19c463430ffca2985d1c5dfdca640c749a4b099a
[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-a52 enable GPLed liba52 support [default=no]"
82 echo " --enable-a52bin open liba52.so.0 at runtime [default=no]"
83 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
84 echo " --enable-dts enable GPLed libdts support [default=no]"
85 echo " --enable-faac enable FAAC support via libfaac [default=no]"
86 echo " --enable-faad enable FAAD support via libfaad [default=no]"
87 echo " --enable-faadbin build FAAD support with runtime linking [default=no]"
88 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
89 echo " --enable-mp3lame 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-vorbis 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 [$arch]"
117 echo " --cpu=CPU selects the minimum cpu required (affects
118 instruction selection, may crash on older CPUs)"
119 echo " --powerpc-perf-enable enable performance report on PPC"
120 echo " (requires enabling PMC)"
121 echo " --disable-mmx disable MMX usage"
122 echo " --disable-armv5te disable armv5te usage"
123 echo " --disable-armv6 disable armv6 usage"
124 echo " --disable-iwmmxt disable iwmmxt usage"
125 echo " --disable-altivec disable AltiVec usage"
126 echo " --disable-audio-oss disable OSS audio support [default=no]"
127 echo " --disable-audio-beos disable BeOS audio support [default=no]"
128 echo " --disable-v4l disable video4linux grabbing [default=no]"
129 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
130 echo " --disable-bktr disable bktr video grabbing [default=no]"
131 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
132 echo " --disable-network disable network support [default=no]"
133 echo " --disable-ipv6 disable ipv6 support [default=no]"
134 echo " --disable-zlib disable zlib [default=no]"
135 echo " --disable-vhook disable video hooking support"
136 echo " --enable-gprof enable profiling with gprof [$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 enable(){
220 set_all yes $*
221 }
222
223 disable(){
224 set_all no $*
225 }
226
227 enabled(){
228 eval test "x\$$1" = "xyes"
229 }
230
231 disabled(){
232 eval test "x\$$1" = "xno"
233 }
234
235 enabled_all(){
236 for opt; do
237 enabled $opt || return 1
238 done
239 }
240
241 disabled_all(){
242 for opt; do
243 disabled $opt || return 1
244 done
245 }
246
247 enabled_any(){
248 for opt; do
249 enabled $opt && return 0
250 done
251 }
252
253 disabled_any(){
254 for opt; do
255 disabled $opt && return 0
256 done
257 }
258
259 check_deps(){
260 for cfg; do
261 eval dep_all="\$${cfg}_deps"
262 eval dep_any="\$${cfg}_deps_any"
263 enabled_all $dep_all || disable $cfg
264 enabled_any $dep_any || disable $cfg
265 done
266 }
267
268 print_config(){
269 pfx=$1
270 header=$2
271 makefile=$3
272 shift 3
273 for cfg; do
274 if enabled $cfg; then
275 ucname="${pfx}`toupper $cfg`"
276 echo "#define ${ucname} 1" >> $header
277 echo "${ucname}=yes" >> $makefile
278 fi
279 done
280 }
281
282 flags_saved(){
283 (: ${SAVE_CFLAGS?}) 2>/dev/null
284 }
285
286 save_flags(){
287 flags_saved && return
288 SAVE_CFLAGS="$CFLAGS"
289 SAVE_LDFLAGS="$LDFLAGS"
290 SAVE_extralibs="$extralibs"
291 }
292
293 restore_flags(){
294 flags_saved || return
295 CFLAGS="$SAVE_CFLAGS"
296 LDFLAGS="$SAVE_LDFLAGS"
297 extralibs="$SAVE_extralibs"
298 unset SAVE_CFLAGS
299 unset SAVE_LDFLAGS
300 unset SAVE_extralibs
301 }
302
303 temp_cflags(){
304 save_flags
305 CFLAGS="$CFLAGS $*"
306 }
307
308 temp_ldflags(){
309 save_flags
310 LDFLAGS="$LDFLAGS $*"
311 }
312
313 temp_extralibs(){
314 save_flags
315 extralibs="$extralibs $*"
316 }
317
318 append(){
319 var=$1
320 shift
321 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
322 eval "$var=\"\$$var $*\""
323 }
324
325 add_cflags(){
326 append CFLAGS "$@"
327 }
328
329 add_ldflags(){
330 append LDFLAGS "$@"
331 }
332
333 add_extralibs(){
334 append extralibs "$@"
335 }
336
337 check_cmd(){
338 log "$@"
339 "$@" >>$logfile 2>&1
340 }
341
342 check_cc(){
343 log check_cc "$@"
344 cat >$TMPC
345 log_file $TMPC
346 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
347 }
348
349 check_cpp(){
350 log check_cpp "$@"
351 cat >$TMPC
352 log_file $TMPC
353 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
354 }
355
356 check_ld(){
357 log check_ld "$@"
358 check_cc || return
359 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
360 }
361
362 check_cflags(){
363 log check_cflags "$@"
364 check_cc "$@" <<EOF && add_cflags "$@"
365 int x;
366 EOF
367 }
368
369 check_ldflags(){
370 log check_ldflags "$@"
371 check_ld "$@" <<EOF && add_ldflags "$@"
372 int main(){
373 return 0;
374 }
375 EOF
376 }
377
378 check_header(){
379 log check_header "$@"
380 header=$1
381 shift
382 check_cpp "$@" <<EOF
383 #include <$header>
384 int x;
385 EOF
386 err=$?
387 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
388 test "$err" = 0 && enable $var || disable $var
389 return $err
390 }
391
392 check_func(){
393 log check_func "$@"
394 func=$1
395 shift
396 check_ld "$@" <<EOF
397 extern int $func();
398 int main(){
399 $func();
400 }
401 EOF
402 err=$?
403 test "$err" = 0 && enable $func || disable $func
404 return $err
405 }
406
407 check_lib(){
408 log check_lib "$@"
409 header="$1"
410 func="$2"
411 shift 2
412 temp_extralibs "$@"
413 check_header $header && check_func $func && add_extralibs "$@"
414 err=$?
415 restore_flags
416 return $err
417 }
418
419 check_exec(){
420 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
421 }
422
423 require(){
424 name="$1"
425 header="$2"
426 func="$3"
427 shift 3
428 check_lib $header $func "$@" || die "ERROR: $name not found"
429 }
430
431 apply(){
432 file=$1
433 shift
434 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
435 }
436
437 CONFIG_LIST='
438 encoders
439 decoders
440 parsers
441 muxers
442 demuxers
443 amr
444 amr_nb
445 amr_nb_fixed
446 amr_wb
447 audio_beos
448 audio_oss
449 avisynth
450 beos_netserver
451 bktr
452 dc1394
453 dv1394
454 ffmpeg
455 ffplay
456 ffserver
457 gpl
458 ipv6
459 liba52
460 liba52bin
461 libdts
462 libfaac
463 libfaad
464 libfaadbin
465 libgsm
466 libmp3lame
467 libnut
468 libogg
469 libtheora
470 libvorbis
471 memalign_hack
472 mpegaudio_hp
473 network
474 pp
475 protocols
476 swscaler
477 vhook
478 video4linux
479 video4linux2
480 wince
481 x11grab
482 x264
483 xvid
484 zlib
485 '
486
487 HAVE_LIST='
488 altivec
489 altivec_h
490 armv5te
491 armv6
492 beosthreads
493 byteswap_h
494 cmov
495 dcbzl
496 dev_bktr_ioctl_bt848_h
497 dev_bktr_ioctl_meteor_h
498 dev_ic_bt8xx_h
499 dev_video_meteor_ioctl_meteor_h
500 dev_video_bktr_ioctl_bt848_h
501 dlfcn_h
502 dlopen
503 fast_cmov
504 freetype2
505 gprof
506 imlib2
507 inet_aton
508 iwmmxt
509 localtime_r
510 lrintf
511 machine_ioctl_bt848_h
512 machine_ioctl_meteor_h
513 malloc_h
514 memalign
515 mlib
516 mmi
517 mmx
518 os2
519 os2threads
520 pthreads
521 sdl
522 sdl_video_size
523 soundcard_h
524 sys_soundcard_h
525 threads
526 w32threads
527 '
528
529 TARGET_LIST='
530 altivec
531 armv5te
532 iwmmxt
533 mmi
534 mmx
535 '
536
537 flashsv_decoder_deps="zlib"
538 flashsv_encoder_deps="zlib"
539 mpeg_xvmc_decoder_deps="xvmc"
540 png_decoder_deps="zlib"
541 png_encoder_deps="zlib"
542 x264_encoder_deps="x264"
543 xvid_encoder_deps="xvid"
544 zmbv_decoder_deps="zlib"
545 zmbv_encoder_deps="zlib"
546
547 aac_decoder_deps="libfaad"
548 mpeg4aac_decoder_deps="libfaad"
549 ac3_decoder_deps="liba52"
550 amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"
551 amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"
552 amr_wb_decoder_deps="amr_wb"
553 amr_wb_encoder_deps="amr_wb"
554 dts_decoder_deps="libdts"
555 faac_encoder_deps="libfaac"
556 libgsm_decoder_deps="libgsm"
557 libgsm_encoder_deps="libgsm"
558 libtheora_encoder_deps="libtheora"
559 mp3lame_encoder_deps="libmp3lame"
560 oggvorbis_decoder_deps="libvorbis"
561 oggvorbis_encoder_deps="libvorbis"
562
563 audio_demuxer_deps_any="audio_oss audio_beos"
564 audio_muxer_deps_any="audio_oss audio_beos"
565 dc1394_demuxer_deps="dc1394"
566 dv1394_demuxer_deps="dv1394"
567 gxf_muxer_deps="gpl"
568 libnut_demuxer_deps="libnut"
569 libnut_muxer_deps="libnut"
570 ogg_muxer_deps="libogg"
571 redir_demuxer_deps="network"
572 rtp_muxer_deps="network"
573 rtsp_demuxer_deps="network"
574 sdp_demuxer_deps="network"
575 v4l2_demuxer_deps="video4linux2"
576 video_grab_device_demuxer_deps_any="video4linux bktr"
577 x11_grab_device_demuxer_deps="x11grab"
578
579 # set temporary file name
580 if test ! -z "$TMPDIR" ; then
581 TMPDIR1="${TMPDIR}"
582 elif test ! -z "$TEMPDIR" ; then
583 TMPDIR1="${TEMPDIR}"
584 else
585 TMPDIR1="/tmp"
586 fi
587
588 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
589 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
590 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
591 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
592 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
593
594 # default parameters
595
596 logging="yes"
597 logfile="config.err"
598
599 # installation paths
600 PREFIX="/usr/local"
601 libdir='${PREFIX}/lib'
602 shlibdir="$libdir"
603 incdir='${PREFIX}/include/ffmpeg'
604 mandir='${PREFIX}/man'
605 bindir='${PREFIX}/bin'
606
607 # toolchain
608 cross_prefix=""
609 cross_compile="no"
610 cc="gcc"
611 ar="ar"
612 ranlib="ranlib"
613 make="make"
614 strip="strip"
615 asmalign_pot="unknown"
616
617 # machine
618 arch=`uname -m`
619 cpu="generic"
620 powerpc_perf="no"
621 mmx="default"
622 cmov="no"
623 fast_cmov="no"
624 armv5te="default"
625 armv6="default"
626 iwmmxt="default"
627 altivec="default"
628 dcbzl="no"
629 mmi="default"
630 bigendian="no"
631
632 case "$arch" in
633 i386|i486|i586|i686|i86pc|BePC)
634 arch="x86_32"
635 ;;
636 x86_64|amd64)
637 arch="x86_32"
638 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
639 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
640 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
641 arch="x86_64"
642 fi
643 fi
644 ;;
645 # armv4l is a subset of armv[567]*l
646 arm|armv[4567]*l)
647 arch="armv4l"
648 ;;
649 alpha)
650 arch="alpha"
651 ;;
652 "Power Macintosh"|ppc|ppc64|powerpc)
653 arch="powerpc"
654 ;;
655 mips|mipsel|IP*)
656 arch="mips"
657 ;;
658 sun4u|sparc64)
659 arch="sparc64"
660 ;;
661 sparc)
662 arch="sparc"
663 ;;
664 sh4)
665 arch="sh4"
666 ;;
667 parisc|parisc64)
668 arch="parisc"
669 ;;
670 s390|s390x)
671 arch="s390"
672 ;;
673 m68k)
674 arch="m68k"
675 ;;
676 ia64)
677 arch="ia64"
678 ;;
679 bfin)
680 arch="bfin"
681 ;;
682 *)
683 arch="unknown"
684 ;;
685 esac
686
687 # OS
688 beos_netserver="no"
689 mingw32="no"
690 os2="no"
691 wince="no"
692
693 # non-library system interfaces
694 audio_beos="no"
695 audio_oss="yes"
696 bktr="yes"
697 dv1394="yes"
698 video4linux2="yes"
699 video4linux="yes"
700
701 # libraries
702 amr_if2="no"
703 amr_nb="no"
704 amr_nb_fixed="no"
705 amr_wb="no"
706 avisynth="no"
707 dc1394="no"
708 dlfcn_h="no"
709 dlopen="no"
710 liba52="no"
711 liba52bin="no"
712 libdts="no"
713 libfaac="no"
714 libfaad2="no"
715 libfaad="no"
716 libfaadbin="no"
717 libgsm="no"
718 libmp3lame="no"
719 libnut="no"
720 libogg="no"
721 libtheora="no"
722 libvorbis="no"
723 mlib="no"
724 x11grab="no"
725 x264="no"
726 xvid="no"
727 zlib="yes"
728
729 # configurable options
730 debug="yes"
731 dostrip="yes"
732 extrawarnings="no"
733 ffmpeg="yes"
734 ffplay="yes"
735 ffserver="yes"
736 gpl="no"
737 gprof="no"
738 ipv6="yes"
739 lshared="no"
740 lstatic="yes"
741 memalign_hack="no"
742 mpegaudio_hp="yes"
743 network="yes"
744 optimize="yes"
745 pp="no"
746 protocols="yes"
747 swscaler="no"
748 vhook="default"
749
750 # threading
751 beosthreads="no"
752 os2threads="no"
753 pthreads="no"
754 w32threads="no"
755 thread_type="no"
756
757 # build settings
758 extralibs="-lm"
759 SHFLAGS='-shared -Wl,-soname,$@'
760 VHOOKSHFLAGS='$(SHFLAGS)'
761 LIBOBJFLAGS=""
762 FFLDFLAGS=-Wl,--warn-common
763 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
764 FFSERVERLDFLAGS=-Wl,-E
765 LDCONFIG="ldconfig"
766 LIBPREF="lib"
767 LIBSUF=".a"
768 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
769 SLIBPREF="lib"
770 SLIBSUF=".so"
771 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
772 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
773 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
774 EXESUF=""
775 BUILDSUF=""
776 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
777
778 # OS specific
779 targetos=`uname -s`
780 case $targetos in
781 BeOS|Haiku|Zeta)
782 PREFIX="$HOME/config"
783 # helps building libavcodec
784 add_cflags "-DPIC -fomit-frame-pointer"
785 # 3 gcc releases known for BeOS, each with ugly bugs
786 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
787 case "$gcc_version" in
788 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
789 mmx="no"
790 ;;
791 *20010315*) echo "BeBits gcc"
792 add_cflags "-fno-expensive-optimizations"
793 ;;
794 esac
795 LDCONFIG="echo ignoring ldconfig"
796 SHFLAGS=-nostart
797 # disable Linux things
798 dv1394="no"
799 # enable BeOS things
800 audio_beos="yes"
801 # no need for libm, but the inet stuff
802 # Check for BONE
803 # XXX: actually should check for NOT net_server
804 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
805 extralibs="-lbind -lsocket"
806 else
807 beos_netserver="yes"
808 extralibs="-lnet"
809 fi ;;
810 SunOS)
811 dv1394="no"
812 FFLDFLAGS=""
813 FFSERVERLDFLAGS=""
814 SHFLAGS="-shared -Wl,-h,\$@"
815 add_extralibs "-lsocket -lnsl"
816 ;;
817 NetBSD)
818 dv1394="no"
819 add_extralibs "-lossaudio"
820 ;;
821 OpenBSD)
822 dv1394="no"
823 need_memalign="no"
824 LIBOBJFLAGS="\$(PIC)"
825 LDCONFIG="ldconfig -m \$(shlibdir)"
826 SHFLAGS='-shared'
827 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
828 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
829 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
830 add_extralibs "-lossaudio"
831 ;;
832 FreeBSD)
833 dv1394="no"
834 need_memalign="no"
835 add_cflags "-pthread"
836 ;;
837 GNU/kFreeBSD)
838 dv1394="no"
839 add_cflags "-pthread"
840 ;;
841 BSD/OS)
842 dv1394="no"
843 extralibs="-lpoll -lgnugetopt -lm"
844 strip="strip -d"
845 ;;
846 Darwin)
847 cc="cc"
848 dv1394="no"
849 need_memalign="no"
850 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
851 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
852 extralibs=""
853 strip="strip -x"
854 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
855 SLIBSUF=".dylib"
856 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
857 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
858 FFSERVERLDFLAGS=-Wl,-bind_at_load
859 ;;
860 MINGW32*)
861 # Note: the rest of the mingw32 config is done afterwards as mingw32
862 # can be forced on the command line for Linux cross compilation.
863 mingw32="yes"
864 ;;
865 CYGWIN*)
866 targetos=CYGWIN
867 shlibdir="$bindir"
868 dv1394="no"
869 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
870 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
871 extralibs=""
872 EXESUF=".exe"
873 SLIBPREF="cyg"
874 SLIBSUF=".dll"
875 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
876 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
877 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a'
878 ;;
879 Linux)
880 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
881 ;;
882 IRIX*)
883 targetos=IRIX
884 ranlib="echo ignoring ranlib"
885 ;;
886 OS/2)
887 TMPE=$TMPE".exe"
888 ar="emxomfar -p128"
889 ranlib="echo ignoring ranlib"
890 strip="echo ignoring strip"
891 add_cflags "-Zomf"
892 FFLDFLAGS="-Zomf -Zstack 16384 -s"
893 SHFLAGS="-Zdll -Zomf"
894 FFSERVERLDFLAGS=""
895 LIBPREF=""
896 LIBSUF=".lib"
897 SLIBPREF=""
898 SLIBSUF=".dll"
899 EXESUF=".exe"
900 extralibs=""
901 pkg_requires=""
902 dv1394="no"
903 ffserver="no"
904 vhook="no"
905 os2="yes"
906 ;;
907 *)
908 targetos="${targetos}-UNKNOWN"
909 ;;
910 esac
911
912 # find source path
913 source_path="`dirname \"$0\"`"
914 source_path_used="yes"
915 if test -z "$source_path" -o "$source_path" = "." ; then
916 source_path="`pwd`"
917 source_path_used="no"
918 else
919 source_path="`cd \"$source_path\"; pwd`"
920 echo "$source_path" | grep -q '[[:blank:]]' &&
921 die "Out of tree builds are impossible with whitespace in source path."
922 fi
923
924 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
925 show_help
926 fi
927
928 FFMPEG_CONFIGURATION="$@"
929
930 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
931 DECODER_LIST=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
932 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
933 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
934 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
935
936 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST
937
938 for opt do
939 optval="${opt#*=}"
940 case "$opt" in
941 --log)
942 ;;
943 --log=*) logging="$optval"
944 ;;
945 --prefix=*) PREFIX="$optval"
946 ;;
947 --libdir=*) libdir="$optval"
948 ;;
949 --shlibdir=*) shlibdir="$optval"
950 ;;
951 --incdir=*) incdir="$optval"
952 ;;
953 --mandir=*) mandir="$optval"
954 ;;
955 --source-path=*) source_path="$optval"
956 ;;
957 --cross-prefix=*) cross_prefix="$optval"
958 ;;
959 --cross-compile) cross_compile="yes"
960 ;;
961 --cc=*) cc="$optval"
962 ;;
963 --make=*) make="$optval"
964 ;;
965 --extra-cflags=*) add_cflags "$optval"
966 ;;
967 --extra-ldflags=*) add_ldflags "$optval"
968 ;;
969 --extra-libs=*) add_extralibs "$optval"
970 ;;
971 --build-suffix=*) BUILDSUF="$optval"
972 ;;
973 --arch=*) arch="$optval"
974 ;;
975 --cpu=*) cpu="$optval"
976 ;;
977 --powerpc-perf-enable) powerpc_perf="yes"
978 ;;
979 --disable-mmx) mmx="no"
980 ;;
981 --disable-armv5te) armv5te="no"
982 ;;
983 --disable-armv6) armv6="no"
984 ;;
985 --disable-iwmmxt) iwmmxt="no"
986 ;;
987 --disable-altivec) altivec="no"
988 ;;
989 --enable-gprof) gprof="yes"
990 ;;
991 --disable-v4l) video4linux="no"
992 ;;
993 --disable-v4l2) video4linux2="no"
994 ;;
995 --disable-bktr) bktr="no"
996 ;;
997 --disable-audio-oss) audio_oss="no"
998 ;;
999 --disable-audio-beos) audio_beos="no"
1000 ;;
1001 --disable-dv1394) dv1394="no"
1002 ;;
1003 --disable-network) network="no"; ffserver="no"
1004 ;;
1005 --disable-ipv6) ipv6="no"
1006 ;;
1007 --disable-zlib) zlib="no"
1008 ;;
1009 --enable-a52) liba52="yes"
1010 ;;
1011 --enable-a52bin) liba52bin="yes"; liba52="yes"
1012 ;;
1013 --enable-dts) libdts="yes"
1014 ;;
1015 --enable-pp) pp="yes"
1016 ;;
1017 --enable-libgsm) libgsm="yes"
1018 ;;
1019 --enable-mp3lame) libmp3lame="yes"
1020 ;;
1021 --enable-libnut) libnut="yes"
1022 ;;
1023 --enable-libogg) libogg="yes"
1024 pkg_requires="$pkg_requires ogg >= 1.1"
1025 ;;
1026 --enable-libtheora) libtheora="yes"
1027 pkg_requires="$pkg_requires theora"
1028 ;;
1029 --enable-vorbis) libvorbis="yes"
1030 pkg_requires="$pkg_requires vorbis vorbisenc"
1031 ;;
1032 --enable-faad) libfaad="yes"
1033 ;;
1034 --enable-faadbin) libfaadbin="yes"
1035 ;;
1036 --enable-faac) libfaac="yes"
1037 ;;
1038 --enable-xvid) xvid="yes"
1039 ;;
1040 --enable-x264) x264="yes"
1041 ;;
1042 --enable-avisynth) avisynth="yes"
1043 ;;
1044 --enable-x11grab) x11grab="yes"
1045 ;;
1046 --enable-dc1394) dc1394="yes"
1047 pkg_requires="$pkg_requires libraw1394"
1048 ;;
1049 --disable-vhook) vhook="no"
1050 ;;
1051 --enable-mingw32) mingw32="yes"
1052 ;;
1053 --enable-mingwce) wince="yes"
1054 ;;
1055 --enable-static) lstatic="yes"
1056 ;;
1057 --disable-static) lstatic="no"
1058 ;;
1059 --enable-shared) lshared="yes"
1060 ;;
1061 --disable-shared) lshared="no"
1062 ;;
1063 --disable-debug) debug="no"
1064 ;;
1065 --disable-opts) optimize="no"
1066 ;;
1067 --enable-extra-warnings) extrawarnings="yes"
1068 ;;
1069 --disable-mpegaudio-hp) mpegaudio_hp="no"
1070 ;;
1071 --disable-protocols) protocols="no"; network="no"; ffserver="no"
1072 ;;
1073 --disable-ffmpeg) ffmpeg="no"
1074 ;;
1075 --disable-ffserver) ffserver="no"
1076 ;;
1077 --disable-ffplay) ffplay="no"
1078 ;;
1079 --enable-small) optimize="small"
1080 ;;
1081 --enable-amr_nb) amr="yes"; amr_nb="yes"; amr_nb_fixed="no"
1082 ;;
1083 --enable-amr_nb-fixed) amr="yes"; amr_nb_fixed="yes"; amr_nb="no"
1084 ;;
1085 --enable-amr_wb) amr="yes"; amr_wb="yes"
1086 ;;
1087 --enable-amr_if2) amr="yes"; amr_if2="yes"
1088 ;;
1089 --enable-sunmlib) mlib="yes"
1090 ;;
1091 --enable-pthreads) pthreads="yes"
1092 ;;
1093 --enable-w32threads) w32threads="yes"
1094 ;;
1095 --enable-beosthreads) beosthreads="yes"
1096 ;;
1097 --enable-os2threads) os2threads="yes"
1098 ;;
1099 --enable-swscaler) swscaler="yes"
1100 ;;
1101 --enable-gpl) gpl="yes"
1102 ;;
1103 --enable-memalign-hack) memalign_hack="yes"
1104 ;;
1105 --disable-strip) dostrip="no"
1106 ;;
1107 --enable-encoder=*) enable ${optval}_encoder
1108 ;;
1109 --enable-decoder=*) enable ${optval}_decoder
1110 ;;
1111 --disable-encoder=*) disable ${optval}_encoder
1112 ;;
1113 --disable-decoder=*) disable ${optval}_decoder
1114 ;;
1115 --disable-encoders) disable $ENCODER_LIST
1116 ;;
1117 --disable-decoders) disable $DECODER_LIST
1118 ;;
1119 --enable-muxer=*) enable ${optval}_muxer
1120 ;;
1121 --disable-muxer=*) disable ${optval}_muxer
1122 ;;
1123 --disable-muxers) disable $MUXER_LIST; ffserver="no"
1124 ;;
1125 --enable-demuxer=*) enable ${optval}_demuxer
1126 ;;
1127 --disable-demuxer=*) disable ${optval}_demuxer
1128 ;;
1129 --disable-demuxers) disable $DEMUXER_LIST
1130 ;;
1131 --enable-parser=*) enable ${optval}_parser
1132 ;;
1133 --disable-parser=*) disable ${optval}_parser
1134 ;;
1135 --disable-parsers) disable $PARSER_LIST
1136 ;;
1137 --help) show_help
1138 ;;
1139 *)
1140 echo "Unknown option \"$opt\"."
1141 echo "See $0 --help for available options."
1142 exit 1
1143 ;;
1144 esac
1145 done
1146
1147 if ! disabled logging ; then
1148 enabled logging || logfile="$logging"
1149 echo "# $0 $@" >$logfile
1150 set >>$logfile
1151 else
1152 logfile=/dev/null
1153 fi
1154
1155 if enabled_any mingw32 wince; then
1156 if enabled_all lshared lstatic; then
1157 cat <<EOF
1158 You can only build one library type at once on MinGW.
1159 Specify --disable-static --enable-shared to only build
1160 the shared libraries. To build only the static libraries
1161 you do not need to pass additional options.
1162 EOF
1163 exit 1
1164 fi
1165 dv1394="no"
1166 dc1394="no"
1167 ffserver="no"
1168 network="no"
1169 if enabled wince; then
1170 protocols="no"
1171 fi
1172 SLIBPREF=""
1173 SLIBSUF=".dll"
1174 EXESUF=".exe"
1175 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1176 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1177 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1178 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1179 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc"
1180 fi
1181
1182 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1183 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1184
1185 test -n "$cross_prefix" && cross_compile=yes
1186 cc="${cross_prefix}${cc}"
1187 ar="${cross_prefix}${ar}"
1188 ranlib="${cross_prefix}${ranlib}"
1189 strip="${cross_prefix}${strip}"
1190
1191 # we need to build at least one lib type
1192 if disabled_all lstatic lshared; then
1193 cat <<EOF
1194 At least one library type must be built.
1195 Specify --enable-static to build the static libraries or --enable-shared to
1196 build the shared libraries as well. To only build the shared libraries specify
1197 --disable-static in addition to --enable-shared.
1198 EOF
1199 exit 1;
1200 fi
1201
1202 if disabled libogg; then
1203 enabled libtheora && die "libogg must be enabled to enable libtheora."
1204 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1205 fi
1206
1207 if enabled_any libfaad libfaadbin ; then
1208 if check_header faad.h; then
1209 check_cc << EOF
1210 #include <faad.h>
1211 #ifndef FAAD2_VERSION
1212 ok faad1
1213 #endif
1214 int main( void ) { return 0; }
1215 EOF
1216 test $? = 0 && enable libfaad2
1217 else
1218 die "FAAD test failed."
1219 fi
1220 fi
1221
1222
1223 if disabled gpl ; then
1224 die_gpl_disabled(){
1225 name=$1
1226 shift
1227 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1228 }
1229 die_gpl_disabled "The Postprocessing code" pp
1230 die_gpl_disabled "liba52" liba52 liba52bin
1231 die_gpl_disabled "libxvidcore" xvid
1232 die_gpl_disabled "x264" x264
1233 die_gpl_disabled "libdts" libdts
1234 die_gpl_disabled "FAAD2" libfaad2
1235 die_gpl_disabled "The X11 grabber" x11grab
1236 die_gpl_disabled "The software scaler" swscaler
1237 fi
1238
1239 # compute MMX state
1240 if test $mmx = "default"; then
1241 if test $arch = "x86_32" -o $arch = "x86_64"; then
1242 mmx="yes"
1243 else
1244 mmx="no"
1245 fi
1246 fi
1247
1248 test -z "$need_memalign" && need_memalign="$mmx"
1249
1250 #Darwin CC versions
1251 needmdynamicnopic="no"
1252 if test $targetos = Darwin; then
1253 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1254 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1255 else
1256 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1257 case "$gcc_version" in
1258 *2.95*)
1259 add_cflags "-no-cpp-precomp -pipe"
1260 ;;
1261 *[34].*)
1262 add_cflags "-no-cpp-precomp -pipe -force_cpusubtype_ALL -Wno-sign-compare"
1263 if disabled lshared; then
1264 needmdynamicnopic="yes"
1265 fi
1266 ;;
1267 *)
1268 add_cflags "-no-cpp-precomp -pipe"
1269 if disabled lshared; then
1270 needmdynamicnopic="yes"
1271 fi
1272 ;;
1273 esac
1274 fi
1275 fi
1276
1277 disabled optimize || add_cflags -fomit-frame-pointer
1278
1279 # Can only do AltiVec on PowerPC
1280 if test $altivec = "default"; then
1281 if test $arch = "powerpc"; then
1282 altivec="yes"
1283 else
1284 altivec="no"
1285 fi
1286 fi
1287
1288 # Add processor-specific flags
1289 POWERPCMODE="32bits"
1290 if test $cpu != "generic"; then
1291 warn_altivec(){
1292 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1293 }
1294 case $cpu in
1295 601|ppc601|PowerPC601)
1296 add_cflags "-mcpu=601"
1297 warn_altivec enabled PPC601
1298 ;;
1299 603*|ppc603*|PowerPC603*)
1300 add_cflags "-mcpu=603"
1301 warn_altivec enabled PPC603
1302 ;;
1303 604*|ppc604*|PowerPC604*)
1304 add_cflags "-mcpu=604"
1305 warn_altivec enabled PPC604
1306 ;;
1307 G3|g3|75*|ppc75*|PowerPC75*)
1308 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1309 warn_altivec enabled PPC75x
1310 ;;
1311 G4|g4|745*|ppc745*|PowerPC745*)
1312 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1313 warn_altivec disabled PPC745x
1314 ;;
1315 74*|ppc74*|PowerPC74*)
1316 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1317 warn_altivec disabled PPC74xx
1318 ;;
1319 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1320 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1321 warn_altivec disabled PPC970
1322 POWERPCMODE="64bits"
1323 ;;
1324 # targets that do NOT support conditional mov (cmov)
1325 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1326 add_cflags "-march=$cpu"
1327 cmov="no"
1328 ;;
1329 # targets that do support conditional mov (cmov)
1330 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1331 add_cflags "-march=$cpu"
1332 cmov="yes"
1333 fast_cmov="yes"
1334 ;;
1335 # targets that do support conditional mov but on which it's slow
1336 pentium4|prescott|nocona)
1337 add_cflags "-march=$cpu"
1338 cmov="yes"
1339 fast_cmov="no"
1340 ;;
1341 sparc64)
1342 add_cflags "-mcpu=v9"
1343 ;;
1344 *)
1345 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1346 ;;
1347 esac
1348 fi
1349
1350 gnu_make(){
1351 $1 --version 2>&1 | grep -q GNU
1352 }
1353
1354 if ! gnu_make $make; then
1355 gnu_make gmake && make=gmake || die "GNU make not found."
1356 fi
1357
1358 # make sure we can execute files in $TMPDIR
1359 cat >$TMPE 2>>$logfile <<EOF
1360 #! /bin/sh
1361 EOF
1362 chmod +x $TMPE >>$logfile 2>&1
1363 if ! $TMPE >>$logfile 2>&1; then
1364 cat <<EOF
1365 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1366 variable to another directory and make sure that $TMPDIR1 is not mounted
1367 noexec.
1368 EOF
1369 die "Sanity test failed."
1370 fi
1371 rm $TMPE
1372
1373 # compiler sanity check
1374 check_exec <<EOF
1375 int main(){
1376 return 0;
1377 }
1378 EOF
1379 if test "$?" != 0; then
1380 echo "$cc is unable to create an executable file."
1381 if test -z "$cross_prefix" && disabled cross_compile ; then
1382 echo "If $cc is a cross-compiler, use the --cross-compile option."
1383 echo "Only do this if you know what cross compiling means."
1384 fi
1385 die "C compiler test failed."
1386 fi
1387
1388 # check for assembler specific support
1389
1390 if test $arch = "powerpc"; then
1391 check_cc <<EOF && dcbzl=yes
1392 int main(void) {
1393 register long zero = 0;
1394 char data[1024];
1395 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1396 return 0;
1397 }
1398 EOF
1399 fi
1400
1401 # check for SIMD availability
1402
1403 # AltiVec flags: The FSF version of GCC differs from the Apple version
1404 if test $arch = "powerpc"; then
1405 if enabled altivec; then
1406 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1407 add_cflags "-faltivec"
1408 else
1409 add_cflags "-maltivec -mabi=altivec"
1410 fi
1411 fi
1412 fi
1413
1414 check_header altivec.h
1415
1416 # check if our compiler supports Motorola AltiVec C API
1417 if enabled altivec; then
1418 if enabled altivec_h; then
1419 inc_altivec_h="#include <altivec.h>"
1420 else
1421 inc_altivec_h=
1422 fi
1423 check_cc <<EOF || altivec=no
1424 $inc_altivec_h
1425 int main(void) {
1426 vector signed int v1, v2, v3;
1427 v1 = vec_add(v2,v3);
1428 return 0;
1429 }
1430 EOF
1431 fi
1432
1433 # check armv5te instructions support
1434 if test $armv5te = "default" -a $arch = "armv4l"; then
1435 armv5te=no
1436 check_cc <<EOF && armv5te=yes
1437 int main(void) {
1438 __asm__ __volatile__ ("qadd r0, r0, r0");
1439 }
1440 EOF
1441 fi
1442
1443 if test $armv6 = "default" -a $arch = "armv4l"; then
1444 check_cc <<EOF && armv6=yes || armv6=no
1445 int main(void) {
1446 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1447 }
1448 EOF
1449 fi
1450
1451 # check iwmmxt support
1452 if test $iwmmxt = "default" -a $arch = "armv4l"; then
1453 iwmmxt=no
1454 check_cc <<EOF && iwmmxt=yes
1455 int main(void) {
1456 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1457 }
1458 EOF
1459 fi
1460
1461 # mmi only available on mips
1462 if test $mmi = "default"; then
1463 if test $arch = "mips"; then
1464 mmi="yes"
1465 else
1466 mmi="no"
1467 fi
1468 fi
1469
1470 # check if our compiler supports mmi
1471 enabled mmi && check_cc <<EOF || mmi="no"
1472 int main(void) {
1473 __asm__ ("lq \$2, 0(\$2)");
1474 return 0;
1475 }
1476 EOF
1477
1478 # ---
1479 # big/little-endian test
1480 if disabled cross_compile; then
1481 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1482 #include <inttypes.h>
1483 int main(int argc, char ** argv){
1484 volatile uint32_t i=0x01234567;
1485 return (*((uint8_t*)(&i))) == 0x67;
1486 }
1487 EOF
1488 else
1489 # programs cannot be launched if cross compiling, so make a static guess
1490 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1491 bigendian="yes"
1492 fi
1493 fi
1494
1495 # ---
1496 # check availability of some header files
1497
1498 check_header malloc.h
1499 check_func memalign
1500
1501 if disabled_all memalign memalign_hack && enabled need_memalign ; then
1502 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1503 fi
1504
1505 check_header byteswap.h
1506
1507 check_func inet_aton
1508 check_func localtime_r
1509 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1510
1511 # check for some common methods of building with pthread support
1512 # do this before the optional library checks as some of them require pthreads
1513 if enabled pthreads; then
1514 if check_func pthread_create; then
1515 :
1516 elif check_func pthread_create -pthread; then
1517 add_cflags -pthread
1518 add_ldflags -pthread
1519 elif check_func pthread_create -pthreads; then
1520 add_cflags -pthreads
1521 add_ldflags -pthreads
1522 elif ! check_lib pthread.h pthread_create -lpthread; then
1523 die "ERROR: can't find pthreads library"
1524 fi
1525 fi
1526
1527 for thread in pthreads beosthreads os2threads w32threads; do
1528 if enabled $thread; then
1529 if ! disabled thread_type ; then
1530 die "ERROR: Only one thread type must be selected."
1531 else
1532 thread_type="$thread"
1533 fi
1534 fi
1535 done
1536
1537 # these are off by default, so fail if requested and not available
1538 enabled libdts && require libdts dts.h dts_init -ldts -lm
1539 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1540 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1541 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1542 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1543 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1544 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1545 enabled xvid && require XviD xvid.h xvid_global -lxvidcore
1546 enabled x264 && require x264 x264.h x264_encoder_open -lx264
1547 enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1548 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1549
1550 # Ugh, libfaac uses stdcall calling convention on win32 so we can't use
1551 # the generic test functions
1552 if enabled libfaac; then
1553 save_flags
1554 temp_extralibs -lfaac
1555 check_ld <<EOF && add_extralibs -lfaac || die "ERROR: libfaac not found"
1556 #include <stdint.h>
1557 #include <faac.h>
1558 int main(){
1559 char *id, *cpr;
1560 faacEncGetVersion(&id, &cpr);
1561 return 0;
1562 }
1563 EOF
1564 restore_flags
1565 fi
1566
1567 # Ugh, recent faad2 versions have renamed all functions and #define the
1568 # old names in faad.h. Generic tests won't work.
1569 if enabled libfaad; then
1570 save_flags
1571 temp_extralibs -lfaad
1572 check_ld <<EOF && add_extralibs -lfaad || die "ERROR: libfaad not found"
1573 #include <faad.h>
1574 int main(){
1575 faacDecOpen();
1576 return 0;
1577 }
1578 EOF
1579 restore_flags
1580 fi
1581
1582 # Ugh, avisynth uses WINAPI calls. Generic tests won't work.
1583 if enabled avisynth; then
1584 save_flags
1585 temp_extralibs -lvfw32
1586 check_ld <<EOF && add_extralibs -lvfw32 || die "ERROR: vfw32 not found"
1587 #include <windows.h>
1588 #include <vfw.h>
1589 int main(){
1590 AVIFileInit();
1591 return 0;
1592 }
1593 EOF
1594 restore_flags
1595 fi
1596
1597
1598 # test for lrintf in math.h
1599 check_exec <<EOF && lrintf=yes || lrintf=no
1600 #define _ISOC9X_SOURCE 1
1601 #include <math.h>
1602 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1603 EOF
1604
1605 _restrict=
1606 for restrict_keyword in restrict __restrict__ __restrict; do
1607 check_cc <<EOF && _restrict=$restrict_keyword && break
1608 void foo(char * $restrict_keyword p);
1609 EOF
1610 done
1611
1612 # dlopen/dlfcn.h probing
1613
1614 check_header dlfcn.h
1615
1616 if check_func dlopen; then
1617 ldl=
1618 elif check_func dlopen -ldl; then
1619 ldl=-ldl
1620 fi
1621
1622 test "$vhook" = "default" && vhook="$dlopen"
1623
1624 enabled_any vhook liba52bin libfaadbin && add_extralibs $ldl
1625
1626 if test "$targetos" = "CYGWIN" && enabled lstatic ; then
1627 vhook="no"
1628 echo
1629 echo "At the moment vhooks don't work on Cygwin static builds."
1630 echo "Patches welcome."
1631 echo
1632 fi
1633
1634 if enabled vhook; then
1635 check_ldflags -rdynamic
1636 check_ldflags -export-dynamic
1637 fi
1638
1639 enabled audio_beos && add_extralibs "-lmedia -lbe"
1640
1641 ##########################################
1642 # imlib check
1643
1644 imlib2=no
1645 if imlib2-config --version >/dev/null 2>&1; then
1646 temp_cflags `imlib2-config --cflags`
1647 temp_extralibs `imlib2-config --libs`
1648 check_lib Imlib2.h imlib_load_font && enable imlib2
1649 restore_flags
1650 fi
1651
1652 ##########################################
1653 # FreeType check
1654
1655 freetype2=no
1656 if freetype-config --version >/dev/null 2>&1; then
1657 temp_cflags `freetype-config --cflags`
1658 temp_extralibs `freetype-config --libs`
1659 check_lib ft2build.h FT_Init_FreeType && enable freetype2
1660 restore_flags
1661 fi
1662
1663 ##########################################
1664 # SDL check
1665
1666 sdl_too_old=no
1667 sdl=no
1668 SDL_CONFIG="${cross_prefix}sdl-config"
1669 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1670 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1671 temp_cflags $sdl_cflags
1672 temp_extralibs `"${SDL_CONFIG}" --libs`
1673 if check_lib SDL.h SDL_Init; then
1674 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1675 if test "$_sdlversion" -lt 121 ; then
1676 sdl_too_old=yes
1677 else
1678 sdl=yes
1679 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1680 #include <SDL.h>
1681 int main(void){
1682 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1683 int w = vi->current_w;
1684 return 0;
1685 }
1686 EOF
1687 fi
1688 fi
1689 restore_flags
1690 fi
1691
1692 enabled sdl || ffplay=no
1693
1694 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1695
1696 ##########################################
1697 # IPv6 check
1698
1699 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1700 #include <sys/types.h>
1701 #include <sys/socket.h>
1702 #include <netinet/in.h>
1703 #include <netdb.h>
1704 int main( void ) {
1705 struct sockaddr_storage saddr;
1706 struct ipv6_mreq mreq6;
1707 getaddrinfo(0,0,0,0);
1708 getnameinfo(0,0,0,0,0,0,0);
1709 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1710 }
1711 EOF
1712
1713 enabled video4linux && check_header linux/videodev.h || disable video4linux
1714 enabled video4linux2 && check_header linux/videodev2.h || disable video4linux2
1715
1716 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1717 if enabled bktr; then
1718 { check_header dev/bktr/ioctl_meteor.h &&
1719 check_header dev/bktr/ioctl_bt848.h; } ||
1720 { check_header machine/ioctl_meteor.h &&
1721 check_header machine/ioctl_bt848.h; } ||
1722 { check_header dev/video/meteor/ioctl_meteor.h &&
1723 check_header dev/video/bktr/ioctl_bt848.h; } ||
1724 check_header dev/ic/bt8xx.h ||
1725 disable bktr
1726 fi
1727
1728 enabled audio_oss &&
1729 check_header sys/soundcard.h ||
1730 check_header soundcard.h ||
1731 disable audio_oss
1732
1733 # Deal with the x11 frame grabber
1734 enabled x11grab &&
1735 enabled gpl &&
1736 enabled x11_grab_device_demuxer &&
1737 check_header X11/Xlib.h &&
1738 check_header X11/extensions/XShm.h &&
1739 check_func XOpenDisplay -lX11 &&
1740 check_func XShmCreateImage -lX11 -lXext &&
1741 add_extralibs -lX11 -lXext ||
1742 disable x11_grab_device_demuxer
1743
1744 enabled debug && add_cflags -g
1745
1746 # add some useful compiler flags if supported
1747 check_cflags -Wdeclaration-after-statement
1748 check_cflags -Wall
1749 check_cflags -Wno-switch
1750 check_cflags -Wdisabled-optimization
1751 check_cflags -Wpointer-arith
1752 check_cflags -Wredundant-decls
1753 check_cflags -Wno-pointer-sign
1754 enabled extrawarnings && check_cflags -Winline
1755
1756 # add some linker flags
1757 check_ldflags $LDLATEFLAGS
1758
1759 # not all compilers support -Os
1760 test "$optimize" = "small" && check_cflags -Os
1761
1762 if enabled optimize; then
1763 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1764 add_cflags "-O5"
1765 add_ldflags "-O5"
1766 else
1767 add_cflags "-O3"
1768 fi
1769 fi
1770
1771 # PIC flags for shared library objects where they are needed
1772 if enabled lshared; then
1773 # LIBOBJFLAGS may have already been set in the OS configuration
1774 if test -z "$LIBOBJFLAGS" ; then
1775 case "$arch" in
1776 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1777 esac
1778 fi
1779 fi
1780
1781 if enabled gprof; then
1782 add_cflags "-p"
1783 add_ldflags "-p"
1784 fi
1785
1786 VHOOKCFLAGS="-fPIC $CFLAGS"
1787 enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1788
1789 # find if .align arg is power-of-two or not
1790 if test $asmalign_pot = "unknown"; then
1791 asmalign_pot="no"
1792 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1793 fi
1794
1795 echo "install prefix $PREFIX"
1796 echo "source path $source_path"
1797 echo "C compiler $cc"
1798 echo "make $make"
1799 echo ".align is power-of-two $asmalign_pot"
1800 echo "ARCH $arch ($cpu)"
1801 if test "$BUILDSUF" != ""; then
1802 echo "build suffix $BUILDSUF"
1803 fi
1804 echo "big-endian $bigendian"
1805 if test $arch = "x86_32" -o $arch = "x86_64"; then
1806 echo "MMX enabled $mmx"
1807 echo "CMOV enabled $cmov"
1808 echo "CMOV is fast $fast_cmov"
1809 fi
1810 if test $arch = "armv4l"; then
1811 echo "ARMv5TE enabled $armv5te"
1812 echo "ARMv6 enabled $armv6"
1813 echo "IWMMXT enabled $iwmmxt"
1814 fi
1815 if test $arch = "mips"; then
1816 echo "MMI enabled $mmi"
1817 fi
1818 if test $arch = "powerpc"; then
1819 echo "AltiVec enabled $altivec"
1820 echo "dcbzl available $dcbzl"
1821 fi
1822 echo "gprof enabled $gprof"
1823 echo "debug symbols $debug"
1824 echo "strip symbols $dostrip"
1825 echo "optimize $optimize"
1826 echo "static $lstatic"
1827 echo "shared $lshared"
1828 echo "postprocessing support $pp"
1829 echo "software scaler enabled $swscaler"
1830 echo "video hooking $vhook"
1831 if enabled vhook; then
1832 echo "Imlib2 support $imlib2"
1833 echo "FreeType support $freetype2"
1834 fi
1835 echo "network support $network"
1836 if enabled network; then
1837 echo "IPv6 support $ipv6"
1838 fi
1839 echo "threading support $thread_type"
1840 echo "SDL support $sdl"
1841 if enabled sdl_too_old; then
1842 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1843 fi
1844 echo "Sun medialib support $mlib"
1845 echo "AVISynth enabled $avisynth"
1846 echo "liba52 support $liba52"
1847 echo "liba52 dlopened $liba52bin"
1848 echo "libdts support $libdts"
1849 echo "libfaac enabled $libfaac"
1850 echo "libfaad enabled $libfaad"
1851 echo "faadbin enabled $libfaadbin"
1852 echo "libgsm enabled $libgsm"
1853 echo "libmp3lame enabled $libmp3lame"
1854 echo "libnut enabled $libnut"
1855 echo "libogg enabled $libogg"
1856 echo "libtheora enabled $libtheora"
1857 echo "libvorbis enabled $libvorbis"
1858 echo "x264 enabled $x264"
1859 echo "XviD enabled $xvid"
1860 echo "zlib enabled $zlib"
1861 echo "AMR-NB float support $amr_nb"
1862 echo "AMR-NB fixed support $amr_nb_fixed"
1863 echo "AMR-WB float support $amr_wb"
1864 echo "AMR-WB IF2 support $amr_if2"
1865 if disabled gpl; then
1866 echo "License: LGPL"
1867 else
1868 echo "License: GPL"
1869 fi
1870
1871 echo "Creating config.mak and config.h..."
1872
1873 echo "# Automatically generated by configure - do not modify!" > config.mak
1874 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1875 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1876
1877 echo "PREFIX=$PREFIX" >> config.mak
1878 echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1879 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1880 echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1881 echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1882 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1883 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1884 echo "MAKE=$make" >> config.mak
1885 echo "CC=$cc" >> config.mak
1886 echo "AR=$ar" >> config.mak
1887 echo "RANLIB=$ranlib" >> config.mak
1888 if enabled dostrip; then
1889 echo "STRIP=$strip" >> config.mak
1890 else
1891 echo "STRIP=echo ignoring strip" >> config.mak
1892 fi
1893
1894 echo "OPTFLAGS=$CFLAGS" >> config.mak
1895 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1896 echo "LDFLAGS=$LDFLAGS" >> config.mak
1897 echo "LDCONFIG=$LDCONFIG" >> config.mak
1898 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1899 echo "SHFLAGS=$SHFLAGS" >> config.mak
1900 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1901 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1902 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1903 echo "BUILD_STATIC=$lstatic" >> config.mak
1904 echo "BUILDSUF=$BUILDSUF" >> config.mak
1905 echo "LIBPREF=$LIBPREF" >> config.mak
1906 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1907 if enabled lstatic; then
1908 echo "LIB=$LIB" >> config.mak
1909 else # Some Make complain if this variable does not exist.
1910 echo "LIB=" >> config.mak
1911 fi
1912 echo "SLIBPREF=$SLIBPREF" >> config.mak
1913 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1914 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1915 echo "TARGET_OS=$targetos" >> config.mak
1916
1917 ucarch=`toupper $arch`
1918 echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1919 echo "#define ARCH_${ucarch} 1" >> $TMPH
1920
1921 # special cases
1922 case "$arch" in
1923 x86_32|x86_64)
1924 echo "TARGET_ARCH_X86=yes" >> config.mak
1925 echo "#define ARCH_X86 1" >> $TMPH
1926 ;;
1927 powerpc)
1928 if test "$POWERPCMODE" = "64bits"; then
1929 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1930 fi
1931 if enabled powerpc_perf; then
1932 echo "#define POWERPC_PERFORMANCE_REPORT 1" >> $TMPH
1933 fi
1934 ;;
1935 sparc64)
1936 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1937 echo "#define ARCH_SPARC 1" >> $TMPH
1938 ;;
1939 esac
1940
1941 if enabled bigendian; then
1942 echo "WORDS_BIGENDIAN=yes" >> config.mak
1943 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1944 fi
1945 if enabled mmx; then
1946 echo "#define __CPU__ 586" >> $TMPH
1947 fi
1948
1949 if enabled sdl; then
1950 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1951 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1952 fi
1953 if enabled texi2html; then
1954 echo "BUILD_DOC=yes" >> config.mak
1955 fi
1956
1957 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1958 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1959 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1960 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1961 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1962
1963
1964
1965 if enabled lshared; then
1966 echo "BUILD_SHARED=yes" >> config.mak
1967 echo "PIC=-fPIC -DPIC" >> config.mak
1968 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1969 echo "SPPVERSION=$pp_version" >> config.mak
1970 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1971 echo "LAVCVERSION=$lavc_version" >> config.mak
1972 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1973 echo "LAVFVERSION=$lavf_version" >> config.mak
1974 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1975 echo "LAVUVERSION=$lavu_version" >> config.mak
1976 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1977 echo "SWSVERSION=$sws_version" >> config.mak
1978 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1979 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1980 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1981 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1982 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1983 fi
1984 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1985 echo "EXTRALIBS=$extralibs" >> config.mak
1986
1987 enabled_any $ENCODER_LIST && enable encoders
1988 enabled_any $DECODER_LIST && enable decoders
1989 enabled_any $MUXER_LIST && enable muxers
1990 enabled_any $DEMUXER_LIST && enable demuxers
1991
1992 enabled_any pthreads beosthreads os2threads w32threads && enable threads
1993
1994 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1995 $DEMUXER_LIST $MUXER_LIST
1996
1997 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1998 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST
1999 print_config TARGET_ $TMPH config.mak $TARGET_LIST
2000
2001 if test "$targetos" = "Darwin"; then
2002 echo "#define CONFIG_DARWIN 1" >> $TMPH
2003 fi
2004
2005 echo "#define restrict $_restrict" >> $TMPH
2006
2007 if test "$optimize" = "small"; then
2008 echo "#define always_inline" >> $TMPH
2009 echo "#define CONFIG_SMALL 1" >> $TMPH
2010 fi
2011
2012 echo "SRC_PATH=\"$source_path\"" >> config.mak
2013 echo "SRC_PATH_BARE=$source_path" >> config.mak
2014 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2015
2016 if enabled amr_if2; then
2017 echo "AMR_CFLAGS=-DIF2=1" >> config.mak
2018 fi
2019
2020 # Apparently it's not possible to portably echo a backslash.
2021 if enabled asmalign_pot; then
2022 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2023 else
2024 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2025 fi
2026
2027
2028 for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
2029 ucname="`toupper $codec`"
2030 config_name="CONFIG_$ucname"
2031 enabled_name="ENABLE_$ucname"
2032 if enabled $codec; then
2033 echo "#define $config_name 1" >> $TMPH
2034 echo "#define $enabled_name 1" >> $TMPH
2035 echo "$config_name=yes" >> config.mak
2036 else
2037 echo "#define $enabled_name 0" >> $TMPH
2038 fi
2039 done
2040
2041 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2042 if ! cmp -s $TMPH config.h; then
2043 mv -f $TMPH config.h
2044 else
2045 echo "config.h is unchanged"
2046 fi
2047
2048 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2049
2050 # build tree in object directory if source path is different from current one
2051 if enabled source_path_used; then
2052 DIRS="\
2053 doc \
2054 libavformat \
2055 libavcodec \
2056 libavcodec/alpha \
2057 libavcodec/armv4l \
2058 libavcodec/bfin \
2059 libavcodec/i386 \
2060 libavcodec/sparc \
2061 libavcodec/mlib \
2062 libavcodec/ppc \
2063 libavcodec/liba52 \
2064 libavcodec/amr \
2065 libavcodec/amr_float \
2066 libavcodec/amrwb_float \
2067 libpostproc \
2068 libavutil \
2069 libswscale \
2070 tests \
2071 vhook \
2072 "
2073 FILES="\
2074 Makefile \
2075 common.mak \
2076 libavformat/Makefile \
2077 libavcodec/Makefile \
2078 libpostproc/Makefile \
2079 libavutil/Makefile \
2080 libswscale/Makefile \
2081 tests/Makefile \
2082 vhook/Makefile \
2083 doc/Makefile \
2084 doc/texi2pod.pl \
2085 "
2086 for dir in $DIRS ; do
2087 mkdir -p $dir
2088 done
2089 for f in $FILES ; do
2090 ln -sf "$source_path/$f" $f
2091 done
2092 fi
2093
2094
2095 # build pkg-config files
2096 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2097
2098 pkgconfig_generate(){
2099 name=$1
2100 comment=$2
2101 version=$3
2102 libs=$4
2103 requires=$5
2104 include=$6
2105 cat <<EOF >$name.pc
2106 prefix=$PREFIX
2107 exec_prefix=\${prefix}
2108 libdir=\${exec_prefix}/lib
2109 includedir=\${prefix}/include
2110
2111 Name: $name
2112 Description: $comment
2113 Version: $version
2114 Requires: $requires
2115 Conflicts:
2116 Libs: -L\${libdir} $libs
2117 Cflags: -I\${includedir} -I\${includedir}/$include
2118 EOF
2119 }
2120
2121 pkgconfig_generate_uninstalled(){
2122 name=$1
2123 shortname=${name#lib}
2124 comment=$2
2125 version=$3
2126 libs=$4
2127 requires=$5
2128 cat <<EOF >$name-uninstalled.pc
2129 prefix=
2130 exec_prefix=
2131 libdir=\${pcfiledir}/$name
2132 includedir=\${pcfiledir}/$name
2133
2134 Name: $name
2135 Description: $comment
2136 Version: $version
2137 Requires: $requires
2138 Conflicts:
2139 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2140 Cflags: -I\${includedir}
2141 EOF
2142 }
2143
2144 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2145 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2146
2147 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2148 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2149
2150 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2151 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2152
2153 if enabled pp; then
2154 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2155 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2156 fi
2157
2158 if enabled swscaler; then
2159 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "libavutil = $lavu_version" swscale
2160 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2161 else
2162 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
2163 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2164 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2165 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2166 fi