Merge libavcore into libavutil
[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 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --disable-pthreads disable pthreads [auto]
94 --enable-w32threads use Win32 threads [no]
95 --enable-x11grab enable X11 grabbing [no]
96 --disable-network disable network support [no]
97 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
98 --enable-gray enable full grayscale support (slower color)
99 --disable-swscale-alpha disable alpha channel support in swscale
100 --disable-fastdiv disable table-based division
101 --enable-small optimize for size instead of speed
102 --disable-aandct disable AAN DCT code
103 --disable-dct disable DCT code
104 --disable-fft disable FFT code
105 --disable-golomb disable Golomb code
106 --disable-huffman disable Huffman code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-frei0r enable frei0r video filtering
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libopencv enable video filtering via libopencv [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
177 --enable-librtmp enable RTMP[E] support via librtmp [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
183 --enable-libvpx enable VP8 support via libvpx [no]
184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxavs enable AVS encoding via xavs [no]
186 --enable-libxvid enable Xvid encoding via xvidcore,
187 native MPEG-4/Xvid encoder exists [no]
188 --enable-mlib enable Sun medialib [no]
189 --enable-zlib enable zlib [autodetect]
190
191 Advanced options (experts only):
192 --source-path=PATH path to source code [$source_path]
193 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
194 --enable-cross-compile assume a cross-compiler is used
195 --sysroot=PATH root of cross-build tree
196 --sysinclude=PATH location of cross-build system headers
197 --target-os=OS compiler targets OS [$target_os]
198 --target-exec=CMD command to run executables on target
199 --target-path=DIR path to view of build directory on target
200 --nm=NM use nm tool
201 --ar=AR use archive tool AR [$ar_default]
202 --as=AS use assembler AS [$as_default]
203 --cc=CC use C compiler CC [$cc_default]
204 --ld=LD use linker LD
205 --host-cc=HOSTCC use host C compiler HOSTCC
206 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
207 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
208 --host-libs=HLIBS use libs HLIBS when linking for host
209 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
210 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211 --extra-libs=ELIBS add ELIBS [$ELIBS]
212 --extra-version=STRING version string suffix []
213 --build-suffix=SUFFIX library name suffix []
214 --arch=ARCH select architecture [$arch]
215 --cpu=CPU select the minimum required CPU (affects
216 instruction selection, may crash on older CPUs)
217 --disable-asm disable all assembler optimizations
218 --disable-altivec disable AltiVec optimizations
219 --disable-amd3dnow disable 3DNow! optimizations
220 --disable-amd3dnowext disable 3DNow! extended optimizations
221 --disable-mmx disable MMX optimizations
222 --disable-mmx2 disable MMX2 optimizations
223 --disable-sse disable SSE optimizations
224 --disable-ssse3 disable SSSE3 optimizations
225 --disable-armv5te disable armv5te optimizations
226 --disable-armv6 disable armv6 optimizations
227 --disable-armv6t2 disable armv6t2 optimizations
228 --disable-armvfp disable ARM VFP optimizations
229 --disable-iwmmxt disable iwmmxt optimizations
230 --disable-mmi disable MMI optimizations
231 --disable-neon disable neon optimizations
232 --disable-vis disable VIS optimizations
233 --disable-yasm disable use of yasm assembler
234 --enable-pic build position-independent code
235 --malloc-prefix=PFX prefix malloc and related names with PFX
236 --enable-sram allow use of on-chip SRAM
237 --disable-symver disable symbol versioning
238
239 Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245 --samples=PATH location of test samples for FATE
246
247 NOTE: Object files are built at the place where configure is launched.
248 EOF
249 exit 0
250 }
251
252 quotes='""'
253
254 log(){
255 echo "$@" >> $logfile
256 }
257
258 log_file(){
259 log BEGIN $1
260 pr -n -t $1 >> $logfile
261 log END $1
262 }
263
264 echolog(){
265 log "$@"
266 echo "$@"
267 }
268
269 warn(){
270 log "WARNING: $*"
271 WARNINGS="${WARNINGS}WARNING: $*\n"
272 }
273
274 die(){
275 echolog "$@"
276 cat <<EOF
277
278 If you think configure made a mistake, make sure you are using the latest
279 version from Git. If the latest version fails, report the problem to the
280 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
281 EOF
282 if disabled logging; then
283 cat <<EOF
284 Rerun configure with logging enabled (do not use --disable-logging), and
285 include the log this produces with your report.
286 EOF
287 else
288 cat <<EOF
289 Include the log file "$logfile" produced by configure as this will help
290 solving the problem.
291 EOF
292 fi
293 exit 1
294 }
295
296 # Avoid locale weirdness, besides we really just want to translate ASCII.
297 toupper(){
298 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
299 }
300
301 tolower(){
302 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
303 }
304
305 c_escape(){
306 echo "$*" | sed 's/["\\]/\\\0/g'
307 }
308
309 sh_quote(){
310 v=$(echo "$1" | sed "s/'/'\\\\''/g")
311 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
312 echo "$v"
313 }
314
315 cleanws(){
316 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
317 }
318
319 filter(){
320 pat=$1
321 shift
322 for v; do
323 eval "case $v in $pat) echo $v ;; esac"
324 done
325 }
326
327 filter_out(){
328 pat=$1
329 shift
330 for v; do
331 eval "case $v in $pat) ;; *) echo $v ;; esac"
332 done
333 }
334
335 map(){
336 m=$1
337 shift
338 for v; do eval $m; done
339 }
340
341 set_all(){
342 value=$1
343 shift
344 for var in $*; do
345 eval $var=$value
346 done
347 }
348
349 set_weak(){
350 value=$1
351 shift
352 for var; do
353 eval : \${$var:=$value}
354 done
355 }
356
357 pushvar(){
358 for var in $*; do
359 eval level=\${${var}_level:=0}
360 eval ${var}_${level}="\$$var"
361 eval ${var}_level=$(($level+1))
362 done
363 }
364
365 popvar(){
366 for var in $*; do
367 eval level=\${${var}_level:-0}
368 test $level = 0 && continue
369 eval level=$(($level-1))
370 eval $var="\${${var}_${level}}"
371 eval ${var}_level=$level
372 eval unset ${var}_${level}
373 done
374 }
375
376 enable(){
377 set_all yes $*
378 }
379
380 disable(){
381 set_all no $*
382 }
383
384 enable_weak(){
385 set_weak yes $*
386 }
387
388 disable_weak(){
389 set_weak no $*
390 }
391
392 enable_safe(){
393 for var; do
394 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
395 done
396 }
397
398 disable_safe(){
399 for var; do
400 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
401 done
402 }
403
404 do_enable_deep(){
405 for var; do
406 enabled $var && continue
407 eval sel="\$${var}_select"
408 eval sgs="\$${var}_suggest"
409 pushvar var sgs
410 enable_deep $sel
411 popvar sgs
412 enable_deep_weak $sgs
413 popvar var
414 done
415 }
416
417 enable_deep(){
418 do_enable_deep $*
419 enable $*
420 }
421
422 enable_deep_weak(){
423 do_enable_deep $*
424 enable_weak $*
425 }
426
427 enabled(){
428 test "${1#!}" = "$1" && op== || op=!=
429 eval test "x\$${1#!}" $op "xyes"
430 }
431
432 disabled(){
433 test "${1#!}" = "$1" && op== || op=!=
434 eval test "x\$${1#!}" $op "xno"
435 }
436
437 enabled_all(){
438 for opt; do
439 enabled $opt || return 1
440 done
441 }
442
443 disabled_all(){
444 for opt; do
445 disabled $opt || return 1
446 done
447 }
448
449 enabled_any(){
450 for opt; do
451 enabled $opt && return 0
452 done
453 }
454
455 disabled_any(){
456 for opt; do
457 disabled $opt && return 0
458 done
459 return 1
460 }
461
462 set_default(){
463 for opt; do
464 eval : \${$opt:=\$${opt}_default}
465 done
466 }
467
468 is_in(){
469 value=$1
470 shift
471 for var in $*; do
472 [ $var = $value ] && return 0
473 done
474 return 1
475 }
476
477 check_deps(){
478 for cfg; do
479 cfg="${cfg#!}"
480 enabled ${cfg}_checking && die "Circular dependency for $cfg."
481 disabled ${cfg}_checking && continue
482 enable ${cfg}_checking
483
484 eval dep_all="\$${cfg}_deps"
485 eval dep_any="\$${cfg}_deps_any"
486 eval dep_sel="\$${cfg}_select"
487 eval dep_sgs="\$${cfg}_suggest"
488 eval dep_ifa="\$${cfg}_if"
489 eval dep_ifn="\$${cfg}_if_any"
490
491 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
492 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
493 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
494
495 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
496 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
497 enabled_all $dep_all || disable $cfg
498 enabled_any $dep_any || disable $cfg
499 disabled_any $dep_sel && disable $cfg
500
501 if enabled $cfg; then
502 eval dep_extralibs="\$${cfg}_extralibs"
503 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
504 enable_deep $dep_sel
505 enable_deep_weak $dep_sgs
506 fi
507
508 disable ${cfg}_checking
509 done
510 }
511
512 print_config_h(){
513 enabled $1 && v=1 || v=0
514 echo "#define $2 $v"
515 }
516
517 print_config_mak(){
518 enabled $1 && v= || v=!
519 echo "$v$2=yes"
520 }
521
522 print_config_asm(){
523 enabled $1 && echo "%define $2"
524 }
525
526 print_config(){
527 pfx=$1
528 files=$2
529 shift 2
530 for cfg; do
531 ucname="$(toupper $cfg)"
532 for f in $files; do
533 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
534 done
535 done
536 }
537
538 print_enabled(){
539 test "$1" = -n && end=" " && shift || end="\n"
540 suf=$1
541 shift
542 for v; do
543 enabled $v && printf "%s$end" ${v%$suf};
544 done
545 }
546
547 append(){
548 var=$1
549 shift
550 eval "$var=\"\$$var $*\""
551 }
552
553 prepend(){
554 var=$1
555 shift
556 eval "$var=\"$* \$$var\""
557 }
558
559 add_cppflags(){
560 append CPPFLAGS $($filter_cppflags "$@")
561 }
562
563 add_cflags(){
564 append CFLAGS $($filter_cflags "$@")
565 }
566
567 add_asflags(){
568 append ASFLAGS $($filter_asflags "$@")
569 }
570
571 add_ldflags(){
572 append LDFLAGS "$@"
573 }
574
575 add_extralibs(){
576 prepend extralibs "$@"
577 }
578
579 check_cmd(){
580 log "$@"
581 "$@" >> $logfile 2>&1
582 }
583
584 check_cc(){
585 log check_cc "$@"
586 cat > $TMPC
587 log_file $TMPC
588 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
589 }
590
591 check_cpp(){
592 log check_cpp "$@"
593 cat > $TMPC
594 log_file $TMPC
595 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
596 }
597
598 check_as(){
599 log check_as "$@"
600 cat > $TMPC
601 log_file $TMPC
602 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
603 }
604
605 check_asm(){
606 log check_asm "$@"
607 name="$1"
608 code="$2"
609 shift 2
610 disable $name
611 check_as "$@" <<EOF && enable $name
612 void foo(void){ __asm__ volatile($code); }
613 EOF
614 }
615
616 check_yasm(){
617 log check_yasm "$@"
618 echo "$1" > $TMPS
619 log_file $TMPS
620 shift 1
621 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
622 }
623
624 check_ld(){
625 log check_ld "$@"
626 flags=''
627 libs=''
628 for f; do
629 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
630 done
631 check_cc $($filter_cflags $flags) || return
632 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
633 }
634
635 check_cppflags(){
636 log check_cppflags "$@"
637 set -- $($filter_cppflags "$@")
638 check_cc "$@" <<EOF && append CPPFLAGS "$@"
639 int x;
640 EOF
641 }
642
643 check_cflags(){
644 log check_cflags "$@"
645 set -- $($filter_cflags "$@")
646 check_cc "$@" <<EOF && append CFLAGS "$@"
647 int x;
648 EOF
649 }
650
651 test_ldflags(){
652 log test_ldflags "$@"
653 check_ld "$@" <<EOF
654 int main(void){ return 0; }
655 EOF
656 }
657
658 check_ldflags(){
659 log check_ldflags "$@"
660 test_ldflags "$@" && add_ldflags "$@"
661 }
662
663 check_header(){
664 log check_header "$@"
665 header=$1
666 shift
667 disable_safe $header
668 check_cpp "$@" <<EOF && enable_safe $header
669 #include <$header>
670 int x;
671 EOF
672 }
673
674 check_func(){
675 log check_func "$@"
676 func=$1
677 shift
678 disable $func
679 check_ld "$@" <<EOF && enable $func
680 extern int $func();
681 int main(void){ $func(); }
682 EOF
683 }
684
685 check_mathfunc(){
686 log check_mathfunc "$@"
687 func=$1
688 shift
689 disable $func
690 check_ld "$@" <<EOF && enable $func
691 #include <math.h>
692 float foo(float f) { return $func(f); }
693 int main(void){ return 0; }
694 EOF
695 }
696
697 check_func_headers(){
698 log check_func_headers "$@"
699 headers=$1
700 func=$2
701 shift 2
702 disable $func
703 incs=""
704 for hdr in $headers; do
705 incs="$incs
706 #include <$hdr>"
707 done
708 check_ld "$@" <<EOF && enable $func && enable_safe $headers
709 $incs
710 int main(int argc, char **argv){
711 return (long) $func;
712 }
713 EOF
714 }
715
716 check_cpp_condition(){
717 log check_cpp_condition "$@"
718 header=$1
719 condition=$2
720 shift 2
721 check_cpp $($filter_cppflags "$@") <<EOF
722 #include <$header>
723 #if !($condition)
724 #error "unsatisfied condition: $condition"
725 #endif
726 EOF
727 }
728
729 check_lib(){
730 log check_lib "$@"
731 header="$1"
732 func="$2"
733 shift 2
734 check_header $header && check_func $func "$@" && add_extralibs "$@"
735 }
736
737 check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
743 }
744
745 check_exec(){
746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
747 }
748
749 check_exec_crash(){
750 code=$(cat)
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
758 (check_exec "$@") >> $logfile 2>&1 <<EOF
759 #include <signal.h>
760 static void sighandler(int sig){
761 raise(SIGTERM);
762 }
763 int main(void){
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767 #ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769 #endif
770 { $code }
771 }
772 EOF
773 }
774
775 check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
780 disable_safe "$type"
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784 #include <$hdr>"
785 done
786 check_cc "$@" <<EOF && enable_safe "$type"
787 $incs
788 $type v;
789 EOF
790 }
791
792 check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802 #include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805 $incs
806 const void *p = &(($struct *)0)->$member;
807 EOF
808 }
809
810 require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
816 }
817
818 require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824 }
825
826 check_host_cc(){
827 log check_host_cc "$@"
828 cat > $TMPC
829 log_file $TMPC
830 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
831 }
832
833 check_host_cflags(){
834 log check_host_cflags "$@"
835 check_host_cc "$@" <<EOF && append host_cflags "$@"
836 int x;
837 EOF
838 }
839
840 apply(){
841 file=$1
842 shift
843 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
844 }
845
846 cp_if_changed(){
847 cmp -s "$1" "$2" &&
848 echo "$2 is unchanged" ||
849 cp -f "$1" "$2"
850 }
851
852 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
853 # system-dependent things.
854
855 COMPONENT_LIST="
856 bsfs
857 decoders
858 demuxers
859 encoders
860 filters
861 hwaccels
862 indevs
863 muxers
864 outdevs
865 parsers
866 protocols
867 "
868
869 CONFIG_LIST="
870 $COMPONENT_LIST
871 aandct
872 avcodec
873 avdevice
874 avfilter
875 avformat
876 avisynth
877 bzlib
878 dct
879 doc
880 dwt
881 dxva2
882 fastdiv
883 ffmpeg
884 ffplay
885 ffprobe
886 ffserver
887 fft
888 frei0r
889 golomb
890 gpl
891 gray
892 h264dsp
893 h264pred
894 hardcoded_tables
895 huffman
896 libdc1394
897 libdirac
898 libfaac
899 libgsm
900 libmp3lame
901 libnut
902 libopencore_amrnb
903 libopencore_amrwb
904 libopencv
905 libopenjpeg
906 librtmp
907 libschroedinger
908 libspeex
909 libtheora
910 libvorbis
911 libvpx
912 libx264
913 libxavs
914 libxvid
915 lpc
916 lsp
917 mdct
918 memalign_hack
919 mlib
920 mpegaudio_hp
921 network
922 nonfree
923 pic
924 postproc
925 rdft
926 rtpdec
927 runtime_cpudetect
928 shared
929 small
930 sram
931 static
932 swscale
933 swscale_alpha
934 vaapi
935 vdpau
936 version3
937 x11grab
938 zlib
939 "
940
941 THREADS_LIST='
942 pthreads
943 w32threads
944 '
945
946 ARCH_LIST='
947 alpha
948 arm
949 avr32
950 avr32_ap
951 avr32_uc
952 bfin
953 ia64
954 m68k
955 mips
956 mips64
957 parisc
958 ppc
959 ppc64
960 s390
961 sh4
962 sparc
963 sparc64
964 tomi
965 x86
966 x86_32
967 x86_64
968 '
969
970 ARCH_EXT_LIST='
971 altivec
972 amd3dnow
973 amd3dnowext
974 armv5te
975 armv6
976 armv6t2
977 armvfp
978 iwmmxt
979 mmi
980 mmx
981 mmx2
982 neon
983 ppc4xx
984 sse
985 ssse3
986 vis
987 '
988
989 HAVE_LIST_PUB='
990 bigendian
991 fast_unaligned
992 '
993
994 HAVE_LIST="
995 $ARCH_EXT_LIST
996 $HAVE_LIST_PUB
997 $THREADS_LIST
998 aligned_stack
999 alsa_asoundlib_h
1000 altivec_h
1001 arpa_inet_h
1002 attribute_may_alias
1003 attribute_packed
1004 bswap
1005 closesocket
1006 cmov
1007 conio_h
1008 dcbzl
1009 dev_bktr_ioctl_bt848_h
1010 dev_bktr_ioctl_meteor_h
1011 dev_ic_bt8xx_h
1012 dev_video_meteor_ioctl_meteor_h
1013 dev_video_bktr_ioctl_bt848_h
1014 dlfcn_h
1015 dlopen
1016 dos_paths
1017 ebp_available
1018 ebx_available
1019 exp2
1020 exp2f
1021 fast_64bit
1022 fast_clz
1023 fast_cmov
1024 fcntl
1025 fork
1026 getaddrinfo
1027 gethrtime
1028 GetProcessMemoryInfo
1029 GetProcessTimes
1030 getrusage
1031 gnu_as
1032 struct_rusage_ru_maxrss
1033 ibm_asm
1034 inet_aton
1035 inline_asm
1036 isatty
1037 ldbrx
1038 libdc1394_1
1039 libdc1394_2
1040 llrint
1041 llrintf
1042 local_aligned_16
1043 local_aligned_8
1044 log2
1045 log2f
1046 loongson
1047 lrint
1048 lrintf
1049 lzo1x_999_compress
1050 machine_ioctl_bt848_h
1051 machine_ioctl_meteor_h
1052 malloc_h
1053 MapViewOfFile
1054 memalign
1055 mkstemp
1056 mmap
1057 pld
1058 posix_memalign
1059 round
1060 roundf
1061 sdl
1062 sdl_video_size
1063 setmode
1064 socklen_t
1065 soundcard_h
1066 poll_h
1067 setrlimit
1068 strerror_r
1069 strtok_r
1070 struct_addrinfo
1071 struct_ipv6_mreq
1072 struct_sockaddr_in6
1073 struct_sockaddr_sa_len
1074 struct_sockaddr_storage
1075 symver
1076 symver_gnu_asm
1077 symver_asm_label
1078 sys_mman_h
1079 sys_resource_h
1080 sys_select_h
1081 sys_soundcard_h
1082 sys_videoio_h
1083 ten_operands
1084 termios_h
1085 threads
1086 truncf
1087 vfp_args
1088 VirtualAlloc
1089 winsock2_h
1090 xform_asm
1091 xmm_clobbers
1092 yasm
1093 "
1094
1095 # options emitted with CONFIG_ prefix but not available on command line
1096 CONFIG_EXTRA="
1097 avutil
1098 gplv3
1099 lgplv3
1100 "
1101
1102 CMDLINE_SELECT="
1103 $ARCH_EXT_LIST
1104 $CONFIG_LIST
1105 $THREADS_LIST
1106 asm
1107 cross_compile
1108 debug
1109 extra_warnings
1110 logging
1111 optimizations
1112 stripping
1113 symver
1114 yasm
1115 "
1116
1117 PATHS_LIST='
1118 bindir
1119 datadir
1120 incdir
1121 libdir
1122 mandir
1123 prefix
1124 shlibdir
1125 '
1126
1127 CMDLINE_SET="
1128 $PATHS_LIST
1129 ar
1130 arch
1131 as
1132 build_suffix
1133 cc
1134 cpu
1135 cross_prefix
1136 dep_cc
1137 extra_version
1138 host_cc
1139 host_cflags
1140 host_ldflags
1141 host_libs
1142 host_os
1143 ld
1144 logfile
1145 malloc_prefix
1146 nm
1147 samples
1148 source_path
1149 strip
1150 sysinclude
1151 sysroot
1152 target_exec
1153 target_os
1154 target_path
1155 "
1156
1157 CMDLINE_APPEND="
1158 extra_cflags
1159 "
1160
1161 # code dependency declarations
1162
1163 # architecture extensions
1164
1165 armv5te_deps="arm"
1166 armv6_deps="arm"
1167 armv6t2_deps="arm"
1168 armvfp_deps="arm"
1169 iwmmxt_deps="arm"
1170 neon_deps="arm"
1171
1172 mmi_deps="mips"
1173
1174 altivec_deps="ppc"
1175 ppc4xx_deps="ppc"
1176
1177 vis_deps="sparc"
1178
1179 x86_64_suggest="cmov fast_cmov"
1180 amd3dnow_deps="mmx"
1181 amd3dnowext_deps="amd3dnow"
1182 mmx_deps="x86"
1183 mmx2_deps="mmx"
1184 sse_deps="mmx"
1185 ssse3_deps="sse"
1186
1187 aligned_stack_if_any="ppc x86"
1188 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1189 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1190 fast_unaligned_if_any="armv6 ppc x86"
1191
1192 need_memalign="altivec neon sse"
1193 inline_asm_deps="!tms470"
1194
1195 symver_if_any="symver_asm_label symver_gnu_asm"
1196
1197 # subsystems
1198 dct_select="rdft"
1199 mdct_select="fft"
1200 rdft_select="fft"
1201
1202 # decoders / encoders / hardware accelerators
1203 aac_decoder_select="mdct rdft"
1204 aac_encoder_select="mdct"
1205 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1206 ac3_decoder_select="mdct ac3_parser"
1207 ac3_encoder_select="mdct"
1208 alac_encoder_select="lpc"
1209 amrnb_decoder_select="lsp"
1210 amrwb_decoder_select="lsp"
1211 atrac1_decoder_select="mdct"
1212 atrac3_decoder_select="mdct"
1213 binkaudio_dct_decoder_select="mdct rdft dct"
1214 binkaudio_rdft_decoder_select="mdct rdft"
1215 cavs_decoder_select="golomb"
1216 cook_decoder_select="mdct"
1217 cscd_decoder_suggest="zlib"
1218 dca_decoder_select="mdct"
1219 dnxhd_encoder_select="aandct"
1220 dxa_decoder_select="zlib"
1221 eac3_decoder_select="ac3_decoder"
1222 eamad_decoder_select="aandct"
1223 eatgq_decoder_select="aandct"
1224 eatqi_decoder_select="aandct"
1225 ffv1_decoder_select="golomb"
1226 flac_decoder_select="golomb"
1227 flac_encoder_select="golomb lpc"
1228 flashsv_decoder_select="zlib"
1229 flashsv_encoder_select="zlib"
1230 flv_decoder_select="h263_decoder"
1231 flv_encoder_select="h263_encoder"
1232 fraps_decoder_select="huffman"
1233 h261_encoder_select="aandct"
1234 h263_decoder_select="h263_parser"
1235 h263_encoder_select="aandct"
1236 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1237 h263i_decoder_select="h263_decoder"
1238 h263p_encoder_select="h263_encoder"
1239 h264_decoder_select="golomb h264dsp h264pred"
1240 h264_dxva2_hwaccel_deps="dxva2api_h"
1241 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1242 h264_vaapi_hwaccel_select="vaapi"
1243 h264_vdpau_decoder_select="vdpau h264_decoder"
1244 imc_decoder_select="fft mdct"
1245 jpegls_decoder_select="golomb"
1246 jpegls_encoder_select="golomb"
1247 ljpeg_encoder_select="aandct"
1248 loco_decoder_select="golomb"
1249 mjpeg_encoder_select="aandct"
1250 mlp_decoder_select="mlp_parser"
1251 mp1float_decoder_select="dct"
1252 mp2float_decoder_select="dct"
1253 mp3adufloat_decoder_select="dct"
1254 mp3float_decoder_select="dct"
1255 mp3on4float_decoder_select="dct"
1256 mpeg1video_encoder_select="aandct"
1257 mpeg2video_encoder_select="aandct"
1258 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1259 mpeg4_encoder_select="h263_encoder"
1260 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1261 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1262 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1263 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1264 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1265 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1266 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1267 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1268 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1269 msmpeg4v1_decoder_select="h263_decoder"
1270 msmpeg4v1_encoder_select="h263_encoder"
1271 msmpeg4v2_decoder_select="h263_decoder"
1272 msmpeg4v2_encoder_select="h263_encoder"
1273 msmpeg4v3_decoder_select="h263_decoder"
1274 msmpeg4v3_encoder_select="h263_encoder"
1275 nellymoser_decoder_select="mdct"
1276 nellymoser_encoder_select="mdct"
1277 png_decoder_select="zlib"
1278 png_encoder_select="zlib"
1279 qcelp_decoder_select="lsp"
1280 qdm2_decoder_select="mdct rdft"
1281 ra_144_encoder_select="lpc"
1282 rv10_decoder_select="h263_decoder"
1283 rv10_encoder_select="h263_encoder"
1284 rv20_decoder_select="h263_decoder"
1285 rv20_encoder_select="h263_encoder"
1286 rv30_decoder_select="golomb h264pred"
1287 rv40_decoder_select="golomb h264pred"
1288 shorten_decoder_select="golomb"
1289 sipr_decoder_select="lsp"
1290 snow_decoder_select="dwt"
1291 snow_encoder_select="aandct dwt"
1292 sonic_decoder_select="golomb"
1293 sonic_encoder_select="golomb"
1294 sonic_ls_encoder_select="golomb"
1295 svq1_encoder_select="aandct"
1296 svq3_decoder_select="golomb h264dsp h264pred"
1297 svq3_decoder_suggest="zlib"
1298 theora_decoder_select="vp3_decoder"
1299 tiff_decoder_suggest="zlib"
1300 tiff_encoder_suggest="zlib"
1301 truehd_decoder_select="mlp_decoder"
1302 tscc_decoder_select="zlib"
1303 twinvq_decoder_select="mdct lsp"
1304 vc1_decoder_select="h263_decoder"
1305 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1306 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1307 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1308 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1309 vorbis_decoder_select="mdct"
1310 vorbis_encoder_select="mdct"
1311 vp6_decoder_select="huffman"
1312 vp6a_decoder_select="vp6_decoder"
1313 vp6f_decoder_select="vp6_decoder"
1314 vp8_decoder_select="h264pred"
1315 wmapro_decoder_select="mdct"
1316 wmav1_decoder_select="mdct"
1317 wmav1_encoder_select="mdct"
1318 wmav2_decoder_select="mdct"
1319 wmav2_encoder_select="mdct"
1320 wmavoice_decoder_select="lsp rdft dct mdct"
1321 wmv1_decoder_select="h263_decoder"
1322 wmv1_encoder_select="h263_encoder"
1323 wmv2_decoder_select="h263_decoder"
1324 wmv2_encoder_select="h263_encoder"
1325 wmv3_decoder_select="vc1_decoder"
1326 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1327 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1328 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1329 zlib_decoder_select="zlib"
1330 zlib_encoder_select="zlib"
1331 zmbv_decoder_select="zlib"
1332 zmbv_encoder_select="zlib"
1333
1334 vaapi_deps="va_va_h"
1335 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1336
1337 # parsers
1338 h264_parser_select="golomb h264dsp h264pred"
1339
1340 # external libraries
1341 libdirac_decoder_deps="libdirac !libschroedinger"
1342 libdirac_encoder_deps="libdirac"
1343 libfaac_encoder_deps="libfaac"
1344 libgsm_decoder_deps="libgsm"
1345 libgsm_encoder_deps="libgsm"
1346 libgsm_ms_decoder_deps="libgsm"
1347 libgsm_ms_encoder_deps="libgsm"
1348 libmp3lame_encoder_deps="libmp3lame"
1349 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1350 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1351 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1352 libopenjpeg_decoder_deps="libopenjpeg"
1353 libschroedinger_decoder_deps="libschroedinger"
1354 libschroedinger_encoder_deps="libschroedinger"
1355 libspeex_decoder_deps="libspeex"
1356 libtheora_encoder_deps="libtheora"
1357 libvorbis_encoder_deps="libvorbis"
1358 libvpx_decoder_deps="libvpx"
1359 libvpx_encoder_deps="libvpx"
1360 libx264_encoder_deps="libx264"
1361 libxavs_encoder_deps="libxavs"
1362 libxvid_encoder_deps="libxvid"
1363
1364 # demuxers / muxers
1365 ac3_demuxer_select="ac3_parser"
1366 asf_stream_muxer_select="asf_muxer"
1367 avisynth_demuxer_deps="avisynth"
1368 dirac_demuxer_select="dirac_parser"
1369 eac3_demuxer_select="ac3_parser"
1370 flac_demuxer_select="flac_parser"
1371 ipod_muxer_select="mov_muxer"
1372 libnut_demuxer_deps="libnut"
1373 libnut_muxer_deps="libnut"
1374 matroska_audio_muxer_select="matroska_muxer"
1375 matroska_demuxer_suggest="zlib bzlib"
1376 mov_demuxer_suggest="zlib"
1377 mp3_demuxer_select="mpegaudio_parser"
1378 mp4_muxer_select="mov_muxer"
1379 mpegtsraw_demuxer_select="mpegts_demuxer"
1380 mxf_d10_muxer_select="mxf_muxer"
1381 ogg_demuxer_select="golomb"
1382 psp_muxer_select="mov_muxer"
1383 rtp_demuxer_select="sdp_demuxer"
1384 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1385 rtsp_demuxer_select="http_protocol rtpdec"
1386 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1387 sap_demuxer_select="sdp_demuxer"
1388 sap_muxer_select="rtp_muxer rtp_protocol"
1389 sdp_demuxer_select="rtpdec"
1390 spdif_muxer_select="aac_parser"
1391 tg2_muxer_select="mov_muxer"
1392 tgp_muxer_select="mov_muxer"
1393 w64_demuxer_deps="wav_demuxer"
1394
1395 # indevs / outdevs
1396 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1397 alsa_outdev_deps="alsa_asoundlib_h"
1398 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1399 dv1394_indev_deps="dv1394 dv_demuxer"
1400 jack_indev_deps="jack_jack_h"
1401 libdc1394_indev_deps="libdc1394"
1402 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1403 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1404 v4l_indev_deps="linux_videodev_h"
1405 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1406 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1407 vfwcap_indev_extralibs="-lavicap32"
1408 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1409 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1410
1411 # protocols
1412 gopher_protocol_deps="network"
1413 http_protocol_deps="network"
1414 http_protocol_select="tcp_protocol"
1415 mmsh_protocol_select="http_protocol"
1416 mmst_protocol_deps="network"
1417 rtmp_protocol_select="tcp_protocol"
1418 rtp_protocol_select="udp_protocol"
1419 tcp_protocol_deps="network"
1420 udp_protocol_deps="network"
1421
1422 # filters
1423 blackframe_filter_deps="gpl"
1424 cropdetect_filter_deps="gpl"
1425 frei0r_filter_deps="frei0r dlopen strtok_r"
1426 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1427 hqdn3d_filter_deps="gpl"
1428 scale_filter_deps="swscale"
1429 ocv_filter_deps="libopencv"
1430 yadif_filter_deps="gpl"
1431
1432 # libraries
1433 avdevice_deps="avcodec avformat"
1434 avformat_deps="avcodec"
1435
1436 # programs
1437 ffmpeg_deps="avcodec avformat swscale"
1438 ffmpeg_select="buffer_filter"
1439 ffplay_deps="avcodec avformat swscale sdl"
1440 ffplay_select="rdft"
1441 ffprobe_deps="avcodec avformat"
1442 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1443 ffserver_extralibs='$ldl'
1444
1445 doc_deps="texi2html"
1446
1447 # tests
1448
1449 test_deps(){
1450 suf1=$1
1451 suf2=$2
1452 shift 2
1453 for v; do
1454 dep=${v%=*}
1455 tests=${v#*=}
1456 for name in ${tests}; do
1457 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1458 done
1459 done
1460 }
1461
1462 set_ne_test_deps(){
1463 eval ${1}_be_test_deps="bigendian"
1464 eval ${1}_le_test_deps="!bigendian"
1465 }
1466
1467 test_deps _encoder _decoder \
1468 adpcm_g726=g726 \
1469 adpcm_ima_qt \
1470 adpcm_ima_wav \
1471 adpcm_ms \
1472 adpcm_swf \
1473 adpcm_yamaha=adpcm_yam \
1474 alac \
1475 asv1 \
1476 asv2 \
1477 bmp \
1478 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1479 dvvideo="dv dv50" \
1480 ffv1 \
1481 flac \
1482 flashsv \
1483 flv \
1484 gif \
1485 h261 \
1486 h263="h263 h263p" \
1487 huffyuv \
1488 jpegls \
1489 mjpeg="jpg mjpeg ljpeg" \
1490 mp2 \
1491 mpeg1video="mpeg mpeg1b" \
1492 mpeg2video="mpeg2 mpeg2thread" \
1493 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1494 msmpeg4v3=msmpeg4 \
1495 msmpeg4v2 \
1496 pbm=pbmpipe \
1497 pcx \
1498 pgm="pgm pgmpipe" \
1499 png \
1500 ppm="ppm ppmpipe" \
1501 rawvideo="rgb yuv" \
1502 roq \
1503 rv10 \
1504 rv20 \
1505 sgi \
1506 snow="snow snowll" \
1507 svq1 \
1508 targa=tga \
1509 tiff \
1510 wmav1 \
1511 wmav2 \
1512 wmv1 \
1513 wmv2 \
1514
1515 test_deps _muxer _demuxer \
1516 aiff \
1517 pcm_alaw=alaw \
1518 asf \
1519 au \
1520 avi \
1521 dv=dv_fmt \
1522 ffm \
1523 flv=flv_fmt \
1524 gxf \
1525 matroska=mkv \
1526 mmf \
1527 mov \
1528 pcm_mulaw=mulaw \
1529 mxf \
1530 nut \
1531 ogg \
1532 rawvideo=pixfmt \
1533 rm \
1534 swf \
1535 mpegts=ts \
1536 voc \
1537 wav \
1538 yuv4mpegpipe=yuv4mpeg \
1539
1540 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1541 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1542
1543 set_ne_test_deps pixdesc
1544 set_ne_test_deps pixfmts_copy
1545 set_ne_test_deps pixfmts_crop
1546 set_ne_test_deps pixfmts_hflip
1547 set_ne_test_deps pixfmts_null
1548 set_ne_test_deps pixfmts_pad
1549 set_ne_test_deps pixfmts_scale
1550 set_ne_test_deps pixfmts_vflip
1551
1552 # default parameters
1553
1554 logfile="config.log"
1555
1556 # installation paths
1557 prefix_default="/usr/local"
1558 bindir_default='${prefix}/bin'
1559 datadir_default='${prefix}/share/ffmpeg'
1560 incdir_default='${prefix}/include'
1561 libdir_default='${prefix}/lib'
1562 mandir_default='${prefix}/share/man'
1563 shlibdir_default="$libdir_default"
1564
1565 # toolchain
1566 ar_default="ar"
1567 cc_default="gcc"
1568 cc_version=\"unknown\"
1569 host_cc_default="gcc"
1570 ln_s="ln -sf"
1571 nm_default="nm"
1572 objformat="elf"
1573 ranlib="ranlib"
1574 strip_default="strip"
1575 yasmexe="yasm"
1576 nogas=":"
1577
1578 nm_opts='-g'
1579
1580 # machine
1581 arch_default=$(uname -m)
1582 cpu="generic"
1583
1584 # OS
1585 target_os_default=$(tolower $(uname -s))
1586 host_os=$target_os_default
1587
1588 # configurable options
1589 enable avcodec
1590 enable avdevice
1591 enable avfilter
1592 enable avformat
1593 enable avutil
1594 enable asm
1595 enable debug
1596 enable doc
1597 enable fastdiv
1598 enable ffmpeg
1599 enable ffplay
1600 enable ffprobe
1601 enable ffserver
1602 enable mpegaudio_hp
1603 enable network
1604 enable optimizations
1605 enable protocols
1606 enable static
1607 enable stripping
1608 enable swscale
1609 enable swscale_alpha
1610
1611 # build settings
1612 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1613 FFSERVERLDFLAGS=-Wl,-E
1614 LIBPREF="lib"
1615 LIBSUF=".a"
1616 FULLNAME='$(NAME)$(BUILDSUF)'
1617 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1618 SLIBPREF="lib"
1619 SLIBSUF=".so"
1620 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1621 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1622 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1623 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1624
1625 CC_O='-o $@'
1626
1627 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1628 host_libs='-lm'
1629
1630 target_path='$(CURDIR)'
1631
1632 # since the object filename is not given with the -MM flag, the compiler
1633 # is only able to print the basename, and we must add the path ourselves
1634 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1635 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1636
1637 # find source path
1638 source_path="$(dirname "$0")"
1639 enable source_path_used
1640 if test -f configure; then
1641 source_path="$(pwd)"
1642 disable source_path_used
1643 else
1644 source_path="$(cd "$source_path"; pwd)"
1645 echo "$source_path" | grep -q '[[:blank:]]' &&
1646 die "Out of tree builds are impossible with whitespace in source path."
1647 test -e "$source_path/config.h" &&
1648 die "Out of tree builds are impossible with config.h in source dir."
1649 fi
1650
1651 for v in "$@"; do
1652 r=${v#*=}
1653 l=${v%"$r"}
1654 r=$(sh_quote "$r")
1655 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1656 done
1657
1658 find_things(){
1659 thing=$1
1660 pattern=$2
1661 file=$source_path/$3
1662 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1663 }
1664
1665 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1666 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1667 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1668 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1669 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1670 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1671 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1672 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1673 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1674 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1675 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1676
1677 find_tests(){
1678 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1679 }
1680
1681 ACODEC_TESTS=$(find_tests acodec)
1682 VCODEC_TESTS=$(find_tests vsynth1)
1683 LAVF_TESTS=$(find_tests lavf)
1684 LAVFI_TESTS=$(find_tests lavfi)
1685 SEEK_TESTS=$(find_tests seek seek_)
1686
1687 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1688
1689 for n in $COMPONENT_LIST; do
1690 v=$(toupper ${n%s})_LIST
1691 eval enable \$$v
1692 eval ${n}_if_any="\$$v"
1693 done
1694
1695 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1696
1697 die_unknown(){
1698 echo "Unknown option \"$1\"."
1699 echo "See $0 --help for available options."
1700 exit 1
1701 }
1702
1703 show_list() {
1704 suffix=_$1
1705 shift
1706 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1707 exit 0
1708 }
1709
1710 for opt do
1711 optval="${opt#*=}"
1712 case "$opt" in
1713 --extra-ldflags=*) add_ldflags $optval
1714 ;;
1715 --extra-libs=*) add_extralibs $optval
1716 ;;
1717 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1718 ;;
1719 --enable-debug=*) debuglevel="$optval"
1720 ;;
1721 --disable-everything)
1722 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1723 ;;
1724 --enable-*=*|--disable-*=*)
1725 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1726 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1727 eval list=\$$(toupper $thing)_LIST
1728 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1729 $action $(filter "$name" $list)
1730 ;;
1731 --enable-?*|--disable-?*)
1732 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1733 if is_in $option $COMPONENT_LIST; then
1734 test $action = disable && action=unset
1735 eval $action \$$(toupper ${option%s})_LIST
1736 elif is_in $option $CMDLINE_SELECT; then
1737 $action $option
1738 else
1739 die_unknown $opt
1740 fi
1741 ;;
1742 --list-*)
1743 NAME="${opt#--list-}"
1744 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1745 NAME=${NAME%s}
1746 eval show_list $NAME \$$(toupper $NAME)_LIST
1747 ;;
1748 --help|-h) show_help
1749 ;;
1750 *)
1751 optname="${opt%%=*}"
1752 optname="${optname#--}"
1753 optname=$(echo "$optname" | sed 's/-/_/g')
1754 if is_in $optname $CMDLINE_SET; then
1755 eval $optname='$optval'
1756 elif is_in $optname $CMDLINE_APPEND; then
1757 append $optname "$optval"
1758 else
1759 die_unknown $opt
1760 fi
1761 ;;
1762 esac
1763 done
1764
1765 disabled logging && logfile=/dev/null
1766
1767 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1768 set >> $logfile
1769
1770 test -n "$cross_prefix" && enable cross_compile
1771
1772 if enabled cross_compile; then
1773 test -n "$arch" && test -n "$target_os" ||
1774 die "Must specify target arch and OS when cross-compiling"
1775 fi
1776
1777 set_default arch target_os
1778
1779 ar_default="${cross_prefix}${ar_default}"
1780 cc_default="${cross_prefix}${cc_default}"
1781 nm_default="${cross_prefix}${nm_default}"
1782 ranlib="${cross_prefix}${ranlib}"
1783 strip_default="${cross_prefix}${strip_default}"
1784
1785 sysinclude_default="${sysroot}/usr/include"
1786
1787 set_default cc nm strip sysinclude
1788 enabled cross_compile || host_cc_default=$cc
1789 set_default host_cc
1790
1791 exesuf() {
1792 case $1 in
1793 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1794 esac
1795 }
1796
1797 EXESUF=$(exesuf $target_os)
1798 HOSTEXESUF=$(exesuf $host_os)
1799
1800 # set temporary file name
1801 : ${TMPDIR:=$TEMPDIR}
1802 : ${TMPDIR:=$TMP}
1803 : ${TMPDIR:=/tmp}
1804
1805 if ! check_cmd mktemp -u XXXXXX; then
1806 # simple replacement for missing mktemp
1807 # NOT SAFE FOR GENERAL USE
1808 mktemp(){
1809 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1810 }
1811 fi
1812
1813 tmpfile(){
1814 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1815 (set -C; exec > $tmp) 2>/dev/null ||
1816 die "Unable to create temporary file in $TMPDIR."
1817 append TMPFILES $tmp
1818 eval $1=$tmp
1819 }
1820
1821 trap 'rm -f -- $TMPFILES' EXIT
1822
1823 tmpfile TMPC .c
1824 tmpfile TMPE $EXESUF
1825 tmpfile TMPH .h
1826 tmpfile TMPO .o
1827 tmpfile TMPS .S
1828 tmpfile TMPV .ver
1829 tmpfile TMPSH .sh
1830 tmpfile TMPASM .asm
1831
1832 unset -f mktemp
1833
1834 chmod +x $TMPE
1835
1836 # make sure we can execute files in $TMPDIR
1837 cat > $TMPSH 2>> $logfile <<EOF
1838 #! /bin/sh
1839 EOF
1840 chmod +x $TMPSH >> $logfile 2>&1
1841 if ! $TMPSH >> $logfile 2>&1; then
1842 cat <<EOF
1843 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1844 variable to another directory and make sure that it is not mounted noexec.
1845 EOF
1846 die "Sanity test failed."
1847 fi
1848
1849 filter_cflags=echo
1850 filter_cppflags=echo
1851 filter_asflags=echo
1852
1853 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1854 cc_type=llvm_gcc
1855 cc_version=__VERSION__
1856 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1857 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1858 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1859 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1860 speed_cflags='-O3'
1861 size_cflags='-Os'
1862 elif $cc -v 2>&1 | grep -qi ^gcc; then
1863 cc_type=gcc
1864 cc_version=__VERSION__
1865 gcc_version=$($cc --version | head -n1)
1866 gcc_basever=$($cc -dumpversion)
1867 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1868 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1869 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1870 if ! $cc -dumpversion | grep -q '^2\.'; then
1871 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1872 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1873 fi
1874 speed_cflags='-O3'
1875 size_cflags='-Os'
1876 elif $cc --version 2>/dev/null | grep -q Intel; then
1877 cc_type=icc
1878 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1879 cc_ident=$($cc --version | head -n1)
1880 icc_version=$($cc -dumpversion)
1881 CC_DEPFLAGS='-MMD'
1882 AS_DEPFLAGS='-MMD'
1883 speed_cflags='-O3'
1884 size_cflags='-Os'
1885 noopt_cflags='-O1'
1886 elif $cc -v 2>&1 | grep -q xlc; then
1887 cc_type=xlc
1888 cc_version="AV_STRINGIFY(__IBMC__)"
1889 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1890 speed_cflags='-O5'
1891 size_cflags='-O5 -qcompact'
1892 elif $cc -V 2>/dev/null | grep -q Compaq; then
1893 cc_type=ccc
1894 cc_version="AV_STRINGIFY(__DECC_VER)"
1895 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1896 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1897 debuglevel=3
1898 add_ldflags -Wl,-z,now # calls to libots crash without this
1899 speed_cflags='-fast'
1900 size_cflags='-O1'
1901 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1902 test -d "$sysroot" || die "No valid sysroot specified."
1903 cc_type=armcc
1904 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1905 cc_ident=$($cc --vsn | head -n1)
1906 armcc_conf="$PWD/armcc.conf"
1907 $cc --arm_linux_configure \
1908 --arm_linux_config_file="$armcc_conf" \
1909 --configure_sysroot="$sysroot" \
1910 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1911 die "Error creating armcc configuration file."
1912 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1913 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1914 as_default="${cross_prefix}gcc"
1915 CC_DEPFLAGS='-MMD'
1916 AS_DEPFLAGS='-MMD'
1917 speed_cflags='-O3'
1918 size_cflags='-Os'
1919 filter_asflags="filter_out -W${armcc_opt}*"
1920 elif $cc -version 2>/dev/null | grep -q TMS470; then
1921 cc_type=tms470
1922 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1923 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1924 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1925 CC_O='-fr=$(@D)'
1926 as_default="${cross_prefix}gcc"
1927 ld_default="${cross_prefix}gcc"
1928 TMPO=$(basename $TMPC .c).o
1929 append TMPFILES $TMPO
1930 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1931 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1932 AS_DEPFLAGS='-MMD'
1933 speed_cflags='-O3 -mf=5'
1934 size_cflags='-O3 -mf=2'
1935 filter_cflags=tms470_flags
1936 tms470_flags(){
1937 for flag; do
1938 case $flag in
1939 -march=*|-mcpu=*)
1940 case "${flag#*=}" in
1941 armv7-a|cortex-a*) echo -mv=7a8 ;;
1942 armv7-r|cortex-r*) echo -mv=7r4 ;;
1943 armv7-m|cortex-m*) echo -mv=7m3 ;;
1944 armv6*|arm11*) echo -mv=6 ;;
1945 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1946 echo -mv=5e ;;
1947 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1948 esac
1949 ;;
1950 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1951 -mfpu=vfp) echo --float_support=vfpv2 ;;
1952 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1953 -msoft-float) echo --float_support=vfplib ;;
1954 -O[0-3]|-mf=*) echo $flag ;;
1955 -g) echo -g -mn ;;
1956 -pds=*) echo $flag ;;
1957 esac
1958 done
1959 }
1960 elif $cc -v 2>&1 | grep -q clang; then
1961 cc_type=clang
1962 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1963 cc_version=__clang_version__ || cc_version=__VERSION__
1964 cc_ident=$($cc --version | head -n1)
1965 CC_DEPFLAGS='-MMD'
1966 AS_DEPFLAGS='-MMD'
1967 speed_cflags='-O3'
1968 size_cflags='-Os'
1969 elif $cc -V 2>&1 | grep -q Sun; then
1970 cc_type=suncc
1971 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1972 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1973 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1974 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1975 speed_cflags='-O5'
1976 size_cflags='-O5 -xspace'
1977 filter_cflags=suncc_flags
1978 suncc_flags(){
1979 for flag; do
1980 case $flag in
1981 -march=*|-mcpu=*)
1982 case "${flag#*=}" in
1983 native) echo -xtarget=native ;;
1984 v9|niagara) echo -xarch=sparc ;;
1985 ultrasparc) echo -xarch=sparcvis ;;
1986 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1987 i586|pentium) echo -xchip=pentium ;;
1988 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1989 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1990 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1991 pentium4*) echo -xtarget=pentium4 ;;
1992 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1993 *-sse3) echo -xarch=sse3 ;;
1994 core2) echo -xarch=ssse3 -xchip=core2 ;;
1995 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1996 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1997 k8|opteron|athlon64|athlon-fx)
1998 echo -xarch=sse2a ;;
1999 athlon*) echo -xarch=pentium_proa ;;
2000 esac
2001 ;;
2002 -std=c99) echo -xc99 ;;
2003 -fomit-frame-pointer) echo -xregs=frameptr ;;
2004 -fPIC) echo -KPIC -xcode=pic32 ;;
2005 -W*,*) echo $flag ;;
2006 -f*-*|-W*) ;;
2007 *) echo $flag ;;
2008 esac
2009 done
2010 }
2011 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2012 cc_type=pathscale
2013 cc_version=__PATHSCALE__
2014 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2015 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2016 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2017 speed_cflags='-O2'
2018 size_cflags='-Os'
2019 elif $cc -v 2>&1 | grep -q Open64; then
2020 cc_type=open64
2021 cc_version=__OPEN64__
2022 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2023 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2024 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2025 speed_cflags='-O2'
2026 size_cflags='-Os'
2027 fi
2028
2029 test -n "$cc_type" && enable $cc_type ||
2030 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2031
2032 : ${as_default:=$cc}
2033 : ${dep_cc_default:=$cc}
2034 : ${ld_default:=$cc}
2035 set_default ar as dep_cc ld
2036
2037 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2038 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2039
2040 add_cflags $extra_cflags
2041 add_asflags $extra_cflags
2042
2043 if test -n "$sysroot"; then
2044 case "$cc_type" in
2045 gcc|llvm_gcc)
2046 add_cppflags --sysroot="$sysroot"
2047 add_ldflags --sysroot="$sysroot"
2048 ;;
2049 tms470)
2050 add_cppflags -I"$sysinclude"
2051 add_ldflags --sysroot="$sysroot"
2052 ;;
2053 clang)
2054 add_cppflags -isysroot "$sysroot"
2055 add_ldflags -isysroot "$sysroot"
2056 ;;
2057 esac
2058 fi
2059
2060 if test "$cpu" = host; then
2061 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2062
2063 case "$cc_type" in
2064 gcc|llvm_gcc)
2065 check_native(){
2066 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2067 sed -n "/$1=/{
2068 s/.*$1=\\([^ ]*\\).*/\\1/
2069 p
2070 q
2071 }" $TMPE
2072 }
2073 cpu=$(check_native -march || check_native -mcpu)
2074 ;;
2075 esac
2076
2077 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2078 fi
2079
2080 # Deal with common $arch aliases
2081 case "$arch" in
2082 arm*)
2083 arch="arm"
2084 ;;
2085 mips|mipsel|IP*)
2086 arch="mips"
2087 ;;
2088 mips64*)
2089 arch="mips"
2090 subarch="mips64"
2091 ;;
2092 parisc|hppa)
2093 arch="parisc"
2094 ;;
2095 parisc64|hppa64)
2096 arch="parisc"
2097 subarch="parisc64"
2098 ;;
2099 "Power Macintosh"|ppc|powerpc)
2100 arch="ppc"
2101 ;;
2102 ppc64|powerpc64)
2103 arch="ppc"
2104 subarch="ppc64"
2105 ;;
2106 s390|s390x)
2107 arch="s390"
2108 ;;
2109 sh4|sh)
2110 arch="sh4"
2111 ;;
2112 sun4u|sparc64)
2113 arch="sparc"
2114 subarch="sparc64"
2115 ;;
2116 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2117 arch="x86"
2118 ;;
2119 esac
2120
2121 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2122 enable $arch
2123
2124 # Add processor-specific flags
2125 if test "$cpu" = generic; then
2126 : do nothing
2127 elif enabled ppc; then
2128
2129 case $(tolower $cpu) in
2130 601|ppc601|powerpc601)
2131 cpuflags="-mcpu=601"
2132 disable altivec
2133 ;;
2134 603*|ppc603*|powerpc603*)
2135 cpuflags="-mcpu=603"
2136 disable altivec
2137 ;;
2138 604*|ppc604*|powerpc604*)
2139 cpuflags="-mcpu=604"
2140 disable altivec
2141 ;;
2142 g3|75*|ppc75*|powerpc75*)
2143 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2144 disable altivec
2145 ;;
2146 g4|745*|ppc745*|powerpc745*)
2147 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2148 ;;
2149 74*|ppc74*|powerpc74*)
2150 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2151 ;;
2152 g5|970|ppc970|powerpc970|power4*)
2153 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2154 ;;
2155 cell)
2156 cpuflags="-mcpu=cell"
2157 enable ldbrx
2158 ;;
2159 e500v2)
2160 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2161 disable altivec
2162 ;;
2163 e500)
2164 cpuflags="-mcpu=8540 -mhard-float"
2165 disable altivec
2166 ;;
2167 esac
2168
2169 elif enabled x86; then
2170
2171 case $cpu in
2172 i[345]86|pentium)
2173 cpuflags="-march=$cpu"
2174 disable mmx
2175 ;;
2176 # targets that do NOT support conditional mov (cmov)
2177 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2178 cpuflags="-march=$cpu"
2179 disable cmov
2180 ;;
2181 # targets that do support conditional mov (cmov)
2182 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2183 cpuflags="-march=$cpu"
2184 enable cmov
2185 enable fast_cmov
2186 ;;
2187 # targets that do support conditional mov but on which it's slow
2188 pentium4|pentium4m|prescott|nocona)
2189 cpuflags="-march=$cpu"
2190 enable cmov
2191 disable fast_cmov
2192 ;;
2193 esac
2194
2195 elif enabled sparc; then
2196
2197 case $cpu in
2198 niagara)
2199 cpuflags="-mcpu=$cpu"
2200 disable vis
2201 ;;
2202 sparc64)
2203 cpuflags="-mcpu=v9"
2204 ;;
2205 esac
2206
2207 elif enabled arm; then
2208
2209 case $cpu in
2210 armv*)
2211 cpuflags="-march=$cpu"
2212 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2213 ;;
2214 *)
2215 cpuflags="-mcpu=$cpu"
2216 case $cpu in
2217 cortex-a*) subarch=armv7a ;;
2218 cortex-r*) subarch=armv7r ;;
2219 cortex-m*) subarch=armv7m ;;
2220 arm11*) subarch=armv6 ;;
2221 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2222 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2223 esac
2224 ;;
2225 esac
2226
2227 elif enabled alpha; then
2228
2229 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2230
2231 elif enabled bfin; then
2232
2233 cpuflags="-mcpu=$cpu"
2234
2235 elif enabled mips; then
2236
2237 cpuflags="-march=$cpu"
2238
2239 elif enabled avr32; then
2240
2241 case $cpu in
2242 ap7[02]0[0-2])
2243 subarch="avr32_ap"
2244 cpuflags="-mpart=$cpu"
2245 ;;
2246 ap)
2247 subarch="avr32_ap"
2248 cpuflags="-march=$cpu"
2249 ;;
2250 uc3[ab]*)
2251 subarch="avr32_uc"
2252 cpuflags="-mcpu=$cpu"
2253 ;;
2254 uc)
2255 subarch="avr32_uc"
2256 cpuflags="-march=$cpu"
2257 ;;
2258 esac
2259
2260 fi
2261
2262 add_cflags $cpuflags
2263 add_asflags $cpuflags
2264
2265 # compiler sanity check
2266 check_exec <<EOF
2267 int main(void){ return 0; }
2268 EOF
2269 if test "$?" != 0; then
2270 echo "$cc is unable to create an executable file."
2271 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2272 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2273 echo "Only do this if you know what cross compiling means."
2274 fi
2275 die "C compiler test failed."
2276 fi
2277
2278 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2279 check_cflags -std=c99
2280 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2281 #include <stdlib.h>
2282 EOF
2283 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2284 #include <stdlib.h>
2285 EOF
2286
2287 check_host_cflags -std=c99
2288
2289 case "$arch" in
2290 alpha|ia64|mips|parisc|sparc)
2291 spic=$shared
2292 ;;
2293 x86)
2294 subarch="x86_32"
2295 check_cc <<EOF && subarch="x86_64"
2296 int test[(int)sizeof(char*) - 7];
2297 EOF
2298 if test "$subarch" = "x86_64"; then
2299 spic=$shared
2300 fi
2301 ;;
2302 esac
2303
2304 enable $subarch
2305 enabled spic && enable pic
2306
2307 # OS specific
2308 case $target_os in
2309 haiku)
2310 prefix_default="/boot/common"
2311 network_extralibs="-lnetwork"
2312 host_libs=
2313 ;;
2314 sunos)
2315 FFSERVERLDFLAGS=""
2316 SHFLAGS='-shared -Wl,-h,$$(@F)'
2317 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2318 network_extralibs="-lsocket -lnsl"
2319 add_cppflags -D__EXTENSIONS__
2320 nm_opts='-P -g'
2321 ;;
2322 netbsd)
2323 disable symver
2324 oss_indev_extralibs="-lossaudio"
2325 oss_outdev_extralibs="-lossaudio"
2326 add_cppflags -D_XOPEN_SOURCE=600
2327 ;;
2328 openbsd)
2329 enable malloc_aligned
2330 # On OpenBSD 4.5. the compiler does not use PIC unless
2331 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2332 # however the generated executable will not do anything
2333 # (simply quits with exit-code 1, no crash, no output).
2334 # Thus explicitly enable PIC here.
2335 enable pic
2336 disable symver
2337 SHFLAGS='-shared'
2338 oss_indev_extralibs="-lossaudio"
2339 oss_outdev_extralibs="-lossaudio"
2340 ;;
2341 dragonfly)
2342 enable malloc_aligned
2343 disable symver
2344 ;;
2345 freebsd)
2346 enable malloc_aligned
2347 ;;
2348 bsd/os)
2349 add_extralibs -lpoll -lgnugetopt
2350 strip="strip -d"
2351 ;;
2352 darwin)
2353 enable malloc_aligned
2354 gas="gas-preprocessor.pl $cc"
2355 enabled ppc && add_asflags -force_cpusubtype_ALL
2356 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2357 strip="${strip} -x"
2358 add_ldflags -Wl,-dynamic,-search_paths_first
2359 SLIBSUF=".dylib"
2360 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2361 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2362 FFSERVERLDFLAGS=-Wl,-bind_at_load
2363 objformat="macho"
2364 enabled x86_64 && objformat="macho64"
2365 enabled_any pic shared ||
2366 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2367 ;;
2368 mingw32*)
2369 if test $target_os = "mingw32ce"; then
2370 disable network
2371 else
2372 target_os=mingw32
2373 fi
2374 LIBTARGET=i386
2375 if enabled x86_64; then
2376 enable malloc_aligned
2377 LIBTARGET=x64
2378 elif enabled arm; then
2379 LIBTARGET=arm
2380 fi
2381 shlibdir_default="$bindir_default"
2382 disable ffserver
2383 SLIBPREF=""
2384 SLIBSUF=".dll"
2385 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2386 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2387 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2388 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2389 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2390 install -d "$(LIBDIR)"; \
2391 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2392 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2393 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'
2394 objformat="win32"
2395 enable dos_paths
2396 check_cflags -fno-common
2397 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2398 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2399 die "ERROR: MinGW runtime version must be >= 3.15."
2400 ;;
2401 cygwin*)
2402 target_os=cygwin
2403 shlibdir_default="$bindir_default"
2404 SLIBPREF="cyg"
2405 SLIBSUF=".dll"
2406 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2407 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2408 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2409 objformat="win32"
2410 enable dos_paths
2411 check_cflags -fno-common
2412 ;;
2413 *-dos|freedos|opendos)
2414 disable ffplay ffserver
2415 disable $INDEV_LIST $OUTDEV_LIST
2416 network_extralibs="-lsocket"
2417 objformat="coff"
2418 enable dos_paths
2419 ;;
2420 linux)
2421 enable dv1394
2422 ;;
2423 irix*)
2424 target_os=irix
2425 ranlib="echo ignoring ranlib"
2426 ;;
2427 os/2*)
2428 strip="lxlite"
2429 ln_s="cp -f"
2430 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2431 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2432 FFSERVERLDFLAGS=""
2433 LIBSUF="_s.a"
2434 SLIBPREF=""
2435 SLIBSUF=".dll"
2436 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2437 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2438 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2439 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2440 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2441 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2442 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2443 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2444 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2445 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2446 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2447 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2448 enable dos_paths
2449 ;;
2450 gnu/kfreebsd)
2451 ;;
2452 gnu)
2453 ;;
2454 qnx)
2455 add_cppflags -D_QNX_SOURCE
2456 network_extralibs="-lsocket"
2457 ;;
2458 none)
2459 ;;
2460 *)
2461 die "Unknown OS '$target_os'."
2462 ;;
2463 esac
2464
2465 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2466
2467 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2468
2469 set_default $PATHS_LIST
2470
2471 # we need to build at least one lib type
2472 if ! enabled_any static shared; then
2473 cat <<EOF
2474 At least one library type must be built.
2475 Specify --enable-static to build the static libraries or --enable-shared to
2476 build the shared libraries as well. To only build the shared libraries specify
2477 --disable-static in addition to --enable-shared.
2478 EOF
2479 exit 1;
2480 fi
2481
2482 disabled static && LIBNAME=""
2483
2484 die_license_disabled() {
2485 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2486 }
2487
2488 die_license_disabled gpl libx264
2489 die_license_disabled gpl libxavs
2490 die_license_disabled gpl libxvid
2491 die_license_disabled gpl postproc
2492 die_license_disabled gpl x11grab
2493
2494 die_license_disabled nonfree libfaac
2495
2496 die_license_disabled version3 libopencore_amrnb
2497 die_license_disabled version3 libopencore_amrwb
2498
2499 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2500
2501 disabled optimizations || check_cflags -fomit-frame-pointer
2502
2503 enable_pic() {
2504 enable pic
2505 add_cppflags -DPIC
2506 add_cflags -fPIC
2507 add_asflags -fPIC
2508 }
2509
2510 enabled pic && enable_pic
2511
2512 check_cc <<EOF || die "Symbol mangling check failed."
2513 int ff_extern;
2514 EOF
2515 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2516 extern_prefix=${sym%%ff_extern*}
2517
2518 check_cc <<EOF && enable inline_asm
2519 void foo(void) { __asm__ volatile ("" ::); }
2520 EOF
2521
2522 _restrict=
2523 for restrict_keyword in restrict __restrict__ __restrict; do
2524 check_cc <<EOF && _restrict=$restrict_keyword && break
2525 void foo(char * $restrict_keyword p);
2526 EOF
2527 done
2528
2529 check_cc <<EOF && enable attribute_packed
2530 struct { int x; } __attribute__((packed)) x;
2531 EOF
2532
2533 check_cc <<EOF && enable attribute_may_alias
2534 union { int x; } __attribute__((may_alias)) x;
2535 EOF
2536
2537 check_cc <<EOF || die "endian test failed"
2538 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2539 EOF
2540 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2541
2542 if enabled alpha; then
2543
2544 check_cflags -mieee
2545
2546 elif enabled arm; then
2547
2548 check_cflags -marm
2549 nogas=die
2550
2551 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2552 enable vfp_args
2553 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2554 case "${cross_prefix:-$cc}" in
2555 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2556 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2557 __asm__ (".eabi_attribute 28, 1");
2558 int main(void) { return 0; }
2559 EOF
2560 esac
2561 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2562 fi
2563
2564 # We have to check if pld is a nop and disable it.
2565 check_asm pld '"pld [r0]"'
2566
2567 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2568 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2569 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2570 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2571 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2572 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2573
2574 enabled_all armv6t2 shared !pic && enable_pic
2575
2576 elif enabled mips; then
2577
2578 check_asm loongson '"dmult.g $1, $2, $3"'
2579 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2580
2581 elif enabled ppc; then
2582
2583 enable local_aligned_8 local_aligned_16
2584
2585 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2586 check_asm ibm_asm '"add 0, 0, 0"'
2587 check_asm ppc4xx '"maclhw r10, r11, r12"'
2588 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2589
2590 # AltiVec flags: The FSF version of GCC differs from the Apple version
2591 if enabled altivec; then
2592 nogas=warn
2593 check_cflags -maltivec -mabi=altivec &&
2594 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2595 check_cflags -faltivec
2596
2597 # check if our compiler supports Motorola AltiVec C API
2598 check_cc <<EOF || disable altivec
2599 $inc_altivec_h
2600 int main(void) {
2601 vector signed int v1, v2, v3;
2602 v1 = vec_add(v2,v3);
2603 return 0;
2604 }
2605 EOF
2606
2607 # check if our compiler supports braces for vector declarations
2608 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2609 $inc_altivec_h
2610 int main (void) { (vector int) {1}; return 0; }
2611 EOF
2612 fi
2613
2614 elif enabled sparc; then
2615
2616 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2617 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2618
2619 elif enabled x86; then
2620
2621 enable local_aligned_8 local_aligned_16
2622
2623 # check whether EBP is available on x86
2624 # As 'i' is stored on the stack, this program will crash
2625 # if the base pointer is used to access it because the
2626 # base pointer is cleared in the inline assembly code.
2627 check_exec_crash <<EOF && enable ebp_available
2628 volatile int i=0;
2629 __asm__ volatile (
2630 "xorl %%ebp, %%ebp"
2631 ::: "%ebp");
2632 return i;
2633 EOF
2634
2635 # check whether EBX is available on x86
2636 check_asm ebx_available '""::"b"(0)' &&
2637 check_asm ebx_available '"":::"%ebx"'
2638
2639 # check whether xmm clobbers are supported
2640 check_asm xmm_clobbers '"":::"%xmm0"'
2641
2642 # check whether more than 10 operands are supported
2643 check_cc <<EOF && enable ten_operands
2644 int main(void) {
2645 int x=0;
2646 __asm__ volatile(
2647 ""
2648 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2649 );
2650 return 0;
2651 }
2652 EOF
2653
2654 # check whether binutils is new enough to compile SSSE3/MMX2
2655 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2656 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2657
2658 check_asm bswap '"bswap %%eax" ::: "%eax"'
2659
2660 if ! disabled_any asm mmx yasm; then
2661 if check_cmd $yasmexe --version; then
2662 enabled x86_64 && yasm_extra="-m amd64"
2663 yasm_debug="-g dwarf2"
2664 elif check_cmd nasm -v; then
2665 yasmexe=nasm
2666 yasm_debug="-g -F dwarf"
2667 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2668 fi
2669
2670 YASMFLAGS="-f $objformat $yasm_extra"
2671 enabled pic && append YASMFLAGS "-DPIC"
2672 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2673 case "$objformat" in
2674 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2675 esac
2676
2677 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2678 die "yasm not found, use --disable-yasm for a crippled build"
2679 fi
2680
2681 case "$cpu" in
2682 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2683 disable fast_clz
2684 ;;
2685 esac
2686
2687 fi
2688
2689 if enabled asm; then
2690 as=${gas:=$as}
2691 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2692 $nogas "GNU assembler not found, install gas-preprocessor"
2693 fi
2694
2695 if check_func dlopen; then
2696 ldl=
2697 elif check_func dlopen -ldl; then
2698 ldl=-ldl
2699 fi
2700
2701 if enabled network; then
2702 check_type "sys/types.h sys/socket.h" socklen_t
2703 check_type netdb.h "struct addrinfo"
2704 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2705 check_type netinet/in.h "struct sockaddr_in6"
2706 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2707 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2708 # Prefer arpa/inet.h over winsock2
2709 if check_header arpa/inet.h ; then
2710 check_func closesocket
2711 elif check_header winsock2.h ; then
2712 check_func_headers winsock2.h closesocket -lws2 && \
2713 network_extralibs="-lws2" || \
2714 { check_func_headers winsock2.h closesocket -lws2_32 && \
2715 network_extralibs="-lws2_32"; }
2716 check_type ws2tcpip.h socklen_t
2717 check_type ws2tcpip.h "struct addrinfo"
2718 check_type ws2tcpip.h "struct ipv6_mreq"
2719 check_type ws2tcpip.h "struct sockaddr_in6"
2720 check_type ws2tcpip.h "struct sockaddr_storage"
2721 check_struct winsock2.h "struct sockaddr" sa_len
2722 else
2723 disable network
2724 fi
2725 fi
2726
2727 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2728 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2729
2730 check_func fcntl
2731 check_func fork
2732 check_func getaddrinfo $network_extralibs
2733 check_func gethrtime
2734 check_func getrusage
2735 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2736 check_func inet_aton $network_extralibs
2737 check_func isatty
2738 check_func ${malloc_prefix}memalign && enable memalign
2739 check_func mkstemp
2740 check_func mmap
2741 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2742 check_func setrlimit
2743 check_func strerror_r
2744 check_func strtok_r
2745 check_func_headers io.h setmode
2746 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2747 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2748 check_func_headers windows.h GetProcessTimes
2749 check_func_headers windows.h MapViewOfFile
2750 check_func_headers windows.h VirtualAlloc
2751
2752 check_header conio.h
2753 check_header dlfcn.h
2754 check_header dxva2api.h
2755 check_header malloc.h
2756 check_header poll.h
2757 check_header sys/mman.h
2758 check_header sys/resource.h
2759 check_header sys/select.h
2760 check_header termios.h
2761 check_header vdpau/vdpau.h
2762 check_header vdpau/vdpau_x11.h
2763 check_header X11/extensions/XvMClib.h
2764
2765 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2766
2767 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2768 enabled_any $need_memalign ; then
2769 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2770 fi
2771
2772 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2773 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2774
2775 # check for some common methods of building with pthread support
2776 # do this before the optional library checks as some of them require pthreads
2777 if ! disabled pthreads && ! enabled w32threads; then
2778 enable pthreads
2779 if check_func pthread_create; then
2780 :
2781 elif check_func pthread_create -pthread; then
2782 add_cflags -pthread
2783 add_extralibs -pthread
2784 elif check_func pthread_create -pthreads; then
2785 add_cflags -pthreads
2786 add_extralibs -pthreads
2787 elif check_func pthread_create -lpthreadGC2; then
2788 add_extralibs -lpthreadGC2
2789 elif ! check_lib pthread.h pthread_create -lpthread; then
2790 disable pthreads
2791 fi
2792 fi
2793
2794 for thread in $THREADS_LIST; do
2795 if enabled $thread; then
2796 test -n "$thread_type" &&
2797 die "ERROR: Only one thread type must be selected." ||
2798 thread_type="$thread"
2799 fi
2800 done
2801
2802 check_lib math.h sin -lm
2803 disabled vaapi || check_lib va/va.h vaInitialize -lva
2804
2805 check_mathfunc exp2
2806 check_mathfunc exp2f
2807 check_mathfunc llrint
2808 check_mathfunc llrintf
2809 check_mathfunc log2
2810 check_mathfunc log2f
2811 check_mathfunc lrint
2812 check_mathfunc lrintf
2813 check_mathfunc round
2814 check_mathfunc roundf
2815 check_mathfunc truncf
2816
2817 # these are off by default, so fail if requested and not available
2818 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2819 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2820 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2821 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2822 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2823 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2824 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2825 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2826 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2827 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2828 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2829 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2830 die "ERROR: libopencv not found"; }
2831 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2832 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2833 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2834 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2835 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2836 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2837 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2838 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2839 enabled libvpx && {
2840 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2841 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2842 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2843 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2844 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2845 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2846 die "ERROR: libx264 version must be >= 0.99."; }
2847 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2848 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2849 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2850
2851 # libdc1394 check
2852 if enabled libdc1394; then
2853 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2854 enable libdc1394_2; } ||
2855 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2856 enable libdc1394_1; } ||
2857 die "ERROR: No version of libdc1394 found "
2858 fi
2859
2860 SDL_CONFIG="${cross_prefix}sdl-config"
2861 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2862 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2863 sdl_libs=$("${SDL_CONFIG}" --libs)
2864 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2865 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2866 enable sdl &&
2867 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2868 fi
2869
2870 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2871
2872 check_header linux/videodev.h
2873 check_header linux/videodev2.h
2874 check_header sys/videoio.h
2875
2876 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2877 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2878 # w32api 3.12 had it defined wrong
2879 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2880
2881 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2882 { check_header dev/bktr/ioctl_meteor.h &&
2883 check_header dev/bktr/ioctl_bt848.h; } ||
2884 { check_header machine/ioctl_meteor.h &&
2885 check_header machine/ioctl_bt848.h; } ||
2886 { check_header dev/video/meteor/ioctl_meteor.h &&
2887 check_header dev/video/bktr/ioctl_bt848.h; } ||
2888 check_header dev/ic/bt8xx.h
2889
2890 check_header sys/soundcard.h
2891 check_header soundcard.h
2892
2893 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2894
2895 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2896
2897 enabled x11grab &&
2898 check_header X11/Xlib.h &&
2899 check_header X11/extensions/XShm.h &&
2900 check_header X11/extensions/Xfixes.h &&
2901 check_func XOpenDisplay -lX11 &&
2902 check_func XShmCreateImage -lX11 -lXext &&
2903 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2904
2905 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2906 check_cpp_condition \
2907 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2908 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2909 disable vdpau; }
2910 fi
2911
2912 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2913
2914 # add some useful compiler flags if supported
2915 check_cflags -Wdeclaration-after-statement
2916 check_cflags -Wall
2917 check_cflags -Wno-parentheses
2918 check_cflags -Wno-switch
2919 check_cflags -Wdisabled-optimization
2920 check_cflags -Wpointer-arith
2921 check_cflags -Wredundant-decls
2922 check_cflags -Wno-pointer-sign
2923 check_cflags -Wcast-qual
2924 check_cflags -Wwrite-strings
2925 check_cflags -Wtype-limits
2926 check_cflags -Wundef
2927 check_cflags -Wmissing-prototypes
2928 enabled extra_warnings && check_cflags -Winline
2929
2930 # add some linker flags
2931 check_ldflags -Wl,--warn-common
2932 check_ldflags -Wl,--as-needed
2933 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'
2934 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2935
2936 echo "X{};" > $TMPV
2937 if test_ldflags -Wl,--version-script,$TMPV; then
2938 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2939 check_cc <<EOF && enable symver_asm_label
2940 void ff_foo(void) __asm__ ("av_foo@VERSION");
2941 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2942 EOF
2943 check_cc <<EOF && enable symver_gnu_asm
2944 __asm__(".symver ff_foo,av_foo@VERSION");
2945 void ff_foo(void) {}
2946 EOF
2947 fi
2948
2949 if enabled small; then
2950 add_cflags $size_cflags
2951 optimizations="small"
2952 elif enabled optimizations; then
2953 add_cflags $speed_cflags
2954 else
2955 add_cflags $noopt_cflags
2956 fi
2957 check_cflags -fno-math-errno
2958 check_cflags -fno-signed-zeros
2959
2960 if enabled icc; then
2961 # Just warnings, no remarks
2962 check_cflags -w1
2963 # -wd: Disable following warnings
2964 # 144, 167, 556: -Wno-pointer-sign
2965 # 10006: ignoring unknown option -fno-signed-zeros
2966 # 10148: ignoring unknown option -Wno-parentheses
2967 # 10156: ignoring option '-W'; no argument required
2968 check_cflags -wd144,167,556,10006,10148,10156
2969 # 11030: Warning unknown option --as-needed
2970 # 10156: ignoring option '-export'; no argument required
2971 check_ldflags -wd10156,11030
2972 # Allow to compile with optimizations
2973 check_ldflags -march=$cpu
2974 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2975 enable ebp_available
2976 if enabled x86_32; then
2977 test ${icc_version%%.*} -ge 11 && \
2978 check_cflags -falign-stack=maintain-16-byte || \
2979 disable aligned_stack
2980 fi
2981 elif enabled ccc; then
2982 # disable some annoying warnings
2983 add_cflags -msg_disable cvtu32to64
2984 add_cflags -msg_disable embedcomment
2985 add_cflags -msg_disable needconstext
2986 add_cflags -msg_disable nomainieee
2987 add_cflags -msg_disable ptrmismatch1
2988 add_cflags -msg_disable unreachcode
2989 elif enabled gcc; then
2990 check_cflags -fno-tree-vectorize
2991 check_cflags -Werror=implicit-function-declaration
2992 check_cflags -Werror=missing-prototypes
2993 elif enabled llvm_gcc; then
2994 check_cflags -mllvm -stack-alignment=16
2995 elif enabled clang; then
2996 check_cflags -mllvm -stack-alignment=16
2997 check_cflags -Qunused-arguments
2998 elif enabled armcc; then
2999 # 2523: use of inline assembler is deprecated
3000 add_cflags -W${armcc_opt},--diag_suppress=2523
3001 add_cflags -W${armcc_opt},--diag_suppress=1207
3002 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3003 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3004 elif enabled tms470; then
3005 add_cflags -pds=824 -pds=837
3006 elif enabled pathscale; then
3007 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3008 fi
3009
3010 enabled_any $THREADS_LIST && enable threads
3011
3012 check_deps $CONFIG_LIST \
3013 $CONFIG_EXTRA \
3014 $HAVE_LIST \
3015 $DECODER_LIST \
3016 $ENCODER_LIST \
3017 $HWACCEL_LIST \
3018 $PARSER_LIST \
3019 $BSF_LIST \
3020 $DEMUXER_LIST \
3021 $MUXER_LIST \
3022 $FILTER_LIST \
3023 $INDEV_LIST \
3024 $OUTDEV_LIST \
3025 $PROTOCOL_LIST \
3026 $ACODEC_TESTS \
3027 $VCODEC_TESTS \
3028 $LAVF_TESTS \
3029 $LAVFI_TESTS \
3030 $SEEK_TESTS \
3031
3032 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3033
3034 echo "install prefix $prefix"
3035 echo "source path $source_path"
3036 echo "C compiler $cc"
3037 echo "ARCH $arch ($cpu)"
3038 if test "$build_suffix" != ""; then
3039 echo "build suffix $build_suffix"
3040 fi
3041 if test "$extra_version" != ""; then
3042 echo "version string suffix $extra_version"
3043 fi
3044 echo "big-endian ${bigendian-no}"
3045 echo "runtime cpu detection ${runtime_cpudetect-no}"
3046 if enabled x86; then
3047 echo "yasm ${yasm-no}"
3048 echo "MMX enabled ${mmx-no}"
3049 echo "MMX2 enabled ${mmx2-no}"
3050 echo "3DNow! enabled ${amd3dnow-no}"
3051 echo "3DNow! extended enabled ${amd3dnowext-no}"
3052 echo "SSE enabled ${sse-no}"
3053 echo "SSSE3 enabled ${ssse3-no}"
3054 echo "CMOV enabled ${cmov-no}"
3055 echo "CMOV is fast ${fast_cmov-no}"
3056 echo "EBX available ${ebx_available-no}"
3057 echo "EBP available ${ebp_available-no}"
3058 echo "10 operands supported ${ten_operands-no}"
3059 fi
3060 if enabled arm; then
3061 echo "ARMv5TE enabled ${armv5te-no}"
3062 echo "ARMv6 enabled ${armv6-no}"
3063 echo "ARMv6T2 enabled ${armv6t2-no}"
3064 echo "ARM VFP enabled ${armvfp-no}"
3065 echo "IWMMXT enabled ${iwmmxt-no}"
3066 echo "NEON enabled ${neon-no}"
3067 fi
3068 if enabled mips; then
3069 echo "MMI enabled ${mmi-no}"
3070 fi
3071 if enabled ppc; then
3072 echo "AltiVec enabled ${altivec-no}"
3073 echo "PPC 4xx optimizations ${ppc4xx-no}"
3074 echo "dcbzl available ${dcbzl-no}"
3075 fi
3076 if enabled sparc; then
3077 echo "VIS enabled ${vis-no}"
3078 fi
3079 echo "debug symbols ${debug-no}"
3080 echo "strip symbols ${stripping-no}"
3081 echo "optimizations ${optimizations-no}"
3082 echo "static ${static-no}"
3083 echo "shared ${shared-no}"
3084 echo "postprocessing support ${postproc-no}"
3085 echo "new filter support ${avfilter-no}"
3086 echo "network support ${network-no}"
3087 echo "threading support ${thread_type-no}"
3088 echo "SDL support ${sdl-no}"
3089 echo "Sun medialib support ${mlib-no}"
3090 echo "AVISynth enabled ${avisynth-no}"
3091 echo "frei0r enabled ${frei0r-no}"
3092 echo "libdc1394 support ${libdc1394-no}"
3093 echo "libdirac enabled ${libdirac-no}"
3094 echo "libfaac enabled ${libfaac-no}"
3095 echo "libgsm enabled ${libgsm-no}"
3096 echo "libmp3lame enabled ${libmp3lame-no}"
3097 echo "libnut enabled ${libnut-no}"
3098 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3099 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3100 echo "libopencv support ${libopencv-no}"
3101 echo "libopenjpeg enabled ${libopenjpeg-no}"
3102 echo "librtmp enabled ${librtmp-no}"
3103 echo "libschroedinger enabled ${libschroedinger-no}"
3104 echo "libspeex enabled ${libspeex-no}"
3105 echo "libtheora enabled ${libtheora-no}"
3106 echo "libvorbis enabled ${libvorbis-no}"
3107 echo "libvpx enabled ${libvpx-no}"
3108 echo "libx264 enabled ${libx264-no}"
3109 echo "libxavs enabled ${libxavs-no}"
3110 echo "libxvid enabled ${libxvid-no}"
3111 echo "zlib enabled ${zlib-no}"
3112 echo "bzlib enabled ${bzlib-no}"
3113 echo
3114
3115 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3116 echo "Enabled ${type}s:"
3117 eval list=\$$(toupper $type)_LIST
3118 print_enabled '_*' $list | sort | pr -3 -t
3119 echo
3120 done
3121
3122 license="LGPL version 2.1 or later"
3123 if enabled nonfree; then
3124 license="nonfree and unredistributable"
3125 elif enabled gplv3; then
3126 license="GPL version 3 or later"
3127 elif enabled lgplv3; then
3128 license="LGPL version 3 or later"
3129 elif enabled gpl; then
3130 license="GPL version 2 or later"
3131 fi
3132
3133 echo "License: $license"
3134
3135 echo "Creating config.mak and config.h..."
3136
3137 # build tree in object directory if source path is different from current one
3138 if enabled source_path_used; then
3139 DIRS="
3140 doc
3141 libavcodec
3142 libavcodec/$arch
3143 libavdevice
3144 libavfilter
3145 libavfilter/$arch
3146 libavformat
3147 libavutil
3148 libavutil/$arch
3149 libpostproc
3150 libswscale
3151 libswscale/$arch
3152 tests
3153 tools
3154 "
3155 FILES="
3156 Makefile
3157 common.mak
3158 subdir.mak
3159 doc/texi2pod.pl
3160 libavcodec/Makefile
3161 libavcodec/${arch}/Makefile
3162 libavdevice/Makefile
3163 libavfilter/Makefile
3164 libavfilter/${arch}/Makefile
3165 libavformat/Makefile
3166 libavutil/Makefile
3167 libpostproc/Makefile
3168 libswscale/Makefile
3169 "
3170 map 'mkdir -p $v' $DIRS;
3171 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3172 fi
3173
3174 enabled stripping || strip="echo skipping strip"
3175
3176 config_files="$TMPH config.mak"
3177
3178 cat > config.mak <<EOF
3179 # Automatically generated by configure - do not modify!
3180 ifndef FFMPEG_CONFIG_MAK
3181 FFMPEG_CONFIG_MAK=1
3182 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3183 prefix=$prefix
3184 LIBDIR=\$(DESTDIR)$libdir
3185 SHLIBDIR=\$(DESTDIR)$shlibdir
3186 INCDIR=\$(DESTDIR)$incdir
3187 BINDIR=\$(DESTDIR)$bindir
3188 DATADIR=\$(DESTDIR)$datadir
3189 MANDIR=\$(DESTDIR)$mandir
3190 SRC_PATH="$source_path"
3191 SRC_PATH_BARE=$source_path
3192 BUILD_ROOT="$PWD"
3193 CC_IDENT=$cc_ident
3194 ARCH=$arch
3195 CC=$cc
3196 AS=$as
3197 LD=$ld
3198 DEPCC=$dep_cc
3199 YASM=$yasmexe
3200 YASMDEP=$yasmexe
3201 AR=$ar
3202 RANLIB=$ranlib
3203 CP=cp -p
3204 LN_S=$ln_s
3205 STRIP=$strip
3206 CPPFLAGS=$CPPFLAGS
3207 CFLAGS=$CFLAGS
3208 ASFLAGS=$ASFLAGS
3209 CC_O=$CC_O
3210 LDFLAGS=$LDFLAGS
3211 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3212 SHFLAGS=$SHFLAGS
3213 YASMFLAGS=$YASMFLAGS
3214 BUILDSUF=$build_suffix
3215 FULLNAME=$FULLNAME
3216 LIBPREF=$LIBPREF
3217 LIBSUF=$LIBSUF
3218 LIBNAME=$LIBNAME
3219 SLIBPREF=$SLIBPREF
3220 SLIBSUF=$SLIBSUF
3221 EXESUF=$EXESUF
3222 EXTRA_VERSION=$extra_version
3223 DEPFLAGS=$DEPFLAGS
3224 CCDEP=$CCDEP
3225 ASDEP=$ASDEP
3226 CC_DEPFLAGS=$CC_DEPFLAGS
3227 AS_DEPFLAGS=$AS_DEPFLAGS
3228 HOSTCC=$host_cc
3229 HOSTCFLAGS=$host_cflags
3230 HOSTEXESUF=$HOSTEXESUF
3231 HOSTLDFLAGS=$host_ldflags
3232 HOSTLIBS=$host_libs
3233 TARGET_EXEC=$target_exec
3234 TARGET_PATH=$target_path
3235 SDL_LIBS=$sdl_libs
3236 SDL_CFLAGS=$sdl_cflags
3237 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3238 EXTRALIBS=$extralibs
3239 INSTALL=install
3240 LIBTARGET=${LIBTARGET}
3241 SLIBNAME=${SLIBNAME}
3242 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3243 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3244 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3245 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3246 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3247 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3248 SAMPLES=$samples
3249 EOF
3250
3251 get_version(){
3252 name=$1
3253 file=$source_path/$2
3254 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3255 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3256 lcname=$(tolower $name)
3257 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3258 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3259 }
3260
3261 get_version LIBSWSCALE libswscale/swscale.h
3262 get_version LIBPOSTPROC libpostproc/postprocess.h
3263 get_version LIBAVCODEC libavcodec/avcodec.h
3264 get_version LIBAVDEVICE libavdevice/avdevice.h
3265 get_version LIBAVFORMAT libavformat/version.h
3266 get_version LIBAVUTIL libavutil/avutil.h
3267 get_version LIBAVFILTER libavfilter/avfilter.h
3268
3269 cat > $TMPH <<EOF
3270 /* Automatically generated by configure - do not modify! */
3271 #ifndef FFMPEG_CONFIG_H
3272 #define FFMPEG_CONFIG_H
3273 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3274 #define FFMPEG_LICENSE "$(c_escape $license)"
3275 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3276 #define CC_TYPE "$cc_type"
3277 #define CC_VERSION $cc_version
3278 #define restrict $_restrict
3279 #define EXTERN_PREFIX "${extern_prefix}"
3280 #define EXTERN_ASM ${extern_prefix}
3281 #define SLIBSUF "$SLIBSUF"
3282 EOF
3283
3284 test -n "$malloc_prefix" &&
3285 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3286
3287 if enabled small || disabled optimizations; then
3288 echo "#undef av_always_inline" >> $TMPH
3289 if enabled small; then
3290 echo "#define av_always_inline inline" >> $TMPH
3291 else
3292 echo "#define av_always_inline av_unused" >> $TMPH
3293 fi
3294 fi
3295
3296 if enabled yasm; then
3297 append config_files $TMPASM
3298 printf '' >$TMPASM
3299 fi
3300
3301 print_config ARCH_ "$config_files" $ARCH_LIST
3302 print_config HAVE_ "$config_files" $HAVE_LIST
3303 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3304 $CONFIG_EXTRA \
3305 $DECODER_LIST \
3306 $ENCODER_LIST \
3307 $HWACCEL_LIST \
3308 $PARSER_LIST \
3309 $BSF_LIST \
3310 $DEMUXER_LIST \
3311 $MUXER_LIST \
3312 $FILTER_LIST \
3313 $PROTOCOL_LIST \
3314 $INDEV_LIST \
3315 $OUTDEV_LIST \
3316
3317 cat >>config.mak <<EOF
3318 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3319 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3320 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3321 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3322 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3323 EOF
3324
3325 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3326 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3327
3328 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3329 cp_if_changed $TMPH config.h
3330 touch .config
3331
3332 enabled yasm && cp_if_changed $TMPASM config.asm
3333
3334 cat > $TMPH <<EOF
3335 /* Generated by ffconf */
3336 #ifndef AVUTIL_AVCONFIG_H
3337 #define AVUTIL_AVCONFIG_H
3338 EOF
3339
3340 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3341
3342 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3343
3344 cp_if_changed $TMPH libavutil/avconfig.h
3345
3346 test -n "$WARNINGS" && printf "\n$WARNINGS"
3347
3348 # build pkg-config files
3349
3350 pkgconfig_generate(){
3351 name=$1
3352 shortname=${name#lib}${build_suffix}
3353 comment=$2
3354 version=$3
3355 libs=$4
3356 requires=$5
3357 enabled ${name#lib} || return 0
3358 cat <<EOF > $name/$name.pc
3359 prefix=$prefix
3360 exec_prefix=\${prefix}
3361 libdir=$libdir
3362 includedir=$incdir
3363
3364 Name: $name
3365 Description: $comment
3366 Version: $version
3367 Requires: $(enabled shared || echo $requires)
3368 Requires.private: $(enabled shared && echo $requires)
3369 Conflicts:
3370 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3371 Libs.private: $(enabled shared && echo $libs)
3372 Cflags: -I\${includedir}
3373 EOF
3374 cat <<EOF > $name/$name-uninstalled.pc
3375 prefix=
3376 exec_prefix=
3377 libdir=\${pcfiledir}
3378 includedir=${source_path}
3379
3380 Name: $name
3381 Description: $comment
3382 Version: $version
3383 Requires: $requires
3384 Conflicts:
3385 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3386 Cflags: -I\${includedir}
3387 EOF
3388 }
3389
3390 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3391 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3392 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3393 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3394 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3395 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3396 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"