9111278a344063bcfae9bdd36d31d99dbe2cbdd4
[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 " --enable-xvmc enable XvMC support [no]"
90 echo
91 echo "External library support:"
92 echo " --enable-mlib enable Sun medialib [no]"
93 echo " --enable-avisynth enable reading of AVISynth script files [no]"
94 echo " --enable-bzlib enable bzlib [no]"
95 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
96 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
97 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
98 echo " and libraw1394 [no]"
99 echo " --enable-libdirac enable Dirac support via libdirac [no]"
100 echo " --enable-libfaac enable FAAC support via libfaac [no]"
101 echo " --enable-libfaad enable FAAD support via libfaad [no]"
102 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
103 echo " --enable-libgsm enable GSM support via libgsm [no]"
104 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
105 echo " --enable-libnut enable NUT (de)muxing via libnut,"
106 echo " native (de)muxer exists [no]"
107 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
108 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
109 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
110 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
111 echo " native implementation exists [no]"
112 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
113 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
114 echo " native MPEG-4/Xvid encoder exists [no]"
115 echo " --enable-zlib enable zlib [no]"
116 echo ""
117 echo "Advanced options (experts only):"
118 echo " --source-path=PATH path to source code [$source_path]"
119 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
120 echo " --enable-cross-compile assume a cross-compiler is used"
121 echo " --target-os=OS compiler targets OS [$target_os]"
122 echo " --target-exec=CMD command to run executables on target"
123 echo " --target-path=DIR path to view of build directory on target"
124 echo " --nm=NM use nm tool"
125 echo " --cc=CC use C compiler CC [$cc]"
126 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
127 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
128 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
129 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
130 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
131 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
132 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
133 echo " --extra-version=STRING version string suffix []"
134 echo " --build-suffix=SUFFIX library name suffix []"
135 echo " --arch=ARCH select architecture [$arch]"
136 echo " --cpu=CPU select the minimum required CPU (affects"
137 echo " instruction selection, may crash on older CPUs)"
138 echo " --enable-powerpc-perf enable performance report on PPC"
139 echo " (requires enabling PMC)"
140 echo " --disable-altivec disable AltiVec optimizations"
141 echo " --disable-mmx disable MMX optimizations"
142 echo " --disable-mmx2 disable MMX2 optimizations"
143 echo " --disable-ssse3 disable SSSE3 optimizations"
144 echo " --disable-armv5te disable armv5te optimizations"
145 echo " --disable-armv6 disable armv6 optimizations"
146 echo " --disable-armvfp disable ARM VFP optimizations"
147 echo " --disable-iwmmxt disable iwmmxt optimizations"
148 echo " --disable-mmi disable MMI optimizations"
149 echo " --disable-neon disable neon optimizations"
150 echo " --disable-vis disable VIS optimizations"
151 echo " --disable-network disable network support [no]"
152 echo " --disable-ipv6 disable IPv6 support [no]"
153 echo " --disable-mpegaudio-hp faster (but less accurate)"
154 echo " MPEG audio decoding [no]"
155 echo " --disable-aandct disable AAN DCT code"
156 echo " --disable-fft disable FFT code"
157 echo " --disable-golomb disable Golomb code"
158 echo " --disable-mdct disable MDCT code"
159 echo " --enable-gray enable full grayscale support (slower color)"
160 echo " --disable-ffmpeg disable ffmpeg build"
161 echo " --disable-ffplay disable ffplay build"
162 echo " --disable-ffserver disable ffserver build"
163 echo " --enable-small optimize for size instead of speed"
164 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
165 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
166 echo " --enable-beos-netserver enable BeOS netserver"
167 echo " --disable-encoder=NAME disable encoder NAME"
168 echo " --enable-encoder=NAME enable encoder NAME"
169 echo " --disable-encoders disable all encoders"
170 echo " --disable-decoder=NAME disable decoder NAME"
171 echo " --enable-decoder=NAME enable decoder NAME"
172 echo " --disable-decoders disable all decoders"
173 echo " --disable-muxer=NAME disable muxer NAME"
174 echo " --enable-muxer=NAME enable muxer NAME"
175 echo " --disable-muxers disable all muxers"
176 echo " --disable-demuxer=NAME disable demuxer NAME"
177 echo " --enable-demuxer=NAME enable demuxer NAME"
178 echo " --disable-demuxers disable all demuxers"
179 echo " --enable-parser=NAME enable parser NAME"
180 echo " --disable-parser=NAME disable parser NAME"
181 echo " --disable-parsers disable all parsers"
182 echo " --enable-bsf=NAME enable bitstream filter NAME"
183 echo " --disable-bsf=NAME disable bitstream filter NAME"
184 echo " --disable-bsfs disable all bitstream filters"
185 echo " --enable-protocol=NAME enable protocol NAME"
186 echo " --disable-protocol=NAME disable protocol NAME"
187 echo " --disable-protocols disable all protocols"
188 echo " --disable-indevs disable input devices"
189 echo " --disable-outdevs disable output devices"
190 echo " --disable-devices disable all devices"
191 echo " --enable-filter=NAME enable filter NAME"
192 echo " --disable-filter=NAME disable filter NAME"
193 echo " --disable-filters disable all filters"
194 echo " --list-decoders show all available decoders"
195 echo " --list-encoders show all available encoders"
196 echo " --list-muxers show all available muxers"
197 echo " --list-demuxers show all available demuxers"
198 echo " --list-parsers show all available parsers"
199 echo " --list-protocols show all available protocols"
200 echo " --list-bsfs show all available bitstream filters"
201 echo " --list-indevs show all available input devices"
202 echo " --list-outdevs show all available output devices"
203 echo " --list-filters show all available filters"
204 echo
205 echo "Developer options (useful when working on FFmpeg itself):"
206 echo " --disable-debug disable debugging symbols"
207 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
208 echo " --enable-gprof enable profiling with gprof [$gprof]"
209 echo " --disable-optimizations disable compiler optimizations"
210 echo " --enable-extra-warnings enable more compiler warnings"
211 echo " --disable-stripping disable stripping of executables and shared libraries"
212 echo ""
213 echo "NOTE: Object files are built at the place where configure is launched."
214 exit 0
215 }
216
217 log(){
218 echo "$@" >> $logfile
219 }
220
221 log_file(){
222 log BEGIN $1
223 pr -n -t $1 >> $logfile
224 log END $1
225 }
226
227 echolog(){
228 log "$@"
229 echo "$@"
230 }
231
232 die(){
233 echolog "$@"
234 cat <<EOF
235 If you think configure made a mistake, make sure you are using the latest
236 version from SVN. If the latest version fails, report the problem to the
237 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
238 EOF
239 if disabled logging; then
240 cat <<EOF
241 Rerun configure with logging enabled (do not use --disable-logging), and
242 include the log this produces with your report.
243 EOF
244 else
245 cat <<EOF
246 Include the log file "$logfile" produced by configure as this will help
247 solving the problem.
248 EOF
249 fi
250 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
251 exit 1
252 }
253
254 # Avoid locale weirdness, besides we really just want to translate ASCII.
255 toupper(){
256 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
257 }
258
259 tolower(){
260 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
261 }
262
263 set_all(){
264 value=$1
265 shift
266 for var in $*; do
267 eval $var=$value
268 done
269 }
270
271 set_weak(){
272 value=$1
273 shift
274 for var; do
275 eval : \${$var:=$value}
276 done
277 }
278
279 pushvar(){
280 for var in $*; do
281 eval level=\${${var}_level:=0}
282 eval ${var}_${level}="\$$var"
283 eval ${var}_level=$(($level+1))
284 done
285 }
286
287 popvar(){
288 for var in $*; do
289 eval level=\${${var}_level:-0}
290 test $level = 0 && continue
291 eval level=$(($level-1))
292 eval $var="\${${var}_${level}}"
293 eval ${var}_level=$level
294 eval unset ${var}_${level}
295 done
296 }
297
298 enable(){
299 set_all yes $*
300 }
301
302 disable(){
303 set_all no $*
304 }
305
306 enable_weak(){
307 set_weak yes $*
308 }
309
310 disable_weak(){
311 set_weak no $*
312 }
313
314 do_enable_deep(){
315 for var; do
316 enabled $var && continue
317 eval sel="\$${var}_select"
318 eval sgs="\$${var}_suggest"
319 pushvar var sgs
320 enable_deep $sel
321 popvar sgs
322 enable_deep_weak $sgs
323 popvar var
324 done
325 }
326
327 enable_deep(){
328 do_enable_deep $*
329 enable $*
330 }
331
332 enable_deep_weak(){
333 do_enable_deep $*
334 enable_weak $*
335 }
336
337 enabled(){
338 test "${1#!}" = "$1" && op== || op=!=
339 eval test "x\$${1#!}" $op "xyes"
340 }
341
342 disabled(){
343 test "${1#!}" = "$1" && op== || op=!=
344 eval test "x\$${1#!}" $op "xno"
345 }
346
347 enabled_all(){
348 for opt; do
349 enabled $opt || return 1
350 done
351 }
352
353 disabled_all(){
354 for opt; do
355 disabled $opt || return 1
356 done
357 }
358
359 enabled_any(){
360 for opt; do
361 enabled $opt && return 0
362 done
363 }
364
365 disabled_any(){
366 for opt; do
367 disabled $opt && return 0
368 done
369 return 1
370 }
371
372 set_default(){
373 for opt; do
374 eval : \${$opt:=\$${opt}_default}
375 done
376 }
377
378 is_in(){
379 value=$1
380 shift
381 for var in $*; do
382 [ $var = $value ] && return 0
383 done
384 return 1
385 }
386
387 check_deps(){
388 for cfg; do
389 cfg="${cfg#!}"
390 enabled ${cfg}_checking && die "Circular dependency for $cfg."
391 disabled ${cfg}_checking && continue
392 enable ${cfg}_checking
393
394 eval dep_all="\$${cfg}_deps"
395 eval dep_any="\$${cfg}_deps_any"
396 eval dep_sel="\$${cfg}_select"
397 eval dep_sgs="\$${cfg}_suggest"
398
399 pushvar cfg dep_all dep_any dep_sel dep_sgs
400 check_deps $dep_all $dep_any $dep_sel $dep_sgs
401 popvar cfg dep_all dep_any dep_sel dep_sgs
402
403 enabled_all $dep_all || disable $cfg
404 enabled_any $dep_any || disable $cfg
405 disabled_any $dep_sel && disable $cfg
406
407 if enabled $cfg; then
408 eval dep_extralibs="\$${cfg}_extralibs"
409 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
410 enable_deep $dep_sel
411 enable_deep_weak $dep_sgs
412 fi
413
414 disable ${cfg}_checking
415 done
416 }
417
418 print_config(){
419 pfx=$1
420 header=$2
421 makefile=$3
422 shift 3
423 for cfg; do
424 ucname="`toupper $cfg`"
425 if enabled $cfg; then
426 echo "#define ${pfx}${ucname} 1" >> $header
427 echo "#define ENABLE_${ucname} 1" >> $header
428 echo "${pfx}${ucname}=yes" >> $makefile
429 else
430 echo "#define ENABLE_${ucname} 0" >> $header
431 fi
432 done
433 }
434
435 flags_saved(){
436 (: ${SAVE_CFLAGS?}) 2> /dev/null
437 }
438
439 save_flags(){
440 flags_saved && return
441 SAVE_CFLAGS="$CFLAGS"
442 SAVE_LDFLAGS="$LDFLAGS"
443 SAVE_extralibs="$extralibs"
444 }
445
446 restore_flags(){
447 flags_saved || return
448 CFLAGS="$SAVE_CFLAGS"
449 LDFLAGS="$SAVE_LDFLAGS"
450 extralibs="$SAVE_extralibs"
451 unset SAVE_CFLAGS
452 unset SAVE_LDFLAGS
453 unset SAVE_extralibs
454 }
455
456 temp_cflags(){
457 save_flags
458 CFLAGS="$CFLAGS $*"
459 }
460
461 temp_ldflags(){
462 save_flags
463 LDFLAGS="$LDFLAGS $*"
464 }
465
466 temp_extralibs(){
467 save_flags
468 extralibs="$extralibs $*"
469 }
470
471 append(){
472 var=$1
473 shift
474 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
475 eval "$var=\"\$$var $*\""
476 }
477
478 add_cflags(){
479 append CFLAGS "$@"
480 }
481
482 add_ldflags(){
483 append LDFLAGS "$@"
484 }
485
486 add_extralibs(){
487 append extralibs "$@"
488 }
489
490 check_cmd(){
491 log "$@"
492 "$@" >> $logfile 2>&1
493 }
494
495 check_cc(){
496 log check_cc "$@"
497 cat > $TMPC
498 log_file $TMPC
499 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
500 }
501
502 check_cpp(){
503 log check_cpp "$@"
504 cat > $TMPC
505 log_file $TMPC
506 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
507 }
508
509 check_asm(){
510 log check_asm "$@"
511 name="$1"
512 asm="$2"
513 shift 2
514 check_cc "$@" <<EOF && enable $name || disable $name
515 void foo(void){ __asm__ volatile($asm); }
516 EOF
517 }
518
519 check_yasm(){
520 log check_yasm "$@"
521 echo "$1" > $TMPS
522 log_file $TMPS
523 shift 1
524 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
525 }
526
527 check_ld(){
528 log check_ld "$@"
529 check_cc || return
530 flags=''
531 libs=''
532 for f; do
533 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
534 done
535 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
536 }
537
538 check_cflags(){
539 log check_cflags "$@"
540 check_cc "$@" <<EOF && add_cflags "$@"
541 int x;
542 EOF
543 }
544
545 check_ldflags(){
546 log check_ldflags "$@"
547 check_ld "$@" <<EOF && add_ldflags "$@"
548 int main(void){ return 0; }
549 EOF
550 }
551
552 check_header(){
553 log check_header "$@"
554 header=$1
555 shift
556 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
557 disable $var
558 check_cpp "$@" <<EOF && enable $var
559 #include <$header>
560 int x;
561 EOF
562 }
563
564 check_func(){
565 log check_func "$@"
566 func=$1
567 shift
568 disable $func
569 check_ld "$@" <<EOF && enable $func
570 extern int $func();
571 int main(void){ $func(); }
572 EOF
573 }
574
575 check_func_headers(){
576 log check_func_headers "$@"
577 headers=$1
578 func=$2
579 shift 2
580 disable $func
581 incs=""
582 for hdr in $headers; do
583 incs="$incs
584 #include <$hdr>"
585 done
586 check_ld "$@" <<EOF && enable $func
587 $incs
588 int main(int argc, char **argv){
589 (void) $func;
590 return 0;
591 }
592 EOF
593 }
594
595 check_cpp_condition(){
596 log check_cpp_condition "$@"
597 header=$1
598 condition=$2
599 check_cpp <<EOF
600 #include <$header>
601 #if !($condition)
602 #error "unsatisfied condition: $condition"
603 #endif
604 EOF
605 }
606
607 check_lib(){
608 log check_lib "$@"
609 header="$1"
610 func="$2"
611 shift 2
612 temp_extralibs "$@"
613 check_header $header && check_func $func && add_extralibs "$@"
614 err=$?
615 restore_flags
616 return $err
617 }
618
619 check_lib2(){
620 log check_lib2 "$@"
621 headers="$1"
622 func="$2"
623 shift 2
624 temp_extralibs "$@"
625 check_func_headers "$headers" $func && add_extralibs "$@"
626 err=$?
627 restore_flags
628 return $err
629 }
630
631 check_exec(){
632 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
633 }
634
635 check_exec_crash(){
636 code=`cat`
637
638 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
639 # are safe but may not be available everywhere. Thus we use
640 # raise(SIGTERM) instead. The check is run in a subshell so we
641 # can redirect the "Terminated" message from the shell. SIGBUS
642 # is not defined by standard C so it is used conditionally.
643
644 (check_exec "$@") >> $logfile 2>&1 <<EOF
645 #include <signal.h>
646 static void sighandler(int sig){
647 raise(SIGTERM);
648 }
649 int main(void){
650 signal(SIGILL, sighandler);
651 signal(SIGFPE, sighandler);
652 signal(SIGSEGV, sighandler);
653 #ifdef SIGBUS
654 signal(SIGBUS, sighandler);
655 #endif
656 { $code }
657 }
658 EOF
659 }
660
661 check_type(){
662 log check_type "$@"
663 headers=$1
664 type=$2
665 shift 2
666 disable $type
667 incs=""
668 for hdr in $headers; do
669 incs="$incs
670 #include <$hdr>"
671 done
672 check_cc "$@" <<EOF && enable $type
673 $incs
674 $type v;
675 EOF
676 }
677
678 require(){
679 name="$1"
680 header="$2"
681 func="$3"
682 shift 3
683 check_lib $header $func "$@" || die "ERROR: $name not found"
684 }
685
686 require2(){
687 name="$1"
688 headers="$2"
689 func="$3"
690 shift 3
691 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
692 }
693
694 check_foo_config(){
695 cfg=$1
696 pkg=$2
697 header=$3
698 func=$4
699 shift 4
700 disable $cfg
701 check_cmd ${pkg}-config --version
702 err=$?
703 if test "$err" = 0; then
704 temp_cflags `${pkg}-config --cflags`
705 temp_extralibs `${pkg}-config --libs`
706 check_lib "$@" $header $func && enable $cfg
707 fi
708 return $err
709 }
710
711 apply(){
712 file=$1
713 shift
714 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
715 }
716
717 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
718 # system-dependent things.
719
720 COMPONENT_LIST="
721 bsfs
722 decoders
723 demuxers
724 encoders
725 filters
726 indevs
727 muxers
728 outdevs
729 parsers
730 protocols
731 "
732
733 CONFIG_LIST="
734 $COMPONENT_LIST
735 aandct
736 avfilter
737 avfilter_lavf
738 avisynth
739 beos_netserver
740 bzlib
741 ffmpeg
742 ffplay
743 ffserver
744 fft
745 golomb
746 gpl
747 gprof
748 gray
749 hardcoded_tables
750 ipv6
751 libamr_nb
752 libamr_wb
753 libdc1394
754 libdirac
755 libfaac
756 libfaad
757 libfaadbin
758 libgsm
759 libmp3lame
760 libnut
761 libschroedinger
762 libspeex
763 libtheora
764 libvorbis
765 libx264
766 libxvid
767 mdct
768 memalign_hack
769 mlib
770 mpegaudio_hp
771 network
772 nonfree
773 postproc
774 powerpc_perf
775 small
776 swscale
777 vhook
778 x11grab
779 xvmc
780 zlib
781 "
782
783 THREADS_LIST='
784 beosthreads
785 os2threads
786 pthreads
787 w32threads
788 '
789
790 ARCH_LIST='
791 alpha
792 arm
793 bfin
794 ia64
795 m68k
796 mips
797 parisc
798 ppc
799 s390
800 sh4
801 sparc
802 sparc64
803 x86
804 x86_32
805 x86_64
806 '
807
808 ARCH_EXT_LIST='
809 altivec
810 armv5te
811 armv6
812 armv6t2
813 armvfp
814 iwmmxt
815 mmi
816 mmx
817 mmx2
818 neon
819 ssse3
820 vis
821 '
822
823 HAVE_LIST="
824 $ARCH_EXT_LIST
825 $THREADS_LIST
826 altivec_h
827 arpa_inet_h
828 bswap
829 closesocket
830 cmov
831 conio_h
832 dcbzl
833 dev_bktr_ioctl_bt848_h
834 dev_bktr_ioctl_meteor_h
835 dev_ic_bt8xx_h
836 dev_video_meteor_ioctl_meteor_h
837 dev_video_bktr_ioctl_bt848_h
838 dlfcn_h
839 dlopen
840 dos_paths
841 ebp_available
842 ebx_available
843 fast_64bit
844 fast_cmov
845 fast_unaligned
846 fork
847 freetype2
848 gethrtime
849 GetProcessTimes
850 getrusage
851 imlib2
852 inet_aton
853 inline_asm
854 libdc1394_1
855 libdc1394_2
856 llrint
857 lrint
858 lrintf
859 machine_ioctl_bt848_h
860 machine_ioctl_meteor_h
861 malloc_h
862 memalign
863 mkstemp
864 pld
865 ppc64
866 round
867 roundf
868 sdl
869 sdl_video_size
870 socklen_t
871 soundcard_h
872 poll_h
873 sys_mman_h
874 sys_resource_h
875 sys_select_h
876 sys_soundcard_h
877 sys_videoio_h
878 termios_h
879 threads
880 winsock2_h
881 yasm
882 "
883
884 # options emitted with CONFIG_ prefix but not available on command line
885 CONFIG_EXTRA="
886 fft_mmx
887 oldscaler
888 "
889
890 CMDLINE_SELECT="
891 $ARCH_EXT_LIST
892 $CONFIG_LIST
893 $THREADS_LIST
894 cross_compile
895 debug
896 extra_warnings
897 logging
898 optimizations
899 shared
900 static
901 stripping
902 "
903
904 PATHS_LIST='
905 bindir
906 incdir
907 libdir
908 mandir
909 prefix
910 shlibdir
911 '
912
913 CMDLINE_SET="
914 $PATHS_LIST
915 arch
916 build_suffix
917 cc
918 cpu
919 cross_prefix
920 extra_version
921 host_cc
922 host_cflags
923 host_ldflags
924 host_libs
925 logfile
926 nm
927 source_path
928 target_exec
929 target_os
930 target_path
931 "
932
933 # code dependency declarations
934
935 # architecture extensions
936 altivec_deps="ppc"
937 armv5te_deps="arm"
938 armv6_deps="arm"
939 armv6t2_deps="arm"
940 armvfp_deps="arm"
941 iwmmxt_deps="arm"
942 mmi_deps="mips"
943 mmx_deps="x86"
944 mmx2_deps="x86 mmx"
945 neon_deps="arm"
946 ssse3_deps="x86"
947 vis_deps="sparc"
948
949 # common features
950 fft_suggest="fft_mmx"
951 fft_mmx_deps="mmx yasm"
952 oldscaler_deps="!swscale"
953
954 # decoders / encoders
955 aac_decoder_select="fft mdct"
956 ac3_decoder_deps="gpl"
957 ac3_decoder_select="fft mdct"
958 atrac3_decoder_select="fft mdct"
959 cavs_decoder_select="golomb"
960 cook_decoder_select="fft mdct"
961 cscd_decoder_suggest="zlib"
962 dca_decoder_select="fft mdct"
963 dnxhd_encoder_select="aandct"
964 dxa_decoder_select="zlib"
965 eac3_decoder_deps="gpl"
966 eac3_decoder_select="fft mdct"
967 eatgq_decoder_select="aandct"
968 ffv1_decoder_select="golomb"
969 flac_decoder_select="golomb"
970 flac_encoder_select="golomb"
971 flashsv_decoder_select="zlib"
972 flashsv_encoder_select="zlib"
973 flv_encoder_select="aandct"
974 h261_encoder_select="aandct"
975 h263_encoder_select="aandct"
976 h263p_encoder_select="aandct"
977 h264_decoder_select="golomb"
978 imc_decoder_select="fft mdct"
979 jpegls_decoder_select="golomb"
980 jpegls_encoder_select="golomb"
981 ljpeg_encoder_select="aandct"
982 loco_decoder_select="golomb"
983 mjpeg_encoder_select="aandct"
984 mpeg1video_encoder_select="aandct"
985 mpeg2video_encoder_select="aandct"
986 mpeg4_encoder_select="aandct"
987 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
988 msmpeg4v1_encoder_select="aandct"
989 msmpeg4v2_encoder_select="aandct"
990 msmpeg4v3_encoder_select="aandct"
991 nellymoser_decoder_select="fft mdct"
992 nellymoser_encoder_select="fft mdct"
993 png_decoder_select="zlib"
994 png_encoder_select="zlib"
995 qdm2_decoder_select="fft mdct"
996 rv10_encoder_select="aandct"
997 rv20_encoder_select="aandct"
998 shorten_decoder_select="golomb"
999 sonic_decoder_select="golomb"
1000 sonic_encoder_select="golomb"
1001 sonic_ls_encoder_select="golomb"
1002 svq3_decoder_select="golomb"
1003 svq3_decoder_suggest="zlib"
1004 tiff_decoder_suggest="zlib"
1005 tiff_encoder_suggest="zlib"
1006 tscc_decoder_select="zlib"
1007 vorbis_decoder_select="fft mdct"
1008 vorbis_encoder_select="fft mdct"
1009 wmav1_decoder_select="fft mdct"
1010 wmav1_encoder_select="fft mdct"
1011 wmav2_decoder_select="fft mdct"
1012 wmav2_encoder_select="fft mdct"
1013 wmv1_encoder_select="aandct"
1014 wmv2_encoder_select="aandct"
1015 zlib_decoder_select="zlib"
1016 zlib_encoder_select="zlib"
1017 zmbv_decoder_select="zlib"
1018 zmbv_encoder_select="zlib"
1019
1020 # external libraries
1021 libamr_nb_decoder_deps="libamr_nb"
1022 libamr_nb_encoder_deps="libamr_nb"
1023 libamr_wb_decoder_deps="libamr_wb"
1024 libamr_wb_encoder_deps="libamr_wb"
1025 libdirac_decoder_deps="libdirac !libschroedinger"
1026 libdirac_encoder_deps="libdirac"
1027 libfaac_encoder_deps="libfaac"
1028 libfaad_decoder_deps="libfaad"
1029 libfaadbin_decoder_extralibs='$ldl'
1030 libgsm_decoder_deps="libgsm"
1031 libgsm_encoder_deps="libgsm"
1032 libgsm_ms_decoder_deps="libgsm"
1033 libgsm_ms_encoder_deps="libgsm"
1034 libmp3lame_encoder_deps="libmp3lame"
1035 libschroedinger_decoder_deps="libschroedinger"
1036 libschroedinger_encoder_deps="libschroedinger"
1037 libspeex_decoder_deps="libspeex"
1038 libtheora_encoder_deps="libtheora"
1039 libvorbis_encoder_deps="libvorbis"
1040 libx264_encoder_deps="libx264"
1041 libxvid_encoder_deps="libxvid"
1042 mpeg4aac_decoder_deps="libfaad"
1043
1044 # demuxers / muxers
1045 ac3_demuxer_deps="ac3_parser"
1046 audio_beos_demuxer_deps="audio_beos"
1047 audio_beos_demuxer_extralibs="-lmedia -lbe"
1048 audio_beos_muxer_deps="audio_beos"
1049 audio_beos_muxer_extralibs="-lmedia -lbe"
1050 avisynth_demuxer_deps="avisynth"
1051 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1052 dirac_demuxer_deps="dirac_parser"
1053 dv1394_demuxer_deps="dv1394 dv_demuxer"
1054 libdc1394_demuxer_deps="libdc1394"
1055 libnut_demuxer_deps="libnut"
1056 libnut_muxer_deps="libnut"
1057 matroska_demuxer_suggest="zlib bzlib"
1058 mov_demuxer_suggest="zlib"
1059 mp3_demuxer_deps="mpegaudio_parser"
1060 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1061 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1062 redir_demuxer_deps="network"
1063 rtp_muxer_deps="network rtp_protocol"
1064 rtsp_demuxer_deps="sdp_demuxer"
1065 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1066 v4l_demuxer_deps="linux_videodev_h"
1067 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1068 vfwcap_demuxer_deps="capCreateCaptureWindow"
1069 vfwcap_demuxer_extralibs="-lvfw32"
1070 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1071 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1072
1073 # protocols
1074 http_protocol_deps="network"
1075 rtp_protocol_deps="udp_protocol"
1076 tcp_protocol_deps="network"
1077 udp_protocol_deps="network"
1078
1079 # filters
1080 movie_filter_deps="avfilter_lavf"
1081
1082 # programs
1083 ffplay_deps="sdl"
1084 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1085 ffserver_extralibs='$ldl'
1086 vhook_extralibs='$ldl'
1087
1088
1089 # default parameters
1090
1091 logfile="config.err"
1092
1093 # installation paths
1094 prefix_default="/usr/local"
1095 bindir_default='${prefix}/bin'
1096 incdir_default='${prefix}/include'
1097 libdir_default='${prefix}/lib'
1098 mandir_default='${prefix}/share/man'
1099 shlibdir_default="$libdir_default"
1100
1101 # toolchain
1102 cc_default="gcc"
1103 host_cc_default="gcc"
1104 yasmexe="yasm"
1105 ar="ar"
1106 nm_default="nm"
1107 ranlib="ranlib"
1108 strip="strip"
1109 ln_s="ln -sf"
1110 objformat="elf"
1111
1112 # machine
1113 arch=`uname -m`
1114 cpu="generic"
1115
1116 # OS
1117 target_os=$(tolower $(uname -s))
1118
1119 # configurable options
1120 enable debug
1121 enable ffmpeg
1122 enable ffplay
1123 enable ffserver
1124 enable ipv6
1125 enable mpegaudio_hp
1126 enable network
1127 enable oldscaler
1128 enable optimizations
1129 enable protocols
1130 enable static
1131 enable stripping
1132 vhook="default"
1133
1134 # build settings
1135 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1136 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1137 VHOOKSHFLAGS='$(SHFLAGS)'
1138 FFSERVERLDFLAGS=-Wl,-E
1139 LIBPREF="lib"
1140 LIBSUF=".a"
1141 FULLNAME='$(NAME)$(BUILDSUF)'
1142 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1143 SLIBPREF="lib"
1144 SLIBSUF=".so"
1145 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1146 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1147 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1148 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1149
1150 host_cflags='-O3 -g -Wall'
1151 host_libs='-lm'
1152
1153 target_path='.'
1154
1155 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1156 # full relative path for objects in subdirectories for non-recursive Make.
1157 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,"'
1158
1159 # find source path
1160 source_path="`dirname \"$0\"`"
1161 enable source_path_used
1162 if test -z "$source_path" -o "$source_path" = "." ; then
1163 source_path="`pwd`"
1164 disable source_path_used
1165 else
1166 source_path="`cd \"$source_path\"; pwd`"
1167 echo "$source_path" | grep -q '[[:blank:]]' &&
1168 die "Out of tree builds are impossible with whitespace in source path."
1169 fi
1170
1171 FFMPEG_CONFIGURATION="$@"
1172
1173 find_things(){
1174 thing=$1
1175 pattern=$2
1176 file=$source_path/$3
1177 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1178 }
1179
1180 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1181 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1182 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1183 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1184 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1185 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1186 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1187 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1188 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1189 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1190
1191 enable $ARCH_EXT_LIST \
1192 $DECODER_LIST \
1193 $ENCODER_LIST \
1194 $PARSER_LIST \
1195 $BSF_LIST \
1196 $DEMUXER_LIST \
1197 $MUXER_LIST \
1198 $FILTER_LIST \
1199 $PROTOCOL_LIST \
1200 $INDEV_LIST \
1201 $OUTDEV_LIST \
1202
1203 die_unknown(){
1204 echo "Unknown option \"$1\"."
1205 echo "See $0 --help for available options."
1206 exit 1
1207 }
1208
1209 show_list() {
1210 suffix=_$1
1211 shift
1212 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1213 exit 0
1214 }
1215
1216 for opt do
1217 optval="${opt#*=}"
1218 case "$opt" in
1219 --extra-cflags=*) add_cflags "$optval"
1220 ;;
1221 --extra-ldflags=*) add_ldflags "$optval"
1222 ;;
1223 --extra-libs=*) add_extralibs "$optval"
1224 ;;
1225 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1226 ;;
1227 --enable-debug=*) debuglevel="$optval"
1228 ;;
1229 --enable-*=*|--disable-*=*)
1230 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1231 case "$thing" in
1232 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1233 *) die_unknown "$opt" ;;
1234 esac
1235 ;;
1236 --enable-?*|--disable-?*)
1237 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1238 if is_in $option $COMPONENT_LIST; then
1239 eval $action \$$(toupper ${option%s})_LIST
1240 elif is_in $option $CMDLINE_SELECT; then
1241 $action $option
1242 else
1243 die_unknown $opt
1244 fi
1245 ;;
1246 --list-*)
1247 NAME="${opt#--list-}"
1248 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1249 NAME=${NAME%s}
1250 eval show_list $NAME \$$(toupper $NAME)_LIST
1251 ;;
1252 --help|-h) show_help
1253 ;;
1254 *)
1255 optname="${opt%%=*}"
1256 optname="${optname#--}"
1257 optname=$(echo "$optname" | sed 's/-/_/g')
1258 is_in $optname $CMDLINE_SET || die_unknown $opt
1259 eval $optname='$optval'
1260 ;;
1261 esac
1262 done
1263
1264 disabled logging && logfile=/dev/null
1265
1266 echo "# $0 $@" > $logfile
1267 set >> $logfile
1268
1269 test -n "$cross_prefix" && enable cross_compile
1270
1271 cc_default="${cross_prefix}${cc_default}"
1272 yasmexe="${cross_prefix}${yasmexe}"
1273 ar="${cross_prefix}${ar}"
1274 nm_default="${cross_prefix}${nm_default}"
1275 ranlib="${cross_prefix}${ranlib}"
1276 strip="${cross_prefix}${strip}"
1277
1278 set_default cc nm
1279 enabled cross_compile || host_cc_default=$cc
1280 set_default host_cc
1281
1282 # set temporary file name
1283 : ${TMPDIR:=$TEMPDIR}
1284 : ${TMPDIR:=$TMP}
1285 : ${TMPDIR:=/tmp}
1286
1287 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1288 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1289 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1290 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1291 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1292 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1293
1294 check_cflags -std=c99
1295
1296 case "$arch" in
1297 i386|i486|i586|i686|i86pc|BePC)
1298 arch="x86_32"
1299 enable fast_unaligned
1300 ;;
1301 x86_64|amd64)
1302 arch="x86_32"
1303 enable cmov
1304 enable fast_cmov
1305 enable fast_unaligned
1306 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1307 int test[sizeof(char*) - 7];
1308 EOF
1309 ;;
1310 arm|armv[4567]*l)
1311 arch="arm"
1312 ;;
1313 alpha)
1314 arch="alpha"
1315 enable fast_64bit
1316 ;;
1317 "Power Macintosh"|ppc|powerpc)
1318 arch="ppc"
1319 enable fast_unaligned
1320 ;;
1321 ppc64)
1322 arch="ppc"
1323 enable fast_64bit
1324 enable fast_unaligned
1325 ;;
1326 mips|mipsel|IP*)
1327 arch="mips"
1328 ;;
1329 mips64)
1330 arch="mips"
1331 enable fast_64bit
1332 ;;
1333 sun4u|sparc64)
1334 arch="sparc64"
1335 enable fast_64bit
1336 ;;
1337 sparc)
1338 arch="sparc"
1339 ;;
1340 sh4|sh)
1341 arch="sh4"
1342 ;;
1343 parisc|hppa)
1344 arch="parisc"
1345 ;;
1346 parisc64|hppa64)
1347 arch="parisc"
1348 enable fast_64bit
1349 ;;
1350 s390|s390x)
1351 arch="s390"
1352 ;;
1353 m68k)
1354 arch="m68k"
1355 ;;
1356 ia64)
1357 arch="ia64"
1358 enable fast_64bit
1359 ;;
1360 bfin)
1361 arch="bfin"
1362 ;;
1363 *)
1364 arch="unknown"
1365 ;;
1366 esac
1367
1368 enable $arch
1369 enabled_any x86_32 x86_64 && enable x86
1370 enabled sparc64 && enable sparc
1371
1372 # OS specific
1373 case $target_os in
1374 beos|haiku|zeta)
1375 prefix_default="$HOME/config"
1376 # helps building libavcodec
1377 add_cflags "-DPIC -fomit-frame-pointer"
1378 # 3 gcc releases known for BeOS, each with ugly bugs
1379 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1380 case "$gcc_version" in
1381 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1382 disable mmx
1383 ;;
1384 *20010315*) echo "BeBits gcc"
1385 add_cflags "-fno-expensive-optimizations"
1386 ;;
1387 esac
1388 SHFLAGS=-nostart
1389 # enable BeOS things
1390 enable audio_beos
1391 # no need for libm, but the inet stuff
1392 # Check for BONE
1393 # XXX: actually should check for NOT net_server
1394 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1395 network_extralibs="-lbind -lsocket"
1396 else
1397 enable beos_netserver
1398 network_extralibs="-lnet"
1399 fi ;;
1400 sunos)
1401 FFSERVERLDFLAGS=""
1402 SHFLAGS='-shared -Wl,-h,$$(@F)'
1403 network_extralibs="-lsocket -lnsl"
1404 ;;
1405 netbsd)
1406 oss_demuxer_extralibs="-lossaudio"
1407 oss_muxer_extralibs="-lossaudio"
1408 ;;
1409 openbsd)
1410 disable need_memalign
1411 LIBOBJFLAGS='$(PIC)'
1412 SHFLAGS='-shared'
1413 oss_demuxer_extralibs="-lossaudio"
1414 oss_muxer_extralibs="-lossaudio"
1415 ;;
1416 freebsd)
1417 disable need_memalign
1418 ;;
1419 bsd/os)
1420 osextralibs="-lpoll -lgnugetopt"
1421 strip="strip -d"
1422 ;;
1423 darwin)
1424 disable need_memalign
1425 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1426 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1427 strip="strip -x"
1428 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1429 SLIBSUF=".dylib"
1430 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1431 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1432 FFSERVERLDFLAGS=-Wl,-bind_at_load
1433 objformat="macho"
1434 enabled x86_64 && objformat="macho64"
1435 ;;
1436 mingw32*)
1437 target_os=mingw32
1438 LIBTARGET=i386
1439 if test $arch = x86_64; then
1440 disable need_memalign
1441 LIBTARGET=x64
1442 fi
1443 shlibdir_default="$bindir_default"
1444 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1445 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1446 if enabled swscale; then
1447 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1448 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1449 fi
1450 disable ffserver
1451 SLIBPREF=""
1452 SLIBSUF=".dll"
1453 EXESUF=".exe"
1454 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1455 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1456 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1457 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1458 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1459 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1460 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1461 objformat="win32"
1462 enable dos_paths
1463 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1464 die "ERROR: MinGW runtime version must be >= 3.15."
1465 enabled_any avisynth vfwcap_demuxer &&
1466 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1467 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1468 ;;
1469 cygwin*)
1470 target_os=cygwin
1471 shlibdir_default="$bindir_default"
1472 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1473 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1474 if enabled swscale; then
1475 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1476 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1477 fi
1478 EXESUF=".exe"
1479 SLIBPREF="cyg"
1480 SLIBSUF=".dll"
1481 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1482 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1483 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1484 objformat="win32"
1485 enable dos_paths
1486 ;;
1487 *-dos|freedos|opendos)
1488 disable ffplay ffserver vhook
1489 disable $INDEV_LIST $OUTDEV_LIST
1490 network_extralibs="-lsocket"
1491 EXESUF=".exe"
1492 objformat="win32"
1493 enable dos_paths
1494 ;;
1495 linux)
1496 enable dv1394
1497 ;;
1498 irix*)
1499 target_os=irix
1500 ranlib="echo ignoring ranlib"
1501 ;;
1502 os/2*)
1503 strip="lxlite"
1504 ln_s="cp -f"
1505 EXESUF=".exe"
1506 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1507 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1508 FFSERVERLDFLAGS=""
1509 LIBSUF="_s.a"
1510 SLIBPREF=""
1511 SLIBSUF=".dll"
1512 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1513 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1514 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1515 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1516 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1517 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1518 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1519 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1520 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1521 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1522 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1523 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1524 disable vhook
1525 enable dos_paths
1526 ;;
1527 interix)
1528 disable vhook
1529 ;;
1530
1531 *)
1532 target_os="${target_os}-UNKNOWN"
1533 ;;
1534 esac
1535
1536 set_default $PATHS_LIST
1537
1538 add_extralibs $osextralibs
1539
1540 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1541 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1542
1543 # we need to build at least one lib type
1544 if ! enabled_any static shared; then
1545 cat <<EOF
1546 At least one library type must be built.
1547 Specify --enable-static to build the static libraries or --enable-shared to
1548 build the shared libraries as well. To only build the shared libraries specify
1549 --disable-static in addition to --enable-shared.
1550 EOF
1551 exit 1;
1552 fi
1553
1554 disabled static && LIBNAME=""
1555
1556 if enabled_any libfaad libfaadbin ; then
1557 if check_header faad.h; then
1558 check_cc <<EOF
1559 #include <faad.h>
1560 #ifndef FAAD2_VERSION
1561 ok faad1
1562 #endif
1563 int main(void) { return 0; }
1564 EOF
1565 test $? = 0 && enable libfaad2
1566 else
1567 die "FAAD test failed."
1568 fi
1569 fi
1570
1571
1572 if ! enabled gpl; then
1573 die_gpl_disabled(){
1574 name=$1
1575 shift
1576 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1577 }
1578 die_gpl_disabled "The Postprocessing code" postproc
1579 die_gpl_disabled "libx264" libx264
1580 die_gpl_disabled "libxvidcore" libxvid
1581 die_gpl_disabled "FAAD2" libfaad2
1582 die_gpl_disabled "The X11 grabber" x11grab
1583 die_gpl_disabled "The software scaler" swscale
1584 fi
1585
1586 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1587 die "libamr is nonfree and --enable-nonfree is not specified."
1588 fi
1589
1590 check_deps $ARCH_EXT_LIST
1591
1592 test -z "$need_memalign" && need_memalign="$mmx"
1593
1594 #Darwin CC versions
1595 if test $target_os = darwin; then
1596 if $cc -v 2>&1 | grep -q xlc; then
1597 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1598 else
1599 add_cflags "-pipe"
1600 check_cflags "-force_cpusubtype_ALL"
1601 check_cflags "-Wno-sign-compare"
1602 enabled shared || check_cflags -mdynamic-no-pic
1603 fi
1604 fi
1605
1606 disabled optimizations || check_cflags -fomit-frame-pointer
1607
1608 # Add processor-specific flags
1609 if test $cpu != "generic"; then
1610 warn_altivec(){
1611 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1612 }
1613 case $cpu in
1614 601|ppc601|PowerPC601)
1615 add_cflags "-mcpu=601"
1616 warn_altivec enabled PPC601
1617 ;;
1618 603*|ppc603*|PowerPC603*)
1619 add_cflags "-mcpu=603"
1620 warn_altivec enabled PPC603
1621 ;;
1622 604*|ppc604*|PowerPC604*)
1623 add_cflags "-mcpu=604"
1624 warn_altivec enabled PPC604
1625 ;;
1626 G3|g3|75*|ppc75*|PowerPC75*)
1627 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1628 warn_altivec enabled PPC75x
1629 ;;
1630 G4|g4|745*|ppc745*|PowerPC745*)
1631 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1632 warn_altivec disabled PPC745x
1633 ;;
1634 74*|ppc74*|PowerPC74*)
1635 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1636 warn_altivec disabled PPC74xx
1637 ;;
1638 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1639 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1640 warn_altivec disabled PPC970
1641 enable ppc64
1642 ;;
1643 Cell|CELL|cell)
1644 add_cflags "-mcpu=cell"
1645 warn_altivec disabled Cell
1646 enable ppc64
1647 ;;
1648 # targets that do NOT support conditional mov (cmov)
1649 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1650 add_cflags "-march=$cpu"
1651 disable cmov
1652 ;;
1653 # targets that do support conditional mov (cmov)
1654 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1655 add_cflags "-march=$cpu"
1656 enable cmov
1657 enable fast_cmov
1658 ;;
1659 # targets that do support conditional mov but on which it's slow
1660 pentium4|pentium4m|prescott|nocona)
1661 add_cflags "-march=$cpu"
1662 enable cmov
1663 disable fast_cmov
1664 ;;
1665 sparc64)
1666 add_cflags "-mcpu=v9"
1667 ;;
1668 arm11*|cortex*)
1669 add_cflags "-mcpu=$cpu"
1670 enable fast_unaligned
1671 ;;
1672 armv*)
1673 add_cflags "-march=$cpu"
1674 ;;
1675 arm*)
1676 add_cflags "-mcpu=$cpu"
1677 ;;
1678 *)
1679 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1680 ;;
1681 esac
1682 fi
1683
1684 # make sure we can execute files in $TMPDIR
1685 cat > $TMPSH 2>> $logfile <<EOF
1686 #! /bin/sh
1687 EOF
1688 chmod +x $TMPSH >> $logfile 2>&1
1689 if ! $TMPSH >> $logfile 2>&1; then
1690 cat <<EOF
1691 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1692 variable to another directory and make sure that it is not mounted noexec.
1693 EOF
1694 die "Sanity test failed."
1695 fi
1696 rm $TMPSH
1697
1698 # compiler sanity check
1699 check_exec <<EOF
1700 int main(void){ return 0; }
1701 EOF
1702 if test "$?" != 0; then
1703 echo "$cc is unable to create an executable file."
1704 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1705 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1706 echo "Only do this if you know what cross compiling means."
1707 fi
1708 die "C compiler test failed."
1709 fi
1710
1711 check_cc <<EOF || die "Symbol mangling check failed."
1712 int ff_extern;
1713 EOF
1714 sym=$($nm -P -g $TMPO | grep ff_extern)
1715 extern_prefix=${sym%%ff_extern*}
1716
1717 check_asm inline_asm '""'
1718
1719 if enabled x86; then
1720 # check whether EBP is available on x86
1721 # As 'i' is stored on the stack, this program will crash
1722 # if the base pointer is used to access it because the
1723 # base pointer is cleared in the inline assembly code.
1724 check_exec_crash <<EOF && enable ebp_available
1725 volatile int i=0;
1726 __asm__ volatile (
1727 "xorl %%ebp, %%ebp"
1728 ::: "%ebp");
1729 return i;
1730 EOF
1731
1732 # check wether EBX is available on x86
1733 check_asm ebx_available '"":::"%ebx"'
1734
1735 # check whether binutils is new enough to compile SSSE3/MMX2
1736 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1737 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1738
1739 check_asm bswap '"bswap %%eax" ::: "%eax"'
1740
1741 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1742 enabled x86_64 && append YASMFLAGS "-m amd64"
1743 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1744 case "$objformat" in
1745 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1746 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1747 *) append YASMFLAGS "-DPREFIX" ;;
1748 esac
1749 check_yasm "pabsw xmm0, xmm0" && enable yasm
1750 fi
1751
1752 # check for assembler specific support
1753
1754 if test $arch = "ppc"; then
1755 check_asm dcbzl '"dcbzl 0, 1"'
1756 fi
1757
1758 # check for SIMD availability
1759
1760 # AltiVec flags: The FSF version of GCC differs from the Apple version
1761 if enabled altivec; then
1762 check_cflags -maltivec -mabi=altivec &&
1763 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1764 check_cflags -faltivec
1765
1766 # check if our compiler supports Motorola AltiVec C API
1767 check_cc <<EOF || disable altivec
1768 $inc_altivec_h
1769 int main(void) {
1770 vector signed int v1, v2, v3;
1771 v1 = vec_add(v2,v3);
1772 return 0;
1773 }
1774 EOF
1775
1776 # check if our compiler supports braces for vector declarations
1777 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1778 $inc_altivec_h
1779 int main (void) { (vector int) {1}; return 0; }
1780 EOF
1781 fi
1782
1783 # We have to check if pld is a nop and disable it.
1784 enabled arm && check_asm pld '"pld [r0]"'
1785 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1786 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1787 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1788 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1789 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1790 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1791 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1792 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1793
1794 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1795
1796 # ---
1797 # big/little-endian test
1798 check_cc <<EOF || die "endian test failed"
1799 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1800 EOF
1801 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1802
1803 # ---
1804 # check availability of some header files
1805
1806 if check_func dlopen; then
1807 ldl=
1808 elif check_func dlopen -ldl; then
1809 ldl=-ldl
1810 fi
1811
1812 check_func fork
1813 check_func gethrtime
1814 check_func getrusage
1815 check_func inet_aton $network_extralibs
1816 check_func memalign
1817 check_func mkstemp
1818 check_func_headers windows.h GetProcessTimes
1819
1820 check_header conio.h
1821 check_header dlfcn.h
1822 check_header malloc.h
1823 check_header poll.h
1824 check_header sys/mman.h
1825 check_header sys/resource.h
1826 check_header sys/select.h
1827 check_header termios.h
1828 check_header X11/extensions/XvMClib.h
1829
1830 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1831 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1832 fi
1833
1834 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1835 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1836
1837 # check for some common methods of building with pthread support
1838 # do this before the optional library checks as some of them require pthreads
1839 if enabled pthreads; then
1840 if check_func pthread_create; then
1841 :
1842 elif check_func pthread_create -pthread; then
1843 add_cflags -pthread
1844 add_extralibs -pthread
1845 elif check_func pthread_create -pthreads; then
1846 add_cflags -pthreads
1847 add_extralibs -pthreads
1848 elif check_func pthread_create -lpthreadGC2; then
1849 add_extralibs -lpthreadGC2
1850 elif ! check_lib pthread.h pthread_create -lpthread; then
1851 die "ERROR: can't find pthreads library"
1852 fi
1853 fi
1854
1855 for thread in $THREADS_LIST; do
1856 if enabled $thread; then
1857 test -n "$thread_type" &&
1858 die "ERROR: Only one thread type must be selected." ||
1859 thread_type="$thread"
1860 fi
1861 done
1862
1863 check_lib math.h sin -lm
1864
1865 # test for C99 functions in math.h
1866 for func in llrint lrint lrintf round roundf; do
1867 check_exec <<EOF && enable $func || disable $func
1868 #include <math.h>
1869 int main(void) { return ($func(3.999f) > 0)?0:1; }
1870 EOF
1871 done
1872
1873 # these are off by default, so fail if requested and not available
1874 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1875 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1876 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1877 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1878 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1879 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1880 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1881 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1882 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1883 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1884 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1885 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1886 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1887 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1888 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1889 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1890 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1891 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1892 die "ERROR: libx264 version must be >= 0.65."; }
1893 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1894 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1895
1896 # libdc1394 check
1897 if enabled libdc1394; then
1898 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1899 enable libdc1394_2; } ||
1900 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1901 enable libdc1394_1; } ||
1902 die "ERROR: No version of libdc1394 found "
1903 fi
1904
1905
1906 _restrict=
1907 for restrict_keyword in restrict __restrict__ __restrict; do
1908 check_cc <<EOF && _restrict=$restrict_keyword && break
1909 void foo(char * $restrict_keyword p);
1910 EOF
1911 done
1912
1913 test "$vhook" = "default" && vhook="$dlopen"
1914
1915 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1916 disable vhook
1917 echo
1918 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1919 echo "Patches welcome."
1920 echo
1921 fi
1922
1923 if enabled vhook; then
1924 check_ldflags -rdynamic
1925 check_ldflags -export-dynamic
1926 fi
1927
1928 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1929 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1930
1931 ##########################################
1932 # SDL check
1933
1934 disable sdl_too_old
1935 disable sdl
1936 SDL_CONFIG="${cross_prefix}sdl-config"
1937 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1938 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1939 temp_cflags $sdl_cflags
1940 temp_extralibs `"${SDL_CONFIG}" --libs`
1941 if check_lib2 SDL.h SDL_Init; then
1942 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1943 if test "$_sdlversion" -lt 121 ; then
1944 enable sdl_too_old
1945 else
1946 enable sdl
1947 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1948 #include <SDL.h>
1949 int main(int argc, char **argv){
1950 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1951 int w = vi->current_w;
1952 return 0;
1953 }
1954 EOF
1955 fi
1956 fi
1957 restore_flags
1958 fi
1959
1960 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1961
1962 ##########################################
1963 # Network check
1964
1965 if enabled network; then
1966 check_type "sys/types.h sys/socket.h" socklen_t
1967 # Prefer arpa/inet.h over winsock2
1968 if check_header arpa/inet.h ; then
1969 check_func closesocket
1970 elif check_header winsock2.h ; then
1971 network_extralibs="-lws2_32"
1972 check_type ws2tcpip.h socklen_t
1973 check_func_headers winsock2.h closesocket
1974 fi
1975 fi
1976
1977 ##########################################
1978 # IPv6 check
1979
1980 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1981 #include <sys/types.h>
1982 #include <sys/socket.h>
1983 #include <netinet/in.h>
1984 #include <netdb.h>
1985 int main(void) {
1986 struct sockaddr_storage saddr;
1987 struct ipv6_mreq mreq6;
1988 getaddrinfo(0,0,0,0);
1989 getnameinfo(0,0,0,0,0,0,0);
1990 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1991 }
1992 EOF
1993
1994 check_header linux/videodev.h
1995 check_header linux/videodev2.h
1996 check_header sys/videoio.h
1997
1998 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1999
2000 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2001 { check_header dev/bktr/ioctl_meteor.h &&
2002 check_header dev/bktr/ioctl_bt848.h; } ||
2003 { check_header machine/ioctl_meteor.h &&
2004 check_header machine/ioctl_bt848.h; } ||
2005 { check_header dev/video/meteor/ioctl_meteor.h &&
2006 check_header dev/video/bktr/ioctl_bt848.h; } ||
2007 check_header dev/ic/bt8xx.h
2008
2009 check_header sys/soundcard.h
2010 check_header soundcard.h
2011
2012 # deal with the X11 frame grabber
2013 enabled x11grab &&
2014 check_header X11/Xlib.h &&
2015 check_header X11/extensions/XShm.h &&
2016 check_func XOpenDisplay -lX11 &&
2017 check_func XShmCreateImage -lX11 -lXext
2018
2019 enabled debug && add_cflags -g"$debuglevel"
2020
2021 # add some useful compiler flags if supported
2022 check_cflags -Wdeclaration-after-statement
2023 check_cflags -Wall
2024 check_cflags -Wno-switch
2025 check_cflags -Wdisabled-optimization
2026 check_cflags -Wpointer-arith
2027 check_cflags -Wredundant-decls
2028 check_cflags -Wno-pointer-sign
2029 check_cflags -Wcast-qual
2030 check_cflags -Wwrite-strings
2031 check_cflags -Wtype-limits
2032 enabled extra_warnings && check_cflags -Winline
2033
2034 # add some linker flags
2035 check_ldflags -Wl,--warn-common
2036 check_ldflags -Wl,--as-needed
2037 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'
2038 check_ldflags -Wl,-Bsymbolic
2039
2040 if enabled small; then
2041 check_cflags -Os # not all compilers support -Os
2042 optimizations="small"
2043 elif enabled optimizations; then
2044 if $cc -v 2>&1 | grep -q xlc; then
2045 add_cflags "-O5"
2046 add_ldflags "-O5"
2047 else
2048 add_cflags "-O3"
2049 fi
2050 fi
2051 check_cflags -fno-math-errno
2052 check_cflags -fno-signed-zeros
2053
2054 # add some flags for Intel C Compiler
2055 if $cc --version 2> /dev/null | grep -q Intel; then
2056 # Just warnings, no remarks
2057 check_cflags -w1
2058 # -wd: Disable following warnings
2059 # 144, 167, 556: -Wno-pointer-sign
2060 # 10006: ignoring unknown option -fno-signed-zeros
2061 # 10156: ignoring option '-W'; no argument required
2062 check_cflags -wd144,167,556,10006,10156
2063 # 11030: Warning unknown option --as-needed
2064 # 10156: ignoring option '-export'; no argument required
2065 check_ldflags -wd10156,11030
2066 # Allow to compile with optimizations
2067 check_ldflags -march=$cpu
2068 fi
2069
2070 # PIC flags for shared library objects where they are needed
2071 if enabled shared; then
2072 # LIBOBJFLAGS may have already been set in the OS configuration
2073 if test -z "$LIBOBJFLAGS" ; then
2074 case "$arch" in
2075 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2076 esac
2077 fi
2078 fi
2079
2080 if enabled gprof; then
2081 add_cflags "-p"
2082 add_ldflags "-p"
2083 fi
2084
2085 VHOOKCFLAGS="-fPIC"
2086
2087 # Find out if the .align argument is a power of two or not.
2088 check_asm asmalign_pot '".align 3"'
2089
2090 enabled_any $DECODER_LIST && enable decoders
2091 enabled_any $ENCODER_LIST && enable encoders
2092 enabled_any $BSF_LIST && enable bsfs
2093 enabled_any $DEMUXER_LIST && enable demuxers
2094 enabled_any $MUXER_LIST && enable muxers
2095 enabled_any $FILTER_LIST && enable filters
2096 enabled_any $INDEV_LIST && enable demuxers
2097 enabled_any $OUTDEV_LIST && enable muxers
2098 enabled_any $PROTOCOL_LIST && enable protocols
2099
2100 enabled_any $THREADS_LIST && enable threads
2101
2102 check_deps $CONFIG_LIST \
2103 $CONFIG_EXTRA \
2104 $HAVE_LIST \
2105 $DECODER_LIST \
2106 $ENCODER_LIST \
2107 $PARSER_LIST \
2108 $BSF_LIST \
2109 $DEMUXER_LIST \
2110 $MUXER_LIST \
2111 $FILTER_LIST \
2112 $INDEV_LIST \
2113 $OUTDEV_LIST \
2114 $PROTOCOL_LIST \
2115
2116 echo "install prefix $prefix"
2117 echo "source path $source_path"
2118 echo "C compiler $cc"
2119 echo ".align is power-of-two $asmalign_pot"
2120 echo "ARCH $arch ($cpu)"
2121 if test "$build_suffix" != ""; then
2122 echo "build suffix $build_suffix"
2123 fi
2124 if test "$extra_version" != ""; then
2125 echo "version string suffix $extra_version"
2126 fi
2127 echo "big-endian ${bigendian-no}"
2128 if test $arch = "x86_32" -o $arch = "x86_64"; then
2129 echo "yasm ${yasm-no}"
2130 echo "MMX enabled ${mmx-no}"
2131 echo "CMOV enabled ${cmov-no}"
2132 echo "CMOV is fast ${fast_cmov-no}"
2133 echo "EBX available ${ebx_available-no}"
2134 echo "EBP available ${ebp_available-no}"
2135 fi
2136 if test $arch = "arm"; then
2137 echo "ARMv5TE enabled ${armv5te-no}"
2138 echo "ARMv6 enabled ${armv6-no}"
2139 echo "ARMv6T2 enabled ${armv6t2-no}"
2140 echo "ARM VFP enabled ${armvfp-no}"
2141 echo "IWMMXT enabled ${iwmmxt-no}"
2142 echo "NEON enabled ${neon-no}"
2143 fi
2144 if test $arch = "mips"; then
2145 echo "MMI enabled ${mmi-no}"
2146 fi
2147 if test $arch = "ppc"; then
2148 echo "AltiVec enabled ${altivec-no}"
2149 echo "dcbzl available ${dcbzl-no}"
2150 fi
2151 echo "gprof enabled ${gprof-no}"
2152 echo "debug symbols ${debug-no}"
2153 echo "strip symbols ${stripping-no}"
2154 echo "optimizations ${optimizations-no}"
2155 echo "static ${static-no}"
2156 echo "shared ${shared-no}"
2157 echo "postprocessing support ${postproc-no}"
2158 echo "software scaler enabled ${swscale-no}"
2159 echo "new filter support ${avfilter-no}"
2160 echo "filters using lavformat ${avfilter_lavf-no}"
2161 echo "video hooking ${vhook-no}"
2162 if enabled vhook; then
2163 echo "Imlib2 support ${imlib2-no}"
2164 echo "FreeType support ${freetype2-no}"
2165 fi
2166 echo "network support ${network-no}"
2167 if enabled network; then
2168 echo "IPv6 support ${ipv6-no}"
2169 fi
2170 echo "threading support ${thread_type-no}"
2171 echo "SDL support ${sdl-no}"
2172 if enabled sdl_too_old; then
2173 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2174 fi
2175 echo "Sun medialib support ${mlib-no}"
2176 echo "AVISynth enabled ${avisynth-no}"
2177 echo "libamr-nb support ${libamr_nb-no}"
2178 echo "libamr-wb support ${libamr_wb-no}"
2179 echo "libdc1394 support ${libdc1394-no}"
2180 echo "libdirac enabled ${libdirac-no}"
2181 echo "libfaac enabled ${libfaac-no}"
2182 echo "libfaad enabled ${libfaad-no}"
2183 echo "libfaad dlopened ${libfaadbin-no}"
2184 echo "libgsm enabled ${libgsm-no}"
2185 echo "libmp3lame enabled ${libmp3lame-no}"
2186 echo "libnut enabled ${libnut-no}"
2187 echo "libschroedinger enabled ${libschroedinger-no}"
2188 echo "libspeex enabled ${libspeex-no}"
2189 echo "libtheora enabled ${libtheora-no}"
2190 echo "libvorbis enabled ${libvorbis-no}"
2191 echo "libx264 enabled ${libx264-no}"
2192 echo "libxvid enabled ${libxvid-no}"
2193 echo "zlib enabled ${zlib-no}"
2194 echo "bzlib enabled ${bzlib-no}"
2195 echo
2196
2197 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2198 echo "Enabled ${type}s:"
2199 eval list=\$$(toupper $type)_LIST
2200 for part in $list; do
2201 enabled $part && echo ${part%_*}
2202 done | sort | pr -3 -t
2203 echo
2204 done
2205
2206 license="LGPL"
2207 if enabled nonfree; then
2208 license="unredistributable"
2209 elif enabled gpl; then
2210 license="GPL"
2211 fi
2212
2213 echo "License: $license"
2214
2215 echo "Creating config.mak and config.h..."
2216
2217 echo "# Automatically generated by configure - do not modify!" > config.mak
2218 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2219 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2220 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2221 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2222
2223 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2224 echo "prefix=$prefix" >> config.mak
2225 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2226 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2227 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2228 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2229 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2230 echo "CC=$cc" >> config.mak
2231 echo "YASM=$yasmexe" >> config.mak
2232 echo "AR=$ar" >> config.mak
2233 echo "RANLIB=$ranlib" >> config.mak
2234 echo "LN_S=$ln_s" >> config.mak
2235 enabled stripping &&
2236 echo "STRIP=$strip" >> config.mak ||
2237 echo "STRIP=echo ignoring strip" >> config.mak
2238
2239 echo "OPTFLAGS=$CFLAGS" >> config.mak
2240 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2241 echo "LDFLAGS=$LDFLAGS" >> config.mak
2242 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2243 echo "SHFLAGS=$SHFLAGS" >> config.mak
2244 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2245 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2246 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2247 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2248 echo "BUILD_STATIC=$static" >> config.mak
2249 echo "BUILDSUF=$build_suffix" >> config.mak
2250 echo "FULLNAME=$FULLNAME" >> config.mak
2251 echo "LIBPREF=$LIBPREF" >> config.mak
2252 echo "LIBSUF=$LIBSUF" >> config.mak
2253 echo "LIBNAME=$LIBNAME" >> config.mak
2254 echo "SLIBPREF=$SLIBPREF" >> config.mak
2255 echo "SLIBSUF=$SLIBSUF" >> config.mak
2256 echo "EXESUF=$EXESUF" >> config.mak
2257 echo "EXTRA_VERSION=$extra_version" >> config.mak
2258 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2259 echo "HOSTCC=$host_cc" >> config.mak
2260 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2261 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2262 echo "HOSTLIBS=$host_libs" >> config.mak
2263 echo "TARGET_EXEC=$target_exec" >> config.mak
2264 echo "TARGET_PATH=$target_path" >> config.mak
2265
2266 if enabled bigendian; then
2267 echo "WORDS_BIGENDIAN=yes" >> config.mak
2268 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2269 fi
2270
2271 if enabled sdl; then
2272 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2273 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2274 fi
2275 if enabled texi2html; then
2276 echo "BUILD_DOC=yes" >> config.mak
2277 fi
2278
2279 get_version(){
2280 name=$1
2281 file=$source_path/$2
2282 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2283 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2284 lcname=$(tolower $name)
2285 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2286 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2287 }
2288
2289 get_version LIBSWSCALE libswscale/swscale.h
2290 get_version LIBPOSTPROC libpostproc/postprocess.h
2291 get_version LIBAVCODEC libavcodec/avcodec.h
2292 get_version LIBAVDEVICE libavdevice/avdevice.h
2293 get_version LIBAVFORMAT libavformat/avformat.h
2294 get_version LIBAVUTIL libavutil/avutil.h
2295 get_version LIBAVFILTER libavfilter/avfilter.h
2296
2297 if enabled shared; then
2298 echo "BUILD_SHARED=yes" >> config.mak
2299 echo "PIC=-fPIC -DPIC" >> config.mak
2300 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2301 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2302 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2303 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2304 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2305 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2306 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2307 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2308 fi
2309 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2310 echo "EXTRALIBS=$extralibs" >> config.mak
2311
2312 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2313 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2314 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2315 $CONFIG_EXTRA \
2316 $DECODER_LIST \
2317 $ENCODER_LIST \
2318 $PARSER_LIST \
2319 $BSF_LIST \
2320 $DEMUXER_LIST \
2321 $MUXER_LIST \
2322 $FILTER_LIST \
2323 $PROTOCOL_LIST \
2324 $INDEV_LIST \
2325 $OUTDEV_LIST \
2326
2327 echo "#define restrict $_restrict" >> $TMPH
2328
2329 if enabled small; then
2330 echo "#define av_always_inline" >> $TMPH
2331 fi
2332
2333 echo "SRC_PATH=\"$source_path\"" >> config.mak
2334 echo "SRC_PATH_BARE=$source_path" >> config.mak
2335 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2336
2337 # Apparently it's not possible to portably echo a backslash.
2338 enabled asmalign_pot &&
2339 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2340 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2341
2342 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2343
2344 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2345
2346 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2347 cmp -s $TMPH config.h &&
2348 echo "config.h is unchanged" ||
2349 mv -f $TMPH config.h
2350
2351 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2352
2353 # build tree in object directory if source path is different from current one
2354 if enabled source_path_used; then
2355 DIRS="\
2356 doc \
2357 libavcodec \
2358 libavcodec/alpha \
2359 libavcodec/arm \
2360 libavcodec/bfin \
2361 libavcodec/mlib \
2362 libavcodec/ppc \
2363 libavcodec/sh4 \
2364 libavcodec/sparc \
2365 libavcodec/x86 \
2366 libavdevice \
2367 libavfilter \
2368 libavformat \
2369 libavutil \
2370 libpostproc \
2371 libswscale \
2372 tests \
2373 tools \
2374 vhook \
2375 "
2376 FILES="\
2377 Makefile \
2378 common.mak \
2379 subdir.mak \
2380 doc/texi2pod.pl \
2381 libavcodec/Makefile \
2382 libavdevice/Makefile \
2383 libavfilter/Makefile \
2384 libavformat/Makefile \
2385 libavutil/Makefile \
2386 libpostproc/Makefile \
2387 libswscale/Makefile \
2388 "
2389 for dir in $DIRS ; do
2390 mkdir -p $dir
2391 done
2392 for f in $FILES ; do
2393 $ln_s "$source_path/$f" $f
2394 done
2395 fi
2396
2397
2398 # build pkg-config files
2399
2400 pkgconfig_generate(){
2401 name=$1
2402 shortname=${name#lib}${build_suffix}
2403 comment=$2
2404 version=$3
2405 libs=$4
2406 requires=$5
2407 cat <<EOF > $name/$name.pc
2408 prefix=$prefix
2409 exec_prefix=\${prefix}
2410 libdir=$libdir
2411 includedir=$incdir
2412
2413 Name: $name
2414 Description: $comment
2415 Version: $version
2416 Requires: $(disabled shared && echo $requires)
2417 Requires.private: $(enabled shared && echo $requires)
2418 Conflicts:
2419 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2420 Libs.private: $(enabled shared && echo $libs)
2421 Cflags: -I\${includedir}
2422 EOF
2423 cat <<EOF > $name/$name-uninstalled.pc
2424 prefix=
2425 exec_prefix=
2426 libdir=\${pcfiledir}
2427 includedir=${source_path}
2428
2429 Name: $name
2430 Description: $comment
2431 Version: $version
2432 Requires: $requires
2433 Conflicts:
2434 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2435 Cflags: -I\${includedir}
2436 EOF
2437 }
2438
2439 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2440 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2441 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2442 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2443 enabled avfilter &&
2444 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2445 enabled postproc &&
2446 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2447 if enabled swscale; then
2448 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2449 else
2450 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2451 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2452 fi