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