fate: use 'run' helper for seek-test
[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     attribute_may_alias
1046     attribute_packed
1047     bswap
1048     closesocket
1049     cmov
1050     dcbzl
1051     dev_bktr_ioctl_bt848_h
1052     dev_bktr_ioctl_meteor_h
1053     dev_ic_bt8xx_h
1054     dev_video_meteor_ioctl_meteor_h
1055     dev_video_bktr_ioctl_bt848_h
1056     dlfcn_h
1057     dlopen
1058     dos_paths
1059     ebp_available
1060     ebx_available
1061     exp2
1062     exp2f
1063     fast_64bit
1064     fast_clz
1065     fast_cmov
1066     fcntl
1067     fork
1068     getaddrinfo
1069     gethrtime
1070     GetProcessMemoryInfo
1071     GetProcessTimes
1072     getrusage
1073     gnu_as
1074     struct_rusage_ru_maxrss
1075     ibm_asm
1076     inet_aton
1077     inline_asm
1078     isatty
1079     ldbrx
1080     libdc1394_1
1081     libdc1394_2
1082     llrint
1083     llrintf
1084     local_aligned_16
1085     local_aligned_8
1086     localtime_r
1087     log2
1088     log2f
1089     loongson
1090     lrint
1091     lrintf
1092     lzo1x_999_compress
1093     machine_ioctl_bt848_h
1094     machine_ioctl_meteor_h
1095     malloc_h
1096     MapViewOfFile
1097     memalign
1098     mkstemp
1099     mmap
1100     posix_memalign
1101     round
1102     roundf
1103     sdl
1104     sdl_video_size
1105     setmode
1106     sndio_h
1107     socklen_t
1108     soundcard_h
1109     poll_h
1110     setrlimit
1111     strerror_r
1112     strptime
1113     strtok_r
1114     struct_addrinfo
1115     struct_ipv6_mreq
1116     struct_sockaddr_in6
1117     struct_sockaddr_sa_len
1118     struct_sockaddr_storage
1119     symver
1120     symver_gnu_asm
1121     symver_asm_label
1122     sys_mman_h
1123     sys_resource_h
1124     sys_select_h
1125     sys_soundcard_h
1126     sys_videoio_h
1127     threads
1128     trunc
1129     truncf
1130     vfp_args
1131     VirtualAlloc
1132     winsock2_h
1133     xform_asm
1134     xmm_clobbers
1135     yasm
1136 "
1137
1138 # options emitted with CONFIG_ prefix but not available on command line
1139 CONFIG_EXTRA="
1140     avutil
1141     gplv3
1142     lgplv3
1143 "
1144
1145 CMDLINE_SELECT="
1146     $ARCH_EXT_LIST
1147     $CONFIG_LIST
1148     $THREADS_LIST
1149     asm
1150     cross_compile
1151     debug
1152     extra_warnings
1153     logging
1154     optimizations
1155     symver
1156     yasm
1157 "
1158
1159 PATHS_LIST='
1160     bindir
1161     datadir
1162     incdir
1163     libdir
1164     mandir
1165     prefix
1166     shlibdir
1167 '
1168
1169 CMDLINE_SET="
1170     $PATHS_LIST
1171     ar
1172     arch
1173     as
1174     build_suffix
1175     cc
1176     cpu
1177     cross_prefix
1178     dep_cc
1179     extra_version
1180     host_cc
1181     host_cflags
1182     host_ldflags
1183     host_libs
1184     host_os
1185     ld
1186     logfile
1187     malloc_prefix
1188     nm
1189     optflags
1190     pkg_config
1191     samples
1192     sysinclude
1193     sysroot
1194     target_exec
1195     target_os
1196     target_path
1197 "
1198
1199 CMDLINE_APPEND="
1200     extra_cflags
1201 "
1202
1203 # code dependency declarations
1204
1205 # architecture extensions
1206
1207 armv5te_deps="arm"
1208 armv6_deps="arm"
1209 armv6t2_deps="arm"
1210 armvfp_deps="arm"
1211 iwmmxt_deps="arm"
1212 neon_deps="arm"
1213 vfpv3_deps="armvfp"
1214
1215 mmi_deps="mips"
1216
1217 altivec_deps="ppc"
1218 ppc4xx_deps="ppc"
1219
1220 vis_deps="sparc"
1221
1222 x86_64_suggest="cmov fast_cmov"
1223 amd3dnow_deps="mmx"
1224 amd3dnowext_deps="amd3dnow"
1225 mmx_deps="x86"
1226 mmx2_deps="mmx"
1227 sse_deps="mmx"
1228 ssse3_deps="sse"
1229 avx_deps="ssse3"
1230
1231 aligned_stack_if_any="ppc x86"
1232 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1233 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1234 fast_unaligned_if_any="armv6 ppc x86"
1235
1236 need_memalign="altivec neon sse"
1237 inline_asm_deps="!tms470"
1238
1239 symver_if_any="symver_asm_label symver_gnu_asm"
1240
1241 # subsystems
1242 dct_select="rdft"
1243 mdct_select="fft"
1244 rdft_select="fft"
1245 mpegaudiodsp_select="dct"
1246
1247 # decoders / encoders / hardware accelerators
1248 aac_decoder_select="mdct sinewin"
1249 aac_encoder_select="mdct sinewin"
1250 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1251 ac3_decoder_select="mdct ac3dsp ac3_parser"
1252 ac3_encoder_select="mdct ac3dsp"
1253 ac3_fixed_encoder_select="mdct ac3dsp"
1254 alac_encoder_select="lpc"
1255 amrnb_decoder_select="lsp"
1256 amrwb_decoder_select="lsp"
1257 atrac1_decoder_select="mdct sinewin"
1258 atrac3_decoder_select="mdct"
1259 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1260 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1261 cavs_decoder_select="golomb"
1262 cook_decoder_select="mdct sinewin"
1263 cscd_decoder_suggest="zlib"
1264 dca_decoder_select="mdct"
1265 dnxhd_encoder_select="aandct"
1266 dxa_decoder_select="zlib"
1267 eac3_decoder_select="ac3_decoder"
1268 eac3_encoder_select="mdct ac3dsp"
1269 eamad_decoder_select="aandct"
1270 eatgq_decoder_select="aandct"
1271 eatqi_decoder_select="aandct"
1272 ffv1_decoder_select="golomb"
1273 flac_decoder_select="golomb"
1274 flac_encoder_select="golomb lpc"
1275 flashsv_decoder_select="zlib"
1276 flashsv_encoder_select="zlib"
1277 flashsv2_decoder_select="zlib"
1278 flv_decoder_select="h263_decoder"
1279 flv_encoder_select="h263_encoder"
1280 fraps_decoder_select="huffman"
1281 h261_encoder_select="aandct"
1282 h263_decoder_select="h263_parser"
1283 h263_encoder_select="aandct"
1284 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1285 h263i_decoder_select="h263_decoder"
1286 h263p_encoder_select="h263_encoder"
1287 h264_decoder_select="golomb h264dsp h264pred"
1288 h264_dxva2_hwaccel_deps="dxva2api_h"
1289 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1290 h264_vaapi_hwaccel_select="vaapi"
1291 h264_vdpau_decoder_select="vdpau h264_decoder"
1292 imc_decoder_select="fft mdct sinewin"
1293 jpegls_decoder_select="golomb"
1294 jpegls_encoder_select="golomb"
1295 ljpeg_encoder_select="aandct"
1296 loco_decoder_select="golomb"
1297 mjpeg_encoder_select="aandct"
1298 mlp_decoder_select="mlp_parser"
1299 mp1_decoder_select="mpegaudiodsp"
1300 mp2_decoder_select="mpegaudiodsp"
1301 mp3adu_decoder_select="mpegaudiodsp"
1302 mp3_decoder_select="mpegaudiodsp"
1303 mp3on4_decoder_select="mpegaudiodsp"
1304 mp1float_decoder_select="mpegaudiodsp"
1305 mp2float_decoder_select="mpegaudiodsp"
1306 mp3adufloat_decoder_select="mpegaudiodsp"
1307 mp3float_decoder_select="mpegaudiodsp"
1308 mp3on4float_decoder_select="mpegaudiodsp"
1309 mpeg1video_encoder_select="aandct"
1310 mpeg2video_encoder_select="aandct"
1311 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1312 mpeg4_encoder_select="h263_encoder"
1313 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1314 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1315 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1316 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1317 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1318 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1319 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1320 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1321 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1322 msmpeg4v1_decoder_select="h263_decoder"
1323 msmpeg4v1_encoder_select="h263_encoder"
1324 msmpeg4v2_decoder_select="h263_decoder"
1325 msmpeg4v2_encoder_select="h263_encoder"
1326 msmpeg4v3_decoder_select="h263_decoder"
1327 msmpeg4v3_encoder_select="h263_encoder"
1328 nellymoser_decoder_select="mdct sinewin"
1329 nellymoser_encoder_select="mdct sinewin"
1330 png_decoder_select="zlib"
1331 png_encoder_select="zlib"
1332 qcelp_decoder_select="lsp"
1333 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1334 ra_144_encoder_select="lpc"
1335 rv10_decoder_select="h263_decoder"
1336 rv10_encoder_select="h263_encoder"
1337 rv20_decoder_select="h263_decoder"
1338 rv20_encoder_select="h263_encoder"
1339 rv30_decoder_select="golomb h264pred"
1340 rv40_decoder_select="golomb h264pred"
1341 shorten_decoder_select="golomb"
1342 sipr_decoder_select="lsp"
1343 snow_decoder_select="dwt"
1344 snow_encoder_select="aandct dwt"
1345 svq1_encoder_select="aandct"
1346 svq3_decoder_select="golomb h264dsp h264pred"
1347 svq3_decoder_suggest="zlib"
1348 theora_decoder_select="vp3_decoder"
1349 tiff_decoder_suggest="zlib"
1350 tiff_encoder_suggest="zlib"
1351 truehd_decoder_select="mlp_decoder"
1352 tscc_decoder_select="zlib"
1353 twinvq_decoder_select="mdct lsp sinewin"
1354 vc1_decoder_select="h263_decoder"
1355 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1356 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1357 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1358 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1359 vc1image_decoder_select="vc1_decoder"
1360 vorbis_decoder_select="mdct"
1361 vorbis_encoder_select="mdct"
1362 vp6_decoder_select="huffman"
1363 vp6a_decoder_select="vp6_decoder"
1364 vp6f_decoder_select="vp6_decoder"
1365 vp8_decoder_select="h264pred"
1366 wmapro_decoder_select="mdct sinewin"
1367 wmav1_decoder_select="mdct sinewin"
1368 wmav1_encoder_select="mdct sinewin"
1369 wmav2_decoder_select="mdct sinewin"
1370 wmav2_encoder_select="mdct sinewin"
1371 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1372 wmv1_decoder_select="h263_decoder"
1373 wmv1_encoder_select="h263_encoder"
1374 wmv2_decoder_select="h263_decoder"
1375 wmv2_encoder_select="h263_encoder"
1376 wmv3_decoder_select="vc1_decoder"
1377 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1378 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1379 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1380 wmv3image_decoder_select="wmv3_decoder"
1381 zlib_decoder_select="zlib"
1382 zlib_encoder_select="zlib"
1383 zmbv_decoder_select="zlib"
1384 zmbv_encoder_select="zlib"
1385
1386 vaapi_deps="va_va_h"
1387 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1388
1389 # parsers
1390 h264_parser_select="golomb h264dsp h264pred"
1391
1392 # external libraries
1393 libdirac_decoder_deps="libdirac !libschroedinger"
1394 libdirac_encoder_deps="libdirac"
1395 libfaac_encoder_deps="libfaac"
1396 libgsm_decoder_deps="libgsm"
1397 libgsm_encoder_deps="libgsm"
1398 libgsm_ms_decoder_deps="libgsm"
1399 libgsm_ms_encoder_deps="libgsm"
1400 libmp3lame_encoder_deps="libmp3lame"
1401 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1402 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1403 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1404 libopenjpeg_decoder_deps="libopenjpeg"
1405 libschroedinger_decoder_deps="libschroedinger"
1406 libschroedinger_encoder_deps="libschroedinger"
1407 libspeex_decoder_deps="libspeex"
1408 libtheora_encoder_deps="libtheora"
1409 libvo_aacenc_encoder_deps="libvo_aacenc"
1410 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1411 libvorbis_encoder_deps="libvorbis"
1412 libvpx_decoder_deps="libvpx"
1413 libvpx_encoder_deps="libvpx"
1414 libx264_encoder_deps="libx264"
1415 libxavs_encoder_deps="libxavs"
1416 libxvid_encoder_deps="libxvid"
1417
1418 # demuxers / muxers
1419 ac3_demuxer_select="ac3_parser"
1420 asf_stream_muxer_select="asf_muxer"
1421 avisynth_demuxer_deps="avisynth"
1422 dirac_demuxer_select="dirac_parser"
1423 eac3_demuxer_select="ac3_parser"
1424 flac_demuxer_select="flac_parser"
1425 ipod_muxer_select="mov_muxer"
1426 libnut_demuxer_deps="libnut"
1427 libnut_muxer_deps="libnut"
1428 matroska_audio_muxer_select="matroska_muxer"
1429 matroska_demuxer_suggest="zlib bzlib"
1430 mov_demuxer_suggest="zlib"
1431 mp3_demuxer_select="mpegaudio_parser"
1432 mp4_muxer_select="mov_muxer"
1433 mpegtsraw_demuxer_select="mpegts_demuxer"
1434 mxf_d10_muxer_select="mxf_muxer"
1435 ogg_demuxer_select="golomb"
1436 psp_muxer_select="mov_muxer"
1437 rtp_demuxer_select="sdp_demuxer"
1438 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1439 rtsp_demuxer_select="http_protocol rtpdec"
1440 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1441 sap_demuxer_select="sdp_demuxer"
1442 sap_muxer_select="rtp_muxer rtp_protocol"
1443 sdp_demuxer_select="rtpdec"
1444 spdif_muxer_select="aac_parser"
1445 tg2_muxer_select="mov_muxer"
1446 tgp_muxer_select="mov_muxer"
1447 w64_demuxer_deps="wav_demuxer"
1448
1449 # indevs / outdevs
1450 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1451 alsa_outdev_deps="alsa_asoundlib_h"
1452 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1453 dv1394_indev_deps="dv1394 dv_demuxer"
1454 fbdev_indev_deps="linux_fb_h"
1455 jack_indev_deps="jack_jack_h"
1456 libcdio_indev_deps="libcdio"
1457 libdc1394_indev_deps="libdc1394"
1458 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1459 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1460 sndio_indev_deps="sndio_h"
1461 sndio_outdev_deps="sndio_h"
1462 v4l_indev_deps="linux_videodev_h"
1463 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1464 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1465 vfwcap_indev_extralibs="-lavicap32"
1466 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1467 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1468
1469 # protocols
1470 gopher_protocol_deps="network"
1471 http_protocol_deps="network"
1472 http_protocol_select="tcp_protocol"
1473 mmsh_protocol_select="http_protocol"
1474 mmst_protocol_deps="network"
1475 rtmp_protocol_select="tcp_protocol"
1476 rtp_protocol_select="udp_protocol"
1477 tcp_protocol_deps="network"
1478 udp_protocol_deps="network"
1479
1480 # filters
1481 blackframe_filter_deps="gpl"
1482 cropdetect_filter_deps="gpl"
1483 drawtext_filter_deps="libfreetype"
1484 frei0r_filter_deps="frei0r dlopen strtok_r"
1485 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1486 hqdn3d_filter_deps="gpl"
1487 ocv_filter_deps="libopencv"
1488 scale_filter_deps="swscale"
1489 yadif_filter_deps="gpl"
1490
1491 # libraries
1492 avdevice_deps="avcodec avformat"
1493 avformat_deps="avcodec"
1494 postproc_deps="gpl"
1495
1496 # programs
1497 ffmpeg_deps="avcodec avformat swscale"
1498 ffmpeg_select="buffer_filter"
1499 avconv_deps="avcodec avformat swscale"
1500 avconv_select="buffer_filter"
1501 avplay_deps="avcodec avformat swscale sdl"
1502 avplay_select="rdft"
1503 avprobe_deps="avcodec avformat"
1504 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1505 avserver_extralibs='$ldl'
1506
1507 doc_deps="texi2html"
1508
1509 # tests
1510
1511 test_deps(){
1512     suf1=$1
1513     suf2=$2
1514     shift 2
1515     for v; do
1516         dep=${v%=*}
1517         tests=${v#*=}
1518         for name in ${tests}; do
1519             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1520         done
1521     done
1522 }
1523
1524 mxf_d10_test_deps="avfilter"
1525 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1526
1527 test_deps _encoder _decoder                                             \
1528     adpcm_g726=g726                                                     \
1529     adpcm_ima_qt                                                        \
1530     adpcm_ima_wav                                                       \
1531     adpcm_ms                                                            \
1532     adpcm_swf                                                           \
1533     adpcm_yamaha=adpcm_yam                                              \
1534     alac                                                                \
1535     asv1                                                                \
1536     asv2                                                                \
1537     bmp                                                                 \
1538     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1539     dvvideo="dv dv50"                                                   \
1540     ffv1                                                                \
1541     flac                                                                \
1542     flashsv                                                             \
1543     flv                                                                 \
1544     gif                                                                 \
1545     h261                                                                \
1546     h263="h263 h263p"                                                   \
1547     huffyuv                                                             \
1548     jpegls                                                              \
1549     mjpeg="jpg mjpeg ljpeg"                                             \
1550     mp2                                                                 \
1551     mpeg1video="mpeg mpeg1b"                                            \
1552     mpeg2video="mpeg2 mpeg2thread"                                      \
1553     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1554     msmpeg4v3=msmpeg4                                                   \
1555     msmpeg4v2                                                           \
1556     pbm=pbmpipe                                                         \
1557     pcx                                                                 \
1558     pgm="pgm pgmpipe"                                                   \
1559     png                                                                 \
1560     ppm="ppm ppmpipe"                                                   \
1561     rawvideo="rgb yuv"                                                  \
1562     roq                                                                 \
1563     rv10                                                                \
1564     rv20                                                                \
1565     sgi                                                                 \
1566     snow="snow snowll"                                                  \
1567     svq1                                                                \
1568     targa=tga                                                           \
1569     tiff                                                                \
1570     wmav1                                                               \
1571     wmav2                                                               \
1572     wmv1                                                                \
1573     wmv2                                                                \
1574
1575 test_deps _muxer _demuxer                                               \
1576     aiff                                                                \
1577     pcm_alaw=alaw                                                       \
1578     asf                                                                 \
1579     au                                                                  \
1580     avi                                                                 \
1581     dv=dv_fmt                                                           \
1582     ffm                                                                 \
1583     flv=flv_fmt                                                         \
1584     gxf                                                                 \
1585     matroska=mkv                                                        \
1586     mmf                                                                 \
1587     mov                                                                 \
1588     pcm_mulaw=mulaw                                                     \
1589     mxf="mxf mxf_d10"                                                   \
1590     nut                                                                 \
1591     ogg                                                                 \
1592     rawvideo=pixfmt                                                     \
1593     rm                                                                  \
1594     swf                                                                 \
1595     mpegts=ts                                                           \
1596     voc                                                                 \
1597     wav                                                                 \
1598     yuv4mpegpipe=yuv4mpeg                                               \
1599
1600 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1601 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1602
1603 # default parameters
1604
1605 logfile="config.log"
1606
1607 # installation paths
1608 prefix_default="/usr/local"
1609 bindir_default='${prefix}/bin'
1610 datadir_default='${prefix}/share/avconv'
1611 incdir_default='${prefix}/include'
1612 libdir_default='${prefix}/lib'
1613 mandir_default='${prefix}/share/man'
1614 shlibdir_default="$libdir_default"
1615
1616 # toolchain
1617 ar_default="ar"
1618 cc_default="gcc"
1619 cc_version=\"unknown\"
1620 host_cc_default="gcc"
1621 ln_s="ln -sf"
1622 nm_default="nm"
1623 objformat="elf"
1624 pkg_config_default=pkg-config
1625 ranlib="ranlib"
1626 yasmexe="yasm"
1627 nogas=":"
1628
1629 nm_opts='-g'
1630
1631 # machine
1632 arch_default=$(uname -m)
1633 cpu="generic"
1634
1635 # OS
1636 target_os_default=$(tolower $(uname -s))
1637 host_os=$target_os_default
1638
1639 # configurable options
1640 enable avcodec
1641 enable avdevice
1642 enable avfilter
1643 enable avformat
1644 enable avutil
1645 enable asm
1646 enable debug
1647 enable doc
1648 enable fastdiv
1649 enable ffmpeg
1650 enable avconv
1651 enable avplay
1652 enable avprobe
1653 enable avserver
1654 enable network
1655 enable optimizations
1656 enable postproc
1657 enable protocols
1658 enable static
1659 enable swscale
1660 enable swscale_alpha
1661
1662 # build settings
1663 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1664 AVSERVERLDFLAGS=-Wl,-E
1665 LIBPREF="lib"
1666 LIBSUF=".a"
1667 FULLNAME='$(NAME)$(BUILDSUF)'
1668 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1669 SLIBPREF="lib"
1670 SLIBSUF=".so"
1671 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1672 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1673 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1674 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1675 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1676 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1677
1678 AS_O='-o $@'
1679 CC_O='-o $@'
1680
1681 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1682 host_libs='-lm'
1683
1684 target_path='$(CURDIR)'
1685
1686 # since the object filename is not given with the -MM flag, the compiler
1687 # is only able to print the basename, and we must add the path ourselves
1688 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1689 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1690
1691 # find source path
1692 if test -f configure; then
1693     source_path=.
1694 else
1695     source_path=$(cd $(dirname "$0"); pwd)
1696     echo "$source_path" | grep -q '[[:blank:]]' &&
1697         die "Out of tree builds are impossible with whitespace in source path."
1698     test -e "$source_path/config.h" &&
1699         die "Out of tree builds are impossible with config.h in source dir."
1700 fi
1701
1702 for v in "$@"; do
1703     r=${v#*=}
1704     l=${v%"$r"}
1705     r=$(sh_quote "$r")
1706     LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1707 done
1708
1709 find_things(){
1710     thing=$1
1711     pattern=$2
1712     file=$source_path/$3
1713     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1714 }
1715
1716 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1717 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1718 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1719 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1720 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1721 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1722 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1723 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1724 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1725 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1726 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1727
1728 find_tests(){
1729     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1730 }
1731
1732 ACODEC_TESTS=$(find_tests acodec)
1733 VCODEC_TESTS=$(find_tests vsynth1)
1734 LAVF_TESTS=$(find_tests lavf)
1735 LAVFI_TESTS=$(find_tests lavfi)
1736 SEEK_TESTS=$(find_tests seek seek_)
1737
1738 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1739
1740 for n in $COMPONENT_LIST; do
1741     v=$(toupper ${n%s})_LIST
1742     eval enable \$$v
1743     eval ${n}_if_any="\$$v"
1744 done
1745
1746 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1747
1748 die_unknown(){
1749     echo "Unknown option \"$1\"."
1750     echo "See $0 --help for available options."
1751     exit 1
1752 }
1753
1754 show_list() {
1755     suffix=_$1
1756     shift
1757     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1758     exit 0
1759 }
1760
1761 for opt do
1762     optval="${opt#*=}"
1763     case "$opt" in
1764     --extra-ldflags=*) add_ldflags $optval
1765     ;;
1766     --extra-libs=*) add_extralibs $optval
1767     ;;
1768     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1769     ;;
1770     --enable-debug=*) debuglevel="$optval"
1771     ;;
1772     --disable-everything)
1773     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1774     ;;
1775     --enable-*=*|--disable-*=*)
1776     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1777     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1778     eval list=\$$(toupper $thing)_LIST
1779     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1780     $action $(filter "$name" $list)
1781     ;;
1782     --enable-?*|--disable-?*)
1783     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1784     if is_in $option $COMPONENT_LIST; then
1785         test $action = disable && action=unset
1786         eval $action \$$(toupper ${option%s})_LIST
1787     elif is_in $option $CMDLINE_SELECT; then
1788         $action $option
1789     else
1790         die_unknown $opt
1791     fi
1792     ;;
1793     --list-*)
1794         NAME="${opt#--list-}"
1795         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1796         NAME=${NAME%s}
1797         eval show_list $NAME \$$(toupper $NAME)_LIST
1798     ;;
1799     --help|-h) show_help
1800     ;;
1801     *)
1802     optname="${opt%%=*}"
1803     optname="${optname#--}"
1804     optname=$(echo "$optname" | sed 's/-/_/g')
1805     if is_in $optname $CMDLINE_SET; then
1806         eval $optname='$optval'
1807     elif is_in $optname $CMDLINE_APPEND; then
1808         append $optname "$optval"
1809     else
1810          die_unknown $opt
1811     fi
1812     ;;
1813     esac
1814 done
1815
1816 disabled logging && logfile=/dev/null
1817
1818 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1819 set >> $logfile
1820
1821 test -n "$cross_prefix" && enable cross_compile
1822
1823 if enabled cross_compile; then
1824     test -n "$arch" && test -n "$target_os" ||
1825         die "Must specify target arch and OS when cross-compiling"
1826 fi
1827
1828 set_default arch target_os
1829
1830 ar_default="${cross_prefix}${ar_default}"
1831 cc_default="${cross_prefix}${cc_default}"
1832 nm_default="${cross_prefix}${nm_default}"
1833 pkg_config_default="${cross_prefix}${pkg_config_default}"
1834 ranlib="${cross_prefix}${ranlib}"
1835
1836 sysinclude_default="${sysroot}/usr/include"
1837
1838 set_default cc nm pkg_config sysinclude
1839 enabled cross_compile || host_cc_default=$cc
1840 set_default host_cc
1841
1842 if ! $pkg_config --version >/dev/null 2>&1; then
1843     warn "$pkg_config not found, library detection may fail."
1844     pkg_config=false
1845 fi
1846
1847 exesuf() {
1848     case $1 in
1849         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1850     esac
1851 }
1852
1853 EXESUF=$(exesuf $target_os)
1854 HOSTEXESUF=$(exesuf $host_os)
1855
1856 # set temporary file name
1857 : ${TMPDIR:=$TEMPDIR}
1858 : ${TMPDIR:=$TMP}
1859 : ${TMPDIR:=/tmp}
1860
1861 if ! check_cmd mktemp -u XXXXXX; then
1862     # simple replacement for missing mktemp
1863     # NOT SAFE FOR GENERAL USE
1864     mktemp(){
1865         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1866     }
1867 fi
1868
1869 tmpfile(){
1870     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1871         (set -C; exec > $tmp) 2>/dev/null ||
1872         die "Unable to create temporary file in $TMPDIR."
1873     append TMPFILES $tmp
1874     eval $1=$tmp
1875 }
1876
1877 trap 'rm -f -- $TMPFILES' EXIT
1878
1879 tmpfile TMPC  .c
1880 tmpfile TMPE  $EXESUF
1881 tmpfile TMPH  .h
1882 tmpfile TMPO  .o
1883 tmpfile TMPS  .S
1884 tmpfile TMPV  .ver
1885 tmpfile TMPSH .sh
1886 tmpfile TMPASM .asm
1887
1888 unset -f mktemp
1889
1890 chmod +x $TMPE
1891
1892 # make sure we can execute files in $TMPDIR
1893 cat > $TMPSH 2>> $logfile <<EOF
1894 #! /bin/sh
1895 EOF
1896 chmod +x $TMPSH >> $logfile 2>&1
1897 if ! $TMPSH >> $logfile 2>&1; then
1898     cat <<EOF
1899 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1900 variable to another directory and make sure that it is not mounted noexec.
1901 EOF
1902     die "Sanity test failed."
1903 fi
1904
1905 filter_cflags=echo
1906 filter_cppflags=echo
1907 filter_asflags=echo
1908
1909 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1910     cc_type=llvm_gcc
1911     cc_version=__VERSION__
1912     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1913     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1914     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1915     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1916     speed_cflags='-O3'
1917     size_cflags='-Os'
1918 elif $cc -v 2>&1 | grep -qi ^gcc; then
1919     cc_type=gcc
1920     cc_version=__VERSION__
1921     gcc_version=$($cc --version | head -n1)
1922     gcc_basever=$($cc -dumpversion)
1923     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1924     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1925     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1926     if ! $cc -dumpversion | grep -q '^2\.'; then
1927         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1928         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1929     fi
1930     speed_cflags='-O3'
1931     size_cflags='-Os'
1932 elif $cc --version 2>/dev/null | grep -q Intel; then
1933     cc_type=icc
1934     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1935     cc_ident=$($cc --version | head -n1)
1936     icc_version=$($cc -dumpversion)
1937     CC_DEPFLAGS='-MMD'
1938     AS_DEPFLAGS='-MMD'
1939     speed_cflags='-O3'
1940     size_cflags='-Os'
1941     noopt_cflags='-O1'
1942 elif $cc -v 2>&1 | grep -q xlc; then
1943     cc_type=xlc
1944     cc_version="AV_STRINGIFY(__IBMC__)"
1945     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1946     speed_cflags='-O5'
1947     size_cflags='-O5 -qcompact'
1948 elif $cc -V 2>/dev/null | grep -q Compaq; then
1949     cc_type=ccc
1950     cc_version="AV_STRINGIFY(__DECC_VER)"
1951     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1952     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1953     debuglevel=3
1954     add_ldflags -Wl,-z,now # calls to libots crash without this
1955     speed_cflags='-fast'
1956     size_cflags='-O1'
1957 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1958     test -d "$sysroot" || die "No valid sysroot specified."
1959     cc_type=armcc
1960     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1961     cc_ident=$($cc --vsn | head -n1)
1962     armcc_conf="$PWD/armcc.conf"
1963     $cc --arm_linux_configure                 \
1964         --arm_linux_config_file="$armcc_conf" \
1965         --configure_sysroot="$sysroot"        \
1966         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1967         die "Error creating armcc configuration file."
1968     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1969     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1970     as_default="${cross_prefix}gcc"
1971     CC_DEPFLAGS='-MMD'
1972     AS_DEPFLAGS='-MMD'
1973     speed_cflags='-O3'
1974     size_cflags='-Os'
1975     filter_asflags="filter_out -W${armcc_opt}*"
1976 elif $cc -version 2>/dev/null | grep -q TMS470; then
1977     cc_type=tms470
1978     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1979     cc_ident=$($cc -version | head -n1 | tr -s ' ')
1980     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1981     CC_O='-fr=$(@D)'
1982     as_default="${cross_prefix}gcc"
1983     ld_default="${cross_prefix}gcc"
1984     TMPO=$(basename $TMPC .c).o
1985     append TMPFILES $TMPO
1986     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1987     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1988     AS_DEPFLAGS='-MMD'
1989     speed_cflags='-O3 -mf=5'
1990     size_cflags='-O3 -mf=2'
1991     filter_cflags=tms470_flags
1992     tms470_flags(){
1993         for flag; do
1994             case $flag in
1995                 -march=*|-mcpu=*)
1996                     case "${flag#*=}" in
1997                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
1998                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
1999                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2000                         armv6*|arm11*)          echo -mv=6   ;;
2001                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2002                                                 echo -mv=5e  ;;
2003                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2004                     esac
2005                     ;;
2006                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2007                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2008                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2009                 -msoft-float)   echo --float_support=vfplib       ;;
2010                 -O[0-3]|-mf=*)  echo $flag                        ;;
2011                 -g)             echo -g -mn                       ;;
2012                 -pds=*)         echo $flag                        ;;
2013             esac
2014         done
2015     }
2016 elif $cc -v 2>&1 | grep -q clang; then
2017     cc_type=clang
2018     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2019         cc_version=__clang_version__ || cc_version=__VERSION__
2020     cc_ident=$($cc --version | head -n1)
2021     CC_DEPFLAGS='-MMD'
2022     AS_DEPFLAGS='-MMD'
2023     speed_cflags='-O3'
2024     size_cflags='-Os'
2025 elif $cc -V 2>&1 | grep -q Sun; then
2026     cc_type=suncc
2027     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2028     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2029     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2030     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2031     add_ldflags -xc99
2032     speed_cflags='-O5'
2033     size_cflags='-O5 -xspace'
2034     filter_cflags=suncc_flags
2035     suncc_flags(){
2036         for flag; do
2037             case $flag in
2038                 -march=*|-mcpu=*)
2039                     case "${flag#*=}" in
2040                         native)                   echo -xtarget=native       ;;
2041                         v9|niagara)               echo -xarch=sparc          ;;
2042                         ultrasparc)               echo -xarch=sparcvis       ;;
2043                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2044                         i586|pentium)             echo -xchip=pentium        ;;
2045                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2046                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2047                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2048                         pentium4*)          echo -xtarget=pentium4           ;;
2049                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2050                         *-sse3)             echo -xarch=sse3                 ;;
2051                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2052                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2053                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2054                         k8|opteron|athlon64|athlon-fx)
2055                                                   echo -xarch=sse2a          ;;
2056                         athlon*)                  echo -xarch=pentium_proa   ;;
2057                     esac
2058                     ;;
2059                 -std=c99)             echo -xc99              ;;
2060                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2061                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2062                 -W*,*)                echo $flag              ;;
2063                 -f*-*|-W*)                                    ;;
2064                 *)                    echo $flag              ;;
2065             esac
2066         done
2067     }
2068 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2069     cc_type=pathscale
2070     cc_version=__PATHSCALE__
2071     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2072     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2074     speed_cflags='-O2'
2075     size_cflags='-Os'
2076     filter_cflags='filter_out -Wdisabled-optimization'
2077 elif $cc -v 2>&1 | grep -q Open64; then
2078     cc_type=open64
2079     cc_version=__OPEN64__
2080     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2081     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2082     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2083     speed_cflags='-O2'
2084     size_cflags='-Os'
2085     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2086 fi
2087
2088 test -n "$cc_type" && enable $cc_type ||
2089     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2090
2091 : ${as_default:=$cc}
2092 : ${dep_cc_default:=$cc}
2093 : ${ld_default:=$cc}
2094 set_default ar as dep_cc ld
2095
2096 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2097 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2098
2099 add_cflags $extra_cflags
2100 add_asflags $extra_cflags
2101
2102 if test -n "$sysroot"; then
2103     case "$cc_type" in
2104         gcc|llvm_gcc|clang)
2105             add_cppflags --sysroot="$sysroot"
2106             add_ldflags --sysroot="$sysroot"
2107         ;;
2108         tms470)
2109             add_cppflags -I"$sysinclude"
2110             add_ldflags  --sysroot="$sysroot"
2111         ;;
2112     esac
2113 fi
2114
2115 if test "$cpu" = host; then
2116     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2117
2118     case "$cc_type" in
2119         gcc|llvm_gcc)
2120             check_native(){
2121                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2122                 sed -n "/cc1.*$1=/{
2123                             s/.*$1=\\([^ ]*\\).*/\\1/
2124                             p
2125                             q
2126                         }" $TMPE
2127             }
2128             cpu=$(check_native -march || check_native -mcpu)
2129         ;;
2130     esac
2131
2132     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2133 fi
2134
2135 # Deal with common $arch aliases
2136 case "$arch" in
2137     arm*)
2138         arch="arm"
2139     ;;
2140     mips|mipsel|IP*)
2141         arch="mips"
2142     ;;
2143     mips64*)
2144         arch="mips"
2145         subarch="mips64"
2146     ;;
2147     parisc|hppa)
2148         arch="parisc"
2149     ;;
2150     parisc64|hppa64)
2151         arch="parisc"
2152         subarch="parisc64"
2153     ;;
2154     "Power Macintosh"|ppc|powerpc)
2155         arch="ppc"
2156     ;;
2157     ppc64|powerpc64)
2158         arch="ppc"
2159         subarch="ppc64"
2160     ;;
2161     s390|s390x)
2162         arch="s390"
2163     ;;
2164     sh4|sh)
2165         arch="sh4"
2166     ;;
2167     sun4u|sparc64)
2168         arch="sparc"
2169         subarch="sparc64"
2170     ;;
2171     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2172         arch="x86"
2173     ;;
2174 esac
2175
2176 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2177 enable $arch
2178
2179 # Add processor-specific flags
2180 if test "$cpu" = generic; then
2181     : do nothing
2182 elif enabled ppc; then
2183
2184     case $(tolower $cpu) in
2185         601|ppc601|powerpc601)
2186             cpuflags="-mcpu=601"
2187             disable altivec
2188         ;;
2189         603*|ppc603*|powerpc603*)
2190             cpuflags="-mcpu=603"
2191             disable altivec
2192         ;;
2193         604*|ppc604*|powerpc604*)
2194             cpuflags="-mcpu=604"
2195             disable altivec
2196         ;;
2197         g3|75*|ppc75*|powerpc75*)
2198             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2199             disable altivec
2200         ;;
2201         g4|745*|ppc745*|powerpc745*)
2202             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2203         ;;
2204         74*|ppc74*|powerpc74*)
2205             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2206         ;;
2207         g5|970|ppc970|powerpc970|power4*)
2208             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2209         ;;
2210         cell)
2211             cpuflags="-mcpu=cell"
2212             enable ldbrx
2213         ;;
2214         e500v2)
2215             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2216             disable altivec
2217         ;;
2218         e500)
2219             cpuflags="-mcpu=8540 -mhard-float"
2220             disable altivec
2221         ;;
2222     esac
2223
2224 elif enabled x86; then
2225
2226     case $cpu in
2227         i[345]86|pentium)
2228             cpuflags="-march=$cpu"
2229             disable mmx
2230         ;;
2231         # targets that do NOT support conditional mov (cmov)
2232         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2233             cpuflags="-march=$cpu"
2234             disable cmov
2235         ;;
2236         # targets that do support conditional mov (cmov)
2237         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2238             cpuflags="-march=$cpu"
2239             enable cmov
2240             enable fast_cmov
2241         ;;
2242         # targets that do support conditional mov but on which it's slow
2243         pentium4|pentium4m|prescott|nocona)
2244             cpuflags="-march=$cpu"
2245             enable cmov
2246             disable fast_cmov
2247         ;;
2248     esac
2249
2250 elif enabled sparc; then
2251
2252     case $cpu in
2253         niagara)
2254             cpuflags="-mcpu=$cpu"
2255             disable vis
2256         ;;
2257         sparc64)
2258             cpuflags="-mcpu=v9"
2259         ;;
2260     esac
2261
2262 elif enabled arm; then
2263
2264     case $cpu in
2265         armv*)
2266             cpuflags="-march=$cpu"
2267             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2268         ;;
2269         *)
2270             cpuflags="-mcpu=$cpu"
2271             case $cpu in
2272                 cortex-a*)                               subarch=armv7a  ;;
2273                 cortex-r*)                               subarch=armv7r  ;;
2274                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2275                 arm11*)                                  subarch=armv6   ;;
2276                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2277                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2278             esac
2279         ;;
2280     esac
2281
2282 elif enabled alpha; then
2283
2284     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2285
2286 elif enabled bfin; then
2287
2288     cpuflags="-mcpu=$cpu"
2289
2290 elif enabled mips; then
2291
2292     cpuflags="-march=$cpu"
2293
2294 elif enabled avr32; then
2295
2296     case $cpu in
2297         ap7[02]0[0-2])
2298             subarch="avr32_ap"
2299             cpuflags="-mpart=$cpu"
2300         ;;
2301         ap)
2302             subarch="avr32_ap"
2303             cpuflags="-march=$cpu"
2304         ;;
2305         uc3[ab]*)
2306             subarch="avr32_uc"
2307             cpuflags="-mcpu=$cpu"
2308         ;;
2309         uc)
2310             subarch="avr32_uc"
2311             cpuflags="-march=$cpu"
2312         ;;
2313     esac
2314
2315 fi
2316
2317 add_cflags $cpuflags
2318 add_asflags $cpuflags
2319
2320 # compiler sanity check
2321 check_exec <<EOF
2322 int main(void){ return 0; }
2323 EOF
2324 if test "$?" != 0; then
2325     echo "$cc is unable to create an executable file."
2326     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2327         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2328         echo "Only do this if you know what cross compiling means."
2329     fi
2330     die "C compiler test failed."
2331 fi
2332
2333 add_cppflags -D_ISOC99_SOURCE
2334 check_cflags -std=c99
2335 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2336 #include <stdlib.h>
2337 EOF
2338 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2339 #include <stdlib.h>
2340 EOF
2341
2342 check_host_cflags -std=c99
2343 check_host_cflags -Wall
2344
2345 case "$arch" in
2346     alpha|ia64|mips|parisc|sparc)
2347         spic=$shared
2348     ;;
2349     x86)
2350         subarch="x86_32"
2351         check_cc <<EOF && subarch="x86_64"
2352         int test[(int)sizeof(char*) - 7];
2353 EOF
2354         if test "$subarch" = "x86_64"; then
2355             spic=$shared
2356         fi
2357     ;;
2358 esac
2359
2360 enable $subarch
2361 enabled spic && enable pic
2362
2363 # OS specific
2364 case $target_os in
2365     haiku)
2366         prefix_default="/boot/common"
2367         network_extralibs="-lnetwork"
2368         host_libs=
2369         ;;
2370     sunos)
2371         AVSERVERLDFLAGS=""
2372         SHFLAGS='-shared -Wl,-h,$$(@F)'
2373         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2374         network_extralibs="-lsocket -lnsl"
2375         add_cppflags -D__EXTENSIONS__
2376         # When using suncc to build, the Solaris linker will mark
2377         # an executable with each instruction set encountered by
2378         # the Solaris assembler.  As our libraries contain their own
2379         # guards for processor-specific code, instead suppress
2380         # generation of the HWCAPS ELF section on Solaris x86 only.
2381         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2382         nm_opts='-P -g'
2383         ;;
2384     netbsd)
2385         disable symver
2386         oss_indev_extralibs="-lossaudio"
2387         oss_outdev_extralibs="-lossaudio"
2388         ;;
2389     openbsd)
2390         enable malloc_aligned
2391         # On OpenBSD 4.5. the compiler does not use PIC unless
2392         # explicitly using -fPIC. Libav builds fine without PIC,
2393         # however the generated executable will not do anything
2394         # (simply quits with exit-code 1, no crash, no output).
2395         # Thus explicitly enable PIC here.
2396         enable pic
2397         disable symver
2398         SHFLAGS='-shared'
2399         oss_indev_extralibs="-lossaudio"
2400         oss_outdev_extralibs="-lossaudio"
2401         ;;
2402     dragonfly)
2403         enable malloc_aligned
2404         disable symver
2405         ;;
2406     freebsd)
2407         enable malloc_aligned
2408         ;;
2409     bsd/os)
2410         add_extralibs -lpoll -lgnugetopt
2411         ;;
2412     darwin)
2413         enable malloc_aligned
2414         gas="gas-preprocessor.pl $cc"
2415         enabled ppc && add_asflags -force_cpusubtype_ALL
2416         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2417         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2418         add_ldflags -Wl,-dynamic,-search_paths_first
2419         SLIBSUF=".dylib"
2420         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2421         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2422         AVSERVERLDFLAGS=-Wl,-bind_at_load
2423         objformat="macho"
2424         enabled x86_64 && objformat="macho64"
2425         enabled_any pic shared ||
2426             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2427         ;;
2428     mingw32*)
2429         if test $target_os = "mingw32ce"; then
2430             disable network
2431         else
2432             target_os=mingw32
2433         fi
2434         LIBTARGET=i386
2435         if enabled x86_64; then
2436             enable malloc_aligned
2437             LIBTARGET="i386:x86-64"
2438         elif enabled arm; then
2439             LIBTARGET=arm-wince
2440         fi
2441         shlibdir_default="$bindir_default"
2442         SLIBPREF=""
2443         SLIBSUF=".dll"
2444         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2445         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2446         SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2447         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2448         SLIB_INSTALL_LINKS=
2449         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2450         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2451         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'
2452         objformat="win32"
2453         dlltool="${cross_prefix}dlltool"
2454         enable dos_paths
2455         check_cflags -fno-common
2456         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2457                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2458                 die "ERROR: MinGW runtime version must be >= 3.15."
2459         add_cppflags -U__STRICT_ANSI__
2460         ;;
2461     cygwin*)
2462         target_os=cygwin
2463         shlibdir_default="$bindir_default"
2464         SLIBPREF="cyg"
2465         SLIBSUF=".dll"
2466         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2467         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2468         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2469         objformat="win32"
2470         enable dos_paths
2471         check_cflags -fno-common
2472         add_cppflags -U__STRICT_ANSI__
2473         ;;
2474     *-dos|freedos|opendos)
2475         network_extralibs="-lsocket"
2476         objformat="coff"
2477         enable dos_paths
2478         add_cppflags -U__STRICT_ANSI__
2479         ;;
2480     linux)
2481         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2482         enable dv1394
2483         ;;
2484     irix*)
2485         target_os=irix
2486         ranlib="echo ignoring ranlib"
2487         ;;
2488     os/2*)
2489         ln_s="cp -f"
2490         objformat="aout"
2491         add_cppflags -D_GNU_SOURCE
2492         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2493         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2494         AVSERVERLDFLAGS=""
2495         LIBSUF="_s.a"
2496         SLIBPREF=""
2497         SLIBSUF=".dll"
2498         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2499         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2500         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2501           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2502           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2503           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2504           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2505           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2506         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2507           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2508         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2509         enable dos_paths
2510         ;;
2511     gnu/kfreebsd)
2512         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2513         ;;
2514     gnu)
2515         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2516         ;;
2517     qnx)
2518         add_cppflags -D_QNX_SOURCE
2519         network_extralibs="-lsocket"
2520         ;;
2521     symbian)
2522         SLIBSUF=".dll"
2523         enable dos_paths
2524         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2525         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2526         add_ldflags -Wl,--target1-abs,--no-undefined \
2527                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2528                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2529         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2530                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2531                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2532         ;;
2533     none)
2534         ;;
2535     *)
2536         die "Unknown OS '$target_os'."
2537         ;;
2538 esac
2539
2540 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2541
2542 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2543
2544 set_default $PATHS_LIST
2545
2546 # we need to build at least one lib type
2547 if ! enabled_any static shared; then
2548     cat <<EOF
2549 At least one library type must be built.
2550 Specify --enable-static to build the static libraries or --enable-shared to
2551 build the shared libraries as well. To only build the shared libraries specify
2552 --disable-static in addition to --enable-shared.
2553 EOF
2554     exit 1;
2555 fi
2556
2557 die_license_disabled() {
2558     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2559 }
2560
2561 die_license_disabled gpl libcdio
2562 die_license_disabled gpl libx264
2563 die_license_disabled gpl libxavs
2564 die_license_disabled gpl libxvid
2565 die_license_disabled gpl x11grab
2566
2567 die_license_disabled nonfree libfaac
2568
2569 die_license_disabled version3 libopencore_amrnb
2570 die_license_disabled version3 libopencore_amrwb
2571 die_license_disabled version3 libvo_aacenc
2572 die_license_disabled version3 libvo_amrwbenc
2573
2574 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2575
2576 disabled optimizations || check_cflags -fomit-frame-pointer
2577
2578 enable_pic() {
2579     enable pic
2580     add_cppflags -DPIC
2581     add_cflags   -fPIC
2582     add_asflags  -fPIC
2583 }
2584
2585 enabled pic && enable_pic
2586
2587 check_cc <<EOF || die "Symbol mangling check failed."
2588 int ff_extern;
2589 EOF
2590 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2591 extern_prefix=${sym%%ff_extern*}
2592
2593 check_cc <<EOF && enable inline_asm
2594 void foo(void) { __asm__ volatile ("" ::); }
2595 EOF
2596
2597 _restrict=
2598 for restrict_keyword in restrict __restrict__ __restrict; do
2599     check_cc <<EOF && _restrict=$restrict_keyword && break
2600 void foo(char * $restrict_keyword p);
2601 EOF
2602 done
2603
2604 check_cc <<EOF && enable attribute_packed
2605 struct { int x; } __attribute__((packed)) x;
2606 EOF
2607
2608 check_cc <<EOF && enable attribute_may_alias
2609 union { int x; } __attribute__((may_alias)) x;
2610 EOF
2611
2612 check_cc <<EOF || die "endian test failed"
2613 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2614 EOF
2615 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2616
2617 if enabled alpha; then
2618
2619     check_cflags -mieee
2620
2621 elif enabled arm; then
2622
2623     enabled thumb && check_cflags -mthumb || check_cflags -marm
2624     nogas=die
2625
2626     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2627         enable vfp_args
2628     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2629         case "${cross_prefix:-$cc}" in
2630             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2631             *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2632 __asm__ (".eabi_attribute 28, 1");
2633 int main(void) { return 0; }
2634 EOF
2635         esac
2636         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2637     fi
2638
2639     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2640     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2641     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2642     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2643     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2644     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2645     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2646
2647     enabled_all armv6t2 shared !pic && enable_pic
2648
2649 elif enabled mips; then
2650
2651     check_asm loongson '"dmult.g $1, $2, $3"'
2652     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2653
2654 elif enabled ppc; then
2655
2656     enable local_aligned_8 local_aligned_16
2657
2658     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2659     check_asm ibm_asm   '"add 0, 0, 0"'
2660     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2661     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2662
2663     # AltiVec flags: The FSF version of GCC differs from the Apple version
2664     if enabled altivec; then
2665         nogas=warn
2666         check_cflags -maltivec -mabi=altivec &&
2667         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2668         check_cflags -faltivec
2669
2670         # check if our compiler supports Motorola AltiVec C API
2671         check_cc <<EOF || disable altivec
2672 $inc_altivec_h
2673 int main(void) {
2674     vector signed int v1, v2, v3;
2675     v1 = vec_add(v2,v3);
2676     return 0;
2677 }
2678 EOF
2679
2680         # check if our compiler supports braces for vector declarations
2681         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2682 $inc_altivec_h
2683 int main (void) { (vector int) {1}; return 0; }
2684 EOF
2685     fi
2686
2687 elif enabled sparc; then
2688
2689     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2690         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2691
2692 elif enabled x86; then
2693
2694     enable local_aligned_8 local_aligned_16
2695
2696     # check whether EBP is available on x86
2697     # As 'i' is stored on the stack, this program will crash
2698     # if the base pointer is used to access it because the
2699     # base pointer is cleared in the inline assembly code.
2700     check_exec_crash <<EOF && enable ebp_available
2701     volatile int i=0;
2702     __asm__ volatile (
2703         "xorl %%ebp, %%ebp"
2704     ::: "%ebp");
2705     return i;
2706 EOF
2707
2708     # check whether EBX is available on x86
2709     check_asm ebx_available '""::"b"(0)' &&
2710         check_asm ebx_available '"":::"%ebx"'
2711
2712     # check whether xmm clobbers are supported
2713     check_asm xmm_clobbers '"":::"%xmm0"'
2714
2715     # check whether binutils is new enough to compile SSSE3/MMX2
2716     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2717     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2718
2719     check_asm bswap '"bswap %%eax" ::: "%eax"'
2720
2721     if ! disabled_any asm mmx yasm; then
2722         if check_cmd $yasmexe --version; then
2723             enabled x86_64 && yasm_extra="-m amd64"
2724             yasm_debug="-g dwarf2"
2725         elif check_cmd nasm -v; then
2726             yasmexe=nasm
2727             yasm_debug="-g -F dwarf"
2728             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2729         fi
2730
2731         YASMFLAGS="-f $objformat $yasm_extra"
2732         enabled pic               && append YASMFLAGS "-DPIC"
2733         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2734         case "$objformat" in
2735             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2736         esac
2737
2738         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2739             die "yasm not found, use --disable-yasm for a crippled build"
2740         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2741     fi
2742
2743     case "$cpu" in
2744         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2745             disable fast_clz
2746         ;;
2747     esac
2748
2749 fi
2750
2751 if enabled asm; then
2752     as=${gas:=$as}
2753     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2754         $nogas "GNU assembler not found, install gas-preprocessor"
2755 fi
2756
2757 check_ldflags -Wl,--as-needed
2758
2759 if check_func dlopen; then
2760     ldl=
2761 elif check_func dlopen -ldl; then
2762     ldl=-ldl
2763 fi
2764
2765 if enabled network; then
2766     check_type "sys/types.h sys/socket.h" socklen_t
2767     check_type netdb.h "struct addrinfo"
2768     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2769     check_type netinet/in.h "struct sockaddr_in6"
2770     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2771     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2772     # Prefer arpa/inet.h over winsock2
2773     if check_header arpa/inet.h ; then
2774         check_func closesocket
2775     elif check_header winsock2.h ; then
2776         check_func_headers winsock2.h closesocket -lws2 && \
2777             network_extralibs="-lws2" || \
2778         { check_func_headers winsock2.h closesocket -lws2_32 && \
2779             network_extralibs="-lws2_32"; }
2780         check_type ws2tcpip.h socklen_t
2781         check_type ws2tcpip.h "struct addrinfo"
2782         check_type ws2tcpip.h "struct ipv6_mreq"
2783         check_type ws2tcpip.h "struct sockaddr_in6"
2784         check_type ws2tcpip.h "struct sockaddr_storage"
2785         check_struct winsock2.h "struct sockaddr" sa_len
2786     else
2787         disable network
2788     fi
2789 fi
2790
2791 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2792 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2793
2794 check_func  fcntl
2795 check_func  fork
2796 check_func  getaddrinfo $network_extralibs
2797 check_func  gethrtime
2798 check_func  getrusage
2799 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2800 check_func  inet_aton $network_extralibs
2801 check_func  isatty
2802 check_func  localtime_r
2803 check_func  ${malloc_prefix}memalign            && enable memalign
2804 check_func  mkstemp
2805 check_func  mmap
2806 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2807 check_func  setrlimit
2808 check_func  strerror_r
2809 check_func  strptime
2810 check_func  strtok_r
2811 check_func_headers io.h setmode
2812 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2813 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2814 check_func_headers windows.h GetProcessTimes
2815 check_func_headers windows.h MapViewOfFile
2816 check_func_headers windows.h VirtualAlloc
2817
2818 check_header dlfcn.h
2819 check_header dxva2api.h
2820 check_header malloc.h
2821 check_header poll.h
2822 check_header sys/mman.h
2823 check_header sys/resource.h
2824 check_header sys/select.h
2825 check_header vdpau/vdpau.h
2826 check_header vdpau/vdpau_x11.h
2827 check_header X11/extensions/XvMClib.h
2828
2829 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2830
2831 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2832 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2833
2834 # check for some common methods of building with pthread support
2835 # do this before the optional library checks as some of them require pthreads
2836 if ! disabled pthreads && ! enabled w32threads; then
2837     enable pthreads
2838     if check_func pthread_create; then
2839         :
2840     elif check_func pthread_create -pthread; then
2841         add_cflags -pthread
2842         add_extralibs -pthread
2843     elif check_func pthread_create -pthreads; then
2844         add_cflags -pthreads
2845         add_extralibs -pthreads
2846     elif check_func pthread_create -lpthreadGC2; then
2847         add_extralibs -lpthreadGC2
2848     elif ! check_lib pthread.h pthread_create -lpthread; then
2849         disable pthreads
2850     fi
2851 fi
2852
2853 for thread in $THREADS_LIST; do
2854     if enabled $thread; then
2855         test -n "$thread_type" &&
2856             die "ERROR: Only one thread type must be selected." ||
2857             thread_type="$thread"
2858     fi
2859 done
2860
2861 check_lib math.h sin -lm && LIBM="-lm"
2862 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2863
2864 check_mathfunc exp2
2865 check_mathfunc exp2f
2866 check_mathfunc llrint
2867 check_mathfunc llrintf
2868 check_mathfunc log2
2869 check_mathfunc log2f
2870 check_mathfunc lrint
2871 check_mathfunc lrintf
2872 check_mathfunc round
2873 check_mathfunc roundf
2874 check_mathfunc trunc
2875 check_mathfunc truncf
2876
2877 # these are off by default, so fail if requested and not available
2878 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2879 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2880 enabled libdirac   && require_pkg_config dirac                          \
2881     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2882     "dirac_decoder_init dirac_encoder_init"
2883 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2884 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2885 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2886 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2887 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2888 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2889 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2890 enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2891 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2892 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2893 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2894 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2895 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2896 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2897 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2898 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2899 enabled libvpx     && {
2900     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2901                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2902     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2903                                 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2904 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2905                       { check_cpp_condition x264.h "X264_BUILD >= 115" ||
2906                         die "ERROR: libx264 version must be >= 0.115."; }
2907 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2908 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2909 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2910
2911 # libdc1394 check
2912 if enabled libdc1394; then
2913     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2914         enable libdc1394_2; } ||
2915     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2916         enable libdc1394_1; } ||
2917     die "ERROR: No version of libdc1394 found "
2918 fi
2919
2920 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2921     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2922     enable sdl &&
2923     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2924 fi
2925
2926 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2927
2928 check_header linux/fb.h
2929 check_header linux/videodev.h
2930 check_header linux/videodev2.h
2931 check_header sys/videoio.h
2932
2933 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2934 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2935 # w32api 3.12 had it defined wrong
2936 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2937
2938 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2939 { check_header dev/bktr/ioctl_meteor.h &&
2940   check_header dev/bktr/ioctl_bt848.h; } ||
2941 { check_header machine/ioctl_meteor.h &&
2942   check_header machine/ioctl_bt848.h; } ||
2943 { check_header dev/video/meteor/ioctl_meteor.h &&
2944   check_header dev/video/bktr/ioctl_bt848.h; } ||
2945 check_header dev/ic/bt8xx.h
2946
2947 check_header sndio.h
2948 check_header sys/soundcard.h
2949 check_header soundcard.h
2950
2951 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2952
2953 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2954
2955 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2956
2957 enabled libcdio &&
2958     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2959
2960 enabled x11grab                         &&
2961 check_header X11/Xlib.h                 &&
2962 check_header X11/extensions/XShm.h      &&
2963 check_header X11/extensions/Xfixes.h    &&
2964 check_func XOpenDisplay -lX11           &&
2965 check_func XShmCreateImage -lX11 -lXext &&
2966 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2967
2968 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2969 check_cpp_condition \
2970     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2971     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2972       disable vdpau; }
2973 fi
2974
2975 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2976
2977 # add some useful compiler flags if supported
2978 check_cflags -Wdeclaration-after-statement
2979 check_cflags -Wall
2980 check_cflags -Wno-parentheses
2981 check_cflags -Wno-switch
2982 check_cflags -Wno-format-zero-length
2983 check_cflags -Wdisabled-optimization
2984 check_cflags -Wpointer-arith
2985 check_cflags -Wredundant-decls
2986 check_cflags -Wno-pointer-sign
2987 check_cflags -Wcast-qual
2988 check_cflags -Wwrite-strings
2989 check_cflags -Wtype-limits
2990 check_cflags -Wundef
2991 check_cflags -Wmissing-prototypes
2992 enabled extra_warnings && check_cflags -Winline
2993
2994 # add some linker flags
2995 check_ldflags -Wl,--warn-common
2996 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
2997 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2998
2999 echo "X{};" > $TMPV
3000 if test_ldflags -Wl,--version-script,$TMPV; then
3001     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3002     check_cc <<EOF && enable symver_asm_label
3003 void ff_foo(void) __asm__ ("av_foo@VERSION");
3004 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3005 EOF
3006     check_cc <<EOF && enable symver_gnu_asm
3007 __asm__(".symver ff_foo,av_foo@VERSION");
3008 void ff_foo(void) {}
3009 EOF
3010 fi
3011
3012 if [ -n "$optflags" ]; then
3013     add_cflags $optflags
3014 elif enabled small; then
3015     add_cflags $size_cflags
3016 elif enabled optimizations; then
3017     add_cflags $speed_cflags
3018 else
3019     add_cflags $noopt_cflags
3020 fi
3021 check_cflags -fno-math-errno
3022 check_cflags -fno-signed-zeros
3023
3024 if enabled icc; then
3025     # Just warnings, no remarks
3026     check_cflags -w1
3027     # -wd: Disable following warnings
3028     # 144, 167, 556: -Wno-pointer-sign
3029     # 1292: attribute "foo" ignored
3030     # 10006: ignoring unknown option -fno-signed-zeros
3031     # 10148: ignoring unknown option -Wno-parentheses
3032     # 10156: ignoring option '-W'; no argument required
3033     check_cflags -wd144,167,556,1292,10006,10148,10156
3034     # 11030: Warning unknown option --as-needed
3035     # 10156: ignoring option '-export'; no argument required
3036     check_ldflags -wd10156,11030
3037     # Allow to compile with optimizations
3038     check_ldflags -march=$cpu
3039     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3040     enable ebp_available
3041     if enabled x86_32; then
3042         test ${icc_version%%.*} -ge 11 && \
3043             check_cflags -falign-stack=maintain-16-byte || \
3044             disable aligned_stack
3045     fi
3046 elif enabled ccc; then
3047     # disable some annoying warnings
3048     add_cflags -msg_disable cvtu32to64
3049     add_cflags -msg_disable embedcomment
3050     add_cflags -msg_disable needconstext
3051     add_cflags -msg_disable nomainieee
3052     add_cflags -msg_disable ptrmismatch1
3053     add_cflags -msg_disable unreachcode
3054 elif enabled gcc; then
3055     check_cflags -fno-tree-vectorize
3056     check_cflags -Werror=implicit-function-declaration
3057     check_cflags -Werror=missing-prototypes
3058 elif enabled llvm_gcc; then
3059     check_cflags -mllvm -stack-alignment=16
3060 elif enabled clang; then
3061     check_cflags -mllvm -stack-alignment=16
3062     check_cflags -Qunused-arguments
3063 elif enabled armcc; then
3064     # 2523: use of inline assembler is deprecated
3065     add_cflags -W${armcc_opt},--diag_suppress=2523
3066     add_cflags -W${armcc_opt},--diag_suppress=1207
3067     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3068     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3069     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3070     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3071 elif enabled tms470; then
3072     add_cflags -pds=824 -pds=837
3073 elif enabled pathscale; then
3074     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3075 fi
3076
3077 enabled_any $THREADS_LIST      && enable threads
3078
3079 check_deps $CONFIG_LIST       \
3080            $CONFIG_EXTRA      \
3081            $HAVE_LIST         \
3082            $DECODER_LIST      \
3083            $ENCODER_LIST      \
3084            $HWACCEL_LIST      \
3085            $PARSER_LIST       \
3086            $BSF_LIST          \
3087            $DEMUXER_LIST      \
3088            $MUXER_LIST        \
3089            $FILTER_LIST       \
3090            $INDEV_LIST        \
3091            $OUTDEV_LIST       \
3092            $PROTOCOL_LIST     \
3093            $ACODEC_TESTS      \
3094            $VCODEC_TESTS      \
3095            $LAVF_TESTS        \
3096            $LAVFI_TESTS       \
3097            $SEEK_TESTS        \
3098
3099 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3100
3101 ! enabled_any memalign posix_memalign malloc_aligned &&
3102     enabled_any $need_memalign && enable memalign_hack
3103
3104 echo "install prefix            $prefix"
3105 echo "source path               $source_path"
3106 echo "C compiler                $cc"
3107 echo "ARCH                      $arch ($cpu)"
3108 if test "$build_suffix" != ""; then
3109     echo "build suffix              $build_suffix"
3110 fi
3111 if test "$extra_version" != ""; then
3112     echo "version string suffix     $extra_version"
3113 fi
3114 echo "big-endian                ${bigendian-no}"
3115 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3116 if enabled x86; then
3117     echo "${yasmexe}                      ${yasm-no}"
3118     echo "MMX enabled               ${mmx-no}"
3119     echo "MMX2 enabled              ${mmx2-no}"
3120     echo "3DNow! enabled            ${amd3dnow-no}"
3121     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3122     echo "SSE enabled               ${sse-no}"
3123     echo "SSSE3 enabled             ${ssse3-no}"
3124     echo "AVX enabled               ${avx-no}"
3125     echo "CMOV enabled              ${cmov-no}"
3126     echo "CMOV is fast              ${fast_cmov-no}"
3127     echo "EBX available             ${ebx_available-no}"
3128     echo "EBP available             ${ebp_available-no}"
3129 fi
3130 if enabled arm; then
3131     echo "ARMv5TE enabled           ${armv5te-no}"
3132     echo "ARMv6 enabled             ${armv6-no}"
3133     echo "ARMv6T2 enabled           ${armv6t2-no}"
3134     echo "ARM VFP enabled           ${armvfp-no}"
3135     echo "IWMMXT enabled            ${iwmmxt-no}"
3136     echo "NEON enabled              ${neon-no}"
3137 fi
3138 if enabled mips; then
3139     echo "MMI enabled               ${mmi-no}"
3140 fi
3141 if enabled ppc; then
3142     echo "AltiVec enabled           ${altivec-no}"
3143     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3144     echo "dcbzl available           ${dcbzl-no}"
3145 fi
3146 if enabled sparc; then
3147     echo "VIS enabled               ${vis-no}"
3148 fi
3149 echo "debug symbols             ${debug-no}"
3150 echo "optimize for size         ${small-no}"
3151 echo "optimizations             ${optimizations-no}"
3152 echo "static                    ${static-no}"
3153 echo "shared                    ${shared-no}"
3154 echo "postprocessing support    ${postproc-no}"
3155 echo "new filter support        ${avfilter-no}"
3156 echo "network support           ${network-no}"
3157 echo "threading support         ${thread_type-no}"
3158 echo "SDL support               ${sdl-no}"
3159 echo "Sun medialib support      ${mlib-no}"
3160 echo "libdxva2 enabled          ${dxva2-no}"
3161 echo "libva enabled             ${vaapi-no}"
3162 echo "libvdpau enabled          ${vdpau-no}"
3163 echo "AVISynth enabled          ${avisynth-no}"
3164 echo "frei0r enabled            ${frei0r-no}"
3165 echo "libcdio support           ${libcdio-no}"
3166 echo "libdc1394 support         ${libdc1394-no}"
3167 echo "libdirac enabled          ${libdirac-no}"
3168 echo "libfaac enabled           ${libfaac-no}"
3169 echo "libgsm enabled            ${libgsm-no}"
3170 echo "libmp3lame enabled        ${libmp3lame-no}"
3171 echo "libnut enabled            ${libnut-no}"
3172 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3173 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3174 echo "libopencv support         ${libopencv-no}"
3175 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3176 echo "librtmp enabled           ${librtmp-no}"
3177 echo "libschroedinger enabled   ${libschroedinger-no}"
3178 echo "libspeex enabled          ${libspeex-no}"
3179 echo "libtheora enabled         ${libtheora-no}"
3180 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3181 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3182 echo "libvorbis enabled         ${libvorbis-no}"
3183 echo "libvpx enabled            ${libvpx-no}"
3184 echo "libx264 enabled           ${libx264-no}"
3185 echo "libxavs enabled           ${libxavs-no}"
3186 echo "libxvid enabled           ${libxvid-no}"
3187 echo "zlib enabled              ${zlib-no}"
3188 echo "bzlib enabled             ${bzlib-no}"
3189 echo
3190
3191 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3192     echo "Enabled ${type}s:"
3193     eval list=\$$(toupper $type)_LIST
3194     print_enabled '_*' $list | sort | pr -r -3 -t
3195     echo
3196 done
3197
3198 license="LGPL version 2.1 or later"
3199 if enabled nonfree; then
3200     license="nonfree and unredistributable"
3201 elif enabled gplv3; then
3202     license="GPL version 3 or later"
3203 elif enabled lgplv3; then
3204     license="LGPL version 3 or later"
3205 elif enabled gpl; then
3206     license="GPL version 2 or later"
3207 fi
3208
3209 echo "License: $license"
3210
3211 echo "Creating config.mak and config.h..."
3212
3213 test -e Makefile || $ln_s "$source_path/Makefile" .
3214
3215 config_files="$TMPH config.mak"
3216
3217 cat > config.mak <<EOF
3218 # Automatically generated by configure - do not modify!
3219 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3220 prefix=$prefix
3221 LIBDIR=\$(DESTDIR)$libdir
3222 SHLIBDIR=\$(DESTDIR)$shlibdir
3223 INCDIR=\$(DESTDIR)$incdir
3224 BINDIR=\$(DESTDIR)$bindir
3225 DATADIR=\$(DESTDIR)$datadir
3226 MANDIR=\$(DESTDIR)$mandir
3227 SRC_PATH=$source_path
3228 CC_IDENT=$cc_ident
3229 ARCH=$arch
3230 CC=$cc
3231 AS=$as
3232 LD=$ld
3233 DEPCC=$dep_cc
3234 YASM=$yasmexe
3235 YASMDEP=$yasmexe
3236 AR=$ar
3237 RANLIB=$ranlib
3238 LN_S=$ln_s
3239 CPPFLAGS=$CPPFLAGS
3240 CFLAGS=$CFLAGS
3241 ASFLAGS=$ASFLAGS
3242 AS_O=$CC_O
3243 CC_O=$CC_O
3244 DLLTOOL=$dlltool
3245 LDFLAGS=$LDFLAGS
3246 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3247 SHFLAGS=$SHFLAGS
3248 YASMFLAGS=$YASMFLAGS
3249 BUILDSUF=$build_suffix
3250 FULLNAME=$FULLNAME
3251 LIBPREF=$LIBPREF
3252 LIBSUF=$LIBSUF
3253 LIBNAME=$LIBNAME
3254 SLIBPREF=$SLIBPREF
3255 SLIBSUF=$SLIBSUF
3256 EXESUF=$EXESUF
3257 EXTRA_VERSION=$extra_version
3258 DEPFLAGS=$DEPFLAGS
3259 CCDEP=$CCDEP
3260 ASDEP=$ASDEP
3261 CC_DEPFLAGS=$CC_DEPFLAGS
3262 AS_DEPFLAGS=$AS_DEPFLAGS
3263 HOSTCC=$host_cc
3264 HOSTCFLAGS=$host_cflags
3265 HOSTEXESUF=$HOSTEXESUF
3266 HOSTLDFLAGS=$host_ldflags
3267 HOSTLIBS=$host_libs
3268 TARGET_EXEC=$target_exec
3269 TARGET_PATH=$target_path
3270 SDL_LIBS=$sdl_libs
3271 SDL_CFLAGS=$sdl_cflags
3272 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3273 EXTRALIBS=$extralibs
3274 INSTALL=install
3275 LIBTARGET=${LIBTARGET}
3276 SLIBNAME=${SLIBNAME}
3277 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3278 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3279 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3280 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3281 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3282 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3283 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3284 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3285 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3286 EOF
3287
3288 get_version(){
3289     name=$1
3290     file=$source_path/$2
3291     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3292     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3293     lcname=$(tolower $name)
3294     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3295     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3296 }
3297
3298 get_version LIBSWSCALE  libswscale/swscale.h
3299 get_version LIBPOSTPROC libpostproc/postprocess.h
3300 get_version LIBAVCODEC  libavcodec/version.h
3301 get_version LIBAVDEVICE libavdevice/avdevice.h
3302 get_version LIBAVFORMAT libavformat/version.h
3303 get_version LIBAVUTIL   libavutil/avutil.h
3304 get_version LIBAVFILTER libavfilter/avfilter.h
3305
3306 cat > $TMPH <<EOF
3307 /* Automatically generated by configure - do not modify! */
3308 #ifndef LIBAV_CONFIG_H
3309 #define LIBAV_CONFIG_H
3310 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3311 #define LIBAV_LICENSE "$(c_escape $license)"
3312 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3313 #define CC_TYPE "$cc_type"
3314 #define CC_VERSION $cc_version
3315 #define restrict $_restrict
3316 #define EXTERN_PREFIX "${extern_prefix}"
3317 #define EXTERN_ASM ${extern_prefix}
3318 #define SLIBSUF "$SLIBSUF"
3319 EOF
3320
3321 test -n "$malloc_prefix" &&
3322     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3323
3324 if enabled small || disabled optimizations; then
3325     echo "#undef  av_always_inline"  >> $TMPH
3326     if enabled small; then
3327         echo "#define av_always_inline inline"  >> $TMPH
3328     else
3329         echo "#define av_always_inline av_unused"  >> $TMPH
3330     fi
3331 fi
3332
3333 if enabled yasm; then
3334     append config_files $TMPASM
3335     printf '' >$TMPASM
3336 fi
3337
3338 print_config ARCH_   "$config_files" $ARCH_LIST
3339 print_config HAVE_   "$config_files" $HAVE_LIST
3340 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3341                                      $CONFIG_EXTRA      \
3342                                      $DECODER_LIST      \
3343                                      $ENCODER_LIST      \
3344                                      $HWACCEL_LIST      \
3345                                      $PARSER_LIST       \
3346                                      $BSF_LIST          \
3347                                      $DEMUXER_LIST      \
3348                                      $MUXER_LIST        \
3349                                      $FILTER_LIST       \
3350                                      $PROTOCOL_LIST     \
3351                                      $INDEV_LIST        \
3352                                      $OUTDEV_LIST       \
3353
3354 cat >>config.mak <<EOF
3355 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3356 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3357 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3358 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3359 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3360 EOF
3361
3362 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3363
3364 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3365 cp_if_changed $TMPH config.h
3366 touch .config
3367
3368 enabled yasm && cp_if_changed $TMPASM config.asm
3369
3370 cat > $TMPH <<EOF
3371 /* Generated by ffconf */
3372 #ifndef AVUTIL_AVCONFIG_H
3373 #define AVUTIL_AVCONFIG_H
3374 EOF
3375
3376 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3377
3378 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3379
3380 cp_if_changed $TMPH libavutil/avconfig.h
3381
3382 test -n "$WARNINGS" && printf "\n$WARNINGS"
3383
3384 # build pkg-config files
3385
3386 pkgconfig_generate(){
3387 name=$1
3388 shortname=${name#lib}${build_suffix}
3389 comment=$2
3390 version=$3
3391 libs=$4
3392 requires=$5
3393 enabled ${name#lib} || return 0
3394 mkdir -p $name
3395 cat <<EOF > $name/$name.pc
3396 prefix=$prefix
3397 exec_prefix=\${prefix}
3398 libdir=$libdir
3399 includedir=$incdir
3400
3401 Name: $name
3402 Description: $comment
3403 Version: $version
3404 Requires: $(enabled shared || echo $requires)
3405 Requires.private: $(enabled shared && echo $requires)
3406 Conflicts:
3407 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3408 Libs.private: $(enabled shared && echo $libs)
3409 Cflags: -I\${includedir}
3410 EOF
3411 cat <<EOF > $name/$name-uninstalled.pc
3412 prefix=
3413 exec_prefix=
3414 libdir=\${pcfiledir}
3415 includedir=${source_path}
3416
3417 Name: $name
3418 Description: $comment
3419 Version: $version
3420 Requires: $requires
3421 Conflicts:
3422 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3423 Cflags: -I\${includedir}
3424 EOF
3425 }
3426
3427 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3428 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3429 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3430 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3431 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3432 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3433 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"