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