Make demuxers auto-select parsers they need
[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_select="ac3_parser"
1356 asf_stream_muxer_select="asf_muxer"
1357 avisynth_demuxer_deps="avisynth"
1358 dirac_demuxer_select="dirac_parser"
1359 eac3_demuxer_select="ac3_parser"
1360 flac_demuxer_select="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_select="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 ${1}_le_test_deps="!bigendian"
1455 }
1456
1457 test_deps _encoder _decoder \
1458 adpcm_g726=g726 \
1459 adpcm_ima_qt \
1460 adpcm_ima_wav \
1461 adpcm_ms \
1462 adpcm_swf \
1463 adpcm_yamaha=adpcm_yam \
1464 alac \
1465 asv1 \
1466 asv2 \
1467 bmp \
1468 dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1469 dvvideo="dv dv50" \
1470 ffv1 \
1471 flac \
1472 flashsv \
1473 flv \
1474 gif \
1475 h261 \
1476 h263="h263 h263p" \
1477 huffyuv \
1478 jpegls \
1479 mjpeg="jpg mjpeg ljpeg" \
1480 mp2 \
1481 mpeg1video="mpeg mpeg1b" \
1482 mpeg2video="mpeg2 mpeg2thread" \
1483 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1484 msmpeg4v3=msmpeg4 \
1485 msmpeg4v2 \
1486 pbm=pbmpipe \
1487 pcx \
1488 pgm="pgm pgmpipe" \
1489 png \
1490 ppm="ppm ppmpipe" \
1491 rawvideo="rgb yuv" \
1492 roq \
1493 rv10 \
1494 rv20 \
1495 sgi \
1496 snow="snow snowll" \
1497 svq1 \
1498 targa=tga \
1499 tiff \
1500 wmav1 \
1501 wmav2 \
1502 wmv1 \
1503 wmv2 \
1504
1505 test_deps _muxer _demuxer \
1506 aiff \
1507 pcm_alaw=alaw \
1508 asf \
1509 au \
1510 avi \
1511 dv=dv_fmt \
1512 ffm \
1513 flv=flv_fmt \
1514 gxf \
1515 matroska=mkv \
1516 mmf \
1517 mov \
1518 pcm_mulaw=mulaw \
1519 mxf \
1520 nut \
1521 ogg \
1522 rawvideo=pixfmt \
1523 rm \
1524 swf \
1525 mpegts=ts \
1526 voc \
1527 wav \
1528 yuv4mpegpipe=yuv4mpeg \
1529
1530 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1531 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1532
1533 set_ne_test_deps pixdesc
1534 set_ne_test_deps pixfmts_copy
1535 set_ne_test_deps pixfmts_crop
1536 set_ne_test_deps pixfmts_hflip
1537 set_ne_test_deps pixfmts_null
1538 set_ne_test_deps pixfmts_pad
1539 set_ne_test_deps pixfmts_scale
1540 set_ne_test_deps pixfmts_vflip
1541
1542 # default parameters
1543
1544 logfile="config.log"
1545
1546 # installation paths
1547 prefix_default="/usr/local"
1548 bindir_default='${prefix}/bin'
1549 datadir_default='${prefix}/share/ffmpeg'
1550 incdir_default='${prefix}/include'
1551 libdir_default='${prefix}/lib'
1552 mandir_default='${prefix}/share/man'
1553 shlibdir_default="$libdir_default"
1554
1555 # toolchain
1556 ar_default="ar"
1557 cc_default="gcc"
1558 cc_version=\"unknown\"
1559 host_cc_default="gcc"
1560 ln_s="ln -sf"
1561 nm_default="nm"
1562 objformat="elf"
1563 ranlib="ranlib"
1564 strip_default="strip"
1565 yasmexe="yasm"
1566 nogas=":"
1567
1568 nm_opts='-g'
1569
1570 # machine
1571 arch_default=$(uname -m)
1572 cpu="generic"
1573
1574 # OS
1575 target_os_default=$(tolower $(uname -s))
1576 host_os=$target_os_default
1577
1578 # configurable options
1579 enable avcodec
1580 enable avcore
1581 enable avdevice
1582 enable avfilter
1583 enable avformat
1584 enable avutil
1585 enable asm
1586 enable debug
1587 enable doc
1588 enable fastdiv
1589 enable ffmpeg
1590 enable ffplay
1591 enable ffprobe
1592 enable ffserver
1593 enable mpegaudio_hp
1594 enable network
1595 enable optimizations
1596 enable protocols
1597 enable static
1598 enable stripping
1599 enable swscale
1600 enable swscale_alpha
1601
1602 # build settings
1603 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1604 FFSERVERLDFLAGS=-Wl,-E
1605 LIBPREF="lib"
1606 LIBSUF=".a"
1607 FULLNAME='$(NAME)$(BUILDSUF)'
1608 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1609 SLIBPREF="lib"
1610 SLIBSUF=".so"
1611 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1612 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1613 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1614 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1615
1616 CC_O='-o $@'
1617
1618 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1619 host_libs='-lm'
1620
1621 target_path='$(CURDIR)'
1622
1623 # since the object filename is not given with the -MM flag, the compiler
1624 # is only able to print the basename, and we must add the path ourselves
1625 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1626 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1627
1628 # find source path
1629 source_path="$(dirname "$0")"
1630 enable source_path_used
1631 if test -f configure; then
1632 source_path="$(pwd)"
1633 disable source_path_used
1634 else
1635 source_path="$(cd "$source_path"; pwd)"
1636 echo "$source_path" | grep -q '[[:blank:]]' &&
1637 die "Out of tree builds are impossible with whitespace in source path."
1638 test -e "$source_path/config.h" &&
1639 die "Out of tree builds are impossible with config.h in source dir."
1640 fi
1641
1642 for v in "$@"; do
1643 r=${v#*=}
1644 l=${v%"$r"}
1645 r=$(sh_quote "$r")
1646 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1647 done
1648
1649 find_things(){
1650 thing=$1
1651 pattern=$2
1652 file=$source_path/$3
1653 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1654 }
1655
1656 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1657 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1658 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1659 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1660 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1661 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1662 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1663 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1664 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1665 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1666 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1667
1668 find_tests(){
1669 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1670 }
1671
1672 ACODEC_TESTS=$(find_tests acodec)
1673 VCODEC_TESTS=$(find_tests vsynth1)
1674 LAVF_TESTS=$(find_tests lavf)
1675 LAVFI_TESTS=$(find_tests lavfi)
1676 SEEK_TESTS=$(find_tests seek seek_)
1677
1678 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1679
1680 for n in $COMPONENT_LIST; do
1681 v=$(toupper ${n%s})_LIST
1682 eval enable \$$v
1683 eval ${n}_if_any="\$$v"
1684 done
1685
1686 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1687
1688 die_unknown(){
1689 echo "Unknown option \"$1\"."
1690 echo "See $0 --help for available options."
1691 exit 1
1692 }
1693
1694 show_list() {
1695 suffix=_$1
1696 shift
1697 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1698 exit 0
1699 }
1700
1701 for opt do
1702 optval="${opt#*=}"
1703 case "$opt" in
1704 --extra-ldflags=*) add_ldflags $optval
1705 ;;
1706 --extra-libs=*) add_extralibs $optval
1707 ;;
1708 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1709 ;;
1710 --enable-debug=*) debuglevel="$optval"
1711 ;;
1712 --disable-everything)
1713 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1714 ;;
1715 --enable-*=*|--disable-*=*)
1716 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1717 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1718 eval list=\$$(toupper $thing)_LIST
1719 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1720 $action $(filter "$name" $list)
1721 ;;
1722 --enable-?*|--disable-?*)
1723 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1724 if is_in $option $COMPONENT_LIST; then
1725 test $action = disable && action=unset
1726 eval $action \$$(toupper ${option%s})_LIST
1727 elif is_in $option $CMDLINE_SELECT; then
1728 $action $option
1729 else
1730 die_unknown $opt
1731 fi
1732 ;;
1733 --list-*)
1734 NAME="${opt#--list-}"
1735 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1736 NAME=${NAME%s}
1737 eval show_list $NAME \$$(toupper $NAME)_LIST
1738 ;;
1739 --help|-h) show_help
1740 ;;
1741 *)
1742 optname="${opt%%=*}"
1743 optname="${optname#--}"
1744 optname=$(echo "$optname" | sed 's/-/_/g')
1745 if is_in $optname $CMDLINE_SET; then
1746 eval $optname='$optval'
1747 elif is_in $optname $CMDLINE_APPEND; then
1748 append $optname "$optval"
1749 else
1750 die_unknown $opt
1751 fi
1752 ;;
1753 esac
1754 done
1755
1756 disabled logging && logfile=/dev/null
1757
1758 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1759 set >> $logfile
1760
1761 test -n "$cross_prefix" && enable cross_compile
1762
1763 if enabled cross_compile; then
1764 test -n "$arch" && test -n "$target_os" ||
1765 die "Must specify target arch and OS when cross-compiling"
1766 fi
1767
1768 set_default arch target_os
1769
1770 ar_default="${cross_prefix}${ar_default}"
1771 cc_default="${cross_prefix}${cc_default}"
1772 nm_default="${cross_prefix}${nm_default}"
1773 ranlib="${cross_prefix}${ranlib}"
1774 strip_default="${cross_prefix}${strip_default}"
1775
1776 sysinclude_default="${sysroot}/usr/include"
1777
1778 set_default cc nm strip sysinclude
1779 enabled cross_compile || host_cc_default=$cc
1780 set_default host_cc
1781
1782 exesuf() {
1783 case $1 in
1784 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1785 esac
1786 }
1787
1788 EXESUF=$(exesuf $target_os)
1789 HOSTEXESUF=$(exesuf $host_os)
1790
1791 # set temporary file name
1792 : ${TMPDIR:=$TEMPDIR}
1793 : ${TMPDIR:=$TMP}
1794 : ${TMPDIR:=/tmp}
1795
1796 if ! check_cmd mktemp -u; then
1797 # simple replacement for missing mktemp
1798 # NOT SAFE FOR GENERAL USE
1799 mktemp(){
1800 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1801 }
1802 fi
1803
1804 tmpfile(){
1805 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1806 (set -C; exec > $tmp) 2>/dev/null ||
1807 die "Unable to create temporary file in $TMPDIR."
1808 append TMPFILES $tmp
1809 eval $1=$tmp
1810 }
1811
1812 trap 'rm -f -- $TMPFILES' EXIT
1813 trap exit HUP INT TERM
1814
1815 tmpfile TMPC .c
1816 tmpfile TMPE $EXESUF
1817 tmpfile TMPH .h
1818 tmpfile TMPO .o
1819 tmpfile TMPS .S
1820 tmpfile TMPV .ver
1821 tmpfile TMPSH .sh
1822 tmpfile TMPASM .asm
1823
1824 unset -f mktemp
1825
1826 chmod +x $TMPE
1827
1828 # make sure we can execute files in $TMPDIR
1829 cat > $TMPSH 2>> $logfile <<EOF
1830 #! /bin/sh
1831 EOF
1832 chmod +x $TMPSH >> $logfile 2>&1
1833 if ! $TMPSH >> $logfile 2>&1; then
1834 cat <<EOF
1835 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1836 variable to another directory and make sure that it is not mounted noexec.
1837 EOF
1838 die "Sanity test failed."
1839 fi
1840
1841 filter_cflags=echo
1842 filter_cppflags=echo
1843 filter_asflags=echo
1844
1845 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1846 cc_type=llvm_gcc
1847 cc_version=__VERSION__
1848 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1849 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1850 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1851 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1852 speed_cflags='-O3'
1853 size_cflags='-Os'
1854 elif $cc -v 2>&1 | grep -qi ^gcc; then
1855 cc_type=gcc
1856 cc_version=__VERSION__
1857 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1858 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1859 if ! $cc -dumpversion | grep -q '^2\.'; then
1860 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1861 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1862 fi
1863 speed_cflags='-O3'
1864 size_cflags='-Os'
1865 elif $cc --version 2>/dev/null | grep -q Intel; then
1866 cc_type=icc
1867 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1868 cc_ident=$($cc --version | head -n1)
1869 icc_version=$($cc -dumpversion)
1870 CC_DEPFLAGS='-MMD'
1871 AS_DEPFLAGS='-MMD'
1872 speed_cflags='-O3'
1873 size_cflags='-Os'
1874 noopt_cflags='-O1'
1875 elif $cc -v 2>&1 | grep -q xlc; then
1876 cc_type=xlc
1877 cc_version="AV_STRINGIFY(__IBMC__)"
1878 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1879 speed_cflags='-O5'
1880 size_cflags='-O5 -qcompact'
1881 elif $cc -V 2>/dev/null | grep -q Compaq; then
1882 cc_type=ccc
1883 cc_version="AV_STRINGIFY(__DECC_VER)"
1884 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1885 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1886 debuglevel=3
1887 add_ldflags -Wl,-z,now # calls to libots crash without this
1888 speed_cflags='-fast'
1889 size_cflags='-O1'
1890 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1891 test -d "$sysroot" || die "No valid sysroot specified."
1892 cc_type=armcc
1893 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1894 cc_ident=$($cc --vsn | head -n1)
1895 armcc_conf="$PWD/armcc.conf"
1896 $cc --arm_linux_configure \
1897 --arm_linux_config_file="$armcc_conf" \
1898 --configure_sysroot="$sysroot" \
1899 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1900 die "Error creating armcc configuration file."
1901 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1902 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1903 as_default="${cross_prefix}gcc"
1904 CC_DEPFLAGS='-MMD'
1905 AS_DEPFLAGS='-MMD'
1906 speed_cflags='-O3'
1907 size_cflags='-Os'
1908 elif $cc -version 2>/dev/null | grep -q TMS470; then
1909 cc_type=tms470
1910 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1911 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1912 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1913 CC_O='-fr=$(@D)'
1914 as_default="${cross_prefix}gcc"
1915 ld_default="${cross_prefix}gcc"
1916 TMPO=$(basename $TMPC .c).o
1917 append TMPFILES $TMPO
1918 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1919 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1920 AS_DEPFLAGS='-MMD'
1921 speed_cflags='-O3 -mf=5'
1922 size_cflags='-O3 -mf=2'
1923 filter_cflags=tms470_flags
1924 tms470_flags(){
1925 for flag; do
1926 case $flag in
1927 -march=*|-mcpu=*)
1928 case "${flag#*=}" in
1929 armv7-a|cortex-a*) echo -mv=7a8 ;;
1930 armv7-r|cortex-r*) echo -mv=7r4 ;;
1931 armv7-m|cortex-m*) echo -mv=7m3 ;;
1932 armv6*|arm11*) echo -mv=6 ;;
1933 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1934 echo -mv=5e ;;
1935 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1936 esac
1937 ;;
1938 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1939 -mfpu=vfp) echo --float_support=vfpv2 ;;
1940 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1941 -msoft-float) echo --float_support=vfplib ;;
1942 -O[0-3]|-mf=*) echo $flag ;;
1943 -g) echo -g -mn ;;
1944 -pds=*) echo $flag ;;
1945 esac
1946 done
1947 }
1948 elif $cc -v 2>&1 | grep -q clang; then
1949 cc_type=clang
1950 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1951 cc_version=__clang_version__ || cc_version=__VERSION__
1952 cc_ident=$($cc --version | head -n1)
1953 CC_DEPFLAGS='-MMD'
1954 AS_DEPFLAGS='-MMD'
1955 speed_cflags='-O3'
1956 size_cflags='-Os'
1957 elif $cc -V 2>&1 | grep -q Sun; then
1958 cc_type=suncc
1959 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1960 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1961 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1962 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1963 speed_cflags='-O5'
1964 size_cflags='-O5 -xspace'
1965 filter_cflags=suncc_flags
1966 suncc_flags(){
1967 for flag; do
1968 case $flag in
1969 -march=*|-mcpu=*)
1970 case "${flag#*=}" in
1971 native) echo -xtarget=native ;;
1972 v9|niagara) echo -xarch=sparc ;;
1973 ultrasparc) echo -xarch=sparcvis ;;
1974 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1975 i586|pentium) echo -xchip=pentium ;;
1976 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1977 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1978 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1979 pentium4*) echo -xtarget=pentium4 ;;
1980 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1981 *-sse3) echo -xarch=sse3 ;;
1982 core2) echo -xarch=ssse3 -xchip=core2 ;;
1983 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1984 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1985 k8|opteron|athlon64|athlon-fx)
1986 echo -xarch=sse2a ;;
1987 athlon*) echo -xarch=pentium_proa ;;
1988 esac
1989 ;;
1990 -std=c99) echo -xc99 ;;
1991 -fomit-frame-pointer) echo -xregs=frameptr ;;
1992 -fPIC) echo -KPIC -xcode=pic32 ;;
1993 -W*,*) echo $flag ;;
1994 -f*-*|-W*) ;;
1995 *) echo $flag ;;
1996 esac
1997 done
1998 }
1999 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2000 cc_type=pathscale
2001 cc_version=__PATHSCALE__
2002 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2003 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2005 speed_cflags='-O2'
2006 size_cflags='-Os'
2007 elif $cc -v 2>&1 | grep -q Open64; then
2008 cc_type=open64
2009 cc_version=__OPEN64__
2010 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2011 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2012 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2013 speed_cflags='-O2'
2014 size_cflags='-Os'
2015 fi
2016
2017 test -n "$cc_type" && enable $cc_type ||
2018 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2019
2020 : ${as_default:=$cc}
2021 : ${dep_cc_default:=$cc}
2022 : ${ld_default:=$cc}
2023 set_default ar as dep_cc ld
2024
2025 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2026 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2027
2028 add_cflags $extra_cflags
2029 add_asflags $extra_cflags
2030
2031 if test -n "$sysroot"; then
2032 case "$cc_type" in
2033 gcc|llvm_gcc)
2034 add_cppflags --sysroot="$sysroot"
2035 add_ldflags --sysroot="$sysroot"
2036 ;;
2037 tms470)
2038 add_cppflags -I"$sysinclude"
2039 add_ldflags --sysroot="$sysroot"
2040 ;;
2041 clang)
2042 add_cppflags -isysroot "$sysroot"
2043 add_ldflags -isysroot "$sysroot"
2044 ;;
2045 esac
2046 fi
2047
2048 if test "$cpu" = host; then
2049 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2050
2051 case "$cc_type" in
2052 gcc|llvm_gcc)
2053 check_native(){
2054 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2055 sed -n "/$1=/{
2056 s/.*$1=\\([^ ]*\\).*/\\1/
2057 p
2058 q
2059 }" $TMPE
2060 }
2061 cpu=$(check_native -march || check_native -mcpu)
2062 ;;
2063 esac
2064
2065 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2066 fi
2067
2068 # Deal with common $arch aliases
2069 case "$arch" in
2070 arm*)
2071 arch="arm"
2072 ;;
2073 mips|mipsel|IP*)
2074 arch="mips"
2075 ;;
2076 mips64*)
2077 arch="mips"
2078 subarch="mips64"
2079 ;;
2080 parisc|hppa)
2081 arch="parisc"
2082 ;;
2083 parisc64|hppa64)
2084 arch="parisc"
2085 subarch="parisc64"
2086 ;;
2087 "Power Macintosh"|ppc|powerpc)
2088 arch="ppc"
2089 ;;
2090 ppc64|powerpc64)
2091 arch="ppc"
2092 subarch="ppc64"
2093 ;;
2094 s390|s390x)
2095 arch="s390"
2096 ;;
2097 sh4|sh)
2098 arch="sh4"
2099 ;;
2100 sun4u|sparc64)
2101 arch="sparc"
2102 subarch="sparc64"
2103 ;;
2104 i[3-6]86|i86pc|BePC|x86_64|amd64)
2105 arch="x86"
2106 ;;
2107 esac
2108
2109 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2110 enable $arch
2111
2112 # Add processor-specific flags
2113 if test "$cpu" = generic; then
2114 : do nothing
2115 elif enabled ppc; then
2116
2117 case $(tolower $cpu) in
2118 601|ppc601|powerpc601)
2119 cpuflags="-mcpu=601"
2120 disable altivec
2121 ;;
2122 603*|ppc603*|powerpc603*)
2123 cpuflags="-mcpu=603"
2124 disable altivec
2125 ;;
2126 604*|ppc604*|powerpc604*)
2127 cpuflags="-mcpu=604"
2128 disable altivec
2129 ;;
2130 g3|75*|ppc75*|powerpc75*)
2131 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2132 disable altivec
2133 ;;
2134 g4|745*|ppc745*|powerpc745*)
2135 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2136 ;;
2137 74*|ppc74*|powerpc74*)
2138 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2139 ;;
2140 g5|970|ppc970|powerpc970|power4*)
2141 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2142 ;;
2143 cell)
2144 cpuflags="-mcpu=cell"
2145 enable ldbrx
2146 ;;
2147 e500v2)
2148 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2149 disable altivec
2150 ;;
2151 e500)
2152 cpuflags="-mcpu=8540 -mhard-float"
2153 disable altivec
2154 ;;
2155 esac
2156
2157 elif enabled x86; then
2158
2159 case $cpu in
2160 i[345]86|pentium)
2161 cpuflags="-march=$cpu"
2162 disable mmx
2163 ;;
2164 # targets that do NOT support conditional mov (cmov)
2165 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2166 cpuflags="-march=$cpu"
2167 disable cmov
2168 ;;
2169 # targets that do support conditional mov (cmov)
2170 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2171 cpuflags="-march=$cpu"
2172 enable cmov
2173 enable fast_cmov
2174 ;;
2175 # targets that do support conditional mov but on which it's slow
2176 pentium4|pentium4m|prescott|nocona)
2177 cpuflags="-march=$cpu"
2178 enable cmov
2179 disable fast_cmov
2180 ;;
2181 esac
2182
2183 elif enabled sparc; then
2184
2185 case $cpu in
2186 niagara)
2187 cpuflags="-mcpu=$cpu"
2188 disable vis
2189 ;;
2190 sparc64)
2191 cpuflags="-mcpu=v9"
2192 ;;
2193 esac
2194
2195 elif enabled arm; then
2196
2197 case $cpu in
2198 armv*)
2199 cpuflags="-march=$cpu"
2200 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2201 ;;
2202 *)
2203 cpuflags="-mcpu=$cpu"
2204 case $cpu in
2205 cortex-a*) subarch=armv7a ;;
2206 cortex-r*) subarch=armv7r ;;
2207 cortex-m*) subarch=armv7m ;;
2208 arm11*) subarch=armv6 ;;
2209 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2210 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2211 esac
2212 ;;
2213 esac
2214
2215 elif enabled alpha; then
2216
2217 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2218
2219 elif enabled bfin; then
2220
2221 cpuflags="-mcpu=$cpu"
2222
2223 elif enabled mips; then
2224
2225 cpuflags="-march=$cpu"
2226
2227 elif enabled avr32; then
2228
2229 case $cpu in
2230 ap7[02]0[0-2])
2231 subarch="avr32_ap"
2232 cpuflags="-mpart=$cpu"
2233 ;;
2234 ap)
2235 subarch="avr32_ap"
2236 cpuflags="-march=$cpu"
2237 ;;
2238 uc3[ab]*)
2239 subarch="avr32_uc"
2240 cpuflags="-mcpu=$cpu"
2241 ;;
2242 uc)
2243 subarch="avr32_uc"
2244 cpuflags="-march=$cpu"
2245 ;;
2246 esac
2247
2248 fi
2249
2250 add_cflags $cpuflags
2251 add_asflags $cpuflags
2252
2253 # compiler sanity check
2254 check_exec <<EOF
2255 int main(void){ return 0; }
2256 EOF
2257 if test "$?" != 0; then
2258 echo "$cc is unable to create an executable file."
2259 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2260 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2261 echo "Only do this if you know what cross compiling means."
2262 fi
2263 die "C compiler test failed."
2264 fi
2265
2266 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2267 check_cflags -std=c99
2268 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2269 #include <stdlib.h>
2270 EOF
2271 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2272 #include <stdlib.h>
2273 EOF
2274
2275 check_host_cflags -std=c99
2276
2277 case "$arch" in
2278 alpha|ia64|mips|parisc|sparc)
2279 spic=$shared
2280 ;;
2281 x86)
2282 subarch="x86_32"
2283 check_cc <<EOF && subarch="x86_64"
2284 int test[(int)sizeof(char*) - 7];
2285 EOF
2286 if test "$subarch" = "x86_64"; then
2287 spic=$shared
2288 fi
2289 ;;
2290 esac
2291
2292 enable $subarch
2293 enabled spic && enable pic
2294
2295 # OS specific
2296 case $target_os in
2297 haiku)
2298 prefix_default="/boot/common"
2299 network_extralibs="-lnetwork"
2300 ;;
2301 sunos)
2302 FFSERVERLDFLAGS=""
2303 SHFLAGS='-shared -Wl,-h,$$(@F)'
2304 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2305 network_extralibs="-lsocket -lnsl"
2306 add_cppflags -D__EXTENSIONS__
2307 nm_opts='-P -g'
2308 ;;
2309 netbsd)
2310 oss_indev_extralibs="-lossaudio"
2311 oss_outdev_extralibs="-lossaudio"
2312 add_cppflags -D_XOPEN_SOURCE=600
2313 ;;
2314 openbsd)
2315 enable malloc_aligned
2316 # On OpenBSD 4.5. the compiler does not use PIC unless
2317 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2318 # however the generated executable will not do anything
2319 # (simply quits with exit-code 1, no crash, no output).
2320 # Thus explicitly enable PIC here.
2321 enable pic
2322 SHFLAGS='-shared'
2323 oss_indev_extralibs="-lossaudio"
2324 oss_outdev_extralibs="-lossaudio"
2325 ;;
2326 freebsd|dragonfly)
2327 enable malloc_aligned
2328 ;;
2329 bsd/os)
2330 add_extralibs -lpoll -lgnugetopt
2331 strip="strip -d"
2332 ;;
2333 darwin)
2334 enable malloc_aligned
2335 gas="gas-preprocessor.pl $cc"
2336 enabled ppc && add_asflags -force_cpusubtype_ALL
2337 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2338 strip="${strip} -x"
2339 add_ldflags -Wl,-dynamic,-search_paths_first
2340 SLIBSUF=".dylib"
2341 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2342 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2343 FFSERVERLDFLAGS=-Wl,-bind_at_load
2344 objformat="macho"
2345 enabled x86_64 && objformat="macho64"
2346 enabled_any pic shared ||
2347 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2348 ;;
2349 mingw32*)
2350 if test $target_os = "mingw32ce"; then
2351 disable network
2352 else
2353 target_os=mingw32
2354 fi
2355 LIBTARGET=i386
2356 if enabled x86_64; then
2357 enable malloc_aligned
2358 LIBTARGET=x64
2359 elif enabled arm; then
2360 LIBTARGET=arm
2361 fi
2362 shlibdir_default="$bindir_default"
2363 disable ffserver
2364 SLIBPREF=""
2365 SLIBSUF=".dll"
2366 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2367 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2368 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2369 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2370 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2371 install -d "$(LIBDIR)"; \
2372 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2373 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2374 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'
2375 objformat="win32"
2376 enable dos_paths
2377 check_cflags -fno-common
2378 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2379 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2380 die "ERROR: MinGW runtime version must be >= 3.15."
2381 ;;
2382 cygwin*)
2383 target_os=cygwin
2384 shlibdir_default="$bindir_default"
2385 SLIBPREF="cyg"
2386 SLIBSUF=".dll"
2387 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2388 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2389 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2390 objformat="win32"
2391 enable dos_paths
2392 check_cflags -fno-common
2393 ;;
2394 *-dos|freedos|opendos)
2395 disable ffplay ffserver
2396 disable $INDEV_LIST $OUTDEV_LIST
2397 network_extralibs="-lsocket"
2398 objformat="coff"
2399 enable dos_paths
2400 ;;
2401 linux)
2402 enable dv1394
2403 ;;
2404 irix*)
2405 target_os=irix
2406 ranlib="echo ignoring ranlib"
2407 ;;
2408 os/2*)
2409 strip="lxlite"
2410 ln_s="cp -f"
2411 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2412 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2413 FFSERVERLDFLAGS=""
2414 LIBSUF="_s.a"
2415 SLIBPREF=""
2416 SLIBSUF=".dll"
2417 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2418 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2419 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2420 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2421 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2422 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2423 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2424 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2425 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2426 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2427 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2428 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2429 enable dos_paths
2430 ;;
2431 gnu/kfreebsd)
2432 ;;
2433 gnu)
2434 ;;
2435 none)
2436 ;;
2437 *)
2438 die "Unknown OS '$target_os'."
2439 ;;
2440 esac
2441
2442 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2443
2444 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2445
2446 set_default $PATHS_LIST
2447
2448 # we need to build at least one lib type
2449 if ! enabled_any static shared; then
2450 cat <<EOF
2451 At least one library type must be built.
2452 Specify --enable-static to build the static libraries or --enable-shared to
2453 build the shared libraries as well. To only build the shared libraries specify
2454 --disable-static in addition to --enable-shared.
2455 EOF
2456 exit 1;
2457 fi
2458
2459 disabled static && LIBNAME=""
2460
2461 die_license_disabled() {
2462 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2463 }
2464
2465 die_license_disabled gpl libx264
2466 die_license_disabled gpl libxavs
2467 die_license_disabled gpl libxvid
2468 die_license_disabled gpl postproc
2469 die_license_disabled gpl x11grab
2470
2471 die_license_disabled nonfree libfaac
2472
2473 die_license_disabled version3 libopencore_amrnb
2474 die_license_disabled version3 libopencore_amrwb
2475
2476 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2477
2478 check_deps $ARCH_EXT_LIST
2479
2480 disabled optimizations || check_cflags -fomit-frame-pointer
2481
2482 enable_pic() {
2483 enable pic
2484 add_cppflags -DPIC
2485 add_cflags -fPIC
2486 add_asflags -fPIC
2487 }
2488
2489 enabled pic && enable_pic
2490
2491 check_cc <<EOF || die "Symbol mangling check failed."
2492 int ff_extern;
2493 EOF
2494 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2495 extern_prefix=${sym%%ff_extern*}
2496
2497 check_cc <<EOF && enable inline_asm
2498 void foo(void) { __asm__ volatile ("" ::); }
2499 EOF
2500
2501 _restrict=
2502 for restrict_keyword in restrict __restrict__ __restrict; do
2503 check_cc <<EOF && _restrict=$restrict_keyword && break
2504 void foo(char * $restrict_keyword p);
2505 EOF
2506 done
2507
2508 check_cc <<EOF && enable attribute_packed
2509 struct { int x; } __attribute__((packed)) x;
2510 EOF
2511
2512 check_cc <<EOF && enable attribute_may_alias
2513 union { int x; } __attribute__((may_alias)) x;
2514 EOF
2515
2516 check_cc <<EOF || die "endian test failed"
2517 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2518 EOF
2519 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2520
2521 if enabled alpha; then
2522
2523 check_cflags -mieee
2524
2525 elif enabled arm; then
2526
2527 check_cflags -marm
2528 nogas=die
2529
2530 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2531 enable vfp_args
2532 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2533 case "${cross_prefix:-$cc}" in
2534 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2535 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2536 __asm__ (".eabi_attribute 28, 1");
2537 int main(void) { return 0; }
2538 EOF
2539 esac
2540 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2541 fi
2542
2543 # We have to check if pld is a nop and disable it.
2544 check_asm pld '"pld [r0]"'
2545
2546 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2547 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2548 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2549 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2550 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2551 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2552
2553 enabled_all armv6t2 shared !pic && enable_pic
2554
2555 elif enabled mips; then
2556
2557 check_asm loongson '"dmult.g $1, $2, $3"'
2558 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2559
2560 elif enabled ppc; then
2561
2562 enable local_aligned_8 local_aligned_16
2563
2564 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2565 check_asm ibm_asm '"add 0, 0, 0"'
2566 check_asm ppc4xx '"maclhw r10, r11, r12"'
2567 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2568
2569 # AltiVec flags: The FSF version of GCC differs from the Apple version
2570 if enabled altivec; then
2571 nogas=warn
2572 check_cflags -maltivec -mabi=altivec &&
2573 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2574 check_cflags -faltivec
2575
2576 # check if our compiler supports Motorola AltiVec C API
2577 check_cc <<EOF || disable altivec
2578 $inc_altivec_h
2579 int main(void) {
2580 vector signed int v1, v2, v3;
2581 v1 = vec_add(v2,v3);
2582 return 0;
2583 }
2584 EOF
2585
2586 # check if our compiler supports braces for vector declarations
2587 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2588 $inc_altivec_h
2589 int main (void) { (vector int) {1}; return 0; }
2590 EOF
2591 fi
2592
2593 elif enabled sparc; then
2594
2595 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2596 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2597
2598 elif enabled x86; then
2599
2600 enable local_aligned_8 local_aligned_16
2601
2602 # check whether EBP is available on x86
2603 # As 'i' is stored on the stack, this program will crash
2604 # if the base pointer is used to access it because the
2605 # base pointer is cleared in the inline assembly code.
2606 check_exec_crash <<EOF && enable ebp_available
2607 volatile int i=0;
2608 __asm__ volatile (
2609 "xorl %%ebp, %%ebp"
2610 ::: "%ebp");
2611 return i;
2612 EOF
2613
2614 # check whether EBX is available on x86
2615 check_asm ebx_available '""::"b"(0)' &&
2616 check_asm ebx_available '"":::"%ebx"'
2617
2618 # check whether xmm clobbers are supported
2619 check_asm xmm_clobbers '"":::"%xmm0"'
2620
2621 # check whether more than 10 operands are supported
2622 check_cc <<EOF && enable ten_operands
2623 int main(void) {
2624 int x=0;
2625 __asm__ volatile(
2626 ""
2627 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2628 );
2629 return 0;
2630 }
2631 EOF
2632
2633 # check whether binutils is new enough to compile SSSE3/MMX2
2634 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2635 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2636
2637 check_asm bswap '"bswap %%eax" ::: "%eax"'
2638
2639 if ! disabled_any asm mmx yasm; then
2640 if check_cmd $yasmexe --version; then
2641 enabled x86_64 && yasm_extra="-m amd64"
2642 yasm_debug="-g dwarf2"
2643 elif check_cmd nasm -v; then
2644 yasmexe=nasm
2645 yasm_debug="-g -F dwarf"
2646 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2647 fi
2648
2649 YASMFLAGS="-f $objformat $yasm_extra"
2650 enabled pic && append YASMFLAGS "-DPIC"
2651 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2652 case "$objformat" in
2653 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2654 esac
2655
2656 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2657 die "yasm not found, use --disable-yasm for a crippled build"
2658 fi
2659
2660 case "$cpu" in
2661 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2662 disable fast_clz
2663 ;;
2664 esac
2665
2666 fi
2667
2668 if enabled asm; then
2669 as=${gas:=$as}
2670 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2671 $nogas "GNU assembler not found, install gas-preprocessor"
2672 fi
2673
2674 if check_func dlopen; then
2675 ldl=
2676 elif check_func dlopen -ldl; then
2677 ldl=-ldl
2678 fi
2679
2680 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2681 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2682
2683 check_func fcntl
2684 check_func fork
2685 check_func getaddrinfo $network_extralibs
2686 check_func gethrtime
2687 check_func getrusage
2688 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2689 check_func inet_aton $network_extralibs
2690 check_func isatty
2691 check_func ${malloc_prefix}memalign && enable memalign
2692 check_func mkstemp
2693 check_func mmap
2694 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2695 check_func setrlimit
2696 check_func strerror_r
2697 check_func strtok_r
2698 check_func_headers io.h setmode
2699 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2700 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2701 check_func_headers windows.h GetProcessTimes
2702 check_func_headers windows.h MapViewOfFile
2703 check_func_headers windows.h VirtualAlloc
2704
2705 check_header conio.h
2706 check_header dlfcn.h
2707 check_header dxva2api.h
2708 check_header malloc.h
2709 check_header poll.h
2710 check_header sys/mman.h
2711 check_header sys/resource.h
2712 check_header sys/select.h
2713 check_header termios.h
2714 check_header vdpau/vdpau.h
2715 check_header vdpau/vdpau_x11.h
2716 check_header X11/extensions/XvMClib.h
2717
2718 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2719
2720 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2721 enabled_any $need_memalign ; then
2722 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2723 fi
2724
2725 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2726 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2727
2728 # check for some common methods of building with pthread support
2729 # do this before the optional library checks as some of them require pthreads
2730 if ! disabled pthreads && ! enabled w32threads; then
2731 enable pthreads
2732 if check_func pthread_create; then
2733 :
2734 elif check_func pthread_create -pthread; then
2735 add_cflags -pthread
2736 add_extralibs -pthread
2737 elif check_func pthread_create -pthreads; then
2738 add_cflags -pthreads
2739 add_extralibs -pthreads
2740 elif check_func pthread_create -lpthreadGC2; then
2741 add_extralibs -lpthreadGC2
2742 elif ! check_lib pthread.h pthread_create -lpthread; then
2743 disable pthreads
2744 fi
2745 fi
2746
2747 for thread in $THREADS_LIST; do
2748 if enabled $thread; then
2749 test -n "$thread_type" &&
2750 die "ERROR: Only one thread type must be selected." ||
2751 thread_type="$thread"
2752 fi
2753 done
2754
2755 check_lib math.h sin -lm
2756 disabled vaapi || check_lib va/va.h vaInitialize -lva
2757
2758 check_mathfunc exp2
2759 check_mathfunc exp2f
2760 check_mathfunc llrint
2761 check_mathfunc llrintf
2762 check_mathfunc log2
2763 check_mathfunc log2f
2764 check_mathfunc lrint
2765 check_mathfunc lrintf
2766 check_mathfunc round
2767 check_mathfunc roundf
2768 check_mathfunc truncf
2769
2770 # these are off by default, so fail if requested and not available
2771 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2772 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2773 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2774 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2775 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2776 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2777 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2778 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2779 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2780 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2781 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2782 enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2783 die "ERROR: libopencv not found"; }
2784 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2785 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2786 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2787 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2788 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2789 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2790 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2791 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2792 enabled libvpx && {
2793 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2794 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2795 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2796 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2797 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2798 { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2799 die "ERROR: libx264 version must be >= 0.99."; }
2800 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2801 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2802 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2803
2804 # libdc1394 check
2805 if enabled libdc1394; then
2806 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2807 enable libdc1394_2; } ||
2808 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2809 enable libdc1394_1; } ||
2810 die "ERROR: No version of libdc1394 found "
2811 fi
2812
2813 SDL_CONFIG="${cross_prefix}sdl-config"
2814 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2815 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2816 sdl_libs=$("${SDL_CONFIG}" --libs)
2817 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2818 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2819 enable sdl &&
2820 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2821 fi
2822
2823 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2824
2825 if enabled network; then
2826 check_type "sys/types.h sys/socket.h" socklen_t
2827 check_type netdb.h "struct addrinfo"
2828 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2829 check_type netinet/in.h "struct sockaddr_in6"
2830 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2831 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2832 # Prefer arpa/inet.h over winsock2
2833 if check_header arpa/inet.h ; then
2834 check_func closesocket
2835 elif check_header winsock2.h ; then
2836 check_func_headers winsock2.h closesocket -lws2 && \
2837 network_extralibs="-lws2" || \
2838 { check_func_headers winsock2.h closesocket -lws2_32 && \
2839 network_extralibs="-lws2_32"; }
2840 check_type ws2tcpip.h socklen_t
2841 check_type ws2tcpip.h "struct addrinfo"
2842 check_type ws2tcpip.h "struct ipv6_mreq"
2843 check_type ws2tcpip.h "struct sockaddr_in6"
2844 check_type ws2tcpip.h "struct sockaddr_storage"
2845 check_struct winsock2.h "struct sockaddr" sa_len
2846 else
2847 disable network
2848 fi
2849 fi
2850
2851 check_header linux/videodev.h
2852 check_header linux/videodev2.h
2853 check_header sys/videoio.h
2854
2855 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2856 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2857 # w32api 3.12 had it defined wrong
2858 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2859
2860 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2861 { check_header dev/bktr/ioctl_meteor.h &&
2862 check_header dev/bktr/ioctl_bt848.h; } ||
2863 { check_header machine/ioctl_meteor.h &&
2864 check_header machine/ioctl_bt848.h; } ||
2865 { check_header dev/video/meteor/ioctl_meteor.h &&
2866 check_header dev/video/bktr/ioctl_bt848.h; } ||
2867 check_header dev/ic/bt8xx.h
2868
2869 check_header sys/soundcard.h
2870 check_header soundcard.h
2871
2872 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2873
2874 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2875
2876 enabled x11grab &&
2877 check_header X11/Xlib.h &&
2878 check_header X11/extensions/XShm.h &&
2879 check_header X11/extensions/Xfixes.h &&
2880 check_func XOpenDisplay -lX11 &&
2881 check_func XShmCreateImage -lX11 -lXext &&
2882 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2883
2884 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2885 check_cpp_condition \
2886 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2887 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2888 disable vdpau; }
2889 fi
2890
2891 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2892
2893 # add some useful compiler flags if supported
2894 check_cflags -Wdeclaration-after-statement
2895 check_cflags -Wall
2896 check_cflags -Wno-parentheses
2897 check_cflags -Wno-switch
2898 check_cflags -Wdisabled-optimization
2899 check_cflags -Wpointer-arith
2900 check_cflags -Wredundant-decls
2901 check_cflags -Wno-pointer-sign
2902 check_cflags -Wcast-qual
2903 check_cflags -Wwrite-strings
2904 check_cflags -Wtype-limits
2905 check_cflags -Wundef
2906 check_cflags -Wmissing-prototypes
2907 enabled extra_warnings && check_cflags -Winline
2908
2909 # add some linker flags
2910 check_ldflags -Wl,--warn-common
2911 check_ldflags -Wl,--as-needed
2912 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'
2913 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2914
2915 echo "X{};" > $TMPV
2916 if test_ldflags -Wl,--version-script,$TMPV; then
2917 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2918 check_cc <<EOF && enable symver_asm_label
2919 void ff_foo(void) __asm__ ("av_foo@VERSION");
2920 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2921 EOF
2922 check_cc <<EOF && enable symver_gnu_asm
2923 __asm__(".symver ff_foo,av_foo@VERSION");
2924 void ff_foo(void) {}
2925 EOF
2926 fi
2927
2928 if enabled small; then
2929 add_cflags $size_cflags
2930 optimizations="small"
2931 elif enabled optimizations; then
2932 add_cflags $speed_cflags
2933 else
2934 add_cflags $noopt_cflags
2935 fi
2936 check_cflags -fno-math-errno
2937 check_cflags -fno-signed-zeros
2938
2939 if enabled icc; then
2940 # Just warnings, no remarks
2941 check_cflags -w1
2942 # -wd: Disable following warnings
2943 # 144, 167, 556: -Wno-pointer-sign
2944 # 10006: ignoring unknown option -fno-signed-zeros
2945 # 10148: ignoring unknown option -Wno-parentheses
2946 # 10156: ignoring option '-W'; no argument required
2947 check_cflags -wd144,167,556,10006,10148,10156
2948 # 11030: Warning unknown option --as-needed
2949 # 10156: ignoring option '-export'; no argument required
2950 check_ldflags -wd10156,11030
2951 # Allow to compile with optimizations
2952 check_ldflags -march=$cpu
2953 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2954 enable ebp_available
2955 if enabled x86_32; then
2956 test ${icc_version%%.*} -ge 11 && \
2957 check_cflags -falign-stack=maintain-16-byte || \
2958 disable aligned_stack
2959 fi
2960 elif enabled ccc; then
2961 # disable some annoying warnings
2962 add_cflags -msg_disable cvtu32to64
2963 add_cflags -msg_disable embedcomment
2964 add_cflags -msg_disable needconstext
2965 add_cflags -msg_disable nomainieee
2966 add_cflags -msg_disable ptrmismatch1
2967 add_cflags -msg_disable unreachcode
2968 elif enabled gcc; then
2969 check_cflags -fno-tree-vectorize
2970 check_cflags -Werror=implicit-function-declaration
2971 check_cflags -Werror=missing-prototypes
2972 elif enabled llvm_gcc; then
2973 check_cflags -mllvm -stack-alignment=16
2974 elif enabled clang; then
2975 check_cflags -mllvm -stack-alignment=16
2976 check_cflags -Qunused-arguments
2977 elif enabled armcc; then
2978 # 2523: use of inline assembler is deprecated
2979 add_cflags -W${armcc_opt},--diag_suppress=2523
2980 add_cflags -W${armcc_opt},--diag_suppress=1207
2981 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
2982 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
2983 elif enabled tms470; then
2984 add_cflags -pds=824 -pds=837
2985 fi
2986
2987 enabled_any $THREADS_LIST && enable threads
2988
2989 check_deps $CONFIG_LIST \
2990 $CONFIG_EXTRA \
2991 $HAVE_LIST \
2992 $DECODER_LIST \
2993 $ENCODER_LIST \
2994 $HWACCEL_LIST \
2995 $PARSER_LIST \
2996 $BSF_LIST \
2997 $DEMUXER_LIST \
2998 $MUXER_LIST \
2999 $FILTER_LIST \
3000 $INDEV_LIST \
3001 $OUTDEV_LIST \
3002 $PROTOCOL_LIST \
3003 $ACODEC_TESTS \
3004 $VCODEC_TESTS \
3005 $LAVF_TESTS \
3006 $LAVFI_TESTS \
3007 $SEEK_TESTS \
3008
3009 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3010
3011 echo "install prefix $prefix"
3012 echo "source path $source_path"
3013 echo "C compiler $cc"
3014 echo "ARCH $arch ($cpu)"
3015 if test "$build_suffix" != ""; then
3016 echo "build suffix $build_suffix"
3017 fi
3018 if test "$extra_version" != ""; then
3019 echo "version string suffix $extra_version"
3020 fi
3021 echo "big-endian ${bigendian-no}"
3022 echo "runtime cpu detection ${runtime_cpudetect-no}"
3023 if enabled x86; then
3024 echo "yasm ${yasm-no}"
3025 echo "MMX enabled ${mmx-no}"
3026 echo "MMX2 enabled ${mmx2-no}"
3027 echo "3DNow! enabled ${amd3dnow-no}"
3028 echo "3DNow! extended enabled ${amd3dnowext-no}"
3029 echo "SSE enabled ${sse-no}"
3030 echo "SSSE3 enabled ${ssse3-no}"
3031 echo "CMOV enabled ${cmov-no}"
3032 echo "CMOV is fast ${fast_cmov-no}"
3033 echo "EBX available ${ebx_available-no}"
3034 echo "EBP available ${ebp_available-no}"
3035 echo "10 operands supported ${ten_operands-no}"
3036 fi
3037 if enabled arm; then
3038 echo "ARMv5TE enabled ${armv5te-no}"
3039 echo "ARMv6 enabled ${armv6-no}"
3040 echo "ARMv6T2 enabled ${armv6t2-no}"
3041 echo "ARM VFP enabled ${armvfp-no}"
3042 echo "IWMMXT enabled ${iwmmxt-no}"
3043 echo "NEON enabled ${neon-no}"
3044 fi
3045 if enabled mips; then
3046 echo "MMI enabled ${mmi-no}"
3047 fi
3048 if enabled ppc; then
3049 echo "AltiVec enabled ${altivec-no}"
3050 echo "PPC 4xx optimizations ${ppc4xx-no}"
3051 echo "dcbzl available ${dcbzl-no}"
3052 fi
3053 if enabled sparc; then
3054 echo "VIS enabled ${vis-no}"
3055 fi
3056 echo "debug symbols ${debug-no}"
3057 echo "strip symbols ${stripping-no}"
3058 echo "optimizations ${optimizations-no}"
3059 echo "static ${static-no}"
3060 echo "shared ${shared-no}"
3061 echo "postprocessing support ${postproc-no}"
3062 echo "new filter support ${avfilter-no}"
3063 echo "network support ${network-no}"
3064 echo "threading support ${thread_type-no}"
3065 echo "SDL support ${sdl-no}"
3066 echo "Sun medialib support ${mlib-no}"
3067 echo "AVISynth enabled ${avisynth-no}"
3068 echo "frei0r enabled ${frei0r-no}"
3069 echo "libdc1394 support ${libdc1394-no}"
3070 echo "libdirac enabled ${libdirac-no}"
3071 echo "libfaac enabled ${libfaac-no}"
3072 echo "libgsm enabled ${libgsm-no}"
3073 echo "libmp3lame enabled ${libmp3lame-no}"
3074 echo "libnut enabled ${libnut-no}"
3075 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3076 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3077 echo "libopencv support ${libopencv-no}"
3078 echo "libopenjpeg enabled ${libopenjpeg-no}"
3079 echo "librtmp enabled ${librtmp-no}"
3080 echo "libschroedinger enabled ${libschroedinger-no}"
3081 echo "libspeex enabled ${libspeex-no}"
3082 echo "libtheora enabled ${libtheora-no}"
3083 echo "libvorbis enabled ${libvorbis-no}"
3084 echo "libvpx enabled ${libvpx-no}"
3085 echo "libx264 enabled ${libx264-no}"
3086 echo "libxavs enabled ${libxavs-no}"
3087 echo "libxvid enabled ${libxvid-no}"
3088 echo "zlib enabled ${zlib-no}"
3089 echo "bzlib enabled ${bzlib-no}"
3090 echo
3091
3092 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3093 echo "Enabled ${type}s:"
3094 eval list=\$$(toupper $type)_LIST
3095 print_enabled '_*' $list | sort | pr -3 -t
3096 echo
3097 done
3098
3099 license="LGPL version 2.1 or later"
3100 if enabled nonfree; then
3101 license="nonfree and unredistributable"
3102 elif enabled gplv3; then
3103 license="GPL version 3 or later"
3104 elif enabled lgplv3; then
3105 license="LGPL version 3 or later"
3106 elif enabled gpl; then
3107 license="GPL version 2 or later"
3108 fi
3109
3110 echo "License: $license"
3111
3112 echo "Creating config.mak and config.h..."
3113
3114 # build tree in object directory if source path is different from current one
3115 if enabled source_path_used; then
3116 DIRS="
3117 doc
3118 libavcodec
3119 libavcodec/$arch
3120 libavcore
3121 libavdevice
3122 libavfilter
3123 libavfilter/$arch
3124 libavformat
3125 libavutil
3126 libavutil/$arch
3127 libpostproc
3128 libswscale
3129 libswscale/$arch
3130 tests
3131 tools
3132 "
3133 FILES="
3134 Makefile
3135 common.mak
3136 subdir.mak
3137 doc/texi2pod.pl
3138 libavcodec/Makefile
3139 libavcodec/${arch}/Makefile
3140 libavcore/Makefile
3141 libavdevice/Makefile
3142 libavfilter/Makefile
3143 libavfilter/${arch}/Makefile
3144 libavformat/Makefile
3145 libavutil/Makefile
3146 libpostproc/Makefile
3147 libswscale/Makefile
3148 "
3149 map 'mkdir -p $v' $DIRS;
3150 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3151 fi
3152
3153 enabled stripping || strip="echo skipping strip"
3154
3155 config_files="$TMPH config.mak"
3156
3157 cat > config.mak <<EOF
3158 # Automatically generated by configure - do not modify!
3159 ifndef FFMPEG_CONFIG_MAK
3160 FFMPEG_CONFIG_MAK=1
3161 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3162 prefix=$prefix
3163 LIBDIR=\$(DESTDIR)$libdir
3164 SHLIBDIR=\$(DESTDIR)$shlibdir
3165 INCDIR=\$(DESTDIR)$incdir
3166 BINDIR=\$(DESTDIR)$bindir
3167 DATADIR=\$(DESTDIR)$datadir
3168 MANDIR=\$(DESTDIR)$mandir
3169 SRC_PATH="$source_path"
3170 SRC_PATH_BARE=$source_path
3171 BUILD_ROOT="$PWD"
3172 CC_IDENT=$cc_ident
3173 ARCH=$arch
3174 CC=$cc
3175 AS=$as
3176 LD=$ld
3177 DEPCC=$dep_cc
3178 YASM=$yasmexe
3179 YASMDEP=$yasmexe
3180 AR=$ar
3181 RANLIB=$ranlib
3182 CP=cp -p
3183 LN_S=$ln_s
3184 STRIP=$strip
3185 CPPFLAGS=$CPPFLAGS
3186 CFLAGS=$CFLAGS
3187 ASFLAGS=$ASFLAGS
3188 CC_O=$CC_O
3189 LDFLAGS=$LDFLAGS
3190 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3191 SHFLAGS=$SHFLAGS
3192 YASMFLAGS=$YASMFLAGS
3193 BUILDSUF=$build_suffix
3194 FULLNAME=$FULLNAME
3195 LIBPREF=$LIBPREF
3196 LIBSUF=$LIBSUF
3197 LIBNAME=$LIBNAME
3198 SLIBPREF=$SLIBPREF
3199 SLIBSUF=$SLIBSUF
3200 EXESUF=$EXESUF
3201 EXTRA_VERSION=$extra_version
3202 DEPFLAGS=$DEPFLAGS
3203 CCDEP=$CCDEP
3204 ASDEP=$ASDEP
3205 CC_DEPFLAGS=$CC_DEPFLAGS
3206 AS_DEPFLAGS=$AS_DEPFLAGS
3207 HOSTCC=$host_cc
3208 HOSTCFLAGS=$host_cflags
3209 HOSTEXESUF=$HOSTEXESUF
3210 HOSTLDFLAGS=$host_ldflags
3211 HOSTLIBS=$host_libs
3212 TARGET_EXEC=$target_exec
3213 TARGET_PATH=$target_path
3214 SDL_LIBS=$sdl_libs
3215 SDL_CFLAGS=$sdl_cflags
3216 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3217 EXTRALIBS=$extralibs
3218 INSTALL=install
3219 LIBTARGET=${LIBTARGET}
3220 SLIBNAME=${SLIBNAME}
3221 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3222 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3223 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3224 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3225 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3226 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3227 SAMPLES=$samples
3228 EOF
3229
3230 get_version(){
3231 name=$1
3232 file=$source_path/$2
3233 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3234 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3235 lcname=$(tolower $name)
3236 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3237 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3238 }
3239
3240 get_version LIBSWSCALE libswscale/swscale.h
3241 get_version LIBPOSTPROC libpostproc/postprocess.h
3242 get_version LIBAVCODEC libavcodec/avcodec.h
3243 get_version LIBAVCORE libavcore/avcore.h
3244 get_version LIBAVDEVICE libavdevice/avdevice.h
3245 get_version LIBAVFORMAT libavformat/avformat.h
3246 get_version LIBAVUTIL libavutil/avutil.h
3247 get_version LIBAVFILTER libavfilter/avfilter.h
3248
3249 cat > $TMPH <<EOF
3250 /* Automatically generated by configure - do not modify! */
3251 #ifndef FFMPEG_CONFIG_H
3252 #define FFMPEG_CONFIG_H
3253 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3254 #define FFMPEG_LICENSE "$(c_escape $license)"
3255 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3256 #define CC_TYPE "$cc_type"
3257 #define CC_VERSION $cc_version
3258 #define restrict $_restrict
3259 #define EXTERN_PREFIX "${extern_prefix}"
3260 #define EXTERN_ASM ${extern_prefix}
3261 #define SLIBSUF "$SLIBSUF"
3262 EOF
3263
3264 test -n "$malloc_prefix" &&
3265 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3266
3267 if enabled small || disabled optimizations; then
3268 echo "#undef av_always_inline" >> $TMPH
3269 if enabled small; then
3270 echo "#define av_always_inline inline" >> $TMPH
3271 else
3272 echo "#define av_always_inline av_unused" >> $TMPH
3273 fi
3274 fi
3275
3276 if enabled yasm; then
3277 append config_files $TMPASM
3278 printf '' >$TMPASM
3279 fi
3280
3281 print_config ARCH_ "$config_files" $ARCH_LIST
3282 print_config HAVE_ "$config_files" $HAVE_LIST
3283 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3284 $CONFIG_EXTRA \
3285 $DECODER_LIST \
3286 $ENCODER_LIST \
3287 $HWACCEL_LIST \
3288 $PARSER_LIST \
3289 $BSF_LIST \
3290 $DEMUXER_LIST \
3291 $MUXER_LIST \
3292 $FILTER_LIST \
3293 $PROTOCOL_LIST \
3294 $INDEV_LIST \
3295 $OUTDEV_LIST \
3296
3297 cat >>config.mak <<EOF
3298 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3299 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3300 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3301 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3302 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3303 EOF
3304
3305 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3306 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3307
3308 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3309 cp_if_changed $TMPH config.h
3310 touch .config
3311
3312 enabled yasm && cp_if_changed $TMPASM config.asm
3313
3314 cat > $TMPH <<EOF
3315 /* Generated by ffconf */
3316 #ifndef AVUTIL_AVCONFIG_H
3317 #define AVUTIL_AVCONFIG_H
3318 EOF
3319
3320 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3321
3322 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3323
3324 cp_if_changed $TMPH libavutil/avconfig.h
3325
3326 test -n "$WARNINGS" && printf "\n$WARNINGS"
3327
3328 # build pkg-config files
3329
3330 pkgconfig_generate(){
3331 name=$1
3332 shortname=${name#lib}${build_suffix}
3333 comment=$2
3334 version=$3
3335 libs=$4
3336 requires=$5
3337 enabled ${name#lib} || return 0
3338 cat <<EOF > $name/$name.pc
3339 prefix=$prefix
3340 exec_prefix=\${prefix}
3341 libdir=$libdir
3342 includedir=$incdir
3343
3344 Name: $name
3345 Description: $comment
3346 Version: $version
3347 Requires: $(enabled shared || echo $requires)
3348 Requires.private: $(enabled shared && echo $requires)
3349 Conflicts:
3350 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3351 Libs.private: $(enabled shared && echo $libs)
3352 Cflags: -I\${includedir}
3353 EOF
3354 cat <<EOF > $name/$name-uninstalled.pc
3355 prefix=
3356 exec_prefix=
3357 libdir=\${pcfiledir}
3358 includedir=${source_path}
3359
3360 Name: $name
3361 Description: $comment
3362 Version: $version
3363 Requires: $requires
3364 Conflicts:
3365 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3366 Cflags: -I\${includedir}
3367 EOF
3368 }
3369
3370 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3371 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3372 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3373 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3374 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3375 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3376 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3377 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"