fix extern prefix detection when cross compiling.
[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/share/man]"
65 echo " --enable-static build static libraries [default=yes]"
66 echo " --disable-static do not build static libraries [default=no]"
67 echo " --enable-shared build shared libraries [default=no]"
68 echo " --disable-shared do not build shared libraries [default=yes]"
69 echo " --enable-gpl allow use of GPL code, the resulting libav*"
70 echo " and ffmpeg will be under GPL [default=no]"
71 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
72 echo " and ffmpeg will be unredistributable [default=no]"
73 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
74 echo " --enable-swscale software scaler support [default=no]"
75 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
76 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
77 echo " --enable-beosthreads use BeOS threads [default=no]"
78 echo " --enable-os2threads use OS/2 threads [default=no]"
79 echo " --enable-pthreads use pthreads [default=no]"
80 echo " --enable-w32threads use Win32 threads [default=no]"
81 echo " --enable-x11grab enable X11 grabbing [default=no]"
82 echo
83 echo "External library support:"
84 echo " --enable-sunmlib use Sun medialib [default=no]"
85 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
86 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
87 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
88 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
89 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
90 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
91 echo " and libraw1394 [default=no]"
92 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
93 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
94 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
95 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
96 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
97 echo " --enable-libnut enable NUT (de)muxing via libnut,"
98 echo " native demuxer exists [default=no]"
99 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
100 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
101 echo " native implementation exists [default=no]"
102 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
103 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
104 echo " native MPEG-4/Xvid encoder exists [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 [$cross_prefix]"
109 echo " --cross-compile assume a cross-compiler is used"
110 echo " --target-os=OS compiler targets OS [$targetos]"
111 echo " --cc=CC use C compiler CC [$cc]"
112 echo " --make=MAKE use specified make [$make]"
113 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
114 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
115 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
116 echo " --build-suffix=SUFFIX suffix for application specific build []"
117 echo " --arch=ARCH select architecture [$arch]"
118 echo " --cpu=CPU selects the minimum cpu required (affects"
119 echo " instruction selection, may crash on older CPUs)"
120 echo " --enable-powerpc-perf enable performance report on PPC"
121 echo " (requires enabling PMC)"
122 echo " --disable-mmx disable MMX usage"
123 echo " --disable-armv5te disable armv5te usage"
124 echo " --disable-armv6 disable armv6 usage"
125 echo " --disable-iwmmxt disable iwmmxt usage"
126 echo " --disable-altivec disable AltiVec usage"
127 echo " --disable-network disable network support [default=no]"
128 echo " --disable-ipv6 disable ipv6 support [default=no]"
129 echo " --disable-zlib disable zlib [default=no]"
130 echo " --disable-vhook disable video hooking support"
131 echo " --disable-debug disable debugging symbols"
132 echo " --disable-mpegaudio-hp faster (but less accurate)"
133 echo " MPEG audio decoding [default=no]"
134 echo " --enable-gray enable full grayscale support (slower color)"
135 echo " --disable-ffmpeg disable ffmpeg build"
136 echo " --disable-ffserver disable ffserver build"
137 echo " --disable-ffplay disable ffplay build"
138 echo " --enable-small optimize for size instead of speed"
139 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
140 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
141 echo " --disable-encoder=NAME disables encoder NAME"
142 echo " --enable-encoder=NAME enables encoder NAME"
143 echo " --disable-decoder=NAME disables decoder NAME"
144 echo " --enable-decoder=NAME enables decoder NAME"
145 echo " --disable-encoders disables all encoders"
146 echo " --disable-decoders disables all decoders"
147 echo " --disable-muxer=NAME disables muxer NAME"
148 echo " --enable-muxer=NAME enables muxer NAME"
149 echo " --disable-muxers disables all muxers"
150 echo " --disable-demuxer=NAME disables demuxer NAME"
151 echo " --enable-demuxer=NAME enables demuxer NAME"
152 echo " --disable-demuxers disables all demuxers"
153 echo " --enable-parser=NAME enables parser NAME"
154 echo " --disable-parser=NAME disables parser NAME"
155 echo " --disable-parsers disables all parsers"
156 echo " --enable-bsf=NAME enables bitstream filter NAME"
157 echo " --disable-bsf=NAME disables bitstream filter NAME"
158 echo " --disable-bsfs disables all bitstream filters"
159 echo " --enable-protocol=NAME enables protocol NAME"
160 echo " --disable-protocol=NAME disables protocol NAME"
161 echo " --disable-protocols disables all protocols"
162 echo " --disable-devices disables all devices"
163 echo " --list-decoders show all available decoders"
164 echo " --list-encoders show all available encoders"
165 echo " --list-muxers show all available muxers"
166 echo " --list-demuxers show all available demuxers"
167 echo " --list-parsers show all available parsers"
168 echo " --list-protocols show all available protocols"
169 echo " --list-bsfs show all available bitstream filters"
170 echo " --list-indevs show all available input devices"
171 echo " --list-outdevs show all available output devices"
172 echo
173 echo "Developer options (useful when working on FFmpeg itself):"
174 echo " --enable-gprof enable profiling with gprof [$gprof]"
175 echo " --disable-optimizations disable compiler optimizations"
176 echo " --enable-extra-warnings enable more compiler warnings"
177 echo " --disable-strip disable stripping of executables and shared libraries"
178 echo ""
179 echo "NOTE: Object files are built at the place where configure is launched."
180 exit 1
181 }
182
183 log(){
184 echo "$@" >>$logfile
185 }
186
187 log_file(){
188 log BEGIN $1
189 pr -n -t $1 >>$logfile
190 log END $1
191 }
192
193 echolog(){
194 log "$@"
195 echo "$@"
196 }
197
198 die(){
199 echolog "$@"
200 cat <<EOF
201 If you think configure made a mistake, make sure you are using the latest
202 version from SVN. If the latest version fails, report the problem to the
203 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
204 EOF
205 if enabled logging; then
206 cat <<EOF
207 Include the log file "$logfile" produced by configure as this will help
208 solving the problem.
209 EOF
210 else
211 cat <<EOF
212 Rerun configure with logging enabled (do not use --log=no), and include the
213 log this produces with your report.
214 EOF
215 fi
216 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
217 exit 1
218 }
219
220 # Avoid locale weirdness, besides we really just want to translate ASCII.
221 toupper(){
222 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
223 }
224
225 tolower(){
226 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
227 }
228
229 set_all(){
230 value=$1
231 shift
232 for var in $*; do
233 eval $var=$value
234 done
235 }
236
237 pushvar(){
238 for var in $*; do
239 eval level=\${${var}_level:=0}
240 eval ${var}_${level}="\$$var"
241 eval ${var}_level=$(($level+1))
242 done
243 }
244
245 popvar(){
246 for var in $*; do
247 eval level=\${${var}_level:-0}
248 test $level = 0 && continue
249 eval level=$(($level-1))
250 eval $var="\${${var}_${level}}"
251 eval ${var}_level=$level
252 eval unset ${var}_${level}
253 done
254 }
255
256 enable(){
257 set_all yes $*
258 }
259
260 disable(){
261 set_all no $*
262 }
263
264 enabled(){
265 eval test "x\$$1" = "xyes"
266 }
267
268 disabled(){
269 eval test "x\$$1" = "xno"
270 }
271
272 enabled_all(){
273 for opt; do
274 enabled $opt || return 1
275 done
276 }
277
278 disabled_all(){
279 for opt; do
280 disabled $opt || return 1
281 done
282 }
283
284 enabled_any(){
285 for opt; do
286 enabled $opt && return 0
287 done
288 }
289
290 disabled_any(){
291 for opt; do
292 disabled $opt && return 0
293 done
294 }
295
296 is_in(){
297 value=$1
298 shift
299 for var in $*; do
300 [ $var = $value ] && return 0
301 done
302 return 1
303 }
304
305 check_deps(){
306 for cfg; do
307 enabled ${cfg}_checking && die "Circular dependency for $cfg."
308 disabled ${cfg}_checking && continue
309 enable ${cfg}_checking
310
311 eval dep_all="\$${cfg}_deps"
312 eval dep_any="\$${cfg}_deps_any"
313
314 pushvar cfg dep_all dep_any
315 check_deps $dep_all $dep_any
316 popvar cfg dep_all dep_any
317
318 enabled_all $dep_all || disable $cfg
319 enabled_any $dep_any || disable $cfg
320
321 if enabled $cfg; then
322 eval dep_extralibs="\$${cfg}_extralibs"
323 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
324 fi
325
326 disable ${cfg}_checking
327 done
328 }
329
330 print_config(){
331 pfx=$1
332 header=$2
333 makefile=$3
334 shift 3
335 for cfg; do
336 ucname="`toupper $cfg`"
337 if enabled $cfg; then
338 echo "#define ${pfx}${ucname} 1" >> $header
339 echo "#define ENABLE_${ucname} 1" >> $header
340 echo "${pfx}${ucname}=yes" >> $makefile
341 else
342 echo "#define ENABLE_${ucname} 0" >> $header
343 fi
344 done
345 }
346
347 flags_saved(){
348 (: ${SAVE_CFLAGS?}) 2>/dev/null
349 }
350
351 save_flags(){
352 flags_saved && return
353 SAVE_CFLAGS="$CFLAGS"
354 SAVE_LDFLAGS="$LDFLAGS"
355 SAVE_extralibs="$extralibs"
356 }
357
358 restore_flags(){
359 flags_saved || return
360 CFLAGS="$SAVE_CFLAGS"
361 LDFLAGS="$SAVE_LDFLAGS"
362 extralibs="$SAVE_extralibs"
363 unset SAVE_CFLAGS
364 unset SAVE_LDFLAGS
365 unset SAVE_extralibs
366 }
367
368 temp_cflags(){
369 save_flags
370 CFLAGS="$CFLAGS $*"
371 }
372
373 temp_ldflags(){
374 save_flags
375 LDFLAGS="$LDFLAGS $*"
376 }
377
378 temp_extralibs(){
379 save_flags
380 extralibs="$extralibs $*"
381 }
382
383 append(){
384 var=$1
385 shift
386 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
387 eval "$var=\"\$$var $*\""
388 }
389
390 add_cflags(){
391 append CFLAGS "$@"
392 }
393
394 add_ldflags(){
395 append LDFLAGS "$@"
396 }
397
398 add_extralibs(){
399 append extralibs "$@"
400 }
401
402 check_cmd(){
403 log "$@"
404 "$@" >>$logfile 2>&1
405 }
406
407 check_cc(){
408 log check_cc "$@"
409 cat >$TMPC
410 log_file $TMPC
411 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
412 }
413
414 check_cpp(){
415 log check_cpp "$@"
416 cat >$TMPC
417 log_file $TMPC
418 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
419 }
420
421 check_asm(){
422 log check_asm "$@"
423 name="$1"
424 asm="$2"
425 shift 2
426 check_cc "$@" <<EOF && enable $name || disable $name
427 int foo(void){
428 asm volatile($asm);
429 }
430 EOF
431 }
432
433 check_ld(){
434 log check_ld "$@"
435 check_cc || return
436 flags=''
437 libs=''
438 for f; do
439 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
440 done
441 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
442 }
443
444 check_cflags(){
445 log check_cflags "$@"
446 check_cc "$@" <<EOF && add_cflags "$@"
447 int x;
448 EOF
449 }
450
451 check_ldflags(){
452 log check_ldflags "$@"
453 check_ld "$@" <<EOF && add_ldflags "$@"
454 int main(void){
455 return 0;
456 }
457 EOF
458 }
459
460 check_header(){
461 log check_header "$@"
462 header=$1
463 shift
464 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
465 disable $var
466 check_cpp "$@" <<EOF && enable $var
467 #include <$header>
468 int x;
469 EOF
470 }
471
472 check_func(){
473 log check_func "$@"
474 func=$1
475 shift
476 disable $func
477 check_ld "$@" <<EOF && enable $func
478 extern int $func();
479 int main(void){
480 $func();
481 }
482 EOF
483 }
484
485 check_func2(){
486 log check_func2 "$@"
487 headers=$1
488 func=$2
489 shift 2
490 disable $func
491 incs=""
492 for hdr in $headers; do
493 incs="$incs
494 #include <$hdr>"
495 done
496 check_ld "$@" <<EOF && enable $func
497 $incs
498 int main(int argc, char **argv){
499 (void) $func;
500 return 0;
501 }
502 EOF
503 }
504
505 check_lib(){
506 log check_lib "$@"
507 header="$1"
508 func="$2"
509 shift 2
510 temp_extralibs "$@"
511 check_header $header && check_func $func && add_extralibs "$@"
512 err=$?
513 restore_flags
514 return $err
515 }
516
517 check_lib2(){
518 log check_lib2 "$@"
519 headers="$1"
520 func="$2"
521 shift 2
522 temp_extralibs "$@"
523 check_func2 "$headers" $func && add_extralibs "$@"
524 err=$?
525 restore_flags
526 return $err
527 }
528
529 check_exec(){
530 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
531 }
532
533 check_exec_crash(){
534 code=`cat`
535
536 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
537 # are safe but may not be available everywhere. Thus we use
538 # raise(SIGTERM) instead. The check is run in a subshell so we
539 # can redirect the "Terminated" message from the shell. SIGBUS
540 # is not defined by standard C so it is used conditionally.
541
542 (check_exec "$@") >>$logfile 2>&1 <<EOF
543 #include <signal.h>
544 static void sighandler(int sig){
545 raise(SIGTERM);
546 }
547 int main(void){
548 signal(SIGILL, sighandler);
549 signal(SIGFPE, sighandler);
550 signal(SIGSEGV, sighandler);
551 #ifdef SIGBUS
552 signal(SIGBUS, sighandler);
553 #endif
554 { $code }
555 }
556 EOF
557 }
558
559 check_type(){
560 log check_type "$@"
561 headers=$1
562 type=$2
563 shift 2
564 disable $type
565 incs=""
566 for hdr in $headers; do
567 incs="$incs
568 #include <$hdr>"
569 done
570 check_cc "$@" <<EOF && enable $type
571 $incs
572 $type v;
573 EOF
574 }
575
576 require(){
577 name="$1"
578 header="$2"
579 func="$3"
580 shift 3
581 check_lib $header $func "$@" || die "ERROR: $name not found"
582 }
583
584 require2(){
585 name="$1"
586 headers="$2"
587 func="$3"
588 shift 3
589 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
590 }
591
592 check_foo_config(){
593 cfg=$1
594 pkg=$2
595 header=$3
596 func=$4
597 shift 4
598 disable $cfg
599 check_cmd ${pkg}-config --version
600 err=$?
601 if test "$err" = 0; then
602 temp_cflags `${pkg}-config --cflags`
603 temp_extralibs `${pkg}-config --libs`
604 check_lib "$@" $header $func && enable $cfg
605 fi
606 return $err
607 }
608
609 apply(){
610 file=$1
611 shift
612 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
613 }
614
615 COMPONENT_LIST="
616 bsfs
617 decoders
618 demuxers
619 encoders
620 filters
621 indevs
622 muxers
623 outdevs
624 parsers
625 protocols
626 "
627
628 CONFIG_LIST="
629 $COMPONENT_LIST
630 avfilter
631 avfilter_lavf
632 avisynth
633 beos_netserver
634 ffmpeg
635 ffplay
636 ffserver
637 gpl
638 gprof
639 gray
640 hardcoded_tables
641 ipv6
642 liba52
643 liba52bin
644 libamr_nb
645 libamr_wb
646 libdc1394
647 libfaac
648 libfaad
649 libfaadbin
650 libgsm
651 libmp3lame
652 libnut
653 libtheora
654 libvorbis
655 libx264
656 libxvid
657 memalign_hack
658 mpegaudio_hp
659 network
660 nonfree
661 postproc
662 powerpc_perf
663 small
664 swscale
665 vhook
666 x11grab
667 zlib
668 "
669
670 THREADS_LIST='
671 beosthreads
672 os2threads
673 pthreads
674 w32threads
675 '
676
677 ARCH_LIST='
678 alpha
679 armv4l
680 bfin
681 ia64
682 m68k
683 mips
684 parisc
685 powerpc
686 s390
687 sh4
688 sparc
689 sparc64
690 x86
691 x86_32
692 x86_64
693 '
694
695 ARCH_EXT_LIST='
696 altivec
697 armv5te
698 armv6
699 iwmmxt
700 mmi
701 mmx
702 ssse3
703 vis
704 '
705
706 HAVE_LIST="
707 $ARCH_EXT_LIST
708 $THREADS_LIST
709 altivec_h
710 arpa_inet_h
711 bswap
712 byteswap_h
713 closesocket
714 cmov
715 conio_h
716 dcbzl
717 dev_bktr_ioctl_bt848_h
718 dev_bktr_ioctl_meteor_h
719 dev_ic_bt8xx_h
720 dev_video_meteor_ioctl_meteor_h
721 dev_video_bktr_ioctl_bt848_h
722 dlfcn_h
723 dlopen
724 ebp_available
725 ebx_available
726 fast_64bit
727 fast_cmov
728 fast_unaligned
729 fork
730 freetype2
731 gethrtime
732 GetProcessTimes
733 getrusage
734 imlib2
735 inet_aton
736 inline_asm
737 libdc1394_1
738 libdc1394_2
739 llrint
740 lrint
741 lrintf
742 machine_ioctl_bt848_h
743 machine_ioctl_meteor_h
744 malloc_h
745 memalign
746 mkstemp
747 mlib
748 ppc64
749 round
750 roundf
751 sdl
752 sdl_video_size
753 socklen_t
754 soundcard_h
755 poll_h
756 sys_select_h
757 sys_soundcard_h
758 termios_h
759 threads
760 winsock2_h
761 "
762
763 CMDLINE_SELECT="
764 $ARCH_EXT_LIST
765 $CONFIG_LIST
766 $THREADS_LIST
767 debug
768 extra_warnings
769 optimizations
770 shared
771 static
772 "
773
774 # code dependency declarations
775
776 # architecture extensions
777 altivec_deps="powerpc"
778 armv5te_deps="armv4l"
779 armv6_deps="armv4l"
780 iwmmxt_deps="armv4l"
781 mmi_deps="mips"
782 mmx_deps="x86"
783 ssse3_deps="x86"
784 vis_deps="sparc"
785
786 # decoders / encoders
787 ac3_decoder_deps="gpl"
788 dxa_decoder_deps="zlib"
789 flashsv_decoder_deps="zlib"
790 flashsv_encoder_deps="zlib"
791 mpeg_xvmc_decoder_deps="xvmc"
792 png_decoder_deps="zlib"
793 png_encoder_deps="zlib"
794 zmbv_decoder_deps="zlib"
795 zmbv_encoder_deps="zlib"
796
797 # external libraries
798 liba52_decoder_deps="liba52"
799 liba52bin_decoder_extralibs='$ldl'
800 libamr_nb_decoder_deps="libamr_nb"
801 libamr_nb_encoder_deps="libamr_nb"
802 libamr_wb_decoder_deps="libamr_wb"
803 libamr_wb_encoder_deps="libamr_wb"
804 libfaac_encoder_deps="libfaac"
805 libfaad_decoder_deps="libfaad"
806 libfaadbin_decoder_extralibs='$ldl'
807 libgsm_decoder_deps="libgsm"
808 libgsm_encoder_deps="libgsm"
809 libgsm_ms_decoder_deps="libgsm"
810 libgsm_ms_encoder_deps="libgsm"
811 libmp3lame_encoder_deps="libmp3lame"
812 libtheora_encoder_deps="libtheora"
813 libvorbis_encoder_deps="libvorbis"
814 libx264_encoder_deps="libx264"
815 libxvid_encoder_deps="libxvid"
816 mpeg4aac_decoder_deps="libfaad"
817
818 # demuxers / muxers
819 ac3_demuxer_deps="ac3_parser"
820 audio_beos_demuxer_deps="audio_beos"
821 audio_beos_demuxer_extralibs="-lmedia -lbe"
822 audio_beos_muxer_deps="audio_beos"
823 audio_beos_muxer_extralibs="-lmedia -lbe"
824 avisynth_demuxer_deps="avisynth"
825 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
826 dv1394_demuxer_deps="dv1394 dv_demuxer"
827 libdc1394_demuxer_deps="libdc1394"
828 libnut_demuxer_deps="libnut"
829 libnut_muxer_deps="libnut"
830 mp3_demuxer_deps="mpegaudio_parser"
831 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
832 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
833 redir_demuxer_deps="network"
834 rtp_muxer_deps="network rtp_protocol"
835 rtsp_demuxer_deps="sdp_demuxer"
836 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
837 v4l2_demuxer_deps="linux_videodev2_h"
838 v4l_demuxer_deps="linux_videodev_h"
839 vfwcap_demuxer_deps="capCreateCaptureWindow"
840 vfwcap_demuxer_extralibs="-lvfw32"
841 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
842 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
843
844 # protocols
845 http_protocol_deps="network"
846 rtp_protocol_deps="udp_protocol"
847 tcp_protocol_deps="network"
848 udp_protocol_deps="network"
849
850 # filters
851 movie_filter_deps="avfilter_lavf"
852
853 # programs
854 ffplay_deps="sdl"
855 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
856 ffserver_extralibs='$ldl'
857 vhook_extralibs='$ldl'
858
859
860 # set temporary file name
861 if test ! -z "$TMPDIR" ; then
862 TMPDIR1="${TMPDIR}"
863 elif test ! -z "$TEMPDIR" ; then
864 TMPDIR1="${TEMPDIR}"
865 else
866 TMPDIR1="/tmp"
867 fi
868
869 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
870 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
871 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
872 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
873 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
874
875 # default parameters
876
877 enable logging
878 logfile="config.err"
879
880 # installation paths
881 PREFIX="/usr/local"
882 libdir='$(PREFIX)/lib'
883 shlibdir="$libdir"
884 incdir='$(PREFIX)/include'
885 mandir='$(PREFIX)/share/man'
886 bindir='$(PREFIX)/bin'
887
888 # toolchain
889 cc="gcc"
890 ar="ar"
891 nm="nm"
892 ranlib="ranlib"
893 make="make"
894 strip="strip"
895 asmalign_pot="unknown"
896 ln_s="ln -sf"
897
898 # machine
899 arch=`uname -m`
900 cpu="generic"
901
902 # OS
903 targetos=$(tolower $(uname -s))
904
905 # libraries
906 enable zlib
907
908 # configurable options
909 enable debug
910 enable dostrip
911 enable ffmpeg
912 enable ffplay
913 enable ffserver
914 enable ipv6
915 enable static
916 enable mpegaudio_hp
917 enable network
918 enable optimizations
919 enable protocols
920 vhook="default"
921
922 # build settings
923 SHFLAGS='-shared -Wl,-soname,$@'
924 VHOOKSHFLAGS='$(SHFLAGS)'
925 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
926 FFSERVERLDFLAGS=-Wl,-E
927 LIBPREF="lib"
928 LIBSUF=".a"
929 FULLNAME='$(NAME)$(BUILDSUF)'
930 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
931 SLIBPREF="lib"
932 SLIBSUF=".so"
933 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
934 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
935 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
936 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
937
938 # gcc stupidly only outputs the basename of targets with -MM
939 DEPEND_CMD='$(CC) -MM $(CFLAGS) $(filter-out %.h,$^) | sed "s,[0-9a-z._-]*: \($(SRC_DIR)/\)*\([a-z0-9]*/\)[^/]* ,\\2&,"'
940 VHOOK_DEPEND_CMD='$(CC) -MM $(VHOOKCFLAGS) $(filter-out %.h,$^) | sed "s,^\([a-z]\),vhook/\\1,"'
941
942 # find source path
943 source_path="`dirname \"$0\"`"
944 enable source_path_used
945 if test -z "$source_path" -o "$source_path" = "." ; then
946 source_path="`pwd`"
947 disable source_path_used
948 else
949 source_path="`cd \"$source_path\"; pwd`"
950 echo "$source_path" | grep -q '[[:blank:]]' &&
951 die "Out of tree builds are impossible with whitespace in source path."
952 fi
953
954 FFMPEG_CONFIGURATION="$@"
955
956 find_things(){
957 thing=$1
958 pattern=$2
959 file=$source_path/$3
960 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
961 }
962
963 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
964 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
965 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
966 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
967 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
968 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
969 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
970 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
971 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
972 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
973
974 enable $ARCH_EXT_LIST \
975 $DECODER_LIST \
976 $ENCODER_LIST \
977 $PARSER_LIST \
978 $BSF_LIST \
979 $DEMUXER_LIST \
980 $MUXER_LIST \
981 $FILTER_LIST \
982 $PROTOCOL_LIST \
983 $INDEV_LIST \
984 $OUTDEV_LIST \
985
986 die_unknown(){
987 echo "Unknown option \"$1\"."
988 echo "See $0 --help for available options."
989 exit 1
990 }
991
992 show_list() {
993 suffix=_$1
994 shift
995 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
996 exit 0
997 }
998
999 for opt do
1000 optval="${opt#*=}"
1001 case "$opt" in
1002 --log)
1003 ;;
1004 --log=*) logging="$optval"
1005 ;;
1006 --prefix=*) PREFIX="$optval"
1007 ;;
1008 --libdir=*) libdir="$optval"
1009 ;;
1010 --shlibdir=*) shlibdir="$optval"
1011 ;;
1012 --incdir=*) incdir="$optval"
1013 ;;
1014 --mandir=*) mandir="$optval"
1015 ;;
1016 --source-path=*) source_path="$optval"
1017 ;;
1018 --cross-prefix=*) cross_prefix="$optval"
1019 ;;
1020 --cross-compile) enable cross_compile
1021 ;;
1022 --target-os=*) targetos="$optval"
1023 ;;
1024 --cc=*) cc="$optval"
1025 ;;
1026 --make=*) make="$optval"
1027 ;;
1028 --extra-cflags=*) add_cflags "$optval"
1029 ;;
1030 --extra-ldflags=*) add_ldflags "$optval"
1031 ;;
1032 --extra-libs=*) add_extralibs "$optval"
1033 ;;
1034 --build-suffix=*) BUILDSUF="$optval"
1035 ;;
1036 --arch=*) arch="$optval"
1037 ;;
1038 --cpu=*) cpu="$optval"
1039 ;;
1040 --enable-sunmlib) enable mlib
1041 ;;
1042 --disable-strip) disable dostrip
1043 ;;
1044 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1045 ;;
1046 --enable-debug=*) debuglevel="$optval"
1047 ;;
1048 --enable-*=*|--disable-*=*)
1049 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1050 case "$thing" in
1051 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1052 *) die_unknown "$opt" ;;
1053 esac
1054 ;;
1055 --enable-?*|--disable-?*)
1056 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1057 if is_in $option $COMPONENT_LIST; then
1058 eval $action \$$(toupper ${option%s})_LIST
1059 elif is_in $option $CMDLINE_SELECT; then
1060 $action $option
1061 else
1062 die_unknown $opt
1063 fi
1064 ;;
1065 --list-*)
1066 NAME="${opt#--list-}"
1067 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1068 NAME=${NAME%s}
1069 eval show_list $NAME \$$(toupper $NAME)_LIST
1070 ;;
1071 --help|-h) show_help
1072 ;;
1073 *)
1074 die_unknown $opt
1075 ;;
1076 esac
1077 done
1078
1079 case "$arch" in
1080 i386|i486|i586|i686|i86pc|BePC)
1081 arch="x86_32"
1082 enable fast_unaligned
1083 ;;
1084 x86_64|amd64)
1085 arch="x86_32"
1086 enable fast_unaligned
1087 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1088 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1089 if ! echo $CFLAGS | grep -q -- -m32; then
1090 arch="x86_64"
1091 enable fast_64bit
1092 fi
1093 fi
1094 ;;
1095 # armv4l is a subset of armv[567]*l
1096 arm|armv[4567]*l)
1097 arch="armv4l"
1098 ;;
1099 alpha)
1100 arch="alpha"
1101 enable fast_64bit
1102 ;;
1103 "Power Macintosh"|ppc|powerpc)
1104 arch="powerpc"
1105 ;;
1106 ppc64)
1107 arch="powerpc"
1108 enable fast_64bit
1109 ;;
1110 mips|mipsel|IP*)
1111 arch="mips"
1112 ;;
1113 sun4u|sparc64)
1114 arch="sparc64"
1115 enable fast_64bit
1116 ;;
1117 sparc)
1118 arch="sparc"
1119 ;;
1120 sh4)
1121 arch="sh4"
1122 ;;
1123 parisc)
1124 arch="parisc"
1125 ;;
1126 parisc64)
1127 arch="parisc"
1128 enable fast_64bit
1129 ;;
1130 s390|s390x)
1131 arch="s390"
1132 ;;
1133 m68k)
1134 arch="m68k"
1135 ;;
1136 ia64)
1137 arch="ia64"
1138 enable fast_64bit
1139 ;;
1140 bfin)
1141 arch="bfin"
1142 ;;
1143 *)
1144 arch="unknown"
1145 ;;
1146 esac
1147
1148 enable $arch
1149 enabled_any x86_32 x86_64 && enable x86
1150 enabled sparc64 && enable sparc
1151
1152 # OS specific
1153 case $targetos in
1154 beos|haiku|zeta)
1155 PREFIX="$HOME/config"
1156 # helps building libavcodec
1157 add_cflags "-DPIC -fomit-frame-pointer"
1158 # 3 gcc releases known for BeOS, each with ugly bugs
1159 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1160 case "$gcc_version" in
1161 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1162 disable mmx
1163 ;;
1164 *20010315*) echo "BeBits gcc"
1165 add_cflags "-fno-expensive-optimizations"
1166 ;;
1167 esac
1168 SHFLAGS=-nostart
1169 # enable BeOS things
1170 enable audio_beos
1171 # no need for libm, but the inet stuff
1172 # Check for BONE
1173 # XXX: actually should check for NOT net_server
1174 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1175 network_extralibs="-lbind -lsocket"
1176 else
1177 enable beos_netserver
1178 network_extralibs="-lnet"
1179 fi ;;
1180 sunos)
1181 FFSERVERLDFLAGS=""
1182 SHFLAGS='-shared -Wl,-h,$@'
1183 network_extralibs="-lsocket -lnsl"
1184 ;;
1185 netbsd)
1186 oss_demuxer_extralibs="-lossaudio"
1187 oss_muxer_extralibs="-lossaudio"
1188 ;;
1189 openbsd)
1190 disable need_memalign
1191 LIBOBJFLAGS='$(PIC)'
1192 SHFLAGS='-shared'
1193 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1194 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1195 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1196 oss_demuxer_extralibs="-lossaudio"
1197 oss_muxer_extralibs="-lossaudio"
1198 ;;
1199 freebsd)
1200 disable need_memalign
1201 ;;
1202 bsd/os)
1203 osextralibs="-lpoll -lgnugetopt"
1204 strip="strip -d"
1205 ;;
1206 darwin)
1207 disable need_memalign
1208 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1209 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1210 strip="strip -x"
1211 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1212 SLIBSUF=".dylib"
1213 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1214 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1215 FFSERVERLDFLAGS=-Wl,-bind_at_load
1216 ;;
1217 mingw32*)
1218 targetos=mingw32
1219 shlibdir="$bindir"
1220 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1221 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1222 if enabled swscale; then
1223 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1224 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1225 fi
1226 disable ffserver
1227 SLIBPREF=""
1228 SLIBSUF=".dll"
1229 EXESUF=".exe"
1230 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1231 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1232 SLIB_EXTRA_CMD='-lib /machine:i386 /def:$(@:$(SLIBSUF)=.def)'
1233 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1234 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1235 SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1236 ;;
1237 cygwin*)
1238 targetos=cygwin
1239 shlibdir="$bindir"
1240 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1241 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1242 if enabled swscale; then
1243 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1244 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1245 fi
1246 EXESUF=".exe"
1247 SLIBPREF="cyg"
1248 SLIBSUF=".dll"
1249 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1250 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1251 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1252 ;;
1253 *-dos|freedos|opendos)
1254 disable ffplay ffserver vhook
1255 disable $INDEV_LIST $OUTDEV_LIST
1256 network_extralibs="-lsocket"
1257 EXESUF=".exe"
1258 ;;
1259 linux)
1260 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1261 enable dv1394
1262 ;;
1263 irix*)
1264 targetos=irix
1265 ranlib="echo ignoring ranlib"
1266 ;;
1267 os/2*)
1268 ar="emxomfar -p256"
1269 ranlib="echo ignoring ranlib"
1270 strip="lxlite"
1271 ln_s="cp -f"
1272 add_cflags "-Zomf"
1273 EXESUF=".exe"
1274 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1275 SHFLAGS='$(NAME).def -Zdll -Zomf'
1276 FFSERVERLDFLAGS=""
1277 LIBSUF="_s.lib"
1278 SLIBPREF=""
1279 SLIBSUF=".dll"
1280 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1281 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1282 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(NAME).def; \
1283 echo PROTMODE >> $(NAME).def; \
1284 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
1285 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
1286 echo EXPORTS >> $(NAME).def; \
1287 emxexp -o $(OBJS) >> $(NAME).def'
1288 SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
1289 emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
1290 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1291 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1292 disable vhook
1293 ;;
1294 interix)
1295 disable vhook
1296 ;;
1297
1298 *)
1299 targetos="${targetos}-UNKNOWN"
1300 ;;
1301 esac
1302
1303 add_extralibs $osextralibs
1304
1305 if ! disabled logging ; then
1306 enabled logging || logfile="$logging"
1307 echo "# $0 $@" >$logfile
1308 set >>$logfile
1309 else
1310 logfile=/dev/null
1311 fi
1312
1313 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1314 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1315
1316 test -n "$cross_prefix" && enable cross_compile
1317 cc="${cross_prefix}${cc}"
1318 ar="${cross_prefix}${ar}"
1319 nm="${cross_prefix}${nm}"
1320 ranlib="${cross_prefix}${ranlib}"
1321 strip="${cross_prefix}${strip}"
1322
1323 # we need to build at least one lib type
1324 if ! enabled_any static shared; then
1325 cat <<EOF
1326 At least one library type must be built.
1327 Specify --enable-static to build the static libraries or --enable-shared to
1328 build the shared libraries as well. To only build the shared libraries specify
1329 --disable-static in addition to --enable-shared.
1330 EOF
1331 exit 1;
1332 fi
1333
1334 disabled static && LIBNAME=""
1335
1336 if enabled_any libfaad libfaadbin ; then
1337 if check_header faad.h; then
1338 check_cc << EOF
1339 #include <faad.h>
1340 #ifndef FAAD2_VERSION
1341 ok faad1
1342 #endif
1343 int main(void) { return 0; }
1344 EOF
1345 test $? = 0 && enable libfaad2
1346 else
1347 die "FAAD test failed."
1348 fi
1349 fi
1350
1351
1352 if ! enabled gpl; then
1353 die_gpl_disabled(){
1354 name=$1
1355 shift
1356 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1357 }
1358 die_gpl_disabled "The Postprocessing code" postproc
1359 die_gpl_disabled "liba52" liba52
1360 die_gpl_disabled "libx264" libx264
1361 die_gpl_disabled "libxvidcore" libxvid
1362 die_gpl_disabled "FAAD2" libfaad2
1363 die_gpl_disabled "The X11 grabber" x11grab
1364 die_gpl_disabled "The software scaler" swscale
1365 fi
1366
1367 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1368 die "libamr is nonfree and --enable-nonfree is not specified."
1369 fi
1370
1371 check_deps $ARCH_EXT_LIST
1372
1373 test -z "$need_memalign" && need_memalign="$mmx"
1374
1375 #Darwin CC versions
1376 if test $targetos = darwin; then
1377 if $cc -v 2>&1 | grep -q xlc; then
1378 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1379 else
1380 add_cflags "-pipe"
1381 check_cflags "-force_cpusubtype_ALL"
1382 check_cflags "-Wno-sign-compare"
1383 enabled shared || add_cflags -mdynamic-no-pic
1384 fi
1385 fi
1386
1387 disabled optimizations || add_cflags -fomit-frame-pointer
1388
1389 # Add processor-specific flags
1390 if test $cpu != "generic"; then
1391 warn_altivec(){
1392 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1393 }
1394 case $cpu in
1395 601|ppc601|PowerPC601)
1396 add_cflags "-mcpu=601"
1397 warn_altivec enabled PPC601
1398 ;;
1399 603*|ppc603*|PowerPC603*)
1400 add_cflags "-mcpu=603"
1401 warn_altivec enabled PPC603
1402 ;;
1403 604*|ppc604*|PowerPC604*)
1404 add_cflags "-mcpu=604"
1405 warn_altivec enabled PPC604
1406 ;;
1407 G3|g3|75*|ppc75*|PowerPC75*)
1408 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1409 warn_altivec enabled PPC75x
1410 ;;
1411 G4|g4|745*|ppc745*|PowerPC745*)
1412 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1413 warn_altivec disabled PPC745x
1414 ;;
1415 74*|ppc74*|PowerPC74*)
1416 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1417 warn_altivec disabled PPC74xx
1418 ;;
1419 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1420 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1421 warn_altivec disabled PPC970
1422 enable ppc64
1423 ;;
1424 Cell|CELL|cell)
1425 add_cflags "-mcpu=cell"
1426 warn_altivec disabled Cell
1427 enable ppc64
1428 ;;
1429 # targets that do NOT support conditional mov (cmov)
1430 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1431 add_cflags "-march=$cpu"
1432 disable cmov
1433 ;;
1434 # targets that do support conditional mov (cmov)
1435 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1436 add_cflags "-march=$cpu"
1437 enable cmov
1438 enable fast_cmov
1439 ;;
1440 # targets that do support conditional mov but on which it's slow
1441 pentium4|pentium4m|prescott|nocona)
1442 add_cflags "-march=$cpu"
1443 enable cmov
1444 disable fast_cmov
1445 ;;
1446 sparc64)
1447 add_cflags "-mcpu=v9"
1448 ;;
1449 arm*)
1450 add_cflags "-mcpu=$cpu"
1451 ;;
1452 *)
1453 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1454 ;;
1455 esac
1456 fi
1457
1458 gnu_make(){
1459 $1 --version 2>&1 | grep -q GNU
1460 }
1461
1462 if ! gnu_make $make; then
1463 gnu_make gmake && make=gmake || die "GNU make not found."
1464 fi
1465
1466 # make sure we can execute files in $TMPDIR
1467 cat >$TMPE 2>>$logfile <<EOF
1468 #! /bin/sh
1469 EOF
1470 chmod +x $TMPE >>$logfile 2>&1
1471 if ! $TMPE >>$logfile 2>&1; then
1472 cat <<EOF
1473 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1474 variable to another directory and make sure that $TMPDIR1 is not mounted
1475 noexec.
1476 EOF
1477 die "Sanity test failed."
1478 fi
1479 rm $TMPE
1480
1481 # compiler sanity check
1482 check_exec <<EOF
1483 int main(void){
1484 return 0;
1485 }
1486 EOF
1487 if test "$?" != 0; then
1488 echo "$cc is unable to create an executable file."
1489 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1490 echo "If $cc is a cross-compiler, use the --cross-compile option."
1491 echo "Only do this if you know what cross compiling means."
1492 fi
1493 die "C compiler test failed."
1494 fi
1495
1496 check_cc <<EOF || die "Symbol mangling check failed."
1497 int ff_extern;
1498 EOF
1499 sym=$($nm -P -g $TMPO)
1500 extern_prefix=${sym%%ff_extern*}
1501
1502 check_asm inline_asm '""'
1503
1504 if enabled x86; then
1505 # check whether EBP is available on x86
1506 # As 'i' is stored on the stack, this program will crash
1507 # if the base pointer is used to access it because the
1508 # base pointer is cleared in the inline assembly code.
1509 check_exec_crash <<EOF && enable ebp_available
1510 volatile int i=0;
1511 asm volatile (
1512 "xorl %%ebp, %%ebp"
1513 ::: "%ebp");
1514 return i;
1515 EOF
1516
1517 # check wether EBX is available on x86
1518 check_asm ebx_available '"":::"%ebx"'
1519
1520 # check whether binutils is new enough to compile SSSE3
1521 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1522
1523 check_asm bswap '"bswap %%eax" ::: "%eax"'
1524 fi
1525
1526 # check for assembler specific support
1527
1528 if test $arch = "powerpc"; then
1529 check_cc <<EOF && enable dcbzl
1530 int main(void) {
1531 register long zero = 0;
1532 char data[1024];
1533 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1534 return 0;
1535 }
1536 EOF
1537 fi
1538
1539 # check for SIMD availability
1540
1541 # AltiVec flags: The FSF version of GCC differs from the Apple version
1542 if enabled altivec; then
1543 check_cflags -maltivec -mabi=altivec &&
1544 check_header altivec.h ||
1545 check_cflags -faltivec
1546
1547 # check if our compiler supports Motorola AltiVec C API
1548 enabled altivec_h &&
1549 inc_altivec_h="#include <altivec.h>" ||
1550 inc_altivec_h=
1551 check_cc <<EOF || disable altivec
1552 $inc_altivec_h
1553 int main(void) {
1554 vector signed int v1, v2, v3;
1555 v1 = vec_add(v2,v3);
1556 return 0;
1557 }
1558 EOF
1559 fi
1560
1561 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1562 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1563 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1564 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1565 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1566
1567 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1568
1569 # ---
1570 # big/little-endian test
1571 check_cc <<EOF || die "endian test failed"
1572 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1573 EOF
1574 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1575
1576 # ---
1577 # check availability of some header files
1578
1579 if check_func dlopen; then
1580 ldl=
1581 elif check_func dlopen -ldl; then
1582 ldl=-ldl
1583 fi
1584
1585 check_func fork
1586 check_func gethrtime
1587 check_func getrusage
1588 check_func inet_aton $network_extralibs
1589 check_func memalign
1590 check_func mkstemp
1591 check_func2 windows.h GetProcessTimes
1592
1593 check_header byteswap.h
1594 check_header conio.h
1595 check_header dlfcn.h
1596 check_header malloc.h
1597 check_header termios.h
1598
1599 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1600 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1601 fi
1602
1603 enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
1604
1605 # ffserver uses poll(),
1606 # if it's not found we can emulate it using select().
1607 if enabled ffserver; then
1608 check_header poll.h
1609 check_header sys/select.h
1610 fi
1611
1612 # check for some common methods of building with pthread support
1613 # do this before the optional library checks as some of them require pthreads
1614 if enabled pthreads; then
1615 if check_func pthread_create; then
1616 :
1617 elif check_func pthread_create -pthread; then
1618 add_cflags -pthread
1619 add_extralibs -pthread
1620 elif check_func pthread_create -pthreads; then
1621 add_cflags -pthreads
1622 add_extralibs -pthreads
1623 elif ! check_lib pthread.h pthread_create -lpthread; then
1624 die "ERROR: can't find pthreads library"
1625 fi
1626 fi
1627
1628 for thread in $THREADS_LIST; do
1629 if enabled $thread; then
1630 test -n "$thread_type" &&
1631 die "ERROR: Only one thread type must be selected." ||
1632 thread_type="$thread"
1633 fi
1634 done
1635
1636 check_lib math.h sin -lm
1637
1638 # test for C99 functions in math.h
1639 for func in llrint lrint lrintf round roundf; do
1640 check_exec <<EOF && enable $func || disable $func
1641 #define _ISOC9X_SOURCE 1
1642 #include <math.h>
1643 int main(void) { return ($func(3.999f) > 0)?0:1; }
1644 EOF
1645 done
1646
1647 # these are off by default, so fail if requested and not available
1648 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1649 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1650 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1651 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1652 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1653 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1654 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1655 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1656 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1657 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1658 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1659 enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
1660 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1661 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1662
1663 # disable the native AC-3 decoder if liba52 is enabled
1664 enabled liba52 && disable ac3_decoder
1665
1666 # libdc1394 check
1667 if enabled libdc1394; then
1668 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1669 enable libdc1394_2; } ||
1670 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1671 enable libdc1394_1; } ||
1672 die "ERROR: No version of libdc1394 found "
1673 fi
1674
1675
1676 _restrict=
1677 for restrict_keyword in restrict __restrict__ __restrict; do
1678 check_cc <<EOF && _restrict=$restrict_keyword && break
1679 void foo(char * $restrict_keyword p);
1680 EOF
1681 done
1682
1683 test "$vhook" = "default" && vhook="$dlopen"
1684
1685 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1686 disable vhook
1687 echo
1688 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1689 echo "Patches welcome."
1690 echo
1691 fi
1692
1693 if enabled vhook; then
1694 check_ldflags -rdynamic
1695 check_ldflags -export-dynamic
1696 fi
1697
1698 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1699 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1700
1701 ##########################################
1702 # SDL check
1703
1704 disable sdl_too_old
1705 disable sdl
1706 SDL_CONFIG="${cross_prefix}sdl-config"
1707 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1708 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1709 temp_cflags $sdl_cflags
1710 temp_extralibs `"${SDL_CONFIG}" --libs`
1711 if check_lib2 SDL.h SDL_Init; then
1712 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1713 if test "$_sdlversion" -lt 121 ; then
1714 enable sdl_too_old
1715 else
1716 enable sdl
1717 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1718 #include <SDL.h>
1719 int main(int argc, char **argv){
1720 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1721 int w = vi->current_w;
1722 return 0;
1723 }
1724 EOF
1725 fi
1726 fi
1727 restore_flags
1728 fi
1729
1730 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1731
1732 check_type sys/socket.h socklen_t
1733
1734 ##########################################
1735 # Network check
1736
1737 if enabled network; then
1738 # Prefer arpa/inet.h over winsock2
1739 if check_header arpa/inet.h ; then
1740 check_func closesocket
1741 elif check_header winsock2.h ; then
1742 network_extralibs="-lws2_32"
1743 check_type ws2tcpip.h socklen_t
1744 check_func2 winsock2.h closesocket
1745 fi
1746 fi
1747
1748 ##########################################
1749 # IPv6 check
1750
1751 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1752 #include <sys/types.h>
1753 #include <sys/socket.h>
1754 #include <netinet/in.h>
1755 #include <netdb.h>
1756 int main(void) {
1757 struct sockaddr_storage saddr;
1758 struct ipv6_mreq mreq6;
1759 getaddrinfo(0,0,0,0);
1760 getnameinfo(0,0,0,0,0,0,0);
1761 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1762 }
1763 EOF
1764
1765 check_header linux/videodev.h
1766 check_header linux/videodev2.h
1767
1768 check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1769
1770 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1771 { check_header dev/bktr/ioctl_meteor.h &&
1772 check_header dev/bktr/ioctl_bt848.h; } ||
1773 { check_header machine/ioctl_meteor.h &&
1774 check_header machine/ioctl_bt848.h; } ||
1775 { check_header dev/video/meteor/ioctl_meteor.h &&
1776 check_header dev/video/bktr/ioctl_bt848.h; } ||
1777 check_header dev/ic/bt8xx.h
1778
1779 check_header sys/soundcard.h
1780 check_header soundcard.h
1781
1782 # deal with the X11 frame grabber
1783 enabled x11grab &&
1784 check_header X11/Xlib.h &&
1785 check_header X11/extensions/XShm.h &&
1786 check_func XOpenDisplay -lX11 &&
1787 check_func XShmCreateImage -lX11 -lXext
1788
1789 enabled debug && add_cflags -g"$debuglevel"
1790
1791 # add some useful compiler flags if supported
1792 check_cflags -Wdeclaration-after-statement
1793 check_cflags -Wall
1794 check_cflags -Wno-switch
1795 check_cflags -Wdisabled-optimization
1796 check_cflags -Wpointer-arith
1797 check_cflags -Wredundant-decls
1798 check_cflags -Wno-pointer-sign
1799 check_cflags -Wcast-qual
1800 check_cflags -Wwrite-strings
1801 check_cflags -Wtype-limits
1802 enabled extra_warnings && check_cflags -Winline
1803
1804 # add some linker flags
1805 check_ldflags -Wl,--warn-common
1806 check_ldflags $LDLATEFLAGS
1807 check_ldflags -Wl,-Bsymbolic
1808
1809 if enabled small; then
1810 check_cflags -Os # not all compilers support -Os
1811 optimizations="small"
1812 elif enabled optimizations; then
1813 if $cc -v 2>&1 | grep -q xlc; then
1814 add_cflags "-O5"
1815 add_ldflags "-O5"
1816 else
1817 add_cflags "-O3"
1818 fi
1819 fi
1820 check_cflags -fno-math-errno
1821 check_cflags -fno-signed-zeros
1822
1823 # PIC flags for shared library objects where they are needed
1824 if enabled shared; then
1825 # LIBOBJFLAGS may have already been set in the OS configuration
1826 if test -z "$LIBOBJFLAGS" ; then
1827 case "$arch" in
1828 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
1829 esac
1830 fi
1831 fi
1832
1833 if enabled gprof; then
1834 add_cflags "-p"
1835 add_ldflags "-p"
1836 fi
1837
1838 VHOOKCFLAGS="-fPIC"
1839
1840 # Find out if the .align argument is a power of two or not.
1841 if test $asmalign_pot = "unknown"; then
1842 disable asmalign_pot
1843 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1844 fi
1845
1846 enabled_any $DECODER_LIST && enable decoders
1847 enabled_any $ENCODER_LIST && enable encoders
1848 enabled_any $BSF_LIST && enable bsfs
1849 enabled_any $DEMUXER_LIST && enable demuxers
1850 enabled_any $MUXER_LIST && enable muxers
1851 enabled_any $FILTER_LIST && enable filters
1852 enabled_any $INDEV_LIST && enable demuxers
1853 enabled_any $OUTDEV_LIST && enable muxers
1854 enabled_any $PROTOCOL_LIST && enable protocols
1855
1856 enabled_any $THREADS_LIST && enable threads
1857
1858 check_deps $CONFIG_LIST \
1859 $HAVE_LIST \
1860 $DECODER_LIST \
1861 $ENCODER_LIST \
1862 $PARSER_LIST \
1863 $BSF_LIST \
1864 $DEMUXER_LIST \
1865 $MUXER_LIST \
1866 $FILTER_LIST \
1867 $INDEV_LIST \
1868 $OUTDEV_LIST \
1869 $PROTOCOL_LIST \
1870
1871 enabled libdc1394 && append pkg_requires "libraw1394"
1872 enabled libtheora && append pkg_requires "theora"
1873 enabled libvorbis && append pkg_requires "vorbisenc"
1874
1875 echo "install prefix $PREFIX"
1876 echo "source path $source_path"
1877 echo "C compiler $cc"
1878 echo "make $make"
1879 echo ".align is power-of-two $asmalign_pot"
1880 echo "ARCH $arch ($cpu)"
1881 if test "$BUILDSUF" != ""; then
1882 echo "build suffix $BUILDSUF"
1883 fi
1884 echo "big-endian ${bigendian-no}"
1885 if test $arch = "x86_32" -o $arch = "x86_64"; then
1886 echo "MMX enabled ${mmx-no}"
1887 echo "CMOV enabled ${cmov-no}"
1888 echo "CMOV is fast ${fast_cmov-no}"
1889 echo "EBX available ${ebx_available-no}"
1890 echo "EBP available ${ebp_available-no}"
1891 fi
1892 if test $arch = "armv4l"; then
1893 echo "ARMv5TE enabled ${armv5te-no}"
1894 echo "ARMv6 enabled ${armv6-no}"
1895 echo "IWMMXT enabled ${iwmmxt-no}"
1896 fi
1897 if test $arch = "mips"; then
1898 echo "MMI enabled ${mmi-no}"
1899 fi
1900 if test $arch = "powerpc"; then
1901 echo "AltiVec enabled ${altivec-no}"
1902 echo "dcbzl available ${dcbzl-no}"
1903 fi
1904 echo "gprof enabled ${gprof-no}"
1905 echo "debug symbols ${debug-no}"
1906 echo "strip symbols ${dostrip-no}"
1907 echo "optimizations ${optimizations-no}"
1908 echo "static ${static-no}"
1909 echo "shared ${shared-no}"
1910 echo "postprocessing support ${postproc-no}"
1911 echo "software scaler enabled ${swscale-no}"
1912 echo "new filter support ${avfilter-no}"
1913 echo "filters using lavformat ${avfilter_lavf-no}"
1914 echo "video hooking ${vhook-no}"
1915 if enabled vhook; then
1916 echo "Imlib2 support ${imlib2-no}"
1917 echo "FreeType support ${freetype2-no}"
1918 fi
1919 echo "network support ${network-no}"
1920 if enabled network; then
1921 echo "IPv6 support ${ipv6-no}"
1922 fi
1923 echo "threading support ${thread_type-no}"
1924 echo "SDL support ${sdl-no}"
1925 if enabled sdl_too_old; then
1926 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1927 fi
1928 echo "Sun medialib support ${mlib-no}"
1929 echo "AVISynth enabled ${avisynth-no}"
1930 echo "liba52 support ${liba52-no}"
1931 echo "liba52 dlopened ${liba52bin-no}"
1932 echo "libamr-nb support ${libamr_nb-no}"
1933 echo "libamr-wb support ${libamr_wb-no}"
1934 echo "libdc1394 support ${libdc1394-no}"
1935 echo "libfaac enabled ${libfaac-no}"
1936 echo "libfaad enabled ${libfaad-no}"
1937 echo "libfaad dlopened ${libfaadbin-no}"
1938 echo "libgsm enabled ${libgsm-no}"
1939 echo "libmp3lame enabled ${libmp3lame-no}"
1940 echo "libnut enabled ${libnut-no}"
1941 echo "libtheora enabled ${libtheora-no}"
1942 echo "libvorbis enabled ${libvorbis-no}"
1943 echo "x264 enabled ${libx264-no}"
1944 echo "XviD enabled ${libxvid-no}"
1945 echo "zlib enabled ${zlib-no}"
1946 echo
1947
1948 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
1949 echo "Enabled ${type}s:"
1950 eval list=\$$(toupper $type)_LIST
1951 for part in $list; do
1952 enabled $part && echo ${part%_*}
1953 done | sort | pr -3 -t
1954 echo
1955 done
1956
1957 enabled nonfree &&
1958 echo "License: unredistributable" ||
1959 (enabled gpl &&
1960 echo "License: GPL" ||
1961 echo "License: LGPL")
1962
1963 echo "Creating config.mak and config.h..."
1964
1965 echo "# Automatically generated by configure - do not modify!" > config.mak
1966 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1967 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
1968 echo "#define FFMPEG_CONFIG_H" >> $TMPH
1969 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1970
1971 echo "PREFIX=$PREFIX" >> config.mak
1972 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1973 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1974 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1975 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1976 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1977 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1978 echo "MAKE=$make" >> config.mak
1979 echo "CC=$cc" >> config.mak
1980 echo "AR=$ar" >> config.mak
1981 echo "RANLIB=$ranlib" >> config.mak
1982 echo "LN_S=$ln_s" >> config.mak
1983 enabled dostrip &&
1984 echo "STRIP=$strip" >> config.mak ||
1985 echo "STRIP=echo ignoring strip" >> config.mak
1986
1987 echo "OPTFLAGS=$CFLAGS" >> config.mak
1988 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1989 echo "LDFLAGS=$LDFLAGS" >> config.mak
1990 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1991 echo "SHFLAGS=$SHFLAGS" >> config.mak
1992 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1993 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1994 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1995 echo "BUILD_STATIC=$static" >> config.mak
1996 echo "BUILDSUF=$BUILDSUF" >> config.mak
1997 echo "FULLNAME=$FULLNAME" >> config.mak
1998 echo "LIBPREF=$LIBPREF" >> config.mak
1999 echo "LIBSUF=$LIBSUF" >> config.mak
2000 echo "LIBNAME=$LIBNAME" >> config.mak
2001 echo "SLIBPREF=$SLIBPREF" >> config.mak
2002 echo "SLIBSUF=$SLIBSUF" >> config.mak
2003 echo "EXESUF=$EXESUF" >> config.mak
2004 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2005 echo "VHOOK_DEPEND_CMD=$VHOOK_DEPEND_CMD" >> config.mak
2006
2007 if enabled bigendian; then
2008 echo "WORDS_BIGENDIAN=yes" >> config.mak
2009 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2010 fi
2011
2012 if enabled sdl; then
2013 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2014 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2015 fi
2016 if enabled texi2html; then
2017 echo "BUILD_DOC=yes" >> config.mak
2018 fi
2019
2020 get_version(){
2021 name=$1
2022 file=$source_path/$2
2023 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2024 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2025 lcname=$(tolower $name)
2026 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2027 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2028 }
2029
2030 get_version LIBSWSCALE libswscale/swscale.h
2031 get_version LIBPOSTPROC libpostproc/postprocess.h
2032 get_version LIBAVCODEC libavcodec/avcodec.h
2033 get_version LIBAVDEVICE libavdevice/avdevice.h
2034 get_version LIBAVFORMAT libavformat/avformat.h
2035 get_version LIBAVUTIL libavutil/avutil.h
2036 get_version LIBAVFILTER libavfilter/avfilter.h
2037
2038 if enabled shared; then
2039 echo "BUILD_SHARED=yes" >> config.mak
2040 echo "PIC=-fPIC -DPIC" >> config.mak
2041 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2042 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2043 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2044 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2045 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2046 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2047 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2048 fi
2049 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2050 echo "EXTRALIBS=$extralibs" >> config.mak
2051
2052 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2053 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2054 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2055 $DECODER_LIST \
2056 $ENCODER_LIST \
2057 $PARSER_LIST \
2058 $BSF_LIST \
2059 $DEMUXER_LIST \
2060 $MUXER_LIST \
2061 $FILTER_LIST \
2062 $PROTOCOL_LIST \
2063 $INDEV_LIST \
2064 $OUTDEV_LIST \
2065
2066 echo "#define restrict $_restrict" >> $TMPH
2067
2068 if enabled small; then
2069 echo "#define av_always_inline" >> $TMPH
2070 fi
2071
2072 echo "SRC_PATH=\"$source_path\"" >> config.mak
2073 echo "SRC_PATH_BARE=$source_path" >> config.mak
2074 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2075
2076 # Apparently it's not possible to portably echo a backslash.
2077 enabled asmalign_pot &&
2078 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2079 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2080
2081 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2082
2083 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2084
2085 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2086 cmp -s $TMPH config.h &&
2087 echo "config.h is unchanged" ||
2088 mv -f $TMPH config.h
2089
2090 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2091
2092 # build tree in object directory if source path is different from current one
2093 if enabled source_path_used; then
2094 DIRS="\
2095 doc \
2096 libavcodec \
2097 libavcodec/alpha \
2098 libavcodec/armv4l \
2099 libavcodec/bfin \
2100 libavcodec/i386 \
2101 libavcodec/mlib \
2102 libavcodec/ppc \
2103 libavcodec/sh4 \
2104 libavcodec/sparc \
2105 libavdevice \
2106 libavfilter \
2107 libavformat \
2108 libavutil \
2109 libpostproc \
2110 libswscale \
2111 tests \
2112 tools \
2113 vhook \
2114 "
2115 FILES="\
2116 Makefile \
2117 common.mak \
2118 doc/texi2pod.pl \
2119 libavcodec/Makefile \
2120 libavdevice/Makefile \
2121 libavfilter/Makefile \
2122 libavformat/Makefile \
2123 libavutil/Makefile \
2124 libpostproc/Makefile \
2125 libswscale/Makefile \
2126 "
2127 for dir in $DIRS ; do
2128 mkdir -p $dir
2129 done
2130 for f in $FILES ; do
2131 $ln_s "$source_path/$f" $f
2132 done
2133 fi
2134
2135
2136 # build pkg-config files
2137 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2138
2139 pkgconfig_generate(){
2140 name=$1
2141 comment=$2
2142 version=$3
2143 libs=$4
2144 requires=$5
2145 cat <<EOF >$name.pc
2146 prefix=$PREFIX
2147 exec_prefix=\${prefix}
2148 libdir=\${exec_prefix}/lib
2149 includedir=\${prefix}/include
2150
2151 Name: $name
2152 Description: $comment
2153 Version: $version
2154 Requires: $requires
2155 Conflicts:
2156 Libs: -L\${libdir} $libs
2157 Cflags: -I\${includedir}
2158 EOF
2159 }
2160
2161 pkgconfig_generate_uninstalled(){
2162 name=$1
2163 shortname=${name#lib}
2164 comment=$2
2165 version=$3
2166 libs=$4
2167 requires=$5
2168 cat <<EOF >$name-uninstalled.pc
2169 prefix=
2170 exec_prefix=
2171 libdir=\${pcfiledir}/$name
2172 includedir=\${pcfiledir}
2173
2174 Name: $name
2175 Description: $comment
2176 Version: $version
2177 Requires: $requires
2178 Conflicts:
2179 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2180 Cflags: -I\${includedir}
2181 EOF
2182 }
2183
2184 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" -lavutil ""
2185 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2186
2187 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "-lavcodec $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2188 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2189
2190 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "-lavformat $extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2191 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2192
2193 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "-lavdevice $extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2194 pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2195 if enabled postproc; then
2196 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" -lpostproc ""
2197 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2198 fi
2199
2200 if enabled swscale; then
2201 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" -lswscale "libavutil = $LIBAVUTIL_VERSION"
2202 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2203 else
2204 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2205 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2206 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2207 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2208 fi
2209
2210 if enabled avfilter; then
2211 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "-lavfilter $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION" ffmpeg
2212 pkgconfig_generate_uninstalled libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2213 fi