configure: accept $TMP as location for temporary files
[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 armvfp
813 iwmmxt
814 mmi
815 mmx
816 mmx2
817 neon
818 ssse3
819 vis
820 '
821
822 HAVE_LIST="
823 $ARCH_EXT_LIST
824 $THREADS_LIST
825 altivec_h
826 arpa_inet_h
827 bswap
828 closesocket
829 cmov
830 conio_h
831 dcbzl
832 dev_bktr_ioctl_bt848_h
833 dev_bktr_ioctl_meteor_h
834 dev_ic_bt8xx_h
835 dev_video_meteor_ioctl_meteor_h
836 dev_video_bktr_ioctl_bt848_h
837 dlfcn_h
838 dlopen
839 dos_paths
840 ebp_available
841 ebx_available
842 fast_64bit
843 fast_cmov
844 fast_unaligned
845 fork
846 freetype2
847 gethrtime
848 GetProcessTimes
849 getrusage
850 imlib2
851 inet_aton
852 inline_asm
853 libdc1394_1
854 libdc1394_2
855 llrint
856 lrint
857 lrintf
858 machine_ioctl_bt848_h
859 machine_ioctl_meteor_h
860 malloc_h
861 memalign
862 mkstemp
863 pld
864 ppc64
865 round
866 roundf
867 sdl
868 sdl_video_size
869 socklen_t
870 soundcard_h
871 poll_h
872 sys_mman_h
873 sys_resource_h
874 sys_select_h
875 sys_soundcard_h
876 sys_videoio_h
877 termios_h
878 threads
879 winsock2_h
880 yasm
881 "
882
883 # options emitted with CONFIG_ prefix but not available on command line
884 CONFIG_EXTRA="
885 fft_mmx
886 oldscaler
887 "
888
889 CMDLINE_SELECT="
890 $ARCH_EXT_LIST
891 $CONFIG_LIST
892 $THREADS_LIST
893 cross_compile
894 debug
895 extra_warnings
896 logging
897 optimizations
898 shared
899 static
900 stripping
901 "
902
903 PATHS_LIST='
904 bindir
905 incdir
906 libdir
907 mandir
908 prefix
909 shlibdir
910 '
911
912 CMDLINE_SET="
913 $PATHS_LIST
914 arch
915 build_suffix
916 cc
917 cpu
918 cross_prefix
919 extra_version
920 host_cc
921 host_cflags
922 host_ldflags
923 host_libs
924 logfile
925 nm
926 source_path
927 target_exec
928 target_os
929 target_path
930 "
931
932 # code dependency declarations
933
934 # architecture extensions
935 altivec_deps="ppc"
936 armv5te_deps="arm"
937 armv6_deps="arm"
938 armvfp_deps="arm"
939 iwmmxt_deps="arm"
940 mmi_deps="mips"
941 mmx_deps="x86"
942 mmx2_deps="x86 mmx"
943 neon_deps="arm"
944 ssse3_deps="x86"
945 vis_deps="sparc"
946
947 # common features
948 fft_suggest="fft_mmx"
949 fft_mmx_deps="mmx yasm"
950 oldscaler_deps="!swscale"
951
952 # decoders / encoders
953 aac_decoder_select="fft mdct"
954 ac3_decoder_deps="gpl"
955 ac3_decoder_select="fft mdct"
956 atrac3_decoder_select="fft mdct"
957 cavs_decoder_select="golomb"
958 cook_decoder_select="fft mdct"
959 cscd_decoder_suggest="zlib"
960 dca_decoder_select="fft mdct"
961 dnxhd_encoder_select="aandct"
962 dxa_decoder_select="zlib"
963 eac3_decoder_deps="gpl"
964 eac3_decoder_select="fft mdct"
965 eatgq_decoder_select="aandct"
966 ffv1_decoder_select="golomb"
967 flac_decoder_select="golomb"
968 flac_encoder_select="golomb"
969 flashsv_decoder_select="zlib"
970 flashsv_encoder_select="zlib"
971 flv_encoder_select="aandct"
972 h261_encoder_select="aandct"
973 h263_encoder_select="aandct"
974 h263p_encoder_select="aandct"
975 h264_decoder_select="golomb"
976 imc_decoder_select="fft mdct"
977 jpegls_decoder_select="golomb"
978 jpegls_encoder_select="golomb"
979 ljpeg_encoder_select="aandct"
980 loco_decoder_select="golomb"
981 mjpeg_encoder_select="aandct"
982 mpeg1video_encoder_select="aandct"
983 mpeg2video_encoder_select="aandct"
984 mpeg4_encoder_select="aandct"
985 mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
986 msmpeg4v1_encoder_select="aandct"
987 msmpeg4v2_encoder_select="aandct"
988 msmpeg4v3_encoder_select="aandct"
989 nellymoser_decoder_select="fft mdct"
990 nellymoser_encoder_select="fft mdct"
991 png_decoder_select="zlib"
992 png_encoder_select="zlib"
993 qdm2_decoder_select="fft mdct"
994 rv10_encoder_select="aandct"
995 rv20_encoder_select="aandct"
996 shorten_decoder_select="golomb"
997 sonic_decoder_select="golomb"
998 sonic_encoder_select="golomb"
999 sonic_ls_encoder_select="golomb"
1000 svq3_decoder_select="golomb"
1001 svq3_decoder_suggest="zlib"
1002 tiff_decoder_suggest="zlib"
1003 tiff_encoder_suggest="zlib"
1004 tscc_decoder_select="zlib"
1005 vorbis_decoder_select="fft mdct"
1006 vorbis_encoder_select="fft mdct"
1007 wmav1_decoder_select="fft mdct"
1008 wmav1_encoder_select="fft mdct"
1009 wmav2_decoder_select="fft mdct"
1010 wmav2_encoder_select="fft mdct"
1011 wmv1_encoder_select="aandct"
1012 wmv2_encoder_select="aandct"
1013 zlib_decoder_select="zlib"
1014 zlib_encoder_select="zlib"
1015 zmbv_decoder_select="zlib"
1016 zmbv_encoder_select="zlib"
1017
1018 # external libraries
1019 libamr_nb_decoder_deps="libamr_nb"
1020 libamr_nb_encoder_deps="libamr_nb"
1021 libamr_wb_decoder_deps="libamr_wb"
1022 libamr_wb_encoder_deps="libamr_wb"
1023 libdirac_decoder_deps="libdirac !libschroedinger"
1024 libdirac_encoder_deps="libdirac"
1025 libfaac_encoder_deps="libfaac"
1026 libfaad_decoder_deps="libfaad"
1027 libfaadbin_decoder_extralibs='$ldl'
1028 libgsm_decoder_deps="libgsm"
1029 libgsm_encoder_deps="libgsm"
1030 libgsm_ms_decoder_deps="libgsm"
1031 libgsm_ms_encoder_deps="libgsm"
1032 libmp3lame_encoder_deps="libmp3lame"
1033 libschroedinger_decoder_deps="libschroedinger"
1034 libschroedinger_encoder_deps="libschroedinger"
1035 libspeex_decoder_deps="libspeex"
1036 libtheora_encoder_deps="libtheora"
1037 libvorbis_encoder_deps="libvorbis"
1038 libx264_encoder_deps="libx264"
1039 libxvid_encoder_deps="libxvid"
1040 mpeg4aac_decoder_deps="libfaad"
1041
1042 # demuxers / muxers
1043 ac3_demuxer_deps="ac3_parser"
1044 audio_beos_demuxer_deps="audio_beos"
1045 audio_beos_demuxer_extralibs="-lmedia -lbe"
1046 audio_beos_muxer_deps="audio_beos"
1047 audio_beos_muxer_extralibs="-lmedia -lbe"
1048 avisynth_demuxer_deps="avisynth"
1049 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1050 dirac_demuxer_deps="dirac_parser"
1051 dv1394_demuxer_deps="dv1394 dv_demuxer"
1052 libdc1394_demuxer_deps="libdc1394"
1053 libnut_demuxer_deps="libnut"
1054 libnut_muxer_deps="libnut"
1055 matroska_demuxer_suggest="zlib bzlib"
1056 mov_demuxer_suggest="zlib"
1057 mp3_demuxer_deps="mpegaudio_parser"
1058 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1059 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1060 redir_demuxer_deps="network"
1061 rtp_muxer_deps="network rtp_protocol"
1062 rtsp_demuxer_deps="sdp_demuxer"
1063 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1064 v4l_demuxer_deps="linux_videodev_h"
1065 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1066 vfwcap_demuxer_deps="capCreateCaptureWindow"
1067 vfwcap_demuxer_extralibs="-lvfw32"
1068 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1069 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1070
1071 # protocols
1072 http_protocol_deps="network"
1073 rtp_protocol_deps="udp_protocol"
1074 tcp_protocol_deps="network"
1075 udp_protocol_deps="network"
1076
1077 # filters
1078 movie_filter_deps="avfilter_lavf"
1079
1080 # programs
1081 ffplay_deps="sdl"
1082 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1083 ffserver_extralibs='$ldl'
1084 vhook_extralibs='$ldl'
1085
1086
1087 # default parameters
1088
1089 logfile="config.err"
1090
1091 # installation paths
1092 prefix_default="/usr/local"
1093 bindir_default='${prefix}/bin'
1094 incdir_default='${prefix}/include'
1095 libdir_default='${prefix}/lib'
1096 mandir_default='${prefix}/share/man'
1097 shlibdir_default="$libdir_default"
1098
1099 # toolchain
1100 cc_default="gcc"
1101 host_cc_default="gcc"
1102 yasmexe="yasm"
1103 ar="ar"
1104 nm_default="nm"
1105 ranlib="ranlib"
1106 strip="strip"
1107 ln_s="ln -sf"
1108 objformat="elf"
1109
1110 # machine
1111 arch=`uname -m`
1112 cpu="generic"
1113
1114 # OS
1115 target_os=$(tolower $(uname -s))
1116
1117 # configurable options
1118 enable debug
1119 enable ffmpeg
1120 enable ffplay
1121 enable ffserver
1122 enable ipv6
1123 enable mpegaudio_hp
1124 enable network
1125 enable oldscaler
1126 enable optimizations
1127 enable protocols
1128 enable static
1129 enable stripping
1130 vhook="default"
1131
1132 # build settings
1133 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1134 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1135 VHOOKSHFLAGS='$(SHFLAGS)'
1136 FFSERVERLDFLAGS=-Wl,-E
1137 LIBPREF="lib"
1138 LIBSUF=".a"
1139 FULLNAME='$(NAME)$(BUILDSUF)'
1140 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1141 SLIBPREF="lib"
1142 SLIBSUF=".so"
1143 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1144 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1145 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1146 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1147
1148 host_cflags='-O3 -g -Wall'
1149 host_libs='-lm'
1150
1151 target_path='.'
1152
1153 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1154 # full relative path for objects in subdirectories for non-recursive Make.
1155 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,"'
1156
1157 # find source path
1158 source_path="`dirname \"$0\"`"
1159 enable source_path_used
1160 if test -z "$source_path" -o "$source_path" = "." ; then
1161 source_path="`pwd`"
1162 disable source_path_used
1163 else
1164 source_path="`cd \"$source_path\"; pwd`"
1165 echo "$source_path" | grep -q '[[:blank:]]' &&
1166 die "Out of tree builds are impossible with whitespace in source path."
1167 fi
1168
1169 FFMPEG_CONFIGURATION="$@"
1170
1171 find_things(){
1172 thing=$1
1173 pattern=$2
1174 file=$source_path/$3
1175 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1176 }
1177
1178 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1179 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1180 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1181 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1182 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1183 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1184 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1185 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1186 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1187 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1188
1189 enable $ARCH_EXT_LIST \
1190 $DECODER_LIST \
1191 $ENCODER_LIST \
1192 $PARSER_LIST \
1193 $BSF_LIST \
1194 $DEMUXER_LIST \
1195 $MUXER_LIST \
1196 $FILTER_LIST \
1197 $PROTOCOL_LIST \
1198 $INDEV_LIST \
1199 $OUTDEV_LIST \
1200
1201 die_unknown(){
1202 echo "Unknown option \"$1\"."
1203 echo "See $0 --help for available options."
1204 exit 1
1205 }
1206
1207 show_list() {
1208 suffix=_$1
1209 shift
1210 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1211 exit 0
1212 }
1213
1214 for opt do
1215 optval="${opt#*=}"
1216 case "$opt" in
1217 --extra-cflags=*) add_cflags "$optval"
1218 ;;
1219 --extra-ldflags=*) add_ldflags "$optval"
1220 ;;
1221 --extra-libs=*) add_extralibs "$optval"
1222 ;;
1223 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1224 ;;
1225 --enable-debug=*) debuglevel="$optval"
1226 ;;
1227 --enable-*=*|--disable-*=*)
1228 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1229 case "$thing" in
1230 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1231 *) die_unknown "$opt" ;;
1232 esac
1233 ;;
1234 --enable-?*|--disable-?*)
1235 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1236 if is_in $option $COMPONENT_LIST; then
1237 eval $action \$$(toupper ${option%s})_LIST
1238 elif is_in $option $CMDLINE_SELECT; then
1239 $action $option
1240 else
1241 die_unknown $opt
1242 fi
1243 ;;
1244 --list-*)
1245 NAME="${opt#--list-}"
1246 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1247 NAME=${NAME%s}
1248 eval show_list $NAME \$$(toupper $NAME)_LIST
1249 ;;
1250 --help|-h) show_help
1251 ;;
1252 *)
1253 optname="${opt%%=*}"
1254 optname="${optname#--}"
1255 optname=$(echo "$optname" | sed 's/-/_/g')
1256 is_in $optname $CMDLINE_SET || die_unknown $opt
1257 eval $optname='$optval'
1258 ;;
1259 esac
1260 done
1261
1262 disabled logging && logfile=/dev/null
1263
1264 echo "# $0 $@" > $logfile
1265 set >> $logfile
1266
1267 test -n "$cross_prefix" && enable cross_compile
1268
1269 cc_default="${cross_prefix}${cc_default}"
1270 yasmexe="${cross_prefix}${yasmexe}"
1271 ar="${cross_prefix}${ar}"
1272 nm_default="${cross_prefix}${nm_default}"
1273 ranlib="${cross_prefix}${ranlib}"
1274 strip="${cross_prefix}${strip}"
1275
1276 set_default cc nm
1277 enabled cross_compile || host_cc_default=$cc
1278 set_default host_cc
1279
1280 # set temporary file name
1281 : ${TMPDIR:=$TEMPDIR}
1282 : ${TMPDIR:=$TMP}
1283 : ${TMPDIR:=/tmp}
1284
1285 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1286 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1287 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1288 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1289 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1290 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1291
1292 check_cflags -std=c99
1293
1294 case "$arch" in
1295 i386|i486|i586|i686|i86pc|BePC)
1296 arch="x86_32"
1297 enable fast_unaligned
1298 ;;
1299 x86_64|amd64)
1300 arch="x86_32"
1301 enable cmov
1302 enable fast_cmov
1303 enable fast_unaligned
1304 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1305 int test[sizeof(char*) - 7];
1306 EOF
1307 ;;
1308 arm|armv[4567]*l)
1309 arch="arm"
1310 ;;
1311 alpha)
1312 arch="alpha"
1313 enable fast_64bit
1314 ;;
1315 "Power Macintosh"|ppc|powerpc)
1316 arch="ppc"
1317 enable fast_unaligned
1318 ;;
1319 ppc64)
1320 arch="ppc"
1321 enable fast_64bit
1322 enable fast_unaligned
1323 ;;
1324 mips|mipsel|IP*)
1325 arch="mips"
1326 ;;
1327 mips64)
1328 arch="mips"
1329 enable fast_64bit
1330 ;;
1331 sun4u|sparc64)
1332 arch="sparc64"
1333 enable fast_64bit
1334 ;;
1335 sparc)
1336 arch="sparc"
1337 ;;
1338 sh4|sh)
1339 arch="sh4"
1340 ;;
1341 parisc|hppa)
1342 arch="parisc"
1343 ;;
1344 parisc64|hppa64)
1345 arch="parisc"
1346 enable fast_64bit
1347 ;;
1348 s390|s390x)
1349 arch="s390"
1350 ;;
1351 m68k)
1352 arch="m68k"
1353 ;;
1354 ia64)
1355 arch="ia64"
1356 enable fast_64bit
1357 ;;
1358 bfin)
1359 arch="bfin"
1360 ;;
1361 *)
1362 arch="unknown"
1363 ;;
1364 esac
1365
1366 enable $arch
1367 enabled_any x86_32 x86_64 && enable x86
1368 enabled sparc64 && enable sparc
1369
1370 # OS specific
1371 case $target_os in
1372 beos|haiku|zeta)
1373 prefix_default="$HOME/config"
1374 # helps building libavcodec
1375 add_cflags "-DPIC -fomit-frame-pointer"
1376 # 3 gcc releases known for BeOS, each with ugly bugs
1377 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1378 case "$gcc_version" in
1379 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1380 disable mmx
1381 ;;
1382 *20010315*) echo "BeBits gcc"
1383 add_cflags "-fno-expensive-optimizations"
1384 ;;
1385 esac
1386 SHFLAGS=-nostart
1387 # enable BeOS things
1388 enable audio_beos
1389 # no need for libm, but the inet stuff
1390 # Check for BONE
1391 # XXX: actually should check for NOT net_server
1392 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1393 network_extralibs="-lbind -lsocket"
1394 else
1395 enable beos_netserver
1396 network_extralibs="-lnet"
1397 fi ;;
1398 sunos)
1399 FFSERVERLDFLAGS=""
1400 SHFLAGS='-shared -Wl,-h,$$(@F)'
1401 network_extralibs="-lsocket -lnsl"
1402 ;;
1403 netbsd)
1404 oss_demuxer_extralibs="-lossaudio"
1405 oss_muxer_extralibs="-lossaudio"
1406 ;;
1407 openbsd)
1408 disable need_memalign
1409 LIBOBJFLAGS='$(PIC)'
1410 SHFLAGS='-shared'
1411 oss_demuxer_extralibs="-lossaudio"
1412 oss_muxer_extralibs="-lossaudio"
1413 ;;
1414 freebsd)
1415 disable need_memalign
1416 ;;
1417 bsd/os)
1418 osextralibs="-lpoll -lgnugetopt"
1419 strip="strip -d"
1420 ;;
1421 darwin)
1422 disable need_memalign
1423 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1424 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1425 strip="strip -x"
1426 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1427 SLIBSUF=".dylib"
1428 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1429 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1430 FFSERVERLDFLAGS=-Wl,-bind_at_load
1431 objformat="macho"
1432 enabled x86_64 && objformat="macho64"
1433 ;;
1434 mingw32*)
1435 target_os=mingw32
1436 LIBTARGET=i386
1437 if test $arch = x86_64; then
1438 disable need_memalign
1439 LIBTARGET=x64
1440 fi
1441 shlibdir_default="$bindir_default"
1442 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1443 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1444 if enabled swscale; then
1445 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1446 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1447 fi
1448 disable ffserver
1449 SLIBPREF=""
1450 SLIBSUF=".dll"
1451 EXESUF=".exe"
1452 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1453 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1454 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1455 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1456 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1457 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1458 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1459 objformat="win32"
1460 enable dos_paths
1461 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1462 die "ERROR: MinGW runtime version must be >= 3.15."
1463 enabled_any avisynth vfwcap_demuxer &&
1464 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1465 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1466 ;;
1467 cygwin*)
1468 target_os=cygwin
1469 shlibdir_default="$bindir_default"
1470 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1471 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1472 if enabled swscale; then
1473 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1474 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1475 fi
1476 EXESUF=".exe"
1477 SLIBPREF="cyg"
1478 SLIBSUF=".dll"
1479 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1480 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1481 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1482 objformat="win32"
1483 enable dos_paths
1484 ;;
1485 *-dos|freedos|opendos)
1486 disable ffplay ffserver vhook
1487 disable $INDEV_LIST $OUTDEV_LIST
1488 network_extralibs="-lsocket"
1489 EXESUF=".exe"
1490 objformat="win32"
1491 enable dos_paths
1492 ;;
1493 linux)
1494 enable dv1394
1495 ;;
1496 irix*)
1497 target_os=irix
1498 ranlib="echo ignoring ranlib"
1499 ;;
1500 os/2*)
1501 strip="lxlite"
1502 ln_s="cp -f"
1503 EXESUF=".exe"
1504 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1505 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1506 FFSERVERLDFLAGS=""
1507 LIBSUF="_s.a"
1508 SLIBPREF=""
1509 SLIBSUF=".dll"
1510 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1511 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1512 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1513 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1514 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1515 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1516 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1517 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1518 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1519 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1520 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1521 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1522 disable vhook
1523 enable dos_paths
1524 ;;
1525 interix)
1526 disable vhook
1527 ;;
1528
1529 *)
1530 target_os="${target_os}-UNKNOWN"
1531 ;;
1532 esac
1533
1534 set_default $PATHS_LIST
1535
1536 add_extralibs $osextralibs
1537
1538 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1539 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1540
1541 # we need to build at least one lib type
1542 if ! enabled_any static shared; then
1543 cat <<EOF
1544 At least one library type must be built.
1545 Specify --enable-static to build the static libraries or --enable-shared to
1546 build the shared libraries as well. To only build the shared libraries specify
1547 --disable-static in addition to --enable-shared.
1548 EOF
1549 exit 1;
1550 fi
1551
1552 disabled static && LIBNAME=""
1553
1554 if enabled_any libfaad libfaadbin ; then
1555 if check_header faad.h; then
1556 check_cc <<EOF
1557 #include <faad.h>
1558 #ifndef FAAD2_VERSION
1559 ok faad1
1560 #endif
1561 int main(void) { return 0; }
1562 EOF
1563 test $? = 0 && enable libfaad2
1564 else
1565 die "FAAD test failed."
1566 fi
1567 fi
1568
1569
1570 if ! enabled gpl; then
1571 die_gpl_disabled(){
1572 name=$1
1573 shift
1574 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1575 }
1576 die_gpl_disabled "The Postprocessing code" postproc
1577 die_gpl_disabled "libx264" libx264
1578 die_gpl_disabled "libxvidcore" libxvid
1579 die_gpl_disabled "FAAD2" libfaad2
1580 die_gpl_disabled "The X11 grabber" x11grab
1581 die_gpl_disabled "The software scaler" swscale
1582 fi
1583
1584 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1585 die "libamr is nonfree and --enable-nonfree is not specified."
1586 fi
1587
1588 check_deps $ARCH_EXT_LIST
1589
1590 test -z "$need_memalign" && need_memalign="$mmx"
1591
1592 #Darwin CC versions
1593 if test $target_os = darwin; then
1594 if $cc -v 2>&1 | grep -q xlc; then
1595 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1596 else
1597 add_cflags "-pipe"
1598 check_cflags "-force_cpusubtype_ALL"
1599 check_cflags "-Wno-sign-compare"
1600 enabled shared || check_cflags -mdynamic-no-pic
1601 fi
1602 fi
1603
1604 disabled optimizations || check_cflags -fomit-frame-pointer
1605
1606 # Add processor-specific flags
1607 if test $cpu != "generic"; then
1608 warn_altivec(){
1609 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1610 }
1611 case $cpu in
1612 601|ppc601|PowerPC601)
1613 add_cflags "-mcpu=601"
1614 warn_altivec enabled PPC601
1615 ;;
1616 603*|ppc603*|PowerPC603*)
1617 add_cflags "-mcpu=603"
1618 warn_altivec enabled PPC603
1619 ;;
1620 604*|ppc604*|PowerPC604*)
1621 add_cflags "-mcpu=604"
1622 warn_altivec enabled PPC604
1623 ;;
1624 G3|g3|75*|ppc75*|PowerPC75*)
1625 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1626 warn_altivec enabled PPC75x
1627 ;;
1628 G4|g4|745*|ppc745*|PowerPC745*)
1629 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1630 warn_altivec disabled PPC745x
1631 ;;
1632 74*|ppc74*|PowerPC74*)
1633 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1634 warn_altivec disabled PPC74xx
1635 ;;
1636 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1637 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1638 warn_altivec disabled PPC970
1639 enable ppc64
1640 ;;
1641 Cell|CELL|cell)
1642 add_cflags "-mcpu=cell"
1643 warn_altivec disabled Cell
1644 enable ppc64
1645 ;;
1646 # targets that do NOT support conditional mov (cmov)
1647 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1648 add_cflags "-march=$cpu"
1649 disable cmov
1650 ;;
1651 # targets that do support conditional mov (cmov)
1652 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1653 add_cflags "-march=$cpu"
1654 enable cmov
1655 enable fast_cmov
1656 ;;
1657 # targets that do support conditional mov but on which it's slow
1658 pentium4|pentium4m|prescott|nocona)
1659 add_cflags "-march=$cpu"
1660 enable cmov
1661 disable fast_cmov
1662 ;;
1663 sparc64)
1664 add_cflags "-mcpu=v9"
1665 ;;
1666 arm11*|cortex*)
1667 add_cflags "-mcpu=$cpu"
1668 enable fast_unaligned
1669 ;;
1670 armv*)
1671 add_cflags "-march=$cpu"
1672 ;;
1673 arm*)
1674 add_cflags "-mcpu=$cpu"
1675 ;;
1676 *)
1677 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1678 ;;
1679 esac
1680 fi
1681
1682 # make sure we can execute files in $TMPDIR
1683 cat > $TMPSH 2>> $logfile <<EOF
1684 #! /bin/sh
1685 EOF
1686 chmod +x $TMPSH >> $logfile 2>&1
1687 if ! $TMPSH >> $logfile 2>&1; then
1688 cat <<EOF
1689 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1690 variable to another directory and make sure that it is not mounted noexec.
1691 EOF
1692 die "Sanity test failed."
1693 fi
1694 rm $TMPSH
1695
1696 # compiler sanity check
1697 check_exec <<EOF
1698 int main(void){ return 0; }
1699 EOF
1700 if test "$?" != 0; then
1701 echo "$cc is unable to create an executable file."
1702 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1703 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1704 echo "Only do this if you know what cross compiling means."
1705 fi
1706 die "C compiler test failed."
1707 fi
1708
1709 check_cc <<EOF || die "Symbol mangling check failed."
1710 int ff_extern;
1711 EOF
1712 sym=$($nm -P -g $TMPO | grep ff_extern)
1713 extern_prefix=${sym%%ff_extern*}
1714
1715 check_asm inline_asm '""'
1716
1717 if enabled x86; then
1718 # check whether EBP is available on x86
1719 # As 'i' is stored on the stack, this program will crash
1720 # if the base pointer is used to access it because the
1721 # base pointer is cleared in the inline assembly code.
1722 check_exec_crash <<EOF && enable ebp_available
1723 volatile int i=0;
1724 __asm__ volatile (
1725 "xorl %%ebp, %%ebp"
1726 ::: "%ebp");
1727 return i;
1728 EOF
1729
1730 # check wether EBX is available on x86
1731 check_asm ebx_available '"":::"%ebx"'
1732
1733 # check whether binutils is new enough to compile SSSE3/MMX2
1734 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1735 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1736
1737 check_asm bswap '"bswap %%eax" ::: "%eax"'
1738
1739 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1740 enabled x86_64 && append YASMFLAGS "-m amd64"
1741 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1742 case "$objformat" in
1743 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1744 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1745 *) append YASMFLAGS "-DPREFIX" ;;
1746 esac
1747 check_yasm "pabsw xmm0, xmm0" && enable yasm
1748 fi
1749
1750 # check for assembler specific support
1751
1752 if test $arch = "ppc"; then
1753 check_asm dcbzl '"dcbzl 0, 1"'
1754 fi
1755
1756 # check for SIMD availability
1757
1758 # AltiVec flags: The FSF version of GCC differs from the Apple version
1759 if enabled altivec; then
1760 check_cflags -maltivec -mabi=altivec &&
1761 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1762 check_cflags -faltivec
1763
1764 # check if our compiler supports Motorola AltiVec C API
1765 check_cc <<EOF || disable altivec
1766 $inc_altivec_h
1767 int main(void) {
1768 vector signed int v1, v2, v3;
1769 v1 = vec_add(v2,v3);
1770 return 0;
1771 }
1772 EOF
1773
1774 # check if our compiler supports braces for vector declarations
1775 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1776 $inc_altivec_h
1777 int main (void) { (vector int) {1}; return 0; }
1778 EOF
1779 fi
1780
1781 # We have to check if pld is a nop and disable it.
1782 enabled arm && check_asm pld '"pld [r0]"'
1783 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1784 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1785 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1786 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1787 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1788 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1789 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1790
1791 enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1792
1793 # ---
1794 # big/little-endian test
1795 check_cc <<EOF || die "endian test failed"
1796 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1797 EOF
1798 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1799
1800 # ---
1801 # check availability of some header files
1802
1803 if check_func dlopen; then
1804 ldl=
1805 elif check_func dlopen -ldl; then
1806 ldl=-ldl
1807 fi
1808
1809 check_func fork
1810 check_func gethrtime
1811 check_func getrusage
1812 check_func inet_aton $network_extralibs
1813 check_func memalign
1814 check_func mkstemp
1815 check_func_headers windows.h GetProcessTimes
1816
1817 check_header conio.h
1818 check_header dlfcn.h
1819 check_header malloc.h
1820 check_header poll.h
1821 check_header sys/mman.h
1822 check_header sys/resource.h
1823 check_header sys/select.h
1824 check_header termios.h
1825 check_header X11/extensions/XvMClib.h
1826
1827 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1828 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1829 fi
1830
1831 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1832 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1833
1834 # check for some common methods of building with pthread support
1835 # do this before the optional library checks as some of them require pthreads
1836 if enabled pthreads; then
1837 if check_func pthread_create; then
1838 :
1839 elif check_func pthread_create -pthread; then
1840 add_cflags -pthread
1841 add_extralibs -pthread
1842 elif check_func pthread_create -pthreads; then
1843 add_cflags -pthreads
1844 add_extralibs -pthreads
1845 elif check_func pthread_create -lpthreadGC2; then
1846 add_extralibs -lpthreadGC2
1847 elif ! check_lib pthread.h pthread_create -lpthread; then
1848 die "ERROR: can't find pthreads library"
1849 fi
1850 fi
1851
1852 for thread in $THREADS_LIST; do
1853 if enabled $thread; then
1854 test -n "$thread_type" &&
1855 die "ERROR: Only one thread type must be selected." ||
1856 thread_type="$thread"
1857 fi
1858 done
1859
1860 check_lib math.h sin -lm
1861
1862 # test for C99 functions in math.h
1863 for func in llrint lrint lrintf round roundf; do
1864 check_exec <<EOF && enable $func || disable $func
1865 #include <math.h>
1866 int main(void) { return ($func(3.999f) > 0)?0:1; }
1867 EOF
1868 done
1869
1870 # these are off by default, so fail if requested and not available
1871 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1872 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1873 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1874 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1875 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1876 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1877 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1878 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1879 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1880 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1881 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1882 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1883 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1884 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1885 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1886 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1887 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1888 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1889 die "ERROR: libx264 version must be >= 0.65."; }
1890 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1891 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1892
1893 # libdc1394 check
1894 if enabled libdc1394; then
1895 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1896 enable libdc1394_2; } ||
1897 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1898 enable libdc1394_1; } ||
1899 die "ERROR: No version of libdc1394 found "
1900 fi
1901
1902
1903 _restrict=
1904 for restrict_keyword in restrict __restrict__ __restrict; do
1905 check_cc <<EOF && _restrict=$restrict_keyword && break
1906 void foo(char * $restrict_keyword p);
1907 EOF
1908 done
1909
1910 test "$vhook" = "default" && vhook="$dlopen"
1911
1912 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1913 disable vhook
1914 echo
1915 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1916 echo "Patches welcome."
1917 echo
1918 fi
1919
1920 if enabled vhook; then
1921 check_ldflags -rdynamic
1922 check_ldflags -export-dynamic
1923 fi
1924
1925 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1926 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1927
1928 ##########################################
1929 # SDL check
1930
1931 disable sdl_too_old
1932 disable sdl
1933 SDL_CONFIG="${cross_prefix}sdl-config"
1934 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1935 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1936 temp_cflags $sdl_cflags
1937 temp_extralibs `"${SDL_CONFIG}" --libs`
1938 if check_lib2 SDL.h SDL_Init; then
1939 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1940 if test "$_sdlversion" -lt 121 ; then
1941 enable sdl_too_old
1942 else
1943 enable sdl
1944 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1945 #include <SDL.h>
1946 int main(int argc, char **argv){
1947 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1948 int w = vi->current_w;
1949 return 0;
1950 }
1951 EOF
1952 fi
1953 fi
1954 restore_flags
1955 fi
1956
1957 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1958
1959 ##########################################
1960 # Network check
1961
1962 if enabled network; then
1963 check_type "sys/types.h sys/socket.h" socklen_t
1964 # Prefer arpa/inet.h over winsock2
1965 if check_header arpa/inet.h ; then
1966 check_func closesocket
1967 elif check_header winsock2.h ; then
1968 network_extralibs="-lws2_32"
1969 check_type ws2tcpip.h socklen_t
1970 check_func_headers winsock2.h closesocket
1971 fi
1972 fi
1973
1974 ##########################################
1975 # IPv6 check
1976
1977 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1978 #include <sys/types.h>
1979 #include <sys/socket.h>
1980 #include <netinet/in.h>
1981 #include <netdb.h>
1982 int main(void) {
1983 struct sockaddr_storage saddr;
1984 struct ipv6_mreq mreq6;
1985 getaddrinfo(0,0,0,0);
1986 getnameinfo(0,0,0,0,0,0,0);
1987 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1988 }
1989 EOF
1990
1991 check_header linux/videodev.h
1992 check_header linux/videodev2.h
1993 check_header sys/videoio.h
1994
1995 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1996
1997 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1998 { check_header dev/bktr/ioctl_meteor.h &&
1999 check_header dev/bktr/ioctl_bt848.h; } ||
2000 { check_header machine/ioctl_meteor.h &&
2001 check_header machine/ioctl_bt848.h; } ||
2002 { check_header dev/video/meteor/ioctl_meteor.h &&
2003 check_header dev/video/bktr/ioctl_bt848.h; } ||
2004 check_header dev/ic/bt8xx.h
2005
2006 check_header sys/soundcard.h
2007 check_header soundcard.h
2008
2009 # deal with the X11 frame grabber
2010 enabled x11grab &&
2011 check_header X11/Xlib.h &&
2012 check_header X11/extensions/XShm.h &&
2013 check_func XOpenDisplay -lX11 &&
2014 check_func XShmCreateImage -lX11 -lXext
2015
2016 enabled debug && add_cflags -g"$debuglevel"
2017
2018 # add some useful compiler flags if supported
2019 check_cflags -Wdeclaration-after-statement
2020 check_cflags -Wall
2021 check_cflags -Wno-switch
2022 check_cflags -Wdisabled-optimization
2023 check_cflags -Wpointer-arith
2024 check_cflags -Wredundant-decls
2025 check_cflags -Wno-pointer-sign
2026 check_cflags -Wcast-qual
2027 check_cflags -Wwrite-strings
2028 check_cflags -Wtype-limits
2029 enabled extra_warnings && check_cflags -Winline
2030
2031 # add some linker flags
2032 check_ldflags -Wl,--warn-common
2033 check_ldflags -Wl,--as-needed
2034 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2035 check_ldflags -Wl,-Bsymbolic
2036
2037 if enabled small; then
2038 check_cflags -Os # not all compilers support -Os
2039 optimizations="small"
2040 elif enabled optimizations; then
2041 if $cc -v 2>&1 | grep -q xlc; then
2042 add_cflags "-O5"
2043 add_ldflags "-O5"
2044 else
2045 add_cflags "-O3"
2046 fi
2047 fi
2048 check_cflags -fno-math-errno
2049 check_cflags -fno-signed-zeros
2050
2051 # add some flags for Intel C Compiler
2052 if $cc --version 2> /dev/null | grep -q Intel; then
2053 # Just warnings, no remarks
2054 check_cflags -w1
2055 # -wd: Disable following warnings
2056 # 144, 167, 556: -Wno-pointer-sign
2057 # 10006: ignoring unknown option -fno-signed-zeros
2058 # 10156: ignoring option '-W'; no argument required
2059 check_cflags -wd144,167,556,10006,10156
2060 # 11030: Warning unknown option --as-needed
2061 # 10156: ignoring option '-export'; no argument required
2062 check_ldflags -wd10156,11030
2063 # Allow to compile with optimizations
2064 check_ldflags -march=$cpu
2065 fi
2066
2067 # PIC flags for shared library objects where they are needed
2068 if enabled shared; then
2069 # LIBOBJFLAGS may have already been set in the OS configuration
2070 if test -z "$LIBOBJFLAGS" ; then
2071 case "$arch" in
2072 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2073 esac
2074 fi
2075 fi
2076
2077 if enabled gprof; then
2078 add_cflags "-p"
2079 add_ldflags "-p"
2080 fi
2081
2082 VHOOKCFLAGS="-fPIC"
2083
2084 # Find out if the .align argument is a power of two or not.
2085 check_asm asmalign_pot '".align 3"'
2086
2087 enabled_any $DECODER_LIST && enable decoders
2088 enabled_any $ENCODER_LIST && enable encoders
2089 enabled_any $BSF_LIST && enable bsfs
2090 enabled_any $DEMUXER_LIST && enable demuxers
2091 enabled_any $MUXER_LIST && enable muxers
2092 enabled_any $FILTER_LIST && enable filters
2093 enabled_any $INDEV_LIST && enable demuxers
2094 enabled_any $OUTDEV_LIST && enable muxers
2095 enabled_any $PROTOCOL_LIST && enable protocols
2096
2097 enabled_any $THREADS_LIST && enable threads
2098
2099 check_deps $CONFIG_LIST \
2100 $CONFIG_EXTRA \
2101 $HAVE_LIST \
2102 $DECODER_LIST \
2103 $ENCODER_LIST \
2104 $PARSER_LIST \
2105 $BSF_LIST \
2106 $DEMUXER_LIST \
2107 $MUXER_LIST \
2108 $FILTER_LIST \
2109 $INDEV_LIST \
2110 $OUTDEV_LIST \
2111 $PROTOCOL_LIST \
2112
2113 echo "install prefix $prefix"
2114 echo "source path $source_path"
2115 echo "C compiler $cc"
2116 echo ".align is power-of-two $asmalign_pot"
2117 echo "ARCH $arch ($cpu)"
2118 if test "$build_suffix" != ""; then
2119 echo "build suffix $build_suffix"
2120 fi
2121 if test "$extra_version" != ""; then
2122 echo "version string suffix $extra_version"
2123 fi
2124 echo "big-endian ${bigendian-no}"
2125 if test $arch = "x86_32" -o $arch = "x86_64"; then
2126 echo "yasm ${yasm-no}"
2127 echo "MMX enabled ${mmx-no}"
2128 echo "CMOV enabled ${cmov-no}"
2129 echo "CMOV is fast ${fast_cmov-no}"
2130 echo "EBX available ${ebx_available-no}"
2131 echo "EBP available ${ebp_available-no}"
2132 fi
2133 if test $arch = "arm"; then
2134 echo "ARMv5TE enabled ${armv5te-no}"
2135 echo "ARMv6 enabled ${armv6-no}"
2136 echo "ARM VFP enabled ${armvfp-no}"
2137 echo "IWMMXT enabled ${iwmmxt-no}"
2138 echo "NEON enabled ${neon-no}"
2139 fi
2140 if test $arch = "mips"; then
2141 echo "MMI enabled ${mmi-no}"
2142 fi
2143 if test $arch = "ppc"; then
2144 echo "AltiVec enabled ${altivec-no}"
2145 echo "dcbzl available ${dcbzl-no}"
2146 fi
2147 echo "gprof enabled ${gprof-no}"
2148 echo "debug symbols ${debug-no}"
2149 echo "strip symbols ${stripping-no}"
2150 echo "optimizations ${optimizations-no}"
2151 echo "static ${static-no}"
2152 echo "shared ${shared-no}"
2153 echo "postprocessing support ${postproc-no}"
2154 echo "software scaler enabled ${swscale-no}"
2155 echo "new filter support ${avfilter-no}"
2156 echo "filters using lavformat ${avfilter_lavf-no}"
2157 echo "video hooking ${vhook-no}"
2158 if enabled vhook; then
2159 echo "Imlib2 support ${imlib2-no}"
2160 echo "FreeType support ${freetype2-no}"
2161 fi
2162 echo "network support ${network-no}"
2163 if enabled network; then
2164 echo "IPv6 support ${ipv6-no}"
2165 fi
2166 echo "threading support ${thread_type-no}"
2167 echo "SDL support ${sdl-no}"
2168 if enabled sdl_too_old; then
2169 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2170 fi
2171 echo "Sun medialib support ${mlib-no}"
2172 echo "AVISynth enabled ${avisynth-no}"
2173 echo "libamr-nb support ${libamr_nb-no}"
2174 echo "libamr-wb support ${libamr_wb-no}"
2175 echo "libdc1394 support ${libdc1394-no}"
2176 echo "libdirac enabled ${libdirac-no}"
2177 echo "libfaac enabled ${libfaac-no}"
2178 echo "libfaad enabled ${libfaad-no}"
2179 echo "libfaad dlopened ${libfaadbin-no}"
2180 echo "libgsm enabled ${libgsm-no}"
2181 echo "libmp3lame enabled ${libmp3lame-no}"
2182 echo "libnut enabled ${libnut-no}"
2183 echo "libschroedinger enabled ${libschroedinger-no}"
2184 echo "libspeex enabled ${libspeex-no}"
2185 echo "libtheora enabled ${libtheora-no}"
2186 echo "libvorbis enabled ${libvorbis-no}"
2187 echo "libx264 enabled ${libx264-no}"
2188 echo "libxvid enabled ${libxvid-no}"
2189 echo "zlib enabled ${zlib-no}"
2190 echo "bzlib enabled ${bzlib-no}"
2191 echo
2192
2193 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2194 echo "Enabled ${type}s:"
2195 eval list=\$$(toupper $type)_LIST
2196 for part in $list; do
2197 enabled $part && echo ${part%_*}
2198 done | sort | pr -3 -t
2199 echo
2200 done
2201
2202 license="LGPL"
2203 if enabled nonfree; then
2204 license="unredistributable"
2205 elif enabled gpl; then
2206 license="GPL"
2207 fi
2208
2209 echo "License: $license"
2210
2211 echo "Creating config.mak and config.h..."
2212
2213 echo "# Automatically generated by configure - do not modify!" > config.mak
2214 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2215 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2216 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2217 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2218
2219 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2220 echo "prefix=$prefix" >> config.mak
2221 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2222 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2223 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2224 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2225 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2226 echo "CC=$cc" >> config.mak
2227 echo "YASM=$yasmexe" >> config.mak
2228 echo "AR=$ar" >> config.mak
2229 echo "RANLIB=$ranlib" >> config.mak
2230 echo "LN_S=$ln_s" >> config.mak
2231 enabled stripping &&
2232 echo "STRIP=$strip" >> config.mak ||
2233 echo "STRIP=echo ignoring strip" >> config.mak
2234
2235 echo "OPTFLAGS=$CFLAGS" >> config.mak
2236 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2237 echo "LDFLAGS=$LDFLAGS" >> config.mak
2238 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2239 echo "SHFLAGS=$SHFLAGS" >> config.mak
2240 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2241 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2242 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2243 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2244 echo "BUILD_STATIC=$static" >> config.mak
2245 echo "BUILDSUF=$build_suffix" >> config.mak
2246 echo "FULLNAME=$FULLNAME" >> config.mak
2247 echo "LIBPREF=$LIBPREF" >> config.mak
2248 echo "LIBSUF=$LIBSUF" >> config.mak
2249 echo "LIBNAME=$LIBNAME" >> config.mak
2250 echo "SLIBPREF=$SLIBPREF" >> config.mak
2251 echo "SLIBSUF=$SLIBSUF" >> config.mak
2252 echo "EXESUF=$EXESUF" >> config.mak
2253 echo "EXTRA_VERSION=$extra_version" >> config.mak
2254 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2255 echo "HOSTCC=$host_cc" >> config.mak
2256 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2257 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2258 echo "HOSTLIBS=$host_libs" >> config.mak
2259 echo "TARGET_EXEC=$target_exec" >> config.mak
2260 echo "TARGET_PATH=$target_path" >> config.mak
2261
2262 if enabled bigendian; then
2263 echo "WORDS_BIGENDIAN=yes" >> config.mak
2264 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2265 fi
2266
2267 if enabled sdl; then
2268 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2269 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2270 fi
2271 if enabled texi2html; then
2272 echo "BUILD_DOC=yes" >> config.mak
2273 fi
2274
2275 get_version(){
2276 name=$1
2277 file=$source_path/$2
2278 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2279 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2280 lcname=$(tolower $name)
2281 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2282 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2283 }
2284
2285 get_version LIBSWSCALE libswscale/swscale.h
2286 get_version LIBPOSTPROC libpostproc/postprocess.h
2287 get_version LIBAVCODEC libavcodec/avcodec.h
2288 get_version LIBAVDEVICE libavdevice/avdevice.h
2289 get_version LIBAVFORMAT libavformat/avformat.h
2290 get_version LIBAVUTIL libavutil/avutil.h
2291 get_version LIBAVFILTER libavfilter/avfilter.h
2292
2293 if enabled shared; then
2294 echo "BUILD_SHARED=yes" >> config.mak
2295 echo "PIC=-fPIC -DPIC" >> config.mak
2296 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2297 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2298 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2299 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2300 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2301 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2302 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2303 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2304 fi
2305 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2306 echo "EXTRALIBS=$extralibs" >> config.mak
2307
2308 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2309 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2310 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2311 $CONFIG_EXTRA \
2312 $DECODER_LIST \
2313 $ENCODER_LIST \
2314 $PARSER_LIST \
2315 $BSF_LIST \
2316 $DEMUXER_LIST \
2317 $MUXER_LIST \
2318 $FILTER_LIST \
2319 $PROTOCOL_LIST \
2320 $INDEV_LIST \
2321 $OUTDEV_LIST \
2322
2323 echo "#define restrict $_restrict" >> $TMPH
2324
2325 if enabled small; then
2326 echo "#define av_always_inline" >> $TMPH
2327 fi
2328
2329 echo "SRC_PATH=\"$source_path\"" >> config.mak
2330 echo "SRC_PATH_BARE=$source_path" >> config.mak
2331 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2332
2333 # Apparently it's not possible to portably echo a backslash.
2334 enabled asmalign_pot &&
2335 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2336 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2337
2338 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2339
2340 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2341
2342 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2343 cmp -s $TMPH config.h &&
2344 echo "config.h is unchanged" ||
2345 mv -f $TMPH config.h
2346
2347 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2348
2349 # build tree in object directory if source path is different from current one
2350 if enabled source_path_used; then
2351 DIRS="\
2352 doc \
2353 libavcodec \
2354 libavcodec/alpha \
2355 libavcodec/arm \
2356 libavcodec/bfin \
2357 libavcodec/mlib \
2358 libavcodec/ppc \
2359 libavcodec/sh4 \
2360 libavcodec/sparc \
2361 libavcodec/x86 \
2362 libavdevice \
2363 libavfilter \
2364 libavformat \
2365 libavutil \
2366 libpostproc \
2367 libswscale \
2368 tests \
2369 tools \
2370 vhook \
2371 "
2372 FILES="\
2373 Makefile \
2374 common.mak \
2375 subdir.mak \
2376 doc/texi2pod.pl \
2377 libavcodec/Makefile \
2378 libavdevice/Makefile \
2379 libavfilter/Makefile \
2380 libavformat/Makefile \
2381 libavutil/Makefile \
2382 libpostproc/Makefile \
2383 libswscale/Makefile \
2384 "
2385 for dir in $DIRS ; do
2386 mkdir -p $dir
2387 done
2388 for f in $FILES ; do
2389 $ln_s "$source_path/$f" $f
2390 done
2391 fi
2392
2393
2394 # build pkg-config files
2395
2396 pkgconfig_generate(){
2397 name=$1
2398 shortname=${name#lib}${build_suffix}
2399 comment=$2
2400 version=$3
2401 libs=$4
2402 requires=$5
2403 cat <<EOF > $name/$name.pc
2404 prefix=$prefix
2405 exec_prefix=\${prefix}
2406 libdir=$libdir
2407 includedir=$incdir
2408
2409 Name: $name
2410 Description: $comment
2411 Version: $version
2412 Requires: $(disabled shared && echo $requires)
2413 Requires.private: $(enabled shared && echo $requires)
2414 Conflicts:
2415 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2416 Libs.private: $(enabled shared && echo $libs)
2417 Cflags: -I\${includedir}
2418 EOF
2419 cat <<EOF > $name/$name-uninstalled.pc
2420 prefix=
2421 exec_prefix=
2422 libdir=\${pcfiledir}
2423 includedir=${source_path}
2424
2425 Name: $name
2426 Description: $comment
2427 Version: $version
2428 Requires: $requires
2429 Conflicts:
2430 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2431 Cflags: -I\${includedir}
2432 EOF
2433 }
2434
2435 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2436 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2437 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2438 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2439 enabled avfilter &&
2440 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2441 enabled postproc &&
2442 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2443 if enabled swscale; then
2444 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2445 else
2446 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2447 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2448 fi