c9fb27886e95d3e41a54185d97806fd4dc025176
[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-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [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-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188 Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
198 --ar=AR use archive tool AR [$ar_default]
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --disable-asm disable all assembler optimizations
215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
232 --malloc-prefix=PFX prefix malloc and related names with PFX
233 --enable-sram allow use of on-chip SRAM
234
235 Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
241 --samples=PATH location of test samples for FATE
242
243 NOTE: Object files are built at the place where configure is launched.
244 EOF
245 exit 0
246 }
247
248 quotes='""'
249
250 log(){
251 echo "$@" >> $logfile
252 }
253
254 log_file(){
255 log BEGIN $1
256 pr -n -t $1 >> $logfile
257 log END $1
258 }
259
260 echolog(){
261 log "$@"
262 echo "$@"
263 }
264
265 warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268 }
269
270 die(){
271 echolog "$@"
272 cat <<EOF
273
274 If you think configure made a mistake, make sure you are using the latest
275 version from SVN. If the latest version fails, report the problem to the
276 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
277 EOF
278 if disabled logging; then
279 cat <<EOF
280 Rerun configure with logging enabled (do not use --disable-logging), and
281 include the log this produces with your report.
282 EOF
283 else
284 cat <<EOF
285 Include the log file "$logfile" produced by configure as this will help
286 solving the problem.
287 EOF
288 fi
289 exit 1
290 }
291
292 # Avoid locale weirdness, besides we really just want to translate ASCII.
293 toupper(){
294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
295 }
296
297 tolower(){
298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
299 }
300
301 c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303 }
304
305 sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309 }
310
311 filter(){
312 pat=$1
313 shift
314 for v; do
315 eval "case $v in $pat) echo $v ;; esac"
316 done
317 }
318
319 map(){
320 m=$1
321 shift
322 for v; do eval $m; done
323 }
324
325 set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331 }
332
333 set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339 }
340
341 pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347 }
348
349 popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358 }
359
360 enable(){
361 set_all yes $*
362 }
363
364 disable(){
365 set_all no $*
366 }
367
368 enable_weak(){
369 set_weak yes $*
370 }
371
372 disable_weak(){
373 set_weak no $*
374 }
375
376 enable_safe(){
377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
380 }
381
382 disable_safe(){
383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
386 }
387
388 do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
394 enable_deep $sel
395 popvar sgs
396 enable_deep_weak $sgs
397 popvar var
398 done
399 }
400
401 enable_deep(){
402 do_enable_deep $*
403 enable $*
404 }
405
406 enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409 }
410
411 enabled(){
412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
414 }
415
416 disabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
419 }
420
421 enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425 }
426
427 disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431 }
432
433 enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437 }
438
439 disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
443 return 1
444 }
445
446 set_default(){
447 for opt; do
448 eval : \${$opt:=\$${opt}_default}
449 done
450 }
451
452 is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459 }
460
461 check_deps(){
462 for cfg; do
463 cfg="${cfg#!}"
464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
470 eval dep_sel="\$${cfg}_select"
471 eval dep_sgs="\$${cfg}_suggest"
472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
474
475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478
479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
483 disabled_any $dep_sel && disable $cfg
484
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
488 enable_deep $dep_sel
489 enable_deep_weak $dep_sgs
490 fi
491
492 disable ${cfg}_checking
493 done
494 }
495
496 print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
502 ucname="$(toupper $cfg)"
503 if enabled $cfg; then
504 echo "#define ${pfx}${ucname} 1" >> $header
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
507 echo "#define ${pfx}${ucname} 0" >> $header
508 echo "!${pfx}${ucname}=yes" >> $makefile
509 fi
510 done
511 }
512
513 append(){
514 var=$1
515 shift
516 eval "$var=\"\$$var $*\""
517 }
518
519 prepend(){
520 var=$1
521 shift
522 eval "$var=\"$* \$$var\""
523 }
524
525 add_cppflags(){
526 append CPPFLAGS $($filter_cppflags "$@")
527 }
528
529 add_cflags(){
530 append CFLAGS $($filter_cflags "$@")
531 }
532
533 add_asflags(){
534 append ASFLAGS $($filter_asflags "$@")
535 }
536
537 add_ldflags(){
538 append LDFLAGS "$@"
539 }
540
541 add_extralibs(){
542 prepend extralibs "$@"
543 }
544
545 check_cmd(){
546 log "$@"
547 "$@" >> $logfile 2>&1
548 }
549
550 check_cc(){
551 log check_cc "$@"
552 cat > $TMPC
553 log_file $TMPC
554 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
555 }
556
557 check_cpp(){
558 log check_cpp "$@"
559 cat > $TMPC
560 log_file $TMPC
561 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
562 }
563
564 check_as(){
565 log check_as "$@"
566 cat > $TMPC
567 log_file $TMPC
568 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
569 }
570
571 check_asm(){
572 log check_asm "$@"
573 name="$1"
574 code="$2"
575 shift 2
576 disable $name
577 check_as "$@" <<EOF && enable $name
578 void foo(void){ __asm__ volatile($code); }
579 EOF
580 }
581
582 check_yasm(){
583 log check_yasm "$@"
584 echo "$1" > $TMPS
585 log_file $TMPS
586 shift 1
587 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
588 }
589
590 check_ld(){
591 log check_ld "$@"
592 flags=''
593 libs=''
594 for f; do
595 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596 done
597 check_cc $($filter_cflags $flags) || return
598 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
599 }
600
601 check_cppflags(){
602 log check_cppflags "$@"
603 set -- $($filter_cppflags "$@")
604 check_cc "$@" <<EOF && append CPPFLAGS "$@"
605 int x;
606 EOF
607 }
608
609 check_cflags(){
610 log check_cflags "$@"
611 set -- $($filter_cflags "$@")
612 check_cc "$@" <<EOF && append CFLAGS "$@"
613 int x;
614 EOF
615 }
616
617 test_ldflags(){
618 log test_ldflags "$@"
619 check_ld "$@" <<EOF
620 int main(void){ return 0; }
621 EOF
622 }
623
624 check_ldflags(){
625 log check_ldflags "$@"
626 test_ldflags "$@" && add_ldflags "$@"
627 }
628
629 check_header(){
630 log check_header "$@"
631 header=$1
632 shift
633 disable_safe $header
634 check_cpp "$@" <<EOF && enable_safe $header
635 #include <$header>
636 int x;
637 EOF
638 }
639
640 check_func(){
641 log check_func "$@"
642 func=$1
643 shift
644 disable $func
645 check_ld "$@" <<EOF && enable $func
646 extern int $func();
647 int main(void){ $func(); }
648 EOF
649 }
650
651 check_mathfunc(){
652 log check_mathfunc "$@"
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657 #include <math.h>
658 float foo(float f) { return $func(f); }
659 int main(void){ return 0; }
660 EOF
661 }
662
663 check_func_headers(){
664 log check_func_headers "$@"
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672 #include <$hdr>"
673 done
674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
675 $incs
676 int main(int argc, char **argv){
677 return (long) $func;
678 }
679 EOF
680 }
681
682 check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
688 #include <$header>
689 #if !($condition)
690 #error "unsatisfied condition: $condition"
691 #endif
692 EOF
693 }
694
695 check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
700 check_header $header && check_func $func "$@" && add_extralibs "$@"
701 }
702
703 check_lib2(){
704 log check_lib2 "$@"
705 headers="$1"
706 func="$2"
707 shift 2
708 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
709 }
710
711 check_exec(){
712 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
713 }
714
715 check_exec_crash(){
716 code=$(cat)
717
718 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
719 # are safe but may not be available everywhere. Thus we use
720 # raise(SIGTERM) instead. The check is run in a subshell so we
721 # can redirect the "Terminated" message from the shell. SIGBUS
722 # is not defined by standard C so it is used conditionally.
723
724 (check_exec "$@") >> $logfile 2>&1 <<EOF
725 #include <signal.h>
726 static void sighandler(int sig){
727 raise(SIGTERM);
728 }
729 int main(void){
730 signal(SIGILL, sighandler);
731 signal(SIGFPE, sighandler);
732 signal(SIGSEGV, sighandler);
733 #ifdef SIGBUS
734 signal(SIGBUS, sighandler);
735 #endif
736 { $code }
737 }
738 EOF
739 }
740
741 check_type(){
742 log check_type "$@"
743 headers=$1
744 type=$2
745 shift 2
746 disable_safe "$type"
747 incs=""
748 for hdr in $headers; do
749 incs="$incs
750 #include <$hdr>"
751 done
752 check_cc "$@" <<EOF && enable_safe "$type"
753 $incs
754 $type v;
755 EOF
756 }
757
758 check_struct(){
759 log check_type "$@"
760 headers=$1
761 struct=$2
762 member=$3
763 shift 3
764 disable_safe "${struct}_${member}"
765 incs=""
766 for hdr in $headers; do
767 incs="$incs
768 #include <$hdr>"
769 done
770 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
771 $incs
772 const void *p = &(($struct *)0)->$member;
773 EOF
774 }
775
776 require(){
777 name="$1"
778 header="$2"
779 func="$3"
780 shift 3
781 check_lib $header $func "$@" || die "ERROR: $name not found"
782 }
783
784 require2(){
785 name="$1"
786 headers="$2"
787 func="$3"
788 shift 3
789 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
790 }
791
792 check_host_cc(){
793 log check_host_cc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
797 }
798
799 check_host_cflags(){
800 log check_host_cflags "$@"
801 check_host_cc "$@" <<EOF && append host_cflags "$@"
802 int x;
803 EOF
804 }
805
806 apply(){
807 file=$1
808 shift
809 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
810 }
811
812 cp_if_changed(){
813 cmp -s "$1" "$2" &&
814 echo "$2 is unchanged" ||
815 cp -f "$1" "$2"
816 }
817
818 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
819 # system-dependent things.
820
821 COMPONENT_LIST="
822 bsfs
823 decoders
824 demuxers
825 encoders
826 filters
827 hwaccels
828 indevs
829 muxers
830 outdevs
831 parsers
832 protocols
833 "
834
835 CONFIG_LIST="
836 $COMPONENT_LIST
837 aandct
838 avcodec
839 avdevice
840 avfilter
841 avfilter_lavf
842 avformat
843 avisynth
844 bzlib
845 dct
846 doc
847 dwt
848 dxva2
849 fastdiv
850 ffmpeg
851 ffplay
852 ffprobe
853 ffserver
854 fft
855 golomb
856 gpl
857 gray
858 h264dsp
859 hardcoded_tables
860 libdc1394
861 libdirac
862 libfaac
863 libgsm
864 libmp3lame
865 libnut
866 libopencore_amrnb
867 libopencore_amrwb
868 libopenjpeg
869 librtmp
870 libschroedinger
871 libspeex
872 libtheora
873 libvorbis
874 libvpx
875 libx264
876 libxvid
877 lpc
878 lsp
879 mdct
880 memalign_hack
881 mlib
882 mpegaudio_hp
883 network
884 nonfree
885 pic
886 postproc
887 rdft
888 runtime_cpudetect
889 shared
890 small
891 sram
892 static
893 swscale
894 swscale_alpha
895 vaapi
896 vdpau
897 version3
898 x11grab
899 zlib
900 "
901
902 THREADS_LIST='
903 pthreads
904 w32threads
905 '
906
907 ARCH_LIST='
908 alpha
909 arm
910 avr32
911 avr32_ap
912 avr32_uc
913 bfin
914 ia64
915 m68k
916 mips
917 mips64
918 parisc
919 ppc
920 ppc64
921 s390
922 sh4
923 sparc
924 sparc64
925 tomi
926 x86
927 x86_32
928 x86_64
929 '
930
931 ARCH_EXT_LIST='
932 altivec
933 amd3dnow
934 amd3dnowext
935 armv5te
936 armv6
937 armv6t2
938 armvfp
939 iwmmxt
940 mmi
941 mmx
942 mmx2
943 neon
944 ppc4xx
945 sse
946 ssse3
947 vis
948 '
949
950 HAVE_LIST_PUB='
951 bigendian
952 '
953
954 HAVE_LIST="
955 $ARCH_EXT_LIST
956 $HAVE_LIST_PUB
957 $THREADS_LIST
958 alsa_asoundlib_h
959 altivec_h
960 arpa_inet_h
961 attribute_may_alias
962 attribute_packed
963 bswap
964 closesocket
965 cmov
966 conio_h
967 dcbzl
968 dev_bktr_ioctl_bt848_h
969 dev_bktr_ioctl_meteor_h
970 dev_ic_bt8xx_h
971 dev_video_meteor_ioctl_meteor_h
972 dev_video_bktr_ioctl_bt848_h
973 dlfcn_h
974 dlopen
975 dos_paths
976 ebp_available
977 ebx_available
978 exp2
979 exp2f
980 fast_64bit
981 fast_clz
982 fast_cmov
983 fast_unaligned
984 fcntl
985 fork
986 getaddrinfo
987 gethrtime
988 GetProcessMemoryInfo
989 GetProcessTimes
990 getrusage
991 struct_rusage_ru_maxrss
992 ibm_asm
993 inet_aton
994 inline_asm
995 isatty
996 ldbrx
997 libdc1394_1
998 libdc1394_2
999 llrint
1000 llrintf
1001 local_aligned_16
1002 local_aligned_8
1003 log2
1004 log2f
1005 loongson
1006 lrint
1007 lrintf
1008 lzo1x_999_compress
1009 machine_ioctl_bt848_h
1010 machine_ioctl_meteor_h
1011 malloc_h
1012 memalign
1013 mkstemp
1014 pld
1015 posix_memalign
1016 round
1017 roundf
1018 sdl
1019 sdl_video_size
1020 setmode
1021 socklen_t
1022 soundcard_h
1023 poll_h
1024 setrlimit
1025 strerror_r
1026 struct_addrinfo
1027 struct_ipv6_mreq
1028 struct_sockaddr_in6
1029 struct_sockaddr_sa_len
1030 struct_sockaddr_storage
1031 symver
1032 symver_gnu_asm
1033 symver_asm_label
1034 sys_mman_h
1035 sys_resource_h
1036 sys_select_h
1037 sys_soundcard_h
1038 sys_videoio_h
1039 ten_operands
1040 termios_h
1041 threads
1042 truncf
1043 vfp_args
1044 VirtualAlloc
1045 winsock2_h
1046 xform_asm
1047 yasm
1048 "
1049
1050 # options emitted with CONFIG_ prefix but not available on command line
1051 CONFIG_EXTRA="
1052 avutil
1053 gplv3
1054 lgplv3
1055 "
1056
1057 CMDLINE_SELECT="
1058 $ARCH_EXT_LIST
1059 $CONFIG_LIST
1060 $THREADS_LIST
1061 asm
1062 cross_compile
1063 debug
1064 extra_warnings
1065 logging
1066 optimizations
1067 stripping
1068 yasm
1069 "
1070
1071 PATHS_LIST='
1072 bindir
1073 datadir
1074 incdir
1075 libdir
1076 mandir
1077 prefix
1078 shlibdir
1079 '
1080
1081 CMDLINE_SET="
1082 $PATHS_LIST
1083 ar
1084 arch
1085 as
1086 build_suffix
1087 cc
1088 cpu
1089 cross_prefix
1090 dep_cc
1091 extra_version
1092 host_cc
1093 host_cflags
1094 host_ldflags
1095 host_libs
1096 host_os
1097 ld
1098 logfile
1099 malloc_prefix
1100 nm
1101 samples
1102 source_path
1103 strip
1104 sysinclude
1105 sysroot
1106 target_exec
1107 target_os
1108 target_path
1109 "
1110
1111 CMDLINE_APPEND="
1112 extra_cflags
1113 "
1114
1115 # code dependency declarations
1116
1117 # architecture extensions
1118
1119 armv5te_deps="arm"
1120 armv6_deps="arm"
1121 armv6t2_deps="arm"
1122 armvfp_deps="arm"
1123 iwmmxt_deps="arm"
1124 neon_deps="arm"
1125
1126 mmi_deps="mips"
1127
1128 altivec_deps="ppc"
1129 ppc4xx_deps="ppc"
1130
1131 vis_deps="sparc"
1132
1133 x86_64_suggest="cmov fast_cmov"
1134 amd3dnow_deps="mmx"
1135 amd3dnowext_deps="amd3dnow"
1136 mmx_deps="x86"
1137 mmx2_deps="mmx"
1138 sse_deps="mmx"
1139 ssse3_deps="sse"
1140
1141 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143 fast_unaligned_if_any="armv6 ppc x86"
1144
1145 need_memalign="altivec neon sse"
1146 inline_asm_deps="!tms470"
1147
1148 symver_if_any="symver_asm_label symver_gnu_asm"
1149
1150 # subsystems
1151 mdct_select="fft"
1152 rdft_select="fft"
1153
1154 # decoders / encoders / hardware accelerators
1155 aac_decoder_select="mdct rdft aac_parser"
1156 aac_encoder_select="mdct"
1157 ac3_decoder_select="mdct ac3_parser"
1158 alac_encoder_select="lpc"
1159 amrnb_decoder_select="lsp"
1160 atrac1_decoder_select="mdct"
1161 atrac3_decoder_select="mdct"
1162 binkaudio_dct_decoder_select="mdct rdft dct"
1163 binkaudio_rdft_decoder_select="mdct rdft"
1164 cavs_decoder_select="golomb"
1165 cook_decoder_select="mdct"
1166 cscd_decoder_suggest="zlib"
1167 dca_decoder_select="mdct"
1168 dnxhd_encoder_select="aandct"
1169 dxa_decoder_select="zlib"
1170 eac3_decoder_select="ac3_decoder"
1171 eamad_decoder_select="aandct"
1172 eatgq_decoder_select="aandct"
1173 eatqi_decoder_select="aandct"
1174 ffv1_decoder_select="golomb"
1175 flac_decoder_select="golomb"
1176 flac_encoder_select="golomb lpc"
1177 flashsv_decoder_select="zlib"
1178 flashsv_encoder_select="zlib"
1179 flv_decoder_select="h263_decoder"
1180 flv_encoder_select="h263_encoder"
1181 h261_encoder_select="aandct"
1182 h263_decoder_select="h263_parser"
1183 h263_encoder_select="aandct"
1184 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1185 h263i_decoder_select="h263_decoder"
1186 h263p_encoder_select="h263_encoder"
1187 h264_decoder_select="golomb h264dsp"
1188 h264_dxva2_hwaccel_deps="dxva2api_h"
1189 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1190 h264_vaapi_hwaccel_select="vaapi"
1191 h264_vdpau_decoder_select="vdpau h264_decoder"
1192 imc_decoder_select="fft mdct"
1193 jpegls_decoder_select="golomb"
1194 jpegls_encoder_select="golomb"
1195 ljpeg_encoder_select="aandct"
1196 loco_decoder_select="golomb"
1197 mjpeg_encoder_select="aandct"
1198 mlp_decoder_select="mlp_parser"
1199 mp1float_decoder_select="dct"
1200 mp2float_decoder_select="dct"
1201 mp3adufloat_decoder_select="dct"
1202 mp3float_decoder_select="dct"
1203 mp3on4float_decoder_select="dct"
1204 mpeg1video_encoder_select="aandct"
1205 mpeg2video_encoder_select="aandct"
1206 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1207 mpeg4_encoder_select="h263_encoder"
1208 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1209 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1210 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1211 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1212 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1213 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1214 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1215 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1216 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1217 msmpeg4v1_decoder_select="h263_decoder"
1218 msmpeg4v1_encoder_select="h263_encoder"
1219 msmpeg4v2_decoder_select="h263_decoder"
1220 msmpeg4v2_encoder_select="h263_encoder"
1221 msmpeg4v3_decoder_select="h263_decoder"
1222 msmpeg4v3_encoder_select="h263_encoder"
1223 nellymoser_decoder_select="mdct"
1224 nellymoser_encoder_select="mdct"
1225 png_decoder_select="zlib"
1226 png_encoder_select="zlib"
1227 qcelp_decoder_select="lsp"
1228 qdm2_decoder_select="mdct rdft"
1229 ra_144_encoder_select="lpc"
1230 rv10_decoder_select="h263_decoder"
1231 rv10_encoder_select="h263_encoder"
1232 rv20_decoder_select="h263_decoder"
1233 rv20_encoder_select="h263_encoder"
1234 rv30_decoder_select="golomb h264dsp"
1235 rv40_decoder_select="golomb h264dsp"
1236 shorten_decoder_select="golomb"
1237 sipr_decoder_select="lsp"
1238 snow_decoder_select="dwt"
1239 snow_encoder_select="aandct dwt"
1240 sonic_decoder_select="golomb"
1241 sonic_encoder_select="golomb"
1242 sonic_ls_encoder_select="golomb"
1243 svq1_encoder_select="aandct"
1244 svq3_decoder_select="golomb h264dsp"
1245 svq3_decoder_suggest="zlib"
1246 theora_decoder_select="vp3_decoder"
1247 tiff_decoder_suggest="zlib"
1248 tiff_encoder_suggest="zlib"
1249 truehd_decoder_select="mlp_decoder"
1250 tscc_decoder_select="zlib"
1251 twinvq_decoder_select="mdct lsp"
1252 vc1_decoder_select="h263_decoder"
1253 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1254 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1255 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1256 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1257 vorbis_decoder_select="mdct"
1258 vorbis_encoder_select="mdct"
1259 vp6a_decoder_select="vp6_decoder"
1260 vp6f_decoder_select="vp6_decoder"
1261 vp8_decoder_select="h264dsp"
1262 wmapro_decoder_select="mdct"
1263 wmav1_decoder_select="mdct"
1264 wmav1_encoder_select="mdct"
1265 wmav2_decoder_select="mdct"
1266 wmav2_encoder_select="mdct"
1267 wmavoice_decoder_select="lsp rdft dct"
1268 wmv1_decoder_select="h263_decoder"
1269 wmv1_encoder_select="h263_encoder"
1270 wmv2_decoder_select="h263_decoder"
1271 wmv2_encoder_select="h263_encoder"
1272 wmv3_decoder_select="vc1_decoder"
1273 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1274 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1275 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1276 zlib_decoder_select="zlib"
1277 zlib_encoder_select="zlib"
1278 zmbv_decoder_select="zlib"
1279 zmbv_encoder_select="zlib"
1280
1281 vaapi_deps="va_va_h"
1282 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1283
1284 # parsers
1285 h264_parser_select="golomb h264dsp"
1286
1287 # bitstream_filters
1288 aac_adtstoasc_bsf_select="aac_parser"
1289
1290 # external libraries
1291 libdirac_decoder_deps="libdirac !libschroedinger"
1292 libdirac_encoder_deps="libdirac"
1293 libfaac_encoder_deps="libfaac"
1294 libgsm_decoder_deps="libgsm"
1295 libgsm_encoder_deps="libgsm"
1296 libgsm_ms_decoder_deps="libgsm"
1297 libgsm_ms_encoder_deps="libgsm"
1298 libmp3lame_encoder_deps="libmp3lame"
1299 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1300 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1301 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1302 libopenjpeg_decoder_deps="libopenjpeg"
1303 libschroedinger_decoder_deps="libschroedinger"
1304 libschroedinger_encoder_deps="libschroedinger"
1305 libspeex_decoder_deps="libspeex"
1306 libtheora_encoder_deps="libtheora"
1307 libvorbis_encoder_deps="libvorbis"
1308 libvpx_decoder_deps="libvpx"
1309 libvpx_encoder_deps="libvpx"
1310 libx264_encoder_deps="libx264"
1311 libxvid_encoder_deps="libxvid"
1312
1313 # demuxers / muxers
1314 ac3_demuxer_deps="ac3_parser"
1315 asf_stream_muxer_select="asf_muxer"
1316 avisynth_demuxer_deps="avisynth"
1317 dirac_demuxer_deps="dirac_parser"
1318 eac3_demuxer_select="ac3_parser"
1319 ipod_muxer_select="mov_muxer"
1320 libnut_demuxer_deps="libnut"
1321 libnut_muxer_deps="libnut"
1322 matroska_audio_muxer_select="matroska_muxer"
1323 matroska_demuxer_suggest="zlib bzlib"
1324 mov_demuxer_suggest="zlib"
1325 mp3_demuxer_deps="mpegaudio_parser"
1326 mp4_muxer_select="mov_muxer"
1327 mpegtsraw_demuxer_select="mpegts_demuxer"
1328 mxf_d10_muxer_select="mxf_muxer"
1329 ogg_demuxer_select="golomb"
1330 psp_muxer_select="mov_muxer"
1331 rtsp_demuxer_deps="sdp_demuxer"
1332 rtsp_muxer_deps="sdp_demuxer"
1333 rtsp_muxer_select="rtp_muxer"
1334 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1335 sdp_demuxer_select="asf_demuxer rm_demuxer"
1336 spdif_muxer_select="aac_parser"
1337 tg2_muxer_select="mov_muxer"
1338 tgp_muxer_select="mov_muxer"
1339 w64_demuxer_deps="wav_demuxer"
1340
1341 # indevs / outdevs
1342 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1343 alsa_indev_extralibs="-lasound"
1344 alsa_outdev_deps="alsa_asoundlib_h"
1345 alsa_outdev_extralibs="-lasound"
1346 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1347 dv1394_indev_deps="dv1394 dv_demuxer"
1348 jack_indev_deps="jack_jack_h"
1349 jack_indev_extralibs="-ljack"
1350 libdc1394_indev_deps="libdc1394"
1351 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1352 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1353 v4l_indev_deps="linux_videodev_h"
1354 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1355 vfwcap_indev_deps="capCreateCaptureWindow"
1356 vfwcap_indev_extralibs="-lavicap32"
1357 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1358 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1359
1360 # protocols
1361 gopher_protocol_deps="network"
1362 http_protocol_deps="network"
1363 http_protocol_select="tcp_protocol"
1364 mmst_protocol_deps="network"
1365 rtmp_protocol_select="tcp_protocol"
1366 rtp_protocol_select="udp_protocol"
1367 tcp_protocol_deps="network"
1368 udp_protocol_deps="network"
1369
1370 # filters
1371 movie_filter_deps="avfilter_lavf"
1372 avfilter_lavf_deps="avformat"
1373
1374 # libraries
1375 avdevice_deps="avcodec avformat"
1376 avformat_deps="avcodec"
1377
1378 # programs
1379 ffmpeg_deps="avcodec avformat swscale"
1380 ffmpeg_select="buffer_filter"
1381 ffplay_deps="avcodec avformat swscale sdl"
1382 ffplay_select="rdft"
1383 ffprobe_deps="avcodec avformat"
1384 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1385 ffserver_extralibs='$ldl'
1386
1387 doc_deps="texi2html"
1388
1389 # default parameters
1390
1391 logfile="config.log"
1392
1393 # installation paths
1394 prefix_default="/usr/local"
1395 bindir_default='${prefix}/bin'
1396 datadir_default='${prefix}/share/ffmpeg'
1397 incdir_default='${prefix}/include'
1398 libdir_default='${prefix}/lib'
1399 mandir_default='${prefix}/share/man'
1400 shlibdir_default="$libdir_default"
1401
1402 # toolchain
1403 ar_default="ar"
1404 cc_default="gcc"
1405 cc_version=\"unknown\"
1406 host_cc_default="gcc"
1407 ln_s="ln -sf"
1408 nm_default="nm"
1409 objformat="elf"
1410 ranlib="ranlib"
1411 strip_default="strip"
1412 yasmexe="yasm"
1413
1414 nm_opts='-g'
1415
1416 # machine
1417 arch_default=$(uname -m)
1418 cpu="generic"
1419
1420 # OS
1421 target_os_default=$(tolower $(uname -s))
1422 host_os=$target_os_default
1423
1424 # configurable options
1425 enable avcodec
1426 enable avdevice
1427 enable avfilter
1428 enable avformat
1429 enable avutil
1430 enable asm
1431 enable debug
1432 enable doc
1433 enable fastdiv
1434 enable ffmpeg
1435 enable ffplay
1436 enable ffprobe
1437 enable ffserver
1438 enable mpegaudio_hp
1439 enable network
1440 enable optimizations
1441 enable protocols
1442 enable static
1443 enable stripping
1444 enable swscale
1445 enable swscale_alpha
1446
1447 # build settings
1448 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1449 FFSERVERLDFLAGS=-Wl,-E
1450 LIBPREF="lib"
1451 LIBSUF=".a"
1452 FULLNAME='$(NAME)$(BUILDSUF)'
1453 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1454 SLIBPREF="lib"
1455 SLIBSUF=".so"
1456 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1457 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1458 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1459 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1460
1461 CC_O='-o $@'
1462
1463 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1464 host_libs='-lm'
1465
1466 target_path='$(CURDIR)'
1467
1468 # since the object filename is not given with the -MM flag, the compiler
1469 # is only able to print the basename, and we must add the path ourselves
1470 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1471 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1472
1473 # find source path
1474 source_path="$(dirname "$0")"
1475 enable source_path_used
1476 if test -f configure; then
1477 source_path="$(pwd)"
1478 disable source_path_used
1479 else
1480 source_path="$(cd "$source_path"; pwd)"
1481 echo "$source_path" | grep -q '[[:blank:]]' &&
1482 die "Out of tree builds are impossible with whitespace in source path."
1483 test -e "$source_path/config.h" &&
1484 die "Out of tree builds are impossible with config.h in source dir."
1485 fi
1486
1487 for v in "$@"; do
1488 r=${v#*=}
1489 l=${v%"$r"}
1490 r=$(sh_quote "$r")
1491 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1492 done
1493
1494 find_things(){
1495 thing=$1
1496 pattern=$2
1497 file=$source_path/$3
1498 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1499 }
1500
1501 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1502 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1503 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1504 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1505 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1506 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1507 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1508 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1509 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1510 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1511 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1512
1513 for n in $COMPONENT_LIST; do
1514 v=$(toupper ${n%s})_LIST
1515 eval enable \$$v
1516 eval ${n}_if_any="\$$v"
1517 done
1518
1519 enable $ARCH_EXT_LIST
1520
1521 die_unknown(){
1522 echo "Unknown option \"$1\"."
1523 echo "See $0 --help for available options."
1524 exit 1
1525 }
1526
1527 show_list() {
1528 suffix=_$1
1529 shift
1530 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1531 exit 0
1532 }
1533
1534 for opt do
1535 optval="${opt#*=}"
1536 case "$opt" in
1537 --extra-ldflags=*) add_ldflags $optval
1538 ;;
1539 --extra-libs=*) add_extralibs $optval
1540 ;;
1541 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1542 ;;
1543 --enable-debug=*) debuglevel="$optval"
1544 ;;
1545 --disable-everything)
1546 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1547 ;;
1548 --enable-*=*|--disable-*=*)
1549 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1550 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1551 eval list=\$$(toupper $thing)_LIST
1552 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1553 $action $(filter "$name" $list)
1554 ;;
1555 --enable-?*|--disable-?*)
1556 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1557 if is_in $option $COMPONENT_LIST; then
1558 test $action = disable && action=unset
1559 eval $action \$$(toupper ${option%s})_LIST
1560 elif is_in $option $CMDLINE_SELECT; then
1561 $action $option
1562 else
1563 die_unknown $opt
1564 fi
1565 ;;
1566 --list-*)
1567 NAME="${opt#--list-}"
1568 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1569 NAME=${NAME%s}
1570 eval show_list $NAME \$$(toupper $NAME)_LIST
1571 ;;
1572 --help|-h) show_help
1573 ;;
1574 *)
1575 optname="${opt%%=*}"
1576 optname="${optname#--}"
1577 optname=$(echo "$optname" | sed 's/-/_/g')
1578 if is_in $optname $CMDLINE_SET; then
1579 eval $optname='$optval'
1580 elif is_in $optname $CMDLINE_APPEND; then
1581 append $optname "$optval"
1582 else
1583 die_unknown $opt
1584 fi
1585 ;;
1586 esac
1587 done
1588
1589 disabled logging && logfile=/dev/null
1590
1591 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1592 set >> $logfile
1593
1594 test -n "$cross_prefix" && enable cross_compile
1595
1596 if enabled cross_compile; then
1597 test -n "$arch" && test -n "$target_os" ||
1598 die "Must specify target arch and OS when cross-compiling"
1599 fi
1600
1601 set_default arch target_os
1602
1603 ar_default="${cross_prefix}${ar_default}"
1604 cc_default="${cross_prefix}${cc_default}"
1605 nm_default="${cross_prefix}${nm_default}"
1606 ranlib="${cross_prefix}${ranlib}"
1607 strip_default="${cross_prefix}${strip_default}"
1608
1609 sysinclude_default="${sysroot}/usr/include"
1610
1611 set_default cc nm strip sysinclude
1612 enabled cross_compile || host_cc_default=$cc
1613 set_default host_cc
1614
1615 exesuf() {
1616 case $1 in
1617 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1618 esac
1619 }
1620
1621 EXESUF=$(exesuf $target_os)
1622 HOSTEXESUF=$(exesuf $host_os)
1623
1624 # set temporary file name
1625 : ${TMPDIR:=$TEMPDIR}
1626 : ${TMPDIR:=$TMP}
1627 : ${TMPDIR:=/tmp}
1628
1629 if ! check_cmd type mktemp; then
1630 # simple replacement for missing mktemp
1631 # NOT SAFE FOR GENERAL USE
1632 mktemp(){
1633 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1634 }
1635 fi
1636
1637 tmpfile(){
1638 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1639 (set -C; exec > $tmp) 2>/dev/null ||
1640 die "Unable to create temporary file in $TMPDIR."
1641 append TMPFILES $tmp
1642 eval $1=$tmp
1643 }
1644
1645 trap 'rm -f -- $TMPFILES' EXIT
1646 trap exit HUP INT TERM
1647
1648 tmpfile TMPC .c
1649 tmpfile TMPE $EXESUF
1650 tmpfile TMPH .h
1651 tmpfile TMPO .o
1652 tmpfile TMPS .S
1653 tmpfile TMPV .ver
1654 tmpfile TMPSH .sh
1655
1656 unset -f mktemp
1657
1658 # make sure we can execute files in $TMPDIR
1659 cat > $TMPSH 2>> $logfile <<EOF
1660 #! /bin/sh
1661 EOF
1662 chmod +x $TMPSH >> $logfile 2>&1
1663 if ! $TMPSH >> $logfile 2>&1; then
1664 cat <<EOF
1665 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1666 variable to another directory and make sure that it is not mounted noexec.
1667 EOF
1668 die "Sanity test failed."
1669 fi
1670
1671 filter_cflags=echo
1672 filter_cppflags=echo
1673 filter_asflags=echo
1674
1675 if $cc -v 2>&1 | grep -qi ^gcc; then
1676 cc_type=gcc
1677 cc_version=__VERSION__
1678 if ! $cc -dumpversion | grep -q '^2\.'; then
1679 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1680 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1681 fi
1682 speed_cflags='-O3'
1683 size_cflags='-Os'
1684 elif $cc --version 2>/dev/null | grep -q Intel; then
1685 cc_type=icc
1686 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1687 CC_DEPFLAGS='-MMD'
1688 AS_DEPFLAGS='-MMD'
1689 speed_cflags='-O3'
1690 size_cflags='-Os'
1691 noopt_cflags='-O1'
1692 elif $cc -v 2>&1 | grep -q xlc; then
1693 cc_type=xlc
1694 cc_version="AV_STRINGIFY(__IBMC__)"
1695 speed_cflags='-O5'
1696 size_cflags='-O5 -qcompact'
1697 elif $cc -V 2>/dev/null | grep -q Compaq; then
1698 cc_type=ccc
1699 cc_version="AV_STRINGIFY(__DECC_VER)"
1700 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1701 debuglevel=3
1702 add_ldflags -Wl,-z,now # calls to libots crash without this
1703 speed_cflags='-fast'
1704 size_cflags='-O1'
1705 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1706 test -d "$sysroot" || die "No valid sysroot specified."
1707 cc_type=armcc
1708 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1709 armcc_conf="$PWD/armcc.conf"
1710 $cc --arm_linux_configure \
1711 --arm_linux_config_file="$armcc_conf" \
1712 --configure_sysroot="$sysroot" \
1713 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1714 die "Error creating armcc configuration file."
1715 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1716 as_default="${cross_prefix}gcc"
1717 CC_DEPFLAGS='-MMD'
1718 AS_DEPFLAGS='-MMD'
1719 speed_cflags='-O3'
1720 size_cflags='-Os'
1721 elif $cc -version 2>/dev/null | grep -q TMS470; then
1722 cc_type=tms470
1723 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1724 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1725 CC_O='-fr=$(@D)'
1726 as_default="${cross_prefix}gcc"
1727 ld_default="${cross_prefix}gcc"
1728 TMPO=$(basename $TMPC .c).o
1729 append TMPFILES $TMPO
1730 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1731 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1732 AS_DEPFLAGS='-MMD'
1733 speed_cflags='-O3 -mf=5'
1734 size_cflags='-O3 -mf=2'
1735 filter_cflags=tms470_flags
1736 tms470_flags(){
1737 for flag; do
1738 case $flag in
1739 -march=*|-mcpu=*)
1740 case "${flag#*=}" in
1741 armv7-a|cortex-a*) echo -mv=7a8 ;;
1742 armv7-r|cortex-r*) echo -mv=7r4 ;;
1743 armv7-m|cortex-m*) echo -mv=7m3 ;;
1744 armv6*|arm11*) echo -mv=6 ;;
1745 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1746 echo -mv=5e ;;
1747 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1748 esac
1749 ;;
1750 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1751 -mfpu=vfp) echo --float_support=vfpv2 ;;
1752 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1753 -msoft-float) echo --float_support=vfplib ;;
1754 -O[0-3]|-mf=*) echo $flag ;;
1755 -g) echo -g -mn ;;
1756 -pds=*) echo $flag ;;
1757 esac
1758 done
1759 }
1760 elif $cc -v 2>&1 | grep -q clang; then
1761 cc_type=clang
1762 cc_version=__VERSION__
1763 CC_DEPFLAGS='-MMD'
1764 AS_DEPFLAGS='-MMD'
1765 speed_cflags='-O3'
1766 size_cflags='-Os'
1767 elif $cc -V 2>&1 | grep -q Sun; then
1768 cc_type=suncc
1769 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1770 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1771 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1772 speed_cflags='-O5'
1773 size_cflags='-O5 -xspace'
1774 filter_cflags=suncc_flags
1775 suncc_flags(){
1776 for flag; do
1777 case $flag in
1778 -march=*|-mcpu=*)
1779 case "${flag#*=}" in
1780 native) echo -xtarget=native ;;
1781 v9|niagara) echo -xarch=sparc ;;
1782 ultrasparc) echo -xarch=sparcvis ;;
1783 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1784 i586|pentium) echo -xchip=pentium ;;
1785 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1786 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1787 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1788 pentium4*) echo -xtarget=pentium4 ;;
1789 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1790 *-sse3) echo -xarch=sse3 ;;
1791 core2) echo -xarch=ssse3 -xchip=core2 ;;
1792 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1793 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1794 k8|opteron|athlon64|athlon-fx)
1795 echo -xarch=sse2a ;;
1796 athlon*) echo -xarch=pentium_proa ;;
1797 esac
1798 ;;
1799 -std=c99) echo -xc99 ;;
1800 -fomit-frame-pointer) echo -xregs=frameptr ;;
1801 -fPIC) echo -KPIC -xcode=pic32 ;;
1802 -W*,*) echo $flag ;;
1803 -f*-*|-W*) ;;
1804 *) echo $flag ;;
1805 esac
1806 done
1807 }
1808 fi
1809
1810 test -n "$cc_type" && enable $cc_type ||
1811 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1812
1813 : ${as_default:=$cc}
1814 : ${dep_cc_default:=$cc}
1815 : ${ld_default:=$cc}
1816 set_default ar as dep_cc ld
1817
1818 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1819 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1820
1821 add_cflags $extra_cflags
1822 add_asflags $extra_cflags
1823
1824 if test -n "$sysroot"; then
1825 case "$cc_type" in
1826 gcc)
1827 add_cppflags --sysroot="$sysroot"
1828 add_ldflags --sysroot="$sysroot"
1829 ;;
1830 tms470)
1831 add_cppflags -I"$sysinclude"
1832 add_ldflags --sysroot="$sysroot"
1833 ;;
1834 clang)
1835 add_cppflags -isysroot "$sysroot"
1836 add_ldflags -isysroot "$sysroot"
1837 ;;
1838 esac
1839 fi
1840
1841 if test "$cpu" = host; then
1842 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1843
1844 case "$cc_type" in
1845 gcc)
1846 check_native(){
1847 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1848 sed -n "/$1=/{
1849 s/.*$1=\\([^ ]*\\).*/\\1/
1850 p
1851 q
1852 }" $TMPE
1853 }
1854 cpu=$(check_native -march || check_native -mcpu)
1855 ;;
1856 esac
1857
1858 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1859 fi
1860
1861 # Deal with common $arch aliases
1862 case "$arch" in
1863 arm*)
1864 arch="arm"
1865 ;;
1866 mips|mipsel|IP*)
1867 arch="mips"
1868 ;;
1869 mips64*)
1870 arch="mips"
1871 subarch="mips64"
1872 ;;
1873 parisc|hppa)
1874 arch="parisc"
1875 ;;
1876 parisc64|hppa64)
1877 arch="parisc"
1878 subarch="parisc64"
1879 ;;
1880 "Power Macintosh"|ppc|powerpc)
1881 arch="ppc"
1882 ;;
1883 ppc64|powerpc64)
1884 arch="ppc"
1885 subarch="ppc64"
1886 ;;
1887 s390|s390x)
1888 arch="s390"
1889 ;;
1890 sh4|sh)
1891 arch="sh4"
1892 ;;
1893 sun4u|sparc64)
1894 arch="sparc"
1895 subarch="sparc64"
1896 ;;
1897 i[3-6]86|i86pc|BePC|x86_64|amd64)
1898 arch="x86"
1899 ;;
1900 esac
1901
1902 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
1903 enable $arch
1904
1905 # Add processor-specific flags
1906 if test "$cpu" = generic; then
1907 : do nothing
1908 elif enabled ppc; then
1909
1910 case $(tolower $cpu) in
1911 601|ppc601|powerpc601)
1912 cpuflags="-mcpu=601"
1913 disable altivec
1914 ;;
1915 603*|ppc603*|powerpc603*)
1916 cpuflags="-mcpu=603"
1917 disable altivec
1918 ;;
1919 604*|ppc604*|powerpc604*)
1920 cpuflags="-mcpu=604"
1921 disable altivec
1922 ;;
1923 g3|75*|ppc75*|powerpc75*)
1924 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1925 disable altivec
1926 ;;
1927 g4|745*|ppc745*|powerpc745*)
1928 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1929 ;;
1930 74*|ppc74*|powerpc74*)
1931 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1932 ;;
1933 g5|970|ppc970|powerpc970|power4*)
1934 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1935 ;;
1936 cell)
1937 cpuflags="-mcpu=cell"
1938 enable ldbrx
1939 ;;
1940 e500v2)
1941 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1942 disable altivec
1943 ;;
1944 e500)
1945 cpuflags="-mcpu=8540 -mhard-float"
1946 disable altivec
1947 ;;
1948 esac
1949
1950 elif enabled x86; then
1951
1952 case $cpu in
1953 i[345]86|pentium)
1954 cpuflags="-march=$cpu"
1955 disable mmx
1956 ;;
1957 # targets that do NOT support conditional mov (cmov)
1958 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1959 cpuflags="-march=$cpu"
1960 disable cmov
1961 ;;
1962 # targets that do support conditional mov (cmov)
1963 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
1964 cpuflags="-march=$cpu"
1965 enable cmov
1966 enable fast_cmov
1967 ;;
1968 # targets that do support conditional mov but on which it's slow
1969 pentium4|pentium4m|prescott|nocona)
1970 cpuflags="-march=$cpu"
1971 enable cmov
1972 disable fast_cmov
1973 ;;
1974 esac
1975
1976 elif enabled sparc; then
1977
1978 case $cpu in
1979 niagara)
1980 cpuflags="-mcpu=$cpu"
1981 disable vis
1982 ;;
1983 sparc64)
1984 cpuflags="-mcpu=v9"
1985 ;;
1986 esac
1987
1988 elif enabled arm; then
1989
1990 case $cpu in
1991 armv*)
1992 cpuflags="-march=$cpu"
1993 ;;
1994 *)
1995 cpuflags="-mcpu=$cpu"
1996 ;;
1997 esac
1998
1999 elif enabled alpha; then
2000
2001 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2002
2003 elif enabled bfin; then
2004
2005 cpuflags="-mcpu=$cpu"
2006
2007 elif enabled mips; then
2008
2009 cpuflags="-march=$cpu"
2010
2011 elif enabled avr32; then
2012
2013 case $cpu in
2014 ap7[02]0[0-2])
2015 subarch="avr32_ap"
2016 cpuflags="-mpart=$cpu"
2017 ;;
2018 ap)
2019 subarch="avr32_ap"
2020 cpuflags="-march=$cpu"
2021 ;;
2022 uc3[ab]*)
2023 subarch="avr32_uc"
2024 cpuflags="-mcpu=$cpu"
2025 ;;
2026 uc)
2027 subarch="avr32_uc"
2028 cpuflags="-march=$cpu"
2029 ;;
2030 esac
2031
2032 fi
2033
2034 add_cflags $cpuflags
2035 add_asflags $cpuflags
2036
2037 # compiler sanity check
2038 check_exec <<EOF
2039 int main(void){ return 0; }
2040 EOF
2041 if test "$?" != 0; then
2042 echo "$cc is unable to create an executable file."
2043 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2044 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2045 echo "Only do this if you know what cross compiling means."
2046 fi
2047 die "C compiler test failed."
2048 fi
2049
2050 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2051 check_cflags -std=c99
2052 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2053 #include <stdlib.h>
2054 EOF
2055 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2056 #include <stdlib.h>
2057 EOF
2058
2059 check_host_cflags -std=c99
2060
2061 case "$arch" in
2062 alpha|ia64|mips|parisc|sparc)
2063 spic=$shared
2064 ;;
2065 x86)
2066 subarch="x86_32"
2067 check_cc <<EOF && subarch="x86_64"
2068 int test[(int)sizeof(char*) - 7];
2069 EOF
2070 if test "$subarch" = "x86_64"; then
2071 spic=$shared
2072 fi
2073 ;;
2074 esac
2075
2076 enable $subarch
2077 enabled spic && enable pic
2078
2079 # OS specific
2080 case $target_os in
2081 haiku)
2082 prefix_default="/boot/common"
2083 network_extralibs="-lnetwork"
2084 ;;
2085 sunos)
2086 FFSERVERLDFLAGS=""
2087 SHFLAGS='-shared -Wl,-h,$$(@F)'
2088 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2089 network_extralibs="-lsocket -lnsl"
2090 add_cppflags -D__EXTENSIONS__
2091 nm_opts='-P -g'
2092 ;;
2093 netbsd)
2094 oss_indev_extralibs="-lossaudio"
2095 oss_outdev_extralibs="-lossaudio"
2096 add_cppflags -D_XOPEN_SOURCE=600
2097 ;;
2098 openbsd)
2099 enable malloc_aligned
2100 # On OpenBSD 4.5. the compiler does not use PIC unless
2101 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2102 # however the generated executable will not do anything
2103 # (simply quits with exit-code 1, no crash, no output).
2104 # Thus explicitly enable PIC here.
2105 enable pic
2106 SHFLAGS='-shared'
2107 oss_indev_extralibs="-lossaudio"
2108 oss_outdev_extralibs="-lossaudio"
2109 ;;
2110 freebsd|dragonfly)
2111 enable malloc_aligned
2112 ;;
2113 bsd/os)
2114 osextralibs="-lpoll -lgnugetopt"
2115 strip="strip -d"
2116 ;;
2117 darwin)
2118 enable malloc_aligned
2119 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2120 strip="${strip} -x"
2121 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2122 SLIBSUF=".dylib"
2123 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2124 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2125 FFSERVERLDFLAGS=-Wl,-bind_at_load
2126 objformat="macho"
2127 enabled x86_64 && objformat="macho64"
2128 enabled_any pic shared ||
2129 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2130 ;;
2131 mingw32*)
2132 if test $target_os = "mingw32ce"; then
2133 disable network
2134 else
2135 target_os=mingw32
2136 fi
2137 LIBTARGET=i386
2138 if enabled x86_64; then
2139 enable malloc_aligned
2140 LIBTARGET=x64
2141 elif enabled arm; then
2142 LIBTARGET=arm
2143 fi
2144 shlibdir_default="$bindir_default"
2145 disable ffserver
2146 SLIBPREF=""
2147 SLIBSUF=".dll"
2148 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2149 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2150 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2151 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2152 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2153 install -d "$(LIBDIR)"; \
2154 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2155 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2156 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2157 objformat="win32"
2158 enable dos_paths
2159 check_cflags -fno-common
2160 if ! enabled x86_64; then
2161 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2162 die "ERROR: MinGW runtime version must be >= 3.15."
2163 enabled_any avisynth vfwcap_indev &&
2164 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2165 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2166 fi
2167 ;;
2168 cygwin*)
2169 target_os=cygwin
2170 shlibdir_default="$bindir_default"
2171 SLIBPREF="cyg"
2172 SLIBSUF=".dll"
2173 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2174 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2175 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2176 objformat="win32"
2177 enable dos_paths
2178 check_cflags -fno-common
2179 ;;
2180 *-dos|freedos|opendos)
2181 disable ffplay ffserver
2182 disable $INDEV_LIST $OUTDEV_LIST
2183 network_extralibs="-lsocket"
2184 objformat="coff"
2185 enable dos_paths
2186 ;;
2187 linux)
2188 enable dv1394
2189 ;;
2190 irix*)
2191 target_os=irix
2192 ranlib="echo ignoring ranlib"
2193 ;;
2194 os/2*)
2195 strip="lxlite"
2196 ln_s="cp -f"
2197 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2198 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2199 FFSERVERLDFLAGS=""
2200 LIBSUF="_s.a"
2201 SLIBPREF=""
2202 SLIBSUF=".dll"
2203 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2204 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2205 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2206 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2207 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2208 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2209 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2210 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2211 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2212 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2213 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2214 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2215 enable dos_paths
2216 ;;
2217 gnu/kfreebsd)
2218 ;;
2219 gnu)
2220 ;;
2221 none)
2222 ;;
2223 *)
2224 die "Unknown OS '$target_os'."
2225 ;;
2226 esac
2227
2228 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2229
2230 set_default $PATHS_LIST
2231
2232 add_extralibs $osextralibs
2233
2234 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2235 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2236
2237 # we need to build at least one lib type
2238 if ! enabled_any static shared; then
2239 cat <<EOF
2240 At least one library type must be built.
2241 Specify --enable-static to build the static libraries or --enable-shared to
2242 build the shared libraries as well. To only build the shared libraries specify
2243 --disable-static in addition to --enable-shared.
2244 EOF
2245 exit 1;
2246 fi
2247
2248 disabled static && LIBNAME=""
2249
2250 die_license_disabled() {
2251 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2252 }
2253
2254 die_license_disabled gpl libx264
2255 die_license_disabled gpl libxvid
2256 die_license_disabled gpl postproc
2257 die_license_disabled gpl x11grab
2258
2259 die_license_disabled nonfree libfaac
2260
2261 die_license_disabled version3 libopencore_amrnb
2262 die_license_disabled version3 libopencore_amrwb
2263
2264 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2265
2266 check_deps $ARCH_EXT_LIST
2267
2268 disabled optimizations || check_cflags -fomit-frame-pointer
2269
2270 enable_pic() {
2271 enable pic
2272 add_cppflags -DPIC
2273 add_cflags -fPIC
2274 add_asflags -fPIC
2275 }
2276
2277 enabled pic && enable_pic
2278
2279 check_cc <<EOF || die "Symbol mangling check failed."
2280 int ff_extern;
2281 EOF
2282 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2283 extern_prefix=${sym%%ff_extern*}
2284
2285 check_cc <<EOF && enable inline_asm
2286 void foo(void) { __asm__ volatile ("" ::); }
2287 EOF
2288
2289 _restrict=
2290 for restrict_keyword in restrict __restrict__ __restrict; do
2291 check_cc <<EOF && _restrict=$restrict_keyword && break
2292 void foo(char * $restrict_keyword p);
2293 EOF
2294 done
2295
2296 check_cc <<EOF && enable attribute_packed
2297 struct { int x; } __attribute__((packed)) x;
2298 EOF
2299
2300 check_cc <<EOF && enable attribute_may_alias
2301 union { int x; } __attribute__((may_alias)) x;
2302 EOF
2303
2304 check_cc <<EOF || die "endian test failed"
2305 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2306 EOF
2307 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2308
2309 if enabled alpha; then
2310
2311 check_cflags -mieee
2312
2313 elif enabled arm; then
2314
2315 check_cflags -marm
2316
2317 check_ld <<EOF && enable vfp_args
2318 __asm__ (".eabi_attribute 28, 1");
2319 int main(void) { return 0; }
2320 EOF
2321
2322 # We have to check if pld is a nop and disable it.
2323 check_asm pld '"pld [r0]"'
2324
2325 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2326 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2327 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2328 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2329 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2330 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2331
2332 enabled_all armv6t2 shared !pic && enable_pic
2333
2334 elif enabled mips; then
2335
2336 check_asm loongson '"dmult.g $1, $2, $3"'
2337 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2338
2339 elif enabled ppc; then
2340
2341 enable local_aligned_8 local_aligned_16
2342
2343 check_asm dcbzl '"dcbzl 0, 1"'
2344 check_asm ibm_asm '"add 0, 0, 0"'
2345 check_asm ppc4xx '"maclhw r10, r11, r12"'
2346 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2347
2348 # AltiVec flags: The FSF version of GCC differs from the Apple version
2349 if enabled altivec; then
2350 check_cflags -maltivec -mabi=altivec &&
2351 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2352 check_cflags -faltivec
2353
2354 # check if our compiler supports Motorola AltiVec C API
2355 check_cc <<EOF || disable altivec
2356 $inc_altivec_h
2357 int main(void) {
2358 vector signed int v1, v2, v3;
2359 v1 = vec_add(v2,v3);
2360 return 0;
2361 }
2362 EOF
2363
2364 # check if our compiler supports braces for vector declarations
2365 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2366 $inc_altivec_h
2367 int main (void) { (vector int) {1}; return 0; }
2368 EOF
2369 fi
2370
2371 elif enabled sparc; then
2372
2373 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2374 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2375
2376 elif enabled x86; then
2377
2378 enable local_aligned_8 local_aligned_16
2379
2380 # check whether EBP is available on x86
2381 # As 'i' is stored on the stack, this program will crash
2382 # if the base pointer is used to access it because the
2383 # base pointer is cleared in the inline assembly code.
2384 check_exec_crash <<EOF && enable ebp_available
2385 volatile int i=0;
2386 __asm__ volatile (
2387 "xorl %%ebp, %%ebp"
2388 ::: "%ebp");
2389 return i;
2390 EOF
2391
2392 # check whether EBX is available on x86
2393 check_asm ebx_available '""::"b"(0)' &&
2394 check_asm ebx_available '"":::"%ebx"'
2395
2396 # check whether more than 10 operands are supported
2397 check_cc <<EOF && enable ten_operands
2398 int main(void) {
2399 int x=0;
2400 __asm__ volatile(
2401 ""
2402 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2403 );
2404 return 0;
2405 }
2406 EOF
2407
2408 # check whether binutils is new enough to compile SSSE3/MMX2
2409 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2410 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2411
2412 check_asm bswap '"bswap %%eax" ::: "%eax"'
2413
2414 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2415 enabled x86_64 && append YASMFLAGS "-m amd64"
2416 enabled pic && append YASMFLAGS "-DPIC"
2417 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2418 case "$objformat" in
2419 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2420 esac
2421 if ! disabled yasm; then
2422 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2423 warn "yasm not found, performance will suffer"
2424 fi
2425
2426 case "$cpu" in
2427 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2428 disable fast_clz
2429 ;;
2430 esac
2431
2432 fi
2433
2434 if check_func dlopen; then
2435 ldl=
2436 elif check_func dlopen -ldl; then
2437 ldl=-ldl
2438 fi
2439
2440 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2441 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2442
2443 check_func fcntl
2444 check_func fork
2445 check_func getaddrinfo $network_extralibs
2446 check_func gethrtime
2447 check_func getrusage
2448 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2449 check_func inet_aton $network_extralibs
2450 check_func isatty
2451 check_func ${malloc_prefix}memalign && enable memalign
2452 check_func mkstemp
2453 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2454 check_func setrlimit
2455 check_func strerror_r
2456 check_func_headers io.h setmode
2457 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2458 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2459 check_func_headers windows.h GetProcessTimes
2460 check_func_headers windows.h VirtualAlloc
2461
2462 check_header conio.h
2463 check_header dlfcn.h
2464 check_header dxva2api.h
2465 check_header malloc.h
2466 check_header poll.h
2467 check_header sys/mman.h
2468 check_header sys/resource.h
2469 check_header sys/select.h
2470 check_header termios.h
2471 check_header vdpau/vdpau.h
2472 check_header vdpau/vdpau_x11.h
2473 check_header X11/extensions/XvMClib.h
2474
2475 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2476
2477 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2478 enabled_any $need_memalign ; then
2479 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2480 fi
2481
2482 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2483 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2484
2485 # check for some common methods of building with pthread support
2486 # do this before the optional library checks as some of them require pthreads
2487 if ! disabled pthreads && ! enabled w32threads; then
2488 enable pthreads
2489 if check_func pthread_create; then
2490 :
2491 elif check_func pthread_create -pthread; then
2492 add_cflags -pthread
2493 add_extralibs -pthread
2494 elif check_func pthread_create -pthreads; then
2495 add_cflags -pthreads
2496 add_extralibs -pthreads
2497 elif check_func pthread_create -lpthreadGC2; then
2498 add_extralibs -lpthreadGC2
2499 elif ! check_lib pthread.h pthread_create -lpthread; then
2500 disable pthreads
2501 fi
2502 fi
2503
2504 for thread in $THREADS_LIST; do
2505 if enabled $thread; then
2506 test -n "$thread_type" &&
2507 die "ERROR: Only one thread type must be selected." ||
2508 thread_type="$thread"
2509 fi
2510 done
2511
2512 check_lib math.h sin -lm
2513 disabled vaapi || check_lib va/va.h vaInitialize -lva
2514
2515 check_mathfunc exp2
2516 check_mathfunc exp2f
2517 check_mathfunc llrint
2518 check_mathfunc llrintf
2519 check_mathfunc log2
2520 check_mathfunc log2f
2521 check_mathfunc lrint
2522 check_mathfunc lrintf
2523 check_mathfunc round
2524 check_mathfunc roundf
2525 check_mathfunc truncf
2526
2527 # these are off by default, so fail if requested and not available
2528 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2529 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2530 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2531 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2532 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2533 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2534 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2535 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2536 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2537 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2538 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2539 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2540 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2541 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2542 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2543 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2544 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2545 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2546 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2547 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2548 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2549 die "ERROR: libx264 version must be >= 0.98."; }
2550 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2551 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2552
2553 # libdc1394 check
2554 if enabled libdc1394; then
2555 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2556 enable libdc1394_2; } ||
2557 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2558 enable libdc1394_1; } ||
2559 die "ERROR: No version of libdc1394 found "
2560 fi
2561
2562 SDL_CONFIG="${cross_prefix}sdl-config"
2563 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2564 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2565 sdl_libs=$("${SDL_CONFIG}" --libs)
2566 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2567 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2568 enable sdl &&
2569 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2570 fi
2571
2572 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2573
2574 if enabled network; then
2575 check_type "sys/types.h sys/socket.h" socklen_t
2576 check_type netdb.h "struct addrinfo"
2577 check_type netinet/in.h "struct ipv6_mreq"
2578 check_type netinet/in.h "struct sockaddr_in6"
2579 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2580 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2581 # Prefer arpa/inet.h over winsock2
2582 if check_header arpa/inet.h ; then
2583 check_func closesocket
2584 elif check_header winsock2.h ; then
2585 check_func_headers winsock2.h closesocket -lws2 && \
2586 network_extralibs="-lws2" || \
2587 { check_func_headers winsock2.h closesocket -lws2_32 && \
2588 network_extralibs="-lws2_32"; }
2589 check_type ws2tcpip.h socklen_t
2590 check_type ws2tcpip.h "struct addrinfo"
2591 check_type ws2tcpip.h "struct ipv6_mreq"
2592 check_type ws2tcpip.h "struct sockaddr_in6"
2593 check_type ws2tcpip.h "struct sockaddr_storage"
2594 check_struct winsock2.h "struct sockaddr" sa_len
2595 else
2596 disable network
2597 fi
2598 fi
2599
2600 check_header linux/videodev.h
2601 check_header linux/videodev2.h
2602 check_header sys/videoio.h
2603
2604 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2605
2606 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2607 { check_header dev/bktr/ioctl_meteor.h &&
2608 check_header dev/bktr/ioctl_bt848.h; } ||
2609 { check_header machine/ioctl_meteor.h &&
2610 check_header machine/ioctl_bt848.h; } ||
2611 { check_header dev/video/meteor/ioctl_meteor.h &&
2612 check_header dev/video/bktr/ioctl_bt848.h; } ||
2613 check_header dev/ic/bt8xx.h
2614
2615 check_header sys/soundcard.h
2616 check_header soundcard.h
2617
2618 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2619
2620 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2621
2622 enabled x11grab &&
2623 check_header X11/Xlib.h &&
2624 check_header X11/extensions/XShm.h &&
2625 check_header X11/extensions/Xfixes.h &&
2626 check_func XOpenDisplay -lX11 &&
2627 check_func XShmCreateImage -lX11 -lXext &&
2628 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2629
2630 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2631 check_cpp_condition \
2632 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2633 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2634 disable vdpau; }
2635 fi
2636
2637 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2638
2639 # add some useful compiler flags if supported
2640 check_cflags -Wdeclaration-after-statement
2641 check_cflags -Wall
2642 check_cflags -Wno-switch
2643 check_cflags -Wdisabled-optimization
2644 check_cflags -Wpointer-arith
2645 check_cflags -Wredundant-decls
2646 check_cflags -Wno-pointer-sign
2647 check_cflags -Wcast-qual
2648 check_cflags -Wwrite-strings
2649 check_cflags -Wtype-limits
2650 check_cflags -Wundef
2651 check_cflags -Wmissing-prototypes
2652 enabled extra_warnings && check_cflags -Winline
2653
2654 # add some linker flags
2655 check_ldflags -Wl,--warn-common
2656 check_ldflags -Wl,--as-needed
2657 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2658 check_ldflags -Wl,-Bsymbolic
2659
2660 echo "X{};" > $TMPV
2661 if test_ldflags -Wl,--version-script,$TMPV; then
2662 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2663 check_cc <<EOF && enable symver_asm_label
2664 void ff_foo(void) __asm__ ("av_foo@VERSION");
2665 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2666 EOF
2667 check_cc <<EOF && enable symver_gnu_asm
2668 __asm__(".symver ff_foo,av_foo@VERSION");
2669 void ff_foo(void) {}
2670 EOF
2671 fi
2672
2673 if enabled small; then
2674 add_cflags $size_cflags
2675 optimizations="small"
2676 elif enabled optimizations; then
2677 add_cflags $speed_cflags
2678 else
2679 add_cflags $noopt_cflags
2680 fi
2681 check_cflags -fno-math-errno
2682 check_cflags -fno-signed-zeros
2683
2684 if enabled icc; then
2685 # Just warnings, no remarks
2686 check_cflags -w1
2687 # -wd: Disable following warnings
2688 # 144, 167, 556: -Wno-pointer-sign
2689 # 10006: ignoring unknown option -fno-signed-zeros
2690 # 10156: ignoring option '-W'; no argument required
2691 check_cflags -wd144,167,556,10006,10156
2692 # 11030: Warning unknown option --as-needed
2693 # 10156: ignoring option '-export'; no argument required
2694 check_ldflags -wd10156,11030
2695 # Allow to compile with optimizations
2696 check_ldflags -march=$cpu
2697 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2698 enable ebp_available
2699 elif enabled ccc; then
2700 # disable some annoying warnings
2701 add_cflags -msg_disable cvtu32to64
2702 add_cflags -msg_disable embedcomment
2703 add_cflags -msg_disable needconstext
2704 add_cflags -msg_disable nomainieee
2705 add_cflags -msg_disable ptrmismatch1
2706 add_cflags -msg_disable unreachcode
2707 elif enabled gcc; then
2708 check_cflags -fno-tree-vectorize
2709 check_cflags -Werror=implicit-function-declaration
2710 check_cflags -Werror=missing-prototypes
2711 elif enabled clang; then
2712 check_cflags -Qunused-arguments
2713 elif enabled armcc; then
2714 # 2523: use of inline assembler is deprecated
2715 add_cflags -Wrvct,--diag_suppress=2523
2716 add_cflags -Wrvct,--diag_suppress=1207
2717 elif enabled tms470; then
2718 add_cflags -pds=824 -pds=837
2719 fi
2720
2721 enabled_any $THREADS_LIST && enable threads
2722
2723 check_deps $CONFIG_LIST \
2724 $CONFIG_EXTRA \
2725 $HAVE_LIST \
2726 $DECODER_LIST \
2727 $ENCODER_LIST \
2728 $HWACCEL_LIST \
2729 $PARSER_LIST \
2730 $BSF_LIST \
2731 $DEMUXER_LIST \
2732 $MUXER_LIST \
2733 $FILTER_LIST \
2734 $INDEV_LIST \
2735 $OUTDEV_LIST \
2736 $PROTOCOL_LIST \
2737
2738 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2739
2740 echo "install prefix $prefix"
2741 echo "source path $source_path"
2742 echo "C compiler $cc"
2743 echo "ARCH $arch ($cpu)"
2744 if test "$build_suffix" != ""; then
2745 echo "build suffix $build_suffix"
2746 fi
2747 if test "$extra_version" != ""; then
2748 echo "version string suffix $extra_version"
2749 fi
2750 echo "big-endian ${bigendian-no}"
2751 echo "runtime cpu detection ${runtime_cpudetect-no}"
2752 if enabled x86; then
2753 echo "yasm ${yasm-no}"
2754 echo "MMX enabled ${mmx-no}"
2755 echo "MMX2 enabled ${mmx2-no}"
2756 echo "3DNow! enabled ${amd3dnow-no}"
2757 echo "3DNow! extended enabled ${amd3dnowext-no}"
2758 echo "SSE enabled ${sse-no}"
2759 echo "SSSE3 enabled ${ssse3-no}"
2760 echo "CMOV enabled ${cmov-no}"
2761 echo "CMOV is fast ${fast_cmov-no}"
2762 echo "EBX available ${ebx_available-no}"
2763 echo "EBP available ${ebp_available-no}"
2764 echo "10 operands supported ${ten_operands-no}"
2765 fi
2766 if enabled arm; then
2767 echo "ARMv5TE enabled ${armv5te-no}"
2768 echo "ARMv6 enabled ${armv6-no}"
2769 echo "ARMv6T2 enabled ${armv6t2-no}"
2770 echo "ARM VFP enabled ${armvfp-no}"
2771 echo "IWMMXT enabled ${iwmmxt-no}"
2772 echo "NEON enabled ${neon-no}"
2773 fi
2774 if enabled mips; then
2775 echo "MMI enabled ${mmi-no}"
2776 fi
2777 if enabled ppc; then
2778 echo "AltiVec enabled ${altivec-no}"
2779 echo "PPC 4xx optimizations ${ppc4xx-no}"
2780 echo "dcbzl available ${dcbzl-no}"
2781 fi
2782 if enabled sparc; then
2783 echo "VIS enabled ${vis-no}"
2784 fi
2785 echo "debug symbols ${debug-no}"
2786 echo "strip symbols ${stripping-no}"
2787 echo "optimizations ${optimizations-no}"
2788 echo "static ${static-no}"
2789 echo "shared ${shared-no}"
2790 echo "postprocessing support ${postproc-no}"
2791 echo "new filter support ${avfilter-no}"
2792 echo "filters using lavformat ${avfilter_lavf-no}"
2793 echo "network support ${network-no}"
2794 echo "threading support ${thread_type-no}"
2795 echo "SDL support ${sdl-no}"
2796 echo "Sun medialib support ${mlib-no}"
2797 echo "AVISynth enabled ${avisynth-no}"
2798 echo "libdc1394 support ${libdc1394-no}"
2799 echo "libdirac enabled ${libdirac-no}"
2800 echo "libfaac enabled ${libfaac-no}"
2801 echo "libgsm enabled ${libgsm-no}"
2802 echo "libmp3lame enabled ${libmp3lame-no}"
2803 echo "libnut enabled ${libnut-no}"
2804 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2805 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2806 echo "libopenjpeg enabled ${libopenjpeg-no}"
2807 echo "librtmp enabled ${librtmp-no}"
2808 echo "libschroedinger enabled ${libschroedinger-no}"
2809 echo "libspeex enabled ${libspeex-no}"
2810 echo "libtheora enabled ${libtheora-no}"
2811 echo "libvorbis enabled ${libvorbis-no}"
2812 echo "libvpx enabled ${libvpx-no}"
2813 echo "libx264 enabled ${libx264-no}"
2814 echo "libxvid enabled ${libxvid-no}"
2815 echo "zlib enabled ${zlib-no}"
2816 echo "bzlib enabled ${bzlib-no}"
2817 echo
2818
2819 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2820 echo "Enabled ${type}s:"
2821 eval list=\$$(toupper $type)_LIST
2822 for part in $list; do
2823 enabled $part && echo ${part%_*}
2824 done | sort | pr -3 -t
2825 echo
2826 done
2827
2828 license="LGPL version 2.1 or later"
2829 if enabled nonfree; then
2830 license="nonfree and unredistributable"
2831 elif enabled gplv3; then
2832 license="GPL version 3 or later"
2833 elif enabled lgplv3; then
2834 license="LGPL version 3 or later"
2835 elif enabled gpl; then
2836 license="GPL version 2 or later"
2837 fi
2838
2839 echo "License: $license"
2840
2841 echo "Creating config.mak and config.h..."
2842
2843 # build tree in object directory if source path is different from current one
2844 if enabled source_path_used; then
2845 DIRS="
2846 doc
2847 libavcodec
2848 libavcodec/$arch
2849 libavdevice
2850 libavfilter
2851 libavformat
2852 libavutil
2853 libavutil/$arch
2854 libpostproc
2855 libswscale
2856 libswscale/$arch
2857 tests
2858 tools
2859 "
2860 FILES="
2861 Makefile
2862 common.mak
2863 subdir.mak
2864 doc/texi2pod.pl
2865 libavcodec/Makefile
2866 libavcodec/${arch}/Makefile
2867 libavdevice/Makefile
2868 libavfilter/Makefile
2869 libavformat/Makefile
2870 libavutil/Makefile
2871 libpostproc/Makefile
2872 libswscale/Makefile
2873 "
2874 map 'mkdir -p $v' $DIRS;
2875 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2876 fi
2877
2878 enabled stripping || strip="echo skipping strip"
2879
2880 cat > config.mak <<EOF
2881 # Automatically generated by configure - do not modify!
2882 ifndef FFMPEG_CONFIG_MAK
2883 FFMPEG_CONFIG_MAK=1
2884 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2885 prefix=$prefix
2886 LIBDIR=\$(DESTDIR)$libdir
2887 SHLIBDIR=\$(DESTDIR)$shlibdir
2888 INCDIR=\$(DESTDIR)$incdir
2889 BINDIR=\$(DESTDIR)$bindir
2890 DATADIR=\$(DESTDIR)$datadir
2891 MANDIR=\$(DESTDIR)$mandir
2892 SRC_PATH="$source_path"
2893 SRC_PATH_BARE=$source_path
2894 BUILD_ROOT="$PWD"
2895 ARCH=$arch
2896 CC=$cc
2897 AS=$as
2898 LD=$ld
2899 DEPCC=$dep_cc
2900 YASM=$yasmexe
2901 YASMDEP=$yasmexe
2902 AR=$ar
2903 RANLIB=$ranlib
2904 CP=cp -p
2905 LN_S=$ln_s
2906 STRIP=$strip
2907 CPPFLAGS=$CPPFLAGS
2908 CFLAGS=$CFLAGS
2909 ASFLAGS=$ASFLAGS
2910 CC_O=$CC_O
2911 LDFLAGS=$LDFLAGS
2912 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2913 SHFLAGS=$SHFLAGS
2914 YASMFLAGS=$YASMFLAGS
2915 BUILDSUF=$build_suffix
2916 FULLNAME=$FULLNAME
2917 LIBPREF=$LIBPREF
2918 LIBSUF=$LIBSUF
2919 LIBNAME=$LIBNAME
2920 SLIBPREF=$SLIBPREF
2921 SLIBSUF=$SLIBSUF
2922 EXESUF=$EXESUF
2923 EXTRA_VERSION=$extra_version
2924 DEPFLAGS=$DEPFLAGS
2925 CCDEP=$CCDEP
2926 ASDEP=$ASDEP
2927 CC_DEPFLAGS=$CC_DEPFLAGS
2928 AS_DEPFLAGS=$AS_DEPFLAGS
2929 HOSTCC=$host_cc
2930 HOSTCFLAGS=$host_cflags
2931 HOSTEXESUF=$HOSTEXESUF
2932 HOSTLDFLAGS=$host_ldflags
2933 HOSTLIBS=$host_libs
2934 TARGET_EXEC=$target_exec
2935 TARGET_PATH=$target_path
2936 SDL_LIBS=$sdl_libs
2937 SDL_CFLAGS=$sdl_cflags
2938 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2939 EXTRALIBS=$extralibs
2940 INSTALL=install
2941 LIBTARGET=${LIBTARGET}
2942 SLIBNAME=${SLIBNAME}
2943 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2944 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2945 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2946 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2947 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2948 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2949 SAMPLES=$samples
2950 EOF
2951
2952 get_version(){
2953 name=$1
2954 file=$source_path/$2
2955 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2956 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2957 lcname=$(tolower $name)
2958 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2959 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2960 }
2961
2962 get_version LIBSWSCALE libswscale/swscale.h
2963 get_version LIBPOSTPROC libpostproc/postprocess.h
2964 get_version LIBAVCODEC libavcodec/avcodec.h
2965 get_version LIBAVDEVICE libavdevice/avdevice.h
2966 get_version LIBAVFORMAT libavformat/avformat.h
2967 get_version LIBAVUTIL libavutil/avutil.h
2968 get_version LIBAVFILTER libavfilter/avfilter.h
2969
2970 cat > $TMPH <<EOF
2971 /* Automatically generated by configure - do not modify! */
2972 #ifndef FFMPEG_CONFIG_H
2973 #define FFMPEG_CONFIG_H
2974 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2975 #define FFMPEG_LICENSE "$(c_escape $license)"
2976 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2977 #define CC_TYPE "$cc_type"
2978 #define CC_VERSION $cc_version
2979 #define restrict $_restrict
2980 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
2981 #define EXTERN_PREFIX "${extern_prefix}"
2982 #define EXTERN_ASM ${extern_prefix}
2983 EOF
2984
2985 test -n "$malloc_prefix" &&
2986 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2987
2988 if enabled small || disabled optimizations; then
2989 echo "#undef av_always_inline" >> $TMPH
2990 echo "#define av_always_inline" >> $TMPH
2991 fi
2992
2993 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2994 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2995 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2996 $CONFIG_EXTRA \
2997 $DECODER_LIST \
2998 $ENCODER_LIST \
2999 $HWACCEL_LIST \
3000 $PARSER_LIST \
3001 $BSF_LIST \
3002 $DEMUXER_LIST \
3003 $MUXER_LIST \
3004 $FILTER_LIST \
3005 $PROTOCOL_LIST \
3006 $INDEV_LIST \
3007 $OUTDEV_LIST \
3008
3009 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3010 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3011
3012 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3013 cp_if_changed $TMPH config.h
3014
3015 cat > $TMPH <<EOF
3016 /* Generated by ffconf */
3017 #ifndef AVUTIL_AVCONFIG_H
3018 #define AVUTIL_AVCONFIG_H
3019 EOF
3020
3021 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3022
3023 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3024
3025 cp_if_changed $TMPH libavutil/avconfig.h
3026
3027 test -n "$WARNINGS" && printf "\n$WARNINGS"
3028
3029 # build pkg-config files
3030
3031 pkgconfig_generate(){
3032 name=$1
3033 shortname=${name#lib}${build_suffix}
3034 comment=$2
3035 version=$3
3036 libs=$4
3037 requires=$5
3038 cat <<EOF > $name/$name.pc
3039 prefix=$prefix
3040 exec_prefix=\${prefix}
3041 libdir=$libdir
3042 includedir=$incdir
3043
3044 Name: $name
3045 Description: $comment
3046 Version: $version
3047 Requires: $(enabled shared || echo $requires)
3048 Requires.private: $(enabled shared && echo $requires)
3049 Conflicts:
3050 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3051 Libs.private: $(enabled shared && echo $libs)
3052 Cflags: -I\${includedir}
3053 EOF
3054 cat <<EOF > $name/$name-uninstalled.pc
3055 prefix=
3056 exec_prefix=
3057 libdir=\${pcfiledir}
3058 includedir=${source_path}
3059
3060 Name: $name
3061 Description: $comment
3062 Version: $version
3063 Requires: $requires
3064 Conflicts:
3065 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3066 Cflags: -I\${includedir}
3067 EOF
3068 }
3069
3070 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3071 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3072 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3073 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3074 enabled avfilter &&
3075 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3076 enabled postproc &&
3077 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3078 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"