win32, dos: Work around a bug in the GNU toolchain.
[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-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
83 echo " --enable-postproc enable GPLed postprocessing support [no]"
84 echo " --enable-avfilter video filter support [no]"
85 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
86 echo " --enable-beosthreads use BeOS threads [no]"
87 echo " --enable-os2threads use OS/2 threads [no]"
88 echo " --enable-pthreads use pthreads [no]"
89 echo " --enable-w32threads use Win32 threads [no]"
90 echo " --enable-x11grab enable X11 grabbing [no]"
91 echo " --disable-network disable network support [no]"
92 echo " --disable-ipv6 disable IPv6 support [no]"
93 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
94 echo " --enable-gray enable full grayscale support (slower color)"
95 echo " --disable-swscale-alpha disable alpha channel support in swscale"
96 echo " --disable-fastdiv disable table-based division"
97 echo " --enable-small optimize for size instead of speed"
98 echo " --disable-aandct disable AAN DCT code"
99 echo " --disable-fft disable FFT code"
100 echo " --disable-golomb disable Golomb code"
101 echo " --disable-mdct disable MDCT code"
102 echo " --disable-rdft disable RDFT code"
103 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
104 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
105 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
106 echo " --enable-beos-netserver enable BeOS netserver"
107 echo " --disable-encoder=NAME disable encoder NAME"
108 echo " --enable-encoder=NAME enable encoder NAME"
109 echo " --disable-encoders disable all encoders"
110 echo " --disable-decoder=NAME disable decoder NAME"
111 echo " --enable-decoder=NAME enable decoder NAME"
112 echo " --disable-decoders disable all decoders"
113 echo " --disable-hwaccel=NAME disable hwaccel NAME"
114 echo " --enable-hwaccel=NAME enable hwaccel NAME"
115 echo " --disable-hwaccels disable all hwaccels"
116 echo " --disable-muxer=NAME disable muxer NAME"
117 echo " --enable-muxer=NAME enable muxer NAME"
118 echo " --disable-muxers disable all muxers"
119 echo " --disable-demuxer=NAME disable demuxer NAME"
120 echo " --enable-demuxer=NAME enable demuxer NAME"
121 echo " --disable-demuxers disable all demuxers"
122 echo " --enable-parser=NAME enable parser NAME"
123 echo " --disable-parser=NAME disable parser NAME"
124 echo " --disable-parsers disable all parsers"
125 echo " --enable-bsf=NAME enable bitstream filter NAME"
126 echo " --disable-bsf=NAME disable bitstream filter NAME"
127 echo " --disable-bsfs disable all bitstream filters"
128 echo " --enable-protocol=NAME enable protocol NAME"
129 echo " --disable-protocol=NAME disable protocol NAME"
130 echo " --disable-protocols disable all protocols"
131 echo " --disable-indevs disable input devices"
132 echo " --disable-outdevs disable output devices"
133 echo " --disable-devices disable all devices"
134 echo " --enable-filter=NAME enable filter NAME"
135 echo " --disable-filter=NAME disable filter NAME"
136 echo " --disable-filters disable all filters"
137 echo " --list-decoders show all available decoders"
138 echo " --list-encoders show all available encoders"
139 echo " --list-hwaccels show all available hardware accelerators"
140 echo " --list-muxers show all available muxers"
141 echo " --list-demuxers show all available demuxers"
142 echo " --list-parsers show all available parsers"
143 echo " --list-protocols show all available protocols"
144 echo " --list-bsfs show all available bitstream filters"
145 echo " --list-indevs show all available input devices"
146 echo " --list-outdevs show all available output devices"
147 echo " --list-filters show all available filters"
148 echo
149 echo "External library support:"
150 echo " --enable-avisynth enable reading of AVISynth script files [no]"
151 echo " --enable-bzlib enable bzlib [autodetect]"
152 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
153 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
154 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
155 echo " and libraw1394 [no]"
156 echo " --enable-libdirac enable Dirac support via libdirac [no]"
157 echo " --enable-libfaac enable FAAC support via libfaac [no]"
158 echo " --enable-libfaad enable FAAD support via libfaad [no]"
159 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
160 echo " --enable-libgsm enable GSM support via libgsm [no]"
161 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
162 echo " --enable-libnut enable NUT (de)muxing via libnut,"
163 echo " native (de)muxer exists [no]"
164 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
165 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
166 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
167 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
168 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
169 echo " native implementation exists [no]"
170 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
171 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
172 echo " native MPEG-4/Xvid encoder exists [no]"
173 echo " --enable-mlib enable Sun medialib [no]"
174 echo " --enable-zlib enable zlib [autodetect]"
175 echo ""
176 echo "Advanced options (experts only):"
177 echo " --source-path=PATH path to source code [$source_path]"
178 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
179 echo " --enable-cross-compile assume a cross-compiler is used"
180 echo " --sysroot=PATH root of cross-build tree"
181 echo " --sysinclude=PATH location of cross-build system headers"
182 echo " --target-os=OS compiler targets OS [$target_os]"
183 echo " --target-exec=CMD command to run executables on target"
184 echo " --target-path=DIR path to view of build directory on target"
185 echo " --nm=NM use nm tool"
186 echo " --as=AS use assembler AS [$as_default]"
187 echo " --cc=CC use C compiler CC [$cc_default]"
188 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
189 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
190 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
191 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
192 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
193 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
194 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
195 echo " --extra-version=STRING version string suffix []"
196 echo " --build-suffix=SUFFIX library name suffix []"
197 echo " --arch=ARCH select architecture [$arch]"
198 echo " --cpu=CPU select the minimum required CPU (affects"
199 echo " instruction selection, may crash on older CPUs)"
200 echo " --enable-powerpc-perf enable performance report on PPC"
201 echo " (requires enabling PMC)"
202 echo " --disable-altivec disable AltiVec optimizations"
203 echo " --disable-amd3dnow disable 3DNow! optimizations"
204 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
205 echo " --disable-mmx disable MMX optimizations"
206 echo " --disable-mmx2 disable MMX2 optimizations"
207 echo " --disable-sse disable SSE optimizations"
208 echo " --disable-ssse3 disable SSSE3 optimizations"
209 echo " --disable-armv5te disable armv5te optimizations"
210 echo " --disable-armv6 disable armv6 optimizations"
211 echo " --disable-armv6t2 disable armv6t2 optimizations"
212 echo " --disable-armvfp disable ARM VFP optimizations"
213 echo " --disable-iwmmxt disable iwmmxt optimizations"
214 echo " --disable-mmi disable MMI optimizations"
215 echo " --disable-neon disable neon optimizations"
216 echo " --disable-vis disable VIS optimizations"
217 echo " --disable-yasm disable use of yasm assembler"
218 echo
219 echo "Developer options (useful when working on FFmpeg itself):"
220 echo " --disable-debug disable debugging symbols"
221 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
222 echo " --enable-gprof enable profiling with gprof [$gprof]"
223 echo " --disable-optimizations disable compiler optimizations"
224 echo " --enable-extra-warnings enable more compiler warnings"
225 echo " --disable-stripping disable stripping of executables and shared libraries"
226 echo ""
227 echo "NOTE: Object files are built at the place where configure is launched."
228 exit 0
229 }
230
231 log(){
232 echo "$@" >> $logfile
233 }
234
235 log_file(){
236 log BEGIN $1
237 pr -n -t $1 >> $logfile
238 log END $1
239 }
240
241 echolog(){
242 log "$@"
243 echo "$@"
244 }
245
246 die(){
247 echolog "$@"
248 cat <<EOF
249
250 If you think configure made a mistake, make sure you are using the latest
251 version from SVN. If the latest version fails, report the problem to the
252 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
253 EOF
254 if disabled logging; then
255 cat <<EOF
256 Rerun configure with logging enabled (do not use --disable-logging), and
257 include the log this produces with your report.
258 EOF
259 else
260 cat <<EOF
261 Include the log file "$logfile" produced by configure as this will help
262 solving the problem.
263 EOF
264 fi
265 exit 1
266 }
267
268 # Avoid locale weirdness, besides we really just want to translate ASCII.
269 toupper(){
270 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
271 }
272
273 tolower(){
274 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
275 }
276
277 c_escape(){
278 echo "$*" | sed 's/["\\]/\\\0/g'
279 }
280
281 set_all(){
282 value=$1
283 shift
284 for var in $*; do
285 eval $var=$value
286 done
287 }
288
289 set_weak(){
290 value=$1
291 shift
292 for var; do
293 eval : \${$var:=$value}
294 done
295 }
296
297 pushvar(){
298 for var in $*; do
299 eval level=\${${var}_level:=0}
300 eval ${var}_${level}="\$$var"
301 eval ${var}_level=$(($level+1))
302 done
303 }
304
305 popvar(){
306 for var in $*; do
307 eval level=\${${var}_level:-0}
308 test $level = 0 && continue
309 eval level=$(($level-1))
310 eval $var="\${${var}_${level}}"
311 eval ${var}_level=$level
312 eval unset ${var}_${level}
313 done
314 }
315
316 enable(){
317 set_all yes $*
318 }
319
320 disable(){
321 set_all no $*
322 }
323
324 enable_weak(){
325 set_weak yes $*
326 }
327
328 disable_weak(){
329 set_weak no $*
330 }
331
332 enable_safe(){
333 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
334 }
335
336 disable_safe(){
337 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
338 }
339
340 do_enable_deep(){
341 for var; do
342 enabled $var && continue
343 eval sel="\$${var}_select"
344 eval sgs="\$${var}_suggest"
345 pushvar var sgs
346 enable_deep $sel
347 popvar sgs
348 enable_deep_weak $sgs
349 popvar var
350 done
351 }
352
353 enable_deep(){
354 do_enable_deep $*
355 enable $*
356 }
357
358 enable_deep_weak(){
359 do_enable_deep $*
360 enable_weak $*
361 }
362
363 enabled(){
364 test "${1#!}" = "$1" && op== || op=!=
365 eval test "x\$${1#!}" $op "xyes"
366 }
367
368 disabled(){
369 test "${1#!}" = "$1" && op== || op=!=
370 eval test "x\$${1#!}" $op "xno"
371 }
372
373 enabled_all(){
374 for opt; do
375 enabled $opt || return 1
376 done
377 }
378
379 disabled_all(){
380 for opt; do
381 disabled $opt || return 1
382 done
383 }
384
385 enabled_any(){
386 for opt; do
387 enabled $opt && return 0
388 done
389 }
390
391 disabled_any(){
392 for opt; do
393 disabled $opt && return 0
394 done
395 return 1
396 }
397
398 set_default(){
399 for opt; do
400 eval : \${$opt:=\$${opt}_default}
401 done
402 }
403
404 is_in(){
405 value=$1
406 shift
407 for var in $*; do
408 [ $var = $value ] && return 0
409 done
410 return 1
411 }
412
413 check_deps(){
414 for cfg; do
415 cfg="${cfg#!}"
416 enabled ${cfg}_checking && die "Circular dependency for $cfg."
417 disabled ${cfg}_checking && continue
418 enable ${cfg}_checking
419
420 eval dep_all="\$${cfg}_deps"
421 eval dep_any="\$${cfg}_deps_any"
422 eval dep_sel="\$${cfg}_select"
423 eval dep_sgs="\$${cfg}_suggest"
424
425 pushvar cfg dep_all dep_any dep_sel dep_sgs
426 check_deps $dep_all $dep_any $dep_sel $dep_sgs
427 popvar cfg dep_all dep_any dep_sel dep_sgs
428
429 enabled_all $dep_all || disable $cfg
430 enabled_any $dep_any || disable $cfg
431 disabled_any $dep_sel && disable $cfg
432
433 if enabled $cfg; then
434 eval dep_extralibs="\$${cfg}_extralibs"
435 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
436 enable_deep $dep_sel
437 enable_deep_weak $dep_sgs
438 fi
439
440 disable ${cfg}_checking
441 done
442 }
443
444 print_config(){
445 pfx=$1
446 header=$2
447 makefile=$3
448 shift 3
449 for cfg; do
450 ucname="$(toupper $cfg)"
451 if enabled $cfg; then
452 echo "#define ${pfx}${ucname} 1" >> $header
453 echo "${pfx}${ucname}=yes" >> $makefile
454 else
455 echo "#define ${pfx}${ucname} 0" >> $header
456 fi
457 done
458 }
459
460 flags_saved(){
461 (: ${SAVE_CFLAGS?}) 2> /dev/null
462 }
463
464 save_flags(){
465 flags_saved && return
466 SAVE_CFLAGS="$CFLAGS"
467 SAVE_LDFLAGS="$LDFLAGS"
468 SAVE_extralibs="$extralibs"
469 }
470
471 restore_flags(){
472 flags_saved || return
473 CFLAGS="$SAVE_CFLAGS"
474 LDFLAGS="$SAVE_LDFLAGS"
475 extralibs="$SAVE_extralibs"
476 unset SAVE_CFLAGS
477 unset SAVE_LDFLAGS
478 unset SAVE_extralibs
479 }
480
481 temp_cflags(){
482 save_flags
483 CFLAGS="$CFLAGS $*"
484 }
485
486 temp_ldflags(){
487 save_flags
488 LDFLAGS="$LDFLAGS $*"
489 }
490
491 temp_extralibs(){
492 save_flags
493 extralibs="$extralibs $*"
494 }
495
496 append(){
497 var=$1
498 shift
499 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
500 eval "$var=\"\$$var $*\""
501 }
502
503 add_cflags(){
504 append CFLAGS "$@"
505 }
506
507 add_ldflags(){
508 append LDFLAGS "$@"
509 }
510
511 add_extralibs(){
512 append extralibs "$@"
513 }
514
515 check_cmd(){
516 log "$@"
517 "$@" >> $logfile 2>&1
518 }
519
520 check_cc(){
521 log check_cc "$@"
522 cat > $TMPC
523 log_file $TMPC
524 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
525 }
526
527 check_cpp(){
528 log check_cpp "$@"
529 cat > $TMPC
530 log_file $TMPC
531 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
532 }
533
534 check_as(){
535 log check_as "$@"
536 cat > $TMPC
537 log_file $TMPC
538 check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
539 }
540
541 check_asm(){
542 log check_asm "$@"
543 name="$1"
544 asm="$2"
545 shift 2
546 check_as "$@" <<EOF && enable $name || disable $name
547 void foo(void){ __asm__ volatile($asm); }
548 EOF
549 }
550
551 check_yasm(){
552 log check_yasm "$@"
553 echo "$1" > $TMPS
554 log_file $TMPS
555 shift 1
556 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
557 }
558
559 check_ld(){
560 log check_ld "$@"
561 check_cc || return
562 flags=''
563 libs=''
564 for f; do
565 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
566 done
567 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
568 }
569
570 check_cflags(){
571 log check_cflags "$@"
572 check_cc "$@" <<EOF && add_cflags "$@"
573 int x;
574 EOF
575 }
576
577 check_ldflags(){
578 log check_ldflags "$@"
579 check_ld "$@" <<EOF && add_ldflags "$@"
580 int main(void){ return 0; }
581 EOF
582 }
583
584 check_header(){
585 log check_header "$@"
586 header=$1
587 shift
588 disable_safe $header
589 check_cpp "$@" <<EOF && enable_safe $header
590 #include <$header>
591 int x;
592 EOF
593 }
594
595 check_func(){
596 log check_func "$@"
597 func=$1
598 shift
599 disable $func
600 check_ld "$@" <<EOF && enable $func
601 extern int $func();
602 int main(void){ $func(); }
603 EOF
604 }
605
606 check_func_headers(){
607 log check_func_headers "$@"
608 headers=$1
609 func=$2
610 shift 2
611 disable $func
612 incs=""
613 for hdr in $headers; do
614 incs="$incs
615 #include <$hdr>"
616 done
617 check_ld "$@" <<EOF && enable $func && enable_safe $headers
618 $incs
619 int main(int argc, char **argv){
620 (void) $func;
621 return 0;
622 }
623 EOF
624 }
625
626 check_cpp_condition(){
627 log check_cpp_condition "$@"
628 header=$1
629 condition=$2
630 check_cpp <<EOF
631 #include <$header>
632 #if !($condition)
633 #error "unsatisfied condition: $condition"
634 #endif
635 EOF
636 }
637
638 check_lib(){
639 log check_lib "$@"
640 header="$1"
641 func="$2"
642 shift 2
643 temp_extralibs "$@"
644 check_header $header && check_func $func && add_extralibs "$@"
645 err=$?
646 restore_flags
647 return $err
648 }
649
650 check_lib2(){
651 log check_lib2 "$@"
652 headers="$1"
653 func="$2"
654 shift 2
655 temp_extralibs "$@"
656 check_func_headers "$headers" $func && add_extralibs "$@"
657 err=$?
658 restore_flags
659 return $err
660 }
661
662 check_exec(){
663 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
664 }
665
666 check_exec_crash(){
667 code=$(cat)
668
669 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
670 # are safe but may not be available everywhere. Thus we use
671 # raise(SIGTERM) instead. The check is run in a subshell so we
672 # can redirect the "Terminated" message from the shell. SIGBUS
673 # is not defined by standard C so it is used conditionally.
674
675 (check_exec "$@") >> $logfile 2>&1 <<EOF
676 #include <signal.h>
677 static void sighandler(int sig){
678 raise(SIGTERM);
679 }
680 int main(void){
681 signal(SIGILL, sighandler);
682 signal(SIGFPE, sighandler);
683 signal(SIGSEGV, sighandler);
684 #ifdef SIGBUS
685 signal(SIGBUS, sighandler);
686 #endif
687 { $code }
688 }
689 EOF
690 }
691
692 check_type(){
693 log check_type "$@"
694 headers=$1
695 type=$2
696 shift 2
697 disable $type
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701 #include <$hdr>"
702 done
703 check_cc "$@" <<EOF && enable $type
704 $incs
705 $type v;
706 EOF
707 }
708
709 require(){
710 name="$1"
711 header="$2"
712 func="$3"
713 shift 3
714 check_lib $header $func "$@" || die "ERROR: $name not found"
715 }
716
717 require2(){
718 name="$1"
719 headers="$2"
720 func="$3"
721 shift 3
722 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
723 }
724
725 check_foo_config(){
726 cfg=$1
727 pkg=$2
728 header=$3
729 func=$4
730 shift 4
731 disable $cfg
732 check_cmd ${pkg}-config --version
733 err=$?
734 if test "$err" = 0; then
735 temp_cflags $(${pkg}-config --cflags)
736 temp_extralibs $(${pkg}-config --libs)
737 check_lib "$@" $header $func && enable $cfg
738 fi
739 return $err
740 }
741
742 apply(){
743 file=$1
744 shift
745 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
746 }
747
748 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
749 # system-dependent things.
750
751 COMPONENT_LIST="
752 bsfs
753 decoders
754 demuxers
755 encoders
756 filters
757 hwaccels
758 indevs
759 muxers
760 outdevs
761 parsers
762 protocols
763 "
764
765 CONFIG_LIST="
766 $COMPONENT_LIST
767 aandct
768 avfilter
769 avfilter_lavf
770 avisynth
771 beos_netserver
772 bzlib
773 fastdiv
774 ffmpeg
775 ffplay
776 ffserver
777 fft
778 golomb
779 gpl
780 gprof
781 gray
782 hardcoded_tables
783 ipv6
784 libamr_nb
785 libamr_wb
786 libdc1394
787 libdirac
788 libfaac
789 libfaad
790 libfaadbin
791 libgsm
792 libmp3lame
793 libnut
794 libopenjpeg
795 libschroedinger
796 libspeex
797 libtheora
798 libvorbis
799 libx264
800 libxvid
801 mdct
802 memalign_hack
803 mlib
804 mpegaudio_hp
805 network
806 nonfree
807 postproc
808 powerpc_perf
809 rdft
810 runtime_cpudetect
811 shared
812 small
813 static
814 swscale_alpha
815 x11grab
816 zlib
817 "
818
819 THREADS_LIST='
820 beosthreads
821 os2threads
822 pthreads
823 w32threads
824 '
825
826 ARCH_LIST='
827 alpha
828 arm
829 bfin
830 ia64
831 m68k
832 mips
833 parisc
834 ppc
835 s390
836 sh4
837 sparc
838 sparc64
839 x86
840 x86_32
841 x86_64
842 '
843
844 ARCH_EXT_LIST='
845 altivec
846 amd3dnow
847 amd3dnowext
848 armv5te
849 armv6
850 armv6t2
851 armvfp
852 iwmmxt
853 mmi
854 mmx
855 mmx2
856 neon
857 ppc4xx
858 sse
859 ssse3
860 vis
861 '
862
863 HAVE_LIST="
864 $ARCH_EXT_LIST
865 $THREADS_LIST
866 alsa_asoundlib_h
867 altivec_h
868 arpa_inet_h
869 bswap
870 closesocket
871 cmov
872 conio_h
873 dcbzl
874 dev_bktr_ioctl_bt848_h
875 dev_bktr_ioctl_meteor_h
876 dev_ic_bt8xx_h
877 dev_video_meteor_ioctl_meteor_h
878 dev_video_bktr_ioctl_bt848_h
879 dlfcn_h
880 dlopen
881 dos_paths
882 ebp_available
883 ebx_available
884 fast_64bit
885 fast_cmov
886 fast_unaligned
887 fork
888 gethrtime
889 GetProcessTimes
890 getrusage
891 inet_aton
892 inline_asm
893 libdc1394_1
894 libdc1394_2
895 llrint
896 lrint
897 lrintf
898 lzo1x_999_compress
899 machine_ioctl_bt848_h
900 machine_ioctl_meteor_h
901 malloc_h
902 memalign
903 mkstemp
904 pld
905 posix_memalign
906 ppc64
907 round
908 roundf
909 sdl
910 sdl_video_size
911 setmode
912 socklen_t
913 soundcard_h
914 poll_h
915 sys_mman_h
916 sys_resource_h
917 sys_select_h
918 sys_soundcard_h
919 sys_videoio_h
920 ten_operands
921 termios_h
922 threads
923 truncf
924 VirtualAlloc
925 winsock2_h
926 yasm
927 "
928
929 # options emitted with CONFIG_ prefix but not available on command line
930 CONFIG_EXTRA="
931 "
932
933 CMDLINE_SELECT="
934 $ARCH_EXT_LIST
935 $CONFIG_LIST
936 $THREADS_LIST
937 cross_compile
938 debug
939 extra_warnings
940 logging
941 optimizations
942 stripping
943 yasm
944 "
945
946 PATHS_LIST='
947 bindir
948 datadir
949 incdir
950 libdir
951 mandir
952 prefix
953 shlibdir
954 '
955
956 CMDLINE_SET="
957 $PATHS_LIST
958 arch
959 as
960 build_suffix
961 cc
962 cpu
963 cross_prefix
964 extra_version
965 host_cc
966 host_cflags
967 host_ldflags
968 host_libs
969 host_os
970 logfile
971 nm
972 source_path
973 sysinclude
974 sysroot
975 target_exec
976 target_os
977 target_path
978 "
979
980 # code dependency declarations
981
982 # architecture extensions
983 altivec_deps="ppc"
984 amd3dnow_deps="mmx"
985 amd3dnowext_deps="amd3dnow"
986 armv5te_deps="arm"
987 armv6_deps="arm"
988 armv6t2_deps="arm"
989 armvfp_deps="arm"
990 iwmmxt_deps="arm"
991 mmi_deps="mips"
992 mmx_deps="x86"
993 mmx2_deps="mmx"
994 neon_deps="arm"
995 ppc4xx_deps="ppc"
996 sse_deps="mmx"
997 ssse3_deps="sse"
998 vis_deps="sparc"
999
1000 # decoders / encoders / hardware accelerators
1001 aac_decoder_select="fft mdct"
1002 ac3_decoder_deps="gpl"
1003 ac3_decoder_select="fft mdct"
1004 atrac3_decoder_select="fft mdct"
1005 cavs_decoder_select="golomb"
1006 cook_decoder_select="fft mdct"
1007 cscd_decoder_suggest="zlib"
1008 dca_decoder_select="fft mdct"
1009 dnxhd_encoder_select="aandct"
1010 dxa_decoder_select="zlib"
1011 eac3_decoder_deps="gpl"
1012 eac3_decoder_select="fft mdct"
1013 eatgq_decoder_select="aandct"
1014 eatqi_decoder_select="aandct"
1015 ffv1_decoder_select="golomb"
1016 flac_decoder_select="golomb"
1017 flac_encoder_select="golomb"
1018 flashsv_decoder_select="zlib"
1019 flashsv_encoder_select="zlib"
1020 flv_encoder_select="aandct"
1021 h261_encoder_select="aandct"
1022 h263_encoder_select="aandct"
1023 h263_vaapi_hwaccel_deps="va_va_h"
1024 h263p_encoder_select="aandct"
1025 h264_decoder_select="golomb"
1026 h264_vaapi_hwaccel_deps="va_va_h"
1027 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1028 imc_decoder_select="fft mdct"
1029 jpegls_decoder_select="golomb"
1030 jpegls_encoder_select="golomb"
1031 ljpeg_encoder_select="aandct"
1032 loco_decoder_select="golomb"
1033 mjpeg_encoder_select="aandct"
1034 mpeg1video_encoder_select="aandct"
1035 mpeg2video_encoder_select="aandct"
1036 mpeg4_encoder_select="aandct"
1037 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1038 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1039 mpeg2_vaapi_hwaccel_deps="va_va_h"
1040 mpeg4_vaapi_hwaccel_deps="va_va_h"
1041 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1042 msmpeg4v1_encoder_select="aandct"
1043 msmpeg4v2_encoder_select="aandct"
1044 msmpeg4v3_encoder_select="aandct"
1045 nellymoser_decoder_select="fft mdct"
1046 nellymoser_encoder_select="fft mdct"
1047 png_decoder_select="zlib"
1048 png_encoder_select="zlib"
1049 qdm2_decoder_select="fft mdct rdft"
1050 rv10_encoder_select="aandct"
1051 rv20_encoder_select="aandct"
1052 rv30_decoder_select="golomb"
1053 rv40_decoder_select="golomb"
1054 shorten_decoder_select="golomb"
1055 sonic_decoder_select="golomb"
1056 sonic_encoder_select="golomb"
1057 sonic_ls_encoder_select="golomb"
1058 svq3_decoder_select="golomb"
1059 svq3_decoder_suggest="zlib"
1060 tiff_decoder_suggest="zlib"
1061 tiff_encoder_suggest="zlib"
1062 tscc_decoder_select="zlib"
1063 vc1_vaapi_hwaccel_deps="va_va_h"
1064 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1065 vorbis_decoder_select="fft mdct"
1066 vorbis_encoder_select="fft mdct"
1067 wmav1_decoder_select="fft mdct"
1068 wmav1_encoder_select="fft mdct"
1069 wmav2_decoder_select="fft mdct"
1070 wmav2_encoder_select="fft mdct"
1071 wmv1_encoder_select="aandct"
1072 wmv2_encoder_select="aandct"
1073 wmv3_vaapi_hwaccel_deps="va_va_h"
1074 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1075 zlib_decoder_select="zlib"
1076 zlib_encoder_select="zlib"
1077 zmbv_decoder_select="zlib"
1078 zmbv_encoder_select="zlib"
1079
1080 # external libraries
1081 libamr_nb_decoder_deps="libamr_nb"
1082 libamr_nb_encoder_deps="libamr_nb"
1083 libamr_wb_decoder_deps="libamr_wb"
1084 libamr_wb_encoder_deps="libamr_wb"
1085 libdirac_decoder_deps="libdirac !libschroedinger"
1086 libdirac_encoder_deps="libdirac"
1087 libfaac_encoder_deps="libfaac"
1088 libfaad_decoder_deps="libfaad"
1089 libfaadbin_decoder_extralibs='$ldl'
1090 libgsm_decoder_deps="libgsm"
1091 libgsm_encoder_deps="libgsm"
1092 libgsm_ms_decoder_deps="libgsm"
1093 libgsm_ms_encoder_deps="libgsm"
1094 libmp3lame_encoder_deps="libmp3lame"
1095 libopenjpeg_decoder_deps="libopenjpeg"
1096 libschroedinger_decoder_deps="libschroedinger"
1097 libschroedinger_encoder_deps="libschroedinger"
1098 libspeex_decoder_deps="libspeex"
1099 libtheora_encoder_deps="libtheora"
1100 libvorbis_encoder_deps="libvorbis"
1101 libx264_encoder_deps="libx264"
1102 libxvid_encoder_deps="libxvid"
1103
1104 # demuxers / muxers
1105 ac3_demuxer_deps="ac3_parser"
1106 alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1107 alsa_demuxer_extralibs="-lasound"
1108 alsa_muxer_deps="alsa_asoundlib_h"
1109 alsa_muxer_extralibs="-lasound"
1110 audio_beos_demuxer_deps="audio_beos"
1111 audio_beos_demuxer_extralibs="-lmedia -lbe"
1112 audio_beos_muxer_deps="audio_beos"
1113 audio_beos_muxer_extralibs="-lmedia -lbe"
1114 avisynth_demuxer_deps="avisynth"
1115 bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1116 dirac_demuxer_deps="dirac_parser"
1117 dv1394_demuxer_deps="dv1394 dv_demuxer"
1118 jack_demuxer_deps="jack_jack_h"
1119 jack_demuxer_extralibs="-ljack"
1120 libdc1394_demuxer_deps="libdc1394"
1121 libnut_demuxer_deps="libnut"
1122 libnut_muxer_deps="libnut"
1123 matroska_demuxer_suggest="zlib bzlib"
1124 mov_demuxer_suggest="zlib"
1125 mp3_demuxer_deps="mpegaudio_parser"
1126 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1127 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1128 redir_demuxer_deps="network"
1129 rtp_muxer_deps="network rtp_protocol"
1130 rtsp_demuxer_deps="sdp_demuxer"
1131 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1132 v4l_demuxer_deps="linux_videodev_h"
1133 v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1134 vfwcap_demuxer_deps="capCreateCaptureWindow"
1135 vfwcap_demuxer_extralibs="-lvfw32"
1136 x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1137 x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1138
1139 # protocols
1140 gopher_protocol_deps="network"
1141 http_protocol_deps="network"
1142 rtp_protocol_deps="udp_protocol"
1143 tcp_protocol_deps="network"
1144 udp_protocol_deps="network"
1145
1146 # filters
1147 movie_filter_deps="avfilter_lavf"
1148
1149 # programs
1150 ffplay_deps="sdl"
1151 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1152 ffserver_extralibs='$ldl'
1153
1154
1155 # default parameters
1156
1157 logfile="config.err"
1158
1159 # installation paths
1160 prefix_default="/usr/local"
1161 bindir_default='${prefix}/bin'
1162 datadir_default='${prefix}/share/ffmpeg'
1163 incdir_default='${prefix}/include'
1164 libdir_default='${prefix}/lib'
1165 mandir_default='${prefix}/share/man'
1166 shlibdir_default="$libdir_default"
1167
1168 # toolchain
1169 ar="ar"
1170 cc_default="gcc"
1171 host_cc_default="gcc"
1172 ln_s="ln -sf"
1173 nm_default="nm"
1174 objformat="elf"
1175 ranlib="ranlib"
1176 strip="strip"
1177 yasmexe="yasm"
1178
1179 # machine
1180 arch=$(uname -m)
1181 cpu="generic"
1182
1183 # OS
1184 target_os=$(tolower $(uname -s))
1185 host_os=$target_os
1186
1187 # configurable options
1188 enable debug
1189 enable fastdiv
1190 enable ffmpeg
1191 enable ffplay
1192 enable ffserver
1193 enable ipv6
1194 enable mpegaudio_hp
1195 enable network
1196 enable optimizations
1197 enable protocols
1198 enable static
1199 enable stripping
1200 enable swscale_alpha
1201
1202 # build settings
1203 add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1204 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1205 FFSERVERLDFLAGS=-Wl,-E
1206 LIBPREF="lib"
1207 LIBSUF=".a"
1208 FULLNAME='$(NAME)$(BUILDSUF)'
1209 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1210 SLIBPREF="lib"
1211 SLIBSUF=".so"
1212 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1213 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1214 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1215 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1216
1217 host_cflags='-O3 -g -Wall'
1218 host_libs='-lm'
1219
1220 target_path='.'
1221
1222 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1223 # full relative path for objects in subdirectories for non-recursive Make.
1224 DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1225
1226 # find source path
1227 source_path="$(dirname "$0")"
1228 enable source_path_used
1229 if test -z "$source_path" -o "$source_path" = "." ; then
1230 source_path="$(pwd)"
1231 disable source_path_used
1232 else
1233 source_path="$(cd "$source_path"; pwd)"
1234 echo "$source_path" | grep -q '[[:blank:]]' &&
1235 die "Out of tree builds are impossible with whitespace in source path."
1236 test -e "$source_path/config.h" &&
1237 die "Out of tree builds are impossible with config.h in source dir."
1238 fi
1239
1240 for v in "$@"; do
1241 r="${v#*=}"
1242 l="${v%$r}"
1243 test "$r" = "${r#* }" || r="'$r'"
1244 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1245 done
1246
1247 find_things(){
1248 thing=$1
1249 pattern=$2
1250 file=$source_path/$3
1251 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1252 }
1253
1254 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1255 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1256 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1257 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1258 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1259 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1260 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1261 OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1262 INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1263 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1264 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1265
1266 enable $ARCH_EXT_LIST \
1267 $DECODER_LIST \
1268 $ENCODER_LIST \
1269 $HWACCEL_LIST \
1270 $PARSER_LIST \
1271 $BSF_LIST \
1272 $DEMUXER_LIST \
1273 $MUXER_LIST \
1274 $FILTER_LIST \
1275 $PROTOCOL_LIST \
1276 $INDEV_LIST \
1277 $OUTDEV_LIST \
1278
1279 die_unknown(){
1280 echo "Unknown option \"$1\"."
1281 echo "See $0 --help for available options."
1282 exit 1
1283 }
1284
1285 show_list() {
1286 suffix=_$1
1287 shift
1288 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1289 exit 0
1290 }
1291
1292 for opt do
1293 optval="${opt#*=}"
1294 case "$opt" in
1295 --extra-cflags=*) add_cflags $optval
1296 ;;
1297 --extra-ldflags=*) add_ldflags $optval
1298 ;;
1299 --extra-libs=*) add_extralibs $optval
1300 ;;
1301 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1302 ;;
1303 --enable-debug=*) debuglevel="$optval"
1304 ;;
1305 --enable-*=*|--disable-*=*)
1306 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1307 case "$thing" in
1308 encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1309 *) die_unknown "$opt" ;;
1310 esac
1311 ;;
1312 --enable-?*|--disable-?*)
1313 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1314 if is_in $option $COMPONENT_LIST; then
1315 eval $action \$$(toupper ${option%s})_LIST
1316 elif is_in $option $CMDLINE_SELECT; then
1317 $action $option
1318 else
1319 die_unknown $opt
1320 fi
1321 ;;
1322 --list-*)
1323 NAME="${opt#--list-}"
1324 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1325 NAME=${NAME%s}
1326 eval show_list $NAME \$$(toupper $NAME)_LIST
1327 ;;
1328 --help|-h) show_help
1329 ;;
1330 *)
1331 optname="${opt%%=*}"
1332 optname="${optname#--}"
1333 optname=$(echo "$optname" | sed 's/-/_/g')
1334 is_in $optname $CMDLINE_SET || die_unknown $opt
1335 eval $optname='$optval'
1336 ;;
1337 esac
1338 done
1339
1340 disabled logging && logfile=/dev/null
1341
1342 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1343 set >> $logfile
1344
1345 test -n "$cross_prefix" && enable cross_compile
1346
1347 ar="${cross_prefix}${ar}"
1348 cc_default="${cross_prefix}${cc_default}"
1349 nm_default="${cross_prefix}${nm_default}"
1350 ranlib="${cross_prefix}${ranlib}"
1351 strip="${cross_prefix}${strip}"
1352
1353 sysinclude_default="${sysroot}/usr/include"
1354
1355 set_default cc nm sysinclude
1356 as_default=$cc
1357 enabled cross_compile || host_cc_default=$cc
1358 set_default host_cc
1359
1360 exesuf() {
1361 case $1 in
1362 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1363 esac
1364 }
1365
1366 EXESUF=$(exesuf $target_os)
1367 HOSTEXESUF=$(exesuf $host_os)
1368
1369 # set temporary file name
1370 : ${TMPDIR:=$TEMPDIR}
1371 : ${TMPDIR:=$TMP}
1372 : ${TMPDIR:=/tmp}
1373
1374 if ! check_cmd type mktemp; then
1375 # simple replacement for missing mktemp
1376 # NOT SAFE FOR GENERAL USE
1377 mktemp(){
1378 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1379 }
1380 fi
1381
1382 tmpfile(){
1383 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1384 (set -C; exec > $tmp) 2>/dev/null ||
1385 die "Unable to create temoporary file in $TMPDIR."
1386 append TMPFILES $tmp
1387 eval $1=$tmp
1388 }
1389
1390 trap 'rm -f -- $TMPFILES' EXIT
1391 trap exit HUP INT TERM
1392
1393 tmpfile TMPC .c
1394 tmpfile TMPE $EXESUF
1395 tmpfile TMPH .h
1396 tmpfile TMPO .o
1397 tmpfile TMPS .S
1398 tmpfile TMPSH .sh
1399
1400 unset -f mktemp
1401
1402 # make sure we can execute files in $TMPDIR
1403 cat > $TMPSH 2>> $logfile <<EOF
1404 #! /bin/sh
1405 EOF
1406 chmod +x $TMPSH >> $logfile 2>&1
1407 if ! $TMPSH >> $logfile 2>&1; then
1408 cat <<EOF
1409 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1410 variable to another directory and make sure that it is not mounted noexec.
1411 EOF
1412 die "Sanity test failed."
1413 fi
1414
1415 if $cc --version 2>/dev/null | grep -qi gcc; then
1416 cc_type=gcc
1417 elif $cc --version 2>/dev/null | grep -q Intel; then
1418 cc_type=icc
1419 elif $cc -v 2>&1 | grep -q xlc; then
1420 cc_type=xlc
1421 elif $cc -V 2>/dev/null | grep -q Compaq; then
1422 cc_type=ccc
1423 DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1424 debuglevel=3
1425 add_ldflags -Wl,-z,now # calls to libots crash without this
1426 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1427 test -d "$sysroot" || die "No valid sysroot specified."
1428 cc_type=armcc
1429 armcc_conf="$PWD/armcc.conf"
1430 $cc --arm_linux_configure \
1431 --arm_linux_config_file="$armcc_conf" \
1432 --configure_sysroot="$sysroot" \
1433 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1434 die "Error creating armcc configuration file."
1435 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1436 as_default="${cross_prefix}gcc"
1437 fi
1438
1439 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1440
1441 set_default as
1442
1443 if test -n "$sysroot"; then
1444 case "$cc_type" in
1445 gcc)
1446 add_cflags --sysroot="$sysroot"
1447 add_ldflags --sysroot="$sysroot"
1448 ;;
1449 esac
1450 fi
1451
1452 # compiler sanity check
1453 check_exec <<EOF
1454 int main(void){ return 0; }
1455 EOF
1456 if test "$?" != 0; then
1457 echo "$cc is unable to create an executable file."
1458 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1459 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1460 echo "Only do this if you know what cross compiling means."
1461 fi
1462 die "C compiler test failed."
1463 fi
1464
1465 check_cflags -std=c99
1466 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1467 #include <stdlib.h>
1468 EOF
1469 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1470 #include <stdlib.h>
1471 EOF
1472
1473 case "$arch" in
1474 alpha)
1475 arch="alpha"
1476 enable fast_64bit
1477 check_cflags -mieee
1478 ;;
1479 arm|armv[4567]*l)
1480 arch="arm"
1481 ;;
1482 avr32)
1483 ;;
1484 bfin)
1485 arch="bfin"
1486 ;;
1487 ia64)
1488 arch="ia64"
1489 enable fast_64bit
1490 ;;
1491 m68k)
1492 arch="m68k"
1493 ;;
1494 mips|mipsel|IP*)
1495 arch="mips"
1496 ;;
1497 mips64)
1498 arch="mips"
1499 enable fast_64bit
1500 ;;
1501 parisc|hppa)
1502 arch="parisc"
1503 ;;
1504 parisc64|hppa64)
1505 arch="parisc"
1506 enable fast_64bit
1507 ;;
1508 "Power Macintosh"|ppc|powerpc)
1509 arch="ppc"
1510 enable fast_unaligned
1511 ;;
1512 ppc64)
1513 arch="ppc"
1514 enable fast_64bit
1515 enable fast_unaligned
1516 ;;
1517 s390|s390x)
1518 arch="s390"
1519 ;;
1520 sh4|sh)
1521 arch="sh4"
1522 ;;
1523 sparc)
1524 arch="sparc"
1525 ;;
1526 sun4u|sparc64)
1527 arch="sparc"
1528 subarch="sparc64"
1529 enable fast_64bit
1530 ;;
1531 i386|i486|i586|i686|i86pc|BePC)
1532 arch="x86"
1533 subarch="x86_32"
1534 enable fast_unaligned
1535 ;;
1536 x86_64|amd64)
1537 arch="x86"
1538 subarch="x86_32"
1539 enable cmov
1540 enable fast_cmov
1541 enable fast_unaligned
1542 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1543 int test[sizeof(char*) - 7];
1544 EOF
1545 ;;
1546 *)
1547 arch="unknown"
1548 ;;
1549 esac
1550
1551 enable $arch $subarch
1552
1553 # OS specific
1554 case $target_os in
1555 beos|haiku|zeta)
1556 prefix_default="$HOME/config"
1557 # helps building libavcodec
1558 add_cflags -DPIC -fomit-frame-pointer
1559 # 3 gcc releases known for BeOS, each with ugly bugs
1560 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1561 case "$gcc_version" in
1562 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1563 disable mmx
1564 ;;
1565 *20010315*) echo "BeBits gcc"
1566 add_cflags -fno-expensive-optimizations
1567 ;;
1568 esac
1569 SHFLAGS=-nostart
1570 # enable BeOS things
1571 enable audio_beos
1572 # no need for libm, but the inet stuff
1573 # Check for BONE
1574 # XXX: actually should check for NOT net_server
1575 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1576 network_extralibs="-lbind -lsocket"
1577 else
1578 enable beos_netserver
1579 network_extralibs="-lnet"
1580 fi ;;
1581 sunos)
1582 FFSERVERLDFLAGS=""
1583 SHFLAGS='-shared -Wl,-h,$$(@F)'
1584 network_extralibs="-lsocket -lnsl"
1585 add_cflags -D__EXTENSIONS__
1586 ;;
1587 netbsd)
1588 oss_demuxer_extralibs="-lossaudio"
1589 oss_muxer_extralibs="-lossaudio"
1590 ;;
1591 openbsd)
1592 disable need_memalign
1593 LIBOBJFLAGS='$(PIC)'
1594 SHFLAGS='-shared'
1595 oss_demuxer_extralibs="-lossaudio"
1596 oss_muxer_extralibs="-lossaudio"
1597 ;;
1598 freebsd)
1599 disable need_memalign
1600 ;;
1601 bsd/os)
1602 osextralibs="-lpoll -lgnugetopt"
1603 strip="strip -d"
1604 ;;
1605 darwin)
1606 disable need_memalign
1607 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1608 strip="strip -x"
1609 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1610 SLIBSUF=".dylib"
1611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1613 FFSERVERLDFLAGS=-Wl,-bind_at_load
1614 objformat="macho"
1615 enabled x86_64 && objformat="macho64"
1616 ;;
1617 mingw32*)
1618 target_os=mingw32
1619 LIBTARGET=i386
1620 if enabled x86_64; then
1621 disable need_memalign
1622 LIBTARGET=x64
1623 fi
1624 shlibdir_default="$bindir_default"
1625 disable ffserver
1626 SLIBPREF=""
1627 SLIBSUF=".dll"
1628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1630 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1631 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1632 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1633 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1634 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1635 objformat="win32"
1636 enable dos_paths
1637 check_cflags -fno-common
1638 if ! enabled x86_64; then
1639 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1640 die "ERROR: MinGW runtime version must be >= 3.15."
1641 enabled_any avisynth vfwcap_demuxer &&
1642 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1643 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1644 fi
1645 ;;
1646 cygwin*)
1647 target_os=cygwin
1648 shlibdir_default="$bindir_default"
1649 SLIBPREF="cyg"
1650 SLIBSUF=".dll"
1651 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1652 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1653 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1654 objformat="win32"
1655 enable dos_paths
1656 check_cflags -fno-common
1657 ;;
1658 *-dos|freedos|opendos)
1659 disable ffplay ffserver
1660 disable $INDEV_LIST $OUTDEV_LIST
1661 network_extralibs="-lsocket"
1662 objformat="coff"
1663 enable dos_paths
1664 check_cflags -fno-common
1665 ;;
1666 linux)
1667 enable dv1394
1668 ;;
1669 irix*)
1670 target_os=irix
1671 ranlib="echo ignoring ranlib"
1672 ;;
1673 os/2*)
1674 strip="lxlite"
1675 ln_s="cp -f"
1676 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1677 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1678 FFSERVERLDFLAGS=""
1679 LIBSUF="_s.a"
1680 SLIBPREF=""
1681 SLIBSUF=".dll"
1682 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1683 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1684 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1685 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1686 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1687 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1688 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1689 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1690 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1691 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1692 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1693 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1694 enable dos_paths
1695 ;;
1696
1697 *)
1698 die "Unknown OS '$target_os'."
1699 ;;
1700 esac
1701
1702 set_default $PATHS_LIST
1703
1704 add_extralibs $osextralibs
1705
1706 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1707 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1708
1709 # we need to build at least one lib type
1710 if ! enabled_any static shared; then
1711 cat <<EOF
1712 At least one library type must be built.
1713 Specify --enable-static to build the static libraries or --enable-shared to
1714 build the shared libraries as well. To only build the shared libraries specify
1715 --disable-static in addition to --enable-shared.
1716 EOF
1717 exit 1;
1718 fi
1719
1720 disabled static && LIBNAME=""
1721
1722 if enabled_any libfaad libfaadbin ; then
1723 if check_header faad.h; then
1724 check_cc <<EOF
1725 #include <faad.h>
1726 #ifndef FAAD2_VERSION
1727 ok faad1
1728 #endif
1729 int main(void) { return 0; }
1730 EOF
1731 test $? = 0 && enable libfaad2
1732 else
1733 die "FAAD test failed."
1734 fi
1735 fi
1736
1737
1738 if ! enabled gpl; then
1739 die_gpl_disabled(){
1740 name=$1
1741 shift
1742 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1743 }
1744 die_gpl_disabled "The Postprocessing code" postproc
1745 die_gpl_disabled "libx264" libx264
1746 die_gpl_disabled "libxvidcore" libxvid
1747 die_gpl_disabled "FAAD2" libfaad2
1748 die_gpl_disabled "The X11 grabber" x11grab
1749 fi
1750
1751 if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1752 die "libamr is nonfree and --enable-nonfree is not specified."
1753 fi
1754
1755 check_deps $ARCH_EXT_LIST
1756
1757 test -z "$need_memalign" && need_memalign="$mmx"
1758
1759 #Darwin CC versions
1760 if test $target_os = darwin; then
1761 if enabled xlc; then
1762 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1763 else
1764 add_cflags -pipe
1765 check_cflags -force_cpusubtype_ALL
1766 check_cflags -Wno-sign-compare
1767 enabled shared || check_cflags -mdynamic-no-pic
1768 fi
1769 fi
1770
1771 disabled optimizations || check_cflags -fomit-frame-pointer
1772
1773 # Add processor-specific flags
1774 if test $cpu != "generic"; then
1775 warn_altivec(){
1776 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1777 }
1778 case $cpu in
1779 601|ppc601|PowerPC601)
1780 add_cflags -mcpu=601
1781 warn_altivec enabled PPC601
1782 ;;
1783 603*|ppc603*|PowerPC603*)
1784 add_cflags -mcpu=603
1785 warn_altivec enabled PPC603
1786 ;;
1787 604*|ppc604*|PowerPC604*)
1788 add_cflags -mcpu=604
1789 warn_altivec enabled PPC604
1790 ;;
1791 G3|g3|75*|ppc75*|PowerPC75*)
1792 add_cflags -mcpu=750 -mpowerpc-gfxopt
1793 warn_altivec enabled PPC75x
1794 ;;
1795 G4|g4|745*|ppc745*|PowerPC745*)
1796 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1797 warn_altivec disabled PPC745x
1798 ;;
1799 74*|ppc74*|PowerPC74*)
1800 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1801 warn_altivec disabled PPC74xx
1802 ;;
1803 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1804 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1805 warn_altivec disabled PPC970
1806 enable ppc64
1807 ;;
1808 Cell|CELL|cell)
1809 add_cflags -mcpu=cell
1810 warn_altivec disabled Cell
1811 enable ppc64
1812 ;;
1813 # targets that do NOT support conditional mov (cmov)
1814 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1815 add_cflags -march=$cpu
1816 disable cmov
1817 ;;
1818 # targets that do support conditional mov (cmov)
1819 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1820 add_cflags -march=$cpu
1821 enable cmov
1822 enable fast_cmov
1823 ;;
1824 # targets that do support conditional mov but on which it's slow
1825 pentium4|pentium4m|prescott|nocona)
1826 add_cflags -march=$cpu
1827 enable cmov
1828 disable fast_cmov
1829 ;;
1830 sparc64)
1831 add_cflags -mcpu=v9
1832 ;;
1833 arm11*|cortex*)
1834 add_cflags -mcpu=$cpu
1835 enable fast_unaligned
1836 ;;
1837 armv*)
1838 add_cflags -march=$cpu
1839 ;;
1840 arm*)
1841 add_cflags -mcpu=$cpu
1842 ;;
1843 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1844 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1845 ;;
1846 *)
1847 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1848 ;;
1849 esac
1850 fi
1851
1852 check_cc <<EOF || die "Symbol mangling check failed."
1853 int ff_extern;
1854 EOF
1855 sym=$($nm -P -g $TMPO | grep ff_extern)
1856 extern_prefix=${sym%%ff_extern*}
1857
1858 check_cc <<EOF && enable inline_asm
1859 void foo(void) { __asm__ volatile ("" ::); }
1860 EOF
1861
1862 if enabled x86; then
1863 # check whether EBP is available on x86
1864 # As 'i' is stored on the stack, this program will crash
1865 # if the base pointer is used to access it because the
1866 # base pointer is cleared in the inline assembly code.
1867 check_exec_crash <<EOF && enable ebp_available
1868 volatile int i=0;
1869 __asm__ volatile (
1870 "xorl %%ebp, %%ebp"
1871 ::: "%ebp");
1872 return i;
1873 EOF
1874
1875 # check wether EBX is available on x86
1876 check_asm ebx_available '"":::"%ebx"'
1877
1878 # check whether more than 10 operands are supported
1879 check_cc <<EOF && enable ten_operands
1880 int main(void) {
1881 int x=0;
1882 __asm__ volatile(
1883 ""
1884 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1885 );
1886 return 0;
1887 }
1888 EOF
1889
1890 # check whether binutils is new enough to compile SSSE3/MMX2
1891 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1892 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1893
1894 check_asm bswap '"bswap %%eax" ::: "%eax"'
1895
1896 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1897 enabled x86_64 && append YASMFLAGS "-m amd64"
1898 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1899 case "$objformat" in
1900 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1901 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1902 *) append YASMFLAGS "-DPREFIX" ;;
1903 esac
1904 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1905 fi
1906
1907 # check for assembler specific support
1908
1909 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1910 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1911
1912 # check for SIMD availability
1913
1914 # AltiVec flags: The FSF version of GCC differs from the Apple version
1915 if enabled altivec; then
1916 check_cflags -maltivec -mabi=altivec &&
1917 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1918 check_cflags -faltivec
1919
1920 # check if our compiler supports Motorola AltiVec C API
1921 check_cc <<EOF || disable altivec
1922 $inc_altivec_h
1923 int main(void) {
1924 vector signed int v1, v2, v3;
1925 v1 = vec_add(v2,v3);
1926 return 0;
1927 }
1928 EOF
1929
1930 # check if our compiler supports braces for vector declarations
1931 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1932 $inc_altivec_h
1933 int main (void) { (vector int) {1}; return 0; }
1934 EOF
1935 fi
1936
1937 # We have to check if pld is a nop and disable it.
1938 enabled arm && check_asm pld '"pld [r0]"'
1939 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1940 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
1941 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1942 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
1943 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1944 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
1945 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
1946 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1947
1948 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1949
1950 # ---
1951 # big/little-endian test
1952 check_cc <<EOF || die "endian test failed"
1953 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1954 EOF
1955 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1956
1957 # ---
1958 # check availability of some header files
1959
1960 if check_func dlopen; then
1961 ldl=
1962 elif check_func dlopen -ldl; then
1963 ldl=-ldl
1964 fi
1965
1966 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1967 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1968
1969 check_func fork
1970 check_func gethrtime
1971 check_func getrusage
1972 check_func inet_aton $network_extralibs
1973 check_func memalign
1974 check_func mkstemp
1975 check_func posix_memalign
1976 check_func_headers io.h setmode
1977 check_func_headers lzo/lzo1x.h lzo1x_999_compress
1978 check_func_headers windows.h GetProcessTimes
1979 check_func_headers windows.h VirtualAlloc
1980
1981 check_header conio.h
1982 check_header dlfcn.h
1983 check_header malloc.h
1984 check_header poll.h
1985 check_header sys/mman.h
1986 check_header sys/resource.h
1987 check_header sys/select.h
1988 check_header termios.h
1989 check_header vdpau/vdpau.h
1990 check_header vdpau/vdpau_x11.h
1991 check_header X11/extensions/XvMClib.h
1992
1993 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1994 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1995 fi
1996
1997 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
1998 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1999
2000 # check for some common methods of building with pthread support
2001 # do this before the optional library checks as some of them require pthreads
2002 if enabled pthreads; then
2003 if check_func pthread_create; then
2004 :
2005 elif check_func pthread_create -pthread; then
2006 add_cflags -pthread
2007 add_extralibs -pthread
2008 elif check_func pthread_create -pthreads; then
2009 add_cflags -pthreads
2010 add_extralibs -pthreads
2011 elif check_func pthread_create -lpthreadGC2; then
2012 add_extralibs -lpthreadGC2
2013 elif ! check_lib pthread.h pthread_create -lpthread; then
2014 die "ERROR: can't find pthreads library"
2015 fi
2016 fi
2017
2018 for thread in $THREADS_LIST; do
2019 if enabled $thread; then
2020 test -n "$thread_type" &&
2021 die "ERROR: Only one thread type must be selected." ||
2022 thread_type="$thread"
2023 fi
2024 done
2025
2026 check_lib math.h sin -lm
2027 check_lib va/va.h vaInitialize -lva
2028
2029 # test for C99 functions in math.h
2030 for func in llrint lrint lrintf round roundf truncf; do
2031 check_exec <<EOF && enable $func || disable $func
2032 #include <math.h>
2033 int main(void) { return ($func(3.999f) > 0)?0:1; }
2034 EOF
2035 done
2036
2037 # these are off by default, so fail if requested and not available
2038 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2039 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2040 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2041 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2042 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2043 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2044 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2045 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2046 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2047 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2048 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2049 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2050 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2051 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2052 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2053 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2054 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2055 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2056 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2057 die "ERROR: libx264 version must be >= 0.65."; }
2058 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2059 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2060
2061 # libdc1394 check
2062 if enabled libdc1394; then
2063 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2064 enable libdc1394_2; } ||
2065 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2066 enable libdc1394_1; } ||
2067 die "ERROR: No version of libdc1394 found "
2068 fi
2069
2070
2071 _restrict=
2072 for restrict_keyword in restrict __restrict__ __restrict; do
2073 check_cc <<EOF && _restrict=$restrict_keyword && break
2074 void foo(char * $restrict_keyword p);
2075 EOF
2076 done
2077
2078 ##########################################
2079 # SDL check
2080
2081 disable sdl_too_old
2082 disable sdl
2083 SDL_CONFIG="${cross_prefix}sdl-config"
2084 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2085 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2086 temp_cflags $sdl_cflags
2087 temp_extralibs $("${SDL_CONFIG}" --libs)
2088 if check_lib2 SDL.h SDL_Init; then
2089 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2090 if test "$_sdlversion" -lt 121 ; then
2091 enable sdl_too_old
2092 else
2093 enable sdl
2094 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2095 #include <SDL.h>
2096 int main(int argc, char **argv){
2097 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2098 int w = vi->current_w;
2099 return 0;
2100 }
2101 EOF
2102 fi
2103 fi
2104 restore_flags
2105 fi
2106
2107 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2108
2109 ##########################################
2110 # Network check
2111
2112 if enabled network; then
2113 check_type "sys/types.h sys/socket.h" socklen_t
2114 # Prefer arpa/inet.h over winsock2
2115 if check_header arpa/inet.h ; then
2116 check_func closesocket
2117 elif check_header winsock2.h ; then
2118 network_extralibs="-lws2_32"
2119 check_type ws2tcpip.h socklen_t
2120 check_func_headers winsock2.h closesocket
2121 fi
2122 fi
2123
2124 ##########################################
2125 # IPv6 check
2126
2127 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2128 #include <sys/types.h>
2129 #include <sys/socket.h>
2130 #include <netinet/in.h>
2131 #include <netdb.h>
2132 int main(void) {
2133 struct sockaddr_storage saddr;
2134 struct ipv6_mreq mreq6;
2135 getaddrinfo(0,0,0,0);
2136 getnameinfo(0,0,0,0,0,0,0);
2137 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2138 }
2139 EOF
2140
2141 check_header linux/videodev.h
2142 check_header linux/videodev2.h
2143 check_header sys/videoio.h
2144
2145 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2146
2147 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2148 { check_header dev/bktr/ioctl_meteor.h &&
2149 check_header dev/bktr/ioctl_bt848.h; } ||
2150 { check_header machine/ioctl_meteor.h &&
2151 check_header machine/ioctl_bt848.h; } ||
2152 { check_header dev/video/meteor/ioctl_meteor.h &&
2153 check_header dev/video/bktr/ioctl_bt848.h; } ||
2154 check_header dev/ic/bt8xx.h
2155
2156 check_header sys/soundcard.h
2157 check_header soundcard.h
2158
2159 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2160
2161 check_lib2 jack/jack.h jack_client_open -ljack
2162
2163 # deal with the X11 frame grabber
2164 enabled x11grab &&
2165 check_header X11/Xlib.h &&
2166 check_header X11/extensions/XShm.h &&
2167 check_func XOpenDisplay -lX11 &&
2168 check_func XShmCreateImage -lX11 -lXext
2169
2170 enabled debug && add_cflags -g"$debuglevel"
2171
2172 # add some useful compiler flags if supported
2173 check_cflags -Wdeclaration-after-statement
2174 check_cflags -Wall
2175 check_cflags -Wno-switch
2176 check_cflags -Wdisabled-optimization
2177 check_cflags -Wpointer-arith
2178 check_cflags -Wredundant-decls
2179 check_cflags -Wno-pointer-sign
2180 check_cflags -Wcast-qual
2181 check_cflags -Wwrite-strings
2182 check_cflags -Wtype-limits
2183 check_cflags -Wundef
2184 enabled extra_warnings && check_cflags -Winline
2185
2186 # add some linker flags
2187 check_ldflags -Wl,--warn-common
2188 check_ldflags -Wl,--as-needed
2189 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'
2190 check_ldflags -Wl,-Bsymbolic
2191
2192 if enabled small; then
2193 check_cflags -Os # not all compilers support -Os
2194 optimizations="small"
2195 elif enabled optimizations; then
2196 if enabled xlc; then
2197 add_cflags -O5
2198 add_ldflags -O5
2199 elif enabled ccc; then
2200 add_cflags -fast
2201 else
2202 add_cflags -O3
2203 fi
2204 fi
2205 check_cflags -fno-math-errno
2206 check_cflags -fno-signed-zeros
2207
2208 # add some flags for Intel C Compiler
2209 if enabled icc; then
2210 # Just warnings, no remarks
2211 check_cflags -w1
2212 # -wd: Disable following warnings
2213 # 144, 167, 556: -Wno-pointer-sign
2214 # 10006: ignoring unknown option -fno-signed-zeros
2215 # 10156: ignoring option '-W'; no argument required
2216 check_cflags -wd144,167,556,10006,10156
2217 # 11030: Warning unknown option --as-needed
2218 # 10156: ignoring option '-export'; no argument required
2219 check_ldflags -wd10156,11030
2220 # Allow to compile with optimizations
2221 check_ldflags -march=$cpu
2222 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2223 enable ebp_available
2224 elif enabled ccc; then
2225 # disable some annoying warnings
2226 add_cflags -msg_disable cvtu32to64
2227 add_cflags -msg_disable embedcomment
2228 add_cflags -msg_disable needconstext
2229 add_cflags -msg_disable nomainieee
2230 add_cflags -msg_disable ptrmismatch1
2231 add_cflags -msg_disable unreachcode
2232 fi
2233
2234 # PIC flags for shared library objects where they are needed
2235 if enabled shared; then
2236 # LIBOBJFLAGS may have already been set in the OS configuration
2237 if test -z "$LIBOBJFLAGS" ; then
2238 case "${subarch-$arch}" in
2239 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2240 esac
2241 fi
2242 fi
2243
2244 if enabled gprof; then
2245 add_cflags -p
2246 add_ldflags -p
2247 fi
2248
2249 # Find out if the .align argument is a power of two or not.
2250 check_asm asmalign_pot '".align 3"'
2251
2252 enabled_any $DECODER_LIST && enable decoders
2253 enabled_any $ENCODER_LIST && enable encoders
2254 enabled_any $HWACCEL_LIST && enable hwaccels
2255 enabled_any $BSF_LIST && enable bsfs
2256 enabled_any $DEMUXER_LIST && enable demuxers
2257 enabled_any $MUXER_LIST && enable muxers
2258 enabled_any $FILTER_LIST && enable filters
2259 enabled_any $INDEV_LIST && enable demuxers
2260 enabled_any $OUTDEV_LIST && enable muxers
2261 enabled_any $PROTOCOL_LIST && enable protocols
2262
2263 enabled_any $THREADS_LIST && enable threads
2264
2265 check_deps $CONFIG_LIST \
2266 $CONFIG_EXTRA \
2267 $HAVE_LIST \
2268 $DECODER_LIST \
2269 $ENCODER_LIST \
2270 $HWACCEL_LIST \
2271 $PARSER_LIST \
2272 $BSF_LIST \
2273 $DEMUXER_LIST \
2274 $MUXER_LIST \
2275 $FILTER_LIST \
2276 $INDEV_LIST \
2277 $OUTDEV_LIST \
2278 $PROTOCOL_LIST \
2279
2280 echo "install prefix $prefix"
2281 echo "source path $source_path"
2282 echo "C compiler $cc"
2283 echo ".align is power-of-two $asmalign_pot"
2284 echo "ARCH $arch ($cpu)"
2285 if test "$build_suffix" != ""; then
2286 echo "build suffix $build_suffix"
2287 fi
2288 if test "$extra_version" != ""; then
2289 echo "version string suffix $extra_version"
2290 fi
2291 echo "big-endian ${bigendian-no}"
2292 echo "runtime cpu detection ${runtime_cpudetect-no}"
2293 if enabled x86; then
2294 echo "yasm ${yasm-no}"
2295 echo "MMX enabled ${mmx-no}"
2296 echo "MMX2 enabled ${mmx2-no}"
2297 echo "3DNow! enabled ${amd3dnow-no}"
2298 echo "3DNow! extended enabled ${amd3dnowext-no}"
2299 echo "SSE enabled ${sse-no}"
2300 echo "SSSE3 enabled ${ssse3-no}"
2301 echo "CMOV enabled ${cmov-no}"
2302 echo "CMOV is fast ${fast_cmov-no}"
2303 echo "EBX available ${ebx_available-no}"
2304 echo "EBP available ${ebp_available-no}"
2305 echo "10 operands supported ${ten_operands-no}"
2306 fi
2307 if enabled arm; then
2308 echo "ARMv5TE enabled ${armv5te-no}"
2309 echo "ARMv6 enabled ${armv6-no}"
2310 echo "ARMv6T2 enabled ${armv6t2-no}"
2311 echo "ARM VFP enabled ${armvfp-no}"
2312 echo "IWMMXT enabled ${iwmmxt-no}"
2313 echo "NEON enabled ${neon-no}"
2314 fi
2315 if enabled mips; then
2316 echo "MMI enabled ${mmi-no}"
2317 fi
2318 if enabled ppc; then
2319 echo "AltiVec enabled ${altivec-no}"
2320 echo "PPC 4xx optimizations ${ppc4xx-no}"
2321 echo "dcbzl available ${dcbzl-no}"
2322 echo "performance report ${powerpc_perf-no}"
2323 fi
2324 if enabled sparc; then
2325 echo "VIS enabled ${vis-no}"
2326 fi
2327 echo "gprof enabled ${gprof-no}"
2328 echo "debug symbols ${debug-no}"
2329 echo "strip symbols ${stripping-no}"
2330 echo "optimizations ${optimizations-no}"
2331 echo "static ${static-no}"
2332 echo "shared ${shared-no}"
2333 echo "postprocessing support ${postproc-no}"
2334 echo "new filter support ${avfilter-no}"
2335 echo "filters using lavformat ${avfilter_lavf-no}"
2336 echo "network support ${network-no}"
2337 if enabled network; then
2338 echo "IPv6 support ${ipv6-no}"
2339 fi
2340 echo "threading support ${thread_type-no}"
2341 echo "SDL support ${sdl-no}"
2342 if enabled sdl_too_old; then
2343 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2344 fi
2345 echo "Sun medialib support ${mlib-no}"
2346 echo "AVISynth enabled ${avisynth-no}"
2347 echo "libamr-nb support ${libamr_nb-no}"
2348 echo "libamr-wb support ${libamr_wb-no}"
2349 echo "libdc1394 support ${libdc1394-no}"
2350 echo "libdirac enabled ${libdirac-no}"
2351 echo "libfaac enabled ${libfaac-no}"
2352 echo "libfaad enabled ${libfaad-no}"
2353 echo "libfaad dlopened ${libfaadbin-no}"
2354 echo "libgsm enabled ${libgsm-no}"
2355 echo "libmp3lame enabled ${libmp3lame-no}"
2356 echo "libnut enabled ${libnut-no}"
2357 echo "libopenjpeg enabled ${libopenjpeg-no}"
2358 echo "libschroedinger enabled ${libschroedinger-no}"
2359 echo "libspeex enabled ${libspeex-no}"
2360 echo "libtheora enabled ${libtheora-no}"
2361 echo "libvorbis enabled ${libvorbis-no}"
2362 echo "libx264 enabled ${libx264-no}"
2363 echo "libxvid enabled ${libxvid-no}"
2364 echo "zlib enabled ${zlib-no}"
2365 echo "bzlib enabled ${bzlib-no}"
2366 echo
2367
2368 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2369 echo "Enabled ${type}s:"
2370 eval list=\$$(toupper $type)_LIST
2371 for part in $list; do
2372 enabled $part && echo ${part%_*}
2373 done | sort | pr -3 -t
2374 echo
2375 done
2376
2377 license="LGPL"
2378 if enabled nonfree; then
2379 license="unredistributable"
2380 elif enabled gpl; then
2381 license="GPL"
2382 fi
2383
2384 echo "License: $license"
2385
2386 echo "Creating config.mak and config.h..."
2387
2388 echo "# Automatically generated by configure - do not modify!" > config.mak
2389 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2390 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2391 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2392 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2393 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2394
2395 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2396 echo "prefix=$prefix" >> config.mak
2397 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2398 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2399 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2400 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2401 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2402 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2403 echo "SRC_PATH=\"$source_path\"" >> config.mak
2404 echo "SRC_PATH_BARE=$source_path" >> config.mak
2405 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2406 echo "CC=$cc" >> config.mak
2407 echo "AS=$as" >> config.mak
2408 echo "YASM=$yasmexe" >> config.mak
2409 echo "AR=$ar" >> config.mak
2410 echo "RANLIB=$ranlib" >> config.mak
2411 echo "LN_S=$ln_s" >> config.mak
2412 enabled stripping &&
2413 echo "STRIP=$strip" >> config.mak ||
2414 echo "STRIP=echo ignoring strip" >> config.mak
2415
2416 echo "OPTFLAGS=$CFLAGS" >> config.mak
2417 echo "LDFLAGS=$LDFLAGS" >> config.mak
2418 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2419 echo "SHFLAGS=$SHFLAGS" >> config.mak
2420 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2421 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2422 echo "BUILD_STATIC=$static" >> config.mak
2423 echo "BUILDSUF=$build_suffix" >> config.mak
2424 echo "FULLNAME=$FULLNAME" >> config.mak
2425 echo "LIBPREF=$LIBPREF" >> config.mak
2426 echo "LIBSUF=$LIBSUF" >> config.mak
2427 echo "LIBNAME=$LIBNAME" >> config.mak
2428 echo "SLIBPREF=$SLIBPREF" >> config.mak
2429 echo "SLIBSUF=$SLIBSUF" >> config.mak
2430 echo "EXESUF=$EXESUF" >> config.mak
2431 echo "EXTRA_VERSION=$extra_version" >> config.mak
2432 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2433 echo "HOSTCC=$host_cc" >> config.mak
2434 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2435 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2436 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2437 echo "HOSTLIBS=$host_libs" >> config.mak
2438 echo "TARGET_EXEC=$target_exec" >> config.mak
2439 echo "TARGET_PATH=$target_path" >> config.mak
2440
2441 if enabled bigendian; then
2442 echo "WORDS_BIGENDIAN=yes" >> config.mak
2443 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2444 fi
2445
2446 if enabled sdl; then
2447 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2448 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2449 fi
2450 if enabled texi2html; then
2451 echo "BUILD_DOC=yes" >> config.mak
2452 fi
2453
2454 get_version(){
2455 name=$1
2456 file=$source_path/$2
2457 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2458 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2459 lcname=$(tolower $name)
2460 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2461 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2462 }
2463
2464 get_version LIBSWSCALE libswscale/swscale.h
2465 get_version LIBPOSTPROC libpostproc/postprocess.h
2466 get_version LIBAVCODEC libavcodec/avcodec.h
2467 get_version LIBAVDEVICE libavdevice/avdevice.h
2468 get_version LIBAVFORMAT libavformat/avformat.h
2469 get_version LIBAVUTIL libavutil/avutil.h
2470 get_version LIBAVFILTER libavfilter/avfilter.h
2471
2472 if enabled shared; then
2473 echo "BUILD_SHARED=yes" >> config.mak
2474 echo "PIC=-fPIC -DPIC" >> config.mak
2475 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2476 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2477 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2478 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2479 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2480 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2481 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2482 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2483 fi
2484 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2485 echo "EXTRALIBS=$extralibs" >> config.mak
2486
2487 echo "ARCH=$arch" >> config.mak
2488
2489 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2490 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2491 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2492 $CONFIG_EXTRA \
2493 $DECODER_LIST \
2494 $ENCODER_LIST \
2495 $HWACCEL_LIST \
2496 $PARSER_LIST \
2497 $BSF_LIST \
2498 $DEMUXER_LIST \
2499 $MUXER_LIST \
2500 $FILTER_LIST \
2501 $PROTOCOL_LIST \
2502 $INDEV_LIST \
2503 $OUTDEV_LIST \
2504
2505 echo "#define restrict $_restrict" >> $TMPH
2506
2507 if enabled small; then
2508 echo "#define av_always_inline" >> $TMPH
2509 fi
2510
2511
2512 # Apparently it's not possible to portably echo a backslash.
2513 enabled asmalign_pot &&
2514 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2515 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2516
2517 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2518
2519 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2520
2521 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2522 cmp -s $TMPH config.h &&
2523 echo "config.h is unchanged" ||
2524 mv -f $TMPH config.h
2525
2526 # build tree in object directory if source path is different from current one
2527 if enabled source_path_used; then
2528 DIRS="\
2529 doc \
2530 libavcodec \
2531 libavcodec/alpha \
2532 libavcodec/arm \
2533 libavcodec/bfin \
2534 libavcodec/mlib \
2535 libavcodec/ppc \
2536 libavcodec/sh4 \
2537 libavcodec/sparc \
2538 libavcodec/x86 \
2539 libavdevice \
2540 libavfilter \
2541 libavformat \
2542 libavutil \
2543 libpostproc \
2544 libswscale \
2545 libswscale/bfin \
2546 libswscale/mlib \
2547 libswscale/ppc \
2548 libswscale/sparc \
2549 libswscale/x86 \
2550 tests \
2551 tools \
2552 "
2553 FILES="\
2554 Makefile \
2555 common.mak \
2556 subdir.mak \
2557 doc/texi2pod.pl \
2558 libavcodec/Makefile \
2559 libavdevice/Makefile \
2560 libavfilter/Makefile \
2561 libavformat/Makefile \
2562 libavutil/Makefile \
2563 libpostproc/Makefile \
2564 libswscale/Makefile \
2565 "
2566 for dir in $DIRS ; do
2567 mkdir -p $dir
2568 done
2569 for f in $FILES ; do
2570 $ln_s "$source_path/$f" $f
2571 done
2572 fi
2573
2574
2575 # build pkg-config files
2576
2577 pkgconfig_generate(){
2578 name=$1
2579 shortname=${name#lib}${build_suffix}
2580 comment=$2
2581 version=$3
2582 libs=$4
2583 requires=$5
2584 cat <<EOF > $name/$name.pc
2585 prefix=$prefix
2586 exec_prefix=\${prefix}
2587 libdir=$libdir
2588 includedir=$incdir
2589
2590 Name: $name
2591 Description: $comment
2592 Version: $version
2593 Requires: $(disabled shared && echo $requires)
2594 Requires.private: $(enabled shared && echo $requires)
2595 Conflicts:
2596 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2597 Libs.private: $(enabled shared && echo $libs)
2598 Cflags: -I\${includedir}
2599 EOF
2600 cat <<EOF > $name/$name-uninstalled.pc
2601 prefix=
2602 exec_prefix=
2603 libdir=\${pcfiledir}
2604 includedir=${source_path}
2605
2606 Name: $name
2607 Description: $comment
2608 Version: $version
2609 Requires: $requires
2610 Conflicts:
2611 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2612 Cflags: -I\${includedir}
2613 EOF
2614 }
2615
2616 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2617 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2618 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2619 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2620 enabled avfilter &&
2621 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2622 enabled postproc &&
2623 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2624 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"