Use 'enabled' function to simplify x86_64 check in the mingw32 section.
[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-vdpau enable VDPAU support [no]"
88 echo " --enable-w32threads use Win32 threads [no]"
89 echo " --enable-x11grab enable X11 grabbing [no]"
90 echo " --enable-xvmc enable XvMC support [no]"
91 echo
92 echo "External library support:"
93 echo " --enable-mlib enable Sun medialib [no]"
94 echo " --enable-avisynth enable reading of AVISynth script files [no]"
95 echo " --enable-bzlib enable bzlib [autodetect]"
96 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
97 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
98 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
99 echo " and libraw1394 [no]"
100 echo " --enable-libdirac enable Dirac support via libdirac [no]"
101 echo " --enable-libfaac enable FAAC support via libfaac [no]"
102 echo " --enable-libfaad enable FAAD support via libfaad [no]"
103 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
104 echo " --enable-libgsm enable GSM support via libgsm [no]"
105 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
106 echo " --enable-libnut enable NUT (de)muxing via libnut,"
107 echo " native (de)muxer exists [no]"
108 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
109 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
110 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
111 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
112 echo " native implementation exists [no]"
113 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
114 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
115 echo " native MPEG-4/Xvid encoder exists [no]"
116 echo " --enable-zlib enable zlib [autodetect]"
117 echo ""
118 echo "Advanced options (experts only):"
119 echo " --source-path=PATH path to source code [$source_path]"
120 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
121 echo " --enable-cross-compile assume a cross-compiler is used"
122 echo " --target-os=OS compiler targets OS [$target_os]"
123 echo " --target-exec=CMD command to run executables on target"
124 echo " --target-path=DIR path to view of build directory on target"
125 echo " --nm=NM use nm tool"
126 echo " --cc=CC use C compiler CC [$cc]"
127 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
128 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
129 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
130 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
131 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
132 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
133 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
134 echo " --extra-version=STRING version string suffix []"
135 echo " --build-suffix=SUFFIX library name suffix []"
136 echo " --arch=ARCH select architecture [$arch]"
137 echo " --cpu=CPU select the minimum required CPU (affects"
138 echo " instruction selection, may crash on older CPUs)"
139 echo " --enable-powerpc-perf enable performance report on PPC"
140 echo " (requires enabling PMC)"
141 echo " --disable-altivec disable AltiVec optimizations"
142 echo " --disable-mmx disable MMX optimizations"
143 echo " --disable-mmx2 disable MMX2 optimizations"
144 echo " --disable-sse disable SSE optimizations"
145 echo " --disable-ssse3 disable SSSE3 optimizations"
146 echo " --disable-armv5te disable armv5te optimizations"
147 echo " --disable-armv6 disable armv6 optimizations"
148 echo " --disable-armv6t2 disable armv6t2 optimizations"
149 echo " --disable-armvfp disable ARM VFP optimizations"
150 echo " --disable-iwmmxt disable iwmmxt optimizations"
151 echo " --disable-mmi disable MMI optimizations"
152 echo " --disable-neon disable neon optimizations"
153 echo " --disable-vis disable VIS optimizations"
154 echo " --disable-network disable network support [no]"
155 echo " --disable-ipv6 disable IPv6 support [no]"
156 echo " --disable-mpegaudio-hp faster (but less accurate)"
157 echo " MPEG audio decoding [no]"
158 echo " --disable-aandct disable AAN DCT code"
159 echo " --disable-fft disable FFT code"
160 echo " --disable-golomb disable Golomb code"
161 echo " --disable-mdct disable MDCT code"
162 echo " --enable-gray enable full grayscale support (slower color)"
163 echo " --disable-ffmpeg disable ffmpeg build"
164 echo " --disable-ffplay disable ffplay build"
165 echo " --disable-ffserver disable ffserver build"
166 echo " --enable-small optimize for size instead of speed"
167 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
168 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
169 echo " --enable-beos-netserver enable BeOS netserver"
170 echo " --disable-encoder=NAME disable encoder NAME"
171 echo " --enable-encoder=NAME enable encoder NAME"
172 echo " --disable-encoders disable all encoders"
173 echo " --disable-decoder=NAME disable decoder NAME"
174 echo " --enable-decoder=NAME enable decoder NAME"
175 echo " --disable-decoders disable all decoders"
176 echo " --disable-muxer=NAME disable muxer NAME"
177 echo " --enable-muxer=NAME enable muxer NAME"
178 echo " --disable-muxers disable all muxers"
179 echo " --disable-demuxer=NAME disable demuxer NAME"
180 echo " --enable-demuxer=NAME enable demuxer NAME"
181 echo " --disable-demuxers disable all demuxers"
182 echo " --enable-parser=NAME enable parser NAME"
183 echo " --disable-parser=NAME disable parser NAME"
184 echo " --disable-parsers disable all parsers"
185 echo " --enable-bsf=NAME enable bitstream filter NAME"
186 echo " --disable-bsf=NAME disable bitstream filter NAME"
187 echo " --disable-bsfs disable all bitstream filters"
188 echo " --enable-protocol=NAME enable protocol NAME"
189 echo " --disable-protocol=NAME disable protocol NAME"
190 echo " --disable-protocols disable all protocols"
191 echo " --disable-indevs disable input devices"
192 echo " --disable-outdevs disable output devices"
193 echo " --disable-devices disable all devices"
194 echo " --enable-filter=NAME enable filter NAME"
195 echo " --disable-filter=NAME disable filter NAME"
196 echo " --disable-filters disable all filters"
197 echo " --list-decoders show all available decoders"
198 echo " --list-encoders show all available encoders"
199 echo " --list-muxers show all available muxers"
200 echo " --list-demuxers show all available demuxers"
201 echo " --list-parsers show all available parsers"
202 echo " --list-protocols show all available protocols"
203 echo " --list-bsfs show all available bitstream filters"
204 echo " --list-indevs show all available input devices"
205 echo " --list-outdevs show all available output devices"
206 echo " --list-filters show all available filters"
207 echo
208 echo "Developer options (useful when working on FFmpeg itself):"
209 echo " --disable-debug disable debugging symbols"
210 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
211 echo " --enable-gprof enable profiling with gprof [$gprof]"
212 echo " --disable-optimizations disable compiler optimizations"
213 echo " --enable-extra-warnings enable more compiler warnings"
214 echo " --disable-stripping disable stripping of executables and shared libraries"
215 echo ""
216 echo "NOTE: Object files are built at the place where configure is launched."
217 exit 0
218 }
219
220 log(){
221 echo "$@" >> $logfile
222 }
223
224 log_file(){
225 log BEGIN $1
226 pr -n -t $1 >> $logfile
227 log END $1
228 }
229
230 echolog(){
231 log "$@"
232 echo "$@"
233 }
234
235 die(){
236 echolog "$@"
237 cat <<EOF
238 If you think configure made a mistake, make sure you are using the latest
239 version from SVN. If the latest version fails, report the problem to the
240 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
241 EOF
242 if disabled logging; then
243 cat <<EOF
244 Rerun configure with logging enabled (do not use --disable-logging), and
245 include the log this produces with your report.
246 EOF
247 else
248 cat <<EOF
249 Include the log file "$logfile" produced by configure as this will help
250 solving the problem.
251 EOF
252 fi
253 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
254 exit 1
255 }
256
257 # Avoid locale weirdness, besides we really just want to translate ASCII.
258 toupper(){
259 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
260 }
261
262 tolower(){
263 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
264 }
265
266 set_all(){
267 value=$1
268 shift
269 for var in $*; do
270 eval $var=$value
271 done
272 }
273
274 set_weak(){
275 value=$1
276 shift
277 for var; do
278 eval : \${$var:=$value}
279 done
280 }
281
282 pushvar(){
283 for var in $*; do
284 eval level=\${${var}_level:=0}
285 eval ${var}_${level}="\$$var"
286 eval ${var}_level=$(($level+1))
287 done
288 }
289
290 popvar(){
291 for var in $*; do
292 eval level=\${${var}_level:-0}
293 test $level = 0 && continue
294 eval level=$(($level-1))
295 eval $var="\${${var}_${level}}"
296 eval ${var}_level=$level
297 eval unset ${var}_${level}
298 done
299 }
300
301 enable(){
302 set_all yes $*
303 }
304
305 disable(){
306 set_all no $*
307 }
308
309 enable_weak(){
310 set_weak yes $*
311 }
312
313 disable_weak(){
314 set_weak no $*
315 }
316
317 do_enable_deep(){
318 for var; do
319 enabled $var && continue
320 eval sel="\$${var}_select"
321 eval sgs="\$${var}_suggest"
322 pushvar var sgs
323 enable_deep $sel
324 popvar sgs
325 enable_deep_weak $sgs
326 popvar var
327 done
328 }
329
330 enable_deep(){
331 do_enable_deep $*
332 enable $*
333 }
334
335 enable_deep_weak(){
336 do_enable_deep $*
337 enable_weak $*
338 }
339
340 enabled(){
341 test "${1#!}" = "$1" && op== || op=!=
342 eval test "x\$${1#!}" $op "xyes"
343 }
344
345 disabled(){
346 test "${1#!}" = "$1" && op== || op=!=
347 eval test "x\$${1#!}" $op "xno"
348 }
349
350 enabled_all(){
351 for opt; do
352 enabled $opt || return 1
353 done
354 }
355
356 disabled_all(){
357 for opt; do
358 disabled $opt || return 1
359 done
360 }
361
362 enabled_any(){
363 for opt; do
364 enabled $opt && return 0
365 done
366 }
367
368 disabled_any(){
369 for opt; do
370 disabled $opt && return 0
371 done
372 return 1
373 }
374
375 set_default(){
376 for opt; do
377 eval : \${$opt:=\$${opt}_default}
378 done
379 }
380
381 is_in(){
382 value=$1
383 shift
384 for var in $*; do
385 [ $var = $value ] && return 0
386 done
387 return 1
388 }
389
390 check_deps(){
391 for cfg; do
392 cfg="${cfg#!}"
393 enabled ${cfg}_checking && die "Circular dependency for $cfg."
394 disabled ${cfg}_checking && continue
395 enable ${cfg}_checking
396
397 eval dep_all="\$${cfg}_deps"
398 eval dep_any="\$${cfg}_deps_any"
399 eval dep_sel="\$${cfg}_select"
400 eval dep_sgs="\$${cfg}_suggest"
401
402 pushvar cfg dep_all dep_any dep_sel dep_sgs
403 check_deps $dep_all $dep_any $dep_sel $dep_sgs
404 popvar cfg dep_all dep_any dep_sel dep_sgs
405
406 enabled_all $dep_all || disable $cfg
407 enabled_any $dep_any || disable $cfg
408 disabled_any $dep_sel && disable $cfg
409
410 if enabled $cfg; then
411 eval dep_extralibs="\$${cfg}_extralibs"
412 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
413 enable_deep $dep_sel
414 enable_deep_weak $dep_sgs
415 fi
416
417 disable ${cfg}_checking
418 done
419 }
420
421 print_config(){
422 pfx=$1
423 header=$2
424 makefile=$3
425 shift 3
426 for cfg; do
427 ucname="`toupper $cfg`"
428 if enabled $cfg; then
429 echo "#define ${pfx}${ucname} 1" >> $header
430 echo "#define ENABLE_${ucname} 1" >> $header
431 echo "${pfx}${ucname}=yes" >> $makefile
432 else
433 echo "#define ENABLE_${ucname} 0" >> $header
434 fi
435 done
436 }
437
438 flags_saved(){
439 (: ${SAVE_CFLAGS?}) 2> /dev/null
440 }
441
442 save_flags(){
443 flags_saved && return
444 SAVE_CFLAGS="$CFLAGS"
445 SAVE_LDFLAGS="$LDFLAGS"
446 SAVE_extralibs="$extralibs"
447 }
448
449 restore_flags(){
450 flags_saved || return
451 CFLAGS="$SAVE_CFLAGS"
452 LDFLAGS="$SAVE_LDFLAGS"
453 extralibs="$SAVE_extralibs"
454 unset SAVE_CFLAGS
455 unset SAVE_LDFLAGS
456 unset SAVE_extralibs
457 }
458
459 temp_cflags(){
460 save_flags
461 CFLAGS="$CFLAGS $*"
462 }
463
464 temp_ldflags(){
465 save_flags
466 LDFLAGS="$LDFLAGS $*"
467 }
468
469 temp_extralibs(){
470 save_flags
471 extralibs="$extralibs $*"
472 }
473
474 append(){
475 var=$1
476 shift
477 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
478 eval "$var=\"\$$var $*\""
479 }
480
481 add_cflags(){
482 append CFLAGS "$@"
483 }
484
485 add_ldflags(){
486 append LDFLAGS "$@"
487 }
488
489 add_extralibs(){
490 append extralibs "$@"
491 }
492
493 check_cmd(){
494 log "$@"
495 "$@" >> $logfile 2>&1
496 }
497
498 check_cc(){
499 log check_cc "$@"
500 cat > $TMPC
501 log_file $TMPC
502 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
503 }
504
505 check_cpp(){
506 log check_cpp "$@"
507 cat > $TMPC
508 log_file $TMPC
509 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
510 }
511
512 check_asm(){
513 log check_asm "$@"
514 name="$1"
515 asm="$2"
516 shift 2
517 check_cc "$@" <<EOF && enable $name || disable $name
518 void foo(void){ __asm__ volatile($asm); }
519 EOF
520 }
521
522 check_yasm(){
523 log check_yasm "$@"
524 echo "$1" > $TMPS
525 log_file $TMPS
526 shift 1
527 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
528 }
529
530 check_ld(){
531 log check_ld "$@"
532 check_cc || return
533 flags=''
534 libs=''
535 for f; do
536 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
537 done
538 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
539 }
540
541 check_cflags(){
542 log check_cflags "$@"
543 check_cc "$@" <<EOF && add_cflags "$@"
544 int x;
545 EOF
546 }
547
548 check_ldflags(){
549 log check_ldflags "$@"
550 check_ld "$@" <<EOF && add_ldflags "$@"
551 int main(void){ return 0; }
552 EOF
553 }
554
555 check_header(){
556 log check_header "$@"
557 header=$1
558 shift
559 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
560 disable $var
561 check_cpp "$@" <<EOF && enable $var
562 #include <$header>
563 int x;
564 EOF
565 }
566
567 check_func(){
568 log check_func "$@"
569 func=$1
570 shift
571 disable $func
572 check_ld "$@" <<EOF && enable $func
573 extern int $func();
574 int main(void){ $func(); }
575 EOF
576 }
577
578 check_func_headers(){
579 log check_func_headers "$@"
580 headers=$1
581 func=$2
582 shift 2
583 disable $func
584 incs=""
585 for hdr in $headers; do
586 incs="$incs
587 #include <$hdr>"
588 done
589 check_ld "$@" <<EOF && enable $func
590 $incs
591 int main(int argc, char **argv){
592 (void) $func;
593 return 0;
594 }
595 EOF
596 }
597
598 check_cpp_condition(){
599 log check_cpp_condition "$@"
600 header=$1
601 condition=$2
602 check_cpp <<EOF
603 #include <$header>
604 #if !($condition)
605 #error "unsatisfied condition: $condition"
606 #endif
607 EOF
608 }
609
610 check_lib(){
611 log check_lib "$@"
612 header="$1"
613 func="$2"
614 shift 2
615 temp_extralibs "$@"
616 check_header $header && check_func $func && add_extralibs "$@"
617 err=$?
618 restore_flags
619 return $err
620 }
621
622 check_lib2(){
623 log check_lib2 "$@"
624 headers="$1"
625 func="$2"
626 shift 2
627 temp_extralibs "$@"
628 check_func_headers "$headers" $func && add_extralibs "$@"
629 err=$?
630 restore_flags
631 return $err
632 }
633
634 check_exec(){
635 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
636 }
637
638 check_exec_crash(){
639 code=`cat`
640
641 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
642 # are safe but may not be available everywhere. Thus we use
643 # raise(SIGTERM) instead. The check is run in a subshell so we
644 # can redirect the "Terminated" message from the shell. SIGBUS
645 # is not defined by standard C so it is used conditionally.
646
647 (check_exec "$@") >> $logfile 2>&1 <<EOF
648 #include <signal.h>
649 static void sighandler(int sig){
650 raise(SIGTERM);
651 }
652 int main(void){
653 signal(SIGILL, sighandler);
654 signal(SIGFPE, sighandler);
655 signal(SIGSEGV, sighandler);
656 #ifdef SIGBUS
657 signal(SIGBUS, sighandler);
658 #endif
659 { $code }
660 }
661 EOF
662 }
663
664 check_type(){
665 log check_type "$@"
666 headers=$1
667 type=$2
668 shift 2
669 disable $type
670 incs=""
671 for hdr in $headers; do
672 incs="$incs
673 #include <$hdr>"
674 done
675 check_cc "$@" <<EOF && enable $type
676 $incs
677 $type v;
678 EOF
679 }
680
681 require(){
682 name="$1"
683 header="$2"
684 func="$3"
685 shift 3
686 check_lib $header $func "$@" || die "ERROR: $name not found"
687 }
688
689 require2(){
690 name="$1"
691 headers="$2"
692 func="$3"
693 shift 3
694 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
695 }
696
697 check_foo_config(){
698 cfg=$1
699 pkg=$2
700 header=$3
701 func=$4
702 shift 4
703 disable $cfg
704 check_cmd ${pkg}-config --version
705 err=$?
706 if test "$err" = 0; then
707 temp_cflags `${pkg}-config --cflags`
708 temp_extralibs `${pkg}-config --libs`
709 check_lib "$@" $header $func && enable $cfg
710 fi
711 return $err
712 }
713
714 apply(){
715 file=$1
716 shift
717 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
718 }
719
720 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
721 # system-dependent things.
722
723 COMPONENT_LIST="
724 bsfs
725 decoders
726 demuxers
727 encoders
728 filters
729 indevs
730 muxers
731 outdevs
732 parsers
733 protocols
734 "
735
736 CONFIG_LIST="
737 $COMPONENT_LIST
738 aandct
739 avfilter
740 avfilter_lavf
741 avisynth
742 beos_netserver
743 bzlib
744 ffmpeg
745 ffplay
746 ffserver
747 fft
748 golomb
749 gpl
750 gprof
751 gray
752 hardcoded_tables
753 ipv6
754 libamr_nb
755 libamr_wb
756 libdc1394
757 libdirac
758 libfaac
759 libfaad
760 libfaadbin
761 libgsm
762 libmp3lame
763 libnut
764 libschroedinger
765 libspeex
766 libtheora
767 libvorbis
768 libx264
769 libxvid
770 mdct
771 memalign_hack
772 mlib
773 mpegaudio_hp
774 network
775 nonfree
776 postproc
777 powerpc_perf
778 shared
779 small
780 static
781 swscale
782 vdpau
783 vhook
784 x11grab
785 xvmc
786 zlib
787 "
788
789 THREADS_LIST='
790 beosthreads
791 os2threads
792 pthreads
793 w32threads
794 '
795
796 ARCH_LIST='
797 alpha
798 arm
799 bfin
800 ia64
801 m68k
802 mips
803 parisc
804 ppc
805 s390
806 sh4
807 sparc
808 sparc64
809 x86
810 x86_32
811 x86_64
812 '
813
814 ARCH_EXT_LIST='
815 altivec
816 armv5te
817 armv6
818 armv6t2
819 armvfp
820 iwmmxt
821 mmi
822 mmx
823 mmx2
824 neon
825 sse
826 ssse3
827 vis
828 '
829
830 HAVE_LIST="
831 $ARCH_EXT_LIST
832 $THREADS_LIST
833 altivec_h
834 arpa_inet_h
835 bswap
836 closesocket
837 cmov
838 conio_h
839 dcbzl
840 dev_bktr_ioctl_bt848_h
841 dev_bktr_ioctl_meteor_h
842 dev_ic_bt8xx_h
843 dev_video_meteor_ioctl_meteor_h
844 dev_video_bktr_ioctl_bt848_h
845 dlfcn_h
846 dlopen
847 dos_paths
848 ebp_available
849 ebx_available
850 fast_64bit
851 fast_cmov
852 fast_unaligned
853 fork
854 freetype2
855 gethrtime
856 GetProcessTimes
857 getrusage
858 imlib2
859 inet_aton
860 inline_asm
861 libdc1394_1
862 libdc1394_2
863 llrint
864 lrint
865 lrintf
866 machine_ioctl_bt848_h
867 machine_ioctl_meteor_h
868 malloc_h
869 memalign
870 mkstemp
871 pld
872 posix_memalign
873 ppc64
874 round
875 roundf
876 sdl
877 sdl_video_size
878 setmode
879 socklen_t
880 soundcard_h
881 poll_h
882 sys_mman_h
883 sys_resource_h
884 sys_select_h
885 sys_soundcard_h
886 sys_videoio_h
887 termios_h
888 threads
889 truncf
890 winsock2_h
891 yasm
892 "
893
894 # options emitted with CONFIG_ prefix but not available on command line
895 CONFIG_EXTRA="
896 fft_mmx
897 oldscaler
898 "
899
900 CMDLINE_SELECT="
901 $ARCH_EXT_LIST
902 $CONFIG_LIST
903 $THREADS_LIST
904 cross_compile
905 debug
906 extra_warnings
907 logging
908 optimizations
909 stripping
910 "
911
912 PATHS_LIST='
913 bindir
914 incdir
915 libdir
916 mandir
917 prefix
918 shlibdir
919 '
920
921 CMDLINE_SET="
922 $PATHS_LIST
923 arch
924 build_suffix
925 cc
926 cpu
927 cross_prefix
928 extra_version
929 host_cc
930 host_cflags
931 host_ldflags
932 host_libs
933 logfile
934 nm
935 source_path
936 target_exec
937 target_os
938 target_path
939 "
940
941 # code dependency declarations
942
943 # architecture extensions
944 altivec_deps="ppc"
945 armv5te_deps="arm"
946 armv6_deps="arm"
947 armv6t2_deps="arm"
948 armvfp_deps="arm"
949 iwmmxt_deps="arm"
950 mmi_deps="mips"
951 mmx_deps="x86"
952 mmx2_deps="x86 mmx"
953 neon_deps="arm"
954 sse_deps="mmx"
955 ssse3_deps="x86 sse"
956 vis_deps="sparc"
957
958 # common features
959 fft_suggest="fft_mmx"
960 fft_mmx_deps="mmx yasm"
961 oldscaler_deps="!swscale"
962
963 # decoders / encoders
964 aac_decoder_select="fft mdct"
965 ac3_decoder_deps="gpl"
966 ac3_decoder_select="fft mdct"
967 atrac3_decoder_select="fft mdct"
968 cavs_decoder_select="golomb"
969 cook_decoder_select="fft mdct"
970 cscd_decoder_suggest="zlib"
971 dca_decoder_select="fft mdct"
972 dnxhd_encoder_select="aandct"
973 dxa_decoder_select="zlib"
974 eac3_decoder_deps="gpl"
975 eac3_decoder_select="fft mdct"
976 eatgq_decoder_select="aandct"
977 ffv1_decoder_select="golomb"
978 flac_decoder_select="golomb"
979 flac_encoder_select="golomb"
980 flashsv_decoder_select="zlib"
981 flashsv_encoder_select="zlib"
982 flv_encoder_select="aandct"
983 h261_encoder_select="aandct"
984 h263_encoder_select="aandct"
985 h263p_encoder_select="aandct"
986 h264_decoder_select="golomb"
987 h264_vdpau_decoder_deps="vdpau"
988 imc_decoder_select="fft mdct"
989 jpegls_decoder_select="golomb"
990 jpegls_encoder_select="golomb"
991 ljpeg_encoder_select="aandct"
992 loco_decoder_select="golomb"
993 mjpeg_encoder_select="aandct"
994 mpeg1video_encoder_select="aandct"
995 mpeg2video_encoder_select="aandct"
996 mpeg4_encoder_select="aandct"
997 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
998 msmpeg4v1_encoder_select="aandct"
999 msmpeg4v2_encoder_select="aandct"
1000 msmpeg4v3_encoder_select="aandct"
1001 nellymoser_decoder_select="fft mdct"
1002 nellymoser_encoder_select="fft mdct"
1003 png_decoder_select="zlib"
1004 png_encoder_select="zlib"
1005 qdm2_decoder_select="fft mdct"
1006 rv10_encoder_select="aandct"
1007 rv20_encoder_select="aandct"
1008 shorten_decoder_select="golomb"
1009 sonic_decoder_select="golomb"
1010 sonic_encoder_select="golomb"
1011 sonic_ls_encoder_select="golomb"
1012 svq3_decoder_select="golomb"
1013 svq3_decoder_suggest="zlib"
1014 tiff_decoder_suggest="zlib"
1015 tiff_encoder_suggest="zlib"
1016 tscc_decoder_select="zlib"
1017 vorbis_decoder_select="fft mdct"
1018 vorbis_encoder_select="fft mdct"
1019 wmav1_decoder_select="fft mdct"
1020 wmav1_encoder_select="fft mdct"
1021 wmav2_decoder_select="fft mdct"
1022 wmav2_encoder_select="fft mdct"
1023 wmv1_encoder_select="aandct"
1024 wmv2_encoder_select="aandct"
1025 zlib_decoder_select="zlib"
1026 zlib_encoder_select="zlib"
1027 zmbv_decoder_select="zlib"
1028 zmbv_encoder_select="zlib"
1029
1030 # external libraries
1031 libamr_nb_decoder_deps="libamr_nb"
1032 libamr_nb_encoder_deps="libamr_nb"
1033 libamr_wb_decoder_deps="libamr_wb"
1034 libamr_wb_encoder_deps="libamr_wb"
1035 libdirac_decoder_deps="libdirac !libschroedinger"
1036 libdirac_encoder_deps="libdirac"
1037 libfaac_encoder_deps="libfaac"
1038 libfaad_decoder_deps="libfaad"
1039 libfaadbin_decoder_extralibs='$ldl'
1040 libgsm_decoder_deps="libgsm"
1041 libgsm_encoder_deps="libgsm"
1042 libgsm_ms_decoder_deps="libgsm"
1043 libgsm_ms_encoder_deps="libgsm"
1044 libmp3lame_encoder_deps="libmp3lame"
1045 libschroedinger_decoder_deps="libschroedinger"
1046 libschroedinger_encoder_deps="libschroedinger"
1047 libspeex_decoder_deps="libspeex"
1048 libtheora_encoder_deps="libtheora"
1049 libvorbis_encoder_deps="libvorbis"
1050 libx264_encoder_deps="libx264"
1051 libxvid_encoder_deps="libxvid"
1052 mpeg4aac_decoder_deps="libfaad"
1053 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1054
1055 # demuxers / muxers
1056 ac3_demuxer_deps="ac3_parser"
1057 audio_beos_demuxer_deps="audio_beos"
1058 audio_beos_demuxer_extralibs="-lmedia -lbe"
1059 audio_beos_muxer_deps="audio_beos"
1060 audio_beos_muxer_extralibs="-lmedia -lbe"
1061 avisynth_demuxer_deps="avisynth"
1062 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1063 dirac_demuxer_deps="dirac_parser"
1064 dv1394_demuxer_deps="dv1394 dv_demuxer"
1065 libdc1394_demuxer_deps="libdc1394"
1066 libnut_demuxer_deps="libnut"
1067 libnut_muxer_deps="libnut"
1068 matroska_demuxer_suggest="zlib bzlib"
1069 mov_demuxer_suggest="zlib"
1070 mp3_demuxer_deps="mpegaudio_parser"
1071 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1072 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1073 redir_demuxer_deps="network"
1074 rtp_muxer_deps="network rtp_protocol"
1075 rtsp_demuxer_deps="sdp_demuxer"
1076 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1077 v4l_demuxer_deps="linux_videodev_h"
1078 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1079 vfwcap_demuxer_deps="capCreateCaptureWindow"
1080 vfwcap_demuxer_extralibs="-lvfw32"
1081 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1082 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1083
1084 # protocols
1085 http_protocol_deps="network"
1086 rtp_protocol_deps="udp_protocol"
1087 tcp_protocol_deps="network"
1088 udp_protocol_deps="network"
1089
1090 # filters
1091 movie_filter_deps="avfilter_lavf"
1092
1093 # programs
1094 ffplay_deps="sdl"
1095 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1096 ffserver_extralibs='$ldl'
1097 vhook_extralibs='$ldl'
1098
1099
1100 # default parameters
1101
1102 logfile="config.err"
1103
1104 # installation paths
1105 prefix_default="/usr/local"
1106 bindir_default='${prefix}/bin'
1107 incdir_default='${prefix}/include'
1108 libdir_default='${prefix}/lib'
1109 mandir_default='${prefix}/share/man'
1110 shlibdir_default="$libdir_default"
1111
1112 # toolchain
1113 ar="ar"
1114 cc_default="gcc"
1115 host_cc_default="gcc"
1116 ln_s="ln -sf"
1117 nm_default="nm"
1118 objformat="elf"
1119 ranlib="ranlib"
1120 strip="strip"
1121 yasmexe="yasm"
1122
1123 # machine
1124 arch=`uname -m`
1125 cpu="generic"
1126
1127 # OS
1128 target_os=$(tolower $(uname -s))
1129
1130 # configurable options
1131 enable debug
1132 enable ffmpeg
1133 enable ffplay
1134 enable ffserver
1135 enable ipv6
1136 enable mpegaudio_hp
1137 enable network
1138 enable oldscaler
1139 enable optimizations
1140 enable protocols
1141 enable static
1142 enable stripping
1143 vhook="default"
1144
1145 # build settings
1146 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1147 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1148 VHOOKSHFLAGS='$(SHFLAGS)'
1149 FFSERVERLDFLAGS=-Wl,-E
1150 LIBPREF="lib"
1151 LIBSUF=".a"
1152 FULLNAME='$(NAME)$(BUILDSUF)'
1153 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1154 SLIBPREF="lib"
1155 SLIBSUF=".so"
1156 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1157 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1158 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1159 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1160
1161 host_cflags='-O3 -g -Wall'
1162 host_libs='-lm'
1163
1164 target_path='.'
1165
1166 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1167 # full relative path for objects in subdirectories for non-recursive Make.
1168 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,"'
1169
1170 # find source path
1171 source_path="`dirname \"$0\"`"
1172 enable source_path_used
1173 if test -z "$source_path" -o "$source_path" = "." ; then
1174 source_path="`pwd`"
1175 disable source_path_used
1176 else
1177 source_path="`cd \"$source_path\"; pwd`"
1178 echo "$source_path" | grep -q '[[:blank:]]' &&
1179 die "Out of tree builds are impossible with whitespace in source path."
1180 fi
1181
1182 FFMPEG_CONFIGURATION="$@"
1183
1184 find_things(){
1185 thing=$1
1186 pattern=$2
1187 file=$source_path/$3
1188 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1189 }
1190
1191 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1192 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1193 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1194 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1195 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1196 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1197 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1198 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1199 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1200 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1201
1202 enable $ARCH_EXT_LIST \
1203 $DECODER_LIST \
1204 $ENCODER_LIST \
1205 $PARSER_LIST \
1206 $BSF_LIST \
1207 $DEMUXER_LIST \
1208 $MUXER_LIST \
1209 $FILTER_LIST \
1210 $PROTOCOL_LIST \
1211 $INDEV_LIST \
1212 $OUTDEV_LIST \
1213
1214 die_unknown(){
1215 echo "Unknown option \"$1\"."
1216 echo "See $0 --help for available options."
1217 exit 1
1218 }
1219
1220 show_list() {
1221 suffix=_$1
1222 shift
1223 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1224 exit 0
1225 }
1226
1227 for opt do
1228 optval="${opt#*=}"
1229 case "$opt" in
1230 --extra-cflags=*) add_cflags $optval
1231 ;;
1232 --extra-ldflags=*) add_ldflags $optval
1233 ;;
1234 --extra-libs=*) add_extralibs $optval
1235 ;;
1236 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1237 ;;
1238 --enable-debug=*) debuglevel="$optval"
1239 ;;
1240 --enable-*=*|--disable-*=*)
1241 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1242 case "$thing" in
1243 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1244 *) die_unknown "$opt" ;;
1245 esac
1246 ;;
1247 --enable-?*|--disable-?*)
1248 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1249 if is_in $option $COMPONENT_LIST; then
1250 eval $action \$$(toupper ${option%s})_LIST
1251 elif is_in $option $CMDLINE_SELECT; then
1252 $action $option
1253 else
1254 die_unknown $opt
1255 fi
1256 ;;
1257 --list-*)
1258 NAME="${opt#--list-}"
1259 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1260 NAME=${NAME%s}
1261 eval show_list $NAME \$$(toupper $NAME)_LIST
1262 ;;
1263 --help|-h) show_help
1264 ;;
1265 *)
1266 optname="${opt%%=*}"
1267 optname="${optname#--}"
1268 optname=$(echo "$optname" | sed 's/-/_/g')
1269 is_in $optname $CMDLINE_SET || die_unknown $opt
1270 eval $optname='$optval'
1271 ;;
1272 esac
1273 done
1274
1275 disabled logging && logfile=/dev/null
1276
1277 echo "# $0 $@" > $logfile
1278 set >> $logfile
1279
1280 test -n "$cross_prefix" && enable cross_compile
1281
1282 ar="${cross_prefix}${ar}"
1283 cc_default="${cross_prefix}${cc_default}"
1284 nm_default="${cross_prefix}${nm_default}"
1285 ranlib="${cross_prefix}${ranlib}"
1286 strip="${cross_prefix}${strip}"
1287
1288 set_default cc nm
1289 enabled cross_compile || host_cc_default=$cc
1290 set_default host_cc
1291
1292 # set temporary file name
1293 : ${TMPDIR:=$TEMPDIR}
1294 : ${TMPDIR:=$TMP}
1295 : ${TMPDIR:=/tmp}
1296
1297 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1298 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1299 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1300 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1301 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1302 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1303
1304 check_cflags -std=c99
1305
1306 case "$arch" in
1307 i386|i486|i586|i686|i86pc|BePC)
1308 arch="x86_32"
1309 enable fast_unaligned
1310 ;;
1311 x86_64|amd64)
1312 arch="x86_32"
1313 enable cmov
1314 enable fast_cmov
1315 enable fast_unaligned
1316 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1317 int test[sizeof(char*) - 7];
1318 EOF
1319 ;;
1320 arm|armv[4567]*l)
1321 arch="arm"
1322 ;;
1323 alpha)
1324 arch="alpha"
1325 enable fast_64bit
1326 ;;
1327 "Power Macintosh"|ppc|powerpc)
1328 arch="ppc"
1329 enable fast_unaligned
1330 ;;
1331 ppc64)
1332 arch="ppc"
1333 enable fast_64bit
1334 enable fast_unaligned
1335 ;;
1336 mips|mipsel|IP*)
1337 arch="mips"
1338 ;;
1339 mips64)
1340 arch="mips"
1341 enable fast_64bit
1342 ;;
1343 sun4u|sparc64)
1344 arch="sparc64"
1345 enable fast_64bit
1346 ;;
1347 sparc)
1348 arch="sparc"
1349 ;;
1350 sh4|sh)
1351 arch="sh4"
1352 ;;
1353 parisc|hppa)
1354 arch="parisc"
1355 ;;
1356 parisc64|hppa64)
1357 arch="parisc"
1358 enable fast_64bit
1359 ;;
1360 s390|s390x)
1361 arch="s390"
1362 ;;
1363 m68k)
1364 arch="m68k"
1365 ;;
1366 ia64)
1367 arch="ia64"
1368 enable fast_64bit
1369 ;;
1370 bfin)
1371 arch="bfin"
1372 ;;
1373 *)
1374 arch="unknown"
1375 ;;
1376 esac
1377
1378 enable $arch
1379 enabled_any x86_32 x86_64 && enable x86
1380 enabled sparc64 && enable sparc
1381
1382 # OS specific
1383 case $target_os in
1384 beos|haiku|zeta)
1385 prefix_default="$HOME/config"
1386 # helps building libavcodec
1387 add_cflags -DPIC -fomit-frame-pointer
1388 # 3 gcc releases known for BeOS, each with ugly bugs
1389 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1390 case "$gcc_version" in
1391 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1392 disable mmx
1393 ;;
1394 *20010315*) echo "BeBits gcc"
1395 add_cflags -fno-expensive-optimizations
1396 ;;
1397 esac
1398 SHFLAGS=-nostart
1399 # enable BeOS things
1400 enable audio_beos
1401 # no need for libm, but the inet stuff
1402 # Check for BONE
1403 # XXX: actually should check for NOT net_server
1404 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1405 network_extralibs="-lbind -lsocket"
1406 else
1407 enable beos_netserver
1408 network_extralibs="-lnet"
1409 fi ;;
1410 sunos)
1411 FFSERVERLDFLAGS=""
1412 SHFLAGS='-shared -Wl,-h,$$(@F)'
1413 network_extralibs="-lsocket -lnsl"
1414 add_cflags -D__EXTENSIONS__
1415 ;;
1416 netbsd)
1417 oss_demuxer_extralibs="-lossaudio"
1418 oss_muxer_extralibs="-lossaudio"
1419 ;;
1420 openbsd)
1421 disable need_memalign
1422 LIBOBJFLAGS='$(PIC)'
1423 SHFLAGS='-shared'
1424 oss_demuxer_extralibs="-lossaudio"
1425 oss_muxer_extralibs="-lossaudio"
1426 ;;
1427 freebsd)
1428 disable need_memalign
1429 ;;
1430 bsd/os)
1431 osextralibs="-lpoll -lgnugetopt"
1432 strip="strip -d"
1433 ;;
1434 darwin)
1435 disable need_memalign
1436 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1437 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1438 strip="strip -x"
1439 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1440 SLIBSUF=".dylib"
1441 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1442 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1443 FFSERVERLDFLAGS=-Wl,-bind_at_load
1444 objformat="macho"
1445 enabled x86_64 && objformat="macho64"
1446 ;;
1447 mingw32*)
1448 target_os=mingw32
1449 LIBTARGET=i386
1450 if enabled x86_64; then
1451 disable need_memalign
1452 LIBTARGET=x64
1453 fi
1454 shlibdir_default="$bindir_default"
1455 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1456 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1457 if enabled swscale; then
1458 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1459 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1460 fi
1461 disable ffserver
1462 SLIBPREF=""
1463 SLIBSUF=".dll"
1464 EXESUF=".exe"
1465 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1466 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1467 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1468 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1469 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1470 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1471 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1472 objformat="win32"
1473 enable dos_paths
1474 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1475 die "ERROR: MinGW runtime version must be >= 3.15."
1476 enabled_any avisynth vfwcap_demuxer &&
1477 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1478 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1479 ;;
1480 cygwin*)
1481 target_os=cygwin
1482 shlibdir_default="$bindir_default"
1483 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1484 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1485 if enabled swscale; then
1486 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1487 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1488 fi
1489 EXESUF=".exe"
1490 SLIBPREF="cyg"
1491 SLIBSUF=".dll"
1492 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1493 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1494 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1495 objformat="win32"
1496 enable dos_paths
1497 ;;
1498 *-dos|freedos|opendos)
1499 disable ffplay ffserver vhook
1500 disable $INDEV_LIST $OUTDEV_LIST
1501 network_extralibs="-lsocket"
1502 EXESUF=".exe"
1503 objformat="coff"
1504 enable dos_paths
1505 ;;
1506 linux)
1507 enable dv1394
1508 ;;
1509 irix*)
1510 target_os=irix
1511 ranlib="echo ignoring ranlib"
1512 ;;
1513 os/2*)
1514 strip="lxlite"
1515 ln_s="cp -f"
1516 EXESUF=".exe"
1517 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1518 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1519 FFSERVERLDFLAGS=""
1520 LIBSUF="_s.a"
1521 SLIBPREF=""
1522 SLIBSUF=".dll"
1523 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1524 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1525 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1526 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1527 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1528 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1529 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1530 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1531 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1532 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1533 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1534 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1535 disable vhook
1536 enable dos_paths
1537 ;;
1538 interix)
1539 disable vhook
1540 ;;
1541
1542 *)
1543 target_os="${target_os}-UNKNOWN"
1544 ;;
1545 esac
1546
1547 set_default $PATHS_LIST
1548
1549 add_extralibs $osextralibs
1550
1551 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1552 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1553
1554 # we need to build at least one lib type
1555 if ! enabled_any static shared; then
1556 cat <<EOF
1557 At least one library type must be built.
1558 Specify --enable-static to build the static libraries or --enable-shared to
1559 build the shared libraries as well. To only build the shared libraries specify
1560 --disable-static in addition to --enable-shared.
1561 EOF
1562 exit 1;
1563 fi
1564
1565 disabled static && LIBNAME=""
1566
1567 if enabled_any libfaad libfaadbin ; then
1568 if check_header faad.h; then
1569 check_cc <<EOF
1570 #include <faad.h>
1571 #ifndef FAAD2_VERSION
1572 ok faad1
1573 #endif
1574 int main(void) { return 0; }
1575 EOF
1576 test $? = 0 && enable libfaad2
1577 else
1578 die "FAAD test failed."
1579 fi
1580 fi
1581
1582
1583 if ! enabled gpl; then
1584 die_gpl_disabled(){
1585 name=$1
1586 shift
1587 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1588 }
1589 die_gpl_disabled "The Postprocessing code" postproc
1590 die_gpl_disabled "libx264" libx264
1591 die_gpl_disabled "libxvidcore" libxvid
1592 die_gpl_disabled "FAAD2" libfaad2
1593 die_gpl_disabled "The X11 grabber" x11grab
1594 die_gpl_disabled "The software scaler" swscale
1595 fi
1596
1597 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1598 die "libamr is nonfree and --enable-nonfree is not specified."
1599 fi
1600
1601 check_deps $ARCH_EXT_LIST
1602
1603 test -z "$need_memalign" && need_memalign="$mmx"
1604
1605 #Darwin CC versions
1606 if test $target_os = darwin; then
1607 if $cc -v 2>&1 | grep -q xlc; then
1608 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1609 else
1610 add_cflags -pipe
1611 check_cflags -force_cpusubtype_ALL
1612 check_cflags -Wno-sign-compare
1613 enabled shared || check_cflags -mdynamic-no-pic
1614 fi
1615 fi
1616
1617 disabled optimizations || check_cflags -fomit-frame-pointer
1618
1619 # Add processor-specific flags
1620 if test $cpu != "generic"; then
1621 warn_altivec(){
1622 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1623 }
1624 case $cpu in
1625 601|ppc601|PowerPC601)
1626 add_cflags -mcpu=601
1627 warn_altivec enabled PPC601
1628 ;;
1629 603*|ppc603*|PowerPC603*)
1630 add_cflags -mcpu=603
1631 warn_altivec enabled PPC603
1632 ;;
1633 604*|ppc604*|PowerPC604*)
1634 add_cflags -mcpu=604
1635 warn_altivec enabled PPC604
1636 ;;
1637 G3|g3|75*|ppc75*|PowerPC75*)
1638 add_cflags -mcpu=750 -mpowerpc-gfxopt
1639 warn_altivec enabled PPC75x
1640 ;;
1641 G4|g4|745*|ppc745*|PowerPC745*)
1642 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1643 warn_altivec disabled PPC745x
1644 ;;
1645 74*|ppc74*|PowerPC74*)
1646 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1647 warn_altivec disabled PPC74xx
1648 ;;
1649 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1650 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1651 warn_altivec disabled PPC970
1652 enable ppc64
1653 ;;
1654 Cell|CELL|cell)
1655 add_cflags -mcpu=cell
1656 warn_altivec disabled Cell
1657 enable ppc64
1658 ;;
1659 # targets that do NOT support conditional mov (cmov)
1660 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1661 add_cflags -march=$cpu
1662 disable cmov
1663 ;;
1664 # targets that do support conditional mov (cmov)
1665 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1666 add_cflags -march=$cpu
1667 enable cmov
1668 enable fast_cmov
1669 ;;
1670 # targets that do support conditional mov but on which it's slow
1671 pentium4|pentium4m|prescott|nocona)
1672 add_cflags -march=$cpu
1673 enable cmov
1674 disable fast_cmov
1675 ;;
1676 sparc64)
1677 add_cflags -mcpu=v9
1678 ;;
1679 arm11*|cortex*)
1680 add_cflags -mcpu=$cpu
1681 enable fast_unaligned
1682 ;;
1683 armv*)
1684 add_cflags -march=$cpu
1685 ;;
1686 arm*)
1687 add_cflags -mcpu=$cpu
1688 ;;
1689 *)
1690 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1691 ;;
1692 esac
1693 fi
1694
1695 # make sure we can execute files in $TMPDIR
1696 cat > $TMPSH 2>> $logfile <<EOF
1697 #! /bin/sh
1698 EOF
1699 chmod +x $TMPSH >> $logfile 2>&1
1700 if ! $TMPSH >> $logfile 2>&1; then
1701 cat <<EOF
1702 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1703 variable to another directory and make sure that it is not mounted noexec.
1704 EOF
1705 die "Sanity test failed."
1706 fi
1707 rm $TMPSH
1708
1709 # compiler sanity check
1710 check_exec <<EOF
1711 int main(void){ return 0; }
1712 EOF
1713 if test "$?" != 0; then
1714 echo "$cc is unable to create an executable file."
1715 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1716 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1717 echo "Only do this if you know what cross compiling means."
1718 fi
1719 die "C compiler test failed."
1720 fi
1721
1722 check_cc <<EOF || die "Symbol mangling check failed."
1723 int ff_extern;
1724 EOF
1725 sym=$($nm -P -g $TMPO | grep ff_extern)
1726 extern_prefix=${sym%%ff_extern*}
1727
1728 check_asm inline_asm '""'
1729
1730 if enabled x86; then
1731 # check whether EBP is available on x86
1732 # As 'i' is stored on the stack, this program will crash
1733 # if the base pointer is used to access it because the
1734 # base pointer is cleared in the inline assembly code.
1735 check_exec_crash <<EOF && enable ebp_available
1736 volatile int i=0;
1737 __asm__ volatile (
1738 "xorl %%ebp, %%ebp"
1739 ::: "%ebp");
1740 return i;
1741 EOF
1742
1743 # check wether EBX is available on x86
1744 check_asm ebx_available '"":::"%ebx"'
1745
1746 # check whether binutils is new enough to compile SSSE3/MMX2
1747 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1748 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1749
1750 check_asm bswap '"bswap %%eax" ::: "%eax"'
1751
1752 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1753 enabled x86_64 && append YASMFLAGS "-m amd64"
1754 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1755 case "$objformat" in
1756 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1757 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1758 *) append YASMFLAGS "-DPREFIX" ;;
1759 esac
1760 check_yasm "pabsw xmm0, xmm0" && enable yasm
1761 fi
1762
1763 # check for assembler specific support
1764
1765 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1766
1767 # check for SIMD availability
1768
1769 # AltiVec flags: The FSF version of GCC differs from the Apple version
1770 if enabled altivec; then
1771 check_cflags -maltivec -mabi=altivec &&
1772 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1773 check_cflags -faltivec
1774
1775 # check if our compiler supports Motorola AltiVec C API
1776 check_cc <<EOF || disable altivec
1777 $inc_altivec_h
1778 int main(void) {
1779 vector signed int v1, v2, v3;
1780 v1 = vec_add(v2,v3);
1781 return 0;
1782 }
1783 EOF
1784
1785 # check if our compiler supports braces for vector declarations
1786 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1787 $inc_altivec_h
1788 int main (void) { (vector int) {1}; return 0; }
1789 EOF
1790 fi
1791
1792 # We have to check if pld is a nop and disable it.
1793 enabled arm && check_asm pld '"pld [r0]"'
1794 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1795 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1796 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1797 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1798 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1799 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1800 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1801 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1802
1803 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1804
1805 # ---
1806 # big/little-endian test
1807 check_cc <<EOF || die "endian test failed"
1808 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1809 EOF
1810 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1811
1812 # ---
1813 # check availability of some header files
1814
1815 if check_func dlopen; then
1816 ldl=
1817 elif check_func dlopen -ldl; then
1818 ldl=-ldl
1819 fi
1820
1821 check_func fork
1822 check_func gethrtime
1823 check_func getrusage
1824 check_func inet_aton $network_extralibs
1825 check_func memalign
1826 check_func mkstemp
1827 check_func posix_memalign
1828 check_func_headers io.h setmode
1829 check_func_headers windows.h GetProcessTimes
1830
1831 check_header conio.h
1832 check_header dlfcn.h
1833 check_header malloc.h
1834 check_header poll.h
1835 check_header sys/mman.h
1836 check_header sys/resource.h
1837 check_header sys/select.h
1838 check_header termios.h
1839 check_header vdpau/vdpau.h
1840 check_header vdpau/vdpau_x11.h
1841 check_header X11/extensions/XvMClib.h
1842
1843 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1844 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1845 fi
1846
1847 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1848 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1849
1850 # check for some common methods of building with pthread support
1851 # do this before the optional library checks as some of them require pthreads
1852 if enabled pthreads; then
1853 if check_func pthread_create; then
1854 :
1855 elif check_func pthread_create -pthread; then
1856 add_cflags -pthread
1857 add_extralibs -pthread
1858 elif check_func pthread_create -pthreads; then
1859 add_cflags -pthreads
1860 add_extralibs -pthreads
1861 elif check_func pthread_create -lpthreadGC2; then
1862 add_extralibs -lpthreadGC2
1863 elif ! check_lib pthread.h pthread_create -lpthread; then
1864 die "ERROR: can't find pthreads library"
1865 fi
1866 fi
1867
1868 for thread in $THREADS_LIST; do
1869 if enabled $thread; then
1870 test -n "$thread_type" &&
1871 die "ERROR: Only one thread type must be selected." ||
1872 thread_type="$thread"
1873 fi
1874 done
1875
1876 check_lib math.h sin -lm
1877
1878 # test for C99 functions in math.h
1879 for func in llrint lrint lrintf round roundf truncf; do
1880 check_exec <<EOF && enable $func || disable $func
1881 #include <math.h>
1882 int main(void) { return ($func(3.999f) > 0)?0:1; }
1883 EOF
1884 done
1885
1886 # these are off by default, so fail if requested and not available
1887 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1888 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1889 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1890 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1891 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1892 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1893 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1894 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1895 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1896 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1897 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1898 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1899 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1900 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1901 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1902 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1903 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1904 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1905 die "ERROR: libx264 version must be >= 0.65."; }
1906 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1907 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1908
1909 # libdc1394 check
1910 if enabled libdc1394; then
1911 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1912 enable libdc1394_2; } ||
1913 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1914 enable libdc1394_1; } ||
1915 die "ERROR: No version of libdc1394 found "
1916 fi
1917
1918
1919 _restrict=
1920 for restrict_keyword in restrict __restrict__ __restrict; do
1921 check_cc <<EOF && _restrict=$restrict_keyword && break
1922 void foo(char * $restrict_keyword p);
1923 EOF
1924 done
1925
1926 test "$vhook" = "default" && vhook="$dlopen"
1927
1928 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1929 disable vhook
1930 echo
1931 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1932 echo "Patches welcome."
1933 echo
1934 fi
1935
1936 if enabled vhook; then
1937 check_ldflags -rdynamic
1938 check_ldflags -export-dynamic
1939 fi
1940
1941 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1942 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1943
1944 ##########################################
1945 # SDL check
1946
1947 disable sdl_too_old
1948 disable sdl
1949 SDL_CONFIG="${cross_prefix}sdl-config"
1950 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1951 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1952 temp_cflags $sdl_cflags
1953 temp_extralibs `"${SDL_CONFIG}" --libs`
1954 if check_lib2 SDL.h SDL_Init; then
1955 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1956 if test "$_sdlversion" -lt 121 ; then
1957 enable sdl_too_old
1958 else
1959 enable sdl
1960 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1961 #include <SDL.h>
1962 int main(int argc, char **argv){
1963 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1964 int w = vi->current_w;
1965 return 0;
1966 }
1967 EOF
1968 fi
1969 fi
1970 restore_flags
1971 fi
1972
1973 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1974
1975 ##########################################
1976 # Network check
1977
1978 if enabled network; then
1979 check_type "sys/types.h sys/socket.h" socklen_t
1980 # Prefer arpa/inet.h over winsock2
1981 if check_header arpa/inet.h ; then
1982 check_func closesocket
1983 elif check_header winsock2.h ; then
1984 network_extralibs="-lws2_32"
1985 check_type ws2tcpip.h socklen_t
1986 check_func_headers winsock2.h closesocket
1987 fi
1988 fi
1989
1990 ##########################################
1991 # IPv6 check
1992
1993 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1994 #include <sys/types.h>
1995 #include <sys/socket.h>
1996 #include <netinet/in.h>
1997 #include <netdb.h>
1998 int main(void) {
1999 struct sockaddr_storage saddr;
2000 struct ipv6_mreq mreq6;
2001 getaddrinfo(0,0,0,0);
2002 getnameinfo(0,0,0,0,0,0,0);
2003 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2004 }
2005 EOF
2006
2007 check_header linux/videodev.h
2008 check_header linux/videodev2.h
2009 check_header sys/videoio.h
2010
2011 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2012
2013 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2014 { check_header dev/bktr/ioctl_meteor.h &&
2015 check_header dev/bktr/ioctl_bt848.h; } ||
2016 { check_header machine/ioctl_meteor.h &&
2017 check_header machine/ioctl_bt848.h; } ||
2018 { check_header dev/video/meteor/ioctl_meteor.h &&
2019 check_header dev/video/bktr/ioctl_bt848.h; } ||
2020 check_header dev/ic/bt8xx.h
2021
2022 check_header sys/soundcard.h
2023 check_header soundcard.h
2024
2025 # deal with the X11 frame grabber
2026 enabled x11grab &&
2027 check_header X11/Xlib.h &&
2028 check_header X11/extensions/XShm.h &&
2029 check_func XOpenDisplay -lX11 &&
2030 check_func XShmCreateImage -lX11 -lXext
2031
2032 enabled debug && add_cflags -g"$debuglevel"
2033
2034 # add some useful compiler flags if supported
2035 check_cflags -Wdeclaration-after-statement
2036 check_cflags -Wall
2037 check_cflags -Wno-switch
2038 check_cflags -Wdisabled-optimization
2039 check_cflags -Wpointer-arith
2040 check_cflags -Wredundant-decls
2041 check_cflags -Wno-pointer-sign
2042 check_cflags -Wcast-qual
2043 check_cflags -Wwrite-strings
2044 check_cflags -Wtype-limits
2045 enabled extra_warnings && check_cflags -Winline
2046
2047 # add some linker flags
2048 check_ldflags -Wl,--warn-common
2049 check_ldflags -Wl,--as-needed
2050 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'
2051 check_ldflags -Wl,-Bsymbolic
2052
2053 if enabled small; then
2054 check_cflags -Os # not all compilers support -Os
2055 optimizations="small"
2056 elif enabled optimizations; then
2057 if $cc -v 2>&1 | grep -q xlc; then
2058 add_cflags -O5
2059 add_ldflags -O5
2060 else
2061 add_cflags -O3
2062 fi
2063 fi
2064 check_cflags -fno-math-errno
2065 check_cflags -fno-signed-zeros
2066
2067 # add some flags for Intel C Compiler
2068 if $cc --version 2> /dev/null | grep -q Intel; then
2069 # Just warnings, no remarks
2070 check_cflags -w1
2071 # -wd: Disable following warnings
2072 # 144, 167, 556: -Wno-pointer-sign
2073 # 10006: ignoring unknown option -fno-signed-zeros
2074 # 10156: ignoring option '-W'; no argument required
2075 check_cflags -wd144,167,556,10006,10156
2076 # 11030: Warning unknown option --as-needed
2077 # 10156: ignoring option '-export'; no argument required
2078 check_ldflags -wd10156,11030
2079 # Allow to compile with optimizations
2080 check_ldflags -march=$cpu
2081 fi
2082
2083 # PIC flags for shared library objects where they are needed
2084 if enabled shared; then
2085 # LIBOBJFLAGS may have already been set in the OS configuration
2086 if test -z "$LIBOBJFLAGS" ; then
2087 case "$arch" in
2088 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2089 esac
2090 fi
2091 fi
2092
2093 if enabled gprof; then
2094 add_cflags -p
2095 add_ldflags -p
2096 fi
2097
2098 VHOOKCFLAGS="-fPIC"
2099
2100 # Find out if the .align argument is a power of two or not.
2101 check_asm asmalign_pot '".align 3"'
2102
2103 enabled_any $DECODER_LIST && enable decoders
2104 enabled_any $ENCODER_LIST && enable encoders
2105 enabled_any $BSF_LIST && enable bsfs
2106 enabled_any $DEMUXER_LIST && enable demuxers
2107 enabled_any $MUXER_LIST && enable muxers
2108 enabled_any $FILTER_LIST && enable filters
2109 enabled_any $INDEV_LIST && enable demuxers
2110 enabled_any $OUTDEV_LIST && enable muxers
2111 enabled_any $PROTOCOL_LIST && enable protocols
2112
2113 enabled_any $THREADS_LIST && enable threads
2114
2115 check_deps $CONFIG_LIST \
2116 $CONFIG_EXTRA \
2117 $HAVE_LIST \
2118 $DECODER_LIST \
2119 $ENCODER_LIST \
2120 $PARSER_LIST \
2121 $BSF_LIST \
2122 $DEMUXER_LIST \
2123 $MUXER_LIST \
2124 $FILTER_LIST \
2125 $INDEV_LIST \
2126 $OUTDEV_LIST \
2127 $PROTOCOL_LIST \
2128
2129 echo "install prefix $prefix"
2130 echo "source path $source_path"
2131 echo "C compiler $cc"
2132 echo ".align is power-of-two $asmalign_pot"
2133 echo "ARCH $arch ($cpu)"
2134 if test "$build_suffix" != ""; then
2135 echo "build suffix $build_suffix"
2136 fi
2137 if test "$extra_version" != ""; then
2138 echo "version string suffix $extra_version"
2139 fi
2140 echo "big-endian ${bigendian-no}"
2141 if enabled x86; then
2142 echo "yasm ${yasm-no}"
2143 echo "MMX enabled ${mmx-no}"
2144 echo "SSE enabled ${sse-no}"
2145 echo "CMOV enabled ${cmov-no}"
2146 echo "CMOV is fast ${fast_cmov-no}"
2147 echo "EBX available ${ebx_available-no}"
2148 echo "EBP available ${ebp_available-no}"
2149 fi
2150 if enabled arm; then
2151 echo "ARMv5TE enabled ${armv5te-no}"
2152 echo "ARMv6 enabled ${armv6-no}"
2153 echo "ARMv6T2 enabled ${armv6t2-no}"
2154 echo "ARM VFP enabled ${armvfp-no}"
2155 echo "IWMMXT enabled ${iwmmxt-no}"
2156 echo "NEON enabled ${neon-no}"
2157 fi
2158 if enabled mips; then
2159 echo "MMI enabled ${mmi-no}"
2160 fi
2161 if enabled ppc; then
2162 echo "AltiVec enabled ${altivec-no}"
2163 echo "dcbzl available ${dcbzl-no}"
2164 fi
2165 echo "gprof enabled ${gprof-no}"
2166 echo "debug symbols ${debug-no}"
2167 echo "strip symbols ${stripping-no}"
2168 echo "optimizations ${optimizations-no}"
2169 echo "static ${static-no}"
2170 echo "shared ${shared-no}"
2171 echo "postprocessing support ${postproc-no}"
2172 echo "software scaler enabled ${swscale-no}"
2173 echo "new filter support ${avfilter-no}"
2174 echo "filters using lavformat ${avfilter_lavf-no}"
2175 echo "video hooking ${vhook-no}"
2176 if enabled vhook; then
2177 echo "Imlib2 support ${imlib2-no}"
2178 echo "FreeType support ${freetype2-no}"
2179 fi
2180 echo "network support ${network-no}"
2181 if enabled network; then
2182 echo "IPv6 support ${ipv6-no}"
2183 fi
2184 echo "threading support ${thread_type-no}"
2185 echo "SDL support ${sdl-no}"
2186 if enabled sdl_too_old; then
2187 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2188 fi
2189 echo "Sun medialib support ${mlib-no}"
2190 echo "AVISynth enabled ${avisynth-no}"
2191 echo "libamr-nb support ${libamr_nb-no}"
2192 echo "libamr-wb support ${libamr_wb-no}"
2193 echo "libdc1394 support ${libdc1394-no}"
2194 echo "libdirac enabled ${libdirac-no}"
2195 echo "libfaac enabled ${libfaac-no}"
2196 echo "libfaad enabled ${libfaad-no}"
2197 echo "libfaad dlopened ${libfaadbin-no}"
2198 echo "libgsm enabled ${libgsm-no}"
2199 echo "libmp3lame enabled ${libmp3lame-no}"
2200 echo "libnut enabled ${libnut-no}"
2201 echo "libschroedinger enabled ${libschroedinger-no}"
2202 echo "libspeex enabled ${libspeex-no}"
2203 echo "libtheora enabled ${libtheora-no}"
2204 echo "libvorbis enabled ${libvorbis-no}"
2205 echo "libx264 enabled ${libx264-no}"
2206 echo "libxvid enabled ${libxvid-no}"
2207 echo "vdpau enabled ${vdpau-no}"
2208 echo "zlib enabled ${zlib-no}"
2209 echo "bzlib enabled ${bzlib-no}"
2210 echo
2211
2212 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2213 echo "Enabled ${type}s:"
2214 eval list=\$$(toupper $type)_LIST
2215 for part in $list; do
2216 enabled $part && echo ${part%_*}
2217 done | sort | pr -3 -t
2218 echo
2219 done
2220
2221 license="LGPL"
2222 if enabled nonfree; then
2223 license="unredistributable"
2224 elif enabled gpl; then
2225 license="GPL"
2226 fi
2227
2228 echo "License: $license"
2229
2230 echo "Creating config.mak and config.h..."
2231
2232 echo "# Automatically generated by configure - do not modify!" > config.mak
2233 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2234 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2235 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2236 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2237
2238 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2239 echo "prefix=$prefix" >> config.mak
2240 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2241 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2242 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2243 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2244 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2245 echo "CC=$cc" >> config.mak
2246 echo "YASM=$yasmexe" >> config.mak
2247 echo "AR=$ar" >> config.mak
2248 echo "RANLIB=$ranlib" >> config.mak
2249 echo "LN_S=$ln_s" >> config.mak
2250 enabled stripping &&
2251 echo "STRIP=$strip" >> config.mak ||
2252 echo "STRIP=echo ignoring strip" >> config.mak
2253
2254 echo "OPTFLAGS=$CFLAGS" >> config.mak
2255 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2256 echo "LDFLAGS=$LDFLAGS" >> config.mak
2257 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2258 echo "SHFLAGS=$SHFLAGS" >> config.mak
2259 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2260 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2261 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2262 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2263 echo "BUILD_STATIC=$static" >> config.mak
2264 echo "BUILDSUF=$build_suffix" >> config.mak
2265 echo "FULLNAME=$FULLNAME" >> config.mak
2266 echo "LIBPREF=$LIBPREF" >> config.mak
2267 echo "LIBSUF=$LIBSUF" >> config.mak
2268 echo "LIBNAME=$LIBNAME" >> config.mak
2269 echo "SLIBPREF=$SLIBPREF" >> config.mak
2270 echo "SLIBSUF=$SLIBSUF" >> config.mak
2271 echo "EXESUF=$EXESUF" >> config.mak
2272 echo "EXTRA_VERSION=$extra_version" >> config.mak
2273 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2274 echo "HOSTCC=$host_cc" >> config.mak
2275 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2276 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2277 echo "HOSTLIBS=$host_libs" >> config.mak
2278 echo "TARGET_EXEC=$target_exec" >> config.mak
2279 echo "TARGET_PATH=$target_path" >> config.mak
2280
2281 if enabled bigendian; then
2282 echo "WORDS_BIGENDIAN=yes" >> config.mak
2283 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2284 fi
2285
2286 if enabled sdl; then
2287 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2288 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2289 fi
2290 if enabled texi2html; then
2291 echo "BUILD_DOC=yes" >> config.mak
2292 fi
2293
2294 get_version(){
2295 name=$1
2296 file=$source_path/$2
2297 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2298 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2299 lcname=$(tolower $name)
2300 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2301 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2302 }
2303
2304 get_version LIBSWSCALE libswscale/swscale.h
2305 get_version LIBPOSTPROC libpostproc/postprocess.h
2306 get_version LIBAVCODEC libavcodec/avcodec.h
2307 get_version LIBAVDEVICE libavdevice/avdevice.h
2308 get_version LIBAVFORMAT libavformat/avformat.h
2309 get_version LIBAVUTIL libavutil/avutil.h
2310 get_version LIBAVFILTER libavfilter/avfilter.h
2311
2312 if enabled shared; then
2313 echo "BUILD_SHARED=yes" >> config.mak
2314 echo "PIC=-fPIC -DPIC" >> config.mak
2315 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2316 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2317 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2318 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2319 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2320 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2321 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2322 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2323 fi
2324 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2325 echo "EXTRALIBS=$extralibs" >> config.mak
2326
2327 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2328 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2329 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2330 $CONFIG_EXTRA \
2331 $DECODER_LIST \
2332 $ENCODER_LIST \
2333 $PARSER_LIST \
2334 $BSF_LIST \
2335 $DEMUXER_LIST \
2336 $MUXER_LIST \
2337 $FILTER_LIST \
2338 $PROTOCOL_LIST \
2339 $INDEV_LIST \
2340 $OUTDEV_LIST \
2341
2342 echo "#define restrict $_restrict" >> $TMPH
2343
2344 if enabled small; then
2345 echo "#define av_always_inline" >> $TMPH
2346 fi
2347
2348 echo "SRC_PATH=\"$source_path\"" >> config.mak
2349 echo "SRC_PATH_BARE=$source_path" >> config.mak
2350 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2351
2352 # Apparently it's not possible to portably echo a backslash.
2353 enabled asmalign_pot &&
2354 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2355 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2356
2357 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2358
2359 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2360
2361 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2362 cmp -s $TMPH config.h &&
2363 echo "config.h is unchanged" ||
2364 mv -f $TMPH config.h
2365
2366 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2367
2368 # build tree in object directory if source path is different from current one
2369 if enabled source_path_used; then
2370 DIRS="\
2371 doc \
2372 libavcodec \
2373 libavcodec/alpha \
2374 libavcodec/arm \
2375 libavcodec/bfin \
2376 libavcodec/mlib \
2377 libavcodec/ppc \
2378 libavcodec/sh4 \
2379 libavcodec/sparc \
2380 libavcodec/x86 \
2381 libavdevice \
2382 libavfilter \
2383 libavformat \
2384 libavutil \
2385 libpostproc \
2386 libswscale \
2387 tests \
2388 tools \
2389 vhook \
2390 "
2391 FILES="\
2392 Makefile \
2393 common.mak \
2394 subdir.mak \
2395 doc/texi2pod.pl \
2396 libavcodec/Makefile \
2397 libavdevice/Makefile \
2398 libavfilter/Makefile \
2399 libavformat/Makefile \
2400 libavutil/Makefile \
2401 libpostproc/Makefile \
2402 libswscale/Makefile \
2403 "
2404 for dir in $DIRS ; do
2405 mkdir -p $dir
2406 done
2407 for f in $FILES ; do
2408 $ln_s "$source_path/$f" $f
2409 done
2410 fi
2411
2412
2413 # build pkg-config files
2414
2415 pkgconfig_generate(){
2416 name=$1
2417 shortname=${name#lib}${build_suffix}
2418 comment=$2
2419 version=$3
2420 libs=$4
2421 requires=$5
2422 cat <<EOF > $name/$name.pc
2423 prefix=$prefix
2424 exec_prefix=\${prefix}
2425 libdir=$libdir
2426 includedir=$incdir
2427
2428 Name: $name
2429 Description: $comment
2430 Version: $version
2431 Requires: $(disabled shared && echo $requires)
2432 Requires.private: $(enabled shared && echo $requires)
2433 Conflicts:
2434 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2435 Libs.private: $(enabled shared && echo $libs)
2436 Cflags: -I\${includedir}
2437 EOF
2438 cat <<EOF > $name/$name-uninstalled.pc
2439 prefix=
2440 exec_prefix=
2441 libdir=\${pcfiledir}
2442 includedir=${source_path}
2443
2444 Name: $name
2445 Description: $comment
2446 Version: $version
2447 Requires: $requires
2448 Conflicts:
2449 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2450 Cflags: -I\${includedir}
2451 EOF
2452 }
2453
2454 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2455 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2456 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2457 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2458 enabled avfilter &&
2459 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2460 enabled postproc &&
2461 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2462 if enabled swscale; then
2463 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2464 else
2465 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2466 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2467 fi