Pass ASFLAGS to assembler instead of CFLAGS
[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 $*\""
513 }
514
515 add_cppflags(){
516 append CPPFLAGS "$@"
517 }
518
519 add_cflags(){
520 append CFLAGS "$@"
521 }
522
523 add_asflags(){
524 append ASFLAGS "$@"
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 $CPPFLAGS "$@" -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 check_cc "$@" <<EOF && add_cppflags "$@"
593 int x;
594 EOF
595 }
596
597 check_cflags(){
598 log check_cflags "$@"
599 check_cc "$@" <<EOF && add_cflags "$@"
600 int x;
601 EOF
602 }
603
604 check_ldflags(){
605 log check_ldflags "$@"
606 check_ld "$@" <<EOF && add_ldflags "$@"
607 int main(void){ return 0; }
608 EOF
609 }
610
611 check_header(){
612 log check_header "$@"
613 header=$1
614 shift
615 disable_safe $header
616 check_cpp "$@" <<EOF && enable_safe $header
617 #include <$header>
618 int x;
619 EOF
620 }
621
622 check_func(){
623 log check_func "$@"
624 func=$1
625 shift
626 disable $func
627 check_ld "$@" <<EOF && enable $func
628 extern int $func();
629 int main(void){ $func(); }
630 EOF
631 }
632
633 check_func_headers(){
634 log check_func_headers "$@"
635 headers=$1
636 func=$2
637 shift 2
638 disable $func
639 incs=""
640 for hdr in $headers; do
641 incs="$incs
642 #include <$hdr>"
643 done
644 check_ld "$@" <<EOF && enable $func && enable_safe $headers
645 $incs
646 int main(int argc, char **argv){
647 (void) $func;
648 return 0;
649 }
650 EOF
651 }
652
653 check_cpp_condition(){
654 log check_cpp_condition "$@"
655 header=$1
656 condition=$2
657 check_cpp <<EOF
658 #include <$header>
659 #if !($condition)
660 #error "unsatisfied condition: $condition"
661 #endif
662 EOF
663 }
664
665 check_lib(){
666 log check_lib "$@"
667 header="$1"
668 func="$2"
669 shift 2
670 temp_extralibs "$@"
671 check_header $header && check_func $func && add_extralibs "$@"
672 err=$?
673 restore_flags
674 return $err
675 }
676
677 check_lib2(){
678 log check_lib2 "$@"
679 headers="$1"
680 func="$2"
681 shift 2
682 temp_extralibs "$@"
683 check_func_headers "$headers" $func && add_extralibs "$@"
684 err=$?
685 restore_flags
686 return $err
687 }
688
689 check_exec(){
690 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
691 }
692
693 check_exec_crash(){
694 code=$(cat)
695
696 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
697 # are safe but may not be available everywhere. Thus we use
698 # raise(SIGTERM) instead. The check is run in a subshell so we
699 # can redirect the "Terminated" message from the shell. SIGBUS
700 # is not defined by standard C so it is used conditionally.
701
702 (check_exec "$@") >> $logfile 2>&1 <<EOF
703 #include <signal.h>
704 static void sighandler(int sig){
705 raise(SIGTERM);
706 }
707 int main(void){
708 signal(SIGILL, sighandler);
709 signal(SIGFPE, sighandler);
710 signal(SIGSEGV, sighandler);
711 #ifdef SIGBUS
712 signal(SIGBUS, sighandler);
713 #endif
714 { $code }
715 }
716 EOF
717 }
718
719 check_type(){
720 log check_type "$@"
721 headers=$1
722 type=$2
723 shift 2
724 disable $type
725 incs=""
726 for hdr in $headers; do
727 incs="$incs
728 #include <$hdr>"
729 done
730 check_cc "$@" <<EOF && enable $type
731 $incs
732 $type v;
733 EOF
734 }
735
736 require(){
737 name="$1"
738 header="$2"
739 func="$3"
740 shift 3
741 check_lib $header $func "$@" || die "ERROR: $name not found"
742 }
743
744 require2(){
745 name="$1"
746 headers="$2"
747 func="$3"
748 shift 3
749 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
750 }
751
752 check_foo_config(){
753 cfg=$1
754 pkg=$2
755 header=$3
756 func=$4
757 shift 4
758 disable $cfg
759 check_cmd ${pkg}-config --version
760 err=$?
761 if test "$err" = 0; then
762 temp_cflags $(${pkg}-config --cflags)
763 temp_extralibs $(${pkg}-config --libs)
764 check_lib "$@" $header $func && enable $cfg
765 fi
766 return $err
767 }
768
769 apply(){
770 file=$1
771 shift
772 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
773 }
774
775 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
776 # system-dependent things.
777
778 COMPONENT_LIST="
779 bsfs
780 decoders
781 demuxers
782 encoders
783 filters
784 hwaccels
785 indevs
786 muxers
787 outdevs
788 parsers
789 protocols
790 "
791
792 CONFIG_LIST="
793 $COMPONENT_LIST
794 aandct
795 avfilter
796 avfilter_lavf
797 avisynth
798 beos_netserver
799 bzlib
800 fastdiv
801 ffmpeg
802 ffplay
803 ffserver
804 fft
805 golomb
806 gpl
807 gprof
808 gray
809 hardcoded_tables
810 ipv6
811 libdc1394
812 libdirac
813 libfaac
814 libfaad
815 libfaadbin
816 libgsm
817 libmp3lame
818 libnut
819 libopencore_amrnb
820 libopencore_amrwb
821 libopenjpeg
822 libschroedinger
823 libspeex
824 libtheora
825 libvorbis
826 libx264
827 libxvid
828 mdct
829 memalign_hack
830 mlib
831 mpegaudio_hp
832 network
833 nonfree
834 postproc
835 powerpc_perf
836 rdft
837 runtime_cpudetect
838 shared
839 small
840 static
841 swscale_alpha
842 vaapi
843 vdpau
844 version3
845 x11grab
846 zlib
847 "
848
849 THREADS_LIST='
850 beosthreads
851 os2threads
852 pthreads
853 w32threads
854 '
855
856 ARCH_LIST='
857 alpha
858 arm
859 bfin
860 ia64
861 m68k
862 mips
863 mips64
864 parisc
865 ppc
866 ppc64
867 s390
868 sh4
869 sparc
870 sparc64
871 x86
872 x86_32
873 x86_64
874 '
875
876 ARCH_EXT_LIST='
877 altivec
878 amd3dnow
879 amd3dnowext
880 armv5te
881 armv6
882 armv6t2
883 armvfp
884 iwmmxt
885 mmi
886 mmx
887 mmx2
888 neon
889 ppc4xx
890 sse
891 ssse3
892 vis
893 '
894
895 HAVE_LIST="
896 $ARCH_EXT_LIST
897 $THREADS_LIST
898 alsa_asoundlib_h
899 altivec_h
900 arpa_inet_h
901 bigendian
902 bswap
903 closesocket
904 cmov
905 conio_h
906 dcbzl
907 dev_bktr_ioctl_bt848_h
908 dev_bktr_ioctl_meteor_h
909 dev_ic_bt8xx_h
910 dev_video_meteor_ioctl_meteor_h
911 dev_video_bktr_ioctl_bt848_h
912 dlfcn_h
913 dlopen
914 dos_paths
915 ebp_available
916 ebx_available
917 fast_64bit
918 fast_cmov
919 fast_unaligned
920 fork
921 gethrtime
922 GetProcessTimes
923 getrusage
924 inet_aton
925 inline_asm
926 ldbrx
927 libdc1394_1
928 libdc1394_2
929 llrint
930 log2
931 loongson
932 lrint
933 lrintf
934 lzo1x_999_compress
935 machine_ioctl_bt848_h
936 machine_ioctl_meteor_h
937 malloc_h
938 memalign
939 mkstemp
940 pld
941 posix_memalign
942 round
943 roundf
944 sdl
945 sdl_video_size
946 setmode
947 socklen_t
948 soundcard_h
949 poll_h
950 sys_mman_h
951 sys_resource_h
952 sys_select_h
953 sys_soundcard_h
954 sys_videoio_h
955 ten_operands
956 termios_h
957 threads
958 truncf
959 VirtualAlloc
960 winsock2_h
961 xform_asm
962 yasm
963 "
964
965 # options emitted with CONFIG_ prefix but not available on command line
966 CONFIG_EXTRA="
967 gplv3
968 lgplv3
969 "
970
971 CMDLINE_SELECT="
972 $ARCH_EXT_LIST
973 $CONFIG_LIST
974 $THREADS_LIST
975 cross_compile
976 debug
977 extra_warnings
978 logging
979 optimizations
980 stripping
981 yasm
982 "
983
984 PATHS_LIST='
985 bindir
986 datadir
987 incdir
988 libdir
989 mandir
990 prefix
991 shlibdir
992 '
993
994 CMDLINE_SET="
995 $PATHS_LIST
996 arch
997 as
998 build_suffix
999 cc
1000 cpu
1001 cross_prefix
1002 dep_cc
1003 extra_cflags
1004 extra_version
1005 host_cc
1006 host_cflags
1007 host_ldflags
1008 host_libs
1009 host_os
1010 ld
1011 logfile
1012 nm
1013 source_path
1014 sysinclude
1015 sysroot
1016 target_exec
1017 target_os
1018 target_path
1019 "
1020
1021 # code dependency declarations
1022
1023 # architecture extensions
1024 altivec_deps="ppc"
1025 amd3dnow_deps="mmx"
1026 amd3dnowext_deps="amd3dnow"
1027 armv5te_deps="arm"
1028 armv6_deps="arm"
1029 armv6t2_deps="arm"
1030 armvfp_deps="arm"
1031 iwmmxt_deps="arm"
1032 mmi_deps="mips"
1033 mmx_deps="x86"
1034 mmx2_deps="mmx"
1035 neon_deps="arm"
1036 ppc4xx_deps="ppc"
1037 sse_deps="mmx"
1038 ssse3_deps="sse"
1039 vis_deps="sparc"
1040
1041 # decoders / encoders / hardware accelerators
1042 aac_decoder_select="fft mdct"
1043 ac3_decoder_select="fft mdct"
1044 atrac3_decoder_select="fft mdct"
1045 cavs_decoder_select="golomb"
1046 cook_decoder_select="fft mdct"
1047 cscd_decoder_suggest="zlib"
1048 dca_decoder_select="fft mdct"
1049 dnxhd_encoder_select="aandct"
1050 dxa_decoder_select="zlib"
1051 eac3_decoder_select="fft mdct"
1052 eatgq_decoder_select="aandct"
1053 eatqi_decoder_select="aandct"
1054 ffv1_decoder_select="golomb"
1055 flac_decoder_select="golomb"
1056 flac_encoder_select="golomb"
1057 flashsv_decoder_select="zlib"
1058 flashsv_encoder_select="zlib"
1059 flv_encoder_select="aandct"
1060 h261_encoder_select="aandct"
1061 h263_encoder_select="aandct"
1062 h263_vaapi_hwaccel_deps="va_va_h"
1063 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1064 h263p_encoder_select="aandct"
1065 h264_decoder_select="golomb"
1066 h264_vaapi_hwaccel_deps="va_va_h"
1067 h264_vaapi_hwaccel_select="vaapi"
1068 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1069 h264_vdpau_decoder_select="vdpau h264_decoder"
1070 imc_decoder_select="fft mdct"
1071 jpegls_decoder_select="golomb"
1072 jpegls_encoder_select="golomb"
1073 ljpeg_encoder_select="aandct"
1074 loco_decoder_select="golomb"
1075 mjpeg_encoder_select="aandct"
1076 mpeg1video_encoder_select="aandct"
1077 mpeg2video_encoder_select="aandct"
1078 mpeg4_encoder_select="aandct"
1079 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1080 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1081 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1082 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1083 mpeg2_vaapi_hwaccel_deps="va_va_h"
1084 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1085 mpeg4_vaapi_hwaccel_deps="va_va_h"
1086 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1087 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1088 msmpeg4v1_encoder_select="aandct"
1089 msmpeg4v2_encoder_select="aandct"
1090 msmpeg4v3_encoder_select="aandct"
1091 nellymoser_decoder_select="fft mdct"
1092 nellymoser_encoder_select="fft mdct"
1093 png_decoder_select="zlib"
1094 png_encoder_select="zlib"
1095 qdm2_decoder_select="fft mdct rdft"
1096 rv10_encoder_select="aandct"
1097 rv20_encoder_select="aandct"
1098 rv30_decoder_select="golomb"
1099 rv40_decoder_select="golomb"
1100 shorten_decoder_select="golomb"
1101 sonic_decoder_select="golomb"
1102 sonic_encoder_select="golomb"
1103 sonic_ls_encoder_select="golomb"
1104 svq3_decoder_select="golomb"
1105 svq3_decoder_suggest="zlib"
1106 tiff_decoder_suggest="zlib"
1107 tiff_encoder_suggest="zlib"
1108 tscc_decoder_select="zlib"
1109 vc1_vaapi_hwaccel_deps="va_va_h"
1110 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1111 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1112 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1113 vorbis_decoder_select="fft mdct"
1114 vorbis_encoder_select="fft mdct"
1115 wmav1_decoder_select="fft mdct"
1116 wmav1_encoder_select="fft mdct"
1117 wmav2_decoder_select="fft mdct"
1118 wmav2_encoder_select="fft mdct"
1119 wmv1_encoder_select="aandct"
1120 wmv2_encoder_select="aandct"
1121 wmv3_vaapi_hwaccel_deps="va_va_h"
1122 wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1123 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1124 wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1125 zlib_decoder_select="zlib"
1126 zlib_encoder_select="zlib"
1127 zmbv_decoder_select="zlib"
1128 zmbv_encoder_select="zlib"
1129
1130 # parsers
1131 h264_parser_select="golomb"
1132
1133 # external libraries
1134 libdirac_decoder_deps="libdirac !libschroedinger"
1135 libdirac_encoder_deps="libdirac"
1136 libfaac_encoder_deps="libfaac"
1137 libfaad_decoder_deps="libfaad"
1138 libfaadbin_decoder_extralibs='$ldl'
1139 libgsm_decoder_deps="libgsm"
1140 libgsm_encoder_deps="libgsm"
1141 libgsm_ms_decoder_deps="libgsm"
1142 libgsm_ms_encoder_deps="libgsm"
1143 libmp3lame_encoder_deps="libmp3lame"
1144 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1145 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1146 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1147 libopenjpeg_decoder_deps="libopenjpeg"
1148 libschroedinger_decoder_deps="libschroedinger"
1149 libschroedinger_encoder_deps="libschroedinger"
1150 libspeex_decoder_deps="libspeex"
1151 libtheora_encoder_deps="libtheora"
1152 libvorbis_encoder_deps="libvorbis"
1153 libx264_encoder_deps="libx264"
1154 libxvid_encoder_deps="libxvid"
1155
1156 # demuxers / muxers
1157 ac3_demuxer_deps="ac3_parser"
1158 avisynth_demuxer_deps="avisynth"
1159 dirac_demuxer_deps="dirac_parser"
1160 libnut_demuxer_deps="libnut"
1161 libnut_muxer_deps="libnut"
1162 matroska_demuxer_suggest="zlib bzlib"
1163 mov_demuxer_suggest="zlib"
1164 mp3_demuxer_deps="mpegaudio_parser"
1165 redir_demuxer_deps="network"
1166 rtp_muxer_deps="network rtp_protocol"
1167 rtsp_demuxer_deps="sdp_demuxer"
1168 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1169
1170 # indevs / outdevs
1171 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1172 alsa_indev_extralibs="-lasound"
1173 alsa_outdev_deps="alsa_asoundlib_h"
1174 alsa_outdev_extralibs="-lasound"
1175 audio_beos_indev_deps="audio_beos"
1176 audio_beos_indev_extralibs="-lmedia -lbe"
1177 audio_beos_outdev_deps="audio_beos"
1178 audio_beos_outdev_extralibs="-lmedia -lbe"
1179 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1180 dv1394_indev_deps="dv1394 dv_demuxer"
1181 jack_indev_deps="jack_jack_h"
1182 jack_indev_extralibs="-ljack"
1183 libdc1394_indev_deps="libdc1394"
1184 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1185 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1186 v4l_indev_deps="linux_videodev_h"
1187 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1188 vfwcap_indev_deps="capCreateCaptureWindow"
1189 vfwcap_indev_extralibs="-lvfw32"
1190 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1191 x11_grab_device_indev_extralibs="-lX11 -lXext"
1192
1193 # protocols
1194 gopher_protocol_deps="network"
1195 http_protocol_deps="network"
1196 rtp_protocol_deps="udp_protocol"
1197 tcp_protocol_deps="network"
1198 udp_protocol_deps="network"
1199
1200 # filters
1201 movie_filter_deps="avfilter_lavf"
1202
1203 # programs
1204 ffplay_deps="sdl"
1205 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1206 ffserver_extralibs='$ldl'
1207
1208
1209 # default parameters
1210
1211 logfile="config.err"
1212
1213 # installation paths
1214 prefix_default="/usr/local"
1215 bindir_default='${prefix}/bin'
1216 datadir_default='${prefix}/share/ffmpeg'
1217 incdir_default='${prefix}/include'
1218 libdir_default='${prefix}/lib'
1219 mandir_default='${prefix}/share/man'
1220 shlibdir_default="$libdir_default"
1221
1222 # toolchain
1223 ar="ar"
1224 cc_default="gcc"
1225 host_cc_default="gcc"
1226 ln_s="ln -sf"
1227 nm_default="nm"
1228 objformat="elf"
1229 ranlib="ranlib"
1230 strip="strip"
1231 yasmexe="yasm"
1232
1233 # machine
1234 arch=$(uname -m)
1235 cpu="generic"
1236
1237 # OS
1238 target_os=$(tolower $(uname -s))
1239 host_os=$target_os
1240
1241 # configurable options
1242 enable debug
1243 enable fastdiv
1244 enable ffmpeg
1245 enable ffplay
1246 enable ffserver
1247 enable ipv6
1248 enable mpegaudio_hp
1249 enable network
1250 enable optimizations
1251 enable protocols
1252 enable static
1253 enable stripping
1254 enable swscale_alpha
1255
1256 # build settings
1257 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1258 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1259 FFSERVERLDFLAGS=-Wl,-E
1260 LIBPREF="lib"
1261 LIBSUF=".a"
1262 FULLNAME='$(NAME)$(BUILDSUF)'
1263 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1264 SLIBPREF="lib"
1265 SLIBSUF=".so"
1266 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1267 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1268 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1269 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1270
1271 CC_O='-o $@'
1272
1273 host_cflags='-O3 -g -Wall'
1274 host_libs='-lm'
1275
1276 target_path='.'
1277
1278 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1279 # full relative path for objects in subdirectories for non-recursive Make.
1280 DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1281
1282 # find source path
1283 source_path="$(dirname "$0")"
1284 enable source_path_used
1285 if test -z "$source_path" -o "$source_path" = "." ; then
1286 source_path="$(pwd)"
1287 disable source_path_used
1288 else
1289 source_path="$(cd "$source_path"; pwd)"
1290 echo "$source_path" | grep -q '[[:blank:]]' &&
1291 die "Out of tree builds are impossible with whitespace in source path."
1292 test -e "$source_path/config.h" &&
1293 die "Out of tree builds are impossible with config.h in source dir."
1294 fi
1295
1296 for v in "$@"; do
1297 r=${v#*=}
1298 l=${v%"$r"}
1299 r=$(sh_quote "$r")
1300 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1301 done
1302
1303 find_things(){
1304 thing=$1
1305 pattern=$2
1306 file=$source_path/$3
1307 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1308 }
1309
1310 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1311 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1312 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1313 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1314 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1315 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1316 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1317 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1318 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1319 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1320 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1321
1322 enable $ARCH_EXT_LIST \
1323 $DECODER_LIST \
1324 $ENCODER_LIST \
1325 $HWACCEL_LIST \
1326 $PARSER_LIST \
1327 $BSF_LIST \
1328 $DEMUXER_LIST \
1329 $MUXER_LIST \
1330 $FILTER_LIST \
1331 $PROTOCOL_LIST \
1332 $INDEV_LIST \
1333 $OUTDEV_LIST \
1334
1335 die_unknown(){
1336 echo "Unknown option \"$1\"."
1337 echo "See $0 --help for available options."
1338 exit 1
1339 }
1340
1341 show_list() {
1342 suffix=_$1
1343 shift
1344 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1345 exit 0
1346 }
1347
1348 for opt do
1349 optval="${opt#*=}"
1350 case "$opt" in
1351 --extra-ldflags=*) add_ldflags $optval
1352 ;;
1353 --extra-libs=*) add_extralibs $optval
1354 ;;
1355 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1356 ;;
1357 --enable-debug=*) debuglevel="$optval"
1358 ;;
1359 --enable-*=*|--disable-*=*)
1360 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1361 case "$thing" in
1362 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1363 *) die_unknown "$opt" ;;
1364 esac
1365 ;;
1366 --enable-?*|--disable-?*)
1367 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1368 if is_in $option $COMPONENT_LIST; then
1369 test $action = disable && action=unset
1370 eval $action \$$(toupper ${option%s})_LIST
1371 elif is_in $option $CMDLINE_SELECT; then
1372 $action $option
1373 else
1374 die_unknown $opt
1375 fi
1376 ;;
1377 --list-*)
1378 NAME="${opt#--list-}"
1379 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1380 NAME=${NAME%s}
1381 eval show_list $NAME \$$(toupper $NAME)_LIST
1382 ;;
1383 --help|-h) show_help
1384 ;;
1385 *)
1386 optname="${opt%%=*}"
1387 optname="${optname#--}"
1388 optname=$(echo "$optname" | sed 's/-/_/g')
1389 is_in $optname $CMDLINE_SET || die_unknown $opt
1390 eval $optname='$optval'
1391 ;;
1392 esac
1393 done
1394
1395 disabled logging && logfile=/dev/null
1396
1397 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1398 set >> $logfile
1399
1400 test -n "$cross_prefix" && enable cross_compile
1401
1402 ar="${cross_prefix}${ar}"
1403 cc_default="${cross_prefix}${cc_default}"
1404 nm_default="${cross_prefix}${nm_default}"
1405 ranlib="${cross_prefix}${ranlib}"
1406 strip="${cross_prefix}${strip}"
1407
1408 sysinclude_default="${sysroot}/usr/include"
1409
1410 set_default cc nm sysinclude
1411 as_default=$cc
1412 enabled cross_compile || host_cc_default=$cc
1413 set_default host_cc
1414
1415 exesuf() {
1416 case $1 in
1417 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1418 esac
1419 }
1420
1421 EXESUF=$(exesuf $target_os)
1422 HOSTEXESUF=$(exesuf $host_os)
1423
1424 # set temporary file name
1425 : ${TMPDIR:=$TEMPDIR}
1426 : ${TMPDIR:=$TMP}
1427 : ${TMPDIR:=/tmp}
1428
1429 if ! check_cmd type mktemp; then
1430 # simple replacement for missing mktemp
1431 # NOT SAFE FOR GENERAL USE
1432 mktemp(){
1433 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1434 }
1435 fi
1436
1437 tmpfile(){
1438 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1439 (set -C; exec > $tmp) 2>/dev/null ||
1440 die "Unable to create temoporary file in $TMPDIR."
1441 append TMPFILES $tmp
1442 eval $1=$tmp
1443 }
1444
1445 trap 'rm -f -- $TMPFILES' EXIT
1446 trap exit HUP INT TERM
1447
1448 tmpfile TMPC .c
1449 tmpfile TMPE $EXESUF
1450 tmpfile TMPH .h
1451 tmpfile TMPO .o
1452 tmpfile TMPS .S
1453 tmpfile TMPSH .sh
1454
1455 unset -f mktemp
1456
1457 # make sure we can execute files in $TMPDIR
1458 cat > $TMPSH 2>> $logfile <<EOF
1459 #! /bin/sh
1460 EOF
1461 chmod +x $TMPSH >> $logfile 2>&1
1462 if ! $TMPSH >> $logfile 2>&1; then
1463 cat <<EOF
1464 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1465 variable to another directory and make sure that it is not mounted noexec.
1466 EOF
1467 die "Sanity test failed."
1468 fi
1469
1470 if $cc --version 2>/dev/null | grep -qi gcc; then
1471 cc_type=gcc
1472 elif $cc --version 2>/dev/null | grep -q Intel; then
1473 cc_type=icc
1474 elif $cc -v 2>&1 | grep -q xlc; then
1475 cc_type=xlc
1476 elif $cc -V 2>/dev/null | grep -q Compaq; then
1477 cc_type=ccc
1478 DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1479 debuglevel=3
1480 add_ldflags -Wl,-z,now # calls to libots crash without this
1481 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1482 test -d "$sysroot" || die "No valid sysroot specified."
1483 cc_type=armcc
1484 armcc_conf="$PWD/armcc.conf"
1485 $cc --arm_linux_configure \
1486 --arm_linux_config_file="$armcc_conf" \
1487 --configure_sysroot="$sysroot" \
1488 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1489 die "Error creating armcc configuration file."
1490 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1491 as_default="${cross_prefix}gcc"
1492 fi
1493
1494 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1495
1496 : ${dep_cc_default:=$cc}
1497 : ${ld_default:=$cc}
1498 set_default as dep_cc ld
1499
1500 add_cflags $extra_cflags
1501 add_asflags $extra_cflags
1502
1503 if test -n "$sysroot"; then
1504 case "$cc_type" in
1505 gcc)
1506 add_cppflags --sysroot="$sysroot"
1507 add_ldflags --sysroot="$sysroot"
1508 ;;
1509 esac
1510 fi
1511
1512 # compiler sanity check
1513 check_exec <<EOF
1514 int main(void){ return 0; }
1515 EOF
1516 if test "$?" != 0; then
1517 echo "$cc is unable to create an executable file."
1518 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1519 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1520 echo "Only do this if you know what cross compiling means."
1521 fi
1522 die "C compiler test failed."
1523 fi
1524
1525 check_cflags -std=c99
1526 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1527 #include <stdlib.h>
1528 EOF
1529 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1530 #include <stdlib.h>
1531 EOF
1532
1533 case "$arch" in
1534 alpha)
1535 arch="alpha"
1536 enable fast_64bit
1537 check_cflags -mieee
1538 ;;
1539 arm|armv[4567]*l)
1540 arch="arm"
1541 ;;
1542 avr32)
1543 ;;
1544 bfin)
1545 arch="bfin"
1546 ;;
1547 ia64)
1548 arch="ia64"
1549 enable fast_64bit
1550 ;;
1551 m68k)
1552 arch="m68k"
1553 ;;
1554 mips|mipsel|IP*)
1555 arch="mips"
1556 ;;
1557 mips64)
1558 arch="mips"
1559 subarch="mips64"
1560 enable fast_64bit
1561 ;;
1562 parisc|hppa)
1563 arch="parisc"
1564 ;;
1565 parisc64|hppa64)
1566 arch="parisc"
1567 enable fast_64bit
1568 ;;
1569 "Power Macintosh"|ppc|powerpc)
1570 arch="ppc"
1571 enable fast_unaligned
1572 ;;
1573 ppc64)
1574 arch="ppc"
1575 subarch="ppc64"
1576 enable fast_64bit
1577 enable fast_unaligned
1578 ;;
1579 s390|s390x)
1580 arch="s390"
1581 ;;
1582 sh4|sh)
1583 arch="sh4"
1584 ;;
1585 sparc)
1586 arch="sparc"
1587 ;;
1588 sun4u|sparc64)
1589 arch="sparc"
1590 subarch="sparc64"
1591 enable fast_64bit
1592 ;;
1593 i386|i486|i586|i686|i86pc|BePC)
1594 arch="x86"
1595 subarch="x86_32"
1596 enable fast_unaligned
1597 ;;
1598 x86_64|amd64)
1599 arch="x86"
1600 subarch="x86_32"
1601 enable cmov
1602 enable fast_cmov
1603 enable fast_unaligned
1604 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1605 int test[sizeof(char*) - 7];
1606 EOF
1607 ;;
1608 *)
1609 arch="unknown"
1610 ;;
1611 esac
1612
1613 enable $arch $subarch
1614
1615 # OS specific
1616 case $target_os in
1617 beos|haiku|zeta)
1618 prefix_default="$HOME/config"
1619 # helps building libavcodec
1620 add_cppflags -DPIC
1621 add_cflags -fomit-frame-pointer
1622 # 3 gcc releases known for BeOS, each with ugly bugs
1623 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1624 case "$gcc_version" in
1625 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1626 disable mmx
1627 ;;
1628 *20010315*) echo "BeBits gcc"
1629 add_cflags -fno-expensive-optimizations
1630 ;;
1631 esac
1632 SHFLAGS=-nostart
1633 # enable BeOS things
1634 enable audio_beos
1635 # no need for libm, but the inet stuff
1636 # Check for BONE
1637 # XXX: actually should check for NOT net_server
1638 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1639 network_extralibs="-lbind -lsocket"
1640 else
1641 enable beos_netserver
1642 network_extralibs="-lnet"
1643 fi ;;
1644 sunos)
1645 FFSERVERLDFLAGS=""
1646 SHFLAGS='-shared -Wl,-h,$$(@F)'
1647 network_extralibs="-lsocket -lnsl"
1648 add_cppflags -D__EXTENSIONS__
1649 ;;
1650 netbsd)
1651 oss_indev_extralibs="-lossaudio"
1652 oss_outdev_extralibs="-lossaudio"
1653 ;;
1654 openbsd)
1655 disable need_memalign
1656 LIBOBJFLAGS='$(PIC)'
1657 SHFLAGS='-shared'
1658 oss_indev_extralibs="-lossaudio"
1659 oss_outdev_extralibs="-lossaudio"
1660 ;;
1661 freebsd|dragonfly)
1662 disable need_memalign
1663 ;;
1664 bsd/os)
1665 osextralibs="-lpoll -lgnugetopt"
1666 strip="strip -d"
1667 ;;
1668 darwin)
1669 disable need_memalign
1670 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1671 strip="strip -x"
1672 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1673 SLIBSUF=".dylib"
1674 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1675 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1676 FFSERVERLDFLAGS=-Wl,-bind_at_load
1677 objformat="macho"
1678 enabled x86_64 && objformat="macho64"
1679 ;;
1680 mingw32*)
1681 target_os=mingw32
1682 LIBTARGET=i386
1683 if enabled x86_64; then
1684 disable need_memalign
1685 LIBTARGET=x64
1686 fi
1687 shlibdir_default="$bindir_default"
1688 disable ffserver
1689 SLIBPREF=""
1690 SLIBSUF=".dll"
1691 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1692 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1693 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1694 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1695 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1696 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1697 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1698 objformat="win32"
1699 enable dos_paths
1700 check_cflags -fno-common
1701 if ! enabled x86_64; then
1702 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1703 die "ERROR: MinGW runtime version must be >= 3.15."
1704 enabled_any avisynth vfwcap_demuxer &&
1705 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1706 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1707 fi
1708 ;;
1709 cygwin*)
1710 target_os=cygwin
1711 shlibdir_default="$bindir_default"
1712 SLIBPREF="cyg"
1713 SLIBSUF=".dll"
1714 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1715 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1716 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1717 objformat="win32"
1718 enable dos_paths
1719 check_cflags -fno-common
1720 ;;
1721 *-dos|freedos|opendos)
1722 disable ffplay ffserver
1723 disable $INDEV_LIST $OUTDEV_LIST
1724 network_extralibs="-lsocket"
1725 objformat="coff"
1726 enable dos_paths
1727 ;;
1728 linux)
1729 enable dv1394
1730 ;;
1731 irix*)
1732 target_os=irix
1733 ranlib="echo ignoring ranlib"
1734 ;;
1735 os/2*)
1736 strip="lxlite"
1737 ln_s="cp -f"
1738 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1739 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1740 FFSERVERLDFLAGS=""
1741 LIBSUF="_s.a"
1742 SLIBPREF=""
1743 SLIBSUF=".dll"
1744 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1745 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1746 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1747 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1748 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1749 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1750 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1751 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1752 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1753 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1754 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1755 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1756 enable dos_paths
1757 ;;
1758 gnu/kfreebsd)
1759 ;;
1760 gnu)
1761 ;;
1762
1763 *)
1764 die "Unknown OS '$target_os'."
1765 ;;
1766 esac
1767
1768 set_default $PATHS_LIST
1769
1770 add_extralibs $osextralibs
1771
1772 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1773 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1774
1775 # we need to build at least one lib type
1776 if ! enabled_any static shared; then
1777 cat <<EOF
1778 At least one library type must be built.
1779 Specify --enable-static to build the static libraries or --enable-shared to
1780 build the shared libraries as well. To only build the shared libraries specify
1781 --disable-static in addition to --enable-shared.
1782 EOF
1783 exit 1;
1784 fi
1785
1786 disabled static && LIBNAME=""
1787
1788 if enabled_any libfaad libfaadbin ; then
1789 if check_header faad.h; then
1790 check_cc <<EOF
1791 #include <faad.h>
1792 #ifndef FAAD2_VERSION
1793 ok faad1
1794 #endif
1795 int main(void) { return 0; }
1796 EOF
1797 test $? = 0 && enable libfaad2
1798 else
1799 die "FAAD test failed."
1800 fi
1801 fi
1802
1803
1804 die_license_disabled() {
1805 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1806 }
1807
1808 die_license_disabled gpl libfaad2
1809 die_license_disabled gpl libx264
1810 die_license_disabled gpl libxvid
1811 die_license_disabled gpl postproc
1812 die_license_disabled gpl x11grab
1813
1814 die_license_disabled nonfree libfaac
1815
1816 die_license_disabled version3 libopencore_amrnb
1817 die_license_disabled version3 libopencore_amrwb
1818
1819 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1820
1821 check_deps $ARCH_EXT_LIST
1822
1823 test -z "$need_memalign" && need_memalign="$mmx"
1824
1825 #Darwin CC versions
1826 if test $target_os = darwin; then
1827 if enabled xlc; then
1828 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1829 else
1830 add_cflags -pipe
1831 check_cflags -force_cpusubtype_ALL
1832 check_cflags -Wno-sign-compare
1833 enabled shared || check_cflags -mdynamic-no-pic
1834 fi
1835 fi
1836
1837 disabled optimizations || check_cflags -fomit-frame-pointer
1838
1839 # Add processor-specific flags
1840 if test $cpu != "generic"; then
1841 warn_altivec(){
1842 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1843 }
1844 case $cpu in
1845 601|ppc601|PowerPC601)
1846 cpuflags="-mcpu=601"
1847 warn_altivec enabled PPC601
1848 ;;
1849 603*|ppc603*|PowerPC603*)
1850 cpuflags="-mcpu=603"
1851 warn_altivec enabled PPC603
1852 ;;
1853 604*|ppc604*|PowerPC604*)
1854 cpuflags="-mcpu=604"
1855 warn_altivec enabled PPC604
1856 ;;
1857 G3|g3|75*|ppc75*|PowerPC75*)
1858 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1859 warn_altivec enabled PPC75x
1860 ;;
1861 G4|g4|745*|ppc745*|PowerPC745*)
1862 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1863 warn_altivec disabled PPC745x
1864 ;;
1865 74*|ppc74*|PowerPC74*)
1866 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1867 warn_altivec disabled PPC74xx
1868 ;;
1869 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1870 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1871 warn_altivec disabled PPC970
1872 ;;
1873 Cell|CELL|cell)
1874 cpuflags="-mcpu=cell"
1875 warn_altivec disabled Cell
1876 enable ldbrx
1877 ;;
1878 # targets that do NOT support conditional mov (cmov)
1879 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1880 cpuflags="-march=$cpu"
1881 disable cmov
1882 ;;
1883 # targets that do support conditional mov (cmov)
1884 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1885 cpuflags="-march=$cpu"
1886 enable cmov
1887 enable fast_cmov
1888 ;;
1889 # targets that do support conditional mov but on which it's slow
1890 pentium4|pentium4m|prescott|nocona)
1891 cpuflags="-march=$cpu"
1892 enable cmov
1893 disable fast_cmov
1894 ;;
1895 sparc64)
1896 cpuflags="-mcpu=v9"
1897 ;;
1898 arm11*|cortex*)
1899 cpuflags="-mcpu=$cpu"
1900 enable fast_unaligned
1901 ;;
1902 armv[67]*)
1903 cpuflags="-march=$cpu"
1904 enable fast_unaligned
1905 ;;
1906 armv*)
1907 cpuflags="-march=$cpu"
1908 ;;
1909 arm*)
1910 cpuflags="-mcpu=$cpu"
1911 ;;
1912 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1913 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1914 ;;
1915 bf*)
1916 cpuflags="-mcpu=$cpu"
1917 ;;
1918 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1919 cpuflags="-march=$cpu"
1920 ;;
1921 *)
1922 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1923 ;;
1924 esac
1925 fi
1926
1927 add_cflags $cpuflags
1928 add_asflags $cpuflags
1929
1930 check_cc <<EOF || die "Symbol mangling check failed."
1931 int ff_extern;
1932 EOF
1933 sym=$($nm -P -g $TMPO | grep ff_extern)
1934 extern_prefix=${sym%%ff_extern*}
1935
1936 check_cc <<EOF && enable inline_asm
1937 void foo(void) { __asm__ volatile ("" ::); }
1938 EOF
1939
1940 if enabled x86; then
1941 # check whether EBP is available on x86
1942 # As 'i' is stored on the stack, this program will crash
1943 # if the base pointer is used to access it because the
1944 # base pointer is cleared in the inline assembly code.
1945 check_exec_crash <<EOF && enable ebp_available
1946 volatile int i=0;
1947 __asm__ volatile (
1948 "xorl %%ebp, %%ebp"
1949 ::: "%ebp");
1950 return i;
1951 EOF
1952
1953 # check wether EBX is available on x86
1954 check_asm ebx_available '"":::"%ebx"'
1955
1956 # check whether more than 10 operands are supported
1957 check_cc <<EOF && enable ten_operands
1958 int main(void) {
1959 int x=0;
1960 __asm__ volatile(
1961 ""
1962 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1963 );
1964 return 0;
1965 }
1966 EOF
1967
1968 # check whether binutils is new enough to compile SSSE3/MMX2
1969 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1970 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1971
1972 check_asm bswap '"bswap %%eax" ::: "%eax"'
1973
1974 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1975 enabled x86_64 && append YASMFLAGS "-m amd64"
1976 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1977 case "$objformat" in
1978 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1979 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1980 *) append YASMFLAGS "-DPREFIX" ;;
1981 esac
1982 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1983 fi
1984
1985 # check for assembler specific support
1986
1987 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1988
1989 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1990 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1991 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1992
1993 # check for SIMD availability
1994
1995 # AltiVec flags: The FSF version of GCC differs from the Apple version
1996 if enabled altivec; then
1997 check_cflags -maltivec -mabi=altivec &&
1998 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1999 check_cflags -faltivec
2000
2001 # check if our compiler supports Motorola AltiVec C API
2002 check_cc <<EOF || disable altivec
2003 $inc_altivec_h
2004 int main(void) {
2005 vector signed int v1, v2, v3;
2006 v1 = vec_add(v2,v3);
2007 return 0;
2008 }
2009 EOF
2010
2011 # check if our compiler supports braces for vector declarations
2012 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2013 $inc_altivec_h
2014 int main (void) { (vector int) {1}; return 0; }
2015 EOF
2016 fi
2017
2018 # We have to check if pld is a nop and disable it.
2019 enabled arm && check_asm pld '"pld [r0]"'
2020 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2021 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2022 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2023 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2024 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2025 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2026 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2027 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2028
2029 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2030
2031 # ---
2032 # big/little-endian test
2033 check_cc <<EOF || die "endian test failed"
2034 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2035 EOF
2036 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2037
2038 # ---
2039 # check availability of some header files
2040
2041 if check_func dlopen; then
2042 ldl=
2043 elif check_func dlopen -ldl; then
2044 ldl=-ldl
2045 fi
2046
2047 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2048 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2049
2050 check_func fork
2051 check_func gethrtime
2052 check_func getrusage
2053 check_func inet_aton $network_extralibs
2054 check_func memalign
2055 check_func mkstemp
2056 check_func posix_memalign
2057 check_func_headers io.h setmode
2058 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2059 check_func_headers windows.h GetProcessTimes
2060 check_func_headers windows.h VirtualAlloc
2061
2062 check_header conio.h
2063 check_header dlfcn.h
2064 check_header malloc.h
2065 check_header poll.h
2066 check_header sys/mman.h
2067 check_header sys/resource.h
2068 check_header sys/select.h
2069 check_header termios.h
2070 check_header vdpau/vdpau.h
2071 check_header vdpau/vdpau_x11.h
2072 check_header X11/extensions/XvMClib.h
2073
2074 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2075 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2076 fi
2077
2078 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2079 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2080
2081 # check for some common methods of building with pthread support
2082 # do this before the optional library checks as some of them require pthreads
2083 if enabled pthreads; then
2084 if check_func pthread_create; then
2085 :
2086 elif check_func pthread_create -pthread; then
2087 add_cflags -pthread
2088 add_extralibs -pthread
2089 elif check_func pthread_create -pthreads; then
2090 add_cflags -pthreads
2091 add_extralibs -pthreads
2092 elif check_func pthread_create -lpthreadGC2; then
2093 add_extralibs -lpthreadGC2
2094 elif ! check_lib pthread.h pthread_create -lpthread; then
2095 die "ERROR: can't find pthreads library"
2096 fi
2097 fi
2098
2099 for thread in $THREADS_LIST; do
2100 if enabled $thread; then
2101 test -n "$thread_type" &&
2102 die "ERROR: Only one thread type must be selected." ||
2103 thread_type="$thread"
2104 fi
2105 done
2106
2107 check_lib math.h sin -lm
2108 check_lib va/va.h vaInitialize -lva
2109
2110 # test for C99 functions in math.h
2111 for func in llrint log2 lrint lrintf round roundf truncf; do
2112 check_exec <<EOF && enable $func || disable $func
2113 #include <math.h>
2114 int main(void) { return ($func(3.999f) > 0)?0:1; }
2115 EOF
2116 done
2117
2118 # these are off by default, so fail if requested and not available
2119 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2120 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2121 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2122 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2123 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2124 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2125 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2126 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2127 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2128 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2129 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2130 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2131 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2132 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2133 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2134 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2135 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2136 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2137 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2138 die "ERROR: libx264 version must be >= 0.65."; }
2139 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2140 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2141
2142 # libdc1394 check
2143 if enabled libdc1394; then
2144 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2145 enable libdc1394_2; } ||
2146 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2147 enable libdc1394_1; } ||
2148 die "ERROR: No version of libdc1394 found "
2149 fi
2150
2151
2152 _restrict=
2153 for restrict_keyword in restrict __restrict__ __restrict; do
2154 check_cc <<EOF && _restrict=$restrict_keyword && break
2155 void foo(char * $restrict_keyword p);
2156 EOF
2157 done
2158
2159 ##########################################
2160 # SDL check
2161
2162 disable sdl_too_old
2163 disable sdl
2164 SDL_CONFIG="${cross_prefix}sdl-config"
2165 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2166 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2167 temp_cflags $sdl_cflags
2168 temp_extralibs $("${SDL_CONFIG}" --libs)
2169 if check_lib2 SDL.h SDL_Init; then
2170 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2171 if test "$_sdlversion" -lt 121 ; then
2172 enable sdl_too_old
2173 else
2174 enable sdl
2175 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2176 #include <SDL.h>
2177 int main(int argc, char **argv){
2178 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2179 int w = vi->current_w;
2180 return 0;
2181 }
2182 EOF
2183 fi
2184 fi
2185 restore_flags
2186 fi
2187
2188 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2189
2190 ##########################################
2191 # Network check
2192
2193 if enabled network; then
2194 check_type "sys/types.h sys/socket.h" socklen_t
2195 # Prefer arpa/inet.h over winsock2
2196 if check_header arpa/inet.h ; then
2197 check_func closesocket
2198 elif check_header winsock2.h ; then
2199 network_extralibs="-lws2_32"
2200 check_type ws2tcpip.h socklen_t
2201 check_func_headers winsock2.h closesocket
2202 else
2203 disable network
2204 fi
2205 fi
2206
2207 ##########################################
2208 # IPv6 check
2209
2210 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2211 #include <sys/types.h>
2212 #include <sys/socket.h>
2213 #include <netinet/in.h>
2214 #include <netdb.h>
2215 int main(void) {
2216 struct sockaddr_storage saddr;
2217 struct ipv6_mreq mreq6;
2218 getaddrinfo(0,0,0,0);
2219 getnameinfo(0,0,0,0,0,0,0);
2220 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2221 }
2222 EOF
2223
2224 check_header linux/videodev.h
2225 check_header linux/videodev2.h
2226 check_header sys/videoio.h
2227
2228 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2229
2230 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2231 { check_header dev/bktr/ioctl_meteor.h &&
2232 check_header dev/bktr/ioctl_bt848.h; } ||
2233 { check_header machine/ioctl_meteor.h &&
2234 check_header machine/ioctl_bt848.h; } ||
2235 { check_header dev/video/meteor/ioctl_meteor.h &&
2236 check_header dev/video/bktr/ioctl_bt848.h; } ||
2237 check_header dev/ic/bt8xx.h
2238
2239 check_header sys/soundcard.h
2240 check_header soundcard.h
2241
2242 enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2243
2244 enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2245
2246 # deal with the X11 frame grabber
2247 enabled x11grab &&
2248 check_header X11/Xlib.h &&
2249 check_header X11/extensions/XShm.h &&
2250 check_func XOpenDisplay -lX11 &&
2251 check_func XShmCreateImage -lX11 -lXext
2252
2253 enabled debug && add_cflags -g"$debuglevel"
2254
2255 # add some useful compiler flags if supported
2256 check_cflags -Wdeclaration-after-statement
2257 check_cflags -Wall
2258 check_cflags -Wno-switch
2259 check_cflags -Wdisabled-optimization
2260 check_cflags -Wpointer-arith
2261 check_cflags -Wredundant-decls
2262 check_cflags -Wno-pointer-sign
2263 check_cflags -Wcast-qual
2264 check_cflags -Wwrite-strings
2265 check_cflags -Wtype-limits
2266 check_cflags -Wundef
2267 enabled extra_warnings && check_cflags -Winline
2268
2269 # add some linker flags
2270 check_ldflags -Wl,--warn-common
2271 check_ldflags -Wl,--as-needed
2272 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'
2273 check_ldflags -Wl,-Bsymbolic
2274
2275 if enabled small; then
2276 check_cflags -Os # not all compilers support -Os
2277 optimizations="small"
2278 elif enabled optimizations; then
2279 if enabled xlc; then
2280 add_cflags -O5
2281 add_ldflags -O5
2282 elif enabled ccc; then
2283 add_cflags -fast
2284 else
2285 add_cflags -O3
2286 fi
2287 fi
2288 check_cflags -fno-math-errno
2289 check_cflags -fno-signed-zeros
2290
2291 # add some flags for Intel C Compiler
2292 if enabled icc; then
2293 # Just warnings, no remarks
2294 check_cflags -w1
2295 # -wd: Disable following warnings
2296 # 144, 167, 556: -Wno-pointer-sign
2297 # 10006: ignoring unknown option -fno-signed-zeros
2298 # 10156: ignoring option '-W'; no argument required
2299 check_cflags -wd144,167,556,10006,10156
2300 # 11030: Warning unknown option --as-needed
2301 # 10156: ignoring option '-export'; no argument required
2302 check_ldflags -wd10156,11030
2303 # Allow to compile with optimizations
2304 check_ldflags -march=$cpu
2305 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2306 enable ebp_available
2307 elif enabled ccc; then
2308 # disable some annoying warnings
2309 add_cflags -msg_disable cvtu32to64
2310 add_cflags -msg_disable embedcomment
2311 add_cflags -msg_disable needconstext
2312 add_cflags -msg_disable nomainieee
2313 add_cflags -msg_disable ptrmismatch1
2314 add_cflags -msg_disable unreachcode
2315 fi
2316
2317 # PIC flags for shared library objects where they are needed
2318 if enabled shared; then
2319 # LIBOBJFLAGS may have already been set in the OS configuration
2320 if test -z "$LIBOBJFLAGS" ; then
2321 case "${subarch-$arch}" in
2322 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2323 esac
2324 fi
2325 fi
2326
2327 if enabled gprof; then
2328 add_cflags -p
2329 add_ldflags -p
2330 fi
2331
2332 # Find out if the .align argument is a power of two or not.
2333 check_asm asmalign_pot '".align 3"'
2334
2335 enabled_any $DECODER_LIST && enable decoders
2336 enabled_any $ENCODER_LIST && enable encoders
2337 enabled_any $HWACCEL_LIST && enable hwaccels
2338 enabled_any $BSF_LIST && enable bsfs
2339 enabled_any $DEMUXER_LIST && enable demuxers
2340 enabled_any $MUXER_LIST && enable muxers
2341 enabled_any $FILTER_LIST && enable filters
2342 enabled_any $INDEV_LIST && enable demuxers
2343 enabled_any $OUTDEV_LIST && enable muxers
2344 enabled_any $PROTOCOL_LIST && enable protocols
2345
2346 enabled_any $THREADS_LIST && enable threads
2347
2348 check_deps $CONFIG_LIST \
2349 $CONFIG_EXTRA \
2350 $HAVE_LIST \
2351 $DECODER_LIST \
2352 $ENCODER_LIST \
2353 $HWACCEL_LIST \
2354 $PARSER_LIST \
2355 $BSF_LIST \
2356 $DEMUXER_LIST \
2357 $MUXER_LIST \
2358 $FILTER_LIST \
2359 $INDEV_LIST \
2360 $OUTDEV_LIST \
2361 $PROTOCOL_LIST \
2362
2363 echo "install prefix $prefix"
2364 echo "source path $source_path"
2365 echo "C compiler $cc"
2366 echo ".align is power-of-two $asmalign_pot"
2367 echo "ARCH $arch ($cpu)"
2368 if test "$build_suffix" != ""; then
2369 echo "build suffix $build_suffix"
2370 fi
2371 if test "$extra_version" != ""; then
2372 echo "version string suffix $extra_version"
2373 fi
2374 echo "big-endian ${bigendian-no}"
2375 echo "runtime cpu detection ${runtime_cpudetect-no}"
2376 if enabled x86; then
2377 echo "yasm ${yasm-no}"
2378 echo "MMX enabled ${mmx-no}"
2379 echo "MMX2 enabled ${mmx2-no}"
2380 echo "3DNow! enabled ${amd3dnow-no}"
2381 echo "3DNow! extended enabled ${amd3dnowext-no}"
2382 echo "SSE enabled ${sse-no}"
2383 echo "SSSE3 enabled ${ssse3-no}"
2384 echo "CMOV enabled ${cmov-no}"
2385 echo "CMOV is fast ${fast_cmov-no}"
2386 echo "EBX available ${ebx_available-no}"
2387 echo "EBP available ${ebp_available-no}"
2388 echo "10 operands supported ${ten_operands-no}"
2389 fi
2390 if enabled arm; then
2391 echo "ARMv5TE enabled ${armv5te-no}"
2392 echo "ARMv6 enabled ${armv6-no}"
2393 echo "ARMv6T2 enabled ${armv6t2-no}"
2394 echo "ARM VFP enabled ${armvfp-no}"
2395 echo "IWMMXT enabled ${iwmmxt-no}"
2396 echo "NEON enabled ${neon-no}"
2397 fi
2398 if enabled mips; then
2399 echo "MMI enabled ${mmi-no}"
2400 fi
2401 if enabled ppc; then
2402 echo "AltiVec enabled ${altivec-no}"
2403 echo "PPC 4xx optimizations ${ppc4xx-no}"
2404 echo "dcbzl available ${dcbzl-no}"
2405 echo "performance report ${powerpc_perf-no}"
2406 fi
2407 if enabled sparc; then
2408 echo "VIS enabled ${vis-no}"
2409 fi
2410 echo "gprof enabled ${gprof-no}"
2411 echo "debug symbols ${debug-no}"
2412 echo "strip symbols ${stripping-no}"
2413 echo "optimizations ${optimizations-no}"
2414 echo "static ${static-no}"
2415 echo "shared ${shared-no}"
2416 echo "postprocessing support ${postproc-no}"
2417 echo "new filter support ${avfilter-no}"
2418 echo "filters using lavformat ${avfilter_lavf-no}"
2419 echo "network support ${network-no}"
2420 if enabled network; then
2421 echo "IPv6 support ${ipv6-no}"
2422 fi
2423 echo "threading support ${thread_type-no}"
2424 echo "SDL support ${sdl-no}"
2425 if enabled sdl_too_old; then
2426 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2427 fi
2428 echo "Sun medialib support ${mlib-no}"
2429 echo "AVISynth enabled ${avisynth-no}"
2430 echo "libdc1394 support ${libdc1394-no}"
2431 echo "libdirac enabled ${libdirac-no}"
2432 echo "libfaac enabled ${libfaac-no}"
2433 echo "libfaad enabled ${libfaad-no}"
2434 echo "libfaad dlopened ${libfaadbin-no}"
2435 echo "libgsm enabled ${libgsm-no}"
2436 echo "libmp3lame enabled ${libmp3lame-no}"
2437 echo "libnut enabled ${libnut-no}"
2438 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2439 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2440 echo "libopenjpeg enabled ${libopenjpeg-no}"
2441 echo "libschroedinger enabled ${libschroedinger-no}"
2442 echo "libspeex enabled ${libspeex-no}"
2443 echo "libtheora enabled ${libtheora-no}"
2444 echo "libvorbis enabled ${libvorbis-no}"
2445 echo "libx264 enabled ${libx264-no}"
2446 echo "libxvid enabled ${libxvid-no}"
2447 echo "zlib enabled ${zlib-no}"
2448 echo "bzlib enabled ${bzlib-no}"
2449 echo
2450
2451 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2452 echo "Enabled ${type}s:"
2453 eval list=\$$(toupper $type)_LIST
2454 for part in $list; do
2455 enabled $part && echo ${part%_*}
2456 done | sort | pr -3 -t
2457 echo
2458 done
2459
2460 license="LGPL version 2.1 or later"
2461 if enabled nonfree; then
2462 license="nonfree and unredistributable"
2463 elif enabled gplv3; then
2464 license="GPL version 3 or later"
2465 elif enabled lgplv3; then
2466 license="LGPL version 3 or later"
2467 elif enabled gpl; then
2468 license="GPL version 2 or later"
2469 fi
2470
2471 echo "License: $license"
2472
2473 echo "Creating config.mak and config.h..."
2474
2475 echo "# Automatically generated by configure - do not modify!" > config.mak
2476 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2477 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2478 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2479 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2480 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2481
2482 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2483 echo "prefix=$prefix" >> config.mak
2484 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2485 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2486 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2487 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2488 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2489 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2490 echo "SRC_PATH=\"$source_path\"" >> config.mak
2491 echo "SRC_PATH_BARE=$source_path" >> config.mak
2492 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2493 echo "CC=$cc" >> config.mak
2494 echo "AS=$as" >> config.mak
2495 echo "LD=$ld" >> config.mak
2496 echo "DEPCC=$dep_cc" >> config.mak
2497 echo "YASM=$yasmexe" >> config.mak
2498 echo "AR=$ar" >> config.mak
2499 echo "RANLIB=$ranlib" >> config.mak
2500 echo "LN_S=$ln_s" >> config.mak
2501 enabled stripping &&
2502 echo "STRIP=$strip" >> config.mak ||
2503 echo "STRIP=echo ignoring strip" >> config.mak
2504
2505 echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2506 echo "CFLAGS=$CFLAGS" >> config.mak
2507 echo "ASFLAGS=$ASFLAGS" >> config.mak
2508 echo "CC_O=$CC_O" >> config.mak
2509 echo "LDFLAGS=$LDFLAGS" >> config.mak
2510 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2511 echo "SHFLAGS=$SHFLAGS" >> config.mak
2512 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2513 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2514 echo "BUILD_STATIC=$static" >> config.mak
2515 echo "BUILDSUF=$build_suffix" >> config.mak
2516 echo "FULLNAME=$FULLNAME" >> config.mak
2517 echo "LIBPREF=$LIBPREF" >> config.mak
2518 echo "LIBSUF=$LIBSUF" >> config.mak
2519 echo "LIBNAME=$LIBNAME" >> config.mak
2520 echo "SLIBPREF=$SLIBPREF" >> config.mak
2521 echo "SLIBSUF=$SLIBSUF" >> config.mak
2522 echo "EXESUF=$EXESUF" >> config.mak
2523 echo "EXTRA_VERSION=$extra_version" >> config.mak
2524 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2525 echo "HOSTCC=$host_cc" >> config.mak
2526 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2527 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2528 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2529 echo "HOSTLIBS=$host_libs" >> config.mak
2530 echo "TARGET_EXEC=$target_exec" >> config.mak
2531 echo "TARGET_PATH=$target_path" >> config.mak
2532
2533 if enabled bigendian; then
2534 echo "WORDS_BIGENDIAN=yes" >> config.mak
2535 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2536 fi
2537
2538 if enabled sdl; then
2539 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2540 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2541 fi
2542 if enabled texi2html; then
2543 echo "BUILD_DOC=yes" >> config.mak
2544 fi
2545
2546 get_version(){
2547 name=$1
2548 file=$source_path/$2
2549 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2550 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2551 lcname=$(tolower $name)
2552 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2553 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2554 }
2555
2556 get_version LIBSWSCALE libswscale/swscale.h
2557 get_version LIBPOSTPROC libpostproc/postprocess.h
2558 get_version LIBAVCODEC libavcodec/avcodec.h
2559 get_version LIBAVDEVICE libavdevice/avdevice.h
2560 get_version LIBAVFORMAT libavformat/avformat.h
2561 get_version LIBAVUTIL libavutil/avutil.h
2562 get_version LIBAVFILTER libavfilter/avfilter.h
2563
2564 if enabled shared; then
2565 echo "BUILD_SHARED=yes" >> config.mak
2566 echo "PIC=-fPIC -DPIC" >> config.mak
2567 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2568 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2569 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2570 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2571 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2572 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2573 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2574 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2575 fi
2576 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2577 echo "EXTRALIBS=$extralibs" >> config.mak
2578
2579 echo "ARCH=$arch" >> config.mak
2580
2581 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2582 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2583 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2584 $CONFIG_EXTRA \
2585 $DECODER_LIST \
2586 $ENCODER_LIST \
2587 $HWACCEL_LIST \
2588 $PARSER_LIST \
2589 $BSF_LIST \
2590 $DEMUXER_LIST \
2591 $MUXER_LIST \
2592 $FILTER_LIST \
2593 $PROTOCOL_LIST \
2594 $INDEV_LIST \
2595 $OUTDEV_LIST \
2596
2597 echo "#define restrict $_restrict" >> $TMPH
2598
2599 if enabled small; then
2600 echo "#define av_always_inline" >> $TMPH
2601 fi
2602
2603
2604 # Apparently it's not possible to portably echo a backslash.
2605 enabled asmalign_pot &&
2606 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2607 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2608
2609 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2610
2611 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2612
2613 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2614 cmp -s $TMPH config.h &&
2615 echo "config.h is unchanged" ||
2616 mv -f $TMPH config.h
2617
2618 # build tree in object directory if source path is different from current one
2619 if enabled source_path_used; then
2620 DIRS="\
2621 doc \
2622 libavcodec \
2623 libavcodec/alpha \
2624 libavcodec/arm \
2625 libavcodec/bfin \
2626 libavcodec/mlib \
2627 libavcodec/ppc \
2628 libavcodec/sh4 \
2629 libavcodec/sparc \
2630 libavcodec/x86 \
2631 libavdevice \
2632 libavfilter \
2633 libavformat \
2634 libavutil \
2635 libpostproc \
2636 libswscale \
2637 libswscale/bfin \
2638 libswscale/mlib \
2639 libswscale/ppc \
2640 libswscale/sparc \
2641 libswscale/x86 \
2642 tests \
2643 tools \
2644 "
2645 FILES="\
2646 Makefile \
2647 common.mak \
2648 subdir.mak \
2649 doc/texi2pod.pl \
2650 libavcodec/Makefile \
2651 libavdevice/Makefile \
2652 libavfilter/Makefile \
2653 libavformat/Makefile \
2654 libavutil/Makefile \
2655 libpostproc/Makefile \
2656 libswscale/Makefile \
2657 "
2658 for dir in $DIRS ; do
2659 mkdir -p $dir
2660 done
2661 for f in $FILES ; do
2662 $ln_s "$source_path/$f" $f
2663 done
2664 fi
2665
2666
2667 # build pkg-config files
2668
2669 pkgconfig_generate(){
2670 name=$1
2671 shortname=${name#lib}${build_suffix}
2672 comment=$2
2673 version=$3
2674 libs=$4
2675 requires=$5
2676 cat <<EOF > $name/$name.pc
2677 prefix=$prefix
2678 exec_prefix=\${prefix}
2679 libdir=$libdir
2680 includedir=$incdir
2681
2682 Name: $name
2683 Description: $comment
2684 Version: $version
2685 Requires: $(disabled shared && echo $requires)
2686 Requires.private: $(enabled shared && echo $requires)
2687 Conflicts:
2688 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2689 Libs.private: $(enabled shared && echo $libs)
2690 Cflags: -I\${includedir}
2691 EOF
2692 cat <<EOF > $name/$name-uninstalled.pc
2693 prefix=
2694 exec_prefix=
2695 libdir=\${pcfiledir}
2696 includedir=${source_path}
2697
2698 Name: $name
2699 Description: $comment
2700 Version: $version
2701 Requires: $requires
2702 Conflicts:
2703 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2704 Cflags: -I\${includedir}
2705 EOF
2706 }
2707
2708 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2709 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2710 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2711 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2712 enabled avfilter &&
2713 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2714 enabled postproc &&
2715 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2716 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"