b572a9aeedec8af7d7e016bb64c1c251106c4f23
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
86 --disable-avdevice disable libavdevice build
87 --disable-avcodec disable libavcodec build
88 --disable-avformat disable libavformat build
89 --disable-swscale disable libswscale build
90 --enable-postproc enable GPLed postprocessing support [no]
91 --enable-avfilter video filter support [no]
92 --enable-avfilter-lavf video filters dependent on avformat [no]
93 --enable-beosthreads use BeOS threads [no]
94 --enable-os2threads use OS/2 threads [no]
95 --enable-pthreads use pthreads [no]
96 --enable-w32threads use Win32 threads [no]
97 --enable-x11grab enable X11 grabbing [no]
98 --disable-network disable network support [no]
99 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
100 --enable-gray enable full grayscale support (slower color)
101 --disable-swscale-alpha disable alpha channel support in swscale
102 --disable-fastdiv disable table-based division
103 --enable-small optimize for size instead of speed
104 --disable-aandct disable AAN DCT code
105 --disable-dct disable DCT code
106 --disable-fft disable FFT code
107 --disable-golomb disable Golomb code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --enable-beos-netserver enable BeOS netserver
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfaad enable FAAD support via libfaad [no]
172 --enable-libfaadbin open libfaad.so.0 at runtime [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
183 --enable-libx264 enable H.264 encoding via x264 [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189 Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
216 --disable-asm disable all assembler optimizations
217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
234 --malloc-prefix=PFX prefix malloc and related names with PFX
235 --enable-sram allow use of on-chip SRAM
236
237 Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
244
245 NOTE: Object files are built at the place where configure is launched.
246 EOF
247 exit 0
248 }
249
250 log(){
251 echo "$@" >> $logfile
252 }
253
254 log_file(){
255 log BEGIN $1
256 pr -n -t $1 >> $logfile
257 log END $1
258 }
259
260 echolog(){
261 log "$@"
262 echo "$@"
263 }
264
265 die(){
266 echolog "$@"
267 cat <<EOF
268
269 If you think configure made a mistake, make sure you are using the latest
270 version from SVN. If the latest version fails, report the problem to the
271 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
272 EOF
273 if disabled logging; then
274 cat <<EOF
275 Rerun configure with logging enabled (do not use --disable-logging), and
276 include the log this produces with your report.
277 EOF
278 else
279 cat <<EOF
280 Include the log file "$logfile" produced by configure as this will help
281 solving the problem.
282 EOF
283 fi
284 exit 1
285 }
286
287 # Avoid locale weirdness, besides we really just want to translate ASCII.
288 toupper(){
289 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
290 }
291
292 tolower(){
293 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
294 }
295
296 c_escape(){
297 echo "$*" | sed 's/["\\]/\\\0/g'
298 }
299
300 sh_quote(){
301 v=$(echo "$1" | sed "s/'/'\\\\''/g")
302 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303 echo "$v"
304 }
305
306 filter(){
307 pat=$1
308 shift
309 for v; do
310 eval "case $v in $pat) echo $v ;; esac"
311 done
312 }
313
314 set_all(){
315 value=$1
316 shift
317 for var in $*; do
318 eval $var=$value
319 done
320 }
321
322 set_weak(){
323 value=$1
324 shift
325 for var; do
326 eval : \${$var:=$value}
327 done
328 }
329
330 pushvar(){
331 for var in $*; do
332 eval level=\${${var}_level:=0}
333 eval ${var}_${level}="\$$var"
334 eval ${var}_level=$(($level+1))
335 done
336 }
337
338 popvar(){
339 for var in $*; do
340 eval level=\${${var}_level:-0}
341 test $level = 0 && continue
342 eval level=$(($level-1))
343 eval $var="\${${var}_${level}}"
344 eval ${var}_level=$level
345 eval unset ${var}_${level}
346 done
347 }
348
349 enable(){
350 set_all yes $*
351 }
352
353 disable(){
354 set_all no $*
355 }
356
357 enable_weak(){
358 set_weak yes $*
359 }
360
361 disable_weak(){
362 set_weak no $*
363 }
364
365 enable_safe(){
366 for var; do
367 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368 done
369 }
370
371 disable_safe(){
372 for var; do
373 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374 done
375 }
376
377 do_enable_deep(){
378 for var; do
379 enabled $var && continue
380 eval sel="\$${var}_select"
381 eval sgs="\$${var}_suggest"
382 pushvar var sgs
383 enable_deep $sel
384 popvar sgs
385 enable_deep_weak $sgs
386 popvar var
387 done
388 }
389
390 enable_deep(){
391 do_enable_deep $*
392 enable $*
393 }
394
395 enable_deep_weak(){
396 do_enable_deep $*
397 enable_weak $*
398 }
399
400 enabled(){
401 test "${1#!}" = "$1" && op== || op=!=
402 eval test "x\$${1#!}" $op "xyes"
403 }
404
405 disabled(){
406 test "${1#!}" = "$1" && op== || op=!=
407 eval test "x\$${1#!}" $op "xno"
408 }
409
410 enabled_all(){
411 for opt; do
412 enabled $opt || return 1
413 done
414 }
415
416 disabled_all(){
417 for opt; do
418 disabled $opt || return 1
419 done
420 }
421
422 enabled_any(){
423 for opt; do
424 enabled $opt && return 0
425 done
426 }
427
428 disabled_any(){
429 for opt; do
430 disabled $opt && return 0
431 done
432 return 1
433 }
434
435 set_default(){
436 for opt; do
437 eval : \${$opt:=\$${opt}_default}
438 done
439 }
440
441 is_in(){
442 value=$1
443 shift
444 for var in $*; do
445 [ $var = $value ] && return 0
446 done
447 return 1
448 }
449
450 check_deps(){
451 for cfg; do
452 cfg="${cfg#!}"
453 enabled ${cfg}_checking && die "Circular dependency for $cfg."
454 disabled ${cfg}_checking && continue
455 enable ${cfg}_checking
456
457 eval dep_all="\$${cfg}_deps"
458 eval dep_any="\$${cfg}_deps_any"
459 eval dep_sel="\$${cfg}_select"
460 eval dep_sgs="\$${cfg}_suggest"
461 eval dep_ifa="\$${cfg}_if"
462 eval dep_ifn="\$${cfg}_if_any"
463
464 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
467
468 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
470 enabled_all $dep_all || disable $cfg
471 enabled_any $dep_any || disable $cfg
472 disabled_any $dep_sel && disable $cfg
473
474 if enabled $cfg; then
475 eval dep_extralibs="\$${cfg}_extralibs"
476 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
477 enable_deep $dep_sel
478 enable_deep_weak $dep_sgs
479 fi
480
481 disable ${cfg}_checking
482 done
483 }
484
485 print_config(){
486 pfx=$1
487 header=$2
488 makefile=$3
489 shift 3
490 for cfg; do
491 ucname="$(toupper $cfg)"
492 if enabled $cfg; then
493 echo "#define ${pfx}${ucname} 1" >> $header
494 echo "${pfx}${ucname}=yes" >> $makefile
495 else
496 echo "#define ${pfx}${ucname} 0" >> $header
497 echo "!${pfx}${ucname}=yes" >> $makefile
498 fi
499 done
500 }
501
502 flags_saved(){
503 (: ${SAVE_CFLAGS?}) 2> /dev/null
504 }
505
506 save_flags(){
507 flags_saved && return
508 SAVE_CFLAGS="$CFLAGS"
509 SAVE_LDFLAGS="$LDFLAGS"
510 SAVE_extralibs="$extralibs"
511 }
512
513 restore_flags(){
514 flags_saved || return
515 CFLAGS="$SAVE_CFLAGS"
516 LDFLAGS="$SAVE_LDFLAGS"
517 extralibs="$SAVE_extralibs"
518 unset SAVE_CFLAGS
519 unset SAVE_LDFLAGS
520 unset SAVE_extralibs
521 }
522
523 temp_cflags(){
524 save_flags
525 CFLAGS="$CFLAGS $*"
526 }
527
528 temp_ldflags(){
529 save_flags
530 LDFLAGS="$LDFLAGS $*"
531 }
532
533 temp_extralibs(){
534 save_flags
535 extralibs="$extralibs $*"
536 }
537
538 append(){
539 var=$1
540 shift
541 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542 eval "$var=\"\$$var $*\""
543 }
544
545 add_cppflags(){
546 append CPPFLAGS $($filter_cppflags "$@")
547 }
548
549 add_cflags(){
550 append CFLAGS $($filter_cflags "$@")
551 }
552
553 add_asflags(){
554 append ASFLAGS $($filter_asflags "$@")
555 }
556
557 add_ldflags(){
558 append LDFLAGS "$@"
559 }
560
561 add_extralibs(){
562 append extralibs "$@"
563 }
564
565 check_cmd(){
566 log "$@"
567 "$@" >> $logfile 2>&1
568 }
569
570 check_cc(){
571 log check_cc "$@"
572 cat > $TMPC
573 log_file $TMPC
574 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
575 }
576
577 check_cpp(){
578 log check_cpp "$@"
579 cat > $TMPC
580 log_file $TMPC
581 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
582 }
583
584 check_as(){
585 log check_as "$@"
586 cat > $TMPC
587 log_file $TMPC
588 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
589 }
590
591 check_asm(){
592 log check_asm "$@"
593 name="$1"
594 code="$2"
595 shift 2
596 disable $name
597 check_as "$@" <<EOF && enable $name
598 void foo(void){ __asm__ volatile($code); }
599 EOF
600 }
601
602 check_yasm(){
603 log check_yasm "$@"
604 echo "$1" > $TMPS
605 log_file $TMPS
606 shift 1
607 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608 }
609
610 check_ld(){
611 log check_ld "$@"
612 flags=''
613 libs=''
614 for f; do
615 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616 done
617 check_cc $($filter_cflags $flags) || return
618 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
619 }
620
621 check_cppflags(){
622 log check_cppflags "$@"
623 set -- $($filter_cppflags "$@")
624 check_cc "$@" <<EOF && append CPPFLAGS "$@"
625 int x;
626 EOF
627 }
628
629 check_cflags(){
630 log check_cflags "$@"
631 set -- $($filter_cflags "$@")
632 check_cc "$@" <<EOF && append CFLAGS "$@"
633 int x;
634 EOF
635 }
636
637 test_ldflags(){
638 log test_ldflags "$@"
639 check_ld "$@" <<EOF
640 int main(void){ return 0; }
641 EOF
642 }
643
644 check_ldflags(){
645 log check_ldflags "$@"
646 test_ldflags "$@" && add_ldflags "$@"
647 }
648
649 check_header(){
650 log check_header "$@"
651 header=$1
652 shift
653 disable_safe $header
654 check_cpp "$@" <<EOF && enable_safe $header
655 #include <$header>
656 int x;
657 EOF
658 }
659
660 check_func(){
661 log check_func "$@"
662 func=$1
663 shift
664 disable $func
665 check_ld "$@" <<EOF && enable $func
666 extern int $func();
667 int main(void){ $func(); }
668 EOF
669 }
670
671 check_func_headers(){
672 log check_func_headers "$@"
673 headers=$1
674 func=$2
675 shift 2
676 disable $func
677 incs=""
678 for hdr in $headers; do
679 incs="$incs
680 #include <$hdr>"
681 done
682 check_ld "$@" <<EOF && enable $func && enable_safe $headers
683 $incs
684 int main(int argc, char **argv){
685 return (long) $func;
686 }
687 EOF
688 }
689
690 check_cpp_condition(){
691 log check_cpp_condition "$@"
692 header=$1
693 condition=$2
694 shift 2
695 check_cpp $($filter_cppflags "$@") <<EOF
696 #include <$header>
697 #if !($condition)
698 #error "unsatisfied condition: $condition"
699 #endif
700 EOF
701 }
702
703 check_lib(){
704 log check_lib "$@"
705 header="$1"
706 func="$2"
707 shift 2
708 temp_extralibs "$@"
709 check_header $header && check_func $func && add_extralibs "$@"
710 err=$?
711 restore_flags
712 return $err
713 }
714
715 check_lib2(){
716 log check_lib2 "$@"
717 headers="$1"
718 func="$2"
719 shift 2
720 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
721 }
722
723 check_exec(){
724 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
725 }
726
727 check_exec_crash(){
728 code=$(cat)
729
730 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
731 # are safe but may not be available everywhere. Thus we use
732 # raise(SIGTERM) instead. The check is run in a subshell so we
733 # can redirect the "Terminated" message from the shell. SIGBUS
734 # is not defined by standard C so it is used conditionally.
735
736 (check_exec "$@") >> $logfile 2>&1 <<EOF
737 #include <signal.h>
738 static void sighandler(int sig){
739 raise(SIGTERM);
740 }
741 int main(void){
742 signal(SIGILL, sighandler);
743 signal(SIGFPE, sighandler);
744 signal(SIGSEGV, sighandler);
745 #ifdef SIGBUS
746 signal(SIGBUS, sighandler);
747 #endif
748 { $code }
749 }
750 EOF
751 }
752
753 check_type(){
754 log check_type "$@"
755 headers=$1
756 type=$2
757 shift 2
758 disable_safe "$type"
759 incs=""
760 for hdr in $headers; do
761 incs="$incs
762 #include <$hdr>"
763 done
764 check_cc "$@" <<EOF && enable_safe "$type"
765 $incs
766 $type v;
767 EOF
768 }
769
770 check_struct(){
771 log check_type "$@"
772 headers=$1
773 struct=$2
774 member=$3
775 shift 3
776 disable_safe "${struct}_${member}"
777 incs=""
778 for hdr in $headers; do
779 incs="$incs
780 #include <$hdr>"
781 done
782 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
783 $incs
784 const void *p = &(($struct *)0)->$member;
785 EOF
786 }
787
788 require(){
789 name="$1"
790 header="$2"
791 func="$3"
792 shift 3
793 check_lib $header $func "$@" || die "ERROR: $name not found"
794 }
795
796 require2(){
797 name="$1"
798 headers="$2"
799 func="$3"
800 shift 3
801 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
802 }
803
804 check_foo_config(){
805 cfg=$1
806 pkg=$2
807 header=$3
808 func=$4
809 shift 4
810 disable $cfg
811 check_cmd ${pkg}-config --version
812 err=$?
813 if test "$err" = 0; then
814 temp_cflags $(${pkg}-config --cflags)
815 temp_extralibs $(${pkg}-config --libs)
816 check_lib "$@" $header $func && enable $cfg
817 fi
818 return $err
819 }
820
821 check_host_cc(){
822 log check_host_cc "$@"
823 cat > $TMPC
824 log_file $TMPC
825 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
826 }
827
828 check_host_cflags(){
829 log check_host_cflags "$@"
830 check_host_cc "$@" <<EOF && append host_cflags "$@"
831 int x;
832 EOF
833 }
834
835 apply(){
836 file=$1
837 shift
838 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
839 }
840
841 cp_if_changed(){
842 cmp -s "$1" "$2" &&
843 echo "$2 is unchanged" ||
844 cp -f "$1" "$2"
845 }
846
847 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
848 # system-dependent things.
849
850 COMPONENT_LIST="
851 bsfs
852 decoders
853 demuxers
854 encoders
855 filters
856 hwaccels
857 indevs
858 muxers
859 outdevs
860 parsers
861 protocols
862 "
863
864 CONFIG_LIST="
865 $COMPONENT_LIST
866 aandct
867 avcodec
868 avdevice
869 avfilter
870 avfilter_lavf
871 avformat
872 avisynth
873 beos_netserver
874 bzlib
875 dct
876 doc
877 dxva2
878 fastdiv
879 ffmpeg
880 ffplay
881 ffserver
882 fft
883 golomb
884 gpl
885 gprof
886 gray
887 hardcoded_tables
888 libdc1394
889 libdirac
890 libfaac
891 libfaad
892 libfaadbin
893 libgsm
894 libmp3lame
895 libnut
896 libopencore_amrnb
897 libopencore_amrwb
898 libopenjpeg
899 libschroedinger
900 libspeex
901 libtheora
902 libvorbis
903 libx264
904 libxvid
905 lpc
906 mdct
907 memalign_hack
908 mlib
909 mpegaudio_hp
910 network
911 nonfree
912 pic
913 postproc
914 powerpc_perf
915 rdft
916 runtime_cpudetect
917 shared
918 small
919 sram
920 static
921 swscale
922 swscale_alpha
923 vaapi
924 vdpau
925 version3
926 x11grab
927 zlib
928 "
929
930 THREADS_LIST='
931 beosthreads
932 os2threads
933 pthreads
934 w32threads
935 '
936
937 ARCH_LIST='
938 alpha
939 arm
940 avr32
941 avr32_ap
942 avr32_uc
943 bfin
944 ia64
945 m68k
946 mips
947 mips64
948 parisc
949 ppc
950 ppc64
951 s390
952 sh4
953 sparc
954 sparc64
955 x86
956 x86_32
957 x86_64
958 '
959
960 ARCH_EXT_LIST='
961 altivec
962 amd3dnow
963 amd3dnowext
964 armv5te
965 armv6
966 armv6t2
967 armvfp
968 iwmmxt
969 mmi
970 mmx
971 mmx2
972 neon
973 ppc4xx
974 sse
975 ssse3
976 vis
977 '
978
979 HAVE_LIST_PUB='
980 bigendian
981 '
982
983 HAVE_LIST="
984 $ARCH_EXT_LIST
985 $HAVE_LIST_PUB
986 $THREADS_LIST
987 alsa_asoundlib_h
988 altivec_h
989 arpa_inet_h
990 attribute_may_alias
991 attribute_packed
992 bswap
993 closesocket
994 cmov
995 conio_h
996 dcbzl
997 dev_bktr_ioctl_bt848_h
998 dev_bktr_ioctl_meteor_h
999 dev_ic_bt8xx_h
1000 dev_video_meteor_ioctl_meteor_h
1001 dev_video_bktr_ioctl_bt848_h
1002 dlfcn_h
1003 dlopen
1004 dos_paths
1005 ebp_available
1006 ebx_available
1007 exp2
1008 exp2f
1009 fast_64bit
1010 fast_clz
1011 fast_cmov
1012 fast_unaligned
1013 fork
1014 getaddrinfo
1015 gethrtime
1016 GetProcessTimes
1017 getrusage
1018 inet_aton
1019 inline_asm
1020 isatty
1021 ldbrx
1022 libdc1394_1
1023 libdc1394_2
1024 llrint
1025 log2
1026 log2f
1027 loongson
1028 lrint
1029 lrintf
1030 lzo1x_999_compress
1031 machine_ioctl_bt848_h
1032 machine_ioctl_meteor_h
1033 malloc_h
1034 memalign
1035 mkstemp
1036 pld
1037 posix_memalign
1038 round
1039 roundf
1040 sdl
1041 sdl_video_size
1042 setmode
1043 socklen_t
1044 soundcard_h
1045 poll_h
1046 struct_addrinfo
1047 struct_ipv6_mreq
1048 struct_sockaddr_in6
1049 struct_sockaddr_sa_len
1050 struct_sockaddr_storage
1051 sys_mman_h
1052 sys_resource_h
1053 sys_select_h
1054 sys_soundcard_h
1055 sys_videoio_h
1056 ten_operands
1057 termios_h
1058 threads
1059 truncf
1060 vfp_args
1061 VirtualAlloc
1062 winsock2_h
1063 xform_asm
1064 yasm
1065 "
1066
1067 # options emitted with CONFIG_ prefix but not available on command line
1068 CONFIG_EXTRA="
1069 avutil
1070 gplv3
1071 lgplv3
1072 "
1073
1074 CMDLINE_SELECT="
1075 $ARCH_EXT_LIST
1076 $CONFIG_LIST
1077 $THREADS_LIST
1078 asm
1079 cross_compile
1080 debug
1081 extra_warnings
1082 logging
1083 optimizations
1084 stripping
1085 yasm
1086 "
1087
1088 PATHS_LIST='
1089 bindir
1090 datadir
1091 incdir
1092 libdir
1093 mandir
1094 prefix
1095 shlibdir
1096 '
1097
1098 CMDLINE_SET="
1099 $PATHS_LIST
1100 arch
1101 as
1102 build_suffix
1103 cc
1104 cpu
1105 cross_prefix
1106 dep_cc
1107 extra_version
1108 host_cc
1109 host_cflags
1110 host_ldflags
1111 host_libs
1112 host_os
1113 ld
1114 logfile
1115 malloc_prefix
1116 nm
1117 source_path
1118 sysinclude
1119 sysroot
1120 target_exec
1121 target_os
1122 target_path
1123 "
1124
1125 CMDLINE_APPEND="
1126 extra_cflags
1127 "
1128
1129 # code dependency declarations
1130
1131 # architecture extensions
1132
1133 armv5te_deps="arm"
1134 armv6_deps="arm"
1135 armv6t2_deps="arm"
1136 armvfp_deps="arm"
1137 iwmmxt_deps="arm"
1138 neon_deps="arm"
1139
1140 mmi_deps="mips"
1141
1142 altivec_deps="ppc"
1143 ppc4xx_deps="ppc"
1144
1145 vis_deps="sparc"
1146
1147 x86_64_suggest="cmov fast_cmov"
1148 amd3dnow_deps="mmx"
1149 amd3dnowext_deps="amd3dnow"
1150 mmx_deps="x86"
1151 mmx2_deps="mmx"
1152 sse_deps="mmx"
1153 ssse3_deps="sse"
1154
1155 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1156 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1157 fast_unaligned_if_any="armv6 ppc x86"
1158
1159 need_memalign="altivec neon sse"
1160 inline_asm_deps="!tms470"
1161
1162 # decoders / encoders / hardware accelerators
1163 aac_decoder_select="fft mdct aac_parser"
1164 aac_encoder_select="fft mdct"
1165 ac3_decoder_select="fft mdct ac3_parser"
1166 alac_encoder_select="lpc"
1167 atrac3_decoder_select="fft mdct"
1168 binkaudio_dct_decoder_select="fft mdct rdft dct"
1169 binkaudio_rdft_decoder_select="fft mdct rdft"
1170 cavs_decoder_select="golomb"
1171 cook_decoder_select="fft mdct"
1172 cscd_decoder_suggest="zlib"
1173 dca_decoder_select="fft mdct"
1174 dnxhd_encoder_select="aandct"
1175 dxa_decoder_select="zlib"
1176 eac3_decoder_select="ac3_decoder"
1177 eamad_decoder_select="aandct"
1178 eatgq_decoder_select="aandct"
1179 eatqi_decoder_select="aandct"
1180 ffv1_decoder_select="golomb"
1181 flac_decoder_select="golomb"
1182 flac_encoder_select="golomb lpc"
1183 flashsv_decoder_select="zlib"
1184 flashsv_encoder_select="zlib"
1185 flv_decoder_select="h263_decoder"
1186 flv_encoder_select="h263_encoder"
1187 h261_encoder_select="aandct"
1188 h263_decoder_select="h263_parser"
1189 h263_encoder_select="aandct"
1190 h263_vaapi_hwaccel_deps="va_va_h"
1191 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1192 h263i_decoder_select="h263_decoder"
1193 h263p_encoder_select="h263_encoder"
1194 h264_decoder_select="golomb"
1195 h264_dxva2_hwaccel_deps="dxva2api_h"
1196 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1197 h264_vaapi_hwaccel_deps="va_va_h"
1198 h264_vaapi_hwaccel_select="vaapi"
1199 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1200 h264_vdpau_decoder_select="vdpau h264_decoder"
1201 imc_decoder_select="fft mdct"
1202 jpegls_decoder_select="golomb"
1203 jpegls_encoder_select="golomb"
1204 ljpeg_encoder_select="aandct"
1205 loco_decoder_select="golomb"
1206 mjpeg_encoder_select="aandct"
1207 mlp_decoder_select="mlp_parser"
1208 mpeg1video_encoder_select="aandct"
1209 mpeg2video_encoder_select="aandct"
1210 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1211 mpeg4_encoder_select="h263_encoder"
1212 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1213 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1214 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1215 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1216 mpeg2_vaapi_hwaccel_deps="va_va_h"
1217 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1218 mpeg4_vaapi_hwaccel_deps="va_va_h"
1219 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1220 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1221 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1222 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1223 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1224 msmpeg4v1_decoder_select="h263_decoder"
1225 msmpeg4v1_encoder_select="h263_encoder"
1226 msmpeg4v2_decoder_select="h263_decoder"
1227 msmpeg4v2_encoder_select="h263_encoder"
1228 msmpeg4v3_decoder_select="h263_decoder"
1229 msmpeg4v3_encoder_select="h263_encoder"
1230 nellymoser_decoder_select="fft mdct"
1231 nellymoser_encoder_select="fft mdct"
1232 png_decoder_select="zlib"
1233 png_encoder_select="zlib"
1234 qdm2_decoder_select="fft mdct rdft"
1235 rv10_decoder_select="h263_decoder"
1236 rv10_encoder_select="h263_encoder"
1237 rv20_decoder_select="h263_decoder"
1238 rv20_encoder_select="h263_encoder"
1239 rv30_decoder_select="golomb"
1240 rv40_decoder_select="golomb"
1241 shorten_decoder_select="golomb"
1242 sonic_decoder_select="golomb"
1243 sonic_encoder_select="golomb"
1244 sonic_ls_encoder_select="golomb"
1245 svq3_decoder_select="golomb"
1246 svq3_decoder_suggest="zlib"
1247 theora_decoder_select="vp3_decoder"
1248 tiff_decoder_suggest="zlib"
1249 tiff_encoder_suggest="zlib"
1250 truehd_decoder_select="mlp_decoder"
1251 tscc_decoder_select="zlib"
1252 vc1_decoder_select="h263_decoder"
1253 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1254 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1255 vc1_vaapi_hwaccel_deps="va_va_h"
1256 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1257 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1258 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1259 vorbis_decoder_select="fft mdct"
1260 vorbis_encoder_select="fft mdct"
1261 vp6a_decoder_select="vp6_decoder"
1262 vp6f_decoder_select="vp6_decoder"
1263 wmav1_decoder_select="fft mdct"
1264 wmav1_encoder_select="fft mdct"
1265 wmav2_decoder_select="fft mdct"
1266 wmav2_encoder_select="fft mdct"
1267 wmv1_decoder_select="h263_decoder"
1268 wmv1_encoder_select="h263_encoder"
1269 wmv2_decoder_select="h263_decoder"
1270 wmv2_encoder_select="h263_encoder"
1271 wmv3_decoder_select="vc1_decoder"
1272 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1273 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1274 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1275 zlib_decoder_select="zlib"
1276 zlib_encoder_select="zlib"
1277 zmbv_decoder_select="zlib"
1278 zmbv_encoder_select="zlib"
1279
1280 # parsers
1281 h264_parser_select="golomb"
1282
1283 # bitstream_filters
1284 aac_adtstoasc_bsf_select="aac_parser"
1285
1286 # external libraries
1287 libdirac_decoder_deps="libdirac !libschroedinger"
1288 libdirac_encoder_deps="libdirac"
1289 libfaac_encoder_deps="libfaac"
1290 libfaad_decoder_deps="libfaad"
1291 libfaadbin_decoder_extralibs='$ldl'
1292 libgsm_decoder_deps="libgsm"
1293 libgsm_encoder_deps="libgsm"
1294 libgsm_ms_decoder_deps="libgsm"
1295 libgsm_ms_encoder_deps="libgsm"
1296 libmp3lame_encoder_deps="libmp3lame"
1297 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1298 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1299 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1300 libopenjpeg_decoder_deps="libopenjpeg"
1301 libschroedinger_decoder_deps="libschroedinger"
1302 libschroedinger_encoder_deps="libschroedinger"
1303 libspeex_decoder_deps="libspeex"
1304 libtheora_encoder_deps="libtheora"
1305 libvorbis_encoder_deps="libvorbis"
1306 libx264_encoder_deps="libx264"
1307 libxvid_encoder_deps="libxvid"
1308
1309 # demuxers / muxers
1310 ac3_demuxer_deps="ac3_parser"
1311 asf_stream_muxer_select="asf_muxer"
1312 avisynth_demuxer_deps="avisynth"
1313 dirac_demuxer_deps="dirac_parser"
1314 eac3_demuxer_select="ac3_parser"
1315 ipod_muxer_select="mov_muxer"
1316 libnut_demuxer_deps="libnut"
1317 libnut_muxer_deps="libnut"
1318 matroska_audio_muxer_select="matroska_muxer"
1319 matroska_demuxer_suggest="zlib bzlib"
1320 mov_demuxer_suggest="zlib"
1321 mp3_demuxer_deps="mpegaudio_parser"
1322 mp4_muxer_select="mov_muxer"
1323 mpegtsraw_demuxer_select="mpegts_demuxer"
1324 mxf_d10_muxer_select="mxf_muxer"
1325 ogg_demuxer_select="golomb"
1326 psp_muxer_select="mov_muxer"
1327 rtsp_demuxer_deps="sdp_demuxer"
1328 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1329 spdif_muxer_select="aac_parser"
1330 tg2_muxer_select="mov_muxer"
1331 tgp_muxer_select="mov_muxer"
1332 w64_demuxer_deps="wav_demuxer"
1333
1334 # indevs / outdevs
1335 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1336 alsa_indev_extralibs="-lasound"
1337 alsa_outdev_deps="alsa_asoundlib_h"
1338 alsa_outdev_extralibs="-lasound"
1339 audio_beos_indev_deps="audio_beos"
1340 audio_beos_indev_extralibs="-lmedia -lbe"
1341 audio_beos_outdev_deps="audio_beos"
1342 audio_beos_outdev_extralibs="-lmedia -lbe"
1343 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1344 dv1394_indev_deps="dv1394 dv_demuxer"
1345 jack_indev_deps="jack_jack_h"
1346 jack_indev_extralibs="-ljack"
1347 libdc1394_indev_deps="libdc1394"
1348 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1349 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1350 v4l_indev_deps="linux_videodev_h"
1351 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1352 vfwcap_indev_deps="capCreateCaptureWindow"
1353 vfwcap_indev_extralibs="-lavicap32"
1354 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1355 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1356
1357 # protocols
1358 gopher_protocol_deps="network"
1359 http_protocol_deps="network"
1360 rtmp_protocol_deps="tcp_protocol"
1361 rtp_protocol_deps="udp_protocol"
1362 tcp_protocol_deps="network"
1363 udp_protocol_deps="network"
1364
1365 # filters
1366 movie_filter_deps="avfilter_lavf"
1367 avfilter_lavf_deps="avformat"
1368
1369 # libraries
1370 avdevice_deps="avcodec avformat"
1371 avformat_deps="avcodec"
1372
1373 # programs
1374 ffmpeg_deps="avcodec avformat swscale"
1375 ffplay_deps="avcodec avformat swscale sdl"
1376 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1377 ffserver_extralibs='$ldl'
1378
1379 doc_deps="texi2html"
1380
1381 # default parameters
1382
1383 logfile="config.err"
1384
1385 # installation paths
1386 prefix_default="/usr/local"
1387 bindir_default='${prefix}/bin'
1388 datadir_default='${prefix}/share/ffmpeg'
1389 incdir_default='${prefix}/include'
1390 libdir_default='${prefix}/lib'
1391 mandir_default='${prefix}/share/man'
1392 shlibdir_default="$libdir_default"
1393
1394 # toolchain
1395 ar="ar"
1396 cc_default="gcc"
1397 cc_version=\"unknown\"
1398 host_cc_default="gcc"
1399 ln_s="ln -sf"
1400 nm_default="nm"
1401 objformat="elf"
1402 ranlib="ranlib"
1403 strip="strip"
1404 yasmexe="yasm"
1405
1406 nm_opts='-g'
1407
1408 # machine
1409 arch=$(uname -m)
1410 cpu="generic"
1411
1412 # OS
1413 target_os=$(tolower $(uname -s))
1414 host_os=$target_os
1415
1416 # configurable options
1417 enable avcodec
1418 enable avdevice
1419 enable avformat
1420 enable avutil
1421 enable asm
1422 enable debug
1423 enable doc
1424 enable fastdiv
1425 enable ffmpeg
1426 enable ffplay
1427 enable ffserver
1428 enable mpegaudio_hp
1429 enable network
1430 enable optimizations
1431 enable protocols
1432 enable static
1433 enable stripping
1434 enable swscale
1435 enable swscale_alpha
1436
1437 # build settings
1438 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1439 FFSERVERLDFLAGS=-Wl,-E
1440 LIBPREF="lib"
1441 LIBSUF=".a"
1442 FULLNAME='$(NAME)$(BUILDSUF)'
1443 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1444 SLIBPREF="lib"
1445 SLIBSUF=".so"
1446 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1447 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1448 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1449 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1450
1451 CC_O='-o $@'
1452
1453 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1454 host_libs='-lm'
1455
1456 target_path='$(CURDIR)'
1457
1458 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1459 # full relative path for objects in subdirectories for non-recursive Make.
1460 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1461 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1462
1463 # find source path
1464 source_path="$(dirname "$0")"
1465 enable source_path_used
1466 if test -f configure; then
1467 source_path="$(pwd)"
1468 disable source_path_used
1469 else
1470 source_path="$(cd "$source_path"; pwd)"
1471 echo "$source_path" | grep -q '[[:blank:]]' &&
1472 die "Out of tree builds are impossible with whitespace in source path."
1473 test -e "$source_path/config.h" &&
1474 die "Out of tree builds are impossible with config.h in source dir."
1475 fi
1476
1477 for v in "$@"; do
1478 r=${v#*=}
1479 l=${v%"$r"}
1480 r=$(sh_quote "$r")
1481 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1482 done
1483
1484 find_things(){
1485 thing=$1
1486 pattern=$2
1487 file=$source_path/$3
1488 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1489 }
1490
1491 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1492 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1493 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1494 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1495 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1496 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1497 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1498 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1499 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1500 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1501 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1502
1503 enable $ARCH_EXT_LIST \
1504 $DECODER_LIST \
1505 $ENCODER_LIST \
1506 $HWACCEL_LIST \
1507 $PARSER_LIST \
1508 $BSF_LIST \
1509 $DEMUXER_LIST \
1510 $MUXER_LIST \
1511 $FILTER_LIST \
1512 $PROTOCOL_LIST \
1513 $INDEV_LIST \
1514 $OUTDEV_LIST \
1515
1516 die_unknown(){
1517 echo "Unknown option \"$1\"."
1518 echo "See $0 --help for available options."
1519 exit 1
1520 }
1521
1522 show_list() {
1523 suffix=_$1
1524 shift
1525 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1526 exit 0
1527 }
1528
1529 for opt do
1530 optval="${opt#*=}"
1531 case "$opt" in
1532 --extra-ldflags=*) add_ldflags $optval
1533 ;;
1534 --extra-libs=*) add_extralibs $optval
1535 ;;
1536 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1537 ;;
1538 --enable-debug=*) debuglevel="$optval"
1539 ;;
1540 --enable-*=*|--disable-*=*)
1541 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1542 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1543 eval list=\$$(toupper $thing)_LIST
1544 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1545 $action $(filter "$name" $list)
1546 ;;
1547 --enable-?*|--disable-?*)
1548 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1549 if is_in $option $COMPONENT_LIST; then
1550 test $action = disable && action=unset
1551 eval $action \$$(toupper ${option%s})_LIST
1552 elif is_in $option $CMDLINE_SELECT; then
1553 $action $option
1554 else
1555 die_unknown $opt
1556 fi
1557 ;;
1558 --list-*)
1559 NAME="${opt#--list-}"
1560 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1561 NAME=${NAME%s}
1562 eval show_list $NAME \$$(toupper $NAME)_LIST
1563 ;;
1564 --help|-h) show_help
1565 ;;
1566 *)
1567 optname="${opt%%=*}"
1568 optname="${optname#--}"
1569 optname=$(echo "$optname" | sed 's/-/_/g')
1570 if is_in $optname $CMDLINE_SET; then
1571 eval $optname='$optval'
1572 elif is_in $optname $CMDLINE_APPEND; then
1573 append $optname "$optval"
1574 else
1575 die_unknown $opt
1576 fi
1577 ;;
1578 esac
1579 done
1580
1581 disabled logging && logfile=/dev/null
1582
1583 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1584 set >> $logfile
1585
1586 test -n "$cross_prefix" && enable cross_compile
1587
1588 ar="${cross_prefix}${ar}"
1589 cc_default="${cross_prefix}${cc_default}"
1590 nm_default="${cross_prefix}${nm_default}"
1591 ranlib="${cross_prefix}${ranlib}"
1592 strip="${cross_prefix}${strip}"
1593
1594 sysinclude_default="${sysroot}/usr/include"
1595
1596 set_default cc nm sysinclude
1597 enabled cross_compile || host_cc_default=$cc
1598 set_default host_cc
1599
1600 exesuf() {
1601 case $1 in
1602 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1603 esac
1604 }
1605
1606 EXESUF=$(exesuf $target_os)
1607 HOSTEXESUF=$(exesuf $host_os)
1608
1609 # set temporary file name
1610 : ${TMPDIR:=$TEMPDIR}
1611 : ${TMPDIR:=$TMP}
1612 : ${TMPDIR:=/tmp}
1613
1614 if ! check_cmd type mktemp; then
1615 # simple replacement for missing mktemp
1616 # NOT SAFE FOR GENERAL USE
1617 mktemp(){
1618 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1619 }
1620 fi
1621
1622 tmpfile(){
1623 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1624 (set -C; exec > $tmp) 2>/dev/null ||
1625 die "Unable to create temporary file in $TMPDIR."
1626 append TMPFILES $tmp
1627 eval $1=$tmp
1628 }
1629
1630 trap 'rm -f -- $TMPFILES' EXIT
1631 trap exit HUP INT TERM
1632
1633 tmpfile TMPC .c
1634 tmpfile TMPE $EXESUF
1635 tmpfile TMPH .h
1636 tmpfile TMPO .o
1637 tmpfile TMPS .S
1638 tmpfile TMPV .ver
1639 tmpfile TMPSH .sh
1640
1641 unset -f mktemp
1642
1643 # make sure we can execute files in $TMPDIR
1644 cat > $TMPSH 2>> $logfile <<EOF
1645 #! /bin/sh
1646 EOF
1647 chmod +x $TMPSH >> $logfile 2>&1
1648 if ! $TMPSH >> $logfile 2>&1; then
1649 cat <<EOF
1650 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1651 variable to another directory and make sure that it is not mounted noexec.
1652 EOF
1653 die "Sanity test failed."
1654 fi
1655
1656 filter_cflags=echo
1657 filter_cppflags=echo
1658 filter_asflags=echo
1659
1660 if $cc -v 2>&1 | grep -qi ^gcc; then
1661 cc_type=gcc
1662 cc_version=__VERSION__
1663 if ! $cc -dumpversion | grep -q '^2\.'; then
1664 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1665 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1666 fi
1667 speed_cflags='-O3'
1668 size_cflags='-Os'
1669 elif $cc --version 2>/dev/null | grep -q Intel; then
1670 cc_type=icc
1671 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1672 CC_DEPFLAGS='-MMD'
1673 AS_DEPFLAGS='-MMD'
1674 speed_cflags='-O3'
1675 size_cflags='-Os'
1676 elif $cc -v 2>&1 | grep -q xlc; then
1677 cc_type=xlc
1678 cc_version="AV_STRINGIFY(__IBMC__)"
1679 speed_cflags='-O5'
1680 size_cflags='-O5 -qcompact'
1681 elif $cc -V 2>/dev/null | grep -q Compaq; then
1682 cc_type=ccc
1683 cc_version="AV_STRINGIFY(__DECC_VER)"
1684 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1685 debuglevel=3
1686 add_ldflags -Wl,-z,now # calls to libots crash without this
1687 speed_cflags='-fast'
1688 size_cflags='-O1'
1689 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1690 test -d "$sysroot" || die "No valid sysroot specified."
1691 cc_type=armcc
1692 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1693 armcc_conf="$PWD/armcc.conf"
1694 $cc --arm_linux_configure \
1695 --arm_linux_config_file="$armcc_conf" \
1696 --configure_sysroot="$sysroot" \
1697 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1698 die "Error creating armcc configuration file."
1699 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1700 as_default="${cross_prefix}gcc"
1701 CC_DEPFLAGS='-MMD'
1702 AS_DEPFLAGS='-MMD'
1703 speed_cflags='-O3'
1704 size_cflags='-Os'
1705 elif $cc -version 2>/dev/null | grep -q TMS470; then
1706 cc_type=tms470
1707 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1708 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1709 CC_O='-fr=$(@D)'
1710 as_default="${cross_prefix}gcc"
1711 ld_default="${cross_prefix}gcc"
1712 TMPO=$(basename $TMPC .c).o
1713 append TMPFILES $TMPO
1714 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1715 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1716 AS_DEPFLAGS='-MMD'
1717 speed_cflags='-O3 -mf=5'
1718 size_cflags='-O3 -mf=2'
1719 filter_cflags=tms470_flags
1720 tms470_flags(){
1721 for flag; do
1722 case $flag in
1723 -march=*|-mcpu=*)
1724 case "${flag#*=}" in
1725 armv7-a|cortex-a*) echo -mv=7a8 ;;
1726 armv7-r|cortex-r*) echo -mv=7r4 ;;
1727 armv7-m|cortex-m*) echo -mv=7m3 ;;
1728 armv6*|arm11*) echo -mv=6 ;;
1729 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1730 echo -mv=5e ;;
1731 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1732 esac
1733 ;;
1734 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1735 -mfpu=vfp) echo --float_support=vfpv2 ;;
1736 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1737 -msoft-float) echo --float_support=vfplib ;;
1738 -O[0-3]|-mf=*) echo $flag ;;
1739 -g) echo -g -mn ;;
1740 -pds=*) echo $flag ;;
1741 esac
1742 done
1743 }
1744 elif $cc -v 2>&1 | grep -q clang; then
1745 cc_type=clang
1746 cc_version=__VERSION__
1747 CC_DEPFLAGS='-MMD'
1748 AS_DEPFLAGS='-MMD'
1749 speed_cflags='-O3'
1750 size_cflags='-Os'
1751 elif $cc -V 2>&1 | grep -q Sun; then
1752 cc_type=suncc
1753 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1754 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1755 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1756 speed_cflags='-O5'
1757 size_cflags='-O5 -xspace'
1758 filter_cflags=suncc_flags
1759 suncc_flags(){
1760 for flag; do
1761 case $flag in
1762 -march=*|-mcpu=*)
1763 case "${flag#*=}" in
1764 native) echo -xtarget=native ;;
1765 v9) echo -xarch=sparc ;;
1766 ultrasparc) echo -xarch=sparcvis ;;
1767 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1768 i586|pentium) echo -xchip=pentium ;;
1769 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1770 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1771 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1772 pentium4*) echo -xtarget=pentium4 ;;
1773 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1774 *-sse3) echo -xarch=sse3 ;;
1775 core2) echo -xarch=ssse3 -xchip=core2 ;;
1776 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1777 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1778 k8|opteron|athlon64|athlon-fx)
1779 echo -xarch=sse2a ;;
1780 athlon*) echo -xarch=pentium_proa ;;
1781 esac
1782 ;;
1783 -std=c99) echo -xc99 ;;
1784 -fomit-frame-pointer) echo -xregs=frameptr ;;
1785 -fPIC) echo -KPIC -xcode=pic32 ;;
1786 -W*,*) echo $flag ;;
1787 -f*-*|-W*) ;;
1788 *) echo $flag ;;
1789 esac
1790 done
1791 }
1792 fi
1793
1794 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1795
1796 : ${as_default:=$cc}
1797 : ${dep_cc_default:=$cc}
1798 : ${ld_default:=$cc}
1799 set_default as dep_cc ld
1800
1801 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1802 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1803
1804 add_cflags $extra_cflags
1805 add_asflags $extra_cflags
1806
1807 if test -n "$sysroot"; then
1808 case "$cc_type" in
1809 gcc)
1810 add_cppflags --sysroot="$sysroot"
1811 add_ldflags --sysroot="$sysroot"
1812 ;;
1813 tms470)
1814 add_cppflags -I"$sysinclude"
1815 add_ldflags --sysroot="$sysroot"
1816 ;;
1817 clang)
1818 add_cppflags -isysroot="$sysroot"
1819 add_ldflags -isysroot="$sysroot"
1820 ;;
1821 esac
1822 fi
1823
1824 if test "$cpu" = host; then
1825 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1826
1827 case "$cc_type" in
1828 gcc)
1829 check_native(){
1830 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1831 sed -n "/$1=/{
1832 s/.*$1=\\([^ ]*\\).*/\\1/
1833 p
1834 q
1835 }" $TMPE
1836 }
1837 cpu=$(check_native -march || check_native -mcpu)
1838 ;;
1839 esac
1840
1841 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1842 fi
1843
1844 # Deal with common $arch aliases
1845 case "$arch" in
1846 arm*)
1847 arch="arm"
1848 ;;
1849 mips|mipsel|IP*)
1850 arch="mips"
1851 ;;
1852 mips64)
1853 arch="mips"
1854 subarch="mips64"
1855 ;;
1856 parisc|hppa)
1857 arch="parisc"
1858 ;;
1859 parisc64|hppa64)
1860 arch="parisc"
1861 subarch="parisc64"
1862 ;;
1863 "Power Macintosh"|ppc|powerpc)
1864 arch="ppc"
1865 ;;
1866 ppc64)
1867 arch="ppc"
1868 subarch="ppc64"
1869 ;;
1870 s390|s390x)
1871 arch="s390"
1872 ;;
1873 sh4|sh)
1874 arch="sh4"
1875 ;;
1876 sun4u|sparc64)
1877 arch="sparc"
1878 subarch="sparc64"
1879 ;;
1880 i[3-6]86|i86pc|BePC|x86_64|amd64)
1881 arch="x86"
1882 ;;
1883 esac
1884
1885 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1886 enable $arch
1887
1888 # Add processor-specific flags
1889 if test "$cpu" = generic; then
1890 : do nothing
1891 elif enabled ppc; then
1892
1893 case $(tolower $cpu) in
1894 601|ppc601|powerpc601)
1895 cpuflags="-mcpu=601"
1896 disable altivec
1897 ;;
1898 603*|ppc603*|powerpc603*)
1899 cpuflags="-mcpu=603"
1900 disable altivec
1901 ;;
1902 604*|ppc604*|powerpc604*)
1903 cpuflags="-mcpu=604"
1904 disable altivec
1905 ;;
1906 g3|75*|ppc75*|powerpc75*)
1907 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1908 disable altivec
1909 ;;
1910 g4|745*|ppc745*|powerpc745*)
1911 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1912 ;;
1913 74*|ppc74*|powerpc74*)
1914 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1915 ;;
1916 g5|970|ppc970|powerpc970|power4*)
1917 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1918 ;;
1919 cell)
1920 cpuflags="-mcpu=cell"
1921 enable ldbrx
1922 ;;
1923 e500v2)
1924 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1925 disable altivec
1926 ;;
1927 e500)
1928 cpuflags="-mcpu=8540 -mhard-float"
1929 disable altivec
1930 ;;
1931 esac
1932
1933 elif enabled x86; then
1934
1935 case $cpu in
1936 i[345]86|pentium)
1937 cpuflags="-march=$cpu"
1938 disable mmx
1939 ;;
1940 # targets that do NOT support conditional mov (cmov)
1941 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1942 cpuflags="-march=$cpu"
1943 disable cmov
1944 ;;
1945 # targets that do support conditional mov (cmov)
1946 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1947 cpuflags="-march=$cpu"
1948 enable cmov
1949 enable fast_cmov
1950 ;;
1951 # targets that do support conditional mov but on which it's slow
1952 pentium4|pentium4m|prescott|nocona)
1953 cpuflags="-march=$cpu"
1954 enable cmov
1955 disable fast_cmov
1956 ;;
1957 esac
1958
1959 elif enabled sparc; then
1960
1961 case $cpu in
1962 sparc64)
1963 cpuflags="-mcpu=v9"
1964 ;;
1965 esac
1966
1967 elif enabled arm; then
1968
1969 case $cpu in
1970 armv*)
1971 cpuflags="-march=$cpu"
1972 ;;
1973 *)
1974 cpuflags="-mcpu=$cpu"
1975 ;;
1976 esac
1977
1978 elif enabled alpha; then
1979
1980 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1981
1982 elif enabled bfin; then
1983
1984 cpuflags="-mcpu=$cpu"
1985
1986 elif enabled mips; then
1987
1988 cpuflags="-march=$cpu"
1989
1990 elif enabled avr32; then
1991
1992 case $cpu in
1993 ap7[02]0[0-2])
1994 subarch="avr32_ap"
1995 cpuflags="-mpart=$cpu"
1996 ;;
1997 ap)
1998 subarch="avr32_ap"
1999 cpuflags="-march=$cpu"
2000 ;;
2001 uc3[ab]*)
2002 subarch="avr32_uc"
2003 cpuflags="-mcpu=$cpu"
2004 ;;
2005 uc)
2006 subarch="avr32_uc"
2007 cpuflags="-march=$cpu"
2008 ;;
2009 esac
2010
2011 fi
2012
2013 add_cflags $cpuflags
2014 add_asflags $cpuflags
2015
2016 # compiler sanity check
2017 check_exec <<EOF
2018 int main(void){ return 0; }
2019 EOF
2020 if test "$?" != 0; then
2021 echo "$cc is unable to create an executable file."
2022 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2023 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2024 echo "Only do this if you know what cross compiling means."
2025 fi
2026 die "C compiler test failed."
2027 fi
2028
2029 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2030 check_cflags -std=c99
2031 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2032 #include <stdlib.h>
2033 EOF
2034 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2035 #include <stdlib.h>
2036 EOF
2037
2038 check_host_cflags -std=c99
2039
2040 case "$arch" in
2041 alpha|ia64|mips|parisc|sparc)
2042 spic=$shared
2043 ;;
2044 x86)
2045 subarch="x86_32"
2046 check_cc <<EOF && subarch="x86_64"
2047 int test[(int)sizeof(char*) - 7];
2048 EOF
2049 if test "$subarch" = "x86_64"; then
2050 spic=$shared
2051 fi
2052 ;;
2053 esac
2054
2055 enable $subarch
2056 enabled spic && enable pic
2057 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2058
2059 # OS specific
2060 case $target_os in
2061 beos|haiku|zeta)
2062 prefix_default="$HOME/config"
2063 # 3 gcc releases known for BeOS, each with ugly bugs
2064 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2065 case "$gcc_version" in
2066 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2067 disable mmx
2068 ;;
2069 *20010315*) echo "BeBits gcc"
2070 add_cflags -fno-expensive-optimizations
2071 ;;
2072 esac
2073 SHFLAGS=-nostart
2074 # enable BeOS things
2075 enable audio_beos
2076 # no need for libm, but the inet stuff
2077 # Check for BONE
2078 # XXX: actually should check for NOT net_server
2079 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2080 network_extralibs="-lbind -lsocket"
2081 else
2082 enable beos_netserver
2083 network_extralibs="-lnet"
2084 fi ;;
2085 sunos)
2086 FFSERVERLDFLAGS=""
2087 SHFLAGS='-shared -Wl,-h,$$(@F)'
2088 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2089 network_extralibs="-lsocket -lnsl"
2090 add_cppflags -D__EXTENSIONS__
2091 nm_opts='-P -g'
2092 ;;
2093 netbsd)
2094 oss_indev_extralibs="-lossaudio"
2095 oss_outdev_extralibs="-lossaudio"
2096 ;;
2097 openbsd)
2098 enable malloc_aligned
2099 # On OpenBSD 4.5. the compiler does not use PIC unless
2100 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2101 # however the generated executable will not do anything
2102 # (simply quits with exit-code 1, no crash, no output).
2103 # Thus explicitly enable PIC here.
2104 enable pic
2105 SHFLAGS='-shared'
2106 oss_indev_extralibs="-lossaudio"
2107 oss_outdev_extralibs="-lossaudio"
2108 ;;
2109 freebsd|dragonfly)
2110 enable malloc_aligned
2111 ;;
2112 bsd/os)
2113 osextralibs="-lpoll -lgnugetopt"
2114 strip="strip -d"
2115 ;;
2116 darwin)
2117 enable malloc_aligned
2118 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2119 strip="strip -x"
2120 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2121 SLIBSUF=".dylib"
2122 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2123 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2124 FFSERVERLDFLAGS=-Wl,-bind_at_load
2125 objformat="macho"
2126 enabled x86_64 && objformat="macho64"
2127 enabled_any pic shared ||
2128 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2129 ;;
2130 mingw32*)
2131 if test $target_os = "mingw32ce"; then
2132 disable network
2133 else
2134 target_os=mingw32
2135 fi
2136 LIBTARGET=i386
2137 if enabled x86_64; then
2138 enable malloc_aligned
2139 LIBTARGET=x64
2140 elif enabled arm; then
2141 LIBTARGET=arm
2142 fi
2143 shlibdir_default="$bindir_default"
2144 disable ffserver
2145 SLIBPREF=""
2146 SLIBSUF=".dll"
2147 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2148 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2149 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2150 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2151 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2152 install -d "$(LIBDIR)"; \
2153 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2154 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2155 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2156 objformat="win32"
2157 enable dos_paths
2158 check_cflags -fno-common
2159 if ! enabled x86_64; then
2160 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2161 die "ERROR: MinGW runtime version must be >= 3.15."
2162 enabled_any avisynth vfwcap_indev &&
2163 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2164 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2165 fi
2166 ;;
2167 cygwin*)
2168 target_os=cygwin
2169 shlibdir_default="$bindir_default"
2170 SLIBPREF="cyg"
2171 SLIBSUF=".dll"
2172 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2173 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2174 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2175 objformat="win32"
2176 enable dos_paths
2177 check_cflags -fno-common
2178 ;;
2179 *-dos|freedos|opendos)
2180 disable ffplay ffserver
2181 disable $INDEV_LIST $OUTDEV_LIST
2182 network_extralibs="-lsocket"
2183 objformat="coff"
2184 enable dos_paths
2185 ;;
2186 linux)
2187 enable dv1394
2188 ;;
2189 irix*)
2190 target_os=irix
2191 ranlib="echo ignoring ranlib"
2192 ;;
2193 os/2*)
2194 strip="lxlite"
2195 ln_s="cp -f"
2196 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2197 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2198 FFSERVERLDFLAGS=""
2199 LIBSUF="_s.a"
2200 SLIBPREF=""
2201 SLIBSUF=".dll"
2202 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2203 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2204 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2205 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2206 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2207 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2208 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2209 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2210 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2211 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2212 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2213 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2214 enable dos_paths
2215 ;;
2216 gnu/kfreebsd)
2217 ;;
2218 gnu)
2219 ;;
2220
2221 *)
2222 die "Unknown OS '$target_os'."
2223 ;;
2224 esac
2225
2226 set_default $PATHS_LIST
2227
2228 add_extralibs $osextralibs
2229
2230 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2231 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2232
2233 # we need to build at least one lib type
2234 if ! enabled_any static shared; then
2235 cat <<EOF
2236 At least one library type must be built.
2237 Specify --enable-static to build the static libraries or --enable-shared to
2238 build the shared libraries as well. To only build the shared libraries specify
2239 --disable-static in addition to --enable-shared.
2240 EOF
2241 exit 1;
2242 fi
2243
2244 disabled static && LIBNAME=""
2245
2246 if enabled_any libfaad libfaadbin ; then
2247 if check_header faad.h; then
2248 check_cc <<EOF
2249 #include <faad.h>
2250 #ifndef FAAD2_VERSION
2251 ok faad1
2252 #endif
2253 int main(void) { return 0; }
2254 EOF
2255 test $? = 0 && enable libfaad2
2256 else
2257 die "FAAD test failed."
2258 fi
2259 fi
2260
2261
2262 die_license_disabled() {
2263 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2264 }
2265
2266 die_license_disabled gpl libfaad2
2267 die_license_disabled gpl libx264
2268 die_license_disabled gpl libxvid
2269 die_license_disabled gpl postproc
2270 die_license_disabled gpl x11grab
2271
2272 die_license_disabled nonfree libfaac
2273
2274 die_license_disabled version3 libopencore_amrnb
2275 die_license_disabled version3 libopencore_amrwb
2276
2277 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2278
2279 check_deps $ARCH_EXT_LIST
2280
2281 disabled optimizations || check_cflags -fomit-frame-pointer
2282
2283 enable_pic() {
2284 enable pic
2285 add_cppflags -DPIC
2286 add_cflags -fPIC
2287 add_asflags -fPIC
2288 }
2289
2290 enabled pic && enable_pic
2291
2292 check_cc <<EOF || die "Symbol mangling check failed."
2293 int ff_extern;
2294 EOF
2295 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2296 extern_prefix=${sym%%ff_extern*}
2297
2298 check_cc <<EOF && enable inline_asm
2299 void foo(void) { __asm__ volatile ("" ::); }
2300 EOF
2301
2302 _restrict=
2303 for restrict_keyword in restrict __restrict__ __restrict; do
2304 check_cc <<EOF && _restrict=$restrict_keyword && break
2305 void foo(char * $restrict_keyword p);
2306 EOF
2307 done
2308
2309 check_cc <<EOF && enable attribute_packed
2310 struct { int x; } __attribute__((packed)) x;
2311 EOF
2312
2313 check_cc <<EOF && enable attribute_may_alias
2314 union { int x; } __attribute__((may_alias)) x;
2315 EOF
2316
2317 check_cc <<EOF || die "endian test failed"
2318 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2319 EOF
2320 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2321
2322 if enabled alpha; then
2323
2324 check_cflags -mieee
2325
2326 elif enabled arm; then
2327
2328 check_cflags -marm
2329
2330 check_ld <<EOF && enable vfp_args
2331 __asm__ (".eabi_attribute 28, 1");
2332 int main(void) { return 0; }
2333 EOF
2334
2335 # We have to check if pld is a nop and disable it.
2336 check_asm pld '"pld [r0]"'
2337
2338 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2339 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2340 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2341 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2342 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2343 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2344
2345 enabled_all armv6t2 shared !pic && enable_pic
2346
2347 elif enabled ia64; then
2348
2349 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2350 enabled shared && enable_weak hardcoded_tables
2351
2352 elif enabled mips; then
2353
2354 check_asm loongson '"dmult.g $1, $2, $3"'
2355 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2356
2357 elif enabled ppc; then
2358
2359 check_asm dcbzl '"dcbzl 0, 1"'
2360 check_asm ppc4xx '"maclhw r10, r11, r12"'
2361 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2362
2363 # AltiVec flags: The FSF version of GCC differs from the Apple version
2364 if enabled altivec; then
2365 check_cflags -maltivec -mabi=altivec &&
2366 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2367 check_cflags -faltivec
2368
2369 # check if our compiler supports Motorola AltiVec C API
2370 check_cc <<EOF || disable altivec
2371 $inc_altivec_h
2372 int main(void) {
2373 vector signed int v1, v2, v3;
2374 v1 = vec_add(v2,v3);
2375 return 0;
2376 }
2377 EOF
2378
2379 # check if our compiler supports braces for vector declarations
2380 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2381 $inc_altivec_h
2382 int main (void) { (vector int) {1}; return 0; }
2383 EOF
2384 fi
2385
2386 elif enabled sparc; then
2387
2388 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2389 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2390
2391 elif enabled x86; then
2392
2393 # check whether EBP is available on x86
2394 # As 'i' is stored on the stack, this program will crash
2395 # if the base pointer is used to access it because the
2396 # base pointer is cleared in the inline assembly code.
2397 check_exec_crash <<EOF && enable ebp_available
2398 volatile int i=0;
2399 __asm__ volatile (
2400 "xorl %%ebp, %%ebp"
2401 ::: "%ebp");
2402 return i;
2403 EOF
2404
2405 # check whether EBX is available on x86
2406 check_asm ebx_available '""::"b"(0)' &&
2407 check_asm ebx_available '"":::"%ebx"'
2408
2409 # check whether more than 10 operands are supported
2410 check_cc <<EOF && enable ten_operands
2411 int main(void) {
2412 int x=0;
2413 __asm__ volatile(
2414 ""
2415 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2416 );
2417 return 0;
2418 }
2419 EOF
2420
2421 # check whether binutils is new enough to compile SSSE3/MMX2
2422 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2423 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2424
2425 check_asm bswap '"bswap %%eax" ::: "%eax"'
2426
2427 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2428 enabled x86_64 && append YASMFLAGS "-m amd64"
2429 enabled pic && append YASMFLAGS "-DPIC"
2430 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2431 case "$objformat" in
2432 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2433 esac
2434 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2435
2436 case "$cpu" in
2437 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2438 disable fast_clz
2439 ;;
2440 esac
2441
2442 fi
2443
2444 if check_func dlopen; then
2445 ldl=
2446 elif check_func dlopen -ldl; then
2447 ldl=-ldl
2448 fi
2449
2450 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2451 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2452
2453 check_func fork
2454 check_func getaddrinfo $network_extralibs
2455 check_func gethrtime
2456 check_func getrusage
2457 check_func inet_aton $network_extralibs
2458 check_func isatty
2459 check_func ${malloc_prefix}memalign && enable memalign
2460 check_func mkstemp
2461 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2462 check_func_headers io.h setmode
2463 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2464 check_func_headers windows.h GetProcessTimes
2465 check_func_headers windows.h VirtualAlloc
2466
2467 check_header conio.h
2468 check_header dlfcn.h
2469 check_header dxva2api.h
2470 check_header malloc.h
2471 check_header poll.h
2472 check_header sys/mman.h
2473 check_header sys/resource.h
2474 check_header sys/select.h
2475 check_header termios.h
2476 check_header vdpau/vdpau.h
2477 check_header vdpau/vdpau_x11.h
2478 check_header X11/extensions/XvMClib.h
2479
2480 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2481
2482 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2483 enabled_any $need_memalign ; then
2484 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2485 fi
2486
2487 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2488 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2489
2490 # check for some common methods of building with pthread support
2491 # do this before the optional library checks as some of them require pthreads
2492 if enabled pthreads; then
2493 if check_func pthread_create; then
2494 :
2495 elif check_func pthread_create -pthread; then
2496 add_cflags -pthread
2497 add_extralibs -pthread
2498 elif check_func pthread_create -pthreads; then
2499 add_cflags -pthreads
2500 add_extralibs -pthreads
2501 elif check_func pthread_create -lpthreadGC2; then
2502 add_extralibs -lpthreadGC2
2503 elif ! check_lib pthread.h pthread_create -lpthread; then
2504 die "ERROR: can't find pthreads library"
2505 fi
2506 fi
2507
2508 for thread in $THREADS_LIST; do
2509 if enabled $thread; then
2510 test -n "$thread_type" &&
2511 die "ERROR: Only one thread type must be selected." ||
2512 thread_type="$thread"
2513 fi
2514 done
2515
2516 check_lib math.h sin -lm
2517 check_lib va/va.h vaInitialize -lva
2518
2519 check_func exp2
2520 check_func exp2f
2521 check_func llrint
2522 check_func log2
2523 check_func log2f
2524 check_func lrint
2525 check_func lrintf
2526 check_func round
2527 check_func roundf
2528 check_func truncf
2529
2530 # these are off by default, so fail if requested and not available
2531 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2532 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2533 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2534 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2535 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2536 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2537 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2538 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2539 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2540 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2541 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2542 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2543 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2544 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2545 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2546 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2547 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2548 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2549 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2550 die "ERROR: libx264 version must be >= 0.83."; }
2551 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2552 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2553
2554 # libdc1394 check
2555 if enabled libdc1394; then
2556 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2557 enable libdc1394_2; } ||
2558 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2559 enable libdc1394_1; } ||
2560 die "ERROR: No version of libdc1394 found "
2561 fi
2562
2563 SDL_CONFIG="${cross_prefix}sdl-config"
2564 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2565 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2566 sdl_libs=$("${SDL_CONFIG}" --libs)
2567 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2568 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2569 enable sdl &&
2570 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2571 fi
2572
2573 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2574
2575 if enabled network; then
2576 check_type "sys/types.h sys/socket.h" socklen_t
2577 check_type netdb.h "struct addrinfo"
2578 check_type netinet/in.h "struct ipv6_mreq"
2579 check_type netinet/in.h "struct sockaddr_in6"
2580 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2581 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2582 # Prefer arpa/inet.h over winsock2
2583 if check_header arpa/inet.h ; then
2584 check_func closesocket
2585 elif check_header winsock2.h ; then
2586 check_func_headers winsock2.h closesocket -lws2 && \
2587 network_extralibs="-lws2" || \
2588 { check_func_headers winsock2.h closesocket -lws2_32 && \
2589 network_extralibs="-lws2_32"; }
2590 check_type ws2tcpip.h socklen_t
2591 check_type ws2tcpip.h "struct addrinfo"
2592 check_type ws2tcpip.h "struct ipv6_mreq"
2593 check_type ws2tcpip.h "struct sockaddr_in6"
2594 check_type ws2tcpip.h "struct sockaddr_storage"
2595 check_struct winsock2.h "struct sockaddr" sa_len
2596 else
2597 disable network
2598 fi
2599 fi
2600
2601 check_header linux/videodev.h
2602 check_header linux/videodev2.h
2603 check_header sys/videoio.h
2604
2605 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2606
2607 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2608 { check_header dev/bktr/ioctl_meteor.h &&
2609 check_header dev/bktr/ioctl_bt848.h; } ||
2610 { check_header machine/ioctl_meteor.h &&
2611 check_header machine/ioctl_bt848.h; } ||
2612 { check_header dev/video/meteor/ioctl_meteor.h &&
2613 check_header dev/video/bktr/ioctl_bt848.h; } ||
2614 check_header dev/ic/bt8xx.h
2615
2616 check_header sys/soundcard.h
2617 check_header soundcard.h
2618
2619 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2620
2621 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2622
2623 enabled x11grab &&
2624 check_header X11/Xlib.h &&
2625 check_header X11/extensions/XShm.h &&
2626 check_header X11/extensions/Xfixes.h &&
2627 check_func XOpenDisplay -lX11 &&
2628 check_func XShmCreateImage -lX11 -lXext &&
2629 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2630
2631 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2632 check_cpp_condition \
2633 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2634 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2635 disable vdpau; }
2636 fi
2637
2638 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2639
2640 # add some useful compiler flags if supported
2641 check_cflags -Wdeclaration-after-statement
2642 check_cflags -Wall
2643 check_cflags -Wno-switch
2644 check_cflags -Wdisabled-optimization
2645 check_cflags -Wpointer-arith
2646 check_cflags -Wredundant-decls
2647 check_cflags -Wno-pointer-sign
2648 check_cflags -Wcast-qual
2649 check_cflags -Wwrite-strings
2650 check_cflags -Wtype-limits
2651 check_cflags -Wundef
2652 enabled extra_warnings && check_cflags -Winline
2653
2654 # add some linker flags
2655 check_ldflags -Wl,--warn-common
2656 check_ldflags -Wl,--as-needed
2657 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'
2658 check_ldflags -Wl,-Bsymbolic
2659
2660 echo "X{};" > $TMPV
2661 test_ldflags -Wl,--version-script,$TMPV &&
2662 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2663
2664 if enabled small; then
2665 add_cflags $size_cflags
2666 optimizations="small"
2667 elif enabled optimizations; then
2668 add_cflags $speed_cflags
2669 fi
2670 check_cflags -fno-math-errno
2671 check_cflags -fno-signed-zeros
2672
2673 if enabled icc; then
2674 # Just warnings, no remarks
2675 check_cflags -w1
2676 # -wd: Disable following warnings
2677 # 144, 167, 556: -Wno-pointer-sign
2678 # 10006: ignoring unknown option -fno-signed-zeros
2679 # 10156: ignoring option '-W'; no argument required
2680 check_cflags -wd144,167,556,10006,10156
2681 # 11030: Warning unknown option --as-needed
2682 # 10156: ignoring option '-export'; no argument required
2683 check_ldflags -wd10156,11030
2684 # Allow to compile with optimizations
2685 check_ldflags -march=$cpu
2686 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2687 enable ebp_available
2688 elif enabled ccc; then
2689 # disable some annoying warnings
2690 add_cflags -msg_disable cvtu32to64
2691 add_cflags -msg_disable embedcomment
2692 add_cflags -msg_disable needconstext
2693 add_cflags -msg_disable nomainieee
2694 add_cflags -msg_disable ptrmismatch1
2695 add_cflags -msg_disable unreachcode
2696 elif enabled gcc; then
2697 check_cflags -fno-tree-vectorize
2698 elif enabled clang; then
2699 check_cflags -Qunused-arguments
2700 elif enabled armcc; then
2701 # 2523: use of inline assembler is deprecated
2702 add_cflags -Wrvct,--diag_suppress=2523
2703 elif enabled tms470; then
2704 add_cflags -pds=824 -pds=837
2705 fi
2706
2707 if enabled gprof; then
2708 add_cflags -p
2709 add_ldflags -p
2710 fi
2711
2712 # Find out if the .align argument is a power of two or not.
2713 check_asm asmalign_pot '".align 3"'
2714
2715 enabled_any $DECODER_LIST && enable decoders
2716 enabled_any $ENCODER_LIST && enable encoders
2717 enabled_any $HWACCEL_LIST && enable hwaccels
2718 enabled_any $BSF_LIST && enable bsfs
2719 enabled_any $DEMUXER_LIST && enable demuxers
2720 enabled_any $MUXER_LIST && enable muxers
2721 enabled_any $FILTER_LIST && enable filters
2722 enabled_any $INDEV_LIST && enable indevs
2723 enabled_any $OUTDEV_LIST && enable outdevs
2724 enabled_any $PROTOCOL_LIST && enable protocols
2725
2726 enabled_any $THREADS_LIST && enable threads
2727
2728 check_deps $CONFIG_LIST \
2729 $CONFIG_EXTRA \
2730 $HAVE_LIST \
2731 $DECODER_LIST \
2732 $ENCODER_LIST \
2733 $HWACCEL_LIST \
2734 $PARSER_LIST \
2735 $BSF_LIST \
2736 $DEMUXER_LIST \
2737 $MUXER_LIST \
2738 $FILTER_LIST \
2739 $INDEV_LIST \
2740 $OUTDEV_LIST \
2741 $PROTOCOL_LIST \
2742
2743 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2744
2745 echo "install prefix $prefix"
2746 echo "source path $source_path"
2747 echo "C compiler $cc"
2748 echo ".align is power-of-two $asmalign_pot"
2749 echo "ARCH $arch ($cpu)"
2750 if test "$build_suffix" != ""; then
2751 echo "build suffix $build_suffix"
2752 fi
2753 if test "$extra_version" != ""; then
2754 echo "version string suffix $extra_version"
2755 fi
2756 echo "big-endian ${bigendian-no}"
2757 echo "runtime cpu detection ${runtime_cpudetect-no}"
2758 if enabled x86; then
2759 echo "yasm ${yasm-no}"
2760 echo "MMX enabled ${mmx-no}"
2761 echo "MMX2 enabled ${mmx2-no}"
2762 echo "3DNow! enabled ${amd3dnow-no}"
2763 echo "3DNow! extended enabled ${amd3dnowext-no}"
2764 echo "SSE enabled ${sse-no}"
2765 echo "SSSE3 enabled ${ssse3-no}"
2766 echo "CMOV enabled ${cmov-no}"
2767 echo "CMOV is fast ${fast_cmov-no}"
2768 echo "EBX available ${ebx_available-no}"
2769 echo "EBP available ${ebp_available-no}"
2770 echo "10 operands supported ${ten_operands-no}"
2771 fi
2772 if enabled arm; then
2773 echo "ARMv5TE enabled ${armv5te-no}"
2774 echo "ARMv6 enabled ${armv6-no}"
2775 echo "ARMv6T2 enabled ${armv6t2-no}"
2776 echo "ARM VFP enabled ${armvfp-no}"
2777 echo "IWMMXT enabled ${iwmmxt-no}"
2778 echo "NEON enabled ${neon-no}"
2779 fi
2780 if enabled mips; then
2781 echo "MMI enabled ${mmi-no}"
2782 fi
2783 if enabled ppc; then
2784 echo "AltiVec enabled ${altivec-no}"
2785 echo "PPC 4xx optimizations ${ppc4xx-no}"
2786 echo "dcbzl available ${dcbzl-no}"
2787 echo "performance report ${powerpc_perf-no}"
2788 fi
2789 if enabled sparc; then
2790 echo "VIS enabled ${vis-no}"
2791 fi
2792 echo "gprof enabled ${gprof-no}"
2793 echo "debug symbols ${debug-no}"
2794 echo "strip symbols ${stripping-no}"
2795 echo "optimizations ${optimizations-no}"
2796 echo "static ${static-no}"
2797 echo "shared ${shared-no}"
2798 echo "postprocessing support ${postproc-no}"
2799 echo "new filter support ${avfilter-no}"
2800 echo "filters using lavformat ${avfilter_lavf-no}"
2801 echo "network support ${network-no}"
2802 echo "threading support ${thread_type-no}"
2803 echo "SDL support ${sdl-no}"
2804 echo "Sun medialib support ${mlib-no}"
2805 echo "AVISynth enabled ${avisynth-no}"
2806 echo "libdc1394 support ${libdc1394-no}"
2807 echo "libdirac enabled ${libdirac-no}"
2808 echo "libfaac enabled ${libfaac-no}"
2809 echo "libfaad enabled ${libfaad-no}"
2810 echo "libfaad dlopened ${libfaadbin-no}"
2811 echo "libgsm enabled ${libgsm-no}"
2812 echo "libmp3lame enabled ${libmp3lame-no}"
2813 echo "libnut enabled ${libnut-no}"
2814 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2815 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2816 echo "libopenjpeg enabled ${libopenjpeg-no}"
2817 echo "libschroedinger enabled ${libschroedinger-no}"
2818 echo "libspeex enabled ${libspeex-no}"
2819 echo "libtheora enabled ${libtheora-no}"
2820 echo "libvorbis enabled ${libvorbis-no}"
2821 echo "libx264 enabled ${libx264-no}"
2822 echo "libxvid enabled ${libxvid-no}"
2823 echo "zlib enabled ${zlib-no}"
2824 echo "bzlib enabled ${bzlib-no}"
2825 echo
2826
2827 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2828 echo "Enabled ${type}s:"
2829 eval list=\$$(toupper $type)_LIST
2830 for part in $list; do
2831 enabled $part && echo ${part%_*}
2832 done | sort | pr -3 -t
2833 echo
2834 done
2835
2836 license="LGPL version 2.1 or later"
2837 if enabled nonfree; then
2838 license="nonfree and unredistributable"
2839 elif enabled gplv3; then
2840 license="GPL version 3 or later"
2841 elif enabled lgplv3; then
2842 license="LGPL version 3 or later"
2843 elif enabled gpl; then
2844 license="GPL version 2 or later"
2845 fi
2846
2847 echo "License: $license"
2848
2849 echo "Creating config.mak and config.h..."
2850
2851 # build tree in object directory if source path is different from current one
2852 if enabled source_path_used; then
2853 DIRS="
2854 doc
2855 libavcodec
2856 libavcodec/$arch
2857 libavdevice
2858 libavfilter
2859 libavformat
2860 libavutil
2861 libavutil/$arch
2862 libpostproc
2863 libswscale
2864 libswscale/$arch
2865 tests
2866 tools
2867 "
2868 FILES="
2869 Makefile
2870 common.mak
2871 subdir.mak
2872 doc/texi2pod.pl
2873 libavcodec/Makefile
2874 libavdevice/Makefile
2875 libavfilter/Makefile
2876 libavformat/Makefile
2877 libavutil/Makefile
2878 libpostproc/Makefile
2879 libswscale/Makefile
2880 "
2881 for dir in $DIRS ; do
2882 mkdir -p $dir
2883 done
2884 for f in $FILES ; do
2885 $ln_s "$source_path/$f" $f
2886 done
2887 fi
2888
2889 enabled stripping || strip="echo skipping strip"
2890
2891 cat > config.mak <<EOF
2892 # Automatically generated by configure - do not modify!
2893 ifndef FFMPEG_CONFIG_MAK
2894 FFMPEG_CONFIG_MAK=1
2895 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2896 prefix=$prefix
2897 LIBDIR=\$(DESTDIR)$libdir
2898 SHLIBDIR=\$(DESTDIR)$shlibdir
2899 INCDIR=\$(DESTDIR)$incdir
2900 BINDIR=\$(DESTDIR)$bindir
2901 DATADIR=\$(DESTDIR)$datadir
2902 MANDIR=\$(DESTDIR)$mandir
2903 SRC_PATH="$source_path"
2904 SRC_PATH_BARE=$source_path
2905 BUILD_ROOT="$PWD"
2906 ARCH=$arch
2907 CC=$cc
2908 AS=$as
2909 LD=$ld
2910 DEPCC=$dep_cc
2911 YASM=$yasmexe
2912 AR=$ar
2913 RANLIB=$ranlib
2914 LN_S=$ln_s
2915 STRIP=$strip
2916 CPPFLAGS=$CPPFLAGS
2917 CFLAGS=$CFLAGS
2918 ASFLAGS=$ASFLAGS
2919 CC_O=$CC_O
2920 LDFLAGS=$LDFLAGS
2921 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2922 SHFLAGS=$SHFLAGS
2923 YASMFLAGS=$YASMFLAGS
2924 BUILDSUF=$build_suffix
2925 FULLNAME=$FULLNAME
2926 LIBPREF=$LIBPREF
2927 LIBSUF=$LIBSUF
2928 LIBNAME=$LIBNAME
2929 SLIBPREF=$SLIBPREF
2930 SLIBSUF=$SLIBSUF
2931 EXESUF=$EXESUF
2932 EXTRA_VERSION=$extra_version
2933 DEPFLAGS=$DEPFLAGS
2934 CCDEP=$CCDEP
2935 ASDEP=$ASDEP
2936 CC_DEPFLAGS=$CC_DEPFLAGS
2937 AS_DEPFLAGS=$AS_DEPFLAGS
2938 HOSTCC=$host_cc
2939 HOSTCFLAGS=$host_cflags
2940 HOSTEXESUF=$HOSTEXESUF
2941 HOSTLDFLAGS=$host_ldflags
2942 HOSTLIBS=$host_libs
2943 TARGET_EXEC=$target_exec
2944 TARGET_PATH=$target_path
2945 SDL_LIBS=$sdl_libs
2946 SDL_CFLAGS=$sdl_cflags
2947 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2948 EXTRALIBS=$extralibs
2949 EOF
2950
2951 get_version(){
2952 name=$1
2953 file=$source_path/$2
2954 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2955 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2956 lcname=$(tolower $name)
2957 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2958 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2959 }
2960
2961 get_version LIBSWSCALE libswscale/swscale.h
2962 get_version LIBPOSTPROC libpostproc/postprocess.h
2963 get_version LIBAVCODEC libavcodec/avcodec.h
2964 get_version LIBAVDEVICE libavdevice/avdevice.h
2965 get_version LIBAVFORMAT libavformat/avformat.h
2966 get_version LIBAVUTIL libavutil/avutil.h
2967 get_version LIBAVFILTER libavfilter/avfilter.h
2968
2969 enabled shared && cat >> config.mak <<EOF
2970 LIBTARGET=${LIBTARGET}
2971 SLIBNAME=${SLIBNAME}
2972 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2973 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2974 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2975 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2976 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2977 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2978 EOF
2979
2980 enabled asmalign_pot || align_shift="1 <<"
2981
2982 cat > $TMPH <<EOF
2983 /* Automatically generated by configure - do not modify! */
2984 #ifndef FFMPEG_CONFIG_H
2985 #define FFMPEG_CONFIG_H
2986 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2987 #define FFMPEG_LICENSE "$(c_escape $license)"
2988 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2989 #define CC_TYPE "$cc_type"
2990 #define CC_VERSION $cc_version
2991 #define restrict $_restrict
2992 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2993 #define EXTERN_PREFIX "${extern_prefix}"
2994 #define EXTERN_ASM ${extern_prefix}
2995 EOF
2996
2997 test -n "$malloc_prefix" &&
2998 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2999
3000 if enabled small || disabled optimizations; then
3001 echo "#define av_always_inline" >> $TMPH
3002 fi
3003
3004 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3005 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3006 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3007 $CONFIG_EXTRA \
3008 $DECODER_LIST \
3009 $ENCODER_LIST \
3010 $HWACCEL_LIST \
3011 $PARSER_LIST \
3012 $BSF_LIST \
3013 $DEMUXER_LIST \
3014 $MUXER_LIST \
3015 $FILTER_LIST \
3016 $PROTOCOL_LIST \
3017 $INDEV_LIST \
3018 $OUTDEV_LIST \
3019
3020 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3021 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3022
3023 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3024 cp_if_changed $TMPH config.h
3025
3026 cat > $TMPH <<EOF
3027 /* Generated by ffconf */
3028 #ifndef AVUTIL_AVCONFIG_H
3029 #define AVUTIL_AVCONFIG_H
3030 EOF
3031
3032 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3033
3034 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3035
3036 cp_if_changed $TMPH libavutil/avconfig.h
3037
3038 # build pkg-config files
3039
3040 pkgconfig_generate(){
3041 name=$1
3042 shortname=${name#lib}${build_suffix}
3043 comment=$2
3044 version=$3
3045 libs=$4
3046 requires=$5
3047 cat <<EOF > $name/$name.pc
3048 prefix=$prefix
3049 exec_prefix=\${prefix}
3050 libdir=$libdir
3051 includedir=$incdir
3052
3053 Name: $name
3054 Description: $comment
3055 Version: $version
3056 Requires: $(enabled shared || echo $requires)
3057 Requires.private: $(enabled shared && echo $requires)
3058 Conflicts:
3059 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3060 Libs.private: $(enabled shared && echo $libs)
3061 Cflags: -I\${includedir}
3062 EOF
3063 cat <<EOF > $name/$name-uninstalled.pc
3064 prefix=
3065 exec_prefix=
3066 libdir=\${pcfiledir}
3067 includedir=${source_path}
3068
3069 Name: $name
3070 Description: $comment
3071 Version: $version
3072 Requires: $requires
3073 Conflicts:
3074 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3075 Cflags: -I\${includedir}
3076 EOF
3077 }
3078
3079 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3080 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3081 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3082 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3083 enabled avfilter &&
3084 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3085 enabled postproc &&
3086 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3087 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"