Haiku: Disable beosaudio for now, it's broken. We need -lnetwork.
[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 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_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 libvpx_decoder_deps="libvpx"
1353 libvpx_encoder_deps="libvpx"
1354 libx264_encoder_deps="libx264"
1355 libxvid_encoder_deps="libxvid"
1356
1357 # demuxers / muxers
1358 ac3_demuxer_deps="ac3_parser"
1359 asf_stream_muxer_select="asf_muxer"
1360 avisynth_demuxer_deps="avisynth"
1361 dirac_demuxer_deps="dirac_parser"
1362 eac3_demuxer_select="ac3_parser"
1363 ipod_muxer_select="mov_muxer"
1364 libnut_demuxer_deps="libnut"
1365 libnut_muxer_deps="libnut"
1366 matroska_audio_muxer_select="matroska_muxer"
1367 matroska_demuxer_suggest="zlib bzlib"
1368 mov_demuxer_suggest="zlib"
1369 mp3_demuxer_deps="mpegaudio_parser"
1370 mp4_muxer_select="mov_muxer"
1371 mpegtsraw_demuxer_select="mpegts_demuxer"
1372 mxf_d10_muxer_select="mxf_muxer"
1373 ogg_demuxer_select="golomb"
1374 psp_muxer_select="mov_muxer"
1375 rtsp_demuxer_deps="sdp_demuxer"
1376 rtsp_muxer_deps="sdp_demuxer"
1377 rtsp_muxer_select="rtp_muxer"
1378 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1379 sdp_demuxer_select="asf_demuxer rm_demuxer"
1380 spdif_muxer_select="aac_parser"
1381 tg2_muxer_select="mov_muxer"
1382 tgp_muxer_select="mov_muxer"
1383 w64_demuxer_deps="wav_demuxer"
1384
1385 # indevs / outdevs
1386 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387 alsa_indev_extralibs="-lasound"
1388 alsa_outdev_deps="alsa_asoundlib_h"
1389 alsa_outdev_extralibs="-lasound"
1390 audio_beos_indev_deps="audio_beos"
1391 audio_beos_indev_extralibs="-lmedia -lbe"
1392 audio_beos_outdev_deps="audio_beos"
1393 audio_beos_outdev_extralibs="-lmedia -lbe"
1394 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1395 dv1394_indev_deps="dv1394 dv_demuxer"
1396 jack_indev_deps="jack_jack_h"
1397 jack_indev_extralibs="-ljack"
1398 libdc1394_indev_deps="libdc1394"
1399 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1400 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1401 v4l_indev_deps="linux_videodev_h"
1402 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1403 vfwcap_indev_deps="capCreateCaptureWindow"
1404 vfwcap_indev_extralibs="-lavicap32"
1405 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1406 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1407
1408 # protocols
1409 gopher_protocol_deps="network"
1410 http_protocol_deps="network"
1411 http_protocol_select="tcp_protocol"
1412 mmst_protocol_deps="network"
1413 rtmp_protocol_select="tcp_protocol"
1414 rtp_protocol_select="udp_protocol"
1415 tcp_protocol_deps="network"
1416 udp_protocol_deps="network"
1417
1418 # filters
1419 movie_filter_deps="avfilter_lavf"
1420 avfilter_lavf_deps="avformat"
1421
1422 # libraries
1423 avdevice_deps="avcodec avformat"
1424 avformat_deps="avcodec"
1425
1426 # programs
1427 ffmpeg_deps="avcodec avformat swscale"
1428 ffmpeg_select="buffer_filter"
1429 ffplay_deps="avcodec avformat swscale sdl"
1430 ffplay_select="rdft"
1431 ffprobe_deps="avcodec avformat"
1432 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1433 ffserver_extralibs='$ldl'
1434
1435 doc_deps="texi2html"
1436
1437 # default parameters
1438
1439 logfile="config.err"
1440
1441 # installation paths
1442 prefix_default="/usr/local"
1443 bindir_default='${prefix}/bin'
1444 datadir_default='${prefix}/share/ffmpeg'
1445 incdir_default='${prefix}/include'
1446 libdir_default='${prefix}/lib'
1447 mandir_default='${prefix}/share/man'
1448 shlibdir_default="$libdir_default"
1449
1450 # toolchain
1451 ar_default="ar"
1452 cc_default="gcc"
1453 cc_version=\"unknown\"
1454 host_cc_default="gcc"
1455 ln_s="ln -sf"
1456 nm_default="nm"
1457 objformat="elf"
1458 ranlib="ranlib"
1459 strip_default="strip"
1460 yasmexe="yasm"
1461
1462 nm_opts='-g'
1463
1464 # machine
1465 arch_default=$(uname -m)
1466 cpu="generic"
1467
1468 # OS
1469 target_os_default=$(tolower $(uname -s))
1470 host_os=$target_os_default
1471
1472 # configurable options
1473 enable avcodec
1474 enable avdevice
1475 enable avfilter
1476 enable avformat
1477 enable avutil
1478 enable asm
1479 enable debug
1480 enable doc
1481 enable fastdiv
1482 enable ffmpeg
1483 enable ffplay
1484 enable ffprobe
1485 enable ffserver
1486 enable mpegaudio_hp
1487 enable network
1488 enable optimizations
1489 enable protocols
1490 enable static
1491 enable stripping
1492 enable swscale
1493 enable swscale_alpha
1494
1495 # build settings
1496 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1497 FFSERVERLDFLAGS=-Wl,-E
1498 LIBPREF="lib"
1499 LIBSUF=".a"
1500 FULLNAME='$(NAME)$(BUILDSUF)'
1501 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1502 SLIBPREF="lib"
1503 SLIBSUF=".so"
1504 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1505 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1506 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1507 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1508
1509 CC_O='-o $@'
1510
1511 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1512 host_libs='-lm'
1513
1514 target_path='$(CURDIR)'
1515
1516 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1517 # full relative path for objects in subdirectories for non-recursive Make.
1518 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1519 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1520
1521 # find source path
1522 source_path="$(dirname "$0")"
1523 enable source_path_used
1524 if test -f configure; then
1525 source_path="$(pwd)"
1526 disable source_path_used
1527 else
1528 source_path="$(cd "$source_path"; pwd)"
1529 echo "$source_path" | grep -q '[[:blank:]]' &&
1530 die "Out of tree builds are impossible with whitespace in source path."
1531 test -e "$source_path/config.h" &&
1532 die "Out of tree builds are impossible with config.h in source dir."
1533 fi
1534
1535 for v in "$@"; do
1536 r=${v#*=}
1537 l=${v%"$r"}
1538 r=$(sh_quote "$r")
1539 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1540 done
1541
1542 find_things(){
1543 thing=$1
1544 pattern=$2
1545 file=$source_path/$3
1546 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1547 }
1548
1549 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1550 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1551 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1552 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1553 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1554 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1555 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1556 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1557 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1558 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1559 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1560
1561 for n in $COMPONENT_LIST; do
1562 v=$(toupper ${n%s})_LIST
1563 eval enable \$$v
1564 eval ${n}_if_any="\$$v"
1565 done
1566
1567 enable $ARCH_EXT_LIST
1568
1569 die_unknown(){
1570 echo "Unknown option \"$1\"."
1571 echo "See $0 --help for available options."
1572 exit 1
1573 }
1574
1575 show_list() {
1576 suffix=_$1
1577 shift
1578 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1579 exit 0
1580 }
1581
1582 for opt do
1583 optval="${opt#*=}"
1584 case "$opt" in
1585 --extra-ldflags=*) add_ldflags $optval
1586 ;;
1587 --extra-libs=*) add_extralibs $optval
1588 ;;
1589 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1590 ;;
1591 --enable-debug=*) debuglevel="$optval"
1592 ;;
1593 --disable-everything)
1594 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1595 ;;
1596 --enable-*=*|--disable-*=*)
1597 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1598 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1599 eval list=\$$(toupper $thing)_LIST
1600 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1601 $action $(filter "$name" $list)
1602 ;;
1603 --enable-?*|--disable-?*)
1604 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1605 if is_in $option $COMPONENT_LIST; then
1606 test $action = disable && action=unset
1607 eval $action \$$(toupper ${option%s})_LIST
1608 elif is_in $option $CMDLINE_SELECT; then
1609 $action $option
1610 else
1611 die_unknown $opt
1612 fi
1613 ;;
1614 --list-*)
1615 NAME="${opt#--list-}"
1616 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1617 NAME=${NAME%s}
1618 eval show_list $NAME \$$(toupper $NAME)_LIST
1619 ;;
1620 --help|-h) show_help
1621 ;;
1622 *)
1623 optname="${opt%%=*}"
1624 optname="${optname#--}"
1625 optname=$(echo "$optname" | sed 's/-/_/g')
1626 if is_in $optname $CMDLINE_SET; then
1627 eval $optname='$optval'
1628 elif is_in $optname $CMDLINE_APPEND; then
1629 append $optname "$optval"
1630 else
1631 die_unknown $opt
1632 fi
1633 ;;
1634 esac
1635 done
1636
1637 disabled logging && logfile=/dev/null
1638
1639 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1640 set >> $logfile
1641
1642 test -n "$cross_prefix" && enable cross_compile
1643
1644 if enabled cross_compile; then
1645 test -n "$arch" && test -n "$target_os" ||
1646 die "Must specify target arch and OS when cross-compiling"
1647 fi
1648
1649 set_default arch target_os
1650
1651 ar_default="${cross_prefix}${ar_default}"
1652 cc_default="${cross_prefix}${cc_default}"
1653 nm_default="${cross_prefix}${nm_default}"
1654 ranlib="${cross_prefix}${ranlib}"
1655 strip_default="${cross_prefix}${strip_default}"
1656
1657 sysinclude_default="${sysroot}/usr/include"
1658
1659 set_default cc nm strip sysinclude
1660 enabled cross_compile || host_cc_default=$cc
1661 set_default host_cc
1662
1663 exesuf() {
1664 case $1 in
1665 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1666 esac
1667 }
1668
1669 EXESUF=$(exesuf $target_os)
1670 HOSTEXESUF=$(exesuf $host_os)
1671
1672 # set temporary file name
1673 : ${TMPDIR:=$TEMPDIR}
1674 : ${TMPDIR:=$TMP}
1675 : ${TMPDIR:=/tmp}
1676
1677 if ! check_cmd type mktemp; then
1678 # simple replacement for missing mktemp
1679 # NOT SAFE FOR GENERAL USE
1680 mktemp(){
1681 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1682 }
1683 fi
1684
1685 tmpfile(){
1686 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1687 (set -C; exec > $tmp) 2>/dev/null ||
1688 die "Unable to create temporary file in $TMPDIR."
1689 append TMPFILES $tmp
1690 eval $1=$tmp
1691 }
1692
1693 trap 'rm -f -- $TMPFILES' EXIT
1694 trap exit HUP INT TERM
1695
1696 tmpfile TMPC .c
1697 tmpfile TMPE $EXESUF
1698 tmpfile TMPH .h
1699 tmpfile TMPO .o
1700 tmpfile TMPS .S
1701 tmpfile TMPV .ver
1702 tmpfile TMPSH .sh
1703
1704 unset -f mktemp
1705
1706 # make sure we can execute files in $TMPDIR
1707 cat > $TMPSH 2>> $logfile <<EOF
1708 #! /bin/sh
1709 EOF
1710 chmod +x $TMPSH >> $logfile 2>&1
1711 if ! $TMPSH >> $logfile 2>&1; then
1712 cat <<EOF
1713 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1714 variable to another directory and make sure that it is not mounted noexec.
1715 EOF
1716 die "Sanity test failed."
1717 fi
1718
1719 filter_cflags=echo
1720 filter_cppflags=echo
1721 filter_asflags=echo
1722
1723 if $cc -v 2>&1 | grep -qi ^gcc; then
1724 cc_type=gcc
1725 cc_version=__VERSION__
1726 if ! $cc -dumpversion | grep -q '^2\.'; then
1727 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1728 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 fi
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
1732 elif $cc --version 2>/dev/null | grep -q Intel; then
1733 cc_type=icc
1734 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1735 CC_DEPFLAGS='-MMD'
1736 AS_DEPFLAGS='-MMD'
1737 speed_cflags='-O3'
1738 size_cflags='-Os'
1739 noopt_cflags='-O1'
1740 elif $cc -v 2>&1 | grep -q xlc; then
1741 cc_type=xlc
1742 cc_version="AV_STRINGIFY(__IBMC__)"
1743 speed_cflags='-O5'
1744 size_cflags='-O5 -qcompact'
1745 elif $cc -V 2>/dev/null | grep -q Compaq; then
1746 cc_type=ccc
1747 cc_version="AV_STRINGIFY(__DECC_VER)"
1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1749 debuglevel=3
1750 add_ldflags -Wl,-z,now # calls to libots crash without this
1751 speed_cflags='-fast'
1752 size_cflags='-O1'
1753 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1754 test -d "$sysroot" || die "No valid sysroot specified."
1755 cc_type=armcc
1756 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1757 armcc_conf="$PWD/armcc.conf"
1758 $cc --arm_linux_configure \
1759 --arm_linux_config_file="$armcc_conf" \
1760 --configure_sysroot="$sysroot" \
1761 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1762 die "Error creating armcc configuration file."
1763 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1764 as_default="${cross_prefix}gcc"
1765 CC_DEPFLAGS='-MMD'
1766 AS_DEPFLAGS='-MMD'
1767 speed_cflags='-O3'
1768 size_cflags='-Os'
1769 elif $cc -version 2>/dev/null | grep -q TMS470; then
1770 cc_type=tms470
1771 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1772 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1773 CC_O='-fr=$(@D)'
1774 as_default="${cross_prefix}gcc"
1775 ld_default="${cross_prefix}gcc"
1776 TMPO=$(basename $TMPC .c).o
1777 append TMPFILES $TMPO
1778 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1779 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1780 AS_DEPFLAGS='-MMD'
1781 speed_cflags='-O3 -mf=5'
1782 size_cflags='-O3 -mf=2'
1783 filter_cflags=tms470_flags
1784 tms470_flags(){
1785 for flag; do
1786 case $flag in
1787 -march=*|-mcpu=*)
1788 case "${flag#*=}" in
1789 armv7-a|cortex-a*) echo -mv=7a8 ;;
1790 armv7-r|cortex-r*) echo -mv=7r4 ;;
1791 armv7-m|cortex-m*) echo -mv=7m3 ;;
1792 armv6*|arm11*) echo -mv=6 ;;
1793 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1794 echo -mv=5e ;;
1795 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1796 esac
1797 ;;
1798 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1799 -mfpu=vfp) echo --float_support=vfpv2 ;;
1800 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1801 -msoft-float) echo --float_support=vfplib ;;
1802 -O[0-3]|-mf=*) echo $flag ;;
1803 -g) echo -g -mn ;;
1804 -pds=*) echo $flag ;;
1805 esac
1806 done
1807 }
1808 elif $cc -v 2>&1 | grep -q clang; then
1809 cc_type=clang
1810 cc_version=__VERSION__
1811 CC_DEPFLAGS='-MMD'
1812 AS_DEPFLAGS='-MMD'
1813 speed_cflags='-O3'
1814 size_cflags='-Os'
1815 elif $cc -V 2>&1 | grep -q Sun; then
1816 cc_type=suncc
1817 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1818 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1819 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1820 speed_cflags='-O5'
1821 size_cflags='-O5 -xspace'
1822 filter_cflags=suncc_flags
1823 suncc_flags(){
1824 for flag; do
1825 case $flag in
1826 -march=*|-mcpu=*)
1827 case "${flag#*=}" in
1828 native) echo -xtarget=native ;;
1829 v9|niagara) echo -xarch=sparc ;;
1830 ultrasparc) echo -xarch=sparcvis ;;
1831 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1832 i586|pentium) echo -xchip=pentium ;;
1833 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1834 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1835 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1836 pentium4*) echo -xtarget=pentium4 ;;
1837 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1838 *-sse3) echo -xarch=sse3 ;;
1839 core2) echo -xarch=ssse3 -xchip=core2 ;;
1840 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1841 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1842 k8|opteron|athlon64|athlon-fx)
1843 echo -xarch=sse2a ;;
1844 athlon*) echo -xarch=pentium_proa ;;
1845 esac
1846 ;;
1847 -std=c99) echo -xc99 ;;
1848 -fomit-frame-pointer) echo -xregs=frameptr ;;
1849 -fPIC) echo -KPIC -xcode=pic32 ;;
1850 -W*,*) echo $flag ;;
1851 -f*-*|-W*) ;;
1852 *) echo $flag ;;
1853 esac
1854 done
1855 }
1856 fi
1857
1858 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1859
1860 : ${as_default:=$cc}
1861 : ${dep_cc_default:=$cc}
1862 : ${ld_default:=$cc}
1863 set_default ar as dep_cc ld
1864
1865 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1866 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1867
1868 add_cflags $extra_cflags
1869 add_asflags $extra_cflags
1870
1871 if test -n "$sysroot"; then
1872 case "$cc_type" in
1873 gcc)
1874 add_cppflags --sysroot="$sysroot"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
1877 tms470)
1878 add_cppflags -I"$sysinclude"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
1881 clang)
1882 add_cppflags -isysroot "$sysroot"
1883 add_ldflags -isysroot "$sysroot"
1884 ;;
1885 esac
1886 fi
1887
1888 if test "$cpu" = host; then
1889 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1890
1891 case "$cc_type" in
1892 gcc)
1893 check_native(){
1894 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1895 sed -n "/$1=/{
1896 s/.*$1=\\([^ ]*\\).*/\\1/
1897 p
1898 q
1899 }" $TMPE
1900 }
1901 cpu=$(check_native -march || check_native -mcpu)
1902 ;;
1903 esac
1904
1905 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1906 fi
1907
1908 # Deal with common $arch aliases
1909 case "$arch" in
1910 arm*)
1911 arch="arm"
1912 ;;
1913 mips|mipsel|IP*)
1914 arch="mips"
1915 ;;
1916 mips64*)
1917 arch="mips"
1918 subarch="mips64"
1919 ;;
1920 parisc|hppa)
1921 arch="parisc"
1922 ;;
1923 parisc64|hppa64)
1924 arch="parisc"
1925 subarch="parisc64"
1926 ;;
1927 "Power Macintosh"|ppc|powerpc)
1928 arch="ppc"
1929 ;;
1930 ppc64|powerpc64)
1931 arch="ppc"
1932 subarch="ppc64"
1933 ;;
1934 s390|s390x)
1935 arch="s390"
1936 ;;
1937 sh4|sh)
1938 arch="sh4"
1939 ;;
1940 sun4u|sparc64)
1941 arch="sparc"
1942 subarch="sparc64"
1943 ;;
1944 i[3-6]86|i86pc|BePC|x86_64|amd64)
1945 arch="x86"
1946 ;;
1947 esac
1948
1949 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1950 enable $arch
1951
1952 # Add processor-specific flags
1953 if test "$cpu" = generic; then
1954 : do nothing
1955 elif enabled ppc; then
1956
1957 case $(tolower $cpu) in
1958 601|ppc601|powerpc601)
1959 cpuflags="-mcpu=601"
1960 disable altivec
1961 ;;
1962 603*|ppc603*|powerpc603*)
1963 cpuflags="-mcpu=603"
1964 disable altivec
1965 ;;
1966 604*|ppc604*|powerpc604*)
1967 cpuflags="-mcpu=604"
1968 disable altivec
1969 ;;
1970 g3|75*|ppc75*|powerpc75*)
1971 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1972 disable altivec
1973 ;;
1974 g4|745*|ppc745*|powerpc745*)
1975 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1976 ;;
1977 74*|ppc74*|powerpc74*)
1978 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1979 ;;
1980 g5|970|ppc970|powerpc970|power4*)
1981 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1982 ;;
1983 cell)
1984 cpuflags="-mcpu=cell"
1985 enable ldbrx
1986 ;;
1987 e500v2)
1988 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1989 disable altivec
1990 ;;
1991 e500)
1992 cpuflags="-mcpu=8540 -mhard-float"
1993 disable altivec
1994 ;;
1995 esac
1996
1997 elif enabled x86; then
1998
1999 case $cpu in
2000 i[345]86|pentium)
2001 cpuflags="-march=$cpu"
2002 disable mmx
2003 ;;
2004 # targets that do NOT support conditional mov (cmov)
2005 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2006 cpuflags="-march=$cpu"
2007 disable cmov
2008 ;;
2009 # targets that do support conditional mov (cmov)
2010 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 enable fast_cmov
2014 ;;
2015 # targets that do support conditional mov but on which it's slow
2016 pentium4|pentium4m|prescott|nocona)
2017 cpuflags="-march=$cpu"
2018 enable cmov
2019 disable fast_cmov
2020 ;;
2021 esac
2022
2023 elif enabled sparc; then
2024
2025 case $cpu in
2026 niagara)
2027 cpuflags="-mcpu=$cpu"
2028 disable vis
2029 ;;
2030 sparc64)
2031 cpuflags="-mcpu=v9"
2032 ;;
2033 esac
2034
2035 elif enabled arm; then
2036
2037 case $cpu in
2038 armv*)
2039 cpuflags="-march=$cpu"
2040 ;;
2041 *)
2042 cpuflags="-mcpu=$cpu"
2043 ;;
2044 esac
2045
2046 elif enabled alpha; then
2047
2048 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2049
2050 elif enabled bfin; then
2051
2052 cpuflags="-mcpu=$cpu"
2053
2054 elif enabled mips; then
2055
2056 cpuflags="-march=$cpu"
2057
2058 elif enabled avr32; then
2059
2060 case $cpu in
2061 ap7[02]0[0-2])
2062 subarch="avr32_ap"
2063 cpuflags="-mpart=$cpu"
2064 ;;
2065 ap)
2066 subarch="avr32_ap"
2067 cpuflags="-march=$cpu"
2068 ;;
2069 uc3[ab]*)
2070 subarch="avr32_uc"
2071 cpuflags="-mcpu=$cpu"
2072 ;;
2073 uc)
2074 subarch="avr32_uc"
2075 cpuflags="-march=$cpu"
2076 ;;
2077 esac
2078
2079 fi
2080
2081 add_cflags $cpuflags
2082 add_asflags $cpuflags
2083
2084 # compiler sanity check
2085 check_exec <<EOF
2086 int main(void){ return 0; }
2087 EOF
2088 if test "$?" != 0; then
2089 echo "$cc is unable to create an executable file."
2090 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2091 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2092 echo "Only do this if you know what cross compiling means."
2093 fi
2094 die "C compiler test failed."
2095 fi
2096
2097 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2098 check_cflags -std=c99
2099 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2100 #include <stdlib.h>
2101 EOF
2102 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2103 #include <stdlib.h>
2104 EOF
2105
2106 check_host_cflags -std=c99
2107
2108 case "$arch" in
2109 alpha|ia64|mips|parisc|sparc)
2110 spic=$shared
2111 ;;
2112 x86)
2113 subarch="x86_32"
2114 check_cc <<EOF && subarch="x86_64"
2115 int test[(int)sizeof(char*) - 7];
2116 EOF
2117 if test "$subarch" = "x86_64"; then
2118 spic=$shared
2119 fi
2120 ;;
2121 esac
2122
2123 enable $subarch
2124 enabled spic && enable pic
2125
2126 # OS specific
2127 case $target_os in
2128 haiku)
2129 prefix_default="/boot/common"
2130 disable audio_beos
2131 network_extralibs="-lnetwork"
2132 ;;
2133 sunos)
2134 FFSERVERLDFLAGS=""
2135 SHFLAGS='-shared -Wl,-h,$$(@F)'
2136 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2137 network_extralibs="-lsocket -lnsl"
2138 add_cppflags -D__EXTENSIONS__
2139 nm_opts='-P -g'
2140 ;;
2141 netbsd)
2142 oss_indev_extralibs="-lossaudio"
2143 oss_outdev_extralibs="-lossaudio"
2144 add_cppflags -D_XOPEN_SOURCE=600
2145 ;;
2146 openbsd)
2147 enable malloc_aligned
2148 # On OpenBSD 4.5. the compiler does not use PIC unless
2149 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2150 # however the generated executable will not do anything
2151 # (simply quits with exit-code 1, no crash, no output).
2152 # Thus explicitly enable PIC here.
2153 enable pic
2154 SHFLAGS='-shared'
2155 oss_indev_extralibs="-lossaudio"
2156 oss_outdev_extralibs="-lossaudio"
2157 ;;
2158 freebsd|dragonfly)
2159 enable malloc_aligned
2160 ;;
2161 bsd/os)
2162 osextralibs="-lpoll -lgnugetopt"
2163 strip="strip -d"
2164 ;;
2165 darwin)
2166 enable malloc_aligned
2167 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2168 strip="strip -x"
2169 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2170 SLIBSUF=".dylib"
2171 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2172 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2173 FFSERVERLDFLAGS=-Wl,-bind_at_load
2174 objformat="macho"
2175 enabled x86_64 && objformat="macho64"
2176 enabled_any pic shared ||
2177 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2178 ;;
2179 mingw32*)
2180 if test $target_os = "mingw32ce"; then
2181 disable network
2182 else
2183 target_os=mingw32
2184 fi
2185 LIBTARGET=i386
2186 if enabled x86_64; then
2187 enable malloc_aligned
2188 LIBTARGET=x64
2189 elif enabled arm; then
2190 LIBTARGET=arm
2191 fi
2192 shlibdir_default="$bindir_default"
2193 disable ffserver
2194 SLIBPREF=""
2195 SLIBSUF=".dll"
2196 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2197 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2198 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2199 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2200 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2201 install -d "$(LIBDIR)"; \
2202 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2203 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2204 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2205 objformat="win32"
2206 enable dos_paths
2207 check_cflags -fno-common
2208 if ! enabled x86_64; then
2209 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2210 die "ERROR: MinGW runtime version must be >= 3.15."
2211 enabled_any avisynth vfwcap_indev &&
2212 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2213 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2214 fi
2215 ;;
2216 cygwin*)
2217 target_os=cygwin
2218 shlibdir_default="$bindir_default"
2219 SLIBPREF="cyg"
2220 SLIBSUF=".dll"
2221 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2222 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2223 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2224 objformat="win32"
2225 enable dos_paths
2226 check_cflags -fno-common
2227 ;;
2228 *-dos|freedos|opendos)
2229 disable ffplay ffserver
2230 disable $INDEV_LIST $OUTDEV_LIST
2231 network_extralibs="-lsocket"
2232 objformat="coff"
2233 enable dos_paths
2234 ;;
2235 linux)
2236 enable dv1394
2237 ;;
2238 irix*)
2239 target_os=irix
2240 ranlib="echo ignoring ranlib"
2241 ;;
2242 os/2*)
2243 strip="lxlite"
2244 ln_s="cp -f"
2245 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2246 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2247 FFSERVERLDFLAGS=""
2248 LIBSUF="_s.a"
2249 SLIBPREF=""
2250 SLIBSUF=".dll"
2251 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2252 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2253 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2254 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2255 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2256 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2257 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2258 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2259 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2260 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2261 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2262 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2263 enable dos_paths
2264 ;;
2265 gnu/kfreebsd)
2266 ;;
2267 gnu)
2268 ;;
2269 none)
2270 ;;
2271 *)
2272 die "Unknown OS '$target_os'."
2273 ;;
2274 esac
2275
2276 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2277
2278 set_default $PATHS_LIST
2279
2280 add_extralibs $osextralibs
2281
2282 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2283 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2284
2285 # we need to build at least one lib type
2286 if ! enabled_any static shared; then
2287 cat <<EOF
2288 At least one library type must be built.
2289 Specify --enable-static to build the static libraries or --enable-shared to
2290 build the shared libraries as well. To only build the shared libraries specify
2291 --disable-static in addition to --enable-shared.
2292 EOF
2293 exit 1;
2294 fi
2295
2296 disabled static && LIBNAME=""
2297
2298 if enabled_any libfaad libfaadbin ; then
2299 if check_header faad.h; then
2300 check_cc <<EOF
2301 #include <faad.h>
2302 #ifndef FAAD2_VERSION
2303 ok faad1
2304 #endif
2305 int main(void) { return 0; }
2306 EOF
2307 test $? = 0 && enable libfaad2
2308 else
2309 die "FAAD test failed."
2310 fi
2311 fi
2312
2313
2314 die_license_disabled() {
2315 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2316 }
2317
2318 die_license_disabled gpl libfaad2
2319 die_license_disabled gpl libx264
2320 die_license_disabled gpl libxvid
2321 die_license_disabled gpl postproc
2322 die_license_disabled gpl x11grab
2323
2324 die_license_disabled nonfree libfaac
2325
2326 die_license_disabled version3 libopencore_amrnb
2327 die_license_disabled version3 libopencore_amrwb
2328
2329 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2330
2331 check_deps $ARCH_EXT_LIST
2332
2333 disabled optimizations || check_cflags -fomit-frame-pointer
2334
2335 enable_pic() {
2336 enable pic
2337 add_cppflags -DPIC
2338 add_cflags -fPIC
2339 add_asflags -fPIC
2340 }
2341
2342 enabled pic && enable_pic
2343
2344 check_cc <<EOF || die "Symbol mangling check failed."
2345 int ff_extern;
2346 EOF
2347 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2348 extern_prefix=${sym%%ff_extern*}
2349
2350 check_cc <<EOF && enable inline_asm
2351 void foo(void) { __asm__ volatile ("" ::); }
2352 EOF
2353
2354 _restrict=
2355 for restrict_keyword in restrict __restrict__ __restrict; do
2356 check_cc <<EOF && _restrict=$restrict_keyword && break
2357 void foo(char * $restrict_keyword p);
2358 EOF
2359 done
2360
2361 check_cc <<EOF && enable attribute_packed
2362 struct { int x; } __attribute__((packed)) x;
2363 EOF
2364
2365 check_cc <<EOF && enable attribute_may_alias
2366 union { int x; } __attribute__((may_alias)) x;
2367 EOF
2368
2369 check_cc <<EOF || die "endian test failed"
2370 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2371 EOF
2372 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2373
2374 if enabled alpha; then
2375
2376 check_cflags -mieee
2377
2378 elif enabled arm; then
2379
2380 check_cflags -marm
2381
2382 check_ld <<EOF && enable vfp_args
2383 __asm__ (".eabi_attribute 28, 1");
2384 int main(void) { return 0; }
2385 EOF
2386
2387 # We have to check if pld is a nop and disable it.
2388 check_asm pld '"pld [r0]"'
2389
2390 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2391 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2392 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2393 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2394 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2395 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2396
2397 enabled_all armv6t2 shared !pic && enable_pic
2398
2399 elif enabled mips; then
2400
2401 check_asm loongson '"dmult.g $1, $2, $3"'
2402 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2403
2404 elif enabled ppc; then
2405
2406 enable local_aligned_8 local_aligned_16
2407
2408 check_asm dcbzl '"dcbzl 0, 1"'
2409 check_asm ppc4xx '"maclhw r10, r11, r12"'
2410 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2411
2412 # AltiVec flags: The FSF version of GCC differs from the Apple version
2413 if enabled altivec; then
2414 check_cflags -maltivec -mabi=altivec &&
2415 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2416 check_cflags -faltivec
2417
2418 # check if our compiler supports Motorola AltiVec C API
2419 check_cc <<EOF || disable altivec
2420 $inc_altivec_h
2421 int main(void) {
2422 vector signed int v1, v2, v3;
2423 v1 = vec_add(v2,v3);
2424 return 0;
2425 }
2426 EOF
2427
2428 # check if our compiler supports braces for vector declarations
2429 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2430 $inc_altivec_h
2431 int main (void) { (vector int) {1}; return 0; }
2432 EOF
2433 fi
2434
2435 elif enabled sparc; then
2436
2437 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2438 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2439
2440 elif enabled x86; then
2441
2442 enable local_aligned_8 local_aligned_16
2443
2444 # check whether EBP is available on x86
2445 # As 'i' is stored on the stack, this program will crash
2446 # if the base pointer is used to access it because the
2447 # base pointer is cleared in the inline assembly code.
2448 check_exec_crash <<EOF && enable ebp_available
2449 volatile int i=0;
2450 __asm__ volatile (
2451 "xorl %%ebp, %%ebp"
2452 ::: "%ebp");
2453 return i;
2454 EOF
2455
2456 # check whether EBX is available on x86
2457 check_asm ebx_available '""::"b"(0)' &&
2458 check_asm ebx_available '"":::"%ebx"'
2459
2460 # check whether more than 10 operands are supported
2461 check_cc <<EOF && enable ten_operands
2462 int main(void) {
2463 int x=0;
2464 __asm__ volatile(
2465 ""
2466 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2467 );
2468 return 0;
2469 }
2470 EOF
2471
2472 # check whether binutils is new enough to compile SSSE3/MMX2
2473 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2474 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2475
2476 check_asm bswap '"bswap %%eax" ::: "%eax"'
2477
2478 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2479 enabled x86_64 && append YASMFLAGS "-m amd64"
2480 enabled pic && append YASMFLAGS "-DPIC"
2481 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2482 case "$objformat" in
2483 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2484 esac
2485 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2486
2487 case "$cpu" in
2488 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2489 disable fast_clz
2490 ;;
2491 esac
2492
2493 fi
2494
2495 if check_func dlopen; then
2496 ldl=
2497 elif check_func dlopen -ldl; then
2498 ldl=-ldl
2499 fi
2500
2501 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2502 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2503
2504 check_func fork
2505 check_func getaddrinfo $network_extralibs
2506 check_func gethrtime
2507 check_func getrusage
2508 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2509 check_func inet_aton $network_extralibs
2510 check_func isatty
2511 check_func ${malloc_prefix}memalign && enable memalign
2512 check_func mkstemp
2513 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2514 check_func setrlimit
2515 check_func strerror_r
2516 check_func_headers io.h setmode
2517 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2518 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2519 check_func_headers windows.h GetProcessTimes
2520 check_func_headers windows.h VirtualAlloc
2521
2522 check_header conio.h
2523 check_header dlfcn.h
2524 check_header dxva2api.h
2525 check_header malloc.h
2526 check_header poll.h
2527 check_header sys/mman.h
2528 check_header sys/resource.h
2529 check_header sys/select.h
2530 check_header termios.h
2531 check_header vdpau/vdpau.h
2532 check_header vdpau/vdpau_x11.h
2533 check_header X11/extensions/XvMClib.h
2534
2535 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2536
2537 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2538 enabled_any $need_memalign ; then
2539 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2540 fi
2541
2542 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2543 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2544
2545 # check for some common methods of building with pthread support
2546 # do this before the optional library checks as some of them require pthreads
2547 if enabled pthreads; then
2548 if check_func pthread_create; then
2549 :
2550 elif check_func pthread_create -pthread; then
2551 add_cflags -pthread
2552 add_extralibs -pthread
2553 elif check_func pthread_create -pthreads; then
2554 add_cflags -pthreads
2555 add_extralibs -pthreads
2556 elif check_func pthread_create -lpthreadGC2; then
2557 add_extralibs -lpthreadGC2
2558 elif ! check_lib pthread.h pthread_create -lpthread; then
2559 die "ERROR: can't find pthreads library"
2560 fi
2561 fi
2562
2563 for thread in $THREADS_LIST; do
2564 if enabled $thread; then
2565 test -n "$thread_type" &&
2566 die "ERROR: Only one thread type must be selected." ||
2567 thread_type="$thread"
2568 fi
2569 done
2570
2571 check_lib math.h sin -lm
2572 disabled vaapi || check_lib va/va.h vaInitialize -lva
2573
2574 check_mathfunc exp2
2575 check_mathfunc exp2f
2576 check_mathfunc llrint
2577 check_mathfunc llrintf
2578 check_mathfunc log2
2579 check_mathfunc log2f
2580 check_mathfunc lrint
2581 check_mathfunc lrintf
2582 check_mathfunc round
2583 check_mathfunc roundf
2584 check_mathfunc truncf
2585
2586 # these are off by default, so fail if requested and not available
2587 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2588 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2589 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2590 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2591 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2592 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2593 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2594 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2595 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2596 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2597 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2598 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2599 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2600 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2601 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2602 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2603 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2604 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2605 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2606 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2607 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2608 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2609 die "ERROR: libx264 version must be >= 0.98."; }
2610 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2611 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2612
2613 # libdc1394 check
2614 if enabled libdc1394; then
2615 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2616 enable libdc1394_2; } ||
2617 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2618 enable libdc1394_1; } ||
2619 die "ERROR: No version of libdc1394 found "
2620 fi
2621
2622 SDL_CONFIG="${cross_prefix}sdl-config"
2623 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2624 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2625 sdl_libs=$("${SDL_CONFIG}" --libs)
2626 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2627 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2628 enable sdl &&
2629 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2630 fi
2631
2632 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2633
2634 if enabled network; then
2635 check_type "sys/types.h sys/socket.h" socklen_t
2636 check_type netdb.h "struct addrinfo"
2637 check_type netinet/in.h "struct ipv6_mreq"
2638 check_type netinet/in.h "struct sockaddr_in6"
2639 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2640 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2641 # Prefer arpa/inet.h over winsock2
2642 if check_header arpa/inet.h ; then
2643 check_func closesocket
2644 elif check_header winsock2.h ; then
2645 check_func_headers winsock2.h closesocket -lws2 && \
2646 network_extralibs="-lws2" || \
2647 { check_func_headers winsock2.h closesocket -lws2_32 && \
2648 network_extralibs="-lws2_32"; }
2649 check_type ws2tcpip.h socklen_t
2650 check_type ws2tcpip.h "struct addrinfo"
2651 check_type ws2tcpip.h "struct ipv6_mreq"
2652 check_type ws2tcpip.h "struct sockaddr_in6"
2653 check_type ws2tcpip.h "struct sockaddr_storage"
2654 check_struct winsock2.h "struct sockaddr" sa_len
2655 else
2656 disable network
2657 fi
2658 fi
2659
2660 check_header linux/videodev.h
2661 check_header linux/videodev2.h
2662 check_header sys/videoio.h
2663
2664 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2665
2666 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2667 { check_header dev/bktr/ioctl_meteor.h &&
2668 check_header dev/bktr/ioctl_bt848.h; } ||
2669 { check_header machine/ioctl_meteor.h &&
2670 check_header machine/ioctl_bt848.h; } ||
2671 { check_header dev/video/meteor/ioctl_meteor.h &&
2672 check_header dev/video/bktr/ioctl_bt848.h; } ||
2673 check_header dev/ic/bt8xx.h
2674
2675 check_header sys/soundcard.h
2676 check_header soundcard.h
2677
2678 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2679
2680 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2681
2682 enabled x11grab &&
2683 check_header X11/Xlib.h &&
2684 check_header X11/extensions/XShm.h &&
2685 check_header X11/extensions/Xfixes.h &&
2686 check_func XOpenDisplay -lX11 &&
2687 check_func XShmCreateImage -lX11 -lXext &&
2688 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2689
2690 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2691 check_cpp_condition \
2692 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2693 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2694 disable vdpau; }
2695 fi
2696
2697 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2698
2699 # add some useful compiler flags if supported
2700 check_cflags -Wdeclaration-after-statement
2701 check_cflags -Wall
2702 check_cflags -Wno-switch
2703 check_cflags -Wdisabled-optimization
2704 check_cflags -Wpointer-arith
2705 check_cflags -Wredundant-decls
2706 check_cflags -Wno-pointer-sign
2707 check_cflags -Wcast-qual
2708 check_cflags -Wwrite-strings
2709 check_cflags -Wtype-limits
2710 check_cflags -Wundef
2711 check_cflags -Wmissing-prototypes
2712 enabled extra_warnings && check_cflags -Winline
2713
2714 # add some linker flags
2715 check_ldflags -Wl,--warn-common
2716 check_ldflags -Wl,--as-needed
2717 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'
2718 check_ldflags -Wl,-Bsymbolic
2719
2720 echo "X{};" > $TMPV
2721 test_ldflags -Wl,--version-script,$TMPV &&
2722 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2723
2724 if enabled small; then
2725 add_cflags $size_cflags
2726 optimizations="small"
2727 elif enabled optimizations; then
2728 add_cflags $speed_cflags
2729 else
2730 add_cflags $noopt_cflags
2731 fi
2732 check_cflags -fno-math-errno
2733 check_cflags -fno-signed-zeros
2734
2735 if enabled icc; then
2736 # Just warnings, no remarks
2737 check_cflags -w1
2738 # -wd: Disable following warnings
2739 # 144, 167, 556: -Wno-pointer-sign
2740 # 10006: ignoring unknown option -fno-signed-zeros
2741 # 10156: ignoring option '-W'; no argument required
2742 check_cflags -wd144,167,556,10006,10156
2743 # 11030: Warning unknown option --as-needed
2744 # 10156: ignoring option '-export'; no argument required
2745 check_ldflags -wd10156,11030
2746 # Allow to compile with optimizations
2747 check_ldflags -march=$cpu
2748 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2749 enable ebp_available
2750 elif enabled ccc; then
2751 # disable some annoying warnings
2752 add_cflags -msg_disable cvtu32to64
2753 add_cflags -msg_disable embedcomment
2754 add_cflags -msg_disable needconstext
2755 add_cflags -msg_disable nomainieee
2756 add_cflags -msg_disable ptrmismatch1
2757 add_cflags -msg_disable unreachcode
2758 elif enabled gcc; then
2759 check_cflags -fno-tree-vectorize
2760 check_cflags -Werror=implicit
2761 check_cflags -Werror=missing-prototypes
2762 elif enabled clang; then
2763 check_cflags -Qunused-arguments
2764 elif enabled armcc; then
2765 # 2523: use of inline assembler is deprecated
2766 add_cflags -Wrvct,--diag_suppress=2523
2767 add_cflags -Wrvct,--diag_suppress=1207
2768 elif enabled tms470; then
2769 add_cflags -pds=824 -pds=837
2770 fi
2771
2772 if enabled gprof; then
2773 add_cflags -p
2774 add_ldflags -p
2775 fi
2776
2777 enabled_any $THREADS_LIST && enable threads
2778
2779 check_deps $CONFIG_LIST \
2780 $CONFIG_EXTRA \
2781 $HAVE_LIST \
2782 $DECODER_LIST \
2783 $ENCODER_LIST \
2784 $HWACCEL_LIST \
2785 $PARSER_LIST \
2786 $BSF_LIST \
2787 $DEMUXER_LIST \
2788 $MUXER_LIST \
2789 $FILTER_LIST \
2790 $INDEV_LIST \
2791 $OUTDEV_LIST \
2792 $PROTOCOL_LIST \
2793
2794 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2795
2796 echo "install prefix $prefix"
2797 echo "source path $source_path"
2798 echo "C compiler $cc"
2799 echo "ARCH $arch ($cpu)"
2800 if test "$build_suffix" != ""; then
2801 echo "build suffix $build_suffix"
2802 fi
2803 if test "$extra_version" != ""; then
2804 echo "version string suffix $extra_version"
2805 fi
2806 echo "big-endian ${bigendian-no}"
2807 echo "runtime cpu detection ${runtime_cpudetect-no}"
2808 if enabled x86; then
2809 echo "yasm ${yasm-no}"
2810 echo "MMX enabled ${mmx-no}"
2811 echo "MMX2 enabled ${mmx2-no}"
2812 echo "3DNow! enabled ${amd3dnow-no}"
2813 echo "3DNow! extended enabled ${amd3dnowext-no}"
2814 echo "SSE enabled ${sse-no}"
2815 echo "SSSE3 enabled ${ssse3-no}"
2816 echo "CMOV enabled ${cmov-no}"
2817 echo "CMOV is fast ${fast_cmov-no}"
2818 echo "EBX available ${ebx_available-no}"
2819 echo "EBP available ${ebp_available-no}"
2820 echo "10 operands supported ${ten_operands-no}"
2821 fi
2822 if enabled arm; then
2823 echo "ARMv5TE enabled ${armv5te-no}"
2824 echo "ARMv6 enabled ${armv6-no}"
2825 echo "ARMv6T2 enabled ${armv6t2-no}"
2826 echo "ARM VFP enabled ${armvfp-no}"
2827 echo "IWMMXT enabled ${iwmmxt-no}"
2828 echo "NEON enabled ${neon-no}"
2829 fi
2830 if enabled mips; then
2831 echo "MMI enabled ${mmi-no}"
2832 fi
2833 if enabled ppc; then
2834 echo "AltiVec enabled ${altivec-no}"
2835 echo "PPC 4xx optimizations ${ppc4xx-no}"
2836 echo "dcbzl available ${dcbzl-no}"
2837 echo "performance report ${powerpc_perf-no}"
2838 fi
2839 if enabled sparc; then
2840 echo "VIS enabled ${vis-no}"
2841 fi
2842 echo "gprof enabled ${gprof-no}"
2843 echo "debug symbols ${debug-no}"
2844 echo "strip symbols ${stripping-no}"
2845 echo "optimizations ${optimizations-no}"
2846 echo "static ${static-no}"
2847 echo "shared ${shared-no}"
2848 echo "postprocessing support ${postproc-no}"
2849 echo "new filter support ${avfilter-no}"
2850 echo "filters using lavformat ${avfilter_lavf-no}"
2851 echo "network support ${network-no}"
2852 echo "threading support ${thread_type-no}"
2853 echo "SDL support ${sdl-no}"
2854 echo "Sun medialib support ${mlib-no}"
2855 echo "AVISynth enabled ${avisynth-no}"
2856 echo "libdc1394 support ${libdc1394-no}"
2857 echo "libdirac enabled ${libdirac-no}"
2858 echo "libfaac enabled ${libfaac-no}"
2859 echo "libfaad enabled ${libfaad-no}"
2860 echo "libfaad dlopened ${libfaadbin-no}"
2861 echo "libgsm enabled ${libgsm-no}"
2862 echo "libmp3lame enabled ${libmp3lame-no}"
2863 echo "libnut enabled ${libnut-no}"
2864 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2865 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2866 echo "libopenjpeg enabled ${libopenjpeg-no}"
2867 echo "librtmp enabled ${librtmp-no}"
2868 echo "libschroedinger enabled ${libschroedinger-no}"
2869 echo "libspeex enabled ${libspeex-no}"
2870 echo "libtheora enabled ${libtheora-no}"
2871 echo "libvorbis enabled ${libvorbis-no}"
2872 echo "libvpx enabled ${libvpx-no}"
2873 echo "libx264 enabled ${libx264-no}"
2874 echo "libxvid enabled ${libxvid-no}"
2875 echo "zlib enabled ${zlib-no}"
2876 echo "bzlib enabled ${bzlib-no}"
2877 echo
2878
2879 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2880 echo "Enabled ${type}s:"
2881 eval list=\$$(toupper $type)_LIST
2882 for part in $list; do
2883 enabled $part && echo ${part%_*}
2884 done | sort | pr -3 -t
2885 echo
2886 done
2887
2888 license="LGPL version 2.1 or later"
2889 if enabled nonfree; then
2890 license="nonfree and unredistributable"
2891 elif enabled gplv3; then
2892 license="GPL version 3 or later"
2893 elif enabled lgplv3; then
2894 license="LGPL version 3 or later"
2895 elif enabled gpl; then
2896 license="GPL version 2 or later"
2897 fi
2898
2899 echo "License: $license"
2900
2901 echo "Creating config.mak and config.h..."
2902
2903 # build tree in object directory if source path is different from current one
2904 if enabled source_path_used; then
2905 DIRS="
2906 doc
2907 libavcodec
2908 libavcodec/$arch
2909 libavdevice
2910 libavfilter
2911 libavformat
2912 libavutil
2913 libavutil/$arch
2914 libpostproc
2915 libswscale
2916 libswscale/$arch
2917 tests
2918 tools
2919 "
2920 FILES="
2921 Makefile
2922 common.mak
2923 subdir.mak
2924 doc/texi2pod.pl
2925 libavcodec/Makefile
2926 libavcodec/${arch}/Makefile
2927 libavdevice/Makefile
2928 libavfilter/Makefile
2929 libavformat/Makefile
2930 libavutil/Makefile
2931 libpostproc/Makefile
2932 libswscale/Makefile
2933 "
2934 map 'mkdir -p $v' $DIRS;
2935 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2936 fi
2937
2938 enabled stripping || strip="echo skipping strip"
2939
2940 cat > config.mak <<EOF
2941 # Automatically generated by configure - do not modify!
2942 ifndef FFMPEG_CONFIG_MAK
2943 FFMPEG_CONFIG_MAK=1
2944 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2945 prefix=$prefix
2946 LIBDIR=\$(DESTDIR)$libdir
2947 SHLIBDIR=\$(DESTDIR)$shlibdir
2948 INCDIR=\$(DESTDIR)$incdir
2949 BINDIR=\$(DESTDIR)$bindir
2950 DATADIR=\$(DESTDIR)$datadir
2951 MANDIR=\$(DESTDIR)$mandir
2952 SRC_PATH="$source_path"
2953 SRC_PATH_BARE=$source_path
2954 BUILD_ROOT="$PWD"
2955 ARCH=$arch
2956 CC=$cc
2957 AS=$as
2958 LD=$ld
2959 DEPCC=$dep_cc
2960 YASM=$yasmexe
2961 YASMDEP=$yasmexe
2962 AR=$ar
2963 RANLIB=$ranlib
2964 CP=cp -p
2965 LN_S=$ln_s
2966 STRIP=$strip
2967 CPPFLAGS=$CPPFLAGS
2968 CFLAGS=$CFLAGS
2969 ASFLAGS=$ASFLAGS
2970 CC_O=$CC_O
2971 LDFLAGS=$LDFLAGS
2972 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2973 SHFLAGS=$SHFLAGS
2974 YASMFLAGS=$YASMFLAGS
2975 BUILDSUF=$build_suffix
2976 FULLNAME=$FULLNAME
2977 LIBPREF=$LIBPREF
2978 LIBSUF=$LIBSUF
2979 LIBNAME=$LIBNAME
2980 SLIBPREF=$SLIBPREF
2981 SLIBSUF=$SLIBSUF
2982 EXESUF=$EXESUF
2983 EXTRA_VERSION=$extra_version
2984 DEPFLAGS=$DEPFLAGS
2985 CCDEP=$CCDEP
2986 ASDEP=$ASDEP
2987 CC_DEPFLAGS=$CC_DEPFLAGS
2988 AS_DEPFLAGS=$AS_DEPFLAGS
2989 HOSTCC=$host_cc
2990 HOSTCFLAGS=$host_cflags
2991 HOSTEXESUF=$HOSTEXESUF
2992 HOSTLDFLAGS=$host_ldflags
2993 HOSTLIBS=$host_libs
2994 TARGET_EXEC=$target_exec
2995 TARGET_PATH=$target_path
2996 SDL_LIBS=$sdl_libs
2997 SDL_CFLAGS=$sdl_cflags
2998 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2999 EXTRALIBS=$extralibs
3000 INSTALL=install
3001 LIBTARGET=${LIBTARGET}
3002 SLIBNAME=${SLIBNAME}
3003 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3004 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3005 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3006 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3007 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3008 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3009 SAMPLES=$samples
3010 EOF
3011
3012 get_version(){
3013 name=$1
3014 file=$source_path/$2
3015 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3016 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3017 lcname=$(tolower $name)
3018 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3019 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3020 }
3021
3022 get_version LIBSWSCALE libswscale/swscale.h
3023 get_version LIBPOSTPROC libpostproc/postprocess.h
3024 get_version LIBAVCODEC libavcodec/avcodec.h
3025 get_version LIBAVDEVICE libavdevice/avdevice.h
3026 get_version LIBAVFORMAT libavformat/avformat.h
3027 get_version LIBAVUTIL libavutil/avutil.h
3028 get_version LIBAVFILTER libavfilter/avfilter.h
3029
3030 cat > $TMPH <<EOF
3031 /* Automatically generated by configure - do not modify! */
3032 #ifndef FFMPEG_CONFIG_H
3033 #define FFMPEG_CONFIG_H
3034 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3035 #define FFMPEG_LICENSE "$(c_escape $license)"
3036 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3037 #define CC_TYPE "$cc_type"
3038 #define CC_VERSION $cc_version
3039 #define restrict $_restrict
3040 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3041 #define EXTERN_PREFIX "${extern_prefix}"
3042 #define EXTERN_ASM ${extern_prefix}
3043 EOF
3044
3045 test -n "$malloc_prefix" &&
3046 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3047
3048 if enabled small || disabled optimizations; then
3049 echo "#undef av_always_inline" >> $TMPH
3050 echo "#define av_always_inline" >> $TMPH
3051 fi
3052
3053 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3054 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3055 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3056 $CONFIG_EXTRA \
3057 $DECODER_LIST \
3058 $ENCODER_LIST \
3059 $HWACCEL_LIST \
3060 $PARSER_LIST \
3061 $BSF_LIST \
3062 $DEMUXER_LIST \
3063 $MUXER_LIST \
3064 $FILTER_LIST \
3065 $PROTOCOL_LIST \
3066 $INDEV_LIST \
3067 $OUTDEV_LIST \
3068
3069 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3070 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3071
3072 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3073 cp_if_changed $TMPH config.h
3074
3075 cat > $TMPH <<EOF
3076 /* Generated by ffconf */
3077 #ifndef AVUTIL_AVCONFIG_H
3078 #define AVUTIL_AVCONFIG_H
3079 EOF
3080
3081 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3082
3083 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3084
3085 cp_if_changed $TMPH libavutil/avconfig.h
3086
3087 # build pkg-config files
3088
3089 pkgconfig_generate(){
3090 name=$1
3091 shortname=${name#lib}${build_suffix}
3092 comment=$2
3093 version=$3
3094 libs=$4
3095 requires=$5
3096 cat <<EOF > $name/$name.pc
3097 prefix=$prefix
3098 exec_prefix=\${prefix}
3099 libdir=$libdir
3100 includedir=$incdir
3101
3102 Name: $name
3103 Description: $comment
3104 Version: $version
3105 Requires: $(enabled shared || echo $requires)
3106 Requires.private: $(enabled shared && echo $requires)
3107 Conflicts:
3108 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3109 Libs.private: $(enabled shared && echo $libs)
3110 Cflags: -I\${includedir}
3111 EOF
3112 cat <<EOF > $name/$name-uninstalled.pc
3113 prefix=
3114 exec_prefix=
3115 libdir=\${pcfiledir}
3116 includedir=${source_path}
3117
3118 Name: $name
3119 Description: $comment
3120 Version: $version
3121 Requires: $requires
3122 Conflicts:
3123 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3124 Cflags: -I\${includedir}
3125 EOF
3126 }
3127
3128 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3129 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3130 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3131 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3132 enabled avfilter &&
3133 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3134 enabled postproc &&
3135 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3136 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"