configure: fix non-standard regex used with expr
[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.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-huffman disable Huffman 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 --disable-everything disable all components listed below
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-frei0r enable frei0r video filtering
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libopencv enable video filtering via libopencv [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [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-librtmp enable RTMP[E] support via librtmp [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libvpx enable VP8 support via libvpx [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxavs enable AVS encoding via xavs [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238 --disable-symver disable symbol versioning
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
246 --samples=PATH location of test samples for FATE
247
248 NOTE: Object files are built at the place where configure is launched.
249 EOF
250 exit 0
251 }
252
253 quotes='""'
254
255 log(){
256 echo "$@" >> $logfile
257 }
258
259 log_file(){
260 log BEGIN $1
261 pr -n -t $1 >> $logfile
262 log END $1
263 }
264
265 echolog(){
266 log "$@"
267 echo "$@"
268 }
269
270 warn(){
271 log "WARNING: $*"
272 WARNINGS="${WARNINGS}WARNING: $*\n"
273 }
274
275 die(){
276 echolog "$@"
277 cat <<EOF
278
279 If you think configure made a mistake, make sure you are using the latest
280 version from Git. If the latest version fails, report the problem to the
281 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282 EOF
283 if disabled logging; then
284 cat <<EOF
285 Rerun configure with logging enabled (do not use --disable-logging), and
286 include the log this produces with your report.
287 EOF
288 else
289 cat <<EOF
290 Include the log file "$logfile" produced by configure as this will help
291 solving the problem.
292 EOF
293 fi
294 exit 1
295 }
296
297 # Avoid locale weirdness, besides we really just want to translate ASCII.
298 toupper(){
299 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300 }
301
302 tolower(){
303 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304 }
305
306 c_escape(){
307 echo "$*" | sed 's/["\\]/\\\0/g'
308 }
309
310 sh_quote(){
311 v=$(echo "$1" | sed "s/'/'\\\\''/g")
312 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313 echo "$v"
314 }
315
316 cleanws(){
317 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
318 }
319
320 filter(){
321 pat=$1
322 shift
323 for v; do
324 eval "case $v in $pat) echo $v ;; esac"
325 done
326 }
327
328 filter_out(){
329 pat=$1
330 shift
331 for v; do
332 eval "case $v in $pat) ;; *) echo $v ;; esac"
333 done
334 }
335
336 map(){
337 m=$1
338 shift
339 for v; do eval $m; done
340 }
341
342 set_all(){
343 value=$1
344 shift
345 for var in $*; do
346 eval $var=$value
347 done
348 }
349
350 set_weak(){
351 value=$1
352 shift
353 for var; do
354 eval : \${$var:=$value}
355 done
356 }
357
358 pushvar(){
359 for var in $*; do
360 eval level=\${${var}_level:=0}
361 eval ${var}_${level}="\$$var"
362 eval ${var}_level=$(($level+1))
363 done
364 }
365
366 popvar(){
367 for var in $*; do
368 eval level=\${${var}_level:-0}
369 test $level = 0 && continue
370 eval level=$(($level-1))
371 eval $var="\${${var}_${level}}"
372 eval ${var}_level=$level
373 eval unset ${var}_${level}
374 done
375 }
376
377 enable(){
378 set_all yes $*
379 }
380
381 disable(){
382 set_all no $*
383 }
384
385 enable_weak(){
386 set_weak yes $*
387 }
388
389 disable_weak(){
390 set_weak no $*
391 }
392
393 enable_safe(){
394 for var; do
395 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
396 done
397 }
398
399 disable_safe(){
400 for var; do
401 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
402 done
403 }
404
405 do_enable_deep(){
406 for var; do
407 enabled $var && continue
408 eval sel="\$${var}_select"
409 eval sgs="\$${var}_suggest"
410 pushvar var sgs
411 enable_deep $sel
412 popvar sgs
413 enable_deep_weak $sgs
414 popvar var
415 done
416 }
417
418 enable_deep(){
419 do_enable_deep $*
420 enable $*
421 }
422
423 enable_deep_weak(){
424 do_enable_deep $*
425 enable_weak $*
426 }
427
428 enabled(){
429 test "${1#!}" = "$1" && op== || op=!=
430 eval test "x\$${1#!}" $op "xyes"
431 }
432
433 disabled(){
434 test "${1#!}" = "$1" && op== || op=!=
435 eval test "x\$${1#!}" $op "xno"
436 }
437
438 enabled_all(){
439 for opt; do
440 enabled $opt || return 1
441 done
442 }
443
444 disabled_all(){
445 for opt; do
446 disabled $opt || return 1
447 done
448 }
449
450 enabled_any(){
451 for opt; do
452 enabled $opt && return 0
453 done
454 }
455
456 disabled_any(){
457 for opt; do
458 disabled $opt && return 0
459 done
460 return 1
461 }
462
463 set_default(){
464 for opt; do
465 eval : \${$opt:=\$${opt}_default}
466 done
467 }
468
469 is_in(){
470 value=$1
471 shift
472 for var in $*; do
473 [ $var = $value ] && return 0
474 done
475 return 1
476 }
477
478 check_deps(){
479 for cfg; do
480 cfg="${cfg#!}"
481 enabled ${cfg}_checking && die "Circular dependency for $cfg."
482 disabled ${cfg}_checking && continue
483 enable ${cfg}_checking
484
485 eval dep_all="\$${cfg}_deps"
486 eval dep_any="\$${cfg}_deps_any"
487 eval dep_sel="\$${cfg}_select"
488 eval dep_sgs="\$${cfg}_suggest"
489 eval dep_ifa="\$${cfg}_if"
490 eval dep_ifn="\$${cfg}_if_any"
491
492 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
493 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
494 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
495
496 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
497 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
498 enabled_all $dep_all || disable $cfg
499 enabled_any $dep_any || disable $cfg
500 disabled_any $dep_sel && disable $cfg
501
502 if enabled $cfg; then
503 eval dep_extralibs="\$${cfg}_extralibs"
504 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
505 enable_deep $dep_sel
506 enable_deep_weak $dep_sgs
507 fi
508
509 disable ${cfg}_checking
510 done
511 }
512
513 print_config_h(){
514 enabled $1 && v=1 || v=0
515 echo "#define $2 $v"
516 }
517
518 print_config_mak(){
519 enabled $1 && v= || v=!
520 echo "$v$2=yes"
521 }
522
523 print_config_asm(){
524 enabled $1 && echo "%define $2"
525 }
526
527 print_config(){
528 pfx=$1
529 files=$2
530 shift 2
531 for cfg; do
532 ucname="$(toupper $cfg)"
533 for f in $files; do
534 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
535 done
536 done
537 }
538
539 print_enabled(){
540 test "$1" = -n && end=" " && shift || end="\n"
541 suf=$1
542 shift
543 for v; do
544 enabled $v && printf "%s$end" ${v%$suf};
545 done
546 }
547
548 append(){
549 var=$1
550 shift
551 eval "$var=\"\$$var $*\""
552 }
553
554 prepend(){
555 var=$1
556 shift
557 eval "$var=\"$* \$$var\""
558 }
559
560 add_cppflags(){
561 append CPPFLAGS $($filter_cppflags "$@")
562 }
563
564 add_cflags(){
565 append CFLAGS $($filter_cflags "$@")
566 }
567
568 add_asflags(){
569 append ASFLAGS $($filter_asflags "$@")
570 }
571
572 add_ldflags(){
573 append LDFLAGS "$@"
574 }
575
576 add_extralibs(){
577 prepend extralibs "$@"
578 }
579
580 check_cmd(){
581 log "$@"
582 "$@" >> $logfile 2>&1
583 }
584
585 check_cc(){
586 log check_cc "$@"
587 cat > $TMPC
588 log_file $TMPC
589 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
590 }
591
592 check_cpp(){
593 log check_cpp "$@"
594 cat > $TMPC
595 log_file $TMPC
596 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
597 }
598
599 check_as(){
600 log check_as "$@"
601 cat > $TMPC
602 log_file $TMPC
603 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
604 }
605
606 check_asm(){
607 log check_asm "$@"
608 name="$1"
609 code="$2"
610 shift 2
611 disable $name
612 check_as "$@" <<EOF && enable $name
613 void foo(void){ __asm__ volatile($code); }
614 EOF
615 }
616
617 check_yasm(){
618 log check_yasm "$@"
619 echo "$1" > $TMPS
620 log_file $TMPS
621 shift 1
622 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
623 }
624
625 check_ld(){
626 log check_ld "$@"
627 flags=''
628 libs=''
629 for f; do
630 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
631 done
632 check_cc $($filter_cflags $flags) || return
633 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
634 }
635
636 check_cppflags(){
637 log check_cppflags "$@"
638 set -- $($filter_cppflags "$@")
639 check_cc "$@" <<EOF && append CPPFLAGS "$@"
640 int x;
641 EOF
642 }
643
644 check_cflags(){
645 log check_cflags "$@"
646 set -- $($filter_cflags "$@")
647 check_cc "$@" <<EOF && append CFLAGS "$@"
648 int x;
649 EOF
650 }
651
652 test_ldflags(){
653 log test_ldflags "$@"
654 check_ld "$@" <<EOF
655 int main(void){ return 0; }
656 EOF
657 }
658
659 check_ldflags(){
660 log check_ldflags "$@"
661 test_ldflags "$@" && add_ldflags "$@"
662 }
663
664 check_header(){
665 log check_header "$@"
666 header=$1
667 shift
668 disable_safe $header
669 check_cpp "$@" <<EOF && enable_safe $header
670 #include <$header>
671 int x;
672 EOF
673 }
674
675 check_func(){
676 log check_func "$@"
677 func=$1
678 shift
679 disable $func
680 check_ld "$@" <<EOF && enable $func
681 extern int $func();
682 int main(void){ $func(); }
683 EOF
684 }
685
686 check_mathfunc(){
687 log check_mathfunc "$@"
688 func=$1
689 shift
690 disable $func
691 check_ld "$@" <<EOF && enable $func
692 #include <math.h>
693 float foo(float f) { return $func(f); }
694 int main(void){ return 0; }
695 EOF
696 }
697
698 check_func_headers(){
699 log check_func_headers "$@"
700 headers=$1
701 func=$2
702 shift 2
703 disable $func
704 incs=""
705 for hdr in $headers; do
706 incs="$incs
707 #include <$hdr>"
708 done
709 check_ld "$@" <<EOF && enable $func && enable_safe $headers
710 $incs
711 int main(int argc, char **argv){
712 return (long) $func;
713 }
714 EOF
715 }
716
717 check_cpp_condition(){
718 log check_cpp_condition "$@"
719 header=$1
720 condition=$2
721 shift 2
722 check_cpp $($filter_cppflags "$@") <<EOF
723 #include <$header>
724 #if !($condition)
725 #error "unsatisfied condition: $condition"
726 #endif
727 EOF
728 }
729
730 check_lib(){
731 log check_lib "$@"
732 header="$1"
733 func="$2"
734 shift 2
735 check_header $header && check_func $func "$@" && add_extralibs "$@"
736 }
737
738 check_lib2(){
739 log check_lib2 "$@"
740 headers="$1"
741 func="$2"
742 shift 2
743 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
744 }
745
746 check_exec(){
747 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
748 }
749
750 check_exec_crash(){
751 code=$(cat)
752
753 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
754 # are safe but may not be available everywhere. Thus we use
755 # raise(SIGTERM) instead. The check is run in a subshell so we
756 # can redirect the "Terminated" message from the shell. SIGBUS
757 # is not defined by standard C so it is used conditionally.
758
759 (check_exec "$@") >> $logfile 2>&1 <<EOF
760 #include <signal.h>
761 static void sighandler(int sig){
762 raise(SIGTERM);
763 }
764 int main(void){
765 signal(SIGILL, sighandler);
766 signal(SIGFPE, sighandler);
767 signal(SIGSEGV, sighandler);
768 #ifdef SIGBUS
769 signal(SIGBUS, sighandler);
770 #endif
771 { $code }
772 }
773 EOF
774 }
775
776 check_type(){
777 log check_type "$@"
778 headers=$1
779 type=$2
780 shift 2
781 disable_safe "$type"
782 incs=""
783 for hdr in $headers; do
784 incs="$incs
785 #include <$hdr>"
786 done
787 check_cc "$@" <<EOF && enable_safe "$type"
788 $incs
789 $type v;
790 EOF
791 }
792
793 check_struct(){
794 log check_type "$@"
795 headers=$1
796 struct=$2
797 member=$3
798 shift 3
799 disable_safe "${struct}_${member}"
800 incs=""
801 for hdr in $headers; do
802 incs="$incs
803 #include <$hdr>"
804 done
805 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
806 $incs
807 const void *p = &(($struct *)0)->$member;
808 EOF
809 }
810
811 require(){
812 name="$1"
813 header="$2"
814 func="$3"
815 shift 3
816 check_lib $header $func "$@" || die "ERROR: $name not found"
817 }
818
819 require2(){
820 name="$1"
821 headers="$2"
822 func="$3"
823 shift 3
824 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
825 }
826
827 check_host_cc(){
828 log check_host_cc "$@"
829 cat > $TMPC
830 log_file $TMPC
831 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
832 }
833
834 check_host_cflags(){
835 log check_host_cflags "$@"
836 check_host_cc "$@" <<EOF && append host_cflags "$@"
837 int x;
838 EOF
839 }
840
841 apply(){
842 file=$1
843 shift
844 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
845 }
846
847 cp_if_changed(){
848 cmp -s "$1" "$2" &&
849 echo "$2 is unchanged" ||
850 cp -f "$1" "$2"
851 }
852
853 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
854 # system-dependent things.
855
856 COMPONENT_LIST="
857 bsfs
858 decoders
859 demuxers
860 encoders
861 filters
862 hwaccels
863 indevs
864 muxers
865 outdevs
866 parsers
867 protocols
868 "
869
870 CONFIG_LIST="
871 $COMPONENT_LIST
872 aandct
873 avcodec
874 avcore
875 avdevice
876 avfilter
877 avformat
878 avisynth
879 bzlib
880 dct
881 doc
882 dwt
883 dxva2
884 fastdiv
885 ffmpeg
886 ffplay
887 ffprobe
888 ffserver
889 fft
890 frei0r
891 golomb
892 gpl
893 gray
894 h264dsp
895 h264pred
896 hardcoded_tables
897 huffman
898 libdc1394
899 libdirac
900 libfaac
901 libgsm
902 libmp3lame
903 libnut
904 libopencore_amrnb
905 libopencore_amrwb
906 libopencv
907 libopenjpeg
908 librtmp
909 libschroedinger
910 libspeex
911 libtheora
912 libvorbis
913 libvpx
914 libx264
915 libxavs
916 libxvid
917 lpc
918 lsp
919 mdct
920 memalign_hack
921 mlib
922 mpegaudio_hp
923 network
924 nonfree
925 pic
926 postproc
927 rdft
928 rtpdec
929 runtime_cpudetect
930 shared
931 small
932 sram
933 static
934 swscale
935 swscale_alpha
936 vaapi
937 vdpau
938 version3
939 x11grab
940 zlib
941 "
942
943 THREADS_LIST='
944 pthreads
945 w32threads
946 '
947
948 ARCH_LIST='
949 alpha
950 arm
951 avr32
952 avr32_ap
953 avr32_uc
954 bfin
955 ia64
956 m68k
957 mips
958 mips64
959 parisc
960 ppc
961 ppc64
962 s390
963 sh4
964 sparc
965 sparc64
966 tomi
967 x86
968 x86_32
969 x86_64
970 '
971
972 ARCH_EXT_LIST='
973 altivec
974 amd3dnow
975 amd3dnowext
976 armv5te
977 armv6
978 armv6t2
979 armvfp
980 iwmmxt
981 mmi
982 mmx
983 mmx2
984 neon
985 ppc4xx
986 sse
987 ssse3
988 vis
989 '
990
991 HAVE_LIST_PUB='
992 bigendian
993 fast_unaligned
994 '
995
996 HAVE_LIST="
997 $ARCH_EXT_LIST
998 $HAVE_LIST_PUB
999 $THREADS_LIST
1000 aligned_stack
1001 alsa_asoundlib_h
1002 altivec_h
1003 arpa_inet_h
1004 attribute_may_alias
1005 attribute_packed
1006 bswap
1007 closesocket
1008 cmov
1009 conio_h
1010 dcbzl
1011 dev_bktr_ioctl_bt848_h
1012 dev_bktr_ioctl_meteor_h
1013 dev_ic_bt8xx_h
1014 dev_video_meteor_ioctl_meteor_h
1015 dev_video_bktr_ioctl_bt848_h
1016 dlfcn_h
1017 dlopen
1018 dos_paths
1019 ebp_available
1020 ebx_available
1021 exp2
1022 exp2f
1023 fast_64bit
1024 fast_clz
1025 fast_cmov
1026 fcntl
1027 fork
1028 getaddrinfo
1029 gethrtime
1030 GetProcessMemoryInfo
1031 GetProcessTimes
1032 getrusage
1033 gnu_as
1034 struct_rusage_ru_maxrss
1035 ibm_asm
1036 inet_aton
1037 inline_asm
1038 isatty
1039 ldbrx
1040 libdc1394_1
1041 libdc1394_2
1042 llrint
1043 llrintf
1044 local_aligned_16
1045 local_aligned_8
1046 log2
1047 log2f
1048 loongson
1049 lrint
1050 lrintf
1051 lzo1x_999_compress
1052 machine_ioctl_bt848_h
1053 machine_ioctl_meteor_h
1054 malloc_h
1055 MapViewOfFile
1056 memalign
1057 mkstemp
1058 mmap
1059 pld
1060 posix_memalign
1061 round
1062 roundf
1063 sdl
1064 sdl_video_size
1065 setmode
1066 socklen_t
1067 soundcard_h
1068 poll_h
1069 setrlimit
1070 strerror_r
1071 strtok_r
1072 struct_addrinfo
1073 struct_ipv6_mreq
1074 struct_sockaddr_in6
1075 struct_sockaddr_sa_len
1076 struct_sockaddr_storage
1077 symver
1078 symver_gnu_asm
1079 symver_asm_label
1080 sys_mman_h
1081 sys_resource_h
1082 sys_select_h
1083 sys_soundcard_h
1084 sys_videoio_h
1085 ten_operands
1086 termios_h
1087 threads
1088 truncf
1089 vfp_args
1090 VirtualAlloc
1091 winsock2_h
1092 xform_asm
1093 xmm_clobbers
1094 yasm
1095 "
1096
1097 # options emitted with CONFIG_ prefix but not available on command line
1098 CONFIG_EXTRA="
1099 avutil
1100 gplv3
1101 lgplv3
1102 "
1103
1104 CMDLINE_SELECT="
1105 $ARCH_EXT_LIST
1106 $CONFIG_LIST
1107 $THREADS_LIST
1108 asm
1109 cross_compile
1110 debug
1111 extra_warnings
1112 logging
1113 optimizations
1114 stripping
1115 symver
1116 yasm
1117 "
1118
1119 PATHS_LIST='
1120 bindir
1121 datadir
1122 incdir
1123 libdir
1124 mandir
1125 prefix
1126 shlibdir
1127 '
1128
1129 CMDLINE_SET="
1130 $PATHS_LIST
1131 ar
1132 arch
1133 as
1134 build_suffix
1135 cc
1136 cpu
1137 cross_prefix
1138 dep_cc
1139 extra_version
1140 host_cc
1141 host_cflags
1142 host_ldflags
1143 host_libs
1144 host_os
1145 ld
1146 logfile
1147 malloc_prefix
1148 nm
1149 samples
1150 source_path
1151 strip
1152 sysinclude
1153 sysroot
1154 target_exec
1155 target_os
1156 target_path
1157 "
1158
1159 CMDLINE_APPEND="
1160 extra_cflags
1161 "
1162
1163 # code dependency declarations
1164
1165 # architecture extensions
1166
1167 armv5te_deps="arm"
1168 armv6_deps="arm"
1169 armv6t2_deps="arm"
1170 armvfp_deps="arm"
1171 iwmmxt_deps="arm"
1172 neon_deps="arm"
1173
1174 mmi_deps="mips"
1175
1176 altivec_deps="ppc"
1177 ppc4xx_deps="ppc"
1178
1179 vis_deps="sparc"
1180
1181 x86_64_suggest="cmov fast_cmov"
1182 amd3dnow_deps="mmx"
1183 amd3dnowext_deps="amd3dnow"
1184 mmx_deps="x86"
1185 mmx2_deps="mmx"
1186 sse_deps="mmx"
1187 ssse3_deps="sse"
1188
1189 aligned_stack_if_any="ppc x86"
1190 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1191 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1192 fast_unaligned_if_any="armv6 ppc x86"
1193
1194 need_memalign="altivec neon sse"
1195 inline_asm_deps="!tms470"
1196
1197 symver_if_any="symver_asm_label symver_gnu_asm"
1198
1199 # subsystems
1200 dct_select="rdft"
1201 mdct_select="fft"
1202 rdft_select="fft"
1203
1204 # decoders / encoders / hardware accelerators
1205 aac_decoder_select="mdct rdft"
1206 aac_encoder_select="mdct"
1207 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1208 ac3_decoder_select="mdct ac3_parser"
1209 ac3_encoder_select="mdct"
1210 alac_encoder_select="lpc"
1211 amrnb_decoder_select="lsp"
1212 amrwb_decoder_select="lsp"
1213 atrac1_decoder_select="mdct"
1214 atrac3_decoder_select="mdct"
1215 binkaudio_dct_decoder_select="mdct rdft dct"
1216 binkaudio_rdft_decoder_select="mdct rdft"
1217 cavs_decoder_select="golomb"
1218 cook_decoder_select="mdct"
1219 cscd_decoder_suggest="zlib"
1220 dca_decoder_select="mdct"
1221 dnxhd_encoder_select="aandct"
1222 dxa_decoder_select="zlib"
1223 eac3_decoder_select="ac3_decoder"
1224 eamad_decoder_select="aandct"
1225 eatgq_decoder_select="aandct"
1226 eatqi_decoder_select="aandct"
1227 ffv1_decoder_select="golomb"
1228 flac_decoder_select="golomb"
1229 flac_encoder_select="golomb lpc"
1230 flashsv_decoder_select="zlib"
1231 flashsv_encoder_select="zlib"
1232 flv_decoder_select="h263_decoder"
1233 flv_encoder_select="h263_encoder"
1234 fraps_decoder_select="huffman"
1235 h261_encoder_select="aandct"
1236 h263_decoder_select="h263_parser"
1237 h263_encoder_select="aandct"
1238 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1239 h263i_decoder_select="h263_decoder"
1240 h263p_encoder_select="h263_encoder"
1241 h264_decoder_select="golomb h264dsp h264pred"
1242 h264_dxva2_hwaccel_deps="dxva2api_h"
1243 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1244 h264_vaapi_hwaccel_select="vaapi"
1245 h264_vdpau_decoder_select="vdpau h264_decoder"
1246 imc_decoder_select="fft mdct"
1247 jpegls_decoder_select="golomb"
1248 jpegls_encoder_select="golomb"
1249 ljpeg_encoder_select="aandct"
1250 loco_decoder_select="golomb"
1251 mjpeg_encoder_select="aandct"
1252 mlp_decoder_select="mlp_parser"
1253 mp1float_decoder_select="dct"
1254 mp2float_decoder_select="dct"
1255 mp3adufloat_decoder_select="dct"
1256 mp3float_decoder_select="dct"
1257 mp3on4float_decoder_select="dct"
1258 mpeg1video_encoder_select="aandct"
1259 mpeg2video_encoder_select="aandct"
1260 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1261 mpeg4_encoder_select="h263_encoder"
1262 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1263 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1264 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1265 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1266 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1267 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1268 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1269 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1270 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1271 msmpeg4v1_decoder_select="h263_decoder"
1272 msmpeg4v1_encoder_select="h263_encoder"
1273 msmpeg4v2_decoder_select="h263_decoder"
1274 msmpeg4v2_encoder_select="h263_encoder"
1275 msmpeg4v3_decoder_select="h263_decoder"
1276 msmpeg4v3_encoder_select="h263_encoder"
1277 nellymoser_decoder_select="mdct"
1278 nellymoser_encoder_select="mdct"
1279 png_decoder_select="zlib"
1280 png_encoder_select="zlib"
1281 qcelp_decoder_select="lsp"
1282 qdm2_decoder_select="mdct rdft"
1283 ra_144_encoder_select="lpc"
1284 rv10_decoder_select="h263_decoder"
1285 rv10_encoder_select="h263_encoder"
1286 rv20_decoder_select="h263_decoder"
1287 rv20_encoder_select="h263_encoder"
1288 rv30_decoder_select="golomb h264pred"
1289 rv40_decoder_select="golomb h264pred"
1290 shorten_decoder_select="golomb"
1291 sipr_decoder_select="lsp"
1292 snow_decoder_select="dwt"
1293 snow_encoder_select="aandct dwt"
1294 sonic_decoder_select="golomb"
1295 sonic_encoder_select="golomb"
1296 sonic_ls_encoder_select="golomb"
1297 svq1_encoder_select="aandct"
1298 svq3_decoder_select="golomb h264dsp h264pred"
1299 svq3_decoder_suggest="zlib"
1300 theora_decoder_select="vp3_decoder"
1301 tiff_decoder_suggest="zlib"
1302 tiff_encoder_suggest="zlib"
1303 truehd_decoder_select="mlp_decoder"
1304 tscc_decoder_select="zlib"
1305 twinvq_decoder_select="mdct lsp"
1306 vc1_decoder_select="h263_decoder"
1307 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1308 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1309 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1310 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1311 vorbis_decoder_select="mdct"
1312 vorbis_encoder_select="mdct"
1313 vp6_decoder_select="huffman"
1314 vp6a_decoder_select="vp6_decoder"
1315 vp6f_decoder_select="vp6_decoder"
1316 vp8_decoder_select="h264pred"
1317 wmapro_decoder_select="mdct"
1318 wmav1_decoder_select="mdct"
1319 wmav1_encoder_select="mdct"
1320 wmav2_decoder_select="mdct"
1321 wmav2_encoder_select="mdct"
1322 wmavoice_decoder_select="lsp rdft dct mdct"
1323 wmv1_decoder_select="h263_decoder"
1324 wmv1_encoder_select="h263_encoder"
1325 wmv2_decoder_select="h263_decoder"
1326 wmv2_encoder_select="h263_encoder"
1327 wmv3_decoder_select="vc1_decoder"
1328 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1329 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1330 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1331 zlib_decoder_select="zlib"
1332 zlib_encoder_select="zlib"
1333 zmbv_decoder_select="zlib"
1334 zmbv_encoder_select="zlib"
1335
1336 vaapi_deps="va_va_h"
1337 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1338
1339 # parsers
1340 h264_parser_select="golomb h264dsp h264pred"
1341
1342 # external libraries
1343 libdirac_decoder_deps="libdirac !libschroedinger"
1344 libdirac_encoder_deps="libdirac"
1345 libfaac_encoder_deps="libfaac"
1346 libgsm_decoder_deps="libgsm"
1347 libgsm_encoder_deps="libgsm"
1348 libgsm_ms_decoder_deps="libgsm"
1349 libgsm_ms_encoder_deps="libgsm"
1350 libmp3lame_encoder_deps="libmp3lame"
1351 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1352 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1353 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1354 libopenjpeg_decoder_deps="libopenjpeg"
1355 libschroedinger_decoder_deps="libschroedinger"
1356 libschroedinger_encoder_deps="libschroedinger"
1357 libspeex_decoder_deps="libspeex"
1358 libtheora_encoder_deps="libtheora"
1359 libvorbis_encoder_deps="libvorbis"
1360 libvpx_decoder_deps="libvpx"
1361 libvpx_encoder_deps="libvpx"
1362 libx264_encoder_deps="libx264"
1363 libxavs_encoder_deps="libxavs"
1364 libxvid_encoder_deps="libxvid"
1365
1366 # demuxers / muxers
1367 ac3_demuxer_select="ac3_parser"
1368 asf_stream_muxer_select="asf_muxer"
1369 avisynth_demuxer_deps="avisynth"
1370 dirac_demuxer_select="dirac_parser"
1371 eac3_demuxer_select="ac3_parser"
1372 flac_demuxer_select="flac_parser"
1373 ipod_muxer_select="mov_muxer"
1374 libnut_demuxer_deps="libnut"
1375 libnut_muxer_deps="libnut"
1376 matroska_audio_muxer_select="matroska_muxer"
1377 matroska_demuxer_suggest="zlib bzlib"
1378 mov_demuxer_suggest="zlib"
1379 mp3_demuxer_select="mpegaudio_parser"
1380 mp4_muxer_select="mov_muxer"
1381 mpegtsraw_demuxer_select="mpegts_demuxer"
1382 mxf_d10_muxer_select="mxf_muxer"
1383 ogg_demuxer_select="golomb"
1384 psp_muxer_select="mov_muxer"
1385 rtp_demuxer_select="sdp_demuxer"
1386 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1387 rtsp_demuxer_select="http_protocol rtpdec"
1388 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1389 sap_demuxer_select="sdp_demuxer"
1390 sap_muxer_select="rtp_muxer rtp_protocol"
1391 sdp_demuxer_select="rtpdec"
1392 spdif_muxer_select="aac_parser"
1393 tg2_muxer_select="mov_muxer"
1394 tgp_muxer_select="mov_muxer"
1395 w64_demuxer_deps="wav_demuxer"
1396
1397 # indevs / outdevs
1398 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1399 alsa_outdev_deps="alsa_asoundlib_h"
1400 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1401 dv1394_indev_deps="dv1394 dv_demuxer"
1402 jack_indev_deps="jack_jack_h"
1403 libdc1394_indev_deps="libdc1394"
1404 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1405 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1406 v4l_indev_deps="linux_videodev_h"
1407 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1408 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1409 vfwcap_indev_extralibs="-lavicap32"
1410 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1411 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1412
1413 # protocols
1414 gopher_protocol_deps="network"
1415 http_protocol_deps="network"
1416 http_protocol_select="tcp_protocol"
1417 mmsh_protocol_select="http_protocol"
1418 mmst_protocol_deps="network"
1419 rtmp_protocol_select="tcp_protocol"
1420 rtp_protocol_select="udp_protocol"
1421 tcp_protocol_deps="network"
1422 udp_protocol_deps="network"
1423
1424 # filters
1425 blackframe_filter_deps="gpl"
1426 cropdetect_filter_deps="gpl"
1427 frei0r_filter_deps="frei0r dlopen strtok_r"
1428 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1429 hqdn3d_filter_deps="gpl"
1430 scale_filter_deps="swscale"
1431 ocv_filter_deps="libopencv"
1432 yadif_filter_deps="gpl"
1433
1434 # libraries
1435 avdevice_deps="avcodec avformat"
1436 avformat_deps="avcodec"
1437
1438 # programs
1439 ffmpeg_deps="avcodec avformat swscale"
1440 ffmpeg_select="buffer_filter"
1441 ffplay_deps="avcodec avformat swscale sdl"
1442 ffplay_select="rdft"
1443 ffprobe_deps="avcodec avformat"
1444 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1445 ffserver_extralibs='$ldl'
1446
1447 doc_deps="texi2html"
1448
1449 # tests
1450
1451 test_deps(){
1452 suf1=$1
1453 suf2=$2
1454 shift 2
1455 for v; do
1456 dep=${v%=*}
1457 tests=${v#*=}
1458 for name in ${tests}; do
1459 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1460 done
1461 done
1462 }
1463
1464 set_ne_test_deps(){
1465 eval ${1}_be_test_deps="bigendian"
1466 eval ${1}_le_test_deps="!bigendian"
1467 }
1468
1469 test_deps _encoder _decoder \
1470 adpcm_g726=g726 \
1471 adpcm_ima_qt \
1472 adpcm_ima_wav \
1473 adpcm_ms \
1474 adpcm_swf \
1475 adpcm_yamaha=adpcm_yam \
1476 alac \
1477 asv1 \
1478 asv2 \
1479 bmp \
1480 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1481 dvvideo="dv dv50" \
1482 ffv1 \
1483 flac \
1484 flashsv \
1485 flv \
1486 gif \
1487 h261 \
1488 h263="h263 h263p" \
1489 huffyuv \
1490 jpegls \
1491 mjpeg="jpg mjpeg ljpeg" \
1492 mp2 \
1493 mpeg1video="mpeg mpeg1b" \
1494 mpeg2video="mpeg2 mpeg2thread" \
1495 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1496 msmpeg4v3=msmpeg4 \
1497 msmpeg4v2 \
1498 pbm=pbmpipe \
1499 pcx \
1500 pgm="pgm pgmpipe" \
1501 png \
1502 ppm="ppm ppmpipe" \
1503 rawvideo="rgb yuv" \
1504 roq \
1505 rv10 \
1506 rv20 \
1507 sgi \
1508 snow="snow snowll" \
1509 svq1 \
1510 targa=tga \
1511 tiff \
1512 wmav1 \
1513 wmav2 \
1514 wmv1 \
1515 wmv2 \
1516
1517 test_deps _muxer _demuxer \
1518 aiff \
1519 pcm_alaw=alaw \
1520 asf \
1521 au \
1522 avi \
1523 dv=dv_fmt \
1524 ffm \
1525 flv=flv_fmt \
1526 gxf \
1527 matroska=mkv \
1528 mmf \
1529 mov \
1530 pcm_mulaw=mulaw \
1531 mxf \
1532 nut \
1533 ogg \
1534 rawvideo=pixfmt \
1535 rm \
1536 swf \
1537 mpegts=ts \
1538 voc \
1539 wav \
1540 yuv4mpegpipe=yuv4mpeg \
1541
1542 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1543 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1544
1545 set_ne_test_deps pixdesc
1546 set_ne_test_deps pixfmts_copy
1547 set_ne_test_deps pixfmts_crop
1548 set_ne_test_deps pixfmts_hflip
1549 set_ne_test_deps pixfmts_null
1550 set_ne_test_deps pixfmts_pad
1551 set_ne_test_deps pixfmts_scale
1552 set_ne_test_deps pixfmts_vflip
1553
1554 # default parameters
1555
1556 logfile="config.log"
1557
1558 # installation paths
1559 prefix_default="/usr/local"
1560 bindir_default='${prefix}/bin'
1561 datadir_default='${prefix}/share/ffmpeg'
1562 incdir_default='${prefix}/include'
1563 libdir_default='${prefix}/lib'
1564 mandir_default='${prefix}/share/man'
1565 shlibdir_default="$libdir_default"
1566
1567 # toolchain
1568 ar_default="ar"
1569 cc_default="gcc"
1570 cc_version=\"unknown\"
1571 host_cc_default="gcc"
1572 ln_s="ln -sf"
1573 nm_default="nm"
1574 objformat="elf"
1575 ranlib="ranlib"
1576 strip_default="strip"
1577 yasmexe="yasm"
1578 nogas=":"
1579
1580 nm_opts='-g'
1581
1582 # machine
1583 arch_default=$(uname -m)
1584 cpu="generic"
1585
1586 # OS
1587 target_os_default=$(tolower $(uname -s))
1588 host_os=$target_os_default
1589
1590 # configurable options
1591 enable avcodec
1592 enable avcore
1593 enable avdevice
1594 enable avfilter
1595 enable avformat
1596 enable avutil
1597 enable asm
1598 enable debug
1599 enable doc
1600 enable fastdiv
1601 enable ffmpeg
1602 enable ffplay
1603 enable ffprobe
1604 enable ffserver
1605 enable mpegaudio_hp
1606 enable network
1607 enable optimizations
1608 enable protocols
1609 enable static
1610 enable stripping
1611 enable swscale
1612 enable swscale_alpha
1613
1614 # build settings
1615 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1616 FFSERVERLDFLAGS=-Wl,-E
1617 LIBPREF="lib"
1618 LIBSUF=".a"
1619 FULLNAME='$(NAME)$(BUILDSUF)'
1620 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1621 SLIBPREF="lib"
1622 SLIBSUF=".so"
1623 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1624 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1625 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1626 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1627
1628 CC_O='-o $@'
1629
1630 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1631 host_libs='-lm'
1632
1633 target_path='$(CURDIR)'
1634
1635 # since the object filename is not given with the -MM flag, the compiler
1636 # is only able to print the basename, and we must add the path ourselves
1637 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1638 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1639
1640 # find source path
1641 source_path="$(dirname "$0")"
1642 enable source_path_used
1643 if test -f configure; then
1644 source_path="$(pwd)"
1645 disable source_path_used
1646 else
1647 source_path="$(cd "$source_path"; pwd)"
1648 echo "$source_path" | grep -q '[[:blank:]]' &&
1649 die "Out of tree builds are impossible with whitespace in source path."
1650 test -e "$source_path/config.h" &&
1651 die "Out of tree builds are impossible with config.h in source dir."
1652 fi
1653
1654 for v in "$@"; do
1655 r=${v#*=}
1656 l=${v%"$r"}
1657 r=$(sh_quote "$r")
1658 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1659 done
1660
1661 find_things(){
1662 thing=$1
1663 pattern=$2
1664 file=$source_path/$3
1665 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1666 }
1667
1668 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1669 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1670 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1671 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1672 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1673 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1674 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1675 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1676 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1677 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1678 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1679
1680 find_tests(){
1681 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1682 }
1683
1684 ACODEC_TESTS=$(find_tests acodec)
1685 VCODEC_TESTS=$(find_tests vsynth1)
1686 LAVF_TESTS=$(find_tests lavf)
1687 LAVFI_TESTS=$(find_tests lavfi)
1688 SEEK_TESTS=$(find_tests seek seek_)
1689
1690 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1691
1692 for n in $COMPONENT_LIST; do
1693 v=$(toupper ${n%s})_LIST
1694 eval enable \$$v
1695 eval ${n}_if_any="\$$v"
1696 done
1697
1698 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1699
1700 die_unknown(){
1701 echo "Unknown option \"$1\"."
1702 echo "See $0 --help for available options."
1703 exit 1
1704 }
1705
1706 show_list() {
1707 suffix=_$1
1708 shift
1709 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1710 exit 0
1711 }
1712
1713 for opt do
1714 optval="${opt#*=}"
1715 case "$opt" in
1716 --extra-ldflags=*) add_ldflags $optval
1717 ;;
1718 --extra-libs=*) add_extralibs $optval
1719 ;;
1720 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1721 ;;
1722 --enable-debug=*) debuglevel="$optval"
1723 ;;
1724 --disable-everything)
1725 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1726 ;;
1727 --enable-*=*|--disable-*=*)
1728 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1729 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1730 eval list=\$$(toupper $thing)_LIST
1731 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1732 $action $(filter "$name" $list)
1733 ;;
1734 --enable-?*|--disable-?*)
1735 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1736 if is_in $option $COMPONENT_LIST; then
1737 test $action = disable && action=unset
1738 eval $action \$$(toupper ${option%s})_LIST
1739 elif is_in $option $CMDLINE_SELECT; then
1740 $action $option
1741 else
1742 die_unknown $opt
1743 fi
1744 ;;
1745 --list-*)
1746 NAME="${opt#--list-}"
1747 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1748 NAME=${NAME%s}
1749 eval show_list $NAME \$$(toupper $NAME)_LIST
1750 ;;
1751 --help|-h) show_help
1752 ;;
1753 *)
1754 optname="${opt%%=*}"
1755 optname="${optname#--}"
1756 optname=$(echo "$optname" | sed 's/-/_/g')
1757 if is_in $optname $CMDLINE_SET; then
1758 eval $optname='$optval'
1759 elif is_in $optname $CMDLINE_APPEND; then
1760 append $optname "$optval"
1761 else
1762 die_unknown $opt
1763 fi
1764 ;;
1765 esac
1766 done
1767
1768 disabled logging && logfile=/dev/null
1769
1770 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1771 set >> $logfile
1772
1773 test -n "$cross_prefix" && enable cross_compile
1774
1775 if enabled cross_compile; then
1776 test -n "$arch" && test -n "$target_os" ||
1777 die "Must specify target arch and OS when cross-compiling"
1778 fi
1779
1780 set_default arch target_os
1781
1782 ar_default="${cross_prefix}${ar_default}"
1783 cc_default="${cross_prefix}${cc_default}"
1784 nm_default="${cross_prefix}${nm_default}"
1785 ranlib="${cross_prefix}${ranlib}"
1786 strip_default="${cross_prefix}${strip_default}"
1787
1788 sysinclude_default="${sysroot}/usr/include"
1789
1790 set_default cc nm strip sysinclude
1791 enabled cross_compile || host_cc_default=$cc
1792 set_default host_cc
1793
1794 exesuf() {
1795 case $1 in
1796 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1797 esac
1798 }
1799
1800 EXESUF=$(exesuf $target_os)
1801 HOSTEXESUF=$(exesuf $host_os)
1802
1803 # set temporary file name
1804 : ${TMPDIR:=$TEMPDIR}
1805 : ${TMPDIR:=$TMP}
1806 : ${TMPDIR:=/tmp}
1807
1808 if ! check_cmd mktemp -u XXXXXX; then
1809 # simple replacement for missing mktemp
1810 # NOT SAFE FOR GENERAL USE
1811 mktemp(){
1812 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1813 }
1814 fi
1815
1816 tmpfile(){
1817 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1818 (set -C; exec > $tmp) 2>/dev/null ||
1819 die "Unable to create temporary file in $TMPDIR."
1820 append TMPFILES $tmp
1821 eval $1=$tmp
1822 }
1823
1824 trap 'rm -f -- $TMPFILES' EXIT
1825
1826 tmpfile TMPC .c
1827 tmpfile TMPE $EXESUF
1828 tmpfile TMPH .h
1829 tmpfile TMPO .o
1830 tmpfile TMPS .S
1831 tmpfile TMPV .ver
1832 tmpfile TMPSH .sh
1833 tmpfile TMPASM .asm
1834
1835 unset -f mktemp
1836
1837 chmod +x $TMPE
1838
1839 # make sure we can execute files in $TMPDIR
1840 cat > $TMPSH 2>> $logfile <<EOF
1841 #! /bin/sh
1842 EOF
1843 chmod +x $TMPSH >> $logfile 2>&1
1844 if ! $TMPSH >> $logfile 2>&1; then
1845 cat <<EOF
1846 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1847 variable to another directory and make sure that it is not mounted noexec.
1848 EOF
1849 die "Sanity test failed."
1850 fi
1851
1852 filter_cflags=echo
1853 filter_cppflags=echo
1854 filter_asflags=echo
1855
1856 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1857 cc_type=llvm_gcc
1858 cc_version=__VERSION__
1859 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1860 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1861 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1862 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1863 speed_cflags='-O3'
1864 size_cflags='-Os'
1865 elif $cc -v 2>&1 | grep -qi ^gcc; then
1866 cc_type=gcc
1867 cc_version=__VERSION__
1868 gcc_version=$($cc --version | head -n1)
1869 gcc_basever=$($cc -dumpversion)
1870 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1871 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1872 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1873 if ! $cc -dumpversion | grep -q '^2\.'; then
1874 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1875 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1876 fi
1877 speed_cflags='-O3'
1878 size_cflags='-Os'
1879 elif $cc --version 2>/dev/null | grep -q Intel; then
1880 cc_type=icc
1881 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1882 cc_ident=$($cc --version | head -n1)
1883 icc_version=$($cc -dumpversion)
1884 CC_DEPFLAGS='-MMD'
1885 AS_DEPFLAGS='-MMD'
1886 speed_cflags='-O3'
1887 size_cflags='-Os'
1888 noopt_cflags='-O1'
1889 elif $cc -v 2>&1 | grep -q xlc; then
1890 cc_type=xlc
1891 cc_version="AV_STRINGIFY(__IBMC__)"
1892 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1893 speed_cflags='-O5'
1894 size_cflags='-O5 -qcompact'
1895 elif $cc -V 2>/dev/null | grep -q Compaq; then
1896 cc_type=ccc
1897 cc_version="AV_STRINGIFY(__DECC_VER)"
1898 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1899 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1900 debuglevel=3
1901 add_ldflags -Wl,-z,now # calls to libots crash without this
1902 speed_cflags='-fast'
1903 size_cflags='-O1'
1904 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1905 test -d "$sysroot" || die "No valid sysroot specified."
1906 cc_type=armcc
1907 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1908 cc_ident=$($cc --vsn | head -n1)
1909 armcc_conf="$PWD/armcc.conf"
1910 $cc --arm_linux_configure \
1911 --arm_linux_config_file="$armcc_conf" \
1912 --configure_sysroot="$sysroot" \
1913 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1914 die "Error creating armcc configuration file."
1915 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1916 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1917 as_default="${cross_prefix}gcc"
1918 CC_DEPFLAGS='-MMD'
1919 AS_DEPFLAGS='-MMD'
1920 speed_cflags='-O3'
1921 size_cflags='-Os'
1922 filter_asflags="filter_out -W${armcc_opt}*"
1923 elif $cc -version 2>/dev/null | grep -q TMS470; then
1924 cc_type=tms470
1925 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1926 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1927 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1928 CC_O='-fr=$(@D)'
1929 as_default="${cross_prefix}gcc"
1930 ld_default="${cross_prefix}gcc"
1931 TMPO=$(basename $TMPC .c).o
1932 append TMPFILES $TMPO
1933 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1934 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1935 AS_DEPFLAGS='-MMD'
1936 speed_cflags='-O3 -mf=5'
1937 size_cflags='-O3 -mf=2'
1938 filter_cflags=tms470_flags
1939 tms470_flags(){
1940 for flag; do
1941 case $flag in
1942 -march=*|-mcpu=*)
1943 case "${flag#*=}" in
1944 armv7-a|cortex-a*) echo -mv=7a8 ;;
1945 armv7-r|cortex-r*) echo -mv=7r4 ;;
1946 armv7-m|cortex-m*) echo -mv=7m3 ;;
1947 armv6*|arm11*) echo -mv=6 ;;
1948 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1949 echo -mv=5e ;;
1950 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1951 esac
1952 ;;
1953 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1954 -mfpu=vfp) echo --float_support=vfpv2 ;;
1955 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1956 -msoft-float) echo --float_support=vfplib ;;
1957 -O[0-3]|-mf=*) echo $flag ;;
1958 -g) echo -g -mn ;;
1959 -pds=*) echo $flag ;;
1960 esac
1961 done
1962 }
1963 elif $cc -v 2>&1 | grep -q clang; then
1964 cc_type=clang
1965 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1966 cc_version=__clang_version__ || cc_version=__VERSION__
1967 cc_ident=$($cc --version | head -n1)
1968 CC_DEPFLAGS='-MMD'
1969 AS_DEPFLAGS='-MMD'
1970 speed_cflags='-O3'
1971 size_cflags='-Os'
1972 elif $cc -V 2>&1 | grep -q Sun; then
1973 cc_type=suncc
1974 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1975 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1976 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1977 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1978 speed_cflags='-O5'
1979 size_cflags='-O5 -xspace'
1980 filter_cflags=suncc_flags
1981 suncc_flags(){
1982 for flag; do
1983 case $flag in
1984 -march=*|-mcpu=*)
1985 case "${flag#*=}" in
1986 native) echo -xtarget=native ;;
1987 v9|niagara) echo -xarch=sparc ;;
1988 ultrasparc) echo -xarch=sparcvis ;;
1989 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1990 i586|pentium) echo -xchip=pentium ;;
1991 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1992 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1993 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1994 pentium4*) echo -xtarget=pentium4 ;;
1995 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1996 *-sse3) echo -xarch=sse3 ;;
1997 core2) echo -xarch=ssse3 -xchip=core2 ;;
1998 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1999 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2000 k8|opteron|athlon64|athlon-fx)
2001 echo -xarch=sse2a ;;
2002 athlon*) echo -xarch=pentium_proa ;;
2003 esac
2004 ;;
2005 -std=c99) echo -xc99 ;;
2006 -fomit-frame-pointer) echo -xregs=frameptr ;;
2007 -fPIC) echo -KPIC -xcode=pic32 ;;
2008 -W*,*) echo $flag ;;
2009 -f*-*|-W*) ;;
2010 *) echo $flag ;;
2011 esac
2012 done
2013 }
2014 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2015 cc_type=pathscale
2016 cc_version=__PATHSCALE__
2017 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2018 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2019 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2020 speed_cflags='-O2'
2021 size_cflags='-Os'
2022 elif $cc -v 2>&1 | grep -q Open64; then
2023 cc_type=open64
2024 cc_version=__OPEN64__
2025 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2026 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2027 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2028 speed_cflags='-O2'
2029 size_cflags='-Os'
2030 fi
2031
2032 test -n "$cc_type" && enable $cc_type ||
2033 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2034
2035 : ${as_default:=$cc}
2036 : ${dep_cc_default:=$cc}
2037 : ${ld_default:=$cc}
2038 set_default ar as dep_cc ld
2039
2040 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2041 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2042
2043 add_cflags $extra_cflags
2044 add_asflags $extra_cflags
2045
2046 if test -n "$sysroot"; then
2047 case "$cc_type" in
2048 gcc|llvm_gcc)
2049 add_cppflags --sysroot="$sysroot"
2050 add_ldflags --sysroot="$sysroot"
2051 ;;
2052 tms470)
2053 add_cppflags -I"$sysinclude"
2054 add_ldflags --sysroot="$sysroot"
2055 ;;
2056 clang)
2057 add_cppflags -isysroot "$sysroot"
2058 add_ldflags -isysroot "$sysroot"
2059 ;;
2060 esac
2061 fi
2062
2063 if test "$cpu" = host; then
2064 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2065
2066 case "$cc_type" in
2067 gcc|llvm_gcc)
2068 check_native(){
2069 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2070 sed -n "/$1=/{
2071 s/.*$1=\\([^ ]*\\).*/\\1/
2072 p
2073 q
2074 }" $TMPE
2075 }
2076 cpu=$(check_native -march || check_native -mcpu)
2077 ;;
2078 esac
2079
2080 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2081 fi
2082
2083 # Deal with common $arch aliases
2084 case "$arch" in
2085 arm*)
2086 arch="arm"
2087 ;;
2088 mips|mipsel|IP*)
2089 arch="mips"
2090 ;;
2091 mips64*)
2092 arch="mips"
2093 subarch="mips64"
2094 ;;
2095 parisc|hppa)
2096 arch="parisc"
2097 ;;
2098 parisc64|hppa64)
2099 arch="parisc"
2100 subarch="parisc64"
2101 ;;
2102 "Power Macintosh"|ppc|powerpc)
2103 arch="ppc"
2104 ;;
2105 ppc64|powerpc64)
2106 arch="ppc"
2107 subarch="ppc64"
2108 ;;
2109 s390|s390x)
2110 arch="s390"
2111 ;;
2112 sh4|sh)
2113 arch="sh4"
2114 ;;
2115 sun4u|sparc64)
2116 arch="sparc"
2117 subarch="sparc64"
2118 ;;
2119 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2120 arch="x86"
2121 ;;
2122 esac
2123
2124 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2125 enable $arch
2126
2127 # Add processor-specific flags
2128 if test "$cpu" = generic; then
2129 : do nothing
2130 elif enabled ppc; then
2131
2132 case $(tolower $cpu) in
2133 601|ppc601|powerpc601)
2134 cpuflags="-mcpu=601"
2135 disable altivec
2136 ;;
2137 603*|ppc603*|powerpc603*)
2138 cpuflags="-mcpu=603"
2139 disable altivec
2140 ;;
2141 604*|ppc604*|powerpc604*)
2142 cpuflags="-mcpu=604"
2143 disable altivec
2144 ;;
2145 g3|75*|ppc75*|powerpc75*)
2146 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2147 disable altivec
2148 ;;
2149 g4|745*|ppc745*|powerpc745*)
2150 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2151 ;;
2152 74*|ppc74*|powerpc74*)
2153 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2154 ;;
2155 g5|970|ppc970|powerpc970|power4*)
2156 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2157 ;;
2158 cell)
2159 cpuflags="-mcpu=cell"
2160 enable ldbrx
2161 ;;
2162 e500v2)
2163 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2164 disable altivec
2165 ;;
2166 e500)
2167 cpuflags="-mcpu=8540 -mhard-float"
2168 disable altivec
2169 ;;
2170 esac
2171
2172 elif enabled x86; then
2173
2174 case $cpu in
2175 i[345]86|pentium)
2176 cpuflags="-march=$cpu"
2177 disable mmx
2178 ;;
2179 # targets that do NOT support conditional mov (cmov)
2180 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2181 cpuflags="-march=$cpu"
2182 disable cmov
2183 ;;
2184 # targets that do support conditional mov (cmov)
2185 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2186 cpuflags="-march=$cpu"
2187 enable cmov
2188 enable fast_cmov
2189 ;;
2190 # targets that do support conditional mov but on which it's slow
2191 pentium4|pentium4m|prescott|nocona)
2192 cpuflags="-march=$cpu"
2193 enable cmov
2194 disable fast_cmov
2195 ;;
2196 esac
2197
2198 elif enabled sparc; then
2199
2200 case $cpu in
2201 niagara)
2202 cpuflags="-mcpu=$cpu"
2203 disable vis
2204 ;;
2205 sparc64)
2206 cpuflags="-mcpu=v9"
2207 ;;
2208 esac
2209
2210 elif enabled arm; then
2211
2212 case $cpu in
2213 armv*)
2214 cpuflags="-march=$cpu"
2215 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2216 ;;
2217 *)
2218 cpuflags="-mcpu=$cpu"
2219 case $cpu in
2220 cortex-a*) subarch=armv7a ;;
2221 cortex-r*) subarch=armv7r ;;
2222 cortex-m*) subarch=armv7m ;;
2223 arm11*) subarch=armv6 ;;
2224 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2225 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2226 esac
2227 ;;
2228 esac
2229
2230 elif enabled alpha; then
2231
2232 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2233
2234 elif enabled bfin; then
2235
2236 cpuflags="-mcpu=$cpu"
2237
2238 elif enabled mips; then
2239
2240 cpuflags="-march=$cpu"
2241
2242 elif enabled avr32; then
2243
2244 case $cpu in
2245 ap7[02]0[0-2])
2246 subarch="avr32_ap"
2247 cpuflags="-mpart=$cpu"
2248 ;;
2249 ap)
2250 subarch="avr32_ap"
2251 cpuflags="-march=$cpu"
2252 ;;
2253 uc3[ab]*)
2254 subarch="avr32_uc"
2255 cpuflags="-mcpu=$cpu"
2256 ;;
2257 uc)
2258 subarch="avr32_uc"
2259 cpuflags="-march=$cpu"
2260 ;;
2261 esac
2262
2263 fi
2264
2265 add_cflags $cpuflags
2266 add_asflags $cpuflags
2267
2268 # compiler sanity check
2269 check_exec <<EOF
2270 int main(void){ return 0; }
2271 EOF
2272 if test "$?" != 0; then
2273 echo "$cc is unable to create an executable file."
2274 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2275 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2276 echo "Only do this if you know what cross compiling means."
2277 fi
2278 die "C compiler test failed."
2279 fi
2280
2281 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2282 check_cflags -std=c99
2283 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2284 #include <stdlib.h>
2285 EOF
2286 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2287 #include <stdlib.h>
2288 EOF
2289
2290 check_host_cflags -std=c99
2291
2292 case "$arch" in
2293 alpha|ia64|mips|parisc|sparc)
2294 spic=$shared
2295 ;;
2296 x86)
2297 subarch="x86_32"
2298 check_cc <<EOF && subarch="x86_64"
2299 int test[(int)sizeof(char*) - 7];
2300 EOF
2301 if test "$subarch" = "x86_64"; then
2302 spic=$shared
2303 fi
2304 ;;
2305 esac
2306
2307 enable $subarch
2308 enabled spic && enable pic
2309
2310 # OS specific
2311 case $target_os in
2312 haiku)
2313 prefix_default="/boot/common"
2314 network_extralibs="-lnetwork"
2315 host_libs=
2316 ;;
2317 sunos)
2318 FFSERVERLDFLAGS=""
2319 SHFLAGS='-shared -Wl,-h,$$(@F)'
2320 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2321 network_extralibs="-lsocket -lnsl"
2322 add_cppflags -D__EXTENSIONS__
2323 nm_opts='-P -g'
2324 ;;
2325 netbsd)
2326 disable symver
2327 oss_indev_extralibs="-lossaudio"
2328 oss_outdev_extralibs="-lossaudio"
2329 add_cppflags -D_XOPEN_SOURCE=600
2330 ;;
2331 openbsd)
2332 enable malloc_aligned
2333 # On OpenBSD 4.5. the compiler does not use PIC unless
2334 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2335 # however the generated executable will not do anything
2336 # (simply quits with exit-code 1, no crash, no output).
2337 # Thus explicitly enable PIC here.
2338 enable pic
2339 disable symver
2340 SHFLAGS='-shared'
2341 oss_indev_extralibs="-lossaudio"
2342 oss_outdev_extralibs="-lossaudio"
2343 ;;
2344 dragonfly)
2345 enable malloc_aligned
2346 disable symver
2347 ;;
2348 freebsd)
2349 enable malloc_aligned
2350 ;;
2351 bsd/os)
2352 add_extralibs -lpoll -lgnugetopt
2353 strip="strip -d"
2354 ;;
2355 darwin)
2356 enable malloc_aligned
2357 gas="gas-preprocessor.pl $cc"
2358 enabled ppc && add_asflags -force_cpusubtype_ALL
2359 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2360 strip="${strip} -x"
2361 add_ldflags -Wl,-dynamic,-search_paths_first
2362 SLIBSUF=".dylib"
2363 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2364 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2365 FFSERVERLDFLAGS=-Wl,-bind_at_load
2366 objformat="macho"
2367 enabled x86_64 && objformat="macho64"
2368 enabled_any pic shared ||
2369 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2370 ;;
2371 mingw32*)
2372 if test $target_os = "mingw32ce"; then
2373 disable network
2374 else
2375 target_os=mingw32
2376 fi
2377 LIBTARGET=i386
2378 if enabled x86_64; then
2379 enable malloc_aligned
2380 LIBTARGET=x64
2381 elif enabled arm; then
2382 LIBTARGET=arm
2383 fi
2384 shlibdir_default="$bindir_default"
2385 disable ffserver
2386 SLIBPREF=""
2387 SLIBSUF=".dll"
2388 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2389 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2390 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2391 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2392 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2393 install -d "$(LIBDIR)"; \
2394 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2395 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2396 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'
2397 objformat="win32"
2398 enable dos_paths
2399 check_cflags -fno-common
2400 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2401 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2402 die "ERROR: MinGW runtime version must be >= 3.15."
2403 ;;
2404 cygwin*)
2405 target_os=cygwin
2406 shlibdir_default="$bindir_default"
2407 SLIBPREF="cyg"
2408 SLIBSUF=".dll"
2409 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2410 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2411 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2412 objformat="win32"
2413 enable dos_paths
2414 check_cflags -fno-common
2415 ;;
2416 *-dos|freedos|opendos)
2417 disable ffplay ffserver
2418 disable $INDEV_LIST $OUTDEV_LIST
2419 network_extralibs="-lsocket"
2420 objformat="coff"
2421 enable dos_paths
2422 ;;
2423 linux)
2424 enable dv1394
2425 ;;
2426 irix*)
2427 target_os=irix
2428 ranlib="echo ignoring ranlib"
2429 ;;
2430 os/2*)
2431 strip="lxlite"
2432 ln_s="cp -f"
2433 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2434 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2435 FFSERVERLDFLAGS=""
2436 LIBSUF="_s.a"
2437 SLIBPREF=""
2438 SLIBSUF=".dll"
2439 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2440 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2441 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2442 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2443 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2444 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2445 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2446 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2447 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2448 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2449 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2450 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2451 enable dos_paths
2452 ;;
2453 gnu/kfreebsd)
2454 ;;
2455 gnu)
2456 ;;
2457 qnx)
2458 add_cppflags -D_QNX_SOURCE
2459 network_extralibs="-lsocket"
2460 ;;
2461 none)
2462 ;;
2463 *)
2464 die "Unknown OS '$target_os'."
2465 ;;
2466 esac
2467
2468 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2469
2470 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2471
2472 set_default $PATHS_LIST
2473
2474 # we need to build at least one lib type
2475 if ! enabled_any static shared; then
2476 cat <<EOF
2477 At least one library type must be built.
2478 Specify --enable-static to build the static libraries or --enable-shared to
2479 build the shared libraries as well. To only build the shared libraries specify
2480 --disable-static in addition to --enable-shared.
2481 EOF
2482 exit 1;
2483 fi
2484
2485 disabled static && LIBNAME=""
2486
2487 die_license_disabled() {
2488 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2489 }
2490
2491 die_license_disabled gpl libx264
2492 die_license_disabled gpl libxavs
2493 die_license_disabled gpl libxvid
2494 die_license_disabled gpl postproc
2495 die_license_disabled gpl x11grab
2496
2497 die_license_disabled nonfree libfaac
2498
2499 die_license_disabled version3 libopencore_amrnb
2500 die_license_disabled version3 libopencore_amrwb
2501
2502 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2503
2504 disabled optimizations || check_cflags -fomit-frame-pointer
2505
2506 enable_pic() {
2507 enable pic
2508 add_cppflags -DPIC
2509 add_cflags -fPIC
2510 add_asflags -fPIC
2511 }
2512
2513 enabled pic && enable_pic
2514
2515 check_cc <<EOF || die "Symbol mangling check failed."
2516 int ff_extern;
2517 EOF
2518 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2519 extern_prefix=${sym%%ff_extern*}
2520
2521 check_cc <<EOF && enable inline_asm
2522 void foo(void) { __asm__ volatile ("" ::); }
2523 EOF
2524
2525 _restrict=
2526 for restrict_keyword in restrict __restrict__ __restrict; do
2527 check_cc <<EOF && _restrict=$restrict_keyword && break
2528 void foo(char * $restrict_keyword p);
2529 EOF
2530 done
2531
2532 check_cc <<EOF && enable attribute_packed
2533 struct { int x; } __attribute__((packed)) x;
2534 EOF
2535
2536 check_cc <<EOF && enable attribute_may_alias
2537 union { int x; } __attribute__((may_alias)) x;
2538 EOF
2539
2540 check_cc <<EOF || die "endian test failed"
2541 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2542 EOF
2543 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2544
2545 if enabled alpha; then
2546
2547 check_cflags -mieee
2548
2549 elif enabled arm; then
2550
2551 check_cflags -marm
2552 nogas=die
2553
2554 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2555 enable vfp_args
2556 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2557 case "${cross_prefix:-$cc}" in
2558 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2559 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2560 __asm__ (".eabi_attribute 28, 1");
2561 int main(void) { return 0; }
2562 EOF
2563 esac
2564 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2565 fi
2566
2567 # We have to check if pld is a nop and disable it.
2568 check_asm pld '"pld [r0]"'
2569
2570 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2571 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2572 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2573 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2574 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2575 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2576
2577 enabled_all armv6t2 shared !pic && enable_pic
2578
2579 elif enabled mips; then
2580
2581 check_asm loongson '"dmult.g $1, $2, $3"'
2582 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2583
2584 elif enabled ppc; then
2585
2586 enable local_aligned_8 local_aligned_16
2587
2588 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2589 check_asm ibm_asm '"add 0, 0, 0"'
2590 check_asm ppc4xx '"maclhw r10, r11, r12"'
2591 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2592
2593 # AltiVec flags: The FSF version of GCC differs from the Apple version
2594 if enabled altivec; then
2595 nogas=warn
2596 check_cflags -maltivec -mabi=altivec &&
2597 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2598 check_cflags -faltivec
2599
2600 # check if our compiler supports Motorola AltiVec C API
2601 check_cc <<EOF || disable altivec
2602 $inc_altivec_h
2603 int main(void) {
2604 vector signed int v1, v2, v3;
2605 v1 = vec_add(v2,v3);
2606 return 0;
2607 }
2608 EOF
2609
2610 # check if our compiler supports braces for vector declarations
2611 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2612 $inc_altivec_h
2613 int main (void) { (vector int) {1}; return 0; }
2614 EOF
2615 fi
2616
2617 elif enabled sparc; then
2618
2619 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2620 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2621
2622 elif enabled x86; then
2623
2624 enable local_aligned_8 local_aligned_16
2625
2626 # check whether EBP is available on x86
2627 # As 'i' is stored on the stack, this program will crash
2628 # if the base pointer is used to access it because the
2629 # base pointer is cleared in the inline assembly code.
2630 check_exec_crash <<EOF && enable ebp_available
2631 volatile int i=0;
2632 __asm__ volatile (
2633 "xorl %%ebp, %%ebp"
2634 ::: "%ebp");
2635 return i;
2636 EOF
2637
2638 # check whether EBX is available on x86
2639 check_asm ebx_available '""::"b"(0)' &&
2640 check_asm ebx_available '"":::"%ebx"'
2641
2642 # check whether xmm clobbers are supported
2643 check_asm xmm_clobbers '"":::"%xmm0"'
2644
2645 # check whether more than 10 operands are supported
2646 check_cc <<EOF && enable ten_operands
2647 int main(void) {
2648 int x=0;
2649 __asm__ volatile(
2650 ""
2651 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2652 );
2653 return 0;
2654 }
2655 EOF
2656
2657 # check whether binutils is new enough to compile SSSE3/MMX2
2658 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2659 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2660
2661 check_asm bswap '"bswap %%eax" ::: "%eax"'
2662
2663 if ! disabled_any asm mmx yasm; then
2664 if check_cmd $yasmexe --version; then
2665 enabled x86_64 && yasm_extra="-m amd64"
2666 yasm_debug="-g dwarf2"
2667 elif check_cmd nasm -v; then
2668 yasmexe=nasm
2669 yasm_debug="-g -F dwarf"
2670 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2671 fi
2672
2673 YASMFLAGS="-f $objformat $yasm_extra"
2674 enabled pic && append YASMFLAGS "-DPIC"
2675 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2676 case "$objformat" in
2677 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2678 esac
2679
2680 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2681 die "yasm not found, use --disable-yasm for a crippled build"
2682 fi
2683
2684 case "$cpu" in
2685 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2686 disable fast_clz
2687 ;;
2688 esac
2689
2690 fi
2691
2692 if enabled asm; then
2693 as=${gas:=$as}
2694 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2695 $nogas "GNU assembler not found, install gas-preprocessor"
2696 fi
2697
2698 if check_func dlopen; then
2699 ldl=
2700 elif check_func dlopen -ldl; then
2701 ldl=-ldl
2702 fi
2703
2704 if enabled network; then
2705 check_type "sys/types.h sys/socket.h" socklen_t
2706 check_type netdb.h "struct addrinfo"
2707 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2708 check_type netinet/in.h "struct sockaddr_in6"
2709 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2710 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2711 # Prefer arpa/inet.h over winsock2
2712 if check_header arpa/inet.h ; then
2713 check_func closesocket
2714 elif check_header winsock2.h ; then
2715 check_func_headers winsock2.h closesocket -lws2 && \
2716 network_extralibs="-lws2" || \
2717 { check_func_headers winsock2.h closesocket -lws2_32 && \
2718 network_extralibs="-lws2_32"; }
2719 check_type ws2tcpip.h socklen_t
2720 check_type ws2tcpip.h "struct addrinfo"
2721 check_type ws2tcpip.h "struct ipv6_mreq"
2722 check_type ws2tcpip.h "struct sockaddr_in6"
2723 check_type ws2tcpip.h "struct sockaddr_storage"
2724 check_struct winsock2.h "struct sockaddr" sa_len
2725 else
2726 disable network
2727 fi
2728 fi
2729
2730 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2731 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2732
2733 check_func fcntl
2734 check_func fork
2735 check_func getaddrinfo $network_extralibs
2736 check_func gethrtime
2737 check_func getrusage
2738 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2739 check_func inet_aton $network_extralibs
2740 check_func isatty
2741 check_func ${malloc_prefix}memalign && enable memalign
2742 check_func mkstemp
2743 check_func mmap
2744 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2745 check_func setrlimit
2746 check_func strerror_r
2747 check_func strtok_r
2748 check_func_headers io.h setmode
2749 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2750 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2751 check_func_headers windows.h GetProcessTimes
2752 check_func_headers windows.h MapViewOfFile
2753 check_func_headers windows.h VirtualAlloc
2754
2755 check_header conio.h
2756 check_header dlfcn.h
2757 check_header dxva2api.h
2758 check_header malloc.h
2759 check_header poll.h
2760 check_header sys/mman.h
2761 check_header sys/resource.h
2762 check_header sys/select.h
2763 check_header termios.h
2764 check_header vdpau/vdpau.h
2765 check_header vdpau/vdpau_x11.h
2766 check_header X11/extensions/XvMClib.h
2767
2768 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2769
2770 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2771 enabled_any $need_memalign ; then
2772 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2773 fi
2774
2775 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2776 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2777
2778 # check for some common methods of building with pthread support
2779 # do this before the optional library checks as some of them require pthreads
2780 if ! disabled pthreads && ! enabled w32threads; then
2781 enable pthreads
2782 if check_func pthread_create; then
2783 :
2784 elif check_func pthread_create -pthread; then
2785 add_cflags -pthread
2786 add_extralibs -pthread
2787 elif check_func pthread_create -pthreads; then
2788 add_cflags -pthreads
2789 add_extralibs -pthreads
2790 elif check_func pthread_create -lpthreadGC2; then
2791 add_extralibs -lpthreadGC2
2792 elif ! check_lib pthread.h pthread_create -lpthread; then
2793 disable pthreads
2794 fi
2795 fi
2796
2797 for thread in $THREADS_LIST; do
2798 if enabled $thread; then
2799 test -n "$thread_type" &&
2800 die "ERROR: Only one thread type must be selected." ||
2801 thread_type="$thread"
2802 fi
2803 done
2804
2805 check_lib math.h sin -lm
2806 disabled vaapi || check_lib va/va.h vaInitialize -lva
2807
2808 check_mathfunc exp2
2809 check_mathfunc exp2f
2810 check_mathfunc llrint
2811 check_mathfunc llrintf
2812 check_mathfunc log2
2813 check_mathfunc log2f
2814 check_mathfunc lrint
2815 check_mathfunc lrintf
2816 check_mathfunc round
2817 check_mathfunc roundf
2818 check_mathfunc truncf
2819
2820 # these are off by default, so fail if requested and not available
2821 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2822 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2823 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2824 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2825 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2826 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2827 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2828 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2829 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2830 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2831 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2832 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2833 die "ERROR: libopencv not found"; }
2834 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2835 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2836 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2837 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2838 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2839 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2840 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2841 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2842 enabled libvpx && {
2843 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2844 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2845 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2846 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2847 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2848 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2849 die "ERROR: libx264 version must be >= 0.99."; }
2850 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2851 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2852 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2853
2854 # libdc1394 check
2855 if enabled libdc1394; then
2856 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2857 enable libdc1394_2; } ||
2858 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2859 enable libdc1394_1; } ||
2860 die "ERROR: No version of libdc1394 found "
2861 fi
2862
2863 SDL_CONFIG="${cross_prefix}sdl-config"
2864 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2865 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2866 sdl_libs=$("${SDL_CONFIG}" --libs)
2867 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2868 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2869 enable sdl &&
2870 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2871 fi
2872
2873 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2874
2875 check_header linux/videodev.h
2876 check_header linux/videodev2.h
2877 check_header sys/videoio.h
2878
2879 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2880 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2881 # w32api 3.12 had it defined wrong
2882 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2883
2884 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2885 { check_header dev/bktr/ioctl_meteor.h &&
2886 check_header dev/bktr/ioctl_bt848.h; } ||
2887 { check_header machine/ioctl_meteor.h &&
2888 check_header machine/ioctl_bt848.h; } ||
2889 { check_header dev/video/meteor/ioctl_meteor.h &&
2890 check_header dev/video/bktr/ioctl_bt848.h; } ||
2891 check_header dev/ic/bt8xx.h
2892
2893 check_header sys/soundcard.h
2894 check_header soundcard.h
2895
2896 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2897
2898 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2899
2900 enabled x11grab &&
2901 check_header X11/Xlib.h &&
2902 check_header X11/extensions/XShm.h &&
2903 check_header X11/extensions/Xfixes.h &&
2904 check_func XOpenDisplay -lX11 &&
2905 check_func XShmCreateImage -lX11 -lXext &&
2906 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2907
2908 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2909 check_cpp_condition \
2910 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2911 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2912 disable vdpau; }
2913 fi
2914
2915 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2916
2917 # add some useful compiler flags if supported
2918 check_cflags -Wdeclaration-after-statement
2919 check_cflags -Wall
2920 check_cflags -Wno-parentheses
2921 check_cflags -Wno-switch
2922 check_cflags -Wdisabled-optimization
2923 check_cflags -Wpointer-arith
2924 check_cflags -Wredundant-decls
2925 check_cflags -Wno-pointer-sign
2926 check_cflags -Wcast-qual
2927 check_cflags -Wwrite-strings
2928 check_cflags -Wtype-limits
2929 check_cflags -Wundef
2930 check_cflags -Wmissing-prototypes
2931 enabled extra_warnings && check_cflags -Winline
2932
2933 # add some linker flags
2934 check_ldflags -Wl,--warn-common
2935 check_ldflags -Wl,--as-needed
2936 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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2937 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2938
2939 echo "X{};" > $TMPV
2940 if test_ldflags -Wl,--version-script,$TMPV; then
2941 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2942 check_cc <<EOF && enable symver_asm_label
2943 void ff_foo(void) __asm__ ("av_foo@VERSION");
2944 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2945 EOF
2946 check_cc <<EOF && enable symver_gnu_asm
2947 __asm__(".symver ff_foo,av_foo@VERSION");
2948 void ff_foo(void) {}
2949 EOF
2950 fi
2951
2952 if enabled small; then
2953 add_cflags $size_cflags
2954 optimizations="small"
2955 elif enabled optimizations; then
2956 add_cflags $speed_cflags
2957 else
2958 add_cflags $noopt_cflags
2959 fi
2960 check_cflags -fno-math-errno
2961 check_cflags -fno-signed-zeros
2962
2963 if enabled icc; then
2964 # Just warnings, no remarks
2965 check_cflags -w1
2966 # -wd: Disable following warnings
2967 # 144, 167, 556: -Wno-pointer-sign
2968 # 10006: ignoring unknown option -fno-signed-zeros
2969 # 10148: ignoring unknown option -Wno-parentheses
2970 # 10156: ignoring option '-W'; no argument required
2971 check_cflags -wd144,167,556,10006,10148,10156
2972 # 11030: Warning unknown option --as-needed
2973 # 10156: ignoring option '-export'; no argument required
2974 check_ldflags -wd10156,11030
2975 # Allow to compile with optimizations
2976 check_ldflags -march=$cpu
2977 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2978 enable ebp_available
2979 if enabled x86_32; then
2980 test ${icc_version%%.*} -ge 11 && \
2981 check_cflags -falign-stack=maintain-16-byte || \
2982 disable aligned_stack
2983 fi
2984 elif enabled ccc; then
2985 # disable some annoying warnings
2986 add_cflags -msg_disable cvtu32to64
2987 add_cflags -msg_disable embedcomment
2988 add_cflags -msg_disable needconstext
2989 add_cflags -msg_disable nomainieee
2990 add_cflags -msg_disable ptrmismatch1
2991 add_cflags -msg_disable unreachcode
2992 elif enabled gcc; then
2993 check_cflags -fno-tree-vectorize
2994 check_cflags -Werror=implicit-function-declaration
2995 check_cflags -Werror=missing-prototypes
2996 elif enabled llvm_gcc; then
2997 check_cflags -mllvm -stack-alignment=16
2998 elif enabled clang; then
2999 check_cflags -mllvm -stack-alignment=16
3000 check_cflags -Qunused-arguments
3001 elif enabled armcc; then
3002 # 2523: use of inline assembler is deprecated
3003 add_cflags -W${armcc_opt},--diag_suppress=2523
3004 add_cflags -W${armcc_opt},--diag_suppress=1207
3005 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3006 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3007 elif enabled tms470; then
3008 add_cflags -pds=824 -pds=837
3009 elif enabled pathscale; then
3010 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3011 fi
3012
3013 enabled_any $THREADS_LIST && enable threads
3014
3015 check_deps $CONFIG_LIST \
3016 $CONFIG_EXTRA \
3017 $HAVE_LIST \
3018 $DECODER_LIST \
3019 $ENCODER_LIST \
3020 $HWACCEL_LIST \
3021 $PARSER_LIST \
3022 $BSF_LIST \
3023 $DEMUXER_LIST \
3024 $MUXER_LIST \
3025 $FILTER_LIST \
3026 $INDEV_LIST \
3027 $OUTDEV_LIST \
3028 $PROTOCOL_LIST \
3029 $ACODEC_TESTS \
3030 $VCODEC_TESTS \
3031 $LAVF_TESTS \
3032 $LAVFI_TESTS \
3033 $SEEK_TESTS \
3034
3035 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3036
3037 echo "install prefix $prefix"
3038 echo "source path $source_path"
3039 echo "C compiler $cc"
3040 echo "ARCH $arch ($cpu)"
3041 if test "$build_suffix" != ""; then
3042 echo "build suffix $build_suffix"
3043 fi
3044 if test "$extra_version" != ""; then
3045 echo "version string suffix $extra_version"
3046 fi
3047 echo "big-endian ${bigendian-no}"
3048 echo "runtime cpu detection ${runtime_cpudetect-no}"
3049 if enabled x86; then
3050 echo "yasm ${yasm-no}"
3051 echo "MMX enabled ${mmx-no}"
3052 echo "MMX2 enabled ${mmx2-no}"
3053 echo "3DNow! enabled ${amd3dnow-no}"
3054 echo "3DNow! extended enabled ${amd3dnowext-no}"
3055 echo "SSE enabled ${sse-no}"
3056 echo "SSSE3 enabled ${ssse3-no}"
3057 echo "CMOV enabled ${cmov-no}"
3058 echo "CMOV is fast ${fast_cmov-no}"
3059 echo "EBX available ${ebx_available-no}"
3060 echo "EBP available ${ebp_available-no}"
3061 echo "10 operands supported ${ten_operands-no}"
3062 fi
3063 if enabled arm; then
3064 echo "ARMv5TE enabled ${armv5te-no}"
3065 echo "ARMv6 enabled ${armv6-no}"
3066 echo "ARMv6T2 enabled ${armv6t2-no}"
3067 echo "ARM VFP enabled ${armvfp-no}"
3068 echo "IWMMXT enabled ${iwmmxt-no}"
3069 echo "NEON enabled ${neon-no}"
3070 fi
3071 if enabled mips; then
3072 echo "MMI enabled ${mmi-no}"
3073 fi
3074 if enabled ppc; then
3075 echo "AltiVec enabled ${altivec-no}"
3076 echo "PPC 4xx optimizations ${ppc4xx-no}"
3077 echo "dcbzl available ${dcbzl-no}"
3078 fi
3079 if enabled sparc; then
3080 echo "VIS enabled ${vis-no}"
3081 fi
3082 echo "debug symbols ${debug-no}"
3083 echo "strip symbols ${stripping-no}"
3084 echo "optimizations ${optimizations-no}"
3085 echo "static ${static-no}"
3086 echo "shared ${shared-no}"
3087 echo "postprocessing support ${postproc-no}"
3088 echo "new filter support ${avfilter-no}"
3089 echo "network support ${network-no}"
3090 echo "threading support ${thread_type-no}"
3091 echo "SDL support ${sdl-no}"
3092 echo "Sun medialib support ${mlib-no}"
3093 echo "AVISynth enabled ${avisynth-no}"
3094 echo "frei0r enabled ${frei0r-no}"
3095 echo "libdc1394 support ${libdc1394-no}"
3096 echo "libdirac enabled ${libdirac-no}"
3097 echo "libfaac enabled ${libfaac-no}"
3098 echo "libgsm enabled ${libgsm-no}"
3099 echo "libmp3lame enabled ${libmp3lame-no}"
3100 echo "libnut enabled ${libnut-no}"
3101 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3102 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3103 echo "libopencv support ${libopencv-no}"
3104 echo "libopenjpeg enabled ${libopenjpeg-no}"
3105 echo "librtmp enabled ${librtmp-no}"
3106 echo "libschroedinger enabled ${libschroedinger-no}"
3107 echo "libspeex enabled ${libspeex-no}"
3108 echo "libtheora enabled ${libtheora-no}"
3109 echo "libvorbis enabled ${libvorbis-no}"
3110 echo "libvpx enabled ${libvpx-no}"
3111 echo "libx264 enabled ${libx264-no}"
3112 echo "libxavs enabled ${libxavs-no}"
3113 echo "libxvid enabled ${libxvid-no}"
3114 echo "zlib enabled ${zlib-no}"
3115 echo "bzlib enabled ${bzlib-no}"
3116 echo
3117
3118 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3119 echo "Enabled ${type}s:"
3120 eval list=\$$(toupper $type)_LIST
3121 print_enabled '_*' $list | sort | pr -3 -t
3122 echo
3123 done
3124
3125 license="LGPL version 2.1 or later"
3126 if enabled nonfree; then
3127 license="nonfree and unredistributable"
3128 elif enabled gplv3; then
3129 license="GPL version 3 or later"
3130 elif enabled lgplv3; then
3131 license="LGPL version 3 or later"
3132 elif enabled gpl; then
3133 license="GPL version 2 or later"
3134 fi
3135
3136 echo "License: $license"
3137
3138 echo "Creating config.mak and config.h..."
3139
3140 # build tree in object directory if source path is different from current one
3141 if enabled source_path_used; then
3142 DIRS="
3143 doc
3144 libavcodec
3145 libavcodec/$arch
3146 libavcore
3147 libavdevice
3148 libavfilter
3149 libavfilter/$arch
3150 libavformat
3151 libavutil
3152 libavutil/$arch
3153 libpostproc
3154 libswscale
3155 libswscale/$arch
3156 tests
3157 tools
3158 "
3159 FILES="
3160 Makefile
3161 common.mak
3162 subdir.mak
3163 doc/texi2pod.pl
3164 libavcodec/Makefile
3165 libavcodec/${arch}/Makefile
3166 libavcore/Makefile
3167 libavdevice/Makefile
3168 libavfilter/Makefile
3169 libavfilter/${arch}/Makefile
3170 libavformat/Makefile
3171 libavutil/Makefile
3172 libpostproc/Makefile
3173 libswscale/Makefile
3174 "
3175 map 'mkdir -p $v' $DIRS;
3176 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3177 fi
3178
3179 enabled stripping || strip="echo skipping strip"
3180
3181 config_files="$TMPH config.mak"
3182
3183 cat > config.mak <<EOF
3184 # Automatically generated by configure - do not modify!
3185 ifndef FFMPEG_CONFIG_MAK
3186 FFMPEG_CONFIG_MAK=1
3187 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3188 prefix=$prefix
3189 LIBDIR=\$(DESTDIR)$libdir
3190 SHLIBDIR=\$(DESTDIR)$shlibdir
3191 INCDIR=\$(DESTDIR)$incdir
3192 BINDIR=\$(DESTDIR)$bindir
3193 DATADIR=\$(DESTDIR)$datadir
3194 MANDIR=\$(DESTDIR)$mandir
3195 SRC_PATH="$source_path"
3196 SRC_PATH_BARE=$source_path
3197 BUILD_ROOT="$PWD"
3198 CC_IDENT=$cc_ident
3199 ARCH=$arch
3200 CC=$cc
3201 AS=$as
3202 LD=$ld
3203 DEPCC=$dep_cc
3204 YASM=$yasmexe
3205 YASMDEP=$yasmexe
3206 AR=$ar
3207 RANLIB=$ranlib
3208 CP=cp -p
3209 LN_S=$ln_s
3210 STRIP=$strip
3211 CPPFLAGS=$CPPFLAGS
3212 CFLAGS=$CFLAGS
3213 ASFLAGS=$ASFLAGS
3214 CC_O=$CC_O
3215 LDFLAGS=$LDFLAGS
3216 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3217 SHFLAGS=$SHFLAGS
3218 YASMFLAGS=$YASMFLAGS
3219 BUILDSUF=$build_suffix
3220 FULLNAME=$FULLNAME
3221 LIBPREF=$LIBPREF
3222 LIBSUF=$LIBSUF
3223 LIBNAME=$LIBNAME
3224 SLIBPREF=$SLIBPREF
3225 SLIBSUF=$SLIBSUF
3226 EXESUF=$EXESUF
3227 EXTRA_VERSION=$extra_version
3228 DEPFLAGS=$DEPFLAGS
3229 CCDEP=$CCDEP
3230 ASDEP=$ASDEP
3231 CC_DEPFLAGS=$CC_DEPFLAGS
3232 AS_DEPFLAGS=$AS_DEPFLAGS
3233 HOSTCC=$host_cc
3234 HOSTCFLAGS=$host_cflags
3235 HOSTEXESUF=$HOSTEXESUF
3236 HOSTLDFLAGS=$host_ldflags
3237 HOSTLIBS=$host_libs
3238 TARGET_EXEC=$target_exec
3239 TARGET_PATH=$target_path
3240 SDL_LIBS=$sdl_libs
3241 SDL_CFLAGS=$sdl_cflags
3242 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3243 EXTRALIBS=$extralibs
3244 INSTALL=install
3245 LIBTARGET=${LIBTARGET}
3246 SLIBNAME=${SLIBNAME}
3247 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3248 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3249 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3250 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3251 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3252 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3253 SAMPLES=$samples
3254 EOF
3255
3256 get_version(){
3257 name=$1
3258 file=$source_path/$2
3259 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3260 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3261 lcname=$(tolower $name)
3262 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3263 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3264 }
3265
3266 get_version LIBSWSCALE libswscale/swscale.h
3267 get_version LIBPOSTPROC libpostproc/postprocess.h
3268 get_version LIBAVCODEC libavcodec/avcodec.h
3269 get_version LIBAVCORE libavcore/avcore.h
3270 get_version LIBAVDEVICE libavdevice/avdevice.h
3271 get_version LIBAVFORMAT libavformat/version.h
3272 get_version LIBAVUTIL libavutil/avutil.h
3273 get_version LIBAVFILTER libavfilter/avfilter.h
3274
3275 cat > $TMPH <<EOF
3276 /* Automatically generated by configure - do not modify! */
3277 #ifndef FFMPEG_CONFIG_H
3278 #define FFMPEG_CONFIG_H
3279 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3280 #define FFMPEG_LICENSE "$(c_escape $license)"
3281 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3282 #define CC_TYPE "$cc_type"
3283 #define CC_VERSION $cc_version
3284 #define restrict $_restrict
3285 #define EXTERN_PREFIX "${extern_prefix}"
3286 #define EXTERN_ASM ${extern_prefix}
3287 #define SLIBSUF "$SLIBSUF"
3288 EOF
3289
3290 test -n "$malloc_prefix" &&
3291 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3292
3293 if enabled small || disabled optimizations; then
3294 echo "#undef av_always_inline" >> $TMPH
3295 if enabled small; then
3296 echo "#define av_always_inline inline" >> $TMPH
3297 else
3298 echo "#define av_always_inline av_unused" >> $TMPH
3299 fi
3300 fi
3301
3302 if enabled yasm; then
3303 append config_files $TMPASM
3304 printf '' >$TMPASM
3305 fi
3306
3307 print_config ARCH_ "$config_files" $ARCH_LIST
3308 print_config HAVE_ "$config_files" $HAVE_LIST
3309 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3310 $CONFIG_EXTRA \
3311 $DECODER_LIST \
3312 $ENCODER_LIST \
3313 $HWACCEL_LIST \
3314 $PARSER_LIST \
3315 $BSF_LIST \
3316 $DEMUXER_LIST \
3317 $MUXER_LIST \
3318 $FILTER_LIST \
3319 $PROTOCOL_LIST \
3320 $INDEV_LIST \
3321 $OUTDEV_LIST \
3322
3323 cat >>config.mak <<EOF
3324 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3325 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3326 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3327 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3328 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3329 EOF
3330
3331 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3332 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3333
3334 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3335 cp_if_changed $TMPH config.h
3336 touch .config
3337
3338 enabled yasm && cp_if_changed $TMPASM config.asm
3339
3340 cat > $TMPH <<EOF
3341 /* Generated by ffconf */
3342 #ifndef AVUTIL_AVCONFIG_H
3343 #define AVUTIL_AVCONFIG_H
3344 EOF
3345
3346 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3347
3348 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3349
3350 cp_if_changed $TMPH libavutil/avconfig.h
3351
3352 test -n "$WARNINGS" && printf "\n$WARNINGS"
3353
3354 # build pkg-config files
3355
3356 pkgconfig_generate(){
3357 name=$1
3358 shortname=${name#lib}${build_suffix}
3359 comment=$2
3360 version=$3
3361 libs=$4
3362 requires=$5
3363 enabled ${name#lib} || return 0
3364 cat <<EOF > $name/$name.pc
3365 prefix=$prefix
3366 exec_prefix=\${prefix}
3367 libdir=$libdir
3368 includedir=$incdir
3369
3370 Name: $name
3371 Description: $comment
3372 Version: $version
3373 Requires: $(enabled shared || echo $requires)
3374 Requires.private: $(enabled shared && echo $requires)
3375 Conflicts:
3376 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3377 Libs.private: $(enabled shared && echo $libs)
3378 Cflags: -I\${includedir}
3379 EOF
3380 cat <<EOF > $name/$name-uninstalled.pc
3381 prefix=
3382 exec_prefix=
3383 libdir=\${pcfiledir}
3384 includedir=${source_path}
3385
3386 Name: $name
3387 Description: $comment
3388 Version: $version
3389 Requires: $requires
3390 Conflicts:
3391 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3392 Cflags: -I\${includedir}
3393 EOF
3394 }
3395
3396 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3397 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3398 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3399 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3400 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3401 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3402 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3403 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"