configure: clean up .align detection
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
71 echo " --enable-static build static libraries [yes]"
72 echo " --disable-static do not build static libraries [no]"
73 echo " --enable-shared build shared libraries [no]"
74 echo " --disable-shared do not build shared libraries [yes]"
75 echo " --enable-gpl allow use of GPL code, the resulting libs"
76 echo " and binaries will be under GPL [no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
78 echo " and binaries will be unredistributable [no]"
79 echo " --enable-postproc enable GPLed postprocessing support [no]"
80 echo " --enable-swscale enable GPLed software scaler support [no]"
81 echo " --enable-avfilter video filter support (replaces vhook) [no]"
82 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
83 echo " --disable-vhook disable video hooking support"
84 echo " --enable-beosthreads use BeOS threads [no]"
85 echo " --enable-os2threads use OS/2 threads [no]"
86 echo " --enable-pthreads use pthreads [no]"
87 echo " --enable-w32threads use Win32 threads [no]"
88 echo " --enable-x11grab enable X11 grabbing [no]"
89 echo
90 echo "External library support:"
91 echo " --enable-mlib enable Sun medialib [no]"
92 echo " --enable-avisynth enable reading of AVISynth script files [no]"
93 echo " --enable-bzlib enable bzlib [no]"
94 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
95 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
96 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
97 echo " and libraw1394 [no]"
98 echo " --enable-libdirac enable Dirac support via libdirac [no]"
99 echo " --enable-libfaac enable FAAC support via libfaac [no]"
100 echo " --enable-libfaad enable FAAD support via libfaad [no]"
101 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
102 echo " --enable-libgsm enable GSM support via libgsm [no]"
103 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
104 echo " --enable-libnut enable NUT (de)muxing via libnut,"
105 echo " native (de)muxer exists [no]"
106 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
107 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
108 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
109 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
110 echo " native implementation exists [no]"
111 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
112 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
113 echo " native MPEG-4/Xvid encoder exists [no]"
114 echo " --enable-zlib enable zlib [no]"
115 echo ""
116 echo "Advanced options (experts only):"
117 echo " --source-path=PATH path to source code [$source_path]"
118 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
119 echo " --enable-cross-compile assume a cross-compiler is used"
120 echo " --target-os=OS compiler targets OS [$target_os]"
121 echo " --target-exec=CMD command to run executables on target"
122 echo " --target-path=DIR path to view of build directory on target"
123 echo " --cc=CC use C compiler CC [$cc]"
124 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
125 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
126 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
127 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
128 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
129 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
130 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
131 echo " --extra-version=STRING version string suffix []"
132 echo " --build-suffix=SUFFIX library name suffix []"
133 echo " --arch=ARCH select architecture [$arch]"
134 echo " --cpu=CPU select the minimum required CPU (affects"
135 echo " instruction selection, may crash on older CPUs)"
136 echo " --enable-powerpc-perf enable performance report on PPC"
137 echo " (requires enabling PMC)"
138 echo " --disable-altivec disable AltiVec optimizations"
139 echo " --disable-mmx disable MMX optimizations"
140 echo " --disable-mmx2 disable MMX2 optimizations"
141 echo " --disable-ssse3 disable SSSE3 optimizations"
142 echo " --disable-armv5te disable armv5te optimizations"
143 echo " --disable-armv6 disable armv6 optimizations"
144 echo " --disable-armvfp disable ARM VFP optimizations"
145 echo " --disable-iwmmxt disable iwmmxt optimizations"
146 echo " --disable-mmi disable MMI optimizations"
147 echo " --disable-neon disable neon optimizations"
148 echo " --disable-vis disable VIS optimizations"
149 echo " --disable-network disable network support [no]"
150 echo " --disable-ipv6 disable IPv6 support [no]"
151 echo " --disable-mpegaudio-hp faster (but less accurate)"
152 echo " MPEG audio decoding [no]"
153 echo " --disable-aandct disable AAN DCT code"
154 echo " --disable-fft disable FFT code"
155 echo " --disable-golomb disable Golomb code"
156 echo " --disable-mdct disable MDCT code"
157 echo " --enable-gray enable full grayscale support (slower color)"
158 echo " --disable-ffmpeg disable ffmpeg build"
159 echo " --disable-ffplay disable ffplay build"
160 echo " --disable-ffserver disable ffserver build"
161 echo " --enable-small optimize for size instead of speed"
162 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
163 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
164 echo " --enable-beos-netserver enable BeOS netserver"
165 echo " --disable-encoder=NAME disable encoder NAME"
166 echo " --enable-encoder=NAME enable encoder NAME"
167 echo " --disable-encoders disable all encoders"
168 echo " --disable-decoder=NAME disable decoder NAME"
169 echo " --enable-decoder=NAME enable decoder NAME"
170 echo " --disable-decoders disable all decoders"
171 echo " --disable-muxer=NAME disable muxer NAME"
172 echo " --enable-muxer=NAME enable muxer NAME"
173 echo " --disable-muxers disable all muxers"
174 echo " --disable-demuxer=NAME disable demuxer NAME"
175 echo " --enable-demuxer=NAME enable demuxer NAME"
176 echo " --disable-demuxers disable all demuxers"
177 echo " --enable-parser=NAME enable parser NAME"
178 echo " --disable-parser=NAME disable parser NAME"
179 echo " --disable-parsers disable all parsers"
180 echo " --enable-bsf=NAME enable bitstream filter NAME"
181 echo " --disable-bsf=NAME disable bitstream filter NAME"
182 echo " --disable-bsfs disable all bitstream filters"
183 echo " --enable-protocol=NAME enable protocol NAME"
184 echo " --disable-protocol=NAME disable protocol NAME"
185 echo " --disable-protocols disable all protocols"
186 echo " --disable-indevs disable input devices"
187 echo " --disable-outdevs disable output devices"
188 echo " --disable-devices disable all devices"
189 echo " --enable-filter=NAME enable filter NAME"
190 echo " --disable-filter=NAME disable filter NAME"
191 echo " --disable-filters disable all filters"
192 echo " --list-decoders show all available decoders"
193 echo " --list-encoders show all available encoders"
194 echo " --list-muxers show all available muxers"
195 echo " --list-demuxers show all available demuxers"
196 echo " --list-parsers show all available parsers"
197 echo " --list-protocols show all available protocols"
198 echo " --list-bsfs show all available bitstream filters"
199 echo " --list-indevs show all available input devices"
200 echo " --list-outdevs show all available output devices"
201 echo " --list-filters show all available filters"
202 echo
203 echo "Developer options (useful when working on FFmpeg itself):"
204 echo " --disable-debug disable debugging symbols"
205 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
206 echo " --enable-gprof enable profiling with gprof [$gprof]"
207 echo " --disable-optimizations disable compiler optimizations"
208 echo " --enable-extra-warnings enable more compiler warnings"
209 echo " --disable-stripping disable stripping of executables and shared libraries"
210 echo ""
211 echo "NOTE: Object files are built at the place where configure is launched."
212 exit 0
213 }
214
215 log(){
216 echo "$@" >> $logfile
217 }
218
219 log_file(){
220 log BEGIN $1
221 pr -n -t $1 >> $logfile
222 log END $1
223 }
224
225 echolog(){
226 log "$@"
227 echo "$@"
228 }
229
230 die(){
231 echolog "$@"
232 cat <<EOF
233 If you think configure made a mistake, make sure you are using the latest
234 version from SVN. If the latest version fails, report the problem to the
235 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
236 EOF
237 if disabled logging; then
238 cat <<EOF
239 Rerun configure with logging enabled (do not use --disable-logging), and
240 include the log this produces with your report.
241 EOF
242 else
243 cat <<EOF
244 Include the log file "$logfile" produced by configure as this will help
245 solving the problem.
246 EOF
247 fi
248 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
249 exit 1
250 }
251
252 # Avoid locale weirdness, besides we really just want to translate ASCII.
253 toupper(){
254 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
255 }
256
257 tolower(){
258 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
259 }
260
261 set_all(){
262 value=$1
263 shift
264 for var in $*; do
265 eval $var=$value
266 done
267 }
268
269 set_weak(){
270 value=$1
271 shift
272 for var; do
273 eval : \${$var:=$value}
274 done
275 }
276
277 pushvar(){
278 for var in $*; do
279 eval level=\${${var}_level:=0}
280 eval ${var}_${level}="\$$var"
281 eval ${var}_level=$(($level+1))
282 done
283 }
284
285 popvar(){
286 for var in $*; do
287 eval level=\${${var}_level:-0}
288 test $level = 0 && continue
289 eval level=$(($level-1))
290 eval $var="\${${var}_${level}}"
291 eval ${var}_level=$level
292 eval unset ${var}_${level}
293 done
294 }
295
296 enable(){
297 set_all yes $*
298 }
299
300 disable(){
301 set_all no $*
302 }
303
304 enable_weak(){
305 set_weak yes $*
306 }
307
308 disable_weak(){
309 set_weak no $*
310 }
311
312 do_enable_deep(){
313 for var; do
314 enabled $var && continue
315 eval sel="\$${var}_select"
316 eval sgs="\$${var}_suggest"
317 pushvar var sgs
318 enable_deep $sel
319 popvar sgs
320 enable_deep_weak $sgs
321 popvar var
322 done
323 }
324
325 enable_deep(){
326 do_enable_deep $*
327 enable $*
328 }
329
330 enable_deep_weak(){
331 do_enable_deep $*
332 enable_weak $*
333 }
334
335 enabled(){
336 test "${1#!}" = "$1" && op== || op=!=
337 eval test "x\$${1#!}" $op "xyes"
338 }
339
340 disabled(){
341 test "${1#!}" = "$1" && op== || op=!=
342 eval test "x\$${1#!}" $op "xno"
343 }
344
345 enabled_all(){
346 for opt; do
347 enabled $opt || return 1
348 done
349 }
350
351 disabled_all(){
352 for opt; do
353 disabled $opt || return 1
354 done
355 }
356
357 enabled_any(){
358 for opt; do
359 enabled $opt && return 0
360 done
361 }
362
363 disabled_any(){
364 for opt; do
365 disabled $opt && return 0
366 done
367 return 1
368 }
369
370 set_default(){
371 for opt; do
372 eval : \${$opt:=\$${opt}_default}
373 done
374 }
375
376 is_in(){
377 value=$1
378 shift
379 for var in $*; do
380 [ $var = $value ] && return 0
381 done
382 return 1
383 }
384
385 check_deps(){
386 for cfg; do
387 cfg="${cfg#!}"
388 enabled ${cfg}_checking && die "Circular dependency for $cfg."
389 disabled ${cfg}_checking && continue
390 enable ${cfg}_checking
391
392 eval dep_all="\$${cfg}_deps"
393 eval dep_any="\$${cfg}_deps_any"
394 eval dep_sel="\$${cfg}_select"
395 eval dep_sgs="\$${cfg}_suggest"
396
397 pushvar cfg dep_all dep_any dep_sel dep_sgs
398 check_deps $dep_all $dep_any $dep_sel $dep_sgs
399 popvar cfg dep_all dep_any dep_sel dep_sgs
400
401 enabled_all $dep_all || disable $cfg
402 enabled_any $dep_any || disable $cfg
403 disabled_any $dep_sel && disable $cfg
404
405 if enabled $cfg; then
406 eval dep_extralibs="\$${cfg}_extralibs"
407 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
408 enable_deep $dep_sel
409 enable_deep_weak $dep_sgs
410 fi
411
412 disable ${cfg}_checking
413 done
414 }
415
416 print_config(){
417 pfx=$1
418 header=$2
419 makefile=$3
420 shift 3
421 for cfg; do
422 ucname="`toupper $cfg`"
423 if enabled $cfg; then
424 echo "#define ${pfx}${ucname} 1" >> $header
425 echo "#define ENABLE_${ucname} 1" >> $header
426 echo "${pfx}${ucname}=yes" >> $makefile
427 else
428 echo "#define ENABLE_${ucname} 0" >> $header
429 fi
430 done
431 }
432
433 flags_saved(){
434 (: ${SAVE_CFLAGS?}) 2> /dev/null
435 }
436
437 save_flags(){
438 flags_saved && return
439 SAVE_CFLAGS="$CFLAGS"
440 SAVE_LDFLAGS="$LDFLAGS"
441 SAVE_extralibs="$extralibs"
442 }
443
444 restore_flags(){
445 flags_saved || return
446 CFLAGS="$SAVE_CFLAGS"
447 LDFLAGS="$SAVE_LDFLAGS"
448 extralibs="$SAVE_extralibs"
449 unset SAVE_CFLAGS
450 unset SAVE_LDFLAGS
451 unset SAVE_extralibs
452 }
453
454 temp_cflags(){
455 save_flags
456 CFLAGS="$CFLAGS $*"
457 }
458
459 temp_ldflags(){
460 save_flags
461 LDFLAGS="$LDFLAGS $*"
462 }
463
464 temp_extralibs(){
465 save_flags
466 extralibs="$extralibs $*"
467 }
468
469 append(){
470 var=$1
471 shift
472 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
473 eval "$var=\"\$$var $*\""
474 }
475
476 add_cflags(){
477 append CFLAGS "$@"
478 }
479
480 add_ldflags(){
481 append LDFLAGS "$@"
482 }
483
484 add_extralibs(){
485 append extralibs "$@"
486 }
487
488 check_cmd(){
489 log "$@"
490 "$@" >> $logfile 2>&1
491 }
492
493 check_cc(){
494 log check_cc "$@"
495 cat > $TMPC
496 log_file $TMPC
497 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
498 }
499
500 check_cpp(){
501 log check_cpp "$@"
502 cat > $TMPC
503 log_file $TMPC
504 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
505 }
506
507 check_asm(){
508 log check_asm "$@"
509 name="$1"
510 asm="$2"
511 shift 2
512 check_cc "$@" <<EOF && enable $name || disable $name
513 int foo(void){ __asm__ volatile($asm); }
514 EOF
515 }
516
517 check_yasm(){
518 log check_yasm "$@"
519 echo "$1" > $TMPS
520 log_file $TMPS
521 shift 1
522 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
523 }
524
525 check_ld(){
526 log check_ld "$@"
527 check_cc || return
528 flags=''
529 libs=''
530 for f; do
531 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
532 done
533 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
534 }
535
536 check_cflags(){
537 log check_cflags "$@"
538 check_cc "$@" <<EOF && add_cflags "$@"
539 int x;
540 EOF
541 }
542
543 check_ldflags(){
544 log check_ldflags "$@"
545 check_ld "$@" <<EOF && add_ldflags "$@"
546 int main(void){ return 0; }
547 EOF
548 }
549
550 check_header(){
551 log check_header "$@"
552 header=$1
553 shift
554 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
555 disable $var
556 check_cpp "$@" <<EOF && enable $var
557 #include <$header>
558 int x;
559 EOF
560 }
561
562 check_func(){
563 log check_func "$@"
564 func=$1
565 shift
566 disable $func
567 check_ld "$@" <<EOF && enable $func
568 extern int $func();
569 int main(void){ $func(); }
570 EOF
571 }
572
573 check_func_headers(){
574 log check_func_headers "$@"
575 headers=$1
576 func=$2
577 shift 2
578 disable $func
579 incs=""
580 for hdr in $headers; do
581 incs="$incs
582 #include <$hdr>"
583 done
584 check_ld "$@" <<EOF && enable $func
585 $incs
586 int main(int argc, char **argv){
587 (void) $func;
588 return 0;
589 }
590 EOF
591 }
592
593 check_cpp_condition(){
594 log check_cpp_condition "$@"
595 header=$1
596 condition=$2
597 check_cpp <<EOF
598 #include <$header>
599 #if !($condition)
600 #error "unsatisfied condition: $condition"
601 #endif
602 EOF
603 }
604
605 check_lib(){
606 log check_lib "$@"
607 header="$1"
608 func="$2"
609 shift 2
610 temp_extralibs "$@"
611 check_header $header && check_func $func && add_extralibs "$@"
612 err=$?
613 restore_flags
614 return $err
615 }
616
617 check_lib2(){
618 log check_lib2 "$@"
619 headers="$1"
620 func="$2"
621 shift 2
622 temp_extralibs "$@"
623 check_func_headers "$headers" $func && add_extralibs "$@"
624 err=$?
625 restore_flags
626 return $err
627 }
628
629 check_exec(){
630 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
631 }
632
633 check_exec_crash(){
634 code=`cat`
635
636 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
637 # are safe but may not be available everywhere. Thus we use
638 # raise(SIGTERM) instead. The check is run in a subshell so we
639 # can redirect the "Terminated" message from the shell. SIGBUS
640 # is not defined by standard C so it is used conditionally.
641
642 (check_exec "$@") >> $logfile 2>&1 <<EOF
643 #include <signal.h>
644 static void sighandler(int sig){
645 raise(SIGTERM);
646 }
647 int main(void){
648 signal(SIGILL, sighandler);
649 signal(SIGFPE, sighandler);
650 signal(SIGSEGV, sighandler);
651 #ifdef SIGBUS
652 signal(SIGBUS, sighandler);
653 #endif
654 { $code }
655 }
656 EOF
657 }
658
659 check_type(){
660 log check_type "$@"
661 headers=$1
662 type=$2
663 shift 2
664 disable $type
665 incs=""
666 for hdr in $headers; do
667 incs="$incs
668 #include <$hdr>"
669 done
670 check_cc "$@" <<EOF && enable $type
671 $incs
672 $type v;
673 EOF
674 }
675
676 require(){
677 name="$1"
678 header="$2"
679 func="$3"
680 shift 3
681 check_lib $header $func "$@" || die "ERROR: $name not found"
682 }
683
684 require2(){
685 name="$1"
686 headers="$2"
687 func="$3"
688 shift 3
689 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
690 }
691
692 check_foo_config(){
693 cfg=$1
694 pkg=$2
695 header=$3
696 func=$4
697 shift 4
698 disable $cfg
699 check_cmd ${pkg}-config --version
700 err=$?
701 if test "$err" = 0; then
702 temp_cflags `${pkg}-config --cflags`
703 temp_extralibs `${pkg}-config --libs`
704 check_lib "$@" $header $func && enable $cfg
705 fi
706 return $err
707 }
708
709 apply(){
710 file=$1
711 shift
712 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
713 }
714
715 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
716 # system-dependent things.
717
718 COMPONENT_LIST="
719 bsfs
720 decoders
721 demuxers
722 encoders
723 filters
724 indevs
725 muxers
726 outdevs
727 parsers
728 protocols
729 "
730
731 CONFIG_LIST="
732 $COMPONENT_LIST
733 aandct
734 avfilter
735 avfilter_lavf
736 avisynth
737 beos_netserver
738 bzlib
739 ffmpeg
740 ffplay
741 ffserver
742 fft
743 golomb
744 gpl
745 gprof
746 gray
747 hardcoded_tables
748 ipv6
749 libamr_nb
750 libamr_wb
751 libdc1394
752 libdirac
753 libfaac
754 libfaad
755 libfaadbin
756 libgsm
757 libmp3lame
758 libnut
759 libschroedinger
760 libspeex
761 libtheora
762 libvorbis
763 libx264
764 libxvid
765 mdct
766 memalign_hack
767 mlib
768 mpegaudio_hp
769 network
770 nonfree
771 postproc
772 powerpc_perf
773 small
774 swscale
775 vhook
776 x11grab
777 zlib
778 "
779
780 THREADS_LIST='
781 beosthreads
782 os2threads
783 pthreads
784 w32threads
785 '
786
787 ARCH_LIST='
788 alpha
789 armv4l
790 bfin
791 ia64
792 m68k
793 mips
794 parisc
795 powerpc
796 s390
797 sh4
798 sparc
799 sparc64
800 x86
801 x86_32
802 x86_64
803 '
804
805 ARCH_EXT_LIST='
806 altivec
807 armv5te
808 armv6
809 armvfp
810 iwmmxt
811 mmi
812 mmx
813 mmx2
814 neon
815 ssse3
816 vis
817 '
818
819 HAVE_LIST="
820 $ARCH_EXT_LIST
821 $THREADS_LIST
822 altivec_h
823 arpa_inet_h
824 bswap
825 closesocket
826 cmov
827 conio_h
828 dcbzl
829 dev_bktr_ioctl_bt848_h
830 dev_bktr_ioctl_meteor_h
831 dev_ic_bt8xx_h
832 dev_video_meteor_ioctl_meteor_h
833 dev_video_bktr_ioctl_bt848_h
834 dlfcn_h
835 dlopen
836 dos_paths
837 ebp_available
838 ebx_available
839 fast_64bit
840 fast_cmov
841 fast_unaligned
842 fork
843 freetype2
844 gethrtime
845 GetProcessTimes
846 getrusage
847 imlib2
848 inet_aton
849 inline_asm
850 libdc1394_1
851 libdc1394_2
852 llrint
853 lrint
854 lrintf
855 machine_ioctl_bt848_h
856 machine_ioctl_meteor_h
857 malloc_h
858 memalign
859 mkstemp
860 pld
861 ppc64
862 round
863 roundf
864 sdl
865 sdl_video_size
866 socklen_t
867 soundcard_h
868 poll_h
869 sys_mman_h
870 sys_resource_h
871 sys_select_h
872 sys_soundcard_h
873 sys_videoio_h
874 termios_h
875 threads
876 winsock2_h
877 yasm
878 "
879
880 # options emitted with CONFIG_ prefix but not available on command line
881 CONFIG_EXTRA="
882 fft_mmx
883 oldscaler
884 "
885
886 CMDLINE_SELECT="
887 $ARCH_EXT_LIST
888 $CONFIG_LIST
889 $THREADS_LIST
890 cross_compile
891 debug
892 extra_warnings
893 logging
894 optimizations
895 shared
896 static
897 stripping
898 "
899
900 PATHS_LIST='
901 bindir
902 incdir
903 libdir
904 mandir
905 prefix
906 shlibdir
907 '
908
909 CMDLINE_SET="
910 $PATHS_LIST
911 arch
912 build_suffix
913 cc
914 cpu
915 cross_prefix
916 extra_version
917 host_cc
918 host_cflags
919 host_ldflags
920 host_libs
921 logfile
922 source_path
923 target_exec
924 target_os
925 target_path
926 "
927
928 # code dependency declarations
929
930 # architecture extensions
931 altivec_deps="powerpc"
932 armv5te_deps="armv4l"
933 armv6_deps="armv4l"
934 armvfp_deps="armv4l"
935 iwmmxt_deps="armv4l"
936 mmi_deps="mips"
937 mmx_deps="x86"
938 mmx2_deps="x86 mmx"
939 neon_deps="armv4l"
940 ssse3_deps="x86"
941 vis_deps="sparc"
942
943 # common features
944 fft_suggest="fft_mmx"
945 fft_mmx_deps="mmx yasm"
946 oldscaler_deps="!swscale"
947
948 # decoders / encoders
949 aac_decoder_select="fft mdct"
950 ac3_decoder_deps="gpl"
951 ac3_decoder_select="fft mdct"
952 atrac3_decoder_select="fft mdct"
953 cavs_decoder_select="golomb"
954 cook_decoder_select="fft mdct"
955 cscd_decoder_suggest="zlib"
956 dca_decoder_select="fft mdct"
957 dnxhd_encoder_select="aandct"
958 dxa_decoder_select="zlib"
959 eac3_decoder_deps="gpl"
960 eac3_decoder_select="fft mdct"
961 eatgq_decoder_select="aandct"
962 ffv1_decoder_select="golomb"
963 flac_decoder_select="golomb"
964 flac_encoder_select="golomb"
965 flashsv_decoder_select="zlib"
966 flashsv_encoder_select="zlib"
967 flv_encoder_select="aandct"
968 h261_encoder_select="aandct"
969 h263_encoder_select="aandct"
970 h263p_encoder_select="aandct"
971 h264_decoder_select="golomb"
972 imc_decoder_select="fft mdct"
973 jpegls_decoder_select="golomb"
974 jpegls_encoder_select="golomb"
975 ljpeg_encoder_select="aandct"
976 loco_decoder_select="golomb"
977 mjpeg_encoder_select="aandct"
978 mpeg1video_encoder_select="aandct"
979 mpeg2video_encoder_select="aandct"
980 mpeg4_encoder_select="aandct"
981 msmpeg4v1_encoder_select="aandct"
982 msmpeg4v2_encoder_select="aandct"
983 msmpeg4v3_encoder_select="aandct"
984 mpeg_xvmc_decoder_deps="xvmc"
985 nellymoser_decoder_select="fft mdct"
986 nellymoser_encoder_select="fft mdct"
987 png_decoder_select="zlib"
988 png_encoder_select="zlib"
989 qdm2_decoder_select="fft mdct"
990 rv10_encoder_select="aandct"
991 rv20_encoder_select="aandct"
992 shorten_decoder_select="golomb"
993 sonic_decoder_select="golomb"
994 sonic_encoder_select="golomb"
995 sonic_ls_encoder_select="golomb"
996 svq3_decoder_select="golomb"
997 svq3_decoder_suggest="zlib"
998 tiff_decoder_suggest="zlib"
999 tiff_encoder_suggest="zlib"
1000 tscc_decoder_select="zlib"
1001 vorbis_decoder_select="fft mdct"
1002 vorbis_encoder_select="fft mdct"
1003 wmav1_decoder_select="fft mdct"
1004 wmav1_encoder_select="fft mdct"
1005 wmav2_decoder_select="fft mdct"
1006 wmav2_encoder_select="fft mdct"
1007 wmv1_encoder_select="aandct"
1008 wmv2_encoder_select="aandct"
1009 zlib_decoder_select="zlib"
1010 zlib_encoder_select="zlib"
1011 zmbv_decoder_select="zlib"
1012 zmbv_encoder_select="zlib"
1013
1014 # external libraries
1015 libamr_nb_decoder_deps="libamr_nb"
1016 libamr_nb_encoder_deps="libamr_nb"
1017 libamr_wb_decoder_deps="libamr_wb"
1018 libamr_wb_encoder_deps="libamr_wb"
1019 libdirac_decoder_deps="libdirac !libschroedinger"
1020 libdirac_encoder_deps="libdirac"
1021 libfaac_encoder_deps="libfaac"
1022 libfaad_decoder_deps="libfaad"
1023 libfaadbin_decoder_extralibs='$ldl'
1024 libgsm_decoder_deps="libgsm"
1025 libgsm_encoder_deps="libgsm"
1026 libgsm_ms_decoder_deps="libgsm"
1027 libgsm_ms_encoder_deps="libgsm"
1028 libmp3lame_encoder_deps="libmp3lame"
1029 libschroedinger_decoder_deps="libschroedinger"
1030 libschroedinger_encoder_deps="libschroedinger"
1031 libspeex_decoder_deps="libspeex"
1032 libtheora_encoder_deps="libtheora"
1033 libvorbis_encoder_deps="libvorbis"
1034 libx264_encoder_deps="libx264"
1035 libxvid_encoder_deps="libxvid"
1036 mpeg4aac_decoder_deps="libfaad"
1037
1038 # demuxers / muxers
1039 ac3_demuxer_deps="ac3_parser"
1040 audio_beos_demuxer_deps="audio_beos"
1041 audio_beos_demuxer_extralibs="-lmedia -lbe"
1042 audio_beos_muxer_deps="audio_beos"
1043 audio_beos_muxer_extralibs="-lmedia -lbe"
1044 avisynth_demuxer_deps="avisynth"
1045 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1046 dirac_demuxer_deps="dirac_parser"
1047 dv1394_demuxer_deps="dv1394 dv_demuxer"
1048 libdc1394_demuxer_deps="libdc1394"
1049 libnut_demuxer_deps="libnut"
1050 libnut_muxer_deps="libnut"
1051 matroska_demuxer_suggest="zlib bzlib"
1052 mov_demuxer_suggest="zlib"
1053 mp3_demuxer_deps="mpegaudio_parser"
1054 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1055 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1056 redir_demuxer_deps="network"
1057 rtp_muxer_deps="network rtp_protocol"
1058 rtsp_demuxer_deps="sdp_demuxer"
1059 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1060 v4l_demuxer_deps="linux_videodev_h"
1061 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1062 vfwcap_demuxer_deps="capCreateCaptureWindow"
1063 vfwcap_demuxer_extralibs="-lvfw32"
1064 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1065 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1066
1067 # protocols
1068 http_protocol_deps="network"
1069 rtp_protocol_deps="udp_protocol"
1070 tcp_protocol_deps="network"
1071 udp_protocol_deps="network"
1072
1073 # filters
1074 movie_filter_deps="avfilter_lavf"
1075
1076 # programs
1077 ffplay_deps="sdl"
1078 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1079 ffserver_extralibs='$ldl'
1080 vhook_extralibs='$ldl'
1081
1082
1083 # default parameters
1084
1085 logfile="config.err"
1086
1087 # installation paths
1088 prefix_default="/usr/local"
1089 bindir_default='${prefix}/bin'
1090 incdir_default='${prefix}/include'
1091 libdir_default='${prefix}/lib'
1092 mandir_default='${prefix}/share/man'
1093 shlibdir_default="$libdir_default"
1094
1095 # toolchain
1096 cc_default="gcc"
1097 host_cc_default="gcc"
1098 yasmexe="yasm"
1099 ar="ar"
1100 nm="nm"
1101 ranlib="ranlib"
1102 strip="strip"
1103 ln_s="ln -sf"
1104 objformat="elf"
1105
1106 # machine
1107 arch=`uname -m`
1108 cpu="generic"
1109
1110 # OS
1111 target_os=$(tolower $(uname -s))
1112
1113 # configurable options
1114 enable debug
1115 enable ffmpeg
1116 enable ffplay
1117 enable ffserver
1118 enable ipv6
1119 enable mpegaudio_hp
1120 enable network
1121 enable oldscaler
1122 enable optimizations
1123 enable protocols
1124 enable static
1125 enable stripping
1126 vhook="default"
1127
1128 # build settings
1129 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1130 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1131 VHOOKSHFLAGS='$(SHFLAGS)'
1132 FFSERVERLDFLAGS=-Wl,-E
1133 LIBPREF="lib"
1134 LIBSUF=".a"
1135 FULLNAME='$(NAME)$(BUILDSUF)'
1136 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1137 SLIBPREF="lib"
1138 SLIBSUF=".so"
1139 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1140 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1141 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1142 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1143
1144 host_cflags='-O3 -g -Wall'
1145 host_libs='-lm'
1146
1147 target_path='.'
1148
1149 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1150 # full relative path for objects in subdirectories for non-recursive Make.
1151 DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1152
1153 # find source path
1154 source_path="`dirname \"$0\"`"
1155 enable source_path_used
1156 if test -z "$source_path" -o "$source_path" = "." ; then
1157 source_path="`pwd`"
1158 disable source_path_used
1159 else
1160 source_path="`cd \"$source_path\"; pwd`"
1161 echo "$source_path" | grep -q '[[:blank:]]' &&
1162 die "Out of tree builds are impossible with whitespace in source path."
1163 fi
1164
1165 FFMPEG_CONFIGURATION="$@"
1166
1167 find_things(){
1168 thing=$1
1169 pattern=$2
1170 file=$source_path/$3
1171 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1172 }
1173
1174 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1175 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1176 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1177 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1178 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1179 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1180 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1181 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1182 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1183 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1184
1185 enable $ARCH_EXT_LIST \
1186 $DECODER_LIST \
1187 $ENCODER_LIST \
1188 $PARSER_LIST \
1189 $BSF_LIST \
1190 $DEMUXER_LIST \
1191 $MUXER_LIST \
1192 $FILTER_LIST \
1193 $PROTOCOL_LIST \
1194 $INDEV_LIST \
1195 $OUTDEV_LIST \
1196
1197 die_unknown(){
1198 echo "Unknown option \"$1\"."
1199 echo "See $0 --help for available options."
1200 exit 1
1201 }
1202
1203 show_list() {
1204 suffix=_$1
1205 shift
1206 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1207 exit 0
1208 }
1209
1210 for opt do
1211 optval="${opt#*=}"
1212 case "$opt" in
1213 --extra-cflags=*) add_cflags "$optval"
1214 ;;
1215 --extra-ldflags=*) add_ldflags "$optval"
1216 ;;
1217 --extra-libs=*) add_extralibs "$optval"
1218 ;;
1219 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1220 ;;
1221 --enable-debug=*) debuglevel="$optval"
1222 ;;
1223 --enable-*=*|--disable-*=*)
1224 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1225 case "$thing" in
1226 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1227 *) die_unknown "$opt" ;;
1228 esac
1229 ;;
1230 --enable-?*|--disable-?*)
1231 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1232 if is_in $option $COMPONENT_LIST; then
1233 eval $action \$$(toupper ${option%s})_LIST
1234 elif is_in $option $CMDLINE_SELECT; then
1235 $action $option
1236 else
1237 die_unknown $opt
1238 fi
1239 ;;
1240 --list-*)
1241 NAME="${opt#--list-}"
1242 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1243 NAME=${NAME%s}
1244 eval show_list $NAME \$$(toupper $NAME)_LIST
1245 ;;
1246 --help|-h) show_help
1247 ;;
1248 *)
1249 optname="${opt%%=*}"
1250 optname="${optname#--}"
1251 optname=$(echo "$optname" | sed 's/-/_/g')
1252 is_in $optname $CMDLINE_SET || die_unknown $opt
1253 eval $optname='$optval'
1254 ;;
1255 esac
1256 done
1257
1258 disabled logging && logfile=/dev/null
1259
1260 echo "# $0 $@" > $logfile
1261 set >> $logfile
1262
1263 test -n "$cross_prefix" && enable cross_compile
1264
1265 cc_default="${cross_prefix}${cc_default}"
1266 yasmexe="${cross_prefix}${yasmexe}"
1267 ar="${cross_prefix}${ar}"
1268 nm="${cross_prefix}${nm}"
1269 ranlib="${cross_prefix}${ranlib}"
1270 strip="${cross_prefix}${strip}"
1271
1272 set_default cc
1273 enabled cross_compile || host_cc_default=$cc
1274 set_default host_cc
1275
1276 # set temporary file name
1277 if test ! -z "$TMPDIR" ; then
1278 TMPDIR1="${TMPDIR}"
1279 elif test ! -z "$TEMPDIR" ; then
1280 TMPDIR1="${TEMPDIR}"
1281 else
1282 TMPDIR1="/tmp"
1283 fi
1284
1285 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1286 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1287 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1288 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1289 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1290 TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1291
1292 check_cflags -std=c99
1293
1294 case "$arch" in
1295 i386|i486|i586|i686|i86pc|BePC)
1296 arch="x86_32"
1297 enable fast_unaligned
1298 ;;
1299 x86_64|amd64)
1300 arch="x86_32"
1301 enable cmov
1302 enable fast_cmov
1303 enable fast_unaligned
1304 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1305 int test[sizeof(char*) - 7];
1306 EOF
1307 ;;
1308 # armv4l is a subset of armv[567]*l
1309 arm|armv[4567]*l)
1310 arch="armv4l"
1311 ;;
1312 alpha)
1313 arch="alpha"
1314 enable fast_64bit
1315 ;;
1316 "Power Macintosh"|ppc|powerpc)
1317 arch="powerpc"
1318 enable fast_unaligned
1319 ;;
1320 ppc64)
1321 arch="powerpc"
1322 enable fast_64bit
1323 enable fast_unaligned
1324 ;;
1325 mips|mipsel|IP*)
1326 arch="mips"
1327 ;;
1328 sun4u|sparc64)
1329 arch="sparc64"
1330 enable fast_64bit
1331 ;;
1332 sparc)
1333 arch="sparc"
1334 ;;
1335 sh4)
1336 arch="sh4"
1337 ;;
1338 parisc)
1339 arch="parisc"
1340 ;;
1341 parisc64)
1342 arch="parisc"
1343 enable fast_64bit
1344 ;;
1345 s390|s390x)
1346 arch="s390"
1347 ;;
1348 m68k)
1349 arch="m68k"
1350 ;;
1351 ia64)
1352 arch="ia64"
1353 enable fast_64bit
1354 ;;
1355 bfin)
1356 arch="bfin"
1357 ;;
1358 *)
1359 arch="unknown"
1360 ;;
1361 esac
1362
1363 enable $arch
1364 enabled_any x86_32 x86_64 && enable x86
1365 enabled sparc64 && enable sparc
1366
1367 # OS specific
1368 case $target_os in
1369 beos|haiku|zeta)
1370 prefix_default="$HOME/config"
1371 # helps building libavcodec
1372 add_cflags "-DPIC -fomit-frame-pointer"
1373 # 3 gcc releases known for BeOS, each with ugly bugs
1374 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1375 case "$gcc_version" in
1376 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1377 disable mmx
1378 ;;
1379 *20010315*) echo "BeBits gcc"
1380 add_cflags "-fno-expensive-optimizations"
1381 ;;
1382 esac
1383 SHFLAGS=-nostart
1384 # enable BeOS things
1385 enable audio_beos
1386 # no need for libm, but the inet stuff
1387 # Check for BONE
1388 # XXX: actually should check for NOT net_server
1389 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1390 network_extralibs="-lbind -lsocket"
1391 else
1392 enable beos_netserver
1393 network_extralibs="-lnet"
1394 fi ;;
1395 sunos)
1396 FFSERVERLDFLAGS=""
1397 SHFLAGS='-shared -Wl,-h,$$(@F)'
1398 network_extralibs="-lsocket -lnsl"
1399 ;;
1400 netbsd)
1401 oss_demuxer_extralibs="-lossaudio"
1402 oss_muxer_extralibs="-lossaudio"
1403 ;;
1404 openbsd)
1405 disable need_memalign
1406 LIBOBJFLAGS='$(PIC)'
1407 SHFLAGS='-shared'
1408 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1409 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1410 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1411 oss_demuxer_extralibs="-lossaudio"
1412 oss_muxer_extralibs="-lossaudio"
1413 ;;
1414 freebsd)
1415 disable need_memalign
1416 ;;
1417 bsd/os)
1418 osextralibs="-lpoll -lgnugetopt"
1419 strip="strip -d"
1420 ;;
1421 darwin)
1422 disable need_memalign
1423 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1424 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1425 strip="strip -x"
1426 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1427 SLIBSUF=".dylib"
1428 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1429 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1430 FFSERVERLDFLAGS=-Wl,-bind_at_load
1431 objformat="macho"
1432 enabled x86_64 && objformat="macho64"
1433 ;;
1434 mingw32*)
1435 target_os=mingw32
1436 LIBTARGET=i386
1437 if test $arch = x86_64; then
1438 disable need_memalign
1439 LIBTARGET=x64
1440 fi
1441 shlibdir_default="$bindir_default"
1442 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1443 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1444 if enabled swscale; then
1445 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1446 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1447 fi
1448 disable ffserver
1449 SLIBPREF=""
1450 SLIBSUF=".dll"
1451 EXESUF=".exe"
1452 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1453 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1454 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1455 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1456 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1457 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1458 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1459 objformat="win32"
1460 enable dos_paths
1461 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1462 die "ERROR: MinGW runtime version must be >= 3.15."
1463 enabled_any avisynth vfwcap_demuxer &&
1464 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1465 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1466 ;;
1467 cygwin*)
1468 target_os=cygwin
1469 shlibdir_default="$bindir_default"
1470 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1471 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1472 if enabled swscale; then
1473 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1474 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1475 fi
1476 EXESUF=".exe"
1477 SLIBPREF="cyg"
1478 SLIBSUF=".dll"
1479 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1480 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1481 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1482 objformat="win32"
1483 enable dos_paths
1484 ;;
1485 *-dos|freedos|opendos)
1486 disable ffplay ffserver vhook
1487 disable $INDEV_LIST $OUTDEV_LIST
1488 network_extralibs="-lsocket"
1489 EXESUF=".exe"
1490 objformat="win32"
1491 enable dos_paths
1492 ;;
1493 linux)
1494 enable dv1394
1495 ;;
1496 irix*)
1497 target_os=irix
1498 ranlib="echo ignoring ranlib"
1499 ;;
1500 os/2*)
1501 strip="lxlite"
1502 ln_s="cp -f"
1503 EXESUF=".exe"
1504 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1505 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1506 FFSERVERLDFLAGS=""
1507 LIBSUF="_s.a"
1508 SLIBPREF=""
1509 SLIBSUF=".dll"
1510 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1511 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1512 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1513 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1514 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1515 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1516 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1517 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1518 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1519 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1520 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1521 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1522 disable vhook
1523 enable dos_paths
1524 ;;
1525 interix)
1526 disable vhook
1527 ;;
1528
1529 *)
1530 target_os="${target_os}-UNKNOWN"
1531 ;;
1532 esac
1533
1534 set_default $PATHS_LIST
1535
1536 add_extralibs $osextralibs
1537
1538 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1539 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1540
1541 # we need to build at least one lib type
1542 if ! enabled_any static shared; then
1543 cat <<EOF
1544 At least one library type must be built.
1545 Specify --enable-static to build the static libraries or --enable-shared to
1546 build the shared libraries as well. To only build the shared libraries specify
1547 --disable-static in addition to --enable-shared.
1548 EOF
1549 exit 1;
1550 fi
1551
1552 disabled static && LIBNAME=""
1553
1554 if enabled_any libfaad libfaadbin ; then
1555 if check_header faad.h; then
1556 check_cc <<EOF
1557 #include <faad.h>
1558 #ifndef FAAD2_VERSION
1559 ok faad1
1560 #endif
1561 int main(void) { return 0; }
1562 EOF
1563 test $? = 0 && enable libfaad2
1564 else
1565 die "FAAD test failed."
1566 fi
1567 fi
1568
1569
1570 if ! enabled gpl; then
1571 die_gpl_disabled(){
1572 name=$1
1573 shift
1574 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1575 }
1576 die_gpl_disabled "The Postprocessing code" postproc
1577 die_gpl_disabled "libx264" libx264
1578 die_gpl_disabled "libxvidcore" libxvid
1579 die_gpl_disabled "FAAD2" libfaad2
1580 die_gpl_disabled "The X11 grabber" x11grab
1581 die_gpl_disabled "The software scaler" swscale
1582 fi
1583
1584 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1585 die "libamr is nonfree and --enable-nonfree is not specified."
1586 fi
1587
1588 check_deps $ARCH_EXT_LIST
1589
1590 test -z "$need_memalign" && need_memalign="$mmx"
1591
1592 #Darwin CC versions
1593 if test $target_os = darwin; then
1594 if $cc -v 2>&1 | grep -q xlc; then
1595 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1596 else
1597 add_cflags "-pipe"
1598 check_cflags "-force_cpusubtype_ALL"
1599 check_cflags "-Wno-sign-compare"
1600 enabled shared || check_cflags -mdynamic-no-pic
1601 fi
1602 fi
1603
1604 disabled optimizations || check_cflags -fomit-frame-pointer
1605
1606 # Add processor-specific flags
1607 if test $cpu != "generic"; then
1608 warn_altivec(){
1609 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1610 }
1611 case $cpu in
1612 601|ppc601|PowerPC601)
1613 add_cflags "-mcpu=601"
1614 warn_altivec enabled PPC601
1615 ;;
1616 603*|ppc603*|PowerPC603*)
1617 add_cflags "-mcpu=603"
1618 warn_altivec enabled PPC603
1619 ;;
1620 604*|ppc604*|PowerPC604*)
1621 add_cflags "-mcpu=604"
1622 warn_altivec enabled PPC604
1623 ;;
1624 G3|g3|75*|ppc75*|PowerPC75*)
1625 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1626 warn_altivec enabled PPC75x
1627 ;;
1628 G4|g4|745*|ppc745*|PowerPC745*)
1629 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1630 warn_altivec disabled PPC745x
1631 ;;
1632 74*|ppc74*|PowerPC74*)
1633 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1634 warn_altivec disabled PPC74xx
1635 ;;
1636 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1637 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1638 warn_altivec disabled PPC970
1639 enable ppc64
1640 ;;
1641 Cell|CELL|cell)
1642 add_cflags "-mcpu=cell"
1643 warn_altivec disabled Cell
1644 enable ppc64
1645 ;;
1646 # targets that do NOT support conditional mov (cmov)
1647 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1648 add_cflags "-march=$cpu"
1649 disable cmov
1650 ;;
1651 # targets that do support conditional mov (cmov)
1652 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1653 add_cflags "-march=$cpu"
1654 enable cmov
1655 enable fast_cmov
1656 ;;
1657 # targets that do support conditional mov but on which it's slow
1658 pentium4|pentium4m|prescott|nocona)
1659 add_cflags "-march=$cpu"
1660 enable cmov
1661 disable fast_cmov
1662 ;;
1663 sparc64)
1664 add_cflags "-mcpu=v9"
1665 ;;
1666 arm11*|cortex*)
1667 add_cflags "-mcpu=$cpu"
1668 enable fast_unaligned
1669 ;;
1670 armv*)
1671 add_cflags "-march=$cpu"
1672 ;;
1673 arm*)
1674 add_cflags "-mcpu=$cpu"
1675 ;;
1676 *)
1677 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1678 ;;
1679 esac
1680 fi
1681
1682 # make sure we can execute files in $TMPDIR
1683 cat > $TMPSH 2>> $logfile <<EOF
1684 #! /bin/sh
1685 EOF
1686 chmod +x $TMPSH >> $logfile 2>&1
1687 if ! $TMPSH >> $logfile 2>&1; then
1688 cat <<EOF
1689 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1690 variable to another directory and make sure that $TMPDIR1 is not mounted
1691 noexec.
1692 EOF
1693 die "Sanity test failed."
1694 fi
1695 rm $TMPSH
1696
1697 # compiler sanity check
1698 check_exec <<EOF
1699 int main(void){ return 0; }
1700 EOF
1701 if test "$?" != 0; then
1702 echo "$cc is unable to create an executable file."
1703 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1704 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1705 echo "Only do this if you know what cross compiling means."
1706 fi
1707 die "C compiler test failed."
1708 fi
1709
1710 check_cc <<EOF || die "Symbol mangling check failed."
1711 int ff_extern;
1712 EOF
1713 sym=$($nm -P -g $TMPO | grep ff_extern)
1714 extern_prefix=${sym%%ff_extern*}
1715
1716 check_asm inline_asm '""'
1717
1718 if enabled x86; then
1719 # check whether EBP is available on x86
1720 # As 'i' is stored on the stack, this program will crash
1721 # if the base pointer is used to access it because the
1722 # base pointer is cleared in the inline assembly code.
1723 check_exec_crash <<EOF && enable ebp_available
1724 volatile int i=0;
1725 __asm__ volatile (
1726 "xorl %%ebp, %%ebp"
1727 ::: "%ebp");
1728 return i;
1729 EOF
1730
1731 # check wether EBX is available on x86
1732 check_asm ebx_available '"":::"%ebx"'
1733
1734 # check whether binutils is new enough to compile SSSE3/MMX2
1735 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1736 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1737
1738 check_asm bswap '"bswap %%eax" ::: "%eax"'
1739
1740 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1741 enabled x86_64 && append YASMFLAGS "-m amd64"
1742 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1743 case "$objformat" in
1744 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1745 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1746 *) append YASMFLAGS "-DPREFIX" ;;
1747 esac
1748 check_yasm "pabsw xmm0, xmm0" && enable yasm
1749 fi
1750
1751 # check for assembler specific support
1752
1753 if test $arch = "powerpc"; then
1754 check_asm dcbzl '"dcbzl 0, 1"'
1755 fi
1756
1757 # check for SIMD availability
1758
1759 # AltiVec flags: The FSF version of GCC differs from the Apple version
1760 if enabled altivec; then
1761 check_cflags -maltivec -mabi=altivec &&
1762 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1763 check_cflags -faltivec
1764
1765 # check if our compiler supports Motorola AltiVec C API
1766 check_cc <<EOF || disable altivec
1767 $inc_altivec_h
1768 int main(void) {
1769 vector signed int v1, v2, v3;
1770 v1 = vec_add(v2,v3);
1771 return 0;
1772 }
1773 EOF
1774
1775 # check if our compiler supports braces for vector declarations
1776 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1777 $inc_altivec_h
1778 int main (void) { (vector int) {1}; return 0; }
1779 EOF
1780 fi
1781
1782 # We have to check if pld is a nop and disable it.
1783 enabled armv4l && check_asm pld '"pld [r0]"'
1784 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1785 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1786 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1787 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1788 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1789 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1790 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1791
1792 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1793
1794 # ---
1795 # big/little-endian test
1796 check_cc <<EOF || die "endian test failed"
1797 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1798 EOF
1799 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1800
1801 # ---
1802 # check availability of some header files
1803
1804 if check_func dlopen; then
1805 ldl=
1806 elif check_func dlopen -ldl; then
1807 ldl=-ldl
1808 fi
1809
1810 check_func fork
1811 check_func gethrtime
1812 check_func getrusage
1813 check_func inet_aton $network_extralibs
1814 check_func memalign
1815 check_func mkstemp
1816 check_func_headers windows.h GetProcessTimes
1817
1818 check_header conio.h
1819 check_header dlfcn.h
1820 check_header malloc.h
1821 check_header poll.h
1822 check_header sys/mman.h
1823 check_header sys/resource.h
1824 check_header sys/select.h
1825 check_header termios.h
1826
1827 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1828 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1829 fi
1830
1831 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1832 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1833
1834 # check for some common methods of building with pthread support
1835 # do this before the optional library checks as some of them require pthreads
1836 if enabled pthreads; then
1837 if check_func pthread_create; then
1838 :
1839 elif check_func pthread_create -pthread; then
1840 add_cflags -pthread
1841 add_extralibs -pthread
1842 elif check_func pthread_create -pthreads; then
1843 add_cflags -pthreads
1844 add_extralibs -pthreads
1845 elif check_func pthread_create -lpthreadGC2; then
1846 add_extralibs -lpthreadGC2
1847 elif ! check_lib pthread.h pthread_create -lpthread; then
1848 die "ERROR: can't find pthreads library"
1849 fi
1850 fi
1851
1852 for thread in $THREADS_LIST; do
1853 if enabled $thread; then
1854 test -n "$thread_type" &&
1855 die "ERROR: Only one thread type must be selected." ||
1856 thread_type="$thread"
1857 fi
1858 done
1859
1860 check_lib math.h sin -lm
1861
1862 # test for C99 functions in math.h
1863 for func in llrint lrint lrintf round roundf; do
1864 check_exec <<EOF && enable $func || disable $func
1865 #include <math.h>
1866 int main(void) { return ($func(3.999f) > 0)?0:1; }
1867 EOF
1868 done
1869
1870 # these are off by default, so fail if requested and not available
1871 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1872 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1873 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1874 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1875 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1876 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1877 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1878 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1879 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1880 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1881 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1882 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1883 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1884 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1885 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1886 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1887 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1888 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1889 die "ERROR: libx264 version must be >= 0.65."; }
1890 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1891 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1892
1893 # libdc1394 check
1894 if enabled libdc1394; then
1895 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1896 enable libdc1394_2; } ||
1897 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1898 enable libdc1394_1; } ||
1899 die "ERROR: No version of libdc1394 found "
1900 fi
1901
1902
1903 _restrict=
1904 for restrict_keyword in restrict __restrict__ __restrict; do
1905 check_cc <<EOF && _restrict=$restrict_keyword && break
1906 void foo(char * $restrict_keyword p);
1907 EOF
1908 done
1909
1910 test "$vhook" = "default" && vhook="$dlopen"
1911
1912 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1913 disable vhook
1914 echo
1915 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1916 echo "Patches welcome."
1917 echo
1918 fi
1919
1920 if enabled vhook; then
1921 check_ldflags -rdynamic
1922 check_ldflags -export-dynamic
1923 fi
1924
1925 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1926 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1927
1928 ##########################################
1929 # SDL check
1930
1931 disable sdl_too_old
1932 disable sdl
1933 SDL_CONFIG="${cross_prefix}sdl-config"
1934 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1935 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1936 temp_cflags $sdl_cflags
1937 temp_extralibs `"${SDL_CONFIG}" --libs`
1938 if check_lib2 SDL.h SDL_Init; then
1939 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1940 if test "$_sdlversion" -lt 121 ; then
1941 enable sdl_too_old
1942 else
1943 enable sdl
1944 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1945 #include <SDL.h>
1946 int main(int argc, char **argv){
1947 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1948 int w = vi->current_w;
1949 return 0;
1950 }
1951 EOF
1952 fi
1953 fi
1954 restore_flags
1955 fi
1956
1957 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1958
1959 ##########################################
1960 # Network check
1961
1962 if enabled network; then
1963 check_type sys/socket.h socklen_t
1964 # Prefer arpa/inet.h over winsock2
1965 if check_header arpa/inet.h ; then
1966 check_func closesocket
1967 elif check_header winsock2.h ; then
1968 network_extralibs="-lws2_32"
1969 check_type ws2tcpip.h socklen_t
1970 check_func_headers winsock2.h closesocket
1971 fi
1972 fi
1973
1974 ##########################################
1975 # IPv6 check
1976
1977 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1978 #include <sys/types.h>
1979 #include <sys/socket.h>
1980 #include <netinet/in.h>
1981 #include <netdb.h>
1982 int main(void) {
1983 struct sockaddr_storage saddr;
1984 struct ipv6_mreq mreq6;
1985 getaddrinfo(0,0,0,0);
1986 getnameinfo(0,0,0,0,0,0,0);
1987 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1988 }
1989 EOF
1990
1991 check_header linux/videodev.h
1992 check_header linux/videodev2.h
1993 check_header sys/videoio.h
1994
1995 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1996
1997 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1998 { check_header dev/bktr/ioctl_meteor.h &&
1999 check_header dev/bktr/ioctl_bt848.h; } ||
2000 { check_header machine/ioctl_meteor.h &&
2001 check_header machine/ioctl_bt848.h; } ||
2002 { check_header dev/video/meteor/ioctl_meteor.h &&
2003 check_header dev/video/bktr/ioctl_bt848.h; } ||
2004 check_header dev/ic/bt8xx.h
2005
2006 check_header sys/soundcard.h
2007 check_header soundcard.h
2008
2009 # deal with the X11 frame grabber
2010 enabled x11grab &&
2011 check_header X11/Xlib.h &&
2012 check_header X11/extensions/XShm.h &&
2013 check_func XOpenDisplay -lX11 &&
2014 check_func XShmCreateImage -lX11 -lXext
2015
2016 enabled debug && add_cflags -g"$debuglevel"
2017
2018 # add some useful compiler flags if supported
2019 check_cflags -Wdeclaration-after-statement
2020 check_cflags -Wall
2021 check_cflags -Wno-switch
2022 check_cflags -Wdisabled-optimization
2023 check_cflags -Wpointer-arith
2024 check_cflags -Wredundant-decls
2025 check_cflags -Wno-pointer-sign
2026 check_cflags -Wcast-qual
2027 check_cflags -Wwrite-strings
2028 check_cflags -Wtype-limits
2029 enabled extra_warnings && check_cflags -Winline
2030
2031 # add some linker flags
2032 check_ldflags -Wl,--warn-common
2033 check_ldflags -Wl,--as-needed
2034 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2035 check_ldflags -Wl,-Bsymbolic
2036
2037 if enabled small; then
2038 check_cflags -Os # not all compilers support -Os
2039 optimizations="small"
2040 elif enabled optimizations; then
2041 if $cc -v 2>&1 | grep -q xlc; then
2042 add_cflags "-O5"
2043 add_ldflags "-O5"
2044 else
2045 add_cflags "-O3"
2046 fi
2047 fi
2048 check_cflags -fno-math-errno
2049 check_cflags -fno-signed-zeros
2050
2051 # add some flags for Intel C Compiler
2052 if $cc --version 2> /dev/null | grep -q Intel; then
2053 # Just warnings, no remarks
2054 check_cflags -w1
2055 # -wd: Disable following warnings
2056 # 144, 167, 556: -Wno-pointer-sign
2057 # 10006: ignoring unknown option -fno-signed-zeros
2058 # 10156: ignoring option '-W'; no argument required
2059 check_cflags -wd144,167,556,10006,10156
2060 # 11030: Warning unknown option --as-needed
2061 # 10156: ignoring option '-export'; no argument required
2062 check_ldflags -wd10156,11030
2063 # Allow to compile with optimizations
2064 check_ldflags -march=$cpu
2065 fi
2066
2067 # PIC flags for shared library objects where they are needed
2068 if enabled shared; then
2069 # LIBOBJFLAGS may have already been set in the OS configuration
2070 if test -z "$LIBOBJFLAGS" ; then
2071 case "$arch" in
2072 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2073 esac
2074 fi
2075 fi
2076
2077 if enabled gprof; then
2078 add_cflags "-p"
2079 add_ldflags "-p"
2080 fi
2081
2082 VHOOKCFLAGS="-fPIC"
2083
2084 # Find out if the .align argument is a power of two or not.
2085 check_asm asmalign_pot '".align 3"'
2086
2087 enabled_any $DECODER_LIST && enable decoders
2088 enabled_any $ENCODER_LIST && enable encoders
2089 enabled_any $BSF_LIST && enable bsfs
2090 enabled_any $DEMUXER_LIST && enable demuxers
2091 enabled_any $MUXER_LIST && enable muxers
2092 enabled_any $FILTER_LIST && enable filters
2093 enabled_any $INDEV_LIST && enable demuxers
2094 enabled_any $OUTDEV_LIST && enable muxers
2095 enabled_any $PROTOCOL_LIST && enable protocols
2096
2097 enabled_any $THREADS_LIST && enable threads
2098
2099 check_deps $CONFIG_LIST \
2100 $CONFIG_EXTRA \
2101 $HAVE_LIST \
2102 $DECODER_LIST \
2103 $ENCODER_LIST \
2104 $PARSER_LIST \
2105 $BSF_LIST \
2106 $DEMUXER_LIST \
2107 $MUXER_LIST \
2108 $FILTER_LIST \
2109 $INDEV_LIST \
2110 $OUTDEV_LIST \
2111 $PROTOCOL_LIST \
2112
2113 enabled libdc1394 && append pkg_requires "libraw1394"
2114 enabled libdirac && append pkg_requires "dirac"
2115 enabled libtheora && append pkg_requires "theora"
2116 enabled libvorbis && append pkg_requires "vorbisenc"
2117
2118 echo "install prefix $prefix"
2119 echo "source path $source_path"
2120 echo "C compiler $cc"
2121 echo ".align is power-of-two $asmalign_pot"
2122 echo "ARCH $arch ($cpu)"
2123 if test "$build_suffix" != ""; then
2124 echo "build suffix $build_suffix"
2125 fi
2126 if test "$extra_version" != ""; then
2127 echo "version string suffix $extra_version"
2128 fi
2129 echo "big-endian ${bigendian-no}"
2130 if test $arch = "x86_32" -o $arch = "x86_64"; then
2131 echo "yasm ${yasm-no}"
2132 echo "MMX enabled ${mmx-no}"
2133 echo "CMOV enabled ${cmov-no}"
2134 echo "CMOV is fast ${fast_cmov-no}"
2135 echo "EBX available ${ebx_available-no}"
2136 echo "EBP available ${ebp_available-no}"
2137 fi
2138 if test $arch = "armv4l"; then
2139 echo "ARMv5TE enabled ${armv5te-no}"
2140 echo "ARMv6 enabled ${armv6-no}"
2141 echo "ARM VFP enabled ${armvfp-no}"
2142 echo "IWMMXT enabled ${iwmmxt-no}"
2143 echo "NEON enabled ${neon-no}"
2144 fi
2145 if test $arch = "mips"; then
2146 echo "MMI enabled ${mmi-no}"
2147 fi
2148 if test $arch = "powerpc"; then
2149 echo "AltiVec enabled ${altivec-no}"
2150 echo "dcbzl available ${dcbzl-no}"
2151 fi
2152 echo "gprof enabled ${gprof-no}"
2153 echo "debug symbols ${debug-no}"
2154 echo "strip symbols ${stripping-no}"
2155 echo "optimizations ${optimizations-no}"
2156 echo "static ${static-no}"
2157 echo "shared ${shared-no}"
2158 echo "postprocessing support ${postproc-no}"
2159 echo "software scaler enabled ${swscale-no}"
2160 echo "new filter support ${avfilter-no}"
2161 echo "filters using lavformat ${avfilter_lavf-no}"
2162 echo "video hooking ${vhook-no}"
2163 if enabled vhook; then
2164 echo "Imlib2 support ${imlib2-no}"
2165 echo "FreeType support ${freetype2-no}"
2166 fi
2167 echo "network support ${network-no}"
2168 if enabled network; then
2169 echo "IPv6 support ${ipv6-no}"
2170 fi
2171 echo "threading support ${thread_type-no}"
2172 echo "SDL support ${sdl-no}"
2173 if enabled sdl_too_old; then
2174 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2175 fi
2176 echo "Sun medialib support ${mlib-no}"
2177 echo "AVISynth enabled ${avisynth-no}"
2178 echo "libamr-nb support ${libamr_nb-no}"
2179 echo "libamr-wb support ${libamr_wb-no}"
2180 echo "libdc1394 support ${libdc1394-no}"
2181 echo "libdirac enabled ${libdirac-no}"
2182 echo "libfaac enabled ${libfaac-no}"
2183 echo "libfaad enabled ${libfaad-no}"
2184 echo "libfaad dlopened ${libfaadbin-no}"
2185 echo "libgsm enabled ${libgsm-no}"
2186 echo "libmp3lame enabled ${libmp3lame-no}"
2187 echo "libnut enabled ${libnut-no}"
2188 echo "libschroedinger enabled ${libschroedinger-no}"
2189 echo "libspeex enabled ${libspeex-no}"
2190 echo "libtheora enabled ${libtheora-no}"
2191 echo "libvorbis enabled ${libvorbis-no}"
2192 echo "libx264 enabled ${libx264-no}"
2193 echo "libxvid enabled ${libxvid-no}"
2194 echo "zlib enabled ${zlib-no}"
2195 echo "bzlib enabled ${bzlib-no}"
2196 echo
2197
2198 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2199 echo "Enabled ${type}s:"
2200 eval list=\$$(toupper $type)_LIST
2201 for part in $list; do
2202 enabled $part && echo ${part%_*}
2203 done | sort | pr -3 -t
2204 echo
2205 done
2206
2207 license="LGPL"
2208 if enabled nonfree; then
2209 license="unredistributable"
2210 elif enabled gpl; then
2211 license="GPL"
2212 fi
2213
2214 echo "License: $license"
2215
2216 echo "Creating config.mak and config.h..."
2217
2218 echo "# Automatically generated by configure - do not modify!" > config.mak
2219 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2220 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2221 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2222 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2223
2224 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2225 echo "prefix=$prefix" >> config.mak
2226 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2227 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2228 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2229 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2230 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2231 echo "CC=$cc" >> config.mak
2232 echo "YASM=$yasmexe" >> config.mak
2233 echo "AR=$ar" >> config.mak
2234 echo "RANLIB=$ranlib" >> config.mak
2235 echo "LN_S=$ln_s" >> config.mak
2236 enabled stripping &&
2237 echo "STRIP=$strip" >> config.mak ||
2238 echo "STRIP=echo ignoring strip" >> config.mak
2239
2240 echo "OPTFLAGS=$CFLAGS" >> config.mak
2241 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2242 echo "LDFLAGS=$LDFLAGS" >> config.mak
2243 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2244 echo "SHFLAGS=$SHFLAGS" >> config.mak
2245 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2246 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2247 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2248 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2249 echo "BUILD_STATIC=$static" >> config.mak
2250 echo "BUILDSUF=$build_suffix" >> config.mak
2251 echo "FULLNAME=$FULLNAME" >> config.mak
2252 echo "LIBPREF=$LIBPREF" >> config.mak
2253 echo "LIBSUF=$LIBSUF" >> config.mak
2254 echo "LIBNAME=$LIBNAME" >> config.mak
2255 echo "SLIBPREF=$SLIBPREF" >> config.mak
2256 echo "SLIBSUF=$SLIBSUF" >> config.mak
2257 echo "EXESUF=$EXESUF" >> config.mak
2258 echo "EXTRA_VERSION=$extra_version" >> config.mak
2259 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2260 echo "HOSTCC=$host_cc" >> config.mak
2261 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2262 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2263 echo "HOSTLIBS=$host_libs" >> config.mak
2264 echo "TARGET_EXEC=$target_exec" >> config.mak
2265 echo "TARGET_PATH=$target_path" >> config.mak
2266
2267 if enabled bigendian; then
2268 echo "WORDS_BIGENDIAN=yes" >> config.mak
2269 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2270 fi
2271
2272 if enabled sdl; then
2273 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2274 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2275 fi
2276 if enabled texi2html; then
2277 echo "BUILD_DOC=yes" >> config.mak
2278 fi
2279
2280 get_version(){
2281 name=$1
2282 file=$source_path/$2
2283 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2284 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2285 lcname=$(tolower $name)
2286 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2287 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2288 }
2289
2290 get_version LIBSWSCALE libswscale/swscale.h
2291 get_version LIBPOSTPROC libpostproc/postprocess.h
2292 get_version LIBAVCODEC libavcodec/avcodec.h
2293 get_version LIBAVDEVICE libavdevice/avdevice.h
2294 get_version LIBAVFORMAT libavformat/avformat.h
2295 get_version LIBAVUTIL libavutil/avutil.h
2296 get_version LIBAVFILTER libavfilter/avfilter.h
2297
2298 if enabled shared; then
2299 echo "BUILD_SHARED=yes" >> config.mak
2300 echo "PIC=-fPIC -DPIC" >> config.mak
2301 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2302 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2303 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2304 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2305 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2306 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2307 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2308 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2309 fi
2310 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2311 echo "EXTRALIBS=$extralibs" >> config.mak
2312
2313 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2314 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2315 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2316 $CONFIG_EXTRA \
2317 $DECODER_LIST \
2318 $ENCODER_LIST \
2319 $PARSER_LIST \
2320 $BSF_LIST \
2321 $DEMUXER_LIST \
2322 $MUXER_LIST \
2323 $FILTER_LIST \
2324 $PROTOCOL_LIST \
2325 $INDEV_LIST \
2326 $OUTDEV_LIST \
2327
2328 echo "#define restrict $_restrict" >> $TMPH
2329
2330 if enabled small; then
2331 echo "#define av_always_inline" >> $TMPH
2332 fi
2333
2334 echo "SRC_PATH=\"$source_path\"" >> config.mak
2335 echo "SRC_PATH_BARE=$source_path" >> config.mak
2336 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2337
2338 # Apparently it's not possible to portably echo a backslash.
2339 enabled asmalign_pot &&
2340 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2341 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2342
2343 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2344
2345 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2346
2347 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2348 cmp -s $TMPH config.h &&
2349 echo "config.h is unchanged" ||
2350 mv -f $TMPH config.h
2351
2352 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2353
2354 # build tree in object directory if source path is different from current one
2355 if enabled source_path_used; then
2356 DIRS="\
2357 doc \
2358 libavcodec \
2359 libavcodec/alpha \
2360 libavcodec/armv4l \
2361 libavcodec/bfin \
2362 libavcodec/i386 \
2363 libavcodec/mlib \
2364 libavcodec/ppc \
2365 libavcodec/sh4 \
2366 libavcodec/sparc \
2367 libavdevice \
2368 libavfilter \
2369 libavformat \
2370 libavutil \
2371 libpostproc \
2372 libswscale \
2373 tests \
2374 tools \
2375 vhook \
2376 "
2377 FILES="\
2378 Makefile \
2379 common.mak \
2380 subdir.mak \
2381 doc/texi2pod.pl \
2382 libavcodec/Makefile \
2383 libavdevice/Makefile \
2384 libavfilter/Makefile \
2385 libavformat/Makefile \
2386 libavutil/Makefile \
2387 libpostproc/Makefile \
2388 libswscale/Makefile \
2389 "
2390 for dir in $DIRS ; do
2391 mkdir -p $dir
2392 done
2393 for f in $FILES ; do
2394 $ln_s "$source_path/$f" $f
2395 done
2396 fi
2397
2398
2399 # build pkg-config files
2400
2401 pkgconfig_generate(){
2402 name=$1
2403 shortname=${name#lib}${build_suffix}
2404 comment=$2
2405 version=$3
2406 libs=$4
2407 requires=$5
2408 cat <<EOF > $name/$name.pc
2409 prefix=$prefix
2410 exec_prefix=\${prefix}
2411 libdir=$libdir
2412 includedir=$incdir
2413
2414 Name: $name
2415 Description: $comment
2416 Version: $version
2417 Requires: $(disabled shared && echo $requires)
2418 Requires.private: $(enabled shared && echo $requires)
2419 Conflicts:
2420 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2421 Libs.private: $(enabled shared && echo $libs)
2422 Cflags: -I\${includedir}
2423 EOF
2424 cat <<EOF > $name/$name-uninstalled.pc
2425 prefix=
2426 exec_prefix=
2427 libdir=\${pcfiledir}
2428 includedir=${source_path}
2429
2430 Name: $name
2431 Description: $comment
2432 Version: $version
2433 Requires: $requires
2434 Conflicts:
2435 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2436 Cflags: -I\${includedir}
2437 EOF
2438 }
2439
2440 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2441 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2442 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2443 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2444 enabled avfilter &&
2445 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2446 enabled postproc &&
2447 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2448 if enabled swscale; then
2449 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2450 else
2451 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2452 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2453 fi