Name the default configure log filename as "config.log" rather than
[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 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
106 --disable-dct disable DCT code
107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
114 --disable-dxva2 disable DXVA2 code
115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --disable-everything disable all components listed below
119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163 External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-librtmp enable RTMP[E] support via librtmp [no]
180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
185 --enable-libvpx enable VP8 support via libvpx [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --enable-powerpc-perf enable performance report on PPC
219 (requires enabling PMC)
220 --disable-asm disable all assembler optimizations
221 --disable-altivec disable AltiVec optimizations
222 --disable-amd3dnow disable 3DNow! optimizations
223 --disable-amd3dnowext disable 3DNow! extended optimizations
224 --disable-mmx disable MMX optimizations
225 --disable-mmx2 disable MMX2 optimizations
226 --disable-sse disable SSE optimizations
227 --disable-ssse3 disable SSSE3 optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
238 --malloc-prefix=PFX prefix malloc and related names with PFX
239 --enable-sram allow use of on-chip SRAM
240
241 Developer options (useful when working on FFmpeg itself):
242 --disable-debug disable debugging symbols
243 --enable-debug=LEVEL set the debug level [$debuglevel]
244 --enable-gprof enable profiling with gprof [$gprof]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --disable-stripping disable stripping of executables and shared libraries
248 --samples=PATH location of test samples for FATE
249
250 NOTE: Object files are built at the place where configure is launched.
251 EOF
252 exit 0
253 }
254
255 quotes='""'
256
257 log(){
258 echo "$@" >> $logfile
259 }
260
261 log_file(){
262 log BEGIN $1
263 pr -n -t $1 >> $logfile
264 log END $1
265 }
266
267 echolog(){
268 log "$@"
269 echo "$@"
270 }
271
272 die(){
273 echolog "$@"
274 cat <<EOF
275
276 If you think configure made a mistake, make sure you are using the latest
277 version from SVN. If the latest version fails, report the problem to the
278 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
279 EOF
280 if disabled logging; then
281 cat <<EOF
282 Rerun configure with logging enabled (do not use --disable-logging), and
283 include the log this produces with your report.
284 EOF
285 else
286 cat <<EOF
287 Include the log file "$logfile" produced by configure as this will help
288 solving the problem.
289 EOF
290 fi
291 exit 1
292 }
293
294 # Avoid locale weirdness, besides we really just want to translate ASCII.
295 toupper(){
296 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
297 }
298
299 tolower(){
300 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
301 }
302
303 c_escape(){
304 echo "$*" | sed 's/["\\]/\\\0/g'
305 }
306
307 sh_quote(){
308 v=$(echo "$1" | sed "s/'/'\\\\''/g")
309 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
310 echo "$v"
311 }
312
313 filter(){
314 pat=$1
315 shift
316 for v; do
317 eval "case $v in $pat) echo $v ;; esac"
318 done
319 }
320
321 map(){
322 m=$1
323 shift
324 for v; do eval $m; done
325 }
326
327 set_all(){
328 value=$1
329 shift
330 for var in $*; do
331 eval $var=$value
332 done
333 }
334
335 set_weak(){
336 value=$1
337 shift
338 for var; do
339 eval : \${$var:=$value}
340 done
341 }
342
343 pushvar(){
344 for var in $*; do
345 eval level=\${${var}_level:=0}
346 eval ${var}_${level}="\$$var"
347 eval ${var}_level=$(($level+1))
348 done
349 }
350
351 popvar(){
352 for var in $*; do
353 eval level=\${${var}_level:-0}
354 test $level = 0 && continue
355 eval level=$(($level-1))
356 eval $var="\${${var}_${level}}"
357 eval ${var}_level=$level
358 eval unset ${var}_${level}
359 done
360 }
361
362 enable(){
363 set_all yes $*
364 }
365
366 disable(){
367 set_all no $*
368 }
369
370 enable_weak(){
371 set_weak yes $*
372 }
373
374 disable_weak(){
375 set_weak no $*
376 }
377
378 enable_safe(){
379 for var; do
380 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
381 done
382 }
383
384 disable_safe(){
385 for var; do
386 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
387 done
388 }
389
390 do_enable_deep(){
391 for var; do
392 enabled $var && continue
393 eval sel="\$${var}_select"
394 eval sgs="\$${var}_suggest"
395 pushvar var sgs
396 enable_deep $sel
397 popvar sgs
398 enable_deep_weak $sgs
399 popvar var
400 done
401 }
402
403 enable_deep(){
404 do_enable_deep $*
405 enable $*
406 }
407
408 enable_deep_weak(){
409 do_enable_deep $*
410 enable_weak $*
411 }
412
413 enabled(){
414 test "${1#!}" = "$1" && op== || op=!=
415 eval test "x\$${1#!}" $op "xyes"
416 }
417
418 disabled(){
419 test "${1#!}" = "$1" && op== || op=!=
420 eval test "x\$${1#!}" $op "xno"
421 }
422
423 enabled_all(){
424 for opt; do
425 enabled $opt || return 1
426 done
427 }
428
429 disabled_all(){
430 for opt; do
431 disabled $opt || return 1
432 done
433 }
434
435 enabled_any(){
436 for opt; do
437 enabled $opt && return 0
438 done
439 }
440
441 disabled_any(){
442 for opt; do
443 disabled $opt && return 0
444 done
445 return 1
446 }
447
448 set_default(){
449 for opt; do
450 eval : \${$opt:=\$${opt}_default}
451 done
452 }
453
454 is_in(){
455 value=$1
456 shift
457 for var in $*; do
458 [ $var = $value ] && return 0
459 done
460 return 1
461 }
462
463 check_deps(){
464 for cfg; do
465 cfg="${cfg#!}"
466 enabled ${cfg}_checking && die "Circular dependency for $cfg."
467 disabled ${cfg}_checking && continue
468 enable ${cfg}_checking
469
470 eval dep_all="\$${cfg}_deps"
471 eval dep_any="\$${cfg}_deps_any"
472 eval dep_sel="\$${cfg}_select"
473 eval dep_sgs="\$${cfg}_suggest"
474 eval dep_ifa="\$${cfg}_if"
475 eval dep_ifn="\$${cfg}_if_any"
476
477 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
478 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
479 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480
481 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
482 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
483 enabled_all $dep_all || disable $cfg
484 enabled_any $dep_any || disable $cfg
485 disabled_any $dep_sel && disable $cfg
486
487 if enabled $cfg; then
488 eval dep_extralibs="\$${cfg}_extralibs"
489 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
490 enable_deep $dep_sel
491 enable_deep_weak $dep_sgs
492 fi
493
494 disable ${cfg}_checking
495 done
496 }
497
498 print_config(){
499 pfx=$1
500 header=$2
501 makefile=$3
502 shift 3
503 for cfg; do
504 ucname="$(toupper $cfg)"
505 if enabled $cfg; then
506 echo "#define ${pfx}${ucname} 1" >> $header
507 echo "${pfx}${ucname}=yes" >> $makefile
508 else
509 echo "#define ${pfx}${ucname} 0" >> $header
510 echo "!${pfx}${ucname}=yes" >> $makefile
511 fi
512 done
513 }
514
515 flags_saved(){
516 (: ${SAVE_CFLAGS?}) 2> /dev/null
517 }
518
519 save_flags(){
520 flags_saved && return
521 SAVE_CFLAGS="$CFLAGS"
522 SAVE_LDFLAGS="$LDFLAGS"
523 SAVE_extralibs="$extralibs"
524 }
525
526 restore_flags(){
527 flags_saved || return
528 CFLAGS="$SAVE_CFLAGS"
529 LDFLAGS="$SAVE_LDFLAGS"
530 extralibs="$SAVE_extralibs"
531 unset SAVE_CFLAGS
532 unset SAVE_LDFLAGS
533 unset SAVE_extralibs
534 }
535
536 temp_cflags(){
537 save_flags
538 CFLAGS="$CFLAGS $*"
539 }
540
541 temp_ldflags(){
542 save_flags
543 LDFLAGS="$LDFLAGS $*"
544 }
545
546 temp_extralibs(){
547 save_flags
548 extralibs="$extralibs $*"
549 }
550
551 append(){
552 var=$1
553 shift
554 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
555 eval "$var=\"\$$var $*\""
556 }
557
558 add_cppflags(){
559 append CPPFLAGS $($filter_cppflags "$@")
560 }
561
562 add_cflags(){
563 append CFLAGS $($filter_cflags "$@")
564 }
565
566 add_asflags(){
567 append ASFLAGS $($filter_asflags "$@")
568 }
569
570 add_ldflags(){
571 append LDFLAGS "$@"
572 }
573
574 add_extralibs(){
575 append extralibs "$@"
576 }
577
578 check_cmd(){
579 log "$@"
580 "$@" >> $logfile 2>&1
581 }
582
583 check_cc(){
584 log check_cc "$@"
585 cat > $TMPC
586 log_file $TMPC
587 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
588 }
589
590 check_cpp(){
591 log check_cpp "$@"
592 cat > $TMPC
593 log_file $TMPC
594 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
595 }
596
597 check_as(){
598 log check_as "$@"
599 cat > $TMPC
600 log_file $TMPC
601 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
602 }
603
604 check_asm(){
605 log check_asm "$@"
606 name="$1"
607 code="$2"
608 shift 2
609 disable $name
610 check_as "$@" <<EOF && enable $name
611 void foo(void){ __asm__ volatile($code); }
612 EOF
613 }
614
615 check_yasm(){
616 log check_yasm "$@"
617 echo "$1" > $TMPS
618 log_file $TMPS
619 shift 1
620 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
621 }
622
623 check_ld(){
624 log check_ld "$@"
625 flags=''
626 libs=''
627 for f; do
628 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
629 done
630 check_cc $($filter_cflags $flags) || return
631 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
632 }
633
634 check_cppflags(){
635 log check_cppflags "$@"
636 set -- $($filter_cppflags "$@")
637 check_cc "$@" <<EOF && append CPPFLAGS "$@"
638 int x;
639 EOF
640 }
641
642 check_cflags(){
643 log check_cflags "$@"
644 set -- $($filter_cflags "$@")
645 check_cc "$@" <<EOF && append CFLAGS "$@"
646 int x;
647 EOF
648 }
649
650 test_ldflags(){
651 log test_ldflags "$@"
652 check_ld "$@" <<EOF
653 int main(void){ return 0; }
654 EOF
655 }
656
657 check_ldflags(){
658 log check_ldflags "$@"
659 test_ldflags "$@" && add_ldflags "$@"
660 }
661
662 check_header(){
663 log check_header "$@"
664 header=$1
665 shift
666 disable_safe $header
667 check_cpp "$@" <<EOF && enable_safe $header
668 #include <$header>
669 int x;
670 EOF
671 }
672
673 check_func(){
674 log check_func "$@"
675 func=$1
676 shift
677 disable $func
678 check_ld "$@" <<EOF && enable $func
679 extern int $func();
680 int main(void){ $func(); }
681 EOF
682 }
683
684 check_mathfunc(){
685 log check_mathfunc "$@"
686 func=$1
687 shift
688 disable $func
689 check_ld "$@" <<EOF && enable $func
690 #include <math.h>
691 float foo(float f) { return $func(f); }
692 int main(void){ return 0; }
693 EOF
694 }
695
696 check_func_headers(){
697 log check_func_headers "$@"
698 headers=$1
699 func=$2
700 shift 2
701 disable $func
702 incs=""
703 for hdr in $headers; do
704 incs="$incs
705 #include <$hdr>"
706 done
707 check_ld "$@" <<EOF && enable $func && enable_safe $headers
708 $incs
709 int main(int argc, char **argv){
710 return (long) $func;
711 }
712 EOF
713 }
714
715 check_cpp_condition(){
716 log check_cpp_condition "$@"
717 header=$1
718 condition=$2
719 shift 2
720 check_cpp $($filter_cppflags "$@") <<EOF
721 #include <$header>
722 #if !($condition)
723 #error "unsatisfied condition: $condition"
724 #endif
725 EOF
726 }
727
728 check_lib(){
729 log check_lib "$@"
730 header="$1"
731 func="$2"
732 shift 2
733 temp_extralibs "$@"
734 check_header $header && check_func $func && add_extralibs "$@"
735 err=$?
736 restore_flags
737 return $err
738 }
739
740 check_lib2(){
741 log check_lib2 "$@"
742 headers="$1"
743 func="$2"
744 shift 2
745 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
746 }
747
748 check_exec(){
749 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
750 }
751
752 check_exec_crash(){
753 code=$(cat)
754
755 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
756 # are safe but may not be available everywhere. Thus we use
757 # raise(SIGTERM) instead. The check is run in a subshell so we
758 # can redirect the "Terminated" message from the shell. SIGBUS
759 # is not defined by standard C so it is used conditionally.
760
761 (check_exec "$@") >> $logfile 2>&1 <<EOF
762 #include <signal.h>
763 static void sighandler(int sig){
764 raise(SIGTERM);
765 }
766 int main(void){
767 signal(SIGILL, sighandler);
768 signal(SIGFPE, sighandler);
769 signal(SIGSEGV, sighandler);
770 #ifdef SIGBUS
771 signal(SIGBUS, sighandler);
772 #endif
773 { $code }
774 }
775 EOF
776 }
777
778 check_type(){
779 log check_type "$@"
780 headers=$1
781 type=$2
782 shift 2
783 disable_safe "$type"
784 incs=""
785 for hdr in $headers; do
786 incs="$incs
787 #include <$hdr>"
788 done
789 check_cc "$@" <<EOF && enable_safe "$type"
790 $incs
791 $type v;
792 EOF
793 }
794
795 check_struct(){
796 log check_type "$@"
797 headers=$1
798 struct=$2
799 member=$3
800 shift 3
801 disable_safe "${struct}_${member}"
802 incs=""
803 for hdr in $headers; do
804 incs="$incs
805 #include <$hdr>"
806 done
807 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
808 $incs
809 const void *p = &(($struct *)0)->$member;
810 EOF
811 }
812
813 require(){
814 name="$1"
815 header="$2"
816 func="$3"
817 shift 3
818 check_lib $header $func "$@" || die "ERROR: $name not found"
819 }
820
821 require2(){
822 name="$1"
823 headers="$2"
824 func="$3"
825 shift 3
826 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
827 }
828
829 check_foo_config(){
830 cfg=$1
831 pkg=$2
832 header=$3
833 func=$4
834 shift 4
835 disable $cfg
836 check_cmd ${pkg}-config --version
837 err=$?
838 if test "$err" = 0; then
839 temp_cflags $(${pkg}-config --cflags)
840 temp_extralibs $(${pkg}-config --libs)
841 check_lib "$@" $header $func && enable $cfg
842 fi
843 return $err
844 }
845
846 check_host_cc(){
847 log check_host_cc "$@"
848 cat > $TMPC
849 log_file $TMPC
850 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
851 }
852
853 check_host_cflags(){
854 log check_host_cflags "$@"
855 check_host_cc "$@" <<EOF && append host_cflags "$@"
856 int x;
857 EOF
858 }
859
860 apply(){
861 file=$1
862 shift
863 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
864 }
865
866 cp_if_changed(){
867 cmp -s "$1" "$2" &&
868 echo "$2 is unchanged" ||
869 cp -f "$1" "$2"
870 }
871
872 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
873 # system-dependent things.
874
875 COMPONENT_LIST="
876 bsfs
877 decoders
878 demuxers
879 encoders
880 filters
881 hwaccels
882 indevs
883 muxers
884 outdevs
885 parsers
886 protocols
887 "
888
889 CONFIG_LIST="
890 $COMPONENT_LIST
891 aandct
892 avcodec
893 avdevice
894 avfilter
895 avfilter_lavf
896 avformat
897 avisynth
898 bzlib
899 dct
900 doc
901 dwt
902 dxva2
903 fastdiv
904 ffmpeg
905 ffplay
906 ffprobe
907 ffserver
908 fft
909 golomb
910 gpl
911 gprof
912 gray
913 h264dsp
914 hardcoded_tables
915 libdc1394
916 libdirac
917 libfaac
918 libfaad
919 libfaadbin
920 libgsm
921 libmp3lame
922 libnut
923 libopencore_amrnb
924 libopencore_amrwb
925 libopenjpeg
926 librtmp
927 libschroedinger
928 libspeex
929 libtheora
930 libvorbis
931 libvpx
932 libx264
933 libxvid
934 lpc
935 lsp
936 mdct
937 memalign_hack
938 mlib
939 mpegaudio_hp
940 network
941 nonfree
942 pic
943 postproc
944 powerpc_perf
945 rdft
946 runtime_cpudetect
947 shared
948 small
949 sram
950 static
951 swscale
952 swscale_alpha
953 vaapi
954 vdpau
955 version3
956 x11grab
957 zlib
958 "
959
960 THREADS_LIST='
961 beosthreads
962 os2threads
963 pthreads
964 w32threads
965 '
966
967 ARCH_LIST='
968 alpha
969 arm
970 avr32
971 avr32_ap
972 avr32_uc
973 bfin
974 ia64
975 m68k
976 mips
977 mips64
978 parisc
979 ppc
980 ppc64
981 s390
982 sh4
983 sparc
984 sparc64
985 tomi
986 x86
987 x86_32
988 x86_64
989 '
990
991 ARCH_EXT_LIST='
992 altivec
993 amd3dnow
994 amd3dnowext
995 armv5te
996 armv6
997 armv6t2
998 armvfp
999 iwmmxt
1000 mmi
1001 mmx
1002 mmx2
1003 neon
1004 ppc4xx
1005 sse
1006 ssse3
1007 vis
1008 '
1009
1010 HAVE_LIST_PUB='
1011 bigendian
1012 '
1013
1014 HAVE_LIST="
1015 $ARCH_EXT_LIST
1016 $HAVE_LIST_PUB
1017 $THREADS_LIST
1018 alsa_asoundlib_h
1019 altivec_h
1020 arpa_inet_h
1021 attribute_may_alias
1022 attribute_packed
1023 bswap
1024 closesocket
1025 cmov
1026 conio_h
1027 dcbzl
1028 dev_bktr_ioctl_bt848_h
1029 dev_bktr_ioctl_meteor_h
1030 dev_ic_bt8xx_h
1031 dev_video_meteor_ioctl_meteor_h
1032 dev_video_bktr_ioctl_bt848_h
1033 dlfcn_h
1034 dlopen
1035 dos_paths
1036 ebp_available
1037 ebx_available
1038 exp2
1039 exp2f
1040 fast_64bit
1041 fast_clz
1042 fast_cmov
1043 fast_unaligned
1044 fork
1045 getaddrinfo
1046 gethrtime
1047 GetProcessMemoryInfo
1048 GetProcessTimes
1049 getrusage
1050 struct_rusage_ru_maxrss
1051 inet_aton
1052 inline_asm
1053 isatty
1054 ldbrx
1055 libdc1394_1
1056 libdc1394_2
1057 llrint
1058 llrintf
1059 local_aligned_16
1060 local_aligned_8
1061 log2
1062 log2f
1063 loongson
1064 lrint
1065 lrintf
1066 lzo1x_999_compress
1067 machine_ioctl_bt848_h
1068 machine_ioctl_meteor_h
1069 malloc_h
1070 memalign
1071 mkstemp
1072 pld
1073 posix_memalign
1074 round
1075 roundf
1076 sdl
1077 sdl_video_size
1078 setmode
1079 socklen_t
1080 soundcard_h
1081 poll_h
1082 setrlimit
1083 strerror_r
1084 struct_addrinfo
1085 struct_ipv6_mreq
1086 struct_sockaddr_in6
1087 struct_sockaddr_sa_len
1088 struct_sockaddr_storage
1089 symver
1090 symver_gnu_asm
1091 symver_asm_label
1092 sys_mman_h
1093 sys_resource_h
1094 sys_select_h
1095 sys_soundcard_h
1096 sys_videoio_h
1097 ten_operands
1098 termios_h
1099 threads
1100 truncf
1101 vfp_args
1102 VirtualAlloc
1103 winsock2_h
1104 xform_asm
1105 yasm
1106 "
1107
1108 # options emitted with CONFIG_ prefix but not available on command line
1109 CONFIG_EXTRA="
1110 avutil
1111 gplv3
1112 lgplv3
1113 "
1114
1115 CMDLINE_SELECT="
1116 $ARCH_EXT_LIST
1117 $CONFIG_LIST
1118 $THREADS_LIST
1119 asm
1120 cross_compile
1121 debug
1122 extra_warnings
1123 logging
1124 optimizations
1125 stripping
1126 yasm
1127 "
1128
1129 PATHS_LIST='
1130 bindir
1131 datadir
1132 incdir
1133 libdir
1134 mandir
1135 prefix
1136 shlibdir
1137 '
1138
1139 CMDLINE_SET="
1140 $PATHS_LIST
1141 ar
1142 arch
1143 as
1144 build_suffix
1145 cc
1146 cpu
1147 cross_prefix
1148 dep_cc
1149 extra_version
1150 host_cc
1151 host_cflags
1152 host_ldflags
1153 host_libs
1154 host_os
1155 ld
1156 logfile
1157 malloc_prefix
1158 nm
1159 samples
1160 source_path
1161 strip
1162 sysinclude
1163 sysroot
1164 target_exec
1165 target_os
1166 target_path
1167 "
1168
1169 CMDLINE_APPEND="
1170 extra_cflags
1171 "
1172
1173 # code dependency declarations
1174
1175 # architecture extensions
1176
1177 armv5te_deps="arm"
1178 armv6_deps="arm"
1179 armv6t2_deps="arm"
1180 armvfp_deps="arm"
1181 iwmmxt_deps="arm"
1182 neon_deps="arm"
1183
1184 mmi_deps="mips"
1185
1186 altivec_deps="ppc"
1187 ppc4xx_deps="ppc"
1188
1189 vis_deps="sparc"
1190
1191 x86_64_suggest="cmov fast_cmov"
1192 amd3dnow_deps="mmx"
1193 amd3dnowext_deps="amd3dnow"
1194 mmx_deps="x86"
1195 mmx2_deps="mmx"
1196 sse_deps="mmx"
1197 ssse3_deps="sse"
1198
1199 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1200 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1201 fast_unaligned_if_any="armv6 ppc x86"
1202
1203 need_memalign="altivec neon sse"
1204 inline_asm_deps="!tms470"
1205
1206 symver_if_any="symver_asm_label symver_gnu_asm"
1207
1208 # subsystems
1209 mdct_select="fft"
1210 rdft_select="fft"
1211
1212 # decoders / encoders / hardware accelerators
1213 aac_decoder_select="mdct rdft aac_parser"
1214 aac_encoder_select="mdct"
1215 ac3_decoder_select="mdct ac3_parser"
1216 alac_encoder_select="lpc"
1217 amrnb_decoder_select="lsp"
1218 atrac1_decoder_select="mdct"
1219 atrac3_decoder_select="mdct"
1220 binkaudio_dct_decoder_select="mdct rdft dct"
1221 binkaudio_rdft_decoder_select="mdct rdft"
1222 cavs_decoder_select="golomb"
1223 cook_decoder_select="mdct"
1224 cscd_decoder_suggest="zlib"
1225 dca_decoder_select="mdct"
1226 dnxhd_encoder_select="aandct"
1227 dxa_decoder_select="zlib"
1228 eac3_decoder_select="ac3_decoder"
1229 eamad_decoder_select="aandct"
1230 eatgq_decoder_select="aandct"
1231 eatqi_decoder_select="aandct"
1232 ffv1_decoder_select="golomb"
1233 flac_decoder_select="golomb"
1234 flac_encoder_select="golomb lpc"
1235 flashsv_decoder_select="zlib"
1236 flashsv_encoder_select="zlib"
1237 flv_decoder_select="h263_decoder"
1238 flv_encoder_select="h263_encoder"
1239 h261_encoder_select="aandct"
1240 h263_decoder_select="h263_parser"
1241 h263_encoder_select="aandct"
1242 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1243 h263i_decoder_select="h263_decoder"
1244 h263p_encoder_select="h263_encoder"
1245 h264_decoder_select="golomb h264dsp"
1246 h264_dxva2_hwaccel_deps="dxva2api_h"
1247 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1248 h264_vaapi_hwaccel_select="vaapi"
1249 h264_vdpau_decoder_select="vdpau h264_decoder"
1250 imc_decoder_select="fft mdct"
1251 jpegls_decoder_select="golomb"
1252 jpegls_encoder_select="golomb"
1253 ljpeg_encoder_select="aandct"
1254 loco_decoder_select="golomb"
1255 mjpeg_encoder_select="aandct"
1256 mlp_decoder_select="mlp_parser"
1257 mpeg1video_encoder_select="aandct"
1258 mpeg2video_encoder_select="aandct"
1259 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1260 mpeg4_encoder_select="h263_encoder"
1261 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1262 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1263 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1264 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1265 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1266 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1267 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1268 msmpeg4v1_decoder_select="h263_decoder"
1269 msmpeg4v1_encoder_select="h263_encoder"
1270 msmpeg4v2_decoder_select="h263_decoder"
1271 msmpeg4v2_encoder_select="h263_encoder"
1272 msmpeg4v3_decoder_select="h263_decoder"
1273 msmpeg4v3_encoder_select="h263_encoder"
1274 nellymoser_decoder_select="mdct"
1275 nellymoser_encoder_select="mdct"
1276 png_decoder_select="zlib"
1277 png_encoder_select="zlib"
1278 qcelp_decoder_select="lsp"
1279 qdm2_decoder_select="mdct rdft"
1280 real_144_encoder_select="lpc"
1281 rv10_decoder_select="h263_decoder"
1282 rv10_encoder_select="h263_encoder"
1283 rv20_decoder_select="h263_decoder"
1284 rv20_encoder_select="h263_encoder"
1285 rv30_decoder_select="golomb h264dsp"
1286 rv40_decoder_select="golomb h264dsp"
1287 shorten_decoder_select="golomb"
1288 sipr_decoder_select="lsp"
1289 snow_decoder_select="dwt"
1290 snow_encoder_select="aandct dwt"
1291 sonic_decoder_select="golomb"
1292 sonic_encoder_select="golomb"
1293 sonic_ls_encoder_select="golomb"
1294 svq1_encoder_select="aandct"
1295 svq3_decoder_select="golomb h264dsp"
1296 svq3_decoder_suggest="zlib"
1297 theora_decoder_select="vp3_decoder"
1298 tiff_decoder_suggest="zlib"
1299 tiff_encoder_suggest="zlib"
1300 truehd_decoder_select="mlp_decoder"
1301 tscc_decoder_select="zlib"
1302 twinvq_decoder_select="mdct lsp"
1303 vc1_decoder_select="h263_decoder"
1304 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1305 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1306 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1307 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1308 vorbis_decoder_select="mdct"
1309 vorbis_encoder_select="mdct"
1310 vp6a_decoder_select="vp6_decoder"
1311 vp6f_decoder_select="vp6_decoder"
1312 wmapro_decoder_select="mdct"
1313 wmav1_decoder_select="mdct"
1314 wmav1_encoder_select="mdct"
1315 wmav2_decoder_select="mdct"
1316 wmav2_encoder_select="mdct"
1317 wmavoice_decoder_select="lsp rdft dct"
1318 wmv1_decoder_select="h263_decoder"
1319 wmv1_encoder_select="h263_encoder"
1320 wmv2_decoder_select="h263_decoder"
1321 wmv2_encoder_select="h263_encoder"
1322 wmv3_decoder_select="vc1_decoder"
1323 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1324 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1325 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1326 zlib_decoder_select="zlib"
1327 zlib_encoder_select="zlib"
1328 zmbv_decoder_select="zlib"
1329 zmbv_encoder_select="zlib"
1330
1331 vaapi_deps="va_va_h"
1332 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1333
1334 # parsers
1335 h264_parser_select="golomb h264dsp"
1336
1337 # bitstream_filters
1338 aac_adtstoasc_bsf_select="aac_parser"
1339
1340 # external libraries
1341 libdirac_decoder_deps="libdirac !libschroedinger"
1342 libdirac_encoder_deps="libdirac"
1343 libfaac_encoder_deps="libfaac"
1344 libfaad_decoder_deps="libfaad"
1345 libfaadbin_extralibs='$ldl'
1346 libgsm_decoder_deps="libgsm"
1347 libgsm_encoder_deps="libgsm"
1348 libgsm_ms_decoder_deps="libgsm"
1349 libgsm_ms_encoder_deps="libgsm"
1350 libmp3lame_encoder_deps="libmp3lame"
1351 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1352 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1353 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1354 libopenjpeg_decoder_deps="libopenjpeg"
1355 libschroedinger_decoder_deps="libschroedinger"
1356 libschroedinger_encoder_deps="libschroedinger"
1357 libspeex_decoder_deps="libspeex"
1358 libtheora_encoder_deps="libtheora"
1359 libvorbis_encoder_deps="libvorbis"
1360 libvpx_decoder_deps="libvpx"
1361 libvpx_encoder_deps="libvpx"
1362 libx264_encoder_deps="libx264"
1363 libxvid_encoder_deps="libxvid"
1364
1365 # demuxers / muxers
1366 ac3_demuxer_deps="ac3_parser"
1367 asf_stream_muxer_select="asf_muxer"
1368 avisynth_demuxer_deps="avisynth"
1369 dirac_demuxer_deps="dirac_parser"
1370 eac3_demuxer_select="ac3_parser"
1371 ipod_muxer_select="mov_muxer"
1372 libnut_demuxer_deps="libnut"
1373 libnut_muxer_deps="libnut"
1374 matroska_audio_muxer_select="matroska_muxer"
1375 matroska_demuxer_suggest="zlib bzlib"
1376 mov_demuxer_suggest="zlib"
1377 mp3_demuxer_deps="mpegaudio_parser"
1378 mp4_muxer_select="mov_muxer"
1379 mpegtsraw_demuxer_select="mpegts_demuxer"
1380 mxf_d10_muxer_select="mxf_muxer"
1381 ogg_demuxer_select="golomb"
1382 psp_muxer_select="mov_muxer"
1383 rtsp_demuxer_deps="sdp_demuxer"
1384 rtsp_muxer_deps="sdp_demuxer"
1385 rtsp_muxer_select="rtp_muxer"
1386 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1387 sdp_demuxer_select="asf_demuxer rm_demuxer"
1388 spdif_muxer_select="aac_parser"
1389 tg2_muxer_select="mov_muxer"
1390 tgp_muxer_select="mov_muxer"
1391 w64_demuxer_deps="wav_demuxer"
1392
1393 # indevs / outdevs
1394 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1395 alsa_indev_extralibs="-lasound"
1396 alsa_outdev_deps="alsa_asoundlib_h"
1397 alsa_outdev_extralibs="-lasound"
1398 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1399 dv1394_indev_deps="dv1394 dv_demuxer"
1400 jack_indev_deps="jack_jack_h"
1401 jack_indev_extralibs="-ljack"
1402 libdc1394_indev_deps="libdc1394"
1403 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1404 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1405 v4l_indev_deps="linux_videodev_h"
1406 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1407 vfwcap_indev_deps="capCreateCaptureWindow"
1408 vfwcap_indev_extralibs="-lavicap32"
1409 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1410 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1411
1412 # protocols
1413 gopher_protocol_deps="network"
1414 http_protocol_deps="network"
1415 http_protocol_select="tcp_protocol"
1416 mmst_protocol_deps="network"
1417 rtmp_protocol_select="tcp_protocol"
1418 rtp_protocol_select="udp_protocol"
1419 tcp_protocol_deps="network"
1420 udp_protocol_deps="network"
1421
1422 # filters
1423 movie_filter_deps="avfilter_lavf"
1424 avfilter_lavf_deps="avformat"
1425
1426 # libraries
1427 avdevice_deps="avcodec avformat"
1428 avformat_deps="avcodec"
1429
1430 # programs
1431 ffmpeg_deps="avcodec avformat swscale"
1432 ffmpeg_select="buffer_filter"
1433 ffplay_deps="avcodec avformat swscale sdl"
1434 ffplay_select="rdft"
1435 ffprobe_deps="avcodec avformat"
1436 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1437 ffserver_extralibs='$ldl'
1438
1439 doc_deps="texi2html"
1440
1441 # default parameters
1442
1443 logfile="config.log"
1444
1445 # installation paths
1446 prefix_default="/usr/local"
1447 bindir_default='${prefix}/bin'
1448 datadir_default='${prefix}/share/ffmpeg'
1449 incdir_default='${prefix}/include'
1450 libdir_default='${prefix}/lib'
1451 mandir_default='${prefix}/share/man'
1452 shlibdir_default="$libdir_default"
1453
1454 # toolchain
1455 ar_default="ar"
1456 cc_default="gcc"
1457 cc_version=\"unknown\"
1458 host_cc_default="gcc"
1459 ln_s="ln -sf"
1460 nm_default="nm"
1461 objformat="elf"
1462 ranlib="ranlib"
1463 strip_default="strip"
1464 yasmexe="yasm"
1465
1466 nm_opts='-g'
1467
1468 # machine
1469 arch_default=$(uname -m)
1470 cpu="generic"
1471
1472 # OS
1473 target_os_default=$(tolower $(uname -s))
1474 host_os=$target_os_default
1475
1476 # configurable options
1477 enable avcodec
1478 enable avdevice
1479 enable avfilter
1480 enable avformat
1481 enable avutil
1482 enable asm
1483 enable debug
1484 enable doc
1485 enable fastdiv
1486 enable ffmpeg
1487 enable ffplay
1488 enable ffprobe
1489 enable ffserver
1490 enable mpegaudio_hp
1491 enable network
1492 enable optimizations
1493 enable protocols
1494 enable static
1495 enable stripping
1496 enable swscale
1497 enable swscale_alpha
1498
1499 # build settings
1500 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1501 FFSERVERLDFLAGS=-Wl,-E
1502 LIBPREF="lib"
1503 LIBSUF=".a"
1504 FULLNAME='$(NAME)$(BUILDSUF)'
1505 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1506 SLIBPREF="lib"
1507 SLIBSUF=".so"
1508 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1509 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1510 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1511 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1512
1513 CC_O='-o $@'
1514
1515 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1516 host_libs='-lm'
1517
1518 target_path='$(CURDIR)'
1519
1520 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1521 # full relative path for objects in subdirectories for non-recursive Make.
1522 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1523 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1524
1525 # find source path
1526 source_path="$(dirname "$0")"
1527 enable source_path_used
1528 if test -f configure; then
1529 source_path="$(pwd)"
1530 disable source_path_used
1531 else
1532 source_path="$(cd "$source_path"; pwd)"
1533 echo "$source_path" | grep -q '[[:blank:]]' &&
1534 die "Out of tree builds are impossible with whitespace in source path."
1535 test -e "$source_path/config.h" &&
1536 die "Out of tree builds are impossible with config.h in source dir."
1537 fi
1538
1539 for v in "$@"; do
1540 r=${v#*=}
1541 l=${v%"$r"}
1542 r=$(sh_quote "$r")
1543 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1544 done
1545
1546 find_things(){
1547 thing=$1
1548 pattern=$2
1549 file=$source_path/$3
1550 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1551 }
1552
1553 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1554 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1555 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1556 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1557 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1558 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1559 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1560 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1561 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1562 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1563 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1564
1565 for n in $COMPONENT_LIST; do
1566 v=$(toupper ${n%s})_LIST
1567 eval enable \$$v
1568 eval ${n}_if_any="\$$v"
1569 done
1570
1571 enable $ARCH_EXT_LIST
1572
1573 die_unknown(){
1574 echo "Unknown option \"$1\"."
1575 echo "See $0 --help for available options."
1576 exit 1
1577 }
1578
1579 show_list() {
1580 suffix=_$1
1581 shift
1582 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1583 exit 0
1584 }
1585
1586 for opt do
1587 optval="${opt#*=}"
1588 case "$opt" in
1589 --extra-ldflags=*) add_ldflags $optval
1590 ;;
1591 --extra-libs=*) add_extralibs $optval
1592 ;;
1593 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1594 ;;
1595 --enable-debug=*) debuglevel="$optval"
1596 ;;
1597 --disable-everything)
1598 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1599 ;;
1600 --enable-*=*|--disable-*=*)
1601 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1602 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1603 eval list=\$$(toupper $thing)_LIST
1604 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1605 $action $(filter "$name" $list)
1606 ;;
1607 --enable-?*|--disable-?*)
1608 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1609 if is_in $option $COMPONENT_LIST; then
1610 test $action = disable && action=unset
1611 eval $action \$$(toupper ${option%s})_LIST
1612 elif is_in $option $CMDLINE_SELECT; then
1613 $action $option
1614 else
1615 die_unknown $opt
1616 fi
1617 ;;
1618 --list-*)
1619 NAME="${opt#--list-}"
1620 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1621 NAME=${NAME%s}
1622 eval show_list $NAME \$$(toupper $NAME)_LIST
1623 ;;
1624 --help|-h) show_help
1625 ;;
1626 *)
1627 optname="${opt%%=*}"
1628 optname="${optname#--}"
1629 optname=$(echo "$optname" | sed 's/-/_/g')
1630 if is_in $optname $CMDLINE_SET; then
1631 eval $optname='$optval'
1632 elif is_in $optname $CMDLINE_APPEND; then
1633 append $optname "$optval"
1634 else
1635 die_unknown $opt
1636 fi
1637 ;;
1638 esac
1639 done
1640
1641 disabled logging && logfile=/dev/null
1642
1643 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1644 set >> $logfile
1645
1646 test -n "$cross_prefix" && enable cross_compile
1647
1648 if enabled cross_compile; then
1649 test -n "$arch" && test -n "$target_os" ||
1650 die "Must specify target arch and OS when cross-compiling"
1651 fi
1652
1653 set_default arch target_os
1654
1655 ar_default="${cross_prefix}${ar_default}"
1656 cc_default="${cross_prefix}${cc_default}"
1657 nm_default="${cross_prefix}${nm_default}"
1658 ranlib="${cross_prefix}${ranlib}"
1659 strip_default="${cross_prefix}${strip_default}"
1660
1661 sysinclude_default="${sysroot}/usr/include"
1662
1663 set_default cc nm strip sysinclude
1664 enabled cross_compile || host_cc_default=$cc
1665 set_default host_cc
1666
1667 exesuf() {
1668 case $1 in
1669 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1670 esac
1671 }
1672
1673 EXESUF=$(exesuf $target_os)
1674 HOSTEXESUF=$(exesuf $host_os)
1675
1676 # set temporary file name
1677 : ${TMPDIR:=$TEMPDIR}
1678 : ${TMPDIR:=$TMP}
1679 : ${TMPDIR:=/tmp}
1680
1681 if ! check_cmd type mktemp; then
1682 # simple replacement for missing mktemp
1683 # NOT SAFE FOR GENERAL USE
1684 mktemp(){
1685 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1686 }
1687 fi
1688
1689 tmpfile(){
1690 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1691 (set -C; exec > $tmp) 2>/dev/null ||
1692 die "Unable to create temporary file in $TMPDIR."
1693 append TMPFILES $tmp
1694 eval $1=$tmp
1695 }
1696
1697 trap 'rm -f -- $TMPFILES' EXIT
1698 trap exit HUP INT TERM
1699
1700 tmpfile TMPC .c
1701 tmpfile TMPE $EXESUF
1702 tmpfile TMPH .h
1703 tmpfile TMPO .o
1704 tmpfile TMPS .S
1705 tmpfile TMPV .ver
1706 tmpfile TMPSH .sh
1707
1708 unset -f mktemp
1709
1710 # make sure we can execute files in $TMPDIR
1711 cat > $TMPSH 2>> $logfile <<EOF
1712 #! /bin/sh
1713 EOF
1714 chmod +x $TMPSH >> $logfile 2>&1
1715 if ! $TMPSH >> $logfile 2>&1; then
1716 cat <<EOF
1717 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1718 variable to another directory and make sure that it is not mounted noexec.
1719 EOF
1720 die "Sanity test failed."
1721 fi
1722
1723 filter_cflags=echo
1724 filter_cppflags=echo
1725 filter_asflags=echo
1726
1727 if $cc -v 2>&1 | grep -qi ^gcc; then
1728 cc_type=gcc
1729 cc_version=__VERSION__
1730 if ! $cc -dumpversion | grep -q '^2\.'; then
1731 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1732 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1733 fi
1734 speed_cflags='-O3'
1735 size_cflags='-Os'
1736 elif $cc --version 2>/dev/null | grep -q Intel; then
1737 cc_type=icc
1738 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1739 CC_DEPFLAGS='-MMD'
1740 AS_DEPFLAGS='-MMD'
1741 speed_cflags='-O3'
1742 size_cflags='-Os'
1743 noopt_cflags='-O1'
1744 elif $cc -v 2>&1 | grep -q xlc; then
1745 cc_type=xlc
1746 cc_version="AV_STRINGIFY(__IBMC__)"
1747 speed_cflags='-O5'
1748 size_cflags='-O5 -qcompact'
1749 elif $cc -V 2>/dev/null | grep -q Compaq; then
1750 cc_type=ccc
1751 cc_version="AV_STRINGIFY(__DECC_VER)"
1752 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1753 debuglevel=3
1754 add_ldflags -Wl,-z,now # calls to libots crash without this
1755 speed_cflags='-fast'
1756 size_cflags='-O1'
1757 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1758 test -d "$sysroot" || die "No valid sysroot specified."
1759 cc_type=armcc
1760 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1761 armcc_conf="$PWD/armcc.conf"
1762 $cc --arm_linux_configure \
1763 --arm_linux_config_file="$armcc_conf" \
1764 --configure_sysroot="$sysroot" \
1765 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1766 die "Error creating armcc configuration file."
1767 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1768 as_default="${cross_prefix}gcc"
1769 CC_DEPFLAGS='-MMD'
1770 AS_DEPFLAGS='-MMD'
1771 speed_cflags='-O3'
1772 size_cflags='-Os'
1773 elif $cc -version 2>/dev/null | grep -q TMS470; then
1774 cc_type=tms470
1775 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1776 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1777 CC_O='-fr=$(@D)'
1778 as_default="${cross_prefix}gcc"
1779 ld_default="${cross_prefix}gcc"
1780 TMPO=$(basename $TMPC .c).o
1781 append TMPFILES $TMPO
1782 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1783 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1784 AS_DEPFLAGS='-MMD'
1785 speed_cflags='-O3 -mf=5'
1786 size_cflags='-O3 -mf=2'
1787 filter_cflags=tms470_flags
1788 tms470_flags(){
1789 for flag; do
1790 case $flag in
1791 -march=*|-mcpu=*)
1792 case "${flag#*=}" in
1793 armv7-a|cortex-a*) echo -mv=7a8 ;;
1794 armv7-r|cortex-r*) echo -mv=7r4 ;;
1795 armv7-m|cortex-m*) echo -mv=7m3 ;;
1796 armv6*|arm11*) echo -mv=6 ;;
1797 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1798 echo -mv=5e ;;
1799 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1800 esac
1801 ;;
1802 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1803 -mfpu=vfp) echo --float_support=vfpv2 ;;
1804 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1805 -msoft-float) echo --float_support=vfplib ;;
1806 -O[0-3]|-mf=*) echo $flag ;;
1807 -g) echo -g -mn ;;
1808 -pds=*) echo $flag ;;
1809 esac
1810 done
1811 }
1812 elif $cc -v 2>&1 | grep -q clang; then
1813 cc_type=clang
1814 cc_version=__VERSION__
1815 CC_DEPFLAGS='-MMD'
1816 AS_DEPFLAGS='-MMD'
1817 speed_cflags='-O3'
1818 size_cflags='-Os'
1819 elif $cc -V 2>&1 | grep -q Sun; then
1820 cc_type=suncc
1821 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1822 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1823 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1824 speed_cflags='-O5'
1825 size_cflags='-O5 -xspace'
1826 filter_cflags=suncc_flags
1827 suncc_flags(){
1828 for flag; do
1829 case $flag in
1830 -march=*|-mcpu=*)
1831 case "${flag#*=}" in
1832 native) echo -xtarget=native ;;
1833 v9|niagara) echo -xarch=sparc ;;
1834 ultrasparc) echo -xarch=sparcvis ;;
1835 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1836 i586|pentium) echo -xchip=pentium ;;
1837 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1838 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1839 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1840 pentium4*) echo -xtarget=pentium4 ;;
1841 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1842 *-sse3) echo -xarch=sse3 ;;
1843 core2) echo -xarch=ssse3 -xchip=core2 ;;
1844 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1845 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1846 k8|opteron|athlon64|athlon-fx)
1847 echo -xarch=sse2a ;;
1848 athlon*) echo -xarch=pentium_proa ;;
1849 esac
1850 ;;
1851 -std=c99) echo -xc99 ;;
1852 -fomit-frame-pointer) echo -xregs=frameptr ;;
1853 -fPIC) echo -KPIC -xcode=pic32 ;;
1854 -W*,*) echo $flag ;;
1855 -f*-*|-W*) ;;
1856 *) echo $flag ;;
1857 esac
1858 done
1859 }
1860 fi
1861
1862 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1863
1864 : ${as_default:=$cc}
1865 : ${dep_cc_default:=$cc}
1866 : ${ld_default:=$cc}
1867 set_default ar as dep_cc ld
1868
1869 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1870 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1871
1872 add_cflags $extra_cflags
1873 add_asflags $extra_cflags
1874
1875 if test -n "$sysroot"; then
1876 case "$cc_type" in
1877 gcc)
1878 add_cppflags --sysroot="$sysroot"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
1881 tms470)
1882 add_cppflags -I"$sysinclude"
1883 add_ldflags --sysroot="$sysroot"
1884 ;;
1885 clang)
1886 add_cppflags -isysroot "$sysroot"
1887 add_ldflags -isysroot "$sysroot"
1888 ;;
1889 esac
1890 fi
1891
1892 if test "$cpu" = host; then
1893 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1894
1895 case "$cc_type" in
1896 gcc)
1897 check_native(){
1898 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1899 sed -n "/$1=/{
1900 s/.*$1=\\([^ ]*\\).*/\\1/
1901 p
1902 q
1903 }" $TMPE
1904 }
1905 cpu=$(check_native -march || check_native -mcpu)
1906 ;;
1907 esac
1908
1909 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1910 fi
1911
1912 # Deal with common $arch aliases
1913 case "$arch" in
1914 arm*)
1915 arch="arm"
1916 ;;
1917 mips|mipsel|IP*)
1918 arch="mips"
1919 ;;
1920 mips64*)
1921 arch="mips"
1922 subarch="mips64"
1923 ;;
1924 parisc|hppa)
1925 arch="parisc"
1926 ;;
1927 parisc64|hppa64)
1928 arch="parisc"
1929 subarch="parisc64"
1930 ;;
1931 "Power Macintosh"|ppc|powerpc)
1932 arch="ppc"
1933 ;;
1934 ppc64|powerpc64)
1935 arch="ppc"
1936 subarch="ppc64"
1937 ;;
1938 s390|s390x)
1939 arch="s390"
1940 ;;
1941 sh4|sh)
1942 arch="sh4"
1943 ;;
1944 sun4u|sparc64)
1945 arch="sparc"
1946 subarch="sparc64"
1947 ;;
1948 i[3-6]86|i86pc|BePC|x86_64|amd64)
1949 arch="x86"
1950 ;;
1951 esac
1952
1953 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1954 enable $arch
1955
1956 # Add processor-specific flags
1957 if test "$cpu" = generic; then
1958 : do nothing
1959 elif enabled ppc; then
1960
1961 case $(tolower $cpu) in
1962 601|ppc601|powerpc601)
1963 cpuflags="-mcpu=601"
1964 disable altivec
1965 ;;
1966 603*|ppc603*|powerpc603*)
1967 cpuflags="-mcpu=603"
1968 disable altivec
1969 ;;
1970 604*|ppc604*|powerpc604*)
1971 cpuflags="-mcpu=604"
1972 disable altivec
1973 ;;
1974 g3|75*|ppc75*|powerpc75*)
1975 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1976 disable altivec
1977 ;;
1978 g4|745*|ppc745*|powerpc745*)
1979 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1980 ;;
1981 74*|ppc74*|powerpc74*)
1982 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1983 ;;
1984 g5|970|ppc970|powerpc970|power4*)
1985 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1986 ;;
1987 cell)
1988 cpuflags="-mcpu=cell"
1989 enable ldbrx
1990 ;;
1991 e500v2)
1992 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1993 disable altivec
1994 ;;
1995 e500)
1996 cpuflags="-mcpu=8540 -mhard-float"
1997 disable altivec
1998 ;;
1999 esac
2000
2001 elif enabled x86; then
2002
2003 case $cpu in
2004 i[345]86|pentium)
2005 cpuflags="-march=$cpu"
2006 disable mmx
2007 ;;
2008 # targets that do NOT support conditional mov (cmov)
2009 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2010 cpuflags="-march=$cpu"
2011 disable cmov
2012 ;;
2013 # targets that do support conditional mov (cmov)
2014 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2015 cpuflags="-march=$cpu"
2016 enable cmov
2017 enable fast_cmov
2018 ;;
2019 # targets that do support conditional mov but on which it's slow
2020 pentium4|pentium4m|prescott|nocona)
2021 cpuflags="-march=$cpu"
2022 enable cmov
2023 disable fast_cmov
2024 ;;
2025 esac
2026
2027 elif enabled sparc; then
2028
2029 case $cpu in
2030 niagara)
2031 cpuflags="-mcpu=$cpu"
2032 disable vis
2033 ;;
2034 sparc64)
2035 cpuflags="-mcpu=v9"
2036 ;;
2037 esac
2038
2039 elif enabled arm; then
2040
2041 case $cpu in
2042 armv*)
2043 cpuflags="-march=$cpu"
2044 ;;
2045 *)
2046 cpuflags="-mcpu=$cpu"
2047 ;;
2048 esac
2049
2050 elif enabled alpha; then
2051
2052 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2053
2054 elif enabled bfin; then
2055
2056 cpuflags="-mcpu=$cpu"
2057
2058 elif enabled mips; then
2059
2060 cpuflags="-march=$cpu"
2061
2062 elif enabled avr32; then
2063
2064 case $cpu in
2065 ap7[02]0[0-2])
2066 subarch="avr32_ap"
2067 cpuflags="-mpart=$cpu"
2068 ;;
2069 ap)
2070 subarch="avr32_ap"
2071 cpuflags="-march=$cpu"
2072 ;;
2073 uc3[ab]*)
2074 subarch="avr32_uc"
2075 cpuflags="-mcpu=$cpu"
2076 ;;
2077 uc)
2078 subarch="avr32_uc"
2079 cpuflags="-march=$cpu"
2080 ;;
2081 esac
2082
2083 fi
2084
2085 add_cflags $cpuflags
2086 add_asflags $cpuflags
2087
2088 # compiler sanity check
2089 check_exec <<EOF
2090 int main(void){ return 0; }
2091 EOF
2092 if test "$?" != 0; then
2093 echo "$cc is unable to create an executable file."
2094 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2095 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2096 echo "Only do this if you know what cross compiling means."
2097 fi
2098 die "C compiler test failed."
2099 fi
2100
2101 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2102 check_cflags -std=c99
2103 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2104 #include <stdlib.h>
2105 EOF
2106 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2107 #include <stdlib.h>
2108 EOF
2109
2110 check_host_cflags -std=c99
2111
2112 case "$arch" in
2113 alpha|ia64|mips|parisc|sparc)
2114 spic=$shared
2115 ;;
2116 x86)
2117 subarch="x86_32"
2118 check_cc <<EOF && subarch="x86_64"
2119 int test[(int)sizeof(char*) - 7];
2120 EOF
2121 if test "$subarch" = "x86_64"; then
2122 spic=$shared
2123 fi
2124 ;;
2125 esac
2126
2127 enable $subarch
2128 enabled spic && enable pic
2129
2130 # OS specific
2131 case $target_os in
2132 haiku)
2133 prefix_default="/boot/common"
2134 network_extralibs="-lnetwork"
2135 ;;
2136 sunos)
2137 FFSERVERLDFLAGS=""
2138 SHFLAGS='-shared -Wl,-h,$$(@F)'
2139 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2140 network_extralibs="-lsocket -lnsl"
2141 add_cppflags -D__EXTENSIONS__
2142 nm_opts='-P -g'
2143 ;;
2144 netbsd)
2145 oss_indev_extralibs="-lossaudio"
2146 oss_outdev_extralibs="-lossaudio"
2147 add_cppflags -D_XOPEN_SOURCE=600
2148 ;;
2149 openbsd)
2150 enable malloc_aligned
2151 # On OpenBSD 4.5. the compiler does not use PIC unless
2152 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2153 # however the generated executable will not do anything
2154 # (simply quits with exit-code 1, no crash, no output).
2155 # Thus explicitly enable PIC here.
2156 enable pic
2157 SHFLAGS='-shared'
2158 oss_indev_extralibs="-lossaudio"
2159 oss_outdev_extralibs="-lossaudio"
2160 ;;
2161 freebsd|dragonfly)
2162 enable malloc_aligned
2163 ;;
2164 bsd/os)
2165 osextralibs="-lpoll -lgnugetopt"
2166 strip="strip -d"
2167 ;;
2168 darwin)
2169 enable malloc_aligned
2170 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2171 strip="strip -x"
2172 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2173 SLIBSUF=".dylib"
2174 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2175 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2176 FFSERVERLDFLAGS=-Wl,-bind_at_load
2177 objformat="macho"
2178 enabled x86_64 && objformat="macho64"
2179 enabled_any pic shared ||
2180 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2181 ;;
2182 mingw32*)
2183 if test $target_os = "mingw32ce"; then
2184 disable network
2185 else
2186 target_os=mingw32
2187 fi
2188 LIBTARGET=i386
2189 if enabled x86_64; then
2190 enable malloc_aligned
2191 LIBTARGET=x64
2192 elif enabled arm; then
2193 LIBTARGET=arm
2194 fi
2195 shlibdir_default="$bindir_default"
2196 disable ffserver
2197 SLIBPREF=""
2198 SLIBSUF=".dll"
2199 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2200 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2201 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2202 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2203 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2204 install -d "$(LIBDIR)"; \
2205 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2206 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2207 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2208 objformat="win32"
2209 enable dos_paths
2210 check_cflags -fno-common
2211 if ! enabled x86_64; then
2212 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2213 die "ERROR: MinGW runtime version must be >= 3.15."
2214 enabled_any avisynth vfwcap_indev &&
2215 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2216 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2217 fi
2218 ;;
2219 cygwin*)
2220 target_os=cygwin
2221 shlibdir_default="$bindir_default"
2222 SLIBPREF="cyg"
2223 SLIBSUF=".dll"
2224 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2225 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2226 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2227 objformat="win32"
2228 enable dos_paths
2229 check_cflags -fno-common
2230 ;;
2231 *-dos|freedos|opendos)
2232 disable ffplay ffserver
2233 disable $INDEV_LIST $OUTDEV_LIST
2234 network_extralibs="-lsocket"
2235 objformat="coff"
2236 enable dos_paths
2237 ;;
2238 linux)
2239 enable dv1394
2240 ;;
2241 irix*)
2242 target_os=irix
2243 ranlib="echo ignoring ranlib"
2244 ;;
2245 os/2*)
2246 strip="lxlite"
2247 ln_s="cp -f"
2248 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2249 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2250 FFSERVERLDFLAGS=""
2251 LIBSUF="_s.a"
2252 SLIBPREF=""
2253 SLIBSUF=".dll"
2254 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2255 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2256 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2257 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2258 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2259 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2260 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2261 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2262 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2263 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2264 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2265 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2266 enable dos_paths
2267 ;;
2268 gnu/kfreebsd)
2269 ;;
2270 gnu)
2271 ;;
2272 none)
2273 ;;
2274 *)
2275 die "Unknown OS '$target_os'."
2276 ;;
2277 esac
2278
2279 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2280
2281 set_default $PATHS_LIST
2282
2283 add_extralibs $osextralibs
2284
2285 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2286 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2287
2288 # we need to build at least one lib type
2289 if ! enabled_any static shared; then
2290 cat <<EOF
2291 At least one library type must be built.
2292 Specify --enable-static to build the static libraries or --enable-shared to
2293 build the shared libraries as well. To only build the shared libraries specify
2294 --disable-static in addition to --enable-shared.
2295 EOF
2296 exit 1;
2297 fi
2298
2299 disabled static && LIBNAME=""
2300
2301 if enabled_any libfaad libfaadbin ; then
2302 if check_header faad.h; then
2303 check_cc <<EOF
2304 #include <faad.h>
2305 #ifndef FAAD2_VERSION
2306 ok faad1
2307 #endif
2308 int main(void) { return 0; }
2309 EOF
2310 test $? = 0 && enable libfaad2
2311 else
2312 die "FAAD test failed."
2313 fi
2314 fi
2315
2316
2317 die_license_disabled() {
2318 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2319 }
2320
2321 die_license_disabled gpl libfaad2
2322 die_license_disabled gpl libx264
2323 die_license_disabled gpl libxvid
2324 die_license_disabled gpl postproc
2325 die_license_disabled gpl x11grab
2326
2327 die_license_disabled nonfree libfaac
2328
2329 die_license_disabled version3 libopencore_amrnb
2330 die_license_disabled version3 libopencore_amrwb
2331
2332 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2333
2334 check_deps $ARCH_EXT_LIST
2335
2336 disabled optimizations || check_cflags -fomit-frame-pointer
2337
2338 enable_pic() {
2339 enable pic
2340 add_cppflags -DPIC
2341 add_cflags -fPIC
2342 add_asflags -fPIC
2343 }
2344
2345 enabled pic && enable_pic
2346
2347 check_cc <<EOF || die "Symbol mangling check failed."
2348 int ff_extern;
2349 EOF
2350 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2351 extern_prefix=${sym%%ff_extern*}
2352
2353 check_cc <<EOF && enable inline_asm
2354 void foo(void) { __asm__ volatile ("" ::); }
2355 EOF
2356
2357 _restrict=
2358 for restrict_keyword in restrict __restrict__ __restrict; do
2359 check_cc <<EOF && _restrict=$restrict_keyword && break
2360 void foo(char * $restrict_keyword p);
2361 EOF
2362 done
2363
2364 check_cc <<EOF && enable attribute_packed
2365 struct { int x; } __attribute__((packed)) x;
2366 EOF
2367
2368 check_cc <<EOF && enable attribute_may_alias
2369 union { int x; } __attribute__((may_alias)) x;
2370 EOF
2371
2372 check_cc <<EOF || die "endian test failed"
2373 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2374 EOF
2375 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2376
2377 if enabled alpha; then
2378
2379 check_cflags -mieee
2380
2381 elif enabled arm; then
2382
2383 check_cflags -marm
2384
2385 check_ld <<EOF && enable vfp_args
2386 __asm__ (".eabi_attribute 28, 1");
2387 int main(void) { return 0; }
2388 EOF
2389
2390 # We have to check if pld is a nop and disable it.
2391 check_asm pld '"pld [r0]"'
2392
2393 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2394 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2395 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2396 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2397 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2398 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2399
2400 enabled_all armv6t2 shared !pic && enable_pic
2401
2402 elif enabled mips; then
2403
2404 check_asm loongson '"dmult.g $1, $2, $3"'
2405 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2406
2407 elif enabled ppc; then
2408
2409 enable local_aligned_8 local_aligned_16
2410
2411 check_asm dcbzl '"dcbzl 0, 1"'
2412 check_asm ppc4xx '"maclhw r10, r11, r12"'
2413 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2414
2415 # AltiVec flags: The FSF version of GCC differs from the Apple version
2416 if enabled altivec; then
2417 check_cflags -maltivec -mabi=altivec &&
2418 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2419 check_cflags -faltivec
2420
2421 # check if our compiler supports Motorola AltiVec C API
2422 check_cc <<EOF || disable altivec
2423 $inc_altivec_h
2424 int main(void) {
2425 vector signed int v1, v2, v3;
2426 v1 = vec_add(v2,v3);
2427 return 0;
2428 }
2429 EOF
2430
2431 # check if our compiler supports braces for vector declarations
2432 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2433 $inc_altivec_h
2434 int main (void) { (vector int) {1}; return 0; }
2435 EOF
2436 fi
2437
2438 elif enabled sparc; then
2439
2440 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2441 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2442
2443 elif enabled x86; then
2444
2445 enable local_aligned_8 local_aligned_16
2446
2447 # check whether EBP is available on x86
2448 # As 'i' is stored on the stack, this program will crash
2449 # if the base pointer is used to access it because the
2450 # base pointer is cleared in the inline assembly code.
2451 check_exec_crash <<EOF && enable ebp_available
2452 volatile int i=0;
2453 __asm__ volatile (
2454 "xorl %%ebp, %%ebp"
2455 ::: "%ebp");
2456 return i;
2457 EOF
2458
2459 # check whether EBX is available on x86
2460 check_asm ebx_available '""::"b"(0)' &&
2461 check_asm ebx_available '"":::"%ebx"'
2462
2463 # check whether more than 10 operands are supported
2464 check_cc <<EOF && enable ten_operands
2465 int main(void) {
2466 int x=0;
2467 __asm__ volatile(
2468 ""
2469 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2470 );
2471 return 0;
2472 }
2473 EOF
2474
2475 # check whether binutils is new enough to compile SSSE3/MMX2
2476 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2477 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2478
2479 check_asm bswap '"bswap %%eax" ::: "%eax"'
2480
2481 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2482 enabled x86_64 && append YASMFLAGS "-m amd64"
2483 enabled pic && append YASMFLAGS "-DPIC"
2484 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2485 case "$objformat" in
2486 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2487 esac
2488 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2489
2490 case "$cpu" in
2491 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2492 disable fast_clz
2493 ;;
2494 esac
2495
2496 fi
2497
2498 if check_func dlopen; then
2499 ldl=
2500 elif check_func dlopen -ldl; then
2501 ldl=-ldl
2502 fi
2503
2504 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2505 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2506
2507 check_func fork
2508 check_func getaddrinfo $network_extralibs
2509 check_func gethrtime
2510 check_func getrusage
2511 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2512 check_func inet_aton $network_extralibs
2513 check_func isatty
2514 check_func ${malloc_prefix}memalign && enable memalign
2515 check_func mkstemp
2516 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2517 check_func setrlimit
2518 check_func strerror_r
2519 check_func_headers io.h setmode
2520 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2521 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2522 check_func_headers windows.h GetProcessTimes
2523 check_func_headers windows.h VirtualAlloc
2524
2525 check_header conio.h
2526 check_header dlfcn.h
2527 check_header dxva2api.h
2528 check_header malloc.h
2529 check_header poll.h
2530 check_header sys/mman.h
2531 check_header sys/resource.h
2532 check_header sys/select.h
2533 check_header termios.h
2534 check_header vdpau/vdpau.h
2535 check_header vdpau/vdpau_x11.h
2536 check_header X11/extensions/XvMClib.h
2537
2538 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2539
2540 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2541 enabled_any $need_memalign ; then
2542 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2543 fi
2544
2545 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2546 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2547
2548 # check for some common methods of building with pthread support
2549 # do this before the optional library checks as some of them require pthreads
2550 if enabled pthreads; then
2551 if check_func pthread_create; then
2552 :
2553 elif check_func pthread_create -pthread; then
2554 add_cflags -pthread
2555 add_extralibs -pthread
2556 elif check_func pthread_create -pthreads; then
2557 add_cflags -pthreads
2558 add_extralibs -pthreads
2559 elif check_func pthread_create -lpthreadGC2; then
2560 add_extralibs -lpthreadGC2
2561 elif ! check_lib pthread.h pthread_create -lpthread; then
2562 die "ERROR: can't find pthreads library"
2563 fi
2564 fi
2565
2566 for thread in $THREADS_LIST; do
2567 if enabled $thread; then
2568 test -n "$thread_type" &&
2569 die "ERROR: Only one thread type must be selected." ||
2570 thread_type="$thread"
2571 fi
2572 done
2573
2574 check_lib math.h sin -lm
2575 disabled vaapi || check_lib va/va.h vaInitialize -lva
2576
2577 check_mathfunc exp2
2578 check_mathfunc exp2f
2579 check_mathfunc llrint
2580 check_mathfunc llrintf
2581 check_mathfunc log2
2582 check_mathfunc log2f
2583 check_mathfunc lrint
2584 check_mathfunc lrintf
2585 check_mathfunc round
2586 check_mathfunc roundf
2587 check_mathfunc truncf
2588
2589 # these are off by default, so fail if requested and not available
2590 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2591 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2592 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2593 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2594 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2595 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2596 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2597 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2598 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2599 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2600 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2601 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2602 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2603 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2604 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2605 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2606 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2607 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2608 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2609 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2610 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2611 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2612 die "ERROR: libx264 version must be >= 0.98."; }
2613 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2614 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2615
2616 # libdc1394 check
2617 if enabled libdc1394; then
2618 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2619 enable libdc1394_2; } ||
2620 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2621 enable libdc1394_1; } ||
2622 die "ERROR: No version of libdc1394 found "
2623 fi
2624
2625 SDL_CONFIG="${cross_prefix}sdl-config"
2626 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2627 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2628 sdl_libs=$("${SDL_CONFIG}" --libs)
2629 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2630 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2631 enable sdl &&
2632 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2633 fi
2634
2635 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2636
2637 if enabled network; then
2638 check_type "sys/types.h sys/socket.h" socklen_t
2639 check_type netdb.h "struct addrinfo"
2640 check_type netinet/in.h "struct ipv6_mreq"
2641 check_type netinet/in.h "struct sockaddr_in6"
2642 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2643 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2644 # Prefer arpa/inet.h over winsock2
2645 if check_header arpa/inet.h ; then
2646 check_func closesocket
2647 elif check_header winsock2.h ; then
2648 check_func_headers winsock2.h closesocket -lws2 && \
2649 network_extralibs="-lws2" || \
2650 { check_func_headers winsock2.h closesocket -lws2_32 && \
2651 network_extralibs="-lws2_32"; }
2652 check_type ws2tcpip.h socklen_t
2653 check_type ws2tcpip.h "struct addrinfo"
2654 check_type ws2tcpip.h "struct ipv6_mreq"
2655 check_type ws2tcpip.h "struct sockaddr_in6"
2656 check_type ws2tcpip.h "struct sockaddr_storage"
2657 check_struct winsock2.h "struct sockaddr" sa_len
2658 else
2659 disable network
2660 fi
2661 fi
2662
2663 check_header linux/videodev.h
2664 check_header linux/videodev2.h
2665 check_header sys/videoio.h
2666
2667 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2668
2669 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2670 { check_header dev/bktr/ioctl_meteor.h &&
2671 check_header dev/bktr/ioctl_bt848.h; } ||
2672 { check_header machine/ioctl_meteor.h &&
2673 check_header machine/ioctl_bt848.h; } ||
2674 { check_header dev/video/meteor/ioctl_meteor.h &&
2675 check_header dev/video/bktr/ioctl_bt848.h; } ||
2676 check_header dev/ic/bt8xx.h
2677
2678 check_header sys/soundcard.h
2679 check_header soundcard.h
2680
2681 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2682
2683 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2684
2685 enabled x11grab &&
2686 check_header X11/Xlib.h &&
2687 check_header X11/extensions/XShm.h &&
2688 check_header X11/extensions/Xfixes.h &&
2689 check_func XOpenDisplay -lX11 &&
2690 check_func XShmCreateImage -lX11 -lXext &&
2691 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2692
2693 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2694 check_cpp_condition \
2695 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2696 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2697 disable vdpau; }
2698 fi
2699
2700 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2701
2702 # add some useful compiler flags if supported
2703 check_cflags -Wdeclaration-after-statement
2704 check_cflags -Wall
2705 check_cflags -Wno-switch
2706 check_cflags -Wdisabled-optimization
2707 check_cflags -Wpointer-arith
2708 check_cflags -Wredundant-decls
2709 check_cflags -Wno-pointer-sign
2710 check_cflags -Wcast-qual
2711 check_cflags -Wwrite-strings
2712 check_cflags -Wtype-limits
2713 check_cflags -Wundef
2714 check_cflags -Wmissing-prototypes
2715 enabled extra_warnings && check_cflags -Winline
2716
2717 # add some linker flags
2718 check_ldflags -Wl,--warn-common
2719 check_ldflags -Wl,--as-needed
2720 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'
2721 check_ldflags -Wl,-Bsymbolic
2722
2723 echo "X{};" > $TMPV
2724 if test_ldflags -Wl,--version-script,$TMPV; then
2725 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2726 check_cc <<EOF && enable symver_asm_label
2727 void ff_foo(void) __asm__ ("av_foo@VERSION");
2728 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2729 EOF
2730 check_cc <<EOF && enable symver_gnu_asm
2731 __asm__(".symver ff_foo,av_foo@VERSION");
2732 void ff_foo(void) {}
2733 EOF
2734 fi
2735
2736 if enabled small; then
2737 add_cflags $size_cflags
2738 optimizations="small"
2739 elif enabled optimizations; then
2740 add_cflags $speed_cflags
2741 else
2742 add_cflags $noopt_cflags
2743 fi
2744 check_cflags -fno-math-errno
2745 check_cflags -fno-signed-zeros
2746
2747 if enabled icc; then
2748 # Just warnings, no remarks
2749 check_cflags -w1
2750 # -wd: Disable following warnings
2751 # 144, 167, 556: -Wno-pointer-sign
2752 # 10006: ignoring unknown option -fno-signed-zeros
2753 # 10156: ignoring option '-W'; no argument required
2754 check_cflags -wd144,167,556,10006,10156
2755 # 11030: Warning unknown option --as-needed
2756 # 10156: ignoring option '-export'; no argument required
2757 check_ldflags -wd10156,11030
2758 # Allow to compile with optimizations
2759 check_ldflags -march=$cpu
2760 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2761 enable ebp_available
2762 elif enabled ccc; then
2763 # disable some annoying warnings
2764 add_cflags -msg_disable cvtu32to64
2765 add_cflags -msg_disable embedcomment
2766 add_cflags -msg_disable needconstext
2767 add_cflags -msg_disable nomainieee
2768 add_cflags -msg_disable ptrmismatch1
2769 add_cflags -msg_disable unreachcode
2770 elif enabled gcc; then
2771 check_cflags -fno-tree-vectorize
2772 check_cflags -Werror=implicit
2773 check_cflags -Werror=missing-prototypes
2774 elif enabled clang; then
2775 check_cflags -Qunused-arguments
2776 elif enabled armcc; then
2777 # 2523: use of inline assembler is deprecated
2778 add_cflags -Wrvct,--diag_suppress=2523
2779 add_cflags -Wrvct,--diag_suppress=1207
2780 elif enabled tms470; then
2781 add_cflags -pds=824 -pds=837
2782 fi
2783
2784 if enabled gprof; then
2785 add_cflags -p
2786 add_ldflags -p
2787 fi
2788
2789 enabled_any $THREADS_LIST && enable threads
2790
2791 check_deps $CONFIG_LIST \
2792 $CONFIG_EXTRA \
2793 $HAVE_LIST \
2794 $DECODER_LIST \
2795 $ENCODER_LIST \
2796 $HWACCEL_LIST \
2797 $PARSER_LIST \
2798 $BSF_LIST \
2799 $DEMUXER_LIST \
2800 $MUXER_LIST \
2801 $FILTER_LIST \
2802 $INDEV_LIST \
2803 $OUTDEV_LIST \
2804 $PROTOCOL_LIST \
2805
2806 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2807
2808 echo "install prefix $prefix"
2809 echo "source path $source_path"
2810 echo "C compiler $cc"
2811 echo "ARCH $arch ($cpu)"
2812 if test "$build_suffix" != ""; then
2813 echo "build suffix $build_suffix"
2814 fi
2815 if test "$extra_version" != ""; then
2816 echo "version string suffix $extra_version"
2817 fi
2818 echo "big-endian ${bigendian-no}"
2819 echo "runtime cpu detection ${runtime_cpudetect-no}"
2820 if enabled x86; then
2821 echo "yasm ${yasm-no}"
2822 echo "MMX enabled ${mmx-no}"
2823 echo "MMX2 enabled ${mmx2-no}"
2824 echo "3DNow! enabled ${amd3dnow-no}"
2825 echo "3DNow! extended enabled ${amd3dnowext-no}"
2826 echo "SSE enabled ${sse-no}"
2827 echo "SSSE3 enabled ${ssse3-no}"
2828 echo "CMOV enabled ${cmov-no}"
2829 echo "CMOV is fast ${fast_cmov-no}"
2830 echo "EBX available ${ebx_available-no}"
2831 echo "EBP available ${ebp_available-no}"
2832 echo "10 operands supported ${ten_operands-no}"
2833 fi
2834 if enabled arm; then
2835 echo "ARMv5TE enabled ${armv5te-no}"
2836 echo "ARMv6 enabled ${armv6-no}"
2837 echo "ARMv6T2 enabled ${armv6t2-no}"
2838 echo "ARM VFP enabled ${armvfp-no}"
2839 echo "IWMMXT enabled ${iwmmxt-no}"
2840 echo "NEON enabled ${neon-no}"
2841 fi
2842 if enabled mips; then
2843 echo "MMI enabled ${mmi-no}"
2844 fi
2845 if enabled ppc; then
2846 echo "AltiVec enabled ${altivec-no}"
2847 echo "PPC 4xx optimizations ${ppc4xx-no}"
2848 echo "dcbzl available ${dcbzl-no}"
2849 echo "performance report ${powerpc_perf-no}"
2850 fi
2851 if enabled sparc; then
2852 echo "VIS enabled ${vis-no}"
2853 fi
2854 echo "gprof enabled ${gprof-no}"
2855 echo "debug symbols ${debug-no}"
2856 echo "strip symbols ${stripping-no}"
2857 echo "optimizations ${optimizations-no}"
2858 echo "static ${static-no}"
2859 echo "shared ${shared-no}"
2860 echo "postprocessing support ${postproc-no}"
2861 echo "new filter support ${avfilter-no}"
2862 echo "filters using lavformat ${avfilter_lavf-no}"
2863 echo "network support ${network-no}"
2864 echo "threading support ${thread_type-no}"
2865 echo "SDL support ${sdl-no}"
2866 echo "Sun medialib support ${mlib-no}"
2867 echo "AVISynth enabled ${avisynth-no}"
2868 echo "libdc1394 support ${libdc1394-no}"
2869 echo "libdirac enabled ${libdirac-no}"
2870 echo "libfaac enabled ${libfaac-no}"
2871 echo "libfaad enabled ${libfaad-no}"
2872 echo "libfaad dlopened ${libfaadbin-no}"
2873 echo "libgsm enabled ${libgsm-no}"
2874 echo "libmp3lame enabled ${libmp3lame-no}"
2875 echo "libnut enabled ${libnut-no}"
2876 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2877 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2878 echo "libopenjpeg enabled ${libopenjpeg-no}"
2879 echo "librtmp enabled ${librtmp-no}"
2880 echo "libschroedinger enabled ${libschroedinger-no}"
2881 echo "libspeex enabled ${libspeex-no}"
2882 echo "libtheora enabled ${libtheora-no}"
2883 echo "libvorbis enabled ${libvorbis-no}"
2884 echo "libvpx enabled ${libvpx-no}"
2885 echo "libx264 enabled ${libx264-no}"
2886 echo "libxvid enabled ${libxvid-no}"
2887 echo "zlib enabled ${zlib-no}"
2888 echo "bzlib enabled ${bzlib-no}"
2889 echo
2890
2891 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2892 echo "Enabled ${type}s:"
2893 eval list=\$$(toupper $type)_LIST
2894 for part in $list; do
2895 enabled $part && echo ${part%_*}
2896 done | sort | pr -3 -t
2897 echo
2898 done
2899
2900 license="LGPL version 2.1 or later"
2901 if enabled nonfree; then
2902 license="nonfree and unredistributable"
2903 elif enabled gplv3; then
2904 license="GPL version 3 or later"
2905 elif enabled lgplv3; then
2906 license="LGPL version 3 or later"
2907 elif enabled gpl; then
2908 license="GPL version 2 or later"
2909 fi
2910
2911 echo "License: $license"
2912
2913 echo "Creating config.mak and config.h..."
2914
2915 # build tree in object directory if source path is different from current one
2916 if enabled source_path_used; then
2917 DIRS="
2918 doc
2919 libavcodec
2920 libavcodec/$arch
2921 libavdevice
2922 libavfilter
2923 libavformat
2924 libavutil
2925 libavutil/$arch
2926 libpostproc
2927 libswscale
2928 libswscale/$arch
2929 tests
2930 tools
2931 "
2932 FILES="
2933 Makefile
2934 common.mak
2935 subdir.mak
2936 doc/texi2pod.pl
2937 libavcodec/Makefile
2938 libavcodec/${arch}/Makefile
2939 libavdevice/Makefile
2940 libavfilter/Makefile
2941 libavformat/Makefile
2942 libavutil/Makefile
2943 libpostproc/Makefile
2944 libswscale/Makefile
2945 "
2946 map 'mkdir -p $v' $DIRS;
2947 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2948 fi
2949
2950 enabled stripping || strip="echo skipping strip"
2951
2952 cat > config.mak <<EOF
2953 # Automatically generated by configure - do not modify!
2954 ifndef FFMPEG_CONFIG_MAK
2955 FFMPEG_CONFIG_MAK=1
2956 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2957 prefix=$prefix
2958 LIBDIR=\$(DESTDIR)$libdir
2959 SHLIBDIR=\$(DESTDIR)$shlibdir
2960 INCDIR=\$(DESTDIR)$incdir
2961 BINDIR=\$(DESTDIR)$bindir
2962 DATADIR=\$(DESTDIR)$datadir
2963 MANDIR=\$(DESTDIR)$mandir
2964 SRC_PATH="$source_path"
2965 SRC_PATH_BARE=$source_path
2966 BUILD_ROOT="$PWD"
2967 ARCH=$arch
2968 CC=$cc
2969 AS=$as
2970 LD=$ld
2971 DEPCC=$dep_cc
2972 YASM=$yasmexe
2973 YASMDEP=$yasmexe
2974 AR=$ar
2975 RANLIB=$ranlib
2976 CP=cp -p
2977 LN_S=$ln_s
2978 STRIP=$strip
2979 CPPFLAGS=$CPPFLAGS
2980 CFLAGS=$CFLAGS
2981 ASFLAGS=$ASFLAGS
2982 CC_O=$CC_O
2983 LDFLAGS=$LDFLAGS
2984 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2985 SHFLAGS=$SHFLAGS
2986 YASMFLAGS=$YASMFLAGS
2987 BUILDSUF=$build_suffix
2988 FULLNAME=$FULLNAME
2989 LIBPREF=$LIBPREF
2990 LIBSUF=$LIBSUF
2991 LIBNAME=$LIBNAME
2992 SLIBPREF=$SLIBPREF
2993 SLIBSUF=$SLIBSUF
2994 EXESUF=$EXESUF
2995 EXTRA_VERSION=$extra_version
2996 DEPFLAGS=$DEPFLAGS
2997 CCDEP=$CCDEP
2998 ASDEP=$ASDEP
2999 CC_DEPFLAGS=$CC_DEPFLAGS
3000 AS_DEPFLAGS=$AS_DEPFLAGS
3001 HOSTCC=$host_cc
3002 HOSTCFLAGS=$host_cflags
3003 HOSTEXESUF=$HOSTEXESUF
3004 HOSTLDFLAGS=$host_ldflags
3005 HOSTLIBS=$host_libs
3006 TARGET_EXEC=$target_exec
3007 TARGET_PATH=$target_path
3008 SDL_LIBS=$sdl_libs
3009 SDL_CFLAGS=$sdl_cflags
3010 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3011 EXTRALIBS=$extralibs
3012 INSTALL=install
3013 LIBTARGET=${LIBTARGET}
3014 SLIBNAME=${SLIBNAME}
3015 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3016 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3017 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3018 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3019 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3020 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3021 SAMPLES=$samples
3022 EOF
3023
3024 get_version(){
3025 name=$1
3026 file=$source_path/$2
3027 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3028 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3029 lcname=$(tolower $name)
3030 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3031 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3032 }
3033
3034 get_version LIBSWSCALE libswscale/swscale.h
3035 get_version LIBPOSTPROC libpostproc/postprocess.h
3036 get_version LIBAVCODEC libavcodec/avcodec.h
3037 get_version LIBAVDEVICE libavdevice/avdevice.h
3038 get_version LIBAVFORMAT libavformat/avformat.h
3039 get_version LIBAVUTIL libavutil/avutil.h
3040 get_version LIBAVFILTER libavfilter/avfilter.h
3041
3042 cat > $TMPH <<EOF
3043 /* Automatically generated by configure - do not modify! */
3044 #ifndef FFMPEG_CONFIG_H
3045 #define FFMPEG_CONFIG_H
3046 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3047 #define FFMPEG_LICENSE "$(c_escape $license)"
3048 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3049 #define CC_TYPE "$cc_type"
3050 #define CC_VERSION $cc_version
3051 #define restrict $_restrict
3052 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3053 #define EXTERN_PREFIX "${extern_prefix}"
3054 #define EXTERN_ASM ${extern_prefix}
3055 EOF
3056
3057 test -n "$malloc_prefix" &&
3058 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3059
3060 if enabled small || disabled optimizations; then
3061 echo "#undef av_always_inline" >> $TMPH
3062 echo "#define av_always_inline" >> $TMPH
3063 fi
3064
3065 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3066 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3067 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3068 $CONFIG_EXTRA \
3069 $DECODER_LIST \
3070 $ENCODER_LIST \
3071 $HWACCEL_LIST \
3072 $PARSER_LIST \
3073 $BSF_LIST \
3074 $DEMUXER_LIST \
3075 $MUXER_LIST \
3076 $FILTER_LIST \
3077 $PROTOCOL_LIST \
3078 $INDEV_LIST \
3079 $OUTDEV_LIST \
3080
3081 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3082 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3083
3084 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3085 cp_if_changed $TMPH config.h
3086
3087 cat > $TMPH <<EOF
3088 /* Generated by ffconf */
3089 #ifndef AVUTIL_AVCONFIG_H
3090 #define AVUTIL_AVCONFIG_H
3091 EOF
3092
3093 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3094
3095 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3096
3097 cp_if_changed $TMPH libavutil/avconfig.h
3098
3099 # build pkg-config files
3100
3101 pkgconfig_generate(){
3102 name=$1
3103 shortname=${name#lib}${build_suffix}
3104 comment=$2
3105 version=$3
3106 libs=$4
3107 requires=$5
3108 cat <<EOF > $name/$name.pc
3109 prefix=$prefix
3110 exec_prefix=\${prefix}
3111 libdir=$libdir
3112 includedir=$incdir
3113
3114 Name: $name
3115 Description: $comment
3116 Version: $version
3117 Requires: $(enabled shared || echo $requires)
3118 Requires.private: $(enabled shared && echo $requires)
3119 Conflicts:
3120 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3121 Libs.private: $(enabled shared && echo $libs)
3122 Cflags: -I\${includedir}
3123 EOF
3124 cat <<EOF > $name/$name-uninstalled.pc
3125 prefix=
3126 exec_prefix=
3127 libdir=\${pcfiledir}
3128 includedir=${source_path}
3129
3130 Name: $name
3131 Description: $comment
3132 Version: $version
3133 Requires: $requires
3134 Conflicts:
3135 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3136 Cflags: -I\${includedir}
3137 EOF
3138 }
3139
3140 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3141 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3142 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3143 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3144 enabled avfilter &&
3145 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3146 enabled postproc &&
3147 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3148 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"