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[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-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
106 --disable-dct disable DCT code
107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
114 --disable-dxva2 disable DXVA2 code
115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-librtmp enable RTMP[E] support via librtmp [no]
181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --enable-powerpc-perf enable performance report on PPC
219 (requires enabling PMC)
220 --disable-asm disable all assembler optimizations
221 --disable-altivec disable AltiVec optimizations
222 --disable-amd3dnow disable 3DNow! optimizations
223 --disable-amd3dnowext disable 3DNow! extended optimizations
224 --disable-mmx disable MMX optimizations
225 --disable-mmx2 disable MMX2 optimizations
226 --disable-sse disable SSE optimizations
227 --disable-ssse3 disable SSSE3 optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240
241 Developer options (useful when working on FFmpeg itself):
242 --disable-debug disable debugging symbols
243 --enable-debug=LEVEL set the debug level [$debuglevel]
244 --enable-gprof enable profiling with gprof [$gprof]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --disable-stripping disable stripping of executables and shared libraries
248 --samples=PATH location of test samples for FATE
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 log(){
256 echo "$@" >> $logfile
257 }
258
259 log_file(){
260 log BEGIN $1
261 pr -n -t $1 >> $logfile
262 log END $1
263 }
264
265 echolog(){
266 log "$@"
267 echo "$@"
268 }
269
270 die(){
271 echolog "$@"
272 cat <<EOF
273
274 If you think configure made a mistake, make sure you are using the latest
275 version from SVN. If the latest version fails, report the problem to the
276 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
277 EOF
278 if disabled logging; then
279 cat <<EOF
280 Rerun configure with logging enabled (do not use --disable-logging), and
281 include the log this produces with your report.
282 EOF
283 else
284 cat <<EOF
285 Include the log file "$logfile" produced by configure as this will help
286 solving the problem.
287 EOF
288 fi
289 exit 1
290 }
291
292 # Avoid locale weirdness, besides we really just want to translate ASCII.
293 toupper(){
294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
295 }
296
297 tolower(){
298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
299 }
300
301 c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303 }
304
305 sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309 }
310
311 filter(){
312 pat=$1
313 shift
314 for v; do
315 eval "case $v in $pat) echo $v ;; esac"
316 done
317 }
318
319 map(){
320 m=$1
321 shift
322 for v; do eval $m; done
323 }
324
325 set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331 }
332
333 set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339 }
340
341 pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347 }
348
349 popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358 }
359
360 enable(){
361 set_all yes $*
362 }
363
364 disable(){
365 set_all no $*
366 }
367
368 enable_weak(){
369 set_weak yes $*
370 }
371
372 disable_weak(){
373 set_weak no $*
374 }
375
376 enable_safe(){
377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
380 }
381
382 disable_safe(){
383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
386 }
387
388 do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
394 enable_deep $sel
395 popvar sgs
396 enable_deep_weak $sgs
397 popvar var
398 done
399 }
400
401 enable_deep(){
402 do_enable_deep $*
403 enable $*
404 }
405
406 enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409 }
410
411 enabled(){
412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
414 }
415
416 disabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
419 }
420
421 enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425 }
426
427 disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431 }
432
433 enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437 }
438
439 disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
443 return 1
444 }
445
446 set_default(){
447 for opt; do
448 eval : \${$opt:=\$${opt}_default}
449 done
450 }
451
452 is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459 }
460
461 check_deps(){
462 for cfg; do
463 cfg="${cfg#!}"
464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
470 eval dep_sel="\$${cfg}_select"
471 eval dep_sgs="\$${cfg}_suggest"
472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
474
475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478
479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
483 disabled_any $dep_sel && disable $cfg
484
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
488 enable_deep $dep_sel
489 enable_deep_weak $dep_sgs
490 fi
491
492 disable ${cfg}_checking
493 done
494 }
495
496 print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
502 ucname="$(toupper $cfg)"
503 if enabled $cfg; then
504 echo "#define ${pfx}${ucname} 1" >> $header
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
507 echo "#define ${pfx}${ucname} 0" >> $header
508 echo "!${pfx}${ucname}=yes" >> $makefile
509 fi
510 done
511 }
512
513 flags_saved(){
514 (: ${SAVE_CFLAGS?}) 2> /dev/null
515 }
516
517 save_flags(){
518 flags_saved && return
519 SAVE_CFLAGS="$CFLAGS"
520 SAVE_LDFLAGS="$LDFLAGS"
521 SAVE_extralibs="$extralibs"
522 }
523
524 restore_flags(){
525 flags_saved || return
526 CFLAGS="$SAVE_CFLAGS"
527 LDFLAGS="$SAVE_LDFLAGS"
528 extralibs="$SAVE_extralibs"
529 unset SAVE_CFLAGS
530 unset SAVE_LDFLAGS
531 unset SAVE_extralibs
532 }
533
534 temp_cflags(){
535 save_flags
536 CFLAGS="$CFLAGS $*"
537 }
538
539 temp_ldflags(){
540 save_flags
541 LDFLAGS="$LDFLAGS $*"
542 }
543
544 temp_extralibs(){
545 save_flags
546 extralibs="$extralibs $*"
547 }
548
549 append(){
550 var=$1
551 shift
552 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
553 eval "$var=\"\$$var $*\""
554 }
555
556 add_cppflags(){
557 append CPPFLAGS $($filter_cppflags "$@")
558 }
559
560 add_cflags(){
561 append CFLAGS $($filter_cflags "$@")
562 }
563
564 add_asflags(){
565 append ASFLAGS $($filter_asflags "$@")
566 }
567
568 add_ldflags(){
569 append LDFLAGS "$@"
570 }
571
572 add_extralibs(){
573 append extralibs "$@"
574 }
575
576 check_cmd(){
577 log "$@"
578 "$@" >> $logfile 2>&1
579 }
580
581 check_cc(){
582 log check_cc "$@"
583 cat > $TMPC
584 log_file $TMPC
585 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
586 }
587
588 check_cpp(){
589 log check_cpp "$@"
590 cat > $TMPC
591 log_file $TMPC
592 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
593 }
594
595 check_as(){
596 log check_as "$@"
597 cat > $TMPC
598 log_file $TMPC
599 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
600 }
601
602 check_asm(){
603 log check_asm "$@"
604 name="$1"
605 code="$2"
606 shift 2
607 disable $name
608 check_as "$@" <<EOF && enable $name
609 void foo(void){ __asm__ volatile($code); }
610 EOF
611 }
612
613 check_yasm(){
614 log check_yasm "$@"
615 echo "$1" > $TMPS
616 log_file $TMPS
617 shift 1
618 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
619 }
620
621 check_ld(){
622 log check_ld "$@"
623 flags=''
624 libs=''
625 for f; do
626 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
627 done
628 check_cc $($filter_cflags $flags) || return
629 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
630 }
631
632 check_cppflags(){
633 log check_cppflags "$@"
634 set -- $($filter_cppflags "$@")
635 check_cc "$@" <<EOF && append CPPFLAGS "$@"
636 int x;
637 EOF
638 }
639
640 check_cflags(){
641 log check_cflags "$@"
642 set -- $($filter_cflags "$@")
643 check_cc "$@" <<EOF && append CFLAGS "$@"
644 int x;
645 EOF
646 }
647
648 test_ldflags(){
649 log test_ldflags "$@"
650 check_ld "$@" <<EOF
651 int main(void){ return 0; }
652 EOF
653 }
654
655 check_ldflags(){
656 log check_ldflags "$@"
657 test_ldflags "$@" && add_ldflags "$@"
658 }
659
660 check_header(){
661 log check_header "$@"
662 header=$1
663 shift
664 disable_safe $header
665 check_cpp "$@" <<EOF && enable_safe $header
666 #include <$header>
667 int x;
668 EOF
669 }
670
671 check_func(){
672 log check_func "$@"
673 func=$1
674 shift
675 disable $func
676 check_ld "$@" <<EOF && enable $func
677 extern int $func();
678 int main(void){ $func(); }
679 EOF
680 }
681
682 check_mathfunc(){
683 log check_mathfunc "$@"
684 func=$1
685 shift
686 disable $func
687 check_ld "$@" <<EOF && enable $func
688 #include <math.h>
689 float foo(float f) { return $func(f); }
690 int main(void){ return 0; }
691 EOF
692 }
693
694 check_func_headers(){
695 log check_func_headers "$@"
696 headers=$1
697 func=$2
698 shift 2
699 disable $func
700 incs=""
701 for hdr in $headers; do
702 incs="$incs
703 #include <$hdr>"
704 done
705 check_ld "$@" <<EOF && enable $func && enable_safe $headers
706 $incs
707 int main(int argc, char **argv){
708 return (long) $func;
709 }
710 EOF
711 }
712
713 check_cpp_condition(){
714 log check_cpp_condition "$@"
715 header=$1
716 condition=$2
717 shift 2
718 check_cpp $($filter_cppflags "$@") <<EOF
719 #include <$header>
720 #if !($condition)
721 #error "unsatisfied condition: $condition"
722 #endif
723 EOF
724 }
725
726 check_lib(){
727 log check_lib "$@"
728 header="$1"
729 func="$2"
730 shift 2
731 temp_extralibs "$@"
732 check_header $header && check_func $func && add_extralibs "$@"
733 err=$?
734 restore_flags
735 return $err
736 }
737
738 check_lib2(){
739 log check_lib2 "$@"
740 headers="$1"
741 func="$2"
742 shift 2
743 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
744 }
745
746 check_exec(){
747 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
748 }
749
750 check_exec_crash(){
751 code=$(cat)
752
753 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
754 # are safe but may not be available everywhere. Thus we use
755 # raise(SIGTERM) instead. The check is run in a subshell so we
756 # can redirect the "Terminated" message from the shell. SIGBUS
757 # is not defined by standard C so it is used conditionally.
758
759 (check_exec "$@") >> $logfile 2>&1 <<EOF
760 #include <signal.h>
761 static void sighandler(int sig){
762 raise(SIGTERM);
763 }
764 int main(void){
765 signal(SIGILL, sighandler);
766 signal(SIGFPE, sighandler);
767 signal(SIGSEGV, sighandler);
768 #ifdef SIGBUS
769 signal(SIGBUS, sighandler);
770 #endif
771 { $code }
772 }
773 EOF
774 }
775
776 check_type(){
777 log check_type "$@"
778 headers=$1
779 type=$2
780 shift 2
781 disable_safe "$type"
782 incs=""
783 for hdr in $headers; do
784 incs="$incs
785 #include <$hdr>"
786 done
787 check_cc "$@" <<EOF && enable_safe "$type"
788 $incs
789 $type v;
790 EOF
791 }
792
793 check_struct(){
794 log check_type "$@"
795 headers=$1
796 struct=$2
797 member=$3
798 shift 3
799 disable_safe "${struct}_${member}"
800 incs=""
801 for hdr in $headers; do
802 incs="$incs
803 #include <$hdr>"
804 done
805 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
806 $incs
807 const void *p = &(($struct *)0)->$member;
808 EOF
809 }
810
811 require(){
812 name="$1"
813 header="$2"
814 func="$3"
815 shift 3
816 check_lib $header $func "$@" || die "ERROR: $name not found"
817 }
818
819 require2(){
820 name="$1"
821 headers="$2"
822 func="$3"
823 shift 3
824 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
825 }
826
827 check_foo_config(){
828 cfg=$1
829 pkg=$2
830 header=$3
831 func=$4
832 shift 4
833 disable $cfg
834 check_cmd ${pkg}-config --version
835 err=$?
836 if test "$err" = 0; then
837 temp_cflags $(${pkg}-config --cflags)
838 temp_extralibs $(${pkg}-config --libs)
839 check_lib "$@" $header $func && enable $cfg
840 fi
841 return $err
842 }
843
844 check_host_cc(){
845 log check_host_cc "$@"
846 cat > $TMPC
847 log_file $TMPC
848 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
849 }
850
851 check_host_cflags(){
852 log check_host_cflags "$@"
853 check_host_cc "$@" <<EOF && append host_cflags "$@"
854 int x;
855 EOF
856 }
857
858 apply(){
859 file=$1
860 shift
861 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
862 }
863
864 cp_if_changed(){
865 cmp -s "$1" "$2" &&
866 echo "$2 is unchanged" ||
867 cp -f "$1" "$2"
868 }
869
870 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
871 # system-dependent things.
872
873 COMPONENT_LIST="
874 bsfs
875 decoders
876 demuxers
877 encoders
878 filters
879 hwaccels
880 indevs
881 muxers
882 outdevs
883 parsers
884 protocols
885 "
886
887 CONFIG_LIST="
888 $COMPONENT_LIST
889 aandct
890 avcodec
891 avdevice
892 avfilter
893 avfilter_lavf
894 avformat
895 avisynth
896 beos_netserver
897 bzlib
898 dct
899 doc
900 dwt
901 dxva2
902 fastdiv
903 ffmpeg
904 ffplay
905 ffprobe
906 ffserver
907 fft
908 golomb
909 gpl
910 gprof
911 gray
912 h264dsp
913 hardcoded_tables
914 libdc1394
915 libdirac
916 libfaac
917 libfaad
918 libfaadbin
919 libgsm
920 libmp3lame
921 libnut
922 libopencore_amrnb
923 libopencore_amrwb
924 libopenjpeg
925 librtmp
926 libschroedinger
927 libspeex
928 libtheora
929 libvorbis
930 libx264
931 libxvid
932 lpc
933 lsp
934 mdct
935 memalign_hack
936 mlib
937 mpegaudio_hp
938 network
939 nonfree
940 pic
941 postproc
942 powerpc_perf
943 rdft
944 runtime_cpudetect
945 shared
946 small
947 sram
948 static
949 swscale
950 swscale_alpha
951 vaapi
952 vdpau
953 version3
954 x11grab
955 zlib
956 "
957
958 THREADS_LIST='
959 beosthreads
960 os2threads
961 pthreads
962 w32threads
963 '
964
965 ARCH_LIST='
966 alpha
967 arm
968 avr32
969 avr32_ap
970 avr32_uc
971 bfin
972 ia64
973 m68k
974 mips
975 mips64
976 parisc
977 ppc
978 ppc64
979 s390
980 sh4
981 sparc
982 sparc64
983 tomi
984 x86
985 x86_32
986 x86_64
987 '
988
989 ARCH_EXT_LIST='
990 altivec
991 amd3dnow
992 amd3dnowext
993 armv5te
994 armv6
995 armv6t2
996 armvfp
997 iwmmxt
998 mmi
999 mmx
1000 mmx2
1001 neon
1002 ppc4xx
1003 sse
1004 ssse3
1005 vis
1006 '
1007
1008 HAVE_LIST_PUB='
1009 bigendian
1010 '
1011
1012 HAVE_LIST="
1013 $ARCH_EXT_LIST
1014 $HAVE_LIST_PUB
1015 $THREADS_LIST
1016 alsa_asoundlib_h
1017 altivec_h
1018 arpa_inet_h
1019 attribute_may_alias
1020 attribute_packed
1021 bswap
1022 closesocket
1023 cmov
1024 conio_h
1025 dcbzl
1026 dev_bktr_ioctl_bt848_h
1027 dev_bktr_ioctl_meteor_h
1028 dev_ic_bt8xx_h
1029 dev_video_meteor_ioctl_meteor_h
1030 dev_video_bktr_ioctl_bt848_h
1031 dlfcn_h
1032 dlopen
1033 dos_paths
1034 ebp_available
1035 ebx_available
1036 exp2
1037 exp2f
1038 fast_64bit
1039 fast_clz
1040 fast_cmov
1041 fast_unaligned
1042 fork
1043 getaddrinfo
1044 gethrtime
1045 GetProcessMemoryInfo
1046 GetProcessTimes
1047 getrusage
1048 struct_rusage_ru_maxrss
1049 inet_aton
1050 inline_asm
1051 isatty
1052 ldbrx
1053 libdc1394_1
1054 libdc1394_2
1055 llrint
1056 llrintf
1057 local_aligned_16
1058 local_aligned_8
1059 log2
1060 log2f
1061 loongson
1062 lrint
1063 lrintf
1064 lzo1x_999_compress
1065 machine_ioctl_bt848_h
1066 machine_ioctl_meteor_h
1067 malloc_h
1068 memalign
1069 mkstemp
1070 pld
1071 posix_memalign
1072 round
1073 roundf
1074 sdl
1075 sdl_video_size
1076 setmode
1077 socklen_t
1078 soundcard_h
1079 poll_h
1080 setrlimit
1081 strerror_r
1082 struct_addrinfo
1083 struct_ipv6_mreq
1084 struct_sockaddr_in6
1085 struct_sockaddr_sa_len
1086 struct_sockaddr_storage
1087 sys_mman_h
1088 sys_resource_h
1089 sys_select_h
1090 sys_soundcard_h
1091 sys_videoio_h
1092 ten_operands
1093 termios_h
1094 threads
1095 truncf
1096 vfp_args
1097 VirtualAlloc
1098 winsock2_h
1099 xform_asm
1100 yasm
1101 "
1102
1103 # options emitted with CONFIG_ prefix but not available on command line
1104 CONFIG_EXTRA="
1105 avutil
1106 gplv3
1107 lgplv3
1108 "
1109
1110 CMDLINE_SELECT="
1111 $ARCH_EXT_LIST
1112 $CONFIG_LIST
1113 $THREADS_LIST
1114 asm
1115 cross_compile
1116 debug
1117 extra_warnings
1118 logging
1119 optimizations
1120 stripping
1121 yasm
1122 "
1123
1124 PATHS_LIST='
1125 bindir
1126 datadir
1127 incdir
1128 libdir
1129 mandir
1130 prefix
1131 shlibdir
1132 '
1133
1134 CMDLINE_SET="
1135 $PATHS_LIST
1136 ar
1137 arch
1138 as
1139 build_suffix
1140 cc
1141 cpu
1142 cross_prefix
1143 dep_cc
1144 extra_version
1145 host_cc
1146 host_cflags
1147 host_ldflags
1148 host_libs
1149 host_os
1150 ld
1151 logfile
1152 malloc_prefix
1153 nm
1154 samples
1155 source_path
1156 strip
1157 sysinclude
1158 sysroot
1159 target_exec
1160 target_os
1161 target_path
1162 "
1163
1164 CMDLINE_APPEND="
1165 extra_cflags
1166 "
1167
1168 # code dependency declarations
1169
1170 # architecture extensions
1171
1172 armv5te_deps="arm"
1173 armv6_deps="arm"
1174 armv6t2_deps="arm"
1175 armvfp_deps="arm"
1176 iwmmxt_deps="arm"
1177 neon_deps="arm"
1178
1179 mmi_deps="mips"
1180
1181 altivec_deps="ppc"
1182 ppc4xx_deps="ppc"
1183
1184 vis_deps="sparc"
1185
1186 x86_64_suggest="cmov fast_cmov"
1187 amd3dnow_deps="mmx"
1188 amd3dnowext_deps="amd3dnow"
1189 mmx_deps="x86"
1190 mmx2_deps="mmx"
1191 sse_deps="mmx"
1192 ssse3_deps="sse"
1193
1194 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1195 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1196 fast_unaligned_if_any="armv6 ppc x86"
1197
1198 need_memalign="altivec neon sse"
1199 inline_asm_deps="!tms470"
1200
1201 # subsystems
1202 mdct_select="fft"
1203 rdft_select="fft"
1204
1205 # decoders / encoders / hardware accelerators
1206 aac_decoder_select="mdct rdft aac_parser"
1207 aac_encoder_select="mdct"
1208 ac3_decoder_select="mdct ac3_parser"
1209 alac_encoder_select="lpc"
1210 amrnb_decoder_select="lsp"
1211 atrac1_decoder_select="mdct"
1212 atrac3_decoder_select="mdct"
1213 binkaudio_dct_decoder_select="mdct rdft dct"
1214 binkaudio_rdft_decoder_select="mdct rdft"
1215 cavs_decoder_select="golomb"
1216 cook_decoder_select="mdct"
1217 cscd_decoder_suggest="zlib"
1218 dca_decoder_select="mdct"
1219 dnxhd_encoder_select="aandct"
1220 dxa_decoder_select="zlib"
1221 eac3_decoder_select="ac3_decoder"
1222 eamad_decoder_select="aandct"
1223 eatgq_decoder_select="aandct"
1224 eatqi_decoder_select="aandct"
1225 ffv1_decoder_select="golomb"
1226 flac_decoder_select="golomb"
1227 flac_encoder_select="golomb lpc"
1228 flashsv_decoder_select="zlib"
1229 flashsv_encoder_select="zlib"
1230 flv_decoder_select="h263_decoder"
1231 flv_encoder_select="h263_encoder"
1232 h261_encoder_select="aandct"
1233 h263_decoder_select="h263_parser"
1234 h263_encoder_select="aandct"
1235 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1236 h263i_decoder_select="h263_decoder"
1237 h263p_encoder_select="h263_encoder"
1238 h264_decoder_select="golomb h264dsp"
1239 h264_dxva2_hwaccel_deps="dxva2api_h"
1240 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1241 h264_vaapi_hwaccel_select="vaapi"
1242 h264_vdpau_decoder_select="vdpau h264_decoder"
1243 imc_decoder_select="fft mdct"
1244 jpegls_decoder_select="golomb"
1245 jpegls_encoder_select="golomb"
1246 ljpeg_encoder_select="aandct"
1247 loco_decoder_select="golomb"
1248 mjpeg_encoder_select="aandct"
1249 mlp_decoder_select="mlp_parser"
1250 mpeg1video_encoder_select="aandct"
1251 mpeg2video_encoder_select="aandct"
1252 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1253 mpeg4_encoder_select="h263_encoder"
1254 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1255 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1256 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1257 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1258 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1259 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1260 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1261 msmpeg4v1_decoder_select="h263_decoder"
1262 msmpeg4v1_encoder_select="h263_encoder"
1263 msmpeg4v2_decoder_select="h263_decoder"
1264 msmpeg4v2_encoder_select="h263_encoder"
1265 msmpeg4v3_decoder_select="h263_decoder"
1266 msmpeg4v3_encoder_select="h263_encoder"
1267 nellymoser_decoder_select="mdct"
1268 nellymoser_encoder_select="mdct"
1269 png_decoder_select="zlib"
1270 png_encoder_select="zlib"
1271 qcelp_decoder_select="lsp"
1272 qdm2_decoder_select="mdct rdft"
1273 rv10_decoder_select="h263_decoder"
1274 rv10_encoder_select="h263_encoder"
1275 rv20_decoder_select="h263_decoder"
1276 rv20_encoder_select="h263_encoder"
1277 rv30_decoder_select="golomb h264dsp"
1278 rv40_decoder_select="golomb h264dsp"
1279 shorten_decoder_select="golomb"
1280 sipr_decoder_select="lsp"
1281 snow_decoder_select="dwt"
1282 snow_encoder_select="aandct dwt"
1283 sonic_decoder_select="golomb"
1284 sonic_encoder_select="golomb"
1285 sonic_ls_encoder_select="golomb"
1286 svq1_encoder_select="aandct"
1287 svq3_decoder_select="golomb h264dsp"
1288 svq3_decoder_suggest="zlib"
1289 theora_decoder_select="vp3_decoder"
1290 tiff_decoder_suggest="zlib"
1291 tiff_encoder_suggest="zlib"
1292 truehd_decoder_select="mlp_decoder"
1293 tscc_decoder_select="zlib"
1294 twinvq_decoder_select="mdct lsp"
1295 vc1_decoder_select="h263_decoder"
1296 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1297 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1298 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1299 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1300 vorbis_decoder_select="mdct"
1301 vorbis_encoder_select="mdct"
1302 vp6a_decoder_select="vp6_decoder"
1303 vp6f_decoder_select="vp6_decoder"
1304 wmapro_decoder_select="mdct"
1305 wmav1_decoder_select="mdct"
1306 wmav1_encoder_select="mdct"
1307 wmav2_decoder_select="mdct"
1308 wmav2_encoder_select="mdct"
1309 wmavoice_decoder_select="lsp rdft dct"
1310 wmv1_decoder_select="h263_decoder"
1311 wmv1_encoder_select="h263_encoder"
1312 wmv2_decoder_select="h263_decoder"
1313 wmv2_encoder_select="h263_encoder"
1314 wmv3_decoder_select="vc1_decoder"
1315 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1316 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1317 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1318 zlib_decoder_select="zlib"
1319 zlib_encoder_select="zlib"
1320 zmbv_decoder_select="zlib"
1321 zmbv_encoder_select="zlib"
1322
1323 vaapi_deps="va_va_h"
1324 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1325
1326 # parsers
1327 h264_parser_select="golomb h264dsp"
1328
1329 # bitstream_filters
1330 aac_adtstoasc_bsf_select="aac_parser"
1331
1332 # external libraries
1333 libdirac_decoder_deps="libdirac !libschroedinger"
1334 libdirac_encoder_deps="libdirac"
1335 libfaac_encoder_deps="libfaac"
1336 libfaad_decoder_deps="libfaad"
1337 libfaadbin_decoder_extralibs='$ldl'
1338 libgsm_decoder_deps="libgsm"
1339 libgsm_encoder_deps="libgsm"
1340 libgsm_ms_decoder_deps="libgsm"
1341 libgsm_ms_encoder_deps="libgsm"
1342 libmp3lame_encoder_deps="libmp3lame"
1343 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1344 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1345 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1346 libopenjpeg_decoder_deps="libopenjpeg"
1347 libschroedinger_decoder_deps="libschroedinger"
1348 libschroedinger_encoder_deps="libschroedinger"
1349 libspeex_decoder_deps="libspeex"
1350 libtheora_encoder_deps="libtheora"
1351 libvorbis_encoder_deps="libvorbis"
1352 libx264_encoder_deps="libx264"
1353 libxvid_encoder_deps="libxvid"
1354
1355 # demuxers / muxers
1356 ac3_demuxer_deps="ac3_parser"
1357 asf_stream_muxer_select="asf_muxer"
1358 avisynth_demuxer_deps="avisynth"
1359 dirac_demuxer_deps="dirac_parser"
1360 eac3_demuxer_select="ac3_parser"
1361 ipod_muxer_select="mov_muxer"
1362 libnut_demuxer_deps="libnut"
1363 libnut_muxer_deps="libnut"
1364 matroska_audio_muxer_select="matroska_muxer"
1365 matroska_demuxer_suggest="zlib bzlib"
1366 mov_demuxer_suggest="zlib"
1367 mp3_demuxer_deps="mpegaudio_parser"
1368 mp4_muxer_select="mov_muxer"
1369 mpegtsraw_demuxer_select="mpegts_demuxer"
1370 mxf_d10_muxer_select="mxf_muxer"
1371 ogg_demuxer_select="golomb"
1372 psp_muxer_select="mov_muxer"
1373 rtsp_demuxer_deps="sdp_demuxer"
1374 rtsp_muxer_deps="sdp_demuxer"
1375 rtsp_muxer_select="rtp_muxer"
1376 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1377 sdp_demuxer_select="asf_demuxer rm_demuxer"
1378 spdif_muxer_select="aac_parser"
1379 tg2_muxer_select="mov_muxer"
1380 tgp_muxer_select="mov_muxer"
1381 w64_demuxer_deps="wav_demuxer"
1382
1383 # indevs / outdevs
1384 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1385 alsa_indev_extralibs="-lasound"
1386 alsa_outdev_deps="alsa_asoundlib_h"
1387 alsa_outdev_extralibs="-lasound"
1388 audio_beos_indev_deps="audio_beos"
1389 audio_beos_indev_extralibs="-lmedia -lbe"
1390 audio_beos_outdev_deps="audio_beos"
1391 audio_beos_outdev_extralibs="-lmedia -lbe"
1392 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1393 dv1394_indev_deps="dv1394 dv_demuxer"
1394 jack_indev_deps="jack_jack_h"
1395 jack_indev_extralibs="-ljack"
1396 libdc1394_indev_deps="libdc1394"
1397 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1398 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1399 v4l_indev_deps="linux_videodev_h"
1400 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1401 vfwcap_indev_deps="capCreateCaptureWindow"
1402 vfwcap_indev_extralibs="-lavicap32"
1403 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1404 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1405
1406 # protocols
1407 gopher_protocol_deps="network"
1408 http_protocol_deps="network"
1409 http_protocol_select="tcp_protocol"
1410 rtmp_protocol_deps="tcp_protocol"
1411 rtp_protocol_deps="udp_protocol"
1412 tcp_protocol_deps="network"
1413 udp_protocol_deps="network"
1414
1415 # filters
1416 movie_filter_deps="avfilter_lavf"
1417 avfilter_lavf_deps="avformat"
1418
1419 # libraries
1420 avdevice_deps="avcodec avformat"
1421 avformat_deps="avcodec"
1422
1423 # programs
1424 ffmpeg_deps="avcodec avformat swscale"
1425 ffplay_deps="avcodec avformat swscale sdl"
1426 ffplay_select="rdft"
1427 ffprobe_deps="avcodec avformat"
1428 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1429 ffserver_extralibs='$ldl'
1430
1431 doc_deps="texi2html"
1432
1433 # default parameters
1434
1435 logfile="config.err"
1436
1437 # installation paths
1438 prefix_default="/usr/local"
1439 bindir_default='${prefix}/bin'
1440 datadir_default='${prefix}/share/ffmpeg'
1441 incdir_default='${prefix}/include'
1442 libdir_default='${prefix}/lib'
1443 mandir_default='${prefix}/share/man'
1444 shlibdir_default="$libdir_default"
1445
1446 # toolchain
1447 ar_default="ar"
1448 cc_default="gcc"
1449 cc_version=\"unknown\"
1450 host_cc_default="gcc"
1451 ln_s="ln -sf"
1452 nm_default="nm"
1453 objformat="elf"
1454 ranlib="ranlib"
1455 strip_default="strip"
1456 yasmexe="yasm"
1457
1458 nm_opts='-g'
1459
1460 # machine
1461 arch_default=$(uname -m)
1462 cpu="generic"
1463
1464 # OS
1465 target_os_default=$(tolower $(uname -s))
1466 host_os=$target_os_default
1467
1468 # configurable options
1469 enable avcodec
1470 enable avdevice
1471 enable avformat
1472 enable avutil
1473 enable asm
1474 enable debug
1475 enable doc
1476 enable fastdiv
1477 enable ffmpeg
1478 enable ffplay
1479 enable ffprobe
1480 enable ffserver
1481 enable mpegaudio_hp
1482 enable network
1483 enable optimizations
1484 enable protocols
1485 enable static
1486 enable stripping
1487 enable swscale
1488 enable swscale_alpha
1489
1490 # build settings
1491 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1492 FFSERVERLDFLAGS=-Wl,-E
1493 LIBPREF="lib"
1494 LIBSUF=".a"
1495 FULLNAME='$(NAME)$(BUILDSUF)'
1496 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1497 SLIBPREF="lib"
1498 SLIBSUF=".so"
1499 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1500 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1501 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1502 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1503
1504 CC_O='-o $@'
1505
1506 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1507 host_libs='-lm'
1508
1509 target_path='$(CURDIR)'
1510
1511 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1512 # full relative path for objects in subdirectories for non-recursive Make.
1513 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1514 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1515
1516 # find source path
1517 source_path="$(dirname "$0")"
1518 enable source_path_used
1519 if test -f configure; then
1520 source_path="$(pwd)"
1521 disable source_path_used
1522 else
1523 source_path="$(cd "$source_path"; pwd)"
1524 echo "$source_path" | grep -q '[[:blank:]]' &&
1525 die "Out of tree builds are impossible with whitespace in source path."
1526 test -e "$source_path/config.h" &&
1527 die "Out of tree builds are impossible with config.h in source dir."
1528 fi
1529
1530 for v in "$@"; do
1531 r=${v#*=}
1532 l=${v%"$r"}
1533 r=$(sh_quote "$r")
1534 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1535 done
1536
1537 find_things(){
1538 thing=$1
1539 pattern=$2
1540 file=$source_path/$3
1541 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1542 }
1543
1544 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1545 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1546 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1547 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1548 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1549 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1550 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1551 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1552 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1553 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1554 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1555
1556 for n in $COMPONENT_LIST; do
1557 v=$(toupper ${n%s})_LIST
1558 eval enable \$$v
1559 eval ${n}_if_any="\$$v"
1560 done
1561
1562 enable $ARCH_EXT_LIST
1563
1564 die_unknown(){
1565 echo "Unknown option \"$1\"."
1566 echo "See $0 --help for available options."
1567 exit 1
1568 }
1569
1570 show_list() {
1571 suffix=_$1
1572 shift
1573 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1574 exit 0
1575 }
1576
1577 for opt do
1578 optval="${opt#*=}"
1579 case "$opt" in
1580 --extra-ldflags=*) add_ldflags $optval
1581 ;;
1582 --extra-libs=*) add_extralibs $optval
1583 ;;
1584 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1585 ;;
1586 --enable-debug=*) debuglevel="$optval"
1587 ;;
1588 --disable-everything)
1589 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1590 ;;
1591 --enable-*=*|--disable-*=*)
1592 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1593 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1594 eval list=\$$(toupper $thing)_LIST
1595 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1596 $action $(filter "$name" $list)
1597 ;;
1598 --enable-?*|--disable-?*)
1599 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1600 if is_in $option $COMPONENT_LIST; then
1601 test $action = disable && action=unset
1602 eval $action \$$(toupper ${option%s})_LIST
1603 elif is_in $option $CMDLINE_SELECT; then
1604 $action $option
1605 else
1606 die_unknown $opt
1607 fi
1608 ;;
1609 --list-*)
1610 NAME="${opt#--list-}"
1611 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1612 NAME=${NAME%s}
1613 eval show_list $NAME \$$(toupper $NAME)_LIST
1614 ;;
1615 --help|-h) show_help
1616 ;;
1617 *)
1618 optname="${opt%%=*}"
1619 optname="${optname#--}"
1620 optname=$(echo "$optname" | sed 's/-/_/g')
1621 if is_in $optname $CMDLINE_SET; then
1622 eval $optname='$optval'
1623 elif is_in $optname $CMDLINE_APPEND; then
1624 append $optname "$optval"
1625 else
1626 die_unknown $opt
1627 fi
1628 ;;
1629 esac
1630 done
1631
1632 disabled logging && logfile=/dev/null
1633
1634 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1635 set >> $logfile
1636
1637 test -n "$cross_prefix" && enable cross_compile
1638
1639 if enabled cross_compile; then
1640 test -n "$arch" && test -n "$target_os" ||
1641 die "Must specify target arch and OS when cross-compiling"
1642 fi
1643
1644 set_default arch target_os
1645
1646 ar_default="${cross_prefix}${ar_default}"
1647 cc_default="${cross_prefix}${cc_default}"
1648 nm_default="${cross_prefix}${nm_default}"
1649 ranlib="${cross_prefix}${ranlib}"
1650 strip_default="${cross_prefix}${strip_default}"
1651
1652 sysinclude_default="${sysroot}/usr/include"
1653
1654 set_default cc nm strip sysinclude
1655 enabled cross_compile || host_cc_default=$cc
1656 set_default host_cc
1657
1658 exesuf() {
1659 case $1 in
1660 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1661 esac
1662 }
1663
1664 EXESUF=$(exesuf $target_os)
1665 HOSTEXESUF=$(exesuf $host_os)
1666
1667 # set temporary file name
1668 : ${TMPDIR:=$TEMPDIR}
1669 : ${TMPDIR:=$TMP}
1670 : ${TMPDIR:=/tmp}
1671
1672 if ! check_cmd type mktemp; then
1673 # simple replacement for missing mktemp
1674 # NOT SAFE FOR GENERAL USE
1675 mktemp(){
1676 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1677 }
1678 fi
1679
1680 tmpfile(){
1681 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1682 (set -C; exec > $tmp) 2>/dev/null ||
1683 die "Unable to create temporary file in $TMPDIR."
1684 append TMPFILES $tmp
1685 eval $1=$tmp
1686 }
1687
1688 trap 'rm -f -- $TMPFILES' EXIT
1689 trap exit HUP INT TERM
1690
1691 tmpfile TMPC .c
1692 tmpfile TMPE $EXESUF
1693 tmpfile TMPH .h
1694 tmpfile TMPO .o
1695 tmpfile TMPS .S
1696 tmpfile TMPV .ver
1697 tmpfile TMPSH .sh
1698
1699 unset -f mktemp
1700
1701 # make sure we can execute files in $TMPDIR
1702 cat > $TMPSH 2>> $logfile <<EOF
1703 #! /bin/sh
1704 EOF
1705 chmod +x $TMPSH >> $logfile 2>&1
1706 if ! $TMPSH >> $logfile 2>&1; then
1707 cat <<EOF
1708 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1709 variable to another directory and make sure that it is not mounted noexec.
1710 EOF
1711 die "Sanity test failed."
1712 fi
1713
1714 filter_cflags=echo
1715 filter_cppflags=echo
1716 filter_asflags=echo
1717
1718 if $cc -v 2>&1 | grep -qi ^gcc; then
1719 cc_type=gcc
1720 cc_version=__VERSION__
1721 if ! $cc -dumpversion | grep -q '^2\.'; then
1722 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1723 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1724 fi
1725 speed_cflags='-O3'
1726 size_cflags='-Os'
1727 elif $cc --version 2>/dev/null | grep -q Intel; then
1728 cc_type=icc
1729 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1730 CC_DEPFLAGS='-MMD'
1731 AS_DEPFLAGS='-MMD'
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
1734 elif $cc -v 2>&1 | grep -q xlc; then
1735 cc_type=xlc
1736 cc_version="AV_STRINGIFY(__IBMC__)"
1737 speed_cflags='-O5'
1738 size_cflags='-O5 -qcompact'
1739 elif $cc -V 2>/dev/null | grep -q Compaq; then
1740 cc_type=ccc
1741 cc_version="AV_STRINGIFY(__DECC_VER)"
1742 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1743 debuglevel=3
1744 add_ldflags -Wl,-z,now # calls to libots crash without this
1745 speed_cflags='-fast'
1746 size_cflags='-O1'
1747 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1748 test -d "$sysroot" || die "No valid sysroot specified."
1749 cc_type=armcc
1750 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1751 armcc_conf="$PWD/armcc.conf"
1752 $cc --arm_linux_configure \
1753 --arm_linux_config_file="$armcc_conf" \
1754 --configure_sysroot="$sysroot" \
1755 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1756 die "Error creating armcc configuration file."
1757 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1758 as_default="${cross_prefix}gcc"
1759 CC_DEPFLAGS='-MMD'
1760 AS_DEPFLAGS='-MMD'
1761 speed_cflags='-O3'
1762 size_cflags='-Os'
1763 elif $cc -version 2>/dev/null | grep -q TMS470; then
1764 cc_type=tms470
1765 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1766 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1767 CC_O='-fr=$(@D)'
1768 as_default="${cross_prefix}gcc"
1769 ld_default="${cross_prefix}gcc"
1770 TMPO=$(basename $TMPC .c).o
1771 append TMPFILES $TMPO
1772 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1773 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1774 AS_DEPFLAGS='-MMD'
1775 speed_cflags='-O3 -mf=5'
1776 size_cflags='-O3 -mf=2'
1777 filter_cflags=tms470_flags
1778 tms470_flags(){
1779 for flag; do
1780 case $flag in
1781 -march=*|-mcpu=*)
1782 case "${flag#*=}" in
1783 armv7-a|cortex-a*) echo -mv=7a8 ;;
1784 armv7-r|cortex-r*) echo -mv=7r4 ;;
1785 armv7-m|cortex-m*) echo -mv=7m3 ;;
1786 armv6*|arm11*) echo -mv=6 ;;
1787 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1788 echo -mv=5e ;;
1789 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1790 esac
1791 ;;
1792 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1793 -mfpu=vfp) echo --float_support=vfpv2 ;;
1794 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1795 -msoft-float) echo --float_support=vfplib ;;
1796 -O[0-3]|-mf=*) echo $flag ;;
1797 -g) echo -g -mn ;;
1798 -pds=*) echo $flag ;;
1799 esac
1800 done
1801 }
1802 elif $cc -v 2>&1 | grep -q clang; then
1803 cc_type=clang
1804 cc_version=__VERSION__
1805 CC_DEPFLAGS='-MMD'
1806 AS_DEPFLAGS='-MMD'
1807 speed_cflags='-O3'
1808 size_cflags='-Os'
1809 elif $cc -V 2>&1 | grep -q Sun; then
1810 cc_type=suncc
1811 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1812 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1813 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1814 speed_cflags='-O5'
1815 size_cflags='-O5 -xspace'
1816 filter_cflags=suncc_flags
1817 suncc_flags(){
1818 for flag; do
1819 case $flag in
1820 -march=*|-mcpu=*)
1821 case "${flag#*=}" in
1822 native) echo -xtarget=native ;;
1823 v9) echo -xarch=sparc ;;
1824 ultrasparc) echo -xarch=sparcvis ;;
1825 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1826 i586|pentium) echo -xchip=pentium ;;
1827 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1828 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1829 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1830 pentium4*) echo -xtarget=pentium4 ;;
1831 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1832 *-sse3) echo -xarch=sse3 ;;
1833 core2) echo -xarch=ssse3 -xchip=core2 ;;
1834 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1835 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1836 k8|opteron|athlon64|athlon-fx)
1837 echo -xarch=sse2a ;;
1838 athlon*) echo -xarch=pentium_proa ;;
1839 esac
1840 ;;
1841 -std=c99) echo -xc99 ;;
1842 -fomit-frame-pointer) echo -xregs=frameptr ;;
1843 -fPIC) echo -KPIC -xcode=pic32 ;;
1844 -W*,*) echo $flag ;;
1845 -f*-*|-W*) ;;
1846 *) echo $flag ;;
1847 esac
1848 done
1849 }
1850 fi
1851
1852 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1853
1854 : ${as_default:=$cc}
1855 : ${dep_cc_default:=$cc}
1856 : ${ld_default:=$cc}
1857 set_default ar as dep_cc ld
1858
1859 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1860 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1861
1862 add_cflags $extra_cflags
1863 add_asflags $extra_cflags
1864
1865 if test -n "$sysroot"; then
1866 case "$cc_type" in
1867 gcc)
1868 add_cppflags --sysroot="$sysroot"
1869 add_ldflags --sysroot="$sysroot"
1870 ;;
1871 tms470)
1872 add_cppflags -I"$sysinclude"
1873 add_ldflags --sysroot="$sysroot"
1874 ;;
1875 clang)
1876 add_cppflags -isysroot "$sysroot"
1877 add_ldflags -isysroot "$sysroot"
1878 ;;
1879 esac
1880 fi
1881
1882 if test "$cpu" = host; then
1883 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1884
1885 case "$cc_type" in
1886 gcc)
1887 check_native(){
1888 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1889 sed -n "/$1=/{
1890 s/.*$1=\\([^ ]*\\).*/\\1/
1891 p
1892 q
1893 }" $TMPE
1894 }
1895 cpu=$(check_native -march || check_native -mcpu)
1896 ;;
1897 esac
1898
1899 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1900 fi
1901
1902 # Deal with common $arch aliases
1903 case "$arch" in
1904 arm*)
1905 arch="arm"
1906 ;;
1907 mips|mipsel|IP*)
1908 arch="mips"
1909 ;;
1910 mips64*)
1911 arch="mips"
1912 subarch="mips64"
1913 ;;
1914 parisc|hppa)
1915 arch="parisc"
1916 ;;
1917 parisc64|hppa64)
1918 arch="parisc"
1919 subarch="parisc64"
1920 ;;
1921 "Power Macintosh"|ppc|powerpc)
1922 arch="ppc"
1923 ;;
1924 ppc64|powerpc64)
1925 arch="ppc"
1926 subarch="ppc64"
1927 ;;
1928 s390|s390x)
1929 arch="s390"
1930 ;;
1931 sh4|sh)
1932 arch="sh4"
1933 ;;
1934 sun4u|sparc64)
1935 arch="sparc"
1936 subarch="sparc64"
1937 ;;
1938 i[3-6]86|i86pc|BePC|x86_64|amd64)
1939 arch="x86"
1940 ;;
1941 esac
1942
1943 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1944 enable $arch
1945
1946 # Add processor-specific flags
1947 if test "$cpu" = generic; then
1948 : do nothing
1949 elif enabled ppc; then
1950
1951 case $(tolower $cpu) in
1952 601|ppc601|powerpc601)
1953 cpuflags="-mcpu=601"
1954 disable altivec
1955 ;;
1956 603*|ppc603*|powerpc603*)
1957 cpuflags="-mcpu=603"
1958 disable altivec
1959 ;;
1960 604*|ppc604*|powerpc604*)
1961 cpuflags="-mcpu=604"
1962 disable altivec
1963 ;;
1964 g3|75*|ppc75*|powerpc75*)
1965 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1966 disable altivec
1967 ;;
1968 g4|745*|ppc745*|powerpc745*)
1969 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1970 ;;
1971 74*|ppc74*|powerpc74*)
1972 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1973 ;;
1974 g5|970|ppc970|powerpc970|power4*)
1975 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1976 ;;
1977 cell)
1978 cpuflags="-mcpu=cell"
1979 enable ldbrx
1980 ;;
1981 e500v2)
1982 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1983 disable altivec
1984 ;;
1985 e500)
1986 cpuflags="-mcpu=8540 -mhard-float"
1987 disable altivec
1988 ;;
1989 esac
1990
1991 elif enabled x86; then
1992
1993 case $cpu in
1994 i[345]86|pentium)
1995 cpuflags="-march=$cpu"
1996 disable mmx
1997 ;;
1998 # targets that do NOT support conditional mov (cmov)
1999 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2000 cpuflags="-march=$cpu"
2001 disable cmov
2002 ;;
2003 # targets that do support conditional mov (cmov)
2004 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2005 cpuflags="-march=$cpu"
2006 enable cmov
2007 enable fast_cmov
2008 ;;
2009 # targets that do support conditional mov but on which it's slow
2010 pentium4|pentium4m|prescott|nocona)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 disable fast_cmov
2014 ;;
2015 esac
2016
2017 elif enabled sparc; then
2018
2019 case $cpu in
2020 sparc64)
2021 cpuflags="-mcpu=v9"
2022 ;;
2023 esac
2024
2025 elif enabled arm; then
2026
2027 case $cpu in
2028 armv*)
2029 cpuflags="-march=$cpu"
2030 ;;
2031 *)
2032 cpuflags="-mcpu=$cpu"
2033 ;;
2034 esac
2035
2036 elif enabled alpha; then
2037
2038 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2039
2040 elif enabled bfin; then
2041
2042 cpuflags="-mcpu=$cpu"
2043
2044 elif enabled mips; then
2045
2046 cpuflags="-march=$cpu"
2047
2048 elif enabled avr32; then
2049
2050 case $cpu in
2051 ap7[02]0[0-2])
2052 subarch="avr32_ap"
2053 cpuflags="-mpart=$cpu"
2054 ;;
2055 ap)
2056 subarch="avr32_ap"
2057 cpuflags="-march=$cpu"
2058 ;;
2059 uc3[ab]*)
2060 subarch="avr32_uc"
2061 cpuflags="-mcpu=$cpu"
2062 ;;
2063 uc)
2064 subarch="avr32_uc"
2065 cpuflags="-march=$cpu"
2066 ;;
2067 esac
2068
2069 fi
2070
2071 add_cflags $cpuflags
2072 add_asflags $cpuflags
2073
2074 # compiler sanity check
2075 check_exec <<EOF
2076 int main(void){ return 0; }
2077 EOF
2078 if test "$?" != 0; then
2079 echo "$cc is unable to create an executable file."
2080 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2081 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2082 echo "Only do this if you know what cross compiling means."
2083 fi
2084 die "C compiler test failed."
2085 fi
2086
2087 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2088 check_cflags -std=c99
2089 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2090 #include <stdlib.h>
2091 EOF
2092 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2093 #include <stdlib.h>
2094 EOF
2095
2096 check_host_cflags -std=c99
2097
2098 case "$arch" in
2099 alpha|ia64|mips|parisc|sparc)
2100 spic=$shared
2101 ;;
2102 x86)
2103 subarch="x86_32"
2104 check_cc <<EOF && subarch="x86_64"
2105 int test[(int)sizeof(char*) - 7];
2106 EOF
2107 if test "$subarch" = "x86_64"; then
2108 spic=$shared
2109 fi
2110 ;;
2111 esac
2112
2113 enable $subarch
2114 enabled spic && enable pic
2115
2116 # OS specific
2117 case $target_os in
2118 beos|haiku|zeta)
2119 prefix_default="$HOME/config"
2120 # 3 gcc releases known for BeOS, each with ugly bugs
2121 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2122 case "$gcc_version" in
2123 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2124 disable mmx
2125 ;;
2126 *20010315*) echo "BeBits gcc"
2127 add_cflags -fno-expensive-optimizations
2128 ;;
2129 esac
2130 SHFLAGS=-nostart
2131 # enable BeOS things
2132 enable audio_beos
2133 # no need for libm, but the inet stuff
2134 # Check for BONE
2135 # XXX: actually should check for NOT net_server
2136 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2137 network_extralibs="-lbind -lsocket"
2138 else
2139 enable beos_netserver
2140 network_extralibs="-lnet"
2141 fi ;;
2142 sunos)
2143 FFSERVERLDFLAGS=""
2144 SHFLAGS='-shared -Wl,-h,$$(@F)'
2145 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2146 network_extralibs="-lsocket -lnsl"
2147 add_cppflags -D__EXTENSIONS__
2148 nm_opts='-P -g'
2149 ;;
2150 netbsd)
2151 oss_indev_extralibs="-lossaudio"
2152 oss_outdev_extralibs="-lossaudio"
2153 add_cppflags -D_XOPEN_SOURCE=600
2154 ;;
2155 openbsd)
2156 enable malloc_aligned
2157 # On OpenBSD 4.5. the compiler does not use PIC unless
2158 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2159 # however the generated executable will not do anything
2160 # (simply quits with exit-code 1, no crash, no output).
2161 # Thus explicitly enable PIC here.
2162 enable pic
2163 SHFLAGS='-shared'
2164 oss_indev_extralibs="-lossaudio"
2165 oss_outdev_extralibs="-lossaudio"
2166 ;;
2167 freebsd|dragonfly)
2168 enable malloc_aligned
2169 ;;
2170 bsd/os)
2171 osextralibs="-lpoll -lgnugetopt"
2172 strip="strip -d"
2173 ;;
2174 darwin)
2175 enable malloc_aligned
2176 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2177 strip="strip -x"
2178 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2179 SLIBSUF=".dylib"
2180 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2181 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2182 FFSERVERLDFLAGS=-Wl,-bind_at_load
2183 objformat="macho"
2184 enabled x86_64 && objformat="macho64"
2185 enabled_any pic shared ||
2186 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2187 ;;
2188 mingw32*)
2189 if test $target_os = "mingw32ce"; then
2190 disable network
2191 else
2192 target_os=mingw32
2193 fi
2194 LIBTARGET=i386
2195 if enabled x86_64; then
2196 enable malloc_aligned
2197 LIBTARGET=x64
2198 elif enabled arm; then
2199 LIBTARGET=arm
2200 fi
2201 shlibdir_default="$bindir_default"
2202 disable ffserver
2203 SLIBPREF=""
2204 SLIBSUF=".dll"
2205 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2206 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2207 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2208 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2209 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2210 install -d "$(LIBDIR)"; \
2211 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2212 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2213 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2214 objformat="win32"
2215 enable dos_paths
2216 check_cflags -fno-common
2217 if ! enabled x86_64; then
2218 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2219 die "ERROR: MinGW runtime version must be >= 3.15."
2220 enabled_any avisynth vfwcap_indev &&
2221 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2222 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2223 fi
2224 ;;
2225 cygwin*)
2226 target_os=cygwin
2227 shlibdir_default="$bindir_default"
2228 SLIBPREF="cyg"
2229 SLIBSUF=".dll"
2230 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2231 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2232 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2233 objformat="win32"
2234 enable dos_paths
2235 check_cflags -fno-common
2236 ;;
2237 *-dos|freedos|opendos)
2238 disable ffplay ffserver
2239 disable $INDEV_LIST $OUTDEV_LIST
2240 network_extralibs="-lsocket"
2241 objformat="coff"
2242 enable dos_paths
2243 ;;
2244 linux)
2245 enable dv1394
2246 ;;
2247 irix*)
2248 target_os=irix
2249 ranlib="echo ignoring ranlib"
2250 ;;
2251 os/2*)
2252 strip="lxlite"
2253 ln_s="cp -f"
2254 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2255 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2256 FFSERVERLDFLAGS=""
2257 LIBSUF="_s.a"
2258 SLIBPREF=""
2259 SLIBSUF=".dll"
2260 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2261 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2262 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2263 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2264 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2265 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2266 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2267 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2268 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2269 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2270 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2271 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2272 enable dos_paths
2273 ;;
2274 gnu/kfreebsd)
2275 ;;
2276 gnu)
2277 ;;
2278 none)
2279 ;;
2280 *)
2281 die "Unknown OS '$target_os'."
2282 ;;
2283 esac
2284
2285 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2286
2287 set_default $PATHS_LIST
2288
2289 add_extralibs $osextralibs
2290
2291 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2292 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2293
2294 # we need to build at least one lib type
2295 if ! enabled_any static shared; then
2296 cat <<EOF
2297 At least one library type must be built.
2298 Specify --enable-static to build the static libraries or --enable-shared to
2299 build the shared libraries as well. To only build the shared libraries specify
2300 --disable-static in addition to --enable-shared.
2301 EOF
2302 exit 1;
2303 fi
2304
2305 disabled static && LIBNAME=""
2306
2307 if enabled_any libfaad libfaadbin ; then
2308 if check_header faad.h; then
2309 check_cc <<EOF
2310 #include <faad.h>
2311 #ifndef FAAD2_VERSION
2312 ok faad1
2313 #endif
2314 int main(void) { return 0; }
2315 EOF
2316 test $? = 0 && enable libfaad2
2317 else
2318 die "FAAD test failed."
2319 fi
2320 fi
2321
2322
2323 die_license_disabled() {
2324 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2325 }
2326
2327 die_license_disabled gpl libfaad2
2328 die_license_disabled gpl libx264
2329 die_license_disabled gpl libxvid
2330 die_license_disabled gpl postproc
2331 die_license_disabled gpl x11grab
2332
2333 die_license_disabled nonfree libfaac
2334
2335 die_license_disabled version3 libopencore_amrnb
2336 die_license_disabled version3 libopencore_amrwb
2337
2338 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2339
2340 check_deps $ARCH_EXT_LIST
2341
2342 disabled optimizations || check_cflags -fomit-frame-pointer
2343
2344 enable_pic() {
2345 enable pic
2346 add_cppflags -DPIC
2347 add_cflags -fPIC
2348 add_asflags -fPIC
2349 }
2350
2351 enabled pic && enable_pic
2352
2353 check_cc <<EOF || die "Symbol mangling check failed."
2354 int ff_extern;
2355 EOF
2356 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2357 extern_prefix=${sym%%ff_extern*}
2358
2359 check_cc <<EOF && enable inline_asm
2360 void foo(void) { __asm__ volatile ("" ::); }
2361 EOF
2362
2363 _restrict=
2364 for restrict_keyword in restrict __restrict__ __restrict; do
2365 check_cc <<EOF && _restrict=$restrict_keyword && break
2366 void foo(char * $restrict_keyword p);
2367 EOF
2368 done
2369
2370 check_cc <<EOF && enable attribute_packed
2371 struct { int x; } __attribute__((packed)) x;
2372 EOF
2373
2374 check_cc <<EOF && enable attribute_may_alias
2375 union { int x; } __attribute__((may_alias)) x;
2376 EOF
2377
2378 check_cc <<EOF || die "endian test failed"
2379 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2380 EOF
2381 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2382
2383 if enabled alpha; then
2384
2385 check_cflags -mieee
2386
2387 elif enabled arm; then
2388
2389 check_cflags -marm
2390
2391 check_ld <<EOF && enable vfp_args
2392 __asm__ (".eabi_attribute 28, 1");
2393 int main(void) { return 0; }
2394 EOF
2395
2396 # We have to check if pld is a nop and disable it.
2397 check_asm pld '"pld [r0]"'
2398
2399 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2400 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2401 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2402 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2403 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2404 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2405
2406 enabled_all armv6t2 shared !pic && enable_pic
2407
2408 elif enabled ia64; then
2409
2410 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2411 enabled shared && enable_weak hardcoded_tables
2412
2413 elif enabled mips; then
2414
2415 check_asm loongson '"dmult.g $1, $2, $3"'
2416 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2417
2418 elif enabled ppc; then
2419
2420 enable local_aligned_8 local_aligned_16
2421
2422 check_asm dcbzl '"dcbzl 0, 1"'
2423 check_asm ppc4xx '"maclhw r10, r11, r12"'
2424 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2425
2426 # AltiVec flags: The FSF version of GCC differs from the Apple version
2427 if enabled altivec; then
2428 check_cflags -maltivec -mabi=altivec &&
2429 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2430 check_cflags -faltivec
2431
2432 # check if our compiler supports Motorola AltiVec C API
2433 check_cc <<EOF || disable altivec
2434 $inc_altivec_h
2435 int main(void) {
2436 vector signed int v1, v2, v3;
2437 v1 = vec_add(v2,v3);
2438 return 0;
2439 }
2440 EOF
2441
2442 # check if our compiler supports braces for vector declarations
2443 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2444 $inc_altivec_h
2445 int main (void) { (vector int) {1}; return 0; }
2446 EOF
2447 fi
2448
2449 elif enabled sparc; then
2450
2451 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2452 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2453
2454 elif enabled x86; then
2455
2456 enable local_aligned_8 local_aligned_16
2457
2458 # check whether EBP is available on x86
2459 # As 'i' is stored on the stack, this program will crash
2460 # if the base pointer is used to access it because the
2461 # base pointer is cleared in the inline assembly code.
2462 check_exec_crash <<EOF && enable ebp_available
2463 volatile int i=0;
2464 __asm__ volatile (
2465 "xorl %%ebp, %%ebp"
2466 ::: "%ebp");
2467 return i;
2468 EOF
2469
2470 # check whether EBX is available on x86
2471 check_asm ebx_available '""::"b"(0)' &&
2472 check_asm ebx_available '"":::"%ebx"'
2473
2474 # check whether more than 10 operands are supported
2475 check_cc <<EOF && enable ten_operands
2476 int main(void) {
2477 int x=0;
2478 __asm__ volatile(
2479 ""
2480 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2481 );
2482 return 0;
2483 }
2484 EOF
2485
2486 # check whether binutils is new enough to compile SSSE3/MMX2
2487 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2488 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2489
2490 check_asm bswap '"bswap %%eax" ::: "%eax"'
2491
2492 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2493 enabled x86_64 && append YASMFLAGS "-m amd64"
2494 enabled pic && append YASMFLAGS "-DPIC"
2495 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2496 case "$objformat" in
2497 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2498 esac
2499 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2500
2501 case "$cpu" in
2502 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2503 disable fast_clz
2504 ;;
2505 esac
2506
2507 fi
2508
2509 if check_func dlopen; then
2510 ldl=
2511 elif check_func dlopen -ldl; then
2512 ldl=-ldl
2513 fi
2514
2515 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2516 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2517
2518 check_func fork
2519 check_func getaddrinfo $network_extralibs
2520 check_func gethrtime
2521 check_func getrusage
2522 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2523 check_func inet_aton $network_extralibs
2524 check_func isatty
2525 check_func ${malloc_prefix}memalign && enable memalign
2526 check_func mkstemp
2527 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2528 check_func setrlimit
2529 check_func strerror_r
2530 check_func_headers io.h setmode
2531 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2532 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2533 check_func_headers windows.h GetProcessTimes
2534 check_func_headers windows.h VirtualAlloc
2535
2536 check_header conio.h
2537 check_header dlfcn.h
2538 check_header dxva2api.h
2539 check_header malloc.h
2540 check_header poll.h
2541 check_header sys/mman.h
2542 check_header sys/resource.h
2543 check_header sys/select.h
2544 check_header termios.h
2545 check_header vdpau/vdpau.h
2546 check_header vdpau/vdpau_x11.h
2547 check_header X11/extensions/XvMClib.h
2548
2549 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2550
2551 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2552 enabled_any $need_memalign ; then
2553 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2554 fi
2555
2556 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2557 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2558
2559 # check for some common methods of building with pthread support
2560 # do this before the optional library checks as some of them require pthreads
2561 if enabled pthreads; then
2562 if check_func pthread_create; then
2563 :
2564 elif check_func pthread_create -pthread; then
2565 add_cflags -pthread
2566 add_extralibs -pthread
2567 elif check_func pthread_create -pthreads; then
2568 add_cflags -pthreads
2569 add_extralibs -pthreads
2570 elif check_func pthread_create -lpthreadGC2; then
2571 add_extralibs -lpthreadGC2
2572 elif ! check_lib pthread.h pthread_create -lpthread; then
2573 die "ERROR: can't find pthreads library"
2574 fi
2575 fi
2576
2577 for thread in $THREADS_LIST; do
2578 if enabled $thread; then
2579 test -n "$thread_type" &&
2580 die "ERROR: Only one thread type must be selected." ||
2581 thread_type="$thread"
2582 fi
2583 done
2584
2585 check_lib math.h sin -lm
2586 check_lib va/va.h vaInitialize -lva
2587
2588 check_mathfunc exp2
2589 check_mathfunc exp2f
2590 check_mathfunc llrint
2591 check_mathfunc llrintf
2592 check_mathfunc log2
2593 check_mathfunc log2f
2594 check_mathfunc lrint
2595 check_mathfunc lrintf
2596 check_mathfunc round
2597 check_mathfunc roundf
2598 check_mathfunc truncf
2599
2600 # these are off by default, so fail if requested and not available
2601 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2602 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2603 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2604 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2605 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2606 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2607 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2608 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2609 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2610 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2611 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2612 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2613 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2614 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2615 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2616 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2617 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2618 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2619 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2620 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2621 die "ERROR: libx264 version must be >= 0.83."; }
2622 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2623 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2624
2625 # libdc1394 check
2626 if enabled libdc1394; then
2627 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2628 enable libdc1394_2; } ||
2629 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2630 enable libdc1394_1; } ||
2631 die "ERROR: No version of libdc1394 found "
2632 fi
2633
2634 SDL_CONFIG="${cross_prefix}sdl-config"
2635 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2636 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2637 sdl_libs=$("${SDL_CONFIG}" --libs)
2638 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2639 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2640 enable sdl &&
2641 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2642 fi
2643
2644 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2645
2646 if enabled network; then
2647 check_type "sys/types.h sys/socket.h" socklen_t
2648 check_type netdb.h "struct addrinfo"
2649 check_type netinet/in.h "struct ipv6_mreq"
2650 check_type netinet/in.h "struct sockaddr_in6"
2651 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2652 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2653 # Prefer arpa/inet.h over winsock2
2654 if check_header arpa/inet.h ; then
2655 check_func closesocket
2656 elif check_header winsock2.h ; then
2657 check_func_headers winsock2.h closesocket -lws2 && \
2658 network_extralibs="-lws2" || \
2659 { check_func_headers winsock2.h closesocket -lws2_32 && \
2660 network_extralibs="-lws2_32"; }
2661 check_type ws2tcpip.h socklen_t
2662 check_type ws2tcpip.h "struct addrinfo"
2663 check_type ws2tcpip.h "struct ipv6_mreq"
2664 check_type ws2tcpip.h "struct sockaddr_in6"
2665 check_type ws2tcpip.h "struct sockaddr_storage"
2666 check_struct winsock2.h "struct sockaddr" sa_len
2667 else
2668 disable network
2669 fi
2670 fi
2671
2672 check_header linux/videodev.h
2673 check_header linux/videodev2.h
2674 check_header sys/videoio.h
2675
2676 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2677
2678 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2679 { check_header dev/bktr/ioctl_meteor.h &&
2680 check_header dev/bktr/ioctl_bt848.h; } ||
2681 { check_header machine/ioctl_meteor.h &&
2682 check_header machine/ioctl_bt848.h; } ||
2683 { check_header dev/video/meteor/ioctl_meteor.h &&
2684 check_header dev/video/bktr/ioctl_bt848.h; } ||
2685 check_header dev/ic/bt8xx.h
2686
2687 check_header sys/soundcard.h
2688 check_header soundcard.h
2689
2690 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2691
2692 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2693
2694 enabled x11grab &&
2695 check_header X11/Xlib.h &&
2696 check_header X11/extensions/XShm.h &&
2697 check_header X11/extensions/Xfixes.h &&
2698 check_func XOpenDisplay -lX11 &&
2699 check_func XShmCreateImage -lX11 -lXext &&
2700 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2701
2702 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2703 check_cpp_condition \
2704 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2705 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2706 disable vdpau; }
2707 fi
2708
2709 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2710
2711 # add some useful compiler flags if supported
2712 check_cflags -Wdeclaration-after-statement
2713 check_cflags -Wall
2714 check_cflags -Wno-switch
2715 check_cflags -Wdisabled-optimization
2716 check_cflags -Wpointer-arith
2717 check_cflags -Wredundant-decls
2718 check_cflags -Wno-pointer-sign
2719 check_cflags -Wcast-qual
2720 check_cflags -Wwrite-strings
2721 check_cflags -Wtype-limits
2722 check_cflags -Wundef
2723 check_cflags -Wmissing-prototypes
2724 enabled extra_warnings && check_cflags -Winline
2725
2726 # add some linker flags
2727 check_ldflags -Wl,--warn-common
2728 check_ldflags -Wl,--as-needed
2729 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'
2730 check_ldflags -Wl,-Bsymbolic
2731
2732 echo "X{};" > $TMPV
2733 test_ldflags -Wl,--version-script,$TMPV &&
2734 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2735
2736 if enabled small; then
2737 add_cflags $size_cflags
2738 optimizations="small"
2739 elif enabled optimizations; then
2740 add_cflags $speed_cflags
2741 fi
2742 check_cflags -fno-math-errno
2743 check_cflags -fno-signed-zeros
2744
2745 if enabled icc; then
2746 # Just warnings, no remarks
2747 check_cflags -w1
2748 # -wd: Disable following warnings
2749 # 144, 167, 556: -Wno-pointer-sign
2750 # 10006: ignoring unknown option -fno-signed-zeros
2751 # 10156: ignoring option '-W'; no argument required
2752 check_cflags -wd144,167,556,10006,10156
2753 # 11030: Warning unknown option --as-needed
2754 # 10156: ignoring option '-export'; no argument required
2755 check_ldflags -wd10156,11030
2756 # Allow to compile with optimizations
2757 check_ldflags -march=$cpu
2758 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2759 enable ebp_available
2760 elif enabled ccc; then
2761 # disable some annoying warnings
2762 add_cflags -msg_disable cvtu32to64
2763 add_cflags -msg_disable embedcomment
2764 add_cflags -msg_disable needconstext
2765 add_cflags -msg_disable nomainieee
2766 add_cflags -msg_disable ptrmismatch1
2767 add_cflags -msg_disable unreachcode
2768 elif enabled gcc; then
2769 check_cflags -fno-tree-vectorize
2770 check_cflags -Werror=implicit
2771 check_cflags -Werror=missing-prototypes
2772 elif enabled clang; then
2773 check_cflags -Qunused-arguments
2774 elif enabled armcc; then
2775 # 2523: use of inline assembler is deprecated
2776 add_cflags -Wrvct,--diag_suppress=2523
2777 add_cflags -Wrvct,--diag_suppress=1207
2778 elif enabled tms470; then
2779 add_cflags -pds=824 -pds=837
2780 fi
2781
2782 if enabled gprof; then
2783 add_cflags -p
2784 add_ldflags -p
2785 fi
2786
2787 # Find out if the .align argument is a power of two or not.
2788 check_asm asmalign_pot '".align 3"'
2789
2790 enabled_any $THREADS_LIST && enable threads
2791
2792 check_deps $CONFIG_LIST \
2793 $CONFIG_EXTRA \
2794 $HAVE_LIST \
2795 $DECODER_LIST \
2796 $ENCODER_LIST \
2797 $HWACCEL_LIST \
2798 $PARSER_LIST \
2799 $BSF_LIST \
2800 $DEMUXER_LIST \
2801 $MUXER_LIST \
2802 $FILTER_LIST \
2803 $INDEV_LIST \
2804 $OUTDEV_LIST \
2805 $PROTOCOL_LIST \
2806
2807 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2808
2809 echo "install prefix $prefix"
2810 echo "source path $source_path"
2811 echo "C compiler $cc"
2812 echo ".align is power-of-two $asmalign_pot"
2813 echo "ARCH $arch ($cpu)"
2814 if test "$build_suffix" != ""; then
2815 echo "build suffix $build_suffix"
2816 fi
2817 if test "$extra_version" != ""; then
2818 echo "version string suffix $extra_version"
2819 fi
2820 echo "big-endian ${bigendian-no}"
2821 echo "runtime cpu detection ${runtime_cpudetect-no}"
2822 if enabled x86; then
2823 echo "yasm ${yasm-no}"
2824 echo "MMX enabled ${mmx-no}"
2825 echo "MMX2 enabled ${mmx2-no}"
2826 echo "3DNow! enabled ${amd3dnow-no}"
2827 echo "3DNow! extended enabled ${amd3dnowext-no}"
2828 echo "SSE enabled ${sse-no}"
2829 echo "SSSE3 enabled ${ssse3-no}"
2830 echo "CMOV enabled ${cmov-no}"
2831 echo "CMOV is fast ${fast_cmov-no}"
2832 echo "EBX available ${ebx_available-no}"
2833 echo "EBP available ${ebp_available-no}"
2834 echo "10 operands supported ${ten_operands-no}"
2835 fi
2836 if enabled arm; then
2837 echo "ARMv5TE enabled ${armv5te-no}"
2838 echo "ARMv6 enabled ${armv6-no}"
2839 echo "ARMv6T2 enabled ${armv6t2-no}"
2840 echo "ARM VFP enabled ${armvfp-no}"
2841 echo "IWMMXT enabled ${iwmmxt-no}"
2842 echo "NEON enabled ${neon-no}"
2843 fi
2844 if enabled mips; then
2845 echo "MMI enabled ${mmi-no}"
2846 fi
2847 if enabled ppc; then
2848 echo "AltiVec enabled ${altivec-no}"
2849 echo "PPC 4xx optimizations ${ppc4xx-no}"
2850 echo "dcbzl available ${dcbzl-no}"
2851 echo "performance report ${powerpc_perf-no}"
2852 fi
2853 if enabled sparc; then
2854 echo "VIS enabled ${vis-no}"
2855 fi
2856 echo "gprof enabled ${gprof-no}"
2857 echo "debug symbols ${debug-no}"
2858 echo "strip symbols ${stripping-no}"
2859 echo "optimizations ${optimizations-no}"
2860 echo "static ${static-no}"
2861 echo "shared ${shared-no}"
2862 echo "postprocessing support ${postproc-no}"
2863 echo "new filter support ${avfilter-no}"
2864 echo "filters using lavformat ${avfilter_lavf-no}"
2865 echo "network support ${network-no}"
2866 echo "threading support ${thread_type-no}"
2867 echo "SDL support ${sdl-no}"
2868 echo "Sun medialib support ${mlib-no}"
2869 echo "AVISynth enabled ${avisynth-no}"
2870 echo "libdc1394 support ${libdc1394-no}"
2871 echo "libdirac enabled ${libdirac-no}"
2872 echo "libfaac enabled ${libfaac-no}"
2873 echo "libfaad enabled ${libfaad-no}"
2874 echo "libfaad dlopened ${libfaadbin-no}"
2875 echo "libgsm enabled ${libgsm-no}"
2876 echo "libmp3lame enabled ${libmp3lame-no}"
2877 echo "libnut enabled ${libnut-no}"
2878 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2879 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2880 echo "libopenjpeg enabled ${libopenjpeg-no}"
2881 echo "librtmp enabled ${librtmp-no}"
2882 echo "libschroedinger enabled ${libschroedinger-no}"
2883 echo "libspeex enabled ${libspeex-no}"
2884 echo "libtheora enabled ${libtheora-no}"
2885 echo "libvorbis enabled ${libvorbis-no}"
2886 echo "libx264 enabled ${libx264-no}"
2887 echo "libxvid enabled ${libxvid-no}"
2888 echo "zlib enabled ${zlib-no}"
2889 echo "bzlib enabled ${bzlib-no}"
2890 echo
2891
2892 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2893 echo "Enabled ${type}s:"
2894 eval list=\$$(toupper $type)_LIST
2895 for part in $list; do
2896 enabled $part && echo ${part%_*}
2897 done | sort | pr -3 -t
2898 echo
2899 done
2900
2901 license="LGPL version 2.1 or later"
2902 if enabled nonfree; then
2903 license="nonfree and unredistributable"
2904 elif enabled gplv3; then
2905 license="GPL version 3 or later"
2906 elif enabled lgplv3; then
2907 license="LGPL version 3 or later"
2908 elif enabled gpl; then
2909 license="GPL version 2 or later"
2910 fi
2911
2912 echo "License: $license"
2913
2914 echo "Creating config.mak and config.h..."
2915
2916 # build tree in object directory if source path is different from current one
2917 if enabled source_path_used; then
2918 DIRS="
2919 doc
2920 libavcodec
2921 libavcodec/$arch
2922 libavdevice
2923 libavfilter
2924 libavformat
2925 libavutil
2926 libavutil/$arch
2927 libpostproc
2928 libswscale
2929 libswscale/$arch
2930 tests
2931 tools
2932 "
2933 FILES="
2934 Makefile
2935 common.mak
2936 subdir.mak
2937 doc/texi2pod.pl
2938 libavcodec/Makefile
2939 libavcodec/${arch}/Makefile
2940 libavdevice/Makefile
2941 libavfilter/Makefile
2942 libavformat/Makefile
2943 libavutil/Makefile
2944 libpostproc/Makefile
2945 libswscale/Makefile
2946 "
2947 map 'mkdir -p $v' $DIRS;
2948 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2949 fi
2950
2951 enabled stripping || strip="echo skipping strip"
2952
2953 cat > config.mak <<EOF
2954 # Automatically generated by configure - do not modify!
2955 ifndef FFMPEG_CONFIG_MAK
2956 FFMPEG_CONFIG_MAK=1
2957 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2958 prefix=$prefix
2959 LIBDIR=\$(DESTDIR)$libdir
2960 SHLIBDIR=\$(DESTDIR)$shlibdir
2961 INCDIR=\$(DESTDIR)$incdir
2962 BINDIR=\$(DESTDIR)$bindir
2963 DATADIR=\$(DESTDIR)$datadir
2964 MANDIR=\$(DESTDIR)$mandir
2965 SRC_PATH="$source_path"
2966 SRC_PATH_BARE=$source_path
2967 BUILD_ROOT="$PWD"
2968 ARCH=$arch
2969 CC=$cc
2970 AS=$as
2971 LD=$ld
2972 DEPCC=$dep_cc
2973 YASM=$yasmexe
2974 YASMDEP=$yasmexe
2975 AR=$ar
2976 RANLIB=$ranlib
2977 CP=cp -p
2978 LN_S=$ln_s
2979 STRIP=$strip
2980 CPPFLAGS=$CPPFLAGS
2981 CFLAGS=$CFLAGS
2982 ASFLAGS=$ASFLAGS
2983 CC_O=$CC_O
2984 LDFLAGS=$LDFLAGS
2985 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2986 SHFLAGS=$SHFLAGS
2987 YASMFLAGS=$YASMFLAGS
2988 BUILDSUF=$build_suffix
2989 FULLNAME=$FULLNAME
2990 LIBPREF=$LIBPREF
2991 LIBSUF=$LIBSUF
2992 LIBNAME=$LIBNAME
2993 SLIBPREF=$SLIBPREF
2994 SLIBSUF=$SLIBSUF
2995 EXESUF=$EXESUF
2996 EXTRA_VERSION=$extra_version
2997 DEPFLAGS=$DEPFLAGS
2998 CCDEP=$CCDEP
2999 ASDEP=$ASDEP
3000 CC_DEPFLAGS=$CC_DEPFLAGS
3001 AS_DEPFLAGS=$AS_DEPFLAGS
3002 HOSTCC=$host_cc
3003 HOSTCFLAGS=$host_cflags
3004 HOSTEXESUF=$HOSTEXESUF
3005 HOSTLDFLAGS=$host_ldflags
3006 HOSTLIBS=$host_libs
3007 TARGET_EXEC=$target_exec
3008 TARGET_PATH=$target_path
3009 SDL_LIBS=$sdl_libs
3010 SDL_CFLAGS=$sdl_cflags
3011 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3012 EXTRALIBS=$extralibs
3013 INSTALL=install
3014 LIBTARGET=${LIBTARGET}
3015 SLIBNAME=${SLIBNAME}
3016 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3017 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3018 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3019 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3020 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3021 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3022 SAMPLES=$samples
3023 EOF
3024
3025 get_version(){
3026 name=$1
3027 file=$source_path/$2
3028 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3029 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3030 lcname=$(tolower $name)
3031 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3032 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3033 }
3034
3035 get_version LIBSWSCALE libswscale/swscale.h
3036 get_version LIBPOSTPROC libpostproc/postprocess.h
3037 get_version LIBAVCODEC libavcodec/avcodec.h
3038 get_version LIBAVDEVICE libavdevice/avdevice.h
3039 get_version LIBAVFORMAT libavformat/avformat.h
3040 get_version LIBAVUTIL libavutil/avutil.h
3041 get_version LIBAVFILTER libavfilter/avfilter.h
3042
3043 enabled asmalign_pot || align_shift="1 <<"
3044
3045 cat > $TMPH <<EOF
3046 /* Automatically generated by configure - do not modify! */
3047 #ifndef FFMPEG_CONFIG_H
3048 #define FFMPEG_CONFIG_H
3049 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3050 #define FFMPEG_LICENSE "$(c_escape $license)"
3051 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3052 #define CC_TYPE "$cc_type"
3053 #define CC_VERSION $cc_version
3054 #define restrict $_restrict
3055 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3056 #define EXTERN_PREFIX "${extern_prefix}"
3057 #define EXTERN_ASM ${extern_prefix}
3058 EOF
3059
3060 test -n "$malloc_prefix" &&
3061 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3062
3063 if enabled small || disabled optimizations; then
3064 echo "#undef av_always_inline" >> $TMPH
3065 echo "#define av_always_inline" >> $TMPH
3066 fi
3067
3068 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3069 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3070 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3071 $CONFIG_EXTRA \
3072 $DECODER_LIST \
3073 $ENCODER_LIST \
3074 $HWACCEL_LIST \
3075 $PARSER_LIST \
3076 $BSF_LIST \
3077 $DEMUXER_LIST \
3078 $MUXER_LIST \
3079 $FILTER_LIST \
3080 $PROTOCOL_LIST \
3081 $INDEV_LIST \
3082 $OUTDEV_LIST \
3083
3084 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3085 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3086
3087 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3088 cp_if_changed $TMPH config.h
3089
3090 cat > $TMPH <<EOF
3091 /* Generated by ffconf */
3092 #ifndef AVUTIL_AVCONFIG_H
3093 #define AVUTIL_AVCONFIG_H
3094 EOF
3095
3096 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3097
3098 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3099
3100 cp_if_changed $TMPH libavutil/avconfig.h
3101
3102 # build pkg-config files
3103
3104 pkgconfig_generate(){
3105 name=$1
3106 shortname=${name#lib}${build_suffix}
3107 comment=$2
3108 version=$3
3109 libs=$4
3110 requires=$5
3111 cat <<EOF > $name/$name.pc
3112 prefix=$prefix
3113 exec_prefix=\${prefix}
3114 libdir=$libdir
3115 includedir=$incdir
3116
3117 Name: $name
3118 Description: $comment
3119 Version: $version
3120 Requires: $(enabled shared || echo $requires)
3121 Requires.private: $(enabled shared && echo $requires)
3122 Conflicts:
3123 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3124 Libs.private: $(enabled shared && echo $libs)
3125 Cflags: -I\${includedir}
3126 EOF
3127 cat <<EOF > $name/$name-uninstalled.pc
3128 prefix=
3129 exec_prefix=
3130 libdir=\${pcfiledir}
3131 includedir=${source_path}
3132
3133 Name: $name
3134 Description: $comment
3135 Version: $version
3136 Requires: $requires
3137 Conflicts:
3138 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3139 Cflags: -I\${includedir}
3140 EOF
3141 }
3142
3143 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3144 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3145 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3146 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3147 enabled avfilter &&
3148 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3149 enabled postproc &&
3150 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3151 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"