Enable the TrueHD decoder when the MLP decoder is enabled.
[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 --enable-postproc enable GPLed postprocessing support [no]
87 --enable-avfilter video filter support [no]
88 --enable-avfilter-lavf video filters dependent on avformat [no]
89 --enable-beosthreads use BeOS threads [no]
90 --enable-os2threads use OS/2 threads [no]
91 --enable-pthreads use pthreads [no]
92 --enable-w32threads use Win32 threads [no]
93 --enable-x11grab enable X11 grabbing [no]
94 --disable-network disable network support [no]
95 --disable-ipv6 disable IPv6 support [no]
96 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-fft disable FFT code
103 --disable-golomb disable Golomb code
104 --disable-lpc disable LPC code
105 --disable-mdct disable MDCT code
106 --disable-rdft disable RDFT code
107 --disable-vaapi disable VAAPI code
108 --disable-vdpau disable VDPAU code
109 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
110 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
111 --enable-memalign-hack emulate memalign, interferes with memory debuggers
112 --enable-beos-netserver enable BeOS netserver
113 --disable-encoder=NAME disable encoder NAME
114 --enable-encoder=NAME enable encoder NAME
115 --disable-encoders disable all encoders
116 --disable-decoder=NAME disable decoder NAME
117 --enable-decoder=NAME enable decoder NAME
118 --disable-decoders disable all decoders
119 --disable-hwaccel=NAME disable hwaccel NAME
120 --enable-hwaccel=NAME enable hwaccel NAME
121 --disable-hwaccels disable all hwaccels
122 --disable-muxer=NAME disable muxer NAME
123 --enable-muxer=NAME enable muxer NAME
124 --disable-muxers disable all muxers
125 --disable-demuxer=NAME disable demuxer NAME
126 --enable-demuxer=NAME enable demuxer NAME
127 --disable-demuxers disable all demuxers
128 --enable-parser=NAME enable parser NAME
129 --disable-parser=NAME disable parser NAME
130 --disable-parsers disable all parsers
131 --enable-bsf=NAME enable bitstream filter NAME
132 --disable-bsf=NAME disable bitstream filter NAME
133 --disable-bsfs disable all bitstream filters
134 --enable-protocol=NAME enable protocol NAME
135 --disable-protocol=NAME disable protocol NAME
136 --disable-protocols disable all protocols
137 --disable-indev=NAME disable input device NAME
138 --disable-outdev=NAME disable output device NAME
139 --disable-indevs disable input devices
140 --disable-outdevs disable output devices
141 --disable-devices disable all devices
142 --enable-filter=NAME enable filter NAME
143 --disable-filter=NAME disable filter NAME
144 --disable-filters disable all filters
145 --list-decoders show all available decoders
146 --list-encoders show all available encoders
147 --list-hwaccels show all available hardware accelerators
148 --list-muxers show all available muxers
149 --list-demuxers show all available demuxers
150 --list-parsers show all available parsers
151 --list-protocols show all available protocols
152 --list-bsfs show all available bitstream filters
153 --list-indevs show all available input devices
154 --list-outdevs show all available output devices
155 --list-filters show all available filters
156
157 External library support:
158 --enable-avisynth enable reading of AVISynth script files [no]
159 --enable-bzlib enable bzlib [autodetect]
160 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
161 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
162 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
163 and libraw1394 [no]
164 --enable-libdirac enable Dirac support via libdirac [no]
165 --enable-libfaac enable FAAC support via libfaac [no]
166 --enable-libfaad enable FAAD support via libfaad [no]
167 --enable-libfaadbin open libfaad.so.0 at runtime [no]
168 --enable-libgsm enable GSM support via libgsm [no]
169 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
170 --enable-libnut enable NUT (de)muxing via libnut,
171 native (de)muxer exists [no]
172 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
173 --enable-libschroedinger enable Dirac support via libschroedinger [no]
174 --enable-libspeex enable Speex decoding via libspeex [no]
175 --enable-libtheora enable Theora encoding via libtheora [no]
176 --enable-libvorbis enable Vorbis encoding via libvorbis,
177 native implementation exists [no]
178 --enable-libx264 enable H.264 encoding via x264 [no]
179 --enable-libxvid enable Xvid encoding via xvidcore,
180 native MPEG-4/Xvid encoder exists [no]
181 --enable-mlib enable Sun medialib [no]
182 --enable-zlib enable zlib [autodetect]
183
184 Advanced options (experts only):
185 --source-path=PATH path to source code [$source_path]
186 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
187 --enable-cross-compile assume a cross-compiler is used
188 --sysroot=PATH root of cross-build tree
189 --sysinclude=PATH location of cross-build system headers
190 --target-os=OS compiler targets OS [$target_os]
191 --target-exec=CMD command to run executables on target
192 --target-path=DIR path to view of build directory on target
193 --nm=NM use nm tool
194 --as=AS use assembler AS [$as_default]
195 --cc=CC use C compiler CC [$cc_default]
196 --ld=LD use linker LD
197 --host-cc=HOSTCC use host C compiler HOSTCC
198 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
199 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
200 --host-libs=HLIBS use libs HLIBS when linking for host
201 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
202 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
203 --extra-libs=ELIBS add ELIBS [$ELIBS]
204 --extra-version=STRING version string suffix []
205 --build-suffix=SUFFIX library name suffix []
206 --arch=ARCH select architecture [$arch]
207 --cpu=CPU select the minimum required CPU (affects
208 instruction selection, may crash on older CPUs)
209 --enable-powerpc-perf enable performance report on PPC
210 (requires enabling PMC)
211 --disable-altivec disable AltiVec optimizations
212 --disable-amd3dnow disable 3DNow! optimizations
213 --disable-amd3dnowext disable 3DNow! extended optimizations
214 --disable-mmx disable MMX optimizations
215 --disable-mmx2 disable MMX2 optimizations
216 --disable-sse disable SSE optimizations
217 --disable-ssse3 disable SSSE3 optimizations
218 --disable-armv5te disable armv5te optimizations
219 --disable-armv6 disable armv6 optimizations
220 --disable-armv6t2 disable armv6t2 optimizations
221 --disable-armvfp disable ARM VFP optimizations
222 --disable-iwmmxt disable iwmmxt optimizations
223 --disable-mmi disable MMI optimizations
224 --disable-neon disable neon optimizations
225 --disable-vis disable VIS optimizations
226 --disable-yasm disable use of yasm assembler
227 --enable-pic build position-independent code
228
229 Developer options (useful when working on FFmpeg itself):
230 --disable-debug disable debugging symbols
231 --enable-debug=LEVEL set the debug level [$debuglevel]
232 --enable-gprof enable profiling with gprof [$gprof]
233 --disable-optimizations disable compiler optimizations
234 --enable-extra-warnings enable more compiler warnings
235 --disable-stripping disable stripping of executables and shared libraries
236
237 NOTE: Object files are built at the place where configure is launched.
238 EOF
239 exit 0
240 }
241
242 log(){
243 echo "$@" >> $logfile
244 }
245
246 log_file(){
247 log BEGIN $1
248 pr -n -t $1 >> $logfile
249 log END $1
250 }
251
252 echolog(){
253 log "$@"
254 echo "$@"
255 }
256
257 die(){
258 echolog "$@"
259 cat <<EOF
260
261 If you think configure made a mistake, make sure you are using the latest
262 version from SVN. If the latest version fails, report the problem to the
263 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
264 EOF
265 if disabled logging; then
266 cat <<EOF
267 Rerun configure with logging enabled (do not use --disable-logging), and
268 include the log this produces with your report.
269 EOF
270 else
271 cat <<EOF
272 Include the log file "$logfile" produced by configure as this will help
273 solving the problem.
274 EOF
275 fi
276 exit 1
277 }
278
279 # Avoid locale weirdness, besides we really just want to translate ASCII.
280 toupper(){
281 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
282 }
283
284 tolower(){
285 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
286 }
287
288 c_escape(){
289 echo "$*" | sed 's/["\\]/\\\0/g'
290 }
291
292 sh_quote(){
293 v=$(echo "$1" | sed "s/'/'\\\\''/g")
294 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
295 echo "$v"
296 }
297
298 filter(){
299 pat=$1
300 shift
301 for v; do
302 eval "case $v in $pat) echo $v ;; esac"
303 done
304 }
305
306 set_all(){
307 value=$1
308 shift
309 for var in $*; do
310 eval $var=$value
311 done
312 }
313
314 set_weak(){
315 value=$1
316 shift
317 for var; do
318 eval : \${$var:=$value}
319 done
320 }
321
322 pushvar(){
323 for var in $*; do
324 eval level=\${${var}_level:=0}
325 eval ${var}_${level}="\$$var"
326 eval ${var}_level=$(($level+1))
327 done
328 }
329
330 popvar(){
331 for var in $*; do
332 eval level=\${${var}_level:-0}
333 test $level = 0 && continue
334 eval level=$(($level-1))
335 eval $var="\${${var}_${level}}"
336 eval ${var}_level=$level
337 eval unset ${var}_${level}
338 done
339 }
340
341 enable(){
342 set_all yes $*
343 }
344
345 disable(){
346 set_all no $*
347 }
348
349 enable_weak(){
350 set_weak yes $*
351 }
352
353 disable_weak(){
354 set_weak no $*
355 }
356
357 enable_safe(){
358 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
359 }
360
361 disable_safe(){
362 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
363 }
364
365 do_enable_deep(){
366 for var; do
367 enabled $var && continue
368 eval sel="\$${var}_select"
369 eval sgs="\$${var}_suggest"
370 pushvar var sgs
371 enable_deep $sel
372 popvar sgs
373 enable_deep_weak $sgs
374 popvar var
375 done
376 }
377
378 enable_deep(){
379 do_enable_deep $*
380 enable $*
381 }
382
383 enable_deep_weak(){
384 do_enable_deep $*
385 enable_weak $*
386 }
387
388 enabled(){
389 test "${1#!}" = "$1" && op== || op=!=
390 eval test "x\$${1#!}" $op "xyes"
391 }
392
393 disabled(){
394 test "${1#!}" = "$1" && op== || op=!=
395 eval test "x\$${1#!}" $op "xno"
396 }
397
398 enabled_all(){
399 for opt; do
400 enabled $opt || return 1
401 done
402 }
403
404 disabled_all(){
405 for opt; do
406 disabled $opt || return 1
407 done
408 }
409
410 enabled_any(){
411 for opt; do
412 enabled $opt && return 0
413 done
414 }
415
416 disabled_any(){
417 for opt; do
418 disabled $opt && return 0
419 done
420 return 1
421 }
422
423 set_default(){
424 for opt; do
425 eval : \${$opt:=\$${opt}_default}
426 done
427 }
428
429 is_in(){
430 value=$1
431 shift
432 for var in $*; do
433 [ $var = $value ] && return 0
434 done
435 return 1
436 }
437
438 check_deps(){
439 for cfg; do
440 cfg="${cfg#!}"
441 enabled ${cfg}_checking && die "Circular dependency for $cfg."
442 disabled ${cfg}_checking && continue
443 enable ${cfg}_checking
444
445 eval dep_all="\$${cfg}_deps"
446 eval dep_any="\$${cfg}_deps_any"
447 eval dep_sel="\$${cfg}_select"
448 eval dep_sgs="\$${cfg}_suggest"
449
450 pushvar cfg dep_all dep_any dep_sel dep_sgs
451 check_deps $dep_all $dep_any $dep_sel $dep_sgs
452 popvar cfg dep_all dep_any dep_sel dep_sgs
453
454 enabled_all $dep_all || disable $cfg
455 enabled_any $dep_any || disable $cfg
456 disabled_any $dep_sel && disable $cfg
457
458 if enabled $cfg; then
459 eval dep_extralibs="\$${cfg}_extralibs"
460 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
461 enable_deep $dep_sel
462 enable_deep_weak $dep_sgs
463 fi
464
465 disable ${cfg}_checking
466 done
467 }
468
469 print_config(){
470 pfx=$1
471 header=$2
472 makefile=$3
473 shift 3
474 for cfg; do
475 ucname="$(toupper $cfg)"
476 if enabled $cfg; then
477 echo "#define ${pfx}${ucname} 1" >> $header
478 echo "${pfx}${ucname}=yes" >> $makefile
479 else
480 echo "#define ${pfx}${ucname} 0" >> $header
481 fi
482 done
483 }
484
485 flags_saved(){
486 (: ${SAVE_CFLAGS?}) 2> /dev/null
487 }
488
489 save_flags(){
490 flags_saved && return
491 SAVE_CFLAGS="$CFLAGS"
492 SAVE_LDFLAGS="$LDFLAGS"
493 SAVE_extralibs="$extralibs"
494 }
495
496 restore_flags(){
497 flags_saved || return
498 CFLAGS="$SAVE_CFLAGS"
499 LDFLAGS="$SAVE_LDFLAGS"
500 extralibs="$SAVE_extralibs"
501 unset SAVE_CFLAGS
502 unset SAVE_LDFLAGS
503 unset SAVE_extralibs
504 }
505
506 temp_cflags(){
507 save_flags
508 CFLAGS="$CFLAGS $*"
509 }
510
511 temp_ldflags(){
512 save_flags
513 LDFLAGS="$LDFLAGS $*"
514 }
515
516 temp_extralibs(){
517 save_flags
518 extralibs="$extralibs $*"
519 }
520
521 append(){
522 var=$1
523 shift
524 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
525 eval "$var=\"\$$var $*\""
526 }
527
528 add_cppflags(){
529 append CPPFLAGS $($filter_cppflags "$@")
530 }
531
532 add_cflags(){
533 append CFLAGS $($filter_cflags "$@")
534 }
535
536 add_asflags(){
537 append ASFLAGS $($filter_asflags "$@")
538 }
539
540 add_ldflags(){
541 append LDFLAGS "$@"
542 }
543
544 add_extralibs(){
545 append extralibs "$@"
546 }
547
548 check_cmd(){
549 log "$@"
550 "$@" >> $logfile 2>&1
551 }
552
553 check_cc(){
554 log check_cc "$@"
555 cat > $TMPC
556 log_file $TMPC
557 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
558 }
559
560 check_cpp(){
561 log check_cpp "$@"
562 cat > $TMPC
563 log_file $TMPC
564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
565 }
566
567 check_as(){
568 log check_as "$@"
569 cat > $TMPC
570 log_file $TMPC
571 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
572 }
573
574 check_asm(){
575 log check_asm "$@"
576 name="$1"
577 asm="$2"
578 shift 2
579 disable $name
580 check_as "$@" <<EOF && enable $name
581 void foo(void){ __asm__ volatile($asm); }
582 EOF
583 }
584
585 check_yasm(){
586 log check_yasm "$@"
587 echo "$1" > $TMPS
588 log_file $TMPS
589 shift 1
590 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591 }
592
593 check_ld(){
594 log check_ld "$@"
595 check_cc || return
596 flags=''
597 libs=''
598 for f; do
599 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
600 done
601 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
602 }
603
604 check_cppflags(){
605 log check_cppflags "$@"
606 set -- $($filter_cppflags "$@")
607 check_cc "$@" <<EOF && append CPPFLAGS "$@"
608 int x;
609 EOF
610 }
611
612 check_cflags(){
613 log check_cflags "$@"
614 set -- $($filter_cflags "$@")
615 check_cc "$@" <<EOF && append CFLAGS "$@"
616 int x;
617 EOF
618 }
619
620 check_ldflags(){
621 log check_ldflags "$@"
622 check_ld "$@" <<EOF && add_ldflags "$@"
623 int main(void){ return 0; }
624 EOF
625 }
626
627 check_header(){
628 log check_header "$@"
629 header=$1
630 shift
631 disable_safe $header
632 check_cpp "$@" <<EOF && enable_safe $header
633 #include <$header>
634 int x;
635 EOF
636 }
637
638 check_func(){
639 log check_func "$@"
640 func=$1
641 shift
642 disable $func
643 check_ld "$@" <<EOF && enable $func
644 extern int $func();
645 int main(void){ $func(); }
646 EOF
647 }
648
649 check_func_headers(){
650 log check_func_headers "$@"
651 headers=$1
652 func=$2
653 shift 2
654 disable $func
655 incs=""
656 for hdr in $headers; do
657 incs="$incs
658 #include <$hdr>"
659 done
660 check_ld "$@" <<EOF && enable $func && enable_safe $headers
661 $incs
662 int main(int argc, char **argv){
663 return (long) $func;
664 }
665 EOF
666 }
667
668 check_cpp_condition(){
669 log check_cpp_condition "$@"
670 header=$1
671 condition=$2
672 check_cpp <<EOF
673 #include <$header>
674 #if !($condition)
675 #error "unsatisfied condition: $condition"
676 #endif
677 EOF
678 }
679
680 check_lib(){
681 log check_lib "$@"
682 header="$1"
683 func="$2"
684 shift 2
685 temp_extralibs "$@"
686 check_header $header && check_func $func && add_extralibs "$@"
687 err=$?
688 restore_flags
689 return $err
690 }
691
692 check_lib2(){
693 log check_lib2 "$@"
694 headers="$1"
695 func="$2"
696 shift 2
697 temp_extralibs "$@"
698 check_func_headers "$headers" $func && add_extralibs "$@"
699 err=$?
700 restore_flags
701 return $err
702 }
703
704 check_exec(){
705 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
706 }
707
708 check_exec_crash(){
709 code=$(cat)
710
711 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
712 # are safe but may not be available everywhere. Thus we use
713 # raise(SIGTERM) instead. The check is run in a subshell so we
714 # can redirect the "Terminated" message from the shell. SIGBUS
715 # is not defined by standard C so it is used conditionally.
716
717 (check_exec "$@") >> $logfile 2>&1 <<EOF
718 #include <signal.h>
719 static void sighandler(int sig){
720 raise(SIGTERM);
721 }
722 int main(void){
723 signal(SIGILL, sighandler);
724 signal(SIGFPE, sighandler);
725 signal(SIGSEGV, sighandler);
726 #ifdef SIGBUS
727 signal(SIGBUS, sighandler);
728 #endif
729 { $code }
730 }
731 EOF
732 }
733
734 check_type(){
735 log check_type "$@"
736 headers=$1
737 type=$2
738 shift 2
739 disable $type
740 incs=""
741 for hdr in $headers; do
742 incs="$incs
743 #include <$hdr>"
744 done
745 check_cc "$@" <<EOF && enable $type
746 $incs
747 $type v;
748 EOF
749 }
750
751 require(){
752 name="$1"
753 header="$2"
754 func="$3"
755 shift 3
756 check_lib $header $func "$@" || die "ERROR: $name not found"
757 }
758
759 require2(){
760 name="$1"
761 headers="$2"
762 func="$3"
763 shift 3
764 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
765 }
766
767 check_foo_config(){
768 cfg=$1
769 pkg=$2
770 header=$3
771 func=$4
772 shift 4
773 disable $cfg
774 check_cmd ${pkg}-config --version
775 err=$?
776 if test "$err" = 0; then
777 temp_cflags $(${pkg}-config --cflags)
778 temp_extralibs $(${pkg}-config --libs)
779 check_lib "$@" $header $func && enable $cfg
780 fi
781 return $err
782 }
783
784 check_host_cc(){
785 log check_host_cc "$@"
786 cat > $TMPC
787 log_file $TMPC
788 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
789 }
790
791 check_host_cflags(){
792 log check_host_cflags "$@"
793 check_host_cc "$@" <<EOF && append host_cflags "$@"
794 int x;
795 EOF
796 }
797
798 apply(){
799 file=$1
800 shift
801 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
802 }
803
804 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
805 # system-dependent things.
806
807 COMPONENT_LIST="
808 bsfs
809 decoders
810 demuxers
811 encoders
812 filters
813 hwaccels
814 indevs
815 muxers
816 outdevs
817 parsers
818 protocols
819 "
820
821 CONFIG_LIST="
822 $COMPONENT_LIST
823 aandct
824 avfilter
825 avfilter_lavf
826 avisynth
827 beos_netserver
828 bzlib
829 doc
830 fastdiv
831 ffmpeg
832 ffplay
833 ffserver
834 fft
835 golomb
836 gpl
837 gprof
838 gray
839 hardcoded_tables
840 ipv6
841 libdc1394
842 libdirac
843 libfaac
844 libfaad
845 libfaadbin
846 libgsm
847 libmp3lame
848 libnut
849 libopencore_amrnb
850 libopencore_amrwb
851 libopenjpeg
852 libschroedinger
853 libspeex
854 libtheora
855 libvorbis
856 libx264
857 libxvid
858 lpc
859 mdct
860 memalign_hack
861 mlib
862 mpegaudio_hp
863 network
864 nonfree
865 pic
866 postproc
867 powerpc_perf
868 rdft
869 runtime_cpudetect
870 shared
871 small
872 static
873 swscale_alpha
874 vaapi
875 vdpau
876 version3
877 x11grab
878 zlib
879 "
880
881 THREADS_LIST='
882 beosthreads
883 os2threads
884 pthreads
885 w32threads
886 '
887
888 ARCH_LIST='
889 alpha
890 arm
891 avr32
892 avr32_ap
893 avr32_uc
894 bfin
895 ia64
896 m68k
897 mips
898 mips64
899 parisc
900 ppc
901 ppc64
902 s390
903 sh4
904 sparc
905 sparc64
906 x86
907 x86_32
908 x86_64
909 '
910
911 ARCH_EXT_LIST='
912 altivec
913 amd3dnow
914 amd3dnowext
915 armv5te
916 armv6
917 armv6t2
918 armvfp
919 iwmmxt
920 mmi
921 mmx
922 mmx2
923 neon
924 ppc4xx
925 sse
926 ssse3
927 vis
928 '
929
930 HAVE_LIST="
931 $ARCH_EXT_LIST
932 $THREADS_LIST
933 alsa_asoundlib_h
934 altivec_h
935 arpa_inet_h
936 attribute_packed
937 bigendian
938 bswap
939 closesocket
940 cmov
941 conio_h
942 dcbzl
943 dev_bktr_ioctl_bt848_h
944 dev_bktr_ioctl_meteor_h
945 dev_ic_bt8xx_h
946 dev_video_meteor_ioctl_meteor_h
947 dev_video_bktr_ioctl_bt848_h
948 dlfcn_h
949 dlopen
950 dos_paths
951 ebp_available
952 ebx_available
953 fast_64bit
954 fast_cmov
955 fast_unaligned
956 fork
957 gethrtime
958 GetProcessTimes
959 getrusage
960 inet_aton
961 inline_asm
962 isatty
963 ldbrx
964 libdc1394_1
965 libdc1394_2
966 llrint
967 log2
968 loongson
969 lrint
970 lrintf
971 lzo1x_999_compress
972 machine_ioctl_bt848_h
973 machine_ioctl_meteor_h
974 malloc_h
975 memalign
976 mkstemp
977 pld
978 posix_memalign
979 round
980 roundf
981 sdl
982 sdl_video_size
983 setmode
984 socklen_t
985 soundcard_h
986 poll_h
987 sys_mman_h
988 sys_resource_h
989 sys_select_h
990 sys_soundcard_h
991 sys_videoio_h
992 ten_operands
993 termios_h
994 threads
995 truncf
996 vfp_args
997 VirtualAlloc
998 winsock2_h
999 xform_asm
1000 yasm
1001 "
1002
1003 # options emitted with CONFIG_ prefix but not available on command line
1004 CONFIG_EXTRA="
1005 gplv3
1006 lgplv3
1007 "
1008
1009 CMDLINE_SELECT="
1010 $ARCH_EXT_LIST
1011 $CONFIG_LIST
1012 $THREADS_LIST
1013 cross_compile
1014 debug
1015 extra_warnings
1016 logging
1017 optimizations
1018 stripping
1019 yasm
1020 "
1021
1022 PATHS_LIST='
1023 bindir
1024 datadir
1025 incdir
1026 libdir
1027 mandir
1028 prefix
1029 shlibdir
1030 '
1031
1032 CMDLINE_SET="
1033 $PATHS_LIST
1034 arch
1035 as
1036 build_suffix
1037 cc
1038 cpu
1039 cross_prefix
1040 dep_cc
1041 extra_version
1042 host_cc
1043 host_cflags
1044 host_ldflags
1045 host_libs
1046 host_os
1047 ld
1048 logfile
1049 nm
1050 source_path
1051 sysinclude
1052 sysroot
1053 target_exec
1054 target_os
1055 target_path
1056 "
1057
1058 CMDLINE_APPEND="
1059 extra_cflags
1060 "
1061
1062 # code dependency declarations
1063
1064 # architecture extensions
1065 altivec_deps="ppc"
1066 amd3dnow_deps="mmx"
1067 amd3dnowext_deps="amd3dnow"
1068 armv5te_deps="arm"
1069 armv6_deps="arm"
1070 armv6t2_deps="arm"
1071 armvfp_deps="arm"
1072 iwmmxt_deps="arm"
1073 mmi_deps="mips"
1074 mmx_deps="x86"
1075 mmx2_deps="mmx"
1076 neon_deps="arm"
1077 ppc4xx_deps="ppc"
1078 sse_deps="mmx"
1079 ssse3_deps="sse"
1080 vis_deps="sparc"
1081
1082 need_memalign="altivec neon sse"
1083 inline_asm_deps="!tms470"
1084
1085 # decoders / encoders / hardware accelerators
1086 aac_decoder_select="fft mdct aac_parser"
1087 aac_encoder_select="fft mdct"
1088 ac3_decoder_select="fft mdct ac3_parser"
1089 alac_encoder_select="lpc"
1090 atrac3_decoder_select="fft mdct"
1091 cavs_decoder_select="golomb"
1092 cook_decoder_select="fft mdct"
1093 cscd_decoder_suggest="zlib"
1094 dca_decoder_select="fft mdct"
1095 dnxhd_encoder_select="aandct"
1096 dxa_decoder_select="zlib"
1097 eac3_decoder_select="ac3_decoder"
1098 eamad_decoder_select="aandct"
1099 eatgq_decoder_select="aandct"
1100 eatqi_decoder_select="aandct"
1101 ffv1_decoder_select="golomb"
1102 flac_decoder_select="golomb"
1103 flac_encoder_select="golomb lpc"
1104 flashsv_decoder_select="zlib"
1105 flashsv_encoder_select="zlib"
1106 flv_decoder_select="h263_decoder"
1107 flv_encoder_select="h263_encoder"
1108 h261_encoder_select="aandct"
1109 h263_decoder_select="h263_parser"
1110 h263_encoder_select="aandct"
1111 h263_vaapi_hwaccel_deps="va_va_h"
1112 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1113 h263i_decoder_select="h263_decoder"
1114 h263p_encoder_select="h263_encoder"
1115 h264_decoder_select="golomb"
1116 h264_vaapi_hwaccel_deps="va_va_h"
1117 h264_vaapi_hwaccel_select="vaapi"
1118 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1119 h264_vdpau_decoder_select="vdpau h264_decoder"
1120 imc_decoder_select="fft mdct"
1121 jpegls_decoder_select="golomb"
1122 jpegls_encoder_select="golomb"
1123 ljpeg_encoder_select="aandct"
1124 loco_decoder_select="golomb"
1125 mjpeg_encoder_select="aandct"
1126 mpeg1video_encoder_select="aandct"
1127 mpeg2video_encoder_select="aandct"
1128 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1129 mpeg4_encoder_select="h263_encoder"
1130 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1131 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1132 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1133 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1134 mpeg2_vaapi_hwaccel_deps="va_va_h"
1135 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1136 mpeg4_vaapi_hwaccel_deps="va_va_h"
1137 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1138 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1139 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1140 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1141 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1142 msmpeg4v1_decoder_select="h263_decoder"
1143 msmpeg4v1_encoder_select="h263_encoder"
1144 msmpeg4v2_decoder_select="h263_decoder"
1145 msmpeg4v2_encoder_select="h263_encoder"
1146 msmpeg4v3_decoder_select="h263_decoder"
1147 msmpeg4v3_encoder_select="h263_encoder"
1148 nellymoser_decoder_select="fft mdct"
1149 nellymoser_encoder_select="fft mdct"
1150 png_decoder_select="zlib"
1151 png_encoder_select="zlib"
1152 qdm2_decoder_select="fft mdct rdft"
1153 rv10_decoder_select="h263_decoder"
1154 rv10_encoder_select="h263_encoder"
1155 rv20_decoder_select="h263_decoder"
1156 rv20_encoder_select="h263_encoder"
1157 rv30_decoder_select="golomb"
1158 rv40_decoder_select="golomb"
1159 shorten_decoder_select="golomb"
1160 sonic_decoder_select="golomb"
1161 sonic_encoder_select="golomb"
1162 sonic_ls_encoder_select="golomb"
1163 svq3_decoder_select="golomb"
1164 svq3_decoder_suggest="zlib"
1165 theora_decoder_select="vp3_decoder"
1166 tiff_decoder_suggest="zlib"
1167 tiff_encoder_suggest="zlib"
1168 truehd_decoder_select="mlp_decoder"
1169 tscc_decoder_select="zlib"
1170 vc1_decoder_select="h263_decoder"
1171 vc1_vaapi_hwaccel_deps="va_va_h"
1172 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1173 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1174 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1175 vorbis_decoder_select="fft mdct"
1176 vorbis_encoder_select="fft mdct"
1177 vp6a_decoder_select="vp6_decoder"
1178 vp6f_decoder_select="vp6_decoder"
1179 wmav1_decoder_select="fft mdct"
1180 wmav1_encoder_select="fft mdct"
1181 wmav2_decoder_select="fft mdct"
1182 wmav2_encoder_select="fft mdct"
1183 wmv1_decoder_select="h263_decoder"
1184 wmv1_encoder_select="h263_encoder"
1185 wmv2_decoder_select="h263_decoder"
1186 wmv2_encoder_select="h263_encoder"
1187 wmv3_decoder_select="vc1_decoder"
1188 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1189 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1190 zlib_decoder_select="zlib"
1191 zlib_encoder_select="zlib"
1192 zmbv_decoder_select="zlib"
1193 zmbv_encoder_select="zlib"
1194
1195 # parsers
1196 h264_parser_select="golomb"
1197
1198 # bitstream_filters
1199 aac_adtstoasc_bsf_select="aac_parser"
1200
1201 # external libraries
1202 libdirac_decoder_deps="libdirac !libschroedinger"
1203 libdirac_encoder_deps="libdirac"
1204 libfaac_encoder_deps="libfaac"
1205 libfaad_decoder_deps="libfaad"
1206 libfaadbin_decoder_extralibs='$ldl'
1207 libgsm_decoder_deps="libgsm"
1208 libgsm_encoder_deps="libgsm"
1209 libgsm_ms_decoder_deps="libgsm"
1210 libgsm_ms_encoder_deps="libgsm"
1211 libmp3lame_encoder_deps="libmp3lame"
1212 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1213 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1214 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1215 libopenjpeg_decoder_deps="libopenjpeg"
1216 libschroedinger_decoder_deps="libschroedinger"
1217 libschroedinger_encoder_deps="libschroedinger"
1218 libspeex_decoder_deps="libspeex"
1219 libtheora_encoder_deps="libtheora"
1220 libvorbis_encoder_deps="libvorbis"
1221 libx264_encoder_deps="libx264"
1222 libxvid_encoder_deps="libxvid"
1223
1224 # demuxers / muxers
1225 ac3_demuxer_deps="ac3_parser"
1226 asf_stream_muxer_select="asf_muxer"
1227 avisynth_demuxer_deps="avisynth"
1228 dirac_demuxer_deps="dirac_parser"
1229 eac3_demuxer_select="ac3_parser"
1230 ipod_muxer_select="mov_muxer"
1231 libnut_demuxer_deps="libnut"
1232 libnut_muxer_deps="libnut"
1233 matroska_audio_muxer_select="matroska_muxer"
1234 matroska_demuxer_suggest="zlib bzlib"
1235 mov_demuxer_suggest="zlib"
1236 mp3_demuxer_deps="mpegaudio_parser"
1237 mp4_muxer_select="mov_muxer"
1238 mpegtsraw_demuxer_select="mpegts_demuxer"
1239 mxf_d10_muxer_select="mxf_muxer"
1240 psp_muxer_select="mov_muxer"
1241 rtp_muxer_deps="network rtp_protocol"
1242 rtsp_demuxer_deps="sdp_demuxer"
1243 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1244 spdif_muxer_select="aac_parser"
1245 tg2_muxer_select="mov_muxer"
1246 tgp_muxer_select="mov_muxer"
1247 w64_demuxer_deps="wav_demuxer"
1248
1249 # indevs / outdevs
1250 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1251 alsa_indev_extralibs="-lasound"
1252 alsa_outdev_deps="alsa_asoundlib_h"
1253 alsa_outdev_extralibs="-lasound"
1254 audio_beos_indev_deps="audio_beos"
1255 audio_beos_indev_extralibs="-lmedia -lbe"
1256 audio_beos_outdev_deps="audio_beos"
1257 audio_beos_outdev_extralibs="-lmedia -lbe"
1258 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1259 dv1394_indev_deps="dv1394 dv_demuxer"
1260 jack_indev_deps="jack_jack_h"
1261 jack_indev_extralibs="-ljack"
1262 libdc1394_indev_deps="libdc1394"
1263 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1264 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1265 v4l_indev_deps="linux_videodev_h"
1266 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1267 vfwcap_indev_deps="capCreateCaptureWindow"
1268 vfwcap_indev_extralibs="-lvfw32"
1269 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1270 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1271
1272 # protocols
1273 gopher_protocol_deps="network"
1274 http_protocol_deps="network"
1275 rtmp_protocol_deps="tcp_protocol"
1276 rtp_protocol_deps="udp_protocol"
1277 tcp_protocol_deps="network"
1278 udp_protocol_deps="network"
1279
1280 # filters
1281 movie_filter_deps="avfilter_lavf"
1282
1283 # programs
1284 ffplay_deps="sdl"
1285 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1286 ffserver_extralibs='$ldl'
1287
1288 doc_deps="texi2html"
1289
1290 # default parameters
1291
1292 logfile="config.err"
1293
1294 # installation paths
1295 prefix_default="/usr/local"
1296 bindir_default='${prefix}/bin'
1297 datadir_default='${prefix}/share/ffmpeg'
1298 incdir_default='${prefix}/include'
1299 libdir_default='${prefix}/lib'
1300 mandir_default='${prefix}/share/man'
1301 shlibdir_default="$libdir_default"
1302
1303 # toolchain
1304 ar="ar"
1305 cc_default="gcc"
1306 cc_version=\"unknown\"
1307 host_cc_default="gcc"
1308 ln_s="ln -sf"
1309 nm_default="nm"
1310 objformat="elf"
1311 ranlib="ranlib"
1312 strip="strip"
1313 yasmexe="yasm"
1314
1315 # machine
1316 arch=$(uname -m)
1317 cpu="generic"
1318
1319 # OS
1320 target_os=$(tolower $(uname -s))
1321 host_os=$target_os
1322
1323 # configurable options
1324 enable debug
1325 enable doc
1326 enable fastdiv
1327 enable ffmpeg
1328 enable ffplay
1329 enable ffserver
1330 enable ipv6
1331 enable mpegaudio_hp
1332 enable network
1333 enable optimizations
1334 enable protocols
1335 enable static
1336 enable stripping
1337 enable swscale_alpha
1338
1339 # build settings
1340 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1341 FFSERVERLDFLAGS=-Wl,-E
1342 LIBPREF="lib"
1343 LIBSUF=".a"
1344 FULLNAME='$(NAME)$(BUILDSUF)'
1345 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1346 SLIBPREF="lib"
1347 SLIBSUF=".so"
1348 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1349 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1350 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1351 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1352
1353 CC_O='-o $@'
1354
1355 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1356 host_libs='-lm'
1357
1358 target_path='.'
1359
1360 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1361 # full relative path for objects in subdirectories for non-recursive Make.
1362 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1363 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1364
1365 # find source path
1366 source_path="$(dirname "$0")"
1367 enable source_path_used
1368 if test -f configure; then
1369 source_path="$(pwd)"
1370 disable source_path_used
1371 else
1372 source_path="$(cd "$source_path"; pwd)"
1373 echo "$source_path" | grep -q '[[:blank:]]' &&
1374 die "Out of tree builds are impossible with whitespace in source path."
1375 test -e "$source_path/config.h" &&
1376 die "Out of tree builds are impossible with config.h in source dir."
1377 fi
1378
1379 for v in "$@"; do
1380 r=${v#*=}
1381 l=${v%"$r"}
1382 r=$(sh_quote "$r")
1383 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1384 done
1385
1386 find_things(){
1387 thing=$1
1388 pattern=$2
1389 file=$source_path/$3
1390 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1391 }
1392
1393 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1394 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1395 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1396 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1397 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1398 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1399 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1400 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1401 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1402 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1403 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1404
1405 enable $ARCH_EXT_LIST \
1406 $DECODER_LIST \
1407 $ENCODER_LIST \
1408 $HWACCEL_LIST \
1409 $PARSER_LIST \
1410 $BSF_LIST \
1411 $DEMUXER_LIST \
1412 $MUXER_LIST \
1413 $FILTER_LIST \
1414 $PROTOCOL_LIST \
1415 $INDEV_LIST \
1416 $OUTDEV_LIST \
1417
1418 die_unknown(){
1419 echo "Unknown option \"$1\"."
1420 echo "See $0 --help for available options."
1421 exit 1
1422 }
1423
1424 show_list() {
1425 suffix=_$1
1426 shift
1427 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1428 exit 0
1429 }
1430
1431 for opt do
1432 optval="${opt#*=}"
1433 case "$opt" in
1434 --extra-ldflags=*) add_ldflags $optval
1435 ;;
1436 --extra-libs=*) add_extralibs $optval
1437 ;;
1438 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1439 ;;
1440 --enable-debug=*) debuglevel="$optval"
1441 ;;
1442 --enable-*=*|--disable-*=*)
1443 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1444 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1445 eval list=\$$(toupper $thing)_LIST
1446 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1447 $action $(filter "$name" $list)
1448 ;;
1449 --enable-?*|--disable-?*)
1450 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1451 if is_in $option $COMPONENT_LIST; then
1452 test $action = disable && action=unset
1453 eval $action \$$(toupper ${option%s})_LIST
1454 elif is_in $option $CMDLINE_SELECT; then
1455 $action $option
1456 else
1457 die_unknown $opt
1458 fi
1459 ;;
1460 --list-*)
1461 NAME="${opt#--list-}"
1462 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1463 NAME=${NAME%s}
1464 eval show_list $NAME \$$(toupper $NAME)_LIST
1465 ;;
1466 --help|-h) show_help
1467 ;;
1468 *)
1469 optname="${opt%%=*}"
1470 optname="${optname#--}"
1471 optname=$(echo "$optname" | sed 's/-/_/g')
1472 if is_in $optname $CMDLINE_SET; then
1473 eval $optname='$optval'
1474 elif is_in $optname $CMDLINE_APPEND; then
1475 append $optname "$optval"
1476 else
1477 die_unknown $opt
1478 fi
1479 ;;
1480 esac
1481 done
1482
1483 disabled logging && logfile=/dev/null
1484
1485 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1486 set >> $logfile
1487
1488 test -n "$cross_prefix" && enable cross_compile
1489
1490 ar="${cross_prefix}${ar}"
1491 cc_default="${cross_prefix}${cc_default}"
1492 nm_default="${cross_prefix}${nm_default}"
1493 ranlib="${cross_prefix}${ranlib}"
1494 strip="${cross_prefix}${strip}"
1495
1496 sysinclude_default="${sysroot}/usr/include"
1497
1498 set_default cc nm sysinclude
1499 enabled cross_compile || host_cc_default=$cc
1500 set_default host_cc
1501
1502 exesuf() {
1503 case $1 in
1504 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1505 esac
1506 }
1507
1508 EXESUF=$(exesuf $target_os)
1509 HOSTEXESUF=$(exesuf $host_os)
1510
1511 # set temporary file name
1512 : ${TMPDIR:=$TEMPDIR}
1513 : ${TMPDIR:=$TMP}
1514 : ${TMPDIR:=/tmp}
1515
1516 if ! check_cmd type mktemp; then
1517 # simple replacement for missing mktemp
1518 # NOT SAFE FOR GENERAL USE
1519 mktemp(){
1520 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1521 }
1522 fi
1523
1524 tmpfile(){
1525 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1526 (set -C; exec > $tmp) 2>/dev/null ||
1527 die "Unable to create temporary file in $TMPDIR."
1528 append TMPFILES $tmp
1529 eval $1=$tmp
1530 }
1531
1532 trap 'rm -f -- $TMPFILES' EXIT
1533 trap exit HUP INT TERM
1534
1535 tmpfile TMPC .c
1536 tmpfile TMPE $EXESUF
1537 tmpfile TMPH .h
1538 tmpfile TMPO .o
1539 tmpfile TMPS .S
1540 tmpfile TMPSH .sh
1541
1542 unset -f mktemp
1543
1544 # make sure we can execute files in $TMPDIR
1545 cat > $TMPSH 2>> $logfile <<EOF
1546 #! /bin/sh
1547 EOF
1548 chmod +x $TMPSH >> $logfile 2>&1
1549 if ! $TMPSH >> $logfile 2>&1; then
1550 cat <<EOF
1551 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1552 variable to another directory and make sure that it is not mounted noexec.
1553 EOF
1554 die "Sanity test failed."
1555 fi
1556
1557 filter_cflags=echo
1558 filter_cppflags=echo
1559 filter_asflags=echo
1560
1561 if $cc -v 2>&1 | grep -qi ^gcc; then
1562 cc_type=gcc
1563 cc_version=__VERSION__
1564 if ! $cc -dumpversion | grep -q '^2\.'; then
1565 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1566 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1567 fi
1568 elif $cc --version 2>/dev/null | grep -q Intel; then
1569 cc_type=icc
1570 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1571 CC_DEPFLAGS='-MMD'
1572 AS_DEPFLAGS='-MMD'
1573 elif $cc -v 2>&1 | grep -q xlc; then
1574 cc_type=xlc
1575 cc_version="AV_STRINGIFY(__IBMC__)"
1576 elif $cc -V 2>/dev/null | grep -q Compaq; then
1577 cc_type=ccc
1578 cc_version="AV_STRINGIFY(__DECC_VER)"
1579 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1580 debuglevel=3
1581 add_ldflags -Wl,-z,now # calls to libots crash without this
1582 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1583 test -d "$sysroot" || die "No valid sysroot specified."
1584 cc_type=armcc
1585 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1586 armcc_conf="$PWD/armcc.conf"
1587 $cc --arm_linux_configure \
1588 --arm_linux_config_file="$armcc_conf" \
1589 --configure_sysroot="$sysroot" \
1590 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1591 die "Error creating armcc configuration file."
1592 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1593 as_default="${cross_prefix}gcc"
1594 CC_DEPFLAGS='-MMD'
1595 AS_DEPFLAGS='-MMD'
1596 elif $cc -version 2>/dev/null | grep -q TMS470; then
1597 cc_type=tms470
1598 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1599 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1600 CC_O='-fr=$(@D)'
1601 as_default="${cross_prefix}gcc"
1602 ld_default="${cross_prefix}gcc"
1603 TMPO=$(basename $TMPC .c).o
1604 append TMPFILES $TMPO
1605 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1606 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1607 AS_DEPFLAGS='-MMD'
1608 filter_cflags=tms470_flags
1609 tms470_flags(){
1610 for flag; do
1611 case $flag in
1612 -march=*|-mcpu=*)
1613 case "${flag#*=}" in
1614 armv7-a|cortex-a*) echo -mv=7a8 ;;
1615 armv7-r|cortex-r*) echo -mv=7r4 ;;
1616 armv7-m|cortex-m*) echo -mv=7m3 ;;
1617 armv6*|arm11*) echo -mv=6 ;;
1618 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1619 echo -mv=5e ;;
1620 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1621 esac
1622 ;;
1623 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1624 -mfpu=vfp) echo --float_support=vfpv2 ;;
1625 -msoft-float) echo --float_support=vfplib ;;
1626 -Os) echo -O3 -mf=2 ;;
1627 -O[0-3]) echo $flag -mf=5 ;;
1628 -g) echo -g -mn ;;
1629 esac
1630 done
1631 }
1632 elif $cc -v 2>&1 | grep -q clang; then
1633 cc_type=clang
1634 cc_version=__VERSION__
1635 CC_DEPFLAGS='-MMD'
1636 AS_DEPFLAGS='-MMD'
1637 elif $cc -V 2>&1 | grep -q Sun; then
1638 cc_type=suncc
1639 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1640 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1641 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1642 filter_cflags=suncc_flags
1643 suncc_flags(){
1644 for flag; do
1645 case $flag in
1646 -march=*|-mcpu=*)
1647 case "${flag#*=}" in
1648 native) echo -xtarget=native ;;
1649 v9) echo -xarch=sparc ;;
1650 ultrasparc) echo -xarch=sparcvis ;;
1651 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1652 i586|pentium) echo -xchip=pentium ;;
1653 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1654 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1655 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1656 pentium4*) echo -xtarget=pentium4 ;;
1657 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1658 *-sse3) echo -xarch=sse3 ;;
1659 core2) echo -xarch=ssse3 -xchip=core2 ;;
1660 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1661 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1662 k8|opteron|athlon64|athlon-fx)
1663 echo -xarch=sse2a ;;
1664 athlon*) echo -xarch=pentium_proa ;;
1665 esac
1666 ;;
1667 -std=c99) echo -xc99 ;;
1668 -fomit-frame-pointer) echo -xregs=frameptr ;;
1669 -fPIC) echo -KPIC -xcode=pic32 ;;
1670 -Os) echo -O5 -xspace ;;
1671 -W*,*) echo $flag ;;
1672 -f*-*|-W*) ;;
1673 *) echo $flag ;;
1674 esac
1675 done
1676 }
1677 fi
1678
1679 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1680
1681 : ${as_default:=$cc}
1682 : ${dep_cc_default:=$cc}
1683 : ${ld_default:=$cc}
1684 set_default as dep_cc ld
1685
1686 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1687 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1688
1689 add_cflags $extra_cflags
1690 add_asflags $extra_cflags
1691
1692 if test -n "$sysroot"; then
1693 case "$cc_type" in
1694 gcc)
1695 add_cppflags --sysroot="$sysroot"
1696 add_ldflags --sysroot="$sysroot"
1697 ;;
1698 tms470)
1699 add_cppflags -I"$sysinclude"
1700 add_ldflags --sysroot="$sysroot"
1701 ;;
1702 clang)
1703 add_cppflags -isysroot="$sysroot"
1704 add_ldflags -isysroot="$sysroot"
1705 ;;
1706 esac
1707 fi
1708
1709 if test "$cpu" = host; then
1710 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1711
1712 case "$cc_type" in
1713 gcc)
1714 check_native(){
1715 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1716 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1717 }
1718 cpu=$(check_native -march || check_native -mcpu)
1719 ;;
1720 esac
1721
1722 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1723 fi
1724
1725 # Add processor-specific flags
1726 case $cpu in
1727 601|ppc601|PowerPC601)
1728 cpuflags="-mcpu=601"
1729 ;;
1730 603*|ppc603*|PowerPC603*)
1731 cpuflags="-mcpu=603"
1732 ;;
1733 604*|ppc604*|PowerPC604*)
1734 cpuflags="-mcpu=604"
1735 ;;
1736 G3|g3|75*|ppc75*|PowerPC75*)
1737 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1738 ;;
1739 G4|g4|745*|ppc745*|PowerPC745*)
1740 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1741 ;;
1742 74*|ppc74*|PowerPC74*)
1743 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1744 ;;
1745 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1746 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1747 ;;
1748 Cell|CELL|cell)
1749 cpuflags="-mcpu=cell"
1750 enable ldbrx
1751 ;;
1752 # targets that do NOT support conditional mov (cmov)
1753 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1754 cpuflags="-march=$cpu"
1755 disable cmov
1756 ;;
1757 # targets that do support conditional mov (cmov)
1758 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1759 cpuflags="-march=$cpu"
1760 enable cmov
1761 enable fast_cmov
1762 ;;
1763 # targets that do support conditional mov but on which it's slow
1764 pentium4|pentium4m|prescott|nocona)
1765 cpuflags="-march=$cpu"
1766 enable cmov
1767 disable fast_cmov
1768 ;;
1769 sparc64)
1770 cpuflags="-mcpu=v9"
1771 ;;
1772 arm11*|cortex*)
1773 cpuflags="-mcpu=$cpu"
1774 enable fast_unaligned
1775 ;;
1776 armv[67]*)
1777 cpuflags="-march=$cpu"
1778 enable fast_unaligned
1779 ;;
1780 armv*)
1781 cpuflags="-march=$cpu"
1782 ;;
1783 arm*)
1784 cpuflags="-mcpu=$cpu"
1785 ;;
1786 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1787 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1788 ;;
1789 bf*)
1790 cpuflags="-mcpu=$cpu"
1791 ;;
1792 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1793 cpuflags="-march=$cpu"
1794 ;;
1795 ap7[02]0[0-2])
1796 subarch="avr32_ap"
1797 cpuflags="-mpart=$cpu"
1798 ;;
1799 ap)
1800 subarch="avr32_ap"
1801 cpuflags="-march=$cpu"
1802 ;;
1803 uc3[ab]*)
1804 subarch="avr32_uc"
1805 cpuflags="-mcpu=$cpu"
1806 ;;
1807 uc)
1808 subarch="avr32_uc"
1809 cpuflags="-march=$cpu"
1810 ;;
1811 generic)
1812 ;;
1813 *)
1814 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1815 ;;
1816 esac
1817
1818 add_cflags $cpuflags
1819 add_asflags $cpuflags
1820
1821 # compiler sanity check
1822 check_exec <<EOF
1823 int main(void){ return 0; }
1824 EOF
1825 if test "$?" != 0; then
1826 echo "$cc is unable to create an executable file."
1827 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1828 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1829 echo "Only do this if you know what cross compiling means."
1830 fi
1831 die "C compiler test failed."
1832 fi
1833
1834 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1835 check_cflags -std=c99
1836 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1837 #include <stdlib.h>
1838 EOF
1839 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1840 #include <stdlib.h>
1841 EOF
1842
1843 check_host_cflags -std=c99
1844
1845 case "$arch" in
1846 alpha)
1847 arch="alpha"
1848 enable fast_64bit
1849 check_cflags -mieee
1850 spic=$shared
1851 ;;
1852 arm|armv[4567]*l)
1853 arch="arm"
1854 ;;
1855 avr32)
1856 ;;
1857 bfin)
1858 arch="bfin"
1859 ;;
1860 ia64)
1861 arch="ia64"
1862 enable fast_64bit
1863 spic=$shared
1864 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
1865 enabled shared && enable_weak hardcoded_tables
1866 ;;
1867 m68k)
1868 arch="m68k"
1869 ;;
1870 mips|mipsel|IP*)
1871 arch="mips"
1872 spic=$shared
1873 ;;
1874 mips64)
1875 arch="mips"
1876 subarch="mips64"
1877 enable fast_64bit
1878 spic=$shared
1879 ;;
1880 parisc|hppa)
1881 arch="parisc"
1882 spic=$shared
1883 ;;
1884 parisc64|hppa64)
1885 arch="parisc"
1886 enable fast_64bit
1887 spic=$shared
1888 ;;
1889 "Power Macintosh"|ppc|powerpc)
1890 arch="ppc"
1891 enable fast_unaligned
1892 ;;
1893 ppc64)
1894 arch="ppc"
1895 subarch="ppc64"
1896 enable fast_64bit
1897 enable fast_unaligned
1898 ;;
1899 s390|s390x)
1900 arch="s390"
1901 ;;
1902 sh4|sh)
1903 arch="sh4"
1904 ;;
1905 sparc)
1906 arch="sparc"
1907 spic=$shared
1908 ;;
1909 sun4u|sparc64)
1910 arch="sparc"
1911 subarch="sparc64"
1912 enable fast_64bit
1913 spic=$shared
1914 ;;
1915 i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
1916 arch="x86"
1917 subarch="x86_32"
1918 enable fast_unaligned
1919 check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1920 int test[(int)sizeof(char*) - 7];
1921 EOF
1922 if test "$subarch" = "x86_64"; then
1923 enable cmov
1924 enable fast_cmov
1925 fi
1926 ;;
1927 *)
1928 arch="unknown"
1929 ;;
1930 esac
1931
1932 enable $arch $subarch
1933 enabled spic && enable pic
1934 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1935
1936 # OS specific
1937 case $target_os in
1938 beos|haiku|zeta)
1939 prefix_default="$HOME/config"
1940 # 3 gcc releases known for BeOS, each with ugly bugs
1941 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1942 case "$gcc_version" in
1943 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1944 disable mmx
1945 ;;
1946 *20010315*) echo "BeBits gcc"
1947 add_cflags -fno-expensive-optimizations
1948 ;;
1949 esac
1950 SHFLAGS=-nostart
1951 # enable BeOS things
1952 enable audio_beos
1953 # no need for libm, but the inet stuff
1954 # Check for BONE
1955 # XXX: actually should check for NOT net_server
1956 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1957 network_extralibs="-lbind -lsocket"
1958 else
1959 enable beos_netserver
1960 network_extralibs="-lnet"
1961 fi ;;
1962 sunos)
1963 FFSERVERLDFLAGS=""
1964 SHFLAGS='-shared -Wl,-h,$$(@F)'
1965 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
1966 network_extralibs="-lsocket -lnsl"
1967 add_cppflags -D__EXTENSIONS__
1968 ;;
1969 netbsd)
1970 oss_indev_extralibs="-lossaudio"
1971 oss_outdev_extralibs="-lossaudio"
1972 ;;
1973 openbsd)
1974 enable malloc_aligned
1975 # On OpenBSD 4.5. the compiler does not use PIC unless
1976 # explicitly using -fPIC. FFmpeg builds fine without PIC,
1977 # however the generated executable will not do anything
1978 # (simply quits with exit-code 1, no crash, no output).
1979 # Thus explicitly enable PIC here.
1980 enable pic
1981 SHFLAGS='-shared'
1982 oss_indev_extralibs="-lossaudio"
1983 oss_outdev_extralibs="-lossaudio"
1984 ;;
1985 freebsd|dragonfly)
1986 enable malloc_aligned
1987 ;;
1988 bsd/os)
1989 osextralibs="-lpoll -lgnugetopt"
1990 strip="strip -d"
1991 ;;
1992 darwin)
1993 enable malloc_aligned
1994 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1995 strip="strip -x"
1996 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1997 SLIBSUF=".dylib"
1998 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1999 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2000 FFSERVERLDFLAGS=-Wl,-bind_at_load
2001 objformat="macho"
2002 enabled x86_64 && objformat="macho64"
2003 enabled_any pic shared ||
2004 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2005 ;;
2006 mingw32*)
2007 if test $target_os = "mingw32ce"; then
2008 disable network
2009 else
2010 target_os=mingw32
2011 fi
2012 LIBTARGET=i386
2013 if enabled x86_64; then
2014 enable malloc_aligned
2015 LIBTARGET=x64
2016 elif enabled arm; then
2017 LIBTARGET=arm
2018 fi
2019 shlibdir_default="$bindir_default"
2020 disable ffserver
2021 SLIBPREF=""
2022 SLIBSUF=".dll"
2023 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2024 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2025 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2026 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2027 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2028 install -d "$(LIBDIR)"; \
2029 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2030 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2031 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2032 objformat="win32"
2033 enable dos_paths
2034 check_cflags -fno-common
2035 if ! enabled x86_64; then
2036 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2037 die "ERROR: MinGW runtime version must be >= 3.15."
2038 enabled_any avisynth vfwcap_indev &&
2039 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2040 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2041 fi
2042 ;;
2043 cygwin*)
2044 target_os=cygwin
2045 shlibdir_default="$bindir_default"
2046 SLIBPREF="cyg"
2047 SLIBSUF=".dll"
2048 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2049 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2050 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2051 objformat="win32"
2052 enable dos_paths
2053 check_cflags -fno-common
2054 ;;
2055 *-dos|freedos|opendos)
2056 disable ffplay ffserver
2057 disable $INDEV_LIST $OUTDEV_LIST
2058 network_extralibs="-lsocket"
2059 objformat="coff"
2060 enable dos_paths
2061 ;;
2062 linux)
2063 enable dv1394
2064 ;;
2065 irix*)
2066 target_os=irix
2067 ranlib="echo ignoring ranlib"
2068 ;;
2069 os/2*)
2070 strip="lxlite"
2071 ln_s="cp -f"
2072 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2073 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2074 FFSERVERLDFLAGS=""
2075 LIBSUF="_s.a"
2076 SLIBPREF=""
2077 SLIBSUF=".dll"
2078 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2079 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2080 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2081 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2082 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2083 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2084 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2085 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2086 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2087 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2088 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2089 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2090 enable dos_paths
2091 ;;
2092 gnu/kfreebsd)
2093 ;;
2094 gnu)
2095 ;;
2096
2097 *)
2098 die "Unknown OS '$target_os'."
2099 ;;
2100 esac
2101
2102 set_default $PATHS_LIST
2103
2104 add_extralibs $osextralibs
2105
2106 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2107 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2108
2109 # we need to build at least one lib type
2110 if ! enabled_any static shared; then
2111 cat <<EOF
2112 At least one library type must be built.
2113 Specify --enable-static to build the static libraries or --enable-shared to
2114 build the shared libraries as well. To only build the shared libraries specify
2115 --disable-static in addition to --enable-shared.
2116 EOF
2117 exit 1;
2118 fi
2119
2120 disabled static && LIBNAME=""
2121
2122 if enabled_any libfaad libfaadbin ; then
2123 if check_header faad.h; then
2124 check_cc <<EOF
2125 #include <faad.h>
2126 #ifndef FAAD2_VERSION
2127 ok faad1
2128 #endif
2129 int main(void) { return 0; }
2130 EOF
2131 test $? = 0 && enable libfaad2
2132 else
2133 die "FAAD test failed."
2134 fi
2135 fi
2136
2137
2138 die_license_disabled() {
2139 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2140 }
2141
2142 die_license_disabled gpl libfaad2
2143 die_license_disabled gpl libx264
2144 die_license_disabled gpl libxvid
2145 die_license_disabled gpl postproc
2146 die_license_disabled gpl x11grab
2147
2148 die_license_disabled nonfree libfaac
2149
2150 die_license_disabled version3 libopencore_amrnb
2151 die_license_disabled version3 libopencore_amrwb
2152
2153 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2154
2155 check_deps $ARCH_EXT_LIST
2156
2157 disabled optimizations || check_cflags -fomit-frame-pointer
2158
2159 enable_pic() {
2160 enable pic
2161 add_cppflags -DPIC
2162 add_cflags -fPIC
2163 add_asflags -fPIC
2164 }
2165
2166 enabled pic && enable_pic
2167
2168 check_cc <<EOF || die "Symbol mangling check failed."
2169 int ff_extern;
2170 EOF
2171 sym=$($nm -P -g $TMPO | grep ff_extern)
2172 extern_prefix=${sym%%ff_extern*}
2173
2174 check_cc <<EOF && enable inline_asm
2175 void foo(void) { __asm__ volatile ("" ::); }
2176 EOF
2177
2178 _restrict=
2179 for restrict_keyword in restrict __restrict__ __restrict; do
2180 check_cc <<EOF && _restrict=$restrict_keyword && break
2181 void foo(char * $restrict_keyword p);
2182 EOF
2183 done
2184
2185 check_cc <<EOF && enable attribute_packed
2186 struct { int x; } __attribute__((packed)) x;
2187 EOF
2188
2189 check_cc <<EOF || die "endian test failed"
2190 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2191 EOF
2192 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2193
2194 if enabled arm; then
2195
2196 check_cflags -marm
2197
2198 check_ld <<EOF && enable vfp_args
2199 __asm__ (".eabi_attribute 28, 1");
2200 int main(void) { return 0; }
2201 EOF
2202
2203 # We have to check if pld is a nop and disable it.
2204 check_asm pld '"pld [r0]"'
2205
2206 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2207 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2208 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2209 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2210 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2211 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2212
2213 enabled_all armv6t2 shared !pic && enable_pic
2214
2215 elif enabled mips; then
2216
2217 check_asm loongson '"dmult.g $1, $2, $3"'
2218 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2219
2220 elif enabled ppc; then
2221
2222 check_asm dcbzl '"dcbzl 0, 1"'
2223 check_asm ppc4xx '"maclhw r10, r11, r12"'
2224 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2225
2226 # AltiVec flags: The FSF version of GCC differs from the Apple version
2227 if enabled altivec; then
2228 check_cflags -maltivec -mabi=altivec &&
2229 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2230 check_cflags -faltivec
2231
2232 # check if our compiler supports Motorola AltiVec C API
2233 check_cc <<EOF || disable altivec
2234 $inc_altivec_h
2235 int main(void) {
2236 vector signed int v1, v2, v3;
2237 v1 = vec_add(v2,v3);
2238 return 0;
2239 }
2240 EOF
2241
2242 # check if our compiler supports braces for vector declarations
2243 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2244 $inc_altivec_h
2245 int main (void) { (vector int) {1}; return 0; }
2246 EOF
2247 fi
2248
2249 elif enabled sparc; then
2250
2251 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2252 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2253
2254 elif enabled x86; then
2255
2256 # check whether EBP is available on x86
2257 # As 'i' is stored on the stack, this program will crash
2258 # if the base pointer is used to access it because the
2259 # base pointer is cleared in the inline assembly code.
2260 check_exec_crash <<EOF && enable ebp_available
2261 volatile int i=0;
2262 __asm__ volatile (
2263 "xorl %%ebp, %%ebp"
2264 ::: "%ebp");
2265 return i;
2266 EOF
2267
2268 # check whether EBX is available on x86
2269 check_asm ebx_available '""::"b"(0)' &&
2270 check_asm ebx_available '"":::"%ebx"'
2271
2272 # check whether more than 10 operands are supported
2273 check_cc <<EOF && enable ten_operands
2274 int main(void) {
2275 int x=0;
2276 __asm__ volatile(
2277 ""
2278 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2279 );
2280 return 0;
2281 }
2282 EOF
2283
2284 # check whether binutils is new enough to compile SSSE3/MMX2
2285 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2286 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2287
2288 check_asm bswap '"bswap %%eax" ::: "%eax"'
2289
2290 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2291 enabled x86_64 && append YASMFLAGS "-m amd64"
2292 enabled pic && append YASMFLAGS "-DPIC"
2293 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2294 case "$objformat" in
2295 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2296 esac
2297 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2298
2299 fi
2300
2301 if check_func dlopen; then
2302 ldl=
2303 elif check_func dlopen -ldl; then
2304 ldl=-ldl
2305 fi
2306
2307 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2308 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2309
2310 check_func fork
2311 check_func gethrtime
2312 check_func getrusage
2313 check_func inet_aton $network_extralibs
2314 check_func isatty
2315 check_func memalign
2316 check_func mkstemp
2317 check_func posix_memalign
2318 check_func_headers io.h setmode
2319 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2320 check_func_headers windows.h GetProcessTimes
2321 check_func_headers windows.h VirtualAlloc
2322
2323 check_header conio.h
2324 check_header dlfcn.h
2325 check_header malloc.h
2326 check_header poll.h
2327 check_header sys/mman.h
2328 check_header sys/resource.h
2329 check_header sys/select.h
2330 check_header termios.h
2331 check_header vdpau/vdpau.h
2332 check_header vdpau/vdpau_x11.h
2333 check_header X11/extensions/XvMClib.h
2334
2335 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2336 enabled_any $need_memalign ; then
2337 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2338 fi
2339
2340 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2341 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2342
2343 # check for some common methods of building with pthread support
2344 # do this before the optional library checks as some of them require pthreads
2345 if enabled pthreads; then
2346 if check_func pthread_create; then
2347 :
2348 elif check_func pthread_create -pthread; then
2349 add_cflags -pthread
2350 add_extralibs -pthread
2351 elif check_func pthread_create -pthreads; then
2352 add_cflags -pthreads
2353 add_extralibs -pthreads
2354 elif check_func pthread_create -lpthreadGC2; then
2355 add_extralibs -lpthreadGC2
2356 elif ! check_lib pthread.h pthread_create -lpthread; then
2357 die "ERROR: can't find pthreads library"
2358 fi
2359 fi
2360
2361 for thread in $THREADS_LIST; do
2362 if enabled $thread; then
2363 test -n "$thread_type" &&
2364 die "ERROR: Only one thread type must be selected." ||
2365 thread_type="$thread"
2366 fi
2367 done
2368
2369 check_lib math.h sin -lm
2370 check_lib va/va.h vaInitialize -lva
2371
2372 check_func llrint
2373 check_func log2
2374 check_func lrint
2375 check_func lrintf
2376 check_func round
2377 check_func roundf
2378 check_func truncf
2379
2380 # these are off by default, so fail if requested and not available
2381 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2382 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2383 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2384 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2385 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2386 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2387 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2388 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2389 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2390 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2391 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2392 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2393 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2394 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2395 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2396 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2397 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2398 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2399 { check_cpp_condition x264.h "X264_BUILD >= 79" ||
2400 die "ERROR: libx264 version must be >= 0.79."; }
2401 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2402 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2403
2404 # libdc1394 check
2405 if enabled libdc1394; then
2406 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2407 enable libdc1394_2; } ||
2408 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2409 enable libdc1394_1; } ||
2410 die "ERROR: No version of libdc1394 found "
2411 fi
2412
2413 disable sdl_too_old
2414 disable sdl
2415 SDL_CONFIG="${cross_prefix}sdl-config"
2416 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2417 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2418 sdl_libs=$("${SDL_CONFIG}" --libs)
2419 temp_cflags $sdl_cflags
2420 temp_extralibs $sdl_libs
2421 if check_lib2 SDL.h SDL_Init; then
2422 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2423 if test "$_sdlversion" -lt 121 ; then
2424 enable sdl_too_old
2425 else
2426 enable sdl
2427 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2428 #include <SDL.h>
2429 int main(int argc, char **argv){
2430 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2431 int w = vi->current_w;
2432 return 0;
2433 }
2434 EOF
2435 fi
2436 fi
2437 restore_flags
2438 fi
2439
2440 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2441
2442 if enabled network; then
2443 check_type "sys/types.h sys/socket.h" socklen_t
2444 # Prefer arpa/inet.h over winsock2
2445 if check_header arpa/inet.h ; then
2446 check_func closesocket
2447 elif check_header winsock2.h ; then
2448 check_func_headers winsock2.h closesocket -lws2 && \
2449 network_extralibs="-lws2" || \
2450 { check_func_headers winsock2.h closesocket -lws2_32 && \
2451 network_extralibs="-lws2_32"; }
2452 check_type ws2tcpip.h socklen_t
2453 else
2454 disable network
2455 fi
2456 fi
2457
2458 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2459 #include <sys/types.h>
2460 #include <sys/socket.h>
2461 #include <netinet/in.h>
2462 #include <netdb.h>
2463 int main(void) {
2464 struct sockaddr_storage saddr;
2465 struct ipv6_mreq mreq6;
2466 getaddrinfo(0,0,0,0);
2467 getnameinfo(0,0,0,0,0,0,0);
2468 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2469 }
2470 EOF
2471
2472 check_header linux/videodev.h
2473 check_header linux/videodev2.h
2474 check_header sys/videoio.h
2475
2476 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2477
2478 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2479 { check_header dev/bktr/ioctl_meteor.h &&
2480 check_header dev/bktr/ioctl_bt848.h; } ||
2481 { check_header machine/ioctl_meteor.h &&
2482 check_header machine/ioctl_bt848.h; } ||
2483 { check_header dev/video/meteor/ioctl_meteor.h &&
2484 check_header dev/video/bktr/ioctl_bt848.h; } ||
2485 check_header dev/ic/bt8xx.h
2486
2487 check_header sys/soundcard.h
2488 check_header soundcard.h
2489
2490 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2491
2492 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2493
2494 enabled x11grab &&
2495 check_header X11/Xlib.h &&
2496 check_header X11/extensions/XShm.h &&
2497 check_header X11/extensions/Xfixes.h &&
2498 check_func XOpenDisplay -lX11 &&
2499 check_func XShmCreateImage -lX11 -lXext &&
2500 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2501
2502 check_cpp_condition \
2503 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2504 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2505 disable vdpau; }
2506
2507 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2508
2509 # add some useful compiler flags if supported
2510 check_cflags -Wdeclaration-after-statement
2511 check_cflags -Wall
2512 check_cflags -Wno-switch
2513 check_cflags -Wdisabled-optimization
2514 check_cflags -Wpointer-arith
2515 check_cflags -Wredundant-decls
2516 check_cflags -Wno-pointer-sign
2517 check_cflags -Wcast-qual
2518 check_cflags -Wwrite-strings
2519 check_cflags -Wtype-limits
2520 check_cflags -Wundef
2521 enabled extra_warnings && check_cflags -Winline
2522
2523 # add some linker flags
2524 check_ldflags -Wl,--warn-common
2525 check_ldflags -Wl,--as-needed
2526 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2527 check_ldflags -Wl,-Bsymbolic
2528
2529 if enabled small; then
2530 check_cflags -Os # not all compilers support -Os
2531 optimizations="small"
2532 elif enabled optimizations; then
2533 if enabled xlc; then
2534 add_cflags -O5
2535 add_ldflags -O5
2536 elif enabled suncc; then
2537 add_cflags -O5
2538 elif enabled ccc; then
2539 add_cflags -fast
2540 else
2541 add_cflags -O3
2542 fi
2543 fi
2544 check_cflags -fno-math-errno
2545 check_cflags -fno-signed-zeros
2546
2547 if enabled icc; then
2548 # Just warnings, no remarks
2549 check_cflags -w1
2550 # -wd: Disable following warnings
2551 # 144, 167, 556: -Wno-pointer-sign
2552 # 10006: ignoring unknown option -fno-signed-zeros
2553 # 10156: ignoring option '-W'; no argument required
2554 check_cflags -wd144,167,556,10006,10156
2555 # 11030: Warning unknown option --as-needed
2556 # 10156: ignoring option '-export'; no argument required
2557 check_ldflags -wd10156,11030
2558 # Allow to compile with optimizations
2559 check_ldflags -march=$cpu
2560 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2561 enable ebp_available
2562 elif enabled ccc; then
2563 # disable some annoying warnings
2564 add_cflags -msg_disable cvtu32to64
2565 add_cflags -msg_disable embedcomment
2566 add_cflags -msg_disable needconstext
2567 add_cflags -msg_disable nomainieee
2568 add_cflags -msg_disable ptrmismatch1
2569 add_cflags -msg_disable unreachcode
2570 elif enabled gcc; then
2571 check_cflags -fno-tree-vectorize
2572 elif enabled clang; then
2573 check_cflags -Qunused-arguments
2574 fi
2575
2576 if enabled gprof; then
2577 add_cflags -p
2578 add_ldflags -p
2579 fi
2580
2581 # Find out if the .align argument is a power of two or not.
2582 check_asm asmalign_pot '".align 3"'
2583
2584 enabled_any $DECODER_LIST && enable decoders
2585 enabled_any $ENCODER_LIST && enable encoders
2586 enabled_any $HWACCEL_LIST && enable hwaccels
2587 enabled_any $BSF_LIST && enable bsfs
2588 enabled_any $DEMUXER_LIST && enable demuxers
2589 enabled_any $MUXER_LIST && enable muxers
2590 enabled_any $FILTER_LIST && enable filters
2591 enabled_any $INDEV_LIST && enable indevs
2592 enabled_any $OUTDEV_LIST && enable outdevs
2593 enabled_any $PROTOCOL_LIST && enable protocols
2594
2595 enabled_any $THREADS_LIST && enable threads
2596
2597 check_deps $CONFIG_LIST \
2598 $CONFIG_EXTRA \
2599 $HAVE_LIST \
2600 $DECODER_LIST \
2601 $ENCODER_LIST \
2602 $HWACCEL_LIST \
2603 $PARSER_LIST \
2604 $BSF_LIST \
2605 $DEMUXER_LIST \
2606 $MUXER_LIST \
2607 $FILTER_LIST \
2608 $INDEV_LIST \
2609 $OUTDEV_LIST \
2610 $PROTOCOL_LIST \
2611
2612 echo "install prefix $prefix"
2613 echo "source path $source_path"
2614 echo "C compiler $cc"
2615 echo ".align is power-of-two $asmalign_pot"
2616 echo "ARCH $arch ($cpu)"
2617 if test "$build_suffix" != ""; then
2618 echo "build suffix $build_suffix"
2619 fi
2620 if test "$extra_version" != ""; then
2621 echo "version string suffix $extra_version"
2622 fi
2623 echo "big-endian ${bigendian-no}"
2624 echo "runtime cpu detection ${runtime_cpudetect-no}"
2625 if enabled x86; then
2626 echo "yasm ${yasm-no}"
2627 echo "MMX enabled ${mmx-no}"
2628 echo "MMX2 enabled ${mmx2-no}"
2629 echo "3DNow! enabled ${amd3dnow-no}"
2630 echo "3DNow! extended enabled ${amd3dnowext-no}"
2631 echo "SSE enabled ${sse-no}"
2632 echo "SSSE3 enabled ${ssse3-no}"
2633 echo "CMOV enabled ${cmov-no}"
2634 echo "CMOV is fast ${fast_cmov-no}"
2635 echo "EBX available ${ebx_available-no}"
2636 echo "EBP available ${ebp_available-no}"
2637 echo "10 operands supported ${ten_operands-no}"
2638 fi
2639 if enabled arm; then
2640 echo "ARMv5TE enabled ${armv5te-no}"
2641 echo "ARMv6 enabled ${armv6-no}"
2642 echo "ARMv6T2 enabled ${armv6t2-no}"
2643 echo "ARM VFP enabled ${armvfp-no}"
2644 echo "IWMMXT enabled ${iwmmxt-no}"
2645 echo "NEON enabled ${neon-no}"
2646 fi
2647 if enabled mips; then
2648 echo "MMI enabled ${mmi-no}"
2649 fi
2650 if enabled ppc; then
2651 echo "AltiVec enabled ${altivec-no}"
2652 echo "PPC 4xx optimizations ${ppc4xx-no}"
2653 echo "dcbzl available ${dcbzl-no}"
2654 echo "performance report ${powerpc_perf-no}"
2655 fi
2656 if enabled sparc; then
2657 echo "VIS enabled ${vis-no}"
2658 fi
2659 echo "gprof enabled ${gprof-no}"
2660 echo "debug symbols ${debug-no}"
2661 echo "strip symbols ${stripping-no}"
2662 echo "optimizations ${optimizations-no}"
2663 echo "static ${static-no}"
2664 echo "shared ${shared-no}"
2665 echo "postprocessing support ${postproc-no}"
2666 echo "new filter support ${avfilter-no}"
2667 echo "filters using lavformat ${avfilter_lavf-no}"
2668 echo "network support ${network-no}"
2669 if enabled network; then
2670 echo "IPv6 support ${ipv6-no}"
2671 fi
2672 echo "threading support ${thread_type-no}"
2673 echo "SDL support ${sdl-no}"
2674 if enabled sdl_too_old; then
2675 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2676 fi
2677 echo "Sun medialib support ${mlib-no}"
2678 echo "AVISynth enabled ${avisynth-no}"
2679 echo "libdc1394 support ${libdc1394-no}"
2680 echo "libdirac enabled ${libdirac-no}"
2681 echo "libfaac enabled ${libfaac-no}"
2682 echo "libfaad enabled ${libfaad-no}"
2683 echo "libfaad dlopened ${libfaadbin-no}"
2684 echo "libgsm enabled ${libgsm-no}"
2685 echo "libmp3lame enabled ${libmp3lame-no}"
2686 echo "libnut enabled ${libnut-no}"
2687 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2688 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2689 echo "libopenjpeg enabled ${libopenjpeg-no}"
2690 echo "libschroedinger enabled ${libschroedinger-no}"
2691 echo "libspeex enabled ${libspeex-no}"
2692 echo "libtheora enabled ${libtheora-no}"
2693 echo "libvorbis enabled ${libvorbis-no}"
2694 echo "libx264 enabled ${libx264-no}"
2695 echo "libxvid enabled ${libxvid-no}"
2696 echo "zlib enabled ${zlib-no}"
2697 echo "bzlib enabled ${bzlib-no}"
2698 echo
2699
2700 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2701 echo "Enabled ${type}s:"
2702 eval list=\$$(toupper $type)_LIST
2703 for part in $list; do
2704 enabled $part && echo ${part%_*}
2705 done | sort | pr -3 -t
2706 echo
2707 done
2708
2709 license="LGPL version 2.1 or later"
2710 if enabled nonfree; then
2711 license="nonfree and unredistributable"
2712 elif enabled gplv3; then
2713 license="GPL version 3 or later"
2714 elif enabled lgplv3; then
2715 license="LGPL version 3 or later"
2716 elif enabled gpl; then
2717 license="GPL version 2 or later"
2718 fi
2719
2720 echo "License: $license"
2721
2722 echo "Creating config.mak and config.h..."
2723
2724 enabled stripping || strip="echo skipping strip"
2725
2726 cat > config.mak <<EOF
2727 # Automatically generated by configure - do not modify!
2728 ifndef FFMPEG_CONFIG_MAK
2729 FFMPEG_CONFIG_MAK=1
2730 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2731 prefix=$prefix
2732 LIBDIR=\$(DESTDIR)$libdir
2733 SHLIBDIR=\$(DESTDIR)$shlibdir
2734 INCDIR=\$(DESTDIR)$incdir
2735 BINDIR=\$(DESTDIR)$bindir
2736 DATADIR=\$(DESTDIR)$datadir
2737 MANDIR=\$(DESTDIR)$mandir
2738 SRC_PATH="$source_path"
2739 SRC_PATH_BARE=$source_path
2740 BUILD_ROOT="$PWD"
2741 ARCH=$arch
2742 CC=$cc
2743 AS=$as
2744 LD=$ld
2745 DEPCC=$dep_cc
2746 YASM=$yasmexe
2747 AR=$ar
2748 RANLIB=$ranlib
2749 LN_S=$ln_s
2750 STRIP=$strip
2751 CPPFLAGS=$CPPFLAGS
2752 CFLAGS=$CFLAGS
2753 ASFLAGS=$ASFLAGS
2754 CC_O=$CC_O
2755 LDFLAGS=$LDFLAGS
2756 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2757 SHFLAGS=$SHFLAGS
2758 YASMFLAGS=$YASMFLAGS
2759 BUILDSUF=$build_suffix
2760 FULLNAME=$FULLNAME
2761 LIBPREF=$LIBPREF
2762 LIBSUF=$LIBSUF
2763 LIBNAME=$LIBNAME
2764 SLIBPREF=$SLIBPREF
2765 SLIBSUF=$SLIBSUF
2766 EXESUF=$EXESUF
2767 EXTRA_VERSION=$extra_version
2768 DEPFLAGS=$DEPFLAGS
2769 CCDEP=$CCDEP
2770 ASDEP=$ASDEP
2771 CC_DEPFLAGS=$CC_DEPFLAGS
2772 AS_DEPFLAGS=$AS_DEPFLAGS
2773 HOSTCC=$host_cc
2774 HOSTCFLAGS=$host_cflags
2775 HOSTEXESUF=$HOSTEXESUF
2776 HOSTLDFLAGS=$host_ldflags
2777 HOSTLIBS=$host_libs
2778 TARGET_EXEC=$target_exec
2779 TARGET_PATH=$target_path
2780 SDL_LIBS=$sdl_libs
2781 SDL_CFLAGS=$sdl_cflags
2782 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2783 EXTRALIBS=$extralibs
2784 EOF
2785
2786 get_version(){
2787 name=$1
2788 file=$source_path/$2
2789 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2790 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2791 lcname=$(tolower $name)
2792 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2793 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2794 }
2795
2796 get_version LIBSWSCALE libswscale/swscale.h
2797 get_version LIBPOSTPROC libpostproc/postprocess.h
2798 get_version LIBAVCODEC libavcodec/avcodec.h
2799 get_version LIBAVDEVICE libavdevice/avdevice.h
2800 get_version LIBAVFORMAT libavformat/avformat.h
2801 get_version LIBAVUTIL libavutil/avutil.h
2802 get_version LIBAVFILTER libavfilter/avfilter.h
2803
2804 enabled shared && cat >> config.mak <<EOF
2805 LIBTARGET=${LIBTARGET}
2806 SLIBNAME=${SLIBNAME}
2807 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2808 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2809 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2810 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2811 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2812 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2813 EOF
2814
2815 enabled asmalign_pot || align_shift="1 <<"
2816
2817 cat > $TMPH <<EOF
2818 /* Automatically generated by configure - do not modify! */
2819 #ifndef FFMPEG_CONFIG_H
2820 #define FFMPEG_CONFIG_H
2821 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2822 #define FFMPEG_LICENSE "$(c_escape $license)"
2823 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2824 #define CC_TYPE "$cc_type"
2825 #define CC_VERSION $cc_version
2826 #define restrict $_restrict
2827 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2828 #define EXTERN_PREFIX "${extern_prefix}"
2829 #define EXTERN_ASM ${extern_prefix}
2830 EOF
2831
2832 if enabled small || disabled optimizations; then
2833 echo "#define av_always_inline" >> $TMPH
2834 fi
2835
2836 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2837 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2838 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2839 $CONFIG_EXTRA \
2840 $DECODER_LIST \
2841 $ENCODER_LIST \
2842 $HWACCEL_LIST \
2843 $PARSER_LIST \
2844 $BSF_LIST \
2845 $DEMUXER_LIST \
2846 $MUXER_LIST \
2847 $FILTER_LIST \
2848 $PROTOCOL_LIST \
2849 $INDEV_LIST \
2850 $OUTDEV_LIST \
2851
2852 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2853 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2854
2855 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2856 cmp -s $TMPH config.h &&
2857 echo "config.h is unchanged" ||
2858 mv -f $TMPH config.h
2859
2860 # build tree in object directory if source path is different from current one
2861 if enabled source_path_used; then
2862 DIRS="
2863 doc
2864 libavcodec
2865 libavcodec/$arch
2866 libavdevice
2867 libavfilter
2868 libavformat
2869 libavutil
2870 libavutil/$arch
2871 libpostproc
2872 libswscale
2873 libswscale/$arch
2874 tests
2875 tools
2876 "
2877 FILES="
2878 Makefile
2879 common.mak
2880 subdir.mak
2881 doc/texi2pod.pl
2882 libavcodec/Makefile
2883 libavdevice/Makefile
2884 libavfilter/Makefile
2885 libavformat/Makefile
2886 libavutil/Makefile
2887 libpostproc/Makefile
2888 libswscale/Makefile
2889 "
2890 for dir in $DIRS ; do
2891 mkdir -p $dir
2892 done
2893 for f in $FILES ; do
2894 $ln_s "$source_path/$f" $f
2895 done
2896 fi
2897
2898
2899 # build pkg-config files
2900
2901 pkgconfig_generate(){
2902 name=$1
2903 shortname=${name#lib}${build_suffix}
2904 comment=$2
2905 version=$3
2906 libs=$4
2907 requires=$5
2908 cat <<EOF > $name/$name.pc
2909 prefix=$prefix
2910 exec_prefix=\${prefix}
2911 libdir=$libdir
2912 includedir=$incdir
2913
2914 Name: $name
2915 Description: $comment
2916 Version: $version
2917 Requires: $(enabled shared || echo $requires)
2918 Requires.private: $(enabled shared && echo $requires)
2919 Conflicts:
2920 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2921 Libs.private: $(enabled shared && echo $libs)
2922 Cflags: -I\${includedir}
2923 EOF
2924 cat <<EOF > $name/$name-uninstalled.pc
2925 prefix=
2926 exec_prefix=
2927 libdir=\${pcfiledir}
2928 includedir=${source_path}
2929
2930 Name: $name
2931 Description: $comment
2932 Version: $version
2933 Requires: $requires
2934 Conflicts:
2935 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2936 Cflags: -I\${includedir}
2937 EOF
2938 }
2939
2940 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2941 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2942 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2943 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2944 enabled avfilter &&
2945 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2946 enabled postproc &&
2947 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2948 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"