8660c4028914c8ee570a98d54562980fe84ac50a
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
72 echo
73 echo "Configuration options:"
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-version3 upgrade (L)GPL to version 3 [no]"
79 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
80 echo " and binaries will be unredistributable [no]"
81 echo " --disable-ffmpeg disable ffmpeg build"
82 echo " --disable-ffplay disable ffplay build"
83 echo " --disable-ffserver disable ffserver build"
84 echo " --enable-postproc enable GPLed postprocessing support [no]"
85 echo " --enable-avfilter video filter support [no]"
86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
87 echo " --enable-beosthreads use BeOS threads [no]"
88 echo " --enable-os2threads use OS/2 threads [no]"
89 echo " --enable-pthreads use pthreads [no]"
90 echo " --enable-w32threads use Win32 threads [no]"
91 echo " --enable-x11grab enable X11 grabbing [no]"
92 echo " --disable-network disable network support [no]"
93 echo " --disable-ipv6 disable IPv6 support [no]"
94 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
95 echo " --enable-gray enable full grayscale support (slower color)"
96 echo " --disable-swscale-alpha disable alpha channel support in swscale"
97 echo " --disable-fastdiv disable table-based division"
98 echo " --enable-small optimize for size instead of speed"
99 echo " --disable-aandct disable AAN DCT code"
100 echo " --disable-fft disable FFT code"
101 echo " --disable-golomb disable Golomb code"
102 echo " --disable-mdct disable MDCT code"
103 echo " --disable-rdft disable RDFT code"
104 echo " --disable-vaapi disable VAAPI code"
105 echo " --disable-vdpau disable VDPAU code"
106 echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
107 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
108 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
109 echo " --enable-beos-netserver enable BeOS netserver"
110 echo " --disable-encoder=NAME disable encoder NAME"
111 echo " --enable-encoder=NAME enable encoder NAME"
112 echo " --disable-encoders disable all encoders"
113 echo " --disable-decoder=NAME disable decoder NAME"
114 echo " --enable-decoder=NAME enable decoder NAME"
115 echo " --disable-decoders disable all decoders"
116 echo " --disable-hwaccel=NAME disable hwaccel NAME"
117 echo " --enable-hwaccel=NAME enable hwaccel NAME"
118 echo " --disable-hwaccels disable all hwaccels"
119 echo " --disable-muxer=NAME disable muxer NAME"
120 echo " --enable-muxer=NAME enable muxer NAME"
121 echo " --disable-muxers disable all muxers"
122 echo " --disable-demuxer=NAME disable demuxer NAME"
123 echo " --enable-demuxer=NAME enable demuxer NAME"
124 echo " --disable-demuxers disable all demuxers"
125 echo " --enable-parser=NAME enable parser NAME"
126 echo " --disable-parser=NAME disable parser NAME"
127 echo " --disable-parsers disable all parsers"
128 echo " --enable-bsf=NAME enable bitstream filter NAME"
129 echo " --disable-bsf=NAME disable bitstream filter NAME"
130 echo " --disable-bsfs disable all bitstream filters"
131 echo " --enable-protocol=NAME enable protocol NAME"
132 echo " --disable-protocol=NAME disable protocol NAME"
133 echo " --disable-protocols disable all protocols"
134 echo " --disable-indev=NAME disable input device NAME"
135 echo " --disable-outdev=NAME disable output device NAME"
136 echo " --disable-indevs disable input devices"
137 echo " --disable-outdevs disable output devices"
138 echo " --disable-devices disable all devices"
139 echo " --enable-filter=NAME enable filter NAME"
140 echo " --disable-filter=NAME disable filter NAME"
141 echo " --disable-filters disable all filters"
142 echo " --list-decoders show all available decoders"
143 echo " --list-encoders show all available encoders"
144 echo " --list-hwaccels show all available hardware accelerators"
145 echo " --list-muxers show all available muxers"
146 echo " --list-demuxers show all available demuxers"
147 echo " --list-parsers show all available parsers"
148 echo " --list-protocols show all available protocols"
149 echo " --list-bsfs show all available bitstream filters"
150 echo " --list-indevs show all available input devices"
151 echo " --list-outdevs show all available output devices"
152 echo " --list-filters show all available filters"
153 echo
154 echo "External library support:"
155 echo " --enable-avisynth enable reading of AVISynth script files [no]"
156 echo " --enable-bzlib enable bzlib [autodetect]"
157 echo " --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
158 echo " --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
159 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
160 echo " and libraw1394 [no]"
161 echo " --enable-libdirac enable Dirac support via libdirac [no]"
162 echo " --enable-libfaac enable FAAC support via libfaac [no]"
163 echo " --enable-libfaad enable FAAD support via libfaad [no]"
164 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
165 echo " --enable-libgsm enable GSM support via libgsm [no]"
166 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
167 echo " --enable-libnut enable NUT (de)muxing via libnut,"
168 echo " native (de)muxer exists [no]"
169 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
170 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
171 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
172 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
173 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
174 echo " native implementation exists [no]"
175 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
176 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
177 echo " native MPEG-4/Xvid encoder exists [no]"
178 echo " --enable-mlib enable Sun medialib [no]"
179 echo " --enable-zlib enable zlib [autodetect]"
180 echo ""
181 echo "Advanced options (experts only):"
182 echo " --source-path=PATH path to source code [$source_path]"
183 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
184 echo " --enable-cross-compile assume a cross-compiler is used"
185 echo " --sysroot=PATH root of cross-build tree"
186 echo " --sysinclude=PATH location of cross-build system headers"
187 echo " --target-os=OS compiler targets OS [$target_os]"
188 echo " --target-exec=CMD command to run executables on target"
189 echo " --target-path=DIR path to view of build directory on target"
190 echo " --nm=NM use nm tool"
191 echo " --as=AS use assembler AS [$as_default]"
192 echo " --cc=CC use C compiler CC [$cc_default]"
193 echo " --ld=LD use linker LD"
194 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
195 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
196 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
197 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
198 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
199 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
200 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
201 echo " --extra-version=STRING version string suffix []"
202 echo " --build-suffix=SUFFIX library name suffix []"
203 echo " --arch=ARCH select architecture [$arch]"
204 echo " --cpu=CPU select the minimum required CPU (affects"
205 echo " instruction selection, may crash on older CPUs)"
206 echo " --enable-powerpc-perf enable performance report on PPC"
207 echo " (requires enabling PMC)"
208 echo " --disable-altivec disable AltiVec optimizations"
209 echo " --disable-amd3dnow disable 3DNow! optimizations"
210 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
211 echo " --disable-mmx disable MMX optimizations"
212 echo " --disable-mmx2 disable MMX2 optimizations"
213 echo " --disable-sse disable SSE optimizations"
214 echo " --disable-ssse3 disable SSSE3 optimizations"
215 echo " --disable-armv5te disable armv5te optimizations"
216 echo " --disable-armv6 disable armv6 optimizations"
217 echo " --disable-armv6t2 disable armv6t2 optimizations"
218 echo " --disable-armvfp disable ARM VFP optimizations"
219 echo " --disable-iwmmxt disable iwmmxt optimizations"
220 echo " --disable-mmi disable MMI optimizations"
221 echo " --disable-neon disable neon optimizations"
222 echo " --disable-vis disable VIS optimizations"
223 echo " --disable-yasm disable use of yasm assembler"
224 echo
225 echo "Developer options (useful when working on FFmpeg itself):"
226 echo " --disable-debug disable debugging symbols"
227 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
228 echo " --enable-gprof enable profiling with gprof [$gprof]"
229 echo " --disable-optimizations disable compiler optimizations"
230 echo " --enable-extra-warnings enable more compiler warnings"
231 echo " --disable-stripping disable stripping of executables and shared libraries"
232 echo ""
233 echo "NOTE: Object files are built at the place where configure is launched."
234 exit 0
235 }
236
237 log(){
238 echo "$@" >> $logfile
239 }
240
241 log_file(){
242 log BEGIN $1
243 pr -n -t $1 >> $logfile
244 log END $1
245 }
246
247 echolog(){
248 log "$@"
249 echo "$@"
250 }
251
252 die(){
253 echolog "$@"
254 cat <<EOF
255
256 If you think configure made a mistake, make sure you are using the latest
257 version from SVN. If the latest version fails, report the problem to the
258 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
259 EOF
260 if disabled logging; then
261 cat <<EOF
262 Rerun configure with logging enabled (do not use --disable-logging), and
263 include the log this produces with your report.
264 EOF
265 else
266 cat <<EOF
267 Include the log file "$logfile" produced by configure as this will help
268 solving the problem.
269 EOF
270 fi
271 exit 1
272 }
273
274 # Avoid locale weirdness, besides we really just want to translate ASCII.
275 toupper(){
276 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
277 }
278
279 tolower(){
280 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
281 }
282
283 c_escape(){
284 echo "$*" | sed 's/["\\]/\\\0/g'
285 }
286
287 sh_quote(){
288 v=$(echo "$1" | sed "s/'/'\\\\''/g")
289 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
290 echo "$v"
291 }
292
293 set_all(){
294 value=$1
295 shift
296 for var in $*; do
297 eval $var=$value
298 done
299 }
300
301 set_weak(){
302 value=$1
303 shift
304 for var; do
305 eval : \${$var:=$value}
306 done
307 }
308
309 pushvar(){
310 for var in $*; do
311 eval level=\${${var}_level:=0}
312 eval ${var}_${level}="\$$var"
313 eval ${var}_level=$(($level+1))
314 done
315 }
316
317 popvar(){
318 for var in $*; do
319 eval level=\${${var}_level:-0}
320 test $level = 0 && continue
321 eval level=$(($level-1))
322 eval $var="\${${var}_${level}}"
323 eval ${var}_level=$level
324 eval unset ${var}_${level}
325 done
326 }
327
328 enable(){
329 set_all yes $*
330 }
331
332 disable(){
333 set_all no $*
334 }
335
336 enable_weak(){
337 set_weak yes $*
338 }
339
340 disable_weak(){
341 set_weak no $*
342 }
343
344 enable_safe(){
345 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
346 }
347
348 disable_safe(){
349 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
350 }
351
352 do_enable_deep(){
353 for var; do
354 enabled $var && continue
355 eval sel="\$${var}_select"
356 eval sgs="\$${var}_suggest"
357 pushvar var sgs
358 enable_deep $sel
359 popvar sgs
360 enable_deep_weak $sgs
361 popvar var
362 done
363 }
364
365 enable_deep(){
366 do_enable_deep $*
367 enable $*
368 }
369
370 enable_deep_weak(){
371 do_enable_deep $*
372 enable_weak $*
373 }
374
375 enabled(){
376 test "${1#!}" = "$1" && op== || op=!=
377 eval test "x\$${1#!}" $op "xyes"
378 }
379
380 disabled(){
381 test "${1#!}" = "$1" && op== || op=!=
382 eval test "x\$${1#!}" $op "xno"
383 }
384
385 enabled_all(){
386 for opt; do
387 enabled $opt || return 1
388 done
389 }
390
391 disabled_all(){
392 for opt; do
393 disabled $opt || return 1
394 done
395 }
396
397 enabled_any(){
398 for opt; do
399 enabled $opt && return 0
400 done
401 }
402
403 disabled_any(){
404 for opt; do
405 disabled $opt && return 0
406 done
407 return 1
408 }
409
410 set_default(){
411 for opt; do
412 eval : \${$opt:=\$${opt}_default}
413 done
414 }
415
416 is_in(){
417 value=$1
418 shift
419 for var in $*; do
420 [ $var = $value ] && return 0
421 done
422 return 1
423 }
424
425 check_deps(){
426 for cfg; do
427 cfg="${cfg#!}"
428 enabled ${cfg}_checking && die "Circular dependency for $cfg."
429 disabled ${cfg}_checking && continue
430 enable ${cfg}_checking
431
432 eval dep_all="\$${cfg}_deps"
433 eval dep_any="\$${cfg}_deps_any"
434 eval dep_sel="\$${cfg}_select"
435 eval dep_sgs="\$${cfg}_suggest"
436
437 pushvar cfg dep_all dep_any dep_sel dep_sgs
438 check_deps $dep_all $dep_any $dep_sel $dep_sgs
439 popvar cfg dep_all dep_any dep_sel dep_sgs
440
441 enabled_all $dep_all || disable $cfg
442 enabled_any $dep_any || disable $cfg
443 disabled_any $dep_sel && disable $cfg
444
445 if enabled $cfg; then
446 eval dep_extralibs="\$${cfg}_extralibs"
447 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
448 enable_deep $dep_sel
449 enable_deep_weak $dep_sgs
450 fi
451
452 disable ${cfg}_checking
453 done
454 }
455
456 print_config(){
457 pfx=$1
458 header=$2
459 makefile=$3
460 shift 3
461 for cfg; do
462 ucname="$(toupper $cfg)"
463 if enabled $cfg; then
464 echo "#define ${pfx}${ucname} 1" >> $header
465 echo "${pfx}${ucname}=yes" >> $makefile
466 else
467 echo "#define ${pfx}${ucname} 0" >> $header
468 fi
469 done
470 }
471
472 flags_saved(){
473 (: ${SAVE_CFLAGS?}) 2> /dev/null
474 }
475
476 save_flags(){
477 flags_saved && return
478 SAVE_CFLAGS="$CFLAGS"
479 SAVE_LDFLAGS="$LDFLAGS"
480 SAVE_extralibs="$extralibs"
481 }
482
483 restore_flags(){
484 flags_saved || return
485 CFLAGS="$SAVE_CFLAGS"
486 LDFLAGS="$SAVE_LDFLAGS"
487 extralibs="$SAVE_extralibs"
488 unset SAVE_CFLAGS
489 unset SAVE_LDFLAGS
490 unset SAVE_extralibs
491 }
492
493 temp_cflags(){
494 save_flags
495 CFLAGS="$CFLAGS $*"
496 }
497
498 temp_ldflags(){
499 save_flags
500 LDFLAGS="$LDFLAGS $*"
501 }
502
503 temp_extralibs(){
504 save_flags
505 extralibs="$extralibs $*"
506 }
507
508 append(){
509 var=$1
510 shift
511 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
512 eval "$var=\"\$$var $*\""
513 }
514
515 add_cppflags(){
516 append CPPFLAGS "$@"
517 }
518
519 add_cflags(){
520 append CFLAGS "$@"
521 }
522
523 add_ldflags(){
524 append LDFLAGS "$@"
525 }
526
527 add_extralibs(){
528 append extralibs "$@"
529 }
530
531 check_cmd(){
532 log "$@"
533 "$@" >> $logfile 2>&1
534 }
535
536 check_cc(){
537 log check_cc "$@"
538 cat > $TMPC
539 log_file $TMPC
540 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
541 }
542
543 check_cpp(){
544 log check_cpp "$@"
545 cat > $TMPC
546 log_file $TMPC
547 check_cmd $cc $CPPFLAGS "$@" -E -o $TMPO $TMPC
548 }
549
550 check_as(){
551 log check_as "$@"
552 cat > $TMPC
553 log_file $TMPC
554 check_cmd $as $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
555 }
556
557 check_asm(){
558 log check_asm "$@"
559 name="$1"
560 asm="$2"
561 shift 2
562 check_as "$@" <<EOF && enable $name || disable $name
563 void foo(void){ __asm__ volatile($asm); }
564 EOF
565 }
566
567 check_yasm(){
568 log check_yasm "$@"
569 echo "$1" > $TMPS
570 log_file $TMPS
571 shift 1
572 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
573 }
574
575 check_ld(){
576 log check_ld "$@"
577 check_cc || return
578 flags=''
579 libs=''
580 for f; do
581 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
582 done
583 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
584 }
585
586 check_cppflags(){
587 log check_cppflags "$@"
588 check_cc "$@" <<EOF && add_cppflags "$@"
589 int x;
590 EOF
591 }
592
593 check_cflags(){
594 log check_cflags "$@"
595 check_cc "$@" <<EOF && add_cflags "$@"
596 int x;
597 EOF
598 }
599
600 check_ldflags(){
601 log check_ldflags "$@"
602 check_ld "$@" <<EOF && add_ldflags "$@"
603 int main(void){ return 0; }
604 EOF
605 }
606
607 check_header(){
608 log check_header "$@"
609 header=$1
610 shift
611 disable_safe $header
612 check_cpp "$@" <<EOF && enable_safe $header
613 #include <$header>
614 int x;
615 EOF
616 }
617
618 check_func(){
619 log check_func "$@"
620 func=$1
621 shift
622 disable $func
623 check_ld "$@" <<EOF && enable $func
624 extern int $func();
625 int main(void){ $func(); }
626 EOF
627 }
628
629 check_func_headers(){
630 log check_func_headers "$@"
631 headers=$1
632 func=$2
633 shift 2
634 disable $func
635 incs=""
636 for hdr in $headers; do
637 incs="$incs
638 #include <$hdr>"
639 done
640 check_ld "$@" <<EOF && enable $func && enable_safe $headers
641 $incs
642 int main(int argc, char **argv){
643 (void) $func;
644 return 0;
645 }
646 EOF
647 }
648
649 check_cpp_condition(){
650 log check_cpp_condition "$@"
651 header=$1
652 condition=$2
653 check_cpp <<EOF
654 #include <$header>
655 #if !($condition)
656 #error "unsatisfied condition: $condition"
657 #endif
658 EOF
659 }
660
661 check_lib(){
662 log check_lib "$@"
663 header="$1"
664 func="$2"
665 shift 2
666 temp_extralibs "$@"
667 check_header $header && check_func $func && add_extralibs "$@"
668 err=$?
669 restore_flags
670 return $err
671 }
672
673 check_lib2(){
674 log check_lib2 "$@"
675 headers="$1"
676 func="$2"
677 shift 2
678 temp_extralibs "$@"
679 check_func_headers "$headers" $func && add_extralibs "$@"
680 err=$?
681 restore_flags
682 return $err
683 }
684
685 check_exec(){
686 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
687 }
688
689 check_exec_crash(){
690 code=$(cat)
691
692 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
693 # are safe but may not be available everywhere. Thus we use
694 # raise(SIGTERM) instead. The check is run in a subshell so we
695 # can redirect the "Terminated" message from the shell. SIGBUS
696 # is not defined by standard C so it is used conditionally.
697
698 (check_exec "$@") >> $logfile 2>&1 <<EOF
699 #include <signal.h>
700 static void sighandler(int sig){
701 raise(SIGTERM);
702 }
703 int main(void){
704 signal(SIGILL, sighandler);
705 signal(SIGFPE, sighandler);
706 signal(SIGSEGV, sighandler);
707 #ifdef SIGBUS
708 signal(SIGBUS, sighandler);
709 #endif
710 { $code }
711 }
712 EOF
713 }
714
715 check_type(){
716 log check_type "$@"
717 headers=$1
718 type=$2
719 shift 2
720 disable $type
721 incs=""
722 for hdr in $headers; do
723 incs="$incs
724 #include <$hdr>"
725 done
726 check_cc "$@" <<EOF && enable $type
727 $incs
728 $type v;
729 EOF
730 }
731
732 require(){
733 name="$1"
734 header="$2"
735 func="$3"
736 shift 3
737 check_lib $header $func "$@" || die "ERROR: $name not found"
738 }
739
740 require2(){
741 name="$1"
742 headers="$2"
743 func="$3"
744 shift 3
745 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
746 }
747
748 check_foo_config(){
749 cfg=$1
750 pkg=$2
751 header=$3
752 func=$4
753 shift 4
754 disable $cfg
755 check_cmd ${pkg}-config --version
756 err=$?
757 if test "$err" = 0; then
758 temp_cflags $(${pkg}-config --cflags)
759 temp_extralibs $(${pkg}-config --libs)
760 check_lib "$@" $header $func && enable $cfg
761 fi
762 return $err
763 }
764
765 apply(){
766 file=$1
767 shift
768 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
769 }
770
771 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
772 # system-dependent things.
773
774 COMPONENT_LIST="
775 bsfs
776 decoders
777 demuxers
778 encoders
779 filters
780 hwaccels
781 indevs
782 muxers
783 outdevs
784 parsers
785 protocols
786 "
787
788 CONFIG_LIST="
789 $COMPONENT_LIST
790 aandct
791 avfilter
792 avfilter_lavf
793 avisynth
794 beos_netserver
795 bzlib
796 fastdiv
797 ffmpeg
798 ffplay
799 ffserver
800 fft
801 golomb
802 gpl
803 gprof
804 gray
805 hardcoded_tables
806 ipv6
807 libdc1394
808 libdirac
809 libfaac
810 libfaad
811 libfaadbin
812 libgsm
813 libmp3lame
814 libnut
815 libopencore_amrnb
816 libopencore_amrwb
817 libopenjpeg
818 libschroedinger
819 libspeex
820 libtheora
821 libvorbis
822 libx264
823 libxvid
824 mdct
825 memalign_hack
826 mlib
827 mpegaudio_hp
828 network
829 nonfree
830 postproc
831 powerpc_perf
832 rdft
833 runtime_cpudetect
834 shared
835 small
836 static
837 swscale_alpha
838 vaapi
839 vdpau
840 version3
841 x11grab
842 zlib
843 "
844
845 THREADS_LIST='
846 beosthreads
847 os2threads
848 pthreads
849 w32threads
850 '
851
852 ARCH_LIST='
853 alpha
854 arm
855 bfin
856 ia64
857 m68k
858 mips
859 mips64
860 parisc
861 ppc
862 ppc64
863 s390
864 sh4
865 sparc
866 sparc64
867 x86
868 x86_32
869 x86_64
870 '
871
872 ARCH_EXT_LIST='
873 altivec
874 amd3dnow
875 amd3dnowext
876 armv5te
877 armv6
878 armv6t2
879 armvfp
880 iwmmxt
881 mmi
882 mmx
883 mmx2
884 neon
885 ppc4xx
886 sse
887 ssse3
888 vis
889 '
890
891 HAVE_LIST="
892 $ARCH_EXT_LIST
893 $THREADS_LIST
894 alsa_asoundlib_h
895 altivec_h
896 arpa_inet_h
897 bigendian
898 bswap
899 closesocket
900 cmov
901 conio_h
902 dcbzl
903 dev_bktr_ioctl_bt848_h
904 dev_bktr_ioctl_meteor_h
905 dev_ic_bt8xx_h
906 dev_video_meteor_ioctl_meteor_h
907 dev_video_bktr_ioctl_bt848_h
908 dlfcn_h
909 dlopen
910 dos_paths
911 ebp_available
912 ebx_available
913 fast_64bit
914 fast_cmov
915 fast_unaligned
916 fork
917 gethrtime
918 GetProcessTimes
919 getrusage
920 inet_aton
921 inline_asm
922 ldbrx
923 libdc1394_1
924 libdc1394_2
925 llrint
926 log2
927 loongson
928 lrint
929 lrintf
930 lzo1x_999_compress
931 machine_ioctl_bt848_h
932 machine_ioctl_meteor_h
933 malloc_h
934 memalign
935 mkstemp
936 pld
937 posix_memalign
938 round
939 roundf
940 sdl
941 sdl_video_size
942 setmode
943 socklen_t
944 soundcard_h
945 poll_h
946 sys_mman_h
947 sys_resource_h
948 sys_select_h
949 sys_soundcard_h
950 sys_videoio_h
951 ten_operands
952 termios_h
953 threads
954 truncf
955 VirtualAlloc
956 winsock2_h
957 xform_asm
958 yasm
959 "
960
961 # options emitted with CONFIG_ prefix but not available on command line
962 CONFIG_EXTRA="
963 gplv3
964 lgplv3
965 "
966
967 CMDLINE_SELECT="
968 $ARCH_EXT_LIST
969 $CONFIG_LIST
970 $THREADS_LIST
971 cross_compile
972 debug
973 extra_warnings
974 logging
975 optimizations
976 stripping
977 yasm
978 "
979
980 PATHS_LIST='
981 bindir
982 datadir
983 incdir
984 libdir
985 mandir
986 prefix
987 shlibdir
988 '
989
990 CMDLINE_SET="
991 $PATHS_LIST
992 arch
993 as
994 build_suffix
995 cc
996 cpu
997 cross_prefix
998 dep_cc
999 extra_version
1000 host_cc
1001 host_cflags
1002 host_ldflags
1003 host_libs
1004 host_os
1005 ld
1006 logfile
1007 nm
1008 source_path
1009 sysinclude
1010 sysroot
1011 target_exec
1012 target_os
1013 target_path
1014 "
1015
1016 # code dependency declarations
1017
1018 # architecture extensions
1019 altivec_deps="ppc"
1020 amd3dnow_deps="mmx"
1021 amd3dnowext_deps="amd3dnow"
1022 armv5te_deps="arm"
1023 armv6_deps="arm"
1024 armv6t2_deps="arm"
1025 armvfp_deps="arm"
1026 iwmmxt_deps="arm"
1027 mmi_deps="mips"
1028 mmx_deps="x86"
1029 mmx2_deps="mmx"
1030 neon_deps="arm"
1031 ppc4xx_deps="ppc"
1032 sse_deps="mmx"
1033 ssse3_deps="sse"
1034 vis_deps="sparc"
1035
1036 # decoders / encoders / hardware accelerators
1037 aac_decoder_select="fft mdct"
1038 ac3_decoder_select="fft mdct"
1039 atrac3_decoder_select="fft mdct"
1040 cavs_decoder_select="golomb"
1041 cook_decoder_select="fft mdct"
1042 cscd_decoder_suggest="zlib"
1043 dca_decoder_select="fft mdct"
1044 dnxhd_encoder_select="aandct"
1045 dxa_decoder_select="zlib"
1046 eac3_decoder_select="fft mdct"
1047 eatgq_decoder_select="aandct"
1048 eatqi_decoder_select="aandct"
1049 ffv1_decoder_select="golomb"
1050 flac_decoder_select="golomb"
1051 flac_encoder_select="golomb"
1052 flashsv_decoder_select="zlib"
1053 flashsv_encoder_select="zlib"
1054 flv_encoder_select="aandct"
1055 h261_encoder_select="aandct"
1056 h263_encoder_select="aandct"
1057 h263_vaapi_hwaccel_deps="va_va_h"
1058 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1059 h263p_encoder_select="aandct"
1060 h264_decoder_select="golomb"
1061 h264_vaapi_hwaccel_deps="va_va_h"
1062 h264_vaapi_hwaccel_select="vaapi"
1063 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1064 h264_vdpau_decoder_select="vdpau h264_decoder"
1065 imc_decoder_select="fft mdct"
1066 jpegls_decoder_select="golomb"
1067 jpegls_encoder_select="golomb"
1068 ljpeg_encoder_select="aandct"
1069 loco_decoder_select="golomb"
1070 mjpeg_encoder_select="aandct"
1071 mpeg1video_encoder_select="aandct"
1072 mpeg2video_encoder_select="aandct"
1073 mpeg4_encoder_select="aandct"
1074 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1075 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1076 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1078 mpeg2_vaapi_hwaccel_deps="va_va_h"
1079 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1080 mpeg4_vaapi_hwaccel_deps="va_va_h"
1081 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1082 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1083 msmpeg4v1_encoder_select="aandct"
1084 msmpeg4v2_encoder_select="aandct"
1085 msmpeg4v3_encoder_select="aandct"
1086 nellymoser_decoder_select="fft mdct"
1087 nellymoser_encoder_select="fft mdct"
1088 png_decoder_select="zlib"
1089 png_encoder_select="zlib"
1090 qdm2_decoder_select="fft mdct rdft"
1091 rv10_encoder_select="aandct"
1092 rv20_encoder_select="aandct"
1093 rv30_decoder_select="golomb"
1094 rv40_decoder_select="golomb"
1095 shorten_decoder_select="golomb"
1096 sonic_decoder_select="golomb"
1097 sonic_encoder_select="golomb"
1098 sonic_ls_encoder_select="golomb"
1099 svq3_decoder_select="golomb"
1100 svq3_decoder_suggest="zlib"
1101 tiff_decoder_suggest="zlib"
1102 tiff_encoder_suggest="zlib"
1103 tscc_decoder_select="zlib"
1104 vc1_vaapi_hwaccel_deps="va_va_h"
1105 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1106 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1107 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1108 vorbis_decoder_select="fft mdct"
1109 vorbis_encoder_select="fft mdct"
1110 wmav1_decoder_select="fft mdct"
1111 wmav1_encoder_select="fft mdct"
1112 wmav2_decoder_select="fft mdct"
1113 wmav2_encoder_select="fft mdct"
1114 wmv1_encoder_select="aandct"
1115 wmv2_encoder_select="aandct"
1116 wmv3_vaapi_hwaccel_deps="va_va_h"
1117 wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1118 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1119 wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1120 zlib_decoder_select="zlib"
1121 zlib_encoder_select="zlib"
1122 zmbv_decoder_select="zlib"
1123 zmbv_encoder_select="zlib"
1124
1125 # parsers
1126 h264_parser_select="golomb"
1127
1128 # external libraries
1129 libdirac_decoder_deps="libdirac !libschroedinger"
1130 libdirac_encoder_deps="libdirac"
1131 libfaac_encoder_deps="libfaac"
1132 libfaad_decoder_deps="libfaad"
1133 libfaadbin_decoder_extralibs='$ldl'
1134 libgsm_decoder_deps="libgsm"
1135 libgsm_encoder_deps="libgsm"
1136 libgsm_ms_decoder_deps="libgsm"
1137 libgsm_ms_encoder_deps="libgsm"
1138 libmp3lame_encoder_deps="libmp3lame"
1139 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1140 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1141 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1142 libopenjpeg_decoder_deps="libopenjpeg"
1143 libschroedinger_decoder_deps="libschroedinger"
1144 libschroedinger_encoder_deps="libschroedinger"
1145 libspeex_decoder_deps="libspeex"
1146 libtheora_encoder_deps="libtheora"
1147 libvorbis_encoder_deps="libvorbis"
1148 libx264_encoder_deps="libx264"
1149 libxvid_encoder_deps="libxvid"
1150
1151 # demuxers / muxers
1152 ac3_demuxer_deps="ac3_parser"
1153 avisynth_demuxer_deps="avisynth"
1154 dirac_demuxer_deps="dirac_parser"
1155 libnut_demuxer_deps="libnut"
1156 libnut_muxer_deps="libnut"
1157 matroska_demuxer_suggest="zlib bzlib"
1158 mov_demuxer_suggest="zlib"
1159 mp3_demuxer_deps="mpegaudio_parser"
1160 redir_demuxer_deps="network"
1161 rtp_muxer_deps="network rtp_protocol"
1162 rtsp_demuxer_deps="sdp_demuxer"
1163 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1164
1165 # indevs / outdevs
1166 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1167 alsa_indev_extralibs="-lasound"
1168 alsa_outdev_deps="alsa_asoundlib_h"
1169 alsa_outdev_extralibs="-lasound"
1170 audio_beos_indev_deps="audio_beos"
1171 audio_beos_indev_extralibs="-lmedia -lbe"
1172 audio_beos_outdev_deps="audio_beos"
1173 audio_beos_outdev_extralibs="-lmedia -lbe"
1174 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1175 dv1394_indev_deps="dv1394 dv_demuxer"
1176 jack_indev_deps="jack_jack_h"
1177 jack_indev_extralibs="-ljack"
1178 libdc1394_indev_deps="libdc1394"
1179 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1180 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1181 v4l_indev_deps="linux_videodev_h"
1182 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1183 vfwcap_indev_deps="capCreateCaptureWindow"
1184 vfwcap_indev_extralibs="-lvfw32"
1185 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1186 x11_grab_device_indev_extralibs="-lX11 -lXext"
1187
1188 # protocols
1189 gopher_protocol_deps="network"
1190 http_protocol_deps="network"
1191 rtp_protocol_deps="udp_protocol"
1192 tcp_protocol_deps="network"
1193 udp_protocol_deps="network"
1194
1195 # filters
1196 movie_filter_deps="avfilter_lavf"
1197
1198 # programs
1199 ffplay_deps="sdl"
1200 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1201 ffserver_extralibs='$ldl'
1202
1203
1204 # default parameters
1205
1206 logfile="config.err"
1207
1208 # installation paths
1209 prefix_default="/usr/local"
1210 bindir_default='${prefix}/bin'
1211 datadir_default='${prefix}/share/ffmpeg'
1212 incdir_default='${prefix}/include'
1213 libdir_default='${prefix}/lib'
1214 mandir_default='${prefix}/share/man'
1215 shlibdir_default="$libdir_default"
1216
1217 # toolchain
1218 ar="ar"
1219 cc_default="gcc"
1220 host_cc_default="gcc"
1221 ln_s="ln -sf"
1222 nm_default="nm"
1223 objformat="elf"
1224 ranlib="ranlib"
1225 strip="strip"
1226 yasmexe="yasm"
1227
1228 # machine
1229 arch=$(uname -m)
1230 cpu="generic"
1231
1232 # OS
1233 target_os=$(tolower $(uname -s))
1234 host_os=$target_os
1235
1236 # configurable options
1237 enable debug
1238 enable fastdiv
1239 enable ffmpeg
1240 enable ffplay
1241 enable ffserver
1242 enable ipv6
1243 enable mpegaudio_hp
1244 enable network
1245 enable optimizations
1246 enable protocols
1247 enable static
1248 enable stripping
1249 enable swscale_alpha
1250
1251 # build settings
1252 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1253 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1254 FFSERVERLDFLAGS=-Wl,-E
1255 LIBPREF="lib"
1256 LIBSUF=".a"
1257 FULLNAME='$(NAME)$(BUILDSUF)'
1258 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1259 SLIBPREF="lib"
1260 SLIBSUF=".so"
1261 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1262 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1263 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1264 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1265
1266 host_cflags='-O3 -g -Wall'
1267 host_libs='-lm'
1268
1269 target_path='.'
1270
1271 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1272 # full relative path for objects in subdirectories for non-recursive Make.
1273 DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1274
1275 # find source path
1276 source_path="$(dirname "$0")"
1277 enable source_path_used
1278 if test -z "$source_path" -o "$source_path" = "." ; then
1279 source_path="$(pwd)"
1280 disable source_path_used
1281 else
1282 source_path="$(cd "$source_path"; pwd)"
1283 echo "$source_path" | grep -q '[[:blank:]]' &&
1284 die "Out of tree builds are impossible with whitespace in source path."
1285 test -e "$source_path/config.h" &&
1286 die "Out of tree builds are impossible with config.h in source dir."
1287 fi
1288
1289 for v in "$@"; do
1290 r=${v#*=}
1291 l=${v%"$r"}
1292 r=$(sh_quote "$r")
1293 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1294 done
1295
1296 find_things(){
1297 thing=$1
1298 pattern=$2
1299 file=$source_path/$3
1300 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1301 }
1302
1303 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1304 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1305 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1306 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1307 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1308 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1309 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1310 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1311 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1312 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1313 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1314
1315 enable $ARCH_EXT_LIST \
1316 $DECODER_LIST \
1317 $ENCODER_LIST \
1318 $HWACCEL_LIST \
1319 $PARSER_LIST \
1320 $BSF_LIST \
1321 $DEMUXER_LIST \
1322 $MUXER_LIST \
1323 $FILTER_LIST \
1324 $PROTOCOL_LIST \
1325 $INDEV_LIST \
1326 $OUTDEV_LIST \
1327
1328 die_unknown(){
1329 echo "Unknown option \"$1\"."
1330 echo "See $0 --help for available options."
1331 exit 1
1332 }
1333
1334 show_list() {
1335 suffix=_$1
1336 shift
1337 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1338 exit 0
1339 }
1340
1341 for opt do
1342 optval="${opt#*=}"
1343 case "$opt" in
1344 --extra-cflags=*) add_cflags $optval
1345 ;;
1346 --extra-ldflags=*) add_ldflags $optval
1347 ;;
1348 --extra-libs=*) add_extralibs $optval
1349 ;;
1350 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1351 ;;
1352 --enable-debug=*) debuglevel="$optval"
1353 ;;
1354 --enable-*=*|--disable-*=*)
1355 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1356 case "$thing" in
1357 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1358 *) die_unknown "$opt" ;;
1359 esac
1360 ;;
1361 --enable-?*|--disable-?*)
1362 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1363 if is_in $option $COMPONENT_LIST; then
1364 test $action = disable && action=unset
1365 eval $action \$$(toupper ${option%s})_LIST
1366 elif is_in $option $CMDLINE_SELECT; then
1367 $action $option
1368 else
1369 die_unknown $opt
1370 fi
1371 ;;
1372 --list-*)
1373 NAME="${opt#--list-}"
1374 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1375 NAME=${NAME%s}
1376 eval show_list $NAME \$$(toupper $NAME)_LIST
1377 ;;
1378 --help|-h) show_help
1379 ;;
1380 *)
1381 optname="${opt%%=*}"
1382 optname="${optname#--}"
1383 optname=$(echo "$optname" | sed 's/-/_/g')
1384 is_in $optname $CMDLINE_SET || die_unknown $opt
1385 eval $optname='$optval'
1386 ;;
1387 esac
1388 done
1389
1390 disabled logging && logfile=/dev/null
1391
1392 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1393 set >> $logfile
1394
1395 test -n "$cross_prefix" && enable cross_compile
1396
1397 ar="${cross_prefix}${ar}"
1398 cc_default="${cross_prefix}${cc_default}"
1399 nm_default="${cross_prefix}${nm_default}"
1400 ranlib="${cross_prefix}${ranlib}"
1401 strip="${cross_prefix}${strip}"
1402
1403 sysinclude_default="${sysroot}/usr/include"
1404
1405 set_default cc nm sysinclude
1406 as_default=$cc
1407 enabled cross_compile || host_cc_default=$cc
1408 set_default host_cc
1409
1410 exesuf() {
1411 case $1 in
1412 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1413 esac
1414 }
1415
1416 EXESUF=$(exesuf $target_os)
1417 HOSTEXESUF=$(exesuf $host_os)
1418
1419 # set temporary file name
1420 : ${TMPDIR:=$TEMPDIR}
1421 : ${TMPDIR:=$TMP}
1422 : ${TMPDIR:=/tmp}
1423
1424 if ! check_cmd type mktemp; then
1425 # simple replacement for missing mktemp
1426 # NOT SAFE FOR GENERAL USE
1427 mktemp(){
1428 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1429 }
1430 fi
1431
1432 tmpfile(){
1433 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1434 (set -C; exec > $tmp) 2>/dev/null ||
1435 die "Unable to create temoporary file in $TMPDIR."
1436 append TMPFILES $tmp
1437 eval $1=$tmp
1438 }
1439
1440 trap 'rm -f -- $TMPFILES' EXIT
1441 trap exit HUP INT TERM
1442
1443 tmpfile TMPC .c
1444 tmpfile TMPE $EXESUF
1445 tmpfile TMPH .h
1446 tmpfile TMPO .o
1447 tmpfile TMPS .S
1448 tmpfile TMPSH .sh
1449
1450 unset -f mktemp
1451
1452 # make sure we can execute files in $TMPDIR
1453 cat > $TMPSH 2>> $logfile <<EOF
1454 #! /bin/sh
1455 EOF
1456 chmod +x $TMPSH >> $logfile 2>&1
1457 if ! $TMPSH >> $logfile 2>&1; then
1458 cat <<EOF
1459 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1460 variable to another directory and make sure that it is not mounted noexec.
1461 EOF
1462 die "Sanity test failed."
1463 fi
1464
1465 if $cc --version 2>/dev/null | grep -qi gcc; then
1466 cc_type=gcc
1467 elif $cc --version 2>/dev/null | grep -q Intel; then
1468 cc_type=icc
1469 elif $cc -v 2>&1 | grep -q xlc; then
1470 cc_type=xlc
1471 elif $cc -V 2>/dev/null | grep -q Compaq; then
1472 cc_type=ccc
1473 DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1474 debuglevel=3
1475 add_ldflags -Wl,-z,now # calls to libots crash without this
1476 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1477 test -d "$sysroot" || die "No valid sysroot specified."
1478 cc_type=armcc
1479 armcc_conf="$PWD/armcc.conf"
1480 $cc --arm_linux_configure \
1481 --arm_linux_config_file="$armcc_conf" \
1482 --configure_sysroot="$sysroot" \
1483 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1484 die "Error creating armcc configuration file."
1485 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1486 as_default="${cross_prefix}gcc"
1487 fi
1488
1489 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1490
1491 : ${dep_cc_default:=$cc}
1492 : ${ld_default:=$cc}
1493 set_default as dep_cc ld
1494
1495 if test -n "$sysroot"; then
1496 case "$cc_type" in
1497 gcc)
1498 add_cppflags --sysroot="$sysroot"
1499 add_ldflags --sysroot="$sysroot"
1500 ;;
1501 esac
1502 fi
1503
1504 # compiler sanity check
1505 check_exec <<EOF
1506 int main(void){ return 0; }
1507 EOF
1508 if test "$?" != 0; then
1509 echo "$cc is unable to create an executable file."
1510 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1511 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1512 echo "Only do this if you know what cross compiling means."
1513 fi
1514 die "C compiler test failed."
1515 fi
1516
1517 check_cflags -std=c99
1518 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1519 #include <stdlib.h>
1520 EOF
1521 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1522 #include <stdlib.h>
1523 EOF
1524
1525 case "$arch" in
1526 alpha)
1527 arch="alpha"
1528 enable fast_64bit
1529 check_cflags -mieee
1530 ;;
1531 arm|armv[4567]*l)
1532 arch="arm"
1533 ;;
1534 avr32)
1535 ;;
1536 bfin)
1537 arch="bfin"
1538 ;;
1539 ia64)
1540 arch="ia64"
1541 enable fast_64bit
1542 ;;
1543 m68k)
1544 arch="m68k"
1545 ;;
1546 mips|mipsel|IP*)
1547 arch="mips"
1548 ;;
1549 mips64)
1550 arch="mips"
1551 subarch="mips64"
1552 enable fast_64bit
1553 ;;
1554 parisc|hppa)
1555 arch="parisc"
1556 ;;
1557 parisc64|hppa64)
1558 arch="parisc"
1559 enable fast_64bit
1560 ;;
1561 "Power Macintosh"|ppc|powerpc)
1562 arch="ppc"
1563 enable fast_unaligned
1564 ;;
1565 ppc64)
1566 arch="ppc"
1567 subarch="ppc64"
1568 enable fast_64bit
1569 enable fast_unaligned
1570 ;;
1571 s390|s390x)
1572 arch="s390"
1573 ;;
1574 sh4|sh)
1575 arch="sh4"
1576 ;;
1577 sparc)
1578 arch="sparc"
1579 ;;
1580 sun4u|sparc64)
1581 arch="sparc"
1582 subarch="sparc64"
1583 enable fast_64bit
1584 ;;
1585 i386|i486|i586|i686|i86pc|BePC)
1586 arch="x86"
1587 subarch="x86_32"
1588 enable fast_unaligned
1589 ;;
1590 x86_64|amd64)
1591 arch="x86"
1592 subarch="x86_32"
1593 enable cmov
1594 enable fast_cmov
1595 enable fast_unaligned
1596 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1597 int test[sizeof(char*) - 7];
1598 EOF
1599 ;;
1600 *)
1601 arch="unknown"
1602 ;;
1603 esac
1604
1605 enable $arch $subarch
1606
1607 # OS specific
1608 case $target_os in
1609 beos|haiku|zeta)
1610 prefix_default="$HOME/config"
1611 # helps building libavcodec
1612 add_cppflags -DPIC
1613 add_cflags -fomit-frame-pointer
1614 # 3 gcc releases known for BeOS, each with ugly bugs
1615 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1616 case "$gcc_version" in
1617 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1618 disable mmx
1619 ;;
1620 *20010315*) echo "BeBits gcc"
1621 add_cflags -fno-expensive-optimizations
1622 ;;
1623 esac
1624 SHFLAGS=-nostart
1625 # enable BeOS things
1626 enable audio_beos
1627 # no need for libm, but the inet stuff
1628 # Check for BONE
1629 # XXX: actually should check for NOT net_server
1630 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1631 network_extralibs="-lbind -lsocket"
1632 else
1633 enable beos_netserver
1634 network_extralibs="-lnet"
1635 fi ;;
1636 sunos)
1637 FFSERVERLDFLAGS=""
1638 SHFLAGS='-shared -Wl,-h,$$(@F)'
1639 network_extralibs="-lsocket -lnsl"
1640 add_cppflags -D__EXTENSIONS__
1641 ;;
1642 netbsd)
1643 oss_indev_extralibs="-lossaudio"
1644 oss_outdev_extralibs="-lossaudio"
1645 ;;
1646 openbsd)
1647 disable need_memalign
1648 LIBOBJFLAGS='$(PIC)'
1649 SHFLAGS='-shared'
1650 oss_indev_extralibs="-lossaudio"
1651 oss_outdev_extralibs="-lossaudio"
1652 ;;
1653 freebsd|dragonfly)
1654 disable need_memalign
1655 ;;
1656 bsd/os)
1657 osextralibs="-lpoll -lgnugetopt"
1658 strip="strip -d"
1659 ;;
1660 darwin)
1661 disable need_memalign
1662 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1663 strip="strip -x"
1664 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1665 SLIBSUF=".dylib"
1666 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1667 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1668 FFSERVERLDFLAGS=-Wl,-bind_at_load
1669 objformat="macho"
1670 enabled x86_64 && objformat="macho64"
1671 ;;
1672 mingw32*)
1673 target_os=mingw32
1674 LIBTARGET=i386
1675 if enabled x86_64; then
1676 disable need_memalign
1677 LIBTARGET=x64
1678 fi
1679 shlibdir_default="$bindir_default"
1680 disable ffserver
1681 SLIBPREF=""
1682 SLIBSUF=".dll"
1683 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1684 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1685 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1686 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1687 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1688 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1689 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1690 objformat="win32"
1691 enable dos_paths
1692 check_cflags -fno-common
1693 if ! enabled x86_64; then
1694 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1695 die "ERROR: MinGW runtime version must be >= 3.15."
1696 enabled_any avisynth vfwcap_demuxer &&
1697 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1698 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1699 fi
1700 ;;
1701 cygwin*)
1702 target_os=cygwin
1703 shlibdir_default="$bindir_default"
1704 SLIBPREF="cyg"
1705 SLIBSUF=".dll"
1706 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1707 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1708 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1709 objformat="win32"
1710 enable dos_paths
1711 check_cflags -fno-common
1712 ;;
1713 *-dos|freedos|opendos)
1714 disable ffplay ffserver
1715 disable $INDEV_LIST $OUTDEV_LIST
1716 network_extralibs="-lsocket"
1717 objformat="coff"
1718 enable dos_paths
1719 ;;
1720 linux)
1721 enable dv1394
1722 ;;
1723 irix*)
1724 target_os=irix
1725 ranlib="echo ignoring ranlib"
1726 ;;
1727 os/2*)
1728 strip="lxlite"
1729 ln_s="cp -f"
1730 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1731 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1732 FFSERVERLDFLAGS=""
1733 LIBSUF="_s.a"
1734 SLIBPREF=""
1735 SLIBSUF=".dll"
1736 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1737 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1738 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1739 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1740 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1741 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1742 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1743 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1744 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1745 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1746 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1747 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1748 enable dos_paths
1749 ;;
1750 gnu/kfreebsd)
1751 ;;
1752 gnu)
1753 ;;
1754
1755 *)
1756 die "Unknown OS '$target_os'."
1757 ;;
1758 esac
1759
1760 set_default $PATHS_LIST
1761
1762 add_extralibs $osextralibs
1763
1764 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1765 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1766
1767 # we need to build at least one lib type
1768 if ! enabled_any static shared; then
1769 cat <<EOF
1770 At least one library type must be built.
1771 Specify --enable-static to build the static libraries or --enable-shared to
1772 build the shared libraries as well. To only build the shared libraries specify
1773 --disable-static in addition to --enable-shared.
1774 EOF
1775 exit 1;
1776 fi
1777
1778 disabled static && LIBNAME=""
1779
1780 if enabled_any libfaad libfaadbin ; then
1781 if check_header faad.h; then
1782 check_cc <<EOF
1783 #include <faad.h>
1784 #ifndef FAAD2_VERSION
1785 ok faad1
1786 #endif
1787 int main(void) { return 0; }
1788 EOF
1789 test $? = 0 && enable libfaad2
1790 else
1791 die "FAAD test failed."
1792 fi
1793 fi
1794
1795
1796 die_license_disabled() {
1797 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1798 }
1799
1800 die_license_disabled gpl libfaad2
1801 die_license_disabled gpl libx264
1802 die_license_disabled gpl libxvid
1803 die_license_disabled gpl postproc
1804 die_license_disabled gpl x11grab
1805
1806 die_license_disabled nonfree libfaac
1807
1808 die_license_disabled version3 libopencore_amrnb
1809 die_license_disabled version3 libopencore_amrwb
1810
1811 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1812
1813 check_deps $ARCH_EXT_LIST
1814
1815 test -z "$need_memalign" && need_memalign="$mmx"
1816
1817 #Darwin CC versions
1818 if test $target_os = darwin; then
1819 if enabled xlc; then
1820 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1821 else
1822 add_cflags -pipe
1823 check_cflags -force_cpusubtype_ALL
1824 check_cflags -Wno-sign-compare
1825 enabled shared || check_cflags -mdynamic-no-pic
1826 fi
1827 fi
1828
1829 disabled optimizations || check_cflags -fomit-frame-pointer
1830
1831 # Add processor-specific flags
1832 if test $cpu != "generic"; then
1833 warn_altivec(){
1834 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1835 }
1836 case $cpu in
1837 601|ppc601|PowerPC601)
1838 add_cflags -mcpu=601
1839 warn_altivec enabled PPC601
1840 ;;
1841 603*|ppc603*|PowerPC603*)
1842 add_cflags -mcpu=603
1843 warn_altivec enabled PPC603
1844 ;;
1845 604*|ppc604*|PowerPC604*)
1846 add_cflags -mcpu=604
1847 warn_altivec enabled PPC604
1848 ;;
1849 G3|g3|75*|ppc75*|PowerPC75*)
1850 add_cflags -mcpu=750 -mpowerpc-gfxopt
1851 warn_altivec enabled PPC75x
1852 ;;
1853 G4|g4|745*|ppc745*|PowerPC745*)
1854 add_cflags -mcpu=7450 -mpowerpc-gfxopt
1855 warn_altivec disabled PPC745x
1856 ;;
1857 74*|ppc74*|PowerPC74*)
1858 add_cflags -mcpu=7400 -mpowerpc-gfxopt
1859 warn_altivec disabled PPC74xx
1860 ;;
1861 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1862 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1863 warn_altivec disabled PPC970
1864 ;;
1865 Cell|CELL|cell)
1866 add_cflags -mcpu=cell
1867 warn_altivec disabled Cell
1868 enable ldbrx
1869 ;;
1870 # targets that do NOT support conditional mov (cmov)
1871 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1872 add_cflags -march=$cpu
1873 disable cmov
1874 ;;
1875 # targets that do support conditional mov (cmov)
1876 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1877 add_cflags -march=$cpu
1878 enable cmov
1879 enable fast_cmov
1880 ;;
1881 # targets that do support conditional mov but on which it's slow
1882 pentium4|pentium4m|prescott|nocona)
1883 add_cflags -march=$cpu
1884 enable cmov
1885 disable fast_cmov
1886 ;;
1887 sparc64)
1888 add_cflags -mcpu=v9
1889 ;;
1890 arm11*|cortex*)
1891 add_cflags -mcpu=$cpu
1892 enable fast_unaligned
1893 ;;
1894 armv[67]*)
1895 add_cflags -march=$cpu
1896 enable fast_unaligned
1897 ;;
1898 armv*)
1899 add_cflags -march=$cpu
1900 ;;
1901 arm*)
1902 add_cflags -mcpu=$cpu
1903 ;;
1904 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1905 enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1906 ;;
1907 bf*)
1908 add_cflags -mcpu=$cpu
1909 ;;
1910 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1911 add_cflags -march=$cpu
1912 ;;
1913 *)
1914 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1915 ;;
1916 esac
1917 fi
1918
1919 check_cc <<EOF || die "Symbol mangling check failed."
1920 int ff_extern;
1921 EOF
1922 sym=$($nm -P -g $TMPO | grep ff_extern)
1923 extern_prefix=${sym%%ff_extern*}
1924
1925 check_cc <<EOF && enable inline_asm
1926 void foo(void) { __asm__ volatile ("" ::); }
1927 EOF
1928
1929 if enabled x86; then
1930 # check whether EBP is available on x86
1931 # As 'i' is stored on the stack, this program will crash
1932 # if the base pointer is used to access it because the
1933 # base pointer is cleared in the inline assembly code.
1934 check_exec_crash <<EOF && enable ebp_available
1935 volatile int i=0;
1936 __asm__ volatile (
1937 "xorl %%ebp, %%ebp"
1938 ::: "%ebp");
1939 return i;
1940 EOF
1941
1942 # check wether EBX is available on x86
1943 check_asm ebx_available '"":::"%ebx"'
1944
1945 # check whether more than 10 operands are supported
1946 check_cc <<EOF && enable ten_operands
1947 int main(void) {
1948 int x=0;
1949 __asm__ volatile(
1950 ""
1951 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1952 );
1953 return 0;
1954 }
1955 EOF
1956
1957 # check whether binutils is new enough to compile SSSE3/MMX2
1958 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1959 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1960
1961 check_asm bswap '"bswap %%eax" ::: "%eax"'
1962
1963 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1964 enabled x86_64 && append YASMFLAGS "-m amd64"
1965 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1966 case "$objformat" in
1967 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1968 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1969 *) append YASMFLAGS "-DPREFIX" ;;
1970 esac
1971 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1972 fi
1973
1974 # check for assembler specific support
1975
1976 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1977
1978 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1979 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1980 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1981
1982 # check for SIMD availability
1983
1984 # AltiVec flags: The FSF version of GCC differs from the Apple version
1985 if enabled altivec; then
1986 check_cflags -maltivec -mabi=altivec &&
1987 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1988 check_cflags -faltivec
1989
1990 # check if our compiler supports Motorola AltiVec C API
1991 check_cc <<EOF || disable altivec
1992 $inc_altivec_h
1993 int main(void) {
1994 vector signed int v1, v2, v3;
1995 v1 = vec_add(v2,v3);
1996 return 0;
1997 }
1998 EOF
1999
2000 # check if our compiler supports braces for vector declarations
2001 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2002 $inc_altivec_h
2003 int main (void) { (vector int) {1}; return 0; }
2004 EOF
2005 fi
2006
2007 # We have to check if pld is a nop and disable it.
2008 enabled arm && check_asm pld '"pld [r0]"'
2009 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2010 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2011 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2012 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2013 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2014 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2015 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2016 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2017
2018 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2019
2020 # ---
2021 # big/little-endian test
2022 check_cc <<EOF || die "endian test failed"
2023 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2024 EOF
2025 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2026
2027 # ---
2028 # check availability of some header files
2029
2030 if check_func dlopen; then
2031 ldl=
2032 elif check_func dlopen -ldl; then
2033 ldl=-ldl
2034 fi
2035
2036 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2037 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2038
2039 check_func fork
2040 check_func gethrtime
2041 check_func getrusage
2042 check_func inet_aton $network_extralibs
2043 check_func memalign
2044 check_func mkstemp
2045 check_func posix_memalign
2046 check_func_headers io.h setmode
2047 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2048 check_func_headers windows.h GetProcessTimes
2049 check_func_headers windows.h VirtualAlloc
2050
2051 check_header conio.h
2052 check_header dlfcn.h
2053 check_header malloc.h
2054 check_header poll.h
2055 check_header sys/mman.h
2056 check_header sys/resource.h
2057 check_header sys/select.h
2058 check_header termios.h
2059 check_header vdpau/vdpau.h
2060 check_header vdpau/vdpau_x11.h
2061 check_header X11/extensions/XvMClib.h
2062
2063 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2064 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2065 fi
2066
2067 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2068 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2069
2070 # check for some common methods of building with pthread support
2071 # do this before the optional library checks as some of them require pthreads
2072 if enabled pthreads; then
2073 if check_func pthread_create; then
2074 :
2075 elif check_func pthread_create -pthread; then
2076 add_cflags -pthread
2077 add_extralibs -pthread
2078 elif check_func pthread_create -pthreads; then
2079 add_cflags -pthreads
2080 add_extralibs -pthreads
2081 elif check_func pthread_create -lpthreadGC2; then
2082 add_extralibs -lpthreadGC2
2083 elif ! check_lib pthread.h pthread_create -lpthread; then
2084 die "ERROR: can't find pthreads library"
2085 fi
2086 fi
2087
2088 for thread in $THREADS_LIST; do
2089 if enabled $thread; then
2090 test -n "$thread_type" &&
2091 die "ERROR: Only one thread type must be selected." ||
2092 thread_type="$thread"
2093 fi
2094 done
2095
2096 check_lib math.h sin -lm
2097 check_lib va/va.h vaInitialize -lva
2098
2099 # test for C99 functions in math.h
2100 for func in llrint log2 lrint lrintf round roundf truncf; do
2101 check_exec <<EOF && enable $func || disable $func
2102 #include <math.h>
2103 int main(void) { return ($func(3.999f) > 0)?0:1; }
2104 EOF
2105 done
2106
2107 # these are off by default, so fail if requested and not available
2108 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2109 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2110 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2111 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2112 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2113 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2114 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2115 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2116 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2117 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2118 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2119 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2120 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2121 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2122 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2123 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2124 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2125 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2126 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2127 die "ERROR: libx264 version must be >= 0.65."; }
2128 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2129 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2130
2131 # libdc1394 check
2132 if enabled libdc1394; then
2133 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2134 enable libdc1394_2; } ||
2135 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2136 enable libdc1394_1; } ||
2137 die "ERROR: No version of libdc1394 found "
2138 fi
2139
2140
2141 _restrict=
2142 for restrict_keyword in restrict __restrict__ __restrict; do
2143 check_cc <<EOF && _restrict=$restrict_keyword && break
2144 void foo(char * $restrict_keyword p);
2145 EOF
2146 done
2147
2148 ##########################################
2149 # SDL check
2150
2151 disable sdl_too_old
2152 disable sdl
2153 SDL_CONFIG="${cross_prefix}sdl-config"
2154 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2155 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2156 temp_cflags $sdl_cflags
2157 temp_extralibs $("${SDL_CONFIG}" --libs)
2158 if check_lib2 SDL.h SDL_Init; then
2159 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2160 if test "$_sdlversion" -lt 121 ; then
2161 enable sdl_too_old
2162 else
2163 enable sdl
2164 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2165 #include <SDL.h>
2166 int main(int argc, char **argv){
2167 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2168 int w = vi->current_w;
2169 return 0;
2170 }
2171 EOF
2172 fi
2173 fi
2174 restore_flags
2175 fi
2176
2177 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2178
2179 ##########################################
2180 # Network check
2181
2182 if enabled network; then
2183 check_type "sys/types.h sys/socket.h" socklen_t
2184 # Prefer arpa/inet.h over winsock2
2185 if check_header arpa/inet.h ; then
2186 check_func closesocket
2187 elif check_header winsock2.h ; then
2188 network_extralibs="-lws2_32"
2189 check_type ws2tcpip.h socklen_t
2190 check_func_headers winsock2.h closesocket
2191 else
2192 disable network
2193 fi
2194 fi
2195
2196 ##########################################
2197 # IPv6 check
2198
2199 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2200 #include <sys/types.h>
2201 #include <sys/socket.h>
2202 #include <netinet/in.h>
2203 #include <netdb.h>
2204 int main(void) {
2205 struct sockaddr_storage saddr;
2206 struct ipv6_mreq mreq6;
2207 getaddrinfo(0,0,0,0);
2208 getnameinfo(0,0,0,0,0,0,0);
2209 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2210 }
2211 EOF
2212
2213 check_header linux/videodev.h
2214 check_header linux/videodev2.h
2215 check_header sys/videoio.h
2216
2217 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2218
2219 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2220 { check_header dev/bktr/ioctl_meteor.h &&
2221 check_header dev/bktr/ioctl_bt848.h; } ||
2222 { check_header machine/ioctl_meteor.h &&
2223 check_header machine/ioctl_bt848.h; } ||
2224 { check_header dev/video/meteor/ioctl_meteor.h &&
2225 check_header dev/video/bktr/ioctl_bt848.h; } ||
2226 check_header dev/ic/bt8xx.h
2227
2228 check_header sys/soundcard.h
2229 check_header soundcard.h
2230
2231 enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2232
2233 enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2234
2235 # deal with the X11 frame grabber
2236 enabled x11grab &&
2237 check_header X11/Xlib.h &&
2238 check_header X11/extensions/XShm.h &&
2239 check_func XOpenDisplay -lX11 &&
2240 check_func XShmCreateImage -lX11 -lXext
2241
2242 enabled debug && add_cflags -g"$debuglevel"
2243
2244 # add some useful compiler flags if supported
2245 check_cflags -Wdeclaration-after-statement
2246 check_cflags -Wall
2247 check_cflags -Wno-switch
2248 check_cflags -Wdisabled-optimization
2249 check_cflags -Wpointer-arith
2250 check_cflags -Wredundant-decls
2251 check_cflags -Wno-pointer-sign
2252 check_cflags -Wcast-qual
2253 check_cflags -Wwrite-strings
2254 check_cflags -Wtype-limits
2255 check_cflags -Wundef
2256 enabled extra_warnings && check_cflags -Winline
2257
2258 # add some linker flags
2259 check_ldflags -Wl,--warn-common
2260 check_ldflags -Wl,--as-needed
2261 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'
2262 check_ldflags -Wl,-Bsymbolic
2263
2264 if enabled small; then
2265 check_cflags -Os # not all compilers support -Os
2266 optimizations="small"
2267 elif enabled optimizations; then
2268 if enabled xlc; then
2269 add_cflags -O5
2270 add_ldflags -O5
2271 elif enabled ccc; then
2272 add_cflags -fast
2273 else
2274 add_cflags -O3
2275 fi
2276 fi
2277 check_cflags -fno-math-errno
2278 check_cflags -fno-signed-zeros
2279
2280 # add some flags for Intel C Compiler
2281 if enabled icc; then
2282 # Just warnings, no remarks
2283 check_cflags -w1
2284 # -wd: Disable following warnings
2285 # 144, 167, 556: -Wno-pointer-sign
2286 # 10006: ignoring unknown option -fno-signed-zeros
2287 # 10156: ignoring option '-W'; no argument required
2288 check_cflags -wd144,167,556,10006,10156
2289 # 11030: Warning unknown option --as-needed
2290 # 10156: ignoring option '-export'; no argument required
2291 check_ldflags -wd10156,11030
2292 # Allow to compile with optimizations
2293 check_ldflags -march=$cpu
2294 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2295 enable ebp_available
2296 elif enabled ccc; then
2297 # disable some annoying warnings
2298 add_cflags -msg_disable cvtu32to64
2299 add_cflags -msg_disable embedcomment
2300 add_cflags -msg_disable needconstext
2301 add_cflags -msg_disable nomainieee
2302 add_cflags -msg_disable ptrmismatch1
2303 add_cflags -msg_disable unreachcode
2304 fi
2305
2306 # PIC flags for shared library objects where they are needed
2307 if enabled shared; then
2308 # LIBOBJFLAGS may have already been set in the OS configuration
2309 if test -z "$LIBOBJFLAGS" ; then
2310 case "${subarch-$arch}" in
2311 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2312 esac
2313 fi
2314 fi
2315
2316 if enabled gprof; then
2317 add_cflags -p
2318 add_ldflags -p
2319 fi
2320
2321 # Find out if the .align argument is a power of two or not.
2322 check_asm asmalign_pot '".align 3"'
2323
2324 enabled_any $DECODER_LIST && enable decoders
2325 enabled_any $ENCODER_LIST && enable encoders
2326 enabled_any $HWACCEL_LIST && enable hwaccels
2327 enabled_any $BSF_LIST && enable bsfs
2328 enabled_any $DEMUXER_LIST && enable demuxers
2329 enabled_any $MUXER_LIST && enable muxers
2330 enabled_any $FILTER_LIST && enable filters
2331 enabled_any $INDEV_LIST && enable demuxers
2332 enabled_any $OUTDEV_LIST && enable muxers
2333 enabled_any $PROTOCOL_LIST && enable protocols
2334
2335 enabled_any $THREADS_LIST && enable threads
2336
2337 check_deps $CONFIG_LIST \
2338 $CONFIG_EXTRA \
2339 $HAVE_LIST \
2340 $DECODER_LIST \
2341 $ENCODER_LIST \
2342 $HWACCEL_LIST \
2343 $PARSER_LIST \
2344 $BSF_LIST \
2345 $DEMUXER_LIST \
2346 $MUXER_LIST \
2347 $FILTER_LIST \
2348 $INDEV_LIST \
2349 $OUTDEV_LIST \
2350 $PROTOCOL_LIST \
2351
2352 echo "install prefix $prefix"
2353 echo "source path $source_path"
2354 echo "C compiler $cc"
2355 echo ".align is power-of-two $asmalign_pot"
2356 echo "ARCH $arch ($cpu)"
2357 if test "$build_suffix" != ""; then
2358 echo "build suffix $build_suffix"
2359 fi
2360 if test "$extra_version" != ""; then
2361 echo "version string suffix $extra_version"
2362 fi
2363 echo "big-endian ${bigendian-no}"
2364 echo "runtime cpu detection ${runtime_cpudetect-no}"
2365 if enabled x86; then
2366 echo "yasm ${yasm-no}"
2367 echo "MMX enabled ${mmx-no}"
2368 echo "MMX2 enabled ${mmx2-no}"
2369 echo "3DNow! enabled ${amd3dnow-no}"
2370 echo "3DNow! extended enabled ${amd3dnowext-no}"
2371 echo "SSE enabled ${sse-no}"
2372 echo "SSSE3 enabled ${ssse3-no}"
2373 echo "CMOV enabled ${cmov-no}"
2374 echo "CMOV is fast ${fast_cmov-no}"
2375 echo "EBX available ${ebx_available-no}"
2376 echo "EBP available ${ebp_available-no}"
2377 echo "10 operands supported ${ten_operands-no}"
2378 fi
2379 if enabled arm; then
2380 echo "ARMv5TE enabled ${armv5te-no}"
2381 echo "ARMv6 enabled ${armv6-no}"
2382 echo "ARMv6T2 enabled ${armv6t2-no}"
2383 echo "ARM VFP enabled ${armvfp-no}"
2384 echo "IWMMXT enabled ${iwmmxt-no}"
2385 echo "NEON enabled ${neon-no}"
2386 fi
2387 if enabled mips; then
2388 echo "MMI enabled ${mmi-no}"
2389 fi
2390 if enabled ppc; then
2391 echo "AltiVec enabled ${altivec-no}"
2392 echo "PPC 4xx optimizations ${ppc4xx-no}"
2393 echo "dcbzl available ${dcbzl-no}"
2394 echo "performance report ${powerpc_perf-no}"
2395 fi
2396 if enabled sparc; then
2397 echo "VIS enabled ${vis-no}"
2398 fi
2399 echo "gprof enabled ${gprof-no}"
2400 echo "debug symbols ${debug-no}"
2401 echo "strip symbols ${stripping-no}"
2402 echo "optimizations ${optimizations-no}"
2403 echo "static ${static-no}"
2404 echo "shared ${shared-no}"
2405 echo "postprocessing support ${postproc-no}"
2406 echo "new filter support ${avfilter-no}"
2407 echo "filters using lavformat ${avfilter_lavf-no}"
2408 echo "network support ${network-no}"
2409 if enabled network; then
2410 echo "IPv6 support ${ipv6-no}"
2411 fi
2412 echo "threading support ${thread_type-no}"
2413 echo "SDL support ${sdl-no}"
2414 if enabled sdl_too_old; then
2415 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2416 fi
2417 echo "Sun medialib support ${mlib-no}"
2418 echo "AVISynth enabled ${avisynth-no}"
2419 echo "libdc1394 support ${libdc1394-no}"
2420 echo "libdirac enabled ${libdirac-no}"
2421 echo "libfaac enabled ${libfaac-no}"
2422 echo "libfaad enabled ${libfaad-no}"
2423 echo "libfaad dlopened ${libfaadbin-no}"
2424 echo "libgsm enabled ${libgsm-no}"
2425 echo "libmp3lame enabled ${libmp3lame-no}"
2426 echo "libnut enabled ${libnut-no}"
2427 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2428 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2429 echo "libopenjpeg enabled ${libopenjpeg-no}"
2430 echo "libschroedinger enabled ${libschroedinger-no}"
2431 echo "libspeex enabled ${libspeex-no}"
2432 echo "libtheora enabled ${libtheora-no}"
2433 echo "libvorbis enabled ${libvorbis-no}"
2434 echo "libx264 enabled ${libx264-no}"
2435 echo "libxvid enabled ${libxvid-no}"
2436 echo "zlib enabled ${zlib-no}"
2437 echo "bzlib enabled ${bzlib-no}"
2438 echo
2439
2440 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2441 echo "Enabled ${type}s:"
2442 eval list=\$$(toupper $type)_LIST
2443 for part in $list; do
2444 enabled $part && echo ${part%_*}
2445 done | sort | pr -3 -t
2446 echo
2447 done
2448
2449 license="LGPL version 2.1 or later"
2450 if enabled nonfree; then
2451 license="nonfree and unredistributable"
2452 elif enabled gplv3; then
2453 license="GPL version 3 or later"
2454 elif enabled lgplv3; then
2455 license="LGPL version 3 or later"
2456 elif enabled gpl; then
2457 license="GPL version 2 or later"
2458 fi
2459
2460 echo "License: $license"
2461
2462 echo "Creating config.mak and config.h..."
2463
2464 echo "# Automatically generated by configure - do not modify!" > config.mak
2465 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2466 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2467 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2468 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2469 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2470
2471 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2472 echo "prefix=$prefix" >> config.mak
2473 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2474 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2475 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2476 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2477 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2478 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2479 echo "SRC_PATH=\"$source_path\"" >> config.mak
2480 echo "SRC_PATH_BARE=$source_path" >> config.mak
2481 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2482 echo "CC=$cc" >> config.mak
2483 echo "AS=$as" >> config.mak
2484 echo "LD=$ld" >> config.mak
2485 echo "DEPCC=$dep_cc" >> config.mak
2486 echo "YASM=$yasmexe" >> config.mak
2487 echo "AR=$ar" >> config.mak
2488 echo "RANLIB=$ranlib" >> config.mak
2489 echo "LN_S=$ln_s" >> config.mak
2490 enabled stripping &&
2491 echo "STRIP=$strip" >> config.mak ||
2492 echo "STRIP=echo ignoring strip" >> config.mak
2493
2494 echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2495 echo "CFLAGS=$CFLAGS" >> config.mak
2496 echo "LDFLAGS=$LDFLAGS" >> config.mak
2497 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2498 echo "SHFLAGS=$SHFLAGS" >> config.mak
2499 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2500 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2501 echo "BUILD_STATIC=$static" >> config.mak
2502 echo "BUILDSUF=$build_suffix" >> config.mak
2503 echo "FULLNAME=$FULLNAME" >> config.mak
2504 echo "LIBPREF=$LIBPREF" >> config.mak
2505 echo "LIBSUF=$LIBSUF" >> config.mak
2506 echo "LIBNAME=$LIBNAME" >> config.mak
2507 echo "SLIBPREF=$SLIBPREF" >> config.mak
2508 echo "SLIBSUF=$SLIBSUF" >> config.mak
2509 echo "EXESUF=$EXESUF" >> config.mak
2510 echo "EXTRA_VERSION=$extra_version" >> config.mak
2511 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2512 echo "HOSTCC=$host_cc" >> config.mak
2513 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2514 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2515 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2516 echo "HOSTLIBS=$host_libs" >> config.mak
2517 echo "TARGET_EXEC=$target_exec" >> config.mak
2518 echo "TARGET_PATH=$target_path" >> config.mak
2519
2520 if enabled bigendian; then
2521 echo "WORDS_BIGENDIAN=yes" >> config.mak
2522 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2523 fi
2524
2525 if enabled sdl; then
2526 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2527 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2528 fi
2529 if enabled texi2html; then
2530 echo "BUILD_DOC=yes" >> config.mak
2531 fi
2532
2533 get_version(){
2534 name=$1
2535 file=$source_path/$2
2536 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2537 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2538 lcname=$(tolower $name)
2539 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2540 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2541 }
2542
2543 get_version LIBSWSCALE libswscale/swscale.h
2544 get_version LIBPOSTPROC libpostproc/postprocess.h
2545 get_version LIBAVCODEC libavcodec/avcodec.h
2546 get_version LIBAVDEVICE libavdevice/avdevice.h
2547 get_version LIBAVFORMAT libavformat/avformat.h
2548 get_version LIBAVUTIL libavutil/avutil.h
2549 get_version LIBAVFILTER libavfilter/avfilter.h
2550
2551 if enabled shared; then
2552 echo "BUILD_SHARED=yes" >> config.mak
2553 echo "PIC=-fPIC -DPIC" >> config.mak
2554 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2555 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2556 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2557 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2558 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2559 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2560 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2561 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2562 fi
2563 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2564 echo "EXTRALIBS=$extralibs" >> config.mak
2565
2566 echo "ARCH=$arch" >> config.mak
2567
2568 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2569 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2570 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2571 $CONFIG_EXTRA \
2572 $DECODER_LIST \
2573 $ENCODER_LIST \
2574 $HWACCEL_LIST \
2575 $PARSER_LIST \
2576 $BSF_LIST \
2577 $DEMUXER_LIST \
2578 $MUXER_LIST \
2579 $FILTER_LIST \
2580 $PROTOCOL_LIST \
2581 $INDEV_LIST \
2582 $OUTDEV_LIST \
2583
2584 echo "#define restrict $_restrict" >> $TMPH
2585
2586 if enabled small; then
2587 echo "#define av_always_inline" >> $TMPH
2588 fi
2589
2590
2591 # Apparently it's not possible to portably echo a backslash.
2592 enabled asmalign_pot &&
2593 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2594 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2595
2596 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2597
2598 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2599
2600 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2601 cmp -s $TMPH config.h &&
2602 echo "config.h is unchanged" ||
2603 mv -f $TMPH config.h
2604
2605 # build tree in object directory if source path is different from current one
2606 if enabled source_path_used; then
2607 DIRS="\
2608 doc \
2609 libavcodec \
2610 libavcodec/alpha \
2611 libavcodec/arm \
2612 libavcodec/bfin \
2613 libavcodec/mlib \
2614 libavcodec/ppc \
2615 libavcodec/sh4 \
2616 libavcodec/sparc \
2617 libavcodec/x86 \
2618 libavdevice \
2619 libavfilter \
2620 libavformat \
2621 libavutil \
2622 libpostproc \
2623 libswscale \
2624 libswscale/bfin \
2625 libswscale/mlib \
2626 libswscale/ppc \
2627 libswscale/sparc \
2628 libswscale/x86 \
2629 tests \
2630 tools \
2631 "
2632 FILES="\
2633 Makefile \
2634 common.mak \
2635 subdir.mak \
2636 doc/texi2pod.pl \
2637 libavcodec/Makefile \
2638 libavdevice/Makefile \
2639 libavfilter/Makefile \
2640 libavformat/Makefile \
2641 libavutil/Makefile \
2642 libpostproc/Makefile \
2643 libswscale/Makefile \
2644 "
2645 for dir in $DIRS ; do
2646 mkdir -p $dir
2647 done
2648 for f in $FILES ; do
2649 $ln_s "$source_path/$f" $f
2650 done
2651 fi
2652
2653
2654 # build pkg-config files
2655
2656 pkgconfig_generate(){
2657 name=$1
2658 shortname=${name#lib}${build_suffix}
2659 comment=$2
2660 version=$3
2661 libs=$4
2662 requires=$5
2663 cat <<EOF > $name/$name.pc
2664 prefix=$prefix
2665 exec_prefix=\${prefix}
2666 libdir=$libdir
2667 includedir=$incdir
2668
2669 Name: $name
2670 Description: $comment
2671 Version: $version
2672 Requires: $(disabled shared && echo $requires)
2673 Requires.private: $(enabled shared && echo $requires)
2674 Conflicts:
2675 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2676 Libs.private: $(enabled shared && echo $libs)
2677 Cflags: -I\${includedir}
2678 EOF
2679 cat <<EOF > $name/$name-uninstalled.pc
2680 prefix=
2681 exec_prefix=
2682 libdir=\${pcfiledir}
2683 includedir=${source_path}
2684
2685 Name: $name
2686 Description: $comment
2687 Version: $version
2688 Requires: $requires
2689 Conflicts:
2690 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2691 Cflags: -I\${includedir}
2692 EOF
2693 }
2694
2695 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2696 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2697 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2698 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2699 enabled avfilter &&
2700 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2701 enabled postproc &&
2702 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2703 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"