Initialize thread_context[0] with h264 parser context.
[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 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
235 Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
238 --enable-gprof enable profiling with gprof [$gprof]
239 --disable-optimizations disable compiler optimizations
240 --enable-extra-warnings enable more compiler warnings
241 --disable-stripping disable stripping of executables and shared libraries
242
243 NOTE: Object files are built at the place where configure is launched.
244 EOF
245 exit 0
246 }
247
248 log(){
249 echo "$@" >> $logfile
250 }
251
252 log_file(){
253 log BEGIN $1
254 pr -n -t $1 >> $logfile
255 log END $1
256 }
257
258 echolog(){
259 log "$@"
260 echo "$@"
261 }
262
263 die(){
264 echolog "$@"
265 cat <<EOF
266
267 If you think configure made a mistake, make sure you are using the latest
268 version from SVN. If the latest version fails, report the problem to the
269 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
270 EOF
271 if disabled logging; then
272 cat <<EOF
273 Rerun configure with logging enabled (do not use --disable-logging), and
274 include the log this produces with your report.
275 EOF
276 else
277 cat <<EOF
278 Include the log file "$logfile" produced by configure as this will help
279 solving the problem.
280 EOF
281 fi
282 exit 1
283 }
284
285 # Avoid locale weirdness, besides we really just want to translate ASCII.
286 toupper(){
287 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
288 }
289
290 tolower(){
291 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
292 }
293
294 c_escape(){
295 echo "$*" | sed 's/["\\]/\\\0/g'
296 }
297
298 sh_quote(){
299 v=$(echo "$1" | sed "s/'/'\\\\''/g")
300 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
301 echo "$v"
302 }
303
304 filter(){
305 pat=$1
306 shift
307 for v; do
308 eval "case $v in $pat) echo $v ;; esac"
309 done
310 }
311
312 set_all(){
313 value=$1
314 shift
315 for var in $*; do
316 eval $var=$value
317 done
318 }
319
320 set_weak(){
321 value=$1
322 shift
323 for var; do
324 eval : \${$var:=$value}
325 done
326 }
327
328 pushvar(){
329 for var in $*; do
330 eval level=\${${var}_level:=0}
331 eval ${var}_${level}="\$$var"
332 eval ${var}_level=$(($level+1))
333 done
334 }
335
336 popvar(){
337 for var in $*; do
338 eval level=\${${var}_level:-0}
339 test $level = 0 && continue
340 eval level=$(($level-1))
341 eval $var="\${${var}_${level}}"
342 eval ${var}_level=$level
343 eval unset ${var}_${level}
344 done
345 }
346
347 enable(){
348 set_all yes $*
349 }
350
351 disable(){
352 set_all no $*
353 }
354
355 enable_weak(){
356 set_weak yes $*
357 }
358
359 disable_weak(){
360 set_weak no $*
361 }
362
363 enable_safe(){
364 for var; do
365 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
366 done
367 }
368
369 disable_safe(){
370 for var; do
371 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
372 done
373 }
374
375 do_enable_deep(){
376 for var; do
377 enabled $var && continue
378 eval sel="\$${var}_select"
379 eval sgs="\$${var}_suggest"
380 pushvar var sgs
381 enable_deep $sel
382 popvar sgs
383 enable_deep_weak $sgs
384 popvar var
385 done
386 }
387
388 enable_deep(){
389 do_enable_deep $*
390 enable $*
391 }
392
393 enable_deep_weak(){
394 do_enable_deep $*
395 enable_weak $*
396 }
397
398 enabled(){
399 test "${1#!}" = "$1" && op== || op=!=
400 eval test "x\$${1#!}" $op "xyes"
401 }
402
403 disabled(){
404 test "${1#!}" = "$1" && op== || op=!=
405 eval test "x\$${1#!}" $op "xno"
406 }
407
408 enabled_all(){
409 for opt; do
410 enabled $opt || return 1
411 done
412 }
413
414 disabled_all(){
415 for opt; do
416 disabled $opt || return 1
417 done
418 }
419
420 enabled_any(){
421 for opt; do
422 enabled $opt && return 0
423 done
424 }
425
426 disabled_any(){
427 for opt; do
428 disabled $opt && return 0
429 done
430 return 1
431 }
432
433 set_default(){
434 for opt; do
435 eval : \${$opt:=\$${opt}_default}
436 done
437 }
438
439 is_in(){
440 value=$1
441 shift
442 for var in $*; do
443 [ $var = $value ] && return 0
444 done
445 return 1
446 }
447
448 check_deps(){
449 for cfg; do
450 cfg="${cfg#!}"
451 enabled ${cfg}_checking && die "Circular dependency for $cfg."
452 disabled ${cfg}_checking && continue
453 enable ${cfg}_checking
454
455 eval dep_all="\$${cfg}_deps"
456 eval dep_any="\$${cfg}_deps_any"
457 eval dep_sel="\$${cfg}_select"
458 eval dep_sgs="\$${cfg}_suggest"
459 eval dep_ifa="\$${cfg}_if"
460 eval dep_ifn="\$${cfg}_if_any"
461
462 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
463 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
464 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
466 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
467 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
468 enabled_all $dep_all || disable $cfg
469 enabled_any $dep_any || disable $cfg
470 disabled_any $dep_sel && disable $cfg
471
472 if enabled $cfg; then
473 eval dep_extralibs="\$${cfg}_extralibs"
474 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
475 enable_deep $dep_sel
476 enable_deep_weak $dep_sgs
477 fi
478
479 disable ${cfg}_checking
480 done
481 }
482
483 print_config(){
484 pfx=$1
485 header=$2
486 makefile=$3
487 shift 3
488 for cfg; do
489 ucname="$(toupper $cfg)"
490 if enabled $cfg; then
491 echo "#define ${pfx}${ucname} 1" >> $header
492 echo "${pfx}${ucname}=yes" >> $makefile
493 else
494 echo "#define ${pfx}${ucname} 0" >> $header
495 echo "!${pfx}${ucname}=yes" >> $makefile
496 fi
497 done
498 }
499
500 flags_saved(){
501 (: ${SAVE_CFLAGS?}) 2> /dev/null
502 }
503
504 save_flags(){
505 flags_saved && return
506 SAVE_CFLAGS="$CFLAGS"
507 SAVE_LDFLAGS="$LDFLAGS"
508 SAVE_extralibs="$extralibs"
509 }
510
511 restore_flags(){
512 flags_saved || return
513 CFLAGS="$SAVE_CFLAGS"
514 LDFLAGS="$SAVE_LDFLAGS"
515 extralibs="$SAVE_extralibs"
516 unset SAVE_CFLAGS
517 unset SAVE_LDFLAGS
518 unset SAVE_extralibs
519 }
520
521 temp_cflags(){
522 save_flags
523 CFLAGS="$CFLAGS $*"
524 }
525
526 temp_ldflags(){
527 save_flags
528 LDFLAGS="$LDFLAGS $*"
529 }
530
531 temp_extralibs(){
532 save_flags
533 extralibs="$extralibs $*"
534 }
535
536 append(){
537 var=$1
538 shift
539 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
540 eval "$var=\"\$$var $*\""
541 }
542
543 add_cppflags(){
544 append CPPFLAGS $($filter_cppflags "$@")
545 }
546
547 add_cflags(){
548 append CFLAGS $($filter_cflags "$@")
549 }
550
551 add_asflags(){
552 append ASFLAGS $($filter_asflags "$@")
553 }
554
555 add_ldflags(){
556 append LDFLAGS "$@"
557 }
558
559 add_extralibs(){
560 append extralibs "$@"
561 }
562
563 check_cmd(){
564 log "$@"
565 "$@" >> $logfile 2>&1
566 }
567
568 check_cc(){
569 log check_cc "$@"
570 cat > $TMPC
571 log_file $TMPC
572 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
573 }
574
575 check_cpp(){
576 log check_cpp "$@"
577 cat > $TMPC
578 log_file $TMPC
579 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
580 }
581
582 check_as(){
583 log check_as "$@"
584 cat > $TMPC
585 log_file $TMPC
586 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
587 }
588
589 check_asm(){
590 log check_asm "$@"
591 name="$1"
592 code="$2"
593 shift 2
594 disable $name
595 check_as "$@" <<EOF && enable $name
596 void foo(void){ __asm__ volatile($code); }
597 EOF
598 }
599
600 check_yasm(){
601 log check_yasm "$@"
602 echo "$1" > $TMPS
603 log_file $TMPS
604 shift 1
605 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
606 }
607
608 check_ld(){
609 log check_ld "$@"
610 flags=''
611 libs=''
612 for f; do
613 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
614 done
615 check_cc $($filter_cflags $flags) || return
616 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
617 }
618
619 check_cppflags(){
620 log check_cppflags "$@"
621 set -- $($filter_cppflags "$@")
622 check_cc "$@" <<EOF && append CPPFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 check_cflags(){
628 log check_cflags "$@"
629 set -- $($filter_cflags "$@")
630 check_cc "$@" <<EOF && append CFLAGS "$@"
631 int x;
632 EOF
633 }
634
635 test_ldflags(){
636 log test_ldflags "$@"
637 check_ld "$@" <<EOF
638 int main(void){ return 0; }
639 EOF
640 }
641
642 check_ldflags(){
643 log check_ldflags "$@"
644 test_ldflags "$@" && add_ldflags "$@"
645 }
646
647 check_header(){
648 log check_header "$@"
649 header=$1
650 shift
651 disable_safe $header
652 check_cpp "$@" <<EOF && enable_safe $header
653 #include <$header>
654 int x;
655 EOF
656 }
657
658 check_func(){
659 log check_func "$@"
660 func=$1
661 shift
662 disable $func
663 check_ld "$@" <<EOF && enable $func
664 extern int $func();
665 int main(void){ $func(); }
666 EOF
667 }
668
669 check_func_headers(){
670 log check_func_headers "$@"
671 headers=$1
672 func=$2
673 shift 2
674 disable $func
675 incs=""
676 for hdr in $headers; do
677 incs="$incs
678 #include <$hdr>"
679 done
680 check_ld "$@" <<EOF && enable $func && enable_safe $headers
681 $incs
682 int main(int argc, char **argv){
683 return (long) $func;
684 }
685 EOF
686 }
687
688 check_cpp_condition(){
689 log check_cpp_condition "$@"
690 header=$1
691 condition=$2
692 shift 2
693 check_cpp $($filter_cppflags "$@") <<EOF
694 #include <$header>
695 #if !($condition)
696 #error "unsatisfied condition: $condition"
697 #endif
698 EOF
699 }
700
701 check_lib(){
702 log check_lib "$@"
703 header="$1"
704 func="$2"
705 shift 2
706 temp_extralibs "$@"
707 check_header $header && check_func $func && add_extralibs "$@"
708 err=$?
709 restore_flags
710 return $err
711 }
712
713 check_lib2(){
714 log check_lib2 "$@"
715 headers="$1"
716 func="$2"
717 shift 2
718 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726 code=$(cat)
727
728 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
729 # are safe but may not be available everywhere. Thus we use
730 # raise(SIGTERM) instead. The check is run in a subshell so we
731 # can redirect the "Terminated" message from the shell. SIGBUS
732 # is not defined by standard C so it is used conditionally.
733
734 (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737 raise(SIGTERM);
738 }
739 int main(void){
740 signal(SIGILL, sighandler);
741 signal(SIGFPE, sighandler);
742 signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744 signal(SIGBUS, sighandler);
745 #endif
746 { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752 log check_type "$@"
753 headers=$1
754 type=$2
755 shift 2
756 disable_safe "$type"
757 incs=""
758 for hdr in $headers; do
759 incs="$incs
760 #include <$hdr>"
761 done
762 check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769 log check_type "$@"
770 headers=$1
771 struct=$2
772 member=$3
773 shift 3
774 disable_safe "${struct}_${member}"
775 incs=""
776 for hdr in $headers; do
777 incs="$incs
778 #include <$hdr>"
779 done
780 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787 name="$1"
788 header="$2"
789 func="$3"
790 shift 3
791 check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795 name="$1"
796 headers="$2"
797 func="$3"
798 shift 3
799 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_foo_config(){
803 cfg=$1
804 pkg=$2
805 header=$3
806 func=$4
807 shift 4
808 disable $cfg
809 check_cmd ${pkg}-config --version
810 err=$?
811 if test "$err" = 0; then
812 temp_cflags $(${pkg}-config --cflags)
813 temp_extralibs $(${pkg}-config --libs)
814 check_lib "$@" $header $func && enable $cfg
815 fi
816 return $err
817 }
818
819 check_host_cc(){
820 log check_host_cc "$@"
821 cat > $TMPC
822 log_file $TMPC
823 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
824 }
825
826 check_host_cflags(){
827 log check_host_cflags "$@"
828 check_host_cc "$@" <<EOF && append host_cflags "$@"
829 int x;
830 EOF
831 }
832
833 apply(){
834 file=$1
835 shift
836 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
837 }
838
839 cp_if_changed(){
840 cmp -s "$1" "$2" &&
841 echo "$2 is unchanged" ||
842 cp -f "$1" "$2"
843 }
844
845 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
846 # system-dependent things.
847
848 COMPONENT_LIST="
849 bsfs
850 decoders
851 demuxers
852 encoders
853 filters
854 hwaccels
855 indevs
856 muxers
857 outdevs
858 parsers
859 protocols
860 "
861
862 CONFIG_LIST="
863 $COMPONENT_LIST
864 aandct
865 avcodec
866 avdevice
867 avfilter
868 avfilter_lavf
869 avformat
870 avisynth
871 beos_netserver
872 bzlib
873 dct
874 doc
875 dxva2
876 fastdiv
877 ffmpeg
878 ffplay
879 ffserver
880 fft
881 golomb
882 gpl
883 gprof
884 gray
885 hardcoded_tables
886 libdc1394
887 libdirac
888 libfaac
889 libfaad
890 libfaadbin
891 libgsm
892 libmp3lame
893 libnut
894 libopencore_amrnb
895 libopencore_amrwb
896 libopenjpeg
897 libschroedinger
898 libspeex
899 libtheora
900 libvorbis
901 libx264
902 libxvid
903 lpc
904 mdct
905 memalign_hack
906 mlib
907 mpegaudio_hp
908 network
909 nonfree
910 pic
911 postproc
912 powerpc_perf
913 rdft
914 runtime_cpudetect
915 shared
916 small
917 static
918 swscale
919 swscale_alpha
920 vaapi
921 vdpau
922 version3
923 x11grab
924 zlib
925 "
926
927 THREADS_LIST='
928 beosthreads
929 os2threads
930 pthreads
931 w32threads
932 '
933
934 ARCH_LIST='
935 alpha
936 arm
937 avr32
938 avr32_ap
939 avr32_uc
940 bfin
941 ia64
942 m68k
943 mips
944 mips64
945 parisc
946 ppc
947 ppc64
948 s390
949 sh4
950 sparc
951 sparc64
952 x86
953 x86_32
954 x86_64
955 '
956
957 ARCH_EXT_LIST='
958 altivec
959 amd3dnow
960 amd3dnowext
961 armv5te
962 armv6
963 armv6t2
964 armvfp
965 iwmmxt
966 mmi
967 mmx
968 mmx2
969 neon
970 ppc4xx
971 sse
972 ssse3
973 vis
974 '
975
976 HAVE_LIST_PUB='
977 bigendian
978 '
979
980 HAVE_LIST="
981 $ARCH_EXT_LIST
982 $HAVE_LIST_PUB
983 $THREADS_LIST
984 alsa_asoundlib_h
985 altivec_h
986 arpa_inet_h
987 attribute_packed
988 bswap
989 closesocket
990 cmov
991 conio_h
992 dcbzl
993 dev_bktr_ioctl_bt848_h
994 dev_bktr_ioctl_meteor_h
995 dev_ic_bt8xx_h
996 dev_video_meteor_ioctl_meteor_h
997 dev_video_bktr_ioctl_bt848_h
998 dlfcn_h
999 dlopen
1000 dos_paths
1001 ebp_available
1002 ebx_available
1003 exp2
1004 exp2f
1005 fast_64bit
1006 fast_clz
1007 fast_cmov
1008 fast_unaligned
1009 fork
1010 getaddrinfo
1011 gethrtime
1012 GetProcessTimes
1013 getrusage
1014 inet_aton
1015 inline_asm
1016 isatty
1017 ldbrx
1018 libdc1394_1
1019 libdc1394_2
1020 llrint
1021 log2
1022 log2f
1023 loongson
1024 lrint
1025 lrintf
1026 lzo1x_999_compress
1027 machine_ioctl_bt848_h
1028 machine_ioctl_meteor_h
1029 malloc_h
1030 memalign
1031 mkstemp
1032 pld
1033 posix_memalign
1034 round
1035 roundf
1036 sdl
1037 sdl_video_size
1038 setmode
1039 socklen_t
1040 soundcard_h
1041 poll_h
1042 struct_addrinfo
1043 struct_ipv6_mreq
1044 struct_sockaddr_in6
1045 struct_sockaddr_sa_len
1046 struct_sockaddr_storage
1047 sys_mman_h
1048 sys_resource_h
1049 sys_select_h
1050 sys_soundcard_h
1051 sys_videoio_h
1052 ten_operands
1053 termios_h
1054 threads
1055 truncf
1056 vfp_args
1057 VirtualAlloc
1058 winsock2_h
1059 xform_asm
1060 yasm
1061 "
1062
1063 # options emitted with CONFIG_ prefix but not available on command line
1064 CONFIG_EXTRA="
1065 avutil
1066 gplv3
1067 lgplv3
1068 "
1069
1070 CMDLINE_SELECT="
1071 $ARCH_EXT_LIST
1072 $CONFIG_LIST
1073 $THREADS_LIST
1074 asm
1075 cross_compile
1076 debug
1077 extra_warnings
1078 logging
1079 optimizations
1080 stripping
1081 yasm
1082 "
1083
1084 PATHS_LIST='
1085 bindir
1086 datadir
1087 incdir
1088 libdir
1089 mandir
1090 prefix
1091 shlibdir
1092 '
1093
1094 CMDLINE_SET="
1095 $PATHS_LIST
1096 arch
1097 as
1098 build_suffix
1099 cc
1100 cpu
1101 cross_prefix
1102 dep_cc
1103 extra_version
1104 host_cc
1105 host_cflags
1106 host_ldflags
1107 host_libs
1108 host_os
1109 ld
1110 logfile
1111 nm
1112 source_path
1113 sysinclude
1114 sysroot
1115 target_exec
1116 target_os
1117 target_path
1118 "
1119
1120 CMDLINE_APPEND="
1121 extra_cflags
1122 "
1123
1124 # code dependency declarations
1125
1126 # architecture extensions
1127
1128 armv5te_deps="arm"
1129 armv6_deps="arm"
1130 armv6t2_deps="arm"
1131 armvfp_deps="arm"
1132 iwmmxt_deps="arm"
1133 neon_deps="arm"
1134
1135 mmi_deps="mips"
1136
1137 altivec_deps="ppc"
1138 ppc4xx_deps="ppc"
1139
1140 vis_deps="sparc"
1141
1142 x86_64_suggest="cmov fast_cmov"
1143 amd3dnow_deps="mmx"
1144 amd3dnowext_deps="amd3dnow"
1145 mmx_deps="x86"
1146 mmx2_deps="mmx"
1147 sse_deps="mmx"
1148 ssse3_deps="sse"
1149
1150 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1151 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1152 fast_unaligned_if_any="armv6 ppc x86"
1153
1154 need_memalign="altivec neon sse"
1155 inline_asm_deps="!tms470"
1156
1157 # decoders / encoders / hardware accelerators
1158 aac_decoder_select="fft mdct aac_parser"
1159 aac_encoder_select="fft mdct"
1160 ac3_decoder_select="fft mdct ac3_parser"
1161 alac_encoder_select="lpc"
1162 atrac3_decoder_select="fft mdct"
1163 cavs_decoder_select="golomb"
1164 cook_decoder_select="fft mdct"
1165 cscd_decoder_suggest="zlib"
1166 dca_decoder_select="fft mdct"
1167 dnxhd_encoder_select="aandct"
1168 dxa_decoder_select="zlib"
1169 eac3_decoder_select="ac3_decoder"
1170 eamad_decoder_select="aandct"
1171 eatgq_decoder_select="aandct"
1172 eatqi_decoder_select="aandct"
1173 ffv1_decoder_select="golomb"
1174 flac_decoder_select="golomb"
1175 flac_encoder_select="golomb lpc"
1176 flashsv_decoder_select="zlib"
1177 flashsv_encoder_select="zlib"
1178 flv_decoder_select="h263_decoder"
1179 flv_encoder_select="h263_encoder"
1180 h261_encoder_select="aandct"
1181 h263_decoder_select="h263_parser"
1182 h263_encoder_select="aandct"
1183 h263_vaapi_hwaccel_deps="va_va_h"
1184 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1185 h263i_decoder_select="h263_decoder"
1186 h263p_encoder_select="h263_encoder"
1187 h264_decoder_select="golomb"
1188 h264_dxva2_hwaccel_deps="dxva2api_h"
1189 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1190 h264_vaapi_hwaccel_deps="va_va_h"
1191 h264_vaapi_hwaccel_select="vaapi"
1192 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1193 h264_vdpau_decoder_select="vdpau h264_decoder"
1194 imc_decoder_select="fft mdct"
1195 jpegls_decoder_select="golomb"
1196 jpegls_encoder_select="golomb"
1197 ljpeg_encoder_select="aandct"
1198 loco_decoder_select="golomb"
1199 mjpeg_encoder_select="aandct"
1200 mlp_decoder_select="mlp_parser"
1201 mpeg1video_encoder_select="aandct"
1202 mpeg2video_encoder_select="aandct"
1203 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1204 mpeg4_encoder_select="h263_encoder"
1205 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1206 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1207 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1208 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1209 mpeg2_vaapi_hwaccel_deps="va_va_h"
1210 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1211 mpeg4_vaapi_hwaccel_deps="va_va_h"
1212 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1213 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1214 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1215 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1216 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1217 msmpeg4v1_decoder_select="h263_decoder"
1218 msmpeg4v1_encoder_select="h263_encoder"
1219 msmpeg4v2_decoder_select="h263_decoder"
1220 msmpeg4v2_encoder_select="h263_encoder"
1221 msmpeg4v3_decoder_select="h263_decoder"
1222 msmpeg4v3_encoder_select="h263_encoder"
1223 nellymoser_decoder_select="fft mdct"
1224 nellymoser_encoder_select="fft mdct"
1225 png_decoder_select="zlib"
1226 png_encoder_select="zlib"
1227 qdm2_decoder_select="fft mdct rdft"
1228 rv10_decoder_select="h263_decoder"
1229 rv10_encoder_select="h263_encoder"
1230 rv20_decoder_select="h263_decoder"
1231 rv20_encoder_select="h263_encoder"
1232 rv30_decoder_select="golomb"
1233 rv40_decoder_select="golomb"
1234 shorten_decoder_select="golomb"
1235 sonic_decoder_select="golomb"
1236 sonic_encoder_select="golomb"
1237 sonic_ls_encoder_select="golomb"
1238 svq3_decoder_select="golomb"
1239 svq3_decoder_suggest="zlib"
1240 theora_decoder_select="vp3_decoder"
1241 tiff_decoder_suggest="zlib"
1242 tiff_encoder_suggest="zlib"
1243 truehd_decoder_select="mlp_decoder"
1244 tscc_decoder_select="zlib"
1245 vc1_decoder_select="h263_decoder"
1246 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1247 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1248 vc1_vaapi_hwaccel_deps="va_va_h"
1249 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1250 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1251 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1252 vorbis_decoder_select="fft mdct"
1253 vorbis_encoder_select="fft mdct"
1254 vp6a_decoder_select="vp6_decoder"
1255 vp6f_decoder_select="vp6_decoder"
1256 wmav1_decoder_select="fft mdct"
1257 wmav1_encoder_select="fft mdct"
1258 wmav2_decoder_select="fft mdct"
1259 wmav2_encoder_select="fft mdct"
1260 wmv1_decoder_select="h263_decoder"
1261 wmv1_encoder_select="h263_encoder"
1262 wmv2_decoder_select="h263_decoder"
1263 wmv2_encoder_select="h263_encoder"
1264 wmv3_decoder_select="vc1_decoder"
1265 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1266 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1267 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1268 zlib_decoder_select="zlib"
1269 zlib_encoder_select="zlib"
1270 zmbv_decoder_select="zlib"
1271 zmbv_encoder_select="zlib"
1272
1273 # parsers
1274 h264_parser_select="golomb"
1275
1276 # bitstream_filters
1277 aac_adtstoasc_bsf_select="aac_parser"
1278
1279 # external libraries
1280 libdirac_decoder_deps="libdirac !libschroedinger"
1281 libdirac_encoder_deps="libdirac"
1282 libfaac_encoder_deps="libfaac"
1283 libfaad_decoder_deps="libfaad"
1284 libfaadbin_decoder_extralibs='$ldl'
1285 libgsm_decoder_deps="libgsm"
1286 libgsm_encoder_deps="libgsm"
1287 libgsm_ms_decoder_deps="libgsm"
1288 libgsm_ms_encoder_deps="libgsm"
1289 libmp3lame_encoder_deps="libmp3lame"
1290 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1291 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1292 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1293 libopenjpeg_decoder_deps="libopenjpeg"
1294 libschroedinger_decoder_deps="libschroedinger"
1295 libschroedinger_encoder_deps="libschroedinger"
1296 libspeex_decoder_deps="libspeex"
1297 libtheora_encoder_deps="libtheora"
1298 libvorbis_encoder_deps="libvorbis"
1299 libx264_encoder_deps="libx264"
1300 libxvid_encoder_deps="libxvid"
1301
1302 # demuxers / muxers
1303 ac3_demuxer_deps="ac3_parser"
1304 asf_stream_muxer_select="asf_muxer"
1305 avisynth_demuxer_deps="avisynth"
1306 dirac_demuxer_deps="dirac_parser"
1307 eac3_demuxer_select="ac3_parser"
1308 ipod_muxer_select="mov_muxer"
1309 libnut_demuxer_deps="libnut"
1310 libnut_muxer_deps="libnut"
1311 matroska_audio_muxer_select="matroska_muxer"
1312 matroska_demuxer_suggest="zlib bzlib"
1313 mov_demuxer_suggest="zlib"
1314 mp3_demuxer_deps="mpegaudio_parser"
1315 mp4_muxer_select="mov_muxer"
1316 mpegtsraw_demuxer_select="mpegts_demuxer"
1317 mxf_d10_muxer_select="mxf_muxer"
1318 ogg_demuxer_select="golomb"
1319 psp_muxer_select="mov_muxer"
1320 rtsp_demuxer_deps="sdp_demuxer"
1321 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1322 spdif_muxer_select="aac_parser"
1323 tg2_muxer_select="mov_muxer"
1324 tgp_muxer_select="mov_muxer"
1325 w64_demuxer_deps="wav_demuxer"
1326
1327 # indevs / outdevs
1328 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1329 alsa_indev_extralibs="-lasound"
1330 alsa_outdev_deps="alsa_asoundlib_h"
1331 alsa_outdev_extralibs="-lasound"
1332 audio_beos_indev_deps="audio_beos"
1333 audio_beos_indev_extralibs="-lmedia -lbe"
1334 audio_beos_outdev_deps="audio_beos"
1335 audio_beos_outdev_extralibs="-lmedia -lbe"
1336 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1337 dv1394_indev_deps="dv1394 dv_demuxer"
1338 jack_indev_deps="jack_jack_h"
1339 jack_indev_extralibs="-ljack"
1340 libdc1394_indev_deps="libdc1394"
1341 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1342 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1343 v4l_indev_deps="linux_videodev_h"
1344 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1345 vfwcap_indev_deps="capCreateCaptureWindow"
1346 vfwcap_indev_extralibs="-lavicap32"
1347 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1348 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1349
1350 # protocols
1351 gopher_protocol_deps="network"
1352 http_protocol_deps="network"
1353 rtmp_protocol_deps="tcp_protocol"
1354 rtp_protocol_deps="udp_protocol"
1355 tcp_protocol_deps="network"
1356 udp_protocol_deps="network"
1357
1358 # filters
1359 movie_filter_deps="avfilter_lavf"
1360 avfilter_lavf_deps="avformat"
1361
1362 # libraries
1363 avdevice_deps="avcodec avformat"
1364 avformat_deps="avcodec"
1365
1366 # programs
1367 ffmpeg_deps="avcodec avformat swscale"
1368 ffplay_deps="avcodec avformat swscale sdl"
1369 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1370 ffserver_extralibs='$ldl'
1371
1372 doc_deps="texi2html"
1373
1374 # default parameters
1375
1376 logfile="config.err"
1377
1378 # installation paths
1379 prefix_default="/usr/local"
1380 bindir_default='${prefix}/bin'
1381 datadir_default='${prefix}/share/ffmpeg'
1382 incdir_default='${prefix}/include'
1383 libdir_default='${prefix}/lib'
1384 mandir_default='${prefix}/share/man'
1385 shlibdir_default="$libdir_default"
1386
1387 # toolchain
1388 ar="ar"
1389 cc_default="gcc"
1390 cc_version=\"unknown\"
1391 host_cc_default="gcc"
1392 ln_s="ln -sf"
1393 nm_default="nm"
1394 objformat="elf"
1395 ranlib="ranlib"
1396 strip="strip"
1397 yasmexe="yasm"
1398
1399 nm_opts='-g'
1400
1401 # machine
1402 arch=$(uname -m)
1403 cpu="generic"
1404
1405 # OS
1406 target_os=$(tolower $(uname -s))
1407 host_os=$target_os
1408
1409 # configurable options
1410 enable avcodec
1411 enable avdevice
1412 enable avformat
1413 enable avutil
1414 enable asm
1415 enable debug
1416 enable doc
1417 enable fastdiv
1418 enable ffmpeg
1419 enable ffplay
1420 enable ffserver
1421 enable mpegaudio_hp
1422 enable network
1423 enable optimizations
1424 enable protocols
1425 enable static
1426 enable stripping
1427 enable swscale
1428 enable swscale_alpha
1429
1430 # build settings
1431 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1432 FFSERVERLDFLAGS=-Wl,-E
1433 LIBPREF="lib"
1434 LIBSUF=".a"
1435 FULLNAME='$(NAME)$(BUILDSUF)'
1436 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1437 SLIBPREF="lib"
1438 SLIBSUF=".so"
1439 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1440 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1441 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1442 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1443
1444 CC_O='-o $@'
1445
1446 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1447 host_libs='-lm'
1448
1449 target_path='.'
1450
1451 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1452 # full relative path for objects in subdirectories for non-recursive Make.
1453 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1454 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1455
1456 # find source path
1457 source_path="$(dirname "$0")"
1458 enable source_path_used
1459 if test -f configure; then
1460 source_path="$(pwd)"
1461 disable source_path_used
1462 else
1463 source_path="$(cd "$source_path"; pwd)"
1464 echo "$source_path" | grep -q '[[:blank:]]' &&
1465 die "Out of tree builds are impossible with whitespace in source path."
1466 test -e "$source_path/config.h" &&
1467 die "Out of tree builds are impossible with config.h in source dir."
1468 fi
1469
1470 for v in "$@"; do
1471 r=${v#*=}
1472 l=${v%"$r"}
1473 r=$(sh_quote "$r")
1474 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1475 done
1476
1477 find_things(){
1478 thing=$1
1479 pattern=$2
1480 file=$source_path/$3
1481 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1482 }
1483
1484 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1485 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1486 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1487 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1488 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1489 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1490 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1491 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1492 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1493 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1494 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1495
1496 enable $ARCH_EXT_LIST \
1497 $DECODER_LIST \
1498 $ENCODER_LIST \
1499 $HWACCEL_LIST \
1500 $PARSER_LIST \
1501 $BSF_LIST \
1502 $DEMUXER_LIST \
1503 $MUXER_LIST \
1504 $FILTER_LIST \
1505 $PROTOCOL_LIST \
1506 $INDEV_LIST \
1507 $OUTDEV_LIST \
1508
1509 die_unknown(){
1510 echo "Unknown option \"$1\"."
1511 echo "See $0 --help for available options."
1512 exit 1
1513 }
1514
1515 show_list() {
1516 suffix=_$1
1517 shift
1518 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1519 exit 0
1520 }
1521
1522 for opt do
1523 optval="${opt#*=}"
1524 case "$opt" in
1525 --extra-ldflags=*) add_ldflags $optval
1526 ;;
1527 --extra-libs=*) add_extralibs $optval
1528 ;;
1529 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1530 ;;
1531 --enable-debug=*) debuglevel="$optval"
1532 ;;
1533 --enable-*=*|--disable-*=*)
1534 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1535 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1536 eval list=\$$(toupper $thing)_LIST
1537 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1538 $action $(filter "$name" $list)
1539 ;;
1540 --enable-?*|--disable-?*)
1541 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1542 if is_in $option $COMPONENT_LIST; then
1543 test $action = disable && action=unset
1544 eval $action \$$(toupper ${option%s})_LIST
1545 elif is_in $option $CMDLINE_SELECT; then
1546 $action $option
1547 else
1548 die_unknown $opt
1549 fi
1550 ;;
1551 --list-*)
1552 NAME="${opt#--list-}"
1553 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1554 NAME=${NAME%s}
1555 eval show_list $NAME \$$(toupper $NAME)_LIST
1556 ;;
1557 --help|-h) show_help
1558 ;;
1559 *)
1560 optname="${opt%%=*}"
1561 optname="${optname#--}"
1562 optname=$(echo "$optname" | sed 's/-/_/g')
1563 if is_in $optname $CMDLINE_SET; then
1564 eval $optname='$optval'
1565 elif is_in $optname $CMDLINE_APPEND; then
1566 append $optname "$optval"
1567 else
1568 die_unknown $opt
1569 fi
1570 ;;
1571 esac
1572 done
1573
1574 disabled logging && logfile=/dev/null
1575
1576 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1577 set >> $logfile
1578
1579 test -n "$cross_prefix" && enable cross_compile
1580
1581 ar="${cross_prefix}${ar}"
1582 cc_default="${cross_prefix}${cc_default}"
1583 nm_default="${cross_prefix}${nm_default}"
1584 ranlib="${cross_prefix}${ranlib}"
1585 strip="${cross_prefix}${strip}"
1586
1587 sysinclude_default="${sysroot}/usr/include"
1588
1589 set_default cc nm sysinclude
1590 enabled cross_compile || host_cc_default=$cc
1591 set_default host_cc
1592
1593 exesuf() {
1594 case $1 in
1595 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1596 esac
1597 }
1598
1599 EXESUF=$(exesuf $target_os)
1600 HOSTEXESUF=$(exesuf $host_os)
1601
1602 # set temporary file name
1603 : ${TMPDIR:=$TEMPDIR}
1604 : ${TMPDIR:=$TMP}
1605 : ${TMPDIR:=/tmp}
1606
1607 if ! check_cmd type mktemp; then
1608 # simple replacement for missing mktemp
1609 # NOT SAFE FOR GENERAL USE
1610 mktemp(){
1611 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1612 }
1613 fi
1614
1615 tmpfile(){
1616 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1617 (set -C; exec > $tmp) 2>/dev/null ||
1618 die "Unable to create temporary file in $TMPDIR."
1619 append TMPFILES $tmp
1620 eval $1=$tmp
1621 }
1622
1623 trap 'rm -f -- $TMPFILES' EXIT
1624 trap exit HUP INT TERM
1625
1626 tmpfile TMPC .c
1627 tmpfile TMPE $EXESUF
1628 tmpfile TMPH .h
1629 tmpfile TMPO .o
1630 tmpfile TMPS .S
1631 tmpfile TMPV .ver
1632 tmpfile TMPSH .sh
1633
1634 unset -f mktemp
1635
1636 # make sure we can execute files in $TMPDIR
1637 cat > $TMPSH 2>> $logfile <<EOF
1638 #! /bin/sh
1639 EOF
1640 chmod +x $TMPSH >> $logfile 2>&1
1641 if ! $TMPSH >> $logfile 2>&1; then
1642 cat <<EOF
1643 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1644 variable to another directory and make sure that it is not mounted noexec.
1645 EOF
1646 die "Sanity test failed."
1647 fi
1648
1649 filter_cflags=echo
1650 filter_cppflags=echo
1651 filter_asflags=echo
1652
1653 if $cc -v 2>&1 | grep -qi ^gcc; then
1654 cc_type=gcc
1655 cc_version=__VERSION__
1656 if ! $cc -dumpversion | grep -q '^2\.'; then
1657 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1658 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1659 fi
1660 speed_cflags='-O3'
1661 size_cflags='-Os'
1662 elif $cc --version 2>/dev/null | grep -q Intel; then
1663 cc_type=icc
1664 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1665 CC_DEPFLAGS='-MMD'
1666 AS_DEPFLAGS='-MMD'
1667 speed_cflags='-O3'
1668 size_cflags='-Os'
1669 elif $cc -v 2>&1 | grep -q xlc; then
1670 cc_type=xlc
1671 cc_version="AV_STRINGIFY(__IBMC__)"
1672 speed_cflags='-O5'
1673 size_cflags='-O5 -qcompact'
1674 elif $cc -V 2>/dev/null | grep -q Compaq; then
1675 cc_type=ccc
1676 cc_version="AV_STRINGIFY(__DECC_VER)"
1677 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1678 debuglevel=3
1679 add_ldflags -Wl,-z,now # calls to libots crash without this
1680 speed_cflags='-fast'
1681 size_cflags='-O1'
1682 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1683 test -d "$sysroot" || die "No valid sysroot specified."
1684 cc_type=armcc
1685 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1686 armcc_conf="$PWD/armcc.conf"
1687 $cc --arm_linux_configure \
1688 --arm_linux_config_file="$armcc_conf" \
1689 --configure_sysroot="$sysroot" \
1690 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1691 die "Error creating armcc configuration file."
1692 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1693 as_default="${cross_prefix}gcc"
1694 CC_DEPFLAGS='-MMD'
1695 AS_DEPFLAGS='-MMD'
1696 speed_cflags='-O3'
1697 size_cflags='-Os'
1698 elif $cc -version 2>/dev/null | grep -q TMS470; then
1699 cc_type=tms470
1700 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1701 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1702 CC_O='-fr=$(@D)'
1703 as_default="${cross_prefix}gcc"
1704 ld_default="${cross_prefix}gcc"
1705 TMPO=$(basename $TMPC .c).o
1706 append TMPFILES $TMPO
1707 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1708 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1709 AS_DEPFLAGS='-MMD'
1710 speed_cflags='-O3 -mf=5'
1711 size_cflags='-O3 -mf=2'
1712 filter_cflags=tms470_flags
1713 tms470_flags(){
1714 for flag; do
1715 case $flag in
1716 -march=*|-mcpu=*)
1717 case "${flag#*=}" in
1718 armv7-a|cortex-a*) echo -mv=7a8 ;;
1719 armv7-r|cortex-r*) echo -mv=7r4 ;;
1720 armv7-m|cortex-m*) echo -mv=7m3 ;;
1721 armv6*|arm11*) echo -mv=6 ;;
1722 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1723 echo -mv=5e ;;
1724 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1725 esac
1726 ;;
1727 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1728 -mfpu=vfp) echo --float_support=vfpv2 ;;
1729 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1730 -msoft-float) echo --float_support=vfplib ;;
1731 -O[0-3]|-mf=*) echo $flag ;;
1732 -g) echo -g -mn ;;
1733 -pds=*) echo $flag ;;
1734 esac
1735 done
1736 }
1737 elif $cc -v 2>&1 | grep -q clang; then
1738 cc_type=clang
1739 cc_version=__VERSION__
1740 CC_DEPFLAGS='-MMD'
1741 AS_DEPFLAGS='-MMD'
1742 speed_cflags='-O3'
1743 size_cflags='-Os'
1744 elif $cc -V 2>&1 | grep -q Sun; then
1745 cc_type=suncc
1746 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1747 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1749 speed_cflags='-O5'
1750 size_cflags='-O5 -xspace'
1751 filter_cflags=suncc_flags
1752 suncc_flags(){
1753 for flag; do
1754 case $flag in
1755 -march=*|-mcpu=*)
1756 case "${flag#*=}" in
1757 native) echo -xtarget=native ;;
1758 v9) echo -xarch=sparc ;;
1759 ultrasparc) echo -xarch=sparcvis ;;
1760 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1761 i586|pentium) echo -xchip=pentium ;;
1762 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1763 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1764 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1765 pentium4*) echo -xtarget=pentium4 ;;
1766 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1767 *-sse3) echo -xarch=sse3 ;;
1768 core2) echo -xarch=ssse3 -xchip=core2 ;;
1769 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1770 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1771 k8|opteron|athlon64|athlon-fx)
1772 echo -xarch=sse2a ;;
1773 athlon*) echo -xarch=pentium_proa ;;
1774 esac
1775 ;;
1776 -std=c99) echo -xc99 ;;
1777 -fomit-frame-pointer) echo -xregs=frameptr ;;
1778 -fPIC) echo -KPIC -xcode=pic32 ;;
1779 -W*,*) echo $flag ;;
1780 -f*-*|-W*) ;;
1781 *) echo $flag ;;
1782 esac
1783 done
1784 }
1785 fi
1786
1787 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1788
1789 : ${as_default:=$cc}
1790 : ${dep_cc_default:=$cc}
1791 : ${ld_default:=$cc}
1792 set_default as dep_cc ld
1793
1794 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1795 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1796
1797 add_cflags $extra_cflags
1798 add_asflags $extra_cflags
1799
1800 if test -n "$sysroot"; then
1801 case "$cc_type" in
1802 gcc)
1803 add_cppflags --sysroot="$sysroot"
1804 add_ldflags --sysroot="$sysroot"
1805 ;;
1806 tms470)
1807 add_cppflags -I"$sysinclude"
1808 add_ldflags --sysroot="$sysroot"
1809 ;;
1810 clang)
1811 add_cppflags -isysroot="$sysroot"
1812 add_ldflags -isysroot="$sysroot"
1813 ;;
1814 esac
1815 fi
1816
1817 if test "$cpu" = host; then
1818 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1819
1820 case "$cc_type" in
1821 gcc)
1822 check_native(){
1823 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1824 sed -n "/$1=/{
1825 s/.*$1=\\([^ ]*\\).*/\\1/
1826 p
1827 q
1828 }" $TMPE
1829 }
1830 cpu=$(check_native -march || check_native -mcpu)
1831 ;;
1832 esac
1833
1834 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1835 fi
1836
1837 # Deal with common $arch aliases
1838 case "$arch" in
1839 arm*)
1840 arch="arm"
1841 ;;
1842 mips|mipsel|IP*)
1843 arch="mips"
1844 ;;
1845 mips64)
1846 arch="mips"
1847 subarch="mips64"
1848 ;;
1849 parisc|hppa)
1850 arch="parisc"
1851 ;;
1852 parisc64|hppa64)
1853 arch="parisc"
1854 subarch="parisc64"
1855 ;;
1856 "Power Macintosh"|ppc|powerpc)
1857 arch="ppc"
1858 ;;
1859 ppc64)
1860 arch="ppc"
1861 subarch="ppc64"
1862 ;;
1863 s390|s390x)
1864 arch="s390"
1865 ;;
1866 sh4|sh)
1867 arch="sh4"
1868 ;;
1869 sun4u|sparc64)
1870 arch="sparc"
1871 subarch="sparc64"
1872 ;;
1873 i[3-6]86|i86pc|BePC|x86_64|amd64)
1874 arch="x86"
1875 ;;
1876 esac
1877
1878 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1879 enable $arch
1880
1881 # Add processor-specific flags
1882 if test "$cpu" = generic; then
1883 : do nothing
1884 elif enabled ppc; then
1885
1886 case $cpu in
1887 601|ppc601|PowerPC601)
1888 cpuflags="-mcpu=601"
1889 ;;
1890 603*|ppc603*|PowerPC603*)
1891 cpuflags="-mcpu=603"
1892 ;;
1893 604*|ppc604*|PowerPC604*)
1894 cpuflags="-mcpu=604"
1895 ;;
1896 G3|g3|75*|ppc75*|PowerPC75*)
1897 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1898 ;;
1899 G4|g4|745*|ppc745*|PowerPC745*)
1900 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1901 ;;
1902 74*|ppc74*|PowerPC74*)
1903 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1904 ;;
1905 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1906 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1907 ;;
1908 Cell|CELL|cell)
1909 cpuflags="-mcpu=cell"
1910 enable ldbrx
1911 ;;
1912 esac
1913
1914 elif enabled x86; then
1915
1916 case $cpu in
1917 i[345]86|pentium)
1918 cpuflags="-march=$cpu"
1919 disable mmx
1920 ;;
1921 # targets that do NOT support conditional mov (cmov)
1922 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1923 cpuflags="-march=$cpu"
1924 disable cmov
1925 ;;
1926 # targets that do support conditional mov (cmov)
1927 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1928 cpuflags="-march=$cpu"
1929 enable cmov
1930 enable fast_cmov
1931 ;;
1932 # targets that do support conditional mov but on which it's slow
1933 pentium4|pentium4m|prescott|nocona)
1934 cpuflags="-march=$cpu"
1935 enable cmov
1936 disable fast_cmov
1937 ;;
1938 esac
1939
1940 elif enabled sparc; then
1941
1942 case $cpu in
1943 sparc64)
1944 cpuflags="-mcpu=v9"
1945 ;;
1946 esac
1947
1948 elif enabled arm; then
1949
1950 case $cpu in
1951 armv*)
1952 cpuflags="-march=$cpu"
1953 ;;
1954 *)
1955 cpuflags="-mcpu=$cpu"
1956 ;;
1957 esac
1958
1959 elif enabled alpha; then
1960
1961 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1962
1963 elif enabled bfin; then
1964
1965 cpuflags="-mcpu=$cpu"
1966
1967 elif enabled mips; then
1968
1969 cpuflags="-march=$cpu"
1970
1971 elif enabled avr32; then
1972
1973 case $cpu in
1974 ap7[02]0[0-2])
1975 subarch="avr32_ap"
1976 cpuflags="-mpart=$cpu"
1977 ;;
1978 ap)
1979 subarch="avr32_ap"
1980 cpuflags="-march=$cpu"
1981 ;;
1982 uc3[ab]*)
1983 subarch="avr32_uc"
1984 cpuflags="-mcpu=$cpu"
1985 ;;
1986 uc)
1987 subarch="avr32_uc"
1988 cpuflags="-march=$cpu"
1989 ;;
1990 esac
1991
1992 fi
1993
1994 add_cflags $cpuflags
1995 add_asflags $cpuflags
1996
1997 # compiler sanity check
1998 check_exec <<EOF
1999 int main(void){ return 0; }
2000 EOF
2001 if test "$?" != 0; then
2002 echo "$cc is unable to create an executable file."
2003 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2004 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2005 echo "Only do this if you know what cross compiling means."
2006 fi
2007 die "C compiler test failed."
2008 fi
2009
2010 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2011 check_cflags -std=c99
2012 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2013 #include <stdlib.h>
2014 EOF
2015 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2016 #include <stdlib.h>
2017 EOF
2018
2019 check_host_cflags -std=c99
2020
2021 case "$arch" in
2022 alpha|ia64|mips|parisc|sparc)
2023 spic=$shared
2024 ;;
2025 x86)
2026 subarch="x86_32"
2027 check_cc <<EOF && subarch="x86_64"
2028 int test[(int)sizeof(char*) - 7];
2029 EOF
2030 if test "$subarch" = "x86_64"; then
2031 spic=$shared
2032 fi
2033 ;;
2034 esac
2035
2036 enable $subarch
2037 enabled spic && enable pic
2038 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2039
2040 # OS specific
2041 case $target_os in
2042 beos|haiku|zeta)
2043 prefix_default="$HOME/config"
2044 # 3 gcc releases known for BeOS, each with ugly bugs
2045 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2046 case "$gcc_version" in
2047 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2048 disable mmx
2049 ;;
2050 *20010315*) echo "BeBits gcc"
2051 add_cflags -fno-expensive-optimizations
2052 ;;
2053 esac
2054 SHFLAGS=-nostart
2055 # enable BeOS things
2056 enable audio_beos
2057 # no need for libm, but the inet stuff
2058 # Check for BONE
2059 # XXX: actually should check for NOT net_server
2060 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2061 network_extralibs="-lbind -lsocket"
2062 else
2063 enable beos_netserver
2064 network_extralibs="-lnet"
2065 fi ;;
2066 sunos)
2067 FFSERVERLDFLAGS=""
2068 SHFLAGS='-shared -Wl,-h,$$(@F)'
2069 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2070 network_extralibs="-lsocket -lnsl"
2071 add_cppflags -D__EXTENSIONS__
2072 nm_opts='-P -g'
2073 ;;
2074 netbsd)
2075 oss_indev_extralibs="-lossaudio"
2076 oss_outdev_extralibs="-lossaudio"
2077 ;;
2078 openbsd)
2079 enable malloc_aligned
2080 # On OpenBSD 4.5. the compiler does not use PIC unless
2081 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2082 # however the generated executable will not do anything
2083 # (simply quits with exit-code 1, no crash, no output).
2084 # Thus explicitly enable PIC here.
2085 enable pic
2086 SHFLAGS='-shared'
2087 oss_indev_extralibs="-lossaudio"
2088 oss_outdev_extralibs="-lossaudio"
2089 ;;
2090 freebsd|dragonfly)
2091 enable malloc_aligned
2092 ;;
2093 bsd/os)
2094 osextralibs="-lpoll -lgnugetopt"
2095 strip="strip -d"
2096 ;;
2097 darwin)
2098 enable malloc_aligned
2099 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2100 strip="strip -x"
2101 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2102 SLIBSUF=".dylib"
2103 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2104 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2105 FFSERVERLDFLAGS=-Wl,-bind_at_load
2106 objformat="macho"
2107 enabled x86_64 && objformat="macho64"
2108 enabled_any pic shared ||
2109 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2110 ;;
2111 mingw32*)
2112 # Adding _WIN32_WINNT=0x0501 makes functions that require
2113 # XP visible and thus may make it binary incompatible with
2114 # earlier versions. Set --target-os=mingw32-prexp if this
2115 # isn't desired.
2116 test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
2117 if test $target_os = "mingw32ce"; then
2118 disable network
2119 else
2120 target_os=mingw32
2121 fi
2122 LIBTARGET=i386
2123 if enabled x86_64; then
2124 enable malloc_aligned
2125 LIBTARGET=x64
2126 elif enabled arm; then
2127 LIBTARGET=arm
2128 fi
2129 shlibdir_default="$bindir_default"
2130 disable ffserver
2131 SLIBPREF=""
2132 SLIBSUF=".dll"
2133 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2134 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2135 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2136 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2137 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2138 install -d "$(LIBDIR)"; \
2139 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2140 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2141 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2142 objformat="win32"
2143 enable dos_paths
2144 check_cflags -fno-common
2145 if ! enabled x86_64; then
2146 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2147 die "ERROR: MinGW runtime version must be >= 3.15."
2148 enabled_any avisynth vfwcap_indev &&
2149 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2150 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2151 fi
2152 ;;
2153 cygwin*)
2154 target_os=cygwin
2155 shlibdir_default="$bindir_default"
2156 SLIBPREF="cyg"
2157 SLIBSUF=".dll"
2158 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2159 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2160 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2161 objformat="win32"
2162 enable dos_paths
2163 check_cflags -fno-common
2164 ;;
2165 *-dos|freedos|opendos)
2166 disable ffplay ffserver
2167 disable $INDEV_LIST $OUTDEV_LIST
2168 network_extralibs="-lsocket"
2169 objformat="coff"
2170 enable dos_paths
2171 ;;
2172 linux)
2173 enable dv1394
2174 ;;
2175 irix*)
2176 target_os=irix
2177 ranlib="echo ignoring ranlib"
2178 ;;
2179 os/2*)
2180 strip="lxlite"
2181 ln_s="cp -f"
2182 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2183 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2184 FFSERVERLDFLAGS=""
2185 LIBSUF="_s.a"
2186 SLIBPREF=""
2187 SLIBSUF=".dll"
2188 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2189 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2190 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2191 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2192 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2193 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2194 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2195 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2196 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2197 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2198 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2199 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2200 enable dos_paths
2201 ;;
2202 gnu/kfreebsd)
2203 ;;
2204 gnu)
2205 ;;
2206
2207 *)
2208 die "Unknown OS '$target_os'."
2209 ;;
2210 esac
2211
2212 set_default $PATHS_LIST
2213
2214 add_extralibs $osextralibs
2215
2216 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2217 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2218
2219 # we need to build at least one lib type
2220 if ! enabled_any static shared; then
2221 cat <<EOF
2222 At least one library type must be built.
2223 Specify --enable-static to build the static libraries or --enable-shared to
2224 build the shared libraries as well. To only build the shared libraries specify
2225 --disable-static in addition to --enable-shared.
2226 EOF
2227 exit 1;
2228 fi
2229
2230 disabled static && LIBNAME=""
2231
2232 if enabled_any libfaad libfaadbin ; then
2233 if check_header faad.h; then
2234 check_cc <<EOF
2235 #include <faad.h>
2236 #ifndef FAAD2_VERSION
2237 ok faad1
2238 #endif
2239 int main(void) { return 0; }
2240 EOF
2241 test $? = 0 && enable libfaad2
2242 else
2243 die "FAAD test failed."
2244 fi
2245 fi
2246
2247
2248 die_license_disabled() {
2249 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2250 }
2251
2252 die_license_disabled gpl libfaad2
2253 die_license_disabled gpl libx264
2254 die_license_disabled gpl libxvid
2255 die_license_disabled gpl postproc
2256 die_license_disabled gpl x11grab
2257
2258 die_license_disabled nonfree libfaac
2259
2260 die_license_disabled version3 libopencore_amrnb
2261 die_license_disabled version3 libopencore_amrwb
2262
2263 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2264
2265 check_deps $ARCH_EXT_LIST
2266
2267 disabled optimizations || check_cflags -fomit-frame-pointer
2268
2269 enable_pic() {
2270 enable pic
2271 add_cppflags -DPIC
2272 add_cflags -fPIC
2273 add_asflags -fPIC
2274 }
2275
2276 enabled pic && enable_pic
2277
2278 check_cc <<EOF || die "Symbol mangling check failed."
2279 int ff_extern;
2280 EOF
2281 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2282 extern_prefix=${sym%%ff_extern*}
2283
2284 check_cc <<EOF && enable inline_asm
2285 void foo(void) { __asm__ volatile ("" ::); }
2286 EOF
2287
2288 _restrict=
2289 for restrict_keyword in restrict __restrict__ __restrict; do
2290 check_cc <<EOF && _restrict=$restrict_keyword && break
2291 void foo(char * $restrict_keyword p);
2292 EOF
2293 done
2294
2295 check_cc <<EOF && enable attribute_packed
2296 struct { int x; } __attribute__((packed)) x;
2297 EOF
2298
2299 check_cc <<EOF || die "endian test failed"
2300 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2301 EOF
2302 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2303
2304 if enabled alpha; then
2305
2306 check_cflags -mieee
2307
2308 elif enabled arm; then
2309
2310 check_cflags -marm
2311
2312 check_ld <<EOF && enable vfp_args
2313 __asm__ (".eabi_attribute 28, 1");
2314 int main(void) { return 0; }
2315 EOF
2316
2317 # We have to check if pld is a nop and disable it.
2318 check_asm pld '"pld [r0]"'
2319
2320 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2321 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2322 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2323 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2324 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2325 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2326
2327 enabled_all armv6t2 shared !pic && enable_pic
2328
2329 elif enabled ia64; then
2330
2331 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2332 enabled shared && enable_weak hardcoded_tables
2333
2334 elif enabled mips; then
2335
2336 check_asm loongson '"dmult.g $1, $2, $3"'
2337 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2338
2339 elif enabled ppc; then
2340
2341 check_asm dcbzl '"dcbzl 0, 1"'
2342 check_asm ppc4xx '"maclhw r10, r11, r12"'
2343 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2344
2345 # AltiVec flags: The FSF version of GCC differs from the Apple version
2346 if enabled altivec; then
2347 check_cflags -maltivec -mabi=altivec &&
2348 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2349 check_cflags -faltivec
2350
2351 # check if our compiler supports Motorola AltiVec C API
2352 check_cc <<EOF || disable altivec
2353 $inc_altivec_h
2354 int main(void) {
2355 vector signed int v1, v2, v3;
2356 v1 = vec_add(v2,v3);
2357 return 0;
2358 }
2359 EOF
2360
2361 # check if our compiler supports braces for vector declarations
2362 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2363 $inc_altivec_h
2364 int main (void) { (vector int) {1}; return 0; }
2365 EOF
2366 fi
2367
2368 elif enabled sparc; then
2369
2370 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2371 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2372
2373 elif enabled x86; then
2374
2375 # check whether EBP is available on x86
2376 # As 'i' is stored on the stack, this program will crash
2377 # if the base pointer is used to access it because the
2378 # base pointer is cleared in the inline assembly code.
2379 check_exec_crash <<EOF && enable ebp_available
2380 volatile int i=0;
2381 __asm__ volatile (
2382 "xorl %%ebp, %%ebp"
2383 ::: "%ebp");
2384 return i;
2385 EOF
2386
2387 # check whether EBX is available on x86
2388 check_asm ebx_available '""::"b"(0)' &&
2389 check_asm ebx_available '"":::"%ebx"'
2390
2391 # check whether more than 10 operands are supported
2392 check_cc <<EOF && enable ten_operands
2393 int main(void) {
2394 int x=0;
2395 __asm__ volatile(
2396 ""
2397 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2398 );
2399 return 0;
2400 }
2401 EOF
2402
2403 # check whether binutils is new enough to compile SSSE3/MMX2
2404 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2405 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2406
2407 check_asm bswap '"bswap %%eax" ::: "%eax"'
2408
2409 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2410 enabled x86_64 && append YASMFLAGS "-m amd64"
2411 enabled pic && append YASMFLAGS "-DPIC"
2412 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2413 case "$objformat" in
2414 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2415 esac
2416 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2417
2418 case "$cpu" in
2419 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2420 disable fast_clz
2421 ;;
2422 esac
2423
2424 fi
2425
2426 if check_func dlopen; then
2427 ldl=
2428 elif check_func dlopen -ldl; then
2429 ldl=-ldl
2430 fi
2431
2432 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2433 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2434
2435 check_func fork
2436 check_func getaddrinfo $network_extralibs
2437 check_func gethrtime
2438 check_func getrusage
2439 check_func inet_aton $network_extralibs
2440 check_func isatty
2441 check_func memalign
2442 check_func mkstemp
2443 check_func posix_memalign
2444 check_func_headers io.h setmode
2445 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446 check_func_headers windows.h GetProcessTimes
2447 check_func_headers windows.h VirtualAlloc
2448
2449 check_header conio.h
2450 check_header dlfcn.h
2451 check_header dxva2api.h
2452 check_header malloc.h
2453 check_header poll.h
2454 check_header sys/mman.h
2455 check_header sys/resource.h
2456 check_header sys/select.h
2457 check_header termios.h
2458 check_header vdpau/vdpau.h
2459 check_header vdpau/vdpau_x11.h
2460 check_header X11/extensions/XvMClib.h
2461
2462 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2463
2464 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2465 enabled_any $need_memalign ; then
2466 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2467 fi
2468
2469 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2470 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2471
2472 # check for some common methods of building with pthread support
2473 # do this before the optional library checks as some of them require pthreads
2474 if enabled pthreads; then
2475 if check_func pthread_create; then
2476 :
2477 elif check_func pthread_create -pthread; then
2478 add_cflags -pthread
2479 add_extralibs -pthread
2480 elif check_func pthread_create -pthreads; then
2481 add_cflags -pthreads
2482 add_extralibs -pthreads
2483 elif check_func pthread_create -lpthreadGC2; then
2484 add_extralibs -lpthreadGC2
2485 elif ! check_lib pthread.h pthread_create -lpthread; then
2486 die "ERROR: can't find pthreads library"
2487 fi
2488 fi
2489
2490 for thread in $THREADS_LIST; do
2491 if enabled $thread; then
2492 test -n "$thread_type" &&
2493 die "ERROR: Only one thread type must be selected." ||
2494 thread_type="$thread"
2495 fi
2496 done
2497
2498 check_lib math.h sin -lm
2499 check_lib va/va.h vaInitialize -lva
2500
2501 check_func exp2
2502 check_func exp2f
2503 check_func llrint
2504 check_func log2
2505 check_func log2f
2506 check_func lrint
2507 check_func lrintf
2508 check_func round
2509 check_func roundf
2510 check_func truncf
2511
2512 # these are off by default, so fail if requested and not available
2513 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2514 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2515 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2516 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2517 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2518 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2519 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2520 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2521 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2522 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2523 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2524 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2525 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2526 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2527 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2528 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2529 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2530 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2531 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2532 die "ERROR: libx264 version must be >= 0.83."; }
2533 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2534 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2535
2536 # libdc1394 check
2537 if enabled libdc1394; then
2538 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2539 enable libdc1394_2; } ||
2540 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2541 enable libdc1394_1; } ||
2542 die "ERROR: No version of libdc1394 found "
2543 fi
2544
2545 SDL_CONFIG="${cross_prefix}sdl-config"
2546 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2547 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2548 sdl_libs=$("${SDL_CONFIG}" --libs)
2549 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2550 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2551 enable sdl &&
2552 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2553 fi
2554
2555 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2556
2557 if enabled network; then
2558 check_type "sys/types.h sys/socket.h" socklen_t
2559 check_type netdb.h "struct addrinfo"
2560 check_type netinet/in.h "struct ipv6_mreq"
2561 check_type netinet/in.h "struct sockaddr_in6"
2562 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2563 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2564 # Prefer arpa/inet.h over winsock2
2565 if check_header arpa/inet.h ; then
2566 check_func closesocket
2567 elif check_header winsock2.h ; then
2568 check_func_headers winsock2.h closesocket -lws2 && \
2569 network_extralibs="-lws2" || \
2570 { check_func_headers winsock2.h closesocket -lws2_32 && \
2571 network_extralibs="-lws2_32"; }
2572 # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
2573 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2574 check_type ws2tcpip.h socklen_t
2575 check_type ws2tcpip.h "struct addrinfo"
2576 check_type ws2tcpip.h "struct ipv6_mreq"
2577 check_type ws2tcpip.h "struct sockaddr_in6"
2578 check_type ws2tcpip.h "struct sockaddr_storage"
2579 check_struct winsock2.h "struct sockaddr" sa_len
2580 else
2581 disable network
2582 fi
2583 fi
2584
2585 check_header linux/videodev.h
2586 check_header linux/videodev2.h
2587 check_header sys/videoio.h
2588
2589 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$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 if enabled small || disabled optimizations; then
2982 echo "#define av_always_inline" >> $TMPH
2983 fi
2984
2985 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2986 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2987 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2988 $CONFIG_EXTRA \
2989 $DECODER_LIST \
2990 $ENCODER_LIST \
2991 $HWACCEL_LIST \
2992 $PARSER_LIST \
2993 $BSF_LIST \
2994 $DEMUXER_LIST \
2995 $MUXER_LIST \
2996 $FILTER_LIST \
2997 $PROTOCOL_LIST \
2998 $INDEV_LIST \
2999 $OUTDEV_LIST \
3000
3001 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3002 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3003
3004 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3005 cp_if_changed $TMPH config.h
3006
3007 cat > $TMPH <<EOF
3008 /* Generated by ffconf */
3009 #ifndef AVUTIL_AVCONFIG_H
3010 #define AVUTIL_AVCONFIG_H
3011 EOF
3012
3013 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3014
3015 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3016
3017 cp_if_changed $TMPH libavutil/avconfig.h
3018
3019 # build pkg-config files
3020
3021 pkgconfig_generate(){
3022 name=$1
3023 shortname=${name#lib}${build_suffix}
3024 comment=$2
3025 version=$3
3026 libs=$4
3027 requires=$5
3028 cat <<EOF > $name/$name.pc
3029 prefix=$prefix
3030 exec_prefix=\${prefix}
3031 libdir=$libdir
3032 includedir=$incdir
3033
3034 Name: $name
3035 Description: $comment
3036 Version: $version
3037 Requires: $(enabled shared || echo $requires)
3038 Requires.private: $(enabled shared && echo $requires)
3039 Conflicts:
3040 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3041 Libs.private: $(enabled shared && echo $libs)
3042 Cflags: -I\${includedir}
3043 EOF
3044 cat <<EOF > $name/$name-uninstalled.pc
3045 prefix=
3046 exec_prefix=
3047 libdir=\${pcfiledir}
3048 includedir=${source_path}
3049
3050 Name: $name
3051 Description: $comment
3052 Version: $version
3053 Requires: $requires
3054 Conflicts:
3055 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3056 Cflags: -I\${includedir}
3057 EOF
3058 }
3059
3060 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3061 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3062 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3063 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3064 enabled avfilter &&
3065 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3066 enabled postproc &&
3067 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3068 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"