configure: simplify some OS-specific flag setting
[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 mdct"
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 nogas=":"
1415
1416 nm_opts='-g'
1417
1418 # machine
1419 arch_default=$(uname -m)
1420 cpu="generic"
1421
1422 # OS
1423 target_os_default=$(tolower $(uname -s))
1424 host_os=$target_os_default
1425
1426 # configurable options
1427 enable avcodec
1428 enable avdevice
1429 enable avfilter
1430 enable avformat
1431 enable avutil
1432 enable asm
1433 enable debug
1434 enable doc
1435 enable fastdiv
1436 enable ffmpeg
1437 enable ffplay
1438 enable ffprobe
1439 enable ffserver
1440 enable mpegaudio_hp
1441 enable network
1442 enable optimizations
1443 enable protocols
1444 enable static
1445 enable stripping
1446 enable swscale
1447 enable swscale_alpha
1448
1449 # build settings
1450 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1451 FFSERVERLDFLAGS=-Wl,-E
1452 LIBPREF="lib"
1453 LIBSUF=".a"
1454 FULLNAME='$(NAME)$(BUILDSUF)'
1455 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1456 SLIBPREF="lib"
1457 SLIBSUF=".so"
1458 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1459 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1460 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1461 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1462
1463 CC_O='-o $@'
1464
1465 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1466 host_libs='-lm'
1467
1468 target_path='$(CURDIR)'
1469
1470 # since the object filename is not given with the -MM flag, the compiler
1471 # is only able to print the basename, and we must add the path ourselves
1472 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1473 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1474
1475 # find source path
1476 source_path="$(dirname "$0")"
1477 enable source_path_used
1478 if test -f configure; then
1479 source_path="$(pwd)"
1480 disable source_path_used
1481 else
1482 source_path="$(cd "$source_path"; pwd)"
1483 echo "$source_path" | grep -q '[[:blank:]]' &&
1484 die "Out of tree builds are impossible with whitespace in source path."
1485 test -e "$source_path/config.h" &&
1486 die "Out of tree builds are impossible with config.h in source dir."
1487 fi
1488
1489 for v in "$@"; do
1490 r=${v#*=}
1491 l=${v%"$r"}
1492 r=$(sh_quote "$r")
1493 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1494 done
1495
1496 find_things(){
1497 thing=$1
1498 pattern=$2
1499 file=$source_path/$3
1500 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1501 }
1502
1503 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1504 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1505 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1506 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1507 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1508 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1509 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1510 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1511 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1512 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1513 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1514
1515 for n in $COMPONENT_LIST; do
1516 v=$(toupper ${n%s})_LIST
1517 eval enable \$$v
1518 eval ${n}_if_any="\$$v"
1519 done
1520
1521 enable $ARCH_EXT_LIST
1522
1523 die_unknown(){
1524 echo "Unknown option \"$1\"."
1525 echo "See $0 --help for available options."
1526 exit 1
1527 }
1528
1529 show_list() {
1530 suffix=_$1
1531 shift
1532 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1533 exit 0
1534 }
1535
1536 for opt do
1537 optval="${opt#*=}"
1538 case "$opt" in
1539 --extra-ldflags=*) add_ldflags $optval
1540 ;;
1541 --extra-libs=*) add_extralibs $optval
1542 ;;
1543 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1544 ;;
1545 --enable-debug=*) debuglevel="$optval"
1546 ;;
1547 --disable-everything)
1548 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1549 ;;
1550 --enable-*=*|--disable-*=*)
1551 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1552 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1553 eval list=\$$(toupper $thing)_LIST
1554 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1555 $action $(filter "$name" $list)
1556 ;;
1557 --enable-?*|--disable-?*)
1558 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1559 if is_in $option $COMPONENT_LIST; then
1560 test $action = disable && action=unset
1561 eval $action \$$(toupper ${option%s})_LIST
1562 elif is_in $option $CMDLINE_SELECT; then
1563 $action $option
1564 else
1565 die_unknown $opt
1566 fi
1567 ;;
1568 --list-*)
1569 NAME="${opt#--list-}"
1570 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1571 NAME=${NAME%s}
1572 eval show_list $NAME \$$(toupper $NAME)_LIST
1573 ;;
1574 --help|-h) show_help
1575 ;;
1576 *)
1577 optname="${opt%%=*}"
1578 optname="${optname#--}"
1579 optname=$(echo "$optname" | sed 's/-/_/g')
1580 if is_in $optname $CMDLINE_SET; then
1581 eval $optname='$optval'
1582 elif is_in $optname $CMDLINE_APPEND; then
1583 append $optname "$optval"
1584 else
1585 die_unknown $opt
1586 fi
1587 ;;
1588 esac
1589 done
1590
1591 disabled logging && logfile=/dev/null
1592
1593 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1594 set >> $logfile
1595
1596 test -n "$cross_prefix" && enable cross_compile
1597
1598 if enabled cross_compile; then
1599 test -n "$arch" && test -n "$target_os" ||
1600 die "Must specify target arch and OS when cross-compiling"
1601 fi
1602
1603 set_default arch target_os
1604
1605 ar_default="${cross_prefix}${ar_default}"
1606 cc_default="${cross_prefix}${cc_default}"
1607 nm_default="${cross_prefix}${nm_default}"
1608 ranlib="${cross_prefix}${ranlib}"
1609 strip_default="${cross_prefix}${strip_default}"
1610
1611 sysinclude_default="${sysroot}/usr/include"
1612
1613 set_default cc nm strip sysinclude
1614 enabled cross_compile || host_cc_default=$cc
1615 set_default host_cc
1616
1617 exesuf() {
1618 case $1 in
1619 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1620 esac
1621 }
1622
1623 EXESUF=$(exesuf $target_os)
1624 HOSTEXESUF=$(exesuf $host_os)
1625
1626 # set temporary file name
1627 : ${TMPDIR:=$TEMPDIR}
1628 : ${TMPDIR:=$TMP}
1629 : ${TMPDIR:=/tmp}
1630
1631 if ! check_cmd type mktemp; then
1632 # simple replacement for missing mktemp
1633 # NOT SAFE FOR GENERAL USE
1634 mktemp(){
1635 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1636 }
1637 fi
1638
1639 tmpfile(){
1640 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1641 (set -C; exec > $tmp) 2>/dev/null ||
1642 die "Unable to create temporary file in $TMPDIR."
1643 append TMPFILES $tmp
1644 eval $1=$tmp
1645 }
1646
1647 trap 'rm -f -- $TMPFILES' EXIT
1648 trap exit HUP INT TERM
1649
1650 tmpfile TMPC .c
1651 tmpfile TMPE $EXESUF
1652 tmpfile TMPH .h
1653 tmpfile TMPO .o
1654 tmpfile TMPS .S
1655 tmpfile TMPV .ver
1656 tmpfile TMPSH .sh
1657
1658 unset -f mktemp
1659
1660 # make sure we can execute files in $TMPDIR
1661 cat > $TMPSH 2>> $logfile <<EOF
1662 #! /bin/sh
1663 EOF
1664 chmod +x $TMPSH >> $logfile 2>&1
1665 if ! $TMPSH >> $logfile 2>&1; then
1666 cat <<EOF
1667 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1668 variable to another directory and make sure that it is not mounted noexec.
1669 EOF
1670 die "Sanity test failed."
1671 fi
1672
1673 filter_cflags=echo
1674 filter_cppflags=echo
1675 filter_asflags=echo
1676
1677 if $cc -v 2>&1 | grep -qi ^gcc; then
1678 cc_type=gcc
1679 cc_version=__VERSION__
1680 if ! $cc -dumpversion | grep -q '^2\.'; then
1681 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1682 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1683 fi
1684 speed_cflags='-O3'
1685 size_cflags='-Os'
1686 elif $cc --version 2>/dev/null | grep -q Intel; then
1687 cc_type=icc
1688 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1689 CC_DEPFLAGS='-MMD'
1690 AS_DEPFLAGS='-MMD'
1691 speed_cflags='-O3'
1692 size_cflags='-Os'
1693 noopt_cflags='-O1'
1694 elif $cc -v 2>&1 | grep -q xlc; then
1695 cc_type=xlc
1696 cc_version="AV_STRINGIFY(__IBMC__)"
1697 speed_cflags='-O5'
1698 size_cflags='-O5 -qcompact'
1699 elif $cc -V 2>/dev/null | grep -q Compaq; then
1700 cc_type=ccc
1701 cc_version="AV_STRINGIFY(__DECC_VER)"
1702 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1703 debuglevel=3
1704 add_ldflags -Wl,-z,now # calls to libots crash without this
1705 speed_cflags='-fast'
1706 size_cflags='-O1'
1707 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1708 test -d "$sysroot" || die "No valid sysroot specified."
1709 cc_type=armcc
1710 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1711 armcc_conf="$PWD/armcc.conf"
1712 $cc --arm_linux_configure \
1713 --arm_linux_config_file="$armcc_conf" \
1714 --configure_sysroot="$sysroot" \
1715 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1716 die "Error creating armcc configuration file."
1717 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1718 as_default="${cross_prefix}gcc"
1719 CC_DEPFLAGS='-MMD'
1720 AS_DEPFLAGS='-MMD'
1721 speed_cflags='-O3'
1722 size_cflags='-Os'
1723 elif $cc -version 2>/dev/null | grep -q TMS470; then
1724 cc_type=tms470
1725 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1726 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1727 CC_O='-fr=$(@D)'
1728 as_default="${cross_prefix}gcc"
1729 ld_default="${cross_prefix}gcc"
1730 TMPO=$(basename $TMPC .c).o
1731 append TMPFILES $TMPO
1732 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1733 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1734 AS_DEPFLAGS='-MMD'
1735 speed_cflags='-O3 -mf=5'
1736 size_cflags='-O3 -mf=2'
1737 filter_cflags=tms470_flags
1738 tms470_flags(){
1739 for flag; do
1740 case $flag in
1741 -march=*|-mcpu=*)
1742 case "${flag#*=}" in
1743 armv7-a|cortex-a*) echo -mv=7a8 ;;
1744 armv7-r|cortex-r*) echo -mv=7r4 ;;
1745 armv7-m|cortex-m*) echo -mv=7m3 ;;
1746 armv6*|arm11*) echo -mv=6 ;;
1747 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1748 echo -mv=5e ;;
1749 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1750 esac
1751 ;;
1752 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1753 -mfpu=vfp) echo --float_support=vfpv2 ;;
1754 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1755 -msoft-float) echo --float_support=vfplib ;;
1756 -O[0-3]|-mf=*) echo $flag ;;
1757 -g) echo -g -mn ;;
1758 -pds=*) echo $flag ;;
1759 esac
1760 done
1761 }
1762 elif $cc -v 2>&1 | grep -q clang; then
1763 cc_type=clang
1764 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1765 cc_version=__clang_version__ || cc_version=__VERSION__
1766 CC_DEPFLAGS='-MMD'
1767 AS_DEPFLAGS='-MMD'
1768 speed_cflags='-O3'
1769 size_cflags='-Os'
1770 elif $cc -V 2>&1 | grep -q Sun; then
1771 cc_type=suncc
1772 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1773 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1774 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1775 speed_cflags='-O5'
1776 size_cflags='-O5 -xspace'
1777 filter_cflags=suncc_flags
1778 suncc_flags(){
1779 for flag; do
1780 case $flag in
1781 -march=*|-mcpu=*)
1782 case "${flag#*=}" in
1783 native) echo -xtarget=native ;;
1784 v9|niagara) echo -xarch=sparc ;;
1785 ultrasparc) echo -xarch=sparcvis ;;
1786 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1787 i586|pentium) echo -xchip=pentium ;;
1788 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1789 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1790 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1791 pentium4*) echo -xtarget=pentium4 ;;
1792 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1793 *-sse3) echo -xarch=sse3 ;;
1794 core2) echo -xarch=ssse3 -xchip=core2 ;;
1795 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1796 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1797 k8|opteron|athlon64|athlon-fx)
1798 echo -xarch=sse2a ;;
1799 athlon*) echo -xarch=pentium_proa ;;
1800 esac
1801 ;;
1802 -std=c99) echo -xc99 ;;
1803 -fomit-frame-pointer) echo -xregs=frameptr ;;
1804 -fPIC) echo -KPIC -xcode=pic32 ;;
1805 -W*,*) echo $flag ;;
1806 -f*-*|-W*) ;;
1807 *) echo $flag ;;
1808 esac
1809 done
1810 }
1811 fi
1812
1813 test -n "$cc_type" && enable $cc_type ||
1814 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1815
1816 : ${as_default:=$cc}
1817 : ${dep_cc_default:=$cc}
1818 : ${ld_default:=$cc}
1819 set_default ar as dep_cc ld
1820
1821 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1822 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1823
1824 add_cflags $extra_cflags
1825 add_asflags $extra_cflags
1826
1827 if test -n "$sysroot"; then
1828 case "$cc_type" in
1829 gcc)
1830 add_cppflags --sysroot="$sysroot"
1831 add_ldflags --sysroot="$sysroot"
1832 ;;
1833 tms470)
1834 add_cppflags -I"$sysinclude"
1835 add_ldflags --sysroot="$sysroot"
1836 ;;
1837 clang)
1838 add_cppflags -isysroot "$sysroot"
1839 add_ldflags -isysroot "$sysroot"
1840 ;;
1841 esac
1842 fi
1843
1844 if test "$cpu" = host; then
1845 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1846
1847 case "$cc_type" in
1848 gcc)
1849 check_native(){
1850 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1851 sed -n "/$1=/{
1852 s/.*$1=\\([^ ]*\\).*/\\1/
1853 p
1854 q
1855 }" $TMPE
1856 }
1857 cpu=$(check_native -march || check_native -mcpu)
1858 ;;
1859 esac
1860
1861 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1862 fi
1863
1864 # Deal with common $arch aliases
1865 case "$arch" in
1866 arm*)
1867 arch="arm"
1868 ;;
1869 mips|mipsel|IP*)
1870 arch="mips"
1871 ;;
1872 mips64*)
1873 arch="mips"
1874 subarch="mips64"
1875 ;;
1876 parisc|hppa)
1877 arch="parisc"
1878 ;;
1879 parisc64|hppa64)
1880 arch="parisc"
1881 subarch="parisc64"
1882 ;;
1883 "Power Macintosh"|ppc|powerpc)
1884 arch="ppc"
1885 ;;
1886 ppc64|powerpc64)
1887 arch="ppc"
1888 subarch="ppc64"
1889 ;;
1890 s390|s390x)
1891 arch="s390"
1892 ;;
1893 sh4|sh)
1894 arch="sh4"
1895 ;;
1896 sun4u|sparc64)
1897 arch="sparc"
1898 subarch="sparc64"
1899 ;;
1900 i[3-6]86|i86pc|BePC|x86_64|amd64)
1901 arch="x86"
1902 ;;
1903 esac
1904
1905 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
1906 enable $arch
1907
1908 # Add processor-specific flags
1909 if test "$cpu" = generic; then
1910 : do nothing
1911 elif enabled ppc; then
1912
1913 case $(tolower $cpu) in
1914 601|ppc601|powerpc601)
1915 cpuflags="-mcpu=601"
1916 disable altivec
1917 ;;
1918 603*|ppc603*|powerpc603*)
1919 cpuflags="-mcpu=603"
1920 disable altivec
1921 ;;
1922 604*|ppc604*|powerpc604*)
1923 cpuflags="-mcpu=604"
1924 disable altivec
1925 ;;
1926 g3|75*|ppc75*|powerpc75*)
1927 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1928 disable altivec
1929 ;;
1930 g4|745*|ppc745*|powerpc745*)
1931 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1932 ;;
1933 74*|ppc74*|powerpc74*)
1934 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1935 ;;
1936 g5|970|ppc970|powerpc970|power4*)
1937 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1938 ;;
1939 cell)
1940 cpuflags="-mcpu=cell"
1941 enable ldbrx
1942 ;;
1943 e500v2)
1944 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1945 disable altivec
1946 ;;
1947 e500)
1948 cpuflags="-mcpu=8540 -mhard-float"
1949 disable altivec
1950 ;;
1951 esac
1952
1953 elif enabled x86; then
1954
1955 case $cpu in
1956 i[345]86|pentium)
1957 cpuflags="-march=$cpu"
1958 disable mmx
1959 ;;
1960 # targets that do NOT support conditional mov (cmov)
1961 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1962 cpuflags="-march=$cpu"
1963 disable cmov
1964 ;;
1965 # targets that do support conditional mov (cmov)
1966 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
1967 cpuflags="-march=$cpu"
1968 enable cmov
1969 enable fast_cmov
1970 ;;
1971 # targets that do support conditional mov but on which it's slow
1972 pentium4|pentium4m|prescott|nocona)
1973 cpuflags="-march=$cpu"
1974 enable cmov
1975 disable fast_cmov
1976 ;;
1977 esac
1978
1979 elif enabled sparc; then
1980
1981 case $cpu in
1982 niagara)
1983 cpuflags="-mcpu=$cpu"
1984 disable vis
1985 ;;
1986 sparc64)
1987 cpuflags="-mcpu=v9"
1988 ;;
1989 esac
1990
1991 elif enabled arm; then
1992
1993 case $cpu in
1994 armv*)
1995 cpuflags="-march=$cpu"
1996 ;;
1997 *)
1998 cpuflags="-mcpu=$cpu"
1999 ;;
2000 esac
2001
2002 elif enabled alpha; then
2003
2004 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2005
2006 elif enabled bfin; then
2007
2008 cpuflags="-mcpu=$cpu"
2009
2010 elif enabled mips; then
2011
2012 cpuflags="-march=$cpu"
2013
2014 elif enabled avr32; then
2015
2016 case $cpu in
2017 ap7[02]0[0-2])
2018 subarch="avr32_ap"
2019 cpuflags="-mpart=$cpu"
2020 ;;
2021 ap)
2022 subarch="avr32_ap"
2023 cpuflags="-march=$cpu"
2024 ;;
2025 uc3[ab]*)
2026 subarch="avr32_uc"
2027 cpuflags="-mcpu=$cpu"
2028 ;;
2029 uc)
2030 subarch="avr32_uc"
2031 cpuflags="-march=$cpu"
2032 ;;
2033 esac
2034
2035 fi
2036
2037 add_cflags $cpuflags
2038 add_asflags $cpuflags
2039
2040 # compiler sanity check
2041 check_exec <<EOF
2042 int main(void){ return 0; }
2043 EOF
2044 if test "$?" != 0; then
2045 echo "$cc is unable to create an executable file."
2046 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2047 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2048 echo "Only do this if you know what cross compiling means."
2049 fi
2050 die "C compiler test failed."
2051 fi
2052
2053 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2054 check_cflags -std=c99
2055 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2056 #include <stdlib.h>
2057 EOF
2058 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2059 #include <stdlib.h>
2060 EOF
2061
2062 check_host_cflags -std=c99
2063
2064 case "$arch" in
2065 alpha|ia64|mips|parisc|sparc)
2066 spic=$shared
2067 ;;
2068 x86)
2069 subarch="x86_32"
2070 check_cc <<EOF && subarch="x86_64"
2071 int test[(int)sizeof(char*) - 7];
2072 EOF
2073 if test "$subarch" = "x86_64"; then
2074 spic=$shared
2075 fi
2076 ;;
2077 esac
2078
2079 enable $subarch
2080 enabled spic && enable pic
2081
2082 # OS specific
2083 case $target_os in
2084 haiku)
2085 prefix_default="/boot/common"
2086 network_extralibs="-lnetwork"
2087 ;;
2088 sunos)
2089 FFSERVERLDFLAGS=""
2090 SHFLAGS='-shared -Wl,-h,$$(@F)'
2091 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2092 network_extralibs="-lsocket -lnsl"
2093 add_cppflags -D__EXTENSIONS__
2094 nm_opts='-P -g'
2095 ;;
2096 netbsd)
2097 oss_indev_extralibs="-lossaudio"
2098 oss_outdev_extralibs="-lossaudio"
2099 add_cppflags -D_XOPEN_SOURCE=600
2100 ;;
2101 openbsd)
2102 enable malloc_aligned
2103 # On OpenBSD 4.5. the compiler does not use PIC unless
2104 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2105 # however the generated executable will not do anything
2106 # (simply quits with exit-code 1, no crash, no output).
2107 # Thus explicitly enable PIC here.
2108 enable pic
2109 SHFLAGS='-shared'
2110 oss_indev_extralibs="-lossaudio"
2111 oss_outdev_extralibs="-lossaudio"
2112 ;;
2113 freebsd|dragonfly)
2114 enable malloc_aligned
2115 ;;
2116 bsd/os)
2117 add_extralibs -lpoll -lgnugetopt
2118 strip="strip -d"
2119 ;;
2120 darwin)
2121 enable malloc_aligned
2122 gas="gas-preprocessor.pl $cc"
2123 enabled ppc && add_asflags -force_cpusubtype_ALL
2124 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2125 strip="${strip} -x"
2126 add_ldflags -Wl,-dynamic,-search_paths_first
2127 SLIBSUF=".dylib"
2128 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2129 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2130 FFSERVERLDFLAGS=-Wl,-bind_at_load
2131 objformat="macho"
2132 enabled x86_64 && objformat="macho64"
2133 enabled_any pic shared ||
2134 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2135 ;;
2136 mingw32*)
2137 if test $target_os = "mingw32ce"; then
2138 disable network
2139 else
2140 target_os=mingw32
2141 fi
2142 LIBTARGET=i386
2143 if enabled x86_64; then
2144 enable malloc_aligned
2145 LIBTARGET=x64
2146 elif enabled arm; then
2147 LIBTARGET=arm
2148 fi
2149 shlibdir_default="$bindir_default"
2150 disable ffserver
2151 SLIBPREF=""
2152 SLIBSUF=".dll"
2153 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2154 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2155 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2156 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2157 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2158 install -d "$(LIBDIR)"; \
2159 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2160 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2161 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2162 objformat="win32"
2163 enable dos_paths
2164 check_cflags -fno-common
2165 if ! enabled x86_64; then
2166 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2167 die "ERROR: MinGW runtime version must be >= 3.15."
2168 enabled_any avisynth vfwcap_indev &&
2169 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2170 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2171 fi
2172 ;;
2173 cygwin*)
2174 target_os=cygwin
2175 shlibdir_default="$bindir_default"
2176 SLIBPREF="cyg"
2177 SLIBSUF=".dll"
2178 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2179 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2180 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2181 objformat="win32"
2182 enable dos_paths
2183 check_cflags -fno-common
2184 ;;
2185 *-dos|freedos|opendos)
2186 disable ffplay ffserver
2187 disable $INDEV_LIST $OUTDEV_LIST
2188 network_extralibs="-lsocket"
2189 objformat="coff"
2190 enable dos_paths
2191 ;;
2192 linux)
2193 enable dv1394
2194 ;;
2195 irix*)
2196 target_os=irix
2197 ranlib="echo ignoring ranlib"
2198 ;;
2199 os/2*)
2200 strip="lxlite"
2201 ln_s="cp -f"
2202 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2203 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2204 FFSERVERLDFLAGS=""
2205 LIBSUF="_s.a"
2206 SLIBPREF=""
2207 SLIBSUF=".dll"
2208 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2209 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2210 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2211 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2212 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2213 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2214 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2215 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2216 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2217 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2218 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2219 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2220 enable dos_paths
2221 ;;
2222 gnu/kfreebsd)
2223 ;;
2224 gnu)
2225 ;;
2226 none)
2227 ;;
2228 *)
2229 die "Unknown OS '$target_os'."
2230 ;;
2231 esac
2232
2233 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2234
2235 set_default $PATHS_LIST
2236
2237 # we need to build at least one lib type
2238 if ! enabled_any static shared; then
2239 cat <<EOF
2240 At least one library type must be built.
2241 Specify --enable-static to build the static libraries or --enable-shared to
2242 build the shared libraries as well. To only build the shared libraries specify
2243 --disable-static in addition to --enable-shared.
2244 EOF
2245 exit 1;
2246 fi
2247
2248 disabled static && LIBNAME=""
2249
2250 die_license_disabled() {
2251 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2252 }
2253
2254 die_license_disabled gpl libx264
2255 die_license_disabled gpl libxvid
2256 die_license_disabled gpl postproc
2257 die_license_disabled gpl x11grab
2258
2259 die_license_disabled nonfree libfaac
2260
2261 die_license_disabled version3 libopencore_amrnb
2262 die_license_disabled version3 libopencore_amrwb
2263
2264 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2265
2266 check_deps $ARCH_EXT_LIST
2267
2268 disabled optimizations || check_cflags -fomit-frame-pointer
2269
2270 enable_pic() {
2271 enable pic
2272 add_cppflags -DPIC
2273 add_cflags -fPIC
2274 add_asflags -fPIC
2275 }
2276
2277 enabled pic && enable_pic
2278
2279 check_cc <<EOF || die "Symbol mangling check failed."
2280 int ff_extern;
2281 EOF
2282 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2283 extern_prefix=${sym%%ff_extern*}
2284
2285 check_cc <<EOF && enable inline_asm
2286 void foo(void) { __asm__ volatile ("" ::); }
2287 EOF
2288
2289 _restrict=
2290 for restrict_keyword in restrict __restrict__ __restrict; do
2291 check_cc <<EOF && _restrict=$restrict_keyword && break
2292 void foo(char * $restrict_keyword p);
2293 EOF
2294 done
2295
2296 check_cc <<EOF && enable attribute_packed
2297 struct { int x; } __attribute__((packed)) x;
2298 EOF
2299
2300 check_cc <<EOF && enable attribute_may_alias
2301 union { int x; } __attribute__((may_alias)) x;
2302 EOF
2303
2304 check_cc <<EOF || die "endian test failed"
2305 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2306 EOF
2307 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2308
2309 if enabled alpha; then
2310
2311 check_cflags -mieee
2312
2313 elif enabled arm; then
2314
2315 check_cflags -marm
2316 nogas=die
2317
2318 check_ld <<EOF && enable vfp_args
2319 __asm__ (".eabi_attribute 28, 1");
2320 int main(void) { return 0; }
2321 EOF
2322
2323 # We have to check if pld is a nop and disable it.
2324 check_asm pld '"pld [r0]"'
2325
2326 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2327 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2328 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2329 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2330 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2331 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2332
2333 enabled_all armv6t2 shared !pic && enable_pic
2334
2335 elif enabled mips; then
2336
2337 check_asm loongson '"dmult.g $1, $2, $3"'
2338 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2339
2340 elif enabled ppc; then
2341
2342 enable local_aligned_8 local_aligned_16
2343
2344 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2345 check_asm ibm_asm '"add 0, 0, 0"'
2346 check_asm ppc4xx '"maclhw r10, r11, r12"'
2347 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2348
2349 # AltiVec flags: The FSF version of GCC differs from the Apple version
2350 if enabled altivec; then
2351 nogas=warn
2352 check_cflags -maltivec -mabi=altivec &&
2353 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2354 check_cflags -faltivec
2355
2356 # check if our compiler supports Motorola AltiVec C API
2357 check_cc <<EOF || disable altivec
2358 $inc_altivec_h
2359 int main(void) {
2360 vector signed int v1, v2, v3;
2361 v1 = vec_add(v2,v3);
2362 return 0;
2363 }
2364 EOF
2365
2366 # check if our compiler supports braces for vector declarations
2367 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2368 $inc_altivec_h
2369 int main (void) { (vector int) {1}; return 0; }
2370 EOF
2371 fi
2372
2373 elif enabled sparc; then
2374
2375 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2376 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2377
2378 elif enabled x86; then
2379
2380 enable local_aligned_8 local_aligned_16
2381
2382 # check whether EBP is available on x86
2383 # As 'i' is stored on the stack, this program will crash
2384 # if the base pointer is used to access it because the
2385 # base pointer is cleared in the inline assembly code.
2386 check_exec_crash <<EOF && enable ebp_available
2387 volatile int i=0;
2388 __asm__ volatile (
2389 "xorl %%ebp, %%ebp"
2390 ::: "%ebp");
2391 return i;
2392 EOF
2393
2394 # check whether EBX is available on x86
2395 check_asm ebx_available '""::"b"(0)' &&
2396 check_asm ebx_available '"":::"%ebx"'
2397
2398 # check whether more than 10 operands are supported
2399 check_cc <<EOF && enable ten_operands
2400 int main(void) {
2401 int x=0;
2402 __asm__ volatile(
2403 ""
2404 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2405 );
2406 return 0;
2407 }
2408 EOF
2409
2410 # check whether binutils is new enough to compile SSSE3/MMX2
2411 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2412 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2413
2414 check_asm bswap '"bswap %%eax" ::: "%eax"'
2415
2416 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2417 enabled x86_64 && append YASMFLAGS "-m amd64"
2418 enabled pic && append YASMFLAGS "-DPIC"
2419 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2420 case "$objformat" in
2421 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2422 esac
2423 if ! disabled yasm; then
2424 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2425 warn "yasm not found, performance will suffer"
2426 fi
2427
2428 case "$cpu" in
2429 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2430 disable fast_clz
2431 ;;
2432 esac
2433
2434 fi
2435
2436 if enabled asm; then
2437 as=${gas:=$as}
2438 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2439 $nogas "GNU assembler not found, install gas-preprocessor"
2440 fi
2441
2442 if check_func dlopen; then
2443 ldl=
2444 elif check_func dlopen -ldl; then
2445 ldl=-ldl
2446 fi
2447
2448 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2449 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2450
2451 check_func fcntl
2452 check_func fork
2453 check_func getaddrinfo $network_extralibs
2454 check_func gethrtime
2455 check_func getrusage
2456 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2457 check_func inet_aton $network_extralibs
2458 check_func isatty
2459 check_func ${malloc_prefix}memalign && enable memalign
2460 check_func mkstemp
2461 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2462 check_func setrlimit
2463 check_func strerror_r
2464 check_func_headers io.h setmode
2465 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2466 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2467 check_func_headers windows.h GetProcessTimes
2468 check_func_headers windows.h VirtualAlloc
2469
2470 check_header conio.h
2471 check_header dlfcn.h
2472 check_header dxva2api.h
2473 check_header malloc.h
2474 check_header poll.h
2475 check_header sys/mman.h
2476 check_header sys/resource.h
2477 check_header sys/select.h
2478 check_header termios.h
2479 check_header vdpau/vdpau.h
2480 check_header vdpau/vdpau_x11.h
2481 check_header X11/extensions/XvMClib.h
2482
2483 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2484
2485 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2486 enabled_any $need_memalign ; then
2487 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2488 fi
2489
2490 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2491 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2492
2493 # check for some common methods of building with pthread support
2494 # do this before the optional library checks as some of them require pthreads
2495 if ! disabled pthreads && ! enabled w32threads; then
2496 enable pthreads
2497 if check_func pthread_create; then
2498 :
2499 elif check_func pthread_create -pthread; then
2500 add_cflags -pthread
2501 add_extralibs -pthread
2502 elif check_func pthread_create -pthreads; then
2503 add_cflags -pthreads
2504 add_extralibs -pthreads
2505 elif check_func pthread_create -lpthreadGC2; then
2506 add_extralibs -lpthreadGC2
2507 elif ! check_lib pthread.h pthread_create -lpthread; then
2508 disable pthreads
2509 fi
2510 fi
2511
2512 for thread in $THREADS_LIST; do
2513 if enabled $thread; then
2514 test -n "$thread_type" &&
2515 die "ERROR: Only one thread type must be selected." ||
2516 thread_type="$thread"
2517 fi
2518 done
2519
2520 check_lib math.h sin -lm
2521 disabled vaapi || check_lib va/va.h vaInitialize -lva
2522
2523 check_mathfunc exp2
2524 check_mathfunc exp2f
2525 check_mathfunc llrint
2526 check_mathfunc llrintf
2527 check_mathfunc log2
2528 check_mathfunc log2f
2529 check_mathfunc lrint
2530 check_mathfunc lrintf
2531 check_mathfunc round
2532 check_mathfunc roundf
2533 check_mathfunc truncf
2534
2535 # these are off by default, so fail if requested and not available
2536 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2537 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2538 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2539 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2540 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2541 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2542 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2543 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2544 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2545 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2546 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2547 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2548 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2549 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2550 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2551 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2552 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2553 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2554 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2555 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2556 die "ERROR: libvpx version must be >=0.9.1"; }
2557 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2558 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2559 die "ERROR: libx264 version must be >= 0.98."; }
2560 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2561 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2562
2563 # libdc1394 check
2564 if enabled libdc1394; then
2565 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2566 enable libdc1394_2; } ||
2567 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2568 enable libdc1394_1; } ||
2569 die "ERROR: No version of libdc1394 found "
2570 fi
2571
2572 SDL_CONFIG="${cross_prefix}sdl-config"
2573 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2574 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2575 sdl_libs=$("${SDL_CONFIG}" --libs)
2576 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2577 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2578 enable sdl &&
2579 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2580 fi
2581
2582 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2583
2584 if enabled network; then
2585 check_type "sys/types.h sys/socket.h" socklen_t
2586 check_type netdb.h "struct addrinfo"
2587 check_type netinet/in.h "struct ipv6_mreq"
2588 check_type netinet/in.h "struct sockaddr_in6"
2589 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2590 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2591 # Prefer arpa/inet.h over winsock2
2592 if check_header arpa/inet.h ; then
2593 check_func closesocket
2594 elif check_header winsock2.h ; then
2595 check_func_headers winsock2.h closesocket -lws2 && \
2596 network_extralibs="-lws2" || \
2597 { check_func_headers winsock2.h closesocket -lws2_32 && \
2598 network_extralibs="-lws2_32"; }
2599 check_type ws2tcpip.h socklen_t
2600 check_type ws2tcpip.h "struct addrinfo"
2601 check_type ws2tcpip.h "struct ipv6_mreq"
2602 check_type ws2tcpip.h "struct sockaddr_in6"
2603 check_type ws2tcpip.h "struct sockaddr_storage"
2604 check_struct winsock2.h "struct sockaddr" sa_len
2605 else
2606 disable network
2607 fi
2608 fi
2609
2610 check_header linux/videodev.h
2611 check_header linux/videodev2.h
2612 check_header sys/videoio.h
2613
2614 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2615
2616 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2617 { check_header dev/bktr/ioctl_meteor.h &&
2618 check_header dev/bktr/ioctl_bt848.h; } ||
2619 { check_header machine/ioctl_meteor.h &&
2620 check_header machine/ioctl_bt848.h; } ||
2621 { check_header dev/video/meteor/ioctl_meteor.h &&
2622 check_header dev/video/bktr/ioctl_bt848.h; } ||
2623 check_header dev/ic/bt8xx.h
2624
2625 check_header sys/soundcard.h
2626 check_header soundcard.h
2627
2628 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2629
2630 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2631
2632 enabled x11grab &&
2633 check_header X11/Xlib.h &&
2634 check_header X11/extensions/XShm.h &&
2635 check_header X11/extensions/Xfixes.h &&
2636 check_func XOpenDisplay -lX11 &&
2637 check_func XShmCreateImage -lX11 -lXext &&
2638 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2639
2640 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2641 check_cpp_condition \
2642 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2643 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2644 disable vdpau; }
2645 fi
2646
2647 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2648
2649 # add some useful compiler flags if supported
2650 check_cflags -Wdeclaration-after-statement
2651 check_cflags -Wall
2652 check_cflags -Wno-switch
2653 check_cflags -Wdisabled-optimization
2654 check_cflags -Wpointer-arith
2655 check_cflags -Wredundant-decls
2656 check_cflags -Wno-pointer-sign
2657 check_cflags -Wcast-qual
2658 check_cflags -Wwrite-strings
2659 check_cflags -Wtype-limits
2660 check_cflags -Wundef
2661 check_cflags -Wmissing-prototypes
2662 enabled extra_warnings && check_cflags -Winline
2663
2664 # add some linker flags
2665 check_ldflags -Wl,--warn-common
2666 check_ldflags -Wl,--as-needed
2667 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'
2668 check_ldflags -Wl,-Bsymbolic
2669
2670 echo "X{};" > $TMPV
2671 if test_ldflags -Wl,--version-script,$TMPV; then
2672 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2673 check_cc <<EOF && enable symver_asm_label
2674 void ff_foo(void) __asm__ ("av_foo@VERSION");
2675 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2676 EOF
2677 check_cc <<EOF && enable symver_gnu_asm
2678 __asm__(".symver ff_foo,av_foo@VERSION");
2679 void ff_foo(void) {}
2680 EOF
2681 fi
2682
2683 if enabled small; then
2684 add_cflags $size_cflags
2685 optimizations="small"
2686 elif enabled optimizations; then
2687 add_cflags $speed_cflags
2688 else
2689 add_cflags $noopt_cflags
2690 fi
2691 check_cflags -fno-math-errno
2692 check_cflags -fno-signed-zeros
2693
2694 if enabled icc; then
2695 # Just warnings, no remarks
2696 check_cflags -w1
2697 # -wd: Disable following warnings
2698 # 144, 167, 556: -Wno-pointer-sign
2699 # 10006: ignoring unknown option -fno-signed-zeros
2700 # 10156: ignoring option '-W'; no argument required
2701 check_cflags -wd144,167,556,10006,10156
2702 # 11030: Warning unknown option --as-needed
2703 # 10156: ignoring option '-export'; no argument required
2704 check_ldflags -wd10156,11030
2705 # Allow to compile with optimizations
2706 check_ldflags -march=$cpu
2707 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2708 enable ebp_available
2709 elif enabled ccc; then
2710 # disable some annoying warnings
2711 add_cflags -msg_disable cvtu32to64
2712 add_cflags -msg_disable embedcomment
2713 add_cflags -msg_disable needconstext
2714 add_cflags -msg_disable nomainieee
2715 add_cflags -msg_disable ptrmismatch1
2716 add_cflags -msg_disable unreachcode
2717 elif enabled gcc; then
2718 check_cflags -fno-tree-vectorize
2719 check_cflags -Werror=implicit-function-declaration
2720 check_cflags -Werror=missing-prototypes
2721 elif enabled clang; then
2722 check_cflags -Qunused-arguments
2723 elif enabled armcc; then
2724 # 2523: use of inline assembler is deprecated
2725 add_cflags -Wrvct,--diag_suppress=2523
2726 add_cflags -Wrvct,--diag_suppress=1207
2727 elif enabled tms470; then
2728 add_cflags -pds=824 -pds=837
2729 fi
2730
2731 enabled_any $THREADS_LIST && enable threads
2732
2733 check_deps $CONFIG_LIST \
2734 $CONFIG_EXTRA \
2735 $HAVE_LIST \
2736 $DECODER_LIST \
2737 $ENCODER_LIST \
2738 $HWACCEL_LIST \
2739 $PARSER_LIST \
2740 $BSF_LIST \
2741 $DEMUXER_LIST \
2742 $MUXER_LIST \
2743 $FILTER_LIST \
2744 $INDEV_LIST \
2745 $OUTDEV_LIST \
2746 $PROTOCOL_LIST \
2747
2748 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2749
2750 echo "install prefix $prefix"
2751 echo "source path $source_path"
2752 echo "C compiler $cc"
2753 echo "ARCH $arch ($cpu)"
2754 if test "$build_suffix" != ""; then
2755 echo "build suffix $build_suffix"
2756 fi
2757 if test "$extra_version" != ""; then
2758 echo "version string suffix $extra_version"
2759 fi
2760 echo "big-endian ${bigendian-no}"
2761 echo "runtime cpu detection ${runtime_cpudetect-no}"
2762 if enabled x86; then
2763 echo "yasm ${yasm-no}"
2764 echo "MMX enabled ${mmx-no}"
2765 echo "MMX2 enabled ${mmx2-no}"
2766 echo "3DNow! enabled ${amd3dnow-no}"
2767 echo "3DNow! extended enabled ${amd3dnowext-no}"
2768 echo "SSE enabled ${sse-no}"
2769 echo "SSSE3 enabled ${ssse3-no}"
2770 echo "CMOV enabled ${cmov-no}"
2771 echo "CMOV is fast ${fast_cmov-no}"
2772 echo "EBX available ${ebx_available-no}"
2773 echo "EBP available ${ebp_available-no}"
2774 echo "10 operands supported ${ten_operands-no}"
2775 fi
2776 if enabled arm; then
2777 echo "ARMv5TE enabled ${armv5te-no}"
2778 echo "ARMv6 enabled ${armv6-no}"
2779 echo "ARMv6T2 enabled ${armv6t2-no}"
2780 echo "ARM VFP enabled ${armvfp-no}"
2781 echo "IWMMXT enabled ${iwmmxt-no}"
2782 echo "NEON enabled ${neon-no}"
2783 fi
2784 if enabled mips; then
2785 echo "MMI enabled ${mmi-no}"
2786 fi
2787 if enabled ppc; then
2788 echo "AltiVec enabled ${altivec-no}"
2789 echo "PPC 4xx optimizations ${ppc4xx-no}"
2790 echo "dcbzl available ${dcbzl-no}"
2791 fi
2792 if enabled sparc; then
2793 echo "VIS enabled ${vis-no}"
2794 fi
2795 echo "debug symbols ${debug-no}"
2796 echo "strip symbols ${stripping-no}"
2797 echo "optimizations ${optimizations-no}"
2798 echo "static ${static-no}"
2799 echo "shared ${shared-no}"
2800 echo "postprocessing support ${postproc-no}"
2801 echo "new filter support ${avfilter-no}"
2802 echo "filters using lavformat ${avfilter_lavf-no}"
2803 echo "network support ${network-no}"
2804 echo "threading support ${thread_type-no}"
2805 echo "SDL support ${sdl-no}"
2806 echo "Sun medialib support ${mlib-no}"
2807 echo "AVISynth enabled ${avisynth-no}"
2808 echo "libdc1394 support ${libdc1394-no}"
2809 echo "libdirac enabled ${libdirac-no}"
2810 echo "libfaac enabled ${libfaac-no}"
2811 echo "libgsm enabled ${libgsm-no}"
2812 echo "libmp3lame enabled ${libmp3lame-no}"
2813 echo "libnut enabled ${libnut-no}"
2814 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2815 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2816 echo "libopenjpeg enabled ${libopenjpeg-no}"
2817 echo "librtmp enabled ${librtmp-no}"
2818 echo "libschroedinger enabled ${libschroedinger-no}"
2819 echo "libspeex enabled ${libspeex-no}"
2820 echo "libtheora enabled ${libtheora-no}"
2821 echo "libvorbis enabled ${libvorbis-no}"
2822 echo "libvpx enabled ${libvpx-no}"
2823 echo "libx264 enabled ${libx264-no}"
2824 echo "libxvid enabled ${libxvid-no}"
2825 echo "zlib enabled ${zlib-no}"
2826 echo "bzlib enabled ${bzlib-no}"
2827 echo
2828
2829 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2830 echo "Enabled ${type}s:"
2831 eval list=\$$(toupper $type)_LIST
2832 for part in $list; do
2833 enabled $part && echo ${part%_*}
2834 done | sort | pr -3 -t
2835 echo
2836 done
2837
2838 license="LGPL version 2.1 or later"
2839 if enabled nonfree; then
2840 license="nonfree and unredistributable"
2841 elif enabled gplv3; then
2842 license="GPL version 3 or later"
2843 elif enabled lgplv3; then
2844 license="LGPL version 3 or later"
2845 elif enabled gpl; then
2846 license="GPL version 2 or later"
2847 fi
2848
2849 echo "License: $license"
2850
2851 echo "Creating config.mak and config.h..."
2852
2853 # build tree in object directory if source path is different from current one
2854 if enabled source_path_used; then
2855 DIRS="
2856 doc
2857 libavcodec
2858 libavcodec/$arch
2859 libavdevice
2860 libavfilter
2861 libavformat
2862 libavutil
2863 libavutil/$arch
2864 libpostproc
2865 libswscale
2866 libswscale/$arch
2867 tests
2868 tools
2869 "
2870 FILES="
2871 Makefile
2872 common.mak
2873 subdir.mak
2874 doc/texi2pod.pl
2875 libavcodec/Makefile
2876 libavcodec/${arch}/Makefile
2877 libavdevice/Makefile
2878 libavfilter/Makefile
2879 libavformat/Makefile
2880 libavutil/Makefile
2881 libpostproc/Makefile
2882 libswscale/Makefile
2883 "
2884 map 'mkdir -p $v' $DIRS;
2885 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2886 fi
2887
2888 enabled stripping || strip="echo skipping strip"
2889
2890 cat > config.mak <<EOF
2891 # Automatically generated by configure - do not modify!
2892 ifndef FFMPEG_CONFIG_MAK
2893 FFMPEG_CONFIG_MAK=1
2894 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2895 prefix=$prefix
2896 LIBDIR=\$(DESTDIR)$libdir
2897 SHLIBDIR=\$(DESTDIR)$shlibdir
2898 INCDIR=\$(DESTDIR)$incdir
2899 BINDIR=\$(DESTDIR)$bindir
2900 DATADIR=\$(DESTDIR)$datadir
2901 MANDIR=\$(DESTDIR)$mandir
2902 SRC_PATH="$source_path"
2903 SRC_PATH_BARE=$source_path
2904 BUILD_ROOT="$PWD"
2905 ARCH=$arch
2906 CC=$cc
2907 AS=$as
2908 LD=$ld
2909 DEPCC=$dep_cc
2910 YASM=$yasmexe
2911 YASMDEP=$yasmexe
2912 AR=$ar
2913 RANLIB=$ranlib
2914 CP=cp -p
2915 LN_S=$ln_s
2916 STRIP=$strip
2917 CPPFLAGS=$CPPFLAGS
2918 CFLAGS=$CFLAGS
2919 ASFLAGS=$ASFLAGS
2920 CC_O=$CC_O
2921 LDFLAGS=$LDFLAGS
2922 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2923 SHFLAGS=$SHFLAGS
2924 YASMFLAGS=$YASMFLAGS
2925 BUILDSUF=$build_suffix
2926 FULLNAME=$FULLNAME
2927 LIBPREF=$LIBPREF
2928 LIBSUF=$LIBSUF
2929 LIBNAME=$LIBNAME
2930 SLIBPREF=$SLIBPREF
2931 SLIBSUF=$SLIBSUF
2932 EXESUF=$EXESUF
2933 EXTRA_VERSION=$extra_version
2934 DEPFLAGS=$DEPFLAGS
2935 CCDEP=$CCDEP
2936 ASDEP=$ASDEP
2937 CC_DEPFLAGS=$CC_DEPFLAGS
2938 AS_DEPFLAGS=$AS_DEPFLAGS
2939 HOSTCC=$host_cc
2940 HOSTCFLAGS=$host_cflags
2941 HOSTEXESUF=$HOSTEXESUF
2942 HOSTLDFLAGS=$host_ldflags
2943 HOSTLIBS=$host_libs
2944 TARGET_EXEC=$target_exec
2945 TARGET_PATH=$target_path
2946 SDL_LIBS=$sdl_libs
2947 SDL_CFLAGS=$sdl_cflags
2948 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2949 EXTRALIBS=$extralibs
2950 INSTALL=install
2951 LIBTARGET=${LIBTARGET}
2952 SLIBNAME=${SLIBNAME}
2953 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2954 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2955 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2956 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2957 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2958 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2959 SAMPLES=$samples
2960 EOF
2961
2962 get_version(){
2963 name=$1
2964 file=$source_path/$2
2965 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2966 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2967 lcname=$(tolower $name)
2968 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2969 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2970 }
2971
2972 get_version LIBSWSCALE libswscale/swscale.h
2973 get_version LIBPOSTPROC libpostproc/postprocess.h
2974 get_version LIBAVCODEC libavcodec/avcodec.h
2975 get_version LIBAVDEVICE libavdevice/avdevice.h
2976 get_version LIBAVFORMAT libavformat/avformat.h
2977 get_version LIBAVUTIL libavutil/avutil.h
2978 get_version LIBAVFILTER libavfilter/avfilter.h
2979
2980 cat > $TMPH <<EOF
2981 /* Automatically generated by configure - do not modify! */
2982 #ifndef FFMPEG_CONFIG_H
2983 #define FFMPEG_CONFIG_H
2984 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2985 #define FFMPEG_LICENSE "$(c_escape $license)"
2986 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2987 #define CC_TYPE "$cc_type"
2988 #define CC_VERSION $cc_version
2989 #define restrict $_restrict
2990 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
2991 #define EXTERN_PREFIX "${extern_prefix}"
2992 #define EXTERN_ASM ${extern_prefix}
2993 EOF
2994
2995 test -n "$malloc_prefix" &&
2996 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2997
2998 if enabled small || disabled optimizations; then
2999 echo "#undef av_always_inline" >> $TMPH
3000 echo "#define av_always_inline" >> $TMPH
3001 fi
3002
3003 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3004 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3005 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3006 $CONFIG_EXTRA \
3007 $DECODER_LIST \
3008 $ENCODER_LIST \
3009 $HWACCEL_LIST \
3010 $PARSER_LIST \
3011 $BSF_LIST \
3012 $DEMUXER_LIST \
3013 $MUXER_LIST \
3014 $FILTER_LIST \
3015 $PROTOCOL_LIST \
3016 $INDEV_LIST \
3017 $OUTDEV_LIST \
3018
3019 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3020 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3021
3022 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3023 cp_if_changed $TMPH config.h
3024
3025 cat > $TMPH <<EOF
3026 /* Generated by ffconf */
3027 #ifndef AVUTIL_AVCONFIG_H
3028 #define AVUTIL_AVCONFIG_H
3029 EOF
3030
3031 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3032
3033 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3034
3035 cp_if_changed $TMPH libavutil/avconfig.h
3036
3037 test -n "$WARNINGS" && printf "\n$WARNINGS"
3038
3039 # build pkg-config files
3040
3041 pkgconfig_generate(){
3042 name=$1
3043 shortname=${name#lib}${build_suffix}
3044 comment=$2
3045 version=$3
3046 libs=$4
3047 requires=$5
3048 cat <<EOF > $name/$name.pc
3049 prefix=$prefix
3050 exec_prefix=\${prefix}
3051 libdir=$libdir
3052 includedir=$incdir
3053
3054 Name: $name
3055 Description: $comment
3056 Version: $version
3057 Requires: $(enabled shared || echo $requires)
3058 Requires.private: $(enabled shared && echo $requires)
3059 Conflicts:
3060 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3061 Libs.private: $(enabled shared && echo $libs)
3062 Cflags: -I\${includedir}
3063 EOF
3064 cat <<EOF > $name/$name-uninstalled.pc
3065 prefix=
3066 exec_prefix=
3067 libdir=\${pcfiledir}
3068 includedir=${source_path}
3069
3070 Name: $name
3071 Description: $comment
3072 Version: $version
3073 Requires: $requires
3074 Conflicts:
3075 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3076 Cflags: -I\${includedir}
3077 EOF
3078 }
3079
3080 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3081 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3082 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3083 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3084 enabled avfilter &&
3085 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3086 enabled postproc &&
3087 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3088 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"