Simplify some output messages in the v4l2 input device
[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.err]
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 --enable-avfilter 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 --enable-beos-netserver enable BeOS netserver
119 --disable-everything disable all components listed below
120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-librtmp enable RTMP[E] support via librtmp [no]
181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [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 --as=AS use assembler AS [$as_default]
203 --cc=CC use C compiler CC [$cc_default]
204 --ld=LD use linker LD
205 --host-cc=HOSTCC use host C compiler HOSTCC
206 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
207 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
208 --host-libs=HLIBS use libs HLIBS when linking for host
209 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
210 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211 --extra-libs=ELIBS add ELIBS [$ELIBS]
212 --extra-version=STRING version string suffix []
213 --build-suffix=SUFFIX library name suffix []
214 --arch=ARCH select architecture [$arch]
215 --cpu=CPU select the minimum required CPU (affects
216 instruction selection, may crash on older CPUs)
217 --enable-powerpc-perf enable performance report on PPC
218 (requires enabling PMC)
219 --disable-asm disable all assembler optimizations
220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
237 --malloc-prefix=PFX prefix malloc and related names with PFX
238 --enable-sram allow use of on-chip SRAM
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --enable-gprof enable profiling with gprof [$gprof]
244 --disable-optimizations disable compiler optimizations
245 --enable-extra-warnings enable more compiler warnings
246 --disable-stripping disable stripping of executables and shared libraries
247 --samples=PATH location of test samples for FATE
248
249 NOTE: Object files are built at the place where configure is launched.
250 EOF
251 exit 0
252 }
253
254 log(){
255 echo "$@" >> $logfile
256 }
257
258 log_file(){
259 log BEGIN $1
260 pr -n -t $1 >> $logfile
261 log END $1
262 }
263
264 echolog(){
265 log "$@"
266 echo "$@"
267 }
268
269 die(){
270 echolog "$@"
271 cat <<EOF
272
273 If you think configure made a mistake, make sure you are using the latest
274 version from SVN. If the latest version fails, report the problem to the
275 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
276 EOF
277 if disabled logging; then
278 cat <<EOF
279 Rerun configure with logging enabled (do not use --disable-logging), and
280 include the log this produces with your report.
281 EOF
282 else
283 cat <<EOF
284 Include the log file "$logfile" produced by configure as this will help
285 solving the problem.
286 EOF
287 fi
288 exit 1
289 }
290
291 # Avoid locale weirdness, besides we really just want to translate ASCII.
292 toupper(){
293 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
294 }
295
296 tolower(){
297 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
298 }
299
300 c_escape(){
301 echo "$*" | sed 's/["\\]/\\\0/g'
302 }
303
304 sh_quote(){
305 v=$(echo "$1" | sed "s/'/'\\\\''/g")
306 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
307 echo "$v"
308 }
309
310 filter(){
311 pat=$1
312 shift
313 for v; do
314 eval "case $v in $pat) echo $v ;; esac"
315 done
316 }
317
318 map(){
319 m=$1
320 shift
321 for v; do eval $m; done
322 }
323
324 set_all(){
325 value=$1
326 shift
327 for var in $*; do
328 eval $var=$value
329 done
330 }
331
332 set_weak(){
333 value=$1
334 shift
335 for var; do
336 eval : \${$var:=$value}
337 done
338 }
339
340 pushvar(){
341 for var in $*; do
342 eval level=\${${var}_level:=0}
343 eval ${var}_${level}="\$$var"
344 eval ${var}_level=$(($level+1))
345 done
346 }
347
348 popvar(){
349 for var in $*; do
350 eval level=\${${var}_level:-0}
351 test $level = 0 && continue
352 eval level=$(($level-1))
353 eval $var="\${${var}_${level}}"
354 eval ${var}_level=$level
355 eval unset ${var}_${level}
356 done
357 }
358
359 enable(){
360 set_all yes $*
361 }
362
363 disable(){
364 set_all no $*
365 }
366
367 enable_weak(){
368 set_weak yes $*
369 }
370
371 disable_weak(){
372 set_weak no $*
373 }
374
375 enable_safe(){
376 for var; do
377 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
378 done
379 }
380
381 disable_safe(){
382 for var; do
383 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
385 }
386
387 do_enable_deep(){
388 for var; do
389 enabled $var && continue
390 eval sel="\$${var}_select"
391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
393 enable_deep $sel
394 popvar sgs
395 enable_deep_weak $sgs
396 popvar var
397 done
398 }
399
400 enable_deep(){
401 do_enable_deep $*
402 enable $*
403 }
404
405 enable_deep_weak(){
406 do_enable_deep $*
407 enable_weak $*
408 }
409
410 enabled(){
411 test "${1#!}" = "$1" && op== || op=!=
412 eval test "x\$${1#!}" $op "xyes"
413 }
414
415 disabled(){
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xno"
418 }
419
420 enabled_all(){
421 for opt; do
422 enabled $opt || return 1
423 done
424 }
425
426 disabled_all(){
427 for opt; do
428 disabled $opt || return 1
429 done
430 }
431
432 enabled_any(){
433 for opt; do
434 enabled $opt && return 0
435 done
436 }
437
438 disabled_any(){
439 for opt; do
440 disabled $opt && return 0
441 done
442 return 1
443 }
444
445 set_default(){
446 for opt; do
447 eval : \${$opt:=\$${opt}_default}
448 done
449 }
450
451 is_in(){
452 value=$1
453 shift
454 for var in $*; do
455 [ $var = $value ] && return 0
456 done
457 return 1
458 }
459
460 check_deps(){
461 for cfg; do
462 cfg="${cfg#!}"
463 enabled ${cfg}_checking && die "Circular dependency for $cfg."
464 disabled ${cfg}_checking && continue
465 enable ${cfg}_checking
466
467 eval dep_all="\$${cfg}_deps"
468 eval dep_any="\$${cfg}_deps_any"
469 eval dep_sel="\$${cfg}_select"
470 eval dep_sgs="\$${cfg}_suggest"
471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
473
474 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477
478 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
479 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
480 enabled_all $dep_all || disable $cfg
481 enabled_any $dep_any || disable $cfg
482 disabled_any $dep_sel && disable $cfg
483
484 if enabled $cfg; then
485 eval dep_extralibs="\$${cfg}_extralibs"
486 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
487 enable_deep $dep_sel
488 enable_deep_weak $dep_sgs
489 fi
490
491 disable ${cfg}_checking
492 done
493 }
494
495 print_config(){
496 pfx=$1
497 header=$2
498 makefile=$3
499 shift 3
500 for cfg; do
501 ucname="$(toupper $cfg)"
502 if enabled $cfg; then
503 echo "#define ${pfx}${ucname} 1" >> $header
504 echo "${pfx}${ucname}=yes" >> $makefile
505 else
506 echo "#define ${pfx}${ucname} 0" >> $header
507 echo "!${pfx}${ucname}=yes" >> $makefile
508 fi
509 done
510 }
511
512 flags_saved(){
513 (: ${SAVE_CFLAGS?}) 2> /dev/null
514 }
515
516 save_flags(){
517 flags_saved && return
518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521 }
522
523 restore_flags(){
524 flags_saved || return
525 CFLAGS="$SAVE_CFLAGS"
526 LDFLAGS="$SAVE_LDFLAGS"
527 extralibs="$SAVE_extralibs"
528 unset SAVE_CFLAGS
529 unset SAVE_LDFLAGS
530 unset SAVE_extralibs
531 }
532
533 temp_cflags(){
534 save_flags
535 CFLAGS="$CFLAGS $*"
536 }
537
538 temp_ldflags(){
539 save_flags
540 LDFLAGS="$LDFLAGS $*"
541 }
542
543 temp_extralibs(){
544 save_flags
545 extralibs="$extralibs $*"
546 }
547
548 append(){
549 var=$1
550 shift
551 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
552 eval "$var=\"\$$var $*\""
553 }
554
555 add_cppflags(){
556 append CPPFLAGS $($filter_cppflags "$@")
557 }
558
559 add_cflags(){
560 append CFLAGS $($filter_cflags "$@")
561 }
562
563 add_asflags(){
564 append ASFLAGS $($filter_asflags "$@")
565 }
566
567 add_ldflags(){
568 append LDFLAGS "$@"
569 }
570
571 add_extralibs(){
572 append extralibs "$@"
573 }
574
575 check_cmd(){
576 log "$@"
577 "$@" >> $logfile 2>&1
578 }
579
580 check_cc(){
581 log check_cc "$@"
582 cat > $TMPC
583 log_file $TMPC
584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
585 }
586
587 check_cpp(){
588 log check_cpp "$@"
589 cat > $TMPC
590 log_file $TMPC
591 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
592 }
593
594 check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
599 }
600
601 check_asm(){
602 log check_asm "$@"
603 name="$1"
604 code="$2"
605 shift 2
606 disable $name
607 check_as "$@" <<EOF && enable $name
608 void foo(void){ __asm__ volatile($code); }
609 EOF
610 }
611
612 check_yasm(){
613 log check_yasm "$@"
614 echo "$1" > $TMPS
615 log_file $TMPS
616 shift 1
617 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
618 }
619
620 check_ld(){
621 log check_ld "$@"
622 flags=''
623 libs=''
624 for f; do
625 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
626 done
627 check_cc $($filter_cflags $flags) || return
628 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
629 }
630
631 check_cppflags(){
632 log check_cppflags "$@"
633 set -- $($filter_cppflags "$@")
634 check_cc "$@" <<EOF && append CPPFLAGS "$@"
635 int x;
636 EOF
637 }
638
639 check_cflags(){
640 log check_cflags "$@"
641 set -- $($filter_cflags "$@")
642 check_cc "$@" <<EOF && append CFLAGS "$@"
643 int x;
644 EOF
645 }
646
647 test_ldflags(){
648 log test_ldflags "$@"
649 check_ld "$@" <<EOF
650 int main(void){ return 0; }
651 EOF
652 }
653
654 check_ldflags(){
655 log check_ldflags "$@"
656 test_ldflags "$@" && add_ldflags "$@"
657 }
658
659 check_header(){
660 log check_header "$@"
661 header=$1
662 shift
663 disable_safe $header
664 check_cpp "$@" <<EOF && enable_safe $header
665 #include <$header>
666 int x;
667 EOF
668 }
669
670 check_func(){
671 log check_func "$@"
672 func=$1
673 shift
674 disable $func
675 check_ld "$@" <<EOF && enable $func
676 extern int $func();
677 int main(void){ $func(); }
678 EOF
679 }
680
681 check_mathfunc(){
682 log check_mathfunc "$@"
683 func=$1
684 shift
685 disable $func
686 check_ld "$@" <<EOF && enable $func
687 #include <math.h>
688 float foo(float f) { return $func(f); }
689 int main(void){ return 0; }
690 EOF
691 }
692
693 check_func_headers(){
694 log check_func_headers "$@"
695 headers=$1
696 func=$2
697 shift 2
698 disable $func
699 incs=""
700 for hdr in $headers; do
701 incs="$incs
702 #include <$hdr>"
703 done
704 check_ld "$@" <<EOF && enable $func && enable_safe $headers
705 $incs
706 int main(int argc, char **argv){
707 return (long) $func;
708 }
709 EOF
710 }
711
712 check_cpp_condition(){
713 log check_cpp_condition "$@"
714 header=$1
715 condition=$2
716 shift 2
717 check_cpp $($filter_cppflags "$@") <<EOF
718 #include <$header>
719 #if !($condition)
720 #error "unsatisfied condition: $condition"
721 #endif
722 EOF
723 }
724
725 check_lib(){
726 log check_lib "$@"
727 header="$1"
728 func="$2"
729 shift 2
730 temp_extralibs "$@"
731 check_header $header && check_func $func && add_extralibs "$@"
732 err=$?
733 restore_flags
734 return $err
735 }
736
737 check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
743 }
744
745 check_exec(){
746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
747 }
748
749 check_exec_crash(){
750 code=$(cat)
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
758 (check_exec "$@") >> $logfile 2>&1 <<EOF
759 #include <signal.h>
760 static void sighandler(int sig){
761 raise(SIGTERM);
762 }
763 int main(void){
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767 #ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769 #endif
770 { $code }
771 }
772 EOF
773 }
774
775 check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
780 disable_safe "$type"
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784 #include <$hdr>"
785 done
786 check_cc "$@" <<EOF && enable_safe "$type"
787 $incs
788 $type v;
789 EOF
790 }
791
792 check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802 #include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805 $incs
806 const void *p = &(($struct *)0)->$member;
807 EOF
808 }
809
810 require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
816 }
817
818 require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824 }
825
826 check_foo_config(){
827 cfg=$1
828 pkg=$2
829 header=$3
830 func=$4
831 shift 4
832 disable $cfg
833 check_cmd ${pkg}-config --version
834 err=$?
835 if test "$err" = 0; then
836 temp_cflags $(${pkg}-config --cflags)
837 temp_extralibs $(${pkg}-config --libs)
838 check_lib "$@" $header $func && enable $cfg
839 fi
840 return $err
841 }
842
843 check_host_cc(){
844 log check_host_cc "$@"
845 cat > $TMPC
846 log_file $TMPC
847 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
848 }
849
850 check_host_cflags(){
851 log check_host_cflags "$@"
852 check_host_cc "$@" <<EOF && append host_cflags "$@"
853 int x;
854 EOF
855 }
856
857 apply(){
858 file=$1
859 shift
860 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
861 }
862
863 cp_if_changed(){
864 cmp -s "$1" "$2" &&
865 echo "$2 is unchanged" ||
866 cp -f "$1" "$2"
867 }
868
869 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
870 # system-dependent things.
871
872 COMPONENT_LIST="
873 bsfs
874 decoders
875 demuxers
876 encoders
877 filters
878 hwaccels
879 indevs
880 muxers
881 outdevs
882 parsers
883 protocols
884 "
885
886 CONFIG_LIST="
887 $COMPONENT_LIST
888 aandct
889 avcodec
890 avdevice
891 avfilter
892 avfilter_lavf
893 avformat
894 avisynth
895 beos_netserver
896 bzlib
897 dct
898 doc
899 dwt
900 dxva2
901 fastdiv
902 ffmpeg
903 ffplay
904 ffprobe
905 ffserver
906 fft
907 golomb
908 gpl
909 gprof
910 gray
911 h264dsp
912 hardcoded_tables
913 libdc1394
914 libdirac
915 libfaac
916 libfaad
917 libfaadbin
918 libgsm
919 libmp3lame
920 libnut
921 libopencore_amrnb
922 libopencore_amrwb
923 libopenjpeg
924 librtmp
925 libschroedinger
926 libspeex
927 libtheora
928 libvorbis
929 libx264
930 libxvid
931 lpc
932 lsp
933 mdct
934 memalign_hack
935 mlib
936 mpegaudio_hp
937 network
938 nonfree
939 pic
940 postproc
941 powerpc_perf
942 rdft
943 runtime_cpudetect
944 shared
945 small
946 sram
947 static
948 swscale
949 swscale_alpha
950 vaapi
951 vdpau
952 version3
953 x11grab
954 zlib
955 "
956
957 THREADS_LIST='
958 beosthreads
959 os2threads
960 pthreads
961 w32threads
962 '
963
964 ARCH_LIST='
965 alpha
966 arm
967 avr32
968 avr32_ap
969 avr32_uc
970 bfin
971 ia64
972 m68k
973 mips
974 mips64
975 parisc
976 ppc
977 ppc64
978 s390
979 sh4
980 sparc
981 sparc64
982 tomi
983 x86
984 x86_32
985 x86_64
986 '
987
988 ARCH_EXT_LIST='
989 altivec
990 amd3dnow
991 amd3dnowext
992 armv5te
993 armv6
994 armv6t2
995 armvfp
996 iwmmxt
997 mmi
998 mmx
999 mmx2
1000 neon
1001 ppc4xx
1002 sse
1003 ssse3
1004 vis
1005 '
1006
1007 HAVE_LIST_PUB='
1008 bigendian
1009 '
1010
1011 HAVE_LIST="
1012 $ARCH_EXT_LIST
1013 $HAVE_LIST_PUB
1014 $THREADS_LIST
1015 alsa_asoundlib_h
1016 altivec_h
1017 arpa_inet_h
1018 attribute_may_alias
1019 attribute_packed
1020 bswap
1021 closesocket
1022 cmov
1023 conio_h
1024 dcbzl
1025 dev_bktr_ioctl_bt848_h
1026 dev_bktr_ioctl_meteor_h
1027 dev_ic_bt8xx_h
1028 dev_video_meteor_ioctl_meteor_h
1029 dev_video_bktr_ioctl_bt848_h
1030 dlfcn_h
1031 dlopen
1032 dos_paths
1033 ebp_available
1034 ebx_available
1035 exp2
1036 exp2f
1037 fast_64bit
1038 fast_clz
1039 fast_cmov
1040 fast_unaligned
1041 fork
1042 getaddrinfo
1043 gethrtime
1044 GetProcessMemoryInfo
1045 GetProcessTimes
1046 getrusage
1047 struct_rusage_ru_maxrss
1048 inet_aton
1049 inline_asm
1050 isatty
1051 ldbrx
1052 libdc1394_1
1053 libdc1394_2
1054 llrint
1055 llrintf
1056 local_aligned_16
1057 local_aligned_8
1058 log2
1059 log2f
1060 loongson
1061 lrint
1062 lrintf
1063 lzo1x_999_compress
1064 machine_ioctl_bt848_h
1065 machine_ioctl_meteor_h
1066 malloc_h
1067 memalign
1068 mkstemp
1069 pld
1070 posix_memalign
1071 round
1072 roundf
1073 sdl
1074 sdl_video_size
1075 setmode
1076 socklen_t
1077 soundcard_h
1078 poll_h
1079 setrlimit
1080 strerror_r
1081 struct_addrinfo
1082 struct_ipv6_mreq
1083 struct_sockaddr_in6
1084 struct_sockaddr_sa_len
1085 struct_sockaddr_storage
1086 sys_mman_h
1087 sys_resource_h
1088 sys_select_h
1089 sys_soundcard_h
1090 sys_videoio_h
1091 ten_operands
1092 termios_h
1093 threads
1094 truncf
1095 vfp_args
1096 VirtualAlloc
1097 winsock2_h
1098 xform_asm
1099 yasm
1100 "
1101
1102 # options emitted with CONFIG_ prefix but not available on command line
1103 CONFIG_EXTRA="
1104 avutil
1105 gplv3
1106 lgplv3
1107 "
1108
1109 CMDLINE_SELECT="
1110 $ARCH_EXT_LIST
1111 $CONFIG_LIST
1112 $THREADS_LIST
1113 asm
1114 cross_compile
1115 debug
1116 extra_warnings
1117 logging
1118 optimizations
1119 stripping
1120 yasm
1121 "
1122
1123 PATHS_LIST='
1124 bindir
1125 datadir
1126 incdir
1127 libdir
1128 mandir
1129 prefix
1130 shlibdir
1131 '
1132
1133 CMDLINE_SET="
1134 $PATHS_LIST
1135 arch
1136 as
1137 build_suffix
1138 cc
1139 cpu
1140 cross_prefix
1141 dep_cc
1142 extra_version
1143 host_cc
1144 host_cflags
1145 host_ldflags
1146 host_libs
1147 host_os
1148 ld
1149 logfile
1150 malloc_prefix
1151 nm
1152 samples
1153 source_path
1154 strip
1155 sysinclude
1156 sysroot
1157 target_exec
1158 target_os
1159 target_path
1160 "
1161
1162 CMDLINE_APPEND="
1163 extra_cflags
1164 "
1165
1166 # code dependency declarations
1167
1168 # architecture extensions
1169
1170 armv5te_deps="arm"
1171 armv6_deps="arm"
1172 armv6t2_deps="arm"
1173 armvfp_deps="arm"
1174 iwmmxt_deps="arm"
1175 neon_deps="arm"
1176
1177 mmi_deps="mips"
1178
1179 altivec_deps="ppc"
1180 ppc4xx_deps="ppc"
1181
1182 vis_deps="sparc"
1183
1184 x86_64_suggest="cmov fast_cmov"
1185 amd3dnow_deps="mmx"
1186 amd3dnowext_deps="amd3dnow"
1187 mmx_deps="x86"
1188 mmx2_deps="mmx"
1189 sse_deps="mmx"
1190 ssse3_deps="sse"
1191
1192 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1193 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1194 fast_unaligned_if_any="armv6 ppc x86"
1195
1196 need_memalign="altivec neon sse"
1197 inline_asm_deps="!tms470"
1198
1199 # subsystems
1200 mdct_select="fft"
1201 rdft_select="fft"
1202
1203 # decoders / encoders / hardware accelerators
1204 aac_decoder_select="mdct rdft aac_parser"
1205 aac_encoder_select="mdct"
1206 ac3_decoder_select="mdct ac3_parser"
1207 alac_encoder_select="lpc"
1208 amrnb_decoder_select="lsp"
1209 atrac1_decoder_select="mdct"
1210 atrac3_decoder_select="mdct"
1211 binkaudio_dct_decoder_select="mdct rdft dct"
1212 binkaudio_rdft_decoder_select="mdct rdft"
1213 cavs_decoder_select="golomb"
1214 cook_decoder_select="mdct"
1215 cscd_decoder_suggest="zlib"
1216 dca_decoder_select="mdct"
1217 dnxhd_encoder_select="aandct"
1218 dxa_decoder_select="zlib"
1219 eac3_decoder_select="ac3_decoder"
1220 eamad_decoder_select="aandct"
1221 eatgq_decoder_select="aandct"
1222 eatqi_decoder_select="aandct"
1223 ffv1_decoder_select="golomb"
1224 flac_decoder_select="golomb"
1225 flac_encoder_select="golomb lpc"
1226 flashsv_decoder_select="zlib"
1227 flashsv_encoder_select="zlib"
1228 flv_decoder_select="h263_decoder"
1229 flv_encoder_select="h263_encoder"
1230 h261_encoder_select="aandct"
1231 h263_decoder_select="h263_parser"
1232 h263_encoder_select="aandct"
1233 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1234 h263i_decoder_select="h263_decoder"
1235 h263p_encoder_select="h263_encoder"
1236 h264_decoder_select="golomb h264dsp"
1237 h264_dxva2_hwaccel_deps="dxva2api_h"
1238 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1239 h264_vaapi_hwaccel_select="vaapi"
1240 h264_vdpau_decoder_select="vdpau h264_decoder"
1241 imc_decoder_select="fft mdct"
1242 jpegls_decoder_select="golomb"
1243 jpegls_encoder_select="golomb"
1244 ljpeg_encoder_select="aandct"
1245 loco_decoder_select="golomb"
1246 mjpeg_encoder_select="aandct"
1247 mlp_decoder_select="mlp_parser"
1248 mpeg1video_encoder_select="aandct"
1249 mpeg2video_encoder_select="aandct"
1250 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1251 mpeg4_encoder_select="h263_encoder"
1252 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1253 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1254 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1255 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1257 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1258 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1259 msmpeg4v1_decoder_select="h263_decoder"
1260 msmpeg4v1_encoder_select="h263_encoder"
1261 msmpeg4v2_decoder_select="h263_decoder"
1262 msmpeg4v2_encoder_select="h263_encoder"
1263 msmpeg4v3_decoder_select="h263_decoder"
1264 msmpeg4v3_encoder_select="h263_encoder"
1265 nellymoser_decoder_select="mdct"
1266 nellymoser_encoder_select="mdct"
1267 png_decoder_select="zlib"
1268 png_encoder_select="zlib"
1269 qcelp_decoder_select="lsp"
1270 qdm2_decoder_select="mdct rdft"
1271 rv10_decoder_select="h263_decoder"
1272 rv10_encoder_select="h263_encoder"
1273 rv20_decoder_select="h263_decoder"
1274 rv20_encoder_select="h263_encoder"
1275 rv30_decoder_select="golomb h264dsp"
1276 rv40_decoder_select="golomb h264dsp"
1277 shorten_decoder_select="golomb"
1278 sipr_decoder_select="lsp"
1279 snow_decoder_select="dwt"
1280 snow_encoder_select="aandct dwt"
1281 sonic_decoder_select="golomb"
1282 sonic_encoder_select="golomb"
1283 sonic_ls_encoder_select="golomb"
1284 svq1_encoder_select="aandct"
1285 svq3_decoder_select="golomb h264dsp"
1286 svq3_decoder_suggest="zlib"
1287 theora_decoder_select="vp3_decoder"
1288 tiff_decoder_suggest="zlib"
1289 tiff_encoder_suggest="zlib"
1290 truehd_decoder_select="mlp_decoder"
1291 tscc_decoder_select="zlib"
1292 twinvq_decoder_select="mdct lsp"
1293 vc1_decoder_select="h263_decoder"
1294 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1295 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1296 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1297 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1298 vorbis_decoder_select="mdct"
1299 vorbis_encoder_select="mdct"
1300 vp6a_decoder_select="vp6_decoder"
1301 vp6f_decoder_select="vp6_decoder"
1302 wmapro_decoder_select="mdct"
1303 wmav1_decoder_select="mdct"
1304 wmav1_encoder_select="mdct"
1305 wmav2_decoder_select="mdct"
1306 wmav2_encoder_select="mdct"
1307 wmavoice_decoder_select="lsp rdft dct"
1308 wmv1_decoder_select="h263_decoder"
1309 wmv1_encoder_select="h263_encoder"
1310 wmv2_decoder_select="h263_decoder"
1311 wmv2_encoder_select="h263_encoder"
1312 wmv3_decoder_select="vc1_decoder"
1313 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1314 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1315 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1316 zlib_decoder_select="zlib"
1317 zlib_encoder_select="zlib"
1318 zmbv_decoder_select="zlib"
1319 zmbv_encoder_select="zlib"
1320
1321 vaapi_deps="va_va_h"
1322 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1323
1324 # parsers
1325 h264_parser_select="golomb h264dsp"
1326
1327 # bitstream_filters
1328 aac_adtstoasc_bsf_select="aac_parser"
1329
1330 # external libraries
1331 libdirac_decoder_deps="libdirac !libschroedinger"
1332 libdirac_encoder_deps="libdirac"
1333 libfaac_encoder_deps="libfaac"
1334 libfaad_decoder_deps="libfaad"
1335 libfaadbin_decoder_extralibs='$ldl'
1336 libgsm_decoder_deps="libgsm"
1337 libgsm_encoder_deps="libgsm"
1338 libgsm_ms_decoder_deps="libgsm"
1339 libgsm_ms_encoder_deps="libgsm"
1340 libmp3lame_encoder_deps="libmp3lame"
1341 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1342 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1343 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1344 libopenjpeg_decoder_deps="libopenjpeg"
1345 libschroedinger_decoder_deps="libschroedinger"
1346 libschroedinger_encoder_deps="libschroedinger"
1347 libspeex_decoder_deps="libspeex"
1348 libtheora_encoder_deps="libtheora"
1349 libvorbis_encoder_deps="libvorbis"
1350 libx264_encoder_deps="libx264"
1351 libxvid_encoder_deps="libxvid"
1352
1353 # demuxers / muxers
1354 ac3_demuxer_deps="ac3_parser"
1355 asf_stream_muxer_select="asf_muxer"
1356 avisynth_demuxer_deps="avisynth"
1357 dirac_demuxer_deps="dirac_parser"
1358 eac3_demuxer_select="ac3_parser"
1359 ipod_muxer_select="mov_muxer"
1360 libnut_demuxer_deps="libnut"
1361 libnut_muxer_deps="libnut"
1362 matroska_audio_muxer_select="matroska_muxer"
1363 matroska_demuxer_suggest="zlib bzlib"
1364 mov_demuxer_suggest="zlib"
1365 mp3_demuxer_deps="mpegaudio_parser"
1366 mp4_muxer_select="mov_muxer"
1367 mpegtsraw_demuxer_select="mpegts_demuxer"
1368 mxf_d10_muxer_select="mxf_muxer"
1369 ogg_demuxer_select="golomb"
1370 psp_muxer_select="mov_muxer"
1371 rtsp_demuxer_deps="sdp_demuxer"
1372 rtsp_muxer_deps="sdp_demuxer"
1373 rtsp_muxer_select="rtp_muxer"
1374 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1375 sdp_demuxer_select="asf_demuxer rm_demuxer"
1376 spdif_muxer_select="aac_parser"
1377 tg2_muxer_select="mov_muxer"
1378 tgp_muxer_select="mov_muxer"
1379 w64_demuxer_deps="wav_demuxer"
1380
1381 # indevs / outdevs
1382 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1383 alsa_indev_extralibs="-lasound"
1384 alsa_outdev_deps="alsa_asoundlib_h"
1385 alsa_outdev_extralibs="-lasound"
1386 audio_beos_indev_deps="audio_beos"
1387 audio_beos_indev_extralibs="-lmedia -lbe"
1388 audio_beos_outdev_deps="audio_beos"
1389 audio_beos_outdev_extralibs="-lmedia -lbe"
1390 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1391 dv1394_indev_deps="dv1394 dv_demuxer"
1392 jack_indev_deps="jack_jack_h"
1393 jack_indev_extralibs="-ljack"
1394 libdc1394_indev_deps="libdc1394"
1395 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1396 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1397 v4l_indev_deps="linux_videodev_h"
1398 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1399 vfwcap_indev_deps="capCreateCaptureWindow"
1400 vfwcap_indev_extralibs="-lavicap32"
1401 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1402 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1403
1404 # protocols
1405 gopher_protocol_deps="network"
1406 http_protocol_deps="network"
1407 http_protocol_select="tcp_protocol"
1408 rtmp_protocol_deps="tcp_protocol"
1409 rtp_protocol_deps="udp_protocol"
1410 tcp_protocol_deps="network"
1411 udp_protocol_deps="network"
1412
1413 # filters
1414 movie_filter_deps="avfilter_lavf"
1415 avfilter_lavf_deps="avformat"
1416
1417 # libraries
1418 avdevice_deps="avcodec avformat"
1419 avformat_deps="avcodec"
1420
1421 # programs
1422 ffmpeg_deps="avcodec avformat swscale"
1423 ffplay_deps="avcodec avformat swscale sdl"
1424 ffplay_select="rdft"
1425 ffprobe_deps="avcodec avformat"
1426 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1427 ffserver_extralibs='$ldl'
1428
1429 doc_deps="texi2html"
1430
1431 # default parameters
1432
1433 logfile="config.err"
1434
1435 # installation paths
1436 prefix_default="/usr/local"
1437 bindir_default='${prefix}/bin'
1438 datadir_default='${prefix}/share/ffmpeg'
1439 incdir_default='${prefix}/include'
1440 libdir_default='${prefix}/lib'
1441 mandir_default='${prefix}/share/man'
1442 shlibdir_default="$libdir_default"
1443
1444 # toolchain
1445 ar="ar"
1446 cc_default="gcc"
1447 cc_version=\"unknown\"
1448 host_cc_default="gcc"
1449 ln_s="ln -sf"
1450 nm_default="nm"
1451 objformat="elf"
1452 ranlib="ranlib"
1453 strip_default="strip"
1454 yasmexe="yasm"
1455
1456 nm_opts='-g'
1457
1458 # machine
1459 arch_default=$(uname -m)
1460 cpu="generic"
1461
1462 # OS
1463 target_os_default=$(tolower $(uname -s))
1464 host_os=$target_os_default
1465
1466 # configurable options
1467 enable avcodec
1468 enable avdevice
1469 enable avformat
1470 enable avutil
1471 enable asm
1472 enable debug
1473 enable doc
1474 enable fastdiv
1475 enable ffmpeg
1476 enable ffplay
1477 enable ffprobe
1478 enable ffserver
1479 enable mpegaudio_hp
1480 enable network
1481 enable optimizations
1482 enable protocols
1483 enable static
1484 enable stripping
1485 enable swscale
1486 enable swscale_alpha
1487
1488 # build settings
1489 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1490 FFSERVERLDFLAGS=-Wl,-E
1491 LIBPREF="lib"
1492 LIBSUF=".a"
1493 FULLNAME='$(NAME)$(BUILDSUF)'
1494 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1495 SLIBPREF="lib"
1496 SLIBSUF=".so"
1497 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1498 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1499 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1500 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1501
1502 CC_O='-o $@'
1503
1504 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1505 host_libs='-lm'
1506
1507 target_path='$(CURDIR)'
1508
1509 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1510 # full relative path for objects in subdirectories for non-recursive Make.
1511 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1512 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1513
1514 # find source path
1515 source_path="$(dirname "$0")"
1516 enable source_path_used
1517 if test -f configure; then
1518 source_path="$(pwd)"
1519 disable source_path_used
1520 else
1521 source_path="$(cd "$source_path"; pwd)"
1522 echo "$source_path" | grep -q '[[:blank:]]' &&
1523 die "Out of tree builds are impossible with whitespace in source path."
1524 test -e "$source_path/config.h" &&
1525 die "Out of tree builds are impossible with config.h in source dir."
1526 fi
1527
1528 for v in "$@"; do
1529 r=${v#*=}
1530 l=${v%"$r"}
1531 r=$(sh_quote "$r")
1532 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1533 done
1534
1535 find_things(){
1536 thing=$1
1537 pattern=$2
1538 file=$source_path/$3
1539 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1540 }
1541
1542 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1543 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1544 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1545 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1546 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1547 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1548 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1549 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1550 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1551 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1552 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1553
1554 for n in $COMPONENT_LIST; do
1555 v=$(toupper ${n%s})_LIST
1556 eval enable \$$v
1557 eval ${n}_if_any="\$$v"
1558 done
1559
1560 enable $ARCH_EXT_LIST
1561
1562 die_unknown(){
1563 echo "Unknown option \"$1\"."
1564 echo "See $0 --help for available options."
1565 exit 1
1566 }
1567
1568 show_list() {
1569 suffix=_$1
1570 shift
1571 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1572 exit 0
1573 }
1574
1575 for opt do
1576 optval="${opt#*=}"
1577 case "$opt" in
1578 --extra-ldflags=*) add_ldflags $optval
1579 ;;
1580 --extra-libs=*) add_extralibs $optval
1581 ;;
1582 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1583 ;;
1584 --enable-debug=*) debuglevel="$optval"
1585 ;;
1586 --disable-everything)
1587 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1588 ;;
1589 --enable-*=*|--disable-*=*)
1590 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1591 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1592 eval list=\$$(toupper $thing)_LIST
1593 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1594 $action $(filter "$name" $list)
1595 ;;
1596 --enable-?*|--disable-?*)
1597 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1598 if is_in $option $COMPONENT_LIST; then
1599 test $action = disable && action=unset
1600 eval $action \$$(toupper ${option%s})_LIST
1601 elif is_in $option $CMDLINE_SELECT; then
1602 $action $option
1603 else
1604 die_unknown $opt
1605 fi
1606 ;;
1607 --list-*)
1608 NAME="${opt#--list-}"
1609 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1610 NAME=${NAME%s}
1611 eval show_list $NAME \$$(toupper $NAME)_LIST
1612 ;;
1613 --help|-h) show_help
1614 ;;
1615 *)
1616 optname="${opt%%=*}"
1617 optname="${optname#--}"
1618 optname=$(echo "$optname" | sed 's/-/_/g')
1619 if is_in $optname $CMDLINE_SET; then
1620 eval $optname='$optval'
1621 elif is_in $optname $CMDLINE_APPEND; then
1622 append $optname "$optval"
1623 else
1624 die_unknown $opt
1625 fi
1626 ;;
1627 esac
1628 done
1629
1630 disabled logging && logfile=/dev/null
1631
1632 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1633 set >> $logfile
1634
1635 test -n "$cross_prefix" && enable cross_compile
1636
1637 if enabled cross_compile; then
1638 test -n "$arch" && test -n "$target_os" ||
1639 die "Must specify target arch and OS when cross-compiling"
1640 fi
1641
1642 set_default arch target_os
1643
1644 ar="${cross_prefix}${ar}"
1645 cc_default="${cross_prefix}${cc_default}"
1646 nm_default="${cross_prefix}${nm_default}"
1647 ranlib="${cross_prefix}${ranlib}"
1648 strip_default="${cross_prefix}${strip_default}"
1649
1650 sysinclude_default="${sysroot}/usr/include"
1651
1652 set_default cc nm strip sysinclude
1653 enabled cross_compile || host_cc_default=$cc
1654 set_default host_cc
1655
1656 exesuf() {
1657 case $1 in
1658 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1659 esac
1660 }
1661
1662 EXESUF=$(exesuf $target_os)
1663 HOSTEXESUF=$(exesuf $host_os)
1664
1665 # set temporary file name
1666 : ${TMPDIR:=$TEMPDIR}
1667 : ${TMPDIR:=$TMP}
1668 : ${TMPDIR:=/tmp}
1669
1670 if ! check_cmd type mktemp; then
1671 # simple replacement for missing mktemp
1672 # NOT SAFE FOR GENERAL USE
1673 mktemp(){
1674 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1675 }
1676 fi
1677
1678 tmpfile(){
1679 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1680 (set -C; exec > $tmp) 2>/dev/null ||
1681 die "Unable to create temporary file in $TMPDIR."
1682 append TMPFILES $tmp
1683 eval $1=$tmp
1684 }
1685
1686 trap 'rm -f -- $TMPFILES' EXIT
1687 trap exit HUP INT TERM
1688
1689 tmpfile TMPC .c
1690 tmpfile TMPE $EXESUF
1691 tmpfile TMPH .h
1692 tmpfile TMPO .o
1693 tmpfile TMPS .S
1694 tmpfile TMPV .ver
1695 tmpfile TMPSH .sh
1696
1697 unset -f mktemp
1698
1699 # make sure we can execute files in $TMPDIR
1700 cat > $TMPSH 2>> $logfile <<EOF
1701 #! /bin/sh
1702 EOF
1703 chmod +x $TMPSH >> $logfile 2>&1
1704 if ! $TMPSH >> $logfile 2>&1; then
1705 cat <<EOF
1706 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1707 variable to another directory and make sure that it is not mounted noexec.
1708 EOF
1709 die "Sanity test failed."
1710 fi
1711
1712 filter_cflags=echo
1713 filter_cppflags=echo
1714 filter_asflags=echo
1715
1716 if $cc -v 2>&1 | grep -qi ^gcc; then
1717 cc_type=gcc
1718 cc_version=__VERSION__
1719 if ! $cc -dumpversion | grep -q '^2\.'; then
1720 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1721 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1722 fi
1723 speed_cflags='-O3'
1724 size_cflags='-Os'
1725 elif $cc --version 2>/dev/null | grep -q Intel; then
1726 cc_type=icc
1727 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1728 CC_DEPFLAGS='-MMD'
1729 AS_DEPFLAGS='-MMD'
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
1732 elif $cc -v 2>&1 | grep -q xlc; then
1733 cc_type=xlc
1734 cc_version="AV_STRINGIFY(__IBMC__)"
1735 speed_cflags='-O5'
1736 size_cflags='-O5 -qcompact'
1737 elif $cc -V 2>/dev/null | grep -q Compaq; then
1738 cc_type=ccc
1739 cc_version="AV_STRINGIFY(__DECC_VER)"
1740 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1741 debuglevel=3
1742 add_ldflags -Wl,-z,now # calls to libots crash without this
1743 speed_cflags='-fast'
1744 size_cflags='-O1'
1745 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1746 test -d "$sysroot" || die "No valid sysroot specified."
1747 cc_type=armcc
1748 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1749 armcc_conf="$PWD/armcc.conf"
1750 $cc --arm_linux_configure \
1751 --arm_linux_config_file="$armcc_conf" \
1752 --configure_sysroot="$sysroot" \
1753 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1754 die "Error creating armcc configuration file."
1755 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1756 as_default="${cross_prefix}gcc"
1757 CC_DEPFLAGS='-MMD'
1758 AS_DEPFLAGS='-MMD'
1759 speed_cflags='-O3'
1760 size_cflags='-Os'
1761 elif $cc -version 2>/dev/null | grep -q TMS470; then
1762 cc_type=tms470
1763 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1764 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1765 CC_O='-fr=$(@D)'
1766 as_default="${cross_prefix}gcc"
1767 ld_default="${cross_prefix}gcc"
1768 TMPO=$(basename $TMPC .c).o
1769 append TMPFILES $TMPO
1770 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1771 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1772 AS_DEPFLAGS='-MMD'
1773 speed_cflags='-O3 -mf=5'
1774 size_cflags='-O3 -mf=2'
1775 filter_cflags=tms470_flags
1776 tms470_flags(){
1777 for flag; do
1778 case $flag in
1779 -march=*|-mcpu=*)
1780 case "${flag#*=}" in
1781 armv7-a|cortex-a*) echo -mv=7a8 ;;
1782 armv7-r|cortex-r*) echo -mv=7r4 ;;
1783 armv7-m|cortex-m*) echo -mv=7m3 ;;
1784 armv6*|arm11*) echo -mv=6 ;;
1785 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1786 echo -mv=5e ;;
1787 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1788 esac
1789 ;;
1790 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1791 -mfpu=vfp) echo --float_support=vfpv2 ;;
1792 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1793 -msoft-float) echo --float_support=vfplib ;;
1794 -O[0-3]|-mf=*) echo $flag ;;
1795 -g) echo -g -mn ;;
1796 -pds=*) echo $flag ;;
1797 esac
1798 done
1799 }
1800 elif $cc -v 2>&1 | grep -q clang; then
1801 cc_type=clang
1802 cc_version=__VERSION__
1803 CC_DEPFLAGS='-MMD'
1804 AS_DEPFLAGS='-MMD'
1805 speed_cflags='-O3'
1806 size_cflags='-Os'
1807 elif $cc -V 2>&1 | grep -q Sun; then
1808 cc_type=suncc
1809 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1810 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1811 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1812 speed_cflags='-O5'
1813 size_cflags='-O5 -xspace'
1814 filter_cflags=suncc_flags
1815 suncc_flags(){
1816 for flag; do
1817 case $flag in
1818 -march=*|-mcpu=*)
1819 case "${flag#*=}" in
1820 native) echo -xtarget=native ;;
1821 v9) echo -xarch=sparc ;;
1822 ultrasparc) echo -xarch=sparcvis ;;
1823 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1824 i586|pentium) echo -xchip=pentium ;;
1825 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1826 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1827 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1828 pentium4*) echo -xtarget=pentium4 ;;
1829 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1830 *-sse3) echo -xarch=sse3 ;;
1831 core2) echo -xarch=ssse3 -xchip=core2 ;;
1832 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1833 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1834 k8|opteron|athlon64|athlon-fx)
1835 echo -xarch=sse2a ;;
1836 athlon*) echo -xarch=pentium_proa ;;
1837 esac
1838 ;;
1839 -std=c99) echo -xc99 ;;
1840 -fomit-frame-pointer) echo -xregs=frameptr ;;
1841 -fPIC) echo -KPIC -xcode=pic32 ;;
1842 -W*,*) echo $flag ;;
1843 -f*-*|-W*) ;;
1844 *) echo $flag ;;
1845 esac
1846 done
1847 }
1848 fi
1849
1850 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1851
1852 : ${as_default:=$cc}
1853 : ${dep_cc_default:=$cc}
1854 : ${ld_default:=$cc}
1855 set_default as dep_cc ld
1856
1857 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1858 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1859
1860 add_cflags $extra_cflags
1861 add_asflags $extra_cflags
1862
1863 if test -n "$sysroot"; then
1864 case "$cc_type" in
1865 gcc)
1866 add_cppflags --sysroot="$sysroot"
1867 add_ldflags --sysroot="$sysroot"
1868 ;;
1869 tms470)
1870 add_cppflags -I"$sysinclude"
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
1873 clang)
1874 add_cppflags -isysroot "$sysroot"
1875 add_ldflags -isysroot "$sysroot"
1876 ;;
1877 esac
1878 fi
1879
1880 if test "$cpu" = host; then
1881 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1882
1883 case "$cc_type" in
1884 gcc)
1885 check_native(){
1886 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1887 sed -n "/$1=/{
1888 s/.*$1=\\([^ ]*\\).*/\\1/
1889 p
1890 q
1891 }" $TMPE
1892 }
1893 cpu=$(check_native -march || check_native -mcpu)
1894 ;;
1895 esac
1896
1897 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1898 fi
1899
1900 # Deal with common $arch aliases
1901 case "$arch" in
1902 arm*)
1903 arch="arm"
1904 ;;
1905 mips|mipsel|IP*)
1906 arch="mips"
1907 ;;
1908 mips64*)
1909 arch="mips"
1910 subarch="mips64"
1911 ;;
1912 parisc|hppa)
1913 arch="parisc"
1914 ;;
1915 parisc64|hppa64)
1916 arch="parisc"
1917 subarch="parisc64"
1918 ;;
1919 "Power Macintosh"|ppc|powerpc)
1920 arch="ppc"
1921 ;;
1922 ppc64|powerpc64)
1923 arch="ppc"
1924 subarch="ppc64"
1925 ;;
1926 s390|s390x)
1927 arch="s390"
1928 ;;
1929 sh4|sh)
1930 arch="sh4"
1931 ;;
1932 sun4u|sparc64)
1933 arch="sparc"
1934 subarch="sparc64"
1935 ;;
1936 i[3-6]86|i86pc|BePC|x86_64|amd64)
1937 arch="x86"
1938 ;;
1939 esac
1940
1941 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1942 enable $arch
1943
1944 # Add processor-specific flags
1945 if test "$cpu" = generic; then
1946 : do nothing
1947 elif enabled ppc; then
1948
1949 case $(tolower $cpu) in
1950 601|ppc601|powerpc601)
1951 cpuflags="-mcpu=601"
1952 disable altivec
1953 ;;
1954 603*|ppc603*|powerpc603*)
1955 cpuflags="-mcpu=603"
1956 disable altivec
1957 ;;
1958 604*|ppc604*|powerpc604*)
1959 cpuflags="-mcpu=604"
1960 disable altivec
1961 ;;
1962 g3|75*|ppc75*|powerpc75*)
1963 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1964 disable altivec
1965 ;;
1966 g4|745*|ppc745*|powerpc745*)
1967 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1968 ;;
1969 74*|ppc74*|powerpc74*)
1970 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1971 ;;
1972 g5|970|ppc970|powerpc970|power4*)
1973 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1974 ;;
1975 cell)
1976 cpuflags="-mcpu=cell"
1977 enable ldbrx
1978 ;;
1979 e500v2)
1980 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1981 disable altivec
1982 ;;
1983 e500)
1984 cpuflags="-mcpu=8540 -mhard-float"
1985 disable altivec
1986 ;;
1987 esac
1988
1989 elif enabled x86; then
1990
1991 case $cpu in
1992 i[345]86|pentium)
1993 cpuflags="-march=$cpu"
1994 disable mmx
1995 ;;
1996 # targets that do NOT support conditional mov (cmov)
1997 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1998 cpuflags="-march=$cpu"
1999 disable cmov
2000 ;;
2001 # targets that do support conditional mov (cmov)
2002 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2003 cpuflags="-march=$cpu"
2004 enable cmov
2005 enable fast_cmov
2006 ;;
2007 # targets that do support conditional mov but on which it's slow
2008 pentium4|pentium4m|prescott|nocona)
2009 cpuflags="-march=$cpu"
2010 enable cmov
2011 disable fast_cmov
2012 ;;
2013 esac
2014
2015 elif enabled sparc; then
2016
2017 case $cpu in
2018 sparc64)
2019 cpuflags="-mcpu=v9"
2020 ;;
2021 esac
2022
2023 elif enabled arm; then
2024
2025 case $cpu in
2026 armv*)
2027 cpuflags="-march=$cpu"
2028 ;;
2029 *)
2030 cpuflags="-mcpu=$cpu"
2031 ;;
2032 esac
2033
2034 elif enabled alpha; then
2035
2036 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2037
2038 elif enabled bfin; then
2039
2040 cpuflags="-mcpu=$cpu"
2041
2042 elif enabled mips; then
2043
2044 cpuflags="-march=$cpu"
2045
2046 elif enabled avr32; then
2047
2048 case $cpu in
2049 ap7[02]0[0-2])
2050 subarch="avr32_ap"
2051 cpuflags="-mpart=$cpu"
2052 ;;
2053 ap)
2054 subarch="avr32_ap"
2055 cpuflags="-march=$cpu"
2056 ;;
2057 uc3[ab]*)
2058 subarch="avr32_uc"
2059 cpuflags="-mcpu=$cpu"
2060 ;;
2061 uc)
2062 subarch="avr32_uc"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 esac
2066
2067 fi
2068
2069 add_cflags $cpuflags
2070 add_asflags $cpuflags
2071
2072 # compiler sanity check
2073 check_exec <<EOF
2074 int main(void){ return 0; }
2075 EOF
2076 if test "$?" != 0; then
2077 echo "$cc is unable to create an executable file."
2078 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2079 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2080 echo "Only do this if you know what cross compiling means."
2081 fi
2082 die "C compiler test failed."
2083 fi
2084
2085 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2086 check_cflags -std=c99
2087 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2088 #include <stdlib.h>
2089 EOF
2090 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2091 #include <stdlib.h>
2092 EOF
2093
2094 check_host_cflags -std=c99
2095
2096 case "$arch" in
2097 alpha|ia64|mips|parisc|sparc)
2098 spic=$shared
2099 ;;
2100 x86)
2101 subarch="x86_32"
2102 check_cc <<EOF && subarch="x86_64"
2103 int test[(int)sizeof(char*) - 7];
2104 EOF
2105 if test "$subarch" = "x86_64"; then
2106 spic=$shared
2107 fi
2108 ;;
2109 esac
2110
2111 enable $subarch
2112 enabled spic && enable pic
2113
2114 # OS specific
2115 case $target_os in
2116 beos|haiku|zeta)
2117 prefix_default="$HOME/config"
2118 # 3 gcc releases known for BeOS, each with ugly bugs
2119 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2120 case "$gcc_version" in
2121 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2122 disable mmx
2123 ;;
2124 *20010315*) echo "BeBits gcc"
2125 add_cflags -fno-expensive-optimizations
2126 ;;
2127 esac
2128 SHFLAGS=-nostart
2129 # enable BeOS things
2130 enable audio_beos
2131 # no need for libm, but the inet stuff
2132 # Check for BONE
2133 # XXX: actually should check for NOT net_server
2134 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2135 network_extralibs="-lbind -lsocket"
2136 else
2137 enable beos_netserver
2138 network_extralibs="-lnet"
2139 fi ;;
2140 sunos)
2141 FFSERVERLDFLAGS=""
2142 SHFLAGS='-shared -Wl,-h,$$(@F)'
2143 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2144 network_extralibs="-lsocket -lnsl"
2145 add_cppflags -D__EXTENSIONS__
2146 nm_opts='-P -g'
2147 ;;
2148 netbsd)
2149 oss_indev_extralibs="-lossaudio"
2150 oss_outdev_extralibs="-lossaudio"
2151 add_cppflags -D_XOPEN_SOURCE=600
2152 ;;
2153 openbsd)
2154 enable malloc_aligned
2155 # On OpenBSD 4.5. the compiler does not use PIC unless
2156 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2157 # however the generated executable will not do anything
2158 # (simply quits with exit-code 1, no crash, no output).
2159 # Thus explicitly enable PIC here.
2160 enable pic
2161 SHFLAGS='-shared'
2162 oss_indev_extralibs="-lossaudio"
2163 oss_outdev_extralibs="-lossaudio"
2164 ;;
2165 freebsd|dragonfly)
2166 enable malloc_aligned
2167 ;;
2168 bsd/os)
2169 osextralibs="-lpoll -lgnugetopt"
2170 strip="strip -d"
2171 ;;
2172 darwin)
2173 enable malloc_aligned
2174 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2175 strip="strip -x"
2176 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2177 SLIBSUF=".dylib"
2178 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2179 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2180 FFSERVERLDFLAGS=-Wl,-bind_at_load
2181 objformat="macho"
2182 enabled x86_64 && objformat="macho64"
2183 enabled_any pic shared ||
2184 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2185 ;;
2186 mingw32*)
2187 if test $target_os = "mingw32ce"; then
2188 disable network
2189 else
2190 target_os=mingw32
2191 fi
2192 LIBTARGET=i386
2193 if enabled x86_64; then
2194 enable malloc_aligned
2195 LIBTARGET=x64
2196 elif enabled arm; then
2197 LIBTARGET=arm
2198 fi
2199 shlibdir_default="$bindir_default"
2200 disable ffserver
2201 SLIBPREF=""
2202 SLIBSUF=".dll"
2203 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2204 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2205 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2206 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2207 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2208 install -d "$(LIBDIR)"; \
2209 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2210 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2211 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2212 objformat="win32"
2213 enable dos_paths
2214 check_cflags -fno-common
2215 if ! enabled x86_64; then
2216 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2217 die "ERROR: MinGW runtime version must be >= 3.15."
2218 enabled_any avisynth vfwcap_indev &&
2219 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2220 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2221 fi
2222 ;;
2223 cygwin*)
2224 target_os=cygwin
2225 shlibdir_default="$bindir_default"
2226 SLIBPREF="cyg"
2227 SLIBSUF=".dll"
2228 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2229 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2230 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2231 objformat="win32"
2232 enable dos_paths
2233 check_cflags -fno-common
2234 ;;
2235 *-dos|freedos|opendos)
2236 disable ffplay ffserver
2237 disable $INDEV_LIST $OUTDEV_LIST
2238 network_extralibs="-lsocket"
2239 objformat="coff"
2240 enable dos_paths
2241 ;;
2242 linux)
2243 enable dv1394
2244 ;;
2245 irix*)
2246 target_os=irix
2247 ranlib="echo ignoring ranlib"
2248 ;;
2249 os/2*)
2250 strip="lxlite"
2251 ln_s="cp -f"
2252 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2253 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2254 FFSERVERLDFLAGS=""
2255 LIBSUF="_s.a"
2256 SLIBPREF=""
2257 SLIBSUF=".dll"
2258 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2259 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2260 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2261 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2262 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2263 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2264 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2265 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2266 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2267 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2268 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2269 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2270 enable dos_paths
2271 ;;
2272 gnu/kfreebsd)
2273 ;;
2274 gnu)
2275 ;;
2276 none)
2277 ;;
2278 *)
2279 die "Unknown OS '$target_os'."
2280 ;;
2281 esac
2282
2283 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2284
2285 set_default $PATHS_LIST
2286
2287 add_extralibs $osextralibs
2288
2289 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2290 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2291
2292 # we need to build at least one lib type
2293 if ! enabled_any static shared; then
2294 cat <<EOF
2295 At least one library type must be built.
2296 Specify --enable-static to build the static libraries or --enable-shared to
2297 build the shared libraries as well. To only build the shared libraries specify
2298 --disable-static in addition to --enable-shared.
2299 EOF
2300 exit 1;
2301 fi
2302
2303 disabled static && LIBNAME=""
2304
2305 if enabled_any libfaad libfaadbin ; then
2306 if check_header faad.h; then
2307 check_cc <<EOF
2308 #include <faad.h>
2309 #ifndef FAAD2_VERSION
2310 ok faad1
2311 #endif
2312 int main(void) { return 0; }
2313 EOF
2314 test $? = 0 && enable libfaad2
2315 else
2316 die "FAAD test failed."
2317 fi
2318 fi
2319
2320
2321 die_license_disabled() {
2322 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2323 }
2324
2325 die_license_disabled gpl libfaad2
2326 die_license_disabled gpl libx264
2327 die_license_disabled gpl libxvid
2328 die_license_disabled gpl postproc
2329 die_license_disabled gpl x11grab
2330
2331 die_license_disabled nonfree libfaac
2332
2333 die_license_disabled version3 libopencore_amrnb
2334 die_license_disabled version3 libopencore_amrwb
2335
2336 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2337
2338 check_deps $ARCH_EXT_LIST
2339
2340 disabled optimizations || check_cflags -fomit-frame-pointer
2341
2342 enable_pic() {
2343 enable pic
2344 add_cppflags -DPIC
2345 add_cflags -fPIC
2346 add_asflags -fPIC
2347 }
2348
2349 enabled pic && enable_pic
2350
2351 check_cc <<EOF || die "Symbol mangling check failed."
2352 int ff_extern;
2353 EOF
2354 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2355 extern_prefix=${sym%%ff_extern*}
2356
2357 check_cc <<EOF && enable inline_asm
2358 void foo(void) { __asm__ volatile ("" ::); }
2359 EOF
2360
2361 _restrict=
2362 for restrict_keyword in restrict __restrict__ __restrict; do
2363 check_cc <<EOF && _restrict=$restrict_keyword && break
2364 void foo(char * $restrict_keyword p);
2365 EOF
2366 done
2367
2368 check_cc <<EOF && enable attribute_packed
2369 struct { int x; } __attribute__((packed)) x;
2370 EOF
2371
2372 check_cc <<EOF && enable attribute_may_alias
2373 union { int x; } __attribute__((may_alias)) x;
2374 EOF
2375
2376 check_cc <<EOF || die "endian test failed"
2377 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2378 EOF
2379 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2380
2381 if enabled alpha; then
2382
2383 check_cflags -mieee
2384
2385 elif enabled arm; then
2386
2387 check_cflags -marm
2388
2389 check_ld <<EOF && enable vfp_args
2390 __asm__ (".eabi_attribute 28, 1");
2391 int main(void) { return 0; }
2392 EOF
2393
2394 # We have to check if pld is a nop and disable it.
2395 check_asm pld '"pld [r0]"'
2396
2397 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2398 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2399 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2400 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2401 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2402 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2403
2404 enabled_all armv6t2 shared !pic && enable_pic
2405
2406 elif enabled ia64; then
2407
2408 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2409 enabled shared && enable_weak hardcoded_tables
2410
2411 elif enabled mips; then
2412
2413 check_asm loongson '"dmult.g $1, $2, $3"'
2414 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2415
2416 elif enabled ppc; then
2417
2418 enable local_aligned_8 local_aligned_16
2419
2420 check_asm dcbzl '"dcbzl 0, 1"'
2421 check_asm ppc4xx '"maclhw r10, r11, r12"'
2422 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2423
2424 # AltiVec flags: The FSF version of GCC differs from the Apple version
2425 if enabled altivec; then
2426 check_cflags -maltivec -mabi=altivec &&
2427 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2428 check_cflags -faltivec
2429
2430 # check if our compiler supports Motorola AltiVec C API
2431 check_cc <<EOF || disable altivec
2432 $inc_altivec_h
2433 int main(void) {
2434 vector signed int v1, v2, v3;
2435 v1 = vec_add(v2,v3);
2436 return 0;
2437 }
2438 EOF
2439
2440 # check if our compiler supports braces for vector declarations
2441 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2442 $inc_altivec_h
2443 int main (void) { (vector int) {1}; return 0; }
2444 EOF
2445 fi
2446
2447 elif enabled sparc; then
2448
2449 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2450 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2451
2452 elif enabled x86; then
2453
2454 enable local_aligned_8 local_aligned_16
2455
2456 # check whether EBP is available on x86
2457 # As 'i' is stored on the stack, this program will crash
2458 # if the base pointer is used to access it because the
2459 # base pointer is cleared in the inline assembly code.
2460 check_exec_crash <<EOF && enable ebp_available
2461 volatile int i=0;
2462 __asm__ volatile (
2463 "xorl %%ebp, %%ebp"
2464 ::: "%ebp");
2465 return i;
2466 EOF
2467
2468 # check whether EBX is available on x86
2469 check_asm ebx_available '""::"b"(0)' &&
2470 check_asm ebx_available '"":::"%ebx"'
2471
2472 # check whether more than 10 operands are supported
2473 check_cc <<EOF && enable ten_operands
2474 int main(void) {
2475 int x=0;
2476 __asm__ volatile(
2477 ""
2478 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2479 );
2480 return 0;
2481 }
2482 EOF
2483
2484 # check whether binutils is new enough to compile SSSE3/MMX2
2485 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2486 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2487
2488 check_asm bswap '"bswap %%eax" ::: "%eax"'
2489
2490 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2491 enabled x86_64 && append YASMFLAGS "-m amd64"
2492 enabled pic && append YASMFLAGS "-DPIC"
2493 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2494 case "$objformat" in
2495 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2496 esac
2497 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2498
2499 case "$cpu" in
2500 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2501 disable fast_clz
2502 ;;
2503 esac
2504
2505 fi
2506
2507 if check_func dlopen; then
2508 ldl=
2509 elif check_func dlopen -ldl; then
2510 ldl=-ldl
2511 fi
2512
2513 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2514 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2515
2516 check_func fork
2517 check_func getaddrinfo $network_extralibs
2518 check_func gethrtime
2519 check_func getrusage
2520 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2521 check_func inet_aton $network_extralibs
2522 check_func isatty
2523 check_func ${malloc_prefix}memalign && enable memalign
2524 check_func mkstemp
2525 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2526 check_func setrlimit
2527 check_func strerror_r
2528 check_func_headers io.h setmode
2529 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2530 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2531 check_func_headers windows.h GetProcessTimes
2532 check_func_headers windows.h VirtualAlloc
2533
2534 check_header conio.h
2535 check_header dlfcn.h
2536 check_header dxva2api.h
2537 check_header malloc.h
2538 check_header poll.h
2539 check_header sys/mman.h
2540 check_header sys/resource.h
2541 check_header sys/select.h
2542 check_header termios.h
2543 check_header vdpau/vdpau.h
2544 check_header vdpau/vdpau_x11.h
2545 check_header X11/extensions/XvMClib.h
2546
2547 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2548
2549 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2550 enabled_any $need_memalign ; then
2551 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2552 fi
2553
2554 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2555 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2556
2557 # check for some common methods of building with pthread support
2558 # do this before the optional library checks as some of them require pthreads
2559 if enabled pthreads; then
2560 if check_func pthread_create; then
2561 :
2562 elif check_func pthread_create -pthread; then
2563 add_cflags -pthread
2564 add_extralibs -pthread
2565 elif check_func pthread_create -pthreads; then
2566 add_cflags -pthreads
2567 add_extralibs -pthreads
2568 elif check_func pthread_create -lpthreadGC2; then
2569 add_extralibs -lpthreadGC2
2570 elif ! check_lib pthread.h pthread_create -lpthread; then
2571 die "ERROR: can't find pthreads library"
2572 fi
2573 fi
2574
2575 for thread in $THREADS_LIST; do
2576 if enabled $thread; then
2577 test -n "$thread_type" &&
2578 die "ERROR: Only one thread type must be selected." ||
2579 thread_type="$thread"
2580 fi
2581 done
2582
2583 check_lib math.h sin -lm
2584 check_lib va/va.h vaInitialize -lva
2585
2586 check_mathfunc exp2
2587 check_mathfunc exp2f
2588 check_mathfunc llrint
2589 check_mathfunc llrintf
2590 check_mathfunc log2
2591 check_mathfunc log2f
2592 check_mathfunc lrint
2593 check_mathfunc lrintf
2594 check_mathfunc round
2595 check_mathfunc roundf
2596 check_mathfunc truncf
2597
2598 # these are off by default, so fail if requested and not available
2599 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2600 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2601 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2602 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2603 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2604 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2605 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2606 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2607 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2608 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2609 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2610 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2611 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
2612 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2613 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2614 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2615 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2616 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2617 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2618 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2619 die "ERROR: libx264 version must be >= 0.83."; }
2620 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2621 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2622
2623 # libdc1394 check
2624 if enabled libdc1394; then
2625 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2626 enable libdc1394_2; } ||
2627 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2628 enable libdc1394_1; } ||
2629 die "ERROR: No version of libdc1394 found "
2630 fi
2631
2632 SDL_CONFIG="${cross_prefix}sdl-config"
2633 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2634 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2635 sdl_libs=$("${SDL_CONFIG}" --libs)
2636 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2637 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2638 enable sdl &&
2639 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2640 fi
2641
2642 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2643
2644 if enabled network; then
2645 check_type "sys/types.h sys/socket.h" socklen_t
2646 check_type netdb.h "struct addrinfo"
2647 check_type netinet/in.h "struct ipv6_mreq"
2648 check_type netinet/in.h "struct sockaddr_in6"
2649 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2650 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2651 # Prefer arpa/inet.h over winsock2
2652 if check_header arpa/inet.h ; then
2653 check_func closesocket
2654 elif check_header winsock2.h ; then
2655 check_func_headers winsock2.h closesocket -lws2 && \
2656 network_extralibs="-lws2" || \
2657 { check_func_headers winsock2.h closesocket -lws2_32 && \
2658 network_extralibs="-lws2_32"; }
2659 check_type ws2tcpip.h socklen_t
2660 check_type ws2tcpip.h "struct addrinfo"
2661 check_type ws2tcpip.h "struct ipv6_mreq"
2662 check_type ws2tcpip.h "struct sockaddr_in6"
2663 check_type ws2tcpip.h "struct sockaddr_storage"
2664 check_struct winsock2.h "struct sockaddr" sa_len
2665 else
2666 disable network
2667 fi
2668 fi
2669
2670 check_header linux/videodev.h
2671 check_header linux/videodev2.h
2672 check_header sys/videoio.h
2673
2674 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2675
2676 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2677 { check_header dev/bktr/ioctl_meteor.h &&
2678 check_header dev/bktr/ioctl_bt848.h; } ||
2679 { check_header machine/ioctl_meteor.h &&
2680 check_header machine/ioctl_bt848.h; } ||
2681 { check_header dev/video/meteor/ioctl_meteor.h &&
2682 check_header dev/video/bktr/ioctl_bt848.h; } ||
2683 check_header dev/ic/bt8xx.h
2684
2685 check_header sys/soundcard.h
2686 check_header soundcard.h
2687
2688 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2689
2690 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2691
2692 enabled x11grab &&
2693 check_header X11/Xlib.h &&
2694 check_header X11/extensions/XShm.h &&
2695 check_header X11/extensions/Xfixes.h &&
2696 check_func XOpenDisplay -lX11 &&
2697 check_func XShmCreateImage -lX11 -lXext &&
2698 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2699
2700 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2701 check_cpp_condition \
2702 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2703 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2704 disable vdpau; }
2705 fi
2706
2707 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2708
2709 # add some useful compiler flags if supported
2710 check_cflags -Wdeclaration-after-statement
2711 check_cflags -Wall
2712 check_cflags -Wno-switch
2713 check_cflags -Wdisabled-optimization
2714 check_cflags -Wpointer-arith
2715 check_cflags -Wredundant-decls
2716 check_cflags -Wno-pointer-sign
2717 check_cflags -Wcast-qual
2718 check_cflags -Wwrite-strings
2719 check_cflags -Wtype-limits
2720 check_cflags -Wundef
2721 check_cflags -Wmissing-prototypes
2722 enabled extra_warnings && check_cflags -Winline
2723
2724 # add some linker flags
2725 check_ldflags -Wl,--warn-common
2726 check_ldflags -Wl,--as-needed
2727 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'
2728 check_ldflags -Wl,-Bsymbolic
2729
2730 echo "X{};" > $TMPV
2731 test_ldflags -Wl,--version-script,$TMPV &&
2732 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2733
2734 if enabled small; then
2735 add_cflags $size_cflags
2736 optimizations="small"
2737 elif enabled optimizations; then
2738 add_cflags $speed_cflags
2739 fi
2740 check_cflags -fno-math-errno
2741 check_cflags -fno-signed-zeros
2742
2743 if enabled icc; then
2744 # Just warnings, no remarks
2745 check_cflags -w1
2746 # -wd: Disable following warnings
2747 # 144, 167, 556: -Wno-pointer-sign
2748 # 10006: ignoring unknown option -fno-signed-zeros
2749 # 10156: ignoring option '-W'; no argument required
2750 check_cflags -wd144,167,556,10006,10156
2751 # 11030: Warning unknown option --as-needed
2752 # 10156: ignoring option '-export'; no argument required
2753 check_ldflags -wd10156,11030
2754 # Allow to compile with optimizations
2755 check_ldflags -march=$cpu
2756 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2757 enable ebp_available
2758 elif enabled ccc; then
2759 # disable some annoying warnings
2760 add_cflags -msg_disable cvtu32to64
2761 add_cflags -msg_disable embedcomment
2762 add_cflags -msg_disable needconstext
2763 add_cflags -msg_disable nomainieee
2764 add_cflags -msg_disable ptrmismatch1
2765 add_cflags -msg_disable unreachcode
2766 elif enabled gcc; then
2767 check_cflags -fno-tree-vectorize
2768 check_cflags -Werror=implicit
2769 check_cflags -Werror=missing-prototypes
2770 elif enabled clang; then
2771 check_cflags -Qunused-arguments
2772 elif enabled armcc; then
2773 # 2523: use of inline assembler is deprecated
2774 add_cflags -Wrvct,--diag_suppress=2523
2775 add_cflags -Wrvct,--diag_suppress=1207
2776 elif enabled tms470; then
2777 add_cflags -pds=824 -pds=837
2778 fi
2779
2780 if enabled gprof; then
2781 add_cflags -p
2782 add_ldflags -p
2783 fi
2784
2785 # Find out if the .align argument is a power of two or not.
2786 check_asm asmalign_pot '".align 3"'
2787
2788 enabled_any $THREADS_LIST && enable threads
2789
2790 check_deps $CONFIG_LIST \
2791 $CONFIG_EXTRA \
2792 $HAVE_LIST \
2793 $DECODER_LIST \
2794 $ENCODER_LIST \
2795 $HWACCEL_LIST \
2796 $PARSER_LIST \
2797 $BSF_LIST \
2798 $DEMUXER_LIST \
2799 $MUXER_LIST \
2800 $FILTER_LIST \
2801 $INDEV_LIST \
2802 $OUTDEV_LIST \
2803 $PROTOCOL_LIST \
2804
2805 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2806
2807 echo "install prefix $prefix"
2808 echo "source path $source_path"
2809 echo "C compiler $cc"
2810 echo ".align is power-of-two $asmalign_pot"
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 "libx264 enabled ${libx264-no}"
2885 echo "libxvid enabled ${libxvid-no}"
2886 echo "zlib enabled ${zlib-no}"
2887 echo "bzlib enabled ${bzlib-no}"
2888 echo
2889
2890 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2891 echo "Enabled ${type}s:"
2892 eval list=\$$(toupper $type)_LIST
2893 for part in $list; do
2894 enabled $part && echo ${part%_*}
2895 done | sort | pr -3 -t
2896 echo
2897 done
2898
2899 license="LGPL version 2.1 or later"
2900 if enabled nonfree; then
2901 license="nonfree and unredistributable"
2902 elif enabled gplv3; then
2903 license="GPL version 3 or later"
2904 elif enabled lgplv3; then
2905 license="LGPL version 3 or later"
2906 elif enabled gpl; then
2907 license="GPL version 2 or later"
2908 fi
2909
2910 echo "License: $license"
2911
2912 echo "Creating config.mak and config.h..."
2913
2914 # build tree in object directory if source path is different from current one
2915 if enabled source_path_used; then
2916 DIRS="
2917 doc
2918 libavcodec
2919 libavcodec/$arch
2920 libavdevice
2921 libavfilter
2922 libavformat
2923 libavutil
2924 libavutil/$arch
2925 libpostproc
2926 libswscale
2927 libswscale/$arch
2928 tests
2929 tools
2930 "
2931 FILES="
2932 Makefile
2933 common.mak
2934 subdir.mak
2935 doc/texi2pod.pl
2936 libavcodec/Makefile
2937 libavcodec/${arch}/Makefile
2938 libavdevice/Makefile
2939 libavfilter/Makefile
2940 libavformat/Makefile
2941 libavutil/Makefile
2942 libpostproc/Makefile
2943 libswscale/Makefile
2944 "
2945 map 'mkdir -p $v' $DIRS;
2946 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2947 fi
2948
2949 enabled stripping || strip="echo skipping strip"
2950
2951 cat > config.mak <<EOF
2952 # Automatically generated by configure - do not modify!
2953 ifndef FFMPEG_CONFIG_MAK
2954 FFMPEG_CONFIG_MAK=1
2955 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2956 prefix=$prefix
2957 LIBDIR=\$(DESTDIR)$libdir
2958 SHLIBDIR=\$(DESTDIR)$shlibdir
2959 INCDIR=\$(DESTDIR)$incdir
2960 BINDIR=\$(DESTDIR)$bindir
2961 DATADIR=\$(DESTDIR)$datadir
2962 MANDIR=\$(DESTDIR)$mandir
2963 SRC_PATH="$source_path"
2964 SRC_PATH_BARE=$source_path
2965 BUILD_ROOT="$PWD"
2966 ARCH=$arch
2967 CC=$cc
2968 AS=$as
2969 LD=$ld
2970 DEPCC=$dep_cc
2971 YASM=$yasmexe
2972 YASMDEP=$yasmexe
2973 AR=$ar
2974 RANLIB=$ranlib
2975 CP=cp -p
2976 LN_S=$ln_s
2977 STRIP=$strip
2978 CPPFLAGS=$CPPFLAGS
2979 CFLAGS=$CFLAGS
2980 ASFLAGS=$ASFLAGS
2981 CC_O=$CC_O
2982 LDFLAGS=$LDFLAGS
2983 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2984 SHFLAGS=$SHFLAGS
2985 YASMFLAGS=$YASMFLAGS
2986 BUILDSUF=$build_suffix
2987 FULLNAME=$FULLNAME
2988 LIBPREF=$LIBPREF
2989 LIBSUF=$LIBSUF
2990 LIBNAME=$LIBNAME
2991 SLIBPREF=$SLIBPREF
2992 SLIBSUF=$SLIBSUF
2993 EXESUF=$EXESUF
2994 EXTRA_VERSION=$extra_version
2995 DEPFLAGS=$DEPFLAGS
2996 CCDEP=$CCDEP
2997 ASDEP=$ASDEP
2998 CC_DEPFLAGS=$CC_DEPFLAGS
2999 AS_DEPFLAGS=$AS_DEPFLAGS
3000 HOSTCC=$host_cc
3001 HOSTCFLAGS=$host_cflags
3002 HOSTEXESUF=$HOSTEXESUF
3003 HOSTLDFLAGS=$host_ldflags
3004 HOSTLIBS=$host_libs
3005 TARGET_EXEC=$target_exec
3006 TARGET_PATH=$target_path
3007 SDL_LIBS=$sdl_libs
3008 SDL_CFLAGS=$sdl_cflags
3009 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3010 EXTRALIBS=$extralibs
3011 INSTALL=install
3012 LIBTARGET=${LIBTARGET}
3013 SLIBNAME=${SLIBNAME}
3014 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3015 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3016 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3017 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3018 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3019 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3020 SAMPLES=$samples
3021 EOF
3022
3023 get_version(){
3024 name=$1
3025 file=$source_path/$2
3026 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3027 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3028 lcname=$(tolower $name)
3029 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3030 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3031 }
3032
3033 get_version LIBSWSCALE libswscale/swscale.h
3034 get_version LIBPOSTPROC libpostproc/postprocess.h
3035 get_version LIBAVCODEC libavcodec/avcodec.h
3036 get_version LIBAVDEVICE libavdevice/avdevice.h
3037 get_version LIBAVFORMAT libavformat/avformat.h
3038 get_version LIBAVUTIL libavutil/avutil.h
3039 get_version LIBAVFILTER libavfilter/avfilter.h
3040
3041 enabled asmalign_pot || align_shift="1 <<"
3042
3043 cat > $TMPH <<EOF
3044 /* Automatically generated by configure - do not modify! */
3045 #ifndef FFMPEG_CONFIG_H
3046 #define FFMPEG_CONFIG_H
3047 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3048 #define FFMPEG_LICENSE "$(c_escape $license)"
3049 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3050 #define CC_TYPE "$cc_type"
3051 #define CC_VERSION $cc_version
3052 #define restrict $_restrict
3053 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3054 #define EXTERN_PREFIX "${extern_prefix}"
3055 #define EXTERN_ASM ${extern_prefix}
3056 EOF
3057
3058 test -n "$malloc_prefix" &&
3059 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3060
3061 if enabled small || disabled optimizations; then
3062 echo "#undef av_always_inline" >> $TMPH
3063 echo "#define av_always_inline" >> $TMPH
3064 fi
3065
3066 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3067 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3068 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3069 $CONFIG_EXTRA \
3070 $DECODER_LIST \
3071 $ENCODER_LIST \
3072 $HWACCEL_LIST \
3073 $PARSER_LIST \
3074 $BSF_LIST \
3075 $DEMUXER_LIST \
3076 $MUXER_LIST \
3077 $FILTER_LIST \
3078 $PROTOCOL_LIST \
3079 $INDEV_LIST \
3080 $OUTDEV_LIST \
3081
3082 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3083 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3084
3085 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3086 cp_if_changed $TMPH config.h
3087
3088 cat > $TMPH <<EOF
3089 /* Generated by ffconf */
3090 #ifndef AVUTIL_AVCONFIG_H
3091 #define AVUTIL_AVCONFIG_H
3092 EOF
3093
3094 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3095
3096 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3097
3098 cp_if_changed $TMPH libavutil/avconfig.h
3099
3100 # build pkg-config files
3101
3102 pkgconfig_generate(){
3103 name=$1
3104 shortname=${name#lib}${build_suffix}
3105 comment=$2
3106 version=$3
3107 libs=$4
3108 requires=$5
3109 cat <<EOF > $name/$name.pc
3110 prefix=$prefix
3111 exec_prefix=\${prefix}
3112 libdir=$libdir
3113 includedir=$incdir
3114
3115 Name: $name
3116 Description: $comment
3117 Version: $version
3118 Requires: $(enabled shared || echo $requires)
3119 Requires.private: $(enabled shared && echo $requires)
3120 Conflicts:
3121 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3122 Libs.private: $(enabled shared && echo $libs)
3123 Cflags: -I\${includedir}
3124 EOF
3125 cat <<EOF > $name/$name-uninstalled.pc
3126 prefix=
3127 exec_prefix=
3128 libdir=\${pcfiledir}
3129 includedir=${source_path}
3130
3131 Name: $name
3132 Description: $comment
3133 Version: $version
3134 Requires: $requires
3135 Conflicts:
3136 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3137 Cflags: -I\${includedir}
3138 EOF
3139 }
3140
3141 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3142 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3143 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3144 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3145 enabled avfilter &&
3146 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3147 enabled postproc &&
3148 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3149 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"