ec0eab8d3609068f0cf63d914e9edce5e906d849
[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 VirtualAlloc
962 winsock2_h
963 xform_asm
964 yasm
965 "
966
967 # options emitted with CONFIG_ prefix but not available on command line
968 CONFIG_EXTRA="
969 gplv3
970 lgplv3
971 "
972
973 CMDLINE_SELECT="
974 $ARCH_EXT_LIST
975 $CONFIG_LIST
976 $THREADS_LIST
977 cross_compile
978 debug
979 extra_warnings
980 logging
981 optimizations
982 stripping
983 yasm
984 "
985
986 PATHS_LIST='
987 bindir
988 datadir
989 incdir
990 libdir
991 mandir
992 prefix
993 shlibdir
994 '
995
996 CMDLINE_SET="
997 $PATHS_LIST
998 arch
999 as
1000 build_suffix
1001 cc
1002 cpu
1003 cross_prefix
1004 dep_cc
1005 extra_version
1006 host_cc
1007 host_cflags
1008 host_ldflags
1009 host_libs
1010 host_os
1011 ld
1012 logfile
1013 nm
1014 source_path
1015 sysinclude
1016 sysroot
1017 target_exec
1018 target_os
1019 target_path
1020 "
1021
1022 CMDLINE_APPEND="
1023 extra_cflags
1024 "
1025
1026 # code dependency declarations
1027
1028 # architecture extensions
1029 altivec_deps="ppc"
1030 amd3dnow_deps="mmx"
1031 amd3dnowext_deps="amd3dnow"
1032 armv5te_deps="arm"
1033 armv6_deps="arm"
1034 armv6t2_deps="arm"
1035 armvfp_deps="arm"
1036 iwmmxt_deps="arm"
1037 mmi_deps="mips"
1038 mmx_deps="x86"
1039 mmx2_deps="mmx"
1040 neon_deps="arm"
1041 ppc4xx_deps="ppc"
1042 sse_deps="mmx"
1043 ssse3_deps="sse"
1044 vis_deps="sparc"
1045
1046 need_memalign="altivec neon sse"
1047 inline_asm_deps="!tms470"
1048
1049 # decoders / encoders / hardware accelerators
1050 aac_decoder_select="fft mdct"
1051 ac3_decoder_select="fft mdct"
1052 atrac3_decoder_select="fft mdct"
1053 cavs_decoder_select="golomb"
1054 cook_decoder_select="fft mdct"
1055 cscd_decoder_suggest="zlib"
1056 dca_decoder_select="fft mdct"
1057 dnxhd_encoder_select="aandct"
1058 dxa_decoder_select="zlib"
1059 eac3_decoder_select="fft mdct"
1060 eatgq_decoder_select="aandct"
1061 eatqi_decoder_select="aandct"
1062 ffv1_decoder_select="golomb"
1063 flac_decoder_select="golomb"
1064 flac_encoder_select="golomb"
1065 flashsv_decoder_select="zlib"
1066 flashsv_encoder_select="zlib"
1067 flv_encoder_select="aandct"
1068 h261_encoder_select="aandct"
1069 h263_encoder_select="aandct"
1070 h263_vaapi_hwaccel_deps="va_va_h"
1071 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1072 h263p_encoder_select="aandct"
1073 h264_decoder_select="golomb"
1074 h264_vaapi_hwaccel_deps="va_va_h"
1075 h264_vaapi_hwaccel_select="vaapi"
1076 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077 h264_vdpau_decoder_select="vdpau h264_decoder"
1078 imc_decoder_select="fft mdct"
1079 jpegls_decoder_select="golomb"
1080 jpegls_encoder_select="golomb"
1081 ljpeg_encoder_select="aandct"
1082 loco_decoder_select="golomb"
1083 mjpeg_encoder_select="aandct"
1084 mpeg1video_encoder_select="aandct"
1085 mpeg2video_encoder_select="aandct"
1086 mpeg4_encoder_select="aandct"
1087 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1088 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1089 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1090 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1091 mpeg2_vaapi_hwaccel_deps="va_va_h"
1092 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1093 mpeg4_vaapi_hwaccel_deps="va_va_h"
1094 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1095 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1096 msmpeg4v1_encoder_select="aandct"
1097 msmpeg4v2_encoder_select="aandct"
1098 msmpeg4v3_encoder_select="aandct"
1099 nellymoser_decoder_select="fft mdct"
1100 nellymoser_encoder_select="fft mdct"
1101 png_decoder_select="zlib"
1102 png_encoder_select="zlib"
1103 qdm2_decoder_select="fft mdct rdft"
1104 rv10_encoder_select="aandct"
1105 rv20_encoder_select="aandct"
1106 rv30_decoder_select="golomb"
1107 rv40_decoder_select="golomb"
1108 shorten_decoder_select="golomb"
1109 sonic_decoder_select="golomb"
1110 sonic_encoder_select="golomb"
1111 sonic_ls_encoder_select="golomb"
1112 svq3_decoder_select="golomb"
1113 svq3_decoder_suggest="zlib"
1114 tiff_decoder_suggest="zlib"
1115 tiff_encoder_suggest="zlib"
1116 tscc_decoder_select="zlib"
1117 vc1_vaapi_hwaccel_deps="va_va_h"
1118 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1119 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1120 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1121 vorbis_decoder_select="fft mdct"
1122 vorbis_encoder_select="fft mdct"
1123 vp6a_decoder_select="vp6_decoder"
1124 vp6f_decoder_select="vp6_decoder"
1125 wmav1_decoder_select="fft mdct"
1126 wmav1_encoder_select="fft mdct"
1127 wmav2_decoder_select="fft mdct"
1128 wmav2_encoder_select="fft mdct"
1129 wmv1_encoder_select="aandct"
1130 wmv2_encoder_select="aandct"
1131 wmv3_decoder_select="vc1_decoder"
1132 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1133 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1134 zlib_decoder_select="zlib"
1135 zlib_encoder_select="zlib"
1136 zmbv_decoder_select="zlib"
1137 zmbv_encoder_select="zlib"
1138
1139 # parsers
1140 h264_parser_select="golomb"
1141
1142 # external libraries
1143 libdirac_decoder_deps="libdirac !libschroedinger"
1144 libdirac_encoder_deps="libdirac"
1145 libfaac_encoder_deps="libfaac"
1146 libfaad_decoder_deps="libfaad"
1147 libfaadbin_decoder_extralibs='$ldl'
1148 libgsm_decoder_deps="libgsm"
1149 libgsm_encoder_deps="libgsm"
1150 libgsm_ms_decoder_deps="libgsm"
1151 libgsm_ms_encoder_deps="libgsm"
1152 libmp3lame_encoder_deps="libmp3lame"
1153 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1154 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1155 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1156 libopenjpeg_decoder_deps="libopenjpeg"
1157 libschroedinger_decoder_deps="libschroedinger"
1158 libschroedinger_encoder_deps="libschroedinger"
1159 libspeex_decoder_deps="libspeex"
1160 libtheora_encoder_deps="libtheora"
1161 libvorbis_encoder_deps="libvorbis"
1162 libx264_encoder_deps="libx264"
1163 libxvid_encoder_deps="libxvid"
1164
1165 # demuxers / muxers
1166 ac3_demuxer_deps="ac3_parser"
1167 asf_stream_muxer_select="asf_muxer"
1168 avisynth_demuxer_deps="avisynth"
1169 dirac_demuxer_deps="dirac_parser"
1170 ipod_muxer_select="mov_muxer"
1171 libnut_demuxer_deps="libnut"
1172 libnut_muxer_deps="libnut"
1173 matroska_audio_muxer_select="matroska_muxer"
1174 matroska_demuxer_suggest="zlib bzlib"
1175 mov_demuxer_suggest="zlib"
1176 mp3_demuxer_deps="mpegaudio_parser"
1177 mp4_muxer_select="mov_muxer"
1178 mpegtsraw_demuxer_select="mpegts_demuxer"
1179 mxf_d10_muxer_select="mxf_muxer"
1180 psp_muxer_select="mov_muxer"
1181 redir_demuxer_deps="network"
1182 rtp_muxer_deps="network rtp_protocol"
1183 rtsp_demuxer_deps="sdp_demuxer"
1184 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1185 tg2_muxer_select="mov_muxer"
1186 tgp_muxer_select="mov_muxer"
1187
1188 # indevs / outdevs
1189 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1190 alsa_indev_extralibs="-lasound"
1191 alsa_outdev_deps="alsa_asoundlib_h"
1192 alsa_outdev_extralibs="-lasound"
1193 audio_beos_indev_deps="audio_beos"
1194 audio_beos_indev_extralibs="-lmedia -lbe"
1195 audio_beos_outdev_deps="audio_beos"
1196 audio_beos_outdev_extralibs="-lmedia -lbe"
1197 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1198 dv1394_indev_deps="dv1394 dv_demuxer"
1199 jack_indev_deps="jack_jack_h"
1200 jack_indev_extralibs="-ljack"
1201 libdc1394_indev_deps="libdc1394"
1202 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1203 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1204 v4l_indev_deps="linux_videodev_h"
1205 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1206 vfwcap_indev_deps="capCreateCaptureWindow"
1207 vfwcap_indev_extralibs="-lvfw32"
1208 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1209 x11_grab_device_indev_extralibs="-lX11 -lXext"
1210
1211 # protocols
1212 gopher_protocol_deps="network"
1213 http_protocol_deps="network"
1214 rtp_protocol_deps="udp_protocol"
1215 tcp_protocol_deps="network"
1216 udp_protocol_deps="network"
1217
1218 # filters
1219 movie_filter_deps="avfilter_lavf"
1220
1221 # programs
1222 ffplay_deps="sdl"
1223 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1224 ffserver_extralibs='$ldl'
1225
1226
1227 # default parameters
1228
1229 logfile="config.err"
1230
1231 # installation paths
1232 prefix_default="/usr/local"
1233 bindir_default='${prefix}/bin'
1234 datadir_default='${prefix}/share/ffmpeg'
1235 incdir_default='${prefix}/include'
1236 libdir_default='${prefix}/lib'
1237 mandir_default='${prefix}/share/man'
1238 shlibdir_default="$libdir_default"
1239
1240 # toolchain
1241 ar="ar"
1242 cc_default="gcc"
1243 host_cc_default="gcc"
1244 ln_s="ln -sf"
1245 nm_default="nm"
1246 objformat="elf"
1247 ranlib="ranlib"
1248 strip="strip"
1249 yasmexe="yasm"
1250
1251 # machine
1252 arch=$(uname -m)
1253 cpu="generic"
1254
1255 # OS
1256 target_os=$(tolower $(uname -s))
1257 host_os=$target_os
1258
1259 # configurable options
1260 enable debug
1261 enable fastdiv
1262 enable ffmpeg
1263 enable ffplay
1264 enable ffserver
1265 enable ipv6
1266 enable mpegaudio_hp
1267 enable network
1268 enable optimizations
1269 enable protocols
1270 enable static
1271 enable stripping
1272 enable swscale_alpha
1273
1274 # build settings
1275 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1276 FFSERVERLDFLAGS=-Wl,-E
1277 LIBPREF="lib"
1278 LIBSUF=".a"
1279 FULLNAME='$(NAME)$(BUILDSUF)'
1280 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1281 SLIBPREF="lib"
1282 SLIBSUF=".so"
1283 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1284 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1285 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1286 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1287
1288 CC_O='-o $@'
1289
1290 host_cflags='-O3 -g -Wall'
1291 host_libs='-lm'
1292
1293 target_path='.'
1294
1295 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1296 # full relative path for objects in subdirectories for non-recursive Make.
1297 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1298 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1299
1300 # find source path
1301 source_path="$(dirname "$0")"
1302 enable source_path_used
1303 if test -f configure; then
1304 source_path="$(pwd)"
1305 disable source_path_used
1306 else
1307 source_path="$(cd "$source_path"; pwd)"
1308 echo "$source_path" | grep -q '[[:blank:]]' &&
1309 die "Out of tree builds are impossible with whitespace in source path."
1310 test -e "$source_path/config.h" &&
1311 die "Out of tree builds are impossible with config.h in source dir."
1312 fi
1313
1314 for v in "$@"; do
1315 r=${v#*=}
1316 l=${v%"$r"}
1317 r=$(sh_quote "$r")
1318 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1319 done
1320
1321 find_things(){
1322 thing=$1
1323 pattern=$2
1324 file=$source_path/$3
1325 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1326 }
1327
1328 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1329 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1330 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1331 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1332 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1333 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1334 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1335 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1336 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1337 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1338 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1339
1340 enable $ARCH_EXT_LIST \
1341 $DECODER_LIST \
1342 $ENCODER_LIST \
1343 $HWACCEL_LIST \
1344 $PARSER_LIST \
1345 $BSF_LIST \
1346 $DEMUXER_LIST \
1347 $MUXER_LIST \
1348 $FILTER_LIST \
1349 $PROTOCOL_LIST \
1350 $INDEV_LIST \
1351 $OUTDEV_LIST \
1352
1353 die_unknown(){
1354 echo "Unknown option \"$1\"."
1355 echo "See $0 --help for available options."
1356 exit 1
1357 }
1358
1359 show_list() {
1360 suffix=_$1
1361 shift
1362 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1363 exit 0
1364 }
1365
1366 for opt do
1367 optval="${opt#*=}"
1368 case "$opt" in
1369 --extra-ldflags=*) add_ldflags $optval
1370 ;;
1371 --extra-libs=*) add_extralibs $optval
1372 ;;
1373 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1374 ;;
1375 --enable-debug=*) debuglevel="$optval"
1376 ;;
1377 --enable-*=*|--disable-*=*)
1378 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1379 case "$thing" in
1380 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1381 *) die_unknown "$opt" ;;
1382 esac
1383 ;;
1384 --enable-?*|--disable-?*)
1385 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1386 if is_in $option $COMPONENT_LIST; then
1387 test $action = disable && action=unset
1388 eval $action \$$(toupper ${option%s})_LIST
1389 elif is_in $option $CMDLINE_SELECT; then
1390 $action $option
1391 else
1392 die_unknown $opt
1393 fi
1394 ;;
1395 --list-*)
1396 NAME="${opt#--list-}"
1397 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1398 NAME=${NAME%s}
1399 eval show_list $NAME \$$(toupper $NAME)_LIST
1400 ;;
1401 --help|-h) show_help
1402 ;;
1403 *)
1404 optname="${opt%%=*}"
1405 optname="${optname#--}"
1406 optname=$(echo "$optname" | sed 's/-/_/g')
1407 if is_in $optname $CMDLINE_SET; then
1408 eval $optname='$optval'
1409 elif is_in $optname $CMDLINE_APPEND; then
1410 append $optname "$optval"
1411 else
1412 die_unknown $opt
1413 fi
1414 ;;
1415 esac
1416 done
1417
1418 disabled logging && logfile=/dev/null
1419
1420 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1421 set >> $logfile
1422
1423 test -n "$cross_prefix" && enable cross_compile
1424
1425 ar="${cross_prefix}${ar}"
1426 cc_default="${cross_prefix}${cc_default}"
1427 nm_default="${cross_prefix}${nm_default}"
1428 ranlib="${cross_prefix}${ranlib}"
1429 strip="${cross_prefix}${strip}"
1430
1431 sysinclude_default="${sysroot}/usr/include"
1432
1433 set_default cc nm sysinclude
1434 enabled cross_compile || host_cc_default=$cc
1435 set_default host_cc
1436
1437 exesuf() {
1438 case $1 in
1439 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1440 esac
1441 }
1442
1443 EXESUF=$(exesuf $target_os)
1444 HOSTEXESUF=$(exesuf $host_os)
1445
1446 # set temporary file name
1447 : ${TMPDIR:=$TEMPDIR}
1448 : ${TMPDIR:=$TMP}
1449 : ${TMPDIR:=/tmp}
1450
1451 if ! check_cmd type mktemp; then
1452 # simple replacement for missing mktemp
1453 # NOT SAFE FOR GENERAL USE
1454 mktemp(){
1455 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1456 }
1457 fi
1458
1459 tmpfile(){
1460 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1461 (set -C; exec > $tmp) 2>/dev/null ||
1462 die "Unable to create temoporary file in $TMPDIR."
1463 append TMPFILES $tmp
1464 eval $1=$tmp
1465 }
1466
1467 trap 'rm -f -- $TMPFILES' EXIT
1468 trap exit HUP INT TERM
1469
1470 tmpfile TMPC .c
1471 tmpfile TMPE $EXESUF
1472 tmpfile TMPH .h
1473 tmpfile TMPO .o
1474 tmpfile TMPS .S
1475 tmpfile TMPSH .sh
1476
1477 unset -f mktemp
1478
1479 # make sure we can execute files in $TMPDIR
1480 cat > $TMPSH 2>> $logfile <<EOF
1481 #! /bin/sh
1482 EOF
1483 chmod +x $TMPSH >> $logfile 2>&1
1484 if ! $TMPSH >> $logfile 2>&1; then
1485 cat <<EOF
1486 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1487 variable to another directory and make sure that it is not mounted noexec.
1488 EOF
1489 die "Sanity test failed."
1490 fi
1491
1492 filter_cflags=echo
1493 filter_cppflags=echo
1494 filter_asflags=echo
1495
1496 if $cc --version 2>/dev/null | grep -qi gcc; then
1497 cc_type=gcc
1498 elif $cc --version 2>/dev/null | grep -q Intel; then
1499 cc_type=icc
1500 elif $cc -v 2>&1 | grep -q xlc; then
1501 cc_type=xlc
1502 elif $cc -V 2>/dev/null | grep -q Compaq; then
1503 cc_type=ccc
1504 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1505 debuglevel=3
1506 add_ldflags -Wl,-z,now # calls to libots crash without this
1507 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1508 test -d "$sysroot" || die "No valid sysroot specified."
1509 cc_type=armcc
1510 armcc_conf="$PWD/armcc.conf"
1511 $cc --arm_linux_configure \
1512 --arm_linux_config_file="$armcc_conf" \
1513 --configure_sysroot="$sysroot" \
1514 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1515 die "Error creating armcc configuration file."
1516 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1517 as_default="${cross_prefix}gcc"
1518 elif $cc -version 2>/dev/null | grep -q TMS470; then
1519 cc_type=tms470
1520 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1521 CC_O='-fr=$(@D)'
1522 as_default="${cross_prefix}gcc"
1523 ld_default="${cross_prefix}gcc"
1524 dep_cc_default="${cross_prefix}gcc"
1525 TMPO=$(basename $TMPC .c).o
1526 append TMPFILES $TMPO
1527 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1528 DEPFLAGS='$(CPPFLAGS) -MM'
1529 filter_cflags=tms470_flags
1530 tms470_flags(){
1531 for flag; do
1532 case $flag in
1533 -march=*|-mcpu=*)
1534 case "${flag#*=}" in
1535 armv7-a|cortex-a*) echo -mv=7a8 ;;
1536 armv7-r|cortex-r*) echo -mv=7r4 ;;
1537 armv7-m|cortex-m*) echo -mv=7m3 ;;
1538 armv6*|arm11*) echo -mv=6 ;;
1539 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1540 echo -mv=5e ;;
1541 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1542 esac
1543 ;;
1544 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1545 -mfpu=vfp) echo --float_support=vfpv2 ;;
1546 -mfpu=softvfp) echo --float_support=vfplib ;;
1547 -Os) echo -O3 -mf=2 ;;
1548 -O[0-3]) echo $flag -mf=5 ;;
1549 -g) echo -g -mn ;;
1550 esac
1551 done
1552 }
1553 fi
1554
1555 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1556
1557 : ${as_default:=$cc}
1558 : ${dep_cc_default:=$cc}
1559 : ${ld_default:=$cc}
1560 set_default as dep_cc ld
1561
1562 add_cflags $extra_cflags
1563 add_asflags $extra_cflags
1564
1565 if test -n "$sysroot"; then
1566 case "$cc_type" in
1567 gcc)
1568 add_cppflags --sysroot="$sysroot"
1569 add_ldflags --sysroot="$sysroot"
1570 ;;
1571 tms470)
1572 add_cppflags -I"$sysinclude"
1573 add_ldflags --sysroot="$sysroot"
1574 ;;
1575 esac
1576 fi
1577
1578 # Add processor-specific flags
1579 case $cpu in
1580 601|ppc601|PowerPC601)
1581 cpuflags="-mcpu=601"
1582 ;;
1583 603*|ppc603*|PowerPC603*)
1584 cpuflags="-mcpu=603"
1585 ;;
1586 604*|ppc604*|PowerPC604*)
1587 cpuflags="-mcpu=604"
1588 ;;
1589 G3|g3|75*|ppc75*|PowerPC75*)
1590 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1591 ;;
1592 G4|g4|745*|ppc745*|PowerPC745*)
1593 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1594 ;;
1595 74*|ppc74*|PowerPC74*)
1596 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1597 ;;
1598 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1599 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1600 ;;
1601 Cell|CELL|cell)
1602 cpuflags="-mcpu=cell"
1603 enable ldbrx
1604 ;;
1605 # targets that do NOT support conditional mov (cmov)
1606 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1607 cpuflags="-march=$cpu"
1608 disable cmov
1609 ;;
1610 # targets that do support conditional mov (cmov)
1611 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1612 cpuflags="-march=$cpu"
1613 enable cmov
1614 enable fast_cmov
1615 ;;
1616 # targets that do support conditional mov but on which it's slow
1617 pentium4|pentium4m|prescott|nocona)
1618 cpuflags="-march=$cpu"
1619 enable cmov
1620 disable fast_cmov
1621 ;;
1622 sparc64)
1623 cpuflags="-mcpu=v9"
1624 ;;
1625 arm11*|cortex*)
1626 cpuflags="-mcpu=$cpu"
1627 enable fast_unaligned
1628 ;;
1629 armv[67]*)
1630 cpuflags="-march=$cpu"
1631 enable fast_unaligned
1632 ;;
1633 armv*)
1634 cpuflags="-march=$cpu"
1635 ;;
1636 arm*)
1637 cpuflags="-mcpu=$cpu"
1638 ;;
1639 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1640 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1641 ;;
1642 bf*)
1643 cpuflags="-mcpu=$cpu"
1644 ;;
1645 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1646 cpuflags="-march=$cpu"
1647 ;;
1648 generic)
1649 ;;
1650 *)
1651 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1652 ;;
1653 esac
1654
1655 add_cflags $cpuflags
1656 add_asflags $cpuflags
1657
1658 # compiler sanity check
1659 check_exec <<EOF
1660 int main(void){ return 0; }
1661 EOF
1662 if test "$?" != 0; then
1663 echo "$cc is unable to create an executable file."
1664 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1665 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1666 echo "Only do this if you know what cross compiling means."
1667 fi
1668 die "C compiler test failed."
1669 fi
1670
1671 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1672 check_cflags -std=c99
1673 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1674 #include <stdlib.h>
1675 EOF
1676 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1677 #include <stdlib.h>
1678 EOF
1679
1680 case "$arch" in
1681 alpha)
1682 arch="alpha"
1683 enable fast_64bit
1684 check_cflags -mieee
1685 ;;
1686 arm|armv[4567]*l)
1687 arch="arm"
1688 ;;
1689 avr32)
1690 ;;
1691 bfin)
1692 arch="bfin"
1693 ;;
1694 ia64)
1695 arch="ia64"
1696 enable fast_64bit
1697 ;;
1698 m68k)
1699 arch="m68k"
1700 ;;
1701 mips|mipsel|IP*)
1702 arch="mips"
1703 ;;
1704 mips64)
1705 arch="mips"
1706 subarch="mips64"
1707 enable fast_64bit
1708 ;;
1709 parisc|hppa)
1710 arch="parisc"
1711 ;;
1712 parisc64|hppa64)
1713 arch="parisc"
1714 enable fast_64bit
1715 ;;
1716 "Power Macintosh"|ppc|powerpc)
1717 arch="ppc"
1718 enable fast_unaligned
1719 ;;
1720 ppc64)
1721 arch="ppc"
1722 subarch="ppc64"
1723 enable fast_64bit
1724 enable fast_unaligned
1725 ;;
1726 s390|s390x)
1727 arch="s390"
1728 ;;
1729 sh4|sh)
1730 arch="sh4"
1731 ;;
1732 sparc)
1733 arch="sparc"
1734 ;;
1735 sun4u|sparc64)
1736 arch="sparc"
1737 subarch="sparc64"
1738 enable fast_64bit
1739 ;;
1740 i386|i486|i586|i686|i86pc|BePC)
1741 arch="x86"
1742 subarch="x86_32"
1743 enable fast_unaligned
1744 ;;
1745 x86_64|amd64)
1746 arch="x86"
1747 subarch="x86_32"
1748 enable cmov
1749 enable fast_cmov
1750 enable fast_unaligned
1751 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1752 int test[sizeof(char*) - 7];
1753 EOF
1754 ;;
1755 *)
1756 arch="unknown"
1757 ;;
1758 esac
1759
1760 enable $arch $subarch
1761
1762 # OS specific
1763 case $target_os in
1764 beos|haiku|zeta)
1765 prefix_default="$HOME/config"
1766 # helps building libavcodec
1767 add_cppflags -DPIC
1768 add_cflags -fomit-frame-pointer
1769 # 3 gcc releases known for BeOS, each with ugly bugs
1770 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1771 case "$gcc_version" in
1772 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1773 disable mmx
1774 ;;
1775 *20010315*) echo "BeBits gcc"
1776 add_cflags -fno-expensive-optimizations
1777 ;;
1778 esac
1779 SHFLAGS=-nostart
1780 # enable BeOS things
1781 enable audio_beos
1782 # no need for libm, but the inet stuff
1783 # Check for BONE
1784 # XXX: actually should check for NOT net_server
1785 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1786 network_extralibs="-lbind -lsocket"
1787 else
1788 enable beos_netserver
1789 network_extralibs="-lnet"
1790 fi ;;
1791 sunos)
1792 FFSERVERLDFLAGS=""
1793 SHFLAGS='-shared -Wl,-h,$$(@F)'
1794 network_extralibs="-lsocket -lnsl"
1795 add_cppflags -D__EXTENSIONS__
1796 ;;
1797 netbsd)
1798 oss_indev_extralibs="-lossaudio"
1799 oss_outdev_extralibs="-lossaudio"
1800 ;;
1801 openbsd)
1802 enable malloc_aligned
1803 LIBOBJFLAGS='$(PIC)'
1804 SHFLAGS='-shared'
1805 oss_indev_extralibs="-lossaudio"
1806 oss_outdev_extralibs="-lossaudio"
1807 ;;
1808 freebsd|dragonfly)
1809 enable malloc_aligned
1810 ;;
1811 bsd/os)
1812 osextralibs="-lpoll -lgnugetopt"
1813 strip="strip -d"
1814 ;;
1815 darwin)
1816 enable malloc_aligned
1817 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1818 strip="strip -x"
1819 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1820 SLIBSUF=".dylib"
1821 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1822 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1823 FFSERVERLDFLAGS=-Wl,-bind_at_load
1824 objformat="macho"
1825 enabled x86_64 && objformat="macho64"
1826 ;;
1827 mingw32*)
1828 target_os=mingw32
1829 LIBTARGET=i386
1830 if enabled x86_64; then
1831 enable malloc_aligned
1832 LIBTARGET=x64
1833 elif enabled arm; then
1834 LIBTARGET=arm
1835 fi
1836 shlibdir_default="$bindir_default"
1837 disable ffserver
1838 SLIBPREF=""
1839 SLIBSUF=".dll"
1840 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1841 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1842 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1843 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1844 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1845 install -d "$(LIBDIR)"; \
1846 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1847 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1848 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1849 objformat="win32"
1850 enable dos_paths
1851 check_cflags -fno-common
1852 if ! enabled x86_64; then
1853 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1854 die "ERROR: MinGW runtime version must be >= 3.15."
1855 enabled_any avisynth vfwcap_indev &&
1856 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1857 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1858 fi
1859 ;;
1860 cygwin*)
1861 target_os=cygwin
1862 shlibdir_default="$bindir_default"
1863 SLIBPREF="cyg"
1864 SLIBSUF=".dll"
1865 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1866 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1867 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1868 objformat="win32"
1869 enable dos_paths
1870 check_cflags -fno-common
1871 ;;
1872 *-dos|freedos|opendos)
1873 disable ffplay ffserver
1874 disable $INDEV_LIST $OUTDEV_LIST
1875 network_extralibs="-lsocket"
1876 objformat="coff"
1877 enable dos_paths
1878 ;;
1879 linux)
1880 enable dv1394
1881 ;;
1882 irix*)
1883 target_os=irix
1884 ranlib="echo ignoring ranlib"
1885 ;;
1886 os/2*)
1887 strip="lxlite"
1888 ln_s="cp -f"
1889 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1890 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1891 FFSERVERLDFLAGS=""
1892 LIBSUF="_s.a"
1893 SLIBPREF=""
1894 SLIBSUF=".dll"
1895 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1896 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1897 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1898 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1899 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1900 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1901 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1902 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1903 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1904 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1905 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1906 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1907 enable dos_paths
1908 ;;
1909 gnu/kfreebsd)
1910 ;;
1911 gnu)
1912 ;;
1913
1914 *)
1915 die "Unknown OS '$target_os'."
1916 ;;
1917 esac
1918
1919 set_default $PATHS_LIST
1920
1921 add_extralibs $osextralibs
1922
1923 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1924 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1925
1926 # we need to build at least one lib type
1927 if ! enabled_any static shared; then
1928 cat <<EOF
1929 At least one library type must be built.
1930 Specify --enable-static to build the static libraries or --enable-shared to
1931 build the shared libraries as well. To only build the shared libraries specify
1932 --disable-static in addition to --enable-shared.
1933 EOF
1934 exit 1;
1935 fi
1936
1937 disabled static && LIBNAME=""
1938
1939 if enabled_any libfaad libfaadbin ; then
1940 if check_header faad.h; then
1941 check_cc <<EOF
1942 #include <faad.h>
1943 #ifndef FAAD2_VERSION
1944 ok faad1
1945 #endif
1946 int main(void) { return 0; }
1947 EOF
1948 test $? = 0 && enable libfaad2
1949 else
1950 die "FAAD test failed."
1951 fi
1952 fi
1953
1954
1955 die_license_disabled() {
1956 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1957 }
1958
1959 die_license_disabled gpl libfaad2
1960 die_license_disabled gpl libx264
1961 die_license_disabled gpl libxvid
1962 die_license_disabled gpl postproc
1963 die_license_disabled gpl x11grab
1964
1965 die_license_disabled nonfree libfaac
1966
1967 die_license_disabled version3 libopencore_amrnb
1968 die_license_disabled version3 libopencore_amrwb
1969
1970 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1971
1972 check_deps $ARCH_EXT_LIST
1973
1974 #Darwin CC versions
1975 if test $target_os = darwin; then
1976 if enabled xlc; then
1977 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1978 else
1979 add_cflags -pipe
1980 check_cflags -force_cpusubtype_ALL
1981 check_cflags -Wno-sign-compare
1982 enabled shared || check_cflags -mdynamic-no-pic
1983 fi
1984 fi
1985
1986 disabled optimizations || check_cflags -fomit-frame-pointer
1987
1988 check_cc <<EOF || die "Symbol mangling check failed."
1989 int ff_extern;
1990 EOF
1991 sym=$($nm -P -g $TMPO | grep ff_extern)
1992 extern_prefix=${sym%%ff_extern*}
1993
1994 check_cc <<EOF && enable inline_asm
1995 void foo(void) { __asm__ volatile ("" ::); }
1996 EOF
1997
1998 if enabled x86; then
1999 # check whether EBP is available on x86
2000 # As 'i' is stored on the stack, this program will crash
2001 # if the base pointer is used to access it because the
2002 # base pointer is cleared in the inline assembly code.
2003 check_exec_crash <<EOF && enable ebp_available
2004 volatile int i=0;
2005 __asm__ volatile (
2006 "xorl %%ebp, %%ebp"
2007 ::: "%ebp");
2008 return i;
2009 EOF
2010
2011 # check wether EBX is available on x86
2012 check_asm ebx_available '"":::"%ebx"'
2013
2014 # check whether more than 10 operands are supported
2015 check_cc <<EOF && enable ten_operands
2016 int main(void) {
2017 int x=0;
2018 __asm__ volatile(
2019 ""
2020 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2021 );
2022 return 0;
2023 }
2024 EOF
2025
2026 # check whether binutils is new enough to compile SSSE3/MMX2
2027 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2028 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2029
2030 check_asm bswap '"bswap %%eax" ::: "%eax"'
2031
2032 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2033 enabled x86_64 && append YASMFLAGS "-m amd64"
2034 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2035 case "$objformat" in
2036 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2037 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
2038 *) append YASMFLAGS "-DPREFIX" ;;
2039 esac
2040 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2041 fi
2042
2043 # check for assembler specific support
2044
2045 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2046
2047 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2048 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2049 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2050
2051 # check for SIMD availability
2052
2053 # AltiVec flags: The FSF version of GCC differs from the Apple version
2054 if enabled altivec; then
2055 check_cflags -maltivec -mabi=altivec &&
2056 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2057 check_cflags -faltivec
2058
2059 # check if our compiler supports Motorola AltiVec C API
2060 check_cc <<EOF || disable altivec
2061 $inc_altivec_h
2062 int main(void) {
2063 vector signed int v1, v2, v3;
2064 v1 = vec_add(v2,v3);
2065 return 0;
2066 }
2067 EOF
2068
2069 # check if our compiler supports braces for vector declarations
2070 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2071 $inc_altivec_h
2072 int main (void) { (vector int) {1}; return 0; }
2073 EOF
2074 fi
2075
2076 # We have to check if pld is a nop and disable it.
2077 enabled arm && check_asm pld '"pld [r0]"'
2078 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2079 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2080 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2081 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2082 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2083 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2084 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2085 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2086
2087 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2088
2089 check_cc <<EOF || die "endian test failed"
2090 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2091 EOF
2092 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2093
2094 if check_func dlopen; then
2095 ldl=
2096 elif check_func dlopen -ldl; then
2097 ldl=-ldl
2098 fi
2099
2100 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2101 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2102
2103 check_func fork
2104 check_func gethrtime
2105 check_func getrusage
2106 check_func inet_aton $network_extralibs
2107 check_func memalign
2108 check_func mkstemp
2109 check_func posix_memalign
2110 check_func_headers io.h setmode
2111 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2112 check_func_headers windows.h GetProcessTimes
2113 check_func_headers windows.h VirtualAlloc
2114
2115 check_header conio.h
2116 check_header dlfcn.h
2117 check_header malloc.h
2118 check_header poll.h
2119 check_header sys/mman.h
2120 check_header sys/resource.h
2121 check_header sys/select.h
2122 check_header termios.h
2123 check_header vdpau/vdpau.h
2124 check_header vdpau/vdpau_x11.h
2125 check_header X11/extensions/XvMClib.h
2126
2127 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2128 enabled_any $need_memalign ; then
2129 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2130 fi
2131
2132 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2133 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2134
2135 # check for some common methods of building with pthread support
2136 # do this before the optional library checks as some of them require pthreads
2137 if enabled pthreads; then
2138 if check_func pthread_create; then
2139 :
2140 elif check_func pthread_create -pthread; then
2141 add_cflags -pthread
2142 add_extralibs -pthread
2143 elif check_func pthread_create -pthreads; then
2144 add_cflags -pthreads
2145 add_extralibs -pthreads
2146 elif check_func pthread_create -lpthreadGC2; then
2147 add_extralibs -lpthreadGC2
2148 elif ! check_lib pthread.h pthread_create -lpthread; then
2149 die "ERROR: can't find pthreads library"
2150 fi
2151 fi
2152
2153 for thread in $THREADS_LIST; do
2154 if enabled $thread; then
2155 test -n "$thread_type" &&
2156 die "ERROR: Only one thread type must be selected." ||
2157 thread_type="$thread"
2158 fi
2159 done
2160
2161 check_lib math.h sin -lm
2162 check_lib va/va.h vaInitialize -lva
2163
2164 check_func llrint
2165 check_func log2
2166 check_func lrint
2167 check_func lrintf
2168 check_func round
2169 check_func roundf
2170 check_func truncf
2171
2172 # these are off by default, so fail if requested and not available
2173 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2174 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2175 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2176 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2177 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2178 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2179 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2180 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2181 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2182 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2183 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2184 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2185 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2186 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2187 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2188 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2189 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2190 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2191 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2192 die "ERROR: libx264 version must be >= 0.65."; }
2193 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2194 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2195
2196 # libdc1394 check
2197 if enabled libdc1394; then
2198 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2199 enable libdc1394_2; } ||
2200 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2201 enable libdc1394_1; } ||
2202 die "ERROR: No version of libdc1394 found "
2203 fi
2204
2205
2206 _restrict=
2207 for restrict_keyword in restrict __restrict__ __restrict; do
2208 check_cc <<EOF && _restrict=$restrict_keyword && break
2209 void foo(char * $restrict_keyword p);
2210 EOF
2211 done
2212
2213 check_cc <<EOF && enable attribute_packed
2214 struct { int x; } __attribute__((packed)) x;
2215 EOF
2216
2217 disable sdl_too_old
2218 disable sdl
2219 SDL_CONFIG="${cross_prefix}sdl-config"
2220 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2221 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2222 temp_cflags $sdl_cflags
2223 temp_extralibs $("${SDL_CONFIG}" --libs)
2224 if check_lib2 SDL.h SDL_Init; then
2225 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2226 if test "$_sdlversion" -lt 121 ; then
2227 enable sdl_too_old
2228 else
2229 enable sdl
2230 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2231 #include <SDL.h>
2232 int main(int argc, char **argv){
2233 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2234 int w = vi->current_w;
2235 return 0;
2236 }
2237 EOF
2238 fi
2239 fi
2240 restore_flags
2241 fi
2242
2243 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2244
2245 if enabled network; then
2246 check_type "sys/types.h sys/socket.h" socklen_t
2247 # Prefer arpa/inet.h over winsock2
2248 if check_header arpa/inet.h ; then
2249 check_func closesocket
2250 elif check_header winsock2.h ; then
2251 check_func_headers winsock2.h closesocket -lws2 && \
2252 network_extralibs="-lws2" || \
2253 { check_func_headers winsock2.h closesocket -lws2_32 && \
2254 network_extralibs="-lws2_32"; }
2255 check_type ws2tcpip.h socklen_t
2256 else
2257 disable network
2258 fi
2259 fi
2260
2261 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2262 #include <sys/types.h>
2263 #include <sys/socket.h>
2264 #include <netinet/in.h>
2265 #include <netdb.h>
2266 int main(void) {
2267 struct sockaddr_storage saddr;
2268 struct ipv6_mreq mreq6;
2269 getaddrinfo(0,0,0,0);
2270 getnameinfo(0,0,0,0,0,0,0);
2271 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2272 }
2273 EOF
2274
2275 check_header linux/videodev.h
2276 check_header linux/videodev2.h
2277 check_header sys/videoio.h
2278
2279 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2280
2281 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2282 { check_header dev/bktr/ioctl_meteor.h &&
2283 check_header dev/bktr/ioctl_bt848.h; } ||
2284 { check_header machine/ioctl_meteor.h &&
2285 check_header machine/ioctl_bt848.h; } ||
2286 { check_header dev/video/meteor/ioctl_meteor.h &&
2287 check_header dev/video/bktr/ioctl_bt848.h; } ||
2288 check_header dev/ic/bt8xx.h
2289
2290 check_header sys/soundcard.h
2291 check_header soundcard.h
2292
2293 enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2294
2295 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2296
2297 enabled x11grab &&
2298 check_header X11/Xlib.h &&
2299 check_header X11/extensions/XShm.h &&
2300 check_func XOpenDisplay -lX11 &&
2301 check_func XShmCreateImage -lX11 -lXext
2302
2303 enabled debug && add_cflags -g"$debuglevel"
2304
2305 # add some useful compiler flags if supported
2306 check_cflags -Wdeclaration-after-statement
2307 check_cflags -Wall
2308 check_cflags -Wno-switch
2309 check_cflags -Wdisabled-optimization
2310 check_cflags -Wpointer-arith
2311 check_cflags -Wredundant-decls
2312 check_cflags -Wno-pointer-sign
2313 check_cflags -Wcast-qual
2314 check_cflags -Wwrite-strings
2315 check_cflags -Wtype-limits
2316 check_cflags -Wundef
2317 enabled extra_warnings && check_cflags -Winline
2318
2319 # add some linker flags
2320 check_ldflags -Wl,--warn-common
2321 check_ldflags -Wl,--as-needed
2322 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'
2323 check_ldflags -Wl,-Bsymbolic
2324
2325 if enabled small; then
2326 check_cflags -Os # not all compilers support -Os
2327 optimizations="small"
2328 elif enabled optimizations; then
2329 if enabled xlc; then
2330 add_cflags -O5
2331 add_ldflags -O5
2332 elif enabled ccc; then
2333 add_cflags -fast
2334 else
2335 add_cflags -O3
2336 fi
2337 fi
2338 check_cflags -fno-math-errno
2339 check_cflags -fno-signed-zeros
2340
2341 if enabled icc; then
2342 # Just warnings, no remarks
2343 check_cflags -w1
2344 # -wd: Disable following warnings
2345 # 144, 167, 556: -Wno-pointer-sign
2346 # 10006: ignoring unknown option -fno-signed-zeros
2347 # 10156: ignoring option '-W'; no argument required
2348 check_cflags -wd144,167,556,10006,10156
2349 # 11030: Warning unknown option --as-needed
2350 # 10156: ignoring option '-export'; no argument required
2351 check_ldflags -wd10156,11030
2352 # Allow to compile with optimizations
2353 check_ldflags -march=$cpu
2354 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2355 enable ebp_available
2356 elif enabled ccc; then
2357 # disable some annoying warnings
2358 add_cflags -msg_disable cvtu32to64
2359 add_cflags -msg_disable embedcomment
2360 add_cflags -msg_disable needconstext
2361 add_cflags -msg_disable nomainieee
2362 add_cflags -msg_disable ptrmismatch1
2363 add_cflags -msg_disable unreachcode
2364 elif enabled gcc; then
2365 check_cflags -fno-tree-vectorize
2366 fi
2367
2368 # PIC flags for shared library objects where they are needed
2369 if enabled shared; then
2370 # LIBOBJFLAGS may have already been set in the OS configuration
2371 if test -z "$LIBOBJFLAGS" ; then
2372 case "${subarch-$arch}" in
2373 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2374 esac
2375 fi
2376 fi
2377
2378 if enabled gprof; then
2379 add_cflags -p
2380 add_ldflags -p
2381 fi
2382
2383 # Find out if the .align argument is a power of two or not.
2384 check_asm asmalign_pot '".align 3"'
2385
2386 enabled_any $DECODER_LIST && enable decoders
2387 enabled_any $ENCODER_LIST && enable encoders
2388 enabled_any $HWACCEL_LIST && enable hwaccels
2389 enabled_any $BSF_LIST && enable bsfs
2390 enabled_any $DEMUXER_LIST && enable demuxers
2391 enabled_any $MUXER_LIST && enable muxers
2392 enabled_any $FILTER_LIST && enable filters
2393 enabled_any $INDEV_LIST && enable indevs
2394 enabled_any $OUTDEV_LIST && enable outdevs
2395 enabled_any $PROTOCOL_LIST && enable protocols
2396
2397 enabled_any $THREADS_LIST && enable threads
2398
2399 check_deps $CONFIG_LIST \
2400 $CONFIG_EXTRA \
2401 $HAVE_LIST \
2402 $DECODER_LIST \
2403 $ENCODER_LIST \
2404 $HWACCEL_LIST \
2405 $PARSER_LIST \
2406 $BSF_LIST \
2407 $DEMUXER_LIST \
2408 $MUXER_LIST \
2409 $FILTER_LIST \
2410 $INDEV_LIST \
2411 $OUTDEV_LIST \
2412 $PROTOCOL_LIST \
2413
2414 echo "install prefix $prefix"
2415 echo "source path $source_path"
2416 echo "C compiler $cc"
2417 echo ".align is power-of-two $asmalign_pot"
2418 echo "ARCH $arch ($cpu)"
2419 if test "$build_suffix" != ""; then
2420 echo "build suffix $build_suffix"
2421 fi
2422 if test "$extra_version" != ""; then
2423 echo "version string suffix $extra_version"
2424 fi
2425 echo "big-endian ${bigendian-no}"
2426 echo "runtime cpu detection ${runtime_cpudetect-no}"
2427 if enabled x86; then
2428 echo "yasm ${yasm-no}"
2429 echo "MMX enabled ${mmx-no}"
2430 echo "MMX2 enabled ${mmx2-no}"
2431 echo "3DNow! enabled ${amd3dnow-no}"
2432 echo "3DNow! extended enabled ${amd3dnowext-no}"
2433 echo "SSE enabled ${sse-no}"
2434 echo "SSSE3 enabled ${ssse3-no}"
2435 echo "CMOV enabled ${cmov-no}"
2436 echo "CMOV is fast ${fast_cmov-no}"
2437 echo "EBX available ${ebx_available-no}"
2438 echo "EBP available ${ebp_available-no}"
2439 echo "10 operands supported ${ten_operands-no}"
2440 fi
2441 if enabled arm; then
2442 echo "ARMv5TE enabled ${armv5te-no}"
2443 echo "ARMv6 enabled ${armv6-no}"
2444 echo "ARMv6T2 enabled ${armv6t2-no}"
2445 echo "ARM VFP enabled ${armvfp-no}"
2446 echo "IWMMXT enabled ${iwmmxt-no}"
2447 echo "NEON enabled ${neon-no}"
2448 fi
2449 if enabled mips; then
2450 echo "MMI enabled ${mmi-no}"
2451 fi
2452 if enabled ppc; then
2453 echo "AltiVec enabled ${altivec-no}"
2454 echo "PPC 4xx optimizations ${ppc4xx-no}"
2455 echo "dcbzl available ${dcbzl-no}"
2456 echo "performance report ${powerpc_perf-no}"
2457 fi
2458 if enabled sparc; then
2459 echo "VIS enabled ${vis-no}"
2460 fi
2461 echo "gprof enabled ${gprof-no}"
2462 echo "debug symbols ${debug-no}"
2463 echo "strip symbols ${stripping-no}"
2464 echo "optimizations ${optimizations-no}"
2465 echo "static ${static-no}"
2466 echo "shared ${shared-no}"
2467 echo "postprocessing support ${postproc-no}"
2468 echo "new filter support ${avfilter-no}"
2469 echo "filters using lavformat ${avfilter_lavf-no}"
2470 echo "network support ${network-no}"
2471 if enabled network; then
2472 echo "IPv6 support ${ipv6-no}"
2473 fi
2474 echo "threading support ${thread_type-no}"
2475 echo "SDL support ${sdl-no}"
2476 if enabled sdl_too_old; then
2477 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2478 fi
2479 echo "Sun medialib support ${mlib-no}"
2480 echo "AVISynth enabled ${avisynth-no}"
2481 echo "libdc1394 support ${libdc1394-no}"
2482 echo "libdirac enabled ${libdirac-no}"
2483 echo "libfaac enabled ${libfaac-no}"
2484 echo "libfaad enabled ${libfaad-no}"
2485 echo "libfaad dlopened ${libfaadbin-no}"
2486 echo "libgsm enabled ${libgsm-no}"
2487 echo "libmp3lame enabled ${libmp3lame-no}"
2488 echo "libnut enabled ${libnut-no}"
2489 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2490 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2491 echo "libopenjpeg enabled ${libopenjpeg-no}"
2492 echo "libschroedinger enabled ${libschroedinger-no}"
2493 echo "libspeex enabled ${libspeex-no}"
2494 echo "libtheora enabled ${libtheora-no}"
2495 echo "libvorbis enabled ${libvorbis-no}"
2496 echo "libx264 enabled ${libx264-no}"
2497 echo "libxvid enabled ${libxvid-no}"
2498 echo "zlib enabled ${zlib-no}"
2499 echo "bzlib enabled ${bzlib-no}"
2500 echo
2501
2502 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2503 echo "Enabled ${type}s:"
2504 eval list=\$$(toupper $type)_LIST
2505 for part in $list; do
2506 enabled $part && echo ${part%_*}
2507 done | sort | pr -3 -t
2508 echo
2509 done
2510
2511 license="LGPL version 2.1 or later"
2512 if enabled nonfree; then
2513 license="nonfree and unredistributable"
2514 elif enabled gplv3; then
2515 license="GPL version 3 or later"
2516 elif enabled lgplv3; then
2517 license="LGPL version 3 or later"
2518 elif enabled gpl; then
2519 license="GPL version 2 or later"
2520 fi
2521
2522 echo "License: $license"
2523
2524 echo "Creating config.mak and config.h..."
2525
2526 echo "# Automatically generated by configure - do not modify!" > config.mak
2527 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2528 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2529 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2530 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2531 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2532
2533 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2534 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2535
2536 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2537 echo "prefix=$prefix" >> config.mak
2538 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2539 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2540 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2541 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2542 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2543 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2544 echo "SRC_PATH=\"$source_path\"" >> config.mak
2545 echo "SRC_PATH_BARE=$source_path" >> config.mak
2546 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2547 echo "CC=$cc" >> config.mak
2548 echo "AS=$as" >> config.mak
2549 echo "LD=$ld" >> config.mak
2550 echo "DEPCC=$dep_cc" >> config.mak
2551 echo "YASM=$yasmexe" >> config.mak
2552 echo "AR=$ar" >> config.mak
2553 echo "RANLIB=$ranlib" >> config.mak
2554 echo "LN_S=$ln_s" >> config.mak
2555 enabled stripping &&
2556 echo "STRIP=$strip" >> config.mak ||
2557 echo "STRIP=echo ignoring strip" >> config.mak
2558
2559 echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2560 echo "CFLAGS=$CFLAGS" >> config.mak
2561 echo "ASFLAGS=$ASFLAGS" >> config.mak
2562 echo "CC_O=$CC_O" >> config.mak
2563 echo "LDFLAGS=$LDFLAGS" >> config.mak
2564 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2565 echo "SHFLAGS=$SHFLAGS" >> config.mak
2566 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2567 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2568 echo "BUILD_STATIC=$static" >> config.mak
2569 echo "BUILDSUF=$build_suffix" >> config.mak
2570 echo "FULLNAME=$FULLNAME" >> config.mak
2571 echo "LIBPREF=$LIBPREF" >> config.mak
2572 echo "LIBSUF=$LIBSUF" >> config.mak
2573 echo "LIBNAME=$LIBNAME" >> config.mak
2574 echo "SLIBPREF=$SLIBPREF" >> config.mak
2575 echo "SLIBSUF=$SLIBSUF" >> config.mak
2576 echo "EXESUF=$EXESUF" >> config.mak
2577 echo "EXTRA_VERSION=$extra_version" >> config.mak
2578 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2579 echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2580 echo "HOSTCC=$host_cc" >> config.mak
2581 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2582 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2583 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2584 echo "HOSTLIBS=$host_libs" >> config.mak
2585 echo "TARGET_EXEC=$target_exec" >> config.mak
2586 echo "TARGET_PATH=$target_path" >> config.mak
2587
2588 if enabled bigendian; then
2589 echo "WORDS_BIGENDIAN=yes" >> config.mak
2590 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2591 fi
2592
2593 if enabled sdl; then
2594 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2595 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2596 fi
2597 if enabled texi2html; then
2598 echo "BUILD_DOC=yes" >> config.mak
2599 fi
2600
2601 get_version(){
2602 name=$1
2603 file=$source_path/$2
2604 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2605 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2606 lcname=$(tolower $name)
2607 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2608 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2609 }
2610
2611 get_version LIBSWSCALE libswscale/swscale.h
2612 get_version LIBPOSTPROC libpostproc/postprocess.h
2613 get_version LIBAVCODEC libavcodec/avcodec.h
2614 get_version LIBAVDEVICE libavdevice/avdevice.h
2615 get_version LIBAVFORMAT libavformat/avformat.h
2616 get_version LIBAVUTIL libavutil/avutil.h
2617 get_version LIBAVFILTER libavfilter/avfilter.h
2618
2619 if enabled shared; then
2620 echo "BUILD_SHARED=yes" >> config.mak
2621 echo "PIC=-fPIC -DPIC" >> config.mak
2622 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2623 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2624 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2625 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2626 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2627 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2628 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2629 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2630 fi
2631 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2632 echo "EXTRALIBS=$extralibs" >> config.mak
2633
2634 echo "ARCH=$arch" >> config.mak
2635
2636 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2637 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2638 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2639 $CONFIG_EXTRA \
2640 $DECODER_LIST \
2641 $ENCODER_LIST \
2642 $HWACCEL_LIST \
2643 $PARSER_LIST \
2644 $BSF_LIST \
2645 $DEMUXER_LIST \
2646 $MUXER_LIST \
2647 $FILTER_LIST \
2648 $PROTOCOL_LIST \
2649 $INDEV_LIST \
2650 $OUTDEV_LIST \
2651
2652 echo "#define restrict $_restrict" >> $TMPH
2653
2654 if enabled small; then
2655 echo "#define av_always_inline" >> $TMPH
2656 fi
2657
2658
2659 # Apparently it's not possible to portably echo a backslash.
2660 enabled asmalign_pot &&
2661 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2662 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2663
2664 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2665
2666 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2667 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2668
2669 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2670 cmp -s $TMPH config.h &&
2671 echo "config.h is unchanged" ||
2672 mv -f $TMPH config.h
2673
2674 # build tree in object directory if source path is different from current one
2675 if enabled source_path_used; then
2676 DIRS="\
2677 doc \
2678 libavcodec \
2679 libavcodec/alpha \
2680 libavcodec/arm \
2681 libavcodec/bfin \
2682 libavcodec/mlib \
2683 libavcodec/ppc \
2684 libavcodec/sh4 \
2685 libavcodec/sparc \
2686 libavcodec/x86 \
2687 libavdevice \
2688 libavfilter \
2689 libavformat \
2690 libavutil \
2691 libpostproc \
2692 libswscale \
2693 libswscale/bfin \
2694 libswscale/mlib \
2695 libswscale/ppc \
2696 libswscale/sparc \
2697 libswscale/x86 \
2698 tests \
2699 tools \
2700 "
2701 FILES="\
2702 Makefile \
2703 common.mak \
2704 subdir.mak \
2705 doc/texi2pod.pl \
2706 libavcodec/Makefile \
2707 libavdevice/Makefile \
2708 libavfilter/Makefile \
2709 libavformat/Makefile \
2710 libavutil/Makefile \
2711 libpostproc/Makefile \
2712 libswscale/Makefile \
2713 "
2714 for dir in $DIRS ; do
2715 mkdir -p $dir
2716 done
2717 for f in $FILES ; do
2718 $ln_s "$source_path/$f" $f
2719 done
2720 fi
2721
2722
2723 # build pkg-config files
2724
2725 pkgconfig_generate(){
2726 name=$1
2727 shortname=${name#lib}${build_suffix}
2728 comment=$2
2729 version=$3
2730 libs=$4
2731 requires=$5
2732 cat <<EOF > $name/$name.pc
2733 prefix=$prefix
2734 exec_prefix=\${prefix}
2735 libdir=$libdir
2736 includedir=$incdir
2737
2738 Name: $name
2739 Description: $comment
2740 Version: $version
2741 Requires: $(disabled shared && echo $requires)
2742 Requires.private: $(enabled shared && echo $requires)
2743 Conflicts:
2744 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2745 Libs.private: $(enabled shared && echo $libs)
2746 Cflags: -I\${includedir}
2747 EOF
2748 cat <<EOF > $name/$name-uninstalled.pc
2749 prefix=
2750 exec_prefix=
2751 libdir=\${pcfiledir}
2752 includedir=${source_path}
2753
2754 Name: $name
2755 Description: $comment
2756 Version: $version
2757 Requires: $requires
2758 Conflicts:
2759 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2760 Cflags: -I\${includedir}
2761 EOF
2762 }
2763
2764 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2765 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2766 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2767 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2768 enabled avfilter &&
2769 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2770 enabled postproc &&
2771 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2772 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"