Check for the isatty function.
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
72 echo
73 echo "Configuration options:"
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-version3 upgrade (L)GPL to version 3 [no]"
79 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
80 echo " and binaries will be unredistributable [no]"
81 echo " --disable-ffmpeg disable ffmpeg build"
82 echo " --disable-ffplay disable ffplay build"
83 echo " --disable-ffserver disable ffserver build"
84 echo " --enable-postproc enable GPLed postprocessing support [no]"
85 echo " --enable-avfilter video filter support [no]"
86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
87 echo " --enable-beosthreads use BeOS threads [no]"
88 echo " --enable-os2threads use OS/2 threads [no]"
89 echo " --enable-pthreads use pthreads [no]"
90 echo " --enable-w32threads use Win32 threads [no]"
91 echo " --enable-x11grab enable X11 grabbing [no]"
92 echo " --disable-network disable network support [no]"
93 echo " --disable-ipv6 disable IPv6 support [no]"
94 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
95 echo " --enable-gray enable full grayscale support (slower color)"
96 echo " --disable-swscale-alpha disable alpha channel support in swscale"
97 echo " --disable-fastdiv disable table-based division"
98 echo " --enable-small optimize for size instead of speed"
99 echo " --disable-aandct disable AAN DCT code"
100 echo " --disable-fft disable FFT code"
101 echo " --disable-golomb disable Golomb code"
102 echo " --disable-mdct disable MDCT code"
103 echo " --disable-rdft disable RDFT code"
104 echo " --disable-vaapi disable VAAPI code"
105 echo " --disable-vdpau disable VDPAU code"
106 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
107 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
108 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
109 echo " --enable-beos-netserver enable BeOS netserver"
110 echo " --disable-encoder=NAME disable encoder NAME"
111 echo " --enable-encoder=NAME enable encoder NAME"
112 echo " --disable-encoders disable all encoders"
113 echo " --disable-decoder=NAME disable decoder NAME"
114 echo " --enable-decoder=NAME enable decoder NAME"
115 echo " --disable-decoders disable all decoders"
116 echo " --disable-hwaccel=NAME disable hwaccel NAME"
117 echo " --enable-hwaccel=NAME enable hwaccel NAME"
118 echo " --disable-hwaccels disable all hwaccels"
119 echo " --disable-muxer=NAME disable muxer NAME"
120 echo " --enable-muxer=NAME enable muxer NAME"
121 echo " --disable-muxers disable all muxers"
122 echo " --disable-demuxer=NAME disable demuxer NAME"
123 echo " --enable-demuxer=NAME enable demuxer NAME"
124 echo " --disable-demuxers disable all demuxers"
125 echo " --enable-parser=NAME enable parser NAME"
126 echo " --disable-parser=NAME disable parser NAME"
127 echo " --disable-parsers disable all parsers"
128 echo " --enable-bsf=NAME enable bitstream filter NAME"
129 echo " --disable-bsf=NAME disable bitstream filter NAME"
130 echo " --disable-bsfs disable all bitstream filters"
131 echo " --enable-protocol=NAME enable protocol NAME"
132 echo " --disable-protocol=NAME disable protocol NAME"
133 echo " --disable-protocols disable all protocols"
134 echo " --disable-indev=NAME disable input device NAME"
135 echo " --disable-outdev=NAME disable output device NAME"
136 echo " --disable-indevs disable input devices"
137 echo " --disable-outdevs disable output devices"
138 echo " --disable-devices disable all devices"
139 echo " --enable-filter=NAME enable filter NAME"
140 echo " --disable-filter=NAME disable filter NAME"
141 echo " --disable-filters disable all filters"
142 echo " --list-decoders show all available decoders"
143 echo " --list-encoders show all available encoders"
144 echo " --list-hwaccels show all available hardware accelerators"
145 echo " --list-muxers show all available muxers"
146 echo " --list-demuxers show all available demuxers"
147 echo " --list-parsers show all available parsers"
148 echo " --list-protocols show all available protocols"
149 echo " --list-bsfs show all available bitstream filters"
150 echo " --list-indevs show all available input devices"
151 echo " --list-outdevs show all available output devices"
152 echo " --list-filters show all available filters"
153 echo
154 echo "External library support:"
155 echo " --enable-avisynth enable reading of AVISynth script files [no]"
156 echo " --enable-bzlib enable bzlib [autodetect]"
157 echo " --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
158 echo " --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
159 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
160 echo " and libraw1394 [no]"
161 echo " --enable-libdirac enable Dirac support via libdirac [no]"
162 echo " --enable-libfaac enable FAAC support via libfaac [no]"
163 echo " --enable-libfaad enable FAAD support via libfaad [no]"
164 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
165 echo " --enable-libgsm enable GSM support via libgsm [no]"
166 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
167 echo " --enable-libnut enable NUT (de)muxing via libnut,"
168 echo " native (de)muxer exists [no]"
169 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
170 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
171 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
172 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
173 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
174 echo " native implementation exists [no]"
175 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
176 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
177 echo " native MPEG-4/Xvid encoder exists [no]"
178 echo " --enable-mlib enable Sun medialib [no]"
179 echo " --enable-zlib enable zlib [autodetect]"
180 echo ""
181 echo "Advanced options (experts only):"
182 echo " --source-path=PATH path to source code [$source_path]"
183 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
184 echo " --enable-cross-compile assume a cross-compiler is used"
185 echo " --sysroot=PATH root of cross-build tree"
186 echo " --sysinclude=PATH location of cross-build system headers"
187 echo " --target-os=OS compiler targets OS [$target_os]"
188 echo " --target-exec=CMD command to run executables on target"
189 echo " --target-path=DIR path to view of build directory on target"
190 echo " --nm=NM use nm tool"
191 echo " --as=AS use assembler AS [$as_default]"
192 echo " --cc=CC use C compiler CC [$cc_default]"
193 echo " --ld=LD use linker LD"
194 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
195 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
196 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
197 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
198 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
199 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
200 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
201 echo " --extra-version=STRING version string suffix []"
202 echo " --build-suffix=SUFFIX library name suffix []"
203 echo " --arch=ARCH select architecture [$arch]"
204 echo " --cpu=CPU select the minimum required CPU (affects"
205 echo " instruction selection, may crash on older CPUs)"
206 echo " --enable-powerpc-perf enable performance report on PPC"
207 echo " (requires enabling PMC)"
208 echo " --disable-altivec disable AltiVec optimizations"
209 echo " --disable-amd3dnow disable 3DNow! optimizations"
210 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
211 echo " --disable-mmx disable MMX optimizations"
212 echo " --disable-mmx2 disable MMX2 optimizations"
213 echo " --disable-sse disable SSE optimizations"
214 echo " --disable-ssse3 disable SSSE3 optimizations"
215 echo " --disable-armv5te disable armv5te optimizations"
216 echo " --disable-armv6 disable armv6 optimizations"
217 echo " --disable-armv6t2 disable armv6t2 optimizations"
218 echo " --disable-armvfp disable ARM VFP optimizations"
219 echo " --disable-iwmmxt disable iwmmxt optimizations"
220 echo " --disable-mmi disable MMI optimizations"
221 echo " --disable-neon disable neon optimizations"
222 echo " --disable-vis disable VIS optimizations"
223 echo " --disable-yasm disable use of yasm assembler"
224 echo
225 echo "Developer options (useful when working on FFmpeg itself):"
226 echo " --disable-debug disable debugging symbols"
227 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
228 echo " --enable-gprof enable profiling with gprof [$gprof]"
229 echo " --disable-optimizations disable compiler optimizations"
230 echo " --enable-extra-warnings enable more compiler warnings"
231 echo " --disable-stripping disable stripping of executables and shared libraries"
232 echo ""
233 echo "NOTE: Object files are built at the place where configure is launched."
234 exit 0
235 }
236
237 log(){
238 echo "$@" >> $logfile
239 }
240
241 log_file(){
242 log BEGIN $1
243 pr -n -t $1 >> $logfile
244 log END $1
245 }
246
247 echolog(){
248 log "$@"
249 echo "$@"
250 }
251
252 die(){
253 echolog "$@"
254 cat <<EOF
255
256 If you think configure made a mistake, make sure you are using the latest
257 version from SVN. If the latest version fails, report the problem to the
258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
259 EOF
260 if disabled logging; then
261 cat <<EOF
262 Rerun configure with logging enabled (do not use --disable-logging), and
263 include the log this produces with your report.
264 EOF
265 else
266 cat <<EOF
267 Include the log file "$logfile" produced by configure as this will help
268 solving the problem.
269 EOF
270 fi
271 exit 1
272 }
273
274 # Avoid locale weirdness, besides we really just want to translate ASCII.
275 toupper(){
276 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
277 }
278
279 tolower(){
280 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
281 }
282
283 c_escape(){
284 echo "$*" | sed 's/["\\]/\\\0/g'
285 }
286
287 sh_quote(){
288 v=$(echo "$1" | sed "s/'/'\\\\''/g")
289 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
290 echo "$v"
291 }
292
293 set_all(){
294 value=$1
295 shift
296 for var in $*; do
297 eval $var=$value
298 done
299 }
300
301 set_weak(){
302 value=$1
303 shift
304 for var; do
305 eval : \${$var:=$value}
306 done
307 }
308
309 pushvar(){
310 for var in $*; do
311 eval level=\${${var}_level:=0}
312 eval ${var}_${level}="\$$var"
313 eval ${var}_level=$(($level+1))
314 done
315 }
316
317 popvar(){
318 for var in $*; do
319 eval level=\${${var}_level:-0}
320 test $level = 0 && continue
321 eval level=$(($level-1))
322 eval $var="\${${var}_${level}}"
323 eval ${var}_level=$level
324 eval unset ${var}_${level}
325 done
326 }
327
328 enable(){
329 set_all yes $*
330 }
331
332 disable(){
333 set_all no $*
334 }
335
336 enable_weak(){
337 set_weak yes $*
338 }
339
340 disable_weak(){
341 set_weak no $*
342 }
343
344 enable_safe(){
345 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
346 }
347
348 disable_safe(){
349 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
350 }
351
352 do_enable_deep(){
353 for var; do
354 enabled $var && continue
355 eval sel="\$${var}_select"
356 eval sgs="\$${var}_suggest"
357 pushvar var sgs
358 enable_deep $sel
359 popvar sgs
360 enable_deep_weak $sgs
361 popvar var
362 done
363 }
364
365 enable_deep(){
366 do_enable_deep $*
367 enable $*
368 }
369
370 enable_deep_weak(){
371 do_enable_deep $*
372 enable_weak $*
373 }
374
375 enabled(){
376 test "${1#!}" = "$1" && op== || op=!=
377 eval test "x\$${1#!}" $op "xyes"
378 }
379
380 disabled(){
381 test "${1#!}" = "$1" && op== || op=!=
382 eval test "x\$${1#!}" $op "xno"
383 }
384
385 enabled_all(){
386 for opt; do
387 enabled $opt || return 1
388 done
389 }
390
391 disabled_all(){
392 for opt; do
393 disabled $opt || return 1
394 done
395 }
396
397 enabled_any(){
398 for opt; do
399 enabled $opt && return 0
400 done
401 }
402
403 disabled_any(){
404 for opt; do
405 disabled $opt && return 0
406 done
407 return 1
408 }
409
410 set_default(){
411 for opt; do
412 eval : \${$opt:=\$${opt}_default}
413 done
414 }
415
416 is_in(){
417 value=$1
418 shift
419 for var in $*; do
420 [ $var = $value ] && return 0
421 done
422 return 1
423 }
424
425 check_deps(){
426 for cfg; do
427 cfg="${cfg#!}"
428 enabled ${cfg}_checking && die "Circular dependency for $cfg."
429 disabled ${cfg}_checking && continue
430 enable ${cfg}_checking
431
432 eval dep_all="\$${cfg}_deps"
433 eval dep_any="\$${cfg}_deps_any"
434 eval dep_sel="\$${cfg}_select"
435 eval dep_sgs="\$${cfg}_suggest"
436
437 pushvar cfg dep_all dep_any dep_sel dep_sgs
438 check_deps $dep_all $dep_any $dep_sel $dep_sgs
439 popvar cfg dep_all dep_any dep_sel dep_sgs
440
441 enabled_all $dep_all || disable $cfg
442 enabled_any $dep_any || disable $cfg
443 disabled_any $dep_sel && disable $cfg
444
445 if enabled $cfg; then
446 eval dep_extralibs="\$${cfg}_extralibs"
447 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
448 enable_deep $dep_sel
449 enable_deep_weak $dep_sgs
450 fi
451
452 disable ${cfg}_checking
453 done
454 }
455
456 print_config(){
457 pfx=$1
458 header=$2
459 makefile=$3
460 shift 3
461 for cfg; do
462 ucname="$(toupper $cfg)"
463 if enabled $cfg; then
464 echo "#define ${pfx}${ucname} 1" >> $header
465 echo "${pfx}${ucname}=yes" >> $makefile
466 else
467 echo "#define ${pfx}${ucname} 0" >> $header
468 fi
469 done
470 }
471
472 flags_saved(){
473 (: ${SAVE_CFLAGS?}) 2> /dev/null
474 }
475
476 save_flags(){
477 flags_saved && return
478 SAVE_CFLAGS="$CFLAGS"
479 SAVE_LDFLAGS="$LDFLAGS"
480 SAVE_extralibs="$extralibs"
481 }
482
483 restore_flags(){
484 flags_saved || return
485 CFLAGS="$SAVE_CFLAGS"
486 LDFLAGS="$SAVE_LDFLAGS"
487 extralibs="$SAVE_extralibs"
488 unset SAVE_CFLAGS
489 unset SAVE_LDFLAGS
490 unset SAVE_extralibs
491 }
492
493 temp_cflags(){
494 save_flags
495 CFLAGS="$CFLAGS $*"
496 }
497
498 temp_ldflags(){
499 save_flags
500 LDFLAGS="$LDFLAGS $*"
501 }
502
503 temp_extralibs(){
504 save_flags
505 extralibs="$extralibs $*"
506 }
507
508 append(){
509 var=$1
510 shift
511 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
512 eval "$var=\"\$$var $*\""
513 }
514
515 add_cppflags(){
516 append CPPFLAGS $($filter_cppflags "$@")
517 }
518
519 add_cflags(){
520 append CFLAGS $($filter_cflags "$@")
521 }
522
523 add_asflags(){
524 append ASFLAGS $($filter_asflags "$@")
525 }
526
527 add_ldflags(){
528 append LDFLAGS "$@"
529 }
530
531 add_extralibs(){
532 append extralibs "$@"
533 }
534
535 check_cmd(){
536 log "$@"
537 "$@" >> $logfile 2>&1
538 }
539
540 check_cc(){
541 log check_cc "$@"
542 cat > $TMPC
543 log_file $TMPC
544 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
545 }
546
547 check_cpp(){
548 log check_cpp "$@"
549 cat > $TMPC
550 log_file $TMPC
551 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
552 }
553
554 check_as(){
555 log check_as "$@"
556 cat > $TMPC
557 log_file $TMPC
558 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
559 }
560
561 check_asm(){
562 log check_asm "$@"
563 name="$1"
564 asm="$2"
565 shift 2
566 check_as "$@" <<EOF && enable $name || disable $name
567 void foo(void){ __asm__ volatile($asm); }
568 EOF
569 }
570
571 check_yasm(){
572 log check_yasm "$@"
573 echo "$1" > $TMPS
574 log_file $TMPS
575 shift 1
576 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
577 }
578
579 check_ld(){
580 log check_ld "$@"
581 check_cc || return
582 flags=''
583 libs=''
584 for f; do
585 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
586 done
587 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
588 }
589
590 check_cppflags(){
591 log check_cppflags "$@"
592 set -- $($filter_cppflags "$@")
593 check_cc "$@" <<EOF && append CPPFLAGS "$@"
594 int x;
595 EOF
596 }
597
598 check_cflags(){
599 log check_cflags "$@"
600 set -- $($filter_cflags "$@")
601 check_cc "$@" <<EOF && append CFLAGS "$@"
602 int x;
603 EOF
604 }
605
606 check_ldflags(){
607 log check_ldflags "$@"
608 check_ld "$@" <<EOF && add_ldflags "$@"
609 int main(void){ return 0; }
610 EOF
611 }
612
613 check_header(){
614 log check_header "$@"
615 header=$1
616 shift
617 disable_safe $header
618 check_cpp "$@" <<EOF && enable_safe $header
619 #include <$header>
620 int x;
621 EOF
622 }
623
624 check_func(){
625 log check_func "$@"
626 func=$1
627 shift
628 disable $func
629 check_ld "$@" <<EOF && enable $func
630 extern int $func();
631 int main(void){ $func(); }
632 EOF
633 }
634
635 check_func_headers(){
636 log check_func_headers "$@"
637 headers=$1
638 func=$2
639 shift 2
640 disable $func
641 incs=""
642 for hdr in $headers; do
643 incs="$incs
644 #include <$hdr>"
645 done
646 check_ld "$@" <<EOF && enable $func && enable_safe $headers
647 $incs
648 int main(int argc, char **argv){
649 return (long) $func;
650 }
651 EOF
652 }
653
654 check_cpp_condition(){
655 log check_cpp_condition "$@"
656 header=$1
657 condition=$2
658 check_cpp <<EOF
659 #include <$header>
660 #if !($condition)
661 #error "unsatisfied condition: $condition"
662 #endif
663 EOF
664 }
665
666 check_lib(){
667 log check_lib "$@"
668 header="$1"
669 func="$2"
670 shift 2
671 temp_extralibs "$@"
672 check_header $header && check_func $func && add_extralibs "$@"
673 err=$?
674 restore_flags
675 return $err
676 }
677
678 check_lib2(){
679 log check_lib2 "$@"
680 headers="$1"
681 func="$2"
682 shift 2
683 temp_extralibs "$@"
684 check_func_headers "$headers" $func && add_extralibs "$@"
685 err=$?
686 restore_flags
687 return $err
688 }
689
690 check_exec(){
691 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
692 }
693
694 check_exec_crash(){
695 code=$(cat)
696
697 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
698 # are safe but may not be available everywhere. Thus we use
699 # raise(SIGTERM) instead. The check is run in a subshell so we
700 # can redirect the "Terminated" message from the shell. SIGBUS
701 # is not defined by standard C so it is used conditionally.
702
703 (check_exec "$@") >> $logfile 2>&1 <<EOF
704 #include <signal.h>
705 static void sighandler(int sig){
706 raise(SIGTERM);
707 }
708 int main(void){
709 signal(SIGILL, sighandler);
710 signal(SIGFPE, sighandler);
711 signal(SIGSEGV, sighandler);
712 #ifdef SIGBUS
713 signal(SIGBUS, sighandler);
714 #endif
715 { $code }
716 }
717 EOF
718 }
719
720 check_type(){
721 log check_type "$@"
722 headers=$1
723 type=$2
724 shift 2
725 disable $type
726 incs=""
727 for hdr in $headers; do
728 incs="$incs
729 #include <$hdr>"
730 done
731 check_cc "$@" <<EOF && enable $type
732 $incs
733 $type v;
734 EOF
735 }
736
737 require(){
738 name="$1"
739 header="$2"
740 func="$3"
741 shift 3
742 check_lib $header $func "$@" || die "ERROR: $name not found"
743 }
744
745 require2(){
746 name="$1"
747 headers="$2"
748 func="$3"
749 shift 3
750 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
751 }
752
753 check_foo_config(){
754 cfg=$1
755 pkg=$2
756 header=$3
757 func=$4
758 shift 4
759 disable $cfg
760 check_cmd ${pkg}-config --version
761 err=$?
762 if test "$err" = 0; then
763 temp_cflags $(${pkg}-config --cflags)
764 temp_extralibs $(${pkg}-config --libs)
765 check_lib "$@" $header $func && enable $cfg
766 fi
767 return $err
768 }
769
770 apply(){
771 file=$1
772 shift
773 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
774 }
775
776 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
777 # system-dependent things.
778
779 COMPONENT_LIST="
780 bsfs
781 decoders
782 demuxers
783 encoders
784 filters
785 hwaccels
786 indevs
787 muxers
788 outdevs
789 parsers
790 protocols
791 "
792
793 CONFIG_LIST="
794 $COMPONENT_LIST
795 aandct
796 avfilter
797 avfilter_lavf
798 avisynth
799 beos_netserver
800 bzlib
801 fastdiv
802 ffmpeg
803 ffplay
804 ffserver
805 fft
806 golomb
807 gpl
808 gprof
809 gray
810 hardcoded_tables
811 ipv6
812 libdc1394
813 libdirac
814 libfaac
815 libfaad
816 libfaadbin
817 libgsm
818 libmp3lame
819 libnut
820 libopencore_amrnb
821 libopencore_amrwb
822 libopenjpeg
823 libschroedinger
824 libspeex
825 libtheora
826 libvorbis
827 libx264
828 libxvid
829 mdct
830 memalign_hack
831 mlib
832 mpegaudio_hp
833 network
834 nonfree
835 postproc
836 powerpc_perf
837 rdft
838 runtime_cpudetect
839 shared
840 small
841 static
842 swscale_alpha
843 vaapi
844 vdpau
845 version3
846 x11grab
847 zlib
848 "
849
850 THREADS_LIST='
851 beosthreads
852 os2threads
853 pthreads
854 w32threads
855 '
856
857 ARCH_LIST='
858 alpha
859 arm
860 bfin
861 ia64
862 m68k
863 mips
864 mips64
865 parisc
866 ppc
867 ppc64
868 s390
869 sh4
870 sparc
871 sparc64
872 x86
873 x86_32
874 x86_64
875 '
876
877 ARCH_EXT_LIST='
878 altivec
879 amd3dnow
880 amd3dnowext
881 armv5te
882 armv6
883 armv6t2
884 armvfp
885 iwmmxt
886 mmi
887 mmx
888 mmx2
889 neon
890 ppc4xx
891 sse
892 ssse3
893 vis
894 '
895
896 HAVE_LIST="
897 $ARCH_EXT_LIST
898 $THREADS_LIST
899 alsa_asoundlib_h
900 altivec_h
901 arpa_inet_h
902 attribute_packed
903 bigendian
904 bswap
905 closesocket
906 cmov
907 conio_h
908 dcbzl
909 dev_bktr_ioctl_bt848_h
910 dev_bktr_ioctl_meteor_h
911 dev_ic_bt8xx_h
912 dev_video_meteor_ioctl_meteor_h
913 dev_video_bktr_ioctl_bt848_h
914 dlfcn_h
915 dlopen
916 dos_paths
917 ebp_available
918 ebx_available
919 fast_64bit
920 fast_cmov
921 fast_unaligned
922 fork
923 gethrtime
924 GetProcessTimes
925 getrusage
926 inet_aton
927 inline_asm
928 isatty
929 ldbrx
930 libdc1394_1
931 libdc1394_2
932 llrint
933 log2
934 loongson
935 lrint
936 lrintf
937 lzo1x_999_compress
938 machine_ioctl_bt848_h
939 machine_ioctl_meteor_h
940 malloc_h
941 memalign
942 mkstemp
943 pld
944 posix_memalign
945 round
946 roundf
947 sdl
948 sdl_video_size
949 setmode
950 socklen_t
951 soundcard_h
952 poll_h
953 sys_mman_h
954 sys_resource_h
955 sys_select_h
956 sys_soundcard_h
957 sys_videoio_h
958 ten_operands
959 termios_h
960 threads
961 truncf
962 vfp_args
963 VirtualAlloc
964 winsock2_h
965 xform_asm
966 yasm
967 "
968
969 # options emitted with CONFIG_ prefix but not available on command line
970 CONFIG_EXTRA="
971 gplv3
972 lgplv3
973 "
974
975 CMDLINE_SELECT="
976 $ARCH_EXT_LIST
977 $CONFIG_LIST
978 $THREADS_LIST
979 cross_compile
980 debug
981 extra_warnings
982 logging
983 optimizations
984 stripping
985 yasm
986 "
987
988 PATHS_LIST='
989 bindir
990 datadir
991 incdir
992 libdir
993 mandir
994 prefix
995 shlibdir
996 '
997
998 CMDLINE_SET="
999 $PATHS_LIST
1000 arch
1001 as
1002 build_suffix
1003 cc
1004 cpu
1005 cross_prefix
1006 dep_cc
1007 extra_version
1008 host_cc
1009 host_cflags
1010 host_ldflags
1011 host_libs
1012 host_os
1013 ld
1014 logfile
1015 nm
1016 source_path
1017 sysinclude
1018 sysroot
1019 target_exec
1020 target_os
1021 target_path
1022 "
1023
1024 CMDLINE_APPEND="
1025 extra_cflags
1026 "
1027
1028 # code dependency declarations
1029
1030 # architecture extensions
1031 altivec_deps="ppc"
1032 amd3dnow_deps="mmx"
1033 amd3dnowext_deps="amd3dnow"
1034 armv5te_deps="arm"
1035 armv6_deps="arm"
1036 armv6t2_deps="arm"
1037 armvfp_deps="arm"
1038 iwmmxt_deps="arm"
1039 mmi_deps="mips"
1040 mmx_deps="x86"
1041 mmx2_deps="mmx"
1042 neon_deps="arm"
1043 ppc4xx_deps="ppc"
1044 sse_deps="mmx"
1045 ssse3_deps="sse"
1046 vis_deps="sparc"
1047
1048 need_memalign="altivec neon sse"
1049 inline_asm_deps="!tms470"
1050
1051 # decoders / encoders / hardware accelerators
1052 aac_decoder_select="fft mdct"
1053 ac3_decoder_select="fft mdct"
1054 atrac3_decoder_select="fft mdct"
1055 cavs_decoder_select="golomb"
1056 cook_decoder_select="fft mdct"
1057 cscd_decoder_suggest="zlib"
1058 dca_decoder_select="fft mdct"
1059 dnxhd_encoder_select="aandct"
1060 dxa_decoder_select="zlib"
1061 eac3_decoder_select="ac3_decoder"
1062 eatgq_decoder_select="aandct"
1063 eatqi_decoder_select="aandct"
1064 ffv1_decoder_select="golomb"
1065 flac_decoder_select="golomb"
1066 flac_encoder_select="golomb"
1067 flashsv_decoder_select="zlib"
1068 flashsv_encoder_select="zlib"
1069 flv_encoder_select="aandct"
1070 h261_encoder_select="aandct"
1071 h263_encoder_select="aandct"
1072 h263_vaapi_hwaccel_deps="va_va_h"
1073 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1074 h263p_encoder_select="aandct"
1075 h264_decoder_select="golomb"
1076 h264_vaapi_hwaccel_deps="va_va_h"
1077 h264_vaapi_hwaccel_select="vaapi"
1078 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1079 h264_vdpau_decoder_select="vdpau h264_decoder"
1080 imc_decoder_select="fft mdct"
1081 jpegls_decoder_select="golomb"
1082 jpegls_encoder_select="golomb"
1083 ljpeg_encoder_select="aandct"
1084 loco_decoder_select="golomb"
1085 mjpeg_encoder_select="aandct"
1086 mpeg1video_encoder_select="aandct"
1087 mpeg2video_encoder_select="aandct"
1088 mpeg4_encoder_select="aandct"
1089 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1090 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1091 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1092 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1093 mpeg2_vaapi_hwaccel_deps="va_va_h"
1094 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1095 mpeg4_vaapi_hwaccel_deps="va_va_h"
1096 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1097 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1098 msmpeg4v1_encoder_select="aandct"
1099 msmpeg4v2_encoder_select="aandct"
1100 msmpeg4v3_encoder_select="aandct"
1101 nellymoser_decoder_select="fft mdct"
1102 nellymoser_encoder_select="fft mdct"
1103 png_decoder_select="zlib"
1104 png_encoder_select="zlib"
1105 qdm2_decoder_select="fft mdct rdft"
1106 rv10_encoder_select="aandct"
1107 rv20_encoder_select="aandct"
1108 rv30_decoder_select="golomb"
1109 rv40_decoder_select="golomb"
1110 shorten_decoder_select="golomb"
1111 sonic_decoder_select="golomb"
1112 sonic_encoder_select="golomb"
1113 sonic_ls_encoder_select="golomb"
1114 svq3_decoder_select="golomb"
1115 svq3_decoder_suggest="zlib"
1116 theora_decoder_select="vp3_decoder"
1117 tiff_decoder_suggest="zlib"
1118 tiff_encoder_suggest="zlib"
1119 tscc_decoder_select="zlib"
1120 vc1_vaapi_hwaccel_deps="va_va_h"
1121 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1122 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1123 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1124 vorbis_decoder_select="fft mdct"
1125 vorbis_encoder_select="fft mdct"
1126 vp6a_decoder_select="vp6_decoder"
1127 vp6f_decoder_select="vp6_decoder"
1128 wmav1_decoder_select="fft mdct"
1129 wmav1_encoder_select="fft mdct"
1130 wmav2_decoder_select="fft mdct"
1131 wmav2_encoder_select="fft mdct"
1132 wmv1_encoder_select="aandct"
1133 wmv2_encoder_select="aandct"
1134 wmv3_decoder_select="vc1_decoder"
1135 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1136 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1137 zlib_decoder_select="zlib"
1138 zlib_encoder_select="zlib"
1139 zmbv_decoder_select="zlib"
1140 zmbv_encoder_select="zlib"
1141
1142 # parsers
1143 h264_parser_select="golomb"
1144
1145 # external libraries
1146 libdirac_decoder_deps="libdirac !libschroedinger"
1147 libdirac_encoder_deps="libdirac"
1148 libfaac_encoder_deps="libfaac"
1149 libfaad_decoder_deps="libfaad"
1150 libfaadbin_decoder_extralibs='$ldl'
1151 libgsm_decoder_deps="libgsm"
1152 libgsm_encoder_deps="libgsm"
1153 libgsm_ms_decoder_deps="libgsm"
1154 libgsm_ms_encoder_deps="libgsm"
1155 libmp3lame_encoder_deps="libmp3lame"
1156 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1157 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1158 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1159 libopenjpeg_decoder_deps="libopenjpeg"
1160 libschroedinger_decoder_deps="libschroedinger"
1161 libschroedinger_encoder_deps="libschroedinger"
1162 libspeex_decoder_deps="libspeex"
1163 libtheora_encoder_deps="libtheora"
1164 libvorbis_encoder_deps="libvorbis"
1165 libx264_encoder_deps="libx264"
1166 libxvid_encoder_deps="libxvid"
1167
1168 # demuxers / muxers
1169 ac3_demuxer_deps="ac3_parser"
1170 asf_stream_muxer_select="asf_muxer"
1171 avisynth_demuxer_deps="avisynth"
1172 dirac_demuxer_deps="dirac_parser"
1173 ipod_muxer_select="mov_muxer"
1174 libnut_demuxer_deps="libnut"
1175 libnut_muxer_deps="libnut"
1176 matroska_audio_muxer_select="matroska_muxer"
1177 matroska_demuxer_suggest="zlib bzlib"
1178 mov_demuxer_suggest="zlib"
1179 mp3_demuxer_deps="mpegaudio_parser"
1180 mp4_muxer_select="mov_muxer"
1181 mpegtsraw_demuxer_select="mpegts_demuxer"
1182 mxf_d10_muxer_select="mxf_muxer"
1183 psp_muxer_select="mov_muxer"
1184 redir_demuxer_deps="network"
1185 rtp_muxer_deps="network rtp_protocol"
1186 rtsp_demuxer_deps="sdp_demuxer"
1187 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1188 tg2_muxer_select="mov_muxer"
1189 tgp_muxer_select="mov_muxer"
1190
1191 # indevs / outdevs
1192 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1193 alsa_indev_extralibs="-lasound"
1194 alsa_outdev_deps="alsa_asoundlib_h"
1195 alsa_outdev_extralibs="-lasound"
1196 audio_beos_indev_deps="audio_beos"
1197 audio_beos_indev_extralibs="-lmedia -lbe"
1198 audio_beos_outdev_deps="audio_beos"
1199 audio_beos_outdev_extralibs="-lmedia -lbe"
1200 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1201 dv1394_indev_deps="dv1394 dv_demuxer"
1202 jack_indev_deps="jack_jack_h"
1203 jack_indev_extralibs="-ljack"
1204 libdc1394_indev_deps="libdc1394"
1205 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1206 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1207 v4l_indev_deps="linux_videodev_h"
1208 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1209 vfwcap_indev_deps="capCreateCaptureWindow"
1210 vfwcap_indev_extralibs="-lvfw32"
1211 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1212 x11_grab_device_indev_extralibs="-lX11 -lXext"
1213
1214 # protocols
1215 gopher_protocol_deps="network"
1216 http_protocol_deps="network"
1217 rtp_protocol_deps="udp_protocol"
1218 tcp_protocol_deps="network"
1219 udp_protocol_deps="network"
1220
1221 # filters
1222 movie_filter_deps="avfilter_lavf"
1223
1224 # programs
1225 ffplay_deps="sdl"
1226 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1227 ffserver_extralibs='$ldl'
1228
1229
1230 # default parameters
1231
1232 logfile="config.err"
1233
1234 # installation paths
1235 prefix_default="/usr/local"
1236 bindir_default='${prefix}/bin'
1237 datadir_default='${prefix}/share/ffmpeg'
1238 incdir_default='${prefix}/include'
1239 libdir_default='${prefix}/lib'
1240 mandir_default='${prefix}/share/man'
1241 shlibdir_default="$libdir_default"
1242
1243 # toolchain
1244 ar="ar"
1245 cc_default="gcc"
1246 host_cc_default="gcc"
1247 ln_s="ln -sf"
1248 nm_default="nm"
1249 objformat="elf"
1250 ranlib="ranlib"
1251 strip="strip"
1252 yasmexe="yasm"
1253
1254 # machine
1255 arch=$(uname -m)
1256 cpu="generic"
1257
1258 # OS
1259 target_os=$(tolower $(uname -s))
1260 host_os=$target_os
1261
1262 # configurable options
1263 enable debug
1264 enable fastdiv
1265 enable ffmpeg
1266 enable ffplay
1267 enable ffserver
1268 enable ipv6
1269 enable mpegaudio_hp
1270 enable network
1271 enable optimizations
1272 enable protocols
1273 enable static
1274 enable stripping
1275 enable swscale_alpha
1276
1277 # build settings
1278 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1279 FFSERVERLDFLAGS=-Wl,-E
1280 LIBPREF="lib"
1281 LIBSUF=".a"
1282 FULLNAME='$(NAME)$(BUILDSUF)'
1283 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1284 SLIBPREF="lib"
1285 SLIBSUF=".so"
1286 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1287 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1288 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1289 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1290
1291 CC_O='-o $@'
1292
1293 host_cflags='-O3 -g -Wall'
1294 host_libs='-lm'
1295
1296 target_path='.'
1297
1298 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1299 # full relative path for objects in subdirectories for non-recursive Make.
1300 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1301 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1302
1303 # find source path
1304 source_path="$(dirname "$0")"
1305 enable source_path_used
1306 if test -f configure; then
1307 source_path="$(pwd)"
1308 disable source_path_used
1309 else
1310 source_path="$(cd "$source_path"; pwd)"
1311 echo "$source_path" | grep -q '[[:blank:]]' &&
1312 die "Out of tree builds are impossible with whitespace in source path."
1313 test -e "$source_path/config.h" &&
1314 die "Out of tree builds are impossible with config.h in source dir."
1315 fi
1316
1317 for v in "$@"; do
1318 r=${v#*=}
1319 l=${v%"$r"}
1320 r=$(sh_quote "$r")
1321 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1322 done
1323
1324 find_things(){
1325 thing=$1
1326 pattern=$2
1327 file=$source_path/$3
1328 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1329 }
1330
1331 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1332 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1333 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1334 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1335 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1336 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1337 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1338 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1339 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1340 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1341 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1342
1343 enable $ARCH_EXT_LIST \
1344 $DECODER_LIST \
1345 $ENCODER_LIST \
1346 $HWACCEL_LIST \
1347 $PARSER_LIST \
1348 $BSF_LIST \
1349 $DEMUXER_LIST \
1350 $MUXER_LIST \
1351 $FILTER_LIST \
1352 $PROTOCOL_LIST \
1353 $INDEV_LIST \
1354 $OUTDEV_LIST \
1355
1356 die_unknown(){
1357 echo "Unknown option \"$1\"."
1358 echo "See $0 --help for available options."
1359 exit 1
1360 }
1361
1362 show_list() {
1363 suffix=_$1
1364 shift
1365 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1366 exit 0
1367 }
1368
1369 for opt do
1370 optval="${opt#*=}"
1371 case "$opt" in
1372 --extra-ldflags=*) add_ldflags $optval
1373 ;;
1374 --extra-libs=*) add_extralibs $optval
1375 ;;
1376 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1377 ;;
1378 --enable-debug=*) debuglevel="$optval"
1379 ;;
1380 --enable-*=*|--disable-*=*)
1381 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1382 case "$thing" in
1383 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1384 *) die_unknown "$opt" ;;
1385 esac
1386 ;;
1387 --enable-?*|--disable-?*)
1388 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1389 if is_in $option $COMPONENT_LIST; then
1390 test $action = disable && action=unset
1391 eval $action \$$(toupper ${option%s})_LIST
1392 elif is_in $option $CMDLINE_SELECT; then
1393 $action $option
1394 else
1395 die_unknown $opt
1396 fi
1397 ;;
1398 --list-*)
1399 NAME="${opt#--list-}"
1400 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1401 NAME=${NAME%s}
1402 eval show_list $NAME \$$(toupper $NAME)_LIST
1403 ;;
1404 --help|-h) show_help
1405 ;;
1406 *)
1407 optname="${opt%%=*}"
1408 optname="${optname#--}"
1409 optname=$(echo "$optname" | sed 's/-/_/g')
1410 if is_in $optname $CMDLINE_SET; then
1411 eval $optname='$optval'
1412 elif is_in $optname $CMDLINE_APPEND; then
1413 append $optname "$optval"
1414 else
1415 die_unknown $opt
1416 fi
1417 ;;
1418 esac
1419 done
1420
1421 disabled logging && logfile=/dev/null
1422
1423 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1424 set >> $logfile
1425
1426 test -n "$cross_prefix" && enable cross_compile
1427
1428 ar="${cross_prefix}${ar}"
1429 cc_default="${cross_prefix}${cc_default}"
1430 nm_default="${cross_prefix}${nm_default}"
1431 ranlib="${cross_prefix}${ranlib}"
1432 strip="${cross_prefix}${strip}"
1433
1434 sysinclude_default="${sysroot}/usr/include"
1435
1436 set_default cc nm sysinclude
1437 enabled cross_compile || host_cc_default=$cc
1438 set_default host_cc
1439
1440 exesuf() {
1441 case $1 in
1442 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1443 esac
1444 }
1445
1446 EXESUF=$(exesuf $target_os)
1447 HOSTEXESUF=$(exesuf $host_os)
1448
1449 # set temporary file name
1450 : ${TMPDIR:=$TEMPDIR}
1451 : ${TMPDIR:=$TMP}
1452 : ${TMPDIR:=/tmp}
1453
1454 if ! check_cmd type mktemp; then
1455 # simple replacement for missing mktemp
1456 # NOT SAFE FOR GENERAL USE
1457 mktemp(){
1458 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1459 }
1460 fi
1461
1462 tmpfile(){
1463 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1464 (set -C; exec > $tmp) 2>/dev/null ||
1465 die "Unable to create temoporary file in $TMPDIR."
1466 append TMPFILES $tmp
1467 eval $1=$tmp
1468 }
1469
1470 trap 'rm -f -- $TMPFILES' EXIT
1471 trap exit HUP INT TERM
1472
1473 tmpfile TMPC .c
1474 tmpfile TMPE $EXESUF
1475 tmpfile TMPH .h
1476 tmpfile TMPO .o
1477 tmpfile TMPS .S
1478 tmpfile TMPSH .sh
1479
1480 unset -f mktemp
1481
1482 # make sure we can execute files in $TMPDIR
1483 cat > $TMPSH 2>> $logfile <<EOF
1484 #! /bin/sh
1485 EOF
1486 chmod +x $TMPSH >> $logfile 2>&1
1487 if ! $TMPSH >> $logfile 2>&1; then
1488 cat <<EOF
1489 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1490 variable to another directory and make sure that it is not mounted noexec.
1491 EOF
1492 die "Sanity test failed."
1493 fi
1494
1495 filter_cflags=echo
1496 filter_cppflags=echo
1497 filter_asflags=echo
1498
1499 if $cc --version 2>/dev/null | grep -qi gcc; then
1500 cc_type=gcc
1501 elif $cc --version 2>/dev/null | grep -q Intel; then
1502 cc_type=icc
1503 elif $cc -v 2>&1 | grep -q xlc; then
1504 cc_type=xlc
1505 elif $cc -V 2>/dev/null | grep -q Compaq; then
1506 cc_type=ccc
1507 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1508 debuglevel=3
1509 add_ldflags -Wl,-z,now # calls to libots crash without this
1510 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1511 test -d "$sysroot" || die "No valid sysroot specified."
1512 cc_type=armcc
1513 armcc_conf="$PWD/armcc.conf"
1514 $cc --arm_linux_configure \
1515 --arm_linux_config_file="$armcc_conf" \
1516 --configure_sysroot="$sysroot" \
1517 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1518 die "Error creating armcc configuration file."
1519 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1520 as_default="${cross_prefix}gcc"
1521 elif $cc -version 2>/dev/null | grep -q TMS470; then
1522 cc_type=tms470
1523 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1524 CC_O='-fr=$(@D)'
1525 as_default="${cross_prefix}gcc"
1526 ld_default="${cross_prefix}gcc"
1527 dep_cc_default="${cross_prefix}gcc"
1528 TMPO=$(basename $TMPC .c).o
1529 append TMPFILES $TMPO
1530 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1531 DEPFLAGS='$(CPPFLAGS) -MM'
1532 filter_cflags=tms470_flags
1533 tms470_flags(){
1534 for flag; do
1535 case $flag in
1536 -march=*|-mcpu=*)
1537 case "${flag#*=}" in
1538 armv7-a|cortex-a*) echo -mv=7a8 ;;
1539 armv7-r|cortex-r*) echo -mv=7r4 ;;
1540 armv7-m|cortex-m*) echo -mv=7m3 ;;
1541 armv6*|arm11*) echo -mv=6 ;;
1542 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1543 echo -mv=5e ;;
1544 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1545 esac
1546 ;;
1547 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1548 -mfpu=vfp) echo --float_support=vfpv2 ;;
1549 -mfpu=softvfp) echo --float_support=vfplib ;;
1550 -Os) echo -O3 -mf=2 ;;
1551 -O[0-3]) echo $flag -mf=5 ;;
1552 -g) echo -g -mn ;;
1553 esac
1554 done
1555 }
1556 fi
1557
1558 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1559
1560 : ${as_default:=$cc}
1561 : ${dep_cc_default:=$cc}
1562 : ${ld_default:=$cc}
1563 set_default as dep_cc ld
1564
1565 add_cflags $extra_cflags
1566 add_asflags $extra_cflags
1567
1568 if test -n "$sysroot"; then
1569 case "$cc_type" in
1570 gcc)
1571 add_cppflags --sysroot="$sysroot"
1572 add_ldflags --sysroot="$sysroot"
1573 ;;
1574 tms470)
1575 add_cppflags -I"$sysinclude"
1576 add_ldflags --sysroot="$sysroot"
1577 ;;
1578 esac
1579 fi
1580
1581 # Add processor-specific flags
1582 case $cpu in
1583 601|ppc601|PowerPC601)
1584 cpuflags="-mcpu=601"
1585 ;;
1586 603*|ppc603*|PowerPC603*)
1587 cpuflags="-mcpu=603"
1588 ;;
1589 604*|ppc604*|PowerPC604*)
1590 cpuflags="-mcpu=604"
1591 ;;
1592 G3|g3|75*|ppc75*|PowerPC75*)
1593 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1594 ;;
1595 G4|g4|745*|ppc745*|PowerPC745*)
1596 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1597 ;;
1598 74*|ppc74*|PowerPC74*)
1599 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1600 ;;
1601 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1602 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1603 ;;
1604 Cell|CELL|cell)
1605 cpuflags="-mcpu=cell"
1606 enable ldbrx
1607 ;;
1608 # targets that do NOT support conditional mov (cmov)
1609 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1610 cpuflags="-march=$cpu"
1611 disable cmov
1612 ;;
1613 # targets that do support conditional mov (cmov)
1614 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1615 cpuflags="-march=$cpu"
1616 enable cmov
1617 enable fast_cmov
1618 ;;
1619 # targets that do support conditional mov but on which it's slow
1620 pentium4|pentium4m|prescott|nocona)
1621 cpuflags="-march=$cpu"
1622 enable cmov
1623 disable fast_cmov
1624 ;;
1625 sparc64)
1626 cpuflags="-mcpu=v9"
1627 ;;
1628 arm11*|cortex*)
1629 cpuflags="-mcpu=$cpu"
1630 enable fast_unaligned
1631 ;;
1632 armv[67]*)
1633 cpuflags="-march=$cpu"
1634 enable fast_unaligned
1635 ;;
1636 armv*)
1637 cpuflags="-march=$cpu"
1638 ;;
1639 arm*)
1640 cpuflags="-mcpu=$cpu"
1641 ;;
1642 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1643 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1644 ;;
1645 bf*)
1646 cpuflags="-mcpu=$cpu"
1647 ;;
1648 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1649 cpuflags="-march=$cpu"
1650 ;;
1651 generic)
1652 ;;
1653 *)
1654 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1655 ;;
1656 esac
1657
1658 add_cflags $cpuflags
1659 add_asflags $cpuflags
1660
1661 # compiler sanity check
1662 check_exec <<EOF
1663 int main(void){ return 0; }
1664 EOF
1665 if test "$?" != 0; then
1666 echo "$cc is unable to create an executable file."
1667 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1668 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1669 echo "Only do this if you know what cross compiling means."
1670 fi
1671 die "C compiler test failed."
1672 fi
1673
1674 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1675 check_cflags -std=c99
1676 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1677 #include <stdlib.h>
1678 EOF
1679 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1680 #include <stdlib.h>
1681 EOF
1682
1683 case "$arch" in
1684 alpha)
1685 arch="alpha"
1686 enable fast_64bit
1687 check_cflags -mieee
1688 ;;
1689 arm|armv[4567]*l)
1690 arch="arm"
1691 ;;
1692 avr32)
1693 ;;
1694 bfin)
1695 arch="bfin"
1696 ;;
1697 ia64)
1698 arch="ia64"
1699 enable fast_64bit
1700 ;;
1701 m68k)
1702 arch="m68k"
1703 ;;
1704 mips|mipsel|IP*)
1705 arch="mips"
1706 ;;
1707 mips64)
1708 arch="mips"
1709 subarch="mips64"
1710 enable fast_64bit
1711 ;;
1712 parisc|hppa)
1713 arch="parisc"
1714 ;;
1715 parisc64|hppa64)
1716 arch="parisc"
1717 enable fast_64bit
1718 ;;
1719 "Power Macintosh"|ppc|powerpc)
1720 arch="ppc"
1721 enable fast_unaligned
1722 ;;
1723 ppc64)
1724 arch="ppc"
1725 subarch="ppc64"
1726 enable fast_64bit
1727 enable fast_unaligned
1728 ;;
1729 s390|s390x)
1730 arch="s390"
1731 ;;
1732 sh4|sh)
1733 arch="sh4"
1734 ;;
1735 sparc)
1736 arch="sparc"
1737 ;;
1738 sun4u|sparc64)
1739 arch="sparc"
1740 subarch="sparc64"
1741 enable fast_64bit
1742 ;;
1743 i386|i486|i586|i686|i86pc|BePC)
1744 arch="x86"
1745 subarch="x86_32"
1746 enable fast_unaligned
1747 ;;
1748 x86_64|amd64)
1749 arch="x86"
1750 subarch="x86_32"
1751 enable cmov
1752 enable fast_cmov
1753 enable fast_unaligned
1754 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1755 int test[sizeof(char*) - 7];
1756 EOF
1757 ;;
1758 *)
1759 arch="unknown"
1760 ;;
1761 esac
1762
1763 enable $arch $subarch
1764
1765 # OS specific
1766 case $target_os in
1767 beos|haiku|zeta)
1768 prefix_default="$HOME/config"
1769 # helps building libavcodec
1770 add_cppflags -DPIC
1771 add_cflags -fomit-frame-pointer
1772 # 3 gcc releases known for BeOS, each with ugly bugs
1773 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1774 case "$gcc_version" in
1775 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1776 disable mmx
1777 ;;
1778 *20010315*) echo "BeBits gcc"
1779 add_cflags -fno-expensive-optimizations
1780 ;;
1781 esac
1782 SHFLAGS=-nostart
1783 # enable BeOS things
1784 enable audio_beos
1785 # no need for libm, but the inet stuff
1786 # Check for BONE
1787 # XXX: actually should check for NOT net_server
1788 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1789 network_extralibs="-lbind -lsocket"
1790 else
1791 enable beos_netserver
1792 network_extralibs="-lnet"
1793 fi ;;
1794 sunos)
1795 FFSERVERLDFLAGS=""
1796 SHFLAGS='-shared -Wl,-h,$$(@F)'
1797 network_extralibs="-lsocket -lnsl"
1798 add_cppflags -D__EXTENSIONS__
1799 ;;
1800 netbsd)
1801 oss_indev_extralibs="-lossaudio"
1802 oss_outdev_extralibs="-lossaudio"
1803 ;;
1804 openbsd)
1805 enable malloc_aligned
1806 LIBOBJFLAGS='$(PIC)'
1807 SHFLAGS='-shared'
1808 oss_indev_extralibs="-lossaudio"
1809 oss_outdev_extralibs="-lossaudio"
1810 ;;
1811 freebsd|dragonfly)
1812 enable malloc_aligned
1813 ;;
1814 bsd/os)
1815 osextralibs="-lpoll -lgnugetopt"
1816 strip="strip -d"
1817 ;;
1818 darwin)
1819 enable malloc_aligned
1820 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1821 strip="strip -x"
1822 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1823 SLIBSUF=".dylib"
1824 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1825 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1826 FFSERVERLDFLAGS=-Wl,-bind_at_load
1827 objformat="macho"
1828 enabled x86_64 && objformat="macho64"
1829 enabled shared || check_cflags -mdynamic-no-pic
1830 ;;
1831 mingw32*)
1832 target_os=mingw32
1833 LIBTARGET=i386
1834 if enabled x86_64; then
1835 enable malloc_aligned
1836 LIBTARGET=x64
1837 elif enabled arm; then
1838 LIBTARGET=arm
1839 fi
1840 shlibdir_default="$bindir_default"
1841 disable ffserver
1842 SLIBPREF=""
1843 SLIBSUF=".dll"
1844 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1845 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1846 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1847 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1848 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1849 install -d "$(LIBDIR)"; \
1850 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1851 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1852 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1853 objformat="win32"
1854 enable dos_paths
1855 check_cflags -fno-common
1856 if ! enabled x86_64; then
1857 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1858 die "ERROR: MinGW runtime version must be >= 3.15."
1859 enabled_any avisynth vfwcap_indev &&
1860 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1861 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1862 fi
1863 ;;
1864 cygwin*)
1865 target_os=cygwin
1866 shlibdir_default="$bindir_default"
1867 SLIBPREF="cyg"
1868 SLIBSUF=".dll"
1869 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1870 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1871 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1872 objformat="win32"
1873 enable dos_paths
1874 check_cflags -fno-common
1875 ;;
1876 *-dos|freedos|opendos)
1877 disable ffplay ffserver
1878 disable $INDEV_LIST $OUTDEV_LIST
1879 network_extralibs="-lsocket"
1880 objformat="coff"
1881 enable dos_paths
1882 ;;
1883 linux)
1884 enable dv1394
1885 ;;
1886 irix*)
1887 target_os=irix
1888 ranlib="echo ignoring ranlib"
1889 ;;
1890 os/2*)
1891 strip="lxlite"
1892 ln_s="cp -f"
1893 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1894 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1895 FFSERVERLDFLAGS=""
1896 LIBSUF="_s.a"
1897 SLIBPREF=""
1898 SLIBSUF=".dll"
1899 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1900 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1901 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1902 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1903 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1904 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1905 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1906 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1907 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1908 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1909 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1910 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1911 enable dos_paths
1912 ;;
1913 gnu/kfreebsd)
1914 ;;
1915 gnu)
1916 ;;
1917
1918 *)
1919 die "Unknown OS '$target_os'."
1920 ;;
1921 esac
1922
1923 set_default $PATHS_LIST
1924
1925 add_extralibs $osextralibs
1926
1927 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1928 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1929
1930 # we need to build at least one lib type
1931 if ! enabled_any static shared; then
1932 cat <<EOF
1933 At least one library type must be built.
1934 Specify --enable-static to build the static libraries or --enable-shared to
1935 build the shared libraries as well. To only build the shared libraries specify
1936 --disable-static in addition to --enable-shared.
1937 EOF
1938 exit 1;
1939 fi
1940
1941 disabled static && LIBNAME=""
1942
1943 if enabled_any libfaad libfaadbin ; then
1944 if check_header faad.h; then
1945 check_cc <<EOF
1946 #include <faad.h>
1947 #ifndef FAAD2_VERSION
1948 ok faad1
1949 #endif
1950 int main(void) { return 0; }
1951 EOF
1952 test $? = 0 && enable libfaad2
1953 else
1954 die "FAAD test failed."
1955 fi
1956 fi
1957
1958
1959 die_license_disabled() {
1960 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1961 }
1962
1963 die_license_disabled gpl libfaad2
1964 die_license_disabled gpl libx264
1965 die_license_disabled gpl libxvid
1966 die_license_disabled gpl postproc
1967 die_license_disabled gpl x11grab
1968
1969 die_license_disabled nonfree libfaac
1970
1971 die_license_disabled version3 libopencore_amrnb
1972 die_license_disabled version3 libopencore_amrwb
1973
1974 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1975
1976 check_deps $ARCH_EXT_LIST
1977
1978 disabled optimizations || check_cflags -fomit-frame-pointer
1979
1980 check_cc <<EOF || die "Symbol mangling check failed."
1981 int ff_extern;
1982 EOF
1983 sym=$($nm -P -g $TMPO | grep ff_extern)
1984 extern_prefix=${sym%%ff_extern*}
1985
1986 check_cc <<EOF && enable inline_asm
1987 void foo(void) { __asm__ volatile ("" ::); }
1988 EOF
1989
1990 _restrict=
1991 for restrict_keyword in restrict __restrict__ __restrict; do
1992 check_cc <<EOF && _restrict=$restrict_keyword && break
1993 void foo(char * $restrict_keyword p);
1994 EOF
1995 done
1996
1997 check_cc <<EOF && enable attribute_packed
1998 struct { int x; } __attribute__((packed)) x;
1999 EOF
2000
2001 check_cc <<EOF || die "endian test failed"
2002 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2003 EOF
2004 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2005
2006 if enabled arm; then
2007
2008 check_ld <<EOF && enable vfp_args
2009 __asm__ (".eabi_attribute 28, 1");
2010 int main(void) { return 0; }
2011 EOF
2012
2013 # We have to check if pld is a nop and disable it.
2014 check_asm pld '"pld [r0]"'
2015
2016 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2017 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2018 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2019 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2020 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2021 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2022
2023 elif enabled mips; then
2024
2025 check_asm loongson '"dmult.g $1, $2, $3"'
2026 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2027
2028 elif enabled ppc; then
2029
2030 check_asm dcbzl '"dcbzl 0, 1"'
2031 check_asm ppc4xx '"maclhw r10, r11, r12"'
2032 check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2033
2034 # AltiVec flags: The FSF version of GCC differs from the Apple version
2035 if enabled altivec; then
2036 check_cflags -maltivec -mabi=altivec &&
2037 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2038 check_cflags -faltivec
2039
2040 # check if our compiler supports Motorola AltiVec C API
2041 check_cc <<EOF || disable altivec
2042 $inc_altivec_h
2043 int main(void) {
2044 vector signed int v1, v2, v3;
2045 v1 = vec_add(v2,v3);
2046 return 0;
2047 }
2048 EOF
2049
2050 # check if our compiler supports braces for vector declarations
2051 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2052 $inc_altivec_h
2053 int main (void) { (vector int) {1}; return 0; }
2054 EOF
2055 fi
2056
2057 elif enabled sparc; then
2058
2059 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2060 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2061
2062 elif enabled x86; then
2063
2064 # check whether EBP is available on x86
2065 # As 'i' is stored on the stack, this program will crash
2066 # if the base pointer is used to access it because the
2067 # base pointer is cleared in the inline assembly code.
2068 check_exec_crash <<EOF && enable ebp_available
2069 volatile int i=0;
2070 __asm__ volatile (
2071 "xorl %%ebp, %%ebp"
2072 ::: "%ebp");
2073 return i;
2074 EOF
2075
2076 # check wether EBX is available on x86
2077 check_asm ebx_available '"":::"%ebx"'
2078
2079 # check whether more than 10 operands are supported
2080 check_cc <<EOF && enable ten_operands
2081 int main(void) {
2082 int x=0;
2083 __asm__ volatile(
2084 ""
2085 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2086 );
2087 return 0;
2088 }
2089 EOF
2090
2091 # check whether binutils is new enough to compile SSSE3/MMX2
2092 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2093 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2094
2095 check_asm bswap '"bswap %%eax" ::: "%eax"'
2096
2097 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2098 enabled x86_64 && append YASMFLAGS "-m amd64"
2099 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2100 case "$objformat" in
2101 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2102 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2103 *) append YASMFLAGS "-DPREFIX" ;;
2104 esac
2105 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2106
2107 fi
2108
2109 if check_func dlopen; then
2110 ldl=
2111 elif check_func dlopen -ldl; then
2112 ldl=-ldl
2113 fi
2114
2115 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2116 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2117
2118 check_func fork
2119 check_func gethrtime
2120 check_func getrusage
2121 check_func inet_aton $network_extralibs
2122 check_func isatty
2123 check_func memalign
2124 check_func mkstemp
2125 check_func posix_memalign
2126 check_func_headers io.h setmode
2127 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2128 check_func_headers windows.h GetProcessTimes
2129 check_func_headers windows.h VirtualAlloc
2130
2131 check_header conio.h
2132 check_header dlfcn.h
2133 check_header malloc.h
2134 check_header poll.h
2135 check_header sys/mman.h
2136 check_header sys/resource.h
2137 check_header sys/select.h
2138 check_header termios.h
2139 check_header vdpau/vdpau.h
2140 check_header vdpau/vdpau_x11.h
2141 check_header X11/extensions/XvMClib.h
2142
2143 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2144 enabled_any $need_memalign ; then
2145 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2146 fi
2147
2148 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2149 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2150
2151 # check for some common methods of building with pthread support
2152 # do this before the optional library checks as some of them require pthreads
2153 if enabled pthreads; then
2154 if check_func pthread_create; then
2155 :
2156 elif check_func pthread_create -pthread; then
2157 add_cflags -pthread
2158 add_extralibs -pthread
2159 elif check_func pthread_create -pthreads; then
2160 add_cflags -pthreads
2161 add_extralibs -pthreads
2162 elif check_func pthread_create -lpthreadGC2; then
2163 add_extralibs -lpthreadGC2
2164 elif ! check_lib pthread.h pthread_create -lpthread; then
2165 die "ERROR: can't find pthreads library"
2166 fi
2167 fi
2168
2169 for thread in $THREADS_LIST; do
2170 if enabled $thread; then
2171 test -n "$thread_type" &&
2172 die "ERROR: Only one thread type must be selected." ||
2173 thread_type="$thread"
2174 fi
2175 done
2176
2177 check_lib math.h sin -lm
2178 check_lib va/va.h vaInitialize -lva
2179
2180 check_func llrint
2181 check_func log2
2182 check_func lrint
2183 check_func lrintf
2184 check_func round
2185 check_func roundf
2186 check_func truncf
2187
2188 # these are off by default, so fail if requested and not available
2189 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2190 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2191 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2192 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2193 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2194 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2195 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2196 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2197 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2198 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2199 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2200 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2201 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2202 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2203 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2204 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2205 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2206 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2207 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2208 die "ERROR: libx264 version must be >= 0.65."; }
2209 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2210 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2211
2212 # libdc1394 check
2213 if enabled libdc1394; then
2214 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2215 enable libdc1394_2; } ||
2216 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2217 enable libdc1394_1; } ||
2218 die "ERROR: No version of libdc1394 found "
2219 fi
2220
2221 disable sdl_too_old
2222 disable sdl
2223 SDL_CONFIG="${cross_prefix}sdl-config"
2224 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2225 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2226 temp_cflags $sdl_cflags
2227 temp_extralibs $("${SDL_CONFIG}" --libs)
2228 if check_lib2 SDL.h SDL_Init; then
2229 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2230 if test "$_sdlversion" -lt 121 ; then
2231 enable sdl_too_old
2232 else
2233 enable sdl
2234 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2235 #include <SDL.h>
2236 int main(int argc, char **argv){
2237 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2238 int w = vi->current_w;
2239 return 0;
2240 }
2241 EOF
2242 fi
2243 fi
2244 restore_flags
2245 fi
2246
2247 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2248
2249 if enabled network; then
2250 check_type "sys/types.h sys/socket.h" socklen_t
2251 # Prefer arpa/inet.h over winsock2
2252 if check_header arpa/inet.h ; then
2253 check_func closesocket
2254 elif check_header winsock2.h ; then
2255 check_func_headers winsock2.h closesocket -lws2 && \
2256 network_extralibs="-lws2" || \
2257 { check_func_headers winsock2.h closesocket -lws2_32 && \
2258 network_extralibs="-lws2_32"; }
2259 check_type ws2tcpip.h socklen_t
2260 else
2261 disable network
2262 fi
2263 fi
2264
2265 enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2266 #include <sys/types.h>
2267 #include <sys/socket.h>
2268 #include <netinet/in.h>
2269 #include <netdb.h>
2270 int main(void) {
2271 struct sockaddr_storage saddr;
2272 struct ipv6_mreq mreq6;
2273 getaddrinfo(0,0,0,0);
2274 getnameinfo(0,0,0,0,0,0,0);
2275 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2276 }
2277 EOF
2278
2279 check_header linux/videodev.h
2280 check_header linux/videodev2.h
2281 check_header sys/videoio.h
2282
2283 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2284
2285 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2286 { check_header dev/bktr/ioctl_meteor.h &&
2287 check_header dev/bktr/ioctl_bt848.h; } ||
2288 { check_header machine/ioctl_meteor.h &&
2289 check_header machine/ioctl_bt848.h; } ||
2290 { check_header dev/video/meteor/ioctl_meteor.h &&
2291 check_header dev/video/bktr/ioctl_bt848.h; } ||
2292 check_header dev/ic/bt8xx.h
2293
2294 check_header sys/soundcard.h
2295 check_header soundcard.h
2296
2297 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2298
2299 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2300
2301 enabled x11grab &&
2302 check_header X11/Xlib.h &&
2303 check_header X11/extensions/XShm.h &&
2304 check_func XOpenDisplay -lX11 &&
2305 check_func XShmCreateImage -lX11 -lXext
2306
2307 enabled debug && add_cflags -g"$debuglevel"
2308
2309 # add some useful compiler flags if supported
2310 check_cflags -Wdeclaration-after-statement
2311 check_cflags -Wall
2312 check_cflags -Wno-switch
2313 check_cflags -Wdisabled-optimization
2314 check_cflags -Wpointer-arith
2315 check_cflags -Wredundant-decls
2316 check_cflags -Wno-pointer-sign
2317 check_cflags -Wcast-qual
2318 check_cflags -Wwrite-strings
2319 check_cflags -Wtype-limits
2320 check_cflags -Wundef
2321 enabled extra_warnings && check_cflags -Winline
2322
2323 # add some linker flags
2324 check_ldflags -Wl,--warn-common
2325 check_ldflags -Wl,--as-needed
2326 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'
2327 check_ldflags -Wl,-Bsymbolic
2328
2329 if enabled small; then
2330 check_cflags -Os # not all compilers support -Os
2331 optimizations="small"
2332 elif enabled optimizations; then
2333 if enabled xlc; then
2334 add_cflags -O5
2335 add_ldflags -O5
2336 elif enabled ccc; then
2337 add_cflags -fast
2338 else
2339 add_cflags -O3
2340 fi
2341 fi
2342 check_cflags -fno-math-errno
2343 check_cflags -fno-signed-zeros
2344
2345 if enabled icc; then
2346 # Just warnings, no remarks
2347 check_cflags -w1
2348 # -wd: Disable following warnings
2349 # 144, 167, 556: -Wno-pointer-sign
2350 # 10006: ignoring unknown option -fno-signed-zeros
2351 # 10156: ignoring option '-W'; no argument required
2352 check_cflags -wd144,167,556,10006,10156
2353 # 11030: Warning unknown option --as-needed
2354 # 10156: ignoring option '-export'; no argument required
2355 check_ldflags -wd10156,11030
2356 # Allow to compile with optimizations
2357 check_ldflags -march=$cpu
2358 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2359 enable ebp_available
2360 elif enabled ccc; then
2361 # disable some annoying warnings
2362 add_cflags -msg_disable cvtu32to64
2363 add_cflags -msg_disable embedcomment
2364 add_cflags -msg_disable needconstext
2365 add_cflags -msg_disable nomainieee
2366 add_cflags -msg_disable ptrmismatch1
2367 add_cflags -msg_disable unreachcode
2368 elif enabled gcc; then
2369 check_cflags -fno-tree-vectorize
2370 fi
2371
2372 # PIC flags for shared library objects where they are needed
2373 if enabled shared; then
2374 # LIBOBJFLAGS may have already been set in the OS configuration
2375 if test -z "$LIBOBJFLAGS" ; then
2376 case "${subarch-$arch}" in
2377 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2378 esac
2379 fi
2380 fi
2381
2382 if enabled gprof; then
2383 add_cflags -p
2384 add_ldflags -p
2385 fi
2386
2387 # Find out if the .align argument is a power of two or not.
2388 check_asm asmalign_pot '".align 3"'
2389
2390 enabled_any $DECODER_LIST && enable decoders
2391 enabled_any $ENCODER_LIST && enable encoders
2392 enabled_any $HWACCEL_LIST && enable hwaccels
2393 enabled_any $BSF_LIST && enable bsfs
2394 enabled_any $DEMUXER_LIST && enable demuxers
2395 enabled_any $MUXER_LIST && enable muxers
2396 enabled_any $FILTER_LIST && enable filters
2397 enabled_any $INDEV_LIST && enable indevs
2398 enabled_any $OUTDEV_LIST && enable outdevs
2399 enabled_any $PROTOCOL_LIST && enable protocols
2400
2401 enabled_any $THREADS_LIST && enable threads
2402
2403 check_deps $CONFIG_LIST \
2404 $CONFIG_EXTRA \
2405 $HAVE_LIST \
2406 $DECODER_LIST \
2407 $ENCODER_LIST \
2408 $HWACCEL_LIST \
2409 $PARSER_LIST \
2410 $BSF_LIST \
2411 $DEMUXER_LIST \
2412 $MUXER_LIST \
2413 $FILTER_LIST \
2414 $INDEV_LIST \
2415 $OUTDEV_LIST \
2416 $PROTOCOL_LIST \
2417
2418 echo "install prefix $prefix"
2419 echo "source path $source_path"
2420 echo "C compiler $cc"
2421 echo ".align is power-of-two $asmalign_pot"
2422 echo "ARCH $arch ($cpu)"
2423 if test "$build_suffix" != ""; then
2424 echo "build suffix $build_suffix"
2425 fi
2426 if test "$extra_version" != ""; then
2427 echo "version string suffix $extra_version"
2428 fi
2429 echo "big-endian ${bigendian-no}"
2430 echo "runtime cpu detection ${runtime_cpudetect-no}"
2431 if enabled x86; then
2432 echo "yasm ${yasm-no}"
2433 echo "MMX enabled ${mmx-no}"
2434 echo "MMX2 enabled ${mmx2-no}"
2435 echo "3DNow! enabled ${amd3dnow-no}"
2436 echo "3DNow! extended enabled ${amd3dnowext-no}"
2437 echo "SSE enabled ${sse-no}"
2438 echo "SSSE3 enabled ${ssse3-no}"
2439 echo "CMOV enabled ${cmov-no}"
2440 echo "CMOV is fast ${fast_cmov-no}"
2441 echo "EBX available ${ebx_available-no}"
2442 echo "EBP available ${ebp_available-no}"
2443 echo "10 operands supported ${ten_operands-no}"
2444 fi
2445 if enabled arm; then
2446 echo "ARMv5TE enabled ${armv5te-no}"
2447 echo "ARMv6 enabled ${armv6-no}"
2448 echo "ARMv6T2 enabled ${armv6t2-no}"
2449 echo "ARM VFP enabled ${armvfp-no}"
2450 echo "IWMMXT enabled ${iwmmxt-no}"
2451 echo "NEON enabled ${neon-no}"
2452 fi
2453 if enabled mips; then
2454 echo "MMI enabled ${mmi-no}"
2455 fi
2456 if enabled ppc; then
2457 echo "AltiVec enabled ${altivec-no}"
2458 echo "PPC 4xx optimizations ${ppc4xx-no}"
2459 echo "dcbzl available ${dcbzl-no}"
2460 echo "performance report ${powerpc_perf-no}"
2461 fi
2462 if enabled sparc; then
2463 echo "VIS enabled ${vis-no}"
2464 fi
2465 echo "gprof enabled ${gprof-no}"
2466 echo "debug symbols ${debug-no}"
2467 echo "strip symbols ${stripping-no}"
2468 echo "optimizations ${optimizations-no}"
2469 echo "static ${static-no}"
2470 echo "shared ${shared-no}"
2471 echo "postprocessing support ${postproc-no}"
2472 echo "new filter support ${avfilter-no}"
2473 echo "filters using lavformat ${avfilter_lavf-no}"
2474 echo "network support ${network-no}"
2475 if enabled network; then
2476 echo "IPv6 support ${ipv6-no}"
2477 fi
2478 echo "threading support ${thread_type-no}"
2479 echo "SDL support ${sdl-no}"
2480 if enabled sdl_too_old; then
2481 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2482 fi
2483 echo "Sun medialib support ${mlib-no}"
2484 echo "AVISynth enabled ${avisynth-no}"
2485 echo "libdc1394 support ${libdc1394-no}"
2486 echo "libdirac enabled ${libdirac-no}"
2487 echo "libfaac enabled ${libfaac-no}"
2488 echo "libfaad enabled ${libfaad-no}"
2489 echo "libfaad dlopened ${libfaadbin-no}"
2490 echo "libgsm enabled ${libgsm-no}"
2491 echo "libmp3lame enabled ${libmp3lame-no}"
2492 echo "libnut enabled ${libnut-no}"
2493 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2494 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2495 echo "libopenjpeg enabled ${libopenjpeg-no}"
2496 echo "libschroedinger enabled ${libschroedinger-no}"
2497 echo "libspeex enabled ${libspeex-no}"
2498 echo "libtheora enabled ${libtheora-no}"
2499 echo "libvorbis enabled ${libvorbis-no}"
2500 echo "libx264 enabled ${libx264-no}"
2501 echo "libxvid enabled ${libxvid-no}"
2502 echo "zlib enabled ${zlib-no}"
2503 echo "bzlib enabled ${bzlib-no}"
2504 echo
2505
2506 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2507 echo "Enabled ${type}s:"
2508 eval list=\$$(toupper $type)_LIST
2509 for part in $list; do
2510 enabled $part && echo ${part%_*}
2511 done | sort | pr -3 -t
2512 echo
2513 done
2514
2515 license="LGPL version 2.1 or later"
2516 if enabled nonfree; then
2517 license="nonfree and unredistributable"
2518 elif enabled gplv3; then
2519 license="GPL version 3 or later"
2520 elif enabled lgplv3; then
2521 license="LGPL version 3 or later"
2522 elif enabled gpl; then
2523 license="GPL version 2 or later"
2524 fi
2525
2526 echo "License: $license"
2527
2528 echo "Creating config.mak and config.h..."
2529
2530 echo "# Automatically generated by configure - do not modify!" > config.mak
2531 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2532 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2533 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2534 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2535 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2536
2537 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2538 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2539
2540 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2541 echo "prefix=$prefix" >> config.mak
2542 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2543 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2544 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2545 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2546 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2547 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2548 echo "SRC_PATH=\"$source_path\"" >> config.mak
2549 echo "SRC_PATH_BARE=$source_path" >> config.mak
2550 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2551 echo "CC=$cc" >> config.mak
2552 echo "AS=$as" >> config.mak
2553 echo "LD=$ld" >> config.mak
2554 echo "DEPCC=$dep_cc" >> config.mak
2555 echo "YASM=$yasmexe" >> config.mak
2556 echo "AR=$ar" >> config.mak
2557 echo "RANLIB=$ranlib" >> config.mak
2558 echo "LN_S=$ln_s" >> config.mak
2559 enabled stripping &&
2560 echo "STRIP=$strip" >> config.mak ||
2561 echo "STRIP=echo ignoring strip" >> config.mak
2562
2563 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2564 echo "CFLAGS=$CFLAGS" >> config.mak
2565 echo "ASFLAGS=$ASFLAGS" >> config.mak
2566 echo "CC_O=$CC_O" >> config.mak
2567 echo "LDFLAGS=$LDFLAGS" >> config.mak
2568 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2569 echo "SHFLAGS=$SHFLAGS" >> config.mak
2570 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2571 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2572 echo "BUILD_STATIC=$static" >> config.mak
2573 echo "BUILDSUF=$build_suffix" >> config.mak
2574 echo "FULLNAME=$FULLNAME" >> config.mak
2575 echo "LIBPREF=$LIBPREF" >> config.mak
2576 echo "LIBSUF=$LIBSUF" >> config.mak
2577 echo "LIBNAME=$LIBNAME" >> config.mak
2578 echo "SLIBPREF=$SLIBPREF" >> config.mak
2579 echo "SLIBSUF=$SLIBSUF" >> config.mak
2580 echo "EXESUF=$EXESUF" >> config.mak
2581 echo "EXTRA_VERSION=$extra_version" >> config.mak
2582 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2583 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2584 echo "HOSTCC=$host_cc" >> config.mak
2585 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2586 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2587 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2588 echo "HOSTLIBS=$host_libs" >> config.mak
2589 echo "TARGET_EXEC=$target_exec" >> config.mak
2590 echo "TARGET_PATH=$target_path" >> config.mak
2591
2592 if enabled bigendian; then
2593 echo "WORDS_BIGENDIAN=yes" >> config.mak
2594 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2595 fi
2596
2597 if enabled sdl; then
2598 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2599 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2600 fi
2601 if enabled texi2html; then
2602 echo "BUILD_DOC=yes" >> config.mak
2603 fi
2604
2605 get_version(){
2606 name=$1
2607 file=$source_path/$2
2608 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2609 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2610 lcname=$(tolower $name)
2611 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2612 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2613 }
2614
2615 get_version LIBSWSCALE libswscale/swscale.h
2616 get_version LIBPOSTPROC libpostproc/postprocess.h
2617 get_version LIBAVCODEC libavcodec/avcodec.h
2618 get_version LIBAVDEVICE libavdevice/avdevice.h
2619 get_version LIBAVFORMAT libavformat/avformat.h
2620 get_version LIBAVUTIL libavutil/avutil.h
2621 get_version LIBAVFILTER libavfilter/avfilter.h
2622
2623 if enabled shared; then
2624 echo "BUILD_SHARED=yes" >> config.mak
2625 echo "PIC=-fPIC -DPIC" >> config.mak
2626 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2627 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2628 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2629 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2630 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2631 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2632 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2633 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2634 fi
2635 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2636 echo "EXTRALIBS=$extralibs" >> config.mak
2637
2638 echo "ARCH=$arch" >> config.mak
2639
2640 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2641 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2642 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2643 $CONFIG_EXTRA \
2644 $DECODER_LIST \
2645 $ENCODER_LIST \
2646 $HWACCEL_LIST \
2647 $PARSER_LIST \
2648 $BSF_LIST \
2649 $DEMUXER_LIST \
2650 $MUXER_LIST \
2651 $FILTER_LIST \
2652 $PROTOCOL_LIST \
2653 $INDEV_LIST \
2654 $OUTDEV_LIST \
2655
2656 echo "#define restrict $_restrict" >> $TMPH
2657
2658 if enabled small; then
2659 echo "#define av_always_inline" >> $TMPH
2660 fi
2661
2662
2663 # Apparently it's not possible to portably echo a backslash.
2664 enabled asmalign_pot &&
2665 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2666 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2667
2668 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2669
2670 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2671 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2672
2673 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2674 cmp -s $TMPH config.h &&
2675 echo "config.h is unchanged" ||
2676 mv -f $TMPH config.h
2677
2678 # build tree in object directory if source path is different from current one
2679 if enabled source_path_used; then
2680 DIRS="\
2681 doc \
2682 libavcodec \
2683 libavcodec/alpha \
2684 libavcodec/arm \
2685 libavcodec/bfin \
2686 libavcodec/mlib \
2687 libavcodec/ppc \
2688 libavcodec/sh4 \
2689 libavcodec/sparc \
2690 libavcodec/x86 \
2691 libavdevice \
2692 libavfilter \
2693 libavformat \
2694 libavutil \
2695 libpostproc \
2696 libswscale \
2697 libswscale/bfin \
2698 libswscale/mlib \
2699 libswscale/ppc \
2700 libswscale/sparc \
2701 libswscale/x86 \
2702 tests \
2703 tools \
2704 "
2705 FILES="\
2706 Makefile \
2707 common.mak \
2708 subdir.mak \
2709 doc/texi2pod.pl \
2710 libavcodec/Makefile \
2711 libavdevice/Makefile \
2712 libavfilter/Makefile \
2713 libavformat/Makefile \
2714 libavutil/Makefile \
2715 libpostproc/Makefile \
2716 libswscale/Makefile \
2717 "
2718 for dir in $DIRS ; do
2719 mkdir -p $dir
2720 done
2721 for f in $FILES ; do
2722 $ln_s "$source_path/$f" $f
2723 done
2724 fi
2725
2726
2727 # build pkg-config files
2728
2729 pkgconfig_generate(){
2730 name=$1
2731 shortname=${name#lib}${build_suffix}
2732 comment=$2
2733 version=$3
2734 libs=$4
2735 requires=$5
2736 cat <<EOF > $name/$name.pc
2737 prefix=$prefix
2738 exec_prefix=\${prefix}
2739 libdir=$libdir
2740 includedir=$incdir
2741
2742 Name: $name
2743 Description: $comment
2744 Version: $version
2745 Requires: $(disabled shared && echo $requires)
2746 Requires.private: $(enabled shared && echo $requires)
2747 Conflicts:
2748 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2749 Libs.private: $(enabled shared && echo $libs)
2750 Cflags: -I\${includedir}
2751 EOF
2752 cat <<EOF > $name/$name-uninstalled.pc
2753 prefix=
2754 exec_prefix=
2755 libdir=\${pcfiledir}
2756 includedir=${source_path}
2757
2758 Name: $name
2759 Description: $comment
2760 Version: $version
2761 Requires: $requires
2762 Conflicts:
2763 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2764 Cflags: -I\${includedir}
2765 EOF
2766 }
2767
2768 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2769 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2770 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2771 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2772 enabled avfilter &&
2773 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2774 enabled postproc &&
2775 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2776 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"