fd03403b25bf3f052047260ab4f21ad3dc9d2a42
[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 CC_O='-o $@'
1267
1268 host_cflags='-O3 -g -Wall'
1269 host_libs='-lm'
1270
1271 target_path='.'
1272
1273 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1274 # full relative path for objects in subdirectories for non-recursive Make.
1275 DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1276
1277 # find source path
1278 source_path="$(dirname "$0")"
1279 enable source_path_used
1280 if test -z "$source_path" -o "$source_path" = "." ; then
1281 source_path="$(pwd)"
1282 disable source_path_used
1283 else
1284 source_path="$(cd "$source_path"; pwd)"
1285 echo "$source_path" | grep -q '[[:blank:]]' &&
1286 die "Out of tree builds are impossible with whitespace in source path."
1287 test -e "$source_path/config.h" &&
1288 die "Out of tree builds are impossible with config.h in source dir."
1289 fi
1290
1291 for v in "$@"; do
1292 r=${v#*=}
1293 l=${v%"$r"}
1294 r=$(sh_quote "$r")
1295 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1296 done
1297
1298 find_things(){
1299 thing=$1
1300 pattern=$2
1301 file=$source_path/$3
1302 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1303 }
1304
1305 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1306 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1307 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1308 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1309 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1310 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1311 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1312 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1313 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1314 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1315 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1316
1317 enable $ARCH_EXT_LIST \
1318 $DECODER_LIST \
1319 $ENCODER_LIST \
1320 $HWACCEL_LIST \
1321 $PARSER_LIST \
1322 $BSF_LIST \
1323 $DEMUXER_LIST \
1324 $MUXER_LIST \
1325 $FILTER_LIST \
1326 $PROTOCOL_LIST \
1327 $INDEV_LIST \
1328 $OUTDEV_LIST \
1329
1330 die_unknown(){
1331 echo "Unknown option \"$1\"."
1332 echo "See $0 --help for available options."
1333 exit 1
1334 }
1335
1336 show_list() {
1337 suffix=_$1
1338 shift
1339 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1340 exit 0
1341 }
1342
1343 for opt do
1344 optval="${opt#*=}"
1345 case "$opt" in
1346 --extra-cflags=*) add_cflags $optval
1347 ;;
1348 --extra-ldflags=*) add_ldflags $optval
1349 ;;
1350 --extra-libs=*) add_extralibs $optval
1351 ;;
1352 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1353 ;;
1354 --enable-debug=*) debuglevel="$optval"
1355 ;;
1356 --enable-*=*|--disable-*=*)
1357 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1358 case "$thing" in
1359 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1360 *) die_unknown "$opt" ;;
1361 esac
1362 ;;
1363 --enable-?*|--disable-?*)
1364 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1365 if is_in $option $COMPONENT_LIST; then
1366 test $action = disable && action=unset
1367 eval $action \$$(toupper ${option%s})_LIST
1368 elif is_in $option $CMDLINE_SELECT; then
1369 $action $option
1370 else
1371 die_unknown $opt
1372 fi
1373 ;;
1374 --list-*)
1375 NAME="${opt#--list-}"
1376 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1377 NAME=${NAME%s}
1378 eval show_list $NAME \$$(toupper $NAME)_LIST
1379 ;;
1380 --help|-h) show_help
1381 ;;
1382 *)
1383 optname="${opt%%=*}"
1384 optname="${optname#--}"
1385 optname=$(echo "$optname" | sed 's/-/_/g')
1386 is_in $optname $CMDLINE_SET || die_unknown $opt
1387 eval $optname='$optval'
1388 ;;
1389 esac
1390 done
1391
1392 disabled logging && logfile=/dev/null
1393
1394 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1395 set >> $logfile
1396
1397 test -n "$cross_prefix" && enable cross_compile
1398
1399 ar="${cross_prefix}${ar}"
1400 cc_default="${cross_prefix}${cc_default}"
1401 nm_default="${cross_prefix}${nm_default}"
1402 ranlib="${cross_prefix}${ranlib}"
1403 strip="${cross_prefix}${strip}"
1404
1405 sysinclude_default="${sysroot}/usr/include"
1406
1407 set_default cc nm sysinclude
1408 as_default=$cc
1409 enabled cross_compile || host_cc_default=$cc
1410 set_default host_cc
1411
1412 exesuf() {
1413 case $1 in
1414 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1415 esac
1416 }
1417
1418 EXESUF=$(exesuf $target_os)
1419 HOSTEXESUF=$(exesuf $host_os)
1420
1421 # set temporary file name
1422 : ${TMPDIR:=$TEMPDIR}
1423 : ${TMPDIR:=$TMP}
1424 : ${TMPDIR:=/tmp}
1425
1426 if ! check_cmd type mktemp; then
1427 # simple replacement for missing mktemp
1428 # NOT SAFE FOR GENERAL USE
1429 mktemp(){
1430 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1431 }
1432 fi
1433
1434 tmpfile(){
1435 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1436 (set -C; exec > $tmp) 2>/dev/null ||
1437 die "Unable to create temoporary file in $TMPDIR."
1438 append TMPFILES $tmp
1439 eval $1=$tmp
1440 }
1441
1442 trap 'rm -f -- $TMPFILES' EXIT
1443 trap exit HUP INT TERM
1444
1445 tmpfile TMPC .c
1446 tmpfile TMPE $EXESUF
1447 tmpfile TMPH .h
1448 tmpfile TMPO .o
1449 tmpfile TMPS .S
1450 tmpfile TMPSH .sh
1451
1452 unset -f mktemp
1453
1454 # make sure we can execute files in $TMPDIR
1455 cat > $TMPSH 2>> $logfile <<EOF
1456 #! /bin/sh
1457 EOF
1458 chmod +x $TMPSH >> $logfile 2>&1
1459 if ! $TMPSH >> $logfile 2>&1; then
1460 cat <<EOF
1461 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1462 variable to another directory and make sure that it is not mounted noexec.
1463 EOF
1464 die "Sanity test failed."
1465 fi
1466
1467 if $cc --version 2>/dev/null | grep -qi gcc; then
1468 cc_type=gcc
1469 elif $cc --version 2>/dev/null | grep -q Intel; then
1470 cc_type=icc
1471 elif $cc -v 2>&1 | grep -q xlc; then
1472 cc_type=xlc
1473 elif $cc -V 2>/dev/null | grep -q Compaq; then
1474 cc_type=ccc
1475 DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1476 debuglevel=3
1477 add_ldflags -Wl,-z,now # calls to libots crash without this
1478 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1479 test -d "$sysroot" || die "No valid sysroot specified."
1480 cc_type=armcc
1481 armcc_conf="$PWD/armcc.conf"
1482 $cc --arm_linux_configure \
1483 --arm_linux_config_file="$armcc_conf" \
1484 --configure_sysroot="$sysroot" \
1485 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1486 die "Error creating armcc configuration file."
1487 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1488 as_default="${cross_prefix}gcc"
1489 fi
1490
1491 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1492
1493 : ${dep_cc_default:=$cc}
1494 : ${ld_default:=$cc}
1495 set_default as dep_cc ld
1496
1497 if test -n "$sysroot"; then
1498 case "$cc_type" in
1499 gcc)
1500 add_cppflags --sysroot="$sysroot"
1501 add_ldflags --sysroot="$sysroot"
1502 ;;
1503 esac
1504 fi
1505
1506 # compiler sanity check
1507 check_exec <<EOF
1508 int main(void){ return 0; }
1509 EOF
1510 if test "$?" != 0; then
1511 echo "$cc is unable to create an executable file."
1512 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1513 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1514 echo "Only do this if you know what cross compiling means."
1515 fi
1516 die "C compiler test failed."
1517 fi
1518
1519 check_cflags -std=c99
1520 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1521 #include <stdlib.h>
1522 EOF
1523 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1524 #include <stdlib.h>
1525 EOF
1526
1527 case "$arch" in
1528 alpha)
1529 arch="alpha"
1530 enable fast_64bit
1531 check_cflags -mieee
1532 ;;
1533 arm|armv[4567]*l)
1534 arch="arm"
1535 ;;
1536 avr32)
1537 ;;
1538 bfin)
1539 arch="bfin"
1540 ;;
1541 ia64)
1542 arch="ia64"
1543 enable fast_64bit
1544 ;;
1545 m68k)
1546 arch="m68k"
1547 ;;
1548 mips|mipsel|IP*)
1549 arch="mips"
1550 ;;
1551 mips64)
1552 arch="mips"
1553 subarch="mips64"
1554 enable fast_64bit
1555 ;;
1556 parisc|hppa)
1557 arch="parisc"
1558 ;;
1559 parisc64|hppa64)
1560 arch="parisc"
1561 enable fast_64bit
1562 ;;
1563 "Power Macintosh"|ppc|powerpc)
1564 arch="ppc"
1565 enable fast_unaligned
1566 ;;
1567 ppc64)
1568 arch="ppc"
1569 subarch="ppc64"
1570 enable fast_64bit
1571 enable fast_unaligned
1572 ;;
1573 s390|s390x)
1574 arch="s390"
1575 ;;
1576 sh4|sh)
1577 arch="sh4"
1578 ;;
1579 sparc)
1580 arch="sparc"
1581 ;;
1582 sun4u|sparc64)
1583 arch="sparc"
1584 subarch="sparc64"
1585 enable fast_64bit
1586 ;;
1587 i386|i486|i586|i686|i86pc|BePC)
1588 arch="x86"
1589 subarch="x86_32"
1590 enable fast_unaligned
1591 ;;
1592 x86_64|amd64)
1593 arch="x86"
1594 subarch="x86_32"
1595 enable cmov
1596 enable fast_cmov
1597 enable fast_unaligned
1598 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1599 int test[sizeof(char*) - 7];
1600 EOF
1601 ;;
1602 *)
1603 arch="unknown"
1604 ;;
1605 esac
1606
1607 enable $arch $subarch
1608
1609 # OS specific
1610 case $target_os in
1611 beos|haiku|zeta)
1612 prefix_default="$HOME/config"
1613 # helps building libavcodec
1614 add_cppflags -DPIC
1615 add_cflags -fomit-frame-pointer
1616 # 3 gcc releases known for BeOS, each with ugly bugs
1617 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1618 case "$gcc_version" in
1619 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1620 disable mmx
1621 ;;
1622 *20010315*) echo "BeBits gcc"
1623 add_cflags -fno-expensive-optimizations
1624 ;;
1625 esac
1626 SHFLAGS=-nostart
1627 # enable BeOS things
1628 enable audio_beos
1629 # no need for libm, but the inet stuff
1630 # Check for BONE
1631 # XXX: actually should check for NOT net_server
1632 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1633 network_extralibs="-lbind -lsocket"
1634 else
1635 enable beos_netserver
1636 network_extralibs="-lnet"
1637 fi ;;
1638 sunos)
1639 FFSERVERLDFLAGS=""
1640 SHFLAGS='-shared -Wl,-h,$$(@F)'
1641 network_extralibs="-lsocket -lnsl"
1642 add_cppflags -D__EXTENSIONS__
1643 ;;
1644 netbsd)
1645 oss_indev_extralibs="-lossaudio"
1646 oss_outdev_extralibs="-lossaudio"
1647 ;;
1648 openbsd)
1649 disable need_memalign
1650 LIBOBJFLAGS='$(PIC)'
1651 SHFLAGS='-shared'
1652 oss_indev_extralibs="-lossaudio"
1653 oss_outdev_extralibs="-lossaudio"
1654 ;;
1655 freebsd|dragonfly)
1656 disable need_memalign
1657 ;;
1658 bsd/os)
1659 osextralibs="-lpoll -lgnugetopt"
1660 strip="strip -d"
1661 ;;
1662 darwin)
1663 disable need_memalign
1664 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1665 strip="strip -x"
1666 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1667 SLIBSUF=".dylib"
1668 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1669 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1670 FFSERVERLDFLAGS=-Wl,-bind_at_load
1671 objformat="macho"
1672 enabled x86_64 && objformat="macho64"
1673 ;;
1674 mingw32*)
1675 target_os=mingw32
1676 LIBTARGET=i386
1677 if enabled x86_64; then
1678 disable need_memalign
1679 LIBTARGET=x64
1680 fi
1681 shlibdir_default="$bindir_default"
1682 disable ffserver
1683 SLIBPREF=""
1684 SLIBSUF=".dll"
1685 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1686 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1687 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1688 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1689 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1690 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1691 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1692 objformat="win32"
1693 enable dos_paths
1694 check_cflags -fno-common
1695 if ! enabled x86_64; then
1696 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1697 die "ERROR: MinGW runtime version must be >= 3.15."
1698 enabled_any avisynth vfwcap_demuxer &&
1699 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1700 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1701 fi
1702 ;;
1703 cygwin*)
1704 target_os=cygwin
1705 shlibdir_default="$bindir_default"
1706 SLIBPREF="cyg"
1707 SLIBSUF=".dll"
1708 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1709 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1710 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1711 objformat="win32"
1712 enable dos_paths
1713 check_cflags -fno-common
1714 ;;
1715 *-dos|freedos|opendos)
1716 disable ffplay ffserver
1717 disable $INDEV_LIST $OUTDEV_LIST
1718 network_extralibs="-lsocket"
1719 objformat="coff"
1720 enable dos_paths
1721 ;;
1722 linux)
1723 enable dv1394
1724 ;;
1725 irix*)
1726 target_os=irix
1727 ranlib="echo ignoring ranlib"
1728 ;;
1729 os/2*)
1730 strip="lxlite"
1731 ln_s="cp -f"
1732 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1733 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1734 FFSERVERLDFLAGS=""
1735 LIBSUF="_s.a"
1736 SLIBPREF=""
1737 SLIBSUF=".dll"
1738 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1739 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1740 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1741 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1742 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1743 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1744 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1745 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1746 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1747 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1748 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1749 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1750 enable dos_paths
1751 ;;
1752 gnu/kfreebsd)
1753 ;;
1754 gnu)
1755 ;;
1756
1757 *)
1758 die "Unknown OS '$target_os'."
1759 ;;
1760 esac
1761
1762 set_default $PATHS_LIST
1763
1764 add_extralibs $osextralibs
1765
1766 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1767 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1768
1769 # we need to build at least one lib type
1770 if ! enabled_any static shared; then
1771 cat <<EOF
1772 At least one library type must be built.
1773 Specify --enable-static to build the static libraries or --enable-shared to
1774 build the shared libraries as well. To only build the shared libraries specify
1775 --disable-static in addition to --enable-shared.
1776 EOF
1777 exit 1;
1778 fi
1779
1780 disabled static && LIBNAME=""
1781
1782 if enabled_any libfaad libfaadbin ; then
1783 if check_header faad.h; then
1784 check_cc <<EOF
1785 #include <faad.h>
1786 #ifndef FAAD2_VERSION
1787 ok faad1
1788 #endif
1789 int main(void) { return 0; }
1790 EOF
1791 test $? = 0 && enable libfaad2
1792 else
1793 die "FAAD test failed."
1794 fi
1795 fi
1796
1797
1798 die_license_disabled() {
1799 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1800 }
1801
1802 die_license_disabled gpl libfaad2
1803 die_license_disabled gpl libx264
1804 die_license_disabled gpl libxvid
1805 die_license_disabled gpl postproc
1806 die_license_disabled gpl x11grab
1807
1808 die_license_disabled nonfree libfaac
1809
1810 die_license_disabled version3 libopencore_amrnb
1811 die_license_disabled version3 libopencore_amrwb
1812
1813 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1814
1815 check_deps $ARCH_EXT_LIST
1816
1817 test -z "$need_memalign" && need_memalign="$mmx"
1818
1819 #Darwin CC versions
1820 if test $target_os = darwin; then
1821 if enabled xlc; then
1822 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1823 else
1824 add_cflags -pipe
1825 check_cflags -force_cpusubtype_ALL
1826 check_cflags -Wno-sign-compare
1827 enabled shared || check_cflags -mdynamic-no-pic
1828 fi
1829 fi
1830
1831 disabled optimizations || check_cflags -fomit-frame-pointer
1832
1833 # Add processor-specific flags
1834 if test $cpu != "generic"; then
1835 warn_altivec(){
1836 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1837 }
1838 case $cpu in
1839 601|ppc601|PowerPC601)
1840 cpuflags="-mcpu=601"
1841 warn_altivec enabled PPC601
1842 ;;
1843 603*|ppc603*|PowerPC603*)
1844 cpuflags="-mcpu=603"
1845 warn_altivec enabled PPC603
1846 ;;
1847 604*|ppc604*|PowerPC604*)
1848 cpuflags="-mcpu=604"
1849 warn_altivec enabled PPC604
1850 ;;
1851 G3|g3|75*|ppc75*|PowerPC75*)
1852 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1853 warn_altivec enabled PPC75x
1854 ;;
1855 G4|g4|745*|ppc745*|PowerPC745*)
1856 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1857 warn_altivec disabled PPC745x
1858 ;;
1859 74*|ppc74*|PowerPC74*)
1860 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1861 warn_altivec disabled PPC74xx
1862 ;;
1863 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1864 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1865 warn_altivec disabled PPC970
1866 ;;
1867 Cell|CELL|cell)
1868 cpuflags="-mcpu=cell"
1869 warn_altivec disabled Cell
1870 enable ldbrx
1871 ;;
1872 # targets that do NOT support conditional mov (cmov)
1873 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1874 cpuflags="-march=$cpu"
1875 disable cmov
1876 ;;
1877 # targets that do support conditional mov (cmov)
1878 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1879 cpuflags="-march=$cpu"
1880 enable cmov
1881 enable fast_cmov
1882 ;;
1883 # targets that do support conditional mov but on which it's slow
1884 pentium4|pentium4m|prescott|nocona)
1885 cpuflags="-march=$cpu"
1886 enable cmov
1887 disable fast_cmov
1888 ;;
1889 sparc64)
1890 cpuflags="-mcpu=v9"
1891 ;;
1892 arm11*|cortex*)
1893 cpuflags="-mcpu=$cpu"
1894 enable fast_unaligned
1895 ;;
1896 armv[67]*)
1897 cpuflags="-march=$cpu"
1898 enable fast_unaligned
1899 ;;
1900 armv*)
1901 cpuflags="-march=$cpu"
1902 ;;
1903 arm*)
1904 cpuflags="-mcpu=$cpu"
1905 ;;
1906 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1907 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1908 ;;
1909 bf*)
1910 cpuflags="-mcpu=$cpu"
1911 ;;
1912 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1913 cpuflags="-march=$cpu"
1914 ;;
1915 *)
1916 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1917 ;;
1918 esac
1919 fi
1920
1921 add_cflags $cpuflags
1922
1923 check_cc <<EOF || die "Symbol mangling check failed."
1924 int ff_extern;
1925 EOF
1926 sym=$($nm -P -g $TMPO | grep ff_extern)
1927 extern_prefix=${sym%%ff_extern*}
1928
1929 check_cc <<EOF && enable inline_asm
1930 void foo(void) { __asm__ volatile ("" ::); }
1931 EOF
1932
1933 if enabled x86; then
1934 # check whether EBP is available on x86
1935 # As 'i' is stored on the stack, this program will crash
1936 # if the base pointer is used to access it because the
1937 # base pointer is cleared in the inline assembly code.
1938 check_exec_crash <<EOF && enable ebp_available
1939 volatile int i=0;
1940 __asm__ volatile (
1941 "xorl %%ebp, %%ebp"
1942 ::: "%ebp");
1943 return i;
1944 EOF
1945
1946 # check wether EBX is available on x86
1947 check_asm ebx_available '"":::"%ebx"'
1948
1949 # check whether more than 10 operands are supported
1950 check_cc <<EOF && enable ten_operands
1951 int main(void) {
1952 int x=0;
1953 __asm__ volatile(
1954 ""
1955 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1956 );
1957 return 0;
1958 }
1959 EOF
1960
1961 # check whether binutils is new enough to compile SSSE3/MMX2
1962 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1963 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1964
1965 check_asm bswap '"bswap %%eax" ::: "%eax"'
1966
1967 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1968 enabled x86_64 && append YASMFLAGS "-m amd64"
1969 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1970 case "$objformat" in
1971 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1972 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1973 *) append YASMFLAGS "-DPREFIX" ;;
1974 esac
1975 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1976 fi
1977
1978 # check for assembler specific support
1979
1980 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1981
1982 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1983 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1984 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1985
1986 # check for SIMD availability
1987
1988 # AltiVec flags: The FSF version of GCC differs from the Apple version
1989 if enabled altivec; then
1990 check_cflags -maltivec -mabi=altivec &&
1991 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1992 check_cflags -faltivec
1993
1994 # check if our compiler supports Motorola AltiVec C API
1995 check_cc <<EOF || disable altivec
1996 $inc_altivec_h
1997 int main(void) {
1998 vector signed int v1, v2, v3;
1999 v1 = vec_add(v2,v3);
2000 return 0;
2001 }
2002 EOF
2003
2004 # check if our compiler supports braces for vector declarations
2005 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2006 $inc_altivec_h
2007 int main (void) { (vector int) {1}; return 0; }
2008 EOF
2009 fi
2010
2011 # We have to check if pld is a nop and disable it.
2012 enabled arm && check_asm pld '"pld [r0]"'
2013 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2014 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2015 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2016 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2017 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2018 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2019 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2020 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2021
2022 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2023
2024 # ---
2025 # big/little-endian test
2026 check_cc <<EOF || die "endian test failed"
2027 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2028 EOF
2029 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2030
2031 # ---
2032 # check availability of some header files
2033
2034 if check_func dlopen; then
2035 ldl=
2036 elif check_func dlopen -ldl; then
2037 ldl=-ldl
2038 fi
2039
2040 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2041 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2042
2043 check_func fork
2044 check_func gethrtime
2045 check_func getrusage
2046 check_func inet_aton $network_extralibs
2047 check_func memalign
2048 check_func mkstemp
2049 check_func posix_memalign
2050 check_func_headers io.h setmode
2051 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2052 check_func_headers windows.h GetProcessTimes
2053 check_func_headers windows.h VirtualAlloc
2054
2055 check_header conio.h
2056 check_header dlfcn.h
2057 check_header malloc.h
2058 check_header poll.h
2059 check_header sys/mman.h
2060 check_header sys/resource.h
2061 check_header sys/select.h
2062 check_header termios.h
2063 check_header vdpau/vdpau.h
2064 check_header vdpau/vdpau_x11.h
2065 check_header X11/extensions/XvMClib.h
2066
2067 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2068 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2069 fi
2070
2071 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2072 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2073
2074 # check for some common methods of building with pthread support
2075 # do this before the optional library checks as some of them require pthreads
2076 if enabled pthreads; then
2077 if check_func pthread_create; then
2078 :
2079 elif check_func pthread_create -pthread; then
2080 add_cflags -pthread
2081 add_extralibs -pthread
2082 elif check_func pthread_create -pthreads; then
2083 add_cflags -pthreads
2084 add_extralibs -pthreads
2085 elif check_func pthread_create -lpthreadGC2; then
2086 add_extralibs -lpthreadGC2
2087 elif ! check_lib pthread.h pthread_create -lpthread; then
2088 die "ERROR: can't find pthreads library"
2089 fi
2090 fi
2091
2092 for thread in $THREADS_LIST; do
2093 if enabled $thread; then
2094 test -n "$thread_type" &&
2095 die "ERROR: Only one thread type must be selected." ||
2096 thread_type="$thread"
2097 fi
2098 done
2099
2100 check_lib math.h sin -lm
2101 check_lib va/va.h vaInitialize -lva
2102
2103 # test for C99 functions in math.h
2104 for func in llrint log2 lrint lrintf round roundf truncf; do
2105 check_exec <<EOF && enable $func || disable $func
2106 #include <math.h>
2107 int main(void) { return ($func(3.999f) > 0)?0:1; }
2108 EOF
2109 done
2110
2111 # these are off by default, so fail if requested and not available
2112 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2113 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2114 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2115 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2116 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2117 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2118 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2119 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2120 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2121 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2122 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2123 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2124 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2125 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2126 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2127 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2128 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2129 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2130 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2131 die "ERROR: libx264 version must be >= 0.65."; }
2132 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2133 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2134
2135 # libdc1394 check
2136 if enabled libdc1394; then
2137 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2138 enable libdc1394_2; } ||
2139 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2140 enable libdc1394_1; } ||
2141 die "ERROR: No version of libdc1394 found "
2142 fi
2143
2144
2145 _restrict=
2146 for restrict_keyword in restrict __restrict__ __restrict; do
2147 check_cc <<EOF && _restrict=$restrict_keyword && break
2148 void foo(char * $restrict_keyword p);
2149 EOF
2150 done
2151
2152 ##########################################
2153 # SDL check
2154
2155 disable sdl_too_old
2156 disable sdl
2157 SDL_CONFIG="${cross_prefix}sdl-config"
2158 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2159 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2160 temp_cflags $sdl_cflags
2161 temp_extralibs $("${SDL_CONFIG}" --libs)
2162 if check_lib2 SDL.h SDL_Init; then
2163 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2164 if test "$_sdlversion" -lt 121 ; then
2165 enable sdl_too_old
2166 else
2167 enable sdl
2168 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2169 #include <SDL.h>
2170 int main(int argc, char **argv){
2171 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2172 int w = vi->current_w;
2173 return 0;
2174 }
2175 EOF
2176 fi
2177 fi
2178 restore_flags
2179 fi
2180
2181 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2182
2183 ##########################################
2184 # Network check
2185
2186 if enabled network; then
2187 check_type "sys/types.h sys/socket.h" socklen_t
2188 # Prefer arpa/inet.h over winsock2
2189 if check_header arpa/inet.h ; then
2190 check_func closesocket
2191 elif check_header winsock2.h ; then
2192 network_extralibs="-lws2_32"
2193 check_type ws2tcpip.h socklen_t
2194 check_func_headers winsock2.h closesocket
2195 else
2196 disable network
2197 fi
2198 fi
2199
2200 ##########################################
2201 # IPv6 check
2202
2203 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2204 #include <sys/types.h>
2205 #include <sys/socket.h>
2206 #include <netinet/in.h>
2207 #include <netdb.h>
2208 int main(void) {
2209 struct sockaddr_storage saddr;
2210 struct ipv6_mreq mreq6;
2211 getaddrinfo(0,0,0,0);
2212 getnameinfo(0,0,0,0,0,0,0);
2213 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2214 }
2215 EOF
2216
2217 check_header linux/videodev.h
2218 check_header linux/videodev2.h
2219 check_header sys/videoio.h
2220
2221 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2222
2223 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2224 { check_header dev/bktr/ioctl_meteor.h &&
2225 check_header dev/bktr/ioctl_bt848.h; } ||
2226 { check_header machine/ioctl_meteor.h &&
2227 check_header machine/ioctl_bt848.h; } ||
2228 { check_header dev/video/meteor/ioctl_meteor.h &&
2229 check_header dev/video/bktr/ioctl_bt848.h; } ||
2230 check_header dev/ic/bt8xx.h
2231
2232 check_header sys/soundcard.h
2233 check_header soundcard.h
2234
2235 enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2236
2237 enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2238
2239 # deal with the X11 frame grabber
2240 enabled x11grab &&
2241 check_header X11/Xlib.h &&
2242 check_header X11/extensions/XShm.h &&
2243 check_func XOpenDisplay -lX11 &&
2244 check_func XShmCreateImage -lX11 -lXext
2245
2246 enabled debug && add_cflags -g"$debuglevel"
2247
2248 # add some useful compiler flags if supported
2249 check_cflags -Wdeclaration-after-statement
2250 check_cflags -Wall
2251 check_cflags -Wno-switch
2252 check_cflags -Wdisabled-optimization
2253 check_cflags -Wpointer-arith
2254 check_cflags -Wredundant-decls
2255 check_cflags -Wno-pointer-sign
2256 check_cflags -Wcast-qual
2257 check_cflags -Wwrite-strings
2258 check_cflags -Wtype-limits
2259 check_cflags -Wundef
2260 enabled extra_warnings && check_cflags -Winline
2261
2262 # add some linker flags
2263 check_ldflags -Wl,--warn-common
2264 check_ldflags -Wl,--as-needed
2265 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'
2266 check_ldflags -Wl,-Bsymbolic
2267
2268 if enabled small; then
2269 check_cflags -Os # not all compilers support -Os
2270 optimizations="small"
2271 elif enabled optimizations; then
2272 if enabled xlc; then
2273 add_cflags -O5
2274 add_ldflags -O5
2275 elif enabled ccc; then
2276 add_cflags -fast
2277 else
2278 add_cflags -O3
2279 fi
2280 fi
2281 check_cflags -fno-math-errno
2282 check_cflags -fno-signed-zeros
2283
2284 # add some flags for Intel C Compiler
2285 if enabled icc; then
2286 # Just warnings, no remarks
2287 check_cflags -w1
2288 # -wd: Disable following warnings
2289 # 144, 167, 556: -Wno-pointer-sign
2290 # 10006: ignoring unknown option -fno-signed-zeros
2291 # 10156: ignoring option '-W'; no argument required
2292 check_cflags -wd144,167,556,10006,10156
2293 # 11030: Warning unknown option --as-needed
2294 # 10156: ignoring option '-export'; no argument required
2295 check_ldflags -wd10156,11030
2296 # Allow to compile with optimizations
2297 check_ldflags -march=$cpu
2298 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2299 enable ebp_available
2300 elif enabled ccc; then
2301 # disable some annoying warnings
2302 add_cflags -msg_disable cvtu32to64
2303 add_cflags -msg_disable embedcomment
2304 add_cflags -msg_disable needconstext
2305 add_cflags -msg_disable nomainieee
2306 add_cflags -msg_disable ptrmismatch1
2307 add_cflags -msg_disable unreachcode
2308 fi
2309
2310 # PIC flags for shared library objects where they are needed
2311 if enabled shared; then
2312 # LIBOBJFLAGS may have already been set in the OS configuration
2313 if test -z "$LIBOBJFLAGS" ; then
2314 case "${subarch-$arch}" in
2315 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2316 esac
2317 fi
2318 fi
2319
2320 if enabled gprof; then
2321 add_cflags -p
2322 add_ldflags -p
2323 fi
2324
2325 # Find out if the .align argument is a power of two or not.
2326 check_asm asmalign_pot '".align 3"'
2327
2328 enabled_any $DECODER_LIST && enable decoders
2329 enabled_any $ENCODER_LIST && enable encoders
2330 enabled_any $HWACCEL_LIST && enable hwaccels
2331 enabled_any $BSF_LIST && enable bsfs
2332 enabled_any $DEMUXER_LIST && enable demuxers
2333 enabled_any $MUXER_LIST && enable muxers
2334 enabled_any $FILTER_LIST && enable filters
2335 enabled_any $INDEV_LIST && enable demuxers
2336 enabled_any $OUTDEV_LIST && enable muxers
2337 enabled_any $PROTOCOL_LIST && enable protocols
2338
2339 enabled_any $THREADS_LIST && enable threads
2340
2341 check_deps $CONFIG_LIST \
2342 $CONFIG_EXTRA \
2343 $HAVE_LIST \
2344 $DECODER_LIST \
2345 $ENCODER_LIST \
2346 $HWACCEL_LIST \
2347 $PARSER_LIST \
2348 $BSF_LIST \
2349 $DEMUXER_LIST \
2350 $MUXER_LIST \
2351 $FILTER_LIST \
2352 $INDEV_LIST \
2353 $OUTDEV_LIST \
2354 $PROTOCOL_LIST \
2355
2356 echo "install prefix $prefix"
2357 echo "source path $source_path"
2358 echo "C compiler $cc"
2359 echo ".align is power-of-two $asmalign_pot"
2360 echo "ARCH $arch ($cpu)"
2361 if test "$build_suffix" != ""; then
2362 echo "build suffix $build_suffix"
2363 fi
2364 if test "$extra_version" != ""; then
2365 echo "version string suffix $extra_version"
2366 fi
2367 echo "big-endian ${bigendian-no}"
2368 echo "runtime cpu detection ${runtime_cpudetect-no}"
2369 if enabled x86; then
2370 echo "yasm ${yasm-no}"
2371 echo "MMX enabled ${mmx-no}"
2372 echo "MMX2 enabled ${mmx2-no}"
2373 echo "3DNow! enabled ${amd3dnow-no}"
2374 echo "3DNow! extended enabled ${amd3dnowext-no}"
2375 echo "SSE enabled ${sse-no}"
2376 echo "SSSE3 enabled ${ssse3-no}"
2377 echo "CMOV enabled ${cmov-no}"
2378 echo "CMOV is fast ${fast_cmov-no}"
2379 echo "EBX available ${ebx_available-no}"
2380 echo "EBP available ${ebp_available-no}"
2381 echo "10 operands supported ${ten_operands-no}"
2382 fi
2383 if enabled arm; then
2384 echo "ARMv5TE enabled ${armv5te-no}"
2385 echo "ARMv6 enabled ${armv6-no}"
2386 echo "ARMv6T2 enabled ${armv6t2-no}"
2387 echo "ARM VFP enabled ${armvfp-no}"
2388 echo "IWMMXT enabled ${iwmmxt-no}"
2389 echo "NEON enabled ${neon-no}"
2390 fi
2391 if enabled mips; then
2392 echo "MMI enabled ${mmi-no}"
2393 fi
2394 if enabled ppc; then
2395 echo "AltiVec enabled ${altivec-no}"
2396 echo "PPC 4xx optimizations ${ppc4xx-no}"
2397 echo "dcbzl available ${dcbzl-no}"
2398 echo "performance report ${powerpc_perf-no}"
2399 fi
2400 if enabled sparc; then
2401 echo "VIS enabled ${vis-no}"
2402 fi
2403 echo "gprof enabled ${gprof-no}"
2404 echo "debug symbols ${debug-no}"
2405 echo "strip symbols ${stripping-no}"
2406 echo "optimizations ${optimizations-no}"
2407 echo "static ${static-no}"
2408 echo "shared ${shared-no}"
2409 echo "postprocessing support ${postproc-no}"
2410 echo "new filter support ${avfilter-no}"
2411 echo "filters using lavformat ${avfilter_lavf-no}"
2412 echo "network support ${network-no}"
2413 if enabled network; then
2414 echo "IPv6 support ${ipv6-no}"
2415 fi
2416 echo "threading support ${thread_type-no}"
2417 echo "SDL support ${sdl-no}"
2418 if enabled sdl_too_old; then
2419 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2420 fi
2421 echo "Sun medialib support ${mlib-no}"
2422 echo "AVISynth enabled ${avisynth-no}"
2423 echo "libdc1394 support ${libdc1394-no}"
2424 echo "libdirac enabled ${libdirac-no}"
2425 echo "libfaac enabled ${libfaac-no}"
2426 echo "libfaad enabled ${libfaad-no}"
2427 echo "libfaad dlopened ${libfaadbin-no}"
2428 echo "libgsm enabled ${libgsm-no}"
2429 echo "libmp3lame enabled ${libmp3lame-no}"
2430 echo "libnut enabled ${libnut-no}"
2431 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2432 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2433 echo "libopenjpeg enabled ${libopenjpeg-no}"
2434 echo "libschroedinger enabled ${libschroedinger-no}"
2435 echo "libspeex enabled ${libspeex-no}"
2436 echo "libtheora enabled ${libtheora-no}"
2437 echo "libvorbis enabled ${libvorbis-no}"
2438 echo "libx264 enabled ${libx264-no}"
2439 echo "libxvid enabled ${libxvid-no}"
2440 echo "zlib enabled ${zlib-no}"
2441 echo "bzlib enabled ${bzlib-no}"
2442 echo
2443
2444 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2445 echo "Enabled ${type}s:"
2446 eval list=\$$(toupper $type)_LIST
2447 for part in $list; do
2448 enabled $part && echo ${part%_*}
2449 done | sort | pr -3 -t
2450 echo
2451 done
2452
2453 license="LGPL version 2.1 or later"
2454 if enabled nonfree; then
2455 license="nonfree and unredistributable"
2456 elif enabled gplv3; then
2457 license="GPL version 3 or later"
2458 elif enabled lgplv3; then
2459 license="LGPL version 3 or later"
2460 elif enabled gpl; then
2461 license="GPL version 2 or later"
2462 fi
2463
2464 echo "License: $license"
2465
2466 echo "Creating config.mak and config.h..."
2467
2468 echo "# Automatically generated by configure - do not modify!" > config.mak
2469 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2470 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2471 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2472 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2473 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2474
2475 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2476 echo "prefix=$prefix" >> config.mak
2477 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2478 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2479 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2480 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2481 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2482 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2483 echo "SRC_PATH=\"$source_path\"" >> config.mak
2484 echo "SRC_PATH_BARE=$source_path" >> config.mak
2485 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2486 echo "CC=$cc" >> config.mak
2487 echo "AS=$as" >> config.mak
2488 echo "LD=$ld" >> config.mak
2489 echo "DEPCC=$dep_cc" >> config.mak
2490 echo "YASM=$yasmexe" >> config.mak
2491 echo "AR=$ar" >> config.mak
2492 echo "RANLIB=$ranlib" >> config.mak
2493 echo "LN_S=$ln_s" >> config.mak
2494 enabled stripping &&
2495 echo "STRIP=$strip" >> config.mak ||
2496 echo "STRIP=echo ignoring strip" >> config.mak
2497
2498 echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2499 echo "CFLAGS=$CFLAGS" >> config.mak
2500 echo "CC_O=$CC_O" >> config.mak
2501 echo "LDFLAGS=$LDFLAGS" >> config.mak
2502 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2503 echo "SHFLAGS=$SHFLAGS" >> config.mak
2504 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2505 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2506 echo "BUILD_STATIC=$static" >> config.mak
2507 echo "BUILDSUF=$build_suffix" >> config.mak
2508 echo "FULLNAME=$FULLNAME" >> config.mak
2509 echo "LIBPREF=$LIBPREF" >> config.mak
2510 echo "LIBSUF=$LIBSUF" >> config.mak
2511 echo "LIBNAME=$LIBNAME" >> config.mak
2512 echo "SLIBPREF=$SLIBPREF" >> config.mak
2513 echo "SLIBSUF=$SLIBSUF" >> config.mak
2514 echo "EXESUF=$EXESUF" >> config.mak
2515 echo "EXTRA_VERSION=$extra_version" >> config.mak
2516 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2517 echo "HOSTCC=$host_cc" >> config.mak
2518 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2519 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2520 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2521 echo "HOSTLIBS=$host_libs" >> config.mak
2522 echo "TARGET_EXEC=$target_exec" >> config.mak
2523 echo "TARGET_PATH=$target_path" >> config.mak
2524
2525 if enabled bigendian; then
2526 echo "WORDS_BIGENDIAN=yes" >> config.mak
2527 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2528 fi
2529
2530 if enabled sdl; then
2531 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2532 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2533 fi
2534 if enabled texi2html; then
2535 echo "BUILD_DOC=yes" >> config.mak
2536 fi
2537
2538 get_version(){
2539 name=$1
2540 file=$source_path/$2
2541 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2542 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2543 lcname=$(tolower $name)
2544 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2545 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2546 }
2547
2548 get_version LIBSWSCALE libswscale/swscale.h
2549 get_version LIBPOSTPROC libpostproc/postprocess.h
2550 get_version LIBAVCODEC libavcodec/avcodec.h
2551 get_version LIBAVDEVICE libavdevice/avdevice.h
2552 get_version LIBAVFORMAT libavformat/avformat.h
2553 get_version LIBAVUTIL libavutil/avutil.h
2554 get_version LIBAVFILTER libavfilter/avfilter.h
2555
2556 if enabled shared; then
2557 echo "BUILD_SHARED=yes" >> config.mak
2558 echo "PIC=-fPIC -DPIC" >> config.mak
2559 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2560 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2561 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2562 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2563 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2564 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2565 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2566 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2567 fi
2568 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2569 echo "EXTRALIBS=$extralibs" >> config.mak
2570
2571 echo "ARCH=$arch" >> config.mak
2572
2573 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2574 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2575 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2576 $CONFIG_EXTRA \
2577 $DECODER_LIST \
2578 $ENCODER_LIST \
2579 $HWACCEL_LIST \
2580 $PARSER_LIST \
2581 $BSF_LIST \
2582 $DEMUXER_LIST \
2583 $MUXER_LIST \
2584 $FILTER_LIST \
2585 $PROTOCOL_LIST \
2586 $INDEV_LIST \
2587 $OUTDEV_LIST \
2588
2589 echo "#define restrict $_restrict" >> $TMPH
2590
2591 if enabled small; then
2592 echo "#define av_always_inline" >> $TMPH
2593 fi
2594
2595
2596 # Apparently it's not possible to portably echo a backslash.
2597 enabled asmalign_pot &&
2598 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2599 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2600
2601 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2602
2603 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2604
2605 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2606 cmp -s $TMPH config.h &&
2607 echo "config.h is unchanged" ||
2608 mv -f $TMPH config.h
2609
2610 # build tree in object directory if source path is different from current one
2611 if enabled source_path_used; then
2612 DIRS="\
2613 doc \
2614 libavcodec \
2615 libavcodec/alpha \
2616 libavcodec/arm \
2617 libavcodec/bfin \
2618 libavcodec/mlib \
2619 libavcodec/ppc \
2620 libavcodec/sh4 \
2621 libavcodec/sparc \
2622 libavcodec/x86 \
2623 libavdevice \
2624 libavfilter \
2625 libavformat \
2626 libavutil \
2627 libpostproc \
2628 libswscale \
2629 libswscale/bfin \
2630 libswscale/mlib \
2631 libswscale/ppc \
2632 libswscale/sparc \
2633 libswscale/x86 \
2634 tests \
2635 tools \
2636 "
2637 FILES="\
2638 Makefile \
2639 common.mak \
2640 subdir.mak \
2641 doc/texi2pod.pl \
2642 libavcodec/Makefile \
2643 libavdevice/Makefile \
2644 libavfilter/Makefile \
2645 libavformat/Makefile \
2646 libavutil/Makefile \
2647 libpostproc/Makefile \
2648 libswscale/Makefile \
2649 "
2650 for dir in $DIRS ; do
2651 mkdir -p $dir
2652 done
2653 for f in $FILES ; do
2654 $ln_s "$source_path/$f" $f
2655 done
2656 fi
2657
2658
2659 # build pkg-config files
2660
2661 pkgconfig_generate(){
2662 name=$1
2663 shortname=${name#lib}${build_suffix}
2664 comment=$2
2665 version=$3
2666 libs=$4
2667 requires=$5
2668 cat <<EOF > $name/$name.pc
2669 prefix=$prefix
2670 exec_prefix=\${prefix}
2671 libdir=$libdir
2672 includedir=$incdir
2673
2674 Name: $name
2675 Description: $comment
2676 Version: $version
2677 Requires: $(disabled shared && echo $requires)
2678 Requires.private: $(enabled shared && echo $requires)
2679 Conflicts:
2680 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2681 Libs.private: $(enabled shared && echo $libs)
2682 Cflags: -I\${includedir}
2683 EOF
2684 cat <<EOF > $name/$name-uninstalled.pc
2685 prefix=
2686 exec_prefix=
2687 libdir=\${pcfiledir}
2688 includedir=${source_path}
2689
2690 Name: $name
2691 Description: $comment
2692 Version: $version
2693 Requires: $requires
2694 Conflicts:
2695 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2696 Cflags: -I\${includedir}
2697 EOF
2698 }
2699
2700 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2701 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2702 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2703 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2704 enabled avfilter &&
2705 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2706 enabled postproc &&
2707 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2708 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"