mingw32: call lib.exe instead of lib to facilitate running it through wine.
[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 " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
72 echo
73 echo "Configuration options:"
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
83 echo " --enable-postproc enable GPLed postprocessing support [no]"
84 echo " --enable-avfilter video filter support [no]"
85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
95 echo " --disable-fastdiv disable table-based division"
96 echo " --enable-small optimize for size instead of speed"
97 echo " --disable-aandct disable AAN DCT code"
98 echo " --disable-fft disable FFT code"
99 echo " --disable-golomb disable Golomb code"
100 echo " --disable-mdct disable MDCT code"
101 echo " --disable-rdft disable RDFT code"
102 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
103 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
104 echo " --enable-beos-netserver enable BeOS netserver"
105 echo " --disable-encoder=NAME disable encoder NAME"
106 echo " --enable-encoder=NAME enable encoder NAME"
107 echo " --disable-encoders disable all encoders"
108 echo " --disable-decoder=NAME disable decoder NAME"
109 echo " --enable-decoder=NAME enable decoder NAME"
110 echo " --disable-decoders disable all decoders"
111 echo " --disable-muxer=NAME disable muxer NAME"
112 echo " --enable-muxer=NAME enable muxer NAME"
113 echo " --disable-muxers disable all muxers"
114 echo " --disable-demuxer=NAME disable demuxer NAME"
115 echo " --enable-demuxer=NAME enable demuxer NAME"
116 echo " --disable-demuxers disable all demuxers"
117 echo " --enable-parser=NAME enable parser NAME"
118 echo " --disable-parser=NAME disable parser NAME"
119 echo " --disable-parsers disable all parsers"
120 echo " --enable-bsf=NAME enable bitstream filter NAME"
121 echo " --disable-bsf=NAME disable bitstream filter NAME"
122 echo " --disable-bsfs disable all bitstream filters"
123 echo " --enable-protocol=NAME enable protocol NAME"
124 echo " --disable-protocol=NAME disable protocol NAME"
125 echo " --disable-protocols disable all protocols"
126 echo " --disable-indevs disable input devices"
127 echo " --disable-outdevs disable output devices"
128 echo " --disable-devices disable all devices"
129 echo " --enable-filter=NAME enable filter NAME"
130 echo " --disable-filter=NAME disable filter NAME"
131 echo " --disable-filters disable all filters"
132 echo " --list-decoders show all available decoders"
133 echo " --list-encoders show all available encoders"
134 echo " --list-muxers show all available muxers"
135 echo " --list-demuxers show all available demuxers"
136 echo " --list-parsers show all available parsers"
137 echo " --list-protocols show all available protocols"
138 echo " --list-bsfs show all available bitstream filters"
139 echo " --list-indevs show all available input devices"
140 echo " --list-outdevs show all available output devices"
141 echo " --list-filters show all available filters"
142 echo
143 echo "External library support:"
144 echo " --enable-avisynth enable reading of AVISynth script files [no]"
145 echo " --enable-bzlib enable bzlib [autodetect]"
146 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
147 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
148 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
149 echo " and libraw1394 [no]"
150 echo " --enable-libdirac enable Dirac support via libdirac [no]"
151 echo " --enable-libfaac enable FAAC support via libfaac [no]"
152 echo " --enable-libfaad enable FAAD support via libfaad [no]"
153 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
154 echo " --enable-libgsm enable GSM support via libgsm [no]"
155 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
156 echo " --enable-libnut enable NUT (de)muxing via libnut,"
157 echo " native (de)muxer exists [no]"
158 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
159 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
160 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
161 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
162 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
163 echo " native implementation exists [no]"
164 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
165 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
166 echo " native MPEG-4/Xvid encoder exists [no]"
167 echo " --enable-mlib enable Sun medialib [no]"
168 echo " --enable-zlib enable zlib [autodetect]"
169 echo ""
170 echo "Advanced options (experts only):"
171 echo " --source-path=PATH path to source code [$source_path]"
172 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
173 echo " --enable-cross-compile assume a cross-compiler is used"
174 echo " --sysroot=PATH root of cross-build tree"
175 echo " --sysinclude=PATH location of cross-build system headers"
176 echo " --target-os=OS compiler targets OS [$target_os]"
177 echo " --target-exec=CMD command to run executables on target"
178 echo " --target-path=DIR path to view of build directory on target"
179 echo " --nm=NM use nm tool"
180 echo " --as=AS use assembler AS [$as_default]"
181 echo " --cc=CC use C compiler CC [$cc_default]"
182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
189 echo " --extra-version=STRING version string suffix []"
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
193 echo " instruction selection, may crash on older CPUs)"
194 echo " --enable-powerpc-perf enable performance report on PPC"
195 echo " (requires enabling PMC)"
196 echo " --disable-altivec disable AltiVec optimizations"
197 echo " --disable-amd3dnow disable 3DNow! optimizations"
198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
201 echo " --disable-sse disable SSE optimizations"
202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
205 echo " --disable-armv6t2 disable armv6t2 optimizations"
206 echo " --disable-armvfp disable ARM VFP optimizations"
207 echo " --disable-iwmmxt disable iwmmxt optimizations"
208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
211 echo " --disable-yasm disable use of yasm assembler"
212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
214 echo " --disable-debug disable debugging symbols"
215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
216 echo " --enable-gprof enable profiling with gprof [$gprof]"
217 echo " --disable-optimizations disable compiler optimizations"
218 echo " --enable-extra-warnings enable more compiler warnings"
219 echo " --disable-stripping disable stripping of executables and shared libraries"
220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
222 exit 0
223 }
224
225 log(){
226 echo "$@" >> $logfile
227 }
228
229 log_file(){
230 log BEGIN $1
231 pr -n -t $1 >> $logfile
232 log END $1
233 }
234
235 echolog(){
236 log "$@"
237 echo "$@"
238 }
239
240 die(){
241 echolog "$@"
242 cat <<EOF
243 If you think configure made a mistake, make sure you are using the latest
244 version from SVN. If the latest version fails, report the problem to the
245 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
246 EOF
247 if disabled logging; then
248 cat <<EOF
249 Rerun configure with logging enabled (do not use --disable-logging), and
250 include the log this produces with your report.
251 EOF
252 else
253 cat <<EOF
254 Include the log file "$logfile" produced by configure as this will help
255 solving the problem.
256 EOF
257 fi
258 exit 1
259 }
260
261 # Avoid locale weirdness, besides we really just want to translate ASCII.
262 toupper(){
263 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
264 }
265
266 tolower(){
267 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
268 }
269
270 c_escape(){
271 echo "$*" | sed 's/["\\]/\\\0/g'
272 }
273
274 set_all(){
275 value=$1
276 shift
277 for var in $*; do
278 eval $var=$value
279 done
280 }
281
282 set_weak(){
283 value=$1
284 shift
285 for var; do
286 eval : \${$var:=$value}
287 done
288 }
289
290 pushvar(){
291 for var in $*; do
292 eval level=\${${var}_level:=0}
293 eval ${var}_${level}="\$$var"
294 eval ${var}_level=$(($level+1))
295 done
296 }
297
298 popvar(){
299 for var in $*; do
300 eval level=\${${var}_level:-0}
301 test $level = 0 && continue
302 eval level=$(($level-1))
303 eval $var="\${${var}_${level}}"
304 eval ${var}_level=$level
305 eval unset ${var}_${level}
306 done
307 }
308
309 enable(){
310 set_all yes $*
311 }
312
313 disable(){
314 set_all no $*
315 }
316
317 enable_weak(){
318 set_weak yes $*
319 }
320
321 disable_weak(){
322 set_weak no $*
323 }
324
325 enable_safe(){
326 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
327 }
328
329 disable_safe(){
330 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331 }
332
333 do_enable_deep(){
334 for var; do
335 enabled $var && continue
336 eval sel="\$${var}_select"
337 eval sgs="\$${var}_suggest"
338 pushvar var sgs
339 enable_deep $sel
340 popvar sgs
341 enable_deep_weak $sgs
342 popvar var
343 done
344 }
345
346 enable_deep(){
347 do_enable_deep $*
348 enable $*
349 }
350
351 enable_deep_weak(){
352 do_enable_deep $*
353 enable_weak $*
354 }
355
356 enabled(){
357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xyes"
359 }
360
361 disabled(){
362 test "${1#!}" = "$1" && op== || op=!=
363 eval test "x\$${1#!}" $op "xno"
364 }
365
366 enabled_all(){
367 for opt; do
368 enabled $opt || return 1
369 done
370 }
371
372 disabled_all(){
373 for opt; do
374 disabled $opt || return 1
375 done
376 }
377
378 enabled_any(){
379 for opt; do
380 enabled $opt && return 0
381 done
382 }
383
384 disabled_any(){
385 for opt; do
386 disabled $opt && return 0
387 done
388 return 1
389 }
390
391 set_default(){
392 for opt; do
393 eval : \${$opt:=\$${opt}_default}
394 done
395 }
396
397 is_in(){
398 value=$1
399 shift
400 for var in $*; do
401 [ $var = $value ] && return 0
402 done
403 return 1
404 }
405
406 check_deps(){
407 for cfg; do
408 cfg="${cfg#!}"
409 enabled ${cfg}_checking && die "Circular dependency for $cfg."
410 disabled ${cfg}_checking && continue
411 enable ${cfg}_checking
412
413 eval dep_all="\$${cfg}_deps"
414 eval dep_any="\$${cfg}_deps_any"
415 eval dep_sel="\$${cfg}_select"
416 eval dep_sgs="\$${cfg}_suggest"
417
418 pushvar cfg dep_all dep_any dep_sel dep_sgs
419 check_deps $dep_all $dep_any $dep_sel $dep_sgs
420 popvar cfg dep_all dep_any dep_sel dep_sgs
421
422 enabled_all $dep_all || disable $cfg
423 enabled_any $dep_any || disable $cfg
424 disabled_any $dep_sel && disable $cfg
425
426 if enabled $cfg; then
427 eval dep_extralibs="\$${cfg}_extralibs"
428 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
429 enable_deep $dep_sel
430 enable_deep_weak $dep_sgs
431 fi
432
433 disable ${cfg}_checking
434 done
435 }
436
437 print_config(){
438 pfx=$1
439 header=$2
440 makefile=$3
441 shift 3
442 for cfg; do
443 ucname="$(toupper $cfg)"
444 if enabled $cfg; then
445 echo "#define ${pfx}${ucname} 1" >> $header
446 echo "${pfx}${ucname}=yes" >> $makefile
447 else
448 echo "#define ${pfx}${ucname} 0" >> $header
449 fi
450 done
451 }
452
453 flags_saved(){
454 (: ${SAVE_CFLAGS?}) 2> /dev/null
455 }
456
457 save_flags(){
458 flags_saved && return
459 SAVE_CFLAGS="$CFLAGS"
460 SAVE_LDFLAGS="$LDFLAGS"
461 SAVE_extralibs="$extralibs"
462 }
463
464 restore_flags(){
465 flags_saved || return
466 CFLAGS="$SAVE_CFLAGS"
467 LDFLAGS="$SAVE_LDFLAGS"
468 extralibs="$SAVE_extralibs"
469 unset SAVE_CFLAGS
470 unset SAVE_LDFLAGS
471 unset SAVE_extralibs
472 }
473
474 temp_cflags(){
475 save_flags
476 CFLAGS="$CFLAGS $*"
477 }
478
479 temp_ldflags(){
480 save_flags
481 LDFLAGS="$LDFLAGS $*"
482 }
483
484 temp_extralibs(){
485 save_flags
486 extralibs="$extralibs $*"
487 }
488
489 append(){
490 var=$1
491 shift
492 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
493 eval "$var=\"\$$var $*\""
494 }
495
496 add_cflags(){
497 append CFLAGS "$@"
498 }
499
500 add_ldflags(){
501 append LDFLAGS "$@"
502 }
503
504 add_extralibs(){
505 append extralibs "$@"
506 }
507
508 check_cmd(){
509 log "$@"
510 "$@" >> $logfile 2>&1
511 }
512
513 check_cc(){
514 log check_cc "$@"
515 cat > $TMPC
516 log_file $TMPC
517 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
518 }
519
520 check_cpp(){
521 log check_cpp "$@"
522 cat > $TMPC
523 log_file $TMPC
524 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
525 }
526
527 check_as(){
528 log check_as "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
532 }
533
534 check_asm(){
535 log check_asm "$@"
536 name="$1"
537 asm="$2"
538 shift 2
539 check_as "$@" <<EOF && enable $name || disable $name
540 void foo(void){ __asm__ volatile($asm); }
541 EOF
542 }
543
544 check_yasm(){
545 log check_yasm "$@"
546 echo "$1" > $TMPS
547 log_file $TMPS
548 shift 1
549 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
550 }
551
552 check_ld(){
553 log check_ld "$@"
554 check_cc || return
555 flags=''
556 libs=''
557 for f; do
558 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
559 done
560 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
561 }
562
563 check_cflags(){
564 log check_cflags "$@"
565 check_cc "$@" <<EOF && add_cflags "$@"
566 int x;
567 EOF
568 }
569
570 check_ldflags(){
571 log check_ldflags "$@"
572 check_ld "$@" <<EOF && add_ldflags "$@"
573 int main(void){ return 0; }
574 EOF
575 }
576
577 check_header(){
578 log check_header "$@"
579 header=$1
580 shift
581 disable_safe $header
582 check_cpp "$@" <<EOF && enable_safe $header
583 #include <$header>
584 int x;
585 EOF
586 }
587
588 check_func(){
589 log check_func "$@"
590 func=$1
591 shift
592 disable $func
593 check_ld "$@" <<EOF && enable $func
594 extern int $func();
595 int main(void){ $func(); }
596 EOF
597 }
598
599 check_func_headers(){
600 log check_func_headers "$@"
601 headers=$1
602 func=$2
603 shift 2
604 disable $func
605 incs=""
606 for hdr in $headers; do
607 incs="$incs
608 #include <$hdr>"
609 done
610 check_ld "$@" <<EOF && enable $func && enable_safe $headers
611 $incs
612 int main(int argc, char **argv){
613 (void) $func;
614 return 0;
615 }
616 EOF
617 }
618
619 check_cpp_condition(){
620 log check_cpp_condition "$@"
621 header=$1
622 condition=$2
623 check_cpp <<EOF
624 #include <$header>
625 #if !($condition)
626 #error "unsatisfied condition: $condition"
627 #endif
628 EOF
629 }
630
631 check_lib(){
632 log check_lib "$@"
633 header="$1"
634 func="$2"
635 shift 2
636 temp_extralibs "$@"
637 check_header $header && check_func $func && add_extralibs "$@"
638 err=$?
639 restore_flags
640 return $err
641 }
642
643 check_lib2(){
644 log check_lib2 "$@"
645 headers="$1"
646 func="$2"
647 shift 2
648 temp_extralibs "$@"
649 check_func_headers "$headers" $func && add_extralibs "$@"
650 err=$?
651 restore_flags
652 return $err
653 }
654
655 check_exec(){
656 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
657 }
658
659 check_exec_crash(){
660 code=$(cat)
661
662 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
663 # are safe but may not be available everywhere. Thus we use
664 # raise(SIGTERM) instead. The check is run in a subshell so we
665 # can redirect the "Terminated" message from the shell. SIGBUS
666 # is not defined by standard C so it is used conditionally.
667
668 (check_exec "$@") >> $logfile 2>&1 <<EOF
669 #include <signal.h>
670 static void sighandler(int sig){
671 raise(SIGTERM);
672 }
673 int main(void){
674 signal(SIGILL, sighandler);
675 signal(SIGFPE, sighandler);
676 signal(SIGSEGV, sighandler);
677 #ifdef SIGBUS
678 signal(SIGBUS, sighandler);
679 #endif
680 { $code }
681 }
682 EOF
683 }
684
685 check_type(){
686 log check_type "$@"
687 headers=$1
688 type=$2
689 shift 2
690 disable $type
691 incs=""
692 for hdr in $headers; do
693 incs="$incs
694 #include <$hdr>"
695 done
696 check_cc "$@" <<EOF && enable $type
697 $incs
698 $type v;
699 EOF
700 }
701
702 require(){
703 name="$1"
704 header="$2"
705 func="$3"
706 shift 3
707 check_lib $header $func "$@" || die "ERROR: $name not found"
708 }
709
710 require2(){
711 name="$1"
712 headers="$2"
713 func="$3"
714 shift 3
715 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
716 }
717
718 check_foo_config(){
719 cfg=$1
720 pkg=$2
721 header=$3
722 func=$4
723 shift 4
724 disable $cfg
725 check_cmd ${pkg}-config --version
726 err=$?
727 if test "$err" = 0; then
728 temp_cflags $(${pkg}-config --cflags)
729 temp_extralibs $(${pkg}-config --libs)
730 check_lib "$@" $header $func && enable $cfg
731 fi
732 return $err
733 }
734
735 apply(){
736 file=$1
737 shift
738 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
739 }
740
741 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
742 # system-dependent things.
743
744 COMPONENT_LIST="
745 bsfs
746 decoders
747 demuxers
748 encoders
749 filters
750 indevs
751 muxers
752 outdevs
753 parsers
754 protocols
755 "
756
757 CONFIG_LIST="
758 $COMPONENT_LIST
759 aandct
760 avfilter
761 avfilter_lavf
762 avisynth
763 beos_netserver
764 bzlib
765 fastdiv
766 ffmpeg
767 ffplay
768 ffserver
769 fft
770 golomb
771 gpl
772 gprof
773 gray
774 hardcoded_tables
775 ipv6
776 libamr_nb
777 libamr_wb
778 libdc1394
779 libdirac
780 libfaac
781 libfaad
782 libfaadbin
783 libgsm
784 libmp3lame
785 libnut
786 libopenjpeg
787 libschroedinger
788 libspeex
789 libtheora
790 libvorbis
791 libx264
792 libxvid
793 mdct
794 memalign_hack
795 mlib
796 mpegaudio_hp
797 network
798 nonfree
799 postproc
800 powerpc_perf
801 rdft
802 shared
803 small
804 static
805 x11grab
806 zlib
807 "
808
809 THREADS_LIST='
810 beosthreads
811 os2threads
812 pthreads
813 w32threads
814 '
815
816 ARCH_LIST='
817 alpha
818 arm
819 bfin
820 ia64
821 m68k
822 mips
823 parisc
824 ppc
825 s390
826 sh4
827 sparc
828 sparc64
829 x86
830 x86_32
831 x86_64
832 '
833
834 ARCH_EXT_LIST='
835 altivec
836 amd3dnow
837 amd3dnowext
838 armv5te
839 armv6
840 armv6t2
841 armvfp
842 iwmmxt
843 mmi
844 mmx
845 mmx2
846 neon
847 ppc4xx
848 sse
849 ssse3
850 vis
851 '
852
853 HAVE_LIST="
854 $ARCH_EXT_LIST
855 $THREADS_LIST
856 alsa_asoundlib_h
857 altivec_h
858 arpa_inet_h
859 bswap
860 closesocket
861 cmov
862 conio_h
863 dcbzl
864 dev_bktr_ioctl_bt848_h
865 dev_bktr_ioctl_meteor_h
866 dev_ic_bt8xx_h
867 dev_video_meteor_ioctl_meteor_h
868 dev_video_bktr_ioctl_bt848_h
869 dlfcn_h
870 dlopen
871 dos_paths
872 ebp_available
873 ebx_available
874 fast_64bit
875 fast_cmov
876 fast_unaligned
877 fork
878 gethrtime
879 GetProcessTimes
880 getrusage
881 inet_aton
882 inline_asm
883 libdc1394_1
884 libdc1394_2
885 llrint
886 lrint
887 lrintf
888 machine_ioctl_bt848_h
889 machine_ioctl_meteor_h
890 malloc_h
891 memalign
892 mkstemp
893 pld
894 posix_memalign
895 ppc64
896 round
897 roundf
898 sdl
899 sdl_video_size
900 setmode
901 socklen_t
902 soundcard_h
903 poll_h
904 sys_mman_h
905 sys_resource_h
906 sys_select_h
907 sys_soundcard_h
908 sys_videoio_h
909 ten_operands
910 termios_h
911 threads
912 truncf
913 winsock2_h
914 yasm
915 "
916
917 # options emitted with CONFIG_ prefix but not available on command line
918 CONFIG_EXTRA="
919 "
920
921 CMDLINE_SELECT="
922 $ARCH_EXT_LIST
923 $CONFIG_LIST
924 $THREADS_LIST
925 cross_compile
926 debug
927 extra_warnings
928 logging
929 optimizations
930 stripping
931 yasm
932 "
933
934 PATHS_LIST='
935 bindir
936 datadir
937 incdir
938 libdir
939 mandir
940 prefix
941 shlibdir
942 '
943
944 CMDLINE_SET="
945 $PATHS_LIST
946 arch
947 as
948 build_suffix
949 cc
950 cpu
951 cross_prefix
952 extra_version
953 host_cc
954 host_cflags
955 host_ldflags
956 host_libs
957 host_os
958 logfile
959 nm
960 source_path
961 sysinclude
962 sysroot
963 target_exec
964 target_os
965 target_path
966 "
967
968 # code dependency declarations
969
970 # architecture extensions
971 altivec_deps="ppc"
972 amd3dnow_deps="mmx"
973 amd3dnowext_deps="amd3dnow"
974 armv5te_deps="arm"
975 armv6_deps="arm"
976 armv6t2_deps="arm"
977 armvfp_deps="arm"
978 iwmmxt_deps="arm"
979 mmi_deps="mips"
980 mmx_deps="x86"
981 mmx2_deps="mmx"
982 neon_deps="arm"
983 ppc4xx_deps="ppc"
984 sse_deps="mmx"
985 ssse3_deps="sse"
986 vis_deps="sparc"
987
988 # decoders / encoders
989 aac_decoder_select="fft mdct"
990 ac3_decoder_deps="gpl"
991 ac3_decoder_select="fft mdct"
992 atrac3_decoder_select="fft mdct"
993 cavs_decoder_select="golomb"
994 cook_decoder_select="fft mdct"
995 cscd_decoder_suggest="zlib"
996 dca_decoder_select="fft mdct"
997 dnxhd_encoder_select="aandct"
998 dxa_decoder_select="zlib"
999 eac3_decoder_deps="gpl"
1000 eac3_decoder_select="fft mdct"
1001 eatgq_decoder_select="aandct"
1002 eatqi_decoder_select="aandct"
1003 ffv1_decoder_select="golomb"
1004 flac_decoder_select="golomb"
1005 flac_encoder_select="golomb"
1006 flashsv_decoder_select="zlib"
1007 flashsv_encoder_select="zlib"
1008 flv_encoder_select="aandct"
1009 h261_encoder_select="aandct"
1010 h263_encoder_select="aandct"
1011 h263p_encoder_select="aandct"
1012 h264_decoder_select="golomb"
1013 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1014 imc_decoder_select="fft mdct"
1015 jpegls_decoder_select="golomb"
1016 jpegls_encoder_select="golomb"
1017 ljpeg_encoder_select="aandct"
1018 loco_decoder_select="golomb"
1019 mjpeg_encoder_select="aandct"
1020 mpeg1video_encoder_select="aandct"
1021 mpeg2video_encoder_select="aandct"
1022 mpeg4_encoder_select="aandct"
1023 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1024 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1025 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1026 msmpeg4v1_encoder_select="aandct"
1027 msmpeg4v2_encoder_select="aandct"
1028 msmpeg4v3_encoder_select="aandct"
1029 nellymoser_decoder_select="fft mdct"
1030 nellymoser_encoder_select="fft mdct"
1031 png_decoder_select="zlib"
1032 png_encoder_select="zlib"
1033 qdm2_decoder_select="fft mdct rdft"
1034 rv10_encoder_select="aandct"
1035 rv20_encoder_select="aandct"
1036 rv30_decoder_select="golomb"
1037 rv40_decoder_select="golomb"
1038 shorten_decoder_select="golomb"
1039 sonic_decoder_select="golomb"
1040 sonic_encoder_select="golomb"
1041 sonic_ls_encoder_select="golomb"
1042 svq3_decoder_select="golomb"
1043 svq3_decoder_suggest="zlib"
1044 tiff_decoder_suggest="zlib"
1045 tiff_encoder_suggest="zlib"
1046 tscc_decoder_select="zlib"
1047 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1048 vorbis_decoder_select="fft mdct"
1049 vorbis_encoder_select="fft mdct"
1050 wmav1_decoder_select="fft mdct"
1051 wmav1_encoder_select="fft mdct"
1052 wmav2_decoder_select="fft mdct"
1053 wmav2_encoder_select="fft mdct"
1054 wmv1_encoder_select="aandct"
1055 wmv2_encoder_select="aandct"
1056 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1057 zlib_decoder_select="zlib"
1058 zlib_encoder_select="zlib"
1059 zmbv_decoder_select="zlib"
1060 zmbv_encoder_select="zlib"
1061
1062 # external libraries
1063 libamr_nb_decoder_deps="libamr_nb"
1064 libamr_nb_encoder_deps="libamr_nb"
1065 libamr_wb_decoder_deps="libamr_wb"
1066 libamr_wb_encoder_deps="libamr_wb"
1067 libdirac_decoder_deps="libdirac !libschroedinger"
1068 libdirac_encoder_deps="libdirac"
1069 libfaac_encoder_deps="libfaac"
1070 libfaad_decoder_deps="libfaad"
1071 libfaadbin_decoder_extralibs='$ldl'
1072 libgsm_decoder_deps="libgsm"
1073 libgsm_encoder_deps="libgsm"
1074 libgsm_ms_decoder_deps="libgsm"
1075 libgsm_ms_encoder_deps="libgsm"
1076 libmp3lame_encoder_deps="libmp3lame"
1077 libopenjpeg_decoder_deps="libopenjpeg"
1078 libschroedinger_decoder_deps="libschroedinger"
1079 libschroedinger_encoder_deps="libschroedinger"
1080 libspeex_decoder_deps="libspeex"
1081 libtheora_encoder_deps="libtheora"
1082 libvorbis_encoder_deps="libvorbis"
1083 libx264_encoder_deps="libx264"
1084 libxvid_encoder_deps="libxvid"
1085
1086 # demuxers / muxers
1087 ac3_demuxer_deps="ac3_parser"
1088 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1089 alsa_demuxer_extralibs="-lasound"
1090 alsa_muxer_deps="alsa_asoundlib_h"
1091 alsa_muxer_extralibs="-lasound"
1092 audio_beos_demuxer_deps="audio_beos"
1093 audio_beos_demuxer_extralibs="-lmedia -lbe"
1094 audio_beos_muxer_deps="audio_beos"
1095 audio_beos_muxer_extralibs="-lmedia -lbe"
1096 avisynth_demuxer_deps="avisynth"
1097 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1098 dirac_demuxer_deps="dirac_parser"
1099 dv1394_demuxer_deps="dv1394 dv_demuxer"
1100 libdc1394_demuxer_deps="libdc1394"
1101 libnut_demuxer_deps="libnut"
1102 libnut_muxer_deps="libnut"
1103 matroska_demuxer_suggest="zlib bzlib"
1104 mov_demuxer_suggest="zlib"
1105 mp3_demuxer_deps="mpegaudio_parser"
1106 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1107 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1108 redir_demuxer_deps="network"
1109 rtp_muxer_deps="network rtp_protocol"
1110 rtsp_demuxer_deps="sdp_demuxer"
1111 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1112 v4l_demuxer_deps="linux_videodev_h"
1113 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1114 vfwcap_demuxer_deps="capCreateCaptureWindow"
1115 vfwcap_demuxer_extralibs="-lvfw32"
1116 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1117 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1118
1119 # protocols
1120 gopher_protocol_deps="network"
1121 http_protocol_deps="network"
1122 rtp_protocol_deps="udp_protocol"
1123 tcp_protocol_deps="network"
1124 udp_protocol_deps="network"
1125
1126 # filters
1127 movie_filter_deps="avfilter_lavf"
1128
1129 # programs
1130 ffplay_deps="sdl"
1131 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1132 ffserver_extralibs='$ldl'
1133
1134
1135 # default parameters
1136
1137 logfile="config.err"
1138
1139 # installation paths
1140 prefix_default="/usr/local"
1141 bindir_default='${prefix}/bin'
1142 datadir_default='${prefix}/share/ffmpeg'
1143 incdir_default='${prefix}/include'
1144 libdir_default='${prefix}/lib'
1145 mandir_default='${prefix}/share/man'
1146 shlibdir_default="$libdir_default"
1147
1148 # toolchain
1149 ar="ar"
1150 cc_default="gcc"
1151 host_cc_default="gcc"
1152 ln_s="ln -sf"
1153 nm_default="nm"
1154 objformat="elf"
1155 ranlib="ranlib"
1156 strip="strip"
1157 yasmexe="yasm"
1158
1159 # machine
1160 arch=$(uname -m)
1161 cpu="generic"
1162
1163 # OS
1164 target_os=$(tolower $(uname -s))
1165 host_os=$target_os
1166
1167 # configurable options
1168 enable debug
1169 enable fastdiv
1170 enable ffmpeg
1171 enable ffplay
1172 enable ffserver
1173 enable ipv6
1174 enable mpegaudio_hp
1175 enable network
1176 enable optimizations
1177 enable protocols
1178 enable static
1179 enable stripping
1180
1181 # build settings
1182 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1183 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1184 FFSERVERLDFLAGS=-Wl,-E
1185 LIBPREF="lib"
1186 LIBSUF=".a"
1187 FULLNAME='$(NAME)$(BUILDSUF)'
1188 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1189 SLIBPREF="lib"
1190 SLIBSUF=".so"
1191 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1192 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1193 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1194 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1195
1196 host_cflags='-O3 -g -Wall'
1197 host_libs='-lm'
1198
1199 target_path='.'
1200
1201 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1202 # full relative path for objects in subdirectories for non-recursive Make.
1203 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1204
1205 # find source path
1206 source_path="$(dirname "$0")"
1207 enable source_path_used
1208 if test -z "$source_path" -o "$source_path" = "." ; then
1209 source_path="$(pwd)"
1210 disable source_path_used
1211 else
1212 source_path="$(cd "$source_path"; pwd)"
1213 echo "$source_path" | grep -q '[[:blank:]]' &&
1214 die "Out of tree builds are impossible with whitespace in source path."
1215 test -e "$source_path/config.h" &&
1216 die "Out of tree builds are impossible with config.h in source dir."
1217 fi
1218
1219 FFMPEG_CONFIGURATION="$@"
1220
1221 find_things(){
1222 thing=$1
1223 pattern=$2
1224 file=$source_path/$3
1225 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1226 }
1227
1228 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1229 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1230 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1231 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1232 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1233 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1234 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1235 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1236 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1237 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1238
1239 enable $ARCH_EXT_LIST \
1240 $DECODER_LIST \
1241 $ENCODER_LIST \
1242 $PARSER_LIST \
1243 $BSF_LIST \
1244 $DEMUXER_LIST \
1245 $MUXER_LIST \
1246 $FILTER_LIST \
1247 $PROTOCOL_LIST \
1248 $INDEV_LIST \
1249 $OUTDEV_LIST \
1250
1251 die_unknown(){
1252 echo "Unknown option \"$1\"."
1253 echo "See $0 --help for available options."
1254 exit 1
1255 }
1256
1257 show_list() {
1258 suffix=_$1
1259 shift
1260 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1261 exit 0
1262 }
1263
1264 for opt do
1265 optval="${opt#*=}"
1266 case "$opt" in
1267 --extra-cflags=*) add_cflags $optval
1268 ;;
1269 --extra-ldflags=*) add_ldflags $optval
1270 ;;
1271 --extra-libs=*) add_extralibs $optval
1272 ;;
1273 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1274 ;;
1275 --enable-debug=*) debuglevel="$optval"
1276 ;;
1277 --enable-*=*|--disable-*=*)
1278 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1279 case "$thing" in
1280 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1281 *) die_unknown "$opt" ;;
1282 esac
1283 ;;
1284 --enable-?*|--disable-?*)
1285 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1286 if is_in $option $COMPONENT_LIST; then
1287 eval $action \$$(toupper ${option%s})_LIST
1288 elif is_in $option $CMDLINE_SELECT; then
1289 $action $option
1290 else
1291 die_unknown $opt
1292 fi
1293 ;;
1294 --list-*)
1295 NAME="${opt#--list-}"
1296 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1297 NAME=${NAME%s}
1298 eval show_list $NAME \$$(toupper $NAME)_LIST
1299 ;;
1300 --help|-h) show_help
1301 ;;
1302 *)
1303 optname="${opt%%=*}"
1304 optname="${optname#--}"
1305 optname=$(echo "$optname" | sed 's/-/_/g')
1306 is_in $optname $CMDLINE_SET || die_unknown $opt
1307 eval $optname='$optval'
1308 ;;
1309 esac
1310 done
1311
1312 disabled logging && logfile=/dev/null
1313
1314 echo "# $0 $@" > $logfile
1315 set >> $logfile
1316
1317 test -n "$cross_prefix" && enable cross_compile
1318
1319 ar="${cross_prefix}${ar}"
1320 cc_default="${cross_prefix}${cc_default}"
1321 nm_default="${cross_prefix}${nm_default}"
1322 ranlib="${cross_prefix}${ranlib}"
1323 strip="${cross_prefix}${strip}"
1324
1325 sysinclude_default="${sysroot}/usr/include"
1326
1327 set_default cc nm sysinclude
1328 as_default=$cc
1329 enabled cross_compile || host_cc_default=$cc
1330 set_default host_cc
1331
1332 exesuf() {
1333 case $1 in
1334 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1335 esac
1336 }
1337
1338 EXESUF=$(exesuf $target_os)
1339 HOSTEXESUF=$(exesuf $host_os)
1340
1341 # set temporary file name
1342 : ${TMPDIR:=$TEMPDIR}
1343 : ${TMPDIR:=$TMP}
1344 : ${TMPDIR:=/tmp}
1345
1346 if ! check_cmd type mktemp; then
1347 # simple replacement for missing mktemp
1348 # NOT SAFE FOR GENERAL USE
1349 mktemp(){
1350 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1351 }
1352 fi
1353
1354 tmpfile(){
1355 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1356 (set -C; exec > $tmp) 2>/dev/null ||
1357 die "Unable to create temoporary file in $TMPDIR."
1358 append TMPFILES $tmp
1359 eval $1=$tmp
1360 }
1361
1362 trap 'rm -f -- $TMPFILES' EXIT
1363 trap exit HUP INT TERM
1364
1365 tmpfile TMPC .c
1366 tmpfile TMPE $EXESUF
1367 tmpfile TMPH .h
1368 tmpfile TMPO .o
1369 tmpfile TMPS .S
1370 tmpfile TMPSH .sh
1371
1372 unset -f mktemp
1373
1374 # make sure we can execute files in $TMPDIR
1375 cat > $TMPSH 2>> $logfile <<EOF
1376 #! /bin/sh
1377 EOF
1378 chmod +x $TMPSH >> $logfile 2>&1
1379 if ! $TMPSH >> $logfile 2>&1; then
1380 cat <<EOF
1381 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1382 variable to another directory and make sure that it is not mounted noexec.
1383 EOF
1384 die "Sanity test failed."
1385 fi
1386
1387 if $cc --version 2>/dev/null | grep -qi gcc; then
1388 cc_type=gcc
1389 elif $cc --version 2>/dev/null | grep -q Intel; then
1390 cc_type=icc
1391 elif $cc -v 2>&1 | grep -q xlc; then
1392 cc_type=xlc
1393 elif $cc -V 2>/dev/null | grep -q Compaq; then
1394 cc_type=ccc
1395 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1396 debuglevel=3
1397 add_ldflags -Wl,-z,now # calls to libots crash without this
1398 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1399 test -d "$sysroot" || die "No valid sysroot specified."
1400 cc_type=armcc
1401 armcc_conf="$PWD/armcc.conf"
1402 $cc --arm_linux_configure \
1403 --arm_linux_config_file="$armcc_conf" \
1404 --configure_sysroot="$sysroot" \
1405 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1406 die "Error creating armcc configuration file."
1407 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1408 as_default="${cross_prefix}gcc"
1409 fi
1410
1411 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1412
1413 set_default as
1414
1415 if test -n "$sysroot"; then
1416 case "$cc_type" in
1417 gcc)
1418 add_cflags --sysroot="$sysroot"
1419 add_ldflags --sysroot="$sysroot"
1420 ;;
1421 esac
1422 fi
1423
1424 # compiler sanity check
1425 check_exec <<EOF
1426 int main(void){ return 0; }
1427 EOF
1428 if test "$?" != 0; then
1429 echo "$cc is unable to create an executable file."
1430 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1431 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1432 echo "Only do this if you know what cross compiling means."
1433 fi
1434 die "C compiler test failed."
1435 fi
1436
1437 check_cflags -std=c99
1438 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1439 #include <stdlib.h>
1440 EOF
1441 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1442 #include <stdlib.h>
1443 EOF
1444
1445 case "$arch" in
1446 alpha)
1447 arch="alpha"
1448 enable fast_64bit
1449 check_cflags -mieee
1450 ;;
1451 arm|armv[4567]*l)
1452 arch="arm"
1453 ;;
1454 avr32)
1455 ;;
1456 bfin)
1457 arch="bfin"
1458 ;;
1459 ia64)
1460 arch="ia64"
1461 enable fast_64bit
1462 ;;
1463 m68k)
1464 arch="m68k"
1465 ;;
1466 mips|mipsel|IP*)
1467 arch="mips"
1468 ;;
1469 mips64)
1470 arch="mips"
1471 enable fast_64bit
1472 ;;
1473 parisc|hppa)
1474 arch="parisc"
1475 ;;
1476 parisc64|hppa64)
1477 arch="parisc"
1478 enable fast_64bit
1479 ;;
1480 "Power Macintosh"|ppc|powerpc)
1481 arch="ppc"
1482 enable fast_unaligned
1483 ;;
1484 ppc64)
1485 arch="ppc"
1486 enable fast_64bit
1487 enable fast_unaligned
1488 ;;
1489 s390|s390x)
1490 arch="s390"
1491 ;;
1492 sh4|sh)
1493 arch="sh4"
1494 ;;
1495 sparc)
1496 arch="sparc"
1497 ;;
1498 sun4u|sparc64)
1499 arch="sparc"
1500 subarch="sparc64"
1501 enable fast_64bit
1502 ;;
1503 i386|i486|i586|i686|i86pc|BePC)
1504 arch="x86"
1505 subarch="x86_32"
1506 enable fast_unaligned
1507 ;;
1508 x86_64|amd64)
1509 arch="x86"
1510 subarch="x86_32"
1511 enable cmov
1512 enable fast_cmov
1513 enable fast_unaligned
1514 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1515 int test[sizeof(char*) - 7];
1516 EOF
1517 ;;
1518 *)
1519 arch="unknown"
1520 ;;
1521 esac
1522
1523 enable $arch $subarch
1524
1525 # OS specific
1526 case $target_os in
1527 beos|haiku|zeta)
1528 prefix_default="$HOME/config"
1529 # helps building libavcodec
1530 add_cflags -DPIC -fomit-frame-pointer
1531 # 3 gcc releases known for BeOS, each with ugly bugs
1532 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1533 case "$gcc_version" in
1534 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1535 disable mmx
1536 ;;
1537 *20010315*) echo "BeBits gcc"
1538 add_cflags -fno-expensive-optimizations
1539 ;;
1540 esac
1541 SHFLAGS=-nostart
1542 # enable BeOS things
1543 enable audio_beos
1544 # no need for libm, but the inet stuff
1545 # Check for BONE
1546 # XXX: actually should check for NOT net_server
1547 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1548 network_extralibs="-lbind -lsocket"
1549 else
1550 enable beos_netserver
1551 network_extralibs="-lnet"
1552 fi ;;
1553 sunos)
1554 FFSERVERLDFLAGS=""
1555 SHFLAGS='-shared -Wl,-h,$$(@F)'
1556 network_extralibs="-lsocket -lnsl"
1557 add_cflags -D__EXTENSIONS__
1558 ;;
1559 netbsd)
1560 oss_demuxer_extralibs="-lossaudio"
1561 oss_muxer_extralibs="-lossaudio"
1562 ;;
1563 openbsd)
1564 disable need_memalign
1565 LIBOBJFLAGS='$(PIC)'
1566 SHFLAGS='-shared'
1567 oss_demuxer_extralibs="-lossaudio"
1568 oss_muxer_extralibs="-lossaudio"
1569 ;;
1570 freebsd)
1571 disable need_memalign
1572 ;;
1573 bsd/os)
1574 osextralibs="-lpoll -lgnugetopt"
1575 strip="strip -d"
1576 ;;
1577 darwin)
1578 disable need_memalign
1579 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1580 strip="strip -x"
1581 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1582 SLIBSUF=".dylib"
1583 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1584 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1585 FFSERVERLDFLAGS=-Wl,-bind_at_load
1586 objformat="macho"
1587 enabled x86_64 && objformat="macho64"
1588 ;;
1589 mingw32*)
1590 target_os=mingw32
1591 LIBTARGET=i386
1592 if enabled x86_64; then
1593 disable need_memalign
1594 LIBTARGET=x64
1595 fi
1596 shlibdir_default="$bindir_default"
1597 disable ffserver
1598 SLIBPREF=""
1599 SLIBSUF=".dll"
1600 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1601 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1602 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1603 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1604 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1605 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1606 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1607 objformat="win32"
1608 enable dos_paths
1609 if ! enabled x86_64; then
1610 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1611 die "ERROR: MinGW runtime version must be >= 3.15."
1612 enabled_any avisynth vfwcap_demuxer &&
1613 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1614 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1615 fi
1616 ;;
1617 cygwin*)
1618 target_os=cygwin
1619 shlibdir_default="$bindir_default"
1620 SLIBPREF="cyg"
1621 SLIBSUF=".dll"
1622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1624 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1625 objformat="win32"
1626 enable dos_paths
1627 ;;
1628 *-dos|freedos|opendos)
1629 disable ffplay ffserver
1630 disable $INDEV_LIST $OUTDEV_LIST
1631 network_extralibs="-lsocket"
1632 objformat="coff"
1633 enable dos_paths
1634 ;;
1635 linux)
1636 enable dv1394
1637 ;;
1638 irix*)
1639 target_os=irix
1640 ranlib="echo ignoring ranlib"
1641 ;;
1642 os/2*)
1643 strip="lxlite"
1644 ln_s="cp -f"
1645 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1646 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1647 FFSERVERLDFLAGS=""
1648 LIBSUF="_s.a"
1649 SLIBPREF=""
1650 SLIBSUF=".dll"
1651 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1652 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1653 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1654 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1655 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1656 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1657 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1658 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1659 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1660 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1661 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1662 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1663 enable dos_paths
1664 ;;
1665
1666 *)
1667 die "Unknown OS '$target_os'."
1668 ;;
1669 esac
1670
1671 set_default $PATHS_LIST
1672
1673 add_extralibs $osextralibs
1674
1675 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1676 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1677
1678 # we need to build at least one lib type
1679 if ! enabled_any static shared; then
1680 cat <<EOF
1681 At least one library type must be built.
1682 Specify --enable-static to build the static libraries or --enable-shared to
1683 build the shared libraries as well. To only build the shared libraries specify
1684 --disable-static in addition to --enable-shared.
1685 EOF
1686 exit 1;
1687 fi
1688
1689 disabled static && LIBNAME=""
1690
1691 if enabled_any libfaad libfaadbin ; then
1692 if check_header faad.h; then
1693 check_cc <<EOF
1694 #include <faad.h>
1695 #ifndef FAAD2_VERSION
1696 ok faad1
1697 #endif
1698 int main(void) { return 0; }
1699 EOF
1700 test $? = 0 && enable libfaad2
1701 else
1702 die "FAAD test failed."
1703 fi
1704 fi
1705
1706
1707 if ! enabled gpl; then
1708 die_gpl_disabled(){
1709 name=$1
1710 shift
1711 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1712 }
1713 die_gpl_disabled "The Postprocessing code" postproc
1714 die_gpl_disabled "libx264" libx264
1715 die_gpl_disabled "libxvidcore" libxvid
1716 die_gpl_disabled "FAAD2" libfaad2
1717 die_gpl_disabled "The X11 grabber" x11grab
1718 fi
1719
1720 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1721 die "libamr is nonfree and --enable-nonfree is not specified."
1722 fi
1723
1724 check_deps $ARCH_EXT_LIST
1725
1726 test -z "$need_memalign" && need_memalign="$mmx"
1727
1728 #Darwin CC versions
1729 if test $target_os = darwin; then
1730 if enabled xlc; then
1731 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1732 else
1733 add_cflags -pipe
1734 check_cflags -force_cpusubtype_ALL
1735 check_cflags -Wno-sign-compare
1736 enabled shared || check_cflags -mdynamic-no-pic
1737 fi
1738 fi
1739
1740 disabled optimizations || check_cflags -fomit-frame-pointer
1741
1742 # Add processor-specific flags
1743 if test $cpu != "generic"; then
1744 warn_altivec(){
1745 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1746 }
1747 case $cpu in
1748 601|ppc601|PowerPC601)
1749 add_cflags -mcpu=601
1750 warn_altivec enabled PPC601
1751 ;;
1752 603*|ppc603*|PowerPC603*)
1753 add_cflags -mcpu=603
1754 warn_altivec enabled PPC603
1755 ;;
1756 604*|ppc604*|PowerPC604*)
1757 add_cflags -mcpu=604
1758 warn_altivec enabled PPC604
1759 ;;
1760 G3|g3|75*|ppc75*|PowerPC75*)
1761 add_cflags -mcpu=750 -mpowerpc-gfxopt
1762 warn_altivec enabled PPC75x
1763 ;;
1764 G4|g4|745*|ppc745*|PowerPC745*)
1765 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1766 warn_altivec disabled PPC745x
1767 ;;
1768 74*|ppc74*|PowerPC74*)
1769 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1770 warn_altivec disabled PPC74xx
1771 ;;
1772 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1773 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1774 warn_altivec disabled PPC970
1775 enable ppc64
1776 ;;
1777 Cell|CELL|cell)
1778 add_cflags -mcpu=cell
1779 warn_altivec disabled Cell
1780 enable ppc64
1781 ;;
1782 # targets that do NOT support conditional mov (cmov)
1783 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1784 add_cflags -march=$cpu
1785 disable cmov
1786 ;;
1787 # targets that do support conditional mov (cmov)
1788 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1789 add_cflags -march=$cpu
1790 enable cmov
1791 enable fast_cmov
1792 ;;
1793 # targets that do support conditional mov but on which it's slow
1794 pentium4|pentium4m|prescott|nocona)
1795 add_cflags -march=$cpu
1796 enable cmov
1797 disable fast_cmov
1798 ;;
1799 sparc64)
1800 add_cflags -mcpu=v9
1801 ;;
1802 arm11*|cortex*)
1803 add_cflags -mcpu=$cpu
1804 enable fast_unaligned
1805 ;;
1806 armv*)
1807 add_cflags -march=$cpu
1808 ;;
1809 arm*)
1810 add_cflags -mcpu=$cpu
1811 ;;
1812 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1813 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1814 ;;
1815 *)
1816 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1817 ;;
1818 esac
1819 fi
1820
1821 check_cc <<EOF || die "Symbol mangling check failed."
1822 int ff_extern;
1823 EOF
1824 sym=$($nm -P -g $TMPO | grep ff_extern)
1825 extern_prefix=${sym%%ff_extern*}
1826
1827 check_cc <<EOF && enable inline_asm
1828 void foo(void) { __asm__ volatile ("" ::); }
1829 EOF
1830
1831 if enabled x86; then
1832 # check whether EBP is available on x86
1833 # As 'i' is stored on the stack, this program will crash
1834 # if the base pointer is used to access it because the
1835 # base pointer is cleared in the inline assembly code.
1836 check_exec_crash <<EOF && enable ebp_available
1837 volatile int i=0;
1838 __asm__ volatile (
1839 "xorl %%ebp, %%ebp"
1840 ::: "%ebp");
1841 return i;
1842 EOF
1843
1844 # check wether EBX is available on x86
1845 check_asm ebx_available '"":::"%ebx"'
1846
1847 # check whether more than 10 operands are supported
1848 check_cc <<EOF && enable ten_operands
1849 int main(void) {
1850 int x=0;
1851 __asm__ volatile(
1852 ""
1853 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1854 );
1855 return 0;
1856 }
1857 EOF
1858
1859 # check whether binutils is new enough to compile SSSE3/MMX2
1860 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1861 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1862
1863 check_asm bswap '"bswap %%eax" ::: "%eax"'
1864
1865 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1866 enabled x86_64 && append YASMFLAGS "-m amd64"
1867 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1868 case "$objformat" in
1869 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1870 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1871 *) append YASMFLAGS "-DPREFIX" ;;
1872 esac
1873 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1874 fi
1875
1876 # check for assembler specific support
1877
1878 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1879 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1880
1881 # check for SIMD availability
1882
1883 # AltiVec flags: The FSF version of GCC differs from the Apple version
1884 if enabled altivec; then
1885 check_cflags -maltivec -mabi=altivec &&
1886 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1887 check_cflags -faltivec
1888
1889 # check if our compiler supports Motorola AltiVec C API
1890 check_cc <<EOF || disable altivec
1891 $inc_altivec_h
1892 int main(void) {
1893 vector signed int v1, v2, v3;
1894 v1 = vec_add(v2,v3);
1895 return 0;
1896 }
1897 EOF
1898
1899 # check if our compiler supports braces for vector declarations
1900 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1901 $inc_altivec_h
1902 int main (void) { (vector int) {1}; return 0; }
1903 EOF
1904 fi
1905
1906 # We have to check if pld is a nop and disable it.
1907 enabled arm && check_asm pld '"pld [r0]"'
1908 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1909 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1910 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1911 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1912 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1913 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1914 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1915 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1916
1917 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1918
1919 # ---
1920 # big/little-endian test
1921 check_cc <<EOF || die "endian test failed"
1922 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1923 EOF
1924 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1925
1926 # ---
1927 # check availability of some header files
1928
1929 if check_func dlopen; then
1930 ldl=
1931 elif check_func dlopen -ldl; then
1932 ldl=-ldl
1933 fi
1934
1935 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1936 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1937
1938 check_func fork
1939 check_func gethrtime
1940 check_func getrusage
1941 check_func inet_aton $network_extralibs
1942 check_func memalign
1943 check_func mkstemp
1944 check_func posix_memalign
1945 check_func_headers io.h setmode
1946 check_func_headers windows.h GetProcessTimes
1947
1948 check_header conio.h
1949 check_header dlfcn.h
1950 check_header malloc.h
1951 check_header poll.h
1952 check_header sys/mman.h
1953 check_header sys/resource.h
1954 check_header sys/select.h
1955 check_header termios.h
1956 check_header vdpau/vdpau.h
1957 check_header vdpau/vdpau_x11.h
1958 check_header X11/extensions/XvMClib.h
1959
1960 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1961 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1962 fi
1963
1964 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1965 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1966
1967 # check for some common methods of building with pthread support
1968 # do this before the optional library checks as some of them require pthreads
1969 if enabled pthreads; then
1970 if check_func pthread_create; then
1971 :
1972 elif check_func pthread_create -pthread; then
1973 add_cflags -pthread
1974 add_extralibs -pthread
1975 elif check_func pthread_create -pthreads; then
1976 add_cflags -pthreads
1977 add_extralibs -pthreads
1978 elif check_func pthread_create -lpthreadGC2; then
1979 add_extralibs -lpthreadGC2
1980 elif ! check_lib pthread.h pthread_create -lpthread; then
1981 die "ERROR: can't find pthreads library"
1982 fi
1983 fi
1984
1985 for thread in $THREADS_LIST; do
1986 if enabled $thread; then
1987 test -n "$thread_type" &&
1988 die "ERROR: Only one thread type must be selected." ||
1989 thread_type="$thread"
1990 fi
1991 done
1992
1993 check_lib math.h sin -lm
1994
1995 # test for C99 functions in math.h
1996 for func in llrint lrint lrintf round roundf truncf; do
1997 check_exec <<EOF && enable $func || disable $func
1998 #include <math.h>
1999 int main(void) { return ($func(3.999f) > 0)?0:1; }
2000 EOF
2001 done
2002
2003 # these are off by default, so fail if requested and not available
2004 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2005 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2006 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2007 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2008 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2009 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2010 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2011 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2012 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2013 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2014 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2015 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2016 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2017 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2018 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2019 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2020 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2021 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2022 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2023 die "ERROR: libx264 version must be >= 0.65."; }
2024 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2025 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2026
2027 # libdc1394 check
2028 if enabled libdc1394; then
2029 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2030 enable libdc1394_2; } ||
2031 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2032 enable libdc1394_1; } ||
2033 die "ERROR: No version of libdc1394 found "
2034 fi
2035
2036
2037 _restrict=
2038 for restrict_keyword in restrict __restrict__ __restrict; do
2039 check_cc <<EOF && _restrict=$restrict_keyword && break
2040 void foo(char * $restrict_keyword p);
2041 EOF
2042 done
2043
2044 ##########################################
2045 # SDL check
2046
2047 disable sdl_too_old
2048 disable sdl
2049 SDL_CONFIG="${cross_prefix}sdl-config"
2050 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2051 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2052 temp_cflags $sdl_cflags
2053 temp_extralibs $("${SDL_CONFIG}" --libs)
2054 if check_lib2 SDL.h SDL_Init; then
2055 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2056 if test "$_sdlversion" -lt 121 ; then
2057 enable sdl_too_old
2058 else
2059 enable sdl
2060 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2061 #include <SDL.h>
2062 int main(int argc, char **argv){
2063 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2064 int w = vi->current_w;
2065 return 0;
2066 }
2067 EOF
2068 fi
2069 fi
2070 restore_flags
2071 fi
2072
2073 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2074
2075 ##########################################
2076 # Network check
2077
2078 if enabled network; then
2079 check_type "sys/types.h sys/socket.h" socklen_t
2080 # Prefer arpa/inet.h over winsock2
2081 if check_header arpa/inet.h ; then
2082 check_func closesocket
2083 elif check_header winsock2.h ; then
2084 network_extralibs="-lws2_32"
2085 check_type ws2tcpip.h socklen_t
2086 check_func_headers winsock2.h closesocket
2087 fi
2088 fi
2089
2090 ##########################################
2091 # IPv6 check
2092
2093 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2094 #include <sys/types.h>
2095 #include <sys/socket.h>
2096 #include <netinet/in.h>
2097 #include <netdb.h>
2098 int main(void) {
2099 struct sockaddr_storage saddr;
2100 struct ipv6_mreq mreq6;
2101 getaddrinfo(0,0,0,0);
2102 getnameinfo(0,0,0,0,0,0,0);
2103 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2104 }
2105 EOF
2106
2107 check_header linux/videodev.h
2108 check_header linux/videodev2.h
2109 check_header sys/videoio.h
2110
2111 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2112
2113 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2114 { check_header dev/bktr/ioctl_meteor.h &&
2115 check_header dev/bktr/ioctl_bt848.h; } ||
2116 { check_header machine/ioctl_meteor.h &&
2117 check_header machine/ioctl_bt848.h; } ||
2118 { check_header dev/video/meteor/ioctl_meteor.h &&
2119 check_header dev/video/bktr/ioctl_bt848.h; } ||
2120 check_header dev/ic/bt8xx.h
2121
2122 check_header sys/soundcard.h
2123 check_header soundcard.h
2124
2125 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2126
2127 # deal with the X11 frame grabber
2128 enabled x11grab &&
2129 check_header X11/Xlib.h &&
2130 check_header X11/extensions/XShm.h &&
2131 check_func XOpenDisplay -lX11 &&
2132 check_func XShmCreateImage -lX11 -lXext
2133
2134 enabled debug && add_cflags -g"$debuglevel"
2135
2136 # add some useful compiler flags if supported
2137 check_cflags -Wdeclaration-after-statement
2138 check_cflags -Wall
2139 check_cflags -Wno-switch
2140 check_cflags -Wdisabled-optimization
2141 check_cflags -Wpointer-arith
2142 check_cflags -Wredundant-decls
2143 check_cflags -Wno-pointer-sign
2144 check_cflags -Wcast-qual
2145 check_cflags -Wwrite-strings
2146 check_cflags -Wtype-limits
2147 check_cflags -Wundef
2148 enabled extra_warnings && check_cflags -Winline
2149
2150 # add some linker flags
2151 check_ldflags -Wl,--warn-common
2152 check_ldflags -Wl,--as-needed
2153 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'
2154 check_ldflags -Wl,-Bsymbolic
2155
2156 if enabled small; then
2157 check_cflags -Os # not all compilers support -Os
2158 optimizations="small"
2159 elif enabled optimizations; then
2160 if enabled xlc; then
2161 add_cflags -O5
2162 add_ldflags -O5
2163 elif enabled ccc; then
2164 add_cflags -fast
2165 else
2166 add_cflags -O3
2167 fi
2168 fi
2169 check_cflags -fno-math-errno
2170 check_cflags -fno-signed-zeros
2171
2172 # add some flags for Intel C Compiler
2173 if enabled icc; then
2174 # Just warnings, no remarks
2175 check_cflags -w1
2176 # -wd: Disable following warnings
2177 # 144, 167, 556: -Wno-pointer-sign
2178 # 10006: ignoring unknown option -fno-signed-zeros
2179 # 10156: ignoring option '-W'; no argument required
2180 check_cflags -wd144,167,556,10006,10156
2181 # 11030: Warning unknown option --as-needed
2182 # 10156: ignoring option '-export'; no argument required
2183 check_ldflags -wd10156,11030
2184 # Allow to compile with optimizations
2185 check_ldflags -march=$cpu
2186 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2187 enable ebp_available
2188 elif enabled ccc; then
2189 # disable some annoying warnings
2190 add_cflags -msg_disable cvtu32to64
2191 add_cflags -msg_disable embedcomment
2192 add_cflags -msg_disable needconstext
2193 add_cflags -msg_disable nomainieee
2194 add_cflags -msg_disable ptrmismatch1
2195 add_cflags -msg_disable unreachcode
2196 fi
2197
2198 # PIC flags for shared library objects where they are needed
2199 if enabled shared; then
2200 # LIBOBJFLAGS may have already been set in the OS configuration
2201 if test -z "$LIBOBJFLAGS" ; then
2202 case "${subarch-$arch}" in
2203 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2204 esac
2205 fi
2206 fi
2207
2208 if enabled gprof; then
2209 add_cflags -p
2210 add_ldflags -p
2211 fi
2212
2213 # Find out if the .align argument is a power of two or not.
2214 check_asm asmalign_pot '".align 3"'
2215
2216 enabled_any $DECODER_LIST && enable decoders
2217 enabled_any $ENCODER_LIST && enable encoders
2218 enabled_any $BSF_LIST && enable bsfs
2219 enabled_any $DEMUXER_LIST && enable demuxers
2220 enabled_any $MUXER_LIST && enable muxers
2221 enabled_any $FILTER_LIST && enable filters
2222 enabled_any $INDEV_LIST && enable demuxers
2223 enabled_any $OUTDEV_LIST && enable muxers
2224 enabled_any $PROTOCOL_LIST && enable protocols
2225
2226 enabled_any $THREADS_LIST && enable threads
2227
2228 check_deps $CONFIG_LIST \
2229 $CONFIG_EXTRA \
2230 $HAVE_LIST \
2231 $DECODER_LIST \
2232 $ENCODER_LIST \
2233 $PARSER_LIST \
2234 $BSF_LIST \
2235 $DEMUXER_LIST \
2236 $MUXER_LIST \
2237 $FILTER_LIST \
2238 $INDEV_LIST \
2239 $OUTDEV_LIST \
2240 $PROTOCOL_LIST \
2241
2242 echo "install prefix $prefix"
2243 echo "source path $source_path"
2244 echo "C compiler $cc"
2245 echo ".align is power-of-two $asmalign_pot"
2246 echo "ARCH $arch ($cpu)"
2247 if test "$build_suffix" != ""; then
2248 echo "build suffix $build_suffix"
2249 fi
2250 if test "$extra_version" != ""; then
2251 echo "version string suffix $extra_version"
2252 fi
2253 echo "big-endian ${bigendian-no}"
2254 if enabled x86; then
2255 echo "yasm ${yasm-no}"
2256 echo "MMX enabled ${mmx-no}"
2257 echo "MMX2 enabled ${mmx2-no}"
2258 echo "3DNow! enabled ${amd3dnow-no}"
2259 echo "3DNow! extended enabled ${amd3dnowext-no}"
2260 echo "SSE enabled ${sse-no}"
2261 echo "SSSE3 enabled ${ssse3-no}"
2262 echo "CMOV enabled ${cmov-no}"
2263 echo "CMOV is fast ${fast_cmov-no}"
2264 echo "EBX available ${ebx_available-no}"
2265 echo "EBP available ${ebp_available-no}"
2266 echo "10 operands supported ${ten_operands-no}"
2267 fi
2268 if enabled arm; then
2269 echo "ARMv5TE enabled ${armv5te-no}"
2270 echo "ARMv6 enabled ${armv6-no}"
2271 echo "ARMv6T2 enabled ${armv6t2-no}"
2272 echo "ARM VFP enabled ${armvfp-no}"
2273 echo "IWMMXT enabled ${iwmmxt-no}"
2274 echo "NEON enabled ${neon-no}"
2275 fi
2276 if enabled mips; then
2277 echo "MMI enabled ${mmi-no}"
2278 fi
2279 if enabled ppc; then
2280 echo "AltiVec enabled ${altivec-no}"
2281 echo "PPC 4xx optimizations ${ppc4xx-no}"
2282 echo "dcbzl available ${dcbzl-no}"
2283 echo "performance report ${powerpc_perf-no}"
2284 fi
2285 if enabled sparc; then
2286 echo "VIS enabled ${vis-no}"
2287 fi
2288 echo "gprof enabled ${gprof-no}"
2289 echo "debug symbols ${debug-no}"
2290 echo "strip symbols ${stripping-no}"
2291 echo "optimizations ${optimizations-no}"
2292 echo "static ${static-no}"
2293 echo "shared ${shared-no}"
2294 echo "postprocessing support ${postproc-no}"
2295 echo "new filter support ${avfilter-no}"
2296 echo "filters using lavformat ${avfilter_lavf-no}"
2297 echo "network support ${network-no}"
2298 if enabled network; then
2299 echo "IPv6 support ${ipv6-no}"
2300 fi
2301 echo "threading support ${thread_type-no}"
2302 echo "SDL support ${sdl-no}"
2303 if enabled sdl_too_old; then
2304 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2305 fi
2306 echo "Sun medialib support ${mlib-no}"
2307 echo "AVISynth enabled ${avisynth-no}"
2308 echo "libamr-nb support ${libamr_nb-no}"
2309 echo "libamr-wb support ${libamr_wb-no}"
2310 echo "libdc1394 support ${libdc1394-no}"
2311 echo "libdirac enabled ${libdirac-no}"
2312 echo "libfaac enabled ${libfaac-no}"
2313 echo "libfaad enabled ${libfaad-no}"
2314 echo "libfaad dlopened ${libfaadbin-no}"
2315 echo "libgsm enabled ${libgsm-no}"
2316 echo "libmp3lame enabled ${libmp3lame-no}"
2317 echo "libnut enabled ${libnut-no}"
2318 echo "libopenjpeg enabled ${libopenjpeg-no}"
2319 echo "libschroedinger enabled ${libschroedinger-no}"
2320 echo "libspeex enabled ${libspeex-no}"
2321 echo "libtheora enabled ${libtheora-no}"
2322 echo "libvorbis enabled ${libvorbis-no}"
2323 echo "libx264 enabled ${libx264-no}"
2324 echo "libxvid enabled ${libxvid-no}"
2325 echo "zlib enabled ${zlib-no}"
2326 echo "bzlib enabled ${bzlib-no}"
2327 echo
2328
2329 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2330 echo "Enabled ${type}s:"
2331 eval list=\$$(toupper $type)_LIST
2332 for part in $list; do
2333 enabled $part && echo ${part%_*}
2334 done | sort | pr -3 -t
2335 echo
2336 done
2337
2338 license="LGPL"
2339 if enabled nonfree; then
2340 license="unredistributable"
2341 elif enabled gpl; then
2342 license="GPL"
2343 fi
2344
2345 echo "License: $license"
2346
2347 echo "Creating config.mak and config.h..."
2348
2349 echo "# Automatically generated by configure - do not modify!" > config.mak
2350 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2351 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2352 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2353 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2354 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2355
2356 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2357 echo "prefix=$prefix" >> config.mak
2358 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2359 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2360 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2361 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2362 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2363 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2364 echo "CC=$cc" >> config.mak
2365 echo "AS=$as" >> config.mak
2366 echo "YASM=$yasmexe" >> config.mak
2367 echo "AR=$ar" >> config.mak
2368 echo "RANLIB=$ranlib" >> config.mak
2369 echo "LN_S=$ln_s" >> config.mak
2370 enabled stripping &&
2371 echo "STRIP=$strip" >> config.mak ||
2372 echo "STRIP=echo ignoring strip" >> config.mak
2373
2374 echo "OPTFLAGS=$CFLAGS" >> config.mak
2375 echo "LDFLAGS=$LDFLAGS" >> config.mak
2376 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2377 echo "SHFLAGS=$SHFLAGS" >> config.mak
2378 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2379 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2380 echo "BUILD_STATIC=$static" >> config.mak
2381 echo "BUILDSUF=$build_suffix" >> config.mak
2382 echo "FULLNAME=$FULLNAME" >> config.mak
2383 echo "LIBPREF=$LIBPREF" >> config.mak
2384 echo "LIBSUF=$LIBSUF" >> config.mak
2385 echo "LIBNAME=$LIBNAME" >> config.mak
2386 echo "SLIBPREF=$SLIBPREF" >> config.mak
2387 echo "SLIBSUF=$SLIBSUF" >> config.mak
2388 echo "EXESUF=$EXESUF" >> config.mak
2389 echo "EXTRA_VERSION=$extra_version" >> config.mak
2390 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2391 echo "HOSTCC=$host_cc" >> config.mak
2392 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2393 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2394 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2395 echo "HOSTLIBS=$host_libs" >> config.mak
2396 echo "TARGET_EXEC=$target_exec" >> config.mak
2397 echo "TARGET_PATH=$target_path" >> config.mak
2398
2399 if enabled bigendian; then
2400 echo "WORDS_BIGENDIAN=yes" >> config.mak
2401 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2402 fi
2403
2404 if enabled sdl; then
2405 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2406 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2407 fi
2408 if enabled texi2html; then
2409 echo "BUILD_DOC=yes" >> config.mak
2410 fi
2411
2412 get_version(){
2413 name=$1
2414 file=$source_path/$2
2415 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2416 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2417 lcname=$(tolower $name)
2418 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2419 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2420 }
2421
2422 get_version LIBSWSCALE libswscale/swscale.h
2423 get_version LIBPOSTPROC libpostproc/postprocess.h
2424 get_version LIBAVCODEC libavcodec/avcodec.h
2425 get_version LIBAVDEVICE libavdevice/avdevice.h
2426 get_version LIBAVFORMAT libavformat/avformat.h
2427 get_version LIBAVUTIL libavutil/avutil.h
2428 get_version LIBAVFILTER libavfilter/avfilter.h
2429
2430 if enabled shared; then
2431 echo "BUILD_SHARED=yes" >> config.mak
2432 echo "PIC=-fPIC -DPIC" >> config.mak
2433 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2434 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2435 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2436 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2437 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2438 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2439 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2440 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2441 fi
2442 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2443 echo "EXTRALIBS=$extralibs" >> config.mak
2444
2445 echo "ARCH=$arch" >> config.mak
2446
2447 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2448 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2449 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2450 $CONFIG_EXTRA \
2451 $DECODER_LIST \
2452 $ENCODER_LIST \
2453 $PARSER_LIST \
2454 $BSF_LIST \
2455 $DEMUXER_LIST \
2456 $MUXER_LIST \
2457 $FILTER_LIST \
2458 $PROTOCOL_LIST \
2459 $INDEV_LIST \
2460 $OUTDEV_LIST \
2461
2462 echo "#define restrict $_restrict" >> $TMPH
2463
2464 if enabled small; then
2465 echo "#define av_always_inline" >> $TMPH
2466 fi
2467
2468 echo "SRC_PATH=\"$source_path\"" >> config.mak
2469 echo "SRC_PATH_BARE=$source_path" >> config.mak
2470 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2471
2472 # Apparently it's not possible to portably echo a backslash.
2473 enabled asmalign_pot &&
2474 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2475 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2476
2477 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2478
2479 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2480
2481 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2482 cmp -s $TMPH config.h &&
2483 echo "config.h is unchanged" ||
2484 mv -f $TMPH config.h
2485
2486 # build tree in object directory if source path is different from current one
2487 if enabled source_path_used; then
2488 DIRS="\
2489 doc \
2490 libavcodec \
2491 libavcodec/alpha \
2492 libavcodec/arm \
2493 libavcodec/bfin \
2494 libavcodec/mlib \
2495 libavcodec/ppc \
2496 libavcodec/sh4 \
2497 libavcodec/sparc \
2498 libavcodec/x86 \
2499 libavdevice \
2500 libavfilter \
2501 libavformat \
2502 libavutil \
2503 libpostproc \
2504 libswscale \
2505 tests \
2506 tools \
2507 "
2508 FILES="\
2509 Makefile \
2510 common.mak \
2511 subdir.mak \
2512 doc/texi2pod.pl \
2513 libavcodec/Makefile \
2514 libavdevice/Makefile \
2515 libavfilter/Makefile \
2516 libavformat/Makefile \
2517 libavutil/Makefile \
2518 libpostproc/Makefile \
2519 libswscale/Makefile \
2520 "
2521 for dir in $DIRS ; do
2522 mkdir -p $dir
2523 done
2524 for f in $FILES ; do
2525 $ln_s "$source_path/$f" $f
2526 done
2527 fi
2528
2529
2530 # build pkg-config files
2531
2532 pkgconfig_generate(){
2533 name=$1
2534 shortname=${name#lib}${build_suffix}
2535 comment=$2
2536 version=$3
2537 libs=$4
2538 requires=$5
2539 cat <<EOF > $name/$name.pc
2540 prefix=$prefix
2541 exec_prefix=\${prefix}
2542 libdir=$libdir
2543 includedir=$incdir
2544
2545 Name: $name
2546 Description: $comment
2547 Version: $version
2548 Requires: $(disabled shared && echo $requires)
2549 Requires.private: $(enabled shared && echo $requires)
2550 Conflicts:
2551 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2552 Libs.private: $(enabled shared && echo $libs)
2553 Cflags: -I\${includedir}
2554 EOF
2555 cat <<EOF > $name/$name-uninstalled.pc
2556 prefix=
2557 exec_prefix=
2558 libdir=\${pcfiledir}
2559 includedir=${source_path}
2560
2561 Name: $name
2562 Description: $comment
2563 Version: $version
2564 Requires: $requires
2565 Conflicts:
2566 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2567 Cflags: -I\${includedir}
2568 EOF
2569 }
2570
2571 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2572 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2573 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2574 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2575 enabled avfilter &&
2576 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2577 enabled postproc &&
2578 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2579 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"