8b7b99668089669861d5158aa32a2261ccd97355
[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 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
72 echo
73 echo "Configuration options:"
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-version3 upgrade (L)GPL to version 3 [no]"
79 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
80 echo " and binaries will be unredistributable [no]"
81 echo " --disable-ffmpeg disable ffmpeg build"
82 echo " --disable-ffplay disable ffplay build"
83 echo " --disable-ffserver disable ffserver build"
84 echo " --enable-postproc enable GPLed postprocessing support [no]"
85 echo " --enable-avfilter video filter support [no]"
86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
87 echo " --enable-beosthreads use BeOS threads [no]"
88 echo " --enable-os2threads use OS/2 threads [no]"
89 echo " --enable-pthreads use pthreads [no]"
90 echo " --enable-w32threads use Win32 threads [no]"
91 echo " --enable-x11grab enable X11 grabbing [no]"
92 echo " --disable-network disable network support [no]"
93 echo " --disable-ipv6 disable IPv6 support [no]"
94 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
95 echo " --enable-gray enable full grayscale support (slower color)"
96 echo " --disable-swscale-alpha disable alpha channel support in swscale"
97 echo " --disable-fastdiv disable table-based division"
98 echo " --enable-small optimize for size instead of speed"
99 echo " --disable-aandct disable AAN DCT code"
100 echo " --disable-fft disable FFT code"
101 echo " --disable-golomb disable Golomb code"
102 echo " --disable-mdct disable MDCT code"
103 echo " --disable-rdft disable RDFT code"
104 echo " --disable-vaapi disable VAAPI code"
105 echo " --disable-vdpau disable VDPAU code"
106 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
107 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
108 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
109 echo " --enable-beos-netserver enable BeOS netserver"
110 echo " --disable-encoder=NAME disable encoder NAME"
111 echo " --enable-encoder=NAME enable encoder NAME"
112 echo " --disable-encoders disable all encoders"
113 echo " --disable-decoder=NAME disable decoder NAME"
114 echo " --enable-decoder=NAME enable decoder NAME"
115 echo " --disable-decoders disable all decoders"
116 echo " --disable-hwaccel=NAME disable hwaccel NAME"
117 echo " --enable-hwaccel=NAME enable hwaccel NAME"
118 echo " --disable-hwaccels disable all hwaccels"
119 echo " --disable-muxer=NAME disable muxer NAME"
120 echo " --enable-muxer=NAME enable muxer NAME"
121 echo " --disable-muxers disable all muxers"
122 echo " --disable-demuxer=NAME disable demuxer NAME"
123 echo " --enable-demuxer=NAME enable demuxer NAME"
124 echo " --disable-demuxers disable all demuxers"
125 echo " --enable-parser=NAME enable parser NAME"
126 echo " --disable-parser=NAME disable parser NAME"
127 echo " --disable-parsers disable all parsers"
128 echo " --enable-bsf=NAME enable bitstream filter NAME"
129 echo " --disable-bsf=NAME disable bitstream filter NAME"
130 echo " --disable-bsfs disable all bitstream filters"
131 echo " --enable-protocol=NAME enable protocol NAME"
132 echo " --disable-protocol=NAME disable protocol NAME"
133 echo " --disable-protocols disable all protocols"
134 echo " --disable-indev=NAME disable input device NAME"
135 echo " --disable-outdev=NAME disable output device NAME"
136 echo " --disable-indevs disable input devices"
137 echo " --disable-outdevs disable output devices"
138 echo " --disable-devices disable all devices"
139 echo " --enable-filter=NAME enable filter NAME"
140 echo " --disable-filter=NAME disable filter NAME"
141 echo " --disable-filters disable all filters"
142 echo " --list-decoders show all available decoders"
143 echo " --list-encoders show all available encoders"
144 echo " --list-hwaccels show all available hardware accelerators"
145 echo " --list-muxers show all available muxers"
146 echo " --list-demuxers show all available demuxers"
147 echo " --list-parsers show all available parsers"
148 echo " --list-protocols show all available protocols"
149 echo " --list-bsfs show all available bitstream filters"
150 echo " --list-indevs show all available input devices"
151 echo " --list-outdevs show all available output devices"
152 echo " --list-filters show all available filters"
153 echo
154 echo "External library support:"
155 echo " --enable-avisynth enable reading of AVISynth script files [no]"
156 echo " --enable-bzlib enable bzlib [autodetect]"
157 echo " --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
158 echo " --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
159 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
160 echo " and libraw1394 [no]"
161 echo " --enable-libdirac enable Dirac support via libdirac [no]"
162 echo " --enable-libfaac enable FAAC support via libfaac [no]"
163 echo " --enable-libfaad enable FAAD support via libfaad [no]"
164 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
165 echo " --enable-libgsm enable GSM support via libgsm [no]"
166 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
167 echo " --enable-libnut enable NUT (de)muxing via libnut,"
168 echo " native (de)muxer exists [no]"
169 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
170 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
171 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
172 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
173 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
174 echo " native implementation exists [no]"
175 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
176 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
177 echo " native MPEG-4/Xvid encoder exists [no]"
178 echo " --enable-mlib enable Sun medialib [no]"
179 echo " --enable-zlib enable zlib [autodetect]"
180 echo ""
181 echo "Advanced options (experts only):"
182 echo " --source-path=PATH path to source code [$source_path]"
183 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
184 echo " --enable-cross-compile assume a cross-compiler is used"
185 echo " --sysroot=PATH root of cross-build tree"
186 echo " --sysinclude=PATH location of cross-build system headers"
187 echo " --target-os=OS compiler targets OS [$target_os]"
188 echo " --target-exec=CMD command to run executables on target"
189 echo " --target-path=DIR path to view of build directory on target"
190 echo " --nm=NM use nm tool"
191 echo " --as=AS use assembler AS [$as_default]"
192 echo " --cc=CC use C compiler CC [$cc_default]"
193 echo " --ld=LD use linker LD"
194 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
195 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
196 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
197 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
198 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
199 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
200 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
201 echo " --extra-version=STRING version string suffix []"
202 echo " --build-suffix=SUFFIX library name suffix []"
203 echo " --arch=ARCH select architecture [$arch]"
204 echo " --cpu=CPU select the minimum required CPU (affects"
205 echo " instruction selection, may crash on older CPUs)"
206 echo " --enable-powerpc-perf enable performance report on PPC"
207 echo " (requires enabling PMC)"
208 echo " --disable-altivec disable AltiVec optimizations"
209 echo " --disable-amd3dnow disable 3DNow! optimizations"
210 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
211 echo " --disable-mmx disable MMX optimizations"
212 echo " --disable-mmx2 disable MMX2 optimizations"
213 echo " --disable-sse disable SSE optimizations"
214 echo " --disable-ssse3 disable SSSE3 optimizations"
215 echo " --disable-armv5te disable armv5te optimizations"
216 echo " --disable-armv6 disable armv6 optimizations"
217 echo " --disable-armv6t2 disable armv6t2 optimizations"
218 echo " --disable-armvfp disable ARM VFP optimizations"
219 echo " --disable-iwmmxt disable iwmmxt optimizations"
220 echo " --disable-mmi disable MMI optimizations"
221 echo " --disable-neon disable neon optimizations"
222 echo " --disable-vis disable VIS optimizations"
223 echo " --disable-yasm disable use of yasm assembler"
224 echo
225 echo "Developer options (useful when working on FFmpeg itself):"
226 echo " --disable-debug disable debugging symbols"
227 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
228 echo " --enable-gprof enable profiling with gprof [$gprof]"
229 echo " --disable-optimizations disable compiler optimizations"
230 echo " --enable-extra-warnings enable more compiler warnings"
231 echo " --disable-stripping disable stripping of executables and shared libraries"
232 echo ""
233 echo "NOTE: Object files are built at the place where configure is launched."
234 exit 0
235 }
236
237 log(){
238 echo "$@" >> $logfile
239 }
240
241 log_file(){
242 log BEGIN $1
243 pr -n -t $1 >> $logfile
244 log END $1
245 }
246
247 echolog(){
248 log "$@"
249 echo "$@"
250 }
251
252 die(){
253 echolog "$@"
254 cat <<EOF
255
256 If you think configure made a mistake, make sure you are using the latest
257 version from SVN. If the latest version fails, report the problem to the
258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
259 EOF
260 if disabled logging; then
261 cat <<EOF
262 Rerun configure with logging enabled (do not use --disable-logging), and
263 include the log this produces with your report.
264 EOF
265 else
266 cat <<EOF
267 Include the log file "$logfile" produced by configure as this will help
268 solving the problem.
269 EOF
270 fi
271 exit 1
272 }
273
274 # Avoid locale weirdness, besides we really just want to translate ASCII.
275 toupper(){
276 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
277 }
278
279 tolower(){
280 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
281 }
282
283 c_escape(){
284 echo "$*" | sed 's/["\\]/\\\0/g'
285 }
286
287 sh_quote(){
288 v=$(echo "$1" | sed "s/'/'\\\\''/g")
289 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
290 echo "$v"
291 }
292
293 set_all(){
294 value=$1
295 shift
296 for var in $*; do
297 eval $var=$value
298 done
299 }
300
301 set_weak(){
302 value=$1
303 shift
304 for var; do
305 eval : \${$var:=$value}
306 done
307 }
308
309 pushvar(){
310 for var in $*; do
311 eval level=\${${var}_level:=0}
312 eval ${var}_${level}="\$$var"
313 eval ${var}_level=$(($level+1))
314 done
315 }
316
317 popvar(){
318 for var in $*; do
319 eval level=\${${var}_level:-0}
320 test $level = 0 && continue
321 eval level=$(($level-1))
322 eval $var="\${${var}_${level}}"
323 eval ${var}_level=$level
324 eval unset ${var}_${level}
325 done
326 }
327
328 enable(){
329 set_all yes $*
330 }
331
332 disable(){
333 set_all no $*
334 }
335
336 enable_weak(){
337 set_weak yes $*
338 }
339
340 disable_weak(){
341 set_weak no $*
342 }
343
344 enable_safe(){
345 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
346 }
347
348 disable_safe(){
349 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
350 }
351
352 do_enable_deep(){
353 for var; do
354 enabled $var && continue
355 eval sel="\$${var}_select"
356 eval sgs="\$${var}_suggest"
357 pushvar var sgs
358 enable_deep $sel
359 popvar sgs
360 enable_deep_weak $sgs
361 popvar var
362 done
363 }
364
365 enable_deep(){
366 do_enable_deep $*
367 enable $*
368 }
369
370 enable_deep_weak(){
371 do_enable_deep $*
372 enable_weak $*
373 }
374
375 enabled(){
376 test "${1#!}" = "$1" && op== || op=!=
377 eval test "x\$${1#!}" $op "xyes"
378 }
379
380 disabled(){
381 test "${1#!}" = "$1" && op== || op=!=
382 eval test "x\$${1#!}" $op "xno"
383 }
384
385 enabled_all(){
386 for opt; do
387 enabled $opt || return 1
388 done
389 }
390
391 disabled_all(){
392 for opt; do
393 disabled $opt || return 1
394 done
395 }
396
397 enabled_any(){
398 for opt; do
399 enabled $opt && return 0
400 done
401 }
402
403 disabled_any(){
404 for opt; do
405 disabled $opt && return 0
406 done
407 return 1
408 }
409
410 set_default(){
411 for opt; do
412 eval : \${$opt:=\$${opt}_default}
413 done
414 }
415
416 is_in(){
417 value=$1
418 shift
419 for var in $*; do
420 [ $var = $value ] && return 0
421 done
422 return 1
423 }
424
425 check_deps(){
426 for cfg; do
427 cfg="${cfg#!}"
428 enabled ${cfg}_checking && die "Circular dependency for $cfg."
429 disabled ${cfg}_checking && continue
430 enable ${cfg}_checking
431
432 eval dep_all="\$${cfg}_deps"
433 eval dep_any="\$${cfg}_deps_any"
434 eval dep_sel="\$${cfg}_select"
435 eval dep_sgs="\$${cfg}_suggest"
436
437 pushvar cfg dep_all dep_any dep_sel dep_sgs
438 check_deps $dep_all $dep_any $dep_sel $dep_sgs
439 popvar cfg dep_all dep_any dep_sel dep_sgs
440
441 enabled_all $dep_all || disable $cfg
442 enabled_any $dep_any || disable $cfg
443 disabled_any $dep_sel && disable $cfg
444
445 if enabled $cfg; then
446 eval dep_extralibs="\$${cfg}_extralibs"
447 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
448 enable_deep $dep_sel
449 enable_deep_weak $dep_sgs
450 fi
451
452 disable ${cfg}_checking
453 done
454 }
455
456 print_config(){
457 pfx=$1
458 header=$2
459 makefile=$3
460 shift 3
461 for cfg; do
462 ucname="$(toupper $cfg)"
463 if enabled $cfg; then
464 echo "#define ${pfx}${ucname} 1" >> $header
465 echo "${pfx}${ucname}=yes" >> $makefile
466 else
467 echo "#define ${pfx}${ucname} 0" >> $header
468 fi
469 done
470 }
471
472 flags_saved(){
473 (: ${SAVE_CFLAGS?}) 2> /dev/null
474 }
475
476 save_flags(){
477 flags_saved && return
478 SAVE_CFLAGS="$CFLAGS"
479 SAVE_LDFLAGS="$LDFLAGS"
480 SAVE_extralibs="$extralibs"
481 }
482
483 restore_flags(){
484 flags_saved || return
485 CFLAGS="$SAVE_CFLAGS"
486 LDFLAGS="$SAVE_LDFLAGS"
487 extralibs="$SAVE_extralibs"
488 unset SAVE_CFLAGS
489 unset SAVE_LDFLAGS
490 unset SAVE_extralibs
491 }
492
493 temp_cflags(){
494 save_flags
495 CFLAGS="$CFLAGS $*"
496 }
497
498 temp_ldflags(){
499 save_flags
500 LDFLAGS="$LDFLAGS $*"
501 }
502
503 temp_extralibs(){
504 save_flags
505 extralibs="$extralibs $*"
506 }
507
508 append(){
509 var=$1
510 shift
511 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
512 eval "$var=\"\$$var $*\""
513 }
514
515 add_cppflags(){
516 append CPPFLAGS $($filter_cppflags "$@")
517 }
518
519 add_cflags(){
520 append CFLAGS $($filter_cflags "$@")
521 }
522
523 add_asflags(){
524 append ASFLAGS $($filter_asflags "$@")
525 }
526
527 add_ldflags(){
528 append LDFLAGS "$@"
529 }
530
531 add_extralibs(){
532 append extralibs "$@"
533 }
534
535 check_cmd(){
536 log "$@"
537 "$@" >> $logfile 2>&1
538 }
539
540 check_cc(){
541 log check_cc "$@"
542 cat > $TMPC
543 log_file $TMPC
544 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
545 }
546
547 check_cpp(){
548 log check_cpp "$@"
549 cat > $TMPC
550 log_file $TMPC
551 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
552 }
553
554 check_as(){
555 log check_as "$@"
556 cat > $TMPC
557 log_file $TMPC
558 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
559 }
560
561 check_asm(){
562 log check_asm "$@"
563 name="$1"
564 asm="$2"
565 shift 2
566 check_as "$@" <<EOF && enable $name || disable $name
567 void foo(void){ __asm__ volatile($asm); }
568 EOF
569 }
570
571 check_yasm(){
572 log check_yasm "$@"
573 echo "$1" > $TMPS
574 log_file $TMPS
575 shift 1
576 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
577 }
578
579 check_ld(){
580 log check_ld "$@"
581 check_cc || return
582 flags=''
583 libs=''
584 for f; do
585 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
586 done
587 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
588 }
589
590 check_cppflags(){
591 log check_cppflags "$@"
592 set -- $($filter_cppflags "$@")
593 check_cc "$@" <<EOF && append CPPFLAGS "$@"
594 int x;
595 EOF
596 }
597
598 check_cflags(){
599 log check_cflags "$@"
600 set -- $($filter_cflags "$@")
601 check_cc "$@" <<EOF && append CFLAGS "$@"
602 int x;
603 EOF
604 }
605
606 check_ldflags(){
607 log check_ldflags "$@"
608 check_ld "$@" <<EOF && add_ldflags "$@"
609 int main(void){ return 0; }
610 EOF
611 }
612
613 check_header(){
614 log check_header "$@"
615 header=$1
616 shift
617 disable_safe $header
618 check_cpp "$@" <<EOF && enable_safe $header
619 #include <$header>
620 int x;
621 EOF
622 }
623
624 check_func(){
625 log check_func "$@"
626 func=$1
627 shift
628 disable $func
629 check_ld "$@" <<EOF && enable $func
630 extern int $func();
631 int main(void){ $func(); }
632 EOF
633 }
634
635 check_func_headers(){
636 log check_func_headers "$@"
637 headers=$1
638 func=$2
639 shift 2
640 disable $func
641 incs=""
642 for hdr in $headers; do
643 incs="$incs
644 #include <$hdr>"
645 done
646 check_ld "$@" <<EOF && enable $func && enable_safe $headers
647 $incs
648 int main(int argc, char **argv){
649 return (long) $func;
650 }
651 EOF
652 }
653
654 check_cpp_condition(){
655 log check_cpp_condition "$@"
656 header=$1
657 condition=$2
658 check_cpp <<EOF
659 #include <$header>
660 #if !($condition)
661 #error "unsatisfied condition: $condition"
662 #endif
663 EOF
664 }
665
666 check_lib(){
667 log check_lib "$@"
668 header="$1"
669 func="$2"
670 shift 2
671 temp_extralibs "$@"
672 check_header $header && check_func $func && add_extralibs "$@"
673 err=$?
674 restore_flags
675 return $err
676 }
677
678 check_lib2(){
679 log check_lib2 "$@"
680 headers="$1"
681 func="$2"
682 shift 2
683 temp_extralibs "$@"
684 check_func_headers "$headers" $func && add_extralibs "$@"
685 err=$?
686 restore_flags
687 return $err
688 }
689
690 check_exec(){
691 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
692 }
693
694 check_exec_crash(){
695 code=$(cat)
696
697 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
698 # are safe but may not be available everywhere. Thus we use
699 # raise(SIGTERM) instead. The check is run in a subshell so we
700 # can redirect the "Terminated" message from the shell. SIGBUS
701 # is not defined by standard C so it is used conditionally.
702
703 (check_exec "$@") >> $logfile 2>&1 <<EOF
704 #include <signal.h>
705 static void sighandler(int sig){
706 raise(SIGTERM);
707 }
708 int main(void){
709 signal(SIGILL, sighandler);
710 signal(SIGFPE, sighandler);
711 signal(SIGSEGV, sighandler);
712 #ifdef SIGBUS
713 signal(SIGBUS, sighandler);
714 #endif
715 { $code }
716 }
717 EOF
718 }
719
720 check_type(){
721 log check_type "$@"
722 headers=$1
723 type=$2
724 shift 2
725 disable $type
726 incs=""
727 for hdr in $headers; do
728 incs="$incs
729 #include <$hdr>"
730 done
731 check_cc "$@" <<EOF && enable $type
732 $incs
733 $type v;
734 EOF
735 }
736
737 require(){
738 name="$1"
739 header="$2"
740 func="$3"
741 shift 3
742 check_lib $header $func "$@" || die "ERROR: $name not found"
743 }
744
745 require2(){
746 name="$1"
747 headers="$2"
748 func="$3"
749 shift 3
750 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
751 }
752
753 check_foo_config(){
754 cfg=$1
755 pkg=$2
756 header=$3
757 func=$4
758 shift 4
759 disable $cfg
760 check_cmd ${pkg}-config --version
761 err=$?
762 if test "$err" = 0; then
763 temp_cflags $(${pkg}-config --cflags)
764 temp_extralibs $(${pkg}-config --libs)
765 check_lib "$@" $header $func && enable $cfg
766 fi
767 return $err
768 }
769
770 apply(){
771 file=$1
772 shift
773 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
774 }
775
776 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
777 # system-dependent things.
778
779 COMPONENT_LIST="
780 bsfs
781 decoders
782 demuxers
783 encoders
784 filters
785 hwaccels
786 indevs
787 muxers
788 outdevs
789 parsers
790 protocols
791 "
792
793 CONFIG_LIST="
794 $COMPONENT_LIST
795 aandct
796 avfilter
797 avfilter_lavf
798 avisynth
799 beos_netserver
800 bzlib
801 fastdiv
802 ffmpeg
803 ffplay
804 ffserver
805 fft
806 golomb
807 gpl
808 gprof
809 gray
810 hardcoded_tables
811 ipv6
812 libdc1394
813 libdirac
814 libfaac
815 libfaad
816 libfaadbin
817 libgsm
818 libmp3lame
819 libnut
820 libopencore_amrnb
821 libopencore_amrwb
822 libopenjpeg
823 libschroedinger
824 libspeex
825 libtheora
826 libvorbis
827 libx264
828 libxvid
829 mdct
830 memalign_hack
831 mlib
832 mpegaudio_hp
833 network
834 nonfree
835 postproc
836 powerpc_perf
837 rdft
838 runtime_cpudetect
839 shared
840 small
841 static
842 swscale_alpha
843 vaapi
844 vdpau
845 version3
846 x11grab
847 zlib
848 "
849
850 THREADS_LIST='
851 beosthreads
852 os2threads
853 pthreads
854 w32threads
855 '
856
857 ARCH_LIST='
858 alpha
859 arm
860 bfin
861 ia64
862 m68k
863 mips
864 mips64
865 parisc
866 ppc
867 ppc64
868 s390
869 sh4
870 sparc
871 sparc64
872 x86
873 x86_32
874 x86_64
875 '
876
877 ARCH_EXT_LIST='
878 altivec
879 amd3dnow
880 amd3dnowext
881 armv5te
882 armv6
883 armv6t2
884 armvfp
885 iwmmxt
886 mmi
887 mmx
888 mmx2
889 neon
890 ppc4xx
891 sse
892 ssse3
893 vis
894 '
895
896 HAVE_LIST="
897 $ARCH_EXT_LIST
898 $THREADS_LIST
899 alsa_asoundlib_h
900 altivec_h
901 arpa_inet_h
902 attribute_packed
903 bigendian
904 bswap
905 closesocket
906 cmov
907 conio_h
908 dcbzl
909 dev_bktr_ioctl_bt848_h
910 dev_bktr_ioctl_meteor_h
911 dev_ic_bt8xx_h
912 dev_video_meteor_ioctl_meteor_h
913 dev_video_bktr_ioctl_bt848_h
914 dlfcn_h
915 dlopen
916 dos_paths
917 ebp_available
918 ebx_available
919 fast_64bit
920 fast_cmov
921 fast_unaligned
922 fork
923 gethrtime
924 GetProcessTimes
925 getrusage
926 inet_aton
927 inline_asm
928 ldbrx
929 libdc1394_1
930 libdc1394_2
931 llrint
932 log2
933 loongson
934 lrint
935 lrintf
936 lzo1x_999_compress
937 machine_ioctl_bt848_h
938 machine_ioctl_meteor_h
939 malloc_h
940 memalign
941 mkstemp
942 pld
943 posix_memalign
944 round
945 roundf
946 sdl
947 sdl_video_size
948 setmode
949 socklen_t
950 soundcard_h
951 poll_h
952 sys_mman_h
953 sys_resource_h
954 sys_select_h
955 sys_soundcard_h
956 sys_videoio_h
957 ten_operands
958 termios_h
959 threads
960 truncf
961 VirtualAlloc
962 winsock2_h
963 xform_asm
964 yasm
965 "
966
967 # options emitted with CONFIG_ prefix but not available on command line
968 CONFIG_EXTRA="
969 gplv3
970 lgplv3
971 "
972
973 CMDLINE_SELECT="
974 $ARCH_EXT_LIST
975 $CONFIG_LIST
976 $THREADS_LIST
977 cross_compile
978 debug
979 extra_warnings
980 logging
981 optimizations
982 stripping
983 yasm
984 "
985
986 PATHS_LIST='
987 bindir
988 datadir
989 incdir
990 libdir
991 mandir
992 prefix
993 shlibdir
994 '
995
996 CMDLINE_SET="
997 $PATHS_LIST
998 arch
999 as
1000 build_suffix
1001 cc
1002 cpu
1003 cross_prefix
1004 dep_cc
1005 extra_cflags
1006 extra_version
1007 host_cc
1008 host_cflags
1009 host_ldflags
1010 host_libs
1011 host_os
1012 ld
1013 logfile
1014 nm
1015 source_path
1016 sysinclude
1017 sysroot
1018 target_exec
1019 target_os
1020 target_path
1021 "
1022
1023 # code dependency declarations
1024
1025 # architecture extensions
1026 altivec_deps="ppc"
1027 amd3dnow_deps="mmx"
1028 amd3dnowext_deps="amd3dnow"
1029 armv5te_deps="arm"
1030 armv6_deps="arm"
1031 armv6t2_deps="arm"
1032 armvfp_deps="arm"
1033 iwmmxt_deps="arm"
1034 mmi_deps="mips"
1035 mmx_deps="x86"
1036 mmx2_deps="mmx"
1037 neon_deps="arm"
1038 ppc4xx_deps="ppc"
1039 sse_deps="mmx"
1040 ssse3_deps="sse"
1041 vis_deps="sparc"
1042
1043 need_memalign="altivec neon sse"
1044
1045 # decoders / encoders / hardware accelerators
1046 aac_decoder_select="fft mdct"
1047 ac3_decoder_select="fft mdct"
1048 atrac3_decoder_select="fft mdct"
1049 cavs_decoder_select="golomb"
1050 cook_decoder_select="fft mdct"
1051 cscd_decoder_suggest="zlib"
1052 dca_decoder_select="fft mdct"
1053 dnxhd_encoder_select="aandct"
1054 dxa_decoder_select="zlib"
1055 eac3_decoder_select="fft mdct"
1056 eatgq_decoder_select="aandct"
1057 eatqi_decoder_select="aandct"
1058 ffv1_decoder_select="golomb"
1059 flac_decoder_select="golomb"
1060 flac_encoder_select="golomb"
1061 flashsv_decoder_select="zlib"
1062 flashsv_encoder_select="zlib"
1063 flv_encoder_select="aandct"
1064 h261_encoder_select="aandct"
1065 h263_encoder_select="aandct"
1066 h263_vaapi_hwaccel_deps="va_va_h"
1067 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1068 h263p_encoder_select="aandct"
1069 h264_decoder_select="golomb"
1070 h264_vaapi_hwaccel_deps="va_va_h"
1071 h264_vaapi_hwaccel_select="vaapi"
1072 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1073 h264_vdpau_decoder_select="vdpau h264_decoder"
1074 imc_decoder_select="fft mdct"
1075 jpegls_decoder_select="golomb"
1076 jpegls_encoder_select="golomb"
1077 ljpeg_encoder_select="aandct"
1078 loco_decoder_select="golomb"
1079 mjpeg_encoder_select="aandct"
1080 mpeg1video_encoder_select="aandct"
1081 mpeg2video_encoder_select="aandct"
1082 mpeg4_encoder_select="aandct"
1083 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1084 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1085 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1086 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1087 mpeg2_vaapi_hwaccel_deps="va_va_h"
1088 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1089 mpeg4_vaapi_hwaccel_deps="va_va_h"
1090 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1091 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1092 msmpeg4v1_encoder_select="aandct"
1093 msmpeg4v2_encoder_select="aandct"
1094 msmpeg4v3_encoder_select="aandct"
1095 nellymoser_decoder_select="fft mdct"
1096 nellymoser_encoder_select="fft mdct"
1097 png_decoder_select="zlib"
1098 png_encoder_select="zlib"
1099 qdm2_decoder_select="fft mdct rdft"
1100 rv10_encoder_select="aandct"
1101 rv20_encoder_select="aandct"
1102 rv30_decoder_select="golomb"
1103 rv40_decoder_select="golomb"
1104 shorten_decoder_select="golomb"
1105 sonic_decoder_select="golomb"
1106 sonic_encoder_select="golomb"
1107 sonic_ls_encoder_select="golomb"
1108 svq3_decoder_select="golomb"
1109 svq3_decoder_suggest="zlib"
1110 tiff_decoder_suggest="zlib"
1111 tiff_encoder_suggest="zlib"
1112 tscc_decoder_select="zlib"
1113 vc1_vaapi_hwaccel_deps="va_va_h"
1114 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1115 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1116 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1117 vorbis_decoder_select="fft mdct"
1118 vorbis_encoder_select="fft mdct"
1119 wmav1_decoder_select="fft mdct"
1120 wmav1_encoder_select="fft mdct"
1121 wmav2_decoder_select="fft mdct"
1122 wmav2_encoder_select="fft mdct"
1123 wmv1_encoder_select="aandct"
1124 wmv2_encoder_select="aandct"
1125 wmv3_vaapi_hwaccel_deps="va_va_h"
1126 wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1127 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1128 wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1129 zlib_decoder_select="zlib"
1130 zlib_encoder_select="zlib"
1131 zmbv_decoder_select="zlib"
1132 zmbv_encoder_select="zlib"
1133
1134 # parsers
1135 h264_parser_select="golomb"
1136
1137 # external libraries
1138 libdirac_decoder_deps="libdirac !libschroedinger"
1139 libdirac_encoder_deps="libdirac"
1140 libfaac_encoder_deps="libfaac"
1141 libfaad_decoder_deps="libfaad"
1142 libfaadbin_decoder_extralibs='$ldl'
1143 libgsm_decoder_deps="libgsm"
1144 libgsm_encoder_deps="libgsm"
1145 libgsm_ms_decoder_deps="libgsm"
1146 libgsm_ms_encoder_deps="libgsm"
1147 libmp3lame_encoder_deps="libmp3lame"
1148 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1149 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1150 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1151 libopenjpeg_decoder_deps="libopenjpeg"
1152 libschroedinger_decoder_deps="libschroedinger"
1153 libschroedinger_encoder_deps="libschroedinger"
1154 libspeex_decoder_deps="libspeex"
1155 libtheora_encoder_deps="libtheora"
1156 libvorbis_encoder_deps="libvorbis"
1157 libx264_encoder_deps="libx264"
1158 libxvid_encoder_deps="libxvid"
1159
1160 # demuxers / muxers
1161 ac3_demuxer_deps="ac3_parser"
1162 asf_stream_muxer_select="asf_muxer"
1163 avisynth_demuxer_deps="avisynth"
1164 dirac_demuxer_deps="dirac_parser"
1165 ipod_muxer_select="mov_muxer"
1166 libnut_demuxer_deps="libnut"
1167 libnut_muxer_deps="libnut"
1168 matroska_audio_muxer_select="matroska_muxer"
1169 matroska_demuxer_suggest="zlib bzlib"
1170 mov_demuxer_suggest="zlib"
1171 mp3_demuxer_deps="mpegaudio_parser"
1172 mp4_muxer_select="mov_muxer"
1173 mpegtsraw_demuxer_select="mpegts_demuxer"
1174 mxf_d10_muxer_select="mxf_muxer"
1175 psp_muxer_select="mov_muxer"
1176 redir_demuxer_deps="network"
1177 rtp_muxer_deps="network rtp_protocol"
1178 rtsp_demuxer_deps="sdp_demuxer"
1179 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1180 tg2_muxer_select="mov_muxer"
1181 tgp_muxer_select="mov_muxer"
1182
1183 # indevs / outdevs
1184 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1185 alsa_indev_extralibs="-lasound"
1186 alsa_outdev_deps="alsa_asoundlib_h"
1187 alsa_outdev_extralibs="-lasound"
1188 audio_beos_indev_deps="audio_beos"
1189 audio_beos_indev_extralibs="-lmedia -lbe"
1190 audio_beos_outdev_deps="audio_beos"
1191 audio_beos_outdev_extralibs="-lmedia -lbe"
1192 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1193 dv1394_indev_deps="dv1394 dv_demuxer"
1194 jack_indev_deps="jack_jack_h"
1195 jack_indev_extralibs="-ljack"
1196 libdc1394_indev_deps="libdc1394"
1197 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1198 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1199 v4l_indev_deps="linux_videodev_h"
1200 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1201 vfwcap_indev_deps="capCreateCaptureWindow"
1202 vfwcap_indev_extralibs="-lvfw32"
1203 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1204 x11_grab_device_indev_extralibs="-lX11 -lXext"
1205
1206 # protocols
1207 gopher_protocol_deps="network"
1208 http_protocol_deps="network"
1209 rtp_protocol_deps="udp_protocol"
1210 tcp_protocol_deps="network"
1211 udp_protocol_deps="network"
1212
1213 # filters
1214 movie_filter_deps="avfilter_lavf"
1215
1216 # programs
1217 ffplay_deps="sdl"
1218 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1219 ffserver_extralibs='$ldl'
1220
1221
1222 # default parameters
1223
1224 logfile="config.err"
1225
1226 # installation paths
1227 prefix_default="/usr/local"
1228 bindir_default='${prefix}/bin'
1229 datadir_default='${prefix}/share/ffmpeg'
1230 incdir_default='${prefix}/include'
1231 libdir_default='${prefix}/lib'
1232 mandir_default='${prefix}/share/man'
1233 shlibdir_default="$libdir_default"
1234
1235 # toolchain
1236 ar="ar"
1237 cc_default="gcc"
1238 host_cc_default="gcc"
1239 ln_s="ln -sf"
1240 nm_default="nm"
1241 objformat="elf"
1242 ranlib="ranlib"
1243 strip="strip"
1244 yasmexe="yasm"
1245
1246 # machine
1247 arch=$(uname -m)
1248 cpu="generic"
1249
1250 # OS
1251 target_os=$(tolower $(uname -s))
1252 host_os=$target_os
1253
1254 # configurable options
1255 enable debug
1256 enable fastdiv
1257 enable ffmpeg
1258 enable ffplay
1259 enable ffserver
1260 enable ipv6
1261 enable mpegaudio_hp
1262 enable network
1263 enable optimizations
1264 enable protocols
1265 enable static
1266 enable stripping
1267 enable swscale_alpha
1268
1269 # build settings
1270 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1271 FFSERVERLDFLAGS=-Wl,-E
1272 LIBPREF="lib"
1273 LIBSUF=".a"
1274 FULLNAME='$(NAME)$(BUILDSUF)'
1275 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1276 SLIBPREF="lib"
1277 SLIBSUF=".so"
1278 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1279 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1280 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1281 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1282
1283 CC_O='-o $@'
1284
1285 host_cflags='-O3 -g -Wall'
1286 host_libs='-lm'
1287
1288 target_path='.'
1289
1290 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1291 # full relative path for objects in subdirectories for non-recursive Make.
1292 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1293 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1294
1295 # find source path
1296 source_path="$(dirname "$0")"
1297 enable source_path_used
1298 if test -f configure; then
1299 source_path="$(pwd)"
1300 disable source_path_used
1301 else
1302 source_path="$(cd "$source_path"; pwd)"
1303 echo "$source_path" | grep -q '[[:blank:]]' &&
1304 die "Out of tree builds are impossible with whitespace in source path."
1305 test -e "$source_path/config.h" &&
1306 die "Out of tree builds are impossible with config.h in source dir."
1307 fi
1308
1309 for v in "$@"; do
1310 r=${v#*=}
1311 l=${v%"$r"}
1312 r=$(sh_quote "$r")
1313 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1314 done
1315
1316 find_things(){
1317 thing=$1
1318 pattern=$2
1319 file=$source_path/$3
1320 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1321 }
1322
1323 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1324 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1325 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1326 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1327 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1328 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1329 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1330 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1331 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1332 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1333 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1334
1335 enable $ARCH_EXT_LIST \
1336 $DECODER_LIST \
1337 $ENCODER_LIST \
1338 $HWACCEL_LIST \
1339 $PARSER_LIST \
1340 $BSF_LIST \
1341 $DEMUXER_LIST \
1342 $MUXER_LIST \
1343 $FILTER_LIST \
1344 $PROTOCOL_LIST \
1345 $INDEV_LIST \
1346 $OUTDEV_LIST \
1347
1348 die_unknown(){
1349 echo "Unknown option \"$1\"."
1350 echo "See $0 --help for available options."
1351 exit 1
1352 }
1353
1354 show_list() {
1355 suffix=_$1
1356 shift
1357 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1358 exit 0
1359 }
1360
1361 for opt do
1362 optval="${opt#*=}"
1363 case "$opt" in
1364 --extra-ldflags=*) add_ldflags $optval
1365 ;;
1366 --extra-libs=*) add_extralibs $optval
1367 ;;
1368 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1369 ;;
1370 --enable-debug=*) debuglevel="$optval"
1371 ;;
1372 --enable-*=*|--disable-*=*)
1373 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1374 case "$thing" in
1375 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1376 *) die_unknown "$opt" ;;
1377 esac
1378 ;;
1379 --enable-?*|--disable-?*)
1380 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1381 if is_in $option $COMPONENT_LIST; then
1382 test $action = disable && action=unset
1383 eval $action \$$(toupper ${option%s})_LIST
1384 elif is_in $option $CMDLINE_SELECT; then
1385 $action $option
1386 else
1387 die_unknown $opt
1388 fi
1389 ;;
1390 --list-*)
1391 NAME="${opt#--list-}"
1392 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1393 NAME=${NAME%s}
1394 eval show_list $NAME \$$(toupper $NAME)_LIST
1395 ;;
1396 --help|-h) show_help
1397 ;;
1398 *)
1399 optname="${opt%%=*}"
1400 optname="${optname#--}"
1401 optname=$(echo "$optname" | sed 's/-/_/g')
1402 is_in $optname $CMDLINE_SET || die_unknown $opt
1403 eval $optname='$optval'
1404 ;;
1405 esac
1406 done
1407
1408 disabled logging && logfile=/dev/null
1409
1410 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1411 set >> $logfile
1412
1413 test -n "$cross_prefix" && enable cross_compile
1414
1415 ar="${cross_prefix}${ar}"
1416 cc_default="${cross_prefix}${cc_default}"
1417 nm_default="${cross_prefix}${nm_default}"
1418 ranlib="${cross_prefix}${ranlib}"
1419 strip="${cross_prefix}${strip}"
1420
1421 sysinclude_default="${sysroot}/usr/include"
1422
1423 set_default cc nm sysinclude
1424 enabled cross_compile || host_cc_default=$cc
1425 set_default host_cc
1426
1427 exesuf() {
1428 case $1 in
1429 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1430 esac
1431 }
1432
1433 EXESUF=$(exesuf $target_os)
1434 HOSTEXESUF=$(exesuf $host_os)
1435
1436 # set temporary file name
1437 : ${TMPDIR:=$TEMPDIR}
1438 : ${TMPDIR:=$TMP}
1439 : ${TMPDIR:=/tmp}
1440
1441 if ! check_cmd type mktemp; then
1442 # simple replacement for missing mktemp
1443 # NOT SAFE FOR GENERAL USE
1444 mktemp(){
1445 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1446 }
1447 fi
1448
1449 tmpfile(){
1450 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1451 (set -C; exec > $tmp) 2>/dev/null ||
1452 die "Unable to create temoporary file in $TMPDIR."
1453 append TMPFILES $tmp
1454 eval $1=$tmp
1455 }
1456
1457 trap 'rm -f -- $TMPFILES' EXIT
1458 trap exit HUP INT TERM
1459
1460 tmpfile TMPC .c
1461 tmpfile TMPE $EXESUF
1462 tmpfile TMPH .h
1463 tmpfile TMPO .o
1464 tmpfile TMPS .S
1465 tmpfile TMPSH .sh
1466
1467 unset -f mktemp
1468
1469 # make sure we can execute files in $TMPDIR
1470 cat > $TMPSH 2>> $logfile <<EOF
1471 #! /bin/sh
1472 EOF
1473 chmod +x $TMPSH >> $logfile 2>&1
1474 if ! $TMPSH >> $logfile 2>&1; then
1475 cat <<EOF
1476 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1477 variable to another directory and make sure that it is not mounted noexec.
1478 EOF
1479 die "Sanity test failed."
1480 fi
1481
1482 filter_cflags=echo
1483 filter_cppflags=echo
1484 filter_asflags=echo
1485
1486 if $cc --version 2>/dev/null | grep -qi gcc; then
1487 cc_type=gcc
1488 elif $cc --version 2>/dev/null | grep -q Intel; then
1489 cc_type=icc
1490 elif $cc -v 2>&1 | grep -q xlc; then
1491 cc_type=xlc
1492 elif $cc -V 2>/dev/null | grep -q Compaq; then
1493 cc_type=ccc
1494 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1495 debuglevel=3
1496 add_ldflags -Wl,-z,now # calls to libots crash without this
1497 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1498 test -d "$sysroot" || die "No valid sysroot specified."
1499 cc_type=armcc
1500 armcc_conf="$PWD/armcc.conf"
1501 $cc --arm_linux_configure \
1502 --arm_linux_config_file="$armcc_conf" \
1503 --configure_sysroot="$sysroot" \
1504 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1505 die "Error creating armcc configuration file."
1506 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1507 as_default="${cross_prefix}gcc"
1508 fi
1509
1510 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1511
1512 : ${as_default:=$cc}
1513 : ${dep_cc_default:=$cc}
1514 : ${ld_default:=$cc}
1515 set_default as dep_cc ld
1516
1517 add_cflags $extra_cflags
1518 add_asflags $extra_cflags
1519
1520 if test -n "$sysroot"; then
1521 case "$cc_type" in
1522 gcc)
1523 add_cppflags --sysroot="$sysroot"
1524 add_ldflags --sysroot="$sysroot"
1525 ;;
1526 esac
1527 fi
1528
1529 # Add processor-specific flags
1530 case $cpu in
1531 601|ppc601|PowerPC601)
1532 cpuflags="-mcpu=601"
1533 ;;
1534 603*|ppc603*|PowerPC603*)
1535 cpuflags="-mcpu=603"
1536 ;;
1537 604*|ppc604*|PowerPC604*)
1538 cpuflags="-mcpu=604"
1539 ;;
1540 G3|g3|75*|ppc75*|PowerPC75*)
1541 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1542 ;;
1543 G4|g4|745*|ppc745*|PowerPC745*)
1544 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1545 ;;
1546 74*|ppc74*|PowerPC74*)
1547 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1548 ;;
1549 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1550 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1551 ;;
1552 Cell|CELL|cell)
1553 cpuflags="-mcpu=cell"
1554 enable ldbrx
1555 ;;
1556 # targets that do NOT support conditional mov (cmov)
1557 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1558 cpuflags="-march=$cpu"
1559 disable cmov
1560 ;;
1561 # targets that do support conditional mov (cmov)
1562 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1563 cpuflags="-march=$cpu"
1564 enable cmov
1565 enable fast_cmov
1566 ;;
1567 # targets that do support conditional mov but on which it's slow
1568 pentium4|pentium4m|prescott|nocona)
1569 cpuflags="-march=$cpu"
1570 enable cmov
1571 disable fast_cmov
1572 ;;
1573 sparc64)
1574 cpuflags="-mcpu=v9"
1575 ;;
1576 arm11*|cortex*)
1577 cpuflags="-mcpu=$cpu"
1578 enable fast_unaligned
1579 ;;
1580 armv[67]*)
1581 cpuflags="-march=$cpu"
1582 enable fast_unaligned
1583 ;;
1584 armv*)
1585 cpuflags="-march=$cpu"
1586 ;;
1587 arm*)
1588 cpuflags="-mcpu=$cpu"
1589 ;;
1590 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1591 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1592 ;;
1593 bf*)
1594 cpuflags="-mcpu=$cpu"
1595 ;;
1596 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1597 cpuflags="-march=$cpu"
1598 ;;
1599 generic)
1600 ;;
1601 *)
1602 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1603 ;;
1604 esac
1605
1606 add_cflags $cpuflags
1607 add_asflags $cpuflags
1608
1609 # compiler sanity check
1610 check_exec <<EOF
1611 int main(void){ return 0; }
1612 EOF
1613 if test "$?" != 0; then
1614 echo "$cc is unable to create an executable file."
1615 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1616 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1617 echo "Only do this if you know what cross compiling means."
1618 fi
1619 die "C compiler test failed."
1620 fi
1621
1622 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1623 check_cflags -std=c99
1624 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1625 #include <stdlib.h>
1626 EOF
1627 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1628 #include <stdlib.h>
1629 EOF
1630
1631 case "$arch" in
1632 alpha)
1633 arch="alpha"
1634 enable fast_64bit
1635 check_cflags -mieee
1636 ;;
1637 arm|armv[4567]*l)
1638 arch="arm"
1639 ;;
1640 avr32)
1641 ;;
1642 bfin)
1643 arch="bfin"
1644 ;;
1645 ia64)
1646 arch="ia64"
1647 enable fast_64bit
1648 ;;
1649 m68k)
1650 arch="m68k"
1651 ;;
1652 mips|mipsel|IP*)
1653 arch="mips"
1654 ;;
1655 mips64)
1656 arch="mips"
1657 subarch="mips64"
1658 enable fast_64bit
1659 ;;
1660 parisc|hppa)
1661 arch="parisc"
1662 ;;
1663 parisc64|hppa64)
1664 arch="parisc"
1665 enable fast_64bit
1666 ;;
1667 "Power Macintosh"|ppc|powerpc)
1668 arch="ppc"
1669 enable fast_unaligned
1670 ;;
1671 ppc64)
1672 arch="ppc"
1673 subarch="ppc64"
1674 enable fast_64bit
1675 enable fast_unaligned
1676 ;;
1677 s390|s390x)
1678 arch="s390"
1679 ;;
1680 sh4|sh)
1681 arch="sh4"
1682 ;;
1683 sparc)
1684 arch="sparc"
1685 ;;
1686 sun4u|sparc64)
1687 arch="sparc"
1688 subarch="sparc64"
1689 enable fast_64bit
1690 ;;
1691 i386|i486|i586|i686|i86pc|BePC)
1692 arch="x86"
1693 subarch="x86_32"
1694 enable fast_unaligned
1695 ;;
1696 x86_64|amd64)
1697 arch="x86"
1698 subarch="x86_32"
1699 enable cmov
1700 enable fast_cmov
1701 enable fast_unaligned
1702 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1703 int test[sizeof(char*) - 7];
1704 EOF
1705 ;;
1706 *)
1707 arch="unknown"
1708 ;;
1709 esac
1710
1711 enable $arch $subarch
1712
1713 # OS specific
1714 case $target_os in
1715 beos|haiku|zeta)
1716 prefix_default="$HOME/config"
1717 # helps building libavcodec
1718 add_cppflags -DPIC
1719 add_cflags -fomit-frame-pointer
1720 # 3 gcc releases known for BeOS, each with ugly bugs
1721 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1722 case "$gcc_version" in
1723 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1724 disable mmx
1725 ;;
1726 *20010315*) echo "BeBits gcc"
1727 add_cflags -fno-expensive-optimizations
1728 ;;
1729 esac
1730 SHFLAGS=-nostart
1731 # enable BeOS things
1732 enable audio_beos
1733 # no need for libm, but the inet stuff
1734 # Check for BONE
1735 # XXX: actually should check for NOT net_server
1736 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1737 network_extralibs="-lbind -lsocket"
1738 else
1739 enable beos_netserver
1740 network_extralibs="-lnet"
1741 fi ;;
1742 sunos)
1743 FFSERVERLDFLAGS=""
1744 SHFLAGS='-shared -Wl,-h,$$(@F)'
1745 network_extralibs="-lsocket -lnsl"
1746 add_cppflags -D__EXTENSIONS__
1747 ;;
1748 netbsd)
1749 oss_indev_extralibs="-lossaudio"
1750 oss_outdev_extralibs="-lossaudio"
1751 ;;
1752 openbsd)
1753 enable malloc_aligned
1754 LIBOBJFLAGS='$(PIC)'
1755 SHFLAGS='-shared'
1756 oss_indev_extralibs="-lossaudio"
1757 oss_outdev_extralibs="-lossaudio"
1758 ;;
1759 freebsd|dragonfly)
1760 enable malloc_aligned
1761 ;;
1762 bsd/os)
1763 osextralibs="-lpoll -lgnugetopt"
1764 strip="strip -d"
1765 ;;
1766 darwin)
1767 enable malloc_aligned
1768 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1769 strip="strip -x"
1770 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1771 SLIBSUF=".dylib"
1772 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1773 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1774 FFSERVERLDFLAGS=-Wl,-bind_at_load
1775 objformat="macho"
1776 enabled x86_64 && objformat="macho64"
1777 ;;
1778 mingw32*)
1779 target_os=mingw32
1780 LIBTARGET=i386
1781 if enabled x86_64; then
1782 enable malloc_aligned
1783 LIBTARGET=x64
1784 elif enabled arm; then
1785 LIBTARGET=arm
1786 fi
1787 shlibdir_default="$bindir_default"
1788 disable ffserver
1789 SLIBPREF=""
1790 SLIBSUF=".dll"
1791 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1792 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1793 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1794 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1795 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1796 install -d "$(LIBDIR)"; \
1797 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1798 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1799 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1800 objformat="win32"
1801 enable dos_paths
1802 check_cflags -fno-common
1803 if ! enabled x86_64; then
1804 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1805 die "ERROR: MinGW runtime version must be >= 3.15."
1806 enabled_any avisynth vfwcap_indev &&
1807 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1808 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1809 fi
1810 ;;
1811 cygwin*)
1812 target_os=cygwin
1813 shlibdir_default="$bindir_default"
1814 SLIBPREF="cyg"
1815 SLIBSUF=".dll"
1816 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1817 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1818 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1819 objformat="win32"
1820 enable dos_paths
1821 check_cflags -fno-common
1822 ;;
1823 *-dos|freedos|opendos)
1824 disable ffplay ffserver
1825 disable $INDEV_LIST $OUTDEV_LIST
1826 network_extralibs="-lsocket"
1827 objformat="coff"
1828 enable dos_paths
1829 ;;
1830 linux)
1831 enable dv1394
1832 ;;
1833 irix*)
1834 target_os=irix
1835 ranlib="echo ignoring ranlib"
1836 ;;
1837 os/2*)
1838 strip="lxlite"
1839 ln_s="cp -f"
1840 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1841 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1842 FFSERVERLDFLAGS=""
1843 LIBSUF="_s.a"
1844 SLIBPREF=""
1845 SLIBSUF=".dll"
1846 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1847 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1848 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1849 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1850 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1851 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1852 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1853 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1854 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1855 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1856 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1857 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1858 enable dos_paths
1859 ;;
1860 gnu/kfreebsd)
1861 ;;
1862 gnu)
1863 ;;
1864
1865 *)
1866 die "Unknown OS '$target_os'."
1867 ;;
1868 esac
1869
1870 set_default $PATHS_LIST
1871
1872 add_extralibs $osextralibs
1873
1874 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1875 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1876
1877 # we need to build at least one lib type
1878 if ! enabled_any static shared; then
1879 cat <<EOF
1880 At least one library type must be built.
1881 Specify --enable-static to build the static libraries or --enable-shared to
1882 build the shared libraries as well. To only build the shared libraries specify
1883 --disable-static in addition to --enable-shared.
1884 EOF
1885 exit 1;
1886 fi
1887
1888 disabled static && LIBNAME=""
1889
1890 if enabled_any libfaad libfaadbin ; then
1891 if check_header faad.h; then
1892 check_cc <<EOF
1893 #include <faad.h>
1894 #ifndef FAAD2_VERSION
1895 ok faad1
1896 #endif
1897 int main(void) { return 0; }
1898 EOF
1899 test $? = 0 && enable libfaad2
1900 else
1901 die "FAAD test failed."
1902 fi
1903 fi
1904
1905
1906 die_license_disabled() {
1907 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1908 }
1909
1910 die_license_disabled gpl libfaad2
1911 die_license_disabled gpl libx264
1912 die_license_disabled gpl libxvid
1913 die_license_disabled gpl postproc
1914 die_license_disabled gpl x11grab
1915
1916 die_license_disabled nonfree libfaac
1917
1918 die_license_disabled version3 libopencore_amrnb
1919 die_license_disabled version3 libopencore_amrwb
1920
1921 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1922
1923 check_deps $ARCH_EXT_LIST
1924
1925 #Darwin CC versions
1926 if test $target_os = darwin; then
1927 if enabled xlc; then
1928 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1929 else
1930 add_cflags -pipe
1931 check_cflags -force_cpusubtype_ALL
1932 check_cflags -Wno-sign-compare
1933 enabled shared || check_cflags -mdynamic-no-pic
1934 fi
1935 fi
1936
1937 disabled optimizations || check_cflags -fomit-frame-pointer
1938
1939 check_cc <<EOF || die "Symbol mangling check failed."
1940 int ff_extern;
1941 EOF
1942 sym=$($nm -P -g $TMPO | grep ff_extern)
1943 extern_prefix=${sym%%ff_extern*}
1944
1945 check_cc <<EOF && enable inline_asm
1946 void foo(void) { __asm__ volatile ("" ::); }
1947 EOF
1948
1949 if enabled x86; then
1950 # check whether EBP is available on x86
1951 # As 'i' is stored on the stack, this program will crash
1952 # if the base pointer is used to access it because the
1953 # base pointer is cleared in the inline assembly code.
1954 check_exec_crash <<EOF && enable ebp_available
1955 volatile int i=0;
1956 __asm__ volatile (
1957 "xorl %%ebp, %%ebp"
1958 ::: "%ebp");
1959 return i;
1960 EOF
1961
1962 # check wether EBX is available on x86
1963 check_asm ebx_available '"":::"%ebx"'
1964
1965 # check whether more than 10 operands are supported
1966 check_cc <<EOF && enable ten_operands
1967 int main(void) {
1968 int x=0;
1969 __asm__ volatile(
1970 ""
1971 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1972 );
1973 return 0;
1974 }
1975 EOF
1976
1977 # check whether binutils is new enough to compile SSSE3/MMX2
1978 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1979 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1980
1981 check_asm bswap '"bswap %%eax" ::: "%eax"'
1982
1983 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1984 enabled x86_64 && append YASMFLAGS "-m amd64"
1985 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1986 case "$objformat" in
1987 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1988 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1989 *) append YASMFLAGS "-DPREFIX" ;;
1990 esac
1991 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1992 fi
1993
1994 # check for assembler specific support
1995
1996 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1997
1998 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1999 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2000 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2001
2002 # check for SIMD availability
2003
2004 # AltiVec flags: The FSF version of GCC differs from the Apple version
2005 if enabled altivec; then
2006 check_cflags -maltivec -mabi=altivec &&
2007 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2008 check_cflags -faltivec
2009
2010 # check if our compiler supports Motorola AltiVec C API
2011 check_cc <<EOF || disable altivec
2012 $inc_altivec_h
2013 int main(void) {
2014 vector signed int v1, v2, v3;
2015 v1 = vec_add(v2,v3);
2016 return 0;
2017 }
2018 EOF
2019
2020 # check if our compiler supports braces for vector declarations
2021 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2022 $inc_altivec_h
2023 int main (void) { (vector int) {1}; return 0; }
2024 EOF
2025 fi
2026
2027 # We have to check if pld is a nop and disable it.
2028 enabled arm && check_asm pld '"pld [r0]"'
2029 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2030 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2031 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2032 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2033 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2034 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2035 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2036 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2037
2038 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2039
2040 check_cc <<EOF || die "endian test failed"
2041 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2042 EOF
2043 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2044
2045 if check_func dlopen; then
2046 ldl=
2047 elif check_func dlopen -ldl; then
2048 ldl=-ldl
2049 fi
2050
2051 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2052 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2053
2054 check_func fork
2055 check_func gethrtime
2056 check_func getrusage
2057 check_func inet_aton $network_extralibs
2058 check_func memalign
2059 check_func mkstemp
2060 check_func posix_memalign
2061 check_func_headers io.h setmode
2062 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2063 check_func_headers windows.h GetProcessTimes
2064 check_func_headers windows.h VirtualAlloc
2065
2066 check_header conio.h
2067 check_header dlfcn.h
2068 check_header malloc.h
2069 check_header poll.h
2070 check_header sys/mman.h
2071 check_header sys/resource.h
2072 check_header sys/select.h
2073 check_header termios.h
2074 check_header vdpau/vdpau.h
2075 check_header vdpau/vdpau_x11.h
2076 check_header X11/extensions/XvMClib.h
2077
2078 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2079 enabled_any $need_memalign ; then
2080 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2081 fi
2082
2083 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2084 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2085
2086 # check for some common methods of building with pthread support
2087 # do this before the optional library checks as some of them require pthreads
2088 if enabled pthreads; then
2089 if check_func pthread_create; then
2090 :
2091 elif check_func pthread_create -pthread; then
2092 add_cflags -pthread
2093 add_extralibs -pthread
2094 elif check_func pthread_create -pthreads; then
2095 add_cflags -pthreads
2096 add_extralibs -pthreads
2097 elif check_func pthread_create -lpthreadGC2; then
2098 add_extralibs -lpthreadGC2
2099 elif ! check_lib pthread.h pthread_create -lpthread; then
2100 die "ERROR: can't find pthreads library"
2101 fi
2102 fi
2103
2104 for thread in $THREADS_LIST; do
2105 if enabled $thread; then
2106 test -n "$thread_type" &&
2107 die "ERROR: Only one thread type must be selected." ||
2108 thread_type="$thread"
2109 fi
2110 done
2111
2112 check_lib math.h sin -lm
2113 check_lib va/va.h vaInitialize -lva
2114
2115 check_func llrint
2116 check_func log2
2117 check_func lrint
2118 check_func lrintf
2119 check_func round
2120 check_func roundf
2121 check_func truncf
2122
2123 # these are off by default, so fail if requested and not available
2124 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2125 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2126 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2127 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2128 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2129 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2130 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2131 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2132 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2133 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2134 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2135 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2136 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2137 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2138 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2139 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2140 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2141 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2142 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2143 die "ERROR: libx264 version must be >= 0.65."; }
2144 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2145 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2146
2147 # libdc1394 check
2148 if enabled libdc1394; then
2149 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2150 enable libdc1394_2; } ||
2151 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2152 enable libdc1394_1; } ||
2153 die "ERROR: No version of libdc1394 found "
2154 fi
2155
2156
2157 _restrict=
2158 for restrict_keyword in restrict __restrict__ __restrict; do
2159 check_cc <<EOF && _restrict=$restrict_keyword && break
2160 void foo(char * $restrict_keyword p);
2161 EOF
2162 done
2163
2164 check_cc <<EOF && enable attribute_packed
2165 struct { int x; } __attribute__((packed)) x;
2166 EOF
2167
2168 disable sdl_too_old
2169 disable sdl
2170 SDL_CONFIG="${cross_prefix}sdl-config"
2171 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2172 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2173 temp_cflags $sdl_cflags
2174 temp_extralibs $("${SDL_CONFIG}" --libs)
2175 if check_lib2 SDL.h SDL_Init; then
2176 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2177 if test "$_sdlversion" -lt 121 ; then
2178 enable sdl_too_old
2179 else
2180 enable sdl
2181 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2182 #include <SDL.h>
2183 int main(int argc, char **argv){
2184 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2185 int w = vi->current_w;
2186 return 0;
2187 }
2188 EOF
2189 fi
2190 fi
2191 restore_flags
2192 fi
2193
2194 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2195
2196 if enabled network; then
2197 check_type "sys/types.h sys/socket.h" socklen_t
2198 # Prefer arpa/inet.h over winsock2
2199 if check_header arpa/inet.h ; then
2200 check_func closesocket
2201 elif check_header winsock2.h ; then
2202 check_func_headers winsock2.h closesocket -lws2 && \
2203 network_extralibs="-lws2" || \
2204 { check_func_headers winsock2.h closesocket -lws2_32 && \
2205 network_extralibs="-lws2_32"; }
2206 check_type ws2tcpip.h socklen_t
2207 else
2208 disable network
2209 fi
2210 fi
2211
2212 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2213 #include <sys/types.h>
2214 #include <sys/socket.h>
2215 #include <netinet/in.h>
2216 #include <netdb.h>
2217 int main(void) {
2218 struct sockaddr_storage saddr;
2219 struct ipv6_mreq mreq6;
2220 getaddrinfo(0,0,0,0);
2221 getnameinfo(0,0,0,0,0,0,0);
2222 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2223 }
2224 EOF
2225
2226 check_header linux/videodev.h
2227 check_header linux/videodev2.h
2228 check_header sys/videoio.h
2229
2230 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2231
2232 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2233 { check_header dev/bktr/ioctl_meteor.h &&
2234 check_header dev/bktr/ioctl_bt848.h; } ||
2235 { check_header machine/ioctl_meteor.h &&
2236 check_header machine/ioctl_bt848.h; } ||
2237 { check_header dev/video/meteor/ioctl_meteor.h &&
2238 check_header dev/video/bktr/ioctl_bt848.h; } ||
2239 check_header dev/ic/bt8xx.h
2240
2241 check_header sys/soundcard.h
2242 check_header soundcard.h
2243
2244 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2245
2246 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2247
2248 enabled x11grab &&
2249 check_header X11/Xlib.h &&
2250 check_header X11/extensions/XShm.h &&
2251 check_func XOpenDisplay -lX11 &&
2252 check_func XShmCreateImage -lX11 -lXext
2253
2254 enabled debug && add_cflags -g"$debuglevel"
2255
2256 # add some useful compiler flags if supported
2257 check_cflags -Wdeclaration-after-statement
2258 check_cflags -Wall
2259 check_cflags -Wno-switch
2260 check_cflags -Wdisabled-optimization
2261 check_cflags -Wpointer-arith
2262 check_cflags -Wredundant-decls
2263 check_cflags -Wno-pointer-sign
2264 check_cflags -Wcast-qual
2265 check_cflags -Wwrite-strings
2266 check_cflags -Wtype-limits
2267 check_cflags -Wundef
2268 enabled extra_warnings && check_cflags -Winline
2269
2270 # add some linker flags
2271 check_ldflags -Wl,--warn-common
2272 check_ldflags -Wl,--as-needed
2273 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'
2274 check_ldflags -Wl,-Bsymbolic
2275
2276 if enabled small; then
2277 check_cflags -Os # not all compilers support -Os
2278 optimizations="small"
2279 elif enabled optimizations; then
2280 if enabled xlc; then
2281 add_cflags -O5
2282 add_ldflags -O5
2283 elif enabled ccc; then
2284 add_cflags -fast
2285 else
2286 add_cflags -O3
2287 fi
2288 fi
2289 check_cflags -fno-math-errno
2290 check_cflags -fno-signed-zeros
2291
2292 if enabled icc; then
2293 # Just warnings, no remarks
2294 check_cflags -w1
2295 # -wd: Disable following warnings
2296 # 144, 167, 556: -Wno-pointer-sign
2297 # 10006: ignoring unknown option -fno-signed-zeros
2298 # 10156: ignoring option '-W'; no argument required
2299 check_cflags -wd144,167,556,10006,10156
2300 # 11030: Warning unknown option --as-needed
2301 # 10156: ignoring option '-export'; no argument required
2302 check_ldflags -wd10156,11030
2303 # Allow to compile with optimizations
2304 check_ldflags -march=$cpu
2305 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2306 enable ebp_available
2307 elif enabled ccc; then
2308 # disable some annoying warnings
2309 add_cflags -msg_disable cvtu32to64
2310 add_cflags -msg_disable embedcomment
2311 add_cflags -msg_disable needconstext
2312 add_cflags -msg_disable nomainieee
2313 add_cflags -msg_disable ptrmismatch1
2314 add_cflags -msg_disable unreachcode
2315 elif enabled gcc; then
2316 check_cflags -fno-tree-vectorize
2317 fi
2318
2319 # PIC flags for shared library objects where they are needed
2320 if enabled shared; then
2321 # LIBOBJFLAGS may have already been set in the OS configuration
2322 if test -z "$LIBOBJFLAGS" ; then
2323 case "${subarch-$arch}" in
2324 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2325 esac
2326 fi
2327 fi
2328
2329 if enabled gprof; then
2330 add_cflags -p
2331 add_ldflags -p
2332 fi
2333
2334 # Find out if the .align argument is a power of two or not.
2335 check_asm asmalign_pot '".align 3"'
2336
2337 enabled_any $DECODER_LIST && enable decoders
2338 enabled_any $ENCODER_LIST && enable encoders
2339 enabled_any $HWACCEL_LIST && enable hwaccels
2340 enabled_any $BSF_LIST && enable bsfs
2341 enabled_any $DEMUXER_LIST && enable demuxers
2342 enabled_any $MUXER_LIST && enable muxers
2343 enabled_any $FILTER_LIST && enable filters
2344 enabled_any $INDEV_LIST && enable demuxers
2345 enabled_any $OUTDEV_LIST && enable muxers
2346 enabled_any $PROTOCOL_LIST && enable protocols
2347
2348 enabled_any $THREADS_LIST && enable threads
2349
2350 check_deps $CONFIG_LIST \
2351 $CONFIG_EXTRA \
2352 $HAVE_LIST \
2353 $DECODER_LIST \
2354 $ENCODER_LIST \
2355 $HWACCEL_LIST \
2356 $PARSER_LIST \
2357 $BSF_LIST \
2358 $DEMUXER_LIST \
2359 $MUXER_LIST \
2360 $FILTER_LIST \
2361 $INDEV_LIST \
2362 $OUTDEV_LIST \
2363 $PROTOCOL_LIST \
2364
2365 echo "install prefix $prefix"
2366 echo "source path $source_path"
2367 echo "C compiler $cc"
2368 echo ".align is power-of-two $asmalign_pot"
2369 echo "ARCH $arch ($cpu)"
2370 if test "$build_suffix" != ""; then
2371 echo "build suffix $build_suffix"
2372 fi
2373 if test "$extra_version" != ""; then
2374 echo "version string suffix $extra_version"
2375 fi
2376 echo "big-endian ${bigendian-no}"
2377 echo "runtime cpu detection ${runtime_cpudetect-no}"
2378 if enabled x86; then
2379 echo "yasm ${yasm-no}"
2380 echo "MMX enabled ${mmx-no}"
2381 echo "MMX2 enabled ${mmx2-no}"
2382 echo "3DNow! enabled ${amd3dnow-no}"
2383 echo "3DNow! extended enabled ${amd3dnowext-no}"
2384 echo "SSE enabled ${sse-no}"
2385 echo "SSSE3 enabled ${ssse3-no}"
2386 echo "CMOV enabled ${cmov-no}"
2387 echo "CMOV is fast ${fast_cmov-no}"
2388 echo "EBX available ${ebx_available-no}"
2389 echo "EBP available ${ebp_available-no}"
2390 echo "10 operands supported ${ten_operands-no}"
2391 fi
2392 if enabled arm; then
2393 echo "ARMv5TE enabled ${armv5te-no}"
2394 echo "ARMv6 enabled ${armv6-no}"
2395 echo "ARMv6T2 enabled ${armv6t2-no}"
2396 echo "ARM VFP enabled ${armvfp-no}"
2397 echo "IWMMXT enabled ${iwmmxt-no}"
2398 echo "NEON enabled ${neon-no}"
2399 fi
2400 if enabled mips; then
2401 echo "MMI enabled ${mmi-no}"
2402 fi
2403 if enabled ppc; then
2404 echo "AltiVec enabled ${altivec-no}"
2405 echo "PPC 4xx optimizations ${ppc4xx-no}"
2406 echo "dcbzl available ${dcbzl-no}"
2407 echo "performance report ${powerpc_perf-no}"
2408 fi
2409 if enabled sparc; then
2410 echo "VIS enabled ${vis-no}"
2411 fi
2412 echo "gprof enabled ${gprof-no}"
2413 echo "debug symbols ${debug-no}"
2414 echo "strip symbols ${stripping-no}"
2415 echo "optimizations ${optimizations-no}"
2416 echo "static ${static-no}"
2417 echo "shared ${shared-no}"
2418 echo "postprocessing support ${postproc-no}"
2419 echo "new filter support ${avfilter-no}"
2420 echo "filters using lavformat ${avfilter_lavf-no}"
2421 echo "network support ${network-no}"
2422 if enabled network; then
2423 echo "IPv6 support ${ipv6-no}"
2424 fi
2425 echo "threading support ${thread_type-no}"
2426 echo "SDL support ${sdl-no}"
2427 if enabled sdl_too_old; then
2428 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2429 fi
2430 echo "Sun medialib support ${mlib-no}"
2431 echo "AVISynth enabled ${avisynth-no}"
2432 echo "libdc1394 support ${libdc1394-no}"
2433 echo "libdirac enabled ${libdirac-no}"
2434 echo "libfaac enabled ${libfaac-no}"
2435 echo "libfaad enabled ${libfaad-no}"
2436 echo "libfaad dlopened ${libfaadbin-no}"
2437 echo "libgsm enabled ${libgsm-no}"
2438 echo "libmp3lame enabled ${libmp3lame-no}"
2439 echo "libnut enabled ${libnut-no}"
2440 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2441 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2442 echo "libopenjpeg enabled ${libopenjpeg-no}"
2443 echo "libschroedinger enabled ${libschroedinger-no}"
2444 echo "libspeex enabled ${libspeex-no}"
2445 echo "libtheora enabled ${libtheora-no}"
2446 echo "libvorbis enabled ${libvorbis-no}"
2447 echo "libx264 enabled ${libx264-no}"
2448 echo "libxvid enabled ${libxvid-no}"
2449 echo "zlib enabled ${zlib-no}"
2450 echo "bzlib enabled ${bzlib-no}"
2451 echo
2452
2453 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2454 echo "Enabled ${type}s:"
2455 eval list=\$$(toupper $type)_LIST
2456 for part in $list; do
2457 enabled $part && echo ${part%_*}
2458 done | sort | pr -3 -t
2459 echo
2460 done
2461
2462 license="LGPL version 2.1 or later"
2463 if enabled nonfree; then
2464 license="nonfree and unredistributable"
2465 elif enabled gplv3; then
2466 license="GPL version 3 or later"
2467 elif enabled lgplv3; then
2468 license="LGPL version 3 or later"
2469 elif enabled gpl; then
2470 license="GPL version 2 or later"
2471 fi
2472
2473 echo "License: $license"
2474
2475 echo "Creating config.mak and config.h..."
2476
2477 echo "# Automatically generated by configure - do not modify!" > config.mak
2478 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2479 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2480 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2481 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2482 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2483
2484 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2485 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2486
2487 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2488 echo "prefix=$prefix" >> config.mak
2489 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2490 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2491 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2492 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2493 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2494 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2495 echo "SRC_PATH=\"$source_path\"" >> config.mak
2496 echo "SRC_PATH_BARE=$source_path" >> config.mak
2497 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2498 echo "CC=$cc" >> config.mak
2499 echo "AS=$as" >> config.mak
2500 echo "LD=$ld" >> config.mak
2501 echo "DEPCC=$dep_cc" >> config.mak
2502 echo "YASM=$yasmexe" >> config.mak
2503 echo "AR=$ar" >> config.mak
2504 echo "RANLIB=$ranlib" >> config.mak
2505 echo "LN_S=$ln_s" >> config.mak
2506 enabled stripping &&
2507 echo "STRIP=$strip" >> config.mak ||
2508 echo "STRIP=echo ignoring strip" >> config.mak
2509
2510 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2511 echo "CFLAGS=$CFLAGS" >> config.mak
2512 echo "ASFLAGS=$ASFLAGS" >> config.mak
2513 echo "CC_O=$CC_O" >> config.mak
2514 echo "LDFLAGS=$LDFLAGS" >> config.mak
2515 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2516 echo "SHFLAGS=$SHFLAGS" >> config.mak
2517 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2518 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2519 echo "BUILD_STATIC=$static" >> config.mak
2520 echo "BUILDSUF=$build_suffix" >> config.mak
2521 echo "FULLNAME=$FULLNAME" >> config.mak
2522 echo "LIBPREF=$LIBPREF" >> config.mak
2523 echo "LIBSUF=$LIBSUF" >> config.mak
2524 echo "LIBNAME=$LIBNAME" >> config.mak
2525 echo "SLIBPREF=$SLIBPREF" >> config.mak
2526 echo "SLIBSUF=$SLIBSUF" >> config.mak
2527 echo "EXESUF=$EXESUF" >> config.mak
2528 echo "EXTRA_VERSION=$extra_version" >> config.mak
2529 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2530 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2531 echo "HOSTCC=$host_cc" >> config.mak
2532 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2533 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2534 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2535 echo "HOSTLIBS=$host_libs" >> config.mak
2536 echo "TARGET_EXEC=$target_exec" >> config.mak
2537 echo "TARGET_PATH=$target_path" >> config.mak
2538
2539 if enabled bigendian; then
2540 echo "WORDS_BIGENDIAN=yes" >> config.mak
2541 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2542 fi
2543
2544 if enabled sdl; then
2545 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2546 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2547 fi
2548 if enabled texi2html; then
2549 echo "BUILD_DOC=yes" >> config.mak
2550 fi
2551
2552 get_version(){
2553 name=$1
2554 file=$source_path/$2
2555 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2556 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2557 lcname=$(tolower $name)
2558 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2559 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2560 }
2561
2562 get_version LIBSWSCALE libswscale/swscale.h
2563 get_version LIBPOSTPROC libpostproc/postprocess.h
2564 get_version LIBAVCODEC libavcodec/avcodec.h
2565 get_version LIBAVDEVICE libavdevice/avdevice.h
2566 get_version LIBAVFORMAT libavformat/avformat.h
2567 get_version LIBAVUTIL libavutil/avutil.h
2568 get_version LIBAVFILTER libavfilter/avfilter.h
2569
2570 if enabled shared; then
2571 echo "BUILD_SHARED=yes" >> config.mak
2572 echo "PIC=-fPIC -DPIC" >> config.mak
2573 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2574 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2575 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2576 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2577 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2578 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2579 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2580 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2581 fi
2582 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2583 echo "EXTRALIBS=$extralibs" >> config.mak
2584
2585 echo "ARCH=$arch" >> config.mak
2586
2587 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2588 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2589 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2590 $CONFIG_EXTRA \
2591 $DECODER_LIST \
2592 $ENCODER_LIST \
2593 $HWACCEL_LIST \
2594 $PARSER_LIST \
2595 $BSF_LIST \
2596 $DEMUXER_LIST \
2597 $MUXER_LIST \
2598 $FILTER_LIST \
2599 $PROTOCOL_LIST \
2600 $INDEV_LIST \
2601 $OUTDEV_LIST \
2602
2603 echo "#define restrict $_restrict" >> $TMPH
2604
2605 if enabled small; then
2606 echo "#define av_always_inline" >> $TMPH
2607 fi
2608
2609
2610 # Apparently it's not possible to portably echo a backslash.
2611 enabled asmalign_pot &&
2612 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2613 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2614
2615 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2616
2617 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2618 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2619
2620 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2621 cmp -s $TMPH config.h &&
2622 echo "config.h is unchanged" ||
2623 mv -f $TMPH config.h
2624
2625 # build tree in object directory if source path is different from current one
2626 if enabled source_path_used; then
2627 DIRS="\
2628 doc \
2629 libavcodec \
2630 libavcodec/alpha \
2631 libavcodec/arm \
2632 libavcodec/bfin \
2633 libavcodec/mlib \
2634 libavcodec/ppc \
2635 libavcodec/sh4 \
2636 libavcodec/sparc \
2637 libavcodec/x86 \
2638 libavdevice \
2639 libavfilter \
2640 libavformat \
2641 libavutil \
2642 libpostproc \
2643 libswscale \
2644 libswscale/bfin \
2645 libswscale/mlib \
2646 libswscale/ppc \
2647 libswscale/sparc \
2648 libswscale/x86 \
2649 tests \
2650 tools \
2651 "
2652 FILES="\
2653 Makefile \
2654 common.mak \
2655 subdir.mak \
2656 doc/texi2pod.pl \
2657 libavcodec/Makefile \
2658 libavdevice/Makefile \
2659 libavfilter/Makefile \
2660 libavformat/Makefile \
2661 libavutil/Makefile \
2662 libpostproc/Makefile \
2663 libswscale/Makefile \
2664 "
2665 for dir in $DIRS ; do
2666 mkdir -p $dir
2667 done
2668 for f in $FILES ; do
2669 $ln_s "$source_path/$f" $f
2670 done
2671 fi
2672
2673
2674 # build pkg-config files
2675
2676 pkgconfig_generate(){
2677 name=$1
2678 shortname=${name#lib}${build_suffix}
2679 comment=$2
2680 version=$3
2681 libs=$4
2682 requires=$5
2683 cat <<EOF > $name/$name.pc
2684 prefix=$prefix
2685 exec_prefix=\${prefix}
2686 libdir=$libdir
2687 includedir=$incdir
2688
2689 Name: $name
2690 Description: $comment
2691 Version: $version
2692 Requires: $(disabled shared && echo $requires)
2693 Requires.private: $(enabled shared && echo $requires)
2694 Conflicts:
2695 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2696 Libs.private: $(enabled shared && echo $libs)
2697 Cflags: -I\${includedir}
2698 EOF
2699 cat <<EOF > $name/$name-uninstalled.pc
2700 prefix=
2701 exec_prefix=
2702 libdir=\${pcfiledir}
2703 includedir=${source_path}
2704
2705 Name: $name
2706 Description: $comment
2707 Version: $version
2708 Requires: $requires
2709 Conflicts:
2710 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2711 Cflags: -I\${includedir}
2712 EOF
2713 }
2714
2715 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2716 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2717 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2718 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2719 enabled avfilter &&
2720 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2721 enabled postproc &&
2722 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2723 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"