Make WMV3 decoders depend on their VC-1 counterparts.
[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 inline_asm_deps="!tms470"
1045
1046 # decoders / encoders / hardware accelerators
1047 aac_decoder_select="fft mdct"
1048 ac3_decoder_select="fft mdct"
1049 atrac3_decoder_select="fft mdct"
1050 cavs_decoder_select="golomb"
1051 cook_decoder_select="fft mdct"
1052 cscd_decoder_suggest="zlib"
1053 dca_decoder_select="fft mdct"
1054 dnxhd_encoder_select="aandct"
1055 dxa_decoder_select="zlib"
1056 eac3_decoder_select="fft mdct"
1057 eatgq_decoder_select="aandct"
1058 eatqi_decoder_select="aandct"
1059 ffv1_decoder_select="golomb"
1060 flac_decoder_select="golomb"
1061 flac_encoder_select="golomb"
1062 flashsv_decoder_select="zlib"
1063 flashsv_encoder_select="zlib"
1064 flv_encoder_select="aandct"
1065 h261_encoder_select="aandct"
1066 h263_encoder_select="aandct"
1067 h263_vaapi_hwaccel_deps="va_va_h"
1068 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1069 h263p_encoder_select="aandct"
1070 h264_decoder_select="golomb"
1071 h264_vaapi_hwaccel_deps="va_va_h"
1072 h264_vaapi_hwaccel_select="vaapi"
1073 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1074 h264_vdpau_decoder_select="vdpau h264_decoder"
1075 imc_decoder_select="fft mdct"
1076 jpegls_decoder_select="golomb"
1077 jpegls_encoder_select="golomb"
1078 ljpeg_encoder_select="aandct"
1079 loco_decoder_select="golomb"
1080 mjpeg_encoder_select="aandct"
1081 mpeg1video_encoder_select="aandct"
1082 mpeg2video_encoder_select="aandct"
1083 mpeg4_encoder_select="aandct"
1084 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1085 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1086 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1087 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1088 mpeg2_vaapi_hwaccel_deps="va_va_h"
1089 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1090 mpeg4_vaapi_hwaccel_deps="va_va_h"
1091 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1092 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1093 msmpeg4v1_encoder_select="aandct"
1094 msmpeg4v2_encoder_select="aandct"
1095 msmpeg4v3_encoder_select="aandct"
1096 nellymoser_decoder_select="fft mdct"
1097 nellymoser_encoder_select="fft mdct"
1098 png_decoder_select="zlib"
1099 png_encoder_select="zlib"
1100 qdm2_decoder_select="fft mdct rdft"
1101 rv10_encoder_select="aandct"
1102 rv20_encoder_select="aandct"
1103 rv30_decoder_select="golomb"
1104 rv40_decoder_select="golomb"
1105 shorten_decoder_select="golomb"
1106 sonic_decoder_select="golomb"
1107 sonic_encoder_select="golomb"
1108 sonic_ls_encoder_select="golomb"
1109 svq3_decoder_select="golomb"
1110 svq3_decoder_suggest="zlib"
1111 tiff_decoder_suggest="zlib"
1112 tiff_encoder_suggest="zlib"
1113 tscc_decoder_select="zlib"
1114 vc1_vaapi_hwaccel_deps="va_va_h"
1115 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1116 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1117 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1118 vorbis_decoder_select="fft mdct"
1119 vorbis_encoder_select="fft mdct"
1120 wmav1_decoder_select="fft mdct"
1121 wmav1_encoder_select="fft mdct"
1122 wmav2_decoder_select="fft mdct"
1123 wmav2_encoder_select="fft mdct"
1124 wmv1_encoder_select="aandct"
1125 wmv2_encoder_select="aandct"
1126 wmv3_decoder_select="vc1_decoder"
1127 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1128 wmv3_vdpau_decoder_select="vc1_vdpau_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 elif $cc -version 2>/dev/null | grep -q TMS470; then
1509 cc_type=tms470
1510 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1511 CC_O='-fr=$(@D)'
1512 as_default="${cross_prefix}gcc"
1513 ld_default="${cross_prefix}gcc"
1514 dep_cc_default="${cross_prefix}gcc"
1515 TMPO=$(basename $TMPC .c).o
1516 append TMPFILES $TMPO
1517 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1518 DEPFLAGS='$(CPPFLAGS) -MM'
1519 filter_cflags=tms470_flags
1520 tms470_flags(){
1521 for flag; do
1522 case $flag in
1523 -march=*|-mcpu=*)
1524 case "${flag#*=}" in
1525 armv7-a|cortex-a*) echo -mv=7a8 ;;
1526 armv7-r|cortex-r*) echo -mv=7r4 ;;
1527 armv7-m|cortex-m*) echo -mv=7m3 ;;
1528 armv6*|arm11*) echo -mv=6 ;;
1529 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1530 echo -mv=5e ;;
1531 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1532 esac
1533 ;;
1534 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1535 -mfpu=vfp) echo --float_support=vfpv2 ;;
1536 -mfpu=softvfp) echo --float_support=vfplib ;;
1537 -Os) echo -O3 -mf=2 ;;
1538 -O[0-3]) echo $flag -mf=5 ;;
1539 -g) echo -g -mn ;;
1540 esac
1541 done
1542 }
1543 fi
1544
1545 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1546
1547 : ${as_default:=$cc}
1548 : ${dep_cc_default:=$cc}
1549 : ${ld_default:=$cc}
1550 set_default as dep_cc ld
1551
1552 add_cflags $extra_cflags
1553 add_asflags $extra_cflags
1554
1555 if test -n "$sysroot"; then
1556 case "$cc_type" in
1557 gcc)
1558 add_cppflags --sysroot="$sysroot"
1559 add_ldflags --sysroot="$sysroot"
1560 ;;
1561 tms470)
1562 add_cppflags -I"$sysinclude"
1563 add_ldflags --sysroot="$sysroot"
1564 ;;
1565 esac
1566 fi
1567
1568 # Add processor-specific flags
1569 case $cpu in
1570 601|ppc601|PowerPC601)
1571 cpuflags="-mcpu=601"
1572 ;;
1573 603*|ppc603*|PowerPC603*)
1574 cpuflags="-mcpu=603"
1575 ;;
1576 604*|ppc604*|PowerPC604*)
1577 cpuflags="-mcpu=604"
1578 ;;
1579 G3|g3|75*|ppc75*|PowerPC75*)
1580 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1581 ;;
1582 G4|g4|745*|ppc745*|PowerPC745*)
1583 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1584 ;;
1585 74*|ppc74*|PowerPC74*)
1586 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1587 ;;
1588 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1589 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1590 ;;
1591 Cell|CELL|cell)
1592 cpuflags="-mcpu=cell"
1593 enable ldbrx
1594 ;;
1595 # targets that do NOT support conditional mov (cmov)
1596 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1597 cpuflags="-march=$cpu"
1598 disable cmov
1599 ;;
1600 # targets that do support conditional mov (cmov)
1601 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1602 cpuflags="-march=$cpu"
1603 enable cmov
1604 enable fast_cmov
1605 ;;
1606 # targets that do support conditional mov but on which it's slow
1607 pentium4|pentium4m|prescott|nocona)
1608 cpuflags="-march=$cpu"
1609 enable cmov
1610 disable fast_cmov
1611 ;;
1612 sparc64)
1613 cpuflags="-mcpu=v9"
1614 ;;
1615 arm11*|cortex*)
1616 cpuflags="-mcpu=$cpu"
1617 enable fast_unaligned
1618 ;;
1619 armv[67]*)
1620 cpuflags="-march=$cpu"
1621 enable fast_unaligned
1622 ;;
1623 armv*)
1624 cpuflags="-march=$cpu"
1625 ;;
1626 arm*)
1627 cpuflags="-mcpu=$cpu"
1628 ;;
1629 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1630 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1631 ;;
1632 bf*)
1633 cpuflags="-mcpu=$cpu"
1634 ;;
1635 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1636 cpuflags="-march=$cpu"
1637 ;;
1638 generic)
1639 ;;
1640 *)
1641 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1642 ;;
1643 esac
1644
1645 add_cflags $cpuflags
1646 add_asflags $cpuflags
1647
1648 # compiler sanity check
1649 check_exec <<EOF
1650 int main(void){ return 0; }
1651 EOF
1652 if test "$?" != 0; then
1653 echo "$cc is unable to create an executable file."
1654 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1655 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1656 echo "Only do this if you know what cross compiling means."
1657 fi
1658 die "C compiler test failed."
1659 fi
1660
1661 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1662 check_cflags -std=c99
1663 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1664 #include <stdlib.h>
1665 EOF
1666 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1667 #include <stdlib.h>
1668 EOF
1669
1670 case "$arch" in
1671 alpha)
1672 arch="alpha"
1673 enable fast_64bit
1674 check_cflags -mieee
1675 ;;
1676 arm|armv[4567]*l)
1677 arch="arm"
1678 ;;
1679 avr32)
1680 ;;
1681 bfin)
1682 arch="bfin"
1683 ;;
1684 ia64)
1685 arch="ia64"
1686 enable fast_64bit
1687 ;;
1688 m68k)
1689 arch="m68k"
1690 ;;
1691 mips|mipsel|IP*)
1692 arch="mips"
1693 ;;
1694 mips64)
1695 arch="mips"
1696 subarch="mips64"
1697 enable fast_64bit
1698 ;;
1699 parisc|hppa)
1700 arch="parisc"
1701 ;;
1702 parisc64|hppa64)
1703 arch="parisc"
1704 enable fast_64bit
1705 ;;
1706 "Power Macintosh"|ppc|powerpc)
1707 arch="ppc"
1708 enable fast_unaligned
1709 ;;
1710 ppc64)
1711 arch="ppc"
1712 subarch="ppc64"
1713 enable fast_64bit
1714 enable fast_unaligned
1715 ;;
1716 s390|s390x)
1717 arch="s390"
1718 ;;
1719 sh4|sh)
1720 arch="sh4"
1721 ;;
1722 sparc)
1723 arch="sparc"
1724 ;;
1725 sun4u|sparc64)
1726 arch="sparc"
1727 subarch="sparc64"
1728 enable fast_64bit
1729 ;;
1730 i386|i486|i586|i686|i86pc|BePC)
1731 arch="x86"
1732 subarch="x86_32"
1733 enable fast_unaligned
1734 ;;
1735 x86_64|amd64)
1736 arch="x86"
1737 subarch="x86_32"
1738 enable cmov
1739 enable fast_cmov
1740 enable fast_unaligned
1741 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1742 int test[sizeof(char*) - 7];
1743 EOF
1744 ;;
1745 *)
1746 arch="unknown"
1747 ;;
1748 esac
1749
1750 enable $arch $subarch
1751
1752 # OS specific
1753 case $target_os in
1754 beos|haiku|zeta)
1755 prefix_default="$HOME/config"
1756 # helps building libavcodec
1757 add_cppflags -DPIC
1758 add_cflags -fomit-frame-pointer
1759 # 3 gcc releases known for BeOS, each with ugly bugs
1760 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1761 case "$gcc_version" in
1762 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1763 disable mmx
1764 ;;
1765 *20010315*) echo "BeBits gcc"
1766 add_cflags -fno-expensive-optimizations
1767 ;;
1768 esac
1769 SHFLAGS=-nostart
1770 # enable BeOS things
1771 enable audio_beos
1772 # no need for libm, but the inet stuff
1773 # Check for BONE
1774 # XXX: actually should check for NOT net_server
1775 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1776 network_extralibs="-lbind -lsocket"
1777 else
1778 enable beos_netserver
1779 network_extralibs="-lnet"
1780 fi ;;
1781 sunos)
1782 FFSERVERLDFLAGS=""
1783 SHFLAGS='-shared -Wl,-h,$$(@F)'
1784 network_extralibs="-lsocket -lnsl"
1785 add_cppflags -D__EXTENSIONS__
1786 ;;
1787 netbsd)
1788 oss_indev_extralibs="-lossaudio"
1789 oss_outdev_extralibs="-lossaudio"
1790 ;;
1791 openbsd)
1792 enable malloc_aligned
1793 LIBOBJFLAGS='$(PIC)'
1794 SHFLAGS='-shared'
1795 oss_indev_extralibs="-lossaudio"
1796 oss_outdev_extralibs="-lossaudio"
1797 ;;
1798 freebsd|dragonfly)
1799 enable malloc_aligned
1800 ;;
1801 bsd/os)
1802 osextralibs="-lpoll -lgnugetopt"
1803 strip="strip -d"
1804 ;;
1805 darwin)
1806 enable malloc_aligned
1807 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1808 strip="strip -x"
1809 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1810 SLIBSUF=".dylib"
1811 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1812 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1813 FFSERVERLDFLAGS=-Wl,-bind_at_load
1814 objformat="macho"
1815 enabled x86_64 && objformat="macho64"
1816 ;;
1817 mingw32*)
1818 target_os=mingw32
1819 LIBTARGET=i386
1820 if enabled x86_64; then
1821 enable malloc_aligned
1822 LIBTARGET=x64
1823 elif enabled arm; then
1824 LIBTARGET=arm
1825 fi
1826 shlibdir_default="$bindir_default"
1827 disable ffserver
1828 SLIBPREF=""
1829 SLIBSUF=".dll"
1830 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1831 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1832 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1833 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1834 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1835 install -d "$(LIBDIR)"; \
1836 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1837 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1838 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1839 objformat="win32"
1840 enable dos_paths
1841 check_cflags -fno-common
1842 if ! enabled x86_64; then
1843 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1844 die "ERROR: MinGW runtime version must be >= 3.15."
1845 enabled_any avisynth vfwcap_indev &&
1846 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1847 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1848 fi
1849 ;;
1850 cygwin*)
1851 target_os=cygwin
1852 shlibdir_default="$bindir_default"
1853 SLIBPREF="cyg"
1854 SLIBSUF=".dll"
1855 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1856 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1857 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1858 objformat="win32"
1859 enable dos_paths
1860 check_cflags -fno-common
1861 ;;
1862 *-dos|freedos|opendos)
1863 disable ffplay ffserver
1864 disable $INDEV_LIST $OUTDEV_LIST
1865 network_extralibs="-lsocket"
1866 objformat="coff"
1867 enable dos_paths
1868 ;;
1869 linux)
1870 enable dv1394
1871 ;;
1872 irix*)
1873 target_os=irix
1874 ranlib="echo ignoring ranlib"
1875 ;;
1876 os/2*)
1877 strip="lxlite"
1878 ln_s="cp -f"
1879 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1880 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1881 FFSERVERLDFLAGS=""
1882 LIBSUF="_s.a"
1883 SLIBPREF=""
1884 SLIBSUF=".dll"
1885 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1886 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1887 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1888 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1889 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1890 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1891 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1892 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1893 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1894 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1895 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1896 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1897 enable dos_paths
1898 ;;
1899 gnu/kfreebsd)
1900 ;;
1901 gnu)
1902 ;;
1903
1904 *)
1905 die "Unknown OS '$target_os'."
1906 ;;
1907 esac
1908
1909 set_default $PATHS_LIST
1910
1911 add_extralibs $osextralibs
1912
1913 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1914 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1915
1916 # we need to build at least one lib type
1917 if ! enabled_any static shared; then
1918 cat <<EOF
1919 At least one library type must be built.
1920 Specify --enable-static to build the static libraries or --enable-shared to
1921 build the shared libraries as well. To only build the shared libraries specify
1922 --disable-static in addition to --enable-shared.
1923 EOF
1924 exit 1;
1925 fi
1926
1927 disabled static && LIBNAME=""
1928
1929 if enabled_any libfaad libfaadbin ; then
1930 if check_header faad.h; then
1931 check_cc <<EOF
1932 #include <faad.h>
1933 #ifndef FAAD2_VERSION
1934 ok faad1
1935 #endif
1936 int main(void) { return 0; }
1937 EOF
1938 test $? = 0 && enable libfaad2
1939 else
1940 die "FAAD test failed."
1941 fi
1942 fi
1943
1944
1945 die_license_disabled() {
1946 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1947 }
1948
1949 die_license_disabled gpl libfaad2
1950 die_license_disabled gpl libx264
1951 die_license_disabled gpl libxvid
1952 die_license_disabled gpl postproc
1953 die_license_disabled gpl x11grab
1954
1955 die_license_disabled nonfree libfaac
1956
1957 die_license_disabled version3 libopencore_amrnb
1958 die_license_disabled version3 libopencore_amrwb
1959
1960 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1961
1962 check_deps $ARCH_EXT_LIST
1963
1964 #Darwin CC versions
1965 if test $target_os = darwin; then
1966 if enabled xlc; then
1967 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1968 else
1969 add_cflags -pipe
1970 check_cflags -force_cpusubtype_ALL
1971 check_cflags -Wno-sign-compare
1972 enabled shared || check_cflags -mdynamic-no-pic
1973 fi
1974 fi
1975
1976 disabled optimizations || check_cflags -fomit-frame-pointer
1977
1978 check_cc <<EOF || die "Symbol mangling check failed."
1979 int ff_extern;
1980 EOF
1981 sym=$($nm -P -g $TMPO | grep ff_extern)
1982 extern_prefix=${sym%%ff_extern*}
1983
1984 check_cc <<EOF && enable inline_asm
1985 void foo(void) { __asm__ volatile ("" ::); }
1986 EOF
1987
1988 if enabled x86; then
1989 # check whether EBP is available on x86
1990 # As 'i' is stored on the stack, this program will crash
1991 # if the base pointer is used to access it because the
1992 # base pointer is cleared in the inline assembly code.
1993 check_exec_crash <<EOF && enable ebp_available
1994 volatile int i=0;
1995 __asm__ volatile (
1996 "xorl %%ebp, %%ebp"
1997 ::: "%ebp");
1998 return i;
1999 EOF
2000
2001 # check wether EBX is available on x86
2002 check_asm ebx_available '"":::"%ebx"'
2003
2004 # check whether more than 10 operands are supported
2005 check_cc <<EOF && enable ten_operands
2006 int main(void) {
2007 int x=0;
2008 __asm__ volatile(
2009 ""
2010 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2011 );
2012 return 0;
2013 }
2014 EOF
2015
2016 # check whether binutils is new enough to compile SSSE3/MMX2
2017 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2018 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2019
2020 check_asm bswap '"bswap %%eax" ::: "%eax"'
2021
2022 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2023 enabled x86_64 && append YASMFLAGS "-m amd64"
2024 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2025 case "$objformat" in
2026 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2027 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2028 *) append YASMFLAGS "-DPREFIX" ;;
2029 esac
2030 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2031 fi
2032
2033 # check for assembler specific support
2034
2035 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2036
2037 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2038 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2039 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2040
2041 # check for SIMD availability
2042
2043 # AltiVec flags: The FSF version of GCC differs from the Apple version
2044 if enabled altivec; then
2045 check_cflags -maltivec -mabi=altivec &&
2046 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2047 check_cflags -faltivec
2048
2049 # check if our compiler supports Motorola AltiVec C API
2050 check_cc <<EOF || disable altivec
2051 $inc_altivec_h
2052 int main(void) {
2053 vector signed int v1, v2, v3;
2054 v1 = vec_add(v2,v3);
2055 return 0;
2056 }
2057 EOF
2058
2059 # check if our compiler supports braces for vector declarations
2060 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2061 $inc_altivec_h
2062 int main (void) { (vector int) {1}; return 0; }
2063 EOF
2064 fi
2065
2066 # We have to check if pld is a nop and disable it.
2067 enabled arm && check_asm pld '"pld [r0]"'
2068 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2069 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2070 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2071 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2072 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2073 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2074 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2075 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2076
2077 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2078
2079 check_cc <<EOF || die "endian test failed"
2080 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2081 EOF
2082 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2083
2084 if check_func dlopen; then
2085 ldl=
2086 elif check_func dlopen -ldl; then
2087 ldl=-ldl
2088 fi
2089
2090 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2091 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2092
2093 check_func fork
2094 check_func gethrtime
2095 check_func getrusage
2096 check_func inet_aton $network_extralibs
2097 check_func memalign
2098 check_func mkstemp
2099 check_func posix_memalign
2100 check_func_headers io.h setmode
2101 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2102 check_func_headers windows.h GetProcessTimes
2103 check_func_headers windows.h VirtualAlloc
2104
2105 check_header conio.h
2106 check_header dlfcn.h
2107 check_header malloc.h
2108 check_header poll.h
2109 check_header sys/mman.h
2110 check_header sys/resource.h
2111 check_header sys/select.h
2112 check_header termios.h
2113 check_header vdpau/vdpau.h
2114 check_header vdpau/vdpau_x11.h
2115 check_header X11/extensions/XvMClib.h
2116
2117 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2118 enabled_any $need_memalign ; then
2119 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2120 fi
2121
2122 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2123 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2124
2125 # check for some common methods of building with pthread support
2126 # do this before the optional library checks as some of them require pthreads
2127 if enabled pthreads; then
2128 if check_func pthread_create; then
2129 :
2130 elif check_func pthread_create -pthread; then
2131 add_cflags -pthread
2132 add_extralibs -pthread
2133 elif check_func pthread_create -pthreads; then
2134 add_cflags -pthreads
2135 add_extralibs -pthreads
2136 elif check_func pthread_create -lpthreadGC2; then
2137 add_extralibs -lpthreadGC2
2138 elif ! check_lib pthread.h pthread_create -lpthread; then
2139 die "ERROR: can't find pthreads library"
2140 fi
2141 fi
2142
2143 for thread in $THREADS_LIST; do
2144 if enabled $thread; then
2145 test -n "$thread_type" &&
2146 die "ERROR: Only one thread type must be selected." ||
2147 thread_type="$thread"
2148 fi
2149 done
2150
2151 check_lib math.h sin -lm
2152 check_lib va/va.h vaInitialize -lva
2153
2154 check_func llrint
2155 check_func log2
2156 check_func lrint
2157 check_func lrintf
2158 check_func round
2159 check_func roundf
2160 check_func truncf
2161
2162 # these are off by default, so fail if requested and not available
2163 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2164 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2165 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2166 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2167 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2168 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2169 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2170 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2171 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2172 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2173 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2174 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2175 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2176 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2177 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2178 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2179 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2180 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2181 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2182 die "ERROR: libx264 version must be >= 0.65."; }
2183 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2184 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2185
2186 # libdc1394 check
2187 if enabled libdc1394; then
2188 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2189 enable libdc1394_2; } ||
2190 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2191 enable libdc1394_1; } ||
2192 die "ERROR: No version of libdc1394 found "
2193 fi
2194
2195
2196 _restrict=
2197 for restrict_keyword in restrict __restrict__ __restrict; do
2198 check_cc <<EOF && _restrict=$restrict_keyword && break
2199 void foo(char * $restrict_keyword p);
2200 EOF
2201 done
2202
2203 check_cc <<EOF && enable attribute_packed
2204 struct { int x; } __attribute__((packed)) x;
2205 EOF
2206
2207 disable sdl_too_old
2208 disable sdl
2209 SDL_CONFIG="${cross_prefix}sdl-config"
2210 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2211 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2212 temp_cflags $sdl_cflags
2213 temp_extralibs $("${SDL_CONFIG}" --libs)
2214 if check_lib2 SDL.h SDL_Init; then
2215 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2216 if test "$_sdlversion" -lt 121 ; then
2217 enable sdl_too_old
2218 else
2219 enable sdl
2220 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2221 #include <SDL.h>
2222 int main(int argc, char **argv){
2223 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2224 int w = vi->current_w;
2225 return 0;
2226 }
2227 EOF
2228 fi
2229 fi
2230 restore_flags
2231 fi
2232
2233 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2234
2235 if enabled network; then
2236 check_type "sys/types.h sys/socket.h" socklen_t
2237 # Prefer arpa/inet.h over winsock2
2238 if check_header arpa/inet.h ; then
2239 check_func closesocket
2240 elif check_header winsock2.h ; then
2241 check_func_headers winsock2.h closesocket -lws2 && \
2242 network_extralibs="-lws2" || \
2243 { check_func_headers winsock2.h closesocket -lws2_32 && \
2244 network_extralibs="-lws2_32"; }
2245 check_type ws2tcpip.h socklen_t
2246 else
2247 disable network
2248 fi
2249 fi
2250
2251 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2252 #include <sys/types.h>
2253 #include <sys/socket.h>
2254 #include <netinet/in.h>
2255 #include <netdb.h>
2256 int main(void) {
2257 struct sockaddr_storage saddr;
2258 struct ipv6_mreq mreq6;
2259 getaddrinfo(0,0,0,0);
2260 getnameinfo(0,0,0,0,0,0,0);
2261 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2262 }
2263 EOF
2264
2265 check_header linux/videodev.h
2266 check_header linux/videodev2.h
2267 check_header sys/videoio.h
2268
2269 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2270
2271 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2272 { check_header dev/bktr/ioctl_meteor.h &&
2273 check_header dev/bktr/ioctl_bt848.h; } ||
2274 { check_header machine/ioctl_meteor.h &&
2275 check_header machine/ioctl_bt848.h; } ||
2276 { check_header dev/video/meteor/ioctl_meteor.h &&
2277 check_header dev/video/bktr/ioctl_bt848.h; } ||
2278 check_header dev/ic/bt8xx.h
2279
2280 check_header sys/soundcard.h
2281 check_header soundcard.h
2282
2283 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2284
2285 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2286
2287 enabled x11grab &&
2288 check_header X11/Xlib.h &&
2289 check_header X11/extensions/XShm.h &&
2290 check_func XOpenDisplay -lX11 &&
2291 check_func XShmCreateImage -lX11 -lXext
2292
2293 enabled debug && add_cflags -g"$debuglevel"
2294
2295 # add some useful compiler flags if supported
2296 check_cflags -Wdeclaration-after-statement
2297 check_cflags -Wall
2298 check_cflags -Wno-switch
2299 check_cflags -Wdisabled-optimization
2300 check_cflags -Wpointer-arith
2301 check_cflags -Wredundant-decls
2302 check_cflags -Wno-pointer-sign
2303 check_cflags -Wcast-qual
2304 check_cflags -Wwrite-strings
2305 check_cflags -Wtype-limits
2306 check_cflags -Wundef
2307 enabled extra_warnings && check_cflags -Winline
2308
2309 # add some linker flags
2310 check_ldflags -Wl,--warn-common
2311 check_ldflags -Wl,--as-needed
2312 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'
2313 check_ldflags -Wl,-Bsymbolic
2314
2315 if enabled small; then
2316 check_cflags -Os # not all compilers support -Os
2317 optimizations="small"
2318 elif enabled optimizations; then
2319 if enabled xlc; then
2320 add_cflags -O5
2321 add_ldflags -O5
2322 elif enabled ccc; then
2323 add_cflags -fast
2324 else
2325 add_cflags -O3
2326 fi
2327 fi
2328 check_cflags -fno-math-errno
2329 check_cflags -fno-signed-zeros
2330
2331 if enabled icc; then
2332 # Just warnings, no remarks
2333 check_cflags -w1
2334 # -wd: Disable following warnings
2335 # 144, 167, 556: -Wno-pointer-sign
2336 # 10006: ignoring unknown option -fno-signed-zeros
2337 # 10156: ignoring option '-W'; no argument required
2338 check_cflags -wd144,167,556,10006,10156
2339 # 11030: Warning unknown option --as-needed
2340 # 10156: ignoring option '-export'; no argument required
2341 check_ldflags -wd10156,11030
2342 # Allow to compile with optimizations
2343 check_ldflags -march=$cpu
2344 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2345 enable ebp_available
2346 elif enabled ccc; then
2347 # disable some annoying warnings
2348 add_cflags -msg_disable cvtu32to64
2349 add_cflags -msg_disable embedcomment
2350 add_cflags -msg_disable needconstext
2351 add_cflags -msg_disable nomainieee
2352 add_cflags -msg_disable ptrmismatch1
2353 add_cflags -msg_disable unreachcode
2354 elif enabled gcc; then
2355 check_cflags -fno-tree-vectorize
2356 fi
2357
2358 # PIC flags for shared library objects where they are needed
2359 if enabled shared; then
2360 # LIBOBJFLAGS may have already been set in the OS configuration
2361 if test -z "$LIBOBJFLAGS" ; then
2362 case "${subarch-$arch}" in
2363 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2364 esac
2365 fi
2366 fi
2367
2368 if enabled gprof; then
2369 add_cflags -p
2370 add_ldflags -p
2371 fi
2372
2373 # Find out if the .align argument is a power of two or not.
2374 check_asm asmalign_pot '".align 3"'
2375
2376 enabled_any $DECODER_LIST && enable decoders
2377 enabled_any $ENCODER_LIST && enable encoders
2378 enabled_any $HWACCEL_LIST && enable hwaccels
2379 enabled_any $BSF_LIST && enable bsfs
2380 enabled_any $DEMUXER_LIST && enable demuxers
2381 enabled_any $MUXER_LIST && enable muxers
2382 enabled_any $FILTER_LIST && enable filters
2383 enabled_any $INDEV_LIST && enable indevs
2384 enabled_any $OUTDEV_LIST && enable outdevs
2385 enabled_any $PROTOCOL_LIST && enable protocols
2386
2387 enabled_any $THREADS_LIST && enable threads
2388
2389 check_deps $CONFIG_LIST \
2390 $CONFIG_EXTRA \
2391 $HAVE_LIST \
2392 $DECODER_LIST \
2393 $ENCODER_LIST \
2394 $HWACCEL_LIST \
2395 $PARSER_LIST \
2396 $BSF_LIST \
2397 $DEMUXER_LIST \
2398 $MUXER_LIST \
2399 $FILTER_LIST \
2400 $INDEV_LIST \
2401 $OUTDEV_LIST \
2402 $PROTOCOL_LIST \
2403
2404 echo "install prefix $prefix"
2405 echo "source path $source_path"
2406 echo "C compiler $cc"
2407 echo ".align is power-of-two $asmalign_pot"
2408 echo "ARCH $arch ($cpu)"
2409 if test "$build_suffix" != ""; then
2410 echo "build suffix $build_suffix"
2411 fi
2412 if test "$extra_version" != ""; then
2413 echo "version string suffix $extra_version"
2414 fi
2415 echo "big-endian ${bigendian-no}"
2416 echo "runtime cpu detection ${runtime_cpudetect-no}"
2417 if enabled x86; then
2418 echo "yasm ${yasm-no}"
2419 echo "MMX enabled ${mmx-no}"
2420 echo "MMX2 enabled ${mmx2-no}"
2421 echo "3DNow! enabled ${amd3dnow-no}"
2422 echo "3DNow! extended enabled ${amd3dnowext-no}"
2423 echo "SSE enabled ${sse-no}"
2424 echo "SSSE3 enabled ${ssse3-no}"
2425 echo "CMOV enabled ${cmov-no}"
2426 echo "CMOV is fast ${fast_cmov-no}"
2427 echo "EBX available ${ebx_available-no}"
2428 echo "EBP available ${ebp_available-no}"
2429 echo "10 operands supported ${ten_operands-no}"
2430 fi
2431 if enabled arm; then
2432 echo "ARMv5TE enabled ${armv5te-no}"
2433 echo "ARMv6 enabled ${armv6-no}"
2434 echo "ARMv6T2 enabled ${armv6t2-no}"
2435 echo "ARM VFP enabled ${armvfp-no}"
2436 echo "IWMMXT enabled ${iwmmxt-no}"
2437 echo "NEON enabled ${neon-no}"
2438 fi
2439 if enabled mips; then
2440 echo "MMI enabled ${mmi-no}"
2441 fi
2442 if enabled ppc; then
2443 echo "AltiVec enabled ${altivec-no}"
2444 echo "PPC 4xx optimizations ${ppc4xx-no}"
2445 echo "dcbzl available ${dcbzl-no}"
2446 echo "performance report ${powerpc_perf-no}"
2447 fi
2448 if enabled sparc; then
2449 echo "VIS enabled ${vis-no}"
2450 fi
2451 echo "gprof enabled ${gprof-no}"
2452 echo "debug symbols ${debug-no}"
2453 echo "strip symbols ${stripping-no}"
2454 echo "optimizations ${optimizations-no}"
2455 echo "static ${static-no}"
2456 echo "shared ${shared-no}"
2457 echo "postprocessing support ${postproc-no}"
2458 echo "new filter support ${avfilter-no}"
2459 echo "filters using lavformat ${avfilter_lavf-no}"
2460 echo "network support ${network-no}"
2461 if enabled network; then
2462 echo "IPv6 support ${ipv6-no}"
2463 fi
2464 echo "threading support ${thread_type-no}"
2465 echo "SDL support ${sdl-no}"
2466 if enabled sdl_too_old; then
2467 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2468 fi
2469 echo "Sun medialib support ${mlib-no}"
2470 echo "AVISynth enabled ${avisynth-no}"
2471 echo "libdc1394 support ${libdc1394-no}"
2472 echo "libdirac enabled ${libdirac-no}"
2473 echo "libfaac enabled ${libfaac-no}"
2474 echo "libfaad enabled ${libfaad-no}"
2475 echo "libfaad dlopened ${libfaadbin-no}"
2476 echo "libgsm enabled ${libgsm-no}"
2477 echo "libmp3lame enabled ${libmp3lame-no}"
2478 echo "libnut enabled ${libnut-no}"
2479 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2480 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2481 echo "libopenjpeg enabled ${libopenjpeg-no}"
2482 echo "libschroedinger enabled ${libschroedinger-no}"
2483 echo "libspeex enabled ${libspeex-no}"
2484 echo "libtheora enabled ${libtheora-no}"
2485 echo "libvorbis enabled ${libvorbis-no}"
2486 echo "libx264 enabled ${libx264-no}"
2487 echo "libxvid enabled ${libxvid-no}"
2488 echo "zlib enabled ${zlib-no}"
2489 echo "bzlib enabled ${bzlib-no}"
2490 echo
2491
2492 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2493 echo "Enabled ${type}s:"
2494 eval list=\$$(toupper $type)_LIST
2495 for part in $list; do
2496 enabled $part && echo ${part%_*}
2497 done | sort | pr -3 -t
2498 echo
2499 done
2500
2501 license="LGPL version 2.1 or later"
2502 if enabled nonfree; then
2503 license="nonfree and unredistributable"
2504 elif enabled gplv3; then
2505 license="GPL version 3 or later"
2506 elif enabled lgplv3; then
2507 license="LGPL version 3 or later"
2508 elif enabled gpl; then
2509 license="GPL version 2 or later"
2510 fi
2511
2512 echo "License: $license"
2513
2514 echo "Creating config.mak and config.h..."
2515
2516 echo "# Automatically generated by configure - do not modify!" > config.mak
2517 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2518 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2519 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2520 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2521 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2522
2523 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2524 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2525
2526 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2527 echo "prefix=$prefix" >> config.mak
2528 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2529 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2530 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2531 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2532 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2533 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2534 echo "SRC_PATH=\"$source_path\"" >> config.mak
2535 echo "SRC_PATH_BARE=$source_path" >> config.mak
2536 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2537 echo "CC=$cc" >> config.mak
2538 echo "AS=$as" >> config.mak
2539 echo "LD=$ld" >> config.mak
2540 echo "DEPCC=$dep_cc" >> config.mak
2541 echo "YASM=$yasmexe" >> config.mak
2542 echo "AR=$ar" >> config.mak
2543 echo "RANLIB=$ranlib" >> config.mak
2544 echo "LN_S=$ln_s" >> config.mak
2545 enabled stripping &&
2546 echo "STRIP=$strip" >> config.mak ||
2547 echo "STRIP=echo ignoring strip" >> config.mak
2548
2549 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2550 echo "CFLAGS=$CFLAGS" >> config.mak
2551 echo "ASFLAGS=$ASFLAGS" >> config.mak
2552 echo "CC_O=$CC_O" >> config.mak
2553 echo "LDFLAGS=$LDFLAGS" >> config.mak
2554 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2555 echo "SHFLAGS=$SHFLAGS" >> config.mak
2556 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2557 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2558 echo "BUILD_STATIC=$static" >> config.mak
2559 echo "BUILDSUF=$build_suffix" >> config.mak
2560 echo "FULLNAME=$FULLNAME" >> config.mak
2561 echo "LIBPREF=$LIBPREF" >> config.mak
2562 echo "LIBSUF=$LIBSUF" >> config.mak
2563 echo "LIBNAME=$LIBNAME" >> config.mak
2564 echo "SLIBPREF=$SLIBPREF" >> config.mak
2565 echo "SLIBSUF=$SLIBSUF" >> config.mak
2566 echo "EXESUF=$EXESUF" >> config.mak
2567 echo "EXTRA_VERSION=$extra_version" >> config.mak
2568 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2569 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2570 echo "HOSTCC=$host_cc" >> config.mak
2571 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2572 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2573 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2574 echo "HOSTLIBS=$host_libs" >> config.mak
2575 echo "TARGET_EXEC=$target_exec" >> config.mak
2576 echo "TARGET_PATH=$target_path" >> config.mak
2577
2578 if enabled bigendian; then
2579 echo "WORDS_BIGENDIAN=yes" >> config.mak
2580 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2581 fi
2582
2583 if enabled sdl; then
2584 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2585 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2586 fi
2587 if enabled texi2html; then
2588 echo "BUILD_DOC=yes" >> config.mak
2589 fi
2590
2591 get_version(){
2592 name=$1
2593 file=$source_path/$2
2594 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2595 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2596 lcname=$(tolower $name)
2597 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2598 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2599 }
2600
2601 get_version LIBSWSCALE libswscale/swscale.h
2602 get_version LIBPOSTPROC libpostproc/postprocess.h
2603 get_version LIBAVCODEC libavcodec/avcodec.h
2604 get_version LIBAVDEVICE libavdevice/avdevice.h
2605 get_version LIBAVFORMAT libavformat/avformat.h
2606 get_version LIBAVUTIL libavutil/avutil.h
2607 get_version LIBAVFILTER libavfilter/avfilter.h
2608
2609 if enabled shared; then
2610 echo "BUILD_SHARED=yes" >> config.mak
2611 echo "PIC=-fPIC -DPIC" >> config.mak
2612 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2613 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2614 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2615 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2616 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2617 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2618 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2619 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2620 fi
2621 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2622 echo "EXTRALIBS=$extralibs" >> config.mak
2623
2624 echo "ARCH=$arch" >> config.mak
2625
2626 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2627 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2628 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2629 $CONFIG_EXTRA \
2630 $DECODER_LIST \
2631 $ENCODER_LIST \
2632 $HWACCEL_LIST \
2633 $PARSER_LIST \
2634 $BSF_LIST \
2635 $DEMUXER_LIST \
2636 $MUXER_LIST \
2637 $FILTER_LIST \
2638 $PROTOCOL_LIST \
2639 $INDEV_LIST \
2640 $OUTDEV_LIST \
2641
2642 echo "#define restrict $_restrict" >> $TMPH
2643
2644 if enabled small; then
2645 echo "#define av_always_inline" >> $TMPH
2646 fi
2647
2648
2649 # Apparently it's not possible to portably echo a backslash.
2650 enabled asmalign_pot &&
2651 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2652 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2653
2654 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2655
2656 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2657 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2658
2659 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2660 cmp -s $TMPH config.h &&
2661 echo "config.h is unchanged" ||
2662 mv -f $TMPH config.h
2663
2664 # build tree in object directory if source path is different from current one
2665 if enabled source_path_used; then
2666 DIRS="\
2667 doc \
2668 libavcodec \
2669 libavcodec/alpha \
2670 libavcodec/arm \
2671 libavcodec/bfin \
2672 libavcodec/mlib \
2673 libavcodec/ppc \
2674 libavcodec/sh4 \
2675 libavcodec/sparc \
2676 libavcodec/x86 \
2677 libavdevice \
2678 libavfilter \
2679 libavformat \
2680 libavutil \
2681 libpostproc \
2682 libswscale \
2683 libswscale/bfin \
2684 libswscale/mlib \
2685 libswscale/ppc \
2686 libswscale/sparc \
2687 libswscale/x86 \
2688 tests \
2689 tools \
2690 "
2691 FILES="\
2692 Makefile \
2693 common.mak \
2694 subdir.mak \
2695 doc/texi2pod.pl \
2696 libavcodec/Makefile \
2697 libavdevice/Makefile \
2698 libavfilter/Makefile \
2699 libavformat/Makefile \
2700 libavutil/Makefile \
2701 libpostproc/Makefile \
2702 libswscale/Makefile \
2703 "
2704 for dir in $DIRS ; do
2705 mkdir -p $dir
2706 done
2707 for f in $FILES ; do
2708 $ln_s "$source_path/$f" $f
2709 done
2710 fi
2711
2712
2713 # build pkg-config files
2714
2715 pkgconfig_generate(){
2716 name=$1
2717 shortname=${name#lib}${build_suffix}
2718 comment=$2
2719 version=$3
2720 libs=$4
2721 requires=$5
2722 cat <<EOF > $name/$name.pc
2723 prefix=$prefix
2724 exec_prefix=\${prefix}
2725 libdir=$libdir
2726 includedir=$incdir
2727
2728 Name: $name
2729 Description: $comment
2730 Version: $version
2731 Requires: $(disabled shared && echo $requires)
2732 Requires.private: $(enabled shared && echo $requires)
2733 Conflicts:
2734 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2735 Libs.private: $(enabled shared && echo $libs)
2736 Cflags: -I\${includedir}
2737 EOF
2738 cat <<EOF > $name/$name-uninstalled.pc
2739 prefix=
2740 exec_prefix=
2741 libdir=\${pcfiledir}
2742 includedir=${source_path}
2743
2744 Name: $name
2745 Description: $comment
2746 Version: $version
2747 Requires: $requires
2748 Conflicts:
2749 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2750 Cflags: -I\${includedir}
2751 EOF
2752 }
2753
2754 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2755 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2756 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2757 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2758 enabled avfilter &&
2759 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2760 enabled postproc &&
2761 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2762 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"