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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 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
86 --disable-avdevice disable libavdevice build
87 --disable-avcodec disable libavcodec build
88 --disable-avformat disable libavformat build
89 --disable-swscale disable libswscale build
90 --enable-postproc enable GPLed postprocessing support [no]
91 --enable-avfilter video filter support [no]
92 --enable-avfilter-lavf video filters dependent on avformat [no]
93 --enable-beosthreads use BeOS threads [no]
94 --enable-os2threads use OS/2 threads [no]
95 --enable-pthreads use pthreads [no]
96 --enable-w32threads use Win32 threads [no]
97 --enable-x11grab enable X11 grabbing [no]
98 --disable-network disable network support [no]
99 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
100 --enable-gray enable full grayscale support (slower color)
101 --disable-swscale-alpha disable alpha channel support in swscale
102 --disable-fastdiv disable table-based division
103 --enable-small optimize for size instead of speed
104 --disable-aandct disable AAN DCT code
105 --disable-dct disable DCT code
106 --disable-fft disable FFT code
107 --disable-golomb disable Golomb code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --enable-beos-netserver enable BeOS netserver
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfaad enable FAAD support via libfaad [no]
172 --enable-libfaadbin open libfaad.so.0 at runtime [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
183 --enable-libx264 enable H.264 encoding via x264 [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189 Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
216 --disable-asm disable all assembler optimizations
217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
234 --malloc-prefix=PFX prefix malloc and related names with PFX
235
236 Developer options (useful when working on FFmpeg itself):
237 --disable-debug disable debugging symbols
238 --enable-debug=LEVEL set the debug level [$debuglevel]
239 --enable-gprof enable profiling with gprof [$gprof]
240 --disable-optimizations disable compiler optimizations
241 --enable-extra-warnings enable more compiler warnings
242 --disable-stripping disable stripping of executables and shared libraries
243
244 NOTE: Object files are built at the place where configure is launched.
245 EOF
246 exit 0
247 }
248
249 log(){
250 echo "$@" >> $logfile
251 }
252
253 log_file(){
254 log BEGIN $1
255 pr -n -t $1 >> $logfile
256 log END $1
257 }
258
259 echolog(){
260 log "$@"
261 echo "$@"
262 }
263
264 die(){
265 echolog "$@"
266 cat <<EOF
267
268 If you think configure made a mistake, make sure you are using the latest
269 version from SVN. If the latest version fails, report the problem to the
270 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
271 EOF
272 if disabled logging; then
273 cat <<EOF
274 Rerun configure with logging enabled (do not use --disable-logging), and
275 include the log this produces with your report.
276 EOF
277 else
278 cat <<EOF
279 Include the log file "$logfile" produced by configure as this will help
280 solving the problem.
281 EOF
282 fi
283 exit 1
284 }
285
286 # Avoid locale weirdness, besides we really just want to translate ASCII.
287 toupper(){
288 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
289 }
290
291 tolower(){
292 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
293 }
294
295 c_escape(){
296 echo "$*" | sed 's/["\\]/\\\0/g'
297 }
298
299 sh_quote(){
300 v=$(echo "$1" | sed "s/'/'\\\\''/g")
301 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
302 echo "$v"
303 }
304
305 filter(){
306 pat=$1
307 shift
308 for v; do
309 eval "case $v in $pat) echo $v ;; esac"
310 done
311 }
312
313 set_all(){
314 value=$1
315 shift
316 for var in $*; do
317 eval $var=$value
318 done
319 }
320
321 set_weak(){
322 value=$1
323 shift
324 for var; do
325 eval : \${$var:=$value}
326 done
327 }
328
329 pushvar(){
330 for var in $*; do
331 eval level=\${${var}_level:=0}
332 eval ${var}_${level}="\$$var"
333 eval ${var}_level=$(($level+1))
334 done
335 }
336
337 popvar(){
338 for var in $*; do
339 eval level=\${${var}_level:-0}
340 test $level = 0 && continue
341 eval level=$(($level-1))
342 eval $var="\${${var}_${level}}"
343 eval ${var}_level=$level
344 eval unset ${var}_${level}
345 done
346 }
347
348 enable(){
349 set_all yes $*
350 }
351
352 disable(){
353 set_all no $*
354 }
355
356 enable_weak(){
357 set_weak yes $*
358 }
359
360 disable_weak(){
361 set_weak no $*
362 }
363
364 enable_safe(){
365 for var; do
366 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
367 done
368 }
369
370 disable_safe(){
371 for var; do
372 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
373 done
374 }
375
376 do_enable_deep(){
377 for var; do
378 enabled $var && continue
379 eval sel="\$${var}_select"
380 eval sgs="\$${var}_suggest"
381 pushvar var sgs
382 enable_deep $sel
383 popvar sgs
384 enable_deep_weak $sgs
385 popvar var
386 done
387 }
388
389 enable_deep(){
390 do_enable_deep $*
391 enable $*
392 }
393
394 enable_deep_weak(){
395 do_enable_deep $*
396 enable_weak $*
397 }
398
399 enabled(){
400 test "${1#!}" = "$1" && op== || op=!=
401 eval test "x\$${1#!}" $op "xyes"
402 }
403
404 disabled(){
405 test "${1#!}" = "$1" && op== || op=!=
406 eval test "x\$${1#!}" $op "xno"
407 }
408
409 enabled_all(){
410 for opt; do
411 enabled $opt || return 1
412 done
413 }
414
415 disabled_all(){
416 for opt; do
417 disabled $opt || return 1
418 done
419 }
420
421 enabled_any(){
422 for opt; do
423 enabled $opt && return 0
424 done
425 }
426
427 disabled_any(){
428 for opt; do
429 disabled $opt && return 0
430 done
431 return 1
432 }
433
434 set_default(){
435 for opt; do
436 eval : \${$opt:=\$${opt}_default}
437 done
438 }
439
440 is_in(){
441 value=$1
442 shift
443 for var in $*; do
444 [ $var = $value ] && return 0
445 done
446 return 1
447 }
448
449 check_deps(){
450 for cfg; do
451 cfg="${cfg#!}"
452 enabled ${cfg}_checking && die "Circular dependency for $cfg."
453 disabled ${cfg}_checking && continue
454 enable ${cfg}_checking
455
456 eval dep_all="\$${cfg}_deps"
457 eval dep_any="\$${cfg}_deps_any"
458 eval dep_sel="\$${cfg}_select"
459 eval dep_sgs="\$${cfg}_suggest"
460 eval dep_ifa="\$${cfg}_if"
461 eval dep_ifn="\$${cfg}_if_any"
462
463 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
464 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
465 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
466
467 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
468 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
469 enabled_all $dep_all || disable $cfg
470 enabled_any $dep_any || disable $cfg
471 disabled_any $dep_sel && disable $cfg
472
473 if enabled $cfg; then
474 eval dep_extralibs="\$${cfg}_extralibs"
475 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
476 enable_deep $dep_sel
477 enable_deep_weak $dep_sgs
478 fi
479
480 disable ${cfg}_checking
481 done
482 }
483
484 print_config(){
485 pfx=$1
486 header=$2
487 makefile=$3
488 shift 3
489 for cfg; do
490 ucname="$(toupper $cfg)"
491 if enabled $cfg; then
492 echo "#define ${pfx}${ucname} 1" >> $header
493 echo "${pfx}${ucname}=yes" >> $makefile
494 else
495 echo "#define ${pfx}${ucname} 0" >> $header
496 echo "!${pfx}${ucname}=yes" >> $makefile
497 fi
498 done
499 }
500
501 flags_saved(){
502 (: ${SAVE_CFLAGS?}) 2> /dev/null
503 }
504
505 save_flags(){
506 flags_saved && return
507 SAVE_CFLAGS="$CFLAGS"
508 SAVE_LDFLAGS="$LDFLAGS"
509 SAVE_extralibs="$extralibs"
510 }
511
512 restore_flags(){
513 flags_saved || return
514 CFLAGS="$SAVE_CFLAGS"
515 LDFLAGS="$SAVE_LDFLAGS"
516 extralibs="$SAVE_extralibs"
517 unset SAVE_CFLAGS
518 unset SAVE_LDFLAGS
519 unset SAVE_extralibs
520 }
521
522 temp_cflags(){
523 save_flags
524 CFLAGS="$CFLAGS $*"
525 }
526
527 temp_ldflags(){
528 save_flags
529 LDFLAGS="$LDFLAGS $*"
530 }
531
532 temp_extralibs(){
533 save_flags
534 extralibs="$extralibs $*"
535 }
536
537 append(){
538 var=$1
539 shift
540 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
541 eval "$var=\"\$$var $*\""
542 }
543
544 add_cppflags(){
545 append CPPFLAGS $($filter_cppflags "$@")
546 }
547
548 add_cflags(){
549 append CFLAGS $($filter_cflags "$@")
550 }
551
552 add_asflags(){
553 append ASFLAGS $($filter_asflags "$@")
554 }
555
556 add_ldflags(){
557 append LDFLAGS "$@"
558 }
559
560 add_extralibs(){
561 append extralibs "$@"
562 }
563
564 check_cmd(){
565 log "$@"
566 "$@" >> $logfile 2>&1
567 }
568
569 check_cc(){
570 log check_cc "$@"
571 cat > $TMPC
572 log_file $TMPC
573 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
574 }
575
576 check_cpp(){
577 log check_cpp "$@"
578 cat > $TMPC
579 log_file $TMPC
580 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
581 }
582
583 check_as(){
584 log check_as "$@"
585 cat > $TMPC
586 log_file $TMPC
587 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
588 }
589
590 check_asm(){
591 log check_asm "$@"
592 name="$1"
593 code="$2"
594 shift 2
595 disable $name
596 check_as "$@" <<EOF && enable $name
597 void foo(void){ __asm__ volatile($code); }
598 EOF
599 }
600
601 check_yasm(){
602 log check_yasm "$@"
603 echo "$1" > $TMPS
604 log_file $TMPS
605 shift 1
606 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
607 }
608
609 check_ld(){
610 log check_ld "$@"
611 flags=''
612 libs=''
613 for f; do
614 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
615 done
616 check_cc $($filter_cflags $flags) || return
617 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
618 }
619
620 check_cppflags(){
621 log check_cppflags "$@"
622 set -- $($filter_cppflags "$@")
623 check_cc "$@" <<EOF && append CPPFLAGS "$@"
624 int x;
625 EOF
626 }
627
628 check_cflags(){
629 log check_cflags "$@"
630 set -- $($filter_cflags "$@")
631 check_cc "$@" <<EOF && append CFLAGS "$@"
632 int x;
633 EOF
634 }
635
636 test_ldflags(){
637 log test_ldflags "$@"
638 check_ld "$@" <<EOF
639 int main(void){ return 0; }
640 EOF
641 }
642
643 check_ldflags(){
644 log check_ldflags "$@"
645 test_ldflags "$@" && add_ldflags "$@"
646 }
647
648 check_header(){
649 log check_header "$@"
650 header=$1
651 shift
652 disable_safe $header
653 check_cpp "$@" <<EOF && enable_safe $header
654 #include <$header>
655 int x;
656 EOF
657 }
658
659 check_func(){
660 log check_func "$@"
661 func=$1
662 shift
663 disable $func
664 check_ld "$@" <<EOF && enable $func
665 extern int $func();
666 int main(void){ $func(); }
667 EOF
668 }
669
670 check_func_headers(){
671 log check_func_headers "$@"
672 headers=$1
673 func=$2
674 shift 2
675 disable $func
676 incs=""
677 for hdr in $headers; do
678 incs="$incs
679 #include <$hdr>"
680 done
681 check_ld "$@" <<EOF && enable $func && enable_safe $headers
682 $incs
683 int main(int argc, char **argv){
684 return (long) $func;
685 }
686 EOF
687 }
688
689 check_cpp_condition(){
690 log check_cpp_condition "$@"
691 header=$1
692 condition=$2
693 shift 2
694 check_cpp $($filter_cppflags "$@") <<EOF
695 #include <$header>
696 #if !($condition)
697 #error "unsatisfied condition: $condition"
698 #endif
699 EOF
700 }
701
702 check_lib(){
703 log check_lib "$@"
704 header="$1"
705 func="$2"
706 shift 2
707 temp_extralibs "$@"
708 check_header $header && check_func $func && add_extralibs "$@"
709 err=$?
710 restore_flags
711 return $err
712 }
713
714 check_lib2(){
715 log check_lib2 "$@"
716 headers="$1"
717 func="$2"
718 shift 2
719 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
720 }
721
722 check_exec(){
723 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
724 }
725
726 check_exec_crash(){
727 code=$(cat)
728
729 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
730 # are safe but may not be available everywhere. Thus we use
731 # raise(SIGTERM) instead. The check is run in a subshell so we
732 # can redirect the "Terminated" message from the shell. SIGBUS
733 # is not defined by standard C so it is used conditionally.
734
735 (check_exec "$@") >> $logfile 2>&1 <<EOF
736 #include <signal.h>
737 static void sighandler(int sig){
738 raise(SIGTERM);
739 }
740 int main(void){
741 signal(SIGILL, sighandler);
742 signal(SIGFPE, sighandler);
743 signal(SIGSEGV, sighandler);
744 #ifdef SIGBUS
745 signal(SIGBUS, sighandler);
746 #endif
747 { $code }
748 }
749 EOF
750 }
751
752 check_type(){
753 log check_type "$@"
754 headers=$1
755 type=$2
756 shift 2
757 disable_safe "$type"
758 incs=""
759 for hdr in $headers; do
760 incs="$incs
761 #include <$hdr>"
762 done
763 check_cc "$@" <<EOF && enable_safe "$type"
764 $incs
765 $type v;
766 EOF
767 }
768
769 check_struct(){
770 log check_type "$@"
771 headers=$1
772 struct=$2
773 member=$3
774 shift 3
775 disable_safe "${struct}_${member}"
776 incs=""
777 for hdr in $headers; do
778 incs="$incs
779 #include <$hdr>"
780 done
781 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
782 $incs
783 const void *p = &(($struct *)0)->$member;
784 EOF
785 }
786
787 require(){
788 name="$1"
789 header="$2"
790 func="$3"
791 shift 3
792 check_lib $header $func "$@" || die "ERROR: $name not found"
793 }
794
795 require2(){
796 name="$1"
797 headers="$2"
798 func="$3"
799 shift 3
800 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
801 }
802
803 check_foo_config(){
804 cfg=$1
805 pkg=$2
806 header=$3
807 func=$4
808 shift 4
809 disable $cfg
810 check_cmd ${pkg}-config --version
811 err=$?
812 if test "$err" = 0; then
813 temp_cflags $(${pkg}-config --cflags)
814 temp_extralibs $(${pkg}-config --libs)
815 check_lib "$@" $header $func && enable $cfg
816 fi
817 return $err
818 }
819
820 check_host_cc(){
821 log check_host_cc "$@"
822 cat > $TMPC
823 log_file $TMPC
824 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
825 }
826
827 check_host_cflags(){
828 log check_host_cflags "$@"
829 check_host_cc "$@" <<EOF && append host_cflags "$@"
830 int x;
831 EOF
832 }
833
834 apply(){
835 file=$1
836 shift
837 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
838 }
839
840 cp_if_changed(){
841 cmp -s "$1" "$2" &&
842 echo "$2 is unchanged" ||
843 cp -f "$1" "$2"
844 }
845
846 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
847 # system-dependent things.
848
849 COMPONENT_LIST="
850 bsfs
851 decoders
852 demuxers
853 encoders
854 filters
855 hwaccels
856 indevs
857 muxers
858 outdevs
859 parsers
860 protocols
861 "
862
863 CONFIG_LIST="
864 $COMPONENT_LIST
865 aandct
866 avcodec
867 avdevice
868 avfilter
869 avfilter_lavf
870 avformat
871 avisynth
872 beos_netserver
873 bzlib
874 dct
875 doc
876 dxva2
877 fastdiv
878 ffmpeg
879 ffplay
880 ffserver
881 fft
882 golomb
883 gpl
884 gprof
885 gray
886 hardcoded_tables
887 libdc1394
888 libdirac
889 libfaac
890 libfaad
891 libfaadbin
892 libgsm
893 libmp3lame
894 libnut
895 libopencore_amrnb
896 libopencore_amrwb
897 libopenjpeg
898 libschroedinger
899 libspeex
900 libtheora
901 libvorbis
902 libx264
903 libxvid
904 lpc
905 mdct
906 memalign_hack
907 mlib
908 mpegaudio_hp
909 network
910 nonfree
911 pic
912 postproc
913 powerpc_perf
914 rdft
915 runtime_cpudetect
916 shared
917 small
918 static
919 swscale
920 swscale_alpha
921 vaapi
922 vdpau
923 version3
924 x11grab
925 zlib
926 "
927
928 THREADS_LIST='
929 beosthreads
930 os2threads
931 pthreads
932 w32threads
933 '
934
935 ARCH_LIST='
936 alpha
937 arm
938 avr32
939 avr32_ap
940 avr32_uc
941 bfin
942 ia64
943 m68k
944 mips
945 mips64
946 parisc
947 ppc
948 ppc64
949 s390
950 sh4
951 sparc
952 sparc64
953 x86
954 x86_32
955 x86_64
956 '
957
958 ARCH_EXT_LIST='
959 altivec
960 amd3dnow
961 amd3dnowext
962 armv5te
963 armv6
964 armv6t2
965 armvfp
966 iwmmxt
967 mmi
968 mmx
969 mmx2
970 neon
971 ppc4xx
972 sse
973 ssse3
974 vis
975 '
976
977 HAVE_LIST_PUB='
978 bigendian
979 '
980
981 HAVE_LIST="
982 $ARCH_EXT_LIST
983 $HAVE_LIST_PUB
984 $THREADS_LIST
985 alsa_asoundlib_h
986 altivec_h
987 arpa_inet_h
988 attribute_may_alias
989 attribute_packed
990 bswap
991 closesocket
992 cmov
993 conio_h
994 dcbzl
995 dev_bktr_ioctl_bt848_h
996 dev_bktr_ioctl_meteor_h
997 dev_ic_bt8xx_h
998 dev_video_meteor_ioctl_meteor_h
999 dev_video_bktr_ioctl_bt848_h
1000 dlfcn_h
1001 dlopen
1002 dos_paths
1003 ebp_available
1004 ebx_available
1005 exp2
1006 exp2f
1007 fast_64bit
1008 fast_clz
1009 fast_cmov
1010 fast_unaligned
1011 fork
1012 getaddrinfo
1013 gethrtime
1014 GetProcessTimes
1015 getrusage
1016 inet_aton
1017 inline_asm
1018 isatty
1019 ldbrx
1020 libdc1394_1
1021 libdc1394_2
1022 llrint
1023 log2
1024 log2f
1025 loongson
1026 lrint
1027 lrintf
1028 lzo1x_999_compress
1029 machine_ioctl_bt848_h
1030 machine_ioctl_meteor_h
1031 malloc_h
1032 memalign
1033 mkstemp
1034 pld
1035 posix_memalign
1036 round
1037 roundf
1038 sdl
1039 sdl_video_size
1040 setmode
1041 socklen_t
1042 soundcard_h
1043 poll_h
1044 struct_addrinfo
1045 struct_ipv6_mreq
1046 struct_sockaddr_in6
1047 struct_sockaddr_sa_len
1048 struct_sockaddr_storage
1049 sys_mman_h
1050 sys_resource_h
1051 sys_select_h
1052 sys_soundcard_h
1053 sys_videoio_h
1054 ten_operands
1055 termios_h
1056 threads
1057 truncf
1058 vfp_args
1059 VirtualAlloc
1060 winsock2_h
1061 xform_asm
1062 yasm
1063 "
1064
1065 # options emitted with CONFIG_ prefix but not available on command line
1066 CONFIG_EXTRA="
1067 avutil
1068 gplv3
1069 lgplv3
1070 "
1071
1072 CMDLINE_SELECT="
1073 $ARCH_EXT_LIST
1074 $CONFIG_LIST
1075 $THREADS_LIST
1076 asm
1077 cross_compile
1078 debug
1079 extra_warnings
1080 logging
1081 optimizations
1082 stripping
1083 yasm
1084 "
1085
1086 PATHS_LIST='
1087 bindir
1088 datadir
1089 incdir
1090 libdir
1091 mandir
1092 prefix
1093 shlibdir
1094 '
1095
1096 CMDLINE_SET="
1097 $PATHS_LIST
1098 arch
1099 as
1100 build_suffix
1101 cc
1102 cpu
1103 cross_prefix
1104 dep_cc
1105 extra_version
1106 host_cc
1107 host_cflags
1108 host_ldflags
1109 host_libs
1110 host_os
1111 ld
1112 logfile
1113 malloc_prefix
1114 nm
1115 source_path
1116 sysinclude
1117 sysroot
1118 target_exec
1119 target_os
1120 target_path
1121 "
1122
1123 CMDLINE_APPEND="
1124 extra_cflags
1125 "
1126
1127 # code dependency declarations
1128
1129 # architecture extensions
1130
1131 armv5te_deps="arm"
1132 armv6_deps="arm"
1133 armv6t2_deps="arm"
1134 armvfp_deps="arm"
1135 iwmmxt_deps="arm"
1136 neon_deps="arm"
1137
1138 mmi_deps="mips"
1139
1140 altivec_deps="ppc"
1141 ppc4xx_deps="ppc"
1142
1143 vis_deps="sparc"
1144
1145 x86_64_suggest="cmov fast_cmov"
1146 amd3dnow_deps="mmx"
1147 amd3dnowext_deps="amd3dnow"
1148 mmx_deps="x86"
1149 mmx2_deps="mmx"
1150 sse_deps="mmx"
1151 ssse3_deps="sse"
1152
1153 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1154 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1155 fast_unaligned_if_any="armv6 ppc x86"
1156
1157 need_memalign="altivec neon sse"
1158 inline_asm_deps="!tms470"
1159
1160 # decoders / encoders / hardware accelerators
1161 aac_decoder_select="fft mdct aac_parser"
1162 aac_encoder_select="fft mdct"
1163 ac3_decoder_select="fft mdct ac3_parser"
1164 alac_encoder_select="lpc"
1165 atrac3_decoder_select="fft mdct"
1166 cavs_decoder_select="golomb"
1167 cook_decoder_select="fft mdct"
1168 cscd_decoder_suggest="zlib"
1169 dca_decoder_select="fft mdct"
1170 dnxhd_encoder_select="aandct"
1171 dxa_decoder_select="zlib"
1172 eac3_decoder_select="ac3_decoder"
1173 eamad_decoder_select="aandct"
1174 eatgq_decoder_select="aandct"
1175 eatqi_decoder_select="aandct"
1176 ffv1_decoder_select="golomb"
1177 flac_decoder_select="golomb"
1178 flac_encoder_select="golomb lpc"
1179 flashsv_decoder_select="zlib"
1180 flashsv_encoder_select="zlib"
1181 flv_decoder_select="h263_decoder"
1182 flv_encoder_select="h263_encoder"
1183 h261_encoder_select="aandct"
1184 h263_decoder_select="h263_parser"
1185 h263_encoder_select="aandct"
1186 h263_vaapi_hwaccel_deps="va_va_h"
1187 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1188 h263i_decoder_select="h263_decoder"
1189 h263p_encoder_select="h263_encoder"
1190 h264_decoder_select="golomb"
1191 h264_dxva2_hwaccel_deps="dxva2api_h"
1192 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1193 h264_vaapi_hwaccel_deps="va_va_h"
1194 h264_vaapi_hwaccel_select="vaapi"
1195 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1196 h264_vdpau_decoder_select="vdpau h264_decoder"
1197 imc_decoder_select="fft mdct"
1198 jpegls_decoder_select="golomb"
1199 jpegls_encoder_select="golomb"
1200 ljpeg_encoder_select="aandct"
1201 loco_decoder_select="golomb"
1202 mjpeg_encoder_select="aandct"
1203 mlp_decoder_select="mlp_parser"
1204 mpeg1video_encoder_select="aandct"
1205 mpeg2video_encoder_select="aandct"
1206 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1207 mpeg4_encoder_select="h263_encoder"
1208 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1209 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1210 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1211 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1212 mpeg2_vaapi_hwaccel_deps="va_va_h"
1213 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1214 mpeg4_vaapi_hwaccel_deps="va_va_h"
1215 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1216 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1217 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1218 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1219 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1220 msmpeg4v1_decoder_select="h263_decoder"
1221 msmpeg4v1_encoder_select="h263_encoder"
1222 msmpeg4v2_decoder_select="h263_decoder"
1223 msmpeg4v2_encoder_select="h263_encoder"
1224 msmpeg4v3_decoder_select="h263_decoder"
1225 msmpeg4v3_encoder_select="h263_encoder"
1226 nellymoser_decoder_select="fft mdct"
1227 nellymoser_encoder_select="fft mdct"
1228 png_decoder_select="zlib"
1229 png_encoder_select="zlib"
1230 qdm2_decoder_select="fft mdct rdft"
1231 rv10_decoder_select="h263_decoder"
1232 rv10_encoder_select="h263_encoder"
1233 rv20_decoder_select="h263_decoder"
1234 rv20_encoder_select="h263_encoder"
1235 rv30_decoder_select="golomb"
1236 rv40_decoder_select="golomb"
1237 shorten_decoder_select="golomb"
1238 sonic_decoder_select="golomb"
1239 sonic_encoder_select="golomb"
1240 sonic_ls_encoder_select="golomb"
1241 svq3_decoder_select="golomb"
1242 svq3_decoder_suggest="zlib"
1243 theora_decoder_select="vp3_decoder"
1244 tiff_decoder_suggest="zlib"
1245 tiff_encoder_suggest="zlib"
1246 truehd_decoder_select="mlp_decoder"
1247 tscc_decoder_select="zlib"
1248 vc1_decoder_select="h263_decoder"
1249 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1250 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1251 vc1_vaapi_hwaccel_deps="va_va_h"
1252 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1253 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1254 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1255 vorbis_decoder_select="fft mdct"
1256 vorbis_encoder_select="fft mdct"
1257 vp6a_decoder_select="vp6_decoder"
1258 vp6f_decoder_select="vp6_decoder"
1259 wmav1_decoder_select="fft mdct"
1260 wmav1_encoder_select="fft mdct"
1261 wmav2_decoder_select="fft mdct"
1262 wmav2_encoder_select="fft mdct"
1263 wmv1_decoder_select="h263_decoder"
1264 wmv1_encoder_select="h263_encoder"
1265 wmv2_decoder_select="h263_decoder"
1266 wmv2_encoder_select="h263_encoder"
1267 wmv3_decoder_select="vc1_decoder"
1268 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1269 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1270 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1271 zlib_decoder_select="zlib"
1272 zlib_encoder_select="zlib"
1273 zmbv_decoder_select="zlib"
1274 zmbv_encoder_select="zlib"
1275
1276 # parsers
1277 h264_parser_select="golomb"
1278
1279 # bitstream_filters
1280 aac_adtstoasc_bsf_select="aac_parser"
1281
1282 # external libraries
1283 libdirac_decoder_deps="libdirac !libschroedinger"
1284 libdirac_encoder_deps="libdirac"
1285 libfaac_encoder_deps="libfaac"
1286 libfaad_decoder_deps="libfaad"
1287 libfaadbin_decoder_extralibs='$ldl'
1288 libgsm_decoder_deps="libgsm"
1289 libgsm_encoder_deps="libgsm"
1290 libgsm_ms_decoder_deps="libgsm"
1291 libgsm_ms_encoder_deps="libgsm"
1292 libmp3lame_encoder_deps="libmp3lame"
1293 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1294 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1295 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1296 libopenjpeg_decoder_deps="libopenjpeg"
1297 libschroedinger_decoder_deps="libschroedinger"
1298 libschroedinger_encoder_deps="libschroedinger"
1299 libspeex_decoder_deps="libspeex"
1300 libtheora_encoder_deps="libtheora"
1301 libvorbis_encoder_deps="libvorbis"
1302 libx264_encoder_deps="libx264"
1303 libxvid_encoder_deps="libxvid"
1304
1305 # demuxers / muxers
1306 ac3_demuxer_deps="ac3_parser"
1307 asf_stream_muxer_select="asf_muxer"
1308 avisynth_demuxer_deps="avisynth"
1309 dirac_demuxer_deps="dirac_parser"
1310 eac3_demuxer_select="ac3_parser"
1311 ipod_muxer_select="mov_muxer"
1312 libnut_demuxer_deps="libnut"
1313 libnut_muxer_deps="libnut"
1314 matroska_audio_muxer_select="matroska_muxer"
1315 matroska_demuxer_suggest="zlib bzlib"
1316 mov_demuxer_suggest="zlib"
1317 mp3_demuxer_deps="mpegaudio_parser"
1318 mp4_muxer_select="mov_muxer"
1319 mpegtsraw_demuxer_select="mpegts_demuxer"
1320 mxf_d10_muxer_select="mxf_muxer"
1321 ogg_demuxer_select="golomb"
1322 psp_muxer_select="mov_muxer"
1323 rtsp_demuxer_deps="sdp_demuxer"
1324 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1325 spdif_muxer_select="aac_parser"
1326 tg2_muxer_select="mov_muxer"
1327 tgp_muxer_select="mov_muxer"
1328 w64_demuxer_deps="wav_demuxer"
1329
1330 # indevs / outdevs
1331 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1332 alsa_indev_extralibs="-lasound"
1333 alsa_outdev_deps="alsa_asoundlib_h"
1334 alsa_outdev_extralibs="-lasound"
1335 audio_beos_indev_deps="audio_beos"
1336 audio_beos_indev_extralibs="-lmedia -lbe"
1337 audio_beos_outdev_deps="audio_beos"
1338 audio_beos_outdev_extralibs="-lmedia -lbe"
1339 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1340 dv1394_indev_deps="dv1394 dv_demuxer"
1341 jack_indev_deps="jack_jack_h"
1342 jack_indev_extralibs="-ljack"
1343 libdc1394_indev_deps="libdc1394"
1344 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1345 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1346 v4l_indev_deps="linux_videodev_h"
1347 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1348 vfwcap_indev_deps="capCreateCaptureWindow"
1349 vfwcap_indev_extralibs="-lavicap32"
1350 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1351 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1352
1353 # protocols
1354 gopher_protocol_deps="network"
1355 http_protocol_deps="network"
1356 rtmp_protocol_deps="tcp_protocol"
1357 rtp_protocol_deps="udp_protocol"
1358 tcp_protocol_deps="network"
1359 udp_protocol_deps="network"
1360
1361 # filters
1362 movie_filter_deps="avfilter_lavf"
1363 avfilter_lavf_deps="avformat"
1364
1365 # libraries
1366 avdevice_deps="avcodec avformat"
1367 avformat_deps="avcodec"
1368
1369 # programs
1370 ffmpeg_deps="avcodec avformat swscale"
1371 ffplay_deps="avcodec avformat swscale sdl"
1372 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1373 ffserver_extralibs='$ldl'
1374
1375 doc_deps="texi2html"
1376
1377 # default parameters
1378
1379 logfile="config.err"
1380
1381 # installation paths
1382 prefix_default="/usr/local"
1383 bindir_default='${prefix}/bin'
1384 datadir_default='${prefix}/share/ffmpeg'
1385 incdir_default='${prefix}/include'
1386 libdir_default='${prefix}/lib'
1387 mandir_default='${prefix}/share/man'
1388 shlibdir_default="$libdir_default"
1389
1390 # toolchain
1391 ar="ar"
1392 cc_default="gcc"
1393 cc_version=\"unknown\"
1394 host_cc_default="gcc"
1395 ln_s="ln -sf"
1396 nm_default="nm"
1397 objformat="elf"
1398 ranlib="ranlib"
1399 strip="strip"
1400 yasmexe="yasm"
1401
1402 nm_opts='-g'
1403
1404 # machine
1405 arch=$(uname -m)
1406 cpu="generic"
1407
1408 # OS
1409 target_os=$(tolower $(uname -s))
1410 host_os=$target_os
1411
1412 # configurable options
1413 enable avcodec
1414 enable avdevice
1415 enable avformat
1416 enable avutil
1417 enable asm
1418 enable debug
1419 enable doc
1420 enable fastdiv
1421 enable ffmpeg
1422 enable ffplay
1423 enable ffserver
1424 enable mpegaudio_hp
1425 enable network
1426 enable optimizations
1427 enable protocols
1428 enable static
1429 enable stripping
1430 enable swscale
1431 enable swscale_alpha
1432
1433 # build settings
1434 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1435 FFSERVERLDFLAGS=-Wl,-E
1436 LIBPREF="lib"
1437 LIBSUF=".a"
1438 FULLNAME='$(NAME)$(BUILDSUF)'
1439 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1440 SLIBPREF="lib"
1441 SLIBSUF=".so"
1442 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1443 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1444 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1445 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1446
1447 CC_O='-o $@'
1448
1449 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1450 host_libs='-lm'
1451
1452 target_path='$(CURDIR)'
1453
1454 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1455 # full relative path for objects in subdirectories for non-recursive Make.
1456 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1457 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1458
1459 # find source path
1460 source_path="$(dirname "$0")"
1461 enable source_path_used
1462 if test -f configure; then
1463 source_path="$(pwd)"
1464 disable source_path_used
1465 else
1466 source_path="$(cd "$source_path"; pwd)"
1467 echo "$source_path" | grep -q '[[:blank:]]' &&
1468 die "Out of tree builds are impossible with whitespace in source path."
1469 test -e "$source_path/config.h" &&
1470 die "Out of tree builds are impossible with config.h in source dir."
1471 fi
1472
1473 for v in "$@"; do
1474 r=${v#*=}
1475 l=${v%"$r"}
1476 r=$(sh_quote "$r")
1477 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1478 done
1479
1480 find_things(){
1481 thing=$1
1482 pattern=$2
1483 file=$source_path/$3
1484 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1485 }
1486
1487 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1488 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1489 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1490 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1491 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1492 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1493 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1494 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1495 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1496 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1497 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1498
1499 enable $ARCH_EXT_LIST \
1500 $DECODER_LIST \
1501 $ENCODER_LIST \
1502 $HWACCEL_LIST \
1503 $PARSER_LIST \
1504 $BSF_LIST \
1505 $DEMUXER_LIST \
1506 $MUXER_LIST \
1507 $FILTER_LIST \
1508 $PROTOCOL_LIST \
1509 $INDEV_LIST \
1510 $OUTDEV_LIST \
1511
1512 die_unknown(){
1513 echo "Unknown option \"$1\"."
1514 echo "See $0 --help for available options."
1515 exit 1
1516 }
1517
1518 show_list() {
1519 suffix=_$1
1520 shift
1521 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1522 exit 0
1523 }
1524
1525 for opt do
1526 optval="${opt#*=}"
1527 case "$opt" in
1528 --extra-ldflags=*) add_ldflags $optval
1529 ;;
1530 --extra-libs=*) add_extralibs $optval
1531 ;;
1532 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1533 ;;
1534 --enable-debug=*) debuglevel="$optval"
1535 ;;
1536 --enable-*=*|--disable-*=*)
1537 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1538 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1539 eval list=\$$(toupper $thing)_LIST
1540 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1541 $action $(filter "$name" $list)
1542 ;;
1543 --enable-?*|--disable-?*)
1544 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1545 if is_in $option $COMPONENT_LIST; then
1546 test $action = disable && action=unset
1547 eval $action \$$(toupper ${option%s})_LIST
1548 elif is_in $option $CMDLINE_SELECT; then
1549 $action $option
1550 else
1551 die_unknown $opt
1552 fi
1553 ;;
1554 --list-*)
1555 NAME="${opt#--list-}"
1556 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1557 NAME=${NAME%s}
1558 eval show_list $NAME \$$(toupper $NAME)_LIST
1559 ;;
1560 --help|-h) show_help
1561 ;;
1562 *)
1563 optname="${opt%%=*}"
1564 optname="${optname#--}"
1565 optname=$(echo "$optname" | sed 's/-/_/g')
1566 if is_in $optname $CMDLINE_SET; then
1567 eval $optname='$optval'
1568 elif is_in $optname $CMDLINE_APPEND; then
1569 append $optname "$optval"
1570 else
1571 die_unknown $opt
1572 fi
1573 ;;
1574 esac
1575 done
1576
1577 disabled logging && logfile=/dev/null
1578
1579 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1580 set >> $logfile
1581
1582 test -n "$cross_prefix" && enable cross_compile
1583
1584 ar="${cross_prefix}${ar}"
1585 cc_default="${cross_prefix}${cc_default}"
1586 nm_default="${cross_prefix}${nm_default}"
1587 ranlib="${cross_prefix}${ranlib}"
1588 strip="${cross_prefix}${strip}"
1589
1590 sysinclude_default="${sysroot}/usr/include"
1591
1592 set_default cc nm sysinclude
1593 enabled cross_compile || host_cc_default=$cc
1594 set_default host_cc
1595
1596 exesuf() {
1597 case $1 in
1598 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1599 esac
1600 }
1601
1602 EXESUF=$(exesuf $target_os)
1603 HOSTEXESUF=$(exesuf $host_os)
1604
1605 # set temporary file name
1606 : ${TMPDIR:=$TEMPDIR}
1607 : ${TMPDIR:=$TMP}
1608 : ${TMPDIR:=/tmp}
1609
1610 if ! check_cmd type mktemp; then
1611 # simple replacement for missing mktemp
1612 # NOT SAFE FOR GENERAL USE
1613 mktemp(){
1614 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1615 }
1616 fi
1617
1618 tmpfile(){
1619 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1620 (set -C; exec > $tmp) 2>/dev/null ||
1621 die "Unable to create temporary file in $TMPDIR."
1622 append TMPFILES $tmp
1623 eval $1=$tmp
1624 }
1625
1626 trap 'rm -f -- $TMPFILES' EXIT
1627 trap exit HUP INT TERM
1628
1629 tmpfile TMPC .c
1630 tmpfile TMPE $EXESUF
1631 tmpfile TMPH .h
1632 tmpfile TMPO .o
1633 tmpfile TMPS .S
1634 tmpfile TMPV .ver
1635 tmpfile TMPSH .sh
1636
1637 unset -f mktemp
1638
1639 # make sure we can execute files in $TMPDIR
1640 cat > $TMPSH 2>> $logfile <<EOF
1641 #! /bin/sh
1642 EOF
1643 chmod +x $TMPSH >> $logfile 2>&1
1644 if ! $TMPSH >> $logfile 2>&1; then
1645 cat <<EOF
1646 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1647 variable to another directory and make sure that it is not mounted noexec.
1648 EOF
1649 die "Sanity test failed."
1650 fi
1651
1652 filter_cflags=echo
1653 filter_cppflags=echo
1654 filter_asflags=echo
1655
1656 if $cc -v 2>&1 | grep -qi ^gcc; then
1657 cc_type=gcc
1658 cc_version=__VERSION__
1659 if ! $cc -dumpversion | grep -q '^2\.'; then
1660 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1661 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1662 fi
1663 speed_cflags='-O3'
1664 size_cflags='-Os'
1665 elif $cc --version 2>/dev/null | grep -q Intel; then
1666 cc_type=icc
1667 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1668 CC_DEPFLAGS='-MMD'
1669 AS_DEPFLAGS='-MMD'
1670 speed_cflags='-O3'
1671 size_cflags='-Os'
1672 elif $cc -v 2>&1 | grep -q xlc; then
1673 cc_type=xlc
1674 cc_version="AV_STRINGIFY(__IBMC__)"
1675 speed_cflags='-O5'
1676 size_cflags='-O5 -qcompact'
1677 elif $cc -V 2>/dev/null | grep -q Compaq; then
1678 cc_type=ccc
1679 cc_version="AV_STRINGIFY(__DECC_VER)"
1680 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1681 debuglevel=3
1682 add_ldflags -Wl,-z,now # calls to libots crash without this
1683 speed_cflags='-fast'
1684 size_cflags='-O1'
1685 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1686 test -d "$sysroot" || die "No valid sysroot specified."
1687 cc_type=armcc
1688 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1689 armcc_conf="$PWD/armcc.conf"
1690 $cc --arm_linux_configure \
1691 --arm_linux_config_file="$armcc_conf" \
1692 --configure_sysroot="$sysroot" \
1693 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1694 die "Error creating armcc configuration file."
1695 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1696 as_default="${cross_prefix}gcc"
1697 CC_DEPFLAGS='-MMD'
1698 AS_DEPFLAGS='-MMD'
1699 speed_cflags='-O3'
1700 size_cflags='-Os'
1701 elif $cc -version 2>/dev/null | grep -q TMS470; then
1702 cc_type=tms470
1703 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1704 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1705 CC_O='-fr=$(@D)'
1706 as_default="${cross_prefix}gcc"
1707 ld_default="${cross_prefix}gcc"
1708 TMPO=$(basename $TMPC .c).o
1709 append TMPFILES $TMPO
1710 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1711 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1712 AS_DEPFLAGS='-MMD'
1713 speed_cflags='-O3 -mf=5'
1714 size_cflags='-O3 -mf=2'
1715 filter_cflags=tms470_flags
1716 tms470_flags(){
1717 for flag; do
1718 case $flag in
1719 -march=*|-mcpu=*)
1720 case "${flag#*=}" in
1721 armv7-a|cortex-a*) echo -mv=7a8 ;;
1722 armv7-r|cortex-r*) echo -mv=7r4 ;;
1723 armv7-m|cortex-m*) echo -mv=7m3 ;;
1724 armv6*|arm11*) echo -mv=6 ;;
1725 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1726 echo -mv=5e ;;
1727 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1728 esac
1729 ;;
1730 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1731 -mfpu=vfp) echo --float_support=vfpv2 ;;
1732 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1733 -msoft-float) echo --float_support=vfplib ;;
1734 -O[0-3]|-mf=*) echo $flag ;;
1735 -g) echo -g -mn ;;
1736 -pds=*) echo $flag ;;
1737 esac
1738 done
1739 }
1740 elif $cc -v 2>&1 | grep -q clang; then
1741 cc_type=clang
1742 cc_version=__VERSION__
1743 CC_DEPFLAGS='-MMD'
1744 AS_DEPFLAGS='-MMD'
1745 speed_cflags='-O3'
1746 size_cflags='-Os'
1747 elif $cc -V 2>&1 | grep -q Sun; then
1748 cc_type=suncc
1749 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1750 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1751 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1752 speed_cflags='-O5'
1753 size_cflags='-O5 -xspace'
1754 filter_cflags=suncc_flags
1755 suncc_flags(){
1756 for flag; do
1757 case $flag in
1758 -march=*|-mcpu=*)
1759 case "${flag#*=}" in
1760 native) echo -xtarget=native ;;
1761 v9) echo -xarch=sparc ;;
1762 ultrasparc) echo -xarch=sparcvis ;;
1763 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1764 i586|pentium) echo -xchip=pentium ;;
1765 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1766 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1767 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1768 pentium4*) echo -xtarget=pentium4 ;;
1769 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1770 *-sse3) echo -xarch=sse3 ;;
1771 core2) echo -xarch=ssse3 -xchip=core2 ;;
1772 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1773 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1774 k8|opteron|athlon64|athlon-fx)
1775 echo -xarch=sse2a ;;
1776 athlon*) echo -xarch=pentium_proa ;;
1777 esac
1778 ;;
1779 -std=c99) echo -xc99 ;;
1780 -fomit-frame-pointer) echo -xregs=frameptr ;;
1781 -fPIC) echo -KPIC -xcode=pic32 ;;
1782 -W*,*) echo $flag ;;
1783 -f*-*|-W*) ;;
1784 *) echo $flag ;;
1785 esac
1786 done
1787 }
1788 fi
1789
1790 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1791
1792 : ${as_default:=$cc}
1793 : ${dep_cc_default:=$cc}
1794 : ${ld_default:=$cc}
1795 set_default as dep_cc ld
1796
1797 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1798 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1799
1800 add_cflags $extra_cflags
1801 add_asflags $extra_cflags
1802
1803 if test -n "$sysroot"; then
1804 case "$cc_type" in
1805 gcc)
1806 add_cppflags --sysroot="$sysroot"
1807 add_ldflags --sysroot="$sysroot"
1808 ;;
1809 tms470)
1810 add_cppflags -I"$sysinclude"
1811 add_ldflags --sysroot="$sysroot"
1812 ;;
1813 clang)
1814 add_cppflags -isysroot="$sysroot"
1815 add_ldflags -isysroot="$sysroot"
1816 ;;
1817 esac
1818 fi
1819
1820 if test "$cpu" = host; then
1821 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1822
1823 case "$cc_type" in
1824 gcc)
1825 check_native(){
1826 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1827 sed -n "/$1=/{
1828 s/.*$1=\\([^ ]*\\).*/\\1/
1829 p
1830 q
1831 }" $TMPE
1832 }
1833 cpu=$(check_native -march || check_native -mcpu)
1834 ;;
1835 esac
1836
1837 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1838 fi
1839
1840 # Deal with common $arch aliases
1841 case "$arch" in
1842 arm*)
1843 arch="arm"
1844 ;;
1845 mips|mipsel|IP*)
1846 arch="mips"
1847 ;;
1848 mips64)
1849 arch="mips"
1850 subarch="mips64"
1851 ;;
1852 parisc|hppa)
1853 arch="parisc"
1854 ;;
1855 parisc64|hppa64)
1856 arch="parisc"
1857 subarch="parisc64"
1858 ;;
1859 "Power Macintosh"|ppc|powerpc)
1860 arch="ppc"
1861 ;;
1862 ppc64)
1863 arch="ppc"
1864 subarch="ppc64"
1865 ;;
1866 s390|s390x)
1867 arch="s390"
1868 ;;
1869 sh4|sh)
1870 arch="sh4"
1871 ;;
1872 sun4u|sparc64)
1873 arch="sparc"
1874 subarch="sparc64"
1875 ;;
1876 i[3-6]86|i86pc|BePC|x86_64|amd64)
1877 arch="x86"
1878 ;;
1879 esac
1880
1881 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1882 enable $arch
1883
1884 # Add processor-specific flags
1885 if test "$cpu" = generic; then
1886 : do nothing
1887 elif enabled ppc; then
1888
1889 case $cpu in
1890 601|ppc601|PowerPC601)
1891 cpuflags="-mcpu=601"
1892 ;;
1893 603*|ppc603*|PowerPC603*)
1894 cpuflags="-mcpu=603"
1895 ;;
1896 604*|ppc604*|PowerPC604*)
1897 cpuflags="-mcpu=604"
1898 ;;
1899 G3|g3|75*|ppc75*|PowerPC75*)
1900 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1901 ;;
1902 G4|g4|745*|ppc745*|PowerPC745*)
1903 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1904 ;;
1905 74*|ppc74*|PowerPC74*)
1906 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1907 ;;
1908 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1909 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1910 ;;
1911 Cell|CELL|cell)
1912 cpuflags="-mcpu=cell"
1913 enable ldbrx
1914 ;;
1915 esac
1916
1917 elif enabled x86; then
1918
1919 case $cpu in
1920 i[345]86|pentium)
1921 cpuflags="-march=$cpu"
1922 disable mmx
1923 ;;
1924 # targets that do NOT support conditional mov (cmov)
1925 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1926 cpuflags="-march=$cpu"
1927 disable cmov
1928 ;;
1929 # targets that do support conditional mov (cmov)
1930 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1931 cpuflags="-march=$cpu"
1932 enable cmov
1933 enable fast_cmov
1934 ;;
1935 # targets that do support conditional mov but on which it's slow
1936 pentium4|pentium4m|prescott|nocona)
1937 cpuflags="-march=$cpu"
1938 enable cmov
1939 disable fast_cmov
1940 ;;
1941 esac
1942
1943 elif enabled sparc; then
1944
1945 case $cpu in
1946 sparc64)
1947 cpuflags="-mcpu=v9"
1948 ;;
1949 esac
1950
1951 elif enabled arm; then
1952
1953 case $cpu in
1954 armv*)
1955 cpuflags="-march=$cpu"
1956 ;;
1957 *)
1958 cpuflags="-mcpu=$cpu"
1959 ;;
1960 esac
1961
1962 elif enabled alpha; then
1963
1964 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1965
1966 elif enabled bfin; then
1967
1968 cpuflags="-mcpu=$cpu"
1969
1970 elif enabled mips; then
1971
1972 cpuflags="-march=$cpu"
1973
1974 elif enabled avr32; then
1975
1976 case $cpu in
1977 ap7[02]0[0-2])
1978 subarch="avr32_ap"
1979 cpuflags="-mpart=$cpu"
1980 ;;
1981 ap)
1982 subarch="avr32_ap"
1983 cpuflags="-march=$cpu"
1984 ;;
1985 uc3[ab]*)
1986 subarch="avr32_uc"
1987 cpuflags="-mcpu=$cpu"
1988 ;;
1989 uc)
1990 subarch="avr32_uc"
1991 cpuflags="-march=$cpu"
1992 ;;
1993 esac
1994
1995 fi
1996
1997 add_cflags $cpuflags
1998 add_asflags $cpuflags
1999
2000 # compiler sanity check
2001 check_exec <<EOF
2002 int main(void){ return 0; }
2003 EOF
2004 if test "$?" != 0; then
2005 echo "$cc is unable to create an executable file."
2006 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2007 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2008 echo "Only do this if you know what cross compiling means."
2009 fi
2010 die "C compiler test failed."
2011 fi
2012
2013 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2014 check_cflags -std=c99
2015 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2016 #include <stdlib.h>
2017 EOF
2018 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2019 #include <stdlib.h>
2020 EOF
2021
2022 check_host_cflags -std=c99
2023
2024 case "$arch" in
2025 alpha|ia64|mips|parisc|sparc)
2026 spic=$shared
2027 ;;
2028 x86)
2029 subarch="x86_32"
2030 check_cc <<EOF && subarch="x86_64"
2031 int test[(int)sizeof(char*) - 7];
2032 EOF
2033 if test "$subarch" = "x86_64"; then
2034 spic=$shared
2035 fi
2036 ;;
2037 esac
2038
2039 enable $subarch
2040 enabled spic && enable pic
2041 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2042
2043 # OS specific
2044 case $target_os in
2045 beos|haiku|zeta)
2046 prefix_default="$HOME/config"
2047 # 3 gcc releases known for BeOS, each with ugly bugs
2048 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2049 case "$gcc_version" in
2050 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2051 disable mmx
2052 ;;
2053 *20010315*) echo "BeBits gcc"
2054 add_cflags -fno-expensive-optimizations
2055 ;;
2056 esac
2057 SHFLAGS=-nostart
2058 # enable BeOS things
2059 enable audio_beos
2060 # no need for libm, but the inet stuff
2061 # Check for BONE
2062 # XXX: actually should check for NOT net_server
2063 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2064 network_extralibs="-lbind -lsocket"
2065 else
2066 enable beos_netserver
2067 network_extralibs="-lnet"
2068 fi ;;
2069 sunos)
2070 FFSERVERLDFLAGS=""
2071 SHFLAGS='-shared -Wl,-h,$$(@F)'
2072 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2073 network_extralibs="-lsocket -lnsl"
2074 add_cppflags -D__EXTENSIONS__
2075 nm_opts='-P -g'
2076 ;;
2077 netbsd)
2078 oss_indev_extralibs="-lossaudio"
2079 oss_outdev_extralibs="-lossaudio"
2080 ;;
2081 openbsd)
2082 enable malloc_aligned
2083 # On OpenBSD 4.5. the compiler does not use PIC unless
2084 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2085 # however the generated executable will not do anything
2086 # (simply quits with exit-code 1, no crash, no output).
2087 # Thus explicitly enable PIC here.
2088 enable pic
2089 SHFLAGS='-shared'
2090 oss_indev_extralibs="-lossaudio"
2091 oss_outdev_extralibs="-lossaudio"
2092 ;;
2093 freebsd|dragonfly)
2094 enable malloc_aligned
2095 ;;
2096 bsd/os)
2097 osextralibs="-lpoll -lgnugetopt"
2098 strip="strip -d"
2099 ;;
2100 darwin)
2101 enable malloc_aligned
2102 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2103 strip="strip -x"
2104 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2105 SLIBSUF=".dylib"
2106 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2107 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2108 FFSERVERLDFLAGS=-Wl,-bind_at_load
2109 objformat="macho"
2110 enabled x86_64 && objformat="macho64"
2111 enabled_any pic shared ||
2112 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2113 ;;
2114 mingw32*)
2115 if test $target_os = "mingw32ce"; then
2116 disable network
2117 else
2118 target_os=mingw32
2119 fi
2120 LIBTARGET=i386
2121 if enabled x86_64; then
2122 enable malloc_aligned
2123 LIBTARGET=x64
2124 elif enabled arm; then
2125 LIBTARGET=arm
2126 fi
2127 shlibdir_default="$bindir_default"
2128 disable ffserver
2129 SLIBPREF=""
2130 SLIBSUF=".dll"
2131 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2132 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2133 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2134 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2135 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2136 install -d "$(LIBDIR)"; \
2137 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2138 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2139 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2140 objformat="win32"
2141 enable dos_paths
2142 check_cflags -fno-common
2143 if ! enabled x86_64; then
2144 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2145 die "ERROR: MinGW runtime version must be >= 3.15."
2146 enabled_any avisynth vfwcap_indev &&
2147 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2148 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2149 fi
2150 ;;
2151 cygwin*)
2152 target_os=cygwin
2153 shlibdir_default="$bindir_default"
2154 SLIBPREF="cyg"
2155 SLIBSUF=".dll"
2156 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2157 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2158 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2159 objformat="win32"
2160 enable dos_paths
2161 check_cflags -fno-common
2162 ;;
2163 *-dos|freedos|opendos)
2164 disable ffplay ffserver
2165 disable $INDEV_LIST $OUTDEV_LIST
2166 network_extralibs="-lsocket"
2167 objformat="coff"
2168 enable dos_paths
2169 ;;
2170 linux)
2171 enable dv1394
2172 ;;
2173 irix*)
2174 target_os=irix
2175 ranlib="echo ignoring ranlib"
2176 ;;
2177 os/2*)
2178 strip="lxlite"
2179 ln_s="cp -f"
2180 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2181 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2182 FFSERVERLDFLAGS=""
2183 LIBSUF="_s.a"
2184 SLIBPREF=""
2185 SLIBSUF=".dll"
2186 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2187 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2188 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2189 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2190 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2191 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2192 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2193 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2194 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2195 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2196 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2197 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2198 enable dos_paths
2199 ;;
2200 gnu/kfreebsd)
2201 ;;
2202 gnu)
2203 ;;
2204
2205 *)
2206 die "Unknown OS '$target_os'."
2207 ;;
2208 esac
2209
2210 set_default $PATHS_LIST
2211
2212 add_extralibs $osextralibs
2213
2214 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2215 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2216
2217 # we need to build at least one lib type
2218 if ! enabled_any static shared; then
2219 cat <<EOF
2220 At least one library type must be built.
2221 Specify --enable-static to build the static libraries or --enable-shared to
2222 build the shared libraries as well. To only build the shared libraries specify
2223 --disable-static in addition to --enable-shared.
2224 EOF
2225 exit 1;
2226 fi
2227
2228 disabled static && LIBNAME=""
2229
2230 if enabled_any libfaad libfaadbin ; then
2231 if check_header faad.h; then
2232 check_cc <<EOF
2233 #include <faad.h>
2234 #ifndef FAAD2_VERSION
2235 ok faad1
2236 #endif
2237 int main(void) { return 0; }
2238 EOF
2239 test $? = 0 && enable libfaad2
2240 else
2241 die "FAAD test failed."
2242 fi
2243 fi
2244
2245
2246 die_license_disabled() {
2247 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2248 }
2249
2250 die_license_disabled gpl libfaad2
2251 die_license_disabled gpl libx264
2252 die_license_disabled gpl libxvid
2253 die_license_disabled gpl postproc
2254 die_license_disabled gpl x11grab
2255
2256 die_license_disabled nonfree libfaac
2257
2258 die_license_disabled version3 libopencore_amrnb
2259 die_license_disabled version3 libopencore_amrwb
2260
2261 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2262
2263 check_deps $ARCH_EXT_LIST
2264
2265 disabled optimizations || check_cflags -fomit-frame-pointer
2266
2267 enable_pic() {
2268 enable pic
2269 add_cppflags -DPIC
2270 add_cflags -fPIC
2271 add_asflags -fPIC
2272 }
2273
2274 enabled pic && enable_pic
2275
2276 check_cc <<EOF || die "Symbol mangling check failed."
2277 int ff_extern;
2278 EOF
2279 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2280 extern_prefix=${sym%%ff_extern*}
2281
2282 check_cc <<EOF && enable inline_asm
2283 void foo(void) { __asm__ volatile ("" ::); }
2284 EOF
2285
2286 _restrict=
2287 for restrict_keyword in restrict __restrict__ __restrict; do
2288 check_cc <<EOF && _restrict=$restrict_keyword && break
2289 void foo(char * $restrict_keyword p);
2290 EOF
2291 done
2292
2293 check_cc <<EOF && enable attribute_packed
2294 struct { int x; } __attribute__((packed)) x;
2295 EOF
2296
2297 check_cc <<EOF && enable attribute_may_alias
2298 union { int x; } __attribute__((may_alias)) x;
2299 EOF
2300
2301 check_cc <<EOF || die "endian test failed"
2302 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2303 EOF
2304 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2305
2306 if enabled alpha; then
2307
2308 check_cflags -mieee
2309
2310 elif enabled arm; then
2311
2312 check_cflags -marm
2313
2314 check_ld <<EOF && enable vfp_args
2315 __asm__ (".eabi_attribute 28, 1");
2316 int main(void) { return 0; }
2317 EOF
2318
2319 # We have to check if pld is a nop and disable it.
2320 check_asm pld '"pld [r0]"'
2321
2322 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2323 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2324 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2325 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2326 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2327 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2328
2329 enabled_all armv6t2 shared !pic && enable_pic
2330
2331 elif enabled ia64; then
2332
2333 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2334 enabled shared && enable_weak hardcoded_tables
2335
2336 elif enabled mips; then
2337
2338 check_asm loongson '"dmult.g $1, $2, $3"'
2339 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2340
2341 elif enabled ppc; then
2342
2343 check_asm dcbzl '"dcbzl 0, 1"'
2344 check_asm ppc4xx '"maclhw r10, r11, r12"'
2345 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2346
2347 # AltiVec flags: The FSF version of GCC differs from the Apple version
2348 if enabled altivec; then
2349 check_cflags -maltivec -mabi=altivec &&
2350 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2351 check_cflags -faltivec
2352
2353 # check if our compiler supports Motorola AltiVec C API
2354 check_cc <<EOF || disable altivec
2355 $inc_altivec_h
2356 int main(void) {
2357 vector signed int v1, v2, v3;
2358 v1 = vec_add(v2,v3);
2359 return 0;
2360 }
2361 EOF
2362
2363 # check if our compiler supports braces for vector declarations
2364 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2365 $inc_altivec_h
2366 int main (void) { (vector int) {1}; return 0; }
2367 EOF
2368 fi
2369
2370 elif enabled sparc; then
2371
2372 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2373 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2374
2375 elif enabled x86; then
2376
2377 # check whether EBP is available on x86
2378 # As 'i' is stored on the stack, this program will crash
2379 # if the base pointer is used to access it because the
2380 # base pointer is cleared in the inline assembly code.
2381 check_exec_crash <<EOF && enable ebp_available
2382 volatile int i=0;
2383 __asm__ volatile (
2384 "xorl %%ebp, %%ebp"
2385 ::: "%ebp");
2386 return i;
2387 EOF
2388
2389 # check whether EBX is available on x86
2390 check_asm ebx_available '""::"b"(0)' &&
2391 check_asm ebx_available '"":::"%ebx"'
2392
2393 # check whether more than 10 operands are supported
2394 check_cc <<EOF && enable ten_operands
2395 int main(void) {
2396 int x=0;
2397 __asm__ volatile(
2398 ""
2399 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2400 );
2401 return 0;
2402 }
2403 EOF
2404
2405 # check whether binutils is new enough to compile SSSE3/MMX2
2406 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2407 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2408
2409 check_asm bswap '"bswap %%eax" ::: "%eax"'
2410
2411 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2412 enabled x86_64 && append YASMFLAGS "-m amd64"
2413 enabled pic && append YASMFLAGS "-DPIC"
2414 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2415 case "$objformat" in
2416 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2417 esac
2418 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2419
2420 case "$cpu" in
2421 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2422 disable fast_clz
2423 ;;
2424 esac
2425
2426 fi
2427
2428 if check_func dlopen; then
2429 ldl=
2430 elif check_func dlopen -ldl; then
2431 ldl=-ldl
2432 fi
2433
2434 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2435 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2436
2437 check_func fork
2438 check_func getaddrinfo $network_extralibs
2439 check_func gethrtime
2440 check_func getrusage
2441 check_func inet_aton $network_extralibs
2442 check_func isatty
2443 check_func ${malloc_prefix}memalign && enable memalign
2444 check_func mkstemp
2445 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2446 check_func_headers io.h setmode
2447 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2448 check_func_headers windows.h GetProcessTimes
2449 check_func_headers windows.h VirtualAlloc
2450
2451 check_header conio.h
2452 check_header dlfcn.h
2453 check_header dxva2api.h
2454 check_header malloc.h
2455 check_header poll.h
2456 check_header sys/mman.h
2457 check_header sys/resource.h
2458 check_header sys/select.h
2459 check_header termios.h
2460 check_header vdpau/vdpau.h
2461 check_header vdpau/vdpau_x11.h
2462 check_header X11/extensions/XvMClib.h
2463
2464 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2465
2466 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2467 enabled_any $need_memalign ; then
2468 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2469 fi
2470
2471 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2472 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2473
2474 # check for some common methods of building with pthread support
2475 # do this before the optional library checks as some of them require pthreads
2476 if enabled pthreads; then
2477 if check_func pthread_create; then
2478 :
2479 elif check_func pthread_create -pthread; then
2480 add_cflags -pthread
2481 add_extralibs -pthread
2482 elif check_func pthread_create -pthreads; then
2483 add_cflags -pthreads
2484 add_extralibs -pthreads
2485 elif check_func pthread_create -lpthreadGC2; then
2486 add_extralibs -lpthreadGC2
2487 elif ! check_lib pthread.h pthread_create -lpthread; then
2488 die "ERROR: can't find pthreads library"
2489 fi
2490 fi
2491
2492 for thread in $THREADS_LIST; do
2493 if enabled $thread; then
2494 test -n "$thread_type" &&
2495 die "ERROR: Only one thread type must be selected." ||
2496 thread_type="$thread"
2497 fi
2498 done
2499
2500 check_lib math.h sin -lm
2501 check_lib va/va.h vaInitialize -lva
2502
2503 check_func exp2
2504 check_func exp2f
2505 check_func llrint
2506 check_func log2
2507 check_func log2f
2508 check_func lrint
2509 check_func lrintf
2510 check_func round
2511 check_func roundf
2512 check_func truncf
2513
2514 # these are off by default, so fail if requested and not available
2515 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2516 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2517 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2518 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2519 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2520 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2521 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2522 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2523 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2524 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2525 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2526 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2527 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2528 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2529 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2530 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2531 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2532 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2533 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2534 die "ERROR: libx264 version must be >= 0.83."; }
2535 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2536 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2537
2538 # libdc1394 check
2539 if enabled libdc1394; then
2540 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2541 enable libdc1394_2; } ||
2542 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2543 enable libdc1394_1; } ||
2544 die "ERROR: No version of libdc1394 found "
2545 fi
2546
2547 SDL_CONFIG="${cross_prefix}sdl-config"
2548 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2549 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2550 sdl_libs=$("${SDL_CONFIG}" --libs)
2551 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2552 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2553 enable sdl &&
2554 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2555 fi
2556
2557 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2558
2559 if enabled network; then
2560 check_type "sys/types.h sys/socket.h" socklen_t
2561 check_type netdb.h "struct addrinfo"
2562 check_type netinet/in.h "struct ipv6_mreq"
2563 check_type netinet/in.h "struct sockaddr_in6"
2564 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2565 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2566 # Prefer arpa/inet.h over winsock2
2567 if check_header arpa/inet.h ; then
2568 check_func closesocket
2569 elif check_header winsock2.h ; then
2570 check_func_headers winsock2.h closesocket -lws2 && \
2571 network_extralibs="-lws2" || \
2572 { check_func_headers winsock2.h closesocket -lws2_32 && \
2573 network_extralibs="-lws2_32"; }
2574 check_type ws2tcpip.h socklen_t
2575 check_type ws2tcpip.h "struct addrinfo"
2576 check_type ws2tcpip.h "struct ipv6_mreq"
2577 check_type ws2tcpip.h "struct sockaddr_in6"
2578 check_type ws2tcpip.h "struct sockaddr_storage"
2579 check_struct winsock2.h "struct sockaddr" sa_len
2580 else
2581 disable network
2582 fi
2583 fi
2584
2585 check_header linux/videodev.h
2586 check_header linux/videodev2.h
2587 check_header sys/videoio.h
2588
2589 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2590
2591 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2592 { check_header dev/bktr/ioctl_meteor.h &&
2593 check_header dev/bktr/ioctl_bt848.h; } ||
2594 { check_header machine/ioctl_meteor.h &&
2595 check_header machine/ioctl_bt848.h; } ||
2596 { check_header dev/video/meteor/ioctl_meteor.h &&
2597 check_header dev/video/bktr/ioctl_bt848.h; } ||
2598 check_header dev/ic/bt8xx.h
2599
2600 check_header sys/soundcard.h
2601 check_header soundcard.h
2602
2603 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2604
2605 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2606
2607 enabled x11grab &&
2608 check_header X11/Xlib.h &&
2609 check_header X11/extensions/XShm.h &&
2610 check_header X11/extensions/Xfixes.h &&
2611 check_func XOpenDisplay -lX11 &&
2612 check_func XShmCreateImage -lX11 -lXext &&
2613 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2614
2615 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2616 check_cpp_condition \
2617 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2618 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2619 disable vdpau; }
2620 fi
2621
2622 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2623
2624 # add some useful compiler flags if supported
2625 check_cflags -Wdeclaration-after-statement
2626 check_cflags -Wall
2627 check_cflags -Wno-switch
2628 check_cflags -Wdisabled-optimization
2629 check_cflags -Wpointer-arith
2630 check_cflags -Wredundant-decls
2631 check_cflags -Wno-pointer-sign
2632 check_cflags -Wcast-qual
2633 check_cflags -Wwrite-strings
2634 check_cflags -Wtype-limits
2635 check_cflags -Wundef
2636 enabled extra_warnings && check_cflags -Winline
2637
2638 # add some linker flags
2639 check_ldflags -Wl,--warn-common
2640 check_ldflags -Wl,--as-needed
2641 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'
2642 check_ldflags -Wl,-Bsymbolic
2643
2644 echo "X{};" > $TMPV
2645 test_ldflags -Wl,--version-script,$TMPV &&
2646 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2647
2648 if enabled small; then
2649 add_cflags $size_cflags
2650 optimizations="small"
2651 elif enabled optimizations; then
2652 add_cflags $speed_cflags
2653 fi
2654 check_cflags -fno-math-errno
2655 check_cflags -fno-signed-zeros
2656
2657 if enabled icc; then
2658 # Just warnings, no remarks
2659 check_cflags -w1
2660 # -wd: Disable following warnings
2661 # 144, 167, 556: -Wno-pointer-sign
2662 # 10006: ignoring unknown option -fno-signed-zeros
2663 # 10156: ignoring option '-W'; no argument required
2664 check_cflags -wd144,167,556,10006,10156
2665 # 11030: Warning unknown option --as-needed
2666 # 10156: ignoring option '-export'; no argument required
2667 check_ldflags -wd10156,11030
2668 # Allow to compile with optimizations
2669 check_ldflags -march=$cpu
2670 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2671 enable ebp_available
2672 elif enabled ccc; then
2673 # disable some annoying warnings
2674 add_cflags -msg_disable cvtu32to64
2675 add_cflags -msg_disable embedcomment
2676 add_cflags -msg_disable needconstext
2677 add_cflags -msg_disable nomainieee
2678 add_cflags -msg_disable ptrmismatch1
2679 add_cflags -msg_disable unreachcode
2680 elif enabled gcc; then
2681 check_cflags -fno-tree-vectorize
2682 elif enabled clang; then
2683 check_cflags -Qunused-arguments
2684 elif enabled armcc; then
2685 # 2523: use of inline assembler is deprecated
2686 add_cflags -Wrvct,--diag_suppress=2523
2687 elif enabled tms470; then
2688 add_cflags -pds=824 -pds=837
2689 fi
2690
2691 if enabled gprof; then
2692 add_cflags -p
2693 add_ldflags -p
2694 fi
2695
2696 # Find out if the .align argument is a power of two or not.
2697 check_asm asmalign_pot '".align 3"'
2698
2699 enabled_any $DECODER_LIST && enable decoders
2700 enabled_any $ENCODER_LIST && enable encoders
2701 enabled_any $HWACCEL_LIST && enable hwaccels
2702 enabled_any $BSF_LIST && enable bsfs
2703 enabled_any $DEMUXER_LIST && enable demuxers
2704 enabled_any $MUXER_LIST && enable muxers
2705 enabled_any $FILTER_LIST && enable filters
2706 enabled_any $INDEV_LIST && enable indevs
2707 enabled_any $OUTDEV_LIST && enable outdevs
2708 enabled_any $PROTOCOL_LIST && enable protocols
2709
2710 enabled_any $THREADS_LIST && enable threads
2711
2712 check_deps $CONFIG_LIST \
2713 $CONFIG_EXTRA \
2714 $HAVE_LIST \
2715 $DECODER_LIST \
2716 $ENCODER_LIST \
2717 $HWACCEL_LIST \
2718 $PARSER_LIST \
2719 $BSF_LIST \
2720 $DEMUXER_LIST \
2721 $MUXER_LIST \
2722 $FILTER_LIST \
2723 $INDEV_LIST \
2724 $OUTDEV_LIST \
2725 $PROTOCOL_LIST \
2726
2727 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2728
2729 echo "install prefix $prefix"
2730 echo "source path $source_path"
2731 echo "C compiler $cc"
2732 echo ".align is power-of-two $asmalign_pot"
2733 echo "ARCH $arch ($cpu)"
2734 if test "$build_suffix" != ""; then
2735 echo "build suffix $build_suffix"
2736 fi
2737 if test "$extra_version" != ""; then
2738 echo "version string suffix $extra_version"
2739 fi
2740 echo "big-endian ${bigendian-no}"
2741 echo "runtime cpu detection ${runtime_cpudetect-no}"
2742 if enabled x86; then
2743 echo "yasm ${yasm-no}"
2744 echo "MMX enabled ${mmx-no}"
2745 echo "MMX2 enabled ${mmx2-no}"
2746 echo "3DNow! enabled ${amd3dnow-no}"
2747 echo "3DNow! extended enabled ${amd3dnowext-no}"
2748 echo "SSE enabled ${sse-no}"
2749 echo "SSSE3 enabled ${ssse3-no}"
2750 echo "CMOV enabled ${cmov-no}"
2751 echo "CMOV is fast ${fast_cmov-no}"
2752 echo "EBX available ${ebx_available-no}"
2753 echo "EBP available ${ebp_available-no}"
2754 echo "10 operands supported ${ten_operands-no}"
2755 fi
2756 if enabled arm; then
2757 echo "ARMv5TE enabled ${armv5te-no}"
2758 echo "ARMv6 enabled ${armv6-no}"
2759 echo "ARMv6T2 enabled ${armv6t2-no}"
2760 echo "ARM VFP enabled ${armvfp-no}"
2761 echo "IWMMXT enabled ${iwmmxt-no}"
2762 echo "NEON enabled ${neon-no}"
2763 fi
2764 if enabled mips; then
2765 echo "MMI enabled ${mmi-no}"
2766 fi
2767 if enabled ppc; then
2768 echo "AltiVec enabled ${altivec-no}"
2769 echo "PPC 4xx optimizations ${ppc4xx-no}"
2770 echo "dcbzl available ${dcbzl-no}"
2771 echo "performance report ${powerpc_perf-no}"
2772 fi
2773 if enabled sparc; then
2774 echo "VIS enabled ${vis-no}"
2775 fi
2776 echo "gprof enabled ${gprof-no}"
2777 echo "debug symbols ${debug-no}"
2778 echo "strip symbols ${stripping-no}"
2779 echo "optimizations ${optimizations-no}"
2780 echo "static ${static-no}"
2781 echo "shared ${shared-no}"
2782 echo "postprocessing support ${postproc-no}"
2783 echo "new filter support ${avfilter-no}"
2784 echo "filters using lavformat ${avfilter_lavf-no}"
2785 echo "network support ${network-no}"
2786 echo "threading support ${thread_type-no}"
2787 echo "SDL support ${sdl-no}"
2788 echo "Sun medialib support ${mlib-no}"
2789 echo "AVISynth enabled ${avisynth-no}"
2790 echo "libdc1394 support ${libdc1394-no}"
2791 echo "libdirac enabled ${libdirac-no}"
2792 echo "libfaac enabled ${libfaac-no}"
2793 echo "libfaad enabled ${libfaad-no}"
2794 echo "libfaad dlopened ${libfaadbin-no}"
2795 echo "libgsm enabled ${libgsm-no}"
2796 echo "libmp3lame enabled ${libmp3lame-no}"
2797 echo "libnut enabled ${libnut-no}"
2798 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2799 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2800 echo "libopenjpeg enabled ${libopenjpeg-no}"
2801 echo "libschroedinger enabled ${libschroedinger-no}"
2802 echo "libspeex enabled ${libspeex-no}"
2803 echo "libtheora enabled ${libtheora-no}"
2804 echo "libvorbis enabled ${libvorbis-no}"
2805 echo "libx264 enabled ${libx264-no}"
2806 echo "libxvid enabled ${libxvid-no}"
2807 echo "zlib enabled ${zlib-no}"
2808 echo "bzlib enabled ${bzlib-no}"
2809 echo
2810
2811 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2812 echo "Enabled ${type}s:"
2813 eval list=\$$(toupper $type)_LIST
2814 for part in $list; do
2815 enabled $part && echo ${part%_*}
2816 done | sort | pr -3 -t
2817 echo
2818 done
2819
2820 license="LGPL version 2.1 or later"
2821 if enabled nonfree; then
2822 license="nonfree and unredistributable"
2823 elif enabled gplv3; then
2824 license="GPL version 3 or later"
2825 elif enabled lgplv3; then
2826 license="LGPL version 3 or later"
2827 elif enabled gpl; then
2828 license="GPL version 2 or later"
2829 fi
2830
2831 echo "License: $license"
2832
2833 echo "Creating config.mak and config.h..."
2834
2835 # build tree in object directory if source path is different from current one
2836 if enabled source_path_used; then
2837 DIRS="
2838 doc
2839 libavcodec
2840 libavcodec/$arch
2841 libavdevice
2842 libavfilter
2843 libavformat
2844 libavutil
2845 libavutil/$arch
2846 libpostproc
2847 libswscale
2848 libswscale/$arch
2849 tests
2850 tools
2851 "
2852 FILES="
2853 Makefile
2854 common.mak
2855 subdir.mak
2856 doc/texi2pod.pl
2857 libavcodec/Makefile
2858 libavdevice/Makefile
2859 libavfilter/Makefile
2860 libavformat/Makefile
2861 libavutil/Makefile
2862 libpostproc/Makefile
2863 libswscale/Makefile
2864 "
2865 for dir in $DIRS ; do
2866 mkdir -p $dir
2867 done
2868 for f in $FILES ; do
2869 $ln_s "$source_path/$f" $f
2870 done
2871 fi
2872
2873 enabled stripping || strip="echo skipping strip"
2874
2875 cat > config.mak <<EOF
2876 # Automatically generated by configure - do not modify!
2877 ifndef FFMPEG_CONFIG_MAK
2878 FFMPEG_CONFIG_MAK=1
2879 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2880 prefix=$prefix
2881 LIBDIR=\$(DESTDIR)$libdir
2882 SHLIBDIR=\$(DESTDIR)$shlibdir
2883 INCDIR=\$(DESTDIR)$incdir
2884 BINDIR=\$(DESTDIR)$bindir
2885 DATADIR=\$(DESTDIR)$datadir
2886 MANDIR=\$(DESTDIR)$mandir
2887 SRC_PATH="$source_path"
2888 SRC_PATH_BARE=$source_path
2889 BUILD_ROOT="$PWD"
2890 ARCH=$arch
2891 CC=$cc
2892 AS=$as
2893 LD=$ld
2894 DEPCC=$dep_cc
2895 YASM=$yasmexe
2896 AR=$ar
2897 RANLIB=$ranlib
2898 LN_S=$ln_s
2899 STRIP=$strip
2900 CPPFLAGS=$CPPFLAGS
2901 CFLAGS=$CFLAGS
2902 ASFLAGS=$ASFLAGS
2903 CC_O=$CC_O
2904 LDFLAGS=$LDFLAGS
2905 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2906 SHFLAGS=$SHFLAGS
2907 YASMFLAGS=$YASMFLAGS
2908 BUILDSUF=$build_suffix
2909 FULLNAME=$FULLNAME
2910 LIBPREF=$LIBPREF
2911 LIBSUF=$LIBSUF
2912 LIBNAME=$LIBNAME
2913 SLIBPREF=$SLIBPREF
2914 SLIBSUF=$SLIBSUF
2915 EXESUF=$EXESUF
2916 EXTRA_VERSION=$extra_version
2917 DEPFLAGS=$DEPFLAGS
2918 CCDEP=$CCDEP
2919 ASDEP=$ASDEP
2920 CC_DEPFLAGS=$CC_DEPFLAGS
2921 AS_DEPFLAGS=$AS_DEPFLAGS
2922 HOSTCC=$host_cc
2923 HOSTCFLAGS=$host_cflags
2924 HOSTEXESUF=$HOSTEXESUF
2925 HOSTLDFLAGS=$host_ldflags
2926 HOSTLIBS=$host_libs
2927 TARGET_EXEC=$target_exec
2928 TARGET_PATH=$target_path
2929 SDL_LIBS=$sdl_libs
2930 SDL_CFLAGS=$sdl_cflags
2931 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2932 EXTRALIBS=$extralibs
2933 EOF
2934
2935 get_version(){
2936 name=$1
2937 file=$source_path/$2
2938 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2939 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2940 lcname=$(tolower $name)
2941 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2942 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2943 }
2944
2945 get_version LIBSWSCALE libswscale/swscale.h
2946 get_version LIBPOSTPROC libpostproc/postprocess.h
2947 get_version LIBAVCODEC libavcodec/avcodec.h
2948 get_version LIBAVDEVICE libavdevice/avdevice.h
2949 get_version LIBAVFORMAT libavformat/avformat.h
2950 get_version LIBAVUTIL libavutil/avutil.h
2951 get_version LIBAVFILTER libavfilter/avfilter.h
2952
2953 enabled shared && cat >> config.mak <<EOF
2954 LIBTARGET=${LIBTARGET}
2955 SLIBNAME=${SLIBNAME}
2956 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2957 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2958 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2959 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2960 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2961 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2962 EOF
2963
2964 enabled asmalign_pot || align_shift="1 <<"
2965
2966 cat > $TMPH <<EOF
2967 /* Automatically generated by configure - do not modify! */
2968 #ifndef FFMPEG_CONFIG_H
2969 #define FFMPEG_CONFIG_H
2970 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2971 #define FFMPEG_LICENSE "$(c_escape $license)"
2972 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2973 #define CC_TYPE "$cc_type"
2974 #define CC_VERSION $cc_version
2975 #define restrict $_restrict
2976 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2977 #define EXTERN_PREFIX "${extern_prefix}"
2978 #define EXTERN_ASM ${extern_prefix}
2979 EOF
2980
2981 test -n "$malloc_prefix" &&
2982 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2983
2984 if enabled small || disabled optimizations; then
2985 echo "#define av_always_inline" >> $TMPH
2986 fi
2987
2988 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2989 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2990 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2991 $CONFIG_EXTRA \
2992 $DECODER_LIST \
2993 $ENCODER_LIST \
2994 $HWACCEL_LIST \
2995 $PARSER_LIST \
2996 $BSF_LIST \
2997 $DEMUXER_LIST \
2998 $MUXER_LIST \
2999 $FILTER_LIST \
3000 $PROTOCOL_LIST \
3001 $INDEV_LIST \
3002 $OUTDEV_LIST \
3003
3004 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3005 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3006
3007 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3008 cp_if_changed $TMPH config.h
3009
3010 cat > $TMPH <<EOF
3011 /* Generated by ffconf */
3012 #ifndef AVUTIL_AVCONFIG_H
3013 #define AVUTIL_AVCONFIG_H
3014 EOF
3015
3016 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3017
3018 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3019
3020 cp_if_changed $TMPH libavutil/avconfig.h
3021
3022 # build pkg-config files
3023
3024 pkgconfig_generate(){
3025 name=$1
3026 shortname=${name#lib}${build_suffix}
3027 comment=$2
3028 version=$3
3029 libs=$4
3030 requires=$5
3031 cat <<EOF > $name/$name.pc
3032 prefix=$prefix
3033 exec_prefix=\${prefix}
3034 libdir=$libdir
3035 includedir=$incdir
3036
3037 Name: $name
3038 Description: $comment
3039 Version: $version
3040 Requires: $(enabled shared || echo $requires)
3041 Requires.private: $(enabled shared && echo $requires)
3042 Conflicts:
3043 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3044 Libs.private: $(enabled shared && echo $libs)
3045 Cflags: -I\${includedir}
3046 EOF
3047 cat <<EOF > $name/$name-uninstalled.pc
3048 prefix=
3049 exec_prefix=
3050 libdir=\${pcfiledir}
3051 includedir=${source_path}
3052
3053 Name: $name
3054 Description: $comment
3055 Version: $version
3056 Requires: $requires
3057 Conflicts:
3058 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3059 Cflags: -I\${includedir}
3060 EOF
3061 }
3062
3063 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3064 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3065 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3066 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3067 enabled avfilter &&
3068 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3069 enabled postproc &&
3070 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3071 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"