RTMP needs tcp_protocol
[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 isatty
929 ldbrx
930 libdc1394_1
931 libdc1394_2
932 llrint
933 log2
934 loongson
935 lrint
936 lrintf
937 lzo1x_999_compress
938 machine_ioctl_bt848_h
939 machine_ioctl_meteor_h
940 malloc_h
941 memalign
942 mkstemp
943 pld
944 posix_memalign
945 round
946 roundf
947 sdl
948 sdl_video_size
949 setmode
950 socklen_t
951 soundcard_h
952 poll_h
953 sys_mman_h
954 sys_resource_h
955 sys_select_h
956 sys_soundcard_h
957 sys_videoio_h
958 ten_operands
959 termios_h
960 threads
961 truncf
962 vfp_args
963 VirtualAlloc
964 winsock2_h
965 xform_asm
966 yasm
967 "
968
969 # options emitted with CONFIG_ prefix but not available on command line
970 CONFIG_EXTRA="
971 gplv3
972 lgplv3
973 "
974
975 CMDLINE_SELECT="
976 $ARCH_EXT_LIST
977 $CONFIG_LIST
978 $THREADS_LIST
979 cross_compile
980 debug
981 extra_warnings
982 logging
983 optimizations
984 stripping
985 yasm
986 "
987
988 PATHS_LIST='
989 bindir
990 datadir
991 incdir
992 libdir
993 mandir
994 prefix
995 shlibdir
996 '
997
998 CMDLINE_SET="
999 $PATHS_LIST
1000 arch
1001 as
1002 build_suffix
1003 cc
1004 cpu
1005 cross_prefix
1006 dep_cc
1007 extra_version
1008 host_cc
1009 host_cflags
1010 host_ldflags
1011 host_libs
1012 host_os
1013 ld
1014 logfile
1015 nm
1016 source_path
1017 sysinclude
1018 sysroot
1019 target_exec
1020 target_os
1021 target_path
1022 "
1023
1024 CMDLINE_APPEND="
1025 extra_cflags
1026 "
1027
1028 # code dependency declarations
1029
1030 # architecture extensions
1031 altivec_deps="ppc"
1032 amd3dnow_deps="mmx"
1033 amd3dnowext_deps="amd3dnow"
1034 armv5te_deps="arm"
1035 armv6_deps="arm"
1036 armv6t2_deps="arm"
1037 armvfp_deps="arm"
1038 iwmmxt_deps="arm"
1039 mmi_deps="mips"
1040 mmx_deps="x86"
1041 mmx2_deps="mmx"
1042 neon_deps="arm"
1043 ppc4xx_deps="ppc"
1044 sse_deps="mmx"
1045 ssse3_deps="sse"
1046 vis_deps="sparc"
1047
1048 need_memalign="altivec neon sse"
1049 inline_asm_deps="!tms470"
1050
1051 # decoders / encoders / hardware accelerators
1052 aac_decoder_select="fft mdct"
1053 aac_encoder_select="fft mdct"
1054 ac3_decoder_select="fft mdct"
1055 atrac3_decoder_select="fft mdct"
1056 cavs_decoder_select="golomb"
1057 cook_decoder_select="fft mdct"
1058 cscd_decoder_suggest="zlib"
1059 dca_decoder_select="fft mdct"
1060 dnxhd_encoder_select="aandct"
1061 dxa_decoder_select="zlib"
1062 eac3_decoder_select="ac3_decoder"
1063 eamad_decoder_select="aandct"
1064 eatgq_decoder_select="aandct"
1065 eatqi_decoder_select="aandct"
1066 ffv1_decoder_select="golomb"
1067 flac_decoder_select="golomb"
1068 flac_encoder_select="golomb"
1069 flashsv_decoder_select="zlib"
1070 flashsv_encoder_select="zlib"
1071 flv_encoder_select="aandct"
1072 h261_encoder_select="aandct"
1073 h263_encoder_select="aandct"
1074 h263_vaapi_hwaccel_deps="va_va_h"
1075 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1076 h263p_encoder_select="aandct"
1077 h264_decoder_select="golomb"
1078 h264_vaapi_hwaccel_deps="va_va_h"
1079 h264_vaapi_hwaccel_select="vaapi"
1080 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1081 h264_vdpau_decoder_select="vdpau h264_decoder"
1082 imc_decoder_select="fft mdct"
1083 jpegls_decoder_select="golomb"
1084 jpegls_encoder_select="golomb"
1085 ljpeg_encoder_select="aandct"
1086 loco_decoder_select="golomb"
1087 mjpeg_encoder_select="aandct"
1088 mpeg1video_encoder_select="aandct"
1089 mpeg2video_encoder_select="aandct"
1090 mpeg4_encoder_select="aandct"
1091 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1092 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1093 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1094 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1095 mpeg2_vaapi_hwaccel_deps="va_va_h"
1096 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1097 mpeg4_vaapi_hwaccel_deps="va_va_h"
1098 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1099 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1100 msmpeg4v1_encoder_select="aandct"
1101 msmpeg4v2_encoder_select="aandct"
1102 msmpeg4v3_encoder_select="aandct"
1103 nellymoser_decoder_select="fft mdct"
1104 nellymoser_encoder_select="fft mdct"
1105 png_decoder_select="zlib"
1106 png_encoder_select="zlib"
1107 qdm2_decoder_select="fft mdct rdft"
1108 rv10_encoder_select="aandct"
1109 rv20_encoder_select="aandct"
1110 rv30_decoder_select="golomb"
1111 rv40_decoder_select="golomb"
1112 shorten_decoder_select="golomb"
1113 sonic_decoder_select="golomb"
1114 sonic_encoder_select="golomb"
1115 sonic_ls_encoder_select="golomb"
1116 svq3_decoder_select="golomb"
1117 svq3_decoder_suggest="zlib"
1118 theora_decoder_select="vp3_decoder"
1119 tiff_decoder_suggest="zlib"
1120 tiff_encoder_suggest="zlib"
1121 tscc_decoder_select="zlib"
1122 vc1_vaapi_hwaccel_deps="va_va_h"
1123 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1124 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1125 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1126 vorbis_decoder_select="fft mdct"
1127 vorbis_encoder_select="fft mdct"
1128 vp6a_decoder_select="vp6_decoder"
1129 vp6f_decoder_select="vp6_decoder"
1130 wmav1_decoder_select="fft mdct"
1131 wmav1_encoder_select="fft mdct"
1132 wmav2_decoder_select="fft mdct"
1133 wmav2_encoder_select="fft mdct"
1134 wmv1_encoder_select="aandct"
1135 wmv2_encoder_select="aandct"
1136 wmv3_decoder_select="vc1_decoder"
1137 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1138 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1139 zlib_decoder_select="zlib"
1140 zlib_encoder_select="zlib"
1141 zmbv_decoder_select="zlib"
1142 zmbv_encoder_select="zlib"
1143
1144 # parsers
1145 h264_parser_select="golomb"
1146
1147 # external libraries
1148 libdirac_decoder_deps="libdirac !libschroedinger"
1149 libdirac_encoder_deps="libdirac"
1150 libfaac_encoder_deps="libfaac"
1151 libfaad_decoder_deps="libfaad"
1152 libfaadbin_decoder_extralibs='$ldl'
1153 libgsm_decoder_deps="libgsm"
1154 libgsm_encoder_deps="libgsm"
1155 libgsm_ms_decoder_deps="libgsm"
1156 libgsm_ms_encoder_deps="libgsm"
1157 libmp3lame_encoder_deps="libmp3lame"
1158 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1159 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1160 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1161 libopenjpeg_decoder_deps="libopenjpeg"
1162 libschroedinger_decoder_deps="libschroedinger"
1163 libschroedinger_encoder_deps="libschroedinger"
1164 libspeex_decoder_deps="libspeex"
1165 libtheora_encoder_deps="libtheora"
1166 libvorbis_encoder_deps="libvorbis"
1167 libx264_encoder_deps="libx264"
1168 libxvid_encoder_deps="libxvid"
1169
1170 # demuxers / muxers
1171 ac3_demuxer_deps="ac3_parser"
1172 asf_stream_muxer_select="asf_muxer"
1173 avisynth_demuxer_deps="avisynth"
1174 dirac_demuxer_deps="dirac_parser"
1175 ipod_muxer_select="mov_muxer"
1176 libnut_demuxer_deps="libnut"
1177 libnut_muxer_deps="libnut"
1178 matroska_audio_muxer_select="matroska_muxer"
1179 matroska_demuxer_suggest="zlib bzlib"
1180 mov_demuxer_suggest="zlib"
1181 mp3_demuxer_deps="mpegaudio_parser"
1182 mp4_muxer_select="mov_muxer"
1183 mpegtsraw_demuxer_select="mpegts_demuxer"
1184 mxf_d10_muxer_select="mxf_muxer"
1185 psp_muxer_select="mov_muxer"
1186 redir_demuxer_deps="network"
1187 rtp_muxer_deps="network rtp_protocol"
1188 rtsp_demuxer_deps="sdp_demuxer"
1189 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1190 tg2_muxer_select="mov_muxer"
1191 tgp_muxer_select="mov_muxer"
1192
1193 # indevs / outdevs
1194 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1195 alsa_indev_extralibs="-lasound"
1196 alsa_outdev_deps="alsa_asoundlib_h"
1197 alsa_outdev_extralibs="-lasound"
1198 audio_beos_indev_deps="audio_beos"
1199 audio_beos_indev_extralibs="-lmedia -lbe"
1200 audio_beos_outdev_deps="audio_beos"
1201 audio_beos_outdev_extralibs="-lmedia -lbe"
1202 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1203 dv1394_indev_deps="dv1394 dv_demuxer"
1204 jack_indev_deps="jack_jack_h"
1205 jack_indev_extralibs="-ljack"
1206 libdc1394_indev_deps="libdc1394"
1207 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1208 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1209 v4l_indev_deps="linux_videodev_h"
1210 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1211 vfwcap_indev_deps="capCreateCaptureWindow"
1212 vfwcap_indev_extralibs="-lvfw32"
1213 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1214 x11_grab_device_indev_extralibs="-lX11 -lXext"
1215
1216 # protocols
1217 gopher_protocol_deps="network"
1218 http_protocol_deps="network"
1219 rtmp_protocol_deps="tcp_protocol"
1220 rtp_protocol_deps="udp_protocol"
1221 tcp_protocol_deps="network"
1222 udp_protocol_deps="network"
1223
1224 # filters
1225 movie_filter_deps="avfilter_lavf"
1226
1227 # programs
1228 ffplay_deps="sdl"
1229 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1230 ffserver_extralibs='$ldl'
1231
1232
1233 # default parameters
1234
1235 logfile="config.err"
1236
1237 # installation paths
1238 prefix_default="/usr/local"
1239 bindir_default='${prefix}/bin'
1240 datadir_default='${prefix}/share/ffmpeg'
1241 incdir_default='${prefix}/include'
1242 libdir_default='${prefix}/lib'
1243 mandir_default='${prefix}/share/man'
1244 shlibdir_default="$libdir_default"
1245
1246 # toolchain
1247 ar="ar"
1248 cc_default="gcc"
1249 host_cc_default="gcc"
1250 ln_s="ln -sf"
1251 nm_default="nm"
1252 objformat="elf"
1253 ranlib="ranlib"
1254 strip="strip"
1255 yasmexe="yasm"
1256
1257 # machine
1258 arch=$(uname -m)
1259 cpu="generic"
1260
1261 # OS
1262 target_os=$(tolower $(uname -s))
1263 host_os=$target_os
1264
1265 # configurable options
1266 enable debug
1267 enable fastdiv
1268 enable ffmpeg
1269 enable ffplay
1270 enable ffserver
1271 enable ipv6
1272 enable mpegaudio_hp
1273 enable network
1274 enable optimizations
1275 enable protocols
1276 enable static
1277 enable stripping
1278 enable swscale_alpha
1279
1280 # build settings
1281 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1282 FFSERVERLDFLAGS=-Wl,-E
1283 LIBPREF="lib"
1284 LIBSUF=".a"
1285 FULLNAME='$(NAME)$(BUILDSUF)'
1286 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1287 SLIBPREF="lib"
1288 SLIBSUF=".so"
1289 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1290 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1291 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1292 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1293
1294 CC_O='-o $@'
1295
1296 host_cflags='-O3 -g -Wall'
1297 host_libs='-lm'
1298
1299 target_path='.'
1300
1301 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1302 # full relative path for objects in subdirectories for non-recursive Make.
1303 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1304 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1305
1306 # find source path
1307 source_path="$(dirname "$0")"
1308 enable source_path_used
1309 if test -f configure; then
1310 source_path="$(pwd)"
1311 disable source_path_used
1312 else
1313 source_path="$(cd "$source_path"; pwd)"
1314 echo "$source_path" | grep -q '[[:blank:]]' &&
1315 die "Out of tree builds are impossible with whitespace in source path."
1316 test -e "$source_path/config.h" &&
1317 die "Out of tree builds are impossible with config.h in source dir."
1318 fi
1319
1320 for v in "$@"; do
1321 r=${v#*=}
1322 l=${v%"$r"}
1323 r=$(sh_quote "$r")
1324 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1325 done
1326
1327 find_things(){
1328 thing=$1
1329 pattern=$2
1330 file=$source_path/$3
1331 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1332 }
1333
1334 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1335 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1336 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1337 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1338 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1339 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1340 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1341 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1342 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1343 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1344 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1345
1346 enable $ARCH_EXT_LIST \
1347 $DECODER_LIST \
1348 $ENCODER_LIST \
1349 $HWACCEL_LIST \
1350 $PARSER_LIST \
1351 $BSF_LIST \
1352 $DEMUXER_LIST \
1353 $MUXER_LIST \
1354 $FILTER_LIST \
1355 $PROTOCOL_LIST \
1356 $INDEV_LIST \
1357 $OUTDEV_LIST \
1358
1359 die_unknown(){
1360 echo "Unknown option \"$1\"."
1361 echo "See $0 --help for available options."
1362 exit 1
1363 }
1364
1365 show_list() {
1366 suffix=_$1
1367 shift
1368 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1369 exit 0
1370 }
1371
1372 for opt do
1373 optval="${opt#*=}"
1374 case "$opt" in
1375 --extra-ldflags=*) add_ldflags $optval
1376 ;;
1377 --extra-libs=*) add_extralibs $optval
1378 ;;
1379 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1380 ;;
1381 --enable-debug=*) debuglevel="$optval"
1382 ;;
1383 --enable-*=*|--disable-*=*)
1384 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1385 case "$thing" in
1386 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1387 *) die_unknown "$opt" ;;
1388 esac
1389 ;;
1390 --enable-?*|--disable-?*)
1391 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1392 if is_in $option $COMPONENT_LIST; then
1393 test $action = disable && action=unset
1394 eval $action \$$(toupper ${option%s})_LIST
1395 elif is_in $option $CMDLINE_SELECT; then
1396 $action $option
1397 else
1398 die_unknown $opt
1399 fi
1400 ;;
1401 --list-*)
1402 NAME="${opt#--list-}"
1403 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1404 NAME=${NAME%s}
1405 eval show_list $NAME \$$(toupper $NAME)_LIST
1406 ;;
1407 --help|-h) show_help
1408 ;;
1409 *)
1410 optname="${opt%%=*}"
1411 optname="${optname#--}"
1412 optname=$(echo "$optname" | sed 's/-/_/g')
1413 if is_in $optname $CMDLINE_SET; then
1414 eval $optname='$optval'
1415 elif is_in $optname $CMDLINE_APPEND; then
1416 append $optname "$optval"
1417 else
1418 die_unknown $opt
1419 fi
1420 ;;
1421 esac
1422 done
1423
1424 disabled logging && logfile=/dev/null
1425
1426 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1427 set >> $logfile
1428
1429 test -n "$cross_prefix" && enable cross_compile
1430
1431 ar="${cross_prefix}${ar}"
1432 cc_default="${cross_prefix}${cc_default}"
1433 nm_default="${cross_prefix}${nm_default}"
1434 ranlib="${cross_prefix}${ranlib}"
1435 strip="${cross_prefix}${strip}"
1436
1437 sysinclude_default="${sysroot}/usr/include"
1438
1439 set_default cc nm sysinclude
1440 enabled cross_compile || host_cc_default=$cc
1441 set_default host_cc
1442
1443 exesuf() {
1444 case $1 in
1445 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1446 esac
1447 }
1448
1449 EXESUF=$(exesuf $target_os)
1450 HOSTEXESUF=$(exesuf $host_os)
1451
1452 # set temporary file name
1453 : ${TMPDIR:=$TEMPDIR}
1454 : ${TMPDIR:=$TMP}
1455 : ${TMPDIR:=/tmp}
1456
1457 if ! check_cmd type mktemp; then
1458 # simple replacement for missing mktemp
1459 # NOT SAFE FOR GENERAL USE
1460 mktemp(){
1461 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1462 }
1463 fi
1464
1465 tmpfile(){
1466 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1467 (set -C; exec > $tmp) 2>/dev/null ||
1468 die "Unable to create temoporary file in $TMPDIR."
1469 append TMPFILES $tmp
1470 eval $1=$tmp
1471 }
1472
1473 trap 'rm -f -- $TMPFILES' EXIT
1474 trap exit HUP INT TERM
1475
1476 tmpfile TMPC .c
1477 tmpfile TMPE $EXESUF
1478 tmpfile TMPH .h
1479 tmpfile TMPO .o
1480 tmpfile TMPS .S
1481 tmpfile TMPSH .sh
1482
1483 unset -f mktemp
1484
1485 # make sure we can execute files in $TMPDIR
1486 cat > $TMPSH 2>> $logfile <<EOF
1487 #! /bin/sh
1488 EOF
1489 chmod +x $TMPSH >> $logfile 2>&1
1490 if ! $TMPSH >> $logfile 2>&1; then
1491 cat <<EOF
1492 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1493 variable to another directory and make sure that it is not mounted noexec.
1494 EOF
1495 die "Sanity test failed."
1496 fi
1497
1498 filter_cflags=echo
1499 filter_cppflags=echo
1500 filter_asflags=echo
1501
1502 if $cc --version 2>/dev/null | grep -qi gcc; then
1503 cc_type=gcc
1504 elif $cc --version 2>/dev/null | grep -q Intel; then
1505 cc_type=icc
1506 elif $cc -v 2>&1 | grep -q xlc; then
1507 cc_type=xlc
1508 elif $cc -V 2>/dev/null | grep -q Compaq; then
1509 cc_type=ccc
1510 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1511 debuglevel=3
1512 add_ldflags -Wl,-z,now # calls to libots crash without this
1513 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1514 test -d "$sysroot" || die "No valid sysroot specified."
1515 cc_type=armcc
1516 armcc_conf="$PWD/armcc.conf"
1517 $cc --arm_linux_configure \
1518 --arm_linux_config_file="$armcc_conf" \
1519 --configure_sysroot="$sysroot" \
1520 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1521 die "Error creating armcc configuration file."
1522 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1523 as_default="${cross_prefix}gcc"
1524 elif $cc -version 2>/dev/null | grep -q TMS470; then
1525 cc_type=tms470
1526 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1527 CC_O='-fr=$(@D)'
1528 as_default="${cross_prefix}gcc"
1529 ld_default="${cross_prefix}gcc"
1530 dep_cc_default="${cross_prefix}gcc"
1531 TMPO=$(basename $TMPC .c).o
1532 append TMPFILES $TMPO
1533 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1534 DEPFLAGS='$(CPPFLAGS) -MM'
1535 filter_cflags=tms470_flags
1536 tms470_flags(){
1537 for flag; do
1538 case $flag in
1539 -march=*|-mcpu=*)
1540 case "${flag#*=}" in
1541 armv7-a|cortex-a*) echo -mv=7a8 ;;
1542 armv7-r|cortex-r*) echo -mv=7r4 ;;
1543 armv7-m|cortex-m*) echo -mv=7m3 ;;
1544 armv6*|arm11*) echo -mv=6 ;;
1545 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1546 echo -mv=5e ;;
1547 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1548 esac
1549 ;;
1550 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1551 -mfpu=vfp) echo --float_support=vfpv2 ;;
1552 -mfpu=softvfp) echo --float_support=vfplib ;;
1553 -Os) echo -O3 -mf=2 ;;
1554 -O[0-3]) echo $flag -mf=5 ;;
1555 -g) echo -g -mn ;;
1556 esac
1557 done
1558 }
1559 fi
1560
1561 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1562
1563 : ${as_default:=$cc}
1564 : ${dep_cc_default:=$cc}
1565 : ${ld_default:=$cc}
1566 set_default as dep_cc ld
1567
1568 add_cflags $extra_cflags
1569 add_asflags $extra_cflags
1570
1571 if test -n "$sysroot"; then
1572 case "$cc_type" in
1573 gcc)
1574 add_cppflags --sysroot="$sysroot"
1575 add_ldflags --sysroot="$sysroot"
1576 ;;
1577 tms470)
1578 add_cppflags -I"$sysinclude"
1579 add_ldflags --sysroot="$sysroot"
1580 ;;
1581 esac
1582 fi
1583
1584 # Add processor-specific flags
1585 case $cpu in
1586 601|ppc601|PowerPC601)
1587 cpuflags="-mcpu=601"
1588 ;;
1589 603*|ppc603*|PowerPC603*)
1590 cpuflags="-mcpu=603"
1591 ;;
1592 604*|ppc604*|PowerPC604*)
1593 cpuflags="-mcpu=604"
1594 ;;
1595 G3|g3|75*|ppc75*|PowerPC75*)
1596 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1597 ;;
1598 G4|g4|745*|ppc745*|PowerPC745*)
1599 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1600 ;;
1601 74*|ppc74*|PowerPC74*)
1602 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1603 ;;
1604 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1605 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1606 ;;
1607 Cell|CELL|cell)
1608 cpuflags="-mcpu=cell"
1609 enable ldbrx
1610 ;;
1611 # targets that do NOT support conditional mov (cmov)
1612 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1613 cpuflags="-march=$cpu"
1614 disable cmov
1615 ;;
1616 # targets that do support conditional mov (cmov)
1617 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1618 cpuflags="-march=$cpu"
1619 enable cmov
1620 enable fast_cmov
1621 ;;
1622 # targets that do support conditional mov but on which it's slow
1623 pentium4|pentium4m|prescott|nocona)
1624 cpuflags="-march=$cpu"
1625 enable cmov
1626 disable fast_cmov
1627 ;;
1628 sparc64)
1629 cpuflags="-mcpu=v9"
1630 ;;
1631 arm11*|cortex*)
1632 cpuflags="-mcpu=$cpu"
1633 enable fast_unaligned
1634 ;;
1635 armv[67]*)
1636 cpuflags="-march=$cpu"
1637 enable fast_unaligned
1638 ;;
1639 armv*)
1640 cpuflags="-march=$cpu"
1641 ;;
1642 arm*)
1643 cpuflags="-mcpu=$cpu"
1644 ;;
1645 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1646 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1647 ;;
1648 bf*)
1649 cpuflags="-mcpu=$cpu"
1650 ;;
1651 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1652 cpuflags="-march=$cpu"
1653 ;;
1654 generic)
1655 ;;
1656 *)
1657 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1658 ;;
1659 esac
1660
1661 add_cflags $cpuflags
1662 add_asflags $cpuflags
1663
1664 # compiler sanity check
1665 check_exec <<EOF
1666 int main(void){ return 0; }
1667 EOF
1668 if test "$?" != 0; then
1669 echo "$cc is unable to create an executable file."
1670 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1671 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1672 echo "Only do this if you know what cross compiling means."
1673 fi
1674 die "C compiler test failed."
1675 fi
1676
1677 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1678 check_cflags -std=c99
1679 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1680 #include <stdlib.h>
1681 EOF
1682 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1683 #include <stdlib.h>
1684 EOF
1685
1686 case "$arch" in
1687 alpha)
1688 arch="alpha"
1689 enable fast_64bit
1690 check_cflags -mieee
1691 pic=$shared
1692 ;;
1693 arm|armv[4567]*l)
1694 arch="arm"
1695 ;;
1696 avr32)
1697 ;;
1698 bfin)
1699 arch="bfin"
1700 ;;
1701 ia64)
1702 arch="ia64"
1703 enable fast_64bit
1704 pic=$shared
1705 ;;
1706 m68k)
1707 arch="m68k"
1708 ;;
1709 mips|mipsel|IP*)
1710 arch="mips"
1711 pic=$shared
1712 ;;
1713 mips64)
1714 arch="mips"
1715 subarch="mips64"
1716 enable fast_64bit
1717 pic=$shared
1718 ;;
1719 parisc|hppa)
1720 arch="parisc"
1721 pic=$shared
1722 ;;
1723 parisc64|hppa64)
1724 arch="parisc"
1725 enable fast_64bit
1726 pic=$shared
1727 ;;
1728 "Power Macintosh"|ppc|powerpc)
1729 arch="ppc"
1730 enable fast_unaligned
1731 ;;
1732 ppc64)
1733 arch="ppc"
1734 subarch="ppc64"
1735 enable fast_64bit
1736 enable fast_unaligned
1737 ;;
1738 s390|s390x)
1739 arch="s390"
1740 ;;
1741 sh4|sh)
1742 arch="sh4"
1743 ;;
1744 sparc)
1745 arch="sparc"
1746 pic=$shared
1747 ;;
1748 sun4u|sparc64)
1749 arch="sparc"
1750 subarch="sparc64"
1751 enable fast_64bit
1752 pic=$shared
1753 ;;
1754 i386|i486|i586|i686|i86pc|BePC)
1755 arch="x86"
1756 subarch="x86_32"
1757 enable fast_unaligned
1758 ;;
1759 x86_64|amd64)
1760 arch="x86"
1761 subarch="x86_32"
1762 enable cmov
1763 enable fast_cmov
1764 enable fast_unaligned
1765 check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1766 int test[sizeof(char*) - 7];
1767 EOF
1768 ;;
1769 *)
1770 arch="unknown"
1771 ;;
1772 esac
1773
1774 enable $arch $subarch
1775
1776 # OS specific
1777 case $target_os in
1778 beos|haiku|zeta)
1779 prefix_default="$HOME/config"
1780 # helps building libavcodec
1781 add_cppflags -DPIC
1782 add_cflags -fomit-frame-pointer
1783 # 3 gcc releases known for BeOS, each with ugly bugs
1784 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1785 case "$gcc_version" in
1786 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1787 disable mmx
1788 ;;
1789 *20010315*) echo "BeBits gcc"
1790 add_cflags -fno-expensive-optimizations
1791 ;;
1792 esac
1793 SHFLAGS=-nostart
1794 # enable BeOS things
1795 enable audio_beos
1796 # no need for libm, but the inet stuff
1797 # Check for BONE
1798 # XXX: actually should check for NOT net_server
1799 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1800 network_extralibs="-lbind -lsocket"
1801 else
1802 enable beos_netserver
1803 network_extralibs="-lnet"
1804 fi ;;
1805 sunos)
1806 FFSERVERLDFLAGS=""
1807 SHFLAGS='-shared -Wl,-h,$$(@F)'
1808 network_extralibs="-lsocket -lnsl"
1809 add_cppflags -D__EXTENSIONS__
1810 ;;
1811 netbsd)
1812 oss_indev_extralibs="-lossaudio"
1813 oss_outdev_extralibs="-lossaudio"
1814 ;;
1815 openbsd)
1816 enable malloc_aligned
1817 enable pic
1818 SHFLAGS='-shared'
1819 oss_indev_extralibs="-lossaudio"
1820 oss_outdev_extralibs="-lossaudio"
1821 ;;
1822 freebsd|dragonfly)
1823 enable malloc_aligned
1824 ;;
1825 bsd/os)
1826 osextralibs="-lpoll -lgnugetopt"
1827 strip="strip -d"
1828 ;;
1829 darwin)
1830 enable malloc_aligned
1831 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1832 strip="strip -x"
1833 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1834 SLIBSUF=".dylib"
1835 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1836 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1837 FFSERVERLDFLAGS=-Wl,-bind_at_load
1838 objformat="macho"
1839 enabled x86_64 && objformat="macho64"
1840 enabled shared || check_cflags -mdynamic-no-pic
1841 ;;
1842 mingw32*)
1843 if test $target_os = "mingw32ce"; then
1844 disable network
1845 else
1846 target_os=mingw32
1847 fi
1848 LIBTARGET=i386
1849 if enabled x86_64; then
1850 enable malloc_aligned
1851 LIBTARGET=x64
1852 elif enabled arm; then
1853 LIBTARGET=arm
1854 fi
1855 shlibdir_default="$bindir_default"
1856 disable ffserver
1857 SLIBPREF=""
1858 SLIBSUF=".dll"
1859 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1860 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1861 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1862 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1863 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1864 install -d "$(LIBDIR)"; \
1865 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1866 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1867 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1868 objformat="win32"
1869 enable dos_paths
1870 check_cflags -fno-common
1871 if ! enabled x86_64; then
1872 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1873 die "ERROR: MinGW runtime version must be >= 3.15."
1874 enabled_any avisynth vfwcap_indev &&
1875 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1876 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1877 fi
1878 ;;
1879 cygwin*)
1880 target_os=cygwin
1881 shlibdir_default="$bindir_default"
1882 SLIBPREF="cyg"
1883 SLIBSUF=".dll"
1884 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1885 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1886 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1887 objformat="win32"
1888 enable dos_paths
1889 check_cflags -fno-common
1890 ;;
1891 *-dos|freedos|opendos)
1892 disable ffplay ffserver
1893 disable $INDEV_LIST $OUTDEV_LIST
1894 network_extralibs="-lsocket"
1895 objformat="coff"
1896 enable dos_paths
1897 ;;
1898 linux)
1899 enable dv1394
1900 ;;
1901 irix*)
1902 target_os=irix
1903 ranlib="echo ignoring ranlib"
1904 ;;
1905 os/2*)
1906 strip="lxlite"
1907 ln_s="cp -f"
1908 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1909 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1910 FFSERVERLDFLAGS=""
1911 LIBSUF="_s.a"
1912 SLIBPREF=""
1913 SLIBSUF=".dll"
1914 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1915 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1916 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1917 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1918 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1919 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1920 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1921 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1922 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1923 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1924 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1925 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1926 enable dos_paths
1927 ;;
1928 gnu/kfreebsd)
1929 ;;
1930 gnu)
1931 ;;
1932
1933 *)
1934 die "Unknown OS '$target_os'."
1935 ;;
1936 esac
1937
1938 set_default $PATHS_LIST
1939
1940 add_extralibs $osextralibs
1941
1942 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1943 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1944
1945 # we need to build at least one lib type
1946 if ! enabled_any static shared; then
1947 cat <<EOF
1948 At least one library type must be built.
1949 Specify --enable-static to build the static libraries or --enable-shared to
1950 build the shared libraries as well. To only build the shared libraries specify
1951 --disable-static in addition to --enable-shared.
1952 EOF
1953 exit 1;
1954 fi
1955
1956 disabled static && LIBNAME=""
1957
1958 if enabled_any libfaad libfaadbin ; then
1959 if check_header faad.h; then
1960 check_cc <<EOF
1961 #include <faad.h>
1962 #ifndef FAAD2_VERSION
1963 ok faad1
1964 #endif
1965 int main(void) { return 0; }
1966 EOF
1967 test $? = 0 && enable libfaad2
1968 else
1969 die "FAAD test failed."
1970 fi
1971 fi
1972
1973
1974 die_license_disabled() {
1975 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1976 }
1977
1978 die_license_disabled gpl libfaad2
1979 die_license_disabled gpl libx264
1980 die_license_disabled gpl libxvid
1981 die_license_disabled gpl postproc
1982 die_license_disabled gpl x11grab
1983
1984 die_license_disabled nonfree libfaac
1985
1986 die_license_disabled version3 libopencore_amrnb
1987 die_license_disabled version3 libopencore_amrwb
1988
1989 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1990
1991 check_deps $ARCH_EXT_LIST
1992
1993 disabled optimizations || check_cflags -fomit-frame-pointer
1994
1995 check_cc <<EOF || die "Symbol mangling check failed."
1996 int ff_extern;
1997 EOF
1998 sym=$($nm -P -g $TMPO | grep ff_extern)
1999 extern_prefix=${sym%%ff_extern*}
2000
2001 check_cc <<EOF && enable inline_asm
2002 void foo(void) { __asm__ volatile ("" ::); }
2003 EOF
2004
2005 _restrict=
2006 for restrict_keyword in restrict __restrict__ __restrict; do
2007 check_cc <<EOF && _restrict=$restrict_keyword && break
2008 void foo(char * $restrict_keyword p);
2009 EOF
2010 done
2011
2012 check_cc <<EOF && enable attribute_packed
2013 struct { int x; } __attribute__((packed)) x;
2014 EOF
2015
2016 check_cc <<EOF || die "endian test failed"
2017 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2018 EOF
2019 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2020
2021 if enabled arm; then
2022
2023 check_ld <<EOF && enable vfp_args
2024 __asm__ (".eabi_attribute 28, 1");
2025 int main(void) { return 0; }
2026 EOF
2027
2028 # We have to check if pld is a nop and disable it.
2029 check_asm pld '"pld [r0]"'
2030
2031 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2032 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2033 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2034 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2035 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2036 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2037
2038 elif enabled mips; then
2039
2040 check_asm loongson '"dmult.g $1, $2, $3"'
2041 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2042
2043 elif enabled ppc; then
2044
2045 check_asm dcbzl '"dcbzl 0, 1"'
2046 check_asm ppc4xx '"maclhw r10, r11, r12"'
2047 check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2048
2049 # AltiVec flags: The FSF version of GCC differs from the Apple version
2050 if enabled altivec; then
2051 check_cflags -maltivec -mabi=altivec &&
2052 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2053 check_cflags -faltivec
2054
2055 # check if our compiler supports Motorola AltiVec C API
2056 check_cc <<EOF || disable altivec
2057 $inc_altivec_h
2058 int main(void) {
2059 vector signed int v1, v2, v3;
2060 v1 = vec_add(v2,v3);
2061 return 0;
2062 }
2063 EOF
2064
2065 # check if our compiler supports braces for vector declarations
2066 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2067 $inc_altivec_h
2068 int main (void) { (vector int) {1}; return 0; }
2069 EOF
2070 fi
2071
2072 elif enabled sparc; then
2073
2074 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2075 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2076
2077 elif enabled x86; then
2078
2079 # check whether EBP is available on x86
2080 # As 'i' is stored on the stack, this program will crash
2081 # if the base pointer is used to access it because the
2082 # base pointer is cleared in the inline assembly code.
2083 check_exec_crash <<EOF && enable ebp_available
2084 volatile int i=0;
2085 __asm__ volatile (
2086 "xorl %%ebp, %%ebp"
2087 ::: "%ebp");
2088 return i;
2089 EOF
2090
2091 # check wether EBX is available on x86
2092 check_asm ebx_available '"":::"%ebx"'
2093
2094 # check whether more than 10 operands are supported
2095 check_cc <<EOF && enable ten_operands
2096 int main(void) {
2097 int x=0;
2098 __asm__ volatile(
2099 ""
2100 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2101 );
2102 return 0;
2103 }
2104 EOF
2105
2106 # check whether binutils is new enough to compile SSSE3/MMX2
2107 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2108 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2109
2110 check_asm bswap '"bswap %%eax" ::: "%eax"'
2111
2112 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2113 enabled x86_64 && append YASMFLAGS "-m amd64"
2114 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2115 case "$objformat" in
2116 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2117 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2118 *) append YASMFLAGS "-DPREFIX" ;;
2119 esac
2120 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2121
2122 fi
2123
2124 if check_func dlopen; then
2125 ldl=
2126 elif check_func dlopen -ldl; then
2127 ldl=-ldl
2128 fi
2129
2130 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2131 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2132
2133 check_func fork
2134 check_func gethrtime
2135 check_func getrusage
2136 check_func inet_aton $network_extralibs
2137 check_func isatty
2138 check_func memalign
2139 check_func mkstemp
2140 check_func posix_memalign
2141 check_func_headers io.h setmode
2142 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2143 check_func_headers windows.h GetProcessTimes
2144 check_func_headers windows.h VirtualAlloc
2145
2146 check_header conio.h
2147 check_header dlfcn.h
2148 check_header malloc.h
2149 check_header poll.h
2150 check_header sys/mman.h
2151 check_header sys/resource.h
2152 check_header sys/select.h
2153 check_header termios.h
2154 check_header vdpau/vdpau.h
2155 check_header vdpau/vdpau_x11.h
2156 check_header X11/extensions/XvMClib.h
2157
2158 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2159 enabled_any $need_memalign ; then
2160 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2161 fi
2162
2163 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2164 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2165
2166 # check for some common methods of building with pthread support
2167 # do this before the optional library checks as some of them require pthreads
2168 if enabled pthreads; then
2169 if check_func pthread_create; then
2170 :
2171 elif check_func pthread_create -pthread; then
2172 add_cflags -pthread
2173 add_extralibs -pthread
2174 elif check_func pthread_create -pthreads; then
2175 add_cflags -pthreads
2176 add_extralibs -pthreads
2177 elif check_func pthread_create -lpthreadGC2; then
2178 add_extralibs -lpthreadGC2
2179 elif ! check_lib pthread.h pthread_create -lpthread; then
2180 die "ERROR: can't find pthreads library"
2181 fi
2182 fi
2183
2184 for thread in $THREADS_LIST; do
2185 if enabled $thread; then
2186 test -n "$thread_type" &&
2187 die "ERROR: Only one thread type must be selected." ||
2188 thread_type="$thread"
2189 fi
2190 done
2191
2192 check_lib math.h sin -lm
2193 check_lib va/va.h vaInitialize -lva
2194
2195 check_func llrint
2196 check_func log2
2197 check_func lrint
2198 check_func lrintf
2199 check_func round
2200 check_func roundf
2201 check_func truncf
2202
2203 # these are off by default, so fail if requested and not available
2204 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2205 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2206 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2207 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2208 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2209 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2210 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2211 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2212 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2213 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2214 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2215 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2216 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2217 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2218 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2219 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2220 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2221 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2222 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2223 die "ERROR: libx264 version must be >= 0.65."; }
2224 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2225 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2226
2227 # libdc1394 check
2228 if enabled libdc1394; then
2229 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2230 enable libdc1394_2; } ||
2231 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2232 enable libdc1394_1; } ||
2233 die "ERROR: No version of libdc1394 found "
2234 fi
2235
2236 disable sdl_too_old
2237 disable sdl
2238 SDL_CONFIG="${cross_prefix}sdl-config"
2239 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2240 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2241 temp_cflags $sdl_cflags
2242 temp_extralibs $("${SDL_CONFIG}" --libs)
2243 if check_lib2 SDL.h SDL_Init; then
2244 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2245 if test "$_sdlversion" -lt 121 ; then
2246 enable sdl_too_old
2247 else
2248 enable sdl
2249 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2250 #include <SDL.h>
2251 int main(int argc, char **argv){
2252 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2253 int w = vi->current_w;
2254 return 0;
2255 }
2256 EOF
2257 fi
2258 fi
2259 restore_flags
2260 fi
2261
2262 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2263
2264 if enabled network; then
2265 check_type "sys/types.h sys/socket.h" socklen_t
2266 # Prefer arpa/inet.h over winsock2
2267 if check_header arpa/inet.h ; then
2268 check_func closesocket
2269 elif check_header winsock2.h ; then
2270 check_func_headers winsock2.h closesocket -lws2 && \
2271 network_extralibs="-lws2" || \
2272 { check_func_headers winsock2.h closesocket -lws2_32 && \
2273 network_extralibs="-lws2_32"; }
2274 check_type ws2tcpip.h socklen_t
2275 else
2276 disable network
2277 fi
2278 fi
2279
2280 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2281 #include <sys/types.h>
2282 #include <sys/socket.h>
2283 #include <netinet/in.h>
2284 #include <netdb.h>
2285 int main(void) {
2286 struct sockaddr_storage saddr;
2287 struct ipv6_mreq mreq6;
2288 getaddrinfo(0,0,0,0);
2289 getnameinfo(0,0,0,0,0,0,0);
2290 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2291 }
2292 EOF
2293
2294 check_header linux/videodev.h
2295 check_header linux/videodev2.h
2296 check_header sys/videoio.h
2297
2298 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2299
2300 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2301 { check_header dev/bktr/ioctl_meteor.h &&
2302 check_header dev/bktr/ioctl_bt848.h; } ||
2303 { check_header machine/ioctl_meteor.h &&
2304 check_header machine/ioctl_bt848.h; } ||
2305 { check_header dev/video/meteor/ioctl_meteor.h &&
2306 check_header dev/video/bktr/ioctl_bt848.h; } ||
2307 check_header dev/ic/bt8xx.h
2308
2309 check_header sys/soundcard.h
2310 check_header soundcard.h
2311
2312 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2313
2314 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2315
2316 enabled x11grab &&
2317 check_header X11/Xlib.h &&
2318 check_header X11/extensions/XShm.h &&
2319 check_func XOpenDisplay -lX11 &&
2320 check_func XShmCreateImage -lX11 -lXext
2321
2322 enabled debug && add_cflags -g"$debuglevel"
2323
2324 # add some useful compiler flags if supported
2325 check_cflags -Wdeclaration-after-statement
2326 check_cflags -Wall
2327 check_cflags -Wno-switch
2328 check_cflags -Wdisabled-optimization
2329 check_cflags -Wpointer-arith
2330 check_cflags -Wredundant-decls
2331 check_cflags -Wno-pointer-sign
2332 check_cflags -Wcast-qual
2333 check_cflags -Wwrite-strings
2334 check_cflags -Wtype-limits
2335 check_cflags -Wundef
2336 enabled extra_warnings && check_cflags -Winline
2337
2338 # add some linker flags
2339 check_ldflags -Wl,--warn-common
2340 check_ldflags -Wl,--as-needed
2341 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'
2342 check_ldflags -Wl,-Bsymbolic
2343
2344 if enabled small; then
2345 check_cflags -Os # not all compilers support -Os
2346 optimizations="small"
2347 elif enabled optimizations; then
2348 if enabled xlc; then
2349 add_cflags -O5
2350 add_ldflags -O5
2351 elif enabled ccc; then
2352 add_cflags -fast
2353 else
2354 add_cflags -O3
2355 fi
2356 fi
2357 check_cflags -fno-math-errno
2358 check_cflags -fno-signed-zeros
2359
2360 if enabled icc; then
2361 # Just warnings, no remarks
2362 check_cflags -w1
2363 # -wd: Disable following warnings
2364 # 144, 167, 556: -Wno-pointer-sign
2365 # 10006: ignoring unknown option -fno-signed-zeros
2366 # 10156: ignoring option '-W'; no argument required
2367 check_cflags -wd144,167,556,10006,10156
2368 # 11030: Warning unknown option --as-needed
2369 # 10156: ignoring option '-export'; no argument required
2370 check_ldflags -wd10156,11030
2371 # Allow to compile with optimizations
2372 check_ldflags -march=$cpu
2373 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2374 enable ebp_available
2375 elif enabled ccc; then
2376 # disable some annoying warnings
2377 add_cflags -msg_disable cvtu32to64
2378 add_cflags -msg_disable embedcomment
2379 add_cflags -msg_disable needconstext
2380 add_cflags -msg_disable nomainieee
2381 add_cflags -msg_disable ptrmismatch1
2382 add_cflags -msg_disable unreachcode
2383 elif enabled gcc; then
2384 check_cflags -fno-tree-vectorize
2385 fi
2386
2387 enabled pic && LIBOBJFLAGS='$(PIC)'
2388
2389 if enabled gprof; then
2390 add_cflags -p
2391 add_ldflags -p
2392 fi
2393
2394 # Find out if the .align argument is a power of two or not.
2395 check_asm asmalign_pot '".align 3"'
2396
2397 enabled_any $DECODER_LIST && enable decoders
2398 enabled_any $ENCODER_LIST && enable encoders
2399 enabled_any $HWACCEL_LIST && enable hwaccels
2400 enabled_any $BSF_LIST && enable bsfs
2401 enabled_any $DEMUXER_LIST && enable demuxers
2402 enabled_any $MUXER_LIST && enable muxers
2403 enabled_any $FILTER_LIST && enable filters
2404 enabled_any $INDEV_LIST && enable indevs
2405 enabled_any $OUTDEV_LIST && enable outdevs
2406 enabled_any $PROTOCOL_LIST && enable protocols
2407
2408 enabled_any $THREADS_LIST && enable threads
2409
2410 check_deps $CONFIG_LIST \
2411 $CONFIG_EXTRA \
2412 $HAVE_LIST \
2413 $DECODER_LIST \
2414 $ENCODER_LIST \
2415 $HWACCEL_LIST \
2416 $PARSER_LIST \
2417 $BSF_LIST \
2418 $DEMUXER_LIST \
2419 $MUXER_LIST \
2420 $FILTER_LIST \
2421 $INDEV_LIST \
2422 $OUTDEV_LIST \
2423 $PROTOCOL_LIST \
2424
2425 echo "install prefix $prefix"
2426 echo "source path $source_path"
2427 echo "C compiler $cc"
2428 echo ".align is power-of-two $asmalign_pot"
2429 echo "ARCH $arch ($cpu)"
2430 if test "$build_suffix" != ""; then
2431 echo "build suffix $build_suffix"
2432 fi
2433 if test "$extra_version" != ""; then
2434 echo "version string suffix $extra_version"
2435 fi
2436 echo "big-endian ${bigendian-no}"
2437 echo "runtime cpu detection ${runtime_cpudetect-no}"
2438 if enabled x86; then
2439 echo "yasm ${yasm-no}"
2440 echo "MMX enabled ${mmx-no}"
2441 echo "MMX2 enabled ${mmx2-no}"
2442 echo "3DNow! enabled ${amd3dnow-no}"
2443 echo "3DNow! extended enabled ${amd3dnowext-no}"
2444 echo "SSE enabled ${sse-no}"
2445 echo "SSSE3 enabled ${ssse3-no}"
2446 echo "CMOV enabled ${cmov-no}"
2447 echo "CMOV is fast ${fast_cmov-no}"
2448 echo "EBX available ${ebx_available-no}"
2449 echo "EBP available ${ebp_available-no}"
2450 echo "10 operands supported ${ten_operands-no}"
2451 fi
2452 if enabled arm; then
2453 echo "ARMv5TE enabled ${armv5te-no}"
2454 echo "ARMv6 enabled ${armv6-no}"
2455 echo "ARMv6T2 enabled ${armv6t2-no}"
2456 echo "ARM VFP enabled ${armvfp-no}"
2457 echo "IWMMXT enabled ${iwmmxt-no}"
2458 echo "NEON enabled ${neon-no}"
2459 fi
2460 if enabled mips; then
2461 echo "MMI enabled ${mmi-no}"
2462 fi
2463 if enabled ppc; then
2464 echo "AltiVec enabled ${altivec-no}"
2465 echo "PPC 4xx optimizations ${ppc4xx-no}"
2466 echo "dcbzl available ${dcbzl-no}"
2467 echo "performance report ${powerpc_perf-no}"
2468 fi
2469 if enabled sparc; then
2470 echo "VIS enabled ${vis-no}"
2471 fi
2472 echo "gprof enabled ${gprof-no}"
2473 echo "debug symbols ${debug-no}"
2474 echo "strip symbols ${stripping-no}"
2475 echo "optimizations ${optimizations-no}"
2476 echo "static ${static-no}"
2477 echo "shared ${shared-no}"
2478 echo "postprocessing support ${postproc-no}"
2479 echo "new filter support ${avfilter-no}"
2480 echo "filters using lavformat ${avfilter_lavf-no}"
2481 echo "network support ${network-no}"
2482 if enabled network; then
2483 echo "IPv6 support ${ipv6-no}"
2484 fi
2485 echo "threading support ${thread_type-no}"
2486 echo "SDL support ${sdl-no}"
2487 if enabled sdl_too_old; then
2488 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2489 fi
2490 echo "Sun medialib support ${mlib-no}"
2491 echo "AVISynth enabled ${avisynth-no}"
2492 echo "libdc1394 support ${libdc1394-no}"
2493 echo "libdirac enabled ${libdirac-no}"
2494 echo "libfaac enabled ${libfaac-no}"
2495 echo "libfaad enabled ${libfaad-no}"
2496 echo "libfaad dlopened ${libfaadbin-no}"
2497 echo "libgsm enabled ${libgsm-no}"
2498 echo "libmp3lame enabled ${libmp3lame-no}"
2499 echo "libnut enabled ${libnut-no}"
2500 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2501 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2502 echo "libopenjpeg enabled ${libopenjpeg-no}"
2503 echo "libschroedinger enabled ${libschroedinger-no}"
2504 echo "libspeex enabled ${libspeex-no}"
2505 echo "libtheora enabled ${libtheora-no}"
2506 echo "libvorbis enabled ${libvorbis-no}"
2507 echo "libx264 enabled ${libx264-no}"
2508 echo "libxvid enabled ${libxvid-no}"
2509 echo "zlib enabled ${zlib-no}"
2510 echo "bzlib enabled ${bzlib-no}"
2511 echo
2512
2513 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2514 echo "Enabled ${type}s:"
2515 eval list=\$$(toupper $type)_LIST
2516 for part in $list; do
2517 enabled $part && echo ${part%_*}
2518 done | sort | pr -3 -t
2519 echo
2520 done
2521
2522 license="LGPL version 2.1 or later"
2523 if enabled nonfree; then
2524 license="nonfree and unredistributable"
2525 elif enabled gplv3; then
2526 license="GPL version 3 or later"
2527 elif enabled lgplv3; then
2528 license="LGPL version 3 or later"
2529 elif enabled gpl; then
2530 license="GPL version 2 or later"
2531 fi
2532
2533 echo "License: $license"
2534
2535 echo "Creating config.mak and config.h..."
2536
2537 echo "# Automatically generated by configure - do not modify!" > config.mak
2538 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2539 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2540 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2541 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2542 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2543
2544 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2545 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2546
2547 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2548 echo "prefix=$prefix" >> config.mak
2549 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2550 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2551 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2552 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2553 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2554 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2555 echo "SRC_PATH=\"$source_path\"" >> config.mak
2556 echo "SRC_PATH_BARE=$source_path" >> config.mak
2557 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2558 echo "CC=$cc" >> config.mak
2559 echo "AS=$as" >> config.mak
2560 echo "LD=$ld" >> config.mak
2561 echo "DEPCC=$dep_cc" >> config.mak
2562 echo "YASM=$yasmexe" >> config.mak
2563 echo "AR=$ar" >> config.mak
2564 echo "RANLIB=$ranlib" >> config.mak
2565 echo "LN_S=$ln_s" >> config.mak
2566 enabled stripping &&
2567 echo "STRIP=$strip" >> config.mak ||
2568 echo "STRIP=echo ignoring strip" >> config.mak
2569
2570 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2571 echo "CFLAGS=$CFLAGS" >> config.mak
2572 echo "ASFLAGS=$ASFLAGS" >> config.mak
2573 echo "CC_O=$CC_O" >> config.mak
2574 echo "LDFLAGS=$LDFLAGS" >> config.mak
2575 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2576 echo "SHFLAGS=$SHFLAGS" >> config.mak
2577 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2578 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2579 echo "PIC=-fPIC -DPIC" >> config.mak
2580 echo "BUILDSUF=$build_suffix" >> config.mak
2581 echo "FULLNAME=$FULLNAME" >> config.mak
2582 echo "LIBPREF=$LIBPREF" >> config.mak
2583 echo "LIBSUF=$LIBSUF" >> config.mak
2584 echo "LIBNAME=$LIBNAME" >> config.mak
2585 echo "SLIBPREF=$SLIBPREF" >> config.mak
2586 echo "SLIBSUF=$SLIBSUF" >> config.mak
2587 echo "EXESUF=$EXESUF" >> config.mak
2588 echo "EXTRA_VERSION=$extra_version" >> config.mak
2589 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2590 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2591 echo "HOSTCC=$host_cc" >> config.mak
2592 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2593 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2594 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2595 echo "HOSTLIBS=$host_libs" >> config.mak
2596 echo "TARGET_EXEC=$target_exec" >> config.mak
2597 echo "TARGET_PATH=$target_path" >> config.mak
2598
2599 if enabled sdl; then
2600 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2601 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2602 fi
2603 if enabled texi2html; then
2604 echo "BUILD_DOC=yes" >> config.mak
2605 fi
2606
2607 get_version(){
2608 name=$1
2609 file=$source_path/$2
2610 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2611 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2612 lcname=$(tolower $name)
2613 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2614 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2615 }
2616
2617 get_version LIBSWSCALE libswscale/swscale.h
2618 get_version LIBPOSTPROC libpostproc/postprocess.h
2619 get_version LIBAVCODEC libavcodec/avcodec.h
2620 get_version LIBAVDEVICE libavdevice/avdevice.h
2621 get_version LIBAVFORMAT libavformat/avformat.h
2622 get_version LIBAVUTIL libavutil/avutil.h
2623 get_version LIBAVFILTER libavfilter/avfilter.h
2624
2625 if enabled shared; then
2626 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2627 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2628 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2629 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2630 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2631 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2632 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2633 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2634 fi
2635 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2636 echo "EXTRALIBS=$extralibs" >> config.mak
2637
2638 echo "ARCH=$arch" >> config.mak
2639
2640 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2641 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2642 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2643 $CONFIG_EXTRA \
2644 $DECODER_LIST \
2645 $ENCODER_LIST \
2646 $HWACCEL_LIST \
2647 $PARSER_LIST \
2648 $BSF_LIST \
2649 $DEMUXER_LIST \
2650 $MUXER_LIST \
2651 $FILTER_LIST \
2652 $PROTOCOL_LIST \
2653 $INDEV_LIST \
2654 $OUTDEV_LIST \
2655
2656 echo "#define restrict $_restrict" >> $TMPH
2657
2658 if enabled small || disabled optimizations; then
2659 echo "#define av_always_inline" >> $TMPH
2660 fi
2661
2662
2663 # Apparently it's not possible to portably echo a backslash.
2664 enabled asmalign_pot &&
2665 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2666 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2667
2668 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2669
2670 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2671 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2672
2673 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2674 cmp -s $TMPH config.h &&
2675 echo "config.h is unchanged" ||
2676 mv -f $TMPH config.h
2677
2678 # build tree in object directory if source path is different from current one
2679 if enabled source_path_used; then
2680 DIRS="\
2681 doc \
2682 libavcodec \
2683 libavcodec/alpha \
2684 libavcodec/arm \
2685 libavcodec/bfin \
2686 libavcodec/mlib \
2687 libavcodec/ppc \
2688 libavcodec/sh4 \
2689 libavcodec/sparc \
2690 libavcodec/x86 \
2691 libavdevice \
2692 libavfilter \
2693 libavformat \
2694 libavutil \
2695 libpostproc \
2696 libswscale \
2697 libswscale/bfin \
2698 libswscale/mlib \
2699 libswscale/ppc \
2700 libswscale/sparc \
2701 libswscale/x86 \
2702 tests \
2703 tools \
2704 "
2705 FILES="\
2706 Makefile \
2707 common.mak \
2708 subdir.mak \
2709 doc/texi2pod.pl \
2710 libavcodec/Makefile \
2711 libavdevice/Makefile \
2712 libavfilter/Makefile \
2713 libavformat/Makefile \
2714 libavutil/Makefile \
2715 libpostproc/Makefile \
2716 libswscale/Makefile \
2717 "
2718 for dir in $DIRS ; do
2719 mkdir -p $dir
2720 done
2721 for f in $FILES ; do
2722 $ln_s "$source_path/$f" $f
2723 done
2724 fi
2725
2726
2727 # build pkg-config files
2728
2729 pkgconfig_generate(){
2730 name=$1
2731 shortname=${name#lib}${build_suffix}
2732 comment=$2
2733 version=$3
2734 libs=$4
2735 requires=$5
2736 cat <<EOF > $name/$name.pc
2737 prefix=$prefix
2738 exec_prefix=\${prefix}
2739 libdir=$libdir
2740 includedir=$incdir
2741
2742 Name: $name
2743 Description: $comment
2744 Version: $version
2745 Requires: $(disabled shared && echo $requires)
2746 Requires.private: $(enabled shared && echo $requires)
2747 Conflicts:
2748 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2749 Libs.private: $(enabled shared && echo $libs)
2750 Cflags: -I\${includedir}
2751 EOF
2752 cat <<EOF > $name/$name-uninstalled.pc
2753 prefix=
2754 exec_prefix=
2755 libdir=\${pcfiledir}
2756 includedir=${source_path}
2757
2758 Name: $name
2759 Description: $comment
2760 Version: $version
2761 Requires: $requires
2762 Conflicts:
2763 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2764 Cflags: -I\${includedir}
2765 EOF
2766 }
2767
2768 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2769 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2770 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2771 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2772 enabled avfilter &&
2773 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2774 enabled postproc &&
2775 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2776 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"