Ignore annoying armcc warnings
[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-dct disable DCT code
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-lpc disable LPC code
106 --disable-mdct disable MDCT code
107 --disable-rdft disable RDFT code
108 --disable-vaapi disable VAAPI code
109 --disable-vdpau disable VDPAU code
110 --disable-dxva2 disable DXVA2 code
111 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
112 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
113 --enable-memalign-hack emulate memalign, interferes with memory debuggers
114 --enable-beos-netserver enable BeOS netserver
115 --disable-encoder=NAME disable encoder NAME
116 --enable-encoder=NAME enable encoder NAME
117 --disable-encoders disable all encoders
118 --disable-decoder=NAME disable decoder NAME
119 --enable-decoder=NAME enable decoder NAME
120 --disable-decoders disable all decoders
121 --disable-hwaccel=NAME disable hwaccel NAME
122 --enable-hwaccel=NAME enable hwaccel NAME
123 --disable-hwaccels disable all hwaccels
124 --disable-muxer=NAME disable muxer NAME
125 --enable-muxer=NAME enable muxer NAME
126 --disable-muxers disable all muxers
127 --disable-demuxer=NAME disable demuxer NAME
128 --enable-demuxer=NAME enable demuxer NAME
129 --disable-demuxers disable all demuxers
130 --enable-parser=NAME enable parser NAME
131 --disable-parser=NAME disable parser NAME
132 --disable-parsers disable all parsers
133 --enable-bsf=NAME enable bitstream filter NAME
134 --disable-bsf=NAME disable bitstream filter NAME
135 --disable-bsfs disable all bitstream filters
136 --enable-protocol=NAME enable protocol NAME
137 --disable-protocol=NAME disable protocol NAME
138 --disable-protocols disable all protocols
139 --disable-indev=NAME disable input device NAME
140 --disable-outdev=NAME disable output device NAME
141 --disable-indevs disable input devices
142 --disable-outdevs disable output devices
143 --disable-devices disable all devices
144 --enable-filter=NAME enable filter NAME
145 --disable-filter=NAME disable filter NAME
146 --disable-filters disable all filters
147 --list-decoders show all available decoders
148 --list-encoders show all available encoders
149 --list-hwaccels show all available hardware accelerators
150 --list-muxers show all available muxers
151 --list-demuxers show all available demuxers
152 --list-parsers show all available parsers
153 --list-protocols show all available protocols
154 --list-bsfs show all available bitstream filters
155 --list-indevs show all available input devices
156 --list-outdevs show all available output devices
157 --list-filters show all available filters
158
159 External library support:
160 --enable-avisynth enable reading of AVISynth script files [no]
161 --enable-bzlib enable bzlib [autodetect]
162 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
163 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
164 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
165 and libraw1394 [no]
166 --enable-libdirac enable Dirac support via libdirac [no]
167 --enable-libfaac enable FAAC support via libfaac [no]
168 --enable-libfaad enable FAAD support via libfaad [no]
169 --enable-libfaadbin open libfaad.so.0 at runtime [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-libschroedinger enable Dirac support via libschroedinger [no]
176 --enable-libspeex enable Speex decoding via libspeex [no]
177 --enable-libtheora enable Theora encoding via libtheora [no]
178 --enable-libvorbis enable Vorbis encoding via libvorbis,
179 native implementation exists [no]
180 --enable-libx264 enable H.264 encoding via x264 [no]
181 --enable-libxvid enable Xvid encoding via xvidcore,
182 native MPEG-4/Xvid encoder exists [no]
183 --enable-mlib enable Sun medialib [no]
184 --enable-zlib enable zlib [autodetect]
185
186 Advanced options (experts only):
187 --source-path=PATH path to source code [$source_path]
188 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
189 --enable-cross-compile assume a cross-compiler is used
190 --sysroot=PATH root of cross-build tree
191 --sysinclude=PATH location of cross-build system headers
192 --target-os=OS compiler targets OS [$target_os]
193 --target-exec=CMD command to run executables on target
194 --target-path=DIR path to view of build directory on target
195 --nm=NM use nm tool
196 --as=AS use assembler AS [$as_default]
197 --cc=CC use C compiler CC [$cc_default]
198 --ld=LD use linker LD
199 --host-cc=HOSTCC use host C compiler HOSTCC
200 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
201 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
202 --host-libs=HLIBS use libs HLIBS when linking for host
203 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
204 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
205 --extra-libs=ELIBS add ELIBS [$ELIBS]
206 --extra-version=STRING version string suffix []
207 --build-suffix=SUFFIX library name suffix []
208 --arch=ARCH select architecture [$arch]
209 --cpu=CPU select the minimum required CPU (affects
210 instruction selection, may crash on older CPUs)
211 --enable-powerpc-perf enable performance report on PPC
212 (requires enabling PMC)
213 --disable-asm disable all assembler optimizations
214 --disable-altivec disable AltiVec optimizations
215 --disable-amd3dnow disable 3DNow! optimizations
216 --disable-amd3dnowext disable 3DNow! extended optimizations
217 --disable-mmx disable MMX optimizations
218 --disable-mmx2 disable MMX2 optimizations
219 --disable-sse disable SSE optimizations
220 --disable-ssse3 disable SSSE3 optimizations
221 --disable-armv5te disable armv5te optimizations
222 --disable-armv6 disable armv6 optimizations
223 --disable-armv6t2 disable armv6t2 optimizations
224 --disable-armvfp disable ARM VFP optimizations
225 --disable-iwmmxt disable iwmmxt optimizations
226 --disable-mmi disable MMI optimizations
227 --disable-neon disable neon optimizations
228 --disable-vis disable VIS optimizations
229 --disable-yasm disable use of yasm assembler
230 --enable-pic build position-independent code
231
232 Developer options (useful when working on FFmpeg itself):
233 --disable-debug disable debugging symbols
234 --enable-debug=LEVEL set the debug level [$debuglevel]
235 --enable-gprof enable profiling with gprof [$gprof]
236 --disable-optimizations disable compiler optimizations
237 --enable-extra-warnings enable more compiler warnings
238 --disable-stripping disable stripping of executables and shared libraries
239
240 NOTE: Object files are built at the place where configure is launched.
241 EOF
242 exit 0
243 }
244
245 log(){
246 echo "$@" >> $logfile
247 }
248
249 log_file(){
250 log BEGIN $1
251 pr -n -t $1 >> $logfile
252 log END $1
253 }
254
255 echolog(){
256 log "$@"
257 echo "$@"
258 }
259
260 die(){
261 echolog "$@"
262 cat <<EOF
263
264 If you think configure made a mistake, make sure you are using the latest
265 version from SVN. If the latest version fails, report the problem to the
266 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
267 EOF
268 if disabled logging; then
269 cat <<EOF
270 Rerun configure with logging enabled (do not use --disable-logging), and
271 include the log this produces with your report.
272 EOF
273 else
274 cat <<EOF
275 Include the log file "$logfile" produced by configure as this will help
276 solving the problem.
277 EOF
278 fi
279 exit 1
280 }
281
282 # Avoid locale weirdness, besides we really just want to translate ASCII.
283 toupper(){
284 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
285 }
286
287 tolower(){
288 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
289 }
290
291 c_escape(){
292 echo "$*" | sed 's/["\\]/\\\0/g'
293 }
294
295 sh_quote(){
296 v=$(echo "$1" | sed "s/'/'\\\\''/g")
297 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
298 echo "$v"
299 }
300
301 filter(){
302 pat=$1
303 shift
304 for v; do
305 eval "case $v in $pat) echo $v ;; esac"
306 done
307 }
308
309 set_all(){
310 value=$1
311 shift
312 for var in $*; do
313 eval $var=$value
314 done
315 }
316
317 set_weak(){
318 value=$1
319 shift
320 for var; do
321 eval : \${$var:=$value}
322 done
323 }
324
325 pushvar(){
326 for var in $*; do
327 eval level=\${${var}_level:=0}
328 eval ${var}_${level}="\$$var"
329 eval ${var}_level=$(($level+1))
330 done
331 }
332
333 popvar(){
334 for var in $*; do
335 eval level=\${${var}_level:-0}
336 test $level = 0 && continue
337 eval level=$(($level-1))
338 eval $var="\${${var}_${level}}"
339 eval ${var}_level=$level
340 eval unset ${var}_${level}
341 done
342 }
343
344 enable(){
345 set_all yes $*
346 }
347
348 disable(){
349 set_all no $*
350 }
351
352 enable_weak(){
353 set_weak yes $*
354 }
355
356 disable_weak(){
357 set_weak no $*
358 }
359
360 enable_safe(){
361 for var; do
362 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
363 done
364 }
365
366 disable_safe(){
367 for var; do
368 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369 done
370 }
371
372 do_enable_deep(){
373 for var; do
374 enabled $var && continue
375 eval sel="\$${var}_select"
376 eval sgs="\$${var}_suggest"
377 pushvar var sgs
378 enable_deep $sel
379 popvar sgs
380 enable_deep_weak $sgs
381 popvar var
382 done
383 }
384
385 enable_deep(){
386 do_enable_deep $*
387 enable $*
388 }
389
390 enable_deep_weak(){
391 do_enable_deep $*
392 enable_weak $*
393 }
394
395 enabled(){
396 test "${1#!}" = "$1" && op== || op=!=
397 eval test "x\$${1#!}" $op "xyes"
398 }
399
400 disabled(){
401 test "${1#!}" = "$1" && op== || op=!=
402 eval test "x\$${1#!}" $op "xno"
403 }
404
405 enabled_all(){
406 for opt; do
407 enabled $opt || return 1
408 done
409 }
410
411 disabled_all(){
412 for opt; do
413 disabled $opt || return 1
414 done
415 }
416
417 enabled_any(){
418 for opt; do
419 enabled $opt && return 0
420 done
421 }
422
423 disabled_any(){
424 for opt; do
425 disabled $opt && return 0
426 done
427 return 1
428 }
429
430 set_default(){
431 for opt; do
432 eval : \${$opt:=\$${opt}_default}
433 done
434 }
435
436 is_in(){
437 value=$1
438 shift
439 for var in $*; do
440 [ $var = $value ] && return 0
441 done
442 return 1
443 }
444
445 check_deps(){
446 for cfg; do
447 cfg="${cfg#!}"
448 enabled ${cfg}_checking && die "Circular dependency for $cfg."
449 disabled ${cfg}_checking && continue
450 enable ${cfg}_checking
451
452 eval dep_all="\$${cfg}_deps"
453 eval dep_any="\$${cfg}_deps_any"
454 eval dep_sel="\$${cfg}_select"
455 eval dep_sgs="\$${cfg}_suggest"
456 eval dep_ifa="\$${cfg}_if"
457 eval dep_ifn="\$${cfg}_if_any"
458
459 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
460 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
461 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
462
463 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
464 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
465 enabled_all $dep_all || disable $cfg
466 enabled_any $dep_any || disable $cfg
467 disabled_any $dep_sel && disable $cfg
468
469 if enabled $cfg; then
470 eval dep_extralibs="\$${cfg}_extralibs"
471 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
472 enable_deep $dep_sel
473 enable_deep_weak $dep_sgs
474 fi
475
476 disable ${cfg}_checking
477 done
478 }
479
480 print_config(){
481 pfx=$1
482 header=$2
483 makefile=$3
484 shift 3
485 for cfg; do
486 ucname="$(toupper $cfg)"
487 if enabled $cfg; then
488 echo "#define ${pfx}${ucname} 1" >> $header
489 echo "${pfx}${ucname}=yes" >> $makefile
490 else
491 echo "#define ${pfx}${ucname} 0" >> $header
492 echo "!${pfx}${ucname}=yes" >> $makefile
493 fi
494 done
495 }
496
497 flags_saved(){
498 (: ${SAVE_CFLAGS?}) 2> /dev/null
499 }
500
501 save_flags(){
502 flags_saved && return
503 SAVE_CFLAGS="$CFLAGS"
504 SAVE_LDFLAGS="$LDFLAGS"
505 SAVE_extralibs="$extralibs"
506 }
507
508 restore_flags(){
509 flags_saved || return
510 CFLAGS="$SAVE_CFLAGS"
511 LDFLAGS="$SAVE_LDFLAGS"
512 extralibs="$SAVE_extralibs"
513 unset SAVE_CFLAGS
514 unset SAVE_LDFLAGS
515 unset SAVE_extralibs
516 }
517
518 temp_cflags(){
519 save_flags
520 CFLAGS="$CFLAGS $*"
521 }
522
523 temp_ldflags(){
524 save_flags
525 LDFLAGS="$LDFLAGS $*"
526 }
527
528 temp_extralibs(){
529 save_flags
530 extralibs="$extralibs $*"
531 }
532
533 append(){
534 var=$1
535 shift
536 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
537 eval "$var=\"\$$var $*\""
538 }
539
540 add_cppflags(){
541 append CPPFLAGS $($filter_cppflags "$@")
542 }
543
544 add_cflags(){
545 append CFLAGS $($filter_cflags "$@")
546 }
547
548 add_asflags(){
549 append ASFLAGS $($filter_asflags "$@")
550 }
551
552 add_ldflags(){
553 append LDFLAGS "$@"
554 }
555
556 add_extralibs(){
557 append extralibs "$@"
558 }
559
560 check_cmd(){
561 log "$@"
562 "$@" >> $logfile 2>&1
563 }
564
565 check_cc(){
566 log check_cc "$@"
567 cat > $TMPC
568 log_file $TMPC
569 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
570 }
571
572 check_cpp(){
573 log check_cpp "$@"
574 cat > $TMPC
575 log_file $TMPC
576 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
577 }
578
579 check_as(){
580 log check_as "$@"
581 cat > $TMPC
582 log_file $TMPC
583 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
584 }
585
586 check_asm(){
587 log check_asm "$@"
588 name="$1"
589 code="$2"
590 shift 2
591 disable $name
592 check_as "$@" <<EOF && enable $name
593 void foo(void){ __asm__ volatile($code); }
594 EOF
595 }
596
597 check_yasm(){
598 log check_yasm "$@"
599 echo "$1" > $TMPS
600 log_file $TMPS
601 shift 1
602 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
603 }
604
605 check_ld(){
606 log check_ld "$@"
607 flags=''
608 libs=''
609 for f; do
610 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
611 done
612 check_cc $($filter_cflags $flags) || return
613 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
614 }
615
616 check_cppflags(){
617 log check_cppflags "$@"
618 set -- $($filter_cppflags "$@")
619 check_cc "$@" <<EOF && append CPPFLAGS "$@"
620 int x;
621 EOF
622 }
623
624 check_cflags(){
625 log check_cflags "$@"
626 set -- $($filter_cflags "$@")
627 check_cc "$@" <<EOF && append CFLAGS "$@"
628 int x;
629 EOF
630 }
631
632 test_ldflags(){
633 log test_ldflags "$@"
634 check_ld "$@" <<EOF
635 int main(void){ return 0; }
636 EOF
637 }
638
639 check_ldflags(){
640 log check_ldflags "$@"
641 test_ldflags "$@" && add_ldflags "$@"
642 }
643
644 check_header(){
645 log check_header "$@"
646 header=$1
647 shift
648 disable_safe $header
649 check_cpp "$@" <<EOF && enable_safe $header
650 #include <$header>
651 int x;
652 EOF
653 }
654
655 check_func(){
656 log check_func "$@"
657 func=$1
658 shift
659 disable $func
660 check_ld "$@" <<EOF && enable $func
661 extern int $func();
662 int main(void){ $func(); }
663 EOF
664 }
665
666 check_func_headers(){
667 log check_func_headers "$@"
668 headers=$1
669 func=$2
670 shift 2
671 disable $func
672 incs=""
673 for hdr in $headers; do
674 incs="$incs
675 #include <$hdr>"
676 done
677 check_ld "$@" <<EOF && enable $func && enable_safe $headers
678 $incs
679 int main(int argc, char **argv){
680 return (long) $func;
681 }
682 EOF
683 }
684
685 check_cpp_condition(){
686 log check_cpp_condition "$@"
687 header=$1
688 condition=$2
689 shift 2
690 check_cpp $($filter_cppflags "$@") <<EOF
691 #include <$header>
692 #if !($condition)
693 #error "unsatisfied condition: $condition"
694 #endif
695 EOF
696 }
697
698 check_lib(){
699 log check_lib "$@"
700 header="$1"
701 func="$2"
702 shift 2
703 temp_extralibs "$@"
704 check_header $header && check_func $func && add_extralibs "$@"
705 err=$?
706 restore_flags
707 return $err
708 }
709
710 check_lib2(){
711 log check_lib2 "$@"
712 headers="$1"
713 func="$2"
714 shift 2
715 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
716 }
717
718 check_exec(){
719 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
720 }
721
722 check_exec_crash(){
723 code=$(cat)
724
725 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
726 # are safe but may not be available everywhere. Thus we use
727 # raise(SIGTERM) instead. The check is run in a subshell so we
728 # can redirect the "Terminated" message from the shell. SIGBUS
729 # is not defined by standard C so it is used conditionally.
730
731 (check_exec "$@") >> $logfile 2>&1 <<EOF
732 #include <signal.h>
733 static void sighandler(int sig){
734 raise(SIGTERM);
735 }
736 int main(void){
737 signal(SIGILL, sighandler);
738 signal(SIGFPE, sighandler);
739 signal(SIGSEGV, sighandler);
740 #ifdef SIGBUS
741 signal(SIGBUS, sighandler);
742 #endif
743 { $code }
744 }
745 EOF
746 }
747
748 check_type(){
749 log check_type "$@"
750 headers=$1
751 type=$2
752 shift 2
753 disable_safe "$type"
754 incs=""
755 for hdr in $headers; do
756 incs="$incs
757 #include <$hdr>"
758 done
759 check_cc "$@" <<EOF && enable_safe "$type"
760 $incs
761 $type v;
762 EOF
763 }
764
765 check_struct(){
766 log check_type "$@"
767 headers=$1
768 struct=$2
769 member=$3
770 shift 3
771 disable_safe "${struct}_${member}"
772 incs=""
773 for hdr in $headers; do
774 incs="$incs
775 #include <$hdr>"
776 done
777 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
778 $incs
779 const void *p = &(($struct *)0)->$member;
780 EOF
781 }
782
783 require(){
784 name="$1"
785 header="$2"
786 func="$3"
787 shift 3
788 check_lib $header $func "$@" || die "ERROR: $name not found"
789 }
790
791 require2(){
792 name="$1"
793 headers="$2"
794 func="$3"
795 shift 3
796 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
797 }
798
799 check_foo_config(){
800 cfg=$1
801 pkg=$2
802 header=$3
803 func=$4
804 shift 4
805 disable $cfg
806 check_cmd ${pkg}-config --version
807 err=$?
808 if test "$err" = 0; then
809 temp_cflags $(${pkg}-config --cflags)
810 temp_extralibs $(${pkg}-config --libs)
811 check_lib "$@" $header $func && enable $cfg
812 fi
813 return $err
814 }
815
816 check_host_cc(){
817 log check_host_cc "$@"
818 cat > $TMPC
819 log_file $TMPC
820 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
821 }
822
823 check_host_cflags(){
824 log check_host_cflags "$@"
825 check_host_cc "$@" <<EOF && append host_cflags "$@"
826 int x;
827 EOF
828 }
829
830 apply(){
831 file=$1
832 shift
833 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
834 }
835
836 cp_if_changed(){
837 cmp -s "$1" "$2" &&
838 echo "$2 is unchanged" ||
839 cp -f "$1" "$2"
840 }
841
842 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
843 # system-dependent things.
844
845 COMPONENT_LIST="
846 bsfs
847 decoders
848 demuxers
849 encoders
850 filters
851 hwaccels
852 indevs
853 muxers
854 outdevs
855 parsers
856 protocols
857 "
858
859 CONFIG_LIST="
860 $COMPONENT_LIST
861 aandct
862 avfilter
863 avfilter_lavf
864 avisynth
865 beos_netserver
866 bzlib
867 dct
868 doc
869 dxva2
870 fastdiv
871 ffmpeg
872 ffplay
873 ffserver
874 fft
875 golomb
876 gpl
877 gprof
878 gray
879 hardcoded_tables
880 ipv6
881 libdc1394
882 libdirac
883 libfaac
884 libfaad
885 libfaadbin
886 libgsm
887 libmp3lame
888 libnut
889 libopencore_amrnb
890 libopencore_amrwb
891 libopenjpeg
892 libschroedinger
893 libspeex
894 libtheora
895 libvorbis
896 libx264
897 libxvid
898 lpc
899 mdct
900 memalign_hack
901 mlib
902 mpegaudio_hp
903 network
904 nonfree
905 pic
906 postproc
907 powerpc_perf
908 rdft
909 runtime_cpudetect
910 shared
911 small
912 static
913 swscale_alpha
914 vaapi
915 vdpau
916 version3
917 x11grab
918 zlib
919 "
920
921 THREADS_LIST='
922 beosthreads
923 os2threads
924 pthreads
925 w32threads
926 '
927
928 ARCH_LIST='
929 alpha
930 arm
931 avr32
932 avr32_ap
933 avr32_uc
934 bfin
935 ia64
936 m68k
937 mips
938 mips64
939 parisc
940 ppc
941 ppc64
942 s390
943 sh4
944 sparc
945 sparc64
946 x86
947 x86_32
948 x86_64
949 '
950
951 ARCH_EXT_LIST='
952 altivec
953 amd3dnow
954 amd3dnowext
955 armv5te
956 armv6
957 armv6t2
958 armvfp
959 iwmmxt
960 mmi
961 mmx
962 mmx2
963 neon
964 ppc4xx
965 sse
966 ssse3
967 vis
968 '
969
970 HAVE_LIST_PUB='
971 bigendian
972 '
973
974 HAVE_LIST="
975 $ARCH_EXT_LIST
976 $HAVE_LIST_PUB
977 $THREADS_LIST
978 alsa_asoundlib_h
979 altivec_h
980 arpa_inet_h
981 attribute_packed
982 bswap
983 closesocket
984 cmov
985 conio_h
986 dcbzl
987 dev_bktr_ioctl_bt848_h
988 dev_bktr_ioctl_meteor_h
989 dev_ic_bt8xx_h
990 dev_video_meteor_ioctl_meteor_h
991 dev_video_bktr_ioctl_bt848_h
992 dlfcn_h
993 dlopen
994 dos_paths
995 ebp_available
996 ebx_available
997 exp2
998 exp2f
999 fast_64bit
1000 fast_clz
1001 fast_cmov
1002 fast_unaligned
1003 fork
1004 getaddrinfo
1005 gethrtime
1006 GetProcessTimes
1007 getrusage
1008 inet_aton
1009 inline_asm
1010 isatty
1011 ldbrx
1012 libdc1394_1
1013 libdc1394_2
1014 llrint
1015 log2
1016 log2f
1017 loongson
1018 lrint
1019 lrintf
1020 lzo1x_999_compress
1021 machine_ioctl_bt848_h
1022 machine_ioctl_meteor_h
1023 malloc_h
1024 memalign
1025 mkstemp
1026 pld
1027 posix_memalign
1028 round
1029 roundf
1030 sdl
1031 sdl_video_size
1032 setmode
1033 socklen_t
1034 soundcard_h
1035 poll_h
1036 struct_addrinfo
1037 struct_sockaddr_sa_len
1038 struct_sockaddr_storage
1039 sys_mman_h
1040 sys_resource_h
1041 sys_select_h
1042 sys_soundcard_h
1043 sys_videoio_h
1044 ten_operands
1045 termios_h
1046 threads
1047 truncf
1048 vfp_args
1049 VirtualAlloc
1050 winsock2_h
1051 xform_asm
1052 yasm
1053 "
1054
1055 # options emitted with CONFIG_ prefix but not available on command line
1056 CONFIG_EXTRA="
1057 gplv3
1058 lgplv3
1059 "
1060
1061 CMDLINE_SELECT="
1062 $ARCH_EXT_LIST
1063 $CONFIG_LIST
1064 $THREADS_LIST
1065 asm
1066 cross_compile
1067 debug
1068 extra_warnings
1069 logging
1070 optimizations
1071 stripping
1072 yasm
1073 "
1074
1075 PATHS_LIST='
1076 bindir
1077 datadir
1078 incdir
1079 libdir
1080 mandir
1081 prefix
1082 shlibdir
1083 '
1084
1085 CMDLINE_SET="
1086 $PATHS_LIST
1087 arch
1088 as
1089 build_suffix
1090 cc
1091 cpu
1092 cross_prefix
1093 dep_cc
1094 extra_version
1095 host_cc
1096 host_cflags
1097 host_ldflags
1098 host_libs
1099 host_os
1100 ld
1101 logfile
1102 nm
1103 source_path
1104 sysinclude
1105 sysroot
1106 target_exec
1107 target_os
1108 target_path
1109 "
1110
1111 CMDLINE_APPEND="
1112 extra_cflags
1113 "
1114
1115 # code dependency declarations
1116
1117 # architecture extensions
1118
1119 armv5te_deps="arm"
1120 armv6_deps="arm"
1121 armv6t2_deps="arm"
1122 armvfp_deps="arm"
1123 iwmmxt_deps="arm"
1124 neon_deps="arm"
1125
1126 mmi_deps="mips"
1127
1128 altivec_deps="ppc"
1129 ppc4xx_deps="ppc"
1130
1131 vis_deps="sparc"
1132
1133 x86_64_select="cmov fast_cmov"
1134 amd3dnow_deps="mmx"
1135 amd3dnowext_deps="amd3dnow"
1136 mmx_deps="x86"
1137 mmx2_deps="mmx"
1138 sse_deps="mmx"
1139 ssse3_deps="sse"
1140
1141 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143 fast_unaligned_if_any="armv6 ppc x86"
1144
1145 need_memalign="altivec neon sse"
1146 inline_asm_deps="!tms470"
1147
1148 # decoders / encoders / hardware accelerators
1149 aac_decoder_select="fft mdct aac_parser"
1150 aac_encoder_select="fft mdct"
1151 ac3_decoder_select="fft mdct ac3_parser"
1152 alac_encoder_select="lpc"
1153 atrac3_decoder_select="fft mdct"
1154 cavs_decoder_select="golomb"
1155 cook_decoder_select="fft mdct"
1156 cscd_decoder_suggest="zlib"
1157 dca_decoder_select="fft mdct"
1158 dnxhd_encoder_select="aandct"
1159 dxa_decoder_select="zlib"
1160 eac3_decoder_select="ac3_decoder"
1161 eamad_decoder_select="aandct"
1162 eatgq_decoder_select="aandct"
1163 eatqi_decoder_select="aandct"
1164 ffv1_decoder_select="golomb"
1165 flac_decoder_select="golomb"
1166 flac_encoder_select="golomb lpc"
1167 flashsv_decoder_select="zlib"
1168 flashsv_encoder_select="zlib"
1169 flv_decoder_select="h263_decoder"
1170 flv_encoder_select="h263_encoder"
1171 h261_encoder_select="aandct"
1172 h263_decoder_select="h263_parser"
1173 h263_encoder_select="aandct"
1174 h263_vaapi_hwaccel_deps="va_va_h"
1175 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1176 h263i_decoder_select="h263_decoder"
1177 h263p_encoder_select="h263_encoder"
1178 h264_decoder_select="golomb"
1179 h264_dxva2_hwaccel_deps="dxva2api_h"
1180 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1181 h264_vaapi_hwaccel_deps="va_va_h"
1182 h264_vaapi_hwaccel_select="vaapi"
1183 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1184 h264_vdpau_decoder_select="vdpau h264_decoder"
1185 imc_decoder_select="fft mdct"
1186 jpegls_decoder_select="golomb"
1187 jpegls_encoder_select="golomb"
1188 ljpeg_encoder_select="aandct"
1189 loco_decoder_select="golomb"
1190 mjpeg_encoder_select="aandct"
1191 mlp_decoder_select="mlp_parser"
1192 mpeg1video_encoder_select="aandct"
1193 mpeg2video_encoder_select="aandct"
1194 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1195 mpeg4_encoder_select="h263_encoder"
1196 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1197 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1198 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1199 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1200 mpeg2_vaapi_hwaccel_deps="va_va_h"
1201 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1202 mpeg4_vaapi_hwaccel_deps="va_va_h"
1203 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1204 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1205 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1206 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1207 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1208 msmpeg4v1_decoder_select="h263_decoder"
1209 msmpeg4v1_encoder_select="h263_encoder"
1210 msmpeg4v2_decoder_select="h263_decoder"
1211 msmpeg4v2_encoder_select="h263_encoder"
1212 msmpeg4v3_decoder_select="h263_decoder"
1213 msmpeg4v3_encoder_select="h263_encoder"
1214 nellymoser_decoder_select="fft mdct"
1215 nellymoser_encoder_select="fft mdct"
1216 png_decoder_select="zlib"
1217 png_encoder_select="zlib"
1218 qdm2_decoder_select="fft mdct rdft"
1219 rv10_decoder_select="h263_decoder"
1220 rv10_encoder_select="h263_encoder"
1221 rv20_decoder_select="h263_decoder"
1222 rv20_encoder_select="h263_encoder"
1223 rv30_decoder_select="golomb"
1224 rv40_decoder_select="golomb"
1225 shorten_decoder_select="golomb"
1226 sonic_decoder_select="golomb"
1227 sonic_encoder_select="golomb"
1228 sonic_ls_encoder_select="golomb"
1229 svq3_decoder_select="golomb"
1230 svq3_decoder_suggest="zlib"
1231 theora_decoder_select="vp3_decoder"
1232 tiff_decoder_suggest="zlib"
1233 tiff_encoder_suggest="zlib"
1234 truehd_decoder_select="mlp_decoder"
1235 tscc_decoder_select="zlib"
1236 vc1_decoder_select="h263_decoder"
1237 vc1_vaapi_hwaccel_deps="va_va_h"
1238 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1239 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1241 vorbis_decoder_select="fft mdct"
1242 vorbis_encoder_select="fft mdct"
1243 vp6a_decoder_select="vp6_decoder"
1244 vp6f_decoder_select="vp6_decoder"
1245 wmav1_decoder_select="fft mdct"
1246 wmav1_encoder_select="fft mdct"
1247 wmav2_decoder_select="fft mdct"
1248 wmav2_encoder_select="fft mdct"
1249 wmv1_decoder_select="h263_decoder"
1250 wmv1_encoder_select="h263_encoder"
1251 wmv2_decoder_select="h263_decoder"
1252 wmv2_encoder_select="h263_encoder"
1253 wmv3_decoder_select="vc1_decoder"
1254 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1255 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1256 zlib_decoder_select="zlib"
1257 zlib_encoder_select="zlib"
1258 zmbv_decoder_select="zlib"
1259 zmbv_encoder_select="zlib"
1260
1261 # parsers
1262 h264_parser_select="golomb"
1263
1264 # bitstream_filters
1265 aac_adtstoasc_bsf_select="aac_parser"
1266
1267 # external libraries
1268 libdirac_decoder_deps="libdirac !libschroedinger"
1269 libdirac_encoder_deps="libdirac"
1270 libfaac_encoder_deps="libfaac"
1271 libfaad_decoder_deps="libfaad"
1272 libfaadbin_decoder_extralibs='$ldl'
1273 libgsm_decoder_deps="libgsm"
1274 libgsm_encoder_deps="libgsm"
1275 libgsm_ms_decoder_deps="libgsm"
1276 libgsm_ms_encoder_deps="libgsm"
1277 libmp3lame_encoder_deps="libmp3lame"
1278 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1279 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1280 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1281 libopenjpeg_decoder_deps="libopenjpeg"
1282 libschroedinger_decoder_deps="libschroedinger"
1283 libschroedinger_encoder_deps="libschroedinger"
1284 libspeex_decoder_deps="libspeex"
1285 libtheora_encoder_deps="libtheora"
1286 libvorbis_encoder_deps="libvorbis"
1287 libx264_encoder_deps="libx264"
1288 libxvid_encoder_deps="libxvid"
1289
1290 # demuxers / muxers
1291 ac3_demuxer_deps="ac3_parser"
1292 asf_stream_muxer_select="asf_muxer"
1293 avisynth_demuxer_deps="avisynth"
1294 dirac_demuxer_deps="dirac_parser"
1295 eac3_demuxer_select="ac3_parser"
1296 ipod_muxer_select="mov_muxer"
1297 libnut_demuxer_deps="libnut"
1298 libnut_muxer_deps="libnut"
1299 matroska_audio_muxer_select="matroska_muxer"
1300 matroska_demuxer_suggest="zlib bzlib"
1301 mov_demuxer_suggest="zlib"
1302 mp3_demuxer_deps="mpegaudio_parser"
1303 mp4_muxer_select="mov_muxer"
1304 mpegtsraw_demuxer_select="mpegts_demuxer"
1305 mxf_d10_muxer_select="mxf_muxer"
1306 ogg_demuxer_select="golomb"
1307 psp_muxer_select="mov_muxer"
1308 rtsp_demuxer_deps="sdp_demuxer"
1309 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1310 spdif_muxer_select="aac_parser"
1311 tg2_muxer_select="mov_muxer"
1312 tgp_muxer_select="mov_muxer"
1313 w64_demuxer_deps="wav_demuxer"
1314
1315 # indevs / outdevs
1316 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1317 alsa_indev_extralibs="-lasound"
1318 alsa_outdev_deps="alsa_asoundlib_h"
1319 alsa_outdev_extralibs="-lasound"
1320 audio_beos_indev_deps="audio_beos"
1321 audio_beos_indev_extralibs="-lmedia -lbe"
1322 audio_beos_outdev_deps="audio_beos"
1323 audio_beos_outdev_extralibs="-lmedia -lbe"
1324 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1325 dv1394_indev_deps="dv1394 dv_demuxer"
1326 jack_indev_deps="jack_jack_h"
1327 jack_indev_extralibs="-ljack"
1328 libdc1394_indev_deps="libdc1394"
1329 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1330 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1331 v4l_indev_deps="linux_videodev_h"
1332 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1333 vfwcap_indev_deps="capCreateCaptureWindow"
1334 vfwcap_indev_extralibs="-lvfw32"
1335 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1336 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1337
1338 # protocols
1339 gopher_protocol_deps="network"
1340 http_protocol_deps="network"
1341 rtmp_protocol_deps="tcp_protocol"
1342 rtp_protocol_deps="udp_protocol"
1343 tcp_protocol_deps="network"
1344 udp_protocol_deps="network"
1345
1346 # filters
1347 movie_filter_deps="avfilter_lavf"
1348
1349 # programs
1350 ffplay_deps="sdl"
1351 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1352 ffserver_extralibs='$ldl'
1353
1354 doc_deps="texi2html"
1355
1356 # default parameters
1357
1358 logfile="config.err"
1359
1360 # installation paths
1361 prefix_default="/usr/local"
1362 bindir_default='${prefix}/bin'
1363 datadir_default='${prefix}/share/ffmpeg'
1364 incdir_default='${prefix}/include'
1365 libdir_default='${prefix}/lib'
1366 mandir_default='${prefix}/share/man'
1367 shlibdir_default="$libdir_default"
1368
1369 # toolchain
1370 ar="ar"
1371 cc_default="gcc"
1372 cc_version=\"unknown\"
1373 host_cc_default="gcc"
1374 ln_s="ln -sf"
1375 nm_default="nm"
1376 objformat="elf"
1377 ranlib="ranlib"
1378 strip="strip"
1379 yasmexe="yasm"
1380
1381 nm_opts='-g'
1382
1383 # machine
1384 arch=$(uname -m)
1385 cpu="generic"
1386
1387 # OS
1388 target_os=$(tolower $(uname -s))
1389 host_os=$target_os
1390
1391 # configurable options
1392 enable asm
1393 enable debug
1394 enable doc
1395 enable fastdiv
1396 enable ffmpeg
1397 enable ffplay
1398 enable ffserver
1399 enable ipv6
1400 enable mpegaudio_hp
1401 enable network
1402 enable optimizations
1403 enable protocols
1404 enable static
1405 enable stripping
1406 enable swscale_alpha
1407
1408 # build settings
1409 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1410 FFSERVERLDFLAGS=-Wl,-E
1411 LIBPREF="lib"
1412 LIBSUF=".a"
1413 FULLNAME='$(NAME)$(BUILDSUF)'
1414 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1415 SLIBPREF="lib"
1416 SLIBSUF=".so"
1417 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1418 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1419 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1420 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1421
1422 CC_O='-o $@'
1423
1424 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1425 host_libs='-lm'
1426
1427 target_path='.'
1428
1429 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1430 # full relative path for objects in subdirectories for non-recursive Make.
1431 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1432 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1433
1434 # find source path
1435 source_path="$(dirname "$0")"
1436 enable source_path_used
1437 if test -f configure; then
1438 source_path="$(pwd)"
1439 disable source_path_used
1440 else
1441 source_path="$(cd "$source_path"; pwd)"
1442 echo "$source_path" | grep -q '[[:blank:]]' &&
1443 die "Out of tree builds are impossible with whitespace in source path."
1444 test -e "$source_path/config.h" &&
1445 die "Out of tree builds are impossible with config.h in source dir."
1446 fi
1447
1448 for v in "$@"; do
1449 r=${v#*=}
1450 l=${v%"$r"}
1451 r=$(sh_quote "$r")
1452 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1453 done
1454
1455 find_things(){
1456 thing=$1
1457 pattern=$2
1458 file=$source_path/$3
1459 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1460 }
1461
1462 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1463 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1464 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1465 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1466 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1467 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1468 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1469 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1470 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1471 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1472 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1473
1474 enable $ARCH_EXT_LIST \
1475 $DECODER_LIST \
1476 $ENCODER_LIST \
1477 $HWACCEL_LIST \
1478 $PARSER_LIST \
1479 $BSF_LIST \
1480 $DEMUXER_LIST \
1481 $MUXER_LIST \
1482 $FILTER_LIST \
1483 $PROTOCOL_LIST \
1484 $INDEV_LIST \
1485 $OUTDEV_LIST \
1486
1487 die_unknown(){
1488 echo "Unknown option \"$1\"."
1489 echo "See $0 --help for available options."
1490 exit 1
1491 }
1492
1493 show_list() {
1494 suffix=_$1
1495 shift
1496 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1497 exit 0
1498 }
1499
1500 for opt do
1501 optval="${opt#*=}"
1502 case "$opt" in
1503 --extra-ldflags=*) add_ldflags $optval
1504 ;;
1505 --extra-libs=*) add_extralibs $optval
1506 ;;
1507 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1508 ;;
1509 --enable-debug=*) debuglevel="$optval"
1510 ;;
1511 --enable-*=*|--disable-*=*)
1512 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1513 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1514 eval list=\$$(toupper $thing)_LIST
1515 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1516 $action $(filter "$name" $list)
1517 ;;
1518 --enable-?*|--disable-?*)
1519 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1520 if is_in $option $COMPONENT_LIST; then
1521 test $action = disable && action=unset
1522 eval $action \$$(toupper ${option%s})_LIST
1523 elif is_in $option $CMDLINE_SELECT; then
1524 $action $option
1525 else
1526 die_unknown $opt
1527 fi
1528 ;;
1529 --list-*)
1530 NAME="${opt#--list-}"
1531 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1532 NAME=${NAME%s}
1533 eval show_list $NAME \$$(toupper $NAME)_LIST
1534 ;;
1535 --help|-h) show_help
1536 ;;
1537 *)
1538 optname="${opt%%=*}"
1539 optname="${optname#--}"
1540 optname=$(echo "$optname" | sed 's/-/_/g')
1541 if is_in $optname $CMDLINE_SET; then
1542 eval $optname='$optval'
1543 elif is_in $optname $CMDLINE_APPEND; then
1544 append $optname "$optval"
1545 else
1546 die_unknown $opt
1547 fi
1548 ;;
1549 esac
1550 done
1551
1552 disabled logging && logfile=/dev/null
1553
1554 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1555 set >> $logfile
1556
1557 test -n "$cross_prefix" && enable cross_compile
1558
1559 ar="${cross_prefix}${ar}"
1560 cc_default="${cross_prefix}${cc_default}"
1561 nm_default="${cross_prefix}${nm_default}"
1562 ranlib="${cross_prefix}${ranlib}"
1563 strip="${cross_prefix}${strip}"
1564
1565 sysinclude_default="${sysroot}/usr/include"
1566
1567 set_default cc nm sysinclude
1568 enabled cross_compile || host_cc_default=$cc
1569 set_default host_cc
1570
1571 exesuf() {
1572 case $1 in
1573 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1574 esac
1575 }
1576
1577 EXESUF=$(exesuf $target_os)
1578 HOSTEXESUF=$(exesuf $host_os)
1579
1580 # set temporary file name
1581 : ${TMPDIR:=$TEMPDIR}
1582 : ${TMPDIR:=$TMP}
1583 : ${TMPDIR:=/tmp}
1584
1585 if ! check_cmd type mktemp; then
1586 # simple replacement for missing mktemp
1587 # NOT SAFE FOR GENERAL USE
1588 mktemp(){
1589 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1590 }
1591 fi
1592
1593 tmpfile(){
1594 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1595 (set -C; exec > $tmp) 2>/dev/null ||
1596 die "Unable to create temporary file in $TMPDIR."
1597 append TMPFILES $tmp
1598 eval $1=$tmp
1599 }
1600
1601 trap 'rm -f -- $TMPFILES' EXIT
1602 trap exit HUP INT TERM
1603
1604 tmpfile TMPC .c
1605 tmpfile TMPE $EXESUF
1606 tmpfile TMPH .h
1607 tmpfile TMPO .o
1608 tmpfile TMPS .S
1609 tmpfile TMPV .ver
1610 tmpfile TMPSH .sh
1611
1612 unset -f mktemp
1613
1614 # make sure we can execute files in $TMPDIR
1615 cat > $TMPSH 2>> $logfile <<EOF
1616 #! /bin/sh
1617 EOF
1618 chmod +x $TMPSH >> $logfile 2>&1
1619 if ! $TMPSH >> $logfile 2>&1; then
1620 cat <<EOF
1621 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1622 variable to another directory and make sure that it is not mounted noexec.
1623 EOF
1624 die "Sanity test failed."
1625 fi
1626
1627 filter_cflags=echo
1628 filter_cppflags=echo
1629 filter_asflags=echo
1630
1631 if $cc -v 2>&1 | grep -qi ^gcc; then
1632 cc_type=gcc
1633 cc_version=__VERSION__
1634 if ! $cc -dumpversion | grep -q '^2\.'; then
1635 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1636 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1637 fi
1638 elif $cc --version 2>/dev/null | grep -q Intel; then
1639 cc_type=icc
1640 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1641 CC_DEPFLAGS='-MMD'
1642 AS_DEPFLAGS='-MMD'
1643 elif $cc -v 2>&1 | grep -q xlc; then
1644 cc_type=xlc
1645 cc_version="AV_STRINGIFY(__IBMC__)"
1646 elif $cc -V 2>/dev/null | grep -q Compaq; then
1647 cc_type=ccc
1648 cc_version="AV_STRINGIFY(__DECC_VER)"
1649 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1650 debuglevel=3
1651 add_ldflags -Wl,-z,now # calls to libots crash without this
1652 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1653 test -d "$sysroot" || die "No valid sysroot specified."
1654 cc_type=armcc
1655 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1656 armcc_conf="$PWD/armcc.conf"
1657 $cc --arm_linux_configure \
1658 --arm_linux_config_file="$armcc_conf" \
1659 --configure_sysroot="$sysroot" \
1660 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1661 die "Error creating armcc configuration file."
1662 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1663 as_default="${cross_prefix}gcc"
1664 CC_DEPFLAGS='-MMD'
1665 AS_DEPFLAGS='-MMD'
1666 elif $cc -version 2>/dev/null | grep -q TMS470; then
1667 cc_type=tms470
1668 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1669 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1670 CC_O='-fr=$(@D)'
1671 as_default="${cross_prefix}gcc"
1672 ld_default="${cross_prefix}gcc"
1673 TMPO=$(basename $TMPC .c).o
1674 append TMPFILES $TMPO
1675 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1676 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1677 AS_DEPFLAGS='-MMD'
1678 filter_cflags=tms470_flags
1679 tms470_flags(){
1680 for flag; do
1681 case $flag in
1682 -march=*|-mcpu=*)
1683 case "${flag#*=}" in
1684 armv7-a|cortex-a*) echo -mv=7a8 ;;
1685 armv7-r|cortex-r*) echo -mv=7r4 ;;
1686 armv7-m|cortex-m*) echo -mv=7m3 ;;
1687 armv6*|arm11*) echo -mv=6 ;;
1688 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1689 echo -mv=5e ;;
1690 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1691 esac
1692 ;;
1693 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1694 -mfpu=vfp) echo --float_support=vfpv2 ;;
1695 -msoft-float) echo --float_support=vfplib ;;
1696 -Os) echo -O3 -mf=2 ;;
1697 -O[0-3]) echo $flag -mf=5 ;;
1698 -g) echo -g -mn ;;
1699 esac
1700 done
1701 }
1702 elif $cc -v 2>&1 | grep -q clang; then
1703 cc_type=clang
1704 cc_version=__VERSION__
1705 CC_DEPFLAGS='-MMD'
1706 AS_DEPFLAGS='-MMD'
1707 elif $cc -V 2>&1 | grep -q Sun; then
1708 cc_type=suncc
1709 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1710 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1711 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1712 filter_cflags=suncc_flags
1713 suncc_flags(){
1714 for flag; do
1715 case $flag in
1716 -march=*|-mcpu=*)
1717 case "${flag#*=}" in
1718 native) echo -xtarget=native ;;
1719 v9) echo -xarch=sparc ;;
1720 ultrasparc) echo -xarch=sparcvis ;;
1721 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1722 i586|pentium) echo -xchip=pentium ;;
1723 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1724 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1725 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1726 pentium4*) echo -xtarget=pentium4 ;;
1727 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1728 *-sse3) echo -xarch=sse3 ;;
1729 core2) echo -xarch=ssse3 -xchip=core2 ;;
1730 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1731 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1732 k8|opteron|athlon64|athlon-fx)
1733 echo -xarch=sse2a ;;
1734 athlon*) echo -xarch=pentium_proa ;;
1735 esac
1736 ;;
1737 -std=c99) echo -xc99 ;;
1738 -fomit-frame-pointer) echo -xregs=frameptr ;;
1739 -fPIC) echo -KPIC -xcode=pic32 ;;
1740 -Os) echo -O5 -xspace ;;
1741 -W*,*) echo $flag ;;
1742 -f*-*|-W*) ;;
1743 *) echo $flag ;;
1744 esac
1745 done
1746 }
1747 fi
1748
1749 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1750
1751 : ${as_default:=$cc}
1752 : ${dep_cc_default:=$cc}
1753 : ${ld_default:=$cc}
1754 set_default as dep_cc ld
1755
1756 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1757 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1758
1759 add_cflags $extra_cflags
1760 add_asflags $extra_cflags
1761
1762 if test -n "$sysroot"; then
1763 case "$cc_type" in
1764 gcc)
1765 add_cppflags --sysroot="$sysroot"
1766 add_ldflags --sysroot="$sysroot"
1767 ;;
1768 tms470)
1769 add_cppflags -I"$sysinclude"
1770 add_ldflags --sysroot="$sysroot"
1771 ;;
1772 clang)
1773 add_cppflags -isysroot="$sysroot"
1774 add_ldflags -isysroot="$sysroot"
1775 ;;
1776 esac
1777 fi
1778
1779 if test "$cpu" = host; then
1780 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1781
1782 case "$cc_type" in
1783 gcc)
1784 check_native(){
1785 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1786 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1787 }
1788 cpu=$(check_native -march || check_native -mcpu)
1789 ;;
1790 esac
1791
1792 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1793 fi
1794
1795 # Deal with common $arch aliases
1796 case "$arch" in
1797 arm*)
1798 arch="arm"
1799 ;;
1800 mips|mipsel|IP*)
1801 arch="mips"
1802 ;;
1803 mips64)
1804 arch="mips"
1805 subarch="mips64"
1806 ;;
1807 parisc|hppa)
1808 arch="parisc"
1809 ;;
1810 parisc64|hppa64)
1811 arch="parisc"
1812 subarch="parisc64"
1813 ;;
1814 "Power Macintosh"|ppc|powerpc)
1815 arch="ppc"
1816 ;;
1817 ppc64)
1818 arch="ppc"
1819 subarch="ppc64"
1820 ;;
1821 s390|s390x)
1822 arch="s390"
1823 ;;
1824 sh4|sh)
1825 arch="sh4"
1826 ;;
1827 sun4u|sparc64)
1828 arch="sparc"
1829 subarch="sparc64"
1830 ;;
1831 i[3-6]86|i86pc|BePC|x86_64|amd64)
1832 arch="x86"
1833 ;;
1834 esac
1835
1836 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1837 enable $arch
1838
1839 # Add processor-specific flags
1840 if test "$cpu" = generic; then
1841 : do nothing
1842 elif enabled ppc; then
1843
1844 case $cpu in
1845 601|ppc601|PowerPC601)
1846 cpuflags="-mcpu=601"
1847 ;;
1848 603*|ppc603*|PowerPC603*)
1849 cpuflags="-mcpu=603"
1850 ;;
1851 604*|ppc604*|PowerPC604*)
1852 cpuflags="-mcpu=604"
1853 ;;
1854 G3|g3|75*|ppc75*|PowerPC75*)
1855 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1856 ;;
1857 G4|g4|745*|ppc745*|PowerPC745*)
1858 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1859 ;;
1860 74*|ppc74*|PowerPC74*)
1861 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1862 ;;
1863 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1864 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1865 ;;
1866 Cell|CELL|cell)
1867 cpuflags="-mcpu=cell"
1868 enable ldbrx
1869 ;;
1870 esac
1871
1872 elif enabled x86; then
1873
1874 case $cpu in
1875 i[345]86|pentium)
1876 cpuflags="-march=$cpu"
1877 disable mmx
1878 ;;
1879 # targets that do NOT support conditional mov (cmov)
1880 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1881 cpuflags="-march=$cpu"
1882 disable cmov
1883 ;;
1884 # targets that do support conditional mov (cmov)
1885 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1886 cpuflags="-march=$cpu"
1887 enable cmov
1888 enable fast_cmov
1889 ;;
1890 # targets that do support conditional mov but on which it's slow
1891 pentium4|pentium4m|prescott|nocona)
1892 cpuflags="-march=$cpu"
1893 enable cmov
1894 disable fast_cmov
1895 ;;
1896 esac
1897
1898 elif enabled sparc; then
1899
1900 case $cpu in
1901 sparc64)
1902 cpuflags="-mcpu=v9"
1903 ;;
1904 esac
1905
1906 elif enabled arm; then
1907
1908 case $cpu in
1909 armv*)
1910 cpuflags="-march=$cpu"
1911 ;;
1912 *)
1913 cpuflags="-mcpu=$cpu"
1914 ;;
1915 esac
1916
1917 elif enabled alpha; then
1918
1919 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1920
1921 elif enabled bfin; then
1922
1923 cpuflags="-mcpu=$cpu"
1924
1925 elif enabled mips; then
1926
1927 cpuflags="-march=$cpu"
1928
1929 elif enabled avr32; then
1930
1931 case $cpu in
1932 ap7[02]0[0-2])
1933 subarch="avr32_ap"
1934 cpuflags="-mpart=$cpu"
1935 ;;
1936 ap)
1937 subarch="avr32_ap"
1938 cpuflags="-march=$cpu"
1939 ;;
1940 uc3[ab]*)
1941 subarch="avr32_uc"
1942 cpuflags="-mcpu=$cpu"
1943 ;;
1944 uc)
1945 subarch="avr32_uc"
1946 cpuflags="-march=$cpu"
1947 ;;
1948 esac
1949
1950 fi
1951
1952 add_cflags $cpuflags
1953 add_asflags $cpuflags
1954
1955 # compiler sanity check
1956 check_exec <<EOF
1957 int main(void){ return 0; }
1958 EOF
1959 if test "$?" != 0; then
1960 echo "$cc is unable to create an executable file."
1961 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1962 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1963 echo "Only do this if you know what cross compiling means."
1964 fi
1965 die "C compiler test failed."
1966 fi
1967
1968 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1969 check_cflags -std=c99
1970 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1971 #include <stdlib.h>
1972 EOF
1973 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1974 #include <stdlib.h>
1975 EOF
1976
1977 check_host_cflags -std=c99
1978
1979 case "$arch" in
1980 alpha|ia64|mips|parisc|sparc)
1981 spic=$shared
1982 ;;
1983 x86)
1984 subarch="x86_32"
1985 check_cc <<EOF && subarch="x86_64"
1986 int test[(int)sizeof(char*) - 7];
1987 EOF
1988 if test "$subarch" = "x86_64"; then
1989 spic=$shared
1990 fi
1991 ;;
1992 esac
1993
1994 enable $subarch
1995 enabled spic && enable pic
1996 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1997
1998 # OS specific
1999 case $target_os in
2000 beos|haiku|zeta)
2001 prefix_default="$HOME/config"
2002 # 3 gcc releases known for BeOS, each with ugly bugs
2003 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2004 case "$gcc_version" in
2005 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2006 disable mmx
2007 ;;
2008 *20010315*) echo "BeBits gcc"
2009 add_cflags -fno-expensive-optimizations
2010 ;;
2011 esac
2012 SHFLAGS=-nostart
2013 # enable BeOS things
2014 enable audio_beos
2015 # no need for libm, but the inet stuff
2016 # Check for BONE
2017 # XXX: actually should check for NOT net_server
2018 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2019 network_extralibs="-lbind -lsocket"
2020 else
2021 enable beos_netserver
2022 network_extralibs="-lnet"
2023 fi ;;
2024 sunos)
2025 FFSERVERLDFLAGS=""
2026 SHFLAGS='-shared -Wl,-h,$$(@F)'
2027 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2028 network_extralibs="-lsocket -lnsl"
2029 add_cppflags -D__EXTENSIONS__
2030 nm_opts='-P -g'
2031 ;;
2032 netbsd)
2033 oss_indev_extralibs="-lossaudio"
2034 oss_outdev_extralibs="-lossaudio"
2035 ;;
2036 openbsd)
2037 enable malloc_aligned
2038 # On OpenBSD 4.5. the compiler does not use PIC unless
2039 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2040 # however the generated executable will not do anything
2041 # (simply quits with exit-code 1, no crash, no output).
2042 # Thus explicitly enable PIC here.
2043 enable pic
2044 SHFLAGS='-shared'
2045 oss_indev_extralibs="-lossaudio"
2046 oss_outdev_extralibs="-lossaudio"
2047 ;;
2048 freebsd|dragonfly)
2049 enable malloc_aligned
2050 ;;
2051 bsd/os)
2052 osextralibs="-lpoll -lgnugetopt"
2053 strip="strip -d"
2054 ;;
2055 darwin)
2056 enable malloc_aligned
2057 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2058 strip="strip -x"
2059 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2060 SLIBSUF=".dylib"
2061 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2062 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2063 FFSERVERLDFLAGS=-Wl,-bind_at_load
2064 objformat="macho"
2065 enabled x86_64 && objformat="macho64"
2066 enabled_any pic shared ||
2067 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2068 ;;
2069 mingw32*)
2070 # Only WinXP or greater are supported
2071 add_cflags -D_WIN32_WINNT=0x0501
2072 if test $target_os = "mingw32ce"; then
2073 disable network
2074 else
2075 target_os=mingw32
2076 fi
2077 LIBTARGET=i386
2078 if enabled x86_64; then
2079 enable malloc_aligned
2080 LIBTARGET=x64
2081 elif enabled arm; then
2082 LIBTARGET=arm
2083 fi
2084 shlibdir_default="$bindir_default"
2085 disable ffserver
2086 SLIBPREF=""
2087 SLIBSUF=".dll"
2088 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2089 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2090 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2091 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2092 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2093 install -d "$(LIBDIR)"; \
2094 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2095 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2096 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2097 objformat="win32"
2098 enable dos_paths
2099 check_cflags -fno-common
2100 if ! enabled x86_64; then
2101 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2102 die "ERROR: MinGW runtime version must be >= 3.15."
2103 enabled_any avisynth vfwcap_indev &&
2104 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2105 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2106 fi
2107 ;;
2108 cygwin*)
2109 target_os=cygwin
2110 shlibdir_default="$bindir_default"
2111 SLIBPREF="cyg"
2112 SLIBSUF=".dll"
2113 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2114 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2115 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2116 objformat="win32"
2117 enable dos_paths
2118 check_cflags -fno-common
2119 ;;
2120 *-dos|freedos|opendos)
2121 disable ffplay ffserver
2122 disable $INDEV_LIST $OUTDEV_LIST
2123 network_extralibs="-lsocket"
2124 objformat="coff"
2125 enable dos_paths
2126 ;;
2127 linux)
2128 enable dv1394
2129 ;;
2130 irix*)
2131 target_os=irix
2132 ranlib="echo ignoring ranlib"
2133 ;;
2134 os/2*)
2135 strip="lxlite"
2136 ln_s="cp -f"
2137 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2138 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2139 FFSERVERLDFLAGS=""
2140 LIBSUF="_s.a"
2141 SLIBPREF=""
2142 SLIBSUF=".dll"
2143 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2144 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2145 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2146 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2147 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2148 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2149 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2150 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2151 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2152 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2153 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2154 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2155 enable dos_paths
2156 ;;
2157 gnu/kfreebsd)
2158 ;;
2159 gnu)
2160 ;;
2161
2162 *)
2163 die "Unknown OS '$target_os'."
2164 ;;
2165 esac
2166
2167 set_default $PATHS_LIST
2168
2169 add_extralibs $osextralibs
2170
2171 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2172 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2173
2174 # we need to build at least one lib type
2175 if ! enabled_any static shared; then
2176 cat <<EOF
2177 At least one library type must be built.
2178 Specify --enable-static to build the static libraries or --enable-shared to
2179 build the shared libraries as well. To only build the shared libraries specify
2180 --disable-static in addition to --enable-shared.
2181 EOF
2182 exit 1;
2183 fi
2184
2185 disabled static && LIBNAME=""
2186
2187 if enabled_any libfaad libfaadbin ; then
2188 if check_header faad.h; then
2189 check_cc <<EOF
2190 #include <faad.h>
2191 #ifndef FAAD2_VERSION
2192 ok faad1
2193 #endif
2194 int main(void) { return 0; }
2195 EOF
2196 test $? = 0 && enable libfaad2
2197 else
2198 die "FAAD test failed."
2199 fi
2200 fi
2201
2202
2203 die_license_disabled() {
2204 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2205 }
2206
2207 die_license_disabled gpl libfaad2
2208 die_license_disabled gpl libx264
2209 die_license_disabled gpl libxvid
2210 die_license_disabled gpl postproc
2211 die_license_disabled gpl x11grab
2212
2213 die_license_disabled nonfree libfaac
2214
2215 die_license_disabled version3 libopencore_amrnb
2216 die_license_disabled version3 libopencore_amrwb
2217
2218 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2219
2220 check_deps $ARCH_EXT_LIST
2221
2222 disabled optimizations || check_cflags -fomit-frame-pointer
2223
2224 enable_pic() {
2225 enable pic
2226 add_cppflags -DPIC
2227 add_cflags -fPIC
2228 add_asflags -fPIC
2229 }
2230
2231 enabled pic && enable_pic
2232
2233 check_cc <<EOF || die "Symbol mangling check failed."
2234 int ff_extern;
2235 EOF
2236 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2237 extern_prefix=${sym%%ff_extern*}
2238
2239 check_cc <<EOF && enable inline_asm
2240 void foo(void) { __asm__ volatile ("" ::); }
2241 EOF
2242
2243 _restrict=
2244 for restrict_keyword in restrict __restrict__ __restrict; do
2245 check_cc <<EOF && _restrict=$restrict_keyword && break
2246 void foo(char * $restrict_keyword p);
2247 EOF
2248 done
2249
2250 check_cc <<EOF && enable attribute_packed
2251 struct { int x; } __attribute__((packed)) x;
2252 EOF
2253
2254 check_cc <<EOF || die "endian test failed"
2255 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2256 EOF
2257 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2258
2259 if enabled alpha; then
2260
2261 check_cflags -mieee
2262
2263 elif enabled arm; then
2264
2265 check_cflags -marm
2266
2267 check_ld <<EOF && enable vfp_args
2268 __asm__ (".eabi_attribute 28, 1");
2269 int main(void) { return 0; }
2270 EOF
2271
2272 # We have to check if pld is a nop and disable it.
2273 check_asm pld '"pld [r0]"'
2274
2275 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2276 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2277 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2278 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2279 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2280 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2281
2282 enabled_all armv6t2 shared !pic && enable_pic
2283
2284 elif enabled ia64; then
2285
2286 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2287 enabled shared && enable_weak hardcoded_tables
2288
2289 elif enabled mips; then
2290
2291 check_asm loongson '"dmult.g $1, $2, $3"'
2292 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2293
2294 elif enabled ppc; then
2295
2296 check_asm dcbzl '"dcbzl 0, 1"'
2297 check_asm ppc4xx '"maclhw r10, r11, r12"'
2298 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2299
2300 # AltiVec flags: The FSF version of GCC differs from the Apple version
2301 if enabled altivec; then
2302 check_cflags -maltivec -mabi=altivec &&
2303 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2304 check_cflags -faltivec
2305
2306 # check if our compiler supports Motorola AltiVec C API
2307 check_cc <<EOF || disable altivec
2308 $inc_altivec_h
2309 int main(void) {
2310 vector signed int v1, v2, v3;
2311 v1 = vec_add(v2,v3);
2312 return 0;
2313 }
2314 EOF
2315
2316 # check if our compiler supports braces for vector declarations
2317 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2318 $inc_altivec_h
2319 int main (void) { (vector int) {1}; return 0; }
2320 EOF
2321 fi
2322
2323 elif enabled sparc; then
2324
2325 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2326 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2327
2328 elif enabled x86; then
2329
2330 # check whether EBP is available on x86
2331 # As 'i' is stored on the stack, this program will crash
2332 # if the base pointer is used to access it because the
2333 # base pointer is cleared in the inline assembly code.
2334 check_exec_crash <<EOF && enable ebp_available
2335 volatile int i=0;
2336 __asm__ volatile (
2337 "xorl %%ebp, %%ebp"
2338 ::: "%ebp");
2339 return i;
2340 EOF
2341
2342 # check whether EBX is available on x86
2343 check_asm ebx_available '""::"b"(0)' &&
2344 check_asm ebx_available '"":::"%ebx"'
2345
2346 # check whether more than 10 operands are supported
2347 check_cc <<EOF && enable ten_operands
2348 int main(void) {
2349 int x=0;
2350 __asm__ volatile(
2351 ""
2352 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2353 );
2354 return 0;
2355 }
2356 EOF
2357
2358 # check whether binutils is new enough to compile SSSE3/MMX2
2359 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2360 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2361
2362 check_asm bswap '"bswap %%eax" ::: "%eax"'
2363
2364 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2365 enabled x86_64 && append YASMFLAGS "-m amd64"
2366 enabled pic && append YASMFLAGS "-DPIC"
2367 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2368 case "$objformat" in
2369 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2370 esac
2371 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2372
2373 case "$cpu" in
2374 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2375 disable fast_clz
2376 ;;
2377 esac
2378
2379 fi
2380
2381 if check_func dlopen; then
2382 ldl=
2383 elif check_func dlopen -ldl; then
2384 ldl=-ldl
2385 fi
2386
2387 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2388 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2389
2390 check_func fork
2391 check_func getaddrinfo $network_extralibs
2392 check_func gethrtime
2393 check_func getrusage
2394 check_func inet_aton $network_extralibs
2395 check_func isatty
2396 check_func memalign
2397 check_func mkstemp
2398 check_func posix_memalign
2399 check_func_headers io.h setmode
2400 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2401 check_func_headers windows.h GetProcessTimes
2402 check_func_headers windows.h VirtualAlloc
2403
2404 check_header conio.h
2405 check_header dlfcn.h
2406 check_header dxva2api.h
2407 check_header malloc.h
2408 check_header poll.h
2409 check_header sys/mman.h
2410 check_header sys/resource.h
2411 check_header sys/select.h
2412 check_header termios.h
2413 check_header vdpau/vdpau.h
2414 check_header vdpau/vdpau_x11.h
2415 check_header X11/extensions/XvMClib.h
2416
2417 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2418 enabled_any $need_memalign ; then
2419 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2420 fi
2421
2422 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2423 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2424
2425 # check for some common methods of building with pthread support
2426 # do this before the optional library checks as some of them require pthreads
2427 if enabled pthreads; then
2428 if check_func pthread_create; then
2429 :
2430 elif check_func pthread_create -pthread; then
2431 add_cflags -pthread
2432 add_extralibs -pthread
2433 elif check_func pthread_create -pthreads; then
2434 add_cflags -pthreads
2435 add_extralibs -pthreads
2436 elif check_func pthread_create -lpthreadGC2; then
2437 add_extralibs -lpthreadGC2
2438 elif ! check_lib pthread.h pthread_create -lpthread; then
2439 die "ERROR: can't find pthreads library"
2440 fi
2441 fi
2442
2443 for thread in $THREADS_LIST; do
2444 if enabled $thread; then
2445 test -n "$thread_type" &&
2446 die "ERROR: Only one thread type must be selected." ||
2447 thread_type="$thread"
2448 fi
2449 done
2450
2451 check_lib math.h sin -lm
2452 check_lib va/va.h vaInitialize -lva
2453
2454 check_func exp2
2455 check_func exp2f
2456 check_func llrint
2457 check_func log2
2458 check_func log2f
2459 check_func lrint
2460 check_func lrintf
2461 check_func round
2462 check_func roundf
2463 check_func truncf
2464
2465 # these are off by default, so fail if requested and not available
2466 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2467 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2468 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2469 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2470 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2471 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2472 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2473 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2474 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2475 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2476 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2477 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2478 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2479 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2480 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2481 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2482 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2483 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2484 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2485 die "ERROR: libx264 version must be >= 0.83."; }
2486 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2487 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2488
2489 # libdc1394 check
2490 if enabled libdc1394; then
2491 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2492 enable libdc1394_2; } ||
2493 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2494 enable libdc1394_1; } ||
2495 die "ERROR: No version of libdc1394 found "
2496 fi
2497
2498 SDL_CONFIG="${cross_prefix}sdl-config"
2499 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2500 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2501 sdl_libs=$("${SDL_CONFIG}" --libs)
2502 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2503 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2504 enable sdl &&
2505 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2506 fi
2507
2508 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2509
2510 if enabled network; then
2511 check_type "sys/types.h sys/socket.h" socklen_t
2512 check_type netdb.h "struct addrinfo"
2513 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2514 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2515 # Prefer arpa/inet.h over winsock2
2516 if check_header arpa/inet.h ; then
2517 check_func closesocket
2518 elif check_header winsock2.h ; then
2519 check_func_headers winsock2.h closesocket -lws2 && \
2520 network_extralibs="-lws2" || \
2521 { check_func_headers winsock2.h closesocket -lws2_32 && \
2522 network_extralibs="-lws2_32"; }
2523 check_type ws2tcpip.h socklen_t
2524 check_type ws2tcpip.h "struct addrinfo"
2525 check_type ws2tcpip.h "struct sockaddr_storage"
2526 check_struct winsock2.h "struct sockaddr" sa_len
2527 else
2528 disable network
2529 fi
2530 fi
2531
2532 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2533 #include <sys/types.h>
2534 #include <sys/socket.h>
2535 #include <netinet/in.h>
2536 #include <netdb.h>
2537 int main(void) {
2538 struct sockaddr_storage saddr;
2539 struct ipv6_mreq mreq6;
2540 getaddrinfo(0,0,0,0);
2541 getnameinfo(0,0,0,0,0,0,0);
2542 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2543 }
2544 EOF
2545
2546 check_header linux/videodev.h
2547 check_header linux/videodev2.h
2548 check_header sys/videoio.h
2549
2550 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2551
2552 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2553 { check_header dev/bktr/ioctl_meteor.h &&
2554 check_header dev/bktr/ioctl_bt848.h; } ||
2555 { check_header machine/ioctl_meteor.h &&
2556 check_header machine/ioctl_bt848.h; } ||
2557 { check_header dev/video/meteor/ioctl_meteor.h &&
2558 check_header dev/video/bktr/ioctl_bt848.h; } ||
2559 check_header dev/ic/bt8xx.h
2560
2561 check_header sys/soundcard.h
2562 check_header soundcard.h
2563
2564 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2565
2566 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2567
2568 enabled x11grab &&
2569 check_header X11/Xlib.h &&
2570 check_header X11/extensions/XShm.h &&
2571 check_header X11/extensions/Xfixes.h &&
2572 check_func XOpenDisplay -lX11 &&
2573 check_func XShmCreateImage -lX11 -lXext &&
2574 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2575
2576 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2577 check_cpp_condition \
2578 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2579 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2580 disable vdpau; }
2581 fi
2582
2583 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2584
2585 # add some useful compiler flags if supported
2586 check_cflags -Wdeclaration-after-statement
2587 check_cflags -Wall
2588 check_cflags -Wno-switch
2589 check_cflags -Wdisabled-optimization
2590 check_cflags -Wpointer-arith
2591 check_cflags -Wredundant-decls
2592 check_cflags -Wno-pointer-sign
2593 check_cflags -Wcast-qual
2594 check_cflags -Wwrite-strings
2595 check_cflags -Wtype-limits
2596 check_cflags -Wundef
2597 enabled extra_warnings && check_cflags -Winline
2598
2599 # add some linker flags
2600 check_ldflags -Wl,--warn-common
2601 check_ldflags -Wl,--as-needed
2602 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'
2603 check_ldflags -Wl,-Bsymbolic
2604
2605 echo "X{};" > $TMPV
2606 test_ldflags -Wl,--version-script,$TMPV &&
2607 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2608
2609 if enabled small; then
2610 check_cflags -Os # not all compilers support -Os
2611 optimizations="small"
2612 elif enabled optimizations; then
2613 if enabled xlc; then
2614 add_cflags -O5
2615 add_ldflags -O5
2616 elif enabled suncc; then
2617 add_cflags -O5
2618 elif enabled ccc; then
2619 add_cflags -fast
2620 else
2621 add_cflags -O3
2622 fi
2623 fi
2624 check_cflags -fno-math-errno
2625 check_cflags -fno-signed-zeros
2626
2627 if enabled icc; then
2628 # Just warnings, no remarks
2629 check_cflags -w1
2630 # -wd: Disable following warnings
2631 # 144, 167, 556: -Wno-pointer-sign
2632 # 10006: ignoring unknown option -fno-signed-zeros
2633 # 10156: ignoring option '-W'; no argument required
2634 check_cflags -wd144,167,556,10006,10156
2635 # 11030: Warning unknown option --as-needed
2636 # 10156: ignoring option '-export'; no argument required
2637 check_ldflags -wd10156,11030
2638 # Allow to compile with optimizations
2639 check_ldflags -march=$cpu
2640 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2641 enable ebp_available
2642 elif enabled ccc; then
2643 # disable some annoying warnings
2644 add_cflags -msg_disable cvtu32to64
2645 add_cflags -msg_disable embedcomment
2646 add_cflags -msg_disable needconstext
2647 add_cflags -msg_disable nomainieee
2648 add_cflags -msg_disable ptrmismatch1
2649 add_cflags -msg_disable unreachcode
2650 elif enabled gcc; then
2651 check_cflags -fno-tree-vectorize
2652 elif enabled clang; then
2653 check_cflags -Qunused-arguments
2654 elif enabled armcc; then
2655 # 2523: use of inline assembler is deprecated
2656 add_cflags -Wrvct,--diag_suppress=2523
2657 fi
2658
2659 if enabled gprof; then
2660 add_cflags -p
2661 add_ldflags -p
2662 fi
2663
2664 # Find out if the .align argument is a power of two or not.
2665 check_asm asmalign_pot '".align 3"'
2666
2667 enabled_any $DECODER_LIST && enable decoders
2668 enabled_any $ENCODER_LIST && enable encoders
2669 enabled_any $HWACCEL_LIST && enable hwaccels
2670 enabled_any $BSF_LIST && enable bsfs
2671 enabled_any $DEMUXER_LIST && enable demuxers
2672 enabled_any $MUXER_LIST && enable muxers
2673 enabled_any $FILTER_LIST && enable filters
2674 enabled_any $INDEV_LIST && enable indevs
2675 enabled_any $OUTDEV_LIST && enable outdevs
2676 enabled_any $PROTOCOL_LIST && enable protocols
2677
2678 enabled_any $THREADS_LIST && enable threads
2679
2680 check_deps $CONFIG_LIST \
2681 $CONFIG_EXTRA \
2682 $HAVE_LIST \
2683 $DECODER_LIST \
2684 $ENCODER_LIST \
2685 $HWACCEL_LIST \
2686 $PARSER_LIST \
2687 $BSF_LIST \
2688 $DEMUXER_LIST \
2689 $MUXER_LIST \
2690 $FILTER_LIST \
2691 $INDEV_LIST \
2692 $OUTDEV_LIST \
2693 $PROTOCOL_LIST \
2694
2695 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2696
2697 echo "install prefix $prefix"
2698 echo "source path $source_path"
2699 echo "C compiler $cc"
2700 echo ".align is power-of-two $asmalign_pot"
2701 echo "ARCH $arch ($cpu)"
2702 if test "$build_suffix" != ""; then
2703 echo "build suffix $build_suffix"
2704 fi
2705 if test "$extra_version" != ""; then
2706 echo "version string suffix $extra_version"
2707 fi
2708 echo "big-endian ${bigendian-no}"
2709 echo "runtime cpu detection ${runtime_cpudetect-no}"
2710 if enabled x86; then
2711 echo "yasm ${yasm-no}"
2712 echo "MMX enabled ${mmx-no}"
2713 echo "MMX2 enabled ${mmx2-no}"
2714 echo "3DNow! enabled ${amd3dnow-no}"
2715 echo "3DNow! extended enabled ${amd3dnowext-no}"
2716 echo "SSE enabled ${sse-no}"
2717 echo "SSSE3 enabled ${ssse3-no}"
2718 echo "CMOV enabled ${cmov-no}"
2719 echo "CMOV is fast ${fast_cmov-no}"
2720 echo "EBX available ${ebx_available-no}"
2721 echo "EBP available ${ebp_available-no}"
2722 echo "10 operands supported ${ten_operands-no}"
2723 fi
2724 if enabled arm; then
2725 echo "ARMv5TE enabled ${armv5te-no}"
2726 echo "ARMv6 enabled ${armv6-no}"
2727 echo "ARMv6T2 enabled ${armv6t2-no}"
2728 echo "ARM VFP enabled ${armvfp-no}"
2729 echo "IWMMXT enabled ${iwmmxt-no}"
2730 echo "NEON enabled ${neon-no}"
2731 fi
2732 if enabled mips; then
2733 echo "MMI enabled ${mmi-no}"
2734 fi
2735 if enabled ppc; then
2736 echo "AltiVec enabled ${altivec-no}"
2737 echo "PPC 4xx optimizations ${ppc4xx-no}"
2738 echo "dcbzl available ${dcbzl-no}"
2739 echo "performance report ${powerpc_perf-no}"
2740 fi
2741 if enabled sparc; then
2742 echo "VIS enabled ${vis-no}"
2743 fi
2744 echo "gprof enabled ${gprof-no}"
2745 echo "debug symbols ${debug-no}"
2746 echo "strip symbols ${stripping-no}"
2747 echo "optimizations ${optimizations-no}"
2748 echo "static ${static-no}"
2749 echo "shared ${shared-no}"
2750 echo "postprocessing support ${postproc-no}"
2751 echo "new filter support ${avfilter-no}"
2752 echo "filters using lavformat ${avfilter_lavf-no}"
2753 echo "network support ${network-no}"
2754 if enabled network; then
2755 echo "IPv6 support ${ipv6-no}"
2756 fi
2757 echo "threading support ${thread_type-no}"
2758 echo "SDL support ${sdl-no}"
2759 echo "Sun medialib support ${mlib-no}"
2760 echo "AVISynth enabled ${avisynth-no}"
2761 echo "libdc1394 support ${libdc1394-no}"
2762 echo "libdirac enabled ${libdirac-no}"
2763 echo "libfaac enabled ${libfaac-no}"
2764 echo "libfaad enabled ${libfaad-no}"
2765 echo "libfaad dlopened ${libfaadbin-no}"
2766 echo "libgsm enabled ${libgsm-no}"
2767 echo "libmp3lame enabled ${libmp3lame-no}"
2768 echo "libnut enabled ${libnut-no}"
2769 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2770 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2771 echo "libopenjpeg enabled ${libopenjpeg-no}"
2772 echo "libschroedinger enabled ${libschroedinger-no}"
2773 echo "libspeex enabled ${libspeex-no}"
2774 echo "libtheora enabled ${libtheora-no}"
2775 echo "libvorbis enabled ${libvorbis-no}"
2776 echo "libx264 enabled ${libx264-no}"
2777 echo "libxvid enabled ${libxvid-no}"
2778 echo "zlib enabled ${zlib-no}"
2779 echo "bzlib enabled ${bzlib-no}"
2780 echo
2781
2782 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2783 echo "Enabled ${type}s:"
2784 eval list=\$$(toupper $type)_LIST
2785 for part in $list; do
2786 enabled $part && echo ${part%_*}
2787 done | sort | pr -3 -t
2788 echo
2789 done
2790
2791 license="LGPL version 2.1 or later"
2792 if enabled nonfree; then
2793 license="nonfree and unredistributable"
2794 elif enabled gplv3; then
2795 license="GPL version 3 or later"
2796 elif enabled lgplv3; then
2797 license="LGPL version 3 or later"
2798 elif enabled gpl; then
2799 license="GPL version 2 or later"
2800 fi
2801
2802 echo "License: $license"
2803
2804 echo "Creating config.mak and config.h..."
2805
2806 # build tree in object directory if source path is different from current one
2807 if enabled source_path_used; then
2808 DIRS="
2809 doc
2810 libavcodec
2811 libavcodec/$arch
2812 libavdevice
2813 libavfilter
2814 libavformat
2815 libavutil
2816 libavutil/$arch
2817 libpostproc
2818 libswscale
2819 libswscale/$arch
2820 tests
2821 tools
2822 "
2823 FILES="
2824 Makefile
2825 common.mak
2826 subdir.mak
2827 doc/texi2pod.pl
2828 libavcodec/Makefile
2829 libavdevice/Makefile
2830 libavfilter/Makefile
2831 libavformat/Makefile
2832 libavutil/Makefile
2833 libpostproc/Makefile
2834 libswscale/Makefile
2835 "
2836 for dir in $DIRS ; do
2837 mkdir -p $dir
2838 done
2839 for f in $FILES ; do
2840 $ln_s "$source_path/$f" $f
2841 done
2842 fi
2843
2844 enabled stripping || strip="echo skipping strip"
2845
2846 cat > config.mak <<EOF
2847 # Automatically generated by configure - do not modify!
2848 ifndef FFMPEG_CONFIG_MAK
2849 FFMPEG_CONFIG_MAK=1
2850 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2851 prefix=$prefix
2852 LIBDIR=\$(DESTDIR)$libdir
2853 SHLIBDIR=\$(DESTDIR)$shlibdir
2854 INCDIR=\$(DESTDIR)$incdir
2855 BINDIR=\$(DESTDIR)$bindir
2856 DATADIR=\$(DESTDIR)$datadir
2857 MANDIR=\$(DESTDIR)$mandir
2858 SRC_PATH="$source_path"
2859 SRC_PATH_BARE=$source_path
2860 BUILD_ROOT="$PWD"
2861 ARCH=$arch
2862 CC=$cc
2863 AS=$as
2864 LD=$ld
2865 DEPCC=$dep_cc
2866 YASM=$yasmexe
2867 AR=$ar
2868 RANLIB=$ranlib
2869 LN_S=$ln_s
2870 STRIP=$strip
2871 CPPFLAGS=$CPPFLAGS
2872 CFLAGS=$CFLAGS
2873 ASFLAGS=$ASFLAGS
2874 CC_O=$CC_O
2875 LDFLAGS=$LDFLAGS
2876 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2877 SHFLAGS=$SHFLAGS
2878 YASMFLAGS=$YASMFLAGS
2879 BUILDSUF=$build_suffix
2880 FULLNAME=$FULLNAME
2881 LIBPREF=$LIBPREF
2882 LIBSUF=$LIBSUF
2883 LIBNAME=$LIBNAME
2884 SLIBPREF=$SLIBPREF
2885 SLIBSUF=$SLIBSUF
2886 EXESUF=$EXESUF
2887 EXTRA_VERSION=$extra_version
2888 DEPFLAGS=$DEPFLAGS
2889 CCDEP=$CCDEP
2890 ASDEP=$ASDEP
2891 CC_DEPFLAGS=$CC_DEPFLAGS
2892 AS_DEPFLAGS=$AS_DEPFLAGS
2893 HOSTCC=$host_cc
2894 HOSTCFLAGS=$host_cflags
2895 HOSTEXESUF=$HOSTEXESUF
2896 HOSTLDFLAGS=$host_ldflags
2897 HOSTLIBS=$host_libs
2898 TARGET_EXEC=$target_exec
2899 TARGET_PATH=$target_path
2900 SDL_LIBS=$sdl_libs
2901 SDL_CFLAGS=$sdl_cflags
2902 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2903 EXTRALIBS=$extralibs
2904 EOF
2905
2906 get_version(){
2907 name=$1
2908 file=$source_path/$2
2909 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2910 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2911 lcname=$(tolower $name)
2912 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2913 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2914 }
2915
2916 get_version LIBSWSCALE libswscale/swscale.h
2917 get_version LIBPOSTPROC libpostproc/postprocess.h
2918 get_version LIBAVCODEC libavcodec/avcodec.h
2919 get_version LIBAVDEVICE libavdevice/avdevice.h
2920 get_version LIBAVFORMAT libavformat/avformat.h
2921 get_version LIBAVUTIL libavutil/avutil.h
2922 get_version LIBAVFILTER libavfilter/avfilter.h
2923
2924 enabled shared && cat >> config.mak <<EOF
2925 LIBTARGET=${LIBTARGET}
2926 SLIBNAME=${SLIBNAME}
2927 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2928 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2929 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2930 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2931 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2932 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2933 EOF
2934
2935 enabled asmalign_pot || align_shift="1 <<"
2936
2937 cat > $TMPH <<EOF
2938 /* Automatically generated by configure - do not modify! */
2939 #ifndef FFMPEG_CONFIG_H
2940 #define FFMPEG_CONFIG_H
2941 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2942 #define FFMPEG_LICENSE "$(c_escape $license)"
2943 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2944 #define CC_TYPE "$cc_type"
2945 #define CC_VERSION $cc_version
2946 #define restrict $_restrict
2947 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2948 #define EXTERN_PREFIX "${extern_prefix}"
2949 #define EXTERN_ASM ${extern_prefix}
2950 EOF
2951
2952 if enabled small || disabled optimizations; then
2953 echo "#define av_always_inline" >> $TMPH
2954 fi
2955
2956 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2957 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2958 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2959 $CONFIG_EXTRA \
2960 $DECODER_LIST \
2961 $ENCODER_LIST \
2962 $HWACCEL_LIST \
2963 $PARSER_LIST \
2964 $BSF_LIST \
2965 $DEMUXER_LIST \
2966 $MUXER_LIST \
2967 $FILTER_LIST \
2968 $PROTOCOL_LIST \
2969 $INDEV_LIST \
2970 $OUTDEV_LIST \
2971
2972 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2973 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2974
2975 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2976 cp_if_changed $TMPH config.h
2977
2978 cat > $TMPH <<EOF
2979 /* Generated by ffconf */
2980 #ifndef AVUTIL_AVCONFIG_H
2981 #define AVUTIL_AVCONFIG_H
2982 EOF
2983
2984 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
2985
2986 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
2987
2988 cp_if_changed $TMPH libavutil/avconfig.h
2989
2990 # build pkg-config files
2991
2992 pkgconfig_generate(){
2993 name=$1
2994 shortname=${name#lib}${build_suffix}
2995 comment=$2
2996 version=$3
2997 libs=$4
2998 requires=$5
2999 cat <<EOF > $name/$name.pc
3000 prefix=$prefix
3001 exec_prefix=\${prefix}
3002 libdir=$libdir
3003 includedir=$incdir
3004
3005 Name: $name
3006 Description: $comment
3007 Version: $version
3008 Requires: $(enabled shared || echo $requires)
3009 Requires.private: $(enabled shared && echo $requires)
3010 Conflicts:
3011 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3012 Libs.private: $(enabled shared && echo $libs)
3013 Cflags: -I\${includedir}
3014 EOF
3015 cat <<EOF > $name/$name-uninstalled.pc
3016 prefix=
3017 exec_prefix=
3018 libdir=\${pcfiledir}
3019 includedir=${source_path}
3020
3021 Name: $name
3022 Description: $comment
3023 Version: $version
3024 Requires: $requires
3025 Conflicts:
3026 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3027 Cflags: -I\${includedir}
3028 EOF
3029 }
3030
3031 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3032 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3033 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3034 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3035 enabled avfilter &&
3036 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3037 enabled postproc &&
3038 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3039 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"