Make VP6A/VP6F decoders depend on the VP6 decoder.
[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 vp6a_decoder_select="vp6_decoder"
1121 vp6f_decoder_select="vp6_decoder"
1122 wmav1_decoder_select="fft mdct"
1123 wmav1_encoder_select="fft mdct"
1124 wmav2_decoder_select="fft mdct"
1125 wmav2_encoder_select="fft mdct"
1126 wmv1_encoder_select="aandct"
1127 wmv2_encoder_select="aandct"
1128 wmv3_decoder_select="vc1_decoder"
1129 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1130 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1131 zlib_decoder_select="zlib"
1132 zlib_encoder_select="zlib"
1133 zmbv_decoder_select="zlib"
1134 zmbv_encoder_select="zlib"
1135
1136 # parsers
1137 h264_parser_select="golomb"
1138
1139 # external libraries
1140 libdirac_decoder_deps="libdirac !libschroedinger"
1141 libdirac_encoder_deps="libdirac"
1142 libfaac_encoder_deps="libfaac"
1143 libfaad_decoder_deps="libfaad"
1144 libfaadbin_decoder_extralibs='$ldl'
1145 libgsm_decoder_deps="libgsm"
1146 libgsm_encoder_deps="libgsm"
1147 libgsm_ms_decoder_deps="libgsm"
1148 libgsm_ms_encoder_deps="libgsm"
1149 libmp3lame_encoder_deps="libmp3lame"
1150 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1151 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1152 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1153 libopenjpeg_decoder_deps="libopenjpeg"
1154 libschroedinger_decoder_deps="libschroedinger"
1155 libschroedinger_encoder_deps="libschroedinger"
1156 libspeex_decoder_deps="libspeex"
1157 libtheora_encoder_deps="libtheora"
1158 libvorbis_encoder_deps="libvorbis"
1159 libx264_encoder_deps="libx264"
1160 libxvid_encoder_deps="libxvid"
1161
1162 # demuxers / muxers
1163 ac3_demuxer_deps="ac3_parser"
1164 asf_stream_muxer_select="asf_muxer"
1165 avisynth_demuxer_deps="avisynth"
1166 dirac_demuxer_deps="dirac_parser"
1167 ipod_muxer_select="mov_muxer"
1168 libnut_demuxer_deps="libnut"
1169 libnut_muxer_deps="libnut"
1170 matroska_audio_muxer_select="matroska_muxer"
1171 matroska_demuxer_suggest="zlib bzlib"
1172 mov_demuxer_suggest="zlib"
1173 mp3_demuxer_deps="mpegaudio_parser"
1174 mp4_muxer_select="mov_muxer"
1175 mpegtsraw_demuxer_select="mpegts_demuxer"
1176 mxf_d10_muxer_select="mxf_muxer"
1177 psp_muxer_select="mov_muxer"
1178 redir_demuxer_deps="network"
1179 rtp_muxer_deps="network rtp_protocol"
1180 rtsp_demuxer_deps="sdp_demuxer"
1181 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1182 tg2_muxer_select="mov_muxer"
1183 tgp_muxer_select="mov_muxer"
1184
1185 # indevs / outdevs
1186 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1187 alsa_indev_extralibs="-lasound"
1188 alsa_outdev_deps="alsa_asoundlib_h"
1189 alsa_outdev_extralibs="-lasound"
1190 audio_beos_indev_deps="audio_beos"
1191 audio_beos_indev_extralibs="-lmedia -lbe"
1192 audio_beos_outdev_deps="audio_beos"
1193 audio_beos_outdev_extralibs="-lmedia -lbe"
1194 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1195 dv1394_indev_deps="dv1394 dv_demuxer"
1196 jack_indev_deps="jack_jack_h"
1197 jack_indev_extralibs="-ljack"
1198 libdc1394_indev_deps="libdc1394"
1199 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1200 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1201 v4l_indev_deps="linux_videodev_h"
1202 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1203 vfwcap_indev_deps="capCreateCaptureWindow"
1204 vfwcap_indev_extralibs="-lvfw32"
1205 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1206 x11_grab_device_indev_extralibs="-lX11 -lXext"
1207
1208 # protocols
1209 gopher_protocol_deps="network"
1210 http_protocol_deps="network"
1211 rtp_protocol_deps="udp_protocol"
1212 tcp_protocol_deps="network"
1213 udp_protocol_deps="network"
1214
1215 # filters
1216 movie_filter_deps="avfilter_lavf"
1217
1218 # programs
1219 ffplay_deps="sdl"
1220 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1221 ffserver_extralibs='$ldl'
1222
1223
1224 # default parameters
1225
1226 logfile="config.err"
1227
1228 # installation paths
1229 prefix_default="/usr/local"
1230 bindir_default='${prefix}/bin'
1231 datadir_default='${prefix}/share/ffmpeg'
1232 incdir_default='${prefix}/include'
1233 libdir_default='${prefix}/lib'
1234 mandir_default='${prefix}/share/man'
1235 shlibdir_default="$libdir_default"
1236
1237 # toolchain
1238 ar="ar"
1239 cc_default="gcc"
1240 host_cc_default="gcc"
1241 ln_s="ln -sf"
1242 nm_default="nm"
1243 objformat="elf"
1244 ranlib="ranlib"
1245 strip="strip"
1246 yasmexe="yasm"
1247
1248 # machine
1249 arch=$(uname -m)
1250 cpu="generic"
1251
1252 # OS
1253 target_os=$(tolower $(uname -s))
1254 host_os=$target_os
1255
1256 # configurable options
1257 enable debug
1258 enable fastdiv
1259 enable ffmpeg
1260 enable ffplay
1261 enable ffserver
1262 enable ipv6
1263 enable mpegaudio_hp
1264 enable network
1265 enable optimizations
1266 enable protocols
1267 enable static
1268 enable stripping
1269 enable swscale_alpha
1270
1271 # build settings
1272 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1273 FFSERVERLDFLAGS=-Wl,-E
1274 LIBPREF="lib"
1275 LIBSUF=".a"
1276 FULLNAME='$(NAME)$(BUILDSUF)'
1277 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1278 SLIBPREF="lib"
1279 SLIBSUF=".so"
1280 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1281 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1282 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1283 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1284
1285 CC_O='-o $@'
1286
1287 host_cflags='-O3 -g -Wall'
1288 host_libs='-lm'
1289
1290 target_path='.'
1291
1292 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1293 # full relative path for objects in subdirectories for non-recursive Make.
1294 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1295 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1296
1297 # find source path
1298 source_path="$(dirname "$0")"
1299 enable source_path_used
1300 if test -f configure; then
1301 source_path="$(pwd)"
1302 disable source_path_used
1303 else
1304 source_path="$(cd "$source_path"; pwd)"
1305 echo "$source_path" | grep -q '[[:blank:]]' &&
1306 die "Out of tree builds are impossible with whitespace in source path."
1307 test -e "$source_path/config.h" &&
1308 die "Out of tree builds are impossible with config.h in source dir."
1309 fi
1310
1311 for v in "$@"; do
1312 r=${v#*=}
1313 l=${v%"$r"}
1314 r=$(sh_quote "$r")
1315 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1316 done
1317
1318 find_things(){
1319 thing=$1
1320 pattern=$2
1321 file=$source_path/$3
1322 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1323 }
1324
1325 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1326 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1327 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1328 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1329 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1330 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1331 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1332 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1333 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1334 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1335 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1336
1337 enable $ARCH_EXT_LIST \
1338 $DECODER_LIST \
1339 $ENCODER_LIST \
1340 $HWACCEL_LIST \
1341 $PARSER_LIST \
1342 $BSF_LIST \
1343 $DEMUXER_LIST \
1344 $MUXER_LIST \
1345 $FILTER_LIST \
1346 $PROTOCOL_LIST \
1347 $INDEV_LIST \
1348 $OUTDEV_LIST \
1349
1350 die_unknown(){
1351 echo "Unknown option \"$1\"."
1352 echo "See $0 --help for available options."
1353 exit 1
1354 }
1355
1356 show_list() {
1357 suffix=_$1
1358 shift
1359 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1360 exit 0
1361 }
1362
1363 for opt do
1364 optval="${opt#*=}"
1365 case "$opt" in
1366 --extra-ldflags=*) add_ldflags $optval
1367 ;;
1368 --extra-libs=*) add_extralibs $optval
1369 ;;
1370 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1371 ;;
1372 --enable-debug=*) debuglevel="$optval"
1373 ;;
1374 --enable-*=*|--disable-*=*)
1375 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1376 case "$thing" in
1377 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1378 *) die_unknown "$opt" ;;
1379 esac
1380 ;;
1381 --enable-?*|--disable-?*)
1382 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1383 if is_in $option $COMPONENT_LIST; then
1384 test $action = disable && action=unset
1385 eval $action \$$(toupper ${option%s})_LIST
1386 elif is_in $option $CMDLINE_SELECT; then
1387 $action $option
1388 else
1389 die_unknown $opt
1390 fi
1391 ;;
1392 --list-*)
1393 NAME="${opt#--list-}"
1394 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1395 NAME=${NAME%s}
1396 eval show_list $NAME \$$(toupper $NAME)_LIST
1397 ;;
1398 --help|-h) show_help
1399 ;;
1400 *)
1401 optname="${opt%%=*}"
1402 optname="${optname#--}"
1403 optname=$(echo "$optname" | sed 's/-/_/g')
1404 is_in $optname $CMDLINE_SET || die_unknown $opt
1405 eval $optname='$optval'
1406 ;;
1407 esac
1408 done
1409
1410 disabled logging && logfile=/dev/null
1411
1412 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1413 set >> $logfile
1414
1415 test -n "$cross_prefix" && enable cross_compile
1416
1417 ar="${cross_prefix}${ar}"
1418 cc_default="${cross_prefix}${cc_default}"
1419 nm_default="${cross_prefix}${nm_default}"
1420 ranlib="${cross_prefix}${ranlib}"
1421 strip="${cross_prefix}${strip}"
1422
1423 sysinclude_default="${sysroot}/usr/include"
1424
1425 set_default cc nm sysinclude
1426 enabled cross_compile || host_cc_default=$cc
1427 set_default host_cc
1428
1429 exesuf() {
1430 case $1 in
1431 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1432 esac
1433 }
1434
1435 EXESUF=$(exesuf $target_os)
1436 HOSTEXESUF=$(exesuf $host_os)
1437
1438 # set temporary file name
1439 : ${TMPDIR:=$TEMPDIR}
1440 : ${TMPDIR:=$TMP}
1441 : ${TMPDIR:=/tmp}
1442
1443 if ! check_cmd type mktemp; then
1444 # simple replacement for missing mktemp
1445 # NOT SAFE FOR GENERAL USE
1446 mktemp(){
1447 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1448 }
1449 fi
1450
1451 tmpfile(){
1452 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1453 (set -C; exec > $tmp) 2>/dev/null ||
1454 die "Unable to create temoporary file in $TMPDIR."
1455 append TMPFILES $tmp
1456 eval $1=$tmp
1457 }
1458
1459 trap 'rm -f -- $TMPFILES' EXIT
1460 trap exit HUP INT TERM
1461
1462 tmpfile TMPC .c
1463 tmpfile TMPE $EXESUF
1464 tmpfile TMPH .h
1465 tmpfile TMPO .o
1466 tmpfile TMPS .S
1467 tmpfile TMPSH .sh
1468
1469 unset -f mktemp
1470
1471 # make sure we can execute files in $TMPDIR
1472 cat > $TMPSH 2>> $logfile <<EOF
1473 #! /bin/sh
1474 EOF
1475 chmod +x $TMPSH >> $logfile 2>&1
1476 if ! $TMPSH >> $logfile 2>&1; then
1477 cat <<EOF
1478 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1479 variable to another directory and make sure that it is not mounted noexec.
1480 EOF
1481 die "Sanity test failed."
1482 fi
1483
1484 filter_cflags=echo
1485 filter_cppflags=echo
1486 filter_asflags=echo
1487
1488 if $cc --version 2>/dev/null | grep -qi gcc; then
1489 cc_type=gcc
1490 elif $cc --version 2>/dev/null | grep -q Intel; then
1491 cc_type=icc
1492 elif $cc -v 2>&1 | grep -q xlc; then
1493 cc_type=xlc
1494 elif $cc -V 2>/dev/null | grep -q Compaq; then
1495 cc_type=ccc
1496 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1497 debuglevel=3
1498 add_ldflags -Wl,-z,now # calls to libots crash without this
1499 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1500 test -d "$sysroot" || die "No valid sysroot specified."
1501 cc_type=armcc
1502 armcc_conf="$PWD/armcc.conf"
1503 $cc --arm_linux_configure \
1504 --arm_linux_config_file="$armcc_conf" \
1505 --configure_sysroot="$sysroot" \
1506 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1507 die "Error creating armcc configuration file."
1508 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1509 as_default="${cross_prefix}gcc"
1510 elif $cc -version 2>/dev/null | grep -q TMS470; then
1511 cc_type=tms470
1512 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1513 CC_O='-fr=$(@D)'
1514 as_default="${cross_prefix}gcc"
1515 ld_default="${cross_prefix}gcc"
1516 dep_cc_default="${cross_prefix}gcc"
1517 TMPO=$(basename $TMPC .c).o
1518 append TMPFILES $TMPO
1519 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1520 DEPFLAGS='$(CPPFLAGS) -MM'
1521 filter_cflags=tms470_flags
1522 tms470_flags(){
1523 for flag; do
1524 case $flag in
1525 -march=*|-mcpu=*)
1526 case "${flag#*=}" in
1527 armv7-a|cortex-a*) echo -mv=7a8 ;;
1528 armv7-r|cortex-r*) echo -mv=7r4 ;;
1529 armv7-m|cortex-m*) echo -mv=7m3 ;;
1530 armv6*|arm11*) echo -mv=6 ;;
1531 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1532 echo -mv=5e ;;
1533 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1534 esac
1535 ;;
1536 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1537 -mfpu=vfp) echo --float_support=vfpv2 ;;
1538 -mfpu=softvfp) echo --float_support=vfplib ;;
1539 -Os) echo -O3 -mf=2 ;;
1540 -O[0-3]) echo $flag -mf=5 ;;
1541 -g) echo -g -mn ;;
1542 esac
1543 done
1544 }
1545 fi
1546
1547 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1548
1549 : ${as_default:=$cc}
1550 : ${dep_cc_default:=$cc}
1551 : ${ld_default:=$cc}
1552 set_default as dep_cc ld
1553
1554 add_cflags $extra_cflags
1555 add_asflags $extra_cflags
1556
1557 if test -n "$sysroot"; then
1558 case "$cc_type" in
1559 gcc)
1560 add_cppflags --sysroot="$sysroot"
1561 add_ldflags --sysroot="$sysroot"
1562 ;;
1563 tms470)
1564 add_cppflags -I"$sysinclude"
1565 add_ldflags --sysroot="$sysroot"
1566 ;;
1567 esac
1568 fi
1569
1570 # Add processor-specific flags
1571 case $cpu in
1572 601|ppc601|PowerPC601)
1573 cpuflags="-mcpu=601"
1574 ;;
1575 603*|ppc603*|PowerPC603*)
1576 cpuflags="-mcpu=603"
1577 ;;
1578 604*|ppc604*|PowerPC604*)
1579 cpuflags="-mcpu=604"
1580 ;;
1581 G3|g3|75*|ppc75*|PowerPC75*)
1582 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1583 ;;
1584 G4|g4|745*|ppc745*|PowerPC745*)
1585 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1586 ;;
1587 74*|ppc74*|PowerPC74*)
1588 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1589 ;;
1590 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1591 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1592 ;;
1593 Cell|CELL|cell)
1594 cpuflags="-mcpu=cell"
1595 enable ldbrx
1596 ;;
1597 # targets that do NOT support conditional mov (cmov)
1598 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1599 cpuflags="-march=$cpu"
1600 disable cmov
1601 ;;
1602 # targets that do support conditional mov (cmov)
1603 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1604 cpuflags="-march=$cpu"
1605 enable cmov
1606 enable fast_cmov
1607 ;;
1608 # targets that do support conditional mov but on which it's slow
1609 pentium4|pentium4m|prescott|nocona)
1610 cpuflags="-march=$cpu"
1611 enable cmov
1612 disable fast_cmov
1613 ;;
1614 sparc64)
1615 cpuflags="-mcpu=v9"
1616 ;;
1617 arm11*|cortex*)
1618 cpuflags="-mcpu=$cpu"
1619 enable fast_unaligned
1620 ;;
1621 armv[67]*)
1622 cpuflags="-march=$cpu"
1623 enable fast_unaligned
1624 ;;
1625 armv*)
1626 cpuflags="-march=$cpu"
1627 ;;
1628 arm*)
1629 cpuflags="-mcpu=$cpu"
1630 ;;
1631 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1632 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1633 ;;
1634 bf*)
1635 cpuflags="-mcpu=$cpu"
1636 ;;
1637 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1638 cpuflags="-march=$cpu"
1639 ;;
1640 generic)
1641 ;;
1642 *)
1643 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1644 ;;
1645 esac
1646
1647 add_cflags $cpuflags
1648 add_asflags $cpuflags
1649
1650 # compiler sanity check
1651 check_exec <<EOF
1652 int main(void){ return 0; }
1653 EOF
1654 if test "$?" != 0; then
1655 echo "$cc is unable to create an executable file."
1656 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1657 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1658 echo "Only do this if you know what cross compiling means."
1659 fi
1660 die "C compiler test failed."
1661 fi
1662
1663 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1664 check_cflags -std=c99
1665 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1666 #include <stdlib.h>
1667 EOF
1668 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1669 #include <stdlib.h>
1670 EOF
1671
1672 case "$arch" in
1673 alpha)
1674 arch="alpha"
1675 enable fast_64bit
1676 check_cflags -mieee
1677 ;;
1678 arm|armv[4567]*l)
1679 arch="arm"
1680 ;;
1681 avr32)
1682 ;;
1683 bfin)
1684 arch="bfin"
1685 ;;
1686 ia64)
1687 arch="ia64"
1688 enable fast_64bit
1689 ;;
1690 m68k)
1691 arch="m68k"
1692 ;;
1693 mips|mipsel|IP*)
1694 arch="mips"
1695 ;;
1696 mips64)
1697 arch="mips"
1698 subarch="mips64"
1699 enable fast_64bit
1700 ;;
1701 parisc|hppa)
1702 arch="parisc"
1703 ;;
1704 parisc64|hppa64)
1705 arch="parisc"
1706 enable fast_64bit
1707 ;;
1708 "Power Macintosh"|ppc|powerpc)
1709 arch="ppc"
1710 enable fast_unaligned
1711 ;;
1712 ppc64)
1713 arch="ppc"
1714 subarch="ppc64"
1715 enable fast_64bit
1716 enable fast_unaligned
1717 ;;
1718 s390|s390x)
1719 arch="s390"
1720 ;;
1721 sh4|sh)
1722 arch="sh4"
1723 ;;
1724 sparc)
1725 arch="sparc"
1726 ;;
1727 sun4u|sparc64)
1728 arch="sparc"
1729 subarch="sparc64"
1730 enable fast_64bit
1731 ;;
1732 i386|i486|i586|i686|i86pc|BePC)
1733 arch="x86"
1734 subarch="x86_32"
1735 enable fast_unaligned
1736 ;;
1737 x86_64|amd64)
1738 arch="x86"
1739 subarch="x86_32"
1740 enable cmov
1741 enable fast_cmov
1742 enable fast_unaligned
1743 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1744 int test[sizeof(char*) - 7];
1745 EOF
1746 ;;
1747 *)
1748 arch="unknown"
1749 ;;
1750 esac
1751
1752 enable $arch $subarch
1753
1754 # OS specific
1755 case $target_os in
1756 beos|haiku|zeta)
1757 prefix_default="$HOME/config"
1758 # helps building libavcodec
1759 add_cppflags -DPIC
1760 add_cflags -fomit-frame-pointer
1761 # 3 gcc releases known for BeOS, each with ugly bugs
1762 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1763 case "$gcc_version" in
1764 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1765 disable mmx
1766 ;;
1767 *20010315*) echo "BeBits gcc"
1768 add_cflags -fno-expensive-optimizations
1769 ;;
1770 esac
1771 SHFLAGS=-nostart
1772 # enable BeOS things
1773 enable audio_beos
1774 # no need for libm, but the inet stuff
1775 # Check for BONE
1776 # XXX: actually should check for NOT net_server
1777 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1778 network_extralibs="-lbind -lsocket"
1779 else
1780 enable beos_netserver
1781 network_extralibs="-lnet"
1782 fi ;;
1783 sunos)
1784 FFSERVERLDFLAGS=""
1785 SHFLAGS='-shared -Wl,-h,$$(@F)'
1786 network_extralibs="-lsocket -lnsl"
1787 add_cppflags -D__EXTENSIONS__
1788 ;;
1789 netbsd)
1790 oss_indev_extralibs="-lossaudio"
1791 oss_outdev_extralibs="-lossaudio"
1792 ;;
1793 openbsd)
1794 enable malloc_aligned
1795 LIBOBJFLAGS='$(PIC)'
1796 SHFLAGS='-shared'
1797 oss_indev_extralibs="-lossaudio"
1798 oss_outdev_extralibs="-lossaudio"
1799 ;;
1800 freebsd|dragonfly)
1801 enable malloc_aligned
1802 ;;
1803 bsd/os)
1804 osextralibs="-lpoll -lgnugetopt"
1805 strip="strip -d"
1806 ;;
1807 darwin)
1808 enable malloc_aligned
1809 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1810 strip="strip -x"
1811 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1812 SLIBSUF=".dylib"
1813 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1814 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1815 FFSERVERLDFLAGS=-Wl,-bind_at_load
1816 objformat="macho"
1817 enabled x86_64 && objformat="macho64"
1818 ;;
1819 mingw32*)
1820 target_os=mingw32
1821 LIBTARGET=i386
1822 if enabled x86_64; then
1823 enable malloc_aligned
1824 LIBTARGET=x64
1825 elif enabled arm; then
1826 LIBTARGET=arm
1827 fi
1828 shlibdir_default="$bindir_default"
1829 disable ffserver
1830 SLIBPREF=""
1831 SLIBSUF=".dll"
1832 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1833 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1834 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1835 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1836 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1837 install -d "$(LIBDIR)"; \
1838 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1839 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1840 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1841 objformat="win32"
1842 enable dos_paths
1843 check_cflags -fno-common
1844 if ! enabled x86_64; then
1845 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1846 die "ERROR: MinGW runtime version must be >= 3.15."
1847 enabled_any avisynth vfwcap_indev &&
1848 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1849 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1850 fi
1851 ;;
1852 cygwin*)
1853 target_os=cygwin
1854 shlibdir_default="$bindir_default"
1855 SLIBPREF="cyg"
1856 SLIBSUF=".dll"
1857 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1858 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1859 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1860 objformat="win32"
1861 enable dos_paths
1862 check_cflags -fno-common
1863 ;;
1864 *-dos|freedos|opendos)
1865 disable ffplay ffserver
1866 disable $INDEV_LIST $OUTDEV_LIST
1867 network_extralibs="-lsocket"
1868 objformat="coff"
1869 enable dos_paths
1870 ;;
1871 linux)
1872 enable dv1394
1873 ;;
1874 irix*)
1875 target_os=irix
1876 ranlib="echo ignoring ranlib"
1877 ;;
1878 os/2*)
1879 strip="lxlite"
1880 ln_s="cp -f"
1881 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1882 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1883 FFSERVERLDFLAGS=""
1884 LIBSUF="_s.a"
1885 SLIBPREF=""
1886 SLIBSUF=".dll"
1887 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1888 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1889 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1890 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1891 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1892 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1893 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1894 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1895 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1896 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1897 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1898 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1899 enable dos_paths
1900 ;;
1901 gnu/kfreebsd)
1902 ;;
1903 gnu)
1904 ;;
1905
1906 *)
1907 die "Unknown OS '$target_os'."
1908 ;;
1909 esac
1910
1911 set_default $PATHS_LIST
1912
1913 add_extralibs $osextralibs
1914
1915 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1916 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1917
1918 # we need to build at least one lib type
1919 if ! enabled_any static shared; then
1920 cat <<EOF
1921 At least one library type must be built.
1922 Specify --enable-static to build the static libraries or --enable-shared to
1923 build the shared libraries as well. To only build the shared libraries specify
1924 --disable-static in addition to --enable-shared.
1925 EOF
1926 exit 1;
1927 fi
1928
1929 disabled static && LIBNAME=""
1930
1931 if enabled_any libfaad libfaadbin ; then
1932 if check_header faad.h; then
1933 check_cc <<EOF
1934 #include <faad.h>
1935 #ifndef FAAD2_VERSION
1936 ok faad1
1937 #endif
1938 int main(void) { return 0; }
1939 EOF
1940 test $? = 0 && enable libfaad2
1941 else
1942 die "FAAD test failed."
1943 fi
1944 fi
1945
1946
1947 die_license_disabled() {
1948 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1949 }
1950
1951 die_license_disabled gpl libfaad2
1952 die_license_disabled gpl libx264
1953 die_license_disabled gpl libxvid
1954 die_license_disabled gpl postproc
1955 die_license_disabled gpl x11grab
1956
1957 die_license_disabled nonfree libfaac
1958
1959 die_license_disabled version3 libopencore_amrnb
1960 die_license_disabled version3 libopencore_amrwb
1961
1962 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1963
1964 check_deps $ARCH_EXT_LIST
1965
1966 #Darwin CC versions
1967 if test $target_os = darwin; then
1968 if enabled xlc; then
1969 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1970 else
1971 add_cflags -pipe
1972 check_cflags -force_cpusubtype_ALL
1973 check_cflags -Wno-sign-compare
1974 enabled shared || check_cflags -mdynamic-no-pic
1975 fi
1976 fi
1977
1978 disabled optimizations || check_cflags -fomit-frame-pointer
1979
1980 check_cc <<EOF || die "Symbol mangling check failed."
1981 int ff_extern;
1982 EOF
1983 sym=$($nm -P -g $TMPO | grep ff_extern)
1984 extern_prefix=${sym%%ff_extern*}
1985
1986 check_cc <<EOF && enable inline_asm
1987 void foo(void) { __asm__ volatile ("" ::); }
1988 EOF
1989
1990 if enabled x86; then
1991 # check whether EBP is available on x86
1992 # As 'i' is stored on the stack, this program will crash
1993 # if the base pointer is used to access it because the
1994 # base pointer is cleared in the inline assembly code.
1995 check_exec_crash <<EOF && enable ebp_available
1996 volatile int i=0;
1997 __asm__ volatile (
1998 "xorl %%ebp, %%ebp"
1999 ::: "%ebp");
2000 return i;
2001 EOF
2002
2003 # check wether EBX is available on x86
2004 check_asm ebx_available '"":::"%ebx"'
2005
2006 # check whether more than 10 operands are supported
2007 check_cc <<EOF && enable ten_operands
2008 int main(void) {
2009 int x=0;
2010 __asm__ volatile(
2011 ""
2012 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2013 );
2014 return 0;
2015 }
2016 EOF
2017
2018 # check whether binutils is new enough to compile SSSE3/MMX2
2019 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2020 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2021
2022 check_asm bswap '"bswap %%eax" ::: "%eax"'
2023
2024 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2025 enabled x86_64 && append YASMFLAGS "-m amd64"
2026 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2027 case "$objformat" in
2028 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2029 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2030 *) append YASMFLAGS "-DPREFIX" ;;
2031 esac
2032 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2033 fi
2034
2035 # check for assembler specific support
2036
2037 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2038
2039 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2040 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2041 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2042
2043 # check for SIMD availability
2044
2045 # AltiVec flags: The FSF version of GCC differs from the Apple version
2046 if enabled altivec; then
2047 check_cflags -maltivec -mabi=altivec &&
2048 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2049 check_cflags -faltivec
2050
2051 # check if our compiler supports Motorola AltiVec C API
2052 check_cc <<EOF || disable altivec
2053 $inc_altivec_h
2054 int main(void) {
2055 vector signed int v1, v2, v3;
2056 v1 = vec_add(v2,v3);
2057 return 0;
2058 }
2059 EOF
2060
2061 # check if our compiler supports braces for vector declarations
2062 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2063 $inc_altivec_h
2064 int main (void) { (vector int) {1}; return 0; }
2065 EOF
2066 fi
2067
2068 # We have to check if pld is a nop and disable it.
2069 enabled arm && check_asm pld '"pld [r0]"'
2070 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2071 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2072 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2073 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2074 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2075 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2076 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2077 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2078
2079 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2080
2081 check_cc <<EOF || die "endian test failed"
2082 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2083 EOF
2084 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2085
2086 if check_func dlopen; then
2087 ldl=
2088 elif check_func dlopen -ldl; then
2089 ldl=-ldl
2090 fi
2091
2092 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2093 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2094
2095 check_func fork
2096 check_func gethrtime
2097 check_func getrusage
2098 check_func inet_aton $network_extralibs
2099 check_func memalign
2100 check_func mkstemp
2101 check_func posix_memalign
2102 check_func_headers io.h setmode
2103 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2104 check_func_headers windows.h GetProcessTimes
2105 check_func_headers windows.h VirtualAlloc
2106
2107 check_header conio.h
2108 check_header dlfcn.h
2109 check_header malloc.h
2110 check_header poll.h
2111 check_header sys/mman.h
2112 check_header sys/resource.h
2113 check_header sys/select.h
2114 check_header termios.h
2115 check_header vdpau/vdpau.h
2116 check_header vdpau/vdpau_x11.h
2117 check_header X11/extensions/XvMClib.h
2118
2119 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2120 enabled_any $need_memalign ; then
2121 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2122 fi
2123
2124 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2125 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2126
2127 # check for some common methods of building with pthread support
2128 # do this before the optional library checks as some of them require pthreads
2129 if enabled pthreads; then
2130 if check_func pthread_create; then
2131 :
2132 elif check_func pthread_create -pthread; then
2133 add_cflags -pthread
2134 add_extralibs -pthread
2135 elif check_func pthread_create -pthreads; then
2136 add_cflags -pthreads
2137 add_extralibs -pthreads
2138 elif check_func pthread_create -lpthreadGC2; then
2139 add_extralibs -lpthreadGC2
2140 elif ! check_lib pthread.h pthread_create -lpthread; then
2141 die "ERROR: can't find pthreads library"
2142 fi
2143 fi
2144
2145 for thread in $THREADS_LIST; do
2146 if enabled $thread; then
2147 test -n "$thread_type" &&
2148 die "ERROR: Only one thread type must be selected." ||
2149 thread_type="$thread"
2150 fi
2151 done
2152
2153 check_lib math.h sin -lm
2154 check_lib va/va.h vaInitialize -lva
2155
2156 check_func llrint
2157 check_func log2
2158 check_func lrint
2159 check_func lrintf
2160 check_func round
2161 check_func roundf
2162 check_func truncf
2163
2164 # these are off by default, so fail if requested and not available
2165 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2166 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2167 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2168 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2169 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2170 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2171 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2172 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2173 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2174 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2175 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2176 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2177 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2178 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2179 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2180 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2181 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2182 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2183 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2184 die "ERROR: libx264 version must be >= 0.65."; }
2185 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2186 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2187
2188 # libdc1394 check
2189 if enabled libdc1394; then
2190 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2191 enable libdc1394_2; } ||
2192 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2193 enable libdc1394_1; } ||
2194 die "ERROR: No version of libdc1394 found "
2195 fi
2196
2197
2198 _restrict=
2199 for restrict_keyword in restrict __restrict__ __restrict; do
2200 check_cc <<EOF && _restrict=$restrict_keyword && break
2201 void foo(char * $restrict_keyword p);
2202 EOF
2203 done
2204
2205 check_cc <<EOF && enable attribute_packed
2206 struct { int x; } __attribute__((packed)) x;
2207 EOF
2208
2209 disable sdl_too_old
2210 disable sdl
2211 SDL_CONFIG="${cross_prefix}sdl-config"
2212 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2213 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2214 temp_cflags $sdl_cflags
2215 temp_extralibs $("${SDL_CONFIG}" --libs)
2216 if check_lib2 SDL.h SDL_Init; then
2217 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2218 if test "$_sdlversion" -lt 121 ; then
2219 enable sdl_too_old
2220 else
2221 enable sdl
2222 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2223 #include <SDL.h>
2224 int main(int argc, char **argv){
2225 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2226 int w = vi->current_w;
2227 return 0;
2228 }
2229 EOF
2230 fi
2231 fi
2232 restore_flags
2233 fi
2234
2235 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2236
2237 if enabled network; then
2238 check_type "sys/types.h sys/socket.h" socklen_t
2239 # Prefer arpa/inet.h over winsock2
2240 if check_header arpa/inet.h ; then
2241 check_func closesocket
2242 elif check_header winsock2.h ; then
2243 check_func_headers winsock2.h closesocket -lws2 && \
2244 network_extralibs="-lws2" || \
2245 { check_func_headers winsock2.h closesocket -lws2_32 && \
2246 network_extralibs="-lws2_32"; }
2247 check_type ws2tcpip.h socklen_t
2248 else
2249 disable network
2250 fi
2251 fi
2252
2253 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2254 #include <sys/types.h>
2255 #include <sys/socket.h>
2256 #include <netinet/in.h>
2257 #include <netdb.h>
2258 int main(void) {
2259 struct sockaddr_storage saddr;
2260 struct ipv6_mreq mreq6;
2261 getaddrinfo(0,0,0,0);
2262 getnameinfo(0,0,0,0,0,0,0);
2263 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2264 }
2265 EOF
2266
2267 check_header linux/videodev.h
2268 check_header linux/videodev2.h
2269 check_header sys/videoio.h
2270
2271 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2272
2273 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2274 { check_header dev/bktr/ioctl_meteor.h &&
2275 check_header dev/bktr/ioctl_bt848.h; } ||
2276 { check_header machine/ioctl_meteor.h &&
2277 check_header machine/ioctl_bt848.h; } ||
2278 { check_header dev/video/meteor/ioctl_meteor.h &&
2279 check_header dev/video/bktr/ioctl_bt848.h; } ||
2280 check_header dev/ic/bt8xx.h
2281
2282 check_header sys/soundcard.h
2283 check_header soundcard.h
2284
2285 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2286
2287 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2288
2289 enabled x11grab &&
2290 check_header X11/Xlib.h &&
2291 check_header X11/extensions/XShm.h &&
2292 check_func XOpenDisplay -lX11 &&
2293 check_func XShmCreateImage -lX11 -lXext
2294
2295 enabled debug && add_cflags -g"$debuglevel"
2296
2297 # add some useful compiler flags if supported
2298 check_cflags -Wdeclaration-after-statement
2299 check_cflags -Wall
2300 check_cflags -Wno-switch
2301 check_cflags -Wdisabled-optimization
2302 check_cflags -Wpointer-arith
2303 check_cflags -Wredundant-decls
2304 check_cflags -Wno-pointer-sign
2305 check_cflags -Wcast-qual
2306 check_cflags -Wwrite-strings
2307 check_cflags -Wtype-limits
2308 check_cflags -Wundef
2309 enabled extra_warnings && check_cflags -Winline
2310
2311 # add some linker flags
2312 check_ldflags -Wl,--warn-common
2313 check_ldflags -Wl,--as-needed
2314 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'
2315 check_ldflags -Wl,-Bsymbolic
2316
2317 if enabled small; then
2318 check_cflags -Os # not all compilers support -Os
2319 optimizations="small"
2320 elif enabled optimizations; then
2321 if enabled xlc; then
2322 add_cflags -O5
2323 add_ldflags -O5
2324 elif enabled ccc; then
2325 add_cflags -fast
2326 else
2327 add_cflags -O3
2328 fi
2329 fi
2330 check_cflags -fno-math-errno
2331 check_cflags -fno-signed-zeros
2332
2333 if enabled icc; then
2334 # Just warnings, no remarks
2335 check_cflags -w1
2336 # -wd: Disable following warnings
2337 # 144, 167, 556: -Wno-pointer-sign
2338 # 10006: ignoring unknown option -fno-signed-zeros
2339 # 10156: ignoring option '-W'; no argument required
2340 check_cflags -wd144,167,556,10006,10156
2341 # 11030: Warning unknown option --as-needed
2342 # 10156: ignoring option '-export'; no argument required
2343 check_ldflags -wd10156,11030
2344 # Allow to compile with optimizations
2345 check_ldflags -march=$cpu
2346 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2347 enable ebp_available
2348 elif enabled ccc; then
2349 # disable some annoying warnings
2350 add_cflags -msg_disable cvtu32to64
2351 add_cflags -msg_disable embedcomment
2352 add_cflags -msg_disable needconstext
2353 add_cflags -msg_disable nomainieee
2354 add_cflags -msg_disable ptrmismatch1
2355 add_cflags -msg_disable unreachcode
2356 elif enabled gcc; then
2357 check_cflags -fno-tree-vectorize
2358 fi
2359
2360 # PIC flags for shared library objects where they are needed
2361 if enabled shared; then
2362 # LIBOBJFLAGS may have already been set in the OS configuration
2363 if test -z "$LIBOBJFLAGS" ; then
2364 case "${subarch-$arch}" in
2365 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2366 esac
2367 fi
2368 fi
2369
2370 if enabled gprof; then
2371 add_cflags -p
2372 add_ldflags -p
2373 fi
2374
2375 # Find out if the .align argument is a power of two or not.
2376 check_asm asmalign_pot '".align 3"'
2377
2378 enabled_any $DECODER_LIST && enable decoders
2379 enabled_any $ENCODER_LIST && enable encoders
2380 enabled_any $HWACCEL_LIST && enable hwaccels
2381 enabled_any $BSF_LIST && enable bsfs
2382 enabled_any $DEMUXER_LIST && enable demuxers
2383 enabled_any $MUXER_LIST && enable muxers
2384 enabled_any $FILTER_LIST && enable filters
2385 enabled_any $INDEV_LIST && enable indevs
2386 enabled_any $OUTDEV_LIST && enable outdevs
2387 enabled_any $PROTOCOL_LIST && enable protocols
2388
2389 enabled_any $THREADS_LIST && enable threads
2390
2391 check_deps $CONFIG_LIST \
2392 $CONFIG_EXTRA \
2393 $HAVE_LIST \
2394 $DECODER_LIST \
2395 $ENCODER_LIST \
2396 $HWACCEL_LIST \
2397 $PARSER_LIST \
2398 $BSF_LIST \
2399 $DEMUXER_LIST \
2400 $MUXER_LIST \
2401 $FILTER_LIST \
2402 $INDEV_LIST \
2403 $OUTDEV_LIST \
2404 $PROTOCOL_LIST \
2405
2406 echo "install prefix $prefix"
2407 echo "source path $source_path"
2408 echo "C compiler $cc"
2409 echo ".align is power-of-two $asmalign_pot"
2410 echo "ARCH $arch ($cpu)"
2411 if test "$build_suffix" != ""; then
2412 echo "build suffix $build_suffix"
2413 fi
2414 if test "$extra_version" != ""; then
2415 echo "version string suffix $extra_version"
2416 fi
2417 echo "big-endian ${bigendian-no}"
2418 echo "runtime cpu detection ${runtime_cpudetect-no}"
2419 if enabled x86; then
2420 echo "yasm ${yasm-no}"
2421 echo "MMX enabled ${mmx-no}"
2422 echo "MMX2 enabled ${mmx2-no}"
2423 echo "3DNow! enabled ${amd3dnow-no}"
2424 echo "3DNow! extended enabled ${amd3dnowext-no}"
2425 echo "SSE enabled ${sse-no}"
2426 echo "SSSE3 enabled ${ssse3-no}"
2427 echo "CMOV enabled ${cmov-no}"
2428 echo "CMOV is fast ${fast_cmov-no}"
2429 echo "EBX available ${ebx_available-no}"
2430 echo "EBP available ${ebp_available-no}"
2431 echo "10 operands supported ${ten_operands-no}"
2432 fi
2433 if enabled arm; then
2434 echo "ARMv5TE enabled ${armv5te-no}"
2435 echo "ARMv6 enabled ${armv6-no}"
2436 echo "ARMv6T2 enabled ${armv6t2-no}"
2437 echo "ARM VFP enabled ${armvfp-no}"
2438 echo "IWMMXT enabled ${iwmmxt-no}"
2439 echo "NEON enabled ${neon-no}"
2440 fi
2441 if enabled mips; then
2442 echo "MMI enabled ${mmi-no}"
2443 fi
2444 if enabled ppc; then
2445 echo "AltiVec enabled ${altivec-no}"
2446 echo "PPC 4xx optimizations ${ppc4xx-no}"
2447 echo "dcbzl available ${dcbzl-no}"
2448 echo "performance report ${powerpc_perf-no}"
2449 fi
2450 if enabled sparc; then
2451 echo "VIS enabled ${vis-no}"
2452 fi
2453 echo "gprof enabled ${gprof-no}"
2454 echo "debug symbols ${debug-no}"
2455 echo "strip symbols ${stripping-no}"
2456 echo "optimizations ${optimizations-no}"
2457 echo "static ${static-no}"
2458 echo "shared ${shared-no}"
2459 echo "postprocessing support ${postproc-no}"
2460 echo "new filter support ${avfilter-no}"
2461 echo "filters using lavformat ${avfilter_lavf-no}"
2462 echo "network support ${network-no}"
2463 if enabled network; then
2464 echo "IPv6 support ${ipv6-no}"
2465 fi
2466 echo "threading support ${thread_type-no}"
2467 echo "SDL support ${sdl-no}"
2468 if enabled sdl_too_old; then
2469 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2470 fi
2471 echo "Sun medialib support ${mlib-no}"
2472 echo "AVISynth enabled ${avisynth-no}"
2473 echo "libdc1394 support ${libdc1394-no}"
2474 echo "libdirac enabled ${libdirac-no}"
2475 echo "libfaac enabled ${libfaac-no}"
2476 echo "libfaad enabled ${libfaad-no}"
2477 echo "libfaad dlopened ${libfaadbin-no}"
2478 echo "libgsm enabled ${libgsm-no}"
2479 echo "libmp3lame enabled ${libmp3lame-no}"
2480 echo "libnut enabled ${libnut-no}"
2481 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2482 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2483 echo "libopenjpeg enabled ${libopenjpeg-no}"
2484 echo "libschroedinger enabled ${libschroedinger-no}"
2485 echo "libspeex enabled ${libspeex-no}"
2486 echo "libtheora enabled ${libtheora-no}"
2487 echo "libvorbis enabled ${libvorbis-no}"
2488 echo "libx264 enabled ${libx264-no}"
2489 echo "libxvid enabled ${libxvid-no}"
2490 echo "zlib enabled ${zlib-no}"
2491 echo "bzlib enabled ${bzlib-no}"
2492 echo
2493
2494 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2495 echo "Enabled ${type}s:"
2496 eval list=\$$(toupper $type)_LIST
2497 for part in $list; do
2498 enabled $part && echo ${part%_*}
2499 done | sort | pr -3 -t
2500 echo
2501 done
2502
2503 license="LGPL version 2.1 or later"
2504 if enabled nonfree; then
2505 license="nonfree and unredistributable"
2506 elif enabled gplv3; then
2507 license="GPL version 3 or later"
2508 elif enabled lgplv3; then
2509 license="LGPL version 3 or later"
2510 elif enabled gpl; then
2511 license="GPL version 2 or later"
2512 fi
2513
2514 echo "License: $license"
2515
2516 echo "Creating config.mak and config.h..."
2517
2518 echo "# Automatically generated by configure - do not modify!" > config.mak
2519 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2520 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2521 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2522 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2523 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2524
2525 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2526 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2527
2528 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2529 echo "prefix=$prefix" >> config.mak
2530 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2531 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2532 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2533 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2534 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2535 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2536 echo "SRC_PATH=\"$source_path\"" >> config.mak
2537 echo "SRC_PATH_BARE=$source_path" >> config.mak
2538 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2539 echo "CC=$cc" >> config.mak
2540 echo "AS=$as" >> config.mak
2541 echo "LD=$ld" >> config.mak
2542 echo "DEPCC=$dep_cc" >> config.mak
2543 echo "YASM=$yasmexe" >> config.mak
2544 echo "AR=$ar" >> config.mak
2545 echo "RANLIB=$ranlib" >> config.mak
2546 echo "LN_S=$ln_s" >> config.mak
2547 enabled stripping &&
2548 echo "STRIP=$strip" >> config.mak ||
2549 echo "STRIP=echo ignoring strip" >> config.mak
2550
2551 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2552 echo "CFLAGS=$CFLAGS" >> config.mak
2553 echo "ASFLAGS=$ASFLAGS" >> config.mak
2554 echo "CC_O=$CC_O" >> config.mak
2555 echo "LDFLAGS=$LDFLAGS" >> config.mak
2556 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2557 echo "SHFLAGS=$SHFLAGS" >> config.mak
2558 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2559 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2560 echo "BUILD_STATIC=$static" >> config.mak
2561 echo "BUILDSUF=$build_suffix" >> config.mak
2562 echo "FULLNAME=$FULLNAME" >> config.mak
2563 echo "LIBPREF=$LIBPREF" >> config.mak
2564 echo "LIBSUF=$LIBSUF" >> config.mak
2565 echo "LIBNAME=$LIBNAME" >> config.mak
2566 echo "SLIBPREF=$SLIBPREF" >> config.mak
2567 echo "SLIBSUF=$SLIBSUF" >> config.mak
2568 echo "EXESUF=$EXESUF" >> config.mak
2569 echo "EXTRA_VERSION=$extra_version" >> config.mak
2570 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2571 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2572 echo "HOSTCC=$host_cc" >> config.mak
2573 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2574 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2575 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2576 echo "HOSTLIBS=$host_libs" >> config.mak
2577 echo "TARGET_EXEC=$target_exec" >> config.mak
2578 echo "TARGET_PATH=$target_path" >> config.mak
2579
2580 if enabled bigendian; then
2581 echo "WORDS_BIGENDIAN=yes" >> config.mak
2582 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2583 fi
2584
2585 if enabled sdl; then
2586 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2587 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2588 fi
2589 if enabled texi2html; then
2590 echo "BUILD_DOC=yes" >> config.mak
2591 fi
2592
2593 get_version(){
2594 name=$1
2595 file=$source_path/$2
2596 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2597 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2598 lcname=$(tolower $name)
2599 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2600 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2601 }
2602
2603 get_version LIBSWSCALE libswscale/swscale.h
2604 get_version LIBPOSTPROC libpostproc/postprocess.h
2605 get_version LIBAVCODEC libavcodec/avcodec.h
2606 get_version LIBAVDEVICE libavdevice/avdevice.h
2607 get_version LIBAVFORMAT libavformat/avformat.h
2608 get_version LIBAVUTIL libavutil/avutil.h
2609 get_version LIBAVFILTER libavfilter/avfilter.h
2610
2611 if enabled shared; then
2612 echo "BUILD_SHARED=yes" >> config.mak
2613 echo "PIC=-fPIC -DPIC" >> config.mak
2614 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2615 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2616 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2617 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2618 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2619 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2620 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2621 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2622 fi
2623 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2624 echo "EXTRALIBS=$extralibs" >> config.mak
2625
2626 echo "ARCH=$arch" >> config.mak
2627
2628 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2629 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2630 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2631 $CONFIG_EXTRA \
2632 $DECODER_LIST \
2633 $ENCODER_LIST \
2634 $HWACCEL_LIST \
2635 $PARSER_LIST \
2636 $BSF_LIST \
2637 $DEMUXER_LIST \
2638 $MUXER_LIST \
2639 $FILTER_LIST \
2640 $PROTOCOL_LIST \
2641 $INDEV_LIST \
2642 $OUTDEV_LIST \
2643
2644 echo "#define restrict $_restrict" >> $TMPH
2645
2646 if enabled small; then
2647 echo "#define av_always_inline" >> $TMPH
2648 fi
2649
2650
2651 # Apparently it's not possible to portably echo a backslash.
2652 enabled asmalign_pot &&
2653 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2654 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2655
2656 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2657
2658 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2659 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2660
2661 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2662 cmp -s $TMPH config.h &&
2663 echo "config.h is unchanged" ||
2664 mv -f $TMPH config.h
2665
2666 # build tree in object directory if source path is different from current one
2667 if enabled source_path_used; then
2668 DIRS="\
2669 doc \
2670 libavcodec \
2671 libavcodec/alpha \
2672 libavcodec/arm \
2673 libavcodec/bfin \
2674 libavcodec/mlib \
2675 libavcodec/ppc \
2676 libavcodec/sh4 \
2677 libavcodec/sparc \
2678 libavcodec/x86 \
2679 libavdevice \
2680 libavfilter \
2681 libavformat \
2682 libavutil \
2683 libpostproc \
2684 libswscale \
2685 libswscale/bfin \
2686 libswscale/mlib \
2687 libswscale/ppc \
2688 libswscale/sparc \
2689 libswscale/x86 \
2690 tests \
2691 tools \
2692 "
2693 FILES="\
2694 Makefile \
2695 common.mak \
2696 subdir.mak \
2697 doc/texi2pod.pl \
2698 libavcodec/Makefile \
2699 libavdevice/Makefile \
2700 libavfilter/Makefile \
2701 libavformat/Makefile \
2702 libavutil/Makefile \
2703 libpostproc/Makefile \
2704 libswscale/Makefile \
2705 "
2706 for dir in $DIRS ; do
2707 mkdir -p $dir
2708 done
2709 for f in $FILES ; do
2710 $ln_s "$source_path/$f" $f
2711 done
2712 fi
2713
2714
2715 # build pkg-config files
2716
2717 pkgconfig_generate(){
2718 name=$1
2719 shortname=${name#lib}${build_suffix}
2720 comment=$2
2721 version=$3
2722 libs=$4
2723 requires=$5
2724 cat <<EOF > $name/$name.pc
2725 prefix=$prefix
2726 exec_prefix=\${prefix}
2727 libdir=$libdir
2728 includedir=$incdir
2729
2730 Name: $name
2731 Description: $comment
2732 Version: $version
2733 Requires: $(disabled shared && echo $requires)
2734 Requires.private: $(enabled shared && echo $requires)
2735 Conflicts:
2736 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2737 Libs.private: $(enabled shared && echo $libs)
2738 Cflags: -I\${includedir}
2739 EOF
2740 cat <<EOF > $name/$name-uninstalled.pc
2741 prefix=
2742 exec_prefix=
2743 libdir=\${pcfiledir}
2744 includedir=${source_path}
2745
2746 Name: $name
2747 Description: $comment
2748 Version: $version
2749 Requires: $requires
2750 Conflicts:
2751 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2752 Cflags: -I\${includedir}
2753 EOF
2754 }
2755
2756 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2757 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2758 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2759 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2760 enabled avfilter &&
2761 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2762 enabled postproc &&
2763 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2764 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"