Add compatibility wrappers for functions moved from lavf to lavc
[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 --disable-everything disable all components listed below
119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163 External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-librtmp enable RTMP[E] support via librtmp [no]
180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [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 bzlib
897 dct
898 doc
899 dwt
900 dxva2
901 fastdiv
902 ffmpeg
903 ffplay
904 ffprobe
905 ffserver
906 fft
907 golomb
908 gpl
909 gprof
910 gray
911 h264dsp
912 hardcoded_tables
913 libdc1394
914 libdirac
915 libfaac
916 libfaad
917 libfaadbin
918 libgsm
919 libmp3lame
920 libnut
921 libopencore_amrnb
922 libopencore_amrwb
923 libopenjpeg
924 librtmp
925 libschroedinger
926 libspeex
927 libtheora
928 libvorbis
929 libvpx
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 symver
1088 symver_gnu_asm
1089 symver_asm_label
1090 sys_mman_h
1091 sys_resource_h
1092 sys_select_h
1093 sys_soundcard_h
1094 sys_videoio_h
1095 ten_operands
1096 termios_h
1097 threads
1098 truncf
1099 vfp_args
1100 VirtualAlloc
1101 winsock2_h
1102 xform_asm
1103 yasm
1104 "
1105
1106 # options emitted with CONFIG_ prefix but not available on command line
1107 CONFIG_EXTRA="
1108 avutil
1109 gplv3
1110 lgplv3
1111 "
1112
1113 CMDLINE_SELECT="
1114 $ARCH_EXT_LIST
1115 $CONFIG_LIST
1116 $THREADS_LIST
1117 asm
1118 cross_compile
1119 debug
1120 extra_warnings
1121 logging
1122 optimizations
1123 stripping
1124 yasm
1125 "
1126
1127 PATHS_LIST='
1128 bindir
1129 datadir
1130 incdir
1131 libdir
1132 mandir
1133 prefix
1134 shlibdir
1135 '
1136
1137 CMDLINE_SET="
1138 $PATHS_LIST
1139 ar
1140 arch
1141 as
1142 build_suffix
1143 cc
1144 cpu
1145 cross_prefix
1146 dep_cc
1147 extra_version
1148 host_cc
1149 host_cflags
1150 host_ldflags
1151 host_libs
1152 host_os
1153 ld
1154 logfile
1155 malloc_prefix
1156 nm
1157 samples
1158 source_path
1159 strip
1160 sysinclude
1161 sysroot
1162 target_exec
1163 target_os
1164 target_path
1165 "
1166
1167 CMDLINE_APPEND="
1168 extra_cflags
1169 "
1170
1171 # code dependency declarations
1172
1173 # architecture extensions
1174
1175 armv5te_deps="arm"
1176 armv6_deps="arm"
1177 armv6t2_deps="arm"
1178 armvfp_deps="arm"
1179 iwmmxt_deps="arm"
1180 neon_deps="arm"
1181
1182 mmi_deps="mips"
1183
1184 altivec_deps="ppc"
1185 ppc4xx_deps="ppc"
1186
1187 vis_deps="sparc"
1188
1189 x86_64_suggest="cmov fast_cmov"
1190 amd3dnow_deps="mmx"
1191 amd3dnowext_deps="amd3dnow"
1192 mmx_deps="x86"
1193 mmx2_deps="mmx"
1194 sse_deps="mmx"
1195 ssse3_deps="sse"
1196
1197 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1198 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1199 fast_unaligned_if_any="armv6 ppc x86"
1200
1201 need_memalign="altivec neon sse"
1202 inline_asm_deps="!tms470"
1203
1204 symver_if_any="symver_asm_label symver_gnu_asm"
1205
1206 # subsystems
1207 mdct_select="fft"
1208 rdft_select="fft"
1209
1210 # decoders / encoders / hardware accelerators
1211 aac_decoder_select="mdct rdft aac_parser"
1212 aac_encoder_select="mdct"
1213 ac3_decoder_select="mdct ac3_parser"
1214 alac_encoder_select="lpc"
1215 amrnb_decoder_select="lsp"
1216 atrac1_decoder_select="mdct"
1217 atrac3_decoder_select="mdct"
1218 binkaudio_dct_decoder_select="mdct rdft dct"
1219 binkaudio_rdft_decoder_select="mdct rdft"
1220 cavs_decoder_select="golomb"
1221 cook_decoder_select="mdct"
1222 cscd_decoder_suggest="zlib"
1223 dca_decoder_select="mdct"
1224 dnxhd_encoder_select="aandct"
1225 dxa_decoder_select="zlib"
1226 eac3_decoder_select="ac3_decoder"
1227 eamad_decoder_select="aandct"
1228 eatgq_decoder_select="aandct"
1229 eatqi_decoder_select="aandct"
1230 ffv1_decoder_select="golomb"
1231 flac_decoder_select="golomb"
1232 flac_encoder_select="golomb lpc"
1233 flashsv_decoder_select="zlib"
1234 flashsv_encoder_select="zlib"
1235 flv_decoder_select="h263_decoder"
1236 flv_encoder_select="h263_encoder"
1237 h261_encoder_select="aandct"
1238 h263_decoder_select="h263_parser"
1239 h263_encoder_select="aandct"
1240 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1241 h263i_decoder_select="h263_decoder"
1242 h263p_encoder_select="h263_encoder"
1243 h264_decoder_select="golomb h264dsp"
1244 h264_dxva2_hwaccel_deps="dxva2api_h"
1245 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1246 h264_vaapi_hwaccel_select="vaapi"
1247 h264_vdpau_decoder_select="vdpau h264_decoder"
1248 imc_decoder_select="fft mdct"
1249 jpegls_decoder_select="golomb"
1250 jpegls_encoder_select="golomb"
1251 ljpeg_encoder_select="aandct"
1252 loco_decoder_select="golomb"
1253 mjpeg_encoder_select="aandct"
1254 mlp_decoder_select="mlp_parser"
1255 mpeg1video_encoder_select="aandct"
1256 mpeg2video_encoder_select="aandct"
1257 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1258 mpeg4_encoder_select="h263_encoder"
1259 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1260 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1261 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1262 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1263 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1264 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1265 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1266 msmpeg4v1_decoder_select="h263_decoder"
1267 msmpeg4v1_encoder_select="h263_encoder"
1268 msmpeg4v2_decoder_select="h263_decoder"
1269 msmpeg4v2_encoder_select="h263_encoder"
1270 msmpeg4v3_decoder_select="h263_decoder"
1271 msmpeg4v3_encoder_select="h263_encoder"
1272 nellymoser_decoder_select="mdct"
1273 nellymoser_encoder_select="mdct"
1274 png_decoder_select="zlib"
1275 png_encoder_select="zlib"
1276 qcelp_decoder_select="lsp"
1277 qdm2_decoder_select="mdct rdft"
1278 real_144_encoder_select="lpc"
1279 rv10_decoder_select="h263_decoder"
1280 rv10_encoder_select="h263_encoder"
1281 rv20_decoder_select="h263_decoder"
1282 rv20_encoder_select="h263_encoder"
1283 rv30_decoder_select="golomb h264dsp"
1284 rv40_decoder_select="golomb h264dsp"
1285 shorten_decoder_select="golomb"
1286 sipr_decoder_select="lsp"
1287 snow_decoder_select="dwt"
1288 snow_encoder_select="aandct dwt"
1289 sonic_decoder_select="golomb"
1290 sonic_encoder_select="golomb"
1291 sonic_ls_encoder_select="golomb"
1292 svq1_encoder_select="aandct"
1293 svq3_decoder_select="golomb h264dsp"
1294 svq3_decoder_suggest="zlib"
1295 theora_decoder_select="vp3_decoder"
1296 tiff_decoder_suggest="zlib"
1297 tiff_encoder_suggest="zlib"
1298 truehd_decoder_select="mlp_decoder"
1299 tscc_decoder_select="zlib"
1300 twinvq_decoder_select="mdct lsp"
1301 vc1_decoder_select="h263_decoder"
1302 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1303 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1304 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1305 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1306 vorbis_decoder_select="mdct"
1307 vorbis_encoder_select="mdct"
1308 vp6a_decoder_select="vp6_decoder"
1309 vp6f_decoder_select="vp6_decoder"
1310 wmapro_decoder_select="mdct"
1311 wmav1_decoder_select="mdct"
1312 wmav1_encoder_select="mdct"
1313 wmav2_decoder_select="mdct"
1314 wmav2_encoder_select="mdct"
1315 wmavoice_decoder_select="lsp rdft dct"
1316 wmv1_decoder_select="h263_decoder"
1317 wmv1_encoder_select="h263_encoder"
1318 wmv2_decoder_select="h263_decoder"
1319 wmv2_encoder_select="h263_encoder"
1320 wmv3_decoder_select="vc1_decoder"
1321 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1322 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1323 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1324 zlib_decoder_select="zlib"
1325 zlib_encoder_select="zlib"
1326 zmbv_decoder_select="zlib"
1327 zmbv_encoder_select="zlib"
1328
1329 vaapi_deps="va_va_h"
1330 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1331
1332 # parsers
1333 h264_parser_select="golomb h264dsp"
1334
1335 # bitstream_filters
1336 aac_adtstoasc_bsf_select="aac_parser"
1337
1338 # external libraries
1339 libdirac_decoder_deps="libdirac !libschroedinger"
1340 libdirac_encoder_deps="libdirac"
1341 libfaac_encoder_deps="libfaac"
1342 libfaad_decoder_deps="libfaad"
1343 libfaadbin_extralibs='$ldl'
1344 libgsm_decoder_deps="libgsm"
1345 libgsm_encoder_deps="libgsm"
1346 libgsm_ms_decoder_deps="libgsm"
1347 libgsm_ms_encoder_deps="libgsm"
1348 libmp3lame_encoder_deps="libmp3lame"
1349 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1350 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1351 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1352 libopenjpeg_decoder_deps="libopenjpeg"
1353 libschroedinger_decoder_deps="libschroedinger"
1354 libschroedinger_encoder_deps="libschroedinger"
1355 libspeex_decoder_deps="libspeex"
1356 libtheora_encoder_deps="libtheora"
1357 libvorbis_encoder_deps="libvorbis"
1358 libvpx_decoder_deps="libvpx"
1359 libvpx_encoder_deps="libvpx"
1360 libx264_encoder_deps="libx264"
1361 libxvid_encoder_deps="libxvid"
1362
1363 # demuxers / muxers
1364 ac3_demuxer_deps="ac3_parser"
1365 asf_stream_muxer_select="asf_muxer"
1366 avisynth_demuxer_deps="avisynth"
1367 dirac_demuxer_deps="dirac_parser"
1368 eac3_demuxer_select="ac3_parser"
1369 ipod_muxer_select="mov_muxer"
1370 libnut_demuxer_deps="libnut"
1371 libnut_muxer_deps="libnut"
1372 matroska_audio_muxer_select="matroska_muxer"
1373 matroska_demuxer_suggest="zlib bzlib"
1374 mov_demuxer_suggest="zlib"
1375 mp3_demuxer_deps="mpegaudio_parser"
1376 mp4_muxer_select="mov_muxer"
1377 mpegtsraw_demuxer_select="mpegts_demuxer"
1378 mxf_d10_muxer_select="mxf_muxer"
1379 ogg_demuxer_select="golomb"
1380 psp_muxer_select="mov_muxer"
1381 rtsp_demuxer_deps="sdp_demuxer"
1382 rtsp_muxer_deps="sdp_demuxer"
1383 rtsp_muxer_select="rtp_muxer"
1384 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1385 sdp_demuxer_select="asf_demuxer rm_demuxer"
1386 spdif_muxer_select="aac_parser"
1387 tg2_muxer_select="mov_muxer"
1388 tgp_muxer_select="mov_muxer"
1389 w64_demuxer_deps="wav_demuxer"
1390
1391 # indevs / outdevs
1392 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1393 alsa_indev_extralibs="-lasound"
1394 alsa_outdev_deps="alsa_asoundlib_h"
1395 alsa_outdev_extralibs="-lasound"
1396 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1397 dv1394_indev_deps="dv1394 dv_demuxer"
1398 jack_indev_deps="jack_jack_h"
1399 jack_indev_extralibs="-ljack"
1400 libdc1394_indev_deps="libdc1394"
1401 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1402 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1403 v4l_indev_deps="linux_videodev_h"
1404 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1405 vfwcap_indev_deps="capCreateCaptureWindow"
1406 vfwcap_indev_extralibs="-lavicap32"
1407 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1408 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1409
1410 # protocols
1411 gopher_protocol_deps="network"
1412 http_protocol_deps="network"
1413 http_protocol_select="tcp_protocol"
1414 mmst_protocol_deps="network"
1415 rtmp_protocol_select="tcp_protocol"
1416 rtp_protocol_select="udp_protocol"
1417 tcp_protocol_deps="network"
1418 udp_protocol_deps="network"
1419
1420 # filters
1421 movie_filter_deps="avfilter_lavf"
1422 avfilter_lavf_deps="avformat"
1423
1424 # libraries
1425 avdevice_deps="avcodec avformat"
1426 avformat_deps="avcodec"
1427
1428 # programs
1429 ffmpeg_deps="avcodec avformat swscale"
1430 ffmpeg_select="buffer_filter"
1431 ffplay_deps="avcodec avformat swscale sdl"
1432 ffplay_select="rdft"
1433 ffprobe_deps="avcodec avformat"
1434 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1435 ffserver_extralibs='$ldl'
1436
1437 doc_deps="texi2html"
1438
1439 # default parameters
1440
1441 logfile="config.err"
1442
1443 # installation paths
1444 prefix_default="/usr/local"
1445 bindir_default='${prefix}/bin'
1446 datadir_default='${prefix}/share/ffmpeg'
1447 incdir_default='${prefix}/include'
1448 libdir_default='${prefix}/lib'
1449 mandir_default='${prefix}/share/man'
1450 shlibdir_default="$libdir_default"
1451
1452 # toolchain
1453 ar_default="ar"
1454 cc_default="gcc"
1455 cc_version=\"unknown\"
1456 host_cc_default="gcc"
1457 ln_s="ln -sf"
1458 nm_default="nm"
1459 objformat="elf"
1460 ranlib="ranlib"
1461 strip_default="strip"
1462 yasmexe="yasm"
1463
1464 nm_opts='-g'
1465
1466 # machine
1467 arch_default=$(uname -m)
1468 cpu="generic"
1469
1470 # OS
1471 target_os_default=$(tolower $(uname -s))
1472 host_os=$target_os_default
1473
1474 # configurable options
1475 enable avcodec
1476 enable avdevice
1477 enable avfilter
1478 enable avformat
1479 enable avutil
1480 enable asm
1481 enable debug
1482 enable doc
1483 enable fastdiv
1484 enable ffmpeg
1485 enable ffplay
1486 enable ffprobe
1487 enable ffserver
1488 enable mpegaudio_hp
1489 enable network
1490 enable optimizations
1491 enable protocols
1492 enable static
1493 enable stripping
1494 enable swscale
1495 enable swscale_alpha
1496
1497 # build settings
1498 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1499 FFSERVERLDFLAGS=-Wl,-E
1500 LIBPREF="lib"
1501 LIBSUF=".a"
1502 FULLNAME='$(NAME)$(BUILDSUF)'
1503 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1504 SLIBPREF="lib"
1505 SLIBSUF=".so"
1506 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1507 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1508 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1509 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1510
1511 CC_O='-o $@'
1512
1513 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1514 host_libs='-lm'
1515
1516 target_path='$(CURDIR)'
1517
1518 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1519 # full relative path for objects in subdirectories for non-recursive Make.
1520 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1521 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1522
1523 # find source path
1524 source_path="$(dirname "$0")"
1525 enable source_path_used
1526 if test -f configure; then
1527 source_path="$(pwd)"
1528 disable source_path_used
1529 else
1530 source_path="$(cd "$source_path"; pwd)"
1531 echo "$source_path" | grep -q '[[:blank:]]' &&
1532 die "Out of tree builds are impossible with whitespace in source path."
1533 test -e "$source_path/config.h" &&
1534 die "Out of tree builds are impossible with config.h in source dir."
1535 fi
1536
1537 for v in "$@"; do
1538 r=${v#*=}
1539 l=${v%"$r"}
1540 r=$(sh_quote "$r")
1541 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1542 done
1543
1544 find_things(){
1545 thing=$1
1546 pattern=$2
1547 file=$source_path/$3
1548 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1549 }
1550
1551 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1552 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1553 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1554 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1555 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1556 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1557 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1558 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1559 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1560 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1561 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1562
1563 for n in $COMPONENT_LIST; do
1564 v=$(toupper ${n%s})_LIST
1565 eval enable \$$v
1566 eval ${n}_if_any="\$$v"
1567 done
1568
1569 enable $ARCH_EXT_LIST
1570
1571 die_unknown(){
1572 echo "Unknown option \"$1\"."
1573 echo "See $0 --help for available options."
1574 exit 1
1575 }
1576
1577 show_list() {
1578 suffix=_$1
1579 shift
1580 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1581 exit 0
1582 }
1583
1584 for opt do
1585 optval="${opt#*=}"
1586 case "$opt" in
1587 --extra-ldflags=*) add_ldflags $optval
1588 ;;
1589 --extra-libs=*) add_extralibs $optval
1590 ;;
1591 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1592 ;;
1593 --enable-debug=*) debuglevel="$optval"
1594 ;;
1595 --disable-everything)
1596 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1597 ;;
1598 --enable-*=*|--disable-*=*)
1599 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1600 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1601 eval list=\$$(toupper $thing)_LIST
1602 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1603 $action $(filter "$name" $list)
1604 ;;
1605 --enable-?*|--disable-?*)
1606 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1607 if is_in $option $COMPONENT_LIST; then
1608 test $action = disable && action=unset
1609 eval $action \$$(toupper ${option%s})_LIST
1610 elif is_in $option $CMDLINE_SELECT; then
1611 $action $option
1612 else
1613 die_unknown $opt
1614 fi
1615 ;;
1616 --list-*)
1617 NAME="${opt#--list-}"
1618 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1619 NAME=${NAME%s}
1620 eval show_list $NAME \$$(toupper $NAME)_LIST
1621 ;;
1622 --help|-h) show_help
1623 ;;
1624 *)
1625 optname="${opt%%=*}"
1626 optname="${optname#--}"
1627 optname=$(echo "$optname" | sed 's/-/_/g')
1628 if is_in $optname $CMDLINE_SET; then
1629 eval $optname='$optval'
1630 elif is_in $optname $CMDLINE_APPEND; then
1631 append $optname "$optval"
1632 else
1633 die_unknown $opt
1634 fi
1635 ;;
1636 esac
1637 done
1638
1639 disabled logging && logfile=/dev/null
1640
1641 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1642 set >> $logfile
1643
1644 test -n "$cross_prefix" && enable cross_compile
1645
1646 if enabled cross_compile; then
1647 test -n "$arch" && test -n "$target_os" ||
1648 die "Must specify target arch and OS when cross-compiling"
1649 fi
1650
1651 set_default arch target_os
1652
1653 ar_default="${cross_prefix}${ar_default}"
1654 cc_default="${cross_prefix}${cc_default}"
1655 nm_default="${cross_prefix}${nm_default}"
1656 ranlib="${cross_prefix}${ranlib}"
1657 strip_default="${cross_prefix}${strip_default}"
1658
1659 sysinclude_default="${sysroot}/usr/include"
1660
1661 set_default cc nm strip sysinclude
1662 enabled cross_compile || host_cc_default=$cc
1663 set_default host_cc
1664
1665 exesuf() {
1666 case $1 in
1667 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1668 esac
1669 }
1670
1671 EXESUF=$(exesuf $target_os)
1672 HOSTEXESUF=$(exesuf $host_os)
1673
1674 # set temporary file name
1675 : ${TMPDIR:=$TEMPDIR}
1676 : ${TMPDIR:=$TMP}
1677 : ${TMPDIR:=/tmp}
1678
1679 if ! check_cmd type mktemp; then
1680 # simple replacement for missing mktemp
1681 # NOT SAFE FOR GENERAL USE
1682 mktemp(){
1683 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1684 }
1685 fi
1686
1687 tmpfile(){
1688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1689 (set -C; exec > $tmp) 2>/dev/null ||
1690 die "Unable to create temporary file in $TMPDIR."
1691 append TMPFILES $tmp
1692 eval $1=$tmp
1693 }
1694
1695 trap 'rm -f -- $TMPFILES' EXIT
1696 trap exit HUP INT TERM
1697
1698 tmpfile TMPC .c
1699 tmpfile TMPE $EXESUF
1700 tmpfile TMPH .h
1701 tmpfile TMPO .o
1702 tmpfile TMPS .S
1703 tmpfile TMPV .ver
1704 tmpfile TMPSH .sh
1705
1706 unset -f mktemp
1707
1708 # make sure we can execute files in $TMPDIR
1709 cat > $TMPSH 2>> $logfile <<EOF
1710 #! /bin/sh
1711 EOF
1712 chmod +x $TMPSH >> $logfile 2>&1
1713 if ! $TMPSH >> $logfile 2>&1; then
1714 cat <<EOF
1715 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1716 variable to another directory and make sure that it is not mounted noexec.
1717 EOF
1718 die "Sanity test failed."
1719 fi
1720
1721 filter_cflags=echo
1722 filter_cppflags=echo
1723 filter_asflags=echo
1724
1725 if $cc -v 2>&1 | grep -qi ^gcc; then
1726 cc_type=gcc
1727 cc_version=__VERSION__
1728 if ! $cc -dumpversion | grep -q '^2\.'; then
1729 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1731 fi
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
1734 elif $cc --version 2>/dev/null | grep -q Intel; then
1735 cc_type=icc
1736 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1737 CC_DEPFLAGS='-MMD'
1738 AS_DEPFLAGS='-MMD'
1739 speed_cflags='-O3'
1740 size_cflags='-Os'
1741 noopt_cflags='-O1'
1742 elif $cc -v 2>&1 | grep -q xlc; then
1743 cc_type=xlc
1744 cc_version="AV_STRINGIFY(__IBMC__)"
1745 speed_cflags='-O5'
1746 size_cflags='-O5 -qcompact'
1747 elif $cc -V 2>/dev/null | grep -q Compaq; then
1748 cc_type=ccc
1749 cc_version="AV_STRINGIFY(__DECC_VER)"
1750 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1751 debuglevel=3
1752 add_ldflags -Wl,-z,now # calls to libots crash without this
1753 speed_cflags='-fast'
1754 size_cflags='-O1'
1755 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1756 test -d "$sysroot" || die "No valid sysroot specified."
1757 cc_type=armcc
1758 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1759 armcc_conf="$PWD/armcc.conf"
1760 $cc --arm_linux_configure \
1761 --arm_linux_config_file="$armcc_conf" \
1762 --configure_sysroot="$sysroot" \
1763 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1764 die "Error creating armcc configuration file."
1765 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1766 as_default="${cross_prefix}gcc"
1767 CC_DEPFLAGS='-MMD'
1768 AS_DEPFLAGS='-MMD'
1769 speed_cflags='-O3'
1770 size_cflags='-Os'
1771 elif $cc -version 2>/dev/null | grep -q TMS470; then
1772 cc_type=tms470
1773 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1774 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1775 CC_O='-fr=$(@D)'
1776 as_default="${cross_prefix}gcc"
1777 ld_default="${cross_prefix}gcc"
1778 TMPO=$(basename $TMPC .c).o
1779 append TMPFILES $TMPO
1780 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1781 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1782 AS_DEPFLAGS='-MMD'
1783 speed_cflags='-O3 -mf=5'
1784 size_cflags='-O3 -mf=2'
1785 filter_cflags=tms470_flags
1786 tms470_flags(){
1787 for flag; do
1788 case $flag in
1789 -march=*|-mcpu=*)
1790 case "${flag#*=}" in
1791 armv7-a|cortex-a*) echo -mv=7a8 ;;
1792 armv7-r|cortex-r*) echo -mv=7r4 ;;
1793 armv7-m|cortex-m*) echo -mv=7m3 ;;
1794 armv6*|arm11*) echo -mv=6 ;;
1795 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1796 echo -mv=5e ;;
1797 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1798 esac
1799 ;;
1800 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1801 -mfpu=vfp) echo --float_support=vfpv2 ;;
1802 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1803 -msoft-float) echo --float_support=vfplib ;;
1804 -O[0-3]|-mf=*) echo $flag ;;
1805 -g) echo -g -mn ;;
1806 -pds=*) echo $flag ;;
1807 esac
1808 done
1809 }
1810 elif $cc -v 2>&1 | grep -q clang; then
1811 cc_type=clang
1812 cc_version=__VERSION__
1813 CC_DEPFLAGS='-MMD'
1814 AS_DEPFLAGS='-MMD'
1815 speed_cflags='-O3'
1816 size_cflags='-Os'
1817 elif $cc -V 2>&1 | grep -q Sun; then
1818 cc_type=suncc
1819 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1820 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1821 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1822 speed_cflags='-O5'
1823 size_cflags='-O5 -xspace'
1824 filter_cflags=suncc_flags
1825 suncc_flags(){
1826 for flag; do
1827 case $flag in
1828 -march=*|-mcpu=*)
1829 case "${flag#*=}" in
1830 native) echo -xtarget=native ;;
1831 v9|niagara) echo -xarch=sparc ;;
1832 ultrasparc) echo -xarch=sparcvis ;;
1833 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1834 i586|pentium) echo -xchip=pentium ;;
1835 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1836 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1837 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1838 pentium4*) echo -xtarget=pentium4 ;;
1839 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1840 *-sse3) echo -xarch=sse3 ;;
1841 core2) echo -xarch=ssse3 -xchip=core2 ;;
1842 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1843 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1844 k8|opteron|athlon64|athlon-fx)
1845 echo -xarch=sse2a ;;
1846 athlon*) echo -xarch=pentium_proa ;;
1847 esac
1848 ;;
1849 -std=c99) echo -xc99 ;;
1850 -fomit-frame-pointer) echo -xregs=frameptr ;;
1851 -fPIC) echo -KPIC -xcode=pic32 ;;
1852 -W*,*) echo $flag ;;
1853 -f*-*|-W*) ;;
1854 *) echo $flag ;;
1855 esac
1856 done
1857 }
1858 fi
1859
1860 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1861
1862 : ${as_default:=$cc}
1863 : ${dep_cc_default:=$cc}
1864 : ${ld_default:=$cc}
1865 set_default ar as dep_cc ld
1866
1867 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1868 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1869
1870 add_cflags $extra_cflags
1871 add_asflags $extra_cflags
1872
1873 if test -n "$sysroot"; then
1874 case "$cc_type" in
1875 gcc)
1876 add_cppflags --sysroot="$sysroot"
1877 add_ldflags --sysroot="$sysroot"
1878 ;;
1879 tms470)
1880 add_cppflags -I"$sysinclude"
1881 add_ldflags --sysroot="$sysroot"
1882 ;;
1883 clang)
1884 add_cppflags -isysroot "$sysroot"
1885 add_ldflags -isysroot "$sysroot"
1886 ;;
1887 esac
1888 fi
1889
1890 if test "$cpu" = host; then
1891 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1892
1893 case "$cc_type" in
1894 gcc)
1895 check_native(){
1896 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1897 sed -n "/$1=/{
1898 s/.*$1=\\([^ ]*\\).*/\\1/
1899 p
1900 q
1901 }" $TMPE
1902 }
1903 cpu=$(check_native -march || check_native -mcpu)
1904 ;;
1905 esac
1906
1907 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1908 fi
1909
1910 # Deal with common $arch aliases
1911 case "$arch" in
1912 arm*)
1913 arch="arm"
1914 ;;
1915 mips|mipsel|IP*)
1916 arch="mips"
1917 ;;
1918 mips64*)
1919 arch="mips"
1920 subarch="mips64"
1921 ;;
1922 parisc|hppa)
1923 arch="parisc"
1924 ;;
1925 parisc64|hppa64)
1926 arch="parisc"
1927 subarch="parisc64"
1928 ;;
1929 "Power Macintosh"|ppc|powerpc)
1930 arch="ppc"
1931 ;;
1932 ppc64|powerpc64)
1933 arch="ppc"
1934 subarch="ppc64"
1935 ;;
1936 s390|s390x)
1937 arch="s390"
1938 ;;
1939 sh4|sh)
1940 arch="sh4"
1941 ;;
1942 sun4u|sparc64)
1943 arch="sparc"
1944 subarch="sparc64"
1945 ;;
1946 i[3-6]86|i86pc|BePC|x86_64|amd64)
1947 arch="x86"
1948 ;;
1949 esac
1950
1951 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1952 enable $arch
1953
1954 # Add processor-specific flags
1955 if test "$cpu" = generic; then
1956 : do nothing
1957 elif enabled ppc; then
1958
1959 case $(tolower $cpu) in
1960 601|ppc601|powerpc601)
1961 cpuflags="-mcpu=601"
1962 disable altivec
1963 ;;
1964 603*|ppc603*|powerpc603*)
1965 cpuflags="-mcpu=603"
1966 disable altivec
1967 ;;
1968 604*|ppc604*|powerpc604*)
1969 cpuflags="-mcpu=604"
1970 disable altivec
1971 ;;
1972 g3|75*|ppc75*|powerpc75*)
1973 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1974 disable altivec
1975 ;;
1976 g4|745*|ppc745*|powerpc745*)
1977 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1978 ;;
1979 74*|ppc74*|powerpc74*)
1980 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1981 ;;
1982 g5|970|ppc970|powerpc970|power4*)
1983 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1984 ;;
1985 cell)
1986 cpuflags="-mcpu=cell"
1987 enable ldbrx
1988 ;;
1989 e500v2)
1990 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1991 disable altivec
1992 ;;
1993 e500)
1994 cpuflags="-mcpu=8540 -mhard-float"
1995 disable altivec
1996 ;;
1997 esac
1998
1999 elif enabled x86; then
2000
2001 case $cpu in
2002 i[345]86|pentium)
2003 cpuflags="-march=$cpu"
2004 disable mmx
2005 ;;
2006 # targets that do NOT support conditional mov (cmov)
2007 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2008 cpuflags="-march=$cpu"
2009 disable cmov
2010 ;;
2011 # targets that do support conditional mov (cmov)
2012 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 enable fast_cmov
2016 ;;
2017 # targets that do support conditional mov but on which it's slow
2018 pentium4|pentium4m|prescott|nocona)
2019 cpuflags="-march=$cpu"
2020 enable cmov
2021 disable fast_cmov
2022 ;;
2023 esac
2024
2025 elif enabled sparc; then
2026
2027 case $cpu in
2028 niagara)
2029 cpuflags="-mcpu=$cpu"
2030 disable vis
2031 ;;
2032 sparc64)
2033 cpuflags="-mcpu=v9"
2034 ;;
2035 esac
2036
2037 elif enabled arm; then
2038
2039 case $cpu in
2040 armv*)
2041 cpuflags="-march=$cpu"
2042 ;;
2043 *)
2044 cpuflags="-mcpu=$cpu"
2045 ;;
2046 esac
2047
2048 elif enabled alpha; then
2049
2050 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2051
2052 elif enabled bfin; then
2053
2054 cpuflags="-mcpu=$cpu"
2055
2056 elif enabled mips; then
2057
2058 cpuflags="-march=$cpu"
2059
2060 elif enabled avr32; then
2061
2062 case $cpu in
2063 ap7[02]0[0-2])
2064 subarch="avr32_ap"
2065 cpuflags="-mpart=$cpu"
2066 ;;
2067 ap)
2068 subarch="avr32_ap"
2069 cpuflags="-march=$cpu"
2070 ;;
2071 uc3[ab]*)
2072 subarch="avr32_uc"
2073 cpuflags="-mcpu=$cpu"
2074 ;;
2075 uc)
2076 subarch="avr32_uc"
2077 cpuflags="-march=$cpu"
2078 ;;
2079 esac
2080
2081 fi
2082
2083 add_cflags $cpuflags
2084 add_asflags $cpuflags
2085
2086 # compiler sanity check
2087 check_exec <<EOF
2088 int main(void){ return 0; }
2089 EOF
2090 if test "$?" != 0; then
2091 echo "$cc is unable to create an executable file."
2092 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2093 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2094 echo "Only do this if you know what cross compiling means."
2095 fi
2096 die "C compiler test failed."
2097 fi
2098
2099 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2100 check_cflags -std=c99
2101 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2102 #include <stdlib.h>
2103 EOF
2104 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2105 #include <stdlib.h>
2106 EOF
2107
2108 check_host_cflags -std=c99
2109
2110 case "$arch" in
2111 alpha|ia64|mips|parisc|sparc)
2112 spic=$shared
2113 ;;
2114 x86)
2115 subarch="x86_32"
2116 check_cc <<EOF && subarch="x86_64"
2117 int test[(int)sizeof(char*) - 7];
2118 EOF
2119 if test "$subarch" = "x86_64"; then
2120 spic=$shared
2121 fi
2122 ;;
2123 esac
2124
2125 enable $subarch
2126 enabled spic && enable pic
2127
2128 # OS specific
2129 case $target_os in
2130 haiku)
2131 prefix_default="/boot/common"
2132 network_extralibs="-lnetwork"
2133 ;;
2134 sunos)
2135 FFSERVERLDFLAGS=""
2136 SHFLAGS='-shared -Wl,-h,$$(@F)'
2137 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2138 network_extralibs="-lsocket -lnsl"
2139 add_cppflags -D__EXTENSIONS__
2140 nm_opts='-P -g'
2141 ;;
2142 netbsd)
2143 oss_indev_extralibs="-lossaudio"
2144 oss_outdev_extralibs="-lossaudio"
2145 add_cppflags -D_XOPEN_SOURCE=600
2146 ;;
2147 openbsd)
2148 enable malloc_aligned
2149 # On OpenBSD 4.5. the compiler does not use PIC unless
2150 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2151 # however the generated executable will not do anything
2152 # (simply quits with exit-code 1, no crash, no output).
2153 # Thus explicitly enable PIC here.
2154 enable pic
2155 SHFLAGS='-shared'
2156 oss_indev_extralibs="-lossaudio"
2157 oss_outdev_extralibs="-lossaudio"
2158 ;;
2159 freebsd|dragonfly)
2160 enable malloc_aligned
2161 ;;
2162 bsd/os)
2163 osextralibs="-lpoll -lgnugetopt"
2164 strip="strip -d"
2165 ;;
2166 darwin)
2167 enable malloc_aligned
2168 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2169 strip="strip -x"
2170 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2171 SLIBSUF=".dylib"
2172 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2173 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2174 FFSERVERLDFLAGS=-Wl,-bind_at_load
2175 objformat="macho"
2176 enabled x86_64 && objformat="macho64"
2177 enabled_any pic shared ||
2178 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2179 ;;
2180 mingw32*)
2181 if test $target_os = "mingw32ce"; then
2182 disable network
2183 else
2184 target_os=mingw32
2185 fi
2186 LIBTARGET=i386
2187 if enabled x86_64; then
2188 enable malloc_aligned
2189 LIBTARGET=x64
2190 elif enabled arm; then
2191 LIBTARGET=arm
2192 fi
2193 shlibdir_default="$bindir_default"
2194 disable ffserver
2195 SLIBPREF=""
2196 SLIBSUF=".dll"
2197 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2198 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2199 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2200 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2201 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2202 install -d "$(LIBDIR)"; \
2203 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2204 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2205 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2206 objformat="win32"
2207 enable dos_paths
2208 check_cflags -fno-common
2209 if ! enabled x86_64; then
2210 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2211 die "ERROR: MinGW runtime version must be >= 3.15."
2212 enabled_any avisynth vfwcap_indev &&
2213 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2214 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2215 fi
2216 ;;
2217 cygwin*)
2218 target_os=cygwin
2219 shlibdir_default="$bindir_default"
2220 SLIBPREF="cyg"
2221 SLIBSUF=".dll"
2222 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2223 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2224 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2225 objformat="win32"
2226 enable dos_paths
2227 check_cflags -fno-common
2228 ;;
2229 *-dos|freedos|opendos)
2230 disable ffplay ffserver
2231 disable $INDEV_LIST $OUTDEV_LIST
2232 network_extralibs="-lsocket"
2233 objformat="coff"
2234 enable dos_paths
2235 ;;
2236 linux)
2237 enable dv1394
2238 ;;
2239 irix*)
2240 target_os=irix
2241 ranlib="echo ignoring ranlib"
2242 ;;
2243 os/2*)
2244 strip="lxlite"
2245 ln_s="cp -f"
2246 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2247 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2248 FFSERVERLDFLAGS=""
2249 LIBSUF="_s.a"
2250 SLIBPREF=""
2251 SLIBSUF=".dll"
2252 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2253 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2254 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2255 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2256 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2257 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2258 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2259 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2260 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2261 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2262 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2263 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2264 enable dos_paths
2265 ;;
2266 gnu/kfreebsd)
2267 ;;
2268 gnu)
2269 ;;
2270 none)
2271 ;;
2272 *)
2273 die "Unknown OS '$target_os'."
2274 ;;
2275 esac
2276
2277 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2278
2279 set_default $PATHS_LIST
2280
2281 add_extralibs $osextralibs
2282
2283 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2284 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2285
2286 # we need to build at least one lib type
2287 if ! enabled_any static shared; then
2288 cat <<EOF
2289 At least one library type must be built.
2290 Specify --enable-static to build the static libraries or --enable-shared to
2291 build the shared libraries as well. To only build the shared libraries specify
2292 --disable-static in addition to --enable-shared.
2293 EOF
2294 exit 1;
2295 fi
2296
2297 disabled static && LIBNAME=""
2298
2299 if enabled_any libfaad libfaadbin ; then
2300 if check_header faad.h; then
2301 check_cc <<EOF
2302 #include <faad.h>
2303 #ifndef FAAD2_VERSION
2304 ok faad1
2305 #endif
2306 int main(void) { return 0; }
2307 EOF
2308 test $? = 0 && enable libfaad2
2309 else
2310 die "FAAD test failed."
2311 fi
2312 fi
2313
2314
2315 die_license_disabled() {
2316 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2317 }
2318
2319 die_license_disabled gpl libfaad2
2320 die_license_disabled gpl libx264
2321 die_license_disabled gpl libxvid
2322 die_license_disabled gpl postproc
2323 die_license_disabled gpl x11grab
2324
2325 die_license_disabled nonfree libfaac
2326
2327 die_license_disabled version3 libopencore_amrnb
2328 die_license_disabled version3 libopencore_amrwb
2329
2330 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2331
2332 check_deps $ARCH_EXT_LIST
2333
2334 disabled optimizations || check_cflags -fomit-frame-pointer
2335
2336 enable_pic() {
2337 enable pic
2338 add_cppflags -DPIC
2339 add_cflags -fPIC
2340 add_asflags -fPIC
2341 }
2342
2343 enabled pic && enable_pic
2344
2345 check_cc <<EOF || die "Symbol mangling check failed."
2346 int ff_extern;
2347 EOF
2348 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2349 extern_prefix=${sym%%ff_extern*}
2350
2351 check_cc <<EOF && enable inline_asm
2352 void foo(void) { __asm__ volatile ("" ::); }
2353 EOF
2354
2355 _restrict=
2356 for restrict_keyword in restrict __restrict__ __restrict; do
2357 check_cc <<EOF && _restrict=$restrict_keyword && break
2358 void foo(char * $restrict_keyword p);
2359 EOF
2360 done
2361
2362 check_cc <<EOF && enable attribute_packed
2363 struct { int x; } __attribute__((packed)) x;
2364 EOF
2365
2366 check_cc <<EOF && enable attribute_may_alias
2367 union { int x; } __attribute__((may_alias)) x;
2368 EOF
2369
2370 check_cc <<EOF || die "endian test failed"
2371 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2372 EOF
2373 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2374
2375 if enabled alpha; then
2376
2377 check_cflags -mieee
2378
2379 elif enabled arm; then
2380
2381 check_cflags -marm
2382
2383 check_ld <<EOF && enable vfp_args
2384 __asm__ (".eabi_attribute 28, 1");
2385 int main(void) { return 0; }
2386 EOF
2387
2388 # We have to check if pld is a nop and disable it.
2389 check_asm pld '"pld [r0]"'
2390
2391 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2392 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2393 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2394 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2395 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2396 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2397
2398 enabled_all armv6t2 shared !pic && enable_pic
2399
2400 elif enabled mips; then
2401
2402 check_asm loongson '"dmult.g $1, $2, $3"'
2403 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2404
2405 elif enabled ppc; then
2406
2407 enable local_aligned_8 local_aligned_16
2408
2409 check_asm dcbzl '"dcbzl 0, 1"'
2410 check_asm ppc4xx '"maclhw r10, r11, r12"'
2411 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2412
2413 # AltiVec flags: The FSF version of GCC differs from the Apple version
2414 if enabled altivec; then
2415 check_cflags -maltivec -mabi=altivec &&
2416 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2417 check_cflags -faltivec
2418
2419 # check if our compiler supports Motorola AltiVec C API
2420 check_cc <<EOF || disable altivec
2421 $inc_altivec_h
2422 int main(void) {
2423 vector signed int v1, v2, v3;
2424 v1 = vec_add(v2,v3);
2425 return 0;
2426 }
2427 EOF
2428
2429 # check if our compiler supports braces for vector declarations
2430 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2431 $inc_altivec_h
2432 int main (void) { (vector int) {1}; return 0; }
2433 EOF
2434 fi
2435
2436 elif enabled sparc; then
2437
2438 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2439 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2440
2441 elif enabled x86; then
2442
2443 enable local_aligned_8 local_aligned_16
2444
2445 # check whether EBP is available on x86
2446 # As 'i' is stored on the stack, this program will crash
2447 # if the base pointer is used to access it because the
2448 # base pointer is cleared in the inline assembly code.
2449 check_exec_crash <<EOF && enable ebp_available
2450 volatile int i=0;
2451 __asm__ volatile (
2452 "xorl %%ebp, %%ebp"
2453 ::: "%ebp");
2454 return i;
2455 EOF
2456
2457 # check whether EBX is available on x86
2458 check_asm ebx_available '""::"b"(0)' &&
2459 check_asm ebx_available '"":::"%ebx"'
2460
2461 # check whether more than 10 operands are supported
2462 check_cc <<EOF && enable ten_operands
2463 int main(void) {
2464 int x=0;
2465 __asm__ volatile(
2466 ""
2467 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2468 );
2469 return 0;
2470 }
2471 EOF
2472
2473 # check whether binutils is new enough to compile SSSE3/MMX2
2474 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2475 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2476
2477 check_asm bswap '"bswap %%eax" ::: "%eax"'
2478
2479 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2480 enabled x86_64 && append YASMFLAGS "-m amd64"
2481 enabled pic && append YASMFLAGS "-DPIC"
2482 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2483 case "$objformat" in
2484 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2485 esac
2486 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2487
2488 case "$cpu" in
2489 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2490 disable fast_clz
2491 ;;
2492 esac
2493
2494 fi
2495
2496 if check_func dlopen; then
2497 ldl=
2498 elif check_func dlopen -ldl; then
2499 ldl=-ldl
2500 fi
2501
2502 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2503 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2504
2505 check_func fork
2506 check_func getaddrinfo $network_extralibs
2507 check_func gethrtime
2508 check_func getrusage
2509 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2510 check_func inet_aton $network_extralibs
2511 check_func isatty
2512 check_func ${malloc_prefix}memalign && enable memalign
2513 check_func mkstemp
2514 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2515 check_func setrlimit
2516 check_func strerror_r
2517 check_func_headers io.h setmode
2518 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2519 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2520 check_func_headers windows.h GetProcessTimes
2521 check_func_headers windows.h VirtualAlloc
2522
2523 check_header conio.h
2524 check_header dlfcn.h
2525 check_header dxva2api.h
2526 check_header malloc.h
2527 check_header poll.h
2528 check_header sys/mman.h
2529 check_header sys/resource.h
2530 check_header sys/select.h
2531 check_header termios.h
2532 check_header vdpau/vdpau.h
2533 check_header vdpau/vdpau_x11.h
2534 check_header X11/extensions/XvMClib.h
2535
2536 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2537
2538 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2539 enabled_any $need_memalign ; then
2540 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2541 fi
2542
2543 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2544 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2545
2546 # check for some common methods of building with pthread support
2547 # do this before the optional library checks as some of them require pthreads
2548 if enabled pthreads; then
2549 if check_func pthread_create; then
2550 :
2551 elif check_func pthread_create -pthread; then
2552 add_cflags -pthread
2553 add_extralibs -pthread
2554 elif check_func pthread_create -pthreads; then
2555 add_cflags -pthreads
2556 add_extralibs -pthreads
2557 elif check_func pthread_create -lpthreadGC2; then
2558 add_extralibs -lpthreadGC2
2559 elif ! check_lib pthread.h pthread_create -lpthread; then
2560 die "ERROR: can't find pthreads library"
2561 fi
2562 fi
2563
2564 for thread in $THREADS_LIST; do
2565 if enabled $thread; then
2566 test -n "$thread_type" &&
2567 die "ERROR: Only one thread type must be selected." ||
2568 thread_type="$thread"
2569 fi
2570 done
2571
2572 check_lib math.h sin -lm
2573 disabled vaapi || check_lib va/va.h vaInitialize -lva
2574
2575 check_mathfunc exp2
2576 check_mathfunc exp2f
2577 check_mathfunc llrint
2578 check_mathfunc llrintf
2579 check_mathfunc log2
2580 check_mathfunc log2f
2581 check_mathfunc lrint
2582 check_mathfunc lrintf
2583 check_mathfunc round
2584 check_mathfunc roundf
2585 check_mathfunc truncf
2586
2587 # these are off by default, so fail if requested and not available
2588 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2589 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2590 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2591 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2592 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2593 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2594 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2595 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2596 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2597 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2598 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2599 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2600 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2601 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2602 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2603 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2604 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2605 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2606 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2607 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2608 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2609 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2610 die "ERROR: libx264 version must be >= 0.98."; }
2611 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2612 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2613
2614 # libdc1394 check
2615 if enabled libdc1394; then
2616 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2617 enable libdc1394_2; } ||
2618 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2619 enable libdc1394_1; } ||
2620 die "ERROR: No version of libdc1394 found "
2621 fi
2622
2623 SDL_CONFIG="${cross_prefix}sdl-config"
2624 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2625 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2626 sdl_libs=$("${SDL_CONFIG}" --libs)
2627 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2628 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2629 enable sdl &&
2630 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2631 fi
2632
2633 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2634
2635 if enabled network; then
2636 check_type "sys/types.h sys/socket.h" socklen_t
2637 check_type netdb.h "struct addrinfo"
2638 check_type netinet/in.h "struct ipv6_mreq"
2639 check_type netinet/in.h "struct sockaddr_in6"
2640 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2641 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2642 # Prefer arpa/inet.h over winsock2
2643 if check_header arpa/inet.h ; then
2644 check_func closesocket
2645 elif check_header winsock2.h ; then
2646 check_func_headers winsock2.h closesocket -lws2 && \
2647 network_extralibs="-lws2" || \
2648 { check_func_headers winsock2.h closesocket -lws2_32 && \
2649 network_extralibs="-lws2_32"; }
2650 check_type ws2tcpip.h socklen_t
2651 check_type ws2tcpip.h "struct addrinfo"
2652 check_type ws2tcpip.h "struct ipv6_mreq"
2653 check_type ws2tcpip.h "struct sockaddr_in6"
2654 check_type ws2tcpip.h "struct sockaddr_storage"
2655 check_struct winsock2.h "struct sockaddr" sa_len
2656 else
2657 disable network
2658 fi
2659 fi
2660
2661 check_header linux/videodev.h
2662 check_header linux/videodev2.h
2663 check_header sys/videoio.h
2664
2665 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2666
2667 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2668 { check_header dev/bktr/ioctl_meteor.h &&
2669 check_header dev/bktr/ioctl_bt848.h; } ||
2670 { check_header machine/ioctl_meteor.h &&
2671 check_header machine/ioctl_bt848.h; } ||
2672 { check_header dev/video/meteor/ioctl_meteor.h &&
2673 check_header dev/video/bktr/ioctl_bt848.h; } ||
2674 check_header dev/ic/bt8xx.h
2675
2676 check_header sys/soundcard.h
2677 check_header soundcard.h
2678
2679 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2680
2681 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2682
2683 enabled x11grab &&
2684 check_header X11/Xlib.h &&
2685 check_header X11/extensions/XShm.h &&
2686 check_header X11/extensions/Xfixes.h &&
2687 check_func XOpenDisplay -lX11 &&
2688 check_func XShmCreateImage -lX11 -lXext &&
2689 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2690
2691 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2692 check_cpp_condition \
2693 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2694 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2695 disable vdpau; }
2696 fi
2697
2698 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2699
2700 # add some useful compiler flags if supported
2701 check_cflags -Wdeclaration-after-statement
2702 check_cflags -Wall
2703 check_cflags -Wno-switch
2704 check_cflags -Wdisabled-optimization
2705 check_cflags -Wpointer-arith
2706 check_cflags -Wredundant-decls
2707 check_cflags -Wno-pointer-sign
2708 check_cflags -Wcast-qual
2709 check_cflags -Wwrite-strings
2710 check_cflags -Wtype-limits
2711 check_cflags -Wundef
2712 check_cflags -Wmissing-prototypes
2713 enabled extra_warnings && check_cflags -Winline
2714
2715 # add some linker flags
2716 check_ldflags -Wl,--warn-common
2717 check_ldflags -Wl,--as-needed
2718 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'
2719 check_ldflags -Wl,-Bsymbolic
2720
2721 echo "X{};" > $TMPV
2722 if test_ldflags -Wl,--version-script,$TMPV; then
2723 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2724 check_cc <<EOF && enable symver_asm_label
2725 void ff_foo(void) __asm__ ("av_foo@VERSION");
2726 void ff_foo(void) {}
2727 EOF
2728 check_cc <<EOF && enable symver_gnu_asm
2729 __asm__(".symver ff_foo,av_foo@VERSION");
2730 void ff_foo(void) {}
2731 EOF
2732 fi
2733
2734 if enabled small; then
2735 add_cflags $size_cflags
2736 optimizations="small"
2737 elif enabled optimizations; then
2738 add_cflags $speed_cflags
2739 else
2740 add_cflags $noopt_cflags
2741 fi
2742 check_cflags -fno-math-errno
2743 check_cflags -fno-signed-zeros
2744
2745 if enabled icc; then
2746 # Just warnings, no remarks
2747 check_cflags -w1
2748 # -wd: Disable following warnings
2749 # 144, 167, 556: -Wno-pointer-sign
2750 # 10006: ignoring unknown option -fno-signed-zeros
2751 # 10156: ignoring option '-W'; no argument required
2752 check_cflags -wd144,167,556,10006,10156
2753 # 11030: Warning unknown option --as-needed
2754 # 10156: ignoring option '-export'; no argument required
2755 check_ldflags -wd10156,11030
2756 # Allow to compile with optimizations
2757 check_ldflags -march=$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 enabled_any $THREADS_LIST && enable threads
2788
2789 check_deps $CONFIG_LIST \
2790 $CONFIG_EXTRA \
2791 $HAVE_LIST \
2792 $DECODER_LIST \
2793 $ENCODER_LIST \
2794 $HWACCEL_LIST \
2795 $PARSER_LIST \
2796 $BSF_LIST \
2797 $DEMUXER_LIST \
2798 $MUXER_LIST \
2799 $FILTER_LIST \
2800 $INDEV_LIST \
2801 $OUTDEV_LIST \
2802 $PROTOCOL_LIST \
2803
2804 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2805
2806 echo "install prefix $prefix"
2807 echo "source path $source_path"
2808 echo "C compiler $cc"
2809 echo "ARCH $arch ($cpu)"
2810 if test "$build_suffix" != ""; then
2811 echo "build suffix $build_suffix"
2812 fi
2813 if test "$extra_version" != ""; then
2814 echo "version string suffix $extra_version"
2815 fi
2816 echo "big-endian ${bigendian-no}"
2817 echo "runtime cpu detection ${runtime_cpudetect-no}"
2818 if enabled x86; then
2819 echo "yasm ${yasm-no}"
2820 echo "MMX enabled ${mmx-no}"
2821 echo "MMX2 enabled ${mmx2-no}"
2822 echo "3DNow! enabled ${amd3dnow-no}"
2823 echo "3DNow! extended enabled ${amd3dnowext-no}"
2824 echo "SSE enabled ${sse-no}"
2825 echo "SSSE3 enabled ${ssse3-no}"
2826 echo "CMOV enabled ${cmov-no}"
2827 echo "CMOV is fast ${fast_cmov-no}"
2828 echo "EBX available ${ebx_available-no}"
2829 echo "EBP available ${ebp_available-no}"
2830 echo "10 operands supported ${ten_operands-no}"
2831 fi
2832 if enabled arm; then
2833 echo "ARMv5TE enabled ${armv5te-no}"
2834 echo "ARMv6 enabled ${armv6-no}"
2835 echo "ARMv6T2 enabled ${armv6t2-no}"
2836 echo "ARM VFP enabled ${armvfp-no}"
2837 echo "IWMMXT enabled ${iwmmxt-no}"
2838 echo "NEON enabled ${neon-no}"
2839 fi
2840 if enabled mips; then
2841 echo "MMI enabled ${mmi-no}"
2842 fi
2843 if enabled ppc; then
2844 echo "AltiVec enabled ${altivec-no}"
2845 echo "PPC 4xx optimizations ${ppc4xx-no}"
2846 echo "dcbzl available ${dcbzl-no}"
2847 echo "performance report ${powerpc_perf-no}"
2848 fi
2849 if enabled sparc; then
2850 echo "VIS enabled ${vis-no}"
2851 fi
2852 echo "gprof enabled ${gprof-no}"
2853 echo "debug symbols ${debug-no}"
2854 echo "strip symbols ${stripping-no}"
2855 echo "optimizations ${optimizations-no}"
2856 echo "static ${static-no}"
2857 echo "shared ${shared-no}"
2858 echo "postprocessing support ${postproc-no}"
2859 echo "new filter support ${avfilter-no}"
2860 echo "filters using lavformat ${avfilter_lavf-no}"
2861 echo "network support ${network-no}"
2862 echo "threading support ${thread_type-no}"
2863 echo "SDL support ${sdl-no}"
2864 echo "Sun medialib support ${mlib-no}"
2865 echo "AVISynth enabled ${avisynth-no}"
2866 echo "libdc1394 support ${libdc1394-no}"
2867 echo "libdirac enabled ${libdirac-no}"
2868 echo "libfaac enabled ${libfaac-no}"
2869 echo "libfaad enabled ${libfaad-no}"
2870 echo "libfaad dlopened ${libfaadbin-no}"
2871 echo "libgsm enabled ${libgsm-no}"
2872 echo "libmp3lame enabled ${libmp3lame-no}"
2873 echo "libnut enabled ${libnut-no}"
2874 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2875 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2876 echo "libopenjpeg enabled ${libopenjpeg-no}"
2877 echo "librtmp enabled ${librtmp-no}"
2878 echo "libschroedinger enabled ${libschroedinger-no}"
2879 echo "libspeex enabled ${libspeex-no}"
2880 echo "libtheora enabled ${libtheora-no}"
2881 echo "libvorbis enabled ${libvorbis-no}"
2882 echo "libvpx enabled ${libvpx-no}"
2883 echo "libx264 enabled ${libx264-no}"
2884 echo "libxvid enabled ${libxvid-no}"
2885 echo "zlib enabled ${zlib-no}"
2886 echo "bzlib enabled ${bzlib-no}"
2887 echo
2888
2889 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2890 echo "Enabled ${type}s:"
2891 eval list=\$$(toupper $type)_LIST
2892 for part in $list; do
2893 enabled $part && echo ${part%_*}
2894 done | sort | pr -3 -t
2895 echo
2896 done
2897
2898 license="LGPL version 2.1 or later"
2899 if enabled nonfree; then
2900 license="nonfree and unredistributable"
2901 elif enabled gplv3; then
2902 license="GPL version 3 or later"
2903 elif enabled lgplv3; then
2904 license="LGPL version 3 or later"
2905 elif enabled gpl; then
2906 license="GPL version 2 or later"
2907 fi
2908
2909 echo "License: $license"
2910
2911 echo "Creating config.mak and config.h..."
2912
2913 # build tree in object directory if source path is different from current one
2914 if enabled source_path_used; then
2915 DIRS="
2916 doc
2917 libavcodec
2918 libavcodec/$arch
2919 libavdevice
2920 libavfilter
2921 libavformat
2922 libavutil
2923 libavutil/$arch
2924 libpostproc
2925 libswscale
2926 libswscale/$arch
2927 tests
2928 tools
2929 "
2930 FILES="
2931 Makefile
2932 common.mak
2933 subdir.mak
2934 doc/texi2pod.pl
2935 libavcodec/Makefile
2936 libavcodec/${arch}/Makefile
2937 libavdevice/Makefile
2938 libavfilter/Makefile
2939 libavformat/Makefile
2940 libavutil/Makefile
2941 libpostproc/Makefile
2942 libswscale/Makefile
2943 "
2944 map 'mkdir -p $v' $DIRS;
2945 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2946 fi
2947
2948 enabled stripping || strip="echo skipping strip"
2949
2950 cat > config.mak <<EOF
2951 # Automatically generated by configure - do not modify!
2952 ifndef FFMPEG_CONFIG_MAK
2953 FFMPEG_CONFIG_MAK=1
2954 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2955 prefix=$prefix
2956 LIBDIR=\$(DESTDIR)$libdir
2957 SHLIBDIR=\$(DESTDIR)$shlibdir
2958 INCDIR=\$(DESTDIR)$incdir
2959 BINDIR=\$(DESTDIR)$bindir
2960 DATADIR=\$(DESTDIR)$datadir
2961 MANDIR=\$(DESTDIR)$mandir
2962 SRC_PATH="$source_path"
2963 SRC_PATH_BARE=$source_path
2964 BUILD_ROOT="$PWD"
2965 ARCH=$arch
2966 CC=$cc
2967 AS=$as
2968 LD=$ld
2969 DEPCC=$dep_cc
2970 YASM=$yasmexe
2971 YASMDEP=$yasmexe
2972 AR=$ar
2973 RANLIB=$ranlib
2974 CP=cp -p
2975 LN_S=$ln_s
2976 STRIP=$strip
2977 CPPFLAGS=$CPPFLAGS
2978 CFLAGS=$CFLAGS
2979 ASFLAGS=$ASFLAGS
2980 CC_O=$CC_O
2981 LDFLAGS=$LDFLAGS
2982 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2983 SHFLAGS=$SHFLAGS
2984 YASMFLAGS=$YASMFLAGS
2985 BUILDSUF=$build_suffix
2986 FULLNAME=$FULLNAME
2987 LIBPREF=$LIBPREF
2988 LIBSUF=$LIBSUF
2989 LIBNAME=$LIBNAME
2990 SLIBPREF=$SLIBPREF
2991 SLIBSUF=$SLIBSUF
2992 EXESUF=$EXESUF
2993 EXTRA_VERSION=$extra_version
2994 DEPFLAGS=$DEPFLAGS
2995 CCDEP=$CCDEP
2996 ASDEP=$ASDEP
2997 CC_DEPFLAGS=$CC_DEPFLAGS
2998 AS_DEPFLAGS=$AS_DEPFLAGS
2999 HOSTCC=$host_cc
3000 HOSTCFLAGS=$host_cflags
3001 HOSTEXESUF=$HOSTEXESUF
3002 HOSTLDFLAGS=$host_ldflags
3003 HOSTLIBS=$host_libs
3004 TARGET_EXEC=$target_exec
3005 TARGET_PATH=$target_path
3006 SDL_LIBS=$sdl_libs
3007 SDL_CFLAGS=$sdl_cflags
3008 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3009 EXTRALIBS=$extralibs
3010 INSTALL=install
3011 LIBTARGET=${LIBTARGET}
3012 SLIBNAME=${SLIBNAME}
3013 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3014 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3015 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3016 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3017 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3018 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3019 SAMPLES=$samples
3020 EOF
3021
3022 get_version(){
3023 name=$1
3024 file=$source_path/$2
3025 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3026 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3027 lcname=$(tolower $name)
3028 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3029 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3030 }
3031
3032 get_version LIBSWSCALE libswscale/swscale.h
3033 get_version LIBPOSTPROC libpostproc/postprocess.h
3034 get_version LIBAVCODEC libavcodec/avcodec.h
3035 get_version LIBAVDEVICE libavdevice/avdevice.h
3036 get_version LIBAVFORMAT libavformat/avformat.h
3037 get_version LIBAVUTIL libavutil/avutil.h
3038 get_version LIBAVFILTER libavfilter/avfilter.h
3039
3040 cat > $TMPH <<EOF
3041 /* Automatically generated by configure - do not modify! */
3042 #ifndef FFMPEG_CONFIG_H
3043 #define FFMPEG_CONFIG_H
3044 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3045 #define FFMPEG_LICENSE "$(c_escape $license)"
3046 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3047 #define CC_TYPE "$cc_type"
3048 #define CC_VERSION $cc_version
3049 #define restrict $_restrict
3050 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3051 #define EXTERN_PREFIX "${extern_prefix}"
3052 #define EXTERN_ASM ${extern_prefix}
3053 EOF
3054
3055 test -n "$malloc_prefix" &&
3056 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3057
3058 if enabled small || disabled optimizations; then
3059 echo "#undef av_always_inline" >> $TMPH
3060 echo "#define av_always_inline" >> $TMPH
3061 fi
3062
3063 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3064 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3065 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3066 $CONFIG_EXTRA \
3067 $DECODER_LIST \
3068 $ENCODER_LIST \
3069 $HWACCEL_LIST \
3070 $PARSER_LIST \
3071 $BSF_LIST \
3072 $DEMUXER_LIST \
3073 $MUXER_LIST \
3074 $FILTER_LIST \
3075 $PROTOCOL_LIST \
3076 $INDEV_LIST \
3077 $OUTDEV_LIST \
3078
3079 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3080 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3081
3082 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3083 cp_if_changed $TMPH config.h
3084
3085 cat > $TMPH <<EOF
3086 /* Generated by ffconf */
3087 #ifndef AVUTIL_AVCONFIG_H
3088 #define AVUTIL_AVCONFIG_H
3089 EOF
3090
3091 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3092
3093 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3094
3095 cp_if_changed $TMPH libavutil/avconfig.h
3096
3097 # build pkg-config files
3098
3099 pkgconfig_generate(){
3100 name=$1
3101 shortname=${name#lib}${build_suffix}
3102 comment=$2
3103 version=$3
3104 libs=$4
3105 requires=$5
3106 cat <<EOF > $name/$name.pc
3107 prefix=$prefix
3108 exec_prefix=\${prefix}
3109 libdir=$libdir
3110 includedir=$incdir
3111
3112 Name: $name
3113 Description: $comment
3114 Version: $version
3115 Requires: $(enabled shared || echo $requires)
3116 Requires.private: $(enabled shared && echo $requires)
3117 Conflicts:
3118 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3119 Libs.private: $(enabled shared && echo $libs)
3120 Cflags: -I\${includedir}
3121 EOF
3122 cat <<EOF > $name/$name-uninstalled.pc
3123 prefix=
3124 exec_prefix=
3125 libdir=\${pcfiledir}
3126 includedir=${source_path}
3127
3128 Name: $name
3129 Description: $comment
3130 Version: $version
3131 Requires: $requires
3132 Conflicts:
3133 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3134 Cflags: -I\${includedir}
3135 EOF
3136 }
3137
3138 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3139 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3140 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3141 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3142 enabled avfilter &&
3143 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3144 enabled postproc &&
3145 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3146 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"