lavfi: port boxblur filter from libmpcodecs
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # Libav 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 LIBAV, 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 Libav."
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/avconv]
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-avconv         disable avconv build
85   --disable-avplay         disable avplay build
86   --disable-avprobe        disable avprobe build
87   --disable-avserver       disable avserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swscale        disable libswscale build
92   --disable-postproc       disable libpostproc build
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   --enable-gray            enable full grayscale support (slower color)
99   --disable-swscale-alpha  disable alpha channel support in swscale
100   --disable-fastdiv        disable table-based division
101   --enable-small           optimize for size instead of speed
102   --disable-aandct         disable AAN DCT code
103   --disable-dct            disable DCT code
104   --disable-fft            disable FFT code
105   --disable-golomb         disable Golomb code
106   --disable-huffman        disable Huffman code
107   --disable-lpc            disable LPC code
108   --disable-mdct           disable MDCT code
109   --disable-rdft           disable RDFT code
110   --enable-vaapi           enable VAAPI code
111   --enable-vdpau           enable VDPAU code
112   --disable-dxva2          disable DXVA2 code
113   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
116   --disable-everything     disable all components listed below
117   --disable-encoder=NAME   disable encoder NAME
118   --enable-encoder=NAME    enable encoder NAME
119   --disable-encoders       disable all encoders
120   --disable-decoder=NAME   disable decoder NAME
121   --enable-decoder=NAME    enable decoder NAME
122   --disable-decoders       disable all decoders
123   --disable-hwaccel=NAME   disable hwaccel NAME
124   --enable-hwaccel=NAME    enable hwaccel NAME
125   --disable-hwaccels       disable all hwaccels
126   --disable-muxer=NAME     disable muxer NAME
127   --enable-muxer=NAME      enable muxer NAME
128   --disable-muxers         disable all muxers
129   --disable-demuxer=NAME   disable demuxer NAME
130   --enable-demuxer=NAME    enable demuxer NAME
131   --disable-demuxers       disable all demuxers
132   --enable-parser=NAME     enable parser NAME
133   --disable-parser=NAME    disable parser NAME
134   --disable-parsers        disable all parsers
135   --enable-bsf=NAME        enable bitstream filter NAME
136   --disable-bsf=NAME       disable bitstream filter NAME
137   --disable-bsfs           disable all bitstream filters
138   --enable-protocol=NAME   enable protocol NAME
139   --disable-protocol=NAME  disable protocol NAME
140   --disable-protocols      disable all protocols
141   --disable-indev=NAME     disable input device NAME
142   --disable-outdev=NAME    disable output device NAME
143   --disable-indevs         disable input devices
144   --disable-outdevs        disable output devices
145   --disable-devices        disable all devices
146   --enable-filter=NAME     enable filter NAME
147   --disable-filter=NAME    disable filter NAME
148   --disable-filters        disable all filters
149   --list-decoders          show all available decoders
150   --list-encoders          show all available encoders
151   --list-hwaccels          show all available hardware accelerators
152   --list-muxers            show all available muxers
153   --list-demuxers          show all available demuxers
154   --list-parsers           show all available parsers
155   --list-protocols         show all available protocols
156   --list-bsfs              show all available bitstream filters
157   --list-indevs            show all available input devices
158   --list-outdevs           show all available output devices
159   --list-filters           show all available filters
160
161 External library support:
162   --enable-avisynth        enable reading of AVISynth script files [no]
163   --enable-bzlib           enable bzlib [autodetect]
164   --enable-frei0r          enable frei0r video filtering
165   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167   --enable-libopencv       enable video filtering via libopencv [no]
168   --enable-libcdio         enable audio CD grabbing with libcdio
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-libfreetype     enable libfreetype [no]
174   --enable-libgsm          enable GSM support via libgsm [no]
175   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
176   --enable-libnut          enable NUT (de)muxing via libnut,
177                            native (de)muxer exists [no]
178   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
179   --enable-librtmp         enable RTMP[E] support via librtmp [no]
180   --enable-libschroedinger enable Dirac support via libschroedinger [no]
181   --enable-libspeex        enable Speex decoding via libspeex [no]
182   --enable-libtheora       enable Theora encoding via libtheora [no]
183   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
184   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
185   --enable-libvorbis       enable Vorbis encoding via libvorbis,
186                            native implementation exists [no]
187   --enable-libvpx          enable VP8 support via libvpx [no]
188   --enable-libx264         enable H.264 encoding via x264 [no]
189   --enable-libxavs         enable AVS encoding via xavs [no]
190   --enable-libxvid         enable Xvid encoding via xvidcore,
191                            native MPEG-4/Xvid encoder exists [no]
192   --enable-mlib            enable Sun medialib [no]
193   --enable-zlib            enable zlib [autodetect]
194
195 Advanced options (experts only):
196   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
197   --enable-cross-compile   assume a cross-compiler is used
198   --sysroot=PATH           root of cross-build tree
199   --sysinclude=PATH        location of cross-build system headers
200   --target-os=OS           compiler targets OS [$target_os]
201   --target-exec=CMD        command to run executables on target
202   --target-path=DIR        path to view of build directory on target
203   --nm=NM                  use nm tool
204   --ar=AR                  use archive tool AR [$ar_default]
205   --as=AS                  use assembler AS [$as_default]
206   --cc=CC                  use C compiler CC [$cc_default]
207   --ld=LD                  use linker LD
208   --host-cc=HOSTCC         use host C compiler HOSTCC
209   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
210   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
211   --host-libs=HLIBS        use libs HLIBS when linking for host
212   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
213   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
214   --extra-libs=ELIBS       add ELIBS [$ELIBS]
215   --extra-version=STRING   version string suffix []
216   --build-suffix=SUFFIX    library name suffix []
217   --arch=ARCH              select architecture [$arch]
218   --cpu=CPU                select the minimum required CPU (affects
219                            instruction selection, may crash on older CPUs)
220   --disable-asm            disable all assembler optimizations
221   --disable-altivec        disable AltiVec optimizations
222   --disable-amd3dnow       disable 3DNow! optimizations
223   --disable-amd3dnowext    disable 3DNow! extended optimizations
224   --disable-mmx            disable MMX optimizations
225   --disable-mmx2           disable MMX2 optimizations
226   --disable-sse            disable SSE optimizations
227   --disable-ssse3          disable SSSE3 optimizations
228   --disable-avx            disable AVX optimizations
229   --disable-armv5te        disable armv5te optimizations
230   --disable-armv6          disable armv6 optimizations
231   --disable-armv6t2        disable armv6t2 optimizations
232   --disable-armvfp         disable ARM VFP optimizations
233   --disable-iwmmxt         disable iwmmxt optimizations
234   --disable-mmi            disable MMI optimizations
235   --disable-neon           disable neon optimizations
236   --disable-vis            disable VIS optimizations
237   --disable-yasm           disable use of yasm assembler
238   --enable-pic             build position-independent code
239   --malloc-prefix=PFX      prefix malloc and related names with PFX
240   --enable-sram            allow use of on-chip SRAM
241   --disable-symver         disable symbol versioning
242   --optflags               override optimization-related compiler flags
243
244 Developer options (useful when working on Libav itself):
245   --disable-debug          disable debugging symbols
246   --enable-debug=LEVEL     set the debug level [$debuglevel]
247   --disable-optimizations  disable compiler optimizations
248   --enable-extra-warnings  enable more compiler warnings
249   --samples=PATH           location of test samples for FATE, if not set use
250                            \$FATE_SAMPLES at make invocation time.
251
252 NOTE: Object files are built at the place where configure is launched.
253 EOF
254   exit 0
255 }
256
257 quotes='""'
258
259 log(){
260     echo "$@" >> $logfile
261 }
262
263 log_file(){
264     log BEGIN $1
265     pr -n -t $1 >> $logfile
266     log END $1
267 }
268
269 echolog(){
270     log "$@"
271     echo "$@"
272 }
273
274 warn(){
275     log "WARNING: $*"
276     WARNINGS="${WARNINGS}WARNING: $*\n"
277 }
278
279 die(){
280     echolog "$@"
281     cat <<EOF
282
283 If you think configure made a mistake, make sure you are using the latest
284 version from Git.  If the latest version fails, report the problem to the
285 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
286 EOF
287     if disabled logging; then
288         cat <<EOF
289 Rerun configure with logging enabled (do not use --disable-logging), and
290 include the log this produces with your report.
291 EOF
292     else
293 cat <<EOF
294 Include the log file "$logfile" produced by configure as this will help
295 solving the problem.
296 EOF
297     fi
298     exit 1
299 }
300
301 # Avoid locale weirdness, besides we really just want to translate ASCII.
302 toupper(){
303     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
304 }
305
306 tolower(){
307     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
308 }
309
310 c_escape(){
311     echo "$*" | sed 's/["\\]/\\\0/g'
312 }
313
314 sh_quote(){
315     v=$(echo "$1" | sed "s/'/'\\\\''/g")
316     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
317     echo "$v"
318 }
319
320 cleanws(){
321     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
322 }
323
324 filter(){
325     pat=$1
326     shift
327     for v; do
328         eval "case $v in $pat) echo $v ;; esac"
329     done
330 }
331
332 filter_out(){
333     pat=$1
334     shift
335     for v; do
336         eval "case $v in $pat) ;; *) echo $v ;; esac"
337     done
338 }
339
340 map(){
341     m=$1
342     shift
343     for v; do eval $m; done
344 }
345
346 set_all(){
347     value=$1
348     shift
349     for var in $*; do
350         eval $var=$value
351     done
352 }
353
354 set_weak(){
355     value=$1
356     shift
357     for var; do
358         eval : \${$var:=$value}
359     done
360 }
361
362 set_safe(){
363     var=$1
364     shift
365     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
366 }
367
368 get_safe(){
369     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
370 }
371
372 pushvar(){
373     for var in $*; do
374         eval level=\${${var}_level:=0}
375         eval ${var}_${level}="\$$var"
376         eval ${var}_level=$(($level+1))
377     done
378 }
379
380 popvar(){
381     for var in $*; do
382         eval level=\${${var}_level:-0}
383         test $level = 0 && continue
384         eval level=$(($level-1))
385         eval $var="\${${var}_${level}}"
386         eval ${var}_level=$level
387         eval unset ${var}_${level}
388     done
389 }
390
391 enable(){
392     set_all yes $*
393 }
394
395 disable(){
396     set_all no $*
397 }
398
399 enable_weak(){
400     set_weak yes $*
401 }
402
403 disable_weak(){
404     set_weak no $*
405 }
406
407 enable_safe(){
408     for var; do
409         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
410     done
411 }
412
413 disable_safe(){
414     for var; do
415         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
416     done
417 }
418
419 do_enable_deep(){
420     for var; do
421         enabled $var && continue
422         eval sel="\$${var}_select"
423         eval sgs="\$${var}_suggest"
424         pushvar var sgs
425         enable_deep $sel
426         popvar sgs
427         enable_deep_weak $sgs
428         popvar var
429     done
430 }
431
432 enable_deep(){
433     do_enable_deep $*
434     enable $*
435 }
436
437 enable_deep_weak(){
438     do_enable_deep $*
439     enable_weak $*
440 }
441
442 enabled(){
443     test "${1#!}" = "$1" && op== || op=!=
444     eval test "x\$${1#!}" $op "xyes"
445 }
446
447 disabled(){
448     test "${1#!}" = "$1" && op== || op=!=
449     eval test "x\$${1#!}" $op "xno"
450 }
451
452 enabled_all(){
453     for opt; do
454         enabled $opt || return 1
455     done
456 }
457
458 disabled_all(){
459     for opt; do
460         disabled $opt || return 1
461     done
462 }
463
464 enabled_any(){
465     for opt; do
466         enabled $opt && return 0
467     done
468 }
469
470 disabled_any(){
471     for opt; do
472         disabled $opt && return 0
473     done
474     return 1
475 }
476
477 set_default(){
478     for opt; do
479         eval : \${$opt:=\$${opt}_default}
480     done
481 }
482
483 is_in(){
484     value=$1
485     shift
486     for var in $*; do
487         [ $var = $value ] && return 0
488     done
489     return 1
490 }
491
492 check_deps(){
493     for cfg; do
494         cfg="${cfg#!}"
495         enabled ${cfg}_checking && die "Circular dependency for $cfg."
496         disabled ${cfg}_checking && continue
497         enable ${cfg}_checking
498
499         eval dep_all="\$${cfg}_deps"
500         eval dep_any="\$${cfg}_deps_any"
501         eval dep_sel="\$${cfg}_select"
502         eval dep_sgs="\$${cfg}_suggest"
503         eval dep_ifa="\$${cfg}_if"
504         eval dep_ifn="\$${cfg}_if_any"
505
506         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
507         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
508         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
509
510         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
511         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
512         enabled_all  $dep_all || disable $cfg
513         enabled_any  $dep_any || disable $cfg
514         disabled_any $dep_sel && disable $cfg
515
516         if enabled $cfg; then
517             eval dep_extralibs="\$${cfg}_extralibs"
518             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
519             enable_deep $dep_sel
520             enable_deep_weak $dep_sgs
521         fi
522
523         disable ${cfg}_checking
524     done
525 }
526
527 print_config_h(){
528     enabled $1 && v=1 || v=0
529     echo "#define $2 $v"
530 }
531
532 print_config_mak(){
533     enabled $1 && v= || v=!
534     echo "$v$2=yes"
535 }
536
537 print_config_asm(){
538     enabled $1 && echo "%define $2"
539 }
540
541 print_config(){
542     pfx=$1
543     files=$2
544     shift 2
545     for cfg; do
546         ucname="$(toupper $cfg)"
547         for f in $files; do
548             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
549         done
550     done
551 }
552
553 print_enabled(){
554     test "$1" = -n && end=" " && shift || end="\n"
555     suf=$1
556     shift
557     for v; do
558         enabled $v && printf "%s$end" ${v%$suf};
559     done
560 }
561
562 append(){
563     var=$1
564     shift
565     eval "$var=\"\$$var $*\""
566 }
567
568 prepend(){
569     var=$1
570     shift
571     eval "$var=\"$* \$$var\""
572 }
573
574 add_cppflags(){
575     append CPPFLAGS $($filter_cppflags "$@")
576 }
577
578 add_cflags(){
579     append CFLAGS $($filter_cflags "$@")
580 }
581
582 add_asflags(){
583     append ASFLAGS $($filter_asflags "$@")
584 }
585
586 add_ldflags(){
587     append LDFLAGS "$@"
588 }
589
590 add_extralibs(){
591     prepend extralibs "$@"
592 }
593
594 check_cmd(){
595     log "$@"
596     "$@" >> $logfile 2>&1
597 }
598
599 check_cc(){
600     log check_cc "$@"
601     cat > $TMPC
602     log_file $TMPC
603     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
604 }
605
606 check_cpp(){
607     log check_cpp "$@"
608     cat > $TMPC
609     log_file $TMPC
610     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
611 }
612
613 check_as(){
614     log check_as "$@"
615     cat > $TMPC
616     log_file $TMPC
617     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
618 }
619
620 check_asm(){
621     log check_asm "$@"
622     name="$1"
623     code="$2"
624     shift 2
625     disable $name
626     check_as "$@" <<EOF && enable $name
627 void foo(void){ __asm__ volatile($code); }
628 EOF
629 }
630
631 check_yasm(){
632     log check_yasm "$@"
633     echo "$1" > $TMPS
634     log_file $TMPS
635     shift 1
636     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
637 }
638
639 check_ld(){
640     log check_ld "$@"
641     flags=''
642     libs=''
643     for f; do
644         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
645     done
646     check_cc $($filter_cflags $flags) || return
647     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
648 }
649
650 check_cppflags(){
651     log check_cppflags "$@"
652     set -- $($filter_cppflags "$@")
653     check_cc "$@" <<EOF && append CPPFLAGS "$@"
654 int x;
655 EOF
656 }
657
658 check_cflags(){
659     log check_cflags "$@"
660     set -- $($filter_cflags "$@")
661     check_cc "$@" <<EOF && append CFLAGS "$@"
662 int x;
663 EOF
664 }
665
666 test_ldflags(){
667     log test_ldflags "$@"
668     check_ld "$@" <<EOF
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_ldflags(){
674     log check_ldflags "$@"
675     test_ldflags "$@" && add_ldflags "$@"
676 }
677
678 check_header(){
679     log check_header "$@"
680     header=$1
681     shift
682     disable_safe $header
683     check_cpp "$@" <<EOF && enable_safe $header
684 #include <$header>
685 int x;
686 EOF
687 }
688
689 check_func(){
690     log check_func "$@"
691     func=$1
692     shift
693     disable $func
694     check_ld "$@" <<EOF && enable $func
695 extern int $func();
696 int main(void){ $func(); }
697 EOF
698 }
699
700 check_mathfunc(){
701     log check_mathfunc "$@"
702     func=$1
703     shift
704     disable $func
705     check_ld "$@" <<EOF && enable $func
706 #include <math.h>
707 float foo(float f) { return $func(f); }
708 int main(void){ return 0; }
709 EOF
710 }
711
712 check_func_headers(){
713     log check_func_headers "$@"
714     headers=$1
715     funcs=$2
716     shift 2
717     {
718         for hdr in $headers; do
719             echo "#include <$hdr>"
720         done
721         for func in $funcs; do
722             echo "long check_$func(void) { return (long) $func; }"
723         done
724         echo "int main(void) { return 0; }"
725     } | check_ld "$@" && enable $funcs && enable_safe $headers
726 }
727
728 check_cpp_condition(){
729     log check_cpp_condition "$@"
730     header=$1
731     condition=$2
732     shift 2
733     check_cpp $($filter_cppflags "$@") <<EOF
734 #include <$header>
735 #if !($condition)
736 #error "unsatisfied condition: $condition"
737 #endif
738 EOF
739 }
740
741 check_lib(){
742     log check_lib "$@"
743     header="$1"
744     func="$2"
745     shift 2
746     check_header $header && check_func $func "$@" && add_extralibs "$@"
747 }
748
749 check_lib2(){
750     log check_lib2 "$@"
751     headers="$1"
752     funcs="$2"
753     shift 2
754     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
755 }
756
757 check_pkg_config(){
758     log check_pkg_config "$@"
759     pkg="$1"
760     headers="$2"
761     funcs="$3"
762     shift 3
763     $pkg_config --exists $pkg || return
764     pkg_cflags=$($pkg_config --cflags $pkg)
765     pkg_libs=$($pkg_config --libs $pkg)
766     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
767         set_safe ${pkg}_cflags $pkg_cflags   &&
768         set_safe ${pkg}_libs   $pkg_libs
769 }
770
771 check_exec(){
772     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
773 }
774
775 check_exec_crash(){
776     code=$(cat)
777
778     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
779     # are safe but may not be available everywhere.  Thus we use
780     # raise(SIGTERM) instead.  The check is run in a subshell so we
781     # can redirect the "Terminated" message from the shell.  SIGBUS
782     # is not defined by standard C so it is used conditionally.
783
784     (check_exec "$@") >> $logfile 2>&1 <<EOF
785 #include <signal.h>
786 static void sighandler(int sig){
787     raise(SIGTERM);
788 }
789 int main(void){
790     signal(SIGILL, sighandler);
791     signal(SIGFPE, sighandler);
792     signal(SIGSEGV, sighandler);
793 #ifdef SIGBUS
794     signal(SIGBUS, sighandler);
795 #endif
796     { $code }
797 }
798 EOF
799 }
800
801 check_type(){
802     log check_type "$@"
803     headers=$1
804     type=$2
805     shift 2
806     disable_safe "$type"
807     incs=""
808     for hdr in $headers; do
809         incs="$incs
810 #include <$hdr>"
811     done
812     check_cc "$@" <<EOF && enable_safe "$type"
813 $incs
814 $type v;
815 EOF
816 }
817
818 check_struct(){
819     log check_type "$@"
820     headers=$1
821     struct=$2
822     member=$3
823     shift 3
824     disable_safe "${struct}_${member}"
825     incs=""
826     for hdr in $headers; do
827         incs="$incs
828 #include <$hdr>"
829     done
830     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
831 $incs
832 const void *p = &(($struct *)0)->$member;
833 EOF
834 }
835
836 require(){
837     name="$1"
838     header="$2"
839     func="$3"
840     shift 3
841     check_lib $header $func "$@" || die "ERROR: $name not found"
842 }
843
844 require2(){
845     name="$1"
846     headers="$2"
847     func="$3"
848     shift 3
849     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
850 }
851
852 require_pkg_config(){
853     pkg="$1"
854     check_pkg_config "$@" || die "ERROR: $pkg not found"
855     add_cflags    $(get_safe ${pkg}_cflags)
856     add_extralibs $(get_safe ${pkg}_libs)
857 }
858
859 check_host_cc(){
860     log check_host_cc "$@"
861     cat > $TMPC
862     log_file $TMPC
863     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
864 }
865
866 check_host_cflags(){
867     log check_host_cflags "$@"
868     check_host_cc "$@" <<EOF && append host_cflags "$@"
869 int x;
870 EOF
871 }
872
873 apply(){
874     file=$1
875     shift
876     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
877 }
878
879 cp_if_changed(){
880     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
881     mkdir -p "$(dirname $2)"
882     cp -f "$1" "$2"
883 }
884
885 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
886 # system-dependent things.
887
888 COMPONENT_LIST="
889     bsfs
890     decoders
891     demuxers
892     encoders
893     filters
894     hwaccels
895     indevs
896     muxers
897     outdevs
898     parsers
899     protocols
900 "
901
902 CONFIG_LIST="
903     $COMPONENT_LIST
904     aandct
905     ac3dsp
906     avcodec
907     avdevice
908     avfilter
909     avformat
910     avisynth
911     bzlib
912     dct
913     doc
914     dwt
915     dxva2
916     fastdiv
917     ffmpeg
918     avconv
919     avplay
920     avprobe
921     avserver
922     fft
923     frei0r
924     golomb
925     gpl
926     gray
927     h264dsp
928     h264pred
929     hardcoded_tables
930     huffman
931     libcdio
932     libdc1394
933     libdirac
934     libfaac
935     libfreetype
936     libgsm
937     libmp3lame
938     libnut
939     libopencore_amrnb
940     libopencore_amrwb
941     libopencv
942     libopenjpeg
943     librtmp
944     libschroedinger
945     libspeex
946     libtheora
947     libvo_aacenc
948     libvo_amrwbenc
949     libvorbis
950     libvpx
951     libx264
952     libxavs
953     libxvid
954     lpc
955     lsp
956     mdct
957     memalign_hack
958     mlib
959     mpegaudiodsp
960     network
961     nonfree
962     pic
963     postproc
964     rdft
965     rtpdec
966     runtime_cpudetect
967     shared
968     sinewin
969     small
970     sram
971     static
972     swscale
973     swscale_alpha
974     thumb
975     vaapi
976     vdpau
977     version3
978     x11grab
979     zlib
980 "
981
982 THREADS_LIST='
983     pthreads
984     w32threads
985 '
986
987 ARCH_LIST='
988     alpha
989     arm
990     avr32
991     avr32_ap
992     avr32_uc
993     bfin
994     ia64
995     m68k
996     mips
997     mips64
998     parisc
999     ppc
1000     ppc64
1001     s390
1002     sh4
1003     sparc
1004     sparc64
1005     tomi
1006     x86
1007     x86_32
1008     x86_64
1009 '
1010
1011 ARCH_EXT_LIST='
1012     altivec
1013     amd3dnow
1014     amd3dnowext
1015     armv5te
1016     armv6
1017     armv6t2
1018     armvfp
1019     avx
1020     iwmmxt
1021     mmi
1022     mmx
1023     mmx2
1024     neon
1025     ppc4xx
1026     sse
1027     ssse3
1028     vfpv3
1029     vis
1030 '
1031
1032 HAVE_LIST_PUB='
1033     bigendian
1034     fast_unaligned
1035 '
1036
1037 HAVE_LIST="
1038     $ARCH_EXT_LIST
1039     $HAVE_LIST_PUB
1040     $THREADS_LIST
1041     aligned_stack
1042     alsa_asoundlib_h
1043     altivec_h
1044     arpa_inet_h
1045     asm_mod_y
1046     attribute_may_alias
1047     attribute_packed
1048     bswap
1049     closesocket
1050     cmov
1051     dcbzl
1052     dev_bktr_ioctl_bt848_h
1053     dev_bktr_ioctl_meteor_h
1054     dev_ic_bt8xx_h
1055     dev_video_meteor_ioctl_meteor_h
1056     dev_video_bktr_ioctl_bt848_h
1057     dlfcn_h
1058     dlopen
1059     dos_paths
1060     ebp_available
1061     ebx_available
1062     exp2
1063     exp2f
1064     fast_64bit
1065     fast_clz
1066     fast_cmov
1067     fcntl
1068     fork
1069     getaddrinfo
1070     gethrtime
1071     GetProcessMemoryInfo
1072     GetProcessTimes
1073     getrusage
1074     gnu_as
1075     struct_rusage_ru_maxrss
1076     ibm_asm
1077     inet_aton
1078     inline_asm
1079     isatty
1080     ldbrx
1081     libdc1394_1
1082     libdc1394_2
1083     llrint
1084     llrintf
1085     local_aligned_16
1086     local_aligned_8
1087     localtime_r
1088     log2
1089     log2f
1090     loongson
1091     lrint
1092     lrintf
1093     lzo1x_999_compress
1094     machine_ioctl_bt848_h
1095     machine_ioctl_meteor_h
1096     malloc_h
1097     MapViewOfFile
1098     memalign
1099     mkstemp
1100     mmap
1101     posix_memalign
1102     round
1103     roundf
1104     sdl
1105     sdl_video_size
1106     setmode
1107     sndio_h
1108     socklen_t
1109     soundcard_h
1110     poll_h
1111     setrlimit
1112     strerror_r
1113     strptime
1114     strtok_r
1115     struct_addrinfo
1116     struct_ipv6_mreq
1117     struct_sockaddr_in6
1118     struct_sockaddr_sa_len
1119     struct_sockaddr_storage
1120     symver
1121     symver_gnu_asm
1122     symver_asm_label
1123     sys_mman_h
1124     sys_resource_h
1125     sys_select_h
1126     sys_soundcard_h
1127     sys_videoio_h
1128     threads
1129     trunc
1130     truncf
1131     vfp_args
1132     VirtualAlloc
1133     winsock2_h
1134     xform_asm
1135     xmm_clobbers
1136     yasm
1137 "
1138
1139 # options emitted with CONFIG_ prefix but not available on command line
1140 CONFIG_EXTRA="
1141     avutil
1142     gplv3
1143     lgplv3
1144 "
1145
1146 CMDLINE_SELECT="
1147     $ARCH_EXT_LIST
1148     $CONFIG_LIST
1149     $THREADS_LIST
1150     asm
1151     cross_compile
1152     debug
1153     extra_warnings
1154     logging
1155     optimizations
1156     symver
1157     yasm
1158 "
1159
1160 PATHS_LIST='
1161     bindir
1162     datadir
1163     incdir
1164     libdir
1165     mandir
1166     prefix
1167     shlibdir
1168 '
1169
1170 CMDLINE_SET="
1171     $PATHS_LIST
1172     ar
1173     arch
1174     as
1175     build_suffix
1176     cc
1177     cpu
1178     cross_prefix
1179     dep_cc
1180     extra_version
1181     host_cc
1182     host_cflags
1183     host_ldflags
1184     host_libs
1185     host_os
1186     ld
1187     logfile
1188     malloc_prefix
1189     nm
1190     optflags
1191     pkg_config
1192     samples
1193     sysinclude
1194     sysroot
1195     target_exec
1196     target_os
1197     target_path
1198 "
1199
1200 CMDLINE_APPEND="
1201     extra_cflags
1202 "
1203
1204 # code dependency declarations
1205
1206 # architecture extensions
1207
1208 armv5te_deps="arm"
1209 armv6_deps="arm"
1210 armv6t2_deps="arm"
1211 armvfp_deps="arm"
1212 iwmmxt_deps="arm"
1213 neon_deps="arm"
1214 vfpv3_deps="armvfp"
1215
1216 mmi_deps="mips"
1217
1218 altivec_deps="ppc"
1219 ppc4xx_deps="ppc"
1220
1221 vis_deps="sparc"
1222
1223 x86_64_suggest="cmov fast_cmov"
1224 amd3dnow_deps="mmx"
1225 amd3dnowext_deps="amd3dnow"
1226 mmx_deps="x86"
1227 mmx2_deps="mmx"
1228 sse_deps="mmx"
1229 ssse3_deps="sse"
1230 avx_deps="ssse3"
1231
1232 aligned_stack_if_any="ppc x86"
1233 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1234 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1235 fast_unaligned_if_any="armv6 ppc x86"
1236
1237 need_memalign="altivec neon sse"
1238 inline_asm_deps="!tms470"
1239
1240 symver_if_any="symver_asm_label symver_gnu_asm"
1241
1242 # subsystems
1243 dct_select="rdft"
1244 mdct_select="fft"
1245 rdft_select="fft"
1246 mpegaudiodsp_select="dct"
1247
1248 # decoders / encoders / hardware accelerators
1249 aac_decoder_select="mdct sinewin"
1250 aac_encoder_select="mdct sinewin"
1251 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1252 ac3_decoder_select="mdct ac3dsp ac3_parser"
1253 ac3_encoder_select="mdct ac3dsp"
1254 ac3_fixed_encoder_select="mdct ac3dsp"
1255 alac_encoder_select="lpc"
1256 amrnb_decoder_select="lsp"
1257 amrwb_decoder_select="lsp"
1258 atrac1_decoder_select="mdct sinewin"
1259 atrac3_decoder_select="mdct"
1260 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1261 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1262 cavs_decoder_select="golomb"
1263 cook_decoder_select="mdct sinewin"
1264 cscd_decoder_suggest="zlib"
1265 dca_decoder_select="mdct"
1266 dnxhd_encoder_select="aandct"
1267 dxa_decoder_select="zlib"
1268 eac3_decoder_select="ac3_decoder"
1269 eac3_encoder_select="mdct ac3dsp"
1270 eamad_decoder_select="aandct"
1271 eatgq_decoder_select="aandct"
1272 eatqi_decoder_select="aandct"
1273 ffv1_decoder_select="golomb"
1274 flac_decoder_select="golomb"
1275 flac_encoder_select="golomb lpc"
1276 flashsv_decoder_select="zlib"
1277 flashsv_encoder_select="zlib"
1278 flashsv2_decoder_select="zlib"
1279 flv_decoder_select="h263_decoder"
1280 flv_encoder_select="h263_encoder"
1281 fraps_decoder_select="huffman"
1282 h261_encoder_select="aandct"
1283 h263_decoder_select="h263_parser"
1284 h263_encoder_select="aandct"
1285 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1286 h263i_decoder_select="h263_decoder"
1287 h263p_encoder_select="h263_encoder"
1288 h264_decoder_select="golomb h264dsp h264pred"
1289 h264_dxva2_hwaccel_deps="dxva2api_h"
1290 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1291 h264_vaapi_hwaccel_select="vaapi"
1292 h264_vdpau_decoder_select="vdpau h264_decoder"
1293 imc_decoder_select="fft mdct sinewin"
1294 jpegls_decoder_select="golomb"
1295 jpegls_encoder_select="golomb"
1296 ljpeg_encoder_select="aandct"
1297 loco_decoder_select="golomb"
1298 mjpeg_encoder_select="aandct"
1299 mlp_decoder_select="mlp_parser"
1300 mp1_decoder_select="mpegaudiodsp"
1301 mp2_decoder_select="mpegaudiodsp"
1302 mp3adu_decoder_select="mpegaudiodsp"
1303 mp3_decoder_select="mpegaudiodsp"
1304 mp3on4_decoder_select="mpegaudiodsp"
1305 mp1float_decoder_select="mpegaudiodsp"
1306 mp2float_decoder_select="mpegaudiodsp"
1307 mp3adufloat_decoder_select="mpegaudiodsp"
1308 mp3float_decoder_select="mpegaudiodsp"
1309 mp3on4float_decoder_select="mpegaudiodsp"
1310 mpeg1video_encoder_select="aandct"
1311 mpeg2video_encoder_select="aandct"
1312 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1313 mpeg4_encoder_select="h263_encoder"
1314 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1315 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1316 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1317 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1318 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1319 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1320 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1321 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1322 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1323 msmpeg4v1_decoder_select="h263_decoder"
1324 msmpeg4v1_encoder_select="h263_encoder"
1325 msmpeg4v2_decoder_select="h263_decoder"
1326 msmpeg4v2_encoder_select="h263_encoder"
1327 msmpeg4v3_decoder_select="h263_decoder"
1328 msmpeg4v3_encoder_select="h263_encoder"
1329 nellymoser_decoder_select="mdct sinewin"
1330 nellymoser_encoder_select="mdct sinewin"
1331 png_decoder_select="zlib"
1332 png_encoder_select="zlib"
1333 qcelp_decoder_select="lsp"
1334 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1335 ra_144_encoder_select="lpc"
1336 rv10_decoder_select="h263_decoder"
1337 rv10_encoder_select="h263_encoder"
1338 rv20_decoder_select="h263_decoder"
1339 rv20_encoder_select="h263_encoder"
1340 rv30_decoder_select="golomb h264pred"
1341 rv40_decoder_select="golomb h264pred"
1342 shorten_decoder_select="golomb"
1343 sipr_decoder_select="lsp"
1344 snow_decoder_select="dwt"
1345 snow_encoder_select="aandct dwt"
1346 svq1_encoder_select="aandct"
1347 svq3_decoder_select="golomb h264dsp h264pred"
1348 svq3_decoder_suggest="zlib"
1349 theora_decoder_select="vp3_decoder"
1350 tiff_decoder_suggest="zlib"
1351 tiff_encoder_suggest="zlib"
1352 truehd_decoder_select="mlp_decoder"
1353 tscc_decoder_select="zlib"
1354 twinvq_decoder_select="mdct lsp sinewin"
1355 vc1_decoder_select="h263_decoder"
1356 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1357 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1358 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1359 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1360 vc1image_decoder_select="vc1_decoder"
1361 vorbis_decoder_select="mdct"
1362 vorbis_encoder_select="mdct"
1363 vp6_decoder_select="huffman"
1364 vp6a_decoder_select="vp6_decoder"
1365 vp6f_decoder_select="vp6_decoder"
1366 vp8_decoder_select="h264pred"
1367 wmapro_decoder_select="mdct sinewin"
1368 wmav1_decoder_select="mdct sinewin"
1369 wmav1_encoder_select="mdct sinewin"
1370 wmav2_decoder_select="mdct sinewin"
1371 wmav2_encoder_select="mdct sinewin"
1372 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1373 wmv1_decoder_select="h263_decoder"
1374 wmv1_encoder_select="h263_encoder"
1375 wmv2_decoder_select="h263_decoder"
1376 wmv2_encoder_select="h263_encoder"
1377 wmv3_decoder_select="vc1_decoder"
1378 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1379 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1380 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1381 wmv3image_decoder_select="wmv3_decoder"
1382 zlib_decoder_select="zlib"
1383 zlib_encoder_select="zlib"
1384 zmbv_decoder_select="zlib"
1385 zmbv_encoder_select="zlib"
1386
1387 vaapi_deps="va_va_h"
1388 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1389
1390 # parsers
1391 h264_parser_select="golomb h264dsp h264pred"
1392
1393 # external libraries
1394 libdirac_decoder_deps="libdirac !libschroedinger"
1395 libdirac_encoder_deps="libdirac"
1396 libfaac_encoder_deps="libfaac"
1397 libgsm_decoder_deps="libgsm"
1398 libgsm_encoder_deps="libgsm"
1399 libgsm_ms_decoder_deps="libgsm"
1400 libgsm_ms_encoder_deps="libgsm"
1401 libmp3lame_encoder_deps="libmp3lame"
1402 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1403 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1404 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1405 libopenjpeg_decoder_deps="libopenjpeg"
1406 libschroedinger_decoder_deps="libschroedinger"
1407 libschroedinger_encoder_deps="libschroedinger"
1408 libspeex_decoder_deps="libspeex"
1409 libtheora_encoder_deps="libtheora"
1410 libvo_aacenc_encoder_deps="libvo_aacenc"
1411 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1412 libvorbis_encoder_deps="libvorbis"
1413 libvpx_decoder_deps="libvpx"
1414 libvpx_encoder_deps="libvpx"
1415 libx264_encoder_deps="libx264"
1416 libxavs_encoder_deps="libxavs"
1417 libxvid_encoder_deps="libxvid"
1418
1419 # demuxers / muxers
1420 ac3_demuxer_select="ac3_parser"
1421 asf_stream_muxer_select="asf_muxer"
1422 avisynth_demuxer_deps="avisynth"
1423 dirac_demuxer_select="dirac_parser"
1424 eac3_demuxer_select="ac3_parser"
1425 flac_demuxer_select="flac_parser"
1426 ipod_muxer_select="mov_muxer"
1427 libnut_demuxer_deps="libnut"
1428 libnut_muxer_deps="libnut"
1429 matroska_audio_muxer_select="matroska_muxer"
1430 matroska_demuxer_suggest="zlib bzlib"
1431 mov_demuxer_suggest="zlib"
1432 mp3_demuxer_select="mpegaudio_parser"
1433 mp4_muxer_select="mov_muxer"
1434 mpegtsraw_demuxer_select="mpegts_demuxer"
1435 mxf_d10_muxer_select="mxf_muxer"
1436 ogg_demuxer_select="golomb"
1437 psp_muxer_select="mov_muxer"
1438 rtp_demuxer_select="sdp_demuxer"
1439 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1440 rtsp_demuxer_select="http_protocol rtpdec"
1441 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1442 sap_demuxer_select="sdp_demuxer"
1443 sap_muxer_select="rtp_muxer rtp_protocol"
1444 sdp_demuxer_select="rtpdec"
1445 spdif_muxer_select="aac_parser"
1446 tg2_muxer_select="mov_muxer"
1447 tgp_muxer_select="mov_muxer"
1448 w64_demuxer_deps="wav_demuxer"
1449
1450 # indevs / outdevs
1451 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1452 alsa_outdev_deps="alsa_asoundlib_h"
1453 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1454 dv1394_indev_deps="dv1394 dv_demuxer"
1455 fbdev_indev_deps="linux_fb_h"
1456 jack_indev_deps="jack_jack_h"
1457 libcdio_indev_deps="libcdio"
1458 libdc1394_indev_deps="libdc1394"
1459 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1460 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1461 sndio_indev_deps="sndio_h"
1462 sndio_outdev_deps="sndio_h"
1463 v4l_indev_deps="linux_videodev_h"
1464 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1465 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1466 vfwcap_indev_extralibs="-lavicap32"
1467 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1468 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1469
1470 # protocols
1471 gopher_protocol_deps="network"
1472 http_protocol_deps="network"
1473 http_protocol_select="tcp_protocol"
1474 mmsh_protocol_select="http_protocol"
1475 mmst_protocol_deps="network"
1476 rtmp_protocol_select="tcp_protocol"
1477 rtp_protocol_select="udp_protocol"
1478 tcp_protocol_deps="network"
1479 udp_protocol_deps="network"
1480
1481 # filters
1482 blackframe_filter_deps="gpl"
1483 boxblur_filter_deps="gpl"
1484 cropdetect_filter_deps="gpl"
1485 drawtext_filter_deps="libfreetype"
1486 frei0r_filter_deps="frei0r dlopen strtok_r"
1487 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1488 hqdn3d_filter_deps="gpl"
1489 ocv_filter_deps="libopencv"
1490 scale_filter_deps="swscale"
1491 yadif_filter_deps="gpl"
1492
1493 # libraries
1494 avdevice_deps="avcodec avformat"
1495 avformat_deps="avcodec"
1496 postproc_deps="gpl"
1497
1498 # programs
1499 ffmpeg_deps="avcodec avformat swscale"
1500 ffmpeg_select="buffer_filter"
1501 avconv_deps="avcodec avformat swscale"
1502 avconv_select="buffer_filter"
1503 avplay_deps="avcodec avformat swscale sdl"
1504 avplay_select="rdft"
1505 avprobe_deps="avcodec avformat"
1506 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1507 avserver_extralibs='$ldl'
1508
1509 doc_deps="texi2html"
1510
1511 # tests
1512
1513 test_deps(){
1514     suf1=$1
1515     suf2=$2
1516     shift 2
1517     for v; do
1518         dep=${v%=*}
1519         tests=${v#*=}
1520         for name in ${tests}; do
1521             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1522         done
1523     done
1524 }
1525
1526 mxf_d10_test_deps="avfilter"
1527 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1528
1529 test_deps _encoder _decoder                                             \
1530     adpcm_g726=g726                                                     \
1531     adpcm_ima_qt                                                        \
1532     adpcm_ima_wav                                                       \
1533     adpcm_ms                                                            \
1534     adpcm_swf                                                           \
1535     adpcm_yamaha=adpcm_yam                                              \
1536     alac                                                                \
1537     asv1                                                                \
1538     asv2                                                                \
1539     bmp                                                                 \
1540     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1541     dvvideo="dv dv50"                                                   \
1542     ffv1                                                                \
1543     flac                                                                \
1544     flashsv                                                             \
1545     flv                                                                 \
1546     gif                                                                 \
1547     h261                                                                \
1548     h263="h263 h263p"                                                   \
1549     huffyuv                                                             \
1550     jpegls                                                              \
1551     mjpeg="jpg mjpeg ljpeg"                                             \
1552     mp2                                                                 \
1553     mpeg1video="mpeg mpeg1b"                                            \
1554     mpeg2video="mpeg2 mpeg2thread"                                      \
1555     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1556     msmpeg4v3=msmpeg4                                                   \
1557     msmpeg4v2                                                           \
1558     pbm=pbmpipe                                                         \
1559     pcx                                                                 \
1560     pgm="pgm pgmpipe"                                                   \
1561     png                                                                 \
1562     ppm="ppm ppmpipe"                                                   \
1563     rawvideo="rgb yuv"                                                  \
1564     roq                                                                 \
1565     rv10                                                                \
1566     rv20                                                                \
1567     sgi                                                                 \
1568     snow="snow snowll"                                                  \
1569     svq1                                                                \
1570     targa=tga                                                           \
1571     tiff                                                                \
1572     wmav1                                                               \
1573     wmav2                                                               \
1574     wmv1                                                                \
1575     wmv2                                                                \
1576
1577 test_deps _muxer _demuxer                                               \
1578     aiff                                                                \
1579     pcm_alaw=alaw                                                       \
1580     asf                                                                 \
1581     au                                                                  \
1582     avi                                                                 \
1583     dv=dv_fmt                                                           \
1584     ffm                                                                 \
1585     flv=flv_fmt                                                         \
1586     gxf                                                                 \
1587     matroska=mkv                                                        \
1588     mmf                                                                 \
1589     mov                                                                 \
1590     pcm_mulaw=mulaw                                                     \
1591     mxf="mxf mxf_d10"                                                   \
1592     nut                                                                 \
1593     ogg                                                                 \
1594     rawvideo=pixfmt                                                     \
1595     rm                                                                  \
1596     swf                                                                 \
1597     mpegts=ts                                                           \
1598     voc                                                                 \
1599     wav                                                                 \
1600     yuv4mpegpipe=yuv4mpeg                                               \
1601
1602 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1603 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1604
1605 # default parameters
1606
1607 logfile="config.log"
1608
1609 # installation paths
1610 prefix_default="/usr/local"
1611 bindir_default='${prefix}/bin'
1612 datadir_default='${prefix}/share/avconv'
1613 incdir_default='${prefix}/include'
1614 libdir_default='${prefix}/lib'
1615 mandir_default='${prefix}/share/man'
1616 shlibdir_default="$libdir_default"
1617
1618 # toolchain
1619 ar_default="ar"
1620 cc_default="gcc"
1621 cc_version=\"unknown\"
1622 host_cc_default="gcc"
1623 ln_s="ln -sf"
1624 nm_default="nm"
1625 objformat="elf"
1626 pkg_config_default=pkg-config
1627 ranlib="ranlib"
1628 yasmexe="yasm"
1629 nogas=":"
1630
1631 nm_opts='-g'
1632
1633 # machine
1634 arch_default=$(uname -m)
1635 cpu="generic"
1636
1637 # OS
1638 target_os_default=$(tolower $(uname -s))
1639 host_os=$target_os_default
1640
1641 # configurable options
1642 enable avcodec
1643 enable avdevice
1644 enable avfilter
1645 enable avformat
1646 enable avutil
1647 enable asm
1648 enable debug
1649 enable doc
1650 enable fastdiv
1651 enable ffmpeg
1652 enable avconv
1653 enable avplay
1654 enable avprobe
1655 enable avserver
1656 enable network
1657 enable optimizations
1658 enable postproc
1659 enable protocols
1660 enable static
1661 enable swscale
1662 enable swscale_alpha
1663
1664 # build settings
1665 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1666 AVSERVERLDFLAGS=-Wl,-E
1667 LIBPREF="lib"
1668 LIBSUF=".a"
1669 FULLNAME='$(NAME)$(BUILDSUF)'
1670 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1671 SLIBPREF="lib"
1672 SLIBSUF=".so"
1673 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1674 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1675 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1676 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1677 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1678 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1679
1680 AS_O='-o $@'
1681 CC_O='-o $@'
1682
1683 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1684 host_libs='-lm'
1685
1686 target_path='$(CURDIR)'
1687
1688 # since the object filename is not given with the -MM flag, the compiler
1689 # is only able to print the basename, and we must add the path ourselves
1690 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1691 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1692
1693 # find source path
1694 if test -f configure; then
1695     source_path=.
1696 else
1697     source_path=$(cd $(dirname "$0"); pwd)
1698     echo "$source_path" | grep -q '[[:blank:]]' &&
1699         die "Out of tree builds are impossible with whitespace in source path."
1700     test -e "$source_path/config.h" &&
1701         die "Out of tree builds are impossible with config.h in source dir."
1702 fi
1703
1704 for v in "$@"; do
1705     r=${v#*=}
1706     l=${v%"$r"}
1707     r=$(sh_quote "$r")
1708     LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1709 done
1710
1711 find_things(){
1712     thing=$1
1713     pattern=$2
1714     file=$source_path/$3
1715     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1716 }
1717
1718 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1719 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1720 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1721 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1722 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1723 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1724 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1725 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1726 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1727 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1728 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1729
1730 find_tests(){
1731     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1732 }
1733
1734 ACODEC_TESTS=$(find_tests acodec)
1735 VCODEC_TESTS=$(find_tests vsynth1)
1736 LAVF_TESTS=$(find_tests lavf)
1737 LAVFI_TESTS=$(find_tests lavfi)
1738 SEEK_TESTS=$(find_tests seek seek_)
1739
1740 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1741
1742 for n in $COMPONENT_LIST; do
1743     v=$(toupper ${n%s})_LIST
1744     eval enable \$$v
1745     eval ${n}_if_any="\$$v"
1746 done
1747
1748 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1749
1750 die_unknown(){
1751     echo "Unknown option \"$1\"."
1752     echo "See $0 --help for available options."
1753     exit 1
1754 }
1755
1756 show_list() {
1757     suffix=_$1
1758     shift
1759     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1760     exit 0
1761 }
1762
1763 for opt do
1764     optval="${opt#*=}"
1765     case "$opt" in
1766     --extra-ldflags=*) add_ldflags $optval
1767     ;;
1768     --extra-libs=*) add_extralibs $optval
1769     ;;
1770     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1771     ;;
1772     --enable-debug=*) debuglevel="$optval"
1773     ;;
1774     --disable-everything)
1775     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1776     ;;
1777     --enable-*=*|--disable-*=*)
1778     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1779     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1780     eval list=\$$(toupper $thing)_LIST
1781     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1782     $action $(filter "$name" $list)
1783     ;;
1784     --enable-?*|--disable-?*)
1785     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1786     if is_in $option $COMPONENT_LIST; then
1787         test $action = disable && action=unset
1788         eval $action \$$(toupper ${option%s})_LIST
1789     elif is_in $option $CMDLINE_SELECT; then
1790         $action $option
1791     else
1792         die_unknown $opt
1793     fi
1794     ;;
1795     --list-*)
1796         NAME="${opt#--list-}"
1797         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1798         NAME=${NAME%s}
1799         eval show_list $NAME \$$(toupper $NAME)_LIST
1800     ;;
1801     --help|-h) show_help
1802     ;;
1803     *)
1804     optname="${opt%%=*}"
1805     optname="${optname#--}"
1806     optname=$(echo "$optname" | sed 's/-/_/g')
1807     if is_in $optname $CMDLINE_SET; then
1808         eval $optname='$optval'
1809     elif is_in $optname $CMDLINE_APPEND; then
1810         append $optname "$optval"
1811     else
1812          die_unknown $opt
1813     fi
1814     ;;
1815     esac
1816 done
1817
1818 disabled logging && logfile=/dev/null
1819
1820 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1821 set >> $logfile
1822
1823 test -n "$cross_prefix" && enable cross_compile
1824
1825 if enabled cross_compile; then
1826     test -n "$arch" && test -n "$target_os" ||
1827         die "Must specify target arch and OS when cross-compiling"
1828 fi
1829
1830 set_default arch target_os
1831
1832 ar_default="${cross_prefix}${ar_default}"
1833 cc_default="${cross_prefix}${cc_default}"
1834 nm_default="${cross_prefix}${nm_default}"
1835 pkg_config_default="${cross_prefix}${pkg_config_default}"
1836 ranlib="${cross_prefix}${ranlib}"
1837
1838 sysinclude_default="${sysroot}/usr/include"
1839
1840 set_default cc nm pkg_config sysinclude
1841 enabled cross_compile || host_cc_default=$cc
1842 set_default host_cc
1843
1844 if ! $pkg_config --version >/dev/null 2>&1; then
1845     warn "$pkg_config not found, library detection may fail."
1846     pkg_config=false
1847 fi
1848
1849 exesuf() {
1850     case $1 in
1851         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1852     esac
1853 }
1854
1855 EXESUF=$(exesuf $target_os)
1856 HOSTEXESUF=$(exesuf $host_os)
1857
1858 # set temporary file name
1859 : ${TMPDIR:=$TEMPDIR}
1860 : ${TMPDIR:=$TMP}
1861 : ${TMPDIR:=/tmp}
1862
1863 if ! check_cmd mktemp -u XXXXXX; then
1864     # simple replacement for missing mktemp
1865     # NOT SAFE FOR GENERAL USE
1866     mktemp(){
1867         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1868     }
1869 fi
1870
1871 tmpfile(){
1872     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1873         (set -C; exec > $tmp) 2>/dev/null ||
1874         die "Unable to create temporary file in $TMPDIR."
1875     append TMPFILES $tmp
1876     eval $1=$tmp
1877 }
1878
1879 trap 'rm -f -- $TMPFILES' EXIT
1880
1881 tmpfile TMPC  .c
1882 tmpfile TMPE  $EXESUF
1883 tmpfile TMPH  .h
1884 tmpfile TMPO  .o
1885 tmpfile TMPS  .S
1886 tmpfile TMPV  .ver
1887 tmpfile TMPSH .sh
1888 tmpfile TMPASM .asm
1889
1890 unset -f mktemp
1891
1892 chmod +x $TMPE
1893
1894 # make sure we can execute files in $TMPDIR
1895 cat > $TMPSH 2>> $logfile <<EOF
1896 #! /bin/sh
1897 EOF
1898 chmod +x $TMPSH >> $logfile 2>&1
1899 if ! $TMPSH >> $logfile 2>&1; then
1900     cat <<EOF
1901 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1902 variable to another directory and make sure that it is not mounted noexec.
1903 EOF
1904     die "Sanity test failed."
1905 fi
1906
1907 filter_cflags=echo
1908 filter_cppflags=echo
1909 filter_asflags=echo
1910
1911 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1912     cc_type=llvm_gcc
1913     cc_version=__VERSION__
1914     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1915     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1916     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1917     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1918     speed_cflags='-O3'
1919     size_cflags='-Os'
1920 elif $cc -v 2>&1 | grep -qi ^gcc; then
1921     cc_type=gcc
1922     cc_version=__VERSION__
1923     gcc_version=$($cc --version | head -n1)
1924     gcc_basever=$($cc -dumpversion)
1925     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1926     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1927     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1928     if ! $cc -dumpversion | grep -q '^2\.'; then
1929         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1930         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1931     fi
1932     speed_cflags='-O3'
1933     size_cflags='-Os'
1934 elif $cc --version 2>/dev/null | grep -q Intel; then
1935     cc_type=icc
1936     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1937     cc_ident=$($cc --version | head -n1)
1938     icc_version=$($cc -dumpversion)
1939     CC_DEPFLAGS='-MMD'
1940     AS_DEPFLAGS='-MMD'
1941     speed_cflags='-O3'
1942     size_cflags='-Os'
1943     noopt_cflags='-O1'
1944 elif $cc -v 2>&1 | grep -q xlc; then
1945     cc_type=xlc
1946     cc_version="AV_STRINGIFY(__IBMC__)"
1947     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1948     speed_cflags='-O5'
1949     size_cflags='-O5 -qcompact'
1950 elif $cc -V 2>/dev/null | grep -q Compaq; then
1951     cc_type=ccc
1952     cc_version="AV_STRINGIFY(__DECC_VER)"
1953     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1954     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1955     debuglevel=3
1956     add_ldflags -Wl,-z,now # calls to libots crash without this
1957     speed_cflags='-fast'
1958     size_cflags='-O1'
1959 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1960     test -d "$sysroot" || die "No valid sysroot specified."
1961     cc_type=armcc
1962     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1963     cc_ident=$($cc --vsn | head -n1)
1964     armcc_conf="$PWD/armcc.conf"
1965     $cc --arm_linux_configure                 \
1966         --arm_linux_config_file="$armcc_conf" \
1967         --configure_sysroot="$sysroot"        \
1968         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1969         die "Error creating armcc configuration file."
1970     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1971     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1972     as_default="${cross_prefix}gcc"
1973     CC_DEPFLAGS='-MMD'
1974     AS_DEPFLAGS='-MMD'
1975     speed_cflags='-O3'
1976     size_cflags='-Os'
1977     filter_asflags="filter_out -W${armcc_opt}*"
1978 elif $cc -version 2>/dev/null | grep -q TMS470; then
1979     cc_type=tms470
1980     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1981     cc_ident=$($cc -version | head -n1 | tr -s ' ')
1982     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1983     CC_O='-fr=$(@D)'
1984     as_default="${cross_prefix}gcc"
1985     ld_default="${cross_prefix}gcc"
1986     TMPO=$(basename $TMPC .c).o
1987     append TMPFILES $TMPO
1988     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1989     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1990     AS_DEPFLAGS='-MMD'
1991     speed_cflags='-O3 -mf=5'
1992     size_cflags='-O3 -mf=2'
1993     filter_cflags=tms470_flags
1994     tms470_flags(){
1995         for flag; do
1996             case $flag in
1997                 -march=*|-mcpu=*)
1998                     case "${flag#*=}" in
1999                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2000                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2001                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2002                         armv6*|arm11*)          echo -mv=6   ;;
2003                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2004                                                 echo -mv=5e  ;;
2005                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2006                     esac
2007                     ;;
2008                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2009                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2010                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2011                 -msoft-float)   echo --float_support=vfplib       ;;
2012                 -O[0-3]|-mf=*)  echo $flag                        ;;
2013                 -g)             echo -g -mn                       ;;
2014                 -pds=*)         echo $flag                        ;;
2015             esac
2016         done
2017     }
2018 elif $cc -v 2>&1 | grep -q clang; then
2019     cc_type=clang
2020     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2021         cc_version=__clang_version__ || cc_version=__VERSION__
2022     cc_ident=$($cc --version | head -n1)
2023     CC_DEPFLAGS='-MMD'
2024     AS_DEPFLAGS='-MMD'
2025     speed_cflags='-O3'
2026     size_cflags='-Os'
2027 elif $cc -V 2>&1 | grep -q Sun; then
2028     cc_type=suncc
2029     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2030     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2031     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2032     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2033     add_ldflags -xc99
2034     speed_cflags='-O5'
2035     size_cflags='-O5 -xspace'
2036     filter_cflags=suncc_flags
2037     suncc_flags(){
2038         for flag; do
2039             case $flag in
2040                 -march=*|-mcpu=*)
2041                     case "${flag#*=}" in
2042                         native)                   echo -xtarget=native       ;;
2043                         v9|niagara)               echo -xarch=sparc          ;;
2044                         ultrasparc)               echo -xarch=sparcvis       ;;
2045                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2046                         i586|pentium)             echo -xchip=pentium        ;;
2047                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2048                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2049                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2050                         pentium4*)          echo -xtarget=pentium4           ;;
2051                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2052                         *-sse3)             echo -xarch=sse3                 ;;
2053                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2054                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2055                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2056                         k8|opteron|athlon64|athlon-fx)
2057                                                   echo -xarch=sse2a          ;;
2058                         athlon*)                  echo -xarch=pentium_proa   ;;
2059                     esac
2060                     ;;
2061                 -std=c99)             echo -xc99              ;;
2062                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2063                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2064                 -W*,*)                echo $flag              ;;
2065                 -f*-*|-W*)                                    ;;
2066                 *)                    echo $flag              ;;
2067             esac
2068         done
2069     }
2070 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2071     cc_type=pathscale
2072     cc_version=__PATHSCALE__
2073     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2074     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2075     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2076     speed_cflags='-O2'
2077     size_cflags='-Os'
2078     filter_cflags='filter_out -Wdisabled-optimization'
2079 elif $cc -v 2>&1 | grep -q Open64; then
2080     cc_type=open64
2081     cc_version=__OPEN64__
2082     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2083     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2084     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2085     speed_cflags='-O2'
2086     size_cflags='-Os'
2087     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2088 fi
2089
2090 test -n "$cc_type" && enable $cc_type ||
2091     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2092
2093 : ${as_default:=$cc}
2094 : ${dep_cc_default:=$cc}
2095 : ${ld_default:=$cc}
2096 set_default ar as dep_cc ld
2097
2098 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2099 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2100
2101 add_cflags $extra_cflags
2102 add_asflags $extra_cflags
2103
2104 if test -n "$sysroot"; then
2105     case "$cc_type" in
2106         gcc|llvm_gcc|clang)
2107             add_cppflags --sysroot="$sysroot"
2108             add_ldflags --sysroot="$sysroot"
2109         ;;
2110         tms470)
2111             add_cppflags -I"$sysinclude"
2112             add_ldflags  --sysroot="$sysroot"
2113         ;;
2114     esac
2115 fi
2116
2117 if test "$cpu" = host; then
2118     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2119
2120     case "$cc_type" in
2121         gcc|llvm_gcc)
2122             check_native(){
2123                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2124                 sed -n "/cc1.*$1=/{
2125                             s/.*$1=\\([^ ]*\\).*/\\1/
2126                             p
2127                             q
2128                         }" $TMPE
2129             }
2130             cpu=$(check_native -march || check_native -mcpu)
2131         ;;
2132     esac
2133
2134     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2135 fi
2136
2137 # Deal with common $arch aliases
2138 case "$arch" in
2139     arm*)
2140         arch="arm"
2141     ;;
2142     mips|mipsel|IP*)
2143         arch="mips"
2144     ;;
2145     mips64*)
2146         arch="mips"
2147         subarch="mips64"
2148     ;;
2149     parisc|hppa)
2150         arch="parisc"
2151     ;;
2152     parisc64|hppa64)
2153         arch="parisc"
2154         subarch="parisc64"
2155     ;;
2156     "Power Macintosh"|ppc|powerpc)
2157         arch="ppc"
2158     ;;
2159     ppc64|powerpc64)
2160         arch="ppc"
2161         subarch="ppc64"
2162     ;;
2163     s390|s390x)
2164         arch="s390"
2165     ;;
2166     sh4|sh)
2167         arch="sh4"
2168     ;;
2169     sun4u|sparc64)
2170         arch="sparc"
2171         subarch="sparc64"
2172     ;;
2173     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2174         arch="x86"
2175     ;;
2176 esac
2177
2178 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2179 enable $arch
2180
2181 # Add processor-specific flags
2182 if test "$cpu" = generic; then
2183     : do nothing
2184 elif enabled ppc; then
2185
2186     case $(tolower $cpu) in
2187         601|ppc601|powerpc601)
2188             cpuflags="-mcpu=601"
2189             disable altivec
2190         ;;
2191         603*|ppc603*|powerpc603*)
2192             cpuflags="-mcpu=603"
2193             disable altivec
2194         ;;
2195         604*|ppc604*|powerpc604*)
2196             cpuflags="-mcpu=604"
2197             disable altivec
2198         ;;
2199         g3|75*|ppc75*|powerpc75*)
2200             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2201             disable altivec
2202         ;;
2203         g4|745*|ppc745*|powerpc745*)
2204             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2205         ;;
2206         74*|ppc74*|powerpc74*)
2207             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2208         ;;
2209         g5|970|ppc970|powerpc970|power4*)
2210             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2211         ;;
2212         cell)
2213             cpuflags="-mcpu=cell"
2214             enable ldbrx
2215         ;;
2216         e500v2)
2217             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2218             disable altivec
2219         ;;
2220         e500)
2221             cpuflags="-mcpu=8540 -mhard-float"
2222             disable altivec
2223         ;;
2224     esac
2225
2226 elif enabled x86; then
2227
2228     case $cpu in
2229         i[345]86|pentium)
2230             cpuflags="-march=$cpu"
2231             disable mmx
2232         ;;
2233         # targets that do NOT support conditional mov (cmov)
2234         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2235             cpuflags="-march=$cpu"
2236             disable cmov
2237         ;;
2238         # targets that do support conditional mov (cmov)
2239         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2240             cpuflags="-march=$cpu"
2241             enable cmov
2242             enable fast_cmov
2243         ;;
2244         # targets that do support conditional mov but on which it's slow
2245         pentium4|pentium4m|prescott|nocona)
2246             cpuflags="-march=$cpu"
2247             enable cmov
2248             disable fast_cmov
2249         ;;
2250     esac
2251
2252 elif enabled sparc; then
2253
2254     case $cpu in
2255         niagara)
2256             cpuflags="-mcpu=$cpu"
2257             disable vis
2258         ;;
2259         sparc64)
2260             cpuflags="-mcpu=v9"
2261         ;;
2262     esac
2263
2264 elif enabled arm; then
2265
2266     case $cpu in
2267         armv*)
2268             cpuflags="-march=$cpu"
2269             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2270         ;;
2271         *)
2272             cpuflags="-mcpu=$cpu"
2273             case $cpu in
2274                 cortex-a*)                               subarch=armv7a  ;;
2275                 cortex-r*)                               subarch=armv7r  ;;
2276                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2277                 arm11*)                                  subarch=armv6   ;;
2278                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2279                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2280             esac
2281         ;;
2282     esac
2283
2284 elif enabled alpha; then
2285
2286     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2287
2288 elif enabled bfin; then
2289
2290     cpuflags="-mcpu=$cpu"
2291
2292 elif enabled mips; then
2293
2294     cpuflags="-march=$cpu"
2295
2296 elif enabled avr32; then
2297
2298     case $cpu in
2299         ap7[02]0[0-2])
2300             subarch="avr32_ap"
2301             cpuflags="-mpart=$cpu"
2302         ;;
2303         ap)
2304             subarch="avr32_ap"
2305             cpuflags="-march=$cpu"
2306         ;;
2307         uc3[ab]*)
2308             subarch="avr32_uc"
2309             cpuflags="-mcpu=$cpu"
2310         ;;
2311         uc)
2312             subarch="avr32_uc"
2313             cpuflags="-march=$cpu"
2314         ;;
2315     esac
2316
2317 fi
2318
2319 add_cflags $cpuflags
2320 add_asflags $cpuflags
2321
2322 # compiler sanity check
2323 check_exec <<EOF
2324 int main(void){ return 0; }
2325 EOF
2326 if test "$?" != 0; then
2327     echo "$cc is unable to create an executable file."
2328     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2329         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2330         echo "Only do this if you know what cross compiling means."
2331     fi
2332     die "C compiler test failed."
2333 fi
2334
2335 add_cppflags -D_ISOC99_SOURCE
2336 check_cflags -std=c99
2337 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2338 #include <stdlib.h>
2339 EOF
2340 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2341 #include <stdlib.h>
2342 EOF
2343
2344 check_host_cflags -std=c99
2345 check_host_cflags -Wall
2346
2347 case "$arch" in
2348     alpha|ia64|mips|parisc|sparc)
2349         spic=$shared
2350     ;;
2351     x86)
2352         subarch="x86_32"
2353         check_cc <<EOF && subarch="x86_64"
2354         int test[(int)sizeof(char*) - 7];
2355 EOF
2356         if test "$subarch" = "x86_64"; then
2357             spic=$shared
2358         fi
2359     ;;
2360 esac
2361
2362 enable $subarch
2363 enabled spic && enable pic
2364
2365 # OS specific
2366 case $target_os in
2367     haiku)
2368         prefix_default="/boot/common"
2369         network_extralibs="-lnetwork"
2370         host_libs=
2371         ;;
2372     sunos)
2373         AVSERVERLDFLAGS=""
2374         SHFLAGS='-shared -Wl,-h,$$(@F)'
2375         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2376         network_extralibs="-lsocket -lnsl"
2377         add_cppflags -D__EXTENSIONS__
2378         # When using suncc to build, the Solaris linker will mark
2379         # an executable with each instruction set encountered by
2380         # the Solaris assembler.  As our libraries contain their own
2381         # guards for processor-specific code, instead suppress
2382         # generation of the HWCAPS ELF section on Solaris x86 only.
2383         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2384         nm_opts='-P -g'
2385         ;;
2386     netbsd)
2387         disable symver
2388         oss_indev_extralibs="-lossaudio"
2389         oss_outdev_extralibs="-lossaudio"
2390         ;;
2391     openbsd)
2392         enable malloc_aligned
2393         # On OpenBSD 4.5. the compiler does not use PIC unless
2394         # explicitly using -fPIC. Libav builds fine without PIC,
2395         # however the generated executable will not do anything
2396         # (simply quits with exit-code 1, no crash, no output).
2397         # Thus explicitly enable PIC here.
2398         enable pic
2399         disable symver
2400         SHFLAGS='-shared'
2401         oss_indev_extralibs="-lossaudio"
2402         oss_outdev_extralibs="-lossaudio"
2403         ;;
2404     dragonfly)
2405         enable malloc_aligned
2406         disable symver
2407         ;;
2408     freebsd)
2409         enable malloc_aligned
2410         ;;
2411     bsd/os)
2412         add_extralibs -lpoll -lgnugetopt
2413         ;;
2414     darwin)
2415         enable malloc_aligned
2416         gas="gas-preprocessor.pl $cc"
2417         enabled ppc && add_asflags -force_cpusubtype_ALL
2418         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2419         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2420         add_ldflags -Wl,-dynamic,-search_paths_first
2421         SLIBSUF=".dylib"
2422         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2423         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2424         AVSERVERLDFLAGS=-Wl,-bind_at_load
2425         objformat="macho"
2426         enabled x86_64 && objformat="macho64"
2427         enabled_any pic shared ||
2428             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2429         ;;
2430     mingw32*)
2431         if test $target_os = "mingw32ce"; then
2432             disable network
2433         else
2434             target_os=mingw32
2435         fi
2436         LIBTARGET=i386
2437         if enabled x86_64; then
2438             enable malloc_aligned
2439             LIBTARGET="i386:x86-64"
2440         elif enabled arm; then
2441             LIBTARGET=arm-wince
2442         fi
2443         shlibdir_default="$bindir_default"
2444         SLIBPREF=""
2445         SLIBSUF=".dll"
2446         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2447         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2448         SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2449         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2450         SLIB_INSTALL_LINKS=
2451         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2452         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2453         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'
2454         objformat="win32"
2455         dlltool="${cross_prefix}dlltool"
2456         enable dos_paths
2457         check_cflags -fno-common
2458         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2459                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2460                 die "ERROR: MinGW runtime version must be >= 3.15."
2461         add_cppflags -U__STRICT_ANSI__
2462         ;;
2463     cygwin*)
2464         target_os=cygwin
2465         shlibdir_default="$bindir_default"
2466         SLIBPREF="cyg"
2467         SLIBSUF=".dll"
2468         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2469         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2470         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2471         objformat="win32"
2472         enable dos_paths
2473         check_cflags -fno-common
2474         add_cppflags -U__STRICT_ANSI__
2475         ;;
2476     *-dos|freedos|opendos)
2477         network_extralibs="-lsocket"
2478         objformat="coff"
2479         enable dos_paths
2480         add_cppflags -U__STRICT_ANSI__
2481         ;;
2482     linux)
2483         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2484         enable dv1394
2485         ;;
2486     irix*)
2487         target_os=irix
2488         ranlib="echo ignoring ranlib"
2489         ;;
2490     os/2*)
2491         ln_s="cp -f"
2492         objformat="aout"
2493         add_cppflags -D_GNU_SOURCE
2494         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2495         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2496         AVSERVERLDFLAGS=""
2497         LIBSUF="_s.a"
2498         SLIBPREF=""
2499         SLIBSUF=".dll"
2500         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2501         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2502         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2503           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2504           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2505           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2506           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2507           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2508         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2509           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2510         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2511         enable dos_paths
2512         ;;
2513     gnu/kfreebsd)
2514         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2515         ;;
2516     gnu)
2517         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2518         ;;
2519     qnx)
2520         add_cppflags -D_QNX_SOURCE
2521         network_extralibs="-lsocket"
2522         ;;
2523     symbian)
2524         SLIBSUF=".dll"
2525         enable dos_paths
2526         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2527         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2528         add_ldflags -Wl,--target1-abs,--no-undefined \
2529                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2530                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2531         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2532                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2533                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2534         ;;
2535     none)
2536         ;;
2537     *)
2538         die "Unknown OS '$target_os'."
2539         ;;
2540 esac
2541
2542 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2543
2544 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2545
2546 set_default $PATHS_LIST
2547
2548 # we need to build at least one lib type
2549 if ! enabled_any static shared; then
2550     cat <<EOF
2551 At least one library type must be built.
2552 Specify --enable-static to build the static libraries or --enable-shared to
2553 build the shared libraries as well. To only build the shared libraries specify
2554 --disable-static in addition to --enable-shared.
2555 EOF
2556     exit 1;
2557 fi
2558
2559 die_license_disabled() {
2560     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2561 }
2562
2563 die_license_disabled gpl libcdio
2564 die_license_disabled gpl libx264
2565 die_license_disabled gpl libxavs
2566 die_license_disabled gpl libxvid
2567 die_license_disabled gpl x11grab
2568
2569 die_license_disabled nonfree libfaac
2570
2571 die_license_disabled version3 libopencore_amrnb
2572 die_license_disabled version3 libopencore_amrwb
2573 die_license_disabled version3 libvo_aacenc
2574 die_license_disabled version3 libvo_amrwbenc
2575
2576 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2577
2578 disabled optimizations || check_cflags -fomit-frame-pointer
2579
2580 enable_pic() {
2581     enable pic
2582     add_cppflags -DPIC
2583     add_cflags   -fPIC
2584     add_asflags  -fPIC
2585 }
2586
2587 enabled pic && enable_pic
2588
2589 check_cc <<EOF || die "Symbol mangling check failed."
2590 int ff_extern;
2591 EOF
2592 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2593 extern_prefix=${sym%%ff_extern*}
2594
2595 check_cc <<EOF && enable inline_asm
2596 void foo(void) { __asm__ volatile ("" ::); }
2597 EOF
2598
2599 _restrict=
2600 for restrict_keyword in restrict __restrict__ __restrict; do
2601     check_cc <<EOF && _restrict=$restrict_keyword && break
2602 void foo(char * $restrict_keyword p);
2603 EOF
2604 done
2605
2606 check_cc <<EOF && enable attribute_packed
2607 struct { int x; } __attribute__((packed)) x;
2608 EOF
2609
2610 check_cc <<EOF && enable attribute_may_alias
2611 union { int x; } __attribute__((may_alias)) x;
2612 EOF
2613
2614 check_cc <<EOF || die "endian test failed"
2615 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2616 EOF
2617 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2618
2619 if enabled alpha; then
2620
2621     check_cflags -mieee
2622
2623 elif enabled arm; then
2624
2625     enabled thumb && check_cflags -mthumb || check_cflags -marm
2626     nogas=die
2627
2628     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2629         enable vfp_args
2630     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2631         case "${cross_prefix:-$cc}" in
2632             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2633             *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2634 __asm__ (".eabi_attribute 28, 1");
2635 int main(void) { return 0; }
2636 EOF
2637         esac
2638         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2639     fi
2640
2641     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2642     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2643     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2644     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2645     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2646     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2647     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2648
2649     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2650
2651     enabled_all armv6t2 shared !pic && enable_pic
2652
2653 elif enabled mips; then
2654
2655     check_asm loongson '"dmult.g $1, $2, $3"'
2656     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2657
2658 elif enabled ppc; then
2659
2660     enable local_aligned_8 local_aligned_16
2661
2662     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2663     check_asm ibm_asm   '"add 0, 0, 0"'
2664     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2665     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2666
2667     # AltiVec flags: The FSF version of GCC differs from the Apple version
2668     if enabled altivec; then
2669         nogas=warn
2670         check_cflags -maltivec -mabi=altivec &&
2671         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2672         check_cflags -faltivec
2673
2674         # check if our compiler supports Motorola AltiVec C API
2675         check_cc <<EOF || disable altivec
2676 $inc_altivec_h
2677 int main(void) {
2678     vector signed int v1, v2, v3;
2679     v1 = vec_add(v2,v3);
2680     return 0;
2681 }
2682 EOF
2683
2684         # check if our compiler supports braces for vector declarations
2685         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2686 $inc_altivec_h
2687 int main (void) { (vector int) {1}; return 0; }
2688 EOF
2689     fi
2690
2691 elif enabled sparc; then
2692
2693     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2694         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2695
2696 elif enabled x86; then
2697
2698     enable local_aligned_8 local_aligned_16
2699
2700     # check whether EBP is available on x86
2701     # As 'i' is stored on the stack, this program will crash
2702     # if the base pointer is used to access it because the
2703     # base pointer is cleared in the inline assembly code.
2704     check_exec_crash <<EOF && enable ebp_available
2705     volatile int i=0;
2706     __asm__ volatile (
2707         "xorl %%ebp, %%ebp"
2708     ::: "%ebp");
2709     return i;
2710 EOF
2711
2712     # check whether EBX is available on x86
2713     check_asm ebx_available '""::"b"(0)' &&
2714         check_asm ebx_available '"":::"%ebx"'
2715
2716     # check whether xmm clobbers are supported
2717     check_asm xmm_clobbers '"":::"%xmm0"'
2718
2719     # check whether binutils is new enough to compile SSSE3/MMX2
2720     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2721     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2722
2723     check_asm bswap '"bswap %%eax" ::: "%eax"'
2724
2725     if ! disabled_any asm mmx yasm; then
2726         if check_cmd $yasmexe --version; then
2727             enabled x86_64 && yasm_extra="-m amd64"
2728             yasm_debug="-g dwarf2"
2729         elif check_cmd nasm -v; then
2730             yasmexe=nasm
2731             yasm_debug="-g -F dwarf"
2732             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2733         fi
2734
2735         YASMFLAGS="-f $objformat $yasm_extra"
2736         enabled pic               && append YASMFLAGS "-DPIC"
2737         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2738         case "$objformat" in
2739             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2740         esac
2741
2742         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2743             die "yasm not found, use --disable-yasm for a crippled build"
2744         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2745     fi
2746
2747     case "$cpu" in
2748         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2749             disable fast_clz
2750         ;;
2751     esac
2752
2753 fi
2754
2755 if enabled asm; then
2756     as=${gas:=$as}
2757     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2758         $nogas "GNU assembler not found, install gas-preprocessor"
2759 fi
2760
2761 check_ldflags -Wl,--as-needed
2762
2763 if check_func dlopen; then
2764     ldl=
2765 elif check_func dlopen -ldl; then
2766     ldl=-ldl
2767 fi
2768
2769 if enabled network; then
2770     check_type "sys/types.h sys/socket.h" socklen_t
2771     check_type netdb.h "struct addrinfo"
2772     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2773     check_type netinet/in.h "struct sockaddr_in6"
2774     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2775     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2776     # Prefer arpa/inet.h over winsock2
2777     if check_header arpa/inet.h ; then
2778         check_func closesocket
2779     elif check_header winsock2.h ; then
2780         check_func_headers winsock2.h closesocket -lws2 && \
2781             network_extralibs="-lws2" || \
2782         { check_func_headers winsock2.h closesocket -lws2_32 && \
2783             network_extralibs="-lws2_32"; }
2784         check_type ws2tcpip.h socklen_t
2785         check_type ws2tcpip.h "struct addrinfo"
2786         check_type ws2tcpip.h "struct ipv6_mreq"
2787         check_type ws2tcpip.h "struct sockaddr_in6"
2788         check_type ws2tcpip.h "struct sockaddr_storage"
2789         check_struct winsock2.h "struct sockaddr" sa_len
2790     else
2791         disable network
2792     fi
2793 fi
2794
2795 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2796 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2797
2798 check_func  fcntl
2799 check_func  fork
2800 check_func  getaddrinfo $network_extralibs
2801 check_func  gethrtime
2802 check_func  getrusage
2803 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2804 check_func  inet_aton $network_extralibs
2805 check_func  isatty
2806 check_func  localtime_r
2807 check_func  ${malloc_prefix}memalign            && enable memalign
2808 check_func  mkstemp
2809 check_func  mmap
2810 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2811 check_func  setrlimit
2812 check_func  strerror_r
2813 check_func  strptime
2814 check_func  strtok_r
2815 check_func_headers io.h setmode
2816 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2817 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2818 check_func_headers windows.h GetProcessTimes
2819 check_func_headers windows.h MapViewOfFile
2820 check_func_headers windows.h VirtualAlloc
2821
2822 check_header dlfcn.h
2823 check_header dxva2api.h
2824 check_header malloc.h
2825 check_header poll.h
2826 check_header sys/mman.h
2827 check_header sys/resource.h
2828 check_header sys/select.h
2829 check_header vdpau/vdpau.h
2830 check_header vdpau/vdpau_x11.h
2831 check_header X11/extensions/XvMClib.h
2832
2833 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2834
2835 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2836 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2837
2838 # check for some common methods of building with pthread support
2839 # do this before the optional library checks as some of them require pthreads
2840 if ! disabled pthreads && ! enabled w32threads; then
2841     enable pthreads
2842     if check_func pthread_create; then
2843         :
2844     elif check_func pthread_create -pthread; then
2845         add_cflags -pthread
2846         add_extralibs -pthread
2847     elif check_func pthread_create -pthreads; then
2848         add_cflags -pthreads
2849         add_extralibs -pthreads
2850     elif check_func pthread_create -lpthreadGC2; then
2851         add_extralibs -lpthreadGC2
2852     elif ! check_lib pthread.h pthread_create -lpthread; then
2853         disable pthreads
2854     fi
2855 fi
2856
2857 for thread in $THREADS_LIST; do
2858     if enabled $thread; then
2859         test -n "$thread_type" &&
2860             die "ERROR: Only one thread type must be selected." ||
2861             thread_type="$thread"
2862     fi
2863 done
2864
2865 check_lib math.h sin -lm && LIBM="-lm"
2866 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2867
2868 check_mathfunc exp2
2869 check_mathfunc exp2f
2870 check_mathfunc llrint
2871 check_mathfunc llrintf
2872 check_mathfunc log2
2873 check_mathfunc log2f
2874 check_mathfunc lrint
2875 check_mathfunc lrintf
2876 check_mathfunc round
2877 check_mathfunc roundf
2878 check_mathfunc trunc
2879 check_mathfunc truncf
2880
2881 # these are off by default, so fail if requested and not available
2882 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2883 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2884 enabled libdirac   && require_pkg_config dirac                          \
2885     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2886     "dirac_decoder_init dirac_encoder_init"
2887 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2888 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2889 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2890 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2891 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2892 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2893 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2894 enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2895 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2896 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2897 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2898 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2899 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2900 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2901 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2902 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2903 enabled libvpx     && {
2904     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2905                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2906     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2907                                 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2908 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2909                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2910                         die "ERROR: libx264 version must be >= 0.118."; }
2911 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2912 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2913 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2914
2915 # libdc1394 check
2916 if enabled libdc1394; then
2917     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2918         enable libdc1394_2; } ||
2919     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2920         enable libdc1394_1; } ||
2921     die "ERROR: No version of libdc1394 found "
2922 fi
2923
2924 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2925     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2926     enable sdl &&
2927     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2928 fi
2929
2930 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2931
2932 check_header linux/fb.h
2933 check_header linux/videodev.h
2934 check_header linux/videodev2.h
2935 check_header sys/videoio.h
2936
2937 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2938 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2939 # w32api 3.12 had it defined wrong
2940 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2941
2942 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2943 { check_header dev/bktr/ioctl_meteor.h &&
2944   check_header dev/bktr/ioctl_bt848.h; } ||
2945 { check_header machine/ioctl_meteor.h &&
2946   check_header machine/ioctl_bt848.h; } ||
2947 { check_header dev/video/meteor/ioctl_meteor.h &&
2948   check_header dev/video/bktr/ioctl_bt848.h; } ||
2949 check_header dev/ic/bt8xx.h
2950
2951 check_header sndio.h
2952 check_header sys/soundcard.h
2953 check_header soundcard.h
2954
2955 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2956
2957 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2958
2959 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2960
2961 enabled libcdio &&
2962     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2963
2964 enabled x11grab                         &&
2965 check_header X11/Xlib.h                 &&
2966 check_header X11/extensions/XShm.h      &&
2967 check_header X11/extensions/Xfixes.h    &&
2968 check_func XOpenDisplay -lX11           &&
2969 check_func XShmCreateImage -lX11 -lXext &&
2970 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2971
2972 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2973 check_cpp_condition \
2974     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2975     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2976       disable vdpau; }
2977 fi
2978
2979 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2980
2981 # add some useful compiler flags if supported
2982 check_cflags -Wdeclaration-after-statement
2983 check_cflags -Wall
2984 check_cflags -Wno-parentheses
2985 check_cflags -Wno-switch
2986 check_cflags -Wno-format-zero-length
2987 check_cflags -Wdisabled-optimization
2988 check_cflags -Wpointer-arith
2989 check_cflags -Wredundant-decls
2990 check_cflags -Wno-pointer-sign
2991 check_cflags -Wcast-qual
2992 check_cflags -Wwrite-strings
2993 check_cflags -Wtype-limits
2994 check_cflags -Wundef
2995 check_cflags -Wmissing-prototypes
2996 check_cflags -Wstrict-prototypes
2997 enabled extra_warnings && check_cflags -Winline
2998
2999 # add some linker flags
3000 check_ldflags -Wl,--warn-common
3001 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3002 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3003
3004 echo "X{};" > $TMPV
3005 if test_ldflags -Wl,--version-script,$TMPV; then
3006     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3007     check_cc <<EOF && enable symver_asm_label
3008 void ff_foo(void) __asm__ ("av_foo@VERSION");
3009 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3010 EOF
3011     check_cc <<EOF && enable symver_gnu_asm
3012 __asm__(".symver ff_foo,av_foo@VERSION");
3013 void ff_foo(void) {}
3014 EOF
3015 fi
3016
3017 if [ -n "$optflags" ]; then
3018     add_cflags $optflags
3019 elif enabled small; then
3020     add_cflags $size_cflags
3021 elif enabled optimizations; then
3022     add_cflags $speed_cflags
3023 else
3024     add_cflags $noopt_cflags
3025 fi
3026 check_cflags -fno-math-errno
3027 check_cflags -fno-signed-zeros
3028
3029 if enabled icc; then
3030     # Just warnings, no remarks
3031     check_cflags -w1
3032     # -wd: Disable following warnings
3033     # 144, 167, 556: -Wno-pointer-sign
3034     # 1292: attribute "foo" ignored
3035     # 10006: ignoring unknown option -fno-signed-zeros
3036     # 10148: ignoring unknown option -Wno-parentheses
3037     # 10156: ignoring option '-W'; no argument required
3038     check_cflags -wd144,167,556,1292,10006,10148,10156
3039     # 11030: Warning unknown option --as-needed
3040     # 10156: ignoring option '-export'; no argument required
3041     check_ldflags -wd10156,11030
3042     # Allow to compile with optimizations
3043     check_ldflags -march=$cpu
3044     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3045     enable ebp_available
3046     if enabled x86_32; then
3047         test ${icc_version%%.*} -ge 11 && \
3048             check_cflags -falign-stack=maintain-16-byte || \
3049             disable aligned_stack
3050     fi
3051 elif enabled ccc; then
3052     # disable some annoying warnings
3053     add_cflags -msg_disable cvtu32to64
3054     add_cflags -msg_disable embedcomment
3055     add_cflags -msg_disable needconstext
3056     add_cflags -msg_disable nomainieee
3057     add_cflags -msg_disable ptrmismatch1
3058     add_cflags -msg_disable unreachcode
3059 elif enabled gcc; then
3060     check_cflags -fno-tree-vectorize
3061     check_cflags -Werror=implicit-function-declaration
3062     check_cflags -Werror=missing-prototypes
3063 elif enabled llvm_gcc; then
3064     check_cflags -mllvm -stack-alignment=16
3065 elif enabled clang; then
3066     check_cflags -mllvm -stack-alignment=16
3067     check_cflags -Qunused-arguments
3068 elif enabled armcc; then
3069     # 2523: use of inline assembler is deprecated
3070     add_cflags -W${armcc_opt},--diag_suppress=2523
3071     add_cflags -W${armcc_opt},--diag_suppress=1207
3072     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3073     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3074     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3075     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3076 elif enabled tms470; then
3077     add_cflags -pds=824 -pds=837
3078 elif enabled pathscale; then
3079     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3080 fi
3081
3082 enabled_any $THREADS_LIST      && enable threads
3083
3084 check_deps $CONFIG_LIST       \
3085            $CONFIG_EXTRA      \
3086            $HAVE_LIST         \
3087            $DECODER_LIST      \
3088            $ENCODER_LIST      \
3089            $HWACCEL_LIST      \
3090            $PARSER_LIST       \
3091            $BSF_LIST          \
3092            $DEMUXER_LIST      \
3093            $MUXER_LIST        \
3094            $FILTER_LIST       \
3095            $INDEV_LIST        \
3096            $OUTDEV_LIST       \
3097            $PROTOCOL_LIST     \
3098            $ACODEC_TESTS      \
3099            $VCODEC_TESTS      \
3100            $LAVF_TESTS        \
3101            $LAVFI_TESTS       \
3102            $SEEK_TESTS        \
3103
3104 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3105
3106 ! enabled_any memalign posix_memalign malloc_aligned &&
3107     enabled_any $need_memalign && enable memalign_hack
3108
3109 echo "install prefix            $prefix"
3110 echo "source path               $source_path"
3111 echo "C compiler                $cc"
3112 echo "ARCH                      $arch ($cpu)"
3113 if test "$build_suffix" != ""; then
3114     echo "build suffix              $build_suffix"
3115 fi
3116 if test "$extra_version" != ""; then
3117     echo "version string suffix     $extra_version"
3118 fi
3119 echo "big-endian                ${bigendian-no}"
3120 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3121 if enabled x86; then
3122     echo "${yasmexe}                      ${yasm-no}"
3123     echo "MMX enabled               ${mmx-no}"
3124     echo "MMX2 enabled              ${mmx2-no}"
3125     echo "3DNow! enabled            ${amd3dnow-no}"
3126     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3127     echo "SSE enabled               ${sse-no}"
3128     echo "SSSE3 enabled             ${ssse3-no}"
3129     echo "AVX enabled               ${avx-no}"
3130     echo "CMOV enabled              ${cmov-no}"
3131     echo "CMOV is fast              ${fast_cmov-no}"
3132     echo "EBX available             ${ebx_available-no}"
3133     echo "EBP available             ${ebp_available-no}"
3134 fi
3135 if enabled arm; then
3136     echo "ARMv5TE enabled           ${armv5te-no}"
3137     echo "ARMv6 enabled             ${armv6-no}"
3138     echo "ARMv6T2 enabled           ${armv6t2-no}"
3139     echo "ARM VFP enabled           ${armvfp-no}"
3140     echo "IWMMXT enabled            ${iwmmxt-no}"
3141     echo "NEON enabled              ${neon-no}"
3142 fi
3143 if enabled mips; then
3144     echo "MMI enabled               ${mmi-no}"
3145 fi
3146 if enabled ppc; then
3147     echo "AltiVec enabled           ${altivec-no}"
3148     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3149     echo "dcbzl available           ${dcbzl-no}"
3150 fi
3151 if enabled sparc; then
3152     echo "VIS enabled               ${vis-no}"
3153 fi
3154 echo "debug symbols             ${debug-no}"
3155 echo "optimize for size         ${small-no}"
3156 echo "optimizations             ${optimizations-no}"
3157 echo "static                    ${static-no}"
3158 echo "shared                    ${shared-no}"
3159 echo "postprocessing support    ${postproc-no}"
3160 echo "new filter support        ${avfilter-no}"
3161 echo "network support           ${network-no}"
3162 echo "threading support         ${thread_type-no}"
3163 echo "SDL support               ${sdl-no}"
3164 echo "Sun medialib support      ${mlib-no}"
3165 echo "libdxva2 enabled          ${dxva2-no}"
3166 echo "libva enabled             ${vaapi-no}"
3167 echo "libvdpau enabled          ${vdpau-no}"
3168 echo "AVISynth enabled          ${avisynth-no}"
3169 echo "frei0r enabled            ${frei0r-no}"
3170 echo "libcdio support           ${libcdio-no}"
3171 echo "libdc1394 support         ${libdc1394-no}"
3172 echo "libdirac enabled          ${libdirac-no}"
3173 echo "libfaac enabled           ${libfaac-no}"
3174 echo "libgsm enabled            ${libgsm-no}"
3175 echo "libmp3lame enabled        ${libmp3lame-no}"
3176 echo "libnut enabled            ${libnut-no}"
3177 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3178 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3179 echo "libopencv support         ${libopencv-no}"
3180 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3181 echo "librtmp enabled           ${librtmp-no}"
3182 echo "libschroedinger enabled   ${libschroedinger-no}"
3183 echo "libspeex enabled          ${libspeex-no}"
3184 echo "libtheora enabled         ${libtheora-no}"
3185 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3186 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3187 echo "libvorbis enabled         ${libvorbis-no}"
3188 echo "libvpx enabled            ${libvpx-no}"
3189 echo "libx264 enabled           ${libx264-no}"
3190 echo "libxavs enabled           ${libxavs-no}"
3191 echo "libxvid enabled           ${libxvid-no}"
3192 echo "zlib enabled              ${zlib-no}"
3193 echo "bzlib enabled             ${bzlib-no}"
3194 echo
3195
3196 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3197     echo "Enabled ${type}s:"
3198     eval list=\$$(toupper $type)_LIST
3199     print_enabled '_*' $list | sort | pr -r -3 -t
3200     echo
3201 done
3202
3203 license="LGPL version 2.1 or later"
3204 if enabled nonfree; then
3205     license="nonfree and unredistributable"
3206 elif enabled gplv3; then
3207     license="GPL version 3 or later"
3208 elif enabled lgplv3; then
3209     license="LGPL version 3 or later"
3210 elif enabled gpl; then
3211     license="GPL version 2 or later"
3212 fi
3213
3214 echo "License: $license"
3215
3216 echo "Creating config.mak and config.h..."
3217
3218 test -e Makefile || $ln_s "$source_path/Makefile" .
3219
3220 config_files="$TMPH config.mak"
3221
3222 cat > config.mak <<EOF
3223 # Automatically generated by configure - do not modify!
3224 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3225 prefix=$prefix
3226 LIBDIR=\$(DESTDIR)$libdir
3227 SHLIBDIR=\$(DESTDIR)$shlibdir
3228 INCDIR=\$(DESTDIR)$incdir
3229 BINDIR=\$(DESTDIR)$bindir
3230 DATADIR=\$(DESTDIR)$datadir
3231 MANDIR=\$(DESTDIR)$mandir
3232 SRC_PATH=$source_path
3233 CC_IDENT=$cc_ident
3234 ARCH=$arch
3235 CC=$cc
3236 AS=$as
3237 LD=$ld
3238 DEPCC=$dep_cc
3239 YASM=$yasmexe
3240 YASMDEP=$yasmexe
3241 AR=$ar
3242 RANLIB=$ranlib
3243 LN_S=$ln_s
3244 CPPFLAGS=$CPPFLAGS
3245 CFLAGS=$CFLAGS
3246 ASFLAGS=$ASFLAGS
3247 AS_O=$CC_O
3248 CC_O=$CC_O
3249 DLLTOOL=$dlltool
3250 LDFLAGS=$LDFLAGS
3251 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3252 SHFLAGS=$SHFLAGS
3253 YASMFLAGS=$YASMFLAGS
3254 BUILDSUF=$build_suffix
3255 FULLNAME=$FULLNAME
3256 LIBPREF=$LIBPREF
3257 LIBSUF=$LIBSUF
3258 LIBNAME=$LIBNAME
3259 SLIBPREF=$SLIBPREF
3260 SLIBSUF=$SLIBSUF
3261 EXESUF=$EXESUF
3262 EXTRA_VERSION=$extra_version
3263 DEPFLAGS=$DEPFLAGS
3264 CCDEP=$CCDEP
3265 ASDEP=$ASDEP
3266 CC_DEPFLAGS=$CC_DEPFLAGS
3267 AS_DEPFLAGS=$AS_DEPFLAGS
3268 HOSTCC=$host_cc
3269 HOSTCFLAGS=$host_cflags
3270 HOSTEXESUF=$HOSTEXESUF
3271 HOSTLDFLAGS=$host_ldflags
3272 HOSTLIBS=$host_libs
3273 TARGET_EXEC=$target_exec
3274 TARGET_PATH=$target_path
3275 SDL_LIBS=$sdl_libs
3276 SDL_CFLAGS=$sdl_cflags
3277 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3278 EXTRALIBS=$extralibs
3279 INSTALL=install
3280 LIBTARGET=${LIBTARGET}
3281 SLIBNAME=${SLIBNAME}
3282 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3283 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3284 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3285 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3286 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3287 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3288 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3289 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3290 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3291 EOF
3292
3293 get_version(){
3294     name=$1
3295     file=$source_path/$2
3296     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3297     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3298     lcname=$(tolower $name)
3299     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3300     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3301 }
3302
3303 get_version LIBSWSCALE  libswscale/swscale.h
3304 get_version LIBPOSTPROC libpostproc/postprocess.h
3305 get_version LIBAVCODEC  libavcodec/version.h
3306 get_version LIBAVDEVICE libavdevice/avdevice.h
3307 get_version LIBAVFORMAT libavformat/version.h
3308 get_version LIBAVUTIL   libavutil/avutil.h
3309 get_version LIBAVFILTER libavfilter/avfilter.h
3310
3311 cat > $TMPH <<EOF
3312 /* Automatically generated by configure - do not modify! */
3313 #ifndef LIBAV_CONFIG_H
3314 #define LIBAV_CONFIG_H
3315 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3316 #define LIBAV_LICENSE "$(c_escape $license)"
3317 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3318 #define CC_TYPE "$cc_type"
3319 #define CC_VERSION $cc_version
3320 #define restrict $_restrict
3321 #define EXTERN_PREFIX "${extern_prefix}"
3322 #define EXTERN_ASM ${extern_prefix}
3323 #define SLIBSUF "$SLIBSUF"
3324 EOF
3325
3326 test -n "$malloc_prefix" &&
3327     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3328
3329 if enabled small || disabled optimizations; then
3330     echo "#undef  av_always_inline"  >> $TMPH
3331     if enabled small; then
3332         echo "#define av_always_inline inline"  >> $TMPH
3333     else
3334         echo "#define av_always_inline av_unused"  >> $TMPH
3335     fi
3336 fi
3337
3338 if enabled yasm; then
3339     append config_files $TMPASM
3340     printf '' >$TMPASM
3341 fi
3342
3343 print_config ARCH_   "$config_files" $ARCH_LIST
3344 print_config HAVE_   "$config_files" $HAVE_LIST
3345 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3346                                      $CONFIG_EXTRA      \
3347                                      $DECODER_LIST      \
3348                                      $ENCODER_LIST      \
3349                                      $HWACCEL_LIST      \
3350                                      $PARSER_LIST       \
3351                                      $BSF_LIST          \
3352                                      $DEMUXER_LIST      \
3353                                      $MUXER_LIST        \
3354                                      $FILTER_LIST       \
3355                                      $PROTOCOL_LIST     \
3356                                      $INDEV_LIST        \
3357                                      $OUTDEV_LIST       \
3358
3359 cat >>config.mak <<EOF
3360 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3361 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3362 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3363 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3364 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3365 EOF
3366
3367 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3368
3369 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3370 cp_if_changed $TMPH config.h
3371 touch .config
3372
3373 enabled yasm && cp_if_changed $TMPASM config.asm
3374
3375 cat > $TMPH <<EOF
3376 /* Generated by ffconf */
3377 #ifndef AVUTIL_AVCONFIG_H
3378 #define AVUTIL_AVCONFIG_H
3379 EOF
3380
3381 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3382
3383 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3384
3385 cp_if_changed $TMPH libavutil/avconfig.h
3386
3387 test -n "$WARNINGS" && printf "\n$WARNINGS"
3388
3389 # build pkg-config files
3390
3391 pkgconfig_generate(){
3392 name=$1
3393 shortname=${name#lib}${build_suffix}
3394 comment=$2
3395 version=$3
3396 libs=$4
3397 requires=$5
3398 enabled ${name#lib} || return 0
3399 mkdir -p $name
3400 cat <<EOF > $name/$name.pc
3401 prefix=$prefix
3402 exec_prefix=\${prefix}
3403 libdir=$libdir
3404 includedir=$incdir
3405
3406 Name: $name
3407 Description: $comment
3408 Version: $version
3409 Requires: $(enabled shared || echo $requires)
3410 Requires.private: $(enabled shared && echo $requires)
3411 Conflicts:
3412 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3413 Libs.private: $(enabled shared && echo $libs)
3414 Cflags: -I\${includedir}
3415 EOF
3416 cat <<EOF > $name/$name-uninstalled.pc
3417 prefix=
3418 exec_prefix=
3419 libdir=\${pcfiledir}
3420 includedir=${source_path}
3421
3422 Name: $name
3423 Description: $comment
3424 Version: $version
3425 Requires: $requires
3426 Conflicts:
3427 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3428 Cflags: -I\${includedir}
3429 EOF
3430 }
3431
3432 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3433 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3434 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3435 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3436 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3437 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3438 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"