3eaf14ffb2c873e4d1b8c3da53e02e5834345373
[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-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-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190 Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --enable-powerpc-perf enable performance report on PPC
216 (requires enabling PMC)
217 --disable-asm disable all assembler optimizations
218 --disable-altivec disable AltiVec optimizations
219 --disable-amd3dnow disable 3DNow! optimizations
220 --disable-amd3dnowext disable 3DNow! extended optimizations
221 --disable-mmx disable MMX optimizations
222 --disable-mmx2 disable MMX2 optimizations
223 --disable-sse disable SSE optimizations
224 --disable-ssse3 disable SSSE3 optimizations
225 --disable-armv5te disable armv5te optimizations
226 --disable-armv6 disable armv6 optimizations
227 --disable-armv6t2 disable armv6t2 optimizations
228 --disable-armvfp disable ARM VFP optimizations
229 --disable-iwmmxt disable iwmmxt optimizations
230 --disable-mmi disable MMI optimizations
231 --disable-neon disable neon optimizations
232 --disable-vis disable VIS optimizations
233 --disable-yasm disable use of yasm assembler
234 --enable-pic build position-independent code
235 --malloc-prefix=PFX prefix malloc and related names with PFX
236 --enable-sram allow use of on-chip SRAM
237
238 Developer options (useful when working on FFmpeg itself):
239 --disable-debug disable debugging symbols
240 --enable-debug=LEVEL set the debug level [$debuglevel]
241 --enable-gprof enable profiling with gprof [$gprof]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245
246 NOTE: Object files are built at the place where configure is launched.
247 EOF
248 exit 0
249 }
250
251 log(){
252 echo "$@" >> $logfile
253 }
254
255 log_file(){
256 log BEGIN $1
257 pr -n -t $1 >> $logfile
258 log END $1
259 }
260
261 echolog(){
262 log "$@"
263 echo "$@"
264 }
265
266 die(){
267 echolog "$@"
268 cat <<EOF
269
270 If you think configure made a mistake, make sure you are using the latest
271 version from SVN. If the latest version fails, report the problem to the
272 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
273 EOF
274 if disabled logging; then
275 cat <<EOF
276 Rerun configure with logging enabled (do not use --disable-logging), and
277 include the log this produces with your report.
278 EOF
279 else
280 cat <<EOF
281 Include the log file "$logfile" produced by configure as this will help
282 solving the problem.
283 EOF
284 fi
285 exit 1
286 }
287
288 # Avoid locale weirdness, besides we really just want to translate ASCII.
289 toupper(){
290 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
291 }
292
293 tolower(){
294 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
295 }
296
297 c_escape(){
298 echo "$*" | sed 's/["\\]/\\\0/g'
299 }
300
301 sh_quote(){
302 v=$(echo "$1" | sed "s/'/'\\\\''/g")
303 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
304 echo "$v"
305 }
306
307 filter(){
308 pat=$1
309 shift
310 for v; do
311 eval "case $v in $pat) echo $v ;; esac"
312 done
313 }
314
315 set_all(){
316 value=$1
317 shift
318 for var in $*; do
319 eval $var=$value
320 done
321 }
322
323 set_weak(){
324 value=$1
325 shift
326 for var; do
327 eval : \${$var:=$value}
328 done
329 }
330
331 pushvar(){
332 for var in $*; do
333 eval level=\${${var}_level:=0}
334 eval ${var}_${level}="\$$var"
335 eval ${var}_level=$(($level+1))
336 done
337 }
338
339 popvar(){
340 for var in $*; do
341 eval level=\${${var}_level:-0}
342 test $level = 0 && continue
343 eval level=$(($level-1))
344 eval $var="\${${var}_${level}}"
345 eval ${var}_level=$level
346 eval unset ${var}_${level}
347 done
348 }
349
350 enable(){
351 set_all yes $*
352 }
353
354 disable(){
355 set_all no $*
356 }
357
358 enable_weak(){
359 set_weak yes $*
360 }
361
362 disable_weak(){
363 set_weak no $*
364 }
365
366 enable_safe(){
367 for var; do
368 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369 done
370 }
371
372 disable_safe(){
373 for var; do
374 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
375 done
376 }
377
378 do_enable_deep(){
379 for var; do
380 enabled $var && continue
381 eval sel="\$${var}_select"
382 eval sgs="\$${var}_suggest"
383 pushvar var sgs
384 enable_deep $sel
385 popvar sgs
386 enable_deep_weak $sgs
387 popvar var
388 done
389 }
390
391 enable_deep(){
392 do_enable_deep $*
393 enable $*
394 }
395
396 enable_deep_weak(){
397 do_enable_deep $*
398 enable_weak $*
399 }
400
401 enabled(){
402 test "${1#!}" = "$1" && op== || op=!=
403 eval test "x\$${1#!}" $op "xyes"
404 }
405
406 disabled(){
407 test "${1#!}" = "$1" && op== || op=!=
408 eval test "x\$${1#!}" $op "xno"
409 }
410
411 enabled_all(){
412 for opt; do
413 enabled $opt || return 1
414 done
415 }
416
417 disabled_all(){
418 for opt; do
419 disabled $opt || return 1
420 done
421 }
422
423 enabled_any(){
424 for opt; do
425 enabled $opt && return 0
426 done
427 }
428
429 disabled_any(){
430 for opt; do
431 disabled $opt && return 0
432 done
433 return 1
434 }
435
436 set_default(){
437 for opt; do
438 eval : \${$opt:=\$${opt}_default}
439 done
440 }
441
442 is_in(){
443 value=$1
444 shift
445 for var in $*; do
446 [ $var = $value ] && return 0
447 done
448 return 1
449 }
450
451 check_deps(){
452 for cfg; do
453 cfg="${cfg#!}"
454 enabled ${cfg}_checking && die "Circular dependency for $cfg."
455 disabled ${cfg}_checking && continue
456 enable ${cfg}_checking
457
458 eval dep_all="\$${cfg}_deps"
459 eval dep_any="\$${cfg}_deps_any"
460 eval dep_sel="\$${cfg}_select"
461 eval dep_sgs="\$${cfg}_suggest"
462 eval dep_ifa="\$${cfg}_if"
463 eval dep_ifn="\$${cfg}_if_any"
464
465 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
466 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
467 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
468
469 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
470 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
471 enabled_all $dep_all || disable $cfg
472 enabled_any $dep_any || disable $cfg
473 disabled_any $dep_sel && disable $cfg
474
475 if enabled $cfg; then
476 eval dep_extralibs="\$${cfg}_extralibs"
477 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
478 enable_deep $dep_sel
479 enable_deep_weak $dep_sgs
480 fi
481
482 disable ${cfg}_checking
483 done
484 }
485
486 print_config(){
487 pfx=$1
488 header=$2
489 makefile=$3
490 shift 3
491 for cfg; do
492 ucname="$(toupper $cfg)"
493 if enabled $cfg; then
494 echo "#define ${pfx}${ucname} 1" >> $header
495 echo "${pfx}${ucname}=yes" >> $makefile
496 else
497 echo "#define ${pfx}${ucname} 0" >> $header
498 echo "!${pfx}${ucname}=yes" >> $makefile
499 fi
500 done
501 }
502
503 flags_saved(){
504 (: ${SAVE_CFLAGS?}) 2> /dev/null
505 }
506
507 save_flags(){
508 flags_saved && return
509 SAVE_CFLAGS="$CFLAGS"
510 SAVE_LDFLAGS="$LDFLAGS"
511 SAVE_extralibs="$extralibs"
512 }
513
514 restore_flags(){
515 flags_saved || return
516 CFLAGS="$SAVE_CFLAGS"
517 LDFLAGS="$SAVE_LDFLAGS"
518 extralibs="$SAVE_extralibs"
519 unset SAVE_CFLAGS
520 unset SAVE_LDFLAGS
521 unset SAVE_extralibs
522 }
523
524 temp_cflags(){
525 save_flags
526 CFLAGS="$CFLAGS $*"
527 }
528
529 temp_ldflags(){
530 save_flags
531 LDFLAGS="$LDFLAGS $*"
532 }
533
534 temp_extralibs(){
535 save_flags
536 extralibs="$extralibs $*"
537 }
538
539 append(){
540 var=$1
541 shift
542 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
543 eval "$var=\"\$$var $*\""
544 }
545
546 add_cppflags(){
547 append CPPFLAGS $($filter_cppflags "$@")
548 }
549
550 add_cflags(){
551 append CFLAGS $($filter_cflags "$@")
552 }
553
554 add_asflags(){
555 append ASFLAGS $($filter_asflags "$@")
556 }
557
558 add_ldflags(){
559 append LDFLAGS "$@"
560 }
561
562 add_extralibs(){
563 append extralibs "$@"
564 }
565
566 check_cmd(){
567 log "$@"
568 "$@" >> $logfile 2>&1
569 }
570
571 check_cc(){
572 log check_cc "$@"
573 cat > $TMPC
574 log_file $TMPC
575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
576 }
577
578 check_cpp(){
579 log check_cpp "$@"
580 cat > $TMPC
581 log_file $TMPC
582 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
583 }
584
585 check_as(){
586 log check_as "$@"
587 cat > $TMPC
588 log_file $TMPC
589 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
590 }
591
592 check_asm(){
593 log check_asm "$@"
594 name="$1"
595 code="$2"
596 shift 2
597 disable $name
598 check_as "$@" <<EOF && enable $name
599 void foo(void){ __asm__ volatile($code); }
600 EOF
601 }
602
603 check_yasm(){
604 log check_yasm "$@"
605 echo "$1" > $TMPS
606 log_file $TMPS
607 shift 1
608 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
609 }
610
611 check_ld(){
612 log check_ld "$@"
613 flags=''
614 libs=''
615 for f; do
616 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
617 done
618 check_cc $($filter_cflags $flags) || return
619 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
620 }
621
622 check_cppflags(){
623 log check_cppflags "$@"
624 set -- $($filter_cppflags "$@")
625 check_cc "$@" <<EOF && append CPPFLAGS "$@"
626 int x;
627 EOF
628 }
629
630 check_cflags(){
631 log check_cflags "$@"
632 set -- $($filter_cflags "$@")
633 check_cc "$@" <<EOF && append CFLAGS "$@"
634 int x;
635 EOF
636 }
637
638 test_ldflags(){
639 log test_ldflags "$@"
640 check_ld "$@" <<EOF
641 int main(void){ return 0; }
642 EOF
643 }
644
645 check_ldflags(){
646 log check_ldflags "$@"
647 test_ldflags "$@" && add_ldflags "$@"
648 }
649
650 check_header(){
651 log check_header "$@"
652 header=$1
653 shift
654 disable_safe $header
655 check_cpp "$@" <<EOF && enable_safe $header
656 #include <$header>
657 int x;
658 EOF
659 }
660
661 check_func(){
662 log check_func "$@"
663 func=$1
664 shift
665 disable $func
666 check_ld "$@" <<EOF && enable $func
667 extern int $func();
668 int main(void){ $func(); }
669 EOF
670 }
671
672 check_mathfunc(){
673 log check_mathfunc "$@"
674 func=$1
675 shift
676 disable $func
677 check_ld "$@" <<EOF && enable $func
678 #include <math.h>
679 float foo(float f) { return $func(f); }
680 int main(void){ return 0; }
681 EOF
682 }
683
684 check_func_headers(){
685 log check_func_headers "$@"
686 headers=$1
687 func=$2
688 shift 2
689 disable $func
690 incs=""
691 for hdr in $headers; do
692 incs="$incs
693 #include <$hdr>"
694 done
695 check_ld "$@" <<EOF && enable $func && enable_safe $headers
696 $incs
697 int main(int argc, char **argv){
698 return (long) $func;
699 }
700 EOF
701 }
702
703 check_cpp_condition(){
704 log check_cpp_condition "$@"
705 header=$1
706 condition=$2
707 shift 2
708 check_cpp $($filter_cppflags "$@") <<EOF
709 #include <$header>
710 #if !($condition)
711 #error "unsatisfied condition: $condition"
712 #endif
713 EOF
714 }
715
716 check_lib(){
717 log check_lib "$@"
718 header="$1"
719 func="$2"
720 shift 2
721 temp_extralibs "$@"
722 check_header $header && check_func $func && add_extralibs "$@"
723 err=$?
724 restore_flags
725 return $err
726 }
727
728 check_lib2(){
729 log check_lib2 "$@"
730 headers="$1"
731 func="$2"
732 shift 2
733 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
734 }
735
736 check_exec(){
737 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
738 }
739
740 check_exec_crash(){
741 code=$(cat)
742
743 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
744 # are safe but may not be available everywhere. Thus we use
745 # raise(SIGTERM) instead. The check is run in a subshell so we
746 # can redirect the "Terminated" message from the shell. SIGBUS
747 # is not defined by standard C so it is used conditionally.
748
749 (check_exec "$@") >> $logfile 2>&1 <<EOF
750 #include <signal.h>
751 static void sighandler(int sig){
752 raise(SIGTERM);
753 }
754 int main(void){
755 signal(SIGILL, sighandler);
756 signal(SIGFPE, sighandler);
757 signal(SIGSEGV, sighandler);
758 #ifdef SIGBUS
759 signal(SIGBUS, sighandler);
760 #endif
761 { $code }
762 }
763 EOF
764 }
765
766 check_type(){
767 log check_type "$@"
768 headers=$1
769 type=$2
770 shift 2
771 disable_safe "$type"
772 incs=""
773 for hdr in $headers; do
774 incs="$incs
775 #include <$hdr>"
776 done
777 check_cc "$@" <<EOF && enable_safe "$type"
778 $incs
779 $type v;
780 EOF
781 }
782
783 check_struct(){
784 log check_type "$@"
785 headers=$1
786 struct=$2
787 member=$3
788 shift 3
789 disable_safe "${struct}_${member}"
790 incs=""
791 for hdr in $headers; do
792 incs="$incs
793 #include <$hdr>"
794 done
795 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
796 $incs
797 const void *p = &(($struct *)0)->$member;
798 EOF
799 }
800
801 require(){
802 name="$1"
803 header="$2"
804 func="$3"
805 shift 3
806 check_lib $header $func "$@" || die "ERROR: $name not found"
807 }
808
809 require2(){
810 name="$1"
811 headers="$2"
812 func="$3"
813 shift 3
814 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
815 }
816
817 check_foo_config(){
818 cfg=$1
819 pkg=$2
820 header=$3
821 func=$4
822 shift 4
823 disable $cfg
824 check_cmd ${pkg}-config --version
825 err=$?
826 if test "$err" = 0; then
827 temp_cflags $(${pkg}-config --cflags)
828 temp_extralibs $(${pkg}-config --libs)
829 check_lib "$@" $header $func && enable $cfg
830 fi
831 return $err
832 }
833
834 check_host_cc(){
835 log check_host_cc "$@"
836 cat > $TMPC
837 log_file $TMPC
838 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
839 }
840
841 check_host_cflags(){
842 log check_host_cflags "$@"
843 check_host_cc "$@" <<EOF && append host_cflags "$@"
844 int x;
845 EOF
846 }
847
848 apply(){
849 file=$1
850 shift
851 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
852 }
853
854 cp_if_changed(){
855 cmp -s "$1" "$2" &&
856 echo "$2 is unchanged" ||
857 cp -f "$1" "$2"
858 }
859
860 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
861 # system-dependent things.
862
863 COMPONENT_LIST="
864 bsfs
865 decoders
866 demuxers
867 encoders
868 filters
869 hwaccels
870 indevs
871 muxers
872 outdevs
873 parsers
874 protocols
875 "
876
877 CONFIG_LIST="
878 $COMPONENT_LIST
879 aandct
880 avcodec
881 avdevice
882 avfilter
883 avfilter_lavf
884 avformat
885 avisynth
886 beos_netserver
887 bzlib
888 dct
889 doc
890 dxva2
891 fastdiv
892 ffmpeg
893 ffplay
894 ffprobe
895 ffserver
896 fft
897 golomb
898 gpl
899 gprof
900 gray
901 hardcoded_tables
902 libdc1394
903 libdirac
904 libfaac
905 libfaad
906 libfaadbin
907 libgsm
908 libmp3lame
909 libnut
910 libopencore_amrnb
911 libopencore_amrwb
912 libopenjpeg
913 libschroedinger
914 libspeex
915 libtheora
916 libvorbis
917 libx264
918 libxvid
919 lpc
920 mdct
921 memalign_hack
922 mlib
923 mpegaudio_hp
924 network
925 nonfree
926 pic
927 postproc
928 powerpc_perf
929 rdft
930 runtime_cpudetect
931 shared
932 small
933 sram
934 static
935 swscale
936 swscale_alpha
937 vaapi
938 vdpau
939 version3
940 x11grab
941 zlib
942 "
943
944 THREADS_LIST='
945 beosthreads
946 os2threads
947 pthreads
948 w32threads
949 '
950
951 ARCH_LIST='
952 alpha
953 arm
954 avr32
955 avr32_ap
956 avr32_uc
957 bfin
958 ia64
959 m68k
960 mips
961 mips64
962 parisc
963 ppc
964 ppc64
965 s390
966 sh4
967 sparc
968 sparc64
969 tomi
970 x86
971 x86_32
972 x86_64
973 '
974
975 ARCH_EXT_LIST='
976 altivec
977 amd3dnow
978 amd3dnowext
979 armv5te
980 armv6
981 armv6t2
982 armvfp
983 iwmmxt
984 mmi
985 mmx
986 mmx2
987 neon
988 ppc4xx
989 sse
990 ssse3
991 vis
992 '
993
994 HAVE_LIST_PUB='
995 bigendian
996 '
997
998 HAVE_LIST="
999 $ARCH_EXT_LIST
1000 $HAVE_LIST_PUB
1001 $THREADS_LIST
1002 alsa_asoundlib_h
1003 altivec_h
1004 arpa_inet_h
1005 attribute_may_alias
1006 attribute_packed
1007 bswap
1008 closesocket
1009 cmov
1010 conio_h
1011 dcbzl
1012 dev_bktr_ioctl_bt848_h
1013 dev_bktr_ioctl_meteor_h
1014 dev_ic_bt8xx_h
1015 dev_video_meteor_ioctl_meteor_h
1016 dev_video_bktr_ioctl_bt848_h
1017 dlfcn_h
1018 dlopen
1019 dos_paths
1020 ebp_available
1021 ebx_available
1022 exp2
1023 exp2f
1024 fast_64bit
1025 fast_clz
1026 fast_cmov
1027 fast_unaligned
1028 fork
1029 getaddrinfo
1030 gethrtime
1031 GetProcessMemoryInfo
1032 GetProcessTimes
1033 getrusage
1034 struct_rusage_ru_maxrss
1035 inet_aton
1036 inline_asm
1037 isatty
1038 ldbrx
1039 libdc1394_1
1040 libdc1394_2
1041 llrint
1042 local_aligned_16
1043 local_aligned_8
1044 log2
1045 log2f
1046 loongson
1047 lrint
1048 lrintf
1049 lzo1x_999_compress
1050 machine_ioctl_bt848_h
1051 machine_ioctl_meteor_h
1052 malloc_h
1053 memalign
1054 mkstemp
1055 pld
1056 posix_memalign
1057 round
1058 roundf
1059 sdl
1060 sdl_video_size
1061 setmode
1062 socklen_t
1063 soundcard_h
1064 poll_h
1065 setrlimit
1066 struct_addrinfo
1067 struct_ipv6_mreq
1068 struct_sockaddr_in6
1069 struct_sockaddr_sa_len
1070 struct_sockaddr_storage
1071 sys_mman_h
1072 sys_resource_h
1073 sys_select_h
1074 sys_soundcard_h
1075 sys_videoio_h
1076 ten_operands
1077 termios_h
1078 threads
1079 truncf
1080 vfp_args
1081 VirtualAlloc
1082 winsock2_h
1083 xform_asm
1084 yasm
1085 "
1086
1087 # options emitted with CONFIG_ prefix but not available on command line
1088 CONFIG_EXTRA="
1089 avutil
1090 gplv3
1091 lgplv3
1092 "
1093
1094 CMDLINE_SELECT="
1095 $ARCH_EXT_LIST
1096 $CONFIG_LIST
1097 $THREADS_LIST
1098 asm
1099 cross_compile
1100 debug
1101 extra_warnings
1102 logging
1103 optimizations
1104 stripping
1105 yasm
1106 "
1107
1108 PATHS_LIST='
1109 bindir
1110 datadir
1111 incdir
1112 libdir
1113 mandir
1114 prefix
1115 shlibdir
1116 '
1117
1118 CMDLINE_SET="
1119 $PATHS_LIST
1120 arch
1121 as
1122 build_suffix
1123 cc
1124 cpu
1125 cross_prefix
1126 dep_cc
1127 extra_version
1128 host_cc
1129 host_cflags
1130 host_ldflags
1131 host_libs
1132 host_os
1133 ld
1134 logfile
1135 malloc_prefix
1136 nm
1137 source_path
1138 strip
1139 sysinclude
1140 sysroot
1141 target_exec
1142 target_os
1143 target_path
1144 "
1145
1146 CMDLINE_APPEND="
1147 extra_cflags
1148 "
1149
1150 # code dependency declarations
1151
1152 # architecture extensions
1153
1154 armv5te_deps="arm"
1155 armv6_deps="arm"
1156 armv6t2_deps="arm"
1157 armvfp_deps="arm"
1158 iwmmxt_deps="arm"
1159 neon_deps="arm"
1160
1161 mmi_deps="mips"
1162
1163 altivec_deps="ppc"
1164 ppc4xx_deps="ppc"
1165
1166 vis_deps="sparc"
1167
1168 x86_64_suggest="cmov fast_cmov"
1169 amd3dnow_deps="mmx"
1170 amd3dnowext_deps="amd3dnow"
1171 mmx_deps="x86"
1172 mmx2_deps="mmx"
1173 sse_deps="mmx"
1174 ssse3_deps="sse"
1175
1176 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1177 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1178 fast_unaligned_if_any="armv6 ppc x86"
1179
1180 need_memalign="altivec neon sse"
1181 inline_asm_deps="!tms470"
1182
1183 # subsystems
1184 mdct_select="fft"
1185 rdft_select="fft"
1186
1187 # decoders / encoders / hardware accelerators
1188 aac_decoder_select="mdct aac_parser"
1189 aac_encoder_select="mdct"
1190 ac3_decoder_select="mdct ac3_parser"
1191 alac_encoder_select="lpc"
1192 atrac1_decoder_select="mdct"
1193 atrac3_decoder_select="mdct"
1194 binkaudio_dct_decoder_select="mdct rdft dct"
1195 binkaudio_rdft_decoder_select="mdct rdft"
1196 cavs_decoder_select="golomb"
1197 cook_decoder_select="mdct"
1198 cscd_decoder_suggest="zlib"
1199 dca_decoder_select="mdct"
1200 dnxhd_encoder_select="aandct"
1201 dxa_decoder_select="zlib"
1202 eac3_decoder_select="ac3_decoder"
1203 eamad_decoder_select="aandct"
1204 eatgq_decoder_select="aandct"
1205 eatqi_decoder_select="aandct"
1206 ffv1_decoder_select="golomb"
1207 flac_decoder_select="golomb"
1208 flac_encoder_select="golomb lpc"
1209 flashsv_decoder_select="zlib"
1210 flashsv_encoder_select="zlib"
1211 flv_decoder_select="h263_decoder"
1212 flv_encoder_select="h263_encoder"
1213 h261_encoder_select="aandct"
1214 h263_decoder_select="h263_parser"
1215 h263_encoder_select="aandct"
1216 h263_vaapi_hwaccel_deps="va_va_h"
1217 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1218 h263i_decoder_select="h263_decoder"
1219 h263p_encoder_select="h263_encoder"
1220 h264_decoder_select="golomb"
1221 h264_dxva2_hwaccel_deps="dxva2api_h"
1222 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1223 h264_vaapi_hwaccel_deps="va_va_h"
1224 h264_vaapi_hwaccel_select="vaapi"
1225 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1226 h264_vdpau_decoder_select="vdpau h264_decoder"
1227 imc_decoder_select="fft mdct"
1228 jpegls_decoder_select="golomb"
1229 jpegls_encoder_select="golomb"
1230 ljpeg_encoder_select="aandct"
1231 loco_decoder_select="golomb"
1232 mjpeg_encoder_select="aandct"
1233 mlp_decoder_select="mlp_parser"
1234 mpeg1video_encoder_select="aandct"
1235 mpeg2video_encoder_select="aandct"
1236 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1237 mpeg4_encoder_select="h263_encoder"
1238 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1239 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1240 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1241 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1242 mpeg2_vaapi_hwaccel_deps="va_va_h"
1243 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1244 mpeg4_vaapi_hwaccel_deps="va_va_h"
1245 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1246 mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1247 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1248 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1249 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1250 msmpeg4v1_decoder_select="h263_decoder"
1251 msmpeg4v1_encoder_select="h263_encoder"
1252 msmpeg4v2_decoder_select="h263_decoder"
1253 msmpeg4v2_encoder_select="h263_encoder"
1254 msmpeg4v3_decoder_select="h263_decoder"
1255 msmpeg4v3_encoder_select="h263_encoder"
1256 nellymoser_decoder_select="mdct"
1257 nellymoser_encoder_select="mdct"
1258 png_decoder_select="zlib"
1259 png_encoder_select="zlib"
1260 qdm2_decoder_select="mdct rdft"
1261 rv10_decoder_select="h263_decoder"
1262 rv10_encoder_select="h263_encoder"
1263 rv20_decoder_select="h263_decoder"
1264 rv20_encoder_select="h263_encoder"
1265 rv30_decoder_select="golomb"
1266 rv40_decoder_select="golomb"
1267 shorten_decoder_select="golomb"
1268 snow_encoder_select="aandct"
1269 sonic_decoder_select="golomb"
1270 sonic_encoder_select="golomb"
1271 sonic_ls_encoder_select="golomb"
1272 svq1_encoder_select="aandct"
1273 svq3_decoder_select="golomb"
1274 svq3_decoder_suggest="zlib"
1275 theora_decoder_select="vp3_decoder"
1276 tiff_decoder_suggest="zlib"
1277 tiff_encoder_suggest="zlib"
1278 truehd_decoder_select="mlp_decoder"
1279 tscc_decoder_select="zlib"
1280 twinvq_decoder_select="mdct"
1281 vc1_decoder_select="h263_decoder"
1282 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1283 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1284 vc1_vaapi_hwaccel_deps="va_va_h"
1285 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1286 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1287 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1288 vorbis_decoder_select="mdct"
1289 vorbis_encoder_select="mdct"
1290 vp6a_decoder_select="vp6_decoder"
1291 vp6f_decoder_select="vp6_decoder"
1292 wmapro_decoder_select="mdct"
1293 wmav1_decoder_select="mdct"
1294 wmav1_encoder_select="mdct"
1295 wmav2_decoder_select="mdct"
1296 wmav2_encoder_select="mdct"
1297 wmv1_decoder_select="h263_decoder"
1298 wmv1_encoder_select="h263_encoder"
1299 wmv2_decoder_select="h263_decoder"
1300 wmv2_encoder_select="h263_encoder"
1301 wmv3_decoder_select="vc1_decoder"
1302 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1303 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1304 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1305 zlib_decoder_select="zlib"
1306 zlib_encoder_select="zlib"
1307 zmbv_decoder_select="zlib"
1308 zmbv_encoder_select="zlib"
1309
1310 # parsers
1311 h264_parser_select="golomb"
1312
1313 # bitstream_filters
1314 aac_adtstoasc_bsf_select="aac_parser"
1315
1316 # external libraries
1317 libdirac_decoder_deps="libdirac !libschroedinger"
1318 libdirac_encoder_deps="libdirac"
1319 libfaac_encoder_deps="libfaac"
1320 libfaad_decoder_deps="libfaad"
1321 libfaadbin_decoder_extralibs='$ldl'
1322 libgsm_decoder_deps="libgsm"
1323 libgsm_encoder_deps="libgsm"
1324 libgsm_ms_decoder_deps="libgsm"
1325 libgsm_ms_encoder_deps="libgsm"
1326 libmp3lame_encoder_deps="libmp3lame"
1327 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1328 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1329 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1330 libopenjpeg_decoder_deps="libopenjpeg"
1331 libschroedinger_decoder_deps="libschroedinger"
1332 libschroedinger_encoder_deps="libschroedinger"
1333 libspeex_decoder_deps="libspeex"
1334 libtheora_encoder_deps="libtheora"
1335 libvorbis_encoder_deps="libvorbis"
1336 libx264_encoder_deps="libx264"
1337 libxvid_encoder_deps="libxvid"
1338
1339 # demuxers / muxers
1340 ac3_demuxer_deps="ac3_parser"
1341 asf_stream_muxer_select="asf_muxer"
1342 avisynth_demuxer_deps="avisynth"
1343 dirac_demuxer_deps="dirac_parser"
1344 eac3_demuxer_select="ac3_parser"
1345 ipod_muxer_select="mov_muxer"
1346 libnut_demuxer_deps="libnut"
1347 libnut_muxer_deps="libnut"
1348 matroska_audio_muxer_select="matroska_muxer"
1349 matroska_demuxer_suggest="zlib bzlib"
1350 mov_demuxer_suggest="zlib"
1351 mp3_demuxer_deps="mpegaudio_parser"
1352 mp4_muxer_select="mov_muxer"
1353 mpegtsraw_demuxer_select="mpegts_demuxer"
1354 mxf_d10_muxer_select="mxf_muxer"
1355 ogg_demuxer_select="golomb"
1356 psp_muxer_select="mov_muxer"
1357 rtsp_demuxer_deps="sdp_demuxer"
1358 rtsp_muxer_deps="sdp_demuxer"
1359 rtsp_muxer_select="rtp_muxer"
1360 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1361 spdif_muxer_select="aac_parser"
1362 tg2_muxer_select="mov_muxer"
1363 tgp_muxer_select="mov_muxer"
1364 w64_demuxer_deps="wav_demuxer"
1365
1366 # indevs / outdevs
1367 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1368 alsa_indev_extralibs="-lasound"
1369 alsa_outdev_deps="alsa_asoundlib_h"
1370 alsa_outdev_extralibs="-lasound"
1371 audio_beos_indev_deps="audio_beos"
1372 audio_beos_indev_extralibs="-lmedia -lbe"
1373 audio_beos_outdev_deps="audio_beos"
1374 audio_beos_outdev_extralibs="-lmedia -lbe"
1375 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1376 dv1394_indev_deps="dv1394 dv_demuxer"
1377 jack_indev_deps="jack_jack_h"
1378 jack_indev_extralibs="-ljack"
1379 libdc1394_indev_deps="libdc1394"
1380 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1381 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1382 v4l_indev_deps="linux_videodev_h"
1383 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1384 vfwcap_indev_deps="capCreateCaptureWindow"
1385 vfwcap_indev_extralibs="-lavicap32"
1386 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1387 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1388
1389 # protocols
1390 gopher_protocol_deps="network"
1391 http_protocol_deps="network"
1392 rtmp_protocol_deps="tcp_protocol"
1393 rtp_protocol_deps="udp_protocol"
1394 tcp_protocol_deps="network"
1395 udp_protocol_deps="network"
1396
1397 # filters
1398 movie_filter_deps="avfilter_lavf"
1399 avfilter_lavf_deps="avformat"
1400
1401 # libraries
1402 avdevice_deps="avcodec avformat"
1403 avformat_deps="avcodec"
1404
1405 # programs
1406 ffmpeg_deps="avcodec avformat swscale"
1407 ffplay_deps="avcodec avformat swscale sdl"
1408 ffplay_select="rdft"
1409 ffprobe_deps="avcodec avformat"
1410 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1411 ffserver_extralibs='$ldl'
1412
1413 doc_deps="texi2html"
1414
1415 # default parameters
1416
1417 logfile="config.err"
1418
1419 # installation paths
1420 prefix_default="/usr/local"
1421 bindir_default='${prefix}/bin'
1422 datadir_default='${prefix}/share/ffmpeg'
1423 incdir_default='${prefix}/include'
1424 libdir_default='${prefix}/lib'
1425 mandir_default='${prefix}/share/man'
1426 shlibdir_default="$libdir_default"
1427
1428 # toolchain
1429 ar="ar"
1430 cc_default="gcc"
1431 cc_version=\"unknown\"
1432 host_cc_default="gcc"
1433 ln_s="ln -sf"
1434 nm_default="nm"
1435 objformat="elf"
1436 ranlib="ranlib"
1437 strip_default="strip"
1438 yasmexe="yasm"
1439
1440 nm_opts='-g'
1441
1442 # machine
1443 arch_default=$(uname -m)
1444 cpu="generic"
1445
1446 # OS
1447 target_os_default=$(tolower $(uname -s))
1448 host_os=$target_os_default
1449
1450 # configurable options
1451 enable avcodec
1452 enable avdevice
1453 enable avformat
1454 enable avutil
1455 enable asm
1456 enable debug
1457 enable doc
1458 enable fastdiv
1459 enable ffmpeg
1460 enable ffplay
1461 enable ffprobe
1462 enable ffserver
1463 enable mpegaudio_hp
1464 enable network
1465 enable optimizations
1466 enable protocols
1467 enable static
1468 enable stripping
1469 enable swscale
1470 enable swscale_alpha
1471
1472 # build settings
1473 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1474 FFSERVERLDFLAGS=-Wl,-E
1475 LIBPREF="lib"
1476 LIBSUF=".a"
1477 FULLNAME='$(NAME)$(BUILDSUF)'
1478 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1479 SLIBPREF="lib"
1480 SLIBSUF=".so"
1481 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1482 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1483 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1484 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1485
1486 CC_O='-o $@'
1487
1488 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1489 host_libs='-lm'
1490
1491 target_path='$(CURDIR)'
1492
1493 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1494 # full relative path for objects in subdirectories for non-recursive Make.
1495 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1496 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1497
1498 # find source path
1499 source_path="$(dirname "$0")"
1500 enable source_path_used
1501 if test -f configure; then
1502 source_path="$(pwd)"
1503 disable source_path_used
1504 else
1505 source_path="$(cd "$source_path"; pwd)"
1506 echo "$source_path" | grep -q '[[:blank:]]' &&
1507 die "Out of tree builds are impossible with whitespace in source path."
1508 test -e "$source_path/config.h" &&
1509 die "Out of tree builds are impossible with config.h in source dir."
1510 fi
1511
1512 for v in "$@"; do
1513 r=${v#*=}
1514 l=${v%"$r"}
1515 r=$(sh_quote "$r")
1516 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1517 done
1518
1519 find_things(){
1520 thing=$1
1521 pattern=$2
1522 file=$source_path/$3
1523 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1524 }
1525
1526 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1527 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1528 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1529 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1530 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1531 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1532 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1533 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1534 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1535 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1536 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1537
1538 enable $ARCH_EXT_LIST \
1539 $DECODER_LIST \
1540 $ENCODER_LIST \
1541 $HWACCEL_LIST \
1542 $PARSER_LIST \
1543 $BSF_LIST \
1544 $DEMUXER_LIST \
1545 $MUXER_LIST \
1546 $FILTER_LIST \
1547 $PROTOCOL_LIST \
1548 $INDEV_LIST \
1549 $OUTDEV_LIST \
1550
1551 die_unknown(){
1552 echo "Unknown option \"$1\"."
1553 echo "See $0 --help for available options."
1554 exit 1
1555 }
1556
1557 show_list() {
1558 suffix=_$1
1559 shift
1560 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1561 exit 0
1562 }
1563
1564 for opt do
1565 optval="${opt#*=}"
1566 case "$opt" in
1567 --extra-ldflags=*) add_ldflags $optval
1568 ;;
1569 --extra-libs=*) add_extralibs $optval
1570 ;;
1571 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1572 ;;
1573 --enable-debug=*) debuglevel="$optval"
1574 ;;
1575 --enable-*=*|--disable-*=*)
1576 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1577 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1578 eval list=\$$(toupper $thing)_LIST
1579 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1580 $action $(filter "$name" $list)
1581 ;;
1582 --enable-?*|--disable-?*)
1583 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1584 if is_in $option $COMPONENT_LIST; then
1585 test $action = disable && action=unset
1586 eval $action \$$(toupper ${option%s})_LIST
1587 elif is_in $option $CMDLINE_SELECT; then
1588 $action $option
1589 else
1590 die_unknown $opt
1591 fi
1592 ;;
1593 --list-*)
1594 NAME="${opt#--list-}"
1595 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1596 NAME=${NAME%s}
1597 eval show_list $NAME \$$(toupper $NAME)_LIST
1598 ;;
1599 --help|-h) show_help
1600 ;;
1601 *)
1602 optname="${opt%%=*}"
1603 optname="${optname#--}"
1604 optname=$(echo "$optname" | sed 's/-/_/g')
1605 if is_in $optname $CMDLINE_SET; then
1606 eval $optname='$optval'
1607 elif is_in $optname $CMDLINE_APPEND; then
1608 append $optname "$optval"
1609 else
1610 die_unknown $opt
1611 fi
1612 ;;
1613 esac
1614 done
1615
1616 disabled logging && logfile=/dev/null
1617
1618 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1619 set >> $logfile
1620
1621 test -n "$cross_prefix" && enable cross_compile
1622
1623 if enabled cross_compile; then
1624 test -n "$arch" && test -n "$target_os" ||
1625 die "Must specify target arch and OS when cross-compiling"
1626 fi
1627
1628 set_default arch target_os
1629
1630 ar="${cross_prefix}${ar}"
1631 cc_default="${cross_prefix}${cc_default}"
1632 nm_default="${cross_prefix}${nm_default}"
1633 ranlib="${cross_prefix}${ranlib}"
1634 strip_default="${cross_prefix}${strip_default}"
1635
1636 sysinclude_default="${sysroot}/usr/include"
1637
1638 set_default cc nm strip sysinclude
1639 enabled cross_compile || host_cc_default=$cc
1640 set_default host_cc
1641
1642 exesuf() {
1643 case $1 in
1644 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1645 esac
1646 }
1647
1648 EXESUF=$(exesuf $target_os)
1649 HOSTEXESUF=$(exesuf $host_os)
1650
1651 # set temporary file name
1652 : ${TMPDIR:=$TEMPDIR}
1653 : ${TMPDIR:=$TMP}
1654 : ${TMPDIR:=/tmp}
1655
1656 if ! check_cmd type mktemp; then
1657 # simple replacement for missing mktemp
1658 # NOT SAFE FOR GENERAL USE
1659 mktemp(){
1660 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1661 }
1662 fi
1663
1664 tmpfile(){
1665 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1666 (set -C; exec > $tmp) 2>/dev/null ||
1667 die "Unable to create temporary file in $TMPDIR."
1668 append TMPFILES $tmp
1669 eval $1=$tmp
1670 }
1671
1672 trap 'rm -f -- $TMPFILES' EXIT
1673 trap exit HUP INT TERM
1674
1675 tmpfile TMPC .c
1676 tmpfile TMPE $EXESUF
1677 tmpfile TMPH .h
1678 tmpfile TMPO .o
1679 tmpfile TMPS .S
1680 tmpfile TMPV .ver
1681 tmpfile TMPSH .sh
1682
1683 unset -f mktemp
1684
1685 # make sure we can execute files in $TMPDIR
1686 cat > $TMPSH 2>> $logfile <<EOF
1687 #! /bin/sh
1688 EOF
1689 chmod +x $TMPSH >> $logfile 2>&1
1690 if ! $TMPSH >> $logfile 2>&1; then
1691 cat <<EOF
1692 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1693 variable to another directory and make sure that it is not mounted noexec.
1694 EOF
1695 die "Sanity test failed."
1696 fi
1697
1698 filter_cflags=echo
1699 filter_cppflags=echo
1700 filter_asflags=echo
1701
1702 if $cc -v 2>&1 | grep -qi ^gcc; then
1703 cc_type=gcc
1704 cc_version=__VERSION__
1705 if ! $cc -dumpversion | grep -q '^2\.'; then
1706 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1707 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1708 fi
1709 speed_cflags='-O3'
1710 size_cflags='-Os'
1711 elif $cc --version 2>/dev/null | grep -q Intel; then
1712 cc_type=icc
1713 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1714 CC_DEPFLAGS='-MMD'
1715 AS_DEPFLAGS='-MMD'
1716 speed_cflags='-O3'
1717 size_cflags='-Os'
1718 elif $cc -v 2>&1 | grep -q xlc; then
1719 cc_type=xlc
1720 cc_version="AV_STRINGIFY(__IBMC__)"
1721 speed_cflags='-O5'
1722 size_cflags='-O5 -qcompact'
1723 elif $cc -V 2>/dev/null | grep -q Compaq; then
1724 cc_type=ccc
1725 cc_version="AV_STRINGIFY(__DECC_VER)"
1726 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1727 debuglevel=3
1728 add_ldflags -Wl,-z,now # calls to libots crash without this
1729 speed_cflags='-fast'
1730 size_cflags='-O1'
1731 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1732 test -d "$sysroot" || die "No valid sysroot specified."
1733 cc_type=armcc
1734 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1735 armcc_conf="$PWD/armcc.conf"
1736 $cc --arm_linux_configure \
1737 --arm_linux_config_file="$armcc_conf" \
1738 --configure_sysroot="$sysroot" \
1739 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1740 die "Error creating armcc configuration file."
1741 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1742 as_default="${cross_prefix}gcc"
1743 CC_DEPFLAGS='-MMD'
1744 AS_DEPFLAGS='-MMD'
1745 speed_cflags='-O3'
1746 size_cflags='-Os'
1747 elif $cc -version 2>/dev/null | grep -q TMS470; then
1748 cc_type=tms470
1749 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1750 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1751 CC_O='-fr=$(@D)'
1752 as_default="${cross_prefix}gcc"
1753 ld_default="${cross_prefix}gcc"
1754 TMPO=$(basename $TMPC .c).o
1755 append TMPFILES $TMPO
1756 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1757 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1758 AS_DEPFLAGS='-MMD'
1759 speed_cflags='-O3 -mf=5'
1760 size_cflags='-O3 -mf=2'
1761 filter_cflags=tms470_flags
1762 tms470_flags(){
1763 for flag; do
1764 case $flag in
1765 -march=*|-mcpu=*)
1766 case "${flag#*=}" in
1767 armv7-a|cortex-a*) echo -mv=7a8 ;;
1768 armv7-r|cortex-r*) echo -mv=7r4 ;;
1769 armv7-m|cortex-m*) echo -mv=7m3 ;;
1770 armv6*|arm11*) echo -mv=6 ;;
1771 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1772 echo -mv=5e ;;
1773 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1774 esac
1775 ;;
1776 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1777 -mfpu=vfp) echo --float_support=vfpv2 ;;
1778 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1779 -msoft-float) echo --float_support=vfplib ;;
1780 -O[0-3]|-mf=*) echo $flag ;;
1781 -g) echo -g -mn ;;
1782 -pds=*) echo $flag ;;
1783 esac
1784 done
1785 }
1786 elif $cc -v 2>&1 | grep -q clang; then
1787 cc_type=clang
1788 cc_version=__VERSION__
1789 CC_DEPFLAGS='-MMD'
1790 AS_DEPFLAGS='-MMD'
1791 speed_cflags='-O3'
1792 size_cflags='-Os'
1793 elif $cc -V 2>&1 | grep -q Sun; then
1794 cc_type=suncc
1795 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1796 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1797 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1798 speed_cflags='-O5'
1799 size_cflags='-O5 -xspace'
1800 filter_cflags=suncc_flags
1801 suncc_flags(){
1802 for flag; do
1803 case $flag in
1804 -march=*|-mcpu=*)
1805 case "${flag#*=}" in
1806 native) echo -xtarget=native ;;
1807 v9) echo -xarch=sparc ;;
1808 ultrasparc) echo -xarch=sparcvis ;;
1809 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1810 i586|pentium) echo -xchip=pentium ;;
1811 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1812 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1813 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1814 pentium4*) echo -xtarget=pentium4 ;;
1815 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1816 *-sse3) echo -xarch=sse3 ;;
1817 core2) echo -xarch=ssse3 -xchip=core2 ;;
1818 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1819 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1820 k8|opteron|athlon64|athlon-fx)
1821 echo -xarch=sse2a ;;
1822 athlon*) echo -xarch=pentium_proa ;;
1823 esac
1824 ;;
1825 -std=c99) echo -xc99 ;;
1826 -fomit-frame-pointer) echo -xregs=frameptr ;;
1827 -fPIC) echo -KPIC -xcode=pic32 ;;
1828 -W*,*) echo $flag ;;
1829 -f*-*|-W*) ;;
1830 *) echo $flag ;;
1831 esac
1832 done
1833 }
1834 fi
1835
1836 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1837
1838 : ${as_default:=$cc}
1839 : ${dep_cc_default:=$cc}
1840 : ${ld_default:=$cc}
1841 set_default as dep_cc ld
1842
1843 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1844 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1845
1846 add_cflags $extra_cflags
1847 add_asflags $extra_cflags
1848
1849 if test -n "$sysroot"; then
1850 case "$cc_type" in
1851 gcc)
1852 add_cppflags --sysroot="$sysroot"
1853 add_ldflags --sysroot="$sysroot"
1854 ;;
1855 tms470)
1856 add_cppflags -I"$sysinclude"
1857 add_ldflags --sysroot="$sysroot"
1858 ;;
1859 clang)
1860 add_cppflags -isysroot="$sysroot"
1861 add_ldflags -isysroot="$sysroot"
1862 ;;
1863 esac
1864 fi
1865
1866 if test "$cpu" = host; then
1867 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1868
1869 case "$cc_type" in
1870 gcc)
1871 check_native(){
1872 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1873 sed -n "/$1=/{
1874 s/.*$1=\\([^ ]*\\).*/\\1/
1875 p
1876 q
1877 }" $TMPE
1878 }
1879 cpu=$(check_native -march || check_native -mcpu)
1880 ;;
1881 esac
1882
1883 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1884 fi
1885
1886 # Deal with common $arch aliases
1887 case "$arch" in
1888 arm*)
1889 arch="arm"
1890 ;;
1891 mips|mipsel|IP*)
1892 arch="mips"
1893 ;;
1894 mips64)
1895 arch="mips"
1896 subarch="mips64"
1897 ;;
1898 parisc|hppa)
1899 arch="parisc"
1900 ;;
1901 parisc64|hppa64)
1902 arch="parisc"
1903 subarch="parisc64"
1904 ;;
1905 "Power Macintosh"|ppc|powerpc)
1906 arch="ppc"
1907 ;;
1908 ppc64)
1909 arch="ppc"
1910 subarch="ppc64"
1911 ;;
1912 s390|s390x)
1913 arch="s390"
1914 ;;
1915 sh4|sh)
1916 arch="sh4"
1917 ;;
1918 sun4u|sparc64)
1919 arch="sparc"
1920 subarch="sparc64"
1921 ;;
1922 i[3-6]86|i86pc|BePC|x86_64|amd64)
1923 arch="x86"
1924 ;;
1925 esac
1926
1927 is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1928 enable $arch
1929
1930 # Add processor-specific flags
1931 if test "$cpu" = generic; then
1932 : do nothing
1933 elif enabled ppc; then
1934
1935 case $(tolower $cpu) in
1936 601|ppc601|powerpc601)
1937 cpuflags="-mcpu=601"
1938 disable altivec
1939 ;;
1940 603*|ppc603*|powerpc603*)
1941 cpuflags="-mcpu=603"
1942 disable altivec
1943 ;;
1944 604*|ppc604*|powerpc604*)
1945 cpuflags="-mcpu=604"
1946 disable altivec
1947 ;;
1948 g3|75*|ppc75*|powerpc75*)
1949 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1950 disable altivec
1951 ;;
1952 g4|745*|ppc745*|powerpc745*)
1953 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1954 ;;
1955 74*|ppc74*|powerpc74*)
1956 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1957 ;;
1958 g5|970|ppc970|powerpc970|power4*)
1959 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1960 ;;
1961 cell)
1962 cpuflags="-mcpu=cell"
1963 enable ldbrx
1964 ;;
1965 e500v2)
1966 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1967 disable altivec
1968 ;;
1969 e500)
1970 cpuflags="-mcpu=8540 -mhard-float"
1971 disable altivec
1972 ;;
1973 esac
1974
1975 elif enabled x86; then
1976
1977 case $cpu in
1978 i[345]86|pentium)
1979 cpuflags="-march=$cpu"
1980 disable mmx
1981 ;;
1982 # targets that do NOT support conditional mov (cmov)
1983 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1984 cpuflags="-march=$cpu"
1985 disable cmov
1986 ;;
1987 # targets that do support conditional mov (cmov)
1988 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1989 cpuflags="-march=$cpu"
1990 enable cmov
1991 enable fast_cmov
1992 ;;
1993 # targets that do support conditional mov but on which it's slow
1994 pentium4|pentium4m|prescott|nocona)
1995 cpuflags="-march=$cpu"
1996 enable cmov
1997 disable fast_cmov
1998 ;;
1999 esac
2000
2001 elif enabled sparc; then
2002
2003 case $cpu in
2004 sparc64)
2005 cpuflags="-mcpu=v9"
2006 ;;
2007 esac
2008
2009 elif enabled arm; then
2010
2011 case $cpu in
2012 armv*)
2013 cpuflags="-march=$cpu"
2014 ;;
2015 *)
2016 cpuflags="-mcpu=$cpu"
2017 ;;
2018 esac
2019
2020 elif enabled alpha; then
2021
2022 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2023
2024 elif enabled bfin; then
2025
2026 cpuflags="-mcpu=$cpu"
2027
2028 elif enabled mips; then
2029
2030 cpuflags="-march=$cpu"
2031
2032 elif enabled avr32; then
2033
2034 case $cpu in
2035 ap7[02]0[0-2])
2036 subarch="avr32_ap"
2037 cpuflags="-mpart=$cpu"
2038 ;;
2039 ap)
2040 subarch="avr32_ap"
2041 cpuflags="-march=$cpu"
2042 ;;
2043 uc3[ab]*)
2044 subarch="avr32_uc"
2045 cpuflags="-mcpu=$cpu"
2046 ;;
2047 uc)
2048 subarch="avr32_uc"
2049 cpuflags="-march=$cpu"
2050 ;;
2051 esac
2052
2053 fi
2054
2055 add_cflags $cpuflags
2056 add_asflags $cpuflags
2057
2058 # compiler sanity check
2059 check_exec <<EOF
2060 int main(void){ return 0; }
2061 EOF
2062 if test "$?" != 0; then
2063 echo "$cc is unable to create an executable file."
2064 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2065 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2066 echo "Only do this if you know what cross compiling means."
2067 fi
2068 die "C compiler test failed."
2069 fi
2070
2071 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2072 check_cflags -std=c99
2073 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2074 #include <stdlib.h>
2075 EOF
2076 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2077 #include <stdlib.h>
2078 EOF
2079
2080 check_host_cflags -std=c99
2081
2082 case "$arch" in
2083 alpha|ia64|mips|parisc|sparc)
2084 spic=$shared
2085 ;;
2086 x86)
2087 subarch="x86_32"
2088 check_cc <<EOF && subarch="x86_64"
2089 int test[(int)sizeof(char*) - 7];
2090 EOF
2091 if test "$subarch" = "x86_64"; then
2092 spic=$shared
2093 fi
2094 ;;
2095 esac
2096
2097 enable $subarch
2098 enabled spic && enable pic
2099 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2100
2101 # OS specific
2102 case $target_os in
2103 beos|haiku|zeta)
2104 prefix_default="$HOME/config"
2105 # 3 gcc releases known for BeOS, each with ugly bugs
2106 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2107 case "$gcc_version" in
2108 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2109 disable mmx
2110 ;;
2111 *20010315*) echo "BeBits gcc"
2112 add_cflags -fno-expensive-optimizations
2113 ;;
2114 esac
2115 SHFLAGS=-nostart
2116 # enable BeOS things
2117 enable audio_beos
2118 # no need for libm, but the inet stuff
2119 # Check for BONE
2120 # XXX: actually should check for NOT net_server
2121 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2122 network_extralibs="-lbind -lsocket"
2123 else
2124 enable beos_netserver
2125 network_extralibs="-lnet"
2126 fi ;;
2127 sunos)
2128 FFSERVERLDFLAGS=""
2129 SHFLAGS='-shared -Wl,-h,$$(@F)'
2130 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2131 network_extralibs="-lsocket -lnsl"
2132 add_cppflags -D__EXTENSIONS__
2133 nm_opts='-P -g'
2134 ;;
2135 netbsd)
2136 oss_indev_extralibs="-lossaudio"
2137 oss_outdev_extralibs="-lossaudio"
2138 ;;
2139 openbsd)
2140 enable malloc_aligned
2141 # On OpenBSD 4.5. the compiler does not use PIC unless
2142 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2143 # however the generated executable will not do anything
2144 # (simply quits with exit-code 1, no crash, no output).
2145 # Thus explicitly enable PIC here.
2146 enable pic
2147 SHFLAGS='-shared'
2148 oss_indev_extralibs="-lossaudio"
2149 oss_outdev_extralibs="-lossaudio"
2150 ;;
2151 freebsd|dragonfly)
2152 enable malloc_aligned
2153 ;;
2154 bsd/os)
2155 osextralibs="-lpoll -lgnugetopt"
2156 strip="strip -d"
2157 ;;
2158 darwin)
2159 enable malloc_aligned
2160 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2161 strip="strip -x"
2162 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2163 SLIBSUF=".dylib"
2164 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2165 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2166 FFSERVERLDFLAGS=-Wl,-bind_at_load
2167 objformat="macho"
2168 enabled x86_64 && objformat="macho64"
2169 enabled_any pic shared ||
2170 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2171 ;;
2172 mingw32*)
2173 if test $target_os = "mingw32ce"; then
2174 disable network
2175 else
2176 target_os=mingw32
2177 fi
2178 LIBTARGET=i386
2179 if enabled x86_64; then
2180 enable malloc_aligned
2181 LIBTARGET=x64
2182 elif enabled arm; then
2183 LIBTARGET=arm
2184 fi
2185 shlibdir_default="$bindir_default"
2186 disable ffserver
2187 SLIBPREF=""
2188 SLIBSUF=".dll"
2189 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2190 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2191 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2192 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2193 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2194 install -d "$(LIBDIR)"; \
2195 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2196 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2197 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2198 objformat="win32"
2199 enable dos_paths
2200 check_cflags -fno-common
2201 if ! enabled x86_64; then
2202 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2203 die "ERROR: MinGW runtime version must be >= 3.15."
2204 enabled_any avisynth vfwcap_indev &&
2205 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2206 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2207 fi
2208 ;;
2209 cygwin*)
2210 target_os=cygwin
2211 shlibdir_default="$bindir_default"
2212 SLIBPREF="cyg"
2213 SLIBSUF=".dll"
2214 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2215 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2216 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2217 objformat="win32"
2218 enable dos_paths
2219 check_cflags -fno-common
2220 ;;
2221 *-dos|freedos|opendos)
2222 disable ffplay ffserver
2223 disable $INDEV_LIST $OUTDEV_LIST
2224 network_extralibs="-lsocket"
2225 objformat="coff"
2226 enable dos_paths
2227 ;;
2228 linux)
2229 enable dv1394
2230 ;;
2231 irix*)
2232 target_os=irix
2233 ranlib="echo ignoring ranlib"
2234 ;;
2235 os/2*)
2236 strip="lxlite"
2237 ln_s="cp -f"
2238 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2239 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2240 FFSERVERLDFLAGS=""
2241 LIBSUF="_s.a"
2242 SLIBPREF=""
2243 SLIBSUF=".dll"
2244 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2245 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2246 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2247 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2248 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2249 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2250 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2251 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2252 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2253 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2254 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2255 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2256 enable dos_paths
2257 ;;
2258 gnu/kfreebsd)
2259 ;;
2260 gnu)
2261 ;;
2262 none)
2263 ;;
2264 *)
2265 die "Unknown OS '$target_os'."
2266 ;;
2267 esac
2268
2269 set_default $PATHS_LIST
2270
2271 add_extralibs $osextralibs
2272
2273 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2274 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2275
2276 # we need to build at least one lib type
2277 if ! enabled_any static shared; then
2278 cat <<EOF
2279 At least one library type must be built.
2280 Specify --enable-static to build the static libraries or --enable-shared to
2281 build the shared libraries as well. To only build the shared libraries specify
2282 --disable-static in addition to --enable-shared.
2283 EOF
2284 exit 1;
2285 fi
2286
2287 disabled static && LIBNAME=""
2288
2289 if enabled_any libfaad libfaadbin ; then
2290 if check_header faad.h; then
2291 check_cc <<EOF
2292 #include <faad.h>
2293 #ifndef FAAD2_VERSION
2294 ok faad1
2295 #endif
2296 int main(void) { return 0; }
2297 EOF
2298 test $? = 0 && enable libfaad2
2299 else
2300 die "FAAD test failed."
2301 fi
2302 fi
2303
2304
2305 die_license_disabled() {
2306 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2307 }
2308
2309 die_license_disabled gpl libfaad2
2310 die_license_disabled gpl libx264
2311 die_license_disabled gpl libxvid
2312 die_license_disabled gpl postproc
2313 die_license_disabled gpl x11grab
2314
2315 die_license_disabled nonfree libfaac
2316
2317 die_license_disabled version3 libopencore_amrnb
2318 die_license_disabled version3 libopencore_amrwb
2319
2320 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2321
2322 check_deps $ARCH_EXT_LIST
2323
2324 disabled optimizations || check_cflags -fomit-frame-pointer
2325
2326 enable_pic() {
2327 enable pic
2328 add_cppflags -DPIC
2329 add_cflags -fPIC
2330 add_asflags -fPIC
2331 }
2332
2333 enabled pic && enable_pic
2334
2335 check_cc <<EOF || die "Symbol mangling check failed."
2336 int ff_extern;
2337 EOF
2338 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2339 extern_prefix=${sym%%ff_extern*}
2340
2341 check_cc <<EOF && enable inline_asm
2342 void foo(void) { __asm__ volatile ("" ::); }
2343 EOF
2344
2345 _restrict=
2346 for restrict_keyword in restrict __restrict__ __restrict; do
2347 check_cc <<EOF && _restrict=$restrict_keyword && break
2348 void foo(char * $restrict_keyword p);
2349 EOF
2350 done
2351
2352 check_cc <<EOF && enable attribute_packed
2353 struct { int x; } __attribute__((packed)) x;
2354 EOF
2355
2356 check_cc <<EOF && enable attribute_may_alias
2357 union { int x; } __attribute__((may_alias)) x;
2358 EOF
2359
2360 check_cc <<EOF || die "endian test failed"
2361 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2362 EOF
2363 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2364
2365 if enabled alpha; then
2366
2367 check_cflags -mieee
2368
2369 elif enabled arm; then
2370
2371 check_cflags -marm
2372
2373 check_ld <<EOF && enable vfp_args
2374 __asm__ (".eabi_attribute 28, 1");
2375 int main(void) { return 0; }
2376 EOF
2377
2378 # We have to check if pld is a nop and disable it.
2379 check_asm pld '"pld [r0]"'
2380
2381 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2382 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2383 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2384 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2385 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2386 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2387
2388 enabled_all armv6t2 shared !pic && enable_pic
2389
2390 elif enabled ia64; then
2391
2392 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2393 enabled shared && enable_weak hardcoded_tables
2394
2395 elif enabled mips; then
2396
2397 check_asm loongson '"dmult.g $1, $2, $3"'
2398 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2399
2400 elif enabled ppc; then
2401
2402 enable local_aligned_8 local_aligned_16
2403
2404 check_asm dcbzl '"dcbzl 0, 1"'
2405 check_asm ppc4xx '"maclhw r10, r11, r12"'
2406 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2407
2408 # AltiVec flags: The FSF version of GCC differs from the Apple version
2409 if enabled altivec; then
2410 check_cflags -maltivec -mabi=altivec &&
2411 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2412 check_cflags -faltivec
2413
2414 # check if our compiler supports Motorola AltiVec C API
2415 check_cc <<EOF || disable altivec
2416 $inc_altivec_h
2417 int main(void) {
2418 vector signed int v1, v2, v3;
2419 v1 = vec_add(v2,v3);
2420 return 0;
2421 }
2422 EOF
2423
2424 # check if our compiler supports braces for vector declarations
2425 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2426 $inc_altivec_h
2427 int main (void) { (vector int) {1}; return 0; }
2428 EOF
2429 fi
2430
2431 elif enabled sparc; then
2432
2433 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2434 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2435
2436 elif enabled x86; then
2437
2438 enable local_aligned_8 local_aligned_16
2439
2440 # check whether EBP is available on x86
2441 # As 'i' is stored on the stack, this program will crash
2442 # if the base pointer is used to access it because the
2443 # base pointer is cleared in the inline assembly code.
2444 check_exec_crash <<EOF && enable ebp_available
2445 volatile int i=0;
2446 __asm__ volatile (
2447 "xorl %%ebp, %%ebp"
2448 ::: "%ebp");
2449 return i;
2450 EOF
2451
2452 # check whether EBX is available on x86
2453 check_asm ebx_available '""::"b"(0)' &&
2454 check_asm ebx_available '"":::"%ebx"'
2455
2456 # check whether more than 10 operands are supported
2457 check_cc <<EOF && enable ten_operands
2458 int main(void) {
2459 int x=0;
2460 __asm__ volatile(
2461 ""
2462 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2463 );
2464 return 0;
2465 }
2466 EOF
2467
2468 # check whether binutils is new enough to compile SSSE3/MMX2
2469 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2470 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2471
2472 check_asm bswap '"bswap %%eax" ::: "%eax"'
2473
2474 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2475 enabled x86_64 && append YASMFLAGS "-m amd64"
2476 enabled pic && append YASMFLAGS "-DPIC"
2477 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2478 case "$objformat" in
2479 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2480 esac
2481 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2482
2483 case "$cpu" in
2484 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2485 disable fast_clz
2486 ;;
2487 esac
2488
2489 fi
2490
2491 if check_func dlopen; then
2492 ldl=
2493 elif check_func dlopen -ldl; then
2494 ldl=-ldl
2495 fi
2496
2497 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2498 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2499
2500 check_func fork
2501 check_func getaddrinfo $network_extralibs
2502 check_func gethrtime
2503 check_func getrusage
2504 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2505 check_func inet_aton $network_extralibs
2506 check_func isatty
2507 check_func ${malloc_prefix}memalign && enable memalign
2508 check_func mkstemp
2509 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2510 check_func setrlimit
2511 check_func_headers io.h setmode
2512 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2513 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2514 check_func_headers windows.h GetProcessTimes
2515 check_func_headers windows.h VirtualAlloc
2516
2517 check_header conio.h
2518 check_header dlfcn.h
2519 check_header dxva2api.h
2520 check_header malloc.h
2521 check_header poll.h
2522 check_header sys/mman.h
2523 check_header sys/resource.h
2524 check_header sys/select.h
2525 check_header termios.h
2526 check_header vdpau/vdpau.h
2527 check_header vdpau/vdpau_x11.h
2528 check_header X11/extensions/XvMClib.h
2529
2530 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2531
2532 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2533 enabled_any $need_memalign ; then
2534 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2535 fi
2536
2537 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2538 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2539
2540 # check for some common methods of building with pthread support
2541 # do this before the optional library checks as some of them require pthreads
2542 if enabled pthreads; then
2543 if check_func pthread_create; then
2544 :
2545 elif check_func pthread_create -pthread; then
2546 add_cflags -pthread
2547 add_extralibs -pthread
2548 elif check_func pthread_create -pthreads; then
2549 add_cflags -pthreads
2550 add_extralibs -pthreads
2551 elif check_func pthread_create -lpthreadGC2; then
2552 add_extralibs -lpthreadGC2
2553 elif ! check_lib pthread.h pthread_create -lpthread; then
2554 die "ERROR: can't find pthreads library"
2555 fi
2556 fi
2557
2558 for thread in $THREADS_LIST; do
2559 if enabled $thread; then
2560 test -n "$thread_type" &&
2561 die "ERROR: Only one thread type must be selected." ||
2562 thread_type="$thread"
2563 fi
2564 done
2565
2566 check_lib math.h sin -lm
2567 check_lib va/va.h vaInitialize -lva
2568
2569 check_mathfunc exp2
2570 check_mathfunc exp2f
2571 check_mathfunc llrint
2572 check_mathfunc log2
2573 check_mathfunc log2f
2574 check_mathfunc lrint
2575 check_mathfunc lrintf
2576 check_mathfunc round
2577 check_mathfunc roundf
2578 check_mathfunc truncf
2579
2580 # these are off by default, so fail if requested and not available
2581 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2582 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2583 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2584 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2585 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2586 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2587 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2588 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2589 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2590 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2591 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2592 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2593 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2594 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2595 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2596 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2597 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2598 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2599 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2600 die "ERROR: libx264 version must be >= 0.83."; }
2601 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2602 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2603
2604 # libdc1394 check
2605 if enabled libdc1394; then
2606 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2607 enable libdc1394_2; } ||
2608 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2609 enable libdc1394_1; } ||
2610 die "ERROR: No version of libdc1394 found "
2611 fi
2612
2613 SDL_CONFIG="${cross_prefix}sdl-config"
2614 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2615 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2616 sdl_libs=$("${SDL_CONFIG}" --libs)
2617 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2618 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2619 enable sdl &&
2620 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2621 fi
2622
2623 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2624
2625 if enabled network; then
2626 check_type "sys/types.h sys/socket.h" socklen_t
2627 check_type netdb.h "struct addrinfo"
2628 check_type netinet/in.h "struct ipv6_mreq"
2629 check_type netinet/in.h "struct sockaddr_in6"
2630 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2631 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2632 # Prefer arpa/inet.h over winsock2
2633 if check_header arpa/inet.h ; then
2634 check_func closesocket
2635 elif check_header winsock2.h ; then
2636 check_func_headers winsock2.h closesocket -lws2 && \
2637 network_extralibs="-lws2" || \
2638 { check_func_headers winsock2.h closesocket -lws2_32 && \
2639 network_extralibs="-lws2_32"; }
2640 check_type ws2tcpip.h socklen_t
2641 check_type ws2tcpip.h "struct addrinfo"
2642 check_type ws2tcpip.h "struct ipv6_mreq"
2643 check_type ws2tcpip.h "struct sockaddr_in6"
2644 check_type ws2tcpip.h "struct sockaddr_storage"
2645 check_struct winsock2.h "struct sockaddr" sa_len
2646 else
2647 disable network
2648 fi
2649 fi
2650
2651 check_header linux/videodev.h
2652 check_header linux/videodev2.h
2653 check_header sys/videoio.h
2654
2655 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2656
2657 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2658 { check_header dev/bktr/ioctl_meteor.h &&
2659 check_header dev/bktr/ioctl_bt848.h; } ||
2660 { check_header machine/ioctl_meteor.h &&
2661 check_header machine/ioctl_bt848.h; } ||
2662 { check_header dev/video/meteor/ioctl_meteor.h &&
2663 check_header dev/video/bktr/ioctl_bt848.h; } ||
2664 check_header dev/ic/bt8xx.h
2665
2666 check_header sys/soundcard.h
2667 check_header soundcard.h
2668
2669 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2670
2671 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2672
2673 enabled x11grab &&
2674 check_header X11/Xlib.h &&
2675 check_header X11/extensions/XShm.h &&
2676 check_header X11/extensions/Xfixes.h &&
2677 check_func XOpenDisplay -lX11 &&
2678 check_func XShmCreateImage -lX11 -lXext &&
2679 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2680
2681 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2682 check_cpp_condition \
2683 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2684 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2685 disable vdpau; }
2686 fi
2687
2688 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2689
2690 # add some useful compiler flags if supported
2691 check_cflags -Wdeclaration-after-statement
2692 check_cflags -Wall
2693 check_cflags -Wno-switch
2694 check_cflags -Wdisabled-optimization
2695 check_cflags -Wpointer-arith
2696 check_cflags -Wredundant-decls
2697 check_cflags -Wno-pointer-sign
2698 check_cflags -Wcast-qual
2699 check_cflags -Wwrite-strings
2700 check_cflags -Wtype-limits
2701 check_cflags -Wundef
2702 check_cflags -Wmissing-prototypes
2703 enabled extra_warnings && check_cflags -Winline
2704
2705 # add some linker flags
2706 check_ldflags -Wl,--warn-common
2707 check_ldflags -Wl,--as-needed
2708 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'
2709 check_ldflags -Wl,-Bsymbolic
2710
2711 echo "X{};" > $TMPV
2712 test_ldflags -Wl,--version-script,$TMPV &&
2713 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2714
2715 if enabled small; then
2716 add_cflags $size_cflags
2717 optimizations="small"
2718 elif enabled optimizations; then
2719 add_cflags $speed_cflags
2720 fi
2721 check_cflags -fno-math-errno
2722 check_cflags -fno-signed-zeros
2723
2724 if enabled icc; then
2725 # Just warnings, no remarks
2726 check_cflags -w1
2727 # -wd: Disable following warnings
2728 # 144, 167, 556: -Wno-pointer-sign
2729 # 10006: ignoring unknown option -fno-signed-zeros
2730 # 10156: ignoring option '-W'; no argument required
2731 check_cflags -wd144,167,556,10006,10156
2732 # 11030: Warning unknown option --as-needed
2733 # 10156: ignoring option '-export'; no argument required
2734 check_ldflags -wd10156,11030
2735 # Allow to compile with optimizations
2736 check_ldflags -march=$cpu
2737 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2738 enable ebp_available
2739 elif enabled ccc; then
2740 # disable some annoying warnings
2741 add_cflags -msg_disable cvtu32to64
2742 add_cflags -msg_disable embedcomment
2743 add_cflags -msg_disable needconstext
2744 add_cflags -msg_disable nomainieee
2745 add_cflags -msg_disable ptrmismatch1
2746 add_cflags -msg_disable unreachcode
2747 elif enabled gcc; then
2748 check_cflags -fno-tree-vectorize
2749 elif enabled clang; then
2750 check_cflags -Qunused-arguments
2751 elif enabled armcc; then
2752 # 2523: use of inline assembler is deprecated
2753 add_cflags -Wrvct,--diag_suppress=2523
2754 add_cflags -Wrvct,--diag_suppress=1207
2755 elif enabled tms470; then
2756 add_cflags -pds=824 -pds=837
2757 fi
2758
2759 if enabled gprof; then
2760 add_cflags -p
2761 add_ldflags -p
2762 fi
2763
2764 # Find out if the .align argument is a power of two or not.
2765 check_asm asmalign_pot '".align 3"'
2766
2767 enabled_any $DECODER_LIST && enable decoders
2768 enabled_any $ENCODER_LIST && enable encoders
2769 enabled_any $HWACCEL_LIST && enable hwaccels
2770 enabled_any $BSF_LIST && enable bsfs
2771 enabled_any $DEMUXER_LIST && enable demuxers
2772 enabled_any $MUXER_LIST && enable muxers
2773 enabled_any $FILTER_LIST && enable filters
2774 enabled_any $INDEV_LIST && enable indevs
2775 enabled_any $OUTDEV_LIST && enable outdevs
2776 enabled_any $PROTOCOL_LIST && enable protocols
2777
2778 enabled_any $THREADS_LIST && enable threads
2779
2780 check_deps $CONFIG_LIST \
2781 $CONFIG_EXTRA \
2782 $HAVE_LIST \
2783 $DECODER_LIST \
2784 $ENCODER_LIST \
2785 $HWACCEL_LIST \
2786 $PARSER_LIST \
2787 $BSF_LIST \
2788 $DEMUXER_LIST \
2789 $MUXER_LIST \
2790 $FILTER_LIST \
2791 $INDEV_LIST \
2792 $OUTDEV_LIST \
2793 $PROTOCOL_LIST \
2794
2795 enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2796
2797 echo "install prefix $prefix"
2798 echo "source path $source_path"
2799 echo "C compiler $cc"
2800 echo ".align is power-of-two $asmalign_pot"
2801 echo "ARCH $arch ($cpu)"
2802 if test "$build_suffix" != ""; then
2803 echo "build suffix $build_suffix"
2804 fi
2805 if test "$extra_version" != ""; then
2806 echo "version string suffix $extra_version"
2807 fi
2808 echo "big-endian ${bigendian-no}"
2809 echo "runtime cpu detection ${runtime_cpudetect-no}"
2810 if enabled x86; then
2811 echo "yasm ${yasm-no}"
2812 echo "MMX enabled ${mmx-no}"
2813 echo "MMX2 enabled ${mmx2-no}"
2814 echo "3DNow! enabled ${amd3dnow-no}"
2815 echo "3DNow! extended enabled ${amd3dnowext-no}"
2816 echo "SSE enabled ${sse-no}"
2817 echo "SSSE3 enabled ${ssse3-no}"
2818 echo "CMOV enabled ${cmov-no}"
2819 echo "CMOV is fast ${fast_cmov-no}"
2820 echo "EBX available ${ebx_available-no}"
2821 echo "EBP available ${ebp_available-no}"
2822 echo "10 operands supported ${ten_operands-no}"
2823 fi
2824 if enabled arm; then
2825 echo "ARMv5TE enabled ${armv5te-no}"
2826 echo "ARMv6 enabled ${armv6-no}"
2827 echo "ARMv6T2 enabled ${armv6t2-no}"
2828 echo "ARM VFP enabled ${armvfp-no}"
2829 echo "IWMMXT enabled ${iwmmxt-no}"
2830 echo "NEON enabled ${neon-no}"
2831 fi
2832 if enabled mips; then
2833 echo "MMI enabled ${mmi-no}"
2834 fi
2835 if enabled ppc; then
2836 echo "AltiVec enabled ${altivec-no}"
2837 echo "PPC 4xx optimizations ${ppc4xx-no}"
2838 echo "dcbzl available ${dcbzl-no}"
2839 echo "performance report ${powerpc_perf-no}"
2840 fi
2841 if enabled sparc; then
2842 echo "VIS enabled ${vis-no}"
2843 fi
2844 echo "gprof enabled ${gprof-no}"
2845 echo "debug symbols ${debug-no}"
2846 echo "strip symbols ${stripping-no}"
2847 echo "optimizations ${optimizations-no}"
2848 echo "static ${static-no}"
2849 echo "shared ${shared-no}"
2850 echo "postprocessing support ${postproc-no}"
2851 echo "new filter support ${avfilter-no}"
2852 echo "filters using lavformat ${avfilter_lavf-no}"
2853 echo "network support ${network-no}"
2854 echo "threading support ${thread_type-no}"
2855 echo "SDL support ${sdl-no}"
2856 echo "Sun medialib support ${mlib-no}"
2857 echo "AVISynth enabled ${avisynth-no}"
2858 echo "libdc1394 support ${libdc1394-no}"
2859 echo "libdirac enabled ${libdirac-no}"
2860 echo "libfaac enabled ${libfaac-no}"
2861 echo "libfaad enabled ${libfaad-no}"
2862 echo "libfaad dlopened ${libfaadbin-no}"
2863 echo "libgsm enabled ${libgsm-no}"
2864 echo "libmp3lame enabled ${libmp3lame-no}"
2865 echo "libnut enabled ${libnut-no}"
2866 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2867 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2868 echo "libopenjpeg enabled ${libopenjpeg-no}"
2869 echo "libschroedinger enabled ${libschroedinger-no}"
2870 echo "libspeex enabled ${libspeex-no}"
2871 echo "libtheora enabled ${libtheora-no}"
2872 echo "libvorbis enabled ${libvorbis-no}"
2873 echo "libx264 enabled ${libx264-no}"
2874 echo "libxvid enabled ${libxvid-no}"
2875 echo "zlib enabled ${zlib-no}"
2876 echo "bzlib enabled ${bzlib-no}"
2877 echo
2878
2879 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2880 echo "Enabled ${type}s:"
2881 eval list=\$$(toupper $type)_LIST
2882 for part in $list; do
2883 enabled $part && echo ${part%_*}
2884 done | sort | pr -3 -t
2885 echo
2886 done
2887
2888 license="LGPL version 2.1 or later"
2889 if enabled nonfree; then
2890 license="nonfree and unredistributable"
2891 elif enabled gplv3; then
2892 license="GPL version 3 or later"
2893 elif enabled lgplv3; then
2894 license="LGPL version 3 or later"
2895 elif enabled gpl; then
2896 license="GPL version 2 or later"
2897 fi
2898
2899 echo "License: $license"
2900
2901 echo "Creating config.mak and config.h..."
2902
2903 # build tree in object directory if source path is different from current one
2904 if enabled source_path_used; then
2905 DIRS="
2906 doc
2907 libavcodec
2908 libavcodec/$arch
2909 libavdevice
2910 libavfilter
2911 libavformat
2912 libavutil
2913 libavutil/$arch
2914 libpostproc
2915 libswscale
2916 libswscale/$arch
2917 tests
2918 tools
2919 "
2920 FILES="
2921 Makefile
2922 common.mak
2923 subdir.mak
2924 doc/texi2pod.pl
2925 libavcodec/Makefile
2926 libavdevice/Makefile
2927 libavfilter/Makefile
2928 libavformat/Makefile
2929 libavutil/Makefile
2930 libpostproc/Makefile
2931 libswscale/Makefile
2932 "
2933 for dir in $DIRS ; do
2934 mkdir -p $dir
2935 done
2936 for f in $FILES ; do
2937 $ln_s "$source_path/$f" $f
2938 done
2939 fi
2940
2941 enabled stripping || strip="echo skipping strip"
2942
2943 cat > config.mak <<EOF
2944 # Automatically generated by configure - do not modify!
2945 ifndef FFMPEG_CONFIG_MAK
2946 FFMPEG_CONFIG_MAK=1
2947 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2948 prefix=$prefix
2949 LIBDIR=\$(DESTDIR)$libdir
2950 SHLIBDIR=\$(DESTDIR)$shlibdir
2951 INCDIR=\$(DESTDIR)$incdir
2952 BINDIR=\$(DESTDIR)$bindir
2953 DATADIR=\$(DESTDIR)$datadir
2954 MANDIR=\$(DESTDIR)$mandir
2955 SRC_PATH="$source_path"
2956 SRC_PATH_BARE=$source_path
2957 BUILD_ROOT="$PWD"
2958 ARCH=$arch
2959 CC=$cc
2960 AS=$as
2961 LD=$ld
2962 DEPCC=$dep_cc
2963 YASM=$yasmexe
2964 AR=$ar
2965 RANLIB=$ranlib
2966 LN_S=$ln_s
2967 STRIP=$strip
2968 CPPFLAGS=$CPPFLAGS
2969 CFLAGS=$CFLAGS
2970 ASFLAGS=$ASFLAGS
2971 CC_O=$CC_O
2972 LDFLAGS=$LDFLAGS
2973 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2974 SHFLAGS=$SHFLAGS
2975 YASMFLAGS=$YASMFLAGS
2976 BUILDSUF=$build_suffix
2977 FULLNAME=$FULLNAME
2978 LIBPREF=$LIBPREF
2979 LIBSUF=$LIBSUF
2980 LIBNAME=$LIBNAME
2981 SLIBPREF=$SLIBPREF
2982 SLIBSUF=$SLIBSUF
2983 EXESUF=$EXESUF
2984 EXTRA_VERSION=$extra_version
2985 DEPFLAGS=$DEPFLAGS
2986 CCDEP=$CCDEP
2987 ASDEP=$ASDEP
2988 CC_DEPFLAGS=$CC_DEPFLAGS
2989 AS_DEPFLAGS=$AS_DEPFLAGS
2990 HOSTCC=$host_cc
2991 HOSTCFLAGS=$host_cflags
2992 HOSTEXESUF=$HOSTEXESUF
2993 HOSTLDFLAGS=$host_ldflags
2994 HOSTLIBS=$host_libs
2995 TARGET_EXEC=$target_exec
2996 TARGET_PATH=$target_path
2997 SDL_LIBS=$sdl_libs
2998 SDL_CFLAGS=$sdl_cflags
2999 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3000 EXTRALIBS=$extralibs
3001 EOF
3002
3003 get_version(){
3004 name=$1
3005 file=$source_path/$2
3006 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3007 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3008 lcname=$(tolower $name)
3009 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3010 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3011 }
3012
3013 get_version LIBSWSCALE libswscale/swscale.h
3014 get_version LIBPOSTPROC libpostproc/postprocess.h
3015 get_version LIBAVCODEC libavcodec/avcodec.h
3016 get_version LIBAVDEVICE libavdevice/avdevice.h
3017 get_version LIBAVFORMAT libavformat/avformat.h
3018 get_version LIBAVUTIL libavutil/avutil.h
3019 get_version LIBAVFILTER libavfilter/avfilter.h
3020
3021 enabled shared && cat >> config.mak <<EOF
3022 LIBTARGET=${LIBTARGET}
3023 SLIBNAME=${SLIBNAME}
3024 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3025 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3026 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3027 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3028 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3029 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3030 EOF
3031
3032 enabled asmalign_pot || align_shift="1 <<"
3033
3034 cat > $TMPH <<EOF
3035 /* Automatically generated by configure - do not modify! */
3036 #ifndef FFMPEG_CONFIG_H
3037 #define FFMPEG_CONFIG_H
3038 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3039 #define FFMPEG_LICENSE "$(c_escape $license)"
3040 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3041 #define CC_TYPE "$cc_type"
3042 #define CC_VERSION $cc_version
3043 #define restrict $_restrict
3044 #define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3045 #define EXTERN_PREFIX "${extern_prefix}"
3046 #define EXTERN_ASM ${extern_prefix}
3047 EOF
3048
3049 test -n "$malloc_prefix" &&
3050 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3051
3052 if enabled small || disabled optimizations; then
3053 echo "#define av_always_inline" >> $TMPH
3054 fi
3055
3056 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3057 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3058 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3059 $CONFIG_EXTRA \
3060 $DECODER_LIST \
3061 $ENCODER_LIST \
3062 $HWACCEL_LIST \
3063 $PARSER_LIST \
3064 $BSF_LIST \
3065 $DEMUXER_LIST \
3066 $MUXER_LIST \
3067 $FILTER_LIST \
3068 $PROTOCOL_LIST \
3069 $INDEV_LIST \
3070 $OUTDEV_LIST \
3071
3072 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3073 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3074
3075 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3076 cp_if_changed $TMPH config.h
3077
3078 cat > $TMPH <<EOF
3079 /* Generated by ffconf */
3080 #ifndef AVUTIL_AVCONFIG_H
3081 #define AVUTIL_AVCONFIG_H
3082 EOF
3083
3084 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3085
3086 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3087
3088 cp_if_changed $TMPH libavutil/avconfig.h
3089
3090 # build pkg-config files
3091
3092 pkgconfig_generate(){
3093 name=$1
3094 shortname=${name#lib}${build_suffix}
3095 comment=$2
3096 version=$3
3097 libs=$4
3098 requires=$5
3099 cat <<EOF > $name/$name.pc
3100 prefix=$prefix
3101 exec_prefix=\${prefix}
3102 libdir=$libdir
3103 includedir=$incdir
3104
3105 Name: $name
3106 Description: $comment
3107 Version: $version
3108 Requires: $(enabled shared || echo $requires)
3109 Requires.private: $(enabled shared && echo $requires)
3110 Conflicts:
3111 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3112 Libs.private: $(enabled shared && echo $libs)
3113 Cflags: -I\${includedir}
3114 EOF
3115 cat <<EOF > $name/$name-uninstalled.pc
3116 prefix=
3117 exec_prefix=
3118 libdir=\${pcfiledir}
3119 includedir=${source_path}
3120
3121 Name: $name
3122 Description: $comment
3123 Version: $version
3124 Requires: $requires
3125 Conflicts:
3126 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3127 Cflags: -I\${includedir}
3128 EOF
3129 }
3130
3131 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3132 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3133 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3134 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3135 enabled avfilter &&
3136 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3137 enabled postproc &&
3138 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3139 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"