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[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 inet_aton
993 inline_asm
994 isatty
995 ldbrx
996 libdc1394_1
997 libdc1394_2
998 llrint
999 llrintf
1000 local_aligned_16
1001 local_aligned_8
1002 log2
1003 log2f
1004 loongson
1005 lrint
1006 lrintf
1007 lzo1x_999_compress
1008 machine_ioctl_bt848_h
1009 machine_ioctl_meteor_h
1010 malloc_h
1011 memalign
1012 mkstemp
1013 pld
1014 posix_memalign
1015 round
1016 roundf
1017 sdl
1018 sdl_video_size
1019 setmode
1020 socklen_t
1021 soundcard_h
1022 poll_h
1023 setrlimit
1024 strerror_r
1025 struct_addrinfo
1026 struct_ipv6_mreq
1027 struct_sockaddr_in6
1028 struct_sockaddr_sa_len
1029 struct_sockaddr_storage
1030 symver
1031 symver_gnu_asm
1032 symver_asm_label
1033 sys_mman_h
1034 sys_resource_h
1035 sys_select_h
1036 sys_soundcard_h
1037 sys_videoio_h
1038 ten_operands
1039 termios_h
1040 threads
1041 truncf
1042 vfp_args
1043 VirtualAlloc
1044 winsock2_h
1045 xform_asm
1046 yasm
1047 "
1048
1049 # options emitted with CONFIG_ prefix but not available on command line
1050 CONFIG_EXTRA="
1051 avutil
1052 gplv3
1053 lgplv3
1054 "
1055
1056 CMDLINE_SELECT="
1057 $ARCH_EXT_LIST
1058 $CONFIG_LIST
1059 $THREADS_LIST
1060 asm
1061 cross_compile
1062 debug
1063 extra_warnings
1064 logging
1065 optimizations
1066 stripping
1067 yasm
1068 "
1069
1070 PATHS_LIST='
1071 bindir
1072 datadir
1073 incdir
1074 libdir
1075 mandir
1076 prefix
1077 shlibdir
1078 '
1079
1080 CMDLINE_SET="
1081 $PATHS_LIST
1082 ar
1083 arch
1084 as
1085 build_suffix
1086 cc
1087 cpu
1088 cross_prefix
1089 dep_cc
1090 extra_version
1091 host_cc
1092 host_cflags
1093 host_ldflags
1094 host_libs
1095 host_os
1096 ld
1097 logfile
1098 malloc_prefix
1099 nm
1100 samples
1101 source_path
1102 strip
1103 sysinclude
1104 sysroot
1105 target_exec
1106 target_os
1107 target_path
1108 "
1109
1110 CMDLINE_APPEND="
1111 extra_cflags
1112 "
1113
1114 # code dependency declarations
1115
1116 # architecture extensions
1117
1118 armv5te_deps="arm"
1119 armv6_deps="arm"
1120 armv6t2_deps="arm"
1121 armvfp_deps="arm"
1122 iwmmxt_deps="arm"
1123 neon_deps="arm"
1124
1125 mmi_deps="mips"
1126
1127 altivec_deps="ppc"
1128 ppc4xx_deps="ppc"
1129
1130 vis_deps="sparc"
1131
1132 x86_64_suggest="cmov fast_cmov"
1133 amd3dnow_deps="mmx"
1134 amd3dnowext_deps="amd3dnow"
1135 mmx_deps="x86"
1136 mmx2_deps="mmx"
1137 sse_deps="mmx"
1138 ssse3_deps="sse"
1139
1140 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1141 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1142 fast_unaligned_if_any="armv6 ppc x86"
1143
1144 need_memalign="altivec neon sse"
1145 inline_asm_deps="!tms470"
1146
1147 symver_if_any="symver_asm_label symver_gnu_asm"
1148
1149 # subsystems
1150 mdct_select="fft"
1151 rdft_select="fft"
1152
1153 # decoders / encoders / hardware accelerators
1154 aac_decoder_select="mdct rdft aac_parser"
1155 aac_encoder_select="mdct"
1156 ac3_decoder_select="mdct ac3_parser"
1157 alac_encoder_select="lpc"
1158 amrnb_decoder_select="lsp"
1159 atrac1_decoder_select="mdct"
1160 atrac3_decoder_select="mdct"
1161 binkaudio_dct_decoder_select="mdct rdft dct"
1162 binkaudio_rdft_decoder_select="mdct rdft"
1163 cavs_decoder_select="golomb"
1164 cook_decoder_select="mdct"
1165 cscd_decoder_suggest="zlib"
1166 dca_decoder_select="mdct"
1167 dnxhd_encoder_select="aandct"
1168 dxa_decoder_select="zlib"
1169 eac3_decoder_select="ac3_decoder"
1170 eamad_decoder_select="aandct"
1171 eatgq_decoder_select="aandct"
1172 eatqi_decoder_select="aandct"
1173 ffv1_decoder_select="golomb"
1174 flac_decoder_select="golomb"
1175 flac_encoder_select="golomb lpc"
1176 flashsv_decoder_select="zlib"
1177 flashsv_encoder_select="zlib"
1178 flv_decoder_select="h263_decoder"
1179 flv_encoder_select="h263_encoder"
1180 h261_encoder_select="aandct"
1181 h263_decoder_select="h263_parser"
1182 h263_encoder_select="aandct"
1183 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1184 h263i_decoder_select="h263_decoder"
1185 h263p_encoder_select="h263_encoder"
1186 h264_decoder_select="golomb h264dsp"
1187 h264_dxva2_hwaccel_deps="dxva2api_h"
1188 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1189 h264_vaapi_hwaccel_select="vaapi"
1190 h264_vdpau_decoder_select="vdpau h264_decoder"
1191 imc_decoder_select="fft mdct"
1192 jpegls_decoder_select="golomb"
1193 jpegls_encoder_select="golomb"
1194 ljpeg_encoder_select="aandct"
1195 loco_decoder_select="golomb"
1196 mjpeg_encoder_select="aandct"
1197 mlp_decoder_select="mlp_parser"
1198 mpeg1video_encoder_select="aandct"
1199 mpeg2video_encoder_select="aandct"
1200 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1201 mpeg4_encoder_select="h263_encoder"
1202 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1203 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1204 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1205 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1206 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1207 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1208 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1209 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1210 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1211 msmpeg4v1_decoder_select="h263_decoder"
1212 msmpeg4v1_encoder_select="h263_encoder"
1213 msmpeg4v2_decoder_select="h263_decoder"
1214 msmpeg4v2_encoder_select="h263_encoder"
1215 msmpeg4v3_decoder_select="h263_decoder"
1216 msmpeg4v3_encoder_select="h263_encoder"
1217 nellymoser_decoder_select="mdct"
1218 nellymoser_encoder_select="mdct"
1219 png_decoder_select="zlib"
1220 png_encoder_select="zlib"
1221 qcelp_decoder_select="lsp"
1222 qdm2_decoder_select="mdct rdft"
1223 ra_144_encoder_select="lpc"
1224 rv10_decoder_select="h263_decoder"
1225 rv10_encoder_select="h263_encoder"
1226 rv20_decoder_select="h263_decoder"
1227 rv20_encoder_select="h263_encoder"
1228 rv30_decoder_select="golomb h264dsp"
1229 rv40_decoder_select="golomb h264dsp"
1230 shorten_decoder_select="golomb"
1231 sipr_decoder_select="lsp"
1232 snow_decoder_select="dwt"
1233 snow_encoder_select="aandct dwt"
1234 sonic_decoder_select="golomb"
1235 sonic_encoder_select="golomb"
1236 sonic_ls_encoder_select="golomb"
1237 svq1_encoder_select="aandct"
1238 svq3_decoder_select="golomb h264dsp"
1239 svq3_decoder_suggest="zlib"
1240 theora_decoder_select="vp3_decoder"
1241 tiff_decoder_suggest="zlib"
1242 tiff_encoder_suggest="zlib"
1243 truehd_decoder_select="mlp_decoder"
1244 tscc_decoder_select="zlib"
1245 twinvq_decoder_select="mdct lsp"
1246 vc1_decoder_select="h263_decoder"
1247 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1248 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1249 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1250 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1251 vorbis_decoder_select="mdct"
1252 vorbis_encoder_select="mdct"
1253 vp6a_decoder_select="vp6_decoder"
1254 vp6f_decoder_select="vp6_decoder"
1255 vp8_decoder_select="h264dsp"
1256 wmapro_decoder_select="mdct"
1257 wmav1_decoder_select="mdct"
1258 wmav1_encoder_select="mdct"
1259 wmav2_decoder_select="mdct"
1260 wmav2_encoder_select="mdct"
1261 wmavoice_decoder_select="lsp rdft dct"
1262 wmv1_decoder_select="h263_decoder"
1263 wmv1_encoder_select="h263_encoder"
1264 wmv2_decoder_select="h263_decoder"
1265 wmv2_encoder_select="h263_encoder"
1266 wmv3_decoder_select="vc1_decoder"
1267 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1268 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1269 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1270 zlib_decoder_select="zlib"
1271 zlib_encoder_select="zlib"
1272 zmbv_decoder_select="zlib"
1273 zmbv_encoder_select="zlib"
1274
1275 vaapi_deps="va_va_h"
1276 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1277
1278 # parsers
1279 h264_parser_select="golomb h264dsp"
1280
1281 # bitstream_filters
1282 aac_adtstoasc_bsf_select="aac_parser"
1283
1284 # external libraries
1285 libdirac_decoder_deps="libdirac !libschroedinger"
1286 libdirac_encoder_deps="libdirac"
1287 libfaac_encoder_deps="libfaac"
1288 libgsm_decoder_deps="libgsm"
1289 libgsm_encoder_deps="libgsm"
1290 libgsm_ms_decoder_deps="libgsm"
1291 libgsm_ms_encoder_deps="libgsm"
1292 libmp3lame_encoder_deps="libmp3lame"
1293 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1294 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1295 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1296 libopenjpeg_decoder_deps="libopenjpeg"
1297 libschroedinger_decoder_deps="libschroedinger"
1298 libschroedinger_encoder_deps="libschroedinger"
1299 libspeex_decoder_deps="libspeex"
1300 libtheora_encoder_deps="libtheora"
1301 libvorbis_encoder_deps="libvorbis"
1302 libvpx_decoder_deps="libvpx"
1303 libvpx_encoder_deps="libvpx"
1304 libx264_encoder_deps="libx264"
1305 libxvid_encoder_deps="libxvid"
1306
1307 # demuxers / muxers
1308 ac3_demuxer_deps="ac3_parser"
1309 asf_stream_muxer_select="asf_muxer"
1310 avisynth_demuxer_deps="avisynth"
1311 dirac_demuxer_deps="dirac_parser"
1312 eac3_demuxer_select="ac3_parser"
1313 ipod_muxer_select="mov_muxer"
1314 libnut_demuxer_deps="libnut"
1315 libnut_muxer_deps="libnut"
1316 matroska_audio_muxer_select="matroska_muxer"
1317 matroska_demuxer_suggest="zlib bzlib"
1318 mov_demuxer_suggest="zlib"
1319 mp3_demuxer_deps="mpegaudio_parser"
1320 mp4_muxer_select="mov_muxer"
1321 mpegtsraw_demuxer_select="mpegts_demuxer"
1322 mxf_d10_muxer_select="mxf_muxer"
1323 ogg_demuxer_select="golomb"
1324 psp_muxer_select="mov_muxer"
1325 rtsp_demuxer_deps="sdp_demuxer"
1326 rtsp_muxer_deps="sdp_demuxer"
1327 rtsp_muxer_select="rtp_muxer"
1328 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1329 sdp_demuxer_select="asf_demuxer rm_demuxer"
1330 spdif_muxer_select="aac_parser"
1331 tg2_muxer_select="mov_muxer"
1332 tgp_muxer_select="mov_muxer"
1333 w64_demuxer_deps="wav_demuxer"
1334
1335 # indevs / outdevs
1336 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1337 alsa_indev_extralibs="-lasound"
1338 alsa_outdev_deps="alsa_asoundlib_h"
1339 alsa_outdev_extralibs="-lasound"
1340 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1341 dv1394_indev_deps="dv1394 dv_demuxer"
1342 jack_indev_deps="jack_jack_h"
1343 jack_indev_extralibs="-ljack"
1344 libdc1394_indev_deps="libdc1394"
1345 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1346 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1347 v4l_indev_deps="linux_videodev_h"
1348 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1349 vfwcap_indev_deps="capCreateCaptureWindow"
1350 vfwcap_indev_extralibs="-lavicap32"
1351 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1352 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1353
1354 # protocols
1355 gopher_protocol_deps="network"
1356 http_protocol_deps="network"
1357 http_protocol_select="tcp_protocol"
1358 mmst_protocol_deps="network"
1359 rtmp_protocol_select="tcp_protocol"
1360 rtp_protocol_select="udp_protocol"
1361 tcp_protocol_deps="network"
1362 udp_protocol_deps="network"
1363
1364 # filters
1365 movie_filter_deps="avfilter_lavf"
1366 avfilter_lavf_deps="avformat"
1367
1368 # libraries
1369 avdevice_deps="avcodec avformat"
1370 avformat_deps="avcodec"
1371
1372 # programs
1373 ffmpeg_deps="avcodec avformat swscale"
1374 ffmpeg_select="buffer_filter"
1375 ffplay_deps="avcodec avformat swscale sdl"
1376 ffplay_select="rdft"
1377 ffprobe_deps="avcodec avformat"
1378 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1379 ffserver_extralibs='$ldl'
1380
1381 doc_deps="texi2html"
1382
1383 # default parameters
1384
1385 logfile="config.log"
1386
1387 # installation paths
1388 prefix_default="/usr/local"
1389 bindir_default='${prefix}/bin'
1390 datadir_default='${prefix}/share/ffmpeg'
1391 incdir_default='${prefix}/include'
1392 libdir_default='${prefix}/lib'
1393 mandir_default='${prefix}/share/man'
1394 shlibdir_default="$libdir_default"
1395
1396 # toolchain
1397 ar_default="ar"
1398 cc_default="gcc"
1399 cc_version=\"unknown\"
1400 host_cc_default="gcc"
1401 ln_s="ln -sf"
1402 nm_default="nm"
1403 objformat="elf"
1404 ranlib="ranlib"
1405 strip_default="strip"
1406 yasmexe="yasm"
1407
1408 nm_opts='-g'
1409
1410 # machine
1411 arch_default=$(uname -m)
1412 cpu="generic"
1413
1414 # OS
1415 target_os_default=$(tolower $(uname -s))
1416 host_os=$target_os_default
1417
1418 # configurable options
1419 enable avcodec
1420 enable avdevice
1421 enable avfilter
1422 enable avformat
1423 enable avutil
1424 enable asm
1425 enable debug
1426 enable doc
1427 enable fastdiv
1428 enable ffmpeg
1429 enable ffplay
1430 enable ffprobe
1431 enable ffserver
1432 enable mpegaudio_hp
1433 enable network
1434 enable optimizations
1435 enable protocols
1436 enable static
1437 enable stripping
1438 enable swscale
1439 enable swscale_alpha
1440
1441 # build settings
1442 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1443 FFSERVERLDFLAGS=-Wl,-E
1444 LIBPREF="lib"
1445 LIBSUF=".a"
1446 FULLNAME='$(NAME)$(BUILDSUF)'
1447 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1448 SLIBPREF="lib"
1449 SLIBSUF=".so"
1450 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1451 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1452 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1453 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1454
1455 CC_O='-o $@'
1456
1457 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1458 host_libs='-lm'
1459
1460 target_path='$(CURDIR)'
1461
1462 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1463 # full relative path for objects in subdirectories for non-recursive Make.
1464 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1465 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1466
1467 # find source path
1468 source_path="$(dirname "$0")"
1469 enable source_path_used
1470 if test -f configure; then
1471 source_path="$(pwd)"
1472 disable source_path_used
1473 else
1474 source_path="$(cd "$source_path"; pwd)"
1475 echo "$source_path" | grep -q '[[:blank:]]' &&
1476 die "Out of tree builds are impossible with whitespace in source path."
1477 test -e "$source_path/config.h" &&
1478 die "Out of tree builds are impossible with config.h in source dir."
1479 fi
1480
1481 for v in "$@"; do
1482 r=${v#*=}
1483 l=${v%"$r"}
1484 r=$(sh_quote "$r")
1485 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1486 done
1487
1488 find_things(){
1489 thing=$1
1490 pattern=$2
1491 file=$source_path/$3
1492 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1493 }
1494
1495 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1496 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1497 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1498 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1499 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1500 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1501 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1502 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1503 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1504 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1505 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1506
1507 for n in $COMPONENT_LIST; do
1508 v=$(toupper ${n%s})_LIST
1509 eval enable \$$v
1510 eval ${n}_if_any="\$$v"
1511 done
1512
1513 enable $ARCH_EXT_LIST
1514
1515 die_unknown(){
1516 echo "Unknown option \"$1\"."
1517 echo "See $0 --help for available options."
1518 exit 1
1519 }
1520
1521 show_list() {
1522 suffix=_$1
1523 shift
1524 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1525 exit 0
1526 }
1527
1528 for opt do
1529 optval="${opt#*=}"
1530 case "$opt" in
1531 --extra-ldflags=*) add_ldflags $optval
1532 ;;
1533 --extra-libs=*) add_extralibs $optval
1534 ;;
1535 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1536 ;;
1537 --enable-debug=*) debuglevel="$optval"
1538 ;;
1539 --disable-everything)
1540 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1541 ;;
1542 --enable-*=*|--disable-*=*)
1543 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1544 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1545 eval list=\$$(toupper $thing)_LIST
1546 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1547 $action $(filter "$name" $list)
1548 ;;
1549 --enable-?*|--disable-?*)
1550 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1551 if is_in $option $COMPONENT_LIST; then
1552 test $action = disable && action=unset
1553 eval $action \$$(toupper ${option%s})_LIST
1554 elif is_in $option $CMDLINE_SELECT; then
1555 $action $option
1556 else
1557 die_unknown $opt
1558 fi
1559 ;;
1560 --list-*)
1561 NAME="${opt#--list-}"
1562 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1563 NAME=${NAME%s}
1564 eval show_list $NAME \$$(toupper $NAME)_LIST
1565 ;;
1566 --help|-h) show_help
1567 ;;
1568 *)
1569 optname="${opt%%=*}"
1570 optname="${optname#--}"
1571 optname=$(echo "$optname" | sed 's/-/_/g')
1572 if is_in $optname $CMDLINE_SET; then
1573 eval $optname='$optval'
1574 elif is_in $optname $CMDLINE_APPEND; then
1575 append $optname "$optval"
1576 else
1577 die_unknown $opt
1578 fi
1579 ;;
1580 esac
1581 done
1582
1583 disabled logging && logfile=/dev/null
1584
1585 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1586 set >> $logfile
1587
1588 test -n "$cross_prefix" && enable cross_compile
1589
1590 if enabled cross_compile; then
1591 test -n "$arch" && test -n "$target_os" ||
1592 die "Must specify target arch and OS when cross-compiling"
1593 fi
1594
1595 set_default arch target_os
1596
1597 ar_default="${cross_prefix}${ar_default}"
1598 cc_default="${cross_prefix}${cc_default}"
1599 nm_default="${cross_prefix}${nm_default}"
1600 ranlib="${cross_prefix}${ranlib}"
1601 strip_default="${cross_prefix}${strip_default}"
1602
1603 sysinclude_default="${sysroot}/usr/include"
1604
1605 set_default cc nm strip sysinclude
1606 enabled cross_compile || host_cc_default=$cc
1607 set_default host_cc
1608
1609 exesuf() {
1610 case $1 in
1611 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1612 esac
1613 }
1614
1615 EXESUF=$(exesuf $target_os)
1616 HOSTEXESUF=$(exesuf $host_os)
1617
1618 # set temporary file name
1619 : ${TMPDIR:=$TEMPDIR}
1620 : ${TMPDIR:=$TMP}
1621 : ${TMPDIR:=/tmp}
1622
1623 if ! check_cmd type mktemp; then
1624 # simple replacement for missing mktemp
1625 # NOT SAFE FOR GENERAL USE
1626 mktemp(){
1627 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1628 }
1629 fi
1630
1631 tmpfile(){
1632 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1633 (set -C; exec > $tmp) 2>/dev/null ||
1634 die "Unable to create temporary file in $TMPDIR."
1635 append TMPFILES $tmp
1636 eval $1=$tmp
1637 }
1638
1639 trap 'rm -f -- $TMPFILES' EXIT
1640 trap exit HUP INT TERM
1641
1642 tmpfile TMPC .c
1643 tmpfile TMPE $EXESUF
1644 tmpfile TMPH .h
1645 tmpfile TMPO .o
1646 tmpfile TMPS .S
1647 tmpfile TMPV .ver
1648 tmpfile TMPSH .sh
1649
1650 unset -f mktemp
1651
1652 # make sure we can execute files in $TMPDIR
1653 cat > $TMPSH 2>> $logfile <<EOF
1654 #! /bin/sh
1655 EOF
1656 chmod +x $TMPSH >> $logfile 2>&1
1657 if ! $TMPSH >> $logfile 2>&1; then
1658 cat <<EOF
1659 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1660 variable to another directory and make sure that it is not mounted noexec.
1661 EOF
1662 die "Sanity test failed."
1663 fi
1664
1665 filter_cflags=echo
1666 filter_cppflags=echo
1667 filter_asflags=echo
1668
1669 if $cc -v 2>&1 | grep -qi ^gcc; then
1670 cc_type=gcc
1671 cc_version=__VERSION__
1672 if ! $cc -dumpversion | grep -q '^2\.'; then
1673 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1674 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1675 fi
1676 speed_cflags='-O3'
1677 size_cflags='-Os'
1678 elif $cc --version 2>/dev/null | grep -q Intel; then
1679 cc_type=icc
1680 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1681 CC_DEPFLAGS='-MMD'
1682 AS_DEPFLAGS='-MMD'
1683 speed_cflags='-O3'
1684 size_cflags='-Os'
1685 noopt_cflags='-O1'
1686 elif $cc -v 2>&1 | grep -q xlc; then
1687 cc_type=xlc
1688 cc_version="AV_STRINGIFY(__IBMC__)"
1689 speed_cflags='-O5'
1690 size_cflags='-O5 -qcompact'
1691 elif $cc -V 2>/dev/null | grep -q Compaq; then
1692 cc_type=ccc
1693 cc_version="AV_STRINGIFY(__DECC_VER)"
1694 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1695 debuglevel=3
1696 add_ldflags -Wl,-z,now # calls to libots crash without this
1697 speed_cflags='-fast'
1698 size_cflags='-O1'
1699 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1700 test -d "$sysroot" || die "No valid sysroot specified."
1701 cc_type=armcc
1702 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1703 armcc_conf="$PWD/armcc.conf"
1704 $cc --arm_linux_configure \
1705 --arm_linux_config_file="$armcc_conf" \
1706 --configure_sysroot="$sysroot" \
1707 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1708 die "Error creating armcc configuration file."
1709 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1710 as_default="${cross_prefix}gcc"
1711 CC_DEPFLAGS='-MMD'
1712 AS_DEPFLAGS='-MMD'
1713 speed_cflags='-O3'
1714 size_cflags='-Os'
1715 elif $cc -version 2>/dev/null | grep -q TMS470; then
1716 cc_type=tms470
1717 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1718 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1719 CC_O='-fr=$(@D)'
1720 as_default="${cross_prefix}gcc"
1721 ld_default="${cross_prefix}gcc"
1722 TMPO=$(basename $TMPC .c).o
1723 append TMPFILES $TMPO
1724 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1725 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1726 AS_DEPFLAGS='-MMD'
1727 speed_cflags='-O3 -mf=5'
1728 size_cflags='-O3 -mf=2'
1729 filter_cflags=tms470_flags
1730 tms470_flags(){
1731 for flag; do
1732 case $flag in
1733 -march=*|-mcpu=*)
1734 case "${flag#*=}" in
1735 armv7-a|cortex-a*) echo -mv=7a8 ;;
1736 armv7-r|cortex-r*) echo -mv=7r4 ;;
1737 armv7-m|cortex-m*) echo -mv=7m3 ;;
1738 armv6*|arm11*) echo -mv=6 ;;
1739 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1740 echo -mv=5e ;;
1741 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1742 esac
1743 ;;
1744 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1745 -mfpu=vfp) echo --float_support=vfpv2 ;;
1746 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1747 -msoft-float) echo --float_support=vfplib ;;
1748 -O[0-3]|-mf=*) echo $flag ;;
1749 -g) echo -g -mn ;;
1750 -pds=*) echo $flag ;;
1751 esac
1752 done
1753 }
1754 elif $cc -v 2>&1 | grep -q clang; then
1755 cc_type=clang
1756 cc_version=__VERSION__
1757 CC_DEPFLAGS='-MMD'
1758 AS_DEPFLAGS='-MMD'
1759 speed_cflags='-O3'
1760 size_cflags='-Os'
1761 elif $cc -V 2>&1 | grep -q Sun; then
1762 cc_type=suncc
1763 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1764 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1765 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1766 speed_cflags='-O5'
1767 size_cflags='-O5 -xspace'
1768 filter_cflags=suncc_flags
1769 suncc_flags(){
1770 for flag; do
1771 case $flag in
1772 -march=*|-mcpu=*)
1773 case "${flag#*=}" in
1774 native) echo -xtarget=native ;;
1775 v9|niagara) echo -xarch=sparc ;;
1776 ultrasparc) echo -xarch=sparcvis ;;
1777 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1778 i586|pentium) echo -xchip=pentium ;;
1779 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1780 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1781 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1782 pentium4*) echo -xtarget=pentium4 ;;
1783 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1784 *-sse3) echo -xarch=sse3 ;;
1785 core2) echo -xarch=ssse3 -xchip=core2 ;;
1786 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1787 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1788 k8|opteron|athlon64|athlon-fx)
1789 echo -xarch=sse2a ;;
1790 athlon*) echo -xarch=pentium_proa ;;
1791 esac
1792 ;;
1793 -std=c99) echo -xc99 ;;
1794 -fomit-frame-pointer) echo -xregs=frameptr ;;
1795 -fPIC) echo -KPIC -xcode=pic32 ;;
1796 -W*,*) echo $flag ;;
1797 -f*-*|-W*) ;;
1798 *) echo $flag ;;
1799 esac
1800 done
1801 }
1802 fi
1803
1804 test -n "$cc_type" && enable $cc_type ||
1805 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1806
1807 : ${as_default:=$cc}
1808 : ${dep_cc_default:=$cc}
1809 : ${ld_default:=$cc}
1810 set_default ar as dep_cc ld
1811
1812 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1813 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1814
1815 add_cflags $extra_cflags
1816 add_asflags $extra_cflags
1817
1818 if test -n "$sysroot"; then
1819 case "$cc_type" in
1820 gcc)
1821 add_cppflags --sysroot="$sysroot"
1822 add_ldflags --sysroot="$sysroot"
1823 ;;
1824 tms470)
1825 add_cppflags -I"$sysinclude"
1826 add_ldflags --sysroot="$sysroot"
1827 ;;
1828 clang)
1829 add_cppflags -isysroot "$sysroot"
1830 add_ldflags -isysroot "$sysroot"
1831 ;;
1832 esac
1833 fi
1834
1835 if test "$cpu" = host; then
1836 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1837
1838 case "$cc_type" in
1839 gcc)
1840 check_native(){
1841 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1842 sed -n "/$1=/{
1843 s/.*$1=\\([^ ]*\\).*/\\1/
1844 p
1845 q
1846 }" $TMPE
1847 }
1848 cpu=$(check_native -march || check_native -mcpu)
1849 ;;
1850 esac
1851
1852 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1853 fi
1854
1855 # Deal with common $arch aliases
1856 case "$arch" in
1857 arm*)
1858 arch="arm"
1859 ;;
1860 mips|mipsel|IP*)
1861 arch="mips"
1862 ;;
1863 mips64*)
1864 arch="mips"
1865 subarch="mips64"
1866 ;;
1867 parisc|hppa)
1868 arch="parisc"
1869 ;;
1870 parisc64|hppa64)
1871 arch="parisc"
1872 subarch="parisc64"
1873 ;;
1874 "Power Macintosh"|ppc|powerpc)
1875 arch="ppc"
1876 ;;
1877 ppc64|powerpc64)
1878 arch="ppc"
1879 subarch="ppc64"
1880 ;;
1881 s390|s390x)
1882 arch="s390"
1883 ;;
1884 sh4|sh)
1885 arch="sh4"
1886 ;;
1887 sun4u|sparc64)
1888 arch="sparc"
1889 subarch="sparc64"
1890 ;;
1891 i[3-6]86|i86pc|BePC|x86_64|amd64)
1892 arch="x86"
1893 ;;
1894 esac
1895
1896 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
1897 enable $arch
1898
1899 # Add processor-specific flags
1900 if test "$cpu" = generic; then
1901 : do nothing
1902 elif enabled ppc; then
1903
1904 case $(tolower $cpu) in
1905 601|ppc601|powerpc601)
1906 cpuflags="-mcpu=601"
1907 disable altivec
1908 ;;
1909 603*|ppc603*|powerpc603*)
1910 cpuflags="-mcpu=603"
1911 disable altivec
1912 ;;
1913 604*|ppc604*|powerpc604*)
1914 cpuflags="-mcpu=604"
1915 disable altivec
1916 ;;
1917 g3|75*|ppc75*|powerpc75*)
1918 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1919 disable altivec
1920 ;;
1921 g4|745*|ppc745*|powerpc745*)
1922 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1923 ;;
1924 74*|ppc74*|powerpc74*)
1925 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1926 ;;
1927 g5|970|ppc970|powerpc970|power4*)
1928 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1929 ;;
1930 cell)
1931 cpuflags="-mcpu=cell"
1932 enable ldbrx
1933 ;;
1934 e500v2)
1935 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1936 disable altivec
1937 ;;
1938 e500)
1939 cpuflags="-mcpu=8540 -mhard-float"
1940 disable altivec
1941 ;;
1942 esac
1943
1944 elif enabled x86; then
1945
1946 case $cpu in
1947 i[345]86|pentium)
1948 cpuflags="-march=$cpu"
1949 disable mmx
1950 ;;
1951 # targets that do NOT support conditional mov (cmov)
1952 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1953 cpuflags="-march=$cpu"
1954 disable cmov
1955 ;;
1956 # targets that do support conditional mov (cmov)
1957 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
1958 cpuflags="-march=$cpu"
1959 enable cmov
1960 enable fast_cmov
1961 ;;
1962 # targets that do support conditional mov but on which it's slow
1963 pentium4|pentium4m|prescott|nocona)
1964 cpuflags="-march=$cpu"
1965 enable cmov
1966 disable fast_cmov
1967 ;;
1968 esac
1969
1970 elif enabled sparc; then
1971
1972 case $cpu in
1973 niagara)
1974 cpuflags="-mcpu=$cpu"
1975 disable vis
1976 ;;
1977 sparc64)
1978 cpuflags="-mcpu=v9"
1979 ;;
1980 esac
1981
1982 elif enabled arm; then
1983
1984 case $cpu in
1985 armv*)
1986 cpuflags="-march=$cpu"
1987 ;;
1988 *)
1989 cpuflags="-mcpu=$cpu"
1990 ;;
1991 esac
1992
1993 elif enabled alpha; then
1994
1995 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1996
1997 elif enabled bfin; then
1998
1999 cpuflags="-mcpu=$cpu"
2000
2001 elif enabled mips; then
2002
2003 cpuflags="-march=$cpu"
2004
2005 elif enabled avr32; then
2006
2007 case $cpu in
2008 ap7[02]0[0-2])
2009 subarch="avr32_ap"
2010 cpuflags="-mpart=$cpu"
2011 ;;
2012 ap)
2013 subarch="avr32_ap"
2014 cpuflags="-march=$cpu"
2015 ;;
2016 uc3[ab]*)
2017 subarch="avr32_uc"
2018 cpuflags="-mcpu=$cpu"
2019 ;;
2020 uc)
2021 subarch="avr32_uc"
2022 cpuflags="-march=$cpu"
2023 ;;
2024 esac
2025
2026 fi
2027
2028 add_cflags $cpuflags
2029 add_asflags $cpuflags
2030
2031 # compiler sanity check
2032 check_exec <<EOF
2033 int main(void){ return 0; }
2034 EOF
2035 if test "$?" != 0; then
2036 echo "$cc is unable to create an executable file."
2037 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2038 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2039 echo "Only do this if you know what cross compiling means."
2040 fi
2041 die "C compiler test failed."
2042 fi
2043
2044 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2045 check_cflags -std=c99
2046 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2047 #include <stdlib.h>
2048 EOF
2049 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2050 #include <stdlib.h>
2051 EOF
2052
2053 check_host_cflags -std=c99
2054
2055 case "$arch" in
2056 alpha|ia64|mips|parisc|sparc)
2057 spic=$shared
2058 ;;
2059 x86)
2060 subarch="x86_32"
2061 check_cc <<EOF && subarch="x86_64"
2062 int test[(int)sizeof(char*) - 7];
2063 EOF
2064 if test "$subarch" = "x86_64"; then
2065 spic=$shared
2066 fi
2067 ;;
2068 esac
2069
2070 enable $subarch
2071 enabled spic && enable pic
2072
2073 # OS specific
2074 case $target_os in
2075 haiku)
2076 prefix_default="/boot/common"
2077 network_extralibs="-lnetwork"
2078 ;;
2079 sunos)
2080 FFSERVERLDFLAGS=""
2081 SHFLAGS='-shared -Wl,-h,$$(@F)'
2082 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2083 network_extralibs="-lsocket -lnsl"
2084 add_cppflags -D__EXTENSIONS__
2085 nm_opts='-P -g'
2086 ;;
2087 netbsd)
2088 oss_indev_extralibs="-lossaudio"
2089 oss_outdev_extralibs="-lossaudio"
2090 add_cppflags -D_XOPEN_SOURCE=600
2091 ;;
2092 openbsd)
2093 enable malloc_aligned
2094 # On OpenBSD 4.5. the compiler does not use PIC unless
2095 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2096 # however the generated executable will not do anything
2097 # (simply quits with exit-code 1, no crash, no output).
2098 # Thus explicitly enable PIC here.
2099 enable pic
2100 SHFLAGS='-shared'
2101 oss_indev_extralibs="-lossaudio"
2102 oss_outdev_extralibs="-lossaudio"
2103 ;;
2104 freebsd|dragonfly)
2105 enable malloc_aligned
2106 ;;
2107 bsd/os)
2108 osextralibs="-lpoll -lgnugetopt"
2109 strip="strip -d"
2110 ;;
2111 darwin)
2112 enable malloc_aligned
2113 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2114 strip="${strip} -x"
2115 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2116 SLIBSUF=".dylib"
2117 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2118 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2119 FFSERVERLDFLAGS=-Wl,-bind_at_load
2120 objformat="macho"
2121 enabled x86_64 && objformat="macho64"
2122 enabled_any pic shared ||
2123 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2124 ;;
2125 mingw32*)
2126 if test $target_os = "mingw32ce"; then
2127 disable network
2128 else
2129 target_os=mingw32
2130 fi
2131 LIBTARGET=i386
2132 if enabled x86_64; then
2133 enable malloc_aligned
2134 LIBTARGET=x64
2135 elif enabled arm; then
2136 LIBTARGET=arm
2137 fi
2138 shlibdir_default="$bindir_default"
2139 disable ffserver
2140 SLIBPREF=""
2141 SLIBSUF=".dll"
2142 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2143 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2144 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2145 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2146 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2147 install -d "$(LIBDIR)"; \
2148 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2149 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2150 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2151 objformat="win32"
2152 enable dos_paths
2153 check_cflags -fno-common
2154 if ! enabled x86_64; then
2155 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2156 die "ERROR: MinGW runtime version must be >= 3.15."
2157 enabled_any avisynth vfwcap_indev &&
2158 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2159 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2160 fi
2161 ;;
2162 cygwin*)
2163 target_os=cygwin
2164 shlibdir_default="$bindir_default"
2165 SLIBPREF="cyg"
2166 SLIBSUF=".dll"
2167 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2168 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2169 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2170 objformat="win32"
2171 enable dos_paths
2172 check_cflags -fno-common
2173 ;;
2174 *-dos|freedos|opendos)
2175 disable ffplay ffserver
2176 disable $INDEV_LIST $OUTDEV_LIST
2177 network_extralibs="-lsocket"
2178 objformat="coff"
2179 enable dos_paths
2180 ;;
2181 linux)
2182 enable dv1394
2183 ;;
2184 irix*)
2185 target_os=irix
2186 ranlib="echo ignoring ranlib"
2187 ;;
2188 os/2*)
2189 strip="lxlite"
2190 ln_s="cp -f"
2191 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2192 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2193 FFSERVERLDFLAGS=""
2194 LIBSUF="_s.a"
2195 SLIBPREF=""
2196 SLIBSUF=".dll"
2197 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2198 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2199 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2200 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2201 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2202 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2203 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2204 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2205 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2206 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2207 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2208 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2209 enable dos_paths
2210 ;;
2211 gnu/kfreebsd)
2212 ;;
2213 gnu)
2214 ;;
2215 none)
2216 ;;
2217 *)
2218 die "Unknown OS '$target_os'."
2219 ;;
2220 esac
2221
2222 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2223
2224 set_default $PATHS_LIST
2225
2226 add_extralibs $osextralibs
2227
2228 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2229 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2230
2231 # we need to build at least one lib type
2232 if ! enabled_any static shared; then
2233 cat <<EOF
2234 At least one library type must be built.
2235 Specify --enable-static to build the static libraries or --enable-shared to
2236 build the shared libraries as well. To only build the shared libraries specify
2237 --disable-static in addition to --enable-shared.
2238 EOF
2239 exit 1;
2240 fi
2241
2242 disabled static && LIBNAME=""
2243
2244 die_license_disabled() {
2245 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2246 }
2247
2248 die_license_disabled gpl libx264
2249 die_license_disabled gpl libxvid
2250 die_license_disabled gpl postproc
2251 die_license_disabled gpl x11grab
2252
2253 die_license_disabled nonfree libfaac
2254
2255 die_license_disabled version3 libopencore_amrnb
2256 die_license_disabled version3 libopencore_amrwb
2257
2258 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2259
2260 check_deps $ARCH_EXT_LIST
2261
2262 disabled optimizations || check_cflags -fomit-frame-pointer
2263
2264 enable_pic() {
2265 enable pic
2266 add_cppflags -DPIC
2267 add_cflags -fPIC
2268 add_asflags -fPIC
2269 }
2270
2271 enabled pic && enable_pic
2272
2273 check_cc <<EOF || die "Symbol mangling check failed."
2274 int ff_extern;
2275 EOF
2276 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2277 extern_prefix=${sym%%ff_extern*}
2278
2279 check_cc <<EOF && enable inline_asm
2280 void foo(void) { __asm__ volatile ("" ::); }
2281 EOF
2282
2283 _restrict=
2284 for restrict_keyword in restrict __restrict__ __restrict; do
2285 check_cc <<EOF && _restrict=$restrict_keyword && break
2286 void foo(char * $restrict_keyword p);
2287 EOF
2288 done
2289
2290 check_cc <<EOF && enable attribute_packed
2291 struct { int x; } __attribute__((packed)) x;
2292 EOF
2293
2294 check_cc <<EOF && enable attribute_may_alias
2295 union { int x; } __attribute__((may_alias)) x;
2296 EOF
2297
2298 check_cc <<EOF || die "endian test failed"
2299 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2300 EOF
2301 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2302
2303 if enabled alpha; then
2304
2305 check_cflags -mieee
2306
2307 elif enabled arm; then
2308
2309 check_cflags -marm
2310
2311 check_ld <<EOF && enable vfp_args
2312 __asm__ (".eabi_attribute 28, 1");
2313 int main(void) { return 0; }
2314 EOF
2315
2316 # We have to check if pld is a nop and disable it.
2317 check_asm pld '"pld [r0]"'
2318
2319 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2320 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2321 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2322 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2323 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2324 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2325
2326 enabled_all armv6t2 shared !pic && enable_pic
2327
2328 elif enabled mips; then
2329
2330 check_asm loongson '"dmult.g $1, $2, $3"'
2331 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2332
2333 elif enabled ppc; then
2334
2335 enable local_aligned_8 local_aligned_16
2336
2337 check_asm dcbzl '"dcbzl 0, 1"'
2338 check_asm ppc4xx '"maclhw r10, r11, r12"'
2339 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2340
2341 # AltiVec flags: The FSF version of GCC differs from the Apple version
2342 if enabled altivec; then
2343 check_cflags -maltivec -mabi=altivec &&
2344 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2345 check_cflags -faltivec
2346
2347 # check if our compiler supports Motorola AltiVec C API
2348 check_cc <<EOF || disable altivec
2349 $inc_altivec_h
2350 int main(void) {
2351 vector signed int v1, v2, v3;
2352 v1 = vec_add(v2,v3);
2353 return 0;
2354 }
2355 EOF
2356
2357 # check if our compiler supports braces for vector declarations
2358 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2359 $inc_altivec_h
2360 int main (void) { (vector int) {1}; return 0; }
2361 EOF
2362 fi
2363
2364 elif enabled sparc; then
2365
2366 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2367 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2368
2369 elif enabled x86; then
2370
2371 enable local_aligned_8 local_aligned_16
2372
2373 # check whether EBP is available on x86
2374 # As 'i' is stored on the stack, this program will crash
2375 # if the base pointer is used to access it because the
2376 # base pointer is cleared in the inline assembly code.
2377 check_exec_crash <<EOF && enable ebp_available
2378 volatile int i=0;
2379 __asm__ volatile (
2380 "xorl %%ebp, %%ebp"
2381 ::: "%ebp");
2382 return i;
2383 EOF
2384
2385 # check whether EBX is available on x86
2386 check_asm ebx_available '""::"b"(0)' &&
2387 check_asm ebx_available '"":::"%ebx"'
2388
2389 # check whether more than 10 operands are supported
2390 check_cc <<EOF && enable ten_operands
2391 int main(void) {
2392 int x=0;
2393 __asm__ volatile(
2394 ""
2395 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2396 );
2397 return 0;
2398 }
2399 EOF
2400
2401 # check whether binutils is new enough to compile SSSE3/MMX2
2402 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2403 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2404
2405 check_asm bswap '"bswap %%eax" ::: "%eax"'
2406
2407 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2408 enabled x86_64 && append YASMFLAGS "-m amd64"
2409 enabled pic && append YASMFLAGS "-DPIC"
2410 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2411 case "$objformat" in
2412 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2413 esac
2414 if ! disabled yasm; then
2415 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2416 warn "yasm not found, performance will suffer"
2417 fi
2418
2419 case "$cpu" in
2420 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2421 disable fast_clz
2422 ;;
2423 esac
2424
2425 fi
2426
2427 if check_func dlopen; then
2428 ldl=
2429 elif check_func dlopen -ldl; then
2430 ldl=-ldl
2431 fi
2432
2433 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2434 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2435
2436 check_func fcntl
2437 check_func fork
2438 check_func getaddrinfo $network_extralibs
2439 check_func gethrtime
2440 check_func getrusage
2441 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2442 check_func inet_aton $network_extralibs
2443 check_func isatty
2444 check_func ${malloc_prefix}memalign && enable memalign
2445 check_func mkstemp
2446 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2447 check_func setrlimit
2448 check_func strerror_r
2449 check_func_headers io.h setmode
2450 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2451 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2452 check_func_headers windows.h GetProcessTimes
2453 check_func_headers windows.h VirtualAlloc
2454
2455 check_header conio.h
2456 check_header dlfcn.h
2457 check_header dxva2api.h
2458 check_header malloc.h
2459 check_header poll.h
2460 check_header sys/mman.h
2461 check_header sys/resource.h
2462 check_header sys/select.h
2463 check_header termios.h
2464 check_header vdpau/vdpau.h
2465 check_header vdpau/vdpau_x11.h
2466 check_header X11/extensions/XvMClib.h
2467
2468 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2469
2470 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2471 enabled_any $need_memalign ; then
2472 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2473 fi
2474
2475 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2476 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2477
2478 # check for some common methods of building with pthread support
2479 # do this before the optional library checks as some of them require pthreads
2480 if ! disabled pthreads && ! enabled w32threads; then
2481 enable pthreads
2482 if check_func pthread_create; then
2483 :
2484 elif check_func pthread_create -pthread; then
2485 add_cflags -pthread
2486 add_extralibs -pthread
2487 elif check_func pthread_create -pthreads; then
2488 add_cflags -pthreads
2489 add_extralibs -pthreads
2490 elif check_func pthread_create -lpthreadGC2; then
2491 add_extralibs -lpthreadGC2
2492 elif ! check_lib pthread.h pthread_create -lpthread; then
2493 disable pthreads
2494 fi
2495 fi
2496
2497 for thread in $THREADS_LIST; do
2498 if enabled $thread; then
2499 test -n "$thread_type" &&
2500 die "ERROR: Only one thread type must be selected." ||
2501 thread_type="$thread"
2502 fi
2503 done
2504
2505 check_lib math.h sin -lm
2506 disabled vaapi || check_lib va/va.h vaInitialize -lva
2507
2508 check_mathfunc exp2
2509 check_mathfunc exp2f
2510 check_mathfunc llrint
2511 check_mathfunc llrintf
2512 check_mathfunc log2
2513 check_mathfunc log2f
2514 check_mathfunc lrint
2515 check_mathfunc lrintf
2516 check_mathfunc round
2517 check_mathfunc roundf
2518 check_mathfunc truncf
2519
2520 # these are off by default, so fail if requested and not available
2521 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2522 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2523 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2524 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2525 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2526 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2527 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2528 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2529 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2530 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2531 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2532 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2533 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2534 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2535 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2536 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2537 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2538 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2539 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2540 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2541 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2542 die "ERROR: libx264 version must be >= 0.98."; }
2543 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2544 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2545
2546 # libdc1394 check
2547 if enabled libdc1394; then
2548 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2549 enable libdc1394_2; } ||
2550 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2551 enable libdc1394_1; } ||
2552 die "ERROR: No version of libdc1394 found "
2553 fi
2554
2555 SDL_CONFIG="${cross_prefix}sdl-config"
2556 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2557 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2558 sdl_libs=$("${SDL_CONFIG}" --libs)
2559 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2560 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2561 enable sdl &&
2562 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2563 fi
2564
2565 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2566
2567 if enabled network; then
2568 check_type "sys/types.h sys/socket.h" socklen_t
2569 check_type netdb.h "struct addrinfo"
2570 check_type netinet/in.h "struct ipv6_mreq"
2571 check_type netinet/in.h "struct sockaddr_in6"
2572 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2573 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2574 # Prefer arpa/inet.h over winsock2
2575 if check_header arpa/inet.h ; then
2576 check_func closesocket
2577 elif check_header winsock2.h ; then
2578 check_func_headers winsock2.h closesocket -lws2 && \
2579 network_extralibs="-lws2" || \
2580 { check_func_headers winsock2.h closesocket -lws2_32 && \
2581 network_extralibs="-lws2_32"; }
2582 check_type ws2tcpip.h socklen_t
2583 check_type ws2tcpip.h "struct addrinfo"
2584 check_type ws2tcpip.h "struct ipv6_mreq"
2585 check_type ws2tcpip.h "struct sockaddr_in6"
2586 check_type ws2tcpip.h "struct sockaddr_storage"
2587 check_struct winsock2.h "struct sockaddr" sa_len
2588 else
2589 disable network
2590 fi
2591 fi
2592
2593 check_header linux/videodev.h
2594 check_header linux/videodev2.h
2595 check_header sys/videoio.h
2596
2597 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2598
2599 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2600 { check_header dev/bktr/ioctl_meteor.h &&
2601 check_header dev/bktr/ioctl_bt848.h; } ||
2602 { check_header machine/ioctl_meteor.h &&
2603 check_header machine/ioctl_bt848.h; } ||
2604 { check_header dev/video/meteor/ioctl_meteor.h &&
2605 check_header dev/video/bktr/ioctl_bt848.h; } ||
2606 check_header dev/ic/bt8xx.h
2607
2608 check_header sys/soundcard.h
2609 check_header soundcard.h
2610
2611 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2612
2613 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2614
2615 enabled x11grab &&
2616 check_header X11/Xlib.h &&
2617 check_header X11/extensions/XShm.h &&
2618 check_header X11/extensions/Xfixes.h &&
2619 check_func XOpenDisplay -lX11 &&
2620 check_func XShmCreateImage -lX11 -lXext &&
2621 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2622
2623 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2624 check_cpp_condition \
2625 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2626 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2627 disable vdpau; }
2628 fi
2629
2630 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2631
2632 # add some useful compiler flags if supported
2633 check_cflags -Wdeclaration-after-statement
2634 check_cflags -Wall
2635 check_cflags -Wno-switch
2636 check_cflags -Wdisabled-optimization
2637 check_cflags -Wpointer-arith
2638 check_cflags -Wredundant-decls
2639 check_cflags -Wno-pointer-sign
2640 check_cflags -Wcast-qual
2641 check_cflags -Wwrite-strings
2642 check_cflags -Wtype-limits
2643 check_cflags -Wundef
2644 check_cflags -Wmissing-prototypes
2645 enabled extra_warnings && check_cflags -Winline
2646
2647 # add some linker flags
2648 check_ldflags -Wl,--warn-common
2649 check_ldflags -Wl,--as-needed
2650 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'
2651 check_ldflags -Wl,-Bsymbolic
2652
2653 echo "X{};" > $TMPV
2654 if test_ldflags -Wl,--version-script,$TMPV; then
2655 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2656 check_cc <<EOF && enable symver_asm_label
2657 void ff_foo(void) __asm__ ("av_foo@VERSION");
2658 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2659 EOF
2660 check_cc <<EOF && enable symver_gnu_asm
2661 __asm__(".symver ff_foo,av_foo@VERSION");
2662 void ff_foo(void) {}
2663 EOF
2664 fi
2665
2666 if enabled small; then
2667 add_cflags $size_cflags
2668 optimizations="small"
2669 elif enabled optimizations; then
2670 add_cflags $speed_cflags
2671 else
2672 add_cflags $noopt_cflags
2673 fi
2674 check_cflags -fno-math-errno
2675 check_cflags -fno-signed-zeros
2676
2677 if enabled icc; then
2678 # Just warnings, no remarks
2679 check_cflags -w1
2680 # -wd: Disable following warnings
2681 # 144, 167, 556: -Wno-pointer-sign
2682 # 10006: ignoring unknown option -fno-signed-zeros
2683 # 10156: ignoring option '-W'; no argument required
2684 check_cflags -wd144,167,556,10006,10156
2685 # 11030: Warning unknown option --as-needed
2686 # 10156: ignoring option '-export'; no argument required
2687 check_ldflags -wd10156,11030
2688 # Allow to compile with optimizations
2689 check_ldflags -march=$cpu
2690 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2691 enable ebp_available
2692 elif enabled ccc; then
2693 # disable some annoying warnings
2694 add_cflags -msg_disable cvtu32to64
2695 add_cflags -msg_disable embedcomment
2696 add_cflags -msg_disable needconstext
2697 add_cflags -msg_disable nomainieee
2698 add_cflags -msg_disable ptrmismatch1
2699 add_cflags -msg_disable unreachcode
2700 elif enabled gcc; then
2701 check_cflags -fno-tree-vectorize
2702 check_cflags -Werror=implicit-function-declaration
2703 check_cflags -Werror=missing-prototypes
2704 elif enabled clang; then
2705 check_cflags -Qunused-arguments
2706 elif enabled armcc; then
2707 # 2523: use of inline assembler is deprecated
2708 add_cflags -Wrvct,--diag_suppress=2523
2709 add_cflags -Wrvct,--diag_suppress=1207
2710 elif enabled tms470; then
2711 add_cflags -pds=824 -pds=837
2712 fi
2713
2714 enabled_any $THREADS_LIST && enable threads
2715
2716 check_deps $CONFIG_LIST \
2717 $CONFIG_EXTRA \
2718 $HAVE_LIST \
2719 $DECODER_LIST \
2720 $ENCODER_LIST \
2721 $HWACCEL_LIST \
2722 $PARSER_LIST \
2723 $BSF_LIST \
2724 $DEMUXER_LIST \
2725 $MUXER_LIST \
2726 $FILTER_LIST \
2727 $INDEV_LIST \
2728 $OUTDEV_LIST \
2729 $PROTOCOL_LIST \
2730
2731 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2732
2733 echo "install prefix $prefix"
2734 echo "source path $source_path"
2735 echo "C compiler $cc"
2736 echo "ARCH $arch ($cpu)"
2737 if test "$build_suffix" != ""; then
2738 echo "build suffix $build_suffix"
2739 fi
2740 if test "$extra_version" != ""; then
2741 echo "version string suffix $extra_version"
2742 fi
2743 echo "big-endian ${bigendian-no}"
2744 echo "runtime cpu detection ${runtime_cpudetect-no}"
2745 if enabled x86; then
2746 echo "yasm ${yasm-no}"
2747 echo "MMX enabled ${mmx-no}"
2748 echo "MMX2 enabled ${mmx2-no}"
2749 echo "3DNow! enabled ${amd3dnow-no}"
2750 echo "3DNow! extended enabled ${amd3dnowext-no}"
2751 echo "SSE enabled ${sse-no}"
2752 echo "SSSE3 enabled ${ssse3-no}"
2753 echo "CMOV enabled ${cmov-no}"
2754 echo "CMOV is fast ${fast_cmov-no}"
2755 echo "EBX available ${ebx_available-no}"
2756 echo "EBP available ${ebp_available-no}"
2757 echo "10 operands supported ${ten_operands-no}"
2758 fi
2759 if enabled arm; then
2760 echo "ARMv5TE enabled ${armv5te-no}"
2761 echo "ARMv6 enabled ${armv6-no}"
2762 echo "ARMv6T2 enabled ${armv6t2-no}"
2763 echo "ARM VFP enabled ${armvfp-no}"
2764 echo "IWMMXT enabled ${iwmmxt-no}"
2765 echo "NEON enabled ${neon-no}"
2766 fi
2767 if enabled mips; then
2768 echo "MMI enabled ${mmi-no}"
2769 fi
2770 if enabled ppc; then
2771 echo "AltiVec enabled ${altivec-no}"
2772 echo "PPC 4xx optimizations ${ppc4xx-no}"
2773 echo "dcbzl available ${dcbzl-no}"
2774 fi
2775 if enabled sparc; then
2776 echo "VIS enabled ${vis-no}"
2777 fi
2778 echo "debug symbols ${debug-no}"
2779 echo "strip symbols ${stripping-no}"
2780 echo "optimizations ${optimizations-no}"
2781 echo "static ${static-no}"
2782 echo "shared ${shared-no}"
2783 echo "postprocessing support ${postproc-no}"
2784 echo "new filter support ${avfilter-no}"
2785 echo "filters using lavformat ${avfilter_lavf-no}"
2786 echo "network support ${network-no}"
2787 echo "threading support ${thread_type-no}"
2788 echo "SDL support ${sdl-no}"
2789 echo "Sun medialib support ${mlib-no}"
2790 echo "AVISynth enabled ${avisynth-no}"
2791 echo "libdc1394 support ${libdc1394-no}"
2792 echo "libdirac enabled ${libdirac-no}"
2793 echo "libfaac enabled ${libfaac-no}"
2794 echo "libgsm enabled ${libgsm-no}"
2795 echo "libmp3lame enabled ${libmp3lame-no}"
2796 echo "libnut enabled ${libnut-no}"
2797 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2798 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2799 echo "libopenjpeg enabled ${libopenjpeg-no}"
2800 echo "librtmp enabled ${librtmp-no}"
2801 echo "libschroedinger enabled ${libschroedinger-no}"
2802 echo "libspeex enabled ${libspeex-no}"
2803 echo "libtheora enabled ${libtheora-no}"
2804 echo "libvorbis enabled ${libvorbis-no}"
2805 echo "libvpx enabled ${libvpx-no}"
2806 echo "libx264 enabled ${libx264-no}"
2807 echo "libxvid enabled ${libxvid-no}"
2808 echo "zlib enabled ${zlib-no}"
2809 echo "bzlib enabled ${bzlib-no}"
2810 echo
2811
2812 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2813 echo "Enabled ${type}s:"
2814 eval list=\$$(toupper $type)_LIST
2815 for part in $list; do
2816 enabled $part && echo ${part%_*}
2817 done | sort | pr -3 -t
2818 echo
2819 done
2820
2821 license="LGPL version 2.1 or later"
2822 if enabled nonfree; then
2823 license="nonfree and unredistributable"
2824 elif enabled gplv3; then
2825 license="GPL version 3 or later"
2826 elif enabled lgplv3; then
2827 license="LGPL version 3 or later"
2828 elif enabled gpl; then
2829 license="GPL version 2 or later"
2830 fi
2831
2832 echo "License: $license"
2833
2834 echo "Creating config.mak and config.h..."
2835
2836 # build tree in object directory if source path is different from current one
2837 if enabled source_path_used; then
2838 DIRS="
2839 doc
2840 libavcodec
2841 libavcodec/$arch
2842 libavdevice
2843 libavfilter
2844 libavformat
2845 libavutil
2846 libavutil/$arch
2847 libpostproc
2848 libswscale
2849 libswscale/$arch
2850 tests
2851 tools
2852 "
2853 FILES="
2854 Makefile
2855 common.mak
2856 subdir.mak
2857 doc/texi2pod.pl
2858 libavcodec/Makefile
2859 libavcodec/${arch}/Makefile
2860 libavdevice/Makefile
2861 libavfilter/Makefile
2862 libavformat/Makefile
2863 libavutil/Makefile
2864 libpostproc/Makefile
2865 libswscale/Makefile
2866 "
2867 map 'mkdir -p $v' $DIRS;
2868 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2869 fi
2870
2871 enabled stripping || strip="echo skipping strip"
2872
2873 cat > config.mak <<EOF
2874 # Automatically generated by configure - do not modify!
2875 ifndef FFMPEG_CONFIG_MAK
2876 FFMPEG_CONFIG_MAK=1
2877 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2878 prefix=$prefix
2879 LIBDIR=\$(DESTDIR)$libdir
2880 SHLIBDIR=\$(DESTDIR)$shlibdir
2881 INCDIR=\$(DESTDIR)$incdir
2882 BINDIR=\$(DESTDIR)$bindir
2883 DATADIR=\$(DESTDIR)$datadir
2884 MANDIR=\$(DESTDIR)$mandir
2885 SRC_PATH="$source_path"
2886 SRC_PATH_BARE=$source_path
2887 BUILD_ROOT="$PWD"
2888 ARCH=$arch
2889 CC=$cc
2890 AS=$as
2891 LD=$ld
2892 DEPCC=$dep_cc
2893 YASM=$yasmexe
2894 YASMDEP=$yasmexe
2895 AR=$ar
2896 RANLIB=$ranlib
2897 CP=cp -p
2898 LN_S=$ln_s
2899 STRIP=$strip
2900 CPPFLAGS=$CPPFLAGS
2901 CFLAGS=$CFLAGS
2902 ASFLAGS=$ASFLAGS
2903 CC_O=$CC_O
2904 LDFLAGS=$LDFLAGS
2905 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2906 SHFLAGS=$SHFLAGS
2907 YASMFLAGS=$YASMFLAGS
2908 BUILDSUF=$build_suffix
2909 FULLNAME=$FULLNAME
2910 LIBPREF=$LIBPREF
2911 LIBSUF=$LIBSUF
2912 LIBNAME=$LIBNAME
2913 SLIBPREF=$SLIBPREF
2914 SLIBSUF=$SLIBSUF
2915 EXESUF=$EXESUF
2916 EXTRA_VERSION=$extra_version
2917 DEPFLAGS=$DEPFLAGS
2918 CCDEP=$CCDEP
2919 ASDEP=$ASDEP
2920 CC_DEPFLAGS=$CC_DEPFLAGS
2921 AS_DEPFLAGS=$AS_DEPFLAGS
2922 HOSTCC=$host_cc
2923 HOSTCFLAGS=$host_cflags
2924 HOSTEXESUF=$HOSTEXESUF
2925 HOSTLDFLAGS=$host_ldflags
2926 HOSTLIBS=$host_libs
2927 TARGET_EXEC=$target_exec
2928 TARGET_PATH=$target_path
2929 SDL_LIBS=$sdl_libs
2930 SDL_CFLAGS=$sdl_cflags
2931 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2932 EXTRALIBS=$extralibs
2933 INSTALL=install
2934 LIBTARGET=${LIBTARGET}
2935 SLIBNAME=${SLIBNAME}
2936 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2937 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2938 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2939 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2940 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2941 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2942 SAMPLES=$samples
2943 EOF
2944
2945 get_version(){
2946 name=$1
2947 file=$source_path/$2
2948 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2949 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2950 lcname=$(tolower $name)
2951 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2952 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2953 }
2954
2955 get_version LIBSWSCALE libswscale/swscale.h
2956 get_version LIBPOSTPROC libpostproc/postprocess.h
2957 get_version LIBAVCODEC libavcodec/avcodec.h
2958 get_version LIBAVDEVICE libavdevice/avdevice.h
2959 get_version LIBAVFORMAT libavformat/avformat.h
2960 get_version LIBAVUTIL libavutil/avutil.h
2961 get_version LIBAVFILTER libavfilter/avfilter.h
2962
2963 cat > $TMPH <<EOF
2964 /* Automatically generated by configure - do not modify! */
2965 #ifndef FFMPEG_CONFIG_H
2966 #define FFMPEG_CONFIG_H
2967 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2968 #define FFMPEG_LICENSE "$(c_escape $license)"
2969 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2970 #define CC_TYPE "$cc_type"
2971 #define CC_VERSION $cc_version
2972 #define restrict $_restrict
2973 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
2974 #define EXTERN_PREFIX "${extern_prefix}"
2975 #define EXTERN_ASM ${extern_prefix}
2976 EOF
2977
2978 test -n "$malloc_prefix" &&
2979 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2980
2981 if enabled small || disabled optimizations; then
2982 echo "#undef av_always_inline" >> $TMPH
2983 echo "#define av_always_inline" >> $TMPH
2984 fi
2985
2986 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2987 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2988 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2989 $CONFIG_EXTRA \
2990 $DECODER_LIST \
2991 $ENCODER_LIST \
2992 $HWACCEL_LIST \
2993 $PARSER_LIST \
2994 $BSF_LIST \
2995 $DEMUXER_LIST \
2996 $MUXER_LIST \
2997 $FILTER_LIST \
2998 $PROTOCOL_LIST \
2999 $INDEV_LIST \
3000 $OUTDEV_LIST \
3001
3002 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3003 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3004
3005 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3006 cp_if_changed $TMPH config.h
3007
3008 cat > $TMPH <<EOF
3009 /* Generated by ffconf */
3010 #ifndef AVUTIL_AVCONFIG_H
3011 #define AVUTIL_AVCONFIG_H
3012 EOF
3013
3014 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3015
3016 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3017
3018 cp_if_changed $TMPH libavutil/avconfig.h
3019
3020 test -n "$WARNINGS" && printf "\n$WARNINGS"
3021
3022 # build pkg-config files
3023
3024 pkgconfig_generate(){
3025 name=$1
3026 shortname=${name#lib}${build_suffix}
3027 comment=$2
3028 version=$3
3029 libs=$4
3030 requires=$5
3031 cat <<EOF > $name/$name.pc
3032 prefix=$prefix
3033 exec_prefix=\${prefix}
3034 libdir=$libdir
3035 includedir=$incdir
3036
3037 Name: $name
3038 Description: $comment
3039 Version: $version
3040 Requires: $(enabled shared || echo $requires)
3041 Requires.private: $(enabled shared && echo $requires)
3042 Conflicts:
3043 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3044 Libs.private: $(enabled shared && echo $libs)
3045 Cflags: -I\${includedir}
3046 EOF
3047 cat <<EOF > $name/$name-uninstalled.pc
3048 prefix=
3049 exec_prefix=
3050 libdir=\${pcfiledir}
3051 includedir=${source_path}
3052
3053 Name: $name
3054 Description: $comment
3055 Version: $version
3056 Requires: $requires
3057 Conflicts:
3058 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3059 Cflags: -I\${includedir}
3060 EOF
3061 }
3062
3063 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3064 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3065 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3066 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3067 enabled avfilter &&
3068 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3069 enabled postproc &&
3070 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3071 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"