ARM: check for VFP register arguments
[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 vfp_args
962 VirtualAlloc
963 winsock2_h
964 xform_asm
965 yasm
966 "
967
968 # options emitted with CONFIG_ prefix but not available on command line
969 CONFIG_EXTRA="
970 gplv3
971 lgplv3
972 "
973
974 CMDLINE_SELECT="
975 $ARCH_EXT_LIST
976 $CONFIG_LIST
977 $THREADS_LIST
978 cross_compile
979 debug
980 extra_warnings
981 logging
982 optimizations
983 stripping
984 yasm
985 "
986
987 PATHS_LIST='
988 bindir
989 datadir
990 incdir
991 libdir
992 mandir
993 prefix
994 shlibdir
995 '
996
997 CMDLINE_SET="
998 $PATHS_LIST
999 arch
1000 as
1001 build_suffix
1002 cc
1003 cpu
1004 cross_prefix
1005 dep_cc
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 CMDLINE_APPEND="
1024 extra_cflags
1025 "
1026
1027 # code dependency declarations
1028
1029 # architecture extensions
1030 altivec_deps="ppc"
1031 amd3dnow_deps="mmx"
1032 amd3dnowext_deps="amd3dnow"
1033 armv5te_deps="arm"
1034 armv6_deps="arm"
1035 armv6t2_deps="arm"
1036 armvfp_deps="arm"
1037 iwmmxt_deps="arm"
1038 mmi_deps="mips"
1039 mmx_deps="x86"
1040 mmx2_deps="mmx"
1041 neon_deps="arm"
1042 ppc4xx_deps="ppc"
1043 sse_deps="mmx"
1044 ssse3_deps="sse"
1045 vis_deps="sparc"
1046
1047 need_memalign="altivec neon sse"
1048 inline_asm_deps="!tms470"
1049
1050 # decoders / encoders / hardware accelerators
1051 aac_decoder_select="fft mdct"
1052 ac3_decoder_select="fft mdct"
1053 atrac3_decoder_select="fft mdct"
1054 cavs_decoder_select="golomb"
1055 cook_decoder_select="fft mdct"
1056 cscd_decoder_suggest="zlib"
1057 dca_decoder_select="fft mdct"
1058 dnxhd_encoder_select="aandct"
1059 dxa_decoder_select="zlib"
1060 eac3_decoder_select="fft mdct"
1061 eatgq_decoder_select="aandct"
1062 eatqi_decoder_select="aandct"
1063 ffv1_decoder_select="golomb"
1064 flac_decoder_select="golomb"
1065 flac_encoder_select="golomb"
1066 flashsv_decoder_select="zlib"
1067 flashsv_encoder_select="zlib"
1068 flv_encoder_select="aandct"
1069 h261_encoder_select="aandct"
1070 h263_encoder_select="aandct"
1071 h263_vaapi_hwaccel_deps="va_va_h"
1072 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1073 h263p_encoder_select="aandct"
1074 h264_decoder_select="golomb"
1075 h264_vaapi_hwaccel_deps="va_va_h"
1076 h264_vaapi_hwaccel_select="vaapi"
1077 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1078 h264_vdpau_decoder_select="vdpau h264_decoder"
1079 imc_decoder_select="fft mdct"
1080 jpegls_decoder_select="golomb"
1081 jpegls_encoder_select="golomb"
1082 ljpeg_encoder_select="aandct"
1083 loco_decoder_select="golomb"
1084 mjpeg_encoder_select="aandct"
1085 mpeg1video_encoder_select="aandct"
1086 mpeg2video_encoder_select="aandct"
1087 mpeg4_encoder_select="aandct"
1088 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1089 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1090 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1091 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1092 mpeg2_vaapi_hwaccel_deps="va_va_h"
1093 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1094 mpeg4_vaapi_hwaccel_deps="va_va_h"
1095 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1096 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1097 msmpeg4v1_encoder_select="aandct"
1098 msmpeg4v2_encoder_select="aandct"
1099 msmpeg4v3_encoder_select="aandct"
1100 nellymoser_decoder_select="fft mdct"
1101 nellymoser_encoder_select="fft mdct"
1102 png_decoder_select="zlib"
1103 png_encoder_select="zlib"
1104 qdm2_decoder_select="fft mdct rdft"
1105 rv10_encoder_select="aandct"
1106 rv20_encoder_select="aandct"
1107 rv30_decoder_select="golomb"
1108 rv40_decoder_select="golomb"
1109 shorten_decoder_select="golomb"
1110 sonic_decoder_select="golomb"
1111 sonic_encoder_select="golomb"
1112 sonic_ls_encoder_select="golomb"
1113 svq3_decoder_select="golomb"
1114 svq3_decoder_suggest="zlib"
1115 tiff_decoder_suggest="zlib"
1116 tiff_encoder_suggest="zlib"
1117 tscc_decoder_select="zlib"
1118 vc1_vaapi_hwaccel_deps="va_va_h"
1119 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1120 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1121 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1122 vorbis_decoder_select="fft mdct"
1123 vorbis_encoder_select="fft mdct"
1124 vp6a_decoder_select="vp6_decoder"
1125 vp6f_decoder_select="vp6_decoder"
1126 wmav1_decoder_select="fft mdct"
1127 wmav1_encoder_select="fft mdct"
1128 wmav2_decoder_select="fft mdct"
1129 wmav2_encoder_select="fft mdct"
1130 wmv1_encoder_select="aandct"
1131 wmv2_encoder_select="aandct"
1132 wmv3_decoder_select="vc1_decoder"
1133 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1134 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1135 zlib_decoder_select="zlib"
1136 zlib_encoder_select="zlib"
1137 zmbv_decoder_select="zlib"
1138 zmbv_encoder_select="zlib"
1139
1140 # parsers
1141 h264_parser_select="golomb"
1142
1143 # external libraries
1144 libdirac_decoder_deps="libdirac !libschroedinger"
1145 libdirac_encoder_deps="libdirac"
1146 libfaac_encoder_deps="libfaac"
1147 libfaad_decoder_deps="libfaad"
1148 libfaadbin_decoder_extralibs='$ldl'
1149 libgsm_decoder_deps="libgsm"
1150 libgsm_encoder_deps="libgsm"
1151 libgsm_ms_decoder_deps="libgsm"
1152 libgsm_ms_encoder_deps="libgsm"
1153 libmp3lame_encoder_deps="libmp3lame"
1154 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1155 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1156 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1157 libopenjpeg_decoder_deps="libopenjpeg"
1158 libschroedinger_decoder_deps="libschroedinger"
1159 libschroedinger_encoder_deps="libschroedinger"
1160 libspeex_decoder_deps="libspeex"
1161 libtheora_encoder_deps="libtheora"
1162 libvorbis_encoder_deps="libvorbis"
1163 libx264_encoder_deps="libx264"
1164 libxvid_encoder_deps="libxvid"
1165
1166 # demuxers / muxers
1167 ac3_demuxer_deps="ac3_parser"
1168 asf_stream_muxer_select="asf_muxer"
1169 avisynth_demuxer_deps="avisynth"
1170 dirac_demuxer_deps="dirac_parser"
1171 ipod_muxer_select="mov_muxer"
1172 libnut_demuxer_deps="libnut"
1173 libnut_muxer_deps="libnut"
1174 matroska_audio_muxer_select="matroska_muxer"
1175 matroska_demuxer_suggest="zlib bzlib"
1176 mov_demuxer_suggest="zlib"
1177 mp3_demuxer_deps="mpegaudio_parser"
1178 mp4_muxer_select="mov_muxer"
1179 mpegtsraw_demuxer_select="mpegts_demuxer"
1180 mxf_d10_muxer_select="mxf_muxer"
1181 psp_muxer_select="mov_muxer"
1182 redir_demuxer_deps="network"
1183 rtp_muxer_deps="network rtp_protocol"
1184 rtsp_demuxer_deps="sdp_demuxer"
1185 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1186 tg2_muxer_select="mov_muxer"
1187 tgp_muxer_select="mov_muxer"
1188
1189 # indevs / outdevs
1190 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1191 alsa_indev_extralibs="-lasound"
1192 alsa_outdev_deps="alsa_asoundlib_h"
1193 alsa_outdev_extralibs="-lasound"
1194 audio_beos_indev_deps="audio_beos"
1195 audio_beos_indev_extralibs="-lmedia -lbe"
1196 audio_beos_outdev_deps="audio_beos"
1197 audio_beos_outdev_extralibs="-lmedia -lbe"
1198 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1199 dv1394_indev_deps="dv1394 dv_demuxer"
1200 jack_indev_deps="jack_jack_h"
1201 jack_indev_extralibs="-ljack"
1202 libdc1394_indev_deps="libdc1394"
1203 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1204 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1205 v4l_indev_deps="linux_videodev_h"
1206 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1207 vfwcap_indev_deps="capCreateCaptureWindow"
1208 vfwcap_indev_extralibs="-lvfw32"
1209 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1210 x11_grab_device_indev_extralibs="-lX11 -lXext"
1211
1212 # protocols
1213 gopher_protocol_deps="network"
1214 http_protocol_deps="network"
1215 rtp_protocol_deps="udp_protocol"
1216 tcp_protocol_deps="network"
1217 udp_protocol_deps="network"
1218
1219 # filters
1220 movie_filter_deps="avfilter_lavf"
1221
1222 # programs
1223 ffplay_deps="sdl"
1224 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1225 ffserver_extralibs='$ldl'
1226
1227
1228 # default parameters
1229
1230 logfile="config.err"
1231
1232 # installation paths
1233 prefix_default="/usr/local"
1234 bindir_default='${prefix}/bin'
1235 datadir_default='${prefix}/share/ffmpeg'
1236 incdir_default='${prefix}/include'
1237 libdir_default='${prefix}/lib'
1238 mandir_default='${prefix}/share/man'
1239 shlibdir_default="$libdir_default"
1240
1241 # toolchain
1242 ar="ar"
1243 cc_default="gcc"
1244 host_cc_default="gcc"
1245 ln_s="ln -sf"
1246 nm_default="nm"
1247 objformat="elf"
1248 ranlib="ranlib"
1249 strip="strip"
1250 yasmexe="yasm"
1251
1252 # machine
1253 arch=$(uname -m)
1254 cpu="generic"
1255
1256 # OS
1257 target_os=$(tolower $(uname -s))
1258 host_os=$target_os
1259
1260 # configurable options
1261 enable debug
1262 enable fastdiv
1263 enable ffmpeg
1264 enable ffplay
1265 enable ffserver
1266 enable ipv6
1267 enable mpegaudio_hp
1268 enable network
1269 enable optimizations
1270 enable protocols
1271 enable static
1272 enable stripping
1273 enable swscale_alpha
1274
1275 # build settings
1276 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1277 FFSERVERLDFLAGS=-Wl,-E
1278 LIBPREF="lib"
1279 LIBSUF=".a"
1280 FULLNAME='$(NAME)$(BUILDSUF)'
1281 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1282 SLIBPREF="lib"
1283 SLIBSUF=".so"
1284 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1285 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1286 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1287 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1288
1289 CC_O='-o $@'
1290
1291 host_cflags='-O3 -g -Wall'
1292 host_libs='-lm'
1293
1294 target_path='.'
1295
1296 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1297 # full relative path for objects in subdirectories for non-recursive Make.
1298 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1299 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1300
1301 # find source path
1302 source_path="$(dirname "$0")"
1303 enable source_path_used
1304 if test -f configure; then
1305 source_path="$(pwd)"
1306 disable source_path_used
1307 else
1308 source_path="$(cd "$source_path"; pwd)"
1309 echo "$source_path" | grep -q '[[:blank:]]' &&
1310 die "Out of tree builds are impossible with whitespace in source path."
1311 test -e "$source_path/config.h" &&
1312 die "Out of tree builds are impossible with config.h in source dir."
1313 fi
1314
1315 for v in "$@"; do
1316 r=${v#*=}
1317 l=${v%"$r"}
1318 r=$(sh_quote "$r")
1319 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1320 done
1321
1322 find_things(){
1323 thing=$1
1324 pattern=$2
1325 file=$source_path/$3
1326 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1327 }
1328
1329 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1330 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1331 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1332 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1333 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1334 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1335 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1336 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1337 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1338 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1339 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1340
1341 enable $ARCH_EXT_LIST \
1342 $DECODER_LIST \
1343 $ENCODER_LIST \
1344 $HWACCEL_LIST \
1345 $PARSER_LIST \
1346 $BSF_LIST \
1347 $DEMUXER_LIST \
1348 $MUXER_LIST \
1349 $FILTER_LIST \
1350 $PROTOCOL_LIST \
1351 $INDEV_LIST \
1352 $OUTDEV_LIST \
1353
1354 die_unknown(){
1355 echo "Unknown option \"$1\"."
1356 echo "See $0 --help for available options."
1357 exit 1
1358 }
1359
1360 show_list() {
1361 suffix=_$1
1362 shift
1363 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1364 exit 0
1365 }
1366
1367 for opt do
1368 optval="${opt#*=}"
1369 case "$opt" in
1370 --extra-ldflags=*) add_ldflags $optval
1371 ;;
1372 --extra-libs=*) add_extralibs $optval
1373 ;;
1374 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1375 ;;
1376 --enable-debug=*) debuglevel="$optval"
1377 ;;
1378 --enable-*=*|--disable-*=*)
1379 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1380 case "$thing" in
1381 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1382 *) die_unknown "$opt" ;;
1383 esac
1384 ;;
1385 --enable-?*|--disable-?*)
1386 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1387 if is_in $option $COMPONENT_LIST; then
1388 test $action = disable && action=unset
1389 eval $action \$$(toupper ${option%s})_LIST
1390 elif is_in $option $CMDLINE_SELECT; then
1391 $action $option
1392 else
1393 die_unknown $opt
1394 fi
1395 ;;
1396 --list-*)
1397 NAME="${opt#--list-}"
1398 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1399 NAME=${NAME%s}
1400 eval show_list $NAME \$$(toupper $NAME)_LIST
1401 ;;
1402 --help|-h) show_help
1403 ;;
1404 *)
1405 optname="${opt%%=*}"
1406 optname="${optname#--}"
1407 optname=$(echo "$optname" | sed 's/-/_/g')
1408 if is_in $optname $CMDLINE_SET; then
1409 eval $optname='$optval'
1410 elif is_in $optname $CMDLINE_APPEND; then
1411 append $optname "$optval"
1412 else
1413 die_unknown $opt
1414 fi
1415 ;;
1416 esac
1417 done
1418
1419 disabled logging && logfile=/dev/null
1420
1421 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1422 set >> $logfile
1423
1424 test -n "$cross_prefix" && enable cross_compile
1425
1426 ar="${cross_prefix}${ar}"
1427 cc_default="${cross_prefix}${cc_default}"
1428 nm_default="${cross_prefix}${nm_default}"
1429 ranlib="${cross_prefix}${ranlib}"
1430 strip="${cross_prefix}${strip}"
1431
1432 sysinclude_default="${sysroot}/usr/include"
1433
1434 set_default cc nm sysinclude
1435 enabled cross_compile || host_cc_default=$cc
1436 set_default host_cc
1437
1438 exesuf() {
1439 case $1 in
1440 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1441 esac
1442 }
1443
1444 EXESUF=$(exesuf $target_os)
1445 HOSTEXESUF=$(exesuf $host_os)
1446
1447 # set temporary file name
1448 : ${TMPDIR:=$TEMPDIR}
1449 : ${TMPDIR:=$TMP}
1450 : ${TMPDIR:=/tmp}
1451
1452 if ! check_cmd type mktemp; then
1453 # simple replacement for missing mktemp
1454 # NOT SAFE FOR GENERAL USE
1455 mktemp(){
1456 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1457 }
1458 fi
1459
1460 tmpfile(){
1461 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1462 (set -C; exec > $tmp) 2>/dev/null ||
1463 die "Unable to create temoporary file in $TMPDIR."
1464 append TMPFILES $tmp
1465 eval $1=$tmp
1466 }
1467
1468 trap 'rm -f -- $TMPFILES' EXIT
1469 trap exit HUP INT TERM
1470
1471 tmpfile TMPC .c
1472 tmpfile TMPE $EXESUF
1473 tmpfile TMPH .h
1474 tmpfile TMPO .o
1475 tmpfile TMPS .S
1476 tmpfile TMPSH .sh
1477
1478 unset -f mktemp
1479
1480 # make sure we can execute files in $TMPDIR
1481 cat > $TMPSH 2>> $logfile <<EOF
1482 #! /bin/sh
1483 EOF
1484 chmod +x $TMPSH >> $logfile 2>&1
1485 if ! $TMPSH >> $logfile 2>&1; then
1486 cat <<EOF
1487 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1488 variable to another directory and make sure that it is not mounted noexec.
1489 EOF
1490 die "Sanity test failed."
1491 fi
1492
1493 filter_cflags=echo
1494 filter_cppflags=echo
1495 filter_asflags=echo
1496
1497 if $cc --version 2>/dev/null | grep -qi gcc; then
1498 cc_type=gcc
1499 elif $cc --version 2>/dev/null | grep -q Intel; then
1500 cc_type=icc
1501 elif $cc -v 2>&1 | grep -q xlc; then
1502 cc_type=xlc
1503 elif $cc -V 2>/dev/null | grep -q Compaq; then
1504 cc_type=ccc
1505 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1506 debuglevel=3
1507 add_ldflags -Wl,-z,now # calls to libots crash without this
1508 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1509 test -d "$sysroot" || die "No valid sysroot specified."
1510 cc_type=armcc
1511 armcc_conf="$PWD/armcc.conf"
1512 $cc --arm_linux_configure \
1513 --arm_linux_config_file="$armcc_conf" \
1514 --configure_sysroot="$sysroot" \
1515 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1516 die "Error creating armcc configuration file."
1517 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1518 as_default="${cross_prefix}gcc"
1519 elif $cc -version 2>/dev/null | grep -q TMS470; then
1520 cc_type=tms470
1521 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1522 CC_O='-fr=$(@D)'
1523 as_default="${cross_prefix}gcc"
1524 ld_default="${cross_prefix}gcc"
1525 dep_cc_default="${cross_prefix}gcc"
1526 TMPO=$(basename $TMPC .c).o
1527 append TMPFILES $TMPO
1528 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1529 DEPFLAGS='$(CPPFLAGS) -MM'
1530 filter_cflags=tms470_flags
1531 tms470_flags(){
1532 for flag; do
1533 case $flag in
1534 -march=*|-mcpu=*)
1535 case "${flag#*=}" in
1536 armv7-a|cortex-a*) echo -mv=7a8 ;;
1537 armv7-r|cortex-r*) echo -mv=7r4 ;;
1538 armv7-m|cortex-m*) echo -mv=7m3 ;;
1539 armv6*|arm11*) echo -mv=6 ;;
1540 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1541 echo -mv=5e ;;
1542 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1543 esac
1544 ;;
1545 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1546 -mfpu=vfp) echo --float_support=vfpv2 ;;
1547 -mfpu=softvfp) echo --float_support=vfplib ;;
1548 -Os) echo -O3 -mf=2 ;;
1549 -O[0-3]) echo $flag -mf=5 ;;
1550 -g) echo -g -mn ;;
1551 esac
1552 done
1553 }
1554 fi
1555
1556 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1557
1558 : ${as_default:=$cc}
1559 : ${dep_cc_default:=$cc}
1560 : ${ld_default:=$cc}
1561 set_default as dep_cc ld
1562
1563 add_cflags $extra_cflags
1564 add_asflags $extra_cflags
1565
1566 if test -n "$sysroot"; then
1567 case "$cc_type" in
1568 gcc)
1569 add_cppflags --sysroot="$sysroot"
1570 add_ldflags --sysroot="$sysroot"
1571 ;;
1572 tms470)
1573 add_cppflags -I"$sysinclude"
1574 add_ldflags --sysroot="$sysroot"
1575 ;;
1576 esac
1577 fi
1578
1579 # Add processor-specific flags
1580 case $cpu in
1581 601|ppc601|PowerPC601)
1582 cpuflags="-mcpu=601"
1583 ;;
1584 603*|ppc603*|PowerPC603*)
1585 cpuflags="-mcpu=603"
1586 ;;
1587 604*|ppc604*|PowerPC604*)
1588 cpuflags="-mcpu=604"
1589 ;;
1590 G3|g3|75*|ppc75*|PowerPC75*)
1591 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1592 ;;
1593 G4|g4|745*|ppc745*|PowerPC745*)
1594 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1595 ;;
1596 74*|ppc74*|PowerPC74*)
1597 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1598 ;;
1599 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1600 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1601 ;;
1602 Cell|CELL|cell)
1603 cpuflags="-mcpu=cell"
1604 enable ldbrx
1605 ;;
1606 # targets that do NOT support conditional mov (cmov)
1607 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1608 cpuflags="-march=$cpu"
1609 disable cmov
1610 ;;
1611 # targets that do support conditional mov (cmov)
1612 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1613 cpuflags="-march=$cpu"
1614 enable cmov
1615 enable fast_cmov
1616 ;;
1617 # targets that do support conditional mov but on which it's slow
1618 pentium4|pentium4m|prescott|nocona)
1619 cpuflags="-march=$cpu"
1620 enable cmov
1621 disable fast_cmov
1622 ;;
1623 sparc64)
1624 cpuflags="-mcpu=v9"
1625 ;;
1626 arm11*|cortex*)
1627 cpuflags="-mcpu=$cpu"
1628 enable fast_unaligned
1629 ;;
1630 armv[67]*)
1631 cpuflags="-march=$cpu"
1632 enable fast_unaligned
1633 ;;
1634 armv*)
1635 cpuflags="-march=$cpu"
1636 ;;
1637 arm*)
1638 cpuflags="-mcpu=$cpu"
1639 ;;
1640 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1641 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1642 ;;
1643 bf*)
1644 cpuflags="-mcpu=$cpu"
1645 ;;
1646 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1647 cpuflags="-march=$cpu"
1648 ;;
1649 generic)
1650 ;;
1651 *)
1652 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1653 ;;
1654 esac
1655
1656 add_cflags $cpuflags
1657 add_asflags $cpuflags
1658
1659 # compiler sanity check
1660 check_exec <<EOF
1661 int main(void){ return 0; }
1662 EOF
1663 if test "$?" != 0; then
1664 echo "$cc is unable to create an executable file."
1665 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1666 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1667 echo "Only do this if you know what cross compiling means."
1668 fi
1669 die "C compiler test failed."
1670 fi
1671
1672 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1673 check_cflags -std=c99
1674 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1675 #include <stdlib.h>
1676 EOF
1677 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1678 #include <stdlib.h>
1679 EOF
1680
1681 case "$arch" in
1682 alpha)
1683 arch="alpha"
1684 enable fast_64bit
1685 check_cflags -mieee
1686 ;;
1687 arm|armv[4567]*l)
1688 arch="arm"
1689 ;;
1690 avr32)
1691 ;;
1692 bfin)
1693 arch="bfin"
1694 ;;
1695 ia64)
1696 arch="ia64"
1697 enable fast_64bit
1698 ;;
1699 m68k)
1700 arch="m68k"
1701 ;;
1702 mips|mipsel|IP*)
1703 arch="mips"
1704 ;;
1705 mips64)
1706 arch="mips"
1707 subarch="mips64"
1708 enable fast_64bit
1709 ;;
1710 parisc|hppa)
1711 arch="parisc"
1712 ;;
1713 parisc64|hppa64)
1714 arch="parisc"
1715 enable fast_64bit
1716 ;;
1717 "Power Macintosh"|ppc|powerpc)
1718 arch="ppc"
1719 enable fast_unaligned
1720 ;;
1721 ppc64)
1722 arch="ppc"
1723 subarch="ppc64"
1724 enable fast_64bit
1725 enable fast_unaligned
1726 ;;
1727 s390|s390x)
1728 arch="s390"
1729 ;;
1730 sh4|sh)
1731 arch="sh4"
1732 ;;
1733 sparc)
1734 arch="sparc"
1735 ;;
1736 sun4u|sparc64)
1737 arch="sparc"
1738 subarch="sparc64"
1739 enable fast_64bit
1740 ;;
1741 i386|i486|i586|i686|i86pc|BePC)
1742 arch="x86"
1743 subarch="x86_32"
1744 enable fast_unaligned
1745 ;;
1746 x86_64|amd64)
1747 arch="x86"
1748 subarch="x86_32"
1749 enable cmov
1750 enable fast_cmov
1751 enable fast_unaligned
1752 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1753 int test[sizeof(char*) - 7];
1754 EOF
1755 ;;
1756 *)
1757 arch="unknown"
1758 ;;
1759 esac
1760
1761 enable $arch $subarch
1762
1763 # OS specific
1764 case $target_os in
1765 beos|haiku|zeta)
1766 prefix_default="$HOME/config"
1767 # helps building libavcodec
1768 add_cppflags -DPIC
1769 add_cflags -fomit-frame-pointer
1770 # 3 gcc releases known for BeOS, each with ugly bugs
1771 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1772 case "$gcc_version" in
1773 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1774 disable mmx
1775 ;;
1776 *20010315*) echo "BeBits gcc"
1777 add_cflags -fno-expensive-optimizations
1778 ;;
1779 esac
1780 SHFLAGS=-nostart
1781 # enable BeOS things
1782 enable audio_beos
1783 # no need for libm, but the inet stuff
1784 # Check for BONE
1785 # XXX: actually should check for NOT net_server
1786 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1787 network_extralibs="-lbind -lsocket"
1788 else
1789 enable beos_netserver
1790 network_extralibs="-lnet"
1791 fi ;;
1792 sunos)
1793 FFSERVERLDFLAGS=""
1794 SHFLAGS='-shared -Wl,-h,$$(@F)'
1795 network_extralibs="-lsocket -lnsl"
1796 add_cppflags -D__EXTENSIONS__
1797 ;;
1798 netbsd)
1799 oss_indev_extralibs="-lossaudio"
1800 oss_outdev_extralibs="-lossaudio"
1801 ;;
1802 openbsd)
1803 enable malloc_aligned
1804 LIBOBJFLAGS='$(PIC)'
1805 SHFLAGS='-shared'
1806 oss_indev_extralibs="-lossaudio"
1807 oss_outdev_extralibs="-lossaudio"
1808 ;;
1809 freebsd|dragonfly)
1810 enable malloc_aligned
1811 ;;
1812 bsd/os)
1813 osextralibs="-lpoll -lgnugetopt"
1814 strip="strip -d"
1815 ;;
1816 darwin)
1817 enable malloc_aligned
1818 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1819 strip="strip -x"
1820 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1821 SLIBSUF=".dylib"
1822 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1823 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1824 FFSERVERLDFLAGS=-Wl,-bind_at_load
1825 objformat="macho"
1826 enabled x86_64 && objformat="macho64"
1827 ;;
1828 mingw32*)
1829 target_os=mingw32
1830 LIBTARGET=i386
1831 if enabled x86_64; then
1832 enable malloc_aligned
1833 LIBTARGET=x64
1834 elif enabled arm; then
1835 LIBTARGET=arm
1836 fi
1837 shlibdir_default="$bindir_default"
1838 disable ffserver
1839 SLIBPREF=""
1840 SLIBSUF=".dll"
1841 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1842 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1843 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1844 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1845 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1846 install -d "$(LIBDIR)"; \
1847 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1848 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1849 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1850 objformat="win32"
1851 enable dos_paths
1852 check_cflags -fno-common
1853 if ! enabled x86_64; then
1854 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1855 die "ERROR: MinGW runtime version must be >= 3.15."
1856 enabled_any avisynth vfwcap_indev &&
1857 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1858 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1859 fi
1860 ;;
1861 cygwin*)
1862 target_os=cygwin
1863 shlibdir_default="$bindir_default"
1864 SLIBPREF="cyg"
1865 SLIBSUF=".dll"
1866 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1867 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1868 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1869 objformat="win32"
1870 enable dos_paths
1871 check_cflags -fno-common
1872 ;;
1873 *-dos|freedos|opendos)
1874 disable ffplay ffserver
1875 disable $INDEV_LIST $OUTDEV_LIST
1876 network_extralibs="-lsocket"
1877 objformat="coff"
1878 enable dos_paths
1879 ;;
1880 linux)
1881 enable dv1394
1882 ;;
1883 irix*)
1884 target_os=irix
1885 ranlib="echo ignoring ranlib"
1886 ;;
1887 os/2*)
1888 strip="lxlite"
1889 ln_s="cp -f"
1890 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1891 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1892 FFSERVERLDFLAGS=""
1893 LIBSUF="_s.a"
1894 SLIBPREF=""
1895 SLIBSUF=".dll"
1896 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1897 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1898 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1899 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1900 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1901 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1902 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1903 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1904 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1905 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1906 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1907 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1908 enable dos_paths
1909 ;;
1910 gnu/kfreebsd)
1911 ;;
1912 gnu)
1913 ;;
1914
1915 *)
1916 die "Unknown OS '$target_os'."
1917 ;;
1918 esac
1919
1920 set_default $PATHS_LIST
1921
1922 add_extralibs $osextralibs
1923
1924 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1925 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1926
1927 # we need to build at least one lib type
1928 if ! enabled_any static shared; then
1929 cat <<EOF
1930 At least one library type must be built.
1931 Specify --enable-static to build the static libraries or --enable-shared to
1932 build the shared libraries as well. To only build the shared libraries specify
1933 --disable-static in addition to --enable-shared.
1934 EOF
1935 exit 1;
1936 fi
1937
1938 disabled static && LIBNAME=""
1939
1940 if enabled_any libfaad libfaadbin ; then
1941 if check_header faad.h; then
1942 check_cc <<EOF
1943 #include <faad.h>
1944 #ifndef FAAD2_VERSION
1945 ok faad1
1946 #endif
1947 int main(void) { return 0; }
1948 EOF
1949 test $? = 0 && enable libfaad2
1950 else
1951 die "FAAD test failed."
1952 fi
1953 fi
1954
1955
1956 die_license_disabled() {
1957 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1958 }
1959
1960 die_license_disabled gpl libfaad2
1961 die_license_disabled gpl libx264
1962 die_license_disabled gpl libxvid
1963 die_license_disabled gpl postproc
1964 die_license_disabled gpl x11grab
1965
1966 die_license_disabled nonfree libfaac
1967
1968 die_license_disabled version3 libopencore_amrnb
1969 die_license_disabled version3 libopencore_amrwb
1970
1971 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1972
1973 check_deps $ARCH_EXT_LIST
1974
1975 #Darwin CC versions
1976 if test $target_os = darwin; then
1977 if enabled xlc; then
1978 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1979 else
1980 add_cflags -pipe
1981 check_cflags -force_cpusubtype_ALL
1982 check_cflags -Wno-sign-compare
1983 enabled shared || check_cflags -mdynamic-no-pic
1984 fi
1985 fi
1986
1987 disabled optimizations || check_cflags -fomit-frame-pointer
1988
1989 check_cc <<EOF || die "Symbol mangling check failed."
1990 int ff_extern;
1991 EOF
1992 sym=$($nm -P -g $TMPO | grep ff_extern)
1993 extern_prefix=${sym%%ff_extern*}
1994
1995 check_cc <<EOF && enable inline_asm
1996 void foo(void) { __asm__ volatile ("" ::); }
1997 EOF
1998
1999 if enabled x86; then
2000 # check whether EBP is available on x86
2001 # As 'i' is stored on the stack, this program will crash
2002 # if the base pointer is used to access it because the
2003 # base pointer is cleared in the inline assembly code.
2004 check_exec_crash <<EOF && enable ebp_available
2005 volatile int i=0;
2006 __asm__ volatile (
2007 "xorl %%ebp, %%ebp"
2008 ::: "%ebp");
2009 return i;
2010 EOF
2011
2012 # check wether EBX is available on x86
2013 check_asm ebx_available '"":::"%ebx"'
2014
2015 # check whether more than 10 operands are supported
2016 check_cc <<EOF && enable ten_operands
2017 int main(void) {
2018 int x=0;
2019 __asm__ volatile(
2020 ""
2021 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2022 );
2023 return 0;
2024 }
2025 EOF
2026
2027 # check whether binutils is new enough to compile SSSE3/MMX2
2028 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2029 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2030
2031 check_asm bswap '"bswap %%eax" ::: "%eax"'
2032
2033 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2034 enabled x86_64 && append YASMFLAGS "-m amd64"
2035 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2036 case "$objformat" in
2037 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2038 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2039 *) append YASMFLAGS "-DPREFIX" ;;
2040 esac
2041 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2042 fi
2043
2044 # check for assembler specific support
2045
2046 enabled arm && check_ld <<EOF && enable vfp_args
2047 __asm__ (".eabi_attribute 28, 1");
2048 int main(void) { return 0; }
2049 EOF
2050
2051 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2052
2053 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2054 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2055 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2056
2057 # check for SIMD availability
2058
2059 # AltiVec flags: The FSF version of GCC differs from the Apple version
2060 if enabled altivec; then
2061 check_cflags -maltivec -mabi=altivec &&
2062 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2063 check_cflags -faltivec
2064
2065 # check if our compiler supports Motorola AltiVec C API
2066 check_cc <<EOF || disable altivec
2067 $inc_altivec_h
2068 int main(void) {
2069 vector signed int v1, v2, v3;
2070 v1 = vec_add(v2,v3);
2071 return 0;
2072 }
2073 EOF
2074
2075 # check if our compiler supports braces for vector declarations
2076 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2077 $inc_altivec_h
2078 int main (void) { (vector int) {1}; return 0; }
2079 EOF
2080 fi
2081
2082 # We have to check if pld is a nop and disable it.
2083 enabled arm && check_asm pld '"pld [r0]"'
2084 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2085 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2086 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2087 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2088 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2089 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2090 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2091 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2092
2093 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2094
2095 check_cc <<EOF || die "endian test failed"
2096 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2097 EOF
2098 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2099
2100 if check_func dlopen; then
2101 ldl=
2102 elif check_func dlopen -ldl; then
2103 ldl=-ldl
2104 fi
2105
2106 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2107 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2108
2109 check_func fork
2110 check_func gethrtime
2111 check_func getrusage
2112 check_func inet_aton $network_extralibs
2113 check_func memalign
2114 check_func mkstemp
2115 check_func posix_memalign
2116 check_func_headers io.h setmode
2117 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2118 check_func_headers windows.h GetProcessTimes
2119 check_func_headers windows.h VirtualAlloc
2120
2121 check_header conio.h
2122 check_header dlfcn.h
2123 check_header malloc.h
2124 check_header poll.h
2125 check_header sys/mman.h
2126 check_header sys/resource.h
2127 check_header sys/select.h
2128 check_header termios.h
2129 check_header vdpau/vdpau.h
2130 check_header vdpau/vdpau_x11.h
2131 check_header X11/extensions/XvMClib.h
2132
2133 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2134 enabled_any $need_memalign ; then
2135 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2136 fi
2137
2138 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2139 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2140
2141 # check for some common methods of building with pthread support
2142 # do this before the optional library checks as some of them require pthreads
2143 if enabled pthreads; then
2144 if check_func pthread_create; then
2145 :
2146 elif check_func pthread_create -pthread; then
2147 add_cflags -pthread
2148 add_extralibs -pthread
2149 elif check_func pthread_create -pthreads; then
2150 add_cflags -pthreads
2151 add_extralibs -pthreads
2152 elif check_func pthread_create -lpthreadGC2; then
2153 add_extralibs -lpthreadGC2
2154 elif ! check_lib pthread.h pthread_create -lpthread; then
2155 die "ERROR: can't find pthreads library"
2156 fi
2157 fi
2158
2159 for thread in $THREADS_LIST; do
2160 if enabled $thread; then
2161 test -n "$thread_type" &&
2162 die "ERROR: Only one thread type must be selected." ||
2163 thread_type="$thread"
2164 fi
2165 done
2166
2167 check_lib math.h sin -lm
2168 check_lib va/va.h vaInitialize -lva
2169
2170 check_func llrint
2171 check_func log2
2172 check_func lrint
2173 check_func lrintf
2174 check_func round
2175 check_func roundf
2176 check_func truncf
2177
2178 # these are off by default, so fail if requested and not available
2179 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2180 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2181 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2182 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2183 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2184 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2185 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2186 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2187 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2188 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2189 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2190 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2191 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2192 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2193 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2194 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2195 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2196 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2197 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2198 die "ERROR: libx264 version must be >= 0.65."; }
2199 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2200 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2201
2202 # libdc1394 check
2203 if enabled libdc1394; then
2204 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2205 enable libdc1394_2; } ||
2206 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2207 enable libdc1394_1; } ||
2208 die "ERROR: No version of libdc1394 found "
2209 fi
2210
2211
2212 _restrict=
2213 for restrict_keyword in restrict __restrict__ __restrict; do
2214 check_cc <<EOF && _restrict=$restrict_keyword && break
2215 void foo(char * $restrict_keyword p);
2216 EOF
2217 done
2218
2219 check_cc <<EOF && enable attribute_packed
2220 struct { int x; } __attribute__((packed)) x;
2221 EOF
2222
2223 disable sdl_too_old
2224 disable sdl
2225 SDL_CONFIG="${cross_prefix}sdl-config"
2226 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2227 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2228 temp_cflags $sdl_cflags
2229 temp_extralibs $("${SDL_CONFIG}" --libs)
2230 if check_lib2 SDL.h SDL_Init; then
2231 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2232 if test "$_sdlversion" -lt 121 ; then
2233 enable sdl_too_old
2234 else
2235 enable sdl
2236 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2237 #include <SDL.h>
2238 int main(int argc, char **argv){
2239 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2240 int w = vi->current_w;
2241 return 0;
2242 }
2243 EOF
2244 fi
2245 fi
2246 restore_flags
2247 fi
2248
2249 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2250
2251 if enabled network; then
2252 check_type "sys/types.h sys/socket.h" socklen_t
2253 # Prefer arpa/inet.h over winsock2
2254 if check_header arpa/inet.h ; then
2255 check_func closesocket
2256 elif check_header winsock2.h ; then
2257 check_func_headers winsock2.h closesocket -lws2 && \
2258 network_extralibs="-lws2" || \
2259 { check_func_headers winsock2.h closesocket -lws2_32 && \
2260 network_extralibs="-lws2_32"; }
2261 check_type ws2tcpip.h socklen_t
2262 else
2263 disable network
2264 fi
2265 fi
2266
2267 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2268 #include <sys/types.h>
2269 #include <sys/socket.h>
2270 #include <netinet/in.h>
2271 #include <netdb.h>
2272 int main(void) {
2273 struct sockaddr_storage saddr;
2274 struct ipv6_mreq mreq6;
2275 getaddrinfo(0,0,0,0);
2276 getnameinfo(0,0,0,0,0,0,0);
2277 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2278 }
2279 EOF
2280
2281 check_header linux/videodev.h
2282 check_header linux/videodev2.h
2283 check_header sys/videoio.h
2284
2285 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2286
2287 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2288 { check_header dev/bktr/ioctl_meteor.h &&
2289 check_header dev/bktr/ioctl_bt848.h; } ||
2290 { check_header machine/ioctl_meteor.h &&
2291 check_header machine/ioctl_bt848.h; } ||
2292 { check_header dev/video/meteor/ioctl_meteor.h &&
2293 check_header dev/video/bktr/ioctl_bt848.h; } ||
2294 check_header dev/ic/bt8xx.h
2295
2296 check_header sys/soundcard.h
2297 check_header soundcard.h
2298
2299 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2300
2301 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2302
2303 enabled x11grab &&
2304 check_header X11/Xlib.h &&
2305 check_header X11/extensions/XShm.h &&
2306 check_func XOpenDisplay -lX11 &&
2307 check_func XShmCreateImage -lX11 -lXext
2308
2309 enabled debug && add_cflags -g"$debuglevel"
2310
2311 # add some useful compiler flags if supported
2312 check_cflags -Wdeclaration-after-statement
2313 check_cflags -Wall
2314 check_cflags -Wno-switch
2315 check_cflags -Wdisabled-optimization
2316 check_cflags -Wpointer-arith
2317 check_cflags -Wredundant-decls
2318 check_cflags -Wno-pointer-sign
2319 check_cflags -Wcast-qual
2320 check_cflags -Wwrite-strings
2321 check_cflags -Wtype-limits
2322 check_cflags -Wundef
2323 enabled extra_warnings && check_cflags -Winline
2324
2325 # add some linker flags
2326 check_ldflags -Wl,--warn-common
2327 check_ldflags -Wl,--as-needed
2328 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'
2329 check_ldflags -Wl,-Bsymbolic
2330
2331 if enabled small; then
2332 check_cflags -Os # not all compilers support -Os
2333 optimizations="small"
2334 elif enabled optimizations; then
2335 if enabled xlc; then
2336 add_cflags -O5
2337 add_ldflags -O5
2338 elif enabled ccc; then
2339 add_cflags -fast
2340 else
2341 add_cflags -O3
2342 fi
2343 fi
2344 check_cflags -fno-math-errno
2345 check_cflags -fno-signed-zeros
2346
2347 if enabled icc; then
2348 # Just warnings, no remarks
2349 check_cflags -w1
2350 # -wd: Disable following warnings
2351 # 144, 167, 556: -Wno-pointer-sign
2352 # 10006: ignoring unknown option -fno-signed-zeros
2353 # 10156: ignoring option '-W'; no argument required
2354 check_cflags -wd144,167,556,10006,10156
2355 # 11030: Warning unknown option --as-needed
2356 # 10156: ignoring option '-export'; no argument required
2357 check_ldflags -wd10156,11030
2358 # Allow to compile with optimizations
2359 check_ldflags -march=$cpu
2360 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2361 enable ebp_available
2362 elif enabled ccc; then
2363 # disable some annoying warnings
2364 add_cflags -msg_disable cvtu32to64
2365 add_cflags -msg_disable embedcomment
2366 add_cflags -msg_disable needconstext
2367 add_cflags -msg_disable nomainieee
2368 add_cflags -msg_disable ptrmismatch1
2369 add_cflags -msg_disable unreachcode
2370 elif enabled gcc; then
2371 check_cflags -fno-tree-vectorize
2372 fi
2373
2374 # PIC flags for shared library objects where they are needed
2375 if enabled shared; then
2376 # LIBOBJFLAGS may have already been set in the OS configuration
2377 if test -z "$LIBOBJFLAGS" ; then
2378 case "${subarch-$arch}" in
2379 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2380 esac
2381 fi
2382 fi
2383
2384 if enabled gprof; then
2385 add_cflags -p
2386 add_ldflags -p
2387 fi
2388
2389 # Find out if the .align argument is a power of two or not.
2390 check_asm asmalign_pot '".align 3"'
2391
2392 enabled_any $DECODER_LIST && enable decoders
2393 enabled_any $ENCODER_LIST && enable encoders
2394 enabled_any $HWACCEL_LIST && enable hwaccels
2395 enabled_any $BSF_LIST && enable bsfs
2396 enabled_any $DEMUXER_LIST && enable demuxers
2397 enabled_any $MUXER_LIST && enable muxers
2398 enabled_any $FILTER_LIST && enable filters
2399 enabled_any $INDEV_LIST && enable indevs
2400 enabled_any $OUTDEV_LIST && enable outdevs
2401 enabled_any $PROTOCOL_LIST && enable protocols
2402
2403 enabled_any $THREADS_LIST && enable threads
2404
2405 check_deps $CONFIG_LIST \
2406 $CONFIG_EXTRA \
2407 $HAVE_LIST \
2408 $DECODER_LIST \
2409 $ENCODER_LIST \
2410 $HWACCEL_LIST \
2411 $PARSER_LIST \
2412 $BSF_LIST \
2413 $DEMUXER_LIST \
2414 $MUXER_LIST \
2415 $FILTER_LIST \
2416 $INDEV_LIST \
2417 $OUTDEV_LIST \
2418 $PROTOCOL_LIST \
2419
2420 echo "install prefix $prefix"
2421 echo "source path $source_path"
2422 echo "C compiler $cc"
2423 echo ".align is power-of-two $asmalign_pot"
2424 echo "ARCH $arch ($cpu)"
2425 if test "$build_suffix" != ""; then
2426 echo "build suffix $build_suffix"
2427 fi
2428 if test "$extra_version" != ""; then
2429 echo "version string suffix $extra_version"
2430 fi
2431 echo "big-endian ${bigendian-no}"
2432 echo "runtime cpu detection ${runtime_cpudetect-no}"
2433 if enabled x86; then
2434 echo "yasm ${yasm-no}"
2435 echo "MMX enabled ${mmx-no}"
2436 echo "MMX2 enabled ${mmx2-no}"
2437 echo "3DNow! enabled ${amd3dnow-no}"
2438 echo "3DNow! extended enabled ${amd3dnowext-no}"
2439 echo "SSE enabled ${sse-no}"
2440 echo "SSSE3 enabled ${ssse3-no}"
2441 echo "CMOV enabled ${cmov-no}"
2442 echo "CMOV is fast ${fast_cmov-no}"
2443 echo "EBX available ${ebx_available-no}"
2444 echo "EBP available ${ebp_available-no}"
2445 echo "10 operands supported ${ten_operands-no}"
2446 fi
2447 if enabled arm; then
2448 echo "ARMv5TE enabled ${armv5te-no}"
2449 echo "ARMv6 enabled ${armv6-no}"
2450 echo "ARMv6T2 enabled ${armv6t2-no}"
2451 echo "ARM VFP enabled ${armvfp-no}"
2452 echo "IWMMXT enabled ${iwmmxt-no}"
2453 echo "NEON enabled ${neon-no}"
2454 fi
2455 if enabled mips; then
2456 echo "MMI enabled ${mmi-no}"
2457 fi
2458 if enabled ppc; then
2459 echo "AltiVec enabled ${altivec-no}"
2460 echo "PPC 4xx optimizations ${ppc4xx-no}"
2461 echo "dcbzl available ${dcbzl-no}"
2462 echo "performance report ${powerpc_perf-no}"
2463 fi
2464 if enabled sparc; then
2465 echo "VIS enabled ${vis-no}"
2466 fi
2467 echo "gprof enabled ${gprof-no}"
2468 echo "debug symbols ${debug-no}"
2469 echo "strip symbols ${stripping-no}"
2470 echo "optimizations ${optimizations-no}"
2471 echo "static ${static-no}"
2472 echo "shared ${shared-no}"
2473 echo "postprocessing support ${postproc-no}"
2474 echo "new filter support ${avfilter-no}"
2475 echo "filters using lavformat ${avfilter_lavf-no}"
2476 echo "network support ${network-no}"
2477 if enabled network; then
2478 echo "IPv6 support ${ipv6-no}"
2479 fi
2480 echo "threading support ${thread_type-no}"
2481 echo "SDL support ${sdl-no}"
2482 if enabled sdl_too_old; then
2483 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2484 fi
2485 echo "Sun medialib support ${mlib-no}"
2486 echo "AVISynth enabled ${avisynth-no}"
2487 echo "libdc1394 support ${libdc1394-no}"
2488 echo "libdirac enabled ${libdirac-no}"
2489 echo "libfaac enabled ${libfaac-no}"
2490 echo "libfaad enabled ${libfaad-no}"
2491 echo "libfaad dlopened ${libfaadbin-no}"
2492 echo "libgsm enabled ${libgsm-no}"
2493 echo "libmp3lame enabled ${libmp3lame-no}"
2494 echo "libnut enabled ${libnut-no}"
2495 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2496 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2497 echo "libopenjpeg enabled ${libopenjpeg-no}"
2498 echo "libschroedinger enabled ${libschroedinger-no}"
2499 echo "libspeex enabled ${libspeex-no}"
2500 echo "libtheora enabled ${libtheora-no}"
2501 echo "libvorbis enabled ${libvorbis-no}"
2502 echo "libx264 enabled ${libx264-no}"
2503 echo "libxvid enabled ${libxvid-no}"
2504 echo "zlib enabled ${zlib-no}"
2505 echo "bzlib enabled ${bzlib-no}"
2506 echo
2507
2508 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2509 echo "Enabled ${type}s:"
2510 eval list=\$$(toupper $type)_LIST
2511 for part in $list; do
2512 enabled $part && echo ${part%_*}
2513 done | sort | pr -3 -t
2514 echo
2515 done
2516
2517 license="LGPL version 2.1 or later"
2518 if enabled nonfree; then
2519 license="nonfree and unredistributable"
2520 elif enabled gplv3; then
2521 license="GPL version 3 or later"
2522 elif enabled lgplv3; then
2523 license="LGPL version 3 or later"
2524 elif enabled gpl; then
2525 license="GPL version 2 or later"
2526 fi
2527
2528 echo "License: $license"
2529
2530 echo "Creating config.mak and config.h..."
2531
2532 echo "# Automatically generated by configure - do not modify!" > config.mak
2533 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2534 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2535 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2536 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2537 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2538
2539 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2540 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2541
2542 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2543 echo "prefix=$prefix" >> config.mak
2544 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2545 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2546 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2547 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2548 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2549 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2550 echo "SRC_PATH=\"$source_path\"" >> config.mak
2551 echo "SRC_PATH_BARE=$source_path" >> config.mak
2552 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2553 echo "CC=$cc" >> config.mak
2554 echo "AS=$as" >> config.mak
2555 echo "LD=$ld" >> config.mak
2556 echo "DEPCC=$dep_cc" >> config.mak
2557 echo "YASM=$yasmexe" >> config.mak
2558 echo "AR=$ar" >> config.mak
2559 echo "RANLIB=$ranlib" >> config.mak
2560 echo "LN_S=$ln_s" >> config.mak
2561 enabled stripping &&
2562 echo "STRIP=$strip" >> config.mak ||
2563 echo "STRIP=echo ignoring strip" >> config.mak
2564
2565 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2566 echo "CFLAGS=$CFLAGS" >> config.mak
2567 echo "ASFLAGS=$ASFLAGS" >> config.mak
2568 echo "CC_O=$CC_O" >> config.mak
2569 echo "LDFLAGS=$LDFLAGS" >> config.mak
2570 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2571 echo "SHFLAGS=$SHFLAGS" >> config.mak
2572 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2573 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2574 echo "BUILD_STATIC=$static" >> config.mak
2575 echo "BUILDSUF=$build_suffix" >> config.mak
2576 echo "FULLNAME=$FULLNAME" >> config.mak
2577 echo "LIBPREF=$LIBPREF" >> config.mak
2578 echo "LIBSUF=$LIBSUF" >> config.mak
2579 echo "LIBNAME=$LIBNAME" >> config.mak
2580 echo "SLIBPREF=$SLIBPREF" >> config.mak
2581 echo "SLIBSUF=$SLIBSUF" >> config.mak
2582 echo "EXESUF=$EXESUF" >> config.mak
2583 echo "EXTRA_VERSION=$extra_version" >> config.mak
2584 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2585 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2586 echo "HOSTCC=$host_cc" >> config.mak
2587 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2588 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2589 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2590 echo "HOSTLIBS=$host_libs" >> config.mak
2591 echo "TARGET_EXEC=$target_exec" >> config.mak
2592 echo "TARGET_PATH=$target_path" >> config.mak
2593
2594 if enabled bigendian; then
2595 echo "WORDS_BIGENDIAN=yes" >> config.mak
2596 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2597 fi
2598
2599 if enabled sdl; then
2600 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2601 echo "SDL_CFLAGS=$("${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 "BUILD_SHARED=yes" >> config.mak
2627 echo "PIC=-fPIC -DPIC" >> config.mak
2628 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2629 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2630 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2631 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2632 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2633 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2634 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2635 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2636 fi
2637 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2638 echo "EXTRALIBS=$extralibs" >> config.mak
2639
2640 echo "ARCH=$arch" >> config.mak
2641
2642 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2643 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2644 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2645 $CONFIG_EXTRA \
2646 $DECODER_LIST \
2647 $ENCODER_LIST \
2648 $HWACCEL_LIST \
2649 $PARSER_LIST \
2650 $BSF_LIST \
2651 $DEMUXER_LIST \
2652 $MUXER_LIST \
2653 $FILTER_LIST \
2654 $PROTOCOL_LIST \
2655 $INDEV_LIST \
2656 $OUTDEV_LIST \
2657
2658 echo "#define restrict $_restrict" >> $TMPH
2659
2660 if enabled small; then
2661 echo "#define av_always_inline" >> $TMPH
2662 fi
2663
2664
2665 # Apparently it's not possible to portably echo a backslash.
2666 enabled asmalign_pot &&
2667 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2668 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2669
2670 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2671
2672 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2673 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2674
2675 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2676 cmp -s $TMPH config.h &&
2677 echo "config.h is unchanged" ||
2678 mv -f $TMPH config.h
2679
2680 # build tree in object directory if source path is different from current one
2681 if enabled source_path_used; then
2682 DIRS="\
2683 doc \
2684 libavcodec \
2685 libavcodec/alpha \
2686 libavcodec/arm \
2687 libavcodec/bfin \
2688 libavcodec/mlib \
2689 libavcodec/ppc \
2690 libavcodec/sh4 \
2691 libavcodec/sparc \
2692 libavcodec/x86 \
2693 libavdevice \
2694 libavfilter \
2695 libavformat \
2696 libavutil \
2697 libpostproc \
2698 libswscale \
2699 libswscale/bfin \
2700 libswscale/mlib \
2701 libswscale/ppc \
2702 libswscale/sparc \
2703 libswscale/x86 \
2704 tests \
2705 tools \
2706 "
2707 FILES="\
2708 Makefile \
2709 common.mak \
2710 subdir.mak \
2711 doc/texi2pod.pl \
2712 libavcodec/Makefile \
2713 libavdevice/Makefile \
2714 libavfilter/Makefile \
2715 libavformat/Makefile \
2716 libavutil/Makefile \
2717 libpostproc/Makefile \
2718 libswscale/Makefile \
2719 "
2720 for dir in $DIRS ; do
2721 mkdir -p $dir
2722 done
2723 for f in $FILES ; do
2724 $ln_s "$source_path/$f" $f
2725 done
2726 fi
2727
2728
2729 # build pkg-config files
2730
2731 pkgconfig_generate(){
2732 name=$1
2733 shortname=${name#lib}${build_suffix}
2734 comment=$2
2735 version=$3
2736 libs=$4
2737 requires=$5
2738 cat <<EOF > $name/$name.pc
2739 prefix=$prefix
2740 exec_prefix=\${prefix}
2741 libdir=$libdir
2742 includedir=$incdir
2743
2744 Name: $name
2745 Description: $comment
2746 Version: $version
2747 Requires: $(disabled shared && echo $requires)
2748 Requires.private: $(enabled shared && echo $requires)
2749 Conflicts:
2750 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2751 Libs.private: $(enabled shared && echo $libs)
2752 Cflags: -I\${includedir}
2753 EOF
2754 cat <<EOF > $name/$name-uninstalled.pc
2755 prefix=
2756 exec_prefix=
2757 libdir=\${pcfiledir}
2758 includedir=${source_path}
2759
2760 Name: $name
2761 Description: $comment
2762 Version: $version
2763 Requires: $requires
2764 Conflicts:
2765 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2766 Cflags: -I\${includedir}
2767 EOF
2768 }
2769
2770 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2771 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2772 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2773 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2774 enabled avfilter &&
2775 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2776 enabled postproc &&
2777 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2778 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"