Add flags from --extra-cflags after compiler detection
[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_cflags
1000 extra_version
1001 host_cc
1002 host_cflags
1003 host_ldflags
1004 host_libs
1005 host_os
1006 ld
1007 logfile
1008 nm
1009 source_path
1010 sysinclude
1011 sysroot
1012 target_exec
1013 target_os
1014 target_path
1015 "
1016
1017 # code dependency declarations
1018
1019 # architecture extensions
1020 altivec_deps="ppc"
1021 amd3dnow_deps="mmx"
1022 amd3dnowext_deps="amd3dnow"
1023 armv5te_deps="arm"
1024 armv6_deps="arm"
1025 armv6t2_deps="arm"
1026 armvfp_deps="arm"
1027 iwmmxt_deps="arm"
1028 mmi_deps="mips"
1029 mmx_deps="x86"
1030 mmx2_deps="mmx"
1031 neon_deps="arm"
1032 ppc4xx_deps="ppc"
1033 sse_deps="mmx"
1034 ssse3_deps="sse"
1035 vis_deps="sparc"
1036
1037 # decoders / encoders / hardware accelerators
1038 aac_decoder_select="fft mdct"
1039 ac3_decoder_select="fft mdct"
1040 atrac3_decoder_select="fft mdct"
1041 cavs_decoder_select="golomb"
1042 cook_decoder_select="fft mdct"
1043 cscd_decoder_suggest="zlib"
1044 dca_decoder_select="fft mdct"
1045 dnxhd_encoder_select="aandct"
1046 dxa_decoder_select="zlib"
1047 eac3_decoder_select="fft mdct"
1048 eatgq_decoder_select="aandct"
1049 eatqi_decoder_select="aandct"
1050 ffv1_decoder_select="golomb"
1051 flac_decoder_select="golomb"
1052 flac_encoder_select="golomb"
1053 flashsv_decoder_select="zlib"
1054 flashsv_encoder_select="zlib"
1055 flv_encoder_select="aandct"
1056 h261_encoder_select="aandct"
1057 h263_encoder_select="aandct"
1058 h263_vaapi_hwaccel_deps="va_va_h"
1059 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1060 h263p_encoder_select="aandct"
1061 h264_decoder_select="golomb"
1062 h264_vaapi_hwaccel_deps="va_va_h"
1063 h264_vaapi_hwaccel_select="vaapi"
1064 h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1065 h264_vdpau_decoder_select="vdpau h264_decoder"
1066 imc_decoder_select="fft mdct"
1067 jpegls_decoder_select="golomb"
1068 jpegls_encoder_select="golomb"
1069 ljpeg_encoder_select="aandct"
1070 loco_decoder_select="golomb"
1071 mjpeg_encoder_select="aandct"
1072 mpeg1video_encoder_select="aandct"
1073 mpeg2video_encoder_select="aandct"
1074 mpeg4_encoder_select="aandct"
1075 mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1076 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1077 mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1078 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1079 mpeg2_vaapi_hwaccel_deps="va_va_h"
1080 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1081 mpeg4_vaapi_hwaccel_deps="va_va_h"
1082 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1083 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1084 msmpeg4v1_encoder_select="aandct"
1085 msmpeg4v2_encoder_select="aandct"
1086 msmpeg4v3_encoder_select="aandct"
1087 nellymoser_decoder_select="fft mdct"
1088 nellymoser_encoder_select="fft mdct"
1089 png_decoder_select="zlib"
1090 png_encoder_select="zlib"
1091 qdm2_decoder_select="fft mdct rdft"
1092 rv10_encoder_select="aandct"
1093 rv20_encoder_select="aandct"
1094 rv30_decoder_select="golomb"
1095 rv40_decoder_select="golomb"
1096 shorten_decoder_select="golomb"
1097 sonic_decoder_select="golomb"
1098 sonic_encoder_select="golomb"
1099 sonic_ls_encoder_select="golomb"
1100 svq3_decoder_select="golomb"
1101 svq3_decoder_suggest="zlib"
1102 tiff_decoder_suggest="zlib"
1103 tiff_encoder_suggest="zlib"
1104 tscc_decoder_select="zlib"
1105 vc1_vaapi_hwaccel_deps="va_va_h"
1106 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1107 vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1108 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1109 vorbis_decoder_select="fft mdct"
1110 vorbis_encoder_select="fft mdct"
1111 wmav1_decoder_select="fft mdct"
1112 wmav1_encoder_select="fft mdct"
1113 wmav2_decoder_select="fft mdct"
1114 wmav2_encoder_select="fft mdct"
1115 wmv1_encoder_select="aandct"
1116 wmv2_encoder_select="aandct"
1117 wmv3_vaapi_hwaccel_deps="va_va_h"
1118 wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1119 wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1120 wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1121 zlib_decoder_select="zlib"
1122 zlib_encoder_select="zlib"
1123 zmbv_decoder_select="zlib"
1124 zmbv_encoder_select="zlib"
1125
1126 # parsers
1127 h264_parser_select="golomb"
1128
1129 # external libraries
1130 libdirac_decoder_deps="libdirac !libschroedinger"
1131 libdirac_encoder_deps="libdirac"
1132 libfaac_encoder_deps="libfaac"
1133 libfaad_decoder_deps="libfaad"
1134 libfaadbin_decoder_extralibs='$ldl'
1135 libgsm_decoder_deps="libgsm"
1136 libgsm_encoder_deps="libgsm"
1137 libgsm_ms_decoder_deps="libgsm"
1138 libgsm_ms_encoder_deps="libgsm"
1139 libmp3lame_encoder_deps="libmp3lame"
1140 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1141 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1142 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1143 libopenjpeg_decoder_deps="libopenjpeg"
1144 libschroedinger_decoder_deps="libschroedinger"
1145 libschroedinger_encoder_deps="libschroedinger"
1146 libspeex_decoder_deps="libspeex"
1147 libtheora_encoder_deps="libtheora"
1148 libvorbis_encoder_deps="libvorbis"
1149 libx264_encoder_deps="libx264"
1150 libxvid_encoder_deps="libxvid"
1151
1152 # demuxers / muxers
1153 ac3_demuxer_deps="ac3_parser"
1154 avisynth_demuxer_deps="avisynth"
1155 dirac_demuxer_deps="dirac_parser"
1156 libnut_demuxer_deps="libnut"
1157 libnut_muxer_deps="libnut"
1158 matroska_demuxer_suggest="zlib bzlib"
1159 mov_demuxer_suggest="zlib"
1160 mp3_demuxer_deps="mpegaudio_parser"
1161 redir_demuxer_deps="network"
1162 rtp_muxer_deps="network rtp_protocol"
1163 rtsp_demuxer_deps="sdp_demuxer"
1164 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1165
1166 # indevs / outdevs
1167 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1168 alsa_indev_extralibs="-lasound"
1169 alsa_outdev_deps="alsa_asoundlib_h"
1170 alsa_outdev_extralibs="-lasound"
1171 audio_beos_indev_deps="audio_beos"
1172 audio_beos_indev_extralibs="-lmedia -lbe"
1173 audio_beos_outdev_deps="audio_beos"
1174 audio_beos_outdev_extralibs="-lmedia -lbe"
1175 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1176 dv1394_indev_deps="dv1394 dv_demuxer"
1177 jack_indev_deps="jack_jack_h"
1178 jack_indev_extralibs="-ljack"
1179 libdc1394_indev_deps="libdc1394"
1180 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1181 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1182 v4l_indev_deps="linux_videodev_h"
1183 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1184 vfwcap_indev_deps="capCreateCaptureWindow"
1185 vfwcap_indev_extralibs="-lvfw32"
1186 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1187 x11_grab_device_indev_extralibs="-lX11 -lXext"
1188
1189 # protocols
1190 gopher_protocol_deps="network"
1191 http_protocol_deps="network"
1192 rtp_protocol_deps="udp_protocol"
1193 tcp_protocol_deps="network"
1194 udp_protocol_deps="network"
1195
1196 # filters
1197 movie_filter_deps="avfilter_lavf"
1198
1199 # programs
1200 ffplay_deps="sdl"
1201 ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1202 ffserver_extralibs='$ldl'
1203
1204
1205 # default parameters
1206
1207 logfile="config.err"
1208
1209 # installation paths
1210 prefix_default="/usr/local"
1211 bindir_default='${prefix}/bin'
1212 datadir_default='${prefix}/share/ffmpeg'
1213 incdir_default='${prefix}/include'
1214 libdir_default='${prefix}/lib'
1215 mandir_default='${prefix}/share/man'
1216 shlibdir_default="$libdir_default"
1217
1218 # toolchain
1219 ar="ar"
1220 cc_default="gcc"
1221 host_cc_default="gcc"
1222 ln_s="ln -sf"
1223 nm_default="nm"
1224 objformat="elf"
1225 ranlib="ranlib"
1226 strip="strip"
1227 yasmexe="yasm"
1228
1229 # machine
1230 arch=$(uname -m)
1231 cpu="generic"
1232
1233 # OS
1234 target_os=$(tolower $(uname -s))
1235 host_os=$target_os
1236
1237 # configurable options
1238 enable debug
1239 enable fastdiv
1240 enable ffmpeg
1241 enable ffplay
1242 enable ffserver
1243 enable ipv6
1244 enable mpegaudio_hp
1245 enable network
1246 enable optimizations
1247 enable protocols
1248 enable static
1249 enable stripping
1250 enable swscale_alpha
1251
1252 # build settings
1253 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1254 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1255 FFSERVERLDFLAGS=-Wl,-E
1256 LIBPREF="lib"
1257 LIBSUF=".a"
1258 FULLNAME='$(NAME)$(BUILDSUF)'
1259 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1260 SLIBPREF="lib"
1261 SLIBSUF=".so"
1262 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1263 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1264 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1265 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1266
1267 CC_O='-o $@'
1268
1269 host_cflags='-O3 -g -Wall'
1270 host_libs='-lm'
1271
1272 target_path='.'
1273
1274 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1275 # full relative path for objects in subdirectories for non-recursive Make.
1276 DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1277
1278 # find source path
1279 source_path="$(dirname "$0")"
1280 enable source_path_used
1281 if test -z "$source_path" -o "$source_path" = "." ; then
1282 source_path="$(pwd)"
1283 disable source_path_used
1284 else
1285 source_path="$(cd "$source_path"; pwd)"
1286 echo "$source_path" | grep -q '[[:blank:]]' &&
1287 die "Out of tree builds are impossible with whitespace in source path."
1288 test -e "$source_path/config.h" &&
1289 die "Out of tree builds are impossible with config.h in source dir."
1290 fi
1291
1292 for v in "$@"; do
1293 r=${v#*=}
1294 l=${v%"$r"}
1295 r=$(sh_quote "$r")
1296 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1297 done
1298
1299 find_things(){
1300 thing=$1
1301 pattern=$2
1302 file=$source_path/$3
1303 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1304 }
1305
1306 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1307 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1308 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1309 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1310 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1311 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1312 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1313 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1314 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1315 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1316 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1317
1318 enable $ARCH_EXT_LIST \
1319 $DECODER_LIST \
1320 $ENCODER_LIST \
1321 $HWACCEL_LIST \
1322 $PARSER_LIST \
1323 $BSF_LIST \
1324 $DEMUXER_LIST \
1325 $MUXER_LIST \
1326 $FILTER_LIST \
1327 $PROTOCOL_LIST \
1328 $INDEV_LIST \
1329 $OUTDEV_LIST \
1330
1331 die_unknown(){
1332 echo "Unknown option \"$1\"."
1333 echo "See $0 --help for available options."
1334 exit 1
1335 }
1336
1337 show_list() {
1338 suffix=_$1
1339 shift
1340 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1341 exit 0
1342 }
1343
1344 for opt do
1345 optval="${opt#*=}"
1346 case "$opt" in
1347 --extra-ldflags=*) add_ldflags $optval
1348 ;;
1349 --extra-libs=*) add_extralibs $optval
1350 ;;
1351 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1352 ;;
1353 --enable-debug=*) debuglevel="$optval"
1354 ;;
1355 --enable-*=*|--disable-*=*)
1356 eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1357 case "$thing" in
1358 encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1359 *) die_unknown "$opt" ;;
1360 esac
1361 ;;
1362 --enable-?*|--disable-?*)
1363 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1364 if is_in $option $COMPONENT_LIST; then
1365 test $action = disable && action=unset
1366 eval $action \$$(toupper ${option%s})_LIST
1367 elif is_in $option $CMDLINE_SELECT; then
1368 $action $option
1369 else
1370 die_unknown $opt
1371 fi
1372 ;;
1373 --list-*)
1374 NAME="${opt#--list-}"
1375 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1376 NAME=${NAME%s}
1377 eval show_list $NAME \$$(toupper $NAME)_LIST
1378 ;;
1379 --help|-h) show_help
1380 ;;
1381 *)
1382 optname="${opt%%=*}"
1383 optname="${optname#--}"
1384 optname=$(echo "$optname" | sed 's/-/_/g')
1385 is_in $optname $CMDLINE_SET || die_unknown $opt
1386 eval $optname='$optval'
1387 ;;
1388 esac
1389 done
1390
1391 disabled logging && logfile=/dev/null
1392
1393 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1394 set >> $logfile
1395
1396 test -n "$cross_prefix" && enable cross_compile
1397
1398 ar="${cross_prefix}${ar}"
1399 cc_default="${cross_prefix}${cc_default}"
1400 nm_default="${cross_prefix}${nm_default}"
1401 ranlib="${cross_prefix}${ranlib}"
1402 strip="${cross_prefix}${strip}"
1403
1404 sysinclude_default="${sysroot}/usr/include"
1405
1406 set_default cc nm sysinclude
1407 as_default=$cc
1408 enabled cross_compile || host_cc_default=$cc
1409 set_default host_cc
1410
1411 exesuf() {
1412 case $1 in
1413 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1414 esac
1415 }
1416
1417 EXESUF=$(exesuf $target_os)
1418 HOSTEXESUF=$(exesuf $host_os)
1419
1420 # set temporary file name
1421 : ${TMPDIR:=$TEMPDIR}
1422 : ${TMPDIR:=$TMP}
1423 : ${TMPDIR:=/tmp}
1424
1425 if ! check_cmd type mktemp; then
1426 # simple replacement for missing mktemp
1427 # NOT SAFE FOR GENERAL USE
1428 mktemp(){
1429 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1430 }
1431 fi
1432
1433 tmpfile(){
1434 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1435 (set -C; exec > $tmp) 2>/dev/null ||
1436 die "Unable to create temoporary file in $TMPDIR."
1437 append TMPFILES $tmp
1438 eval $1=$tmp
1439 }
1440
1441 trap 'rm -f -- $TMPFILES' EXIT
1442 trap exit HUP INT TERM
1443
1444 tmpfile TMPC .c
1445 tmpfile TMPE $EXESUF
1446 tmpfile TMPH .h
1447 tmpfile TMPO .o
1448 tmpfile TMPS .S
1449 tmpfile TMPSH .sh
1450
1451 unset -f mktemp
1452
1453 # make sure we can execute files in $TMPDIR
1454 cat > $TMPSH 2>> $logfile <<EOF
1455 #! /bin/sh
1456 EOF
1457 chmod +x $TMPSH >> $logfile 2>&1
1458 if ! $TMPSH >> $logfile 2>&1; then
1459 cat <<EOF
1460 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1461 variable to another directory and make sure that it is not mounted noexec.
1462 EOF
1463 die "Sanity test failed."
1464 fi
1465
1466 if $cc --version 2>/dev/null | grep -qi gcc; then
1467 cc_type=gcc
1468 elif $cc --version 2>/dev/null | grep -q Intel; then
1469 cc_type=icc
1470 elif $cc -v 2>&1 | grep -q xlc; then
1471 cc_type=xlc
1472 elif $cc -V 2>/dev/null | grep -q Compaq; then
1473 cc_type=ccc
1474 DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1475 debuglevel=3
1476 add_ldflags -Wl,-z,now # calls to libots crash without this
1477 elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1478 test -d "$sysroot" || die "No valid sysroot specified."
1479 cc_type=armcc
1480 armcc_conf="$PWD/armcc.conf"
1481 $cc --arm_linux_configure \
1482 --arm_linux_config_file="$armcc_conf" \
1483 --configure_sysroot="$sysroot" \
1484 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1485 die "Error creating armcc configuration file."
1486 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1487 as_default="${cross_prefix}gcc"
1488 fi
1489
1490 test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1491
1492 : ${dep_cc_default:=$cc}
1493 : ${ld_default:=$cc}
1494 set_default as dep_cc ld
1495
1496 add_cflags $extra_cflags
1497
1498 if test -n "$sysroot"; then
1499 case "$cc_type" in
1500 gcc)
1501 add_cppflags --sysroot="$sysroot"
1502 add_ldflags --sysroot="$sysroot"
1503 ;;
1504 esac
1505 fi
1506
1507 # compiler sanity check
1508 check_exec <<EOF
1509 int main(void){ return 0; }
1510 EOF
1511 if test "$?" != 0; then
1512 echo "$cc is unable to create an executable file."
1513 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1514 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1515 echo "Only do this if you know what cross compiling means."
1516 fi
1517 die "C compiler test failed."
1518 fi
1519
1520 check_cflags -std=c99
1521 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1522 #include <stdlib.h>
1523 EOF
1524 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1525 #include <stdlib.h>
1526 EOF
1527
1528 case "$arch" in
1529 alpha)
1530 arch="alpha"
1531 enable fast_64bit
1532 check_cflags -mieee
1533 ;;
1534 arm|armv[4567]*l)
1535 arch="arm"
1536 ;;
1537 avr32)
1538 ;;
1539 bfin)
1540 arch="bfin"
1541 ;;
1542 ia64)
1543 arch="ia64"
1544 enable fast_64bit
1545 ;;
1546 m68k)
1547 arch="m68k"
1548 ;;
1549 mips|mipsel|IP*)
1550 arch="mips"
1551 ;;
1552 mips64)
1553 arch="mips"
1554 subarch="mips64"
1555 enable fast_64bit
1556 ;;
1557 parisc|hppa)
1558 arch="parisc"
1559 ;;
1560 parisc64|hppa64)
1561 arch="parisc"
1562 enable fast_64bit
1563 ;;
1564 "Power Macintosh"|ppc|powerpc)
1565 arch="ppc"
1566 enable fast_unaligned
1567 ;;
1568 ppc64)
1569 arch="ppc"
1570 subarch="ppc64"
1571 enable fast_64bit
1572 enable fast_unaligned
1573 ;;
1574 s390|s390x)
1575 arch="s390"
1576 ;;
1577 sh4|sh)
1578 arch="sh4"
1579 ;;
1580 sparc)
1581 arch="sparc"
1582 ;;
1583 sun4u|sparc64)
1584 arch="sparc"
1585 subarch="sparc64"
1586 enable fast_64bit
1587 ;;
1588 i386|i486|i586|i686|i86pc|BePC)
1589 arch="x86"
1590 subarch="x86_32"
1591 enable fast_unaligned
1592 ;;
1593 x86_64|amd64)
1594 arch="x86"
1595 subarch="x86_32"
1596 enable cmov
1597 enable fast_cmov
1598 enable fast_unaligned
1599 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1600 int test[sizeof(char*) - 7];
1601 EOF
1602 ;;
1603 *)
1604 arch="unknown"
1605 ;;
1606 esac
1607
1608 enable $arch $subarch
1609
1610 # OS specific
1611 case $target_os in
1612 beos|haiku|zeta)
1613 prefix_default="$HOME/config"
1614 # helps building libavcodec
1615 add_cppflags -DPIC
1616 add_cflags -fomit-frame-pointer
1617 # 3 gcc releases known for BeOS, each with ugly bugs
1618 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1619 case "$gcc_version" in
1620 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1621 disable mmx
1622 ;;
1623 *20010315*) echo "BeBits gcc"
1624 add_cflags -fno-expensive-optimizations
1625 ;;
1626 esac
1627 SHFLAGS=-nostart
1628 # enable BeOS things
1629 enable audio_beos
1630 # no need for libm, but the inet stuff
1631 # Check for BONE
1632 # XXX: actually should check for NOT net_server
1633 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1634 network_extralibs="-lbind -lsocket"
1635 else
1636 enable beos_netserver
1637 network_extralibs="-lnet"
1638 fi ;;
1639 sunos)
1640 FFSERVERLDFLAGS=""
1641 SHFLAGS='-shared -Wl,-h,$$(@F)'
1642 network_extralibs="-lsocket -lnsl"
1643 add_cppflags -D__EXTENSIONS__
1644 ;;
1645 netbsd)
1646 oss_indev_extralibs="-lossaudio"
1647 oss_outdev_extralibs="-lossaudio"
1648 ;;
1649 openbsd)
1650 disable need_memalign
1651 LIBOBJFLAGS='$(PIC)'
1652 SHFLAGS='-shared'
1653 oss_indev_extralibs="-lossaudio"
1654 oss_outdev_extralibs="-lossaudio"
1655 ;;
1656 freebsd|dragonfly)
1657 disable need_memalign
1658 ;;
1659 bsd/os)
1660 osextralibs="-lpoll -lgnugetopt"
1661 strip="strip -d"
1662 ;;
1663 darwin)
1664 disable need_memalign
1665 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1666 strip="strip -x"
1667 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1668 SLIBSUF=".dylib"
1669 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1670 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1671 FFSERVERLDFLAGS=-Wl,-bind_at_load
1672 objformat="macho"
1673 enabled x86_64 && objformat="macho64"
1674 ;;
1675 mingw32*)
1676 target_os=mingw32
1677 LIBTARGET=i386
1678 if enabled x86_64; then
1679 disable need_memalign
1680 LIBTARGET=x64
1681 fi
1682 shlibdir_default="$bindir_default"
1683 disable ffserver
1684 SLIBPREF=""
1685 SLIBSUF=".dll"
1686 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1687 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1688 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1689 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1690 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1691 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1692 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1693 objformat="win32"
1694 enable dos_paths
1695 check_cflags -fno-common
1696 if ! enabled x86_64; then
1697 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1698 die "ERROR: MinGW runtime version must be >= 3.15."
1699 enabled_any avisynth vfwcap_demuxer &&
1700 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1701 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1702 fi
1703 ;;
1704 cygwin*)
1705 target_os=cygwin
1706 shlibdir_default="$bindir_default"
1707 SLIBPREF="cyg"
1708 SLIBSUF=".dll"
1709 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1710 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1711 SHFLAGS='-shared -Wl,--enable-auto-image-base'
1712 objformat="win32"
1713 enable dos_paths
1714 check_cflags -fno-common
1715 ;;
1716 *-dos|freedos|opendos)
1717 disable ffplay ffserver
1718 disable $INDEV_LIST $OUTDEV_LIST
1719 network_extralibs="-lsocket"
1720 objformat="coff"
1721 enable dos_paths
1722 ;;
1723 linux)
1724 enable dv1394
1725 ;;
1726 irix*)
1727 target_os=irix
1728 ranlib="echo ignoring ranlib"
1729 ;;
1730 os/2*)
1731 strip="lxlite"
1732 ln_s="cp -f"
1733 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1734 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1735 FFSERVERLDFLAGS=""
1736 LIBSUF="_s.a"
1737 SLIBPREF=""
1738 SLIBSUF=".dll"
1739 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1740 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1741 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1742 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1743 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1744 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1745 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1746 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1747 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1748 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1749 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1750 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1751 enable dos_paths
1752 ;;
1753 gnu/kfreebsd)
1754 ;;
1755 gnu)
1756 ;;
1757
1758 *)
1759 die "Unknown OS '$target_os'."
1760 ;;
1761 esac
1762
1763 set_default $PATHS_LIST
1764
1765 add_extralibs $osextralibs
1766
1767 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1768 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1769
1770 # we need to build at least one lib type
1771 if ! enabled_any static shared; then
1772 cat <<EOF
1773 At least one library type must be built.
1774 Specify --enable-static to build the static libraries or --enable-shared to
1775 build the shared libraries as well. To only build the shared libraries specify
1776 --disable-static in addition to --enable-shared.
1777 EOF
1778 exit 1;
1779 fi
1780
1781 disabled static && LIBNAME=""
1782
1783 if enabled_any libfaad libfaadbin ; then
1784 if check_header faad.h; then
1785 check_cc <<EOF
1786 #include <faad.h>
1787 #ifndef FAAD2_VERSION
1788 ok faad1
1789 #endif
1790 int main(void) { return 0; }
1791 EOF
1792 test $? = 0 && enable libfaad2
1793 else
1794 die "FAAD test failed."
1795 fi
1796 fi
1797
1798
1799 die_license_disabled() {
1800 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1801 }
1802
1803 die_license_disabled gpl libfaad2
1804 die_license_disabled gpl libx264
1805 die_license_disabled gpl libxvid
1806 die_license_disabled gpl postproc
1807 die_license_disabled gpl x11grab
1808
1809 die_license_disabled nonfree libfaac
1810
1811 die_license_disabled version3 libopencore_amrnb
1812 die_license_disabled version3 libopencore_amrwb
1813
1814 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1815
1816 check_deps $ARCH_EXT_LIST
1817
1818 test -z "$need_memalign" && need_memalign="$mmx"
1819
1820 #Darwin CC versions
1821 if test $target_os = darwin; then
1822 if enabled xlc; then
1823 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1824 else
1825 add_cflags -pipe
1826 check_cflags -force_cpusubtype_ALL
1827 check_cflags -Wno-sign-compare
1828 enabled shared || check_cflags -mdynamic-no-pic
1829 fi
1830 fi
1831
1832 disabled optimizations || check_cflags -fomit-frame-pointer
1833
1834 # Add processor-specific flags
1835 if test $cpu != "generic"; then
1836 warn_altivec(){
1837 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1838 }
1839 case $cpu in
1840 601|ppc601|PowerPC601)
1841 cpuflags="-mcpu=601"
1842 warn_altivec enabled PPC601
1843 ;;
1844 603*|ppc603*|PowerPC603*)
1845 cpuflags="-mcpu=603"
1846 warn_altivec enabled PPC603
1847 ;;
1848 604*|ppc604*|PowerPC604*)
1849 cpuflags="-mcpu=604"
1850 warn_altivec enabled PPC604
1851 ;;
1852 G3|g3|75*|ppc75*|PowerPC75*)
1853 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1854 warn_altivec enabled PPC75x
1855 ;;
1856 G4|g4|745*|ppc745*|PowerPC745*)
1857 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1858 warn_altivec disabled PPC745x
1859 ;;
1860 74*|ppc74*|PowerPC74*)
1861 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1862 warn_altivec disabled PPC74xx
1863 ;;
1864 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1865 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1866 warn_altivec disabled PPC970
1867 ;;
1868 Cell|CELL|cell)
1869 cpuflags="-mcpu=cell"
1870 warn_altivec disabled Cell
1871 enable ldbrx
1872 ;;
1873 # targets that do NOT support conditional mov (cmov)
1874 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1875 cpuflags="-march=$cpu"
1876 disable cmov
1877 ;;
1878 # targets that do support conditional mov (cmov)
1879 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1880 cpuflags="-march=$cpu"
1881 enable cmov
1882 enable fast_cmov
1883 ;;
1884 # targets that do support conditional mov but on which it's slow
1885 pentium4|pentium4m|prescott|nocona)
1886 cpuflags="-march=$cpu"
1887 enable cmov
1888 disable fast_cmov
1889 ;;
1890 sparc64)
1891 cpuflags="-mcpu=v9"
1892 ;;
1893 arm11*|cortex*)
1894 cpuflags="-mcpu=$cpu"
1895 enable fast_unaligned
1896 ;;
1897 armv[67]*)
1898 cpuflags="-march=$cpu"
1899 enable fast_unaligned
1900 ;;
1901 armv*)
1902 cpuflags="-march=$cpu"
1903 ;;
1904 arm*)
1905 cpuflags="-mcpu=$cpu"
1906 ;;
1907 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1908 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1909 ;;
1910 bf*)
1911 cpuflags="-mcpu=$cpu"
1912 ;;
1913 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1914 cpuflags="-march=$cpu"
1915 ;;
1916 *)
1917 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1918 ;;
1919 esac
1920 fi
1921
1922 add_cflags $cpuflags
1923
1924 check_cc <<EOF || die "Symbol mangling check failed."
1925 int ff_extern;
1926 EOF
1927 sym=$($nm -P -g $TMPO | grep ff_extern)
1928 extern_prefix=${sym%%ff_extern*}
1929
1930 check_cc <<EOF && enable inline_asm
1931 void foo(void) { __asm__ volatile ("" ::); }
1932 EOF
1933
1934 if enabled x86; then
1935 # check whether EBP is available on x86
1936 # As 'i' is stored on the stack, this program will crash
1937 # if the base pointer is used to access it because the
1938 # base pointer is cleared in the inline assembly code.
1939 check_exec_crash <<EOF && enable ebp_available
1940 volatile int i=0;
1941 __asm__ volatile (
1942 "xorl %%ebp, %%ebp"
1943 ::: "%ebp");
1944 return i;
1945 EOF
1946
1947 # check wether EBX is available on x86
1948 check_asm ebx_available '"":::"%ebx"'
1949
1950 # check whether more than 10 operands are supported
1951 check_cc <<EOF && enable ten_operands
1952 int main(void) {
1953 int x=0;
1954 __asm__ volatile(
1955 ""
1956 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1957 );
1958 return 0;
1959 }
1960 EOF
1961
1962 # check whether binutils is new enough to compile SSSE3/MMX2
1963 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1964 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
1965
1966 check_asm bswap '"bswap %%eax" ::: "%eax"'
1967
1968 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1969 enabled x86_64 && append YASMFLAGS "-m amd64"
1970 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1971 case "$objformat" in
1972 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1973 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
1974 *) append YASMFLAGS "-DPREFIX" ;;
1975 esac
1976 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1977 fi
1978
1979 # check for assembler specific support
1980
1981 enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1982
1983 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1984 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1985 enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1986
1987 # check for SIMD availability
1988
1989 # AltiVec flags: The FSF version of GCC differs from the Apple version
1990 if enabled altivec; then
1991 check_cflags -maltivec -mabi=altivec &&
1992 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1993 check_cflags -faltivec
1994
1995 # check if our compiler supports Motorola AltiVec C API
1996 check_cc <<EOF || disable altivec
1997 $inc_altivec_h
1998 int main(void) {
1999 vector signed int v1, v2, v3;
2000 v1 = vec_add(v2,v3);
2001 return 0;
2002 }
2003 EOF
2004
2005 # check if our compiler supports braces for vector declarations
2006 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2007 $inc_altivec_h
2008 int main (void) { (vector int) {1}; return 0; }
2009 EOF
2010 fi
2011
2012 # We have to check if pld is a nop and disable it.
2013 enabled arm && check_asm pld '"pld [r0]"'
2014 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2015 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2016 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2017 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2018 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2019 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2020 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2021 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2022
2023 enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2024
2025 # ---
2026 # big/little-endian test
2027 check_cc <<EOF || die "endian test failed"
2028 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2029 EOF
2030 od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2031
2032 # ---
2033 # check availability of some header files
2034
2035 if check_func dlopen; then
2036 ldl=
2037 elif check_func dlopen -ldl; then
2038 ldl=-ldl
2039 fi
2040
2041 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2042 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2043
2044 check_func fork
2045 check_func gethrtime
2046 check_func getrusage
2047 check_func inet_aton $network_extralibs
2048 check_func memalign
2049 check_func mkstemp
2050 check_func posix_memalign
2051 check_func_headers io.h setmode
2052 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2053 check_func_headers windows.h GetProcessTimes
2054 check_func_headers windows.h VirtualAlloc
2055
2056 check_header conio.h
2057 check_header dlfcn.h
2058 check_header malloc.h
2059 check_header poll.h
2060 check_header sys/mman.h
2061 check_header sys/resource.h
2062 check_header sys/select.h
2063 check_header termios.h
2064 check_header vdpau/vdpau.h
2065 check_header vdpau/vdpau_x11.h
2066 check_header X11/extensions/XvMClib.h
2067
2068 if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2069 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2070 fi
2071
2072 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2073 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2074
2075 # check for some common methods of building with pthread support
2076 # do this before the optional library checks as some of them require pthreads
2077 if enabled pthreads; then
2078 if check_func pthread_create; then
2079 :
2080 elif check_func pthread_create -pthread; then
2081 add_cflags -pthread
2082 add_extralibs -pthread
2083 elif check_func pthread_create -pthreads; then
2084 add_cflags -pthreads
2085 add_extralibs -pthreads
2086 elif check_func pthread_create -lpthreadGC2; then
2087 add_extralibs -lpthreadGC2
2088 elif ! check_lib pthread.h pthread_create -lpthread; then
2089 die "ERROR: can't find pthreads library"
2090 fi
2091 fi
2092
2093 for thread in $THREADS_LIST; do
2094 if enabled $thread; then
2095 test -n "$thread_type" &&
2096 die "ERROR: Only one thread type must be selected." ||
2097 thread_type="$thread"
2098 fi
2099 done
2100
2101 check_lib math.h sin -lm
2102 check_lib va/va.h vaInitialize -lva
2103
2104 # test for C99 functions in math.h
2105 for func in llrint log2 lrint lrintf round roundf truncf; do
2106 check_exec <<EOF && enable $func || disable $func
2107 #include <math.h>
2108 int main(void) { return ($func(3.999f) > 0)?0:1; }
2109 EOF
2110 done
2111
2112 # these are off by default, so fail if requested and not available
2113 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2114 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2115 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2116 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2117 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2118 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
2119 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2120 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2121 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2122 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2123 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2124 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2125 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2126 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2127 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2128 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2129 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2130 enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
2131 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2132 die "ERROR: libx264 version must be >= 0.65."; }
2133 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2134 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2135
2136 # libdc1394 check
2137 if enabled libdc1394; then
2138 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2139 enable libdc1394_2; } ||
2140 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2141 enable libdc1394_1; } ||
2142 die "ERROR: No version of libdc1394 found "
2143 fi
2144
2145
2146 _restrict=
2147 for restrict_keyword in restrict __restrict__ __restrict; do
2148 check_cc <<EOF && _restrict=$restrict_keyword && break
2149 void foo(char * $restrict_keyword p);
2150 EOF
2151 done
2152
2153 ##########################################
2154 # SDL check
2155
2156 disable sdl_too_old
2157 disable sdl
2158 SDL_CONFIG="${cross_prefix}sdl-config"
2159 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2160 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2161 temp_cflags $sdl_cflags
2162 temp_extralibs $("${SDL_CONFIG}" --libs)
2163 if check_lib2 SDL.h SDL_Init; then
2164 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2165 if test "$_sdlversion" -lt 121 ; then
2166 enable sdl_too_old
2167 else
2168 enable sdl
2169 check_cc $sdl_cflags <<EOF && enable sdl_video_size
2170 #include <SDL.h>
2171 int main(int argc, char **argv){
2172 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2173 int w = vi->current_w;
2174 return 0;
2175 }
2176 EOF
2177 fi
2178 fi
2179 restore_flags
2180 fi
2181
2182 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2183
2184 ##########################################
2185 # Network check
2186
2187 if enabled network; then
2188 check_type "sys/types.h sys/socket.h" socklen_t
2189 # Prefer arpa/inet.h over winsock2
2190 if check_header arpa/inet.h ; then
2191 check_func closesocket
2192 elif check_header winsock2.h ; then
2193 network_extralibs="-lws2_32"
2194 check_type ws2tcpip.h socklen_t
2195 check_func_headers winsock2.h closesocket
2196 else
2197 disable network
2198 fi
2199 fi
2200
2201 ##########################################
2202 # IPv6 check
2203
2204 enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2205 #include <sys/types.h>
2206 #include <sys/socket.h>
2207 #include <netinet/in.h>
2208 #include <netdb.h>
2209 int main(void) {
2210 struct sockaddr_storage saddr;
2211 struct ipv6_mreq mreq6;
2212 getaddrinfo(0,0,0,0);
2213 getnameinfo(0,0,0,0,0,0,0);
2214 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2215 }
2216 EOF
2217
2218 check_header linux/videodev.h
2219 check_header linux/videodev2.h
2220 check_header sys/videoio.h
2221
2222 check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2223
2224 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2225 { check_header dev/bktr/ioctl_meteor.h &&
2226 check_header dev/bktr/ioctl_bt848.h; } ||
2227 { check_header machine/ioctl_meteor.h &&
2228 check_header machine/ioctl_bt848.h; } ||
2229 { check_header dev/video/meteor/ioctl_meteor.h &&
2230 check_header dev/video/bktr/ioctl_bt848.h; } ||
2231 check_header dev/ic/bt8xx.h
2232
2233 check_header sys/soundcard.h
2234 check_header soundcard.h
2235
2236 enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2237
2238 enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2239
2240 # deal with the X11 frame grabber
2241 enabled x11grab &&
2242 check_header X11/Xlib.h &&
2243 check_header X11/extensions/XShm.h &&
2244 check_func XOpenDisplay -lX11 &&
2245 check_func XShmCreateImage -lX11 -lXext
2246
2247 enabled debug && add_cflags -g"$debuglevel"
2248
2249 # add some useful compiler flags if supported
2250 check_cflags -Wdeclaration-after-statement
2251 check_cflags -Wall
2252 check_cflags -Wno-switch
2253 check_cflags -Wdisabled-optimization
2254 check_cflags -Wpointer-arith
2255 check_cflags -Wredundant-decls
2256 check_cflags -Wno-pointer-sign
2257 check_cflags -Wcast-qual
2258 check_cflags -Wwrite-strings
2259 check_cflags -Wtype-limits
2260 check_cflags -Wundef
2261 enabled extra_warnings && check_cflags -Winline
2262
2263 # add some linker flags
2264 check_ldflags -Wl,--warn-common
2265 check_ldflags -Wl,--as-needed
2266 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'
2267 check_ldflags -Wl,-Bsymbolic
2268
2269 if enabled small; then
2270 check_cflags -Os # not all compilers support -Os
2271 optimizations="small"
2272 elif enabled optimizations; then
2273 if enabled xlc; then
2274 add_cflags -O5
2275 add_ldflags -O5
2276 elif enabled ccc; then
2277 add_cflags -fast
2278 else
2279 add_cflags -O3
2280 fi
2281 fi
2282 check_cflags -fno-math-errno
2283 check_cflags -fno-signed-zeros
2284
2285 # add some flags for Intel C Compiler
2286 if enabled icc; then
2287 # Just warnings, no remarks
2288 check_cflags -w1
2289 # -wd: Disable following warnings
2290 # 144, 167, 556: -Wno-pointer-sign
2291 # 10006: ignoring unknown option -fno-signed-zeros
2292 # 10156: ignoring option '-W'; no argument required
2293 check_cflags -wd144,167,556,10006,10156
2294 # 11030: Warning unknown option --as-needed
2295 # 10156: ignoring option '-export'; no argument required
2296 check_ldflags -wd10156,11030
2297 # Allow to compile with optimizations
2298 check_ldflags -march=$cpu
2299 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2300 enable ebp_available
2301 elif enabled ccc; then
2302 # disable some annoying warnings
2303 add_cflags -msg_disable cvtu32to64
2304 add_cflags -msg_disable embedcomment
2305 add_cflags -msg_disable needconstext
2306 add_cflags -msg_disable nomainieee
2307 add_cflags -msg_disable ptrmismatch1
2308 add_cflags -msg_disable unreachcode
2309 fi
2310
2311 # PIC flags for shared library objects where they are needed
2312 if enabled shared; then
2313 # LIBOBJFLAGS may have already been set in the OS configuration
2314 if test -z "$LIBOBJFLAGS" ; then
2315 case "${subarch-$arch}" in
2316 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2317 esac
2318 fi
2319 fi
2320
2321 if enabled gprof; then
2322 add_cflags -p
2323 add_ldflags -p
2324 fi
2325
2326 # Find out if the .align argument is a power of two or not.
2327 check_asm asmalign_pot '".align 3"'
2328
2329 enabled_any $DECODER_LIST && enable decoders
2330 enabled_any $ENCODER_LIST && enable encoders
2331 enabled_any $HWACCEL_LIST && enable hwaccels
2332 enabled_any $BSF_LIST && enable bsfs
2333 enabled_any $DEMUXER_LIST && enable demuxers
2334 enabled_any $MUXER_LIST && enable muxers
2335 enabled_any $FILTER_LIST && enable filters
2336 enabled_any $INDEV_LIST && enable demuxers
2337 enabled_any $OUTDEV_LIST && enable muxers
2338 enabled_any $PROTOCOL_LIST && enable protocols
2339
2340 enabled_any $THREADS_LIST && enable threads
2341
2342 check_deps $CONFIG_LIST \
2343 $CONFIG_EXTRA \
2344 $HAVE_LIST \
2345 $DECODER_LIST \
2346 $ENCODER_LIST \
2347 $HWACCEL_LIST \
2348 $PARSER_LIST \
2349 $BSF_LIST \
2350 $DEMUXER_LIST \
2351 $MUXER_LIST \
2352 $FILTER_LIST \
2353 $INDEV_LIST \
2354 $OUTDEV_LIST \
2355 $PROTOCOL_LIST \
2356
2357 echo "install prefix $prefix"
2358 echo "source path $source_path"
2359 echo "C compiler $cc"
2360 echo ".align is power-of-two $asmalign_pot"
2361 echo "ARCH $arch ($cpu)"
2362 if test "$build_suffix" != ""; then
2363 echo "build suffix $build_suffix"
2364 fi
2365 if test "$extra_version" != ""; then
2366 echo "version string suffix $extra_version"
2367 fi
2368 echo "big-endian ${bigendian-no}"
2369 echo "runtime cpu detection ${runtime_cpudetect-no}"
2370 if enabled x86; then
2371 echo "yasm ${yasm-no}"
2372 echo "MMX enabled ${mmx-no}"
2373 echo "MMX2 enabled ${mmx2-no}"
2374 echo "3DNow! enabled ${amd3dnow-no}"
2375 echo "3DNow! extended enabled ${amd3dnowext-no}"
2376 echo "SSE enabled ${sse-no}"
2377 echo "SSSE3 enabled ${ssse3-no}"
2378 echo "CMOV enabled ${cmov-no}"
2379 echo "CMOV is fast ${fast_cmov-no}"
2380 echo "EBX available ${ebx_available-no}"
2381 echo "EBP available ${ebp_available-no}"
2382 echo "10 operands supported ${ten_operands-no}"
2383 fi
2384 if enabled arm; then
2385 echo "ARMv5TE enabled ${armv5te-no}"
2386 echo "ARMv6 enabled ${armv6-no}"
2387 echo "ARMv6T2 enabled ${armv6t2-no}"
2388 echo "ARM VFP enabled ${armvfp-no}"
2389 echo "IWMMXT enabled ${iwmmxt-no}"
2390 echo "NEON enabled ${neon-no}"
2391 fi
2392 if enabled mips; then
2393 echo "MMI enabled ${mmi-no}"
2394 fi
2395 if enabled ppc; then
2396 echo "AltiVec enabled ${altivec-no}"
2397 echo "PPC 4xx optimizations ${ppc4xx-no}"
2398 echo "dcbzl available ${dcbzl-no}"
2399 echo "performance report ${powerpc_perf-no}"
2400 fi
2401 if enabled sparc; then
2402 echo "VIS enabled ${vis-no}"
2403 fi
2404 echo "gprof enabled ${gprof-no}"
2405 echo "debug symbols ${debug-no}"
2406 echo "strip symbols ${stripping-no}"
2407 echo "optimizations ${optimizations-no}"
2408 echo "static ${static-no}"
2409 echo "shared ${shared-no}"
2410 echo "postprocessing support ${postproc-no}"
2411 echo "new filter support ${avfilter-no}"
2412 echo "filters using lavformat ${avfilter_lavf-no}"
2413 echo "network support ${network-no}"
2414 if enabled network; then
2415 echo "IPv6 support ${ipv6-no}"
2416 fi
2417 echo "threading support ${thread_type-no}"
2418 echo "SDL support ${sdl-no}"
2419 if enabled sdl_too_old; then
2420 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2421 fi
2422 echo "Sun medialib support ${mlib-no}"
2423 echo "AVISynth enabled ${avisynth-no}"
2424 echo "libdc1394 support ${libdc1394-no}"
2425 echo "libdirac enabled ${libdirac-no}"
2426 echo "libfaac enabled ${libfaac-no}"
2427 echo "libfaad enabled ${libfaad-no}"
2428 echo "libfaad dlopened ${libfaadbin-no}"
2429 echo "libgsm enabled ${libgsm-no}"
2430 echo "libmp3lame enabled ${libmp3lame-no}"
2431 echo "libnut enabled ${libnut-no}"
2432 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2433 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2434 echo "libopenjpeg enabled ${libopenjpeg-no}"
2435 echo "libschroedinger enabled ${libschroedinger-no}"
2436 echo "libspeex enabled ${libspeex-no}"
2437 echo "libtheora enabled ${libtheora-no}"
2438 echo "libvorbis enabled ${libvorbis-no}"
2439 echo "libx264 enabled ${libx264-no}"
2440 echo "libxvid enabled ${libxvid-no}"
2441 echo "zlib enabled ${zlib-no}"
2442 echo "bzlib enabled ${bzlib-no}"
2443 echo
2444
2445 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2446 echo "Enabled ${type}s:"
2447 eval list=\$$(toupper $type)_LIST
2448 for part in $list; do
2449 enabled $part && echo ${part%_*}
2450 done | sort | pr -3 -t
2451 echo
2452 done
2453
2454 license="LGPL version 2.1 or later"
2455 if enabled nonfree; then
2456 license="nonfree and unredistributable"
2457 elif enabled gplv3; then
2458 license="GPL version 3 or later"
2459 elif enabled lgplv3; then
2460 license="LGPL version 3 or later"
2461 elif enabled gpl; then
2462 license="GPL version 2 or later"
2463 fi
2464
2465 echo "License: $license"
2466
2467 echo "Creating config.mak and config.h..."
2468
2469 echo "# Automatically generated by configure - do not modify!" > config.mak
2470 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2471 echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2472 echo "#define FFMPEG_CONFIG_H" >> $TMPH
2473 echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2474 echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2475
2476 echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2477 echo "prefix=$prefix" >> config.mak
2478 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2479 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2480 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2481 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2482 echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2483 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2484 echo "SRC_PATH=\"$source_path\"" >> config.mak
2485 echo "SRC_PATH_BARE=$source_path" >> config.mak
2486 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2487 echo "CC=$cc" >> config.mak
2488 echo "AS=$as" >> config.mak
2489 echo "LD=$ld" >> config.mak
2490 echo "DEPCC=$dep_cc" >> config.mak
2491 echo "YASM=$yasmexe" >> config.mak
2492 echo "AR=$ar" >> config.mak
2493 echo "RANLIB=$ranlib" >> config.mak
2494 echo "LN_S=$ln_s" >> config.mak
2495 enabled stripping &&
2496 echo "STRIP=$strip" >> config.mak ||
2497 echo "STRIP=echo ignoring strip" >> config.mak
2498
2499 echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2500 echo "CFLAGS=$CFLAGS" >> config.mak
2501 echo "CC_O=$CC_O" >> config.mak
2502 echo "LDFLAGS=$LDFLAGS" >> config.mak
2503 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2504 echo "SHFLAGS=$SHFLAGS" >> config.mak
2505 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2506 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2507 echo "BUILD_STATIC=$static" >> config.mak
2508 echo "BUILDSUF=$build_suffix" >> config.mak
2509 echo "FULLNAME=$FULLNAME" >> config.mak
2510 echo "LIBPREF=$LIBPREF" >> config.mak
2511 echo "LIBSUF=$LIBSUF" >> config.mak
2512 echo "LIBNAME=$LIBNAME" >> config.mak
2513 echo "SLIBPREF=$SLIBPREF" >> config.mak
2514 echo "SLIBSUF=$SLIBSUF" >> config.mak
2515 echo "EXESUF=$EXESUF" >> config.mak
2516 echo "EXTRA_VERSION=$extra_version" >> config.mak
2517 echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2518 echo "HOSTCC=$host_cc" >> config.mak
2519 echo "HOSTCFLAGS=$host_cflags" >> config.mak
2520 echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2521 echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2522 echo "HOSTLIBS=$host_libs" >> config.mak
2523 echo "TARGET_EXEC=$target_exec" >> config.mak
2524 echo "TARGET_PATH=$target_path" >> config.mak
2525
2526 if enabled bigendian; then
2527 echo "WORDS_BIGENDIAN=yes" >> config.mak
2528 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2529 fi
2530
2531 if enabled sdl; then
2532 echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2533 echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2534 fi
2535 if enabled texi2html; then
2536 echo "BUILD_DOC=yes" >> config.mak
2537 fi
2538
2539 get_version(){
2540 name=$1
2541 file=$source_path/$2
2542 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2543 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2544 lcname=$(tolower $name)
2545 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2546 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2547 }
2548
2549 get_version LIBSWSCALE libswscale/swscale.h
2550 get_version LIBPOSTPROC libpostproc/postprocess.h
2551 get_version LIBAVCODEC libavcodec/avcodec.h
2552 get_version LIBAVDEVICE libavdevice/avdevice.h
2553 get_version LIBAVFORMAT libavformat/avformat.h
2554 get_version LIBAVUTIL libavutil/avutil.h
2555 get_version LIBAVFILTER libavfilter/avfilter.h
2556
2557 if enabled shared; then
2558 echo "BUILD_SHARED=yes" >> config.mak
2559 echo "PIC=-fPIC -DPIC" >> config.mak
2560 echo "LIBTARGET=${LIBTARGET}" >> config.mak
2561 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2562 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2563 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2564 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2565 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2566 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2567 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2568 fi
2569 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2570 echo "EXTRALIBS=$extralibs" >> config.mak
2571
2572 echo "ARCH=$arch" >> config.mak
2573
2574 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2575 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2576 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2577 $CONFIG_EXTRA \
2578 $DECODER_LIST \
2579 $ENCODER_LIST \
2580 $HWACCEL_LIST \
2581 $PARSER_LIST \
2582 $BSF_LIST \
2583 $DEMUXER_LIST \
2584 $MUXER_LIST \
2585 $FILTER_LIST \
2586 $PROTOCOL_LIST \
2587 $INDEV_LIST \
2588 $OUTDEV_LIST \
2589
2590 echo "#define restrict $_restrict" >> $TMPH
2591
2592 if enabled small; then
2593 echo "#define av_always_inline" >> $TMPH
2594 fi
2595
2596
2597 # Apparently it's not possible to portably echo a backslash.
2598 enabled asmalign_pot &&
2599 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2600 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2601
2602 echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2603
2604 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2605
2606 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2607 cmp -s $TMPH config.h &&
2608 echo "config.h is unchanged" ||
2609 mv -f $TMPH config.h
2610
2611 # build tree in object directory if source path is different from current one
2612 if enabled source_path_used; then
2613 DIRS="\
2614 doc \
2615 libavcodec \
2616 libavcodec/alpha \
2617 libavcodec/arm \
2618 libavcodec/bfin \
2619 libavcodec/mlib \
2620 libavcodec/ppc \
2621 libavcodec/sh4 \
2622 libavcodec/sparc \
2623 libavcodec/x86 \
2624 libavdevice \
2625 libavfilter \
2626 libavformat \
2627 libavutil \
2628 libpostproc \
2629 libswscale \
2630 libswscale/bfin \
2631 libswscale/mlib \
2632 libswscale/ppc \
2633 libswscale/sparc \
2634 libswscale/x86 \
2635 tests \
2636 tools \
2637 "
2638 FILES="\
2639 Makefile \
2640 common.mak \
2641 subdir.mak \
2642 doc/texi2pod.pl \
2643 libavcodec/Makefile \
2644 libavdevice/Makefile \
2645 libavfilter/Makefile \
2646 libavformat/Makefile \
2647 libavutil/Makefile \
2648 libpostproc/Makefile \
2649 libswscale/Makefile \
2650 "
2651 for dir in $DIRS ; do
2652 mkdir -p $dir
2653 done
2654 for f in $FILES ; do
2655 $ln_s "$source_path/$f" $f
2656 done
2657 fi
2658
2659
2660 # build pkg-config files
2661
2662 pkgconfig_generate(){
2663 name=$1
2664 shortname=${name#lib}${build_suffix}
2665 comment=$2
2666 version=$3
2667 libs=$4
2668 requires=$5
2669 cat <<EOF > $name/$name.pc
2670 prefix=$prefix
2671 exec_prefix=\${prefix}
2672 libdir=$libdir
2673 includedir=$incdir
2674
2675 Name: $name
2676 Description: $comment
2677 Version: $version
2678 Requires: $(disabled shared && echo $requires)
2679 Requires.private: $(enabled shared && echo $requires)
2680 Conflicts:
2681 Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2682 Libs.private: $(enabled shared && echo $libs)
2683 Cflags: -I\${includedir}
2684 EOF
2685 cat <<EOF > $name/$name-uninstalled.pc
2686 prefix=
2687 exec_prefix=
2688 libdir=\${pcfiledir}
2689 includedir=${source_path}
2690
2691 Name: $name
2692 Description: $comment
2693 Version: $version
2694 Requires: $requires
2695 Conflicts:
2696 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2697 Cflags: -I\${includedir}
2698 EOF
2699 }
2700
2701 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2702 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2703 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2704 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2705 enabled avfilter &&
2706 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2707 enabled postproc &&
2708 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2709 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"