9a68b7359f3db36ba465cfc2668f4f993f555d86
[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-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-huffman disable Huffman code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
113 --disable-dxva2 disable DXVA2 code
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --disable-everything disable all components listed below
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162 External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-frei0r enable frei0r video filtering
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libopencv enable video filtering via libopencv [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-librtmp enable RTMP[E] support via librtmp [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libvpx enable VP8 support via libvpx [no]
185 --enable-libx264 enable H.264 encoding via x264 [no]
186 --enable-libxavs enable AVS encoding via xavs [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192 Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --ar=AR use archive tool AR [$ar_default]
203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --disable-asm disable all assembler optimizations
219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
236 --malloc-prefix=PFX prefix malloc and related names with PFX
237 --enable-sram allow use of on-chip SRAM
238 --disable-symver disable symbol versioning
239
240 Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
246 --samples=PATH location of test samples for FATE
247
248 NOTE: Object files are built at the place where configure is launched.
249 EOF
250 exit 0
251 }
252
253 quotes='""'
254
255 log(){
256 echo "$@" >> $logfile
257 }
258
259 log_file(){
260 log BEGIN $1
261 pr -n -t $1 >> $logfile
262 log END $1
263 }
264
265 echolog(){
266 log "$@"
267 echo "$@"
268 }
269
270 warn(){
271 log "WARNING: $*"
272 WARNINGS="${WARNINGS}WARNING: $*\n"
273 }
274
275 die(){
276 echolog "$@"
277 cat <<EOF
278
279 If you think configure made a mistake, make sure you are using the latest
280 version from Git. If the latest version fails, report the problem to the
281 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282 EOF
283 if disabled logging; then
284 cat <<EOF
285 Rerun configure with logging enabled (do not use --disable-logging), and
286 include the log this produces with your report.
287 EOF
288 else
289 cat <<EOF
290 Include the log file "$logfile" produced by configure as this will help
291 solving the problem.
292 EOF
293 fi
294 exit 1
295 }
296
297 # Avoid locale weirdness, besides we really just want to translate ASCII.
298 toupper(){
299 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300 }
301
302 tolower(){
303 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304 }
305
306 c_escape(){
307 echo "$*" | sed 's/["\\]/\\\0/g'
308 }
309
310 sh_quote(){
311 v=$(echo "$1" | sed "s/'/'\\\\''/g")
312 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313 echo "$v"
314 }
315
316 filter(){
317 pat=$1
318 shift
319 for v; do
320 eval "case $v in $pat) echo $v ;; esac"
321 done
322 }
323
324 map(){
325 m=$1
326 shift
327 for v; do eval $m; done
328 }
329
330 set_all(){
331 value=$1
332 shift
333 for var in $*; do
334 eval $var=$value
335 done
336 }
337
338 set_weak(){
339 value=$1
340 shift
341 for var; do
342 eval : \${$var:=$value}
343 done
344 }
345
346 pushvar(){
347 for var in $*; do
348 eval level=\${${var}_level:=0}
349 eval ${var}_${level}="\$$var"
350 eval ${var}_level=$(($level+1))
351 done
352 }
353
354 popvar(){
355 for var in $*; do
356 eval level=\${${var}_level:-0}
357 test $level = 0 && continue
358 eval level=$(($level-1))
359 eval $var="\${${var}_${level}}"
360 eval ${var}_level=$level
361 eval unset ${var}_${level}
362 done
363 }
364
365 enable(){
366 set_all yes $*
367 }
368
369 disable(){
370 set_all no $*
371 }
372
373 enable_weak(){
374 set_weak yes $*
375 }
376
377 disable_weak(){
378 set_weak no $*
379 }
380
381 enable_safe(){
382 for var; do
383 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
385 }
386
387 disable_safe(){
388 for var; do
389 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
390 done
391 }
392
393 do_enable_deep(){
394 for var; do
395 enabled $var && continue
396 eval sel="\$${var}_select"
397 eval sgs="\$${var}_suggest"
398 pushvar var sgs
399 enable_deep $sel
400 popvar sgs
401 enable_deep_weak $sgs
402 popvar var
403 done
404 }
405
406 enable_deep(){
407 do_enable_deep $*
408 enable $*
409 }
410
411 enable_deep_weak(){
412 do_enable_deep $*
413 enable_weak $*
414 }
415
416 enabled(){
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xyes"
419 }
420
421 disabled(){
422 test "${1#!}" = "$1" && op== || op=!=
423 eval test "x\$${1#!}" $op "xno"
424 }
425
426 enabled_all(){
427 for opt; do
428 enabled $opt || return 1
429 done
430 }
431
432 disabled_all(){
433 for opt; do
434 disabled $opt || return 1
435 done
436 }
437
438 enabled_any(){
439 for opt; do
440 enabled $opt && return 0
441 done
442 }
443
444 disabled_any(){
445 for opt; do
446 disabled $opt && return 0
447 done
448 return 1
449 }
450
451 set_default(){
452 for opt; do
453 eval : \${$opt:=\$${opt}_default}
454 done
455 }
456
457 is_in(){
458 value=$1
459 shift
460 for var in $*; do
461 [ $var = $value ] && return 0
462 done
463 return 1
464 }
465
466 check_deps(){
467 for cfg; do
468 cfg="${cfg#!}"
469 enabled ${cfg}_checking && die "Circular dependency for $cfg."
470 disabled ${cfg}_checking && continue
471 enable ${cfg}_checking
472
473 eval dep_all="\$${cfg}_deps"
474 eval dep_any="\$${cfg}_deps_any"
475 eval dep_sel="\$${cfg}_select"
476 eval dep_sgs="\$${cfg}_suggest"
477 eval dep_ifa="\$${cfg}_if"
478 eval dep_ifn="\$${cfg}_if_any"
479
480 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
482 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
483
484 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
485 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
486 enabled_all $dep_all || disable $cfg
487 enabled_any $dep_any || disable $cfg
488 disabled_any $dep_sel && disable $cfg
489
490 if enabled $cfg; then
491 eval dep_extralibs="\$${cfg}_extralibs"
492 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
493 enable_deep $dep_sel
494 enable_deep_weak $dep_sgs
495 fi
496
497 disable ${cfg}_checking
498 done
499 }
500
501 print_config_h(){
502 enabled $1 && v=1 || v=0
503 echo "#define $2 $v"
504 }
505
506 print_config_mak(){
507 enabled $1 && v= || v=!
508 echo "$v$2=yes"
509 }
510
511 print_config_asm(){
512 enabled $1 && echo "%define $2"
513 }
514
515 print_config(){
516 pfx=$1
517 files=$2
518 shift 2
519 for cfg; do
520 ucname="$(toupper $cfg)"
521 for f in $files; do
522 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
523 done
524 done
525 }
526
527 print_enabled(){
528 test "$1" = -n && end=" " && shift || end="\n"
529 suf=$1
530 shift
531 for v; do
532 enabled $v && printf "%s$end" ${v%$suf};
533 done
534 }
535
536 append(){
537 var=$1
538 shift
539 eval "$var=\"\$$var $*\""
540 }
541
542 prepend(){
543 var=$1
544 shift
545 eval "$var=\"$* \$$var\""
546 }
547
548 add_cppflags(){
549 append CPPFLAGS $($filter_cppflags "$@")
550 }
551
552 add_cflags(){
553 append CFLAGS $($filter_cflags "$@")
554 }
555
556 add_asflags(){
557 append ASFLAGS $($filter_asflags "$@")
558 }
559
560 add_ldflags(){
561 append LDFLAGS "$@"
562 }
563
564 add_extralibs(){
565 prepend extralibs "$@"
566 }
567
568 check_cmd(){
569 log "$@"
570 "$@" >> $logfile 2>&1
571 }
572
573 check_cc(){
574 log check_cc "$@"
575 cat > $TMPC
576 log_file $TMPC
577 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
578 }
579
580 check_cpp(){
581 log check_cpp "$@"
582 cat > $TMPC
583 log_file $TMPC
584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
585 }
586
587 check_as(){
588 log check_as "$@"
589 cat > $TMPC
590 log_file $TMPC
591 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
592 }
593
594 check_asm(){
595 log check_asm "$@"
596 name="$1"
597 code="$2"
598 shift 2
599 disable $name
600 check_as "$@" <<EOF && enable $name
601 void foo(void){ __asm__ volatile($code); }
602 EOF
603 }
604
605 check_yasm(){
606 log check_yasm "$@"
607 echo "$1" > $TMPS
608 log_file $TMPS
609 shift 1
610 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
611 }
612
613 check_ld(){
614 log check_ld "$@"
615 flags=''
616 libs=''
617 for f; do
618 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
619 done
620 check_cc $($filter_cflags $flags) || return
621 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
622 }
623
624 check_cppflags(){
625 log check_cppflags "$@"
626 set -- $($filter_cppflags "$@")
627 check_cc "$@" <<EOF && append CPPFLAGS "$@"
628 int x;
629 EOF
630 }
631
632 check_cflags(){
633 log check_cflags "$@"
634 set -- $($filter_cflags "$@")
635 check_cc "$@" <<EOF && append CFLAGS "$@"
636 int x;
637 EOF
638 }
639
640 test_ldflags(){
641 log test_ldflags "$@"
642 check_ld "$@" <<EOF
643 int main(void){ return 0; }
644 EOF
645 }
646
647 check_ldflags(){
648 log check_ldflags "$@"
649 test_ldflags "$@" && add_ldflags "$@"
650 }
651
652 check_header(){
653 log check_header "$@"
654 header=$1
655 shift
656 disable_safe $header
657 check_cpp "$@" <<EOF && enable_safe $header
658 #include <$header>
659 int x;
660 EOF
661 }
662
663 check_func(){
664 log check_func "$@"
665 func=$1
666 shift
667 disable $func
668 check_ld "$@" <<EOF && enable $func
669 extern int $func();
670 int main(void){ $func(); }
671 EOF
672 }
673
674 check_mathfunc(){
675 log check_mathfunc "$@"
676 func=$1
677 shift
678 disable $func
679 check_ld "$@" <<EOF && enable $func
680 #include <math.h>
681 float foo(float f) { return $func(f); }
682 int main(void){ return 0; }
683 EOF
684 }
685
686 check_func_headers(){
687 log check_func_headers "$@"
688 headers=$1
689 func=$2
690 shift 2
691 disable $func
692 incs=""
693 for hdr in $headers; do
694 incs="$incs
695 #include <$hdr>"
696 done
697 check_ld "$@" <<EOF && enable $func && enable_safe $headers
698 $incs
699 int main(int argc, char **argv){
700 return (long) $func;
701 }
702 EOF
703 }
704
705 check_cpp_condition(){
706 log check_cpp_condition "$@"
707 header=$1
708 condition=$2
709 shift 2
710 check_cpp $($filter_cppflags "$@") <<EOF
711 #include <$header>
712 #if !($condition)
713 #error "unsatisfied condition: $condition"
714 #endif
715 EOF
716 }
717
718 check_lib(){
719 log check_lib "$@"
720 header="$1"
721 func="$2"
722 shift 2
723 check_header $header && check_func $func "$@" && add_extralibs "$@"
724 }
725
726 check_lib2(){
727 log check_lib2 "$@"
728 headers="$1"
729 func="$2"
730 shift 2
731 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
732 }
733
734 check_exec(){
735 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
736 }
737
738 check_exec_crash(){
739 code=$(cat)
740
741 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
742 # are safe but may not be available everywhere. Thus we use
743 # raise(SIGTERM) instead. The check is run in a subshell so we
744 # can redirect the "Terminated" message from the shell. SIGBUS
745 # is not defined by standard C so it is used conditionally.
746
747 (check_exec "$@") >> $logfile 2>&1 <<EOF
748 #include <signal.h>
749 static void sighandler(int sig){
750 raise(SIGTERM);
751 }
752 int main(void){
753 signal(SIGILL, sighandler);
754 signal(SIGFPE, sighandler);
755 signal(SIGSEGV, sighandler);
756 #ifdef SIGBUS
757 signal(SIGBUS, sighandler);
758 #endif
759 { $code }
760 }
761 EOF
762 }
763
764 check_type(){
765 log check_type "$@"
766 headers=$1
767 type=$2
768 shift 2
769 disable_safe "$type"
770 incs=""
771 for hdr in $headers; do
772 incs="$incs
773 #include <$hdr>"
774 done
775 check_cc "$@" <<EOF && enable_safe "$type"
776 $incs
777 $type v;
778 EOF
779 }
780
781 check_struct(){
782 log check_type "$@"
783 headers=$1
784 struct=$2
785 member=$3
786 shift 3
787 disable_safe "${struct}_${member}"
788 incs=""
789 for hdr in $headers; do
790 incs="$incs
791 #include <$hdr>"
792 done
793 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
794 $incs
795 const void *p = &(($struct *)0)->$member;
796 EOF
797 }
798
799 require(){
800 name="$1"
801 header="$2"
802 func="$3"
803 shift 3
804 check_lib $header $func "$@" || die "ERROR: $name not found"
805 }
806
807 require2(){
808 name="$1"
809 headers="$2"
810 func="$3"
811 shift 3
812 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
813 }
814
815 check_host_cc(){
816 log check_host_cc "$@"
817 cat > $TMPC
818 log_file $TMPC
819 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820 }
821
822 check_host_cflags(){
823 log check_host_cflags "$@"
824 check_host_cc "$@" <<EOF && append host_cflags "$@"
825 int x;
826 EOF
827 }
828
829 apply(){
830 file=$1
831 shift
832 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833 }
834
835 cp_if_changed(){
836 cmp -s "$1" "$2" &&
837 echo "$2 is unchanged" ||
838 cp -f "$1" "$2"
839 }
840
841 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
842 # system-dependent things.
843
844 COMPONENT_LIST="
845 bsfs
846 decoders
847 demuxers
848 encoders
849 filters
850 hwaccels
851 indevs
852 muxers
853 outdevs
854 parsers
855 protocols
856 "
857
858 CONFIG_LIST="
859 $COMPONENT_LIST
860 aandct
861 avcodec
862 avcore
863 avdevice
864 avfilter
865 avformat
866 avisynth
867 bzlib
868 dct
869 doc
870 dwt
871 dxva2
872 fastdiv
873 ffmpeg
874 ffplay
875 ffprobe
876 ffserver
877 fft
878 frei0r
879 golomb
880 gpl
881 gray
882 h264dsp
883 h264pred
884 hardcoded_tables
885 huffman
886 libdc1394
887 libdirac
888 libfaac
889 libgsm
890 libmp3lame
891 libnut
892 libopencore_amrnb
893 libopencore_amrwb
894 libopencv
895 libopenjpeg
896 librtmp
897 libschroedinger
898 libspeex
899 libtheora
900 libvorbis
901 libvpx
902 libx264
903 libxavs
904 libxvid
905 lpc
906 lsp
907 mdct
908 memalign_hack
909 mlib
910 mpegaudio_hp
911 network
912 nonfree
913 pic
914 postproc
915 rdft
916 rtpdec
917 runtime_cpudetect
918 shared
919 small
920 sram
921 static
922 swscale
923 swscale_alpha
924 vaapi
925 vdpau
926 version3
927 x11grab
928 zlib
929 "
930
931 THREADS_LIST='
932 pthreads
933 w32threads
934 '
935
936 ARCH_LIST='
937 alpha
938 arm
939 avr32
940 avr32_ap
941 avr32_uc
942 bfin
943 ia64
944 m68k
945 mips
946 mips64
947 parisc
948 ppc
949 ppc64
950 s390
951 sh4
952 sparc
953 sparc64
954 tomi
955 x86
956 x86_32
957 x86_64
958 '
959
960 ARCH_EXT_LIST='
961 altivec
962 amd3dnow
963 amd3dnowext
964 armv5te
965 armv6
966 armv6t2
967 armvfp
968 iwmmxt
969 mmi
970 mmx
971 mmx2
972 neon
973 ppc4xx
974 sse
975 ssse3
976 vis
977 '
978
979 HAVE_LIST_PUB='
980 bigendian
981 fast_unaligned
982 '
983
984 HAVE_LIST="
985 $ARCH_EXT_LIST
986 $HAVE_LIST_PUB
987 $THREADS_LIST
988 aligned_stack
989 alsa_asoundlib_h
990 altivec_h
991 arpa_inet_h
992 attribute_may_alias
993 attribute_packed
994 bswap
995 closesocket
996 cmov
997 conio_h
998 dcbzl
999 dev_bktr_ioctl_bt848_h
1000 dev_bktr_ioctl_meteor_h
1001 dev_ic_bt8xx_h
1002 dev_video_meteor_ioctl_meteor_h
1003 dev_video_bktr_ioctl_bt848_h
1004 dlfcn_h
1005 dlopen
1006 dos_paths
1007 ebp_available
1008 ebx_available
1009 exp2
1010 exp2f
1011 fast_64bit
1012 fast_clz
1013 fast_cmov
1014 fcntl
1015 fork
1016 getaddrinfo
1017 gethrtime
1018 GetProcessMemoryInfo
1019 GetProcessTimes
1020 getrusage
1021 gnu_as
1022 struct_rusage_ru_maxrss
1023 ibm_asm
1024 inet_aton
1025 inline_asm
1026 isatty
1027 ldbrx
1028 libdc1394_1
1029 libdc1394_2
1030 llrint
1031 llrintf
1032 local_aligned_16
1033 local_aligned_8
1034 log2
1035 log2f
1036 loongson
1037 lrint
1038 lrintf
1039 lzo1x_999_compress
1040 machine_ioctl_bt848_h
1041 machine_ioctl_meteor_h
1042 malloc_h
1043 MapViewOfFile
1044 memalign
1045 mkstemp
1046 mmap
1047 pld
1048 posix_memalign
1049 round
1050 roundf
1051 sdl
1052 sdl_video_size
1053 setmode
1054 socklen_t
1055 soundcard_h
1056 poll_h
1057 setrlimit
1058 strerror_r
1059 strtok_r
1060 struct_addrinfo
1061 struct_ipv6_mreq
1062 struct_sockaddr_in6
1063 struct_sockaddr_sa_len
1064 struct_sockaddr_storage
1065 symver
1066 symver_gnu_asm
1067 symver_asm_label
1068 sys_mman_h
1069 sys_resource_h
1070 sys_select_h
1071 sys_soundcard_h
1072 sys_videoio_h
1073 ten_operands
1074 termios_h
1075 threads
1076 truncf
1077 vfp_args
1078 VirtualAlloc
1079 winsock2_h
1080 xform_asm
1081 xmm_clobbers
1082 yasm
1083 "
1084
1085 # options emitted with CONFIG_ prefix but not available on command line
1086 CONFIG_EXTRA="
1087 avutil
1088 gplv3
1089 lgplv3
1090 "
1091
1092 CMDLINE_SELECT="
1093 $ARCH_EXT_LIST
1094 $CONFIG_LIST
1095 $THREADS_LIST
1096 asm
1097 cross_compile
1098 debug
1099 extra_warnings
1100 logging
1101 optimizations
1102 stripping
1103 symver
1104 yasm
1105 "
1106
1107 PATHS_LIST='
1108 bindir
1109 datadir
1110 incdir
1111 libdir
1112 mandir
1113 prefix
1114 shlibdir
1115 '
1116
1117 CMDLINE_SET="
1118 $PATHS_LIST
1119 ar
1120 arch
1121 as
1122 build_suffix
1123 cc
1124 cpu
1125 cross_prefix
1126 dep_cc
1127 extra_version
1128 host_cc
1129 host_cflags
1130 host_ldflags
1131 host_libs
1132 host_os
1133 ld
1134 logfile
1135 malloc_prefix
1136 nm
1137 samples
1138 source_path
1139 strip
1140 sysinclude
1141 sysroot
1142 target_exec
1143 target_os
1144 target_path
1145 "
1146
1147 CMDLINE_APPEND="
1148 extra_cflags
1149 "
1150
1151 # code dependency declarations
1152
1153 # architecture extensions
1154
1155 armv5te_deps="arm"
1156 armv6_deps="arm"
1157 armv6t2_deps="arm"
1158 armvfp_deps="arm"
1159 iwmmxt_deps="arm"
1160 neon_deps="arm"
1161
1162 mmi_deps="mips"
1163
1164 altivec_deps="ppc"
1165 ppc4xx_deps="ppc"
1166
1167 vis_deps="sparc"
1168
1169 x86_64_suggest="cmov fast_cmov"
1170 amd3dnow_deps="mmx"
1171 amd3dnowext_deps="amd3dnow"
1172 mmx_deps="x86"
1173 mmx2_deps="mmx"
1174 sse_deps="mmx"
1175 ssse3_deps="sse"
1176
1177 aligned_stack_if_any="ppc x86"
1178 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1179 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1180 fast_unaligned_if_any="armv6 ppc x86"
1181
1182 need_memalign="altivec neon sse"
1183 inline_asm_deps="!tms470"
1184
1185 symver_if_any="symver_asm_label symver_gnu_asm"
1186
1187 # subsystems
1188 dct_select="rdft"
1189 mdct_select="fft"
1190 rdft_select="fft"
1191
1192 # decoders / encoders / hardware accelerators
1193 aac_decoder_select="mdct rdft"
1194 aac_encoder_select="mdct"
1195 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1196 ac3_decoder_select="mdct ac3_parser"
1197 ac3_encoder_select="mdct"
1198 alac_encoder_select="lpc"
1199 amrnb_decoder_select="lsp"
1200 amrwb_decoder_select="lsp"
1201 atrac1_decoder_select="mdct"
1202 atrac3_decoder_select="mdct"
1203 binkaudio_dct_decoder_select="mdct rdft dct"
1204 binkaudio_rdft_decoder_select="mdct rdft"
1205 cavs_decoder_select="golomb"
1206 cook_decoder_select="mdct"
1207 cscd_decoder_suggest="zlib"
1208 dca_decoder_select="mdct"
1209 dnxhd_encoder_select="aandct"
1210 dxa_decoder_select="zlib"
1211 eac3_decoder_select="ac3_decoder"
1212 eamad_decoder_select="aandct"
1213 eatgq_decoder_select="aandct"
1214 eatqi_decoder_select="aandct"
1215 ffv1_decoder_select="golomb"
1216 flac_decoder_select="golomb"
1217 flac_encoder_select="golomb lpc"
1218 flashsv_decoder_select="zlib"
1219 flashsv_encoder_select="zlib"
1220 flv_decoder_select="h263_decoder"
1221 flv_encoder_select="h263_encoder"
1222 fraps_decoder_select="huffman"
1223 h261_encoder_select="aandct"
1224 h263_decoder_select="h263_parser"
1225 h263_encoder_select="aandct"
1226 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1227 h263i_decoder_select="h263_decoder"
1228 h263p_encoder_select="h263_encoder"
1229 h264_decoder_select="golomb h264dsp h264pred"
1230 h264_dxva2_hwaccel_deps="dxva2api_h"
1231 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1232 h264_vaapi_hwaccel_select="vaapi"
1233 h264_vdpau_decoder_select="vdpau h264_decoder"
1234 imc_decoder_select="fft mdct"
1235 jpegls_decoder_select="golomb"
1236 jpegls_encoder_select="golomb"
1237 ljpeg_encoder_select="aandct"
1238 loco_decoder_select="golomb"
1239 mjpeg_encoder_select="aandct"
1240 mlp_decoder_select="mlp_parser"
1241 mp1float_decoder_select="dct"
1242 mp2float_decoder_select="dct"
1243 mp3adufloat_decoder_select="dct"
1244 mp3float_decoder_select="dct"
1245 mp3on4float_decoder_select="dct"
1246 mpeg1video_encoder_select="aandct"
1247 mpeg2video_encoder_select="aandct"
1248 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1249 mpeg4_encoder_select="h263_encoder"
1250 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1251 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1252 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1253 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1254 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1255 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1257 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1258 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1259 msmpeg4v1_decoder_select="h263_decoder"
1260 msmpeg4v1_encoder_select="h263_encoder"
1261 msmpeg4v2_decoder_select="h263_decoder"
1262 msmpeg4v2_encoder_select="h263_encoder"
1263 msmpeg4v3_decoder_select="h263_decoder"
1264 msmpeg4v3_encoder_select="h263_encoder"
1265 nellymoser_decoder_select="mdct"
1266 nellymoser_encoder_select="mdct"
1267 png_decoder_select="zlib"
1268 png_encoder_select="zlib"
1269 qcelp_decoder_select="lsp"
1270 qdm2_decoder_select="mdct rdft"
1271 ra_144_encoder_select="lpc"
1272 rv10_decoder_select="h263_decoder"
1273 rv10_encoder_select="h263_encoder"
1274 rv20_decoder_select="h263_decoder"
1275 rv20_encoder_select="h263_encoder"
1276 rv30_decoder_select="golomb h264pred"
1277 rv40_decoder_select="golomb h264pred"
1278 shorten_decoder_select="golomb"
1279 sipr_decoder_select="lsp"
1280 snow_decoder_select="dwt"
1281 snow_encoder_select="aandct dwt"
1282 sonic_decoder_select="golomb"
1283 sonic_encoder_select="golomb"
1284 sonic_ls_encoder_select="golomb"
1285 svq1_encoder_select="aandct"
1286 svq3_decoder_select="golomb h264dsp h264pred"
1287 svq3_decoder_suggest="zlib"
1288 theora_decoder_select="vp3_decoder"
1289 tiff_decoder_suggest="zlib"
1290 tiff_encoder_suggest="zlib"
1291 truehd_decoder_select="mlp_decoder"
1292 tscc_decoder_select="zlib"
1293 twinvq_decoder_select="mdct lsp"
1294 vc1_decoder_select="h263_decoder"
1295 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1296 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1297 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1298 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1299 vorbis_decoder_select="mdct"
1300 vorbis_encoder_select="mdct"
1301 vp6_decoder_select="huffman"
1302 vp6a_decoder_select="vp6_decoder"
1303 vp6f_decoder_select="vp6_decoder"
1304 vp8_decoder_select="h264pred"
1305 wmapro_decoder_select="mdct"
1306 wmav1_decoder_select="mdct"
1307 wmav1_encoder_select="mdct"
1308 wmav2_decoder_select="mdct"
1309 wmav2_encoder_select="mdct"
1310 wmavoice_decoder_select="lsp rdft dct mdct"
1311 wmv1_decoder_select="h263_decoder"
1312 wmv1_encoder_select="h263_encoder"
1313 wmv2_decoder_select="h263_decoder"
1314 wmv2_encoder_select="h263_encoder"
1315 wmv3_decoder_select="vc1_decoder"
1316 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319 zlib_decoder_select="zlib"
1320 zlib_encoder_select="zlib"
1321 zmbv_decoder_select="zlib"
1322 zmbv_encoder_select="zlib"
1323
1324 vaapi_deps="va_va_h"
1325 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326
1327 # parsers
1328 h264_parser_select="golomb h264dsp h264pred"
1329
1330 # external libraries
1331 libdirac_decoder_deps="libdirac !libschroedinger"
1332 libdirac_encoder_deps="libdirac"
1333 libfaac_encoder_deps="libfaac"
1334 libgsm_decoder_deps="libgsm"
1335 libgsm_encoder_deps="libgsm"
1336 libgsm_ms_decoder_deps="libgsm"
1337 libgsm_ms_encoder_deps="libgsm"
1338 libmp3lame_encoder_deps="libmp3lame"
1339 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1340 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1341 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1342 libopenjpeg_decoder_deps="libopenjpeg"
1343 libschroedinger_decoder_deps="libschroedinger"
1344 libschroedinger_encoder_deps="libschroedinger"
1345 libspeex_decoder_deps="libspeex"
1346 libtheora_encoder_deps="libtheora"
1347 libvorbis_encoder_deps="libvorbis"
1348 libvpx_decoder_deps="libvpx"
1349 libvpx_encoder_deps="libvpx"
1350 libx264_encoder_deps="libx264"
1351 libxavs_encoder_deps="libxavs"
1352 libxvid_encoder_deps="libxvid"
1353
1354 # demuxers / muxers
1355 ac3_demuxer_deps="ac3_parser"
1356 asf_stream_muxer_select="asf_muxer"
1357 avisynth_demuxer_deps="avisynth"
1358 dirac_demuxer_deps="dirac_parser"
1359 eac3_demuxer_select="ac3_parser"
1360 flac_demuxer_deps="flac_parser"
1361 ipod_muxer_select="mov_muxer"
1362 libnut_demuxer_deps="libnut"
1363 libnut_muxer_deps="libnut"
1364 matroska_audio_muxer_select="matroska_muxer"
1365 matroska_demuxer_suggest="zlib bzlib"
1366 mov_demuxer_suggest="zlib"
1367 mp3_demuxer_deps="mpegaudio_parser"
1368 mp4_muxer_select="mov_muxer"
1369 mpegtsraw_demuxer_select="mpegts_demuxer"
1370 mxf_d10_muxer_select="mxf_muxer"
1371 ogg_demuxer_select="golomb"
1372 psp_muxer_select="mov_muxer"
1373 rtp_demuxer_select="sdp_demuxer"
1374 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375 rtsp_demuxer_select="http_protocol rtpdec"
1376 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377 sap_demuxer_select="sdp_demuxer"
1378 sap_muxer_select="rtp_muxer rtp_protocol"
1379 sdp_demuxer_select="rtpdec"
1380 spdif_muxer_select="aac_parser"
1381 tg2_muxer_select="mov_muxer"
1382 tgp_muxer_select="mov_muxer"
1383 w64_demuxer_deps="wav_demuxer"
1384
1385 # indevs / outdevs
1386 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387 alsa_outdev_deps="alsa_asoundlib_h"
1388 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1389 dv1394_indev_deps="dv1394 dv_demuxer"
1390 jack_indev_deps="jack_jack_h"
1391 libdc1394_indev_deps="libdc1394"
1392 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1393 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1394 v4l_indev_deps="linux_videodev_h"
1395 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1396 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1397 vfwcap_indev_extralibs="-lavicap32"
1398 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1399 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1400
1401 # protocols
1402 gopher_protocol_deps="network"
1403 http_protocol_deps="network"
1404 http_protocol_select="tcp_protocol"
1405 mmsh_protocol_select="http_protocol"
1406 mmst_protocol_deps="network"
1407 rtmp_protocol_select="tcp_protocol"
1408 rtp_protocol_select="udp_protocol"
1409 tcp_protocol_deps="network"
1410 udp_protocol_deps="network"
1411
1412 # filters
1413 blackframe_filter_deps="gpl"
1414 cropdetect_filter_deps="gpl"
1415 frei0r_filter_deps="frei0r dlopen strtok_r"
1416 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1417 hqdn3d_filter_deps="gpl"
1418 scale_filter_deps="swscale"
1419 ocv_filter_deps="libopencv"
1420 yadif_filter_deps="gpl"
1421
1422 # libraries
1423 avdevice_deps="avcodec avformat"
1424 avformat_deps="avcodec"
1425
1426 # programs
1427 ffmpeg_deps="avcodec avformat swscale"
1428 ffmpeg_select="buffer_filter"
1429 ffplay_deps="avcodec avformat swscale sdl"
1430 ffplay_select="rdft"
1431 ffprobe_deps="avcodec avformat"
1432 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1433 ffserver_extralibs='$ldl'
1434
1435 doc_deps="texi2html"
1436
1437 # tests
1438
1439 test_deps(){
1440 suf1=$1
1441 suf2=$2
1442 shift 2
1443 for v; do
1444 dep=${v%=*}
1445 tests=${v#*=}
1446 for name in ${tests}; do
1447 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1448 done
1449 done
1450 }
1451
1452 set_ne_test_deps(){
1453 eval ${1}_be_test_deps="bigendian"
1454 eval ${1}_le_test_deps="!bigendian"
1455 }
1456
1457 test_deps _encoder _decoder \
1458 adpcm_g726=g726 \
1459 adpcm_ima_qt \
1460 adpcm_ima_wav \
1461 adpcm_ms \
1462 adpcm_swf \
1463 adpcm_yamaha=adpcm_yam \
1464 alac \
1465 asv1 \
1466 asv2 \
1467 bmp \
1468 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1469 dvvideo="dv dv50" \
1470 ffv1 \
1471 flac \
1472 flashsv \
1473 flv \
1474 gif \
1475 h261 \
1476 h263="h263 h263p" \
1477 huffyuv \
1478 jpegls \
1479 mjpeg="jpg mjpeg ljpeg" \
1480 mp2 \
1481 mpeg1video="mpeg mpeg1b" \
1482 mpeg2video="mpeg2 mpeg2thread" \
1483 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1484 msmpeg4v3=msmpeg4 \
1485 msmpeg4v2 \
1486 pbm=pbmpipe \
1487 pcx \
1488 pgm="pgm pgmpipe" \
1489 ppm="ppm ppmpipe" \
1490 rawvideo="rgb yuv" \
1491 roq \
1492 rv10 \
1493 rv20 \
1494 sgi \
1495 snow="snow snowll" \
1496 svq1 \
1497 targa=tga \
1498 tiff \
1499 wmav1 \
1500 wmav2 \
1501 wmv1 \
1502 wmv2 \
1503
1504 test_deps _muxer _demuxer \
1505 aiff \
1506 pcm_alaw=alaw \
1507 asf \
1508 au \
1509 avi \
1510 dv=dv_fmt \
1511 ffm \
1512 flv=flv_fmt \
1513 gxf \
1514 matroska=mkv \
1515 mmf \
1516 mov \
1517 pcm_mulaw=mulaw \
1518 mxf \
1519 nut \
1520 ogg \
1521 rawvideo=pixfmt \
1522 rm \
1523 swf \
1524 mpegts=ts \
1525 voc \
1526 wav \
1527 yuv4mpegpipe=yuv4mpeg \
1528
1529 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1530 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1531
1532 set_ne_test_deps pixdesc
1533 set_ne_test_deps pixfmts_copy
1534 set_ne_test_deps pixfmts_crop
1535 set_ne_test_deps pixfmts_hflip
1536 set_ne_test_deps pixfmts_null
1537 set_ne_test_deps pixfmts_pad
1538 set_ne_test_deps pixfmts_scale
1539 set_ne_test_deps pixfmts_vflip
1540
1541 # default parameters
1542
1543 logfile="config.log"
1544
1545 # installation paths
1546 prefix_default="/usr/local"
1547 bindir_default='${prefix}/bin'
1548 datadir_default='${prefix}/share/ffmpeg'
1549 incdir_default='${prefix}/include'
1550 libdir_default='${prefix}/lib'
1551 mandir_default='${prefix}/share/man'
1552 shlibdir_default="$libdir_default"
1553
1554 # toolchain
1555 ar_default="ar"
1556 cc_default="gcc"
1557 cc_version=\"unknown\"
1558 host_cc_default="gcc"
1559 ln_s="ln -sf"
1560 nm_default="nm"
1561 objformat="elf"
1562 ranlib="ranlib"
1563 strip_default="strip"
1564 yasmexe="yasm"
1565 nogas=":"
1566
1567 nm_opts='-g'
1568
1569 # machine
1570 arch_default=$(uname -m)
1571 cpu="generic"
1572
1573 # OS
1574 target_os_default=$(tolower $(uname -s))
1575 host_os=$target_os_default
1576
1577 # configurable options
1578 enable avcodec
1579 enable avcore
1580 enable avdevice
1581 enable avfilter
1582 enable avformat
1583 enable avutil
1584 enable asm
1585 enable debug
1586 enable doc
1587 enable fastdiv
1588 enable ffmpeg
1589 enable ffplay
1590 enable ffprobe
1591 enable ffserver
1592 enable mpegaudio_hp
1593 enable network
1594 enable optimizations
1595 enable protocols
1596 enable static
1597 enable stripping
1598 enable swscale
1599 enable swscale_alpha
1600
1601 # build settings
1602 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1603 FFSERVERLDFLAGS=-Wl,-E
1604 LIBPREF="lib"
1605 LIBSUF=".a"
1606 FULLNAME='$(NAME)$(BUILDSUF)'
1607 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1608 SLIBPREF="lib"
1609 SLIBSUF=".so"
1610 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1611 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1612 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1613 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1614
1615 CC_O='-o $@'
1616
1617 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1618 host_libs='-lm'
1619
1620 target_path='$(CURDIR)'
1621
1622 # since the object filename is not given with the -MM flag, the compiler
1623 # is only able to print the basename, and we must add the path ourselves
1624 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1625 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1626
1627 # find source path
1628 source_path="$(dirname "$0")"
1629 enable source_path_used
1630 if test -f configure; then
1631 source_path="$(pwd)"
1632 disable source_path_used
1633 else
1634 source_path="$(cd "$source_path"; pwd)"
1635 echo "$source_path" | grep -q '[[:blank:]]' &&
1636 die "Out of tree builds are impossible with whitespace in source path."
1637 test -e "$source_path/config.h" &&
1638 die "Out of tree builds are impossible with config.h in source dir."
1639 fi
1640
1641 for v in "$@"; do
1642 r=${v#*=}
1643 l=${v%"$r"}
1644 r=$(sh_quote "$r")
1645 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1646 done
1647
1648 find_things(){
1649 thing=$1
1650 pattern=$2
1651 file=$source_path/$3
1652 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1653 }
1654
1655 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1656 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1657 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1658 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1659 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1660 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1661 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1662 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1663 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1664 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1665 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1666
1667 find_tests(){
1668 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1669 }
1670
1671 ACODEC_TESTS=$(find_tests acodec)
1672 VCODEC_TESTS=$(find_tests vsynth1)
1673 LAVF_TESTS=$(find_tests lavf)
1674 LAVFI_TESTS=$(find_tests lavfi)
1675 SEEK_TESTS=$(find_tests seek seek_)
1676
1677 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1678
1679 for n in $COMPONENT_LIST; do
1680 v=$(toupper ${n%s})_LIST
1681 eval enable \$$v
1682 eval ${n}_if_any="\$$v"
1683 done
1684
1685 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1686
1687 die_unknown(){
1688 echo "Unknown option \"$1\"."
1689 echo "See $0 --help for available options."
1690 exit 1
1691 }
1692
1693 show_list() {
1694 suffix=_$1
1695 shift
1696 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1697 exit 0
1698 }
1699
1700 for opt do
1701 optval="${opt#*=}"
1702 case "$opt" in
1703 --extra-ldflags=*) add_ldflags $optval
1704 ;;
1705 --extra-libs=*) add_extralibs $optval
1706 ;;
1707 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1708 ;;
1709 --enable-debug=*) debuglevel="$optval"
1710 ;;
1711 --disable-everything)
1712 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1713 ;;
1714 --enable-*=*|--disable-*=*)
1715 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1716 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1717 eval list=\$$(toupper $thing)_LIST
1718 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1719 $action $(filter "$name" $list)
1720 ;;
1721 --enable-?*|--disable-?*)
1722 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1723 if is_in $option $COMPONENT_LIST; then
1724 test $action = disable && action=unset
1725 eval $action \$$(toupper ${option%s})_LIST
1726 elif is_in $option $CMDLINE_SELECT; then
1727 $action $option
1728 else
1729 die_unknown $opt
1730 fi
1731 ;;
1732 --list-*)
1733 NAME="${opt#--list-}"
1734 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1735 NAME=${NAME%s}
1736 eval show_list $NAME \$$(toupper $NAME)_LIST
1737 ;;
1738 --help|-h) show_help
1739 ;;
1740 *)
1741 optname="${opt%%=*}"
1742 optname="${optname#--}"
1743 optname=$(echo "$optname" | sed 's/-/_/g')
1744 if is_in $optname $CMDLINE_SET; then
1745 eval $optname='$optval'
1746 elif is_in $optname $CMDLINE_APPEND; then
1747 append $optname "$optval"
1748 else
1749 die_unknown $opt
1750 fi
1751 ;;
1752 esac
1753 done
1754
1755 disabled logging && logfile=/dev/null
1756
1757 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1758 set >> $logfile
1759
1760 test -n "$cross_prefix" && enable cross_compile
1761
1762 if enabled cross_compile; then
1763 test -n "$arch" && test -n "$target_os" ||
1764 die "Must specify target arch and OS when cross-compiling"
1765 fi
1766
1767 set_default arch target_os
1768
1769 ar_default="${cross_prefix}${ar_default}"
1770 cc_default="${cross_prefix}${cc_default}"
1771 nm_default="${cross_prefix}${nm_default}"
1772 ranlib="${cross_prefix}${ranlib}"
1773 strip_default="${cross_prefix}${strip_default}"
1774
1775 sysinclude_default="${sysroot}/usr/include"
1776
1777 set_default cc nm strip sysinclude
1778 enabled cross_compile || host_cc_default=$cc
1779 set_default host_cc
1780
1781 exesuf() {
1782 case $1 in
1783 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1784 esac
1785 }
1786
1787 EXESUF=$(exesuf $target_os)
1788 HOSTEXESUF=$(exesuf $host_os)
1789
1790 # set temporary file name
1791 : ${TMPDIR:=$TEMPDIR}
1792 : ${TMPDIR:=$TMP}
1793 : ${TMPDIR:=/tmp}
1794
1795 if ! check_cmd type mktemp; then
1796 # simple replacement for missing mktemp
1797 # NOT SAFE FOR GENERAL USE
1798 mktemp(){
1799 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1800 }
1801 fi
1802
1803 tmpfile(){
1804 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1805 (set -C; exec > $tmp) 2>/dev/null ||
1806 die "Unable to create temporary file in $TMPDIR."
1807 append TMPFILES $tmp
1808 eval $1=$tmp
1809 }
1810
1811 trap 'rm -f -- $TMPFILES' EXIT
1812 trap exit HUP INT TERM
1813
1814 tmpfile TMPC .c
1815 tmpfile TMPE $EXESUF
1816 tmpfile TMPH .h
1817 tmpfile TMPO .o
1818 tmpfile TMPS .S
1819 tmpfile TMPV .ver
1820 tmpfile TMPSH .sh
1821 tmpfile TMPASM .asm
1822
1823 unset -f mktemp
1824
1825 chmod +x $TMPE
1826
1827 # make sure we can execute files in $TMPDIR
1828 cat > $TMPSH 2>> $logfile <<EOF
1829 #! /bin/sh
1830 EOF
1831 chmod +x $TMPSH >> $logfile 2>&1
1832 if ! $TMPSH >> $logfile 2>&1; then
1833 cat <<EOF
1834 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1835 variable to another directory and make sure that it is not mounted noexec.
1836 EOF
1837 die "Sanity test failed."
1838 fi
1839
1840 filter_cflags=echo
1841 filter_cppflags=echo
1842 filter_asflags=echo
1843
1844 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1845 cc_type=llvm_gcc
1846 cc_version=__VERSION__
1847 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1848 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1849 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1850 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1851 speed_cflags='-O3'
1852 size_cflags='-Os'
1853 elif $cc -v 2>&1 | grep -qi ^gcc; then
1854 cc_type=gcc
1855 cc_version=__VERSION__
1856 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1857 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1858 if ! $cc -dumpversion | grep -q '^2\.'; then
1859 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1860 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1861 fi
1862 speed_cflags='-O3'
1863 size_cflags='-Os'
1864 elif $cc --version 2>/dev/null | grep -q Intel; then
1865 cc_type=icc
1866 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1867 cc_ident=$($cc --version | head -n1)
1868 icc_version=$($cc -dumpversion)
1869 CC_DEPFLAGS='-MMD'
1870 AS_DEPFLAGS='-MMD'
1871 speed_cflags='-O3'
1872 size_cflags='-Os'
1873 noopt_cflags='-O1'
1874 elif $cc -v 2>&1 | grep -q xlc; then
1875 cc_type=xlc
1876 cc_version="AV_STRINGIFY(__IBMC__)"
1877 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1878 speed_cflags='-O5'
1879 size_cflags='-O5 -qcompact'
1880 elif $cc -V 2>/dev/null | grep -q Compaq; then
1881 cc_type=ccc
1882 cc_version="AV_STRINGIFY(__DECC_VER)"
1883 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1884 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1885 debuglevel=3
1886 add_ldflags -Wl,-z,now # calls to libots crash without this
1887 speed_cflags='-fast'
1888 size_cflags='-O1'
1889 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1890 test -d "$sysroot" || die "No valid sysroot specified."
1891 cc_type=armcc
1892 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1893 cc_ident=$($cc --vsn | head -n1)
1894 armcc_conf="$PWD/armcc.conf"
1895 $cc --arm_linux_configure \
1896 --arm_linux_config_file="$armcc_conf" \
1897 --configure_sysroot="$sysroot" \
1898 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1899 die "Error creating armcc configuration file."
1900 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1901 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1902 as_default="${cross_prefix}gcc"
1903 CC_DEPFLAGS='-MMD'
1904 AS_DEPFLAGS='-MMD'
1905 speed_cflags='-O3'
1906 size_cflags='-Os'
1907 elif $cc -version 2>/dev/null | grep -q TMS470; then
1908 cc_type=tms470
1909 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1910 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1911 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1912 CC_O='-fr=$(@D)'
1913 as_default="${cross_prefix}gcc"
1914 ld_default="${cross_prefix}gcc"
1915 TMPO=$(basename $TMPC .c).o
1916 append TMPFILES $TMPO
1917 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1918 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1919 AS_DEPFLAGS='-MMD'
1920 speed_cflags='-O3 -mf=5'
1921 size_cflags='-O3 -mf=2'
1922 filter_cflags=tms470_flags
1923 tms470_flags(){
1924 for flag; do
1925 case $flag in
1926 -march=*|-mcpu=*)
1927 case "${flag#*=}" in
1928 armv7-a|cortex-a*) echo -mv=7a8 ;;
1929 armv7-r|cortex-r*) echo -mv=7r4 ;;
1930 armv7-m|cortex-m*) echo -mv=7m3 ;;
1931 armv6*|arm11*) echo -mv=6 ;;
1932 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1933 echo -mv=5e ;;
1934 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1935 esac
1936 ;;
1937 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1938 -mfpu=vfp) echo --float_support=vfpv2 ;;
1939 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1940 -msoft-float) echo --float_support=vfplib ;;
1941 -O[0-3]|-mf=*) echo $flag ;;
1942 -g) echo -g -mn ;;
1943 -pds=*) echo $flag ;;
1944 esac
1945 done
1946 }
1947 elif $cc -v 2>&1 | grep -q clang; then
1948 cc_type=clang
1949 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1950 cc_version=__clang_version__ || cc_version=__VERSION__
1951 cc_ident=$($cc --version | head -n1)
1952 CC_DEPFLAGS='-MMD'
1953 AS_DEPFLAGS='-MMD'
1954 speed_cflags='-O3'
1955 size_cflags='-Os'
1956 elif $cc -V 2>&1 | grep -q Sun; then
1957 cc_type=suncc
1958 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1959 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1960 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1961 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1962 speed_cflags='-O5'
1963 size_cflags='-O5 -xspace'
1964 filter_cflags=suncc_flags
1965 suncc_flags(){
1966 for flag; do
1967 case $flag in
1968 -march=*|-mcpu=*)
1969 case "${flag#*=}" in
1970 native) echo -xtarget=native ;;
1971 v9|niagara) echo -xarch=sparc ;;
1972 ultrasparc) echo -xarch=sparcvis ;;
1973 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1974 i586|pentium) echo -xchip=pentium ;;
1975 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1976 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1977 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1978 pentium4*) echo -xtarget=pentium4 ;;
1979 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1980 *-sse3) echo -xarch=sse3 ;;
1981 core2) echo -xarch=ssse3 -xchip=core2 ;;
1982 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1983 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1984 k8|opteron|athlon64|athlon-fx)
1985 echo -xarch=sse2a ;;
1986 athlon*) echo -xarch=pentium_proa ;;
1987 esac
1988 ;;
1989 -std=c99) echo -xc99 ;;
1990 -fomit-frame-pointer) echo -xregs=frameptr ;;
1991 -fPIC) echo -KPIC -xcode=pic32 ;;
1992 -W*,*) echo $flag ;;
1993 -f*-*|-W*) ;;
1994 *) echo $flag ;;
1995 esac
1996 done
1997 }
1998 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1999 cc_type=pathscale
2000 cc_version=__PATHSCALE__
2001 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2002 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2003 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004 speed_cflags='-O2'
2005 size_cflags='-Os'
2006 elif $cc -v 2>&1 | grep -q Open64; then
2007 cc_type=open64
2008 cc_version=__OPEN64__
2009 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2010 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2011 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2012 speed_cflags='-O2'
2013 size_cflags='-Os'
2014 fi
2015
2016 test -n "$cc_type" && enable $cc_type ||
2017 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2018
2019 : ${as_default:=$cc}
2020 : ${dep_cc_default:=$cc}
2021 : ${ld_default:=$cc}
2022 set_default ar as dep_cc ld
2023
2024 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2025 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2026
2027 add_cflags $extra_cflags
2028 add_asflags $extra_cflags
2029
2030 if test -n "$sysroot"; then
2031 case "$cc_type" in
2032 gcc|llvm_gcc)
2033 add_cppflags --sysroot="$sysroot"
2034 add_ldflags --sysroot="$sysroot"
2035 ;;
2036 tms470)
2037 add_cppflags -I"$sysinclude"
2038 add_ldflags --sysroot="$sysroot"
2039 ;;
2040 clang)
2041 add_cppflags -isysroot "$sysroot"
2042 add_ldflags -isysroot "$sysroot"
2043 ;;
2044 esac
2045 fi
2046
2047 if test "$cpu" = host; then
2048 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2049
2050 case "$cc_type" in
2051 gcc|llvm_gcc)
2052 check_native(){
2053 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2054 sed -n "/$1=/{
2055 s/.*$1=\\([^ ]*\\).*/\\1/
2056 p
2057 q
2058 }" $TMPE
2059 }
2060 cpu=$(check_native -march || check_native -mcpu)
2061 ;;
2062 esac
2063
2064 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2065 fi
2066
2067 # Deal with common $arch aliases
2068 case "$arch" in
2069 arm*)
2070 arch="arm"
2071 ;;
2072 mips|mipsel|IP*)
2073 arch="mips"
2074 ;;
2075 mips64*)
2076 arch="mips"
2077 subarch="mips64"
2078 ;;
2079 parisc|hppa)
2080 arch="parisc"
2081 ;;
2082 parisc64|hppa64)
2083 arch="parisc"
2084 subarch="parisc64"
2085 ;;
2086 "Power Macintosh"|ppc|powerpc)
2087 arch="ppc"
2088 ;;
2089 ppc64|powerpc64)
2090 arch="ppc"
2091 subarch="ppc64"
2092 ;;
2093 s390|s390x)
2094 arch="s390"
2095 ;;
2096 sh4|sh)
2097 arch="sh4"
2098 ;;
2099 sun4u|sparc64)
2100 arch="sparc"
2101 subarch="sparc64"
2102 ;;
2103 i[3-6]86|i86pc|BePC|x86_64|amd64)
2104 arch="x86"
2105 ;;
2106 esac
2107
2108 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2109 enable $arch
2110
2111 # Add processor-specific flags
2112 if test "$cpu" = generic; then
2113 : do nothing
2114 elif enabled ppc; then
2115
2116 case $(tolower $cpu) in
2117 601|ppc601|powerpc601)
2118 cpuflags="-mcpu=601"
2119 disable altivec
2120 ;;
2121 603*|ppc603*|powerpc603*)
2122 cpuflags="-mcpu=603"
2123 disable altivec
2124 ;;
2125 604*|ppc604*|powerpc604*)
2126 cpuflags="-mcpu=604"
2127 disable altivec
2128 ;;
2129 g3|75*|ppc75*|powerpc75*)
2130 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2131 disable altivec
2132 ;;
2133 g4|745*|ppc745*|powerpc745*)
2134 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2135 ;;
2136 74*|ppc74*|powerpc74*)
2137 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2138 ;;
2139 g5|970|ppc970|powerpc970|power4*)
2140 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2141 ;;
2142 cell)
2143 cpuflags="-mcpu=cell"
2144 enable ldbrx
2145 ;;
2146 e500v2)
2147 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2148 disable altivec
2149 ;;
2150 e500)
2151 cpuflags="-mcpu=8540 -mhard-float"
2152 disable altivec
2153 ;;
2154 esac
2155
2156 elif enabled x86; then
2157
2158 case $cpu in
2159 i[345]86|pentium)
2160 cpuflags="-march=$cpu"
2161 disable mmx
2162 ;;
2163 # targets that do NOT support conditional mov (cmov)
2164 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2165 cpuflags="-march=$cpu"
2166 disable cmov
2167 ;;
2168 # targets that do support conditional mov (cmov)
2169 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2170 cpuflags="-march=$cpu"
2171 enable cmov
2172 enable fast_cmov
2173 ;;
2174 # targets that do support conditional mov but on which it's slow
2175 pentium4|pentium4m|prescott|nocona)
2176 cpuflags="-march=$cpu"
2177 enable cmov
2178 disable fast_cmov
2179 ;;
2180 esac
2181
2182 elif enabled sparc; then
2183
2184 case $cpu in
2185 niagara)
2186 cpuflags="-mcpu=$cpu"
2187 disable vis
2188 ;;
2189 sparc64)
2190 cpuflags="-mcpu=v9"
2191 ;;
2192 esac
2193
2194 elif enabled arm; then
2195
2196 case $cpu in
2197 armv*)
2198 cpuflags="-march=$cpu"
2199 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2200 ;;
2201 *)
2202 cpuflags="-mcpu=$cpu"
2203 case $cpu in
2204 cortex-a*) subarch=armv7a ;;
2205 cortex-r*) subarch=armv7r ;;
2206 cortex-m*) subarch=armv7m ;;
2207 arm11*) subarch=armv6 ;;
2208 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2209 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2210 esac
2211 ;;
2212 esac
2213
2214 elif enabled alpha; then
2215
2216 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2217
2218 elif enabled bfin; then
2219
2220 cpuflags="-mcpu=$cpu"
2221
2222 elif enabled mips; then
2223
2224 cpuflags="-march=$cpu"
2225
2226 elif enabled avr32; then
2227
2228 case $cpu in
2229 ap7[02]0[0-2])
2230 subarch="avr32_ap"
2231 cpuflags="-mpart=$cpu"
2232 ;;
2233 ap)
2234 subarch="avr32_ap"
2235 cpuflags="-march=$cpu"
2236 ;;
2237 uc3[ab]*)
2238 subarch="avr32_uc"
2239 cpuflags="-mcpu=$cpu"
2240 ;;
2241 uc)
2242 subarch="avr32_uc"
2243 cpuflags="-march=$cpu"
2244 ;;
2245 esac
2246
2247 fi
2248
2249 add_cflags $cpuflags
2250 add_asflags $cpuflags
2251
2252 # compiler sanity check
2253 check_exec <<EOF
2254 int main(void){ return 0; }
2255 EOF
2256 if test "$?" != 0; then
2257 echo "$cc is unable to create an executable file."
2258 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2259 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2260 echo "Only do this if you know what cross compiling means."
2261 fi
2262 die "C compiler test failed."
2263 fi
2264
2265 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2266 check_cflags -std=c99
2267 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2268 #include <stdlib.h>
2269 EOF
2270 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2271 #include <stdlib.h>
2272 EOF
2273
2274 check_host_cflags -std=c99
2275
2276 case "$arch" in
2277 alpha|ia64|mips|parisc|sparc)
2278 spic=$shared
2279 ;;
2280 x86)
2281 subarch="x86_32"
2282 check_cc <<EOF && subarch="x86_64"
2283 int test[(int)sizeof(char*) - 7];
2284 EOF
2285 if test "$subarch" = "x86_64"; then
2286 spic=$shared
2287 fi
2288 ;;
2289 esac
2290
2291 enable $subarch
2292 enabled spic && enable pic
2293
2294 # OS specific
2295 case $target_os in
2296 haiku)
2297 prefix_default="/boot/common"
2298 network_extralibs="-lnetwork"
2299 ;;
2300 sunos)
2301 FFSERVERLDFLAGS=""
2302 SHFLAGS='-shared -Wl,-h,$$(@F)'
2303 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2304 network_extralibs="-lsocket -lnsl"
2305 add_cppflags -D__EXTENSIONS__
2306 nm_opts='-P -g'
2307 ;;
2308 netbsd)
2309 oss_indev_extralibs="-lossaudio"
2310 oss_outdev_extralibs="-lossaudio"
2311 add_cppflags -D_XOPEN_SOURCE=600
2312 ;;
2313 openbsd)
2314 enable malloc_aligned
2315 # On OpenBSD 4.5. the compiler does not use PIC unless
2316 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2317 # however the generated executable will not do anything
2318 # (simply quits with exit-code 1, no crash, no output).
2319 # Thus explicitly enable PIC here.
2320 enable pic
2321 SHFLAGS='-shared'
2322 oss_indev_extralibs="-lossaudio"
2323 oss_outdev_extralibs="-lossaudio"
2324 ;;
2325 freebsd|dragonfly)
2326 enable malloc_aligned
2327 ;;
2328 bsd/os)
2329 add_extralibs -lpoll -lgnugetopt
2330 strip="strip -d"
2331 ;;
2332 darwin)
2333 enable malloc_aligned
2334 gas="gas-preprocessor.pl $cc"
2335 enabled ppc && add_asflags -force_cpusubtype_ALL
2336 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2337 strip="${strip} -x"
2338 add_ldflags -Wl,-dynamic,-search_paths_first
2339 SLIBSUF=".dylib"
2340 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2341 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2342 FFSERVERLDFLAGS=-Wl,-bind_at_load
2343 objformat="macho"
2344 enabled x86_64 && objformat="macho64"
2345 enabled_any pic shared ||
2346 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2347 ;;
2348 mingw32*)
2349 if test $target_os = "mingw32ce"; then
2350 disable network
2351 else
2352 target_os=mingw32
2353 fi
2354 LIBTARGET=i386
2355 if enabled x86_64; then
2356 enable malloc_aligned
2357 LIBTARGET=x64
2358 elif enabled arm; then
2359 LIBTARGET=arm
2360 fi
2361 shlibdir_default="$bindir_default"
2362 disable ffserver
2363 SLIBPREF=""
2364 SLIBSUF=".dll"
2365 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2366 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2367 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2368 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2369 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2370 install -d "$(LIBDIR)"; \
2371 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2372 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2373 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'
2374 objformat="win32"
2375 enable dos_paths
2376 check_cflags -fno-common
2377 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2378 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2379 die "ERROR: MinGW runtime version must be >= 3.15."
2380 ;;
2381 cygwin*)
2382 target_os=cygwin
2383 shlibdir_default="$bindir_default"
2384 SLIBPREF="cyg"
2385 SLIBSUF=".dll"
2386 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2387 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2388 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2389 objformat="win32"
2390 enable dos_paths
2391 check_cflags -fno-common
2392 ;;
2393 *-dos|freedos|opendos)
2394 disable ffplay ffserver
2395 disable $INDEV_LIST $OUTDEV_LIST
2396 network_extralibs="-lsocket"
2397 objformat="coff"
2398 enable dos_paths
2399 ;;
2400 linux)
2401 enable dv1394
2402 ;;
2403 irix*)
2404 target_os=irix
2405 ranlib="echo ignoring ranlib"
2406 ;;
2407 os/2*)
2408 strip="lxlite"
2409 ln_s="cp -f"
2410 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2411 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2412 FFSERVERLDFLAGS=""
2413 LIBSUF="_s.a"
2414 SLIBPREF=""
2415 SLIBSUF=".dll"
2416 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2417 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2418 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2419 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2420 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2421 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2422 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2423 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2424 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2425 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2426 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2427 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2428 enable dos_paths
2429 ;;
2430 gnu/kfreebsd)
2431 ;;
2432 gnu)
2433 ;;
2434 none)
2435 ;;
2436 *)
2437 die "Unknown OS '$target_os'."
2438 ;;
2439 esac
2440
2441 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2442
2443 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2444
2445 set_default $PATHS_LIST
2446
2447 # we need to build at least one lib type
2448 if ! enabled_any static shared; then
2449 cat <<EOF
2450 At least one library type must be built.
2451 Specify --enable-static to build the static libraries or --enable-shared to
2452 build the shared libraries as well. To only build the shared libraries specify
2453 --disable-static in addition to --enable-shared.
2454 EOF
2455 exit 1;
2456 fi
2457
2458 disabled static && LIBNAME=""
2459
2460 die_license_disabled() {
2461 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2462 }
2463
2464 die_license_disabled gpl libx264
2465 die_license_disabled gpl libxavs
2466 die_license_disabled gpl libxvid
2467 die_license_disabled gpl postproc
2468 die_license_disabled gpl x11grab
2469
2470 die_license_disabled nonfree libfaac
2471
2472 die_license_disabled version3 libopencore_amrnb
2473 die_license_disabled version3 libopencore_amrwb
2474
2475 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2476
2477 check_deps $ARCH_EXT_LIST
2478
2479 disabled optimizations || check_cflags -fomit-frame-pointer
2480
2481 enable_pic() {
2482 enable pic
2483 add_cppflags -DPIC
2484 add_cflags -fPIC
2485 add_asflags -fPIC
2486 }
2487
2488 enabled pic && enable_pic
2489
2490 check_cc <<EOF || die "Symbol mangling check failed."
2491 int ff_extern;
2492 EOF
2493 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2494 extern_prefix=${sym%%ff_extern*}
2495
2496 check_cc <<EOF && enable inline_asm
2497 void foo(void) { __asm__ volatile ("" ::); }
2498 EOF
2499
2500 _restrict=
2501 for restrict_keyword in restrict __restrict__ __restrict; do
2502 check_cc <<EOF && _restrict=$restrict_keyword && break
2503 void foo(char * $restrict_keyword p);
2504 EOF
2505 done
2506
2507 check_cc <<EOF && enable attribute_packed
2508 struct { int x; } __attribute__((packed)) x;
2509 EOF
2510
2511 check_cc <<EOF && enable attribute_may_alias
2512 union { int x; } __attribute__((may_alias)) x;
2513 EOF
2514
2515 check_cc <<EOF || die "endian test failed"
2516 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2517 EOF
2518 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2519
2520 if enabled alpha; then
2521
2522 check_cflags -mieee
2523
2524 elif enabled arm; then
2525
2526 check_cflags -marm
2527 nogas=die
2528
2529 check_ld <<EOF && enable vfp_args
2530 __asm__ (".eabi_attribute 28, 1");
2531 int main(void) { return 0; }
2532 EOF
2533
2534 # We have to check if pld is a nop and disable it.
2535 check_asm pld '"pld [r0]"'
2536
2537 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2538 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2539 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2540 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2541 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2542 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2543
2544 enabled_all armv6t2 shared !pic && enable_pic
2545
2546 elif enabled mips; then
2547
2548 check_asm loongson '"dmult.g $1, $2, $3"'
2549 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2550
2551 elif enabled ppc; then
2552
2553 enable local_aligned_8 local_aligned_16
2554
2555 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2556 check_asm ibm_asm '"add 0, 0, 0"'
2557 check_asm ppc4xx '"maclhw r10, r11, r12"'
2558 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2559
2560 # AltiVec flags: The FSF version of GCC differs from the Apple version
2561 if enabled altivec; then
2562 nogas=warn
2563 check_cflags -maltivec -mabi=altivec &&
2564 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2565 check_cflags -faltivec
2566
2567 # check if our compiler supports Motorola AltiVec C API
2568 check_cc <<EOF || disable altivec
2569 $inc_altivec_h
2570 int main(void) {
2571 vector signed int v1, v2, v3;
2572 v1 = vec_add(v2,v3);
2573 return 0;
2574 }
2575 EOF
2576
2577 # check if our compiler supports braces for vector declarations
2578 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2579 $inc_altivec_h
2580 int main (void) { (vector int) {1}; return 0; }
2581 EOF
2582 fi
2583
2584 elif enabled sparc; then
2585
2586 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2587 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2588
2589 elif enabled x86; then
2590
2591 enable local_aligned_8 local_aligned_16
2592
2593 # check whether EBP is available on x86
2594 # As 'i' is stored on the stack, this program will crash
2595 # if the base pointer is used to access it because the
2596 # base pointer is cleared in the inline assembly code.
2597 check_exec_crash <<EOF && enable ebp_available
2598 volatile int i=0;
2599 __asm__ volatile (
2600 "xorl %%ebp, %%ebp"
2601 ::: "%ebp");
2602 return i;
2603 EOF
2604
2605 # check whether EBX is available on x86
2606 check_asm ebx_available '""::"b"(0)' &&
2607 check_asm ebx_available '"":::"%ebx"'
2608
2609 # check whether xmm clobbers are supported
2610 check_asm xmm_clobbers '"":::"%xmm0"'
2611
2612 # check whether more than 10 operands are supported
2613 check_cc <<EOF && enable ten_operands
2614 int main(void) {
2615 int x=0;
2616 __asm__ volatile(
2617 ""
2618 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2619 );
2620 return 0;
2621 }
2622 EOF
2623
2624 # check whether binutils is new enough to compile SSSE3/MMX2
2625 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2626 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2627
2628 check_asm bswap '"bswap %%eax" ::: "%eax"'
2629
2630 if ! disabled_any asm mmx yasm; then
2631 if check_cmd $yasmexe --version; then
2632 enabled x86_64 && yasm_extra="-m amd64"
2633 yasm_debug="-g dwarf2"
2634 elif check_cmd nasm -v; then
2635 yasmexe=nasm
2636 yasm_debug="-g -F dwarf"
2637 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2638 fi
2639
2640 YASMFLAGS="-f $objformat $yasm_extra"
2641 enabled pic && append YASMFLAGS "-DPIC"
2642 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2643 case "$objformat" in
2644 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2645 esac
2646
2647 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2648 die "yasm not found, use --disable-yasm for a crippled build"
2649 fi
2650
2651 case "$cpu" in
2652 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2653 disable fast_clz
2654 ;;
2655 esac
2656
2657 fi
2658
2659 if enabled asm; then
2660 as=${gas:=$as}
2661 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2662 $nogas "GNU assembler not found, install gas-preprocessor"
2663 fi
2664
2665 if check_func dlopen; then
2666 ldl=
2667 elif check_func dlopen -ldl; then
2668 ldl=-ldl
2669 fi
2670
2671 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2672 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2673
2674 check_func fcntl
2675 check_func fork
2676 check_func getaddrinfo $network_extralibs
2677 check_func gethrtime
2678 check_func getrusage
2679 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2680 check_func inet_aton $network_extralibs
2681 check_func isatty
2682 check_func ${malloc_prefix}memalign && enable memalign
2683 check_func mkstemp
2684 check_func mmap
2685 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2686 check_func setrlimit
2687 check_func strerror_r
2688 check_func strtok_r
2689 check_func_headers io.h setmode
2690 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2691 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2692 check_func_headers windows.h GetProcessTimes
2693 check_func_headers windows.h MapViewOfFile
2694 check_func_headers windows.h VirtualAlloc
2695
2696 check_header conio.h
2697 check_header dlfcn.h
2698 check_header dxva2api.h
2699 check_header malloc.h
2700 check_header poll.h
2701 check_header sys/mman.h
2702 check_header sys/resource.h
2703 check_header sys/select.h
2704 check_header termios.h
2705 check_header vdpau/vdpau.h
2706 check_header vdpau/vdpau_x11.h
2707 check_header X11/extensions/XvMClib.h
2708
2709 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2710
2711 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2712 enabled_any $need_memalign ; then
2713 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2714 fi
2715
2716 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2717 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2718
2719 # check for some common methods of building with pthread support
2720 # do this before the optional library checks as some of them require pthreads
2721 if ! disabled pthreads && ! enabled w32threads; then
2722 enable pthreads
2723 if check_func pthread_create; then
2724 :
2725 elif check_func pthread_create -pthread; then
2726 add_cflags -pthread
2727 add_extralibs -pthread
2728 elif check_func pthread_create -pthreads; then
2729 add_cflags -pthreads
2730 add_extralibs -pthreads
2731 elif check_func pthread_create -lpthreadGC2; then
2732 add_extralibs -lpthreadGC2
2733 elif ! check_lib pthread.h pthread_create -lpthread; then
2734 disable pthreads
2735 fi
2736 fi
2737
2738 for thread in $THREADS_LIST; do
2739 if enabled $thread; then
2740 test -n "$thread_type" &&
2741 die "ERROR: Only one thread type must be selected." ||
2742 thread_type="$thread"
2743 fi
2744 done
2745
2746 check_lib math.h sin -lm
2747 disabled vaapi || check_lib va/va.h vaInitialize -lva
2748
2749 check_mathfunc exp2
2750 check_mathfunc exp2f
2751 check_mathfunc llrint
2752 check_mathfunc llrintf
2753 check_mathfunc log2
2754 check_mathfunc log2f
2755 check_mathfunc lrint
2756 check_mathfunc lrintf
2757 check_mathfunc round
2758 check_mathfunc roundf
2759 check_mathfunc truncf
2760
2761 # these are off by default, so fail if requested and not available
2762 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2763 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2764 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2765 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2766 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2767 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2768 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2769 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2770 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2771 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2772 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2773 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2774 die "ERROR: libopencv not found"; }
2775 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2776 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2777 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2778 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2779 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2780 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2781 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2782 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2783 enabled libvpx && {
2784 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2785 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2786 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2787 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2788 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2789 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2790 die "ERROR: libx264 version must be >= 0.99."; }
2791 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2792 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2793 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2794
2795 # libdc1394 check
2796 if enabled libdc1394; then
2797 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2798 enable libdc1394_2; } ||
2799 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2800 enable libdc1394_1; } ||
2801 die "ERROR: No version of libdc1394 found "
2802 fi
2803
2804 SDL_CONFIG="${cross_prefix}sdl-config"
2805 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2806 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2807 sdl_libs=$("${SDL_CONFIG}" --libs)
2808 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2809 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2810 enable sdl &&
2811 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2812 fi
2813
2814 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2815
2816 if enabled network; then
2817 check_type "sys/types.h sys/socket.h" socklen_t
2818 check_type netdb.h "struct addrinfo"
2819 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2820 check_type netinet/in.h "struct sockaddr_in6"
2821 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2822 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2823 # Prefer arpa/inet.h over winsock2
2824 if check_header arpa/inet.h ; then
2825 check_func closesocket
2826 elif check_header winsock2.h ; then
2827 check_func_headers winsock2.h closesocket -lws2 && \
2828 network_extralibs="-lws2" || \
2829 { check_func_headers winsock2.h closesocket -lws2_32 && \
2830 network_extralibs="-lws2_32"; }
2831 check_type ws2tcpip.h socklen_t
2832 check_type ws2tcpip.h "struct addrinfo"
2833 check_type ws2tcpip.h "struct ipv6_mreq"
2834 check_type ws2tcpip.h "struct sockaddr_in6"
2835 check_type ws2tcpip.h "struct sockaddr_storage"
2836 check_struct winsock2.h "struct sockaddr" sa_len
2837 else
2838 disable network
2839 fi
2840 fi
2841
2842 check_header linux/videodev.h
2843 check_header linux/videodev2.h
2844 check_header sys/videoio.h
2845
2846 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2847 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2848 # w32api 3.12 had it defined wrong
2849 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2850
2851 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2852 { check_header dev/bktr/ioctl_meteor.h &&
2853 check_header dev/bktr/ioctl_bt848.h; } ||
2854 { check_header machine/ioctl_meteor.h &&
2855 check_header machine/ioctl_bt848.h; } ||
2856 { check_header dev/video/meteor/ioctl_meteor.h &&
2857 check_header dev/video/bktr/ioctl_bt848.h; } ||
2858 check_header dev/ic/bt8xx.h
2859
2860 check_header sys/soundcard.h
2861 check_header soundcard.h
2862
2863 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2864
2865 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2866
2867 enabled x11grab &&
2868 check_header X11/Xlib.h &&
2869 check_header X11/extensions/XShm.h &&
2870 check_header X11/extensions/Xfixes.h &&
2871 check_func XOpenDisplay -lX11 &&
2872 check_func XShmCreateImage -lX11 -lXext &&
2873 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2874
2875 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2876 check_cpp_condition \
2877 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2878 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2879 disable vdpau; }
2880 fi
2881
2882 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2883
2884 # add some useful compiler flags if supported
2885 check_cflags -Wdeclaration-after-statement
2886 check_cflags -Wall
2887 check_cflags -Wno-parentheses
2888 check_cflags -Wno-switch
2889 check_cflags -Wdisabled-optimization
2890 check_cflags -Wpointer-arith
2891 check_cflags -Wredundant-decls
2892 check_cflags -Wno-pointer-sign
2893 check_cflags -Wcast-qual
2894 check_cflags -Wwrite-strings
2895 check_cflags -Wtype-limits
2896 check_cflags -Wundef
2897 check_cflags -Wmissing-prototypes
2898 enabled extra_warnings && check_cflags -Winline
2899
2900 # add some linker flags
2901 check_ldflags -Wl,--warn-common
2902 check_ldflags -Wl,--as-needed
2903 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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2904 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2905
2906 echo "X{};" > $TMPV
2907 if test_ldflags -Wl,--version-script,$TMPV; then
2908 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2909 check_cc <<EOF && enable symver_asm_label
2910 void ff_foo(void) __asm__ ("av_foo@VERSION");
2911 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2912 EOF
2913 check_cc <<EOF && enable symver_gnu_asm
2914 __asm__(".symver ff_foo,av_foo@VERSION");
2915 void ff_foo(void) {}
2916 EOF
2917 fi
2918
2919 if enabled small; then
2920 add_cflags $size_cflags
2921 optimizations="small"
2922 elif enabled optimizations; then
2923 add_cflags $speed_cflags
2924 else
2925 add_cflags $noopt_cflags
2926 fi
2927 check_cflags -fno-math-errno
2928 check_cflags -fno-signed-zeros
2929
2930 if enabled icc; then
2931 # Just warnings, no remarks
2932 check_cflags -w1
2933 # -wd: Disable following warnings
2934 # 144, 167, 556: -Wno-pointer-sign
2935 # 10006: ignoring unknown option -fno-signed-zeros
2936 # 10148: ignoring unknown option -Wno-parentheses
2937 # 10156: ignoring option '-W'; no argument required
2938 check_cflags -wd144,167,556,10006,10148,10156
2939 # 11030: Warning unknown option --as-needed
2940 # 10156: ignoring option '-export'; no argument required
2941 check_ldflags -wd10156,11030
2942 # Allow to compile with optimizations
2943 check_ldflags -march=$cpu
2944 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2945 enable ebp_available
2946 if enabled x86_32; then
2947 test ${icc_version%%.*} -ge 11 && \
2948 check_cflags -falign-stack=maintain-16-byte || \
2949 disable aligned_stack
2950 fi
2951 elif enabled ccc; then
2952 # disable some annoying warnings
2953 add_cflags -msg_disable cvtu32to64
2954 add_cflags -msg_disable embedcomment
2955 add_cflags -msg_disable needconstext
2956 add_cflags -msg_disable nomainieee
2957 add_cflags -msg_disable ptrmismatch1
2958 add_cflags -msg_disable unreachcode
2959 elif enabled gcc; then
2960 check_cflags -fno-tree-vectorize
2961 check_cflags -Werror=implicit-function-declaration
2962 check_cflags -Werror=missing-prototypes
2963 elif enabled llvm_gcc; then
2964 check_cflags -mllvm -stack-alignment=16
2965 elif enabled clang; then
2966 check_cflags -mllvm -stack-alignment=16
2967 check_cflags -Qunused-arguments
2968 elif enabled armcc; then
2969 # 2523: use of inline assembler is deprecated
2970 add_cflags -W${armcc_opt},--diag_suppress=2523
2971 add_cflags -W${armcc_opt},--diag_suppress=1207
2972 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
2973 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
2974 elif enabled tms470; then
2975 add_cflags -pds=824 -pds=837
2976 fi
2977
2978 enabled_any $THREADS_LIST && enable threads
2979
2980 check_deps $CONFIG_LIST \
2981 $CONFIG_EXTRA \
2982 $HAVE_LIST \
2983 $DECODER_LIST \
2984 $ENCODER_LIST \
2985 $HWACCEL_LIST \
2986 $PARSER_LIST \
2987 $BSF_LIST \
2988 $DEMUXER_LIST \
2989 $MUXER_LIST \
2990 $FILTER_LIST \
2991 $INDEV_LIST \
2992 $OUTDEV_LIST \
2993 $PROTOCOL_LIST \
2994 $ACODEC_TESTS \
2995 $VCODEC_TESTS \
2996 $LAVF_TESTS \
2997 $LAVFI_TESTS \
2998 $SEEK_TESTS \
2999
3000 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3001
3002 echo "install prefix $prefix"
3003 echo "source path $source_path"
3004 echo "C compiler $cc"
3005 echo "ARCH $arch ($cpu)"
3006 if test "$build_suffix" != ""; then
3007 echo "build suffix $build_suffix"
3008 fi
3009 if test "$extra_version" != ""; then
3010 echo "version string suffix $extra_version"
3011 fi
3012 echo "big-endian ${bigendian-no}"
3013 echo "runtime cpu detection ${runtime_cpudetect-no}"
3014 if enabled x86; then
3015 echo "yasm ${yasm-no}"
3016 echo "MMX enabled ${mmx-no}"
3017 echo "MMX2 enabled ${mmx2-no}"
3018 echo "3DNow! enabled ${amd3dnow-no}"
3019 echo "3DNow! extended enabled ${amd3dnowext-no}"
3020 echo "SSE enabled ${sse-no}"
3021 echo "SSSE3 enabled ${ssse3-no}"
3022 echo "CMOV enabled ${cmov-no}"
3023 echo "CMOV is fast ${fast_cmov-no}"
3024 echo "EBX available ${ebx_available-no}"
3025 echo "EBP available ${ebp_available-no}"
3026 echo "10 operands supported ${ten_operands-no}"
3027 fi
3028 if enabled arm; then
3029 echo "ARMv5TE enabled ${armv5te-no}"
3030 echo "ARMv6 enabled ${armv6-no}"
3031 echo "ARMv6T2 enabled ${armv6t2-no}"
3032 echo "ARM VFP enabled ${armvfp-no}"
3033 echo "IWMMXT enabled ${iwmmxt-no}"
3034 echo "NEON enabled ${neon-no}"
3035 fi
3036 if enabled mips; then
3037 echo "MMI enabled ${mmi-no}"
3038 fi
3039 if enabled ppc; then
3040 echo "AltiVec enabled ${altivec-no}"
3041 echo "PPC 4xx optimizations ${ppc4xx-no}"
3042 echo "dcbzl available ${dcbzl-no}"
3043 fi
3044 if enabled sparc; then
3045 echo "VIS enabled ${vis-no}"
3046 fi
3047 echo "debug symbols ${debug-no}"
3048 echo "strip symbols ${stripping-no}"
3049 echo "optimizations ${optimizations-no}"
3050 echo "static ${static-no}"
3051 echo "shared ${shared-no}"
3052 echo "postprocessing support ${postproc-no}"
3053 echo "new filter support ${avfilter-no}"
3054 echo "network support ${network-no}"
3055 echo "threading support ${thread_type-no}"
3056 echo "SDL support ${sdl-no}"
3057 echo "Sun medialib support ${mlib-no}"
3058 echo "AVISynth enabled ${avisynth-no}"
3059 echo "frei0r enabled ${frei0r-no}"
3060 echo "libdc1394 support ${libdc1394-no}"
3061 echo "libdirac enabled ${libdirac-no}"
3062 echo "libfaac enabled ${libfaac-no}"
3063 echo "libgsm enabled ${libgsm-no}"
3064 echo "libmp3lame enabled ${libmp3lame-no}"
3065 echo "libnut enabled ${libnut-no}"
3066 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3067 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3068 echo "libopencv support ${libopencv-no}"
3069 echo "libopenjpeg enabled ${libopenjpeg-no}"
3070 echo "librtmp enabled ${librtmp-no}"
3071 echo "libschroedinger enabled ${libschroedinger-no}"
3072 echo "libspeex enabled ${libspeex-no}"
3073 echo "libtheora enabled ${libtheora-no}"
3074 echo "libvorbis enabled ${libvorbis-no}"
3075 echo "libvpx enabled ${libvpx-no}"
3076 echo "libx264 enabled ${libx264-no}"
3077 echo "libxavs enabled ${libxavs-no}"
3078 echo "libxvid enabled ${libxvid-no}"
3079 echo "zlib enabled ${zlib-no}"
3080 echo "bzlib enabled ${bzlib-no}"
3081 echo
3082
3083 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3084 echo "Enabled ${type}s:"
3085 eval list=\$$(toupper $type)_LIST
3086 print_enabled '_*' $list | sort | pr -3 -t
3087 echo
3088 done
3089
3090 license="LGPL version 2.1 or later"
3091 if enabled nonfree; then
3092 license="nonfree and unredistributable"
3093 elif enabled gplv3; then
3094 license="GPL version 3 or later"
3095 elif enabled lgplv3; then
3096 license="LGPL version 3 or later"
3097 elif enabled gpl; then
3098 license="GPL version 2 or later"
3099 fi
3100
3101 echo "License: $license"
3102
3103 echo "Creating config.mak and config.h..."
3104
3105 # build tree in object directory if source path is different from current one
3106 if enabled source_path_used; then
3107 DIRS="
3108 doc
3109 libavcodec
3110 libavcodec/$arch
3111 libavcore
3112 libavdevice
3113 libavfilter
3114 libavfilter/$arch
3115 libavformat
3116 libavutil
3117 libavutil/$arch
3118 libpostproc
3119 libswscale
3120 libswscale/$arch
3121 tests
3122 tools
3123 "
3124 FILES="
3125 Makefile
3126 common.mak
3127 subdir.mak
3128 doc/texi2pod.pl
3129 libavcodec/Makefile
3130 libavcodec/${arch}/Makefile
3131 libavcore/Makefile
3132 libavdevice/Makefile
3133 libavfilter/Makefile
3134 libavfilter/${arch}/Makefile
3135 libavformat/Makefile
3136 libavutil/Makefile
3137 libpostproc/Makefile
3138 libswscale/Makefile
3139 "
3140 map 'mkdir -p $v' $DIRS;
3141 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3142 fi
3143
3144 enabled stripping || strip="echo skipping strip"
3145
3146 config_files="$TMPH config.mak"
3147
3148 cat > config.mak <<EOF
3149 # Automatically generated by configure - do not modify!
3150 ifndef FFMPEG_CONFIG_MAK
3151 FFMPEG_CONFIG_MAK=1
3152 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3153 prefix=$prefix
3154 LIBDIR=\$(DESTDIR)$libdir
3155 SHLIBDIR=\$(DESTDIR)$shlibdir
3156 INCDIR=\$(DESTDIR)$incdir
3157 BINDIR=\$(DESTDIR)$bindir
3158 DATADIR=\$(DESTDIR)$datadir
3159 MANDIR=\$(DESTDIR)$mandir
3160 SRC_PATH="$source_path"
3161 SRC_PATH_BARE=$source_path
3162 BUILD_ROOT="$PWD"
3163 CC_IDENT=$cc_ident
3164 ARCH=$arch
3165 CC=$cc
3166 AS=$as
3167 LD=$ld
3168 DEPCC=$dep_cc
3169 YASM=$yasmexe
3170 YASMDEP=$yasmexe
3171 AR=$ar
3172 RANLIB=$ranlib
3173 CP=cp -p
3174 LN_S=$ln_s
3175 STRIP=$strip
3176 CPPFLAGS=$CPPFLAGS
3177 CFLAGS=$CFLAGS
3178 ASFLAGS=$ASFLAGS
3179 CC_O=$CC_O
3180 LDFLAGS=$LDFLAGS
3181 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3182 SHFLAGS=$SHFLAGS
3183 YASMFLAGS=$YASMFLAGS
3184 BUILDSUF=$build_suffix
3185 FULLNAME=$FULLNAME
3186 LIBPREF=$LIBPREF
3187 LIBSUF=$LIBSUF
3188 LIBNAME=$LIBNAME
3189 SLIBPREF=$SLIBPREF
3190 SLIBSUF=$SLIBSUF
3191 EXESUF=$EXESUF
3192 EXTRA_VERSION=$extra_version
3193 DEPFLAGS=$DEPFLAGS
3194 CCDEP=$CCDEP
3195 ASDEP=$ASDEP
3196 CC_DEPFLAGS=$CC_DEPFLAGS
3197 AS_DEPFLAGS=$AS_DEPFLAGS
3198 HOSTCC=$host_cc
3199 HOSTCFLAGS=$host_cflags
3200 HOSTEXESUF=$HOSTEXESUF
3201 HOSTLDFLAGS=$host_ldflags
3202 HOSTLIBS=$host_libs
3203 TARGET_EXEC=$target_exec
3204 TARGET_PATH=$target_path
3205 SDL_LIBS=$sdl_libs
3206 SDL_CFLAGS=$sdl_cflags
3207 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3208 EXTRALIBS=$extralibs
3209 INSTALL=install
3210 LIBTARGET=${LIBTARGET}
3211 SLIBNAME=${SLIBNAME}
3212 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3213 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3214 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3215 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3216 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3217 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3218 SAMPLES=$samples
3219 EOF
3220
3221 get_version(){
3222 name=$1
3223 file=$source_path/$2
3224 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3225 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3226 lcname=$(tolower $name)
3227 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3228 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3229 }
3230
3231 get_version LIBSWSCALE libswscale/swscale.h
3232 get_version LIBPOSTPROC libpostproc/postprocess.h
3233 get_version LIBAVCODEC libavcodec/avcodec.h
3234 get_version LIBAVCORE libavcore/avcore.h
3235 get_version LIBAVDEVICE libavdevice/avdevice.h
3236 get_version LIBAVFORMAT libavformat/avformat.h
3237 get_version LIBAVUTIL libavutil/avutil.h
3238 get_version LIBAVFILTER libavfilter/avfilter.h
3239
3240 cat > $TMPH <<EOF
3241 /* Automatically generated by configure - do not modify! */
3242 #ifndef FFMPEG_CONFIG_H
3243 #define FFMPEG_CONFIG_H
3244 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3245 #define FFMPEG_LICENSE "$(c_escape $license)"
3246 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3247 #define CC_TYPE "$cc_type"
3248 #define CC_VERSION $cc_version
3249 #define restrict $_restrict
3250 #define EXTERN_PREFIX "${extern_prefix}"
3251 #define EXTERN_ASM ${extern_prefix}
3252 #define SLIBSUF "$SLIBSUF"
3253 EOF
3254
3255 test -n "$malloc_prefix" &&
3256 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3257
3258 if enabled small || disabled optimizations; then
3259 echo "#undef av_always_inline" >> $TMPH
3260 if enabled small; then
3261 echo "#define av_always_inline inline" >> $TMPH
3262 else
3263 echo "#define av_always_inline av_unused" >> $TMPH
3264 fi
3265 fi
3266
3267 if enabled yasm; then
3268 append config_files $TMPASM
3269 printf '' >$TMPASM
3270 fi
3271
3272 print_config ARCH_ "$config_files" $ARCH_LIST
3273 print_config HAVE_ "$config_files" $HAVE_LIST
3274 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3275 $CONFIG_EXTRA \
3276 $DECODER_LIST \
3277 $ENCODER_LIST \
3278 $HWACCEL_LIST \
3279 $PARSER_LIST \
3280 $BSF_LIST \
3281 $DEMUXER_LIST \
3282 $MUXER_LIST \
3283 $FILTER_LIST \
3284 $PROTOCOL_LIST \
3285 $INDEV_LIST \
3286 $OUTDEV_LIST \
3287
3288 cat >>config.mak <<EOF
3289 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3290 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3291 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3292 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3293 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3294 EOF
3295
3296 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3297 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3298
3299 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3300 cp_if_changed $TMPH config.h
3301 touch .config
3302
3303 enabled yasm && cp_if_changed $TMPASM config.asm
3304
3305 cat > $TMPH <<EOF
3306 /* Generated by ffconf */
3307 #ifndef AVUTIL_AVCONFIG_H
3308 #define AVUTIL_AVCONFIG_H
3309 EOF
3310
3311 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3312
3313 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3314
3315 cp_if_changed $TMPH libavutil/avconfig.h
3316
3317 test -n "$WARNINGS" && printf "\n$WARNINGS"
3318
3319 # build pkg-config files
3320
3321 pkgconfig_generate(){
3322 name=$1
3323 shortname=${name#lib}${build_suffix}
3324 comment=$2
3325 version=$3
3326 libs=$4
3327 requires=$5
3328 enabled ${name#lib} || return 0
3329 cat <<EOF > $name/$name.pc
3330 prefix=$prefix
3331 exec_prefix=\${prefix}
3332 libdir=$libdir
3333 includedir=$incdir
3334
3335 Name: $name
3336 Description: $comment
3337 Version: $version
3338 Requires: $(enabled shared || echo $requires)
3339 Requires.private: $(enabled shared && echo $requires)
3340 Conflicts:
3341 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3342 Libs.private: $(enabled shared && echo $libs)
3343 Cflags: -I\${includedir}
3344 EOF
3345 cat <<EOF > $name/$name-uninstalled.pc
3346 prefix=
3347 exec_prefix=
3348 libdir=\${pcfiledir}
3349 includedir=${source_path}
3350
3351 Name: $name
3352 Description: $comment
3353 Version: $version
3354 Requires: $requires
3355 Conflicts:
3356 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3357 Cflags: -I\${includedir}
3358 EOF
3359 }
3360
3361 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3362 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3363 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3364 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3365 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3366 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3367 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3368 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"