Add --sysroot and --sysinclude configure options
[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-swscale enable GPLed software scaler support [no]"
85 echo " --enable-avfilter video filter support (replaces vhook) [no]"
86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
87 echo " --disable-vhook disable video hooking support"
88 echo " --enable-beosthreads use BeOS threads [no]"
89 echo " --enable-os2threads use OS/2 threads [no]"
90 echo " --enable-pthreads use pthreads [no]"
91 echo " --enable-w32threads use Win32 threads [no]"
92 echo " --enable-x11grab enable X11 grabbing [no]"
93 echo " --enable-vdpau enable VDPAU support [no]"
94 echo " --disable-network disable network support [no]"
95 echo " --disable-ipv6 disable IPv6 support [no]"
96 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
97 echo " --enable-gray enable full grayscale support (slower color)"
98 echo " --enable-fastdiv enable table-based division"
99 echo " --enable-small optimize for size instead of speed"
100 echo " --disable-aandct disable AAN DCT code"
101 echo " --disable-fft disable FFT code"
102 echo " --disable-golomb disable Golomb code"
103 echo " --disable-mdct disable MDCT code"
104 echo " --disable-rdft disable RDFT code"
105 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
106 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
107 echo " --enable-beos-netserver enable BeOS netserver"
108 echo " --disable-encoder=NAME disable encoder NAME"
109 echo " --enable-encoder=NAME enable encoder NAME"
110 echo " --disable-encoders disable all encoders"
111 echo " --disable-decoder=NAME disable decoder NAME"
112 echo " --enable-decoder=NAME enable decoder NAME"
113 echo " --disable-decoders disable all decoders"
114 echo " --disable-muxer=NAME disable muxer NAME"
115 echo " --enable-muxer=NAME enable muxer NAME"
116 echo " --disable-muxers disable all muxers"
117 echo " --disable-demuxer=NAME disable demuxer NAME"
118 echo " --enable-demuxer=NAME enable demuxer NAME"
119 echo " --disable-demuxers disable all demuxers"
120 echo " --enable-parser=NAME enable parser NAME"
121 echo " --disable-parser=NAME disable parser NAME"
122 echo " --disable-parsers disable all parsers"
123 echo " --enable-bsf=NAME enable bitstream filter NAME"
124 echo " --disable-bsf=NAME disable bitstream filter NAME"
125 echo " --disable-bsfs disable all bitstream filters"
126 echo " --enable-protocol=NAME enable protocol NAME"
127 echo " --disable-protocol=NAME disable protocol NAME"
128 echo " --disable-protocols disable all protocols"
129 echo " --disable-indevs disable input devices"
130 echo " --disable-outdevs disable output devices"
131 echo " --disable-devices disable all devices"
132 echo " --enable-filter=NAME enable filter NAME"
133 echo " --disable-filter=NAME disable filter NAME"
134 echo " --disable-filters disable all filters"
135 echo " --list-decoders show all available decoders"
136 echo " --list-encoders show all available encoders"
137 echo " --list-muxers show all available muxers"
138 echo " --list-demuxers show all available demuxers"
139 echo " --list-parsers show all available parsers"
140 echo " --list-protocols show all available protocols"
141 echo " --list-bsfs show all available bitstream filters"
142 echo " --list-indevs show all available input devices"
143 echo " --list-outdevs show all available output devices"
144 echo " --list-filters show all available filters"
145 echo
146 echo "External library support:"
147 echo " --enable-avisynth enable reading of AVISynth script files [no]"
148 echo " --enable-bzlib enable bzlib [autodetect]"
149 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
150 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
151 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
152 echo " and libraw1394 [no]"
153 echo " --enable-libdirac enable Dirac support via libdirac [no]"
154 echo " --enable-libfaac enable FAAC support via libfaac [no]"
155 echo " --enable-libfaad enable FAAD support via libfaad [no]"
156 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
157 echo " --enable-libgsm enable GSM support via libgsm [no]"
158 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
159 echo " --enable-libnut enable NUT (de)muxing via libnut,"
160 echo " native (de)muxer exists [no]"
161 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
162 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
163 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
164 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
165 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
166 echo " native implementation exists [no]"
167 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
168 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
169 echo " native MPEG-4/Xvid encoder exists [no]"
170 echo " --enable-mlib enable Sun medialib [no]"
171 echo " --enable-zlib enable zlib [autodetect]"
172 echo ""
173 echo "Advanced options (experts only):"
174 echo " --source-path=PATH path to source code [$source_path]"
175 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
176 echo " --enable-cross-compile assume a cross-compiler is used"
177 echo " --sysroot=PATH root of cross-build tree"
178 echo " --sysinclude=PATH location of cross-build system headers"
179 echo " --target-os=OS compiler targets OS [$target_os]"
180 echo " --target-exec=CMD command to run executables on target"
181 echo " --target-path=DIR path to view of build directory on target"
182 echo " --nm=NM use nm tool"
183 echo " --cc=CC use C compiler CC [$cc_default]"
184 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
185 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
186 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
187 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
188 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
189 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
190 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
191 echo " --extra-version=STRING version string suffix []"
192 echo " --build-suffix=SUFFIX library name suffix []"
193 echo " --arch=ARCH select architecture [$arch]"
194 echo " --cpu=CPU select the minimum required CPU (affects"
195 echo " instruction selection, may crash on older CPUs)"
196 echo " --enable-powerpc-perf enable performance report on PPC"
197 echo " (requires enabling PMC)"
198 echo " --disable-altivec disable AltiVec optimizations"
199 echo " --disable-amd3dnow disable 3DNow! optimizations"
200 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
201 echo " --disable-mmx disable MMX optimizations"
202 echo " --disable-mmx2 disable MMX2 optimizations"
203 echo " --disable-sse disable SSE optimizations"
204 echo " --disable-ssse3 disable SSSE3 optimizations"
205 echo " --disable-armv5te disable armv5te optimizations"
206 echo " --disable-armv6 disable armv6 optimizations"
207 echo " --disable-armv6t2 disable armv6t2 optimizations"
208 echo " --disable-armvfp disable ARM VFP optimizations"
209 echo " --disable-iwmmxt disable iwmmxt optimizations"
210 echo " --disable-mmi disable MMI optimizations"
211 echo " --disable-neon disable neon optimizations"
212 echo " --disable-vis disable VIS optimizations"
213 echo " --disable-yasm disable use of yasm assembler"
214 echo
215 echo "Developer options (useful when working on FFmpeg itself):"
216 echo " --disable-debug disable debugging symbols"
217 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
218 echo " --enable-gprof enable profiling with gprof [$gprof]"
219 echo " --disable-optimizations disable compiler optimizations"
220 echo " --enable-extra-warnings enable more compiler warnings"
221 echo " --disable-stripping disable stripping of executables and shared libraries"
222 echo ""
223 echo "NOTE: Object files are built at the place where configure is launched."
224 exit 0
225 }
226
227 log(){
228 echo "$@" >> $logfile
229 }
230
231 log_file(){
232 log BEGIN $1
233 pr -n -t $1 >> $logfile
234 log END $1
235 }
236
237 echolog(){
238 log "$@"
239 echo "$@"
240 }
241
242 die(){
243 echolog "$@"
244 cat <<EOF
245 If you think configure made a mistake, make sure you are using the latest
246 version from SVN. If the latest version fails, report the problem to the
247 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
248 EOF
249 if disabled logging; then
250 cat <<EOF
251 Rerun configure with logging enabled (do not use --disable-logging), and
252 include the log this produces with your report.
253 EOF
254 else
255 cat <<EOF
256 Include the log file "$logfile" produced by configure as this will help
257 solving the problem.
258 EOF
259 fi
260 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
261 exit 1
262 }
263
264 # Avoid locale weirdness, besides we really just want to translate ASCII.
265 toupper(){
266 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
267 }
268
269 tolower(){
270 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
271 }
272
273 c_escape(){
274 echo "$*" | sed 's/["\\]/\\\0/g'
275 }
276
277 set_all(){
278 value=$1
279 shift
280 for var in $*; do
281 eval $var=$value
282 done
283 }
284
285 set_weak(){
286 value=$1
287 shift
288 for var; do
289 eval : \${$var:=$value}
290 done
291 }
292
293 pushvar(){
294 for var in $*; do
295 eval level=\${${var}_level:=0}
296 eval ${var}_${level}="\$$var"
297 eval ${var}_level=$(($level+1))
298 done
299 }
300
301 popvar(){
302 for var in $*; do
303 eval level=\${${var}_level:-0}
304 test $level = 0 && continue
305 eval level=$(($level-1))
306 eval $var="\${${var}_${level}}"
307 eval ${var}_level=$level
308 eval unset ${var}_${level}
309 done
310 }
311
312 enable(){
313 set_all yes $*
314 }
315
316 disable(){
317 set_all no $*
318 }
319
320 enable_weak(){
321 set_weak yes $*
322 }
323
324 disable_weak(){
325 set_weak no $*
326 }
327
328 do_enable_deep(){
329 for var; do
330 enabled $var && continue
331 eval sel="\$${var}_select"
332 eval sgs="\$${var}_suggest"
333 pushvar var sgs
334 enable_deep $sel
335 popvar sgs
336 enable_deep_weak $sgs
337 popvar var
338 done
339 }
340
341 enable_deep(){
342 do_enable_deep $*
343 enable $*
344 }
345
346 enable_deep_weak(){
347 do_enable_deep $*
348 enable_weak $*
349 }
350
351 enabled(){
352 test "${1#!}" = "$1" && op== || op=!=
353 eval test "x\$${1#!}" $op "xyes"
354 }
355
356 disabled(){
357 test "${1#!}" = "$1" && op== || op=!=
358 eval test "x\$${1#!}" $op "xno"
359 }
360
361 enabled_all(){
362 for opt; do
363 enabled $opt || return 1
364 done
365 }
366
367 disabled_all(){
368 for opt; do
369 disabled $opt || return 1
370 done
371 }
372
373 enabled_any(){
374 for opt; do
375 enabled $opt && return 0
376 done
377 }
378
379 disabled_any(){
380 for opt; do
381 disabled $opt && return 0
382 done
383 return 1
384 }
385
386 set_default(){
387 for opt; do
388 eval : \${$opt:=\$${opt}_default}
389 done
390 }
391
392 is_in(){
393 value=$1
394 shift
395 for var in $*; do
396 [ $var = $value ] && return 0
397 done
398 return 1
399 }
400
401 check_deps(){
402 for cfg; do
403 cfg="${cfg#!}"
404 enabled ${cfg}_checking && die "Circular dependency for $cfg."
405 disabled ${cfg}_checking && continue
406 enable ${cfg}_checking
407
408 eval dep_all="\$${cfg}_deps"
409 eval dep_any="\$${cfg}_deps_any"
410 eval dep_sel="\$${cfg}_select"
411 eval dep_sgs="\$${cfg}_suggest"
412
413 pushvar cfg dep_all dep_any dep_sel dep_sgs
414 check_deps $dep_all $dep_any $dep_sel $dep_sgs
415 popvar cfg dep_all dep_any dep_sel dep_sgs
416
417 enabled_all $dep_all || disable $cfg
418 enabled_any $dep_any || disable $cfg
419 disabled_any $dep_sel && disable $cfg
420
421 if enabled $cfg; then
422 eval dep_extralibs="\$${cfg}_extralibs"
423 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
424 enable_deep $dep_sel
425 enable_deep_weak $dep_sgs
426 fi
427
428 disable ${cfg}_checking
429 done
430 }
431
432 print_config(){
433 pfx=$1
434 header=$2
435 makefile=$3
436 shift 3
437 for cfg; do
438 ucname="`toupper $cfg`"
439 if enabled $cfg; then
440 echo "#define ${pfx}${ucname} 1" >> $header
441 echo "${pfx}${ucname}=yes" >> $makefile
442 else
443 echo "#define ${pfx}${ucname} 0" >> $header
444 fi
445 done
446 }
447
448 flags_saved(){
449 (: ${SAVE_CFLAGS?}) 2> /dev/null
450 }
451
452 save_flags(){
453 flags_saved && return
454 SAVE_CFLAGS="$CFLAGS"
455 SAVE_LDFLAGS="$LDFLAGS"
456 SAVE_extralibs="$extralibs"
457 }
458
459 restore_flags(){
460 flags_saved || return
461 CFLAGS="$SAVE_CFLAGS"
462 LDFLAGS="$SAVE_LDFLAGS"
463 extralibs="$SAVE_extralibs"
464 unset SAVE_CFLAGS
465 unset SAVE_LDFLAGS
466 unset SAVE_extralibs
467 }
468
469 temp_cflags(){
470 save_flags
471 CFLAGS="$CFLAGS $*"
472 }
473
474 temp_ldflags(){
475 save_flags
476 LDFLAGS="$LDFLAGS $*"
477 }
478
479 temp_extralibs(){
480 save_flags
481 extralibs="$extralibs $*"
482 }
483
484 append(){
485 var=$1
486 shift
487 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
488 eval "$var=\"\$$var $*\""
489 }
490
491 add_cflags(){
492 append CFLAGS "$@"
493 }
494
495 add_ldflags(){
496 append LDFLAGS "$@"
497 }
498
499 add_extralibs(){
500 append extralibs "$@"
501 }
502
503 check_cmd(){
504 log "$@"
505 "$@" >> $logfile 2>&1
506 }
507
508 check_cc(){
509 log check_cc "$@"
510 cat > $TMPC
511 log_file $TMPC
512 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
513 }
514
515 check_cpp(){
516 log check_cpp "$@"
517 cat > $TMPC
518 log_file $TMPC
519 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
520 }
521
522 check_asm(){
523 log check_asm "$@"
524 name="$1"
525 asm="$2"
526 shift 2
527 check_cc "$@" <<EOF && enable $name || disable $name
528 void foo(void){ __asm__ volatile($asm); }
529 EOF
530 }
531
532 check_yasm(){
533 log check_yasm "$@"
534 echo "$1" > $TMPS
535 log_file $TMPS
536 shift 1
537 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
538 }
539
540 check_ld(){
541 log check_ld "$@"
542 check_cc || return
543 flags=''
544 libs=''
545 for f; do
546 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
547 done
548 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
549 }
550
551 check_cflags(){
552 log check_cflags "$@"
553 check_cc "$@" <<EOF && add_cflags "$@"
554 int x;
555 EOF
556 }
557
558 check_ldflags(){
559 log check_ldflags "$@"
560 check_ld "$@" <<EOF && add_ldflags "$@"
561 int main(void){ return 0; }
562 EOF
563 }
564
565 check_header(){
566 log check_header "$@"
567 header=$1
568 shift
569 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
570 disable $var
571 check_cpp "$@" <<EOF && enable $var
572 #include <$header>
573 int x;
574 EOF
575 }
576
577 check_func(){
578 log check_func "$@"
579 func=$1
580 shift
581 disable $func
582 check_ld "$@" <<EOF && enable $func
583 extern int $func();
584 int main(void){ $func(); }
585 EOF
586 }
587
588 check_func_headers(){
589 log check_func_headers "$@"
590 headers=$1
591 func=$2
592 shift 2
593 disable $func
594 incs=""
595 for hdr in $headers; do
596 incs="$incs
597 #include <$hdr>"
598 done
599 check_ld "$@" <<EOF && enable $func
600 $incs
601 int main(int argc, char **argv){
602 (void) $func;
603 return 0;
604 }
605 EOF
606 }
607
608 check_cpp_condition(){
609 log check_cpp_condition "$@"
610 header=$1
611 condition=$2
612 check_cpp <<EOF
613 #include <$header>
614 #if !($condition)
615 #error "unsatisfied condition: $condition"
616 #endif
617 EOF
618 }
619
620 check_lib(){
621 log check_lib "$@"
622 header="$1"
623 func="$2"
624 shift 2
625 temp_extralibs "$@"
626 check_header $header && check_func $func && add_extralibs "$@"
627 err=$?
628 restore_flags
629 return $err
630 }
631
632 check_lib2(){
633 log check_lib2 "$@"
634 headers="$1"
635 func="$2"
636 shift 2
637 temp_extralibs "$@"
638 check_func_headers "$headers" $func && add_extralibs "$@"
639 err=$?
640 restore_flags
641 return $err
642 }
643
644 check_exec(){
645 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
646 }
647
648 check_exec_crash(){
649 code=`cat`
650
651 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
652 # are safe but may not be available everywhere. Thus we use
653 # raise(SIGTERM) instead. The check is run in a subshell so we
654 # can redirect the "Terminated" message from the shell. SIGBUS
655 # is not defined by standard C so it is used conditionally.
656
657 (check_exec "$@") >> $logfile 2>&1 <<EOF
658 #include <signal.h>
659 static void sighandler(int sig){
660 raise(SIGTERM);
661 }
662 int main(void){
663 signal(SIGILL, sighandler);
664 signal(SIGFPE, sighandler);
665 signal(SIGSEGV, sighandler);
666 #ifdef SIGBUS
667 signal(SIGBUS, sighandler);
668 #endif
669 { $code }
670 }
671 EOF
672 }
673
674 check_type(){
675 log check_type "$@"
676 headers=$1
677 type=$2
678 shift 2
679 disable $type
680 incs=""
681 for hdr in $headers; do
682 incs="$incs
683 #include <$hdr>"
684 done
685 check_cc "$@" <<EOF && enable $type
686 $incs
687 $type v;
688 EOF
689 }
690
691 require(){
692 name="$1"
693 header="$2"
694 func="$3"
695 shift 3
696 check_lib $header $func "$@" || die "ERROR: $name not found"
697 }
698
699 require2(){
700 name="$1"
701 headers="$2"
702 func="$3"
703 shift 3
704 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
705 }
706
707 check_foo_config(){
708 cfg=$1
709 pkg=$2
710 header=$3
711 func=$4
712 shift 4
713 disable $cfg
714 check_cmd ${pkg}-config --version
715 err=$?
716 if test "$err" = 0; then
717 temp_cflags `${pkg}-config --cflags`
718 temp_extralibs `${pkg}-config --libs`
719 check_lib "$@" $header $func && enable $cfg
720 fi
721 return $err
722 }
723
724 apply(){
725 file=$1
726 shift
727 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
728 }
729
730 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
731 # system-dependent things.
732
733 COMPONENT_LIST="
734 bsfs
735 decoders
736 demuxers
737 encoders
738 filters
739 indevs
740 muxers
741 outdevs
742 parsers
743 protocols
744 "
745
746 CONFIG_LIST="
747 $COMPONENT_LIST
748 aandct
749 avfilter
750 avfilter_lavf
751 avisynth
752 beos_netserver
753 bzlib
754 fastdiv
755 ffmpeg
756 ffplay
757 ffserver
758 fft
759 golomb
760 gpl
761 gprof
762 gray
763 hardcoded_tables
764 ipv6
765 libamr_nb
766 libamr_wb
767 libdc1394
768 libdirac
769 libfaac
770 libfaad
771 libfaadbin
772 libgsm
773 libmp3lame
774 libnut
775 libopenjpeg
776 libschroedinger
777 libspeex
778 libtheora
779 libvorbis
780 libx264
781 libxvid
782 mdct
783 memalign_hack
784 mlib
785 mpegaudio_hp
786 network
787 nonfree
788 postproc
789 powerpc_perf
790 rdft
791 shared
792 small
793 static
794 swscale
795 vdpau
796 vhook
797 x11grab
798 zlib
799 "
800
801 THREADS_LIST='
802 beosthreads
803 os2threads
804 pthreads
805 w32threads
806 '
807
808 ARCH_LIST='
809 alpha
810 arm
811 bfin
812 ia64
813 m68k
814 mips
815 parisc
816 ppc
817 s390
818 sh4
819 sparc
820 sparc64
821 x86
822 x86_32
823 x86_64
824 '
825
826 ARCH_EXT_LIST='
827 altivec
828 amd3dnow
829 amd3dnowext
830 armv5te
831 armv6
832 armv6t2
833 armvfp
834 iwmmxt
835 mmi
836 mmx
837 mmx2
838 neon
839 ppc4xx
840 sse
841 ssse3
842 vis
843 '
844
845 HAVE_LIST="
846 $ARCH_EXT_LIST
847 $THREADS_LIST
848 alsa_asoundlib_h
849 altivec_h
850 arpa_inet_h
851 bswap
852 closesocket
853 cmov
854 conio_h
855 dcbzl
856 dev_bktr_ioctl_bt848_h
857 dev_bktr_ioctl_meteor_h
858 dev_ic_bt8xx_h
859 dev_video_meteor_ioctl_meteor_h
860 dev_video_bktr_ioctl_bt848_h
861 dlfcn_h
862 dlopen
863 dos_paths
864 ebp_available
865 ebx_available
866 fast_64bit
867 fast_cmov
868 fast_unaligned
869 fork
870 freetype2
871 gethrtime
872 GetProcessTimes
873 getrusage
874 imlib2
875 inet_aton
876 inline_asm
877 libdc1394_1
878 libdc1394_2
879 llrint
880 lrint
881 lrintf
882 machine_ioctl_bt848_h
883 machine_ioctl_meteor_h
884 malloc_h
885 memalign
886 mkstemp
887 pld
888 posix_memalign
889 ppc64
890 round
891 roundf
892 sdl
893 sdl_video_size
894 setmode
895 socklen_t
896 soundcard_h
897 poll_h
898 sys_mman_h
899 sys_resource_h
900 sys_select_h
901 sys_soundcard_h
902 sys_videoio_h
903 ten_operands
904 termios_h
905 threads
906 truncf
907 winsock2_h
908 yasm
909 "
910
911 # options emitted with CONFIG_ prefix but not available on command line
912 CONFIG_EXTRA="
913 oldscaler
914 "
915
916 CMDLINE_SELECT="
917 $ARCH_EXT_LIST
918 $CONFIG_LIST
919 $THREADS_LIST
920 cross_compile
921 debug
922 extra_warnings
923 logging
924 optimizations
925 stripping
926 yasm
927 "
928
929 PATHS_LIST='
930 bindir
931 datadir
932 incdir
933 libdir
934 mandir
935 prefix
936 shlibdir
937 '
938
939 CMDLINE_SET="
940 $PATHS_LIST
941 arch
942 build_suffix
943 cc
944 cpu
945 cross_prefix
946 extra_version
947 host_cc
948 host_cflags
949 host_ldflags
950 host_libs
951 logfile
952 nm
953 source_path
954 sysinclude
955 sysroot
956 target_exec
957 target_os
958 target_path
959 "
960
961 # code dependency declarations
962
963 # architecture extensions
964 altivec_deps="ppc"
965 amd3dnow_deps="mmx"
966 amd3dnowext_deps="amd3dnow"
967 armv5te_deps="arm"
968 armv6_deps="arm"
969 armv6t2_deps="arm"
970 armvfp_deps="arm"
971 iwmmxt_deps="arm"
972 mmi_deps="mips"
973 mmx_deps="x86"
974 mmx2_deps="mmx"
975 neon_deps="arm"
976 ppc4xx_deps="ppc"
977 sse_deps="mmx"
978 ssse3_deps="sse"
979 vis_deps="sparc"
980
981 # common features
982 oldscaler_deps="!swscale"
983
984 # decoders / encoders
985 aac_decoder_select="fft mdct"
986 ac3_decoder_deps="gpl"
987 ac3_decoder_select="fft mdct"
988 atrac3_decoder_select="fft mdct"
989 cavs_decoder_select="golomb"
990 cook_decoder_select="fft mdct"
991 cscd_decoder_suggest="zlib"
992 dca_decoder_select="fft mdct"
993 dnxhd_encoder_select="aandct"
994 dxa_decoder_select="zlib"
995 eac3_decoder_deps="gpl"
996 eac3_decoder_select="fft mdct"
997 eatgq_decoder_select="aandct"
998 eatqi_decoder_select="aandct"
999 ffv1_decoder_select="golomb"
1000 flac_decoder_select="golomb"
1001 flac_encoder_select="golomb"
1002 flashsv_decoder_select="zlib"
1003 flashsv_encoder_select="zlib"
1004 flv_encoder_select="aandct"
1005 h261_encoder_select="aandct"
1006 h263_encoder_select="aandct"
1007 h263p_encoder_select="aandct"
1008 h264_decoder_select="golomb"
1009 h264_vdpau_decoder_deps="vdpau"
1010 imc_decoder_select="fft mdct"
1011 jpegls_decoder_select="golomb"
1012 jpegls_encoder_select="golomb"
1013 ljpeg_encoder_select="aandct"
1014 loco_decoder_select="golomb"
1015 mjpeg_encoder_select="aandct"
1016 mpeg1video_encoder_select="aandct"
1017 mpeg2video_encoder_select="aandct"
1018 mpeg4_encoder_select="aandct"
1019 mpeg_vdpau_decoder_deps="vdpau"
1020 mpeg1_vdpau_decoder_deps="vdpau"
1021 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1022 msmpeg4v1_encoder_select="aandct"
1023 msmpeg4v2_encoder_select="aandct"
1024 msmpeg4v3_encoder_select="aandct"
1025 nellymoser_decoder_select="fft mdct"
1026 nellymoser_encoder_select="fft mdct"
1027 png_decoder_select="zlib"
1028 png_encoder_select="zlib"
1029 qdm2_decoder_select="fft mdct rdft"
1030 rv10_encoder_select="aandct"
1031 rv20_encoder_select="aandct"
1032 rv30_decoder_select="golomb"
1033 rv40_decoder_select="golomb"
1034 shorten_decoder_select="golomb"
1035 sonic_decoder_select="golomb"
1036 sonic_encoder_select="golomb"
1037 sonic_ls_encoder_select="golomb"
1038 svq3_decoder_select="golomb"
1039 svq3_decoder_suggest="zlib"
1040 tiff_decoder_suggest="zlib"
1041 tiff_encoder_suggest="zlib"
1042 tscc_decoder_select="zlib"
1043 vc1_vdpau_decoder_deps="vdpau"
1044 vorbis_decoder_select="fft mdct"
1045 vorbis_encoder_select="fft mdct"
1046 wmav1_decoder_select="fft mdct"
1047 wmav1_encoder_select="fft mdct"
1048 wmav2_decoder_select="fft mdct"
1049 wmav2_encoder_select="fft mdct"
1050 wmv1_encoder_select="aandct"
1051 wmv2_encoder_select="aandct"
1052 wmv3_vdpau_decoder_deps="vdpau"
1053 zlib_decoder_select="zlib"
1054 zlib_encoder_select="zlib"
1055 zmbv_decoder_select="zlib"
1056 zmbv_encoder_select="zlib"
1057
1058 # external libraries
1059 libamr_nb_decoder_deps="libamr_nb"
1060 libamr_nb_encoder_deps="libamr_nb"
1061 libamr_wb_decoder_deps="libamr_wb"
1062 libamr_wb_encoder_deps="libamr_wb"
1063 libdirac_decoder_deps="libdirac !libschroedinger"
1064 libdirac_encoder_deps="libdirac"
1065 libfaac_encoder_deps="libfaac"
1066 libfaad_decoder_deps="libfaad"
1067 libfaadbin_decoder_extralibs='$ldl'
1068 libgsm_decoder_deps="libgsm"
1069 libgsm_encoder_deps="libgsm"
1070 libgsm_ms_decoder_deps="libgsm"
1071 libgsm_ms_encoder_deps="libgsm"
1072 libmp3lame_encoder_deps="libmp3lame"
1073 libopenjpeg_decoder_deps="libopenjpeg"
1074 libschroedinger_decoder_deps="libschroedinger"
1075 libschroedinger_encoder_deps="libschroedinger"
1076 libspeex_decoder_deps="libspeex"
1077 libtheora_encoder_deps="libtheora"
1078 libvorbis_encoder_deps="libvorbis"
1079 libx264_encoder_deps="libx264"
1080 libxvid_encoder_deps="libxvid"
1081 mpeg4aac_decoder_deps="libfaad"
1082 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1083
1084 # demuxers / muxers
1085 ac3_demuxer_deps="ac3_parser"
1086 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1087 alsa_demuxer_extralibs="-lasound"
1088 alsa_muxer_deps="alsa_asoundlib_h"
1089 alsa_muxer_extralibs="-lasound"
1090 audio_beos_demuxer_deps="audio_beos"
1091 audio_beos_demuxer_extralibs="-lmedia -lbe"
1092 audio_beos_muxer_deps="audio_beos"
1093 audio_beos_muxer_extralibs="-lmedia -lbe"
1094 avisynth_demuxer_deps="avisynth"
1095 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1096 dirac_demuxer_deps="dirac_parser"
1097 dv1394_demuxer_deps="dv1394 dv_demuxer"
1098 libdc1394_demuxer_deps="libdc1394"
1099 libnut_demuxer_deps="libnut"
1100 libnut_muxer_deps="libnut"
1101 matroska_demuxer_suggest="zlib bzlib"
1102 mov_demuxer_suggest="zlib"
1103 mp3_demuxer_deps="mpegaudio_parser"
1104 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1105 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1106 redir_demuxer_deps="network"
1107 rtp_muxer_deps="network rtp_protocol"
1108 rtsp_demuxer_deps="sdp_demuxer"
1109 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1110 v4l_demuxer_deps="linux_videodev_h"
1111 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1112 vfwcap_demuxer_deps="capCreateCaptureWindow"
1113 vfwcap_demuxer_extralibs="-lvfw32"
1114 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1115 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1116
1117 # protocols
1118 gopher_protocol_deps="network"
1119 http_protocol_deps="network"
1120 rtp_protocol_deps="udp_protocol"
1121 tcp_protocol_deps="network"
1122 udp_protocol_deps="network"
1123
1124 # filters
1125 movie_filter_deps="avfilter_lavf"
1126
1127 # programs
1128 ffplay_deps="sdl"
1129 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1130 ffserver_extralibs='$ldl'
1131 vhook_extralibs='$ldl'
1132
1133
1134 # default parameters
1135
1136 logfile="config.err"
1137
1138 # installation paths
1139 prefix_default="/usr/local"
1140 bindir_default='${prefix}/bin'
1141 datadir_default='${prefix}/share/ffmpeg'
1142 incdir_default='${prefix}/include'
1143 libdir_default='${prefix}/lib'
1144 mandir_default='${prefix}/share/man'
1145 shlibdir_default="$libdir_default"
1146
1147 # toolchain
1148 ar="ar"
1149 cc_default="gcc"
1150 host_cc_default="gcc"
1151 ln_s="ln -sf"
1152 nm_default="nm"
1153 objformat="elf"
1154 ranlib="ranlib"
1155 strip="strip"
1156 yasmexe="yasm"
1157
1158 # machine
1159 arch=`uname -m`
1160 cpu="generic"
1161
1162 # OS
1163 target_os=$(tolower $(uname -s))
1164
1165 # configurable options
1166 enable debug
1167 enable ffmpeg
1168 enable ffplay
1169 enable ffserver
1170 enable ipv6
1171 enable mpegaudio_hp
1172 enable network
1173 enable oldscaler
1174 enable optimizations
1175 enable protocols
1176 enable static
1177 enable stripping
1178 vhook="default"
1179
1180 # build settings
1181 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1182 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1183 VHOOKSHFLAGS='$(SHFLAGS)'
1184 FFSERVERLDFLAGS=-Wl,-E
1185 LIBPREF="lib"
1186 LIBSUF=".a"
1187 FULLNAME='$(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 "$source_path" | grep -q '[[:blank:]]' &&
1214 die "Out of tree builds are impossible with whitespace in source path."
1215 fi
1216
1217 FFMPEG_CONFIGURATION="$@"
1218
1219 find_things(){
1220 thing=$1
1221 pattern=$2
1222 file=$source_path/$3
1223 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1224 }
1225
1226 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1227 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1228 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1229 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1230 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1231 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1232 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1233 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1234 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1235 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1236
1237 enable $ARCH_EXT_LIST \
1238 $DECODER_LIST \
1239 $ENCODER_LIST \
1240 $PARSER_LIST \
1241 $BSF_LIST \
1242 $DEMUXER_LIST \
1243 $MUXER_LIST \
1244 $FILTER_LIST \
1245 $PROTOCOL_LIST \
1246 $INDEV_LIST \
1247 $OUTDEV_LIST \
1248
1249 die_unknown(){
1250 echo "Unknown option \"$1\"."
1251 echo "See $0 --help for available options."
1252 exit 1
1253 }
1254
1255 show_list() {
1256 suffix=_$1
1257 shift
1258 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1259 exit 0
1260 }
1261
1262 for opt do
1263 optval="${opt#*=}"
1264 case "$opt" in
1265 --extra-cflags=*) add_cflags $optval
1266 ;;
1267 --extra-ldflags=*) add_ldflags $optval
1268 ;;
1269 --extra-libs=*) add_extralibs $optval
1270 ;;
1271 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1272 ;;
1273 --enable-debug=*) debuglevel="$optval"
1274 ;;
1275 --enable-*=*|--disable-*=*)
1276 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1277 case "$thing" in
1278 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1279 *) die_unknown "$opt" ;;
1280 esac
1281 ;;
1282 --enable-?*|--disable-?*)
1283 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1284 if is_in $option $COMPONENT_LIST; then
1285 eval $action \$$(toupper ${option%s})_LIST
1286 elif is_in $option $CMDLINE_SELECT; then
1287 $action $option
1288 else
1289 die_unknown $opt
1290 fi
1291 ;;
1292 --list-*)
1293 NAME="${opt#--list-}"
1294 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1295 NAME=${NAME%s}
1296 eval show_list $NAME \$$(toupper $NAME)_LIST
1297 ;;
1298 --help|-h) show_help
1299 ;;
1300 *)
1301 optname="${opt%%=*}"
1302 optname="${optname#--}"
1303 optname=$(echo "$optname" | sed 's/-/_/g')
1304 is_in $optname $CMDLINE_SET || die_unknown $opt
1305 eval $optname='$optval'
1306 ;;
1307 esac
1308 done
1309
1310 disabled logging && logfile=/dev/null
1311
1312 echo "# $0 $@" > $logfile
1313 set >> $logfile
1314
1315 test -n "$cross_prefix" && enable cross_compile
1316
1317 ar="${cross_prefix}${ar}"
1318 cc_default="${cross_prefix}${cc_default}"
1319 nm_default="${cross_prefix}${nm_default}"
1320 ranlib="${cross_prefix}${ranlib}"
1321 strip="${cross_prefix}${strip}"
1322
1323 sysinclude_default="${sysroot}/usr/include"
1324
1325 set_default cc nm sysinclude
1326 enabled cross_compile || host_cc_default=$cc
1327 set_default host_cc
1328
1329 case $target_os in
1330 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1331 esac
1332
1333 # set temporary file name
1334 : ${TMPDIR:=$TEMPDIR}
1335 : ${TMPDIR:=$TMP}
1336 : ${TMPDIR:=/tmp}
1337
1338 TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1339 TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1340 TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1341 TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1342 TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1343 TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1344
1345 # make sure we can execute files in $TMPDIR
1346 cat > $TMPSH 2>> $logfile <<EOF
1347 #! /bin/sh
1348 EOF
1349 chmod +x $TMPSH >> $logfile 2>&1
1350 if ! $TMPSH >> $logfile 2>&1; then
1351 cat <<EOF
1352 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1353 variable to another directory and make sure that it is not mounted noexec.
1354 EOF
1355 die "Sanity test failed."
1356 fi
1357 rm $TMPSH
1358
1359 if $cc --version 2>/dev/null | grep -q '(GCC)'; then
1360 cc_type=gcc
1361 elif $cc --version 2>/dev/null | grep -q Intel; then
1362 cc_type=icc
1363 elif $cc -v 2>&1 | grep -q xlc; then
1364 cc_type=xlc
1365 fi
1366
1367 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1368
1369 # compiler sanity check
1370 check_exec <<EOF
1371 int main(void){ return 0; }
1372 EOF
1373 if test "$?" != 0; then
1374 echo "$cc is unable to create an executable file."
1375 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1376 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1377 echo "Only do this if you know what cross compiling means."
1378 fi
1379 die "C compiler test failed."
1380 fi
1381
1382 check_cflags -std=c99
1383
1384 case "$arch" in
1385 alpha)
1386 arch="alpha"
1387 enable fast_64bit
1388 check_cflags -mieee
1389 ;;
1390 arm|armv[4567]*l)
1391 arch="arm"
1392 ;;
1393 avr32)
1394 ;;
1395 bfin)
1396 arch="bfin"
1397 ;;
1398 ia64)
1399 arch="ia64"
1400 enable fast_64bit
1401 ;;
1402 m68k)
1403 arch="m68k"
1404 ;;
1405 mips|mipsel|IP*)
1406 arch="mips"
1407 ;;
1408 mips64)
1409 arch="mips"
1410 enable fast_64bit
1411 ;;
1412 parisc|hppa)
1413 arch="parisc"
1414 ;;
1415 parisc64|hppa64)
1416 arch="parisc"
1417 enable fast_64bit
1418 ;;
1419 "Power Macintosh"|ppc|powerpc)
1420 arch="ppc"
1421 enable fast_unaligned
1422 ;;
1423 ppc64)
1424 arch="ppc"
1425 enable fast_64bit
1426 enable fast_unaligned
1427 ;;
1428 s390|s390x)
1429 arch="s390"
1430 ;;
1431 sh4|sh)
1432 arch="sh4"
1433 ;;
1434 sparc)
1435 arch="sparc"
1436 ;;
1437 sun4u|sparc64)
1438 arch="sparc"
1439 subarch="sparc64"
1440 enable fast_64bit
1441 ;;
1442 i386|i486|i586|i686|i86pc|BePC)
1443 arch="x86"
1444 subarch="x86_32"
1445 enable fast_unaligned
1446 ;;
1447 x86_64|amd64)
1448 arch="x86"
1449 subarch="x86_32"
1450 enable cmov
1451 enable fast_cmov
1452 enable fast_unaligned
1453 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1454 int test[sizeof(char*) - 7];
1455 EOF
1456 ;;
1457 *)
1458 arch="unknown"
1459 ;;
1460 esac
1461
1462 enable $arch $subarch
1463
1464 # OS specific
1465 case $target_os in
1466 beos|haiku|zeta)
1467 prefix_default="$HOME/config"
1468 # helps building libavcodec
1469 add_cflags -DPIC -fomit-frame-pointer
1470 # 3 gcc releases known for BeOS, each with ugly bugs
1471 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1472 case "$gcc_version" in
1473 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1474 disable mmx
1475 ;;
1476 *20010315*) echo "BeBits gcc"
1477 add_cflags -fno-expensive-optimizations
1478 ;;
1479 esac
1480 SHFLAGS=-nostart
1481 # enable BeOS things
1482 enable audio_beos
1483 # no need for libm, but the inet stuff
1484 # Check for BONE
1485 # XXX: actually should check for NOT net_server
1486 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1487 network_extralibs="-lbind -lsocket"
1488 else
1489 enable beos_netserver
1490 network_extralibs="-lnet"
1491 fi ;;
1492 sunos)
1493 FFSERVERLDFLAGS=""
1494 SHFLAGS='-shared -Wl,-h,$$(@F)'
1495 network_extralibs="-lsocket -lnsl"
1496 add_cflags -D__EXTENSIONS__
1497 ;;
1498 netbsd)
1499 oss_demuxer_extralibs="-lossaudio"
1500 oss_muxer_extralibs="-lossaudio"
1501 ;;
1502 openbsd)
1503 disable need_memalign
1504 LIBOBJFLAGS='$(PIC)'
1505 SHFLAGS='-shared'
1506 oss_demuxer_extralibs="-lossaudio"
1507 oss_muxer_extralibs="-lossaudio"
1508 ;;
1509 freebsd)
1510 disable need_memalign
1511 ;;
1512 bsd/os)
1513 osextralibs="-lpoll -lgnugetopt"
1514 strip="strip -d"
1515 ;;
1516 darwin)
1517 disable need_memalign
1518 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1519 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1520 strip="strip -x"
1521 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1522 SLIBSUF=".dylib"
1523 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1524 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1525 FFSERVERLDFLAGS=-Wl,-bind_at_load
1526 objformat="macho"
1527 enabled x86_64 && objformat="macho64"
1528 ;;
1529 mingw32*)
1530 target_os=mingw32
1531 LIBTARGET=i386
1532 if enabled x86_64; then
1533 disable need_memalign
1534 LIBTARGET=x64
1535 fi
1536 shlibdir_default="$bindir_default"
1537 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1538 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1539 if enabled swscale; then
1540 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1541 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1542 fi
1543 disable ffserver
1544 SLIBPREF=""
1545 SLIBSUF=".dll"
1546 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1547 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1548 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1549 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1550 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1551 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1552 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1553 objformat="win32"
1554 enable dos_paths
1555 if ! enabled x86_64; then
1556 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1557 die "ERROR: MinGW runtime version must be >= 3.15."
1558 enabled_any avisynth vfwcap_demuxer &&
1559 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1560 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1561 fi
1562 ;;
1563 cygwin*)
1564 target_os=cygwin
1565 shlibdir_default="$bindir_default"
1566 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1567 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1568 if enabled swscale; then
1569 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1570 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1571 fi
1572 SLIBPREF="cyg"
1573 SLIBSUF=".dll"
1574 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1575 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1576 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1577 objformat="win32"
1578 enable dos_paths
1579 ;;
1580 *-dos|freedos|opendos)
1581 disable ffplay ffserver vhook
1582 disable $INDEV_LIST $OUTDEV_LIST
1583 network_extralibs="-lsocket"
1584 objformat="coff"
1585 enable dos_paths
1586 ;;
1587 linux)
1588 enable dv1394
1589 ;;
1590 irix*)
1591 target_os=irix
1592 ranlib="echo ignoring ranlib"
1593 ;;
1594 os/2*)
1595 strip="lxlite"
1596 ln_s="cp -f"
1597 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1598 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1599 FFSERVERLDFLAGS=""
1600 LIBSUF="_s.a"
1601 SLIBPREF=""
1602 SLIBSUF=".dll"
1603 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1604 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1605 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1606 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1607 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1608 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1609 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1610 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1611 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1612 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1613 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1614 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1615 disable vhook
1616 enable dos_paths
1617 ;;
1618 interix)
1619 disable vhook
1620 ;;
1621
1622 *)
1623 die "Unknown OS '$target_os'."
1624 ;;
1625 esac
1626
1627 set_default $PATHS_LIST
1628
1629 add_extralibs $osextralibs
1630
1631 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1632 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1633
1634 # we need to build at least one lib type
1635 if ! enabled_any static shared; then
1636 cat <<EOF
1637 At least one library type must be built.
1638 Specify --enable-static to build the static libraries or --enable-shared to
1639 build the shared libraries as well. To only build the shared libraries specify
1640 --disable-static in addition to --enable-shared.
1641 EOF
1642 exit 1;
1643 fi
1644
1645 disabled static && LIBNAME=""
1646
1647 if enabled_any libfaad libfaadbin ; then
1648 if check_header faad.h; then
1649 check_cc <<EOF
1650 #include <faad.h>
1651 #ifndef FAAD2_VERSION
1652 ok faad1
1653 #endif
1654 int main(void) { return 0; }
1655 EOF
1656 test $? = 0 && enable libfaad2
1657 else
1658 die "FAAD test failed."
1659 fi
1660 fi
1661
1662
1663 if ! enabled gpl; then
1664 die_gpl_disabled(){
1665 name=$1
1666 shift
1667 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1668 }
1669 die_gpl_disabled "The Postprocessing code" postproc
1670 die_gpl_disabled "libx264" libx264
1671 die_gpl_disabled "libxvidcore" libxvid
1672 die_gpl_disabled "FAAD2" libfaad2
1673 die_gpl_disabled "The X11 grabber" x11grab
1674 die_gpl_disabled "The software scaler" swscale
1675 fi
1676
1677 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1678 die "libamr is nonfree and --enable-nonfree is not specified."
1679 fi
1680
1681 check_deps $ARCH_EXT_LIST
1682
1683 test -z "$need_memalign" && need_memalign="$mmx"
1684
1685 #Darwin CC versions
1686 if test $target_os = darwin; then
1687 if enabled xlc; then
1688 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1689 else
1690 add_cflags -pipe
1691 check_cflags -force_cpusubtype_ALL
1692 check_cflags -Wno-sign-compare
1693 enabled shared || check_cflags -mdynamic-no-pic
1694 fi
1695 fi
1696
1697 disabled optimizations || check_cflags -fomit-frame-pointer
1698
1699 # Add processor-specific flags
1700 if test $cpu != "generic"; then
1701 warn_altivec(){
1702 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1703 }
1704 case $cpu in
1705 601|ppc601|PowerPC601)
1706 add_cflags -mcpu=601
1707 warn_altivec enabled PPC601
1708 ;;
1709 603*|ppc603*|PowerPC603*)
1710 add_cflags -mcpu=603
1711 warn_altivec enabled PPC603
1712 ;;
1713 604*|ppc604*|PowerPC604*)
1714 add_cflags -mcpu=604
1715 warn_altivec enabled PPC604
1716 ;;
1717 G3|g3|75*|ppc75*|PowerPC75*)
1718 add_cflags -mcpu=750 -mpowerpc-gfxopt
1719 warn_altivec enabled PPC75x
1720 ;;
1721 G4|g4|745*|ppc745*|PowerPC745*)
1722 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1723 warn_altivec disabled PPC745x
1724 ;;
1725 74*|ppc74*|PowerPC74*)
1726 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1727 warn_altivec disabled PPC74xx
1728 ;;
1729 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1730 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1731 warn_altivec disabled PPC970
1732 enable ppc64
1733 ;;
1734 Cell|CELL|cell)
1735 add_cflags -mcpu=cell
1736 warn_altivec disabled Cell
1737 enable ppc64
1738 ;;
1739 # targets that do NOT support conditional mov (cmov)
1740 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1741 add_cflags -march=$cpu
1742 disable cmov
1743 ;;
1744 # targets that do support conditional mov (cmov)
1745 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1746 add_cflags -march=$cpu
1747 enable cmov
1748 enable fast_cmov
1749 ;;
1750 # targets that do support conditional mov but on which it's slow
1751 pentium4|pentium4m|prescott|nocona)
1752 add_cflags -march=$cpu
1753 enable cmov
1754 disable fast_cmov
1755 ;;
1756 sparc64)
1757 add_cflags -mcpu=v9
1758 ;;
1759 arm11*|cortex*)
1760 add_cflags -mcpu=$cpu
1761 enable fast_unaligned
1762 ;;
1763 armv*)
1764 add_cflags -march=$cpu
1765 ;;
1766 arm*)
1767 add_cflags -mcpu=$cpu
1768 ;;
1769 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1770 add_cflags -mcpu=$cpu
1771 ;;
1772 *)
1773 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1774 ;;
1775 esac
1776 fi
1777
1778 check_cc <<EOF || die "Symbol mangling check failed."
1779 int ff_extern;
1780 EOF
1781 sym=$($nm -P -g $TMPO | grep ff_extern)
1782 extern_prefix=${sym%%ff_extern*}
1783
1784 check_asm inline_asm '""'
1785
1786 if enabled x86; then
1787 # check whether EBP is available on x86
1788 # As 'i' is stored on the stack, this program will crash
1789 # if the base pointer is used to access it because the
1790 # base pointer is cleared in the inline assembly code.
1791 check_exec_crash <<EOF && enable ebp_available
1792 volatile int i=0;
1793 __asm__ volatile (
1794 "xorl %%ebp, %%ebp"
1795 ::: "%ebp");
1796 return i;
1797 EOF
1798
1799 # check wether EBX is available on x86
1800 check_asm ebx_available '"":::"%ebx"'
1801
1802 # check whether more than 10 operands are supported
1803 check_cc <<EOF && enable ten_operands
1804 int main(void) {
1805 int x=0;
1806 __asm__ volatile(
1807 ""
1808 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1809 );
1810 return 0;
1811 }
1812 EOF
1813
1814 # check whether binutils is new enough to compile SSSE3/MMX2
1815 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1816 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
1817
1818 check_asm bswap '"bswap %%eax" ::: "%eax"'
1819
1820 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1821 enabled x86_64 && append YASMFLAGS "-m amd64"
1822 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1823 case "$objformat" in
1824 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1825 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1826 *) append YASMFLAGS "-DPREFIX" ;;
1827 esac
1828 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1829 fi
1830
1831 # check for assembler specific support
1832
1833 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1834 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1835
1836 # check for SIMD availability
1837
1838 # AltiVec flags: The FSF version of GCC differs from the Apple version
1839 if enabled altivec; then
1840 check_cflags -maltivec -mabi=altivec &&
1841 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1842 check_cflags -faltivec
1843
1844 # check if our compiler supports Motorola AltiVec C API
1845 check_cc <<EOF || disable altivec
1846 $inc_altivec_h
1847 int main(void) {
1848 vector signed int v1, v2, v3;
1849 v1 = vec_add(v2,v3);
1850 return 0;
1851 }
1852 EOF
1853
1854 # check if our compiler supports braces for vector declarations
1855 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1856 $inc_altivec_h
1857 int main (void) { (vector int) {1}; return 0; }
1858 EOF
1859 fi
1860
1861 # We have to check if pld is a nop and disable it.
1862 enabled arm && check_asm pld '"pld [r0]"'
1863 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1864 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1865 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1866 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1867 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1868 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1869 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1870 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1871
1872 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1873
1874 # ---
1875 # big/little-endian test
1876 check_cc <<EOF || die "endian test failed"
1877 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1878 EOF
1879 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1880
1881 # ---
1882 # check availability of some header files
1883
1884 if check_func dlopen; then
1885 ldl=
1886 elif check_func dlopen -ldl; then
1887 ldl=-ldl
1888 fi
1889
1890 check_func fork
1891 check_func gethrtime
1892 check_func getrusage
1893 check_func inet_aton $network_extralibs
1894 check_func memalign
1895 check_func mkstemp
1896 check_func posix_memalign
1897 check_func_headers io.h setmode
1898 check_func_headers windows.h GetProcessTimes
1899
1900 check_header conio.h
1901 check_header dlfcn.h
1902 check_header malloc.h
1903 check_header poll.h
1904 check_header sys/mman.h
1905 check_header sys/resource.h
1906 check_header sys/select.h
1907 check_header termios.h
1908 check_header vdpau/vdpau.h
1909 check_header vdpau/vdpau_x11.h
1910 check_header X11/extensions/XvMClib.h
1911
1912 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1913 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1914 fi
1915
1916 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1917 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1918
1919 # check for some common methods of building with pthread support
1920 # do this before the optional library checks as some of them require pthreads
1921 if enabled pthreads; then
1922 if check_func pthread_create; then
1923 :
1924 elif check_func pthread_create -pthread; then
1925 add_cflags -pthread
1926 add_extralibs -pthread
1927 elif check_func pthread_create -pthreads; then
1928 add_cflags -pthreads
1929 add_extralibs -pthreads
1930 elif check_func pthread_create -lpthreadGC2; then
1931 add_extralibs -lpthreadGC2
1932 elif ! check_lib pthread.h pthread_create -lpthread; then
1933 die "ERROR: can't find pthreads library"
1934 fi
1935 fi
1936
1937 for thread in $THREADS_LIST; do
1938 if enabled $thread; then
1939 test -n "$thread_type" &&
1940 die "ERROR: Only one thread type must be selected." ||
1941 thread_type="$thread"
1942 fi
1943 done
1944
1945 check_lib math.h sin -lm
1946
1947 # test for C99 functions in math.h
1948 for func in llrint lrint lrintf round roundf truncf; do
1949 check_exec <<EOF && enable $func || disable $func
1950 #include <math.h>
1951 int main(void) { return ($func(3.999f) > 0)?0:1; }
1952 EOF
1953 done
1954
1955 # these are off by default, so fail if requested and not available
1956 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1957 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1958 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1959 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
1960 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1961 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1962 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1963 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1964 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1965 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
1966 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1967 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
1968 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1969 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1970 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
1971 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1972 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1973 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
1974 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1975 die "ERROR: libx264 version must be >= 0.65."; }
1976 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
1977 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1978
1979 # libdc1394 check
1980 if enabled libdc1394; then
1981 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1982 enable libdc1394_2; } ||
1983 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1984 enable libdc1394_1; } ||
1985 die "ERROR: No version of libdc1394 found "
1986 fi
1987
1988
1989 _restrict=
1990 for restrict_keyword in restrict __restrict__ __restrict; do
1991 check_cc <<EOF && _restrict=$restrict_keyword && break
1992 void foo(char * $restrict_keyword p);
1993 EOF
1994 done
1995
1996 test "$vhook" = "default" && vhook="$dlopen"
1997
1998 if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1999 disable vhook
2000 echo
2001 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
2002 echo "Patches welcome."
2003 echo
2004 fi
2005
2006 if enabled vhook; then
2007 check_ldflags -rdynamic
2008 check_ldflags -export-dynamic
2009 fi
2010
2011 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
2012 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
2013
2014 ##########################################
2015 # SDL check
2016
2017 disable sdl_too_old
2018 disable sdl
2019 SDL_CONFIG="${cross_prefix}sdl-config"
2020 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2021 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2022 temp_cflags $sdl_cflags
2023 temp_extralibs `"${SDL_CONFIG}" --libs`
2024 if check_lib2 SDL.h SDL_Init; then
2025 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2026 if test "$_sdlversion" -lt 121 ; then
2027 enable sdl_too_old
2028 else
2029 enable sdl
2030 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2031 #include <SDL.h>
2032 int main(int argc, char **argv){
2033 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2034 int w = vi->current_w;
2035 return 0;
2036 }
2037 EOF
2038 fi
2039 fi
2040 restore_flags
2041 fi
2042
2043 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2044
2045 ##########################################
2046 # Network check
2047
2048 if enabled network; then
2049 check_type "sys/types.h sys/socket.h" socklen_t
2050 # Prefer arpa/inet.h over winsock2
2051 if check_header arpa/inet.h ; then
2052 check_func closesocket
2053 elif check_header winsock2.h ; then
2054 network_extralibs="-lws2_32"
2055 check_type ws2tcpip.h socklen_t
2056 check_func_headers winsock2.h closesocket
2057 fi
2058 fi
2059
2060 ##########################################
2061 # IPv6 check
2062
2063 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2064 #include <sys/types.h>
2065 #include <sys/socket.h>
2066 #include <netinet/in.h>
2067 #include <netdb.h>
2068 int main(void) {
2069 struct sockaddr_storage saddr;
2070 struct ipv6_mreq mreq6;
2071 getaddrinfo(0,0,0,0);
2072 getnameinfo(0,0,0,0,0,0,0);
2073 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2074 }
2075 EOF
2076
2077 check_header linux/videodev.h
2078 check_header linux/videodev2.h
2079 check_header sys/videoio.h
2080
2081 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2082
2083 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2084 { check_header dev/bktr/ioctl_meteor.h &&
2085 check_header dev/bktr/ioctl_bt848.h; } ||
2086 { check_header machine/ioctl_meteor.h &&
2087 check_header machine/ioctl_bt848.h; } ||
2088 { check_header dev/video/meteor/ioctl_meteor.h &&
2089 check_header dev/video/bktr/ioctl_bt848.h; } ||
2090 check_header dev/ic/bt8xx.h
2091
2092 check_header sys/soundcard.h
2093 check_header soundcard.h
2094
2095 check_header alsa/asoundlib.h &&
2096 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2097
2098 # deal with the X11 frame grabber
2099 enabled x11grab &&
2100 check_header X11/Xlib.h &&
2101 check_header X11/extensions/XShm.h &&
2102 check_func XOpenDisplay -lX11 &&
2103 check_func XShmCreateImage -lX11 -lXext
2104
2105 enabled debug && add_cflags -g"$debuglevel"
2106
2107 # add some useful compiler flags if supported
2108 check_cflags -Wdeclaration-after-statement
2109 check_cflags -Wall
2110 check_cflags -Wno-switch
2111 check_cflags -Wdisabled-optimization
2112 check_cflags -Wpointer-arith
2113 check_cflags -Wredundant-decls
2114 check_cflags -Wno-pointer-sign
2115 check_cflags -Wcast-qual
2116 check_cflags -Wwrite-strings
2117 check_cflags -Wtype-limits
2118 check_cflags -Wundef
2119 enabled extra_warnings && check_cflags -Winline
2120
2121 # add some linker flags
2122 check_ldflags -Wl,--warn-common
2123 check_ldflags -Wl,--as-needed
2124 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'
2125 check_ldflags -Wl,-Bsymbolic
2126
2127 if enabled small; then
2128 check_cflags -Os # not all compilers support -Os
2129 optimizations="small"
2130 elif enabled optimizations; then
2131 if enabled xlc; then
2132 add_cflags -O5
2133 add_ldflags -O5
2134 else
2135 add_cflags -O3
2136 fi
2137 fi
2138 check_cflags -fno-math-errno
2139 check_cflags -fno-signed-zeros
2140
2141 # add some flags for Intel C Compiler
2142 if enabled icc; then
2143 # Just warnings, no remarks
2144 check_cflags -w1
2145 # -wd: Disable following warnings
2146 # 144, 167, 556: -Wno-pointer-sign
2147 # 10006: ignoring unknown option -fno-signed-zeros
2148 # 10156: ignoring option '-W'; no argument required
2149 check_cflags -wd144,167,556,10006,10156
2150 # 11030: Warning unknown option --as-needed
2151 # 10156: ignoring option '-export'; no argument required
2152 check_ldflags -wd10156,11030
2153 # Allow to compile with optimizations
2154 check_ldflags -march=$cpu
2155 fi
2156
2157 # PIC flags for shared library objects where they are needed
2158 if enabled shared; then
2159 # LIBOBJFLAGS may have already been set in the OS configuration
2160 if test -z "$LIBOBJFLAGS" ; then
2161 case "${subarch-$arch}" in
2162 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2163 esac
2164 fi
2165 fi
2166
2167 if enabled gprof; then
2168 add_cflags -p
2169 add_ldflags -p
2170 fi
2171
2172 VHOOKCFLAGS="-fPIC"
2173
2174 # Find out if the .align argument is a power of two or not.
2175 check_asm asmalign_pot '".align 3"'
2176
2177 enabled_any $DECODER_LIST && enable decoders
2178 enabled_any $ENCODER_LIST && enable encoders
2179 enabled_any $BSF_LIST && enable bsfs
2180 enabled_any $DEMUXER_LIST && enable demuxers
2181 enabled_any $MUXER_LIST && enable muxers
2182 enabled_any $FILTER_LIST && enable filters
2183 enabled_any $INDEV_LIST && enable demuxers
2184 enabled_any $OUTDEV_LIST && enable muxers
2185 enabled_any $PROTOCOL_LIST && enable protocols
2186
2187 enabled_any $THREADS_LIST && enable threads
2188
2189 check_deps $CONFIG_LIST \
2190 $CONFIG_EXTRA \
2191 $HAVE_LIST \
2192 $DECODER_LIST \
2193 $ENCODER_LIST \
2194 $PARSER_LIST \
2195 $BSF_LIST \
2196 $DEMUXER_LIST \
2197 $MUXER_LIST \
2198 $FILTER_LIST \
2199 $INDEV_LIST \
2200 $OUTDEV_LIST \
2201 $PROTOCOL_LIST \
2202
2203 echo "install prefix $prefix"
2204 echo "source path $source_path"
2205 echo "C compiler $cc"
2206 echo ".align is power-of-two $asmalign_pot"
2207 echo "ARCH $arch ($cpu)"
2208 if test "$build_suffix" != ""; then
2209 echo "build suffix $build_suffix"
2210 fi
2211 if test "$extra_version" != ""; then
2212 echo "version string suffix $extra_version"
2213 fi
2214 echo "big-endian ${bigendian-no}"
2215 if enabled x86; then
2216 echo "yasm ${yasm-no}"
2217 echo "MMX enabled ${mmx-no}"
2218 echo "MMX2 enabled ${mmx2-no}"
2219 echo "3DNow! enabled ${amd3dnow-no}"
2220 echo "3DNow! extended enabled ${amd3dnowext-no}"
2221 echo "SSE enabled ${sse-no}"
2222 echo "SSSE3 enabled ${ssse3-no}"
2223 echo "CMOV enabled ${cmov-no}"
2224 echo "CMOV is fast ${fast_cmov-no}"
2225 echo "EBX available ${ebx_available-no}"
2226 echo "EBP available ${ebp_available-no}"
2227 echo "10 operands supported ${ten_operands-no}"
2228 fi
2229 if enabled arm; then
2230 echo "ARMv5TE enabled ${armv5te-no}"
2231 echo "ARMv6 enabled ${armv6-no}"
2232 echo "ARMv6T2 enabled ${armv6t2-no}"
2233 echo "ARM VFP enabled ${armvfp-no}"
2234 echo "IWMMXT enabled ${iwmmxt-no}"
2235 echo "NEON enabled ${neon-no}"
2236 fi
2237 if enabled mips; then
2238 echo "MMI enabled ${mmi-no}"
2239 fi
2240 if enabled ppc; then
2241 echo "AltiVec enabled ${altivec-no}"
2242 echo "PPC 4xx optimizations ${ppc4xx-no}"
2243 echo "dcbzl available ${dcbzl-no}"
2244 echo "performance report ${powerpc_perf-no}"
2245 fi
2246 if enabled sparc; then
2247 echo "VIS enabled ${vis-no}"
2248 fi
2249 echo "gprof enabled ${gprof-no}"
2250 echo "debug symbols ${debug-no}"
2251 echo "strip symbols ${stripping-no}"
2252 echo "optimizations ${optimizations-no}"
2253 echo "static ${static-no}"
2254 echo "shared ${shared-no}"
2255 echo "postprocessing support ${postproc-no}"
2256 echo "software scaler enabled ${swscale-no}"
2257 echo "new filter support ${avfilter-no}"
2258 echo "filters using lavformat ${avfilter_lavf-no}"
2259 echo "video hooking ${vhook-no}"
2260 if enabled vhook; then
2261 echo "Imlib2 support ${imlib2-no}"
2262 echo "FreeType support ${freetype2-no}"
2263 fi
2264 echo "network support ${network-no}"
2265 if enabled network; then
2266 echo "IPv6 support ${ipv6-no}"
2267 fi
2268 echo "threading support ${thread_type-no}"
2269 echo "SDL support ${sdl-no}"
2270 if enabled sdl_too_old; then
2271 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2272 fi
2273 echo "Sun medialib support ${mlib-no}"
2274 echo "AVISynth enabled ${avisynth-no}"
2275 echo "libamr-nb support ${libamr_nb-no}"
2276 echo "libamr-wb support ${libamr_wb-no}"
2277 echo "libdc1394 support ${libdc1394-no}"
2278 echo "libdirac enabled ${libdirac-no}"
2279 echo "libfaac enabled ${libfaac-no}"
2280 echo "libfaad enabled ${libfaad-no}"
2281 echo "libfaad dlopened ${libfaadbin-no}"
2282 echo "libgsm enabled ${libgsm-no}"
2283 echo "libmp3lame enabled ${libmp3lame-no}"
2284 echo "libnut enabled ${libnut-no}"
2285 echo "libopenjpeg enabled ${libopenjpeg-no}"
2286 echo "libschroedinger enabled ${libschroedinger-no}"
2287 echo "libspeex enabled ${libspeex-no}"
2288 echo "libtheora enabled ${libtheora-no}"
2289 echo "libvorbis enabled ${libvorbis-no}"
2290 echo "libx264 enabled ${libx264-no}"
2291 echo "libxvid enabled ${libxvid-no}"
2292 echo "vdpau enabled ${vdpau-no}"
2293 echo "zlib enabled ${zlib-no}"
2294 echo "bzlib enabled ${bzlib-no}"
2295 echo
2296
2297 for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2298 echo "Enabled ${type}s:"
2299 eval list=\$$(toupper $type)_LIST
2300 for part in $list; do
2301 enabled $part && echo ${part%_*}
2302 done | sort | pr -3 -t
2303 echo
2304 done
2305
2306 license="LGPL"
2307 if enabled nonfree; then
2308 license="unredistributable"
2309 elif enabled gpl; then
2310 license="GPL"
2311 fi
2312
2313 echo "License: $license"
2314
2315 echo "Creating config.mak and config.h..."
2316
2317 echo "# Automatically generated by configure - do not modify!" > config.mak
2318 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2319 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2320 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2321 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2322 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2323
2324 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2325 echo "prefix=$prefix" >> config.mak
2326 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2327 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2328 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2329 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2330 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2331 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2332 echo "CC=$cc" >> config.mak
2333 echo "YASM=$yasmexe" >> config.mak
2334 echo "AR=$ar" >> config.mak
2335 echo "RANLIB=$ranlib" >> config.mak
2336 echo "LN_S=$ln_s" >> config.mak
2337 enabled stripping &&
2338 echo "STRIP=$strip" >> config.mak ||
2339 echo "STRIP=echo ignoring strip" >> config.mak
2340
2341 echo "OPTFLAGS=$CFLAGS" >> config.mak
2342 echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2343 echo "LDFLAGS=$LDFLAGS" >> config.mak
2344 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2345 echo "SHFLAGS=$SHFLAGS" >> config.mak
2346 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2347 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2348 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2349 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2350 echo "BUILD_STATIC=$static" >> config.mak
2351 echo "BUILDSUF=$build_suffix" >> config.mak
2352 echo "FULLNAME=$FULLNAME" >> config.mak
2353 echo "LIBPREF=$LIBPREF" >> config.mak
2354 echo "LIBSUF=$LIBSUF" >> config.mak
2355 echo "LIBNAME=$LIBNAME" >> config.mak
2356 echo "SLIBPREF=$SLIBPREF" >> config.mak
2357 echo "SLIBSUF=$SLIBSUF" >> config.mak
2358 echo "EXESUF=$EXESUF" >> config.mak
2359 echo "EXTRA_VERSION=$extra_version" >> config.mak
2360 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2361 echo "HOSTCC=$host_cc" >> config.mak
2362 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2363 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2364 echo "HOSTLIBS=$host_libs" >> config.mak
2365 echo "TARGET_EXEC=$target_exec" >> config.mak
2366 echo "TARGET_PATH=$target_path" >> config.mak
2367
2368 if enabled bigendian; then
2369 echo "WORDS_BIGENDIAN=yes" >> config.mak
2370 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2371 fi
2372
2373 if enabled sdl; then
2374 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2375 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2376 fi
2377 if enabled texi2html; then
2378 echo "BUILD_DOC=yes" >> config.mak
2379 fi
2380
2381 get_version(){
2382 name=$1
2383 file=$source_path/$2
2384 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2385 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2386 lcname=$(tolower $name)
2387 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2388 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2389 }
2390
2391 get_version LIBSWSCALE libswscale/swscale.h
2392 get_version LIBPOSTPROC libpostproc/postprocess.h
2393 get_version LIBAVCODEC libavcodec/avcodec.h
2394 get_version LIBAVDEVICE libavdevice/avdevice.h
2395 get_version LIBAVFORMAT libavformat/avformat.h
2396 get_version LIBAVUTIL libavutil/avutil.h
2397 get_version LIBAVFILTER libavfilter/avfilter.h
2398
2399 if enabled shared; then
2400 echo "BUILD_SHARED=yes" >> config.mak
2401 echo "PIC=-fPIC -DPIC" >> config.mak
2402 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2403 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2404 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2405 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2406 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2407 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2408 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2409 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2410 fi
2411 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2412 echo "EXTRALIBS=$extralibs" >> config.mak
2413
2414 echo "ARCH=$arch" >> config.mak
2415
2416 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2417 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2418 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2419 $CONFIG_EXTRA \
2420 $DECODER_LIST \
2421 $ENCODER_LIST \
2422 $PARSER_LIST \
2423 $BSF_LIST \
2424 $DEMUXER_LIST \
2425 $MUXER_LIST \
2426 $FILTER_LIST \
2427 $PROTOCOL_LIST \
2428 $INDEV_LIST \
2429 $OUTDEV_LIST \
2430
2431 echo "#define restrict $_restrict" >> $TMPH
2432
2433 if enabled small; then
2434 echo "#define av_always_inline" >> $TMPH
2435 fi
2436
2437 echo "SRC_PATH=\"$source_path\"" >> config.mak
2438 echo "SRC_PATH_BARE=$source_path" >> config.mak
2439 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2440
2441 # Apparently it's not possible to portably echo a backslash.
2442 enabled asmalign_pot &&
2443 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2444 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2445
2446 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2447
2448 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2449
2450 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2451 cmp -s $TMPH config.h &&
2452 echo "config.h is unchanged" ||
2453 mv -f $TMPH config.h
2454
2455 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2456
2457 # build tree in object directory if source path is different from current one
2458 if enabled source_path_used; then
2459 DIRS="\
2460 doc \
2461 libavcodec \
2462 libavcodec/alpha \
2463 libavcodec/arm \
2464 libavcodec/bfin \
2465 libavcodec/mlib \
2466 libavcodec/ppc \
2467 libavcodec/sh4 \
2468 libavcodec/sparc \
2469 libavcodec/x86 \
2470 libavdevice \
2471 libavfilter \
2472 libavformat \
2473 libavutil \
2474 libpostproc \
2475 libswscale \
2476 tests \
2477 tools \
2478 vhook \
2479 "
2480 FILES="\
2481 Makefile \
2482 common.mak \
2483 subdir.mak \
2484 doc/texi2pod.pl \
2485 libavcodec/Makefile \
2486 libavdevice/Makefile \
2487 libavfilter/Makefile \
2488 libavformat/Makefile \
2489 libavutil/Makefile \
2490 libpostproc/Makefile \
2491 libswscale/Makefile \
2492 "
2493 for dir in $DIRS ; do
2494 mkdir -p $dir
2495 done
2496 for f in $FILES ; do
2497 $ln_s "$source_path/$f" $f
2498 done
2499 fi
2500
2501
2502 # build pkg-config files
2503
2504 pkgconfig_generate(){
2505 name=$1
2506 shortname=${name#lib}${build_suffix}
2507 comment=$2
2508 version=$3
2509 libs=$4
2510 requires=$5
2511 cat <<EOF > $name/$name.pc
2512 prefix=$prefix
2513 exec_prefix=\${prefix}
2514 libdir=$libdir
2515 includedir=$incdir
2516
2517 Name: $name
2518 Description: $comment
2519 Version: $version
2520 Requires: $(disabled shared && echo $requires)
2521 Requires.private: $(enabled shared && echo $requires)
2522 Conflicts:
2523 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2524 Libs.private: $(enabled shared && echo $libs)
2525 Cflags: -I\${includedir}
2526 EOF
2527 cat <<EOF > $name/$name-uninstalled.pc
2528 prefix=
2529 exec_prefix=
2530 libdir=\${pcfiledir}
2531 includedir=${source_path}
2532
2533 Name: $name
2534 Description: $comment
2535 Version: $version
2536 Requires: $requires
2537 Conflicts:
2538 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2539 Cflags: -I\${includedir}
2540 EOF
2541 }
2542
2543 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2544 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2545 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2546 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2547 enabled avfilter &&
2548 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2549 enabled postproc &&
2550 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2551 if enabled swscale; then
2552 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2553 else
2554 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2555 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2556 fi