Require --enable-nonfree for turning on libfaac support.
[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-swscale-alpha disable alpha channel support in swscale"
96 echo " --disable-fastdiv disable table-based division"
97 echo " --enable-small optimize for size instead of speed"
98 echo " --disable-aandct disable AAN DCT code"
99 echo " --disable-fft disable FFT code"
100 echo " --disable-golomb disable Golomb code"
101 echo " --disable-mdct disable MDCT code"
102 echo " --disable-rdft disable RDFT code"
103 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
104 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
105 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
106 echo " --enable-beos-netserver enable BeOS netserver"
107 echo " --disable-encoder=NAME disable encoder NAME"
108 echo " --enable-encoder=NAME enable encoder NAME"
109 echo " --disable-encoders disable all encoders"
110 echo " --disable-decoder=NAME disable decoder NAME"
111 echo " --enable-decoder=NAME enable decoder NAME"
112 echo " --disable-decoders disable all decoders"
113 echo " --disable-hwaccel=NAME disable hwaccel NAME"
114 echo " --enable-hwaccel=NAME enable hwaccel NAME"
115 echo " --disable-hwaccels disable all hwaccels"
116 echo " --disable-muxer=NAME disable muxer NAME"
117 echo " --enable-muxer=NAME enable muxer NAME"
118 echo " --disable-muxers disable all muxers"
119 echo " --disable-demuxer=NAME disable demuxer NAME"
120 echo " --enable-demuxer=NAME enable demuxer NAME"
121 echo " --disable-demuxers disable all demuxers"
122 echo " --enable-parser=NAME enable parser NAME"
123 echo " --disable-parser=NAME disable parser NAME"
124 echo " --disable-parsers disable all parsers"
125 echo " --enable-bsf=NAME enable bitstream filter NAME"
126 echo " --disable-bsf=NAME disable bitstream filter NAME"
127 echo " --disable-bsfs disable all bitstream filters"
128 echo " --enable-protocol=NAME enable protocol NAME"
129 echo " --disable-protocol=NAME disable protocol NAME"
130 echo " --disable-protocols disable all protocols"
131 echo " --disable-indevs disable input devices"
132 echo " --disable-outdevs disable output devices"
133 echo " --disable-devices disable all devices"
134 echo " --enable-filter=NAME enable filter NAME"
135 echo " --disable-filter=NAME disable filter NAME"
136 echo " --disable-filters disable all filters"
137 echo " --list-decoders show all available decoders"
138 echo " --list-encoders show all available encoders"
139 echo " --list-hwaccels show all available hardware accelerators"
140 echo " --list-muxers show all available muxers"
141 echo " --list-demuxers show all available demuxers"
142 echo " --list-parsers show all available parsers"
143 echo " --list-protocols show all available protocols"
144 echo " --list-bsfs show all available bitstream filters"
145 echo " --list-indevs show all available input devices"
146 echo " --list-outdevs show all available output devices"
147 echo " --list-filters show all available filters"
148 echo
149 echo "External library support:"
150 echo " --enable-avisynth enable reading of AVISynth script files [no]"
151 echo " --enable-bzlib enable bzlib [autodetect]"
152 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
153 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
154 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
155 echo " and libraw1394 [no]"
156 echo " --enable-libdirac enable Dirac support via libdirac [no]"
157 echo " --enable-libfaac enable FAAC support via libfaac [no]"
158 echo " --enable-libfaad enable FAAD support via libfaad [no]"
159 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
160 echo " --enable-libgsm enable GSM support via libgsm [no]"
161 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
162 echo " --enable-libnut enable NUT (de)muxing via libnut,"
163 echo " native (de)muxer exists [no]"
164 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
165 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
166 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
167 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
168 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
169 echo " native implementation exists [no]"
170 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
171 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
172 echo " native MPEG-4/Xvid encoder exists [no]"
173 echo " --enable-mlib enable Sun medialib [no]"
174 echo " --enable-zlib enable zlib [autodetect]"
175 echo ""
176 echo "Advanced options (experts only):"
177 echo " --source-path=PATH path to source code [$source_path]"
178 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
179 echo " --enable-cross-compile assume a cross-compiler is used"
180 echo " --sysroot=PATH root of cross-build tree"
181 echo " --sysinclude=PATH location of cross-build system headers"
182 echo " --target-os=OS compiler targets OS [$target_os]"
183 echo " --target-exec=CMD command to run executables on target"
184 echo " --target-path=DIR path to view of build directory on target"
185 echo " --nm=NM use nm tool"
186 echo " --as=AS use assembler AS [$as_default]"
187 echo " --cc=CC use C compiler CC [$cc_default]"
188 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
189 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
190 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
191 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
192 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
193 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
194 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
195 echo " --extra-version=STRING version string suffix []"
196 echo " --build-suffix=SUFFIX library name suffix []"
197 echo " --arch=ARCH select architecture [$arch]"
198 echo " --cpu=CPU select the minimum required CPU (affects"
199 echo " instruction selection, may crash on older CPUs)"
200 echo " --enable-powerpc-perf enable performance report on PPC"
201 echo " (requires enabling PMC)"
202 echo " --disable-altivec disable AltiVec optimizations"
203 echo " --disable-amd3dnow disable 3DNow! optimizations"
204 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
205 echo " --disable-mmx disable MMX optimizations"
206 echo " --disable-mmx2 disable MMX2 optimizations"
207 echo " --disable-sse disable SSE optimizations"
208 echo " --disable-ssse3 disable SSSE3 optimizations"
209 echo " --disable-armv5te disable armv5te optimizations"
210 echo " --disable-armv6 disable armv6 optimizations"
211 echo " --disable-armv6t2 disable armv6t2 optimizations"
212 echo " --disable-armvfp disable ARM VFP optimizations"
213 echo " --disable-iwmmxt disable iwmmxt optimizations"
214 echo " --disable-mmi disable MMI optimizations"
215 echo " --disable-neon disable neon optimizations"
216 echo " --disable-vis disable VIS optimizations"
217 echo " --disable-yasm disable use of yasm assembler"
218 echo
219 echo "Developer options (useful when working on FFmpeg itself):"
220 echo " --disable-debug disable debugging symbols"
221 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
222 echo " --enable-gprof enable profiling with gprof [$gprof]"
223 echo " --disable-optimizations disable compiler optimizations"
224 echo " --enable-extra-warnings enable more compiler warnings"
225 echo " --disable-stripping disable stripping of executables and shared libraries"
226 echo ""
227 echo "NOTE: Object files are built at the place where configure is launched."
228 exit 0
229 }
230
231 log(){
232 echo "$@" >> $logfile
233 }
234
235 log_file(){
236 log BEGIN $1
237 pr -n -t $1 >> $logfile
238 log END $1
239 }
240
241 echolog(){
242 log "$@"
243 echo "$@"
244 }
245
246 die(){
247 echolog "$@"
248 cat <<EOF
249
250 If you think configure made a mistake, make sure you are using the latest
251 version from SVN. If the latest version fails, report the problem to the
252 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
253 EOF
254 if disabled logging; then
255 cat <<EOF
256 Rerun configure with logging enabled (do not use --disable-logging), and
257 include the log this produces with your report.
258 EOF
259 else
260 cat <<EOF
261 Include the log file "$logfile" produced by configure as this will help
262 solving the problem.
263 EOF
264 fi
265 exit 1
266 }
267
268 # Avoid locale weirdness, besides we really just want to translate ASCII.
269 toupper(){
270 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
271 }
272
273 tolower(){
274 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
275 }
276
277 c_escape(){
278 echo "$*" | sed 's/["\\]/\\\0/g'
279 }
280
281 set_all(){
282 value=$1
283 shift
284 for var in $*; do
285 eval $var=$value
286 done
287 }
288
289 set_weak(){
290 value=$1
291 shift
292 for var; do
293 eval : \${$var:=$value}
294 done
295 }
296
297 pushvar(){
298 for var in $*; do
299 eval level=\${${var}_level:=0}
300 eval ${var}_${level}="\$$var"
301 eval ${var}_level=$(($level+1))
302 done
303 }
304
305 popvar(){
306 for var in $*; do
307 eval level=\${${var}_level:-0}
308 test $level = 0 && continue
309 eval level=$(($level-1))
310 eval $var="\${${var}_${level}}"
311 eval ${var}_level=$level
312 eval unset ${var}_${level}
313 done
314 }
315
316 enable(){
317 set_all yes $*
318 }
319
320 disable(){
321 set_all no $*
322 }
323
324 enable_weak(){
325 set_weak yes $*
326 }
327
328 disable_weak(){
329 set_weak no $*
330 }
331
332 enable_safe(){
333 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
334 }
335
336 disable_safe(){
337 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
338 }
339
340 do_enable_deep(){
341 for var; do
342 enabled $var && continue
343 eval sel="\$${var}_select"
344 eval sgs="\$${var}_suggest"
345 pushvar var sgs
346 enable_deep $sel
347 popvar sgs
348 enable_deep_weak $sgs
349 popvar var
350 done
351 }
352
353 enable_deep(){
354 do_enable_deep $*
355 enable $*
356 }
357
358 enable_deep_weak(){
359 do_enable_deep $*
360 enable_weak $*
361 }
362
363 enabled(){
364 test "${1#!}" = "$1" && op== || op=!=
365 eval test "x\$${1#!}" $op "xyes"
366 }
367
368 disabled(){
369 test "${1#!}" = "$1" && op== || op=!=
370 eval test "x\$${1#!}" $op "xno"
371 }
372
373 enabled_all(){
374 for opt; do
375 enabled $opt || return 1
376 done
377 }
378
379 disabled_all(){
380 for opt; do
381 disabled $opt || return 1
382 done
383 }
384
385 enabled_any(){
386 for opt; do
387 enabled $opt && return 0
388 done
389 }
390
391 disabled_any(){
392 for opt; do
393 disabled $opt && return 0
394 done
395 return 1
396 }
397
398 set_default(){
399 for opt; do
400 eval : \${$opt:=\$${opt}_default}
401 done
402 }
403
404 is_in(){
405 value=$1
406 shift
407 for var in $*; do
408 [ $var = $value ] && return 0
409 done
410 return 1
411 }
412
413 check_deps(){
414 for cfg; do
415 cfg="${cfg#!}"
416 enabled ${cfg}_checking && die "Circular dependency for $cfg."
417 disabled ${cfg}_checking && continue
418 enable ${cfg}_checking
419
420 eval dep_all="\$${cfg}_deps"
421 eval dep_any="\$${cfg}_deps_any"
422 eval dep_sel="\$${cfg}_select"
423 eval dep_sgs="\$${cfg}_suggest"
424
425 pushvar cfg dep_all dep_any dep_sel dep_sgs
426 check_deps $dep_all $dep_any $dep_sel $dep_sgs
427 popvar cfg dep_all dep_any dep_sel dep_sgs
428
429 enabled_all $dep_all || disable $cfg
430 enabled_any $dep_any || disable $cfg
431 disabled_any $dep_sel && disable $cfg
432
433 if enabled $cfg; then
434 eval dep_extralibs="\$${cfg}_extralibs"
435 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
436 enable_deep $dep_sel
437 enable_deep_weak $dep_sgs
438 fi
439
440 disable ${cfg}_checking
441 done
442 }
443
444 print_config(){
445 pfx=$1
446 header=$2
447 makefile=$3
448 shift 3
449 for cfg; do
450 ucname="$(toupper $cfg)"
451 if enabled $cfg; then
452 echo "#define ${pfx}${ucname} 1" >> $header
453 echo "${pfx}${ucname}=yes" >> $makefile
454 else
455 echo "#define ${pfx}${ucname} 0" >> $header
456 fi
457 done
458 }
459
460 flags_saved(){
461 (: ${SAVE_CFLAGS?}) 2> /dev/null
462 }
463
464 save_flags(){
465 flags_saved && return
466 SAVE_CFLAGS="$CFLAGS"
467 SAVE_LDFLAGS="$LDFLAGS"
468 SAVE_extralibs="$extralibs"
469 }
470
471 restore_flags(){
472 flags_saved || return
473 CFLAGS="$SAVE_CFLAGS"
474 LDFLAGS="$SAVE_LDFLAGS"
475 extralibs="$SAVE_extralibs"
476 unset SAVE_CFLAGS
477 unset SAVE_LDFLAGS
478 unset SAVE_extralibs
479 }
480
481 temp_cflags(){
482 save_flags
483 CFLAGS="$CFLAGS $*"
484 }
485
486 temp_ldflags(){
487 save_flags
488 LDFLAGS="$LDFLAGS $*"
489 }
490
491 temp_extralibs(){
492 save_flags
493 extralibs="$extralibs $*"
494 }
495
496 append(){
497 var=$1
498 shift
499 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
500 eval "$var=\"\$$var $*\""
501 }
502
503 add_cflags(){
504 append CFLAGS "$@"
505 }
506
507 add_ldflags(){
508 append LDFLAGS "$@"
509 }
510
511 add_extralibs(){
512 append extralibs "$@"
513 }
514
515 check_cmd(){
516 log "$@"
517 "$@" >> $logfile 2>&1
518 }
519
520 check_cc(){
521 log check_cc "$@"
522 cat > $TMPC
523 log_file $TMPC
524 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
525 }
526
527 check_cpp(){
528 log check_cpp "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
532 }
533
534 check_as(){
535 log check_as "$@"
536 cat > $TMPC
537 log_file $TMPC
538 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
539 }
540
541 check_asm(){
542 log check_asm "$@"
543 name="$1"
544 asm="$2"
545 shift 2
546 check_as "$@" <<EOF && enable $name || disable $name
547 void foo(void){ __asm__ volatile($asm); }
548 EOF
549 }
550
551 check_yasm(){
552 log check_yasm "$@"
553 echo "$1" > $TMPS
554 log_file $TMPS
555 shift 1
556 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
557 }
558
559 check_ld(){
560 log check_ld "$@"
561 check_cc || return
562 flags=''
563 libs=''
564 for f; do
565 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
566 done
567 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
568 }
569
570 check_cflags(){
571 log check_cflags "$@"
572 check_cc "$@" <<EOF && add_cflags "$@"
573 int x;
574 EOF
575 }
576
577 check_ldflags(){
578 log check_ldflags "$@"
579 check_ld "$@" <<EOF && add_ldflags "$@"
580 int main(void){ return 0; }
581 EOF
582 }
583
584 check_header(){
585 log check_header "$@"
586 header=$1
587 shift
588 disable_safe $header
589 check_cpp "$@" <<EOF && enable_safe $header
590 #include <$header>
591 int x;
592 EOF
593 }
594
595 check_func(){
596 log check_func "$@"
597 func=$1
598 shift
599 disable $func
600 check_ld "$@" <<EOF && enable $func
601 extern int $func();
602 int main(void){ $func(); }
603 EOF
604 }
605
606 check_func_headers(){
607 log check_func_headers "$@"
608 headers=$1
609 func=$2
610 shift 2
611 disable $func
612 incs=""
613 for hdr in $headers; do
614 incs="$incs
615 #include <$hdr>"
616 done
617 check_ld "$@" <<EOF && enable $func && enable_safe $headers
618 $incs
619 int main(int argc, char **argv){
620 (void) $func;
621 return 0;
622 }
623 EOF
624 }
625
626 check_cpp_condition(){
627 log check_cpp_condition "$@"
628 header=$1
629 condition=$2
630 check_cpp <<EOF
631 #include <$header>
632 #if !($condition)
633 #error "unsatisfied condition: $condition"
634 #endif
635 EOF
636 }
637
638 check_lib(){
639 log check_lib "$@"
640 header="$1"
641 func="$2"
642 shift 2
643 temp_extralibs "$@"
644 check_header $header && check_func $func && add_extralibs "$@"
645 err=$?
646 restore_flags
647 return $err
648 }
649
650 check_lib2(){
651 log check_lib2 "$@"
652 headers="$1"
653 func="$2"
654 shift 2
655 temp_extralibs "$@"
656 check_func_headers "$headers" $func && add_extralibs "$@"
657 err=$?
658 restore_flags
659 return $err
660 }
661
662 check_exec(){
663 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
664 }
665
666 check_exec_crash(){
667 code=$(cat)
668
669 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
670 # are safe but may not be available everywhere. Thus we use
671 # raise(SIGTERM) instead. The check is run in a subshell so we
672 # can redirect the "Terminated" message from the shell. SIGBUS
673 # is not defined by standard C so it is used conditionally.
674
675 (check_exec "$@") >> $logfile 2>&1 <<EOF
676 #include <signal.h>
677 static void sighandler(int sig){
678 raise(SIGTERM);
679 }
680 int main(void){
681 signal(SIGILL, sighandler);
682 signal(SIGFPE, sighandler);
683 signal(SIGSEGV, sighandler);
684 #ifdef SIGBUS
685 signal(SIGBUS, sighandler);
686 #endif
687 { $code }
688 }
689 EOF
690 }
691
692 check_type(){
693 log check_type "$@"
694 headers=$1
695 type=$2
696 shift 2
697 disable $type
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701 #include <$hdr>"
702 done
703 check_cc "$@" <<EOF && enable $type
704 $incs
705 $type v;
706 EOF
707 }
708
709 require(){
710 name="$1"
711 header="$2"
712 func="$3"
713 shift 3
714 check_lib $header $func "$@" || die "ERROR: $name not found"
715 }
716
717 require2(){
718 name="$1"
719 headers="$2"
720 func="$3"
721 shift 3
722 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
723 }
724
725 check_foo_config(){
726 cfg=$1
727 pkg=$2
728 header=$3
729 func=$4
730 shift 4
731 disable $cfg
732 check_cmd ${pkg}-config --version
733 err=$?
734 if test "$err" = 0; then
735 temp_cflags $(${pkg}-config --cflags)
736 temp_extralibs $(${pkg}-config --libs)
737 check_lib "$@" $header $func && enable $cfg
738 fi
739 return $err
740 }
741
742 apply(){
743 file=$1
744 shift
745 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
746 }
747
748 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
749 # system-dependent things.
750
751 COMPONENT_LIST="
752 bsfs
753 decoders
754 demuxers
755 encoders
756 filters
757 hwaccels
758 indevs
759 muxers
760 outdevs
761 parsers
762 protocols
763 "
764
765 CONFIG_LIST="
766 $COMPONENT_LIST
767 aandct
768 avfilter
769 avfilter_lavf
770 avisynth
771 beos_netserver
772 bzlib
773 fastdiv
774 ffmpeg
775 ffplay
776 ffserver
777 fft
778 golomb
779 gpl
780 gprof
781 gray
782 hardcoded_tables
783 ipv6
784 libamr_nb
785 libamr_wb
786 libdc1394
787 libdirac
788 libfaac
789 libfaad
790 libfaadbin
791 libgsm
792 libmp3lame
793 libnut
794 libopenjpeg
795 libschroedinger
796 libspeex
797 libtheora
798 libvorbis
799 libx264
800 libxvid
801 mdct
802 memalign_hack
803 mlib
804 mpegaudio_hp
805 network
806 nonfree
807 postproc
808 powerpc_perf
809 rdft
810 runtime_cpudetect
811 shared
812 small
813 static
814 swscale_alpha
815 x11grab
816 zlib
817 "
818
819 THREADS_LIST='
820 beosthreads
821 os2threads
822 pthreads
823 w32threads
824 '
825
826 ARCH_LIST='
827 alpha
828 arm
829 bfin
830 ia64
831 m68k
832 mips
833 parisc
834 ppc
835 s390
836 sh4
837 sparc
838 sparc64
839 x86
840 x86_32
841 x86_64
842 '
843
844 ARCH_EXT_LIST='
845 altivec
846 amd3dnow
847 amd3dnowext
848 armv5te
849 armv6
850 armv6t2
851 armvfp
852 iwmmxt
853 mmi
854 mmx
855 mmx2
856 neon
857 ppc4xx
858 sse
859 ssse3
860 vis
861 '
862
863 HAVE_LIST="
864 $ARCH_EXT_LIST
865 $THREADS_LIST
866 alsa_asoundlib_h
867 altivec_h
868 arpa_inet_h
869 bswap
870 closesocket
871 cmov
872 conio_h
873 dcbzl
874 dev_bktr_ioctl_bt848_h
875 dev_bktr_ioctl_meteor_h
876 dev_ic_bt8xx_h
877 dev_video_meteor_ioctl_meteor_h
878 dev_video_bktr_ioctl_bt848_h
879 dlfcn_h
880 dlopen
881 dos_paths
882 ebp_available
883 ebx_available
884 fast_64bit
885 fast_cmov
886 fast_unaligned
887 fork
888 gethrtime
889 GetProcessTimes
890 getrusage
891 inet_aton
892 inline_asm
893 ldbrx
894 libdc1394_1
895 libdc1394_2
896 llrint
897 lrint
898 lrintf
899 lzo1x_999_compress
900 machine_ioctl_bt848_h
901 machine_ioctl_meteor_h
902 malloc_h
903 memalign
904 mkstemp
905 pld
906 posix_memalign
907 ppc64
908 round
909 roundf
910 sdl
911 sdl_video_size
912 setmode
913 socklen_t
914 soundcard_h
915 poll_h
916 sys_mman_h
917 sys_resource_h
918 sys_select_h
919 sys_soundcard_h
920 sys_videoio_h
921 ten_operands
922 termios_h
923 threads
924 truncf
925 VirtualAlloc
926 winsock2_h
927 xform_asm
928 yasm
929 "
930
931 # options emitted with CONFIG_ prefix but not available on command line
932 CONFIG_EXTRA="
933 "
934
935 CMDLINE_SELECT="
936 $ARCH_EXT_LIST
937 $CONFIG_LIST
938 $THREADS_LIST
939 cross_compile
940 debug
941 extra_warnings
942 logging
943 optimizations
944 stripping
945 yasm
946 "
947
948 PATHS_LIST='
949 bindir
950 datadir
951 incdir
952 libdir
953 mandir
954 prefix
955 shlibdir
956 '
957
958 CMDLINE_SET="
959 $PATHS_LIST
960 arch
961 as
962 build_suffix
963 cc
964 cpu
965 cross_prefix
966 extra_version
967 host_cc
968 host_cflags
969 host_ldflags
970 host_libs
971 host_os
972 logfile
973 nm
974 source_path
975 sysinclude
976 sysroot
977 target_exec
978 target_os
979 target_path
980 "
981
982 # code dependency declarations
983
984 # architecture extensions
985 altivec_deps="ppc"
986 amd3dnow_deps="mmx"
987 amd3dnowext_deps="amd3dnow"
988 armv5te_deps="arm"
989 armv6_deps="arm"
990 armv6t2_deps="arm"
991 armvfp_deps="arm"
992 iwmmxt_deps="arm"
993 mmi_deps="mips"
994 mmx_deps="x86"
995 mmx2_deps="mmx"
996 neon_deps="arm"
997 ppc4xx_deps="ppc"
998 sse_deps="mmx"
999 ssse3_deps="sse"
1000 vis_deps="sparc"
1001
1002 # decoders / encoders / hardware accelerators
1003 aac_decoder_select="fft mdct"
1004 ac3_decoder_deps="gpl"
1005 ac3_decoder_select="fft mdct"
1006 atrac3_decoder_select="fft mdct"
1007 cavs_decoder_select="golomb"
1008 cook_decoder_select="fft mdct"
1009 cscd_decoder_suggest="zlib"
1010 dca_decoder_select="fft mdct"
1011 dnxhd_encoder_select="aandct"
1012 dxa_decoder_select="zlib"
1013 eac3_decoder_deps="gpl"
1014 eac3_decoder_select="fft mdct"
1015 eatgq_decoder_select="aandct"
1016 eatqi_decoder_select="aandct"
1017 ffv1_decoder_select="golomb"
1018 flac_decoder_select="golomb"
1019 flac_encoder_select="golomb"
1020 flashsv_decoder_select="zlib"
1021 flashsv_encoder_select="zlib"
1022 flv_encoder_select="aandct"
1023 h261_encoder_select="aandct"
1024 h263_encoder_select="aandct"
1025 h263_vaapi_hwaccel_deps="va_va_h"
1026 h263p_encoder_select="aandct"
1027 h264_decoder_select="golomb"
1028 h264_vaapi_hwaccel_deps="va_va_h"
1029 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1030 imc_decoder_select="fft mdct"
1031 jpegls_decoder_select="golomb"
1032 jpegls_encoder_select="golomb"
1033 ljpeg_encoder_select="aandct"
1034 loco_decoder_select="golomb"
1035 mjpeg_encoder_select="aandct"
1036 mpeg1video_encoder_select="aandct"
1037 mpeg2video_encoder_select="aandct"
1038 mpeg4_encoder_select="aandct"
1039 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1040 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1041 mpeg2_vaapi_hwaccel_deps="va_va_h"
1042 mpeg4_vaapi_hwaccel_deps="va_va_h"
1043 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1044 msmpeg4v1_encoder_select="aandct"
1045 msmpeg4v2_encoder_select="aandct"
1046 msmpeg4v3_encoder_select="aandct"
1047 nellymoser_decoder_select="fft mdct"
1048 nellymoser_encoder_select="fft mdct"
1049 png_decoder_select="zlib"
1050 png_encoder_select="zlib"
1051 qdm2_decoder_select="fft mdct rdft"
1052 rv10_encoder_select="aandct"
1053 rv20_encoder_select="aandct"
1054 rv30_decoder_select="golomb"
1055 rv40_decoder_select="golomb"
1056 shorten_decoder_select="golomb"
1057 sonic_decoder_select="golomb"
1058 sonic_encoder_select="golomb"
1059 sonic_ls_encoder_select="golomb"
1060 svq3_decoder_select="golomb"
1061 svq3_decoder_suggest="zlib"
1062 tiff_decoder_suggest="zlib"
1063 tiff_encoder_suggest="zlib"
1064 tscc_decoder_select="zlib"
1065 vc1_vaapi_hwaccel_deps="va_va_h"
1066 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1067 vorbis_decoder_select="fft mdct"
1068 vorbis_encoder_select="fft mdct"
1069 wmav1_decoder_select="fft mdct"
1070 wmav1_encoder_select="fft mdct"
1071 wmav2_decoder_select="fft mdct"
1072 wmav2_encoder_select="fft mdct"
1073 wmv1_encoder_select="aandct"
1074 wmv2_encoder_select="aandct"
1075 wmv3_vaapi_hwaccel_deps="va_va_h"
1076 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077 zlib_decoder_select="zlib"
1078 zlib_encoder_select="zlib"
1079 zmbv_decoder_select="zlib"
1080 zmbv_encoder_select="zlib"
1081
1082 # external libraries
1083 libamr_nb_decoder_deps="libamr_nb"
1084 libamr_nb_encoder_deps="libamr_nb"
1085 libamr_wb_decoder_deps="libamr_wb"
1086 libamr_wb_encoder_deps="libamr_wb"
1087 libdirac_decoder_deps="libdirac !libschroedinger"
1088 libdirac_encoder_deps="libdirac"
1089 libfaac_encoder_deps="libfaac"
1090 libfaad_decoder_deps="libfaad"
1091 libfaadbin_decoder_extralibs='$ldl'
1092 libgsm_decoder_deps="libgsm"
1093 libgsm_encoder_deps="libgsm"
1094 libgsm_ms_decoder_deps="libgsm"
1095 libgsm_ms_encoder_deps="libgsm"
1096 libmp3lame_encoder_deps="libmp3lame"
1097 libopenjpeg_decoder_deps="libopenjpeg"
1098 libschroedinger_decoder_deps="libschroedinger"
1099 libschroedinger_encoder_deps="libschroedinger"
1100 libspeex_decoder_deps="libspeex"
1101 libtheora_encoder_deps="libtheora"
1102 libvorbis_encoder_deps="libvorbis"
1103 libx264_encoder_deps="libx264"
1104 libxvid_encoder_deps="libxvid"
1105
1106 # demuxers / muxers
1107 ac3_demuxer_deps="ac3_parser"
1108 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1109 alsa_demuxer_extralibs="-lasound"
1110 alsa_muxer_deps="alsa_asoundlib_h"
1111 alsa_muxer_extralibs="-lasound"
1112 audio_beos_demuxer_deps="audio_beos"
1113 audio_beos_demuxer_extralibs="-lmedia -lbe"
1114 audio_beos_muxer_deps="audio_beos"
1115 audio_beos_muxer_extralibs="-lmedia -lbe"
1116 avisynth_demuxer_deps="avisynth"
1117 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1118 dirac_demuxer_deps="dirac_parser"
1119 dv1394_demuxer_deps="dv1394 dv_demuxer"
1120 jack_demuxer_deps="jack_jack_h"
1121 jack_demuxer_extralibs="-ljack"
1122 libdc1394_demuxer_deps="libdc1394"
1123 libnut_demuxer_deps="libnut"
1124 libnut_muxer_deps="libnut"
1125 matroska_demuxer_suggest="zlib bzlib"
1126 mov_demuxer_suggest="zlib"
1127 mp3_demuxer_deps="mpegaudio_parser"
1128 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1129 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1130 redir_demuxer_deps="network"
1131 rtp_muxer_deps="network rtp_protocol"
1132 rtsp_demuxer_deps="sdp_demuxer"
1133 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1134 v4l_demuxer_deps="linux_videodev_h"
1135 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1136 vfwcap_demuxer_deps="capCreateCaptureWindow"
1137 vfwcap_demuxer_extralibs="-lvfw32"
1138 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1139 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1140
1141 # protocols
1142 gopher_protocol_deps="network"
1143 http_protocol_deps="network"
1144 rtp_protocol_deps="udp_protocol"
1145 tcp_protocol_deps="network"
1146 udp_protocol_deps="network"
1147
1148 # filters
1149 movie_filter_deps="avfilter_lavf"
1150
1151 # programs
1152 ffplay_deps="sdl"
1153 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1154 ffserver_extralibs='$ldl'
1155
1156
1157 # default parameters
1158
1159 logfile="config.err"
1160
1161 # installation paths
1162 prefix_default="/usr/local"
1163 bindir_default='${prefix}/bin'
1164 datadir_default='${prefix}/share/ffmpeg'
1165 incdir_default='${prefix}/include'
1166 libdir_default='${prefix}/lib'
1167 mandir_default='${prefix}/share/man'
1168 shlibdir_default="$libdir_default"
1169
1170 # toolchain
1171 ar="ar"
1172 cc_default="gcc"
1173 host_cc_default="gcc"
1174 ln_s="ln -sf"
1175 nm_default="nm"
1176 objformat="elf"
1177 ranlib="ranlib"
1178 strip="strip"
1179 yasmexe="yasm"
1180
1181 # machine
1182 arch=$(uname -m)
1183 cpu="generic"
1184
1185 # OS
1186 target_os=$(tolower $(uname -s))
1187 host_os=$target_os
1188
1189 # configurable options
1190 enable debug
1191 enable fastdiv
1192 enable ffmpeg
1193 enable ffplay
1194 enable ffserver
1195 enable ipv6
1196 enable mpegaudio_hp
1197 enable network
1198 enable optimizations
1199 enable protocols
1200 enable static
1201 enable stripping
1202 enable swscale_alpha
1203
1204 # build settings
1205 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1206 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1207 FFSERVERLDFLAGS=-Wl,-E
1208 LIBPREF="lib"
1209 LIBSUF=".a"
1210 FULLNAME='$(NAME)$(BUILDSUF)'
1211 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1212 SLIBPREF="lib"
1213 SLIBSUF=".so"
1214 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1215 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1216 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1217 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1218
1219 host_cflags='-O3 -g -Wall'
1220 host_libs='-lm'
1221
1222 target_path='.'
1223
1224 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1225 # full relative path for objects in subdirectories for non-recursive Make.
1226 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1227
1228 # find source path
1229 source_path="$(dirname "$0")"
1230 enable source_path_used
1231 if test -z "$source_path" -o "$source_path" = "." ; then
1232 source_path="$(pwd)"
1233 disable source_path_used
1234 else
1235 source_path="$(cd "$source_path"; pwd)"
1236 echo "$source_path" | grep -q '[[:blank:]]' &&
1237 die "Out of tree builds are impossible with whitespace in source path."
1238 test -e "$source_path/config.h" &&
1239 die "Out of tree builds are impossible with config.h in source dir."
1240 fi
1241
1242 for v in "$@"; do
1243 r="${v#*=}"
1244 l="${v%$r}"
1245 test "$r" = "${r#* }" || r="'$r'"
1246 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1247 done
1248
1249 find_things(){
1250 thing=$1
1251 pattern=$2
1252 file=$source_path/$3
1253 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1254 }
1255
1256 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1257 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1258 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1259 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1260 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1261 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1262 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1263 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1264 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1265 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1266 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1267
1268 enable $ARCH_EXT_LIST \
1269 $DECODER_LIST \
1270 $ENCODER_LIST \
1271 $HWACCEL_LIST \
1272 $PARSER_LIST \
1273 $BSF_LIST \
1274 $DEMUXER_LIST \
1275 $MUXER_LIST \
1276 $FILTER_LIST \
1277 $PROTOCOL_LIST \
1278 $INDEV_LIST \
1279 $OUTDEV_LIST \
1280
1281 die_unknown(){
1282 echo "Unknown option \"$1\"."
1283 echo "See $0 --help for available options."
1284 exit 1
1285 }
1286
1287 show_list() {
1288 suffix=_$1
1289 shift
1290 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1291 exit 0
1292 }
1293
1294 for opt do
1295 optval="${opt#*=}"
1296 case "$opt" in
1297 --extra-cflags=*) add_cflags $optval
1298 ;;
1299 --extra-ldflags=*) add_ldflags $optval
1300 ;;
1301 --extra-libs=*) add_extralibs $optval
1302 ;;
1303 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1304 ;;
1305 --enable-debug=*) debuglevel="$optval"
1306 ;;
1307 --enable-*=*|--disable-*=*)
1308 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1309 case "$thing" in
1310 encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1311 *) die_unknown "$opt" ;;
1312 esac
1313 ;;
1314 --enable-?*|--disable-?*)
1315 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1316 if is_in $option $COMPONENT_LIST; then
1317 eval $action \$$(toupper ${option%s})_LIST
1318 elif is_in $option $CMDLINE_SELECT; then
1319 $action $option
1320 else
1321 die_unknown $opt
1322 fi
1323 ;;
1324 --list-*)
1325 NAME="${opt#--list-}"
1326 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1327 NAME=${NAME%s}
1328 eval show_list $NAME \$$(toupper $NAME)_LIST
1329 ;;
1330 --help|-h) show_help
1331 ;;
1332 *)
1333 optname="${opt%%=*}"
1334 optname="${optname#--}"
1335 optname=$(echo "$optname" | sed 's/-/_/g')
1336 is_in $optname $CMDLINE_SET || die_unknown $opt
1337 eval $optname='$optval'
1338 ;;
1339 esac
1340 done
1341
1342 disabled logging && logfile=/dev/null
1343
1344 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1345 set >> $logfile
1346
1347 test -n "$cross_prefix" && enable cross_compile
1348
1349 ar="${cross_prefix}${ar}"
1350 cc_default="${cross_prefix}${cc_default}"
1351 nm_default="${cross_prefix}${nm_default}"
1352 ranlib="${cross_prefix}${ranlib}"
1353 strip="${cross_prefix}${strip}"
1354
1355 sysinclude_default="${sysroot}/usr/include"
1356
1357 set_default cc nm sysinclude
1358 as_default=$cc
1359 enabled cross_compile || host_cc_default=$cc
1360 set_default host_cc
1361
1362 exesuf() {
1363 case $1 in
1364 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1365 esac
1366 }
1367
1368 EXESUF=$(exesuf $target_os)
1369 HOSTEXESUF=$(exesuf $host_os)
1370
1371 # set temporary file name
1372 : ${TMPDIR:=$TEMPDIR}
1373 : ${TMPDIR:=$TMP}
1374 : ${TMPDIR:=/tmp}
1375
1376 if ! check_cmd type mktemp; then
1377 # simple replacement for missing mktemp
1378 # NOT SAFE FOR GENERAL USE
1379 mktemp(){
1380 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1381 }
1382 fi
1383
1384 tmpfile(){
1385 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1386 (set -C; exec > $tmp) 2>/dev/null ||
1387 die "Unable to create temoporary file in $TMPDIR."
1388 append TMPFILES $tmp
1389 eval $1=$tmp
1390 }
1391
1392 trap 'rm -f -- $TMPFILES' EXIT
1393 trap exit HUP INT TERM
1394
1395 tmpfile TMPC .c
1396 tmpfile TMPE $EXESUF
1397 tmpfile TMPH .h
1398 tmpfile TMPO .o
1399 tmpfile TMPS .S
1400 tmpfile TMPSH .sh
1401
1402 unset -f mktemp
1403
1404 # make sure we can execute files in $TMPDIR
1405 cat > $TMPSH 2>> $logfile <<EOF
1406 #! /bin/sh
1407 EOF
1408 chmod +x $TMPSH >> $logfile 2>&1
1409 if ! $TMPSH >> $logfile 2>&1; then
1410 cat <<EOF
1411 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1412 variable to another directory and make sure that it is not mounted noexec.
1413 EOF
1414 die "Sanity test failed."
1415 fi
1416
1417 if $cc --version 2>/dev/null | grep -qi gcc; then
1418 cc_type=gcc
1419 elif $cc --version 2>/dev/null | grep -q Intel; then
1420 cc_type=icc
1421 elif $cc -v 2>&1 | grep -q xlc; then
1422 cc_type=xlc
1423 elif $cc -V 2>/dev/null | grep -q Compaq; then
1424 cc_type=ccc
1425 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1426 debuglevel=3
1427 add_ldflags -Wl,-z,now # calls to libots crash without this
1428 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1429 test -d "$sysroot" || die "No valid sysroot specified."
1430 cc_type=armcc
1431 armcc_conf="$PWD/armcc.conf"
1432 $cc --arm_linux_configure \
1433 --arm_linux_config_file="$armcc_conf" \
1434 --configure_sysroot="$sysroot" \
1435 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1436 die "Error creating armcc configuration file."
1437 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1438 as_default="${cross_prefix}gcc"
1439 fi
1440
1441 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1442
1443 set_default as
1444
1445 if test -n "$sysroot"; then
1446 case "$cc_type" in
1447 gcc)
1448 add_cflags --sysroot="$sysroot"
1449 add_ldflags --sysroot="$sysroot"
1450 ;;
1451 esac
1452 fi
1453
1454 # compiler sanity check
1455 check_exec <<EOF
1456 int main(void){ return 0; }
1457 EOF
1458 if test "$?" != 0; then
1459 echo "$cc is unable to create an executable file."
1460 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1461 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1462 echo "Only do this if you know what cross compiling means."
1463 fi
1464 die "C compiler test failed."
1465 fi
1466
1467 check_cflags -std=c99
1468 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1469 #include <stdlib.h>
1470 EOF
1471 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1472 #include <stdlib.h>
1473 EOF
1474
1475 case "$arch" in
1476 alpha)
1477 arch="alpha"
1478 enable fast_64bit
1479 check_cflags -mieee
1480 ;;
1481 arm|armv[4567]*l)
1482 arch="arm"
1483 ;;
1484 avr32)
1485 ;;
1486 bfin)
1487 arch="bfin"
1488 ;;
1489 ia64)
1490 arch="ia64"
1491 enable fast_64bit
1492 ;;
1493 m68k)
1494 arch="m68k"
1495 ;;
1496 mips|mipsel|IP*)
1497 arch="mips"
1498 ;;
1499 mips64)
1500 arch="mips"
1501 enable fast_64bit
1502 ;;
1503 parisc|hppa)
1504 arch="parisc"
1505 ;;
1506 parisc64|hppa64)
1507 arch="parisc"
1508 enable fast_64bit
1509 ;;
1510 "Power Macintosh"|ppc|powerpc)
1511 arch="ppc"
1512 enable fast_unaligned
1513 ;;
1514 ppc64)
1515 arch="ppc"
1516 enable fast_64bit
1517 enable fast_unaligned
1518 ;;
1519 s390|s390x)
1520 arch="s390"
1521 ;;
1522 sh4|sh)
1523 arch="sh4"
1524 ;;
1525 sparc)
1526 arch="sparc"
1527 ;;
1528 sun4u|sparc64)
1529 arch="sparc"
1530 subarch="sparc64"
1531 enable fast_64bit
1532 ;;
1533 i386|i486|i586|i686|i86pc|BePC)
1534 arch="x86"
1535 subarch="x86_32"
1536 enable fast_unaligned
1537 ;;
1538 x86_64|amd64)
1539 arch="x86"
1540 subarch="x86_32"
1541 enable cmov
1542 enable fast_cmov
1543 enable fast_unaligned
1544 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1545 int test[sizeof(char*) - 7];
1546 EOF
1547 ;;
1548 *)
1549 arch="unknown"
1550 ;;
1551 esac
1552
1553 enable $arch $subarch
1554
1555 # OS specific
1556 case $target_os in
1557 beos|haiku|zeta)
1558 prefix_default="$HOME/config"
1559 # helps building libavcodec
1560 add_cflags -DPIC -fomit-frame-pointer
1561 # 3 gcc releases known for BeOS, each with ugly bugs
1562 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1563 case "$gcc_version" in
1564 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1565 disable mmx
1566 ;;
1567 *20010315*) echo "BeBits gcc"
1568 add_cflags -fno-expensive-optimizations
1569 ;;
1570 esac
1571 SHFLAGS=-nostart
1572 # enable BeOS things
1573 enable audio_beos
1574 # no need for libm, but the inet stuff
1575 # Check for BONE
1576 # XXX: actually should check for NOT net_server
1577 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1578 network_extralibs="-lbind -lsocket"
1579 else
1580 enable beos_netserver
1581 network_extralibs="-lnet"
1582 fi ;;
1583 sunos)
1584 FFSERVERLDFLAGS=""
1585 SHFLAGS='-shared -Wl,-h,$$(@F)'
1586 network_extralibs="-lsocket -lnsl"
1587 add_cflags -D__EXTENSIONS__
1588 ;;
1589 netbsd)
1590 oss_demuxer_extralibs="-lossaudio"
1591 oss_muxer_extralibs="-lossaudio"
1592 ;;
1593 openbsd)
1594 disable need_memalign
1595 LIBOBJFLAGS='$(PIC)'
1596 SHFLAGS='-shared'
1597 oss_demuxer_extralibs="-lossaudio"
1598 oss_muxer_extralibs="-lossaudio"
1599 ;;
1600 freebsd)
1601 disable need_memalign
1602 ;;
1603 bsd/os)
1604 osextralibs="-lpoll -lgnugetopt"
1605 strip="strip -d"
1606 ;;
1607 darwin)
1608 disable need_memalign
1609 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1610 strip="strip -x"
1611 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1612 SLIBSUF=".dylib"
1613 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1614 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1615 FFSERVERLDFLAGS=-Wl,-bind_at_load
1616 objformat="macho"
1617 enabled x86_64 && objformat="macho64"
1618 ;;
1619 mingw32*)
1620 target_os=mingw32
1621 LIBTARGET=i386
1622 if enabled x86_64; then
1623 disable need_memalign
1624 LIBTARGET=x64
1625 fi
1626 shlibdir_default="$bindir_default"
1627 disable ffserver
1628 SLIBPREF=""
1629 SLIBSUF=".dll"
1630 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1631 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1632 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1633 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1634 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1635 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1636 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1637 objformat="win32"
1638 enable dos_paths
1639 check_cflags -fno-common
1640 if ! enabled x86_64; then
1641 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1642 die "ERROR: MinGW runtime version must be >= 3.15."
1643 enabled_any avisynth vfwcap_demuxer &&
1644 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1645 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1646 fi
1647 ;;
1648 cygwin*)
1649 target_os=cygwin
1650 shlibdir_default="$bindir_default"
1651 SLIBPREF="cyg"
1652 SLIBSUF=".dll"
1653 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1654 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1655 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1656 objformat="win32"
1657 enable dos_paths
1658 check_cflags -fno-common
1659 ;;
1660 *-dos|freedos|opendos)
1661 disable ffplay ffserver
1662 disable $INDEV_LIST $OUTDEV_LIST
1663 network_extralibs="-lsocket"
1664 objformat="coff"
1665 enable dos_paths
1666 ;;
1667 linux)
1668 enable dv1394
1669 ;;
1670 irix*)
1671 target_os=irix
1672 ranlib="echo ignoring ranlib"
1673 ;;
1674 os/2*)
1675 strip="lxlite"
1676 ln_s="cp -f"
1677 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1678 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1679 FFSERVERLDFLAGS=""
1680 LIBSUF="_s.a"
1681 SLIBPREF=""
1682 SLIBSUF=".dll"
1683 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1684 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1685 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1686 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1687 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1688 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1689 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1690 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1691 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1692 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1693 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1694 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1695 enable dos_paths
1696 ;;
1697
1698 *)
1699 die "Unknown OS '$target_os'."
1700 ;;
1701 esac
1702
1703 set_default $PATHS_LIST
1704
1705 add_extralibs $osextralibs
1706
1707 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1708 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1709
1710 # we need to build at least one lib type
1711 if ! enabled_any static shared; then
1712 cat <<EOF
1713 At least one library type must be built.
1714 Specify --enable-static to build the static libraries or --enable-shared to
1715 build the shared libraries as well. To only build the shared libraries specify
1716 --disable-static in addition to --enable-shared.
1717 EOF
1718 exit 1;
1719 fi
1720
1721 disabled static && LIBNAME=""
1722
1723 if enabled_any libfaad libfaadbin ; then
1724 if check_header faad.h; then
1725 check_cc <<EOF
1726 #include <faad.h>
1727 #ifndef FAAD2_VERSION
1728 ok faad1
1729 #endif
1730 int main(void) { return 0; }
1731 EOF
1732 test $? = 0 && enable libfaad2
1733 else
1734 die "FAAD test failed."
1735 fi
1736 fi
1737
1738
1739 die_license_disabled() {
1740 enabled $1 || enabled $2 && die "$2 is $1 and --enable-$1 is not specified."
1741 }
1742
1743 die_license_disabled gpl libfaad2
1744 die_license_disabled gpl libx264
1745 die_license_disabled gpl libxvid
1746 die_license_disabled gpl postproc
1747 die_license_disabled gpl x11grab
1748
1749 die_license_disabled nonfree libamr_nb
1750 die_license_disabled nonfree libamr_wb
1751 die_license_disabled nonfree libfaac
1752
1753
1754 check_deps $ARCH_EXT_LIST
1755
1756 test -z "$need_memalign" && need_memalign="$mmx"
1757
1758 #Darwin CC versions
1759 if test $target_os = darwin; then
1760 if enabled xlc; then
1761 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1762 else
1763 add_cflags -pipe
1764 check_cflags -force_cpusubtype_ALL
1765 check_cflags -Wno-sign-compare
1766 enabled shared || check_cflags -mdynamic-no-pic
1767 fi
1768 fi
1769
1770 disabled optimizations || check_cflags -fomit-frame-pointer
1771
1772 # Add processor-specific flags
1773 if test $cpu != "generic"; then
1774 warn_altivec(){
1775 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1776 }
1777 case $cpu in
1778 601|ppc601|PowerPC601)
1779 add_cflags -mcpu=601
1780 warn_altivec enabled PPC601
1781 ;;
1782 603*|ppc603*|PowerPC603*)
1783 add_cflags -mcpu=603
1784 warn_altivec enabled PPC603
1785 ;;
1786 604*|ppc604*|PowerPC604*)
1787 add_cflags -mcpu=604
1788 warn_altivec enabled PPC604
1789 ;;
1790 G3|g3|75*|ppc75*|PowerPC75*)
1791 add_cflags -mcpu=750 -mpowerpc-gfxopt
1792 warn_altivec enabled PPC75x
1793 ;;
1794 G4|g4|745*|ppc745*|PowerPC745*)
1795 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1796 warn_altivec disabled PPC745x
1797 ;;
1798 74*|ppc74*|PowerPC74*)
1799 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1800 warn_altivec disabled PPC74xx
1801 ;;
1802 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1803 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1804 warn_altivec disabled PPC970
1805 enable ppc64
1806 ;;
1807 Cell|CELL|cell)
1808 add_cflags -mcpu=cell
1809 warn_altivec disabled Cell
1810 enable ppc64 ldbrx
1811 ;;
1812 # targets that do NOT support conditional mov (cmov)
1813 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1814 add_cflags -march=$cpu
1815 disable cmov
1816 ;;
1817 # targets that do support conditional mov (cmov)
1818 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1819 add_cflags -march=$cpu
1820 enable cmov
1821 enable fast_cmov
1822 ;;
1823 # targets that do support conditional mov but on which it's slow
1824 pentium4|pentium4m|prescott|nocona)
1825 add_cflags -march=$cpu
1826 enable cmov
1827 disable fast_cmov
1828 ;;
1829 sparc64)
1830 add_cflags -mcpu=v9
1831 ;;
1832 arm11*|cortex*)
1833 add_cflags -mcpu=$cpu
1834 enable fast_unaligned
1835 ;;
1836 armv*)
1837 add_cflags -march=$cpu
1838 ;;
1839 arm*)
1840 add_cflags -mcpu=$cpu
1841 ;;
1842 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1843 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1844 ;;
1845 bf*)
1846 add_cflags -mcpu=$cpu
1847 ;;
1848 *)
1849 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1850 ;;
1851 esac
1852 fi
1853
1854 check_cc <<EOF || die "Symbol mangling check failed."
1855 int ff_extern;
1856 EOF
1857 sym=$($nm -P -g $TMPO | grep ff_extern)
1858 extern_prefix=${sym%%ff_extern*}
1859
1860 check_cc <<EOF && enable inline_asm
1861 void foo(void) { __asm__ volatile ("" ::); }
1862 EOF
1863
1864 if enabled x86; then
1865 # check whether EBP is available on x86
1866 # As 'i' is stored on the stack, this program will crash
1867 # if the base pointer is used to access it because the
1868 # base pointer is cleared in the inline assembly code.
1869 check_exec_crash <<EOF && enable ebp_available
1870 volatile int i=0;
1871 __asm__ volatile (
1872 "xorl %%ebp, %%ebp"
1873 ::: "%ebp");
1874 return i;
1875 EOF
1876
1877 # check wether EBX is available on x86
1878 check_asm ebx_available '"":::"%ebx"'
1879
1880 # check whether more than 10 operands are supported
1881 check_cc <<EOF && enable ten_operands
1882 int main(void) {
1883 int x=0;
1884 __asm__ volatile(
1885 ""
1886 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1887 );
1888 return 0;
1889 }
1890 EOF
1891
1892 # check whether binutils is new enough to compile SSSE3/MMX2
1893 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1894 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1895
1896 check_asm bswap '"bswap %%eax" ::: "%eax"'
1897
1898 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1899 enabled x86_64 && append YASMFLAGS "-m amd64"
1900 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1901 case "$objformat" in
1902 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1903 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1904 *) append YASMFLAGS "-DPREFIX" ;;
1905 esac
1906 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1907 fi
1908
1909 # check for assembler specific support
1910
1911 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1912 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1913 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1914
1915 # check for SIMD availability
1916
1917 # AltiVec flags: The FSF version of GCC differs from the Apple version
1918 if enabled altivec; then
1919 check_cflags -maltivec -mabi=altivec &&
1920 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1921 check_cflags -faltivec
1922
1923 # check if our compiler supports Motorola AltiVec C API
1924 check_cc <<EOF || disable altivec
1925 $inc_altivec_h
1926 int main(void) {
1927 vector signed int v1, v2, v3;
1928 v1 = vec_add(v2,v3);
1929 return 0;
1930 }
1931 EOF
1932
1933 # check if our compiler supports braces for vector declarations
1934 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1935 $inc_altivec_h
1936 int main (void) { (vector int) {1}; return 0; }
1937 EOF
1938 fi
1939
1940 # We have to check if pld is a nop and disable it.
1941 enabled arm && check_asm pld '"pld [r0]"'
1942 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1943 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1944 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1945 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1946 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1947 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1948 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1949 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1950
1951 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1952
1953 # ---
1954 # big/little-endian test
1955 check_cc <<EOF || die "endian test failed"
1956 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1957 EOF
1958 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1959
1960 # ---
1961 # check availability of some header files
1962
1963 if check_func dlopen; then
1964 ldl=
1965 elif check_func dlopen -ldl; then
1966 ldl=-ldl
1967 fi
1968
1969 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1970 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1971
1972 check_func fork
1973 check_func gethrtime
1974 check_func getrusage
1975 check_func inet_aton $network_extralibs
1976 check_func memalign
1977 check_func mkstemp
1978 check_func posix_memalign
1979 check_func_headers io.h setmode
1980 check_func_headers lzo/lzo1x.h lzo1x_999_compress
1981 check_func_headers windows.h GetProcessTimes
1982 check_func_headers windows.h VirtualAlloc
1983
1984 check_header conio.h
1985 check_header dlfcn.h
1986 check_header malloc.h
1987 check_header poll.h
1988 check_header sys/mman.h
1989 check_header sys/resource.h
1990 check_header sys/select.h
1991 check_header termios.h
1992 check_header vdpau/vdpau.h
1993 check_header vdpau/vdpau_x11.h
1994 check_header X11/extensions/XvMClib.h
1995
1996 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1997 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1998 fi
1999
2000 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2001 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2002
2003 # check for some common methods of building with pthread support
2004 # do this before the optional library checks as some of them require pthreads
2005 if enabled pthreads; then
2006 if check_func pthread_create; then
2007 :
2008 elif check_func pthread_create -pthread; then
2009 add_cflags -pthread
2010 add_extralibs -pthread
2011 elif check_func pthread_create -pthreads; then
2012 add_cflags -pthreads
2013 add_extralibs -pthreads
2014 elif check_func pthread_create -lpthreadGC2; then
2015 add_extralibs -lpthreadGC2
2016 elif ! check_lib pthread.h pthread_create -lpthread; then
2017 die "ERROR: can't find pthreads library"
2018 fi
2019 fi
2020
2021 for thread in $THREADS_LIST; do
2022 if enabled $thread; then
2023 test -n "$thread_type" &&
2024 die "ERROR: Only one thread type must be selected." ||
2025 thread_type="$thread"
2026 fi
2027 done
2028
2029 check_lib math.h sin -lm
2030 check_lib va/va.h vaInitialize -lva
2031
2032 # test for C99 functions in math.h
2033 for func in llrint lrint lrintf round roundf truncf; do
2034 check_exec <<EOF && enable $func || disable $func
2035 #include <math.h>
2036 int main(void) { return ($func(3.999f) > 0)?0:1; }
2037 EOF
2038 done
2039
2040 # these are off by default, so fail if requested and not available
2041 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2042 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Decoder_Interface_init -lamrnb -lm
2043 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2044 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2045 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2046 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2047 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2048 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2049 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2050 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2051 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2052 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2053 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2054 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2055 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2056 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2057 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2058 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2059 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2060 die "ERROR: libx264 version must be >= 0.65."; }
2061 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2062 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2063
2064 # libdc1394 check
2065 if enabled libdc1394; then
2066 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2067 enable libdc1394_2; } ||
2068 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2069 enable libdc1394_1; } ||
2070 die "ERROR: No version of libdc1394 found "
2071 fi
2072
2073
2074 _restrict=
2075 for restrict_keyword in restrict __restrict__ __restrict; do
2076 check_cc <<EOF && _restrict=$restrict_keyword && break
2077 void foo(char * $restrict_keyword p);
2078 EOF
2079 done
2080
2081 ##########################################
2082 # SDL check
2083
2084 disable sdl_too_old
2085 disable sdl
2086 SDL_CONFIG="${cross_prefix}sdl-config"
2087 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2088 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2089 temp_cflags $sdl_cflags
2090 temp_extralibs $("${SDL_CONFIG}" --libs)
2091 if check_lib2 SDL.h SDL_Init; then
2092 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2093 if test "$_sdlversion" -lt 121 ; then
2094 enable sdl_too_old
2095 else
2096 enable sdl
2097 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2098 #include <SDL.h>
2099 int main(int argc, char **argv){
2100 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2101 int w = vi->current_w;
2102 return 0;
2103 }
2104 EOF
2105 fi
2106 fi
2107 restore_flags
2108 fi
2109
2110 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2111
2112 ##########################################
2113 # Network check
2114
2115 if enabled network; then
2116 check_type "sys/types.h sys/socket.h" socklen_t
2117 # Prefer arpa/inet.h over winsock2
2118 if check_header arpa/inet.h ; then
2119 check_func closesocket
2120 elif check_header winsock2.h ; then
2121 network_extralibs="-lws2_32"
2122 check_type ws2tcpip.h socklen_t
2123 check_func_headers winsock2.h closesocket
2124 fi
2125 fi
2126
2127 ##########################################
2128 # IPv6 check
2129
2130 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2131 #include <sys/types.h>
2132 #include <sys/socket.h>
2133 #include <netinet/in.h>
2134 #include <netdb.h>
2135 int main(void) {
2136 struct sockaddr_storage saddr;
2137 struct ipv6_mreq mreq6;
2138 getaddrinfo(0,0,0,0);
2139 getnameinfo(0,0,0,0,0,0,0);
2140 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2141 }
2142 EOF
2143
2144 check_header linux/videodev.h
2145 check_header linux/videodev2.h
2146 check_header sys/videoio.h
2147
2148 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2149
2150 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2151 { check_header dev/bktr/ioctl_meteor.h &&
2152 check_header dev/bktr/ioctl_bt848.h; } ||
2153 { check_header machine/ioctl_meteor.h &&
2154 check_header machine/ioctl_bt848.h; } ||
2155 { check_header dev/video/meteor/ioctl_meteor.h &&
2156 check_header dev/video/bktr/ioctl_bt848.h; } ||
2157 check_header dev/ic/bt8xx.h
2158
2159 check_header sys/soundcard.h
2160 check_header soundcard.h
2161
2162 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2163
2164 check_lib2 jack/jack.h jack_client_open -ljack
2165
2166 # deal with the X11 frame grabber
2167 enabled x11grab &&
2168 check_header X11/Xlib.h &&
2169 check_header X11/extensions/XShm.h &&
2170 check_func XOpenDisplay -lX11 &&
2171 check_func XShmCreateImage -lX11 -lXext
2172
2173 enabled debug && add_cflags -g"$debuglevel"
2174
2175 # add some useful compiler flags if supported
2176 check_cflags -Wdeclaration-after-statement
2177 check_cflags -Wall
2178 check_cflags -Wno-switch
2179 check_cflags -Wdisabled-optimization
2180 check_cflags -Wpointer-arith
2181 check_cflags -Wredundant-decls
2182 check_cflags -Wno-pointer-sign
2183 check_cflags -Wcast-qual
2184 check_cflags -Wwrite-strings
2185 check_cflags -Wtype-limits
2186 check_cflags -Wundef
2187 enabled extra_warnings && check_cflags -Winline
2188
2189 # add some linker flags
2190 check_ldflags -Wl,--warn-common
2191 check_ldflags -Wl,--as-needed
2192 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'
2193 check_ldflags -Wl,-Bsymbolic
2194
2195 if enabled small; then
2196 check_cflags -Os # not all compilers support -Os
2197 optimizations="small"
2198 elif enabled optimizations; then
2199 if enabled xlc; then
2200 add_cflags -O5
2201 add_ldflags -O5
2202 elif enabled ccc; then
2203 add_cflags -fast
2204 else
2205 add_cflags -O3
2206 fi
2207 fi
2208 check_cflags -fno-math-errno
2209 check_cflags -fno-signed-zeros
2210
2211 # add some flags for Intel C Compiler
2212 if enabled icc; then
2213 # Just warnings, no remarks
2214 check_cflags -w1
2215 # -wd: Disable following warnings
2216 # 144, 167, 556: -Wno-pointer-sign
2217 # 10006: ignoring unknown option -fno-signed-zeros
2218 # 10156: ignoring option '-W'; no argument required
2219 check_cflags -wd144,167,556,10006,10156
2220 # 11030: Warning unknown option --as-needed
2221 # 10156: ignoring option '-export'; no argument required
2222 check_ldflags -wd10156,11030
2223 # Allow to compile with optimizations
2224 check_ldflags -march=$cpu
2225 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2226 enable ebp_available
2227 elif enabled ccc; then
2228 # disable some annoying warnings
2229 add_cflags -msg_disable cvtu32to64
2230 add_cflags -msg_disable embedcomment
2231 add_cflags -msg_disable needconstext
2232 add_cflags -msg_disable nomainieee
2233 add_cflags -msg_disable ptrmismatch1
2234 add_cflags -msg_disable unreachcode
2235 fi
2236
2237 # PIC flags for shared library objects where they are needed
2238 if enabled shared; then
2239 # LIBOBJFLAGS may have already been set in the OS configuration
2240 if test -z "$LIBOBJFLAGS" ; then
2241 case "${subarch-$arch}" in
2242 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2243 esac
2244 fi
2245 fi
2246
2247 if enabled gprof; then
2248 add_cflags -p
2249 add_ldflags -p
2250 fi
2251
2252 # Find out if the .align argument is a power of two or not.
2253 check_asm asmalign_pot '".align 3"'
2254
2255 enabled_any $DECODER_LIST && enable decoders
2256 enabled_any $ENCODER_LIST && enable encoders
2257 enabled_any $HWACCEL_LIST && enable hwaccels
2258 enabled_any $BSF_LIST && enable bsfs
2259 enabled_any $DEMUXER_LIST && enable demuxers
2260 enabled_any $MUXER_LIST && enable muxers
2261 enabled_any $FILTER_LIST && enable filters
2262 enabled_any $INDEV_LIST && enable demuxers
2263 enabled_any $OUTDEV_LIST && enable muxers
2264 enabled_any $PROTOCOL_LIST && enable protocols
2265
2266 enabled_any $THREADS_LIST && enable threads
2267
2268 check_deps $CONFIG_LIST \
2269 $CONFIG_EXTRA \
2270 $HAVE_LIST \
2271 $DECODER_LIST \
2272 $ENCODER_LIST \
2273 $HWACCEL_LIST \
2274 $PARSER_LIST \
2275 $BSF_LIST \
2276 $DEMUXER_LIST \
2277 $MUXER_LIST \
2278 $FILTER_LIST \
2279 $INDEV_LIST \
2280 $OUTDEV_LIST \
2281 $PROTOCOL_LIST \
2282
2283 echo "install prefix $prefix"
2284 echo "source path $source_path"
2285 echo "C compiler $cc"
2286 echo ".align is power-of-two $asmalign_pot"
2287 echo "ARCH $arch ($cpu)"
2288 if test "$build_suffix" != ""; then
2289 echo "build suffix $build_suffix"
2290 fi
2291 if test "$extra_version" != ""; then
2292 echo "version string suffix $extra_version"
2293 fi
2294 echo "big-endian ${bigendian-no}"
2295 echo "runtime cpu detection ${runtime_cpudetect-no}"
2296 if enabled x86; then
2297 echo "yasm ${yasm-no}"
2298 echo "MMX enabled ${mmx-no}"
2299 echo "MMX2 enabled ${mmx2-no}"
2300 echo "3DNow! enabled ${amd3dnow-no}"
2301 echo "3DNow! extended enabled ${amd3dnowext-no}"
2302 echo "SSE enabled ${sse-no}"
2303 echo "SSSE3 enabled ${ssse3-no}"
2304 echo "CMOV enabled ${cmov-no}"
2305 echo "CMOV is fast ${fast_cmov-no}"
2306 echo "EBX available ${ebx_available-no}"
2307 echo "EBP available ${ebp_available-no}"
2308 echo "10 operands supported ${ten_operands-no}"
2309 fi
2310 if enabled arm; then
2311 echo "ARMv5TE enabled ${armv5te-no}"
2312 echo "ARMv6 enabled ${armv6-no}"
2313 echo "ARMv6T2 enabled ${armv6t2-no}"
2314 echo "ARM VFP enabled ${armvfp-no}"
2315 echo "IWMMXT enabled ${iwmmxt-no}"
2316 echo "NEON enabled ${neon-no}"
2317 fi
2318 if enabled mips; then
2319 echo "MMI enabled ${mmi-no}"
2320 fi
2321 if enabled ppc; then
2322 echo "AltiVec enabled ${altivec-no}"
2323 echo "PPC 4xx optimizations ${ppc4xx-no}"
2324 echo "dcbzl available ${dcbzl-no}"
2325 echo "performance report ${powerpc_perf-no}"
2326 fi
2327 if enabled sparc; then
2328 echo "VIS enabled ${vis-no}"
2329 fi
2330 echo "gprof enabled ${gprof-no}"
2331 echo "debug symbols ${debug-no}"
2332 echo "strip symbols ${stripping-no}"
2333 echo "optimizations ${optimizations-no}"
2334 echo "static ${static-no}"
2335 echo "shared ${shared-no}"
2336 echo "postprocessing support ${postproc-no}"
2337 echo "new filter support ${avfilter-no}"
2338 echo "filters using lavformat ${avfilter_lavf-no}"
2339 echo "network support ${network-no}"
2340 if enabled network; then
2341 echo "IPv6 support ${ipv6-no}"
2342 fi
2343 echo "threading support ${thread_type-no}"
2344 echo "SDL support ${sdl-no}"
2345 if enabled sdl_too_old; then
2346 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2347 fi
2348 echo "Sun medialib support ${mlib-no}"
2349 echo "AVISynth enabled ${avisynth-no}"
2350 echo "libamr-nb support ${libamr_nb-no}"
2351 echo "libamr-wb support ${libamr_wb-no}"
2352 echo "libdc1394 support ${libdc1394-no}"
2353 echo "libdirac enabled ${libdirac-no}"
2354 echo "libfaac enabled ${libfaac-no}"
2355 echo "libfaad enabled ${libfaad-no}"
2356 echo "libfaad dlopened ${libfaadbin-no}"
2357 echo "libgsm enabled ${libgsm-no}"
2358 echo "libmp3lame enabled ${libmp3lame-no}"
2359 echo "libnut enabled ${libnut-no}"
2360 echo "libopenjpeg enabled ${libopenjpeg-no}"
2361 echo "libschroedinger enabled ${libschroedinger-no}"
2362 echo "libspeex enabled ${libspeex-no}"
2363 echo "libtheora enabled ${libtheora-no}"
2364 echo "libvorbis enabled ${libvorbis-no}"
2365 echo "libx264 enabled ${libx264-no}"
2366 echo "libxvid enabled ${libxvid-no}"
2367 echo "zlib enabled ${zlib-no}"
2368 echo "bzlib enabled ${bzlib-no}"
2369 echo
2370
2371 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2372 echo "Enabled ${type}s:"
2373 eval list=\$$(toupper $type)_LIST
2374 for part in $list; do
2375 enabled $part && echo ${part%_*}
2376 done | sort | pr -3 -t
2377 echo
2378 done
2379
2380 license="LGPL"
2381 if enabled nonfree; then
2382 license="unredistributable"
2383 elif enabled gpl; then
2384 license="GPL"
2385 fi
2386
2387 echo "License: $license"
2388
2389 echo "Creating config.mak and config.h..."
2390
2391 echo "# Automatically generated by configure - do not modify!" > config.mak
2392 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2393 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2394 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2395 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2396 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2397
2398 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2399 echo "prefix=$prefix" >> config.mak
2400 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2401 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2402 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2403 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2404 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2405 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2406 echo "SRC_PATH=\"$source_path\"" >> config.mak
2407 echo "SRC_PATH_BARE=$source_path" >> config.mak
2408 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2409 echo "CC=$cc" >> config.mak
2410 echo "AS=$as" >> config.mak
2411 echo "YASM=$yasmexe" >> config.mak
2412 echo "AR=$ar" >> config.mak
2413 echo "RANLIB=$ranlib" >> config.mak
2414 echo "LN_S=$ln_s" >> config.mak
2415 enabled stripping &&
2416 echo "STRIP=$strip" >> config.mak ||
2417 echo "STRIP=echo ignoring strip" >> config.mak
2418
2419 echo "OPTFLAGS=$CFLAGS" >> config.mak
2420 echo "LDFLAGS=$LDFLAGS" >> config.mak
2421 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2422 echo "SHFLAGS=$SHFLAGS" >> config.mak
2423 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2424 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2425 echo "BUILD_STATIC=$static" >> config.mak
2426 echo "BUILDSUF=$build_suffix" >> config.mak
2427 echo "FULLNAME=$FULLNAME" >> config.mak
2428 echo "LIBPREF=$LIBPREF" >> config.mak
2429 echo "LIBSUF=$LIBSUF" >> config.mak
2430 echo "LIBNAME=$LIBNAME" >> config.mak
2431 echo "SLIBPREF=$SLIBPREF" >> config.mak
2432 echo "SLIBSUF=$SLIBSUF" >> config.mak
2433 echo "EXESUF=$EXESUF" >> config.mak
2434 echo "EXTRA_VERSION=$extra_version" >> config.mak
2435 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2436 echo "HOSTCC=$host_cc" >> config.mak
2437 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2438 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2439 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2440 echo "HOSTLIBS=$host_libs" >> config.mak
2441 echo "TARGET_EXEC=$target_exec" >> config.mak
2442 echo "TARGET_PATH=$target_path" >> config.mak
2443
2444 if enabled bigendian; then
2445 echo "WORDS_BIGENDIAN=yes" >> config.mak
2446 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2447 fi
2448
2449 if enabled sdl; then
2450 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2451 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2452 fi
2453 if enabled texi2html; then
2454 echo "BUILD_DOC=yes" >> config.mak
2455 fi
2456
2457 get_version(){
2458 name=$1
2459 file=$source_path/$2
2460 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2461 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2462 lcname=$(tolower $name)
2463 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2464 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2465 }
2466
2467 get_version LIBSWSCALE libswscale/swscale.h
2468 get_version LIBPOSTPROC libpostproc/postprocess.h
2469 get_version LIBAVCODEC libavcodec/avcodec.h
2470 get_version LIBAVDEVICE libavdevice/avdevice.h
2471 get_version LIBAVFORMAT libavformat/avformat.h
2472 get_version LIBAVUTIL libavutil/avutil.h
2473 get_version LIBAVFILTER libavfilter/avfilter.h
2474
2475 if enabled shared; then
2476 echo "BUILD_SHARED=yes" >> config.mak
2477 echo "PIC=-fPIC -DPIC" >> config.mak
2478 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2479 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2480 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2481 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2482 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2483 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2484 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2485 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2486 fi
2487 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2488 echo "EXTRALIBS=$extralibs" >> config.mak
2489
2490 echo "ARCH=$arch" >> config.mak
2491
2492 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2493 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2494 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2495 $CONFIG_EXTRA \
2496 $DECODER_LIST \
2497 $ENCODER_LIST \
2498 $HWACCEL_LIST \
2499 $PARSER_LIST \
2500 $BSF_LIST \
2501 $DEMUXER_LIST \
2502 $MUXER_LIST \
2503 $FILTER_LIST \
2504 $PROTOCOL_LIST \
2505 $INDEV_LIST \
2506 $OUTDEV_LIST \
2507
2508 echo "#define restrict $_restrict" >> $TMPH
2509
2510 if enabled small; then
2511 echo "#define av_always_inline" >> $TMPH
2512 fi
2513
2514
2515 # Apparently it's not possible to portably echo a backslash.
2516 enabled asmalign_pot &&
2517 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2518 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2519
2520 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2521
2522 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2523
2524 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2525 cmp -s $TMPH config.h &&
2526 echo "config.h is unchanged" ||
2527 mv -f $TMPH config.h
2528
2529 # build tree in object directory if source path is different from current one
2530 if enabled source_path_used; then
2531 DIRS="\
2532 doc \
2533 libavcodec \
2534 libavcodec/alpha \
2535 libavcodec/arm \
2536 libavcodec/bfin \
2537 libavcodec/mlib \
2538 libavcodec/ppc \
2539 libavcodec/sh4 \
2540 libavcodec/sparc \
2541 libavcodec/x86 \
2542 libavdevice \
2543 libavfilter \
2544 libavformat \
2545 libavutil \
2546 libpostproc \
2547 libswscale \
2548 libswscale/bfin \
2549 libswscale/mlib \
2550 libswscale/ppc \
2551 libswscale/sparc \
2552 libswscale/x86 \
2553 tests \
2554 tools \
2555 "
2556 FILES="\
2557 Makefile \
2558 common.mak \
2559 subdir.mak \
2560 doc/texi2pod.pl \
2561 libavcodec/Makefile \
2562 libavdevice/Makefile \
2563 libavfilter/Makefile \
2564 libavformat/Makefile \
2565 libavutil/Makefile \
2566 libpostproc/Makefile \
2567 libswscale/Makefile \
2568 "
2569 for dir in $DIRS ; do
2570 mkdir -p $dir
2571 done
2572 for f in $FILES ; do
2573 $ln_s "$source_path/$f" $f
2574 done
2575 fi
2576
2577
2578 # build pkg-config files
2579
2580 pkgconfig_generate(){
2581 name=$1
2582 shortname=${name#lib}${build_suffix}
2583 comment=$2
2584 version=$3
2585 libs=$4
2586 requires=$5
2587 cat <<EOF > $name/$name.pc
2588 prefix=$prefix
2589 exec_prefix=\${prefix}
2590 libdir=$libdir
2591 includedir=$incdir
2592
2593 Name: $name
2594 Description: $comment
2595 Version: $version
2596 Requires: $(disabled shared && echo $requires)
2597 Requires.private: $(enabled shared && echo $requires)
2598 Conflicts:
2599 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2600 Libs.private: $(enabled shared && echo $libs)
2601 Cflags: -I\${includedir}
2602 EOF
2603 cat <<EOF > $name/$name-uninstalled.pc
2604 prefix=
2605 exec_prefix=
2606 libdir=\${pcfiledir}
2607 includedir=${source_path}
2608
2609 Name: $name
2610 Description: $comment
2611 Version: $version
2612 Requires: $requires
2613 Conflicts:
2614 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2615 Cflags: -I\${includedir}
2616 EOF
2617 }
2618
2619 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2620 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2621 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2622 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2623 enabled avfilter &&
2624 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2625 enabled postproc &&
2626 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2627 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"