Add entry for AVFilterPicRef interlaced and top_field_first fields
[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 --disable-avfilter disable 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 avfilter
1472 enable avformat
1473 enable avutil
1474 enable asm
1475 enable debug
1476 enable doc
1477 enable fastdiv
1478 enable ffmpeg
1479 enable ffplay
1480 enable ffprobe
1481 enable ffserver
1482 enable mpegaudio_hp
1483 enable network
1484 enable optimizations
1485 enable protocols
1486 enable static
1487 enable stripping
1488 enable swscale
1489 enable swscale_alpha
1490
1491 # build settings
1492 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1493 FFSERVERLDFLAGS=-Wl,-E
1494 LIBPREF="lib"
1495 LIBSUF=".a"
1496 FULLNAME='$(NAME)$(BUILDSUF)'
1497 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1498 SLIBPREF="lib"
1499 SLIBSUF=".so"
1500 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1501 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1502 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1503 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1504
1505 CC_O='-o $@'
1506
1507 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1508 host_libs='-lm'
1509
1510 target_path='$(CURDIR)'
1511
1512 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1513 # full relative path for objects in subdirectories for non-recursive Make.
1514 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1515 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1516
1517 # find source path
1518 source_path="$(dirname "$0")"
1519 enable source_path_used
1520 if test -f configure; then
1521 source_path="$(pwd)"
1522 disable source_path_used
1523 else
1524 source_path="$(cd "$source_path"; pwd)"
1525 echo "$source_path" | grep -q '[[:blank:]]' &&
1526 die "Out of tree builds are impossible with whitespace in source path."
1527 test -e "$source_path/config.h" &&
1528 die "Out of tree builds are impossible with config.h in source dir."
1529 fi
1530
1531 for v in "$@"; do
1532 r=${v#*=}
1533 l=${v%"$r"}
1534 r=$(sh_quote "$r")
1535 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1536 done
1537
1538 find_things(){
1539 thing=$1
1540 pattern=$2
1541 file=$source_path/$3
1542 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1543 }
1544
1545 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1546 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1547 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1548 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1549 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1550 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1551 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1552 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1553 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1554 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1555 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1556
1557 for n in $COMPONENT_LIST; do
1558 v=$(toupper ${n%s})_LIST
1559 eval enable \$$v
1560 eval ${n}_if_any="\$$v"
1561 done
1562
1563 enable $ARCH_EXT_LIST
1564
1565 die_unknown(){
1566 echo "Unknown option \"$1\"."
1567 echo "See $0 --help for available options."
1568 exit 1
1569 }
1570
1571 show_list() {
1572 suffix=_$1
1573 shift
1574 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1575 exit 0
1576 }
1577
1578 for opt do
1579 optval="${opt#*=}"
1580 case "$opt" in
1581 --extra-ldflags=*) add_ldflags $optval
1582 ;;
1583 --extra-libs=*) add_extralibs $optval
1584 ;;
1585 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1586 ;;
1587 --enable-debug=*) debuglevel="$optval"
1588 ;;
1589 --disable-everything)
1590 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1591 ;;
1592 --enable-*=*|--disable-*=*)
1593 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1594 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1595 eval list=\$$(toupper $thing)_LIST
1596 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1597 $action $(filter "$name" $list)
1598 ;;
1599 --enable-?*|--disable-?*)
1600 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1601 if is_in $option $COMPONENT_LIST; then
1602 test $action = disable && action=unset
1603 eval $action \$$(toupper ${option%s})_LIST
1604 elif is_in $option $CMDLINE_SELECT; then
1605 $action $option
1606 else
1607 die_unknown $opt
1608 fi
1609 ;;
1610 --list-*)
1611 NAME="${opt#--list-}"
1612 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1613 NAME=${NAME%s}
1614 eval show_list $NAME \$$(toupper $NAME)_LIST
1615 ;;
1616 --help|-h) show_help
1617 ;;
1618 *)
1619 optname="${opt%%=*}"
1620 optname="${optname#--}"
1621 optname=$(echo "$optname" | sed 's/-/_/g')
1622 if is_in $optname $CMDLINE_SET; then
1623 eval $optname='$optval'
1624 elif is_in $optname $CMDLINE_APPEND; then
1625 append $optname "$optval"
1626 else
1627 die_unknown $opt
1628 fi
1629 ;;
1630 esac
1631 done
1632
1633 disabled logging && logfile=/dev/null
1634
1635 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1636 set >> $logfile
1637
1638 test -n "$cross_prefix" && enable cross_compile
1639
1640 if enabled cross_compile; then
1641 test -n "$arch" && test -n "$target_os" ||
1642 die "Must specify target arch and OS when cross-compiling"
1643 fi
1644
1645 set_default arch target_os
1646
1647 ar_default="${cross_prefix}${ar_default}"
1648 cc_default="${cross_prefix}${cc_default}"
1649 nm_default="${cross_prefix}${nm_default}"
1650 ranlib="${cross_prefix}${ranlib}"
1651 strip_default="${cross_prefix}${strip_default}"
1652
1653 sysinclude_default="${sysroot}/usr/include"
1654
1655 set_default cc nm strip sysinclude
1656 enabled cross_compile || host_cc_default=$cc
1657 set_default host_cc
1658
1659 exesuf() {
1660 case $1 in
1661 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1662 esac
1663 }
1664
1665 EXESUF=$(exesuf $target_os)
1666 HOSTEXESUF=$(exesuf $host_os)
1667
1668 # set temporary file name
1669 : ${TMPDIR:=$TEMPDIR}
1670 : ${TMPDIR:=$TMP}
1671 : ${TMPDIR:=/tmp}
1672
1673 if ! check_cmd type mktemp; then
1674 # simple replacement for missing mktemp
1675 # NOT SAFE FOR GENERAL USE
1676 mktemp(){
1677 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1678 }
1679 fi
1680
1681 tmpfile(){
1682 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1683 (set -C; exec > $tmp) 2>/dev/null ||
1684 die "Unable to create temporary file in $TMPDIR."
1685 append TMPFILES $tmp
1686 eval $1=$tmp
1687 }
1688
1689 trap 'rm -f -- $TMPFILES' EXIT
1690 trap exit HUP INT TERM
1691
1692 tmpfile TMPC .c
1693 tmpfile TMPE $EXESUF
1694 tmpfile TMPH .h
1695 tmpfile TMPO .o
1696 tmpfile TMPS .S
1697 tmpfile TMPV .ver
1698 tmpfile TMPSH .sh
1699
1700 unset -f mktemp
1701
1702 # make sure we can execute files in $TMPDIR
1703 cat > $TMPSH 2>> $logfile <<EOF
1704 #! /bin/sh
1705 EOF
1706 chmod +x $TMPSH >> $logfile 2>&1
1707 if ! $TMPSH >> $logfile 2>&1; then
1708 cat <<EOF
1709 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1710 variable to another directory and make sure that it is not mounted noexec.
1711 EOF
1712 die "Sanity test failed."
1713 fi
1714
1715 filter_cflags=echo
1716 filter_cppflags=echo
1717 filter_asflags=echo
1718
1719 if $cc -v 2>&1 | grep -qi ^gcc; then
1720 cc_type=gcc
1721 cc_version=__VERSION__
1722 if ! $cc -dumpversion | grep -q '^2\.'; then
1723 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1724 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725 fi
1726 speed_cflags='-O3'
1727 size_cflags='-Os'
1728 elif $cc --version 2>/dev/null | grep -q Intel; then
1729 cc_type=icc
1730 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1731 CC_DEPFLAGS='-MMD'
1732 AS_DEPFLAGS='-MMD'
1733 speed_cflags='-O3'
1734 size_cflags='-Os'
1735 noopt_cflags='-O1'
1736 elif $cc -v 2>&1 | grep -q xlc; then
1737 cc_type=xlc
1738 cc_version="AV_STRINGIFY(__IBMC__)"
1739 speed_cflags='-O5'
1740 size_cflags='-O5 -qcompact'
1741 elif $cc -V 2>/dev/null | grep -q Compaq; then
1742 cc_type=ccc
1743 cc_version="AV_STRINGIFY(__DECC_VER)"
1744 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1745 debuglevel=3
1746 add_ldflags -Wl,-z,now # calls to libots crash without this
1747 speed_cflags='-fast'
1748 size_cflags='-O1'
1749 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1750 test -d "$sysroot" || die "No valid sysroot specified."
1751 cc_type=armcc
1752 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1753 armcc_conf="$PWD/armcc.conf"
1754 $cc --arm_linux_configure \
1755 --arm_linux_config_file="$armcc_conf" \
1756 --configure_sysroot="$sysroot" \
1757 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1758 die "Error creating armcc configuration file."
1759 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1760 as_default="${cross_prefix}gcc"
1761 CC_DEPFLAGS='-MMD'
1762 AS_DEPFLAGS='-MMD'
1763 speed_cflags='-O3'
1764 size_cflags='-Os'
1765 elif $cc -version 2>/dev/null | grep -q TMS470; then
1766 cc_type=tms470
1767 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1768 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1769 CC_O='-fr=$(@D)'
1770 as_default="${cross_prefix}gcc"
1771 ld_default="${cross_prefix}gcc"
1772 TMPO=$(basename $TMPC .c).o
1773 append TMPFILES $TMPO
1774 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1775 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1776 AS_DEPFLAGS='-MMD'
1777 speed_cflags='-O3 -mf=5'
1778 size_cflags='-O3 -mf=2'
1779 filter_cflags=tms470_flags
1780 tms470_flags(){
1781 for flag; do
1782 case $flag in
1783 -march=*|-mcpu=*)
1784 case "${flag#*=}" in
1785 armv7-a|cortex-a*) echo -mv=7a8 ;;
1786 armv7-r|cortex-r*) echo -mv=7r4 ;;
1787 armv7-m|cortex-m*) echo -mv=7m3 ;;
1788 armv6*|arm11*) echo -mv=6 ;;
1789 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1790 echo -mv=5e ;;
1791 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1792 esac
1793 ;;
1794 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1795 -mfpu=vfp) echo --float_support=vfpv2 ;;
1796 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1797 -msoft-float) echo --float_support=vfplib ;;
1798 -O[0-3]|-mf=*) echo $flag ;;
1799 -g) echo -g -mn ;;
1800 -pds=*) echo $flag ;;
1801 esac
1802 done
1803 }
1804 elif $cc -v 2>&1 | grep -q clang; then
1805 cc_type=clang
1806 cc_version=__VERSION__
1807 CC_DEPFLAGS='-MMD'
1808 AS_DEPFLAGS='-MMD'
1809 speed_cflags='-O3'
1810 size_cflags='-Os'
1811 elif $cc -V 2>&1 | grep -q Sun; then
1812 cc_type=suncc
1813 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1814 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1815 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1816 speed_cflags='-O5'
1817 size_cflags='-O5 -xspace'
1818 filter_cflags=suncc_flags
1819 suncc_flags(){
1820 for flag; do
1821 case $flag in
1822 -march=*|-mcpu=*)
1823 case "${flag#*=}" in
1824 native) echo -xtarget=native ;;
1825 v9|niagara) echo -xarch=sparc ;;
1826 ultrasparc) echo -xarch=sparcvis ;;
1827 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1828 i586|pentium) echo -xchip=pentium ;;
1829 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1830 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1831 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1832 pentium4*) echo -xtarget=pentium4 ;;
1833 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1834 *-sse3) echo -xarch=sse3 ;;
1835 core2) echo -xarch=ssse3 -xchip=core2 ;;
1836 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1837 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1838 k8|opteron|athlon64|athlon-fx)
1839 echo -xarch=sse2a ;;
1840 athlon*) echo -xarch=pentium_proa ;;
1841 esac
1842 ;;
1843 -std=c99) echo -xc99 ;;
1844 -fomit-frame-pointer) echo -xregs=frameptr ;;
1845 -fPIC) echo -KPIC -xcode=pic32 ;;
1846 -W*,*) echo $flag ;;
1847 -f*-*|-W*) ;;
1848 *) echo $flag ;;
1849 esac
1850 done
1851 }
1852 fi
1853
1854 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1855
1856 : ${as_default:=$cc}
1857 : ${dep_cc_default:=$cc}
1858 : ${ld_default:=$cc}
1859 set_default ar as dep_cc ld
1860
1861 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1862 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1863
1864 add_cflags $extra_cflags
1865 add_asflags $extra_cflags
1866
1867 if test -n "$sysroot"; then
1868 case "$cc_type" in
1869 gcc)
1870 add_cppflags --sysroot="$sysroot"
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
1873 tms470)
1874 add_cppflags -I"$sysinclude"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
1877 clang)
1878 add_cppflags -isysroot "$sysroot"
1879 add_ldflags -isysroot "$sysroot"
1880 ;;
1881 esac
1882 fi
1883
1884 if test "$cpu" = host; then
1885 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1886
1887 case "$cc_type" in
1888 gcc)
1889 check_native(){
1890 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1891 sed -n "/$1=/{
1892 s/.*$1=\\([^ ]*\\).*/\\1/
1893 p
1894 q
1895 }" $TMPE
1896 }
1897 cpu=$(check_native -march || check_native -mcpu)
1898 ;;
1899 esac
1900
1901 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1902 fi
1903
1904 # Deal with common $arch aliases
1905 case "$arch" in
1906 arm*)
1907 arch="arm"
1908 ;;
1909 mips|mipsel|IP*)
1910 arch="mips"
1911 ;;
1912 mips64*)
1913 arch="mips"
1914 subarch="mips64"
1915 ;;
1916 parisc|hppa)
1917 arch="parisc"
1918 ;;
1919 parisc64|hppa64)
1920 arch="parisc"
1921 subarch="parisc64"
1922 ;;
1923 "Power Macintosh"|ppc|powerpc)
1924 arch="ppc"
1925 ;;
1926 ppc64|powerpc64)
1927 arch="ppc"
1928 subarch="ppc64"
1929 ;;
1930 s390|s390x)
1931 arch="s390"
1932 ;;
1933 sh4|sh)
1934 arch="sh4"
1935 ;;
1936 sun4u|sparc64)
1937 arch="sparc"
1938 subarch="sparc64"
1939 ;;
1940 i[3-6]86|i86pc|BePC|x86_64|amd64)
1941 arch="x86"
1942 ;;
1943 esac
1944
1945 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1946 enable $arch
1947
1948 # Add processor-specific flags
1949 if test "$cpu" = generic; then
1950 : do nothing
1951 elif enabled ppc; then
1952
1953 case $(tolower $cpu) in
1954 601|ppc601|powerpc601)
1955 cpuflags="-mcpu=601"
1956 disable altivec
1957 ;;
1958 603*|ppc603*|powerpc603*)
1959 cpuflags="-mcpu=603"
1960 disable altivec
1961 ;;
1962 604*|ppc604*|powerpc604*)
1963 cpuflags="-mcpu=604"
1964 disable altivec
1965 ;;
1966 g3|75*|ppc75*|powerpc75*)
1967 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1968 disable altivec
1969 ;;
1970 g4|745*|ppc745*|powerpc745*)
1971 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1972 ;;
1973 74*|ppc74*|powerpc74*)
1974 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1975 ;;
1976 g5|970|ppc970|powerpc970|power4*)
1977 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1978 ;;
1979 cell)
1980 cpuflags="-mcpu=cell"
1981 enable ldbrx
1982 ;;
1983 e500v2)
1984 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1985 disable altivec
1986 ;;
1987 e500)
1988 cpuflags="-mcpu=8540 -mhard-float"
1989 disable altivec
1990 ;;
1991 esac
1992
1993 elif enabled x86; then
1994
1995 case $cpu in
1996 i[345]86|pentium)
1997 cpuflags="-march=$cpu"
1998 disable mmx
1999 ;;
2000 # targets that do NOT support conditional mov (cmov)
2001 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2002 cpuflags="-march=$cpu"
2003 disable cmov
2004 ;;
2005 # targets that do support conditional mov (cmov)
2006 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2007 cpuflags="-march=$cpu"
2008 enable cmov
2009 enable fast_cmov
2010 ;;
2011 # targets that do support conditional mov but on which it's slow
2012 pentium4|pentium4m|prescott|nocona)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 disable fast_cmov
2016 ;;
2017 esac
2018
2019 elif enabled sparc; then
2020
2021 case $cpu in
2022 niagara)
2023 cpuflags="-mcpu=$cpu"
2024 disable vis
2025 ;;
2026 sparc64)
2027 cpuflags="-mcpu=v9"
2028 ;;
2029 esac
2030
2031 elif enabled arm; then
2032
2033 case $cpu in
2034 armv*)
2035 cpuflags="-march=$cpu"
2036 ;;
2037 *)
2038 cpuflags="-mcpu=$cpu"
2039 ;;
2040 esac
2041
2042 elif enabled alpha; then
2043
2044 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2045
2046 elif enabled bfin; then
2047
2048 cpuflags="-mcpu=$cpu"
2049
2050 elif enabled mips; then
2051
2052 cpuflags="-march=$cpu"
2053
2054 elif enabled avr32; then
2055
2056 case $cpu in
2057 ap7[02]0[0-2])
2058 subarch="avr32_ap"
2059 cpuflags="-mpart=$cpu"
2060 ;;
2061 ap)
2062 subarch="avr32_ap"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 uc3[ab]*)
2066 subarch="avr32_uc"
2067 cpuflags="-mcpu=$cpu"
2068 ;;
2069 uc)
2070 subarch="avr32_uc"
2071 cpuflags="-march=$cpu"
2072 ;;
2073 esac
2074
2075 fi
2076
2077 add_cflags $cpuflags
2078 add_asflags $cpuflags
2079
2080 # compiler sanity check
2081 check_exec <<EOF
2082 int main(void){ return 0; }
2083 EOF
2084 if test "$?" != 0; then
2085 echo "$cc is unable to create an executable file."
2086 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2087 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2088 echo "Only do this if you know what cross compiling means."
2089 fi
2090 die "C compiler test failed."
2091 fi
2092
2093 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2094 check_cflags -std=c99
2095 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2096 #include <stdlib.h>
2097 EOF
2098 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2099 #include <stdlib.h>
2100 EOF
2101
2102 check_host_cflags -std=c99
2103
2104 case "$arch" in
2105 alpha|ia64|mips|parisc|sparc)
2106 spic=$shared
2107 ;;
2108 x86)
2109 subarch="x86_32"
2110 check_cc <<EOF && subarch="x86_64"
2111 int test[(int)sizeof(char*) - 7];
2112 EOF
2113 if test "$subarch" = "x86_64"; then
2114 spic=$shared
2115 fi
2116 ;;
2117 esac
2118
2119 enable $subarch
2120 enabled spic && enable pic
2121
2122 # OS specific
2123 case $target_os in
2124 beos|haiku|zeta)
2125 prefix_default="$HOME/config"
2126 # 3 gcc releases known for BeOS, each with ugly bugs
2127 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2128 case "$gcc_version" in
2129 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2130 disable mmx
2131 ;;
2132 *20010315*) echo "BeBits gcc"
2133 add_cflags -fno-expensive-optimizations
2134 ;;
2135 esac
2136 SHFLAGS=-nostart
2137 # enable BeOS things
2138 enable audio_beos
2139 # no need for libm, but the inet stuff
2140 # Check for BONE
2141 # XXX: actually should check for NOT net_server
2142 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2143 network_extralibs="-lbind -lsocket"
2144 else
2145 enable beos_netserver
2146 network_extralibs="-lnet"
2147 fi ;;
2148 sunos)
2149 FFSERVERLDFLAGS=""
2150 SHFLAGS='-shared -Wl,-h,$$(@F)'
2151 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2152 network_extralibs="-lsocket -lnsl"
2153 add_cppflags -D__EXTENSIONS__
2154 nm_opts='-P -g'
2155 ;;
2156 netbsd)
2157 oss_indev_extralibs="-lossaudio"
2158 oss_outdev_extralibs="-lossaudio"
2159 add_cppflags -D_XOPEN_SOURCE=600
2160 ;;
2161 openbsd)
2162 enable malloc_aligned
2163 # On OpenBSD 4.5. the compiler does not use PIC unless
2164 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2165 # however the generated executable will not do anything
2166 # (simply quits with exit-code 1, no crash, no output).
2167 # Thus explicitly enable PIC here.
2168 enable pic
2169 SHFLAGS='-shared'
2170 oss_indev_extralibs="-lossaudio"
2171 oss_outdev_extralibs="-lossaudio"
2172 ;;
2173 freebsd|dragonfly)
2174 enable malloc_aligned
2175 ;;
2176 bsd/os)
2177 osextralibs="-lpoll -lgnugetopt"
2178 strip="strip -d"
2179 ;;
2180 darwin)
2181 enable malloc_aligned
2182 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2183 strip="strip -x"
2184 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2185 SLIBSUF=".dylib"
2186 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2187 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2188 FFSERVERLDFLAGS=-Wl,-bind_at_load
2189 objformat="macho"
2190 enabled x86_64 && objformat="macho64"
2191 enabled_any pic shared ||
2192 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2193 ;;
2194 mingw32*)
2195 if test $target_os = "mingw32ce"; then
2196 disable network
2197 else
2198 target_os=mingw32
2199 fi
2200 LIBTARGET=i386
2201 if enabled x86_64; then
2202 enable malloc_aligned
2203 LIBTARGET=x64
2204 elif enabled arm; then
2205 LIBTARGET=arm
2206 fi
2207 shlibdir_default="$bindir_default"
2208 disable ffserver
2209 SLIBPREF=""
2210 SLIBSUF=".dll"
2211 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2212 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2213 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2214 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2215 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2216 install -d "$(LIBDIR)"; \
2217 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2218 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2219 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2220 objformat="win32"
2221 enable dos_paths
2222 check_cflags -fno-common
2223 if ! enabled x86_64; then
2224 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2225 die "ERROR: MinGW runtime version must be >= 3.15."
2226 enabled_any avisynth vfwcap_indev &&
2227 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2228 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2229 fi
2230 ;;
2231 cygwin*)
2232 target_os=cygwin
2233 shlibdir_default="$bindir_default"
2234 SLIBPREF="cyg"
2235 SLIBSUF=".dll"
2236 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2237 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2238 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2239 objformat="win32"
2240 enable dos_paths
2241 check_cflags -fno-common
2242 ;;
2243 *-dos|freedos|opendos)
2244 disable ffplay ffserver
2245 disable $INDEV_LIST $OUTDEV_LIST
2246 network_extralibs="-lsocket"
2247 objformat="coff"
2248 enable dos_paths
2249 ;;
2250 linux)
2251 enable dv1394
2252 ;;
2253 irix*)
2254 target_os=irix
2255 ranlib="echo ignoring ranlib"
2256 ;;
2257 os/2*)
2258 strip="lxlite"
2259 ln_s="cp -f"
2260 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2261 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2262 FFSERVERLDFLAGS=""
2263 LIBSUF="_s.a"
2264 SLIBPREF=""
2265 SLIBSUF=".dll"
2266 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2267 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2268 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2269 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2270 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2271 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2272 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2273 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2274 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2275 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2276 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2277 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2278 enable dos_paths
2279 ;;
2280 gnu/kfreebsd)
2281 ;;
2282 gnu)
2283 ;;
2284 none)
2285 ;;
2286 *)
2287 die "Unknown OS '$target_os'."
2288 ;;
2289 esac
2290
2291 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2292
2293 set_default $PATHS_LIST
2294
2295 add_extralibs $osextralibs
2296
2297 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2298 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2299
2300 # we need to build at least one lib type
2301 if ! enabled_any static shared; then
2302 cat <<EOF
2303 At least one library type must be built.
2304 Specify --enable-static to build the static libraries or --enable-shared to
2305 build the shared libraries as well. To only build the shared libraries specify
2306 --disable-static in addition to --enable-shared.
2307 EOF
2308 exit 1;
2309 fi
2310
2311 disabled static && LIBNAME=""
2312
2313 if enabled_any libfaad libfaadbin ; then
2314 if check_header faad.h; then
2315 check_cc <<EOF
2316 #include <faad.h>
2317 #ifndef FAAD2_VERSION
2318 ok faad1
2319 #endif
2320 int main(void) { return 0; }
2321 EOF
2322 test $? = 0 && enable libfaad2
2323 else
2324 die "FAAD test failed."
2325 fi
2326 fi
2327
2328
2329 die_license_disabled() {
2330 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2331 }
2332
2333 die_license_disabled gpl libfaad2
2334 die_license_disabled gpl libx264
2335 die_license_disabled gpl libxvid
2336 die_license_disabled gpl postproc
2337 die_license_disabled gpl x11grab
2338
2339 die_license_disabled nonfree libfaac
2340
2341 die_license_disabled version3 libopencore_amrnb
2342 die_license_disabled version3 libopencore_amrwb
2343
2344 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2345
2346 check_deps $ARCH_EXT_LIST
2347
2348 disabled optimizations || check_cflags -fomit-frame-pointer
2349
2350 enable_pic() {
2351 enable pic
2352 add_cppflags -DPIC
2353 add_cflags -fPIC
2354 add_asflags -fPIC
2355 }
2356
2357 enabled pic && enable_pic
2358
2359 check_cc <<EOF || die "Symbol mangling check failed."
2360 int ff_extern;
2361 EOF
2362 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2363 extern_prefix=${sym%%ff_extern*}
2364
2365 check_cc <<EOF && enable inline_asm
2366 void foo(void) { __asm__ volatile ("" ::); }
2367 EOF
2368
2369 _restrict=
2370 for restrict_keyword in restrict __restrict__ __restrict; do
2371 check_cc <<EOF && _restrict=$restrict_keyword && break
2372 void foo(char * $restrict_keyword p);
2373 EOF
2374 done
2375
2376 check_cc <<EOF && enable attribute_packed
2377 struct { int x; } __attribute__((packed)) x;
2378 EOF
2379
2380 check_cc <<EOF && enable attribute_may_alias
2381 union { int x; } __attribute__((may_alias)) x;
2382 EOF
2383
2384 check_cc <<EOF || die "endian test failed"
2385 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2386 EOF
2387 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2388
2389 if enabled alpha; then
2390
2391 check_cflags -mieee
2392
2393 elif enabled arm; then
2394
2395 check_cflags -marm
2396
2397 check_ld <<EOF && enable vfp_args
2398 __asm__ (".eabi_attribute 28, 1");
2399 int main(void) { return 0; }
2400 EOF
2401
2402 # We have to check if pld is a nop and disable it.
2403 check_asm pld '"pld [r0]"'
2404
2405 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2406 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2407 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2408 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2409 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2410 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2411
2412 enabled_all armv6t2 shared !pic && enable_pic
2413
2414 elif enabled mips; then
2415
2416 check_asm loongson '"dmult.g $1, $2, $3"'
2417 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2418
2419 elif enabled ppc; then
2420
2421 enable local_aligned_8 local_aligned_16
2422
2423 check_asm dcbzl '"dcbzl 0, 1"'
2424 check_asm ppc4xx '"maclhw r10, r11, r12"'
2425 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2426
2427 # AltiVec flags: The FSF version of GCC differs from the Apple version
2428 if enabled altivec; then
2429 check_cflags -maltivec -mabi=altivec &&
2430 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2431 check_cflags -faltivec
2432
2433 # check if our compiler supports Motorola AltiVec C API
2434 check_cc <<EOF || disable altivec
2435 $inc_altivec_h
2436 int main(void) {
2437 vector signed int v1, v2, v3;
2438 v1 = vec_add(v2,v3);
2439 return 0;
2440 }
2441 EOF
2442
2443 # check if our compiler supports braces for vector declarations
2444 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2445 $inc_altivec_h
2446 int main (void) { (vector int) {1}; return 0; }
2447 EOF
2448 fi
2449
2450 elif enabled sparc; then
2451
2452 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2453 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2454
2455 elif enabled x86; then
2456
2457 enable local_aligned_8 local_aligned_16
2458
2459 # check whether EBP is available on x86
2460 # As 'i' is stored on the stack, this program will crash
2461 # if the base pointer is used to access it because the
2462 # base pointer is cleared in the inline assembly code.
2463 check_exec_crash <<EOF && enable ebp_available
2464 volatile int i=0;
2465 __asm__ volatile (
2466 "xorl %%ebp, %%ebp"
2467 ::: "%ebp");
2468 return i;
2469 EOF
2470
2471 # check whether EBX is available on x86
2472 check_asm ebx_available '""::"b"(0)' &&
2473 check_asm ebx_available '"":::"%ebx"'
2474
2475 # check whether more than 10 operands are supported
2476 check_cc <<EOF && enable ten_operands
2477 int main(void) {
2478 int x=0;
2479 __asm__ volatile(
2480 ""
2481 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2482 );
2483 return 0;
2484 }
2485 EOF
2486
2487 # check whether binutils is new enough to compile SSSE3/MMX2
2488 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2489 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2490
2491 check_asm bswap '"bswap %%eax" ::: "%eax"'
2492
2493 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2494 enabled x86_64 && append YASMFLAGS "-m amd64"
2495 enabled pic && append YASMFLAGS "-DPIC"
2496 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2497 case "$objformat" in
2498 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2499 esac
2500 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2501
2502 case "$cpu" in
2503 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2504 disable fast_clz
2505 ;;
2506 esac
2507
2508 fi
2509
2510 if check_func dlopen; then
2511 ldl=
2512 elif check_func dlopen -ldl; then
2513 ldl=-ldl
2514 fi
2515
2516 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2517 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2518
2519 check_func fork
2520 check_func getaddrinfo $network_extralibs
2521 check_func gethrtime
2522 check_func getrusage
2523 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2524 check_func inet_aton $network_extralibs
2525 check_func isatty
2526 check_func ${malloc_prefix}memalign && enable memalign
2527 check_func mkstemp
2528 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2529 check_func setrlimit
2530 check_func strerror_r
2531 check_func_headers io.h setmode
2532 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2533 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2534 check_func_headers windows.h GetProcessTimes
2535 check_func_headers windows.h VirtualAlloc
2536
2537 check_header conio.h
2538 check_header dlfcn.h
2539 check_header dxva2api.h
2540 check_header malloc.h
2541 check_header poll.h
2542 check_header sys/mman.h
2543 check_header sys/resource.h
2544 check_header sys/select.h
2545 check_header termios.h
2546 check_header vdpau/vdpau.h
2547 check_header vdpau/vdpau_x11.h
2548 check_header X11/extensions/XvMClib.h
2549
2550 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2551
2552 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2553 enabled_any $need_memalign ; then
2554 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2555 fi
2556
2557 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2558 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2559
2560 # check for some common methods of building with pthread support
2561 # do this before the optional library checks as some of them require pthreads
2562 if enabled pthreads; then
2563 if check_func pthread_create; then
2564 :
2565 elif check_func pthread_create -pthread; then
2566 add_cflags -pthread
2567 add_extralibs -pthread
2568 elif check_func pthread_create -pthreads; then
2569 add_cflags -pthreads
2570 add_extralibs -pthreads
2571 elif check_func pthread_create -lpthreadGC2; then
2572 add_extralibs -lpthreadGC2
2573 elif ! check_lib pthread.h pthread_create -lpthread; then
2574 die "ERROR: can't find pthreads library"
2575 fi
2576 fi
2577
2578 for thread in $THREADS_LIST; do
2579 if enabled $thread; then
2580 test -n "$thread_type" &&
2581 die "ERROR: Only one thread type must be selected." ||
2582 thread_type="$thread"
2583 fi
2584 done
2585
2586 check_lib math.h sin -lm
2587 check_lib va/va.h vaInitialize -lva
2588
2589 check_mathfunc exp2
2590 check_mathfunc exp2f
2591 check_mathfunc llrint
2592 check_mathfunc llrintf
2593 check_mathfunc log2
2594 check_mathfunc log2f
2595 check_mathfunc lrint
2596 check_mathfunc lrintf
2597 check_mathfunc round
2598 check_mathfunc roundf
2599 check_mathfunc truncf
2600
2601 # these are off by default, so fail if requested and not available
2602 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2603 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2604 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2605 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2606 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2607 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2608 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2609 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2610 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2611 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2612 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2613 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2614 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2615 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2616 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2617 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2618 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2619 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2620 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2621 { check_cpp_condition x264.h "X264_BUILD >= 90" ||
2622 die "ERROR: libx264 version must be >= 0.90."; }
2623 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2624 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2625
2626 # libdc1394 check
2627 if enabled libdc1394; then
2628 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2629 enable libdc1394_2; } ||
2630 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2631 enable libdc1394_1; } ||
2632 die "ERROR: No version of libdc1394 found "
2633 fi
2634
2635 SDL_CONFIG="${cross_prefix}sdl-config"
2636 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2637 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2638 sdl_libs=$("${SDL_CONFIG}" --libs)
2639 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2640 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2641 enable sdl &&
2642 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2643 fi
2644
2645 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2646
2647 if enabled network; then
2648 check_type "sys/types.h sys/socket.h" socklen_t
2649 check_type netdb.h "struct addrinfo"
2650 check_type netinet/in.h "struct ipv6_mreq"
2651 check_type netinet/in.h "struct sockaddr_in6"
2652 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2653 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2654 # Prefer arpa/inet.h over winsock2
2655 if check_header arpa/inet.h ; then
2656 check_func closesocket
2657 elif check_header winsock2.h ; then
2658 check_func_headers winsock2.h closesocket -lws2 && \
2659 network_extralibs="-lws2" || \
2660 { check_func_headers winsock2.h closesocket -lws2_32 && \
2661 network_extralibs="-lws2_32"; }
2662 check_type ws2tcpip.h socklen_t
2663 check_type ws2tcpip.h "struct addrinfo"
2664 check_type ws2tcpip.h "struct ipv6_mreq"
2665 check_type ws2tcpip.h "struct sockaddr_in6"
2666 check_type ws2tcpip.h "struct sockaddr_storage"
2667 check_struct winsock2.h "struct sockaddr" sa_len
2668 else
2669 disable network
2670 fi
2671 fi
2672
2673 check_header linux/videodev.h
2674 check_header linux/videodev2.h
2675 check_header sys/videoio.h
2676
2677 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2678
2679 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2680 { check_header dev/bktr/ioctl_meteor.h &&
2681 check_header dev/bktr/ioctl_bt848.h; } ||
2682 { check_header machine/ioctl_meteor.h &&
2683 check_header machine/ioctl_bt848.h; } ||
2684 { check_header dev/video/meteor/ioctl_meteor.h &&
2685 check_header dev/video/bktr/ioctl_bt848.h; } ||
2686 check_header dev/ic/bt8xx.h
2687
2688 check_header sys/soundcard.h
2689 check_header soundcard.h
2690
2691 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2692
2693 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2694
2695 enabled x11grab &&
2696 check_header X11/Xlib.h &&
2697 check_header X11/extensions/XShm.h &&
2698 check_header X11/extensions/Xfixes.h &&
2699 check_func XOpenDisplay -lX11 &&
2700 check_func XShmCreateImage -lX11 -lXext &&
2701 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2702
2703 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2704 check_cpp_condition \
2705 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2706 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2707 disable vdpau; }
2708 fi
2709
2710 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2711
2712 # add some useful compiler flags if supported
2713 check_cflags -Wdeclaration-after-statement
2714 check_cflags -Wall
2715 check_cflags -Wno-switch
2716 check_cflags -Wdisabled-optimization
2717 check_cflags -Wpointer-arith
2718 check_cflags -Wredundant-decls
2719 check_cflags -Wno-pointer-sign
2720 check_cflags -Wcast-qual
2721 check_cflags -Wwrite-strings
2722 check_cflags -Wtype-limits
2723 check_cflags -Wundef
2724 check_cflags -Wmissing-prototypes
2725 enabled extra_warnings && check_cflags -Winline
2726
2727 # add some linker flags
2728 check_ldflags -Wl,--warn-common
2729 check_ldflags -Wl,--as-needed
2730 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'
2731 check_ldflags -Wl,-Bsymbolic
2732
2733 echo "X{};" > $TMPV
2734 test_ldflags -Wl,--version-script,$TMPV &&
2735 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2736
2737 if enabled small; then
2738 add_cflags $size_cflags
2739 optimizations="small"
2740 elif enabled optimizations; then
2741 add_cflags $speed_cflags
2742 else
2743 add_cflags $noopt_cflags
2744 fi
2745 check_cflags -fno-math-errno
2746 check_cflags -fno-signed-zeros
2747
2748 if enabled icc; then
2749 # Just warnings, no remarks
2750 check_cflags -w1
2751 # -wd: Disable following warnings
2752 # 144, 167, 556: -Wno-pointer-sign
2753 # 10006: ignoring unknown option -fno-signed-zeros
2754 # 10156: ignoring option '-W'; no argument required
2755 check_cflags -wd144,167,556,10006,10156
2756 # 11030: Warning unknown option --as-needed
2757 # 10156: ignoring option '-export'; no argument required
2758 check_ldflags -wd10156,11030
2759 # Allow to compile with optimizations
2760 check_ldflags -march=$cpu
2761 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2762 enable ebp_available
2763 elif enabled ccc; then
2764 # disable some annoying warnings
2765 add_cflags -msg_disable cvtu32to64
2766 add_cflags -msg_disable embedcomment
2767 add_cflags -msg_disable needconstext
2768 add_cflags -msg_disable nomainieee
2769 add_cflags -msg_disable ptrmismatch1
2770 add_cflags -msg_disable unreachcode
2771 elif enabled gcc; then
2772 check_cflags -fno-tree-vectorize
2773 check_cflags -Werror=implicit
2774 check_cflags -Werror=missing-prototypes
2775 elif enabled clang; then
2776 check_cflags -Qunused-arguments
2777 elif enabled armcc; then
2778 # 2523: use of inline assembler is deprecated
2779 add_cflags -Wrvct,--diag_suppress=2523
2780 add_cflags -Wrvct,--diag_suppress=1207
2781 elif enabled tms470; then
2782 add_cflags -pds=824 -pds=837
2783 fi
2784
2785 if enabled gprof; then
2786 add_cflags -p
2787 add_ldflags -p
2788 fi
2789
2790 # Find out if the .align argument is a power of two or not.
2791 check_asm asmalign_pot '".align 3"'
2792
2793 enabled_any $THREADS_LIST && enable threads
2794
2795 check_deps $CONFIG_LIST \
2796 $CONFIG_EXTRA \
2797 $HAVE_LIST \
2798 $DECODER_LIST \
2799 $ENCODER_LIST \
2800 $HWACCEL_LIST \
2801 $PARSER_LIST \
2802 $BSF_LIST \
2803 $DEMUXER_LIST \
2804 $MUXER_LIST \
2805 $FILTER_LIST \
2806 $INDEV_LIST \
2807 $OUTDEV_LIST \
2808 $PROTOCOL_LIST \
2809
2810 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2811
2812 echo "install prefix $prefix"
2813 echo "source path $source_path"
2814 echo "C compiler $cc"
2815 echo ".align is power-of-two $asmalign_pot"
2816 echo "ARCH $arch ($cpu)"
2817 if test "$build_suffix" != ""; then
2818 echo "build suffix $build_suffix"
2819 fi
2820 if test "$extra_version" != ""; then
2821 echo "version string suffix $extra_version"
2822 fi
2823 echo "big-endian ${bigendian-no}"
2824 echo "runtime cpu detection ${runtime_cpudetect-no}"
2825 if enabled x86; then
2826 echo "yasm ${yasm-no}"
2827 echo "MMX enabled ${mmx-no}"
2828 echo "MMX2 enabled ${mmx2-no}"
2829 echo "3DNow! enabled ${amd3dnow-no}"
2830 echo "3DNow! extended enabled ${amd3dnowext-no}"
2831 echo "SSE enabled ${sse-no}"
2832 echo "SSSE3 enabled ${ssse3-no}"
2833 echo "CMOV enabled ${cmov-no}"
2834 echo "CMOV is fast ${fast_cmov-no}"
2835 echo "EBX available ${ebx_available-no}"
2836 echo "EBP available ${ebp_available-no}"
2837 echo "10 operands supported ${ten_operands-no}"
2838 fi
2839 if enabled arm; then
2840 echo "ARMv5TE enabled ${armv5te-no}"
2841 echo "ARMv6 enabled ${armv6-no}"
2842 echo "ARMv6T2 enabled ${armv6t2-no}"
2843 echo "ARM VFP enabled ${armvfp-no}"
2844 echo "IWMMXT enabled ${iwmmxt-no}"
2845 echo "NEON enabled ${neon-no}"
2846 fi
2847 if enabled mips; then
2848 echo "MMI enabled ${mmi-no}"
2849 fi
2850 if enabled ppc; then
2851 echo "AltiVec enabled ${altivec-no}"
2852 echo "PPC 4xx optimizations ${ppc4xx-no}"
2853 echo "dcbzl available ${dcbzl-no}"
2854 echo "performance report ${powerpc_perf-no}"
2855 fi
2856 if enabled sparc; then
2857 echo "VIS enabled ${vis-no}"
2858 fi
2859 echo "gprof enabled ${gprof-no}"
2860 echo "debug symbols ${debug-no}"
2861 echo "strip symbols ${stripping-no}"
2862 echo "optimizations ${optimizations-no}"
2863 echo "static ${static-no}"
2864 echo "shared ${shared-no}"
2865 echo "postprocessing support ${postproc-no}"
2866 echo "new filter support ${avfilter-no}"
2867 echo "filters using lavformat ${avfilter_lavf-no}"
2868 echo "network support ${network-no}"
2869 echo "threading support ${thread_type-no}"
2870 echo "SDL support ${sdl-no}"
2871 echo "Sun medialib support ${mlib-no}"
2872 echo "AVISynth enabled ${avisynth-no}"
2873 echo "libdc1394 support ${libdc1394-no}"
2874 echo "libdirac enabled ${libdirac-no}"
2875 echo "libfaac enabled ${libfaac-no}"
2876 echo "libfaad enabled ${libfaad-no}"
2877 echo "libfaad dlopened ${libfaadbin-no}"
2878 echo "libgsm enabled ${libgsm-no}"
2879 echo "libmp3lame enabled ${libmp3lame-no}"
2880 echo "libnut enabled ${libnut-no}"
2881 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2882 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2883 echo "libopenjpeg enabled ${libopenjpeg-no}"
2884 echo "librtmp enabled ${librtmp-no}"
2885 echo "libschroedinger enabled ${libschroedinger-no}"
2886 echo "libspeex enabled ${libspeex-no}"
2887 echo "libtheora enabled ${libtheora-no}"
2888 echo "libvorbis enabled ${libvorbis-no}"
2889 echo "libx264 enabled ${libx264-no}"
2890 echo "libxvid enabled ${libxvid-no}"
2891 echo "zlib enabled ${zlib-no}"
2892 echo "bzlib enabled ${bzlib-no}"
2893 echo
2894
2895 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2896 echo "Enabled ${type}s:"
2897 eval list=\$$(toupper $type)_LIST
2898 for part in $list; do
2899 enabled $part && echo ${part%_*}
2900 done | sort | pr -3 -t
2901 echo
2902 done
2903
2904 license="LGPL version 2.1 or later"
2905 if enabled nonfree; then
2906 license="nonfree and unredistributable"
2907 elif enabled gplv3; then
2908 license="GPL version 3 or later"
2909 elif enabled lgplv3; then
2910 license="LGPL version 3 or later"
2911 elif enabled gpl; then
2912 license="GPL version 2 or later"
2913 fi
2914
2915 echo "License: $license"
2916
2917 echo "Creating config.mak and config.h..."
2918
2919 # build tree in object directory if source path is different from current one
2920 if enabled source_path_used; then
2921 DIRS="
2922 doc
2923 libavcodec
2924 libavcodec/$arch
2925 libavdevice
2926 libavfilter
2927 libavformat
2928 libavutil
2929 libavutil/$arch
2930 libpostproc
2931 libswscale
2932 libswscale/$arch
2933 tests
2934 tools
2935 "
2936 FILES="
2937 Makefile
2938 common.mak
2939 subdir.mak
2940 doc/texi2pod.pl
2941 libavcodec/Makefile
2942 libavcodec/${arch}/Makefile
2943 libavdevice/Makefile
2944 libavfilter/Makefile
2945 libavformat/Makefile
2946 libavutil/Makefile
2947 libpostproc/Makefile
2948 libswscale/Makefile
2949 "
2950 map 'mkdir -p $v' $DIRS;
2951 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2952 fi
2953
2954 enabled stripping || strip="echo skipping strip"
2955
2956 cat > config.mak <<EOF
2957 # Automatically generated by configure - do not modify!
2958 ifndef FFMPEG_CONFIG_MAK
2959 FFMPEG_CONFIG_MAK=1
2960 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2961 prefix=$prefix
2962 LIBDIR=\$(DESTDIR)$libdir
2963 SHLIBDIR=\$(DESTDIR)$shlibdir
2964 INCDIR=\$(DESTDIR)$incdir
2965 BINDIR=\$(DESTDIR)$bindir
2966 DATADIR=\$(DESTDIR)$datadir
2967 MANDIR=\$(DESTDIR)$mandir
2968 SRC_PATH="$source_path"
2969 SRC_PATH_BARE=$source_path
2970 BUILD_ROOT="$PWD"
2971 ARCH=$arch
2972 CC=$cc
2973 AS=$as
2974 LD=$ld
2975 DEPCC=$dep_cc
2976 YASM=$yasmexe
2977 YASMDEP=$yasmexe
2978 AR=$ar
2979 RANLIB=$ranlib
2980 CP=cp -p
2981 LN_S=$ln_s
2982 STRIP=$strip
2983 CPPFLAGS=$CPPFLAGS
2984 CFLAGS=$CFLAGS
2985 ASFLAGS=$ASFLAGS
2986 CC_O=$CC_O
2987 LDFLAGS=$LDFLAGS
2988 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2989 SHFLAGS=$SHFLAGS
2990 YASMFLAGS=$YASMFLAGS
2991 BUILDSUF=$build_suffix
2992 FULLNAME=$FULLNAME
2993 LIBPREF=$LIBPREF
2994 LIBSUF=$LIBSUF
2995 LIBNAME=$LIBNAME
2996 SLIBPREF=$SLIBPREF
2997 SLIBSUF=$SLIBSUF
2998 EXESUF=$EXESUF
2999 EXTRA_VERSION=$extra_version
3000 DEPFLAGS=$DEPFLAGS
3001 CCDEP=$CCDEP
3002 ASDEP=$ASDEP
3003 CC_DEPFLAGS=$CC_DEPFLAGS
3004 AS_DEPFLAGS=$AS_DEPFLAGS
3005 HOSTCC=$host_cc
3006 HOSTCFLAGS=$host_cflags
3007 HOSTEXESUF=$HOSTEXESUF
3008 HOSTLDFLAGS=$host_ldflags
3009 HOSTLIBS=$host_libs
3010 TARGET_EXEC=$target_exec
3011 TARGET_PATH=$target_path
3012 SDL_LIBS=$sdl_libs
3013 SDL_CFLAGS=$sdl_cflags
3014 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3015 EXTRALIBS=$extralibs
3016 INSTALL=install
3017 LIBTARGET=${LIBTARGET}
3018 SLIBNAME=${SLIBNAME}
3019 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3020 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3021 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3022 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3023 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3024 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3025 SAMPLES=$samples
3026 EOF
3027
3028 get_version(){
3029 name=$1
3030 file=$source_path/$2
3031 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3032 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3033 lcname=$(tolower $name)
3034 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3035 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3036 }
3037
3038 get_version LIBSWSCALE libswscale/swscale.h
3039 get_version LIBPOSTPROC libpostproc/postprocess.h
3040 get_version LIBAVCODEC libavcodec/avcodec.h
3041 get_version LIBAVDEVICE libavdevice/avdevice.h
3042 get_version LIBAVFORMAT libavformat/avformat.h
3043 get_version LIBAVUTIL libavutil/avutil.h
3044 get_version LIBAVFILTER libavfilter/avfilter.h
3045
3046 enabled asmalign_pot || align_shift="1 <<"
3047
3048 cat > $TMPH <<EOF
3049 /* Automatically generated by configure - do not modify! */
3050 #ifndef FFMPEG_CONFIG_H
3051 #define FFMPEG_CONFIG_H
3052 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3053 #define FFMPEG_LICENSE "$(c_escape $license)"
3054 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3055 #define CC_TYPE "$cc_type"
3056 #define CC_VERSION $cc_version
3057 #define restrict $_restrict
3058 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3059 #define EXTERN_PREFIX "${extern_prefix}"
3060 #define EXTERN_ASM ${extern_prefix}
3061 EOF
3062
3063 test -n "$malloc_prefix" &&
3064 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3065
3066 if enabled small || disabled optimizations; then
3067 echo "#undef av_always_inline" >> $TMPH
3068 echo "#define av_always_inline" >> $TMPH
3069 fi
3070
3071 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3072 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3073 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3074 $CONFIG_EXTRA \
3075 $DECODER_LIST \
3076 $ENCODER_LIST \
3077 $HWACCEL_LIST \
3078 $PARSER_LIST \
3079 $BSF_LIST \
3080 $DEMUXER_LIST \
3081 $MUXER_LIST \
3082 $FILTER_LIST \
3083 $PROTOCOL_LIST \
3084 $INDEV_LIST \
3085 $OUTDEV_LIST \
3086
3087 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3088 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3089
3090 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3091 cp_if_changed $TMPH config.h
3092
3093 cat > $TMPH <<EOF
3094 /* Generated by ffconf */
3095 #ifndef AVUTIL_AVCONFIG_H
3096 #define AVUTIL_AVCONFIG_H
3097 EOF
3098
3099 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3100
3101 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3102
3103 cp_if_changed $TMPH libavutil/avconfig.h
3104
3105 # build pkg-config files
3106
3107 pkgconfig_generate(){
3108 name=$1
3109 shortname=${name#lib}${build_suffix}
3110 comment=$2
3111 version=$3
3112 libs=$4
3113 requires=$5
3114 cat <<EOF > $name/$name.pc
3115 prefix=$prefix
3116 exec_prefix=\${prefix}
3117 libdir=$libdir
3118 includedir=$incdir
3119
3120 Name: $name
3121 Description: $comment
3122 Version: $version
3123 Requires: $(enabled shared || echo $requires)
3124 Requires.private: $(enabled shared && echo $requires)
3125 Conflicts:
3126 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3127 Libs.private: $(enabled shared && echo $libs)
3128 Cflags: -I\${includedir}
3129 EOF
3130 cat <<EOF > $name/$name-uninstalled.pc
3131 prefix=
3132 exec_prefix=
3133 libdir=\${pcfiledir}
3134 includedir=${source_path}
3135
3136 Name: $name
3137 Description: $comment
3138 Version: $version
3139 Requires: $requires
3140 Conflicts:
3141 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3142 Cflags: -I\${includedir}
3143 EOF
3144 }
3145
3146 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3147 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3148 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3149 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3150 enabled avfilter &&
3151 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3152 enabled postproc &&
3153 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3154 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"