Check for GNU assembler, use gas-preprocessor on darwin
[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 gnu_as
992 struct_rusage_ru_maxrss
993 ibm_asm
994 inet_aton
995 inline_asm
996 isatty
997 ldbrx
998 libdc1394_1
999 libdc1394_2
1000 llrint
1001 llrintf
1002 local_aligned_16
1003 local_aligned_8
1004 log2
1005 log2f
1006 loongson
1007 lrint
1008 lrintf
1009 lzo1x_999_compress
1010 machine_ioctl_bt848_h
1011 machine_ioctl_meteor_h
1012 malloc_h
1013 memalign
1014 mkstemp
1015 pld
1016 posix_memalign
1017 round
1018 roundf
1019 sdl
1020 sdl_video_size
1021 setmode
1022 socklen_t
1023 soundcard_h
1024 poll_h
1025 setrlimit
1026 strerror_r
1027 struct_addrinfo
1028 struct_ipv6_mreq
1029 struct_sockaddr_in6
1030 struct_sockaddr_sa_len
1031 struct_sockaddr_storage
1032 symver
1033 symver_gnu_asm
1034 symver_asm_label
1035 sys_mman_h
1036 sys_resource_h
1037 sys_select_h
1038 sys_soundcard_h
1039 sys_videoio_h
1040 ten_operands
1041 termios_h
1042 threads
1043 truncf
1044 vfp_args
1045 VirtualAlloc
1046 winsock2_h
1047 xform_asm
1048 yasm
1049 "
1050
1051 # options emitted with CONFIG_ prefix but not available on command line
1052 CONFIG_EXTRA="
1053 avutil
1054 gplv3
1055 lgplv3
1056 "
1057
1058 CMDLINE_SELECT="
1059 $ARCH_EXT_LIST
1060 $CONFIG_LIST
1061 $THREADS_LIST
1062 asm
1063 cross_compile
1064 debug
1065 extra_warnings
1066 logging
1067 optimizations
1068 stripping
1069 yasm
1070 "
1071
1072 PATHS_LIST='
1073 bindir
1074 datadir
1075 incdir
1076 libdir
1077 mandir
1078 prefix
1079 shlibdir
1080 '
1081
1082 CMDLINE_SET="
1083 $PATHS_LIST
1084 ar
1085 arch
1086 as
1087 build_suffix
1088 cc
1089 cpu
1090 cross_prefix
1091 dep_cc
1092 extra_version
1093 host_cc
1094 host_cflags
1095 host_ldflags
1096 host_libs
1097 host_os
1098 ld
1099 logfile
1100 malloc_prefix
1101 nm
1102 samples
1103 source_path
1104 strip
1105 sysinclude
1106 sysroot
1107 target_exec
1108 target_os
1109 target_path
1110 "
1111
1112 CMDLINE_APPEND="
1113 extra_cflags
1114 "
1115
1116 # code dependency declarations
1117
1118 # architecture extensions
1119
1120 armv5te_deps="arm"
1121 armv6_deps="arm"
1122 armv6t2_deps="arm"
1123 armvfp_deps="arm"
1124 iwmmxt_deps="arm"
1125 neon_deps="arm"
1126
1127 mmi_deps="mips"
1128
1129 altivec_deps="ppc"
1130 ppc4xx_deps="ppc"
1131
1132 vis_deps="sparc"
1133
1134 x86_64_suggest="cmov fast_cmov"
1135 amd3dnow_deps="mmx"
1136 amd3dnowext_deps="amd3dnow"
1137 mmx_deps="x86"
1138 mmx2_deps="mmx"
1139 sse_deps="mmx"
1140 ssse3_deps="sse"
1141
1142 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1143 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1144 fast_unaligned_if_any="armv6 ppc x86"
1145
1146 need_memalign="altivec neon sse"
1147 inline_asm_deps="!tms470"
1148
1149 symver_if_any="symver_asm_label symver_gnu_asm"
1150
1151 # subsystems
1152 mdct_select="fft"
1153 rdft_select="fft"
1154
1155 # decoders / encoders / hardware accelerators
1156 aac_decoder_select="mdct rdft aac_parser"
1157 aac_encoder_select="mdct"
1158 ac3_decoder_select="mdct ac3_parser"
1159 alac_encoder_select="lpc"
1160 amrnb_decoder_select="lsp"
1161 atrac1_decoder_select="mdct"
1162 atrac3_decoder_select="mdct"
1163 binkaudio_dct_decoder_select="mdct rdft dct"
1164 binkaudio_rdft_decoder_select="mdct rdft"
1165 cavs_decoder_select="golomb"
1166 cook_decoder_select="mdct"
1167 cscd_decoder_suggest="zlib"
1168 dca_decoder_select="mdct"
1169 dnxhd_encoder_select="aandct"
1170 dxa_decoder_select="zlib"
1171 eac3_decoder_select="ac3_decoder"
1172 eamad_decoder_select="aandct"
1173 eatgq_decoder_select="aandct"
1174 eatqi_decoder_select="aandct"
1175 ffv1_decoder_select="golomb"
1176 flac_decoder_select="golomb"
1177 flac_encoder_select="golomb lpc"
1178 flashsv_decoder_select="zlib"
1179 flashsv_encoder_select="zlib"
1180 flv_decoder_select="h263_decoder"
1181 flv_encoder_select="h263_encoder"
1182 h261_encoder_select="aandct"
1183 h263_decoder_select="h263_parser"
1184 h263_encoder_select="aandct"
1185 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1186 h263i_decoder_select="h263_decoder"
1187 h263p_encoder_select="h263_encoder"
1188 h264_decoder_select="golomb h264dsp"
1189 h264_dxva2_hwaccel_deps="dxva2api_h"
1190 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1191 h264_vaapi_hwaccel_select="vaapi"
1192 h264_vdpau_decoder_select="vdpau h264_decoder"
1193 imc_decoder_select="fft mdct"
1194 jpegls_decoder_select="golomb"
1195 jpegls_encoder_select="golomb"
1196 ljpeg_encoder_select="aandct"
1197 loco_decoder_select="golomb"
1198 mjpeg_encoder_select="aandct"
1199 mlp_decoder_select="mlp_parser"
1200 mp1float_decoder_select="dct"
1201 mp2float_decoder_select="dct"
1202 mp3adufloat_decoder_select="dct"
1203 mp3float_decoder_select="dct"
1204 mp3on4float_decoder_select="dct"
1205 mpeg1video_encoder_select="aandct"
1206 mpeg2video_encoder_select="aandct"
1207 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1208 mpeg4_encoder_select="h263_encoder"
1209 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1210 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1211 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1212 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1213 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1214 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1215 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1216 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1217 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1218 msmpeg4v1_decoder_select="h263_decoder"
1219 msmpeg4v1_encoder_select="h263_encoder"
1220 msmpeg4v2_decoder_select="h263_decoder"
1221 msmpeg4v2_encoder_select="h263_encoder"
1222 msmpeg4v3_decoder_select="h263_decoder"
1223 msmpeg4v3_encoder_select="h263_encoder"
1224 nellymoser_decoder_select="mdct"
1225 nellymoser_encoder_select="mdct"
1226 png_decoder_select="zlib"
1227 png_encoder_select="zlib"
1228 qcelp_decoder_select="lsp"
1229 qdm2_decoder_select="mdct rdft"
1230 ra_144_encoder_select="lpc"
1231 rv10_decoder_select="h263_decoder"
1232 rv10_encoder_select="h263_encoder"
1233 rv20_decoder_select="h263_decoder"
1234 rv20_encoder_select="h263_encoder"
1235 rv30_decoder_select="golomb h264dsp"
1236 rv40_decoder_select="golomb h264dsp"
1237 shorten_decoder_select="golomb"
1238 sipr_decoder_select="lsp"
1239 snow_decoder_select="dwt"
1240 snow_encoder_select="aandct dwt"
1241 sonic_decoder_select="golomb"
1242 sonic_encoder_select="golomb"
1243 sonic_ls_encoder_select="golomb"
1244 svq1_encoder_select="aandct"
1245 svq3_decoder_select="golomb h264dsp"
1246 svq3_decoder_suggest="zlib"
1247 theora_decoder_select="vp3_decoder"
1248 tiff_decoder_suggest="zlib"
1249 tiff_encoder_suggest="zlib"
1250 truehd_decoder_select="mlp_decoder"
1251 tscc_decoder_select="zlib"
1252 twinvq_decoder_select="mdct lsp"
1253 vc1_decoder_select="h263_decoder"
1254 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1255 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1256 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1257 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1258 vorbis_decoder_select="mdct"
1259 vorbis_encoder_select="mdct"
1260 vp6a_decoder_select="vp6_decoder"
1261 vp6f_decoder_select="vp6_decoder"
1262 vp8_decoder_select="h264dsp"
1263 wmapro_decoder_select="mdct"
1264 wmav1_decoder_select="mdct"
1265 wmav1_encoder_select="mdct"
1266 wmav2_decoder_select="mdct"
1267 wmav2_encoder_select="mdct"
1268 wmavoice_decoder_select="lsp rdft dct"
1269 wmv1_decoder_select="h263_decoder"
1270 wmv1_encoder_select="h263_encoder"
1271 wmv2_decoder_select="h263_decoder"
1272 wmv2_encoder_select="h263_encoder"
1273 wmv3_decoder_select="vc1_decoder"
1274 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1275 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1276 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1277 zlib_decoder_select="zlib"
1278 zlib_encoder_select="zlib"
1279 zmbv_decoder_select="zlib"
1280 zmbv_encoder_select="zlib"
1281
1282 vaapi_deps="va_va_h"
1283 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1284
1285 # parsers
1286 h264_parser_select="golomb h264dsp"
1287
1288 # bitstream_filters
1289 aac_adtstoasc_bsf_select="aac_parser"
1290
1291 # external libraries
1292 libdirac_decoder_deps="libdirac !libschroedinger"
1293 libdirac_encoder_deps="libdirac"
1294 libfaac_encoder_deps="libfaac"
1295 libgsm_decoder_deps="libgsm"
1296 libgsm_encoder_deps="libgsm"
1297 libgsm_ms_decoder_deps="libgsm"
1298 libgsm_ms_encoder_deps="libgsm"
1299 libmp3lame_encoder_deps="libmp3lame"
1300 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1301 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1302 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1303 libopenjpeg_decoder_deps="libopenjpeg"
1304 libschroedinger_decoder_deps="libschroedinger"
1305 libschroedinger_encoder_deps="libschroedinger"
1306 libspeex_decoder_deps="libspeex"
1307 libtheora_encoder_deps="libtheora"
1308 libvorbis_encoder_deps="libvorbis"
1309 libvpx_decoder_deps="libvpx"
1310 libvpx_encoder_deps="libvpx"
1311 libx264_encoder_deps="libx264"
1312 libxvid_encoder_deps="libxvid"
1313
1314 # demuxers / muxers
1315 ac3_demuxer_deps="ac3_parser"
1316 asf_stream_muxer_select="asf_muxer"
1317 avisynth_demuxer_deps="avisynth"
1318 dirac_demuxer_deps="dirac_parser"
1319 eac3_demuxer_select="ac3_parser"
1320 ipod_muxer_select="mov_muxer"
1321 libnut_demuxer_deps="libnut"
1322 libnut_muxer_deps="libnut"
1323 matroska_audio_muxer_select="matroska_muxer"
1324 matroska_demuxer_suggest="zlib bzlib"
1325 mov_demuxer_suggest="zlib"
1326 mp3_demuxer_deps="mpegaudio_parser"
1327 mp4_muxer_select="mov_muxer"
1328 mpegtsraw_demuxer_select="mpegts_demuxer"
1329 mxf_d10_muxer_select="mxf_muxer"
1330 ogg_demuxer_select="golomb"
1331 psp_muxer_select="mov_muxer"
1332 rtsp_demuxer_deps="sdp_demuxer"
1333 rtsp_muxer_deps="sdp_demuxer"
1334 rtsp_muxer_select="rtp_muxer"
1335 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1336 sdp_demuxer_select="asf_demuxer rm_demuxer"
1337 spdif_muxer_select="aac_parser"
1338 tg2_muxer_select="mov_muxer"
1339 tgp_muxer_select="mov_muxer"
1340 w64_demuxer_deps="wav_demuxer"
1341
1342 # indevs / outdevs
1343 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1344 alsa_indev_extralibs="-lasound"
1345 alsa_outdev_deps="alsa_asoundlib_h"
1346 alsa_outdev_extralibs="-lasound"
1347 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1348 dv1394_indev_deps="dv1394 dv_demuxer"
1349 jack_indev_deps="jack_jack_h"
1350 jack_indev_extralibs="-ljack"
1351 libdc1394_indev_deps="libdc1394"
1352 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1353 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1354 v4l_indev_deps="linux_videodev_h"
1355 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1356 vfwcap_indev_deps="capCreateCaptureWindow"
1357 vfwcap_indev_extralibs="-lavicap32"
1358 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1359 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1360
1361 # protocols
1362 gopher_protocol_deps="network"
1363 http_protocol_deps="network"
1364 http_protocol_select="tcp_protocol"
1365 mmst_protocol_deps="network"
1366 rtmp_protocol_select="tcp_protocol"
1367 rtp_protocol_select="udp_protocol"
1368 tcp_protocol_deps="network"
1369 udp_protocol_deps="network"
1370
1371 # filters
1372 movie_filter_deps="avfilter_lavf"
1373 avfilter_lavf_deps="avformat"
1374
1375 # libraries
1376 avdevice_deps="avcodec avformat"
1377 avformat_deps="avcodec"
1378
1379 # programs
1380 ffmpeg_deps="avcodec avformat swscale"
1381 ffmpeg_select="buffer_filter"
1382 ffplay_deps="avcodec avformat swscale sdl"
1383 ffplay_select="rdft"
1384 ffprobe_deps="avcodec avformat"
1385 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1386 ffserver_extralibs='$ldl'
1387
1388 doc_deps="texi2html"
1389
1390 # default parameters
1391
1392 logfile="config.log"
1393
1394 # installation paths
1395 prefix_default="/usr/local"
1396 bindir_default='${prefix}/bin'
1397 datadir_default='${prefix}/share/ffmpeg'
1398 incdir_default='${prefix}/include'
1399 libdir_default='${prefix}/lib'
1400 mandir_default='${prefix}/share/man'
1401 shlibdir_default="$libdir_default"
1402
1403 # toolchain
1404 ar_default="ar"
1405 cc_default="gcc"
1406 cc_version=\"unknown\"
1407 host_cc_default="gcc"
1408 ln_s="ln -sf"
1409 nm_default="nm"
1410 objformat="elf"
1411 ranlib="ranlib"
1412 strip_default="strip"
1413 yasmexe="yasm"
1414
1415 nm_opts='-g'
1416
1417 # machine
1418 arch_default=$(uname -m)
1419 cpu="generic"
1420
1421 # OS
1422 target_os_default=$(tolower $(uname -s))
1423 host_os=$target_os_default
1424
1425 # configurable options
1426 enable avcodec
1427 enable avdevice
1428 enable avfilter
1429 enable avformat
1430 enable avutil
1431 enable asm
1432 enable debug
1433 enable doc
1434 enable fastdiv
1435 enable ffmpeg
1436 enable ffplay
1437 enable ffprobe
1438 enable ffserver
1439 enable mpegaudio_hp
1440 enable network
1441 enable optimizations
1442 enable protocols
1443 enable static
1444 enable stripping
1445 enable swscale
1446 enable swscale_alpha
1447
1448 # build settings
1449 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1450 FFSERVERLDFLAGS=-Wl,-E
1451 LIBPREF="lib"
1452 LIBSUF=".a"
1453 FULLNAME='$(NAME)$(BUILDSUF)'
1454 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1455 SLIBPREF="lib"
1456 SLIBSUF=".so"
1457 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1458 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1459 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1460 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1461
1462 CC_O='-o $@'
1463
1464 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1465 host_libs='-lm'
1466
1467 target_path='$(CURDIR)'
1468
1469 # since the object filename is not given with the -MM flag, the compiler
1470 # is only able to print the basename, and we must add the path ourselves
1471 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1472 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1473
1474 # find source path
1475 source_path="$(dirname "$0")"
1476 enable source_path_used
1477 if test -f configure; then
1478 source_path="$(pwd)"
1479 disable source_path_used
1480 else
1481 source_path="$(cd "$source_path"; pwd)"
1482 echo "$source_path" | grep -q '[[:blank:]]' &&
1483 die "Out of tree builds are impossible with whitespace in source path."
1484 test -e "$source_path/config.h" &&
1485 die "Out of tree builds are impossible with config.h in source dir."
1486 fi
1487
1488 for v in "$@"; do
1489 r=${v#*=}
1490 l=${v%"$r"}
1491 r=$(sh_quote "$r")
1492 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1493 done
1494
1495 find_things(){
1496 thing=$1
1497 pattern=$2
1498 file=$source_path/$3
1499 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1500 }
1501
1502 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1503 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1504 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1505 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1506 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1507 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1508 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1509 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1510 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1511 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1512 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1513
1514 for n in $COMPONENT_LIST; do
1515 v=$(toupper ${n%s})_LIST
1516 eval enable \$$v
1517 eval ${n}_if_any="\$$v"
1518 done
1519
1520 enable $ARCH_EXT_LIST
1521
1522 die_unknown(){
1523 echo "Unknown option \"$1\"."
1524 echo "See $0 --help for available options."
1525 exit 1
1526 }
1527
1528 show_list() {
1529 suffix=_$1
1530 shift
1531 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1532 exit 0
1533 }
1534
1535 for opt do
1536 optval="${opt#*=}"
1537 case "$opt" in
1538 --extra-ldflags=*) add_ldflags $optval
1539 ;;
1540 --extra-libs=*) add_extralibs $optval
1541 ;;
1542 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1543 ;;
1544 --enable-debug=*) debuglevel="$optval"
1545 ;;
1546 --disable-everything)
1547 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1548 ;;
1549 --enable-*=*|--disable-*=*)
1550 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1551 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1552 eval list=\$$(toupper $thing)_LIST
1553 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1554 $action $(filter "$name" $list)
1555 ;;
1556 --enable-?*|--disable-?*)
1557 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1558 if is_in $option $COMPONENT_LIST; then
1559 test $action = disable && action=unset
1560 eval $action \$$(toupper ${option%s})_LIST
1561 elif is_in $option $CMDLINE_SELECT; then
1562 $action $option
1563 else
1564 die_unknown $opt
1565 fi
1566 ;;
1567 --list-*)
1568 NAME="${opt#--list-}"
1569 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1570 NAME=${NAME%s}
1571 eval show_list $NAME \$$(toupper $NAME)_LIST
1572 ;;
1573 --help|-h) show_help
1574 ;;
1575 *)
1576 optname="${opt%%=*}"
1577 optname="${optname#--}"
1578 optname=$(echo "$optname" | sed 's/-/_/g')
1579 if is_in $optname $CMDLINE_SET; then
1580 eval $optname='$optval'
1581 elif is_in $optname $CMDLINE_APPEND; then
1582 append $optname "$optval"
1583 else
1584 die_unknown $opt
1585 fi
1586 ;;
1587 esac
1588 done
1589
1590 disabled logging && logfile=/dev/null
1591
1592 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1593 set >> $logfile
1594
1595 test -n "$cross_prefix" && enable cross_compile
1596
1597 if enabled cross_compile; then
1598 test -n "$arch" && test -n "$target_os" ||
1599 die "Must specify target arch and OS when cross-compiling"
1600 fi
1601
1602 set_default arch target_os
1603
1604 ar_default="${cross_prefix}${ar_default}"
1605 cc_default="${cross_prefix}${cc_default}"
1606 nm_default="${cross_prefix}${nm_default}"
1607 ranlib="${cross_prefix}${ranlib}"
1608 strip_default="${cross_prefix}${strip_default}"
1609
1610 sysinclude_default="${sysroot}/usr/include"
1611
1612 set_default cc nm strip sysinclude
1613 enabled cross_compile || host_cc_default=$cc
1614 set_default host_cc
1615
1616 exesuf() {
1617 case $1 in
1618 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1619 esac
1620 }
1621
1622 EXESUF=$(exesuf $target_os)
1623 HOSTEXESUF=$(exesuf $host_os)
1624
1625 # set temporary file name
1626 : ${TMPDIR:=$TEMPDIR}
1627 : ${TMPDIR:=$TMP}
1628 : ${TMPDIR:=/tmp}
1629
1630 if ! check_cmd type mktemp; then
1631 # simple replacement for missing mktemp
1632 # NOT SAFE FOR GENERAL USE
1633 mktemp(){
1634 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1635 }
1636 fi
1637
1638 tmpfile(){
1639 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1640 (set -C; exec > $tmp) 2>/dev/null ||
1641 die "Unable to create temporary file in $TMPDIR."
1642 append TMPFILES $tmp
1643 eval $1=$tmp
1644 }
1645
1646 trap 'rm -f -- $TMPFILES' EXIT
1647 trap exit HUP INT TERM
1648
1649 tmpfile TMPC .c
1650 tmpfile TMPE $EXESUF
1651 tmpfile TMPH .h
1652 tmpfile TMPO .o
1653 tmpfile TMPS .S
1654 tmpfile TMPV .ver
1655 tmpfile TMPSH .sh
1656
1657 unset -f mktemp
1658
1659 # make sure we can execute files in $TMPDIR
1660 cat > $TMPSH 2>> $logfile <<EOF
1661 #! /bin/sh
1662 EOF
1663 chmod +x $TMPSH >> $logfile 2>&1
1664 if ! $TMPSH >> $logfile 2>&1; then
1665 cat <<EOF
1666 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1667 variable to another directory and make sure that it is not mounted noexec.
1668 EOF
1669 die "Sanity test failed."
1670 fi
1671
1672 filter_cflags=echo
1673 filter_cppflags=echo
1674 filter_asflags=echo
1675
1676 if $cc -v 2>&1 | grep -qi ^gcc; then
1677 cc_type=gcc
1678 cc_version=__VERSION__
1679 if ! $cc -dumpversion | grep -q '^2\.'; then
1680 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1681 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1682 fi
1683 speed_cflags='-O3'
1684 size_cflags='-Os'
1685 elif $cc --version 2>/dev/null | grep -q Intel; then
1686 cc_type=icc
1687 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1688 CC_DEPFLAGS='-MMD'
1689 AS_DEPFLAGS='-MMD'
1690 speed_cflags='-O3'
1691 size_cflags='-Os'
1692 noopt_cflags='-O1'
1693 elif $cc -v 2>&1 | grep -q xlc; then
1694 cc_type=xlc
1695 cc_version="AV_STRINGIFY(__IBMC__)"
1696 speed_cflags='-O5'
1697 size_cflags='-O5 -qcompact'
1698 elif $cc -V 2>/dev/null | grep -q Compaq; then
1699 cc_type=ccc
1700 cc_version="AV_STRINGIFY(__DECC_VER)"
1701 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1702 debuglevel=3
1703 add_ldflags -Wl,-z,now # calls to libots crash without this
1704 speed_cflags='-fast'
1705 size_cflags='-O1'
1706 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1707 test -d "$sysroot" || die "No valid sysroot specified."
1708 cc_type=armcc
1709 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1710 armcc_conf="$PWD/armcc.conf"
1711 $cc --arm_linux_configure \
1712 --arm_linux_config_file="$armcc_conf" \
1713 --configure_sysroot="$sysroot" \
1714 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1715 die "Error creating armcc configuration file."
1716 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1717 as_default="${cross_prefix}gcc"
1718 CC_DEPFLAGS='-MMD'
1719 AS_DEPFLAGS='-MMD'
1720 speed_cflags='-O3'
1721 size_cflags='-Os'
1722 elif $cc -version 2>/dev/null | grep -q TMS470; then
1723 cc_type=tms470
1724 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1725 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1726 CC_O='-fr=$(@D)'
1727 as_default="${cross_prefix}gcc"
1728 ld_default="${cross_prefix}gcc"
1729 TMPO=$(basename $TMPC .c).o
1730 append TMPFILES $TMPO
1731 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1732 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1733 AS_DEPFLAGS='-MMD'
1734 speed_cflags='-O3 -mf=5'
1735 size_cflags='-O3 -mf=2'
1736 filter_cflags=tms470_flags
1737 tms470_flags(){
1738 for flag; do
1739 case $flag in
1740 -march=*|-mcpu=*)
1741 case "${flag#*=}" in
1742 armv7-a|cortex-a*) echo -mv=7a8 ;;
1743 armv7-r|cortex-r*) echo -mv=7r4 ;;
1744 armv7-m|cortex-m*) echo -mv=7m3 ;;
1745 armv6*|arm11*) echo -mv=6 ;;
1746 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1747 echo -mv=5e ;;
1748 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1749 esac
1750 ;;
1751 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1752 -mfpu=vfp) echo --float_support=vfpv2 ;;
1753 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1754 -msoft-float) echo --float_support=vfplib ;;
1755 -O[0-3]|-mf=*) echo $flag ;;
1756 -g) echo -g -mn ;;
1757 -pds=*) echo $flag ;;
1758 esac
1759 done
1760 }
1761 elif $cc -v 2>&1 | grep -q clang; then
1762 cc_type=clang
1763 cc_version=__VERSION__
1764 CC_DEPFLAGS='-MMD'
1765 AS_DEPFLAGS='-MMD'
1766 speed_cflags='-O3'
1767 size_cflags='-Os'
1768 elif $cc -V 2>&1 | grep -q Sun; then
1769 cc_type=suncc
1770 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1771 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1772 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1773 speed_cflags='-O5'
1774 size_cflags='-O5 -xspace'
1775 filter_cflags=suncc_flags
1776 suncc_flags(){
1777 for flag; do
1778 case $flag in
1779 -march=*|-mcpu=*)
1780 case "${flag#*=}" in
1781 native) echo -xtarget=native ;;
1782 v9|niagara) echo -xarch=sparc ;;
1783 ultrasparc) echo -xarch=sparcvis ;;
1784 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1785 i586|pentium) echo -xchip=pentium ;;
1786 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1787 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1788 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1789 pentium4*) echo -xtarget=pentium4 ;;
1790 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1791 *-sse3) echo -xarch=sse3 ;;
1792 core2) echo -xarch=ssse3 -xchip=core2 ;;
1793 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1794 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1795 k8|opteron|athlon64|athlon-fx)
1796 echo -xarch=sse2a ;;
1797 athlon*) echo -xarch=pentium_proa ;;
1798 esac
1799 ;;
1800 -std=c99) echo -xc99 ;;
1801 -fomit-frame-pointer) echo -xregs=frameptr ;;
1802 -fPIC) echo -KPIC -xcode=pic32 ;;
1803 -W*,*) echo $flag ;;
1804 -f*-*|-W*) ;;
1805 *) echo $flag ;;
1806 esac
1807 done
1808 }
1809 fi
1810
1811 test -n "$cc_type" && enable $cc_type ||
1812 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1813
1814 : ${as_default:=$cc}
1815 : ${dep_cc_default:=$cc}
1816 : ${ld_default:=$cc}
1817 set_default ar as dep_cc ld
1818
1819 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1820 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1821
1822 add_cflags $extra_cflags
1823 add_asflags $extra_cflags
1824
1825 if test -n "$sysroot"; then
1826 case "$cc_type" in
1827 gcc)
1828 add_cppflags --sysroot="$sysroot"
1829 add_ldflags --sysroot="$sysroot"
1830 ;;
1831 tms470)
1832 add_cppflags -I"$sysinclude"
1833 add_ldflags --sysroot="$sysroot"
1834 ;;
1835 clang)
1836 add_cppflags -isysroot "$sysroot"
1837 add_ldflags -isysroot "$sysroot"
1838 ;;
1839 esac
1840 fi
1841
1842 if test "$cpu" = host; then
1843 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1844
1845 case "$cc_type" in
1846 gcc)
1847 check_native(){
1848 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1849 sed -n "/$1=/{
1850 s/.*$1=\\([^ ]*\\).*/\\1/
1851 p
1852 q
1853 }" $TMPE
1854 }
1855 cpu=$(check_native -march || check_native -mcpu)
1856 ;;
1857 esac
1858
1859 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1860 fi
1861
1862 # Deal with common $arch aliases
1863 case "$arch" in
1864 arm*)
1865 arch="arm"
1866 ;;
1867 mips|mipsel|IP*)
1868 arch="mips"
1869 ;;
1870 mips64*)
1871 arch="mips"
1872 subarch="mips64"
1873 ;;
1874 parisc|hppa)
1875 arch="parisc"
1876 ;;
1877 parisc64|hppa64)
1878 arch="parisc"
1879 subarch="parisc64"
1880 ;;
1881 "Power Macintosh"|ppc|powerpc)
1882 arch="ppc"
1883 ;;
1884 ppc64|powerpc64)
1885 arch="ppc"
1886 subarch="ppc64"
1887 ;;
1888 s390|s390x)
1889 arch="s390"
1890 ;;
1891 sh4|sh)
1892 arch="sh4"
1893 ;;
1894 sun4u|sparc64)
1895 arch="sparc"
1896 subarch="sparc64"
1897 ;;
1898 i[3-6]86|i86pc|BePC|x86_64|amd64)
1899 arch="x86"
1900 ;;
1901 esac
1902
1903 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
1904 enable $arch
1905
1906 # Add processor-specific flags
1907 if test "$cpu" = generic; then
1908 : do nothing
1909 elif enabled ppc; then
1910
1911 case $(tolower $cpu) in
1912 601|ppc601|powerpc601)
1913 cpuflags="-mcpu=601"
1914 disable altivec
1915 ;;
1916 603*|ppc603*|powerpc603*)
1917 cpuflags="-mcpu=603"
1918 disable altivec
1919 ;;
1920 604*|ppc604*|powerpc604*)
1921 cpuflags="-mcpu=604"
1922 disable altivec
1923 ;;
1924 g3|75*|ppc75*|powerpc75*)
1925 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1926 disable altivec
1927 ;;
1928 g4|745*|ppc745*|powerpc745*)
1929 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1930 ;;
1931 74*|ppc74*|powerpc74*)
1932 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1933 ;;
1934 g5|970|ppc970|powerpc970|power4*)
1935 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1936 ;;
1937 cell)
1938 cpuflags="-mcpu=cell"
1939 enable ldbrx
1940 ;;
1941 e500v2)
1942 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1943 disable altivec
1944 ;;
1945 e500)
1946 cpuflags="-mcpu=8540 -mhard-float"
1947 disable altivec
1948 ;;
1949 esac
1950
1951 elif enabled x86; then
1952
1953 case $cpu in
1954 i[345]86|pentium)
1955 cpuflags="-march=$cpu"
1956 disable mmx
1957 ;;
1958 # targets that do NOT support conditional mov (cmov)
1959 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1960 cpuflags="-march=$cpu"
1961 disable cmov
1962 ;;
1963 # targets that do support conditional mov (cmov)
1964 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
1965 cpuflags="-march=$cpu"
1966 enable cmov
1967 enable fast_cmov
1968 ;;
1969 # targets that do support conditional mov but on which it's slow
1970 pentium4|pentium4m|prescott|nocona)
1971 cpuflags="-march=$cpu"
1972 enable cmov
1973 disable fast_cmov
1974 ;;
1975 esac
1976
1977 elif enabled sparc; then
1978
1979 case $cpu in
1980 niagara)
1981 cpuflags="-mcpu=$cpu"
1982 disable vis
1983 ;;
1984 sparc64)
1985 cpuflags="-mcpu=v9"
1986 ;;
1987 esac
1988
1989 elif enabled arm; then
1990
1991 case $cpu in
1992 armv*)
1993 cpuflags="-march=$cpu"
1994 ;;
1995 *)
1996 cpuflags="-mcpu=$cpu"
1997 ;;
1998 esac
1999
2000 elif enabled alpha; then
2001
2002 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2003
2004 elif enabled bfin; then
2005
2006 cpuflags="-mcpu=$cpu"
2007
2008 elif enabled mips; then
2009
2010 cpuflags="-march=$cpu"
2011
2012 elif enabled avr32; then
2013
2014 case $cpu in
2015 ap7[02]0[0-2])
2016 subarch="avr32_ap"
2017 cpuflags="-mpart=$cpu"
2018 ;;
2019 ap)
2020 subarch="avr32_ap"
2021 cpuflags="-march=$cpu"
2022 ;;
2023 uc3[ab]*)
2024 subarch="avr32_uc"
2025 cpuflags="-mcpu=$cpu"
2026 ;;
2027 uc)
2028 subarch="avr32_uc"
2029 cpuflags="-march=$cpu"
2030 ;;
2031 esac
2032
2033 fi
2034
2035 add_cflags $cpuflags
2036 add_asflags $cpuflags
2037
2038 # compiler sanity check
2039 check_exec <<EOF
2040 int main(void){ return 0; }
2041 EOF
2042 if test "$?" != 0; then
2043 echo "$cc is unable to create an executable file."
2044 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2045 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2046 echo "Only do this if you know what cross compiling means."
2047 fi
2048 die "C compiler test failed."
2049 fi
2050
2051 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2052 check_cflags -std=c99
2053 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2054 #include <stdlib.h>
2055 EOF
2056 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2057 #include <stdlib.h>
2058 EOF
2059
2060 check_host_cflags -std=c99
2061
2062 case "$arch" in
2063 alpha|ia64|mips|parisc|sparc)
2064 spic=$shared
2065 ;;
2066 x86)
2067 subarch="x86_32"
2068 check_cc <<EOF && subarch="x86_64"
2069 int test[(int)sizeof(char*) - 7];
2070 EOF
2071 if test "$subarch" = "x86_64"; then
2072 spic=$shared
2073 fi
2074 ;;
2075 esac
2076
2077 enable $subarch
2078 enabled spic && enable pic
2079
2080 # OS specific
2081 case $target_os in
2082 haiku)
2083 prefix_default="/boot/common"
2084 network_extralibs="-lnetwork"
2085 ;;
2086 sunos)
2087 FFSERVERLDFLAGS=""
2088 SHFLAGS='-shared -Wl,-h,$$(@F)'
2089 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2090 network_extralibs="-lsocket -lnsl"
2091 add_cppflags -D__EXTENSIONS__
2092 nm_opts='-P -g'
2093 ;;
2094 netbsd)
2095 oss_indev_extralibs="-lossaudio"
2096 oss_outdev_extralibs="-lossaudio"
2097 add_cppflags -D_XOPEN_SOURCE=600
2098 ;;
2099 openbsd)
2100 enable malloc_aligned
2101 # On OpenBSD 4.5. the compiler does not use PIC unless
2102 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2103 # however the generated executable will not do anything
2104 # (simply quits with exit-code 1, no crash, no output).
2105 # Thus explicitly enable PIC here.
2106 enable pic
2107 SHFLAGS='-shared'
2108 oss_indev_extralibs="-lossaudio"
2109 oss_outdev_extralibs="-lossaudio"
2110 ;;
2111 freebsd|dragonfly)
2112 enable malloc_aligned
2113 ;;
2114 bsd/os)
2115 osextralibs="-lpoll -lgnugetopt"
2116 strip="strip -d"
2117 ;;
2118 darwin)
2119 enable malloc_aligned
2120 as="gas-preprocessor.pl $cc"
2121 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2122 strip="${strip} -x"
2123 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2124 SLIBSUF=".dylib"
2125 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2126 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2127 FFSERVERLDFLAGS=-Wl,-bind_at_load
2128 objformat="macho"
2129 enabled x86_64 && objformat="macho64"
2130 enabled_any pic shared ||
2131 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2132 ;;
2133 mingw32*)
2134 if test $target_os = "mingw32ce"; then
2135 disable network
2136 else
2137 target_os=mingw32
2138 fi
2139 LIBTARGET=i386
2140 if enabled x86_64; then
2141 enable malloc_aligned
2142 LIBTARGET=x64
2143 elif enabled arm; then
2144 LIBTARGET=arm
2145 fi
2146 shlibdir_default="$bindir_default"
2147 disable ffserver
2148 SLIBPREF=""
2149 SLIBSUF=".dll"
2150 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2151 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2152 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2153 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2154 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2155 install -d "$(LIBDIR)"; \
2156 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2157 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2158 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2159 objformat="win32"
2160 enable dos_paths
2161 check_cflags -fno-common
2162 if ! enabled x86_64; then
2163 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2164 die "ERROR: MinGW runtime version must be >= 3.15."
2165 enabled_any avisynth vfwcap_indev &&
2166 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2167 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2168 fi
2169 ;;
2170 cygwin*)
2171 target_os=cygwin
2172 shlibdir_default="$bindir_default"
2173 SLIBPREF="cyg"
2174 SLIBSUF=".dll"
2175 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2176 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2177 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2178 objformat="win32"
2179 enable dos_paths
2180 check_cflags -fno-common
2181 ;;
2182 *-dos|freedos|opendos)
2183 disable ffplay ffserver
2184 disable $INDEV_LIST $OUTDEV_LIST
2185 network_extralibs="-lsocket"
2186 objformat="coff"
2187 enable dos_paths
2188 ;;
2189 linux)
2190 enable dv1394
2191 ;;
2192 irix*)
2193 target_os=irix
2194 ranlib="echo ignoring ranlib"
2195 ;;
2196 os/2*)
2197 strip="lxlite"
2198 ln_s="cp -f"
2199 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2200 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2201 FFSERVERLDFLAGS=""
2202 LIBSUF="_s.a"
2203 SLIBPREF=""
2204 SLIBSUF=".dll"
2205 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2206 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2207 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2208 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2209 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2210 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2211 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2212 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2213 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2214 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2215 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2216 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2217 enable dos_paths
2218 ;;
2219 gnu/kfreebsd)
2220 ;;
2221 gnu)
2222 ;;
2223 none)
2224 ;;
2225 *)
2226 die "Unknown OS '$target_os'."
2227 ;;
2228 esac
2229
2230 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2231
2232 set_default $PATHS_LIST
2233
2234 add_extralibs $osextralibs
2235
2236 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2237 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2238
2239 # we need to build at least one lib type
2240 if ! enabled_any static shared; then
2241 cat <<EOF
2242 At least one library type must be built.
2243 Specify --enable-static to build the static libraries or --enable-shared to
2244 build the shared libraries as well. To only build the shared libraries specify
2245 --disable-static in addition to --enable-shared.
2246 EOF
2247 exit 1;
2248 fi
2249
2250 disabled static && LIBNAME=""
2251
2252 die_license_disabled() {
2253 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2254 }
2255
2256 die_license_disabled gpl libx264
2257 die_license_disabled gpl libxvid
2258 die_license_disabled gpl postproc
2259 die_license_disabled gpl x11grab
2260
2261 die_license_disabled nonfree libfaac
2262
2263 die_license_disabled version3 libopencore_amrnb
2264 die_license_disabled version3 libopencore_amrwb
2265
2266 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2267
2268 check_deps $ARCH_EXT_LIST
2269
2270 disabled optimizations || check_cflags -fomit-frame-pointer
2271
2272 enable_pic() {
2273 enable pic
2274 add_cppflags -DPIC
2275 add_cflags -fPIC
2276 add_asflags -fPIC
2277 }
2278
2279 enabled pic && enable_pic
2280
2281 check_cc <<EOF || die "Symbol mangling check failed."
2282 int ff_extern;
2283 EOF
2284 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2285 extern_prefix=${sym%%ff_extern*}
2286
2287 check_cc <<EOF && enable inline_asm
2288 void foo(void) { __asm__ volatile ("" ::); }
2289 EOF
2290
2291 _restrict=
2292 for restrict_keyword in restrict __restrict__ __restrict; do
2293 check_cc <<EOF && _restrict=$restrict_keyword && break
2294 void foo(char * $restrict_keyword p);
2295 EOF
2296 done
2297
2298 check_cc <<EOF && enable attribute_packed
2299 struct { int x; } __attribute__((packed)) x;
2300 EOF
2301
2302 check_cc <<EOF && enable attribute_may_alias
2303 union { int x; } __attribute__((may_alias)) x;
2304 EOF
2305
2306 check_cc <<EOF || die "endian test failed"
2307 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2308 EOF
2309 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2310
2311 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2312 warn "GNU assembler not found, install gas-preprocessor"
2313
2314 if enabled alpha; then
2315
2316 check_cflags -mieee
2317
2318 elif enabled arm; then
2319
2320 check_cflags -marm
2321
2322 check_ld <<EOF && enable vfp_args
2323 __asm__ (".eabi_attribute 28, 1");
2324 int main(void) { return 0; }
2325 EOF
2326
2327 # We have to check if pld is a nop and disable it.
2328 check_asm pld '"pld [r0]"'
2329
2330 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2331 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2332 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2333 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2334 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2335 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2336
2337 enabled_all armv6t2 shared !pic && enable_pic
2338
2339 elif enabled mips; then
2340
2341 check_asm loongson '"dmult.g $1, $2, $3"'
2342 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2343
2344 elif enabled ppc; then
2345
2346 enable local_aligned_8 local_aligned_16
2347
2348 check_asm dcbzl '"dcbzl 0, 1"'
2349 check_asm ibm_asm '"add 0, 0, 0"'
2350 check_asm ppc4xx '"maclhw r10, r11, r12"'
2351 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2352
2353 # AltiVec flags: The FSF version of GCC differs from the Apple version
2354 if enabled altivec; then
2355 check_cflags -maltivec -mabi=altivec &&
2356 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2357 check_cflags -faltivec
2358
2359 # check if our compiler supports Motorola AltiVec C API
2360 check_cc <<EOF || disable altivec
2361 $inc_altivec_h
2362 int main(void) {
2363 vector signed int v1, v2, v3;
2364 v1 = vec_add(v2,v3);
2365 return 0;
2366 }
2367 EOF
2368
2369 # check if our compiler supports braces for vector declarations
2370 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2371 $inc_altivec_h
2372 int main (void) { (vector int) {1}; return 0; }
2373 EOF
2374 fi
2375
2376 elif enabled sparc; then
2377
2378 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2379 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2380
2381 elif enabled x86; then
2382
2383 enable local_aligned_8 local_aligned_16
2384
2385 # check whether EBP is available on x86
2386 # As 'i' is stored on the stack, this program will crash
2387 # if the base pointer is used to access it because the
2388 # base pointer is cleared in the inline assembly code.
2389 check_exec_crash <<EOF && enable ebp_available
2390 volatile int i=0;
2391 __asm__ volatile (
2392 "xorl %%ebp, %%ebp"
2393 ::: "%ebp");
2394 return i;
2395 EOF
2396
2397 # check whether EBX is available on x86
2398 check_asm ebx_available '""::"b"(0)' &&
2399 check_asm ebx_available '"":::"%ebx"'
2400
2401 # check whether more than 10 operands are supported
2402 check_cc <<EOF && enable ten_operands
2403 int main(void) {
2404 int x=0;
2405 __asm__ volatile(
2406 ""
2407 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2408 );
2409 return 0;
2410 }
2411 EOF
2412
2413 # check whether binutils is new enough to compile SSSE3/MMX2
2414 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2415 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2416
2417 check_asm bswap '"bswap %%eax" ::: "%eax"'
2418
2419 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2420 enabled x86_64 && append YASMFLAGS "-m amd64"
2421 enabled pic && append YASMFLAGS "-DPIC"
2422 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2423 case "$objformat" in
2424 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2425 esac
2426 if ! disabled yasm; then
2427 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2428 warn "yasm not found, performance will suffer"
2429 fi
2430
2431 case "$cpu" in
2432 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2433 disable fast_clz
2434 ;;
2435 esac
2436
2437 fi
2438
2439 if check_func dlopen; then
2440 ldl=
2441 elif check_func dlopen -ldl; then
2442 ldl=-ldl
2443 fi
2444
2445 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2446 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2447
2448 check_func fcntl
2449 check_func fork
2450 check_func getaddrinfo $network_extralibs
2451 check_func gethrtime
2452 check_func getrusage
2453 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2454 check_func inet_aton $network_extralibs
2455 check_func isatty
2456 check_func ${malloc_prefix}memalign && enable memalign
2457 check_func mkstemp
2458 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2459 check_func setrlimit
2460 check_func strerror_r
2461 check_func_headers io.h setmode
2462 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2463 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2464 check_func_headers windows.h GetProcessTimes
2465 check_func_headers windows.h VirtualAlloc
2466
2467 check_header conio.h
2468 check_header dlfcn.h
2469 check_header dxva2api.h
2470 check_header malloc.h
2471 check_header poll.h
2472 check_header sys/mman.h
2473 check_header sys/resource.h
2474 check_header sys/select.h
2475 check_header termios.h
2476 check_header vdpau/vdpau.h
2477 check_header vdpau/vdpau_x11.h
2478 check_header X11/extensions/XvMClib.h
2479
2480 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2481
2482 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2483 enabled_any $need_memalign ; then
2484 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2485 fi
2486
2487 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2488 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2489
2490 # check for some common methods of building with pthread support
2491 # do this before the optional library checks as some of them require pthreads
2492 if ! disabled pthreads && ! enabled w32threads; then
2493 enable pthreads
2494 if check_func pthread_create; then
2495 :
2496 elif check_func pthread_create -pthread; then
2497 add_cflags -pthread
2498 add_extralibs -pthread
2499 elif check_func pthread_create -pthreads; then
2500 add_cflags -pthreads
2501 add_extralibs -pthreads
2502 elif check_func pthread_create -lpthreadGC2; then
2503 add_extralibs -lpthreadGC2
2504 elif ! check_lib pthread.h pthread_create -lpthread; then
2505 disable pthreads
2506 fi
2507 fi
2508
2509 for thread in $THREADS_LIST; do
2510 if enabled $thread; then
2511 test -n "$thread_type" &&
2512 die "ERROR: Only one thread type must be selected." ||
2513 thread_type="$thread"
2514 fi
2515 done
2516
2517 check_lib math.h sin -lm
2518 disabled vaapi || check_lib va/va.h vaInitialize -lva
2519
2520 check_mathfunc exp2
2521 check_mathfunc exp2f
2522 check_mathfunc llrint
2523 check_mathfunc llrintf
2524 check_mathfunc log2
2525 check_mathfunc log2f
2526 check_mathfunc lrint
2527 check_mathfunc lrintf
2528 check_mathfunc round
2529 check_mathfunc roundf
2530 check_mathfunc truncf
2531
2532 # these are off by default, so fail if requested and not available
2533 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2534 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2535 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2536 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2537 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2538 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2539 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2540 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2541 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2542 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2543 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2544 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2545 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2546 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2547 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2548 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2549 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2550 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2551 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2552 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2553 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2554 die "ERROR: libx264 version must be >= 0.98."; }
2555 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2556 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2557
2558 # libdc1394 check
2559 if enabled libdc1394; then
2560 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2561 enable libdc1394_2; } ||
2562 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2563 enable libdc1394_1; } ||
2564 die "ERROR: No version of libdc1394 found "
2565 fi
2566
2567 SDL_CONFIG="${cross_prefix}sdl-config"
2568 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2569 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2570 sdl_libs=$("${SDL_CONFIG}" --libs)
2571 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2572 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2573 enable sdl &&
2574 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2575 fi
2576
2577 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2578
2579 if enabled network; then
2580 check_type "sys/types.h sys/socket.h" socklen_t
2581 check_type netdb.h "struct addrinfo"
2582 check_type netinet/in.h "struct ipv6_mreq"
2583 check_type netinet/in.h "struct sockaddr_in6"
2584 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2585 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2586 # Prefer arpa/inet.h over winsock2
2587 if check_header arpa/inet.h ; then
2588 check_func closesocket
2589 elif check_header winsock2.h ; then
2590 check_func_headers winsock2.h closesocket -lws2 && \
2591 network_extralibs="-lws2" || \
2592 { check_func_headers winsock2.h closesocket -lws2_32 && \
2593 network_extralibs="-lws2_32"; }
2594 check_type ws2tcpip.h socklen_t
2595 check_type ws2tcpip.h "struct addrinfo"
2596 check_type ws2tcpip.h "struct ipv6_mreq"
2597 check_type ws2tcpip.h "struct sockaddr_in6"
2598 check_type ws2tcpip.h "struct sockaddr_storage"
2599 check_struct winsock2.h "struct sockaddr" sa_len
2600 else
2601 disable network
2602 fi
2603 fi
2604
2605 check_header linux/videodev.h
2606 check_header linux/videodev2.h
2607 check_header sys/videoio.h
2608
2609 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2610
2611 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2612 { check_header dev/bktr/ioctl_meteor.h &&
2613 check_header dev/bktr/ioctl_bt848.h; } ||
2614 { check_header machine/ioctl_meteor.h &&
2615 check_header machine/ioctl_bt848.h; } ||
2616 { check_header dev/video/meteor/ioctl_meteor.h &&
2617 check_header dev/video/bktr/ioctl_bt848.h; } ||
2618 check_header dev/ic/bt8xx.h
2619
2620 check_header sys/soundcard.h
2621 check_header soundcard.h
2622
2623 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2624
2625 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2626
2627 enabled x11grab &&
2628 check_header X11/Xlib.h &&
2629 check_header X11/extensions/XShm.h &&
2630 check_header X11/extensions/Xfixes.h &&
2631 check_func XOpenDisplay -lX11 &&
2632 check_func XShmCreateImage -lX11 -lXext &&
2633 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2634
2635 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2636 check_cpp_condition \
2637 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2638 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2639 disable vdpau; }
2640 fi
2641
2642 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2643
2644 # add some useful compiler flags if supported
2645 check_cflags -Wdeclaration-after-statement
2646 check_cflags -Wall
2647 check_cflags -Wno-switch
2648 check_cflags -Wdisabled-optimization
2649 check_cflags -Wpointer-arith
2650 check_cflags -Wredundant-decls
2651 check_cflags -Wno-pointer-sign
2652 check_cflags -Wcast-qual
2653 check_cflags -Wwrite-strings
2654 check_cflags -Wtype-limits
2655 check_cflags -Wundef
2656 check_cflags -Wmissing-prototypes
2657 enabled extra_warnings && check_cflags -Winline
2658
2659 # add some linker flags
2660 check_ldflags -Wl,--warn-common
2661 check_ldflags -Wl,--as-needed
2662 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'
2663 check_ldflags -Wl,-Bsymbolic
2664
2665 echo "X{};" > $TMPV
2666 if test_ldflags -Wl,--version-script,$TMPV; then
2667 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2668 check_cc <<EOF && enable symver_asm_label
2669 void ff_foo(void) __asm__ ("av_foo@VERSION");
2670 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2671 EOF
2672 check_cc <<EOF && enable symver_gnu_asm
2673 __asm__(".symver ff_foo,av_foo@VERSION");
2674 void ff_foo(void) {}
2675 EOF
2676 fi
2677
2678 if enabled small; then
2679 add_cflags $size_cflags
2680 optimizations="small"
2681 elif enabled optimizations; then
2682 add_cflags $speed_cflags
2683 else
2684 add_cflags $noopt_cflags
2685 fi
2686 check_cflags -fno-math-errno
2687 check_cflags -fno-signed-zeros
2688
2689 if enabled icc; then
2690 # Just warnings, no remarks
2691 check_cflags -w1
2692 # -wd: Disable following warnings
2693 # 144, 167, 556: -Wno-pointer-sign
2694 # 10006: ignoring unknown option -fno-signed-zeros
2695 # 10156: ignoring option '-W'; no argument required
2696 check_cflags -wd144,167,556,10006,10156
2697 # 11030: Warning unknown option --as-needed
2698 # 10156: ignoring option '-export'; no argument required
2699 check_ldflags -wd10156,11030
2700 # Allow to compile with optimizations
2701 check_ldflags -march=$cpu
2702 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2703 enable ebp_available
2704 elif enabled ccc; then
2705 # disable some annoying warnings
2706 add_cflags -msg_disable cvtu32to64
2707 add_cflags -msg_disable embedcomment
2708 add_cflags -msg_disable needconstext
2709 add_cflags -msg_disable nomainieee
2710 add_cflags -msg_disable ptrmismatch1
2711 add_cflags -msg_disable unreachcode
2712 elif enabled gcc; then
2713 check_cflags -fno-tree-vectorize
2714 check_cflags -Werror=implicit-function-declaration
2715 check_cflags -Werror=missing-prototypes
2716 elif enabled clang; then
2717 check_cflags -Qunused-arguments
2718 elif enabled armcc; then
2719 # 2523: use of inline assembler is deprecated
2720 add_cflags -Wrvct,--diag_suppress=2523
2721 add_cflags -Wrvct,--diag_suppress=1207
2722 elif enabled tms470; then
2723 add_cflags -pds=824 -pds=837
2724 fi
2725
2726 enabled_any $THREADS_LIST && enable threads
2727
2728 check_deps $CONFIG_LIST \
2729 $CONFIG_EXTRA \
2730 $HAVE_LIST \
2731 $DECODER_LIST \
2732 $ENCODER_LIST \
2733 $HWACCEL_LIST \
2734 $PARSER_LIST \
2735 $BSF_LIST \
2736 $DEMUXER_LIST \
2737 $MUXER_LIST \
2738 $FILTER_LIST \
2739 $INDEV_LIST \
2740 $OUTDEV_LIST \
2741 $PROTOCOL_LIST \
2742
2743 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2744
2745 echo "install prefix $prefix"
2746 echo "source path $source_path"
2747 echo "C compiler $cc"
2748 echo "ARCH $arch ($cpu)"
2749 if test "$build_suffix" != ""; then
2750 echo "build suffix $build_suffix"
2751 fi
2752 if test "$extra_version" != ""; then
2753 echo "version string suffix $extra_version"
2754 fi
2755 echo "big-endian ${bigendian-no}"
2756 echo "runtime cpu detection ${runtime_cpudetect-no}"
2757 if enabled x86; then
2758 echo "yasm ${yasm-no}"
2759 echo "MMX enabled ${mmx-no}"
2760 echo "MMX2 enabled ${mmx2-no}"
2761 echo "3DNow! enabled ${amd3dnow-no}"
2762 echo "3DNow! extended enabled ${amd3dnowext-no}"
2763 echo "SSE enabled ${sse-no}"
2764 echo "SSSE3 enabled ${ssse3-no}"
2765 echo "CMOV enabled ${cmov-no}"
2766 echo "CMOV is fast ${fast_cmov-no}"
2767 echo "EBX available ${ebx_available-no}"
2768 echo "EBP available ${ebp_available-no}"
2769 echo "10 operands supported ${ten_operands-no}"
2770 fi
2771 if enabled arm; then
2772 echo "ARMv5TE enabled ${armv5te-no}"
2773 echo "ARMv6 enabled ${armv6-no}"
2774 echo "ARMv6T2 enabled ${armv6t2-no}"
2775 echo "ARM VFP enabled ${armvfp-no}"
2776 echo "IWMMXT enabled ${iwmmxt-no}"
2777 echo "NEON enabled ${neon-no}"
2778 fi
2779 if enabled mips; then
2780 echo "MMI enabled ${mmi-no}"
2781 fi
2782 if enabled ppc; then
2783 echo "AltiVec enabled ${altivec-no}"
2784 echo "PPC 4xx optimizations ${ppc4xx-no}"
2785 echo "dcbzl available ${dcbzl-no}"
2786 fi
2787 if enabled sparc; then
2788 echo "VIS enabled ${vis-no}"
2789 fi
2790 echo "debug symbols ${debug-no}"
2791 echo "strip symbols ${stripping-no}"
2792 echo "optimizations ${optimizations-no}"
2793 echo "static ${static-no}"
2794 echo "shared ${shared-no}"
2795 echo "postprocessing support ${postproc-no}"
2796 echo "new filter support ${avfilter-no}"
2797 echo "filters using lavformat ${avfilter_lavf-no}"
2798 echo "network support ${network-no}"
2799 echo "threading support ${thread_type-no}"
2800 echo "SDL support ${sdl-no}"
2801 echo "Sun medialib support ${mlib-no}"
2802 echo "AVISynth enabled ${avisynth-no}"
2803 echo "libdc1394 support ${libdc1394-no}"
2804 echo "libdirac enabled ${libdirac-no}"
2805 echo "libfaac enabled ${libfaac-no}"
2806 echo "libgsm enabled ${libgsm-no}"
2807 echo "libmp3lame enabled ${libmp3lame-no}"
2808 echo "libnut enabled ${libnut-no}"
2809 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2810 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2811 echo "libopenjpeg enabled ${libopenjpeg-no}"
2812 echo "librtmp enabled ${librtmp-no}"
2813 echo "libschroedinger enabled ${libschroedinger-no}"
2814 echo "libspeex enabled ${libspeex-no}"
2815 echo "libtheora enabled ${libtheora-no}"
2816 echo "libvorbis enabled ${libvorbis-no}"
2817 echo "libvpx enabled ${libvpx-no}"
2818 echo "libx264 enabled ${libx264-no}"
2819 echo "libxvid enabled ${libxvid-no}"
2820 echo "zlib enabled ${zlib-no}"
2821 echo "bzlib enabled ${bzlib-no}"
2822 echo
2823
2824 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2825 echo "Enabled ${type}s:"
2826 eval list=\$$(toupper $type)_LIST
2827 for part in $list; do
2828 enabled $part && echo ${part%_*}
2829 done | sort | pr -3 -t
2830 echo
2831 done
2832
2833 license="LGPL version 2.1 or later"
2834 if enabled nonfree; then
2835 license="nonfree and unredistributable"
2836 elif enabled gplv3; then
2837 license="GPL version 3 or later"
2838 elif enabled lgplv3; then
2839 license="LGPL version 3 or later"
2840 elif enabled gpl; then
2841 license="GPL version 2 or later"
2842 fi
2843
2844 echo "License: $license"
2845
2846 echo "Creating config.mak and config.h..."
2847
2848 # build tree in object directory if source path is different from current one
2849 if enabled source_path_used; then
2850 DIRS="
2851 doc
2852 libavcodec
2853 libavcodec/$arch
2854 libavdevice
2855 libavfilter
2856 libavformat
2857 libavutil
2858 libavutil/$arch
2859 libpostproc
2860 libswscale
2861 libswscale/$arch
2862 tests
2863 tools
2864 "
2865 FILES="
2866 Makefile
2867 common.mak
2868 subdir.mak
2869 doc/texi2pod.pl
2870 libavcodec/Makefile
2871 libavcodec/${arch}/Makefile
2872 libavdevice/Makefile
2873 libavfilter/Makefile
2874 libavformat/Makefile
2875 libavutil/Makefile
2876 libpostproc/Makefile
2877 libswscale/Makefile
2878 "
2879 map 'mkdir -p $v' $DIRS;
2880 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2881 fi
2882
2883 enabled stripping || strip="echo skipping strip"
2884
2885 cat > config.mak <<EOF
2886 # Automatically generated by configure - do not modify!
2887 ifndef FFMPEG_CONFIG_MAK
2888 FFMPEG_CONFIG_MAK=1
2889 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2890 prefix=$prefix
2891 LIBDIR=\$(DESTDIR)$libdir
2892 SHLIBDIR=\$(DESTDIR)$shlibdir
2893 INCDIR=\$(DESTDIR)$incdir
2894 BINDIR=\$(DESTDIR)$bindir
2895 DATADIR=\$(DESTDIR)$datadir
2896 MANDIR=\$(DESTDIR)$mandir
2897 SRC_PATH="$source_path"
2898 SRC_PATH_BARE=$source_path
2899 BUILD_ROOT="$PWD"
2900 ARCH=$arch
2901 CC=$cc
2902 AS=$as
2903 LD=$ld
2904 DEPCC=$dep_cc
2905 YASM=$yasmexe
2906 YASMDEP=$yasmexe
2907 AR=$ar
2908 RANLIB=$ranlib
2909 CP=cp -p
2910 LN_S=$ln_s
2911 STRIP=$strip
2912 CPPFLAGS=$CPPFLAGS
2913 CFLAGS=$CFLAGS
2914 ASFLAGS=$ASFLAGS
2915 CC_O=$CC_O
2916 LDFLAGS=$LDFLAGS
2917 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2918 SHFLAGS=$SHFLAGS
2919 YASMFLAGS=$YASMFLAGS
2920 BUILDSUF=$build_suffix
2921 FULLNAME=$FULLNAME
2922 LIBPREF=$LIBPREF
2923 LIBSUF=$LIBSUF
2924 LIBNAME=$LIBNAME
2925 SLIBPREF=$SLIBPREF
2926 SLIBSUF=$SLIBSUF
2927 EXESUF=$EXESUF
2928 EXTRA_VERSION=$extra_version
2929 DEPFLAGS=$DEPFLAGS
2930 CCDEP=$CCDEP
2931 ASDEP=$ASDEP
2932 CC_DEPFLAGS=$CC_DEPFLAGS
2933 AS_DEPFLAGS=$AS_DEPFLAGS
2934 HOSTCC=$host_cc
2935 HOSTCFLAGS=$host_cflags
2936 HOSTEXESUF=$HOSTEXESUF
2937 HOSTLDFLAGS=$host_ldflags
2938 HOSTLIBS=$host_libs
2939 TARGET_EXEC=$target_exec
2940 TARGET_PATH=$target_path
2941 SDL_LIBS=$sdl_libs
2942 SDL_CFLAGS=$sdl_cflags
2943 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2944 EXTRALIBS=$extralibs
2945 INSTALL=install
2946 LIBTARGET=${LIBTARGET}
2947 SLIBNAME=${SLIBNAME}
2948 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2949 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2950 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2951 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2952 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2953 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2954 SAMPLES=$samples
2955 EOF
2956
2957 get_version(){
2958 name=$1
2959 file=$source_path/$2
2960 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2961 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2962 lcname=$(tolower $name)
2963 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2964 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2965 }
2966
2967 get_version LIBSWSCALE libswscale/swscale.h
2968 get_version LIBPOSTPROC libpostproc/postprocess.h
2969 get_version LIBAVCODEC libavcodec/avcodec.h
2970 get_version LIBAVDEVICE libavdevice/avdevice.h
2971 get_version LIBAVFORMAT libavformat/avformat.h
2972 get_version LIBAVUTIL libavutil/avutil.h
2973 get_version LIBAVFILTER libavfilter/avfilter.h
2974
2975 cat > $TMPH <<EOF
2976 /* Automatically generated by configure - do not modify! */
2977 #ifndef FFMPEG_CONFIG_H
2978 #define FFMPEG_CONFIG_H
2979 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2980 #define FFMPEG_LICENSE "$(c_escape $license)"
2981 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2982 #define CC_TYPE "$cc_type"
2983 #define CC_VERSION $cc_version
2984 #define restrict $_restrict
2985 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
2986 #define EXTERN_PREFIX "${extern_prefix}"
2987 #define EXTERN_ASM ${extern_prefix}
2988 EOF
2989
2990 test -n "$malloc_prefix" &&
2991 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2992
2993 if enabled small || disabled optimizations; then
2994 echo "#undef av_always_inline" >> $TMPH
2995 echo "#define av_always_inline" >> $TMPH
2996 fi
2997
2998 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2999 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3000 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3001 $CONFIG_EXTRA \
3002 $DECODER_LIST \
3003 $ENCODER_LIST \
3004 $HWACCEL_LIST \
3005 $PARSER_LIST \
3006 $BSF_LIST \
3007 $DEMUXER_LIST \
3008 $MUXER_LIST \
3009 $FILTER_LIST \
3010 $PROTOCOL_LIST \
3011 $INDEV_LIST \
3012 $OUTDEV_LIST \
3013
3014 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3015 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3016
3017 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3018 cp_if_changed $TMPH config.h
3019
3020 cat > $TMPH <<EOF
3021 /* Generated by ffconf */
3022 #ifndef AVUTIL_AVCONFIG_H
3023 #define AVUTIL_AVCONFIG_H
3024 EOF
3025
3026 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3027
3028 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3029
3030 cp_if_changed $TMPH libavutil/avconfig.h
3031
3032 test -n "$WARNINGS" && printf "\n$WARNINGS"
3033
3034 # build pkg-config files
3035
3036 pkgconfig_generate(){
3037 name=$1
3038 shortname=${name#lib}${build_suffix}
3039 comment=$2
3040 version=$3
3041 libs=$4
3042 requires=$5
3043 cat <<EOF > $name/$name.pc
3044 prefix=$prefix
3045 exec_prefix=\${prefix}
3046 libdir=$libdir
3047 includedir=$incdir
3048
3049 Name: $name
3050 Description: $comment
3051 Version: $version
3052 Requires: $(enabled shared || echo $requires)
3053 Requires.private: $(enabled shared && echo $requires)
3054 Conflicts:
3055 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3056 Libs.private: $(enabled shared && echo $libs)
3057 Cflags: -I\${includedir}
3058 EOF
3059 cat <<EOF > $name/$name-uninstalled.pc
3060 prefix=
3061 exec_prefix=
3062 libdir=\${pcfiledir}
3063 includedir=${source_path}
3064
3065 Name: $name
3066 Description: $comment
3067 Version: $version
3068 Requires: $requires
3069 Conflicts:
3070 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3071 Cflags: -I\${includedir}
3072 EOF
3073 }
3074
3075 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3076 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3077 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3078 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3079 enabled avfilter &&
3080 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3081 enabled postproc &&
3082 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3083 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"