Reorder arguments for av_fifo_generic_read to be more logical and
[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="$libdir_default"
1147
1148 # toolchain
1149 ar="ar"
1150 as_default="gcc"
1151 cc_default="gcc"
1152 host_cc_default="gcc"
1153 ln_s="ln -sf"
1154 nm_default="nm"
1155 objformat="elf"
1156 ranlib="ranlib"
1157 strip="strip"
1158 yasmexe="yasm"
1159
1160 # machine
1161 arch=`uname -m`
1162 cpu="generic"
1163
1164 # OS
1165 target_os=$(tolower $(uname -s))
1166 host_os=$target_os
1167
1168 # configurable options
1169 enable debug
1170 enable fastdiv
1171 enable ffmpeg
1172 enable ffplay
1173 enable ffserver
1174 enable ipv6
1175 enable mpegaudio_hp
1176 enable network
1177 enable optimizations
1178 enable protocols
1179 enable static
1180 enable stripping
1181
1182 # build settings
1183 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1184 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1185 FFSERVERLDFLAGS=-Wl,-E
1186 LIBPREF="lib"
1187 LIBSUF=".a"
1188 FULLNAME='$(NAME)$(BUILDSUF)'
1189 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1190 SLIBPREF="lib"
1191 SLIBSUF=".so"
1192 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1193 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1194 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1195 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1196
1197 host_cflags='-O3 -g -Wall'
1198 host_libs='-lm'
1199
1200 target_path='.'
1201
1202 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1203 # full relative path for objects in subdirectories for non-recursive Make.
1204 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1205
1206 # find source path
1207 source_path="`dirname \"$0\"`"
1208 enable source_path_used
1209 if test -z "$source_path" -o "$source_path" = "." ; then
1210 source_path="`pwd`"
1211 disable source_path_used
1212 else
1213 source_path="`cd \"$source_path\"; pwd`"
1214 echo "$source_path" | grep -q '[[:blank:]]' &&
1215 die "Out of tree builds are impossible with whitespace in source path."
1216 fi
1217
1218 FFMPEG_CONFIGURATION="$@"
1219
1220 find_things(){
1221 thing=$1
1222 pattern=$2
1223 file=$source_path/$3
1224 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1225 }
1226
1227 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1228 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1229 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1230 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1231 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1232 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1233 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1234 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1235 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1236 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1237
1238 enable $ARCH_EXT_LIST \
1239 $DECODER_LIST \
1240 $ENCODER_LIST \
1241 $PARSER_LIST \
1242 $BSF_LIST \
1243 $DEMUXER_LIST \
1244 $MUXER_LIST \
1245 $FILTER_LIST \
1246 $PROTOCOL_LIST \
1247 $INDEV_LIST \
1248 $OUTDEV_LIST \
1249
1250 die_unknown(){
1251 echo "Unknown option \"$1\"."
1252 echo "See $0 --help for available options."
1253 exit 1
1254 }
1255
1256 show_list() {
1257 suffix=_$1
1258 shift
1259 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1260 exit 0
1261 }
1262
1263 for opt do
1264 optval="${opt#*=}"
1265 case "$opt" in
1266 --extra-cflags=*) add_cflags $optval
1267 ;;
1268 --extra-ldflags=*) add_ldflags $optval
1269 ;;
1270 --extra-libs=*) add_extralibs $optval
1271 ;;
1272 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1273 ;;
1274 --enable-debug=*) debuglevel="$optval"
1275 ;;
1276 --enable-*=*|--disable-*=*)
1277 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1278 case "$thing" in
1279 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1280 *) die_unknown "$opt" ;;
1281 esac
1282 ;;
1283 --enable-?*|--disable-?*)
1284 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1285 if is_in $option $COMPONENT_LIST; then
1286 eval $action \$$(toupper ${option%s})_LIST
1287 elif is_in $option $CMDLINE_SELECT; then
1288 $action $option
1289 else
1290 die_unknown $opt
1291 fi
1292 ;;
1293 --list-*)
1294 NAME="${opt#--list-}"
1295 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1296 NAME=${NAME%s}
1297 eval show_list $NAME \$$(toupper $NAME)_LIST
1298 ;;
1299 --help|-h) show_help
1300 ;;
1301 *)
1302 optname="${opt%%=*}"
1303 optname="${optname#--}"
1304 optname=$(echo "$optname" | sed 's/-/_/g')
1305 is_in $optname $CMDLINE_SET || die_unknown $opt
1306 eval $optname='$optval'
1307 ;;
1308 esac
1309 done
1310
1311 disabled logging && logfile=/dev/null
1312
1313 echo "# $0 $@" > $logfile
1314 set >> $logfile
1315
1316 test -n "$cross_prefix" && enable cross_compile
1317
1318 ar="${cross_prefix}${ar}"
1319 as_default="${cross_prefix}${as_default}"
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="${sysroot}/usr/include"
1326
1327 set_default as cc nm sysinclude
1328 enabled cross_compile || host_cc_default=$cc
1329 set_default host_cc
1330
1331 exesuf() {
1332 case $1 in
1333 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1334 esac
1335 }
1336
1337 EXESUF=$(exesuf $target_os)
1338 HOSTEXESUF=$(exesuf $host_os)
1339
1340 # set temporary file name
1341 : ${TMPDIR:=$TEMPDIR}
1342 : ${TMPDIR:=$TMP}
1343 : ${TMPDIR:=/tmp}
1344
1345 if ! check_cmd type mktemp; then
1346 # simple replacement for missing mktemp
1347 # NOT SAFE FOR GENERAL USE
1348 mktemp(){
1349 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1350 }
1351 fi
1352
1353 tmpfile(){
1354 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1355 (set -C; exec > $tmp) 2>/dev/null ||
1356 die "Unable to create temoporary file in $TMPDIR."
1357 append TMPFILES $tmp
1358 eval $1=$tmp
1359 }
1360
1361 trap 'rm -f -- $TMPFILES' EXIT
1362 trap exit HUP INT TERM
1363
1364 tmpfile TMPC .c
1365 tmpfile TMPE $EXESUF
1366 tmpfile TMPH .h
1367 tmpfile TMPO .o
1368 tmpfile TMPS .S
1369 tmpfile TMPSH .sh
1370
1371 unset -f mktemp
1372
1373 # make sure we can execute files in $TMPDIR
1374 cat > $TMPSH 2>> $logfile <<EOF
1375 #! /bin/sh
1376 EOF
1377 chmod +x $TMPSH >> $logfile 2>&1
1378 if ! $TMPSH >> $logfile 2>&1; then
1379 cat <<EOF
1380 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1381 variable to another directory and make sure that it is not mounted noexec.
1382 EOF
1383 die "Sanity test failed."
1384 fi
1385
1386 if $cc --version 2>/dev/null | grep -qi gcc; then
1387 cc_type=gcc
1388 elif $cc --version 2>/dev/null | grep -q Intel; then
1389 cc_type=icc
1390 elif $cc -v 2>&1 | grep -q xlc; then
1391 cc_type=xlc
1392 elif $cc -V 2>/dev/null | grep -q Compaq; then
1393 cc_type=ccc
1394 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1395 debuglevel=3
1396 add_ldflags -Wl,-z,now # calls to libots crash without this
1397 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1398 test -d "$sysroot" || die "No valid sysroot specified."
1399 cc_type=armcc
1400 armcc_conf="$PWD/armcc.conf"
1401 $cc --arm_linux_configure \
1402 --arm_linux_config_file="$armcc_conf" \
1403 --configure_sysroot="$sysroot" \
1404 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1405 die "Error creating armcc configuration file."
1406 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1407 fi
1408
1409 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1410
1411 if test -n "$sysroot"; then
1412 case "$cc_type" in
1413 gcc)
1414 add_cflags --sysroot="$sysroot"
1415 add_ldflags --sysroot="$sysroot"
1416 ;;
1417 esac
1418 fi
1419
1420 # compiler sanity check
1421 check_exec <<EOF
1422 int main(void){ return 0; }
1423 EOF
1424 if test "$?" != 0; then
1425 echo "$cc is unable to create an executable file."
1426 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1427 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1428 echo "Only do this if you know what cross compiling means."
1429 fi
1430 die "C compiler test failed."
1431 fi
1432
1433 check_cflags -std=c99
1434 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1435 #include <stdlib.h>
1436 EOF
1437 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1438 #include <stdlib.h>
1439 EOF
1440
1441 case "$arch" in
1442 alpha)
1443 arch="alpha"
1444 enable fast_64bit
1445 check_cflags -mieee
1446 ;;
1447 arm|armv[4567]*l)
1448 arch="arm"
1449 ;;
1450 avr32)
1451 ;;
1452 bfin)
1453 arch="bfin"
1454 ;;
1455 ia64)
1456 arch="ia64"
1457 enable fast_64bit
1458 ;;
1459 m68k)
1460 arch="m68k"
1461 ;;
1462 mips|mipsel|IP*)
1463 arch="mips"
1464 ;;
1465 mips64)
1466 arch="mips"
1467 enable fast_64bit
1468 ;;
1469 parisc|hppa)
1470 arch="parisc"
1471 ;;
1472 parisc64|hppa64)
1473 arch="parisc"
1474 enable fast_64bit
1475 ;;
1476 "Power Macintosh"|ppc|powerpc)
1477 arch="ppc"
1478 enable fast_unaligned
1479 ;;
1480 ppc64)
1481 arch="ppc"
1482 enable fast_64bit
1483 enable fast_unaligned
1484 ;;
1485 s390|s390x)
1486 arch="s390"
1487 ;;
1488 sh4|sh)
1489 arch="sh4"
1490 ;;
1491 sparc)
1492 arch="sparc"
1493 ;;
1494 sun4u|sparc64)
1495 arch="sparc"
1496 subarch="sparc64"
1497 enable fast_64bit
1498 ;;
1499 i386|i486|i586|i686|i86pc|BePC)
1500 arch="x86"
1501 subarch="x86_32"
1502 enable fast_unaligned
1503 ;;
1504 x86_64|amd64)
1505 arch="x86"
1506 subarch="x86_32"
1507 enable cmov
1508 enable fast_cmov
1509 enable fast_unaligned
1510 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1511 int test[sizeof(char*) - 7];
1512 EOF
1513 ;;
1514 *)
1515 arch="unknown"
1516 ;;
1517 esac
1518
1519 enable $arch $subarch
1520
1521 # OS specific
1522 case $target_os in
1523 beos|haiku|zeta)
1524 prefix_default="$HOME/config"
1525 # helps building libavcodec
1526 add_cflags -DPIC -fomit-frame-pointer
1527 # 3 gcc releases known for BeOS, each with ugly bugs
1528 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1529 case "$gcc_version" in
1530 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1531 disable mmx
1532 ;;
1533 *20010315*) echo "BeBits gcc"
1534 add_cflags -fno-expensive-optimizations
1535 ;;
1536 esac
1537 SHFLAGS=-nostart
1538 # enable BeOS things
1539 enable audio_beos
1540 # no need for libm, but the inet stuff
1541 # Check for BONE
1542 # XXX: actually should check for NOT net_server
1543 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1544 network_extralibs="-lbind -lsocket"
1545 else
1546 enable beos_netserver
1547 network_extralibs="-lnet"
1548 fi ;;
1549 sunos)
1550 FFSERVERLDFLAGS=""
1551 SHFLAGS='-shared -Wl,-h,$$(@F)'
1552 network_extralibs="-lsocket -lnsl"
1553 add_cflags -D__EXTENSIONS__
1554 ;;
1555 netbsd)
1556 oss_demuxer_extralibs="-lossaudio"
1557 oss_muxer_extralibs="-lossaudio"
1558 ;;
1559 openbsd)
1560 disable need_memalign
1561 LIBOBJFLAGS='$(PIC)'
1562 SHFLAGS='-shared'
1563 oss_demuxer_extralibs="-lossaudio"
1564 oss_muxer_extralibs="-lossaudio"
1565 ;;
1566 freebsd)
1567 disable need_memalign
1568 ;;
1569 bsd/os)
1570 osextralibs="-lpoll -lgnugetopt"
1571 strip="strip -d"
1572 ;;
1573 darwin)
1574 disable need_memalign
1575 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1576 strip="strip -x"
1577 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1578 SLIBSUF=".dylib"
1579 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1580 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1581 FFSERVERLDFLAGS=-Wl,-bind_at_load
1582 objformat="macho"
1583 enabled x86_64 && objformat="macho64"
1584 ;;
1585 mingw32*)
1586 target_os=mingw32
1587 LIBTARGET=i386
1588 if enabled x86_64; then
1589 disable need_memalign
1590 LIBTARGET=x64
1591 fi
1592 shlibdir_default="$bindir_default"
1593 disable ffserver
1594 SLIBPREF=""
1595 SLIBSUF=".dll"
1596 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1597 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1598 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1599 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1600 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1601 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1602 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1603 objformat="win32"
1604 enable dos_paths
1605 if ! enabled x86_64; then
1606 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1607 die "ERROR: MinGW runtime version must be >= 3.15."
1608 enabled_any avisynth vfwcap_demuxer &&
1609 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1610 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1611 fi
1612 ;;
1613 cygwin*)
1614 target_os=cygwin
1615 shlibdir_default="$bindir_default"
1616 SLIBPREF="cyg"
1617 SLIBSUF=".dll"
1618 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1619 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1620 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1621 objformat="win32"
1622 enable dos_paths
1623 ;;
1624 *-dos|freedos|opendos)
1625 disable ffplay ffserver
1626 disable $INDEV_LIST $OUTDEV_LIST
1627 network_extralibs="-lsocket"
1628 objformat="coff"
1629 enable dos_paths
1630 ;;
1631 linux)
1632 enable dv1394
1633 ;;
1634 irix*)
1635 target_os=irix
1636 ranlib="echo ignoring ranlib"
1637 ;;
1638 os/2*)
1639 strip="lxlite"
1640 ln_s="cp -f"
1641 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1642 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1643 FFSERVERLDFLAGS=""
1644 LIBSUF="_s.a"
1645 SLIBPREF=""
1646 SLIBSUF=".dll"
1647 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1648 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1649 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1650 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1651 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1652 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1653 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1654 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1655 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1656 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1657 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1658 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1659 enable dos_paths
1660 ;;
1661
1662 *)
1663 die "Unknown OS '$target_os'."
1664 ;;
1665 esac
1666
1667 set_default $PATHS_LIST
1668
1669 add_extralibs $osextralibs
1670
1671 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1672 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1673
1674 # we need to build at least one lib type
1675 if ! enabled_any static shared; then
1676 cat <<EOF
1677 At least one library type must be built.
1678 Specify --enable-static to build the static libraries or --enable-shared to
1679 build the shared libraries as well. To only build the shared libraries specify
1680 --disable-static in addition to --enable-shared.
1681 EOF
1682 exit 1;
1683 fi
1684
1685 disabled static && LIBNAME=""
1686
1687 if enabled_any libfaad libfaadbin ; then
1688 if check_header faad.h; then
1689 check_cc <<EOF
1690 #include <faad.h>
1691 #ifndef FAAD2_VERSION
1692 ok faad1
1693 #endif
1694 int main(void) { return 0; }
1695 EOF
1696 test $? = 0 && enable libfaad2
1697 else
1698 die "FAAD test failed."
1699 fi
1700 fi
1701
1702
1703 if ! enabled gpl; then
1704 die_gpl_disabled(){
1705 name=$1
1706 shift
1707 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1708 }
1709 die_gpl_disabled "The Postprocessing code" postproc
1710 die_gpl_disabled "libx264" libx264
1711 die_gpl_disabled "libxvidcore" libxvid
1712 die_gpl_disabled "FAAD2" libfaad2
1713 die_gpl_disabled "The X11 grabber" x11grab
1714 fi
1715
1716 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1717 die "libamr is nonfree and --enable-nonfree is not specified."
1718 fi
1719
1720 check_deps $ARCH_EXT_LIST
1721
1722 test -z "$need_memalign" && need_memalign="$mmx"
1723
1724 #Darwin CC versions
1725 if test $target_os = darwin; then
1726 if enabled xlc; then
1727 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1728 else
1729 add_cflags -pipe
1730 check_cflags -force_cpusubtype_ALL
1731 check_cflags -Wno-sign-compare
1732 enabled shared || check_cflags -mdynamic-no-pic
1733 fi
1734 fi
1735
1736 disabled optimizations || check_cflags -fomit-frame-pointer
1737
1738 # Add processor-specific flags
1739 if test $cpu != "generic"; then
1740 warn_altivec(){
1741 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1742 }
1743 case $cpu in
1744 601|ppc601|PowerPC601)
1745 add_cflags -mcpu=601
1746 warn_altivec enabled PPC601
1747 ;;
1748 603*|ppc603*|PowerPC603*)
1749 add_cflags -mcpu=603
1750 warn_altivec enabled PPC603
1751 ;;
1752 604*|ppc604*|PowerPC604*)
1753 add_cflags -mcpu=604
1754 warn_altivec enabled PPC604
1755 ;;
1756 G3|g3|75*|ppc75*|PowerPC75*)
1757 add_cflags -mcpu=750 -mpowerpc-gfxopt
1758 warn_altivec enabled PPC75x
1759 ;;
1760 G4|g4|745*|ppc745*|PowerPC745*)
1761 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1762 warn_altivec disabled PPC745x
1763 ;;
1764 74*|ppc74*|PowerPC74*)
1765 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1766 warn_altivec disabled PPC74xx
1767 ;;
1768 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1769 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1770 warn_altivec disabled PPC970
1771 enable ppc64
1772 ;;
1773 Cell|CELL|cell)
1774 add_cflags -mcpu=cell
1775 warn_altivec disabled Cell
1776 enable ppc64
1777 ;;
1778 # targets that do NOT support conditional mov (cmov)
1779 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1780 add_cflags -march=$cpu
1781 disable cmov
1782 ;;
1783 # targets that do support conditional mov (cmov)
1784 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1785 add_cflags -march=$cpu
1786 enable cmov
1787 enable fast_cmov
1788 ;;
1789 # targets that do support conditional mov but on which it's slow
1790 pentium4|pentium4m|prescott|nocona)
1791 add_cflags -march=$cpu
1792 enable cmov
1793 disable fast_cmov
1794 ;;
1795 sparc64)
1796 add_cflags -mcpu=v9
1797 ;;
1798 arm11*|cortex*)
1799 add_cflags -mcpu=$cpu
1800 enable fast_unaligned
1801 ;;
1802 armv*)
1803 add_cflags -march=$cpu
1804 ;;
1805 arm*)
1806 add_cflags -mcpu=$cpu
1807 ;;
1808 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1809 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1810 ;;
1811 *)
1812 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1813 ;;
1814 esac
1815 fi
1816
1817 check_cc <<EOF || die "Symbol mangling check failed."
1818 int ff_extern;
1819 EOF
1820 sym=$($nm -P -g $TMPO | grep ff_extern)
1821 extern_prefix=${sym%%ff_extern*}
1822
1823 check_cc <<EOF && enable inline_asm
1824 void foo(void) { __asm__ volatile ("" ::); }
1825 EOF
1826
1827 if enabled x86; then
1828 # check whether EBP is available on x86
1829 # As 'i' is stored on the stack, this program will crash
1830 # if the base pointer is used to access it because the
1831 # base pointer is cleared in the inline assembly code.
1832 check_exec_crash <<EOF && enable ebp_available
1833 volatile int i=0;
1834 __asm__ volatile (
1835 "xorl %%ebp, %%ebp"
1836 ::: "%ebp");
1837 return i;
1838 EOF
1839
1840 # check wether EBX is available on x86
1841 check_asm ebx_available '"":::"%ebx"'
1842
1843 # check whether more than 10 operands are supported
1844 check_cc <<EOF && enable ten_operands
1845 int main(void) {
1846 int x=0;
1847 __asm__ volatile(
1848 ""
1849 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1850 );
1851 return 0;
1852 }
1853 EOF
1854
1855 # check whether binutils is new enough to compile SSSE3/MMX2
1856 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1857 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1858
1859 check_asm bswap '"bswap %%eax" ::: "%eax"'
1860
1861 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1862 enabled x86_64 && append YASMFLAGS "-m amd64"
1863 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1864 case "$objformat" in
1865 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1866 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1867 *) append YASMFLAGS "-DPREFIX" ;;
1868 esac
1869 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1870 fi
1871
1872 # check for assembler specific support
1873
1874 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1875 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1876
1877 # check for SIMD availability
1878
1879 # AltiVec flags: The FSF version of GCC differs from the Apple version
1880 if enabled altivec; then
1881 check_cflags -maltivec -mabi=altivec &&
1882 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1883 check_cflags -faltivec
1884
1885 # check if our compiler supports Motorola AltiVec C API
1886 check_cc <<EOF || disable altivec
1887 $inc_altivec_h
1888 int main(void) {
1889 vector signed int v1, v2, v3;
1890 v1 = vec_add(v2,v3);
1891 return 0;
1892 }
1893 EOF
1894
1895 # check if our compiler supports braces for vector declarations
1896 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1897 $inc_altivec_h
1898 int main (void) { (vector int) {1}; return 0; }
1899 EOF
1900 fi
1901
1902 # We have to check if pld is a nop and disable it.
1903 enabled arm && check_asm pld '"pld [r0]"'
1904 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1905 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1906 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1907 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1908 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1909 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1910 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1911 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1912
1913 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1914
1915 # ---
1916 # big/little-endian test
1917 check_cc <<EOF || die "endian test failed"
1918 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1919 EOF
1920 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1921
1922 # ---
1923 # check availability of some header files
1924
1925 if check_func dlopen; then
1926 ldl=
1927 elif check_func dlopen -ldl; then
1928 ldl=-ldl
1929 fi
1930
1931 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1932 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1933
1934 check_func fork
1935 check_func gethrtime
1936 check_func getrusage
1937 check_func inet_aton $network_extralibs
1938 check_func memalign
1939 check_func mkstemp
1940 check_func posix_memalign
1941 check_func_headers io.h setmode
1942 check_func_headers windows.h GetProcessTimes
1943
1944 check_header conio.h
1945 check_header dlfcn.h
1946 check_header malloc.h
1947 check_header poll.h
1948 check_header sys/mman.h
1949 check_header sys/resource.h
1950 check_header sys/select.h
1951 check_header termios.h
1952 check_header vdpau/vdpau.h
1953 check_header vdpau/vdpau_x11.h
1954 check_header X11/extensions/XvMClib.h
1955
1956 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1957 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1958 fi
1959
1960 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1961 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1962
1963 # check for some common methods of building with pthread support
1964 # do this before the optional library checks as some of them require pthreads
1965 if enabled pthreads; then
1966 if check_func pthread_create; then
1967 :
1968 elif check_func pthread_create -pthread; then
1969 add_cflags -pthread
1970 add_extralibs -pthread
1971 elif check_func pthread_create -pthreads; then
1972 add_cflags -pthreads
1973 add_extralibs -pthreads
1974 elif check_func pthread_create -lpthreadGC2; then
1975 add_extralibs -lpthreadGC2
1976 elif ! check_lib pthread.h pthread_create -lpthread; then
1977 die "ERROR: can't find pthreads library"
1978 fi
1979 fi
1980
1981 for thread in $THREADS_LIST; do
1982 if enabled $thread; then
1983 test -n "$thread_type" &&
1984 die "ERROR: Only one thread type must be selected." ||
1985 thread_type="$thread"
1986 fi
1987 done
1988
1989 check_lib math.h sin -lm
1990
1991 # test for C99 functions in math.h
1992 for func in llrint lrint lrintf round roundf truncf; do
1993 check_exec <<EOF && enable $func || disable $func
1994 #include <math.h>
1995 int main(void) { return ($func(3.999f) > 0)?0:1; }
1996 EOF
1997 done
1998
1999 # these are off by default, so fail if requested and not available
2000 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2001 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2002 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2003 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2004 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2005 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2006 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2007 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2008 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2009 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2010 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2011 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2012 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2013 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2014 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2015 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2016 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2017 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2018 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2019 die "ERROR: libx264 version must be >= 0.65."; }
2020 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2021 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2022
2023 # libdc1394 check
2024 if enabled libdc1394; then
2025 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2026 enable libdc1394_2; } ||
2027 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2028 enable libdc1394_1; } ||
2029 die "ERROR: No version of libdc1394 found "
2030 fi
2031
2032
2033 _restrict=
2034 for restrict_keyword in restrict __restrict__ __restrict; do
2035 check_cc <<EOF && _restrict=$restrict_keyword && break
2036 void foo(char * $restrict_keyword p);
2037 EOF
2038 done
2039
2040 ##########################################
2041 # SDL check
2042
2043 disable sdl_too_old
2044 disable sdl
2045 SDL_CONFIG="${cross_prefix}sdl-config"
2046 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2047 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2048 temp_cflags $sdl_cflags
2049 temp_extralibs `"${SDL_CONFIG}" --libs`
2050 if check_lib2 SDL.h SDL_Init; then
2051 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2052 if test "$_sdlversion" -lt 121 ; then
2053 enable sdl_too_old
2054 else
2055 enable sdl
2056 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2057 #include <SDL.h>
2058 int main(int argc, char **argv){
2059 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2060 int w = vi->current_w;
2061 return 0;
2062 }
2063 EOF
2064 fi
2065 fi
2066 restore_flags
2067 fi
2068
2069 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2070
2071 ##########################################
2072 # Network check
2073
2074 if enabled network; then
2075 check_type "sys/types.h sys/socket.h" socklen_t
2076 # Prefer arpa/inet.h over winsock2
2077 if check_header arpa/inet.h ; then
2078 check_func closesocket
2079 elif check_header winsock2.h ; then
2080 network_extralibs="-lws2_32"
2081 check_type ws2tcpip.h socklen_t
2082 check_func_headers winsock2.h closesocket
2083 fi
2084 fi
2085
2086 ##########################################
2087 # IPv6 check
2088
2089 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2090 #include <sys/types.h>
2091 #include <sys/socket.h>
2092 #include <netinet/in.h>
2093 #include <netdb.h>
2094 int main(void) {
2095 struct sockaddr_storage saddr;
2096 struct ipv6_mreq mreq6;
2097 getaddrinfo(0,0,0,0);
2098 getnameinfo(0,0,0,0,0,0,0);
2099 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2100 }
2101 EOF
2102
2103 check_header linux/videodev.h
2104 check_header linux/videodev2.h
2105 check_header sys/videoio.h
2106
2107 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2108
2109 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2110 { check_header dev/bktr/ioctl_meteor.h &&
2111 check_header dev/bktr/ioctl_bt848.h; } ||
2112 { check_header machine/ioctl_meteor.h &&
2113 check_header machine/ioctl_bt848.h; } ||
2114 { check_header dev/video/meteor/ioctl_meteor.h &&
2115 check_header dev/video/bktr/ioctl_bt848.h; } ||
2116 check_header dev/ic/bt8xx.h
2117
2118 check_header sys/soundcard.h
2119 check_header soundcard.h
2120
2121 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2122
2123 # deal with the X11 frame grabber
2124 enabled x11grab &&
2125 check_header X11/Xlib.h &&
2126 check_header X11/extensions/XShm.h &&
2127 check_func XOpenDisplay -lX11 &&
2128 check_func XShmCreateImage -lX11 -lXext
2129
2130 enabled debug && add_cflags -g"$debuglevel"
2131
2132 # add some useful compiler flags if supported
2133 check_cflags -Wdeclaration-after-statement
2134 check_cflags -Wall
2135 check_cflags -Wno-switch
2136 check_cflags -Wdisabled-optimization
2137 check_cflags -Wpointer-arith
2138 check_cflags -Wredundant-decls
2139 check_cflags -Wno-pointer-sign
2140 check_cflags -Wcast-qual
2141 check_cflags -Wwrite-strings
2142 check_cflags -Wtype-limits
2143 check_cflags -Wundef
2144 enabled extra_warnings && check_cflags -Winline
2145
2146 # add some linker flags
2147 check_ldflags -Wl,--warn-common
2148 check_ldflags -Wl,--as-needed
2149 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'
2150 check_ldflags -Wl,-Bsymbolic
2151
2152 if enabled small; then
2153 check_cflags -Os # not all compilers support -Os
2154 optimizations="small"
2155 elif enabled optimizations; then
2156 if enabled xlc; then
2157 add_cflags -O5
2158 add_ldflags -O5
2159 elif enabled ccc; then
2160 add_cflags -fast
2161 else
2162 add_cflags -O3
2163 fi
2164 fi
2165 check_cflags -fno-math-errno
2166 check_cflags -fno-signed-zeros
2167
2168 # add some flags for Intel C Compiler
2169 if enabled icc; then
2170 # Just warnings, no remarks
2171 check_cflags -w1
2172 # -wd: Disable following warnings
2173 # 144, 167, 556: -Wno-pointer-sign
2174 # 10006: ignoring unknown option -fno-signed-zeros
2175 # 10156: ignoring option '-W'; no argument required
2176 check_cflags -wd144,167,556,10006,10156
2177 # 11030: Warning unknown option --as-needed
2178 # 10156: ignoring option '-export'; no argument required
2179 check_ldflags -wd10156,11030
2180 # Allow to compile with optimizations
2181 check_ldflags -march=$cpu
2182 elif enabled ccc; then
2183 # disable some annoying warnings
2184 add_cflags -msg_disable cvtu32to64
2185 add_cflags -msg_disable embedcomment
2186 add_cflags -msg_disable needconstext
2187 add_cflags -msg_disable nomainieee
2188 add_cflags -msg_disable ptrmismatch1
2189 add_cflags -msg_disable unreachcode
2190 fi
2191
2192 # PIC flags for shared library objects where they are needed
2193 if enabled shared; then
2194 # LIBOBJFLAGS may have already been set in the OS configuration
2195 if test -z "$LIBOBJFLAGS" ; then
2196 case "${subarch-$arch}" in
2197 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2198 esac
2199 fi
2200 fi
2201
2202 if enabled gprof; then
2203 add_cflags -p
2204 add_ldflags -p
2205 fi
2206
2207 # Find out if the .align argument is a power of two or not.
2208 check_asm asmalign_pot '".align 3"'
2209
2210 enabled_any $DECODER_LIST && enable decoders
2211 enabled_any $ENCODER_LIST && enable encoders
2212 enabled_any $BSF_LIST && enable bsfs
2213 enabled_any $DEMUXER_LIST && enable demuxers
2214 enabled_any $MUXER_LIST && enable muxers
2215 enabled_any $FILTER_LIST && enable filters
2216 enabled_any $INDEV_LIST && enable demuxers
2217 enabled_any $OUTDEV_LIST && enable muxers
2218 enabled_any $PROTOCOL_LIST && enable protocols
2219
2220 enabled_any $THREADS_LIST && enable threads
2221
2222 check_deps $CONFIG_LIST \
2223 $CONFIG_EXTRA \
2224 $HAVE_LIST \
2225 $DECODER_LIST \
2226 $ENCODER_LIST \
2227 $PARSER_LIST \
2228 $BSF_LIST \
2229 $DEMUXER_LIST \
2230 $MUXER_LIST \
2231 $FILTER_LIST \
2232 $INDEV_LIST \
2233 $OUTDEV_LIST \
2234 $PROTOCOL_LIST \
2235
2236 echo "install prefix $prefix"
2237 echo "source path $source_path"
2238 echo "C compiler $cc"
2239 echo ".align is power-of-two $asmalign_pot"
2240 echo "ARCH $arch ($cpu)"
2241 if test "$build_suffix" != ""; then
2242 echo "build suffix $build_suffix"
2243 fi
2244 if test "$extra_version" != ""; then
2245 echo "version string suffix $extra_version"
2246 fi
2247 echo "big-endian ${bigendian-no}"
2248 if enabled x86; then
2249 echo "yasm ${yasm-no}"
2250 echo "MMX enabled ${mmx-no}"
2251 echo "MMX2 enabled ${mmx2-no}"
2252 echo "3DNow! enabled ${amd3dnow-no}"
2253 echo "3DNow! extended enabled ${amd3dnowext-no}"
2254 echo "SSE enabled ${sse-no}"
2255 echo "SSSE3 enabled ${ssse3-no}"
2256 echo "CMOV enabled ${cmov-no}"
2257 echo "CMOV is fast ${fast_cmov-no}"
2258 echo "EBX available ${ebx_available-no}"
2259 echo "EBP available ${ebp_available-no}"
2260 echo "10 operands supported ${ten_operands-no}"
2261 fi
2262 if enabled arm; then
2263 echo "ARMv5TE enabled ${armv5te-no}"
2264 echo "ARMv6 enabled ${armv6-no}"
2265 echo "ARMv6T2 enabled ${armv6t2-no}"
2266 echo "ARM VFP enabled ${armvfp-no}"
2267 echo "IWMMXT enabled ${iwmmxt-no}"
2268 echo "NEON enabled ${neon-no}"
2269 fi
2270 if enabled mips; then
2271 echo "MMI enabled ${mmi-no}"
2272 fi
2273 if enabled ppc; then
2274 echo "AltiVec enabled ${altivec-no}"
2275 echo "PPC 4xx optimizations ${ppc4xx-no}"
2276 echo "dcbzl available ${dcbzl-no}"
2277 echo "performance report ${powerpc_perf-no}"
2278 fi
2279 if enabled sparc; then
2280 echo "VIS enabled ${vis-no}"
2281 fi
2282 echo "gprof enabled ${gprof-no}"
2283 echo "debug symbols ${debug-no}"
2284 echo "strip symbols ${stripping-no}"
2285 echo "optimizations ${optimizations-no}"
2286 echo "static ${static-no}"
2287 echo "shared ${shared-no}"
2288 echo "postprocessing support ${postproc-no}"
2289 echo "new filter support ${avfilter-no}"
2290 echo "filters using lavformat ${avfilter_lavf-no}"
2291 echo "network support ${network-no}"
2292 if enabled network; then
2293 echo "IPv6 support ${ipv6-no}"
2294 fi
2295 echo "threading support ${thread_type-no}"
2296 echo "SDL support ${sdl-no}"
2297 if enabled sdl_too_old; then
2298 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2299 fi
2300 echo "Sun medialib support ${mlib-no}"
2301 echo "AVISynth enabled ${avisynth-no}"
2302 echo "libamr-nb support ${libamr_nb-no}"
2303 echo "libamr-wb support ${libamr_wb-no}"
2304 echo "libdc1394 support ${libdc1394-no}"
2305 echo "libdirac enabled ${libdirac-no}"
2306 echo "libfaac enabled ${libfaac-no}"
2307 echo "libfaad enabled ${libfaad-no}"
2308 echo "libfaad dlopened ${libfaadbin-no}"
2309 echo "libgsm enabled ${libgsm-no}"
2310 echo "libmp3lame enabled ${libmp3lame-no}"
2311 echo "libnut enabled ${libnut-no}"
2312 echo "libopenjpeg enabled ${libopenjpeg-no}"
2313 echo "libschroedinger enabled ${libschroedinger-no}"
2314 echo "libspeex enabled ${libspeex-no}"
2315 echo "libtheora enabled ${libtheora-no}"
2316 echo "libvorbis enabled ${libvorbis-no}"
2317 echo "libx264 enabled ${libx264-no}"
2318 echo "libxvid enabled ${libxvid-no}"
2319 echo "zlib enabled ${zlib-no}"
2320 echo "bzlib enabled ${bzlib-no}"
2321 echo
2322
2323 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2324 echo "Enabled ${type}s:"
2325 eval list=\$$(toupper $type)_LIST
2326 for part in $list; do
2327 enabled $part && echo ${part%_*}
2328 done | sort | pr -3 -t
2329 echo
2330 done
2331
2332 license="LGPL"
2333 if enabled nonfree; then
2334 license="unredistributable"
2335 elif enabled gpl; then
2336 license="GPL"
2337 fi
2338
2339 echo "License: $license"
2340
2341 echo "Creating config.mak and config.h..."
2342
2343 echo "# Automatically generated by configure - do not modify!" > config.mak
2344 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2345 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2346 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2347 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2348 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2349
2350 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2351 echo "prefix=$prefix" >> config.mak
2352 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2353 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2354 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2355 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2356 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2357 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2358 echo "CC=$cc" >> config.mak
2359 echo "AS=$as" >> config.mak
2360 echo "YASM=$yasmexe" >> config.mak
2361 echo "AR=$ar" >> config.mak
2362 echo "RANLIB=$ranlib" >> config.mak
2363 echo "LN_S=$ln_s" >> config.mak
2364 enabled stripping &&
2365 echo "STRIP=$strip" >> config.mak ||
2366 echo "STRIP=echo ignoring strip" >> config.mak
2367
2368 echo "OPTFLAGS=$CFLAGS" >> config.mak
2369 echo "LDFLAGS=$LDFLAGS" >> config.mak
2370 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2371 echo "SHFLAGS=$SHFLAGS" >> config.mak
2372 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2373 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2374 echo "BUILD_STATIC=$static" >> config.mak
2375 echo "BUILDSUF=$build_suffix" >> config.mak
2376 echo "FULLNAME=$FULLNAME" >> config.mak
2377 echo "LIBPREF=$LIBPREF" >> config.mak
2378 echo "LIBSUF=$LIBSUF" >> config.mak
2379 echo "LIBNAME=$LIBNAME" >> config.mak
2380 echo "SLIBPREF=$SLIBPREF" >> config.mak
2381 echo "SLIBSUF=$SLIBSUF" >> config.mak
2382 echo "EXESUF=$EXESUF" >> config.mak
2383 echo "EXTRA_VERSION=$extra_version" >> config.mak
2384 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2385 echo "HOSTCC=$host_cc" >> config.mak
2386 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2387 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2388 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2389 echo "HOSTLIBS=$host_libs" >> config.mak
2390 echo "TARGET_EXEC=$target_exec" >> config.mak
2391 echo "TARGET_PATH=$target_path" >> config.mak
2392
2393 if enabled bigendian; then
2394 echo "WORDS_BIGENDIAN=yes" >> config.mak
2395 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2396 fi
2397
2398 if enabled sdl; then
2399 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2400 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2401 fi
2402 if enabled texi2html; then
2403 echo "BUILD_DOC=yes" >> config.mak
2404 fi
2405
2406 get_version(){
2407 name=$1
2408 file=$source_path/$2
2409 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2410 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2411 lcname=$(tolower $name)
2412 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2413 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2414 }
2415
2416 get_version LIBSWSCALE libswscale/swscale.h
2417 get_version LIBPOSTPROC libpostproc/postprocess.h
2418 get_version LIBAVCODEC libavcodec/avcodec.h
2419 get_version LIBAVDEVICE libavdevice/avdevice.h
2420 get_version LIBAVFORMAT libavformat/avformat.h
2421 get_version LIBAVUTIL libavutil/avutil.h
2422 get_version LIBAVFILTER libavfilter/avfilter.h
2423
2424 if enabled shared; then
2425 echo "BUILD_SHARED=yes" >> config.mak
2426 echo "PIC=-fPIC -DPIC" >> config.mak
2427 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2428 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2429 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2430 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2431 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2432 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2433 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2434 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2435 fi
2436 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2437 echo "EXTRALIBS=$extralibs" >> config.mak
2438
2439 echo "ARCH=$arch" >> config.mak
2440
2441 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2442 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2443 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2444 $CONFIG_EXTRA \
2445 $DECODER_LIST \
2446 $ENCODER_LIST \
2447 $PARSER_LIST \
2448 $BSF_LIST \
2449 $DEMUXER_LIST \
2450 $MUXER_LIST \
2451 $FILTER_LIST \
2452 $PROTOCOL_LIST \
2453 $INDEV_LIST \
2454 $OUTDEV_LIST \
2455
2456 echo "#define restrict $_restrict" >> $TMPH
2457
2458 if enabled small; then
2459 echo "#define av_always_inline" >> $TMPH
2460 fi
2461
2462 echo "SRC_PATH=\"$source_path\"" >> config.mak
2463 echo "SRC_PATH_BARE=$source_path" >> config.mak
2464 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2465
2466 # Apparently it's not possible to portably echo a backslash.
2467 enabled asmalign_pot &&
2468 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2469 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2470
2471 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2472
2473 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2474
2475 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2476 cmp -s $TMPH config.h &&
2477 echo "config.h is unchanged" ||
2478 mv -f $TMPH config.h
2479
2480 # build tree in object directory if source path is different from current one
2481 if enabled source_path_used; then
2482 DIRS="\
2483 doc \
2484 libavcodec \
2485 libavcodec/alpha \
2486 libavcodec/arm \
2487 libavcodec/bfin \
2488 libavcodec/mlib \
2489 libavcodec/ppc \
2490 libavcodec/sh4 \
2491 libavcodec/sparc \
2492 libavcodec/x86 \
2493 libavdevice \
2494 libavfilter \
2495 libavformat \
2496 libavutil \
2497 libpostproc \
2498 libswscale \
2499 tests \
2500 tools \
2501 "
2502 FILES="\
2503 Makefile \
2504 common.mak \
2505 subdir.mak \
2506 doc/texi2pod.pl \
2507 libavcodec/Makefile \
2508 libavdevice/Makefile \
2509 libavfilter/Makefile \
2510 libavformat/Makefile \
2511 libavutil/Makefile \
2512 libpostproc/Makefile \
2513 libswscale/Makefile \
2514 "
2515 for dir in $DIRS ; do
2516 mkdir -p $dir
2517 done
2518 for f in $FILES ; do
2519 $ln_s "$source_path/$f" $f
2520 done
2521 fi
2522
2523
2524 # build pkg-config files
2525
2526 pkgconfig_generate(){
2527 name=$1
2528 shortname=${name#lib}${build_suffix}
2529 comment=$2
2530 version=$3
2531 libs=$4
2532 requires=$5
2533 cat <<EOF > $name/$name.pc
2534 prefix=$prefix
2535 exec_prefix=\${prefix}
2536 libdir=$libdir
2537 includedir=$incdir
2538
2539 Name: $name
2540 Description: $comment
2541 Version: $version
2542 Requires: $(disabled shared && echo $requires)
2543 Requires.private: $(enabled shared && echo $requires)
2544 Conflicts:
2545 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2546 Libs.private: $(enabled shared && echo $libs)
2547 Cflags: -I\${includedir}
2548 EOF
2549 cat <<EOF > $name/$name-uninstalled.pc
2550 prefix=
2551 exec_prefix=
2552 libdir=\${pcfiledir}
2553 includedir=${source_path}
2554
2555 Name: $name
2556 Description: $comment
2557 Version: $version
2558 Requires: $requires
2559 Conflicts:
2560 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2561 Cflags: -I\${includedir}
2562 EOF
2563 }
2564
2565 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2566 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2567 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2568 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2569 enabled avfilter &&
2570 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2571 enabled postproc &&
2572 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2573 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"