Emit CONFIG_AVUTIL for completeness
[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
235 Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
238 --enable-gprof enable profiling with gprof [$gprof]
239 --disable-optimizations disable compiler optimizations
240 --enable-extra-warnings enable more compiler warnings
241 --disable-stripping disable stripping of executables and shared libraries
242
243 NOTE: Object files are built at the place where configure is launched.
244 EOF
245 exit 0
246 }
247
248 log(){
249 echo "$@" >> $logfile
250 }
251
252 log_file(){
253 log BEGIN $1
254 pr -n -t $1 >> $logfile
255 log END $1
256 }
257
258 echolog(){
259 log "$@"
260 echo "$@"
261 }
262
263 die(){
264 echolog "$@"
265 cat <<EOF
266
267 If you think configure made a mistake, make sure you are using the latest
268 version from SVN. If the latest version fails, report the problem to the
269 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
270 EOF
271 if disabled logging; then
272 cat <<EOF
273 Rerun configure with logging enabled (do not use --disable-logging), and
274 include the log this produces with your report.
275 EOF
276 else
277 cat <<EOF
278 Include the log file "$logfile" produced by configure as this will help
279 solving the problem.
280 EOF
281 fi
282 exit 1
283 }
284
285 # Avoid locale weirdness, besides we really just want to translate ASCII.
286 toupper(){
287 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
288 }
289
290 tolower(){
291 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
292 }
293
294 c_escape(){
295 echo "$*" | sed 's/["\\]/\\\0/g'
296 }
297
298 sh_quote(){
299 v=$(echo "$1" | sed "s/'/'\\\\''/g")
300 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
301 echo "$v"
302 }
303
304 filter(){
305 pat=$1
306 shift
307 for v; do
308 eval "case $v in $pat) echo $v ;; esac"
309 done
310 }
311
312 set_all(){
313 value=$1
314 shift
315 for var in $*; do
316 eval $var=$value
317 done
318 }
319
320 set_weak(){
321 value=$1
322 shift
323 for var; do
324 eval : \${$var:=$value}
325 done
326 }
327
328 pushvar(){
329 for var in $*; do
330 eval level=\${${var}_level:=0}
331 eval ${var}_${level}="\$$var"
332 eval ${var}_level=$(($level+1))
333 done
334 }
335
336 popvar(){
337 for var in $*; do
338 eval level=\${${var}_level:-0}
339 test $level = 0 && continue
340 eval level=$(($level-1))
341 eval $var="\${${var}_${level}}"
342 eval ${var}_level=$level
343 eval unset ${var}_${level}
344 done
345 }
346
347 enable(){
348 set_all yes $*
349 }
350
351 disable(){
352 set_all no $*
353 }
354
355 enable_weak(){
356 set_weak yes $*
357 }
358
359 disable_weak(){
360 set_weak no $*
361 }
362
363 enable_safe(){
364 for var; do
365 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
366 done
367 }
368
369 disable_safe(){
370 for var; do
371 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
372 done
373 }
374
375 do_enable_deep(){
376 for var; do
377 enabled $var && continue
378 eval sel="\$${var}_select"
379 eval sgs="\$${var}_suggest"
380 pushvar var sgs
381 enable_deep $sel
382 popvar sgs
383 enable_deep_weak $sgs
384 popvar var
385 done
386 }
387
388 enable_deep(){
389 do_enable_deep $*
390 enable $*
391 }
392
393 enable_deep_weak(){
394 do_enable_deep $*
395 enable_weak $*
396 }
397
398 enabled(){
399 test "${1#!}" = "$1" && op== || op=!=
400 eval test "x\$${1#!}" $op "xyes"
401 }
402
403 disabled(){
404 test "${1#!}" = "$1" && op== || op=!=
405 eval test "x\$${1#!}" $op "xno"
406 }
407
408 enabled_all(){
409 for opt; do
410 enabled $opt || return 1
411 done
412 }
413
414 disabled_all(){
415 for opt; do
416 disabled $opt || return 1
417 done
418 }
419
420 enabled_any(){
421 for opt; do
422 enabled $opt && return 0
423 done
424 }
425
426 disabled_any(){
427 for opt; do
428 disabled $opt && return 0
429 done
430 return 1
431 }
432
433 set_default(){
434 for opt; do
435 eval : \${$opt:=\$${opt}_default}
436 done
437 }
438
439 is_in(){
440 value=$1
441 shift
442 for var in $*; do
443 [ $var = $value ] && return 0
444 done
445 return 1
446 }
447
448 check_deps(){
449 for cfg; do
450 cfg="${cfg#!}"
451 enabled ${cfg}_checking && die "Circular dependency for $cfg."
452 disabled ${cfg}_checking && continue
453 enable ${cfg}_checking
454
455 eval dep_all="\$${cfg}_deps"
456 eval dep_any="\$${cfg}_deps_any"
457 eval dep_sel="\$${cfg}_select"
458 eval dep_sgs="\$${cfg}_suggest"
459 eval dep_ifa="\$${cfg}_if"
460 eval dep_ifn="\$${cfg}_if_any"
461
462 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
463 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
464 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
466 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
467 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
468 enabled_all $dep_all || disable $cfg
469 enabled_any $dep_any || disable $cfg
470 disabled_any $dep_sel && disable $cfg
471
472 if enabled $cfg; then
473 eval dep_extralibs="\$${cfg}_extralibs"
474 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
475 enable_deep $dep_sel
476 enable_deep_weak $dep_sgs
477 fi
478
479 disable ${cfg}_checking
480 done
481 }
482
483 print_config(){
484 pfx=$1
485 header=$2
486 makefile=$3
487 shift 3
488 for cfg; do
489 ucname="$(toupper $cfg)"
490 if enabled $cfg; then
491 echo "#define ${pfx}${ucname} 1" >> $header
492 echo "${pfx}${ucname}=yes" >> $makefile
493 else
494 echo "#define ${pfx}${ucname} 0" >> $header
495 echo "!${pfx}${ucname}=yes" >> $makefile
496 fi
497 done
498 }
499
500 flags_saved(){
501 (: ${SAVE_CFLAGS?}) 2> /dev/null
502 }
503
504 save_flags(){
505 flags_saved && return
506 SAVE_CFLAGS="$CFLAGS"
507 SAVE_LDFLAGS="$LDFLAGS"
508 SAVE_extralibs="$extralibs"
509 }
510
511 restore_flags(){
512 flags_saved || return
513 CFLAGS="$SAVE_CFLAGS"
514 LDFLAGS="$SAVE_LDFLAGS"
515 extralibs="$SAVE_extralibs"
516 unset SAVE_CFLAGS
517 unset SAVE_LDFLAGS
518 unset SAVE_extralibs
519 }
520
521 temp_cflags(){
522 save_flags
523 CFLAGS="$CFLAGS $*"
524 }
525
526 temp_ldflags(){
527 save_flags
528 LDFLAGS="$LDFLAGS $*"
529 }
530
531 temp_extralibs(){
532 save_flags
533 extralibs="$extralibs $*"
534 }
535
536 append(){
537 var=$1
538 shift
539 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
540 eval "$var=\"\$$var $*\""
541 }
542
543 add_cppflags(){
544 append CPPFLAGS $($filter_cppflags "$@")
545 }
546
547 add_cflags(){
548 append CFLAGS $($filter_cflags "$@")
549 }
550
551 add_asflags(){
552 append ASFLAGS $($filter_asflags "$@")
553 }
554
555 add_ldflags(){
556 append LDFLAGS "$@"
557 }
558
559 add_extralibs(){
560 append extralibs "$@"
561 }
562
563 check_cmd(){
564 log "$@"
565 "$@" >> $logfile 2>&1
566 }
567
568 check_cc(){
569 log check_cc "$@"
570 cat > $TMPC
571 log_file $TMPC
572 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
573 }
574
575 check_cpp(){
576 log check_cpp "$@"
577 cat > $TMPC
578 log_file $TMPC
579 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
580 }
581
582 check_as(){
583 log check_as "$@"
584 cat > $TMPC
585 log_file $TMPC
586 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
587 }
588
589 check_asm(){
590 log check_asm "$@"
591 name="$1"
592 code="$2"
593 shift 2
594 disable $name
595 check_as "$@" <<EOF && enable $name
596 void foo(void){ __asm__ volatile($code); }
597 EOF
598 }
599
600 check_yasm(){
601 log check_yasm "$@"
602 echo "$1" > $TMPS
603 log_file $TMPS
604 shift 1
605 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
606 }
607
608 check_ld(){
609 log check_ld "$@"
610 flags=''
611 libs=''
612 for f; do
613 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
614 done
615 check_cc $($filter_cflags $flags) || return
616 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
617 }
618
619 check_cppflags(){
620 log check_cppflags "$@"
621 set -- $($filter_cppflags "$@")
622 check_cc "$@" <<EOF && append CPPFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 check_cflags(){
628 log check_cflags "$@"
629 set -- $($filter_cflags "$@")
630 check_cc "$@" <<EOF && append CFLAGS "$@"
631 int x;
632 EOF
633 }
634
635 test_ldflags(){
636 log test_ldflags "$@"
637 check_ld "$@" <<EOF
638 int main(void){ return 0; }
639 EOF
640 }
641
642 check_ldflags(){
643 log check_ldflags "$@"
644 test_ldflags "$@" && add_ldflags "$@"
645 }
646
647 check_header(){
648 log check_header "$@"
649 header=$1
650 shift
651 disable_safe $header
652 check_cpp "$@" <<EOF && enable_safe $header
653 #include <$header>
654 int x;
655 EOF
656 }
657
658 check_func(){
659 log check_func "$@"
660 func=$1
661 shift
662 disable $func
663 check_ld "$@" <<EOF && enable $func
664 extern int $func();
665 int main(void){ $func(); }
666 EOF
667 }
668
669 check_func_headers(){
670 log check_func_headers "$@"
671 headers=$1
672 func=$2
673 shift 2
674 disable $func
675 incs=""
676 for hdr in $headers; do
677 incs="$incs
678 #include <$hdr>"
679 done
680 check_ld "$@" <<EOF && enable $func && enable_safe $headers
681 $incs
682 int main(int argc, char **argv){
683 return (long) $func;
684 }
685 EOF
686 }
687
688 check_cpp_condition(){
689 log check_cpp_condition "$@"
690 header=$1
691 condition=$2
692 shift 2
693 check_cpp $($filter_cppflags "$@") <<EOF
694 #include <$header>
695 #if !($condition)
696 #error "unsatisfied condition: $condition"
697 #endif
698 EOF
699 }
700
701 check_lib(){
702 log check_lib "$@"
703 header="$1"
704 func="$2"
705 shift 2
706 temp_extralibs "$@"
707 check_header $header && check_func $func && add_extralibs "$@"
708 err=$?
709 restore_flags
710 return $err
711 }
712
713 check_lib2(){
714 log check_lib2 "$@"
715 headers="$1"
716 func="$2"
717 shift 2
718 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726 code=$(cat)
727
728 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
729 # are safe but may not be available everywhere. Thus we use
730 # raise(SIGTERM) instead. The check is run in a subshell so we
731 # can redirect the "Terminated" message from the shell. SIGBUS
732 # is not defined by standard C so it is used conditionally.
733
734 (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737 raise(SIGTERM);
738 }
739 int main(void){
740 signal(SIGILL, sighandler);
741 signal(SIGFPE, sighandler);
742 signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744 signal(SIGBUS, sighandler);
745 #endif
746 { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752 log check_type "$@"
753 headers=$1
754 type=$2
755 shift 2
756 disable_safe "$type"
757 incs=""
758 for hdr in $headers; do
759 incs="$incs
760 #include <$hdr>"
761 done
762 check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769 log check_type "$@"
770 headers=$1
771 struct=$2
772 member=$3
773 shift 3
774 disable_safe "${struct}_${member}"
775 incs=""
776 for hdr in $headers; do
777 incs="$incs
778 #include <$hdr>"
779 done
780 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787 name="$1"
788 header="$2"
789 func="$3"
790 shift 3
791 check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795 name="$1"
796 headers="$2"
797 func="$3"
798 shift 3
799 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_foo_config(){
803 cfg=$1
804 pkg=$2
805 header=$3
806 func=$4
807 shift 4
808 disable $cfg
809 check_cmd ${pkg}-config --version
810 err=$?
811 if test "$err" = 0; then
812 temp_cflags $(${pkg}-config --cflags)
813 temp_extralibs $(${pkg}-config --libs)
814 check_lib "$@" $header $func && enable $cfg
815 fi
816 return $err
817 }
818
819 check_host_cc(){
820 log check_host_cc "$@"
821 cat > $TMPC
822 log_file $TMPC
823 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
824 }
825
826 check_host_cflags(){
827 log check_host_cflags "$@"
828 check_host_cc "$@" <<EOF && append host_cflags "$@"
829 int x;
830 EOF
831 }
832
833 apply(){
834 file=$1
835 shift
836 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
837 }
838
839 cp_if_changed(){
840 cmp -s "$1" "$2" &&
841 echo "$2 is unchanged" ||
842 cp -f "$1" "$2"
843 }
844
845 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
846 # system-dependent things.
847
848 COMPONENT_LIST="
849 bsfs
850 decoders
851 demuxers
852 encoders
853 filters
854 hwaccels
855 indevs
856 muxers
857 outdevs
858 parsers
859 protocols
860 "
861
862 CONFIG_LIST="
863 $COMPONENT_LIST
864 aandct
865 avcodec
866 avdevice
867 avfilter
868 avfilter_lavf
869 avformat
870 avisynth
871 beos_netserver
872 bzlib
873 dct
874 doc
875 dxva2
876 fastdiv
877 ffmpeg
878 ffplay
879 ffserver
880 fft
881 golomb
882 gpl
883 gprof
884 gray
885 hardcoded_tables
886 libdc1394
887 libdirac
888 libfaac
889 libfaad
890 libfaadbin
891 libgsm
892 libmp3lame
893 libnut
894 libopencore_amrnb
895 libopencore_amrwb
896 libopenjpeg
897 libschroedinger
898 libspeex
899 libtheora
900 libvorbis
901 libx264
902 libxvid
903 lpc
904 mdct
905 memalign_hack
906 mlib
907 mpegaudio_hp
908 network
909 nonfree
910 pic
911 postproc
912 powerpc_perf
913 rdft
914 runtime_cpudetect
915 shared
916 small
917 static
918 swscale
919 swscale_alpha
920 vaapi
921 vdpau
922 version3
923 x11grab
924 zlib
925 "
926
927 THREADS_LIST='
928 beosthreads
929 os2threads
930 pthreads
931 w32threads
932 '
933
934 ARCH_LIST='
935 alpha
936 arm
937 avr32
938 avr32_ap
939 avr32_uc
940 bfin
941 ia64
942 m68k
943 mips
944 mips64
945 parisc
946 ppc
947 ppc64
948 s390
949 sh4
950 sparc
951 sparc64
952 x86
953 x86_32
954 x86_64
955 '
956
957 ARCH_EXT_LIST='
958 altivec
959 amd3dnow
960 amd3dnowext
961 armv5te
962 armv6
963 armv6t2
964 armvfp
965 iwmmxt
966 mmi
967 mmx
968 mmx2
969 neon
970 ppc4xx
971 sse
972 ssse3
973 vis
974 '
975
976 HAVE_LIST_PUB='
977 bigendian
978 '
979
980 HAVE_LIST="
981 $ARCH_EXT_LIST
982 $HAVE_LIST_PUB
983 $THREADS_LIST
984 alsa_asoundlib_h
985 altivec_h
986 arpa_inet_h
987 attribute_packed
988 bswap
989 closesocket
990 cmov
991 conio_h
992 dcbzl
993 dev_bktr_ioctl_bt848_h
994 dev_bktr_ioctl_meteor_h
995 dev_ic_bt8xx_h
996 dev_video_meteor_ioctl_meteor_h
997 dev_video_bktr_ioctl_bt848_h
998 dlfcn_h
999 dlopen
1000 dos_paths
1001 ebp_available
1002 ebx_available
1003 exp2
1004 exp2f
1005 fast_64bit
1006 fast_clz
1007 fast_cmov
1008 fast_unaligned
1009 fork
1010 getaddrinfo
1011 gethrtime
1012 GetProcessTimes
1013 getrusage
1014 inet_aton
1015 inline_asm
1016 isatty
1017 ldbrx
1018 libdc1394_1
1019 libdc1394_2
1020 llrint
1021 log2
1022 log2f
1023 loongson
1024 lrint
1025 lrintf
1026 lzo1x_999_compress
1027 machine_ioctl_bt848_h
1028 machine_ioctl_meteor_h
1029 malloc_h
1030 memalign
1031 mkstemp
1032 pld
1033 posix_memalign
1034 round
1035 roundf
1036 sdl
1037 sdl_video_size
1038 setmode
1039 socklen_t
1040 soundcard_h
1041 poll_h
1042 struct_addrinfo
1043 struct_ipv6_mreq
1044 struct_sockaddr_in6
1045 struct_sockaddr_sa_len
1046 struct_sockaddr_storage
1047 sys_mman_h
1048 sys_resource_h
1049 sys_select_h
1050 sys_soundcard_h
1051 sys_videoio_h
1052 ten_operands
1053 termios_h
1054 threads
1055 truncf
1056 vfp_args
1057 VirtualAlloc
1058 winsock2_h
1059 xform_asm
1060 yasm
1061 "
1062
1063 # options emitted with CONFIG_ prefix but not available on command line
1064 CONFIG_EXTRA="
1065 avutil
1066 gplv3
1067 lgplv3
1068 "
1069
1070 CMDLINE_SELECT="
1071 $ARCH_EXT_LIST
1072 $CONFIG_LIST
1073 $THREADS_LIST
1074 asm
1075 cross_compile
1076 debug
1077 extra_warnings
1078 logging
1079 optimizations
1080 stripping
1081 yasm
1082 "
1083
1084 PATHS_LIST='
1085 bindir
1086 datadir
1087 incdir
1088 libdir
1089 mandir
1090 prefix
1091 shlibdir
1092 '
1093
1094 CMDLINE_SET="
1095 $PATHS_LIST
1096 arch
1097 as
1098 build_suffix
1099 cc
1100 cpu
1101 cross_prefix
1102 dep_cc
1103 extra_version
1104 host_cc
1105 host_cflags
1106 host_ldflags
1107 host_libs
1108 host_os
1109 ld
1110 logfile
1111 nm
1112 source_path
1113 sysinclude
1114 sysroot
1115 target_exec
1116 target_os
1117 target_path
1118 "
1119
1120 CMDLINE_APPEND="
1121 extra_cflags
1122 "
1123
1124 # code dependency declarations
1125
1126 # architecture extensions
1127
1128 armv5te_deps="arm"
1129 armv6_deps="arm"
1130 armv6t2_deps="arm"
1131 armvfp_deps="arm"
1132 iwmmxt_deps="arm"
1133 neon_deps="arm"
1134
1135 mmi_deps="mips"
1136
1137 altivec_deps="ppc"
1138 ppc4xx_deps="ppc"
1139
1140 vis_deps="sparc"
1141
1142 x86_64_suggest="cmov fast_cmov"
1143 amd3dnow_deps="mmx"
1144 amd3dnowext_deps="amd3dnow"
1145 mmx_deps="x86"
1146 mmx2_deps="mmx"
1147 sse_deps="mmx"
1148 ssse3_deps="sse"
1149
1150 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1151 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1152 fast_unaligned_if_any="armv6 ppc x86"
1153
1154 need_memalign="altivec neon sse"
1155 inline_asm_deps="!tms470"
1156
1157 # decoders / encoders / hardware accelerators
1158 aac_decoder_select="fft mdct aac_parser"
1159 aac_encoder_select="fft mdct"
1160 ac3_decoder_select="fft mdct ac3_parser"
1161 alac_encoder_select="lpc"
1162 atrac3_decoder_select="fft mdct"
1163 cavs_decoder_select="golomb"
1164 cook_decoder_select="fft mdct"
1165 cscd_decoder_suggest="zlib"
1166 dca_decoder_select="fft mdct"
1167 dnxhd_encoder_select="aandct"
1168 dxa_decoder_select="zlib"
1169 eac3_decoder_select="ac3_decoder"
1170 eamad_decoder_select="aandct"
1171 eatgq_decoder_select="aandct"
1172 eatqi_decoder_select="aandct"
1173 ffv1_decoder_select="golomb"
1174 flac_decoder_select="golomb"
1175 flac_encoder_select="golomb lpc"
1176 flashsv_decoder_select="zlib"
1177 flashsv_encoder_select="zlib"
1178 flv_decoder_select="h263_decoder"
1179 flv_encoder_select="h263_encoder"
1180 h261_encoder_select="aandct"
1181 h263_decoder_select="h263_parser"
1182 h263_encoder_select="aandct"
1183 h263_vaapi_hwaccel_deps="va_va_h"
1184 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1185 h263i_decoder_select="h263_decoder"
1186 h263p_encoder_select="h263_encoder"
1187 h264_decoder_select="golomb"
1188 h264_dxva2_hwaccel_deps="dxva2api_h"
1189 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1190 h264_vaapi_hwaccel_deps="va_va_h"
1191 h264_vaapi_hwaccel_select="vaapi"
1192 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1193 h264_vdpau_decoder_select="vdpau h264_decoder"
1194 imc_decoder_select="fft mdct"
1195 jpegls_decoder_select="golomb"
1196 jpegls_encoder_select="golomb"
1197 ljpeg_encoder_select="aandct"
1198 loco_decoder_select="golomb"
1199 mjpeg_encoder_select="aandct"
1200 mlp_decoder_select="mlp_parser"
1201 mpeg1video_encoder_select="aandct"
1202 mpeg2video_encoder_select="aandct"
1203 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1204 mpeg4_encoder_select="h263_encoder"
1205 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1206 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1207 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1208 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1209 mpeg2_vaapi_hwaccel_deps="va_va_h"
1210 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1211 mpeg4_vaapi_hwaccel_deps="va_va_h"
1212 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1213 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1214 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1215 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1216 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1217 msmpeg4v1_decoder_select="h263_decoder"
1218 msmpeg4v1_encoder_select="h263_encoder"
1219 msmpeg4v2_decoder_select="h263_decoder"
1220 msmpeg4v2_encoder_select="h263_encoder"
1221 msmpeg4v3_decoder_select="h263_decoder"
1222 msmpeg4v3_encoder_select="h263_encoder"
1223 nellymoser_decoder_select="fft mdct"
1224 nellymoser_encoder_select="fft mdct"
1225 png_decoder_select="zlib"
1226 png_encoder_select="zlib"
1227 qdm2_decoder_select="fft mdct rdft"
1228 rv10_decoder_select="h263_decoder"
1229 rv10_encoder_select="h263_encoder"
1230 rv20_decoder_select="h263_decoder"
1231 rv20_encoder_select="h263_encoder"
1232 rv30_decoder_select="golomb"
1233 rv40_decoder_select="golomb"
1234 shorten_decoder_select="golomb"
1235 sonic_decoder_select="golomb"
1236 sonic_encoder_select="golomb"
1237 sonic_ls_encoder_select="golomb"
1238 svq3_decoder_select="golomb"
1239 svq3_decoder_suggest="zlib"
1240 theora_decoder_select="vp3_decoder"
1241 tiff_decoder_suggest="zlib"
1242 tiff_encoder_suggest="zlib"
1243 truehd_decoder_select="mlp_decoder"
1244 tscc_decoder_select="zlib"
1245 vc1_decoder_select="h263_decoder"
1246 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1247 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1248 vc1_vaapi_hwaccel_deps="va_va_h"
1249 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1250 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1251 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1252 vorbis_decoder_select="fft mdct"
1253 vorbis_encoder_select="fft mdct"
1254 vp6a_decoder_select="vp6_decoder"
1255 vp6f_decoder_select="vp6_decoder"
1256 wmav1_decoder_select="fft mdct"
1257 wmav1_encoder_select="fft mdct"
1258 wmav2_decoder_select="fft mdct"
1259 wmav2_encoder_select="fft mdct"
1260 wmv1_decoder_select="h263_decoder"
1261 wmv1_encoder_select="h263_encoder"
1262 wmv2_decoder_select="h263_decoder"
1263 wmv2_encoder_select="h263_encoder"
1264 wmv3_decoder_select="vc1_decoder"
1265 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1266 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1267 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1268 zlib_decoder_select="zlib"
1269 zlib_encoder_select="zlib"
1270 zmbv_decoder_select="zlib"
1271 zmbv_encoder_select="zlib"
1272
1273 # parsers
1274 h264_parser_select="golomb"
1275
1276 # bitstream_filters
1277 aac_adtstoasc_bsf_select="aac_parser"
1278
1279 # external libraries
1280 libdirac_decoder_deps="libdirac !libschroedinger"
1281 libdirac_encoder_deps="libdirac"
1282 libfaac_encoder_deps="libfaac"
1283 libfaad_decoder_deps="libfaad"
1284 libfaadbin_decoder_extralibs='$ldl'
1285 libgsm_decoder_deps="libgsm"
1286 libgsm_encoder_deps="libgsm"
1287 libgsm_ms_decoder_deps="libgsm"
1288 libgsm_ms_encoder_deps="libgsm"
1289 libmp3lame_encoder_deps="libmp3lame"
1290 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1291 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1292 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1293 libopenjpeg_decoder_deps="libopenjpeg"
1294 libschroedinger_decoder_deps="libschroedinger"
1295 libschroedinger_encoder_deps="libschroedinger"
1296 libspeex_decoder_deps="libspeex"
1297 libtheora_encoder_deps="libtheora"
1298 libvorbis_encoder_deps="libvorbis"
1299 libx264_encoder_deps="libx264"
1300 libxvid_encoder_deps="libxvid"
1301
1302 # demuxers / muxers
1303 ac3_demuxer_deps="ac3_parser"
1304 asf_stream_muxer_select="asf_muxer"
1305 avisynth_demuxer_deps="avisynth"
1306 dirac_demuxer_deps="dirac_parser"
1307 eac3_demuxer_select="ac3_parser"
1308 ipod_muxer_select="mov_muxer"
1309 libnut_demuxer_deps="libnut"
1310 libnut_muxer_deps="libnut"
1311 matroska_audio_muxer_select="matroska_muxer"
1312 matroska_demuxer_suggest="zlib bzlib"
1313 mov_demuxer_suggest="zlib"
1314 mp3_demuxer_deps="mpegaudio_parser"
1315 mp4_muxer_select="mov_muxer"
1316 mpegtsraw_demuxer_select="mpegts_demuxer"
1317 mxf_d10_muxer_select="mxf_muxer"
1318 ogg_demuxer_select="golomb"
1319 psp_muxer_select="mov_muxer"
1320 rtsp_demuxer_deps="sdp_demuxer"
1321 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1322 spdif_muxer_select="aac_parser"
1323 tg2_muxer_select="mov_muxer"
1324 tgp_muxer_select="mov_muxer"
1325 w64_demuxer_deps="wav_demuxer"
1326
1327 # indevs / outdevs
1328 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1329 alsa_indev_extralibs="-lasound"
1330 alsa_outdev_deps="alsa_asoundlib_h"
1331 alsa_outdev_extralibs="-lasound"
1332 audio_beos_indev_deps="audio_beos"
1333 audio_beos_indev_extralibs="-lmedia -lbe"
1334 audio_beos_outdev_deps="audio_beos"
1335 audio_beos_outdev_extralibs="-lmedia -lbe"
1336 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1337 dv1394_indev_deps="dv1394 dv_demuxer"
1338 jack_indev_deps="jack_jack_h"
1339 jack_indev_extralibs="-ljack"
1340 libdc1394_indev_deps="libdc1394"
1341 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1342 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1343 v4l_indev_deps="linux_videodev_h"
1344 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1345 vfwcap_indev_deps="capCreateCaptureWindow"
1346 vfwcap_indev_extralibs="-lavicap32"
1347 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1348 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1349
1350 # protocols
1351 gopher_protocol_deps="network"
1352 http_protocol_deps="network"
1353 rtmp_protocol_deps="tcp_protocol"
1354 rtp_protocol_deps="udp_protocol"
1355 tcp_protocol_deps="network"
1356 udp_protocol_deps="network"
1357
1358 # filters
1359 movie_filter_deps="avfilter_lavf"
1360 avfilter_lavf_deps="avformat"
1361
1362 # libraries
1363 avdevice_deps="avcodec avformat"
1364 avformat_deps="avcodec"
1365
1366 # programs
1367 ffmpeg_deps="avcodec avformat swscale"
1368 ffplay_deps="avcodec avformat swscale sdl"
1369 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1370 ffserver_extralibs='$ldl'
1371
1372 doc_deps="texi2html"
1373
1374 # default parameters
1375
1376 logfile="config.err"
1377
1378 # installation paths
1379 prefix_default="/usr/local"
1380 bindir_default='${prefix}/bin'
1381 datadir_default='${prefix}/share/ffmpeg'
1382 incdir_default='${prefix}/include'
1383 libdir_default='${prefix}/lib'
1384 mandir_default='${prefix}/share/man'
1385 shlibdir_default="$libdir_default"
1386
1387 # toolchain
1388 ar="ar"
1389 cc_default="gcc"
1390 cc_version=\"unknown\"
1391 host_cc_default="gcc"
1392 ln_s="ln -sf"
1393 nm_default="nm"
1394 objformat="elf"
1395 ranlib="ranlib"
1396 strip="strip"
1397 yasmexe="yasm"
1398
1399 nm_opts='-g'
1400
1401 # machine
1402 arch=$(uname -m)
1403 cpu="generic"
1404
1405 # OS
1406 target_os=$(tolower $(uname -s))
1407 host_os=$target_os
1408
1409 # configurable options
1410 enable avcodec
1411 enable avdevice
1412 enable avformat
1413 enable avutil
1414 enable asm
1415 enable debug
1416 enable doc
1417 enable fastdiv
1418 enable ffmpeg
1419 enable ffplay
1420 enable ffserver
1421 enable mpegaudio_hp
1422 enable network
1423 enable optimizations
1424 enable protocols
1425 enable static
1426 enable stripping
1427 enable swscale
1428 enable swscale_alpha
1429
1430 # build settings
1431 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1432 FFSERVERLDFLAGS=-Wl,-E
1433 LIBPREF="lib"
1434 LIBSUF=".a"
1435 FULLNAME='$(NAME)$(BUILDSUF)'
1436 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1437 SLIBPREF="lib"
1438 SLIBSUF=".so"
1439 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1440 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1441 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1442 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1443
1444 CC_O='-o $@'
1445
1446 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1447 host_libs='-lm'
1448
1449 target_path='.'
1450
1451 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1452 # full relative path for objects in subdirectories for non-recursive Make.
1453 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1454 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1455
1456 # find source path
1457 source_path="$(dirname "$0")"
1458 enable source_path_used
1459 if test -f configure; then
1460 source_path="$(pwd)"
1461 disable source_path_used
1462 else
1463 source_path="$(cd "$source_path"; pwd)"
1464 echo "$source_path" | grep -q '[[:blank:]]' &&
1465 die "Out of tree builds are impossible with whitespace in source path."
1466 test -e "$source_path/config.h" &&
1467 die "Out of tree builds are impossible with config.h in source dir."
1468 fi
1469
1470 for v in "$@"; do
1471 r=${v#*=}
1472 l=${v%"$r"}
1473 r=$(sh_quote "$r")
1474 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1475 done
1476
1477 find_things(){
1478 thing=$1
1479 pattern=$2
1480 file=$source_path/$3
1481 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1482 }
1483
1484 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1485 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1486 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1487 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1488 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1489 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1490 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1491 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1492 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1493 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1494 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1495
1496 enable $ARCH_EXT_LIST \
1497 $DECODER_LIST \
1498 $ENCODER_LIST \
1499 $HWACCEL_LIST \
1500 $PARSER_LIST \
1501 $BSF_LIST \
1502 $DEMUXER_LIST \
1503 $MUXER_LIST \
1504 $FILTER_LIST \
1505 $PROTOCOL_LIST \
1506 $INDEV_LIST \
1507 $OUTDEV_LIST \
1508
1509 die_unknown(){
1510 echo "Unknown option \"$1\"."
1511 echo "See $0 --help for available options."
1512 exit 1
1513 }
1514
1515 show_list() {
1516 suffix=_$1
1517 shift
1518 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1519 exit 0
1520 }
1521
1522 for opt do
1523 optval="${opt#*=}"
1524 case "$opt" in
1525 --extra-ldflags=*) add_ldflags $optval
1526 ;;
1527 --extra-libs=*) add_extralibs $optval
1528 ;;
1529 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1530 ;;
1531 --enable-debug=*) debuglevel="$optval"
1532 ;;
1533 --enable-*=*|--disable-*=*)
1534 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1535 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1536 eval list=\$$(toupper $thing)_LIST
1537 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1538 $action $(filter "$name" $list)
1539 ;;
1540 --enable-?*|--disable-?*)
1541 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1542 if is_in $option $COMPONENT_LIST; then
1543 test $action = disable && action=unset
1544 eval $action \$$(toupper ${option%s})_LIST
1545 elif is_in $option $CMDLINE_SELECT; then
1546 $action $option
1547 else
1548 die_unknown $opt
1549 fi
1550 ;;
1551 --list-*)
1552 NAME="${opt#--list-}"
1553 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1554 NAME=${NAME%s}
1555 eval show_list $NAME \$$(toupper $NAME)_LIST
1556 ;;
1557 --help|-h) show_help
1558 ;;
1559 *)
1560 optname="${opt%%=*}"
1561 optname="${optname#--}"
1562 optname=$(echo "$optname" | sed 's/-/_/g')
1563 if is_in $optname $CMDLINE_SET; then
1564 eval $optname='$optval'
1565 elif is_in $optname $CMDLINE_APPEND; then
1566 append $optname "$optval"
1567 else
1568 die_unknown $opt
1569 fi
1570 ;;
1571 esac
1572 done
1573
1574 disabled logging && logfile=/dev/null
1575
1576 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1577 set >> $logfile
1578
1579 test -n "$cross_prefix" && enable cross_compile
1580
1581 ar="${cross_prefix}${ar}"
1582 cc_default="${cross_prefix}${cc_default}"
1583 nm_default="${cross_prefix}${nm_default}"
1584 ranlib="${cross_prefix}${ranlib}"
1585 strip="${cross_prefix}${strip}"
1586
1587 sysinclude_default="${sysroot}/usr/include"
1588
1589 set_default cc nm sysinclude
1590 enabled cross_compile || host_cc_default=$cc
1591 set_default host_cc
1592
1593 exesuf() {
1594 case $1 in
1595 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1596 esac
1597 }
1598
1599 EXESUF=$(exesuf $target_os)
1600 HOSTEXESUF=$(exesuf $host_os)
1601
1602 # set temporary file name
1603 : ${TMPDIR:=$TEMPDIR}
1604 : ${TMPDIR:=$TMP}
1605 : ${TMPDIR:=/tmp}
1606
1607 if ! check_cmd type mktemp; then
1608 # simple replacement for missing mktemp
1609 # NOT SAFE FOR GENERAL USE
1610 mktemp(){
1611 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1612 }
1613 fi
1614
1615 tmpfile(){
1616 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1617 (set -C; exec > $tmp) 2>/dev/null ||
1618 die "Unable to create temporary file in $TMPDIR."
1619 append TMPFILES $tmp
1620 eval $1=$tmp
1621 }
1622
1623 trap 'rm -f -- $TMPFILES' EXIT
1624 trap exit HUP INT TERM
1625
1626 tmpfile TMPC .c
1627 tmpfile TMPE $EXESUF
1628 tmpfile TMPH .h
1629 tmpfile TMPO .o
1630 tmpfile TMPS .S
1631 tmpfile TMPV .ver
1632 tmpfile TMPSH .sh
1633
1634 unset -f mktemp
1635
1636 # make sure we can execute files in $TMPDIR
1637 cat > $TMPSH 2>> $logfile <<EOF
1638 #! /bin/sh
1639 EOF
1640 chmod +x $TMPSH >> $logfile 2>&1
1641 if ! $TMPSH >> $logfile 2>&1; then
1642 cat <<EOF
1643 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1644 variable to another directory and make sure that it is not mounted noexec.
1645 EOF
1646 die "Sanity test failed."
1647 fi
1648
1649 filter_cflags=echo
1650 filter_cppflags=echo
1651 filter_asflags=echo
1652
1653 if $cc -v 2>&1 | grep -qi ^gcc; then
1654 cc_type=gcc
1655 cc_version=__VERSION__
1656 if ! $cc -dumpversion | grep -q '^2\.'; then
1657 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1658 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1659 fi
1660 elif $cc --version 2>/dev/null | grep -q Intel; then
1661 cc_type=icc
1662 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1663 CC_DEPFLAGS='-MMD'
1664 AS_DEPFLAGS='-MMD'
1665 elif $cc -v 2>&1 | grep -q xlc; then
1666 cc_type=xlc
1667 cc_version="AV_STRINGIFY(__IBMC__)"
1668 elif $cc -V 2>/dev/null | grep -q Compaq; then
1669 cc_type=ccc
1670 cc_version="AV_STRINGIFY(__DECC_VER)"
1671 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1672 debuglevel=3
1673 add_ldflags -Wl,-z,now # calls to libots crash without this
1674 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1675 test -d "$sysroot" || die "No valid sysroot specified."
1676 cc_type=armcc
1677 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1678 armcc_conf="$PWD/armcc.conf"
1679 $cc --arm_linux_configure \
1680 --arm_linux_config_file="$armcc_conf" \
1681 --configure_sysroot="$sysroot" \
1682 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1683 die "Error creating armcc configuration file."
1684 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1685 as_default="${cross_prefix}gcc"
1686 CC_DEPFLAGS='-MMD'
1687 AS_DEPFLAGS='-MMD'
1688 elif $cc -version 2>/dev/null | grep -q TMS470; then
1689 cc_type=tms470
1690 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1691 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1692 CC_O='-fr=$(@D)'
1693 as_default="${cross_prefix}gcc"
1694 ld_default="${cross_prefix}gcc"
1695 TMPO=$(basename $TMPC .c).o
1696 append TMPFILES $TMPO
1697 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1698 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1699 AS_DEPFLAGS='-MMD'
1700 filter_cflags=tms470_flags
1701 tms470_flags(){
1702 for flag; do
1703 case $flag in
1704 -march=*|-mcpu=*)
1705 case "${flag#*=}" in
1706 armv7-a|cortex-a*) echo -mv=7a8 ;;
1707 armv7-r|cortex-r*) echo -mv=7r4 ;;
1708 armv7-m|cortex-m*) echo -mv=7m3 ;;
1709 armv6*|arm11*) echo -mv=6 ;;
1710 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1711 echo -mv=5e ;;
1712 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1713 esac
1714 ;;
1715 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1716 -mfpu=vfp) echo --float_support=vfpv2 ;;
1717 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1718 -msoft-float) echo --float_support=vfplib ;;
1719 -Os) echo -O3 -mf=2 ;;
1720 -O[0-3]) echo $flag -mf=5 ;;
1721 -g) echo -g -mn ;;
1722 -pds=*) echo $flag ;;
1723 esac
1724 done
1725 }
1726 elif $cc -v 2>&1 | grep -q clang; then
1727 cc_type=clang
1728 cc_version=__VERSION__
1729 CC_DEPFLAGS='-MMD'
1730 AS_DEPFLAGS='-MMD'
1731 elif $cc -V 2>&1 | grep -q Sun; then
1732 cc_type=suncc
1733 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1734 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1735 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1736 filter_cflags=suncc_flags
1737 suncc_flags(){
1738 for flag; do
1739 case $flag in
1740 -march=*|-mcpu=*)
1741 case "${flag#*=}" in
1742 native) echo -xtarget=native ;;
1743 v9) echo -xarch=sparc ;;
1744 ultrasparc) echo -xarch=sparcvis ;;
1745 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1746 i586|pentium) echo -xchip=pentium ;;
1747 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1748 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1749 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1750 pentium4*) echo -xtarget=pentium4 ;;
1751 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1752 *-sse3) echo -xarch=sse3 ;;
1753 core2) echo -xarch=ssse3 -xchip=core2 ;;
1754 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1755 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1756 k8|opteron|athlon64|athlon-fx)
1757 echo -xarch=sse2a ;;
1758 athlon*) echo -xarch=pentium_proa ;;
1759 esac
1760 ;;
1761 -std=c99) echo -xc99 ;;
1762 -fomit-frame-pointer) echo -xregs=frameptr ;;
1763 -fPIC) echo -KPIC -xcode=pic32 ;;
1764 -Os) echo -O5 -xspace ;;
1765 -W*,*) echo $flag ;;
1766 -f*-*|-W*) ;;
1767 *) echo $flag ;;
1768 esac
1769 done
1770 }
1771 fi
1772
1773 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1774
1775 : ${as_default:=$cc}
1776 : ${dep_cc_default:=$cc}
1777 : ${ld_default:=$cc}
1778 set_default as dep_cc ld
1779
1780 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1781 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1782
1783 add_cflags $extra_cflags
1784 add_asflags $extra_cflags
1785
1786 if test -n "$sysroot"; then
1787 case "$cc_type" in
1788 gcc)
1789 add_cppflags --sysroot="$sysroot"
1790 add_ldflags --sysroot="$sysroot"
1791 ;;
1792 tms470)
1793 add_cppflags -I"$sysinclude"
1794 add_ldflags --sysroot="$sysroot"
1795 ;;
1796 clang)
1797 add_cppflags -isysroot="$sysroot"
1798 add_ldflags -isysroot="$sysroot"
1799 ;;
1800 esac
1801 fi
1802
1803 if test "$cpu" = host; then
1804 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1805
1806 case "$cc_type" in
1807 gcc)
1808 check_native(){
1809 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1810 sed -n "/$1=/{
1811 s/.*$1=\\([^ ]*\\).*/\\1/
1812 p
1813 q
1814 }" $TMPE
1815 }
1816 cpu=$(check_native -march || check_native -mcpu)
1817 ;;
1818 esac
1819
1820 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1821 fi
1822
1823 # Deal with common $arch aliases
1824 case "$arch" in
1825 arm*)
1826 arch="arm"
1827 ;;
1828 mips|mipsel|IP*)
1829 arch="mips"
1830 ;;
1831 mips64)
1832 arch="mips"
1833 subarch="mips64"
1834 ;;
1835 parisc|hppa)
1836 arch="parisc"
1837 ;;
1838 parisc64|hppa64)
1839 arch="parisc"
1840 subarch="parisc64"
1841 ;;
1842 "Power Macintosh"|ppc|powerpc)
1843 arch="ppc"
1844 ;;
1845 ppc64)
1846 arch="ppc"
1847 subarch="ppc64"
1848 ;;
1849 s390|s390x)
1850 arch="s390"
1851 ;;
1852 sh4|sh)
1853 arch="sh4"
1854 ;;
1855 sun4u|sparc64)
1856 arch="sparc"
1857 subarch="sparc64"
1858 ;;
1859 i[3-6]86|i86pc|BePC|x86_64|amd64)
1860 arch="x86"
1861 ;;
1862 esac
1863
1864 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1865 enable $arch
1866
1867 # Add processor-specific flags
1868 if test "$cpu" = generic; then
1869 : do nothing
1870 elif enabled ppc; then
1871
1872 case $cpu in
1873 601|ppc601|PowerPC601)
1874 cpuflags="-mcpu=601"
1875 ;;
1876 603*|ppc603*|PowerPC603*)
1877 cpuflags="-mcpu=603"
1878 ;;
1879 604*|ppc604*|PowerPC604*)
1880 cpuflags="-mcpu=604"
1881 ;;
1882 G3|g3|75*|ppc75*|PowerPC75*)
1883 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1884 ;;
1885 G4|g4|745*|ppc745*|PowerPC745*)
1886 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1887 ;;
1888 74*|ppc74*|PowerPC74*)
1889 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1890 ;;
1891 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1892 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1893 ;;
1894 Cell|CELL|cell)
1895 cpuflags="-mcpu=cell"
1896 enable ldbrx
1897 ;;
1898 esac
1899
1900 elif enabled x86; then
1901
1902 case $cpu in
1903 i[345]86|pentium)
1904 cpuflags="-march=$cpu"
1905 disable mmx
1906 ;;
1907 # targets that do NOT support conditional mov (cmov)
1908 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1909 cpuflags="-march=$cpu"
1910 disable cmov
1911 ;;
1912 # targets that do support conditional mov (cmov)
1913 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1914 cpuflags="-march=$cpu"
1915 enable cmov
1916 enable fast_cmov
1917 ;;
1918 # targets that do support conditional mov but on which it's slow
1919 pentium4|pentium4m|prescott|nocona)
1920 cpuflags="-march=$cpu"
1921 enable cmov
1922 disable fast_cmov
1923 ;;
1924 esac
1925
1926 elif enabled sparc; then
1927
1928 case $cpu in
1929 sparc64)
1930 cpuflags="-mcpu=v9"
1931 ;;
1932 esac
1933
1934 elif enabled arm; then
1935
1936 case $cpu in
1937 armv*)
1938 cpuflags="-march=$cpu"
1939 ;;
1940 *)
1941 cpuflags="-mcpu=$cpu"
1942 ;;
1943 esac
1944
1945 elif enabled alpha; then
1946
1947 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1948
1949 elif enabled bfin; then
1950
1951 cpuflags="-mcpu=$cpu"
1952
1953 elif enabled mips; then
1954
1955 cpuflags="-march=$cpu"
1956
1957 elif enabled avr32; then
1958
1959 case $cpu in
1960 ap7[02]0[0-2])
1961 subarch="avr32_ap"
1962 cpuflags="-mpart=$cpu"
1963 ;;
1964 ap)
1965 subarch="avr32_ap"
1966 cpuflags="-march=$cpu"
1967 ;;
1968 uc3[ab]*)
1969 subarch="avr32_uc"
1970 cpuflags="-mcpu=$cpu"
1971 ;;
1972 uc)
1973 subarch="avr32_uc"
1974 cpuflags="-march=$cpu"
1975 ;;
1976 esac
1977
1978 fi
1979
1980 add_cflags $cpuflags
1981 add_asflags $cpuflags
1982
1983 # compiler sanity check
1984 check_exec <<EOF
1985 int main(void){ return 0; }
1986 EOF
1987 if test "$?" != 0; then
1988 echo "$cc is unable to create an executable file."
1989 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1990 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1991 echo "Only do this if you know what cross compiling means."
1992 fi
1993 die "C compiler test failed."
1994 fi
1995
1996 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1997 check_cflags -std=c99
1998 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1999 #include <stdlib.h>
2000 EOF
2001 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2002 #include <stdlib.h>
2003 EOF
2004
2005 check_host_cflags -std=c99
2006
2007 case "$arch" in
2008 alpha|ia64|mips|parisc|sparc)
2009 spic=$shared
2010 ;;
2011 x86)
2012 subarch="x86_32"
2013 check_cc <<EOF && subarch="x86_64"
2014 int test[(int)sizeof(char*) - 7];
2015 EOF
2016 if test "$subarch" = "x86_64"; then
2017 spic=$shared
2018 fi
2019 ;;
2020 esac
2021
2022 enable $subarch
2023 enabled spic && enable pic
2024 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2025
2026 # OS specific
2027 case $target_os in
2028 beos|haiku|zeta)
2029 prefix_default="$HOME/config"
2030 # 3 gcc releases known for BeOS, each with ugly bugs
2031 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2032 case "$gcc_version" in
2033 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2034 disable mmx
2035 ;;
2036 *20010315*) echo "BeBits gcc"
2037 add_cflags -fno-expensive-optimizations
2038 ;;
2039 esac
2040 SHFLAGS=-nostart
2041 # enable BeOS things
2042 enable audio_beos
2043 # no need for libm, but the inet stuff
2044 # Check for BONE
2045 # XXX: actually should check for NOT net_server
2046 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2047 network_extralibs="-lbind -lsocket"
2048 else
2049 enable beos_netserver
2050 network_extralibs="-lnet"
2051 fi ;;
2052 sunos)
2053 FFSERVERLDFLAGS=""
2054 SHFLAGS='-shared -Wl,-h,$$(@F)'
2055 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2056 network_extralibs="-lsocket -lnsl"
2057 add_cppflags -D__EXTENSIONS__
2058 nm_opts='-P -g'
2059 ;;
2060 netbsd)
2061 oss_indev_extralibs="-lossaudio"
2062 oss_outdev_extralibs="-lossaudio"
2063 ;;
2064 openbsd)
2065 enable malloc_aligned
2066 # On OpenBSD 4.5. the compiler does not use PIC unless
2067 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2068 # however the generated executable will not do anything
2069 # (simply quits with exit-code 1, no crash, no output).
2070 # Thus explicitly enable PIC here.
2071 enable pic
2072 SHFLAGS='-shared'
2073 oss_indev_extralibs="-lossaudio"
2074 oss_outdev_extralibs="-lossaudio"
2075 ;;
2076 freebsd|dragonfly)
2077 enable malloc_aligned
2078 ;;
2079 bsd/os)
2080 osextralibs="-lpoll -lgnugetopt"
2081 strip="strip -d"
2082 ;;
2083 darwin)
2084 enable malloc_aligned
2085 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2086 strip="strip -x"
2087 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2088 SLIBSUF=".dylib"
2089 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2090 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2091 FFSERVERLDFLAGS=-Wl,-bind_at_load
2092 objformat="macho"
2093 enabled x86_64 && objformat="macho64"
2094 enabled_any pic shared ||
2095 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2096 ;;
2097 mingw32*)
2098 # Adding _WIN32_WINNT=0x0501 makes functions that require
2099 # XP visible and thus may make it binary incompatible with
2100 # earlier versions. Set --target-os=mingw32-prexp if this
2101 # isn't desired.
2102 test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
2103 if test $target_os = "mingw32ce"; then
2104 disable network
2105 else
2106 target_os=mingw32
2107 fi
2108 LIBTARGET=i386
2109 if enabled x86_64; then
2110 enable malloc_aligned
2111 LIBTARGET=x64
2112 elif enabled arm; then
2113 LIBTARGET=arm
2114 fi
2115 shlibdir_default="$bindir_default"
2116 disable ffserver
2117 SLIBPREF=""
2118 SLIBSUF=".dll"
2119 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2120 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2121 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2122 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2123 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2124 install -d "$(LIBDIR)"; \
2125 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2126 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2127 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2128 objformat="win32"
2129 enable dos_paths
2130 check_cflags -fno-common
2131 if ! enabled x86_64; then
2132 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2133 die "ERROR: MinGW runtime version must be >= 3.15."
2134 enabled_any avisynth vfwcap_indev &&
2135 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2136 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2137 fi
2138 ;;
2139 cygwin*)
2140 target_os=cygwin
2141 shlibdir_default="$bindir_default"
2142 SLIBPREF="cyg"
2143 SLIBSUF=".dll"
2144 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2145 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2146 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2147 objformat="win32"
2148 enable dos_paths
2149 check_cflags -fno-common
2150 ;;
2151 *-dos|freedos|opendos)
2152 disable ffplay ffserver
2153 disable $INDEV_LIST $OUTDEV_LIST
2154 network_extralibs="-lsocket"
2155 objformat="coff"
2156 enable dos_paths
2157 ;;
2158 linux)
2159 enable dv1394
2160 ;;
2161 irix*)
2162 target_os=irix
2163 ranlib="echo ignoring ranlib"
2164 ;;
2165 os/2*)
2166 strip="lxlite"
2167 ln_s="cp -f"
2168 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2169 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2170 FFSERVERLDFLAGS=""
2171 LIBSUF="_s.a"
2172 SLIBPREF=""
2173 SLIBSUF=".dll"
2174 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2175 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2176 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2177 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2178 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2179 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2180 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2181 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2182 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2183 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2184 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2185 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2186 enable dos_paths
2187 ;;
2188 gnu/kfreebsd)
2189 ;;
2190 gnu)
2191 ;;
2192
2193 *)
2194 die "Unknown OS '$target_os'."
2195 ;;
2196 esac
2197
2198 set_default $PATHS_LIST
2199
2200 add_extralibs $osextralibs
2201
2202 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2203 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2204
2205 # we need to build at least one lib type
2206 if ! enabled_any static shared; then
2207 cat <<EOF
2208 At least one library type must be built.
2209 Specify --enable-static to build the static libraries or --enable-shared to
2210 build the shared libraries as well. To only build the shared libraries specify
2211 --disable-static in addition to --enable-shared.
2212 EOF
2213 exit 1;
2214 fi
2215
2216 disabled static && LIBNAME=""
2217
2218 if enabled_any libfaad libfaadbin ; then
2219 if check_header faad.h; then
2220 check_cc <<EOF
2221 #include <faad.h>
2222 #ifndef FAAD2_VERSION
2223 ok faad1
2224 #endif
2225 int main(void) { return 0; }
2226 EOF
2227 test $? = 0 && enable libfaad2
2228 else
2229 die "FAAD test failed."
2230 fi
2231 fi
2232
2233
2234 die_license_disabled() {
2235 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2236 }
2237
2238 die_license_disabled gpl libfaad2
2239 die_license_disabled gpl libx264
2240 die_license_disabled gpl libxvid
2241 die_license_disabled gpl postproc
2242 die_license_disabled gpl x11grab
2243
2244 die_license_disabled nonfree libfaac
2245
2246 die_license_disabled version3 libopencore_amrnb
2247 die_license_disabled version3 libopencore_amrwb
2248
2249 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2250
2251 check_deps $ARCH_EXT_LIST
2252
2253 disabled optimizations || check_cflags -fomit-frame-pointer
2254
2255 enable_pic() {
2256 enable pic
2257 add_cppflags -DPIC
2258 add_cflags -fPIC
2259 add_asflags -fPIC
2260 }
2261
2262 enabled pic && enable_pic
2263
2264 check_cc <<EOF || die "Symbol mangling check failed."
2265 int ff_extern;
2266 EOF
2267 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2268 extern_prefix=${sym%%ff_extern*}
2269
2270 check_cc <<EOF && enable inline_asm
2271 void foo(void) { __asm__ volatile ("" ::); }
2272 EOF
2273
2274 _restrict=
2275 for restrict_keyword in restrict __restrict__ __restrict; do
2276 check_cc <<EOF && _restrict=$restrict_keyword && break
2277 void foo(char * $restrict_keyword p);
2278 EOF
2279 done
2280
2281 check_cc <<EOF && enable attribute_packed
2282 struct { int x; } __attribute__((packed)) x;
2283 EOF
2284
2285 check_cc <<EOF || die "endian test failed"
2286 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2287 EOF
2288 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2289
2290 if enabled alpha; then
2291
2292 check_cflags -mieee
2293
2294 elif enabled arm; then
2295
2296 check_cflags -marm
2297
2298 check_ld <<EOF && enable vfp_args
2299 __asm__ (".eabi_attribute 28, 1");
2300 int main(void) { return 0; }
2301 EOF
2302
2303 # We have to check if pld is a nop and disable it.
2304 check_asm pld '"pld [r0]"'
2305
2306 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2307 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2308 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2309 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2310 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2311 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2312
2313 enabled_all armv6t2 shared !pic && enable_pic
2314
2315 elif enabled ia64; then
2316
2317 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2318 enabled shared && enable_weak hardcoded_tables
2319
2320 elif enabled mips; then
2321
2322 check_asm loongson '"dmult.g $1, $2, $3"'
2323 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2324
2325 elif enabled ppc; then
2326
2327 check_asm dcbzl '"dcbzl 0, 1"'
2328 check_asm ppc4xx '"maclhw r10, r11, r12"'
2329 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2330
2331 # AltiVec flags: The FSF version of GCC differs from the Apple version
2332 if enabled altivec; then
2333 check_cflags -maltivec -mabi=altivec &&
2334 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2335 check_cflags -faltivec
2336
2337 # check if our compiler supports Motorola AltiVec C API
2338 check_cc <<EOF || disable altivec
2339 $inc_altivec_h
2340 int main(void) {
2341 vector signed int v1, v2, v3;
2342 v1 = vec_add(v2,v3);
2343 return 0;
2344 }
2345 EOF
2346
2347 # check if our compiler supports braces for vector declarations
2348 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2349 $inc_altivec_h
2350 int main (void) { (vector int) {1}; return 0; }
2351 EOF
2352 fi
2353
2354 elif enabled sparc; then
2355
2356 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2357 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2358
2359 elif enabled x86; then
2360
2361 # check whether EBP is available on x86
2362 # As 'i' is stored on the stack, this program will crash
2363 # if the base pointer is used to access it because the
2364 # base pointer is cleared in the inline assembly code.
2365 check_exec_crash <<EOF && enable ebp_available
2366 volatile int i=0;
2367 __asm__ volatile (
2368 "xorl %%ebp, %%ebp"
2369 ::: "%ebp");
2370 return i;
2371 EOF
2372
2373 # check whether EBX is available on x86
2374 check_asm ebx_available '""::"b"(0)' &&
2375 check_asm ebx_available '"":::"%ebx"'
2376
2377 # check whether more than 10 operands are supported
2378 check_cc <<EOF && enable ten_operands
2379 int main(void) {
2380 int x=0;
2381 __asm__ volatile(
2382 ""
2383 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2384 );
2385 return 0;
2386 }
2387 EOF
2388
2389 # check whether binutils is new enough to compile SSSE3/MMX2
2390 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2391 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2392
2393 check_asm bswap '"bswap %%eax" ::: "%eax"'
2394
2395 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2396 enabled x86_64 && append YASMFLAGS "-m amd64"
2397 enabled pic && append YASMFLAGS "-DPIC"
2398 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2399 case "$objformat" in
2400 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2401 esac
2402 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2403
2404 case "$cpu" in
2405 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2406 disable fast_clz
2407 ;;
2408 esac
2409
2410 fi
2411
2412 if check_func dlopen; then
2413 ldl=
2414 elif check_func dlopen -ldl; then
2415 ldl=-ldl
2416 fi
2417
2418 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2419 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2420
2421 check_func fork
2422 check_func getaddrinfo $network_extralibs
2423 check_func gethrtime
2424 check_func getrusage
2425 check_func inet_aton $network_extralibs
2426 check_func isatty
2427 check_func memalign
2428 check_func mkstemp
2429 check_func posix_memalign
2430 check_func_headers io.h setmode
2431 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2432 check_func_headers windows.h GetProcessTimes
2433 check_func_headers windows.h VirtualAlloc
2434
2435 check_header conio.h
2436 check_header dlfcn.h
2437 check_header dxva2api.h
2438 check_header malloc.h
2439 check_header poll.h
2440 check_header sys/mman.h
2441 check_header sys/resource.h
2442 check_header sys/select.h
2443 check_header termios.h
2444 check_header vdpau/vdpau.h
2445 check_header vdpau/vdpau_x11.h
2446 check_header X11/extensions/XvMClib.h
2447
2448 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2449
2450 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2451 enabled_any $need_memalign ; then
2452 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2453 fi
2454
2455 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2456 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2457
2458 # check for some common methods of building with pthread support
2459 # do this before the optional library checks as some of them require pthreads
2460 if enabled pthreads; then
2461 if check_func pthread_create; then
2462 :
2463 elif check_func pthread_create -pthread; then
2464 add_cflags -pthread
2465 add_extralibs -pthread
2466 elif check_func pthread_create -pthreads; then
2467 add_cflags -pthreads
2468 add_extralibs -pthreads
2469 elif check_func pthread_create -lpthreadGC2; then
2470 add_extralibs -lpthreadGC2
2471 elif ! check_lib pthread.h pthread_create -lpthread; then
2472 die "ERROR: can't find pthreads library"
2473 fi
2474 fi
2475
2476 for thread in $THREADS_LIST; do
2477 if enabled $thread; then
2478 test -n "$thread_type" &&
2479 die "ERROR: Only one thread type must be selected." ||
2480 thread_type="$thread"
2481 fi
2482 done
2483
2484 check_lib math.h sin -lm
2485 check_lib va/va.h vaInitialize -lva
2486
2487 check_func exp2
2488 check_func exp2f
2489 check_func llrint
2490 check_func log2
2491 check_func log2f
2492 check_func lrint
2493 check_func lrintf
2494 check_func round
2495 check_func roundf
2496 check_func truncf
2497
2498 # these are off by default, so fail if requested and not available
2499 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2500 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2501 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2502 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2503 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2504 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2505 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2506 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2507 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2508 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2509 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2510 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2511 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2512 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2513 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2514 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2515 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2516 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2517 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2518 die "ERROR: libx264 version must be >= 0.83."; }
2519 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2520 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2521
2522 # libdc1394 check
2523 if enabled libdc1394; then
2524 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2525 enable libdc1394_2; } ||
2526 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2527 enable libdc1394_1; } ||
2528 die "ERROR: No version of libdc1394 found "
2529 fi
2530
2531 SDL_CONFIG="${cross_prefix}sdl-config"
2532 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2533 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2534 sdl_libs=$("${SDL_CONFIG}" --libs)
2535 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2536 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2537 enable sdl &&
2538 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2539 fi
2540
2541 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2542
2543 if enabled network; then
2544 check_type "sys/types.h sys/socket.h" socklen_t
2545 check_type netdb.h "struct addrinfo"
2546 check_type netinet/in.h "struct ipv6_mreq"
2547 check_type netinet/in.h "struct sockaddr_in6"
2548 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2549 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2550 # Prefer arpa/inet.h over winsock2
2551 if check_header arpa/inet.h ; then
2552 check_func closesocket
2553 elif check_header winsock2.h ; then
2554 check_func_headers winsock2.h closesocket -lws2 && \
2555 network_extralibs="-lws2" || \
2556 { check_func_headers winsock2.h closesocket -lws2_32 && \
2557 network_extralibs="-lws2_32"; }
2558 # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
2559 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2560 check_type ws2tcpip.h socklen_t
2561 check_type ws2tcpip.h "struct addrinfo"
2562 check_type ws2tcpip.h "struct ipv6_mreq"
2563 check_type ws2tcpip.h "struct sockaddr_in6"
2564 check_type ws2tcpip.h "struct sockaddr_storage"
2565 check_struct winsock2.h "struct sockaddr" sa_len
2566 else
2567 disable network
2568 fi
2569 fi
2570
2571 check_header linux/videodev.h
2572 check_header linux/videodev2.h
2573 check_header sys/videoio.h
2574
2575 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2576
2577 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2578 { check_header dev/bktr/ioctl_meteor.h &&
2579 check_header dev/bktr/ioctl_bt848.h; } ||
2580 { check_header machine/ioctl_meteor.h &&
2581 check_header machine/ioctl_bt848.h; } ||
2582 { check_header dev/video/meteor/ioctl_meteor.h &&
2583 check_header dev/video/bktr/ioctl_bt848.h; } ||
2584 check_header dev/ic/bt8xx.h
2585
2586 check_header sys/soundcard.h
2587 check_header soundcard.h
2588
2589 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2590
2591 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2592
2593 enabled x11grab &&
2594 check_header X11/Xlib.h &&
2595 check_header X11/extensions/XShm.h &&
2596 check_header X11/extensions/Xfixes.h &&
2597 check_func XOpenDisplay -lX11 &&
2598 check_func XShmCreateImage -lX11 -lXext &&
2599 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2600
2601 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2602 check_cpp_condition \
2603 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2604 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2605 disable vdpau; }
2606 fi
2607
2608 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2609
2610 # add some useful compiler flags if supported
2611 check_cflags -Wdeclaration-after-statement
2612 check_cflags -Wall
2613 check_cflags -Wno-switch
2614 check_cflags -Wdisabled-optimization
2615 check_cflags -Wpointer-arith
2616 check_cflags -Wredundant-decls
2617 check_cflags -Wno-pointer-sign
2618 check_cflags -Wcast-qual
2619 check_cflags -Wwrite-strings
2620 check_cflags -Wtype-limits
2621 check_cflags -Wundef
2622 enabled extra_warnings && check_cflags -Winline
2623
2624 # add some linker flags
2625 check_ldflags -Wl,--warn-common
2626 check_ldflags -Wl,--as-needed
2627 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'
2628 check_ldflags -Wl,-Bsymbolic
2629
2630 echo "X{};" > $TMPV
2631 test_ldflags -Wl,--version-script,$TMPV &&
2632 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2633
2634 if enabled small; then
2635 check_cflags -Os # not all compilers support -Os
2636 optimizations="small"
2637 elif enabled optimizations; then
2638 if enabled xlc; then
2639 add_cflags -O5
2640 add_ldflags -O5
2641 elif enabled suncc; then
2642 add_cflags -O5
2643 elif enabled ccc; then
2644 add_cflags -fast
2645 else
2646 add_cflags -O3
2647 fi
2648 fi
2649 check_cflags -fno-math-errno
2650 check_cflags -fno-signed-zeros
2651
2652 if enabled icc; then
2653 # Just warnings, no remarks
2654 check_cflags -w1
2655 # -wd: Disable following warnings
2656 # 144, 167, 556: -Wno-pointer-sign
2657 # 10006: ignoring unknown option -fno-signed-zeros
2658 # 10156: ignoring option '-W'; no argument required
2659 check_cflags -wd144,167,556,10006,10156
2660 # 11030: Warning unknown option --as-needed
2661 # 10156: ignoring option '-export'; no argument required
2662 check_ldflags -wd10156,11030
2663 # Allow to compile with optimizations
2664 check_ldflags -march=$cpu
2665 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2666 enable ebp_available
2667 elif enabled ccc; then
2668 # disable some annoying warnings
2669 add_cflags -msg_disable cvtu32to64
2670 add_cflags -msg_disable embedcomment
2671 add_cflags -msg_disable needconstext
2672 add_cflags -msg_disable nomainieee
2673 add_cflags -msg_disable ptrmismatch1
2674 add_cflags -msg_disable unreachcode
2675 elif enabled gcc; then
2676 check_cflags -fno-tree-vectorize
2677 elif enabled clang; then
2678 check_cflags -Qunused-arguments
2679 elif enabled armcc; then
2680 # 2523: use of inline assembler is deprecated
2681 add_cflags -Wrvct,--diag_suppress=2523
2682 elif enabled tms470; then
2683 add_cflags -pds=824 -pds=837
2684 fi
2685
2686 if enabled gprof; then
2687 add_cflags -p
2688 add_ldflags -p
2689 fi
2690
2691 # Find out if the .align argument is a power of two or not.
2692 check_asm asmalign_pot '".align 3"'
2693
2694 enabled_any $DECODER_LIST && enable decoders
2695 enabled_any $ENCODER_LIST && enable encoders
2696 enabled_any $HWACCEL_LIST && enable hwaccels
2697 enabled_any $BSF_LIST && enable bsfs
2698 enabled_any $DEMUXER_LIST && enable demuxers
2699 enabled_any $MUXER_LIST && enable muxers
2700 enabled_any $FILTER_LIST && enable filters
2701 enabled_any $INDEV_LIST && enable indevs
2702 enabled_any $OUTDEV_LIST && enable outdevs
2703 enabled_any $PROTOCOL_LIST && enable protocols
2704
2705 enabled_any $THREADS_LIST && enable threads
2706
2707 check_deps $CONFIG_LIST \
2708 $CONFIG_EXTRA \
2709 $HAVE_LIST \
2710 $DECODER_LIST \
2711 $ENCODER_LIST \
2712 $HWACCEL_LIST \
2713 $PARSER_LIST \
2714 $BSF_LIST \
2715 $DEMUXER_LIST \
2716 $MUXER_LIST \
2717 $FILTER_LIST \
2718 $INDEV_LIST \
2719 $OUTDEV_LIST \
2720 $PROTOCOL_LIST \
2721
2722 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2723
2724 echo "install prefix $prefix"
2725 echo "source path $source_path"
2726 echo "C compiler $cc"
2727 echo ".align is power-of-two $asmalign_pot"
2728 echo "ARCH $arch ($cpu)"
2729 if test "$build_suffix" != ""; then
2730 echo "build suffix $build_suffix"
2731 fi
2732 if test "$extra_version" != ""; then
2733 echo "version string suffix $extra_version"
2734 fi
2735 echo "big-endian ${bigendian-no}"
2736 echo "runtime cpu detection ${runtime_cpudetect-no}"
2737 if enabled x86; then
2738 echo "yasm ${yasm-no}"
2739 echo "MMX enabled ${mmx-no}"
2740 echo "MMX2 enabled ${mmx2-no}"
2741 echo "3DNow! enabled ${amd3dnow-no}"
2742 echo "3DNow! extended enabled ${amd3dnowext-no}"
2743 echo "SSE enabled ${sse-no}"
2744 echo "SSSE3 enabled ${ssse3-no}"
2745 echo "CMOV enabled ${cmov-no}"
2746 echo "CMOV is fast ${fast_cmov-no}"
2747 echo "EBX available ${ebx_available-no}"
2748 echo "EBP available ${ebp_available-no}"
2749 echo "10 operands supported ${ten_operands-no}"
2750 fi
2751 if enabled arm; then
2752 echo "ARMv5TE enabled ${armv5te-no}"
2753 echo "ARMv6 enabled ${armv6-no}"
2754 echo "ARMv6T2 enabled ${armv6t2-no}"
2755 echo "ARM VFP enabled ${armvfp-no}"
2756 echo "IWMMXT enabled ${iwmmxt-no}"
2757 echo "NEON enabled ${neon-no}"
2758 fi
2759 if enabled mips; then
2760 echo "MMI enabled ${mmi-no}"
2761 fi
2762 if enabled ppc; then
2763 echo "AltiVec enabled ${altivec-no}"
2764 echo "PPC 4xx optimizations ${ppc4xx-no}"
2765 echo "dcbzl available ${dcbzl-no}"
2766 echo "performance report ${powerpc_perf-no}"
2767 fi
2768 if enabled sparc; then
2769 echo "VIS enabled ${vis-no}"
2770 fi
2771 echo "gprof enabled ${gprof-no}"
2772 echo "debug symbols ${debug-no}"
2773 echo "strip symbols ${stripping-no}"
2774 echo "optimizations ${optimizations-no}"
2775 echo "static ${static-no}"
2776 echo "shared ${shared-no}"
2777 echo "postprocessing support ${postproc-no}"
2778 echo "new filter support ${avfilter-no}"
2779 echo "filters using lavformat ${avfilter_lavf-no}"
2780 echo "network support ${network-no}"
2781 echo "threading support ${thread_type-no}"
2782 echo "SDL support ${sdl-no}"
2783 echo "Sun medialib support ${mlib-no}"
2784 echo "AVISynth enabled ${avisynth-no}"
2785 echo "libdc1394 support ${libdc1394-no}"
2786 echo "libdirac enabled ${libdirac-no}"
2787 echo "libfaac enabled ${libfaac-no}"
2788 echo "libfaad enabled ${libfaad-no}"
2789 echo "libfaad dlopened ${libfaadbin-no}"
2790 echo "libgsm enabled ${libgsm-no}"
2791 echo "libmp3lame enabled ${libmp3lame-no}"
2792 echo "libnut enabled ${libnut-no}"
2793 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2794 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2795 echo "libopenjpeg enabled ${libopenjpeg-no}"
2796 echo "libschroedinger enabled ${libschroedinger-no}"
2797 echo "libspeex enabled ${libspeex-no}"
2798 echo "libtheora enabled ${libtheora-no}"
2799 echo "libvorbis enabled ${libvorbis-no}"
2800 echo "libx264 enabled ${libx264-no}"
2801 echo "libxvid enabled ${libxvid-no}"
2802 echo "zlib enabled ${zlib-no}"
2803 echo "bzlib enabled ${bzlib-no}"
2804 echo
2805
2806 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2807 echo "Enabled ${type}s:"
2808 eval list=\$$(toupper $type)_LIST
2809 for part in $list; do
2810 enabled $part && echo ${part%_*}
2811 done | sort | pr -3 -t
2812 echo
2813 done
2814
2815 license="LGPL version 2.1 or later"
2816 if enabled nonfree; then
2817 license="nonfree and unredistributable"
2818 elif enabled gplv3; then
2819 license="GPL version 3 or later"
2820 elif enabled lgplv3; then
2821 license="LGPL version 3 or later"
2822 elif enabled gpl; then
2823 license="GPL version 2 or later"
2824 fi
2825
2826 echo "License: $license"
2827
2828 echo "Creating config.mak and config.h..."
2829
2830 # build tree in object directory if source path is different from current one
2831 if enabled source_path_used; then
2832 DIRS="
2833 doc
2834 libavcodec
2835 libavcodec/$arch
2836 libavdevice
2837 libavfilter
2838 libavformat
2839 libavutil
2840 libavutil/$arch
2841 libpostproc
2842 libswscale
2843 libswscale/$arch
2844 tests
2845 tools
2846 "
2847 FILES="
2848 Makefile
2849 common.mak
2850 subdir.mak
2851 doc/texi2pod.pl
2852 libavcodec/Makefile
2853 libavdevice/Makefile
2854 libavfilter/Makefile
2855 libavformat/Makefile
2856 libavutil/Makefile
2857 libpostproc/Makefile
2858 libswscale/Makefile
2859 "
2860 for dir in $DIRS ; do
2861 mkdir -p $dir
2862 done
2863 for f in $FILES ; do
2864 $ln_s "$source_path/$f" $f
2865 done
2866 fi
2867
2868 enabled stripping || strip="echo skipping strip"
2869
2870 cat > config.mak <<EOF
2871 # Automatically generated by configure - do not modify!
2872 ifndef FFMPEG_CONFIG_MAK
2873 FFMPEG_CONFIG_MAK=1
2874 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2875 prefix=$prefix
2876 LIBDIR=\$(DESTDIR)$libdir
2877 SHLIBDIR=\$(DESTDIR)$shlibdir
2878 INCDIR=\$(DESTDIR)$incdir
2879 BINDIR=\$(DESTDIR)$bindir
2880 DATADIR=\$(DESTDIR)$datadir
2881 MANDIR=\$(DESTDIR)$mandir
2882 SRC_PATH="$source_path"
2883 SRC_PATH_BARE=$source_path
2884 BUILD_ROOT="$PWD"
2885 ARCH=$arch
2886 CC=$cc
2887 AS=$as
2888 LD=$ld
2889 DEPCC=$dep_cc
2890 YASM=$yasmexe
2891 AR=$ar
2892 RANLIB=$ranlib
2893 LN_S=$ln_s
2894 STRIP=$strip
2895 CPPFLAGS=$CPPFLAGS
2896 CFLAGS=$CFLAGS
2897 ASFLAGS=$ASFLAGS
2898 CC_O=$CC_O
2899 LDFLAGS=$LDFLAGS
2900 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2901 SHFLAGS=$SHFLAGS
2902 YASMFLAGS=$YASMFLAGS
2903 BUILDSUF=$build_suffix
2904 FULLNAME=$FULLNAME
2905 LIBPREF=$LIBPREF
2906 LIBSUF=$LIBSUF
2907 LIBNAME=$LIBNAME
2908 SLIBPREF=$SLIBPREF
2909 SLIBSUF=$SLIBSUF
2910 EXESUF=$EXESUF
2911 EXTRA_VERSION=$extra_version
2912 DEPFLAGS=$DEPFLAGS
2913 CCDEP=$CCDEP
2914 ASDEP=$ASDEP
2915 CC_DEPFLAGS=$CC_DEPFLAGS
2916 AS_DEPFLAGS=$AS_DEPFLAGS
2917 HOSTCC=$host_cc
2918 HOSTCFLAGS=$host_cflags
2919 HOSTEXESUF=$HOSTEXESUF
2920 HOSTLDFLAGS=$host_ldflags
2921 HOSTLIBS=$host_libs
2922 TARGET_EXEC=$target_exec
2923 TARGET_PATH=$target_path
2924 SDL_LIBS=$sdl_libs
2925 SDL_CFLAGS=$sdl_cflags
2926 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2927 EXTRALIBS=$extralibs
2928 EOF
2929
2930 get_version(){
2931 name=$1
2932 file=$source_path/$2
2933 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2934 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2935 lcname=$(tolower $name)
2936 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2937 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2938 }
2939
2940 get_version LIBSWSCALE libswscale/swscale.h
2941 get_version LIBPOSTPROC libpostproc/postprocess.h
2942 get_version LIBAVCODEC libavcodec/avcodec.h
2943 get_version LIBAVDEVICE libavdevice/avdevice.h
2944 get_version LIBAVFORMAT libavformat/avformat.h
2945 get_version LIBAVUTIL libavutil/avutil.h
2946 get_version LIBAVFILTER libavfilter/avfilter.h
2947
2948 enabled shared && cat >> config.mak <<EOF
2949 LIBTARGET=${LIBTARGET}
2950 SLIBNAME=${SLIBNAME}
2951 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2952 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2953 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2954 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2955 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2956 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2957 EOF
2958
2959 enabled asmalign_pot || align_shift="1 <<"
2960
2961 cat > $TMPH <<EOF
2962 /* Automatically generated by configure - do not modify! */
2963 #ifndef FFMPEG_CONFIG_H
2964 #define FFMPEG_CONFIG_H
2965 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2966 #define FFMPEG_LICENSE "$(c_escape $license)"
2967 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2968 #define CC_TYPE "$cc_type"
2969 #define CC_VERSION $cc_version
2970 #define restrict $_restrict
2971 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2972 #define EXTERN_PREFIX "${extern_prefix}"
2973 #define EXTERN_ASM ${extern_prefix}
2974 EOF
2975
2976 if enabled small || disabled optimizations; then
2977 echo "#define av_always_inline" >> $TMPH
2978 fi
2979
2980 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2981 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2982 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2983 $CONFIG_EXTRA \
2984 $DECODER_LIST \
2985 $ENCODER_LIST \
2986 $HWACCEL_LIST \
2987 $PARSER_LIST \
2988 $BSF_LIST \
2989 $DEMUXER_LIST \
2990 $MUXER_LIST \
2991 $FILTER_LIST \
2992 $PROTOCOL_LIST \
2993 $INDEV_LIST \
2994 $OUTDEV_LIST \
2995
2996 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2997 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2998
2999 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3000 cp_if_changed $TMPH config.h
3001
3002 cat > $TMPH <<EOF
3003 /* Generated by ffconf */
3004 #ifndef AVUTIL_AVCONFIG_H
3005 #define AVUTIL_AVCONFIG_H
3006 EOF
3007
3008 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3009
3010 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3011
3012 cp_if_changed $TMPH libavutil/avconfig.h
3013
3014 # build pkg-config files
3015
3016 pkgconfig_generate(){
3017 name=$1
3018 shortname=${name#lib}${build_suffix}
3019 comment=$2
3020 version=$3
3021 libs=$4
3022 requires=$5
3023 cat <<EOF > $name/$name.pc
3024 prefix=$prefix
3025 exec_prefix=\${prefix}
3026 libdir=$libdir
3027 includedir=$incdir
3028
3029 Name: $name
3030 Description: $comment
3031 Version: $version
3032 Requires: $(enabled shared || echo $requires)
3033 Requires.private: $(enabled shared && echo $requires)
3034 Conflicts:
3035 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3036 Libs.private: $(enabled shared && echo $libs)
3037 Cflags: -I\${includedir}
3038 EOF
3039 cat <<EOF > $name/$name-uninstalled.pc
3040 prefix=
3041 exec_prefix=
3042 libdir=\${pcfiledir}
3043 includedir=${source_path}
3044
3045 Name: $name
3046 Description: $comment
3047 Version: $version
3048 Requires: $requires
3049 Conflicts:
3050 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3051 Cflags: -I\${includedir}
3052 EOF
3053 }
3054
3055 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3056 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3057 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3058 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3059 enabled avfilter &&
3060 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3061 enabled postproc &&
3062 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3063 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"