" >> config.mak
1910 echo "LIBPREF=$LIBPREF" >> config.mak
1911 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1912 if enabled static; then
1913 echo "LIB=$LIB" >> config.mak
1914 else # Some Make complain if this variable does not exist.
1915 echo "LIB=" >> config.mak
1916 fi
1917 echo "SLIBPREF=$SLIBPREF" >> config.mak
1918 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1919 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1920
1921 ucarch=`toupper $arch`
1922 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1923 echo "#define ARCH_${ucarch} 1" >> $TMPH
1924
1925 # special cases
1926 case "$arch" in
1927 x86_32|x86_64)
1928 echo "TARGET_ARCH_X86=yes" >> config.mak
1929 echo "#define ARCH_X86 1" >> $TMPH
1930 ;;
1931 powerpc)
1932 if test "$POWERPCMODE" = "64bits"; then
1933 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1934 fi
1935 ;;
1936 sparc64)
1937 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1938 echo "#define ARCH_SPARC 1" >> $TMPH
1939 ;;
1940 esac
1941
1942 if enabled bigendian; then
1943 echo "WORDS_BIGENDIAN=yes" >> config.mak
1944 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1945 fi
1946 if enabled mmx; then
1947 echo "#define __CPU__ 586" >> $TMPH
1948 fi
1949
1950 if enabled sdl; then
1951 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1952 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1953 fi
1954 if enabled texi2html; then
1955 echo "BUILD_DOC=yes" >> config.mak
1956 fi
1957
1958 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1959 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1960 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1961 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1962 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1963
1964
1965
1966 if enabled shared; then
1967 echo "BUILD_SHARED=yes" >> config.mak
1968 echo "PIC=-fPIC -DPIC" >> config.mak
1969 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1970 echo "SPPVERSION=$pp_version" >> config.mak
1971 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1972 echo "LAVCVERSION=$lavc_version" >> config.mak
1973 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1974 echo "LAVFVERSION=$lavf_version" >> config.mak
1975 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1976 echo "LAVUVERSION=$lavu_version" >> config.mak
1977 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1978 echo "SWSVERSION=$sws_version" >> config.mak
1979 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1980 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1981 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1982 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1983 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1984 fi
1985 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1986 echo "EXTRALIBS=$extralibs" >> config.mak
1987
1988 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1989 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1990 print_config TARGET_ $TMPH config.mak $TARGET_LIST
1991
1992 if test "$targetos" = "Darwin"; then
1993 echo "#define CONFIG_DARWIN 1" >> $TMPH
1994 fi
1995
1996 echo "#define restrict $_restrict" >> $TMPH
1997
1998 if test "$optimize" = "small"; then
1999 echo "#define always_inline" >> $TMPH
2000 echo "#define CONFIG_SMALL 1" >> $TMPH
2001 fi
2002
2003 echo "SRC_PATH=\"$source_path\"" >> config.mak
2004 echo "SRC_PATH_BARE=$source_path" >> config.mak
2005 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2006
2007 if enabled amr_if2; then
2008 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2009 fi
2010
2011 # Apparently it's not possible to portably echo a backslash.
2012 if enabled asmalign_pot; then
2013 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2014 else
2015 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2016 fi
2017
2018
2019 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2020 ucname="`toupper $codec`"
2021 config_name="CONFIG_$ucname"
2022 enabled_name="ENABLE_$ucname"
2023 if enabled $codec; then
2024 echo "#define $config_name 1" >> $TMPH
2025 echo "#define $enabled_name 1" >> $TMPH
2026 echo "$config_name=yes" >> config.mak
2027 else
2028 echo "#define $enabled_name 0" >> $TMPH
2029 fi
2030 done
2031
2032 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2033 if ! cmp -s $TMPH config.h; then
2034 mv -f $TMPH config.h
2035 else
2036 echo "config.h is unchanged"
2037 fi
2038
2039 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2040
2041 # build tree in object directory if source path is different from current one
2042 if enabled source_path_used; then
2043 DIRS="\
2044 doc \
2045 libavformat \
2046 libavcodec \
2047 libavcodec/alpha \
2048 libavcodec/armv4l \
2049 libavcodec/bfin \
2050 libavcodec/i386 \
2051 libavcodec/sparc \
2052 libavcodec/mlib \
2053 libavcodec/ppc \
2054 libavcodec/amr \
2055 libavcodec/amr_float \
2056 libavcodec/amrwb_float \
2057 libpostproc \
2058 libavutil \
2059 libswscale \
2060 tests \
2061 vhook \
2062 "
2063 FILES="\
2064 Makefile \
2065 common.mak \
2066 libavformat/Makefile \
2067 libavcodec/Makefile \
2068 libpostproc/Makefile \
2069 libavutil/Makefile \
2070 libswscale/Makefile \
2071 tests/Makefile \
2072 vhook/Makefile \
2073 doc/Makefile \
2074 doc/texi2pod.pl \
2075 "
2076 for dir in $DIRS ; do
2077 mkdir -p $dir
2078 done
2079 for f in $FILES ; do
2080 ln -sf "$source_path/$f" $f
2081 done
2082 fi
2083
2084
2085 # build pkg-config files
2086 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2087
2088 pkgconfig_generate(){
2089 name=$1
2090 comment=$2
2091 version=$3
2092 libs=$4
2093 requires=$5
2094 include=$6
2095 cat <<EOF >$name.pc
2096 prefix=$PREFIX
2097 exec_prefix=\${prefix}
2098 libdir=\${exec_prefix}/lib
2099 includedir=\${prefix}/include
2100
2101 Name: $name
2102 Description: $comment
2103 Version: $version
2104 Requires: $requires
2105 Conflicts:
2106 Libs: -L\${libdir} $libs
2107 Cflags: -I\${includedir} -I\${includedir}/$include
2108 EOF
2109 }
2110
2111 pkgconfig_generate_uninstalled(){
2112 name=$1
2113 shortname=${name#lib}
2114 comment=$2
2115 version=$3
2116 libs=$4
2117 requires=$5
2118 cat <<EOF >$name-uninstalled.pc
2119 prefix=
2120 exec_prefix=
2121 libdir=\${pcfiledir}/$name
2122 includedir=\${pcfiledir}/$name
2123
2124 Name: $name
2125 Description: $comment
2126 Version: $version
2127 Requires: $requires
2128 Conflicts:
2129 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2130 Cflags: -I\${includedir}
2131 EOF
2132 }
2133
2134 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2135 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2136
2137 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2138 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2139
2140 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2141 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2142
2143 if enabled pp; then
2144 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2145 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2146 fi
2147
2148 if enabled swscaler; then
2149 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2150 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2151 else
2152 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2153 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2154 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2155 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2156 fi